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gecko-dev
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Fixing 69736, adding npp->pdata check before calling NPP_* functions, sr=jst

This commit is contained in:
av%netscape.com 2001-03-02 00:29:33 +00:00
Родитель e93b9c7b20
Коммит 9c86c6c83e
2 изменённых файлов: 318 добавлений и 260 удалений
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289
modules/plugin/base/src/ns4xPluginInstance.cpp
Просмотреть файл

@ -107,60 +107,67 @@ NS_IMPL_ISUPPORTS(ns4xPluginStreamListener, kIPluginStreamListenerIID);
NS_IMETHODIMP
ns4xPluginStreamListener::OnStartBinding(nsIPluginStreamInfo* pluginInfo)
{
if(!mInst)
return NS_ERROR_FAILURE;
NPP npp;
const NPPluginFuncs *callbacks;
PRBool seekable;
nsMIMEType contentType;
PRUint16 streamType = NP_NORMAL;
NPError error;
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mNPStream.ndata = (void*) this;
pluginInfo->GetURL(&mNPStream.url);
mNPStream.notifyData = mNotifyData;
pluginInfo->GetLength((PRUint32*)&(mNPStream.end));
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
pluginInfo->IsSeekable(&seekable);
pluginInfo->GetContentType(&contentType);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
PRBool seekable;
nsMIMEType contentType;
PRUint16 streamType = NP_NORMAL;
NPError error;
// if we don't know the end of the stream, use 0 instead of -1. bug 59571
if (mNPStream.end == -1)
mNPStream.ndata = (void*) this;
pluginInfo->GetURL(&mNPStream.url);
mNPStream.notifyData = mNotifyData;
pluginInfo->GetLength((PRUint32*)&(mNPStream.end));
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
pluginInfo->IsSeekable(&seekable);
pluginInfo->GetContentType(&contentType);
PRLibrary* lib = mInst->fLibrary;
// if we don't know the end of the stream, use 0 instead of -1. bug 59571
if (mNPStream.end == -1)
mNPStream.end = 0;
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_NewStreamProc(callbacks->newstream,
npp,
(char *)contentType,
&mNPStream,
seekable,
&streamType), lib);
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_NewStreamProc(callbacks->newstream,
npp,
(char *)contentType,
&mNPStream,
seekable,
&streamType), lib);
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
// translate the old 4x style stream type to the new one
switch(streamType)
{
case NP_NORMAL : mStreamType = nsPluginStreamType_Normal; break;
// translate the old 4x style stream type to the new one
switch(streamType)
{
case NP_NORMAL:
mStreamType = nsPluginStreamType_Normal;
break;
case NP_ASFILEONLY:
mStreamType = nsPluginStreamType_AsFileOnly;
break;
case NP_ASFILE:
mStreamType = nsPluginStreamType_AsFile;
break;
case NP_SEEK:
mStreamType = nsPluginStreamType_Seek;
break;
default:
return NS_ERROR_FAILURE;
}
case NP_ASFILEONLY : mStreamType = nsPluginStreamType_AsFileOnly;
break;
case NP_ASFILE : mStreamType = nsPluginStreamType_AsFile; break;
case NP_SEEK : mStreamType = nsPluginStreamType_Seek; break;
default: return NS_ERROR_FAILURE;
}
return NS_OK;
return NS_OK;
}
NS_IMETHODIMP
@ -168,8 +175,18 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
nsIInputStream* input,
PRUint32 length)
{
const NPPluginFuncs *callbacks;
NPP npp;
if(!mInst)
return NS_ERROR_FAILURE;
const NPPluginFuncs *callbacks = nsnull;
NPP npp;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRUint32 numtowrite = 0;
PRUint32 amountRead = 0;
PRInt32 writeCount = 0;
@ -177,13 +194,10 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->write == NULL || length == 0)
if (callbacks->write == nsnull || length == 0)
return NS_OK; // XXX ?
