-/* ssl/ssl_asn1.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* ====================================================================
* Copyright 2005 Nokia. All rights reserved.
*
#include <stdio.h>
#include <stdlib.h>
#include "ssl_locl.h"
-#include <openssl/asn1_mac.h>
-#include <openssl/objects.h>
+#include <openssl/asn1t.h>
#include <openssl/x509.h>
-typedef struct ssl_session_asn1_st
- {
- ASN1_INTEGER version;
- ASN1_INTEGER ssl_version;
- ASN1_OCTET_STRING cipher;
- ASN1_OCTET_STRING comp_id;
- ASN1_OCTET_STRING master_key;
- ASN1_OCTET_STRING session_id;
- ASN1_OCTET_STRING session_id_context;
- ASN1_OCTET_STRING key_arg;
-#ifndef OPENSSL_NO_KRB5
- ASN1_OCTET_STRING krb5_princ;
-#endif /* OPENSSL_NO_KRB5 */
- ASN1_INTEGER time;
- ASN1_INTEGER timeout;
- ASN1_INTEGER verify_result;
-#ifndef OPENSSL_NO_TLSEXT
- ASN1_OCTET_STRING tlsext_hostname;
- ASN1_INTEGER tlsext_tick_lifetime;
- ASN1_OCTET_STRING tlsext_tick;
-#endif /* OPENSSL_NO_TLSEXT */
+typedef struct {
+ long version;
+ long ssl_version;
+ ASN1_OCTET_STRING *cipher;
+ ASN1_OCTET_STRING *comp_id;
+ ASN1_OCTET_STRING *master_key;
+ ASN1_OCTET_STRING *session_id;
+ ASN1_OCTET_STRING *key_arg;
+ long time;
+ long timeout;
+ X509 *peer;
+ ASN1_OCTET_STRING *session_id_context;
+ long verify_result;
+ ASN1_OCTET_STRING *tlsext_hostname;
+ long tlsext_tick_lifetime_hint;
+ long tlsext_tick_age_add;
+ ASN1_OCTET_STRING *tlsext_tick;
+#ifndef OPENSSL_NO_PSK
+ ASN1_OCTET_STRING *psk_identity_hint;
+ ASN1_OCTET_STRING *psk_identity;
+#endif
+#ifndef OPENSSL_NO_SRP
+ ASN1_OCTET_STRING *srp_username;
+#endif
+ long flags;
+} SSL_SESSION_ASN1;
+
+ASN1_SEQUENCE(SSL_SESSION_ASN1) = {
+ ASN1_SIMPLE(SSL_SESSION_ASN1, version, LONG),
+ ASN1_SIMPLE(SSL_SESSION_ASN1, ssl_version, LONG),
+ ASN1_SIMPLE(SSL_SESSION_ASN1, cipher, ASN1_OCTET_STRING),
+ ASN1_SIMPLE(SSL_SESSION_ASN1, session_id, ASN1_OCTET_STRING),
+ ASN1_SIMPLE(SSL_SESSION_ASN1, master_key, ASN1_OCTET_STRING),
+ ASN1_IMP_OPT(SSL_SESSION_ASN1, key_arg, ASN1_OCTET_STRING, 0),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, time, ZLONG, 1),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, timeout, ZLONG, 2),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, peer, X509, 3),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, session_id_context, ASN1_OCTET_STRING, 4),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, verify_result, ZLONG, 5),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_hostname, ASN1_OCTET_STRING, 6),
#ifndef OPENSSL_NO_PSK
- ASN1_OCTET_STRING psk_identity_hint;
- ASN1_OCTET_STRING psk_identity;
-#endif /* OPENSSL_NO_PSK */
- } SSL_SESSION_ASN1;
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity_hint, ASN1_OCTET_STRING, 7),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity, ASN1_OCTET_STRING, 8),
+#endif
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick_lifetime_hint, ZLONG, 9),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick, ASN1_OCTET_STRING, 10),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, comp_id, ASN1_OCTET_STRING, 11),
+#ifndef OPENSSL_NO_SRP
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, srp_username, ASN1_OCTET_STRING, 12),
+#endif
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, flags, ZLONG, 13),
+ ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick_age_add, ZLONG, 14)
+} static_ASN1_SEQUENCE_END(SSL_SESSION_ASN1)
+
+IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(SSL_SESSION_ASN1)
+
+/* Utility functions for i2d_SSL_SESSION */
+
+/* Initialise OCTET STRING from buffer and length */
+
+static void ssl_session_oinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os,
+ unsigned char *data, size_t len)
+{
+ os->data = data;
+ os->length = (int)len;
+ os->flags = 0;
+ *dest = os;
+}
+
+/* Initialise OCTET STRING from string */
+static void ssl_session_sinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os,
+ char *data)
+{
+ if (data != NULL)
+ ssl_session_oinit(dest, os, (unsigned char *)data, strlen(data));
+ else
+ *dest = NULL;
+}
int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
- {
-#define LSIZE2 (sizeof(long)*2)
- int v1=0,v2=0,v3=0,v4=0,v5=0,v7=0,v8=0;
- unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
- unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
-#ifndef OPENSSL_NO_TLSEXT
- int v6=0,v9=0,v10=0;
- unsigned char ibuf6[LSIZE2];
-#endif
+{
+
+ SSL_SESSION_ASN1 as;
+
+ ASN1_OCTET_STRING cipher;
+ unsigned char cipher_data[2];
+ ASN1_OCTET_STRING master_key, session_id, sid_ctx;
+
#ifndef OPENSSL_NO_COMP
- unsigned char cbuf;
- int v11=0;
+ ASN1_OCTET_STRING comp_id;
+ unsigned char comp_id_data;
#endif
- long l;
- SSL_SESSION_ASN1 a;
- M_ASN1_I2D_vars(in);
-
- if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
- return(0);
-
- /* Note that I cheat in the following 2 assignments. I know
- * that if the ASN1_INTEGER passed to ASN1_INTEGER_set
- * is > sizeof(long)+1, the buffer will not be re-OPENSSL_malloc()ed.
- * This is a bit evil but makes things simple, no dynamic allocation
- * to clean up :-) */
- a.version.length=LSIZE2;
- a.version.type=V_ASN1_INTEGER;
- a.version.data=ibuf1;
- ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
-
- a.ssl_version.length=LSIZE2;
- a.ssl_version.type=V_ASN1_INTEGER;
- a.ssl_version.data=ibuf2;
- ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
-
- a.cipher.type=V_ASN1_OCTET_STRING;
- a.cipher.data=buf;
-
- if (in->cipher == NULL)
- l=in->cipher_id;
- else
- l=in->cipher->id;
- if (in->ssl_version == SSL2_VERSION)
- {
- a.cipher.length=3;
- buf[0]=((unsigned char)(l>>16L))&0xff;
- buf[1]=((unsigned char)(l>> 8L))&0xff;
- buf[2]=((unsigned char)(l ))&0xff;
- }
- else
- {
- a.cipher.length=2;
- buf[0]=((unsigned char)(l>>8L))&0xff;
- buf[1]=((unsigned char)(l ))&0xff;
- }
-#ifndef OPENSSL_NO_COMP
- if (in->compress_meth)
- {
- cbuf = (unsigned char)in->compress_meth;
- a.comp_id.length = 1;
- a.comp_id.type = V_ASN1_OCTET_STRING;
- a.comp_id.data = &cbuf;
- }
+ ASN1_OCTET_STRING tlsext_hostname, tlsext_tick;
+
+#ifndef OPENSSL_NO_SRP
+ ASN1_OCTET_STRING srp_username;
#endif
- a.master_key.length=in->master_key_length;
- a.master_key.type=V_ASN1_OCTET_STRING;
- a.master_key.data=in->master_key;
-
- a.session_id.length=in->session_id_length;
- a.session_id.type=V_ASN1_OCTET_STRING;
- a.session_id.data=in->session_id;
-
- a.session_id_context.length=in->sid_ctx_length;
- a.session_id_context.type=V_ASN1_OCTET_STRING;
- a.session_id_context.data=in->sid_ctx;
-
- a.key_arg.length=in->key_arg_length;
- a.key_arg.type=V_ASN1_OCTET_STRING;
- a.key_arg.data=in->key_arg;
-
