Commit 7b20ea25 authored by NeilBrown's avatar NeilBrown Committed by Al Viro

security/selinux: pass 'flags' arg to avc_audit() and avc_has_perm_flags()

This allows MAY_NOT_BLOCK to be passed, in RCU-walk mode, through
the new avc_has_perm_flags() to avc_audit() and thence the slow_avc_audit.
Signed-off-by: default avatarNeilBrown <[email protected]>
Signed-off-by: default avatarAl Viro <[email protected]>
parent 181548c0
......@@ -761,7 +761,23 @@ int avc_has_perm(u32 ssid, u32 tsid, u16 tclass,
rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd);
rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata, 0);
if (rc2)
return rc2;
return rc;
}
int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass,
u32 requested, struct common_audit_data *auditdata,
int flags)
{
struct av_decision avd;
int rc, rc2;
rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd);
rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc,
auditdata, flags);
if (rc2)
return rc2;
return rc;
......
......@@ -1564,7 +1564,7 @@ static int cred_has_capability(const struct cred *cred,
rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd);
if (audit == SECURITY_CAP_AUDIT) {
int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad);
int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0);
if (rc2)
return rc2;
}
......
......@@ -130,7 +130,8 @@ static inline int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd,
int result,
struct common_audit_data *a)
struct common_audit_data *a,
int flags)
{
u32 audited, denied;
audited = avc_audit_required(requested, avd, result, 0, &denied);
......@@ -138,7 +139,7 @@ static inline int avc_audit(u32 ssid, u32 tsid,
return 0;
return slow_avc_audit(ssid, tsid, tclass,
requested, audited, denied, result,
a, 0);
a, flags);
}
#define AVC_STRICT 1 /* Ignore permissive mode. */
......@@ -150,6 +151,10 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
int avc_has_perm(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata);
int avc_has_perm_flags(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata,
int flags);
u32 avc_policy_seqno(void);
......
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