1 files changed, 311 insertions, 41 deletions

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c21dc26141ea..c59a78d2923a 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -10,6 +10,7 @@
  *
  */
 
+#include <linux/crypto.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -27,6 +28,9 @@
 #include <net/xfrm.h>
 #include <net/netlink.h>
 #include <asm/uaccess.h>
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#include <linux/in6.h>
+#endif
 
 static int verify_one_alg(struct rtattr **xfrma, enum xfrm_attr_type_t type)
 {
@@ -86,6 +90,22 @@ static int verify_encap_tmpl(struct rtattr **xfrma)
         return 0;
 }
 
+static int verify_one_addr(struct rtattr **xfrma, enum xfrm_attr_type_t type,
+                           xfrm_address_t **addrp)
+{
+        struct rtattr *rt = xfrma[type - 1];
+
+        if (!rt)
+                return 0;
+
+        if ((rt->rta_len - sizeof(*rt)) < sizeof(**addrp))
+                return -EINVAL;
+
+        if (addrp)
+                *addrp = RTA_DATA(rt);
+
+        return 0;
+}
 
 static inline int verify_sec_ctx_len(struct rtattr **xfrma)
 {
@@ -156,6 +176,19 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
                         goto out;
                 break;
 
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+        case IPPROTO_DSTOPTS:
+        case IPPROTO_ROUTING:
+                if (xfrma[XFRMA_ALG_COMP-1]     ||
+                    xfrma[XFRMA_ALG_AUTH-1]     ||
+                    xfrma[XFRMA_ALG_CRYPT-1]    ||
+                    xfrma[XFRMA_ENCAP-1]        ||
+                    xfrma[XFRMA_SEC_CTX-1]      ||
+                    !xfrma[XFRMA_COADDR-1])
+                        goto out;
+                break;
+#endif
+
         default:
                 goto out;
         };
@@ -170,11 +203,14 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
                 goto out;
         if ((err = verify_sec_ctx_len(xfrma)))
                 goto out;
+        if ((err = verify_one_addr(xfrma, XFRMA_COADDR, NULL)))
+                goto out;
 
         err = -EINVAL;
         switch (p->mode) {
-        case 0:
-        case 1:
+        case XFRM_MODE_TRANSPORT:
+        case XFRM_MODE_TUNNEL:
+        case XFRM_MODE_ROUTEOPTIMIZATION:
                 break;
 
         default:
@@ -212,6 +248,7 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
                 return -ENOMEM;
 
         memcpy(p, ualg, len);
+        strcpy(p->alg_name, algo->name);
         *algpp = p;
         return 0;
 }
@@ -258,6 +295,24 @@ static int attach_sec_ctx(struct xfrm_state *x, struct rtattr *u_arg)
         return security_xfrm_state_alloc(x, uctx);
 }
 
+static int attach_one_addr(xfrm_address_t **addrpp, struct rtattr *u_arg)
+{
+        struct rtattr *rta = u_arg;
+        xfrm_address_t *p, *uaddrp;
+
+        if (!rta)
+                return 0;
+
+        uaddrp = RTA_DATA(rta);
+        p = kmalloc(sizeof(*p), GFP_KERNEL);
+        if (!p)
+                return -ENOMEM;
+
+        memcpy(p, uaddrp, sizeof(*p));
+        *addrpp = p;
+        return 0;
+}
+
 static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *p)
 {
         memcpy(&x->id, &p->id, sizeof(x->id));
@@ -347,7 +402,8 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
                 goto error;
         if ((err = attach_encap_tmpl(&x->encap, xfrma[XFRMA_ENCAP-1])))
                 goto error;
-
+        if ((err = attach_one_addr(&x->coaddr, xfrma[XFRMA_COADDR-1])))
+                goto error;
         err = xfrm_init_state(x);
         if (err)
                 goto error;
@@ -416,16 +472,48 @@ out:
         return err;
 }
 
