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-rw-r--r--apps/sympathy.c703
1 files changed, 389 insertions, 314 deletions
diff --git a/apps/sympathy.c b/apps/sympathy.c
index ff3a8bc..f5ed2e0 100644
--- a/apps/sympathy.c
+++ b/apps/sympathy.c
@@ -11,6 +11,9 @@ static char rcsid[] =
/*
* $Log$
+ * Revision 1.32 2008/03/03 06:04:42 james
+ * *** empty log message ***
+ *
* Revision 1.31 2008/03/03 06:04:18 james
* *** empty log message ***
*
@@ -160,15 +163,18 @@ fatal_moan (char *fmt, ...)
exit (1);
}
-static void sigchld(int dummy)
+static void
+sigchld (int dummy)
{
-int status;
- wait3(&status,WNOHANG,NULL);
+ int status;
+ wait3 (&status, WNOHANG, NULL);
}
/*Dispell zombies, from for example log compression*/
-void garlic(void) {
-struct sigaction sa;
+void
+garlic (void)
+{
+ struct sigaction sa;
sa.sa_handler = sigchld;
sa.sa_flags = SA_RESTART;
@@ -186,25 +192,26 @@ teedious_snprintf (char *fmt, va_list ap)
if (!buf)
fatal_moan ("malloc failed");
- while (1) {
+ while (1)
+ {
- va_copy (aq, ap);
- n = vsnprintf (buf, size, fmt, aq);
- va_end (aq);
+ va_copy (aq, ap);
+ n = vsnprintf (buf, size, fmt, aq);
+ va_end (aq);
- if (n > -1 && n < (size))
- return buf;
+ if (n > -1 && n < (size))
+ return buf;
- if (n > -1) /* glibc 2.1 */
- size = n + 1;
- else /* glibc 2.0 */
- size *= 2; /* twice the old size */
+ if (n > -1) /* glibc 2.1 */
+ size = n + 1;
+ else /* glibc 2.0 */
+ size *= 2; /* twice the old size */
- buf = realloc (buf, size);
+ buf = realloc (buf, size);
- if (!buf)
- fatal_moan ("malloc failed");
- }
+ if (!buf)
+ fatal_moan ("malloc failed");
+ }
}
@@ -242,13 +249,16 @@ mome (char *fmt, ...)
if (!home)
return NULL;
- if (fmt) {
- va_start (ap, fmt);
- leaf = teedious_snprintf (fmt, ap);
- va_end (ap);
- } else {
- leaf = NULL;
- }
+ if (fmt)
+ {
+ va_start (ap, fmt);
+ leaf = teedious_snprintf (fmt, ap);
+ va_end (ap);
+ }
+ else
+ {
+ leaf = NULL;
+ }
ret = gloo_paths (home, leaf);
if (leaf)
@@ -266,40 +276,48 @@ find_socket (char *fmt, ...)
va_list ap;
- if (fmt) {
- va_start (ap, fmt);
- leaf = teedious_snprintf (fmt, ap);
- va_end (ap);
- } else {
- leaf = NULL;
- }
+ if (fmt)
+ {
+ va_start (ap, fmt);
+ leaf = teedious_snprintf (fmt, ap);
+ va_end (ap);
+ }
+ else
+ {
+ leaf = NULL;
+ }
- for (ptr = socket_dirs; *ptr; ptr++) {
- if (**ptr == '~') {
- h = mome (*ptr + 1);
- } else {
- h = *ptr;
- }
+ for (ptr = socket_dirs; *ptr; ptr++)
+ {
+ if (**ptr == '~')
+ {
+ h = mome (*ptr + 1);
+ }
+ else
+ {
+ h = *ptr;
+ }
- if (!h)
- continue;
+ if (!h)
+ continue;
- path = gloo_paths (h, leaf);
- if (**ptr == '~')
- free (h);
+ path = gloo_paths (h, leaf);
+ if (**ptr == '~')
+ free (h);
- ret = socket_connect (path);
+ ret = socket_connect (path);
- free (path);
+ free (path);
- if (ret) {
- free (leaf);
- return ret;
- }
+ if (ret)
+ {
+ free (leaf);
+ return ret;
+ }
- }
+ }
free (leaf);
return NULL;
@@ -327,30 +345,38 @@ list_sockets_in_dir (char *sockdir)
rewinddir (dir);
- while ((ent = readdir (dir))) {
- sn = gloo_paths (sockdir, ent->d_name);
- if (stat (sn, &buf) || (!S_ISSOCK (buf.st_mode))) {
- free (sn);
- continue;
- }
+ while ((ent = readdir (dir)))
+ {
+ sn = gloo_paths (sockdir, ent->d_name);
+ if (stat (sn, &buf) || (!S_ISSOCK (buf.st_mode)))
+ {
+ free (sn);
+ continue;
+ }
+
+ s = socket_connect (sn);
+
+ if (s)
+ {
+ printf ("\t%s (Active)\n", sn);
+ socket_free (s);
+ }
+ else
+ {
+ if (strncmp (ent->d_name, hostname, hostname_len))
