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/*
* Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
* some modifications:
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2002 ActiveState Corporation
*
* $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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/*
* Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
* some modifications:
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2002 ActiveState Corporation
* Copyright (C) 2003 Starfish Systems
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.15 2003/05/15 20:44:46 razzell 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 ImportObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int StatusObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static SSL_CTX *CTX_Init _ANSI_ARGS_((Tcl_Interp *interp, 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
#define ENABLED(flag, mask) (((flag) & (mask)) == (mask))
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Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int ImportObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int StatusObjCmd _ANSI_ARGS_ ((ClientData clientData,
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 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
#define ENABLED(flag, mask) (((flag) & (mask)) == (mask))
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if (where & SSL_CB_READ) minor = "read";
else if (where & SSL_CB_WRITE) minor = "write";
else if (where & SSL_CB_LOOP) minor = "loop";
else if (where & SSL_CB_EXIT) minor = "exit";
else minor = "unknown";
}
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( "info", -1));
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( Tcl_GetChannelName(statePtr->self), -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( major, -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( minor, -1) );
if (where & (SSL_CB_LOOP|SSL_CB_EXIT)) {
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( SSL_state_string_long(ssl), -1) );
} else if (where & SSL_CB_ALERT) {
char *cp = SSL_alert_desc_string_long(ret);
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( cp, -1) );
} else {
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( SSL_state_string_long(ssl), -1) );
}
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if (where & SSL_CB_READ) minor = "read";
else if (where & SSL_CB_WRITE) minor = "write";
else if (where & SSL_CB_LOOP) minor = "loop";
else if (where & SSL_CB_EXIT) minor = "exit";
else minor = "unknown";
}
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( "info", -1));
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( Tcl_GetChannelName(statePtr->self), -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( major, -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( minor, -1) );
if (where & (SSL_CB_LOOP|SSL_CB_EXIT)) {
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( SSL_state_string_long(ssl), -1) );
} else if (where & SSL_CB_ALERT) {
char *cp = (char *) SSL_alert_desc_string_long(ret);
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( cp, -1) );
} else {
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( SSL_state_string_long(ssl), -1) );
}
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}
/*
*-------------------------------------------------------------------
*
* PasswordCallback --
*
* Called when a password is needed to unpack RSA and PEM keys
* Evals the tcl proc: tls::password and returns the result as
* the password
*-------------------------------------------------------------------
*/
#ifdef PRE_OPENSSL_0_9_4
/*
* No way to handle user-data therefore no way without a global
* variable to access the Tcl interpreter.
*/
static int
PasswordCallback(char *buf, int size, int verify)
{
return -1;
}
#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) {
CONST char *ret = Tcl_GetStringResult(interp);
strncpy(buf, ret, size);
return strlen(ret);
} else {
return -1;
}
}
#endif
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}
/*
*-------------------------------------------------------------------
*
* PasswordCallback --
*
* Called when a password is needed to unpack RSA and PEM keys.
* Evals any bound password script and returns the result as
* the password string.
*-------------------------------------------------------------------
*/
#ifdef PRE_OPENSSL_0_9_4
/*
* No way to handle user-data therefore no way without a global
* variable to access the Tcl interpreter.
