1d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * All rights reserved. 3d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 4d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This package is an SSL implementation written 5d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * by Eric Young (eay@cryptsoft.com). 6d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The implementation was written so as to conform with Netscapes SSL. 7d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 8d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This library is free for commercial and non-commercial use as long as 9d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the following conditions are aheared to. The following conditions 10d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * apply to all code found in this distribution, be it the RC4, RSA, 11d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * included with this distribution is covered by the same copyright terms 13d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * except that the holder is Tim Hudson (tjh@cryptsoft.com). 14d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 15d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Copyright remains Eric Young's, and as such any Copyright notices in 16d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the code are not to be removed. 17d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * If this package is used in a product, Eric Young should be given attribution 18d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * as the author of the parts of the library used. 19d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * This can be in the form of a textual message at program startup or 20d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * in documentation (online or textual) provided with the package. 21d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 22d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Redistribution and use in source and binary forms, with or without 23d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * modification, are permitted provided that the following conditions 24d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * are met: 25d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 1. Redistributions of source code must retain the copyright 26d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * notice, this list of conditions and the following disclaimer. 27d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 2. Redistributions in binary form must reproduce the above copyright 28d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * notice, this list of conditions and the following disclaimer in the 29d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * documentation and/or other materials provided with the distribution. 30d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 3. All advertising materials mentioning features or use of this software 31d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * must display the following acknowledgement: 32d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes cryptographic software written by 33d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Eric Young (eay@cryptsoft.com)" 34d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The word 'cryptographic' can be left out if the rouines from the library 35d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * being used are not cryptographic related :-). 36d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 4. If you include any Windows specific code (or a derivative thereof) from 37d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the apps directory (application code) you must include an acknowledgement: 38d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 39d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 40d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * SUCH DAMAGE. 51d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 52d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The licence and distribution terms for any publically available version or 53d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * derivative of this code cannot be changed. i.e. this code cannot simply be 54d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * copied and put under another distribution licence 55d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * [including the GNU Public Licence.] 56d9e397b599b13d642138480a28c14db7a136bf0Adam Langley */ 57d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* ==================================================================== 58d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Copyright 2005 Nokia. All rights reserved. 59d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 60d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The portions of the attached software ("Contribution") is developed by 61d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Nokia Corporation and is licensed pursuant to the OpenSSL open source 62d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * license. 63d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 64d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * The Contribution, originally written by Mika Kousa and Pasi Eronen of 65d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 66d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * support (see RFC 4279) to OpenSSL. 67d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 68d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * No patent licenses or other rights except those expressly stated in 69d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the OpenSSL open source license shall be deemed granted or received 70d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * expressly, by implication, estoppel, or otherwise. 71d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 72d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * No assurances are provided by Nokia that the Contribution does not 73d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * infringe the patent or other intellectual property rights of any third 74d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * party or that the license provides you with all the necessary rights 75d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * to make use of the Contribution. 76d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 77d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 78d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 79d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 80d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 81d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * OTHERWISE. */ 82d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 83d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <limits.h> 84d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <string.h> 85d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 86d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/bytestring.h> 87d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/err.h> 88e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley#include <openssl/mem.h> 89d9e397b599b13d642138480a28c14db7a136bf0Adam Langley#include <openssl/x509.h> 90d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 91e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley#include "internal.h" 92d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 93d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 94d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* An SSL_SESSION is serialized as the following ASN.1 structure: 