init: Add support for SOCK_SEQPACKET socket type

Change-Id: Ib264ecf9beb2685b070436d2bdec9655c7a31b47
Signed-off-by: Mike Lockwood <lockwood@android.com>

init/init.c

@@ -206,9 +206,10 @@ void service_start(struct service *svc, const char *dynamic_args)
             add_environment(ei->name, ei->value);
 
         for (si = svc->sockets; si; si = si->next) {
-            int s = create_socket(si->name,
-                                  !strcmp(si->type, "dgram") ? 
-                                  SOCK_DGRAM : SOCK_STREAM,
+            int socket_type = (
+                    !strcmp(si->type, "stream") ? SOCK_STREAM :
+                        (!strcmp(si->type, "dgram") ? SOCK_DGRAM : SOCK_SEQPACKET));
+            int s = create_socket(si->name, socket_type,
                                   si->perm, si->uid, si->gid);
             if (s >= 0) {
                 publish_socket(si->name, s);

init/init_parser.c

@@ -587,8 +587,9 @@ static void parse_line_service(struct parse_state *state, int nargs, char **args
             parse_error(state, "socket option requires name, type, perm arguments\n");
             break;
         }
-        if (strcmp(args[2],"dgram") && strcmp(args[2],"stream")) {
-            parse_error(state, "socket type must be 'dgram' or 'stream'\n");
+        if (strcmp(args[2],"dgram") && strcmp(args[2],"stream")
+                && strcmp(args[2],"seqpacket")) {
+            parse_error(state, "socket type must be 'dgram', 'stream' or 'seqpacket'\n");
             break;
         }
         si = calloc(1, sizeof(*si));

init/readme.txt

@@ -72,7 +72,7 @@ setenv <name> <value>
 
 socket <name> <type> <perm> [ <user> [ <group> ] ]
    Create a unix domain socket named /dev/socket/<name> and pass
-   its fd to the launched process.  <type> must be "dgram" or "stream".
+   its fd to the launched process.  <type> must be "dgram", "stream" or "seqpacket".
    User and group default to 0.
 
 user <username>