1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 #include "curlcheck.h"
25
26 #include "urldata.h"
27 #include "connect.h"
28 #include "share.h"
29
30 #include "memdebug.h" /* LAST include file */
31
unit_stop(void)32 static void unit_stop(void)
33 {
34 curl_global_cleanup();
35 }
36
unit_setup(void)37 static CURLcode unit_setup(void)
38 {
39 CURLcode res = CURLE_OK;
40
41 global_init(CURL_GLOBAL_ALL);
42
43 return res;
44 }
45
46 struct testcase {
47 /* host:port:address[,address]... */
48 const char *optval;
49
50 /* lowercase host and port to retrieve the addresses from hostcache */
51 const char *host;
52 int port;
53
54 /* whether we expect a permanent or non-permanent cache entry */
55 bool permanent;
56
57 /* 0 to 9 addresses expected from hostcache */
58 const char *address[10];
59 };
60
61
62 /* In builds without IPv6 support CURLOPT_RESOLVE should skip over those
63 addresses, so we have to do that as well. */
64 static const char skip = 0;
65 #ifdef ENABLE_IPV6
66 #define IPV6ONLY(x) x
67 #else
68 #define IPV6ONLY(x) &skip
69 #endif
70
71 /* CURLOPT_RESOLVE address parsing tests */
72 static const struct testcase tests[] = {
73 /* spaces aren't allowed, for now */
74 { "test.com:80:127.0.0.1, 127.0.0.2",
75 "test.com", 80, TRUE, { NULL, }
76 },
77 { "TEST.com:80:,,127.0.0.1,,,127.0.0.2,,,,::1,,,",
78 "test.com", 80, TRUE, { "127.0.0.1", "127.0.0.2", IPV6ONLY("::1"), }
79 },
80 { "test.com:80:::1,127.0.0.1",
81 "test.com", 80, TRUE, { IPV6ONLY("::1"), "127.0.0.1", }
82 },
83 { "test.com:80:[::1],127.0.0.1",
84 "test.com", 80, TRUE, { IPV6ONLY("::1"), "127.0.0.1", }
85 },
86 { "test.com:80:::1",
87 "test.com", 80, TRUE, { IPV6ONLY("::1"), }
88 },
89 { "test.com:80:[::1]",
90 "test.com", 80, TRUE, { IPV6ONLY("::1"), }
91 },
92 { "test.com:80:127.0.0.1",
93 "test.com", 80, TRUE, { "127.0.0.1", }
94 },
95 { "test.com:80:,127.0.0.1",
96 "test.com", 80, TRUE, { "127.0.0.1", }
97 },
98 { "test.com:80:127.0.0.1,",
99 "test.com", 80, TRUE, { "127.0.0.1", }
100 },
101 { "test.com:0:127.0.0.1",
102 "test.com", 0, TRUE, { "127.0.0.1", }
103 },
104 { "+test.com:80:127.0.0.1,",
105 "test.com", 80, FALSE, { "127.0.0.1", }
106 },
107 };
108
109 UNITTEST_START
110 {
111 int i;
112 int testnum = sizeof(tests) / sizeof(struct testcase);
113 struct Curl_multi *multi = NULL;
114 struct Curl_easy *easy = NULL;
115 struct curl_slist *list = NULL;
116
117 for(i = 0; i < testnum; ++i) {
118 int j;
119 int addressnum = sizeof(tests[i].address) / sizeof(*tests[i].address);
120 struct Curl_addrinfo *addr;
121 struct Curl_dns_entry *dns;
122 void *entry_id;
123 bool problem = false;
124 easy = curl_easy_init();
125 if(!easy)
126 goto error;
127
128 /* create a multi handle and add the easy handle to it so that the
129 hostcache is setup */
130 multi = curl_multi_init();
131 curl_multi_add_handle(multi, easy);
132
133 list = curl_slist_append(NULL, tests[i].optval);
134 if(!list)
135 goto error;
136 curl_easy_setopt(easy, CURLOPT_RESOLVE, list);
137
138 Curl_loadhostpairs(easy);
139
140 entry_id = (void *)aprintf("%s:%d", tests[i].host, tests[i].port);
141 if(!entry_id)
142 goto error;
143 dns = Curl_hash_pick(easy->dns.hostcache, entry_id, strlen(entry_id) + 1);
144 free(entry_id);
145 entry_id = NULL;
146
147 addr = dns ? dns->addr : NULL;
148
149 for(j = 0; j < addressnum; ++j) {
150 int port = 0;
151 char ipaddress[MAX_IPADR_LEN] = {0};
152
153 if(!addr && !tests[i].address[j])
154 break;
155
156 if(tests[i].address[j] == &skip)
157 continue;
158
159 if(addr && !Curl_addr2string(addr->ai_addr, addr->ai_addrlen,
160 ipaddress, &port)) {
161 fprintf(stderr, "%s:%d tests[%d] failed. getaddressinfo failed.\n",
162 __FILE__, __LINE__, i);
163 problem = true;
164 break;
165 }
166
167 if(addr && !tests[i].address[j]) {
168 fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr "
169 "is %s but tests[%d].address[%d] is NULL.\n",
170 __FILE__, __LINE__, i, ipaddress, i, j);
171 problem = true;
172 break;
173 }
174
175 if(!addr && tests[i].address[j]) {
176 fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr "
177 "is NULL but tests[%d].address[%d] is %s.\n",
178 __FILE__, __LINE__, i, i, j, tests[i].address[j]);
179 problem = true;
180 break;
181 }
182
183 if(!curl_strequal(ipaddress, tests[i].address[j])) {
184 fprintf(stderr, "%s:%d tests[%d] failed. the retrieved addr "
185 "%s is not equal to tests[%d].address[%d] %s.\n",
186 __FILE__, __LINE__, i, ipaddress, i, j, tests[i].address[j]);
187 problem = true;
188 break;
189 }
190
191 if(port != tests[i].port) {
192 fprintf(stderr, "%s:%d tests[%d] failed. the retrieved port "
193 "for tests[%d].address[%d] is %d but tests[%d].port is %d.\n",
194 __FILE__, __LINE__, i, i, j, port, i, tests[i].port);
195 problem = true;
196 break;
197 }
198
199 if(dns->timestamp && tests[i].permanent) {
200 fprintf(stderr, "%s:%d tests[%d] failed. the timestamp is not zero "
201 "but tests[%d].permanent is TRUE\n",
202 __FILE__, __LINE__, i, i);
203 problem = true;
204 break;
205 }
206
207 if(dns->timestamp == 0 && !tests[i].permanent) {
208 fprintf(stderr, "%s:%d tests[%d] failed. the timestamp is zero "
209 "but tests[%d].permanent is FALSE\n",
210 __FILE__, __LINE__, i, i);
211 problem = true;
212 break;
213 }
214
215 addr = addr->ai_next;
216 }
217
218 curl_easy_cleanup(easy);
219 easy = NULL;
220 curl_multi_cleanup(multi);
221 multi = NULL;
222 curl_slist_free_all(list);
223 list = NULL;
224
225 if(problem) {
226 unitfail++;
227 continue;
228 }
229 }
230 error:
231 curl_easy_cleanup(easy);
232 curl_multi_cleanup(multi);
233 curl_slist_free_all(list);
234 }
235 UNITTEST_STOP
236