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*/
#include "config.h"
#include <errno.h>
#import "OFOpenSSLTLSStream.h"
#import "OFArray.h"
#import "OFData.h"
#import "OFOpenSSLX509Certificate.h"
#import "OFOpenSSLX509CertificatePrivateKey.h"
#include <openssl/err.h>
#import "OFAlreadyOpenException.h"
#import "OFInitializationFailedException.h"
#import "OFNotOpenException.h"
#import "OFReadFailedException.h"
#import "OFTLSHandshakeFailedException.h"
#import "OFWriteFailedException.h"
#define bufferSize OFOpenSSLTLSStreamBufferSize
int _ObjFWTLS_reference;
static SSL_CTX *clientContext;
static SSL_CTX *clientContext, *serverContext;
static OFTLSStreamErrorCode
verifyResultToErrorCode(const SSL *SSL_)
{
switch (SSL_get_verify_result(SSL_)) {
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
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SSL_load_error_strings();
SSL_library_init();
if ((clientContext = SSL_CTX_new(TLS_client_method())) == NULL ||
SSL_CTX_set_default_verify_paths(clientContext) != 1)
@throw [OFInitializationFailedException
exceptionWithClass: self];
if ((serverContext = SSL_CTX_new(TLS_server_method())) == NULL)
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
- (instancetype)initWithStream: (OFStream <OFReadyForReadingObserving,
OFReadyForWritingObserving> *)stream
{
self = [super initWithStream: stream];
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SSL_has_pending(_SSL) || BIO_ctrl_pending(_readBIO) > 0);
#else
return (_underlyingStream.hasDataInReadBuffer ||
SSL_pending(_SSL) > 0 || BIO_ctrl_pending(_readBIO) > 0);
#endif
}
- (void)asyncPerformClientHandshakeWithHost: (OFString *)host
runLoopMode: (OFRunLoopMode)runLoopMode
- (void)of_asyncPerformHandshakeWithHost: (OFString *)host
server: (bool)server
runLoopMode: (OFRunLoopMode)runLoopMode
{
static const OFTLSStreamErrorCode initFailedErrorCode =
OFTLSStreamErrorCodeInitializationFailed;
void *pool = objc_autoreleasePoolPush();
id exception = nil;
int status;
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host: host
errorCode: initFailedErrorCode];
}
BIO_set_mem_eof_return(_readBIO, -1);
BIO_set_mem_eof_return(_writeBIO, -1);
if ((_SSL = SSL_new(clientContext)) == NULL) {
if ((_SSL = SSL_new(server ? serverContext : clientContext)) == NULL) {
BIO_free(_readBIO);
BIO_free(_writeBIO);
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
}
SSL_set_bio(_SSL, _readBIO, _writeBIO);
if (server)
SSL_set_accept_state(_SSL);
else
SSL_set_connect_state(_SSL);
SSL_set_connect_state(_SSL);
_host = [host copy];
_server = server;
if (!server) {
if (SSL_set_tlsext_host_name(_SSL, _host.UTF8String) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
if (SSL_set_tlsext_host_name(_SSL, _host.UTF8String) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
if (_verifiesCertificates) {
SSL_set_verify(_SSL, SSL_VERIFY_PEER, NULL);
if (_verifiesCertificates) {
SSL_set_verify(_SSL, SSL_VERIFY_PEER, NULL);
if (SSL_set1_host(_SSL, _host.UTF8String) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
if (SSL_set1_host(_SSL, _host.UTF8String) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
}
}
if (_certificateChain.count > 0) {
OFOpenSSLX509Certificate *certificate =
(OFOpenSSLX509Certificate *)_certificateChain.firstObject;
OFOpenSSLX509CertificatePrivateKey *privateKey =
(OFOpenSSLX509CertificatePrivateKey *)_privateKey;
bool first = true;
if (SSL_use_certificate(_SSL,
certificate.of_openSSLCertificate) != 1 ||
SSL_use_PrivateKey(_SSL,
privateKey.of_openSSLPrivateKey) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
for (OFOpenSSLX509Certificate *iter in _certificateChain) {
if (first) {
first = false;
continue;
}
if (SSL_add1_chain_cert(_SSL,
iter.of_openSSLCertificate) != 1)
@throw [OFTLSHandshakeFailedException
exceptionWithStream: self
host: host
errorCode: initFailedErrorCode];
}
}
ERR_clear_error();
status = SSL_do_handshake(_SSL);
while (BIO_ctrl_pending(_writeBIO) > 0) {
int tmp = BIO_read(_writeBIO, _buffer, bufferSize);
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exceptionWithStream: self
host: host
errorCode: OFTLSStreamErrorCodeUnknown];
break;
}
}
if (server) {
if ([_delegate respondsToSelector:
@selector(stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: host
exception: exception];
if ([_delegate respondsToSelector: @selector(
streamDidPerformServerHandshake:exception:)])
[_delegate streamDidPerformServerHandshake: self
exception: exception];
} else {
if ([_delegate respondsToSelector: @selector(
stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: host
exception: exception];
}
objc_autoreleasePoolPop(pool);
}
- (void)asyncPerformClientHandshakeWithHost: (OFString *)host
runLoopMode: (OFRunLoopMode)runLoopMode
{
[self of_asyncPerformHandshakeWithHost: host
server: false
runLoopMode: runLoopMode];
}
- (void)asyncPerformServerHandshakeWithRunLoopMode: (OFRunLoopMode)runLoopMode
{
[self of_asyncPerformHandshakeWithHost: nil
server: true
runLoopMode: runLoopMode];
}
- (bool)stream: (OFStream *)stream
didReadIntoBuffer: (void *)buffer
length: (size_t)length
exception: (id)exception
{
if (exception == nil) {
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host: _host
errorCode: unknownErrorCode];
break;
}
}
}
if (_server) {
if ([_delegate respondsToSelector:
@selector(stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: _host
exception: exception];
if ([_delegate respondsToSelector: @selector(
streamDidPerformServerHandshake:exception:)])
[_delegate streamDidPerformServerHandshake: self
exception: exception];
} else {
if ([_delegate respondsToSelector: @selector(
stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: _host
exception: exception];
}
[_delegate release];
return false;
}
- (OFData *)stream: (OFStream *)stream
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host: _host
errorCode: unknownErrorCode];
break;
}
}
}
if (_server) {
if ([_delegate respondsToSelector:
@selector(stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: _host
exception: exception];
if ([_delegate respondsToSelector: @selector(
streamDidPerformServerHandshake:exception:)])
[_delegate streamDidPerformServerHandshake: self
exception: exception];
} else {
if ([_delegate respondsToSelector: @selector(
stream:didPerformClientHandshakeWithHost:exception:)])
[_delegate stream: self
didPerformClientHandshakeWithHost: _host
exception: exception];
}
[_delegate release];
return nil;
}
@end
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