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} else if (backingError == 0 && err == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
if (*errorCodePtr == ECONNRESET) {
*errorCodePtr = ECONNABORTED;
}
Tls_Error(statePtr, (char *) Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
if (*errorCodePtr == ECONNRESET) {
*errorCodePtr = ECONNABORTED;
}
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
}
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
return -1;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL_ERROR_SSL: Got permanent fatal SSL error, aborting immediately");
if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, (char *) X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
}
if (backingError != 0) {
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
}
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
*errorCodePtr = ECONNABORTED;
return -1;
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
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} else if (backingError == 0 && err == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
if (*errorCodePtr == ECONNRESET) {
*errorCodePtr = ECONNABORTED;
}
Tls_Error(statePtr, Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
if (*errorCodePtr == ECONNRESET) {
*errorCodePtr = ECONNABORTED;
}
Tls_Error(statePtr, ERR_reason_error_string(backingError));
}
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
return -1;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL_ERROR_SSL: Got permanent fatal SSL error, aborting immediately");
if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
}
if (backingError != 0) {
Tls_Error(statePtr, ERR_reason_error_string(backingError));
}
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
*errorCodePtr = ECONNABORTED;
return -1;
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
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dprintBuffer(buf, bytesRead);
break;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL error, indicating that the connection has been aborted");
if (backingError != 0) {
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
} else if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, (char *) X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
} else {
Tls_Error(statePtr, "Unknown SSL error");
}
*errorCodePtr = ECONNABORTED;
bytesRead = -1;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
/* Unexpected EOF from the peer for OpenSSL 3.0+ */
if (ERR_GET_REASON(backingError) == SSL_R_UNEXPECTED_EOF_WHILE_READING) {
dprintf("(Unexpected) EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
Tls_Error(statePtr, "EOF reached");
}
#endif
break;
case SSL_ERROR_SYSCALL:
/* Some non-recoverable, fatal I/O error occurred */
if (backingError == 0 && bytesRead == 0) {
/* Unexpected EOF from the peer for OpenSSL 1.1 */
dprintf("(Unexpected) EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
Tls_Error(statePtr, "EOF reached");
} else if (backingError == 0 && bytesRead == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
Tls_Error(statePtr, (char *) Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
}
break;
case SSL_ERROR_ZERO_RETURN:
dprintf("Got SSL_ERROR_ZERO_RETURN, this means an EOF has been reached");
bytesRead = 0;
*errorCodePtr = 0;
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dprintBuffer(buf, bytesRead);
break;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL error, indicating that the connection has been aborted");
if (backingError != 0) {
Tls_Error(statePtr, ERR_reason_error_string(backingError));
} else if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
} else {
Tls_Error(statePtr, "Unknown SSL error");
}
*errorCodePtr = ECONNABORTED;
bytesRead = -1;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
/* Unexpected EOF from the peer for OpenSSL 3.0+ */
if (ERR_GET_REASON(backingError) == SSL_R_UNEXPECTED_EOF_WHILE_READING) {
dprintf("(Unexpected) EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
Tls_Error(statePtr, "EOF reached");
}
#endif
break;
case SSL_ERROR_SYSCALL:
/* Some non-recoverable, fatal I/O error occurred */
if (backingError == 0 && bytesRead == 0) {
/* Unexpected EOF from the peer for OpenSSL 1.1 */
dprintf("(Unexpected) EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
Tls_Error(statePtr, "EOF reached");
} else if (backingError == 0 && bytesRead == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
Tls_Error(statePtr, Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
Tls_Error(statePtr, ERR_reason_error_string(backingError));
}
break;
case SSL_ERROR_ZERO_RETURN:
dprintf("Got SSL_ERROR_ZERO_RETURN, this means an EOF has been reached");
bytesRead = 0;
*errorCodePtr = 0;
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written = 0;
Tls_Error(statePtr, "EOF reached");
} else if (backingError == 0 && written == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
written = -1;
Tls_Error(statePtr, (char *) Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
written = -1;
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
}
break;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL error, indicating that the connection has been aborted");
if (backingError != 0) {
Tls_Error(statePtr, (char *) ERR_reason_error_string(backingError));
} else if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, (char *) X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
} else {
Tls_Error(statePtr, "Unknown SSL error");
}
*errorCodePtr = ECONNABORTED;
written = -1;
break;
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written = 0;
Tls_Error(statePtr, "EOF reached");
} else if (backingError == 0 && written == -1) {
dprintf("I/O error occurred (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
written = -1;
Tls_Error(statePtr, Tcl_ErrnoMsg(*errorCodePtr));
} else {
dprintf("I/O error occurred (backingError = %lu)", backingError);
*errorCodePtr = Tcl_GetErrno();
written = -1;
Tls_Error(statePtr, ERR_reason_error_string(backingError));
}
break;
case SSL_ERROR_SSL:
/* A non-recoverable, fatal error in the SSL library occurred, usually a protocol error */
dprintf("SSL error, indicating that the connection has been aborted");
if (backingError != 0) {
Tls_Error(statePtr, ERR_reason_error_string(backingError));
} else if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
Tls_Error(statePtr, X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)));
} else {
Tls_Error(statePtr, "Unknown SSL error");
}
*errorCodePtr = ECONNABORTED;
written = -1;
break;
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