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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 "test.h"
     23 #include "memdebug.h"
     24 
     25 static const char *HOSTHEADER = "Host: www.host.foo.com";
     26 static const char *JAR = "log/jar506";
     27 #define THREADS 2
     28 
     29 /* struct containing data of a thread */
     30 struct Tdata {
     31   CURLSH *share;
     32   char *url;
     33 };
     34 
     35 struct userdata {
     36   char *text;
     37   int counter;
     38 };
     39 
     40 int lock[3];
     41 
     42 /* lock callback */
     43 static void my_lock(CURL *handle, curl_lock_data data,
     44                     curl_lock_access laccess, void *useptr)
     45 {
     46   const char *what;
     47   struct userdata *user = (struct userdata *)useptr;
     48   int locknum;
     49 
     50   (void)handle;
     51   (void)laccess;
     52 
     53   switch (data) {
     54     case CURL_LOCK_DATA_SHARE:
     55       what = "share";
     56       locknum = 0;
     57       break;
     58     case CURL_LOCK_DATA_DNS:
     59       what = "dns";
     60       locknum = 1;
     61       break;
     62     case CURL_LOCK_DATA_COOKIE:
     63       what = "cookie";
     64       locknum = 2;
     65       break;
     66     default:
     67       fprintf(stderr, "lock: no such data: %d\n", (int)data);
     68       return;
     69   }
     70 
     71   /* detect locking of locked locks */
     72   if(lock[locknum]) {
     73     printf("lock: double locked %s\n", what);
     74     return;
     75   }
     76   lock[locknum]++;
     77 
     78   printf("lock:   %-6s [%s]: %d\n", what, user->text, user->counter);
     79   user->counter++;
     80 }
     81 
     82 /* unlock callback */
     83 static void my_unlock(CURL *handle, curl_lock_data data, void *useptr)
     84 {
     85   const char *what;
     86   struct userdata *user = (struct userdata *)useptr;
     87   int locknum;
     88   (void)handle;
     89   switch (data) {
     90     case CURL_LOCK_DATA_SHARE:
     91       what = "share";
     92       locknum = 0;
     93       break;
     94     case CURL_LOCK_DATA_DNS:
     95       what = "dns";
     96       locknum = 1;
     97       break;
     98     case CURL_LOCK_DATA_COOKIE:
     99       what = "cookie";
    100       locknum = 2;
    101       break;
    102     default:
    103       fprintf(stderr, "unlock: no such data: %d\n", (int)data);
    104       return;
    105   }
    106 
    107   /* detect unlocking of unlocked locks */
    108   if(!lock[locknum]) {
    109     printf("unlock: double unlocked %s\n", what);
    110     return;
    111   }
    112   lock[locknum]--;
    113 
    114   printf("unlock: %-6s [%s]: %d\n", what, user->text, user->counter);
    115   user->counter++;
    116 }
    117 
    118 
    119 /* build host entry */
    120 static struct curl_slist *sethost(struct curl_slist *headers)
    121 {
    122   (void)headers;
    123   return curl_slist_append(NULL, HOSTHEADER);
    124 }
    125 
    126 
    127 /* the dummy thread function */
    128 static void *fire(void *ptr)
    129 {
    130   CURLcode code;
    131   struct curl_slist *headers;
    132   struct Tdata *tdata = (struct Tdata*)ptr;
    133   CURL *curl;
    134   int i=0;
    135 
    136   curl = curl_easy_init();
    137   if(!curl) {
    138     fprintf(stderr, "curl_easy_init() failed\n");
    139     return NULL;
    140   }
    141 
    142   headers = sethost(NULL);
    143   curl_easy_setopt(curl, CURLOPT_VERBOSE,    1L);
    144   curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
    145   curl_easy_setopt(curl, CURLOPT_URL,        tdata->url);
    146   printf("CURLOPT_SHARE\n");
    147   curl_easy_setopt(curl, CURLOPT_SHARE, tdata->share);
    148 
    149   printf("PERFORM\n");
    150   code = curl_easy_perform(curl);
    151   if(code) {
    152     fprintf(stderr, "perform url '%s' repeat %d failed, curlcode %d\n",
