Smack: build when CONFIG_AUDIT not defined
This fixes builds where CONFIG_AUDIT is not defined and
CONFIG_SECURITY_SMACK=y.
This got introduced by the stack-usage reducation commit 48c62af68a40
("LSM: shrink the common_audit_data data union").
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 81c03a5..10056f2 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1939,18 +1939,19 @@
char *hostsp;
struct socket_smack *ssp = sk->sk_security;
struct smk_audit_info ad;
- struct lsm_network_audit net;
rcu_read_lock();
hostsp = smack_host_label(sap);
if (hostsp != NULL) {
- sk_lbl = SMACK_UNLABELED_SOCKET;
#ifdef CONFIG_AUDIT
+ struct lsm_network_audit net;
+
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
ad.a.u.net->family = sap->sin_family;
ad.a.u.net->dport = sap->sin_port;
ad.a.u.net->v4info.daddr = sap->sin_addr.s_addr;
#endif
+ sk_lbl = SMACK_UNLABELED_SOCKET;
rc = smk_access(ssp->smk_out, hostsp, MAY_WRITE, &ad);
} else {
sk_lbl = SMACK_CIPSO_SOCKET;
@@ -2809,11 +2810,14 @@
struct socket_smack *osp = other->sk_security;
struct socket_smack *nsp = newsk->sk_security;
struct smk_audit_info ad;
- struct lsm_network_audit net;
int rc = 0;
+#ifdef CONFIG_AUDIT
+ struct lsm_network_audit net;
+
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
smk_ad_setfield_u_net_sk(&ad, other);
+#endif
if (!capable(CAP_MAC_OVERRIDE))
rc = smk_access(ssp->smk_out, osp->smk_in, MAY_WRITE, &ad);
@@ -2842,11 +2846,14 @@
struct socket_smack *ssp = sock->sk->sk_security;
struct socket_smack *osp = other->sk->sk_security;
struct smk_audit_info ad;
- struct lsm_network_audit net;
int rc = 0;
+#ifdef CONFIG_AUDIT
+ struct lsm_network_audit net;
+
smk_ad_init_net(&ad, __func__, LSM_AUDIT_DATA_NET, &net);
smk_ad_setfield_u_net_sk(&ad, other->sk);
+#endif
if (!capable(CAP_MAC_OVERRIDE))
rc = smk_access(ssp->smk_out, osp->smk_in, MAY_WRITE, &ad);
@@ -2993,7 +3000,9 @@
char *csp;
int rc;
struct smk_audit_info ad;
+#ifdef CONFIG_AUDIT
struct lsm_network_audit net;
+#endif
if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6)
return 0;
@@ -3156,7 +3165,9 @@
char *sp;
int rc;
struct smk_audit_info ad;
+#ifdef CONFIG_AUDIT
struct lsm_network_audit net;
+#endif
/* handle mapped IPv4 packets arriving via IPv6 sockets */
if (family == PF_INET6 && skb->protocol == htons(ETH_P_IP))