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/*
* $Id: pam_unix_auth.-c,v 1.4 1996/12/01 03:05:54 morgan Exp $
*
* $Log: pam_unix_auth.-c,v $
* Revision 1.4 1996/12/01 03:05:54 morgan
* debugging with _pam_macros.h
*
* Revision 1.3 1996/11/10 21:04:29 morgan
* pwdb conversion
*
* Revision 1.2 1996/09/05 06:46:53 morgan
* fixed comments. Added check for null passwd.
* changed data item name
*
* Revision 1.1 1996/08/29 13:27:51 morgan
* Initial revision
*
* See end of file for Copyright information.
*/
static const char rcsid_auth[] =
"$Id: pam_unix_auth.-c,v 1.4 1996/12/01 03:05:54 morgan Exp $: pam_unix_auth.-c,v 1.2 1996/09/05 06:46:53 morgan Exp morgan $\n"
" - PAM_PWDB authentication functions. <morgan@parc.power.net>";
/*
* _unix_auth() is a front-end for UNIX/shadow authentication
*
* First, obtain the password from the user. Then use a
* routine in 'support.-c' to authenticate the user.
*/
#define _UNIX_AUTHTOK "-UN*X-PASS"
static int _unix_auth(pam_handle_t *pamh, unsigned int ctrl)
{
int retval;
const char *name, *p;
D(("called."));
/* get the user'name' */
retval = _unix_get_user(pamh, ctrl, NULL, &name);
if (retval != PAM_SUCCESS ) {
if ( on(UNIX_DEBUG,ctrl) ) {
_log_err(LOG_DEBUG, "auth could not identify user");
}
return retval;
}
/* if this user does not have a password... */
if ( _unix_blankpasswd(ctrl, name) ) {
D(("user '%s' has blank passwd", name));
name = NULL;
return PAM_SUCCESS;
}
/* get this user's authentication token */
retval = _unix_read_password(pamh, ctrl, NULL, "Password: ", NULL
, _UNIX_AUTHTOK, &p);
if (retval != PAM_SUCCESS ) {
_log_err(LOG_CRIT, "auth could not identify password for [%s]"
, name);
name = NULL;
return retval;
}
/* verify the password of this user */
retval = _unix_verify_password(pamh, name, p, ctrl);
name = p = NULL;
return retval;
}
/*
* This function is for setting unix credentials. Sun has indicated
* that there are *NO* authentication credentials for unix. The
* obvious credentials would be the group membership of the user as
* listed in the /etc/group file. However, Sun indicates that it is
* the responsibility of the application to set these.
*/
static int _unix_set_credentials(pam_handle_t *pamh, unsigned int ctrl)
{
D(("called <empty function> returning."));
return PAM_SUCCESS;
}
/********************************************************************
* Copyright (c) Alexander O. Yuriev, 1996.
* Copyright (c) Andrew G. Morgan <morgan@parc.power.net> 1996
* Copyright (c) Cristian Gafton <gafton@redhat.com> 1996, 1997
*
* 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.
*/
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