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* Sets the device into blocking or nonblocking mode.
* Can call Tcl_SetChannelError.
*
*-------------------------------------------------------------------
*/
static int EncryptBlockModeProc(ClientData clientData, int mode) {
EncryptState *statePtr = (EncryptState *) clientData;
dprintf("Called");
if (mode == TCL_MODE_NONBLOCKING) {
statePtr->flags |= TLS_TCL_ASYNC;
} else {
statePtr->flags &= ~(TLS_TCL_ASYNC);
}
return 0;
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| ︙ | | |
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+
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* Side effects:
* Deletes stored state data.
*
*-------------------------------------------------------------------
*/
int EncryptCloseProc(ClientData clientData, Tcl_Interp *interp) {
EncryptState *statePtr = (EncryptState *) clientData;
dprintf("Called");
/* Cancel active timer, if any */
if (statePtr->timer != (Tcl_TimerToken) NULL) {
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = (Tcl_TimerToken) NULL;
}
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+
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return 0;
}
/*
* Same as EncryptCloseProc but with individual read and write close control
*/
static int EncryptClose2Proc(ClientData instanceData, Tcl_Interp *interp, int flags) {
dprintf("Called");
if ((flags & (TCL_CLOSE_READ | TCL_CLOSE_WRITE)) == 0) {
return EncryptCloseProc(instanceData, interp);
}
return EINVAL;
}
/*
|
| ︙ | | |
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-
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EncryptState *statePtr = (EncryptState *) clientData;
Tcl_Channel parent;
int out_len;
Tcl_Size read;
*errorCodePtr = 0;
char *in_buf;
dprintf("Called");
/* Abort if nothing to process */
if (toRead <= 0 || statePtr->self == (Tcl_Channel) NULL) {
return 0;
}
/* Get bytes from underlying channel */
in_buf = Tcl_Alloc((Tcl_Size) toRead);
parent = Tcl_GetStackedChannel(statePtr->self);
read = Tcl_ReadRaw(parent, in_buf, (Tcl_Size) toRead);
/* Update function */
if (read > 0) {
/* Have data - Update function */
if (EncryptUpdate(statePtr->interp, statePtr->type, statePtr->ctx, (unsigned char *) buf, &out_len, (unsigned char *) in_buf, read) == TCL_OK) {
if (EncryptUpdate(statePtr->interp, statePtr->type, statePtr->ctx, (unsigned char *) buf,
&out_len, (unsigned char *) in_buf, read) == TCL_OK) {
/* If have data, put in buf, otherwise tell TCL to try again */
if (out_len > 0) {
read = (Tcl_Size) out_len;
} else {
*errorCodePtr = EAGAIN;
read = -1;
}
|
| ︙ | | |
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|
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|
+
+
-
+
+
|
*----------------------------------------------------------------------
*/
int EncryptOutputProc(ClientData clientData, const char *buf, int toWrite, int *errorCodePtr) {
EncryptState *statePtr = (EncryptState *) clientData;
int write = 0, out_len;
*errorCodePtr = 0;
char *out_buf;
dprintf("Called");
/* Abort if nothing to process */
if (toWrite <= 0 || statePtr->self == (Tcl_Channel) NULL) {
return 0;
}
out_buf = Tcl_Alloc((Tcl_Size) toWrite+EVP_MAX_BLOCK_LENGTH);
/* Update function */
if (EncryptUpdate(statePtr->interp, statePtr->type, statePtr->ctx, (unsigned char *) out_buf, &out_len, (unsigned char *) buf, (Tcl_Size) toWrite) == TCL_OK) {
if (EncryptUpdate(statePtr->interp, statePtr->type, statePtr->ctx, (unsigned char *) out_buf,
&out_len, (unsigned char *) buf, (Tcl_Size) toWrite) == TCL_OK) {
/* If have data, output it, otherwise tell TCL to try again */
if (out_len > 0) {
Tcl_Channel parent = Tcl_GetStackedChannel(statePtr->self);
write = (int) Tcl_WriteRaw(parent, (const char *) out_buf, (Tcl_Size) out_len);
write = toWrite;
} else {
*errorCodePtr = EAGAIN;
|
| ︙ | | |
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|
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539
540
541
542
543
544
545
546
547
|
+
+
|
*----------------------------------------------------------------------
*/
static int EncryptSetOptionProc(ClientData clientData, Tcl_Interp *interp, const char *optionName,
const char *optionValue) {
EncryptState *statePtr = (EncryptState *) clientData;
Tcl_Channel parent;
Tcl_DriverSetOptionProc *setOptionProc;
dprintf("Called");
/* Abort if no channel */
if (statePtr->self == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
/* Delegate options downstream */
|
| ︙ | | |
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584
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586
587
|
+
+
|
*----------------------------------------------------------------------
*/
static int EncryptGetOptionProc(ClientData clientData, Tcl_Interp *interp, const char *optionName,
Tcl_DString *optionValue) {
EncryptState *statePtr = (EncryptState *) clientData;
Tcl_Channel parent;
Tcl_DriverGetOptionProc *getOptionProc;
dprintf("Called");
/* Abort if no channel */
if (statePtr->self == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
/* Delegate options downstream */
|
| ︙ | | |
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|
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|
+
+
|
* Side effects:
* May call Tcl_NotifyChannel
*
*----------------------------------------------------------------------
*/
static void EncryptTimerHandler(ClientData clientData) {
EncryptState *statePtr = (EncryptState *) clientData;
dprintf("Called");
/* Abort if no channel */
if (statePtr->self == (Tcl_Channel) NULL) {
return;
}
/* Clear timer token */
|
| ︙ | | |
629
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|
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|
+
+
|
*
*----------------------------------------------------------------------
*/
void EncryptWatchProc(ClientData clientData, int mask) {
EncryptState *statePtr = (EncryptState *) clientData;
Tcl_Channel parent;
Tcl_DriverWatchProc *watchProc;
dprintf("Called");
/* Abort if no channel */
if (statePtr->self == (Tcl_Channel) NULL) {
return;
}
/* Store OR-ed combination of TCL_READABLE, TCL_WRITABLE and TCL_EXCEPTION */
|
| ︙ | | |
676
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|
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703
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709
710
711
|
+
+
|
* None
*
*----------------------------------------------------------------------
*/
int EncryptGetHandleProc(ClientData clientData, int direction, ClientData *handlePtr) {
EncryptState *statePtr = (EncryptState *) clientData;
Tcl_Channel parent;
dprintf("Called");
/* Abort if no channel */
if (statePtr->self == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
parent = Tcl_GetStackedChannel(statePtr->self);
|
| ︙ | | |
703
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705
706
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713
714
715
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|
725
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729
730
731
732
733
734
735
736
737
738
739
740
|
+
+
|
* Side effects:
* Cancels any pending timer.
*
*----------------------------------------------------------------------
*/
int EncryptNotifyProc(ClientData clientData, int interestMask) {
EncryptState *statePtr = (EncryptState *) clientData;
dprintf("Called");
/* Skip timer event as redundant */
if (statePtr->timer != (Tcl_TimerToken) NULL) {
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = (Tcl_TimerToken) NULL;
}
return interestMask;
|
| ︙ | | |
956
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961
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|
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986
987
988
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991
992
993
994
995
|
+
+
|
* Side effects:
* Destroys state info structure
*
*-------------------------------------------------------------------
*/
void EncryptCommandDeleteHandler(ClientData clientData) {
EncryptState *statePtr = (EncryptState *) clientData;
dprintf("Called");
/* Clean-up */
EncryptStateFree(statePtr);
}
/*
*-------------------------------------------------------------------
|
| ︙ | | |