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/* Subset of uidswap.c from portable OpenSSH */
/* $OpenBSD: uidswap.c,v 1.35 2006/08/03 03:34:42 deraadt Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* Code for uid-swapping.
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
#include "includes.h"
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include "log.h"
int setresgid(uid_t rgid, uid_t egid, uid_t sgid)
{
#if defined(HAVE_SETRESGID) && !defined(BROKEN_SETRESGID)
if (setresgid(rgid, egid, sgid) < 0)
fatal("setresgid %u: %.100s", (u_int)rgid, strerror(errno));
#elif defined(HAVE_SETREGID) && !defined(BROKEN_SETREGID)
if (setregid(rgid, egid) < 0)
fatal("setregid %u: %.100s", (u_int)rgid, strerror(errno));
#else
if (setegid(egid) < 0)
fatal("setegid %u: %.100s", (u_int)egid, strerror(errno));
if (setgid(rgid) < 0)
fatal("setgid %u: %.100s", (u_int)rgid, strerror(errno));
#endif
return (0);
}
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