ObjOpenSSL  Check-in [93fb0bd595]

Overview
Comment:Adjust to reworked exception API.
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SHA3-256: 93fb0bd59599fa2eaea75ae28c6d2a7072169199a939cfe6c5f9b20f371547b4
User & Date: js on 2013-06-23 11:10:33
Other Links: manifest | tags
Context
2013-11-22
20:15
Adjust exceptions to ObjFW API change. check-in: 81c23094bc user: js tags: trunk
2013-06-23
11:10
Adjust to reworked exception API. check-in: 93fb0bd595 user: js tags: trunk
2013-04-03
21:26
Disable -Werror until we fully conform to OFTLSSocket again check-in: 51a0e4d05b user: florob@babelmonkeys.de tags: trunk
Changes
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Modified configure.ac from [599766f81c] to [f962a94399].

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	AC_MSG_ERROR(No libz found! Please install zlib!)
])

AS_IF([test x"$GOBJC" = x"yes"], [
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith"
	dnl We need -Wno-deprecated-declarations as OpenSSL is deprecated on
	dnl OS X.
	OBJCFLAGS="$OBJCFLAGS -Wno-deprecated-declarations" # -Werror
	OBJCFLAGS="$OBJCFLAGS -Wno-deprecated-declarations"
])

BUILDSYS_INIT
BUILDSYS_TOUCH_DEPS

dnl We don't call AC_PROG_CPP, but only AC_PROG_OBJCPP and set CPP to OBJCPP
dnl and add OBJCPPFLAGS to CPPFLAGS, thus we need to AC_SUBST these ourself.
AC_SUBST(CPP)
AC_SUBST(CPPFLAGS)

AC_SUBST(PACKAGE, ObjOpenSSL)
AC_CONFIG_FILES([buildsys.mk extra.mk])
AC_OUTPUT

Modified src/SSLInvalidCertificateException.h from [047ae0bfe4] to [eb1ea7f340].

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	OFString *_reason;
}

#ifdef OF_HAVE_PROPERTIES
@property (readonly, assign) OFString *reason;
#endif

+ exceptionWithClass: (Class)class
	      reason: (OFString*)reason;
+ exceptionWithReason: (OFString*)reason;
- initWithClass: (Class)class
	 reason: (OFString*)reason;
- initWithReason: (OFString*)reason;
- (OFString*)reason;
@end

Modified src/SSLInvalidCertificateException.m from [55bf9206f9] to [f22e54e351].

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#include <stdlib.h>

#import "SSLInvalidCertificateException.h"

#import <ObjFW/macros.h>

@implementation SSLInvalidCertificateException
+ exceptionWithClass: (Class)class
	      reason: (OFString*)reason
+ exceptionWithReason: (OFString*)reason
{
	return [[[self alloc] initWithClass: class
	return [[[self alloc] initWithReason: reason] autorelease];
				     reason: reason] autorelease];
}

- initWithClass: (Class)class
- init
{
	@try {
		[self doesNotRecognizeSelector: _cmd];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	abort();
}

- initWithClass: (Class)class
	 reason: (OFString*)reason
- initWithReason: (OFString*)reason
{
	self = [super initWithClass: class];
	self = [super init];

	@try {
		_reason = [reason copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}
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	[super dealloc];
}

- (OFString*)description
{
	return [OFString stringWithFormat:
	    @"Invalid certificate in class %@! Reason: %@", [self inClass],
	    @"Invalid certificate! Reason: %@", _reason];
	    _reason];
}

- (OFString*)reason
{
	OF_GETTER(_reason, false)
}
@end

Modified src/SSLSocket.m from [20965632b7] to [b84a6adf27].

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}

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

	SSL_set_connect_state(_SSL);

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

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

	@try {
		[self startTLS];
	[self startTLS];
	} @catch (OFConnectionFailedException *e) {
		@throw [OFConnectionFailedException
		    exceptionWithClass: [self class]
				socket: self
				  host: host
				  port: port];
	}
}

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

	if ((client->_SSL = SSL_new(ctx)) == NULL ||
	    !SSL_set_fd(client->_SSL, client->_socket)) {
		[client SSL_super_close];
		@throw [OFAcceptFailedException exceptionWithClass: [self class]
		@throw [OFAcceptFailedException exceptionWithSocket: self];
							    socket: self];
	}

