[src/trunk]: src/lib/librumpuser Implement support for unix domain sockets (i...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/936a3f7ff268
branches:  trunk
changeset: 758474:936a3f7ff268
user:      pooka <pooka%NetBSD.org@localhost>
date:      Fri Nov 05 14:23:45 2010 +0000

description:
Implement support for unix domain sockets (important especially
for testing since we don't want to depend on global resources such
as tcp ports).

diffstat:

 lib/librumpuser/sp_common.c |  30 ++++++++++++++++++++++++++++--
 1 files changed, 28 insertions(+), 2 deletions(-)

diffs (58 lines):

diff -r 5027375fe2a2 -r 936a3f7ff268 lib/librumpuser/sp_common.c
--- a/lib/librumpuser/sp_common.c       Fri Nov 05 13:52:41 2010 +0000
+++ b/lib/librumpuser/sp_common.c       Fri Nov 05 14:23:45 2010 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: sp_common.c,v 1.1 2010/11/04 20:54:07 pooka Exp $     */
+/*      $NetBSD: sp_common.c,v 1.2 2010/11/05 14:23:45 pooka Exp $     */
 
 /*
  * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
@@ -34,6 +34,7 @@
 #include <sys/types.h>
 #include <sys/mman.h>
 #include <sys/socket.h>
+#include <sys/un.h>
 
 #include <arpa/inet.h>
 #include <netinet/in.h>
@@ -329,6 +330,31 @@
        return 0;
 }
 
+static int
+unix_parse(const char *addr, struct sockaddr **sa, int allow_wildcard)
+{
+       struct sockaddr_un sun;
+
+       if (strlen(addr) > sizeof(sun.sun_path))
+               return ENAMETOOLONG;
+
+       /*
+        * The pathname can be all kinds of spaghetti elementals,
+        * so meek and obidient we accept everything.
+        */
+       memset(&sun, 0, sizeof(sun));
+       sun.sun_family = AF_LOCAL;
+       strlcpy(sun.sun_path, addr, sizeof(sun.sun_path));
+       sun.sun_len = SUN_LEN(&sun);
+
+       *sa = malloc(sun.sun_len);
+       if (*sa == NULL)
+               return errno;
+       memcpy(*sa, &sun, sun.sun_len);
+
+       return 0;
+}
+
 /*ARGSUSED*/
 static int
 notsupp(void)
@@ -352,7 +378,7 @@
        connecthook_fn connhook;
 } parsetab[] = {
        { "tcp", PF_INET, tcp_parse, tcp_connecthook },
-       { "unix", PF_LOCAL, (addrparse_fn)notsupp, (connecthook_fn)success },
+       { "unix", PF_LOCAL, unix_parse, (connecthook_fn)success },
        { "tcp6", PF_INET6, (addrparse_fn)notsupp, (connecthook_fn)success },
 };
 #define NPARSE (sizeof(parsetab)/sizeof(parsetab[0]))