    153             tdata->url, i, (int)code);
    154   }
    155 
    156   printf("CLEANUP\n");
    157   curl_easy_cleanup(curl);
    158   curl_slist_free_all(headers);
    159 
    160   return NULL;
    161 }
    162 
    163 
    164 /* build request url */
    165 static char *suburl(const char *base, int i)
    166 {
    167   return curl_maprintf("%s%.4d", base, i);
    168 }
    169 
    170 
    171 /* test function */
    172 int test(char *URL)
    173 {
    174   int res;
    175   CURLSHcode scode = CURLSHE_OK;
    176   CURLcode code = CURLE_OK;
    177   char *url = NULL;
    178   struct Tdata tdata;
    179   CURL *curl;
    180   CURLSH *share;
    181   struct curl_slist *headers = NULL;
    182   struct curl_slist *cookies = NULL;
    183   struct curl_slist *next_cookie = NULL;
    184   int i;
    185   struct userdata user;
    186 
    187   user.text = (char *)"Pigs in space";
    188   user.counter = 0;
    189 
    190   printf("GLOBAL_INIT\n");
    191   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
    192     fprintf(stderr, "curl_global_init() failed\n");
    193     return TEST_ERR_MAJOR_BAD;
    194   }
    195 
    196   /* prepare share */
    197   printf("SHARE_INIT\n");
    198   if((share = curl_share_init()) == NULL) {
    199     fprintf(stderr, "curl_share_init() failed\n");
    200     curl_global_cleanup();
    201     return TEST_ERR_MAJOR_BAD;
    202   }
    203 
    204   if(CURLSHE_OK == scode) {
    205     printf("CURLSHOPT_LOCKFUNC\n");
    206     scode = curl_share_setopt(share, CURLSHOPT_LOCKFUNC, my_lock);
    207   }
    208   if(CURLSHE_OK == scode) {
    209     printf("CURLSHOPT_UNLOCKFUNC\n");
    210     scode = curl_share_setopt(share, CURLSHOPT_UNLOCKFUNC, my_unlock);
    211   }
    212   if(CURLSHE_OK == scode) {
    213     printf("CURLSHOPT_USERDATA\n");
    214     scode = curl_share_setopt(share, CURLSHOPT_USERDATA, &user);
    215   }
    216   if(CURLSHE_OK == scode) {
    217     printf("CURL_LOCK_DATA_COOKIE\n");
    218     scode = curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);
    219   }
    220   if(CURLSHE_OK == scode) {
    221     printf("CURL_LOCK_DATA_DNS\n");
    222     scode = curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
    223   }
    224 
    225   if(CURLSHE_OK != scode) {
    226     fprintf(stderr, "curl_share_setopt() failed\n");
    227     curl_share_cleanup(share);
    228     curl_global_cleanup();
    229     return TEST_ERR_MAJOR_BAD;
    230   }
    231 
    232   /* initial cookie manipulation */
    233   if((curl = curl_easy_init()) == NULL) {
    234     fprintf(stderr, "curl_easy_init() failed\n");
    235     curl_share_cleanup(share);
    236     curl_global_cleanup();
    237     return TEST_ERR_MAJOR_BAD;
    238   }
    239   printf("CURLOPT_SHARE\n");
    240   test_setopt(curl, CURLOPT_SHARE,      share);
    241   printf("CURLOPT_COOKIELIST injected_and_clobbered\n");
    242   test_setopt(curl, CURLOPT_COOKIELIST,
    243                "Set-Cookie: injected_and_clobbered=yes; "
    244                "domain=host.foo.com; expires=Sat Feb 2 11:56:27 GMT 2030");
    245   printf("CURLOPT_COOKIELIST ALL\n");
    246   test_setopt(curl, CURLOPT_COOKIELIST, "ALL");
    247   printf("CURLOPT_COOKIELIST session\n");
    248   test_setopt(curl, CURLOPT_COOKIELIST, "Set-Cookie: session=elephants");
    249   printf("CURLOPT_COOKIELIST injected\n");
    250   test_setopt(curl, CURLOPT_COOKIELIST,
    251                "Set-Cookie: injected=yes; domain=host.foo.com; "
    252                "expires=Sat Feb 2 11:56:27 GMT 2030");
    253   printf("CURLOPT_COOKIELIST SESS\n");
    254   test_setopt(curl, CURLOPT_COOKIELIST, "SESS");
    255   printf("CLEANUP\n");
    256   curl_easy_cleanup(curl);
    257 
    258 
    259   res = 0;
    260 
    261   /* start treads */
    262   for(i=1; i<=THREADS; i++) {
    263 
    264     /* set thread data */
