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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
*
* 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 <[email protected]>
* some modifications:
* Copyright (C) 2000 Ajuba Solutions
* Copyright (C) 2002 ActiveState Corporation
* Copyright (C) 2004 Starfish Systems
*
* 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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*/
#define F2N( key, dsp) \
(((key) == NULL) ? (char *) NULL : \
Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON() ERR_reason_error_string(ERR_get_error())
static void InfoCallback(CONST SSL *ssl, int where, int ret);
static int CiphersObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int HandshakeObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int ImportObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int StatusObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int VersionObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int MiscObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int UnimportObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static SSL_CTX *CTX_Init(State *statePtr, int isServer, int proto, char *key,
char *certfile, unsigned char *key_asn1, unsigned char *cert_asn1,
int key_asn1_len, int cert_asn1_len, char *CAdir, char *CAfile,
char *ciphers, char *DHparams);
static int TlsLibInit(int uninitialize);
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*/
#define F2N( key, dsp) \
(((key) == NULL) ? (char *) NULL : \
Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON() ERR_reason_error_string(ERR_get_error())
static void InfoCallback(const SSL *ssl, int where, int ret);
static Tcl_ObjCmdProc CiphersObjCmd;
static Tcl_ObjCmdProc HandshakeObjCmd;
static Tcl_ObjCmdProc ImportObjCmd;
static Tcl_ObjCmdProc StatusObjCmd;
static Tcl_ObjCmdProc VersionObjCmd;
static Tcl_ObjCmdProc MiscObjCmd;
static Tcl_ObjCmdProc UnimportObjCmd;
static SSL_CTX *CTX_Init(State *statePtr, int isServer, int proto, char *key,
char *certfile, unsigned char *key_asn1, unsigned char *cert_asn1,
int key_asn1_len, int cert_asn1_len, char *CAdir, char *CAfile,
char *ciphers, char *DHparams);
static int TlsLibInit(int uninitialize);
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* None
*
* Side effects:
* Calls callback (if defined)
*-------------------------------------------------------------------
*/
static void
InfoCallback(CONST SSL *ssl, int where, int ret)
{
State *statePtr = (State*)SSL_get_app_data((SSL *)ssl);
Tcl_Obj *cmdPtr;
char *major; char *minor;
dprintf("Called");
if (statePtr->callback == (Tcl_Obj*)NULL)
return;
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
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* None
*
* Side effects:
* Calls callback (if defined)
*-------------------------------------------------------------------
*/
static void
InfoCallback(const SSL *ssl, int where, int ret)
{
State *statePtr = (State*)SSL_get_app_data((SSL *)ssl);
Tcl_Obj *cmdPtr;
const char *major, *minor;
dprintf("Called");
if (statePtr->callback == (Tcl_Obj*)NULL)
return;
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
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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) {
CONST 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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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) {
const 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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*-------------------------------------------------------------------
*/
static int
VerifyCallback(int ok, X509_STORE_CTX *ctx)
{
Tcl_Obj *cmdPtr, *result;
char *errStr, *string;
int length;
SSL *ssl = (SSL*)X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
X509 *cert = X509_STORE_CTX_get_current_cert(ctx);
State *statePtr = (State*)SSL_get_app_data(ssl);
int depth = X509_STORE_CTX_get_error_depth(ctx);
int err = X509_STORE_CTX_get_error(ctx);
dprintf("Verify: %d", ok);
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*-------------------------------------------------------------------
*/
static int
VerifyCallback(int ok, X509_STORE_CTX *ctx)
{
Tcl_Obj *cmdPtr, *result;
char *errStr, *string;
Tcl_Size length;
SSL *ssl = (SSL*)X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
X509 *cert = X509_STORE_CTX_get_current_cert(ctx);
State *statePtr = (State*)SSL_get_app_data(ssl);
int depth = X509_STORE_CTX_get_error_depth(ctx);
int err = X509_STORE_CTX_get_error(ctx);
dprintf("Verify: %d", ok);
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return ok;
} else {
return 1;
}
}
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( "verify", -1));
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( Tcl_GetChannelName(statePtr->self), -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewIntObj( depth) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tls_NewX509Obj( statePtr->interp, cert) );
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return ok;
} else {
return 1;
}
}
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( "verify", -1));
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewStringObj( Tcl_GetChannelName(statePtr->self), -1) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tcl_NewIntObj( depth) );
Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
Tls_NewX509Obj( statePtr->interp, cert) );
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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), NULL);
