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net/key/af_key.c
101 KB
1da177e4c Linux-2.6.12-rc2 |
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/* * net/key/af_key.c An implementation of PF_KEYv2 sockets. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Authors: Maxim Giryaev <gem@asplinux.ru> * David S. Miller <davem@redhat.com> * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> * Kunihiro Ishiguro <kunihiro@ipinfusion.com> * Kazunori MIYAZAWA / USAGI Project <miyazawa@linux-ipv6.org> * Derek Atkins <derek@ihtfp.com> */ |
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#include <linux/capability.h> |
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#include <linux/module.h> #include <linux/kernel.h> #include <linux/socket.h> #include <linux/pfkeyv2.h> #include <linux/ipsec.h> #include <linux/skbuff.h> #include <linux/rtnetlink.h> #include <linux/in.h> #include <linux/in6.h> #include <linux/proc_fs.h> #include <linux/init.h> |
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#include <linux/slab.h> |
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#include <net/net_namespace.h> |
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#include <net/netns/generic.h> |
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#include <net/xfrm.h> #include <net/sock.h> #define _X2KEY(x) ((x) == XFRM_INF ? 0 : (x)) #define _KEY2X(x) ((x) == 0 ? XFRM_INF : (x)) |
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static unsigned int pfkey_net_id __read_mostly; |
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struct netns_pfkey { /* List of all pfkey sockets. */ struct hlist_head table; atomic_t socks_nr; }; |
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static DEFINE_MUTEX(pfkey_mutex); |
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|
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#define DUMMY_MARK 0 |
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static const struct xfrm_mark dummy_mark = {0, 0}; |
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struct pfkey_sock { /* struct sock must be the first member of struct pfkey_sock */ struct sock sk; int registered; int promisc; |
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struct { uint8_t msg_version; |
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uint32_t msg_portid; |
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int (*dump)(struct pfkey_sock *sk); void (*done)(struct pfkey_sock *sk); union { struct xfrm_policy_walk policy; struct xfrm_state_walk state; } u; |
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struct sk_buff *skb; |
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} dump; |
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struct mutex dump_lock; |
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}; |
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static int parse_sockaddr_pair(struct sockaddr *sa, int ext_len, xfrm_address_t *saddr, xfrm_address_t *daddr, u16 *family); |
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static inline struct pfkey_sock *pfkey_sk(struct sock *sk) { return (struct pfkey_sock *)sk; } |
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static int pfkey_can_dump(const struct sock *sk) |
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{ if (3 * atomic_read(&sk->sk_rmem_alloc) <= 2 * sk->sk_rcvbuf) return 1; return 0; } |
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static void pfkey_terminate_dump(struct pfkey_sock *pfk) |
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{ |
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if (pfk->dump.dump) { |
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if (pfk->dump.skb) { kfree_skb(pfk->dump.skb); pfk->dump.skb = NULL; } |
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pfk->dump.done(pfk); pfk->dump.dump = NULL; pfk->dump.done = NULL; } |
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} |
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static void pfkey_sock_destruct(struct sock *sk) { |
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struct net *net = sock_net(sk); struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
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pfkey_terminate_dump(pfkey_sk(sk)); |
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skb_queue_purge(&sk->sk_receive_queue); if (!sock_flag(sk, SOCK_DEAD)) { |
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pr_err("Attempt to release alive pfkey socket: %p ", sk); |
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return; } |
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WARN_ON(atomic_read(&sk->sk_rmem_alloc)); |
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WARN_ON(refcount_read(&sk->sk_wmem_alloc)); |
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|
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atomic_dec(&net_pfkey->socks_nr); |
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} |
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static const struct proto_ops pfkey_ops; |
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static void pfkey_insert(struct sock *sk) { |
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struct net *net = sock_net(sk); struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
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mutex_lock(&pfkey_mutex); sk_add_node_rcu(sk, &net_pfkey->table); mutex_unlock(&pfkey_mutex); |
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} static void pfkey_remove(struct sock *sk) { |
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mutex_lock(&pfkey_mutex); sk_del_node_init_rcu(sk); mutex_unlock(&pfkey_mutex); |
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} static struct proto key_proto = { .name = "KEY", .owner = THIS_MODULE, .obj_size = sizeof(struct pfkey_sock), }; |
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static int pfkey_create(struct net *net, struct socket *sock, int protocol, int kern) |
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{ |
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struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
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struct sock *sk; |
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struct pfkey_sock *pfk; |
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int err; |
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if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) |
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return -EPERM; if (sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; if (protocol != PF_KEY_V2) return -EPROTONOSUPPORT; err = -ENOMEM; |
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sk = sk_alloc(net, PF_KEY, GFP_KERNEL, &key_proto, kern); |
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if (sk == NULL) goto out; |
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|
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pfk = pfkey_sk(sk); mutex_init(&pfk->dump_lock); |
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sock->ops = &pfkey_ops; sock_init_data(sock, sk); sk->sk_family = PF_KEY; sk->sk_destruct = pfkey_sock_destruct; |
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atomic_inc(&net_pfkey->socks_nr); |
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pfkey_insert(sk); return 0; out: return err; } static int pfkey_release(struct socket *sock) { struct sock *sk = sock->sk; if (!sk) return 0; pfkey_remove(sk); sock_orphan(sk); sock->sk = NULL; skb_queue_purge(&sk->sk_write_queue); |
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synchronize_rcu(); |
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sock_put(sk); return 0; } static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2, |
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gfp_t allocation, struct sock *sk) |
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{ int err = -ENOBUFS; sock_hold(sk); if (*skb2 == NULL) { |
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if (refcount_read(&skb->users) != 1) { |
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*skb2 = skb_clone(skb, allocation); } else { *skb2 = skb; |
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refcount_inc(&skb->users); |
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} } if (*skb2 != NULL) { if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf) { |
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skb_set_owner_r(*skb2, sk); skb_queue_tail(&sk->sk_receive_queue, *skb2); |
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sk->sk_data_ready(sk); |
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*skb2 = NULL; err = 0; } } sock_put(sk); return err; } /* Send SKB to all pfkey sockets matching selected criteria. */ #define BROADCAST_ALL 0 #define BROADCAST_ONE 1 #define BROADCAST_REGISTERED 2 #define BROADCAST_PROMISC_ONLY 4 |
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static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, |
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int broadcast_flags, struct sock *one_sk, struct net *net) |
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{ |
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struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
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struct sock *sk; |
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struct sk_buff *skb2 = NULL; int err = -ESRCH; /* XXX Do we need something like netlink_overrun? I think * XXX PF_KEY socket apps will not mind current behavior. */ if (!skb) return -ENOMEM; |
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rcu_read_lock(); |
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sk_for_each_rcu(sk, &net_pfkey->table) { |
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struct pfkey_sock *pfk = pfkey_sk(sk); int err2; /* Yes, it means that if you are meant to receive this * pfkey message you receive it twice as promiscuous * socket. */ if (pfk->promisc) |
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pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk); |
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/* the exact target will be processed later */ if (sk == one_sk) continue; if (broadcast_flags != BROADCAST_ALL) { if (broadcast_flags & BROADCAST_PROMISC_ONLY) continue; if ((broadcast_flags & BROADCAST_REGISTERED) && !pfk->registered) continue; if (broadcast_flags & BROADCAST_ONE) continue; } |
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err2 = pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk); |
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|
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/* Error is cleared after successful sending to at least one |
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* registered KM */ if ((broadcast_flags & BROADCAST_REGISTERED) && err) err = err2; } |
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rcu_read_unlock(); |
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if (one_sk != NULL) |
