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			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			572 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Common code for AI_IDN/NI_IDN tests.
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   Copyright (C) 2018-2024 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <https://www.gnu.org/licenses/>.  */
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/* Before including this file, TEST_USE_UTF8 must be defined to 1 or
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   0, depending on whether a UTF-8 locale is used or a Latin-1
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   locale.  */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/check_nss.h>
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#include <support/resolv_test.h>
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#include <support/support.h>
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/* Name of the shared object for libidn2.  */
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#define LIBIDN2_SONAME "libidn2.so.0"
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#if TEST_USE_UTF8
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/* UTF-8 encoding of "nämchen" (German for “namelet”).  */
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# define NAEMCHEN "n\xC3\xA4mchen"
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/* UTF-8 encoding of "שם" (Hebrew for “name”).  */
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# define SHEM "\xD7\xA9\xD7\x9D"
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/* UTF-8 encoding of "buße" (German for “penance”).  This used to be
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   encoded as "busse" (“busses”) in IDNA2003.  */
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# define BUSSE "bu\xC3\x9F""e"
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#else
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/* Latin-1 encodings, as far as they are available.  */
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# define NAEMCHEN "n\xE4mchen"
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# define BUSSE "bu\xDF""e"
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#endif
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/* IDNA encoding of NAEMCHEN.  */
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#define NAEMCHEN_IDNA "xn--nmchen-bua"
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/* IDNA encoding of NAEMCHEN "_zwo".  */
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#define NAEMCHEN_ZWO_IDNA "xn--nmchen_zwo-q5a"
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/* IDNA encoding of SHEM.  */
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#define SHEM_IDNA "xn--iebx"
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/* IDNA encoding of BUSSE.  */
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#define BUSSE_IDNA "xn--bue-6ka"
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/* IDNA encoding of "שם1".  */
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#define SHEM1_IDNA "xn--1-qic9a"
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/* Another IDNA name.  */
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#define ANDERES_NAEMCHEN "anderes-" NAEMCHEN
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#define ANDERES_NAEMCHEN_IDNA "xn--anderes-nmchen-eib"
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/* Controls the kind of test data in a PTR lookup response.  */
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enum gni_test
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  {
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    gni_non_idn_name,
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    gni_non_idn_cname_to_non_idn_name,
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    gni_non_idn_cname_to_idn_name,
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    gni_idn_name,
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    gni_idn_shem,
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    gni_idn_shem1,
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    gni_idn_cname_to_non_idn_name,
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    gni_idn_cname_to_idn_name,
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    gni_invalid_idn_1,
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    gni_invalid_idn_2,
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  };
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/* Called from response below.  The LSB (first byte) controls what
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   goes into the response, see enum gni_test.  */
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static void
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response_ptr (const struct resolv_response_context *ctx,
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              struct resolv_response_builder *b, const char *qname)
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{
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  int comp[4] = { 0 };
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  TEST_COMPARE (sscanf (qname, "%d.%d.%d.%d.in-addr.arpa",
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                        &comp[0], &comp[1], &comp[2], &comp[3]), 4);
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  const char *next_name;
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  switch ((enum gni_test) comp[0])
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    {
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    /* First name in response is non-IDN name.  */
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    case gni_non_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "non-idn.example");
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      resolv_response_close_record (b);
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      return;
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    case gni_non_idn_cname_to_non_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_CNAME, 0);
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      next_name = "non-idn-cname.example";
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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      resolv_response_open_record (b, next_name, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "non-idn-name.example");
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      resolv_response_close_record (b);
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      return;
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    case gni_non_idn_cname_to_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_CNAME, 0);
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      next_name = "non-idn-cname.example";