}
statePtr->err = msg;
if (statePtr->callback == (Tcl_Obj*)NULL) {
char buf[BUFSIZ];
sprintf(buf, "SSL channel \"%s\": error: %s",
Tcl_GetChannelName(statePtr->self), msg);
Tcl_SetResult( statePtr->interp, buf, TCL_VOLATILE);
Tcl_BackgroundError( statePtr->interp);
return;
}
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj("error", -1));
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj(Tcl_GetChannelName(statePtr->self), -1));
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj(msg, -1));
Tcl_Preserve((ClientData) statePtr->interp);
Tcl_Preserve((ClientData) statePtr);
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Tcl_Obj *cmdPtr;
dprintf("Called");
if (msg && *msg) {
Tcl_SetErrorCode(statePtr->interp, "SSL", msg, (char *)NULL);
} else {
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);
Tcl_SetResult( statePtr->interp, buf, TCL_VOLATILE);
Tcl_BackgroundError( statePtr->interp);
return;
}
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj("error", -1));
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj(Tcl_GetChannelName(statePtr->self), -1));
Tcl_ListObjAppendElement(statePtr->interp, cmdPtr,
Tcl_NewStringObj(msg, -1));
Tcl_Preserve((ClientData) statePtr->interp);
Tcl_Preserve((ClientData) statePtr);
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Tcl_Release((ClientData) statePtr);
Tcl_Release((ClientData) statePtr->interp);
}
/*
*-------------------------------------------------------------------
*
* 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
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Tcl_Release((ClientData) statePtr);
Tcl_Release((ClientData) statePtr->interp);
}
/*
*-------------------------------------------------------------------
*
* 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
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*
* Side effects:
* constructs and destroys SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static int
CiphersObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
static CONST84 char *protocols[] = {
"ssl2", "ssl3", "tls1", "tls1.1", "tls1.2", "tls1.3", NULL
};
enum protocol {
TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_TLS1_1, TLS_TLS1_2, TLS_TLS1_3, TLS_NONE
};
Tcl_Obj *objPtr;
SSL_CTX *ctx = NULL;
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*
* Side effects:
* constructs and destroys SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static int
CiphersObjCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const objv[])
{
static const char *protocols[] = {
"ssl2", "ssl3", "tls1", "tls1.1", "tls1.2", "tls1.3", NULL
};
enum protocol {
TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_TLS1_1, TLS_TLS1_2, TLS_TLS1_3, TLS_NONE
};
Tcl_Obj *objPtr;
SSL_CTX *ctx = NULL;
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if (objc > 2 && Tcl_GetBooleanFromObj( interp, objv[2],
&verbose) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum protocol)index) {
case TLS_SSL2:
#if defined(NO_SSL2)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv2_method()); break;
#endif
case TLS_SSL3:
#if defined(NO_SSL3)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv3_method()); break;
#endif
case TLS_TLS1:
#if defined(NO_TLS1)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_method()); break;
#endif
case TLS_TLS1_1:
#if defined(NO_TLS1_1)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_1_method()); break;
#endif
case TLS_TLS1_2:
#if defined(NO_TLS1_2)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_2_method()); break;
#endif
case TLS_TLS1_3:
#if defined(NO_TLS1_3)
Tcl_AppendResult(interp, "protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLS_method()); break;
SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
#endif
default:
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if (objc > 2 && Tcl_GetBooleanFromObj( interp, objv[2],
&verbose) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum protocol)index) {
case TLS_SSL2:
#if defined(NO_SSL2)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv2_method()); break;
#endif
case TLS_SSL3:
#if defined(NO_SSL3)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv3_method()); break;
#endif
case TLS_TLS1:
#if defined(NO_TLS1)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_method()); break;
#endif
case TLS_TLS1_1:
#if defined(NO_TLS1_1)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_1_method()); break;
#endif
case TLS_TLS1_2:
#if defined(NO_TLS1_2)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLSv1_2_method()); break;
#endif
case TLS_TLS1_3:
#if defined(NO_TLS1_3)
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(TLS_method()); break;
SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
#endif
default:
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Tcl_ListObjAppendElement( interp, objPtr,
Tcl_NewStringObj( cp, -1) );
}
} else {
sk = SSL_get_ciphers(ssl);
for (index = 0; index < sk_SSL_CIPHER_num(sk); index++) {
register size_t i;
SSL_CIPHER_description( sk_SSL_CIPHER_value( sk, index),
buf, sizeof(buf));
for (i = strlen(buf) - 1; i ; i--) {
if (buf[i] == ' ' || buf[i] == '\n' ||
buf[i] == '\r' || buf[i] == '\t') {
buf[i] = '\0';
} else {
break;
}
}
Tcl_ListObjAppendElement( interp, objPtr,
Tcl_NewStringObj( buf, -1) );
}
}
SSL_free(ssl);
SSL_CTX_free(ctx);
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* HandshakeObjCmd --
*
* This command is used to verify whether the handshake is complete
* or not.
