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Merge bitcoin/bitcoin#22834: net: respect -onlynet= when making outbound connections

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0eea83a85e scripted-diff: rename `proxyType` to `Proxy` (Vasil Dimov)
e53a8505db net: respect -onlynet= when making outbound connections (Vasil Dimov)

Pull request description:

  Do not make outbound connections to hosts which belong to a network
  which is restricted by `-onlynet`.

  This applies to hosts that are automatically chosen to connect to and to
  anchors.

  This does not apply to hosts given to `-connect`, `-addnode`,
  `addnode` RPC, dns seeds, `-seednode`.

  Fixes https://github.com/bitcoin/bitcoin/issues/13378
  Fixes https://github.com/bitcoin/bitcoin/issues/22647
  Supersedes https://github.com/bitcoin/bitcoin/pull/22651

ACKs for top commit:
  naumenkogs:
    utACK 0eea83a85e
  prayank23:
    reACK 0eea83a85e
  jonatack:
    ACK 0eea83a85e code review, rebased to master, debug built, and did some manual testing with various config options on signet

Tree-SHA512: 37d68b449dd6d2715843fc84d85f48fa2508be40ea105a7f4a28443b318d0b6bd39e3b2ca2a6186f2913836adf08d91038a8b142928e1282130f39ac81aa741b
This commit is contained in:
laanwj
2022-03-01 18:31:05 +01:00
parent 024b8e12a5 0eea83a85e
commit 848b11615b
14 changed files with 72 additions and 52 deletions
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16
src/netbase.h
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@@ -45,11 +45,11 @@ static inline bool operator&(ConnectionDirection a, ConnectionDirection b) {
return (underlying(a) & underlying(b));
}
class proxyType
class Proxy
{
public:
proxyType(): randomize_credentials(false) {}
explicit proxyType(const CService &_proxy, bool _randomize_credentials=false): proxy(_proxy), randomize_credentials(_randomize_credentials) {}
Proxy(): randomize_credentials(false) {}
explicit Proxy(const CService &_proxy, bool _randomize_credentials=false): proxy(_proxy), randomize_credentials(_randomize_credentials) {}
bool IsValid() const { return proxy.IsValid(); }
@@ -73,8 +73,8 @@ enum Network ParseNetwork(const std::string& net);
std::string GetNetworkName(enum Network net);
/** Return a vector of publicly routable Network names; optionally append NET_UNROUTABLE. */
std::vector<std::string> GetNetworkNames(bool append_unroutable = false);
bool SetProxy(enum Network net, const proxyType &addrProxy);
bool GetProxy(enum Network net, proxyType &proxyInfoOut);
bool SetProxy(enum Network net, const Proxy &addrProxy);
bool GetProxy(enum Network net, Proxy &proxyInfoOut);
bool IsProxy(const CNetAddr &addr);
/**
* Set the name proxy to use for all connections to nodes specified by a
@@ -92,9 +92,9 @@ bool IsProxy(const CNetAddr &addr);
* server in common use (most notably Tor) actually implements UDP
* support, and a DNS resolver is beyond the scope of this project.
*/
bool SetNameProxy(const proxyType &addrProxy);
bool SetNameProxy(const Proxy &addrProxy);
bool HaveNameProxy();
bool GetNameProxy(proxyType &nameProxyOut);
bool GetNameProxy(Proxy &nameProxyOut);
using DNSLookupFn = std::function<std::vector<CNetAddr>(const std::string&, bool)>;
extern DNSLookupFn g_dns_lookup;
@@ -219,7 +219,7 @@ bool ConnectSocketDirectly(const CService &addrConnect, const Sock& sock, int nT
*
* @returns Whether or not the operation succeeded.
*/
bool ConnectThroughProxy(const proxyType& proxy, const std::string& strDest, uint16_t port, const Sock& sock, int nTimeout, bool& outProxyConnectionFailed);
bool ConnectThroughProxy(const Proxy& proxy, const std::string& strDest, uint16_t port, const Sock& sock, int nTimeout, bool& outProxyConnectionFailed);
/** Disable or enable blocking-mode for a socket */
bool SetSocketNonBlocking(const SOCKET& hSocket, bool fNonBlocking);