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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      resolv_response_open_record (b, next_name, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, NAEMCHEN_IDNA ".example");
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      resolv_response_close_record (b);
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      return;
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    /* First name in response is IDN name.  */
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    case gni_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "xn--nmchen-bua.example");
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      resolv_response_close_record (b);
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      return;
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    case gni_idn_shem:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, SHEM_IDNA ".example");
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      resolv_response_close_record (b);
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      return;
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    case gni_idn_shem1:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, SHEM1_IDNA ".example");
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      resolv_response_close_record (b);
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      return;
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    case gni_idn_cname_to_non_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_CNAME, 0);
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      next_name = NAEMCHEN_IDNA ".example";
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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      resolv_response_open_record (b, next_name, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "non-idn-name.example");
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      resolv_response_close_record (b);
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      return;
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    case gni_idn_cname_to_idn_name:
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      resolv_response_open_record (b, qname, C_IN, T_CNAME, 0);
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      next_name = NAEMCHEN_IDNA ".example";
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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      resolv_response_open_record (b, next_name, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, ANDERES_NAEMCHEN_IDNA ".example");
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      resolv_response_close_record (b);
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      return;
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    /* Invalid IDN encodings.  */
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    case gni_invalid_idn_1:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "xn---.example");
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      resolv_response_close_record (b);
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      return;
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    case gni_invalid_idn_2:
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      resolv_response_open_record (b, qname, C_IN, T_PTR, 0);
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      resolv_response_add_name (b, "xn--x.example");
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      resolv_response_close_record (b);
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      return;
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    }
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  FAIL_EXIT1 ("invalid PTR query: %s", qname);
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}
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/* For PTR responses, see above.  A/AAAA queries can request
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   additional CNAMEs in the response by include ".cname." and
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   ".idn-cname." in the query.  The LSB in the address contains the
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   first byte of the QNAME.  */
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static void
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response (const struct resolv_response_context *ctx,
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          struct resolv_response_builder *b,
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          const char *qname, uint16_t qclass, uint16_t qtype)
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{
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  TEST_VERIFY_EXIT (qclass == C_IN);
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  for (const char *p = qname; *p != '\0'; ++p)
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    if (!(('0' <= *p && *p <= '9')
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          || ('a' <= *p && *p <= 'z')
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          || ('A' <= *p && *p <= 'Z')
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          || *p == '.' || *p == '-' || *p == '_'))
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      {
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        /* Non-ASCII query.  Reply with NXDOMAIN.  */
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        struct resolv_response_flags flags = { .rcode = 3 };
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        resolv_response_init (b, flags);
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        resolv_response_add_question (b, qname, qclass, qtype);
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        return;
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      }
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  struct resolv_response_flags flags = { 0 };
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  resolv_response_init (b, flags);
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  resolv_response_add_question (b, qname, qclass, qtype);
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  resolv_response_section (b, ns_s_an);
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  if (qtype == T_PTR)
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    {
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      response_ptr (ctx, b, qname);
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      return;
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    }
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  bool with_cname = strstr (qname, ".cname.") != NULL;
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  bool with_idn_cname = strstr (qname, ".idn-cname.") != NULL;