+static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p,
+                                                 struct rtattr **xfrma,
+                                                 int *errp)
+{
+        struct xfrm_state *x = NULL;
+        int err;
+
+        if (xfrm_id_proto_match(p->proto, IPSEC_PROTO_ANY)) {
+                err = -ESRCH;
+                x = xfrm_state_lookup(&p->daddr, p->spi, p->proto, p->family);
+        } else {
+                xfrm_address_t *saddr = NULL;
+
+                err = verify_one_addr(xfrma, XFRMA_SRCADDR, &saddr);
+                if (err)
+                        goto out;
+
+                if (!saddr) {
+                        err = -EINVAL;
+                        goto out;
+                }
+
+                x = xfrm_state_lookup_byaddr(&p->daddr, saddr, p->proto,
+                                             p->family);
+        }
+
+ out:
+        if (!x && errp)
+                *errp = err;
+        return x;
+}
+
 static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
 {
         struct xfrm_state *x;
-        int err;
+        int err = -ESRCH;
         struct km_event c;
         struct xfrm_usersa_id *p = NLMSG_DATA(nlh);
 
-        x = xfrm_state_lookup(&p->daddr, p->spi, p->proto, p->family);
+        x = xfrm_user_state_lookup(p, (struct rtattr **)xfrma, &err);
         if (x == NULL)
-                return -ESRCH;
+                return err;
 
         if ((err = security_xfrm_state_delete(x)) != 0)
                 goto out;
@@ -519,6 +607,13 @@ static int dump_one_state(struct xfrm_state *x, int count, void *ptr)
                 uctx->ctx_len = x->security->ctx_len;
                 memcpy(uctx + 1, x->security->ctx_str, x->security->ctx_len);
         }
+
+        if (x->coaddr)
+                RTA_PUT(skb, XFRMA_COADDR, sizeof(*x->coaddr), x->coaddr);
+
+        if (x->lastused)
+                RTA_PUT(skb, XFRMA_LASTUSED, sizeof(x->lastused), &x->lastused);
+
         nlh->nlmsg_len = skb->tail - b;
 out:
         sp->this_idx++;
@@ -540,7 +635,7 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb)
         info.nlmsg_flags = NLM_F_MULTI;
         info.this_idx = 0;
         info.start_idx = cb->args[0];
-        (void) xfrm_state_walk(IPSEC_PROTO_ANY, dump_one_state, &info);
+        (void) xfrm_state_walk(0, dump_one_state, &info);
         cb->args[0] = info.this_idx;
 
         return skb->len;
@@ -576,10 +671,9 @@ static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
         struct xfrm_usersa_id *p = NLMSG_DATA(nlh);
         struct xfrm_state *x;
         struct sk_buff *resp_skb;
-        int err;
+        int err = -ESRCH;
 
-        x = xfrm_state_lookup(&p->daddr, p->spi, p->proto, p->family);
-        err = -ESRCH;
+        x = xfrm_user_state_lookup(p, (struct rtattr **)xfrma, &err);
         if (x == NULL)
                 goto out_noput;
 
@@ -692,6 +786,22 @@ static int verify_policy_dir(__u8 dir)
         return 0;
 }
 
+static int verify_policy_type(__u8 type)
+{
+        switch (type) {
+        case XFRM_POLICY_TYPE_MAIN:
+#ifdef CONFIG_XFRM_SUB_POLICY
+        case XFRM_POLICY_TYPE_SUB:
+#endif
+                break;
+
+        default:
+                return -EINVAL;
+        };
+
+        return 0;
+}
+
 static int verify_newpolicy_info(struct xfrm_userpolicy_info *p)
 {
         switch (p->share) {
@@ -785,6 +895,29 @@ static int copy_from_user_tmpl(struct xfrm_policy *pol, struct rtattr **xfrma)
         return 0;
 }
 
