1  /*
       2   * Check pam_faillock return values.
       3   */
       4  
       5  #include "test_assert.h"
       6  
       7  #include <limits.h>
       8  #include <stdio.h>
       9  #include <string.h>
      10  #include <unistd.h>
      11  #include <security/pam_appl.h>
      12  
      13  #define MODULE_NAME "pam_faillock"
      14  #define TEST_NAME "tst-" MODULE_NAME "-retval"
      15  
      16  static const char service_file[] = TEST_NAME ".service";
      17  static const char config_filename[] = TEST_NAME ".conf";
      18  static const char user_name[] = "root";
      19  static struct pam_conv conv;
      20  
      21  int
      22  main(void)
      23  {
      24  	pam_handle_t *pamh = NULL;
      25  	FILE *fp;
      26  	char cwd[PATH_MAX];
      27  
      28  	ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd)));
      29  
      30  	ASSERT_NE(NULL, fp = fopen(config_filename, "w"));
      31  	ASSERT_LT(0, fprintf(fp,
      32  		"deny = 2\n"
      33  		"unlock_time = 5\n"
      34  		"root_unlock_time = 5\n"));
      35  	ASSERT_EQ(0, fclose(fp));
      36  
      37  	/* root has access */
      38  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      39  	ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
      40  			"auth required %s/../pam_permit/.libs/pam_permit.so\n"
      41  			"auth required %s/.libs/%s.so authsucc even_deny_root dir=%s conf=%s\n"
      42  			"account required %s/.libs/%s.so dir=%s\n"
      43  			"password required %s/.libs/%s.so dir=%s\n"
      44  			"session required %s/.libs/%s.so dir=%s\n",
      45  			cwd,
      46  			cwd, MODULE_NAME, cwd, config_filename,
      47  			cwd, MODULE_NAME, cwd,
      48  			cwd, MODULE_NAME, cwd,
      49  			cwd, MODULE_NAME, cwd));
      50  
      51  	ASSERT_EQ(0, fclose(fp));
      52  
      53  	ASSERT_EQ(PAM_SUCCESS,
      54  		pam_start_confdir(service_file, user_name, &conv, ".", &pamh));
      55  	ASSERT_NE(NULL, pamh);
      56  	ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0));
      57  	ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0));
      58  	ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0));
      59  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0));
      60  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0));
      61  	ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0));
      62  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
      63  	ASSERT_EQ(0, unlink(service_file));
      64  	pamh = NULL;
      65  
      66  	/* root tries to login 2 times without success*/
      67  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      68  	ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
      69  			"auth requisite %s/.libs/%s.so dir=%s preauth even_deny_root conf=%s\n"
      70  			"auth [success=1 default=bad] %s/../pam_debug/.libs/pam_debug.so auth=perm_denied cred=success\n"
      71  			"auth [default=die] %s/.libs/%s.so dir=%s authfail even_deny_root conf=%s\n"
      72  			"auth sufficient %s/.libs/%s.so dir=%s authsucc even_deny_root conf=%s\n",
      73  			cwd, MODULE_NAME, cwd, config_filename,
      74  			cwd,
      75  			cwd, MODULE_NAME, cwd, config_filename,
      76  			cwd, MODULE_NAME, cwd, config_filename));
      77  
      78  	ASSERT_EQ(0, fclose(fp));
      79  
      80  	ASSERT_EQ(PAM_SUCCESS,
      81  		pam_start_confdir(service_file, user_name, &conv, ".", &pamh));
      82  	ASSERT_NE(NULL, pamh);
      83  	ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0));
      84  	ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0));
      85  	pamh = NULL;
      86  	ASSERT_EQ(0, unlink(service_file));
      87  
      88  	/* root is locked for 5 sec*/
      89  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      90  	ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
      91  			"auth requisite %s/.libs/%s.so dir=%s preauth even_deny_root conf=%s\n"
      92  			"auth [success=1 default=bad] %s/../pam_debug/.libs/pam_debug.so auth=success cred=success\n"
      93  			"auth [default=die] %s/.libs/%s.so dir=%s authfail even_deny_root conf=%s\n"
      94  			"auth sufficient %s/.libs/%s.so dir=%s authsucc even_deny_root conf=%s\n",
      95  			cwd, MODULE_NAME, cwd, config_filename,
      96  			cwd,
      97  			cwd, MODULE_NAME, cwd, config_filename,
      98  			cwd, MODULE_NAME, cwd, config_filename));
      99  
     100  	ASSERT_EQ(0, fclose(fp));
     101  
     102  	ASSERT_EQ(PAM_SUCCESS,
     103  		pam_start_confdir(service_file, user_name, &conv, ".", &pamh));
     104  	ASSERT_NE(NULL, pamh);
     105  	ASSERT_EQ(PAM_AUTH_ERR, pam_authenticate(pamh, 0));
     106  
     107  	/* waiting at least 5 sec --> login is working again*/
     108  	sleep(6);
     109  	ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0));
     110  
     111  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
     112  	ASSERT_EQ(0, unlink(service_file));
     113  	pamh = NULL;
     114  
     115  	ASSERT_EQ(0,unlink(user_name));
     116  	ASSERT_EQ(0,unlink(config_filename));
     117  
     118  	return 0;
     119  }