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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 *cert, unsigned char *key_asn1, unsigned char *cert_asn1,
char *cert, char *CAdir, char *CAfile, char *ciphers,
char *DHparams);
int key_asn1_len, int cert_asn1_len, char *CAdir, char *CAfile,
char *ciphers, char *DHparams);
static int TlsLibInit(int uninitialize);
#define TLS_PROTO_SSL2 0x01
#define TLS_PROTO_SSL3 0x02
#define TLS_PROTO_TLS1 0x04
#define TLS_PROTO_TLS1_1 0x08
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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;
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 *key = NULL;
char *cert = NULL;
char *ciphers = NULL;
char *CAfile = NULL;
char *CAdir = NULL;
char *DHparams = NULL;
char *model = NULL;
int flags = TLS_TCL_INIT;
int server = 0; /* is connection incoming or outgoing? */
char *key = NULL;
char *cert = NULL;
unsigned char *key_asn1 = NULL;
int key_asn1_len = 0;
unsigned char *cert_asn1 = NULL;
int cert_asn1_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 */
char *servername = NULL; /* hostname for Server Name Indication */
#endif
int ssl2 = 0, ssl3 = 0;
int tls1 = 1, tls1_1 = 1, tls1_2 = 1, tls1_3 = 1;
int proto = 0;
int verify = 0, require = 0, request = 1;
dprintf("Called");
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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("-certasn1", cert_asn1, cert_asn1_len);
OPTBYTE("-keyasn1", key_asn1, key_asn1_len);
OPTBAD( "option", "-cadir, -cafile, -certfile, -cipher, -command, -dhparams, -keyfile, -model, -password, -require, -request, -server, -servername, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, or tls1.3");
OPTBAD( "option", "-cadir, -cafile, -certasn1, -certfile, -cipher, -command, -dhparams, -keyasn1, -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;
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);
proto |= (tls1_1 ? TLS_PROTO_TLS1_1 : 0);
proto |= (tls1_2 ? TLS_PROTO_TLS1_2 : 0);
proto |= (tls1_3 ? TLS_PROTO_TLS1_3 : 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 (DHparams && !*DHparams) DHparams = NULL;
if (cert && !*cert) cert = NULL;
if (key && !*key) key = NULL;
if (cert_asn1 && !*cert_asn1) cert_asn1 = NULL;
if (key_asn1 && !*key_asn1) key_asn1 = NULL;
if (ciphers && !*ciphers) ciphers = NULL;
if (CAfile && !*CAfile) CAfile = NULL;
if (CAdir && !*CAdir) CAdir = NULL;
if (DHparams && !*DHparams) DHparams = NULL;
/* new SSL state */
statePtr = (State *) ckalloc((unsigned) sizeof(State));
memset(statePtr, 0, sizeof(State));
statePtr->flags = flags;
statePtr->interp = interp;
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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, key, cert, CAdir, CAfile, ciphers,
DHparams)) == (SSL_CTX*)0) {
if ((ctx = CTX_Init(statePtr, server, proto, key, cert, key_asn1,
cert_asn1, key_asn1_len, cert_asn1_len, CAdir, CAfile, ciphers,
DHparams)) == (SSL_CTX*)0) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
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* Side effects:
* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(statePtr, isServer, proto, key, cert, CAdir, CAfile, ciphers, DHparams)
CTX_Init(statePtr, isServer, proto, key, cert, key_asn1, cert_asn1,
key_asn1_len, cert_asn1_len, CAdir, CAfile, ciphers, DHparams)
State *statePtr;
int isServer;
int proto;
char *key;
char *cert;
unsigned char *key_asn1;
unsigned char *cert_asn1;
int key_asn1_len;
int cert_asn1_len;
char *CAdir;
char *CAfile;
char *ciphers;
char *DHparams;
{
Tcl_Interp *interp = statePtr->interp;
SSL_CTX *ctx = NULL;
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* the SSL context */
if (!SSL_CTX_check_private_key(ctx)) {
Tcl_AppendResult(interp,
"private key does not match the certificate public key",
(char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
} else if (cert_asn1 != NULL) {
if (SSL_CTX_use_certificate_ASN1(ctx, cert_asn1_len, cert_asn1) <= 0) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp,
"unable to set certificate from ASN1: ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
if (key_asn1 == NULL) {
key_asn1=cert_asn1;
key_asn1_len = cert_asn1_len;
}
if (SSL_CTX_use_PrivateKey_ASN1(EVP_PKEY_RSA, ctx, key_asn1,key_asn1_len) <= 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 from ASN1: ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
} else {
cert = (char*)X509_get_default_cert_file();
if (SSL_CTX_use_certificate_file(ctx, cert,
SSL_FILETYPE_PEM) <= 0) {
#if 0
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