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Ava Chow ec74f45741
Merge bitcoin/bitcoin#30245: net: Allow -proxy=[::1] on nodes with IPV6 lo only 
23333b7ed2 net: Allow DNS lookups on nodes with IPV6 lo only (Max Edwards)

Pull request description:

  This is similar to (but does not fix) https://github.com/bitcoin/bitcoin/issues/13155 which I believe is the same issue but in libevent.

  The issue is on a host that has IPV6 enabled but only a loopback IP address `-proxy=[::1]` will fail as `[::1]` is not considered valid by `getaddrinfo` with `AI_ADDRCONFIG` flag. I think the loopback interface should be considered valid and we have a functional test that will try to test this: `feature_proxy.py`.

  To replicate the issue, run `feature_proxy.py` inside a docker container that has IPV6 loopback ::1 address without specifically giving that container an external IPV6 address. This should be the default with recent versions of docker. IPV6 on loopback interface was enabled in docker engine 26 and later ([https://docs.docker.com/engine/release-notes/26.0/#bug-fixes-and-enhancements-2](https://docs.docker.com/engine/release-notes/26.0/#bug-fixes-and-enhancements-2)).

  `AI_ADDRCONFIG` was introduced to prevent slow DNS lookups on systems that were IPV4 only.

  References:

  Man section on `AI_ADDRCONFIG`:

  ```
  If hints.ai_flags includes the AI_ADDRCONFIG flag, then IPv4 addresses are returned in the list pointed to by res only if the local system has at least one IPv4 address configured, and  IPv6  addresses
         are  returned only if the local system has at least one IPv6 address configured.  The loopback address is not considered for this case as valid as a configured address.  This flag is useful on, for ex‐
         ample, IPv4-only systems, to ensure that getaddrinfo() does not return IPv6 socket addresses that would always fail in connect(2) or bind(2).
  ```

  [AI_ADDRCONFIG considered harmful Wiki entry by Fedora](https://fedoraproject.org/wiki/QA/Networking/NameResolution/ADDRCONFIG)

  [Mozilla discussing slow DNS without AI_ADDRCONFIG and also localhost issues with it](https://bugzilla.mozilla.org/show_bug.cgi?id=467497)

ACKs for top commit:
  achow101:
    ACK 23333b7ed2
  tdb3:
    ACK 23333b7ed2
  pinheadmz:
    ACK 23333b7ed2