*
* Results:
* A standard Tcl result. 1 means handshake complete, 0 means pending.
*
* Side effects:
* May force SSL negotiation to take place.
*
*-------------------------------------------------------------------
*/
static int HandshakeObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
Tcl_Channel chan; /* The channel to set a mode on. */
State *statePtr; /* client state for ssl socket */
CONST char *errStr = NULL;
int ret = 1;
int err = 0;
dprintf("Called");
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
return(TCL_ERROR);
}
chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
if (chan == (Tcl_Channel) NULL) {
return(TCL_ERROR);
}
/*
* 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);
dprintf("Calling Tls_WaitForConnect");
ret = Tls_WaitForConnect(statePtr, &err, 1);
dprintf("Tls_WaitForConnect returned: %i", ret);
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Tcl_ListObjAppendElement( interp, objPtr,
Tcl_NewStringObj( cp, -1) );
}
} else {
sk = SSL_get_ciphers(ssl);
for (index = 0; index < sk_SSL_CIPHER_num(sk); index++) {
size_t i;
SSL_CIPHER_description( sk_SSL_CIPHER_value( sk, index),
buf, sizeof(buf));
for (i = strlen(buf) - 1; i ; i--) {
if (buf[i] == ' ' || buf[i] == '\n' ||
buf[i] == '\r' || buf[i] == '\t') {
buf[i] = '\0';
} else {
break;
}
}
Tcl_ListObjAppendElement( interp, objPtr,
Tcl_NewStringObj( buf, -1) );
}
}
SSL_free(ssl);
SSL_CTX_free(ctx);
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* HandshakeObjCmd --
*
* This command is used to verify whether the handshake is complete
* or not.
*
* Results:
* A standard Tcl result. 1 means handshake complete, 0 means pending.
*
* Side effects:
* May force SSL negotiation to take place.
*
*-------------------------------------------------------------------
*/
static int HandshakeObjCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const objv[])
{
Tcl_Channel chan; /* The channel to set a mode on. */
State *statePtr; /* client state for ssl socket */
const char *errStr = NULL;
int ret = 1;
int err = 0;
dprintf("Called");
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);
}
/*
* 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", (char *)NULL);
return(TCL_ERROR);
}
statePtr = (State *)Tcl_GetChannelInstanceData(chan);
dprintf("Calling Tls_WaitForConnect");
ret = Tls_WaitForConnect(statePtr, &err, 1);
dprintf("Tls_WaitForConnect returned: %i", ret);
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ret = 1;
}
dprintf("Returning TCL_OK with data \"%i\"", ret);
Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
return(TCL_OK);
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* ImportObjCmd --
*
|
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ret = 1;
}
dprintf("Returning TCL_OK with data \"%i\"", ret);
Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
return(TCL_OK);
}
/*
*-------------------------------------------------------------------
*
* ImportObjCmd --
*
|
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|
* Side effects:
* May modify the behavior of an IO channel.
*
*-------------------------------------------------------------------
*/
static int
ImportObjCmd(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. */
State *statePtr; /* client state for ssl socket */
SSL_CTX *ctx = NULL;
Tcl_Obj *script = NULL;
Tcl_Obj *password = NULL;
Tcl_DString upperChannelTranslation, upperChannelBlocking, upperChannelEncoding, upperChannelEOFChar;
int idx, len;
int flags = TLS_TCL_INIT;
int server = 0; /* is connection incoming or outgoing? */
char *keyfile = NULL;
char *certfile = NULL;
unsigned char *key = NULL;
int key_len = 0;
unsigned char *cert = NULL;
int cert_len = 0;
char *ciphers = NULL;
char *CAfile = NULL;
char *CAdir = NULL;
char *DHparams = NULL;
char *model = NULL;
#ifndef OPENSSL_NO_TLSEXT
char *servername = NULL; /* hostname for Server Name Indication */
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* Side effects:
* May modify the behavior of an IO channel.
