1767 lines
52 KiB
C
1767 lines
52 KiB
C
/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#define USE_SOCKETS
|
|
#define NON_MAIN
|
|
#include "apps.h"
|
|
#undef NON_MAIN
|
|
#undef USE_SOCKETS
|
|
#include <openssl/err.h>
|
|
#include <openssl/rand.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/ssl.h>
|
|
#include <openssl/bn.h>
|
|
#ifndef OPENSSL_NO_DH
|
|
# include <openssl/dh.h>
|
|
#endif
|
|
#include "s_apps.h"
|
|
|
|
#define COOKIE_SECRET_LENGTH 16
|
|
|
|
int verify_depth = 0;
|
|
int verify_quiet = 0;
|
|
int verify_error = X509_V_OK;
|
|
int verify_return_error = 0;
|
|
unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
|
|
int cookie_initialized = 0;
|
|
|
|
int verify_callback(int ok, X509_STORE_CTX *ctx)
|
|
{
|
|
X509 *err_cert;
|
|
int err, depth;
|
|
|
|
err_cert = X509_STORE_CTX_get_current_cert(ctx);
|
|
err = X509_STORE_CTX_get_error(ctx);
|
|
depth = X509_STORE_CTX_get_error_depth(ctx);
|
|
|
|
if (!verify_quiet || !ok) {
|
|
BIO_printf(bio_err, "depth=%d ", depth);
|
|
if (err_cert) {
|
|
X509_NAME_print_ex(bio_err,
|
|
X509_get_subject_name(err_cert),
|
|
0, XN_FLAG_ONELINE);
|
|
BIO_puts(bio_err, "\n");
|
|
} else
|
|
BIO_puts(bio_err, "<no cert>\n");
|
|
}
|
|
if (!ok) {
|
|
BIO_printf(bio_err, "verify error:num=%d:%s\n", err,
|
|
X509_verify_cert_error_string(err));
|
|
if (verify_depth >= depth) {
|
|
if (!verify_return_error)
|
|
ok = 1;
|
|
verify_error = X509_V_OK;
|
|
} else {
|
|
ok = 0;
|
|
verify_error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
|
|
}
|
|
}
|
|
switch (err) {
|
|
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
|
|
BIO_puts(bio_err, "issuer= ");
|
|
X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
|
|
0, XN_FLAG_ONELINE);
|
|
BIO_puts(bio_err, "\n");
|
|
break;
|
|
case X509_V_ERR_CERT_NOT_YET_VALID:
|
|
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
|
|
BIO_printf(bio_err, "notBefore=");
|
|
ASN1_TIME_print(bio_err, X509_get_notBefore(err_cert));
|
|
BIO_printf(bio_err, "\n");
|
|
break;
|
|
case X509_V_ERR_CERT_HAS_EXPIRED:
|
|
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
|
|
BIO_printf(bio_err, "notAfter=");
|
|
ASN1_TIME_print(bio_err, X509_get_notAfter(err_cert));
|
|
BIO_printf(bio_err, "\n");
|
|
break;
|
|
case X509_V_ERR_NO_EXPLICIT_POLICY:
|
|
if (!verify_quiet)
|
|
policies_print(bio_err, ctx);
|
|
break;
|
|
}
|
|
if (err == X509_V_OK && ok == 2 && !verify_quiet)
|
|
policies_print(bio_err, ctx);
|
|
if (ok && !verify_quiet)
|
|
BIO_printf(bio_err, "verify return:%d\n", ok);
|
|
return (ok);
|
|
}
|
|
|
|
int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
|
|
{
|
|
if (cert_file != NULL) {
|
|
/*-
|
|
SSL *ssl;
|
|
X509 *x509;
|
|
*/
|
|
|
|
if (SSL_CTX_use_certificate_file(ctx, cert_file,
|
|
SSL_FILETYPE_PEM) <= 0) {
|
|
BIO_printf(bio_err, "unable to get certificate from '%s'\n",
|
|
cert_file);
|
|
ERR_print_errors(bio_err);
|
|
return (0);
|
|
}
|
|
if (key_file == NULL)
|
|
key_file = cert_file;
|
|
if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) {
|
|
BIO_printf(bio_err, "unable to get private key from '%s'\n",
|
|
key_file);
|
|
ERR_print_errors(bio_err);
|
|
return (0);
|
|
}
|
|
|
|
/*-
|
|
In theory this is no longer needed
|
|
ssl=SSL_new(ctx);
|
|
x509=SSL_get_certificate(ssl);
|
|
|
|
if (x509 != NULL) {
|
|
EVP_PKEY *pktmp;
|
|
pktmp = X509_get_pubkey(x509);
|
|
EVP_PKEY_copy_parameters(pktmp,
|
|
SSL_get_privatekey(ssl));
|
|
EVP_PKEY_free(pktmp);
|
|
}
|
|
SSL_free(ssl);
|
|
*/
|
|
|
|
/*
|
|
* If we are using DSA, we can copy the parameters from the private
|
|
* key
|
|
*/
|
|
|
|
/*
|
|
* Now we know that a key and cert have been set against the SSL
|
|
* context
|
|
*/
|
|
if (!SSL_CTX_check_private_key(ctx)) {
|
|
BIO_printf(bio_err,
|
|
"Private key does not match the certificate public key\n");
|
|
return (0);
|
|
}
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
|
|
STACK_OF(X509) *chain, int build_chain)
|
|
{
|
|
int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
|
|
if (cert == NULL)
|
|
return 1;
|
|
if (SSL_CTX_use_certificate(ctx, cert) <= 0) {
|
|
BIO_printf(bio_err, "error setting certificate\n");
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
|
|
if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) {
|
|
BIO_printf(bio_err, "error setting private key\n");
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Now we know that a key and cert have been set against the SSL context
|
|
*/
|
|
if (!SSL_CTX_check_private_key(ctx)) {
|
|
BIO_printf(bio_err,
|
|
"Private key does not match the certificate public key\n");
|
|
return 0;
|
|
}
|
|
if (chain && !SSL_CTX_set1_chain(ctx, chain)) {
|
|
BIO_printf(bio_err, "error setting certificate chain\n");
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) {
|
|
BIO_printf(bio_err, "error building certificate chain\n");
|
|
ERR_print_errors(bio_err);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void ssl_print_client_cert_types(BIO *bio, SSL *s)
|
|
{
|
|
const unsigned char *p;
|
|
int i;
|
|
int cert_type_num = SSL_get0_certificate_types(s, &p);
|
|
if (!cert_type_num)
|
|
return;
|
|
BIO_puts(bio, "Client Certificate Types: ");
|
|
for (i = 0; i < cert_type_num; i++) {
|