+static int copy_from_user_policy_type(u8 *tp, struct rtattr **xfrma)
+{
+        struct rtattr *rt = xfrma[XFRMA_POLICY_TYPE-1];
+        struct xfrm_userpolicy_type *upt;
+        __u8 type = XFRM_POLICY_TYPE_MAIN;
+        int err;
+
+        if (rt) {
+                if (rt->rta_len < sizeof(*upt))
+                        return -EINVAL;
+
+                upt = RTA_DATA(rt);
+                type = upt->type;
+        }
+
+        err = verify_policy_type(type);
+        if (err)
+                return err;
+
+        *tp = type;
+        return 0;
+}
+
 static void copy_from_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_info *p)
 {
         xp->priority = p->priority;
@@ -823,16 +956,20 @@ static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p,
 
         copy_from_user_policy(xp, p);
 
+        err = copy_from_user_policy_type(&xp->type, xfrma);
+        if (err)
+                goto error;
+
         if (!(err = copy_from_user_tmpl(xp, xfrma)))
                 err = copy_from_user_sec_ctx(xp, xfrma);
-
-        if (err) {
-                *errp = err;
-                kfree(xp);
-                xp = NULL;
-        }
+        if (err)
+                goto error;
 
         return xp;
+ error:
+        *errp = err;
+        kfree(xp);
+        return NULL;
 }
 
 static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
@@ -909,27 +1046,63 @@ rtattr_failure:
         return -1;
 }
 
-static int copy_to_user_sec_ctx(struct xfrm_policy *xp, struct sk_buff *skb)
+static int copy_sec_ctx(struct xfrm_sec_ctx *s, struct sk_buff *skb)
 {
-        if (xp->security) {
-                int ctx_size = sizeof(struct xfrm_sec_ctx) +
-                                xp->security->ctx_len;
-                struct rtattr *rt = __RTA_PUT(skb, XFRMA_SEC_CTX, ctx_size);
-                struct xfrm_user_sec_ctx *uctx = RTA_DATA(rt);
+        int ctx_size = sizeof(struct xfrm_sec_ctx) + s->ctx_len;
+        struct rtattr *rt = __RTA_PUT(skb, XFRMA_SEC_CTX, ctx_size);
+        struct xfrm_user_sec_ctx *uctx = RTA_DATA(rt);
+
+        uctx->exttype = XFRMA_SEC_CTX;
+        uctx->len = ctx_size;
+        uctx->ctx_doi = s->ctx_doi;
+        uctx->ctx_alg = s->ctx_alg;
+        uctx->ctx_len = s->ctx_len;
+        memcpy(uctx + 1, s->ctx_str, s->ctx_len);
+        return 0;
 
-                uctx->exttype = XFRMA_SEC_CTX;
-                uctx->len = ctx_size;
-                uctx->ctx_doi = xp->security->ctx_doi;
-                uctx->ctx_alg = xp->security->ctx_alg;
-                uctx->ctx_len = xp->security->ctx_len;
-                memcpy(uctx + 1, xp->security->ctx_str, xp->security->ctx_len);
+ rtattr_failure:
+        return -1;
+}
+
+static inline int copy_to_user_state_sec_ctx(struct xfrm_state *x, struct sk_buff *skb)
+{
+        if (x->security) {
+                return copy_sec_ctx(x->security, skb);
         }
         return 0;
+}
 
- rtattr_failure:
+static inline int copy_to_user_sec_ctx(struct xfrm_policy *xp, struct sk_buff *skb)
+{
+        if (xp->security) {
+                return copy_sec_ctx(xp->security, skb);
+        }
+        return 0;
+}
+
+#ifdef CONFIG_XFRM_SUB_POLICY
+static int copy_to_user_policy_type(struct xfrm_policy *xp, struct sk_buff *skb)
+{
+        struct xfrm_userpolicy_type upt;
+
+        memset(&upt, 0, sizeof(upt));
+        upt.type = xp->type;
+
+        RTA_PUT(skb, XFRMA_POLICY_TYPE, sizeof(upt), &upt);
+
+        return 0;
+
+rtattr_failure:
         return -1;
 }
 
