DivestOS/Patches/Linux_CVEs/CVE-2016-6680/qcacld-2.0/0002.patch

481 lines
16 KiB
Diff
Raw Normal View History

From 2f2fa073b95d4700de88c0f7558b4a18c13ac552 Mon Sep 17 00:00:00 2001
From: SaidiReddy Yenuga <c_saidir@qti.qualcomm.com>
Date: Tue, 9 Aug 2016 16:10:39 +0530
Subject: qcacld-2.0: Remove the support for iw_set_priv ioctl
iw_set_priv is obsolete, now hdd_ioctl handles the
driver commands.
Remove the code related to iw_set_priv ioctl
CRs-Fixed: 1048052
Change-Id: Ic64a45aab2d23669d6d1219f6d2d8a465d34ac10
---
CORE/HDD/src/wlan_hdd_wext.c | 436 +------------------------------------------
1 file changed, 1 insertion(+), 435 deletions(-)
diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index e8d0578..90431ea 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -4023,69 +4023,6 @@ static int iw_get_linkspeed_priv(struct net_device *dev,
return ret;
}
-/*
- * Support for the RSSI & RSSI-APPROX private commands
- * Per the WiFi framework the response must be of the form
- * "<ssid> rssi <xx>"
- * unless we are not associated, in which case the response is
- * "OK"
- */
-static int iw_get_rssi(struct net_device *dev,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
- char *cmd = extra;
- int len = wrqu->data.length;
- v_S7_t s7Rssi = 0;
- hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
- int ssidlen = pHddStaCtx->conn_info.SSID.SSID.length;
- VOS_STATUS vosStatus;
- int rc;
-
- if ((eConnectionState_Associated != pHddStaCtx->conn_info.connState) ||
- (0 == ssidlen) || (ssidlen >= len))
- {
- /* we are not connected or our SSID is too long
- so we cannot report an rssi */
- rc = scnprintf(cmd, len, "OK");
- }
- else
- {
- /* we are connected with a valid SSID
- so we can write the SSID into the return buffer
- (note that it is not NUL-terminated) */
- memcpy(cmd, pHddStaCtx->conn_info.SSID.SSID.ssId, ssidlen );
-
- vosStatus = wlan_hdd_get_rssi(pAdapter, &s7Rssi);
-
- if (VOS_STATUS_SUCCESS == vosStatus)
- {
- /* append the rssi to the ssid in the format required by
- the WiFI Framework */
- rc = scnprintf(&cmd[ssidlen], len - ssidlen, " rssi %d", s7Rssi);
- rc += ssidlen;
- }
- else
- {
- rc = -1;
- }
- }
-
- /* verify that we wrote a valid response */
- if ((rc < 0) || (rc >= len))
- {
- // encoding or length error?
- hddLog(VOS_TRACE_LEVEL_ERROR,
- "%s: Unable to encode RSSI, got [%s]",
- __func__, cmd);
- return -EIO;
- }
-
- /* a value is being successfully returned */
- return rc;
-}
-
VOS_STATUS wlan_hdd_enter_bmps(hdd_adapter_t *pAdapter, int mode)
{
struct statsContext context;
@@ -4323,377 +4260,6 @@ void* wlan_hdd_change_country_code_callback(void *pAdapter)
}
/**
- * __iw_set_priv() - SIOCSIWPRIV ioctl handler
- * @dev: device upon which the ioctl was received
- * @info: ioctl request information
- * @wrqu: ioctl request data
- * @extra: ioctl extra data
- *
- * Return: 0 on success, non-zero on error
- */
-static int __iw_set_priv(struct net_device *dev, struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
- char *cmd = NULL;
- int cmd_len = wrqu->data.length;
- int ret = 0;
- int rc = 0;
- VOS_STATUS vos_status = VOS_STATUS_SUCCESS;
-
- hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
-
- ENTER();
- cmd = mem_alloc_copy_from_user_helper(wrqu->data.pointer,
- wrqu->data.length);
- if (NULL == cmd)
