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/***
This file is part of pam_dotfile.
pam_dotfile is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
pam_dotfile is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with pam_dotfile; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
***/
#include <stdio.h>
#include <security/pam_appl.h>
#include <security/pam_misc.h>
int main(int argc, char*argv[]) {
static struct pam_conv pc = { misc_conv, NULL };
pam_handle_t *ph = NULL;
int r, ret;
char *username, *procname, *service;
if ((procname = strchr(argv[0], '/')))
procname++;
else
procname = argv[0];
if (argc <= 1 || argc > 3) {
fprintf(stderr, "Usage: %s [<service>] [<username>]\n", procname);
exit(1);
}
service = (argc >= 2) ? argv[1] : procname;
username = (argc == 3) ? argv[2] : NULL;
if (username)
printf("Trying to authenticate <%s> for service <%s>.\n", username, service);
else
printf("Trying to authenticate for service <%s>.\n", service);
if ((r = pam_start(service, username, &pc, &ph)) != PAM_SUCCESS) {
fprintf(stderr, "Failure starting pam: %s\n", pam_strerror(ph, r));
return 1;
}
if ((r = pam_authenticate(ph, 0)) != PAM_SUCCESS) {
fprintf(stderr, "Failed to authenticate: %s\n", pam_strerror(ph, r));
ret = 1;
} else {
printf("Authentication successful.\n");
ret = 0;
}
if ((r = pam_end(ph, r)) != PAM_SUCCESS)
fprintf(stderr, "Failure shutting down pam: %s\n", pam_strerror(ph, r));
return ret;
}
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