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* Also work done by the follow people provided the impetus to do this "right":
* tclSSL (Colin McCormack, Shared Technology)
* SSLtcl (Peter Antman)
*
*/
#include "tlsInt.h"
#include <errno.h>
/*
* Forward declarations
*/
static void TlsChannelHandlerTimer(ClientData clientData);
/*
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*
*------------------------------------------------------*
*/
int Tls_WaitForConnect(State *statePtr, int *errorCodePtr, int handshakeFailureIsPermanent) {
unsigned long backingError;
int err, rc;
int bioShouldRetry;
*errorCodePtr = 0;
dprintf("WaitForConnect(%p)", (void *) statePtr);
dprintFlags(statePtr);
if (!(statePtr->flags & TLS_TCL_INIT)) {
dprintf("Tls_WaitForConnect called on already initialized channel -- returning with immediate success");
*errorCodePtr = 0;
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}
}
dprintf("We have either completely established the session or completely failed it -- there is no more need to ever retry it though");
break;
}
*errorCodePtr = EINVAL;
dprintf("SSL_ERROR_ZERO_RETURN: Connect returned an invalid value...")
dprintf("SSL_ERROR_ZERO_RETURN: Connect returned an invalid value...");
*errorCodePtr = EINVAL;
return(-1);
case SSL_ERROR_SYSCALL:
backingError = ERR_get_error();
if (backingError == 0 && err == 0) {
dprintf("EOF reached")
*errorCodePtr = ECONNRESET;
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return(0);
}
dprintf("Calling Tls_WaitForConnect");
tlsConnect = Tls_WaitForConnect(statePtr, errorCodePtr, 0);
if (tlsConnect < 0) {
dprintf("Got an error waiting to connect (tlsConnect = %i, *errorCodePtr = %i)", tlsConnect, *errorCodePtr);
Tls_Error(statePtr, strerror(*errorCodePtr));
bytesRead = -1;
if (*errorCodePtr == ECONNRESET) {
dprintf("Got connection reset");
/* Soft EOF */
*errorCodePtr = 0;
bytesRead = 0;
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default:
dprintf("Unknown error (err = %i), mapping to EOF", err);
*errorCodePtr = 0;
bytesRead = 0;
break;
}
if (*errorCodePtr < 0) {
Tls_Error(statePtr, strerror(*errorCodePtr));
}
dprintf("Input(%d) -> %d [%d]", bufSize, bytesRead, *errorCodePtr);
return(bytesRead);
}
/*
*-------------------------------------------------------------------
*
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return(-1);
}
dprintf("Calling Tls_WaitForConnect");
tlsConnect = Tls_WaitForConnect(statePtr, errorCodePtr, 1);
if (tlsConnect < 0) {
dprintf("Got an error waiting to connect (tlsConnect = %i, *errorCodePtr = %i)", tlsConnect, *errorCodePtr);
Tls_Error(statePtr, strerror(*errorCodePtr));
written = -1;
if (*errorCodePtr == ECONNRESET) {
dprintf("Got connection reset");
/* Soft EOF */
*errorCodePtr = 0;
written = 0;
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break;
default:
dprintf(" unknown err: %d", err);
break;
}
if (*errorCodePtr < 0) {
Tls_Error(statePtr, strerror(*errorCodePtr));
}
dprintf("Output(%d) -> %d", toWrite, written);
return(written);
}
/*
*-------------------------------------------------------------------
*
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dprintf("Returning 0 due to callback");
return 0;
}
dprintf("Calling Tls_WaitForConnect");
errorCode = 0;
if (Tls_WaitForConnect(statePtr, &errorCode, 1) < 0) {
Tls_Error(statePtr, strerror(errorCode));
if (errorCode == EAGAIN) {
dprintf("Async flag could be set (didn't check) and errorCode == EAGAIN: Returning 0");
return 0;
}
dprintf("Tls_WaitForConnect returned an error");
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