*
*-------------------------------------------------------------------
*/
static int
ImportObjCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
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;
Tcl_DString upperChannelTranslation, upperChannelBlocking, upperChannelEncoding, upperChannelEOFChar;
int idx;
Tcl_Size len;
int flags = TLS_TCL_INIT;
int server = 0; /* is connection incoming or outgoing? */
char *keyfile = NULL;
char *certfile = NULL;
unsigned char *key = NULL;
Tcl_Size key_len = 0;
unsigned char *cert = NULL;
Tcl_Size cert_len = 0;
char *ciphers = NULL;
char *CAfile = NULL;
char *CAdir = NULL;
char *DHparams = NULL;
char *model = NULL;
#ifndef OPENSSL_NO_TLSEXT
char *servername = NULL; /* hostname for Server Name Indication */
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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], NULL), 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], NULL);
if (opt[0] != '-')
break;
OPTSTR( "-cadir", CAdir);
OPTSTR( "-cafile", CAfile);
OPTSTR( "-certfile", certfile);
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|
#endif
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel ?options?");
return TCL_ERROR;
}
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_GetString(objv[idx]);
if (opt[0] != '-')
break;
OPTSTR( "-cadir", CAdir);
OPTSTR( "-cafile", CAfile);
OPTSTR( "-certfile", certfile);
|
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|
#endif
OPTBOOL( "-ssl2", ssl2);
OPTBOOL( "-ssl3", ssl3);
OPTBOOL( "-tls1", tls1);
OPTBOOL( "-tls1.1", tls1_1);
OPTBOOL( "-tls1.2", tls1_2);
OPTBOOL( "-tls1.3", tls1_3);
OPTBYTE("-cert", cert, cert_len);
OPTBYTE("-key", key, key_len);
OPTBAD( "option", "-cadir, -cafile, -cert, -certfile, -cipher, -command, -dhparams, -key, -keyfile, -model, -password, -require, -request, -server, -servername, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, or tls1.3");
return TCL_ERROR;
}
if (request) verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
|
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|
#endif
OPTBOOL( "-ssl2", ssl2);
OPTBOOL( "-ssl3", ssl3);
OPTBOOL( "-tls1", tls1);
OPTBOOL( "-tls1.1", tls1_1);
OPTBOOL( "-tls1.2", tls1_2);
OPTBOOL( "-tls1.3", tls1_3)
OPTBYTE("-cert", cert, cert_len);
OPTBYTE("-key", key, key_len);
OPTBAD( "option", "-cadir, -cafile, -cert, -certfile, -cipher, -command, -dhparams, -key, -keyfile, -model, -password, -require, -request, -server, -servername, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, or tls1.3");
return TCL_ERROR;
}
if (request) verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
|
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}
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;
}
/*
* 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, server, proto, keyfile, certfile, key,
cert, key_len, cert_len, CAdir, CAfile, ciphers,
DHparams)) == (SSL_CTX*)0) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
/*
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}
if (model != NULL) {
int mode;
/* Get the "model" context */
chan = Tcl_GetChannel(interp, model, &mode);
if (chan == (Tcl_Channel) NULL) {
Tls_Free((void *)statePtr);
return TCL_ERROR;
}
/*
* 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", (char *)NULL);
Tls_Free((void *)statePtr);
return TCL_ERROR;
}
ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
} else {
if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key,
cert, key_len, cert_len, CAdir, CAfile, ciphers,
DHparams)) == (SSL_CTX*)0) {
Tls_Free((void *)statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
/*
|
︙ | | | ︙ | |
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|
Tcl_GetChannelOption(interp, chan, "-eofchar", &upperChannelEOFChar);
Tcl_GetChannelOption(interp, chan, "-encoding", &upperChannelEncoding);
Tcl_GetChannelOption(interp, chan, "-translation", &upperChannelTranslation);
Tcl_GetChannelOption(interp, chan, "-blocking", &upperChannelBlocking);
Tcl_SetChannelOption(interp, chan, "-translation", "binary");
Tcl_SetChannelOption(interp, chan, "-blocking", "true");
dprintf("Consuming Tcl channel %s", Tcl_GetChannelName(chan));
statePtr->self = Tcl_StackChannel(interp, Tls_ChannelType(), (ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE), chan);
dprintf("Created channel named %s", Tcl_GetChannelName(statePtr->self));
if (statePtr->self == (Tcl_Channel) NULL) {
/*
* No use of Tcl_EventuallyFree because no possible Tcl_Preserve.
*/
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
Tcl_SetChannelOption(interp, statePtr->self, "-translation", Tcl_DStringValue(&upperChannelTranslation));
Tcl_SetChannelOption(interp, statePtr->self, "-encoding", Tcl_DStringValue(&upperChannelEncoding));
Tcl_SetChannelOption(interp, statePtr->self, "-eofchar", Tcl_DStringValue(&upperChannelEOFChar));
Tcl_SetChannelOption(interp, statePtr->self, "-blocking", Tcl_DStringValue(&upperChannelBlocking));
/*
* 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;
}
#ifndef OPENSSL_NO_TLSEXT
if (servername) {
if (!SSL_set_tlsext_host_name(statePtr->ssl, servername) && require) {
Tcl_AppendResult(interp, "setting TLS host name extension failed",
(char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
#endif
/*
* 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_NOCLOSE);
|
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|
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|
Tcl_GetChannelOption(interp, chan, "-eofchar", &upperChannelEOFChar);
Tcl_GetChannelOption(interp, chan, "-encoding", &upperChannelEncoding);
Tcl_GetChannelOption(interp, chan, "-translation", &upperChannelTranslation);
Tcl_GetChannelOption(interp, chan, "-blocking", &upperChannelBlocking);
Tcl_SetChannelOption(interp, chan, "-translation", "binary");
Tcl_SetChannelOption(interp, chan, "-blocking", "true");
dprintf("Consuming Tcl channel %s", Tcl_GetChannelName(chan));
statePtr->self = Tcl_StackChannel(interp, Tls_ChannelType(), statePtr, (TCL_READABLE | TCL_WRITABLE), chan);
dprintf("Created channel named %s", Tcl_GetChannelName(statePtr->self));
if (statePtr->self == (Tcl_Channel) NULL) {
/*
* No use of Tcl_EventuallyFree because no possible Tcl_Preserve.
