#include <linux/proc_fs.h>
#include <linux/init.h>
#include <net/net_namespace.h>
+#include <net/netns/generic.h>
#include <net/xfrm.h>
#include <net/sock.h>
#define _X2KEY(x) ((x) == XFRM_INF ? 0 : (x))
#define _KEY2X(x) ((x) == 0 ? XFRM_INF : (x))
-
-/* List of all pfkey sockets. */
-static HLIST_HEAD(pfkey_table);
+static int pfkey_net_id;
+struct netns_pfkey {
+ /* List of all pfkey sockets. */
+ struct hlist_head table;
+ atomic_t socks_nr;
+};
static DECLARE_WAIT_QUEUE_HEAD(pfkey_table_wait);
static DEFINE_RWLOCK(pfkey_table_lock);
static atomic_t pfkey_table_users = ATOMIC_INIT(0);
-static atomic_t pfkey_socks_nr = ATOMIC_INIT(0);
-
struct pfkey_sock {
/* struct sock must be the first member of struct pfkey_sock */
struct sock sk;
int registered;
int promisc;
+
+ struct {
+ uint8_t msg_version;
+ uint32_t msg_pid;
+ int (*dump)(struct pfkey_sock *sk);
+ void (*done)(struct pfkey_sock *sk);
+ union {
+ struct xfrm_policy_walk policy;
+ struct xfrm_state_walk state;
+ } u;
+ struct sk_buff *skb;
+ } dump;
};
static inline struct pfkey_sock *pfkey_sk(struct sock *sk)
return (struct pfkey_sock *)sk;
}
+static int pfkey_can_dump(struct sock *sk)
+{
+ if (3 * atomic_read(&sk->sk_rmem_alloc) <= 2 * sk->sk_rcvbuf)
+ return 1;
+ return 0;
+}
+
+static void pfkey_terminate_dump(struct pfkey_sock *pfk)
+{
+ if (pfk->dump.dump) {
+ if (pfk->dump.skb) {
+ kfree_skb(pfk->dump.skb);
+ pfk->dump.skb = NULL;
+ }
+ pfk->dump.done(pfk);
+ pfk->dump.dump = NULL;
+ pfk->dump.done = NULL;
+ }
+}
+
static void pfkey_sock_destruct(struct sock *sk)
{
+ struct net *net = sock_net(sk);
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
+
+ pfkey_terminate_dump(pfkey_sk(sk));
skb_queue_purge(&sk->sk_receive_queue);
if (!sock_flag(sk, SOCK_DEAD)) {
return;
}
- BUG_TRAP(!atomic_read(&sk->sk_rmem_alloc));
- BUG_TRAP(!atomic_read(&sk->sk_wmem_alloc));
+ WARN_ON(atomic_read(&sk->sk_rmem_alloc));
+ WARN_ON(atomic_read(&sk->sk_wmem_alloc));
- atomic_dec(&pfkey_socks_nr);
+ atomic_dec(&net_pfkey->socks_nr);
}
static void pfkey_table_grab(void)
static void pfkey_insert(struct sock *sk)
{
+ struct net *net = sock_net(sk);
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
+
pfkey_table_grab();
- sk_add_node(sk, &pfkey_table);
+ sk_add_node(sk, &net_pfkey->table);
pfkey_table_ungrab();
}
static int pfkey_create(struct net *net, struct socket *sock, int protocol)
{
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;
int err;
- if (net != &init_net)
- return -EAFNOSUPPORT;
-
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (sock->type != SOCK_RAW)
sk->sk_family = PF_KEY;
sk->sk_destruct = pfkey_sock_destruct;
- atomic_inc(&pfkey_socks_nr);
+ atomic_inc(&net_pfkey->socks_nr);
pfkey_insert(sk);
static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
int broadcast_flags, struct sock *one_sk)
{
+ struct net *net = &init_net;
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;
struct hlist_node *node;
struct sk_buff *skb2 = NULL;
return -ENOMEM;
pfkey_lock_table();
- sk_for_each(sk, node, &pfkey_table) {
+ sk_for_each(sk, node, &net_pfkey->table) {
struct pfkey_sock *pfk = pfkey_sk(sk);
int err2;
return err;
}
+static int pfkey_do_dump(struct pfkey_sock *pfk)
+{
+ struct sadb_msg *hdr;
+ int rc;
+
+ rc = pfk->dump.dump(pfk);
+ if (rc == -ENOBUFS)
+ return 0;
+
