resolv/tst-resolv-ai_idn-nolibidn2.c

   1 /* Test getaddrinfo and getnameinfo without usable libidn2.
   2    Copyright (C) 2018-2023 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 #define TEST_USE_UTF8 1
  20 #include "tst-resolv-ai_idn-common.c"
  21
  22 #include <locale.h>
  23 #include <support/xdlfcn.h>
  24
  25 /* Tests for getaddrinfo.  */
  26 static void
  27 gai_tests (void)
  28 {
  29   /* No CNAME.  */
  30   check_ai ("non-idn.example", 0,
  31             "address: STREAM/TCP 192.0.2.110 80\n");
  32   check_ai ("non-idn.example", AI_IDN,
  33             "flags: AI_IDN\n"
  34             "address: STREAM/TCP 192.0.2.110 80\n");
  35   check_ai ("non-idn.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
  36             "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
  37             "canonname: non-idn.example\n"
  38             "address: STREAM/TCP 192.0.2.110 80\n");
  39
  40   /* This gets passed over the network to the server, so it will
  41      result in an NXDOMAIN error.  */
  42   check_ai (NAEMCHEN ".example", 0,
  43             "error: Name or service not known\n");
  44   /* Due to missing libidn2, this fails inside getaddrinfo.  */
  45   check_ai (NAEMCHEN ".example", AI_IDN,
  46             "error: Parameter string not correctly encoded\n");
  47   check_ai (NAEMCHEN ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
  48             "error: Parameter string not correctly encoded\n");
  49
  50   /* Non-IDN CNAME.  */
  51   check_ai ("with.cname.example", 0,
  52             "address: STREAM/TCP 192.0.2.119 80\n");
  53   check_ai ("with.cname.example", AI_IDN,
  54             "flags: AI_IDN\n"
  55             "address: STREAM/TCP 192.0.2.119 80\n");
  56   check_ai ("with.cname.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
  57             "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
  58             "canonname: non-idn-cname.example\n"
  59             "address: STREAM/TCP 192.0.2.119 80\n");
  60
  61   /* IDN CNAME.  */
  62   check_ai ("With.idn-cname.example", 0,
  63             "address: STREAM/TCP 192.0.2.87 80\n");
  64   check_ai ("With.idn-cname.example", AI_IDN,
  65             "flags: AI_IDN\n"
  66             "address: STREAM/TCP 192.0.2.87 80\n");
  67   check_ai ("With.idn-cname.example", AI_IDN | AI_CANONNAME,
  68             "flags: AI_CANONNAME AI_IDN\n"
  69             "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
  70             "address: STREAM/TCP 192.0.2.87 80\n");
  71   check_ai ("With.idn-cname.example",
  72             AI_IDN | AI_CANONNAME | AI_CANONIDN,
  73             "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
  74             "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
  75             "address: STREAM/TCP 192.0.2.87 80\n");
  76
  77   /* Non-IDN to IDN CNAME chain.  */
  78   check_ai ("both.cname.idn-cname.example", 0,
  79             "address: STREAM/TCP 192.0.2.98 80\n");
  80   check_ai ("both.cname.idn-cname.example", AI_IDN,
  81             "flags: AI_IDN\n"
  82             "address: STREAM/TCP 192.0.2.98 80\n");
  83   check_ai ("both.cname.idn-cname.example", AI_IDN | AI_CANONNAME,
  84             "flags: AI_CANONNAME AI_IDN\n"
  85             "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
  86             "address: STREAM/TCP 192.0.2.98 80\n");
  87   check_ai ("both.cname.idn-cname.example",
  88             AI_IDN | AI_CANONNAME | AI_CANONIDN,
  89             "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
  90             "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
  91             "address: STREAM/TCP 192.0.2.98 80\n");
  92 }
  93
  94 /* Tests for getnameinfo.  */
  95 static void
  96 gni_tests (void)
  97 {
  98   /* All non-IDN an IDN results are the same due to lack of libidn2
  99      support.  */
 100   for (int do_ni_idn = 0; do_ni_idn < 2; ++do_ni_idn)
 101     {
 102       int flags = 0;
 103       if (do_ni_idn)
 104         flags |= NI_IDN;
 105
 106       gni_test (gni_non_idn_name, flags, "non-idn.example");
 107       gni_test (gni_non_idn_name, flags | NI_NUMERICHOST, "192.0.2.0");
 108       gni_test (gni_non_idn_cname_to_non_idn_name, flags,
 109                 "non-idn-name.example");
 110       gni_test (gni_non_idn_cname_to_idn_name, flags,
 111                 NAEMCHEN_IDNA ".example");
 112       gni_test (gni_idn_name, flags, NAEMCHEN_IDNA ".example");
 113       gni_test (gni_idn_cname_to_non_idn_name, flags, "non-idn-name.example");
 114       gni_test (gni_idn_cname_to_idn_name, flags,
 115                 ANDERES_NAEMCHEN_IDNA ".example");
 116
 117       /* Test encoding errors.  */
 118       gni_test (gni_invalid_idn_1, flags, "xn---.example");
 119       gni_test (gni_invalid_idn_2, flags, "xn--x.example");
 120 }
 121 }
 122
 123 static int
 124 do_test (void)
 125 {
 126   void *handle = xdlopen ("tst-no-libidn2.so", RTLD_LAZY);
 127   {
 128     /* Verify that this replaced libidn2.  */
 129     void *handle2 = xdlopen (LIBIDN2_SONAME, RTLD_LAZY | RTLD_NOLOAD);
 130     TEST_VERIFY (handle2 == handle);
 131     xdlclose (handle2);
 132   }
 133
 134   if (setlocale (LC_CTYPE, "en_US.UTF-8") == NULL)
 135     FAIL_EXIT1 ("setlocale: %m");
 136
 137   struct resolv_test *aux = resolv_test_start
 138     ((struct resolv_redirect_config)
 139      {
 140        .response_callback = response,
 141      });
 142
 143   gai_tests ();
 144   gni_tests ();
 145
 146   resolv_test_end (aux);
 147   xdlclose (handle);
 148   return 0;
 149 }
 150
 151 #include <support/test-driver.c>