4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
14 * Revision 1.17 2008/02/27 09:42:21 james
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17 * Revision 1.16 2008/02/27 01:31:38 james
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20 * Revision 1.15 2008/02/27 01:31:14 james
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29 * Revision 1.12 2008/02/23 11:48:52 james
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32 * Revision 1.11 2008/02/20 20:16:07 james
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35 * Revision 1.10 2008/02/20 19:44:37 james
38 * Revision 1.9 2008/02/20 18:49:11 staffcvs
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41 * Revision 1.8 2008/02/20 18:33:37 james
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44 * Revision 1.7 2008/02/20 18:31:44 james
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47 * Revision 1.6 2008/02/20 17:18:33 james
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50 * Revision 1.5 2008/02/20 15:50:14 james
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53 * Revision 1.4 2008/02/20 02:11:35 james
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56 * Revision 1.3 2008/02/14 02:46:44 james
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59 * Revision 1.2 2008/02/14 00:57:58 james
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62 * Revision 1.1 2008/02/05 14:25:49 james
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67 #include <sys/types.h>
71 #include <sys/utsname.h>
80 extern void usage (void);
82 static char hostname[1024];
93 ret = (int) strtol (a, &end, 0);
102 fatal_moan (char *fmt, ...)
108 vfprintf (stderr, fmt, ap);
117 /*make the path in fmt from home (hence the name) */
120 mome (char *fmt, ...)
130 home = getenv ("HOME");
134 homelen = strlen (home) + 1;
136 size = 1024 + homelen;
141 fatal_moan ("malloc failed");
151 n = vsnprintf (buf + homelen, size - homelen, fmt, ap);
154 if (n > -1 && n < (size - homelen))
157 if (n > -1) /* glibc 2.1 */
158 size = homelen + n + 1;
160 size *= 2; /* twice the old size */
162 buf = realloc (buf, size);
165 fatal_moan ("malloc failed");
177 char *sockdir = mome ("/.sympathy/");
178 DIR *dir = opendir (sockdir);
182 int hostname_len = strlen (hostname);
185 fatal_moan ("can't examine %s for sockets", sockdir);
190 while ((ent = readdir (dir)))
192 sn = mome (".sympathy/%s", ent->d_name);
193 if (stat (sn, &buf) || (!S_ISSOCK (buf.st_mode)))
199 s = socket_connect (sn);
203 printf ("\t%s (Active)\n", ent->d_name);
208 if (strncmp (ent->d_name, hostname, hostname_len))
210 printf ("\t%s (Unknown - not this host)\n", ent->d_name);
214 printf ("\t%s (Dead, wiped)\n", ent->d_name);
235 strcpy (hostname, "unknown.");
240 strcpy (hostname, name.nodename);
241 strcat (hostname, ".");
246 main (int argc, char *argv[])
250 extern int optind, opterr, optopt;
251 CRT_Pos size={VT102_COLS_80,VT102_ROWS};
256 Socket *server_socket = NULL, *client_socket = NULL;
266 memset (oflags, 0, sizeof (oflags));
267 memset (oargs, 0, sizeof (oargs));
268 while ((c = getopt (argc, argv, "vw:utscr:lKHd:pb:fL:Fk:n:")) != EOF)
277 if ((c > 64) && (c < 91))
282 else if ((c > 96) && (c < 123))
289 fprintf (stderr, "unknown option %c\n", c);
296 /*Compatability for screen's ls */
301 if (!oflags['s'] && !oflags['c'] && !oflags['t'] && !oflags['r']
304 /*If no mode is specified behave like screen */
313 sum += (oflags['s'] || oflags['c']) ? 1 : 0;
319 fatal_moan ("specifiy exactly one of ( -c and or -s ), -t, -r, -l and -v");
323 fprintf("Version: %s\n",libsympathy_version());
328 return list_sockets ();
331 if (oflags['r'] && oflags['k'])
332 fatal_moan ("-k is incompatible with -r");
337 history = safe_atoi (oargs['n']);
339 fatal_moan ("cannot parse -n %s as an integer", oargs['n']);
342 fatal_moan ("agrument to -n must be greater than zero");
348 int id = safe_atoi (oargs['r']);
350 fatal_moan ("cannot parse -r %s as an integer", oargs['r']);
353 oargs['k'] = mome ("/.sympathy/%s%d", hostname, id);
358 if (oflags['p'] && oflags['d'])
359 fatal_moan ("-p incompatible with -d");
361 /*implement server and client by opening the server socket to prevent */
362 /*a race condition, and then forking and munging the cmd line options */
363 /*in the parent and child so that the child is the server and the */
364 /*parent becomes its client */
366 if (oflags['c'] && oflags['s'] && oflags['F'])
367 fatal_moan ("-F is incompatible with -c -s");
369 if (oflags['s'] && !oflags['k'])
372 path = mome ("/.sympathy");
376 oargs['k'] = mome ("/.sympathy/%s%d", hostname, getpid ());
382 server_socket = socket_listen (oargs['k']);
384 fatal_moan ("failed to create socket %s for listening", oargs['k']);
387 if (oflags['s'] && oflags['c'])
391 case 0: /*child becomes the server */
396 fatal_moan ("fork failed");
409 socket_free_parent (server_socket);
410 server_socket = NULL;
416 if (oflags['c'] && !oflags['k'])
417 fatal_moan ("-c requires a socket to be specified with -s or -k");
419 if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
420 || oflags['L']) && oflags['c'])
421 fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f or -L");
423 if (oflags['t'] || oflags['s'])
425 if (!oflags['p'] && !oflags['d'])
432 strcpy(buf,oargs['w']);
437 size.y=safe_atoi(ptr);
439 size.x=safe_atoi(buf);
441 if ((size.x > VT102_MAX_COLS) || (size.x < 1))
442 fatal_moan ("-w requires a width between 1 and %d\n", VT102_MAX_COLS);
444 if ((size.y > VT102_ROWS) || (size.y < 1))
445 fatal_moan ("-w requires a height between 1 and %d\n", VT102_MAX_COLS);
449 if (oflags['s'] && !oflags['F'])
451 daemon (1, 0); /*incase socket is relative path, unlink then will fail */
455 if (oflags['s'] || oflags['t'])
460 log = file_log_new (oargs['L']);
462 fatal_moan ("unable to access log file %s", oargs['L']);
467 tty = ptty_open (NULL, NULL, &size);
469 fatal_moan ("unable to open a ptty");
474 serial_open (oargs['d'],
475 oflags['K'] ? SERIAL_LOCK_ACTIVE :
476 SERIAL_LOCK_PASSIVE);
478 fatal_moan ("unable to open serial port %s", oargs['d']);
483 int baud = safe_atoi (oargs['b']);
486 fatal_moan ("Unable to parse baudrate %s", oargs['b']);
488 tty_set_baud (tty, baud);
492 tty_set_flow (tty, oflags['f'] ? 1 : 0);
499 client_socket = socket_connect (oargs['k']);
501 fatal_moan ("failed to connect to socket %s", oargs['k']);
507 if (oflags['c'] || oflags['t'])
512 ansi = ansi_new_html (stdout);
516 terminal_register_handlers ();
518 ansi_new_from_terminal (terminal_open (0, 1),
519 oflags['u'] ? 0 : 1);
520 ansi->reset (ansi, NULL);
524 mainloop (tty, server_socket, client_socket, ansi, log, history, &size);
538 socket_free (server_socket);
540 socket_free (client_socket);
543 printf ("you have now exited sympathy\n");