+ if (pfk->dump.skb) {
+ if (!pfkey_can_dump(&pfk->sk))
+ return 0;
+
+ hdr = (struct sadb_msg *) pfk->dump.skb->data;
+ hdr->sadb_msg_seq = 0;
+ hdr->sadb_msg_errno = rc;
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = NULL;
+ }
+
+ pfkey_terminate_dump(pfk);
+ return rc;
+}
+
static inline void pfkey_hdr_dup(struct sadb_msg *new, struct sadb_msg *orig)
{
*new = *orig;
[SADB_X_EXT_NAT_T_DPORT] = (u8) sizeof(struct sadb_x_nat_t_port),
[SADB_X_EXT_NAT_T_OA] = (u8) sizeof(struct sadb_address),
[SADB_X_EXT_SEC_CTX] = (u8) sizeof(struct sadb_x_sec_ctx),
+ [SADB_X_EXT_KMADDRESS] = (u8) sizeof(struct sadb_x_kmaddress),
};
/* Verify sadb_address_{len,prefixlen} against sa_family. */
return (proto ? proto : IPSEC_PROTO_ANY);
}
-static int pfkey_sadb_addr2xfrm_addr(struct sadb_address *addr,
- xfrm_address_t *xaddr)
+static inline int pfkey_sockaddr_len(sa_family_t family)
+{
+ switch (family) {
+ case AF_INET:
+ return sizeof(struct sockaddr_in);
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ case AF_INET6:
+ return sizeof(struct sockaddr_in6);
+#endif
+ }
+ return 0;
+}
+
+static
+int pfkey_sockaddr_extract(const struct sockaddr *sa, xfrm_address_t *xaddr)
{
- switch (((struct sockaddr*)(addr + 1))->sa_family) {
+ switch (sa->sa_family) {
case AF_INET:
xaddr->a4 =
- ((struct sockaddr_in *)(addr + 1))->sin_addr.s_addr;
+ ((struct sockaddr_in *)sa)->sin_addr.s_addr;
return AF_INET;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case AF_INET6:
memcpy(xaddr->a6,
- &((struct sockaddr_in6 *)(addr + 1))->sin6_addr,
+ &((struct sockaddr_in6 *)sa)->sin6_addr,
sizeof(struct in6_addr));
return AF_INET6;
#endif
- default:
- return 0;
}
- /* NOTREACHED */
+ return 0;
+}
+
+static
+int pfkey_sadb_addr2xfrm_addr(struct sadb_address *addr, xfrm_address_t *xaddr)
+{
+ return pfkey_sockaddr_extract((struct sockaddr *)(addr + 1),
+ xaddr);
}
static struct xfrm_state *pfkey_xfrm_state_lookup(struct sadb_msg *hdr, void **ext_hdrs)
if (!xaddr)
return NULL;
- return xfrm_state_lookup(xaddr, sa->sadb_sa_spi, proto, family);
+ return xfrm_state_lookup(&init_net, xaddr, sa->sadb_sa_spi, proto, family);
}
#define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
+
static int
pfkey_sockaddr_size(sa_family_t family)
{
- switch (family) {
- case AF_INET:
- return PFKEY_ALIGN8(sizeof(struct sockaddr_in));
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- case AF_INET6:
- return PFKEY_ALIGN8(sizeof(struct sockaddr_in6));
-#endif
- default:
- return 0;
- }
- /* NOTREACHED */
+ return PFKEY_ALIGN8(pfkey_sockaddr_len(family));
}
static inline int pfkey_mode_from_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)
{
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;
}
/* identity & sensitivity */
-
- if ((x->props.family == AF_INET &&
- x->sel.saddr.a4 != x->props.saddr.a4)
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- || (x->props.family == AF_INET6 &&
- memcmp (x->sel.saddr.a6, x->props.saddr.a6, sizeof (struct in6_addr)))
-#endif
- )
+ if (xfrm_addr_cmp(&x->sel.saddr, &x->props.saddr, x->props.family))
size += sizeof(struct sadb_address) + sockaddr_size;
if (add_keys) {
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 */
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) {
(key->sadb_key_bits+7) / 8 > key->sadb_key_len * sizeof(uint64_t)))
