+ int c;
+ extern char *optarg;
+ extern int optind, opterr, optopt;
+ CRT_Pos size = { VT102_COLS_80, VT102_ROWS };
+
+ int oflags[128];
+ char *oargs[128];
+
+ Socket *server_socket = NULL, *client_socket = NULL;
+ ANSI *ansi = NULL;
+ TTY *tty = NULL;
+ Log *log = NULL;
+
+ int history = 200;
+
+
+ get_hostname ();
+
+ memset (oflags, 0, sizeof (oflags));
+ memset (oargs, 0, sizeof (oargs));
+ while ((c = getopt (argc, argv, "vw:utscr:lKHd:pb:fL:Fk:n:")) != EOF)
+ {
+ switch (c)
+ {
+ case ':':
+ case 'h':
+ case '?':
+ usage ();
+ default:
+ if ((c > 64) && (c < 91))
+ {
+ oflags[c]++;
+ oargs[c] = optarg;
+ }
+ else if ((c > 96) && (c < 123))
+ {
+ oflags[c]++;
+ oargs[c] = optarg;
+ }
+ else
+ {
+ fprintf (stderr, "unknown option %c\n", c);
+ usage ();
+ }
+ }
+
+ }
+
+ /*Compatability for screen's ls */
+ if (oflags['l'])
+ oflags['s'] = 0;
+
+
+ {
+ int sum = 0;
+ sum += oflags['t'];
+ sum += (oflags['s'] || oflags['c']) ? 1 : 0;
+ sum += oflags['r'];
+ sum += oflags['l'];
+ sum += oflags['v'];
+
+ if (!sum) {
+ /*If no mode is specified behave like screen */
+ oflags['s']++;
+ oflags['c']++;
+ }
+
+ if (sum != 1)
+ fatal_moan
+ ("specifiy exactly one of ( -c and or -s ), -t, -r, -l and -v");
+ }
+
+ if (oflags['v'])
+ {
+ fprintf (stderr, "Version: %s\n", libsympathy_version ());
+ fprintf (stderr, "Version: %s\n", rcsid);
+ return 0;
+ }
+
+ if (oflags['l'])
+ return list_sockets ();
+
+
+ if (oflags['r'] && oflags['k'])
+ fatal_moan ("-k is incompatible with -r");
+
+
+ if (oflags['n'])
+ {
+ history = safe_atoi (oargs['n']);
+ if (history < 0)
+ fatal_moan ("cannot parse -n %s as an integer", oargs['n']);
+
+ if (!history)
+ fatal_moan ("agrument to -n must be greater than zero");
+ }
+
+ /*Fold -r into -c */
+ if (oflags['r'])
+ {
+ int id = safe_atoi (oargs['r']);
+ if (id < 0)
+ fatal_moan ("cannot parse -r %s as an integer", oargs['r']);
+
+ oflags['k']++;
+ oargs['k'] = mome ("/.sympathy/%s%d", hostname, id);
+ oflags['r'] = 0;
+ oflags['c']++;
+ }
+
+ if (oflags['p'] && oflags['d'])
+ fatal_moan ("-p incompatible with -d");
+
+ /*implement server and client by opening the server socket to prevent */
+ /*a race condition, and then forking and munging the cmd line options */
+ /*in the parent and child so that the child is the server and the */
+ /*parent becomes its client */
+
+ if (oflags['c'] && oflags['s'] && oflags['F'])
+ fatal_moan ("-F is incompatible with -c -s");
+
+ if (oflags['s'] && !oflags['k'])
+ {
+ char *path;
+ path = mome ("/.sympathy");
+ mkdir (path, 0700);
+ free (path);
+
+ oargs['k'] = mome ("/.sympathy/%s%d", hostname, getpid ());
+ oflags['k']++;
+ }
+
+ if (oflags['s'])
+ {
+ server_socket = socket_listen (oargs['k']);
+ if (!server_socket)
+ fatal_moan ("failed to create socket %s for listening", oargs['k']);
+ }
+
+ if (oflags['s'] && oflags['c'])