|
unsigned char cert_type = p[i];
|
|
char *cname;
|
|
switch (cert_type) {
|
|
case TLS_CT_RSA_SIGN:
|
|
cname = "RSA sign";
|
|
break;
|
|
|
|
case TLS_CT_DSS_SIGN:
|
|
cname = "DSA sign";
|
|
break;
|
|
|
|
case TLS_CT_RSA_FIXED_DH:
|
|
cname = "RSA fixed DH";
|
|
break;
|
|
|
|
case TLS_CT_DSS_FIXED_DH:
|
|
cname = "DSS fixed DH";
|
|
break;
|
|
|
|
case TLS_CT_ECDSA_SIGN:
|
|
cname = "ECDSA sign";
|
|
break;
|
|
|
|
case TLS_CT_RSA_FIXED_ECDH:
|
|
cname = "RSA fixed ECDH";
|
|
break;
|
|
|
|
case TLS_CT_ECDSA_FIXED_ECDH:
|
|
cname = "ECDSA fixed ECDH";
|
|
break;
|
|
|
|
case TLS_CT_GOST94_SIGN:
|
|
cname = "GOST94 Sign";
|
|
break;
|
|
|
|
case TLS_CT_GOST01_SIGN:
|
|
cname = "GOST01 Sign";
|
|
break;
|
|
|
|
default:
|
|
cname = NULL;
|
|
}
|
|
|
|
if (i)
|
|
BIO_puts(bio, ", ");
|
|
|
|
if (cname)
|
|
BIO_puts(bio, cname);
|
|
else
|
|
BIO_printf(bio, "UNKNOWN (%d),", cert_type);
|
|
}
|
|
BIO_puts(bio, "\n");
|
|
}
|
|
|
|
static int do_print_sigalgs(BIO *out, SSL *s, int shared)
|
|
{
|
|
int i, nsig, client;
|
|
client = SSL_is_server(s) ? 0 : 1;
|
|
if (shared)
|
|
nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
|
|
else
|
|
nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
|
|
if (nsig == 0)
|
|
return 1;
|
|
|
|
if (shared)
|
|
BIO_puts(out, "Shared ");
|
|
|
|
if (client)
|
|
BIO_puts(out, "Requested ");
|
|
BIO_puts(out, "Signature Algorithms: ");
|
|
for (i = 0; i < nsig; i++) {
|
|
int hash_nid, sign_nid;
|
|
unsigned char rhash, rsign;
|
|
const char *sstr = NULL;
|
|
if (shared)
|
|
SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
|
|
&rsign, &rhash);
|
|
else
|
|
SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash);
|
|
if (i)
|
|
BIO_puts(out, ":");
|
|
if (sign_nid == EVP_PKEY_RSA)
|
|
sstr = "RSA";
|
|
else if (sign_nid == EVP_PKEY_DSA)
|
|
sstr = "DSA";
|
|
else if (sign_nid == EVP_PKEY_EC)
|
|
sstr = "ECDSA";
|
|
if (sstr)
|
|
BIO_printf(out, "%s+", sstr);
|
|
else
|
|
BIO_printf(out, "0x%02X+", (int)rsign);
|
|
if (hash_nid != NID_undef)
|
|
BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
|
|
else
|
|
BIO_printf(out, "0x%02X", (int)rhash);
|
|
}
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
|
|
int ssl_print_sigalgs(BIO *out, SSL *s)
|
|
{
|
|
int mdnid;
|
|
if (!SSL_is_server(s))
|
|
ssl_print_client_cert_types(out, s);
|
|
do_print_sigalgs(out, s, 0);
|
|
do_print_sigalgs(out, s, 1);
|
|
if (SSL_get_peer_signature_nid(s, &mdnid))
|
|
BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid));
|
|
return 1;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_EC
|
|
int ssl_print_point_formats(BIO *out, SSL *s)
|
|
{
|
|
int i, nformats;
|
|
const char *pformats;
|
|
nformats = SSL_get0_ec_point_formats(s, &pformats);
|
|
if (nformats <= 0)
|
|
return 1;
|
|
BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
|
|
for (i = 0; i < nformats; i++, pformats++) {
|
|
if (i)
|
|
BIO_puts(out, ":");
|
|
switch (*pformats) {
|
|
case TLSEXT_ECPOINTFORMAT_uncompressed:
|
|
BIO_puts(out, "uncompressed");
|
|
break;
|
|
|
|
case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
|
|
BIO_puts(out, "ansiX962_compressed_prime");
|
|
break;
|
|
|
|
case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
|
|
BIO_puts(out, "ansiX962_compressed_char2");
|
|
break;
|
|
|
|
default:
|
|
BIO_printf(out, "unknown(%d)", (int)*pformats);
|
|
break;
|
|
|
|
}
|
|
}
|
|
if (nformats <= 0)
|
|
BIO_puts(out, "NONE");
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
|
|
int ssl_print_curves(BIO *out, SSL *s, int noshared)
|
|
{
|
|
int i, ncurves, *curves, nid;
|
|
const char *cname;
|
|
ncurves = SSL_get1_curves(s, NULL);
|
|
if (ncurves <= 0)
|
|
return 1;
|
|
curves = OPENSSL_malloc(ncurves * sizeof(int));
|
|
SSL_get1_curves(s, curves);
|
|
|
|
BIO_puts(out, "Supported Elliptic Curves: ");
|
|
for (i = 0; i < ncurves; i++) {
|
|
if (i)
|
|
BIO_puts(out, ":");
|
|
nid = curves[i];
|
|
/* If unrecognised print out hex version */
|
|
if (nid & TLSEXT_nid_unknown)
|
|
BIO_printf(out, "0x%04X", nid & 0xFFFF);
|
|
else {
|
|
/* Use NIST name for curve if it exists */
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "%s", cname);
|
|
}
|
|
}
|
|
if (ncurves == 0)
|
|
BIO_puts(out, "NONE");
|
|
OPENSSL_free(curves);
|
|
if (noshared) {
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
BIO_puts(out, "\nShared Elliptic curves: ");
|
|
ncurves = SSL_get_shared_curve(s, -1);
|
|
for (i = 0; i < ncurves; i++) {
|
|
if (i)
|
|
BIO_puts(out, ":");
|
|
nid = SSL_get_shared_curve(s, i);
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "%s", cname);
|
|
}
|
|
if (ncurves == 0)
|
|
BIO_puts(out, "NONE");
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
#endif
|
|
int ssl_print_tmp_key(BIO *out, SSL *s)
|
|
{
|
|
EVP_PKEY *key;
|
|
if (!SSL_get_server_tmp_key(s, &key))
|
|
return 1;
|
|
BIO_puts(out, "Server Temp Key: ");
|
|
switch (EVP_PKEY_id(key)) {
|
|
case EVP_PKEY_RSA:
|
|
BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
|
|
break;
|
|
|
|
case EVP_PKEY_DH:
|
|
BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
|
|
break;
|
|
#ifndef OPENSSL_NO_ECDH
|
|
case EVP_PKEY_EC:
|
|
{
|
|
EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
|
|