-#ifndef OPENSSL_NO_KRB5
- if (in->krb5_client_princ_len)
- {
- a.krb5_princ.length=in->krb5_client_princ_len;
- a.krb5_princ.type=V_ASN1_OCTET_STRING;
- a.krb5_princ.data=in->krb5_client_princ;
- }
-#endif /* OPENSSL_NO_KRB5 */
-
- if (in->time != 0L)
- {
- a.time.length=LSIZE2;
- a.time.type=V_ASN1_INTEGER;
- a.time.data=ibuf3;
- ASN1_INTEGER_set(&(a.time),in->time);
- }
-
- if (in->timeout != 0L)
- {
- a.timeout.length=LSIZE2;
- a.timeout.type=V_ASN1_INTEGER;
- a.timeout.data=ibuf4;
- ASN1_INTEGER_set(&(a.timeout),in->timeout);
- }
-
- if (in->verify_result != X509_V_OK)
- {
- a.verify_result.length=LSIZE2;
- a.verify_result.type=V_ASN1_INTEGER;
- a.verify_result.data=ibuf5;
- ASN1_INTEGER_set(&a.verify_result,in->verify_result);
- }
-
-#ifndef OPENSSL_NO_TLSEXT
- if (in->tlsext_hostname)
- {
- a.tlsext_hostname.length=strlen(in->tlsext_hostname);
- a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
- a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
- }
- if (in->tlsext_tick)
- {
- a.tlsext_tick.length= in->tlsext_ticklen;
- a.tlsext_tick.type=V_ASN1_OCTET_STRING;
- a.tlsext_tick.data=(unsigned char *)in->tlsext_tick;
- }
- if (in->tlsext_tick_lifetime_hint > 0)
- {
- a.tlsext_tick_lifetime.length=LSIZE2;
- a.tlsext_tick_lifetime.type=V_ASN1_INTEGER;
- a.tlsext_tick_lifetime.data=ibuf6;
- ASN1_INTEGER_set(&a.tlsext_tick_lifetime,in->tlsext_tick_lifetime_hint);
- }
-#endif /* OPENSSL_NO_TLSEXT */
#ifndef OPENSSL_NO_PSK
- if (in->psk_identity_hint)
- {
- a.psk_identity_hint.length=strlen(in->psk_identity_hint);
- a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
- a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint);
- }
- if (in->psk_identity)
- {
- a.psk_identity.length=strlen(in->psk_identity);
- a.psk_identity.type=V_ASN1_OCTET_STRING;
- a.psk_identity.data=(unsigned char *)(in->psk_identity);
- }
-#endif /* OPENSSL_NO_PSK */
-
- M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
- M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
- M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
-#ifndef OPENSSL_NO_KRB5
- if (in->krb5_client_princ_len)
- M_ASN1_I2D_len(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
-#endif /* OPENSSL_NO_KRB5 */
- if (in->key_arg_length > 0)
- M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
- if (in->time != 0L)
- M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
- if (in->timeout != 0L)
- M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
- if (in->peer != NULL)
- M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
- M_ASN1_I2D_len_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,v4);
- if (in->verify_result != X509_V_OK)
- M_ASN1_I2D_len_EXP_opt(&(a.verify_result),i2d_ASN1_INTEGER,5,v5);
-
-#ifndef OPENSSL_NO_TLSEXT
- if (in->tlsext_tick_lifetime_hint > 0)
- M_ASN1_I2D_len_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
- if (in->tlsext_tick)
- M_ASN1_I2D_len_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
- if (in->tlsext_hostname)
- M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
-#ifndef OPENSSL_NO_COMP
- if (in->compress_meth)
- M_ASN1_I2D_len_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11);
+ ASN1_OCTET_STRING psk_identity, psk_identity_hint;
#endif
-#endif /* OPENSSL_NO_TLSEXT */
-#ifndef OPENSSL_NO_PSK
- if (in->psk_identity_hint)