Tree-SHA512: 5ecd8c72d1e1c28e3ebff07346381d74eaddef98dca830f6d3dbf098380562fa68847d053c0d84cc8ed19a45148ceb5fb244e4820cf63dccb10ab3db53175020
2024-07-18 17:51:16 -04:00
..
bench Merge bitcoin/bitcoin#28923: script/sign: avoid duplicated signature verification after signing (+introduce signing benchmarks) 2024-07-16 16:19:07 -04:00
common random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
compat netbase: refactor CreateSock() to accept sa_family_t 2024-03-01 13:13:07 -05:00
config
consensus refactor: Rename CTransaction::nVersion to version 2024-06-07 13:55:23 -04:00
crc32c Update crc32c subtree to latest upstream master 2024-02-27 18:28:19 +00:00
crypto Merge bitcoin/bitcoin#28893: Fix SSE4.1-related issues 2024-07-17 16:58:54 +01:00
index tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
init Introduce Mining interface 2024-06-18 18:47:51 +02:00
interfaces refactor: pass BlockCreateOptions to createNewBlock 2024-07-16 10:27:57 +02:00
ipc multiprocess: Add type conversion code for UniValue types 2023-11-28 12:35:50 -05:00
kernel Merge bitcoin/bitcoin#30406: refactor: modernize-use-equals-default 2024-07-11 19:08:46 +01:00
leveldb Update leveldb-subtree subtree to latest upstream 2024-06-13 13:17:57 +01:00
logging Use steady clock for logging timer 2023-01-31 18:48:50 +01:00
minisketch Update minisketch subtree to latest master 2024-06-12 14:38:39 +01:00
node refactor: add coinbase constraints to BlockCreateOptions 2024-07-17 18:33:15 +02:00
policy tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
primitives tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
qt Merge bitcoin-core/gui#827: OptionsDialog: Prefer to stretch actual options area rather than waste space 2024-07-15 12:15:09 +01:00
rpc Merge bitcoin/bitcoin#30356: refactor: add coinbase constraints to BlockAssembler::Options 2024-07-18 10:45:36 -04:00
script Merge bitcoin/bitcoin#28923: script/sign: avoid duplicated signature verification after signing (+introduce signing benchmarks) 2024-07-16 16:19:07 -04:00
secp256k1 Update secp256k1 subtree to latest master 2024-06-25 15:01:00 +01:00
support tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
test Merge bitcoin/bitcoin#28263: Add fuzz test for FSChaCha20Poly1305, AEADChacha20Poly1305 2024-07-16 12:13:02 +01:00
univalue test: Fix MSVC warning C4101 "unreferenced local variable" 2024-07-16 22:40:25 +01:00
util Merge bitcoin/bitcoin#30406: refactor: modernize-use-equals-default 2024-07-11 19:08:46 +01:00
wallet Merge bitcoin/bitcoin#29523: Wallet: Add max_tx_weight to transaction funding options (take 2) 2024-07-17 18:27:59 -04:00
zmq tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
.bear-tidy-config tidy: modernize-use-emplace 2023-10-12 11:27:19 +02:00
.clang-format refactor: Print verbose serialize compiler error messages 2023-12-15 15:20:54 +01:00
.clang-tidy Merge bitcoin/bitcoin#30234: Enable clang-tidy checks for self-assignment 2024-07-11 19:21:05 +01:00
addrdb.cpp random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
addrdb.h Use serialization parameters for CAddress serialization 2023-09-05 10:13:25 +02:00
addresstype.cpp Add PubKeyDestination for P2PK scripts 2023-09-12 12:14:31 -04:00
addresstype.h bugfix: Mark CNoDestination and PubKeyDestination constructor explicit 2023-10-25 22:46:55 +02:00
addrman.cpp random: add RandomMixin::randbits with compile-known bits 2024-07-01 10:26:46 -04:00
addrman.h doc, test: Test and explain service flag handling 2024-01-15 16:19:53 -05:00
addrman_impl.h Remove timedata 2024-04-10 17:01:27 +02:00
arith_uint256.cpp refactor: Remove unused and fragile string interface from arith_uint256 2023-11-21 17:37:25 +01:00
arith_uint256.h Merge bitcoin/bitcoin#30234: Enable clang-tidy checks for self-assignment 2024-07-11 19:21:05 +01:00
attributes.h Introduce platform-agnostic ALWAYS_INLINE macro 2023-05-04 20:57:51 +01:00
banman.cpp Merge bitcoin/bitcoin#24097: Replace RecursiveMutex m_cs_banned with Mutex, and rename it 2023-11-02 14:09:27 -04:00
banman.h net_processing: remove Misbehavior score and increments 2024-05-30 08:35:18 -04:00
