+++ /dev/null
-/* Basic functionality tests for inet6 option processing.
- Copyright (C) 2016-2019 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
- <http://www.gnu.org/licenses/>. */
-
-#include <ctype.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <support/check.h>
-#include <support/check_nss.h>
-#include <support/resolv_test.h>
-#include <support/support.h>
-#include <support/xthread.h>
-
-/* Handle IPv4 reverse lookup responses. Product a PTR record
- A-B-C-D.v4.example. */
-static void
-response_ptr_v4 (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype)
-{
- int bytes[4];
- int offset = -1;
- TEST_VERIFY (sscanf (qname, "%d.%d.%d.%d.in-addr.arpa%n",
- bytes + 0, bytes + 1, bytes + 2, bytes + 3,
- &offset) == 4);
- TEST_VERIFY (offset == strlen (qname));
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- resolv_response_section (b, ns_s_an);
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- char *name = xasprintf ("%d-%d-%d-%d.v4.example",
- bytes[3], bytes[2], bytes[1], bytes[0]);
- resolv_response_add_name (b, name);
- free (name);
- resolv_response_close_record (b);
-}
-
-/* Handle IPv6 reverse lookup responses. Produce a PTR record
- <32 hex digits>.v6.example. */
-static void
-response_ptr_v6 (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype)
-{
-
- TEST_VERIFY_EXIT (strlen (qname) > 64);
-
- char bytes[33];
- for (int i = 0; i < 64; ++i)
- if ((i % 2) == 0)
- {
- TEST_VERIFY (isxdigit ((unsigned char) qname[i]));
- bytes[31 - i / 2] = qname[i];
- }
- else
- TEST_VERIFY_EXIT (qname[i] == '.');
- bytes[32] = '\0';
-
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- resolv_response_section (b, ns_s_an);
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- char *name = xasprintf ("%s.v6.example", bytes);
- resolv_response_add_name (b, name);
- free (name);
- resolv_response_close_record (b);
-}
-
-/* Produce a response based on QNAME: Certain characters in the first
- label of QNAME trigger the inclusion of resource records:
-
- 'a' A record (IPv4 address)
- 'q' AAAA record (quad A record, IPv6 address)
- 'p' PTR record
- 'm' record type must match QTYPE (no additional records)
- '6' stop flag processing if QTYPE == AAAA
-
- For 'a' and 'q', QTYPE is ignored for record type selection if 'm'
- is not specified.
-
- in-addr.arpa and ip6.arpa queries are handled separately in
- response_ptr_v4 and response_ptr_v6. */
-static void
-response (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype)
-{
- if (strstr (qname, ".in-addr.arpa") != NULL)
- return response_ptr_v4 (ctx, b, qname, qclass, qtype);
- else if (strstr (qname, ".ip6.arpa") != NULL)
- return response_ptr_v6 (ctx, b, qname, qclass, qtype);
-
- bool include_a = false;
- bool include_aaaa = false;
- bool include_match = false;
- bool include_ptr = false;
- for (const char *p = qname; *p != '.' && *p != '\0'; ++p)
- {
- if (*p == 'a')
- include_a = true;
- else if (*p == 'q')
- include_aaaa = true;
- else if (*p == 'm')
- include_match = true;
- else if (*p == 'p')
- include_ptr = true;
- else if (*p == '6' && qtype == T_AAAA)
- break;
- }
- if (include_match)
- {
- if (qtype == T_A)
- include_aaaa = false;
- else if (qtype == T_AAAA)
- include_a = false;
- }
-
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- resolv_response_section (b, ns_s_an);
- if (include_a)
- {
- char ipv4[4] = {192, 0, 2, 17};
- resolv_response_open_record (b, qname, qclass, T_A, 0);
- resolv_response_add_data (b, &ipv4, sizeof (ipv4));