int nid;
|
|
const char *cname;
|
|
nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
|
|
EC_KEY_free(ec);
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key));
|
|
}
|
|
#endif
|
|
}
|
|
EVP_PKEY_free(key);
|
|
return 1;
|
|
}
|
|
|
|
long bio_dump_callback(BIO *bio, int cmd, const char *argp,
|
|
int argi, long argl, long ret)
|
|
{
|
|
BIO *out;
|
|
|
|
out = (BIO *)BIO_get_callback_arg(bio);
|
|
if (out == NULL)
|
|
return (ret);
|
|
|
|
if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) {
|
|
BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
|
|
(void *)bio, argp, (unsigned long)argi, ret, ret);
|
|
BIO_dump(out, argp, (int)ret);
|
|
return (ret);
|
|
} else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) {
|
|
BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
|
|
(void *)bio, argp, (unsigned long)argi, ret, ret);
|
|
BIO_dump(out, argp, (int)ret);
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
void apps_ssl_info_callback(const SSL *s, int where, int ret)
|
|
{
|
|
const char *str;
|
|
int w;
|
|
|
|
w = where & ~SSL_ST_MASK;
|
|
|
|
if (w & SSL_ST_CONNECT)
|
|
str = "SSL_connect";
|
|
else if (w & SSL_ST_ACCEPT)
|
|
str = "SSL_accept";
|
|
else
|
|
str = "undefined";
|
|
|
|
if (where & SSL_CB_LOOP) {
|
|
BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s));
|
|
} else if (where & SSL_CB_ALERT) {
|
|
str = (where & SSL_CB_READ) ? "read" : "write";
|
|
BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n",
|
|
str,
|
|
SSL_alert_type_string_long(ret),
|
|
SSL_alert_desc_string_long(ret));
|
|
} else if (where & SSL_CB_EXIT) {
|
|
if (ret == 0)
|
|
BIO_printf(bio_err, "%s:failed in %s\n",
|
|
str, SSL_state_string_long(s));
|
|
else if (ret < 0) {
|
|
BIO_printf(bio_err, "%s:error in %s\n",
|
|
str, SSL_state_string_long(s));
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char *ssl_version_str(int version)
|
|
{
|
|
switch (version) {
|
|
case SSL3_VERSION:
|
|
return "SSL 3.0";
|
|
case TLS1_VERSION:
|
|
return "TLS 1.0";
|
|
case TLS1_1_VERSION:
|
|
return "TLS 1.1";
|
|
case TLS1_2_VERSION:
|
|
return "TLS 1.2";
|
|
case DTLS1_VERSION:
|
|
return "DTLS 1.0";
|
|
case DTLS1_BAD_VER:
|
|
return "DTLS 1.0 (bad)";
|
|
default:
|
|
return "???";
|
|
}
|
|
}
|
|
|
|
void msg_cb(int write_p, int version, int content_type, const void *buf,
|
|
size_t len, SSL *ssl, void *arg)
|
|
{
|
|
BIO *bio = arg;
|
|
const char *str_write_p, *str_version, *str_content_type =
|
|
"", *str_details1 = "", *str_details2 = "";
|
|
|
|
str_write_p = write_p ? ">>>" : "<<<";
|
|
|
|
str_version = ssl_version_str(version);
|
|
|
|
if (version == SSL3_VERSION ||
|
|
version == TLS1_VERSION ||
|
|
version == TLS1_1_VERSION ||
|
|
version == TLS1_2_VERSION ||
|
|
version == DTLS1_VERSION || version == DTLS1_BAD_VER) {
|
|
switch (content_type) {
|
|
case 20:
|
|
str_content_type = "ChangeCipherSpec";
|
|
break;
|
|
case 21:
|
|
str_content_type = "Alert";
|
|
break;
|
|
case 22:
|
|
str_content_type = "Handshake";
|
|
break;
|
|
}
|
|
|
|
if (content_type == 21) { /* Alert */
|
|
str_details1 = ", ???";
|
|
|
|
if (len == 2) {
|
|
switch (((const unsigned char *)buf)[0]) {
|
|
case 1:
|
|
str_details1 = ", warning";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", fatal";
|
|
break;
|
|
}
|
|
|
|
str_details2 = " ???";
|
|
switch (((const unsigned char *)buf)[1]) {
|
|
case 0:
|
|
str_details2 = " close_notify";
|
|
break;
|
|
case 10:
|
|
str_details2 = " unexpected_message";
|
|
break;
|
|
case 20:
|
|
str_details2 = " bad_record_mac";
|
|
break;
|
|
case 21:
|
|
str_details2 = " decryption_failed";
|
|
break;
|
|
case 22:
|
|
str_details2 = " record_overflow";
|
|
break;
|
|
case 30:
|
|
str_details2 = " decompression_failure";
|
|
break;
|
|
case 40:
|
|
str_details2 = " handshake_failure";
|
|
break;
|
|
case 42:
|
|
str_details2 = " bad_certificate";
|
|
break;
|
|
case 43:
|
|
str_details2 = " unsupported_certificate";
|
|
break;
|
|
case 44:
|
|
str_details2 = " certificate_revoked";
|
|
break;
|
|
case 45:
|
|
str_details2 = " certificate_expired";
|
|
break;
|
|
case 46:
|
|
str_details2 = " certificate_unknown";
|
|
break;
|
|
case 47:
|
|
str_details2 = " illegal_parameter";
|
|
break;
|
|
case 48:
|
|
str_details2 = " unknown_ca";
|
|
break;
|
|
case 49:
|
|
str_details2 = " access_denied";
|
|
break;
|
|
case 50:
|
|
str_details2 = " decode_error";
|
|
break;
|
|
case 51:
|
|
str_details2 = " decrypt_error";
|
|
break;
|
|
case 60:
|
|
str_details2 = " export_restriction";
|
|
break;
|
|
case 70:
|
|
str_details2 = " protocol_version";
|
|
break;
|
|
case 71:
|
|
str_details2 = " insufficient_security";
|
|
break;
|
|
case 80:
|
|
str_details2 = " internal_error";
|
|
break;
|
|
case 90:
|
|
str_details2 = " user_canceled";
|
|
break;
|
|
case 100:
|
|
str_details2 = " no_renegotiation";
|
|
break;
|
|
case 110:
|
|
str_details2 = " unsupported_extension";
|
|
break;
|
|
case 111:
|
|
str_details2 = " certificate_unobtainable";
|
|
break;
|
|
case 112:
|
|
str_details2 = " unrecognized_name";
|
|
break;
|
|
case 113:
|
|
str_details2 = " bad_certificate_status_response";
|
|
break;
|
|
case 114:
|
|
str_details2 = " bad_certificate_hash_value";
|
|
break;
|
|
