bsd-getpeereid.c revision 162852
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#if !defined(HAVE_GETPEEREID) 20 21#include <sys/types.h> 22#include <sys/socket.h> 23 24#include <unistd.h> 25 26#if defined(SO_PEERCRED) 27int 28getpeereid(int s, uid_t *euid, gid_t *gid) 29{ 30 struct ucred cred; 31 socklen_t len = sizeof(cred); 32 33 if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) 34 return (-1); 35 *euid = cred.uid; 36 *gid = cred.gid; 37 38 return (0); 39} 40#else 41int 42getpeereid(int s, uid_t *euid, gid_t *gid) 43{ 44 *euid = geteuid(); 45 *gid = getgid(); 46 47 return (0); 48} 49#endif /* defined(SO_PEERCRED) */ 50 51#endif /* !defined(HAVE_GETPEEREID) */ 52