- resolv_response_close_record (b);
- }
- if (include_aaaa)
- {
- char ipv6[16]
- = {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
- resolv_response_open_record (b, qname, qclass, T_AAAA, 0);
- resolv_response_add_data (b, &ipv6, sizeof (ipv6));
- resolv_response_close_record (b);
- }
- if (include_ptr)
- {
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- resolv_response_add_name (b, "ptr-target.example");
- resolv_response_close_record (b);
- }
-}
-
-/* Test that getaddrinfo is not influenced by RES_USE_INET6. */
-static void
-test_gai (void)
-{
- {
- struct addrinfo hints =
- {
- .ai_family = AF_UNSPEC,
- .ai_socktype = SOCK_STREAM,
- .ai_protocol = IPPROTO_TCP,
- };
- struct addrinfo *ai;
- int ret = getaddrinfo ("qam.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_UNSPEC qam.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n"
- "address: STREAM/TCP 2001:db8::1 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("am.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_UNSPEC am.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("qa.example", "80", &hints, &ai);
- /* Combined A/AAAA responses currently result in address
- duplication. */
- check_addrinfo ("getaddrinfo AF_UNSPEC qa.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n"
- "address: STREAM/TCP 192.0.2.17 80\n"
- "address: STREAM/TCP 2001:db8::1 80\n"
- "address: STREAM/TCP 2001:db8::1 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- }
- {
- struct addrinfo hints =
- {
- .ai_family = AF_INET,
- .ai_socktype = SOCK_STREAM,
- .ai_protocol = IPPROTO_TCP,
- };
- struct addrinfo *ai;
- int ret = getaddrinfo ("qam.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_INET qam.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("am.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_INET am.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("qa.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_INET qa.example", ai, ret,
- "address: STREAM/TCP 192.0.2.17 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- }
- {
- struct addrinfo hints =
- {
- .ai_family = AF_INET6,
- .ai_socktype = SOCK_STREAM,
- .ai_protocol = IPPROTO_TCP,
- };
- struct addrinfo *ai;
- int ret = getaddrinfo ("qa.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo (AF_INET6)", ai, ret,
- "address: STREAM/TCP 2001:db8::1 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("am.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_INET6 am.example", ai, ret,
- "error: No address associated with hostname\n");
- if (ret == 0)
- freeaddrinfo (ai);
- ret = getaddrinfo ("qam.example", "80", &hints, &ai);
- check_addrinfo ("getaddrinfo AF_INET6 qam.example", ai, ret,
- "address: STREAM/TCP 2001:db8::1 80\n");
- if (ret == 0)
- freeaddrinfo (ai);
- }
-}
-
-/* Test gethostbyaddr and getnameinfo. The results are independent of
- RES_USE_INET6. */
-static void
-test_reverse (void)
-{
- {
- char ipv4[4] = { 192, 0, 2, 17 };
- check_hostent ("gethostbyaddr AF_INET",
- gethostbyaddr (ipv4, sizeof (ipv4), AF_INET),
- "name: 192-0-2-17.v4.example\n"
- "address: 192.0.2.17\n");
- }
- {
- char ipv6[16]
- = {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
- check_hostent ("gethostbyaddr AF_INET",
- gethostbyaddr (ipv6, sizeof (ipv6), AF_INET6),
- "name: 20010db8000000000000000000000001.v6.example\n"
- "address: 2001:db8::1\n");
- }
-
- {
- struct sockaddr_in addr =
- {
- .sin_family = AF_INET,
- .sin_addr = { .s_addr = htonl (0xc0000211) },
- .sin_port = htons (80)
