key: Share common code path to fill sockaddr{}.
YOSHIFUJI Hideaki [Sun, 27 Apr 2008 16:46:41 +0000 (01:46 +0900)]
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

net/key/af_key.c

index 02c8aba..2b05cb6 100644 (file)
@@ -691,6 +691,36 @@ static inline int pfkey_mode_to_xfrm(int mode)
        }
 }
 
+static unsigned int pfkey_sockaddr_fill(xfrm_address_t *xaddr, __be16 port,
+                                      struct sockaddr *sa,
+                                      unsigned short family)
+{
+       switch (family) {
+       case AF_INET:
+           {
+               struct sockaddr_in *sin = (struct sockaddr_in *)sa;
+               sin->sin_family = AF_INET;
+               sin->sin_port = port;
+               sin->sin_addr.s_addr = xaddr->a4;
+               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+               return 32;
+           }
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+       case AF_INET6:
+           {
+               struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+               sin6->sin6_family = AF_INET6;
+               sin6->sin6_port = port;
+               sin6->sin6_flowinfo = 0;
+               ipv6_addr_copy(&sin6->sin6_addr, (struct in6_addr *)xaddr->a6);
+               sin6->sin6_scope_id = 0;
+               return 128;
+           }
+#endif
+       }
+       return 0;
+}
+
 static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
                                              int add_keys, int hsc)
 {
@@ -701,13 +731,9 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
        struct sadb_address *addr;
        struct sadb_key *key;
        struct sadb_x_sa2 *sa2;
-       struct sockaddr_in *sin;
        struct sadb_x_sec_ctx *sec_ctx;
        struct xfrm_sec_ctx *xfrm_ctx;
        int ctx_size = 0;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6 *sin6;
-#endif
        int size;
        int auth_key_size = 0;
        int encrypt_key_size = 0;
@@ -865,29 +891,12 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
           protocol's number." - RFC2367 */
        addr->sadb_address_proto = 0;
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               addr->sadb_address_prefixlen = 32;
 
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = x->props.saddr.a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
-
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr, x->props.saddr.a6,
-                      sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(&x->props.saddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
                BUG();
 
        /* dst address */
@@ -898,70 +907,32 @@ static struct sk_buff *__pfkey_xfrm_state2msg(struct xfrm_state *x,
                        sizeof(uint64_t);
        addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
        addr->sadb_address_proto = 0;
-       addr->sadb_address_prefixlen = 32; /* XXX */
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = x->id.daddr.a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
 
-               if (x->sel.saddr.a4 != x->props.saddr.a4) {
-                       addr = (struct sadb_address*) skb_put(skb,
-                               sizeof(struct sadb_address)+sockaddr_size);
-                       addr->sadb_address_len =
-                               (sizeof(struct sadb_address)+sockaddr_size)/
-                               sizeof(uint64_t);
-                       addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
-                       addr->sadb_address_proto =
-                               pfkey_proto_from_xfrm(x->sel.proto);
-                       addr->sadb_address_prefixlen = x->sel.prefixlen_s;
-                       addr->sadb_address_reserved = 0;
-
-                       sin = (struct sockaddr_in *) (addr + 1);
-                       sin->sin_family = AF_INET;
-                       sin->sin_addr.s_addr = x->sel.saddr.a4;
-                       sin->sin_port = x->sel.sport;
-                       memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-               }
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(&x->id.daddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
+               BUG();
 
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr, x->id.daddr.a6, sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
+       if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr,
+                         x->props.family)) {
+               addr = (struct sadb_address*) skb_put(skb,
+                       sizeof(struct sadb_address)+sockaddr_size);
+               addr->sadb_address_len =
+                       (sizeof(struct sadb_address)+sockaddr_size)/
+                       sizeof(uint64_t);
+               addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
+               addr->sadb_address_proto =
+                       pfkey_proto_from_xfrm(x->sel.proto);
+               addr->sadb_address_prefixlen = x->sel.prefixlen_s;
+               addr->sadb_address_reserved = 0;
 
