1  /*
       2   * Check pam_debug return values.
       3   *
       4   * Copyright (c) 2020 Dmitry V. Levin <ldv@altlinux.org>
       5   */
       6  
       7  #include "test_assert.h"
       8  
       9  #include <limits.h>
      10  #include <stdio.h>
      11  #include <string.h>
      12  #include <unistd.h>
      13  #include <security/pam_appl.h>
      14  
      15  #define MODULE_NAME "pam_debug"
      16  #define TEST_NAME "tst-" MODULE_NAME "-retval"
      17  
      18  static const char service_file[] = TEST_NAME ".service";
      19  static const char user_name[] = "";
      20  static const char args[] = " auth=perm_denied"
      21  			   " cred=cred_unavail"
      22  			   " acct=acct_expired"
      23  			   " prechauthtok=success"
      24  			   " chauthtok=service_err"
      25  			   " open_session=buf_err"
      26  			   " close_session=system_err";
      27  static struct pam_conv conv;
      28  
      29  int
      30  main(void)
      31  {
      32  	pam_handle_t *pamh = NULL;
      33  	FILE *fp;
      34  	char cwd[PATH_MAX];
      35  
      36  	ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd)));
      37  
      38  	ASSERT_NE(NULL, fp = fopen(service_file, "w"));
      39  	ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n"
      40  			     "auth required %s/.libs/%s.so %s\n"
      41  			     "account required %s/.libs/%s.so %s\n"
      42  			     "password required %s/.libs/%s.so %s\n"
      43  			     "session required %s/.libs/%s.so %s\n",
      44  			     cwd, MODULE_NAME, args,
      45  			     cwd, MODULE_NAME, args,
      46  			     cwd, MODULE_NAME, args,
      47  			     cwd, MODULE_NAME, args));
      48  	ASSERT_EQ(0, fclose(fp));
      49  
      50  	ASSERT_EQ(PAM_SUCCESS,
      51  		  pam_start_confdir(service_file, user_name, &conv, ".", &pamh));
      52  	ASSERT_NE(NULL, pamh);
      53  	ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0));
      54  	ASSERT_EQ(PAM_CRED_UNAVAIL, pam_setcred(pamh, 0));
      55  	ASSERT_EQ(PAM_ACCT_EXPIRED, pam_acct_mgmt(pamh, 0));
      56  	ASSERT_EQ(PAM_SERVICE_ERR, pam_chauthtok(pamh, 0));
      57  	ASSERT_EQ(PAM_BUF_ERR, pam_open_session(pamh, 0));
      58  	ASSERT_EQ(PAM_SYSTEM_ERR, pam_close_session(pamh, 0));
      59  	ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0));
      60  	pamh = NULL;
      61  
      62  	ASSERT_EQ(0, unlink(service_file));
      63  
      64  	return 0;
      65  }