- };
- char host[NI_MAXHOST];
- char service[NI_MAXSERV];
- int ret = getnameinfo ((struct sockaddr *) &addr, sizeof (addr),
- host, sizeof (host), service, sizeof (service),
- NI_NUMERICSERV);
- TEST_VERIFY (ret == 0);
- TEST_VERIFY (strcmp (host, "192-0-2-17.v4.example") == 0);
- TEST_VERIFY (strcmp (service, "80") == 0);
- }
- {
- char ipv6[16]
- = {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
- struct sockaddr_in6 addr =
- {
- .sin6_family = AF_INET6,
- .sin6_port = htons (80),
- };
- TEST_VERIFY (sizeof (ipv6) == sizeof (addr.sin6_addr));
- memcpy (&addr.sin6_addr, ipv6, sizeof (addr.sin6_addr));
- char host[NI_MAXHOST];
- char service[NI_MAXSERV];
- int ret = getnameinfo ((struct sockaddr *) &addr, sizeof (addr),
- host, sizeof (host), service, sizeof (service),
- NI_NUMERICSERV);
- TEST_VERIFY (ret == 0);
- TEST_VERIFY
- (strcmp (host, "20010db8000000000000000000000001.v6.example") == 0);
- TEST_VERIFY (strcmp (service, "80") == 0);
- }
-}
-
-/* Test that gethostbyname2 is mostly not influenced by
- RES_USE_INET6. */
-static void
-test_get2_any (void)
-{
- check_hostent ("gethostbyname2 AF_INET am.example",
- gethostbyname2 ("am.example", AF_INET),
- "name: am.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname2 AF_INET a.example",
- gethostbyname2 ("a.example", AF_INET),
- "name: a.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname2 AF_INET qm.example",
- gethostbyname2 ("qm.example", AF_INET),
- "error: NO_ADDRESS\n");
- check_hostent ("gethostbyname2 AF_INET q.example",
- gethostbyname2 ("q.example", AF_INET),
- "error: NO_RECOVERY\n");
- check_hostent ("gethostbyname2 AF_INET qam.example",
- gethostbyname2 ("qam.example", AF_INET),
- "name: qam.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname2 AF_INET qa.example",
- gethostbyname2 ("qa.example", AF_INET),
- "name: qa.example\n"
- "address: 192.0.2.17\n");
-
- check_hostent ("gethostbyname2 AF_INET6 qm.example",
- gethostbyname2 ("qm.example", AF_INET6),
- "name: qm.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname2 AF_INET6 q.example",
- gethostbyname2 ("q.example", AF_INET6),
- "name: q.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname2 AF_INET6 qam.example",
- gethostbyname2 ("qam.example", AF_INET6),
- "name: qam.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname2 AF_INET6 qa.example",
- gethostbyname2 ("qa.example", AF_INET6),
- "name: qa.example\n"
- "address: 2001:db8::1\n");
- /* Additional AF_INET6 tests depend on RES_USE_INET6; see below. */
-
- test_reverse ();
-}
-
-/* gethostbyname2 tests with RES_USE_INET6 disabled. */
-static void
-test_get2_no_inet6 (void)
-{
- test_get2_any ();
-
- check_hostent ("gethostbyname2 AF_INET6 am.example",
- gethostbyname2 ("am.example", AF_INET6),
- "error: NO_ADDRESS\n");
- check_hostent ("gethostbyname2 AF_INET6 a.example",
- gethostbyname2 ("a.example", AF_INET6),
- "error: NO_RECOVERY\n");
-}
-
-/* gethostbyname2 tests with RES_USE_INET6 enabled. */
-static void
-test_get2_inet6 (void)
-{
- test_get2_any ();
-
- check_hostent ("gethostbyname2 AF_INET6 am.example",
- gethostbyname2 ("am.example", AF_INET6),
- "name: am.example\n"
- "address: ::ffff:192.0.2.17\n");
- check_hostent ("gethostbyname2 AF_INET6 a.example",
- gethostbyname2 ("a.example", AF_INET6),
- "error: NO_RECOVERY\n");
-}
-
-/* Collection of tests which assume no RES_USE_INET6 flag. */
-static void
-test_no_inet6 (void)
-{
- check_hostent ("gethostbyname (\"a.example\")",
- gethostbyname ("a.example"),