base58.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
base58.h scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
bech32.cpp Reduce memory copying operations in bech32 encode 2024-06-05 13:18:13 +02:00
bech32.h refactor: Model the bech32 charlimit as an Enum 2024-05-13 12:07:47 +02:00
bip324.cpp net: merge V2Transport constructors, move key gen 2023-09-10 16:11:52 -04:00
bip324.h net: merge V2Transport constructors, move key gen 2023-09-10 16:11:52 -04:00
bitcoin-chainstate.cpp kernel: De-globalize signature cache 2024-07-05 09:03:04 +02:00
bitcoin-cli-res.rc
bitcoin-cli.cpp Merge bitcoin/bitcoin#29015: kernel: Streamline util library 2024-06-12 17:12:54 -04:00
bitcoin-tx-res.rc
bitcoin-tx.cpp Merge bitcoin/bitcoin#29015: kernel: Streamline util library 2024-06-12 17:12:54 -04:00
bitcoin-util-res.rc
bitcoin-util.cpp scripted-diff: Add IWYU pragma keep to bitcoin-config.h includes 2024-05-01 08:33:04 +02:00
bitcoin-wallet-res.rc
bitcoin-wallet.cpp Merge bitcoin/bitcoin#29015: kernel: Streamline util library 2024-06-12 17:12:54 -04:00
bitcoind-res.rc
bitcoind.cpp refactor: remove warnings globals 2024-06-13 11:20:49 +01:00
blockencodings.cpp test: Make blockencodings_tests deterministic 2024-06-19 22:56:30 +01:00
blockencodings.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
blockfilter.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
blockfilter.h Remove unused includes from blockfilter.h 2023-08-17 18:28:15 +02:00
chain.cpp scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
chain.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
chainparams.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
chainparams.h test: Throw error when -signetchallenge is non-hex 2023-05-25 19:24:05 +02:00
chainparamsbase.cpp refactor: Use ChainType enum exhaustively 2023-05-10 10:39:58 +02:00
chainparamsbase.h refactor: Use ChainType enum exhaustively 2023-05-10 10:39:58 +02:00
chainparamsseeds.h seeds: Update testnet seeds 2024-03-04 19:53:30 -05:00
checkqueue.h refactor: Make CCheckQueue non-copyable and non-movable explicitly 2023-10-03 10:52:17 +01:00
clientversion.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
clientversion.h scripted-diff: Add IWYU pragma keep to bitcoin-config.h includes 2024-05-01 08:33:04 +02:00
coins.cpp log: use error level for critical log messages 2024-06-10 13:46:56 +02:00
coins.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
compressor.cpp Clean up things that include script/standard.h 2023-08-14 17:38:27 -04:00
compressor.h refactor: Rename CTransaction::nVersion to version 2024-06-07 13:55:23 -04:00
core_io.h Remove deprecated -rpcserialversion 2023-12-11 18:22:13 +01:00
core_memusage.h
core_read.cpp refactor: Mark some static global vars as const 2024-07-08 21:19:23 +02:00
core_write.cpp refactor: Rename CTransaction::nVersion to version 2024-06-07 13:55:23 -04:00
cuckoocache.h validation: Don't error if maxsigcachesize exceeds uint32::max 2024-07-04 22:35:29 +02:00
dbwrapper.cpp dbwrapper: Use DataStream for batch operations 2023-09-12 12:07:39 +02:00
dbwrapper.h dbwrapper: Use DataStream for batch operations 2023-09-12 12:07:39 +02:00
deploymentinfo.cpp Decouple RegTestChainParams from ArgsManager 2023-03-15 16:42:42 +01:00
deploymentinfo.h Decouple RegTestChainParams from ArgsManager 2023-03-15 16:42:42 +01:00
deploymentstatus.cpp scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
deploymentstatus.h scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
dummywallet.cpp wallet, test: Be able to always swap BDB endianness 2024-05-16 15:03:13 -04:00
external_signer.cpp external_signer: replace boost::process with cpp-subprocess 2024-03-27 14:16:37 +00:00
external_signer.h refactor: Move system from util to common library 2023-05-20 12:08:13 +02:00
flatfile.cpp scripted-diff: Replace error() with LogError() 2024-03-11 13:49:37 +01:00
flatfile.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
hash.cpp crypto, hash: replace custom rotl32 with std::rotl 2024-01-05 17:12:38 +01:00
hash.h Include version.h in fewer places 2023-11-16 11:36:22 +10:00
headerssync.cpp random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