return ERR_PTR(-EINVAL);
- x = xfrm_state_alloc();
+ x = xfrm_state_alloc(&init_net);
if (x == NULL)
return ERR_PTR(-ENOBUFS);
x->sel.prefixlen_s = addr->sadb_address_prefixlen;
}
- if (x->props.mode == XFRM_MODE_TRANSPORT)
+ if (!x->sel.family)
x->sel.family = x->props.family;
if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {
}
if (hdr->sadb_msg_seq) {
- x = xfrm_find_acq_byseq(hdr->sadb_msg_seq);
+ x = xfrm_find_acq_byseq(&init_net, hdr->sadb_msg_seq);
if (x && xfrm_addr_cmp(&x->id.daddr, xdaddr, family)) {
xfrm_state_put(x);
x = NULL;
}
if (!x)
- x = xfrm_find_acq(mode, reqid, proto, xdaddr, xsaddr, 1, family);
+ x = xfrm_find_acq(&init_net, mode, reqid, proto, xdaddr, xsaddr, 1, family);
if (x == NULL)
return -ENOENT;
if (hdr->sadb_msg_seq == 0 || hdr->sadb_msg_errno == 0)
return 0;
- x = xfrm_find_acq_byseq(hdr->sadb_msg_seq);
+ x = xfrm_find_acq_byseq(&init_net, hdr->sadb_msg_seq);
if (x == NULL)
return 0;
spin_lock_bh(&x->lock);
if (x->km.state == XFRM_STATE_ACQ) {
x->km.state = XFRM_STATE_ERROR;
- wake_up(&km_waitq);
+ wake_up(&init_net.xfrm.km_waitq);
}
spin_unlock_bh(&x->lock);
xfrm_state_put(x);
err = xfrm_state_update(x);
xfrm_audit_state_add(x, err ? 0 : 1,
- audit_get_loginuid(current), 0);
+ audit_get_loginuid(current),
+ audit_get_sessionid(current), 0);
if (err < 0) {
x->km.state = XFRM_STATE_DEAD;
km_state_notify(x, &c);
out:
xfrm_audit_state_delete(x, err ? 0 : 1,
- audit_get_loginuid(current), 0);
+ audit_get_loginuid(current),
+ audit_get_sessionid(current), 0);
xfrm_state_put(x);
return err;
return -EINVAL;
audit_info.loginuid = audit_get_loginuid(current);
+ audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
- err = xfrm_state_flush(proto, &audit_info);
+ err = xfrm_state_flush(&init_net, proto, &audit_info);
if (err)
return err;
c.data.proto = proto;
c.seq = hdr->sadb_msg_seq;
c.pid = hdr->sadb_msg_pid;
c.event = XFRM_MSG_FLUSHSA;
+ c.net = &init_net;
km_state_notify(NULL, &c);
return 0;
}
-struct pfkey_dump_data
-{
- struct sk_buff *skb;
- struct sadb_msg *hdr;
- struct sock *sk;
-};
-
static int dump_sa(struct xfrm_state *x, int count, void *ptr)
{
- struct pfkey_dump_data *data = ptr;
+ struct pfkey_sock *pfk = ptr;
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
+ if (!pfkey_can_dump(&pfk->sk))
+ return -ENOBUFS;
+
out_skb = pfkey_xfrm_state2msg(x);
if (IS_ERR(out_skb))
return PTR_ERR(out_skb);
out_hdr = (struct sadb_msg *) out_skb->data;
- out_hdr->sadb_msg_version = data->hdr->sadb_msg_version;
+ out_hdr->sadb_msg_version = pfk->dump.msg_version;
out_hdr->sadb_msg_type = SADB_DUMP;
out_hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto);
out_hdr->sadb_msg_errno = 0;
out_hdr->sadb_msg_reserved = 0;
- out_hdr->sadb_msg_seq = count;
- out_hdr->sadb_msg_pid = data->hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, data->sk);
+ out_hdr->sadb_msg_seq = count + 1;
+ out_hdr->sadb_msg_pid = pfk->dump.msg_pid;
+
+ if (pfk->dump.skb)
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = out_skb;
+
return 0;
}
+static int pfkey_dump_sa(struct pfkey_sock *pfk)
+{
+ return xfrm_state_walk(&init_net, &pfk->dump.u.state, dump_sa, (void *) pfk);
+}
+
+static void pfkey_dump_sa_done(struct pfkey_sock *pfk)
+{
+ xfrm_state_walk_done(&pfk->dump.u.state);
+}
+
static int pfkey_dump(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
