]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - net/xfrm/xfrm_policy.c
[IPSEC]: Move RO-specific output code into xfrm6_mode_ro.c
[linux-2.6-omap-h63xx.git] / net / xfrm / xfrm_policy.c
index c3a4b0a18687e83f0502697ddf59ba66a3d04593..76f172f13f90536a729ef420cfc0ecba53301de5 100644 (file)
@@ -25,8 +25,6 @@
 #include <linux/cache.h>
 #include <net/xfrm.h>
 #include <net/ip.h>
-#include <linux/audit.h>
-#include <linux/cache.h>
 
 #include "xfrm_hash.h"
 
@@ -851,10 +849,9 @@ xfrm_policy_flush_secctx_check(u8 type, struct xfrm_audit *audit_info)
                                continue;
                        err = security_xfrm_policy_delete(pol);
                        if (err) {
-                               xfrm_audit_log(audit_info->loginuid,
-                                              audit_info->secid,
-                                              AUDIT_MAC_IPSEC_DELSPD, 0,
-                                              pol, NULL);
+                               xfrm_audit_policy_delete(pol, 0,
+                                                        audit_info->loginuid,
+                                                        audit_info->secid);
                                return err;
                        }
                }
@@ -866,10 +863,9 @@ xfrm_policy_flush_secctx_check(u8 type, struct xfrm_audit *audit_info)
                                        continue;
                                err = security_xfrm_policy_delete(pol);
                                if (err) {
-                                       xfrm_audit_log(audit_info->loginuid,
-                                                      audit_info->secid,
-                                                      AUDIT_MAC_IPSEC_DELSPD,
-                                                      0, pol, NULL);
+                                       xfrm_audit_policy_delete(pol, 0,
+                                                       audit_info->loginuid,
+                                                       audit_info->secid);
                                        return err;
                                }
                        }
@@ -910,8 +906,8 @@ int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info)
                        hlist_del(&pol->byidx);
                        write_unlock_bh(&xfrm_policy_lock);
 
-                       xfrm_audit_log(audit_info->loginuid, audit_info->secid,
-                                      AUDIT_MAC_IPSEC_DELSPD, 1, pol, NULL);
+                       xfrm_audit_policy_delete(pol, 1, audit_info->loginuid,
+                                                audit_info->secid);
 
                        xfrm_policy_kill(pol);
                        killed++;
@@ -931,11 +927,9 @@ int xfrm_policy_flush(u8 type, struct xfrm_audit *audit_info)
                                hlist_del(&pol->byidx);
                                write_unlock_bh(&xfrm_policy_lock);
 
-                               xfrm_audit_log(audit_info->loginuid,
-                                              audit_info->secid,
-                                              AUDIT_MAC_IPSEC_DELSPD, 1,
-                                              pol, NULL);
-
+                               xfrm_audit_policy_delete(pol, 1,
+                                                        audit_info->loginuid,
+                                                        audit_info->secid);
                                xfrm_policy_kill(pol);
                                killed++;
 
@@ -1299,7 +1293,8 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
                xfrm_address_t *local  = saddr;
                struct xfrm_tmpl *tmpl = &policy->xfrm_vec[i];
 
-               if (tmpl->mode == XFRM_MODE_TUNNEL) {
+               if (tmpl->mode == XFRM_MODE_TUNNEL ||
+                   tmpl->mode == XFRM_MODE_BEET) {
                        remote = &tmpl->id.daddr;
                        local = &tmpl->saddr;
                        family = tmpl->encap_family;
@@ -1477,7 +1472,7 @@ restart:
        pol_dead = 0;
        xfrm_nr = 0;
 
-       if (sk && sk->sk_policy[1]) {
+       if (sk && sk->sk_policy[XFRM_POLICY_OUT]) {
                policy = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl);
                if (IS_ERR(policy))
                        return PTR_ERR(policy);
@@ -1954,8 +1949,8 @@ static int stale_bundle(struct dst_entry *dst)
 void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
 {
        while ((dst = dst->child) && dst->xfrm && dst->dev == dev) {
-               dst->dev = &loopback_dev;
-               dev_hold(&loopback_dev);
+               dst->dev = init_net.loopback_dev;
+               dev_hold(dst->dev);
                dev_put(dev);
        }
 }
@@ -2150,122 +2145,6 @@ int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *first,
 
