Revert "Update to 7.44.0"
[platform/upstream/curl.git] / lib / share.c
index d883ff0..b8b6bee 100644 (file)
@@ -1,16 +1,16 @@
 /***************************************************************************
- *                                  _   _ ____  _     
- *  Project                     ___| | | |  _ \| |    
- *                             / __| | | | |_) | |    
- *                            | (__| |_| |  _ <| |___ 
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, 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 http://curl.haxx.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.
  *
- * $Id$
  ***************************************************************************/
 
-#include "setup.h"
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
+#include "curl_setup.h"
+
 #include <curl/curl.h>
 #include "urldata.h"
 #include "share.h"
+#include "vtls/vtls.h"
+#include "curl_memory.h"
 
 /* The last #include file should be: */
-#ifdef CURLDEBUG
 #include "memdebug.h"
-#endif
 
 CURLSH *
 curl_share_init(void)
 {
-  struct Curl_share *share =
-    (struct Curl_share *)malloc(sizeof(struct Curl_share));
-  if (share) {
-    memset (share, 0, sizeof(struct Curl_share));
+  struct Curl_share *share = calloc(1, sizeof(struct Curl_share));
+  if(share)
     share->specifier |= (1<<CURL_LOCK_DATA_SHARE);
-  }
 
   return share;
 }
 
+#undef curl_share_setopt
 CURLSHcode
 curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
 {
@@ -56,8 +51,9 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
   curl_lock_function lockfunc;
   curl_unlock_function unlockfunc;
   void *ptr;
+  CURLSHcode res = CURLSHE_OK;
 
-  if (share->dirty)
+  if(share->dirty)
     /* don't allow setting options while one or more handles are already
        using this share */
     return CURLSHE_IN_USE;
@@ -69,28 +65,47 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
     /* this is a type this share will share */
     type = va_arg(param, int);
     share->specifier |= (1<<type);
-    switch( type )
-    {
-      case CURL_LOCK_DATA_DNS:
-        if (!share->hostcache) {
-          share->hostcache = Curl_hash_alloc(7, Curl_freednsinfo);
-        }
-        break;
-
-      case CURL_LOCK_DATA_COOKIE:
-        if (!share->cookies) {
-          share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE );
-        }
-        break;
-
-      case CURL_LOCK_DATA_SSL_SESSION:
-        break;
-
-      case CURL_LOCK_DATA_CONNECT:
-        break;
-
-      default:
-        return CURLSHE_BAD_OPTION;
+    switch( type ) {
+    case CURL_LOCK_DATA_DNS:
+      if(!share->hostcache) {
+        share->hostcache = Curl_mk_dnscache();
+        if(!share->hostcache)
+          res = CURLSHE_NOMEM;
+      }
+      break;
+
+    case CURL_LOCK_DATA_COOKIE:
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(!share->cookies) {
+        share->cookies = Curl_cookie_init(NULL, NULL, NULL, TRUE );
+        if(!share->cookies)
+          res = CURLSHE_NOMEM;
+      }
+#else   /* CURL_DISABLE_HTTP */
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_SSL_SESSION:
+#ifdef USE_SSL
+      if(!share->sslsession) {
+        share->max_ssl_sessions = 8;
+        share->sslsession = calloc(share->max_ssl_sessions,
+                                   sizeof(struct curl_ssl_session));
+        share->sessionage = 0;
+        if(!share->sslsession)
+          res = CURLSHE_NOMEM;
+      }
+#else
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_CONNECT:     /* not supported (yet) */
+      break;
+
+    default:
+      res = CURLSHE_BAD_OPTION;
     }
     break;
 
