procServ-2.7.0/0000755000175000017500000000000013037676076010343 500000000000000procServ-2.7.0/processFactory.cc0000644000175000017500000002332413037675771013605 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2016 // Freddie Akeroyd 2016 // GNU Public License (GPLv3) applies - see www.gnu.org #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __CYGWIN__ #include #endif /* __CYGWIN__ */ // forkpty() #ifdef HAVE_LIBUTIL_H // FreeBSD #include #endif #ifdef HAVE_UTIL_H // Mac OS X #include #endif #ifdef HAVE_PTY_H // Linux #include #endif #ifndef HAVE_FORKPTY // Solaris, use our own implementation extern "C" int forkpty(int*, char*, void*, void*); #endif #include "procServ.h" #include "processClass.h" #define LINEBUF_LENGTH 1024 static void hideWindow(); processClass * processClass::_runningItem=NULL; time_t processClass::_restartTime=0; bool processFactoryNeedsRestart() { time_t now = time(0); if ( ( autoRestart == false && processClass::_restartTime ) || processClass::_runningItem || now < processClass::_restartTime || waitForManualStart ) return false; return true; } connectionItem * processFactory(char *exe, char *argv[]) { const size_t BUFLEN = 512; char buf[BUFLEN]; time(&IOCStart); // Remember when we did this if (processFactoryNeedsRestart()) { snprintf(buf, BUFLEN, "@@@ Restarting child \"%s\"" NL, childName); SendToAll( buf, strlen(buf), 0 ); if ( strcmp( childName, argv[0] ) != 0 ) { snprintf(buf, BUFLEN, "@@@ (as %s)" NL, argv[0]); SendToAll( buf, strlen(buf), 0 ); } connectionItem *ci = new processClass(exe, argv); PRINTF("Created new child connection (processClass %p)\n", ci); return ci; } else return NULL; } processClass::~processClass() { struct tm now_tm; time_t now; size_t result; const size_t NOWLEN = 128; char now_buf[NOWLEN] = "@@@ Current time: "; const size_t BYELEN = 128; char goodbye[BYELEN]; time( &now ); localtime_r( &now, &now_tm ); result = strftime( &now_buf[strlen(now_buf)], sizeof(now_buf) - strlen(now_buf) - 1, timeFormat, &now_tm ); if (result && (sizeof(now_buf) - strlen(now_buf) > 2)) { strncat(now_buf, NL, NOWLEN-strlen(now_buf)-1); } else { strncpy(now_buf, "@@@ Current time: N/A", NOWLEN); now_buf[NOWLEN-1] = '\0'; } snprintf (goodbye, BYELEN, "@@@ Child process is shutting down, %s" NL, autoRestart ? "a new one will be restarted shortly" : "auto restart is disabled"); // Update client connect message snprintf(infoMessage2, INFO2LEN, "@@@ Child \"%s\" is SHUT DOWN" NL, childName); SendToAll( now_buf, strlen(now_buf), this ); SendToAll( goodbye, strlen(goodbye), this ); SendToAll( infoMessage3, strlen(infoMessage3), this ); // Negative PID sends signal to all members of process group if ( _pid > 0 ) kill( -_pid, SIGKILL ); terminateJob(); if ( _fd > 0 ) close( _fd ); _runningItem = NULL; } // Process class constructor // This forks and // parent: sets the minimum time for the next restart // child: sets the coresize, becomes a process group leader, // and does an execvp() with the command processClass::processClass(char *exe, char *argv[]) { _runningItem=this; struct rlimit corelimit; const size_t BUFLEN = 128; char buf[BUFLEN]; #ifdef __CYGWIN__ _hwinjob = CreateJobObject(NULL, NULL); if (_hwinjob == NULL) { fprintf(stderr, "CreateJobObject failed\n"); } // Set processes assigned to a job to automatically terminate when the job handle object is closed. // This is for additional security - we call TerminateJobObject() as well JOBOBJECT_EXTENDED_LIMIT_INFORMATION job_limits; if (QueryInformationJobObject(_hwinjob, JobObjectExtendedLimitInformation, &job_limits, sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION), NULL) != 0) { job_limits.BasicLimitInformation.LimitFlags |= JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE; if (SetInformationJobObject(_hwinjob, JobObjectExtendedLimitInformation, &job_limits, sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION)) == 0) { fprintf(stderr, "SetInformationJobObject failed\n"); } } else { fprintf(stderr, "QueryInformationJobObject failed\n"); } #endif /* __CYGWIN__ */ _pid = forkpty(&_fd, factoryName, NULL, NULL); _markedForDeletion = _pid <= 0; if (_pid) { // I am the parent if(_pid < 0) { fprintf(stderr, "Fork failed: %s\n", errno == ENOENT ? "No pty" : strerror(errno)); } else { PRINTF("Created process %ld on %s\n", (long) _pid, factoryName); } #ifdef __CYGWIN__ int winpid = cygwin_internal(CW_CYGWIN_PID_TO_WINPID, _pid); PRINTF("Created win process %ld on %s\n", (long) winpid, factoryName); HANDLE hprocess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, winpid); if (hprocess != NULL) { if (AssignProcessToJobObject(_hwinjob, hprocess) != 0) { PRINTF("Assigned win process %ld to job object\n", (long)winpid); } else { fprintf(stderr, "AssignProcessToJobObject failed\n"); } if (CloseHandle(hprocess) == 0) { fprintf(stderr, "CloseHandle(hprocess) failed\n"); } } else { fprintf(stderr, "OpenProcess failed for win process %ld\n", (long)winpid); } #endif /* __CYGWIN__ */ // Don't start a new one before this time: _restartTime = holdoffTime + time(0); // Update client connect message snprintf(infoMessage2, INFO2LEN, "@@@ Child \"%s\" PID: %ld" NL, childName, (long) _pid); snprintf(buf, BUFLEN, "@@@ The PID of new child \"%s\" is: %ld" NL, childName, (long) _pid); SendToAll( buf, strlen(buf), this ); strcpy(buf, "@@@ @@@ @@@ @@@ @@@" NL); SendToAll( buf, strlen(buf), this ); } else { // I am the child #ifdef __CYGWIN__ sleep(1); // to allow AssignProcessToJobObject() to happen - the process we spawn may spawn other processes so we want it to inherit #endif /* __CYGWIN__ */ setsid(); // Become process group leader hideWindow(); // Close console window (on Cygwin) if ( setCoreSize ) { // Set core size limit? getrlimit( RLIMIT_CORE, &corelimit ); corelimit.rlim_cur = coreSize; setrlimit( RLIMIT_CORE, &corelimit ); } if ( chDir && chdir( chDir ) ) { fprintf( stderr, "%s: child could not chdir to %s, %s\n", procservName, chDir, strerror(errno) ); } else { execvp(exe, argv); // execvp() } // This shouldn't return, but did... fprintf( stderr, "%s: child could not execute: %s, %s\n", procservName, *argv, strerror(errno) ); exit( -1 ); } } // processClass::readFromFd // Reads, checks for EOF/Error, and sends to the other connections void processClass::readFromFd(void) { char buf[1600]; int len = read(_fd, buf, sizeof(buf)-1); if (len < 0) { PRINTF("processItem: Got error reading input connection: %s\n", strerror(errno)); _markedForDeletion = true; } else if (len == 0) { PRINTF("processItem: Got EOF reading input connection\n"); _markedForDeletion = true; } else { buf[len]='\0'; SendToAll(&buf[0], len, this); } } // Sanitize buffer, then send characters to child int processClass::Send( const char * buf, int count ) { int status = 0; int i, j, ign = 0; char buf3[LINEBUF_LENGTH+1]; char *buf2 = buf3; // Create working copy of buffer if ( count > LINEBUF_LENGTH ) buf2 = (char*) calloc (count + 1, 1); buf2[0] = '\0'; if ( ignChars ) { // Throw out ignored chars for ( i = j = 0; i < count; i++ ) { if ( index( ignChars, (int) buf[i] ) == NULL ) { buf2[j++] = buf[i]; } else ign++; } } else { // Plain buffer copy strncpy (buf2, buf, count); } buf2[count - ign] = '\0'; if ( count > 0 ) { status = write( _fd, buf2, count - ign ); if ( status < 0 ) _markedForDeletion = true; } if ( count > LINEBUF_LENGTH ) free( buf2 ); return status; } // The telnet state machine can call this to blast a running // client IOC void processFactorySendSignal(int signal) { if (processClass::_runningItem) { PRINTF("Sending signal %d to pid %ld\n", signal, (long) processClass::_runningItem->_pid); kill(-processClass::_runningItem->_pid, signal); if (signal == killSig) processClass::_runningItem->terminateJob(); } } void processClass::restartOnce () { _restartTime = 0; } void processClass::terminateJob() { #ifdef __CYGWIN__ if (_hwinjob != NULL) { if (TerminateJobObject(_hwinjob, 1) == 0) { fprintf(stderr, "TerminateJobObject failed\n"); } if (CloseHandle(_hwinjob) == 0) { fprintf(stderr, "CloseHandle(_hwinjob) failed\n"); } _hwinjob = NULL; } #endif /* __CYGWIN__ */ } static void hideWindow() { #ifdef __CYGWIN__ HWND conwin = GetConsoleWindow(); if ( conwin != NULL ) { ShowWindowAsync(conwin, SW_HIDE); } #endif } procServ-2.7.0/Makefile.am0000644000175000017500000000220713037675771012321 00000000000000# Process Server (for soft IOCs) # Ralph Lange 04/16/2012 # GNU Public License (GPLv3) applies - see www.gnu.org bin_PROGRAMS = procServ procServ_SOURCES = procServ.cc procServ.h \ connectionItem.cc acceptFactory.cc clientFactory.cc \ processFactory.cc processClass.h \ procServ.txt LDADD = $(LIBOBJS) DISTCLEANFILES = *~ *.orig procServ.xml docbook-xsl.css pid.txt procServ.map MAINTAINERCLEANFILES = procServ.pdf procServ.html procServ.1 doc_DATA = AUTHORS COPYING ChangeLog NEWS README.md procServ.txt if INSTALL_DOC dist_man1_MANS = procServ.1 doc_DATA += procServ.pdf procServ.html EXTRA_DIST = $(doc_DATA) Makefile.Epics.in forkpty.c libtelnet.c libtelnet.h endif # INSTALL_DOC if BUILD_DOC A2X_FLAGS = -a revdate=@PACKAGE_DATE@ -a revnumber=@PACKAGE_VERSION@ -D ${builddir} procServ.1: $(srcdir)/procServ.txt $(A2X) $(A2X_FLAGS) -f manpage $(srcdir)/procServ.txt procServ.pdf: $(srcdir)/procServ.txt $(A2X) $(A2X_FLAGS) -f pdf $(srcdir)/procServ.txt procServ.html: $(srcdir)/procServ.txt $(A2X) $(A2X_FLAGS) -f xhtml $(srcdir)/procServ.txt endif # BUILD_DOC procServ-2.7.0/forkpty.c0000644000175000017500000000223613037675771012131 00000000000000/* Process server for soft ioc // Ralph Lange 03/25/2010 * GNU Public License (GPLv3) applies - see www.gnu.org */ #include #include #include #include #include int forkpty(int* fdm, char* name, void* x1, void* x2) { /* From the Solaris manpage for pts(7D) */ int ptm, pts; pid_t pid; char* c; ptm = open("/dev/ptmx", O_RDWR); /* open master */ grantpt(ptm); /* change permission of slave */ unlockpt(ptm); /* unlock slave */ c = ptsname(ptm); /* get name of slave */ if (c) strcpy(name, c); pts = open(name, O_RDWR); /* open slave */ ioctl(pts, I_PUSH, "ptem"); /* push ptem */ ioctl(pts, I_PUSH, "ldterm"); /* push ldterm */ /* From forums.sun.com */ pid = fork(); if (!pid) { /* child */ close(ptm); dup2(pts, 0); /* connect to slave fd */ dup2(pts, 1); dup2(pts, 2); } else { *fdm = ptm; /* return fd to parent */ } close(pts); return pid; } procServ-2.7.0/procServ.html0000644000175000017500000005757513037676076012777 00000000000000 PROCSERV(1)

PROCSERV(1)

Revision History
Revision 2.7.001/18/2017

Table of Contents

1. NAME
2. SYNOPSIS
3. DESCRIPTION
4. ENDPOINT SPECIFICATION
5. OPTIONS
6. USAGE
7. ENVIRONMENT VARIABLES
8. KNOWN PROBLEMS
9. REPORTING BUGS
10. AUTHORS
11. RESOURCES
12. COPYING

1. NAME

procServ - Process Server with Telnet Console and Log Access

2. SYNOPSIS

procServ [OPTIONS] -P endpoint… command args…

procServ [OPTIONS] endpoint command args…

3. DESCRIPTION

procServ(1) creates a run time environment for a command (e.g. a soft IOC). It forks a server run as a daemon into the background, which creates a child process running command with all remaining args from the command line. The server provides control access (stdin/stdout) to the child process console by offering a telnet connection at the specified endpoint(s).

An endpoint can either be a TCP server socket (specified by the port number) or a UNIX domain socket (where available). See ENDPOINT SPECIFICATION below for details. For security reasons, control access is restricted to connections from localhost (127.0.0.1), so that a prior login in to the host machine is required. (See --allow option.)

The first variant allows multiple endpoint declarations and treats all non-option arguments as the command line for the child process. The second variant (provided for backward compatibility) declares one endpoint with its specification taken from the first non-option argument.

procServ can be configured to write a console log of all in- and output of the child process into a file using the -L (--logfile) option. Sending the signal SIGHUP to the server will make it reopen the log file.

To facilitate running under a central console access management (like conserver), the -l (--logport) option creates an additional endpoint, which is by default public (i.e. TCP access is not restricted to connections from localhost), and provides read-only (log) access to the child’s console. The -r (--restrict) option restricts both control and log access to connections from localhost.

Both control and log endpoints allow multiple connections, which are handled transparently: all input from control connections is forwarded to the child process, all output from the child is forwarded to all control and log connections (and written to the log file). All diagnostic messages from the procServ server process start with "@@@" to be clearly distinguishable from child process messages. A name specified by the -n (--name) option will replace the command string in many messages for increased readability.

The server will by default automatically respawn the child process when it dies. To avoid spinning, a minimum time between child process restarts is honored (default: 15 seconds, can be changed using the --holdoff option). This behavior can be toggled online using the toggle command ^T, the default may be changed using the --noautorestart option. You can restart a running child manually by sending a signal to the child process using the kill command ^X. With the child process being shut down, the server accepts two commands: ^R or ^X to restart the child, and ^Q to quit the server. The -w (--wait) option starts the server in this shut down mode, waiting for a control connection to issue a manual start command to spawn the child.

Any connection (control or log) can be disconnected using the client’s disconnect sequence. Control connections can also be disconnected by sending the logout command character that can be specified using the -x (--logoutcmd) option.

To block input characters that are potentially dangerous to the child (e.g. ^D and ^C on soft IOCs), the -i (--ignore) option can be used to specify characters that are silently ignored when coming from a control connection.

To facilitate being started and stopped as a standard system service, the -p (--pidfile) option tells the server to create a PID file containing the PID of the server process. The -I (--info-file) option writes a file listing the server PID and a list of all endpoints.

The -d (--debug) option runs the server in debug mode: the daemon process stays in the foreground, printing all regular log content plus additional debug messages to stdout.

4. ENDPOINT SPECIFICATION

Both control and log endpoints may be bound to either TCP or UNIX sockets (where supported). Allowed endpoint specifications are:

<port>
Bind to either 0.0.0.0:<port> (any) or 127.0.0.1:<port> (localhost) depending on the type of endpoint and the setting of -r (--restrict) and --allow options.
<ifaceaddr>:<port>
Bind to the specified interface address and <port>. The interface IP address <ifaceaddr> must be given in numeric form. Uses 127.0.0.1 (localhost) for security reasons unless the --allow option is also used.
unix:</path/to/socket>
Bind to a named unix domain socket that will be created at the specified absolute or relative path. The server process must have permission to create files in the enclosing directory. The socket file will be owned by the uid and primary gid of the procServ server process with permissions 0666 (equivalent to a TCP socket bound to localhost).
unix:<user>:<group>:<perm>:</path/to/socket>
Bind to a named unix domain socket that will be created at the specified absolute or relative path. The server process must have permission to create files in the enclosing directory. The socket file will be owned by the specified <user> and <group> with <perm> permissions. Any of <user>, <group>, and/or <perm> may be omitted. E.g. "-P unix::grp:0660:/run/procServ/foo/control" will create the named socket with 0660 permissions and allow the "grp" group connect to it. This requires that procServ be run as root or a member of "grp".
unix:@</path/to/socket>
Bind to an abstract unix domain socket (Linux specific). Abstract sockets do not exist on the filesystem, and have no permissions checks. They are functionally similar to a TCP socket bound to localhost, but identified with a name string instead of a port number.

5. OPTIONS

--allow
Allow TCP control connections from anywhere. (Default: restrict control access to connections from localhost.) Creates a serious security hole, as telnet clients from anywhere can connect to the child’s stdin/stdout and might execute arbitrary commands on the host if the child permits. Needs to be enabled at compile-time (see Makefile). Please do not enable and use this option unless you exactly know why and what you are doing.
--autorestartcmd=char
Toggle auto restart flag when char is sent on a control connection. Use ^ to specify a control character, "" to disable. Default is ^T.
--coresize=size
Set the maximum size of core file. See getrlimit(2) documentation for details. Setting size to 0 will keep child from creating core files.
-c, --chdir=dir
Change directory to dir before starting the child. This is done each time the child is started to make sure symbolic links are properly resolved on child restart.
-d, --debug
Enter debug mode. Debug mode will keep the server process in the foreground and enables diagnostic messages that will be sent to the controlling terminal.
-e, --exec=file
Run file as executable for child. Default is command.
-f, --foreground
Keep the server process in the foreground and connected to the controlling terminal.
-h, --help
Print help message.
--holdoff=n
Wait at least n seconds between child restart attempts. (Default is 15 seconds.)
-i, --ignore=chars
Ignore all characters in chars on control connections. This can be used to shield the child process from input characters that are potentially dangerous, e.g. ^D and ^C characters that would shut down a soft IOC. Use ^ to specify control characters, ^^ to specify a single ^ character.
*-I, --info-file <file>
Write instance information to this file.
-k, --killcmd=char
Kill the child process (child will be restarted automatically by default) when char is sent on a control connection. Use ^ to specify a control character, "" for no kill command. Default is ^X.
--killsig=signal
Kill the child using signal when receiving the kill command. Default is 9 (SIGKILL).
-l, --logport=endpoint
Provide read-only log access to the child’s console on endpoint. See ENDPOINT SPECIFICATION above. By default, TCP log endpoints allow connections from anywhere. Use the -r (--restrict) option to restrict TCP access to local connections.
-L, --logfile=file
Write a console log of all in and output to file. - selects stdout.
--logstamp[=fmt]
Prefix lines in logs with a time stamp, setting the time stamp format string to fmt. Default is "[<timefmt>] ". (See --timefmt option.)
-n, --name=title
In all server messages, use title instead of the full command line to increase readability.
--noautorestart
Do not automatically restart child process on exit.
-P, --port=endpoint
Provide control access to the child’s console on endpoint. See ENDPOINT SPECIFICATION above. By default, TCP control endpoints are restricted to local connections. Use the --allow option to allow TCP access from anywhere.
-p, --pidfile=file
Write the PID of the server process into file.
--timefmt=fmt
Set the format string used to print time stamps to fmt. Default is "%c". (See strftime(3) documentation for details.)
-q, --quiet
Do not write informational output (server). Avoids cluttering the screen when run as part of a system script.
--restrict
Restrict TCP access (control and log) to connections from localhost.
-V, --version
Print program version.
-w, --wait
Do not start the child immediately. Instead, wait for a control connection and a manual start command.
-x, --logoutcmd=char
Log out (close client connection) when char is sent on an control connection. Use ^ to specify a control character. Default is empty.

6. USAGE

To start a soft IOC using procServ, change the directory into the IOC’s boot directory. A typical command line would be

    procServ -n "My SoftIOC" -i ^D^C 20000 ./st.cmd

To connect to the IOC, log into the soft IOC’s host and connect to port 20000 using

    telnet localhost 20000

To connect from a remote machine, ssh to a user account on procservhost and connect to port 20000 using

    ssh -t user@procservhost telnet localhost 20000

You will be connected to the soft IOCs console and receive an informative welcome message. All output from the procServ server will start with "@@@" to allow telling it apart from messages that your IOC sends.

    > telnet localhost 20000
    Trying 127.0.0.1...
    Connected to localhost.
    Escape character is '^]'.
    @@@ Welcome to the procServ process server (procServ Version 2.1.0)
    @@@ Use ^X to kill the child, auto restart is ON, use ^T to toggle auto restart
    @@@ procServ server PID: 21413
    @@@ Startup directory: /projects/ctl/lange/epics/ioc/test314/iocBoot/iocexample
    @@@ Child "My SoftIOC" started as: ./st.cmd
    @@@ Child "My SoftIOC" PID: 21414
    @@@ procServ server started at: Fri Apr 25 16:43:00 2008
    @@@ Child "My SoftIOC" started at: Fri Apr 25 16:43:00 2008
    @@@ 0 user(s) and 0 logger(s) connected (plus you)

Type the kill command character ^X to reboot the soft IOC and get server messages about this action.

Type the telnet escape character ^] to get back to a telnet prompt then "quit" to exit telnet (and ssh when you were connecting remotely).

Though procServ was originally intended to be an environment to run soft IOCs, an arbitrary process might be started as child. It provides an environment for any program that requires access to its console, while running in the background as a daemon, and keeping a log by writing a file or through a console access and logging facility (such as conserver).

7. ENVIRONMENT VARIABLES

PROCSERV_PID
Sets the file name to write the PID of the server process into. (See -p option.)
PROCSERV_DEBUG
If set, procServ starts in debug mode. (See -d option.)

8. KNOWN PROBLEMS

None so far.

9. REPORTING BUGS

Please report bugs using the issue tracker at https://github.com/ralphlange/procServ/issues.

10. AUTHORS

Originally written by David H. Thompson (ORNL). Current author: Ralph Lange <ralph.lange@gmx.de>.

11. RESOURCES

GitHub project: https://github.com/ralphlange/procServ

12. COPYING

All copyrights reserved. Free use of this software is granted under the terms of the GNU General Public License (GPLv3).

