mirror of
https://git.busybox.net/busybox.git
synced 2024-12-05 03:23:26 +08:00
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
/* 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:
|
|
show_usage();
|
|
}
|
|
}
|
|
|
|
if (no_user && no_group) show_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 (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 */
|