early-access version 1255
This commit is contained in:
pineappleEA
517
externals/libressl/ssl/tls13_handshake.c
vendored
Executable file
517
externals/libressl/ssl/tls13_handshake.c
vendored
Executable file
@@ -0,0 +1,517 @@
|
||||
/* $OpenBSD: tls13_handshake.c,v 1.64 2020/07/30 16:23:17 tb Exp $ */
|
||||
/*
|
||||
* Copyright (c) 2018-2019 Theo Buehler <tb@openbsd.org>
|
||||
* Copyright (c) 2019 Joel Sing <jsing@openbsd.org>
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <stddef.h>
|
||||
|
||||
#include "ssl_locl.h"
|
||||
#include "tls13_handshake.h"
|
||||
#include "tls13_internal.h"
|
||||
|
||||
/* Based on RFC 8446 and inspired by s2n's TLS 1.2 state machine. */
|
||||
|
||||
struct tls13_handshake_action {
|
||||
uint8_t handshake_type;
|
||||
uint8_t sender;
|
||||
uint8_t handshake_complete;
|
||||
uint8_t send_preserve_transcript_hash;
|
||||
uint8_t recv_preserve_transcript_hash;
|
||||
|
||||
int (*send)(struct tls13_ctx *ctx, CBB *cbb);
|
||||
int (*sent)(struct tls13_ctx *ctx);
|
||||
int (*recv)(struct tls13_ctx *ctx, CBS *cbs);
|
||||
};
|
||||
|
||||
static enum tls13_message_type
|
||||
tls13_handshake_active_state(struct tls13_ctx *ctx);
|
||||
|
||||
static const struct tls13_handshake_action *
|
||||
tls13_handshake_active_action(struct tls13_ctx *ctx);
|
||||
static int tls13_handshake_advance_state_machine(struct tls13_ctx *ctx);
|
||||
|
||||
static int tls13_handshake_send_action(struct tls13_ctx *ctx,
|
||||
const struct tls13_handshake_action *action);
|
||||
static int tls13_handshake_recv_action(struct tls13_ctx *ctx,
|
||||
const struct tls13_handshake_action *action);
|
||||
|
||||
static const struct tls13_handshake_action state_machine[] = {
|
||||
[CLIENT_HELLO] = {
|
||||
.handshake_type = TLS13_MT_CLIENT_HELLO,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.send = tls13_client_hello_send,
|
||||
.sent = tls13_client_hello_sent,
|
||||
.recv = tls13_client_hello_recv,
|
||||
},
|
||||
[CLIENT_HELLO_RETRY] = {
|
||||
.handshake_type = TLS13_MT_CLIENT_HELLO,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.send = tls13_client_hello_retry_send,
|
||||
.recv = tls13_client_hello_retry_recv,
|
||||
},
|
||||
[CLIENT_END_OF_EARLY_DATA] = {
|
||||
.handshake_type = TLS13_MT_END_OF_EARLY_DATA,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.send = tls13_client_end_of_early_data_send,
|
||||
.recv = tls13_client_end_of_early_data_recv,
|
||||
},
|
||||
[CLIENT_CERTIFICATE] = {
|
||||
.handshake_type = TLS13_MT_CERTIFICATE,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.send_preserve_transcript_hash = 1,
|
||||
.send = tls13_client_certificate_send,
|
||||
.recv = tls13_client_certificate_recv,
|
||||
},
|
||||
[CLIENT_CERTIFICATE_VERIFY] = {
|
||||
.handshake_type = TLS13_MT_CERTIFICATE_VERIFY,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.recv_preserve_transcript_hash = 1,
|
||||
.send = tls13_client_certificate_verify_send,
|
||||
.recv = tls13_client_certificate_verify_recv,
|
||||
},
|
||||
[CLIENT_FINISHED] = {
|
||||
.handshake_type = TLS13_MT_FINISHED,
|
||||
.sender = TLS13_HS_CLIENT,
|
||||
.recv_preserve_transcript_hash = 1,
|
||||
.send = tls13_client_finished_send,
|
||||
.sent = tls13_client_finished_sent,
|
||||
.recv = tls13_client_finished_recv,
|
||||
},
|
||||
[SERVER_HELLO] = {
|
||||
.handshake_type = TLS13_MT_SERVER_HELLO,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.send = tls13_server_hello_send,
|
||||
.sent = tls13_server_hello_sent,
|
||||
.recv = tls13_server_hello_recv,
|
||||
},
|
||||
[SERVER_HELLO_RETRY_REQUEST] = {
|
||||
.handshake_type = TLS13_MT_SERVER_HELLO,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.send = tls13_server_hello_retry_request_send,
