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Import OpenSSL 1.1.0f

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This commit is contained in:
Steve Dower
2017-09-07 16:27:43 -07:00
committed by Steve Dower
parent ccd3ab4aff
commit f4b81cb7c9
3340 changed files with 325158 additions and 557542 deletions
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780
ssl/ssl_asn1.c
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@@ -1,60 +1,12 @@
/* ssl/ssl_asn1.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
/*
* Copyright 1995-2017 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.
*
@@ -85,555 +37,331 @@
#include <stdio.h>
#include <stdlib.h>
#include "ssl_locl.h"
#include <openssl/asn1_mac.h>
#include <openssl/objects.h>
#include "internal/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 {
uint32_t version;
int32_t 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;
int64_t time;
int64_t timeout;
X509 *peer;
ASN1_OCTET_STRING *session_id_context;
int32_t verify_result;
ASN1_OCTET_STRING *tlsext_hostname;
int64_t tlsext_tick_lifetime_hint;
ASN1_OCTET_STRING *tlsext_tick;
#ifndef OPENSSL_NO_PSK
ASN1_OCTET_STRING psk_identity_hint;
ASN1_OCTET_STRING psk_identity;
#endif /* 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 /* OPENSSL_NO_SRP */
ASN1_OCTET_STRING *srp_username;
#endif
uint64_t flags;
} SSL_SESSION_ASN1;
ASN1_SEQUENCE(SSL_SESSION_ASN1) = {
ASN1_EMBED(SSL_SESSION_ASN1, version, UINT32),
ASN1_EMBED(SSL_SESSION_ASN1, ssl_version, INT32),
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_EMBED(SSL_SESSION_ASN1, time, ZINT64, 1),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, timeout, ZINT64, 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_EMBED(SSL_SESSION_ASN1, verify_result, ZINT32, 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_EMBED(SSL_SESSION_ASN1, tlsext_tick_lifetime_hint, ZUINT64, 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_EMBED(SSL_SESSION_ASN1, flags, ZUINT64, 13)
} 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 = 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;
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
#ifndef OPENSSL_NO_PSK
int v7 = 0, v8 = 0;
#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
ASN1_OCTET_STRING tlsext_hostname, tlsext_tick;
#ifndef OPENSSL_NO_SRP
int v12 = 0;
ASN1_OCTET_STRING srp_username;
#endif
#ifndef OPENSSL_NO_PSK
ASN1_OCTET_STRING psk_identity, psk_identity_hint;
#endif
long l;
SSL_SESSION_ASN1 a;
M_ASN1_I2D_vars(in);
if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
return (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);
memset(&as, 0, sizeof(as));
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;
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;
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;
}
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) {
cbuf = (unsigned char)in->compress_meth;
a.comp_id.length = 1;
a.comp_id.type = V_ASN1_OCTET_STRING;
a.comp_id.data = &cbuf;
comp_id_data = (unsigned char)in->compress_meth;
ssl_session_oinit(&as.comp_id, &comp_id, &comp_id_data, 1);
}
#endif
a.master_key.length = in->master_key_length;
a.master_key.type = V_ASN1_OCTET_STRING;
a.master_key.data = in->master_key;
ssl_session_oinit(&as.master_key, &master_key,
in->master_key, in->master_key_length);
a.session_id.length = in->session_id_length;
a.session_id.type = V_ASN1_OCTET_STRING;
a.session_id.data = in->session_id;
ssl_session_oinit(&as.session_id, &session_id,
in->session_id, in->session_id_length);
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;
ssl_session_oinit(&as.session_id_context, &sid_ctx,
in->sid_ctx, in->sid_ctx_length);
a.key_arg.length = in->key_arg_length;
a.key_arg.type = V_ASN1_OCTET_STRING;
a.key_arg.data = in->key_arg;
as.time = in->time;
as.timeout = in->timeout;
as.verify_result = in->verify_result;
#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 */
as.peer = in->peer;
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;
}
ssl_session_sinit(&as.tlsext_hostname, &tlsext_hostname,
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;
ssl_session_oinit(&as.tlsext_tick, &tlsext_tick,
in->tlsext_tick, in->tlsext_ticklen);
}
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 */
#ifndef OPENSSL_NO_SRP
if (in->srp_username) {
a.srp_username.length = strlen(in->srp_username);
a.srp_username.type = V_ASN1_OCTET_STRING;
a.srp_username.data = (unsigned char *)(in->srp_username);
}
#endif /* OPENSSL_NO_SRP */
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);
