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selinux: Report permissive mode in avc: denied messages.

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We cannot presently tell from an avc: denied message whether access was in
fact denied or was allowed due to global or per-domain permissive mode.
Add a permissive= field to the avc message to reflect this information.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Stephen Smalley
2014-04-29 11:29:04 -07:00
committed by Paul Moore
parent 6d32c85062
commit 626b9740fa
3 changed files with 11 additions and 5 deletions
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5
security/selinux/hooks.c
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@@ -2770,6 +2770,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na
static noinline int audit_inode_permission(struct inode *inode,
u32 perms, u32 audited, u32 denied,
int result,
unsigned flags)
{
struct common_audit_data ad;
@@ -2780,7 +2781,7 @@ static noinline int audit_inode_permission(struct inode *inode,
ad.u.inode = inode;
rc = slow_avc_audit(current_sid(), isec->sid, isec->sclass, perms,
audited, denied, &ad, flags);
audited, denied, result, &ad, flags);
if (rc)
return rc;
return 0;
@@ -2822,7 +2823,7 @@ static int selinux_inode_permission(struct inode *inode, int mask)
if (likely(!audited))
return rc;
rc2 = audit_inode_permission(inode, perms, audited, denied, flags);
rc2 = audit_inode_permission(inode, perms, audited, denied, rc, flags);
if (rc2)
return rc2;
return rc;