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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
* Copyright (C) 2023 Brian O'Hagan
*
* 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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*/
#include "tlsInt.h"
#include "tclOpts.h"
#include <stdio.h>
#include <stdlib.h>
#include <openssl/rsa.h>
/*
* External functions
*/
/*
* Forward declarations
*/
#define F2N(key, dsp) \
(((key) == NULL) ? (char *) NULL : \
Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON() ERR_reason_error_string(ERR_get_error())
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);
#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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*/
#include "tlsInt.h"
#include "tclOpts.h"
#include <stdio.h>
#include <stdlib.h>
#include <openssl/rsa.h>
#include <openssl/safestack.h>
/* Min OpenSSL version */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
#error "Only OpenSSL v1.1.1 or later is supported"
#endif
/*
* External functions
*/
/*
* Forward declarations
*/
#define F2N(key, dsp) \
(((key) == NULL) ? (char *) NULL : \
Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON() ERR_reason_error_string(ERR_get_error())
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 *ciphersuites, int level, 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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* Static data structures
*/
#ifndef OPENSSL_NO_DH
#include "dh_params.h"
#endif
/*
* We lose the tcl password callback when we use the RSA BSAFE SSL-C 1.1.2
* libraries instead of the current OpenSSL libraries.
*/
#ifdef BSAFE
#define PRE_OPENSSL_0_9_4 1
#endif
/*
* Pre OpenSSL 0.9.4 Compat
*/
#ifndef STACK_OF
#define STACK_OF(x) STACK
#define sk_SSL_CIPHER_num(sk) sk_num((sk))
#define sk_SSL_CIPHER_value(sk, index) (SSL_CIPHER*)sk_value((sk), (index))
#endif
/* Added */
# if OPENSSL_VERSION_NUMBER < 0x10100000L
void CryptoThreadLockCallback(int mode, int n, const char *file, int line) {
if (mode & CRYPTO_LOCK) {
/* This debugging is turned off by default -- it's too noisy. */
/* dprintf("Called to lock (n=%i of %i)", n, locksCount); */
Tcl_MutexLock(&locks[n]);
} else {
/* dprintf("Called to unlock (n=%i of %i)", n, locksCount); */
Tcl_MutexUnlock(&locks[n]);
}
/* dprintf("Returning"); */
return;
file = file;
line = line;
}
unsigned long CryptoThreadIdCallback(void) {
unsigned long ret;
dprintf("Called");
ret = (unsigned long) Tcl_GetCurrentThread();
dprintf("Returning %lu", ret);
return(ret);
}
#endif
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* Static data structures
*/
#ifndef OPENSSL_NO_DH
#include "dh_params.h"
#endif
/*
* Thread-Safe TLS Code
*/
#ifdef TCL_THREADS
#define OPENSSL_THREAD_DEFINES
#include <openssl/opensslconf.h>
#ifdef OPENSSL_THREADS
#include <openssl/crypto.h>
#include <openssl/ssl.h>
/*
* Threaded operation requires locking callbacks
* Based from /crypto/cryptlib.c of OpenSSL and NSOpenSSL.
*/
static Tcl_Mutex *locks = NULL;
static int locksCount = 0;
static Tcl_Mutex init_mx;
#endif /* OPENSSL_THREADS */
#endif /* TCL_THREADS */
/*
*-------------------------------------------------------------------
*
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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;
buf = buf;
size = size;
verify = verify;
}
#else
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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.
*-------------------------------------------------------------------
*/
static int
PasswordCallback(char *buf, int size, int verify, void *udata) {
State *statePtr = (State *) udata;
Tcl_Interp *interp = statePtr->interp;
Tcl_Obj *cmdPtr;
int code;
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return (int)strlen(ret);
}
}
Tcl_Release((ClientData) interp);
return -1;
verify = verify;
}
#endif
/*
*-------------------------------------------------------------------
*
* CiphersObjCmd -- list available ciphers
*
* This procedure is invoked to process the "tls::ciphers" command
* to list available ciphers, based upon protocol selected.
*
* Results:
* A standard Tcl result list.
*
* Side effects:
* constructs and destroys SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static int
CiphersObjCmd(ClientData clientData, 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;
SSL *ssl = NULL;
STACK_OF(SSL_CIPHER) *sk;
char *cp, buf[BUFSIZ];
int index, verbose = 0;
dprintf("Called");
if ((objc < 2) || (objc > 3)) {
Tcl_WrongNumArgs(interp, 1, objv, "protocol ?verbose?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], protocols, "protocol", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
if ((objc > 2) && Tcl_GetBooleanFromObj(interp, objv[2], &verbose) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum protocol)index) {
case TLS_SSL2:
#if OPENSSL_VERSION_NUMBER >= 0x10101000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv2_method()); break;
#endif
case TLS_SSL3:
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3)
Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv3_method()); break;
#endif
case TLS_TLS1:
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_1)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_2)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_3)
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return (int)strlen(ret);
}
}
Tcl_Release((ClientData) interp);
return -1;
verify = verify;
}
/*
*-------------------------------------------------------------------
*
* SessionCallback for Clients --
*
* Called when a new session ticket has been received. In TLS 1.3
* this may be received multiple times after the handshake. For
* earlier versions, this will be received during the handshake.
