202 lines
6.5 KiB
C
202 lines
6.5 KiB
C
/* Basic functionality tests for inet6 option processing.
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Copyright (C) 2016-2017 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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<http://www.gnu.org/licenses/>. */
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#include <netdb.h>
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#include <resolv.h>
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#include <string.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/xthread.h>
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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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bool include_both = strcmp (qname, "both.example") == 0;
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bool include_a = qtype == T_A || include_both;
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bool include_aaaa = qtype == T_AAAA || include_both;
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resolv_response_init (b, (struct resolv_response_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 (include_a)
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{
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char ipv4[4] = {192, 0, 2, 17};
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resolv_response_open_record (b, qname, qclass, T_A, 0);
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resolv_response_add_data (b, &ipv4, sizeof (ipv4));
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resolv_response_close_record (b);
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}
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if (include_aaaa)
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{
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char ipv6[16]
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= {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
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resolv_response_open_record (b, qname, qclass, T_AAAA, 0);
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resolv_response_add_data (b, &ipv6, sizeof (ipv6));
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resolv_response_close_record (b);
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}
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}
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/* Test that getaddrinfo is not influenced by RES_USE_INET6. */
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static void
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test_gai (void)
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{
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{
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struct addrinfo hints =
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{
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.ai_family = AF_UNSPEC,
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.ai_socktype = SOCK_STREAM,
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.ai_protocol = IPPROTO_TCP,
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};
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struct addrinfo *ai;
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int ret = getaddrinfo ("www1.example", "80", &hints, &ai);
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check_addrinfo ("getaddrinfo AF_UNSPEC www1.example", ai, ret,
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"address: STREAM/TCP 192.0.2.17 80\n"
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"address: STREAM/TCP 2001:db8::1 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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ret = getaddrinfo ("both.example", "80", &hints, &ai);
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/* Combined A/AAAA responses currently result in address
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duplication. */
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check_addrinfo ("getaddrinfo AF_UNSPEC both.example", ai, ret,
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"address: STREAM/TCP 192.0.2.17 80\n"
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"address: STREAM/TCP 192.0.2.17 80\n"
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"address: STREAM/TCP 2001:db8::1 80\n"
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"address: STREAM/TCP 2001:db8::1 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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}
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{
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struct addrinfo hints =
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{
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.ai_family = AF_INET,
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.ai_socktype = SOCK_STREAM,
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.ai_protocol = IPPROTO_TCP,
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};
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struct addrinfo *ai;
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int ret = getaddrinfo ("www1.example", "80", &hints, &ai);
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check_addrinfo ("getaddrinfo AF_INET www1.example", ai, ret,
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"address: STREAM/TCP 192.0.2.17 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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ret = getaddrinfo ("both.example", "80", &hints, &ai);
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check_addrinfo ("getaddrinfo AF_INET both.example", ai, ret,
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"address: STREAM/TCP 192.0.2.17 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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}
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{
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struct addrinfo hints =
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{
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.ai_family = AF_INET6,
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.ai_socktype = SOCK_STREAM,
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.ai_protocol = IPPROTO_TCP,
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};
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struct addrinfo *ai;
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int ret = getaddrinfo ("www1.example", "80", &hints, &ai);
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check_addrinfo ("getaddrinfo (AF_INET6)", ai, ret,
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"address: STREAM/TCP 2001:db8::1 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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ret = getaddrinfo ("both.example", "80", &hints, &ai);
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check_addrinfo ("getaddrinfo AF_INET6 both.example", ai, ret,
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"address: STREAM/TCP 2001:db8::1 80\n");
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if (ret == 0)
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freeaddrinfo (ai);
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}
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}
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/* Test that gethostbyname2 is not influenced by RES_USE_INET6. */
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static void
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test_get2 (void)
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{
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check_hostent ("gethostbyname2 AF_INET www1.example",
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gethostbyname2 ("www1.example", AF_INET),
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"name: www1.example\n"
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"address: 192.0.2.17\n");
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check_hostent ("gethostbyname2 AF_INET both.example",
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gethostbyname2 ("both.example", AF_INET),
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"name: both.example\n"
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"address: 192.0.2.17\n");
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check_hostent ("gethostbyname2 AF_INET6 www1.example",
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gethostbyname2 ("www1.example", AF_INET6),
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"name: www1.example\n"
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"address: 2001:db8::1\n");
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check_hostent ("gethostbyname2 AF_INET6 both.example",
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gethostbyname2 ("both.example", AF_INET6),
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"name: both.example\n"
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"address: 2001:db8::1\n");
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}
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static void *
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threadfunc (void *ignored)
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{
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struct resolv_test *obj = resolv_test_start
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((struct resolv_redirect_config)
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{
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.response_callback = response
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});
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check_hostent ("gethostbyname (\"www1.example\")",
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gethostbyname ("www1.example"),
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"name: www1.example\n"
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"address: 192.0.2.17\n");
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check_hostent ("gethostbyname (\"both.example\")",
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gethostbyname ("both.example"),
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"name: both.example\n"
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"address: 192.0.2.17\n");
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test_get2 ();
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test_gai ();
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_res.options |= RES_USE_INET6;
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check_hostent ("gethostbyname (\"www1.example\")",
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gethostbyname ("www1.example"),
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"name: www1.example\n"
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"address: 2001:db8::1\n");
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check_hostent ("gethostbyname (\"both.example\")",
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gethostbyname ("both.example"),
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"name: both.example\n"
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"address: 2001:db8::1\n");
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test_get2 ();
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test_gai ();
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resolv_test_end (obj);
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return NULL;
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}
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static int
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do_test (void)
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{
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resolv_test_init ();
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/* Attempt to run on a non-main thread first. */
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{
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pthread_t thr = xpthread_create (NULL, threadfunc, NULL);
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xpthread_join (thr);
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}
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/* Try the main thread next. */
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threadfunc (NULL);
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return 0;
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}
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#include <support/test-driver.c>
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