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err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk); |
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|
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kfree_skb(skb2); |
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kfree_skb(skb); return err; } |
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static int pfkey_do_dump(struct pfkey_sock *pfk) { |
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struct sadb_msg *hdr; |
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int rc; |
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mutex_lock(&pfk->dump_lock); if (!pfk->dump.dump) { rc = 0; goto out; } |
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rc = pfk->dump.dump(pfk); |
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if (rc == -ENOBUFS) { rc = 0; goto out; } |
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|
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if (pfk->dump.skb) { |
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if (!pfkey_can_dump(&pfk->sk)) { rc = 0; goto out; } |
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hdr = (struct sadb_msg *) pfk->dump.skb->data; hdr->sadb_msg_seq = 0; hdr->sadb_msg_errno = rc; |
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pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, |
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&pfk->sk, sock_net(&pfk->sk)); |
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pfk->dump.skb = NULL; } |
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pfkey_terminate_dump(pfk); |
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out: mutex_unlock(&pfk->dump_lock); |
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return rc; } |
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static inline void pfkey_hdr_dup(struct sadb_msg *new, const struct sadb_msg *orig) |
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{ *new = *orig; } |
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static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk) |
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{ struct sk_buff *skb = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_KERNEL); struct sadb_msg *hdr; if (!skb) return -ENOBUFS; /* Woe be to the platform trying to support PFKEY yet * having normal errnos outside the 1-255 range, inclusive. */ err = -err; if (err == ERESTARTSYS || err == ERESTARTNOHAND || err == ERESTARTNOINTR) err = EINTR; if (err >= 512) err = EINVAL; |
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BUG_ON(err <= 0 || err >= 256); |
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|
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hdr = skb_put(skb, sizeof(struct sadb_msg)); |
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pfkey_hdr_dup(hdr, orig); hdr->sadb_msg_errno = (uint8_t) err; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); |
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pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk)); |
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return 0; } |
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static const u8 sadb_ext_min_len[] = { |
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[SADB_EXT_RESERVED] = (u8) 0, [SADB_EXT_SA] = (u8) sizeof(struct sadb_sa), [SADB_EXT_LIFETIME_CURRENT] = (u8) sizeof(struct sadb_lifetime), [SADB_EXT_LIFETIME_HARD] = (u8) sizeof(struct sadb_lifetime), [SADB_EXT_LIFETIME_SOFT] = (u8) sizeof(struct sadb_lifetime), [SADB_EXT_ADDRESS_SRC] = (u8) sizeof(struct sadb_address), [SADB_EXT_ADDRESS_DST] = (u8) sizeof(struct sadb_address), [SADB_EXT_ADDRESS_PROXY] = (u8) sizeof(struct sadb_address), [SADB_EXT_KEY_AUTH] = (u8) sizeof(struct sadb_key), [SADB_EXT_KEY_ENCRYPT] = (u8) sizeof(struct sadb_key), [SADB_EXT_IDENTITY_SRC] = (u8) sizeof(struct sadb_ident), [SADB_EXT_IDENTITY_DST] = (u8) sizeof(struct sadb_ident), [SADB_EXT_SENSITIVITY] = (u8) sizeof(struct sadb_sens), [SADB_EXT_PROPOSAL] = (u8) sizeof(struct sadb_prop), [SADB_EXT_SUPPORTED_AUTH] = (u8) sizeof(struct sadb_supported), [SADB_EXT_SUPPORTED_ENCRYPT] = (u8) sizeof(struct sadb_supported), [SADB_EXT_SPIRANGE] = (u8) sizeof(struct sadb_spirange), [SADB_X_EXT_KMPRIVATE] = (u8) sizeof(struct sadb_x_kmprivate), [SADB_X_EXT_POLICY] = (u8) sizeof(struct sadb_x_policy), [SADB_X_EXT_SA2] = (u8) sizeof(struct sadb_x_sa2), [SADB_X_EXT_NAT_T_TYPE] = (u8) sizeof(struct sadb_x_nat_t_type), [SADB_X_EXT_NAT_T_SPORT] = (u8) sizeof(struct sadb_x_nat_t_port), [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), |
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[SADB_X_EXT_SEC_CTX] = (u8) sizeof(struct sadb_x_sec_ctx), |
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[SADB_X_EXT_KMADDRESS] = (u8) sizeof(struct sadb_x_kmaddress), |
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[SADB_X_EXT_FILTER] = (u8) sizeof(struct sadb_x_filter), |
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}; /* Verify sadb_address_{len,prefixlen} against sa_family. */ |
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static int verify_address_len(const void *p) |
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{ |
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const struct sadb_address *sp = p; const struct sockaddr *addr = (const struct sockaddr *)(sp + 1); const struct sockaddr_in *sin; |
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#if IS_ENABLED(CONFIG_IPV6) |
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const struct sockaddr_in6 *sin6; |
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#endif int len; |
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if (sp->sadb_address_len < DIV_ROUND_UP(sizeof(*sp) + offsetofend(typeof(*addr), sa_family), sizeof(uint64_t))) return -EINVAL; |
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switch (addr->sa_family) { case AF_INET: |
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len = DIV_ROUND_UP(sizeof(*sp) + sizeof(*sin), sizeof(uint64_t)); |
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if (sp->sadb_address_len != len || sp->sadb_address_prefixlen > 32) return -EINVAL; break; |
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#if IS_ENABLED(CONFIG_IPV6) |
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case AF_INET6: |
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len = DIV_ROUND_UP(sizeof(*sp) + sizeof(*sin6), sizeof(uint64_t)); |
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if (sp->sadb_address_len != len || sp->sadb_address_prefixlen > 128) return -EINVAL; break; #endif default: /* It is user using kernel to keep track of security * associations for another protocol, such as * OSPF/RSVP/RIPV2/MIP. It is user's job to verify * lengths. * * XXX Actually, association/policy database is not yet * XXX able to cope with arbitrary sockaddr families. * XXX When it can, remove this -EINVAL. -DaveM */ return -EINVAL; |
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} |
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return 0; } |
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static inline int sadb_key_len(const struct sadb_key *key) { int key_bytes = DIV_ROUND_UP(key->sadb_key_bits, 8); return DIV_ROUND_UP(sizeof(struct sadb_key) + key_bytes, sizeof(uint64_t)); } static int verify_key_len(const void *p) { const struct sadb_key *key = p; if (sadb_key_len(key) > key->sadb_key_len) return -EINVAL; return 0; } |
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static inline int pfkey_sec_ctx_len(const struct sadb_x_sec_ctx *sec_ctx) |
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{ |
356f89e12 [NET] Cleanup: DI... |
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return DIV_ROUND_UP(sizeof(struct sadb_x_sec_ctx) + sec_ctx->sadb_x_ctx_len, sizeof(uint64_t)); |
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} |
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static inline int verify_sec_ctx_len(const void *p) |
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{ |
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const struct sadb_x_sec_ctx *sec_ctx = p; |
298bb6217 [AF_KEY]: suppres... |
439 |
int len = sec_ctx->sadb_x_ctx_len; |
df71837d5 [LSM-IPSec]: Secu... |
440 |
|
298bb6217 [AF_KEY]: suppres... |
441 |
if (len > PAGE_SIZE) |
df71837d5 [LSM-IPSec]: Secu... |
442 443 444 445 446 447 448 449 450 |
return -EINVAL; len = pfkey_sec_ctx_len(sec_ctx); if (sec_ctx->sadb_x_sec_len != len) return -EINVAL; return 0; } |
87536a81e net: af_key: fix ... |
451 452 |
static inline struct xfrm_user_sec_ctx *pfkey_sadb2xfrm_user_sec_ctx(const struct sadb_x_sec_ctx *sec_ctx, gfp_t gfp) |
df71837d5 [LSM-IPSec]: Secu... |
453 454 455 |
{ struct xfrm_user_sec_ctx *uctx = NULL; int ctx_size = sec_ctx->sadb_x_ctx_len; |
87536a81e net: af_key: fix ... |
456 |
uctx = kmalloc((sizeof(*uctx)+ctx_size), gfp); |
df71837d5 [LSM-IPSec]: Secu... |
457 458 459 460 461 462 463 464 465 466 467 468 469 470 |
if (!uctx) return NULL; uctx->len = pfkey_sec_ctx_len(sec_ctx); uctx->exttype = sec_ctx->sadb_x_sec_exttype; uctx->ctx_doi = sec_ctx->sadb_x_ctx_doi; uctx->ctx_alg = sec_ctx->sadb_x_ctx_alg; uctx->ctx_len = sec_ctx->sadb_x_ctx_len; memcpy(uctx + 1, sec_ctx + 1, uctx->ctx_len); return uctx; } |
4c93fbb06 pfkey: Use const ... |
471 472 |
static int present_and_same_family(const struct sadb_address *src, const struct sadb_address *dst) |
1da177e4c Linux-2.6.12-rc2 |
473 |
{ |
4c93fbb06 pfkey: Use const ... |
474 |
const struct sockaddr *s_addr, *d_addr; |
1da177e4c Linux-2.6.12-rc2 |
475 476 477 |
if (!src || !dst) return 0; |
4c93fbb06 pfkey: Use const ... |
478 479 |
s_addr = (const struct sockaddr *)(src + 1); d_addr = (const struct sockaddr *)(dst + 1); |
1da177e4c Linux-2.6.12-rc2 |
480 481 482 |
if (s_addr->sa_family != d_addr->sa_family) return 0; if (s_addr->sa_family != AF_INET |
dfd56b8b3 net: use IS_ENABL... |
483 |
#if IS_ENABLED(CONFIG_IPV6) |
1da177e4c Linux-2.6.12-rc2 |
484 485 486 487 488 489 490 |
&& s_addr->sa_family != AF_INET6 #endif ) return 0; return 1; } |
4c93fbb06 pfkey: Use const ... |
491 |
static int parse_exthdrs(struct sk_buff *skb, const struct sadb_msg *hdr, void **ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
492 |
{ |
4c93fbb06 pfkey: Use const ... |
493 |
const char *p = (char *) hdr; |
1da177e4c Linux-2.6.12-rc2 |
494 495 496 497 498 |
int len = skb->len; len -= sizeof(*hdr); p += sizeof(*hdr); while (len > 0) { |
4c93fbb06 pfkey: Use const ... |
499 |
const struct sadb_ext *ehdr = (const struct sadb_ext *) p; |
1da177e4c Linux-2.6.12-rc2 |
500 501 |
uint16_t ext_type; int ext_len; |
754705d8e af_key: fix buffe... |
502 503 |
if (len < sizeof(*ehdr)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
504 505 506 507 508 509 510 511 512 513 514 515 516 517 |
ext_len = ehdr->sadb_ext_len; ext_len *= sizeof(uint64_t); ext_type = ehdr->sadb_ext_type; if (ext_len < sizeof(uint64_t) || ext_len > len || ext_type == SADB_EXT_RESERVED) return -EINVAL; if (ext_type <= SADB_EXT_MAX) { int min = (int) sadb_ext_min_len[ext_type]; if (ext_len < min) return -EINVAL; if (ext_hdrs[ext_type-1] != NULL) return -EINVAL; |
