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Merged
bigbrett merged 2 commits into from
Jul 22, 2026
Merged

Add data len check in wh_CommClient_RecvResponse #388

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a36d55e
Add data len check in wh_CommClient_RecvResponse
padelsbach Jul 22, 2026
f762a9e
Run clang-format on PR 388
padelsbach Jul 22, 2026
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2 changes: 1 addition & 1 deletion docs/src-ja/chapter04.md
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -145,7 +145,7 @@ rc = wh_CommClient_SendRequest(context, req_magic, req_type, &request_id,
uint16_t resp_magic, resp_type, resp_id, resp_size;
char response_data[20];
while((rc = wh_CommClient_RecvResponse(context,&resp_magic, &resp_type, &resp_id,
&resp_size, resp_data)) == WH_ERROR_NOTREADY) {
&resp_size, sizeof(response_data), response_data)) == WH_ERROR_NOTREADY) {
/* 他のタスクを実行 or yield */
}
```
Expand Down
79 changes: 42 additions & 37 deletions src/wh_client.c
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Original file line number Diff line number Diff line change
Expand Up @@ -253,22 +253,21 @@ int wh_Client_SendRequest(whClientContext* c,
return rc;
}

int wh_Client_RecvResponse(whClientContext *c,
uint16_t *out_group, uint16_t *out_action,
uint16_t *out_size, void* data)
int wh_Client_RecvResponse(whClientContext* c, uint16_t* out_group,
uint16_t* out_action, uint16_t* out_size,
uint16_t data_size, void* data)
{
int rc = 0;
uint16_t resp_kind = 0;
uint16_t resp_id = 0;
uint16_t resp_size = 0;

if (c == NULL) {
return WH_ERROR_BADARGS;
}

/* Comm layer performs magic and sequence validation */
rc = wh_CommClient_RecvResponse(c->comm, NULL, &resp_kind, &resp_id,
&resp_size, data);
out_size, data_size, data);
if (rc == 0) {
if ((resp_kind != c->last_req_kind) || (resp_id != c->last_req_id)) {
/* Response kind/id doesn't match outstanding request. */
Expand All @@ -281,9 +280,6 @@ int wh_Client_RecvResponse(whClientContext *c,
if (out_action != NULL) {
*out_action = WH_MESSAGE_ACTION(resp_kind);
}
if (out_size != NULL) {
*out_size = resp_size;
}
}
}
return rc;
Expand Down Expand Up @@ -327,9 +323,8 @@ int wh_Client_CommInitResponse(whClientContext* c,
return WH_ERROR_BADARGS;
}

rc = wh_Client_RecvResponse(c,
&resp_group, &resp_action,
&resp_size, &msg);
rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
sizeof(msg), &msg);
if (rc == 0) {
/* Validate response */
if ( (resp_group != WH_MESSAGE_GROUP_COMM) ||
Expand Down Expand Up @@ -407,9 +402,8 @@ int wh_Client_CommInfoResponse(whClientContext* c,
return WH_ERROR_BADARGS;
}

rc = wh_Client_RecvResponse(c,
&resp_group, &resp_action,
&resp_size, &msg);
rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
sizeof(msg), &msg);
if (rc == 0) {
/* Validate response */
if ( (resp_group != WH_MESSAGE_GROUP_COMM) ||
Expand Down Expand Up @@ -585,9 +579,8 @@ int wh_Client_CommCloseResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

rc = wh_Client_RecvResponse(c,
&resp_group, &resp_action,
&resp_size, NULL);
rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size, 0,
NULL);
if (rc == 0) {
/* Validate response */
if ( (resp_group != WH_MESSAGE_GROUP_COMM) ||
Expand Down Expand Up @@ -658,9 +651,8 @@ int wh_Client_EchoResponse(whClientContext* c, uint16_t *out_size, void* data)
return WH_ERROR_BADARGS;
}

rc = wh_Client_RecvResponse(c,
&resp_group, &resp_action,
&resp_size, msg);
rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
WOLFHSM_CFG_COMM_DATA_LEN, msg);
if (rc == 0) {
/* Validate response */
if ( (resp_group != WH_MESSAGE_GROUP_COMM) ||
Expand Down Expand Up @@ -721,8 +713,8 @@ int wh_Client_CustomCbResponse(whClientContext* c,
return WH_ERROR_BADARGS;
}

rc =
wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size, &resp);
rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
sizeof(resp), &resp);
if (rc != WH_ERROR_OK) {
return rc;
}
Expand Down Expand Up @@ -872,7 +864,8 @@ int wh_Client_KeyCacheResponse(whClientContext* c, uint16_t* keyId)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -959,7 +952,8 @@ int wh_Client_KeyCacheRandomResponse(whClientContext* c, uint16_t* outKeyId)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1027,7 +1021,8 @@ int wh_Client_KeyEvictResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)&resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size, sizeof(resp),
