-/* apps/s_cb.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* 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:
* 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
+ * 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
* 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).
+ *
+ */
+/* callback functions used by s_client, s_server, and s_time */
#include <stdio.h>
#include <stdlib.h>
+#include <assert.h>
#define USE_SOCKETS
-#define NON_MAIN
#include "apps.h"
-#undef NON_MAIN
#undef USE_SOCKETS
-#include "err.h"
-#include "x509.h"
-#include "ssl.h"
+#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"
-int verify_depth=0;
-int verify_error=X509_V_OK;
-
-/* should be X509 * but we can just have them as char *. */
-int MS_CALLBACK verify_callback(ok, ctx)
-int ok;
-X509_STORE_CTX *ctx;
- {
- char buf[256];
- 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);
-
- X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
- BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
- if (!ok)
- {
- BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
- X509_verify_cert_error_string(err));
- if (verify_depth >= depth)
- {
- ok=1;
- verify_error=X509_V_OK;
- }
- else
- {
- ok=0;
- verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
- }
- }
- switch (ctx->error)
- {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
- BIO_printf(bio_err,"issuer= %s\n",buf);
- 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_UTCTIME_print(bio_err,X509_get_notBefore(ctx->current_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_UTCTIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
- BIO_printf(bio_err,"\n");
- break;
- }
- BIO_printf(bio_err,"verify return:%d\n",ok);
- return(ok);
- }
-
-int set_cert_stuff(ctx, cert_file, key_file)
-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 set certificate file\n");
- 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 set public key file\n");
- ERR_print_errors(bio_err);
- return(0);
- }
-
- ssl=SSL_new(ctx);
- x509=SSL_get_certificate(ssl);
-
- if (x509 != NULL)
- EVP_PKEY_copy_parameters(X509_get_pubkey(x509),
- SSL_get_privatekey(ssl));
- 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);
- }
-
-long MS_CALLBACK bio_dump_cb(bio,cmd,argp,argi,argl,ret)
-BIO *bio;
-int cmd;
-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 %08X [%08lX] (%d bytes => %ld (0x%X))\n",
- bio,argp,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 %08X [%08lX] (%d bytes => %ld (0x%X))\n",
- bio,argp,argi,ret,ret);
- BIO_dump(out,argp,(int)ret);
- }
- return(ret);
- }
-
-void MS_CALLBACK apps_ssl_info_callback(s,where,ret)
-SSL *s;
-int where;
-int ret;
- {
- 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));
- }
- }
- }
+#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(ctx);
+ break;
+ }
+ if (err == X509_V_OK && ok == 2 && !verify_quiet)
+ policies_print(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) {
+ 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);
+ }
+
+ /*
+ * 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 = app_malloc(ncurves * sizeof(int), "curves to print");
+ 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_EC
+ 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) <= 0) {
+ 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 = app_malloc(length, "cookie generate buffer");
+
+ 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 = app_malloc(length, "cookie verify buffer");
+
+ 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(SSL *s, int flags)
+{
+ struct chain_flags *ctmp = chain_flags_list;
+
+ while (ctmp->name) {
+ BIO_printf(bio_err, "\t%s: %s\n", ctmp->name,
+ flags & ctmp->flag ? "OK" : "NOT OK");
+ ctmp++;
+ }
+ BIO_printf(bio_err, "\tSuite B: ");
+ if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
+ BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
+ else
+ BIO_printf(bio_err, "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(ssl, rv);
+ if (rv & CERT_PKEY_VALID) {
+ if (!SSL_use_certificate(ssl, exc->cert)
+ || !SSL_use_PrivateKey(ssl, exc->key)) {
+ return 0;
+ }
+ /*
+ * 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 = app_malloc(sizeof(*exc), "prepend cert");
+
+ 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;
+
+ if (!exc)
+ return;
+ while (exc) {
+ X509_free(exc->cert);
+ EVP_PKEY_free(exc->key);
+ sk_X509_pop_free(exc->chain, X509_free);
+ curr = exc;
+ exc = exc->next;
+ OPENSSL_free(curr);
+ }
+}
+
+int load_excert(SSL_EXCERT **pexc)
+{
+ 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(bio_err, "Missing filename\n");
+ return 0;
+ }
+ exc->cert = load_cert(exc->certfile, exc->certform,
+ NULL, NULL, "Server Certificate");
