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45 lines
1.8 KiB
Diff
45 lines
1.8 KiB
Diff
From ca7c085fb70861a55d9d3a46de012a3e0998ca61 Mon Sep 17 00:00:00 2001
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From: Amarnath Hullur Subramanyam <amarnath@codeaurora.org>
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Date: Wed, 28 Oct 2015 21:27:11 -0700
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Subject: wlan:Check priviledge permission for SET_CHANNEL_RANGE
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prima to qcacld-2.0 propagation.
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Kernel assumes all SET IOCTL commands are assigned with even
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numbers. But in our WLAN driver, some SET IOCTLS are assigned with
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odd numbers. This leads kernel fail to check, for some SET IOCTLs,
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whether user has the right permission to do SET operation.
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Hence, in driver, before processing SET_CHANNEL_RANGE IOCTL,
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making sure user task has right permission to process the command.
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CRs-Fixed: 930555
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Git-commit: bcb1abfd803c6bb98bad35228d7c4f85b754836d
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Git-repo: https://www.codeaurora.org/cgit/quic/la/platform/vendor/qcom-opensource/wlan/prima/
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Bug: 25344453
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Signed-off-by: Amarnath Hullur Subramanyam <amarnath@codeaurora.org>
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---
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drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_wext.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_wext.c b/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_wext.c
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index 31205f3..1b8346d0 100644
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--- a/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_wext.c
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+++ b/drivers/staging/qcacld-2.0/CORE/HDD/src/wlan_hdd_wext.c
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@@ -3336,6 +3336,13 @@ static int iw_softap_set_channel_range( struct net_device *dev,
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tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pHostapdAdapter);
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hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pHostapdAdapter);
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+ if (!capable(CAP_NET_ADMIN))
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+ {
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+ VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR,
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+ FL("permission check failed"));
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+ return -EPERM;
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+ }
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+
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status = WLANSAP_SetChannelRange(hHal, startChannel, endChannel, band);
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if (VOS_STATUS_SUCCESS != status)
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--
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cgit v1.1
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