1  /* Basic test of passwd database handling.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <nss.h>
      20  #include <pwd.h>
      21  #include <stdio.h>
      22  #include <stdlib.h>
      23  #include <string.h>
      24  
      25  #include <support/support.h>
      26  
      27  #include "nss_test.h"
      28  
      29  static int hook_called = 0;
      30  
      31  /* Note: the values chosen here are arbitrary; they need only be
      32     unique within the table.  However, they do need to match the
      33     "pwdids" array further down.  */
      34  static struct passwd pwd_table[] = {
      35      PWD (100),
      36      PWD (30),
      37      PWD (200),
      38      PWD (60),
      39      PWD (20000),
      40      PWD_LAST ()
      41    };
      42  
      43  void
      44  _nss_test1_init_hook(test_tables *t)
      45  {
      46    hook_called = 1;
      47    t->pwd_table = pwd_table;
      48  }
      49  
      50  static int
      51  do_test (void)
      52  {
      53    int retval = 0;
      54  
      55    __nss_configure_lookup ("passwd", "test1");
      56  
      57    /* This must match the pwd_table above.  */
      58    static const unsigned int pwdids[] = { 100, 30, 200, 60, 20000 };
      59  #define npwdids (sizeof (pwdids) / sizeof (pwdids[0]))
      60  
      61    setpwent ();
      62  
      63    const unsigned int *np = pwdids;
      64    for (struct passwd *p = getpwent (); p != NULL; ++np, p = getpwent ())
      65      {
      66        retval += compare_passwds (np-pwdids, p, & pwd_table[np-pwdids]);
      67  
      68        if (p->pw_uid != *np || strncmp (p->pw_name, "name", 4) != 0
      69  	  || atol (p->pw_name + 4) != *np)
      70  	{
      71  	  printf ("FAIL: passwd entry %td wrong (%s, %u)\n",
      72  		  np - pwdids, p->pw_name, p->pw_uid);
      73  	  retval = 1;
      74  	  break;
      75  	}
      76      }
      77  
      78    endpwent ();
      79  
      80    for (int i = npwdids - 1; i >= 0; --i)
      81      {
      82        char buf[30];
      83        snprintf (buf, sizeof (buf), "name%u", pwdids[i]);
      84  
      85        struct passwd *p = getpwnam (buf);
      86        if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
      87  	{
      88  	  printf ("FAIL: passwd entry \"%s\" wrong\n", buf);
      89  	  retval = 1;
      90  	}
      91  
      92        p = getpwuid (pwdids[i]);
      93        if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
      94  	{
      95  	  printf ("FAIL: passwd entry %u wrong\n", pwdids[i]);
      96  	  retval = 1;
      97  	}
      98  
      99        snprintf (buf, sizeof (buf), "name%u", pwdids[i] + 1);
     100  
     101        p = getpwnam (buf);
     102        if (p != NULL)
     103  	{
     104  	  printf ("FAIL: passwd entry \"%s\" wrong\n", buf);
     105  	  retval = 1;
     106  	}
     107  
     108        p = getpwuid (pwdids[i] + 1);
     109        if (p != NULL)
     110  	{
     111  	  printf ("FAIL: passwd entry %u wrong\n", pwdids[i] + 1);
     112  	  retval = 1;
     113  	}
     114      }
     115  
     116    if (!hook_called)
     117      {
     118        retval = 1;
     119        printf("FAIL: init hook never called\n");
     120      }
     121  
     122    return retval;
     123  }
     124  
     125  #include <support/test-driver.c>