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "mem_alloc_copy_from_user_helper fail");
- return -ENOMEM;
- }
-
- if (ioctl_debug)
- {
- pr_info("%s: req [%s] len [%d]\n", __func__, cmd, cmd_len);
- }
-
- hddLog(VOS_TRACE_LEVEL_INFO_MED,
- "%s: ***Received %s cmd from Wi-Fi GUI***", __func__, cmd);
-
- if (pHddCtx->isLogpInProgress) {
- if (ioctl_debug)
- {
- pr_info("%s: RESTART in progress\n", __func__);
- }
-
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
- "%s:LOGP in Progress. Ignore!!!",__func__);
- vos_mem_free(cmd);
- return -EBUSY;
- }
-
- if (strncmp(cmd, "CSCAN", 5) == 0 )
- {
- if (eHAL_STATUS_SUCCESS != iw_set_cscan(dev, info, wrqu, cmd)) {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "%s: Error in iw_set_scan!", __func__);
- rc = -EINVAL;
- }
- }
- else if( strcasecmp(cmd, "start") == 0 ) {
-
- hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "Start command");
- /*Exit from Deep sleep or standby if we get the driver START cmd from android GUI*/
-
- vos_status = wlan_hdd_exit_lowpower(pHddCtx, pAdapter);
- if (vos_status == VOS_STATUS_SUCCESS)
- {
- union iwreq_data wrqu;
- char buf[10];
-
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = strlcpy(buf, "START", sizeof(buf));
- wireless_send_event(pAdapter->dev, IWEVCUSTOM, &wrqu, buf);
- }
- else
- {
- hddLog(VOS_TRACE_LEVEL_ERROR, "%s: START CMD Status %d", __func__, vos_status);
- rc = -EIO;
- }
- goto done;
- }
- else if( strcasecmp(cmd, "stop") == 0 )
- {
- union iwreq_data wrqu;
- char buf[10];
-
- hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "Stop command");
-
- wlan_hdd_enter_lowpower(pHddCtx);
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = strlcpy(buf, "STOP", sizeof(buf));
- wireless_send_event(pAdapter->dev, IWEVCUSTOM, &wrqu, buf);
- goto done;
- }
- else if (strcasecmp(cmd, "macaddr") == 0)
- {
- ret = snprintf(cmd, cmd_len, "Macaddr = " MAC_ADDRESS_STR,
- MAC_ADDR_ARRAY(pAdapter->macAddressCurrent.bytes));
- }
- else if (strcasecmp(cmd, "scan-active") == 0)
- {
- hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
- hddLog(LOG1, FL("making default scan to active"));
- pHddCtx->ioctl_scan_mode = eSIR_ACTIVE_SCAN;
- ret = snprintf(cmd, cmd_len, "OK");
- }
- else if (strcasecmp(cmd, "scan-passive") == 0)
- {
- hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
- hddLog(LOG1, FL("making default scan to active"));
- pHddCtx->ioctl_scan_mode = eSIR_PASSIVE_SCAN;
- ret = snprintf(cmd, cmd_len, "OK");
- }
- else if( strcasecmp(cmd, "scan-mode") == 0 )
- {
- ret = snprintf(cmd, cmd_len, "ScanMode = %u", pAdapter->scan_info.scan_mode);
- }
- else if( strcasecmp(cmd, "linkspeed") == 0 )
- {
- ret = iw_get_linkspeed(dev, info, wrqu, cmd);
- }
- else if( strncasecmp(cmd, "COUNTRY", 7) == 0 ) {
- char *country_code;
- unsigned long rc;
- eHalStatus eHal_status;
-
- country_code = cmd + 8;
-
- init_completion(&pAdapter->change_country_code);
-
- eHal_status = sme_ChangeCountryCode(pHddCtx->hHal,
- (void *)(tSmeChangeCountryCallback)wlan_hdd_change_country_code_callback,
- country_code,
- pAdapter,
- pHddCtx->pvosContext,
- eSIR_TRUE,
- eSIR_TRUE);
-
- /* Wait for completion */
- rc = wait_for_completion_timeout(&pAdapter->change_country_code,
- msecs_to_jiffies(WLAN_WAIT_TIME_STATS));
-
- if (!rc) {
- hddLog(VOS_TRACE_LEVEL_ERROR,
