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-rw-r--r--resolv/tst-resolv-canonname.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/resolv/tst-resolv-canonname.c b/resolv/tst-resolv-canonname.c
deleted file mode 100644
index 5daac33882..0000000000
--- a/resolv/tst-resolv-canonname.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/* Test _nss_dns_getcanonname_r corner cases.
- Copyright (C) 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 <dlfcn.h>
-#include <errno.h>
-#include <gnu/lib-names.h>
-#include <netdb.h>
-#include <nss.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <support/check.h>
-#include <support/resolv_test.h>
-#include <support/support.h>
-
-/* _nss_dns_getcanonname_r is not called during regular operation
- because nss_dns directly provides a canonical name, so we have to
- test it directly. The function pointer is initialized by do_test
- below. */
-static enum nss_status
-(*getcanonname) (const char *name, char *buffer, size_t buflen,
- char **result, int *errnop, int *h_errnop);
-
-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;
- {
- char *tail;
- if (sscanf (qname, "code%d.%ms", &code, &tail) != 2
- || strcmp (tail, "example") != 0)
- FAIL_EXIT1 ("error: invalid QNAME: %s\n", qname);
- free (tail);
- }
-
- switch (code)
- {
- case 1:
- 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, "www.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- break;
- case 2:
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- resolv_response_section (b, ns_s_an);
- if (qtype == T_AAAA)
- {
- resolv_response_open_record (b, "www.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- for (int i = 0; i < 30000; ++i)
- resolv_response_add_data (b, "", 1);
- }
- break;
- case 3:
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- resolv_response_section (b, ns_s_an);
- if (qtype == T_AAAA)
- {
- resolv_response_open_record (b, "www.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- }
- else
- {
- for (int i = 0; i < 30000; ++i)
- resolv_response_add_data (b, "", 1);
- }
- break;
- case 4:
- 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, "www.example");
- resolv_response_close_record (b);
- resolv_response_open_record (b, "www.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- break;
- case 5:
- 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, "www.example");
- resolv_response_close_record (b);
- resolv_response_open_record (b, qname, qclass, T_CNAME, 0);
- resolv_response_add_name (b, "www1.example");
- resolv_response_close_record (b);
- resolv_response_open_record (b, "www1.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- break;
- case 6:
- 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, "www.example");
- resolv_response_close_record (b);
- resolv_response_open_record (b, qname, qclass, 46 /* RRSIG */, 0);
- resolv_response_add_name (b, ".");
- resolv_response_close_record (b);
- resolv_response_open_record (b, "www.example", qclass, qtype, 0);
- resolv_response_add_data (b, "\xC0\x00\x02\x01", 4);
- resolv_response_close_record (b);
- break;
- case 102:
- 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_CNAME, 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_CNAME);
- resolv_response_add_data (b, &rrtype, sizeof (rrtype));
- }
- break;
- case 103:
- /* NODATA repsonse. */
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- break;
- case 104:
- resolv_response_init (b, (struct resolv_response_flags) {.ancount = 1});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No RR metadata. */
- resolv_response_add_name (b, "www.example");
- break;
- case 105:
- if (qtype == T_A)
- {
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No data, trigger AAAA query. */
- }
- else
- {
- resolv_response_init
- (b, (struct resolv_response_flags) {.ancount = 1});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No RR metadata. */
- resolv_response_add_name
- (b, "long-name-exceed-previously-initialized-buffer.example");
- }
- break;
- case 106:
- resolv_response_init (b, (struct resolv_response_flags) {.ancount = 1});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No RR metadata. */
- resolv_response_add_name (b, "www.example");
- resolv_response_add_data (b, "\xff\xff", 2);
- break;
- case 107:
- if (qtype == T_A)
- {
- resolv_response_init (b, (struct resolv_response_flags) {});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No data, trigger AAAA query. */
- }
- else
- {
- resolv_response_init
- (b, (struct resolv_response_flags) {.ancount = 1});
- resolv_response_add_question (b, qname, qclass, qtype);
- /* No RR metadata. */
- resolv_response_add_name (b, "www.example");
- resolv_response_add_data (b, "\xff\xff", 2);
- }
- break;
- default:
- FAIL_EXIT1 ("error: invalid QNAME: %s (code %d)\n", qname, code);
- }
-}
-
-static void
-check (int code, const char *expected)
-{
- char qname[200];
- snprintf (qname, sizeof (qname), "code%d.example", code);
- char *result;
- enum nss_status status;
- {
- enum { buffer_size = 4096 };
- char *buffer = xmalloc (buffer_size);
- char *temp_result;
- int temp_errno;
- int temp_herrno;
- status = getcanonname
- (qname, buffer, buffer_size, &temp_result, &temp_errno, &temp_herrno);
- if (status == NSS_STATUS_SUCCESS)
- result = xstrdup (temp_result);
- else
- {
- errno = temp_errno;
- h_errno = temp_herrno;
- }
- free (buffer);
- }
-
- if (status == NSS_STATUS_SUCCESS)
- {
- if (expected != NULL)
- {
- if (strcmp (result, expected) != 0)
- {
- support_record_failure ();
- printf ("error: getcanonname (%s) failed\n", qname);
- printf ("error: expected: %s\n", expected);
- printf ("error: actual: %s\n", result);
- free (result);
- return;
- }
- }
- else
- {
- support_record_failure ();
- printf ("error: getcanonname (%s) unexpected success\n", qname);
- printf ("error: actual: %s\n", result);
- free (result);
- return;
- }
- free (result);
- }
- else
- {
- if (expected != NULL)
- {
- support_record_failure ();
- printf ("error: getcanonname (%s) failed\n", qname);
- printf ("error: expected: %s\n", expected);
- return;
- }
- }
-}
-
-
-static int
-do_test (void)
-{
- void *nss_dns_handle = dlopen (LIBNSS_DNS_SO, RTLD_LAZY);
- if (nss_dns_handle == NULL)
- FAIL_EXIT1 ("could not dlopen %s: %s", LIBNSS_DNS_SO, dlerror ());
- {
- const char *func = "_nss_dns_getcanonname_r";
- void *ptr = dlsym (nss_dns_handle, func);
- if (ptr == NULL)
- FAIL_EXIT1 ("could not look up %s: %s", func, dlerror ());
- getcanonname = ptr;
- }
-
- struct resolv_test *aux = resolv_test_start
- ((struct resolv_redirect_config)
- {
- .response_callback = response,
- });
-
- check (1, "www.example");
- check (2, "www.example");
- check (3, "www.example");
- check (4, "www.example");
- check (5, "www1.example");
-
- /* This should really result in "www.example", but the fake RRSIG
- record causes the current implementation to stop parsing. */
- check (6, NULL);
-
- for (int i = 102; i <= 107; ++i)
- check (i, NULL);
-
- resolv_test_end (aux);
-
- TEST_VERIFY (dlclose (nss_dns_handle) == 0);
- return 0;
-}
-
-#include <support/test-driver.c>
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