/*
* 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
*
*/
-#include "internal.h"
+#include "busybox.h"
#include <stdio.h>
#include <unistd.h>
-#include <pwd.h>
-#include <grp.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;
- char *cp, *user, *group;
- unsigned long gid;
+ int name_not_number = 0;
+ char user[9], group[9];
+ long gid;
+ long pwnam, grnam;
+ int opt;
- cp = user = group = NULL;
-
- argc--; argv++;
+ gid = 0;
- while (argc > 0) {
- cp = *argv;
- if (*cp == '-') {
- switch (*++cp) {
- case 'u': no_group = 1; break;
- case 'g': no_user = 1; break;
- case 'r': print_real = 1; break;
- default: usage(id_usage);
- }
- } else {
- user = cp;
+ 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();
}
- argc--; argv++;
}
- if (no_user && no_group) usage(id_usage);
+ if (no_user && no_group) show_usage();
- if (user == NULL) {
- user = xmalloc(9);
- group = xmalloc(9);
+ if (argv[optind] == NULL) {
if (print_real) {
my_getpwuid(user, getuid());
my_getgrgid(group, getgid());
my_getgrgid(group, getegid());
}
} else {
- group = xmalloc(9);
+ strncpy(user, argv[optind], 8);
+ user[8] = '\0';
gid = my_getpwnamegid(user);
my_getgrgid(group, gid);
}
- if (no_group) printf("%lu\n", my_getpwnam(user));
- else if (no_user) printf("%lu\n", my_getgrnam(group));
- else
- printf("uid=%lu(%s) gid=%lu(%s)\n",
- my_getpwnam(user), user, my_getgrnam(group), group);
-
+ 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);
}