*/
Tls_Free((void *)statePtr);
return TCL_ERROR;
}
Tcl_SetChannelOption(interp, statePtr->self, "-translation", Tcl_DStringValue(&upperChannelTranslation));
Tcl_SetChannelOption(interp, statePtr->self, "-encoding", Tcl_DStringValue(&upperChannelEncoding));
Tcl_SetChannelOption(interp, statePtr->self, "-eofchar", Tcl_DStringValue(&upperChannelEOFChar));
Tcl_SetChannelOption(interp, statePtr->self, "-blocking", Tcl_DStringValue(&upperChannelBlocking));
/*
* 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((void *)statePtr);
return TCL_ERROR;
}
#ifndef OPENSSL_NO_TLSEXT
if (servername) {
if (!SSL_set_tlsext_host_name(statePtr->ssl, servername) && require) {
Tcl_AppendResult(interp, "setting TLS host name extension failed",
(char *) NULL);
Tls_Free((void *)statePtr);
return TCL_ERROR;
}
}
#endif
/*
* 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_NOCLOSE);
|
︙ | | | ︙ | |
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/*
* End of SSL Init
*/
dprintf("Returning %s", Tcl_GetChannelName(statePtr->self));
Tcl_SetResult(interp, (char *) Tcl_GetChannelName(statePtr->self),
TCL_VOLATILE);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* 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. */
dprintf("Called");
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
|
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|
|
|
|
|
|
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|
/*
* End of SSL Init
*/
dprintf("Returning %s", Tcl_GetChannelName(statePtr->self));
Tcl_SetResult(interp, (char *) Tcl_GetChannelName(statePtr->self),
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(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const objv[])
{
Tcl_Channel chan; /* The channel to set a mode on. */
dprintf("Called");
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
|
︙ | | | ︙ | |
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|
/*
* 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;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* CTX_Init -- construct a SSL_CTX instance
*
* Results:
* A valid SSL_CTX instance or NULL.
*
* Side effects:
* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(statePtr, isServer, proto, keyfile, certfile, key, cert,
key_len, cert_len, CAdir, CAfile, ciphers, DHparams)
State *statePtr;
int isServer;
int proto;
char *keyfile;
char *certfile;
unsigned char *key;
unsigned char *cert;
int key_len;
int cert_len;
char *CAdir;
char *CAfile;
char *ciphers;
char *DHparams;
{
Tcl_Interp *interp = statePtr->interp;
SSL_CTX *ctx = NULL;
Tcl_DString ds;
Tcl_DString ds1;
int off = 0;
int load_private_key;
const SSL_METHOD *method;
dprintf("Called");
if (!proto) {
Tcl_AppendResult(interp, "no valid protocol selected", NULL);
return (SSL_CTX *)0;
}
/* create SSL context */
#if defined(NO_SSL2)
if (ENABLED(proto, TLS_PROTO_SSL2)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_SSL3)
if (ENABLED(proto, TLS_PROTO_SSL3)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1)
if (ENABLED(proto, TLS_PROTO_TLS1)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_1)
if (ENABLED(proto, TLS_PROTO_TLS1_1)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_2)
if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_3)
if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
Tcl_AppendResult(interp, "protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
switch (proto) {
#if !defined(NO_SSL2)
case TLS_PROTO_SSL2:
|
|
<
|
<
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
|
/*
* 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", (char *)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)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(
State *statePtr,
TCL_UNUSED(int) /* isServer */,
int proto,
char *keyfile,
char *certfile,
unsigned char *key,
unsigned char *cert,
int key_len,
int cert_len,
char *CAdir,
char *CAfile,
char *ciphers,
char *DHparams)
{
Tcl_Interp *interp = statePtr->interp;
SSL_CTX *ctx = NULL;
Tcl_DString ds;
Tcl_DString ds1;
int off = 0;
int load_private_key;
const SSL_METHOD *method;
dprintf("Called");
if (!proto) {
Tcl_AppendResult(interp, "no valid protocol selected", (char *)NULL);
return (SSL_CTX *)0;
}
/* create SSL context */
#if defined(NO_SSL2)
if (ENABLED(proto, TLS_PROTO_SSL2)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_SSL3)
if (ENABLED(proto, TLS_PROTO_SSL3)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1)
if (ENABLED(proto, TLS_PROTO_TLS1)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_1)
if (ENABLED(proto, TLS_PROTO_TLS1_1)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_2)
if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_TLS1_3)
if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
Tcl_AppendResult(interp, "protocol not supported", (char *)NULL);
return (SSL_CTX *)0;
}
#endif
switch (proto) {
#if !defined(NO_SSL2)
case TLS_PROTO_SSL2:
|
︙ | | | ︙ | |
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
|
off |= (ENABLED(proto, TLS_PROTO_TLS1_2) ? 0 : SSL_OP_NO_TLSv1_2);
