4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
14 * Revision 1.16 2008/02/27 01:31:38 james
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17 * Revision 1.15 2008/02/27 01:31:14 james
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20 * Revision 1.14 2008/02/24 00:43:55 james
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26 * Revision 1.12 2008/02/23 11:48:52 james
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29 * Revision 1.11 2008/02/20 20:16:07 james
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32 * Revision 1.10 2008/02/20 19:44:37 james
35 * Revision 1.9 2008/02/20 18:49:11 staffcvs
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38 * Revision 1.8 2008/02/20 18:33:37 james
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41 * Revision 1.7 2008/02/20 18:31:44 james
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44 * Revision 1.6 2008/02/20 17:18:33 james
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47 * Revision 1.5 2008/02/20 15:50:14 james
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50 * Revision 1.4 2008/02/20 02:11:35 james
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53 * Revision 1.3 2008/02/14 02:46:44 james
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56 * Revision 1.2 2008/02/14 00:57:58 james
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59 * Revision 1.1 2008/02/05 14:25:49 james
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64 #include <sys/types.h>
68 #include <sys/utsname.h>
77 extern void usage (void);
79 static char hostname[1024];
90 ret = (int) strtol (a, &end, 0);
99 fatal_moan (char *fmt, ...)
105 vfprintf (stderr, fmt, ap);
114 /*make the path in fmt from home (hence the name) */
117 mome (char *fmt, ...)
127 home = getenv ("HOME");
131 homelen = strlen (home) + 1;
133 size = 1024 + homelen;
138 fatal_moan ("malloc failed");
148 n = vsnprintf (buf + homelen, size - homelen, fmt, ap);
151 if (n > -1 && n < (size - homelen))
154 if (n > -1) /* glibc 2.1 */
155 size = homelen + n + 1;
157 size *= 2; /* twice the old size */
159 buf = realloc (buf, size);
162 fatal_moan ("malloc failed");
174 char *sockdir = mome ("/.sympathy/");
175 DIR *dir = opendir (sockdir);
179 int hostname_len = strlen (hostname);
182 fatal_moan ("can't examine %s for sockets", sockdir);
187 while ((ent = readdir (dir)))
189 sn = mome (".sympathy/%s", ent->d_name);
190 if (stat (sn, &buf) || (!S_ISSOCK (buf.st_mode)))
196 s = socket_connect (sn);
200 printf ("\t%s (Active)\n", ent->d_name);
205 if (strncmp (ent->d_name, hostname, hostname_len))
207 printf ("\t%s (Unknown - not this host)\n", ent->d_name);
211 printf ("\t%s (Dead, wiped)\n", ent->d_name);
232 strcpy (hostname, "unknown.");
237 strcpy (hostname, name.nodename);
238 strcat (hostname, ".");
243 main (int argc, char *argv[])
247 extern int optind, opterr, optopt;
248 int width = VT102_COLS_80;
253 Socket *server_socket = NULL, *client_socket = NULL;
263 memset (oflags, 0, sizeof (oflags));
264 memset (oargs, 0, sizeof (oargs));
265 while ((c = getopt (argc, argv, "w:utscr:lKHd:pb:fL:Fk:n:")) != EOF)
274 if ((c > 64) && (c < 91))
279 else if ((c > 96) && (c < 123))
286 fprintf (stderr, "unknown option %c\n", c);
293 /*Compatability for screen's ls */
298 if (!oflags['s'] && !oflags['c'] && !oflags['t'] && !oflags['r']
301 /*If no mode is specified behave like screen */
310 sum += (oflags['s'] || oflags['c']) ? 1 : 0;
315 fatal_moan ("specifiy exactly one of ( -c and or -s ), -t, -r and -l");
320 return list_sockets ();
323 if (oflags['r'] && oflags['k'])
324 fatal_moan ("-k is incompatible with -r");
329 history = safe_atoi (oargs['n']);
331 fatal_moan ("cannot parse -n %s as an integer", oargs['n']);
334 fatal_moan ("agrument to -n must be greater than zero");
340 int id = safe_atoi (oargs['r']);
342 fatal_moan ("cannot parse -r %s as an integer", oargs['r']);
345 oargs['k'] = mome ("/.sympathy/%s%d", hostname, id);
350 if (oflags['p'] && oflags['d'])
351 fatal_moan ("-p incompatible with -d");
353 /*implement server and client by opening the server socket to prevent */
354 /*a race condition, and then forking and munging the cmd line options */
355 /*in the parent and child so that the child is the server and the */
356 /*parent becomes its client */
358 if (oflags['c'] && oflags['s'] && oflags['F'])
359 fatal_moan ("-F is incompatible with -c -s");
361 if (oflags['s'] && !oflags['k'])
364 path = mome ("/.sympathy");
368 oargs['k'] = mome ("/.sympathy/%s%d", hostname, getpid ());
374 server_socket = socket_listen (oargs['k']);
376 fatal_moan ("failed to create socket %s for listening", oargs['k']);
379 if (oflags['s'] && oflags['c'])
383 case 0: /*child becomes the server */
388 fatal_moan ("fork failed");
401 socket_free_parent (server_socket);
402 server_socket = NULL;
408 if (oflags['c'] && !oflags['k'])
409 fatal_moan ("-c requires a socket to be specified with -s or -k");
411 if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
412 || oflags['L']) && oflags['c'])
413 fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f or -L");
415 if (oflags['t'] || oflags['s'])
417 if (!oflags['p'] && !oflags['d'])
423 width = safe_atoi (oargs['w']);
424 if ((width > VT102_MAX_COLS) || (width < 1))
425 fatal_moan ("-w requires a width between 1 and %d\n", VT102_MAX_COLS);
428 if (oflags['s'] && !oflags['F'])
430 daemon (1, 0); /*incase socket is relative path, unlink then will fail */
434 if (oflags['s'] || oflags['t'])
439 log = file_log_new (oargs['L']);
441 fatal_moan ("unable to access log file %s", oargs['L']);
446 tty = ptty_open (NULL, NULL, width);
448 fatal_moan ("unable to open a ptty");
453 serial_open (oargs['d'],
454 oflags['K'] ? SERIAL_LOCK_ACTIVE :
455 SERIAL_LOCK_PASSIVE);
457 fatal_moan ("unable to open serial port %s", oargs['d']);
462 int baud = safe_atoi (oargs['b']);
465 fatal_moan ("Unable to parse baudrate %s", oargs['b']);
467 tty_set_baud (tty, baud);
471 tty_set_flow (tty, oflags['f'] ? 1 : 0);
478 client_socket = socket_connect (oargs['k']);
480 fatal_moan ("failed to connect to socket %s", oargs['k']);
486 if (oflags['c'] || oflags['t'])
491 ansi = ansi_new_html (stdout);
495 terminal_register_handlers ();
497 ansi_new_from_terminal (terminal_open (0, 1),
498 oflags['u'] ? 0 : 1);
499 ansi->reset (ansi, NULL);
503 mainloop (tty, server_socket, client_socket, ansi, log, history, width);
517 socket_free (server_socket);
519 socket_free (client_socket);
522 printf ("you have now exited sympathy\n");