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/* Test for invalid field handling in file-style NSS databases. [BZ #18724]
Copyright (C) 2015-2023 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
<https://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 == NULL) ? "(null)" : input, result,
(expected == NULL) ? "(null)" : 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>
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