*
* Results:
* None
*
* Side effects:
* Calls callback (if defined)
*-------------------------------------------------------------------
*/
static int
SessionCallback(const SSL *ssl, SSL_SESSION *session) {
State *statePtr = (State*)SSL_get_app_data((SSL *)ssl);
Tcl_Interp *interp = statePtr->interp;
Tcl_Obj *cmdPtr;
const unsigned char *ticket;
const unsigned char *session_id;
int len;
int code;
size_t len2;
dprintf("Called");
if (statePtr->callback == (Tcl_Obj*)NULL)
return 0;
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj( "session", -1));
/* Session id */
session = SSL_get_session(statePtr->ssl);
session_id = SSL_SESSION_get0_id_context(session, &len);
Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(session_id, len));
/* Session ticket */
SSL_SESSION_get0_ticket(session, &ticket, &len2);
Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(ticket, (int)len2));
/* Lifetime - number of seconds */
Tcl_ListObjAppendElement(interp, cmdPtr,
Tcl_NewLongObj((long) SSL_SESSION_get_ticket_lifetime_hint(session)));
Tcl_Preserve((ClientData) interp);
Tcl_Preserve((ClientData) statePtr);
Tcl_IncrRefCount(cmdPtr);
code = Tcl_EvalObjEx(interp, cmdPtr, TCL_EVAL_GLOBAL);
if (code != TCL_OK) {
#if (TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION < 6)
Tcl_BackgroundError(interp);
#else
Tcl_BackgroundException(interp, code);
#endif
}
Tcl_DecrRefCount(cmdPtr);
Tcl_Release((ClientData) statePtr);
Tcl_Release((ClientData) interp);
return 1;
}
/*
*-------------------------------------------------------------------
*
* CiphersObjCmd -- list available ciphers
*
* This procedure is invoked to process the "tls::ciphers" command
* to list available ciphers, based upon protocol selected.
*
* Results:
* A standard Tcl result list.
*
* Side effects:
* constructs and destroys SSL context (CTX)
*
*-------------------------------------------------------------------
*/
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
};
static int
CiphersObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
Tcl_Obj *objPtr = NULL;
SSL_CTX *ctx = NULL;
SSL *ssl = NULL;
STACK_OF(SSL_CIPHER) *sk;
char *cp, buf[BUFSIZ];
int index, verbose = 0, use_supported = 0;
dprintf("Called");
if ((objc < 2) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 1, objv, "protocol ?verbose? ?supported?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], protocols, "protocol", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
if ((objc > 2) && Tcl_GetBooleanFromObj(interp, objv[2], &verbose) != TCL_OK) {
return TCL_ERROR;
}
if ((objc > 3) && Tcl_GetBooleanFromObj(interp, objv[3], &use_supported) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum protocol)index) {
case TLS_SSL2:
#if OPENSSL_VERSION_NUMBER >= 0x10100000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv2_method()); break;
#endif
case TLS_SSL3:
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3) || defined(OPENSSL_NO_SSL3_METHOD)
Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
return TCL_ERROR;
#else
ctx = SSL_CTX_new(SSLv3_method()); break;
#endif
case TLS_TLS1:
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1) || defined(OPENSSL_NO_TLS1_METHOD)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1_METHOD)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2_METHOD)
Tcl_AppendResult(interp, protocols[index], ": 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) || defined(OPENSSL_NO_TLS1_3)
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default:
break;
}
if (ctx == NULL) {
Tcl_AppendResult(interp, REASON(), NULL);
return TCL_ERROR;
}
ssl = SSL_new(ctx);
if (ssl == NULL) {
Tcl_AppendResult(interp, REASON(), NULL);
SSL_CTX_free(ctx);
return TCL_ERROR;
}
objPtr = Tcl_NewListObj(0, NULL);
if (!verbose) {
for (index = 0; ; index++) {
cp = (char*)SSL_get_cipher_list(ssl, index);
if (cp == NULL) break;
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));
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default:
break;
}
if (ctx == NULL) {
Tcl_AppendResult(interp, REASON(), NULL);
return TCL_ERROR;
}
ssl = SSL_new(ctx);
if (ssl == NULL) {
Tcl_AppendResult(interp, REASON(), NULL);
SSL_CTX_free(ctx);
return TCL_ERROR;
}
/* Use list and order as would be sent in a ClientHello or all available ciphers */
if (use_supported) {
sk = SSL_get1_supported_ciphers(ssl);
} else {
sk = SSL_get_ciphers(ssl);
}
if (sk != NULL) {
if (!verbose) {
objPtr = Tcl_NewListObj(0, NULL);
for (int i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
if (c == NULL) continue;
/* cipher name or (NONE) */
cp = SSL_CIPHER_get_name(c);
if (cp == NULL) break;
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(cp, -1));
}
} else {
objPtr = Tcl_NewStringObj("",0);
for (int i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
if (c == NULL) continue;
/* textual description of the cipher */
if (SSL_CIPHER_description(c, buf, sizeof(buf)) != NULL) {
Tcl_AppendToObj(objPtr, buf, (int) strlen(buf));
} else {
Tcl_AppendToObj(objPtr, "UNKNOWN\n", 8);
}
}
}
if (use_supported) {
sk_SSL_CIPHER_free(sk);
}
}
SSL_free(ssl);
SSL_CTX_free(ctx);
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* ProtocolsObjCmd -- list available protocols
*
* This procedure is invoked to process the "tls::protocols" command
* to list available protocols.
