/*
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* Copyright (C) 2008 Collabora Ltd. All rights reserved.
* Copyright (C) 2008 Nuanti Ltd.
* Copyright (C) 2008 Novell Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PluginPackage.h"
#include "CString.h"
#include "MIMETypeRegistry.h"
#include "NotImplemented.h"
#include "npruntime_impl.h"
#include "PluginDebug.h"
namespace WebCore {
static PlatformModuleVersion getModuleVersion(const char *description)
{
// It's a bit lame to detect the plugin version by parsing it
// from the plugin description string, but it doesn't seem that
// version information is available in any standardized way at
// the module level, like in Windows
PlatformModuleVersion version = 0;
if (!description)
return 0;
if (g_str_has_prefix(description, "Shockwave Flash ") && strlen(description) >= 19) {
// The flash version as a PlatformModuleVersion differs in GTK from Windows
// since the revision can be larger than a 8 bits, so we allow it 16 here and
// push the major/minor up 8 bits. Thus in GTK, Flash's version may be
// 0x0a000000 instead of 0x000a0000. This avoids having to modify
// PlatformModuleVersion in the GTK port
char **version_parts = g_strsplit(description + 16, " ", -1);
if (!version_parts)
return 0;
int parts_length = g_strv_length(version_parts);
if (parts_length >= 1) {
guint16 major = 0, minor = 0;
if (sscanf(version_parts[0], "%" G_GUINT16_FORMAT ".%" G_GUINT16_FORMAT, &major, &minor) == 2)
version = ((guint8)major << 24) | ((guint8)minor << 16);
}
if (parts_length >= 2) {
char *rev_str = version_parts[1];
if (strlen(rev_str) > 1 && (rev_str[0] == 'r' || rev_str[0] == 'b'))
version |= (guint16)atoi(rev_str + 1);
}
g_strfreev(version_parts);
}
return version;
}
bool PluginPackage::fetchInfo()
{
#if defined(XP_UNIX)
if (!load())
return false;
NP_GetMIMEDescriptionFuncPtr NP_GetMIMEDescription = 0;
NPP_GetValueProcPtr NPP_GetValue = 0;
g_module_symbol(m_module, "NP_GetMIMEDescription", (void**)&NP_GetMIMEDescription);
g_module_symbol(m_module, "NP_GetValue", (void**)&NPP_GetValue);
if (!NP_GetMIMEDescription || !NPP_GetValue)
return false;
char* buffer = 0;
NPError err = NPP_GetValue(0, NPPVpluginNameString, &buffer);
if (err == NPERR_NO_ERROR)
m_name = buffer;
buffer = 0;
err = NPP_GetValue(0, NPPVpluginDescriptionString, &buffer);
if (err == NPERR_NO_ERROR) {
m_description = buffer;
determineModuleVersionFromDescription();
}
const gchar* types = NP_GetMIMEDescription();
gchar** mimeDescs = g_strsplit(types, ";", -1);
for (int i = 0; mimeDescs[i] && mimeDescs[i][0]; i++) {
gchar** mimeData = g_strsplit(mimeDescs[i], ":", 3);
if (g_strv_length(mimeData) < 3) {
g_strfreev(mimeData);
continue;
}
String description = String::fromUTF8(mimeData[2]);
gchar** extensions = g_strsplit(mimeData[1], ",", -1);
Vector<String> extVector;
for (int j = 0; extensions[j]; j++)
extVector.append(String::fromUTF8(extensions[j]));
determineQuirks(mimeData[0]);
m_mimeToExtensions.add(mimeData[0], extVector);
m_mimeToDescriptions.add(mimeData[0], description);
g_strfreev(extensions);
g_strfreev(mimeData);
}
g_strfreev(mimeDescs);
return true;
#else
notImplemented();
return false;
#endif
}
bool PluginPackage::load()
{
if (m_isLoaded) {
m_loadCount++;
return true;
}
m_module = g_module_open((m_path.utf8()).data(), G_MODULE_BIND_LOCAL);
if (!m_module) {
LOG(Plugin,"Module Load Failed :%s, Error:%s\n", (m_path.utf8()).data(), g_module_error());
return false;
}
m_isLoaded = true;
NP_InitializeFuncPtr NP_Initialize = 0;