95d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 96d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * SSLSession ::= SEQUENCE { 97d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * version INTEGER (1), -- ignored 98d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * sslVersion INTEGER, -- protocol version number 99d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * cipher OCTET STRING, -- two bytes long 100d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * sessionID OCTET STRING, 101d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * masterKey OCTET STRING, 102d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * time [1] INTEGER OPTIONAL, -- seconds since UNIX epoch 103d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * timeout [2] INTEGER OPTIONAL, -- in seconds 104d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * peer [3] Certificate OPTIONAL, 105d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * sessionIDContext [4] OCTET STRING OPTIONAL, 106d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * verifyResult [5] INTEGER OPTIONAL, -- one of X509_V_* codes 107d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * hostName [6] OCTET STRING OPTIONAL, 108d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * -- from server_name extension 109d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * pskIdentity [8] OCTET STRING OPTIONAL, 110d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ticketLifetimeHint [9] INTEGER OPTIONAL, -- client-only 111d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ticket [10] OCTET STRING OPTIONAL, -- client-only 112d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * peerSHA256 [13] OCTET STRING OPTIONAL, 113d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * originalHandshakeHash [14] OCTET STRING OPTIONAL, 114d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * signedCertTimestampList [15] OCTET STRING OPTIONAL, 115d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * -- contents of SCT extension 116d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * ocspResponse [16] OCTET STRING OPTIONAL, 117d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * -- stapled OCSP response from the server 118d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * extendedMasterSecret [17] BOOLEAN OPTIONAL, 119d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * } 120d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 121d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * Note: historically this serialization has included other optional 122d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * fields. Their presense is currently treated as a parse error: 123d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * 124d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * keyArg [0] IMPLICIT OCTET STRING OPTIONAL, 125d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * pskIdentityHint [7] OCTET STRING OPTIONAL, 126d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * compressionMethod [11] OCTET STRING OPTIONAL, 127d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * srpUsername [12] OCTET STRING OPTIONAL, */ 128d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 129d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kTimeTag = 130d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 1; 131d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kTimeoutTag = 132d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 2; 133d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kPeerTag = 134d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 3; 135d9e397b599b13d642138480a28c14db7a136bf0Adam Langley static const int kSessionIDContextTag = 136d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 4; 137d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kVerifyResultTag = 138d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 5; 139d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kHostNameTag = 140d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 6; 141d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kPSKIdentityTag = 142d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 8; 143d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kTicketLifetimeHintTag = 144d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 9; 145d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kTicketTag = 146d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 10; 147d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kPeerSHA256Tag = 148d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 13; 149d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kOriginalHandshakeHashTag = 150d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 14; 151d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kSignedCertTimestampListTag = 152d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 15; 153d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kOCSPResponseTag = 154d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 16; 155d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic const int kExtendedMasterSecretTag = 156d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 17; 157d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 158d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic int SSL_SESSION_to_bytes_full(SSL_SESSION *in, uint8_t **out_data, 159d9e397b599b13d642138480a28c14db7a136bf0Adam Langley size_t *out_len, int for_ticket) { 160d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBB cbb, session, child, child2; 161d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 162d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in == NULL || in->cipher == NULL) { 163d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 164d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 165d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 166d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_init(&cbb, 0)) { 167d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 168d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 169d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 170d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&cbb, &session, CBS_ASN1_SEQUENCE) || 171d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&session, SSL_SESSION_ASN1_VERSION) || 172d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&session, in->ssl_version) || 173d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&session, &child, CBS_ASN1_OCTETSTRING) || 174d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_u16(&child, (uint16_t)(in->cipher->id & 0xffff)) || 175d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&session, &child, CBS_ASN1_OCTETSTRING) || 176d9e397b599b13d642138480a28c14db7a136bf0Adam Langley /* The session ID is irrelevant for a session ticket. */ 177d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child, in->session_id, 178d9e397b599b13d642138480a28c14db7a136bf0Adam Langley for_ticket ? 