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/*
* Copyright (C) 1997-1999 Matt Newman <[email protected]>
* some modifications:
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2002 ActiveState Corporation
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.13 2001/03/14 22:04:35 hobbs Exp $
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.14 2002/02/04 22:46:31 hobbs 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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#else
static int
PasswordCallback(char *buf, int size, int verify, void *udata)
{
Tcl_Interp *interp = (Tcl_Interp*)udata;
if (Tcl_Eval(interp, "tls::password") == TCL_OK) {
char *ret = Tcl_GetStringResult(interp);
CONST char *ret = Tcl_GetStringResult(interp);
strncpy(buf, ret, size);
return strlen(ret);
} else {
return -1;
}
}
#endif
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static int
CiphersObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
static char *protocols[] = {
"ssl2",
static CONST char *protocols[] = {
"ssl2", "ssl3", "tls1", NULL
"ssl3",
"tls1",
NULL
};
enum protocol {
TLS_SSL2,
TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_NONE
TLS_SSL3,
TLS_TLS1,
TLS_NONE
};
Tcl_Obj *objPtr;
SSL_CTX *ctx = NULL;
SSL *ssl = NULL;
STACK_OF(SSL_CIPHER) *sk;
char *cp, buf[BUFSIZ];
int index, verbose = 0;
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}
statePtr = (State *)Tcl_GetChannelInstanceData(chan);
if (!SSL_is_init_finished(statePtr->ssl)) {
int err;
ret = Tls_WaitForConnect(statePtr, &err);
if (ret < 0) {
char *errStr = statePtr->err;
CONST char *errStr = statePtr->err;
Tcl_ResetResult(interp);
Tcl_SetErrno(err);
if (!errStr || *errStr == 0) {
errStr = Tcl_PosixError(interp);
}
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}
SSL_set_bio(statePtr->ssl, statePtr->p_bio, statePtr->p_bio);
BIO_set_ssl(statePtr->bio, statePtr->ssl, BIO_CLOSE);
/*
* End of SSL Init
*/
Tcl_SetResult(interp, Tcl_GetChannelName(statePtr->self), TCL_VOLATILE);
Tcl_SetResult(interp, (char *) Tcl_GetChannelName(statePtr->self),
TCL_VOLATILE);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* CTX_Init -- construct a SSL_CTX instance
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State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
return TCL_ERROR;
switch (objc) {
case 2:
channelName = Tcl_GetStringFromObj(objv[1], NULL);
break;
case 3:
if (!strcmp (Tcl_GetString (objv[1]), "-local")) {
channelName = Tcl_GetStringFromObj(objv[2], NULL);
break;
}
/* else fall... */
default:
Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
return TCL_ERROR;
}
channelName = Tcl_GetStringFromObj(objv[1], NULL);
chan = Tcl_GetChannel(interp, channelName, &mode);
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;
}
statePtr = (State *) Tcl_GetChannelInstanceData(chan);
if (objc == 2)
peer = SSL_get_peer_certificate(statePtr->ssl);
peer = SSL_get_peer_certificate(statePtr->ssl);
else
peer = SSL_get_certificate(statePtr->ssl);
if (peer) {
objPtr = Tls_NewX509Obj(interp, peer);
} else {
objPtr = Tcl_NewListObj(0, NULL);
}
Tcl_ListObjAppendElement (interp, objPtr, Tcl_NewStringObj ("sbits", -1));
Tcl_ListObjAppendElement (interp, objPtr,
Tcl_NewIntObj (SSL_get_cipher_bits (statePtr->ssl, NULL)));
ciphers = (char*)SSL_get_cipher(statePtr->ssl);
if (ciphers != NULL && strcmp(ciphers, "(NONE)")!=0) {
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("cipher", -1));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj(SSL_get_cipher(statePtr->ssl), -1));
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