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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2019-04-11 21:57:51 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2019-04-11 21:59:27 +0000 |
| commit | 5858598604c511ff57a434196d27acf2f49cf23f (patch) | |
| tree | 413bc4617ed03a2e86610cfeeda004dfabd2b783 /src/p2p | |
| parent | Merge pull request #5386 (diff) | |
| download | monero-5858598604c511ff57a434196d27acf2f49cf23f.tar.xz | |
p2p: fix integer overflow in host bans
Diffstat (limited to 'src/p2p')
| -rw-r--r-- | src/p2p/net_node.inl | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/p2p/net_node.inl b/src/p2p/net_node.inl index f0aef384f..0c89c8f4b 100644 --- a/src/p2p/net_node.inl +++ b/src/p2p/net_node.inl @@ -176,8 +176,15 @@ namespace nodetool if(!addr.is_blockable()) return false; + const time_t now = time(nullptr); + CRITICAL_REGION_LOCAL(m_blocked_hosts_lock); - m_blocked_hosts[addr.host_str()] = time(nullptr) + seconds; + time_t limit; + if (now > std::numeric_limits<time_t>::max() - seconds) + limit = std::numeric_limits<time_t>::max(); + else + limit = now + seconds; + m_blocked_hosts[addr.host_str()] = limit; // drop any connection to that address. This should only have to look into // the zone related to the connection, but really make sure everything is |