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fix: 4.0.0-beta.1 crash when updating blocklist (#4011)

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SweetPPro 2022-11-03 01:41:05 +11:00 committed by GitHub
parent 64b5fde8b2
commit 94eeae203b
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1 changed files with 27 additions and 13 deletions
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40
libtransmission/blocklist.cc
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@ -445,9 +445,32 @@ size_t BlocklistFile::setContent(char const* filename)
return {};
}
size_t keep = 0; // index in ranges
//separate before sorting
auto ipv4_ranges = std::vector<AddressRange>{};
auto ipv6_ranges = std::vector<AddressRange>{};
std::sort(std::begin(ranges), std::end(ranges), BlocklistFile::compareAddressRangesByFirstAddress);
for (auto const& range : ranges)
{
if (range.begin_ == 0 && range.end_ == 0)
{
// IPv6
ipv6_ranges.emplace_back(range);
}
else
{
ipv4_ranges.emplace_back(range);
}
}
std::sort(std::begin(ipv4_ranges), std::end(ipv4_ranges), BlocklistFile::compareAddressRangesByFirstAddress);
std::sort(std::begin(ipv6_ranges), std::end(ipv6_ranges), BlocklistFile::compareAddressRangesByFirstAddress);
// combine sorted
ranges.clear();
ranges.insert(ranges.end(), ipv4_ranges.begin(), ipv4_ranges.end());
ranges.insert(ranges.end(), ipv6_ranges.begin(), ipv6_ranges.end());
size_t keep = 0; // index in ranges
// merge
for (auto const& range : ranges)
@ -574,16 +597,7 @@ void BlocklistFile::assertValidRules(std::vector<AddressRange> const& ranges)
}
}
for (size_t i = 1; i < std::size(ranges_ipv4); ++i)
{
TR_ASSERT(ranges_ipv4[i - 1].end_ < ranges_ipv4[i].begin_);
}
for (size_t i = 1; i < std::size(ranges_ipv6); ++i)
{
auto const& last_end_address = ranges_ipv6[i - 1].end6_;
auto const& start_address = ranges_ipv6[i].begin6_;
TR_ASSERT(memcmp(&last_end_address, &start_address, sizeof(start_address)) > 0);
}
TR_ASSERT(is_sorted(std::begin(ranges_ipv4), std::end(ranges_ipv4), BlocklistFile::compareAddressRangesByFirstAddress));
TR_ASSERT(is_sorted(std::begin(ranges_ipv6), std::end(ranges_ipv6), BlocklistFile::compareAddressRangesByFirstAddress));
}
#endif