case 115:
|
|
str_details2 = " unknown_psk_identity";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (content_type == 22) { /* Handshake */
|
|
str_details1 = "???";
|
|
|
|
if (len > 0) {
|
|
switch (((const unsigned char *)buf)[0]) {
|
|
case 0:
|
|
str_details1 = ", HelloRequest";
|
|
break;
|
|
case 1:
|
|
str_details1 = ", ClientHello";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", ServerHello";
|
|
break;
|
|
case 3:
|
|
str_details1 = ", HelloVerifyRequest";
|
|
break;
|
|
case 11:
|
|
str_details1 = ", Certificate";
|
|
break;
|
|
case 12:
|
|
str_details1 = ", ServerKeyExchange";
|
|
break;
|
|
case 13:
|
|
str_details1 = ", CertificateRequest";
|
|
break;
|
|
case 14:
|
|
str_details1 = ", ServerHelloDone";
|
|
break;
|
|
case 15:
|
|
str_details1 = ", CertificateVerify";
|
|
break;
|
|
case 16:
|
|
str_details1 = ", ClientKeyExchange";
|
|
break;
|
|
case 20:
|
|
str_details1 = ", Finished";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#ifndef OPENSSL_NO_HEARTBEATS
|
|
if (content_type == 24) { /* Heartbeat */
|
|
str_details1 = ", Heartbeat";
|
|
|
|
if (len > 0) {
|
|
switch (((const unsigned char *)buf)[0]) {
|
|
case 1:
|
|
str_details1 = ", HeartbeatRequest";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", HeartbeatResponse";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version,
|
|
str_content_type, (unsigned long)len, str_details1,
|
|
str_details2);
|
|
|
|
if (len > 0) {
|
|
size_t num, i;
|
|
|
|
BIO_printf(bio, " ");
|
|
num = len;
|
|
for (i = 0; i < num; i++) {
|
|
if (i % 16 == 0 && i > 0)
|
|
BIO_printf(bio, "\n ");
|
|
BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]);
|
|
}
|
|
if (i < len)
|
|
BIO_printf(bio, " ...");
|
|
BIO_printf(bio, "\n");
|
|
}
|
|
(void)BIO_flush(bio);
|
|
}
|
|
|
|
void tlsext_cb(SSL *s, int client_server, int type,
|
|
unsigned char *data, int len, void *arg)
|
|
{
|
|
BIO *bio = arg;
|
|
char *extname;
|
|
|
|
switch (type) {
|
|
case TLSEXT_TYPE_server_name:
|
|
extname = "server name";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_max_fragment_length:
|
|
extname = "max fragment length";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_client_certificate_url:
|
|
extname = "client certificate URL";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_trusted_ca_keys:
|
|
extname = "trusted CA keys";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_truncated_hmac:
|
|
extname = "truncated HMAC";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_status_request:
|
|
extname = "status request";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_user_mapping:
|
|
extname = "user mapping";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_client_authz:
|
|
extname = "client authz";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_server_authz:
|
|
extname = "server authz";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_cert_type:
|
|
extname = "cert type";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_elliptic_curves:
|
|
extname = "elliptic curves";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_ec_point_formats:
|
|
extname = "EC point formats";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_srp:
|
|
extname = "SRP";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_signature_algorithms:
|
|
extname = "signature algorithms";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_use_srtp:
|
|
extname = "use SRTP";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_heartbeat:
|
|
extname = "heartbeat";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_session_ticket:
|
|
extname = "session ticket";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_renegotiate:
|
|
extname = "renegotiation info";
|
|
break;
|
|
|
|
#ifdef TLSEXT_TYPE_next_proto_neg
|
|
case TLSEXT_TYPE_next_proto_neg:
|
|
extname = "next protocol";
|
|
break;
|
|
#endif
|
|
#ifdef TLSEXT_TYPE_encrypt_then_mac
|
|
case TLSEXT_TYPE_encrypt_then_mac:
|
|
extname = "encrypt-then-mac";
|
|
break;
|
|
#endif
|
|
case TLSEXT_TYPE_padding:
|
|
extname = "TLS padding";
|
|
break;
|
|
|
|
default:
|
|
extname = "unknown";
|
|
break;
|
|
|
|
}
|
|
|
|
BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
|
|
client_server ? "server" : "client", extname, type, len);
|
|
BIO_dump(bio, (char *)data, len);
|
|
(void)BIO_flush(bio);
|
|
}
|
|
|
|
int generate_cookie_callback(SSL *ssl, unsigned char *cookie,
|
|
unsigned int *cookie_len)
|
|
{
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE];
|
|
unsigned int length, resultlength;
|
|
union {
|
|
struct sockaddr sa;
|
|
struct sockaddr_in s4;
|
|
#if OPENSSL_USE_IPV6
|
|
struct sockaddr_in6 s6;
|
|
#endif
|
|
} peer;
|
|
|
|
/* Initialize a random secret */
|
|
if (!cookie_initialized) {
|
|
if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH)) {
|
|
BIO_printf(bio_err, "error setting random cookie secret\n");
|
|
return 0;
|
|
}
|
|
cookie_initialized = 1;
|
|
}
|
|
|
|
/* Read peer information */
|
|
(void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
|
|
|
|
/* Create buffer with peer's address and port */
|
|
length = 0;
|
|
switch (peer.sa.sa_family) {
|
|
case AF_INET:
|
|
length += sizeof(struct in_addr);
|
|
length += sizeof(peer.s4.sin_port);