#endif
#if !defined(NO_TLS1_3)
off |= (ENABLED(proto, TLS_PROTO_TLS1_3) ? 0 : SSL_OP_NO_TLSv1_3);
#endif
break;
}
ctx = SSL_CTX_new (method);
if (!ctx) {
return(NULL);
}
#if !defined(NO_TLS1_3)
if (proto == TLS_PROTO_TLS1_3) {
SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
}
#endif
SSL_CTX_set_app_data( ctx, (VOID*)interp); /* remember the interpreter */
SSL_CTX_set_options( ctx, SSL_OP_ALL); /* all SSL bug workarounds */
SSL_CTX_set_options( ctx, off); /* all SSL bug workarounds */
SSL_CTX_sess_set_cache_size( ctx, 128);
if (ciphers != NULL)
SSL_CTX_set_cipher_list(ctx, ciphers);
|
|
|
|
|
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
|
off |= (ENABLED(proto, TLS_PROTO_TLS1_2) ? 0 : SSL_OP_NO_TLSv1_2);
#endif
#if !defined(NO_TLS1_3)
off |= (ENABLED(proto, TLS_PROTO_TLS1_3) ? 0 : SSL_OP_NO_TLSv1_3);
#endif
break;
}
ctx = SSL_CTX_new (method);
if (!ctx) {
return(NULL);
}
#if !defined(NO_TLS1_3)
if (proto == TLS_PROTO_TLS1_3) {
SSL_CTX_set_min_proto_version (ctx, TLS1_3_VERSION);
SSL_CTX_set_max_proto_version (ctx, TLS1_3_VERSION);
}
#endif
SSL_CTX_set_app_data( ctx, (void*)interp); /* remember the interpreter */
SSL_CTX_set_options( ctx, SSL_OP_ALL); /* all SSL bug workarounds */
SSL_CTX_set_options( ctx, off); /* all SSL bug workarounds */
SSL_CTX_sess_set_cache_size( ctx, 128);
if (ciphers != NULL)
SSL_CTX_set_cipher_list(ctx, ciphers);
|
︙ | | | ︙ | |
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
|
if (!bio) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp,
"Could not find DH parameters file", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
Tcl_DStringFree(&ds);
if (!dh) {
Tcl_AppendResult(interp,
"Could not read DH parameters from file", (char *) NULL);
SSL_CTX_free(ctx);
|
|
|
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
|
if (!bio) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp,
"Could not find DH parameters file", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
Tcl_DStringFree(&ds);
if (!dh) {
Tcl_AppendResult(interp,
"Could not read DH parameters from file", (char *) NULL);
SSL_CTX_free(ctx);
|
︙ | | | ︙ | |
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
|
#endif
}
/* https://sourceforge.net/p/tls/bugs/57/ */
/* XXX:TODO: Let the user supply values here instead of something that exists on the filesystem */
if ( CAfile != NULL ) {
STACK_OF(X509_NAME) *certNames = SSL_load_client_CA_file( F2N(CAfile, &ds) );
if ( certNames != NULL ) {
SSL_CTX_set_client_CA_list(ctx, certNames );
}
}
Tcl_DStringFree(&ds);
Tcl_DStringFree(&ds1);
return ctx;
|
|
|
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
|
#endif
}
/* https://sourceforge.net/p/tls/bugs/57/ */
/* XXX:TODO: Let the user supply values here instead of something that exists on the filesystem */
if ( CAfile != NULL ) {
STACK_OF(X509_NAME) *certNames = SSL_load_client_CA_file( F2N(CAfile, &ds) );
if ( certNames != NULL ) {
SSL_CTX_set_client_CA_list(ctx, certNames );
}
}
Tcl_DStringFree(&ds);
Tcl_DStringFree(&ds1);
return ctx;
|
︙ | | | ︙ | |
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
|
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
StatusObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
dprintf("Called");
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;
}
chan = Tcl_GetChannel(interp, channelName, &mode);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
/*
* 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);
} else {
peer = SSL_get_certificate(statePtr->ssl);
|
|
|
|
|
|
|
|
|
|
|
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
|
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
StatusObjCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const objv[])
{
State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
dprintf("Called");
switch (objc) {
case 2:
channelName = Tcl_GetString(objv[1]);
break;
case 3:
if (!strcmp (Tcl_GetString (objv[1]), "-local")) {
channelName = Tcl_GetString(objv[2]);
break;
}
/* fallthrough */
default:
Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, channelName, &mode);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
/*
* 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", (char *)NULL);
return TCL_ERROR;
}
statePtr = (State *) Tcl_GetChannelInstanceData(chan);
if (objc == 2) {
peer = SSL_get_peer_certificate(statePtr->ssl);
} else {
peer = SSL_get_certificate(statePtr->ssl);
|
︙ | | | ︙ | |
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
|
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("version", -1));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj(SSL_get_version(statePtr->ssl), -1));
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* 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;
dprintf("Called");
objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
clientData = clientData;
objc = objc;
objv = objv;
}
/*
*-------------------------------------------------------------------
*
* MiscObjCmd -- misc commands
*
* Results:
* A standard Tcl result.
