Lose id to toybox.

    getevent \

    getprop \

    getsebool \

    id \

    iftop \

    ioctl \

    ionice \

#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;

}