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  const char *next_name = qname;
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  if (with_cname)
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    {
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      next_name = "non-idn-cname.example";
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      resolv_response_open_record (b, qname, C_IN, T_CNAME, 0);
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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    }
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  if (with_idn_cname)
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    {
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      const char *previous_name = next_name;
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      next_name = ANDERES_NAEMCHEN_IDNA ".example";
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      resolv_response_open_record (b, previous_name, C_IN, T_CNAME, 0);
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      resolv_response_add_name (b, next_name);
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      resolv_response_close_record (b);
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    }
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  resolv_response_open_record (b, next_name, C_IN, qtype, 0);
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  switch (qtype)
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    {
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    case T_A:
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      {
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        char addr[4] = { 192, 0, 2, qname[0] };
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        resolv_response_add_data (b, &addr, sizeof (addr));
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      }
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      break;
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    case T_AAAA:
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      {
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        char addr[16]
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          = { 0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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              qname[0] };
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        resolv_response_add_data (b, &addr, sizeof (addr));
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      }
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      break;
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    default:
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      FAIL_EXIT1 ("invalid qtype: %d", qtype);
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    }
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  resolv_response_close_record (b);
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}
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/* Check the result of a getaddrinfo call.  */
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static void
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check_ai (const char *name, int ai_flags, const char *expected)
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{
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  struct addrinfo hints =
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    {
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      .ai_flags = ai_flags,
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      .ai_family = AF_INET,
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      .ai_socktype = SOCK_STREAM,
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    };
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  struct addrinfo *ai;
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  char *query = xasprintf ("%s:80 AF_INET/0x%x", name, ai_flags);
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  int ret = getaddrinfo (name, "80", &hints, &ai);
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  check_addrinfo (query, ai, ret, expected);
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  if (ret == 0)
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    freeaddrinfo (ai);
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  free (query);
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}
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/* Run one getnameinfo test.  FLAGS is automatically augmented with
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   NI_NUMERICSERV.  */
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static void
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gni_test (enum gni_test code, unsigned int flags, const char *expected)
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{
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  struct sockaddr_in sin =
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    {
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      .sin_family = AF_INET,
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      .sin_port = htons (80),
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      .sin_addr = { htonl (0xc0000200 | code) }, /* 192.0.2.0/24 network.  */
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    };
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  char host[1024];
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  char service[1024];
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  int ret = getnameinfo ((const struct sockaddr *) &sin, sizeof (sin),
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                         host, sizeof (host), service, sizeof (service),
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                         flags| NI_NUMERICSERV);
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  if (ret != 0)
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    {
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      if (expected == NULL)
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        TEST_COMPARE (ret, EAI_IDN_ENCODE);
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      else
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        {
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          support_record_failure ();
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          printf ("error: getnameinfo failed (code %d, flags 0x%x): %s (%d)\n",
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                  (int) code, flags, gai_strerror (ret), ret);
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        }
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    }
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  else if (ret == 0 && expected == NULL)
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    {