- M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
- if (in->psk_identity)
- M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
-#endif /* OPENSSL_NO_PSK */
-
- M_ASN1_I2D_seq_total();
-
- M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
- M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
- M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
-#ifndef OPENSSL_NO_KRB5
- if (in->krb5_client_princ_len)
- M_ASN1_I2D_put(&(a.krb5_princ), i2d_ASN1_OCTET_STRING);
-#endif /* OPENSSL_NO_KRB5 */
- if (in->key_arg_length > 0)
- M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
- if (in->time != 0L)
- M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
- if (in->timeout != 0L)
- M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
- if (in->peer != NULL)
- M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
- M_ASN1_I2D_put_EXP_opt(&a.session_id_context,i2d_ASN1_OCTET_STRING,4,
- v4);
- if (in->verify_result != X509_V_OK)
- M_ASN1_I2D_put_EXP_opt(&a.verify_result,i2d_ASN1_INTEGER,5,v5);
-#ifndef OPENSSL_NO_TLSEXT
- if (in->tlsext_hostname)
- M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
-#endif /* OPENSSL_NO_TLSEXT */
-#ifndef OPENSSL_NO_PSK
- if (in->psk_identity_hint)
- M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,7,v7);
- if (in->psk_identity)
- M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
-#endif /* OPENSSL_NO_PSK */
-#ifndef OPENSSL_NO_TLSEXT
- if (in->tlsext_tick_lifetime_hint > 0)
- M_ASN1_I2D_put_EXP_opt(&a.tlsext_tick_lifetime, i2d_ASN1_INTEGER,9,v9);
- if (in->tlsext_tick)
- M_ASN1_I2D_put_EXP_opt(&(a.tlsext_tick), i2d_ASN1_OCTET_STRING,10,v10);
-#endif /* OPENSSL_NO_TLSEXT */
+
+ long l;
+
+ if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
+ return 0;
+
+ memset(&as, 0, sizeof(as));
+
+ as.version = SSL_SESSION_ASN1_VERSION;
+ as.ssl_version = in->ssl_version;
+
+ if (in->cipher == NULL)
+ l = in->cipher_id;
+ else
+ l = in->cipher->id;
+ cipher_data[0] = ((unsigned char)(l >> 8L)) & 0xff;
+ cipher_data[1] = ((unsigned char)(l)) & 0xff;
+
+ ssl_session_oinit(&as.cipher, &cipher, cipher_data, 2);
+
#ifndef OPENSSL_NO_COMP
- if (in->compress_meth)
- M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11);
+ if (in->compress_meth) {
+ comp_id_data = (unsigned char)in->compress_meth;
+ ssl_session_oinit(&as.comp_id, &comp_id, &comp_id_data, 1);
+ }
#endif
- M_ASN1_I2D_finish();
- }
+
+ ssl_session_oinit(&as.master_key, &master_key,
+ in->master_key, in->master_key_length);
+
+ ssl_session_oinit(&as.session_id, &session_id,
+ in->session_id, in->session_id_length);
+
+ ssl_session_oinit(&as.session_id_context, &sid_ctx,
+ in->sid_ctx, in->sid_ctx_length);
+
+ as.time = in->time;
+ as.timeout = in->timeout;
+ as.verify_result = in->verify_result;
+
+ as.peer = in->peer;
+
+ ssl_session_sinit(&as.tlsext_hostname, &tlsext_hostname,
+ in->ext.hostname);
+ if (in->ext.tick) {
+ ssl_session_oinit(&as.tlsext_tick, &tlsext_tick,
+ in->ext.tick, in->ext.ticklen);
+ }
+ if (in->ext.tick_lifetime_hint > 0)
+ as.tlsext_tick_lifetime_hint = in->ext.tick_lifetime_hint;
+ as.tlsext_tick_age_add = in->ext.tick_age_add;
+#ifndef OPENSSL_NO_PSK
+ ssl_session_sinit(&as.psk_identity_hint, &psk_identity_hint,
+ in->psk_identity_hint);
+ ssl_session_sinit(&as.psk_identity, &psk_identity, in->psk_identity);