+#else
+static inline int copy_to_user_policy_type(struct xfrm_policy *xp, struct sk_buff *skb)
+{
+        return 0;
+}
+#endif
+
 static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr)
 {
         struct xfrm_dump_info *sp = ptr;
@@ -953,6 +1126,8 @@ static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr
                 goto nlmsg_failure;
         if (copy_to_user_sec_ctx(xp, skb))
                 goto nlmsg_failure;
+        if (copy_to_user_policy_type(xp, skb) < 0)
+                goto nlmsg_failure;
 
         nlh->nlmsg_len = skb->tail - b;
 out:
@@ -974,7 +1149,10 @@ static int xfrm_dump_policy(struct sk_buff *skb, struct netlink_callback *cb)
         info.nlmsg_flags = NLM_F_MULTI;
         info.this_idx = 0;
         info.start_idx = cb->args[0];
-        (void) xfrm_policy_walk(dump_one_policy, &info);
+        (void) xfrm_policy_walk(XFRM_POLICY_TYPE_MAIN, dump_one_policy, &info);
+#ifdef CONFIG_XFRM_SUB_POLICY
+        (void) xfrm_policy_walk(XFRM_POLICY_TYPE_SUB, dump_one_policy, &info);
+#endif
         cb->args[0] = info.this_idx;
 
         return skb->len;
@@ -1010,6 +1188,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr
 {
         struct xfrm_policy *xp;
         struct xfrm_userpolicy_id *p;
+        __u8 type = XFRM_POLICY_TYPE_MAIN;
         int err;
         struct km_event c;
         int delete;
@@ -1017,12 +1196,16 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr
         p = NLMSG_DATA(nlh);
         delete = nlh->nlmsg_type == XFRM_MSG_DELPOLICY;
 
+        err = copy_from_user_policy_type(&type, (struct rtattr **)xfrma);
+        if (err)
+                return err;
+
         err = verify_policy_dir(p->dir);
         if (err)
                 return err;
 
         if (p->index)
-                xp = xfrm_policy_byid(p->dir, p->index, delete);
+                xp = xfrm_policy_byid(type, p->dir, p->index, delete);
         else {
                 struct rtattr **rtattrs = (struct rtattr **)xfrma;
                 struct rtattr *rt = rtattrs[XFRMA_SEC_CTX-1];
@@ -1039,7 +1222,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfr
                         if ((err = security_xfrm_policy_alloc(&tmp, uctx)))
                                 return err;
                 }
-                xp = xfrm_policy_bysel_ctx(p->dir, &p->sel, tmp.security, delete);
+                xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security, delete);
                 security_xfrm_policy_free(&tmp);
         }
         if (xp == NULL)
@@ -1222,9 +1405,16 @@ out:
 
 static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma)
 {
-struct km_event c;
+        struct km_event c;
+        __u8 type = XFRM_POLICY_TYPE_MAIN;
+        int err;
+
+        err = copy_from_user_policy_type(&type, (struct rtattr **)xfrma);
+        if (err)
+                return err;
 
-        xfrm_policy_flush();
+        xfrm_policy_flush(type);
+        c.data.type = type;
         c.event = nlh->nlmsg_type;
         c.seq = nlh->nlmsg_seq;
         c.pid = nlh->nlmsg_pid;
@@ -1237,10 +1427,15 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, void *
         struct xfrm_policy *xp;
         struct xfrm_user_polexpire *up = NLMSG_DATA(nlh);
         struct xfrm_userpolicy_info *p = &up->pol;
+        __u8 type = XFRM_POLICY_TYPE_MAIN;
         int err = -ENOENT;
 
+        err = copy_from_user_policy_type(&type, (struct rtattr **)xfrma);
+        if (err)
+                return err;
+
         if (p->index)
-                xp = xfrm_policy_byid(p->dir, p->index, 0);
+                xp = xfrm_policy_byid(type, p->dir, p->index, 0);
         else {
                 struct rtattr **rtattrs = (struct rtattr **)xfrma;
                 struct rtattr *rt = rtattrs[XFRMA_SEC_CTX-1];
@@ -1257,7 +1452,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, void *
                         if ((err = security_xfrm_policy_alloc(&tmp, uctx)))
                                 return err;
                 }
-                xp = xfrm_policy_bysel_ctx(p->dir, &p->sel, tmp.security, 0);
+                xp = xfrm_policy_bysel_ctx(type, p->dir, &p->sel, tmp.security, 0);
                 security_xfrm_policy_free(&tmp);
         }
 