*
* Results:
* A standard Tcl result list.
*
* Side effects:
* none
*
*-------------------------------------------------------------------
*/
static int
ProtocolsObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
Tcl_Obj *objPtr;
dprintf("Called");
if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, "");
return TCL_ERROR;
}
objPtr = Tcl_NewListObj(0, NULL);
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_SSL2], -1));
#endif
#if !defined(NO_SSL3) && !defined(OPENSSL_NO_SSL3)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_SSL3], -1));
#endif
#if !defined(NO_TLS1) && !defined(OPENSSL_NO_TLS1)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1], -1));
#endif
#if !defined(NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_1], -1));
#endif
#if !defined(NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_2], -1));
#endif
#if !defined(NO_TLS1_3) && !defined(OPENSSL_NO_TLS1_3)
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_3], -1));
#endif
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
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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
#endif
int proto = 0;
int verify = 0, require = 0, request = 1;
dprintf("Called");
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(OPENSSL_NO_SSL2) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3) && defined(NO_SSL3) && !defined(NO_SSL2)
ssl2 = 1;
#endif
#if !defined(OPENSSL_NO_SSL3) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3) && defined(NO_SSL2) && !defined(NO_SSL3)
ssl3 = 1;
#endif
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
tls1 = 0;
#endif
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1)
tls1_1 = 0;
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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 *ciphersuites = NULL;
char *CAfile = NULL;
char *CAdir = NULL;
char *DHparams = NULL;
char *model = NULL;
char *servername = NULL; /* hostname for Server Name Indication */
const unsigned char *session_id = NULL;
Tcl_Obj *alpn = NULL;
int ssl2 = 0, ssl3 = 0;
int tls1 = 1, tls1_1 = 1, tls1_2 = 1, tls1_3 = 1;
int proto = 0, level = -1;
int verify = 0, require = 0, request = 1;
dprintf("Called");
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(OPENSSL_NO_SSL2) && !defined(NO_SSL2) && defined(NO_SSL3) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3)
ssl2 = 1;
#endif
#if !defined(OPENSSL_NO_SSL3) && !defined(NO_SSL3) && defined(NO_SSL2) && defined(NO_TLS1) && defined(NO_TLS1_1) && defined(NO_TLS1_2) && defined(NO_TLS1_3)
ssl3 = 1;
#endif
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
tls1 = 0;
#endif
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1)
tls1_1 = 0;
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if (opt[0] != '-')
break;
OPTSTR("-cadir", CAdir);
OPTSTR("-cafile", CAfile);
OPTSTR("-certfile", certfile);
OPTSTR("-cipher", ciphers);
OPTOBJ("-command", script);
OPTSTR("-dhparams", DHparams);
OPTSTR("-keyfile", keyfile);
OPTSTR("-model", model);
OPTOBJ("-password", password);
OPTBOOL("-require", require);
OPTBOOL("-request", request);
OPTBOOL("-server", server);
#ifndef OPENSSL_NO_TLSEXT
#endif
OPTBAD("option", "-alpn, -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;
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 (certfile && !*certfile) certfile = NULL;
if (keyfile && !*keyfile) keyfile = 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));
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if (opt[0] != '-')
break;
OPTSTR("-cadir", CAdir);
OPTSTR("-cafile", CAfile);
OPTSTR("-certfile", certfile);
OPTSTR("-cipher", ciphers);
OPTSTR("-ciphers", ciphers);
OPTSTR("-ciphersuites", ciphersuites);
OPTOBJ("-command", script);
OPTSTR("-dhparams", DHparams);
OPTSTR("-keyfile", keyfile);
OPTSTR("-model", model);
OPTOBJ("-password", password);
OPTBOOL("-require", require);
OPTBOOL("-request", request);
OPTINT("-securitylevel", level);
OPTBOOL("-server", server);
OPTSTR("-servername", servername);
OPTSTR("-session_id", session_id);
OPTOBJ("-alpn", alpn);
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", "-alpn, -cadir, -cafile, -cert, -certfile, -cipher, -ciphersuites, -command, -dhparams, -key, -keyfile, -model, -password, -require, -request, -securitylevel, -server, -servername, -session_id, -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 (certfile && !*certfile) certfile = NULL;
if (keyfile && !*keyfile) keyfile = NULL;
if (ciphers && !*ciphers) ciphers = NULL;
if (ciphersuites && !*ciphersuites) ciphersuites = 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));
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"\": 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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"\": 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, ciphersuites, level, DHparams)) == (SSL_CTX*)0) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
