Annotation of embedaddon/sudo/common/setgroups.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com>
! 3: *
! 4: * Permission to use, copy, modify, and distribute this software for any
! 5: * purpose with or without fee is hereby granted, provided that the above
! 6: * copyright notice and this permission notice appear in all copies.
! 7: *
! 8: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 9: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 10: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 11: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 12: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 13: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 14: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 15: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! 16: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 17: */
! 18:
! 19: #include <config.h>
! 20:
! 21: #include <sys/types.h>
! 22: #include <stdio.h>
! 23: #ifdef STDC_HEADERS
! 24: # include <stdlib.h>
! 25: # include <stddef.h>
! 26: #else
! 27: # ifdef HAVE_STDLIB_H
! 28: # include <stdlib.h>
! 29: # endif
! 30: #endif /* STDC_HEADERS */
! 31: #ifdef HAVE_UNISTD_H
! 32: # include <unistd.h>
! 33: #endif /* HAVE_UNISTD_H */
! 34: #include <errno.h>
! 35: #include <grp.h>
! 36: #include <limits.h>
! 37:
! 38: #include "missing.h"
! 39:
! 40: int
! 41: sudo_setgroups(int ngids, const GETGROUPS_T *gids)
! 42: {
! 43: int maxgids, rval;
! 44:
! 45: rval = setgroups(ngids, gids);
! 46: if (rval == -1 && errno == EINVAL) {
! 47: /* Too many groups, try again with fewer. */
! 48: #if defined(HAVE_SYSCONF) && defined(_SC_NGROUPS_MAX)
! 49: maxgids = (int)sysconf(_SC_NGROUPS_MAX);
! 50: if (maxgids == -1)
! 51: #endif
! 52: maxgids = NGROUPS_MAX;
! 53: if (ngids > maxgids)
! 54: rval = setgroups(maxgids, gids);
! 55: }
! 56: return rval;
! 57: }
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