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Diffstat (limited to 'resolv/tst-bug18665-tcp.c')
-rw-r--r--resolv/tst-bug18665-tcp.c230
1 files changed, 0 insertions, 230 deletions
diff --git a/resolv/tst-bug18665-tcp.c b/resolv/tst-bug18665-tcp.c
deleted file mode 100644
index 4bc0c262b1..0000000000
--- a/resolv/tst-bug18665-tcp.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/* Test __libc_res_nsend buffer mismanagement, basic TCP coverage.
- Copyright (C) 2016-2017 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 <errno.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/xthread.h>
-#include <support/xmemstream.h>
-
-static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-
-static int initial_address_count = 1;
-static int subsequent_address_count = 2000;
-static int response_number = 0;
-
-static void
-response (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype)
-{
- TEST_VERIFY_EXIT (qname != NULL);
-
- /* If not using TCP, just force its use. */
- if (!ctx->tcp)
- {
- struct resolv_response_flags flags = {.tc = true};
- resolv_response_init (b, flags);
- resolv_response_add_question (b, qname, qclass, qtype);
- return;
- }
-
- struct resolv_response_flags flags = {};
- resolv_response_init (b, flags);
- resolv_response_add_question (b, qname, qclass, qtype);
-
- resolv_response_section (b, ns_s_an);
-
- /* The number of addresses (in the additional section) for the name
- server record (in the authoritative section). */
- int address_count;
- xpthread_mutex_lock (&lock);
- ++response_number;
- if (response_number == 1)
- address_count = initial_address_count;
- else if (response_number == 2)
- {
- address_count = 0;
- resolv_response_drop (b);
- resolv_response_close (b);
- }
- else
- address_count = subsequent_address_count;
- xpthread_mutex_unlock (&lock);
-
- /* Only add the address record to the answer section if we requested
- any name server addresses. */
- if (address_count > 0)
- {
- resolv_response_open_record (b, qname, qclass, qtype, 0);
- switch (qtype)
- {
- case T_A:
- {
- char ipv4[4] = {10, response_number >> 8, response_number, 0};
- ipv4[3] = 2 * ctx->tcp + 4 * ctx->server_index;
- resolv_response_add_data (b, &ipv4, sizeof (ipv4));
- }
- break;
- case T_AAAA:
- {
- char ipv6[16]
- = {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0,
- response_number >> 8, response_number, 0, 0};
- ipv6[15] = 2 * ctx->tcp + 4 * ctx->server_index;
- resolv_response_add_data (b, &ipv6, sizeof (ipv6));
- }
- break;
- default:
- support_record_failure ();
- printf ("error: unexpected QTYPE: %s/%u/%u\n",
- qname, qclass, qtype);
- }
- resolv_response_close_record (b);
-
- /* Add the name server record. */
- resolv_response_section (b, ns_s_ns);
- resolv_response_open_record (b, "example", C_IN, T_NS, 0);
- resolv_response_add_name (b, "ns.example");
- resolv_response_close_record (b);
-
- /* Increase the response size with name server addresses. These
- addresses are not copied out of nss_dns, and thus do not
- trigger getaddrinfo retries with a larger buffer, making
- testing more predictable. */
- resolv_response_section (b, ns_s_ar);
- for (int i = 1; i <= address_count; ++i)
- {
- resolv_response_open_record (b, "ns.example", qclass, qtype, 0);
- switch (qtype)
- {
- case T_A:
- {
- char ipv4[4] = {response_number, i >> 8, i, 0};
- ipv4[3] = 2 * ctx->tcp + 4 * ctx->server_index;
- resolv_response_add_data (b, &ipv4, sizeof (ipv4));
- }
- break;
- case T_AAAA:
- {
- char ipv6[16]
- = {0x20, 0x01, 0xd, 0xb8, 0, 0, 0, 0, 0, 0,
- response_number >> 8, response_number,
- i >> 8, i, 0, 0};
- ipv6[15] = 2 * ctx->tcp + 4 * ctx->server_index;
- resolv_response_add_data (b, &ipv6, sizeof (ipv6));
- }
- break;
- default:
- support_record_failure ();
- printf ("error: unexpected QTYPE: %s/%u/%u\n",
- qname, qclass, qtype);
- }
- resolv_response_close_record (b);
- }
- }
-}
-
-static char *
-expected_result (unsigned port, unsigned response_number)
-{
- struct xmemstream mem;
- xopen_memstream (&mem);
- /* We fail the second TCP query to the first server by closing the
- connection immediately, without returning any data. This should
- cause failover to the second server. */
- int server_index = 1;
- fprintf (mem.out, "address: STREAM/TCP 10.%u.%u.%u %u\n",
- (response_number >> 8) & 0xff, response_number & 0xff,
- 2 + 4 * server_index, port);
- fprintf (mem.out, "address: STREAM/TCP 2001:db8::%x:%x %u\n",
- (response_number + 1) & 0xffff,
- 2 + 4 * server_index, port);
- xfclose_memstream (&mem);
- return mem.buffer;
-}
-
-static void
-test_different_sizes (void)
-{
- struct addrinfo hints =
- {
- .ai_family = AF_UNSPEC,
- .ai_socktype = SOCK_STREAM,
- .ai_protocol = IPPROTO_TCP,
- };
- struct addrinfo *ai;
- char *expected;
- int ret;
-
- /* This magic number produces a response size close to 2048
- bytes. */
- initial_address_count = 124;
- response_number = 0;
-
- ret = getaddrinfo ("www.example", "80", &hints, &ai);
- expected = expected_result (80, 3);
- check_addrinfo ("www.example:80", ai, ret, expected);
- if (ret == 0)
- freeaddrinfo (ai);
- free (expected);
-
- response_number = 0;
- ret = getaddrinfo ("www123.example", "80", &hints, &ai);
- if (ret == 0)
- freeaddrinfo (ai);
-
- response_number = 0;
- ret = getaddrinfo ("www1234.example", "80", &hints, &ai);
- if (ret == 0)
- freeaddrinfo (ai);
-
- response_number = 0;
- ret = getaddrinfo ("www12345.example", "80", &hints, &ai);
- if (ret == 0)
- freeaddrinfo (ai);
-}
-
-static int
-do_test (void)
-{
- struct resolv_test *obj = resolv_test_start
- ((struct resolv_redirect_config)
- {
- .response_callback = response
- });
-
- test_different_sizes ();
-
- _res.options |= RES_SNGLKUP;
- test_different_sizes ();
-
- _res.options |= RES_SNGLKUPREOP;
- test_different_sizes ();
-
- resolv_test_end (obj);
- return 0;
-}
-
-#include <support/test-driver.c>
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