/* * SPDX-License-Identifier: ISC * * Copyright (c) 2011-2012, 2014-2016 Todd C. Miller * * 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. */ /* * This is an open source non-commercial project. Dear PVS-Studio, please check it. * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com */ #include #include #include #include #include #include #include "sudo_compat.h" #include "sudo_debug.h" #include "sudo_util.h" int sudo_setgroups_v1(int ngids, const GETGROUPS_T *gids) { int maxgids, ret; debug_decl(sudo_setgroups, SUDO_DEBUG_UTIL); ret = setgroups(ngids, (GETGROUPS_T *)gids); if (ret == -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) ret = setgroups(maxgids, (GETGROUPS_T *)gids); } debug_return_int(ret); }