0 : in->session_id_length) || 179d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&session, &child, CBS_ASN1_OCTETSTRING) || 180d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child, in->master_key, in->master_key_length)) { 181e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 182d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 183d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 184d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 185d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->time != 0) { 186d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kTimeTag) || 187d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&child, in->time)) { 188e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 189d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 190d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 191d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 192d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 193d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->timeout != 0) { 194d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kTimeoutTag) || 195d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&child, in->timeout)) { 196e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 197d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 198d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 199d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 200d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 201d9e397b599b13d642138480a28c14db7a136bf0Adam Langley /* The peer certificate is only serialized if the SHA-256 isn't 202d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * serialized instead. */ 203d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->peer && !in->peer_sha256_valid) { 204d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint8_t *buf; 205d9e397b599b13d642138480a28c14db7a136bf0Adam Langley int len = i2d_X509(in->peer, NULL); 206d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (len < 0) { 207d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 208d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 209d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kPeerTag) || 210d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_space(&child, &buf, len)) { 211e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 212d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 213d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 214d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (buf != NULL && i2d_X509(in->peer, &buf) < 0) { 215d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 216d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 217d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 218d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 219d9e397b599b13d642138480a28c14db7a136bf0Adam Langley /* Although it is OPTIONAL and usually empty, OpenSSL has 220d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * historically always encoded the sid_ctx. */ 221d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kSessionIDContextTag) || 222d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 223d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->sid_ctx, in->sid_ctx_length)) { 224e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 225d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 226d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 227d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 228d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->verify_result != X509_V_OK) { 229d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kVerifyResultTag) || 230d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&child, in->verify_result)) { 231e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 232d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 233d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 234d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 235d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 236d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->tlsext_hostname) { 237d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kHostNameTag) || 238d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 239d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, (const uint8_t *)in->tlsext_hostname, 240d9e397b599b13d642138480a28c14db7a136bf0Adam Langley strlen(in->tlsext_hostname))) { 241e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 242d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 243d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 244d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 245d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 246d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->psk_identity) { 247d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kPSKIdentityTag) || 248d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 249d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, (const uint8_t *)in->psk_identity, 250d9e397b599b13d642138480a28c14db7a136bf0Adam Langley strlen(in->psk_identity))) { 251e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 252d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 253d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 254d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 255d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 256d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->tlsext_tick_lifetime_hint > 0) { 257d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kTicketLifetimeHintTag) || 258d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1_uint64(&child, in->tlsext_tick_lifetime_hint)) { 259e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 260d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 261d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 262d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 263d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 264d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->tlsext_tick) { 265d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kTicketTag) || 266d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 267d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->tlsext_tick, in->tlsext_ticklen)) { 268e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 269d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 270d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 271d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 272d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 273d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->peer_sha256_valid) { 274d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kPeerSHA256Tag) || 275d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 276d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->peer_sha256, sizeof(in->peer_sha256))) { 277e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 278d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 279d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 280d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 281d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 282d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->original_handshake_hash_len > 0) { 283d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kOriginalHandshakeHashTag) || 284d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 285d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->original_handshake_hash, 286d9e397b599b13d642138480a28c14db7a136bf0Adam Langley in->original_handshake_hash_len)) { 287e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 288d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 289d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 290d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 291d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 292d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->tlsext_signed_cert_timestamp_list_length > 0) { 293d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kSignedCertTimestampListTag) || 294d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 295d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->tlsext_signed_cert_timestamp_list, 296d9e397b599b13d642138480a28c14db7a136bf0Adam Langley in->tlsext_signed_cert_timestamp_list_length)) { 297e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 298d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 