bsd-getpeereid.c revision 285830
1251607Sdim/* 2251607Sdim * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org> 3251607Sdim * 4251607Sdim * Permission to use, copy, modify, and distribute this software for any 5251607Sdim * purpose with or without fee is hereby granted, provided that the above 6251607Sdim * copyright notice and this permission notice appear in all copies. 7251607Sdim * 8251607Sdim * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9251607Sdim * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10251607Sdim * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11251607Sdim * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12251607Sdim * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13251607Sdim * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14251607Sdim * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15251607Sdim */ 16251607Sdim 17251607Sdim#include "includes.h" 18251607Sdim 19251607Sdim#if !defined(HAVE_GETPEEREID) 20251607Sdim 21251607Sdim#include <sys/types.h> 22251607Sdim#include <sys/socket.h> 23251607Sdim 24251607Sdim#include <unistd.h> 25251607Sdim 26251607Sdim#if defined(SO_PEERCRED) 27251607Sdimint 28251607Sdimgetpeereid(int s, uid_t *euid, gid_t *gid) 29251607Sdim{ 30251607Sdim struct ucred cred; 31251607Sdim 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#elif defined(HAVE_GETPEERUCRED) 41 42#ifdef HAVE_UCRED_H 43# include <ucred.h> 44#endif 45 46int 47getpeereid(int s, uid_t *euid, gid_t *gid) 48{ 49 ucred_t *ucred = NULL; 50 51 if (getpeerucred(s, &ucred) == -1) 52 return (-1); 53 if ((*euid = ucred_geteuid(ucred)) == -1) 54 return (-1); 55 if ((*gid = ucred_getrgid(ucred)) == -1) 56 return (-1); 57 58 ucred_free(ucred); 59 60 return (0); 61} 62#else 63int 64getpeereid(int s, uid_t *euid, gid_t *gid) 65{ 66 *euid = geteuid(); 67 *gid = getgid(); 68 69 return (0); 70} 71#endif /* defined(SO_PEERCRED) */ 72 73#endif /* !defined(HAVE_GETPEEREID) */ 74