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relay: fix websocket decompression when output buffer is not large enough

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This commit is contained in:
Sébastien Helleu
2024-02-04 18:23:40 +01:00
parent 162dc87796
commit b7ecf93a22
1 changed files with 6 additions and 2 deletions
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src/plugins/relay/relay-websocket.c
+6 -2
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@@ -497,14 +497,18 @@ relay_websocket_inflate (const void *data, size_t size, z_stream *strm,
while (1)
{
rc = inflate (strm, Z_SYNC_FLUSH);
if ((rc == Z_STREAM_END) || (rc == Z_OK))
if (((rc == Z_STREAM_END) || (rc == Z_OK))
&& (strm->avail_in == 0))
{
/* data successfully decompressed */
*size_decompressed = strm->total_out;
break;
}
else if (rc == Z_BUF_ERROR)
if ((rc == Z_BUF_ERROR)
|| (((rc == Z_STREAM_END) || (rc == Z_OK))
&& (strm->avail_in > 0)))
{
/* output buffer is not large enough */
strm->avail_out += dest_size;
dest_size *= 2;
dest2 = realloc (dest, dest_size);