|
||||
.recv = tls13_server_hello_retry_request_recv,
|
||||
.sent = tls13_server_hello_retry_request_sent,
|
||||
},
|
||||
[SERVER_ENCRYPTED_EXTENSIONS] = {
|
||||
.handshake_type = TLS13_MT_ENCRYPTED_EXTENSIONS,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.send = tls13_server_encrypted_extensions_send,
|
||||
.recv = tls13_server_encrypted_extensions_recv,
|
||||
},
|
||||
[SERVER_CERTIFICATE] = {
|
||||
.handshake_type = TLS13_MT_CERTIFICATE,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.send_preserve_transcript_hash = 1,
|
||||
.send = tls13_server_certificate_send,
|
||||
.recv = tls13_server_certificate_recv,
|
||||
},
|
||||
[SERVER_CERTIFICATE_REQUEST] = {
|
||||
.handshake_type = TLS13_MT_CERTIFICATE_REQUEST,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.send = tls13_server_certificate_request_send,
|
||||
.recv = tls13_server_certificate_request_recv,
|
||||
},
|
||||
[SERVER_CERTIFICATE_VERIFY] = {
|
||||
.handshake_type = TLS13_MT_CERTIFICATE_VERIFY,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.recv_preserve_transcript_hash = 1,
|
||||
.send = tls13_server_certificate_verify_send,
|
||||
.recv = tls13_server_certificate_verify_recv,
|
||||
},
|
||||
[SERVER_FINISHED] = {
|
||||
.handshake_type = TLS13_MT_FINISHED,
|
||||
.sender = TLS13_HS_SERVER,
|
||||
.recv_preserve_transcript_hash = 1,
|
||||
.send_preserve_transcript_hash = 1,
|
||||
.send = tls13_server_finished_send,
|
||||
.sent = tls13_server_finished_sent,
|
||||
.recv = tls13_server_finished_recv,
|
||||
},
|
||||
[APPLICATION_DATA] = {
|
||||
.handshake_complete = 1,
|
||||
},
|
||||
};
|
||||
|
||||
const enum tls13_message_type handshakes[][TLS13_NUM_MESSAGE_TYPES] = {
|
||||
[INITIAL] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO_RETRY_REQUEST,
|
||||
CLIENT_HELLO_RETRY,
|
||||
SERVER_HELLO,
|
||||
},
|
||||
[NEGOTIATED] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO_RETRY_REQUEST,
|
||||
CLIENT_HELLO_RETRY,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE_REQUEST,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_CERTIFICATE,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITHOUT_HRR] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE_REQUEST,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_CERTIFICATE,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITHOUT_CR] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO_RETRY_REQUEST,
|
||||
CLIENT_HELLO_RETRY,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITHOUT_HRR | WITHOUT_CR] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITH_PSK] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO_RETRY_REQUEST,
|
||||
CLIENT_HELLO_RETRY,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITHOUT_HRR | WITH_PSK] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITH_CCV] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO_RETRY_REQUEST,
|
||||
CLIENT_HELLO_RETRY,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE_REQUEST,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_CERTIFICATE,
|
||||
CLIENT_CERTIFICATE_VERIFY,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
[NEGOTIATED | WITHOUT_HRR | WITH_CCV] = {
|
||||
CLIENT_HELLO,
|
||||
SERVER_HELLO,
|
||||
SERVER_ENCRYPTED_EXTENSIONS,
|
||||
SERVER_CERTIFICATE_REQUEST,
|
||||
SERVER_CERTIFICATE,
|
||||
SERVER_CERTIFICATE_VERIFY,
|
||||
SERVER_FINISHED,
|
||||
CLIENT_CERTIFICATE,
|
||||
CLIENT_CERTIFICATE_VERIFY,
|
||||
CLIENT_FINISHED,
|
||||
APPLICATION_DATA,
|
||||
},
|
||||
};
|
||||
|
||||
const size_t handshake_count = sizeof(handshakes) / sizeof(handshakes[0]);
|
||||
|
||||
#ifndef TLS13_DEBUG
|
||||
#define DEBUGF(...)
