CFReadStreamRead doesn't read data over SSL (HTTPS) server
CFReadStreamRead doesn't read data over SSL (HTTPS) server
- Subject: CFReadStreamRead doesn't read data over SSL (HTTPS) server
- From: "Yuvaraj D" <email@hidden>
- Date: 14 May 2007 09:20:59 -0000
- Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
Hi,
I'm writing a XML parser where i'm trying to get the URL with Authentication from HTTPS server. I'm using CFReadStreamRead to read the data over the HTTPS stream.
But "CFReadStreamRead" fails to read any data and throws up an error which when logged gives "-9812" which means "errUnknownRootCert" as seen in the "SecureTransport.h" header file.
Here is the code:
/********************************************************/
UInt8 buffer[kBufferSize]; // Create the buffer
CFIndex bytesInBuffer = 0;
CFHTTPMessageRef messageRef = NULL;
CFReadStreamRef readStreamRef = NULL;
Boolean bHTTPreturn = false;
Boolean bFlag = false;
CFMutableDataRef data = "" 0);
if ( urlRef == NULL ) return;
// Create the HTTP message
messageRef = CFHTTPMessageCreateRequest( kCFAllocatorDefault, CFSTR("GET"), urlRef, kCFHTTPVersion1_1 );
if ( messageRef == NULL ) return;
// Create the stream for the request.
readStreamRef = CFReadStreamCreateForHTTPRequest( kCFAllocatorDefault, messageRef );
if ( readStreamRef == NULL ) return;
// Authentication
if (username || password)
bHTTPreturn = CFHTTPMessageAddAuthentication(messageRef, NULL, username, password, kCFHTTPAuthenticationSchemeBasic, false);
// Enable auto-redirect
if ( CFReadStreamSetProperty(readStreamRef, kCFStreamPropertyHTTPShouldAutoredirect, kCFBooleanTrue) == false )
return;
// Start the HTTP connection
if ( CFReadStreamOpen( readStreamRef ) == false )
return;
// Set the timer
UInt32 startTime = TickCount();
// Loop, reading the data
while (true) {
UInt32 time = TickCount();
if (time < startTime)
startTime = 0;
if ( time > startTime + kTimeout)
return;
CFStreamStatus rStatus = CFReadStreamGetStatus(readStreamRef);
if (rStatus == kCFStreamStatusOpening)
continue;
if ((rStatus == kCFStreamStatusError) || (rStatus == kCFStreamStatusClosed) || (rStatus == kCFStreamStatusAtEnd))
break;
if (CFReadStreamHasBytesAvailable (readStreamRef)) {
CFIndex bytesRead = CFReadStreamRead(readStreamRef, buffer, kBufferSize);
fprintf(stdout, "\n bytesRead = %d\n", (int)bytesRead);
if (bytesRead < 0) {
CFStreamError cfErr;// = (CFStreamError) malloc (sizeof(CFStreamError));
cfErr = CFReadStreamGetError(readStreamRef);
fprintf(stdout, "\n inside if (bytesRead < 0) cfErr.Error = %ld \n domain = %d \n",cfErr.error, cfErr.domain);
// CFStreamError error = CFReadStreamGetError(readStreamRef);
return;
} else {
CFDataAppendBytes(data, buffer, bytesRead);
startTime = TickCount(); // Reset timer
}
}
}
/********************************************************/
Has anybody come across this problem?
Is there a way to overcome this? I want to know how to read data communicating with HTTPS servers or servers which are on SSL (Secure Socket Layer).
Thanks & Regards.
Yuvaraj
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