u8 proto;
- struct pfkey_dump_data data = { .skb = skb, .hdr = hdr, .sk = sk };
+ struct pfkey_sock *pfk = pfkey_sk(sk);
+
+ if (pfk->dump.dump != NULL)
+ return -EBUSY;
proto = pfkey_satype2proto(hdr->sadb_msg_satype);
if (proto == 0)
return -EINVAL;
- return xfrm_state_walk(proto, dump_sa, &data);
+ pfk->dump.msg_version = hdr->sadb_msg_version;
+ pfk->dump.msg_pid = hdr->sadb_msg_pid;
+ pfk->dump.dump = pfkey_dump_sa;
+ pfk->dump.done = pfkey_dump_sa_done;
+ xfrm_state_walk_init(&pfk->dump.u.state, proto);
+
+ return pfkey_do_dump(pfk);
}
static int pfkey_promisc(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
static u32 gen_reqid(void)
{
+ struct xfrm_policy_walk walk;
u32 start;
+ int rc;
static u32 reqid = IPSEC_MANUAL_REQID_MAX;
start = reqid;
++reqid;
if (reqid == 0)
reqid = IPSEC_MANUAL_REQID_MAX+1;
- if (xfrm_policy_walk(XFRM_POLICY_TYPE_MAIN, check_reqid,
- (void*)&reqid) != -EEXIST)
+ xfrm_policy_walk_init(&walk, XFRM_POLICY_TYPE_MAIN);
+ rc = xfrm_policy_walk(&init_net, &walk, check_reqid, (void*)&reqid);
+ xfrm_policy_walk_done(&walk);
+ if (rc != -EEXIST)
return reqid;
} while (reqid != start);
return 0;
parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq)
{
struct xfrm_tmpl *t = xp->xfrm_vec + xp->xfrm_nr;
- struct sockaddr_in *sin;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- struct sockaddr_in6 *sin6;
-#endif
int mode;
if (xp->xfrm_nr >= XFRM_MAX_DEPTH)
/* addresses present only in tunnel mode */
if (t->mode == XFRM_MODE_TUNNEL) {
- struct sockaddr *sa;
- sa = (struct sockaddr *)(rq+1);
- switch(sa->sa_family) {
- case AF_INET:
- sin = (struct sockaddr_in*)sa;
- t->saddr.a4 = sin->sin_addr.s_addr;
- sin++;
- if (sin->sin_family != AF_INET)
- return -EINVAL;
- t->id.daddr.a4 = sin->sin_addr.s_addr;
- break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- case AF_INET6:
- sin6 = (struct sockaddr_in6*)sa;
- memcpy(t->saddr.a6, &sin6->sin6_addr, sizeof(struct in6_addr));
- sin6++;
- if (sin6->sin6_family != AF_INET6)
- return -EINVAL;
- memcpy(t->id.daddr.a6, &sin6->sin6_addr, sizeof(struct in6_addr));
- break;
-#endif
- default:
+ u8 *sa = (u8 *) (rq + 1);
+ int family, socklen;
+
+ family = pfkey_sockaddr_extract((struct sockaddr *)sa,
+ &t->saddr);
+ if (!family)
return -EINVAL;
- }
- t->encap_family = sa->sa_family;
+
+ socklen = pfkey_sockaddr_len(family);
+ if (pfkey_sockaddr_extract((struct sockaddr *)(sa + socklen),
+ &t->id.daddr) != family)
+ return -EINVAL;
+ t->encap_family = family;
} else
t->encap_family = xp->family;
/* No way to set this via kame pfkey */
- t->aalgos = t->ealgos = t->calgos = ~0;
+ t->allalgs = 1;
xp->xfrm_nr++;
return 0;
}
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));
+ socklen += pfkey_sockaddr_len(t->encap_family);
}
return sizeof(struct sadb_msg) +
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);
- int socklen = (xp->family == AF_INET ?
- sizeof(struct sockaddr_in) :
- sizeof(struct sockaddr_in6));
+ int socklen = pfkey_sockaddr_len(xp->family);
size = pfkey_xfrm_policy2msg_size(xp);
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 */
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,
int mode;
req_size = sizeof(struct sadb_x_ipsecrequest);
- if (t->mode == XFRM_MODE_TUNNEL)
- req_size += ((t->encap_family == AF_INET ?