- FL("SME timedout while setting country code"));
- }
-
- if (eHAL_STATUS_SUCCESS != eHal_status)
- {
- VOS_TRACE( VOS_MODULE_ID_VOSS, VOS_TRACE_LEVEL_ERROR,
- "%s: SME Change Country code fail", __func__);
- vos_mem_free(cmd);
- return -EIO;
- }
- }
- else if( strncasecmp(cmd, "rssi", 4) == 0 )
- {
- ret = iw_get_rssi(dev, info, wrqu, cmd);
- }
- else if( strncasecmp(cmd, "powermode", 9) == 0 ) {
- int mode;
- char *ptr;
-
- if (9 < cmd_len)
- {
- ptr = (char*)(cmd + 9);
-
- }else{
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "CMD LENGTH %d is not correct",cmd_len);
- vos_mem_free(cmd);
- return -EINVAL;
- }
-
- if (1 != sscanf(ptr,"%d",&mode))
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "powermode input %s is not correct",ptr);
- vos_mem_free(cmd);
- return -EIO;
- }
-
- if(!pHddCtx->cfg_ini->enablePowersaveOffload)
- wlan_hdd_enter_bmps(pAdapter, mode);
- else
- wlan_hdd_set_powersave(pAdapter, mode);
- }
- else if (strncasecmp(cmd, "getpower", 8) == 0 ) {
- v_U32_t pmc_state;
- v_U16_t value;
-
- pmc_state = pmcGetPmcState(WLAN_HDD_GET_HAL_CTX(pAdapter));
- if(pmc_state == BMPS) {
- value = DRIVER_POWER_MODE_AUTO;
- }
- else {
- value = DRIVER_POWER_MODE_ACTIVE;
- }
- ret = snprintf(cmd, cmd_len, "powermode = %u", value);
- }
- else if( strncasecmp(cmd, "btcoexmode", 10) == 0 ) {
- hddLog( VOS_TRACE_LEVEL_INFO, "btcoexmode");
- /*TODO: set the btcoexmode*/
- }
- else if( strcasecmp(cmd, "btcoexstat") == 0 ) {
-
- hddLog(VOS_TRACE_LEVEL_INFO, "BtCoex Status");
- /*TODO: Return the btcoex status*/
- }
- else if( strcasecmp(cmd, "rxfilter-start") == 0 ) {
-
- hddLog(VOS_TRACE_LEVEL_INFO, "Rx Data Filter Start command");
-
- /*TODO: Enable Rx data Filter*/
- }
- else if( strcasecmp(cmd, "rxfilter-stop") == 0 ) {
-
- hddLog(VOS_TRACE_LEVEL_INFO, "Rx Data Filter Stop command");
-
- /*TODO: Disable Rx data Filter*/
- }
- else if( strcasecmp(cmd, "rxfilter-statistics") == 0 ) {
-
- hddLog( VOS_TRACE_LEVEL_INFO, "Rx Data Filter Statistics command");
- /*TODO: rxfilter-statistics*/
- }
- else if( strncasecmp(cmd, "rxfilter-add", 12) == 0 ) {
-
- hddLog( VOS_TRACE_LEVEL_INFO, "rxfilter-add");
- /*TODO: rxfilter-add*/
- }
- else if( strncasecmp(cmd, "rxfilter-remove",15) == 0 ) {
-
- hddLog( VOS_TRACE_LEVEL_INFO, "rxfilter-remove");
- /*TODO: rxfilter-remove*/
- }
-#ifdef FEATURE_WLAN_SCAN_PNO
- else if( strncasecmp(cmd, "pnosetup", 8) == 0 ) {
- hddLog( VOS_TRACE_LEVEL_INFO, "pnosetup");
- /*TODO: support pnosetup*/
- }
- else if( strncasecmp(cmd, "pnoforce", 8) == 0 ) {
- hddLog( VOS_TRACE_LEVEL_INFO, "pnoforce");
- /*TODO: support pnoforce*/
- }
- else if( strncasecmp(cmd, "pno",3) == 0 ) {
-
- hddLog( VOS_TRACE_LEVEL_INFO, "pno");
- ret = iw_set_pno(dev, info, wrqu, cmd, 3);
- vos_mem_free(cmd);
- return ret;
- }
-#endif /*FEATURE_WLAN_SCAN_PNO*/
- else if( strncasecmp(cmd, "powerparams",11) == 0 ) {
- hddLog( VOS_TRACE_LEVEL_INFO, "powerparams");
- vos_status = iw_set_power_params(dev, info, wrqu, cmd, 11);
- vos_mem_free(cmd);
- return (vos_status == VOS_STATUS_SUCCESS) ? 0 : -EINVAL;
- }
- else if( 0 == strncasecmp(cmd, "CONFIG-TX-TRACKING", 18) ) {
- tSirTxPerTrackingParam tTxPerTrackingParam;
- char *ptr;
-
- if (18 < cmd_len)
- {
- ptr = (char*)(cmd + 18);
- }else{