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
MiscObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
static CONST84 char *commands [] = { "req", NULL };
enum command { C_REQ, C_DUMMY };
int cmd;
dprintf("Called");
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], commands,
"command", 0,&cmd) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum command) cmd) {
case C_REQ: {
EVP_PKEY *pkey=NULL;
X509 *cert=NULL;
X509_NAME *name=NULL;
Tcl_Obj **listv;
int listc,i;
BIO *out=NULL;
char *k_C="",*k_ST="",*k_L="",*k_O="",*k_OU="",*k_CN="",*k_Email="";
char *keyout,*pemout,*str;
int keysize,serial=0,days=365;
if ((objc<5) || (objc>6)) {
Tcl_WrongNumArgs(interp, 2, objv, "keysize keyfile certfile ?info?");
return TCL_ERROR;
}
if (Tcl_GetIntFromObj(interp, objv[2], &keysize) != TCL_OK) {
return TCL_ERROR;
|
<
|
|
|
|
|
<
<
<
|
|
|
|
|
|
|
|
|
|
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
|
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("version", -1));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj(SSL_get_version(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(
TCL_UNUSED(void *),
Tcl_Interp *interp,
TCL_UNUSED(int) /* objc */,
TCL_UNUSED(Tcl_Obj *const *) /* objv */)
{
Tcl_Obj *objPtr;
dprintf("Called");
objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* MiscObjCmd -- misc commands
*
* Results:
* A standard Tcl result.
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
MiscObjCmd(
TCL_UNUSED(void *),
Tcl_Interp *interp,
int objc,
Tcl_Obj *const objv[])
{
static const char *commands [] = { "req", NULL };
enum command { C_REQ, C_DUMMY };
int cmd;
dprintf("Called");
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], commands,
"command", 0,&cmd) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum command) cmd) {
case C_REQ: {
EVP_PKEY *pkey=NULL;
X509 *cert=NULL;
X509_NAME *name=NULL;
Tcl_Obj **listv;
Tcl_Size listc,i;
BIO *out=NULL;
const char *k_C="",*k_ST="",*k_L="",*k_O="",*k_OU="",*k_CN="",*k_Email="";
char *keyout,*pemout,*str;
int keysize,serial=0,days=365;
if ((objc<5) || (objc>6)) {
Tcl_WrongNumArgs(interp, 2, objv, "keysize keyfile certfile ?info?");
return TCL_ERROR;
}
if (Tcl_GetIntFromObj(interp, objv[2], &keysize) != TCL_OK) {
return TCL_ERROR;
|
︙ | | | ︙ | |
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
|
}
X509_set_version(cert,2);
ASN1_INTEGER_set(X509_get_serialNumber(cert),serial);
X509_gmtime_adj(X509_get_notBefore(cert),0);
X509_gmtime_adj(X509_get_notAfter(cert),(long)60*60*24*days);
X509_set_pubkey(cert,pkey);
name=X509_get_subject_name(cert);
X509_NAME_add_entry_by_txt(name,"C", MBSTRING_ASC, (unsigned char *) k_C, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"ST", MBSTRING_ASC, (unsigned char *) k_ST, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"L", MBSTRING_ASC, (unsigned char *) k_L, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"O", MBSTRING_ASC, (unsigned char *) k_O, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"OU", MBSTRING_ASC, (unsigned char *) k_OU, -1, -1, 0);
|
|
|
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
|
}
X509_set_version(cert,2);
ASN1_INTEGER_set(X509_get_serialNumber(cert),serial);
X509_gmtime_adj(X509_get_notBefore(cert),0);
X509_gmtime_adj(X509_get_notAfter(cert),(long)60*60*24*days);
X509_set_pubkey(cert,pkey);
name=X509_get_subject_name(cert);
X509_NAME_add_entry_by_txt(name,"C", MBSTRING_ASC, (unsigned char *) k_C, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"ST", MBSTRING_ASC, (unsigned char *) k_ST, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"L", MBSTRING_ASC, (unsigned char *) k_L, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"O", MBSTRING_ASC, (unsigned char *) k_O, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"OU", MBSTRING_ASC, (unsigned char *) k_OU, -1, -1, 0);
|
︙ | | | ︙ | |
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
|
}
}
break;
default:
break;
}
