platform_system_core/toolbox/id.c

58 lines
1.0 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
#include <selinux/selinux.h>
static void print_uid(uid_t uid)
{
struct passwd *pw = getpwuid(uid);
if (pw) {
printf("%d(%s)", uid, pw->pw_name);
} else {
printf("%d",uid);
}
}
static void print_gid(gid_t gid)
{
struct group *gr = getgrgid(gid);
if (gr) {
printf("%d(%s)", gid, gr->gr_name);
} else {
printf("%d",gid);
}
}
int id_main(int argc, char **argv)
{
gid_t list[64];
int n, max;
char *secctx;
max = getgroups(64, list);
if (max < 0) max = 0;
printf("uid=");
print_uid(getuid());
printf(" gid=");
print_gid(getgid());
if (max) {
printf(" groups=");
print_gid(list[0]);
for(n = 1; n < max; n++) {
printf(",");
print_gid(list[n]);
}
}
if (getcon(&secctx) == 0) {
printf(" context=%s", secctx);
free(secctx);
}
printf("\n");
return 0;
}