+ {
+ printf ("\t%s (Unknown - not this host)\n", sn);
+ }
+ else
+ {
+ printf ("\t%s (Dead, wiped)\n", sn);
+ unlink (sn);
+ }
+ }
- s = socket_connect (sn);
-
- if (s) {
- printf ("\t%s (Active)\n", sn);
- socket_free (s);
- } else {
- if (strncmp (ent->d_name, hostname, hostname_len)) {
- printf ("\t%s (Unknown - not this host)\n", sn);
- } else {
- printf ("\t%s (Dead, wiped)\n", sn);
- unlink (sn);
- }
+ free (sn);
}
- free (sn);
- }
-
closedir (dir);
return 0;
@@ -362,22 +388,26 @@ list_sockets (void)
char **ptr, *h;
- for (ptr = socket_dirs; *ptr; ptr++) {
- if (**ptr == '~') {
- h = mome (*ptr + 1);
- } else {
- h = *ptr;
- }
+ for (ptr = socket_dirs; *ptr; ptr++)
+ {
+ if (**ptr == '~')
+ {
+ h = mome (*ptr + 1);
+ }
+ else
+ {
+ h = *ptr;
+ }
- if (!h)
- continue;
+ if (!h)
+ continue;
- list_sockets_in_dir (h);
+ list_sockets_in_dir (h);
- if (**ptr == '~')
- free (h);
+ if (**ptr == '~')
+ free (h);
- }
+ }
return 0;
}
@@ -388,10 +418,11 @@ get_hostname (void)
{
struct utsname name;
- if (uname (&name)) {
- strcpy (hostname, "unknown.");
- return;
- }
+ if (uname (&name))
+ {
+ strcpy (hostname, "unknown.");
+ return;
+ }
strcpy (hostname, name.nodename);
@@ -421,32 +452,39 @@ main (int argc, char *argv[])
int history = 200;
int pid;
- char *pid_file=NULL;
+ char *pid_file = NULL;
get_hostname ();
memset (oflags, 0, sizeof (oflags));
memset (oargs, 0, sizeof (oargs));
- while ((c = getopt (argc, argv, "RP: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 ();
- }
- }
+ while ((c = getopt (argc, argv, "RP: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'])
@@ -461,23 +499,25 @@ main (int argc, char *argv[])
sum += oflags['l'];
sum += oflags['v'];
- if (!sum) {
- /*If no mode is specified behave like screen */
- oflags['s']++;
- oflags['c']++;
- sum++;
- }
+ if (!sum)
+ {
+ /*If no mode is specified behave like screen */
+ oflags['s']++;
+ oflags['c']++;
+ sum++;
+ }
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['v'])
+ {
+ fprintf (stderr, "Version: %s\n", libsympathy_version ());
+ fprintf (stderr, "Version: %s\n", rcsid);
+ return 0;
+ }
if (oflags['l'])
return list_sockets ();
@@ -487,14 +527,15 @@ main (int argc, char *argv[])
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 (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");
- }
+ if (!history)
+ fatal_moan ("agrument to -n must be greater than zero");
+ }
/*Fold -r implies -c */
if (oflags['r'])
@@ -512,56 +553,60 @@ main (int argc, char *argv[])
/*server. If there's no -k argument the client (parent) needs */
/*to find out the pid of the server, we use a pipe */
- if (oflags['s'] && oflags['c']) {
- if (!oflags['k']) {
- csnok++;
- pipe (csnok_pipe);
- }
-
- switch (pid = fork ()) {
- case 0: /*child becomes the server */
- oflags['c'] = 0;
- oflags['H'] = 0;
-
- if (csnok)
- close (csnok_pipe[0]);
- break;
- case -1:
- fatal_moan ("fork failed");
- default: /*parent becomes client */
- oflags['s'] = 0;
- oflags['K'] = 0;
- oflags['d'] = 0;
- oflags['p'] = 0;
- oflags['b'] = 0;
- oflags['f'] = 0;
- oflags['L'] = 0;
- oflags['R'] = 0;
- oflags['P'] = 0;
- oflags['n'] = 0;
- oflags['w'] = 0;
-
- /*Collect the child */
- waitpid (pid, NULL, 0);
-
- /*if there was no k argument we need to find the */
- /*pid of the server process so that we can work out */
- /*what the socket is called. The server tells us on */
- /*a pipe */
-
- if (csnok) {
- close (csnok_pipe[1]);
-
