-
- int s, len;
- struct sockaddr_un remote;
-
- if ((s = socket (AF_UNIX, SOCK_STREAM, 0)) == -1) {
- perror ("socket");
- exit (1);
- }
-
- remote.sun_family = AF_UNIX;
- strcpy (remote.sun_path, (char *) sockpath);
- len = strlen (remote.sun_path) + sizeof (remote.sun_family);
-
- if (connect (s, (struct sockaddr *) &remote, len) == -1) {
- perror ("connect");
- exit (1);
- }
-
- if (send (s, command, strlen (command), 0) == -1) {
- perror ("send");
- exit (1);
+
+
+ if (sockpath && command) {
+ int s, len;
+ struct sockaddr_un remote;
+ char tmp;
+
+ if ((s = socket (AF_UNIX, SOCK_STREAM, 0)) == -1) {
+ perror ("socket");
+ exit (EXIT_FAILURE);
+ }
+
+ remote.sun_family = AF_UNIX;
+ strcpy (remote.sun_path, (char *) sockpath);
+ len = strlen (remote.sun_path) + sizeof (remote.sun_family);
+
+ if (connect (s, (struct sockaddr *) &remote, len) == -1) {
+ perror ("connect");
+ exit (EXIT_FAILURE);
+ }
+
+ if ((send (s, command, strlen (command), 0) == -1) ||
+ (send (s, "\n", 1, 0) == -1)) {
+ perror ("send");
+ exit (EXIT_FAILURE);
+ }
+
+ while ((len = recv (s, &tmp, 1, 0))) {
+ putchar(tmp);
+ if (tmp == '\n')
+ break;
+ }
+
+ close(s);
+
+ return 0;
+ } else {
+ fprintf(stderr, "Usage: uzblctrl -s /path/to/socket -c \"command\"");
+ return 1;