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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2015-02-08 04:25:12 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2015-02-08 04:26:54 +0100
commita5eb23deb6956b1839fc28b0ca93324531e50d9b (patch)
treea7008132bc5c25d9ea362a867c5be197312627ac /sysdeps/mach/hurd/sendmsg.c
parent3999d26ead93990b244ada078073fb58fb8bb5be (diff)
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hurd: Ignore bytes beyond sockaddr length for AF_UNIX
Diffstat (limited to 'sysdeps/mach/hurd/sendmsg.c')
-rw-r--r--sysdeps/mach/hurd/sendmsg.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/sendmsg.c b/sysdeps/mach/hurd/sendmsg.c
index e375e242ef..34fd09c240 100644
--- a/sysdeps/mach/hurd/sendmsg.c
+++ b/sysdeps/mach/hurd/sendmsg.c
@@ -24,6 +24,7 @@
 #include <hurd/fd.h>
 #include <hurd/ifsock.h>
 #include <hurd/socket.h>
+#include "hurd/hurdsocket.h"
 
 /* Send a message described MESSAGE on socket FD.
    Returns the number of bytes sent, or -1 for errors.  */
@@ -104,9 +105,10 @@ __libc_sendmsg (int fd, const struct msghdr *message, int flags)
     {
       if (addr->sun_family == AF_LOCAL)
 	{
+	  char *name = _hurd_sun_path_dupa (addr, addr_len);
 	  /* For the local domain, we must look up the name as a file
 	     and talk to it with the ifsock protocol.  */
-	  file_t file = __file_name_lookup (addr->sun_path, 0, 0);
+	  file_t file = __file_name_lookup (name, 0, 0);
 	  if (file == MACH_PORT_NULL)
 	    {
 	      if (dealloc)