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It includes * routines for parsing incoming data from a remote peer as well as formatting * data to send to the remote peer. * * libtelnet uses a callback-oriented API, allowing application-specific * handling of various events. The callback system is also used for buffering * outgoing protocol data, allowing the application to maintain control over * the actual socket connection. * * Features supported include the full TELNET protocol, Q-method option * negotiation, ZMP, MCCP2, MSSP, and NEW-ENVIRON. * * CONFORMS TO: * * RFC854 - http://www.faqs.org/rfcs/rfc854.html * RFC855 - http://www.faqs.org/rfcs/rfc855.html * RFC1091 - http://www.faqs.org/rfcs/rfc1091.html * RFC1143 - http://www.faqs.org/rfcs/rfc1143.html * RFC1408 - http://www.faqs.org/rfcs/rfc1408.html * RFC1572 - http://www.faqs.org/rfcs/rfc1572.html * * LICENSE: * * The author or authors of this code dedicate any and all copyright interest * in this code to the public domain. We make this dedication for the benefit * of the public at large and to the detriment of our heirs and successors. We * intend this dedication to be an overt act of relinquishment in perpetuity of * all present and future rights to this code under copyright law. * * \file libtelnet.h * * \version 0.20 * * \author Sean Middleditch */ #if !defined(LIBTELNET_INCLUDE) #define LIBTELNET_INCLUDE 1 /* standard C headers necessary for the libtelnet API */ #include /* C++ support */ #if defined(__cplusplus) extern "C" { #endif /* printf type checking feature in GCC and some other compilers */ #if __GNUC__ # define TELNET_GNU_PRINTF(f,a) __attribute__((format(printf, f, a))) /*!< internal helper */ # define TELNET_GNU_SENTINEL __attribute__((sentinel)) /*!< internal helper */ #else # define TELNET_GNU_PRINTF(f,a) /*!< internal helper */ # define TELNET_GNU_SENTINEL /*!< internal helper */ #endif /*! Telnet state tracker object type. */ typedef struct telnet_t telnet_t; /*! Telnet event object type. */ typedef union telnet_event_t telnet_event_t; /*! Telnet option table element type. */ typedef struct telnet_telopt_t telnet_telopt_t; /*! \name Telnet commands */ /*@{*/ /*! Telnet commands and special values. */ #define TELNET_IAC 255 #define TELNET_DONT 254 #define TELNET_DO 253 #define TELNET_WONT 252 #define TELNET_WILL 251 #define TELNET_SB 250 #define TELNET_GA 249 #define TELNET_EL 248 #define TELNET_EC 247 #define TELNET_AYT 246 #define TELNET_AO 245 #define TELNET_IP 244 #define TELNET_BREAK 243 #define TELNET_DM 242 #define TELNET_NOP 241 #define TELNET_SE 240 #define TELNET_EOR 239 #define TELNET_ABORT 238 #define TELNET_SUSP 237 #define TELNET_EOF 236 /*@}*/ /*! \name Telnet option values. */ /*@{*/ /*! Telnet options. */ #define TELNET_TELOPT_BINARY 0 #define TELNET_TELOPT_ECHO 1 #define TELNET_TELOPT_RCP 2 #define TELNET_TELOPT_SGA 3 #define TELNET_TELOPT_NAMS 4 #define TELNET_TELOPT_STATUS 5 #define TELNET_TELOPT_TM 6 #define TELNET_TELOPT_RCTE 7 #define TELNET_TELOPT_NAOL 8 #define TELNET_TELOPT_NAOP 9 #define TELNET_TELOPT_NAOCRD 10 #define TELNET_TELOPT_NAOHTS 11 #define TELNET_TELOPT_NAOHTD 12 #define TELNET_TELOPT_NAOFFD 13 #define TELNET_TELOPT_NAOVTS 14 #define TELNET_TELOPT_NAOVTD 15 #define TELNET_TELOPT_NAOLFD 16 #define TELNET_TELOPT_XASCII 17 #define TELNET_TELOPT_LOGOUT 18 #define TELNET_TELOPT_BM 19 #define TELNET_TELOPT_DET 20 #define TELNET_TELOPT_SUPDUP 21 #define TELNET_TELOPT_SUPDUPOUTPUT 22 #define TELNET_TELOPT_SNDLOC 23 #define TELNET_TELOPT_TTYPE 24 #define TELNET_TELOPT_EOR 25 #define TELNET_TELOPT_TUID 26 #define TELNET_TELOPT_OUTMRK 27 #define TELNET_TELOPT_TTYLOC 28 #define TELNET_TELOPT_3270REGIME 29 #define TELNET_TELOPT_X3PAD 30 #define TELNET_TELOPT_NAWS 31 #define TELNET_TELOPT_TSPEED 32 #define TELNET_TELOPT_LFLOW 33 #define TELNET_TELOPT_LINEMODE 34 #define TELNET_TELOPT_XDISPLOC 35 #define TELNET_TELOPT_ENVIRON 36 #define TELNET_TELOPT_AUTHENTICATION 37 #define TELNET_TELOPT_ENCRYPT 38 #define TELNET_TELOPT_NEW_ENVIRON 39 #define TELNET_TELOPT_MSSP 70 #define TELNET_TELOPT_COMPRESS2 86 #define TELNET_TELOPT_ZMP 93 #define TELNET_TELOPT_EXOPL 255 #define TELNET_TELOPT_MCCP2 86 /*@}*/ /*! \name Protocol codes for TERMINAL-TYPE commands. */ /*@{*/ /*! TERMINAL-TYPE codes. */ #define TELNET_TTYPE_IS 0 #define TELNET_TTYPE_SEND 1 /*@}*/ /*! \name Protocol codes for NEW-ENVIRON/ENVIRON commands. */ /*@{*/ /*! NEW-ENVIRON/ENVIRON codes. */ #define TELNET_ENVIRON_IS 0 #define TELNET_ENVIRON_SEND 1 #define TELNET_ENVIRON_INFO 2 #define TELNET_ENVIRON_VAR 0 #define TELNET_ENVIRON_VALUE 1 #define TELNET_ENVIRON_ESC 2 #define TELNET_ENVIRON_USERVAR 3 /*@}*/ /*! \name Protocol codes for MSSP commands. */ /*@{*/ /*! MSSP codes. */ #define TELNET_MSSP_VAR 1 #define TELNET_MSSP_VAL 2 /*@}*/ /*! \name Telnet state tracker flags. */ /*@{*/ /*! Control behavior of telnet state tracker. */ #define TELNET_FLAG_PROXY (1<<0) #define TELNET_PFLAG_DEFLATE (1<<7) /*@}*/ /*! * error codes */ enum telnet_error_t { TELNET_EOK = 0, /*!< no error */ TELNET_EBADVAL, /*!< invalid parameter, or API misuse */ TELNET_ENOMEM, /*!< memory allocation failure */ TELNET_EOVERFLOW, /*!< data exceeds buffer size */ TELNET_EPROTOCOL, /*!< invalid sequence of special bytes */ TELNET_ECOMPRESS /*!< error handling compressed streams */ }; typedef enum telnet_error_t telnet_error_t; /*!< Error code type. */ /*! * event codes */ enum telnet_event_type_t { TELNET_EV_DATA = 0, /*!< raw text data has been received */ TELNET_EV_SEND, /*!< data needs to be sent to the peer */ TELNET_EV_IAC, /*!< generic IAC code received */ TELNET_EV_WILL, /*!< WILL option negotiation received */ TELNET_EV_WONT, /*!< WONT option neogitation received */ TELNET_EV_DO, /*!< DO option negotiation received */ TELNET_EV_DONT, /*!< DONT option negotiation received */ TELNET_EV_SUBNEGOTIATION, /*!< sub-negotiation data received */ TELNET_EV_COMPRESS, /*!< compression has been enabled */ TELNET_EV_ZMP, /*!< ZMP command has been received */ TELNET_EV_TTYPE, /*!< TTYPE command has been received */ TELNET_EV_ENVIRON, /*!< ENVIRON command has been received */ TELNET_EV_MSSP, /*!< MSSP command has been received */ TELNET_EV_WARNING, /*!< recoverable error has occured */ TELNET_EV_ERROR /*!< non-recoverable error has occured */ }; typedef enum telnet_event_type_t telnet_event_type_t; /*!< Telnet event type. */ /*! * environ/MSSP command information */ struct telnet_environ_t { unsigned char type; /*!< either TELNET_ENVIRON_VAR or TELNET_ENVIRON_USERVAR */ char *var; /*!< name of the variable being set */ char *value; /*!< value of variable being set; empty string if no value */ }; /*! * event information */ union telnet_event_t { /*! * \brief Event type * * The type field will determine which of the other event structure fields * have been filled in. For instance, if the event type is TELNET_EV_ZMP, * then the zmp event field (and ONLY the zmp event field) will be filled * in. */ enum telnet_event_type_t type; /*! * data event: for DATA and SEND events */ struct data_t { enum telnet_event_type_t _type; /*!< alias for type */ const char *buffer; /*!< byte buffer */ size_t size; /*!< number of bytes in buffer */ } data; /*! * WARNING and ERROR events */ struct error_t { enum telnet_event_type_t _type; /*!< alias for type */ const char *file; /*!< file the error occured in */ const char *func; /*!< function the error occured in */ const char *msg; /*!< error message string */ int line; /*!< line of file error occured on */ telnet_error_t errcode; /*!< error code */ } error; /*! * command event: for IAC */ struct iac_t { enum telnet_event_type_t _type; /*!< alias for type */ unsigned char cmd; /*!< telnet command received */ } iac; /*! * negotiation event: WILL, WONT, DO, DONT */ struct negotiate_t { enum telnet_event_type_t _type; /*!< alias for type */ unsigned char telopt; /*!< option being negotiated */ } neg; /*! * subnegotiation event */ struct subnegotiate_t { enum telnet_event_type_t _type; /*!< alias for type */ const char *buffer; /*!< data of sub-negotiation */ size_t size; /*!< number of bytes in buffer */ unsigned char telopt; /*!< option code for negotiation */ } sub; /*! * ZMP event */ struct zmp_t { enum telnet_event_type_t _type; /*!< alias for type */ const char **argv; /*!< array of argument string */ size_t argc; /*!< number of elements in argv */ } zmp; /*! * TTYPE event */ struct ttype_t { enum telnet_event_type_t _type; /*!< alias for type */ unsigned char cmd; /*!< TELNET_TTYPE_IS or TELNET_TTYPE_SEND */ const char* name; /*!< terminal type name (IS only) */ } ttype; /*! * COMPRESS event */ struct compress_t { enum telnet_event_type_t _type; /*!< alias for type */ unsigned char state; /*!< 1 if compression is enabled, 0 if disabled */ } compress; /*! * ENVIRON/NEW-ENVIRON event */ struct environ_t { enum telnet_event_type_t _type; /*!< alias for type */ const struct telnet_environ_t *values; /*!< array of variable values */ size_t size; /*!< number of elements in values */ unsigned char cmd; /*!< SEND, IS, or INFO */ } environ; /*! * MSSP event */ struct mssp_t { enum telnet_event_type_t _type; /*!< alias for type */ const struct telnet_environ_t *values; /*!< array of variable values */ size_t size; /*!< number of elements in values */ } mssp; }; /*! * \brief event handler * * This is the type of function that must be passed to * telnet_init() when creating a new telnet object. The * function will be invoked once for every event generated * by the libtelnet protocol parser. * * \param telnet The telnet object that generated the event * \param event Event structure with details about the event * \param user_data User-supplied pointer */ typedef void (*telnet_event_handler_t)(telnet_t *telnet, telnet_event_t *event, void *user_data); /*! * telopt support table element; use telopt of -1 for end marker */ struct telnet_telopt_t { short telopt; /*!< one of the TELOPT codes or -1 */ unsigned char us; /*!< TELNET_WILL or TELNET_WONT */ unsigned char him; /*!< TELNET_DO or TELNET_DONT */ }; /*! * state tracker -- private data structure */ struct telnet_t; /*! * \brief Initialize a telnet state tracker. * * This function initializes a new state tracker, which is used for all * other libtelnet functions. Each connection must have its own * telnet state tracker object. * * \param telopts Table of TELNET options the application supports. * \param eh Event handler function called for every event. * \param flags 0 or TELNET_FLAG_PROXY. * \param user_data Optional data pointer that will be passsed to eh. * \return Telent state tracker object. */ extern telnet_t* telnet_init(const telnet_telopt_t *telopts, telnet_event_handler_t eh, unsigned char flags, void *user_data); /*! * \brief Free up any memory allocated by a state tracker. * * This function must be called when a telnet state tracker is no * longer needed (such as after the connection has been closed) to * release any memory resources used by the state tracker. * * \param telnet Telnet state tracker object. */ extern void telnet_free(telnet_t *telnet); /*! * \brief Push a byte buffer into the state tracker. * * Passes one or more bytes to the telnet state tracker for * protocol parsing. The byte buffer is most often going to be * the buffer that recv() was called for while handling the * connection. * * \param telnet Telnet state tracker object. * \param buffer Pointer to byte buffer. * \param size Number of bytes pointed to by buffer. */ extern void telnet_recv(telnet_t *telnet, const char *buffer, size_t size); /*! * \brief Send a telnet command. * * \param telnet Telnet state tracker object. * \param cmd Command to send. */ extern void telnet_iac(telnet_t *telnet, unsigned char cmd); /*! * \brief Send negotiation command. * * Internally, libtelnet uses RFC1143 option negotiation rules. * The negotiation commands sent with this function may be ignored * if they are determined to be redundant. * * \param telnet Telnet state tracker object. * \param cmd TELNET_WILL, TELNET_WONT, TELNET_DO, or TELNET_DONT. * \param opt One of the TELNET_TELOPT_* values. */ extern void telnet_negotiate(telnet_t *telnet, unsigned char cmd, unsigned char opt); /*! * Send non-command data (escapes IAC bytes). * * \param telnet Telnet state tracker object. * \param buffer Buffer of bytes to send. * \param size Number of bytes to send. */ extern void telnet_send(telnet_t *telnet, const char *buffer, size_t size); /*! * \brief Begin a sub-negotiation command. * * Sends IAC SB followed by the telopt code. All following data sent * will be part of the sub-negotiation, until telnet_finish_sb() is * called. * * \param telnet Telnet state tracker object. * \param telopt One of the TELNET_TELOPT_* values. */ extern void telnet_begin_sb(telnet_t *telnet, unsigned char telopt); /*! * \brief Finish a sub-negotiation command. * * This must be called after a call to telnet_begin_sb() to finish a * sub-negotiation command. * * \param telnet Telnet state tracker object. */ #define telnet_finish_sb(telnet) telnet_iac((telnet), TELNET_SE) /*! * \brief Shortcut for sending a complete subnegotiation buffer. * * Equivalent to: * telnet_begin_sb(telnet, telopt); * telnet_send(telnet, buffer, size); * telnet_finish_sb(telnet); * * \param telnet Telnet state tracker format. * \param telopt One of the TELNET_TELOPT_* values. * \param buffer Byte buffer for sub-negotiation data. * \param size Number of bytes to use for sub-negotiation data. */ extern void telnet_subnegotiation(telnet_t *telnet, unsigned char telopt, const char *buffer, size_t size); /*! * \brief Begin sending compressed data. * * This function will begein sending data using the COMPRESS2 option, * which enables the use of zlib to compress data sent to the client. * The client must offer support for COMPRESS2 with option negotiation, * and zlib support must be compiled into libtelnet. * * Only the server may call this command. * * \param telnet Telnet state tracker object. */ extern void telnet_begin_compress2(telnet_t *telnet); /*! * \brief Send formatted data. * * This function is a wrapper around telnet_send(). It allows using * printf-style formatting. * * Additionally, this function will translate \\r to the CR NUL construct and * \\n with CR LF, as well as automatically escaping IAC bytes like * telnet_send(). * * \param telnet Telnet state tracker object. * \param fmt Format string. * \return Number of bytes sent. */ extern int telnet_printf(telnet_t *telnet, const char *fmt, ...) TELNET_GNU_PRINTF(2, 3); /*! * \brief Send formatted data. * * See telnet_printf(). */ extern int telnet_vprintf(telnet_t *telnet, const char *fmt, va_list va); /*! * \brief Send formatted data (no newline escaping). * * This behaves identically to telnet_printf(), except that the \\r and \\n * characters are not translated. The IAC byte is still escaped as normal * with telnet_send(). * * \param telnet Telnet state tracker object. * \param fmt Format string. * \return Number of bytes sent. */ extern int telnet_raw_printf(telnet_t *telnet, const char *fmt, ...) TELNET_GNU_PRINTF(2, 3); /*! * \brief Send formatted data (no newline escaping). * * See telnet_raw_printf(). */ extern int telnet_raw_vprintf(telnet_t *telnet, const char *fmt, va_list va); /*! * \brief Begin a new set of NEW-ENVIRON values to request or send. * * This function will begin the sub-negotiation block for sending or * requesting NEW-ENVIRON values. * * The telnet_finish_newenviron() macro must be called after this * function to terminate the NEW-ENVIRON command. * * \param telnet Telnet state tracker object. * \param type One of TELNET_ENVIRON_SEND, TELNET_ENVIRON_IS, or * TELNET_ENVIRON_INFO. */ extern void telnet_begin_newenviron(telnet_t *telnet, unsigned char type); /*! * \brief Send a NEW-ENVIRON variable name or value. * * This can only be called between calls to telnet_begin_newenviron() and * telnet_finish_newenviron(). * * \param telnet Telnet state tracker object. * \param type One of TELNET_ENVIRON_VAR, TELNET_ENVIRON_USERVAR, or * TELNET_ENVIRON_VALUE. * \param string Variable name or value. */ extern void telnet_newenviron_value(telnet_t* telnet, unsigned char type, const char *string); /*! * \brief Finish a NEW-ENVIRON command. * * This must be called after a call to telnet_begin_newenviron() to finish a * NEW-ENVIRON variable list. * * \param telnet Telnet state tracker object. */ #define telnet_finish_newenviron(telnet) telnet_finish_sb((telnet)) /*! * \brief Send the TERMINAL-TYPE SEND command. * * Sends the sequence IAC TERMINAL-TYPE SEND. * * \param telnet Telnet state tracker object. */ extern void telnet_ttype_send(telnet_t *telnet); /*! * \brief Send the TERMINAL-TYPE IS command. * * Sends the sequence IAC TERMINAL-TYPE IS "string". * * According to the RFC, the recipient of a TERMINAL-TYPE SEND shall * send the next possible terminal-type the client supports. Upon sending * the type, the client should switch modes to begin acting as the terminal * type is just sent. * * The server may continue sending TERMINAL-TYPE IS until it receives a * terminal type is understands. To indicate to the server that it has * reached the end of the available optoins, the client must send the last * terminal type a second time. When the server receives the same terminal * type twice in a row, it knows it has seen all available terminal types. * * After the last terminal type is sent, if the client receives another * TERMINAL-TYPE SEND command, it must begin enumerating the available * terminal types from the very beginning. This allows the server to * scan the available types for a preferred terminal type and, if none * is found, to then ask the client to switch to an acceptable * alternative. * * Note that if the client only supports a single terminal type, then * simply sending that one type in response to every SEND will satisfy * the behavior requirements. * * \param telnet Telnet state tracker object. * \param ttype Name of the terminal-type being sent. */ extern void telnet_ttype_is(telnet_t *telnet, const char* ttype); /*! * \brief Send a ZMP command. * * \param telnet Telnet state tracker object. * \param argc Number of ZMP commands being sent. * \param argv Array of argument strings. */ extern void telnet_send_zmp(telnet_t *telnet, size_t argc, const char **argv); /*! * \brief Send a ZMP command. * * Arguments are listed out in var-args style. After the last argument, a * NULL pointer must be passed in as a sentinel value. * * \param telnet Telnet state tracker object. */ extern void telnet_send_zmpv(telnet_t *telnet, ...) TELNET_GNU_SENTINEL; /*! * \brief Send a ZMP command. * * See telnet_send_zmpv(). */ extern void telnet_send_vzmpv(telnet_t *telnet, va_list va); /*! * \brief Begin sending a ZMP command * * \param telnet Telnet state tracker object. * \param cmd The first argument (command name) for the ZMP command. */ extern void telnet_begin_zmp(telnet_t *telnet, const char *cmd); /*! * \brief Send a ZMP command argument. * * \param telnet Telnet state tracker object. * \param arg Telnet argument string. */ extern void telnet_zmp_arg(telnet_t *telnet, const char *arg); /*! * \brief Finish a ZMP command. * * This must be called after a call to telnet_begin_zmp() to finish a * ZMP argument list. * * \param telnet Telnet state tracker object. */ #define telnet_finish_zmp(telnet) telnet_finish_sb((telnet)) /* C++ support */ #if defined(__cplusplus) } /* extern "C" */ #endif #endif /* !defined(LIBTELNET_INCLUDE) */ procServ-2.7.0/INSTALL0000644000175000017500000002245013037675771011320 00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. 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Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. 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Vx] k-lo^S+#um&`]\h nm͐;Lj6xb=rW}@=A<p]3L 6Þw)G=r r'7BP]g6bNu c2ddạ$eE Z#ӽZo't"#Jdؖ(舀 jH3{a[jۅ< t[A- -K P+6xl[վ]{ nX 6Á]GhK&=#x |*䷣Y^u׮a67mz_}:e# ] /Length 418 /Filter /FlateDecode >> stream x7OA`0l0L9s@H @BC7 7۽ DQhh=X J)H%PI */NtȀLȂlȁ0BD  TB/(2YjX5؀-GWA=UꋫXA4Ŀ|I#,$TZ ڡ: zaaaFa a&af9dK*w~eXu؄m]?S/)O2A:sJ kkNe ܽ h1aM4(Θ:cꌩ3Θ: wF*1Oy*՞"*߯U~j="Nc"3j4hPFC 5j4hP6ToivH endstream endobj startxref 105502 %%EOF procServ-2.7.0/procServ.txt0000644000175000017500000003221413037675771012632 00000000000000:man source: procServ :man version: {revnumber} :man manual: procServ Manual PROCSERV(1) =========== NAME ---- procServ - Process Server with Telnet Console and Log Access SYNOPSIS -------- *procServ* ['OPTIONS'] -P 'endpoint'... 'command' 'args'... *procServ* ['OPTIONS'] 'endpoint' 'command' 'args'... DESCRIPTION ----------- procServ(1) creates a run time environment for a command (e.g. a soft IOC). It forks a server run as a daemon into the background, which creates a child process running 'command' with all remaining 'args' from the command line. The server provides control access (stdin/stdout) to the child process console by offering a telnet connection at the specified 'endpoint'(s). An 'endpoint' can either be a TCP server socket (specified by the port number) or a UNIX domain socket (where available). See ENDPOINT SPECIFICATION below for details. For security reasons, control access is restricted to connections from localhost (127.0.0.1), so that a prior login in to the host machine is required. (See *\--allow* option.) The first variant allows multiple 'endpoint' declarations and treats all non-option arguments as the command line for the child process. The second variant (provided for backward compatibility) declares one 'endpoint' with its specification taken from the first non-option argument. procServ can be configured to write a console log of all in- and output of the child process into a file using the *-L* (*\--logfile*) option. Sending the signal SIGHUP to the server will make it reopen the log file. To facilitate running under a central console access management (like conserver), the *-l* (*\--logport*) option creates an additional endpoint, which is by default public (i.e. TCP access is not restricted to connections from localhost), and provides read-only (log) access to the child's console. The *-r* (*\--restrict*) option restricts both control and log access to connections from localhost. Both control and log endpoints allow multiple connections, which are handled transparently: all input from control connections is forwarded to the child process, all output from the child is forwarded to all control and log connections (and written to the log file). All diagnostic messages from the procServ server process start with "`@@@`" to be clearly distinguishable from child process messages. A name specified by the *-n* (*\--name*) option will replace the command string in many messages for increased readability. The server will by default automatically respawn the child process when it dies. To avoid spinning, a minimum time between child process restarts is honored (default: 15 seconds, can be changed using the *\--holdoff* option). This behavior can be toggled online using the toggle command `^T`, the default may be changed using the *\--noautorestart* option. You can restart a running child manually by sending a signal to the child process using the kill command `^X`. With the child process being shut down, the server accepts two commands: `^R` or `^X` to restart the child, and `^Q` to quit the server. The *-w* (*\--wait*) option starts the server in this shut down mode, waiting for a control connection to issue a manual start command to spawn the child. Any connection (control or log) can be disconnected using the client's disconnect sequence. Control connections can also be disconnected by sending the logout command character that can be specified using the *-x* (*\--logoutcmd*) option. To block input characters that are potentially dangerous to the child (e.g. `^D` and `^C` on soft IOCs), the *-i* (*\--ignore*) option can be used to specify characters that are silently ignored when coming from a control connection. To facilitate being started and stopped as a standard system service, the *-p* (*\--pidfile*) option tells the server to create a PID file containing the PID of the server process. The *-I* (*\--info-file*) option writes a file listing the server PID and a list of all endpoints. The *-d* (*\--debug*) option runs the server in debug mode: the daemon process stays in the foreground, printing all regular log content plus additional debug messages to stdout. ENDPOINT SPECIFICATION ---------------------- Both control and log endpoints may be bound to either TCP or UNIX sockets (where supported). Allowed endpoint specifications are: **:: Bind to either 0.0.0.0:____ (any) or 127.0.0.1:____ (localhost) depending on the type of endpoint and the setting of *-r* (*\--restrict*) and *\--allow* options. *:*:: Bind to the specified interface address and __. The interface IP address __ must be given in numeric form. Uses 127.0.0.1 (localhost) for security reasons unless the *\--allow* option is also used. *unix:*:: Bind to a named unix domain socket that will be created at the specified absolute or relative path. The server process must have permission to create files in the enclosing directory. The socket file will be owned by the uid and primary gid of the procServ server process with permissions 0666 (equivalent to a TCP socket bound to localhost). *unix::::*:: Bind to a named unix domain socket that will be created at the specified absolute or relative path. The server process must have permission to create files in the enclosing directory. The socket file will be owned by the specified __ and __ with __ permissions. Any of __, __, and/or __ may be omitted. E.g. "-P unix::grp:0660:/run/procServ/foo/control" will create the named socket with 0660 permissions and allow the "grp" group connect to it. This requires that procServ be run as root or a member of "grp". *unix:@*:: Bind to an abstract unix domain socket (Linux specific). Abstract sockets do not exist on the filesystem, and have no permissions checks. They are functionally similar to a TCP socket bound to localhost, but identified with a name string instead of a port number. OPTIONS ------- *\--allow*:: Allow TCP control connections from anywhere. (Default: restrict control access to connections from localhost.) Creates a serious security hole, as telnet clients from anywhere can connect to the child's stdin/stdout and might execute arbitrary commands on the host if the child permits. Needs to be enabled at compile-time (see Makefile). Please do not enable and use this option unless you exactly know why and what you are doing. *\--autorestartcmd*='char':: Toggle auto restart flag when 'char' is sent on a control connection. Use `^` to specify a control character, `""` to disable. Default is `^T`. *\--coresize*='size':: Set the maximum 'size' of core file. See getrlimit(2) documentation for details. Setting 'size' to 0 will keep child from creating core files. *-c, \--chdir*='dir':: Change directory to 'dir' before starting the child. This is done each time the child is started to make sure symbolic links are properly resolved on child restart. *-d, \--debug*:: Enter debug mode. Debug mode will keep the server process in the foreground and enables diagnostic messages that will be sent to the controlling terminal. *-e, \--exec*='file':: Run 'file' as executable for child. Default is 'command'. *-f, \--foreground*:: Keep the server process in the foreground and connected to the controlling terminal. *-h, \--help*:: Print help message. *\--holdoff*='n':: Wait at least 'n' seconds between child restart attempts. (Default is 15 seconds.) *-i, \--ignore*='chars':: Ignore all characters in 'chars' on control connections. This can be used to shield the child process from input characters that are potentially dangerous, e.g. `^D` and `^C` characters that would shut down a soft IOC. Use `^` to specify control characters, `^^` to specify a single `^` character. *-I, \--info-file :: Write instance information to this file. *-k, \--killcmd*='char':: Kill the child process (child will be restarted automatically by default) when 'char' is sent on a control connection. Use `^` to specify a control character, `""` for no kill command. Default is `^X`. *\--killsig*='signal':: Kill the child using 'signal' when receiving the