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/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* 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.
*
* The portions of the attached software ("Contribution") is developed by
* Nokia Corporation and is licensed pursuant to the OpenSSL open source
* license.
*
* The Contribution, originally written by Mika Kousa and Pasi Eronen of
* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
* support (see RFC 4279) to OpenSSL.
*
* No patent licenses or other rights except those expressly stated in
* the OpenSSL open source license shall be deemed granted or received
* expressly, by implication, estoppel, or otherwise.
*
* No assurances are provided by Nokia that the Contribution does not
* infringe the patent or other intellectual property rights of any third
* party or that the license provides you with all the necessary rights
* to make use of the Contribution.
*
* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
* OTHERWISE.
*/
#include <stdio.h>
#include <stdlib.h>
#include "ssl_locl.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
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_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)
{
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
ASN1_OCTET_STRING comp_id;
unsigned char comp_id_data;
#endif
ASN1_OCTET_STRING tlsext_hostname, tlsext_tick;
#ifndef OPENSSL_NO_SRP
ASN1_OCTET_STRING srp_username;
#endif
#ifndef OPENSSL_NO_PSK
ASN1_OCTET_STRING psk_identity, psk_identity_hint;
#endif
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) {
comp_id_data = (unsigned char)in->compress_meth;
ssl_session_oinit(&as.comp_id, &comp_id, &comp_id_data, 1);
}
#endif
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)
{
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,
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