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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel (at) 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.haxx.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  ***************************************************************************/
     22 #include "curlcheck.h"
     23 
     24 #ifdef HAVE_NETINET_IN_H
     25 #  include <netinet/in.h>
     26 #endif
     27 #ifdef HAVE_NETDB_H
     28 #  include <netdb.h>
     29 #endif
     30 #ifdef HAVE_ARPA_INET_H
     31 #  include <arpa/inet.h>
     32 #endif
     33 
     34 #define ENABLE_CURLX_PRINTF
     35 #include "curlx.h"
     36 
     37 #include "hash.h"
     38 #include "hostip.h"
     39 
     40 #include "memdebug.h" /* LAST include file */
     41 
     42 static struct Curl_easy *data;
     43 static struct curl_hash hp;
     44 static char *data_key;
     45 static struct Curl_dns_entry *data_node;
     46 
     47 static CURLcode unit_setup(void)
     48 {
     49   int rc;
     50   data = curl_easy_init();
     51   if(!data)
     52     return CURLE_OUT_OF_MEMORY;
     53 
     54   rc = Curl_mk_dnscache(&hp);
     55   if(rc) {
     56     curl_easy_cleanup(data);
     57     curl_global_cleanup();
     58     return CURLE_OUT_OF_MEMORY;
     59   }
     60   return CURLE_OK;
     61 }
     62 
     63 static void unit_stop(void)
     64 {
     65   if(data_node) {
     66     Curl_freeaddrinfo(data_node->addr);
     67     free(data_node);
     68   }
     69   free(data_key);
     70   Curl_hash_destroy(&hp);
     71 
     72   curl_easy_cleanup(data);
     73   curl_global_cleanup();
     74 }
     75 
     76 static Curl_addrinfo *fake_ai(void)
     77 {
     78   static Curl_addrinfo *ai;
     79   int ss_size;
     80 
     81   ss_size = sizeof (struct sockaddr_in);
     82 
     83   if((ai = calloc(1, sizeof(Curl_addrinfo))) == NULL)
     84     return NULL;
     85 
     86   if((ai->ai_canonname = strdup("dummy")) == NULL) {
     87     free(ai);
     88     return NULL;
     89   }
     90 
     91   if((ai->ai_addr = calloc(1, ss_size)) == NULL) {
     92     free(ai->ai_canonname);
     93     free(ai);
     94     return NULL;
     95   }
     96 
     97   ai->ai_family = AF_INET;
     98   ai->ai_addrlen = ss_size;
     99 
    100   return ai;
    101 }
    102 
    103 static CURLcode create_node(void)
    104 {
    105   data_key = aprintf("%s:%d", "dummy", 0);
    106   if(!data_key)
    107     return CURLE_OUT_OF_MEMORY;
    108 
    109   data_node = calloc(1, sizeof(struct Curl_dns_entry));
    110   if(!data_node)
    111     return CURLE_OUT_OF_MEMORY;
    112 
    113   data_node->addr = fake_ai();
    114   if(!data_node->addr)
    115     return CURLE_OUT_OF_MEMORY;
    116 
    117   return CURLE_OK;
    118 }
    119 
    120 
    121 UNITTEST_START
    122 
    123   struct Curl_dns_entry *nodep;
    124   size_t key_len;
    125 
    126   /* Test 1305 exits without adding anything to the hash */
    127   if(strcmp(arg, "1305") != 0) {
    128     CURLcode rc = create_node();
    129     abort_unless(rc == CURLE_OK, "data node creation failed");
    130     key_len = strlen(data_key);
    131 
    132     data_node->inuse = 1; /* hash will hold the reference */
    133     nodep = Curl_hash_add(&hp, data_key, key_len+1, data_node);
    134     abort_unless(nodep, "insertion into hash failed");
    135     /* Freeing will now be done by Curl_hash_destroy */
    136     data_node = NULL;
    137   }
    138 
    139 UNITTEST_STOP
    140