+#endif /* OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ ssl_session_sinit(&as.srp_username, &srp_username, in->srp_username);
+#endif /* OPENSSL_NO_SRP */
+
+ as.flags = in->flags;
+
+ return i2d_SSL_SESSION_ASN1(&as, pp);
+
+}
+
+/* Utility functions for d2i_SSL_SESSION */
+
+/* OPENSSL_strndup an OCTET STRING */
+
+static int ssl_session_strndup(char **pdst, ASN1_OCTET_STRING *src)
+{
+ OPENSSL_free(*pdst);
+ *pdst = NULL;
+ if (src == NULL)
+ return 1;
+ *pdst = OPENSSL_strndup((char *)src->data, src->length);
+ if (*pdst == NULL)
+ return 0;
+ return 1;
+}
+
+/* Copy an OCTET STRING, return error if it exceeds maximum length */
+
+static int ssl_session_memcpy(unsigned char *dst, size_t *pdstlen,
+ ASN1_OCTET_STRING *src, size_t maxlen)
+{
+ if (src == NULL) {
+ *pdstlen = 0;
+ return 1;
+ }
+ if (src->length < 0 || src->length > (int)maxlen)
+ return 0;
+ memcpy(dst, src->data, src->length);
+ *pdstlen = src->length;
+ return 1;
+}
SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
- long length)
- {
- int ssl_version=0,i;
- long id;
- ASN1_INTEGER ai,*aip;
- ASN1_OCTET_STRING os,*osp;
- M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
-
- aip= &ai;
- osp= &os;
-
- M_ASN1_D2I_Init();
- M_ASN1_D2I_start_sequence();
-
- ai.data=NULL; ai.length=0;
- M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
- if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
-
- /* we don't care about the version right now :-) */
- M_ASN1_D2I_get_x(ASN1_INTEGER,aip,d2i_ASN1_INTEGER);
- ssl_version=(int)ASN1_INTEGER_get(aip);
- ret->ssl_version=ssl_version;
- if (ai.data != NULL) { OPENSSL_free(ai.data); ai.data=NULL; ai.length=0; }
-
- os.data=NULL; os.length=0;
- M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
- if (ssl_version == SSL2_VERSION)
- {
- if (os.length != 3)
- {
- c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
- goto err;
- }
- id=0x02000000L|
- ((unsigned long)os.data[0]<<16L)|
- ((unsigned long)os.data[1]<< 8L)|
- (unsigned long)os.data[2];
- }
- else if ((ssl_version>>8) >= SSL3_VERSION_MAJOR)
- {
- if (os.length != 2)
- {
- c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
- goto err;
- }
- id=0x03000000L|
- ((unsigned long)os.data[0]<<8L)|
- (unsigned long)os.data[1];
- }
- else
- {
- c.error=SSL_R_UNKNOWN_SSL_VERSION;
- goto err;
- }
-
- ret->cipher=NULL;
- ret->cipher_id=id;
-
- M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
- if ((ssl_version>>8) >= SSL3_VERSION_MAJOR)
- i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
- else /* if (ssl_version>>8 == SSL2_VERSION_MAJOR) */
- i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
-
- if (os.length > i)
- os.length = i;
- if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
- os.length = sizeof(ret->session_id);
-
- ret->session_id_length=os.length;
- OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
- memcpy(ret->session_id,os.data,os.length);
-
- M_ASN1_D2I_get_x(ASN1_OCTET_STRING,osp,d2i_ASN1_OCTET_STRING);
- if (os.length > SSL_MAX_MASTER_KEY_LENGTH)
- ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
- else
- ret->master_key_length=os.length;
- memcpy(ret->master_key,os.data,ret->master_key_length);
-
- os.length=0;
-
-#ifndef OPENSSL_NO_KRB5
- os.length=0;
- M_ASN1_D2I_get_opt(osp,d2i_ASN1_OCTET_STRING,V_ASN1_OCTET_STRING);
