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#include <util/stream/str.h>
#include "address.h"
#if defined(_unix_)
#include <sys/un.h>
#endif
#ifndef UNIX_PATH_MAX
inline constexpr size_t UNIX_PATH_LIMIT = 108;
#else
inline constexpr size_t UNIX_PATH_LIMIT = UNIX_PATH_MAX;
#endif
using namespace NAddr;
template <bool printPort>
static inline void PrintAddr(IOutputStream& out, const IRemoteAddr& addr) {
const sockaddr* a = addr.Addr();
char buf[INET6_ADDRSTRLEN + 10];
switch (a->sa_family) {
case AF_INET: {
const TIpAddress sa(*(const sockaddr_in*)a);
out << IpToString(sa.Host(), buf, sizeof(buf));
if (printPort) {
out << ":" << sa.Port();
}
break;
}
case AF_INET6: {
const sockaddr_in6* sa = (const sockaddr_in6*)a;
if (!inet_ntop(AF_INET6, (void*)&sa->sin6_addr.s6_addr, buf, sizeof(buf))) {
ythrow TSystemError() << "inet_ntop() failed";
}
if (printPort) {
out << "[" << buf << "]"
<< ":" << InetToHost(sa->sin6_port);
} else {
out << buf;
}
break;
}
#if defined(AF_UNIX)
case AF_UNIX: {
const sockaddr_un* sa = (const sockaddr_un*)a;
out << TStringBuf(sa->sun_path);
break;
}
#endif
default: {
size_t len = addr.Len();
const char* b = (const char*)a;
const char* e = b + len;
bool allZeros = true;
for (size_t i = 0; i < len; ++i) {
if (b[i] != 0) {
allZeros = false;
break;
}
}
if (allZeros) {
out << "(raw all zeros)";
} else {
out << "(raw " << (int)a->sa_family << " ";
while (b != e) {
// just print raw bytes
out << (int)*b++;
if (b != e) {
out << " ";
}
}
out << ")";
}
break;
}
}
}
template <>
void Out<IRemoteAddr>(IOutputStream& out, const IRemoteAddr& addr) {
PrintAddr<true>(out, addr);
}
template <>
void Out<NAddr::TAddrInfo>(IOutputStream& out, const NAddr::TAddrInfo& addr) {
PrintAddr<true>(out, addr);
}
template <>
void Out<NAddr::TIPv4Addr>(IOutputStream& out, const NAddr::TIPv4Addr& addr) {
PrintAddr<true>(out, addr);
}
template <>
void Out<NAddr::TIPv6Addr>(IOutputStream& out, const NAddr::TIPv6Addr& addr) {
PrintAddr<true>(out, addr);
}
template <>
void Out<NAddr::TOpaqueAddr>(IOutputStream& out, const NAddr::TOpaqueAddr& addr) {
PrintAddr<true>(out, addr);
}
void NAddr::PrintHost(IOutputStream& out, const IRemoteAddr& addr) {
PrintAddr<false>(out, addr);
}
TString NAddr::PrintHost(const IRemoteAddr& addr) {
TStringStream ss;
PrintAddr<false>(ss, addr);
return ss.Str();
}
TString NAddr::PrintHostAndPort(const IRemoteAddr& addr) {
TStringStream ss;
PrintAddr<true>(ss, addr);
return ss.Str();
}
IRemoteAddrPtr NAddr::GetSockAddr(SOCKET s) {
auto addr = MakeHolder<TOpaqueAddr>();
if (getsockname(s, addr->MutableAddr(), addr->LenPtr()) < 0) {
ythrow TSystemError() << "getsockname() failed";
}
return addr;
}
IRemoteAddrPtr NAddr::GetPeerAddr(SOCKET s) {
auto addr = MakeHolder<TOpaqueAddr>();
if (getpeername(s, addr->MutableAddr(), addr->LenPtr()) < 0) {
ythrow TSystemError() << "getpeername() failed";
}
return addr;
}
static const in_addr& InAddr(const IRemoteAddr& addr) {
return ((const sockaddr_in*)addr.Addr())->sin_addr;
}
static const in6_addr& In6Addr(const IRemoteAddr& addr) {
return ((const sockaddr_in6*)addr.Addr())->sin6_addr;
}
bool NAddr::IsLoopback(const IRemoteAddr& addr) {
if (addr.Addr()->sa_family == AF_INET) {
return ((ntohl(InAddr(addr).s_addr) >> 24) & 0xff) == 127;
}
if (addr.Addr()->sa_family == AF_INET6) {
return 0 == memcmp(&In6Addr(addr), &in6addr_loopback, sizeof(in6_addr));
}
return false;
}
bool NAddr::IsSame(const IRemoteAddr& lhs, const IRemoteAddr& rhs) {
if (lhs.Addr()->sa_family != rhs.Addr()->sa_family) {
return false;
}
if (lhs.Addr()->sa_family == AF_INET) {
return InAddr(lhs).s_addr == InAddr(rhs).s_addr;
}
if (lhs.Addr()->sa_family == AF_INET6) {
return 0 == memcmp(&In6Addr(lhs), &In6Addr(rhs), sizeof(in6_addr));
}
ythrow yexception() << "unsupported addr family: " << lhs.Addr()->sa_family;
}
socklen_t NAddr::SockAddrLength(const sockaddr* addr) {
switch (addr->sa_family) {
case AF_INET:
return sizeof(sockaddr_in);
case AF_INET6:
return sizeof(sockaddr_in6);
#if defined(AF_LOCAL)
case AF_LOCAL:
return sizeof(sockaddr_un);
#endif
}
ythrow yexception() << "unsupported address family: " << addr->sa_family;
}
TUnixSocketAddr::TUnixSocketAddr(TStringBuf path) {
Y_ENSURE(path.Size() <= UNIX_PATH_LIMIT - 1,
"Unix path \"" << path << "\" is longer than " << UNIX_PATH_LIMIT);
SockAddr_.Set(path);
}
const sockaddr* TUnixSocketAddr::Addr() const {
return SockAddr_.SockAddr();
}
socklen_t TUnixSocketAddr::Len() const {
return SockAddr_.Len();
}
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