|
||||
#else
|
||||
#define DEBUGF(...) fprintf(stderr, __VA_ARGS__)
|
||||
|
||||
static const char *
|
||||
tls13_handshake_mode_name(uint8_t mode)
|
||||
{
|
||||
switch (mode) {
|
||||
case TLS13_HS_CLIENT:
|
||||
return "Client";
|
||||
case TLS13_HS_SERVER:
|
||||
return "Server";
|
||||
}
|
||||
return "Unknown";
|
||||
}
|
||||
|
||||
static const char *
|
||||
tls13_handshake_message_name(uint8_t msg_type)
|
||||
{
|
||||
switch (msg_type) {
|
||||
case TLS13_MT_CLIENT_HELLO:
|
||||
return "ClientHello";
|
||||
case TLS13_MT_SERVER_HELLO:
|
||||
return "ServerHello";
|
||||
case TLS13_MT_NEW_SESSION_TICKET:
|
||||
return "NewSessionTicket";
|
||||
case TLS13_MT_END_OF_EARLY_DATA:
|
||||
return "EndOfEarlyData";
|
||||
case TLS13_MT_ENCRYPTED_EXTENSIONS:
|
||||
return "EncryptedExtensions";
|
||||
case TLS13_MT_CERTIFICATE:
|
||||
return "Certificate";
|
||||
case TLS13_MT_CERTIFICATE_REQUEST:
|
||||
return "CertificateRequest";
|
||||
case TLS13_MT_CERTIFICATE_VERIFY:
|
||||
return "CertificateVerify";
|
||||
case TLS13_MT_FINISHED:
|
||||
return "Finished";
|
||||
case TLS13_MT_KEY_UPDATE:
|
||||
return "KeyUpdate";
|
||||
}
|
||||
return "Unknown";
|
||||
}
|
||||
#endif
|
||||
|
||||
static enum tls13_message_type
|
||||
tls13_handshake_active_state(struct tls13_ctx *ctx)
|
||||
{
|
||||
struct tls13_handshake_stage hs = ctx->handshake_stage;
|
||||
|
||||
if (hs.hs_type >= handshake_count)
|
||||
return INVALID;
|
||||
if (hs.message_number >= TLS13_NUM_MESSAGE_TYPES)
|
||||
return INVALID;
|
||||
|
||||
return handshakes[hs.hs_type][hs.message_number];
|
||||
}
|
||||
|
||||
static const struct tls13_handshake_action *
|
||||
tls13_handshake_active_action(struct tls13_ctx *ctx)
|
||||
{
|
||||
enum tls13_message_type mt = tls13_handshake_active_state(ctx);
|
||||
|
||||
if (mt == INVALID)
|
||||
return NULL;
|
||||
|
||||
return &state_machine[mt];
|
||||
}
|
||||
|
||||
static int
|
||||
tls13_handshake_advance_state_machine(struct tls13_ctx *ctx)
|
||||
{
|
||||
if (++ctx->handshake_stage.message_number >= TLS13_NUM_MESSAGE_TYPES)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
tls13_handshake_msg_record(struct tls13_ctx *ctx)
|
||||
{
|
||||
CBS cbs;
|
||||
|
||||
tls13_handshake_msg_data(ctx->hs_msg, &cbs);
|
||||
return tls1_transcript_record(ctx->ssl, CBS_data(&cbs), CBS_len(&cbs));
|
||||
}
|
||||
|
||||
int
|
||||
tls13_handshake_perform(struct tls13_ctx *ctx)
|
||||
{
|
||||
const struct tls13_handshake_action *action;
|
||||
int ret;
|
||||
|
||||
if (!ctx->handshake_started) {
|
||||
ctx->handshake_started = 1;
|
||||
if (ctx->info_cb != NULL)
|
||||
ctx->info_cb(ctx, TLS13_INFO_HANDSHAKE_STARTED, 1);
