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qcacld-3.0: Validate TWT setup cmd/request type value

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Validate TWT setup request type value obtained from
user space, before sending down to fw

Change-Id: I820f4912bafb84b76583ac9ed1cd88f59ea9fb3d
CRs-Fixed: 2770628
This commit is contained in:
Visweswara Tanuku
2020-09-07 16:19:54 +05:30
committed by snandini
parent 95ec1289e5
commit c9547d2105
3 changed files with 37 additions and 1 deletions
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16
core/hdd/inc/wlan_hdd_twt.h
View File

@@ -155,6 +155,16 @@ void wlan_hdd_twt_deinit(struct hdd_context *hdd_ctx);
QCA_WLAN_VENDOR_ATTR_CONFIG_TWT_MAX) \
},
/**
* hdd_twt_setup_req_type_to_cmd() - Converts twt setup request type to twt cmd
* @req_type: twt setup request type
* @twt_cmd: pointer to store twt command
*
* Return: QDF_STATUS_SUCCESS on success, else other qdf error values
*/
QDF_STATUS
hdd_twt_setup_req_type_to_cmd(u8 req_type, enum WMI_HOST_TWT_COMMAND *twt_cmd);
#else
static inline void hdd_update_tgt_twt_cap(struct hdd_context *hdd_ctx,
struct wma_tgt_cfg *cfg)
@@ -178,6 +188,12 @@ static inline void wlan_hdd_twt_deinit(struct hdd_context *hdd_ctx)
{
}
enum WMI_HOST_TWT_COMMAND;
static inline QDF_STATUS
hdd_twt_setup_req_type_to_cmd(u8 req_type, enum WMI_HOST_TWT_COMMAND *twt_cmd)
{
return QDF_STATUS_E_INVAL;
}
#define FEATURE_VENDOR_SUBCMD_WIFI_CONFIG_TWT
#endif

6
core/hdd/src/wlan_hdd_cfg80211.c
View File

@@ -9430,6 +9430,7 @@ int hdd_twt_get_add_dialog_values(struct nlattr **tb,
{
uint32_t wake_intvl_exp, result;
int cmd_id;
QDF_STATUS qdf_status;
cmd_id = QCA_WLAN_VENDOR_ATTR_TWT_SETUP_FLOW_ID;
if (tb[cmd_id]) {
@@ -9460,7 +9461,10 @@ int hdd_twt_get_add_dialog_values(struct nlattr **tb,
hdd_err_rl("TWT_SETUP_REQ_TYPE is must");
return -EINVAL;
}
params->twt_cmd = nla_get_u8(tb[cmd_id]);
qdf_status = hdd_twt_setup_req_type_to_cmd(nla_get_u8(tb[cmd_id]),
&params->twt_cmd);
if (QDF_IS_STATUS_ERROR(qdf_status))
return qdf_status_to_os_return(qdf_status);
cmd_id = QCA_WLAN_VENDOR_ATTR_TWT_SETUP_TRIGGER;
params->flag_trigger = nla_get_flag(tb[cmd_id]);

16
core/hdd/src/wlan_hdd_twt.c
View File

@@ -115,6 +115,22 @@ wlan_hdd_wifi_twt_config_policy[
.type = NLA_NESTED},
};
QDF_STATUS
hdd_twt_setup_req_type_to_cmd(u8 req_type, enum WMI_HOST_TWT_COMMAND *twt_cmd)
{
if (req_type == QCA_WLAN_VENDOR_TWT_SETUP_REQUEST) {
*twt_cmd = WMI_HOST_TWT_COMMAND_REQUEST_TWT;
} else if (req_type == QCA_WLAN_VENDOR_TWT_SETUP_SUGGEST) {
*twt_cmd = WMI_HOST_TWT_COMMAND_SUGGEST_TWT;
} else if (req_type == QCA_WLAN_VENDOR_TWT_SETUP_DEMAND) {
*twt_cmd = WMI_HOST_TWT_COMMAND_DEMAND_TWT;
} else {
hdd_err_rl("Invalid TWT_SETUP_REQ_TYPE %d", req_type);
return QDF_STATUS_E_INVAL;
}
return QDF_STATUS_SUCCESS;
}
/**
* hdd_twt_get_params_resp_len() - Calculates the length
* of twt get_params nl response