7d970250c af_key: Always ve... |
518 519 520 521 522 |
switch (ext_type) { case SADB_EXT_ADDRESS_SRC: case SADB_EXT_ADDRESS_DST: case SADB_EXT_ADDRESS_PROXY: case SADB_X_EXT_NAT_T_OA: |
1da177e4c Linux-2.6.12-rc2 |
523 524 |
if (verify_address_len(p)) return -EINVAL; |
7d970250c af_key: Always ve... |
525 526 |
break; case SADB_X_EXT_SEC_CTX: |
df71837d5 [LSM-IPSec]: Secu... |
527 528 |
if (verify_sec_ctx_len(p)) return -EINVAL; |
7d970250c af_key: Always ve... |
529 530 531 532 533 534 535 536 |
break; case SADB_EXT_KEY_AUTH: case SADB_EXT_KEY_ENCRYPT: if (verify_key_len(p)) return -EINVAL; break; default: break; |
df71837d5 [LSM-IPSec]: Secu... |
537 |
} |
4c93fbb06 pfkey: Use const ... |
538 |
ext_hdrs[ext_type-1] = (void *) p; |
1da177e4c Linux-2.6.12-rc2 |
539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 |
} p += ext_len; len -= ext_len; } return 0; } static uint16_t pfkey_satype2proto(uint8_t satype) { switch (satype) { case SADB_SATYPE_UNSPEC: return IPSEC_PROTO_ANY; case SADB_SATYPE_AH: return IPPROTO_AH; case SADB_SATYPE_ESP: return IPPROTO_ESP; case SADB_X_SATYPE_IPCOMP: return IPPROTO_COMP; |
1da177e4c Linux-2.6.12-rc2 |
559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 |
default: return 0; } /* NOTREACHED */ } static uint8_t pfkey_proto2satype(uint16_t proto) { switch (proto) { case IPPROTO_AH: return SADB_SATYPE_AH; case IPPROTO_ESP: return SADB_SATYPE_ESP; case IPPROTO_COMP: return SADB_X_SATYPE_IPCOMP; |
1da177e4c Linux-2.6.12-rc2 |
575 576 577 578 579 580 581 582 583 584 585 586 |
default: return 0; } /* NOTREACHED */ } /* BTW, this scheme means that there is no way with PFKEY2 sockets to * say specifically 'just raw sockets' as we encode them as 255. */ static uint8_t pfkey_proto_to_xfrm(uint8_t proto) { |
a02cec215 net: return opera... |
587 |
return proto == IPSEC_PROTO_ANY ? 0 : proto; |
1da177e4c Linux-2.6.12-rc2 |
588 589 590 591 |
} static uint8_t pfkey_proto_from_xfrm(uint8_t proto) { |
a02cec215 net: return opera... |
592 |
return proto ? proto : IPSEC_PROTO_ANY; |
1da177e4c Linux-2.6.12-rc2 |
593 |
} |
9e8b4ed8b key: Introduce pf... |
594 595 596 597 598 |
static inline int pfkey_sockaddr_len(sa_family_t family) { switch (family) { case AF_INET: return sizeof(struct sockaddr_in); |
dfd56b8b3 net: use IS_ENABL... |
599 |
#if IS_ENABLED(CONFIG_IPV6) |
9e8b4ed8b key: Introduce pf... |
600 601 602 603 604 605 |
case AF_INET6: return sizeof(struct sockaddr_in6); #endif } return 0; } |
5f95ac911 key: Share common... |
606 607 |
static int pfkey_sockaddr_extract(const struct sockaddr *sa, xfrm_address_t *xaddr) |
1da177e4c Linux-2.6.12-rc2 |
608 |
{ |
5f95ac911 key: Share common... |
609 |
switch (sa->sa_family) { |
1da177e4c Linux-2.6.12-rc2 |
610 |
case AF_INET: |
8ff24541d [NET] KEY: Fix wh... |
611 |
xaddr->a4 = |
5f95ac911 key: Share common... |
612 |
((struct sockaddr_in *)sa)->sin_addr.s_addr; |
1da177e4c Linux-2.6.12-rc2 |
613 |
return AF_INET; |
dfd56b8b3 net: use IS_ENABL... |
614 |
#if IS_ENABLED(CONFIG_IPV6) |
1da177e4c Linux-2.6.12-rc2 |
615 |
case AF_INET6: |
8ff24541d [NET] KEY: Fix wh... |
616 |
memcpy(xaddr->a6, |
5f95ac911 key: Share common... |
617 |
&((struct sockaddr_in6 *)sa)->sin6_addr, |
1da177e4c Linux-2.6.12-rc2 |
618 619 620 |
sizeof(struct in6_addr)); return AF_INET6; #endif |
1da177e4c Linux-2.6.12-rc2 |
621 |
} |
5f95ac911 key: Share common... |
622 623 624 625 |
return 0; } static |
4c93fbb06 pfkey: Use const ... |
626 |
int pfkey_sadb_addr2xfrm_addr(const struct sadb_address *addr, xfrm_address_t *xaddr) |
5f95ac911 key: Share common... |
627 628 629 |
{ return pfkey_sockaddr_extract((struct sockaddr *)(addr + 1), xaddr); |
1da177e4c Linux-2.6.12-rc2 |
630 |
} |
4c93fbb06 pfkey: Use const ... |
631 |
static struct xfrm_state *pfkey_xfrm_state_lookup(struct net *net, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
632 |
{ |
4c93fbb06 pfkey: Use const ... |
633 634 |
const struct sadb_sa *sa; const struct sadb_address *addr; |
1da177e4c Linux-2.6.12-rc2 |
635 636 637 |
uint16_t proto; unsigned short family; xfrm_address_t *xaddr; |
ea1107338 net: Remove casts... |
638 |
sa = ext_hdrs[SADB_EXT_SA - 1]; |
1da177e4c Linux-2.6.12-rc2 |
639 640 641 642 643 644 645 646 |
if (sa == NULL) return NULL; proto = pfkey_satype2proto(hdr->sadb_msg_satype); if (proto == 0) return NULL; /* sadb_address_len should be checked by caller */ |
ea1107338 net: Remove casts... |
647 |
addr = ext_hdrs[SADB_EXT_ADDRESS_DST - 1]; |
1da177e4c Linux-2.6.12-rc2 |
648 649 |
if (addr == NULL) return NULL; |
4c93fbb06 pfkey: Use const ... |
650 |
family = ((const struct sockaddr *)(addr + 1))->sa_family; |
1da177e4c Linux-2.6.12-rc2 |
651 652 |
switch (family) { case AF_INET: |
4c93fbb06 pfkey: Use const ... |
653 |
xaddr = (xfrm_address_t *)&((const struct sockaddr_in *)(addr + 1))->sin_addr; |
1da177e4c Linux-2.6.12-rc2 |
654 |
break; |
dfd56b8b3 net: use IS_ENABL... |
655 |
#if IS_ENABLED(CONFIG_IPV6) |
1da177e4c Linux-2.6.12-rc2 |
656 |
case AF_INET6: |
4c93fbb06 pfkey: Use const ... |
657 |
xaddr = (xfrm_address_t *)&((const struct sockaddr_in6 *)(addr + 1))->sin6_addr; |
1da177e4c Linux-2.6.12-rc2 |
658 659 660 661 662 663 664 665 |
break; #endif default: xaddr = NULL; } if (!xaddr) return NULL; |
bd55775c8 xfrm: SA lookups ... |
666 |
return xfrm_state_lookup(net, DUMMY_MARK, xaddr, sa->sadb_sa_spi, proto, family); |
1da177e4c Linux-2.6.12-rc2 |
667 668 669 |
} #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1))) |
9e8b4ed8b key: Introduce pf... |
670 |
|
1da177e4c Linux-2.6.12-rc2 |
671 672 673 |
static int pfkey_sockaddr_size(sa_family_t family) { |
9e8b4ed8b key: Introduce pf... |
674 |
return PFKEY_ALIGN8(pfkey_sockaddr_len(family)); |
1da177e4c Linux-2.6.12-rc2 |
675 |
} |
55569ce25 [KEY]: Fix conver... |
676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 |
static inline int pfkey_mode_from_xfrm(int mode) { switch(mode) { case XFRM_MODE_TRANSPORT: return IPSEC_MODE_TRANSPORT; case XFRM_MODE_TUNNEL: return IPSEC_MODE_TUNNEL; case XFRM_MODE_BEET: return IPSEC_MODE_BEET; default: return -1; } } static inline int pfkey_mode_to_xfrm(int mode) { switch(mode) { case IPSEC_MODE_ANY: /*XXX*/ case IPSEC_MODE_TRANSPORT: return XFRM_MODE_TRANSPORT; case IPSEC_MODE_TUNNEL: return XFRM_MODE_TUNNEL; case IPSEC_MODE_BEET: return XFRM_MODE_BEET; default: return -1; } } |
183cad127 xfrm: Const'ify p... |
704 |
static unsigned int pfkey_sockaddr_fill(const xfrm_address_t *xaddr, __be16 port, |
4c93fbb06 pfkey: Use const ... |
705 706 |
struct sockaddr *sa, unsigned short family) |
e5b56652c key: Share common... |
707 708 709 710 711 712 713 714 715 716 717 |
{ 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; } |
dfd56b8b3 net: use IS_ENABL... |
718 |
#if IS_ENABLED(CONFIG_IPV6) |
e5b56652c key: Share common... |
719 720 721 722 723 724 |
case AF_INET6: { struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; sin6->sin6_family = AF_INET6; sin6->sin6_port = port; sin6->sin6_flowinfo = 0; |
15e318bdc xfrm: simplify xf... |
725 |
sin6->sin6_addr = xaddr->in6; |
e5b56652c key: Share common... |
726 727 728 729 730 731 732 |
sin6->sin6_scope_id = 0; return 128; } #endif } return 0; } |
4c93fbb06 pfkey: Use const ... |
733 |
static struct sk_buff *__pfkey_xfrm_state2msg(const struct xfrm_state *x, |
050f009e1 [IPSEC]: Lock sta... |
734 |
int add_keys, int hsc) |
1da177e4c Linux-2.6.12-rc2 |
735 736 737 738 739 740 741 742 |
{ struct sk_buff *skb; struct sadb_msg *hdr; struct sadb_sa *sa; struct sadb_lifetime *lifetime; struct sadb_address *addr; struct sadb_key *key; struct sadb_x_sa2 *sa2; |
df71837d5 [LSM-IPSec]: Secu... |
743 744 745 |
struct sadb_x_sec_ctx *sec_ctx; struct xfrm_sec_ctx *xfrm_ctx; int ctx_size = 0; |
1da177e4c Linux-2.6.12-rc2 |
746 747 748 749 750 |
int size; int auth_key_size = 0; int encrypt_key_size = 0; int sockaddr_size; struct xfrm_encap_tmpl *natt = NULL; |
55569ce25 [KEY]: Fix conver... |
751 |
int mode; |
1da177e4c Linux-2.6.12-rc2 |
752 753 754 755 756 757 758 759 |
/* address family check */ sockaddr_size = pfkey_sockaddr_size(x->props.family); if (!sockaddr_size) return ERR_PTR(-EINVAL); /* base, SA, (lifetime (HSC),) address(SD), (address(P),) key(AE), (identity(SD),) (sensitivity)> */ |
8ff24541d [NET] KEY: Fix wh... |
760 |
size = sizeof(struct sadb_msg) +sizeof(struct sadb_sa) + |
1da177e4c Linux-2.6.12-rc2 |
761 762 763 |
sizeof(struct sadb_lifetime) + ((hsc & 1) ? sizeof(struct sadb_lifetime) : 0) + ((hsc & 2) ? sizeof(struct sadb_lifetime) : 0) + |
8ff24541d [NET] KEY: Fix wh... |
764 |
sizeof(struct sadb_address)*2 + |
1da177e4c Linux-2.6.12-rc2 |
765 766 |
sockaddr_size*2 + sizeof(struct sadb_x_sa2); |
df71837d5 [LSM-IPSec]: Secu... |
767 768 769 770 771 |
if ((xfrm_ctx = x->security)) { ctx_size = PFKEY_ALIGN8(xfrm_ctx->ctx_len); size += sizeof(struct sadb_x_sec_ctx) + ctx_size; } |
1da177e4c Linux-2.6.12-rc2 |
772 |
/* identity & sensitivity */ |
70e94e66a xfrm: Convert xfr... |
773 |
if (!xfrm_addr_equal(&x->sel.saddr, &x->props.saddr, x->props.family)) |
1da177e4c Linux-2.6.12-rc2 |
774 775 776 777 |
size += sizeof(struct sadb_address) + sockaddr_size; if (add_keys) { if (x->aalg && x->aalg->alg_key_len) { |
8ff24541d [NET] KEY: Fix wh... |
778 779 |
auth_key_size = PFKEY_ALIGN8((x->aalg->alg_key_len + 7) / 8); |
1da177e4c Linux-2.6.12-rc2 |
780 781 782 |
size += sizeof(struct sadb_key) + auth_key_size; } if (x->ealg && x->ealg->alg_key_len) { |
8ff24541d [NET] KEY: Fix wh... |
783 784 |
encrypt_key_size = PFKEY_ALIGN8((x->ealg->alg_key_len+7) / 8); |
1da177e4c Linux-2.6.12-rc2 |
785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 |
size += sizeof(struct sadb_key) + encrypt_key_size; } } if (x->encap) natt = x->encap; if (natt && natt->encap_type) { size += sizeof(struct sadb_x_nat_t_type); size += sizeof(struct sadb_x_nat_t_port); size += sizeof(struct sadb_x_nat_t_port); } skb = alloc_skb(size + 16, GFP_ATOMIC); if (skb == NULL) return ERR_PTR(-ENOBUFS); /* call should fill header later */ |
4df864c1d networking: make ... |
802 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
1da177e4c Linux-2.6.12-rc2 |
803 804 805 806 |
memset(hdr, 0, size); /* XXX do we need this ? */ hdr->sadb_msg_len = size / sizeof(uint64_t); /* sa */ |
4df864c1d networking: make ... |
807 |
sa = skb_put(skb, sizeof(struct sadb_sa)); |
1da177e4c Linux-2.6.12-rc2 |
808 809 810 811 |
sa->sadb_sa_len = sizeof(struct sadb_sa)/sizeof(uint64_t); sa->sadb_sa_exttype = SADB_EXT_SA; sa->sadb_sa_spi = x->id.spi; sa->sadb_sa_replay = x->props.replay_window; |
4f09f0bbc [IPSEC] Fix xfrm ... |
812 813 814 815 816 817 |
switch (x->km.state) { case XFRM_STATE_VALID: sa->sadb_sa_state = x->km.dying ? SADB_SASTATE_DYING : SADB_SASTATE_MATURE; break; case XFRM_STATE_ACQ: |
1da177e4c Linux-2.6.12-rc2 |
818 |
sa->sadb_sa_state = SADB_SASTATE_LARVAL; |
4f09f0bbc [IPSEC] Fix xfrm ... |
819 820 |
break; default: |
1da177e4c Linux-2.6.12-rc2 |
821 |
sa->sadb_sa_state = SADB_SASTATE_DEAD; |
4f09f0bbc [IPSEC] Fix xfrm ... |
822 823 |
break; } |
1da177e4c Linux-2.6.12-rc2 |
824 825 826 |
sa->sadb_sa_auth = 0; if (x->aalg) { struct xfrm_algo_desc *a = xfrm_aalg_get_byname(x->aalg->alg_name, 0); |