- sizeof(struct sockaddr_in) :
- sizeof(struct sockaddr_in6)) * 2);
- else
+ if (t->mode == XFRM_MODE_TUNNEL) {
+ socklen = pfkey_sockaddr_len(t->encap_family);
+ req_size += socklen * 2;
+ } else {
size -= 2*socklen;
+ }
rq = (void*)skb_put(skb, req_size);
pol->sadb_x_policy_len += req_size/8;
memset(rq, 0, sizeof(*rq));
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);
}
}
if (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir >= IPSEC_DIR_MAX)
return -EINVAL;
- xp = xfrm_policy_alloc(GFP_KERNEL);
+ xp = xfrm_policy_alloc(&init_net, GFP_KERNEL);
if (xp == NULL)
return -ENOBUFS;
goto out;
}
- err = security_xfrm_policy_alloc(xp, uctx);
+ err = security_xfrm_policy_alloc(&xp->security, uctx);
kfree(uctx);
if (err)
hdr->sadb_msg_type != SADB_X_SPDUPDATE);
xfrm_audit_policy_add(xp, err ? 0 : 1,
- audit_get_loginuid(current), 0);
+ audit_get_loginuid(current),
+ audit_get_sessionid(current), 0);
if (err)
goto out;
return 0;
out:
- xp->dead = 1;
+ xp->walk.dead = 1;
xfrm_policy_destroy(xp);
return err;
}
int err;
struct sadb_address *sa;
struct sadb_x_policy *pol;
- struct xfrm_policy *xp, tmp;
+ struct xfrm_policy *xp;
struct xfrm_selector sel;
struct km_event c;
struct sadb_x_sec_ctx *sec_ctx;
+ struct xfrm_sec_ctx *pol_ctx = NULL;
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
ext_hdrs[SADB_EXT_ADDRESS_DST-1]) ||
sel.dport_mask = htons(0xffff);
sec_ctx = (struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
- memset(&tmp, 0, sizeof(struct xfrm_policy));
-
if (sec_ctx != NULL) {
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
if (!uctx)
return -ENOMEM;
- err = security_xfrm_policy_alloc(&tmp, uctx);
+ err = security_xfrm_policy_alloc(&pol_ctx, uctx);
kfree(uctx);
-
if (err)
return err;
}
- xp = xfrm_policy_bysel_ctx(XFRM_POLICY_TYPE_MAIN, pol->sadb_x_policy_dir-1,
- &sel, tmp.security, 1, &err);
- security_xfrm_policy_free(&tmp);
-
+ xp = xfrm_policy_bysel_ctx(&init_net, XFRM_POLICY_TYPE_MAIN,
+ pol->sadb_x_policy_dir - 1, &sel, pol_ctx,
+ 1, &err);
+ security_xfrm_policy_free(pol_ctx);
if (xp == NULL)
return -ENOENT;
xfrm_audit_policy_delete(xp, err ? 0 : 1,
- audit_get_loginuid(current), 0);
+ audit_get_loginuid(current),
+ audit_get_sessionid(current), 0);
if (err)
goto out;
c.seq = hdr->sadb_msg_seq;
c.pid = hdr->sadb_msg_pid;
+ c.data.byid = 0;
c.event = XFRM_MSG_DELPOLICY;
km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c);
#ifdef CONFIG_NET_KEY_MIGRATE
static int pfkey_sockaddr_pair_size(sa_family_t family)
{
- switch (family) {
- case AF_INET:
- return PFKEY_ALIGN8(sizeof(struct sockaddr_in) * 2);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- case AF_INET6:
- return PFKEY_ALIGN8(sizeof(struct sockaddr_in6) * 2);
-#endif
- default:
- return 0;
- }
- /* NOTREACHED */
+ return PFKEY_ALIGN8(pfkey_sockaddr_len(family) * 2);
}
-static int parse_sockaddr_pair(struct sadb_x_ipsecrequest *rq,
+static int parse_sockaddr_pair(struct sockaddr *sa, int ext_len,
xfrm_address_t *saddr, xfrm_address_t *daddr,
u16 *family)
{
- struct sockaddr *sa = (struct sockaddr *)(rq + 1);
- if (rq->sadb_x_ipsecrequest_len <
- pfkey_sockaddr_pair_size(sa->sa_family))
+ int af, socklen;
+
+ if (ext_len < pfkey_sockaddr_pair_size(sa->sa_family))
return -EINVAL;
- switch (sa->sa_family) {
- case AF_INET:
- {
- struct sockaddr_in *sin;
- sin = (struct sockaddr_in *)sa;
- if ((sin+1)->sin_family != AF_INET)
- return -EINVAL;
- memcpy(&saddr->a4, &sin->sin_addr, sizeof(saddr->a4));
- sin++;
- memcpy(&daddr->a4, &sin->sin_addr, sizeof(daddr->a4));
- *family = AF_INET;
- break;
