/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright 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 #include #include #include #include #include #include #include #include #include "ssl_locl.h" /* An SSL_SESSION is serialized as the following ASN.1 structure: * * SSLSession ::= SEQUENCE { * version INTEGER (1), -- ignored * sslVersion INTEGER, -- protocol version number * cipher OCTET STRING, -- two bytes long * sessionID OCTET STRING, * masterKey OCTET STRING, * keyArg [0] IMPLICIT OCTET STRING OPTIONAL, * -- ignored: legacy SSLv2-only field. * time [1] INTEGER OPTIONAL, -- seconds since UNIX epoch * timeout [2] INTEGER OPTIONAL, -- in seconds * peer [3] Certificate OPTIONAL, * sessionIDContext [4] OCTET STRING OPTIONAL, * verifyResult [5] INTEGER OPTIONAL, -- one of X509_V_* codes * hostName [6] OCTET STRING OPTIONAL, * -- from server_name extension * pskIdentityHint [7] OCTET STRING OPTIONAL, * pskIdentity [8] OCTET STRING OPTIONAL, * ticketLifetimeHint [9] INTEGER OPTIONAL, -- client-only * ticket [10] OCTET STRING OPTIONAL, -- client-only * peerSHA256 [13] OCTET STRING OPTIONAL, * originalHandshakeHash [14] OCTET STRING OPTIONAL, * signedCertTimestampList [15] OCTET STRING OPTIONAL, * -- contents of SCT extension * ocspResponse [16] OCTET STRING OPTIONAL, * -- stapled OCSP response from the server * } * * Note: When the relevant features were #ifdef'd out, support for * parsing compressionMethod [11] and srpUsername [12] was lost. */ static const int kKeyArgTag = CBS_ASN1_CONTEXT_SPECIFIC | 0; static const int kTimeTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 1; static const int kTimeoutTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 2; static const int kPeerTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 3; static const int kSessionIDContextTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 4; static const int kVerifyResultTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 5; static const int kHostNameTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 6; static const int kPSKIdentityHintTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 7; static const int kPSKIdentityTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 8; static const int kTicketLifetimeHintTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 9; static const int kTicketTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 10; static const int kPeerSHA256Tag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 13; static const int kOriginalHandshakeHashTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 14; static const int kSignedCertTimestampListTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 15; static const int kOCSPResponseTag = CBS_ASN1_CONSTRUCTED | CBS_ASN1_CONTEXT_SPECIFIC | 16; 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_INTEGER time; ASN1_INTEGER timeout; ASN1_INTEGER verify_result; ASN1_OCTET_STRING tlsext_hostname; ASN1_INTEGER tlsext_tick_lifetime; ASN1_OCTET_STRING tlsext_tick; ASN1_OCTET_STRING psk_identity_hint; ASN1_OCTET_STRING psk_identity; ASN1_OCTET_STRING peer_sha256; ASN1_OCTET_STRING original_handshake_hash; ASN1_OCTET_STRING tlsext_signed_cert_timestamp_list; ASN1_OCTET_STRING ocsp_response; } SSL_SESSION_ASN1; 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,v13=0,v14=0,v15=0,v16=0; unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2]; unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2]; int v6=0,v9=0,v10=0; unsigned char ibuf6[LSIZE2]; 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; } 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; 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); } 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); } 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); } if (in->peer_sha256_valid) { a.peer_sha256.length = sizeof(in->peer_sha256); a.peer_sha256.type = V_ASN1_OCTET_STRING; a.peer_sha256.data = in->peer_sha256; } if (in->original_handshake_hash_len > 0) { a.original_handshake_hash.length = in->original_handshake_hash_len; a.original_handshake_hash.type = V_ASN1_OCTET_STRING; a.original_handshake_hash.data = in->original_handshake_hash; } if (in->tlsext_signed_cert_timestamp_list_length > 0) { a.tlsext_signed_cert_timestamp_list.length = in->tlsext_signed_cert_timestamp_list_length; a.tlsext_signed_cert_timestamp_list.type = V_ASN1_OCTET_STRING; a.tlsext_signed_cert_timestamp_list.data = in->tlsext_signed_cert_timestamp_list; } if (in->ocsp_response_length > 0) { a.ocsp_response.length = in->ocsp_response_length; a.ocsp_response.type = V_ASN1_OCTET_STRING; a.ocsp_response.data = in->ocsp_response; } 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); 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 && in->peer_sha256_valid == 0) 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); 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); 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); if (in->peer_sha256_valid) M_ASN1_I2D_len_EXP_opt(&(a.peer_sha256),i2d_ASN1_OCTET_STRING,13,v13); if (in->original_handshake_hash_len > 0) M_ASN1_I2D_len_EXP_opt(&(a.original_handshake_hash),i2d_ASN1_OCTET_STRING,14,v14); if (in->tlsext_signed_cert_timestamp_list_length > 0) M_ASN1_I2D_len_EXP_opt(&(a.tlsext_signed_cert_timestamp_list), i2d_ASN1_OCTET_STRING, 15, v15); if (in->ocsp_response_length > 0) M_ASN1_I2D_len_EXP_opt(&(a.ocsp_response), i2d_ASN1_OCTET_STRING, 16, v16); 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); 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 && in->peer_sha256_valid == 0) 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); if (in->tlsext_hostname) M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6); 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); 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); if (in->peer_sha256_valid) M_ASN1_I2D_put_EXP_opt(&(a.peer_sha256),i2d_ASN1_OCTET_STRING,13,v13); if (in->original_handshake_hash_len > 0) M_ASN1_I2D_put_EXP_opt(&(a.original_handshake_hash),i2d_ASN1_OCTET_STRING,14,v14); if (in->tlsext_signed_cert_timestamp_list_length > 0) M_ASN1_I2D_put_EXP_opt(&(a.tlsext_signed_cert_timestamp_list), i2d_ASN1_OCTET_STRING, 15, v15); if (in->ocsp_response > 0) M_ASN1_I2D_put_EXP_opt(&(a.ocsp_response), i2d_ASN1_OCTET_STRING, 16, v16); M_ASN1_I2D_finish(); } /* d2i_SSL_SESSION_get_string gets an optional ASN.1 OCTET STRING * explicitly tagged with |tag| from |cbs| and saves it in |*out|. On * entry, if |*out| is not NULL, it frees the existing contents. If * the element was not found, it sets |*out| to NULL. It returns one * on success, whether or not the element was found, and zero on * decode error. */ static int d2i_SSL_SESSION_get_string(CBS *cbs, char **out, unsigned tag) { CBS value; int present; if (!CBS_get_optional_asn1_octet_string(cbs, &value, &present, tag)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); return 0; } if (present) { if (CBS_contains_zero_byte(&value)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); return 0; } if (!CBS_strdup(&value, out)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, ERR_R_MALLOC_FAILURE); return 0; } } else if (*out) { OPENSSL_free(*out); *out = NULL; } return 1; } /* d2i_SSL_SESSION_get_string gets an optional ASN.1 OCTET STRING * explicitly tagged with |tag| from |cbs| and stows it in |*out_ptr| * and |*out_len|. If |*out_ptr| is not NULL, it frees the existing * contents. On entry, if the element was not found, it sets * |*out_ptr| to NULL. It returns one on success, whether or not the * element was found, and zero on decode error. */ static int d2i_SSL_SESSION_get_octet_string(CBS *cbs, uint8_t **out_ptr, size_t *out_len, unsigned tag) { CBS value; if (!CBS_get_optional_asn1_octet_string(cbs, &value, NULL, tag)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); return 0; } if (!CBS_stow(&value, out_ptr, out_len)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, ERR_R_MALLOC_FAILURE); return 0; } return 1; } SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const uint8_t **pp, long length) { SSL_SESSION *ret = NULL; CBS cbs, session, cipher, session_id, master_key; CBS key_arg, peer, sid_ctx, peer_sha256, original_handshake_hash; int has_key_arg, has_peer, has_peer_sha256; uint64_t version, ssl_version; uint64_t session_time, timeout, verify_result, ticket_lifetime_hint; if (a && *a) { ret = *a; } else { ret = SSL_SESSION_new(); if (ret == NULL) { goto err; } } CBS_init(&cbs, *pp, length); if (!CBS_get_asn1(&cbs, &session, CBS_ASN1_SEQUENCE) || !CBS_get_asn1_uint64(&session, &version) || !CBS_get_asn1_uint64(&session, &ssl_version) || !CBS_get_asn1(&session, &cipher, CBS_ASN1_OCTETSTRING) || !CBS_get_asn1(&session, &session_id, CBS_ASN1_OCTETSTRING) || !CBS_get_asn1(&session, &master_key, CBS_ASN1_OCTETSTRING) || !CBS_get_optional_asn1(&session, &key_arg, &has_key_arg, kKeyArgTag) || !CBS_get_optional_asn1_uint64(&session, &session_time, kTimeTag, time(NULL)) || !CBS_get_optional_asn1_uint64(&session, &timeout, kTimeoutTag, 