@@ -1384,6 +1579,7 @@ static const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
         [XFRM_MSG_FLUSHPOLICY - XFRM_MSG_BASE] = NLMSG_LENGTH(0),
         [XFRM_MSG_NEWAE       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_aevent_id),
         [XFRM_MSG_GETAE       - XFRM_MSG_BASE] = XMSGSIZE(xfrm_aevent_id),
+        [XFRM_MSG_REPORT      - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_report),
 };
 
 #undef XMSGSIZE
@@ -1435,7 +1631,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *err
         link = &xfrm_dispatch[type];
 
         /* All operations require privileges, even GET */
-        if (security_netlink_recv(skb)) {
+        if (security_netlink_recv(skb, CAP_NET_ADMIN)) {
                 *errp = -EPERM;
                 return -1;
         }
@@ -1708,7 +1904,9 @@ static int build_acquire(struct sk_buff *skb, struct xfrm_state *x,
 
         if (copy_to_user_tmpl(xp, skb) < 0)
                 goto nlmsg_failure;
-        if (copy_to_user_sec_ctx(xp, skb))
+        if (copy_to_user_state_sec_ctx(x, skb))
+                goto nlmsg_failure;
+        if (copy_to_user_policy_type(xp, skb) < 0)
                 goto nlmsg_failure;
 
         nlh->nlmsg_len = skb->tail - b;
@@ -1742,7 +1940,7 @@ static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt,
 /* User gives us xfrm_user_policy_info followed by an array of 0
  * or more templates.
  */
-static struct xfrm_policy *xfrm_compile_policy(u16 family, int opt,
+static struct xfrm_policy *xfrm_compile_policy(struct sock *sk, int opt,
                                                u8 *data, int len, int *dir)
 {
         struct xfrm_userpolicy_info *p = (struct xfrm_userpolicy_info *)data;
@@ -1750,7 +1948,7 @@ static struct xfrm_policy *xfrm_compile_policy(u16 family, int opt,
         struct xfrm_policy *xp;
         int nr;
 
-        switch (family) {
+        switch (sk->sk_family) {
         case AF_INET:
                 if (opt != IP_XFRM_POLICY) {
                         *dir = -EOPNOTSUPP;
@@ -1790,8 +1988,18 @@ static struct xfrm_policy *xfrm_compile_policy(u16 family, int opt,
         }
 
         copy_from_user_policy(xp, p);
+        xp->type = XFRM_POLICY_TYPE_MAIN;
         copy_templates(xp, ut, nr);
 
+        if (!xp->security) {
+                int err = security_xfrm_sock_policy_alloc(xp, sk);
+                if (err) {
+                        kfree(xp);
+                        *dir = err;
+                        return NULL;
+                }
+        }
+
         *dir = p->dir;
 
         return xp;
@@ -1814,6 +2022,8 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
                 goto nlmsg_failure;
         if (copy_to_user_sec_ctx(xp, skb))
                 goto nlmsg_failure;
+        if (copy_to_user_policy_type(xp, skb) < 0)
+                goto nlmsg_failure;
         upe->hard = !!hard;
 
         nlh->nlmsg_len = skb->tail - b;
@@ -1885,6 +2095,8 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *
         copy_to_user_policy(xp, p, dir);
         if (copy_to_user_tmpl(xp, skb) < 0)
                 goto nlmsg_failure;
+        if (copy_to_user_policy_type(xp, skb) < 0)
+                goto nlmsg_failure;
 
         nlh->nlmsg_len = skb->tail - b;
 