 EXPORT_SYMBOL(xfrm_bundle_ok);
 
-#ifdef CONFIG_AUDITSYSCALL
-/* Audit addition and deletion of SAs and ipsec policy */
-
-void xfrm_audit_log(uid_t auid, u32 sid, int type, int result,
-                   struct xfrm_policy *xp, struct xfrm_state *x)
-{
-
-       char *secctx;
-       u32 secctx_len;
-       struct xfrm_sec_ctx *sctx = NULL;
-       struct audit_buffer *audit_buf;
-       int family;
-       extern int audit_enabled;
-
-       if (audit_enabled == 0)
-               return;
-
-       BUG_ON((type == AUDIT_MAC_IPSEC_ADDSA ||
-               type == AUDIT_MAC_IPSEC_DELSA) && !x);
-       BUG_ON((type == AUDIT_MAC_IPSEC_ADDSPD ||
-               type == AUDIT_MAC_IPSEC_DELSPD) && !xp);
-
-       audit_buf = audit_log_start(current->audit_context, GFP_ATOMIC, type);
-       if (audit_buf == NULL)
-               return;
-
-       switch(type) {
-       case AUDIT_MAC_IPSEC_ADDSA:
-               audit_log_format(audit_buf, "SAD add: auid=%u", auid);
-               break;
-       case AUDIT_MAC_IPSEC_DELSA:
-               audit_log_format(audit_buf, "SAD delete: auid=%u", auid);
-               break;
-       case AUDIT_MAC_IPSEC_ADDSPD:
-               audit_log_format(audit_buf, "SPD add: auid=%u", auid);
-               break;
-       case AUDIT_MAC_IPSEC_DELSPD:
-               audit_log_format(audit_buf, "SPD delete: auid=%u", auid);
-               break;
-       default:
-               return;
-       }
-
-       if (sid != 0 &&
-               security_secid_to_secctx(sid, &secctx, &secctx_len) == 0)
-               audit_log_format(audit_buf, " subj=%s", secctx);
-       else
-               audit_log_task_context(audit_buf);
-
-       if (xp) {
-               family = xp->selector.family;
-               if (xp->security)
-                       sctx = xp->security;
-       } else {
-               family = x->props.family;
-               if (x->security)
-                       sctx = x->security;
-       }
-
-       if (sctx)
-               audit_log_format(audit_buf,
-                               " sec_alg=%u sec_doi=%u sec_obj=%s",
-                               sctx->ctx_alg, sctx->ctx_doi, sctx->ctx_str);
-
-       switch(family) {
-       case AF_INET:
-               {
-                       struct in_addr saddr, daddr;
-                       if (xp) {
-                               saddr.s_addr = xp->selector.saddr.a4;
-                               daddr.s_addr = xp->selector.daddr.a4;
-                       } else {
-                               saddr.s_addr = x->props.saddr.a4;
-                               daddr.s_addr = x->id.daddr.a4;
-                       }
-                       audit_log_format(audit_buf,
-                                        " src=%u.%u.%u.%u dst=%u.%u.%u.%u",
-                                        NIPQUAD(saddr), NIPQUAD(daddr));
-               }
-                       break;
-       case AF_INET6:
-               {
-                       struct in6_addr saddr6, daddr6;
-                       if (xp) {
-                               memcpy(&saddr6, xp->selector.saddr.a6,
-                                       sizeof(struct in6_addr));
-                               memcpy(&daddr6, xp->selector.daddr.a6,
-                                       sizeof(struct in6_addr));
-                       } else {
-                               memcpy(&saddr6, x->props.saddr.a6,
-                                       sizeof(struct in6_addr));
-                               memcpy(&daddr6, x->id.daddr.a6,
-                                       sizeof(struct in6_addr));
-                       }
-                       audit_log_format(audit_buf,
-                                        " src=" NIP6_FMT " dst=" NIP6_FMT,
-                                        NIP6(saddr6), NIP6(daddr6));
-               }
-               break;
-       }
-
-       if (x)
-               audit_log_format(audit_buf, " spi=%lu(0x%lx) protocol=%s",
-                               (unsigned long)ntohl(x->id.spi),
-                               (unsigned long)ntohl(x->id.spi),
-                               x->id.proto == IPPROTO_AH ? "AH" :
-                               (x->id.proto == IPPROTO_ESP ?
-                               "ESP" : "IPCOMP"));
-
-       audit_log_format(audit_buf, " res=%u", result);
-       audit_log_end(audit_buf);
-}
-
-EXPORT_SYMBOL(xfrm_audit_log);
-#endif /* CONFIG_AUDITSYSCALL */
-
 int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)
 {
        int err = 0;
@@ -2357,6 +2236,11 @@ static void xfrm_policy_unlock_afinfo(struct xfrm_policy_afinfo *afinfo)
 