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

	SSL_set_accept_state(client->_SSL);

	if (!SSL_use_PrivateKey_file(client->_SSL, [_privateKeyFile
	    cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM) || !SSL_use_certificate_file(client->_SSL,
	    [_certificateFile cStringWithEncoding: OF_STRING_ENCODING_NATIVE],
	    SSL_FILETYPE_PEM) || SSL_accept(client->_SSL) != 1) {
		[client SSL_super_close];
		@throw [OFAcceptFailedException exceptionWithClass: [self class]
		@throw [OFAcceptFailedException exceptionWithSocket: self];
							    socket: self];
	}

	return client;
}

- (void)close
{
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- (size_t)lowlevelReadIntoBuffer: (void*)buffer
			  length: (size_t)length
{
	ssize_t ret;

	if (length > INT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];
		@throw [OFOutOfRangeException exception];

	if (_socket == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
		@throw [OFNotConnectedException exceptionWithSocket: self];
							    socket: self];

	if (_atEndOfStream) {
		OFReadFailedException *e;

		e = [OFReadFailedException exceptionWithClass: [self class]
		e = [OFReadFailedException exceptionWithStream: self
						       stream: self
					      requestedLength: length];
					       requestedLength: length];
#ifndef _WIN32
		e->_errNo = ENOTCONN;
#else
		e->_errNo = WSAENOTCONN;
#endif

		@throw e;
	}

	if ((ret = SSL_read(_SSL, buffer, (int)length)) < 0) {
		if (SSL_get_error(_SSL, ret) ==  SSL_ERROR_WANT_READ)
			return 0;

		@throw [OFReadFailedException exceptionWithClass: [self class]
		@throw [OFReadFailedException exceptionWithStream: self
							  stream: self
						 requestedLength: length];
						  requestedLength: length];
	}

	if (ret == 0)
		_atEndOfStream = true;

	return ret;
}

- (void)lowlevelWriteBuffer: (const void*)buffer
		     length: (size_t)length
{
	if (length > INT_MAX)
		@throw [OFOutOfRangeException exceptionWithClass: [self class]];
		@throw [OFOutOfRangeException exception];

	if (_socket == INVALID_SOCKET)
		@throw [OFNotConnectedException exceptionWithClass: [self class]
		@throw [OFNotConnectedException exceptionWithSocket: self];
							    socket: self];

	if (_atEndOfStream) {
		OFWriteFailedException *e;

		e = [OFWriteFailedException exceptionWithClass: [self class]
		e = [OFWriteFailedException exceptionWithStream: self
							stream: self
					       requestedLength: length];
						requestedLength: length];

#ifndef _WIN32
		e->_errNo = ENOTCONN;
#else
		e->_errNo = WSAENOTCONN;
#endif

		@throw e;
	}

	if (SSL_write(_SSL, buffer, (int)length) < length)
		@throw [OFWriteFailedException exceptionWithClass: [self class]
		@throw [OFWriteFailedException exceptionWithStream: self
							   stream: self
						  requestedLength: length];
						   requestedLength: length];
}

- (size_t)numberOfBytesInReadBuffer
{
	if (_SSL == NULL)
		return [super numberOfBytesInReadBuffer];
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- (OFDataArray*)channelBindingDataWithType: (OFString*)type
{
	size_t length;
	char buffer[64];
	OFDataArray *data;

	if (![type isEqual: @"tls-unique"])
		@throw [OFInvalidArgumentException
		@throw [OFInvalidArgumentException exception];
		    exceptionWithClass: [self class]
			      selector: _cmd];

	if (SSL_session_reused(_SSL) ^ !_listening) {
		/*
		 * We are either client or the session has been resumed
		 * => we have sent the finished message
		 */
		length = SSL_get_finished(_SSL, buffer, 64);
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	unsigned long ret;

	if (SSL_get_peer_certificate(_SSL) != NULL) {
		if ((ret = SSL_get_verify_result(_SSL)) != X509_V_OK) {
			const char *tmp = X509_verify_cert_error_string(ret);
			OFString *reason = [OFString stringWithUTF8String: tmp];
			@throw [SSLInvalidCertificateException
			    exceptionWithClass: [self class]
					reason: reason];
			    exceptionWithReason: reason];
		}
	} else
		@throw [SSLInvalidCertificateException
		    exceptionWithClass: [self class]
				reason: @"No certificate"];
		    exceptionWithReason: @"No certificate"];
}
@end

Modified src/X509Certificate.m from [ea8e8f249e] to [28ac2990f0].

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		OFDataArray *data = [OFDataArray
		    dataArrayWithContentsOfFile: path];
		const unsigned char *dataCArray = [data items];

		_certificate = d2i_X509(NULL, &dataCArray, [data count]);
		if (_certificate == NULL)
			@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
			    exceptionWithClass: [self class]];

		[pool release];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- initWithX509Struct: (X509*)certificate
{
	self = [self init];

	@try {
		_certificate = X509_dup(certificate);
		if (_certificate == NULL)
			@throw [OFInitializationFailedException
				    exceptionWithClass: [self class]];
			    exceptionWithClass: [self class]];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
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- (OFString*)X509_stringFromASN1String: (ASN1_STRING*)str
{
	OFString *ret;
	char *buffer;

	if (ASN1_STRING_to_UTF8((unsigned char**)&buffer, str) < 0)
		@throw [OFInvalidEncodingException
		@throw [OFInvalidEncodingException exception];
		    exceptionWithClass: [self class]];

	@try {
		ret = [OFString stringWithUTF8String: buffer];
	} @finally {
		OPENSSL_free(buffer);
	}
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