7e50f84c9 pf_key/xfrm_algo:... |
827 828 |
sa->sadb_sa_auth = (a && a->pfkey_supported) ? a->desc.sadb_alg_id : 0; |
1da177e4c Linux-2.6.12-rc2 |
829 830 831 832 833 |
} sa->sadb_sa_encrypt = 0; BUG_ON(x->ealg && x->calg); if (x->ealg) { struct xfrm_algo_desc *a = xfrm_ealg_get_byname(x->ealg->alg_name, 0); |
7e50f84c9 pf_key/xfrm_algo:... |
834 835 |
sa->sadb_sa_encrypt = (a && a->pfkey_supported) ? a->desc.sadb_alg_id : 0; |
1da177e4c Linux-2.6.12-rc2 |
836 837 838 839 |
} /* KAME compatible: sadb_sa_encrypt is overloaded with calg id */ if (x->calg) { struct xfrm_algo_desc *a = xfrm_calg_get_byname(x->calg->alg_name, 0); |
7e50f84c9 pf_key/xfrm_algo:... |
840 841 |
sa->sadb_sa_encrypt = (a && a->pfkey_supported) ? a->desc.sadb_alg_id : 0; |
1da177e4c Linux-2.6.12-rc2 |
842 843 844 845 846 847 848 |
} sa->sadb_sa_flags = 0; if (x->props.flags & XFRM_STATE_NOECN) sa->sadb_sa_flags |= SADB_SAFLAGS_NOECN; if (x->props.flags & XFRM_STATE_DECAP_DSCP) sa->sadb_sa_flags |= SADB_SAFLAGS_DECAP_DSCP; |
dd87147ee [IPSEC]: Add XFRM... |
849 850 |
if (x->props.flags & XFRM_STATE_NOPMTUDISC) sa->sadb_sa_flags |= SADB_SAFLAGS_NOPMTUDISC; |
1da177e4c Linux-2.6.12-rc2 |
851 852 853 |
/* hard time */ if (hsc & 2) { |
4df864c1d networking: make ... |
854 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
855 856 857 858 859 860 861 862 863 864 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_HARD; lifetime->sadb_lifetime_allocations = _X2KEY(x->lft.hard_packet_limit); lifetime->sadb_lifetime_bytes = _X2KEY(x->lft.hard_byte_limit); lifetime->sadb_lifetime_addtime = x->lft.hard_add_expires_seconds; lifetime->sadb_lifetime_usetime = x->lft.hard_use_expires_seconds; } /* soft time */ if (hsc & 1) { |
4df864c1d networking: make ... |
865 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
866 867 868 869 870 871 872 873 874 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_SOFT; lifetime->sadb_lifetime_allocations = _X2KEY(x->lft.soft_packet_limit); lifetime->sadb_lifetime_bytes = _X2KEY(x->lft.soft_byte_limit); lifetime->sadb_lifetime_addtime = x->lft.soft_add_expires_seconds; lifetime->sadb_lifetime_usetime = x->lft.soft_use_expires_seconds; } /* current time */ |
4df864c1d networking: make ... |
875 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
876 877 878 879 880 881 882 883 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_CURRENT; lifetime->sadb_lifetime_allocations = x->curlft.packets; lifetime->sadb_lifetime_bytes = x->curlft.bytes; lifetime->sadb_lifetime_addtime = x->curlft.add_time; lifetime->sadb_lifetime_usetime = x->curlft.use_time; /* src address */ |
4df864c1d networking: make ... |
884 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
885 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
886 887 888 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; |
8ff24541d [NET] KEY: Fix wh... |
889 890 |
/* "if the ports are non-zero, then the sadb_address_proto field, normally zero, MUST be filled in with the transport |
1da177e4c Linux-2.6.12-rc2 |
891 |
protocol's number." - RFC2367 */ |
8ff24541d [NET] KEY: Fix wh... |
892 |
addr->sadb_address_proto = 0; |
1da177e4c Linux-2.6.12-rc2 |
893 |
addr->sadb_address_reserved = 0; |
1da177e4c Linux-2.6.12-rc2 |
894 |
|
e5b56652c key: Share common... |
895 896 897 898 899 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(&x->props.saddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) |
1da177e4c Linux-2.6.12-rc2 |
900 901 902 |
BUG(); /* dst address */ |
4df864c1d networking: make ... |
903 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
904 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
905 906 907 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; |
8ff24541d [NET] KEY: Fix wh... |
908 |
addr->sadb_address_proto = 0; |
1da177e4c Linux-2.6.12-rc2 |
909 |
addr->sadb_address_reserved = 0; |
1da177e4c Linux-2.6.12-rc2 |
910 |
|
e5b56652c key: Share common... |
911 912 913 914 915 916 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(&x->id.daddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) BUG(); |
1da177e4c Linux-2.6.12-rc2 |
917 |
|
70e94e66a xfrm: Convert xfr... |
918 919 |
if (!xfrm_addr_equal(&x->sel.saddr, &x->props.saddr, x->props.family)) { |
4df864c1d networking: make ... |
920 921 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
e5b56652c key: Share common... |
922 923 924 925 926 927 928 929 |
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; |
1da177e4c Linux-2.6.12-rc2 |
930 |
|
e5b56652c key: Share common... |
931 932 933 |
pfkey_sockaddr_fill(&x->sel.saddr, x->sel.sport, (struct sockaddr *) (addr + 1), x->props.family); |
1da177e4c Linux-2.6.12-rc2 |
934 |
} |
1da177e4c Linux-2.6.12-rc2 |
935 936 937 |
/* auth key */ if (add_keys && auth_key_size) { |
4df864c1d networking: make ... |
938 |
key = skb_put(skb, sizeof(struct sadb_key) + auth_key_size); |
1da177e4c Linux-2.6.12-rc2 |
939 940 941 942 943 944 945 946 947 |
key->sadb_key_len = (sizeof(struct sadb_key) + auth_key_size) / sizeof(uint64_t); key->sadb_key_exttype = SADB_EXT_KEY_AUTH; key->sadb_key_bits = x->aalg->alg_key_len; key->sadb_key_reserved = 0; memcpy(key + 1, x->aalg->alg_key, (x->aalg->alg_key_len+7)/8); } /* encrypt key */ if (add_keys && encrypt_key_size) { |
4df864c1d networking: make ... |
948 |
key = skb_put(skb, sizeof(struct sadb_key) + encrypt_key_size); |
8ff24541d [NET] KEY: Fix wh... |
949 |
key->sadb_key_len = (sizeof(struct sadb_key) + |
1da177e4c Linux-2.6.12-rc2 |
950 951 952 953 |
encrypt_key_size) / sizeof(uint64_t); key->sadb_key_exttype = SADB_EXT_KEY_ENCRYPT; key->sadb_key_bits = x->ealg->alg_key_len; key->sadb_key_reserved = 0; |
8ff24541d [NET] KEY: Fix wh... |
954 |
memcpy(key + 1, x->ealg->alg_key, |
1da177e4c Linux-2.6.12-rc2 |
955 956 957 958 |
(x->ealg->alg_key_len+7)/8); } /* sa */ |
4df864c1d networking: make ... |
959 |
sa2 = skb_put(skb, sizeof(struct sadb_x_sa2)); |
1da177e4c Linux-2.6.12-rc2 |
960 961 |
sa2->sadb_x_sa2_len = sizeof(struct sadb_x_sa2)/sizeof(uint64_t); sa2->sadb_x_sa2_exttype = SADB_X_EXT_SA2; |
55569ce25 [KEY]: Fix conver... |
962 963 964 965 966 |
if ((mode = pfkey_mode_from_xfrm(x->props.mode)) < 0) { kfree_skb(skb); return ERR_PTR(-EINVAL); } sa2->sadb_x_sa2_mode = mode; |
1da177e4c Linux-2.6.12-rc2 |
967 968 969 970 971 972 973 974 975 976 |
sa2->sadb_x_sa2_reserved1 = 0; sa2->sadb_x_sa2_reserved2 = 0; sa2->sadb_x_sa2_sequence = 0; sa2->sadb_x_sa2_reqid = x->props.reqid; if (natt && natt->encap_type) { struct sadb_x_nat_t_type *n_type; struct sadb_x_nat_t_port *n_port; /* type */ |
4df864c1d networking: make ... |
977 |
n_type = skb_put(skb, sizeof(*n_type)); |
1da177e4c Linux-2.6.12-rc2 |
978 979 980 981 982 983 984 985 |
n_type->sadb_x_nat_t_type_len = sizeof(*n_type)/sizeof(uint64_t); n_type->sadb_x_nat_t_type_exttype = SADB_X_EXT_NAT_T_TYPE; n_type->sadb_x_nat_t_type_type = natt->encap_type; n_type->sadb_x_nat_t_type_reserved[0] = 0; n_type->sadb_x_nat_t_type_reserved[1] = 0; n_type->sadb_x_nat_t_type_reserved[2] = 0; /* source port */ |
4df864c1d networking: make ... |
986 |
n_port = skb_put(skb, sizeof(*n_port)); |
1da177e4c Linux-2.6.12-rc2 |
987 988 989 990 991 992 |
n_port->sadb_x_nat_t_port_len = sizeof(*n_port)/sizeof(uint64_t); n_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_SPORT; n_port->sadb_x_nat_t_port_port = natt->encap_sport; n_port->sadb_x_nat_t_port_reserved = 0; /* dest port */ |
4df864c1d networking: make ... |
993 |
n_port = skb_put(skb, sizeof(*n_port)); |
1da177e4c Linux-2.6.12-rc2 |
994 995 996 997 998 |
n_port->sadb_x_nat_t_port_len = sizeof(*n_port)/sizeof(uint64_t); n_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_DPORT; n_port->sadb_x_nat_t_port_port = natt->encap_dport; n_port->sadb_x_nat_t_port_reserved = 0; } |
df71837d5 [LSM-IPSec]: Secu... |
999 1000 |
/* security context */ if (xfrm_ctx) { |
4df864c1d networking: make ... |
1001 1002 |
sec_ctx = skb_put(skb, sizeof(struct sadb_x_sec_ctx) + ctx_size); |
df71837d5 [LSM-IPSec]: Secu... |
1003 1004 1005 1006 1007 1008 1009 1010 1011 |
sec_ctx->sadb_x_sec_len = (sizeof(struct sadb_x_sec_ctx) + ctx_size) / sizeof(uint64_t); sec_ctx->sadb_x_sec_exttype = SADB_X_EXT_SEC_CTX; sec_ctx->sadb_x_ctx_doi = xfrm_ctx->ctx_doi; sec_ctx->sadb_x_ctx_alg = xfrm_ctx->ctx_alg; sec_ctx->sadb_x_ctx_len = xfrm_ctx->ctx_len; memcpy(sec_ctx + 1, xfrm_ctx->ctx_str, xfrm_ctx->ctx_len); } |
1da177e4c Linux-2.6.12-rc2 |
1012 1013 |
return skb; } |
050f009e1 [IPSEC]: Lock sta... |
1014 |
|
4c93fbb06 pfkey: Use const ... |
1015 |
static inline struct sk_buff *pfkey_xfrm_state2msg(const struct xfrm_state *x) |
050f009e1 [IPSEC]: Lock sta... |
1016 1017 |
{ struct sk_buff *skb; |
050f009e1 [IPSEC]: Lock sta... |
1018 |
skb = __pfkey_xfrm_state2msg(x, 1, 3); |
050f009e1 [IPSEC]: Lock sta... |
1019 1020 1021 |
return skb; } |
4c93fbb06 pfkey: Use const ... |
1022 |
static inline struct sk_buff *pfkey_xfrm_state2msg_expire(const struct xfrm_state *x, |
050f009e1 [IPSEC]: Lock sta... |
1023 1024 1025 1026 |
int hsc) { return __pfkey_xfrm_state2msg(x, 0, hsc); } |
07fb0f179 netns PF_KEY: part 2 |
1027 |
static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, |
4c93fbb06 pfkey: Use const ... |
1028 1029 |
const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1030 |
{ |
8ff24541d [NET] KEY: Fix wh... |
1031 |
struct xfrm_state *x; |
4c93fbb06 pfkey: Use const ... |
1032 1033 1034 1035 |
const struct sadb_lifetime *lifetime; const struct sadb_sa *sa; const struct sadb_key *key; const struct sadb_x_sec_ctx *sec_ctx; |
1da177e4c Linux-2.6.12-rc2 |
1036 1037 |
uint16_t proto; int err; |
8ff24541d [NET] KEY: Fix wh... |
1038 |
|
1da177e4c Linux-2.6.12-rc2 |
1039 |
|
ea1107338 net: Remove casts... |
1040 |
sa = ext_hdrs[SADB_EXT_SA - 1]; |
1da177e4c Linux-2.6.12-rc2 |
1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 |
if (!sa || !present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1])) return ERR_PTR(-EINVAL); if (hdr->sadb_msg_satype == SADB_SATYPE_ESP && !ext_hdrs[SADB_EXT_KEY_ENCRYPT-1]) return ERR_PTR(-EINVAL); if (hdr->sadb_msg_satype == SADB_SATYPE_AH && !ext_hdrs[SADB_EXT_KEY_AUTH-1]) return ERR_PTR(-EINVAL); if (!!ext_hdrs[SADB_EXT_LIFETIME_HARD-1] != !!ext_hdrs[SADB_EXT_LIFETIME_SOFT-1]) return ERR_PTR(-EINVAL); proto = pfkey_satype2proto(hdr->sadb_msg_satype); if (proto == 0) return ERR_PTR(-EINVAL); /* default error is no buffer space */ err = -ENOBUFS; /* RFC2367: Only SADB_SASTATE_MATURE SAs may be submitted in an SADB_ADD message. SADB_SASTATE_LARVAL SAs are created by SADB_GETSPI and it is not sensible to add a new SA in the DYING or SADB_SASTATE_DEAD state. Therefore, the sadb_sa_state field of all submitted SAs MUST be SADB_SASTATE_MATURE and the kernel MUST return an error if this is not true. |
8ff24541d [NET] KEY: Fix wh... |
1070 |
However, KAME setkey always uses SADB_SASTATE_LARVAL. |
1da177e4c Linux-2.6.12-rc2 |
1071 1072 1073 1074 1075 1076 1077 |
Hence, we have to _ignore_ sadb_sa_state, which is also reasonable. */ if (sa->sadb_sa_auth > SADB_AALG_MAX || (hdr->sadb_msg_satype == SADB_X_SATYPE_IPCOMP && sa->sadb_sa_encrypt > SADB_X_CALG_MAX) || sa->sadb_sa_encrypt > SADB_EALG_MAX) return ERR_PTR(-EINVAL); |