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "CMD LENGTH %d is not correct",cmd_len);
- vos_mem_free(cmd);
- return -EINVAL;
- }
-
- if (4 != sscanf(ptr,"%hhu %hhu %hhu %u",
- &(tTxPerTrackingParam.ucTxPerTrackingEnable),
- &(tTxPerTrackingParam.ucTxPerTrackingPeriod),
- &(tTxPerTrackingParam.ucTxPerTrackingRatio),
- &(tTxPerTrackingParam.uTxPerTrackingWatermark)))
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
- "CONFIG-TX-TRACKING %s input is not correct",ptr);
- vos_mem_free(cmd);
- return -EIO;
- }
-
- // parameters checking
- // period has to be larger than 0
- if (0 == tTxPerTrackingParam.ucTxPerTrackingPeriod)
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, "Period input is not correct");
- vos_mem_free(cmd);
- return -EIO;
- }
-
- // use default value 5 is the input is not reasonable. in unit of 10%
- if ((tTxPerTrackingParam.ucTxPerTrackingRatio > TX_PER_TRACKING_MAX_RATIO) || (0 == tTxPerTrackingParam.ucTxPerTrackingRatio))
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, "Ratio input is not good. use default 5");
- tTxPerTrackingParam.ucTxPerTrackingRatio = TX_PER_TRACKING_DEFAULT_RATIO;
- }
-
- // default is 5
- if (0 == tTxPerTrackingParam.uTxPerTrackingWatermark)
- {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, "Tx Packet number input is not good. use default 5");
- tTxPerTrackingParam.uTxPerTrackingWatermark = TX_PER_TRACKING_DEFAULT_WATERMARK;
- }
-
- if (eHAL_STATUS_SUCCESS !=
- sme_SetTxPerTracking(pHddCtx->hHal,
- hdd_tx_per_hit_cb,
- (void*)pAdapter, &tTxPerTrackingParam)) {
- VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, "Set Tx PER Tracking Failed!");
- rc = -EIO;
- }
- }
- else {
- hddLog( VOS_TRACE_LEVEL_WARN, "%s: Unsupported GUI command %s",
- __func__, cmd);
- }
-done:
- /* many of the commands write information back into the command
- string using snprintf(). check the return value here in one
- place */
- if ((ret < 0) || (ret >= cmd_len))
- {
- /* there was an encoding error or overflow */
- rc = -EINVAL;
- }
- else if (ret > 0)
- {
- if (copy_to_user(wrqu->data.pointer, cmd, ret))
- {
- hddLog(VOS_TRACE_LEVEL_ERROR,
- "%s: failed to copy data to user buffer", __func__);
- vos_mem_free(cmd);
- return -EFAULT;
- }
- wrqu->data.length = ret;
- }
-
- if (ioctl_debug)
- {
- pr_info("%s: rsp [%s] len [%d] status %d\n",
- __func__, cmd, wrqu->data.length, rc);
- }
- vos_mem_free(cmd);
- return rc;
-}
-
-/**
- * iw_set_priv() - SSR wrapper for __iw_set_priv()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @wrqu: pointer to iwreq_data
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_set_priv(struct net_device *dev, struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
-{
- int ret;
-
- vos_ssr_protect(__func__);
- ret = __iw_set_priv(dev, info, wrqu, extra);
- vos_ssr_unprotect(__func__);
-
- return ret;
-}
-
-/**
* __iw_set_nick() - set nick
* @dev: pointer to net_device
* @info: pointer to iw_request_info
@@ -11418,7 +10984,7 @@ static const iw_handler we_handler[] =
(iw_handler) NULL, /* SIOCGIWSENS */
(iw_handler) NULL, /* SIOCSIWRANGE */
(iw_handler) iw_get_range, /* SIOCGIWRANGE */
- (iw_handler) iw_set_priv, /* SIOCSIWPRIV */
+ (iw_handler) NULL, /* SIOCSIWPRIV */
(iw_handler) NULL, /* SIOCGIWPRIV */
(iw_handler) NULL, /* SIOCSIWSTATS */
(iw_handler) NULL, /* SIOCGIWSTATS */
--
cgit v1.1