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security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable().
Signed-off-by: Chia-chi Yeh <chiachi@android.com>
This commit is contained in:
committed by
Arve Hjønnevåg
parent
286fcd1c1e
commit
c30cd45aad
@@ -21,5 +21,6 @@
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#define AID_NET_BT 3002
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#define AID_INET 3003
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#define AID_NET_RAW 3004
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#define AID_NET_ADMIN 3005
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#endif
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@@ -28,6 +28,10 @@
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#include <linux/prctl.h>
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#include <linux/securebits.h>
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#ifdef CONFIG_ANDROID_PARANOID_NETWORK
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#include <linux/android_aid.h>
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#endif
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/*
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* If a non-root user executes a setuid-root binary in
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* !secure(SECURE_NOROOT) mode, then we raise capabilities.
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@@ -82,6 +86,12 @@ EXPORT_SYMBOL(cap_netlink_recv);
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int cap_capable(struct task_struct *tsk, const struct cred *cred, int cap,
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int audit)
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{
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#ifdef CONFIG_ANDROID_PARANOID_NETWORK
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if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
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return 0;
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if (cap == CAP_NET_ADMIN && in_egroup_p(AID_NET_ADMIN))
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return 0;
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#endif
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return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
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}
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