- }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- case AF_INET6:
- {
- struct sockaddr_in6 *sin6;
- sin6 = (struct sockaddr_in6 *)sa;
- if ((sin6+1)->sin6_family != AF_INET6)
- return -EINVAL;
- memcpy(&saddr->a6, &sin6->sin6_addr,
- sizeof(saddr->a6));
- sin6++;
- memcpy(&daddr->a6, &sin6->sin6_addr,
- sizeof(daddr->a6));
- *family = AF_INET6;
- break;
- }
-#endif
- default:
+ af = pfkey_sockaddr_extract(sa, saddr);
+ if (!af)
+ return -EINVAL;
+
+ socklen = pfkey_sockaddr_len(af);
+ if (pfkey_sockaddr_extract((struct sockaddr *) (((u8 *)sa) + socklen),
+ daddr) != af)
return -EINVAL;
- }
+ *family = af;
return 0;
}
return -EINVAL;
/* old endoints */
- err = parse_sockaddr_pair(rq1, &m->old_saddr, &m->old_daddr,
+ err = parse_sockaddr_pair((struct sockaddr *)(rq1 + 1),
+ rq1->sadb_x_ipsecrequest_len,
+ &m->old_saddr, &m->old_daddr,
&m->old_family);
if (err)
return err;
return -EINVAL;
/* new endpoints */
- err = parse_sockaddr_pair(rq2, &m->new_saddr, &m->new_daddr,
+ err = parse_sockaddr_pair((struct sockaddr *)(rq2 + 1),
+ rq2->sadb_x_ipsecrequest_len,
+ &m->new_saddr, &m->new_daddr,
&m->new_family);
if (err)
return err;
int i, len, ret, err = -EINVAL;
u8 dir;
struct sadb_address *sa;
+ struct sadb_x_kmaddress *kma;
struct sadb_x_policy *pol;
struct sadb_x_ipsecrequest *rq;
struct xfrm_selector sel;
struct xfrm_migrate m[XFRM_MAX_DEPTH];
+ struct xfrm_kmaddress k;
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC - 1],
- ext_hdrs[SADB_EXT_ADDRESS_DST - 1]) ||
+ ext_hdrs[SADB_EXT_ADDRESS_DST - 1]) ||
!ext_hdrs[SADB_X_EXT_POLICY - 1]) {
err = -EINVAL;
goto out;
}
+ kma = ext_hdrs[SADB_X_EXT_KMADDRESS - 1];
pol = ext_hdrs[SADB_X_EXT_POLICY - 1];
- if (!pol) {
- err = -EINVAL;
- goto out;
- }
if (pol->sadb_x_policy_dir >= IPSEC_DIR_MAX) {
err = -EINVAL;
goto out;
}
+ if (kma) {
+ /* convert sadb_x_kmaddress to xfrm_kmaddress */
+ k.reserved = kma->sadb_x_kmaddress_reserved;
+ ret = parse_sockaddr_pair((struct sockaddr *)(kma + 1),
+ 8*(kma->sadb_x_kmaddress_len) - sizeof(*kma),
+ &k.local, &k.remote, &k.family);
+ if (ret < 0) {
+ err = ret;
+ goto out;
+ }
+ }
+
dir = pol->sadb_x_policy_dir - 1;
memset(&sel, 0, sizeof(sel));
goto out;
}
- return xfrm_migrate(&sel, dir, XFRM_POLICY_TYPE_MAIN, m, i);
+ return xfrm_migrate(&sel, dir, XFRM_POLICY_TYPE_MAIN, m, i,
+ kma ? &k : NULL);
out:
return err;
return -EINVAL;
delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2);
- xp = xfrm_policy_byid(XFRM_POLICY_TYPE_MAIN, dir, pol->sadb_x_policy_id,
- delete, &err);
+ xp = xfrm_policy_byid(&init_net, XFRM_POLICY_TYPE_MAIN, dir,
+ pol->sadb_x_policy_id, delete, &err);
if (xp == NULL)
return -ENOENT;
if (delete) {
xfrm_audit_policy_delete(xp, err ? 0 : 1,
- audit_get_loginuid(current), 0);
+ audit_get_loginuid(current),
+ audit_get_sessionid(current), 0);
if (err)
goto out;
static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr)
{
- struct pfkey_dump_data *data = ptr;
+ struct pfkey_sock *pfk = ptr;
struct sk_buff *out_skb;
struct sadb_msg *out_hdr;
int err;
+ if (!pfkey_can_dump(&pfk->sk))
+ return -ENOBUFS;
+
out_skb = pfkey_xfrm_policy2msg_prep(xp);
if (IS_ERR(out_skb))
return PTR_ERR(out_skb);
return err;
out_hdr = (struct sadb_msg *) out_skb->data;
- out_hdr->sadb_msg_version = data->hdr->sadb_msg_version;
+ out_hdr->sadb_msg_version = pfk->dump.msg_version;
out_hdr->sadb_msg_type = SADB_X_SPDDUMP;
out_hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
out_hdr->sadb_msg_errno = 0;
- out_hdr->sadb_msg_seq = count;
- out_hdr->sadb_msg_pid = data->hdr->sadb_msg_pid;
- pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, data->sk);
