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-rw-r--r--resolv/tst-resolv-network.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/resolv/tst-resolv-network.c b/resolv/tst-resolv-network.c
deleted file mode 100644
index df9daf8d58..0000000000
--- a/resolv/tst-resolv-network.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/* Test getnetbyname and getnetbyaddr.
- 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 <netdb.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/xmemstream.h>
-
-static void
-send_ptr (struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype,
- const char *alias)
-{
- 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);
- resolv_response_add_name (b, alias);
- resolv_response_close_record (b);
-}
-
-static void
-handle_code (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype,
- int code)
-{
- switch (code)
- {
- case 1:
- send_ptr (b, qname, qclass, qtype, "1.in-addr.arpa");
- break;
- case 2:
- send_ptr (b, qname, qclass, qtype, "2.1.in-addr.arpa");
- break;
- case 3:
- send_ptr (b, qname, qclass, qtype, "3.2.1.in-addr.arpa");
- break;
- case 4:
- send_ptr (b, qname, qclass, qtype, "4.3.2.1.in-addr.arpa");
- break;
- case 5:
- /* Test multiple PTR records. */
- 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);
- resolv_response_add_name (b, "127.in-addr.arpa");
- resolv_response_close_record (b);
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- resolv_response_add_name (b, "0.in-addr.arpa");
- resolv_response_close_record (b);
- break;
- case 6:
- /* Test skipping of RRSIG record. */
- 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);
- resolv_response_add_name (b, "127.in-addr.arpa");
- resolv_response_close_record (b);
-
- resolv_response_open_record (b, qname, qclass, 46 /* RRSIG */, 0);
- {
- char buf[500];
- memset (buf, 0x3f, sizeof (buf));
- resolv_response_add_data (b, buf, sizeof (buf));
- }
- resolv_response_close_record (b);
-
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- resolv_response_add_name (b, "0.in-addr.arpa");
- resolv_response_close_record (b);
- break;
- case 7:
- /* Test CNAME handling. */
- 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_CNAME, 0);
- resolv_response_add_name (b, "cname.example");
- resolv_response_close_record (b);
- resolv_response_open_record (b, "cname.example", qclass, T_PTR, 0);
- resolv_response_add_name (b, "4.3.2.1.in-addr.arpa");
- resolv_response_close_record (b);
- break;
-
- case 100:
- resolv_response_init (b, (struct resolv_response_flags) { .rcode = 0, });
- resolv_response_add_question (b, qname, qclass, qtype);
- break;
- case 101:
- resolv_response_init (b, (struct resolv_response_flags)
- { .rcode = NXDOMAIN, });
- resolv_response_add_question (b, qname, qclass, qtype);
- break;
- case 102:
- resolv_response_init (b, (struct resolv_response_flags) {.rcode = SERVFAIL});
- resolv_response_add_question (b, qname, qclass, qtype);
- break;
- case 103:
- /* Check response length matching. */
- if (!ctx->tcp)
- {
- resolv_response_init (b, (struct resolv_response_flags) {.tc = true});
- resolv_response_add_question (b, qname, qclass, qtype);
- }
- else
- {
- resolv_response_init (b, (struct resolv_response_flags) {.ancount = 1});
- 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);
- resolv_response_add_name (b, "127.in-addr.arpa");
- resolv_response_close_record (b);
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- resolv_response_add_name (b, "example");
- resolv_response_close_record (b);
-
- resolv_response_open_record (b, qname, qclass, T_PTR, 0);
- size_t to_fill = 65535 - resolv_response_length (b)
- - 2 /* length, "n" */ - 2 /* compression reference */
- - 2 /* RR type */;
- for (size_t i = 0; i < to_fill; ++i)
- resolv_response_add_data (b, "", 1);
- resolv_response_close_record (b);
- resolv_response_add_name (b, "n.example");
- uint16_t rrtype = htons (T_PTR);
- resolv_response_add_data (b, &rrtype, sizeof (rrtype));
- }
- break;
- default:
- FAIL_EXIT1 ("invalid QNAME: %s (code %d)", qname, code);
- }
-}
-
-static void
-response (const struct resolv_response_context *ctx,
- struct resolv_response_builder *b,
- const char *qname, uint16_t qclass, uint16_t qtype)
-{
- int code;
- if (strstr (qname, "in-addr.arpa") == NULL)
- {
- char *tail;
- if (sscanf (qname, "code%d.%ms", &code, &tail) != 2
- || strcmp (tail, "example") != 0)
- FAIL_EXIT1 ("invalid QNAME: %s", qname);
- free (tail);
- handle_code (ctx, b, qname, qclass, qtype, code);
- }
- else
- {
- /* Reverse lookup. */
- int components[4];
- char *tail;
- if (sscanf (qname, "%d.%d.%d.%d.%ms",
- components, components + 1, components + 2, components + 3,
- &tail) != 5
- || strcmp (tail, "in-addr.arpa") != 0)
- FAIL_EXIT1 ("invalid QNAME: %s", qname);
- free (tail);
- handle_code (ctx, b, qname, qclass, qtype, components[3]);
- }
-}
-
-static void
-check_reverse (int code, const char *expected)
-{
- char *query = xasprintf ("code=%d", code);
- check_netent (query, getnetbyaddr (code, AF_INET), expected);
- free (query);
-}
-
-/* Test for CVE-2016-3075. */
-static void
-check_long_name (void)
-{
- struct xmemstream mem;
- xopen_memstream (&mem);
-
- char label[65];
- memset (label, 'x', 63);
- label[63] = '.';
- label[64] = '\0';
- for (unsigned i = 0; i < 64 * 1024 * 1024 / strlen (label); ++i)
- fprintf (mem.out, "%s", label);
-
- xfclose_memstream (&mem);
-
- check_netent ("long name", getnetbyname (mem.buffer),
- "error: NO_RECOVERY\n");
-
- free (mem.buffer);
-}
-
-int
-main (void)
-{
- struct resolv_test *obj = resolv_test_start
- ((struct resolv_redirect_config)
- {
- .response_callback = response
- });
-
- /* Lookup by name, success cases. */
- check_netent ("code1.example", getnetbyname ("code1.example"),
- "alias: 1.in-addr.arpa\n"
- "net: 0x00000001\n");
- check_netent ("code2.example", getnetbyname ("code2.example"),
- "alias: 2.1.in-addr.arpa\n"
- "net: 0x00000102\n");
- check_netent ("code3.example", getnetbyname ("code3.example"),
- "alias: 3.2.1.in-addr.arpa\n"
- "net: 0x00010203\n");
- check_netent ("code4.example", getnetbyname ("code4.example"),
- "alias: 4.3.2.1.in-addr.arpa\n"
- "net: 0x01020304\n");
- check_netent ("code5.example", getnetbyname ("code5.example"),
- "alias: 127.in-addr.arpa\n"
- "alias: 0.in-addr.arpa\n"
- "net: 0x0000007f\n");
- check_netent ("code6.example", getnetbyname ("code6.example"),
- "alias: 127.in-addr.arpa\n"
- "alias: 0.in-addr.arpa\n"
- "net: 0x0000007f\n");
- check_netent ("code7.example", getnetbyname ("code7.example"),
- "alias: 4.3.2.1.in-addr.arpa\n"
- "net: 0x01020304\n");
-
- /* Lookup by name, failure cases. */
- check_netent ("code100.example", getnetbyname ("code100.example"),
- "error: NO_ADDRESS\n");
- check_netent ("code101.example", getnetbyname ("code101.example"),
- "error: HOST_NOT_FOUND\n");
- check_netent ("code102.example", getnetbyname ("code102.example"),
- "error: TRY_AGAIN\n");
- check_netent ("code103.example", getnetbyname ("code103.example"),
- "error: NO_RECOVERY\n");
-
- /* Lookup by address, success cases. */
- check_reverse (1,
- "name: 1.in-addr.arpa\n"
- "net: 0x00000001\n");
- check_reverse (2,
- "name: 2.1.in-addr.arpa\n"
- "net: 0x00000002\n");
- check_reverse (3,
- "name: 3.2.1.in-addr.arpa\n"
- "net: 0x00000003\n");
- check_reverse (4,
- "name: 4.3.2.1.in-addr.arpa\n"
- "net: 0x00000004\n");
- check_reverse (5,
- "name: 127.in-addr.arpa\n"
- "alias: 0.in-addr.arpa\n"
- "net: 0x00000005\n");
- check_reverse (6,
- "name: 127.in-addr.arpa\n"
- "alias: 0.in-addr.arpa\n"
- "net: 0x00000006\n");
- check_reverse (7,
- "name: 4.3.2.1.in-addr.arpa\n"
- "net: 0x00000007\n");
-
- /* Lookup by address, failure cases. */
- check_reverse (100,
- "error: NO_ADDRESS\n");
- check_reverse (101,
- "error: HOST_NOT_FOUND\n");
- check_reverse (102,
- "error: TRY_AGAIN\n");
- check_reverse (103,
- "error: NO_RECOVERY\n");
-
- check_long_name ();
-
- resolv_test_end (obj);
-}
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