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
if ((action = tls13_handshake_active_action(ctx)) == NULL)
|
||||
return TLS13_IO_FAILURE;
|
||||
|
||||
if (action->handshake_complete) {
|
||||
ctx->handshake_completed = 1;
|
||||
tls13_record_layer_handshake_completed(ctx->rl);
|
||||
if (ctx->info_cb != NULL)
|
||||
ctx->info_cb(ctx,
|
||||
TLS13_INFO_HANDSHAKE_COMPLETED, 1);
|
||||
return TLS13_IO_SUCCESS;
|
||||
}
|
||||
|
||||
DEBUGF("%s %s %s\n", tls13_handshake_mode_name(ctx->mode),
|
||||
(action->sender == ctx->mode) ? "sending" : "receiving",
|
||||
tls13_handshake_message_name(action->handshake_type));
|
||||
|
||||
if (ctx->alert)
|
||||
return tls13_send_alert(ctx->rl, ctx->alert);
|
||||
|
||||
if (action->sender == ctx->mode)
|
||||
ret = tls13_handshake_send_action(ctx, action);
|
||||
else
|
||||
ret = tls13_handshake_recv_action(ctx, action);
|
||||
|
||||
if (ctx->alert)
|
||||
return tls13_send_alert(ctx->rl, ctx->alert);
|
||||
|
||||
if (ret <= 0) {
|
||||
DEBUGF("%s %s returned %d\n",
|
||||
tls13_handshake_mode_name(ctx->mode),
|
||||
(action->sender == ctx->mode) ? "send" : "recv",
|
||||
ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (!tls13_handshake_advance_state_machine(ctx))
|
||||
return TLS13_IO_FAILURE;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
tls13_handshake_send_action(struct tls13_ctx *ctx,
|
||||
const struct tls13_handshake_action *action)
|
||||
{
|
||||
ssize_t ret;
|
||||
CBB cbb;
|
||||
|
||||
if (ctx->send_dummy_ccs) {
|
||||
if ((ret = tls13_send_dummy_ccs(ctx->rl)) != TLS13_IO_SUCCESS)
|
||||
return ret;
|
||||
ctx->send_dummy_ccs = 0;
|
||||
if (ctx->send_dummy_ccs_after) {
|
||||
ctx->send_dummy_ccs_after = 0;
|
||||
return TLS13_IO_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
/* If we have no handshake message, we need to build one. */
|
||||
if (ctx->hs_msg == NULL) {
|
||||
if ((ctx->hs_msg = tls13_handshake_msg_new()) == NULL)
|
||||
return TLS13_IO_FAILURE;
|
||||
if (!tls13_handshake_msg_start(ctx->hs_msg, &cbb,
|
||||
action->handshake_type))
|
||||
return TLS13_IO_FAILURE;
|
||||
if (!action->send(ctx, &cbb))
|
||||
return TLS13_IO_FAILURE;
|
||||
if (!tls13_handshake_msg_finish(ctx->hs_msg))
|
||||
return TLS13_IO_FAILURE;
|
||||
}
|
||||
|
||||
if ((ret = tls13_handshake_msg_send(ctx->hs_msg, ctx->rl)) <= 0)
|
||||
return ret;
|
||||
|
||||
if (!tls13_handshake_msg_record(ctx))
|
||||
return TLS13_IO_FAILURE;
|
||||
|
||||
if (action->send_preserve_transcript_hash) {
|
||||
if (!tls1_transcript_hash_value(ctx->ssl,
|
||||
ctx->hs->transcript_hash, sizeof(ctx->hs->transcript_hash),
|
||||
&ctx->hs->transcript_hash_len))
|
||||
return TLS13_IO_FAILURE;
|
||||
}
|
||||
|
||||
