1  /*
       2   * Check pam_time return values.
       3   *
       4   * Copyright (c) 2020-2022 Dmitry V. Levin <ldv@altlinux.org>
       5   * Copyright (c) 2022 Stefan Schubert <schubi@suse.de>
       6   */
       7  
       8  #include "test_assert.h"
       9  
      10  #include <limits.h>
      11  #include <stdio.h>
      12  #include <string.h>
      13  #include <unistd.h>
      14  #include <security/pam_appl.h>
      15  
      16  #define MODULE_NAME "pam_time"
      17  #define TEST_NAME "tst-" MODULE_NAME "-retval"
      18  
      19  static const char service_file[] = TEST_NAME ".service";
      20  static const char config_file[] = TEST_NAME ".conf";
      21  static struct pam_conv conv;
      22  
      23  int
      24  main(void)
      25  {
      26  	pam_handle_t *pamh = NULL;
      27  	FILE *fp;
      28  	char cwd[PATH_MAX];
      29  
      30  	ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd)));
      31  
      32  	/* PAM_USER_UNKNOWN */
      33  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      34  	ASSERT_LT(0,
      35  		  fprintf(fp, "#%%PAM-1.0\n"
      36  			      "auth required %s/.libs/%s.so\n"
      37  			      "account required %s/.libs/%s.so\n"
      38  			      "password required %s/.libs/%s.so\n"
      39  			      "session required %s/.libs/%s.so\n",
      40  			  cwd, MODULE_NAME,
      41  			  cwd, MODULE_NAME,
      42  			  cwd, MODULE_NAME,
      43  			  cwd, MODULE_NAME));
      44  	ASSERT_EQ(0, fclose(fp));
      45  
      46  	ASSERT_EQ(PAM_SUCCESS,
      47  		  pam_start_confdir(service_file, "", &conv, ".", &pamh));
      48  	ASSERT_NE(NULL, pamh);
      49  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
      50  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
      51  	ASSERT_EQ(PAM_USER_UNKNOWN, pam_acct_mgmt(pamh, 0));
      52  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
      53  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0));
      54  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0));
      55  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
      56  	pamh = NULL;
      57  
      58  	ASSERT_NE(NULL, fp = fopen(config_file, "w"));
      59  	ASSERT_LT(0, fprintf(fp, "# only root can access %s\n"
      60  				 "%s ; * ; !root ; !Al0000-2400\n",
      61  			     service_file, service_file));
      62  	ASSERT_EQ(0, fclose(fp));
      63  
      64  	/* conffile= specifies an existing file */
      65  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      66  	ASSERT_LT(0,
      67  		  fprintf(fp, "#%%PAM-1.0\n"
      68  			      "auth required %s/.libs/%s.so conffile=%s\n"
      69  			      "account required %s/.libs/%s.so conffile=%s\n"
      70  			      "password required %s/.libs/%s.so conffile=%s\n"
      71  			      "session required %s/.libs/%s.so conffile=%s\n",
      72  			  cwd, MODULE_NAME, config_file,
      73  			  cwd, MODULE_NAME, config_file,
      74  			  cwd, MODULE_NAME, config_file,
      75  			  cwd, MODULE_NAME, config_file));
      76  	ASSERT_EQ(0, fclose(fp));
      77  
      78  	ASSERT_EQ(PAM_SUCCESS,
      79  		  pam_start_confdir(service_file, "root", &conv, ".", &pamh));
      80  	ASSERT_NE(NULL, pamh);
      81  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
      82  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
      83  	ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0));
      84  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
      85  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0));
      86  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0));
      87  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
      88  	pamh = NULL;
      89  
      90  	ASSERT_EQ(PAM_SUCCESS,
      91  		  pam_start_confdir(service_file, "noone", &conv, ".", &pamh));
      92  	ASSERT_NE(NULL, pamh);
      93  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0));
      94  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0));
      95  	ASSERT_EQ(PAM_PERM_DENIED, pam_acct_mgmt(pamh, 0));
      96  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
      97  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0));
      98  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0));
      99  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
     100  	pamh = NULL;
     101  
     102  	/* cleanup */
     103  	ASSERT_EQ(0, unlink(config_file));
     104  	ASSERT_EQ(0, unlink(service_file));
     105  
     106  	return 0;
     107  }