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https://github.com/Divested-Mobile/DivestOS-Build.git
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45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
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From 86fd66a451b2549f990b71013220e0a3f46b5a00 Mon Sep 17 00:00:00 2001
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From: Mukul Sharma <mukul@qti.qualcomm.com>
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Date: Thu, 17 Mar 2016 10:41:41 -0700
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Subject: wlan:Check priviledge permission
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for QCSAP_IOCTL_DISASSOC_STA
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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 QCSAP_IOCTL_DISASSOC_STA IOCTL,
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making sure user task has right permission to process the command.
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Bug: 27104184
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Change-Id: I7928789c0ce94a2b81495064496766b9e62d6ed8
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Signed-off-by: Yuan Lin <yualin@google.com>
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---
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drivers/staging/prima/CORE/HDD/src/wlan_hdd_hostapd.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/drivers/staging/prima/CORE/HDD/src/wlan_hdd_hostapd.c b/drivers/staging/prima/CORE/HDD/src/wlan_hdd_hostapd.c
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index 7598b99..005c193 100644
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--- a/drivers/staging/prima/CORE/HDD/src/wlan_hdd_hostapd.c
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+++ b/drivers/staging/prima/CORE/HDD/src/wlan_hdd_hostapd.c
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@@ -1338,7 +1338,14 @@ static iw_softap_disassoc_sta(struct net_device *dev,
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{
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hdd_adapter_t *pHostapdAdapter = (netdev_priv(dev));
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v_U8_t *peerMacAddr;
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-
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+
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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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ENTER();
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/* iwpriv tool or framework calls this ioctl with
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* data passed in extra (less than 16 octets);
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--
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cgit v1.1
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