*
*/
+/* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
+
#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>
+#ifdef CONFIG_SELINUX
+#include <proc_secure.h>
+#include <flask_util.h>
+#endif
+
+#define JUST_USER 1
+#define JUST_GROUP 2
+#define PRINT_REAL 4
+#define NAME_NOT_NUMBER 8
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;
+ int uid, gid;
+ int flags;
+#ifdef CONFIG_SELINUX
+ int is_flask_enabled_flag = is_flask_enabled();
+#endif
- gid = 0;
+ flags = bb_getopt_ulflags(argc, argv, "ugrn");
- 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 (((flags & (JUST_USER | JUST_GROUP)) == (JUST_USER | JUST_GROUP))
+ || (argc > optind + 1)
+ ) {
+ bb_show_usage();
}
- if (no_user && no_group) usage(id_usage);
-
if (argv[optind] == NULL) {
- if (print_real) {
- my_getpwuid(user, getuid());
- my_getgrgid(group, getgid());
+ if (flags & PRINT_REAL) {
+ uid = getuid();
+ gid = getgid();
} else {
- my_getpwuid(user, geteuid());
- my_getgrgid(group, getegid());
+ uid = geteuid();
+ gid = getegid();
}
+ my_getpwuid(user, uid);
} else {
- strncpy(user, argv[optind], 8);
- user[8] = '\0';
+ safe_strncpy(user, argv[optind], sizeof(user));
gid = my_getpwnamegid(user);
- my_getgrgid(group, gid);
}
+ 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\n", 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
+ if (flags & (JUST_GROUP | JUST_USER)) {
+ char *s = group;
+ if (flags & JUST_USER) {
+ s = user;
+ grnam = pwnam;
+ }
+ if (flags & NAME_NOT_NUMBER) {
+ puts(s);
+ } else {
printf("%ld\n", grnam);
+ }
} else {
+#ifdef CONFIG_SELINUX
+ printf("uid=%ld(%s) gid=%ld(%s)", pwnam, user, grnam, group);
+ if(is_flask_enabled_flag)
+ {
+ security_id_t mysid = getsecsid();
+ char context[80];
+ int len = sizeof(context);
+ context[0] = '\0';
+ if(security_sid_to_context(mysid, context, &len))
+ strcpy(context, "unknown");
+ printf(" context=%s\n", context);
+ }
+ else
+ printf("\n");
+#else
printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group);
- }
- return(0);
-}
+#endif
+ }
-/* END CODE */
+ bb_fflush_stdout_and_exit(0);
+}