blob: 650e3db20c8323138ae986e2f486917602f459ed [file] [log] [blame]
Erik Andersen94f5e0b2000-05-01 19:10:52 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Mini id implementation for busybox
4 *
Erik Andersen94f5e0b2000-05-01 19:10:52 +00005 * 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
Eric Andersen3570a342000-09-25 21:45:58 +000023#include "busybox.h"
Erik Andersen94f5e0b2000-05-01 19:10:52 +000024#include <stdio.h>
25#include <unistd.h>
Mark Whitley99e370f2000-07-20 00:03:38 +000026#include <getopt.h>
Eric Andersened3ef502001-01-27 08:24:39 +000027#include <string.h>
Erik Andersen94f5e0b2000-05-01 19:10:52 +000028#include <sys/types.h>
29
Erik Andersen94f5e0b2000-05-01 19:10:52 +000030extern int id_main(int argc, char **argv)
31{
32 int no_user = 0, no_group = 0, print_real = 0;
Eric Andersenc1b8f122001-01-25 05:12:02 +000033 int name_not_number = 0;
Eric Andersenbd193a42000-12-13 01:52:39 +000034 char user[9], group[9];
Eric Andersen6150df32000-07-28 16:22:51 +000035 long gid;
36 long pwnam, grnam;
Mark Whitleyaa4f1082000-07-19 19:38:13 +000037 int opt;
Erik Andersen94f5e0b2000-05-01 19:10:52 +000038
Eric Andersen9cf306d2000-07-28 19:05:20 +000039 gid = 0;
Erik Andersen94f5e0b2000-05-01 19:10:52 +000040
Eric Andersenc1b8f122001-01-25 05:12:02 +000041 while ((opt = getopt(argc, argv, "ugrn")) > 0) {
Mark Whitleyaa4f1082000-07-19 19:38:13 +000042 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;
Eric Andersenc1b8f122001-01-25 05:12:02 +000052 case 'n':
53 name_not_number++;
54 break;
Mark Whitleyaa4f1082000-07-19 19:38:13 +000055 default:
56 usage(id_usage);
Erik Andersen94f5e0b2000-05-01 19:10:52 +000057 }
Erik Andersen94f5e0b2000-05-01 19:10:52 +000058 }
59
60 if (no_user && no_group) usage(id_usage);
61
Eric Andersenbd193a42000-12-13 01:52:39 +000062 if (argv[optind] == NULL) {
Erik Andersen94f5e0b2000-05-01 19:10:52 +000063 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 {
Eric Andersenbd193a42000-12-13 01:52:39 +000071 strncpy(user, argv[optind], 8);
72 user[8] = '\0';
Erik Andersen94f5e0b2000-05-01 19:10:52 +000073 gid = my_getpwnamegid(user);
74 my_getgrgid(group, gid);
75 }
76
Eric Andersen6150df32000-07-28 16:22:51 +000077 pwnam=my_getpwnam(user);
78 grnam=my_getgrnam(group);
79 if (gid == -1 || pwnam==-1 || grnam==-1) {
Matt Kraaidd19c692001-01-31 19:00:21 +000080 error_msg_and_die("%s: No such user", user);
Eric Andersen6150df32000-07-28 16:22:51 +000081 }
Eric Andersenc1b8f122001-01-25 05:12:02 +000082
83 if (no_group) {
84 if(name_not_number && user)
85 printf("%s\n",user);
86 else
87 printf("%ld\n", pwnam);
88 } else if (no_user) {
89 if(name_not_number && group)
90 printf("%s\n", group);
91 else
92 printf("%ld\n", grnam);
93 } else {
Eric Andersen6150df32000-07-28 16:22:51 +000094 printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group);
Eric Andersenc1b8f122001-01-25 05:12:02 +000095 }
Eric Andersenb6106152000-06-19 17:25:40 +000096 return(0);
Erik Andersen94f5e0b2000-05-01 19:10:52 +000097}
98
99
100/* END CODE */