# endif
#endif /* OPENSSL_NO_TLSEXT */
as.tlsext_tick_lifetime_hint = in->tlsext_tick_lifetime_hint;
#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);
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
if (in->srp_username)
M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,
v12);
ssl_session_sinit(&as.srp_username, &srp_username, in->srp_username);
#endif /* OPENSSL_NO_SRP */
M_ASN1_I2D_seq_total();
as.flags = in->flags;
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 */
#ifndef OPENSSL_NO_COMP
if (in->compress_meth)
M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING, 11, v11);
#endif
#ifndef OPENSSL_NO_SRP
if (in->srp_username)
M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING, 12,
v12);
#endif /* OPENSSL_NO_SRP */
M_ASN1_I2D_finish();
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, unsigned int *pdstlen,
ASN1_OCTET_STRING *src, int maxlen)
{
if (src == NULL) {
*pdstlen = 0;
return 1;
}
if (src->length > 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);
unsigned int tmpl;
const unsigned char *p = *pp;
SSL_SESSION_ASN1 *as = NULL;
SSL_SESSION *ret = NULL;
aip = &ai;
osp = &os;
as = d2i_SSL_SESSION_ASN1(NULL, &p, length);
/* ASN.1 code returns suitable error */
if (as == NULL)
goto err;
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;
c.line = __LINE__;
if (!a || !*a) {
ret = SSL_SESSION_new();
if (ret == NULL)
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
|| (ssl_version >> 8) == DTLS1_VERSION_MAJOR
|| ssl_version == DTLS1_BAD_VER) {
if (os.length != 2) {
c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;
c.line = __LINE__;
goto err;
}
id = 0x03000000L |
((unsigned long)os.data[0] << 8L) | (unsigned long)os.data[1];
} else {
c.error = SSL_R_UNKNOWN_SSL_VERSION;
c.line = __LINE__;
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 = 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 (!ssl_session_memcpy(ret->session_id, &ret->session_id_length,
as->session_id, SSL3_MAX_SSL_SESSION_ID_LENGTH))
goto err;
if (os.length > i)
os.length = i;
if (os.length > (int)sizeof(ret->session_id)) /* can't happen */
os.length = sizeof(ret->session_id);
if (!ssl_session_memcpy(ret->master_key, &tmpl,
as->master_key, SSL_MAX_MASTER_KEY_LENGTH))
goto err;
ret->session_id_length = os.length;
OPENSSL_assert(os.length <= (int)sizeof(ret->session_id));
memcpy(ret->session_id, os.data, os.length);
ret->master_key_length = tmpl;
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;
if (as->time != 0)
ret->time = as->time;
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
if (as->timeout != 0)
ret->timeout = as->timeout;
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);
X509_free(ret->peer);
ret->peer = as->peer;
as->peer = NULL;
os.length = 0;
os.data = NULL;
M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 4);
if (!ssl_session_memcpy(ret->sid_ctx, &ret->sid_ctx_length,
as->session_id_context, SSL_MAX_SID_CTX_LENGTH))
goto err;
if (os.data != NULL) {
if (os.length > SSL_MAX_SID_CTX_LENGTH) {
c.error = SSL_R_BAD_LENGTH;
c.line = __LINE__;
OPENSSL_free(os.data);
os.data = NULL;
os.length = 0;
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;
/* NB: this defaults to zero which is X509_V_OK */
ret->verify_result = as->verify_result;
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 */
if (!ssl_session_strndup(&ret->tlsext_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;
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
os.length = 0;
os.data = NULL;
M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 8);
if (os.data) {
ret->psk_identity = BUF_strndup((char *)os.data, os.length);
OPENSSL_free(os.data);
os.data = NULL;
os.length = 0;
} else
ret->psk_identity = 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_lifetime_hint = as->tlsext_tick_lifetime_hint;
if (as->tlsext_tick) {
ret->tlsext_tick = as->tlsext_tick->data;
ret->tlsext_ticklen = as->tlsext_tick->length;
as->tlsext_tick->data = NULL;
} else {
ret->tlsext_tick = NULL;
#endif /* OPENSSL_NO_TLSEXT */
}
#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
#ifndef OPENSSL_NO_SRP
os.length = 0;
os.data = NULL;
M_ASN1_D2I_get_EXP_opt(osp, d2i_ASN1_OCTET_STRING, 12);
if (os.data) {
ret->srp_username = BUF_strndup((char *)os.data, os.length);
OPENSSL_free(os.data);
os.data = NULL;
os.length = 0;
} else
ret->srp_username = NULL;
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_D2I_Finish(a, SSL_SESSION_free, SSL_F_D2I_SSL_SESSION);
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;
}