kill command. Default is 9 (SIGKILL). *-l, \--logport*='endpoint':: Provide read-only log access to the child's console on 'endpoint'. See ENDPOINT SPECIFICATION above. By default, TCP log endpoints allow connections from anywhere. Use the *-r* (*\--restrict*) option to restrict TCP access to local connections. *-L, \--logfile*='file':: Write a console log of all in and output to 'file'. '-' selects stdout. *\--logstamp*[='fmt']:: Prefix lines in logs with a time stamp, setting the time stamp format string to 'fmt'. Default is "[] ". (See *\--timefmt* option.) *-n, \--name*='title':: In all server messages, use 'title' instead of the full command line to increase readability. *\--noautorestart*:: Do not automatically restart child process on exit. *-P, \--port*='endpoint':: Provide control access to the child's console on 'endpoint'. See ENDPOINT SPECIFICATION above. By default, TCP control endpoints are restricted to local connections. Use the *\--allow* option to allow TCP access from anywhere. *-p, \--pidfile*='file':: Write the PID of the server process into 'file'. *\--timefmt*='fmt':: Set the format string used to print time stamps to 'fmt'. Default is "%c". (See strftime(3) documentation for details.) *-q, \--quiet*:: Do not write informational output (server). Avoids cluttering the screen when run as part of a system script. *\--restrict*:: Restrict TCP access (control and log) to connections from localhost. *-V, \--version*:: Print program version. *-w, \--wait*:: Do not start the child immediately. Instead, wait for a control connection and a manual start command. *-x, \--logoutcmd*='char':: Log out (close client connection) when 'char' is sent on an control connection. Use `^` to specify a control character. Default is empty. USAGE ----- To start a soft IOC using procServ, change the directory into the IOC's boot directory. A typical command line would be --------------------------------------------------- procServ -n "My SoftIOC" -i ^D^C 20000 ./st.cmd --------------------------------------------------- To connect to the IOC, log into the soft IOC's host and connect to port 20000 using -------------------------- telnet localhost 20000 -------------------------- To connect from a remote machine, ssh to a user account on procservhost and connect to port 20000 using --------------------------------------------------- ssh -t user@procservhost telnet localhost 20000 --------------------------------------------------- You will be connected to the soft IOCs console and receive an informative welcome message. All output from the procServ server will start with "`@@@`" to allow telling it apart from messages that your IOC sends. ----------------------------------------------------------------------------------- > telnet localhost 20000 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. @@@ Welcome to the procServ process server (procServ Version 2.1.0) @@@ Use ^X to kill the child, auto restart is ON, use ^T to toggle auto restart @@@ procServ server PID: 21413 @@@ Startup directory: /projects/ctl/lange/epics/ioc/test314/iocBoot/iocexample @@@ Child "My SoftIOC" started as: ./st.cmd @@@ Child "My SoftIOC" PID: 21414 @@@ procServ server started at: Fri Apr 25 16:43:00 2008 @@@ Child "My SoftIOC" started at: Fri Apr 25 16:43:00 2008 @@@ 0 user(s) and 0 logger(s) connected (plus you) ----------------------------------------------------------------------------------- Type the kill command character `^X` to reboot the soft IOC and get server messages about this action. Type the telnet escape character `^]` to get back to a telnet prompt then "`quit`" to exit telnet (and ssh when you were connecting remotely). Though procServ was originally intended to be an environment to run soft IOCs, an arbitrary process might be started as child. It provides an environment for any program that requires access to its console, while running in the background as a daemon, and keeping a log by writing a file or through a console access and logging facility (such as `conserver`). ENVIRONMENT VARIABLES --------------------- *PROCSERV_PID*:: Sets the file name to write the PID of the server process into. (See *-p* option.) *PROCSERV_DEBUG*:: If set, procServ starts in debug mode. (See *-d* option.) KNOWN PROBLEMS -------------- None so far. REPORTING BUGS -------------- Please report bugs using the issue tracker at . AUTHORS ------- Originally written by David H. Thompson (ORNL). Current author: Ralph Lange . RESOURCES --------- GitHub project: COPYING ------- All copyrights reserved. Free use of this software is granted under the terms of the GNU General Public License (GPLv3). procServ-2.7.0/processClass.h0000644000175000017500000000223013037675771013076 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2016 // GNU Public License (GPLv3) applies - see www.gnu.org #ifndef processClassH #define processClassH #include "procServ.h" #ifdef __CYGWIN__ #include #endif /* __CYGWIN__ */ class processClass : public connectionItem { friend connectionItem * processFactory(char *exe, char *argv[]); friend bool processFactoryNeedsRestart(); friend void processFactorySendSignal(int signal); public: processClass(char *exe, char *argv[]); void readFromFd(void); int Send(const char *,int); void markDeadIfChildIs(pid_t pid) { if (pid==_pid) _markedForDeletion=true; } char factoryName[100]; virtual bool isProcess() const { return true; } virtual bool isLogger() const { return false; } static void restartOnce (); static bool exists() { return _runningItem ? true : false; } virtual ~processClass(); protected: pid_t _pid; static processClass * _runningItem; static time_t _restartTime; void terminateJob(); #ifdef __CYGWIN__ HANDLE _hwinjob; #endif /* __CYGWIN__ */ }; #endif /* #ifndef processClassH */ procServ-2.7.0/configure.ac0000644000175000017500000001301413037675771012551 00000000000000# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. # Process Server (for soft IOCs) # Ralph Lange 04/16/2012 # GNU Public License (GPLv3) applies - see www.gnu.org AC_PREREQ([2.61]) AC_INIT([procServ Process Server], [2.7.0], [tech-talk@aps.anl.gov], [procServ], [https://github.com/ralphlange/procServ]) AC_SUBST([PACKAGE_DATE],[01/18/2017]) AC_CONFIG_AUX_DIR([build-aux]) AC_CANONICAL_HOST AM_INIT_AUTOMAKE([1.10 -Wall foreign]) AC_CONFIG_SRCDIR([connectionItem.cc]) # we don't need config.h for now #AC_CONFIG_HEADER([config.h]) #DEBUG_TYPE="-g -O0 -fno-omit-frame-pointer" # -gcoff DEBUG_TYPE="-g" # -gcoff CFLAGS="$CFLAGS -Wall $DEBUG_TYPE" CXXFLAGS="$CXXFLAGS -Wall $DEBUG_TYPE" if test "$host_os" = "cygwin"; then LDFLAGS="$LDFLAGS -static -Wl,-Map,procServ.map" fi LIBS="$LIBS" # Checks for programs. AC_PROG_CXX AC_PROG_CC # Checks for header files. #AC_CHECK_HEADERS([arpa/inet.h fcntl.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h termios.h utmp.h pty.h],[], # [AC_MSG_ERROR([Missing required header(s)])]) AC_CHECK_HEADERS([pty.h libutil.h util.h]) # Checks for typedefs, structures, and compiler characteristics. AC_HEADER_STDBOOL AC_C_CONST AC_TYPE_UID_T AC_TYPE_MODE_T AC_TYPE_PID_T AC_C_RESTRICT AC_STRUCT_TM # Checks for library functions. AC_FUNC_FORK AC_FUNC_GETGROUPS AC_PROG_GCC_TRADITIONAL AC_PROG_RANLIB AC_FUNC_STRFTIME AC_CHECK_LIB([telnet], [telnet_recv],,[AC_LIBOBJ([libtelnet])]) AC_SEARCH_LIBS([socket], [socket]) AC_SEARCH_LIBS([setsockopt], [socket]) AC_SEARCH_LIBS([inet_aton], [resolv]) AC_SEARCH_LIBS([inet_ntop], [nsl]) AC_SEARCH_LIBS([forkpty], [util]) AC_REPLACE_FUNCS([forkpty]) # Add configure option for access from anywhere AC_ARG_ENABLE([access-from-anywhere], [AS_HELP_STRING([--enable-access-from-anywhere], [allow unauthenticated access from anywhere \ (CAVEAT: opens a security hole!!)])], [], [enable_access_from_anywhere=no]) AS_IF([test "x$enable_access_from_anywhere" != xno], [AC_DEFINE([ALLOW_FROM_ANYWHERE], [1], [Define to allow access from anywhere])]) # Add configure option for creating EPICS build system Makefile AC_ARG_WITH([epics-top], [AS_HELP_STRING([--with-epics-top=TOP], [create Makefile for EPICS build system: relative path to TOP])], [], [with_epics_top=no]) AS_IF([test "x$with_epics_top" != xno], [if test "x$with_epics_top" = xyes; then with_epics_top=../.. fi use_epics_makefile=yes a=`pwd`; b=`echo ${a##*/} | tr . -`; c=${a%/*}/${b%%App}App if test "x$a" != "x$c"; then echo "renaming directory to fit the EPICS build rules" mv $a $c fi AC_SUBST([EPICS_TOP],[$with_epics_top]) ]) AM_CONDITIONAL([WITH_EPICS], [test x$with_epics_top != xno]) AC_ARG_ENABLE([devel], [AS_HELP_STRING([--enable-devel], [Control build type: debug (enable), release (disable), default (none)])], [], []) AS_IF([test x$enable_devel = xyes], [ CFLAGS="$CFLAGS -Werror" CXXFLAGS="$CXXFLAGS -Werror" CPPFLAGS="$CPPFLAGS -DDEBUG" ]) # Skip building documentation AC_ARG_ENABLE([doc], [AS_HELP_STRING([--disable-doc], [Do not install documentation]) AS_HELP_STRING([--enable-doc], [Build (and install) documentation])], [],[]) # If $enable_doc is: # no - Don't build or install generated documentation. # empty (default) - Install generated docs, but don't build. # Assumes they are already exist (ie dist. tarball) # yes - build and install generated documentation. 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Use --disable-doc to skip installing it, or --enable-doc to generate it])]) ]) # Clumsy workaround (waiting for AM_COND_IF in Automake 1.10.3) to use EPICS Makefile.in # Careful: while in "EPICS mode" you must remove Makefile.Automake.in before manually running autoreconf. # Better: Run "make maintainer-clean" then "make" which will clean up then autoreconf. 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AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) # Check how to create a tarball. -*- Autoconf -*- # Copyright (C) 2004-2014 Free Software Foundation, Inc. # # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # _AM_PROG_TAR(FORMAT) # -------------------- # Check how to create a tarball in format FORMAT. # FORMAT should be one of 'v7', 'ustar', or 'pax'. # # Substitute a variable $(am__tar) that is a command # writing to stdout a FORMAT-tarball containing the directory # $tardir. # tardir=directory && $(am__tar) > result.tar # # Substitute a variable $(am__untar) that extract such # a tarball read from stdin. # $(am__untar) < result.tar # AC_DEFUN([_AM_PROG_TAR], [# Always define AMTAR for backward compatibility. Yes, it's still used # in the wild :-( We should find a proper way to deprecate it ... AC_SUBST([AMTAR], ['$${TAR-tar}']) # We'll loop over all known methods to create a tar archive until one works. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' m4_if([$1], [v7], [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], [m4_case([$1], [ustar], [# The POSIX 1988 'ustar' format is defined with fixed-size fields. # There is notably a 21 bits limit for the UID and the GID. In fact, # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 # and bug#13588). am_max_uid=2097151 # 2^21 - 1 am_max_gid=$am_max_uid # The $UID and $GID variables are not portable, so we need to resort # to the POSIX-mandated id(1) utility. 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We do so because we # need to set the values for the 'am__tar' and 'am__untar' variables. _am_tools=${am_cv_prog_tar_$1-$_am_tools} for _am_tool in $_am_tools; do case $_am_tool in gnutar) for _am_tar in tar gnutar gtar; do AM_RUN_LOG([$_am_tar --version]) && break done am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' am__untar="$_am_tar -xf -" ;; plaintar) # Must skip GNU tar: if it does not support --format= it doesn't create # ustar tarball either. (tar --version) >/dev/null 2>&1 && continue am__tar='tar chf - "$$tardir"' am__tar_='tar chf - "$tardir"' am__untar='tar xf -' ;; pax) am__tar='pax -L -x $1 -w "$$tardir"' am__tar_='pax -L -x $1 -w "$tardir"' am__untar='pax -r' ;; cpio) am__tar='find "$$tardir" -print | cpio -o -H $1 -L' am__tar_='find "$tardir" -print | cpio -o -H $1 -L' am__untar='cpio -i -H $1 -d' ;; none) am__tar=false am__tar_=false am__untar=false ;; esac # If the value was cached, stop now. We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works. rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR procServ-2.7.0/COPYING0000644000175000017500000010451313037675771011323 00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. 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But first, please read . procServ-2.7.0/build-aux/0000755000175000017500000000000013037676076012235 500000000000000procServ-2.7.0/build-aux/depcomp0000755000175000017500000005601613006223057013521 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2013-05-30.07; # UTC # Copyright (C) 1999-2014 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. Also, the AIX compiler puts '$object:' at the # start of each line; $object doesn't have directory information. # Version 6 uses the directory in both cases. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else tmpdepfile1=$dir$base.u tmpdepfile2=$dir$base.u tmpdepfile3=$dir$base.u "$@" -M fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done aix_post_process_depfile ;; tcc) # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 # FIXME: That version still under development at the moment of writing. # Make that this statement remains true also for stable, released # versions. # It will wrap lines (doesn't matter whether long or short) with a # trailing '\', as in: # # foo.o : \ # foo.c \ # foo.h \ # # It will put a trailing '\' even on the last line, and will use leading # spaces rather than leading tabs (at least since its commit 0394caf7 # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. # We have to change lines of the first kind to '$object: \'. sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" # And for each line of the second kind, we have to emit a 'dep.h:' # dummy dependency, to avoid the deleted-header problem. sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; ## The order of this option in the case statement is important, since the ## shell code in configure will try each of these formats in the order ## listed in this file. A plain '-MD' option would be understood by many ## compilers, so we must ensure this comes after the gcc and icc options. pgcc) # Portland's C compiler understands '-MD'. # Will always output deps to 'file.d' where file is the root name of the # source file under compilation, even if file resides in a subdirectory. # The object file name does not affect the name of the '.d' file. # pgcc 10.2 will output # foo.o: sub/foo.c sub/foo.h # and will wrap long lines using '\' : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. set_base_from "$source" tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. lockdir=$base.d-lock trap " echo '$0: caught signal, cleaning up...' >&2 rmdir '$lockdir' exit 1 " 1 2 13 15 numtries=100 i=$numtries while test $i -gt 0; do # mkdir is a portable test-and-set. if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. rmdir "$lockdir" break else # If the lock is being held by a different process, wait # until the winning process is done or we timeout. while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done fi i=`expr $i - 1` done trap - 1 2 13 15 if test $i -le 0; then echo "$0: failed to acquire lock after $numtries attempts" >&2 echo "$0: check lockdir '$lockdir'" >&2 exit 1 fi if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" # Each line is of the form `foo.o: dependent.h', # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. # Do two passes, one to just change these to # `$object: dependent.h' and one to simply `dependent.h:'. sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this invocation # correctly. Breaking it into two sed invocations is a workaround. sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp2) # The "hp" stanza above does not work with aCC (C++) and HP's ia64 # compilers, which have integrated preprocessors. The correct option # to use with these is +Maked; it writes dependencies to a file named # 'foo.d', which lands next to the object file, wherever that # happens to be. # Much of this is similar to the tru64 case; see comments there. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d "$@" -Wc,+Maked else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d "$@" +Maked fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" do test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" # Add 'dependent.h:' lines. sed -ne '2,${ s/^ *// s/ \\*$// s/$/:/ p }' "$tmpdepfile" >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" "$tmpdepfile2" ;; tru64) # The Tru64 compiler uses -MD to generate dependencies as a side # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put # dependencies in 'foo.d' instead, so we check for that too. # Subdirectories are respected. set_dir_from "$object" set_base_from "$object" if test "$libtool" = yes; then # Libtool generates 2 separate objects for the 2 libraries. These # two compilations output dependencies in $dir.libs/$base.o.d and # in $dir$base.o.d. We have to check for both files, because # one of the two compilations can be disabled. We should prefer # $dir$base.o.d over $dir.libs/$base.o.d because the latter is # automatically cleaned when .libs/ is deleted, while ignoring # the former would cause a distcleancheck panic. tmpdepfile1=$dir$base.o.d # libtool 1.5 tmpdepfile2=$dir.libs/$base.o.d # Likewise. tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else tmpdepfile1=$dir$base.d tmpdepfile2=$dir$base.d tmpdepfile3=$dir$base.d "$@" -MD fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" do test -f "$tmpdepfile" && break done # Same post-processing that is required for AIX mode. aix_post_process_depfile ;; msvc7) if test "$libtool" = yes; then showIncludes=-Wc,-showIncludes else showIncludes=-showIncludes fi "$@" $showIncludes > "$tmpdepfile" stat=$? grep -v '^Note: including file: ' "$tmpdepfile" if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The first sed program below extracts the file names and escapes # backslashes for cygpath. The second sed program outputs the file # name when reading, but also accumulates all include files in the # hold buffer in order to output them again at the end. This only # works with sed implementations that can handle large buffers. sed < "$tmpdepfile" -n ' /^Note: including file: *\(.*\)/ { s//\1/ s/\\/\\\\/g p }' | $cygpath_u | sort -u | sed -n ' s/ /\\ /g s/\(.*\)/'"$tab"'\1 \\/p s/.\(.*\) \\/\1:/ H $ { s/.*/'"$tab"'/ G p }' >> "$depfile" echo >> "$depfile" # make sure the fragment doesn't end with a backslash rm -f "$tmpdepfile" ;; msvc7msys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. 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"$@" $dashmflag | sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" # Some versions of the HPUX 10.20 sed can't process this sed invocation # correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) "$@" || exit $? # Remove any Libtool call if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # X makedepend shift cleared=no eat=no for arg do case $cleared in no) set ""; shift cleared=yes ;; esac if test $eat = yes; then eat=no continue fi case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift ;; # Strip any option that makedepend may not understand. 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"$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi # Remove '-o $object'. IFS=" " for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord "$@" "$arg" shift # fnord shift # $arg ;; esac done "$@" -E \ | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" cat < "$tmpdepfile" >> "$depfile" sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; msvisualcpp) # Important note: in order to support this mode, a compiler *must* # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. if test "$libtool" = yes; then while test "X$1" != 'X--mode=compile'; do shift done shift fi IFS=" " for arg do case "$arg" in -o) shift ;; $object) shift ;; "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E 2>/dev/null | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" echo "$tab" >> "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; msvcmsys) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: procServ-2.7.0/build-aux/config.sub0000755000175000017500000010676313011674454014143 00000000000000#! /bin/sh # Configuration validation subroutine script. # Copyright 1992-2016 Free Software Foundation, Inc. timestamp='2016-11-04' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that # program. This Exception is an additional permission under section 7 # of the GNU General Public License, version 3 ("GPLv3"). # Please send patches to . # # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # You can get the latest version of this script from: # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # or in some cases, the newer four-part form: # CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM # It is wrong to echo any other type of specification. me=`echo "$0" | sed -e 's,.*/,,'` usage="\ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS Canonicalize a configuration name. Operation modes: -h, --help print this help, then exit -t, --time-stamp print date of last modification, then exit -v, --version print version number, then exit Report bugs and patches to ." version="\ GNU config.sub ($timestamp) Copyright 1992-2016 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." help=" Try \`$me --help' for more information." # Parse command line while test $# -gt 0 ; do case $1 in --time-stamp | --time* | -t ) echo "$timestamp" ; exit ;; --version | -v ) echo "$version" ; exit ;; --help | --h* | -h ) echo "$usage"; exit ;; -- ) # Stop option processing shift; break ;; - ) # Use stdin as input. break ;; -* ) echo "$me: invalid option $1$help" exit 1 ;; *local*) # First pass through any local machine types. echo $1 exit ;; * ) break ;; esac done case $# in 0) echo "$me: missing argument$help" >&2 exit 1;; 1) ;; *) echo "$me: too many arguments$help" >&2 exit 1;; esac # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). # Here we must recognize all the valid KERNEL-OS combinations. maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` case $maybe_os in nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ kopensolaris*-gnu* | cloudabi*-eabi* | \ storm-chaos* | os2-emx* | rtmk-nova*) os=-$maybe_os basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` ;; android-linux) os=-linux-android basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown ;; *) basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ;; esac ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ -apple | -axis | -knuth | -cray | -microblaze*) os= basic_machine=$1 ;; -bluegene*) os=-cnk ;; -sim | -cisco | -oki | -wec | -winbond) os= basic_machine=$1 ;; -scout) ;; -wrs) os=-vxworks basic_machine=$1 ;; -chorusos*) os=-chorusos basic_machine=$1 ;; -chorusrdb) os=-chorusrdb basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco6) os=-sco5v6 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5) os=-sco3.2v5 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco5v6*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -udk*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` ;; -lynx*178) os=-lynxos178 ;; -lynx*5) os=-lynxos5 ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; -psos*) os=-psos ;; -mint | -mint[0-9]*) basic_machine=m68k-atari os=-mint ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. 1750a | 580 \ | a29k \ | aarch64 | aarch64_be \ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ | am33_2.0 \ | arc | arceb \ | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ | avr | avr32 \ | ba \ | be32 | be64 \ | bfin \ | c4x | c8051 | clipper \ | d10v | d30v | dlx | dsp16xx \ | e2k | epiphany \ | fido | fr30 | frv | ft32 \ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ | hexagon \ | i370 | i860 | i960 | ia64 \ | ip2k | iq2000 \ | k1om \ | le32 | le64 \ | lm32 \ | m32c | m32r | m32rle | m68000 | m68k | m88k \ | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ | mips | mipsbe | mipseb | mipsel | mipsle \ | mips16 \ | mips64 | mips64el \ | mips64octeon | mips64octeonel \ | mips64orion | mips64orionel \ | mips64r5900 | mips64r5900el \ | mips64vr | mips64vrel \ | mips64vr4100 | mips64vr4100el \ | mips64vr4300 | mips64vr4300el \ | mips64vr5000 | mips64vr5000el \ | mips64vr5900 | mips64vr5900el \ | mipsisa32 | mipsisa32el \ | mipsisa32r2 | mipsisa32r2el \ | mipsisa32r6 | mipsisa32r6el \ | mipsisa64 | mipsisa64el \ | mipsisa64r2 | mipsisa64r2el \ | mipsisa64r6 | mipsisa64r6el \ | mipsisa64sb1 | mipsisa64sb1el \ | mipsisa64sr71k | mipsisa64sr71kel \ | mipsr5900 | mipsr5900el \ | mipstx39 | mipstx39el \ | mn10200 | mn10300 \ | moxie \ | mt \ | msp430 \ | nds32 | nds32le | nds32be \ | nios | nios2 | nios2eb | nios2el \ | ns16k | ns32k \ | open8 | or1k | or1knd | or32 \ | pdp10 | pdp11 | pj | pjl \ | powerpc | powerpc64 | powerpc64le | powerpcle \ | pru \ | pyramid \ | riscv32 | riscv64 \ | rl78 | rx \ | score \ | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ | sh64 | sh64le \ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ | spu \ | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ | ubicom32 \ | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ | visium \ | we32k \ | x86 | xc16x | xstormy16 | xtensa \ | z8k | z80) basic_machine=$basic_machine-unknown ;; c54x) basic_machine=tic54x-unknown ;; c55x) basic_machine=tic55x-unknown ;; c6x) basic_machine=tic6x-unknown ;; leon|leon[3-9]) basic_machine=sparc-$basic_machine ;; m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) basic_machine=$basic_machine-unknown os=-none ;; m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) ;; ms1) basic_machine=mt-unknown ;; strongarm | thumb | xscale) basic_machine=arm-unknown ;; xgate) basic_machine=$basic_machine-unknown os=-none ;; xscaleeb) basic_machine=armeb-unknown ;; xscaleel) basic_machine=armel-unknown ;; # We use `pc' rather than `unknown' # because (1) that's what they normally are, and # (2) the word "unknown" tends to confuse beginning users. i*86 | x86_64) basic_machine=$basic_machine-pc ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. 