+ out_hdr->sadb_msg_seq = count + 1;
+ out_hdr->sadb_msg_pid = pfk->dump.msg_pid;
+
+ if (pfk->dump.skb)
+ pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ &pfk->sk);
+ pfk->dump.skb = out_skb;
+
return 0;
}
+static int pfkey_dump_sp(struct pfkey_sock *pfk)
+{
+ return xfrm_policy_walk(&init_net, &pfk->dump.u.policy, dump_sp, (void *) pfk);
+}
+
+static void pfkey_dump_sp_done(struct pfkey_sock *pfk)
+{
+ xfrm_policy_walk_done(&pfk->dump.u.policy);
+}
+
static int pfkey_spddump(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, void **ext_hdrs)
{
- struct pfkey_dump_data data = { .skb = skb, .hdr = hdr, .sk = sk };
+ struct pfkey_sock *pfk = pfkey_sk(sk);
+
+ if (pfk->dump.dump != NULL)
+ return -EBUSY;
+
+ pfk->dump.msg_version = hdr->sadb_msg_version;
+ pfk->dump.msg_pid = hdr->sadb_msg_pid;
+ pfk->dump.dump = pfkey_dump_sp;
+ pfk->dump.done = pfkey_dump_sp_done;
+ xfrm_policy_walk_init(&pfk->dump.u.policy, XFRM_POLICY_TYPE_MAIN);
- return xfrm_policy_walk(XFRM_POLICY_TYPE_MAIN, dump_sp, &data);
+ return pfkey_do_dump(pfk);
}
static int key_notify_policy_flush(struct km_event *c)
int err;
audit_info.loginuid = audit_get_loginuid(current);
+ audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
- err = xfrm_policy_flush(XFRM_POLICY_TYPE_MAIN, &audit_info);
+ err = xfrm_policy_flush(&init_net, XFRM_POLICY_TYPE_MAIN, &audit_info);
if (err)
return err;
c.data.type = XFRM_POLICY_TYPE_MAIN;
c.event = XFRM_MSG_FLUSHPOLICY;
c.pid = hdr->sadb_msg_pid;
c.seq = hdr->sadb_msg_seq;
+ c.net = &init_net;
km_policy_notify(NULL, 0, &c);
return 0;
static int pfkey_send_notify(struct xfrm_state *x, struct km_event *c)
{
+ struct net *net = &init_net;
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
+
+ if (atomic_read(&net_pfkey->socks_nr) == 0)
+ return 0;
+
switch (c->event) {
case XFRM_MSG_EXPIRE:
return key_notify_sa_expire(x, c);
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;
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 */
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));
(!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir > IPSEC_DIR_OUTBOUND))
return NULL;
- xp = xfrm_policy_alloc(GFP_ATOMIC);
+ xp = xfrm_policy_alloc(&init_net, GFP_ATOMIC);
if (xp == NULL) {
*dir = -ENOBUFS;
return NULL;
if ((*dir = verify_sec_ctx_len(p)))
goto out;
uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
- *dir = security_xfrm_policy_alloc(xp, uctx);
+ *dir = security_xfrm_policy_alloc(&xp->security, uctx);
kfree(uctx);
if (*dir)
return xp;
out:
+ xp->walk.dead = 1;
xfrm_policy_destroy(xp);
return NULL;
}
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);
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) */
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) */
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;
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;
return 0;
}
+
+static int set_sadb_kmaddress(struct sk_buff *skb, struct xfrm_kmaddress *k)
+{
+ struct sadb_x_kmaddress *kma;
+ u8 *sa;
+ int family = k->family;
+ int socklen = pfkey_sockaddr_len(family);
+ int size_req;
+
+ size_req = (sizeof(struct sadb_x_kmaddress) +
+ pfkey_sockaddr_pair_size(family));
+
+ kma = (struct sadb_x_kmaddress *)skb_put(skb, size_req);
+ memset(kma, 0, size_req);
+ kma->sadb_x_kmaddress_len = size_req / 8;
+ kma->sadb_x_kmaddress_exttype = SADB_X_EXT_KMADDRESS;
+ kma->sadb_x_kmaddress_reserved = k->reserved;
+
+ sa = (u8 *)(kma + 1);
+ if (!pfkey_sockaddr_fill(&k->local, 0, (struct sockaddr *)sa, family) ||
+ !pfkey_sockaddr_fill(&k->remote, 0, (struct sockaddr *)(sa+socklen), family))
