Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Mini id implementation for busybox |
| 4 | * |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 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 | |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 23 | #include "busybox.h" |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 24 | #include <stdio.h> |
| 25 | #include <unistd.h> |
Mark Whitley | 99e370f | 2000-07-20 00:03:38 +0000 | [diff] [blame] | 26 | #include <getopt.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 27 | #include <string.h> |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 28 | #include <sys/types.h> |
| 29 | |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 30 | extern int id_main(int argc, char **argv) |
| 31 | { |
| 32 | int no_user = 0, no_group = 0, print_real = 0; |
Eric Andersen | c1b8f12 | 2001-01-25 05:12:02 +0000 | [diff] [blame] | 33 | int name_not_number = 0; |
Eric Andersen | bd193a4 | 2000-12-13 01:52:39 +0000 | [diff] [blame] | 34 | char user[9], group[9]; |
Eric Andersen | 6150df3 | 2000-07-28 16:22:51 +0000 | [diff] [blame] | 35 | long gid; |
| 36 | long pwnam, grnam; |
Mark Whitley | aa4f108 | 2000-07-19 19:38:13 +0000 | [diff] [blame] | 37 | int opt; |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 38 | |
Eric Andersen | 9cf306d | 2000-07-28 19:05:20 +0000 | [diff] [blame] | 39 | gid = 0; |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 40 | |
Eric Andersen | c1b8f12 | 2001-01-25 05:12:02 +0000 | [diff] [blame] | 41 | while ((opt = getopt(argc, argv, "ugrn")) > 0) { |
Mark Whitley | aa4f108 | 2000-07-19 19:38:13 +0000 | [diff] [blame] | 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; |
Eric Andersen | c1b8f12 | 2001-01-25 05:12:02 +0000 | [diff] [blame] | 52 | case 'n': |
| 53 | name_not_number++; |
| 54 | break; |
Mark Whitley | aa4f108 | 2000-07-19 19:38:13 +0000 | [diff] [blame] | 55 | default: |
| 56 | usage(id_usage); |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 57 | } |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | if (no_user && no_group) usage(id_usage); |
| 61 | |
Eric Andersen | bd193a4 | 2000-12-13 01:52:39 +0000 | [diff] [blame] | 62 | if (argv[optind] == NULL) { |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 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 { |
Eric Andersen | bd193a4 | 2000-12-13 01:52:39 +0000 | [diff] [blame] | 71 | strncpy(user, argv[optind], 8); |
| 72 | user[8] = '\0'; |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 73 | gid = my_getpwnamegid(user); |
| 74 | my_getgrgid(group, gid); |
| 75 | } |
| 76 | |
Eric Andersen | 6150df3 | 2000-07-28 16:22:51 +0000 | [diff] [blame] | 77 | pwnam=my_getpwnam(user); |
| 78 | grnam=my_getgrnam(group); |
| 79 | if (gid == -1 || pwnam==-1 || grnam==-1) { |
Mark Whitley | f57c944 | 2000-12-07 19:56:48 +0000 | [diff] [blame] | 80 | error_msg_and_die("%s: No such user\n", user); |
Eric Andersen | 6150df3 | 2000-07-28 16:22:51 +0000 | [diff] [blame] | 81 | } |
Eric Andersen | c1b8f12 | 2001-01-25 05:12:02 +0000 | [diff] [blame] | 82 | |
| 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 Andersen | 6150df3 | 2000-07-28 16:22:51 +0000 | [diff] [blame] | 94 | printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group); |
Eric Andersen | c1b8f12 | 2001-01-25 05:12:02 +0000 | [diff] [blame] | 95 | } |
Eric Andersen | b610615 | 2000-06-19 17:25:40 +0000 | [diff] [blame] | 96 | return(0); |
Erik Andersen | 94f5e0b | 2000-05-01 19:10:52 +0000 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | |
| 100 | /* END CODE */ |