bsd-getpeereid.c revision 181111
1217309Snwhitehorn/* 2251843Sbapt * Copyright (c) 2002,2004 Damien Miller <djm@mindrot.org> 3217309Snwhitehorn * 4220749Snwhitehorn * Permission to use, copy, modify, and distribute this software for any 5217309Snwhitehorn * purpose with or without fee is hereby granted, provided that the above 6251843Sbapt * copyright notice and this permission notice appear in all copies. 7217309Snwhitehorn * 8217309Snwhitehorn * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9217309Snwhitehorn * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10217309Snwhitehorn * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11217309Snwhitehorn * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12217309Snwhitehorn * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13217309Snwhitehorn * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14217309Snwhitehorn * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15217309Snwhitehorn */ 16217309Snwhitehorn 17217309Snwhitehorn#include "includes.h" 18217309Snwhitehorn 19217309Snwhitehorn#if !defined(HAVE_GETPEEREID) 20217309Snwhitehorn 21217309Snwhitehorn#include <sys/types.h> 22217309Snwhitehorn#include <sys/socket.h> 23217309Snwhitehorn 24217309Snwhitehorn#include <unistd.h> 25217309Snwhitehorn 26217309Snwhitehorn#if defined(SO_PEERCRED) 27217309Snwhitehornint 28217309Snwhitehorngetpeereid(int s, uid_t *euid, gid_t *gid) 29217309Snwhitehorn{ 30217309Snwhitehorn struct ucred cred; 31217309Snwhitehorn socklen_t len = sizeof(cred); 32217309Snwhitehorn 33217309Snwhitehorn if (getsockopt(s, SOL_SOCKET, SO_PEERCRED, &cred, &len) < 0) 34217309Snwhitehorn return (-1); 35217309Snwhitehorn *euid = cred.uid; 36217309Snwhitehorn *gid = cred.gid; 37217309Snwhitehorn 38217309Snwhitehorn return (0); 39217309Snwhitehorn} 40217309Snwhitehorn#elif defined(HAVE_GETPEERUCRED) 41217309Snwhitehorn 42217309Snwhitehorn#ifdef HAVE_UCRED_H 43217309Snwhitehorn# include <ucred.h> 44217309Snwhitehorn#endif 45217309Snwhitehorn 46217309Snwhitehornint 47217309Snwhitehorngetpeereid(int s, uid_t *euid, gid_t *gid) 48217309Snwhitehorn{ 49217309Snwhitehorn ucred_t *ucred = NULL; 50217309Snwhitehorn 51217309Snwhitehorn if (getpeerucred(s, &ucred) == -1) 52217309Snwhitehorn return (-1); 53217309Snwhitehorn if ((*euid = ucred_geteuid(ucred)) == -1) 54217309Snwhitehorn return (-1); 55217309Snwhitehorn if ((*gid = ucred_getrgid(ucred)) == -1) 56217309Snwhitehorn return (-1); 57217309Snwhitehorn 58251843Sbapt ucred_free(ucred); 59217309Snwhitehorn 60217309Snwhitehorn return (0); 61217309Snwhitehorn} 62217309Snwhitehorn#else 63217309Snwhitehornint 64217309Snwhitehorngetpeereid(int s, uid_t *euid, gid_t *gid) 65217309Snwhitehorn{ 66217309Snwhitehorn *euid = geteuid(); 67217309Snwhitehorn *gid = getgid(); 68217309Snwhitehorn 69217309Snwhitehorn return (0); 70217309Snwhitehorn} 71217309Snwhitehorn#endif /* defined(SO_PEERCRED) */ 72217309Snwhitehorn 73217309Snwhitehorn#endif /* !defined(HAVE_GETPEEREID) */ 74217309Snwhitehorn