nss/tst-nss-test3.c

   1 /* Test error checking for group entries.
   2    Copyright (C) 2017-2021 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 <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include <support/support.h>
  25
  26 #include "nss_test.h"
  27
  28 /* The names here are arbitrary, but the *lengths* of the arrays is
  29    not, and groups 6 and 7 test for partial matches.  */
  30
  31 static const char *group_2[] = {
  32   "foo", "bar", NULL
  33 };
  34
  35 static const char *group_3[] = {
  36   "tom", "dick", "harry", NULL
  37 };
  38
  39 static const char *group_4[] = {
  40   "alpha", "beta", "gamma", "fred", NULL
  41 };
  42
  43 static const char *group_6[] = {
  44   "larry", "curly", "moe", NULL
  45 };
  46
  47 static const char *group_7[] = {
  48   "larry", "curly", "darryl", NULL
  49 };
  50
  51 static const char *group_14[] = {
  52   "huey", "dewey", "louis", NULL
  53 };
  54
  55 /* Note that we're intentionally causing mis-matches here; the purpose
  56    of this test case is to test each error check and make sure they
  57    detect the errors they check for, and to ensure that the harness
  58    can process all the error cases properly (i.e. a NULL gr_name
  59    field).  We check for the correct number of mismatches at the
  60    end.  */
  61
  62 /* This is the data we're giving the service.  */
  63 static struct group group_table_data[] = {
  64   GRP(4), /* match */
  65   GRP_N(8, "name6", group_6), /* wrong gid */
  66   GRP_N(14, NULL, group_14), /* missing name */
  67   GRP(14), /* unexpected name */
  68   GRP_N(7, "name7_wrong", group_7), /* wrong name */
  69   { .gr_name =  (char *)"name5", .gr_passwd =  (char *)"wilma", .gr_gid = 5, .gr_mem = NULL }, /* unexpected passwd */
  70   { .gr_name =  (char *)"name5", .gr_passwd = NULL, .gr_gid = 5, .gr_mem = NULL }, /* missing passwd */
  71   { .gr_name =  (char *)"name5", .gr_passwd = (char *)"wilma", .gr_gid = 5, .gr_mem = NULL }, /* wrong passwd */
  72   GRP_N(3, "name3a", NULL),   /* missing member list */
  73   GRP_N(3, "name3b", group_3), /* unexpected member list */
  74   GRP_N(3, "name3c", group_3), /* wrong/short member list */
  75   GRP_N(3, "name3d", group_4), /* wrong/long member list */
  76   GRP_LAST ()
  77 };
  78
  79 /* This is the data we compare against.  */
  80 static struct group group_table[] = {
  81   GRP(4),
  82   GRP(6),
  83   GRP(14),
  84   GRP_N(14, NULL, group_14),
  85   GRP(7),
  86   { .gr_name =  (char *)"name5", .gr_passwd = NULL, .gr_gid = 5, .gr_mem = NULL },
  87   { .gr_name =  (char *)"name5", .gr_passwd =  (char *)"fred", .gr_gid = 5, .gr_mem = NULL },
  88   { .gr_name =  (char *)"name5", .gr_passwd =  (char *)"fred", .gr_gid = 5, .gr_mem = NULL },
  89   GRP_N(3, "name3a", group_3),
  90   GRP_N(3, "name3b", NULL),
  91   GRP_N(3, "name3c", group_4),
  92   GRP_N(3, "name3d", group_3),
  93   GRP(2),
  94   GRP_LAST ()
  95 };
  96
  97 void
  98 _nss_test1_init_hook(test_tables *t)
  99 {
 100   t->grp_table = group_table_data;
 101 }
 102
 103 static int
 104 do_test (void)
 105 {
 106   int retval = 0;
 107   int i;
 108   struct group *g = NULL;
 109
 110 /* Previously we used __nss_configure_lookup to isolate the test
 111    from the host environment and to get it to lookup from our new
 112    test1 NSS service module, but now this test is run in a different
 113    root filesystem via the test-container support and we directly
 114    configure the use of the test1 NSS service.  */
 115
 116   setgrent ();
 117
 118   i = 0;
 119   for (g = getgrent () ;
 120        g != NULL && ! GRP_ISLAST(&group_table[i]);
 121        ++i, g = getgrent ())
 122     {
 123       retval += compare_groups (i, g, & group_table[i]);
 124     }
 125
 126   endgrent ();
 127
 128   if (g)
 129     {
 130       printf ("FAIL: [?] group entry %u.%s unexpected\n", g->gr_gid, g->gr_name);
 131       ++retval;
 132     }
 133   if (group_table[i].gr_name || group_table[i].gr_gid)
 134     {
 135       printf ("FAIL: [%d] group entry %u.%s missing\n", i,
 136               group_table[i].gr_gid, group_table[i].gr_name);
 137       ++retval;
 138     }
 139
 140 #define EXPECTED 18
 141   if (retval == EXPECTED)
 142     {
 143       if (retval > 0)
 144         printf ("PASS: Found %d expected errors\n", retval);
 145       return 0;
 146     }
 147   else
 148     {
 149       printf ("FAIL: Found %d errors, expected %d\n", retval, EXPECTED);
 150       return 1;
 151     }
 152 }
 153
 154 #include <support/test-driver.c>