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handle incoming invalid piece messages sizes

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This commit is contained in:
Arvid Norberg
2011-04-28 08:55:27 +00:00
parent 58ea6f5b3c
commit 2ab17b7a51
1 changed files with 13 additions and 0 deletions
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13
src/bt_peer_connection.cpp
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@@ -1155,6 +1155,12 @@ namespace libtorrent
return;
}
if (packet_size() - 13 - list_size > t->block_size())
{
disconnect(errors::packet_too_large, 2);
return;
}
TORRENT_ASSERT(!has_disk_receive_buffer());
if (!allocate_disk_receive_buffer(packet_size() - 13 - list_size))
{
@@ -1168,6 +1174,13 @@ namespace libtorrent
if (recv_pos == 1)
{
TORRENT_ASSERT(!has_disk_receive_buffer());
if (packet_size() - 9 > t->block_size())
{
disconnect(errors::packet_too_large, 2);
return;
}
if (!allocate_disk_receive_buffer(packet_size() - 9))
{
m_statistics.received_bytes(0, received);