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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
unsigned int protoslen = 0;
int i, len, cnt;
Tcl_Obj **list;
if (Tcl_ListObjGetElements(interp, alpn, &cnt, &list) != TCL_OK) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/* Determine the memory required for the protocol-list */
for (i = 0; i < cnt; i++) {
Tcl_GetStringFromObj(list[i], &len);
if (len > 255) {
Tcl_AppendResult(interp, "alpn protocol name too long", (char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
protoslen += 1 + len;
}
/* Build the complete protocol-list */
protos = ckalloc(protoslen);
/* protocol-lists consist of 8-bit length-prefixed, byte strings */
for (i = 0, p = protos; i < cnt; i++) {
char *str = Tcl_GetStringFromObj(list[i], &len);
*p++ = len;
memcpy(p, str, len);
p += len;
}
/* Note: This functions reverses the return value convention */
if (SSL_set_alpn_protos(statePtr->ssl, protos, protoslen)) {
Tcl_AppendResult(interp, "failed to set alpn protocols", (char *) NULL);
Tls_Free((char *) statePtr);
ckfree(protos);
return TCL_ERROR;
}
/* SSL_set_alpn_protos makes a copy of the protocol-list */
ckfree(protos);
}
#endif
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if (!statePtr->ssl) {
/* SSL library error */
Tcl_AppendResult(interp, "couldn't construct ssl session: ", REASON(), (char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/* Set host server name */
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;
}
}
/* Resume session id */
if (session_id && strlen(session_id) <= SSL_MAX_SID_CTX_LENGTH) {
/* SSL_set_session() */
if (!SSL_SESSION_set1_id_context(SSL_get_session(statePtr->ssl), session_id, (unsigned int) strlen(session_id))) {
Tcl_AppendResult(interp, "Resume session id ", session_id, " failed", (char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
if (alpn) {
/* Convert a Tcl list into a protocol-list in wire-format */
unsigned char *protos, *p;
unsigned int protos_len = 0;
int i, len, cnt;
Tcl_Obj **list;
if (Tcl_ListObjGetElements(interp, alpn, &cnt, &list) != TCL_OK) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
/* Determine the memory required for the protocol-list */
for (i = 0; i < cnt; i++) {
Tcl_GetStringFromObj(list[i], &len);
if (len > 255) {
Tcl_AppendResult(interp, "alpn protocol name too long", (char *) NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
protos_len += 1 + len;
}
/* Build the complete protocol-list */
protos = ckalloc(protos_len);
/* protocol-lists consist of 8-bit length-prefixed, byte strings */
for (i = 0, p = protos; i < cnt; i++) {
char *str = Tcl_GetStringFromObj(list[i], &len);
*p++ = len;
memcpy(p, str, len);
p += len;
}
/* Note: This functions reverses the return value convention */
if (SSL_set_alpn_protos(statePtr->ssl, protos, protos_len)) {
Tcl_AppendResult(interp, "failed to set alpn protocols", (char *) NULL);
Tls_Free((char *) statePtr);
ckfree(protos);
return TCL_ERROR;
}
/* SSL_set_alpn_protos makes a copy of the protocol-list */
ckfree(protos);
}
/*
* 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);
SSL_CTX_sess_set_new_cb(statePtr->ctx, SessionCallback);
/* Create Tcl_Channel BIO Handler */
statePtr->p_bio = BIO_new_tcl(statePtr, BIO_NOCLOSE);
statePtr->bio = BIO_new(BIO_f_ssl());
if (server) {
statePtr->flags |= TLS_TCL_SERVER;
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* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(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 OPENSSL_VERSION_NUMBER >= 0x10101000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
if (ENABLED(proto, TLS_PROTO_SSL2)) {
Tcl_AppendResult(interp, "SSL2 protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3)
if (ENABLED(proto, TLS_PROTO_SSL3)) {
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* constructs SSL context (CTX)
*
*-------------------------------------------------------------------
*/
static SSL_CTX *
CTX_Init(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 *ciphersuites, int level, 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 OPENSSL_VERSION_NUMBER >= 0x10100000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
if (ENABLED(proto, TLS_PROTO_SSL2)) {
Tcl_AppendResult(interp, "SSL2 protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3)
if (ENABLED(proto, TLS_PROTO_SSL3)) {
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if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
switch (proto) {
#if OPENSSL_VERSION_NUMBER < 0x10101000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
case TLS_PROTO_SSL2:
method = SSLv2_method();
break;
#endif
#if !defined(NO_SSL3) && !defined(OPENSSL_NO_SSL3)
case TLS_PROTO_SSL3:
method = SSLv3_method();
break;
#endif