@@ -1902,6 +2114,9 @@ static int xfrm_notify_policy_flush(struct km_event *c)
         struct nlmsghdr *nlh;
         struct sk_buff *skb;
         unsigned char *b;
+#ifdef CONFIG_XFRM_SUB_POLICY
+        struct xfrm_userpolicy_type upt;
+#endif
         int len = NLMSG_LENGTH(0);
 
         skb = alloc_skb(len, GFP_ATOMIC);
@@ -1911,6 +2126,13 @@ static int xfrm_notify_policy_flush(struct km_event *c)
 
 
         nlh = NLMSG_PUT(skb, c->pid, c->seq, XFRM_MSG_FLUSHPOLICY, 0);
+        nlh->nlmsg_flags = 0;
+
+#ifdef CONFIG_XFRM_SUB_POLICY
+        memset(&upt, 0, sizeof(upt));
+        upt.type = c->data.type;
+        RTA_PUT(skb, XFRMA_POLICY_TYPE, sizeof(upt), &upt);
+#endif
 
         nlh->nlmsg_len = skb->tail - b;
 
@@ -1918,6 +2140,9 @@ static int xfrm_notify_policy_flush(struct km_event *c)
         return netlink_broadcast(xfrm_nl, skb, 0, XFRMNLGRP_POLICY, GFP_ATOMIC);
 
 nlmsg_failure:
+#ifdef CONFIG_XFRM_SUB_POLICY
+rtattr_failure:
+#endif
         kfree_skb(skb);
         return -1;
 }
@@ -1942,19 +2167,64 @@ static int xfrm_send_policy_notify(struct xfrm_policy *xp, int dir, struct km_ev
 
 }
 
+static int build_report(struct sk_buff *skb, u8 proto,
+                        struct xfrm_selector *sel, xfrm_address_t *addr)
+{
+        struct xfrm_user_report *ur;
+        struct nlmsghdr *nlh;
+        unsigned char *b = skb->tail;
+
+        nlh = NLMSG_PUT(skb, 0, 0, XFRM_MSG_REPORT, sizeof(*ur));
+        ur = NLMSG_DATA(nlh);
+        nlh->nlmsg_flags = 0;
+
+        ur->proto = proto;
+        memcpy(&ur->sel, sel, sizeof(ur->sel));
+
+        if (addr)
+                RTA_PUT(skb, XFRMA_COADDR, sizeof(*addr), addr);
+
+        nlh->nlmsg_len = skb->tail - b;
+        return skb->len;
+
+nlmsg_failure:
+rtattr_failure:
+        skb_trim(skb, b - skb->data);
+        return -1;
+}
+
+static int xfrm_send_report(u8 proto, struct xfrm_selector *sel,
+                            xfrm_address_t *addr)
+{
+        struct sk_buff *skb;
+        size_t len;
+
+        len = NLMSG_ALIGN(NLMSG_LENGTH(sizeof(struct xfrm_user_report)));
+        skb = alloc_skb(len, GFP_ATOMIC);
+        if (skb == NULL)
+                return -ENOMEM;
+
+        if (build_report(skb, proto, sel, addr) < 0)
+                BUG();
+
+        NETLINK_CB(skb).dst_group = XFRMNLGRP_REPORT;
+        return netlink_broadcast(xfrm_nl, skb, 0, XFRMNLGRP_REPORT, GFP_ATOMIC);
+}
+
 static struct xfrm_mgr netlink_mgr = {
         .id             = "netlink",
         .notify         = xfrm_send_state_notify,
         .acquire        = xfrm_send_acquire,
         .compile_policy = xfrm_compile_policy,
         .notify_policy  = xfrm_send_policy_notify,
+        .report         = xfrm_send_report,
 };
 
 static int __init xfrm_user_init(void)
 {
         struct sock *nlsk;
 
-        printk(KERN_INFO "Initializing IPsec netlink socket\n");
+        printk(KERN_INFO "Initializing XFRM netlink socket\n");
 
         nlsk = netlink_kernel_create(NETLINK_XFRM, XFRMNLGRP_MAX,
                                      xfrm_netlink_rcv, THIS_MODULE);