4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
14 * Revision 1.20 2008/02/27 10:00:34 james
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38 * Revision 1.12 2008/02/23 11:48:52 james
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41 * Revision 1.11 2008/02/20 20:16:07 james
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44 * Revision 1.10 2008/02/20 19:44:37 james
47 * Revision 1.9 2008/02/20 18:49:11 staffcvs
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50 * Revision 1.8 2008/02/20 18:33:37 james
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56 * Revision 1.6 2008/02/20 17:18:33 james
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59 * Revision 1.5 2008/02/20 15:50:14 james
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62 * Revision 1.4 2008/02/20 02:11:35 james
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68 * Revision 1.2 2008/02/14 00:57:58 james
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71 * Revision 1.1 2008/02/05 14:25:49 james
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76 #include <sys/types.h>
80 #include <sys/utsname.h>
89 extern void usage (void);
91 static char hostname[1024];
102 ret = (int) strtol (a, &end, 0);
111 fatal_moan (char *fmt, ...)
117 vfprintf (stderr, fmt, ap);
126 /*make the path in fmt from home (hence the name) */
129 mome (char *fmt, ...)
139 home = getenv ("HOME");
143 homelen = strlen (home) + 1;
145 size = 1024 + homelen;
150 fatal_moan ("malloc failed");
160 n = vsnprintf (buf + homelen, size - homelen, fmt, ap);
163 if (n > -1 && n < (size - homelen))
166 if (n > -1) /* glibc 2.1 */
167 size = homelen + n + 1;
169 size *= 2; /* twice the old size */
171 buf = realloc (buf, size);
174 fatal_moan ("malloc failed");
186 char *sockdir = mome ("/.sympathy/");
187 DIR *dir = opendir (sockdir);
191 int hostname_len = strlen (hostname);
194 fatal_moan ("can't examine %s for sockets", sockdir);
199 while ((ent = readdir (dir)))
201 sn = mome (".sympathy/%s", ent->d_name);
202 if (stat (sn, &buf) || (!S_ISSOCK (buf.st_mode)))
208 s = socket_connect (sn);
212 printf ("\t%s (Active)\n", ent->d_name);
217 if (strncmp (ent->d_name, hostname, hostname_len))
219 printf ("\t%s (Unknown - not this host)\n", ent->d_name);
223 printf ("\t%s (Dead, wiped)\n", ent->d_name);
244 strcpy (hostname, "unknown.");
249 strcpy (hostname, name.nodename);
250 strcat (hostname, ".");
255 main (int argc, char *argv[])
259 extern int optind, opterr, optopt;
260 CRT_Pos size = { VT102_COLS_80, VT102_ROWS };
265 Socket *server_socket = NULL, *client_socket = NULL;
275 memset (oflags, 0, sizeof (oflags));
276 memset (oargs, 0, sizeof (oargs));
277 while ((c = getopt (argc, argv, "vw:utscr:lKHd:pb:fL:Fk:n:")) != EOF)
286 if ((c > 64) && (c < 91))
291 else if ((c > 96) && (c < 123))
298 fprintf (stderr, "unknown option %c\n", c);
305 /*Compatability for screen's ls */
313 sum += (oflags['s'] || oflags['c']) ? 1 : 0;
319 /*If no mode is specified behave like screen */
327 ("specifiy exactly one of ( -c and or -s ), -t, -r, -l and -v");
332 fprintf (stderr, "Version: %s\n", libsympathy_version ());
333 fprintf (stderr, "Version: %s\n", rcsid);
338 return list_sockets ();
341 if (oflags['r'] && oflags['k'])
342 fatal_moan ("-k is incompatible with -r");
347 history = safe_atoi (oargs['n']);
349 fatal_moan ("cannot parse -n %s as an integer", oargs['n']);
352 fatal_moan ("agrument to -n must be greater than zero");
358 int id = safe_atoi (oargs['r']);
360 fatal_moan ("cannot parse -r %s as an integer", oargs['r']);
363 oargs['k'] = mome ("/.sympathy/%s%d", hostname, id);
368 if (oflags['p'] && oflags['d'])
369 fatal_moan ("-p incompatible with -d");
371 /*implement server and client by opening the server socket to prevent */
372 /*a race condition, and then forking and munging the cmd line options */
373 /*in the parent and child so that the child is the server and the */
374 /*parent becomes its client */
376 if (oflags['c'] && oflags['s'] && oflags['F'])
377 fatal_moan ("-F is incompatible with -c -s");
379 if (oflags['s'] && !oflags['k'])
382 path = mome ("/.sympathy");
386 oargs['k'] = mome ("/.sympathy/%s%d", hostname, getpid ());
392 server_socket = socket_listen (oargs['k']);
394 fatal_moan ("failed to create socket %s for listening", oargs['k']);
397 if (oflags['s'] && oflags['c'])
401 case 0: /*child becomes the server */
406 fatal_moan ("fork failed");
419 socket_free_parent (server_socket);
420 server_socket = NULL;
426 if (oflags['c'] && !oflags['k'])
427 fatal_moan ("-c requires a socket to be specified with -s or -k");
429 if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
430 || oflags['L']) && oflags['c'])
431 fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f or -L");
433 if (oflags['t'] || oflags['s'])
435 if (!oflags['p'] && !oflags['d'])
442 strcpy (buf, oargs['w']);
443 ptr = index (buf, 'x');
448 size.y = safe_atoi (ptr);
450 size.x = safe_atoi (buf);
452 if ((size.x > VT102_MAX_COLS) || (size.x < 1))
453 fatal_moan ("-w requires a width between 1 and %d\n", VT102_MAX_COLS);
455 if ((size.y > VT102_ROWS) || (size.y < 1))
456 fatal_moan ("-w requires a height between 1 and %d\n",
461 if (oflags['s'] && !oflags['F'])
463 daemon (1, 0); /*incase socket is relative path, unlink then will fail */
467 if (oflags['s'] || oflags['t'])
472 log = file_log_new (oargs['L']);
474 fatal_moan ("unable to access log file %s", oargs['L']);
479 tty = ptty_open (NULL, NULL, &size);
481 fatal_moan ("unable to open a ptty");
486 serial_open (oargs['d'],
487 oflags['K'] ? SERIAL_LOCK_ACTIVE :
488 SERIAL_LOCK_PASSIVE);
490 fatal_moan ("unable to open serial port %s", oargs['d']);
495 int baud = safe_atoi (oargs['b']);
498 fatal_moan ("Unable to parse baudrate %s", oargs['b']);
500 tty_set_baud (tty, baud);
504 tty_set_flow (tty, oflags['f'] ? 1 : 0);
511 client_socket = socket_connect (oargs['k']);
513 fatal_moan ("failed to connect to socket %s", oargs['k']);
519 if (oflags['c'] || oflags['t'])
524 ansi = ansi_new_html (stdout);
528 terminal_register_handlers ();
530 ansi_new_from_terminal (terminal_open (0, 1),
531 oflags['u'] ? 0 : 1);
532 ansi->reset (ansi, NULL);
536 mainloop (tty, server_socket, client_socket, ansi, log, history, &size);
550 socket_free (server_socket);
552 socket_free (client_socket);
555 printf ("you have now exited sympathy\n");