2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
34 * Run a command with a particular
36 * - effective group id
37 * - supplementary group list
49 fprintf(stderr, "usage: %s [-u uid] [-g gid] [-s gid] cmd\n"
51 " -u - effective user-id\n"
52 " -g - effective group-id\n"
53 " -s - supplementary group-id\n", prog);
60 main(int argc, char **argv)
71 prog = basename(argv[0]);
73 while ((c = getopt(argc, argv, "u:g:s:")) != -1) {
82 if (sup_cnt+1 > SUP_MAX) {
83 fprintf(stderr, "%s: too many sup groups\n", prog);
86 sgids[sup_cnt++] = atoi(optarg);
94 /* build up the cmd */
101 p = cmd = (char **)malloc(sizeof(char *) * (argc - optind + 1));
102 for ( ; optind < argc; optind++, p++) {
103 *p = strdup(argv[optind]);
109 if (setegid(gid) == -1) {
110 fprintf(stderr, "%s: setegid(%d) failed: %s\n",
111 prog, gid, strerror(errno));
117 if (setgroups(sup_cnt, sgids) == -1) {
118 fprintf(stderr, "%s: setgroups() failed: %s\n",
119 prog, strerror(errno));
125 if (seteuid(uid) == -1) {
126 fprintf(stderr, "%s: seteuid(%d) failed: %s\n",
127 prog, uid, strerror(errno));
134 fprintf(stderr, "%s: fork failed: %s\n",
135 prog, strerror(errno));
140 fprintf(stderr, "%s: %s\n", cmd[0], strerror(errno));
145 if (WIFSIGNALED(status)) {
146 fprintf(stderr, "%s: command terminated with signal %d\n",
147 prog, WTERMSIG(status));
150 else if (WIFEXITED(status)) {
151 exit(WEXITSTATUS(status));
154 fprintf(stderr, "%s: command bizarre wait status 0x%x\n",