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
length += sizeof(struct in6_addr);
|
|
length += sizeof(peer.s6.sin6_port);
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
buffer = OPENSSL_malloc(length);
|
|
|
|
if (buffer == NULL) {
|
|
BIO_printf(bio_err, "out of memory\n");
|
|
return 0;
|
|
}
|
|
|
|
switch (peer.sa.sa_family) {
|
|
case AF_INET:
|
|
memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port));
|
|
memcpy(buffer + sizeof(peer.s4.sin_port),
|
|
&peer.s4.sin_addr, sizeof(struct in_addr));
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port));
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port),
|
|
&peer.s6.sin6_addr, sizeof(struct in6_addr));
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
|
|
/* Calculate HMAC of buffer using the secret */
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
|
|
buffer, length, result, &resultlength);
|
|
OPENSSL_free(buffer);
|
|
|
|
memcpy(cookie, result, resultlength);
|
|
*cookie_len = resultlength;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int verify_cookie_callback(SSL *ssl, unsigned char *cookie,
|
|
unsigned int cookie_len)
|
|
{
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE];
|
|
unsigned int length, resultlength;
|
|
union {
|
|
struct sockaddr sa;
|
|
struct sockaddr_in s4;
|
|
#if OPENSSL_USE_IPV6
|
|
struct sockaddr_in6 s6;
|
|
#endif
|
|
} peer;
|
|
|
|
/* If secret isn't initialized yet, the cookie can't be valid */
|
|
if (!cookie_initialized)
|
|
return 0;
|
|
|
|
/* Read peer information */
|
|
(void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
|
|
|
|
/* Create buffer with peer's address and port */
|
|
length = 0;
|
|
switch (peer.sa.sa_family) {
|
|
case AF_INET:
|
|
length += sizeof(struct in_addr);
|
|
length += sizeof(peer.s4.sin_port);
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
length += sizeof(struct in6_addr);
|
|
length += sizeof(peer.s6.sin6_port);
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
buffer = OPENSSL_malloc(length);
|
|
|
|
if (buffer == NULL) {
|
|
BIO_printf(bio_err, "out of memory\n");
|
|
return 0;
|
|
}
|
|
|
|
switch (peer.sa.sa_family) {
|
|
case AF_INET:
|
|
memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port));
|
|
memcpy(buffer + sizeof(peer.s4.sin_port),
|
|
&peer.s4.sin_addr, sizeof(struct in_addr));
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port));
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port),
|
|
&peer.s6.sin6_addr, sizeof(struct in6_addr));
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
|
|
/* Calculate HMAC of buffer using the secret */
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
|
|
buffer, length, result, &resultlength);
|
|
OPENSSL_free(buffer);
|
|
|
|
if (cookie_len == resultlength
|
|
&& memcmp(result, cookie, resultlength) == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Example of extended certificate handling. Where the standard support of
|
|
* one certificate per algorithm is not sufficient an application can decide
|
|
* which certificate(s) to use at runtime based on whatever criteria it deems
|
|
* appropriate.
|
|
*/
|
|
|
|
/* Linked list of certificates, keys and chains */
|
|
struct ssl_excert_st {
|
|
int certform;
|
|
const char *certfile;
|
|
int keyform;
|
|
const char *keyfile;
|
|
const char *chainfile;
|
|
X509 *cert;
|
|
EVP_PKEY *key;
|
|
STACK_OF(X509) *chain;
|
|
int build_chain;
|
|
struct ssl_excert_st *next, *prev;
|
|
};
|
|
|
|
struct chain_flags {
|
|
int flag;
|
|
const char *name;
|
|
};
|
|
|
|
struct chain_flags chain_flags_list[] = {
|
|
{CERT_PKEY_VALID, "Overall Validity"},
|
|
{CERT_PKEY_SIGN, "Sign with EE key"},
|
|
{CERT_PKEY_EE_SIGNATURE, "EE signature"},
|
|
{CERT_PKEY_CA_SIGNATURE, "CA signature"},
|
|
{CERT_PKEY_EE_PARAM, "EE key parameters"},
|
|
{CERT_PKEY_CA_PARAM, "CA key parameters"},
|
|
{CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
|
|
{CERT_PKEY_ISSUER_NAME, "Issuer Name"},
|
|
{CERT_PKEY_CERT_TYPE, "Certificate Type"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static void print_chain_flags(BIO *out, SSL *s, int flags)
|
|
{
|
|
struct chain_flags *ctmp = chain_flags_list;
|
|
while (ctmp->name) {
|
|
BIO_printf(out, "\t%s: %s\n", ctmp->name,
|
|
flags & ctmp->flag ? "OK" : "NOT OK");
|
|
ctmp++;
|
|
}
|
|
BIO_printf(out, "\tSuite B: ");
|
|
if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
|
|
BIO_puts(out, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
|
|
else
|
|
BIO_printf(out, "not tested\n");
|
|
}
|
|
|
|
/*
|
|
* Very basic selection callback: just use any certificate chain reported as
|
|
* valid. More sophisticated could prioritise according to local policy.
|
|
*/
|
|
static int set_cert_cb(SSL *ssl, void *arg)
|
|
{
|
|
int i, rv;
|
|
SSL_EXCERT *exc = arg;
|
|
#ifdef CERT_CB_TEST_RETRY
|
|
static int retry_cnt;
|
|
if (retry_cnt < 5) {
|
|
retry_cnt++;
|
|
fprintf(stderr, "Certificate callback retry test: count %d\n",
|
|
retry_cnt);
|
|
return -1;
|
|
}
|
|
#endif
|
|
SSL_certs_clear(ssl);
|
|
|
|
if (!exc)
|
|
return 1;
|
|
|
|
/*
|
|
* Go to end of list and traverse backwards since we prepend newer
|
|
* entries this retains the original order.