*/
static int
PasswordCallback(char *buf, int size, int verify)
{
return -1;
}
#else
static int
PasswordCallback(char *buf, int size, int verify, void *udata)
{
State *statePtr = (State *) udata;
Tcl_Interp *interp = statePtr->interp;
Tcl_Obj *cmdPtr;
int result;
if (statePtr->password == NULL) {
if (Tcl_Eval(interp, "tls::password") == TCL_OK) {
char *ret = (char *) Tcl_GetStringResult(interp);
strncpy(buf, ret, size);
return strlen(ret);
} else {
return -1;
}
}
cmdPtr = Tcl_DuplicateObj(statePtr->password);
Tcl_Preserve((ClientData) statePtr->interp);
Tcl_Preserve((ClientData) statePtr);
Tcl_IncrRefCount(cmdPtr);
result = Tcl_GlobalEvalObj(interp, cmdPtr);
if (result != TCL_OK) {
Tcl_BackgroundError(statePtr->interp);
}
Tcl_DecrRefCount(cmdPtr);
Tcl_Release((ClientData) statePtr);
Tcl_Release((ClientData) statePtr->interp);
if (result == TCL_OK) {
char *ret = (char *) Tcl_GetStringResult(interp);
strncpy(buf, ret, size);
return strlen(ret);
} else {
return -1;
}
}
#endif
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int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Channel chan; /* The channel to set a mode on. */
State *statePtr; /* client state for ssl socket */
SSL_CTX *ctx = NULL;
Tcl_Obj *script = NULL;
int idx;
int flags = TLS_TCL_INIT;
int server = 0; /* is connection incoming or outgoing? */
char *key = NULL;
char *cert = NULL;
char *ciphers = NULL;
char *CAfile = NULL;
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int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Channel chan; /* The channel to set a mode on. */
State *statePtr; /* client state for ssl socket */
SSL_CTX *ctx = NULL;
Tcl_Obj *script = NULL;
Tcl_Obj *password = NULL;
int idx;
int flags = TLS_TCL_INIT;
int server = 0; /* is connection incoming or outgoing? */
char *key = NULL;
char *cert = NULL;
char *ciphers = NULL;
char *CAfile = NULL;
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for (idx = 2; idx < objc; idx++) {
char *opt = Tcl_GetStringFromObj(objv[idx], NULL);
if (opt[0] != '-')
break;
OPTSTR( "-cafile", CAfile);
OPTSTR( "-cadir", CAdir);
OPTSTR( "-certfile", cert);
OPTSTR( "-cipher", ciphers);
OPTOBJ( "-command", script);
OPTSTR( "-keyfile", key);
OPTSTR( "-model", model);
OPTBOOL( "-require", require);
OPTBOOL( "-request", request);
OPTBOOL( "-server", server);
OPTBOOL( "-ssl2", ssl2);
OPTBOOL( "-ssl3", ssl3);
OPTBOOL( "-tls1", tls1);
OPTBAD( "option", "-cafile, -cadir, -certfile, -cipher, -command, -keyfile, -model, -require, -request, -ssl2, -ssl3, -server, or -tls1");
return TCL_ERROR;
}
if (request) verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
if (verify == 0) verify = SSL_VERIFY_NONE;
proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
/* reset to NULL if blank string provided */
if (cert && !*cert) cert = NULL;
if (key && !*key) key = NULL;
if (ciphers && !*ciphers) ciphers = NULL;
if (CAfile && !*CAfile) CAfile = NULL;
if (CAdir && !*CAdir) CAdir = NULL;
if (model != NULL) {
int mode;
/* Get the "model" context */
chan = Tcl_GetChannel(interp, model, &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);
ctx = statePtr->ctx;
} else {
if ((ctx = CTX_Init(interp, proto, key, cert, CAdir, CAfile, ciphers))
== (SSL_CTX*)0) {
return TCL_ERROR;
}
}
/* new SSL state */
statePtr = (State *) Tcl_Alloc((unsigned) sizeof(State));
statePtr->self = (Tcl_Channel)NULL;
statePtr->timer = (Tcl_TimerToken)NULL;
statePtr->flags = flags;
statePtr->watchMask = 0;
statePtr->mode = 0;
statePtr->interp = interp;
statePtr->callback = (Tcl_Obj *)0;
statePtr->vflags = verify;
statePtr->ssl = (SSL*)0;
statePtr->ctx = ctx;
statePtr->bio = (BIO*)0;
statePtr->p_bio = (BIO*)0;
statePtr->err = "";
/*
* We need to make sure that the channel works in binary (for the
* encryption not to get goofed up).
* We only want to adjust the buffering in pre-v2 channels, where
* each channel in the stack maintained its own buffers.