299d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 300d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 301d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 302d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->ocsp_response_length > 0) { 303d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kOCSPResponseTag) || 304d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) || 305d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_bytes(&child2, in->ocsp_response, in->ocsp_response_length)) { 306e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 307d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 308d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 309d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 310d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 311d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (in->extended_master_secret) { 312d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_add_asn1(&session, &child, kExtendedMasterSecretTag) || 313d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_asn1(&child, &child2, CBS_ASN1_BOOLEAN) || 314d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBB_add_u8(&child2, 0xff)) { 315e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 316d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 317d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 318d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 319d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 320d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBB_finish(&cbb, out_data, out_len)) { 321e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley OPENSSL_PUT_ERROR(SSL, SSL_SESSION_to_bytes_full, ERR_R_MALLOC_FAILURE); 322d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 323d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 324d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 1; 325d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 326d9e397b599b13d642138480a28c14db7a136bf0Adam Langley err: 327d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBB_cleanup(&cbb); 328d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 329d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 330d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 331d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyint SSL_SESSION_to_bytes(SSL_SESSION *in, uint8_t **out_data, size_t *out_len) { 332d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return SSL_SESSION_to_bytes_full(in, out_data, out_len, 0); 333d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 334d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 335d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyint SSL_SESSION_to_bytes_for_ticket(SSL_SESSION *in, uint8_t **out_data, 336d9e397b599b13d642138480a28c14db7a136bf0Adam Langley size_t *out_len) { 337d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return SSL_SESSION_to_bytes_full(in, out_data, out_len, 1); 338d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 339d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 340d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyint i2d_SSL_SESSION(SSL_SESSION *in, uint8_t **pp) { 341d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint8_t *out; 342d9e397b599b13d642138480a28c14db7a136bf0Adam Langley size_t len; 343d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 344d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!SSL_SESSION_to_bytes(in, &out, &len)) { 345d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return -1; 346d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 347d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 348d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (len > INT_MAX) { 349d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_free(out); 350d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, i2d_SSL_SESSION, ERR_R_OVERFLOW); 351d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return -1; 352d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 353d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 354d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (pp) { 355d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(*pp, out, len); 356d9e397b599b13d642138480a28c14db7a136bf0Adam Langley *pp += len; 357d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 358d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_free(out); 359d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 360d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return len; 361d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 362d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 363d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* d2i_SSL_SESSION_get_string gets an optional ASN.1 OCTET STRING 364d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * explicitly tagged with |tag| from |cbs| and saves it in |*out|. On 365d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * entry, if |*out| is not NULL, it frees the existing contents. If 366d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * the element was not found, it sets |*out| to NULL. It returns one 367d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * on success, whether or not the element was found, and zero on 368d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * decode error. */ 369d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic int d2i_SSL_SESSION_get_string(CBS *cbs, char **out, unsigned tag) { 370d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS value; 371d9e397b599b13d642138480a28c14db7a136bf0Adam Langley int present; 372d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_optional_asn1_octet_string(cbs, &value, &present, tag)) { 373d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 374d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 375d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 376d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (present) { 377d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_contains_zero_byte(&value)) { 378d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 379d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 380d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 381d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_strdup(&value, out)) { 382d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, ERR_R_MALLOC_FAILURE); 383d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 384d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 385e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley } else { 386d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_free(*out); 387d9e397b599b13d642138480a28c14db7a136bf0Adam Langley *out = NULL; 388d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 389d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 1; 390d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 391d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 392d9e397b599b13d642138480a28c14db7a136bf0Adam Langley/* d2i_SSL_SESSION_get_string gets an optional ASN.1 OCTET STRING 393d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * explicitly tagged with |tag| from |cbs| and stows it in |*out_ptr| 394d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * and |*out_len|. If |*out_ptr| is not NULL, it frees the existing 395d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * contents. On entry, if the element was not found, it sets 396d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * |*out_ptr| to NULL. It returns one on success, whether or not the 397d9e397b599b13d642138480a28c14db7a136bf0Adam Langley * element was found, and zero on decode error. */ 398d9e397b599b13d642138480a28c14db7a136bf0Adam Langleystatic