- if (os.data)
- {
- if (os.length > SSL_MAX_KRB5_PRINCIPAL_LENGTH)
- ret->krb5_client_princ_len=0;
- else
- ret->krb5_client_princ_len=os.length;
- memcpy(ret->krb5_client_princ,os.data,ret->krb5_client_princ_len);
- OPENSSL_free(os.data);
- os.data = NULL;
- os.length = 0;
- }
- else
- ret->krb5_client_princ_len=0;
-#endif /* OPENSSL_NO_KRB5 */
-
- M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
- if (os.length > SSL_MAX_KEY_ARG_LENGTH)
- ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
- else
- ret->key_arg_length=os.length;
- memcpy(ret->key_arg,os.data,ret->key_arg_length);
- if (os.data != NULL) OPENSSL_free(os.data);
-
- ai.length=0;
- M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
- if (ai.data != NULL)
- {
- ret->time=ASN1_INTEGER_get(aip);
- OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
- }
- else
- ret->time=(unsigned long)time(NULL);
-
- ai.length=0;
- M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
- if (ai.data != NULL)
- {
- ret->timeout=ASN1_INTEGER_get(aip);
- OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
- }
- else
- ret->timeout=3;
-
- if (ret->peer != NULL)
- {
- X509_free(ret->peer);
- ret->peer=NULL;
- }
- M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
-
- os.length=0;
- os.data=NULL;
- M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,4);
-
- if(os.data != NULL)
- {
- if (os.length > SSL_MAX_SID_CTX_LENGTH)
- {
- c.error=SSL_R_BAD_LENGTH;
- goto err;
- }
- else
- {
- ret->sid_ctx_length=os.length;
- memcpy(ret->sid_ctx,os.data,os.length);
- }
- OPENSSL_free(os.data); os.data=NULL; os.length=0;
- }
- else
- ret->sid_ctx_length=0;
-
- ai.length=0;
- M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,5);
- if (ai.data != NULL)
- {
- ret->verify_result=ASN1_INTEGER_get(aip);
- OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
- }
- else
- ret->verify_result=X509_V_OK;
-
-#ifndef OPENSSL_NO_TLSEXT
- os.length=0;
- os.data=NULL;
- M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,6);
- if (os.data)
- {
- ret->tlsext_hostname = BUF_strndup((char *)os.data, os.length);
- OPENSSL_free(os.data);
- os.data = NULL;
- os.length = 0;
- }
- else
- ret->tlsext_hostname=NULL;
-#endif /* OPENSSL_NO_TLSEXT */
+ long length)
+{
+ long id;
+ size_t tmpl;
+ const unsigned char *p = *pp;
+ SSL_SESSION_ASN1 *as = NULL;
+ SSL_SESSION *ret = NULL;
+
+ as = d2i_SSL_SESSION_ASN1(NULL, &p, length);
+ /* ASN.1 code returns suitable error */
+ if (as == NULL)
+ goto err;
+
+ if (!a || !*a) {
+ ret = SSL_SESSION_new();
+ if (ret == NULL)
+ goto err;
+ } else {
+ ret = *a;
+ }
+
+ if (as->version != SSL_SESSION_ASN1_VERSION) {
+ SSLerr(SSL_F_D2I_SSL_SESSION, SSL_R_UNKNOWN_SSL_VERSION);
+ goto err;
+ }
+
+ if ((as->ssl_version >> 8) != SSL3_VERSION_MAJOR
+ && (as->ssl_version >> 8) != DTLS1_VERSION_MAJOR
+ && as->ssl_version != DTLS1_BAD_VER) {
+ SSLerr(SSL_F_D2I_SSL_SESSION, SSL_R_UNSUPPORTED_SSL_VERSION);
+ goto err;
+ }
+
+ ret->ssl_version = (int)as->ssl_version;
+
+ if (as->cipher->length != 2) {
+ SSLerr(SSL_F_D2I_SSL_SESSION, SSL_R_CIPHER_CODE_WRONG_LENGTH);
+ goto err;
+ }
+
+ id = 0x03000000L | ((unsigned long)as->cipher->data[0] << 8L)
+ | (unsigned long)as->cipher->data[1];
+
+ ret->cipher_id = id;
+ ret->cipher = ssl3_get_cipher_by_id(id);