    265     tdata.url   = suburl(URL, i); /* must be curl_free()d */
    266     tdata.share = share;
    267 
    268     /* simulate thread, direct call of "thread" function */
    269     printf("*** run %d\n",i);
    270     fire(&tdata);
    271 
    272     curl_free(tdata.url);
    273   }
    274 
    275 
    276   /* fetch a another one and save cookies */
    277   printf("*** run %d\n", i);
    278   if((curl = curl_easy_init()) == NULL) {
    279     fprintf(stderr, "curl_easy_init() failed\n");
    280     curl_share_cleanup(share);
    281     curl_global_cleanup();
    282     return TEST_ERR_MAJOR_BAD;
    283   }
    284 
    285   url = suburl(URL, i);
    286   headers = sethost(NULL);
    287   test_setopt(curl, CURLOPT_HTTPHEADER, headers);
    288   test_setopt(curl, CURLOPT_URL,        url);
    289   printf("CURLOPT_SHARE\n");
    290   test_setopt(curl, CURLOPT_SHARE,      share);
    291   printf("CURLOPT_COOKIEJAR\n");
    292   test_setopt(curl, CURLOPT_COOKIEJAR,  JAR);
    293   printf("CURLOPT_COOKIELIST FLUSH\n");
    294   test_setopt(curl, CURLOPT_COOKIELIST, "FLUSH");
    295 
    296   printf("PERFORM\n");
    297   curl_easy_perform(curl);
    298 
    299   printf("CLEANUP\n");
    300   curl_easy_cleanup(curl);
    301   curl_free(url);
    302   curl_slist_free_all(headers);
    303 
    304   /* load cookies */
    305   if((curl = curl_easy_init()) == NULL) {
    306     fprintf(stderr, "curl_easy_init() failed\n");
    307     curl_share_cleanup(share);
    308     curl_global_cleanup();
    309     return TEST_ERR_MAJOR_BAD;
    310   }
    311   url = suburl(URL, i);
    312   headers = sethost(NULL);
    313   test_setopt(curl, CURLOPT_HTTPHEADER, headers);
    314   test_setopt(curl, CURLOPT_URL,        url);
    315   printf("CURLOPT_SHARE\n");
    316   test_setopt(curl, CURLOPT_SHARE,      share);
    317   printf("CURLOPT_COOKIELIST ALL\n");
    318   test_setopt(curl, CURLOPT_COOKIELIST, "ALL");
    319   printf("CURLOPT_COOKIEJAR\n");
    320   test_setopt(curl, CURLOPT_COOKIEFILE, JAR);
    321   printf("CURLOPT_COOKIELIST RELOAD\n");
    322   test_setopt(curl, CURLOPT_COOKIELIST, "RELOAD");
    323 
    324   code = curl_easy_getinfo(curl, CURLINFO_COOKIELIST, &cookies);
    325   if(code != CURLE_OK) {
    326     fprintf(stderr, "curl_easy_getinfo() failed\n");
    327     res = TEST_ERR_MAJOR_BAD;
    328     goto test_cleanup;
    329   }
    330   printf("loaded cookies:\n");
    331   if(!cookies) {
    332     fprintf(stderr, "  reloading cookies from '%s' failed\n", JAR);
    333     res = TEST_ERR_MAJOR_BAD;
    334     goto test_cleanup;
    335   }
    336   printf("-----------------\n");
    337   next_cookie = cookies;
    338   while(next_cookie) {
    339     printf("  %s\n", next_cookie->data);
    340     next_cookie = next_cookie->next;
    341   }
    342   printf("-----------------\n");
    343   curl_slist_free_all(cookies);
    344 
    345   /* try to free share, expect to fail because share is in use*/
    346   printf("try SHARE_CLEANUP...\n");
    347   scode = curl_share_cleanup(share);
    348   if(scode==CURLSHE_OK) {
    349     fprintf(stderr, "curl_share_cleanup succeed but error expected\n");
    350     share = NULL;
    351   }
    352   else {
    353     printf("SHARE_CLEANUP failed, correct\n");
    354   }
    355 
    356 test_cleanup:
    357 
    358   /* clean up last handle */
    359   printf("CLEANUP\n");
    360   curl_easy_cleanup(curl);
    361   curl_slist_free_all(headers);
    362   curl_free(url);
    363 
    364   /* free share */
    365   printf("SHARE_CLEANUP\n");
    366   scode = curl_share_cleanup(share);
    367   if(scode!=CURLSHE_OK)
    368     fprintf(stderr, "curl_share_cleanup failed, code errno %d\n",
    369             (int)scode);
    370 
    371   printf("GLOBAL_CLEANUP\n");
    372   curl_global_cleanup();
    373 
    374   return res;
    375 }
    376 
    377