/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * * SPDX-License-Identifier: curl * ***************************************************************************/ #include "curlcheck.h" #include "urldata.h" #include "connect.h" #include "share.h" #include "memdebug.h" /* LAST include file */ static void unit_stop(void) { curl_global_cleanup(); } static CURLcode unit_setup(void) { CURLcode res = CURLE_OK; global_init(CURL_GLOBAL_ALL); return res; } struct testcase { /* host:port:address[,address]... */ const char *optval; /* lowercase host and port to retrieve the addresses from hostcache */ const char *host; int port; /* whether we expect a permanent or non-permanent cache entry */ bool permanent; /* 0 to 9 addresses expected from hostcache */ const char *address[10]; }; /* In builds without IPv6 support CURLOPT_RESOLVE should skip over those addresses, so we have to do that as well. */ static const char skip = 0; #ifdef ENABLE_IPV6 #define IPV6ONLY(x) x #else #define IPV6ONLY(x) &skip #endif /* CURLOPT_RESOLVE address parsing tests */ static const struct testcase tests[] = { /* spaces aren't allowed, for now */ { "test.com:80:127.0.0.1, 127.0.0.2", "test.com", 80, TRUE, { NULL, } }, { "TEST.com:80:,,127.0.0.1,,,127.0.0.2,,,,::1,,,", "test.com", 80, TRUE, { "127.0.0.1", "127.0.0.2", IPV6ONLY("::1"), } }, { "test.com:80:::1,127.0.0.1", "test.com", 80, TRUE, { IPV6ONLY("::1"), "127.0.0.1", } }, { "test.com:80:[::1],127.0.0.1", "test.com", 80, TRUE, { IPV6ONLY("::1"), "127.0.0.1", } }, { "test.com:80:::1", "test.com", 80, TRUE, { IPV6ONLY("::1"), } }, { "test.com:80:[::1]", "test.com", 80, TRUE, { IPV6ONLY("::1"), } }, { "test.com:80:127.0.0.1", "test.com", 80, TRUE, { "127.0.0.1", } }, { "test.com:80:,127.0.0.1", "test.com", 80, TRUE, { "127.0.0.1", } }, { "test.com:80:127.0.0.1,", "test.com", 80, TRUE, { "127.0.0.1", } }, { "test.com:0:127.0.0.1", "test.com", 0, TRUE, { "127.0.0.1", } }, { "+test.com:80:127.0.0.1,", "test.com", 80, FALSE, { "127.0.0.1", } }, }; UNITTEST_START { int i; int testnum = sizeof(tests) / sizeof(struct testcase); struct Curl_multi *multi = NULL; struct Curl_easy *easy = NULL; struct curl_slist *list = NULL; for(i = 0; i < testnum; ++i) { int j; int addressnum = sizeof(tests[i].address) / sizeof(*tests[i].address); struct Curl_addrinfo *addr; struct Curl_dns_entry *dns; void *entry_id; bool problem = false; easy = curl_easy_init(); if(!easy) goto error; /* create a multi handle and add the easy handle to it so that the hostcache is setup */ multi = curl_multi_init(); curl_multi_add_handle(multi, easy); list = curl_slist_append(NULL, tests[i].optval); if(!list) goto error; curl_easy_setopt(easy, CURLOPT_RESOLVE, list); Curl_loadhostpairs(easy); entry_id = (void *)aprintf("%s:%d", tests[i].host, tests[i].port); if(!entry_id) goto error; dns = Curl_hash_pick(easy->dns.hostcache, entry_id, strlen(entry_id) + 1); free(entry_id); entry_id = NULL; addr = dns ? dns->addr : NULL; for(j = 0; j < addressnum; ++j) { int port = 0; char ipaddress[MAX_IPADR_LEN] = {0}; if(!addr && !tests[i].address[j]) break; if(tests[i].address[j] == &skip) continue; if(addr && !Curl_addr2string(addr->ai_addr, addr->ai_addrlen, ipaddress, &port)) { fprintf(stderr, "%s:%d tests[%d] failed. getaddressinfo failed.\n", __FILE__, __LINE__, i); problem = true; break; } if(addr && !tests[i].address[j]) { fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr " "is %s but tests[%d].address[%d] is NULL.\n", __FILE__, __LINE__, i, ipaddress, i, j); problem = true; break; } if(!addr && tests[i].address[j]) { fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr " "is NULL but tests[%d].address[%d] is %s.\n", __FILE__, __LINE__, i, i, j, tests[i].address[j]); problem = true; break; } if(!curl_strequal(ipaddress, tests[i].address[j])) { fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr " "%s is not equal to tests[%d].address[%d] %s.\n", __FILE__, __LINE__, i, ipaddress, i, j, tests[i].address[j]); problem = true; break; } if(port != tests[i].port) { fprintf(stderr, "%s:%d tests[%d] failed. the retrieved port " "for tests[%d].address[%d] is %ld but tests[%d].port is %d.\n", __FILE__, __LINE__, i, i, j, port, i, tests[i].port); problem = true; break; } if(dns->timestamp && tests[i].permanent) { fprintf(stderr, "%s:%d tests[%d] failed. the timestamp is not zero " "but tests[%d].permanent is TRUE\n", __FILE__, __LINE__, i, i); problem = true; break; } if(dns->timestamp == 0 && !tests[i].permanent) { fprintf(stderr, "%s:%d tests[%d] failed. the timestamp is zero " "but tests[%d].permanent is FALSE\n", __FILE__, __LINE__, i, i); problem = true; break; } addr = addr->ai_next; } curl_easy_cleanup(easy); easy = NULL; curl_multi_cleanup(multi); multi = NULL; curl_slist_free_all(list); list = NULL; if(problem) { unitfail++; continue; } } error: curl_easy_cleanup(easy); curl_multi_cleanup(multi); curl_slist_free_all(list); } UNITTEST_STOP