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      support_record_failure ();
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      printf ("error: getnameinfo unexpected success (code %d, flags 0x%x)\n",
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              (int) code, flags);
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    }
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  else if (strcmp (host, expected) != 0 || strcmp (service, "80") != 0)
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    {
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      support_record_failure ();
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      printf ("error: getnameinfo test failure (code %d, flags 0x%x)\n"
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              "  expected host:    \"%s\"\n"
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              "  expected service: \"80\"\n"
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              "  actual host:      \"%s\"\n"
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              "  actual service:   \"%s\"\n",
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              (int) code, flags, expected, host, service);
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    }
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}
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/* Tests for getaddrinfo which assume a working libidn2 library.  */
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__attribute__ ((unused))
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static void
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gai_tests_with_libidn2 (void)
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{
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  /* No CNAME.  */
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  check_ai ("non-idn.example", 0,
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            "address: STREAM/TCP 192.0.2.110 80\n");
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  check_ai ("non-idn.example", AI_IDN,
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            "flags: AI_IDN\n"
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            "address: STREAM/TCP 192.0.2.110 80\n");
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  check_ai ("non-idn.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
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            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
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            "canonname: non-idn.example\n"
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            "address: STREAM/TCP 192.0.2.110 80\n");
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  check_ai (NAEMCHEN ".example", 0,
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            "error: Name or service not known\n");
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  check_ai (NAEMCHEN ".example", AI_IDN,
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            "flags: AI_IDN\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (NAEMCHEN ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
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            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
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            "canonname: " NAEMCHEN ".example\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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#if TEST_USE_UTF8
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  check_ai (SHEM ".example", 0,
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            "error: Name or service not known\n");
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  check_ai (SHEM ".example", AI_IDN,
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            "flags: AI_IDN\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (SHEM ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
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            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
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            "canonname: " SHEM ".example\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (SHEM ".example", AI_IDN | AI_CANONNAME,
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            "flags: AI_CANONNAME AI_IDN\n"
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            "canonname: " SHEM_IDNA ".example\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (SHEM "1.example", AI_IDN,
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            "flags: AI_IDN\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (SHEM "1.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
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            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
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            "canonname: " SHEM "1.example\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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  check_ai (SHEM "1.example", AI_IDN | AI_CANONNAME,
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            "flags: AI_CANONNAME AI_IDN\n"
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            "canonname: " SHEM1_IDNA ".example\n"
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            "address: STREAM/TCP 192.0.2.120 80\n");
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#endif
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 | 
						|
  /* Check that non-transitional mode is active.  German sharp S
 | 
						|
     should not turn into SS.  */
 | 
						|
  check_ai (BUSSE ".example", 0,
 | 
						|
            "error: Name or service not known\n");
 | 
						|
  check_ai (BUSSE ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (BUSSE ".example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " BUSSE_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (BUSSE ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " BUSSE ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
 | 
						|
  /* Check that Unicode TR 46 mode is active.  Underscores should be
 | 
						|
     permitted in IDNA components.  */
 | 
						|
  check_ai (NAEMCHEN "_zwo.example", 0,
 | 
						|
            "error: Name or service not known\n");
 | 
						|
  check_ai (NAEMCHEN "_zwo.example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (NAEMCHEN "_zwo.example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " NAEMCHEN_ZWO_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (NAEMCHEN "_zwo.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " NAEMCHEN "_zwo.example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
 | 
						|
  /* No CNAME, but already IDN-encoded.  */
 | 
