source: server/common/oursrc/accountadm/signup-scripts-frontend.c @ 134

Last change on this file since 134 was 1, checked in by jbarnold, 16 years ago
File size: 1.3 KB
Line 
1/*
2 * signup-scripts-frontend
3 * Copyright (C) 2006  Jeff Arnold <jbarnold@mit.edu>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
18 *
19 * See /COPYRIGHT in this repository for more information.
20 */
21
22#include <stdlib.h>
23#include <stdio.h>
24
25extern char **environ;
26
27int main(int argc, char **argv) {
28        environ=NULL;
29        if(argc != 2) {
30                exit(1);
31        }
32
33        char uid[21]; // 64-bit uid requires 21
34        int retval = snprintf(uid, 21, "%d", getuid());
35        if(retval < 0 || retval >= 21) {
36                exit(1);
37        }
38        if(setreuid(geteuid(), -1) != 0) {
39                exit(1);
40        }
41        char *v[3];
42#define BACKEND_PATH "/usr/local/sbin/signup-scripts-backend"
43        v[0] = BACKEND_PATH;
44        v[1] = argv[1];
45        v[2] = NULL;
46        execv(BACKEND_PATH, v);
47        return 1;
48}
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