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 #ifdef HITLS_TLS_PROTO_DTLS12
18 #include "securec.h"
19 #include "bsl_log_internal.h"
20 #include "bsl_log.h"
21 #include "tls_binlog_id.h"
22 #include "bsl_err_internal.h"
23 #include "bsl_sal.h"
24 #include "rec.h"
25 #include "hitls_error.h"
26 #include "tls.h"
27 #include "hs_ctx.h"
28 #include "hs_common.h"
29
DtlsClientRecvHelloVerifyRequestProcess(TLS_Ctx * ctx,HS_Msg * msg)30 int32_t DtlsClientRecvHelloVerifyRequestProcess(TLS_Ctx *ctx, HS_Msg *msg)
31 {
32 TLS_NegotiatedInfo *negotiatedInfo = &ctx->negotiatedInfo;
33 HelloVerifyRequestMsg *helloVerifyReq = &msg->body.helloVerifyReq;
34
35 /* release the old cookie first */
36 BSL_SAL_FREE(negotiatedInfo->cookie);
37
38 /* allow zero-length cookies to be received */
39 if (helloVerifyReq->cookieLen != 0) {
40 negotiatedInfo->cookie = (uint8_t *)BSL_SAL_Dump(helloVerifyReq->cookie, helloVerifyReq->cookieLen);
41 if (negotiatedInfo->cookie == NULL) {
42 BSL_ERR_PUSH_ERROR(HITLS_MEMALLOC_FAIL);
43 BSL_LOG_BINLOG_FIXLEN(BINLOG_ID16080, BSL_LOG_LEVEL_ERR, BSL_LOG_BINLOG_TYPE_RUN,
44 "cookie malloc fail when process hello verify request.", 0, 0, 0, 0);
45 return HITLS_MEMALLOC_FAIL;
46 }
47 }
48 negotiatedInfo->cookieSize = helloVerifyReq->cookieLen;
49 #ifdef HITLS_BSL_UIO_UDP
50 /* clear the retransmission queue */
51 REC_RetransmitListClean(ctx->recCtx);
52 #endif /* HITLS_BSL_UIO_UDP */
53 return HS_ChangeState(ctx, TRY_SEND_CLIENT_HELLO);
54 }
55 #endif /* HITLS_TLS_PROTO_DTLS12 */
56 #endif /* HITLS_TLS_HOST_CLIENT */