int d2i_SSL_SESSION_get_octet_string(CBS *cbs, uint8_t **out_ptr, 399d9e397b599b13d642138480a28c14db7a136bf0Adam Langley size_t *out_len, unsigned tag) { 400d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS value; 401d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_optional_asn1_octet_string(cbs, &value, NULL, tag)) { 402d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 403d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 404d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 405d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_stow(&value, out_ptr, out_len)) { 406d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, ERR_R_MALLOC_FAILURE); 407d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 0; 408d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 409d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return 1; 410d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 411d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 412d9e397b599b13d642138480a28c14db7a136bf0Adam LangleySSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const uint8_t **pp, long length) { 413e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley SSL_SESSION *ret, *allocated = NULL; 414d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS cbs, session, cipher, session_id, master_key; 415d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS peer, sid_ctx, peer_sha256, original_handshake_hash; 416d9e397b599b13d642138480a28c14db7a136bf0Adam Langley int has_peer, has_peer_sha256, extended_master_secret; 417d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint64_t version, ssl_version; 418d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint64_t session_time, timeout, verify_result, ticket_lifetime_hint; 419d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 420d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (a && *a) { 421d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret = *a; 422d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } else { 423e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley ret = allocated = SSL_SESSION_new(); 424e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley if (allocated == NULL) { 425d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 426d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 427d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 428d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 429d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_init(&cbs, *pp, length); 430d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_asn1(&cbs, &session, CBS_ASN1_SEQUENCE) || 431d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_asn1_uint64(&session, &version) || 432d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_asn1_uint64(&session, &ssl_version) || 433d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_asn1(&session, &cipher, CBS_ASN1_OCTETSTRING) || 434d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_asn1(&session, &session_id, CBS_ASN1_OCTETSTRING) || 435d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_asn1(&session, &master_key, CBS_ASN1_OCTETSTRING) || 436d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1_uint64(&session, &session_time, kTimeTag, 437d9e397b599b13d642138480a28c14db7a136bf0Adam Langley time(NULL)) || 438d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1_uint64(&session, &timeout, kTimeoutTag, 3) || 439d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1(&session, &peer, &has_peer, kPeerTag) || 440d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1_octet_string(&session, &sid_ctx, NULL, 441d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kSessionIDContextTag) || 442d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1_uint64(&session, &verify_result, kVerifyResultTag, 443d9e397b599b13d642138480a28c14db7a136bf0Adam Langley X509_V_OK)) { 444d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 445d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 446d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 447d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!d2i_SSL_SESSION_get_string(&session, &ret->tlsext_hostname, 448d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kHostNameTag) || 449d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !d2i_SSL_SESSION_get_string(&session, &ret->psk_identity, 450d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kPSKIdentityTag)) { 451d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 452d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 453d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_optional_asn1_uint64(&session, &ticket_lifetime_hint, 454d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kTicketLifetimeHintTag, 0)) { 455d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 456d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 457d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 458d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!d2i_SSL_SESSION_get_octet_string(&session, &ret->tlsext_tick, 459d9e397b599b13d642138480a28c14db7a136bf0Adam Langley &ret->tlsext_ticklen, kTicketTag)) { 460d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 461d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 462d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_optional_asn1_octet_string(&session, &peer_sha256, 463d9e397b599b13d642138480a28c14db7a136bf0Adam Langley &has_peer_sha256, kPeerSHA256Tag) || 464d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !CBS_get_optional_asn1_octet_string(&session, &original_handshake_hash, 465d9e397b599b13d642138480a28c14db7a136bf0Adam Langley NULL, kOriginalHandshakeHashTag)) { 466d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 467d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 468d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 469d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!d2i_SSL_SESSION_get_octet_string( 470d9e397b599b13d642138480a28c14db7a136bf0Adam Langley &session, &ret->tlsext_signed_cert_timestamp_list, 471d9e397b599b13d642138480a28c14db7a136bf0Adam Langley &ret->tlsext_signed_cert_timestamp_list_length, 472d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kSignedCertTimestampListTag) || 473d9e397b599b13d642138480a28c14db7a136bf0Adam Langley !d2i_SSL_SESSION_get_octet_string( 474d9e397b599b13d642138480a28c14db7a136bf0Adam Langley &session, &ret->ocsp_response, &ret->ocsp_response_length, 475d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kOCSPResponseTag)) { 476d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 477d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 478d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_optional_asn1_bool(&session, &extended_master_secret, 479d9e397b599b13d642138480a28c14db7a136bf0Adam Langley kExtendedMasterSecretTag, 48053b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley 0 /* default to false */) || 48153b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley CBS_len(&session) != 0) { 482d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 483d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 484d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 485d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->extended_master_secret = extended_master_secret; 486d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 48753b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley if (version != SSL_SESSION_ASN1_VERSION) { 48853b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 48953b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley goto err; 49053b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley } 491d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 