diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/net.h | 2 | ||||
| -rw-r--r-- | src/net_permissions.cpp | 3 | ||||
| -rw-r--r-- | src/net_permissions.h | 4 | ||||
| -rw-r--r-- | src/net_processing.cpp | 7 | ||||
| -rw-r--r-- | src/test/fuzz/net_permissions.cpp | 1 | ||||
| -rw-r--r-- | src/test/netbase_tests.cpp | 3 |
6 files changed, 16 insertions, 4 deletions
@@ -258,7 +258,7 @@ public: /** * Cache is used to minimize topology leaks, so it should * be used for all non-trusted calls, for example, p2p. - * A non-malicious call (from RPC) should + * A non-malicious call (from RPC or a peer with addr permission) should * call the function without a parameter to avoid using the cache. */ std::vector<CAddress> GetAddresses(Network requestor_network); diff --git a/src/net_permissions.cpp b/src/net_permissions.cpp index a75838307c..53648deb40 100644 --- a/src/net_permissions.cpp +++ b/src/net_permissions.cpp @@ -15,6 +15,7 @@ const std::vector<std::string> NET_PERMISSIONS_DOC{ "relay (relay even in -blocksonly mode)", "mempool (allow requesting BIP35 mempool contents)", "download (allow getheaders during IBD, no disconnect after maxuploadtarget limit)", + "addr (responses to GETADDR avoid hitting the cache and contain random records with the most up-to-date info)" }; namespace { @@ -50,6 +51,7 @@ bool TryParsePermissionFlags(const std::string str, NetPermissionFlags& output, else if (permission == "download") NetPermissions::AddFlag(flags, PF_DOWNLOAD); else if (permission == "all") NetPermissions::AddFlag(flags, PF_ALL); else if (permission == "relay") NetPermissions::AddFlag(flags, PF_RELAY); + else if (permission == "addr") NetPermissions::AddFlag(flags, PF_ADDR); else if (permission.length() == 0); // Allow empty entries else { error = strprintf(_("Invalid P2P permission: '%s'"), permission); @@ -75,6 +77,7 @@ std::vector<std::string> NetPermissions::ToStrings(NetPermissionFlags flags) if (NetPermissions::HasFlag(flags, PF_RELAY)) strings.push_back("relay"); if (NetPermissions::HasFlag(flags, PF_MEMPOOL)) strings.push_back("mempool"); if (NetPermissions::HasFlag(flags, PF_DOWNLOAD)) strings.push_back("download"); + if (NetPermissions::HasFlag(flags, PF_ADDR)) strings.push_back("addr"); return strings; } diff --git a/src/net_permissions.h b/src/net_permissions.h index a9633ee2ae..5b68f635a7 100644 --- a/src/net_permissions.h +++ b/src/net_permissions.h @@ -29,10 +29,12 @@ enum NetPermissionFlags { PF_NOBAN = (1U << 4) | PF_DOWNLOAD, // Can query the mempool PF_MEMPOOL = (1U << 5), + // Can request addrs without hitting a privacy-preserving cache + PF_ADDR = (1U << 7), // True if the user did not specifically set fine grained permissions PF_ISIMPLICIT = (1U << 31), - PF_ALL = PF_BLOOMFILTER | PF_FORCERELAY | PF_RELAY | PF_NOBAN | PF_MEMPOOL | PF_DOWNLOAD, + PF_ALL = PF_BLOOMFILTER | PF_FORCERELAY | PF_RELAY | PF_NOBAN | PF_MEMPOOL | PF_DOWNLOAD | PF_ADDR, }; class NetPermissions diff --git a/src/net_processing.cpp b/src/net_processing.cpp index a9f6ed960f..90d3af8c2a 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -3477,7 +3477,12 @@ void ProcessMessage( pfrom.fSentAddr = true; pfrom.vAddrToSend.clear(); - std::vector<CAddress> vAddr = connman.GetAddresses(pfrom.addr.GetNetwork()); + std::vector<CAddress> vAddr; + if (pfrom.HasPermission(PF_ADDR)) { + vAddr = connman.GetAddresses(); + } else { + vAddr = connman.GetAddresses(pfrom.addr.GetNetwork()); + } FastRandomContext insecure_rand; for (const CAddress &addr : vAddr) { pfrom.PushAddress(addr, insecure_rand); diff --git a/src/test/fuzz/net_permissions.cpp b/src/test/fuzz/net_permissions.cpp index ae531f4462..8a674ac1e9 100644 --- a/src/test/fuzz/net_permissions.cpp +++ b/src/test/fuzz/net_permissions.cpp @@ -24,6 +24,7 @@ void test_one_input(const std::vector<uint8_t>& buffer) NetPermissionFlags::PF_FORCERELAY, NetPermissionFlags::PF_NOBAN, NetPermissionFlags::PF_MEMPOOL, + NetPermissionFlags::PF_ADDR, NetPermissionFlags::PF_ISIMPLICIT, NetPermissionFlags::PF_ALL, }) : diff --git a/src/test/netbase_tests.cpp b/src/test/netbase_tests.cpp index ea3e633cc2..072aa8d345 100644 --- a/src/test/netbase_tests.cpp +++ b/src/test/netbase_tests.cpp @@ -397,13 +397,14 @@ BOOST_AUTO_TEST_CASE(netpermissions_test) BOOST_CHECK(NetWhitelistPermissions::TryParse("bloom,forcerelay,noban,relay,mempool@1.2.3.4/32", whitelistPermissions, error)); const auto strings = NetPermissions::ToStrings(PF_ALL); - BOOST_CHECK_EQUAL(strings.size(), 6U); + BOOST_CHECK_EQUAL(strings.size(), 7U); BOOST_CHECK(std::find(strings.begin(), strings.end(), "bloomfilter") != strings.end()); BOOST_CHECK(std::find(strings.begin(), strings.end(), "forcerelay") != strings.end()); BOOST_CHECK(std::find(strings.begin(), strings.end(), "relay") != strings.end()); BOOST_CHECK(std::find(strings.begin(), strings.end(), "noban") != strings.end()); BOOST_CHECK(std::find(strings.begin(), strings.end(), "mempool") != strings.end()); BOOST_CHECK(std::find(strings.begin(), strings.end(), "download") != strings.end()); + BOOST_CHECK(std::find(strings.begin(), strings.end(), "addr") != strings.end()); } BOOST_AUTO_TEST_CASE(netbase_dont_resolve_strings_with_embedded_nul_characters) |