|
|
*/
|
|
while (exc->next)
|
|
exc = exc->next;
|
|
|
|
i = 0;
|
|
|
|
while (exc) {
|
|
i++;
|
|
rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
|
|
BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
|
|
X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
|
|
XN_FLAG_ONELINE);
|
|
BIO_puts(bio_err, "\n");
|
|
|
|
print_chain_flags(bio_err, ssl, rv);
|
|
if (rv & CERT_PKEY_VALID) {
|
|
SSL_use_certificate(ssl, exc->cert);
|
|
SSL_use_PrivateKey(ssl, exc->key);
|
|
/*
|
|
* NB: we wouldn't normally do this as it is not efficient
|
|
* building chains on each connection better to cache the chain
|
|
* in advance.
|
|
*/
|
|
if (exc->build_chain) {
|
|
if (!SSL_build_cert_chain(ssl, 0))
|
|
return 0;
|
|
} else if (exc->chain)
|
|
SSL_set1_chain(ssl, exc->chain);
|
|
}
|
|
exc = exc->prev;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
|
|
{
|
|
SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
|
|
}
|
|
|
|
static int ssl_excert_prepend(SSL_EXCERT **pexc)
|
|
{
|
|
SSL_EXCERT *exc;
|
|
exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
|
|
if (!exc)
|
|
return 0;
|
|
exc->certfile = NULL;
|
|
exc->keyfile = NULL;
|
|
exc->chainfile = NULL;
|
|
exc->cert = NULL;
|
|
exc->key = NULL;
|
|
exc->chain = NULL;
|
|
exc->prev = NULL;
|
|
exc->build_chain = 0;
|
|
|
|
exc->next = *pexc;
|
|
*pexc = exc;
|
|
|
|
if (exc->next) {
|
|
exc->certform = exc->next->certform;
|
|
exc->keyform = exc->next->keyform;
|
|
exc->next->prev = exc;
|
|
} else {
|
|
exc->certform = FORMAT_PEM;
|
|
exc->keyform = FORMAT_PEM;
|
|
}
|
|
return 1;
|
|
|
|
}
|
|
|
|
void ssl_excert_free(SSL_EXCERT *exc)
|
|
{
|
|
SSL_EXCERT *curr;
|
|
while (exc) {
|
|
if (exc->cert)
|
|
X509_free(exc->cert);
|
|
if (exc->key)
|
|
EVP_PKEY_free(exc->key);
|
|
if (exc->chain)
|
|
sk_X509_pop_free(exc->chain, X509_free);
|
|
curr = exc;
|
|
exc = exc->next;
|
|
OPENSSL_free(curr);
|
|
}
|
|
}
|
|
|
|
int load_excert(SSL_EXCERT **pexc, BIO *err)
|
|
{
|
|
SSL_EXCERT *exc = *pexc;
|
|
if (!exc)
|
|
return 1;
|
|
/* If nothing in list, free and set to NULL */
|
|
if (!exc->certfile && !exc->next) {
|
|
ssl_excert_free(exc);
|
|
*pexc = NULL;
|
|
return 1;
|
|
}
|
|
for (; exc; exc = exc->next) {
|
|
if (!exc->certfile) {
|
|
BIO_printf(err, "Missing filename\n");
|
|
return 0;
|
|
}
|
|
exc->cert = load_cert(err, exc->certfile, exc->certform,
|
|
NULL, NULL, "Server Certificate");
|
|
if (!exc->cert)
|
|
return 0;
|
|
if (exc->keyfile) {
|
|
exc->key = load_key(err, exc->keyfile, exc->keyform,
|
|
0, NULL, NULL, "Server Key");
|
|
} else {
|
|
exc->key = load_key(err, exc->certfile, exc->certform,
|
|
0, NULL, NULL, "Server Key");
|
|
}
|
|
if (!exc->key)
|
|
return 0;
|
|
if (exc->chainfile) {
|
|
exc->chain = load_certs(err,
|
|
exc->chainfile, FORMAT_PEM,
|
|
NULL, NULL, "Server Chain");
|
|
if (!exc->chain)
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int args_excert(char ***pargs, int *pargc,
|
|
int *badarg, BIO *err, SSL_EXCERT **pexc)
|
|
{
|
|
char *arg = **pargs, *argn = (*pargs)[1];
|
|
SSL_EXCERT *exc = *pexc;
|
|
int narg = 2;
|
|
if (!exc) {
|
|
if (ssl_excert_prepend(&exc))
|
|
*pexc = exc;
|
|
else {
|
|
BIO_printf(err, "Error initialising xcert\n");
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
}
|
|
if (strcmp(arg, "-xcert") == 0) {
|
|
if (!argn) {
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->certfile && !ssl_excert_prepend(&exc)) {
|
|
BIO_printf(err, "Error adding xcert\n");
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->certfile = argn;
|
|
} else if (strcmp(arg, "-xkey") == 0) {
|
|
if (!argn) {
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->keyfile) {
|
|
BIO_printf(err, "Key already specified\n");
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
exc->keyfile = argn;
|
|
} else if (strcmp(arg, "-xchain") == 0) {
|
|
if (!argn) {
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->chainfile) {
|
|
BIO_printf(err, "Chain already specified\n");
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
exc->chainfile = argn;
|
|
} else if (strcmp(arg, "-xchain_build") == 0) {
|
|
narg = 1;
|
|
exc->build_chain = 1;
|
|
} else if (strcmp(arg, "-xcertform") == 0) {
|
|
if (!argn) {
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->certform = str2fmt(argn);
|
|
} else if (strcmp(arg, "-xkeyform") == 0) {
|
|
if (!argn) {
