/*** open_unixsock ************************************************************/
int open_unixsock(struct in_addr inetaddr)
{
struct sockaddr_un where;
struct stat st;
char *dir;
int s;
if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
warn("socket: %s", strerror(errno));
return s;
}
callmgr_name_unixsock( &where, inetaddr, localbind);
if (stat(where.sun_path, &st) >= 0)
{
warn("Call manager for %s is already running.", inet_ntoa(inetaddr));
close(s); return -1;
}
/* Make sure path is valid. */
dir = dirnamex(where.sun_path);
if (!make_valid_path(dir, 0770))
fatal("Could not make path to %s: %s", where.sun_path, strerror(errno));
free(dir);
if (bind(s, (struct sockaddr *) &where, sizeof(where)) < 0) {
warn("bind: %s", strerror(errno));
close(s); return -1;
}
chmod(where.sun_path, 0777);
listen(s, 127);
return s;
}
/* ensure dirname exists, creating it if necessary. */
int make_valid_path(char *dir, mode_t mode)
{
struct stat st;
char *tmp = NULL, *path = stripslash(strdup(dir));
int retval;
if (stat(path, &st) == 0) { /* file exists */
if (S_ISDIR(st.st_mode)) { retval = 1; goto end; }
else { retval = 0; goto end; } /* not a directory. Oops. */
}
/* Directory doesn't exist. Let's make it. */
/* Make parent first. */
if (!make_valid_path(tmp = dirnamex(path), mode)) { retval = 0; goto end; }
/* Now make this 'un. */
if (mkdir(path, mode) < 0) { retval = 0; goto end; }
/* Success. */
retval = 1;
end:
if (tmp != NULL) free(tmp);
if (path != NULL) free(path);
return retval;
}
