nss/tst-nss-test1.c

   1 /* Basic test of passwd database handling.
   2    Copyright (C) 2017 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    <http://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 "nss_test.h"
  26
  27 static int hook_called = 0;
  28
  29 /* Note: the values chosen here are arbitrary; they need only be
  30    unique within the table.  However, they do need to match the
  31    "pwdids" array further down.  */
  32 static struct passwd pwd_table[] = {
  33     PWD (100),
  34     PWD (30),
  35     PWD (200),
  36     PWD (60),
  37     PWD (20000),
  38     PWD_LAST ()
  39   };
  40
  41 void
  42 _nss_test1_init_hook(test_tables *t)
  43 {
  44   hook_called = 1;
  45   t->pwd_table = pwd_table;
  46 }
  47
  48 static int
  49 do_test (void)
  50 {
  51   int retval = 0;
  52
  53   __nss_configure_lookup ("passwd", "test1");
  54
  55   /* This must match the pwd_table above.  */
  56   static const unsigned int pwdids[] = { 100, 30, 200, 60, 20000 };
  57 #define npwdids (sizeof (pwdids) / sizeof (pwdids[0]))
  58
  59   setpwent ();
  60
  61   const unsigned int *np = pwdids;
  62   for (struct passwd *p = getpwent (); p != NULL; ++np, p = getpwent ())
  63     {
  64       retval += compare_passwds (np-pwdids, p, & pwd_table[np-pwdids]);
  65
  66       if (p->pw_uid != *np || strncmp (p->pw_name, "name", 4) != 0
  67           || atol (p->pw_name + 4) != *np)
  68         {
  69           printf ("FAIL: passwd entry %td wrong (%s, %u)\n",
  70                   np - pwdids, p->pw_name, p->pw_uid);
  71           retval = 1;
  72           break;
  73         }
  74     }
  75
  76   endpwent ();
  77
  78   for (int i = npwdids - 1; i >= 0; --i)
  79     {
  80       char buf[30];
  81       snprintf (buf, sizeof (buf), "name%u", pwdids[i]);
  82
  83       struct passwd *p = getpwnam (buf);
  84       if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
  85         {
  86           printf ("FAIL: passwd entry \"%s\" wrong\n", buf);
  87           retval = 1;
  88         }
  89
  90       p = getpwuid (pwdids[i]);
  91       if (p == NULL || p->pw_uid != pwdids[i] || strcmp (buf, p->pw_name) != 0)
  92         {
  93           printf ("FAIL: passwd entry %u wrong\n", pwdids[i]);
  94           retval = 1;
  95         }
  96
  97       snprintf (buf, sizeof (buf), "name%u", pwdids[i] + 1);
  98
  99       p = getpwnam (buf);
 100       if (p != NULL)
 101         {
 102           printf ("FAIL: passwd entry \"%s\" wrong\n", buf);
 103           retval = 1;
 104         }
 105
 106       p = getpwuid (pwdids[i] + 1);
 107       if (p != NULL)
 108         {
 109           printf ("FAIL: passwd entry %u wrong\n", pwdids[i] + 1);
 110           retval = 1;
 111         }
 112     }
 113
 114   if (!hook_called)
 115     {
 116       retval = 1;
 117       printf("FAIL: init hook never called\n");
 118     }
 119
 120   return retval;
 121 }
 122
 123 #define TEST_FUNCTION do_test ()
 124 #include "../test-skeleton.c"