headerssync.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
httprpc.cpp Merge bitcoin/bitcoin#28167: init: Add option for rpccookie permissions (replace 26088) 2024-06-27 17:35:08 -04:00
httprpc.h
httpserver.cpp rest: don't copy data when sending binary response 2024-06-26 06:47:30 +03:00
httpserver.h Merge bitcoin/bitcoin#30406: refactor: modernize-use-equals-default 2024-07-11 19:08:46 +01:00
i2p.cpp Merge bitcoin/bitcoin#29833: i2p: fix and improve logs 2024-06-26 15:28:26 -04:00
i2p.h i2p: log errors properly according to their severity 2024-06-12 16:19:50 -03:00
indirectmap.h
init.cpp Merge bitcoin/bitcoin#22729: Make it possible to disable Tor binds and abort startup on bind failure 2024-07-16 16:27:24 -04:00
init.h Get rid of shutdown.cpp/shutdown.h, use SignalInterrupt directly 2023-12-04 15:39:15 -04:00
key.cpp refactor: remove unused CKey::Negate method 2024-06-03 16:59:43 +02:00
key.h refactor: add self-assign checks to classes which violate the clang-tidy check 2024-06-14 10:27:03 +00:00
key_io.cpp refactor: Allow std::span construction from CKey 2024-01-16 15:29:18 +01:00
key_io.h Clean up things that include script/standard.h 2023-08-14 17:38:27 -04:00
logging.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
logging.h util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
Makefile.am Merge bitcoin/bitcoin#28893: Fix SSE4.1-related issues 2024-07-17 16:58:54 +01:00
Makefile.bench.include Merge bitcoin/bitcoin#28923: script/sign: avoid duplicated signature verification after signing (+introduce signing benchmarks) 2024-07-16 16:19:07 -04:00
Makefile.crc32c.include
Makefile.leveldb.include
Makefile.minisketch.include build: remove minisketch clz check 2024-04-12 14:28:34 +02:00
Makefile.qt.include build, test, doc: Temporarily remove Android-related stuff 2024-05-06 11:29:14 +01:00
Makefile.qt_locale.include qt: 27.0 translations update 2024-03-04 10:02:26 +00:00
Makefile.qttest.include
Makefile.test.include Add fuzz test for AEADChacha20Poly1305 2024-07-15 18:25:59 +05:30
Makefile.test_fuzz.include fuzz: move MockedDescriptorConverter to fuzz/util 2023-11-20 15:57:50 -03:00
Makefile.test_util.include random: move XoRoShiRo128PlusPlus into random module 2024-07-01 10:26:46 -04:00
Makefile.univalue.include
mapport.cpp upnp: add compatibility for miniupnpc 2.2.8 2024-06-18 12:24:48 +00:00
mapport.h Remove configure-time setting of DEFAULT_UPNP 2023-01-28 15:24:13 +00:00
memusage.h add std::list to memusage 2023-09-13 11:37:45 +01:00
merkleblock.cpp [clang-tidy] Enable the misc-no-recursion check 2024-04-07 14:04:45 +01:00
merkleblock.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
net.cpp Merge bitcoin/bitcoin#22729: Make it possible to disable Tor binds and abort startup on bind failure 2024-07-16 16:27:24 -04:00
net.h Merge bitcoin/bitcoin#30394: net: fix race condition in self-connect detection 2024-07-16 09:40:53 +01:00
net_permissions.cpp util: move fees.h and error.h to common/messages.h 2024-05-16 10:16:08 -05:00
net_permissions.h Accept "in" and "out" flags to -whitelist to allow whitelisting manual connections 2024-02-28 10:05:56 -03:00
net_processing.cpp Merge bitcoin/bitcoin#30394: net: fix race condition in self-connect detection 2024-07-16 09:40:53 +01:00
net_processing.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
net_types.cpp rpc: avoid copying into UniValue 2024-05-20 16:48:19 +00:00
net_types.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
netaddress.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
netaddress.h random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
netbase.cpp Merge bitcoin/bitcoin#30245: net: Allow -proxy=[::1] on nodes with IPV6 lo only 2024-07-18 17:51:16 -04:00
netbase.h netbase: extend CreateSock() to support creating arbitrary sockets 2024-06-14 14:23:50 +02:00
netgroup.cpp Merge bitcoin/bitcoin#27581: net: Continuous ASMap health check 2023-12-06 11:22:42 -05:00
netgroup.h net: Add continuous ASMap health check logging 2023-12-02 22:03:08 +01:00
netmessagemaker.h refactor: NetMsg::Make() without nVersion 2023-11-20 14:02:27 +01:00
