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/*
* Lookup a user by uid.
*/
#include <stdio.h>
#include <pwd.h>
#include <sys/types.h>
int main(int argc, char **argv)
{
struct passwd *pw;
uid_t uid;
/* Check args */
if (argc != 2) {
printf("ERROR: no arg specified\n");
exit(1);
}
if ((uid = atoi(argv[1])) == 0) {
printf("ERROR: invalid uid specified\n");
exit(1);
}
/* Do getpwuid() */
if ((pw = getpwuid(uid)) == NULL) {
printf("FAIL: uid %d does not exist\n", uid);
exit(1);
}
printf("PASS: uid %d exists\n", uid);
printf("pw_name = %s\n", pw->pw_name);
printf("pw_passwd = %s\n", pw->pw_passwd);
printf("pw_uid = %d\n", pw->pw_uid);
printf("pw_gid = %d\n", pw->pw_gid);
printf("pw_gecos = %s\n", pw->pw_gecos);
printf("pw_dir = %s\n", pw->pw_dir);
printf("pw_shell = %s\n", pw->pw_shell);
exit(0);
}
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