3) || !CBS_get_optional_asn1(&session, &peer, &has_peer, kPeerTag) || !CBS_get_optional_asn1_octet_string(&session, &sid_ctx, NULL, kSessionIDContextTag) || !CBS_get_optional_asn1_uint64(&session, &verify_result, kVerifyResultTag, X509_V_OK)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } if (!d2i_SSL_SESSION_get_string(&session, &ret->tlsext_hostname, kHostNameTag) || !d2i_SSL_SESSION_get_string(&session, &ret->psk_identity_hint, kPSKIdentityHintTag) || !d2i_SSL_SESSION_get_string(&session, &ret->psk_identity, kPSKIdentityTag)) { goto err; } if (!CBS_get_optional_asn1_uint64(&session, &ticket_lifetime_hint, kTicketLifetimeHintTag, 0)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } if (!d2i_SSL_SESSION_get_octet_string(&session, &ret->tlsext_tick, &ret->tlsext_ticklen, kTicketTag)) { goto err; } if (!CBS_get_optional_asn1_octet_string(&session, &peer_sha256, &has_peer_sha256, kPeerSHA256Tag) || !CBS_get_optional_asn1_octet_string(&session, &original_handshake_hash, NULL, kOriginalHandshakeHashTag)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } if (!d2i_SSL_SESSION_get_octet_string( &session, &ret->tlsext_signed_cert_timestamp_list, &ret->tlsext_signed_cert_timestamp_list_length, kSignedCertTimestampListTag) || !d2i_SSL_SESSION_get_octet_string( &session, &ret->ocsp_response, &ret->ocsp_response_length, kOCSPResponseTag)) { goto err; } /* Ignore |version|. The structure version number is ignored. */ /* Only support SSLv3/TLS and DTLS. */ if ((ssl_version >> 8) != SSL3_VERSION_MAJOR && (ssl_version >> 8) != (DTLS1_VERSION >> 8)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_UNKNOWN_SSL_VERSION); goto err; } ret->ssl_version = ssl_version; if (CBS_len(&cipher) != 2) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_CIPHER_CODE_WRONG_LENGTH); goto err; } ret->cipher_id = 0x03000000L | (CBS_data(&cipher)[0] << 8L) | CBS_data(&cipher)[1]; ret->cipher = ssl3_get_cipher_by_value(ret->cipher_id & 0xffff); if (ret->cipher == NULL) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_UNSUPPORTED_CIPHER); goto err; } if (CBS_len(&session_id) > SSL3_MAX_SSL_SESSION_ID_LENGTH) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } memcpy(ret->session_id, CBS_data(&session_id), CBS_len(&session_id)); ret->session_id_length = CBS_len(&session_id); if (CBS_len(&master_key) > SSL_MAX_MASTER_KEY_LENGTH) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } memcpy(ret->master_key, CBS_data(&master_key), CBS_len(&master_key)); ret->master_key_length = CBS_len(&master_key); if (session_time > LONG_MAX || timeout > LONG_MAX) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } ret->time = session_time; ret->timeout = timeout; if (ret->peer != NULL) { X509_free(ret->peer); ret->peer = NULL; } if (has_peer) { const uint8_t *ptr; ptr = CBS_data(&peer); ret->peer = d2i_X509(NULL, &ptr, CBS_len(&peer)); if (ret->peer == NULL) { goto err; } if (ptr != CBS_data(&peer) + CBS_len(&peer)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } } if (CBS_len(&sid_ctx) > sizeof(ret->sid_ctx)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } memcpy(ret->sid_ctx, CBS_data(&sid_ctx), CBS_len(&sid_ctx)); ret->sid_ctx_length = CBS_len(&sid_ctx); if (verify_result > LONG_MAX || ticket_lifetime_hint > 0xffffffff) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } ret->verify_result = verify_result; ret->tlsext_tick_lifetime_hint = ticket_lifetime_hint; if (has_peer_sha256) { if (CBS_len(&peer_sha256) != sizeof(ret->peer_sha256)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } memcpy(ret->peer_sha256, CBS_data(&peer_sha256), sizeof(ret->peer_sha256)); ret->peer_sha256_valid = 1; } else { ret->peer_sha256_valid = 0; } if (CBS_len(&original_handshake_hash) > sizeof(ret->original_handshake_hash)) { OPENSSL_PUT_ERROR(SSL, d2i_SSL_SESSION, SSL_R_INVALID_SSL_SESSION); goto err; } memcpy(ret->original_handshake_hash, CBS_data(&original_handshake_hash), CBS_len(&original_handshake_hash)); ret->original_handshake_hash_len = CBS_len(&original_handshake_hash); if (a) { *a = ret; } *pp = CBS_data(&cbs); return ret; err: if (a && *a != ret) { SSL_SESSION_free(ret); } return NULL; }