+ return -EINVAL;
+
+ return 0;
+}
+
static int set_ipsecrequest(struct sk_buff *skb,
uint8_t proto, uint8_t mode, int level,
uint32_t reqid, uint8_t family,
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) +
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;
}
#ifdef CONFIG_NET_KEY_MIGRATE
static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_bundles)
+ struct xfrm_migrate *m, int num_bundles,
+ struct xfrm_kmaddress *k)
{
int i;
int sasize_sel;
if (num_bundles <= 0 || num_bundles > XFRM_MAX_DEPTH)
return -EINVAL;
+ if (k != NULL) {
+ /* addresses for KM */
+ size += PFKEY_ALIGN8(sizeof(struct sadb_x_kmaddress) +
+ pfkey_sockaddr_pair_size(k->family));
+ }
+
/* selector */
sasize_sel = pfkey_sockaddr_size(sel->family);
if (!sasize_sel)
hdr->sadb_msg_seq = 0;
hdr->sadb_msg_pid = 0;
+ /* Addresses to be used by KM for negotiation, if ext is available */
+ if (k != NULL && (set_sadb_kmaddress(skb, k) < 0))
+ return -EINVAL;
+
/* selector src */
set_sadb_address(skb, sasize_sel, SADB_EXT_ADDRESS_SRC, sel);
}
#else
static int pfkey_send_migrate(struct xfrm_selector *sel, u8 dir, u8 type,
- struct xfrm_migrate *m, int num_bundles)
+ struct xfrm_migrate *m, int num_bundles,
+ struct xfrm_kmaddress *k)
{
return -ENOPROTOOPT;
}
int flags)
{
struct sock *sk = sock->sk;
+ struct pfkey_sock *pfk = pfkey_sk(sk);
struct sk_buff *skb;
int copied, err;
err = (flags & MSG_TRUNC) ? skb->len : copied;
+ if (pfk->dump.dump != NULL &&
+ 3 * atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf)
+ pfkey_do_dump(pfk);
+
out_free:
skb_free_datagram(sk, skb);
out:
static void *pfkey_seq_start(struct seq_file *f, loff_t *ppos)
{
+ struct net *net = &init_net;
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *s;
struct hlist_node *node;
loff_t pos = *ppos;
if (pos == 0)
return SEQ_START_TOKEN;
- sk_for_each(s, node, &pfkey_table)
+ sk_for_each(s, node, &net_pfkey->table)
if (pos-- == 1)
return s;
static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos)
{
+ struct net *net = &init_net;
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
+
++*ppos;
return (v == SEQ_START_TOKEN) ?
- sk_head(&pfkey_table) :
+ sk_head(&net_pfkey->table) :
sk_next((struct sock *)v);
}
.migrate = pfkey_send_migrate,
};
+static int __net_init pfkey_net_init(struct net *net)
+{
+ struct netns_pfkey *net_pfkey;
+ int rv;
+
+ net_pfkey = kmalloc(sizeof(struct netns_pfkey), GFP_KERNEL);
+ if (!net_pfkey) {
+ rv = -ENOMEM;
+ goto out_kmalloc;
+ }
+ INIT_HLIST_HEAD(&net_pfkey->table);
+ atomic_set(&net_pfkey->socks_nr, 0);
+ rv = net_assign_generic(net, pfkey_net_id, net_pfkey);
+ if (rv < 0)
+ goto out_assign;
+ return 0;
+
+out_assign:
+ kfree(net_pfkey);
+out_kmalloc:
+ return rv;
+}
+
+static void __net_exit pfkey_net_exit(struct net *net)
+{
+ struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
+
+ BUG_ON(!hlist_empty(&net_pfkey->table));
+ kfree(net_pfkey);
+}
+
+static struct pernet_operations pfkey_net_ops = {
+ .init = pfkey_net_init,
+ .exit = pfkey_net_exit,
+};
+
static void __exit ipsec_pfkey_exit(void)
{
+ unregister_pernet_gen_subsys(pfkey_net_id, &pfkey_net_ops);
xfrm_unregister_km(&pfkeyv2_mgr);
pfkey_exit_proc();
sock_unregister(PF_KEY);
err = xfrm_register_km(&pfkeyv2_mgr);
if (err != 0)
goto out_remove_proc_entry;
+ err = register_pernet_gen_subsys(&pfkey_net_id, &pfkey_net_ops);
+ if (err != 0)
+ goto out_xfrm_unregister_km;
out:
return err;
+out_xfrm_unregister_km:
+ xfrm_unregister_km(&pfkeyv2_mgr);
out_remove_proc_entry:
pfkey_exit_proc();
out_sock_unregister:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff