1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <security/pam_modules.h> 4 main(int argc,char ** argv)5 int main(int argc, char **argv) 6 { 7 if (pam_sm_authenticate(NULL, 0, 0, NULL) != PAM_SUCCESS) { 8 printf("failed to authenticate\n"); 9 exit(1); 10 } 11 exit(0); 12 } 13