mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 05:41:46 +08:00
605856d72c
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org> (Merged from https://github.com/openssl/openssl/pull/13533)
394 lines
12 KiB
C
394 lines
12 KiB
C
/*
|
|
* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
|
|
* Copyright 2005 Nokia. All rights reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (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
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "ssl_local.h"
|
|
#include <openssl/asn1t.h>
|
|
#include <openssl/x509.h>
|
|
|
|
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;
|
|
uint64_t tlsext_tick_lifetime_hint;
|
|
uint32_t tlsext_tick_age_add;
|
|
ASN1_OCTET_STRING *tlsext_tick;
|
|
#ifndef OPENSSL_NO_PSK
|
|
ASN1_OCTET_STRING *psk_identity_hint;
|
|
ASN1_OCTET_STRING *psk_identity;
|
|
#endif
|
|
#ifndef OPENSSL_NO_SRP
|
|
ASN1_OCTET_STRING *srp_username;
|
|
#endif
|
|
uint64_t flags;
|
|
uint32_t max_early_data;
|
|
ASN1_OCTET_STRING *alpn_selected;
|
|
uint32_t tlsext_max_fragment_len_mode;
|
|
ASN1_OCTET_STRING *ticket_appdata;
|
|
} 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),
|
|
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_tick_age_add, ZUINT32, 14),
|
|
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, max_early_data, ZUINT32, 15),
|
|
ASN1_EXP_OPT(SSL_SESSION_ASN1, alpn_selected, ASN1_OCTET_STRING, 16),
|
|
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_max_fragment_len_mode, ZUINT32, 17),
|
|
ASN1_EXP_OPT(SSL_SESSION_ASN1, ticket_appdata, ASN1_OCTET_STRING, 18)
|
|
} 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,
|
|
const unsigned char *data, size_t len)
|
|
{
|
|
os->data = (unsigned char *)data; /* justified cast: data is not modified */
|
|
os->length = (int)len;
|
|
os->flags = 0;
|
|
*dest = os;
|
|
}
|
|
|
|
/* Initialise OCTET STRING from string */
|
|
static void ssl_session_sinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os,
|
|
const char *data)
|
|
{
|
|
if (data != NULL)
|
|
ssl_session_oinit(dest, os, (const unsigned char *)data, strlen(data));
|
|
else
|
|
*dest = NULL;
|
|
}
|
|
|
|
int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp)
|
|
{
|
|
|
|
SSL_SESSION_ASN1 as;
|
|
|
|
ASN1_OCTET_STRING cipher;
|
|
unsigned char cipher_data[2];
|
|
ASN1_OCTET_STRING master_key, session_id, sid_ctx;
|
|
|
|
#ifndef OPENSSL_NO_COMP
|
|
ASN1_OCTET_STRING comp_id;
|
|
unsigned char comp_id_data;
|
|
#endif
|
|
ASN1_OCTET_STRING tlsext_hostname, tlsext_tick;
|
|
#ifndef OPENSSL_NO_SRP
|
|
ASN1_OCTET_STRING srp_username;
|
|
#endif
|
|
#ifndef OPENSSL_NO_PSK
|
|
ASN1_OCTET_STRING psk_identity, psk_identity_hint;
|
|
#endif
|
|
ASN1_OCTET_STRING alpn_selected;
|
|
ASN1_OCTET_STRING ticket_appdata;
|
|
|
|
long l;
|
|
|
|
if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
|
|
return 0;
|
|
|
|
memset(&as, 0, sizeof(as));
|
|
|
|
as.version = SSL_SESSION_ASN1_VERSION;
|
|
as.ssl_version = in->ssl_version;
|
|
|
|
if (in->cipher == NULL)
|
|
l = in->cipher_id;
|
|
else
|
|
l = in->cipher->id;
|
|
cipher_data[0] = ((unsigned char)(l >> 8L)) & 0xff;
|
|
cipher_data[1] = ((unsigned char)(l)) & 0xff;
|
|
|
|
ssl_session_oinit(&as.cipher, &cipher, cipher_data, 2);
|
|
|
|
#ifndef OPENSSL_NO_COMP
|
|
if (in->compress_meth) {
|
|