+ {
+ switch (fork ())
+ {
+ case 0: /*child becomes the server */
+ oflags['c'] = 0;
+ oflags['H'] = 0;
+ break;
+ case -1:
+ fatal_moan ("fork failed");
+ default:
+ oflags['s'] = 0;
+ oflags['K'] = 0;
+ oflags['d'] = 0;
+ oflags['p'] = 0;
+ oflags['b'] = 0;
+ oflags['f'] = 0;
+ oflags['L'] = 0;
+ oflags['n'] = 0;
+ oflags['w'] = 0;
+ if (server_socket)
+ {
+ socket_free_parent (server_socket);
+ server_socket = NULL;
+ }
+ }
+ }
+
+
+ if (oflags['c'] && !oflags['k'])
+ fatal_moan ("-c requires a socket to be specified with -s or -k");
+
+ if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
+ || oflags['L']) && oflags['c'])
+ fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f or -L");
+
+ if (oflags['t'] || oflags['s'])
+ {
+ if (!oflags['p'] && !oflags['d'])
+ oflags['p']++;
+ }
+
+ if (oflags['w'])
+ {
+ char buf[128], *ptr;
+ strcpy (buf, oargs['w']);
+ ptr = index (buf, 'x');
+ if (ptr)
+ {
+ *ptr = 0;
+ ptr++;
+ size.y = safe_atoi (ptr);
+ }
+ size.x = safe_atoi (buf);
+
+ if ((size.x > VT102_MAX_COLS) || (size.x < 1))
+ fatal_moan ("-w requires a width between 1 and %d\n", VT102_MAX_COLS);
+
+ if ((size.y > VT102_ROWS) || (size.y < 1))
+ fatal_moan ("-w requires a height between 1 and %d\n",
+ VT102_MAX_COLS);
+
+ }
+
+ if (oflags['s'] && !oflags['F'])
+ {
+ daemon (1, 0); /*incase socket is relative path, unlink then will fail */
+ }
+
+
+ if (oflags['s'] || oflags['t'])
+ {
+
+ if (oflags['L'])
+ {
+ log = file_log_new (oargs['L']);
+ if (!log)
+ fatal_moan ("unable to access log file %s", oargs['L']);
+ }
+
+ if (oflags['p'])
+ {
+ tty = ptty_open (NULL, NULL, &size);
+ if (!tty)
+ fatal_moan ("unable to open a ptty");
+ }
+ else
+ {
+ tty =
+ serial_open (oargs['d'],
+ oflags['K'] ? SERIAL_LOCK_ACTIVE :
+ SERIAL_LOCK_PASSIVE);
+ if (!tty)
+ fatal_moan ("unable to open serial port %s", oargs['d']);
+ }
+
+ if (oflags['b'])
+ {
+ int baud = safe_atoi (oargs['b']);
+
+ if (baud < 0)
+ fatal_moan ("Unable to parse baudrate %s", oargs['b']);
+
+ tty_set_baud (tty, baud);
+
+ }
+
+ tty_set_flow (tty, oflags['f'] ? 1 : 0);
+
+ }
+
+ if (oflags['c'])
+ {
+
+ client_socket = socket_connect (oargs['k']);
+ if (!client_socket)
+ fatal_moan ("failed to connect to socket %s", oargs['k']);
+
+
+ }
+
+
+ if (oflags['c'] || oflags['t'])
+ {
+
+ if (oflags['H'])
+ {
+ ansi = ansi_new_html (stdout);
+ }
+ else
+ {
+ terminal_register_handlers ();
+ ansi =
+ ansi_new_from_terminal (terminal_open (0, 1),
+ oflags['u'] ? 0 : 1);
+ ansi->reset (ansi, NULL);
+ }
+ }
+
+ mainloop (tty, server_socket, client_socket, ansi, log, history, &size);
+
+ if (ansi)
+ {
+ ansi->close (ansi);
+ terminal_atexit ();
+ }
+
+ if (tty)
+ tty->close (tty);
+
+ if (log)
+ log->close (log);
+ if (server_socket)
+ socket_free (server_socket);
+ if (client_socket)
+ socket_free (client_socket);