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int code;
dprintf("Verify: %d", ok);
if (!ok) {
errStr = (char*)X509_verify_cert_error_string(err);
} else {
errStr = (char *)0;
errStr = NULL;
}
if (statePtr->callback == (Tcl_Obj*)NULL) {
if (statePtr->vflags & SSL_VERIFY_FAIL_IF_NO_PEER_CERT) {
return ok;
} else {
return 1;
|
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const char *servername;
const unsigned char *p;
size_t len, remaining;
dprintf("Called");
if (statePtr->callback == (Tcl_Obj*)NULL) {
return SSL_TLSEXT_ERR_OK;
return SSL_CLIENT_HELLO_SUCCESS;
} else if (ssl == NULL) {
return SSL_TLSEXT_ERR_NOACK;
return SSL_CLIENT_HELLO_ERROR;
}
/* Get names */
if (!SSL_client_hello_get0_ext(ssl, TLSEXT_TYPE_server_name, &p, &remaining) || remaining <= 2) {
return SSL_CLIENT_HELLO_ERROR;
}
|
| ︙ | | |
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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, keyfile, certfile, key, cert,
key_len, cert_len, CAdir, CAfile, ciphers, ciphersuites, level, DHparams)) == (SSL_CTX*)0) {
if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key, cert, key_len,
cert_len, CAdir, CAfile, ciphers, ciphersuites, level, DHparams)) == NULL) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
}
statePtr->ctx = ctx;
|
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|
int load_private_key;
const SSL_METHOD *method;
dprintf("Called");
if (!proto) {
Tcl_AppendResult(interp, "no valid protocol selected", NULL);
return (SSL_CTX *)0;
return NULL;
}
/* 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;
return NULL;
}
#endif
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3)
if (ENABLED(proto, TLS_PROTO_SSL3)) {
Tcl_AppendResult(interp, "SSL3 protocol not supported", NULL);
return (SSL_CTX *)0;
return NULL;
}
#endif
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
if (ENABLED(proto, TLS_PROTO_TLS1)) {
Tcl_AppendResult(interp, "TLS 1.0 protocol not supported", NULL);
return (SSL_CTX *)0;
return NULL;
}
#endif
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1)
if (ENABLED(proto, TLS_PROTO_TLS1_1)) {
Tcl_AppendResult(interp, "TLS 1.1 protocol not supported", NULL);
return (SSL_CTX *)0;
return NULL;
}
#endif
#if defined(NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2)
if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
Tcl_AppendResult(interp, "TLS 1.2 protocol not supported", NULL);
return (SSL_CTX *)0;
return NULL;
}
#endif
#if defined(NO_TLS1_3) || defined(OPENSSL_NO_TLS1_3)
if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
return (SSL_CTX *)0;
return NULL;
}
#endif
switch (proto) {
#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
case TLS_PROTO_SSL2:
method = isServer ? SSLv2_server_method() : SSLv2_client_method();
|
| ︙ | | |
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-
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|
#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)) {
Tcl_AppendResult(interp, "Set ciphers failed: No valid ciphers", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
if ((ciphersuites != NULL) && !SSL_CTX_set_ciphersuites(ctx, ciphersuites)) {
Tcl_AppendResult(interp, "Set cipher suites failed: No valid ciphers", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
/* 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;
return NULL;
}
#else
{
DH* dh;
if (DHparams != NULL) {
BIO *bio;
Tcl_DStringInit(&ds);
bio = BIO_new_file(F2N(DHparams, &ds), "r");
if (!bio) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp, "Could not find DH parameters file", (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
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);
return (SSL_CTX *)0;
return NULL;
}
} else {
dh = get_dhParams();
}
SSL_CTX_set_tmp_dh(ctx, dh);
DH_free(dh);
}
|
| ︙ | | |
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|
Tcl_DStringInit(&ds);
if (SSL_CTX_use_certificate_file(ctx, F2N(certfile, &ds), SSL_FILETYPE_PEM) <= 0) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp, "unable to set certificate file ", certfile, ": ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
} else if (cert != NULL) {
load_private_key = 1;
if (SSL_CTX_use_certificate_ASN1(ctx, cert_len, cert) <= 0) {
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp, "unable to set certificate: ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
} else {
certfile = (char*)X509_get_default_cert_file();
if (SSL_CTX_use_certificate_file(ctx, certfile, SSL_FILETYPE_PEM) <= 0) {
#if 0
Tcl_DStringFree(&ds);
Tcl_AppendResult(interp, "unable to use default certificate file ", certfile, ": ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
#endif
}
}
/* set our private key */
if (load_private_key) {
if (keyfile == NULL && key == NULL) {
|
| ︙ | | |
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|
if (SSL_CTX_use_PrivateKey_file(ctx, F2N(keyfile, &ds), SSL_FILETYPE_PEM) <= 0) {
Tcl_DStringFree(&ds);
/* flush the passphrase which might be left in the result */
Tcl_SetResult(interp, NULL, TCL_STATIC);
Tcl_AppendResult(interp, "unable to set public key file ", keyfile, " ",
REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
Tcl_DStringFree(&ds);
} else if (key != NULL) {
if (SSL_CTX_use_PrivateKey_ASN1(EVP_PKEY_RSA, ctx, key,key_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: ", REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
}
}
/* Now we know that a key and cert have been set against
* 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;
return NULL;
}
}
/* Set verification CAs */
Tcl_DStringInit(&ds);
Tcl_DStringInit(&ds1);
if (!SSL_CTX_load_verify_locations(ctx, F2N(CAfile, &ds), F2N(CAdir, &ds1)) ||
!SSL_CTX_set_default_verify_paths(ctx)) {
#if 0
Tcl_DStringFree(&ds);
Tcl_DStringFree(&ds1);
/* Don't currently care if this fails */
Tcl_AppendResult(interp, "SSL default verify paths: ", REASON(), (char *) NULL);
SSL_CTX_free(ctx);
return (SSL_CTX *)0;
return NULL;
#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));
|
| ︙ | | |