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applying Waterson's patch to bug 49108. r=neeti

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This commit is contained in:
neeti%netscape.com 2000-08-28 13:44:12 +00:00
parent 6e346e28be
commit 71e792567f
1 changed files with 12 additions and 0 deletions
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12
netwerk/cache/filecache/nsDiskCacheRecord.cpp vendored
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@ -423,6 +423,10 @@ nsDiskCacheRecord::RetrieveInfo(void* aInfo, PRUint32 aInfoLength)
COPY_INT32(&mKeyLength, cur_ptr) ;
cur_ptr += sizeof(PRUint32) ;
// poor man's attempt to detect corruption
if (mKeyLength > aInfoLength)
return NS_ERROR_FAILURE;
// set mKey
mKey = NS_STATIC_CAST(char*, nsMemory::Alloc(mKeyLength*sizeof(char))) ;
if(!mKey)
@ -439,6 +443,10 @@ nsDiskCacheRecord::RetrieveInfo(void* aInfo, PRUint32 aInfoLength)
COPY_INT32(&mMetaDataLength, cur_ptr) ;
cur_ptr += sizeof(PRUint32) ;
// poor man's attempt to detect corruption
if (mMetaDataLength > aInfoLength)
return NS_ERROR_FAILURE;
// set mMetaData
mMetaData = NS_STATIC_CAST(char*, nsMemory::Alloc(mMetaDataLength*sizeof(char))) ;
if(!mMetaData)
@ -451,6 +459,10 @@ nsDiskCacheRecord::RetrieveInfo(void* aInfo, PRUint32 aInfoLength)
COPY_INT32(&name_len, cur_ptr) ;
cur_ptr += sizeof(PRUint32) ;
// poor man's attempt to detect corruption
if (name_len > aInfoLength)
return NS_ERROR_FAILURE;
// get mFile native name
file_url = NS_STATIC_CAST(char*, nsMemory::Alloc(name_len*sizeof(char))) ;
if(!file_url)