ea1107338 net: Remove casts... |
1078 |
key = ext_hdrs[SADB_EXT_KEY_AUTH - 1]; |
1da177e4c Linux-2.6.12-rc2 |
1079 1080 |
if (key != NULL && sa->sadb_sa_auth != SADB_X_AALG_NULL && |
7d970250c af_key: Always ve... |
1081 |
key->sadb_key_bits == 0) |
1da177e4c Linux-2.6.12-rc2 |
1082 1083 1084 1085 |
return ERR_PTR(-EINVAL); key = ext_hdrs[SADB_EXT_KEY_ENCRYPT-1]; if (key != NULL && sa->sadb_sa_encrypt != SADB_EALG_NULL && |
7d970250c af_key: Always ve... |
1086 |
key->sadb_key_bits == 0) |
1da177e4c Linux-2.6.12-rc2 |
1087 |
return ERR_PTR(-EINVAL); |
07fb0f179 netns PF_KEY: part 2 |
1088 |
x = xfrm_state_alloc(net); |
1da177e4c Linux-2.6.12-rc2 |
1089 1090 1091 1092 1093 |
if (x == NULL) return ERR_PTR(-ENOBUFS); x->id.proto = proto; x->id.spi = sa->sadb_sa_spi; |
33fce60d6 xfrm: Guard IPsec... |
1094 1095 |
x->props.replay_window = min_t(unsigned int, sa->sadb_sa_replay, (sizeof(x->replay.bitmap) * 8)); |
1da177e4c Linux-2.6.12-rc2 |
1096 1097 1098 1099 |
if (sa->sadb_sa_flags & SADB_SAFLAGS_NOECN) x->props.flags |= XFRM_STATE_NOECN; if (sa->sadb_sa_flags & SADB_SAFLAGS_DECAP_DSCP) x->props.flags |= XFRM_STATE_DECAP_DSCP; |
dd87147ee [IPSEC]: Add XFRM... |
1100 1101 |
if (sa->sadb_sa_flags & SADB_SAFLAGS_NOPMTUDISC) x->props.flags |= XFRM_STATE_NOPMTUDISC; |
1da177e4c Linux-2.6.12-rc2 |
1102 |
|
ea1107338 net: Remove casts... |
1103 |
lifetime = ext_hdrs[SADB_EXT_LIFETIME_HARD - 1]; |
1da177e4c Linux-2.6.12-rc2 |
1104 1105 1106 1107 1108 1109 |
if (lifetime != NULL) { x->lft.hard_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations); x->lft.hard_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes); x->lft.hard_add_expires_seconds = lifetime->sadb_lifetime_addtime; x->lft.hard_use_expires_seconds = lifetime->sadb_lifetime_usetime; } |
ea1107338 net: Remove casts... |
1110 |
lifetime = ext_hdrs[SADB_EXT_LIFETIME_SOFT - 1]; |
1da177e4c Linux-2.6.12-rc2 |
1111 1112 1113 1114 1115 1116 |
if (lifetime != NULL) { x->lft.soft_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations); x->lft.soft_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes); x->lft.soft_add_expires_seconds = lifetime->sadb_lifetime_addtime; x->lft.soft_use_expires_seconds = lifetime->sadb_lifetime_usetime; } |
df71837d5 [LSM-IPSec]: Secu... |
1117 |
|
ea1107338 net: Remove casts... |
1118 |
sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1]; |
df71837d5 [LSM-IPSec]: Secu... |
1119 |
if (sec_ctx != NULL) { |
87536a81e net: af_key: fix ... |
1120 |
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx, GFP_KERNEL); |
df71837d5 [LSM-IPSec]: Secu... |
1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 |
if (!uctx) goto out; err = security_xfrm_state_alloc(x, uctx); kfree(uctx); if (err) goto out; } |
e747f6433 xfrm: NULL derefe... |
1131 |
err = -ENOBUFS; |
ea1107338 net: Remove casts... |
1132 |
key = ext_hdrs[SADB_EXT_KEY_AUTH - 1]; |
1da177e4c Linux-2.6.12-rc2 |
1133 1134 1135 |
if (sa->sadb_sa_auth) { int keysize = 0; struct xfrm_algo_desc *a = xfrm_aalg_get_byid(sa->sadb_sa_auth); |
7e50f84c9 pf_key/xfrm_algo:... |
1136 |
if (!a || !a->pfkey_supported) { |
1da177e4c Linux-2.6.12-rc2 |
1137 1138 1139 1140 1141 1142 |
err = -ENOSYS; goto out; } if (key) keysize = (key->sadb_key_bits + 7) / 8; x->aalg = kmalloc(sizeof(*x->aalg) + keysize, GFP_KERNEL); |
1e3d0c2c7 xfrm: Oops on err... |
1143 1144 |
if (!x->aalg) { err = -ENOMEM; |
1da177e4c Linux-2.6.12-rc2 |
1145 |
goto out; |
1e3d0c2c7 xfrm: Oops on err... |
1146 |
} |
1da177e4c Linux-2.6.12-rc2 |
1147 1148 1149 1150 1151 1152 |
strcpy(x->aalg->alg_name, a->name); x->aalg->alg_key_len = 0; if (key) { x->aalg->alg_key_len = key->sadb_key_bits; memcpy(x->aalg->alg_key, key+1, keysize); } |
c20a66f47 xfrm: Fix truncat... |
1153 |
x->aalg->alg_trunc_len = a->uinfo.auth.icv_truncbits; |
1da177e4c Linux-2.6.12-rc2 |
1154 1155 1156 1157 1158 1159 |
x->props.aalgo = sa->sadb_sa_auth; /* x->algo.flags = sa->sadb_sa_flags; */ } if (sa->sadb_sa_encrypt) { if (hdr->sadb_msg_satype == SADB_X_SATYPE_IPCOMP) { struct xfrm_algo_desc *a = xfrm_calg_get_byid(sa->sadb_sa_encrypt); |
7e50f84c9 pf_key/xfrm_algo:... |
1160 |
if (!a || !a->pfkey_supported) { |
1da177e4c Linux-2.6.12-rc2 |
1161 1162 1163 1164 |
err = -ENOSYS; goto out; } x->calg = kmalloc(sizeof(*x->calg), GFP_KERNEL); |
1e3d0c2c7 xfrm: Oops on err... |
1165 1166 |
if (!x->calg) { err = -ENOMEM; |
1da177e4c Linux-2.6.12-rc2 |
1167 |
goto out; |
1e3d0c2c7 xfrm: Oops on err... |
1168 |
} |
1da177e4c Linux-2.6.12-rc2 |
1169 1170 1171 1172 1173 |
strcpy(x->calg->alg_name, a->name); x->props.calgo = sa->sadb_sa_encrypt; } else { int keysize = 0; struct xfrm_algo_desc *a = xfrm_ealg_get_byid(sa->sadb_sa_encrypt); |
7e50f84c9 pf_key/xfrm_algo:... |
1174 |
if (!a || !a->pfkey_supported) { |
1da177e4c Linux-2.6.12-rc2 |
1175 1176 1177 1178 1179 1180 1181 |
err = -ENOSYS; goto out; } key = (struct sadb_key*) ext_hdrs[SADB_EXT_KEY_ENCRYPT-1]; if (key) keysize = (key->sadb_key_bits + 7) / 8; x->ealg = kmalloc(sizeof(*x->ealg) + keysize, GFP_KERNEL); |
1e3d0c2c7 xfrm: Oops on err... |
1182 1183 |
if (!x->ealg) { err = -ENOMEM; |
1da177e4c Linux-2.6.12-rc2 |
1184 |
goto out; |
1e3d0c2c7 xfrm: Oops on err... |
1185 |
} |
1da177e4c Linux-2.6.12-rc2 |
1186 1187 1188 1189 1190 1191 1192 |
strcpy(x->ealg->alg_name, a->name); x->ealg->alg_key_len = 0; if (key) { x->ealg->alg_key_len = key->sadb_key_bits; memcpy(x->ealg->alg_key, key+1, keysize); } x->props.ealgo = sa->sadb_sa_encrypt; |
69b0137f6 ipsec: Add IV gen... |
1193 |
x->geniv = a->uinfo.encr.geniv; |
1da177e4c Linux-2.6.12-rc2 |
1194 1195 1196 |
} } /* x->algo.flags = sa->sadb_sa_flags; */ |
8ff24541d [NET] KEY: Fix wh... |
1197 |
x->props.family = pfkey_sadb_addr2xfrm_addr((struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_SRC-1], |
1da177e4c Linux-2.6.12-rc2 |
1198 |
&x->props.saddr); |
8ff24541d [NET] KEY: Fix wh... |
1199 |
pfkey_sadb_addr2xfrm_addr((struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_DST-1], |
1da177e4c Linux-2.6.12-rc2 |
1200 1201 1202 |
&x->id.daddr); if (ext_hdrs[SADB_X_EXT_SA2-1]) { |
4c93fbb06 pfkey: Use const ... |
1203 |
const struct sadb_x_sa2 *sa2 = ext_hdrs[SADB_X_EXT_SA2-1]; |
55569ce25 [KEY]: Fix conver... |
1204 1205 1206 1207 1208 1209 |
int mode = pfkey_mode_to_xfrm(sa2->sadb_x_sa2_mode); if (mode < 0) { err = -EINVAL; goto out; } x->props.mode = mode; |
1da177e4c Linux-2.6.12-rc2 |
1210 1211 1212 1213 |
x->props.reqid = sa2->sadb_x_sa2_reqid; } if (ext_hdrs[SADB_EXT_ADDRESS_PROXY-1]) { |
4c93fbb06 pfkey: Use const ... |
1214 |
const struct sadb_address *addr = ext_hdrs[SADB_EXT_ADDRESS_PROXY-1]; |
1da177e4c Linux-2.6.12-rc2 |
1215 1216 1217 1218 1219 |
/* Nobody uses this, but we try. */ x->sel.family = pfkey_sadb_addr2xfrm_addr(addr, &x->sel.saddr); x->sel.prefixlen_s = addr->sadb_address_prefixlen; } |
4da510568 af_key: Fix selec... |
1220 |
if (!x->sel.family) |
4a4b6271a [PF_KEY]: Fix ips... |
1221 |
x->sel.family = x->props.family; |
1da177e4c Linux-2.6.12-rc2 |
1222 |
if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) { |
4c93fbb06 pfkey: Use const ... |
1223 |
const struct sadb_x_nat_t_type* n_type; |
1da177e4c Linux-2.6.12-rc2 |
1224 1225 1226 |
struct xfrm_encap_tmpl *natt; x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL); |
1e3d0c2c7 xfrm: Oops on err... |
1227 1228 |
if (!x->encap) { err = -ENOMEM; |
1da177e4c Linux-2.6.12-rc2 |
1229 |
goto out; |
1e3d0c2c7 xfrm: Oops on err... |
1230 |
} |
1da177e4c Linux-2.6.12-rc2 |
1231 1232 1233 1234 1235 1236 |
natt = x->encap; n_type = ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]; natt->encap_type = n_type->sadb_x_nat_t_type_type; if (ext_hdrs[SADB_X_EXT_NAT_T_SPORT-1]) { |
4c93fbb06 pfkey: Use const ... |
1237 |
const struct sadb_x_nat_t_port *n_port = |
1da177e4c Linux-2.6.12-rc2 |
1238 1239 1240 1241 |
ext_hdrs[SADB_X_EXT_NAT_T_SPORT-1]; natt->encap_sport = n_port->sadb_x_nat_t_port_port; } if (ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1]) { |
4c93fbb06 pfkey: Use const ... |
1242 |
const struct sadb_x_nat_t_port *n_port = |
1da177e4c Linux-2.6.12-rc2 |
1243 1244 1245 |
ext_hdrs[SADB_X_EXT_NAT_T_DPORT-1]; natt->encap_dport = n_port->sadb_x_nat_t_port_port; } |
a8d694c65 af_key: initializ... |
1246 |
memset(&natt->encap_oa, 0, sizeof(natt->encap_oa)); |
1da177e4c Linux-2.6.12-rc2 |
1247 |
} |
72cb6962a [IPSEC]: Add xfrm... |
1248 1249 |
err = xfrm_init_state(x); if (err) |
1da177e4c Linux-2.6.12-rc2 |
1250 |
goto out; |
72cb6962a [IPSEC]: Add xfrm... |
1251 |
|
1da177e4c Linux-2.6.12-rc2 |
1252 |
x->km.seq = hdr->sadb_msg_seq; |
1da177e4c Linux-2.6.12-rc2 |
1253 1254 1255 1256 1257 1258 1259 |
return x; out: x->km.state = XFRM_STATE_DEAD; xfrm_state_put(x); return ERR_PTR(err); } |
4c93fbb06 pfkey: Use const ... |
1260 |
static int pfkey_reserved(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1261 1262 1263 |
{ return -EOPNOTSUPP; } |
4c93fbb06 pfkey: Use const ... |
1264 |
static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1265 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1266 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
1267 1268 1269 1270 |
struct sk_buff *resp_skb; struct sadb_x_sa2 *sa2; struct sadb_address *saddr, *daddr; struct sadb_msg *out_hdr; |
658b219e9 [IPSEC]: Move com... |
1271 |
struct sadb_spirange *range; |
1da177e4c Linux-2.6.12-rc2 |
1272 |
struct xfrm_state *x = NULL; |
55569ce25 [KEY]: Fix conver... |
1273 |
int mode; |
658b219e9 [IPSEC]: Move com... |
1274 1275 |
int err; u32 min_spi, max_spi; |
1da177e4c Linux-2.6.12-rc2 |
1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 |
u32 reqid; u8 proto; unsigned short family; xfrm_address_t *xsaddr = NULL, *xdaddr = NULL; if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1])) return -EINVAL; proto = pfkey_satype2proto(hdr->sadb_msg_satype); if (proto == 0) return -EINVAL; if ((sa2 = ext_hdrs[SADB_X_EXT_SA2-1]) != NULL) { |
55569ce25 [KEY]: Fix conver... |
1290 1291 1292 |
mode = pfkey_mode_to_xfrm(sa2->sadb_x_sa2_mode); if (mode < 0) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 |
reqid = sa2->sadb_x_sa2_reqid; } else { mode = 0; reqid = 0; } saddr = ext_hdrs[SADB_EXT_ADDRESS_SRC-1]; daddr = ext_hdrs[SADB_EXT_ADDRESS_DST-1]; family = ((struct sockaddr *)(saddr + 1))->sa_family; switch (family) { case AF_INET: xdaddr = (xfrm_address_t *)&((struct sockaddr_in *)(daddr + 1))->sin_addr.s_addr; xsaddr = (xfrm_address_t *)&((struct sockaddr_in *)(saddr + 1))->sin_addr.s_addr; break; |
dfd56b8b3 net: use IS_ENABL... |
1308 |
#if IS_ENABLED(CONFIG_IPV6) |
1da177e4c Linux-2.6.12-rc2 |
1309 1310 1311 1312 1313 1314 1315 1316 |
case AF_INET6: xdaddr = (xfrm_address_t *)&((struct sockaddr_in6 *)(daddr + 1))->sin6_addr; xsaddr = (xfrm_address_t *)&((struct sockaddr_in6 *)(saddr + 1))->sin6_addr; break; #endif } if (hdr->sadb_msg_seq) { |
bd55775c8 xfrm: SA lookups ... |
1317 |
x = xfrm_find_acq_byseq(net, DUMMY_MARK, hdr->sadb_msg_seq); |
70e94e66a xfrm: Convert xfr... |
1318 |
if (x && !xfrm_addr_equal(&x->id.daddr, xdaddr, family)) { |
1da177e4c Linux-2.6.12-rc2 |
1319 1320 1321 1322 1323 1324 |
