publicWagsHome/KasmVNC
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use size_t for lengths in stream objects

Browse Source 
Provides safety against them accidentally becoming negative because
of bugs in the calculations.

Also does the same to CharArray and friends as they were strongly
connection to the stream objects.
This commit is contained in:
Pierre Ossman
2019-09-23 11:00:17 +02:00
committed by Lauri Kasanen
parent 346fccb96c
commit 259f1055cb
31 changed files with 180 additions and 178 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
common/rdr/TLSInStream.cxx
View File

@@ -75,12 +75,12 @@ TLSInStream::~TLSInStream()
delete[] start;
}
int TLSInStream::pos()
size_t TLSInStream::pos()
{
return offset + ptr - start;
}
int TLSInStream::overrun(int itemSize, int nItems, bool wait)
size_t TLSInStream::overrun(size_t itemSize, size_t nItems, bool wait)
{
if (itemSize > bufSize)
throw Exception("TLSInStream overrun: max itemSize exceeded");
@@ -93,19 +93,19 @@ int TLSInStream::overrun(int itemSize, int nItems, bool wait)
ptr = start;
while (end < start + itemSize) {
int n = readTLS((U8*) end, start + bufSize - end, wait);
size_t n = readTLS((U8*) end, start + bufSize - end, wait);
if (!wait && n == 0)
return 0;
end += n;
}
if (itemSize * nItems > end - ptr)
if (itemSize * nItems > (size_t)(end - ptr))
nItems = (end - ptr) / itemSize;
return nItems;
}
int TLSInStream::readTLS(U8* buf, int len, bool wait)
size_t TLSInStream::readTLS(U8* buf, size_t len, bool wait)
{
int n;