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zmq: accept unix domain socket address for notifier

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Matthew Zipkin 2024-03-13 11:41:04 -04:00
parent 312f54278f
commit c87b0a0ff4
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GPG key ID: E7E2984B6289C93A
3 changed files with 30 additions and 18 deletions
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37
src/init.cpp
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@ -1301,30 +1301,33 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
}
}
for (const std::string port_option : {
"-i2psam",
"-onion",
"-proxy",
"-rpcbind",
"-torcontrol",
"-whitebind",
"-zmqpubhashblock",
"-zmqpubhashtx",
"-zmqpubrawblock",
"-zmqpubrawtx",
"-zmqpubsequence",
for (const auto &port_option : std::vector<std::pair<std::string, bool>>{
// arg name UNIX socket support
{"-i2psam", false},
{"-onion", true},
{"-proxy", true},
{"-rpcbind", false},
{"-torcontrol", false},
{"-whitebind", false},
{"-zmqpubhashblock", true},
{"-zmqpubhashtx", true},
{"-zmqpubrawblock", true},
{"-zmqpubrawtx", true},
{"-zmqpubsequence", true}
}) {
for (const std::string& socket_addr : args.GetArgs(port_option)) {
const std::string arg{port_option.first};
const bool unix{port_option.second};
for (const std::string& socket_addr : args.GetArgs(arg)) {
std::string host_out;
uint16_t port_out{0};
if (!SplitHostPort(socket_addr, port_out, host_out)) {
#if HAVE_SOCKADDR_UN
// Allow unix domain sockets for -proxy and -onion e.g. unix:/some/file/path
if ((port_option != "-proxy" && port_option != "-onion") || socket_addr.find(ADDR_PREFIX_UNIX) != 0) {
return InitError(InvalidPortErrMsg(port_option, socket_addr));
// Allow unix domain sockets for some options e.g. unix:/some/file/path
if (!unix || socket_addr.find(ADDR_PREFIX_UNIX) != 0) {
return InitError(InvalidPortErrMsg(arg, socket_addr));
}
#else
return InitError(InvalidPortErrMsg(port_option, socket_addr));
return InitError(InvalidPortErrMsg(arg, socket_addr));
#endif
}
}

8
src/zmq/zmqnotificationinterface.cpp
View file

@ -8,6 +8,7 @@
#include <kernel/chain.h>
#include <kernel/mempool_entry.h>
#include <logging.h>
#include <netbase.h>
#include <primitives/block.h>
#include <primitives/transaction.h>
#include <validationinterface.h>
@ -57,7 +58,12 @@ std::unique_ptr<CZMQNotificationInterface> CZMQNotificationInterface::Create(std
{
std::string arg("-zmq" + entry.first);
const auto& factory = entry.second;
for (const std::string& address : gArgs.GetArgs(arg)) {
for (std::string& address : gArgs.GetArgs(arg)) {
// libzmq uses prefix "ipc://" for UNIX domain sockets
if (address.substr(0, ADDR_PREFIX_UNIX.length()) == ADDR_PREFIX_UNIX) {
address.replace(0, ADDR_PREFIX_UNIX.length(), ADDR_PREFIX_IPC);
}
std::unique_ptr<CZMQAbstractNotifier> notifier = factory();
notifier->SetType(entry.first);
notifier->SetAddress(address);

3
src/zmq/zmqutil.h
View file

@ -9,4 +9,7 @@
void zmqError(const std::string& str);
/** Prefix for unix domain socket addresses (which are local filesystem paths) */
const std::string ADDR_PREFIX_IPC = "ipc://"; // used by libzmq, example "ipc:///root/path/to/file"
#endif // BITCOIN_ZMQ_ZMQUTIL_H