/* Test for invalid field handling in file-style NSS databases.  [BZ #18724]

   Copyright (C) 2015-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

/* This test needs to be statically linked because it access hidden

   functions.  */

#include <nss.h>

#include <stdbool.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <support/support.h>

static bool errors;

static void

check (const char *what, bool expr)

{

  if (!expr)

    {

      printf ("FAIL: %s\n", what);

      errors = true;

    }

}

#define CHECK(expr) check (#expr, (expr))

static void

check_rewrite (const char *input, const char *expected)

{

  char *to_free;

  const char *result = __nss_rewrite_field (input, &to_free);

  CHECK (result != NULL);

  if (result != NULL && strcmp (result, expected) != 0)

    {

      printf ("FAIL: rewrite \"%s\" -> \"%s\", expected \"%s\"\n",

	      input, result, expected);

      errors = true;

    }

  free (to_free);

}

static int

do_test (void)

{

  CHECK (__nss_valid_field (NULL));

  CHECK (__nss_valid_field (""));

  CHECK (__nss_valid_field ("+"));

  CHECK (__nss_valid_field ("-"));

  CHECK (__nss_valid_field (" "));

  CHECK (__nss_valid_field ("abcdef"));

  CHECK (__nss_valid_field ("abc def"));

  CHECK (__nss_valid_field ("abc\tdef"));

  CHECK (!__nss_valid_field ("abcdef:"));

  CHECK (!__nss_valid_field ("abcde:f"));

  CHECK (!__nss_valid_field (":abcdef"));

  CHECK (!__nss_valid_field ("abcdef\n"));

  CHECK (!__nss_valid_field ("\nabcdef"));

  CHECK (!__nss_valid_field (":"));

  CHECK (!__nss_valid_field ("\n"));

  CHECK (__nss_valid_list_field (NULL));

  CHECK (__nss_valid_list_field ((char *[]) {(char *) "good", NULL}));

  CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g,ood", NULL}));

  CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g\nood", NULL}));

  CHECK (!__nss_valid_list_field ((char *[]) {(char *) "g:ood", NULL}));

  check_rewrite (NULL, "");

  check_rewrite ("", "");

  check_rewrite ("abc", "abc");

  check_rewrite ("abc\n", "abc ");

  check_rewrite ("abc:", "abc ");

  check_rewrite ("\nabc", " abc");

  check_rewrite (":abc", " abc");

  check_rewrite (":", " ");

  check_rewrite ("\n", " ");

  check_rewrite ("a:b:c", "a b c");

  check_rewrite ("a\nb\nc", "a b c");

  check_rewrite ("a\nb:c", "a b c");

  check_rewrite ("aa\nbb\ncc", "aa bb cc");

  check_rewrite ("aa\nbb:cc", "aa bb cc");

  return errors;

}

#include <support/test-driver.c>