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#include <string.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#import "OFTCPSocket.h"
#import "OFTCPSocket+SOCKS5.h"
#import "OFString.h"
#import "OFThread.h"
#import "OFTimer.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
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#include <string.h>
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#import "OFTCPSocket.h"
#import "OFTCPSocket+Private.h"
#import "OFTCPSocket+SOCKS5.h"
#import "OFString.h"
#import "OFThread.h"
#import "OFTimer.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
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- (void)dealloc
{
[_SOCKS5Host release];
[super dealloc];
}
- (void)connectToHost: (OFString *)host
port: (uint16_t)port
{
OFString *destinationHost = host;
uint16_t destinationPort = port;
of_resolver_result_t **results, **iter;
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- (void)dealloc
{
[_SOCKS5Host release];
[super dealloc];
}
- (bool)of_createSocketForAddress: (const of_socket_address_t *)address
errNo: (int *)errNo
{
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
int flags;
#endif
if (_socket != INVALID_SOCKET)
@throw [OFAlreadyConnectedException exceptionWithSocket: self];
if ((_socket = socket(address->sockaddr.sockaddr.sa_family,
SOCK_STREAM | SOCK_CLOEXEC, 0)) == INVALID_SOCKET) {
*errNo = of_socket_errno();
return false;
}
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif
return true;
}
- (bool)of_connectSocketToAddress: (const of_socket_address_t *)address
errNo: (int *)errNo
{
if (_socket == INVALID_SOCKET)
@throw [OFNotOpenException exceptionWithObject: self];
if (connect(_socket, &address->sockaddr.sockaddr,
address->length) != 0) {
*errNo = of_socket_errno();
return false;
}
return true;
}
- (void)of_closeSocket
{
closesocket(_socket);
_socket = INVALID_SOCKET;
}
- (int)of_socketError
{
int errNo;
socklen_t len = sizeof(errNo);
if (getsockopt(_socket, SOL_SOCKET, SO_ERROR, &errNo, &len) != 0)
return of_socket_errno();
return errNo;
}
- (void)connectToHost: (OFString *)host
port: (uint16_t)port
{
OFString *destinationHost = host;
uint16_t destinationPort = port;
of_resolver_result_t **results, **iter;
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port = _SOCKS5Port;
}
results = of_resolve_host(host, port, SOCK_STREAM);
for (iter = results; *iter != NULL; iter++) {
of_resolver_result_t *result = *iter;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
int flags;
#endif
if ((_socket = socket(result->family,
result->type | SOCK_CLOEXEC,
result->protocol)) == INVALID_SOCKET) {
errNo = of_socket_errno();
continue;
}
_blocking = true;
#if SOCK_CLOEXEC == 0 && defined(HAVE_FCNTL) && defined(FD_CLOEXEC)
if ((flags = fcntl(_socket, F_GETFD, 0)) != -1)
fcntl(_socket, F_SETFD, flags | FD_CLOEXEC);
#endif
if (connect(_socket, result->address,
result->addressLength) == -1) {
errNo = of_socket_errno();
closesocket(_socket);
_socket = INVALID_SOCKET;
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port = _SOCKS5Port;
}
results = of_resolve_host(host, port, SOCK_STREAM);
for (iter = results; *iter != NULL; iter++) {
of_resolver_result_t *result = *iter;
of_socket_address_t address;
switch (result->family) {
case AF_INET:
address.family = OF_SOCKET_ADDRESS_FAMILY_IPV4;
break;
case AF_INET6:
address.family = OF_SOCKET_ADDRESS_FAMILY_IPV6;
break;
default:
errNo = EAFNOSUPPORT;
continue;
}
if (result->addressLength > sizeof(address)) {
errNo = EOVERFLOW;
continue;
}
address.length = result->addressLength;
memcpy(&address.sockaddr.sockaddr, result->address,
result->addressLength);
if (![self of_createSocketForAddress: &address
errNo: &errNo])
continue;
_blocking = true;
if (![self of_connectSocketToAddress: &address
errNo: &errNo]) {
[self of_closeSocket];
continue;
}
break;
}
of_resolver_free(results);
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