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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* address_helper.cc
*
* Created on: Oct 27, 2013
* Author: matt
*/
#include <netdb.h>
#include <regex>
#include "common/address_helper.h"
// decode strings like "tcp://<host>:<port>"
int entity_addr_from_url(entity_addr_t *addr /* out */, const char *url)
{
std::regex expr("(tcp|rdma)://([^:]*):([\\d]+)");
std::cmatch m;
if (std::regex_match(url, m, expr)) {
string host(m[2].first, m[2].second);
string port(m[3].first, m[3].second);
addrinfo hints;
// FIPS zeroization audit 20191115: this memset is fine.
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
addrinfo *res;
if (!getaddrinfo(host.c_str(), nullptr, &hints, &res)) {
addr->set_sockaddr((sockaddr*)res->ai_addr);
addr->set_port(std::atoi(port.c_str()));
freeaddrinfo(res);
return 0;
}
}
return 1;
}
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