if (ctx->handshake_message_sent_cb != NULL)
|
||||
ctx->handshake_message_sent_cb(ctx);
|
||||
|
||||
tls13_handshake_msg_free(ctx->hs_msg);
|
||||
ctx->hs_msg = NULL;
|
||||
|
||||
if (action->sent != NULL && !action->sent(ctx))
|
||||
return TLS13_IO_FAILURE;
|
||||
|
||||
if (ctx->send_dummy_ccs_after) {
|
||||
ctx->send_dummy_ccs = 1;
|
||||
if ((ret = tls13_send_dummy_ccs(ctx->rl)) != TLS13_IO_SUCCESS)
|
||||
return ret;
|
||||
ctx->send_dummy_ccs = 0;
|
||||
ctx->send_dummy_ccs_after = 0;
|
||||
}
|
||||
|
||||
return TLS13_IO_SUCCESS;
|
||||
}
|
||||
|
||||
static int
|
||||
tls13_handshake_recv_action(struct tls13_ctx *ctx,
|
||||
const struct tls13_handshake_action *action)
|
||||
{
|
||||
uint8_t msg_type;
|
||||
ssize_t ret;
|
||||
CBS cbs;
|
||||
|
||||
if (ctx->hs_msg == NULL) {
|
||||
if ((ctx->hs_msg = tls13_handshake_msg_new()) == NULL)
|
||||
return TLS13_IO_FAILURE;
|
||||
}
|
||||
|
||||
if ((ret = tls13_handshake_msg_recv(ctx->hs_msg, ctx->rl)) <= 0)
|
||||
return ret;
|
||||
|
||||
if (action->recv_preserve_transcript_hash) {
|
||||
if (!tls1_transcript_hash_value(ctx->ssl,
|
||||
ctx->hs->transcript_hash, sizeof(ctx->hs->transcript_hash),
|
||||
&ctx->hs->transcript_hash_len))
|
||||
return TLS13_IO_FAILURE;
|
||||
}
|
||||
|
||||
if (!tls13_handshake_msg_record(ctx))
|
||||
return TLS13_IO_FAILURE;
|
||||
|
||||
if (ctx->handshake_message_recv_cb != NULL)
|
||||
ctx->handshake_message_recv_cb(ctx);
|
||||
|
||||
/*
|
||||
* In TLSv1.3 there is no way to know if you're going to receive a
|
||||
* certificate request message or not, hence we have to special case it
|
||||
* here. The receive handler also knows how to deal with this situation.
|
||||
*/
|
||||
msg_type = tls13_handshake_msg_type(ctx->hs_msg);
|
||||
if (msg_type != action->handshake_type &&
|
||||
(msg_type != TLS13_MT_CERTIFICATE ||
|
||||
action->handshake_type != TLS13_MT_CERTIFICATE_REQUEST))
|
||||
return tls13_send_alert(ctx->rl, TLS13_ALERT_UNEXPECTED_MESSAGE);
|
||||
|
||||
if (!tls13_handshake_msg_content(ctx->hs_msg, &cbs))
|
||||
return TLS13_IO_FAILURE;
|
||||
|
||||
ret = TLS13_IO_FAILURE;
|
||||
if (action->recv(ctx, &cbs)) {
|
||||
if (CBS_len(&cbs) != 0) {
|
||||
tls13_set_errorx(ctx, TLS13_ERR_TRAILING_DATA, 0,
|
||||
"trailing data in handshake message", NULL);
|
||||
ctx->alert = TLS13_ALERT_DECODE_ERROR;
|
||||
} else {
|
||||
ret = TLS13_IO_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
tls13_handshake_msg_free(ctx->hs_msg);
|
||||
ctx->hs_msg = NULL;
|
||||
|
||||
if (ctx->ssl->method->internal->version < TLS1_3_VERSION)
|
||||
return TLS13_IO_USE_LEGACY;
|
||||
|
||||
return ret;
|
||||
}
|
||||
Reference in New Issue
Block a user