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/*
* Check pam_mkhomedir return values.
*
* Copyright (c) 2020 Dmitry V. Levin <ldv@altlinux.org>
*/
#include "test_assert.h"
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <sys/stat.h>
#include <security/pam_appl.h>
#define MODULE_NAME "pam_mkhomedir"
#define TEST_NAME "tst-" MODULE_NAME "-retval"
static const char service_file[] = TEST_NAME ".service";
static const char user_empty[] = "";
static const char user_missing[] = ":";
static struct pam_conv conv;
int
main(void)
{
pam_handle_t *pamh = NULL;
FILE *fp;
struct passwd *pw;
struct stat st;
char cwd[PATH_MAX];
ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd)));
/* PAM_USER_UNKNOWN */
ASSERT_NE(NULL, fp = fopen(service_file, "w"));
ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
"auth required %s/.libs/%s.so\n"
"account required %s/.libs/%s.so\n"
"password required %s/.libs/%s.so\n"
"session required %s/.libs/%s.so\n",
cwd, MODULE_NAME,
cwd, MODULE_NAME,
cwd, MODULE_NAME,
cwd, MODULE_NAME));
ASSERT_EQ(0, fclose(fp));
ASSERT_EQ(PAM_SUCCESS,
pam_start_confdir(service_file, user_empty,
&conv, ".", &pamh));
ASSERT_NE(NULL, pamh);
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
ASSERT_EQ(PAM_USER_UNKNOWN, pam_open_session(pamh, 0));
ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, 0));
ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
pamh = NULL;
ASSERT_EQ(PAM_SUCCESS,
pam_start_confdir(service_file, user_missing,
&conv, ".", &pamh));
ASSERT_NE(NULL, pamh);
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
ASSERT_EQ(PAM_USER_UNKNOWN, pam_open_session(pamh, 0));
ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, 0));
ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
pamh = NULL;
/* PAM_SUCCESS */
ASSERT_NE(NULL, fp = fopen(service_file, "w"));
ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
"auth required %s/.libs/%s.so debug\n"
"account required %s/.libs/%s.so debug\n"
"password required %s/.libs/%s.so debug\n"
"session required %s/.libs/%s.so debug\n",
cwd, MODULE_NAME,
cwd, MODULE_NAME,
cwd, MODULE_NAME,
cwd, MODULE_NAME));
ASSERT_EQ(0, fclose(fp));
if ((pw = getpwuid(geteuid())) != NULL &&
pw->pw_dir != NULL &&
stat(pw->pw_dir, &st) == 0 &&
(st.st_mode & S_IFMT) == S_IFDIR) {
ASSERT_EQ(PAM_SUCCESS,
pam_start_confdir(service_file, pw->pw_name,
&conv, ".", &pamh));
ASSERT_NE(NULL, pamh);
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0));
ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
ASSERT_EQ(PAM_SUCCESS, pam_open_session(pamh, 0));
ASSERT_EQ(PAM_SUCCESS, pam_close_session(pamh, 0));
ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
pamh = NULL;
}
ASSERT_EQ(0, unlink(service_file));
return 0;
}
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