-               if (memcmp (x->sel.saddr.a6, x->props.saddr.a6,
-                           sizeof(struct in6_addr))) {
-                       addr = (struct sadb_address *) skb_put(skb,
-                               sizeof(struct sadb_address)+sockaddr_size);
-                       addr->sadb_address_len =
-                               (sizeof(struct sadb_address)+sockaddr_size)/
-                               sizeof(uint64_t);
-                       addr->sadb_address_exttype = SADB_EXT_ADDRESS_PROXY;
-                       addr->sadb_address_proto =
-                               pfkey_proto_from_xfrm(x->sel.proto);
-                       addr->sadb_address_prefixlen = x->sel.prefixlen_s;
-                       addr->sadb_address_reserved = 0;
-
-                       sin6 = (struct sockaddr_in6 *) (addr + 1);
-                       sin6->sin6_family = AF_INET6;
-                       sin6->sin6_port = x->sel.sport;
-                       sin6->sin6_flowinfo = 0;
-                       memcpy(&sin6->sin6_addr, x->sel.saddr.a6,
-                              sizeof(struct in6_addr));
-                       sin6->sin6_scope_id = 0;
-               }
+               pfkey_sockaddr_fill(&x->sel.saddr, x->sel.sport,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
        }
-#endif
-       else
-               BUG();
 
        /* auth key */
        if (add_keys && auth_key_size) {
@@ -1989,12 +1960,8 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
        struct sadb_address *addr;
        struct sadb_lifetime *lifetime;
        struct sadb_x_policy *pol;
-       struct sockaddr_in   *sin;
        struct sadb_x_sec_ctx *sec_ctx;
        struct xfrm_sec_ctx *xfrm_ctx;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6  *sin6;
-#endif
        int i;
        int size;
        int sockaddr_size = pfkey_sockaddr_size(xp->family);
@@ -2016,26 +1983,10 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
        addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto);
        addr->sadb_address_prefixlen = xp->selector.prefixlen_s;
        addr->sadb_address_reserved = 0;
-       /* src address */
-       if (xp->family == AF_INET) {
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = xp->selector.saddr.a4;
-               sin->sin_port = xp->selector.sport;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (xp->family == AF_INET6) {
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = xp->selector.sport;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr, xp->selector.saddr.a6,
-                      sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       if (!pfkey_sockaddr_fill(&xp->selector.saddr,
+                                xp->selector.sport,
+                                (struct sockaddr *) (addr + 1),
+                                xp->family))
                BUG();
 
        /* dst address */
@@ -2048,26 +1999,10 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
        addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto);
        addr->sadb_address_prefixlen = xp->selector.prefixlen_d;
        addr->sadb_address_reserved = 0;
-       if (xp->family == AF_INET) {
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = xp->selector.daddr.a4;
-               sin->sin_port = xp->selector.dport;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (xp->family == AF_INET6) {
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = xp->selector.dport;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr, xp->selector.daddr.a6,
-                      sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
-               BUG();
+
+       pfkey_sockaddr_fill(&xp->selector.daddr, xp->selector.dport,
+                           (struct sockaddr *) (addr + 1),
+                           xp->family);
 
        /* hard time */
        lifetime = (struct sadb_lifetime *)  skb_put(skb,
@@ -2121,10 +2056,13 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
                int mode;
 
                req_size = sizeof(struct sadb_x_ipsecrequest);
-               if (t->mode == XFRM_MODE_TUNNEL)
-                       req_size += pfkey_sockaddr_len(t->encap_family) * 2;
-               else
+               if (t->mode == XFRM_MODE_TUNNEL) {
+                       socklen = pfkey_sockaddr_len(t->encap_family);
+                       req_size += socklen * 2;
+               } else {
                        size -= 2*socklen;
+                       socklen = 0;
+               }
                rq = (void*)skb_put(skb, req_size);
                pol->sadb_x_policy_len += req_size/8;
                memset(rq, 0, sizeof(*rq));
@@ -2139,42 +2077,15 @@ static int pfkey_xfrm_policy2msg(struct sk_buff *skb, struct xfrm_policy *xp, in
                if (t->optional)
                        rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_USE;
                rq->sadb_x_ipsecrequest_reqid = t->reqid;
+
                if (t->mode == XFRM_MODE_TUNNEL) {
-                       switch (t->encap_family) {
-                       case AF_INET:
-                               sin = (void*)(rq+1);
-                               sin->sin_family = AF_INET;
-                               sin->sin_addr.s_addr = t->saddr.a4;
-                               sin->sin_port = 0;
-                               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-                               sin++;
-                               sin->sin_family = AF_INET;
-                               sin->sin_addr.s_addr = t->id.daddr.a4;
-                               sin->sin_port = 0;
-                               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-                               break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-                       case AF_INET6:
-                               sin6 = (void*)(rq+1);
-                               sin6->sin6_family = AF_INET6;
-                               sin6->sin6_port = 0;
-                               sin6->sin6_flowinfo = 0;
-                               memcpy(&sin6->sin6_addr, t->saddr.a6,
-                                      sizeof(struct in6_addr));
-                               sin6->sin6_scope_id = 0;
-
-                               sin6++;
-                               sin6->sin6_family = AF_INET6;
-                               sin6->sin6_port = 0;
-                               sin6->sin6_flowinfo = 0;
-                               memcpy(&sin6->sin6_addr, t->id.daddr.a6,
-                                      sizeof(struct in6_addr));
-                               sin6->sin6_scope_id = 0;
-                               break;
-#endif
-                       default:
-                               break;
-                       }
+                       u8 *sa = (void *)(rq + 1);
+                       pfkey_sockaddr_fill(&t->saddr, 0,
+                                           (struct sockaddr *)sa,
+                                           t->encap_family);
+                       pfkey_sockaddr_fill(&t->id.daddr, 0,
+                                           (struct sockaddr *) (sa + socklen),
+                                           t->encap_family);
                }
        }
 