#if !defined(NO_TLS1) && !defined(OPENSSL_NO_TLS1)
case TLS_PROTO_TLS1:
method = TLSv1_method();
break;
#endif
#if !defined(NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1)
case TLS_PROTO_TLS1_1:
method = TLSv1_1_method();
break;
#endif
#if !defined(NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2)
case TLS_PROTO_TLS1_2:
method = TLSv1_2_method();
break;
#endif
#if !defined(NO_TLS1_3) && !defined(OPENSSL_NO_TLS1_3)
case TLS_PROTO_TLS1_3:
/*
* The version range is constrained below,
* after the context is created. Use the
* generic method here.
*/
method = TLS_method();
break;
#endif
default:
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
#else
method = SSLv23_method();
#endif
|
|
|
|
|
|
<
<
<
<
|
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|
if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
return (SSL_CTX *)0;
}
#endif
switch (proto) {
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
case TLS_PROTO_SSL2:
method = SSLv2_method();
break;
#endif
#if !defined(NO_SSL3) && !defined(OPENSSL_NO_SSL3) && !defined(OPENSSL_NO_SSL3_METHOD)
case TLS_PROTO_SSL3:
method = SSLv3_method();
break;
#endif
#if !defined(NO_TLS1) && !defined(OPENSSL_NO_TLS1) && !defined(OPENSSL_NO_TLS1_METHOD)
case TLS_PROTO_TLS1:
method = TLSv1_method();
break;
#endif
#if !defined(NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1_METHOD)
case TLS_PROTO_TLS1_1:
method = TLSv1_1_method();
break;
#endif
#if !defined(NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2_METHOD)
case TLS_PROTO_TLS1_2:
method = TLSv1_2_method();
break;
#endif
#if !defined(NO_TLS1_3) && !defined(OPENSSL_NO_TLS1_3)
case TLS_PROTO_TLS1_3:
/*
* The version range is constrained below,
* after the context is created. Use the
* generic method here.
*/
method = TLS_method();
break;
#endif
default:
/* Negotiate highest available SSL/TLS version */
method = TLS_method();
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
off |= (ENABLED(proto, TLS_PROTO_SSL2) ? 0 : SSL_OP_NO_SSLv2);
#endif
#if !defined(NO_SSL3) && !defined(OPENSSL_NO_SSL3)
off |= (ENABLED(proto, TLS_PROTO_SSL3) ? 0 : SSL_OP_NO_SSLv3);
#endif
#if !defined(NO_TLS1) && !defined(OPENSSL_NO_TLS1)
|
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SSL_CTX_set_options(ctx, SSL_OP_ALL); /* all SSL bug workarounds */
SSL_CTX_set_options(ctx, off); /* disable protocol versions */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); /* handle new handshakes in background */
#endif
SSL_CTX_sess_set_cache_size(ctx, 128);
if (ciphers != NULL)
SSL_CTX_set_cipher_list(ctx, ciphers);
/* set some callbacks */
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallback);
#ifndef BSAFE
#endif
|
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SSL_CTX_set_options(ctx, SSL_OP_ALL); /* all SSL bug workarounds */
SSL_CTX_set_options(ctx, off); /* disable protocol versions */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); /* handle new handshakes in background */
#endif
SSL_CTX_sess_set_cache_size(ctx, 128);
/* Set user defined ciphers, cipher suites, and security level */
if (((ciphers != NULL) && !SSL_CTX_set_cipher_list(ctx, ciphers)) || \
((ciphersuites != NULL) && !SSL_CTX_set_ciphersuites(ctx, ciphersuites))) {
Tcl_AppendResult(interp, "Set ciphers failed", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
}
/* Set security level */
if (level > -1 && level < 6) {
/* SSL_set_security_level */
SSL_CTX_set_security_level(ctx, level);
}
/* set some callbacks */
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallback);
SSL_CTX_set_default_passwd_cb_userdata(ctx, (void *)statePtr);
/* read a Diffie-Hellman parameters file, or use the built-in one */
#ifdef OPENSSL_NO_DH
if (DHparams != NULL) {
Tcl_AppendResult(interp, "DH parameter support not available", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
|
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StatusObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
#ifndef OPENSSL_NO_TLSEXT
#endif
|
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StatusObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
const unsigned char *proto;
unsigned int len;
dprintf("Called");
switch (objc) {
case 2:
channelName = Tcl_GetStringFromObj(objv[1], NULL);
break;
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|
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));
}
#ifndef OPENSSL_NO_TLSEXT
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("version", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get_version(statePtr->ssl), -1));
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|
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));
}
/* Verify the X509 certificate presented by the peer */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("validation", -1));
if (SSL_get_verify_result(statePtr->ssl) != X509_V_OK) {
