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/*
* $Header: /home/morgan/pam/Linux-PAM-0.53/modules/pam_unix/RCS/pam_unix_sess.c,v 1.1 1996/11/09 19:44:35 morgan Exp $
*/
/*
* Copyright Alexander O. Yuriev, 1996. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* ALTERNATIVELY, this product may be distributed under the terms of
* the GNU Public License, in which case the provisions of the GPL are
* required INSTEAD OF the above restrictions. (This clause is
* necessary due to a potential bad interaction between the GPL and
* the restrictions contained in a BSD-style copyright.)
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $Log: pam_unix_sess.c,v $
* Revision 1.1 1996/11/09 19:44:35 morgan
* Initial revision
*
* Revision 1.4 1996/05/21 03:55:17 morgan
* added "const" to definition of rcsid[]
*
* Revision 1.3 1996/04/23 16:32:28 alex
* nothing really got changed.
*
* Revision 1.2 1996/04/19 03:23:33 alex
* session code implemented. account management moved into pam_unix_acct.c
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#ifndef LINUX /* AGM added this as of 0.2 */
#include <security/pam_appl.h>
#endif /* ditto */
#include <security/pam_modules.h>
#include <syslog.h>
#include <unistd.h>
#ifndef LOG_AUTHPRIV
#define LOG_AUTHPRIV LOG_AUTH
#endif
static const char rcsid[] = "$Id: pam_unix_sess.c,v 1.1 1996/11/09 19:44:35 morgan Exp $ pam_unix session management. alex@bach.cis.temple.edu";
/* Define internal functions */
static int _get_log_level( pam_handle_t *pamh,
int flags,
int argc,
const char **argv );
int _pam_unix_open_session( pam_handle_t *pamh,
int flags,
int argc,
const char **argv );
int _pam_unix_close_session( pam_handle_t *pamh,
int flags,
int argc,
const char **argv );
/* Implementation */
static int _get_log_level( pam_handle_t *pamh,
int flags,
int argc,
const char **argv )
{
int i = argc;
int log_level = LOG_DEBUG;
while ( i-- )
{
if ( strcmp( *argv, "debug" ) == 0 )
log_level = LOG_DEBUG;
else if ( strcmp ( *argv, "trace" ) == 0 )
log_level = LOG_AUTHPRIV;
argv++;
}
return log_level;
}
int _pam_unix_open_session( pam_handle_t *pamh,
int flags,
int argc,
const char **argv )
{
int log_level;
char *user_name, *service;
log_level = _get_log_level( pamh, flags, argc, argv );
pam_get_item( pamh, PAM_USER, (void*) &user_name );
if ( !user_name )
return PAM_CONV_ERR; /* How did we get authenticated with
no username?! */
pam_get_item( pamh, PAM_SERVICE, (void*) &service );
if ( !service )
return PAM_CONV_ERR;
syslog ( log_level,
"pam_unix authentication session started, user %s, service %s\n",
user_name, service );
return PAM_SUCCESS;
}
int _pam_unix_close_session( pam_handle_t *pamh,
int flags,
int argc,
const char **argv )
{
int log_level;
char *user_name, *service;
log_level = _get_log_level( pamh, flags, argc, argv );
pam_get_item( pamh, PAM_USER, (void*) &user_name );
if ( !user_name )
return PAM_CONV_ERR; /* How did we get authenticated with
no username?! */
pam_get_item( pamh, PAM_SERVICE, (void*) &service );
if ( !service )
return PAM_CONV_ERR;
syslog ( log_level,
"pam_unix authentication session finished, user %s, service %s\n",
user_name, service );
return PAM_SUCCESS;
}
int pam_sm_open_session( pam_handle_t *pamh,
int flags,
int argc,
const char **argv )
{
return _pam_unix_open_session( pamh, flags, argc, argv ) ;
}
int pam_sm_close_session(pam_handle_t *pamh, int flags,
int argc, const char **argv)
{
return _pam_unix_close_session( pamh, flags, argc, argv ) ;
}
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