580-* \ | a29k-* \ | aarch64-* | aarch64_be-* \ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ | avr-* | avr32-* \ | ba-* \ | be32-* | be64-* \ | bfin-* | bs2000-* \ | c[123]* | c30-* | [cjt]90-* | c4x-* \ | c8051-* | clipper-* | craynv-* | cydra-* \ | d10v-* | d30v-* | dlx-* \ | e2k-* | elxsi-* \ | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ | h8300-* | h8500-* \ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ | hexagon-* \ | i*86-* | i860-* | i960-* | ia64-* \ | ip2k-* | iq2000-* \ | k1om-* \ | le32-* | le64-* \ | lm32-* \ | m32c-* | m32r-* | m32rle-* \ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ | microblaze-* | microblazeel-* \ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ | mips16-* \ | mips64-* | mips64el-* \ | mips64octeon-* | mips64octeonel-* \ | mips64orion-* | mips64orionel-* \ | mips64r5900-* | mips64r5900el-* \ | mips64vr-* | mips64vrel-* \ | mips64vr4100-* | mips64vr4100el-* \ | mips64vr4300-* | mips64vr4300el-* \ | mips64vr5000-* | mips64vr5000el-* \ | mips64vr5900-* | mips64vr5900el-* \ | mipsisa32-* | mipsisa32el-* \ | mipsisa32r2-* | mipsisa32r2el-* \ | mipsisa32r6-* | mipsisa32r6el-* \ | mipsisa64-* | mipsisa64el-* \ | mipsisa64r2-* | mipsisa64r2el-* \ | mipsisa64r6-* | mipsisa64r6el-* \ | mipsisa64sb1-* | mipsisa64sb1el-* \ | mipsisa64sr71k-* | mipsisa64sr71kel-* \ | mipsr5900-* | mipsr5900el-* \ | mipstx39-* | mipstx39el-* \ | mmix-* \ | mt-* \ | msp430-* \ | nds32-* | nds32le-* | nds32be-* \ | nios-* | nios2-* | nios2eb-* | nios2el-* \ | none-* | np1-* | ns16k-* | ns32k-* \ | open8-* \ | or1k*-* \ | orion-* \ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ | pru-* \ | pyramid-* \ | riscv32-* | riscv64-* \ | rl78-* | romp-* | rs6000-* | rx-* \ | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ | sparclite-* \ | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ | tahoe-* \ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ | tile*-* \ | tron-* \ | ubicom32-* \ | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ | vax-* \ | visium-* \ | we32k-* \ | x86-* | x86_64-* | xc16x-* | xps100-* \ | xstormy16-* | xtensa*-* \ | ymp-* \ | z8k-* | z80-*) ;; # Recognize the basic CPU types without company name, with glob match. xtensa*) basic_machine=$basic_machine-unknown ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 386bsd) basic_machine=i386-unknown os=-bsd ;; 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; a29khif) basic_machine=a29k-amd os=-udi ;; abacus) basic_machine=abacus-unknown ;; adobe68k) basic_machine=m68010-adobe os=-scout ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amd64) basic_machine=x86_64-pc ;; amd64-*) basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos | amigados) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-unknown os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; apollo68bsd) basic_machine=m68k-apollo os=-bsd ;; aros) basic_machine=i386-pc os=-aros ;; asmjs) basic_machine=asmjs-unknown ;; aux) basic_machine=m68k-apple os=-aux ;; balance) basic_machine=ns32k-sequent os=-dynix ;; blackfin) basic_machine=bfin-unknown os=-linux ;; blackfin-*) basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; bluegene*) basic_machine=powerpc-ibm os=-cnk ;; c54x-*) basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c55x-*) basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c6x-*) basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` ;; c90) basic_machine=c90-cray os=-unicos ;; cegcc) basic_machine=arm-unknown os=-cegcc ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | j90) basic_machine=j90-cray os=-unicos ;; craynv) basic_machine=craynv-cray os=-unicosmp ;; cr16 | cr16-*) basic_machine=cr16-unknown os=-elf ;; crds | unos) basic_machine=m68k-crds ;; crisv32 | crisv32-* | etraxfs*) basic_machine=crisv32-axis ;; cris | cris-* | etrax*) basic_machine=cris-axis ;; crx) basic_machine=crx-unknown os=-elf ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; decsystem10* | dec10*) basic_machine=pdp10-dec os=-tops10 ;; decsystem20* | dec20*) basic_machine=pdp10-dec os=-tops20 ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dicos) basic_machine=i686-pc os=-dicos ;; djgpp) basic_machine=i586-pc os=-msdosdjgpp ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; e500v[12]) basic_machine=powerpc-unknown os=$os"spe" ;; e500v[12]-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` os=$os"spe" ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; es1800 | OSE68k | ose68k | ose | OSE) basic_machine=m68k-ericsson os=-ose ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; go32) basic_machine=i386-pc os=-go32 ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; h8300xray) basic_machine=h8300-hitachi os=-xray ;; h8500hms) basic_machine=h8500-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp3k9[0-9][0-9] | hp9[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k6[0-9][0-9] | hp6[0-9][0-9]) basic_machine=hppa1.0-hp ;; hp9k7[0-79][0-9] | hp7[0-79][0-9]) basic_machine=hppa1.1-hp ;; hp9k78[0-9] | hp78[0-9]) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) # FIXME: really hppa2.0-hp basic_machine=hppa1.1-hp ;; hp9k8[0-9][13679] | hp8[0-9][13679]) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; hppa-next) os=-nextstep3 ;; hppaosf) basic_machine=hppa1.1-hp os=-osf ;; hppro) basic_machine=hppa1.1-hp os=-proelf ;; i370-ibm* | ibm*) basic_machine=i370-ibm ;; i*86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv32 ;; i*86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv4 ;; i*86v) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-sysv ;; i*86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` os=-solaris2 ;; i386mach) basic_machine=i386-mach os=-mach ;; i386-vsta | vsta) basic_machine=i386-unknown os=-vsta ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; leon-*|leon[3-9]-*) basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'` ;; m68knommu) basic_machine=m68k-unknown os=-linux ;; m68knommu-*) basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` os=-linux ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; microblaze*) basic_machine=microblaze-xilinx ;; mingw64) basic_machine=x86_64-pc os=-mingw64 ;; mingw32) basic_machine=i686-pc os=-mingw32 ;; mingw32ce) basic_machine=arm-unknown os=-mingw32ce ;; miniframe) basic_machine=m68000-convergent ;; *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) basic_machine=m68k-atari os=-mint ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; monitor) basic_machine=m68k-rom68k os=-coff ;; morphos) basic_machine=powerpc-unknown os=-morphos ;; moxiebox) basic_machine=moxie-unknown os=-moxiebox ;; msdos) basic_machine=i386-pc os=-msdos ;; 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) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/[678][0-9][0-9]) if [ -x /usr/bin/getconf ]; then sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` case "${sc_cpu_version}" in 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 532) # CPU_PA_RISC2_0 case "${sc_kernel_bits}" in 32) HP_ARCH=hppa2.0n ;; 64) HP_ARCH=hppa2.0w ;; '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 esac ;; esac fi if [ "${HP_ARCH}" = "" ]; then eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #define _HPUX_SOURCE #include #include int main () { #if defined(_SC_KERNEL_BITS) long bits = sysconf(_SC_KERNEL_BITS); #endif long cpu = sysconf (_SC_CPU_VERSION); switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0"); break; case CPU_PA_RISC1_1: puts ("hppa1.1"); break; case CPU_PA_RISC2_0: #if defined(_SC_KERNEL_BITS) switch (bits) { case 64: puts ("hppa2.0w"); break; case 32: puts ("hppa2.0n"); break; default: puts ("hppa2.0"); break; } break; #else /* !defined(_SC_KERNEL_BITS) */ puts ("hppa2.0"); break; #endif default: puts ("hppa1.0"); break; } exit (0); } EOF (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` test -z "$HP_ARCH" && HP_ARCH=hppa fi ;; esac if [ ${HP_ARCH} = hppa2.0w ] then eval $set_cc_for_build # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler # generating 64-bit code. GNU and HP use different nomenclature: # # $ CC_FOR_BUILD=cc ./config.guess # => hppa2.0w-hp-hpux11.23 # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess # => hppa64-hp-hpux11.23 if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | grep -q __LP64__ then HP_ARCH=hppa2.0w else HP_ARCH=hppa64 fi fi echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit ;; ia64:HP-UX:*:*) HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ia64-hp-hpux${HPUX_REV} exit ;; 3050*:HI-UX:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && { echo "$SYSTEM_NAME"; exit; } echo unknown-hitachi-hiuxwe2 exit ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit ;; *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) echo hppa1.0-hp-mpeix exit ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit ;; i*86:OSF1:*:*) if [ -x /usr/sbin/sysversion ] ; then echo ${UNAME_MACHINE}-unknown-osf1mk else echo ${UNAME_MACHINE}-unknown-osf1 fi exit ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*[A-Z]90:*:*:*) echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ -e 's/\.[^.]*$/.X/' exit ;; CRAY*TS:*:*:*) echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*T3E:*:*:*) echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; CRAY*SV1:*:*:*) echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; *:UNICOS/mp:*:*) echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' exit ;; F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; 5000:UNIX_System_V:4.*:*) FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" exit ;; i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} exit ;; sparc*:BSD/OS:*:*) echo sparc-unknown-bsdi${UNAME_RELEASE} exit ;; *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit ;; *:FreeBSD:*:*) UNAME_PROCESSOR=`/usr/bin/uname -p` case ${UNAME_PROCESSOR} in amd64) echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; *) echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; esac exit ;; i*:CYGWIN*:*) echo ${UNAME_MACHINE}-pc-cygwin exit ;; *:MINGW64*:*) echo ${UNAME_MACHINE}-pc-mingw64 exit ;; *:MINGW*:*) echo ${UNAME_MACHINE}-pc-mingw32 exit ;; *:MSYS*:*) echo ${UNAME_MACHINE}-pc-msys exit ;; i*:windows32*:*) # uname -m includes "-pc" on this system. echo ${UNAME_MACHINE}-mingw32 exit ;; i*:PW*:*) echo ${UNAME_MACHINE}-pc-pw32 exit ;; *:Interix*:*) case ${UNAME_MACHINE} in x86) echo i586-pc-interix${UNAME_RELEASE} exit ;; authenticamd | genuineintel | EM64T) echo x86_64-unknown-interix${UNAME_RELEASE} exit ;; IA64) echo ia64-unknown-interix${UNAME_RELEASE} exit ;; esac ;; [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) echo i${UNAME_MACHINE}-pc-mks exit ;; 8664:Windows_NT:*) echo x86_64-pc-mks exit ;; i*:Windows_NT*:* | Pentium*:Windows_NT*:*) # How do we know it's Interix rather than the generic POSIX subsystem? # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we # UNAME_MACHINE based on the output of uname instead of i386? echo i586-pc-interix exit ;; i*:UWIN*:*) echo ${UNAME_MACHINE}-pc-uwin exit ;; amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) echo x86_64-unknown-cygwin exit ;; p*:CYGWIN*:*) echo powerpcle-unknown-cygwin exit ;; prep*:SunOS:5.*:*) echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit ;; *:GNU:*:*) # the GNU system echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit ;; *:GNU/*:*:*) # other systems with GNU libc and userland echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} exit ;; i*86:Minix:*:*) echo ${UNAME_MACHINE}-pc-minix exit ;; aarch64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; aarch64_be:Linux:*:*) UNAME_MACHINE=aarch64_be echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; alpha:Linux:*:*) case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in EV5) UNAME_MACHINE=alphaev5 ;; EV56) UNAME_MACHINE=alphaev56 ;; PCA56) UNAME_MACHINE=alphapca56 ;; PCA57) UNAME_MACHINE=alphapca56 ;; EV6) UNAME_MACHINE=alphaev6 ;; EV67) UNAME_MACHINE=alphaev67 ;; EV68*) UNAME_MACHINE=alphaev68 ;; esac objdump --private-headers /bin/sh | grep -q ld.so.1 if test "$?" = 0 ; then LIBC=gnulibc1 ; fi echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arc:Linux:*:* | arceb:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; arm*:Linux:*:*) eval $set_cc_for_build if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_EABI__ then echo ${UNAME_MACHINE}-unknown-linux-${LIBC} else if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ | grep -q __ARM_PCS_VFP then echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi else echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf fi fi exit ;; avr32*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; cris:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; crisv32:Linux:*:*) echo ${UNAME_MACHINE}-axis-linux-${LIBC} exit ;; e2k:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; frv:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; hexagon:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:Linux:*:*) echo ${UNAME_MACHINE}-pc-linux-${LIBC} exit ;; ia64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; k1om:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m32r*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; m68*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; mips:Linux:*:* | mips64:Linux:*:*) eval $set_cc_for_build sed 's/^ //' << EOF >$dummy.c #undef CPU #undef ${UNAME_MACHINE} #undef ${UNAME_MACHINE}el #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) CPU=${UNAME_MACHINE}el #else #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) CPU=${UNAME_MACHINE} #else CPU= #endif #endif EOF eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } ;; mips64el:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; openrisc*:Linux:*:*) echo or1k-unknown-linux-${LIBC} exit ;; or32:Linux:*:* | or1k*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; padre:Linux:*:*) echo sparc-unknown-linux-${LIBC} exit ;; parisc64:Linux:*:* | hppa64:Linux:*:*) echo hppa64-unknown-linux-${LIBC} exit ;; parisc:Linux:*:* | hppa:Linux:*:*) # Look for CPU level case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; *) echo hppa-unknown-linux-${LIBC} ;; esac exit ;; ppc64:Linux:*:*) echo powerpc64-unknown-linux-${LIBC} exit ;; ppc:Linux:*:*) echo powerpc-unknown-linux-${LIBC} exit ;; ppc64le:Linux:*:*) echo powerpc64le-unknown-linux-${LIBC} exit ;; ppcle:Linux:*:*) echo powerpcle-unknown-linux-${LIBC} exit ;; riscv32:Linux:*:* | riscv64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; s390:Linux:*:* | s390x:Linux:*:*) echo ${UNAME_MACHINE}-ibm-linux-${LIBC} exit ;; sh64*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sh*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; sparc:Linux:*:* | sparc64:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; tile*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; vax:Linux:*:*) echo ${UNAME_MACHINE}-dec-linux-${LIBC} exit ;; x86_64:Linux:*:*) echo ${UNAME_MACHINE}-pc-linux-${LIBC} exit ;; xtensa*:Linux:*:*) echo ${UNAME_MACHINE}-unknown-linux-${LIBC} exit ;; i*86:DYNIX/ptx:4*:*) # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. # earlier versions are messed up and put the nodename in both # sysname and nodename. echo i386-sequent-sysv4 exit ;; i*86:UNIX_SV:4.2MP:2.*) # Unixware is an offshoot of SVR4, but it has its own version # number series starting with 2... # I am not positive that other SVR4 systems won't match this, # I just have to hope. -- rms. # Use sysv4.2uw... so that sysv4* matches it. echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} exit ;; i*86:OS/2:*:*) # If we were able to find `uname', then EMX Unix compatibility # is probably installed. echo ${UNAME_MACHINE}-pc-os2-emx exit ;; i*86:XTS-300:*:STOP) echo ${UNAME_MACHINE}-unknown-stop exit ;; i*86:atheos:*:*) echo ${UNAME_MACHINE}-unknown-atheos exit ;; i*86:syllable:*:*) echo ${UNAME_MACHINE}-pc-syllable exit ;; i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) echo i386-unknown-lynxos${UNAME_RELEASE} exit ;; i*86:*DOS:*:*) echo ${UNAME_MACHINE}-pc-msdosdjgpp exit ;; i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} else echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} fi exit ;; i*86:*:5:[678]*) # UnixWare 7.x, OpenUNIX and OpenServer 6. case `/bin/uname -X | grep "^Machine"` in *486*) UNAME_MACHINE=i486 ;; *Pentium) UNAME_MACHINE=i586 ;; *Pent*|*Celeron) UNAME_MACHINE=i686 ;; esac echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} exit ;; i*86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ && UNAME_MACHINE=i586 (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ && UNAME_MACHINE=i686 (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ && UNAME_MACHINE=i686 echo ${UNAME_MACHINE}-pc-sco$UNAME_REL else echo ${UNAME_MACHINE}-pc-sysv32 fi exit ;; pc:*:*:*) # Left here for compatibility: # uname -m prints for DJGPP always 'pc', but it prints nothing about # the processor, so we play safe by assuming i586. # Note: whatever this is, it MUST be the same as what config.sub # prints for the "djgpp" host, or else GDB configure will decide that # this is a cross-build. echo i586-pc-msdosdjgpp exit ;; Intel:Mach:3*:*) echo i386-pc-mach3 exit ;; paragon:*:*:*) echo i860-intel-osf1 exit ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit ;; mc68k:UNIX:SYSTEM5:3.51m) echo m68k-convergent-sysv exit ;; M680?0:D-NIX:5.3:*) echo m68k-diab-dnix exit ;; M68*:*:R3V[5678]*:*) test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) OS_REL='' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4; exit; } ;; NCR*:*:4.2:* | MPRAS*:*:4.2:*) OS_REL='.3' test -r /etc/.relid \ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ && { echo i486-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) echo m68k-unknown-lynxos${UNAME_RELEASE} exit ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit ;; TSUNAMI:LynxOS:2.*:*) echo sparc-unknown-lynxos${UNAME_RELEASE} exit ;; rs6000:LynxOS:2.*:*) echo rs6000-unknown-lynxos${UNAME_RELEASE} exit ;; PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) echo powerpc-unknown-lynxos${UNAME_RELEASE} exit ;; SM[BE]S:UNIX_SV:*:*) echo mips-dde-sysv${UNAME_RELEASE} exit ;; RM*:ReliantUNIX-*:*:*) echo mips-sni-sysv4 exit ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit ;; PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort # says echo i586-unisys-sysv4 exit ;; *:UNIX_System_V:4*:FTX*) # From Gerald Hewes . # How about differentiating between stratus architectures? -djm echo hppa1.1-stratus-sysv4 exit ;; *:*:*:FTX*) # From seanf@swdc.stratus.com. echo i860-stratus-sysv4 exit ;; i*86:VOS:*:*) # From Paul.Green@stratus.com. echo ${UNAME_MACHINE}-stratus-vos exit ;; *:VOS:*:*) # From Paul.Green@stratus.com. echo hppa1.1-stratus-vos exit ;; mc68*:A/UX:*:*) echo m68k-apple-aux${UNAME_RELEASE} exit ;; news*:NEWS-OS:6*:*) echo mips-sony-newsos6 exit ;; R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) if [ -d /usr/nec ]; then echo mips-nec-sysv${UNAME_RELEASE} else echo mips-unknown-sysv${UNAME_RELEASE} fi exit ;; BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. echo powerpc-be-beos exit ;; BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. echo powerpc-apple-beos exit ;; BePC:BeOS:*:*) # BeOS running on Intel PC compatible. echo i586-pc-beos exit ;; BePC:Haiku:*:*) # Haiku running on Intel PC compatible. echo i586-pc-haiku exit ;; x86_64:Haiku:*:*) echo x86_64-unknown-haiku exit ;; SX-4:SUPER-UX:*:*) echo sx4-nec-superux${UNAME_RELEASE} exit ;; SX-5:SUPER-UX:*:*) echo sx5-nec-superux${UNAME_RELEASE} exit ;; SX-6:SUPER-UX:*:*) echo sx6-nec-superux${UNAME_RELEASE} exit ;; SX-7:SUPER-UX:*:*) echo sx7-nec-superux${UNAME_RELEASE} exit ;; SX-8:SUPER-UX:*:*) echo sx8-nec-superux${UNAME_RELEASE} exit ;; SX-8R:SUPER-UX:*:*) echo sx8r-nec-superux${UNAME_RELEASE} exit ;; SX-ACE:SUPER-UX:*:*) echo sxace-nec-superux${UNAME_RELEASE} exit ;; Power*:Rhapsody:*:*) echo powerpc-apple-rhapsody${UNAME_RELEASE} exit ;; *:Rhapsody:*:*) echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} exit ;; *:Darwin:*:*) UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown eval $set_cc_for_build if test "$UNAME_PROCESSOR" = unknown ; then UNAME_PROCESSOR=powerpc fi if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then if [ "$CC_FOR_BUILD" != no_compiler_found ]; then if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ grep IS_64BIT_ARCH >/dev/null then case $UNAME_PROCESSOR in i386) UNAME_PROCESSOR=x86_64 ;; powerpc) UNAME_PROCESSOR=powerpc64 ;; esac fi fi elif test "$UNAME_PROCESSOR" = i386 ; then # Avoid executing cc on OS X 10.9, as it ships with a stub # that puts up a graphical alert prompting to install # developer tools. Any system running Mac OS X 10.7 or # later (Darwin 11 and later) is required to have a 64-bit # processor. This is not true of the ARM version of Darwin # that Apple uses in portable devices. 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IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # 'make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. tab=' ' nl=' ' IFS=" $tab$nl" # Set DOITPROG to "echo" to test this script. doit=${DOITPROG-} doit_exec=${doit:-exec} # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false is_target_a_directory=possibly usage="\ Usage: $0 [OPTION]... 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"$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: procServ-2.7.0/connectionItem.cc0000644000175000017500000000131613037675771013552 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2016 // GNU Public License (GPLv3) applies - see www.gnu.org #include #include #include #include "procServ.h" // This does I/O to stdio stdin and stdout connectionItem::connectionItem(int fd, bool readonly) { _fd = fd; _readonly = readonly; _markedForDeletion = false; _log_stamp_sent = false; } connectionItem::~connectionItem() { PRINTF("~connectionItem()\n"); if (_fd >= 0) close(_fd); } // Called if sig child received // default implementation: empty (only the IOC connection does implement this) void connectionItem::markDeadIfChildIs(pid_t pid) {} procServ-2.7.0/procServ.h0000644000175000017500000001043313037675771012241 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2016 // Michael Davidsaver 2017 // GNU Public License (GPLv3) applies - see www.gnu.org #ifndef procServH #define procServH #include #include #include #include #include #include #include #include #include /* whether to enable UNIX domain sockets */ #ifdef __unix__ #include # define USOCKS #endif #ifndef PRINTF #define PRINTF if (inDebugMode) printf #endif #define PROCSERV_VERSION_STRING PACKAGE_STRING extern bool inDebugMode; extern bool logPortLocal; extern bool autoRestart; extern bool waitForManualStart; extern volatile bool shutdownServer; extern bool setCoreSize; extern char *procservName; extern char *childName; extern char *ignChars; extern const char *timeFormat; extern char killChar; extern char toggleRestartChar; extern char restartChar; extern char quitChar; extern char logoutChar; extern int killSig; extern const size_t INFO1LEN; extern const size_t INFO2LEN; extern const size_t INFO3LEN; extern char infoMessage1[]; extern char infoMessage2[]; extern char infoMessage3[]; extern pid_t procservPid; extern rlim_t coreSize; extern char *chDir; extern time_t holdoffTime; #define NL "\r\n" #define CTL_SC(c) c > 0 && c < 32 ? "^" : "", c > 0 && c < 32 ? c + 64 : c class connectionItem; extern time_t procServStart; // Time when this IOC started extern time_t IOCStart; // Time when the current IOC was started // Connection items call this to send messages to others // This is a party line system, messages go to everyone // the sender's this pointer keeps it from getting its own // messages. void SendToAll(const char * message, int count, const connectionItem * sender); // Call this to add the item to the list of connections void AddConnection(connectionItem *); void DeleteConnection(connectionItem *ci); // connectionItems are made in class factories so none of the // constructors are public: // processFactory creates the process that we are managing connectionItem * processFactory(char *exe, char *argv[]); bool processFactoryNeedsRestart(); // Call to test status of the server process void processFactorySendSignal(int signal); // clientFactory manages an open socket connected to a user connectionItem * clientFactory(int ioSocket, bool readonly=false); // acceptFactory opens a socket creating the inital listening // service and calls clientFactory when clients are accepted // local: restrict to localhost (127.0.0.1) // readonly: discard any input from the client connectionItem * acceptFactory( const char *spec, bool local=true, bool readonly=false ); extern connectionItem * processItem; // Set if it exists // connectionItem class definition // This is an abstract class that all of the other classes use // class connectionItem { public: virtual ~connectionItem(); // Called from main() when input from this client is ready to be read. virtual void readFromFd(void) = 0; // Send characters to this client. virtual int Send(const char * message, int count) = 0; virtual int Send(const char * stamp, int stamp_len, const char * message, int count) { return Send(message, count); } virtual void markDeadIfChildIs(pid_t pid); // called if parent receives sig child int getFd() const { return _fd; } bool IsDead() const { return _markedForDeletion; } // Return false unless you are the process item (processClass overloads) virtual bool isProcess() const { return false; } virtual bool isLogger() const { return _readonly; } virtual void writeAddress(std::ostream& fp) {} protected: connectionItem ( int fd = -1, bool readonly = false ); int _fd; // File descriptor of this connection bool _markedForDeletion; // True if this connection is dead bool _readonly; // True if input has to be ignored bool _log_stamp_sent; // Flag for timestamping log output public: connectionItem * next,*prev; static connectionItem *head; private: // This should never happen connectionItem(const connectionItem & item) { assert(0); }; }; #endif /* #ifndef procServH */ procServ-2.7.0/README.md0000644000175000017500000001170613037675771011550 00000000000000| Linux | EPICS Build | MacOS | Windows | | :---: | :---: | :---: | :---: | |[![CloudBees Autotools](https://openepics.ci.cloudbees.com/buildStatus/icon?job=procServ%20-%20automake%20build)](https://openepics.ci.cloudbees.com/view/procServ/job/procServ%20-%20automake%20build/)|[![CloudBees EPICS](https://openepics.ci.cloudbees.com/buildStatus/icon?job=procServ%20-%20EPICS%20build)](https://openepics.ci.cloudbees.com/view/procServ/job/procServ%20-%20EPICS%20build/)|[![Travis Build](https://travis-ci.org/ralphlange/procServ.svg?branch=master)](https://travis-ci.org/ralphlange/procServ)|[![Windows Build](https://ci.appveyor.com/api/projects/status/github/ralphlange/procserv?svg=true)](https://ci.appveyor.com/project/ralphlange/procserv)| # procServ A wrapper to start arbitrary interactive commands in the background, with telnet access to stdin/stdout. ## Build and Release Ecosystem ### Sources The procServ upstream repository is on [GitHub](https://github.com/ralphlange/procServ). Distribution tars are also available through [SourceForge](http://sourceforge.net/projects/procserv/). ### Dependencies - [**asciidoc**](http://www.methods.co.nz/asciidoc/) (package: asciidoc), to create documentation in different formats (man, pdf, html)
NOTE: The distribution tar contains the doc in all available formats, so you don't need asciidoc to make and install procServ. - [**libtelnet**](https://github.com/seanmiddleditch/libtelnet) (package: libtelnet)
NOTE: The distribution tar contains the libtelnet sources, so it will be compiled into procServ automatically, if not found. ### Continuous Integration Automated builds are provided by [CloudBees](https://openepics.ci.cloudbees.com/view/procServ/), [Travis](https://travis-ci.org/ralphlange/procServ) and [AppVeyor](https://ci.appveyor.com/project/ralphlange/procserv). ### Linux Packages procServ is part of official Linux distributions: - Debian/Ubuntu: `apt-get install procserv` - Fedora/RHEL: `yum install procServ` The [source repository](https://github.com/ralphlange/procServ) also contains the packaging extras. These are not part of the distribution tar. ## Building procServ ### Building with the EPICS Build System 1. Unpack procServ at the appropriate place within your EPICS application structure. 2. Inside that directory, run `./configure --with-epics-top=TOP` where TOP is the relative path to the EPICS TOP directory.
(For a structure created with epicsMakeBaseExt.pl, the appropriate place for the procServ subdir would be under `TOP/src`, with `../..` being the relative path to specify to configure - which is the default.) 3. Build your EPICS structure. ### Building from the procServ Source Repository Requires autoconf >=2.61, automake >= 1.10
