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This commit is contained in:
Arvid Norberg
2004-01-03 03:22:53 +00:00
parent 3033f16f47
commit 97b387b196
6 changed files with 157 additions and 28 deletions
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12
src/session.cpp
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@@ -894,12 +894,16 @@ namespace libtorrent
const std::vector<char>& data = *rd;
if (data.size() < 3 * 4) return;
if (data.size() < 20 + 3 * 4) return;
std::vector<char>::const_iterator ptr = data.begin();
sha1_hash info_hash;
for (int i = 0; i < 20; ++i) info_hash[i] = read_uchar(ptr);
if (info.info_hash() != info_hash) return;
int num_slots = detail::read_int(ptr);
if (num_slots < 0) return;
if (data.size() < (3 + num_slots) * 4) return;
if (data.size() < 20 + (3 + num_slots) * 4) return;
tmp_pieces.reserve(num_slots);
for (int i = 0; i < num_slots; ++i)
@@ -911,12 +915,12 @@ namespace libtorrent
}
int num_blocks_per_piece = read_int(ptr);
if (num_blocks_per_piece > 128 || num_blocks_per_piece < 0)
if (num_blocks_per_piece > 128 || num_blocks_per_piece < 1)
return;
int num_unfinished = read_int(ptr);
if (num_unfinished < 0) return;
if (data.size() != (1 + num_slots + 2 + num_unfinished * (num_blocks_per_piece / 32 + 1)) * 4)
if (data.size() != 20 + (1 + num_slots + 2 + num_unfinished * (num_blocks_per_piece / 32 + 1)) * 4)
return;
tmp_unfinished.reserve(num_unfinished);