crypto/openssh-3.9p1/openbsd-compat/bsd-getpeereid.c

   1 /*
   2  * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org>
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include "includes.h"
  18
  19 RCSID("$Id: bsd-getpeereid.c,v 1.3 2004/02/17 05:49:55 djm Exp $");
  20
  21 #if !defined(HAVE_GETPEEREID)
  22
  23 #if defined(SO_PEERCRED)
  24 int
  25 getpeereid(int s, uid_t *euid, gid_t *gid)
  26 {
  27         struct ucred cred;
  28         socklen_t len = sizeof(cred);
  29
  30         if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0)
  31                 return (-1);
  32         *euid = cred.uid;
  33         *gid = cred.gid;
  34
  35         return (0);
  36 }
  37 #else
  38 int
  39 getpeereid(int s, uid_t *euid, gid_t *gid)
  40 {
  41         *euid = geteuid();
  42         *gid = getgid();
  43
  44         return (0);
  45 }
  46 #endif /* defined(SO_PEERCRED) */
  47
  48 #endif /* !defined(HAVE_GETPEEREID) */