*/
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for (idx = 2; idx < objc; idx++) {
char *opt = Tcl_GetStringFromObj(objv[idx], NULL);
if (opt[0] != '-')
break;
OPTSTR( "-cadir", CAdir);
OPTSTR( "-cafile", CAfile);
OPTSTR( "-certfile", cert);
OPTSTR( "-cipher", ciphers);
OPTOBJ( "-command", script);
OPTSTR( "-keyfile", key);
OPTSTR( "-model", model);
OPTOBJ( "-password", password);
OPTBOOL( "-require", require);
OPTBOOL( "-request", request);
OPTBOOL( "-server", server);
OPTBOOL( "-ssl2", ssl2);
OPTBOOL( "-ssl3", ssl3);
OPTBOOL( "-tls1", tls1);
OPTBAD( "option", "-cadir, -cafile, -certfile, -cipher, -command, -keyfile, -model, -password, -require, -request, -server, -ssl2, -ssl3, or -tls1");
return TCL_ERROR;
}
if (request) verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
if (verify == 0) verify = SSL_VERIFY_NONE;
proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
/* reset to NULL if blank string provided */
if (cert && !*cert) cert = NULL;
if (key && !*key) key = NULL;
if (ciphers && !*ciphers) ciphers = NULL;
if (CAfile && !*CAfile) CAfile = NULL;
if (CAdir && !*CAdir) CAdir = NULL;
/* new SSL state */
statePtr = (State *) Tcl_Alloc((unsigned) sizeof(State));
statePtr->self = (Tcl_Channel)NULL;
statePtr->timer = (Tcl_TimerToken)NULL;
statePtr->flags = flags;
statePtr->watchMask = 0;
statePtr->mode = 0;
statePtr->interp = interp;
statePtr->callback = (Tcl_Obj *)0;
statePtr->password = (Tcl_Obj *)0;
statePtr->vflags = verify;
statePtr->ssl = (SSL*)0;
statePtr->ctx = (SSL_CTX*)0;
statePtr->bio = (BIO*)0;
statePtr->p_bio = (BIO*)0;
statePtr->err = "";
/* allocate script */
if (script) {
char *tmp = Tcl_GetStringFromObj(script, NULL);
if (tmp && *tmp) {
statePtr->callback = Tcl_DuplicateObj(script);
Tcl_IncrRefCount(statePtr->callback);
}
}
/* allocate password */
if (password) {
char *tmp = Tcl_GetStringFromObj(password, NULL);
if (tmp && *tmp) {
statePtr->password = Tcl_DuplicateObj(password);
Tcl_IncrRefCount(statePtr->password);
}
}
if (model != NULL) {
int mode;
/* Get the "model" context */
chan = Tcl_GetChannel(interp, model, &mode);
if (chan == (Tcl_Channel) NULL) {
Tls_Free((char *) statePtr);
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);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
} else {
if ((ctx = CTX_Init(statePtr, proto, key, cert, CAdir, CAfile, ciphers))
== (SSL_CTX*)0) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
/*
* We need to make sure that the channel works in binary (for the
* encryption not to get goofed up).
* We only want to adjust the buffering in pre-v2 channels, where
* each channel in the stack maintained its own buffers.
*/
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/*
* No use of Tcl_EventuallyFree because no possible Tcl_Preserve.
*/
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/* allocate script */
if (script) {
char *tmp = Tcl_GetStringFromObj(script, NULL);
if (tmp && *tmp) {
statePtr->callback = Tcl_DuplicateObj(script);
Tcl_IncrRefCount(statePtr->callback);
}
}
/* This is only needed because of a bug in OpenSSL, where the
* ssl->verify_callback is not referenced!!! (Must be done
* *before* SSL_new() is called!
*/
SSL_CTX_set_verify(statePtr->ctx, verify, VerifyCallback);
/*
* SSL Initialization
*/
statePtr->ssl = SSL_new(statePtr->ctx);
if (!statePtr->ssl) {
/* SSL library error */
Tcl_AppendResult(interp, "couldn't construct ssl session: ", REASON(),
(char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/*
* SSL Callbacks
*/
SSL_set_app_data(statePtr->ssl, (VOID *)statePtr); /* point back to us */
/*
* The following is broken - we need is to set the
* verify_mode, but the library ignores the verify_callback!!!
*/
/*SSL_set_verify(statePtr->ssl, verify, VerifyCallback);*/
SSL_CTX_set_info_callback(statePtr->ctx, InfoCallback);
/* Create Tcl_Channel BIO Handler */
statePtr->p_bio = BIO_new_tcl(statePtr, BIO_CLOSE);
statePtr->bio = BIO_new(BIO_f_ssl());
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/*
* No use of Tcl_EventuallyFree because no possible Tcl_Preserve.
