1/* vi: set sw=4 ts=4: */
2/*
3 * Mini id implementation for busybox
4 *
5 * Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22
23#include "busybox.h"
24#include <stdio.h>
25#include <unistd.h>
26#include <getopt.h>
27#include <string.h>
28#include <sys/types.h>
29
30extern int id_main(int argc, char **argv)
31{
32	int no_user = 0, no_group = 0, print_real = 0;
33	int name_not_number = 0;
34	char user[9], group[9];
35	long gid;
36	long pwnam, grnam;
37	int opt;
38
39	gid = 0;
40
41	while ((opt = getopt(argc, argv, "ugrn")) > 0) {
42		switch (opt) {
43			case 'u':
44				no_group++;
45				break;
46			case 'g':
47				no_user++;
48				break;
49			case 'r':
50				print_real++;
51				break;
52			case 'n':
53				name_not_number++;
54				break;
55			default:
56				show_usage();
57		}
58	}
59
60	if (no_user && no_group) show_usage();
61
62	if (argv[optind] == NULL) {
63		if (print_real) {
64			my_getpwuid(user, getuid());
65			my_getgrgid(group, getgid());
66		} else {
67			my_getpwuid(user, geteuid());
68			my_getgrgid(group, getegid());
69		}
70	} else {
71		strncpy(user, argv[optind], 8);
72		user[8] = '\0';
73	    gid = my_getpwnamegid(user);
74		my_getgrgid(group, gid);
75	}
76
77	pwnam=my_getpwnam(user);
78	grnam=my_getgrnam(group);
79
80	if (no_group) {
81		if(name_not_number && user)
82			puts(user);
83		else
84			printf("%ld\n", pwnam);
85	} else if (no_user) {
86		if(name_not_number && group)
87			puts(group);
88		else
89			printf("%ld\n", grnam);
90	} else {
91		printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group);
92	}
93	return(0);
94}
95
96
97/* END CODE */
98