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 #ifdef HAVE_NETINET_IN_H
27 # include <netinet/in.h>
28 #endif
29 #ifdef HAVE_NETDB_H
30 # include <netdb.h>
31 #endif
32 #ifdef HAVE_ARPA_INET_H
33 # include <arpa/inet.h>
34 #endif
35
36 #define ENABLE_CURLX_PRINTF
37 #include "curlx.h"
38
39 #include "hash.h"
40 #include "hostip.h"
41
42 #include "memdebug.h" /* LAST include file */
43
44 static struct Curl_easy *data;
45 static struct Curl_hash hp;
46 static char *data_key;
47 static struct Curl_dns_entry *data_node;
48
unit_setup(void)49 static CURLcode unit_setup(void)
50 {
51 data = curl_easy_init();
52 if(!data) {
53 curl_global_cleanup();
54 return CURLE_OUT_OF_MEMORY;
55 }
56
57 Curl_init_dnscache(&hp, 7);
58 return CURLE_OK;
59 }
60
unit_stop(void)61 static void unit_stop(void)
62 {
63 if(data_node) {
64 Curl_freeaddrinfo(data_node->addr);
65 free(data_node);
66 }
67 free(data_key);
68 Curl_hash_destroy(&hp);
69
70 curl_easy_cleanup(data);
71 curl_global_cleanup();
72 }
73
fake_ai(void)74 static struct Curl_addrinfo *fake_ai(void)
75 {
76 static struct Curl_addrinfo *ai;
77 static const char dummy[]="dummy";
78 size_t namelen = sizeof(dummy); /* including the null-terminator */
79
80 ai = calloc(1, sizeof(struct Curl_addrinfo) + sizeof(struct sockaddr_in) +
81 namelen);
82 if(!ai)
83 return NULL;
84
85 ai->ai_addr = (void *)((char *)ai + sizeof(struct Curl_addrinfo));
86 ai->ai_canonname = (void *)((char *)ai->ai_addr +
87 sizeof(struct sockaddr_in));
88 memcpy(ai->ai_canonname, dummy, namelen);
89
90 ai->ai_family = AF_INET;
91 ai->ai_addrlen = sizeof(struct sockaddr_in);
92
93 return ai;
94 }
95
create_node(void)96 static CURLcode create_node(void)
97 {
98 data_key = aprintf("%s:%d", "dummy", 0);
99 if(!data_key)
100 return CURLE_OUT_OF_MEMORY;
101
102 data_node = calloc(1, sizeof(struct Curl_dns_entry));
103 if(!data_node)
104 return CURLE_OUT_OF_MEMORY;
105
106 data_node->addr = fake_ai();
107 if(!data_node->addr)
108 return CURLE_OUT_OF_MEMORY;
109
110 return CURLE_OK;
111 }
112
113
114 UNITTEST_START
115
116 struct Curl_dns_entry *nodep;
117 size_t key_len;
118
119 /* Test 1305 exits without adding anything to the hash */
120 if(strcmp(arg, "1305") != 0) {
121 CURLcode rc = create_node();
122 abort_unless(rc == CURLE_OK, "data node creation failed");
123 key_len = strlen(data_key);
124
125 data_node->inuse = 1; /* hash will hold the reference */
126 nodep = Curl_hash_add(&hp, data_key, key_len + 1, data_node);
127 abort_unless(nodep, "insertion into hash failed");
128 /* Freeing will now be done by Curl_hash_destroy */
129 data_node = NULL;
130 }
131
132 UNITTEST_STOP
133
