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/*
* Copyright (C) 1997-1999 Matt Newman <[email protected]>
* some modifications:
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2002 ActiveState Corporation
* Copyright (C) 2004 Starfish Systems
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.29 2008/03/19 21:31:24 hobbs2 Exp $
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.30 2008/03/19 22:06:13 hobbs2 Exp $
*
* TLS (aka SSL) Channel - can be layered on any bi-directional
* Tcl_Channel (Note: Requires Trf Core Patch)
*
* This was built (almost) from scratch based upon observation of
* OpenSSL 0.9.2B
*
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Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int VersionObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int MiscObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int UnimportObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static SSL_CTX *CTX_Init _ANSI_ARGS_((State *statePtr, int proto, char *key,
char *cert, char *CAdir, char *CAfile, char *ciphers));
#define TLS_PROTO_SSL2 0x01
#define TLS_PROTO_SSL3 0x02
#define TLS_PROTO_TLS1 0x04
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TCL_VOLATILE);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* UnimportObjCmd --
*
* This procedure is invoked to remove the topmost channel filter.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* May modify the behavior of an IO channel.
*
*-------------------------------------------------------------------
*/
static int
UnimportObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Channel chan; /* The channel to set a mode on. */
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), NULL);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
"\": not a TLS channel", NULL);
return TCL_ERROR;
}
if (Tcl_UnstackChannel(interp, chan) == TCL_ERROR) {
return TCL_ERROR;
}
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* CTX_Init -- construct a SSL_CTX instance
*
* Results:
* A valid SSL_CTX instance or NULL.
*
* Side effects:
* constructs SSL context (CTX)
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::handshake", HandshakeObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::unimport", UnimportObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
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