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Merge pull request #7810

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8eb2b79 p2p: remove blocked addresses/hosts from peerlist (moneromooo-monero)
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luigi1111 2021-08-11 22:36:50 -04:00
commit 9f93fe1539
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5 changed files with 48 additions and 15 deletions
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3
contrib/epee/include/net/net_utils_base.h
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@ -236,6 +236,7 @@ namespace net_utils
virtual address_type get_type_id() const = 0;
virtual zone get_zone() const = 0;
virtual bool is_blockable() const = 0;
virtual std::uint16_t port() const = 0;
};
template<typename T>
@ -266,6 +267,7 @@ namespace net_utils
virtual address_type get_type_id() const override { return value.get_type_id(); }
virtual zone get_zone() const override { return value.get_zone(); }
virtual bool is_blockable() const override { return value.is_blockable(); }
virtual std::uint16_t port() const override { return value.port(); }
};
std::shared_ptr<interface> self;
@ -312,6 +314,7 @@ namespace net_utils
address_type get_type_id() const { return self ? self->get_type_id() : address_type::invalid; }
zone get_zone() const { return self ? self->get_zone() : zone::invalid; }
bool is_blockable() const { return self ? self->is_blockable() : false; }
std::uint16_t port() const { return self ? self->port() : 0; }
template<typename Type> const Type &as() const { return as_mutable<const Type>(); }
BEGIN_KV_SERIALIZE_MAP()

21
src/p2p/net_node.inl
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@ -269,9 +269,17 @@ namespace nodetool
peerlist_entry pe{};
pe.adr = addr;
zone.second.m_peerlist.remove_from_peer_white(pe);
zone.second.m_peerlist.remove_from_peer_gray(pe);
zone.second.m_peerlist.remove_from_peer_anchor(addr);
if (addr.port() == 0)
{
zone.second.m_peerlist.evict_host_from_peerlist(true, pe);
zone.second.m_peerlist.evict_host_from_peerlist(false, pe);
}
else
{
zone.second.m_peerlist.remove_from_peer_white(pe);
zone.second.m_peerlist.remove_from_peer_gray(pe);
zone.second.m_peerlist.remove_from_peer_anchor(addr);
}
for (const auto &c: conns)
zone.second.m_net_server.get_config_object().close(c);
@ -331,6 +339,13 @@ namespace nodetool
for (const auto &c: conns)
zone.second.m_net_server.get_config_object().close(c);
for (int i = 0; i < 2; ++i)
zone.second.m_peerlist.filter(i == 0, [&subnet](const peerlist_entry &pe){
if (pe.adr.get_type_id() != epee::net_utils::ipv4_network_address::get_type_id())
return false;
return subnet.matches(pe.adr.as<const epee::net_utils::ipv4_network_address>());
});
conns.clear();
}

12
src/p2p/net_peerlist.cpp
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@ -289,17 +289,9 @@ namespace nodetool
copy_peers(peers.anchor, m_peers_anchor.get<by_addr>());
}
void peerlist_manager::evict_host_from_white_peerlist(const peerlist_entry& pr)
void peerlist_manager::evict_host_from_peerlist(bool use_white, const peerlist_entry& pr)
{
peers_indexed::index<by_time>::type& sorted_index=m_peers_white.get<by_time>();
auto i = sorted_index.begin();
while (i != sorted_index.end())
{
if (i->adr.is_same_host(pr.adr))
i = sorted_index.erase(i);
else
++i;
}
filter(use_white, [&pr](const peerlist_entry& pe){ return pe.adr.is_same_host(pr.adr); });
}
}

26
src/p2p/net_peerlist.h
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@ -109,7 +109,7 @@ namespace nodetool
bool get_white_peer_by_index(peerlist_entry& p, size_t i);
bool get_gray_peer_by_index(peerlist_entry& p, size_t i);
template<typename F> bool foreach(bool white, const F &f);
void evict_host_from_white_peerlist(const peerlist_entry& pr);
void evict_host_from_peerlist(bool white, const peerlist_entry& pr);
bool append_with_peer_white(const peerlist_entry& pr);
bool append_with_peer_gray(const peerlist_entry& pr);
bool append_with_peer_anchor(const anchor_peerlist_entry& ple);
@ -120,6 +120,7 @@ namespace nodetool
bool get_and_empty_anchor_peerlist(std::vector<anchor_peerlist_entry>& apl);
bool remove_from_peer_anchor(const epee::net_utils::network_address& addr);
bool remove_from_peer_white(const peerlist_entry& pe);
template<typename F> size_t filter(bool white, const F &f); // f returns true: drop, false: keep
private:
struct by_time{};
@ -346,7 +347,7 @@ namespace nodetool
if(by_addr_it_wt == m_peers_white.get<by_addr>().end())
{
//put new record into white list
evict_host_from_white_peerlist(ple);
evict_host_from_peerlist(true, ple);
m_peers_white.insert(ple);
trim_white_peerlist();
}else
@ -519,5 +520,26 @@ namespace nodetool
CATCH_ENTRY_L0("peerlist_manager::remove_from_peer_anchor()", false);
}
//--------------------------------------------------------------------------------------------------
template<typename F> size_t peerlist_manager::filter(bool white, const F &f)
{
size_t filtered = 0;
TRY_ENTRY();
CRITICAL_REGION_LOCAL(m_peerlist_lock);
peers_indexed::index<by_addr>::type& sorted_index = white ? m_peers_gray.get<by_addr>() : m_peers_white.get<by_addr>();
auto i = sorted_index.begin();
while (i != sorted_index.end())
{
if (f(*i))
{
i = sorted_index.erase(i);
++filtered;
}
else
++i;
}
CATCH_ENTRY_L0("peerlist_manager::filter()", filtered);
return filtered;
}
//--------------------------------------------------------------------------------------------------
}

1
tests/unit_tests/epee_utils.cpp
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@ -1503,6 +1503,7 @@ TEST(NetUtils, NetworkAddress)
constexpr static epee::net_utils::address_type get_type_id() noexcept { return epee::net_utils::address_type(-1); }
constexpr static epee::net_utils::zone get_zone() noexcept { return epee::net_utils::zone::invalid; }
constexpr static bool is_blockable() noexcept { return false; }
constexpr static uint16_t port() { return 0; }
};
const epee::net_utils::network_address empty;