noui.cpp node: Use log levels in noui_ThreadSafeMessageBox 2024-03-21 16:41:16 +01:00
noui.h
outputtype.cpp fix incorrect multisig redeem script size limit for segwit 2024-05-03 14:20:44 -03:00
outputtype.h fix incorrect multisig redeem script size limit for segwit 2024-05-03 14:20:44 -03:00
pow.cpp scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
pow.h scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
prevector.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
protocol.cpp protocol: make message types constexpr 2024-02-28 18:03:23 +01:00
protocol.h Merge bitcoin/bitcoin#29421: net: make the list of known message types a compile time constant 2024-05-21 13:59:33 -04:00
psbt.cpp util: add TransactionError includes and namespace declarations 2024-05-16 10:16:08 -05:00
psbt.h Merge bitcoin/bitcoin#30406: refactor: modernize-use-equals-default 2024-07-11 19:08:46 +01:00
pubkey.cpp crypto: add NUMS_H const 2024-05-14 10:24:31 +02:00
pubkey.h crypto: add NUMS_H const 2024-05-14 10:24:31 +02:00
random.cpp random: replace construct/assign with explicit Reseed() 2024-07-01 12:39:57 -04:00
random.h random: drop ad-hoc Shuffle in favor of std::shuffle 2024-07-06 09:06:36 -04:00
randomenv.cpp util: Use SteadyClock in RandAddSeedPerfmon 2024-07-01 17:40:35 +02:00
randomenv.h
rest.cpp refactor: Use util::Split to avoid a harmless unsigned-integer-overflow 2024-07-17 12:22:28 +02:00
rest.h
reverse_iterator.h doc: remove usages of C++11 2023-01-12 13:42:44 +00:00
scheduler.cpp scripted-diff: Rename SingleThreadedSchedulerClient to SerialTaskRunner 2024-02-15 14:43:14 +01:00
scheduler.h kernel: Remove dependency on CScheduler 2024-02-16 17:12:52 +01:00
serialize.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
signet.cpp refactor: Rename CTransaction::nVersion to version 2024-06-07 13:55:23 -04:00
signet.h
span.h Allow int8_t optimized vector serialization 2023-12-22 09:58:19 +01:00
streams.cpp Add AutoFile::seek and tell 2024-04-01 14:37:24 -04:00
streams.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
sync.cpp util: avoid using thread_local variable that has a destructor 2024-05-16 18:16:46 +02:00
sync.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
threadsafety.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
tinyformat.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
torcontrol.cpp util: Move util/string.h functions to util namespace 2024-05-16 10:16:08 -05:00
torcontrol.h doc, refactor: Changing -torcontrol help to specify that a default port is used 2023-08-17 23:58:47 -05:00
txdb.cpp Merge bitcoin/bitcoin#28195: blockstorage: Drop legacy -txindex check 2023-09-05 11:37:35 +01:00
txdb.h move-only: Move CBlockTreeDB to node/blockstorage 2023-08-01 15:27:33 +02:00
txmempool.cpp random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
txmempool.h [[refactor]] Check CTxMemPool options in constructor 2024-05-17 23:37:25 +02:00
txorphanage.cpp scripted-diff: Replace nNextSweep with m_next_sweep 2024-05-29 09:02:07 -07:00
txorphanage.h Don't use iterator addresses in IteratorComparator 2024-06-19 10:14:31 +01:00
txrequest.cpp random: get rid of GetRand by inlining 2024-07-01 12:39:53 -04:00
txrequest.h
uint256.cpp refactor: modernize the implementation of uint256.* 2022-12-10 14:34:44 -06:00
uint256.h Merge bitcoin/bitcoin#27927: util: Allow std::byte and char Span serialization 2023-06-28 15:12:12 -04:00
undo.h Include version.h in fewer places 2023-11-16 11:36:22 +10:00
validation.cpp Merge bitcoin/bitcoin#30320: assumeutxo: Don't load a snapshot if it's not in the best header chain 2024-07-18 17:28:22 -04:00
validation.h refactor: Make m_last_notified_header private 2024-07-17 09:12:28 +02:00
validationinterface.cpp tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00
validationinterface.h kernel: Remove dependency on CScheduler 2024-02-16 17:12:52 +01:00
versionbits.cpp refactor: use braced init for integer constants instead of c style casts 2023-01-03 19:31:29 -06:00
versionbits.h scripted-diff: Bump copyright headers 2022-12-24 23:49:50 +00:00
walletinitinterface.h tidy: modernize-use-equals-default 2024-07-08 11:12:01 +02:00