- if (read (csnok_pipe[0], &pid, sizeof (pid)) != sizeof (pid))
- fatal_moan ("Failed to receive pid of server process");
-
- close (csnok_pipe[0]);
-
- oargs['k'] = mome ("/.sympathy/%s%d", hostname, pid);
- oflags['k']++;
- }
+ if (oflags['s'] && oflags['c'])
+ {
+ if (!oflags['k'])
+ {
+ csnok++;
+ pipe (csnok_pipe);
+ }
+
+ switch (pid = fork ())
+ {
+ case 0: /*child becomes the server */
+ oflags['c'] = 0;
+ oflags['H'] = 0;
+
+ if (csnok)
+ close (csnok_pipe[0]);
+ break;
+ case -1:
+ fatal_moan ("fork failed");
+ default: /*parent becomes client */
+ oflags['s'] = 0;
+ oflags['K'] = 0;
+ oflags['d'] = 0;
+ oflags['p'] = 0;
+ oflags['b'] = 0;
+ oflags['f'] = 0;
+ oflags['L'] = 0;
+ oflags['R'] = 0;
+ oflags['P'] = 0;
+ oflags['n'] = 0;
+ oflags['w'] = 0;
+
+ /*Collect the child */
+ waitpid (pid, NULL, 0);
+
+ /*if there was no k argument we need to find the */
+ /*pid of the server process so that we can work out */
+ /*what the socket is called. The server tells us on */
+ /*a pipe */
+
+ if (csnok)
+ {
+ close (csnok_pipe[1]);
+
+ if (read (csnok_pipe[0], &pid, sizeof (pid)) != sizeof (pid))
+ fatal_moan ("Failed to receive pid of server process");
+
+ close (csnok_pipe[0]);
+
+ oargs['k'] = mome ("/.sympathy/%s%d", hostname, pid);
+ oflags['k']++;
+ }
+ }
}
- }
if (oflags['c'] && !oflags['k'] && !oflags['r'])
@@ -569,179 +614,209 @@ main (int argc, char *argv[])
if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
|| oflags['L'] || oflags['R'] || oflags['P']) && oflags['c'])
- fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f, -R, -P or -L");
+ fatal_moan
+ ("-c or -r are incompatible with -p, -d, -K, -b, -f, -R, -P 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);
+ if (oflags['t'] || oflags['s'])
+ {
+ if (!oflags['p'] && !oflags['d'])
+ oflags['p']++;
}
- 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_MAX_ROWS) || (size.y < 1))
- fatal_moan ("-w requires a height between 1 and %d\n", VT102_MAX_ROWS);
-
- }
-
- if (oflags['s'] && !oflags['F']) {
- /*nochdir incase socket is relative path, unlink then will fail */
- daemon (1, 0);
-
- }
-
- if (oflags['s']) {
- char *path;
- path = mome ("/.sympathy");
- mkdir (path, 0700);
- free (path);
+ 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_MAX_ROWS) || (size.y < 1))
+ fatal_moan ("-w requires a height between 1 and %d\n",
+ VT102_MAX_ROWS);
-
- if (!oflags['k']) {
- pid = getpid ();
-
- oargs['k'] = mome ("/.sympathy/%s%d", hostname, pid);
- oflags['k']++;
}
- server_socket = socket_listen (oargs['k']);
-
- /*Tell our parent's parent what our pid is */
- if (csnok) {
- pid = getpid ();
+ if (oflags['s'] && !oflags['F'])
+ {
+ /*nochdir incase socket is relative path, unlink then will fail */
+ daemon (1, 0);
- write (csnok_pipe[1], &pid, sizeof (pid));
- close (csnok_pipe[1]);
}
- if (!server_socket)
- fatal_moan ("failed to create socket %s for listening", oargs['k']);
-
- }
-
- if (oflags['s'] || oflags['t']) {
- if (oflags['P']) {
- FILE *fp;
- pid_file=oargs['P'];
- fp=fopen(pid_file,"w");
- if (fp) {
- fprintf(fp,"%d",getpid());
- fclose(fp);
- }
- }
- if (oflags['L']) {
- log = file_log_new (oargs['L'], oflags['R']);
- if (!log)
- fatal_moan ("unable to access log file %s", oargs['L']);
- }
+ if (oflags['s'])
+ {
+ char *path;
+ path = mome ("/.sympathy");
+ mkdir (path, 0700);
+ free (path);
- if (oflags['p']) {
- tty = ptty_open (NULL, NULL, &size);
- if (!tty)
- fatal_moan ("unable to open a ptty");