Optional asciidoc >= 8.4, FOP >= 0.95, xsltproc >= 1.1.24 $ git clone https://github.com/ralphlange/procServ.git $ cd procserv $ make $ ./configure --enable-doc $ make Note: When building from the repository you must explicitly use `--enable-doc` or `--disable-doc`. Omitting this option assumes the distribution behaviour, that the documentation should be installed, but doesn't need to be built. ### Building on Cygwin/Windows In general, sh configure make should be enough. If you have `autoconf` and `automake` packages, then for a really clean build type sh autoreconf -fi sh configure make clean make If you plan to control procServ from a non-localhost address, you will need to use sh configure --enable-access-from-anywhere as the configure step. The executable is also available for download on GitHub/SourceForge. ## Using procServ ### Running EPICS IOCs as Services on Unix Michael Davidsaver has created SysV-style rc scripts to configure and run EPICS IOCs using procServ. You can look at the [Debian package](http://epics.nsls2.bnl.gov/debian/) or at the [upstream repository](https://github.com/epicsdeb/sysv-rc-softioc). ### Using procServ on Cygwin/Windows In the `.bat` file to launch procServ you should add set CYGWIN=nodosfilewarning to suppress warnings about using windows style paths. If you plan to control procServ from a non-localhost address, you will need to run it with `--allow` to allow remote access to the child console. The default build on Cygwin uses static linking. I.e. to run on a non-Cygwin Windows system, procServ only needs `Cygwin1.dll`, e.g. in the same directory as the executable. Using Windows style paths ('`\`' delimiter) in arguments to procServ is usually OK and suggested under `command.com`. If you have problems try replacing them with Cygwin syntax, i.e. "`/cygdrive/c/my/path`" rather than "`C:\my\path`". Under `command.com`, the caret sign '`^`' has to be escaped using '`^^`'. If you wish to run a `.bat` file rather than an executable as child under procServ, you should use something along the lines of %ComSpec% /c runIOC.bat st.cmd as arguments to procServ to launch your `.bat` file. ## Enjoy! procServ-2.7.0/acceptFactory.cc0000644000175000017500000002374113037675771013371 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2016 // Freddie Akeroyd 2016 // Michael Davidsaver 2017 // GNU Public License (GPLv3) applies - see www.gnu.org #include #include #include #include #include #include #include #include #include #include #include #include #include #include "procServ.h" struct acceptItem : public connectionItem { acceptItem(bool readonly) :connectionItem(-1, readonly) {} virtual ~acceptItem(); void readFromFd(void); int Send(const char *, int); virtual void remakeConnection()=0; }; struct acceptItemTCP : public acceptItem { acceptItemTCP(const sockaddr_in& addr, bool readonly); virtual ~acceptItemTCP() {} sockaddr_in addr; virtual void remakeConnection(); virtual void writeAddress(std::ostream& fp) { char buf[40] = ""; inet_ntop(addr.sin_family, &addr.sin_addr, buf, sizeof(buf)); buf[sizeof(buf)-1] = '\0'; fp<<"tcp:"<0xffff) { fprintf( stderr, "%s: invalid control port %d (<1024)\n", procservName, port ); exit(1); } connectionItem *ci = new acceptItemTCP(inet_addr, readonly); return ci; } else if(sscanf(spec, "%u . %u . %u . %u : %u %c", &A[0], &A[1], &A[2], &A[3], &port, &junk)==5) { // bind to specific interface and port inet_addr.sin_family = AF_INET; inet_addr.sin_addr.s_addr = htonl(local ? INADDR_LOOPBACK : (A[0]<<24 | A[1]<<16 | A[2]<<8 | A[3])); inet_addr.sin_port = htons(port); if(port>0xffff) { fprintf( stderr, "%s: invalid control port %d (<1024)\n", procservName, port ); exit(1); } connectionItem *ci = new acceptItemTCP(inet_addr, readonly); return ci; } else if(strncmp(spec, "unix:", 5)==0) { #ifdef USOCKS connectionItem *ci = new acceptItemUNIX(spec+5, readonly); return ci; #else fprintf(stderr, "Unix sockets not supported on this host\n"); exit(1); #endif } else { fprintf(stderr, "Invalid socket spec '%s'\n", spec); exit(1); } } acceptItem::~acceptItem() { if (_fd >= 0) close(_fd); PRINTF("~acceptItem()\n"); } // Accept item constructor // This opens a socket, binds it to the decided port, // and sets it to listen mode acceptItemTCP::acceptItemTCP(const sockaddr_in &addr, bool readonly) :acceptItem(readonly) ,addr(addr) { char myname[128] = "\0"; inet_ntop(AF_INET, &addr.sin_addr, myname, sizeof(myname)-1); myname[sizeof(myname)-1] = '\0'; remakeConnection(); PRINTF("Created new telnet TCP listener (acceptItem %p) at %s:%d (read%s)\n", this, myname, ntohs(addr.sin_port), readonly?"only":"/write"); } void acceptItemTCP::remakeConnection() { int optval = 1; int bindStatus; _fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); if (_fd < 0) { PRINTF("Socket error: %s\n", strerror(errno)); throw errno; } setsockopt(_fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); #ifdef SOLARIS setsockopt(_fd, SOL_SOCKET, SO_EXCLBIND, &optval, sizeof(optval)); #endif #ifdef _WIN32 setsockopt(_fd, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, &optval, sizeof(optval)); #endif bindStatus = bind(_fd, (struct sockaddr *) &addr, sizeof(addr)); if (bindStatus < 0) { PRINTF("Bind error: %s\n", strerror(errno)); throw errno; } else PRINTF("Bind returned %d\n", bindStatus); if (listen(_fd, 5) < 0) { PRINTF("Listen error: %s\n", strerror(errno)); throw errno; } socklen_t slen = sizeof(addr); getsockname(_fd, (struct sockaddr *) &addr, &slen); PRINTF("Listening on fd %d\n", _fd); return; } #ifdef USOCKS acceptItemUNIX::acceptItemUNIX(const char *path, bool readonly) :acceptItem(readonly) ,uid(getuid()) ,gid(getgid()) ,perms(0666) // default permissions equivalent to tcp bind to localhost ,abstract(false) { /* must be one of * "/path/sock" * "user:grp:perm:/path/sock" * "@/path/of/sock" # abstract socket */ std::string spec(path); size_t sep(spec.find_first_of(':')); if(sep!=spec.npos) { size_t sep2(spec.find_first_of(':', sep+1)), sep3(spec.find_first_of(':', sep2+1)); if(sep2==spec.npos || sep3==spec.npos) { fprintf(stderr, "Unix path+permissions spec unparsable '%s'\n", path); exit(1); } std::string user(spec.substr(0,sep)), grp (spec.substr(sep+1, sep2-sep-1)), perm(spec.substr(sep2+1, sep3-sep2-1)); if(!user.empty()) { struct passwd *uinfo = getpwnam(user.c_str()); if(!uinfo) { fprintf(stderr, "Unknown user '%s'\n", user.c_str()); exit(1); } uid = uinfo->pw_uid; gid = uinfo->pw_gid; } if(!grp.empty()) { struct group *ginfo = getgrnam(grp.c_str()); if(!ginfo) { fprintf(stderr, "Unknown group '%s'\n", grp.c_str()); exit(1); } gid =ginfo->gr_gid; } if(!perm.empty()) { perms = strtoul(perm.c_str(), NULL, 8); } spec = spec.substr(sep3+1); } if(spec.empty()) { fprintf(stderr, "expected unix socket path spec.\n"); exit(1); } /* Abstract unix sockets are a linux specific feature whereby * the socket has a "path" name associated with it, but no presence * in the filesystem (and no associated permission check). * Analogous to IP bound to localhost with a name string * instead of a port number. * We denote an abstract socket with a leading '@'. */ abstract = spec[0]=='@'; #ifndef __linux__ if(abstract) { fprintf(stderr, "Abstract unix sockets not supported by this host\n"); exit(1); } #endif memset(&addr, 0, sizeof(addr)); addr.sun_family = AF_UNIX; if(spec.size()>=sizeof(addr.sun_path)) { fprintf(stderr, "Unix path is too long (must be <%zu)\n", sizeof(addr.sun_path)); exit(1); } // see unix(7) man-page addrlen = offsetof(struct sockaddr_un, sun_path) + spec.size() + 1; memcpy(addr.sun_path, spec.c_str(), spec.size()+1); PRINTF("Created new telnet UNIX listener (acceptItem %p) at '%s' (read%s)\n", this, addr.sun_path, readonly?"only":"/write"); /* signal an abstract socket with a *leading* nil. * We replace the '@' * and reduce addrlen to *not* include the trailing nil. * To quote unix(7) manpage * "Null bytes in the name have no special significance." */ if(abstract) { addr.sun_path[0] = '\0'; addrlen--; } remakeConnection(); } acceptItemUNIX::~acceptItemUNIX() { if(!abstract) unlink(addr.sun_path); } void acceptItemUNIX::remakeConnection() { int bindStatus; if(!abstract && unlink(addr.sun_path) < 0) { if(errno!=ENOENT) { PRINTF("Failed to remove unix socket at '%s' : %s\n", addr.sun_path, strerror(errno)); throw errno; // Nooooo! } } _fd = socket(AF_UNIX, SOCK_STREAM, 0); if (_fd < 0) { PRINTF("Socket error: %s\n", strerror(errno)); throw errno; } bindStatus = bind(_fd, (struct sockaddr *) &addr, addrlen); if (bindStatus < 0) { PRINTF("Bind error: %s\n", strerror(errno)); throw errno; } else PRINTF("Bind returned %d\n", bindStatus); if (listen(_fd, 5) < 0) { PRINTF("Listen error: %s\n", strerror(errno)); throw errno; } if(!abstract) { if(chmod(addr.sun_path, 0)<0) PRINTF("Can't chmod %u unix socket : %s\n", 0, strerror(errno)); if(chown(addr.sun_path, uid, gid)) PRINTF("Can't chown %u:%u unix socket : %s\n", uid, gid, strerror(errno)); if(chmod(addr.sun_path, perms)<0) PRINTF("Can't chmod %u unix socket : %s\n", perms, strerror(errno)); } PRINTF("Listening on fd %d\n", _fd); return; } #endif // Accept connection and create a new connectionItem for it. void acceptItem::readFromFd(void) { int newFd; struct sockaddr addr; socklen_t len = sizeof(addr); newFd = accept( _fd, &addr, &len ); if (newFd >= 0) { PRINTF("acceptItem: Accepted connection on handle %d\n", newFd); AddConnection(clientFactory(newFd, _readonly)); } else { PRINTF("Accept error: %s\n", strerror(errno)); // on Cygwin got error EINVAL remakeConnection(); } } // Send characters to client int acceptItem::Send (const char * buf, int count) { // Makes no sense to send to the listening socket return true; } procServ-2.7.0/NEWS0000644000175000017500000000004713037675771010764 00000000000000https://github.com/ralphlange/procServ procServ-2.7.0/Makefile.Epics.in0000644000175000017500000000147213037675771013377 00000000000000# Process Server (for soft IOCs) # David H. Thompson 8/29/2003 # Ralph Lange 03/17/2010 # GNU Public License (GPLv3) applies - see www.gnu.org TOP=@EPICS_TOP@ include $(TOP)/configure/CONFIG A2X = a2x A2X_FLAGS = -a revdate=@PACKAGE_DATE@ -a revnumber=@PACKAGE_VERSION@ PROD_HOST = procServ procServ_SRCS = procServ.cc connectionItem.cc acceptFactory.cc \ clientFactory.cc processFactory.cc procServ_OBJS = @LIBOBJS@ USR_CXXFLAGS += @DEFS@ procServ_SYS_LIBS += $(subst -l,,@LIBS@) include $(TOP)/configure/RULES maintainer-clean:: realclean rm -f Makefile doc: procServ.1 procServ.pdf procServ.html procServ.1: procServ.txt $(A2X) $(A2X_FLAGS) -f manpage $< procServ.pdf: procServ.txt $(A2X) $(A2X_FLAGS) -f pdf $< procServ.html: procServ.txt $(A2X) $(A2X_FLAGS) -f xhtml $< procServ-2.7.0/procServ.10000644000175000017500000003563513037676067012164 00000000000000'\" t .\" Title: procserv .\" Author: [see the "AUTHORS" section] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: 01/18/2017 .\" Manual: procServ Manual .\" Source: procServ 2.7.0 .\" Language: English .\" .TH "PROCSERV" "1" "01/18/2017" "procServ 2\&.7\&.0" "procServ Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" procServ \- Process Server with Telnet Console and Log Access .SH "SYNOPSIS" .sp \fBprocServ\fR [\fIOPTIONS\fR] \-P \fIendpoint\fR\&... \fIcommand\fR \fIargs\fR\&... .sp \fBprocServ\fR [\fIOPTIONS\fR] \fIendpoint\fR \fIcommand\fR \fIargs\fR\&... .SH "DESCRIPTION" .sp procServ(1) creates a run time environment for a command (e\&.g\&. a soft IOC)\&. It forks a server run as a daemon into the background, which creates a child process running \fIcommand\fR with all remaining \fIargs\fR from the command line\&. The server provides control access (stdin/stdout) to the child process console by offering a telnet connection at the specified \fIendpoint\fR(s)\&. .sp An \fIendpoint\fR can either be a TCP server socket (specified by the port number) or a UNIX domain socket (where available)\&. See ENDPOINT SPECIFICATION below for details\&. For security reasons, control access is restricted to connections from localhost (127\&.0\&.0\&.1), so that a prior login in to the host machine is required\&. (See \fB\-\-allow\fR option\&.) .sp The first variant allows multiple \fIendpoint\fR declarations and treats all non\-option arguments as the command line for the child process\&. The second variant (provided for backward compatibility) declares one \fIendpoint\fR with its specification taken from the first non\-option argument\&. .sp procServ can be configured to write a console log of all in\- and output of the child process into a file using the \fB\-L\fR (\fB\-\-logfile\fR) option\&. Sending the signal SIGHUP to the server will make it reopen the log file\&. .sp To facilitate running under a central console access management (like conserver), the \fB\-l\fR (\fB\-\-logport\fR) option creates an additional endpoint, which is by default public (i\&.e\&. TCP access is not restricted to connections from localhost), and provides read\-only (log) access to the child\(cqs console\&. The \fB\-r\fR (\fB\-\-restrict\fR) option restricts both control and log access to connections from localhost\&. .sp Both control and log endpoints allow multiple connections, which are handled transparently: all input from control connections is forwarded to the child process, all output from the child is forwarded to all control and log connections (and written to the log file)\&. All diagnostic messages from the procServ server process start with "@@@" to be clearly distinguishable from child process messages\&. A name specified by the \fB\-n\fR (\fB\-\-name\fR) option will replace the command string in many messages for increased readability\&. .sp The server will by default automatically respawn the child process when it dies\&. To avoid spinning, a minimum time between child process restarts is honored (default: 15 seconds, can be changed using the \fB\-\-holdoff\fR option)\&. This behavior can be toggled online using the toggle command ^T, the default may be changed using the \fB\-\-noautorestart\fR option\&. You can restart a running child manually by sending a signal to the child process using the kill command ^X\&. With the child process being shut down, the server accepts two commands: ^R or ^X to restart the child, and ^Q to quit the server\&. The \fB\-w\fR (\fB\-\-wait\fR) option starts the server in this shut down mode, waiting for a control connection to issue a manual start command to spawn the child\&. .sp Any connection (control or log) can be disconnected using the client\(cqs disconnect sequence\&. Control connections can also be disconnected by sending the logout command character that can be specified using the \fB\-x\fR (\fB\-\-logoutcmd\fR) option\&. .sp To block input characters that are potentially dangerous to the child (e\&.g\&. ^D and ^C on soft IOCs), the \fB\-i\fR (\fB\-\-ignore\fR) option can be used to specify characters that are silently ignored when coming from a control connection\&. .sp To facilitate being started and stopped as a standard system service, the \fB\-p\fR (\fB\-\-pidfile\fR) option tells the server to create a PID file containing the PID of the server process\&. The \fB\-I\fR (\fB\-\-info\-file\fR) option writes a file listing the server PID and a list of all endpoints\&. .sp The \fB\-d\fR (\fB\-\-debug\fR) option runs the server in debug mode: the daemon process stays in the foreground, printing all regular log content plus additional debug messages to stdout\&. .SH "ENDPOINT SPECIFICATION" .sp Both control and log endpoints may be bound to either TCP or UNIX sockets (where supported)\&. Allowed endpoint specifications are: .PP \fB\fR .RS 4 Bind to either 0\&.0\&.0\&.0:\fI\fR (any) or 127\&.0\&.0\&.1:\fI\fR (localhost) depending on the type of endpoint and the setting of \fB\-r\fR (\fB\-\-restrict\fR) and \fB\-\-allow\fR options\&. .RE .PP \fB:\fR .RS 4 Bind to the specified interface address and \fI\fR\&. The interface IP address \fI\fR must be given in numeric form\&. Uses 127\&.0\&.0\&.1 (localhost) for security reasons unless the \fB\-\-allow\fR option is also used\&. .RE .PP \fBunix:\fR .RS 4 Bind to a named unix domain socket that will be created at the specified absolute or relative path\&. The server process must have permission to create files in the enclosing directory\&. The socket file will be owned by the uid and primary gid of the procServ server process with permissions 0666 (equivalent to a TCP socket bound to localhost)\&. .RE .PP \fBunix::::\fR .RS 4 Bind to a named unix domain socket that will be created at the specified absolute or relative path\&. The server process must have permission to create files in the enclosing directory\&. The socket file will be owned by the specified \fI\fR and \fI\fR with \fI\fR permissions\&. Any of \fI\fR, \fI\fR, and/or \fI\fR may be omitted\&. E\&.g\&. "\-P unix::grp:0660:/run/procServ/foo/control" will create the named socket with 0660 permissions and allow the "grp" group connect to it\&. This requires that procServ be run as root or a member of "grp"\&. .RE .PP \fBunix:@\fR .RS 4 Bind to an abstract unix domain socket (Linux specific)\&. Abstract sockets do not exist on the filesystem, and have no permissions checks\&. They are functionally similar to a TCP socket bound to localhost, but identified with a name string instead of a port number\&. .RE .SH "OPTIONS" .PP \fB\-\-allow\fR .RS 4 Allow TCP control connections from anywhere\&. (Default: restrict control access to connections from localhost\&.) Creates a serious security hole, as telnet clients from anywhere can connect to the child\(cqs stdin/stdout and might execute arbitrary commands on the host if the child permits\&. Needs to be enabled at compile\-time (see Makefile)\&. Please do not enable and use this option unless you exactly know why and what you are doing\&. .RE .PP \fB\-\-autorestartcmd\fR=\fIchar\fR .RS 4 Toggle auto restart flag when \fIchar\fR is sent on a control connection\&. Use ^ to specify a control character, "" to disable\&. Default is ^T\&. .RE .PP \fB\-\-coresize\fR=\fIsize\fR .RS 4 Set the maximum \fIsize\fR of core file\&. See getrlimit(2) documentation for details\&. Setting \fIsize\fR to 0 will keep child from creating core files\&. .RE .PP \fB\-c, \-\-chdir\fR=\fIdir\fR .RS 4 Change directory to \fIdir\fR before starting the child\&. This is done each time the child is started to make sure symbolic links are properly resolved on child restart\&. .RE .PP \fB\-d, \-\-debug\fR .RS 4 Enter debug mode\&. Debug mode will keep the server process in the foreground and enables diagnostic messages that will be sent to the controlling terminal\&. .RE .PP \fB\-e, \-\-exec\fR=\fIfile\fR .RS 4 Run \fIfile\fR as executable for child\&. Default is \fIcommand\fR\&. .RE .PP \fB\-f, \-\-foreground\fR .RS 4 Keep the server process in the foreground and connected to the controlling terminal\&. .RE .PP \fB\-h, \-\-help\fR .RS 4 Print help message\&. .RE .PP \fB\-\-holdoff\fR=\fIn\fR .RS 4 Wait at least \fIn\fR seconds between child restart attempts\&. (Default is 15 seconds\&.) .RE .PP \fB\-i, \-\-ignore\fR=\fIchars\fR .RS 4 Ignore all characters in \fIchars\fR on control connections\&. This can be used to shield the child process from input characters that are potentially dangerous, e\&.g\&. ^D and ^C characters that would shut down a soft IOC\&. Use ^ to specify control characters, ^^ to specify a single ^ character\&. .RE .PP *\-I, \-\-info\-file .RS 4 Write instance information to this file\&. .RE .PP \fB\-k, \-\-killcmd\fR=\fIchar\fR .RS 4 Kill the child process (child will be restarted automatically by default) when \fIchar\fR is sent on a control connection\&. Use ^ to specify a control character, "" for no kill command\&. Default is ^X\&. .RE .PP \fB\-\-killsig\fR=\fIsignal\fR .RS 4 Kill the child using \fIsignal\fR when receiving the kill command\&. Default is 9 (SIGKILL)\&. .RE .PP \fB\-l, \-\-logport\fR=\fIendpoint\fR .RS 4 Provide read\-only log access to the child\(cqs console on \fIendpoint\fR\&. See ENDPOINT SPECIFICATION above\&. By default, TCP log endpoints allow connections from anywhere\&. Use the \fB\-r\fR (\fB\-\-restrict\fR) option to restrict TCP access to local connections\&. .RE .PP \fB\-L, \-\-logfile\fR=\fIfile\fR .RS 4 Write a console log of all in and output to \fIfile\fR\&. \fI\-\fR selects stdout\&. .RE .PP \fB\-\-logstamp\fR[=\fIfmt\fR] .RS 4 Prefix lines in logs with a time stamp, setting the time stamp format string to \fIfmt\fR\&. Default is "[] "\&. (See \fB\-\-timefmt\fR option\&.) .RE .PP \fB\-n, \-\-name\fR=\fItitle\fR .RS 4 In all server messages, use \fItitle\fR instead of the full command line to increase readability\&. .RE .PP \fB\-\-noautorestart\fR .RS 4 Do not automatically restart child process on exit\&. .RE .PP \fB\-P, \-\-port\fR=\fIendpoint\fR .RS 4 Provide control access to the child\(cqs console on \fIendpoint\fR\&. See ENDPOINT SPECIFICATION above\&. By default, TCP control endpoints are restricted to local connections\&. Use the \fB\-\-allow\fR option to allow TCP access from anywhere\&. .RE .PP \fB\-p, \-\-pidfile\fR=\fIfile\fR .RS 4 Write the PID of the server process into \fIfile\fR\&. .RE .PP \fB\-\-timefmt\fR=\fIfmt\fR .RS 4 Set the format string used to print time stamps to \fIfmt\fR\&. Default is "%c"\&. (See strftime(3) documentation for details\&.) .RE .PP \fB\-q, \-\-quiet\fR .RS 4 Do not write informational output (server)\&. Avoids cluttering the screen when run as part of a system script\&. .RE .PP \fB\-\-restrict\fR .RS 4 Restrict TCP access (control and log) to connections from localhost\&. .RE .PP \fB\-V, \-\-version\fR .RS 4 Print program version\&. .RE .PP \fB\-w, \-\-wait\fR .RS 4 Do not start the child immediately\&. Instead, wait for a control connection and a manual start command\&. .RE .PP \fB\-x, \-\-logoutcmd\fR=\fIchar\fR .RS 4 Log out (close client connection) when \fIchar\fR is sent on an control connection\&. Use ^ to specify a control character\&. Default is empty\&. .RE .SH "USAGE" .sp To start a soft IOC using procServ, change the directory into the IOC\(cqs boot directory\&. A typical command line would be .sp .if n \{\ .RS 4 .\} .nf procServ \-n "My SoftIOC" \-i ^D^C 20000 \&./st\&.cmd .fi .if n \{\ .RE .\} .sp To connect to the IOC, log into the soft IOC\(cqs host and connect to port 20000 using .sp .if n \{\ .RS 4 .\} .nf telnet localhost 20000 .fi .if n \{\ .RE .\} .sp To connect from a remote machine, ssh to a user account on procservhost and connect to port 20000 using .sp .if n \{\ .RS 4 .\} .nf ssh \-t user@procservhost telnet localhost 20000 .fi .if n \{\ .RE .\} .sp You will be connected to the soft IOCs console and receive an informative welcome message\&. All output from the procServ server will start with "@@@" to allow telling it apart from messages that your IOC sends\&. .sp .if n \{\ .RS 4 .\} .nf > telnet localhost 20000 Trying 127\&.0\&.0\&.1\&.\&.\&. Connected to localhost\&. Escape character is \*(Aq^]\*(Aq\&. @@@ Welcome to the procServ process server (procServ Version 2\&.1\&.0) @@@ Use ^X to kill the child, auto restart is ON, use ^T to toggle auto restart @@@ procServ server PID: 21413 @@@ Startup directory: /projects/ctl/lange/epics/ioc/test314/iocBoot/iocexample @@@ Child "My SoftIOC" started as: \&./st\&.cmd @@@ Child "My SoftIOC" PID: 21414 @@@ procServ server started at: Fri Apr 25 16:43:00 2008 @@@ Child "My SoftIOC" started at: Fri Apr 25 16:43:00 2008 @@@ 0 user(s) and 0 logger(s) connected (plus you) .fi .if n \{\ .RE .\} .sp Type the kill command character ^X to reboot the soft IOC and get server messages about this action\&. .sp Type the telnet escape character ^] to get back to a telnet prompt then "quit" to exit telnet (and ssh when you were connecting remotely)\&. .sp Though procServ was originally intended to be an environment to run soft IOCs, an arbitrary process might be started as child\&. It provides an environment for any program that requires access to its console, while running in the background as a daemon, and keeping a log by writing a file or through a console access and logging facility (such as conserver)\&. .SH "ENVIRONMENT VARIABLES" .PP \fBPROCSERV_PID\fR .RS 4 Sets the file name to write the PID of the server process into\&. (See \fB\-p\fR option\&.) .RE .PP \fBPROCSERV_DEBUG\fR .RS 4 If set, procServ starts in debug mode\&. (See \fB\-d\fR option\&.) .RE .SH "KNOWN PROBLEMS" .sp None so far\&. .SH "REPORTING BUGS" .sp Please report bugs using the issue tracker at https://github\&.com/ralphlange/procServ/issues\&. .SH "AUTHORS" .sp Originally written by David H\&. Thompson (ORNL)\&. Current author: Ralph Lange \&. .SH "RESOURCES" .sp GitHub project: https://github\&.com/ralphlange/procServ .SH "COPYING" .sp All copyrights reserved\&. Free use of this software is granted under the terms of the GNU General Public License (GPLv3)\&. procServ-2.7.0/procServ.cc0000644000175000017500000007642413037675771012413 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2017 // Ambroz Bizjak 02/29/2016 // Freddie Akeroyd 2016 // Michael Davidsaver 2017 // GNU Public License (GPLv3) applies - see www.gnu.org #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef __CYGWIN__ #include #endif /* __CYGWIN__ */ #include "procServ.h" // Wrapper to ignore return values template inline void ignore_result(T /* unused result */) {} #ifdef ALLOW_FROM_ANYWHERE const bool enableAllow = true; // Enable --allow option #else const bool enableAllow = false; // Default: NO #endif bool inDebugMode; // This enables a lot of printfs bool inFgMode = false; // This keeps child in the foreground, tty connected bool logPortLocal; // This restricts log port access to localhost bool ctlPortLocal = true; // Restrict control connections to localhost bool autoRestart = true; // Enables instant restart of exiting child bool waitForManualStart = false; // Waits for telnet cmd to manually start child volatile bool shutdownServer = false; // To keep the server from shutting down bool quiet = false; // Suppress info output (server) bool setCoreSize = false; // Set core size for child bool singleEndpointStyle = true; // Compatibility style: first non-option is endpoint char *procservName; // The name of this beast (server) char *childName; // The name of that beast (child) char *childExec; // Exec to run as child char **childArgv; // Argv for child process int connectionNo; // Total number of connections char *ignChars = NULL; // Characters to ignore char killChar = 0x18; // Kill command character (default: ^X) char toggleRestartChar = 0x14; // Toggle autorestart character (default: ^T) char restartChar = 0x12; // Restart character (default: ^R) char quitChar = 0x11; // Quit character (default: ^Q) char logoutChar = 0x00; // Logout client connection character (default: none) int killSig = SIGKILL; // Kill signal (default: SIGKILL) rlim_t coreSize; // Max core size for child char *chDir; // Directory to change to before starting child char *myDir; // Directory where server was started time_t holdoffTime = 15; // Holdoff time between child restarts (in seconds) pid_t procservPid; // PID of server (daemon if not in debug mode) char *pidFile; // File name for server PID char defaultpidFile[] = "pid.txt"; // default const char *timeFormat = "%c"; // Time format string char defaulttimeFormat[] = "%c"; // default bool stampLog = false; // Prefix log lines with time stamp const char *stampFormat; // Log time stamp format string const size_t INFO1LEN = 512; const size_t INFO2LEN = 128; const size_t INFO3LEN = 128; char infoMessage1[INFO1LEN]; // Sign on message: server PID, child pwd and command line char infoMessage2[INFO2LEN]; // Sign on message: child PID char infoMessage3[INFO3LEN]; // Sign on message: available server commands char *logFile = NULL; // File name for log int logFileFD=-1; // FD for log file char *logPort; // address for logger connections int debugFD=-1; // FD for debug output #define MAX_CONNECTIONS 64 // mLoop runs the program void mLoop(); // Handles houskeeping void OnPollTimeout(); // Daemonizes the program void forkAndGo(); // Checks the command file (existence and access rights) int checkCommandFile(const char *command); void openLogFile(); void writeInfoFile(const std::string& infofile); void ttySetCharNoEcho(bool save); // Signal handlers static void OnSigPipe(int); static void OnSigTerm(int); static void OnSigHup(int); // Flags used for communication between sig handler and main() static volatile sig_atomic_t sigPipeSet; static volatile sig_atomic_t sigTermSet; static volatile sig_atomic_t sigHupSet; void writePidFile() { int pid = getpid(); FILE * fp; PRINTF("Writing PID file %s\n", pidFile); fp = fopen( pidFile, "w" ); // Don't stop here - just go without if (fp == NULL) { fprintf( stderr, "%s: unable to open PID file %s\n", procservName, pidFile ); return; } fprintf(fp, "%d\n", pid); fclose(fp); } char getOptionChar ( const char* buf ) { if ( buf == NULL || buf[0] == 0 ) return 0; if ( buf[0] == '^' && buf[1] == '^' ) { return '^'; } else if ( buf[0] == '^' && buf[1] >= 'A' && buf[1] <= 'Z' ) { return buf[1] - 64; } else { return buf[0]; } } void printUsage() { printf("Usage: %s [options] -P ... (-h for help)\n" " %s [options] \n", procservName, procservName); } void printHelp() { printUsage(); printf(": endpoint to use for control connections\n" " TCP on local/all interfaces (see --allow/--restrict)\n" " : TCP on specific IP (numeric)\n" " unix: UNIX domain socket at (@... for abstract)\n" " command line to start child process\n" "Options:\n" " --allow allow control connections from anywhere\n" " --autorestartcmd command to toggle auto restart flag (^ for ctrl)\n" " --coresize set maximum core size for child to \n" " -c --chdir

