240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
*/
ERR_clear_error();
bytesRead = BIO_read(statePtr->bio, buf, bufSize);
dprintf("BIO_read -> %d", bytesRead);
err = SSL_get_error(statePtr->ssl, bytesRead);
if (BIO_should_retry(statePtr->bio)) {
dprintf("I/O failed, will retry based on EAGAIN");
*errorCodePtr = EAGAIN;
}
switch (err) {
case SSL_ERROR_NONE:
dprintBuffer(buf, bytesRead);
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, bytesRead));
*errorCodePtr = ECONNABORTED;
break;
case SSL_ERROR_SYSCALL:
backingError = ERR_get_error();
if (backingError == 0 && err == 0) {
dprintf("EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
} else {
dprintf("I/O error occured (backingError = %lu)", backingError);
*errorCodePtr = backingError;
bytesRead = 0;
}
break;
}
dprintf("Input(%d) -> %d [%d]", bufSize, bytesRead, *errorCodePtr);
return(bytesRead);
|
>
>
|
|
|
|
>
>
|
>
>
>
>
|
|
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
|
*/
ERR_clear_error();
bytesRead = BIO_read(statePtr->bio, buf, bufSize);
dprintf("BIO_read -> %d", bytesRead);
err = SSL_get_error(statePtr->ssl, bytesRead);
#if 0
if (bytesRead <= 0) {
if (BIO_should_retry(statePtr->bio)) {
dprintf("I/O failed, will retry based on EAGAIN");
*errorCodePtr = EAGAIN;
}
}
#endif
switch (err) {
case SSL_ERROR_NONE:
dprintBuffer(buf, bytesRead);
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, bytesRead));
*errorCodePtr = ECONNABORTED;
break;
case SSL_ERROR_SYSCALL:
backingError = ERR_get_error();
if (backingError == 0 && bytesRead == 0) {
dprintf("EOF reached")
*errorCodePtr = 0;
bytesRead = 0;
} else if (backingError == 0 && bytesRead == -1) {
dprintf("I/O error occured (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
bytesRead = -1;
} else {
dprintf("I/O error occured (backingError = %lu)", backingError);
*errorCodePtr = backingError;
bytesRead = -1;
}
break;
}
dprintf("Input(%d) -> %d [%d]", bufSize, bytesRead, *errorCodePtr);
return(bytesRead);
|
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
* Side effects:
* Writes output on the output device of the channel.
*
*-------------------------------------------------------------------
*/
static int TlsOutputProc(ClientData instanceData, CONST char *buf, int toWrite, int *errorCodePtr) {
State *statePtr = (State *) instanceData;
int written, err;
*errorCodePtr = 0;
dprintf("BIO_write(%p, %d)", (void *) statePtr, toWrite);
dprintBuffer(buf, toWrite);
|
>
|
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
|
* Side effects:
* Writes output on the output device of the channel.
*
*-------------------------------------------------------------------
*/
static int TlsOutputProc(ClientData instanceData, CONST char *buf, int toWrite, int *errorCodePtr) {
unsigned long backingError;
State *statePtr = (State *) instanceData;
int written, err;
*errorCodePtr = 0;
dprintf("BIO_write(%p, %d)", (void *) statePtr, toWrite);
dprintBuffer(buf, toWrite);
|
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
|
dprintf(" write X BLOCK");
break;
case SSL_ERROR_ZERO_RETURN:
dprintf(" closed");
written = 0;
break;
case SSL_ERROR_SYSCALL:
*errorCodePtr = Tcl_GetErrno();
dprintf(" [%d] syscall errr: %d", written, *errorCodePtr);
written = -1;
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, written));
*errorCodePtr = ECONNABORTED;
written = -1;
break;
default:
|
>
>
>
>
>
>
>
>
|
>
>
>
|
|
>
>
|
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
|
dprintf(" write X BLOCK");
break;
case SSL_ERROR_ZERO_RETURN:
dprintf(" closed");
written = 0;
break;
case SSL_ERROR_SYSCALL:
backingError = ERR_get_error();
if (backingError == 0 && written == 0) {
dprintf("EOF reached")
*errorCodePtr = 0;
written = 0;
} else if (backingError == 0 && written == -1) {
dprintf("I/O error occured (errno = %lu)", (unsigned long) Tcl_GetErrno());
*errorCodePtr = Tcl_GetErrno();
written = -1;
} else {
dprintf("I/O error occured (backingError = %lu)", backingError);
*errorCodePtr = backingError;
written = -1;
}
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, written));
*errorCodePtr = ECONNABORTED;
written = -1;
break;
default:
|