@@ -98,30 +113,39 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
     /* this is a type this share will no longer share */
     type = va_arg(param, int);
     share->specifier &= ~(1<<type);
-    switch( type )
-    {
-      case CURL_LOCK_DATA_DNS:
-        if (share->hostcache) {
-          Curl_hash_destroy(share->hostcache);
-          share->hostcache = NULL;
-        }
-        break;
-
-      case CURL_LOCK_DATA_COOKIE:
-        if (share->cookies) {
-          Curl_cookie_cleanup(share->cookies);
-          share->cookies = NULL;
-        }
-        break;
-
-      case CURL_LOCK_DATA_SSL_SESSION:
-        break;
-
-      case CURL_LOCK_DATA_CONNECT:
-        break;
-
-      default:
-        return CURLSHE_BAD_OPTION;
+    switch( type ) {
+    case CURL_LOCK_DATA_DNS:
+      if(share->hostcache) {
+        Curl_hash_destroy(share->hostcache);
+        share->hostcache = NULL;
+      }
+      break;
+
+    case CURL_LOCK_DATA_COOKIE:
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+      if(share->cookies) {
+        Curl_cookie_cleanup(share->cookies);
+        share->cookies = NULL;
+      }
+#else   /* CURL_DISABLE_HTTP */
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_SSL_SESSION:
+#ifdef USE_SSL
+      Curl_safefree(share->sslsession);
+#else
+      res = CURLSHE_NOT_BUILT_IN;
+#endif
+      break;
+
+    case CURL_LOCK_DATA_CONNECT:
+      break;
+
+    default:
+      res = CURLSHE_BAD_OPTION;
+      break;
     }
     break;
 
@@ -132,7 +156,7 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
 
   case CURLSHOPT_UNLOCKFUNC:
     unlockfunc = va_arg(param, curl_unlock_function);
-    share->unlockfunc = unlockfunc;    
+    share->unlockfunc = unlockfunc;
     break;
 
   case CURLSHOPT_USERDATA:
@@ -141,52 +165,72 @@ curl_share_setopt(CURLSH *sh, CURLSHoption option, ...)
     break;
 
   default:
-    return CURLSHE_BAD_OPTION;
+    res = CURLSHE_BAD_OPTION;
+    break;
   }
 
-  return CURLSHE_OK;
+  va_end(param);
+
+  return res;
 }
 
 CURLSHcode
 curl_share_cleanup(CURLSH *sh)
 {
   struct Curl_share *share = (struct Curl_share *)sh;
-  
-  if (share == NULL)
+
+  if(share == NULL)
     return CURLSHE_INVALID;
-  
-  share->lockfunc(NULL, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE,
-                  share->clientdata);
-  
-  if (share->dirty) {
-    share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
+
+  if(share->lockfunc)
+    share->lockfunc(NULL, CURL_LOCK_DATA_SHARE, CURL_LOCK_ACCESS_SINGLE,
+                    share->clientdata);
+
+  if(share->dirty) {
+    if(share->unlockfunc)
+      share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
     return CURLSHE_IN_USE;
   }
 
-  if(share->hostcache)
+  if(share->hostcache) {
     Curl_hash_destroy(share->hostcache);
+    share->hostcache = NULL;
+  }
 
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
   if(share->cookies)
     Curl_cookie_cleanup(share->cookies);
+#endif
+
+#ifdef USE_SSL
+  if(share->sslsession) {
+    size_t i;
+    for(i = 0; i < share->max_ssl_sessions; i++)
+      Curl_ssl_kill_session(&(share->sslsession[i]));
+    free(share->sslsession);
+  }
+#endif
+
+  if(share->unlockfunc)
+    share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
+  free(share);
 
-  share->unlockfunc(NULL, CURL_LOCK_DATA_SHARE, share->clientdata);
-  free (share);
-  
   return CURLSHE_OK;
 }
 
 
 CURLSHcode
 Curl_share_lock(struct SessionHandle *data, curl_lock_data type,
-                curl_lock_access access)
+                curl_lock_access accesstype)
 {
   struct Curl_share *share = data->share;
 
-  if (share == NULL)
+  if(share == NULL)
     return CURLSHE_INVALID;
 
   if(share->specifier & (1<<type)) {
-    share->lockfunc(data, type, access, share->clientdata);
+    if(share->lockfunc) /* only call this if set! */
+      share->lockfunc(data, type, accesstype, share->clientdata);
   }
   /* else if we don't share this, pretend successful lock */
 
@@ -198,11 +242,12 @@ Curl_share_unlock(struct SessionHandle *data, curl_lock_data type)
 {
   struct Curl_share *share = data->share;
 
-  if (share == NULL)
+  if(share == NULL)
     return CURLSHE_INVALID;
 
   if(share->specifier & (1<<type)) {
-    share->unlockfunc (data, type, share->clientdata);
+    if(share->unlockfunc) /* only call this if set! */
+      share->unlockfunc (data, type, share->clientdata);
   }
 
   return CURLSHE_OK;