comp_id_data = (unsigned char)in->compress_meth;
|
|
ssl_session_oinit(&as.comp_id, &comp_id, &comp_id_data, 1);
|
|
}
|
|
#endif
|
|
|
|
ssl_session_oinit(&as.master_key, &master_key,
|
|
in->master_key, in->master_key_length);
|
|
|
|
ssl_session_oinit(&as.session_id, &session_id,
|
|
in->session_id, in->session_id_length);
|
|
|
|
ssl_session_oinit(&as.session_id_context, &sid_ctx,
|
|
in->sid_ctx, in->sid_ctx_length);
|
|
|
|
as.time = in->time;
|
|
as.timeout = in->timeout;
|
|
as.verify_result = in->verify_result;
|
|
|
|
as.peer = in->peer;
|
|
|
|
ssl_session_sinit(&as.tlsext_hostname, &tlsext_hostname,
|
|
in->ext.hostname);
|
|
if (in->ext.tick) {
|
|
ssl_session_oinit(&as.tlsext_tick, &tlsext_tick,
|
|
in->ext.tick, in->ext.ticklen);
|
|
}
|
|
if (in->ext.tick_lifetime_hint > 0)
|
|
as.tlsext_tick_lifetime_hint = in->ext.tick_lifetime_hint;
|
|
as.tlsext_tick_age_add = in->ext.tick_age_add;
|
|
#ifndef OPENSSL_NO_PSK
|
|
ssl_session_sinit(&as.psk_identity_hint, &psk_identity_hint,
|
|
in->psk_identity_hint);
|
|
ssl_session_sinit(&as.psk_identity, &psk_identity, in->psk_identity);
|
|
#endif /* OPENSSL_NO_PSK */
|
|
#ifndef OPENSSL_NO_SRP
|
|
ssl_session_sinit(&as.srp_username, &srp_username, in->srp_username);
|
|
#endif /* OPENSSL_NO_SRP */
|
|
|
|
as.flags = in->flags;
|
|
as.max_early_data = in->ext.max_early_data;
|
|
|
|
if (in->ext.alpn_selected == NULL)
|
|
as.alpn_selected = NULL;
|
|
else
|
|
ssl_session_oinit(&as.alpn_selected, &alpn_selected,
|
|
in->ext.alpn_selected, in->ext.alpn_selected_len);
|
|
|
|
as.tlsext_max_fragment_len_mode = in->ext.max_fragment_len_mode;
|
|
|
|
if (in->ticket_appdata == NULL)
|
|
as.ticket_appdata = NULL;
|
|
else
|
|
ssl_session_oinit(&as.ticket_appdata, &ticket_appdata,
|
|
in->ticket_appdata, in->ticket_appdata_len);
|
|
|
|
return i2d_SSL_SESSION_ASN1(&as, pp);
|
|
|
|
}
|
|
|
|
/* Utility functions for d2i_SSL_SESSION */
|
|
|
|
/* OPENSSL_strndup an OCTET STRING */
|
|
|
|
static int ssl_session_strndup(char **pdst, ASN1_OCTET_STRING *src)
|
|
{
|
|
OPENSSL_free(*pdst);
|
|
*pdst = NULL;
|
|
if (src == NULL)
|
|
return 1;
|
|
*pdst = OPENSSL_strndup((char *)src->data, src->length);
|
|
if (*pdst == NULL)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/* Copy an OCTET STRING, return error if it exceeds maximum length */
|
|
|
|
static int ssl_session_memcpy(unsigned char *dst, size_t *pdstlen,
|
|
ASN1_OCTET_STRING *src, size_t maxlen)
|
|
{
|
|
if (src == NULL) {
|
|
*pdstlen = 0;
|
|
return 1;
|
|
}
|
|
if (src->length < 0 || src->length > (int)maxlen)
|
|
return 0;
|
|
memcpy(dst, src->data, src->length);
|
|
*pdstlen = src->length;
|
|
return 1;
|
|
}
|
|
|
|
SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
|
|
long length)
|
|
{
|
|
long id;
|
|
size_t tmpl;
|
|
const unsigned char *p = *pp;
|
|
SSL_SESSION_ASN1 *as = NULL;
|
|
SSL_SESSION *ret = NULL;
|
|
|
|
as = d2i_SSL_SESSION_ASN1(NULL, &p, length);
|
|
/* ASN.1 code returns suitable error */
|
|
if (as == NULL)
|
|
goto err;
|
|
|
|
if (a == NULL || *a == NULL) {
|
|
ret = SSL_SESSION_new();
|
|
if (ret == NULL)
|
|
goto err;
|
|
} else {
|
|
ret = *a;
|
|
}
|
|
|
|
if (as->version != SSL_SESSION_ASN1_VERSION) {
|
|
ERR_raise(ERR_LIB_SSL, 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) {
|
|