/* proto = "failed"; */
proto = REASON();
} else {
proto = "ok";
}
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(proto, -1));
/* Report the selected protocol as a result of the negotiation */
SSL_get0_alpn_selected(statePtr->ssl, &proto, &len);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("alpn", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj((char *)proto, (int)len));
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;
}
/*
*-------------------------------------------------------------------
*
* ConnectionInfoObjCmd -- return connection info from OpenSSL.
*
* Results:
* A list of connection info
*
*-------------------------------------------------------------------
*/
static int ConnectionInfoObjCmd(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 */
Tcl_Obj *objPtr;
const SSL *ssl;
const SSL_CIPHER *cipher;
const SSL_SESSION *session;
const unsigned char *proto;
unsigned int len;
#if defined(HAVE_SSL_COMPRESSION)
const COMP_METHOD *comp;
#endif
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);
}
objPtr = Tcl_NewListObj(0, NULL);
/* Get connection state */
statePtr = (State *)Tcl_GetChannelInstanceData(chan);
ssl = statePtr->ssl;
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("state", -1));
if (SSL_is_init_finished(ssl)) {
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("established", -1));
} else if (SSL_in_init(ssl)) {
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("handshake", -1));
} else {
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("initializing", -1));
}
/* Get server name */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("servername", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name), -1));
/* Get protocol */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("protocol", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get_version(ssl), -1));
/* Get security level */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("securitylevel", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_get_security_level(ssl)));
/* Get cipher */
cipher = SSL_get_current_cipher(ssl);
if (cipher != NULL) {
char buf[BUFSIZ] = {0};
int bits, alg_bits;
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_name(cipher), -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("standard_name", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_standard_name(cipher), -1));
bits = SSL_CIPHER_get_bits(cipher, &alg_bits);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("bits", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(bits));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("secret_bits", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(alg_bits));
/* alg_bits is actual key secret bits. If use bits and secret (algorithm) bits differ,
the rest of the bits are fixed, i.e. for limited export ciphers (bits < 56) */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("min_version", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_version(cipher), -1));
if (SSL_CIPHER_description(cipher, buf, sizeof(buf)) != NULL) {
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("description", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(buf, -1));
}
}
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("renegotiation", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(
SSL_get_secure_renegotiation_support(ssl) ? "allowed" : "not supported", -1));
/* Report the selected protocol as a result of the negotiation */
SSL_get0_alpn_selected(ssl, &proto, &len);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("alpn", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj((char *)proto, (int)len));
/* Session info */
session = SSL_get_session(ssl);
if (session != NULL) {
const unsigned char *ticket;
size_t len2;
const unsigned char *session_id;
/* Session info */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("session_reused", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_session_reused(ssl)));
/* Session id */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("session_id", -1));
session_id = SSL_SESSION_get0_id_context(session, &len);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(session_id, (int)len));
/* Session ticket */
SSL_SESSION_get0_ticket(session, &ticket, &len2);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("session_ticket", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(ticket, (int) len2));
/* Resumable session */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("resumable", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_SESSION_is_resumable(session)));
/* Start time */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("start_time", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewLongObj(SSL_SESSION_get_time(session)));
/* Timeout value */
