3f022419ae
function return value. Previously, some code used "rval", some used "ret". This standardizes on "ret" and uses "rc" for temporary return codes.
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* Copyright (c) 2011-2012, 2014-2016 Todd C. Miller <Todd.Miller@courtesan.com>
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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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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.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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int maxgids, ret;
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debug_decl(sudo_setgroups, SUDO_DEBUG_UTIL)
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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 = (int)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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