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_SSL_VERSION);
|
|
goto err;
|
|
}
|
|
|
|
ret->ssl_version = (int)as->ssl_version;
|
|
|
|
if (as->cipher->length != 2) {
|
|
ERR_raise(ERR_LIB_SSL, SSL_R_CIPHER_CODE_WRONG_LENGTH);
|
|
goto err;
|
|
}
|
|
|
|
id = 0x03000000L | ((unsigned long)as->cipher->data[0] << 8L)
|
|
| (unsigned long)as->cipher->data[1];
|
|
|
|
ret->cipher_id = id;
|
|
ret->cipher = ssl3_get_cipher_by_id(id);
|
|
if (ret->cipher == NULL)
|
|
goto err;
|
|
|
|
if (!ssl_session_memcpy(ret->session_id, &ret->session_id_length,
|
|
as->session_id, SSL3_MAX_SSL_SESSION_ID_LENGTH))
|
|
goto err;
|
|
|
|
if (!ssl_session_memcpy(ret->master_key, &tmpl,
|
|
as->master_key, TLS13_MAX_RESUMPTION_PSK_LENGTH))
|
|
goto err;
|
|
|
|
ret->master_key_length = tmpl;
|
|
|
|
if (as->time != 0)
|
|
ret->time = (long)as->time;
|
|
else
|
|
ret->time = (long)time(NULL);
|
|
|
|
if (as->timeout != 0)
|
|
ret->timeout = (long)as->timeout;
|
|
else
|
|
ret->timeout = 3;
|
|
|
|
X509_free(ret->peer);
|
|
ret->peer = as->peer;
|
|
as->peer = NULL;
|
|
|
|
if (!ssl_session_memcpy(ret->sid_ctx, &ret->sid_ctx_length,
|
|
as->session_id_context, SSL_MAX_SID_CTX_LENGTH))
|
|
goto err;
|
|
|
|
/* NB: this defaults to zero which is X509_V_OK */
|
|
ret->verify_result = as->verify_result;
|
|
|
|
if (!ssl_session_strndup(&ret->ext.hostname, as->tlsext_hostname))
|
|
goto err;
|
|
|
|
#ifndef OPENSSL_NO_PSK
|
|
if (!ssl_session_strndup(&ret->psk_identity_hint, as->psk_identity_hint))
|
|
goto err;
|
|
if (!ssl_session_strndup(&ret->psk_identity, as->psk_identity))
|
|
goto err;
|
|
#endif
|
|
|
|
ret->ext.tick_lifetime_hint = (unsigned long)as->tlsext_tick_lifetime_hint;
|
|
ret->ext.tick_age_add = as->tlsext_tick_age_add;
|
|
OPENSSL_free(ret->ext.tick);
|
|
if (as->tlsext_tick != NULL) {
|
|
ret->ext.tick = as->tlsext_tick->data;
|
|
ret->ext.ticklen = as->tlsext_tick->length;
|
|
as->tlsext_tick->data = NULL;
|
|
} else {
|
|
ret->ext.tick = NULL;
|
|
}
|
|
#ifndef OPENSSL_NO_COMP
|
|
if (as->comp_id) {
|
|
if (as->comp_id->length != 1) {
|
|
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
|
|
goto err;
|
|
}
|
|
ret->compress_meth = as->comp_id->data[0];
|
|
} else {
|
|
ret->compress_meth = 0;
|
|
}
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_SRP
|
|
if (!ssl_session_strndup(&ret->srp_username, as->srp_username))
|
|
goto err;
|
|
#endif /* OPENSSL_NO_SRP */
|
|
/* Flags defaults to zero which is fine */
|
|
ret->flags = (int32_t)as->flags;
|
|
ret->ext.max_early_data = as->max_early_data;
|
|
|
|
OPENSSL_free(ret->ext.alpn_selected);
|
|
if (as->alpn_selected != NULL) {
|
|
ret->ext.alpn_selected = as->alpn_selected->data;
|
|
ret->ext.alpn_selected_len = as->alpn_selected->length;
|
|
as->alpn_selected->data = NULL;
|
|
} else {
|
|
ret->ext.alpn_selected = NULL;
|
|
ret->ext.alpn_selected_len = 0;
|
|
}
|
|
|
|
ret->ext.max_fragment_len_mode = as->tlsext_max_fragment_len_mode;
|
|
|
|
OPENSSL_free(ret->ticket_appdata);
|
|
if (as->ticket_appdata != NULL) {
|
|
ret->ticket_appdata = as->ticket_appdata->data;
|
|
ret->ticket_appdata_len = as->ticket_appdata->length;
|
|
as->ticket_appdata->data = NULL;
|
|
} else {
|
|
ret->ticket_appdata = NULL;
|
|
ret->ticket_appdata_len = 0;
|
|
}
|
|
|
|
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;
|
|
}
|