1 c423c56e 2022-09-25 op /*
 2 c423c56e 2022-09-25 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
 3 c423c56e 2022-09-25 op  *
 4 c423c56e 2022-09-25 op  * Permission to use, copy, modify, and distribute this software for any
 5 c423c56e 2022-09-25 op  * purpose with or without fee is hereby granted, provided that the above
 6 c423c56e 2022-09-25 op  * copyright notice and this permission notice appear in all copies.
 7 c423c56e 2022-09-25 op  *
 8 c423c56e 2022-09-25 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 c423c56e 2022-09-25 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 c423c56e 2022-09-25 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 c423c56e 2022-09-25 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 c423c56e 2022-09-25 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 c423c56e 2022-09-25 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 c423c56e 2022-09-25 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 c423c56e 2022-09-25 op  */
16 c423c56e 2022-09-25 op 
17 c423c56e 2022-09-25 op #include <sys/types.h>
18 c423c56e 2022-09-25 op #include <grp.h>
19 c423c56e 2022-09-25 op #include <pwd.h>
20 c423c56e 2022-09-25 op #include <unistd.h>
21 c423c56e 2022-09-25 op 
22 c423c56e 2022-09-25 op int
23 c423c56e 2022-09-25 op main(void)
24 c423c56e 2022-09-25 op {
25 c423c56e 2022-09-25 op 	struct passwd *pw;
26 c423c56e 2022-09-25 op 
27 c423c56e 2022-09-25 op 	pw = getpwnam("www");
28 c423c56e 2022-09-25 op 	if (pw == NULL)
29 c423c56e 2022-09-25 op 		return 1;
30 c423c56e 2022-09-25 op 
31 c423c56e 2022-09-25 op 	setgroups(1, &pw->pw_gid);
32 c423c56e 2022-09-25 op 	return 0;
33 c423c56e 2022-09-25 op }