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Diffstat (limited to 'net/key/af_key.c')
-rw-r--r--net/key/af_key.c69
1 files changed, 50 insertions, 19 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 20ff7cca1d07..5dd5094659a1 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -27,6 +27,7 @@
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <net/xfrm.h>
+#include <linux/audit.h>
#include <net/sock.h>
@@ -1420,6 +1421,9 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr,
else
err = xfrm_state_update(x);
+ xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+ AUDIT_MAC_IPSEC_ADDSA, err ? 0 : 1, NULL, x);
+
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
__xfrm_state_put(x);
@@ -1460,8 +1464,12 @@ static int pfkey_delete(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
err = -EPERM;
goto out;
}
-
+
err = xfrm_state_delete(x);
+
+ xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+ AUDIT_MAC_IPSEC_DELSA, err ? 0 : 1, NULL, x);
+
if (err < 0)
goto out;
@@ -1637,12 +1645,15 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
{
unsigned proto;
struct km_event c;
+ struct xfrm_audit audit_info;
proto = pfkey_satype2proto(hdr->sadb_msg_satype);
if (proto == 0)
return -EINVAL;
- xfrm_state_flush(proto);
+ audit_info.loginuid = audit_get_loginuid(current->audit_context);
+ audit_info.secid = 0;
+ xfrm_state_flush(proto, &audit_info);
c.data.proto = proto;
c.seq = hdr->sadb_msg_seq;
c.pid = hdr->sadb_msg_pid;
@@ -1767,11 +1778,11 @@ parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
/* addresses present only in tunnel mode */
if (t->mode == XFRM_MODE_TUNNEL) {
- switch (xp->family) {
+ struct sockaddr *sa;
+ sa = (struct sockaddr *)(rq+1);
+ switch(sa->sa_family) {
case AF_INET:
- sin = (void*)(rq+1);
- if (sin->sin_family != AF_INET)
- return -EINVAL;
+ sin = (struct sockaddr_in*)sa;
t->saddr.a4 = sin->sin_addr.s_addr;
sin++;
if (sin->sin_family != AF_INET)
@@ -1780,9 +1791,7 @@ parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
- sin6 = (void *)(rq+1);
- if (sin6->sin6_family != AF_INET6)
- return -EINVAL;
+ sin6 = (struct sockaddr_in6*)sa;
memcpy(t->saddr.a6, &sin6->sin6_addr, sizeof(struct in6_addr));
sin6++;
if (sin6->sin6_family != AF_INET6)
@@ -1793,7 +1802,10 @@ parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
default:
return -EINVAL;
}
- }
+ t->encap_family = sa->sa_family;
+ } else
+ t->encap_family = xp->family;
+
/* No way to set this via kame pfkey */
t->aalgos = t->ealgos = t->calgos = ~0;
xp->xfrm_nr++;
@@ -1830,18 +1842,25 @@ static inline int pfkey_xfrm_policy2sec_ctx_size(struct xfrm_policy *xp)
static int pfkey_xfrm_policy2msg_size(struct xfrm_policy *xp)
{
+ struct xfrm_tmpl *t;
int sockaddr_size = pfkey_sockaddr_size(xp->family);
- int socklen = (xp->family == AF_INET ?
- sizeof(struct sockaddr_in) :
- sizeof(struct sockaddr_in6));
+ int socklen = 0;
+ int i;
+
+ for (i=0; i<xp->xfrm_nr; i++) {
+ t = xp->xfrm_vec + i;
+ socklen += (t->encap_family == AF_INET ?
+ sizeof(struct sockaddr_in) :
+ sizeof(struct sockaddr_in6));
+ }
return sizeof(struct sadb_msg) +
(sizeof(struct sadb_lifetime) * 3) +
(sizeof(struct sadb_address) * 2) +
(sockaddr_size * 2) +
sizeof(struct sadb_x_policy) +
- (xp->xfrm_nr * (sizeof(struct sadb_x_ipsecrequest) +
- (socklen * 2))) +
+ (xp->xfrm_nr * sizeof(struct sadb_x_ipsecrequest)) +
+ (socklen * 2) +
pfkey_xfrm_policy2sec_ctx_size(xp);
}
@@ -1999,7 +2018,9 @@ static void pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, i
req_size = sizeof(struct sadb_x_ipsecrequest);
if (t->mode == XFRM_MODE_TUNNEL)
- req_size += 2*socklen;
+ req_size += ((t->encap_family == AF_INET ?
+ sizeof(struct sockaddr_in) :
+ sizeof(struct sockaddr_in6)) * 2);
else
size -= 2*socklen;
rq = (void*)skb_put(skb, req_size);
@@ -2015,7 +2036,7 @@ static void pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, i
rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_USE;
rq->sadb_x_ipsecrequest_reqid = t->reqid;
if (t->mode == XFRM_MODE_TUNNEL) {
- switch (xp->family) {
+ switch (t->encap_family) {
case AF_INET:
sin = (void*)(rq+1);
sin->sin_family = AF_INET;
@@ -2195,6 +2216,9 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h
err = xfrm_policy_insert(pol->sadb_x_policy_dir-1, xp,
hdr->sadb_msg_type != SADB_X_SPDUPDATE);
+ xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+ AUDIT_MAC_IPSEC_ADDSPD, err ? 0 : 1, xp, NULL);
+
if (err)
goto out;
@@ -2272,6 +2296,10 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, struct sadb_msg
xp = xfrm_policy_bysel_ctx(XFRM_POLICY_TYPE_MAIN, pol->sadb_x_policy_dir-1,
&sel, tmp.security, 1);
security_xfrm_policy_free(&tmp);
+
+ xfrm_audit_log(audit_get_loginuid(current->audit_context), 0,
+ AUDIT_MAC_IPSEC_DELSPD, (xp) ? 1 : 0, xp, NULL);
+
if (xp == NULL)
return -ENOENT;
@@ -2406,8 +2434,11 @@ static int key_notify_policy_flush(struct km_event *c)
static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
struct km_event c;
+ struct xfrm_audit audit_info;
- xfrm_policy_flush(XFRM_POLICY_TYPE_MAIN);
+ audit_info.loginuid = audit_get_loginuid(current->audit_context);
+ audit_info.secid = 0;
+ xfrm_policy_flush(XFRM_POLICY_TYPE_MAIN, &audit_info);
c.data.type = XFRM_POLICY_TYPE_MAIN;
c.event = XFRM_MSG_FLUSHPOLICY;
c.pid = hdr->sadb_msg_pid;
@@ -2938,7 +2969,7 @@ out:
return NULL;
}
-static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, u16 sport)
+static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport)
{
struct sk_buff *skb;
struct sadb_msg *hdr;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 20:52:05 +0100