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("timeout", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewLongObj(SSL_SESSION_get_timeout(session)));
}
#if defined(HAVE_SSL_COMPRESSION)
/* Compression info */
comp = SSL_get_current_compression(ssl);
if (comp != NULL) {
expansion = SSL_get_current_expansion(ssl);
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("compression", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_COMP_get_name(comp), -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("expansion", -1));
Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_COMP_get_name(expansion), -1));
}
#endif
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
|
| ︙ | | | ︙ | |
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|
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 OPENSSL_VERSION_NUMBER <= 0x10100000L
RSA *rsa = NULL;
#elif OPENSSL_VERSION_NUMBER < 0x30000000L
BIGNUM *bne = NULL;
RSA *rsa = NULL;
#else
EVP_PKEY_CTX *ctx = NULL;
#endif
if ((objc<5) || (objc>6)) {
|
|
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<
|
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|
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 OPENSSL_VERSION_NUMBER < 0x30000000L
BIGNUM *bne = NULL;
RSA *rsa = NULL;
#else
EVP_PKEY_CTX *ctx = NULL;
#endif
if ((objc<5) || (objc>6)) {
|
| ︙ | | | ︙ | |
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|
} else {
Tcl_SetResult(interp,"Unknown parameter",NULL);
return TCL_ERROR;
}
}
}
#if OPENSSL_VERSION_NUMBER <= 0x10100000L
pkey = EVP_PKEY_new();
rsa = RSA_generate_key(keysize, 0x10001, NULL, NULL);
if (pkey == NULL || rsa == NULL || !EVP_PKEY_assign_RSA(pkey, rsa)) {
EVP_PKEY_free(pkey);
/* RSA_free(rsa); freed by EVP_PKEY_free */
#elif OPENSSL_VERSION_NUMBER < 0x30000000L
bne = BN_new();
rsa = RSA_new();
pkey = EVP_PKEY_new();
if (bne == NULL || rsa == NULL || pkey == NULL || !BN_set_word(bne,RSA_F4) ||
!RSA_generate_key_ex(rsa, keysize, bne, NULL) || !EVP_PKEY_assign_RSA(pkey, rsa)) {
EVP_PKEY_free(pkey);
/* RSA_free(rsa); freed by EVP_PKEY_free */
|
|
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|
} else {
Tcl_SetResult(interp,"Unknown parameter",NULL);
return TCL_ERROR;
}
}
}
#if OPENSSL_VERSION_NUMBER < 0x30000000L
bne = BN_new();
rsa = RSA_new();
pkey = EVP_PKEY_new();
if (bne == NULL || rsa == NULL || pkey == NULL || !BN_set_word(bne,RSA_F4) ||
!RSA_generate_key_ex(rsa, keysize, bne, NULL) || !EVP_PKEY_assign_RSA(pkey, rsa)) {
EVP_PKEY_free(pkey);
/* RSA_free(rsa); freed by EVP_PKEY_free */
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|
/* PEM_write_bio_RSAPrivateKey(out, rsa, NULL, NULL, 0, NULL, NULL); */
BIO_free_all(out);
}
if ((cert=X509_new())==NULL) {
Tcl_SetResult(interp,"Error generating certificate request",NULL);
EVP_PKEY_free(pkey);
#if OPENSSL_VERSION_NUMBER > 0x10100000L && OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
return(TCL_ERROR);
}
X509_set_version(cert,2);
ASN1_INTEGER_set(X509_get_serialNumber(cert),serial);
#if OPENSSL_VERSION_NUMBER < 0x10100000L
X509_gmtime_adj(X509_get_notBefore(cert),0);
X509_gmtime_adj(X509_get_notAfter(cert),(long)60*60*24*days);
#else
#endif
#if OPENSSL_VERSION_NUMBER > 0x10100000L && OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
Tcl_SetResult(interp,"Error signing certificate",NULL);
return TCL_ERROR;
}
if (isStr) {
|
|
<
<
<
<
<
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|
/* PEM_write_bio_RSAPrivateKey(out, rsa, NULL, NULL, 0, NULL, NULL); */
BIO_free_all(out);
}
if ((cert=X509_new())==NULL) {
Tcl_SetResult(interp,"Error generating certificate request",NULL);
EVP_PKEY_free(pkey);
#if OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
return(TCL_ERROR);
}
X509_set_version(cert,2);
ASN1_INTEGER_set(X509_get_serialNumber(cert),serial);
X509_gmtime_adj(X509_getm_notBefore(cert),0);
X509_gmtime_adj(X509_getm_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, (const unsigned char *) k_C, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"ST", MBSTRING_ASC, (const unsigned char *) k_ST, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"L", MBSTRING_ASC, (const unsigned char *) k_L, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"O", MBSTRING_ASC, (const unsigned char *) k_O, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"OU", MBSTRING_ASC, (const unsigned char *) k_OU, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"CN", MBSTRING_ASC, (const unsigned char *) k_CN, -1, -1, 0);
X509_NAME_add_entry_by_txt(name,"Email", MBSTRING_ASC, (const unsigned char *) k_Email, -1, -1, 0);
X509_set_subject_name(cert,name);
if (!X509_sign(cert,pkey,EVP_sha256())) {
X509_free(cert);
EVP_PKEY_free(pkey);
#if OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
Tcl_SetResult(interp,"Error signing certificate",NULL);
return TCL_ERROR;
}
if (isStr) {