@@ -3079,10 +2990,6 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
        struct sadb_msg *hdr;
        struct sadb_address *addr;
        struct sadb_x_policy *pol;
-       struct sockaddr_in *sin;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6 *sin6;
-#endif
        int sockaddr_size;
        int size;
        struct sadb_x_sec_ctx *sec_ctx;
@@ -3131,29 +3038,11 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
        addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC;
        addr->sadb_address_proto = 0;
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               addr->sadb_address_prefixlen = 32;
-
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = x->props.saddr.a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
-
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr,
-                      x->props.saddr.a6, sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(&x->props.saddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
                BUG();
 
        /* dst address */
@@ -3165,29 +3054,11 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
        addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
        addr->sadb_address_proto = 0;
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               addr->sadb_address_prefixlen = 32;
-
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = x->id.daddr.a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
-
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr,
-                      x->id.daddr.a6, sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(&x->id.daddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
                BUG();
 
        pol = (struct sadb_x_policy *)  skb_put(skb, sizeof(struct sadb_x_policy));
@@ -3313,10 +3184,6 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
        struct sadb_sa *sa;
        struct sadb_address *addr;
        struct sadb_x_nat_t_port *n_port;
-       struct sockaddr_in *sin;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6 *sin6;
-#endif
        int sockaddr_size;
        int size;
        __u8 satype = (x->id.proto == IPPROTO_ESP ? SADB_SATYPE_ESP : 0);
@@ -3380,29 +3247,11 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
        addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC;
        addr->sadb_address_proto = 0;
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               addr->sadb_address_prefixlen = 32;
-
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = x->props.saddr.a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
-
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr,
-                      x->props.saddr.a6, sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(&x->props.saddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
                BUG();
 
        /* NAT_T_SPORT (old port) */
@@ -3421,28 +3270,11 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
        addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST;
        addr->sadb_address_proto = 0;
        addr->sadb_address_reserved = 0;
-       if (x->props.family == AF_INET) {
-               addr->sadb_address_prefixlen = 32;
-
-               sin = (struct sockaddr_in *) (addr + 1);
-               sin->sin_family = AF_INET;
-               sin->sin_addr.s_addr = ipaddr->a4;
-               sin->sin_port = 0;
-               memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-       }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       else if (x->props.family == AF_INET6) {
-               addr->sadb_address_prefixlen = 128;
-
-               sin6 = (struct sockaddr_in6 *) (addr + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               memcpy(&sin6->sin6_addr, &ipaddr->a6, sizeof(struct in6_addr));
-               sin6->sin6_scope_id = 0;
-       }
-#endif
-       else
+       addr->sadb_address_prefixlen =
+               pfkey_sockaddr_fill(ipaddr, 0,
+                                   (struct sockaddr *) (addr + 1),
+                                   x->props.family);
+       if (!addr->sadb_address_prefixlen)
                BUG();
 
        /* NAT_T_DPORT (new port) */
@@ -3460,10 +3292,6 @@ static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
                            struct xfrm_selector *sel)
 {
        struct sadb_address *addr;
-       struct sockaddr_in *sin;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6 *sin6;
-#endif
        addr = (struct sadb_address *)skb_put(skb, sizeof(struct sadb_address) + sasize);
        addr->sadb_address_len = (sizeof(struct sadb_address) + sasize)/8;
        addr->sadb_address_exttype = type;
@@ -3472,50 +3300,16 @@ static int set_sadb_address(struct sk_buff *skb, int sasize, int type,
 