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->keyform = str2fmt(argn);
|
|
} else
|
|
return 0;
|
|
|
|
(*pargs) += narg;
|
|
|
|
if (pargc)
|
|
*pargc -= narg;
|
|
|
|
*pexc = exc;
|
|
|
|
return 1;
|
|
|
|
err:
|
|
ERR_print_errors(err);
|
|
ssl_excert_free(exc);
|
|
*pexc = NULL;
|
|
return 1;
|
|
}
|
|
|
|
static void print_raw_cipherlist(BIO *bio, SSL *s)
|
|
{
|
|
const unsigned char *rlist;
|
|
static const unsigned char scsv_id[] = { 0, 0, 0xFF };
|
|
size_t i, rlistlen, num;
|
|
if (!SSL_is_server(s))
|
|
return;
|
|
num = SSL_get0_raw_cipherlist(s, NULL);
|
|
rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
|
|
BIO_puts(bio, "Client cipher list: ");
|
|
for (i = 0; i < rlistlen; i += num, rlist += num) {
|
|
const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
|
|
if (i)
|
|
BIO_puts(bio, ":");
|
|
if (c)
|
|
BIO_puts(bio, SSL_CIPHER_get_name(c));
|
|
else if (!memcmp(rlist, scsv_id - num + 3, num))
|
|
BIO_puts(bio, "SCSV");
|
|
else {
|
|
size_t j;
|
|
BIO_puts(bio, "0x");
|
|
for (j = 0; j < num; j++)
|
|
BIO_printf(bio, "%02X", rlist[j]);
|
|
}
|
|
}
|
|
BIO_puts(bio, "\n");
|
|
}
|
|
|
|
void print_ssl_summary(BIO *bio, SSL *s)
|
|
{
|
|
const SSL_CIPHER *c;
|
|
X509 *peer;
|
|
/*
|
|
* const char *pnam = SSL_is_server(s) ? "client" : "server";
|
|
*/
|
|
BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
|
|
print_raw_cipherlist(bio, s);
|
|
c = SSL_get_current_cipher(s);
|
|
BIO_printf(bio, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
|
|
do_print_sigalgs(bio, s, 0);
|
|
peer = SSL_get_peer_certificate(s);
|
|
if (peer) {
|
|
int nid;
|
|
BIO_puts(bio, "Peer certificate: ");
|
|
X509_NAME_print_ex(bio, X509_get_subject_name(peer),
|
|
0, XN_FLAG_ONELINE);
|
|
BIO_puts(bio, "\n");
|
|
if (SSL_get_peer_signature_nid(s, &nid))
|
|
BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
|
|
} else
|
|
BIO_puts(bio, "No peer certificate\n");
|
|
if (peer)
|
|
X509_free(peer);
|
|
#ifndef OPENSSL_NO_EC
|
|
ssl_print_point_formats(bio, s);
|
|
if (SSL_is_server(s))
|
|
ssl_print_curves(bio, s, 1);
|
|
else
|
|
ssl_print_tmp_key(bio, s);
|
|
#else
|
|
if (!SSL_is_server(s))
|
|
ssl_print_tmp_key(bio, s);
|
|
#endif
|
|
}
|
|
|
|
int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
|
|
int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
|
|
{
|
|
char *arg = **pargs, *argn = (*pargs)[1];
|
|
int rv;
|
|
|
|
/* Attempt to run SSL configuration command */
|
|
rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
|
|
/* If parameter not recognised just return */
|
|
if (rv == 0)
|
|
return 0;
|
|
/* see if missing argument error */
|
|
if (rv == -3) {
|
|
BIO_printf(err, "%s needs an argument\n", arg);
|
|
*badarg = 1;
|
|
goto end;
|
|
}
|
|
/* Check for some other error */
|
|
if (rv < 0) {
|
|
BIO_printf(err, "Error with command: \"%s %s\"\n",
|
|
arg, argn ? argn : "");
|
|
*badarg = 1;
|
|
goto end;
|
|
}
|
|
/* Store command and argument */
|
|
/* If only one argument processed store value as NULL */
|
|
if (rv == 1)
|
|
argn = NULL;
|
|
if (!*pstr)
|
|
*pstr = sk_OPENSSL_STRING_new_null();
|
|
if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
|
|
!sk_OPENSSL_STRING_push(*pstr, argn)) {
|
|
BIO_puts(err, "Memory allocation failure\n");
|
|
goto end;
|
|
}
|
|
|
|
end:
|
|
if (*badarg)
|
|
ERR_print_errors(err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
|
|
STACK_OF(OPENSSL_STRING) *str, int no_ecdhe, int no_jpake)
|
|
{
|
|
int i;
|
|
SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
|
|
for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) {
|
|
const char *param = sk_OPENSSL_STRING_value(str, i);
|
|
const char *value = sk_OPENSSL_STRING_value(str, i + 1);
|
|
/*
|
|
* If no_ecdhe or named curve already specified don't need a default.
|
|
*/
|
|
if (!no_ecdhe && !strcmp(param, "-named_curve"))
|
|
no_ecdhe = 1;
|
|
#ifndef OPENSSL_NO_JPAKE
|
|
if (!no_jpake && !strcmp(param, "-cipher")) {
|
|
BIO_puts(err, "JPAKE sets cipher to PSK\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
if (SSL_CONF_cmd(cctx, param, value) <= 0) {
|
|
BIO_printf(err, "Error with command: \"%s %s\"\n",
|
|
param, value ? value : "");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
/*
|
|
* This is a special case to keep existing s_server functionality: if we
|
|
* don't have any curve specified *and* we haven't disabled ECDHE then
|
|
* use P-256.