change directory to before starting child\n" " -d --debug debug mode (keeps child in foreground)\n" " -e --exec specify child executable (default: arg0 of )\n" " -f --foreground keep child in foreground (interactive)\n" " -h --help print this message\n" " --holdoff set holdoff time [sec] between child restarts\n" " -i --ignore ignore all chars in (^ for ctrl)\n" " -I --info-file write instance information to this file\n" " -k --killcmd command to kill (reboot) the child (^ for ctrl)\n" " --killsig signal to send to child when killing\n" " -l --logport allow log connections through telnet \n" " -L --logfile write log to , '-' logs to stdout\n" " --logstamp [] prefix log lines with timestamp [strftime format]\n" " -n --name set child's name (default: arg0 of )\n" " --noautorestart do not restart child on exit by default\n" " -p --pidfile write PID file (for server PID)\n" " -P --port allow control connections through telnet \n" " -q --quiet suppress informational output (server)\n" " --restrict restrict log access to connections from localhost\n" " --timefmt set time format (strftime) to \n" " -V --version print program version\n" " -w --wait wait for cmd on control connection to start child\n" " -x --logoutcmd command to logout client connection (^ for ctrl)\n" ); } void printVersion() { printf(PROCSERV_VERSION_STRING "\n"); } int main(int argc,char * argv[]) { int c; unsigned int i, j; int k; std::vector ctlSpecs; char *command; bool bailout = false; const size_t BUFLEN = 512; char buff[BUFLEN]; std::string infofile; time(&procServStart); // remember start time procservName = argv[0]; myDir = getcwd(NULL, 512); chDir = myDir; timeFormat = defaulttimeFormat; pidFile = getenv( "PROCSERV_PID" ); if ( !pidFile || strlen(pidFile) == 0 ) pidFile = defaultpidFile; if ( getenv("PROCSERV_DEBUG") != NULL ) inDebugMode = true; const int ONE_CHAR_COMMANDS = 3; // togglerestartcmd, killcmd, logoutcmd while (1) { static struct option long_options[] = { {"allow", no_argument, 0, 'A'}, {"autorestartcmd", required_argument, 0, 'T'}, {"coresize", required_argument, 0, 'C'}, {"chdir", required_argument, 0, 'c'}, {"debug", no_argument, 0, 'd'}, {"exec", required_argument, 0, 'e'}, {"foreground", no_argument, 0, 'f'}, {"help", no_argument, 0, 'h'}, {"holdoff", required_argument, 0, 'H'}, {"ignore", required_argument, 0, 'i'}, {"info-file", required_argument, 0, 'I'}, {"killcmd", required_argument, 0, 'k'}, {"killsig", required_argument, 0, 'K'}, {"logport", required_argument, 0, 'l'}, {"logfile", required_argument, 0, 'L'}, {"logstamp", optional_argument, 0, 'S'}, {"name", required_argument, 0, 'n'}, {"noautorestart", no_argument, 0, 'N'}, {"pidfile", required_argument, 0, 'p'}, {"port", required_argument, 0, 'P'}, {"quiet", no_argument, 0, 'q'}, {"restrict", no_argument, 0, 'R'}, {"timefmt", required_argument, 0, 'F'}, {"version", no_argument, 0, 'V'}, {"wait", no_argument, 0, 'w'}, {"logoutcmd", required_argument, 0, 'x'}, {0, 0, 0, 0} }; /* getopt_long stores the option index here. */ int option_index = 0; c = getopt_long (argc, argv, "+c:de:fhi:I:k:l:L:n:p:P:qVwx:", long_options, &option_index); /* Detect the end of the options. */ if (c == -1) break; switch (c) { case 'A': // Allow connecting from anywhere if ( enableAllow ) ctlPortLocal = false; else fprintf( stderr, "%s: --allow not supported\n", procservName ); break; case 'C': // Core size k = atoi( optarg ); if ( k >= 0 ) { coreSize = k; setCoreSize = true; } break; case 'c': // Dir to change to chDir = strdup( optarg ); break; case 'd': // Debug mode inDebugMode = true; break; case 'e': // Child executable childExec = strdup( optarg ); break; case 'f': // Foreground mode inFgMode = true; break; case 'F': // Time string format timeFormat = strdup(optarg); break; case 'S': // Log time stamp format stampLog = true; if (optarg) stampFormat = strdup(optarg); break; case 'h': // Help printHelp(); exit(0); case 'H': // Holdoff time k = atoi( optarg ); if ( k >= 0 ) holdoffTime = k; break; case 'i': // Ignore characters ignChars = (char*) calloc( strlen(optarg) + 1 + ONE_CHAR_COMMANDS, 1); i = j = 0; // ^ escapes (CTRL) while ( i <= strlen(optarg) ) { if ( optarg[i] == '^' && optarg[i+1] == '^' ) { ignChars[j++] = '^'; i += 2 ; } else if ( optarg[i] == '^' && optarg[i+1] >= 'A' && optarg[i+1] <= 'Z' ) { ignChars[j++] = optarg[i+1] - 64; i += 2; } else { ignChars[j++] = optarg[i++]; } } break; case 'I': // Info file infofile = optarg; break; case 'k': // Kill command killChar = getOptionChar ( optarg ); break; case 'K': // Kill signal i = abs( atoi( optarg ) ); if ( i < 32 ) { killSig = i; } else { fprintf( stderr, "%s: invalid kill signal %d (>31) - using default (%d)\n", procservName, i, killSig ); } break; case 'l': // Log port logPort = strdup ( optarg ); break; case 'L': // Log file logFile = strdup( optarg ); break; case 'n': // Name childName = strdup( optarg ); break; case 'N': // No restart of child autoRestart = false; break; case 'R': // Restrict log logPortLocal = true; break; case 'p': // PID file pidFile = strdup( optarg ); break; case 'P': // Control port ctlSpecs.push_back(optarg); singleEndpointStyle = false; break; case 'q': // Quiet quiet = true; break; case 'V': // Version printVersion(); exit(0); case 'w': // Wait for manual start waitForManualStart = true; break; case 'x': // Logout command logoutChar = getOptionChar(optarg); break; case 'T': // Toggle auto restart command toggleRestartChar = getOptionChar ( optarg ); break; case '?': // Error /* getopt_long already printed an error message */ bailout = true; break; default: abort (); } } if ((argc - optind) < (singleEndpointStyle ? 2 : 1)) { fprintf(stderr, "%s: missing argument\n", procservName); bailout = true; } if (bailout) { printUsage(); exit(1); } // Single command characters should be ignored, too if (ignChars == NULL && (killChar || toggleRestartChar || logoutChar)) ignChars = (char*) calloc(1 + ONE_CHAR_COMMANDS, 1); if (killChar) strncat (ignChars, &killChar, 1); if (toggleRestartChar) strncat (ignChars, &toggleRestartChar, 1); if (logoutChar) strncat (ignChars, &logoutChar, 1); // Set up available server commands message PRINTF("Setting up messages\n"); snprintf(infoMessage3, INFO3LEN,\ "@@@ %s%c or %s%c restarts the child, %s%c quits the server", CTL_SC(restartChar), CTL_SC(killChar), CTL_SC(quitChar)); if (logoutChar) { snprintf(buff, BUFLEN, ", %s%c closes this connection", CTL_SC(logoutChar)); strncat(infoMessage3, buff, INFO3LEN-strlen(infoMessage3)-1); } strncat(infoMessage3, NL, INFO3LEN-strlen(infoMessage3)-1); if (singleEndpointStyle) { ctlSpecs.push_back(argv[optind++]); } command = argv[optind]; if (childName == NULL) childName = command; childArgv = argv + optind - 1; if (childExec == NULL) { childArgv++; childExec = command; } if (!stampFormat) { if (stampFormat) { char *tmp = (char*) calloc(strlen(timeFormat)+4, 1); sprintf(tmp, "[%s] ", timeFormat); stampFormat = tmp; } else { stampFormat = timeFormat; } } if (checkCommandFile(childExec)) exit(errno); struct sigaction sig; memset(&sig, 0, sizeof(sig)); PRINTF("Installing signal handlers\n"); // SIGPIPE, SIGTERM and SIGHUP will be handled in the main loop // with the assistance of pselect. This means that we have them // blocked outside of pselect call, but unblocked atomically // within pselect. Each time pselect returns, we safely check if // any of the signals were received. // Block the signals that we bill be handling in the main loop. // At the same time, retrieve the original signal mask before // blocking, to be passed to pselect. sigset_t sigset_block; sigset_t sigset_pselect; sigemptyset(&sigset_block); sigaddset(&sigset_block, SIGPIPE); sigaddset(&sigset_block, SIGTERM); sigaddset(&sigset_block, SIGHUP); sigprocmask(SIG_BLOCK, &sigset_block, &sigset_pselect); sig.sa_handler = &OnSigPipe; // sigaction() needed for Solaris sigaction(SIGPIPE, &sig, NULL); sig.sa_handler = &OnSigTerm; sigaction(SIGTERM, &sig, NULL); sig.sa_handler = &OnSigHup; sigaction(SIGHUP, &sig, NULL); sig.sa_handler = SIG_IGN; sigaction(SIGXFSZ, &sig, NULL); if (inFgMode) { sig.sa_handler = SIG_IGN; sigaction(SIGINT, &sig, NULL); sig.sa_handler = SIG_IGN; sigaction(SIGQUIT, &sig, NULL); } // Make an accept item to listen for control connections PRINTF("Creating control listener\n"); try { for(size_t i=0; igetFd()) > -1) { // Connection needs to be watched if (fd > nFd) nFd = fd; FD_SET(fd, &fdset); } p = p->next; } nFd++; timeout.tv_sec = 0; // select() timeout: 0.5 sec timeout.tv_nsec = 500000000l; ready = pselect(nFd, &fdset, NULL, NULL, &timeout, &sigset_pselect); // Handle signals for which signal handlers were called while in pselect. if (sigPipeSet) { sigPipeSet = 0; sprintf( buf, "@@@ Got a sigPipe signal: Did the child close its tty?" NL); SendToAll( buf, strlen(buf), NULL ); } if (sigTermSet) { sigTermSet = 0; PRINTF("SigTerm received\n"); processFactorySendSignal(killSig); shutdownServer = true; } if (sigHupSet) { sigHupSet = 0; PRINTF("SigHup received\n"); openLogFile(); } if (0 == ready) { // Timeout // Go clean up dead connections OnPollTimeout(); connectionItem * npi; // Pick up the process item if it dies // This call returns NULL if the process item lives if (processFactoryNeedsRestart()) { npi= processFactory(childExec, childArgv); if (npi) AddConnection(npi); } } else if (-1 == ready) { // Error if (EINTR != errno) { perror("Error in select() call"); } } else { // Work to be done // Loop through all connections p = connectionItem::head; while (p) { if (FD_ISSET(p->getFd(), &fdset)) p->readFromFd(); p = p->next; } OnPollTimeout(); } } ttySetCharNoEcho(false); PRINTF("Close sockets\n"); while(connectionItem::head) { connectionItem *p = connectionItem::head; connectionItem::head = p->next; delete p; } PRINTF("Cleanup pid and info files\n"); if(!infofile.empty()) unlink(infofile.c_str()); if(pidFile) unlink(pidFile); } // Connection items call this to send messages to others // // This is a party line system, messages go to everyone // // the sender's this pointer keeps it from getting its own // // messages. // // void SendToAll(const char * message, int count, const connectionItem * sender) { connectionItem * p = connectionItem::head; char stamp[64]; int len = 0; time_t now; struct tm now_tm; time(&now); localtime_r(&now, &now_tm); strftime(stamp, sizeof(stamp)-1, stampFormat, &now_tm); len = strlen(stamp); // Log the traffic to file / stdout (debug) if (sender==NULL || sender->isProcess()) { if (logFileFD > 0) { if (stampLog) { // Some OSs (Windows) do not support line buffering, so we can get parts of lines, // hence need to track of when to send timestamp static bool log_stamp_sent = false; int i = 0, j = 0; for (i = 0; i < count; ++i) { if (!log_stamp_sent) { ignore_result( write(logFileFD, stamp, len) ); log_stamp_sent = true; } if (message[i] == '\n') { ignore_result( write(logFileFD, message+j, i-j+1) ); j = i + 1; log_stamp_sent = false; } } ignore_result( write(logFileFD, message+j, count-j) ); // finish off rest of line with no newline at end } else { ignore_result( write(logFileFD, message, count) ); } fsync(logFileFD); } if (inFgMode == false && debugFD > 0) ignore_result( write(debugFD, message, count) ); } while (p) { if (p->isProcess()) { // Non-null senders that are not processes can send to processes if (sender && !sender->isProcess()) p->Send(message, count); } else { // Null senders and processes can send to connections, with time stamp if (!sender || sender->isProcess()) { if (stampLog) p->Send(stamp, len, message, count); else p->Send(message, count); } } p = p->next; } } // Handles housekeeping void OnPollTimeout() { pid_t pid; int wstatus; connectionItem *pc, *pn; const size_t BUFLEN = 128; char buf[BUFLEN] = NL; pid = waitpid(-1, &wstatus, WNOHANG); if (pid > 0 ) { pc = connectionItem::head; while (pc) { pc->markDeadIfChildIs(pid); pc=pc->next; } SendToAll(buf, strlen(buf), NULL); strcpy(buf, "@@@ @@@ @@@ @@@ @@@" NL); SendToAll(buf, strlen(buf), NULL); snprintf(buf, BUFLEN, "@@@ Received a sigChild for process %ld.", (long) pid); if (WIFEXITED(wstatus)) { snprintf(buf+strlen(buf), BUFLEN-strlen(buf), " Normal exit status = %d", WEXITSTATUS(wstatus)); } if (WIFSIGNALED(wstatus)) { snprintf(buf+strlen(buf), BUFLEN-strlen(buf), " The process was killed by signal %d", WTERMSIG(wstatus)); } strncat(buf, NL, BUFLEN-strlen(buf)-1); SendToAll(buf, strlen(buf), NULL); } // Clean up connections pc = connectionItem::head; while (pc) { pn = pc->next; if (pc->IsDead()) DeleteConnection(pc); pc = pn; } } // Call this to add the item to the list of connections void AddConnection(connectionItem * ci) { PRINTF("Adding connection %p to list\n", ci); if (connectionItem::head ) { ci->next=connectionItem::head; ci->next->prev=ci; } else ci->next=NULL; ci->prev=NULL; connectionItem::head=ci; connectionNo++; } void DeleteConnection(connectionItem *ci) { PRINTF("Deleting connection %p\n", ci); if (ci->prev) // Not the head { ci->prev->next=ci->next; } else { connectionItem::head = ci->next; } if (ci->next) ci->next->prev=ci->prev; delete ci; connectionNo--; assert(connectionNo>=0); } static void OnSigPipe(int) { sigPipeSet = 1; } static void OnSigTerm(int) { sigTermSet = 1; } static void OnSigHup(int) { sigHupSet = 1; } // Fork the daemon and exit the parent void forkAndGo() { pid_t p; int fh; if ((p = fork()) < 0) { // Fork failed perror("Could not fork daemon process"); exit(errno); } else if (p > 0) { // I am the PARENT (foreground command) if (!quiet) { fprintf(stderr, "%s: spawning daemon process: %ld\n", procservName, (long) p); if (-1 == logFileFD) { fprintf(stderr, "Warning: No log file%s specified.\n", logPort ? "" : " and no port for log connections"); } } exit(0); } else { // I am the CHILD (background daemon) procservPid = getpid(); // Redirect stdin, stdout, stderr to /dev/null char buf[] = "/dev/null"; fh = open(buf, O_RDWR); if (fh < 0) { perror(buf); exit(-1); } close(0); close(1); close(2); ignore_result( dup(fh) ); ignore_result( dup(fh) ); ignore_result( dup(fh) ); close(fh); // Make sure we are not attached to a terminal setsid(); } } // Check to see if the command is really executable: // Return 0 if the file is executable int checkCommandFile(const char * command) { struct stat s; PRINTF("Checking command file validity\n"); // chdir if possible (to allow relative command) if (chDir && chdir(chDir)) perror(chDir); if (stat(command,&s)) { perror(command); return -1; } // Back to where we came from if (chdir(myDir)) perror(myDir); if (!S_ISREG(s.st_mode)) { fprintf(stderr, "%s: %s is not a regular file\n", procservName, command); return -1; } // On Cygwin, permission bits are meaningless #ifndef __CYGWIN__ mode_t must_perm = S_IXUSR |S_IXGRP |S_IXOTH; mode_t should_perm = S_IRUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH; if (must_perm != (s.st_mode & must_perm)) { fprintf(stderr, "%s: Error - Please change permissions on %s to at least ---x--x--x\n" "procServ is not able to continue without execute permission\n", procservName, command); return -1; } if (should_perm != (s.st_mode & should_perm)) { fprintf(stderr, "%s: Warning - Please change permissions on %s to at least -r-xr-xr-x\n" "procServ may not be able to continue without read and execute permissions\n", procservName, command); return 0; } #endif /* __CYGWIN__ */ return 0; } void openLogFile() { if (-1 != logFileFD && 1 != logFileFD) { close(logFileFD); } if (logFile && strcmp(logFile, "-")==0) { logFileFD = 1; } else if (logFile) { logFileFD = open(logFile, O_CREAT|O_WRONLY|O_APPEND, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); if (-1 == logFileFD) { // Don't stop here - just go without fprintf(stderr, "%s: unable to open log file %s\n", procservName, logFile); } else { PRINTF("Opened file %s for logging\n", logFile); } } } void writeInfoFile(const std::string& infofile) { std::ofstream info(infofile.c_str()); info<<"pid:"<next) it->writeAddress(info); } void ttySetCharNoEcho(bool set) { static struct termios org_mode; static struct termios mode; static bool saved = false; if(isatty(0)!=1) return; if (set && !saved) { tcgetattr(0, &mode); org_mode = mode; saved = true; mode.c_iflag &= ~IXON; mode.c_lflag &= ~ICANON; mode.c_lflag &= ~ECHO; mode.c_cc[VMIN] = 1; tcsetattr(0, TCSANOW, &mode); } else if (saved) { tcsetattr(0, TCSANOW, &org_mode); } } connectionItem * connectionItem::head; // Globals: time_t procServStart; // Time when this IOC started time_t IOCStart; // Time when the current IOC was started procServ-2.7.0/ChangeLog0000644000175000017500000001574013037675771012045 00000000000000V 2.7.0 01/11/2017 Ralph Lange Add -P option allowing multiple endpoints. (by Michael Davidsaver) Allow UNIX domain sockets and TCP sockets bound to a specific IP:port. (by Michael Davidsaver) Add -I option to write info file with PID and list of endpoints. (by Michael Davidsaver) Fix client logout by command not working after a child restart (#4). Rework and streamline documentation. Fix compiler warnings (#12). V 2.6.1 09/21/2016 Ralph Lange Move upstream project to GitHub. Fix URL for sysv-scripts in README. Fix memory leak in ClientItem wrt libtelnet use (#2). Fix setsockopt in acceptFactory.cc to use SO_REUSEADDR rather than SO_REUSEPORT on all platforms. (by Mark Rivers) Fix setsockopt in acceptFactory.cc to use SO_EXCLUSIVEADDRUSE on WIN32 and SO_EXCLBIND on Solaris (by Mark Rivers) See this article for information: http://stackoverflow.com/questions/14388706/socket-options-so-reuseaddr-and-so-reuseport-how-do-they-differ-do-they-mean-t Fix buffer overflow vulnerabilities by replacing sprintf->snprintf, strcat->strncat (#6). Update embedded libtelnet.c to release 0.21. Cygwin: hide console command window that is being created. (by Freddie Akeroyd, Alireza Panna) Cygwin: add spawned process to a windows job object. (by Freddie Akeroyd) Killing the "process group" from Cygwin doesn't always clean everything up. E.g., if the CS Studio ArchiveEngine is being managed it is killed, but not the JVM it spawns. Job objects are inherited by spawned processes, so both are now killed automatically. Add remakeConnection() to acceptItem. (by Freddie Akeroyd) Fix procServ stopping accepting connections after a lot of connect/disconnect calls. Fix log time stamp screw-up on OSs with no line buffering (#3). (by Freddie Akeroyd) V 2.6.0 04/16/2012 Ralph Lange Fixed resource leak on Solaris (Trac #18). Replaced buggy telnet state machine with libtelnet (Trac #1, #27). Added option to keep child in foreground (Trac #16). Fixed several logfile issues (Trac #20, #22, #25). Improved README pointing to Michael Davidsaver's SysV scripts (Trac #13). Fixed several autoconf issues (Trac #19, #26). Added option to print formatted timestamps to log (Trac #21). Added option to specify the executable separately (Trac #23). Improve access bit checks on the executable (Trac #24). Added option to specify logout command character (Trac #28). Allow kill command to restart the child in wait mode (Trac #29). Remove deprecated option to specify logfile by output redirect (Trac #30). Properly test for and depend on libtelnet (Trac #31). Make toggle auto-restart command work when child is stopped (Trac #32). Changes to compile under Cygwin. V 2.5.1 03/23/2010 Ralph Lange Made procServ kill child using killsig on termination (by Matthieu Bec) (Trac #14). Added changes to compile on Solaris (Trac #11). Added changes to compile on Mac OS X (Trac #12). Added DEB package building (Trac #6). Added RPM package building (Trac #10). Fixed non-portable termios stuff (Trac #15). Fixed out-of-boundary writes and memory leaks (Trac #17). V 2.5.0 12/02/2009 Ralph Lange Improved manpage formatting (Trac #9). Added makefile wrapper for developer use (Trac #8). Fixed some minor compiler warnings (Trac #7). Added support for building within EPICS build system (Trac #4). Made time format string and holdoff time command line options (Trac #3). Added the usual autoconf-style project files: INSTALL, AUTHORS, README, ChangeLog, etc. Changed build to use GNU automake/autoconf (Trac #2). V 2.4.1 10/14/2009 Ralph Lange Uses execvp() instead of execv() - so that PATH is honored. (suggested by Steve Lewis) Larger buffers for text messages (avoid overflow with long path names). (suggested by Eric Norum) Added diagnostic message when forkpty() fails. (suggested by Eric Norum) Manpage reformatted as .txt, uses a2x to generate manpage/pdf/html. (suggested by Michael Davidsaver) New command line option -V (--version) to print program version. V 2.4.0 07/22/2008 Ralph Lange New command line option --allow to allow control connections from any host. (Must be explicitly enabled in Makefile.) New command line option -w (--wait) to start with child being shut down and wait for manual start command on control connection. Fix: Make start directory the default for directory to cd to. V 2.3.0 06/05/2008 Ralph Lange New command line option -c (--chdir) to specify to change to whenever child is restarted. (Important if symbolic link in st.cmd path is used for versioning.) Removed killing the server when child fails to exec command. V 2.2.0 05/30/2008 Ralph Lange New command line option -q (--quiet) suppresses info output (server) to avoid cluttering the output when run as part of a system script. V 2.1.1 05/22/2008 Ralph Lange Enabled -Wall fo compilation. Fixed a number of compiler warnings. V 2.1.0 04/25/2008 Ralph Lange Followed Emmanuels Mayssat's suggestion: Auto-restart-mode default can be changed by commandline option. Auto-restart-mode can be toggled online with configurable command. Server mode (child shut down) accepts two commands: restart child or quit server. V 2.0.0 04/22/2008 Ralph Lange Fixed CR/LF problem (appearing with seq debugging). Added html doc (man page style). Added many commandline options for fine tuning: pid file name, log port, command to kill the child, signal to use for killing, limit child's core size, ignore dangerous characters, define a short name Added second port (default: public) for read-only log connections. Redid the server messages (start with "@@@ " to be distiguished from child messages). R1-4 3/9/2006 Fixed double characters when the other user is typing. More informational messages: PIDs for everything, when sigchild and sigpipe happen and more info at sign-on. Put in better detection and reporting in case the startup file is not usable. Procserve will try to print an informational message and die. R1-3 3/2/2006 Added the logfile feature - if stdout is a file we leave it open and write messages to it. Added better startup handling Added start and restart time messages. R1-0 9/11/2003 This is the first real version that works as desired. I have added since 1.1 several features. The option of running as a daemon controlled by the environment variable "PROCSERV_DEBUG". Tuned the informational printfs. Added some interaction with telnet protocol, enough that linemode in the telnet client is disabled. The whole telnet state machine is more complex than it needs to be but I think that I can use it later. There is room for adding