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* Tls_Free --
*
* This procedure cleans up when a SSL socket based channel
* is closed and its reference count falls below 1
*
* Results:
* none
*
* Side effects:
* Frees all the state
*
*-------------------------------------------------------------------
*/
void
Tls_Free( char *blockPtr )
{
State *statePtr = (State *)blockPtr;
dprintf("Called");
Tls_Clean(statePtr);
ckfree(blockPtr);
|
<
>
>
>
>
|
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
|
}
}
break;
default:
break;
}
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* Tls_Free --
*
* This procedure cleans up when a SSL socket based channel
* is closed and its reference count falls below 1
*
* Results:
* none
*
* Side effects:
* Frees all the state
*
*-------------------------------------------------------------------
*/
void
#if TCL_MAJOR_VERSION > 8
Tls_Free( void *blockPtr )
#else
Tls_Free( char *blockPtr )
#endif
{
State *statePtr = (State *)blockPtr;
dprintf("Called");
Tls_Clean(statePtr);
ckfree(blockPtr);
|
︙ | | | ︙ | |
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
|
dprintf("Called");
/*
* We only support Tcl 8.4 or newer
*/
if (
#ifdef USE_TCL_STUBS
Tcl_InitStubs(interp, "8.4", 0)
#else
Tcl_PkgRequire(interp, "Tcl", "8.4", 0)
#endif
== NULL) {
return TCL_ERROR;
}
if (TlsLibInit(0) != TCL_OK) {
Tcl_AppendResult(interp, "could not initialize SSL library", NULL);
return TCL_ERROR;
}
Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (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);
|
|
|
|
|
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
|
dprintf("Called");
/*
* We only support Tcl 8.4 or newer
*/
if (
#ifdef USE_TCL_STUBS
Tcl_InitStubs(interp, "8.6-", 0)
#else
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", (char *)NULL);
return TCL_ERROR;
}
Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (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);
|
︙ | | | ︙ | |
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
|
/*
*------------------------------------------------------*
*
* Tls_SafeInit --
*
* ------------------------------------------------*
* Standard procedure required by 'load'.
* Initializes this extension for a safe interpreter.
* ------------------------------------------------*
*
* Sideeffects:
* As of 'Tls_Init'
*
* Result:
|
|
|
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
|
/*
*------------------------------------------------------*
*
* Tls_SafeInit --
*
* ------------------------------------------------*
* Standard procedure required by 'load'.
* Initializes this extension for a safe interpreter.
* ------------------------------------------------*
*
* Sideeffects:
* As of 'Tls_Init'
*
* Result:
|
︙ | | | ︙ | |
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
|
* terrible entropy
*/
/*
* Seed the random number generator in the SSL library,
* using the do/while construct because of the bug note in the
* OpenSSL FAQ at http://www.openssl.org/support/faq.html#USER1
*
* The crux of the problem is that Solaris 7 does not have a
* /dev/random or /dev/urandom device so it cannot gather enough
* entropy from the RAND_seed() when TLS initializes and refuses
* to go further. Earlier versions of OpenSSL carried on regardless.
*/
srand((unsigned int) time((time_t *) NULL));
do {
for (i = 0; i < 16; i++) {
|
|
|
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
|
* terrible entropy
*/
/*
* Seed the random number generator in the SSL library,
* using the do/while construct because of the bug note in the
* OpenSSL FAQ at http://www.openssl.org/support/faq.html#USER1
*
* The crux of the problem is that Solaris 7 does not have a
* /dev/random or /dev/urandom device so it cannot gather enough
* entropy from the RAND_seed() when TLS initializes and refuses
* to go further. Earlier versions of OpenSSL carried on regardless.
*/
srand((unsigned int) time((time_t *) NULL));
do {
for (i = 0; i < 16; i++) {
|
︙ | | | ︙ | |