- } else {
- /*HACK-- check that console=device does not occur in */
- /*/proc/cmdline */
- if (!oargs['d'])
- fatal_moan ("no argument to -d");
- {
- char kernel_cmdline[4096] = { 0 };
- char search_string[1024] = "console=";
- char *ptr = oargs['d'];
- int fd;
+ if (!oflags['k'])
+ {
+ pid = getpid ();
- if (!strncmp ("/dev/", ptr, 5))
- ptr += 5;
+ oargs['k'] = mome ("/.sympathy/%s%d", hostname, pid);
+ oflags['k']++;
+ }
- strcat (search_string, ptr);
+ server_socket = socket_listen (oargs['k']);
- fd = open ("/proc/cmdline", O_RDONLY);
- read (fd, kernel_cmdline, sizeof (kernel_cmdline));
- close (fd);
+ /*Tell our parent's parent what our pid is */
+ if (csnok)
+ {
+ pid = getpid ();
- kernel_cmdline[sizeof (kernel_cmdline) - 1] = 0;
+ write (csnok_pipe[1], &pid, sizeof (pid));
+ close (csnok_pipe[1]);
+ }
- if (strstr (kernel_cmdline, search_string))
- fatal_moan ("/proc/cmdline contains %s", search_string);
- }
+ if (!server_socket)
+ fatal_moan ("failed to create socket %s for listening", oargs['k']);
- 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);
-
+ if (oflags['s'] || oflags['t'])
+ {
+ if (oflags['P'])
+ {
+ FILE *fp;
+ pid_file = oargs['P'];
+ fp = fopen (pid_file, "w");
+ if (fp)
+ {
+ fprintf (fp, "%d", getpid ());
+ fclose (fp);
+ }
+ }
+
+ if (oflags['L'])
+ {
+ log = file_log_new (oargs['L'], oflags['R']);
+ 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
+ {
+ /*HACK-- check that console=device does not occur in */
+ /*/proc/cmdline */
+ if (!oargs['d'])
+ fatal_moan ("no argument to -d");
+
+ {
+ char kernel_cmdline[4096] = { 0 };
+ char search_string[1024] = "console=";
+ char *ptr = oargs['d'];
+ int fd;
+
+ if (!strncmp ("/dev/", ptr, 5))
+ ptr += 5;
+
+ strcat (search_string, ptr);
+
+ fd = open ("/proc/cmdline", O_RDONLY);
+ read (fd, kernel_cmdline, sizeof (kernel_cmdline));
+ close (fd);
+
+ kernel_cmdline[sizeof (kernel_cmdline) - 1] = 0;
+
+ if (strstr (kernel_cmdline, search_string))
+ fatal_moan ("/proc/cmdline contains %s", search_string);
+ }
+
+ 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);
}
- tty_set_flow (tty, oflags['f'] ? 1 : 0);
- }
-
- if (oflags['r']) {
- char *id = oargs['r'];
+ if (oflags['r'])
+ {
+ char *id = oargs['r'];
- if (!id)
- fatal_moan ("-r requires an argument");
+ if (!id)
+ fatal_moan ("-r requires an argument");
- if (safe_atoi (id) > 0) {
- client_socket = find_socket ("%s%d", hostname, safe_atoi (id));
- } else {
- client_socket = find_socket ("%s", id);
- }
+ if (safe_atoi (id) > 0)
+ {
+ client_socket = find_socket ("%s%d", hostname, safe_atoi (id));
+ }
+ else
+ {
+ client_socket = find_socket ("%s", id);
+ }
- if (!client_socket)
- fatal_moan ("failed to find socket %s", oargs['r']);
+ if (!client_socket)
+ fatal_moan ("failed to find socket %s", oargs['r']);
- } else if (oflags['c']) {
- client_socket = socket_connect (oargs['k']);
-
- if (!client_socket)
- fatal_moan ("failed to connect to socket %s", oargs['k']);
+ }
+ else 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);
+ 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 (ansi)
+ {
+ ansi->close (ansi);
+ terminal_atexit ();
+ }
if (tty)
tty->close (tty);
@@ -754,7 +829,7 @@ main (int argc, char *argv[])
socket_free (client_socket);
if (pid_file)
- unlink(pid_file);
+ unlink (pid_file);
if (!oflags['H'])
printf ("you have now exited sympathy\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 18:52:39 +0000