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#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#import "OFTCPSocket.h"
#import "OFTCPSocket+Private.h"
#import "OFTCPSocket+SOCKS5.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFString.h"
#import "OFThread.h"
#import "OFTimer.h"
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#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#import "OFTCPSocket.h"
#import "OFTCPSocket+Private.h"
#import "OFDate.h"
#import "OFDNSResolver.h"
#import "OFData.h"
#import "OFRunLoop.h"
#import "OFRunLoop+Private.h"
#import "OFString.h"
#import "OFThread.h"
#import "OFTimer.h"
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#import "OFOutOfRangeException.h"
#import "OFSetOptionFailedException.h"
#import "socket.h"
#import "socket_helpers.h"
#import "resolver.h"
/* References for static linking */
void
_references_to_categories_of_OFTCPSocket(void)
{
_OFTCPSocket_SOCKS5_reference = 1;
}
@interface OFTCPSocket_ConnectContext: OFObject
{
OFTCPSocket *_socket;
OFString *_host;
uint16_t _port;
OFString *_SOCKS5Host;
uint16_t _SOCKS5Port;
id _target;
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#import "OFOutOfRangeException.h"
#import "OFSetOptionFailedException.h"
#import "socket.h"
#import "socket_helpers.h"
#import "resolver.h"
Class of_tls_socket_class = Nil;
static of_run_loop_mode_t connectRunLoopMode = @"of_tcp_socket_connect_mode";
static OFString *defaultSOCKS5Host = nil;
static uint16_t defaultSOCKS5Port = 1080;
@interface OFTCPSocket_AsyncConnectContext: OFObject
{
OFTCPSocket *_socket;
OFString *_host;
uint16_t _port;
OFString *_SOCKS5Host;
uint16_t _SOCKS5Port;
id _target;
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- (bool)socket: (OFTCPSocket *)sock
didReadSOCKS5AddressLength: (unsigned char *)addressLength
length: (size_t)length
context: (id)context
exception: (id)exception;
@end
@implementation OFTCPSocket_ConnectContext
- (instancetype)initWithSocket: (OFTCPSocket *)sock
host: (OFString *)host
port: (uint16_t)port
SOCKS5Host: (OFString *)SOCKS5Host
SOCKS5Port: (uint16_t)SOCKS5Port
target: (id)target
selector: (SEL)selector
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- (bool)socket: (OFTCPSocket *)sock
didReadSOCKS5AddressLength: (unsigned char *)addressLength
length: (size_t)length
context: (id)context
exception: (id)exception;
@end
@interface OFTCPSocket_ConnectContext: OFObject
{
@public
bool _connected;
id _exception;
}
- (void)socketDidConnect: (OFTCPSocket *)sock
context: (id)context
exception: (id)exception;
@end
@implementation OFTCPSocket_AsyncConnectContext
- (instancetype)initWithSocket: (OFTCPSocket *)sock
host: (OFString *)host
port: (uint16_t)port
SOCKS5Host: (OFString *)SOCKS5Host
SOCKS5Port: (uint16_t)SOCKS5Port
target: (id)target
selector: (SEL)selector
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target: self
selector: @selector(socket:didReadSOCKS5Address:
length:context:exception:)
context: nil];
return false;
}
@end
@implementation OFTCPSocket
@synthesize SOCKS5Host = _SOCKS5Host, SOCKS5Port = _SOCKS5Port;
+ (void)setSOCKS5Host: (OFString *)host
{
id old = defaultSOCKS5Host;
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target: self
selector: @selector(socket:didReadSOCKS5Address:
length:context:exception:)
context: nil];
return false;
}
@end
@implementation OFTCPSocket_ConnectContext
- (void)dealloc
{
[_exception release];
[super dealloc];
}
- (void)socketDidConnect: (OFTCPSocket *)sock
context: (id)context
exception: (id)exception
{
if (exception != nil)
