diff options
Diffstat (limited to 'extra/icedtea-web-java7/fix_firefox_crash.diff')
-rw-r--r-- | extra/icedtea-web-java7/fix_firefox_crash.diff | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/extra/icedtea-web-java7/fix_firefox_crash.diff b/extra/icedtea-web-java7/fix_firefox_crash.diff deleted file mode 100644 index cd02aba0a..000000000 --- a/extra/icedtea-web-java7/fix_firefox_crash.diff +++ /dev/null @@ -1,228 +0,0 @@ - -# HG changeset patch -# User Adam Domurad <adomurad@redhat.com> -# Date 1340899207 14400 -# Node ID a49edd57b1b332b431222b1c225189fe51676193 -# Parent d65bd94e0ba9b7c8b9051c7d471b55c2c74ea3f4 -Fixes invalid plugin table error that sometimes occurs. -The invalid plugin table error was happening when the API that was -being compiled with had a larger size than that of the browser. -The plugin now only checks if the minimal subset it uses exists. - -diff -r d65bd94e0ba9 -r a49edd57b1b3 plugin/icedteanp/IcedTeaNPPlugin.cc ---- a/plugin/icedteanp/IcedTeaNPPlugin.cc Fri Jun 08 13:44:25 2012 -0400 -+++ b/plugin/icedteanp/IcedTeaNPPlugin.cc Thu Jun 28 12:00:07 2012 -0400 -@@ -2022,105 +2022,48 @@ - PLUGIN_DEBUG ("plugin_data_destroy return\n"); - } - --// FACTORY FUNCTIONS -- --// Provides the browser with pointers to the plugin functions that we --// implement and initializes a local table with browser functions that --// we may wish to call. Called once, after browser startup and before --// the first plugin instance is created. --// The field 'initialized' is set to true once this function has --// finished. If 'initialized' is already true at the beginning of --// this function, then it is evident that NP_Initialize has already --// been called. There is no need to call this function more than once and --// this workaround avoids any duplicate calls. --NPError --NP_Initialize (NPNetscapeFuncs* browserTable, NPPluginFuncs* pluginTable) -+static bool -+initialize_browser_functions(const NPNetscapeFuncs* browserTable) - { -- PLUGIN_DEBUG ("NP_Initialize\n"); -- -- if ((browserTable == NULL) || (pluginTable == NULL)) -+#if MOZILLA_VERSION_COLLAPSED < 1090100 -+#define NPNETSCAPEFUNCS_LAST_FIELD_USED (browserTable->pluginthreadasynccall) -+#else -+#define NPNETSCAPEFUNCS_LAST_FIELD_USED (browserTable->setvalueforurl) -+#endif -+ -+ //Determine the size in bytes, as a difference of the address past the last used field -+ //And the browser table address -+ size_t usedSize = (char*)(1 + &NPNETSCAPEFUNCS_LAST_FIELD_USED) - (char*)browserTable; -+ -+ // compare the reported size versus the size we required -+ if (browserTable->size < usedSize) - { -- PLUGIN_ERROR ("Browser or plugin function table is NULL."); -- -- return NPERR_INVALID_FUNCTABLE_ERROR; -+ return false; - } - -- // Ensure that the major version of the plugin API that the browser -- // expects is not more recent than the major version of the API that -- // we've implemented. -- if ((browserTable->version >> 8) > NP_VERSION_MAJOR) -- { -- PLUGIN_ERROR ("Incompatible version."); -- -- return NPERR_INCOMPATIBLE_VERSION_ERROR; -- } -- -- // Ensure that the plugin function table we've received is large -- // enough to store the number of functions that we may provide. -- if (pluginTable->size < sizeof (NPPluginFuncs)) -- { -- PLUGIN_ERROR ("Invalid plugin function table."); -- -- return NPERR_INVALID_FUNCTABLE_ERROR; -- } -- -- // Ensure that the browser function table is large enough to store -- // the number of browser functions that we may use. -- if (browserTable->size < sizeof (NPNetscapeFuncs)) -- { -- fprintf (stderr, "ERROR: Invalid browser function table. Some functionality may be restricted.\n"); -- } -- -- // Store in a local table the browser functions that we may use. -- browser_functions.size = browserTable->size; -- browser_functions.version = browserTable->version; -- browser_functions.geturlnotify = browserTable->geturlnotify; -- browser_functions.geturl = browserTable->geturl; -- browser_functions.posturlnotify = browserTable->posturlnotify; -- browser_functions.posturl = browserTable->posturl; -- browser_functions.requestread = browserTable->requestread; -- browser_functions.newstream = browserTable->newstream; -- browser_functions.write = browserTable->write; -- browser_functions.destroystream = browserTable->destroystream; -- browser_functions.status = browserTable->status; -- browser_functions.uagent = browserTable->uagent; -- browser_functions.memalloc = browserTable->memalloc; -- browser_functions.memfree = browserTable->memfree; -- browser_functions.memflush = browserTable->memflush; -- browser_functions.reloadplugins = browserTable->reloadplugins; -- browser_functions.getJavaEnv = browserTable->getJavaEnv; -- browser_functions.getJavaPeer = browserTable->getJavaPeer; -- browser_functions.getvalue = browserTable->getvalue; -- browser_functions.setvalue = browserTable->setvalue; -- browser_functions.invalidaterect = browserTable->invalidaterect; -- browser_functions.invalidateregion = browserTable->invalidateregion; -- browser_functions.forceredraw = browserTable->forceredraw; -- browser_functions.getstringidentifier = browserTable->getstringidentifier; -- browser_functions.getstringidentifiers = browserTable->getstringidentifiers; -- browser_functions.getintidentifier = browserTable->getintidentifier; -- browser_functions.identifierisstring = browserTable->identifierisstring; -- browser_functions.utf8fromidentifier = browserTable->utf8fromidentifier; -- browser_functions.intfromidentifier = browserTable->intfromidentifier; -- browser_functions.createobject = browserTable->createobject; -- browser_functions.retainobject = browserTable->retainobject; -- browser_functions.releaseobject = browserTable->releaseobject; -- browser_functions.invoke = browserTable->invoke; -- browser_functions.invokeDefault = browserTable->invokeDefault; -- browser_functions.evaluate = browserTable->evaluate; -- browser_functions.getproperty = browserTable->getproperty; -- browser_functions.setproperty = browserTable->setproperty; -- browser_functions.removeproperty = browserTable->removeproperty; -- browser_functions.hasproperty = browserTable->hasproperty; -- browser_functions.hasmethod = browserTable->hasmethod; -- browser_functions.releasevariantvalue = browserTable->releasevariantvalue; -- browser_functions.setexception = browserTable->setexception; -- browser_functions.pluginthreadasynccall = browserTable->pluginthreadasynccall; --#if MOZILLA_VERSION_COLLAPSED >= 1090100 -- browser_functions.getvalueforurl = browserTable->getvalueforurl; -- browser_functions.setvalueforurl = browserTable->setvalueforurl; --#endif -- -- // Return to the browser the plugin functions that we implement. -+ //Ensure any unused fields are NULL -+ memset(&browser_functions, 0, sizeof(NPNetscapeFuncs)); -+ //Copy fields according to given size -+ memcpy(&browser_functions, browserTable, browserTable->size); -+ -+ return true; -+} -+ -+/* Set the plugin table to the correct contents, taking care not to write past -+ * the provided object space */ -+static bool -+initialize_plugin_table(NPPluginFuncs* pluginTable) -+{ -+#define NPPLUGINFUNCS_LAST_FIELD_USED (pluginTable->getvalue) -+ -+ //Determine the size in bytes, as a difference of the address past the last used field -+ //And the browser table address -+ size_t usedSize = (char*)(1 + &NPPLUGINFUNCS_LAST_FIELD_USED) - (char*)pluginTable; -+ -+ // compare the reported size versus the size we required -+ if (pluginTable->size < usedSize) -+ return false; -+ - pluginTable->version = (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR; - pluginTable->size = sizeof (NPPluginFuncs); - -@@ -2150,6 +2093,68 @@ - pluginTable->getvalue = NPP_GetValueProcPtr (ITNP_GetValue); - #endif - -+ return true; -+} -+ -+// FACTORY FUNCTIONS -+ -+// Provides the browser with pointers to the plugin functions that we -+// implement and initializes a local table with browser functions that -+// we may wish to call. Called once, after browser startup and before -+// the first plugin instance is created. -+// The field 'initialized' is set to true once this function has -+// finished. If 'initialized' is already true at the beginning of -+// this function, then it is evident that NP_Initialize has already -+// been called. There is no need to call this function more than once and -+// this workaround avoids any duplicate calls. -+NPError -+NP_Initialize (NPNetscapeFuncs* browserTable, NPPluginFuncs* pluginTable) -+{ -+ PLUGIN_DEBUG ("NP_Initialize\n"); -+ -+ if ((browserTable == NULL) || (pluginTable == NULL)) -+ { -+ PLUGIN_ERROR ("Browser or plugin function table is NULL."); -+ -+ return NPERR_INVALID_FUNCTABLE_ERROR; -+ } -+ -+ // Ensure that the major version of the plugin API that the browser -+ // expects is not more recent than the major version of the API that -+ // we've implemented. -+ if ((browserTable->version >> 8) > NP_VERSION_MAJOR) -+ { -+ PLUGIN_ERROR ("Incompatible version."); -+ -+ return NPERR_INCOMPATIBLE_VERSION_ERROR; -+ } -+ -+ // Copy into a global table (browser_functions) the browser functions that we may use. -+ // If the browser functions needed change, update NPNETSCAPEFUNCS_LAST_FIELD_USED -+ // within this function -+ bool browser_functions_supported = initialize_browser_functions(browserTable); -+ -+ // Check if everything we rely on is supported -+ if ( !browser_functions_supported ) -+ { -+ PLUGIN_ERROR ("Invalid browser function table."); -+ -+ return NPERR_INVALID_FUNCTABLE_ERROR; -+ } -+ -+ // Return to the browser the plugin functions that we implement. -+ // If the plugin functions needed change, update NPPLUGINFUNCS_LAST_FIELD_USED -+ // within this function -+ bool plugin_functions_supported = initialize_plugin_table(pluginTable); -+ -+ // Check if everything we rely on is supported -+ if ( !plugin_functions_supported ) -+ { -+ PLUGIN_ERROR ("Invalid plugin function table."); -+ -+ return NPERR_INVALID_FUNCTABLE_ERROR; -+ } -+ - // Re-setting the above tables multiple times is OK (as the - // browser may change its function locations). However - // anything beyond this point should only run once. - |