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/*
* 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.
*/
/*
* Check password change minimum days handling.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <security/pam_appl.h>
#include <sys/types.h>
#include <pwd.h>
#include <unistd.h>
/* A conversation function which uses an internally-stored value for
the responses. */
static int
fake_conv (int num_msg, const struct pam_message **msgm UNUSED,
struct pam_response **response, void *appdata_ptr UNUSED)
{
struct pam_response *reply;
int count;
static int respnum = 0;
static const char *resps[] = { "pamunix01", "TsTPAM01MAP", "TsTPAM01MAP" };
/* Sanity test. */
if (num_msg <= 0)
return PAM_CONV_ERR;
/* Allocate memory for the responses. */
reply = calloc (num_msg, sizeof (struct pam_response));
if (reply == NULL)
return PAM_CONV_ERR;
/* Answer with appropriate response from the above array. */
for (count = 0; count < num_msg; ++count)
{
if (msgm[count]->msg_style == PAM_PROMPT_ECHO_OFF)
{
reply[count].resp_retcode = 0;
reply[count].resp = strdup (resps[respnum % 3]);
++respnum;
}
}
/* Set the pointers in the response structure and return. */
*response = reply;
return PAM_SUCCESS;
}
static struct pam_conv conv = {
fake_conv,
NULL
};
/* Check that errors of optional modules are ignored and that
required modules after a sufficient one are not executed. */
int
main(int argc, char *argv[])
{
pam_handle_t *pamh=NULL;
const char *user="tstpamunix";
int retval;
int debug = 0;
int fail;
struct passwd *pwd;
if (argc < 2 || (*argv[1] != 'f' &&
*argv[1] != 'p'))
{
fprintf (stderr, "Need fail or pass argument.\n");
return 2;
}
fail = *argv[1] == 'f';
if (argc > 2 && strcmp (argv[2], "-d") == 0)
debug = 1;
pwd = getpwnam (user);
if (pwd == NULL)
{
if (debug)
fprintf (stderr, "unix4: Missing tstpamunix user.\n");
return 2;
}
/* we must switch the real (not effective) user so the restrictions
are enforced */
setreuid (pwd->pw_uid, -1);
retval = pam_start("tst-pam_unix4", user, &conv, &pamh);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "unix4: pam_start returned %d\n", retval);
return 1;
}
retval = pam_chauthtok (pamh, 0);
if ((!fail && retval != PAM_SUCCESS) || (fail && retval == PAM_SUCCESS))
{
if (debug)
fprintf (stderr, "unix4-1: pam_chauthtok returned %d\n", retval);
return 1;
}
retval = pam_end (pamh,retval);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "unix4: pam_end returned %d\n", retval);
return 1;
}
return 0;
}
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