mirror of https://github.com/sudo-project/sudo.git
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2011-2012, 2014-2016 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* This is an open source non-commercial project. Dear PVS-Studio, please check it.
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* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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#include <grp.h>
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#include <limits.h>
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#include <sudo_compat.h>
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#include <sudo_debug.h>
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#include <sudo_util.h>
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int
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sudo_setgroups_v1(int ngids, const GETGROUPS_T *gids)
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{
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long maxgids;
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int ret;
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debug_decl(sudo_setgroups, SUDO_DEBUG_UTIL);
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if (ngids < 0)
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debug_return_int(-1);
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ret = setgroups(ngids, (GETGROUPS_T *)gids);
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if (ret == -1 && errno == EINVAL) {
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/* Too many groups, try again with fewer. */
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maxgids = sysconf(_SC_NGROUPS_MAX);
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if (maxgids == -1)
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maxgids = NGROUPS_MAX;
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if (ngids > maxgids)
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ret = setgroups(maxgids, (GETGROUPS_T *)gids);
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}
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debug_return_int(ret);
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}
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