+ if (ret->cipher == NULL)
+ goto err;
+
+ if (!ssl_session_memcpy(ret->session_id, &ret->session_id_length,
+ as->session_id, SSL3_MAX_SSL_SESSION_ID_LENGTH))
+ goto err;
+
+ if (!ssl_session_memcpy(ret->master_key, &tmpl,
+ as->master_key, TLS13_MAX_RESUMPTION_MASTER_LENGTH))
+ goto err;
+
+ ret->master_key_length = tmpl;
+
+ if (as->time != 0)
+ ret->time = as->time;
+ else
+ ret->time = (unsigned long)time(NULL);
+
+ if (as->timeout != 0)
+ ret->timeout = as->timeout;
+ else
+ ret->timeout = 3;
+
+ X509_free(ret->peer);
+ ret->peer = as->peer;
+ as->peer = NULL;
+
+ if (!ssl_session_memcpy(ret->sid_ctx, &ret->sid_ctx_length,
+ as->session_id_context, SSL_MAX_SID_CTX_LENGTH))
+ goto err;
+
+ /* NB: this defaults to zero which is X509_V_OK */
+ ret->verify_result = as->verify_result;
+
+ if (!ssl_session_strndup(&ret->ext.hostname, as->tlsext_hostname))
+ goto err;
#ifndef OPENSSL_NO_PSK
- os.length=0;
- os.data=NULL;
- M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7);
- if (os.data)
- {
- ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
- OPENSSL_free(os.data);
- os.data = NULL;
- os.length = 0;
- }
- else
- ret->psk_identity_hint=NULL;
-#endif /* OPENSSL_NO_PSK */
-
-#ifndef OPENSSL_NO_TLSEXT
- ai.length=0;
- M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,9);
- if (ai.data != NULL)
- {
- ret->tlsext_tick_lifetime_hint=ASN1_INTEGER_get(aip);
- OPENSSL_free(ai.data); ai.data=NULL; ai.length=0;
- }
- else if (ret->tlsext_ticklen && ret->session_id_length)
- ret->tlsext_tick_lifetime_hint = -1;
- else
- ret->tlsext_tick_lifetime_hint=0;
- os.length=0;
- os.data=NULL;
- M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,10);
- if (os.data)
- {
- ret->tlsext_tick = os.data;
- ret->tlsext_ticklen = os.length;
- os.data = NULL;
- os.length = 0;
- }
- else
- ret->tlsext_tick=NULL;
-#endif /* OPENSSL_NO_TLSEXT */
+ if (!ssl_session_strndup(&ret->psk_identity_hint, as->psk_identity_hint))
+ goto err;
+ if (!ssl_session_strndup(&ret->psk_identity, as->psk_identity))
+ goto err;
+#endif
+
+ ret->ext.tick_lifetime_hint = as->tlsext_tick_lifetime_hint;
+ ret->ext.tick_age_add = as->tlsext_tick_age_add;
+ if (as->tlsext_tick) {
+ ret->ext.tick = as->tlsext_tick->data;
+ ret->ext.ticklen = as->tlsext_tick->length;
+ as->tlsext_tick->data = NULL;
+ } else {
+ ret->ext.tick = NULL;
+ }
#ifndef OPENSSL_NO_COMP
- os.length=0;
- os.data=NULL;
- M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,11);
- if (os.data)
- {
- ret->compress_meth = os.data[0];
- OPENSSL_free(os.data);
- os.data = NULL;
- }
+ if (as->comp_id) {
+ if (as->comp_id->length != 1) {
+ SSLerr(SSL_F_D2I_SSL_SESSION, SSL_R_BAD_LENGTH);
+ goto err;
+ }
+ ret->compress_meth = as->comp_id->data[0];
+ } else {
+ ret->compress_meth = 0;
+ }
#endif
- M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
- }
+#ifndef OPENSSL_NO_SRP
+ if (!ssl_session_strndup(&ret->srp_username, as->srp_username))
+ goto err;
+#endif /* OPENSSL_NO_SRP */
+ /* Flags defaults to zero which is fine */
+ ret->flags = as->flags;
+
+ M_ASN1_free_of(as, SSL_SESSION_ASN1);
+
+ if ((a != NULL) && (*a == NULL))
+ *a = ret;
+ *pp = p;
+ return ret;
+
+ err:
+ M_ASN1_free_of(as, SSL_SESSION_ASN1);
+ if ((a == NULL) || (*a != ret))
+ SSL_SESSION_free(ret);
+ return NULL;
+}
projects / openssl.git / blobdiff