xfrm_state_put(x); x = NULL; } } if (!x) |
bd55775c8 xfrm: SA lookups ... |
1325 |
x = xfrm_find_acq(net, &dummy_mark, mode, reqid, proto, xdaddr, xsaddr, 1, family); |
1da177e4c Linux-2.6.12-rc2 |
1326 1327 1328 |
if (x == NULL) return -ENOENT; |
658b219e9 [IPSEC]: Move com... |
1329 1330 |
min_spi = 0x100; max_spi = 0x0fffffff; |
1da177e4c Linux-2.6.12-rc2 |
1331 |
|
658b219e9 [IPSEC]: Move com... |
1332 1333 1334 1335 |
range = ext_hdrs[SADB_EXT_SPIRANGE-1]; if (range) { min_spi = range->sadb_spirange_min; max_spi = range->sadb_spirange_max; |
1da177e4c Linux-2.6.12-rc2 |
1336 |
} |
658b219e9 [IPSEC]: Move com... |
1337 |
|
776e9dd90 xfrm: export veri... |
1338 1339 1340 1341 1342 |
err = verify_spi_info(x->id.proto, min_spi, max_spi); if (err) { xfrm_state_put(x); return err; } |
658b219e9 [IPSEC]: Move com... |
1343 |
err = xfrm_alloc_spi(x, min_spi, max_spi); |
050f009e1 [IPSEC]: Lock sta... |
1344 |
resp_skb = err ? ERR_PTR(err) : pfkey_xfrm_state2msg(x); |
1da177e4c Linux-2.6.12-rc2 |
1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 |
if (IS_ERR(resp_skb)) { xfrm_state_put(x); return PTR_ERR(resp_skb); } out_hdr = (struct sadb_msg *) resp_skb->data; out_hdr->sadb_msg_version = hdr->sadb_msg_version; out_hdr->sadb_msg_type = SADB_GETSPI; out_hdr->sadb_msg_satype = pfkey_proto2satype(proto); out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_reserved = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; xfrm_state_put(x); |
36f41f8fc af_key: do not us... |
1361 |
pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net); |
1da177e4c Linux-2.6.12-rc2 |
1362 1363 1364 |
return 0; } |
4c93fbb06 pfkey: Use const ... |
1365 |
static int pfkey_acquire(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1366 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1367 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
1368 1369 1370 1371 1372 1373 1374 |
struct xfrm_state *x; if (hdr->sadb_msg_len != sizeof(struct sadb_msg)/8) return -EOPNOTSUPP; if (hdr->sadb_msg_seq == 0 || hdr->sadb_msg_errno == 0) return 0; |
bd55775c8 xfrm: SA lookups ... |
1375 |
x = xfrm_find_acq_byseq(net, DUMMY_MARK, hdr->sadb_msg_seq); |
1da177e4c Linux-2.6.12-rc2 |
1376 1377 1378 1379 |
if (x == NULL) return 0; spin_lock_bh(&x->lock); |
5b8ef3415 xfrm: Remove anci... |
1380 |
if (x->km.state == XFRM_STATE_ACQ) |
1da177e4c Linux-2.6.12-rc2 |
1381 |
x->km.state = XFRM_STATE_ERROR; |
5b8ef3415 xfrm: Remove anci... |
1382 |
|
1da177e4c Linux-2.6.12-rc2 |
1383 1384 1385 1386 |
spin_unlock_bh(&x->lock); xfrm_state_put(x); return 0; } |
26b15dad9 [IPSEC] Add compl... |
1387 1388 1389 |
static inline int event2poltype(int event) { switch (event) { |
f60f6b8f7 [IPSEC] Use XFRM_... |
1390 |
case XFRM_MSG_DELPOLICY: |
26b15dad9 [IPSEC] Add compl... |
1391 |
return SADB_X_SPDDELETE; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1392 |
case XFRM_MSG_NEWPOLICY: |
26b15dad9 [IPSEC] Add compl... |
1393 |
return SADB_X_SPDADD; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1394 |
case XFRM_MSG_UPDPOLICY: |
26b15dad9 [IPSEC] Add compl... |
1395 |
return SADB_X_SPDUPDATE; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1396 |
case XFRM_MSG_POLEXPIRE: |
26b15dad9 [IPSEC] Add compl... |
1397 1398 |
// return SADB_X_SPDEXPIRE; default: |
207024b94 pfkey: add severi... |
1399 1400 |
pr_err("pfkey: Unknown policy event %d ", event); |
26b15dad9 [IPSEC] Add compl... |
1401 1402 1403 1404 1405 1406 1407 1408 1409 |
break; } return 0; } static inline int event2keytype(int event) { switch (event) { |
f60f6b8f7 [IPSEC] Use XFRM_... |
1410 |
case XFRM_MSG_DELSA: |
26b15dad9 [IPSEC] Add compl... |
1411 |
return SADB_DELETE; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1412 |
case XFRM_MSG_NEWSA: |
26b15dad9 [IPSEC] Add compl... |
1413 |
return SADB_ADD; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1414 |
case XFRM_MSG_UPDSA: |
26b15dad9 [IPSEC] Add compl... |
1415 |
return SADB_UPDATE; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1416 |
case XFRM_MSG_EXPIRE: |
26b15dad9 [IPSEC] Add compl... |
1417 1418 |
return SADB_EXPIRE; default: |
207024b94 pfkey: add severi... |
1419 1420 |
pr_err("pfkey: Unknown SA event %d ", event); |
26b15dad9 [IPSEC] Add compl... |
1421 1422 1423 1424 1425 1426 1427 |
break; } return 0; } /* ADD/UPD/DEL */ |
214e005bc xfrm: Pass km_eve... |
1428 |
static int key_notify_sa(struct xfrm_state *x, const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
1429 1430 1431 |
{ struct sk_buff *skb; struct sadb_msg *hdr; |
26b15dad9 [IPSEC] Add compl... |
1432 |
|
050f009e1 [IPSEC]: Lock sta... |
1433 |
skb = pfkey_xfrm_state2msg(x); |
26b15dad9 [IPSEC] Add compl... |
1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 |
if (IS_ERR(skb)) return PTR_ERR(skb); hdr = (struct sadb_msg *) skb->data; hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_type = event2keytype(c->event); hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto); hdr->sadb_msg_errno = 0; hdr->sadb_msg_reserved = 0; hdr->sadb_msg_seq = c->seq; |
15e473046 netlink: Rename p... |
1445 |
hdr->sadb_msg_pid = c->portid; |
26b15dad9 [IPSEC] Add compl... |
1446 |
|
36f41f8fc af_key: do not us... |
1447 |
pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x)); |
26b15dad9 [IPSEC] Add compl... |
1448 1449 1450 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1451 |
|
4c93fbb06 pfkey: Use const ... |
1452 |
static int pfkey_add(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1453 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1454 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
1455 1456 |
struct xfrm_state *x; int err; |
26b15dad9 [IPSEC] Add compl... |
1457 |
struct km_event c; |
1da177e4c Linux-2.6.12-rc2 |
1458 |
|
07fb0f179 netns PF_KEY: part 2 |
1459 |
x = pfkey_msg2xfrm_state(net, hdr, ext_hdrs); |
1da177e4c Linux-2.6.12-rc2 |
1460 1461 |
if (IS_ERR(x)) return PTR_ERR(x); |
26b15dad9 [IPSEC] Add compl... |
1462 |
xfrm_state_hold(x); |
1da177e4c Linux-2.6.12-rc2 |
1463 1464 1465 1466 |
if (hdr->sadb_msg_type == SADB_ADD) err = xfrm_state_add(x); else err = xfrm_state_update(x); |
2e71029e2 xfrm: Remove usel... |
1467 |
xfrm_audit_state_add(x, err ? 0 : 1, true); |
161a09e73 audit: Add auditi... |
1468 |
|
1da177e4c Linux-2.6.12-rc2 |
1469 1470 |
if (err < 0) { x->km.state = XFRM_STATE_DEAD; |
21380b81e [XFRM]: Eliminate... |
1471 |
__xfrm_state_put(x); |
7d6dfe1f5 [IPSEC] Fix xfrm_... |
1472 |
goto out; |
1da177e4c Linux-2.6.12-rc2 |
1473 |
} |
26b15dad9 [IPSEC] Add compl... |
1474 |
if (hdr->sadb_msg_type == SADB_ADD) |
f60f6b8f7 [IPSEC] Use XFRM_... |
1475 |
c.event = XFRM_MSG_NEWSA; |
26b15dad9 [IPSEC] Add compl... |
1476 |
else |
f60f6b8f7 [IPSEC] Use XFRM_... |
1477 |
c.event = XFRM_MSG_UPDSA; |
26b15dad9 [IPSEC] Add compl... |
1478 |
c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
1479 |
c.portid = hdr->sadb_msg_pid; |
26b15dad9 [IPSEC] Add compl... |
1480 |
km_state_notify(x, &c); |
7d6dfe1f5 [IPSEC] Fix xfrm_... |
1481 |
out: |
26b15dad9 [IPSEC] Add compl... |
1482 |
xfrm_state_put(x); |
26b15dad9 [IPSEC] Add compl... |
1483 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
1484 |
} |
4c93fbb06 pfkey: Use const ... |
1485 |
static int pfkey_delete(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1486 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1487 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
1488 |
struct xfrm_state *x; |
26b15dad9 [IPSEC] Add compl... |
1489 1490 |
struct km_event c; int err; |
1da177e4c Linux-2.6.12-rc2 |
1491 1492 1493 1494 1495 |
if (!ext_hdrs[SADB_EXT_SA-1] || !present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1])) return -EINVAL; |
07fb0f179 netns PF_KEY: part 2 |
1496 |
x = pfkey_xfrm_state_lookup(net, hdr, ext_hdrs); |
1da177e4c Linux-2.6.12-rc2 |
1497 1498 |
if (x == NULL) return -ESRCH; |
c8c05a8ee [LSM-IPsec]: SELi... |
1499 1500 |
if ((err = security_xfrm_state_delete(x))) goto out; |
1da177e4c Linux-2.6.12-rc2 |
1501 |
if (xfrm_state_kern(x)) { |
c8c05a8ee [LSM-IPsec]: SELi... |
1502 1503 |
err = -EPERM; goto out; |
1da177e4c Linux-2.6.12-rc2 |
1504 |
} |
161a09e73 audit: Add auditi... |
1505 |
|
26b15dad9 [IPSEC] Add compl... |
1506 |
err = xfrm_state_delete(x); |
161a09e73 audit: Add auditi... |
1507 |
|
c8c05a8ee [LSM-IPsec]: SELi... |
1508 1509 |
if (err < 0) goto out; |
1da177e4c Linux-2.6.12-rc2 |
1510 |
|
26b15dad9 [IPSEC] Add compl... |
1511 |
c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
1512 |
c.portid = hdr->sadb_msg_pid; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1513 |
c.event = XFRM_MSG_DELSA; |
26b15dad9 [IPSEC] Add compl... |
1514 |
km_state_notify(x, &c); |
c8c05a8ee [LSM-IPsec]: SELi... |
1515 |
out: |
2e71029e2 xfrm: Remove usel... |
1516 |
xfrm_audit_state_delete(x, err ? 0 : 1, true); |
26b15dad9 [IPSEC] Add compl... |
1517 |
xfrm_state_put(x); |
1da177e4c Linux-2.6.12-rc2 |
1518 |
|
26b15dad9 [IPSEC] Add compl... |
1519 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
1520 |
} |
4c93fbb06 pfkey: Use const ... |
1521 |
static int pfkey_get(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1522 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1523 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
1524 1525 1526 1527 1528 1529 1530 1531 1532 |
__u8 proto; struct sk_buff *out_skb; struct sadb_msg *out_hdr; struct xfrm_state *x; if (!ext_hdrs[SADB_EXT_SA-1] || !present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1])) return -EINVAL; |
07fb0f179 netns PF_KEY: part 2 |
1533 |
x = pfkey_xfrm_state_lookup(net, hdr, ext_hdrs); |
1da177e4c Linux-2.6.12-rc2 |
1534 1535 |
if (x == NULL) return -ESRCH; |
050f009e1 [IPSEC]: Lock sta... |
1536 |
out_skb = pfkey_xfrm_state2msg(x); |
1da177e4c Linux-2.6.12-rc2 |
1537 1538 1539 1540 1541 1542 1543 |
proto = x->id.proto; xfrm_state_put(x); if (IS_ERR(out_skb)) return PTR_ERR(out_skb); out_hdr = (struct sadb_msg *) out_skb->data; out_hdr->sadb_msg_version = hdr->sadb_msg_version; |
435000beb [PFKEY]: Sending ... |
1544 |
out_hdr->sadb_msg_type = SADB_GET; |
1da177e4c Linux-2.6.12-rc2 |
1545 1546 1547 1548 1549 |
out_hdr->sadb_msg_satype = pfkey_proto2satype(proto); out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_reserved = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; |
36f41f8fc af_key: do not us... |
1550 |
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk)); |
1da177e4c Linux-2.6.12-rc2 |
1551 1552 1553 |
return 0; } |
4c93fbb06 pfkey: Use const ... |
1554 |
static struct sk_buff *compose_sadb_supported(const struct sadb_msg *orig, |
dd0fc66fb [PATCH] gfp flags... |
1555 |
gfp_t allocation) |
1da177e4c Linux-2.6.12-rc2 |
1556 1557 1558 1559 |
{ struct sk_buff *skb; struct sadb_msg *hdr; int len, auth_len, enc_len, i; |
7e50f84c9 pf_key/xfrm_algo:... |
1560 |
auth_len = xfrm_count_pfkey_auth_supported(); |
1da177e4c Linux-2.6.12-rc2 |
1561 1562 1563 1564 |
if (auth_len) { auth_len *= sizeof(struct sadb_alg); auth_len += sizeof(struct sadb_supported); } |
8ff24541d [NET] KEY: Fix wh... |
1565 |
|
7e50f84c9 pf_key/xfrm_algo:... |
1566 |
enc_len = xfrm_count_pfkey_enc_supported(); |
1da177e4c Linux-2.6.12-rc2 |
1567 1568 1569 1570 |
