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net: use transient I2P session for outbound if -i2pacceptincoming=0

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If not accepting I2P connections, then do not create
`CConnman::m_i2p_sam_session`.

When opening a new outbound I2P connection either use
`CConnman::m_i2p_sam_session` like before or create a temporary one and
store it in `CNode` for destruction later.
This commit is contained in:
Vasil Dimov
2022-06-08 17:59:32 +02:00
parent a1580a04f5
commit ae1e97ce86
2 changed files with 19 additions and 8 deletions
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24
src/net.cpp
View File

@@ -485,18 +485,27 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
Proxy proxy;
CAddress addr_bind;
assert(!addr_bind.IsValid());
std::unique_ptr<i2p::sam::Session> i2p_transient_session;
if (addrConnect.IsValid()) {
const bool use_proxy{GetProxy(addrConnect.GetNetwork(), proxy)};
bool proxyConnectionFailed = false;
if (addrConnect.GetNetwork() == NET_I2P && m_i2p_sam_session.get() != nullptr) {
if (addrConnect.GetNetwork() == NET_I2P && use_proxy) {
i2p::Connection conn;
if (m_i2p_sam_session->Connect(addrConnect, conn, proxyConnectionFailed)) {
connected = true;
if (m_i2p_sam_session) {
connected = m_i2p_sam_session->Connect(addrConnect, conn, proxyConnectionFailed);
} else {
i2p_transient_session = std::make_unique<i2p::sam::Session>(proxy.proxy, &interruptNet);
connected = i2p_transient_session->Connect(addrConnect, conn, proxyConnectionFailed);
}
if (connected) {
sock = std::move(conn.sock);
addr_bind = CAddress{conn.me, NODE_NONE};
}
} else if (GetProxy(addrConnect.GetNetwork(), proxy)) {
} else if (use_proxy) {
sock = CreateSock(proxy.proxy);
if (!sock) {
return nullptr;
@@ -547,7 +556,8 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
addr_bind,
pszDest ? pszDest : "",
conn_type,
/*inbound_onion=*/false);
/*inbound_onion=*/false,
std::move(i2p_transient_session));
pnode->AddRef();
// We're making a new connection, harvest entropy from the time (and our peer count)
@@ -2260,7 +2270,7 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
}
Proxy i2p_sam;
if (GetProxy(NET_I2P, i2p_sam)) {
if (GetProxy(NET_I2P, i2p_sam) && connOptions.m_i2p_accept_incoming) {
m_i2p_sam_session = std::make_unique<i2p::sam::Session>(gArgs.GetDataDirNet() / "i2p_private_key",
i2p_sam.proxy, &interruptNet);
}
@@ -2334,7 +2344,7 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
// Process messages
threadMessageHandler = std::thread(&util::TraceThread, "msghand", [this] { ThreadMessageHandler(); });
if (connOptions.m_i2p_accept_incoming && m_i2p_sam_session.get() != nullptr) {
if (m_i2p_sam_session) {
threadI2PAcceptIncoming =
std::thread(&util::TraceThread, "i2paccept", [this] { ThreadI2PAcceptIncoming(); });
}

3
src/net.h
View File

@@ -1090,7 +1090,8 @@ private:
/**
* I2P SAM session.
* Used to accept incoming and make outgoing I2P connections.
* Used to accept incoming and make outgoing I2P connections from a persistent
* address.
*/
std::unique_ptr<i2p::sam::Session> m_i2p_sam_session;