|
| ︙ | | | ︙ | |
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
|
BIO_write_filename(out,pemout);
PEM_write_bio_X509(out,cert);
BIO_free_all(out);
}
X509_free(cert);
EVP_PKEY_free(pkey);
#if OPENSSL_VERSION_NUMBER > 0x10100000L && OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
}
}
break;
default:
break;
|
|
|
1953
1954
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1956
1957
1958
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1961
1962
1963
1964
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1967
|
BIO_write_filename(out,pemout);
PEM_write_bio_X509(out,cert);
BIO_free_all(out);
}
X509_free(cert);
EVP_PKEY_free(pkey);
#if OPENSSL_VERSION_NUMBER < 0x30000000L
BN_free(bne);
#endif
}
}
break;
default:
break;
|
| ︙ | | | ︙ | |
1843
1844
1845
1846
1847
1848
1849
1850
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1852
1853
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1855
1856
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1858
1859
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1861
1862
|
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);
Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
if (interp) {
Tcl_Eval(interp, tlsTclInitScript);
}
return(Tcl_PkgProvide(interp, "tls", PACKAGE_VERSION));
}
|
>
>
|
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
|
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::connection", ConnectionInfoObjCmd, (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);
Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::protocols", ProtocolsObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
if (interp) {
Tcl_Eval(interp, tlsTclInitScript);
}
return(Tcl_PkgProvide(interp, "tls", PACKAGE_VERSION));
}
|
| ︙ | | | ︙ | |
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
|
}
dprintf("Asked to uninitialize");
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
#if OPENSSL_VERSION_NUMBER < 0x10000000L
CRYPTO_set_locking_callback(NULL);
CRYPTO_set_id_callback(NULL);
#elif OPENSSL_VERSION_NUMBER < 0x10100000L
CRYPTO_set_locking_callback(NULL);
CRYPTO_THREADID_set_callback(NULL)
#endif
|
<
<
<
<
<
<
<
<
|
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
|
}
dprintf("Asked to uninitialize");
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
if (locks) {
free(locks);
locks = NULL;
locksCount = 0;
}
#endif
initialized = 0;
|
| ︙ | | | ︙ | |
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
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1966
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1970
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1997
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|
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
#endif
initialized = 1;
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
#if OPENSSL_VERSION_NUMBER < 0x10100000L
num_locks = CRYPTO_num_locks();
#else
#endif
#if OPENSSL_VERSION_NUMBER < 0x10000000L
CRYPTO_set_locking_callback(CryptoThreadLockCallback);
CRYPTO_set_id_callback(CryptoThreadIdCallback);
#elif OPENSSL_VERSION_NUMBER < 0x10100000L
CRYPTO_set_locking_callback(CryptoThreadLockCallback);
CRYPTO_THREADID_set_callback(CryptoThreadIdCallback)
#endif
# if OPENSSL_VERSION_NUMBER < 0x10100000L
if (SSL_library_init() != 1) {
status = TCL_ERROR;
goto done;
}
#else
#endif
# if OPENSSL_VERSION_NUMBER < 0x10100000L
SSL_load_error_strings();
ERR_load_crypto_strings();
#else
/* Only initialize libcrypto */
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
#endif
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
|
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
|
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
#endif
initialized = 1;
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
num_locks = 1;
locksCount = (int) num_locks;
locks = malloc(sizeof(*locks) * num_locks);
memset(locks, 0, sizeof(*locks) * num_locks);
#endif
/* Initialize BOTH libcrypto and libssl. */
OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS
| OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
BIO_new_tcl(NULL, 0);
#if 0
/*
* XXX:TODO: Remove this code and replace it with a check
* for enough entropy and do not try to create our own
|
| ︙ | | | ︙ | |
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
|
for (i = 0; i < 16; i++) {
rnd_seed[i] = 1 + (char) (255.0 * rand()/(RAND_MAX+1.0));
}
RAND_seed(rnd_seed, sizeof(rnd_seed));
} while (RAND_status() != 1);
#endif
# if OPENSSL_VERSION_NUMBER < 0x10100000L
done:
#endif
|
<
<
<
|
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
|
for (i = 0; i < 16; i++) {
rnd_seed[i] = 1 + (char) (255.0 * rand()/(RAND_MAX+1.0));
}
RAND_seed(rnd_seed, sizeof(rnd_seed));
} while (RAND_status() != 1);
#endif
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexUnlock(&init_mx);
#endif
return(status);
}
|