|
|
*/
|
|
if (!no_ecdhe) {
|
|
if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0) {
|
|
BIO_puts(err, "Error setting EC curve\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
#ifndef OPENSSL_NO_JPAKE
|
|
if (!no_jpake) {
|
|
if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0) {
|
|
BIO_puts(err, "Error setting cipher to PSK\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
#endif
|
|
if (!SSL_CONF_CTX_finish(cctx)) {
|
|
BIO_puts(err, "Error finishing context\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
|
|
{
|
|
X509_CRL *crl;
|
|
int i;
|
|
for (i = 0; i < sk_X509_CRL_num(crls); i++) {
|
|
crl = sk_X509_CRL_value(crls, i);
|
|
X509_STORE_add_crl(st, crl);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
|
|
{
|
|
X509_STORE *st;
|
|
st = SSL_CTX_get_cert_store(ctx);
|
|
add_crls_store(st, crls);
|
|
if (crl_download)
|
|
store_setup_crl_download(st);
|
|
return 1;
|
|
}
|
|
|
|
int ssl_load_stores(SSL_CTX *ctx,
|
|
const char *vfyCApath, const char *vfyCAfile,
|
|
const char *chCApath, const char *chCAfile,
|
|
STACK_OF(X509_CRL) *crls, int crl_download)
|
|
{
|
|
X509_STORE *vfy = NULL, *ch = NULL;
|
|
int rv = 0;
|
|
if (vfyCApath || vfyCAfile) {
|
|
vfy = X509_STORE_new();
|
|
if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
|
|
goto err;
|
|
add_crls_store(vfy, crls);
|
|
SSL_CTX_set1_verify_cert_store(ctx, vfy);
|
|
if (crl_download)
|
|
store_setup_crl_download(vfy);
|
|
}
|
|
if (chCApath || chCAfile) {
|
|
ch = X509_STORE_new();
|
|
if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
|
|
goto err;
|
|
SSL_CTX_set1_chain_cert_store(ctx, ch);
|
|
}
|
|
rv = 1;
|
|
err:
|
|
if (vfy)
|
|
X509_STORE_free(vfy);
|
|
if (ch)
|
|
X509_STORE_free(ch);
|
|
return rv;
|
|
}
|
|
|
|
/* Verbose print out of security callback */
|
|
|
|
typedef struct {
|
|
BIO *out;
|
|
int verbose;
|
|
int (*old_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid,
|
|
void *other, void *ex);
|
|
} security_debug_ex;
|
|
|
|
static int security_callback_debug(SSL *s, SSL_CTX *ctx,
|
|
int op, int bits, int nid,
|
|
void *other, void *ex)
|
|
{
|
|
security_debug_ex *sdb = ex;
|
|
int rv, show_bits = 1, cert_md = 0;
|
|
const char *nm;
|
|
rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex);
|
|
if (rv == 1 && sdb->verbose < 2)
|
|
return 1;
|
|
BIO_puts(sdb->out, "Security callback: ");
|
|
|
|
switch (op) {
|
|
case SSL_SECOP_CIPHER_SUPPORTED:
|
|
nm = "Supported Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_CIPHER_SHARED:
|
|
nm = "Shared Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_CIPHER_CHECK:
|
|
nm = "Check Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_TICKET:
|
|
BIO_puts(sdb->out, "Session ticket");
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
case SSL_SECOP_COMPRESSION:
|
|
BIO_puts(sdb->out, "SSL compression");
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
#ifndef OPENSSL_NO_DH
|
|
case SSL_SECOP_TMP_DH:
|
|
nm = "Temp DH key bits";
|
|
break;
|
|
#endif
|
|
case SSL_SECOP_CURVE_SUPPORTED:
|
|
nm = "Supported Curve";
|
|
break;
|
|
case SSL_SECOP_CURVE_SHARED:
|
|
nm = "Shared Curve";
|
|
break;
|
|
case SSL_SECOP_CURVE_CHECK:
|
|
nm = "Check Curve";
|
|
break;
|
|
case SSL_SECOP_VERSION:
|
|
BIO_printf(sdb->out, "Version=%s", ssl_version_str(nid));
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
case SSL_SECOP_SIGALG_SUPPORTED:
|
|
nm = "Supported Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_SHARED:
|
|
nm = "Shared Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_CHECK:
|
|
nm = "Check Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_MASK:
|
|
nm = "Signature Algorithm mask";
|
|
break;
|
|
case SSL_SECOP_EE_KEY:
|
|
nm = "Certificate chain EE key";
|
|
break;
|
|
case SSL_SECOP_CA_KEY:
|
|
nm = "Certificate chain CA key";
|
|
break;
|
|
case SSL_SECOP_CA_MD:
|
|
cert_md = 1;
|
|
nm = "Certificate chain CA digest";
|
|
break;
|
|
case SSL_SECOP_PEER_EE_KEY:
|
|
nm = "Peer Chain EE key";
|
|
break;
|
|
case SSL_SECOP_PEER_CA_KEY:
|
|
nm = "Peer Chain CA key";
|
|
break;
|
|
case SSL_SECOP_PEER_CA_MD:
|
|
cert_md = 1;
|
|
nm = "Peer chain CA digest";
|
|
break;
|
|
default:
|
|
nm = NULL;
|
|
}
|
|
if (nm)
|
|
BIO_printf(sdb->out, "%s=", nm);
|
|
|
|
switch (op & SSL_SECOP_OTHER_TYPE) {
|
|
|
|
case SSL_SECOP_OTHER_CIPHER:
|
|
BIO_puts(sdb->out, SSL_CIPHER_get_name(other));
|
|
break;
|
|
|
|
#ifndef OPENSSL_NO_EC
|
|
case SSL_SECOP_OTHER_CURVE:
|
|
{
|
|
const char *cname;
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (cname == NULL)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_puts(sdb->out, cname);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case SSL_SECOP_OTHER_DH:
|
|
{
|
|
DH *dh = other;
|
|
BIO_printf(sdb->out, "%d", BN_num_bits(dh->p));
|
|
break;
|
|
}
|
|
case SSL_SECOP_OTHER_CERT:
|
|
{
|
|
if (cert_md) {
|
|
int sig_nid = X509_get_signature_nid(other);
|
|
BIO_puts(sdb->out, OBJ_nid2sn(sig_nid));
|
|
} else {
|
|
EVP_PKEY *pkey = X509_get_pubkey(other);
|
|
const char *algname = "";
|
|
EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL,
|
|
&algname, EVP_PKEY_get0_asn1(pkey));
|
|
BIO_printf(sdb->out, "%s, bits=%d",
|
|
algname, EVP_PKEY_bits(pkey));
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
break;
|
|
}
|
|
case SSL_SECOP_OTHER_SIGALG:
|
|
{
|
|
const unsigned char *salg = other;
|
|
const char *sname = NULL;
|
|
switch (salg[1]) {
|
|
case TLSEXT_signature_anonymous:
|
|
sname = "anonymous";
|
|
break;
|
|
case TLSEXT_signature_rsa:
|
|
sname = "RSA";
|
|
break;
|
|
case TLSEXT_signature_dsa:
|
|
sname = "DSA";
|
|
break;
|
|
case TLSEXT_signature_ecdsa:
|
|
sname = "ECDSA";
|
|
break;
|
|
}
|
|
|
|
BIO_puts(sdb->out, OBJ_nid2sn(nid));
|
|
if (sname)
|
|
BIO_printf(sdb->out, ", algorithm=%s", sname);
|
|
else
|
|
BIO_printf(sdb->out, ", algid=%d", salg[1]);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if (show_bits)
|
|
BIO_printf(sdb->out, ", security bits=%d", bits);
|
|
BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no");
|
|
return rv;
|
|
}
|
|
|
|
void ssl_ctx_security_debug(SSL_CTX *ctx, BIO *out, int verbose)
|
|
{
|
|
static security_debug_ex sdb;
|
|
sdb.out = out;
|
|
sdb.verbose = verbose;
|
|
sdb.old_cb = SSL_CTX_get_security_callback(ctx);
|
|
SSL_CTX_set_security_callback(ctx, security_callback_debug);
|
|
SSL_CTX_set0_security_ex_data(ctx, &sdb);
|
|
}
|