_exception = [exception retain];
_connected = true;
}
@end
@implementation OFTCPSocket
@synthesize SOCKS5Host = _SOCKS5Host, SOCKS5Port = _SOCKS5Port;
+ (void)setSOCKS5Host: (OFString *)host
{
id old = defaultSOCKS5Host;
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return errNo;
}
- (void)connectToHost: (OFString *)host
port: (uint16_t)port
{
OFString *destinationHost = host;
uint16_t destinationPort = port;
of_resolver_result_t **results, **iter;
int errNo = 0;
if (_socket != INVALID_SOCKET)
@throw [OFAlreadyConnectedException exceptionWithSocket: self];
if (_SOCKS5Host != nil) {
/* Connect to the SOCKS5 proxy instead */
host = _SOCKS5Host;
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;
#ifdef AF_INET6
case AF_INET6:
address.family = OF_SOCKET_ADDRESS_FAMILY_IPV6;
break;
#endif
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);
if (_socket == INVALID_SOCKET)
@throw [OFConnectionFailedException exceptionWithHost: host
port: port
socket: self
errNo: errNo];
if (_SOCKS5Host != nil)
[self OF_SOCKS5ConnectToHost: destinationHost
port: destinationPort];
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return errNo;
}
- (void)connectToHost: (OFString *)host
port: (uint16_t)port
{
void *pool = objc_autoreleasePoolPush();
OFTCPSocket_ConnectContext *context =
[[[OFTCPSocket_ConnectContext alloc] init] autorelease];
OFRunLoop *runLoop = [OFRunLoop currentRunLoop];
[self asyncConnectToHost: host
port: port
runLoopMode: connectRunLoopMode
target: context
selector: @selector(socketDidConnect:context:exception:)
context: nil];
while (!context->_connected)
[runLoop runMode: connectRunLoopMode
beforeDate: nil];
/* Cleanup */
[runLoop runMode: connectRunLoopMode
beforeDate: [OFDate date]];
if (context->_exception != nil)
@throw context->_exception;
objc_autoreleasePoolPop(pool);
}
- (void)asyncConnectToHost: (OFString *)host
port: (uint16_t)port
target: (id)target
selector: (SEL)selector
context: (id)context
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runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
[[[[OFTCPSocket_ConnectContext alloc]
initWithSocket: self
host: host
port: port
SOCKS5Host: _SOCKS5Host
SOCKS5Port: _SOCKS5Port
target: target
selector: selector
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runLoopMode: (of_run_loop_mode_t)runLoopMode
target: (id)target
selector: (SEL)selector
context: (id)context
{
void *pool = objc_autoreleasePoolPush();
[[[[OFTCPSocket_AsyncConnectContext alloc]
initWithSocket: self
host: host
port: port
SOCKS5Host: _SOCKS5Host
SOCKS5Port: _SOCKS5Port
target: target
selector: selector
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- (void)asyncConnectToHost: (OFString *)host
port: (uint16_t)port
runLoopMode: (of_run_loop_mode_t)runLoopMode
block: (of_tcp_socket_async_connect_block_t)block
{
void *pool = objc_autoreleasePoolPush();
[[[[OFTCPSocket_ConnectContext alloc]
initWithSocket: self
host: host
port: port
SOCKS5Host: _SOCKS5Host
SOCKS5Port: _SOCKS5Port
block: block] autorelease]
startWithRunLoopMode: runLoopMode];
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- (void)asyncConnectToHost: (OFString *)host
port: (uint16_t)port
runLoopMode: (of_run_loop_mode_t)runLoopMode
block: (of_tcp_socket_async_connect_block_t)block
{
void *pool = objc_autoreleasePoolPush();
[[[[OFTCPSocket_AsyncConnectContext alloc]
initWithSocket: self
host: host
port: port
SOCKS5Host: _SOCKS5Host
SOCKS5Port: _SOCKS5Port
block: block] autorelease]
startWithRunLoopMode: runLoopMode];
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