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      1 /*
      2  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
      3  * Copyright (C) 2008 Collabora Ltd. All rights reserved.
      4  * Copyright (C) 2008 Nuanti Ltd.
      5  * Copyright (C) 2008 Novell Inc. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "PluginPackage.h"
     31 
     32 #include <stdio.h>
     33 
     34 #include "CString.h"
     35 #include "MIMETypeRegistry.h"
     36 #include "NotImplemented.h"
     37 #include "npruntime_impl.h"
     38 #include "PluginDebug.h"
     39 
     40 namespace WebCore {
     41 
     42 bool PluginPackage::fetchInfo()
     43 {
     44 #if defined(XP_UNIX)
     45     if (!load())
     46         return false;
     47 
     48     NP_GetMIMEDescriptionFuncPtr NP_GetMIMEDescription = 0;
     49     NPP_GetValueProcPtr NPP_GetValue = 0;
     50 
     51     g_module_symbol(m_module, "NP_GetMIMEDescription", (void**)&NP_GetMIMEDescription);
     52     g_module_symbol(m_module, "NP_GetValue", (void**)&NPP_GetValue);
     53 
     54     if (!NP_GetMIMEDescription || !NPP_GetValue)
     55         return false;
     56 
     57     char* buffer = 0;
     58     NPError err = NPP_GetValue(0, NPPVpluginNameString, &buffer);
     59     if (err == NPERR_NO_ERROR)
     60         m_name = buffer;
     61 
     62     buffer = 0;
     63     err = NPP_GetValue(0, NPPVpluginDescriptionString, &buffer);
     64     if (err == NPERR_NO_ERROR) {
     65         m_description = buffer;
     66         determineModuleVersionFromDescription();
     67     }
     68 
     69     const gchar* types = NP_GetMIMEDescription();
     70     gchar** mimeDescs = g_strsplit(types, ";", -1);
     71     for (int i = 0; mimeDescs[i] && mimeDescs[i][0]; i++) {
     72         gchar** mimeData = g_strsplit(mimeDescs[i], ":", 3);
     73         if (g_strv_length(mimeData) < 3) {
     74             g_strfreev(mimeData);
     75             continue;
     76         }
     77 
     78         String description = String::fromUTF8(mimeData[2]);
     79         gchar** extensions = g_strsplit(mimeData[1], ",", -1);
     80 
     81         Vector<String> extVector;
     82         for (int j = 0; extensions[j]; j++)
     83             extVector.append(String::fromUTF8(extensions[j]));
     84 
     85         determineQuirks(mimeData[0]);
     86         m_mimeToExtensions.add(mimeData[0], extVector);
     87         m_mimeToDescriptions.add(mimeData[0], description);
     88 
     89         g_strfreev(extensions);
     90         g_strfreev(mimeData);
     91     }
     92     g_strfreev(mimeDescs);
     93 
     94     return true;
     95 #else
     96     notImplemented();
     97     return false;
     98 #endif
     99 }
    100 
    101 bool PluginPackage::load()
    102 {
    103     if (m_isLoaded) {
    104         m_loadCount++;
    105         return true;
    106     }
    107 
    108     m_module = g_module_open((m_path.utf8()).data(), G_MODULE_BIND_LOCAL);
    109 
    110     if (!m_module) {
    111         LOG(Plugins,"Module Load Failed :%s, Error:%s\n", (m_path.utf8()).data(), g_module_error());
    112         return false;
    113     }
    114 
    115     m_isLoaded = true;
    116 
    117     NP_InitializeFuncPtr NP_Initialize = 0;
    118     m_NPP_Shutdown = 0;
    119 
    120     NPError npErr;
    121 
    122     g_module_symbol(m_module, "NP_Initialize", (void**)&NP_Initialize);
    123     g_module_symbol(m_module, "NP_Shutdown", (void**)&m_NPP_Shutdown);
    124 
    125     if (!NP_Initialize || !m_NPP_Shutdown)
    126         goto abort;
    127 
    128     memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
    129     m_pluginFuncs.size = sizeof(m_pluginFuncs);
    130 
    131     initializeBrowserFuncs();
    132 
    133 #if defined(XP_UNIX)
    134     npErr = NP_Initialize(&m_browserFuncs, &m_pluginFuncs);
    135 #else
    136     npErr = NP_Initialize(&m_browserFuncs);
    137 #endif
    138     if (npErr != NPERR_NO_ERROR)
    139         goto abort;
    140 
    141     m_loadCount++;
    142     return true;
    143 
    144 abort:
    145     unloadWithoutShutdown();
    146     return false;
    147 }
    148 
    149 }
    150