 static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
 {
+       struct net_device *dev = ptr;
+
+       if (dev->nd_net != &init_net)
+               return NOTIFY_DONE;
+
        switch (event) {
        case NETDEV_DOWN:
                xfrm_flush_bundles();
@@ -2411,6 +2295,72 @@ void __init xfrm_init(void)
        xfrm_input_init();
 }
 
+#ifdef CONFIG_AUDITSYSCALL
+static inline void xfrm_audit_common_policyinfo(struct xfrm_policy *xp,
+                                               struct audit_buffer *audit_buf)
+{
+       if (xp->security)
+               audit_log_format(audit_buf, " sec_alg=%u sec_doi=%u sec_obj=%s",
+                                xp->security->ctx_alg, xp->security->ctx_doi,
+                                xp->security->ctx_str);
+
+       switch(xp->selector.family) {
+       case AF_INET:
+               audit_log_format(audit_buf, " src=%u.%u.%u.%u dst=%u.%u.%u.%u",
+                                NIPQUAD(xp->selector.saddr.a4),
+                                NIPQUAD(xp->selector.daddr.a4));
+               break;
+       case AF_INET6:
+               {
+                       struct in6_addr saddr6, daddr6;
+
+                       memcpy(&saddr6, xp->selector.saddr.a6,
+                               sizeof(struct in6_addr));
+                       memcpy(&daddr6, xp->selector.daddr.a6,
+                               sizeof(struct in6_addr));
+                       audit_log_format(audit_buf,
+                               " src=" NIP6_FMT " dst=" NIP6_FMT,
+                               NIP6(saddr6), NIP6(daddr6));
+               }
+               break;
+       }
+}
+
+void
+xfrm_audit_policy_add(struct xfrm_policy *xp, int result, u32 auid, u32 sid)
+{
+       struct audit_buffer *audit_buf;
+       extern int audit_enabled;
+
+       if (audit_enabled == 0)
+               return;
+       audit_buf = xfrm_audit_start(sid, auid);
+       if (audit_buf == NULL)
+               return;
+       audit_log_format(audit_buf, " op=SPD-add res=%u", result);
+       xfrm_audit_common_policyinfo(xp, audit_buf);
+       audit_log_end(audit_buf);
+}
+EXPORT_SYMBOL_GPL(xfrm_audit_policy_add);
+
+void
+xfrm_audit_policy_delete(struct xfrm_policy *xp, int result, u32 auid, u32 sid)
+{
+       struct audit_buffer *audit_buf;
+       extern int audit_enabled;
+
+       if (audit_enabled == 0)
+               return;
+       audit_buf = xfrm_audit_start(sid, auid);
+       if (audit_buf == NULL)
+               return;
+       audit_log_format(audit_buf, " op=SPD-delete res=%u", result);
+       xfrm_audit_common_policyinfo(xp, audit_buf);
+       audit_log_end(audit_buf);
+}
+EXPORT_SYMBOL_GPL(xfrm_audit_policy_delete);
+#endif
+
 #ifdef CONFIG_XFRM_MIGRATE
 static int xfrm_migrate_selector_match(struct xfrm_selector *sel_cmp,
                                       struct xfrm_selector *sel_tgt)