/* * Copyright (c) 2011-2012, 2014-2015 Todd C. Miller <Todd.Miller@courtesan.com> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <config.h> #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <grp.h> #include <limits.h> #include "sudo_compat.h" #include "sudo_debug.h" #include "sudo_util.h" int sudo_setgroups_v1(int ngids, const GETGROUPS_T *gids) { int maxgids, rval; debug_decl(sudo_setgroups, SUDO_DEBUG_UTIL) rval = setgroups(ngids, (GETGROUPS_T *)gids); if (rval == -1 && errno == EINVAL) { /* Too many groups, try again with fewer. */ maxgids = (int)sysconf(_SC_NGROUPS_MAX); if (maxgids == -1) maxgids = NGROUPS_MAX; if (ngids > maxgids) rval = setgroups(maxgids, (GETGROUPS_T *)gids); } debug_return_int(rval); }