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@implementation OFGnuTLSTLSStream
static ssize_t
readFunc(gnutls_transport_ptr_t transport, void *buffer, size_t length)
{
OFGnuTLSTLSStream *stream = (OFGnuTLSTLSStream *)transport;
@try {
length = [stream.wrappedStream readIntoBuffer: buffer
length: length];
length = [stream.underlyingStream readIntoBuffer: buffer
length: length];
} @catch (OFReadFailedException *e) {
gnutls_transport_set_errno(stream->_session, e.errNo);
return -1;
}
if (length == 0 && !stream.wrappedStream.atEndOfStream) {
if (length == 0 && !stream.underlyingStream.atEndOfStream) {
gnutls_transport_set_errno(stream->_session, EWOULDBLOCK);
return -1;
}
return length;
}
static ssize_t
writeFunc(gnutls_transport_ptr_t transport, const void *buffer, size_t length)
{
OFGnuTLSTLSStream *stream = (OFGnuTLSTLSStream *)transport;
@try {
[stream.wrappedStream writeBuffer: buffer length: length];
[stream.underlyingStream writeBuffer: buffer length: length];
} @catch (OFWriteFailedException *e) {
gnutls_transport_set_errno(stream->_session, e.errNo);
if (e.errNo == EWOULDBLOCK)
return e.bytesWritten;
return -1;
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- (instancetype)initWithStream: (OFStream <OFReadyForReadingObserving,
OFReadyForWritingObserving> *)stream
{
self = [super initWithStream: stream];
@try {
_wrappedStream.delegate = self;
_underlyingStream.delegate = self;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
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if (_verifiesCertificates)
gnutls_session_set_verify_cert(_session, _host.UTF8String, 0);
status = gnutls_handshake(_session);
if (status == GNUTLS_E_INTERRUPTED || status == GNUTLS_E_AGAIN) {
if (gnutls_record_get_direction(_session) == 1)
[_wrappedStream
[_underlyingStream
asyncWriteData: [OFData dataWithItems: "" count: 0]
runLoopMode: runLoopMode];
else
[_wrappedStream asyncReadIntoBuffer: (void *)""
length: 0
runLoopMode: runLoopMode];
[_underlyingStream asyncReadIntoBuffer: (void *)""
length: 0
runLoopMode: runLoopMode];
[_delegate retain];
return;
}
if (status != GNUTLS_E_SUCCESS)
/* FIXME: Map to better errors */
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if (status == GNUTLS_E_INTERRUPTED ||
status == GNUTLS_E_AGAIN) {
if (gnutls_record_get_direction(_session) == 1) {
OFData *data = [OFData dataWithItems: ""
count: 0];
OFRunLoopMode runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
[_wrappedStream asyncWriteData: data
runLoopMode: runLoopMode];
[_underlyingStream asyncWriteData: data
runLoopMode: runLoopMode];
return false;
} else
return true;
}
if (status != GNUTLS_E_SUCCESS)
exception = [OFTLSHandshakeFailedException
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if (status == GNUTLS_E_INTERRUPTED ||
status == GNUTLS_E_AGAIN) {
if (gnutls_record_get_direction(_session) == 1)
return data;
else {
OFRunLoopMode runLoopMode =
[OFRunLoop currentRunLoop].currentMode;
[_wrappedStream
[_underlyingStream
asyncReadIntoBuffer: (void *)""
length: 0
runLoopMode: runLoopMode];
return nil;
}
}
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