| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini id implementation for busybox |
| * |
| * Copyright (C) 2000 by Randolph Chung <tausq@debian.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "busybox.h" |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <getopt.h> |
| #include <string.h> |
| #include <sys/types.h> |
| |
| extern int id_main(int argc, char **argv) |
| { |
| int no_user = 0, no_group = 0, print_real = 0; |
| int name_not_number = 0; |
| char user[9], group[9]; |
| long gid; |
| long pwnam, grnam; |
| int opt; |
| |
| gid = 0; |
| |
| while ((opt = getopt(argc, argv, "ugrn")) > 0) { |
| switch (opt) { |
| case 'u': |
| no_group++; |
| break; |
| case 'g': |
| no_user++; |
| break; |
| case 'r': |
| print_real++; |
| break; |
| case 'n': |
| name_not_number++; |
| break; |
| default: |
| usage(id_usage); |
| } |
| } |
| |
| if (no_user && no_group) usage(id_usage); |
| |
| if (argv[optind] == NULL) { |
| if (print_real) { |
| my_getpwuid(user, getuid()); |
| my_getgrgid(group, getgid()); |
| } else { |
| my_getpwuid(user, geteuid()); |
| my_getgrgid(group, getegid()); |
| } |
| } else { |
| strncpy(user, argv[optind], 8); |
| user[8] = '\0'; |
| gid = my_getpwnamegid(user); |
| my_getgrgid(group, gid); |
| } |
| |
| pwnam=my_getpwnam(user); |
| grnam=my_getgrnam(group); |
| if (gid == -1 || pwnam==-1 || grnam==-1) { |
| error_msg_and_die("%s: No such user", user); |
| } |
| |
| if (no_group) { |
| if(name_not_number && user) |
| printf("%s\n",user); |
| else |
| printf("%ld\n", pwnam); |
| } else if (no_user) { |
| if(name_not_number && group) |
| printf("%s\n", group); |
| else |
| printf("%ld\n", grnam); |
| } else { |
| printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group); |
| } |
| return(0); |
| } |
| |
| |
| /* END CODE */ |