        switch (type) {
        case SADB_EXT_ADDRESS_SRC:
-               if (sel->family == AF_INET) {
-                       addr->sadb_address_prefixlen = sel->prefixlen_s;
-                       sin = (struct sockaddr_in *)(addr + 1);
-                       sin->sin_family = AF_INET;
-                       memcpy(&sin->sin_addr.s_addr, &sel->saddr,
-                              sizeof(sin->sin_addr.s_addr));
-                       sin->sin_port = 0;
-                       memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-               }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-               else if (sel->family == AF_INET6) {
-                       addr->sadb_address_prefixlen = sel->prefixlen_s;
-                       sin6 = (struct sockaddr_in6 *)(addr + 1);
-                       sin6->sin6_family = AF_INET6;
-                       sin6->sin6_port = 0;
-                       sin6->sin6_flowinfo = 0;
-                       sin6->sin6_scope_id = 0;
-                       memcpy(&sin6->sin6_addr.s6_addr, &sel->saddr,
-                              sizeof(sin6->sin6_addr.s6_addr));
-               }
-#endif
+               addr->sadb_address_prefixlen = sel->prefixlen_s;
+               pfkey_sockaddr_fill(&sel->saddr, 0,
+                                   (struct sockaddr *)(addr + 1),
+                                   sel->family);
                break;
        case SADB_EXT_ADDRESS_DST:
-               if (sel->family == AF_INET) {
-                       addr->sadb_address_prefixlen = sel->prefixlen_d;
-                       sin = (struct sockaddr_in *)(addr + 1);
-                       sin->sin_family = AF_INET;
-                       memcpy(&sin->sin_addr.s_addr, &sel->daddr,
-                              sizeof(sin->sin_addr.s_addr));
-                       sin->sin_port = 0;
-                       memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
-               }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-               else if (sel->family == AF_INET6) {
-                       addr->sadb_address_prefixlen = sel->prefixlen_d;
-                       sin6 = (struct sockaddr_in6 *)(addr + 1);
-                       sin6->sin6_family = AF_INET6;
-                       sin6->sin6_port = 0;
-                       sin6->sin6_flowinfo = 0;
-                       sin6->sin6_scope_id = 0;
-                       memcpy(&sin6->sin6_addr.s6_addr, &sel->daddr,
-                              sizeof(sin6->sin6_addr.s6_addr));
-               }
-#endif
+               addr->sadb_address_prefixlen = sel->prefixlen_d;
+               pfkey_sockaddr_fill(&sel->daddr, 0,
+                                   (struct sockaddr *)(addr + 1),
+                                   sel->family);
                break;
        default:
                return -EINVAL;
@@ -3530,10 +3324,8 @@ static int set_ipsecrequest(struct sk_buff *skb,
                            xfrm_address_t *src, xfrm_address_t *dst)
 {
        struct sadb_x_ipsecrequest *rq;
-       struct sockaddr_in *sin;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       struct sockaddr_in6 *sin6;
-#endif
+       u8 *sa;
+       int socklen = pfkey_sockaddr_len(family);
        int size_req;
 
        size_req = sizeof(struct sadb_x_ipsecrequest) +
@@ -3547,38 +3339,10 @@ static int set_ipsecrequest(struct sk_buff *skb,
        rq->sadb_x_ipsecrequest_level = level;
        rq->sadb_x_ipsecrequest_reqid = reqid;
 
-       switch (family) {
-       case AF_INET:
-               sin = (struct sockaddr_in *)(rq + 1);
-               sin->sin_family = AF_INET;
-               memcpy(&sin->sin_addr.s_addr, src,
-                      sizeof(sin->sin_addr.s_addr));
-               sin++;
-               sin->sin_family = AF_INET;
-               memcpy(&sin->sin_addr.s_addr, dst,
-                      sizeof(sin->sin_addr.s_addr));
-               break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-       case AF_INET6:
-               sin6 = (struct sockaddr_in6 *)(rq + 1);
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               sin6->sin6_scope_id = 0;
-               memcpy(&sin6->sin6_addr.s6_addr, src,
-                      sizeof(sin6->sin6_addr.s6_addr));
-               sin6++;
-               sin6->sin6_family = AF_INET6;
-               sin6->sin6_port = 0;
-               sin6->sin6_flowinfo = 0;
-               sin6->sin6_scope_id = 0;
-               memcpy(&sin6->sin6_addr.s6_addr, dst,
-                      sizeof(sin6->sin6_addr.s6_addr));
-               break;
-#endif
-       default:
+       sa = (u8 *) (rq + 1);
+       if (!pfkey_sockaddr_fill(src, 0, (struct sockaddr *)sa, family) ||
+           !pfkey_sockaddr_fill(dst, 0, (struct sockaddr *)(sa + socklen), family))
                return -EINVAL;
-       }
 
        return 0;
 }