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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.
*/
/*
test case:
Check the following line in group.conf:
tst-pam_group1;*;tstpamgrp;Al0000-2400;tstpamgrpg
pam_group should add group tstpamgrpg to user tstpamgrp, but not
to tstpamgrp2.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <grp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <security/pam_appl.h>
#define GROUP_BLK 10
#define blk_size(len) (((len-1 + GROUP_BLK)/GROUP_BLK)*GROUP_BLK)
/* 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;
/* 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;
/* Each prompt elicits the same response. */
for (count = 0; count < num_msg; ++count)
{
reply[count].resp_retcode = 0;
reply[count].resp = strdup ("!!");
}
/* Set the pointers in the response structure and return. */
*response = reply;
return PAM_SUCCESS;
}
static struct pam_conv conv = {
fake_conv,
NULL
};
static int debug = 0;
static int
run_test (const char *user, gid_t groupid, int needit)
{
pam_handle_t *pamh = NULL;
int retval;
int no_grps;
retval = pam_start("tst-pam_group1", user, &conv, &pamh);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_group1: pam_start returned %d\n", retval);
return 1;
}
retval = pam_set_item (pamh, PAM_TTY, "/dev/tty1");
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr,
"pam_group1: pam_set_item(PAM_TTY) returned %d\n",
retval);
return 1;
}
retval = pam_authenticate (pamh, 0);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_group1: pam_authenticate returned %d\n", retval);
return 1;
}
retval = pam_setcred (pamh, PAM_ESTABLISH_CRED);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_group1: pam_setcred returned %d\n", retval);
return 1;
}
no_grps = getgroups(0, NULL); /* find the current number of groups */
if (no_grps > 0)
{
int i, found;
gid_t *grps = calloc (blk_size (no_grps), sizeof(gid_t));
if (getgroups(no_grps, grps) < 0)
{
if (debug)
fprintf (stderr, "pam_group1: getroups returned error: %m\n");
pam_end (pamh, PAM_SYSTEM_ERR);
return 1;
}
found = 0;
for (i = 0; i < no_grps; ++i)
{
#if 0
if (debug)
fprintf (stderr, "gid[%d]=%d\n", i, grps[i]);
#endif
if (grps[i] == groupid)
found = 1;
}
if ((needit && found) || (!needit && !found))
{
/* everything is ok */
}
else
{
pam_end (pamh, PAM_SYSTEM_ERR);
if (debug)
fprintf (stderr,
"pam_group1: unexpected result for %s: needit=%d, found=%d\n",
user, needit, found);
return 1;
}
}
retval = pam_end (pamh,retval);
if (retval != PAM_SUCCESS)
{
if (debug)
fprintf (stderr, "pam_group1: pam_end returned %d\n", retval);
return 1;
}
return 0;
}
int
main(int argc, char *argv[])
{
struct group *grp;
gid_t grpid;
if (argc > 1 && strcmp (argv[1], "-d") == 0)
debug = 1;
grp = getgrnam ("tstpamgrpg");
if (grp == NULL)
return 1;
grpid = grp->gr_gid;
if (run_test ("root", grpid, 0) != 0 ||
run_test ("tstpamgrp2", grpid, 0) != 0 ||
run_test ("tstpamgrp", grpid, 1) != 0)
return 1;
return 0;
}
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