(uint8_t*)&resp);

if (ret == 0) {
if (resp.rc != 0) {
Expand Down Expand Up @@ -1090,7 +1085,8 @@ int wh_Client_KeyExportResponse(whClientContext* c, uint8_t* label,
}
packOut = (uint8_t*)(resp + 1);

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1175,7 +1171,8 @@ int wh_Client_KeyExportPublicResponse(whClientContext* c, uint8_t* label,
}
packOut = (uint8_t*)(resp + 1);

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1252,7 +1249,8 @@ int wh_Client_KeyCommitResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1308,7 +1306,8 @@ int wh_Client_KeyEraseResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == 0) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1364,7 +1363,8 @@ int wh_Client_KeyRevokeResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == 0) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1422,7 +1422,8 @@ int wh_Client_CounterInitResponse(whClientContext* c, uint32_t* counter)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1500,7 +1501,8 @@ int wh_Client_CounterIncrementResponse(whClientContext* c, uint32_t* counter)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1560,7 +1562,8 @@ int wh_Client_CounterReadResponse(whClientContext* c, uint32_t* counter)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1620,7 +1623,8 @@ int wh_Client_CounterDestroyResponse(whClientContext* c)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
if (ret == WH_ERROR_OK) {
if (resp->rc != 0) {
ret = resp->rc;
Expand Down Expand Up @@ -1715,7 +1719,8 @@ int wh_Client_KeyCacheDmaResponse(whClientContext* c, uint16_t* keyId)
return WH_ERROR_BADARGS;
}

ret = wh_Client_RecvResponse(c, &group, &action, &size, (uint8_t*)resp);
ret = wh_Client_RecvResponse(c, &group, &action, &size,
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
/* NOTREADY: response not in yet - return without POST so the pending
* request keeps its mapping; POST runs once the response arrives. */
if (ret == WH_ERROR_NOTREADY) {
Expand Down Expand Up @@ -1826,7 +1831,7 @@ int wh_Client_KeyExportDmaResponse(whClientContext* c, uint8_t* label,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
(uint8_t*)resp);
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
/* NOTREADY: response not in yet - return without POST so the pending
* request keeps its mapping; POST runs once the response arrives. */
if (rc == WH_ERROR_NOTREADY) {
Expand Down Expand Up @@ -1951,7 +1956,7 @@ int wh_Client_KeyExportPublicDmaResponse(whClientContext* c, uint8_t* label,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
(uint8_t*)resp);
WOLFHSM_CFG_COMM_DATA_LEN, (uint8_t*)resp);
/* NOTREADY: response not in yet - return without POST so the pending
* request keeps its mapping; POST runs once the response arrives. */
if (rc == WH_ERROR_NOTREADY) {
Expand Down
14 changes: 7 additions & 7 deletions src/wh_client_auth.c
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ int wh_Client_AuthLoginResponse(whClientContext* c, int32_t* out_rc,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -219,7 +219,7 @@ int wh_Client_AuthLogoutResponse(whClientContext* c, int32_t* out_rc)
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -338,7 +338,7 @@ int wh_Client_AuthUserAddResponse(whClientContext* c, int32_t* out_rc,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -413,7 +413,7 @@ int wh_Client_AuthUserDeleteResponse(whClientContext* c, int32_t* out_rc)
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -489,7 +489,7 @@ int wh_Client_AuthUserGetResponse(whClientContext* c, int32_t* out_rc,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -576,7 +576,7 @@ int wh_Client_AuthUserSetPermissionsResponse(whClientContext* c,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down Expand Up @@ -702,7 +702,7 @@ int wh_Client_AuthUserSetCredentialsResponse(whClientContext* c,
}

rc = wh_Client_RecvResponse(c, &resp_group, &resp_action, &resp_size,
buffer);
sizeof(buffer), buffer);
if (rc == WH_ERROR_OK) {
/* Validate response */
if ((resp_group != WH_MESSAGE_GROUP_AUTH) ||
Expand Down
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