1/* 2 * Lookup a user by name 3 */ 4 5#include <stdio.h> 6#include <pwd.h> 7#include <sys/types.h> 8 9int main(int argc, char **argv) 10{ 11 struct passwd *pw; 12 13 /* Check args */ 14 15 if (argc != 2) { 16 printf("ERROR: no arg specified\n"); 17 exit(1); 18 } 19 20 /* Do getpwnam() */ 21 22 if ((pw = getpwnam(argv[1])) == NULL) { 23 printf("FAIL: user %s does not exist\n", argv[1]); 24 exit(1); 25 } 26 27 printf("PASS: user %s exists\n", argv[1]); 28 printf("pw_name = %s\n", pw->pw_name); 29 printf("pw_passwd = %s\n", pw->pw_passwd); 30 printf("pw_uid = %d\n", pw->pw_uid); 31 printf("pw_gid = %d\n", pw->pw_gid); 32 printf("pw_gecos = %s\n", pw->pw_gecos); 33 printf("pw_dir = %s\n", pw->pw_dir); 34 printf("pw_shell = %s\n", pw->pw_shell); 35 36 exit(0); 37} 38