diff options
Diffstat (limited to 'resolv/tst-resolv-nondecimal.c')
| -rw-r--r-- | resolv/tst-resolv-nondecimal.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/resolv/tst-resolv-nondecimal.c b/resolv/tst-resolv-nondecimal.c new file mode 100644 index 0000000000..a0df6f332a --- /dev/null +++ b/resolv/tst-resolv-nondecimal.c @@ -0,0 +1,139 @@ +/* Test name resolution behavior for octal, hexadecimal IPv4 addresses. + Copyright (C) 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 <netdb.h> +#include <stdlib.h> +#include <support/check.h> +#include <support/check_nss.h> +#include <support/resolv_test.h> +#include <support/support.h> + +static void +response (const struct resolv_response_context *ctx, + struct resolv_response_builder *b, + const char *qname, uint16_t qclass, uint16_t qtype) +{ + /* The tests are not supposed send any DNS queries. */ + FAIL_EXIT1 ("unexpected DNS query for %s/%d/%d", qname, qclass, qtype); +} + +static void +run_query_addrinfo (const char *query, const char *address) +{ + char *quoted_query = support_quote_string (query); + + struct addrinfo *ai; + struct addrinfo hints = + { + .ai_socktype = SOCK_STREAM, + .ai_protocol = IPPROTO_TCP, + }; + + char *context = xasprintf ("getaddrinfo \"%s\" AF_INET", quoted_query); + char *expected = xasprintf ("address: STREAM/TCP %s 80\n", address); + hints.ai_family = AF_INET; + int ret = getaddrinfo (query, "80", &hints, &ai); + check_addrinfo (context, ai, ret, expected); + if (ret == 0) + freeaddrinfo (ai); + free (context); + + context = xasprintf ("getaddrinfo \"%s\" AF_UNSPEC", quoted_query); + hints.ai_family = AF_UNSPEC; + ret = getaddrinfo (query, "80", &hints, &ai); + check_addrinfo (context, ai, ret, expected); + if (ret == 0) + freeaddrinfo (ai); + free (expected); + free (context); + + context = xasprintf ("getaddrinfo \"%s\" AF_INET6", quoted_query); + expected = xasprintf ("flags: AI_V4MAPPED\n" + "address: STREAM/TCP ::ffff:%s 80\n", + address); + hints.ai_family = AF_INET6; + hints.ai_flags = AI_V4MAPPED; + ret = getaddrinfo (query, "80", &hints, &ai); + check_addrinfo (context, ai, ret, expected); + if (ret == 0) + freeaddrinfo (ai); + free (expected); + free (context); + + free (quoted_query); +} + +static void +run_query (const char *query, const char *address) +{ + char *quoted_query = support_quote_string (query); + char *context = xasprintf ("gethostbyname (\"%s\")", quoted_query); + char *expected = xasprintf ("name: %s\n" + "address: %s\n", query, address); + check_hostent (context, gethostbyname (query), expected); + free (context); + + context = xasprintf ("gethostbyname_r \"%s\"", quoted_query); + struct hostent storage; + char buf[4096]; + struct hostent *e = NULL; + TEST_COMPARE (gethostbyname_r (query, &storage, buf, sizeof (buf), + &e, &h_errno), 0); + check_hostent (context, e, expected); + free (context); + + context = xasprintf ("gethostbyname2 (\"%s\", AF_INET)", quoted_query); + check_hostent (context, gethostbyname2 (query, AF_INET), expected); + free (context); + + context = xasprintf ("gethostbyname2_r \"%s\" AF_INET", quoted_query); + e = NULL; + TEST_COMPARE (gethostbyname2_r (query, AF_INET, &storage, buf, sizeof (buf), + &e, &h_errno), 0); + check_hostent (context, e, expected); + free (context); + free (expected); + + free (quoted_query); + + /* The gethostbyname tests are always valid for getaddrinfo, but not + vice versa. */ + run_query_addrinfo (query, address); +} + +static int +do_test (void) +{ + struct resolv_test *aux = resolv_test_start + ((struct resolv_redirect_config) + { + .response_callback = response, + }); + + run_query ("192.000.002.010", "192.0.2.8"); + + /* Hexadecimal numbers are not accepted by gethostbyname. */ + run_query_addrinfo ("0xc0000210", "192.0.2.16"); + run_query_addrinfo ("192.0x234", "192.0.2.52"); + + resolv_test_end (aux); + + return 0; +} + +#include <support/test-driver.c> |