ObjOpenSSL  Diff

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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <unistd.h>
#include <errno.h>
#include <assert.h>

#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wdocumentation"
#endif

#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>

#if defined(__clang__)
# pragma clang diagnostic pop
#endif

#import <ObjFW/OFThread.h>
#import <ObjFW/OFHTTPRequest.h>
#import <ObjFW/OFDataArray.h>
#import <ObjFW/OFSystemInfo.h>

#import <ObjFW/OFAcceptFailedException.h>
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		@throw [OFInitializationFailedException
		    exceptionWithClass: self];

	if (SSL_CTX_set_default_verify_paths(ctx) == 0)
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

- init
{
	self = [super init];

	_certificateVerificationEnabled = true;

	return self;
}

- initWithSocket: (OFTCPSocket*)socket
{
	self = [self init];

	@try {
	_socket = dup(socket->_socket);
		if ((_socket = dup(socket->_socket)) < 0)
			@throw [OFInitializationFailedException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	SSL *SSL_ = _SSL;

	[_privateKeyFile release];
	[_certificateFile release];

	[super dealloc];

	if (SSL_ != NULL)
		SSL_free(SSL_);
}

- (void)startTLS
- (void)SSL_startTLSWithExpectedHost: (OFString*)host
				port: (uint16_t)port
{
	of_string_encoding_t encoding;

	if ((_SSL = SSL_new(ctx)) == NULL || !SSL_set_fd(_SSL, _socket)) {
		[super close];
		@throw [OFConnectionFailedException
		    exceptionWithHost: nil
				 port: 0
		    exceptionWithHost: host
				 port: port
			       socket: self];
	}

	if (_certificateVerificationEnabled) {
		X509_VERIFY_PARAM *param = SSL_get0_param(_SSL);

		X509_VERIFY_PARAM_set_hostflags(param,
		    X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);

		if (X509_VERIFY_PARAM_set1_host(param,
		    [host UTF8String], [host UTF8StringLength]) == 0)
			@throw [OFConnectionFailedException
			    exceptionWithHost: host
					 port: port
				       socket: self];

		SSL_set_verify(_SSL, SSL_VERIFY_PEER, NULL);
	}

	SSL_set_connect_state(_SSL);

	encoding = [OFSystemInfo native8BitEncoding];

	if ((_privateKeyFile != nil && !SSL_use_PrivateKey_file(_SSL,
	    [_privateKeyFile cStringWithEncoding: encoding],
	    SSL_FILETYPE_PEM)) || (_certificateFile != nil &&
	    !SSL_use_certificate_file(_SSL, [_certificateFile
	    cStringWithEncoding: encoding],
	    SSL_FILETYPE_PEM)) || SSL_connect(_SSL) != 1) {
		[super close];
		@throw [OFConnectionFailedException
		    exceptionWithHost: nil
				 port: 0
		    exceptionWithHost: host
				 port: port
			       socket: self];
	}
}

- (void)startTLSWithExpectedHost: (OFString*)host
{
	[self SSL_startTLSWithExpectedHost: host
				      port: 0];
}

- (void)connectToHost: (OFString*)host
		 port: (uint16_t)port
{
	[super connectToHost: host
			port: port];

	[self startTLS];
	[self SSL_startTLSWithExpectedHost: host
				      port: port];
}

- (instancetype)accept
{
	SSLSocket *client = (SSLSocket*)[super accept];
	of_string_encoding_t encoding;

	if ((client->_SSL = SSL_new(ctx)) == NULL ||
	    !SSL_set_fd(client->_SSL, client->_socket)) {
		[client SSL_super_close];
		/* FIXME: Get a proper errno */
		@throw [OFAcceptFailedException exceptionWithSocket: self
							      errNo: 0];
	}

	if (_requestsClientCertificates)
	if (_requestClientCertificatesEnabled)
		SSL_set_verify(client->_SSL, SSL_VERIFY_PEER, NULL);

	SSL_set_accept_state(client->_SSL);

	encoding = [OFSystemInfo native8BitEncoding];

	if (!SSL_use_PrivateKey_file(client->_SSL, [_privateKeyFile
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		return true;

	return [super hasDataInReadBuffer];
}

- (void)setDelegate: (id <OFTLSSocketDelegate>)delegate
{
	/* FIXME */
	[self doesNotRecognizeSelector: _cmd];
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
	abort();
}

- (id <OFTLSSocketDelegate>)delegate
{
	/* FIXME */
	/* TODO */
	return nil;
	OF_UNRECOGNIZED_SELECTOR
}

- (void)setCertificateFile: (OFString*)certificateFile
{
	OF_SETTER(_certificateFile, certificateFile, true, 1)
}

- (void)setCertificateFile: (OFString*)certificateFile
		forSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (OFString*)certificateFile
{
	OF_GETTER(_certificateFile, true)
}

- (OFString*)certificateFileForSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (void)setPrivateKeyFile: (OFString*)privateKeyFile
{
	OF_SETTER(_privateKeyFile, privateKeyFile, true, 1)
}

- (void)setPrivateKeyFile: (OFString*)privateKeyFile
	       forSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (OFString*)privateKeyFile
{
	OF_GETTER(_privateKeyFile, true)
}

- (OFString*)privateKeyFileForSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (void)setPrivateKeyPassphrase: (const char*)privateKeyPassphrase
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}
	/* FIXME */

- (void)setPrivateKeyPassphrase: (const char*)privateKeyPassphrase
		     forSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (const char*)privateKeyPassphrase
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}
	/* FIXME */
	return NULL;

- (const char*)privateKeyPassphraseForSNIHost: (OFString*)SNIHost
{
	/* TODO */
	OF_UNRECOGNIZED_SELECTOR
}

- (void)setCertificateVerificationEnabled: (bool)enabled
{
	_certificateVerificationEnabled = enabled;
}

- (bool)isCertificateVerificationEnabled
{
	return _certificateVerificationEnabled;
}

- (void)setRequestsClientCertificates: (bool)enabled
- (void)setRequestClientCertificatesEnabled: (bool)enabled
{
	_requestsClientCertificates = enabled;
	_requestClientCertificatesEnabled = enabled;
}

- (bool)requestsClientCertificates
- (bool)isRequestClientCertificatesEnabled
{
	return _requestsClientCertificates;
	return _requestClientCertificatesEnabled;
}

- (OFDataArray*)channelBindingDataWithType: (OFString*)type
{
	size_t length;
	char buffer[64];
	OFDataArray *data;