+ if (!exc->cert)
+ return 0;
+ if (exc->keyfile) {
+ exc->key = load_key(exc->keyfile, exc->keyform,
+ 0, NULL, NULL, "Server Key");
+ } else {
+ exc->key = load_key(exc->certfile, exc->certform,
+ 0, NULL, NULL, "Server Key");
+ }
+ if (!exc->key)
+ return 0;
+ if (exc->chainfile) {
+ exc->chain = load_certs(exc->chainfile, FORMAT_PEM,
+ NULL, NULL, "Server Chain");
+ if (!exc->chain)
+ return 0;
+ }
+ }
+ return 1;
+}
+
+enum range { OPT_X_ENUM };
+
+int args_excert(int opt, SSL_EXCERT **pexc)
+{
+ SSL_EXCERT *exc = *pexc;
+
+ assert(opt > OPT_X__FIRST);
+ assert(opt < OPT_X__LAST);
+
+ if (exc == NULL) {
+ if (!ssl_excert_prepend(&exc)) {
+ BIO_printf(bio_err, " %s: Error initialising xcert\n",
+ opt_getprog());
+ goto err;
+ }
+ *pexc = exc;
+ }
+
+ switch ((enum range)opt) {
+ case OPT_X__FIRST:
+ case OPT_X__LAST:
+ return 0;
+ case OPT_X_CERT:
+ if (exc->certfile && !ssl_excert_prepend(&exc)) {
+ BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog());
+ goto err;
+ }
+ exc->certfile = opt_arg();
+ break;
+ case OPT_X_KEY:
+ if (exc->keyfile) {
+ BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog());
+ goto err;
+ }
+ exc->keyfile = opt_arg();
+ break;
+ case OPT_X_CHAIN:
+ if (exc->chainfile) {
+ BIO_printf(bio_err, "%s: Chain already specified\n",
+ opt_getprog());
+ goto err;
+ }
+ exc->chainfile = opt_arg();
+ break;
+ case OPT_X_CHAIN_BUILD:
+ exc->build_chain = 1;
+ break;
+ case OPT_X_CERTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform))
+ return 0;
+ break;
+ case OPT_X_KEYFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform))
+ return 0;
+ break;
+ }
+ return 1;
+
+ err:
+ ERR_print_errors(bio_err);
+ ssl_excert_free(exc);
+ *pexc = NULL;
+ return 0;
+}
+
+static void print_raw_cipherlist(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_err, "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_err, ":");
+ if (c)
+ BIO_puts(bio_err, SSL_CIPHER_get_name(c));
+ else if (!memcmp(rlist, scsv_id - num + 3, num))
+ BIO_puts(bio_err, "SCSV");
+ else {
+ size_t j;
+ BIO_puts(bio_err, "0x");
+ for (j = 0; j < num; j++)
+ BIO_printf(bio_err, "%02X", rlist[j]);
+ }
+ }
+ BIO_puts(bio_err, "\n");
+}
+
+void print_ssl_summary(SSL *s)
+{
+ const SSL_CIPHER *c;
+ X509 *peer;
+ /* const char *pnam = SSL_is_server(s) ? "client" : "server"; */
+
+ BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s));
+ print_raw_cipherlist(s);
+ c = SSL_get_current_cipher(s);
+ BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
+ do_print_sigalgs(bio_err, s, 0);
+ peer = SSL_get_peer_certificate(s);
+ if (peer) {
+ int nid;
+ BIO_puts(bio_err, "Peer certificate: ");
+ X509_NAME_print_ex(bio_err, X509_get_subject_name(peer),
+ 0, XN_FLAG_ONELINE);
+ BIO_puts(bio_err, "\n");
+ if (SSL_get_peer_signature_nid(s, &nid))
+ BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid));
+ } else
+ BIO_puts(bio_err, "No peer certificate\n");
+ X509_free(peer);
+#ifndef OPENSSL_NO_EC
+ ssl_print_point_formats(bio_err, s);
+ if (SSL_is_server(s))
+ ssl_print_curves(bio_err, s, 1);
+ else
+ ssl_print_tmp_key(bio_err, s);
+#else
+ if (!SSL_is_server(s))
+ ssl_print_tmp_key(bio_err, s);
+#endif
+}
+
+int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str,
+ SSL_CTX *ctx, 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 *flag = sk_OPENSSL_STRING_value(str, i);
+ const char *arg = sk_OPENSSL_STRING_value(str, i + 1);
+ /* If no_ecdhe or named curve already specified don't need a default. */
+ if (!no_ecdhe && strcmp(flag, "-named_curve") == 0)
+ no_ecdhe = 1;
+#ifndef OPENSSL_NO_JPAKE
+ if (!no_jpake && (strcmp(flag, "-cipher") == 0)) {
+ BIO_puts(bio_err, "JPAKE sets cipher to PSK\n");
+ return 0;
+ }
+#endif
+ if (SSL_CONF_cmd(cctx, flag, arg) <= 0) {
+ if (arg)
+ BIO_printf(bio_err, "Error with command: \"%s %s\"\n",
+ flag, arg);
+ else
+ BIO_printf(bio_err, "Error with command: \"%s\"\n", flag);
+ ERR_print_errors(bio_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(bio_err, "Error setting EC curve\n");
+ ERR_print_errors(bio_err);
+ return 0;
+ }
+ }
+#ifndef OPENSSL_NO_JPAKE
+ if (!no_jpake) {
+ if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0) {
+ BIO_puts(bio_err, "Error setting cipher to PSK\n");
+ ERR_print_errors(bio_err);
+ return 0;
+ }
+ }
+#endif
+ if (!SSL_CONF_CTX_finish(cctx)) {
+ BIO_puts(bio_err, "Error finishing context\n");
+ ERR_print_errors(bio_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:
+ X509_STORE_free(vfy);
+ 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, int verbose)
+{
+ static security_debug_ex sdb;
+ sdb.out = bio_err;
+ 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);
+}
projects / openssl.git / blobdiff