inet/tst-inet6_scopeid_pton.c

   1 /* Tests for __inet6_scopeid_pton.
   2    Copyright (C) 2016-2017 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 <arpa/inet.h>
  20 #include <inttypes.h>
  21 #include <net-internal.h>
  22 #include <net/if.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 /* An interface which is known to the system.  */
  27 static const char *interface_name;
  28 static uint32_t interface_index;
  29
  30 /* Initiale the variables above.  */
  31 static void
  32 setup_interface (void)
  33 {
  34   struct if_nameindex *list = if_nameindex ();
  35   if (list != NULL && list[0].if_index != 0 && list[0].if_name[0] != '\0')
  36     {
  37       interface_name = list[0].if_name;
  38       interface_index = list[0].if_index;
  39     }
  40 }
  41
  42 /* Convert ADDRESS to struct in6_addr.  */
  43 static struct in6_addr
  44 from_string (const char *address)
  45 {
  46   struct in6_addr addr;
  47   if (inet_pton (AF_INET6, address, &addr) != 1)
  48     {
  49       printf ("error: inet_pton (\"%s\") failed\n", address);
  50       exit (1);
  51     }
  52   return addr;
  53 }
  54
  55 /* Check a single address were we expected a failure.  */
  56 static void
  57 expect_failure (const char *address, const char *scope)
  58 {
  59   struct in6_addr addr = from_string (address);
  60   uint32_t result = 1234;
  61   if (__inet6_scopeid_pton (&addr, scope, &result) == 0)
  62     {
  63       printf ("error: unexpected success for %s%%%s\n",
  64               address, scope);
  65       exit (1);
  66     }
  67   if (result != 1234)
  68     {
  69       printf ("error: unexpected result update for %s%%%s\n",
  70               address, scope);
  71       exit (1);
  72     }
  73 }
  74
  75 /* Check a single address were we expected a success.  */
  76 static void
  77 expect_success (const char *address, const char *scope, uint32_t expected)
  78 {
  79   struct in6_addr addr = from_string (address);
  80   uint32_t actual = expected + 1;
  81   if (__inet6_scopeid_pton (&addr, scope, &actual) != 0)
  82     {
  83       printf ("error: unexpected failure for %s%%%s\n",
  84               address, scope);
  85       exit (1);
  86     }
  87   if (actual != expected)
  88     {
  89       printf ("error: unexpected result for for %s%%%s\n",
  90               address, scope);
  91       printf ("  expected: %" PRIu32 "\n", expected);
  92       printf ("  actual:   %" PRIu32 "\n", actual);
  93       exit (1);
  94     }
  95 }
  96
  97 static int
  98 do_test (void)
  99 {
 100   setup_interface ();
 101
 102   static const char *test_addresses[]
 103     = { "::", "::1", "2001:db8::1", NULL };
 104   for (int i = 0; test_addresses[i] != NULL; ++i)
 105     {
 106       expect_success (test_addresses[i], "0", 0);
 107       expect_success (test_addresses[i], "5555", 5555);
 108
 109       expect_failure (test_addresses[i], "");
 110       expect_failure (test_addresses[i], "-1");
 111       expect_failure (test_addresses[i], "-99");
 112       expect_failure (test_addresses[i], "037777777777");
 113       expect_failure (test_addresses[i], "0x");
 114       expect_failure (test_addresses[i], "0x1");
 115     }
 116
 117   if (interface_name != NULL)
 118     {
 119       expect_success ("fe80::1", interface_name, interface_index);
 120       expect_success ("ff02::1", interface_name, interface_index);
 121       expect_failure ("::", interface_name);
 122       expect_failure ("::1", interface_name);
 123       expect_failure ("ff01::1", interface_name);
 124       expect_failure ("2001:db8::1", interface_name);
 125     }
 126
 127   return 0;
 128 }
 129
 130 #define TEST_FUNCTION do_test ()
 131 #include "../test-skeleton.c"