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45 lines
1.8 KiB
Diff
45 lines
1.8 KiB
Diff
From fb3616763bd5909e86cddd19f3569a26b4f93f49 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 21:25:21 -0700
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Subject: wlan: ensure permission for WLAN_FTM_PRIV_SET_CHAR_GET_NONE
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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. Hence,
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in driver, before processing WLAN_FTM_PRIV_SET_CHAR_GET_NONE,
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making sure user task has right permission to process the command.
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CRs-Fixed: 930837
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Git-commit: c4928591bbcd131f10f6ea337a4bd6ee3e141c2a
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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 ba9d0ff..31205f3 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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@@ -6193,6 +6193,13 @@ static int iw_setchar_getnone(struct net_device *dev, struct iw_request_info *in
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#endif /* WLAN_FEATURE_VOWIFI */
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struct iw_point s_priv_data;
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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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if ((WLAN_HDD_GET_CTX(pAdapter))->isLogpInProgress)
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{
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VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_FATAL,
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--
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cgit v1.1
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