// Get the data from the input stream
// Get the data from the input stream
char* buffer = (char*) PR_Malloc(length);
if (buffer)
input->Read(buffer, length, &amountRead);
@ -196,20 +210,21 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
{
if (callbacks->writeready != NULL)
{
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
if (started)
{
NS_TRY_SAFE_CALL_RETURN(numtowrite, CallNPP_WriteReadyProc(callbacks->writeready,
npp,
&mNPStream), lib);
}
if (started)
{
NS_TRY_SAFE_CALL_RETURN(numtowrite, CallNPP_WriteReadyProc(callbacks->writeready,
npp,
&mNPStream), lib);
}
// if WriteReady returned 0, the plugin is not ready to handle
// the data, return FAILURE for now
if(numtowrite <= 0)
@ -219,24 +234,25 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
numtowrite = amountRead;
}
else
{
// if WriteReady is not supported by the plugin,
// just write the whole buffer
numtowrite = length;
}
if(numtowrite > 0)
{
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
PRLibrary* lib = mInst->fLibrary;
NS_TRY_SAFE_CALL_RETURN(writeCount, CallNPP_WriteProc(callbacks->write,
npp,
&mNPStream,
mPosition,
numtowrite,
(void *)buffer), lib);
npp,
&mNPStream,
mPosition,
numtowrite,
(void *)buffer), lib);
if(writeCount < 0)
return NS_ERROR_FAILURE;
return NS_ERROR_FAILURE;
amountRead -= numtowrite;
mPosition += numtowrite;
}
@ -249,55 +265,70 @@ NS_IMETHODIMP
ns4xPluginStreamListener::OnFileAvailable(nsIPluginStreamInfo* pluginInfo,
const char* fileName)
{
const NPPluginFuncs *callbacks;
NPP npp;
if(!mInst)
return NS_ERROR_FAILURE;
pluginInfo->GetURL(&mNPStream.url);
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->asfile == NULL)
return NS_OK;
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
pluginInfo->GetURL(&mNPStream.url);
if (started)
{
NS_TRY_SAFE_CALL_VOID(CallNPP_StreamAsFileProc(callbacks->asfile,
npp,
&mNPStream,
fileName), lib);
}
if (callbacks->asfile == NULL)
return NS_OK;
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
if (started)
{
NS_TRY_SAFE_CALL_VOID(CallNPP_StreamAsFileProc(callbacks->asfile,
npp,
&mNPStream,
fileName), lib);
}
return NS_OK;
}
NS_IMETHODIMP
ns4xPluginStreamListener::OnStopBinding(nsIPluginStreamInfo* pluginInfo,
nsresult status)
{
const NPPluginFuncs *callbacks;
NPP npp;
NPError error;
if(!mInst)
return NS_ERROR_FAILURE;
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->destroystream != NULL)
{
// XXX need to convert status to NPReason
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
NPError error;
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
if (callbacks->destroystream != NULL)
{
// XXX need to convert status to NPReason
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
@ -305,31 +336,28 @@ ns4xPluginStreamListener::OnStopBinding(nsIPluginStreamInfo* pluginInfo,
if (started)
{
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_DestroyStreamProc(callbacks->destroystream,
npp,
&mNPStream,
NPRES_DONE), lib);
}
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
npp,
&mNPStream,
NPRES_DONE), lib);
}
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
}
// check to see if we have a call back
if (callbacks->urlnotify != NULL && mNotifyData != nsnull)
{
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
// check to see if we have a call back
if (callbacks->urlnotify != NULL && mNotifyData != nsnull)
{
PRLibrary* lib = nsnull;
lib = mInst->fLibrary;
NS_TRY_SAFE_CALL_VOID(CallNPP_URLNotifyProc(callbacks->urlnotify,
npp,
mNPStream.url,
nsPluginReason_Done,
mNotifyData), lib);
}
NS_TRY_SAFE_CALL_VOID(CallNPP_URLNotifyProc(callbacks->urlnotify,
npp,
mNPStream.url,
nsPluginReason_Done,
mNotifyData), lib);
}
return NS_OK;
return NS_OK;
}
NS_IMETHODIMP
@ -463,11 +491,9 @@ nsresult ns4xPluginInstance::InitializePlugin(nsIPluginInstancePeer* peer)
nsCOMPtr<nsIPluginTagInfo> taginfo = do_QueryInterface(mPeer, &rv);
if (NS_SUCCEEDED(rv))
{
taginfo->GetAttributes(count, names, values);
}
if (fCallbacks->newp == NULL)
if (fCallbacks->newp == nsnull)
return NS_ERROR_FAILURE; // XXX right error?