m_NPP_Shutdown = 0;
NPError npErr;
g_module_symbol(m_module, "NP_Initialize", (void**)&NP_Initialize);
g_module_symbol(m_module, "NP_Shutdown", (void**)&m_NPP_Shutdown);
if (!NP_Initialize || !m_NPP_Shutdown)
goto abort;
memset(&m_pluginFuncs, 0, sizeof(m_pluginFuncs));
m_pluginFuncs.size = sizeof(m_pluginFuncs);
memset(&m_browserFuncs, 0, sizeof(m_browserFuncs));
m_browserFuncs.size = sizeof (m_browserFuncs);
m_browserFuncs.version = NP_VERSION_MINOR;
m_browserFuncs.geturl = NPN_GetURL;
m_browserFuncs.posturl = NPN_PostURL;
m_browserFuncs.requestread = NPN_RequestRead;
m_browserFuncs.newstream = NPN_NewStream;
m_browserFuncs.write = NPN_Write;
m_browserFuncs.destroystream = NPN_DestroyStream;
m_browserFuncs.status = NPN_Status;
m_browserFuncs.uagent = NPN_UserAgent;
m_browserFuncs.memalloc = NPN_MemAlloc;
m_browserFuncs.memfree = NPN_MemFree;
m_browserFuncs.memflush = NPN_MemFlush;
m_browserFuncs.reloadplugins = NPN_ReloadPlugins;
m_browserFuncs.geturlnotify = NPN_GetURLNotify;
m_browserFuncs.posturlnotify = NPN_PostURLNotify;
m_browserFuncs.getvalue = NPN_GetValue;
m_browserFuncs.setvalue = NPN_SetValue;
m_browserFuncs.invalidaterect = NPN_InvalidateRect;
m_browserFuncs.invalidateregion = NPN_InvalidateRegion;
m_browserFuncs.forceredraw = NPN_ForceRedraw;
m_browserFuncs.getJavaEnv = NPN_GetJavaEnv;
m_browserFuncs.getJavaPeer = NPN_GetJavaPeer;
m_browserFuncs.pushpopupsenabledstate = NPN_PushPopupsEnabledState;
m_browserFuncs.poppopupsenabledstate = NPN_PopPopupsEnabledState;
m_browserFuncs.pluginthreadasynccall = NPN_PluginThreadAsyncCall;
m_browserFuncs.releasevariantvalue = _NPN_ReleaseVariantValue;
m_browserFuncs.getstringidentifier = _NPN_GetStringIdentifier;
m_browserFuncs.getstringidentifiers = _NPN_GetStringIdentifiers;
m_browserFuncs.getintidentifier = _NPN_GetIntIdentifier;
m_browserFuncs.identifierisstring = _NPN_IdentifierIsString;
m_browserFuncs.utf8fromidentifier = _NPN_UTF8FromIdentifier;
m_browserFuncs.intfromidentifier = _NPN_IntFromIdentifier;
m_browserFuncs.createobject = _NPN_CreateObject;
m_browserFuncs.retainobject = _NPN_RetainObject;
m_browserFuncs.releaseobject = _NPN_ReleaseObject;
m_browserFuncs.invoke = _NPN_Invoke;
m_browserFuncs.invokeDefault = _NPN_InvokeDefault;
m_browserFuncs.evaluate = _NPN_Evaluate;
m_browserFuncs.getproperty = _NPN_GetProperty;
m_browserFuncs.setproperty = _NPN_SetProperty;
m_browserFuncs.removeproperty = _NPN_RemoveProperty;
m_browserFuncs.hasproperty = _NPN_HasMethod;
m_browserFuncs.hasmethod = _NPN_HasProperty;
m_browserFuncs.setexception = _NPN_SetException;
m_browserFuncs.enumerate = _NPN_Enumerate;
m_browserFuncs.construct = _NPN_Construct;
#if defined(XP_UNIX)
npErr = NP_Initialize(&m_browserFuncs, &m_pluginFuncs);
#else
npErr = NP_Initialize(&m_browserFuncs);
#endif
if (npErr != NPERR_NO_ERROR)
goto abort;
m_loadCount++;
return true;
abort:
unloadWithoutShutdown();
return false;
}
unsigned PluginPackage::hash() const
{
unsigned hashCodes[2] = {
m_path.impl()->hash(),
m_lastModified
};
return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), 2 * sizeof(unsigned) / sizeof(UChar));
}
bool PluginPackage::equal(const PluginPackage& a, const PluginPackage& b)
{
return a.m_description == b.m_description;
}
int PluginPackage::compareFileVersion(const PlatformModuleVersion& compareVersion) const
{
// return -1, 0, or 1 if plug-in version is less than, equal to, or greater than
// the passed version
if (m_moduleVersion != compareVersion)
return m_moduleVersion > compareVersion ? 1 : -1;
return 0;
}
}