1 /*
2 * This file is part of the openHiTLS project.
3 *
4 * openHiTLS is licensed under the Mulan PSL v2.
5 * You can use this software according to the terms and conditions of the Mulan PSL v2.
6 * You may obtain a copy of Mulan PSL v2 at:
7 *
8 * http://license.coscl.org.cn/MulanPSL2
9 *
10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
13 * See the Mulan PSL v2 for more details.
14 */
15 #include "hitls_build.h"
16 #ifdef HITLS_TLS_HOST_CLIENT
17 #include "securec.h"
18 #include "tls_binlog_id.h"
19 #include "bsl_log_internal.h"
20 #include "bsl_log.h"
21 #include "bsl_sal.h"
22 #include "bsl_err_internal.h"
23 #include "bsl_bytes.h"
24 #include "hitls_error.h"
25 #include "hs_msg.h"
26 #include "parse_common.h"
27 #include "parse_extensions.h"
28 #include "parse_msg.h"
29
ParseHelloVerifyRequest(TLS_Ctx * ctx,const uint8_t * buf,uint32_t bufLen,HS_Msg * hsMsg)30 int32_t ParseHelloVerifyRequest(TLS_Ctx *ctx, const uint8_t *buf, uint32_t bufLen, HS_Msg *hsMsg)
31 {
32 int32_t ret = HITLS_SUCCESS;
33 HelloVerifyRequestMsg *msg = &hsMsg->body.helloVerifyReq;
34 uint32_t bufOffset = 0;
35
36 ParsePacket pkt = {.ctx = ctx, .buf = buf, .bufLen = bufLen, .bufOffset = &bufOffset};
37 ret = ParseVersion(&pkt, &msg->version);
38 if (ret != HITLS_SUCCESS) {
39 return ret;
40 }
41 ret = ParseCookie(&pkt, &msg->cookieLen, &msg->cookie);
42 if (ret != HITLS_SUCCESS) {
43 CleanHelloVerifyRequest(msg);
44 return ret;
45 }
46
47 // The cookie content is the last field of the helloVerifyRequest message. No other data should follow.
48 if (bufLen != bufOffset) {
49 return ParseErrorProcess(ctx, HITLS_PARSE_INVALID_MSG_LEN, BINLOG_ID17335,
50 BINGLOG_STR("hello verify request packet length error."), ALERT_DECODE_ERROR);
51 }
52
53 return HITLS_SUCCESS;
54 }
55
CleanHelloVerifyRequest(HelloVerifyRequestMsg * msg)56 void CleanHelloVerifyRequest(HelloVerifyRequestMsg *msg)
57 {
58 if (msg == NULL) {
59 return;
60 }
61
62 BSL_SAL_FREE(msg->cookie);
63 return;
64 }
65 #endif /* HITLS_TLS_HOST_CLIENT */