// XXX Note that the NPPluginType_* enums were crafted to be
@ -504,6 +530,9 @@ NS_IMETHODIMP ns4xPluginInstance::Destroy(void)
NS_IMETHODIMP ns4xPluginInstance::SetWindow(nsPluginWindow* window)
{
if (fNPP.pdata == nsnull)
return NS_ERROR_FAILURE;
#ifdef MOZ_WIDGET_GTK
NPSetWindowCallbackStruct *ws;
#endif

289
modules/plugin/nglsrc/ns4xPluginInstance.cpp
Просмотреть файл

@ -107,60 +107,67 @@ NS_IMPL_ISUPPORTS(ns4xPluginStreamListener, kIPluginStreamListenerIID);
NS_IMETHODIMP
ns4xPluginStreamListener::OnStartBinding(nsIPluginStreamInfo* pluginInfo)
{
if(!mInst)
return NS_ERROR_FAILURE;
NPP npp;
const NPPluginFuncs *callbacks;
PRBool seekable;
nsMIMEType contentType;
PRUint16 streamType = NP_NORMAL;
NPError error;
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mNPStream.ndata = (void*) this;
pluginInfo->GetURL(&mNPStream.url);
mNPStream.notifyData = mNotifyData;
pluginInfo->GetLength((PRUint32*)&(mNPStream.end));
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
pluginInfo->IsSeekable(&seekable);
pluginInfo->GetContentType(&contentType);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
PRBool seekable;
nsMIMEType contentType;
PRUint16 streamType = NP_NORMAL;
NPError error;
// if we don't know the end of the stream, use 0 instead of -1. bug 59571
if (mNPStream.end == -1)
mNPStream.ndata = (void*) this;
pluginInfo->GetURL(&mNPStream.url);
mNPStream.notifyData = mNotifyData;
pluginInfo->GetLength((PRUint32*)&(mNPStream.end));
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
pluginInfo->IsSeekable(&seekable);
pluginInfo->GetContentType(&contentType);
PRLibrary* lib = mInst->fLibrary;
// if we don't know the end of the stream, use 0 instead of -1. bug 59571
if (mNPStream.end == -1)
mNPStream.end = 0;
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_NewStreamProc(callbacks->newstream,
npp,
(char *)contentType,
&mNPStream,
seekable,
&streamType), lib);
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_NewStreamProc(callbacks->newstream,
npp,
(char *)contentType,
&mNPStream,
seekable,
&streamType), lib);
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
// translate the old 4x style stream type to the new one
switch(streamType)
{
case NP_NORMAL : mStreamType = nsPluginStreamType_Normal; break;
// translate the old 4x style stream type to the new one
switch(streamType)
{
case NP_NORMAL:
mStreamType = nsPluginStreamType_Normal;
break;
case NP_ASFILEONLY:
mStreamType = nsPluginStreamType_AsFileOnly;
break;
case NP_ASFILE:
mStreamType = nsPluginStreamType_AsFile;
break;
case NP_SEEK:
mStreamType = nsPluginStreamType_Seek;
break;
default:
return NS_ERROR_FAILURE;
}
case NP_ASFILEONLY : mStreamType = nsPluginStreamType_AsFileOnly;
break;
case NP_ASFILE : mStreamType = nsPluginStreamType_AsFile; break;
case NP_SEEK : mStreamType = nsPluginStreamType_Seek; break;
default: return NS_ERROR_FAILURE;
}
return NS_OK;
return NS_OK;
}
NS_IMETHODIMP
@ -168,8 +175,18 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
nsIInputStream* input,
PRUint32 length)
{
const NPPluginFuncs *callbacks;
NPP npp;
if(!mInst)
return NS_ERROR_FAILURE;
const NPPluginFuncs *callbacks = nsnull;
NPP npp;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRUint32 numtowrite = 0;
PRUint32 amountRead = 0;
PRInt32 writeCount = 0;
@ -177,13 +194,10 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->write == NULL || length == 0)
if (callbacks->write == nsnull || length == 0)
return NS_OK; // XXX ?