- "name: a.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname (\"qa.example\")",
- gethostbyname ("qa.example"),
- "name: qa.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname (\"am.example\")",
- gethostbyname ("am.example"),
- "name: am.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname (\"amp.example\")",
- gethostbyname ("amp.example"),
- "name: amp.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname (\"qam.example\")",
- gethostbyname ("qam.example"),
- "name: qam.example\n"
- "address: 192.0.2.17\n");
- check_hostent ("gethostbyname (\"q.example\")",
- gethostbyname ("q.example"),
- "error: NO_RECOVERY\n");
- check_hostent ("gethostbyname (\"qm.example\")",
- gethostbyname ("qm.example"),
- "error: NO_ADDRESS\n");
- test_get2_no_inet6 ();
- test_get2_no_inet6 ();
- test_gai ();
- test_get2_no_inet6 ();
- test_get2_no_inet6 ();
-}
-
-static void *
-threadfunc (void *ignored)
-{
- struct resolv_test *obj = resolv_test_start
- ((struct resolv_redirect_config)
- {
- .response_callback = response
- });
-
- TEST_VERIFY ((_res.options & RES_USE_INET6) == 0);
- test_no_inet6 ();
-
- _res.options |= RES_USE_INET6;
- check_hostent ("gethostbyname (\"a.inet6.example\")",
- gethostbyname ("a.inet6.example"),
- "error: NO_RECOVERY\n");
- check_hostent ("gethostbyname (\"am.inet6.example\")",
- gethostbyname ("am.inet6.example"),
- "name: am.inet6.example\n"
- "address: ::ffff:192.0.2.17\n");
- check_hostent ("gethostbyname (\"qa.inet6.example\")",
- gethostbyname ("qa.inet6.example"),
- "name: qa.inet6.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname (\"qam.inet6.example\")",
- gethostbyname ("qam.inet6.example"),
- "name: qam.inet6.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname (\"q.inet6.example\")",
- gethostbyname ("q.inet6.example"),
- "name: q.inet6.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname (\"qm.inet6.example\")",
- gethostbyname ("qm.inet6.example"),
- "name: qm.inet6.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname (\"amp.inet6.example\")",
- gethostbyname ("amp.inet6.example"),
- "error: NO_RECOVERY\n");
- check_hostent ("gethostbyname (\"qmp.inet6.example\")",
- gethostbyname ("qmp.inet6.example"),
- "name: qmp.inet6.example\n"
- "address: 2001:db8::1\n");
- check_hostent ("gethostbyname (\"ap.inet6.example\")",
- gethostbyname ("ap.inet6.example"),
- "error: NO_RECOVERY\n");
- check_hostent ("gethostbyname (\"6ap.inet6.example\")",
- gethostbyname ("6ap.inet6.example"),
- "name: 6ap.inet6.example\n"
- "address: ::ffff:192.0.2.17\n");
- check_hostent ("gethostbyname (\"am6p.inet6.example\")",
- gethostbyname ("am6p.inet6.example"),
- "name: am6p.inet6.example\n"
- "address: ::ffff:192.0.2.17\n");
- check_hostent ("gethostbyname (\"qp.inet6.example\")",
- gethostbyname ("qp.inet6.example"),
- "name: qp.inet6.example\n"
- "address: 2001:db8::1\n");
- test_get2_inet6 ();
- test_get2_inet6 ();
- test_gai ();
- test_get2_inet6 ();
- test_get2_inet6 ();
-
- TEST_VERIFY (_res.options & RES_USE_INET6);
- _res.options &= ~RES_USE_INET6;
- test_no_inet6 ();
-
- resolv_test_end (obj);
-
- return NULL;
-}
-
-static int
-do_test (void)
-{
- resolv_test_init ();
-
- /* Attempt to run on a non-main thread first. */
- {
- pthread_t thr = xpthread_create (NULL, threadfunc, NULL);
- xpthread_join (thr);
- }
-
- /* Try the main thread next. */
- threadfunc (NULL);
-
- return 0;
-}
-
-#include <support/test-driver.c>
projects / thirdparty / glibc.git / commitdiff
