nss/tst-field.c

   1 /* Test for invalid field handling in file-style NSS databases.  [BZ #18724]
   2    Copyright (C) 2015-2023 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 /* This test needs to be statically linked because it access hidden
  20    functions.  */
  21
  22 #include <nss.h>
  23 #include <stdbool.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #include <support/support.h>
  29
  30 static bool errors;
  31
  32 static void
  33 check (const char *what, bool expr)
  34 {
  35   if (!expr)
  36     {
  37       printf ("FAIL: %s\n", what);
  38       errors = true;
  39     }
  40 }
  41
  42 #define CHECK(expr) check (#expr, (expr))
  43
  44 static void
  45 check_rewrite (const char *input, const char *expected)
  46 {
  47   char *to_free;
  48   const char *result = __nss_rewrite_field (input, &to_free);
  49   CHECK (result != NULL);
  50   if (result != NULL && strcmp (result, expected) != 0)
  51     {
  52       printf ("FAIL: rewrite \"%s\" -> \"%s\", expected \"%s\"\n",
  53               (input == NULL) ? "(null)" : input, result,
  54               (expected == NULL) ? "(null)" : expected);
  55       errors = true;
  56     }
  57   free (to_free);
  58 }
  59
  60 static int
  61 do_test (void)
  62 {
  63   CHECK (__nss_valid_field (NULL));
  64   CHECK (__nss_valid_field (""));
  65   CHECK (__nss_valid_field ("+"));
  66   CHECK (__nss_valid_field ("-"));
  67   CHECK (__nss_valid_field (" "));
  68   CHECK (__nss_valid_field ("abcdef"));
  69   CHECK (__nss_valid_field ("abc def"));
  70   CHECK (__nss_valid_field ("abc\tdef"));
  71   CHECK (!__nss_valid_field ("abcdef:"));
  72   CHECK (!__nss_valid_field ("abcde:f"));
  73   CHECK (!__nss_valid_field (":abcdef"));
  74   CHECK (!__nss_valid_field ("abcdef\n"));
  75   CHECK (!__nss_valid_field ("\nabcdef"));
  76   CHECK (!__nss_valid_field (":"));
  77   CHECK (!__nss_valid_field ("\n"));
  78
  79   CHECK (__nss_valid_list_field (NULL));
  80   CHECK (__nss_valid_list_field ((char *[]) {(char *) "good", NULL}));
  81   CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g,ood", NULL}));
  82   CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g\nood", NULL}));
  83   CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g:ood", NULL}));
  84
  85   check_rewrite (NULL, "");
  86   check_rewrite ("", "");
  87   check_rewrite ("abc", "abc");
  88   check_rewrite ("abc\n", "abc ");
  89   check_rewrite ("abc:", "abc ");
  90   check_rewrite ("\nabc", " abc");
  91   check_rewrite (":abc", " abc");
  92   check_rewrite (":", " ");
  93   check_rewrite ("\n", " ");
  94   check_rewrite ("a:b:c", "a b c");
  95   check_rewrite ("a\nb\nc", "a b c");
  96   check_rewrite ("a\nb:c", "a b c");
  97   check_rewrite ("aa\nbb\ncc", "aa bb cc");
  98   check_rewrite ("aa\nbb:cc", "aa bb cc");
  99
 100   return errors;
 101 }
 102
 103 #include <support/test-driver.c>