// Get the data from the input stream
// Get the data from the input stream
char* buffer = (char*) PR_Malloc(length);
if (buffer)
input->Read(buffer, length, &amountRead);
@ -196,20 +210,21 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
{
if (callbacks->writeready != NULL)
{
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
if (started)
{
NS_TRY_SAFE_CALL_RETURN(numtowrite, CallNPP_WriteReadyProc(callbacks->writeready,
npp,
&mNPStream), lib);
}
if (started)
{
NS_TRY_SAFE_CALL_RETURN(numtowrite, CallNPP_WriteReadyProc(callbacks->writeready,
npp,
&mNPStream), lib);
}
// if WriteReady returned 0, the plugin is not ready to handle
// the data, return FAILURE for now
if(numtowrite <= 0)
@ -219,24 +234,25 @@ ns4xPluginStreamListener::OnDataAvailable(nsIPluginStreamInfo* pluginInfo,
numtowrite = amountRead;
}
else
{
// if WriteReady is not supported by the plugin,
// just write the whole buffer
numtowrite = length;
}
if(numtowrite > 0)
{
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
PRLibrary* lib = mInst->fLibrary;
NS_TRY_SAFE_CALL_RETURN(writeCount, CallNPP_WriteProc(callbacks->write,
npp,
&mNPStream,
mPosition,
numtowrite,
(void *)buffer), lib);
npp,
&mNPStream,
mPosition,
numtowrite,
(void *)buffer), lib);
if(writeCount < 0)
return NS_ERROR_FAILURE;
return NS_ERROR_FAILURE;
amountRead -= numtowrite;
mPosition += numtowrite;
}
@ -249,55 +265,70 @@ NS_IMETHODIMP
ns4xPluginStreamListener::OnFileAvailable(nsIPluginStreamInfo* pluginInfo,
const char* fileName)
{
const NPPluginFuncs *callbacks;
NPP npp;
if(!mInst)
return NS_ERROR_FAILURE;
pluginInfo->GetURL(&mNPStream.url);
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->asfile == NULL)
return NS_OK;
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
pluginInfo->GetURL(&mNPStream.url);
if (started)
{
NS_TRY_SAFE_CALL_VOID(CallNPP_StreamAsFileProc(callbacks->asfile,
npp,
&mNPStream,
fileName), lib);
}
if (callbacks->asfile == NULL)
return NS_OK;
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
if (started)
{
NS_TRY_SAFE_CALL_VOID(CallNPP_StreamAsFileProc(callbacks->asfile,
npp,
&mNPStream,
fileName), lib);
}
return NS_OK;
}
NS_IMETHODIMP
ns4xPluginStreamListener::OnStopBinding(nsIPluginStreamInfo* pluginInfo,
nsresult status)
{
const NPPluginFuncs *callbacks;
NPP npp;
NPError error;
if(!mInst)
return NS_ERROR_FAILURE;
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
NPP npp;
const NPPluginFuncs *callbacks = nsnull;
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
mInst->GetCallbacks(&callbacks);
mInst->GetNPP(&npp);
if (callbacks->destroystream != NULL)
{
// XXX need to convert status to NPReason
if(!callbacks || !npp->pdata)
return NS_ERROR_FAILURE;
NPError error;
pluginInfo->GetURL(&mNPStream.url);
pluginInfo->GetLastModified((PRUint32*)&(mNPStream.lastmodified));
if (callbacks->destroystream != NULL)
{
// XXX need to convert status to NPReason
PRLibrary* lib = nsnull;
PRBool started = PR_FALSE;
if(mInst) {
if(mInst)
{
lib = mInst->fLibrary;
started = mInst->IsStarted();
}
@ -305,31 +336,28 @@ ns4xPluginStreamListener::OnStopBinding(nsIPluginStreamInfo* pluginInfo,
if (started)
{
NS_TRY_SAFE_CALL_RETURN(error, CallNPP_DestroyStreamProc(callbacks->destroystream,
npp,
&mNPStream,
NPRES_DONE), lib);
}
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
npp,
&mNPStream,
NPRES_DONE), lib);
}
if(error != NPERR_NO_ERROR)
return NS_ERROR_FAILURE;
}
// check to see if we have a call back
if (callbacks->urlnotify != NULL && mNotifyData != nsnull)
{
PRLibrary* lib = nsnull;
if(mInst)
lib = mInst->fLibrary;
// check to see if we have a call back
if (callbacks->urlnotify != NULL && mNotifyData != nsnull)
{
PRLibrary* lib = nsnull;
lib = mInst->fLibrary;
NS_TRY_SAFE_CALL_VOID(CallNPP_URLNotifyProc(callbacks->urlnotify,
npp,
mNPStream.url,
nsPluginReason_Done,
mNotifyData), lib);
}
NS_TRY_SAFE_CALL_VOID(CallNPP_URLNotifyProc(callbacks->urlnotify,
npp,
mNPStream.url,
nsPluginReason_Done,
mNotifyData), lib);
}
return NS_OK;
return NS_OK;
}
NS_IMETHODIMP
@ -463,11 +491,9 @@ nsresult ns4xPluginInstance::InitializePlugin(nsIPluginInstancePeer* peer)
nsCOMPtr<nsIPluginTagInfo> taginfo = do_QueryInterface(mPeer, &rv);
if (NS_SUCCEEDED(rv))
{
taginfo->GetAttributes(count, names, values);
}
if (fCallbacks->newp == NULL)
if (fCallbacks->newp == nsnull)
return NS_ERROR_FAILURE; // XXX right error?
// XXX Note that the NPPluginType_* enums were crafted to be
@ -504,6 +530,9 @@ NS_IMETHODIMP ns4xPluginInstance::Destroy(void)
NS_IMETHODIMP ns4xPluginInstance::SetWindow(nsPluginWindow* window)
{
if (fNPP.pdata == nsnull)
return NS_ERROR_FAILURE;
#ifdef MOZ_WIDGET_GTK
NPSetWindowCallbackStruct *ws;
#endif