492d9e397b599b13d642138480a28c14db7a136bf0Adam Langley /* Only support SSLv3/TLS and DTLS. */ 493d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if ((ssl_version >> 8) != SSL3_VERSION_MAJOR && 494d9e397b599b13d642138480a28c14db7a136bf0Adam Langley (ssl_version >> 8) != (DTLS1_VERSION >> 8)) { 495d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_UNKNOWN_SSL_VERSION); 496d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 497d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 498d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->ssl_version = ssl_version; 499d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 500d9e397b599b13d642138480a28c14db7a136bf0Adam Langley uint16_t cipher_value; 501d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (!CBS_get_u16(&cipher, &cipher_value) || CBS_len(&cipher) != 0) { 502d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_CIPHER_CODE_WRONG_LENGTH); 503d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 504d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 50553b272a2813a0b11f107d77100ff8805ada8fbd2Adam Langley ret->cipher = SSL_get_cipher_by_value(cipher_value); 506d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (ret->cipher == NULL) { 507d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_UNSUPPORTED_CIPHER); 508d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 509d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 510d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 511d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_len(&session_id) > SSL3_MAX_SSL_SESSION_ID_LENGTH) { 512d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 513d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 514d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 515d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(ret->session_id, CBS_data(&session_id), CBS_len(&session_id)); 516d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->session_id_length = CBS_len(&session_id); 517d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 518d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_len(&master_key) > SSL_MAX_MASTER_KEY_LENGTH) { 519d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 520d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 521d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 522d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(ret->master_key, CBS_data(&master_key), CBS_len(&master_key)); 523d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->master_key_length = CBS_len(&master_key); 524d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 525d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (session_time > LONG_MAX || 526d9e397b599b13d642138480a28c14db7a136bf0Adam Langley timeout > LONG_MAX) { 527d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 528d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 529d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 530d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->time = session_time; 531d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->timeout = timeout; 532d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 533e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley X509_free(ret->peer); 534e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley ret->peer = NULL; 535d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (has_peer) { 536d9e397b599b13d642138480a28c14db7a136bf0Adam Langley const uint8_t *ptr; 537d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ptr = CBS_data(&peer); 538d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->peer = d2i_X509(NULL, &ptr, CBS_len(&peer)); 539d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (ret->peer == NULL) { 540d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 541d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 542d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (ptr != CBS_data(&peer) + CBS_len(&peer)) { 543d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 544d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 545d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 546d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 547d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 548d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_len(&sid_ctx) > sizeof(ret->sid_ctx)) { 549d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 550d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 551d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 552d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(ret->sid_ctx, CBS_data(&sid_ctx), CBS_len(&sid_ctx)); 553d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->sid_ctx_length = CBS_len(&sid_ctx); 554d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 555d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (verify_result > LONG_MAX || 556d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ticket_lifetime_hint > 0xffffffff) { 557d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 558d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 559d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 560d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->verify_result = verify_result; 561d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->tlsext_tick_lifetime_hint = ticket_lifetime_hint; 562d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 563d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (has_peer_sha256) { 564d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_len(&peer_sha256) != sizeof(ret->peer_sha256)) { 565d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 566d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 567d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 568d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(ret->peer_sha256, CBS_data(&peer_sha256), sizeof(ret->peer_sha256)); 569d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->peer_sha256_valid = 1; 570d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } else { 571d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->peer_sha256_valid = 0; 572d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 573d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 574d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (CBS_len(&original_handshake_hash) > 575d9e397b599b13d642138480a28c14db7a136bf0Adam Langley sizeof(ret->original_handshake_hash)) { 576d9e397b599b13d642138480a28c14db7a136bf0Adam Langley OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); 577d9e397b599b13d642138480a28c14db7a136bf0Adam Langley goto err; 578d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 579d9e397b599b13d642138480a28c14db7a136bf0Adam Langley memcpy(ret->original_handshake_hash, CBS_data(&original_handshake_hash), 580d9e397b599b13d642138480a28c14db7a136bf0Adam Langley CBS_len(&original_handshake_hash)); 581d9e397b599b13d642138480a28c14db7a136bf0Adam Langley ret->original_handshake_hash_len = CBS_len(&original_handshake_hash); 582d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 583d9e397b599b13d642138480a28c14db7a136bf0Adam Langley if (a) { 584d9e397b599b13d642138480a28c14db7a136bf0Adam Langley *a = ret; 585d9e397b599b13d642138480a28c14db7a136bf0Adam Langley } 586d9e397b599b13d642138480a28c14db7a136bf0Adam Langley *pp = CBS_data(&cbs); 587d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return ret; 588d9e397b599b13d642138480a28c14db7a136bf0Adam Langley 589d9e397b599b13d642138480a28c14db7a136bf0Adam Langleyerr: 590e9ada863a7b3e81f5d2b1e3bdd2305da902a87f5Adam Langley SSL_SESSION_free(allocated); 591d9e397b599b13d642138480a28c14db7a136bf0Adam Langley return NULL; 592d9e397b599b13d642138480a28c14db7a136bf0Adam Langley} 593