*/
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/*
* SSL Initialization
*/
statePtr->ssl = SSL_new(statePtr->ctx);
if (!statePtr->ssl) {
/* SSL library error */
Tcl_AppendResult(interp, "couldn't construct ssl session: ", REASON(),
(char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/*
* SSL Callbacks
*/
SSL_set_app_data(statePtr->ssl, (VOID *)statePtr); /* point back to us */
SSL_set_verify(statePtr->ssl, verify, VerifyCallback);
SSL_CTX_set_info_callback(statePtr->ctx, InfoCallback);
/* Create Tcl_Channel BIO Handler */
statePtr->p_bio = BIO_new_tcl(statePtr, BIO_CLOSE);
statePtr->bio = BIO_new(BIO_f_ssl());
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* Side effects:
* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(interp, proto, key, cert, CAdir, CAfile, ciphers)
Tcl_Interp *interp;
int proto;
char *key;
char *cert;
char *CAdir;
char *CAfile;
char *ciphers;
{
SSL_CTX *ctx = NULL;
Tcl_DString ds;
Tcl_DString ds1;
int off = 0;
/* create SSL context */
#if !defined(NO_SSL2) && !defined(NO_SSL3)
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* Side effects:
* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(statePtr, proto, key, cert, CAdir, CAfile, ciphers)
State *statePtr;
int proto;
char *key;
char *cert;
char *CAdir;
char *CAfile;
char *ciphers;
{
Tcl_Interp *interp = statePtr->interp;
SSL_CTX *ctx = NULL;
Tcl_DString ds;
Tcl_DString ds1;
int off = 0;
/* create SSL context */
#if !defined(NO_SSL2) && !defined(NO_SSL3)
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if (ciphers != NULL)
SSL_CTX_set_cipher_list(ctx, ciphers);
/* set some callbacks */
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallback);
#ifndef BSAFE
SSL_CTX_set_default_passwd_cb_userdata(ctx, (void *)interp);
#endif
#ifndef NO_DH
{
DH* dh = get_dh512();
SSL_CTX_set_tmp_dh(ctx, dh);
DH_free(dh);
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if (ciphers != NULL)
SSL_CTX_set_cipher_list(ctx, ciphers);
/* set some callbacks */
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallback);
#ifndef BSAFE
SSL_CTX_set_default_passwd_cb_userdata(ctx, (void *)statePtr);
#endif
#ifndef NO_DH
{
DH* dh = get_dh512();
SSL_CTX_set_tmp_dh(ctx, dh);
DH_free(dh);
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/* get the private key associated with this certificate */
if (key == NULL) key=cert;
if (SSL_CTX_use_PrivateKey_file(ctx, F2N( key, &ds),
SSL_FILETYPE_PEM) <= 0) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp,
"unable to set public key file ", key, " ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
Tcl_DStringFree(&ds);
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/* get the private key associated with this certificate */
if (key == NULL) key=cert;
if (SSL_CTX_use_PrivateKey_file(ctx, F2N( key, &ds),
SSL_FILETYPE_PEM) <= 0) {
Tcl_DStringFree(&ds);
/* flush the passphrase which might be left in the result */
Tcl_SetResult(interp, NULL, TCL_STATIC);
Tcl_AppendResult(interp,
"unable to set public key file ", key, " ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
Tcl_DStringFree(&ds);
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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));
}
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* Tls_Free --
*
* This procedure cleans up when a SSL socket based channel
|
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>
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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));
}
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* VersionObjCmd -- return version string from OpenSSL.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
VersionObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Obj *objPtr;
objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* Tls_Free --
*
* This procedure cleans up when a SSL socket based channel
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statePtr->timer = NULL;
}
if (statePtr->ssl) {
SSL_shutdown(statePtr->ssl);
SSL_free(statePtr->ssl);
statePtr->ssl = NULL;
}
if (statePtr->callback) {
Tcl_DecrRefCount(statePtr->callback);
statePtr->callback = NULL;
}
}
/*
*-------------------------------------------------------------------
*
* Tls_Init --
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statePtr->timer = NULL;
}
if (statePtr->ssl) {
SSL_shutdown(statePtr->ssl);
SSL_free(statePtr->ssl);
statePtr->ssl = NULL;
}
if (statePtr->ctx) {
SSL_CTX_free(statePtr->ctx);
statePtr->ctx = NULL;
}
if (statePtr->callback) {
Tcl_DecrRefCount(statePtr->callback);
statePtr->callback = NULL;
}
if (statePtr->password) {
Tcl_DecrRefCount(statePtr->password);
statePtr->password = NULL;
}
}
/*
*-------------------------------------------------------------------
*
* Tls_Init --
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd,
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
return Tcl_PkgProvide(interp, PACKAGE, VERSION);
}
/*
*------------------------------------------------------*
*
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd,
(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);
return Tcl_PkgProvide(interp, PACKAGE, VERSION);
}
/*
*------------------------------------------------------*
*
|
︙ | | | ︙ | |