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cado/pam_check.c
2016-08-09 17:46:05 +02:00

47 lines
1.3 KiB
C

/*
* cado: execute a command in a capability ambient
* Copyright (C) 2016 Renzo Davoli, University of Bologna
*
* This file is part of cado.
*
* Cado 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.
*
* This program 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 this program; If not, see <http://www.gnu.org/licenses/>.
*
*/
#define _GNU_SOURCE
#include <unistd.h>
#include <sys/types.h>
#include <security/pam_appl.h>
#include <security/pam_misc.h>
#include <pwd.h>
#include <pam_check.h>
/* call PAM to authorize the current user.
usually this means to prompt the user for a password,
but it can be configured using PAM */
int pam_check(char *username)
{
pam_handle_t* pamh;
struct pam_conv pamc={.conv=&misc_conv, .appdata_ptr=NULL};
int rv;
pam_start ("cado", username, &pamc, &pamh);
rv= pam_authenticate (pamh, 0);
pam_end (pamh, 0);
return rv;
}