						|
  check_ai (NAEMCHEN_IDNA ".example", 0,
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (NAEMCHEN_IDNA ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (NAEMCHEN_IDNA ".example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " NAEMCHEN_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (NAEMCHEN_IDNA ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " NAEMCHEN ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (SHEM_IDNA ".example", 0,
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (SHEM_IDNA ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
  check_ai (SHEM_IDNA ".example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " SHEM_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
#if TEST_USE_UTF8
 | 
						|
  check_ai (SHEM_IDNA ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " SHEM ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
#else
 | 
						|
  check_ai (SHEM_IDNA ".example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " SHEM_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
#endif
 | 
						|
 | 
						|
  /* Invalid IDNA canonical name is returned as-is.  */
 | 
						|
  check_ai ("xn---.example", AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_CANONIDN\n"
 | 
						|
            "canonname: xn---.example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.120 80\n");
 | 
						|
 | 
						|
  /* Non-IDN CNAME.  */
 | 
						|
  check_ai ("with.cname.example", 0,
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("with.cname.example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("with.cname.example", AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: non-idn-cname.example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
 | 
						|
  check_ai ("with.cname." NAEMCHEN ".example", 0,
 | 
						|
            "error: Name or service not known\n");
 | 
						|
  check_ai ("with.cname." NAEMCHEN ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("with.cname." NAEMCHEN ".example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: non-idn-cname.example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("with.cname." NAEMCHEN ".example",
 | 
						|
            AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: non-idn-cname.example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
 | 
						|
  /* IDN CNAME.  */
 | 
						|
  check_ai ("With.idn-cname.example", 0,
 | 
						|
            "address: STREAM/TCP 192.0.2.87 80\n");
 | 
						|
  check_ai ("With.idn-cname.example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.87 80\n");
 | 
						|
  check_ai ("With.idn-cname.example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.87 80\n");
 | 
						|
  check_ai ("With.idn-cname.example",
 | 
						|
            AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.87 80\n");
 | 
						|
 | 
						|
  check_ai ("With.idn-cname." NAEMCHEN ".example", 0,
 | 
						|
            "error: Name or service not known\n");
 | 
						|
  check_ai ("With.idn-cname." NAEMCHEN ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("With.idn-cname." NAEMCHEN ".example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
  check_ai ("With.idn-cname." NAEMCHEN ".example",
 | 
						|
            AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.119 80\n");
 | 
						|
 | 
						|
  /* Non-IDN to IDN CNAME chain.  */
 | 
						|
  check_ai ("both.cname.idn-cname.example", 0,
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
  check_ai ("both.cname.idn-cname.example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
  check_ai ("both.cname.idn-cname.example", AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
  check_ai ("both.cname.idn-cname.example",
 | 
						|
            AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
 | 
						|
  check_ai ("both.cname.idn-cname." NAEMCHEN ".example", 0,
 | 
						|
            "error: Name or service not known\n");
 | 
						|
  check_ai ("both.cname.idn-cname." NAEMCHEN ".example", AI_IDN,
 | 
						|
            "flags: AI_IDN\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
  check_ai ("both.cname.idn-cname." NAEMCHEN ".example",
 | 
						|
            AI_IDN | AI_CANONNAME,
 | 
						|
            "flags: AI_CANONNAME AI_IDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN_IDNA ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
  check_ai ("both.cname.idn-cname." NAEMCHEN ".example",
 | 
						|
            AI_IDN | AI_CANONNAME | AI_CANONIDN,
 | 
						|
            "flags: AI_CANONNAME AI_IDN AI_CANONIDN\n"
 | 
						|
            "canonname: " ANDERES_NAEMCHEN ".example\n"
 | 
						|
            "address: STREAM/TCP 192.0.2.98 80\n");
 | 
						|
}
 | 
						|
 | 
						|
/* Tests for getnameinfo which assume a working libidn2 library.  */
 | 
						|
__attribute__ ((unused))
 | 
						|
static void
 | 
						|
gni_tests_with_libidn2 (void)
 | 
						|
{
 | 
						|
  gni_test (gni_non_idn_name, 0, "non-idn.example");
 | 
						|
  gni_test (gni_non_idn_name, NI_IDN, "non-idn.example");
 | 
						|
  gni_test (gni_non_idn_name, NI_NUMERICHOST, "192.0.2.0");
 | 
						|
  gni_test (gni_non_idn_name, NI_NUMERICHOST | NI_IDN, "192.0.2.0");
 | 
						|
 | 
						|
  gni_test (gni_non_idn_cname_to_non_idn_name, 0, "non-idn-name.example");
 | 
						|
  gni_test (gni_non_idn_cname_to_non_idn_name, NI_IDN, "non-idn-name.example");
 | 
						|
 | 
						|
  gni_test (gni_non_idn_cname_to_idn_name, 0, NAEMCHEN_IDNA ".example");
 | 
						|
  gni_test (gni_non_idn_cname_to_idn_name, NI_IDN, NAEMCHEN ".example");
 | 
						|
 | 
						|
  gni_test (gni_idn_name, 0, NAEMCHEN_IDNA ".example");
 | 
						|
  gni_test (gni_idn_name, NI_IDN, NAEMCHEN ".example");
 | 
						|
  gni_test (gni_idn_shem, 0, SHEM_IDNA ".example");
 | 
						|
  gni_test (gni_idn_shem1, 0, SHEM1_IDNA ".example");
 | 
						|
#if TEST_USE_UTF8
 | 
						|
  gni_test (gni_idn_shem, NI_IDN, SHEM ".example");
 | 
						|
  gni_test (gni_idn_shem1, NI_IDN, SHEM "1.example");
 | 
						|
#else
 | 
						|
  gni_test (gni_idn_shem, NI_IDN, SHEM_IDNA ".example");
 | 
						|
  gni_test (gni_idn_shem1, NI_IDN, SHEM1_IDNA ".example");
 | 
						|
#endif
 | 
						|
 | 
						|
  gni_test (gni_idn_cname_to_non_idn_name, 0, "non-idn-name.example");
 | 
						|
  gni_test (gni_idn_cname_to_non_idn_name, NI_IDN, "non-idn-name.example");
 | 
						|
 | 
						|
  gni_test (gni_idn_cname_to_idn_name, 0, ANDERES_NAEMCHEN_IDNA ".example");
 | 
						|
  gni_test (gni_idn_cname_to_idn_name, NI_IDN, ANDERES_NAEMCHEN ".example");
 | 
						|
 | 
						|
  /* Test encoding errors.  */
 | 
						|
  gni_test (gni_invalid_idn_1, 0, "xn---.example");
 | 
						|
  gni_test (gni_invalid_idn_1, NI_IDN, "xn---.example");
 | 
						|
  gni_test (gni_invalid_idn_2, 0, "xn--x.example");
 | 
						|
  gni_test (gni_invalid_idn_2, NI_IDN, "xn--x.example");
 | 
						|
}
 |