TclTLS
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Comment:Merge 1.8
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SHA3-256: 3824e80ab512a21d807de01e7dc07170b4665be889bfed843c1e2cbf9568871b
User & Date: jan.nijtmans on 2024-02-12 10:39:08
Other Links: branch diff | manifest | tags
Context
2024-02-20
13:10
Merge 1.8 Closed-Leaf check-in: 08c2b4ad63 user: jan.nijtmans tags: codebykevin
2024-02-12
10:39
Merge 1.8 check-in: 3824e80ab5 user: jan.nijtmans tags: codebykevin
10:32
Merge 1.7. Forget about Tcl < 8.6 for this branch check-in: 01caf8a372 user: jan.nijtmans tags: trunk, main
2024-01-25
22:56
Extracted from https://www.codebykevin.com/fossil.cgi/tcltls check-in: 737ebb9576 user: jan.nijtmans tags: codebykevin
Changes
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Modified tls.c from [8a6e3d7442] to [66160cd5f2].

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    Tcl_Obj *cmdPtr;

    dprintf("Called");

    if (msg && *msg) {
	Tcl_SetErrorCode(statePtr->interp, "SSL", msg, (char *)NULL);
    } else {
	msg = Tcl_GetStringFromObj(Tcl_GetObjResult(statePtr->interp), (Tcl_Size *)NULL);
	msg = Tcl_GetString(Tcl_GetObjResult(statePtr->interp));
    }
    statePtr->err = msg;

    if (statePtr->callback == (Tcl_Obj*)NULL) {
	char buf[BUFSIZ];
	sprintf(buf, "SSL channel \"%s\": error: %s",
	    Tcl_GetChannelName(statePtr->self), msg);
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	dprintf("Called");

	if (objc != 2) {
		Tcl_WrongNumArgs(interp, 1, objv, "channel");
		return(TCL_ERROR);
	}

	chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], (Tcl_Size *)NULL), NULL);
	chan = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), NULL);
	if (chan == (Tcl_Channel) NULL) {
		return(TCL_ERROR);
	}

	/*
	 * Make sure to operate on the topmost channel
	 */
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#endif

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "channel ?options?");
	return TCL_ERROR;
    }

    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], (Tcl_Size *) NULL), NULL);
    chan = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), NULL);
    if (chan == (Tcl_Channel) NULL) {
	return TCL_ERROR;
    }

    /*
     * Make sure to operate on the topmost channel
     */
    chan = Tcl_GetTopChannel(chan);

    for (idx = 2; idx < objc; idx++) {
	char *opt = Tcl_GetStringFromObj(objv[idx], (Tcl_Size *)NULL);
	char *opt = Tcl_GetString(objv[idx]);

	if (opt[0] != '-')
	    break;

	OPTSTR( "-cadir", CAdir);
	OPTSTR( "-cafile", CAfile);
	OPTSTR( "-certfile", certfile);
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    char *channelName, *ciphers;
    int mode;

    dprintf("Called");

    switch (objc) {
	case 2:
	    channelName = Tcl_GetStringFromObj(objv[1], (Tcl_Size *) NULL);
	    channelName = Tcl_GetString(objv[1]);
	    break;

	case 3:
	    if (!strcmp (Tcl_GetString (objv[1]), "-local")) {
		channelName = Tcl_GetStringFromObj(objv[2], (Tcl_Size *)NULL);
		channelName = Tcl_GetString(objv[2]);
		break;
	    }
	    /* else fall... */
	default:
	    Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
	    return TCL_ERROR;
    }
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 *
 * Side effects:
 *	 create the ssl command, initialise ssl context
 *
 *-------------------------------------------------------------------
 */

int DLLEXPORT Tls_Init(Tcl_Interp *interp) {
DLLEXPORT int Tls_Init(Tcl_Interp *interp) {
	const char tlsTclInitScript[] = {
#include "tls.tcl.h"
            0x00
	};

        dprintf("Called");

	/*
	 * We only support Tcl 8.4 or newer
	 */
	if (
#ifdef USE_TCL_STUBS
	    Tcl_InitStubs(interp, "8.4", 0)
	    Tcl_InitStubs(interp, "8.6-", 0)
#else
	    Tcl_PkgRequire(interp, "Tcl", "8.4-", 0)
	    Tcl_PkgRequire(interp, "Tcl", "8.6-", 0)
#endif
	     == NULL) {
		return TCL_ERROR;
	}

	if (TlsLibInit(0) != TCL_OK) {
		Tcl_AppendResult(interp, "could not initialize SSL library", NULL);
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 *
 *	Result:
 *		A standard Tcl error code.
 *
 *------------------------------------------------------*
 */

int DLLEXPORT Tls_SafeInit(Tcl_Interp *interp) {
DLLEXPORT int Tls_SafeInit(Tcl_Interp *interp) {
	dprintf("Called");
	return(Tls_Init(interp));
}

/*
 *------------------------------------------------------*
 *
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Modified tls.h from [302eba7b94] to [625cff2305].

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#define _TLS_H

#include <tcl.h>

/*
 * Initialization routines -- our entire public C API.
 */
int DLLEXPORT Tls_Init(Tcl_Interp *interp);
int DLLEXPORT Tls_SafeInit(Tcl_Interp *interp);
DLLEXPORT int Tls_Init(Tcl_Interp *interp);
DLLEXPORT int Tls_SafeInit(Tcl_Interp *interp);

#endif /* _TLS_H */

Modified tlsIO.c from [89e9d74f31] to [8419ba5e25].

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 *	tclSSL (Colin McCormack, Shared Technology)
 *	SSLtcl (Peter Antman)
 *
 */

#include "tlsInt.h"


/*
 * Forward declarations
 */
static int  TlsBlockModeProc (ClientData instanceData, int mode);
#if TCL_MAJOR_VERSION < 9
static int  TlsCloseProc (ClientData instanceData, Tcl_Interp *interp);
#else
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		 * (2) With stubs we just determine the difference between the older
		 *     and modern variant and overallocate accordingly if compiled
		 *     against an older variant.
		 */
		size = sizeof(Tcl_ChannelType); /* Base size */

		tlsChannelType = (Tcl_ChannelType *) ckalloc(size);
		memset((void *) tlsChannelType, 0, size);
		memset(tlsChannelType, 0, size);

		/*
		 * Common elements of the structure (no changes in location or name)
		 * close2Proc, seekProc, setOptionProc stay NULL.
		 */

		tlsChannelType->typeName	= "tls";
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	if (statePtr->flags & TLS_TCL_CALLBACK) {
		dprintf("Returning 0 due to callback");
		return 0;
	}

	dprintf("Calling Tls_WaitForConnect");
	errorCode = 0;

	if (Tls_WaitForConnect(statePtr, &errorCode, 1) < 0) {
		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");
	}

	dprintf("Returning %i", mask);

	return(mask);
}
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