features here. 1.1 9/2/2003 This works. Telnet comes up in linemode meaning that characters are echoed and held by telnet until it gets a . The whole line is then sent. If you type a control character you must type to get it sent. If the control character is ^C then you get hosed. procServ-2.7.0/clientFactory.cc0000644000175000017500000002324213037675771013404 00000000000000// Process server for soft ioc // David H. Thompson 8/29/2003 // Ralph Lange 2007-2017 // GNU Public License (GPLv3) applies - see www.gnu.org #include #include #include #include #include #include #include #include #include #include #include "procServ.h" #include "processClass.h" #include "libtelnet.h" // Wrapper to ignore return values template inline void ignore_result(T /* unused result */) {} static const telnet_telopt_t my_telopts[] = { { TELNET_TELOPT_ECHO, TELNET_WILL, 0 }, { TELNET_TELOPT_LINEMODE, 0, TELNET_DO }, // { TELNET_TELOPT_NAOCRD, TELNET_WILL, 0 }, { -1, 0, 0 } }; class clientItem : public connectionItem { public: clientItem(int port, bool readonly); ~clientItem(); void readFromFd(void); int Send(const char *buf, int len); int Send(const char * stamp, int stamp_len, const char * message, int count); private: static void telnet_eh(telnet_t *telnet, telnet_event_t *event, void *user_data); void processInput(const char *buf, int len); void writeToFd(const char *buf, int len); telnet_t *_telnet; static int _users; static int _loggers; static int _status; }; // service and calls clientFactory when clients are accepted connectionItem * clientFactory(int socketIn, bool readonly) { connectionItem *ci = new clientItem(socketIn, readonly); PRINTF("Created new client connection (clientItem %p; read%s)\n", ci, readonly?"only":"/write"); return ci; } clientItem::~clientItem() { if (_fd >= 0) { shutdown(_fd, SHUT_RDWR); close(_fd); } if (_telnet) telnet_free(_telnet); PRINTF("~clientItem(); handle %d closed\n", _fd); if (_readonly) _loggers--; else _users--; } // Client item constructor // This sets KEEPALIVE on the socket and displays the greeting // Also sets the socket SNDTIMEO clientItem::clientItem(int socketIn, bool readonly) : connectionItem(socketIn, readonly) { assert(socketIn>=0); int optval = 1; int i; struct tm procServStart_tm; // Time when this procServ started char procServStart_buf[32]; // Time when this procServ started - as string struct tm IOCStart_tm; // Time when the current IOC was started char IOCStart_buf[32]; // Time when the current IOC was started - as string #define BUFLEN 512 char buf1[BUFLEN], buf2[BUFLEN]; char greeting1[] = "@@@ Welcome to procServ (" PROCSERV_VERSION_STRING ")" NL; #define GREETLEN 256 char greeting2[GREETLEN] = ""; struct timeval send_timeout; send_timeout.tv_sec = 10; send_timeout.tv_usec = 0; PRINTF("New clientItem %p\n", this); if ( killChar ) { snprintf(greeting2, GREETLEN, "@@@ Use %s%c to kill the child, ", CTL_SC(killChar)); } else { snprintf(greeting2, GREETLEN, "@@@ Kill command disabled, "); } snprintf(buf1, BUFLEN, "auto restart is %s, ", autoRestart ? "ON" : "OFF"); if ( toggleRestartChar ) { snprintf(buf2, BUFLEN, "use %s%c to toggle auto restart" NL, CTL_SC(toggleRestartChar)); } else { snprintf(buf2, BUFLEN, "auto restart toggle disabled" NL); } strncat(greeting2, buf1, GREETLEN-strlen(greeting2)-1); strncat(greeting2, buf2, GREETLEN-strlen(greeting2)-1); if (logoutChar) { snprintf(buf2, BUFLEN, "@@@ Use %s%c to logout from procServ server" NL, CTL_SC(logoutChar)); strncat(greeting2, buf2, GREETLEN-strlen(greeting2)-1); } localtime_r( &procServStart, &procServStart_tm ); strftime( procServStart_buf, sizeof(procServStart_buf)-1, timeFormat, &procServStart_tm ); localtime_r( &IOCStart, &IOCStart_tm ); strftime( IOCStart_buf, sizeof(IOCStart_buf)-1, timeFormat, &IOCStart_tm ); snprintf(buf1, BUFLEN, "@@@ procServ server started at: %s" NL, procServStart_buf); if ( processClass::exists() ) { snprintf(buf2, BUFLEN, "@@@ Child \"%s\" started at: %s" NL, childName, IOCStart_buf ); strncat(buf1, buf2, BUFLEN-strlen(buf1)-1); } snprintf(buf2, BUFLEN, "@@@ %d user(s) and %d logger(s) connected (plus you)" NL, _users, _loggers); setsockopt( socketIn, SOL_SOCKET, SO_KEEPALIVE, &optval, sizeof(optval) ); setsockopt( socketIn, SOL_SOCKET, SO_SNDTIMEO, &send_timeout, sizeof(send_timeout) ); if ( _readonly ) { // Logging client _loggers++; } else { // Regular (user) client _users++; ignore_result( write(_fd, greeting1, strlen(greeting1)) ); ignore_result( write(_fd, greeting2, strlen(greeting2)) ); } ignore_result( write(_fd, infoMessage1, strlen(infoMessage1)) ); ignore_result( write( _fd, infoMessage2, strlen(infoMessage2)) ); ignore_result( write( _fd, buf1, strlen(buf1)) ); if ( ! _readonly ) ignore_result( write(_fd, buf2, strlen(buf2)) ); if ( ! processClass::exists() ) ignore_result( write(_fd, infoMessage3, strlen(infoMessage3)) ); _telnet = telnet_init(my_telopts, telnet_eh, 0, this); for (i = 0; my_telopts[i].telopt >= 0; i++) { if (my_telopts[i].him > 0) { telnet_negotiate(_telnet, my_telopts[i].him, my_telopts[i].telopt); } if (my_telopts[i].us > 0) { telnet_negotiate(_telnet, my_telopts[i].us, my_telopts[i].telopt); } } } // clientItem::readFromFd // Reads from the FD, forwards to telnet state machine void clientItem::readFromFd(void) { char buf[1600]; int len; len = read(_fd, buf, sizeof(buf)-1); if (len == 0) { PRINTF("clientItem:: Got EOF reading input connection\n"); _markedForDeletion = true; } else if (len < 0) { PRINTF("clientItem:: Got error reading input connection: %s\n", strerror(errno)); _markedForDeletion = true; } else if (!_readonly) { buf[len] = '\0'; telnet_recv(_telnet, buf, len); } } // clientItem::processInput // Scans for restart / quit char if in child shut down mode, // else sends the characters to the other connections void clientItem::processInput(const char *buf, int len) { int i; if (len > 0) { // Scan input for commands for (i = 0; i < len; i++) { if (false == processClass::exists()) { // We're in child shut down mode if ((restartChar && buf[i] == restartChar) || (killChar && buf[i] == killChar)) { PRINTF ("Got a restart command\n"); waitForManualStart = false; processClass::restartOnce(); } if (quitChar && buf[i] == quitChar) { PRINTF ("Got a shutdown command\n"); shutdownServer = true; } } if (logoutChar && buf[i] == logoutChar) { PRINTF ("Got a logout command\n"); _markedForDeletion = true; } if (toggleRestartChar && buf[i] == toggleRestartChar) { autoRestart = ! autoRestart; char msg[128] = NL; PRINTF ("Got a toggleAutoRestart command\n"); SendToAll(msg, strlen(msg), NULL); snprintf(msg, 128, "@@@ Toggled auto restart to %s" NL, autoRestart ? "ON" : "OFF"); SendToAll(msg, strlen(msg), NULL); } if (killChar && buf[i] == killChar) { PRINTF ("Got a kill command\n"); processFactorySendSignal(killSig); } } SendToAll(buf, len, this); } } // Send characters to telnet state machine int clientItem::Send(const char * buf, int len) { if (!_markedForDeletion) { _status = 0; telnet_send(_telnet, buf, len); } return _status; } // Send characters, printing time stamps at every new line int clientItem::Send(const char * stamp, int stamp_len, const char * message, int count) { if (isLogger()) { // Some OSs (Windows) do not support line buffering, so we can get parts of lines, // hence need to track of when to send timestamp int i = 0, j = 0; for (i = 0; i < count; ++i) { if (!_log_stamp_sent) { Send(stamp, stamp_len); _log_stamp_sent = true; } if (message[i] == '\n') { Send(message+j, i-j+1); j = i + 1; _log_stamp_sent = false; } } return Send(message+j, count-j); // finish off rest of line with no newline at end } else { return Send(message, count); } } // Write characters to client FD void clientItem::writeToFd(const char * buf, int len) { int status = 0; while (-1 == (status = write(_fd, buf, len)) && errno == EINTR); if (-1 == status) { _markedForDeletion = true; _status = status; } } // Event handler for libtelnet // this is being called when libtelnet process an input buffer void clientItem::telnet_eh(telnet_t *telnet, telnet_event_t *event, void *user_data) { clientItem *client = (clientItem *)user_data; switch (event->type) { case TELNET_EV_DATA: client->processInput(event->data.buffer, event->data.size); break; case TELNET_EV_SEND: client->writeToFd(event->data.buffer, event->data.size); break; case TELNET_EV_ERROR: fprintf(stderr, "TELNET error: %s", event->error.msg); break; default: break; } } int clientItem::_users; int clientItem::_loggers; int clientItem::_status; procServ-2.7.0/libtelnet.c0000644000175000017500000011715113037675771012420 00000000000000/* * libtelnet - TELNET protocol handling library * * Sean Middleditch * sean@sourcemud.org * * The author or authors of this code dedicate any and all copyright interest * in this code to the public domain. We make this dedication for the benefit * of the public at large and to the detriment of our heirs and successors. We * intend this dedication to be an overt act of relinquishment in perpetuity of * all present and future rights to this code under copyright law. */ #include #include #include #include #include #include /* Win32 compatibility */ #if defined(_WIN32) # define vsnprintf _vsnprintf # define __func__ __FUNCTION__ # define ZLIB_WINAPI 1 #endif #if defined(HAVE_ZLIB) # include #endif #include "libtelnet.h" /* inlinable functions */ #if defined(__GNUC__) || __STDC_VERSION__ >= 199901L # define INLINE __inline__ #else # define INLINE #endif /* helper for Q-method option tracking */ #define Q_US(q) ((q).state & 0x0F) #define Q_HIM(q) (((q).state & 0xF0) >> 4) #define Q_MAKE(us,him) ((us) | ((him) << 4)) /* helper for the negotiation routines */ #define NEGOTIATE_EVENT(telnet,cmd,opt) \ ev.type = (cmd); \ ev.neg.telopt = (opt); \ (telnet)->eh((telnet), &ev, (telnet)->ud); /* telnet state codes */ enum telnet_state_t { TELNET_STATE_DATA = 0, TELNET_STATE_IAC, TELNET_STATE_WILL, TELNET_STATE_WONT, TELNET_STATE_DO, TELNET_STATE_DONT, TELNET_STATE_SB, TELNET_STATE_SB_DATA, TELNET_STATE_SB_DATA_IAC }; typedef enum telnet_state_t telnet_state_t; /* telnet state tracker */ struct telnet_t { /* user data */ void *ud; /* telopt support table */ const telnet_telopt_t *telopts; /* event handler */ telnet_event_handler_t eh; #if defined(HAVE_ZLIB) /* zlib (mccp2) compression */ z_stream *z; #endif /* RFC1143 option negotiation states */ struct telnet_rfc1143_t *q; /* sub-request buffer */ char *buffer; /* current size of the buffer */ size_t buffer_size; /* current buffer write position (also length of buffer data) */ size_t buffer_pos; /* current state */ enum telnet_state_t state; /* option flags */ unsigned char flags; /* current subnegotiation telopt */ unsigned char sb_telopt; /* length of RFC1143 queue */ unsigned char q_size; }; /* RFC1143 option negotiation state */ typedef struct telnet_rfc1143_t { unsigned char telopt; unsigned char state; } telnet_rfc1143_t; /* RFC1143 state names */ #define Q_NO 0 #define Q_YES 1 #define Q_WANTNO 2 #define Q_WANTYES 3 #define Q_WANTNO_OP 4 #define Q_WANTYES_OP 5 /* buffer sizes */ static const size_t _buffer_sizes[] = { 0, 512, 2048, 8192, 16384, }; static const size_t _buffer_sizes_count = sizeof(_buffer_sizes) / sizeof(_buffer_sizes[0]); /* error generation function */ static telnet_error_t _error(telnet_t *telnet, unsigned line, const char* func, telnet_error_t err, int fatal, const char *fmt, ...) { telnet_event_t ev; char buffer[512]; va_list va; /* format informational text */ va_start(va, fmt); vsnprintf(buffer, sizeof(buffer), fmt, va); va_end(va); /* send error event to the user */ ev.type = fatal ? TELNET_EV_ERROR : TELNET_EV_WARNING; ev.error.file = __FILE__; ev.error.func = func; ev.error.line = line; ev.error.msg = buffer; telnet->eh(telnet, &ev, telnet->ud); return err; } #if defined(HAVE_ZLIB) /* initialize the zlib box for a telnet box; if deflate is non-zero, it * initializes zlib for delating (compression), otherwise for inflating * (decompression). returns TELNET_EOK on success, something else on * failure. */ telnet_error_t _init_zlib(telnet_t *telnet, int deflate, int err_fatal) { z_stream *z; int rs; /* if compression is already enabled, fail loudly */ if (telnet->z != 0) return _error(telnet, __LINE__, __func__, TELNET_EBADVAL, err_fatal, "cannot initialize compression twice"); /* allocate zstream box */ if ((z= (z_stream *)calloc(1, sizeof(z_stream))) == 0) return _error(telnet, __LINE__, __func__, TELNET_ENOMEM, err_fatal, "malloc() failed: %s", strerror(errno)); /* initialize */ if (deflate) { if ((rs = deflateInit(z, Z_DEFAULT_COMPRESSION)) != Z_OK) { free(z); return _error(telnet, __LINE__, __func__, TELNET_ECOMPRESS, err_fatal, "deflateInit() failed: %s", zError(rs)); } telnet->flags |= TELNET_PFLAG_DEFLATE; } else { if ((rs = inflateInit(z)) != Z_OK) { free(z); return _error(telnet, __LINE__, __func__, TELNET_ECOMPRESS, err_fatal, "inflateInit() failed: %s", zError(rs)); } telnet->flags &= ~TELNET_PFLAG_DEFLATE; } telnet->z = z; return TELNET_EOK; } #endif /* defined(HAVE_ZLIB) */ /* push bytes out, compressing them first if need be */ static void _send(telnet_t *telnet, const char *buffer, size_t size) { telnet_event_t ev; #if defined(HAVE_ZLIB) /* if we have a deflate (compression) zlib box, use it */ if (telnet->z != 0 && telnet->flags & TELNET_PFLAG_DEFLATE) { char deflate_buffer[1024]; int rs; /* initialize z state */ telnet->z->next_in = (unsigned char *)buffer; telnet->z->avail_in = size; telnet->z->next_out = (unsigned char *)deflate_buffer; telnet->z->avail_out = sizeof(deflate_buffer); /* deflate until buffer exhausted and all output is produced */ while (telnet->z->avail_in > 0 || telnet->z->avail_out == 0) { /* compress */ if ((rs = deflate(telnet->z, Z_SYNC_FLUSH)) != Z_OK) { _error(telnet, __LINE__, __func__, TELNET_ECOMPRESS, 1, "deflate() failed: %s", zError(rs)); deflateEnd(telnet->z); free(telnet->z); telnet->z = 0; break; } /* send event */ ev.type = TELNET_EV_SEND; ev.data.buffer = deflate_buffer; ev.data.size = sizeof(deflate_buffer) - telnet->z->avail_out; telnet->eh(telnet, &ev, telnet->ud); /* prepare output buffer for next run */ telnet->z->next_out = (unsigned char *)deflate_buffer; telnet->z->avail_out = sizeof(deflate_buffer); } /* do not continue with remaining code */ return; } #endif /* defined(HAVE_ZLIB) */ ev.type = TELNET_EV_SEND; ev.data.buffer = buffer; ev.data.size = size; telnet->eh(telnet, &ev, telnet->ud); } /* to send bags of unsigned chars */ #define _sendu(t, d, s) _send((t), (const char*)(d), (s)) /* check if we support a particular telopt; if us is non-zero, we * check if we (local) supports it, otherwise we check if he (remote) * supports it. return non-zero if supported, zero if not supported. */ static INLINE int _check_telopt(telnet_t *telnet, unsigned char telopt, int us) { int i; /* if we have no telopts table, we obviously don't support it */ if (telnet->telopts == 0) return 0; /* loop unti found or end marker (us and him both 0) */ for (i = 0; telnet->telopts[i].telopt != -1; ++i) { if (telnet->telopts[i].telopt == telopt) { if (us && telnet->telopts[i].us == TELNET_WILL) return 1; else if (!us && telnet->telopts[i].him == TELNET_DO) return 1; else return 0; } } /* not found, so not supported */ return 0; } /* retrieve RFC1143 option state */ static INLINE telnet_rfc1143_t _get_rfc1143(telnet_t *telnet, unsigned char telopt) { telnet_rfc1143_t empty; int i; /* search for entry */ for (i = 0; i != telnet->q_size; ++i) { if (telnet->q[i].telopt == telopt) { return telnet->q[i]; } } /* not found, return empty value */ empty.telopt = telopt; empty.state = 0; return empty; } /* save RFC1143 option state */ static INLINE void _set_rfc1143(telnet_t *telnet, unsigned char telopt, char us, char him) { telnet_rfc1143_t *qtmp; int i; /* search for entry */ for (i = 0; i != telnet->q_size; ++i) { if (telnet->q[i].telopt == telopt) { telnet->q[i].state = Q_MAKE(us,him); return; } } /* we're going to need to track state for it, so grow the queue * by 4 (four) elements and put the telopt into it; bail on allocation * error. we go by four because it seems like a reasonable guess as * to the number of enabled options for most simple code, and it * allows for an acceptable number of reallocations for complex code. */ if ((qtmp = (telnet_rfc1143_t *)realloc(telnet->q, sizeof(telnet_rfc1143_t) * (telnet->q_size + 4))) == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "realloc() failed: %s", strerror(errno)); return; } memset(&qtmp[telnet->q_size], 0, sizeof(telnet_rfc1143_t) * 4); telnet->q = qtmp; telnet->q[telnet->q_size].telopt = telopt; telnet->q[telnet->q_size].state = Q_MAKE(us, him); telnet->q_size += 4; } /* send negotiation bytes */ static INLINE void _send_negotiate(telnet_t *telnet, unsigned char cmd, unsigned char telopt) { unsigned char bytes[3]; bytes[0] = TELNET_IAC; bytes[1] = cmd; bytes[2] = telopt; _sendu(telnet, bytes, 3); } /* negotiation handling magic for RFC1143 */ static void _negotiate(telnet_t *telnet, unsigned char telopt) { telnet_event_t ev; telnet_rfc1143_t q; /* in PROXY mode, just pass it thru and do nothing */ if (telnet->flags & TELNET_FLAG_PROXY) { switch ((int)telnet->state) { case TELNET_STATE_WILL: NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); break; case TELNET_STATE_WONT: NEGOTIATE_EVENT(telnet, TELNET_EV_WONT, telopt); break; case TELNET_STATE_DO: NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); break; case TELNET_STATE_DONT: NEGOTIATE_EVENT(telnet, TELNET_EV_DONT, telopt); break; } return; } /* lookup the current state of the option */ q = _get_rfc1143(telnet, telopt); /* start processing... */ switch ((int)telnet->state) { /* request to enable option on remote end or confirm DO */ case TELNET_STATE_WILL: switch (Q_HIM(q)) { case Q_NO: if (_check_telopt(telnet, telopt, 0)) { _set_rfc1143(telnet, telopt, Q_US(q), Q_YES); _send_negotiate(telnet, TELNET_DO, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); } else _send_negotiate(telnet, TELNET_DONT, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_US(q), Q_NO); NEGOTIATE_EVENT(telnet, TELNET_EV_WONT, telopt); _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "DONT answered by WILL"); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_YES); NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "DONT answered by WILL"); break; case Q_WANTYES: _set_rfc1143(telnet, telopt, Q_US(q), Q_YES); NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); break; case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTNO); _send_negotiate(telnet, TELNET_DONT, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); break; } break; /* request to disable option on remote end, confirm DONT, reject DO */ case TELNET_STATE_WONT: switch (Q_HIM(q)) { case Q_YES: _set_rfc1143(telnet, telopt, Q_US(q), Q_NO); _send_negotiate(telnet, TELNET_DONT, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_WONT, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_US(q), Q_NO); NEGOTIATE_EVENT(telnet, TELNET_EV_WONT, telopt); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTYES); NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); break; case Q_WANTYES: case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_NO); break; } break; /* request to enable option on local end or confirm WILL */ case TELNET_STATE_DO: switch (Q_US(q)) { case Q_NO: if (_check_telopt(telnet, telopt, 1)) { _set_rfc1143(telnet, telopt, Q_YES, Q_HIM(q)); _send_negotiate(telnet, TELNET_WILL, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); } else _send_negotiate(telnet, TELNET_WONT, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_NO, Q_HIM(q)); NEGOTIATE_EVENT(telnet, TELNET_EV_DONT, telopt); _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "WONT answered by DO"); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_YES, Q_HIM(q)); NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "WONT answered by DO"); break; case Q_WANTYES: _set_rfc1143(telnet, telopt, Q_YES, Q_HIM(q)); NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); break; case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_WANTNO, Q_HIM(q)); _send_negotiate(telnet, TELNET_WONT, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_DO, telopt); break; } break; /* request to disable option on local end, confirm WONT, reject WILL */ case TELNET_STATE_DONT: switch (Q_US(q)) { case Q_YES: _set_rfc1143(telnet, telopt, Q_NO, Q_HIM(q)); _send_negotiate(telnet, TELNET_WONT, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_DONT, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_NO, Q_HIM(q)); NEGOTIATE_EVENT(telnet, TELNET_EV_WONT, telopt); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_WANTYES, Q_HIM(q)); _send_negotiate(telnet, TELNET_WILL, telopt); NEGOTIATE_EVENT(telnet, TELNET_EV_WILL, telopt); break; case Q_WANTYES: case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_NO, Q_HIM(q)); break; } break; } } /* process an ENVIRON/NEW-ENVIRON subnegotiation buffer * * the algorithm and approach used here is kind of a hack, * but it reduces the number of memory allocations we have * to make. * * we copy the bytes back into the buffer, starting at the very * beginning, which makes it easy to handle the ENVIRON ESC * escape mechanism as well as ensure the variable name and * value strings are NUL-terminated, all while fitting inside * of the original buffer. */ static int _environ_telnet(telnet_t *telnet, unsigned char type, char* buffer, size_t size) { telnet_event_t ev; struct telnet_environ_t *values = 0; char *c, *last, *out; size_t index, count; /* if we have no data, just pass it through */ if (size == 0) { return 0; } /* first byte must be a valid command */ if ((unsigned)buffer[0] != TELNET_ENVIRON_SEND && (unsigned)buffer[0] != TELNET_ENVIRON_IS && (unsigned)buffer[0] != TELNET_ENVIRON_INFO) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "telopt %d subneg has invalid command", type); return 0; } /* store ENVIRON command */ ev.environ.cmd = buffer[0]; /* if we have no arguments, send an event with no data end return */ if (size == 1) { /* no list of variables given */ ev.environ.values = 0; ev.environ.size = 0; /* invoke event with our arguments */ ev.type = TELNET_EV_ENVIRON; telnet->eh(telnet, &ev, telnet->ud); return 1; } /* very second byte must be VAR or USERVAR, if present */ if ((unsigned)buffer[1] != TELNET_ENVIRON_VAR && (unsigned)buffer[1] != TELNET_ENVIRON_USERVAR) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "telopt %d subneg missing variable type", type); return 0; } /* ensure last byte is not an escape byte (makes parsing later easier) */ if ((unsigned)buffer[size - 1] == TELNET_ENVIRON_ESC) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "telopt %d subneg ends with ESC", type); return 0; } /* count arguments; each valid entry starts with VAR or USERVAR */ count = 0; for (c = buffer + 1; c < buffer + size; ++c) { if (*c == TELNET_ENVIRON_VAR || *c == TELNET_ENVIRON_USERVAR) { ++count; } else if (*c == TELNET_ENVIRON_ESC) { /* skip the next byte */ ++c; } } /* allocate argument array, bail on error */ if ((values = (struct telnet_environ_t *)calloc(count, sizeof(struct telnet_environ_t))) == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "calloc() failed: %s", strerror(errno)); return 0; } /* parse argument array strings */ out = buffer; c = buffer + 1; for (index = 0; index != count; ++index) { /* remember the variable type (will be VAR or USERVAR) */ values[index].type = *c++; /* scan until we find an end-marker, and buffer up unescaped * bytes into our buffer */ last = out; while (c < buffer + size) { /* stop at the next variable or at the value */ if ((unsigned)*c == TELNET_ENVIRON_VAR || (unsigned)*c == TELNET_ENVIRON_VALUE || (unsigned)*c == TELNET_ENVIRON_USERVAR) { break; } /* buffer next byte (taking into account ESC) */ if (*c == TELNET_ENVIRON_ESC) { ++c; } *out++ = *c++; } *out++ = '\0'; /* store the variable name we have just received */ values[index].var = last; values[index].value = ""; /* if we got a value, find the next end marker and * store the value; otherwise, store empty string */ if (c < buffer + size && *c == TELNET_ENVIRON_VALUE) { ++c; last = out; while (c < buffer + size) { /* stop when we find the start of the next variable */ if ((unsigned)*c == TELNET_ENVIRON_VAR || (unsigned)*c == TELNET_ENVIRON_USERVAR) { break; } /* buffer next byte (taking into account ESC) */ if (*c == TELNET_ENVIRON_ESC) { ++c; } *out++ = *c++; } *out++ = '\0'; /* store the variable value */ values[index].value = last; } } /* pass values array and count to event */ ev.environ.values = values; ev.environ.size = count; /* invoke event with our arguments */ ev.type = TELNET_EV_ENVIRON; telnet->eh(telnet, &ev, telnet->ud); /* clean up */ free(values); return 1; } /* process an MSSP subnegotiation buffer */ static int _mssp_telnet(telnet_t *telnet, char* buffer, size_t size) { telnet_event_t ev; struct telnet_environ_t *values; char *var = 0; char *c, *last, *out; size_t i, count; unsigned char next_type; /* if we have no data, just pass it through */ if (size == 0) { return 0; } /* first byte must be a VAR */ if ((unsigned)buffer[0] != TELNET_MSSP_VAR) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "MSSP subnegotiation has invalid data"); return 0; } /* count the arguments, any part that starts with VALUE */ for (count = 0, i = 0; i != size; ++i) { if ((unsigned)buffer[i] == TELNET_MSSP_VAL) { ++count; } } /* allocate argument array, bail on error */ if ((values = (struct telnet_environ_t *)calloc(count, sizeof(struct telnet_environ_t))) == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "calloc() failed: %s", strerror(errno)); return 0; } ev.mssp.values = values; ev.mssp.size = count; /* allocate strings in argument array */ out = last = buffer; next_type = buffer[0]; for (i = 0, c = buffer + 1; c < buffer + size;) { /* search for end marker */ while (c < buffer + size && (unsigned)*c != TELNET_MSSP_VAR && (unsigned)*c != TELNET_MSSP_VAL) { *out++ = *c++; } *out++ = '\0'; /* if it's a variable name, just store the name for now */ if (next_type == TELNET_MSSP_VAR) { var = last; } else if (next_type == TELNET_MSSP_VAL && var != 0) { values[i].var = var; values[i].value = last; ++i; } else { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "invalid MSSP subnegotiation data"); free(values); return 0; } /* remember our next type and increment c for next loop run */ last = out; next_type = *c++; } /* invoke event with our arguments */ ev.type = TELNET_EV_MSSP; telnet->eh(telnet, &ev, telnet->ud); /* clean up */ free(values); return 0; } /* parse ZMP command subnegotiation buffers */ static int _zmp_telnet(telnet_t *telnet, const char* buffer, size_t size) { telnet_event_t ev; char **argv; const char *c; size_t i, argc; /* make sure this is a valid ZMP buffer */ if (size == 0 || buffer[size - 1] != 0) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "incomplete ZMP frame"); return 0; } /* count arguments */ for (argc = 0, c = buffer; c != buffer + size; ++argc) c += strlen(c) + 1; /* allocate argument array, bail on error */ if ((argv = (char **)calloc(argc, sizeof(char *))) == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "calloc() failed: %s", strerror(errno)); return 0; } /* populate argument array */ for (i = 0, c = buffer; i != argc; ++i) { argv[i] = (char *)c; c += strlen(c) + 1; } /* invoke event with our arguments */ ev.type = TELNET_EV_ZMP; ev.zmp.argv = (const char**)argv; ev.zmp.argc = argc; telnet->eh(telnet, &ev, telnet->ud); /* clean up */ free(argv); return 0; } /* parse TERMINAL-TYPE command subnegotiation buffers */ static int _ttype_telnet(telnet_t *telnet, const char* buffer, size_t size) { telnet_event_t ev; /* make sure request is not empty */ if (size == 0) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "incomplete TERMINAL-TYPE request"); return 0; } /* make sure request has valid command type */ if (buffer[0] != TELNET_TTYPE_IS && buffer[0] != TELNET_TTYPE_SEND) { _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "TERMINAL-TYPE request has invalid type"); return 0; } /* send proper event */ if (buffer[0] == TELNET_TTYPE_IS) { char *name; /* allocate space for name */ if ((name = (char *)malloc(size)) == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "malloc() failed: %s", strerror(errno)); return 0; } memcpy(name, buffer + 1, size - 1); name[size - 1] = '\0'; ev.type = TELNET_EV_TTYPE; ev.ttype.cmd = TELNET_TTYPE_IS; ev.ttype.name = name; telnet->eh(telnet, &ev, telnet->ud); /* clean up */ free(name); } else { ev.type = TELNET_EV_TTYPE; ev.ttype.cmd = TELNET_TTYPE_SEND; ev.ttype.name = 0; telnet->eh(telnet, &ev, telnet->ud); } return 0; } /* process a subnegotiation buffer; return non-zero if the current buffer * must be aborted and reprocessed due to COMPRESS2 being activated */ static int _subnegotiate(telnet_t *telnet) { telnet_event_t ev; /* standard subnegotiation event */ ev.type = TELNET_EV_SUBNEGOTIATION; ev.sub.telopt = telnet->sb_telopt; ev.sub.buffer = telnet->buffer; ev.sub.size = telnet->buffer_pos; telnet->eh(telnet, &ev, telnet->ud); switch (telnet->sb_telopt) { #if defined(HAVE_ZLIB) /* received COMPRESS2 begin marker, setup our zlib box and * start handling the compressed stream if it's not already. */ case TELNET_TELOPT_COMPRESS2: if (telnet->sb_telopt == TELNET_TELOPT_COMPRESS2) { if (_init_zlib(telnet, 0, 1) != TELNET_EOK) return 0; /* notify app that compression was enabled */ ev.type = TELNET_EV_COMPRESS; ev.compress.state = 1; telnet->eh(telnet, &ev, telnet->ud); return 1; } return 0; #endif /* defined(HAVE_ZLIB) */ /* specially handled subnegotiation telopt types */ case TELNET_TELOPT_ZMP: return _zmp_telnet(telnet, telnet->buffer, telnet->buffer_pos); case TELNET_TELOPT_TTYPE: return _ttype_telnet(telnet, telnet->buffer, telnet->buffer_pos); case TELNET_TELOPT_ENVIRON: case TELNET_TELOPT_NEW_ENVIRON: return _environ_telnet(telnet, telnet->sb_telopt, telnet->buffer, telnet->buffer_pos); case TELNET_TELOPT_MSSP: return _mssp_telnet(telnet, telnet->buffer, telnet->buffer_pos); default: return 0; } } /* initialize a telnet state tracker */ telnet_t *telnet_init(const telnet_telopt_t *telopts, telnet_event_handler_t eh, unsigned char flags, void *user_data) { /* allocate structure */ struct telnet_t *telnet = (telnet_t*)calloc(1, sizeof(telnet_t)); if (telnet == 0) return 0; /* initialize data */ telnet->ud = user_data; telnet->telopts = telopts; telnet->eh = eh; telnet->flags = flags; return telnet; } /* free up any memory allocated by a state tracker */ void telnet_free(telnet_t *telnet) { /* free sub-request buffer */ if (telnet->buffer != 0) { free(telnet->buffer); telnet->buffer = 0; telnet->buffer_size = 0; telnet->buffer_pos = 0; } #if defined(HAVE_ZLIB) /* free zlib box */ if (telnet->z != 0) { if (telnet->flags & TELNET_PFLAG_DEFLATE) deflateEnd(telnet->z); else inflateEnd(telnet->z); free(telnet->z); telnet->z = 0; } #endif /* defined(HAVE_ZLIB) */ /* free RFC1143 queue */ if (telnet->q) { free(telnet->q); telnet->q = 0; telnet->q_size = 0; } /* free the telnet structure itself */ free(telnet); } /* push a byte into the telnet buffer */ static telnet_error_t _buffer_byte(telnet_t *telnet, unsigned char byte) { char *new_buffer; size_t i; /* check if we're out of room */ if (telnet->buffer_pos == telnet->buffer_size) { /* find the next buffer size */ for (i = 0; i != _buffer_sizes_count; ++i) { if (_buffer_sizes[i] == telnet->buffer_size) { break; } } /* overflow -- can't grow any more */ if (i >= _buffer_sizes_count - 1) { _error(telnet, __LINE__, __func__, TELNET_EOVERFLOW, 0, "subnegotiation buffer size limit reached"); return TELNET_EOVERFLOW; } /* (re)allocate buffer */ new_buffer = (char *)realloc(telnet->buffer, _buffer_sizes[i + 1]); if (new_buffer == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "realloc() failed"); return TELNET_ENOMEM; } telnet->buffer = new_buffer; telnet->buffer_size = _buffer_sizes[i + 1]; } /* push the byte, all set */ telnet->buffer[telnet->buffer_pos++] = byte; return TELNET_EOK; } static void _process(telnet_t *telnet, const char *buffer, size_t size) { telnet_event_t ev; unsigned char byte; size_t i, start; for (i = start = 0; i != size; ++i) { byte = buffer[i]; switch (telnet->state) { /* regular data */ case TELNET_STATE_DATA: /* on an IAC byte, pass through all pending bytes and * switch states */ if (byte == TELNET_IAC) { if (i != start) { ev.type = TELNET_EV_DATA; ev.data.buffer = buffer + start; ev.data.size = i - start; telnet->eh(telnet, &ev, telnet->ud); } telnet->state = TELNET_STATE_IAC; } break; /* IAC command */ case TELNET_STATE_IAC: switch (byte) { /* subnegotiation */ case TELNET_SB: telnet->state = TELNET_STATE_SB; break; /* negotiation commands */ case TELNET_WILL: telnet->state = TELNET_STATE_WILL; break; case TELNET_WONT: telnet->state = TELNET_STATE_WONT; break; case TELNET_DO: telnet->state = TELNET_STATE_DO; break; case TELNET_DONT: telnet->state = TELNET_STATE_DONT; break; /* IAC escaping */ case TELNET_IAC: /* event */ ev.type = TELNET_EV_DATA; ev.data.buffer = (char*)&byte; ev.data.size = 1; telnet->eh(telnet, &ev, telnet->ud); /* state update */ start = i + 1; telnet->state = TELNET_STATE_DATA; break; /* some other command */ default: /* event */ ev.type = TELNET_EV_IAC; ev.iac.cmd = byte; telnet->eh(telnet, &ev, telnet->ud); /* state update */ start = i + 1; telnet->state = TELNET_STATE_DATA; } break; /* negotiation commands */ case TELNET_STATE_WILL: case TELNET_STATE_WONT: case TELNET_STATE_DO: case TELNET_STATE_DONT: _negotiate(telnet, byte); start = i + 1; telnet->state = TELNET_STATE_DATA; break; /* subnegotiation -- determine subnegotiation telopt */ case TELNET_STATE_SB: telnet->sb_telopt = byte; telnet->buffer_pos = 0; telnet->state = TELNET_STATE_SB_DATA; break; /* subnegotiation -- buffer bytes until end request */ case TELNET_STATE_SB_DATA: /* IAC command in subnegotiation -- either IAC SE or IAC IAC */ if (byte == TELNET_IAC) { telnet->state = TELNET_STATE_SB_DATA_IAC; /* buffer the byte, or bail if we can't */ } else if (_buffer_byte(telnet, byte) != TELNET_EOK) { start = i + 1; telnet->state = TELNET_STATE_DATA; } break; /* IAC escaping inside a subnegotiation */ case TELNET_STATE_SB_DATA_IAC: switch (byte) { /* end subnegotiation */ case TELNET_SE: /* return to default state */ start = i + 1; telnet->state = TELNET_STATE_DATA; /* process subnegotiation */ if (_subnegotiate(telnet) != 0) { /* any remaining bytes in the buffer are compressed. * we have to re-invoke telnet_recv to get those * bytes inflated and abort trying to process the * remaining compressed bytes in the current _process * buffer argument */ telnet_recv(telnet, &buffer[start], size - start); return; } break; /* escaped IAC byte */ case TELNET_IAC: /* push IAC into buffer */ if (_buffer_byte(telnet, TELNET_IAC) != TELNET_EOK) { start = i + 1; telnet->state = TELNET_STATE_DATA; } else { telnet->state = TELNET_STATE_SB_DATA; } break; /* something else -- protocol error. attempt to process * content in subnegotiation buffer, then evaluate the * given command as an IAC code. */ default: _error(telnet, __LINE__, __func__, TELNET_EPROTOCOL, 0, "unexpected byte after IAC inside SB: %d", byte); /* enter IAC state */ start = i + 1; telnet->state = TELNET_STATE_IAC; /* process subnegotiation; see comment in * TELNET_STATE_SB_DATA_IAC about invoking telnet_recv() */ if (_subnegotiate(telnet) != 0) { telnet_recv(telnet, &buffer[start], size - start); return; } else { /* recursive call to get the current input byte processed * as a regular IAC command. we could use a goto, but * that would be gross. */ _process(telnet, (char *)&byte, 1); } break; } break; } } /* pass through any remaining bytes */ if (telnet->state == TELNET_STATE_DATA && i != start) { ev.type = TELNET_EV_DATA; ev.data.buffer = buffer + start; ev.data.size = i - start; telnet->eh(telnet, &ev, telnet->ud); } } /* push a bytes into the state tracker */ void telnet_recv(telnet_t *telnet, const char *buffer, size_t size) { #if defined(HAVE_ZLIB) /* if we have an inflate (decompression) zlib stream, use it */ if (telnet->z != 0 && !(telnet->flags & TELNET_PFLAG_DEFLATE)) { char inflate_buffer[1024]; int rs; /* initialize zlib state */ telnet->z->next_in = (unsigned char*)buffer; telnet->z->avail_in = size; telnet->z->next_out = (unsigned char *)inflate_buffer; telnet->z->avail_out = sizeof(inflate_buffer); /* inflate until buffer exhausted and all output is produced */ while (telnet->z->avail_in > 0 || telnet->z->avail_out == 0) { /* reset output buffer */ /* decompress */ rs = inflate(telnet->z, Z_SYNC_FLUSH); /* process the decompressed bytes on success */ if (rs == Z_OK || rs == Z_STREAM_END) _process(telnet, inflate_buffer, sizeof(inflate_buffer) - telnet->z->avail_out); else _error(telnet, __LINE__, __func__, TELNET_ECOMPRESS, 1, "inflate() failed: %s", zError(rs)); /* prepare output buffer for next run */ telnet->z->next_out = (unsigned char *)inflate_buffer; telnet->z->avail_out = sizeof(inflate_buffer); /* on error (or on end of stream) disable further inflation */ if (rs != Z_OK) { telnet_event_t ev; /* disable compression */ inflateEnd(telnet->z); free(telnet->z); telnet->z = 0; /* send event */ ev.type = TELNET_EV_COMPRESS; ev.compress.state = 0; telnet->eh(telnet, &ev, telnet->ud); break; } } /* COMPRESS2 is not negotiated, just process */ } else #endif /* defined(HAVE_ZLIB) */ _process(telnet, buffer, size); } /* send an iac command */ void telnet_iac(telnet_t *telnet, unsigned char cmd) { unsigned char bytes[2]; bytes[0] = TELNET_IAC; bytes[1] = cmd; _sendu(telnet, bytes, 2); } /* send negotiation */ void telnet_negotiate(telnet_t *telnet, unsigned char cmd, unsigned char telopt) { telnet_rfc1143_t q; /* if we're in proxy mode, just send it now */ if (telnet->flags & TELNET_FLAG_PROXY) { unsigned char bytes[3]; bytes[0] = TELNET_IAC; bytes[1] = cmd; bytes[2] = telopt; _sendu(telnet, bytes, 3); return; } /* get current option states */ q = _get_rfc1143(telnet, telopt); switch (cmd) { /* advertise willingess to support an option */ case TELNET_WILL: switch (Q_US(q)) { case Q_NO: _set_rfc1143(telnet, telopt, Q_WANTYES, Q_HIM(q)); _send_negotiate(telnet, TELNET_WILL, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_WANTNO_OP, Q_HIM(q)); break; case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_WANTYES, Q_HIM(q)); break; } break; /* force turn-off of locally enabled option */ case TELNET_WONT: switch (Q_US(q)) { case Q_YES: _set_rfc1143(telnet, telopt, Q_WANTNO, Q_HIM(q)); _send_negotiate(telnet, TELNET_WONT, telopt); break; case Q_WANTYES: _set_rfc1143(telnet, telopt, Q_WANTYES_OP, Q_HIM(q)); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_WANTNO, Q_HIM(q)); break; } break; /* ask remote end to enable an option */ case TELNET_DO: switch (Q_HIM(q)) { case Q_NO: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTYES); _send_negotiate(telnet, TELNET_DO, telopt); break; case Q_WANTNO: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTNO_OP); break; case Q_WANTYES_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTYES); break; } break; /* demand remote end disable an option */ case TELNET_DONT: switch (Q_HIM(q)) { case Q_YES: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTNO); _send_negotiate(telnet, TELNET_DONT, telopt); break; case Q_WANTYES: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTYES_OP); break; case Q_WANTNO_OP: _set_rfc1143(telnet, telopt, Q_US(q), Q_WANTNO); break; } break; } } /* send non-command data (escapes IAC bytes) */ void telnet_send(telnet_t *telnet, const char *buffer, size_t size) { size_t i, l; for (l = i = 0; i != size; ++i) { /* dump prior portion of text, send escaped bytes */ if (buffer[i] == (char)TELNET_IAC) { /* dump prior text if any */ if (i != l) { _send(telnet, buffer + l, i - l); } l = i + 1; /* send escape */ telnet_iac(telnet, TELNET_IAC); } } /* send whatever portion of buffer is left */ if (i != l) { _send(telnet, buffer + l, i - l); } } /* send subnegotiation header */ void telnet_begin_sb(telnet_t *telnet, unsigned char telopt) { unsigned char sb[3]; sb[0] = TELNET_IAC; sb[1] = TELNET_SB; sb[2] = telopt; _sendu(telnet, sb, 3); } /* send complete subnegotiation */ void telnet_subnegotiation(telnet_t *telnet, unsigned char telopt, const char *buffer, size_t size) { unsigned char bytes[5]; bytes[0] = TELNET_IAC; bytes[1] = TELNET_SB; bytes[2] = telopt; bytes[3] = TELNET_IAC; bytes[4] = TELNET_SE; _sendu(telnet, bytes, 3); telnet_send(telnet, buffer, size); _sendu(telnet, bytes + 3, 2); #if defined(HAVE_ZLIB) /* if we're a proxy and we just sent the COMPRESS2 marker, we must * make sure all further data is compressed if not already. */ if (telnet->flags & TELNET_FLAG_PROXY && telopt == TELNET_TELOPT_COMPRESS2) { telnet_event_t ev; if (_init_zlib(telnet, 1, 1) != TELNET_EOK) return; /* notify app that compression was enabled */ ev.type = TELNET_EV_COMPRESS; ev.compress.state = 1; telnet->eh(telnet, &ev, telnet->ud); } #endif /* defined(HAVE_ZLIB) */ } void telnet_begin_compress2(telnet_t *telnet) { #if defined(HAVE_ZLIB) static const unsigned char compress2[] = { TELNET_IAC, TELNET_SB, TELNET_TELOPT_COMPRESS2, TELNET_IAC, TELNET_SE }; telnet_event_t ev; /* attempt to create output stream first, bail if we can't */ if (_init_zlib(telnet, 1, 0) != TELNET_EOK) return; /* send compression marker. we send directly to the event handler * instead of passing through _send because _send would result in * the compress marker itself being compressed. */ ev.type = TELNET_EV_SEND; ev.data.buffer = (const char*)compress2; ev.data.size = sizeof(compress2); telnet->eh(telnet, &ev, telnet->ud); /* notify app that compression was successfully enabled */ ev.type = TELNET_EV_COMPRESS; ev.compress.state = 1; telnet->eh(telnet, &ev, telnet->ud); #endif /* defined(HAVE_ZLIB) */ } /* send formatted data with \r and \n translation in addition to IAC IAC */ int telnet_vprintf(telnet_t *telnet, const char *fmt, va_list va) { static const char CRLF[] = { '\r', '\n' }; static const char CRNUL[] = { '\r', '\0' }; char buffer[1024]; char *output = buffer; int rs, i, l; /* format */ rs = vsnprintf(buffer, sizeof(buffer), fmt, va); if (rs >= sizeof(buffer)) { output = (char*)malloc(rs + 1); if (output == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "malloc() failed: %s", strerror(errno)); return -1; } rs = vsnprintf(output, rs + 1, fmt, va); } /* send */ for (l = i = 0; i != rs; ++i) { /* special characters */ if (output[i] == (char)TELNET_IAC || output[i] == '\r' || output[i] == '\n') { /* dump prior portion of text */ if (i != l) _send(telnet, output + l, i - l); l = i + 1; /* IAC -> IAC IAC */ if (output[i] == (char)TELNET_IAC) telnet_iac(telnet, TELNET_IAC); /* automatic translation of \r -> CRNUL */ else if (output[i] == '\r') _send(telnet, CRNUL, 2); /* automatic translation of \n -> CRLF */ else if (output[i] == '\n') _send(telnet, CRLF, 2); } } /* send whatever portion of output is left */ if (i != l) { _send(telnet, output + l, i - l); } /* free allocated memory, if any */ if (output != buffer) { free(output); } return rs; } /* see telnet_vprintf */ int telnet_printf(telnet_t *telnet, const char *fmt, ...) { va_list va; int rs; va_start(va, fmt); rs = telnet_vprintf(telnet, fmt, va); va_end(va); return rs; } /* send formatted data through telnet_send */ int telnet_raw_vprintf(telnet_t *telnet, const char *fmt, va_list va) { char buffer[1024]; char *output = buffer; int rs; /* format; allocate more space if necessary */ rs = vsnprintf(buffer, sizeof(buffer), fmt, va); if (rs >= sizeof(buffer)) { output = (char*)malloc(rs + 1); if (output == 0) { _error(telnet, __LINE__, __func__, TELNET_ENOMEM, 0, "malloc() failed: %s", strerror(errno)); return -1; } rs = vsnprintf(output, rs + 1, fmt, va); } /* send out the formatted data */ telnet_send(telnet, output, rs); /* release allocated memory, if any */ if (output != buffer) { free(output); } return rs; } /* see telnet_raw_vprintf */ int telnet_raw_printf(telnet_t *telnet, const char *fmt, ...) { va_list va; int rs; va_start(va, fmt); rs = telnet_raw_vprintf(telnet, fmt, va); va_end(va); return rs; } /* begin NEW-ENVIRON subnegotation */ void telnet_begin_newenviron(telnet_t *telnet, unsigned char cmd) { telnet_begin_sb(telnet, TELNET_TELOPT_NEW_ENVIRON); } /* send a NEW-ENVIRON value */ void telnet_newenviron_value(telnet_t *telnet, unsigned char type, const char *string) { telnet_send(telnet, (char*)&type, 1); if (string != 0) { telnet_send(telnet, string, strlen(string)); } } /* send TERMINAL-TYPE SEND command */ void telnet_ttype_send(telnet_t *telnet) { static const unsigned char SEND[] = { TELNET_IAC, TELNET_SB, TELNET_TELOPT_TTYPE, TELNET_TTYPE_SEND, TELNET_IAC, TELNET_SE }; _sendu(telnet, SEND, sizeof(SEND)); } /* send TERMINAL-TYPE IS command */ void telnet_ttype_is(telnet_t *telnet, const char* ttype) { static const unsigned char IS[] = { TELNET_IAC, TELNET_SB, TELNET_TELOPT_TTYPE, TELNET_TTYPE_IS }; _sendu(telnet, IS, sizeof(IS)); _send(telnet, ttype, strlen(ttype)); telnet_finish_sb(telnet); } /* send ZMP data */ void telnet_send_zmp(telnet_t *telnet, size_t argc, const char **argv) { size_t i; /* ZMP header */ telnet_begin_zmp(telnet, argv[0]); /* send out each argument, including trailing NUL byte */ for (i = 1; i != argc; ++i) telnet_zmp_arg(telnet, argv[i]); /* ZMP footer */ telnet_finish_zmp(telnet); } /* send ZMP data using varargs */ void telnet_send_vzmpv(telnet_t *telnet, va_list va) { const char* arg; /* ZMP header */ telnet_begin_sb(telnet, TELNET_TELOPT_ZMP); /* send out each argument, including trailing NUL byte */ while ((arg = va_arg(va, const char *)) != 0) telnet_zmp_arg(telnet, arg); /* ZMP footer */ telnet_finish_zmp(telnet); } /* see telnet_send_vzmpv */ void telnet_send_zmpv(telnet_t *telnet, ...) { va_list va; va_start(va, telnet); telnet_send_vzmpv(telnet, va); va_end(va); } /* begin a ZMP command */ void telnet_begin_zmp(telnet_t *telnet, const char *cmd) { telnet_begin_sb(telnet, TELNET_TELOPT_ZMP); telnet_zmp_arg(telnet, cmd); } /* send a ZMP argument */ void telnet_zmp_arg(telnet_t *telnet, const char* arg) { telnet_send(telnet, arg, strlen(arg) + 1); }