if (enc_len) { enc_len *= sizeof(struct sadb_alg); enc_len += sizeof(struct sadb_supported); } |
8ff24541d [NET] KEY: Fix wh... |
1571 |
|
1da177e4c Linux-2.6.12-rc2 |
1572 1573 1574 1575 1576 |
len = enc_len + auth_len + sizeof(struct sadb_msg); skb = alloc_skb(len + 16, allocation); if (!skb) goto out_put_algs; |
4df864c1d networking: make ... |
1577 |
hdr = skb_put(skb, sizeof(*hdr)); |
1da177e4c Linux-2.6.12-rc2 |
1578 1579 1580 1581 1582 1583 1584 |
pfkey_hdr_dup(hdr, orig); hdr->sadb_msg_errno = 0; hdr->sadb_msg_len = len / sizeof(uint64_t); if (auth_len) { struct sadb_supported *sp; struct sadb_alg *ap; |
4df864c1d networking: make ... |
1585 |
sp = skb_put(skb, auth_len); |
1da177e4c Linux-2.6.12-rc2 |
1586 1587 1588 1589 1590 1591 1592 1593 1594 |
ap = (struct sadb_alg *) (sp + 1); sp->sadb_supported_len = auth_len / sizeof(uint64_t); sp->sadb_supported_exttype = SADB_EXT_SUPPORTED_AUTH; for (i = 0; ; i++) { struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(i); if (!aalg) break; |
7e50f84c9 pf_key/xfrm_algo:... |
1595 1596 |
if (!aalg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
1597 1598 1599 1600 1601 1602 1603 1604 |
if (aalg->available) *ap++ = aalg->desc; } } if (enc_len) { struct sadb_supported *sp; struct sadb_alg *ap; |
4df864c1d networking: make ... |
1605 |
sp = skb_put(skb, enc_len); |
1da177e4c Linux-2.6.12-rc2 |
1606 1607 1608 1609 1610 1611 1612 1613 1614 |
ap = (struct sadb_alg *) (sp + 1); sp->sadb_supported_len = enc_len / sizeof(uint64_t); sp->sadb_supported_exttype = SADB_EXT_SUPPORTED_ENCRYPT; for (i = 0; ; i++) { struct xfrm_algo_desc *ealg = xfrm_ealg_get_byidx(i); if (!ealg) break; |
7e50f84c9 pf_key/xfrm_algo:... |
1615 1616 |
if (!ealg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
1617 1618 1619 1620 1621 1622 1623 1624 |
if (ealg->available) *ap++ = ealg->desc; } } out_put_algs: return skb; } |
4c93fbb06 pfkey: Use const ... |
1625 |
static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 |
{ struct pfkey_sock *pfk = pfkey_sk(sk); struct sk_buff *supp_skb; if (hdr->sadb_msg_satype > SADB_SATYPE_MAX) return -EINVAL; if (hdr->sadb_msg_satype != SADB_SATYPE_UNSPEC) { if (pfk->registered&(1<<hdr->sadb_msg_satype)) return -EEXIST; pfk->registered |= (1<<hdr->sadb_msg_satype); } xfrm_probe_algs(); |
8ff24541d [NET] KEY: Fix wh... |
1640 |
|
1da177e4c Linux-2.6.12-rc2 |
1641 1642 1643 1644 1645 1646 1647 |
supp_skb = compose_sadb_supported(hdr, GFP_KERNEL); if (!supp_skb) { if (hdr->sadb_msg_satype != SADB_SATYPE_UNSPEC) pfk->registered &= ~(1<<hdr->sadb_msg_satype); return -ENOBUFS; } |
36f41f8fc af_key: do not us... |
1648 1649 |
pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk, sock_net(sk)); |
1da177e4c Linux-2.6.12-rc2 |
1650 1651 |
return 0; } |
4c93fbb06 pfkey: Use const ... |
1652 |
static int unicast_flush_resp(struct sock *sk, const struct sadb_msg *ihdr) |
8be987d73 pfkey: fix SA and... |
1653 1654 1655 1656 1657 1658 1659 |
{ struct sk_buff *skb; struct sadb_msg *hdr; skb = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC); if (!skb) return -ENOBUFS; |
59ae1d127 networking: intro... |
1660 |
hdr = skb_put_data(skb, ihdr, sizeof(struct sadb_msg)); |
8be987d73 pfkey: fix SA and... |
1661 1662 |
hdr->sadb_msg_errno = (uint8_t) 0; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); |
36f41f8fc af_key: do not us... |
1663 1664 |
return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk)); |
8be987d73 pfkey: fix SA and... |
1665 |
} |
214e005bc xfrm: Pass km_eve... |
1666 |
static int key_notify_sa_flush(const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
1667 1668 1669 1670 1671 1672 1673 |
{ struct sk_buff *skb; struct sadb_msg *hdr; skb = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC); if (!skb) return -ENOBUFS; |
4df864c1d networking: make ... |
1674 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
bf08867f9 [IPSEC] Turn km_e... |
1675 |
hdr->sadb_msg_satype = pfkey_proto2satype(c->data.proto); |
151bb0ffe [AF_KEY]: no mess... |
1676 |
hdr->sadb_msg_type = SADB_FLUSH; |
26b15dad9 [IPSEC] Add compl... |
1677 |
hdr->sadb_msg_seq = c->seq; |
15e473046 netlink: Rename p... |
1678 |
hdr->sadb_msg_pid = c->portid; |
26b15dad9 [IPSEC] Add compl... |
1679 1680 1681 |
hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_errno = (uint8_t) 0; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); |
a5cc68f3d af_key: fix info ... |
1682 |
hdr->sadb_msg_reserved = 0; |
26b15dad9 [IPSEC] Add compl... |
1683 |
|
36f41f8fc af_key: do not us... |
1684 |
pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); |
26b15dad9 [IPSEC] Add compl... |
1685 1686 1687 |
return 0; } |
4c93fbb06 pfkey: Use const ... |
1688 |
static int pfkey_flush(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1689 |
{ |
07fb0f179 netns PF_KEY: part 2 |
1690 |
struct net *net = sock_net(sk); |
95c961747 net: cleanup unsi... |
1691 |
unsigned int proto; |
26b15dad9 [IPSEC] Add compl... |
1692 |
struct km_event c; |
8be987d73 pfkey: fix SA and... |
1693 |
int err, err2; |
1da177e4c Linux-2.6.12-rc2 |
1694 1695 1696 1697 |
proto = pfkey_satype2proto(hdr->sadb_msg_satype); if (proto == 0) return -EINVAL; |
2e71029e2 xfrm: Remove usel... |
1698 |
err = xfrm_state_flush(net, proto, true); |
8be987d73 pfkey: fix SA and... |
1699 |
err2 = unicast_flush_resp(sk, hdr); |
9e64cc957 xfrm: Flushing em... |
1700 1701 1702 |
if (err || err2) { if (err == -ESRCH) /* empty table - go quietly */ err = 0; |
8be987d73 pfkey: fix SA and... |
1703 |
return err ? err : err2; |
9e64cc957 xfrm: Flushing em... |
1704 |
} |
8be987d73 pfkey: fix SA and... |
1705 |
|
bf08867f9 [IPSEC] Turn km_e... |
1706 |
c.data.proto = proto; |
26b15dad9 [IPSEC] Add compl... |
1707 |
c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
1708 |
c.portid = hdr->sadb_msg_pid; |
f60f6b8f7 [IPSEC] Use XFRM_... |
1709 |
c.event = XFRM_MSG_FLUSHSA; |
07fb0f179 netns PF_KEY: part 2 |
1710 |
c.net = net; |
26b15dad9 [IPSEC] Add compl... |
1711 |
km_state_notify(NULL, &c); |
1da177e4c Linux-2.6.12-rc2 |
1712 1713 1714 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1715 1716 |
static int dump_sa(struct xfrm_state *x, int count, void *ptr) { |
83321d6b9 [AF_KEY]: Dump SA... |
1717 |
struct pfkey_sock *pfk = ptr; |
1da177e4c Linux-2.6.12-rc2 |
1718 1719 |
struct sk_buff *out_skb; struct sadb_msg *out_hdr; |
83321d6b9 [AF_KEY]: Dump SA... |
1720 1721 |
if (!pfkey_can_dump(&pfk->sk)) return -ENOBUFS; |
050f009e1 [IPSEC]: Lock sta... |
1722 |
out_skb = pfkey_xfrm_state2msg(x); |
1da177e4c Linux-2.6.12-rc2 |
1723 1724 1725 1726 |
if (IS_ERR(out_skb)) return PTR_ERR(out_skb); out_hdr = (struct sadb_msg *) out_skb->data; |
83321d6b9 [AF_KEY]: Dump SA... |
1727 |
out_hdr->sadb_msg_version = pfk->dump.msg_version; |
1da177e4c Linux-2.6.12-rc2 |
1728 1729 1730 1731 |
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; |
12a169e7d ipsec: Put dumper... |
1732 |
out_hdr->sadb_msg_seq = count + 1; |
15e473046 netlink: Rename p... |
1733 |
out_hdr->sadb_msg_pid = pfk->dump.msg_portid; |
12a169e7d ipsec: Put dumper... |
1734 1735 |
if (pfk->dump.skb) |
36f41f8fc af_key: do not us... |
1736 |
pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, |
07fb0f179 netns PF_KEY: part 2 |
1737 |
&pfk->sk, sock_net(&pfk->sk)); |
12a169e7d ipsec: Put dumper... |
1738 |
pfk->dump.skb = out_skb; |
1da177e4c Linux-2.6.12-rc2 |
1739 1740 |
return 0; } |
83321d6b9 [AF_KEY]: Dump SA... |
1741 1742 |
static int pfkey_dump_sa(struct pfkey_sock *pfk) { |
07fb0f179 netns PF_KEY: part 2 |
1743 1744 |
struct net *net = sock_net(&pfk->sk); return xfrm_state_walk(net, &pfk->dump.u.state, dump_sa, (void *) pfk); |
83321d6b9 [AF_KEY]: Dump SA... |
1745 1746 1747 1748 |
} static void pfkey_dump_sa_done(struct pfkey_sock *pfk) { |
283bc9f35 xfrm: Namespacify... |
1749 1750 1751 |
struct net *net = sock_net(&pfk->sk); xfrm_state_walk_done(&pfk->dump.u.state, net); |
83321d6b9 [AF_KEY]: Dump SA... |
1752 |
} |
4c93fbb06 pfkey: Use const ... |
1753 |
static int pfkey_dump(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1754 1755 |
{ u8 proto; |
870a2df4c xfrm: rename stru... |
1756 |
struct xfrm_address_filter *filter = NULL; |
83321d6b9 [AF_KEY]: Dump SA... |
1757 |
struct pfkey_sock *pfk = pfkey_sk(sk); |
89e357d83 af_key: Add lock ... |
1758 1759 1760 |
mutex_lock(&pfk->dump_lock); if (pfk->dump.dump != NULL) { mutex_unlock(&pfk->dump_lock); |
83321d6b9 [AF_KEY]: Dump SA... |
1761 |
return -EBUSY; |
89e357d83 af_key: Add lock ... |
1762 |
} |
1da177e4c Linux-2.6.12-rc2 |
1763 1764 |
proto = pfkey_satype2proto(hdr->sadb_msg_satype); |
89e357d83 af_key: Add lock ... |
1765 1766 |
if (proto == 0) { mutex_unlock(&pfk->dump_lock); |
1da177e4c Linux-2.6.12-rc2 |
1767 |
return -EINVAL; |
89e357d83 af_key: Add lock ... |
1768 |
} |
1da177e4c Linux-2.6.12-rc2 |
1769 |
|
d3623099d ipsec: add suppor... |
1770 1771 1772 1773 |
if (ext_hdrs[SADB_X_EXT_FILTER - 1]) { struct sadb_x_filter *xfilter = ext_hdrs[SADB_X_EXT_FILTER - 1]; filter = kmalloc(sizeof(*filter), GFP_KERNEL); |
89e357d83 af_key: Add lock ... |
1774 1775 |
if (filter == NULL) { mutex_unlock(&pfk->dump_lock); |
d3623099d ipsec: add suppor... |
1776 |
return -ENOMEM; |
89e357d83 af_key: Add lock ... |
1777 |
} |
d3623099d ipsec: add suppor... |
1778 1779 1780 1781 1782 1783 1784 1785 1786 |
memcpy(&filter->saddr, &xfilter->sadb_x_filter_saddr, sizeof(xfrm_address_t)); memcpy(&filter->daddr, &xfilter->sadb_x_filter_daddr, sizeof(xfrm_address_t)); filter->family = xfilter->sadb_x_filter_family; filter->splen = xfilter->sadb_x_filter_splen; filter->dplen = xfilter->sadb_x_filter_dplen; } |
83321d6b9 [AF_KEY]: Dump SA... |
1787 |
pfk->dump.msg_version = hdr->sadb_msg_version; |
15e473046 netlink: Rename p... |
1788 |
pfk->dump.msg_portid = hdr->sadb_msg_pid; |
83321d6b9 [AF_KEY]: Dump SA... |
1789 1790 |
pfk->dump.dump = pfkey_dump_sa; pfk->dump.done = pfkey_dump_sa_done; |
d3623099d ipsec: add suppor... |
1791 |
xfrm_state_walk_init(&pfk->dump.u.state, proto, filter); |
89e357d83 af_key: Add lock ... |
1792 |
mutex_unlock(&pfk->dump_lock); |
4c563f766 [XFRM]: Speed up ... |
1793 |
|
83321d6b9 [AF_KEY]: Dump SA... |
1794 |
return pfkey_do_dump(pfk); |
1da177e4c Linux-2.6.12-rc2 |
1795 |
} |
4c93fbb06 pfkey: Use const ... |
1796 |
static int pfkey_promisc(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
1797 1798 1799 |
{ struct pfkey_sock *pfk = pfkey_sk(sk); int satype = hdr->sadb_msg_satype; |
4c93fbb06 pfkey: Use const ... |
1800 |
bool reset_errno = false; |
1da177e4c Linux-2.6.12-rc2 |
1801 1802 |
if (hdr->sadb_msg_len == (sizeof(*hdr) / sizeof(uint64_t))) { |
4c93fbb06 pfkey: Use const ... |
1803 |
reset_errno = true; |
1da177e4c Linux-2.6.12-rc2 |
1804 1805 1806 1807 |
if (satype != 0 && satype != 1) return -EINVAL; pfk->promisc = satype; } |
4c93fbb06 pfkey: Use const ... |
1808 1809 1810 1811 1812 1813 1814 1815 1816 |
if (reset_errno && skb_cloned(skb)) skb = skb_copy(skb, GFP_KERNEL); else skb = skb_clone(skb, GFP_KERNEL); if (reset_errno && skb) { struct sadb_msg *new_hdr = (struct sadb_msg *) skb->data; new_hdr->sadb_msg_errno = 0; } |
36f41f8fc af_key: do not us... |
1817 |
pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk)); |
1da177e4c Linux-2.6.12-rc2 |
1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 |
return 0; } static int check_reqid(struct xfrm_policy *xp, int dir, int count, void *ptr) { int i; u32 reqid = *(u32*)ptr; for (i=0; i<xp->xfrm_nr; i++) { if (xp->xfrm_vec[i].reqid == reqid) return -EEXIST; } return 0; } |
07fb0f179 netns PF_KEY: part 2 |
1832 |
static u32 gen_reqid(struct net *net) |
1da177e4c Linux-2.6.12-rc2 |
1833 |
{ |
4c563f766 [XFRM]: Speed up ... |
1834 |
struct xfrm_policy_walk walk; |
1da177e4c Linux-2.6.12-rc2 |
1835 |
u32 start; |
4c563f766 [XFRM]: Speed up ... |
1836 |
int rc; |
1da177e4c Linux-2.6.12-rc2 |
1837 1838 1839 1840 1841 1842 1843 |
static u32 reqid = IPSEC_MANUAL_REQID_MAX; start = reqid; do { ++reqid; if (reqid == 0) reqid = IPSEC_MANUAL_REQID_MAX+1; |
4c563f766 [XFRM]: Speed up ... |
1844 |
xfrm_policy_walk_init(&walk, XFRM_POLICY_TYPE_MAIN); |
07fb0f179 netns PF_KEY: part 2 |
1845 |
rc = xfrm_policy_walk(net, &walk, check_reqid, (void*)&reqid); |
283bc9f35 xfrm: Namespacify... |
1846 |
xfrm_policy_walk_done(&walk, net); |
4c563f766 [XFRM]: Speed up ... |
1847 |
if (rc != -EEXIST) |
1da177e4c Linux-2.6.12-rc2 |
1848 1849 1850 1851 1852 1853 1854 1855 |
return reqid; } while (reqid != start); return 0; } static int parse_ipsecrequest(struct xfrm_policy *xp, struct sadb_x_ipsecrequest *rq) { |
07fb0f179 netns PF_KEY: part 2 |
1856 |
struct net *net = xp_net(xp); |
1da177e4c Linux-2.6.12-rc2 |
1857 |
struct xfrm_tmpl *t = xp->xfrm_vec + xp->xfrm_nr; |
55569ce25 [KEY]: Fix conver... |
1858 |
int mode; |
1da177e4c Linux-2.6.12-rc2 |
1859 1860 1861 1862 1863 1864 1865 1866 |
if (xp->xfrm_nr >= XFRM_MAX_DEPTH) return -ELOOP; if (rq->sadb_x_ipsecrequest_mode == 0) return -EINVAL; t->id.proto = rq->sadb_x_ipsecrequest_proto; /* XXX check proto */ |
55569ce25 [KEY]: Fix conver... |
1867 1868 1869 |
if ((mode = pfkey_mode_to_xfrm(rq->sadb_x_ipsecrequest_mode)) < 0) return -EINVAL; t->mode = mode; |
1da177e4c Linux-2.6.12-rc2 |
1870 1871 1872 1873 1874 1875 |
if (rq->sadb_x_ipsecrequest_level == IPSEC_LEVEL_USE) t->optional = 1; else if (rq->sadb_x_ipsecrequest_level == IPSEC_LEVEL_UNIQUE) { t->reqid = rq->sadb_x_ipsecrequest_reqid; if (t->reqid > IPSEC_MANUAL_REQID_MAX) t->reqid = 0; |
07fb0f179 netns PF_KEY: part 2 |
1876 |
if (!t->reqid && !(t->reqid = gen_reqid(net))) |
1da177e4c Linux-2.6.12-rc2 |
1877 1878 1879 1880 |
return -ENOBUFS; } /* addresses present only in tunnel mode */ |
7e49e6de3 [XFRM]: Add XFRM_... |
1881 |
if (t->mode == XFRM_MODE_TUNNEL) { |
096f41d3a af_key: Fix sadb_... |
1882 |
int err; |
5f95ac911 key: Share common... |
1883 |
|
096f41d3a af_key: Fix sadb_... |
1884 1885 1886 1887 1888 1889 |
err = parse_sockaddr_pair( (struct sockaddr *)(rq + 1), rq->sadb_x_ipsecrequest_len - sizeof(*rq), &t->saddr, &t->id.daddr, &t->encap_family); if (err) return err; |
2718aa7c5 [IPSEC]: Add AF_K... |
1890 1891 |
} else t->encap_family = xp->family; |
1da177e4c Linux-2.6.12-rc2 |
1892 |
/* No way to set this via kame pfkey */ |
c5d18e984 [IPSEC]: Fix catc... |
1893 |
t->allalgs = 1; |
1da177e4c Linux-2.6.12-rc2 |
1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 |
xp->xfrm_nr++; return 0; } static int parse_ipsecrequests(struct xfrm_policy *xp, struct sadb_x_policy *pol) { int err; int len = pol->sadb_x_policy_len*8 - sizeof(struct sadb_x_policy); struct sadb_x_ipsecrequest *rq = (void*)(pol+1); |
f674e72ff net/key/af_key.c:... |
1904 1905 |
if (pol->sadb_x_policy_len * 8 < sizeof(struct sadb_x_policy)) return -EINVAL; |
096f41d3a af_key: Fix sadb_... |
1906 1907 1908 1909 |
while (len >= sizeof(*rq)) { if (len < rq->sadb_x_ipsecrequest_len || rq->sadb_x_ipsecrequest_len < sizeof(*rq)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
1910 1911 1912 1913 1914 1915 1916 |
if ((err = parse_ipsecrequest(xp, rq)) < 0) return err; len -= rq->sadb_x_ipsecrequest_len; rq = (void*)((u8*)rq + rq->sadb_x_ipsecrequest_len); } return 0; } |
4c93fbb06 pfkey: Use const ... |
1917 |
static inline int pfkey_xfrm_policy2sec_ctx_size(const struct xfrm_policy *xp) |
df71837d5 [LSM-IPSec]: Secu... |
1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 |
{ struct xfrm_sec_ctx *xfrm_ctx = xp->security; if (xfrm_ctx) { int len = sizeof(struct sadb_x_sec_ctx); len += xfrm_ctx->ctx_len; return PFKEY_ALIGN8(len); } return 0; } |
4c93fbb06 pfkey: Use const ... |
1928 |
static int pfkey_xfrm_policy2msg_size(const struct xfrm_policy *xp) |
1da177e4c Linux-2.6.12-rc2 |
1929 |
{ |
4c93fbb06 pfkey: Use const ... |
1930 |
const struct xfrm_tmpl *t; |
1da177e4c Linux-2.6.12-rc2 |
1931 |
int sockaddr_size = pfkey_sockaddr_size(xp->family); |
2718aa7c5 [IPSEC]: Add AF_K... |
1932 1933 1934 1935 1936 |
int socklen = 0; int i; for (i=0; i<xp->xfrm_nr; i++) { t = xp->xfrm_vec + i; |
9e8b4ed8b key: Introduce pf... |
1937 |
socklen += pfkey_sockaddr_len(t->encap_family); |
2718aa7c5 [IPSEC]: Add AF_K... |
1938 |
} |
1da177e4c Linux-2.6.12-rc2 |
1939 1940 1941 |
return sizeof(struct sadb_msg) + (sizeof(struct sadb_lifetime) * 3) + |
8ff24541d [NET] KEY: Fix wh... |
1942 |
(sizeof(struct sadb_address) * 2) + |
1da177e4c Linux-2.6.12-rc2 |
1943 1944 |
(sockaddr_size * 2) + sizeof(struct sadb_x_policy) + |
2718aa7c5 [IPSEC]: Add AF_K... |
1945 1946 |
(xp->xfrm_nr * sizeof(struct sadb_x_ipsecrequest)) + (socklen * 2) + |
df71837d5 [LSM-IPSec]: Secu... |
1947 |
pfkey_xfrm_policy2sec_ctx_size(xp); |
1da177e4c Linux-2.6.12-rc2 |
1948 |
} |
4c93fbb06 pfkey: Use const ... |
1949 |
static struct sk_buff * pfkey_xfrm_policy2msg_prep(const struct xfrm_policy *xp) |
1da177e4c Linux-2.6.12-rc2 |
1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 |
{ struct sk_buff *skb; int size; size = pfkey_xfrm_policy2msg_size(xp); skb = alloc_skb(size + 16, GFP_ATOMIC); if (skb == NULL) return ERR_PTR(-ENOBUFS); return skb; } |
4c93fbb06 pfkey: Use const ... |
1962 |
static int pfkey_xfrm_policy2msg(struct sk_buff *skb, const struct xfrm_policy *xp, int dir) |
1da177e4c Linux-2.6.12-rc2 |
1963 1964 1965 1966 1967 |
{ struct sadb_msg *hdr; struct sadb_address *addr; struct sadb_lifetime *lifetime; struct sadb_x_policy *pol; |
df71837d5 [LSM-IPSec]: Secu... |
1968 1969 |
struct sadb_x_sec_ctx *sec_ctx; struct xfrm_sec_ctx *xfrm_ctx; |
1da177e4c Linux-2.6.12-rc2 |
1970 1971 1972 |
int i; int size; int sockaddr_size = pfkey_sockaddr_size(xp->family); |
9e8b4ed8b key: Introduce pf... |
1973 |
int socklen = pfkey_sockaddr_len(xp->family); |
1da177e4c Linux-2.6.12-rc2 |
1974 1975 1976 1977 |
size = pfkey_xfrm_policy2msg_size(xp); /* call should fill header later */ |
4df864c1d networking: make ... |
1978 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
1da177e4c Linux-2.6.12-rc2 |
1979 1980 1981 |
memset(hdr, 0, size); /* XXX do we need this ? */ /* src address */ |
4df864c1d networking: make ... |
1982 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
1983 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
1984 1985 1986 1987 1988 1989 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto); addr->sadb_address_prefixlen = xp->selector.prefixlen_s; addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
1990 1991 1992 1993 |
if (!pfkey_sockaddr_fill(&xp->selector.saddr, xp->selector.sport, (struct sockaddr *) (addr + 1), xp->family)) |
1da177e4c Linux-2.6.12-rc2 |
1994 1995 1996 |
BUG(); /* dst address */ |
4df864c1d networking: make ... |
1997 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
1da177e4c Linux-2.6.12-rc2 |
1998 1999 2000 2001 2002 |
addr->sadb_address_len = (sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; addr->sadb_address_proto = pfkey_proto_from_xfrm(xp->selector.proto); |
8ff24541d [NET] KEY: Fix wh... |
2003 |
addr->sadb_address_prefixlen = xp->selector.prefixlen_d; |
1da177e4c Linux-2.6.12-rc2 |
2004 |
addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
2005 2006 2007 2008 |
pfkey_sockaddr_fill(&xp->selector.daddr, xp->selector.dport, (struct sockaddr *) (addr + 1), xp->family); |
1da177e4c Linux-2.6.12-rc2 |
2009 2010 |
/* hard time */ |
4df864c1d networking: make ... |
2011 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
2012 2013 2014 2015 2016 2017 2018 2019 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_HARD; lifetime->sadb_lifetime_allocations = _X2KEY(xp->lft.hard_packet_limit); lifetime->sadb_lifetime_bytes = _X2KEY(xp->lft.hard_byte_limit); lifetime->sadb_lifetime_addtime = xp->lft.hard_add_expires_seconds; lifetime->sadb_lifetime_usetime = xp->lft.hard_use_expires_seconds; /* soft time */ |
4df864c1d networking: make ... |
2020 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
2021 2022 2023 2024 2025 2026 2027 2028 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_SOFT; lifetime->sadb_lifetime_allocations = _X2KEY(xp->lft.soft_packet_limit); lifetime->sadb_lifetime_bytes = _X2KEY(xp->lft.soft_byte_limit); lifetime->sadb_lifetime_addtime = xp->lft.soft_add_expires_seconds; lifetime->sadb_lifetime_usetime = xp->lft.soft_use_expires_seconds; /* current time */ |
4df864c1d networking: make ... |
2029 |
lifetime = skb_put(skb, sizeof(struct sadb_lifetime)); |
1da177e4c Linux-2.6.12-rc2 |
2030 2031 2032 2033 2034 2035 2036 |
lifetime->sadb_lifetime_len = sizeof(struct sadb_lifetime)/sizeof(uint64_t); lifetime->sadb_lifetime_exttype = SADB_EXT_LIFETIME_CURRENT; lifetime->sadb_lifetime_allocations = xp->curlft.packets; lifetime->sadb_lifetime_bytes = xp->curlft.bytes; lifetime->sadb_lifetime_addtime = xp->curlft.add_time; lifetime->sadb_lifetime_usetime = xp->curlft.use_time; |
4df864c1d networking: make ... |
2037 |
pol = skb_put(skb, sizeof(struct sadb_x_policy)); |
1da177e4c Linux-2.6.12-rc2 |
2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 |
pol->sadb_x_policy_len = sizeof(struct sadb_x_policy)/sizeof(uint64_t); pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; pol->sadb_x_policy_type = IPSEC_POLICY_DISCARD; if (xp->action == XFRM_POLICY_ALLOW) { if (xp->xfrm_nr) pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; else pol->sadb_x_policy_type = IPSEC_POLICY_NONE; } pol->sadb_x_policy_dir = dir+1; |
ff862a466 af_key: more info... |
2048 |
pol->sadb_x_policy_reserved = 0; |
1da177e4c Linux-2.6.12-rc2 |
2049 2050 2051 2052 |
pol->sadb_x_policy_id = xp->index; pol->sadb_x_policy_priority = xp->priority; for (i=0; i<xp->xfrm_nr; i++) { |
4c93fbb06 pfkey: Use const ... |
2053 |
const struct xfrm_tmpl *t = xp->xfrm_vec + i; |
1da177e4c Linux-2.6.12-rc2 |
2054 |
struct sadb_x_ipsecrequest *rq; |
1da177e4c Linux-2.6.12-rc2 |
2055 |
int req_size; |
55569ce25 [KEY]: Fix conver... |
2056 |
int mode; |
1da177e4c Linux-2.6.12-rc2 |
2057 2058 |
req_size = sizeof(struct sadb_x_ipsecrequest); |
e5b56652c key: Share common... |
2059 2060 2061 2062 |
if (t->mode == XFRM_MODE_TUNNEL) { socklen = pfkey_sockaddr_len(t->encap_family); req_size += socklen * 2; } else { |
1da177e4c Linux-2.6.12-rc2 |
2063 |
size -= 2*socklen; |
e5b56652c key: Share common... |
2064 |
} |
4df864c1d networking: make ... |
2065 |
rq = skb_put(skb, req_size); |
1da177e4c Linux-2.6.12-rc2 |
2066 2067 2068 2069 |
pol->sadb_x_policy_len += req_size/8; memset(rq, 0, sizeof(*rq)); rq->sadb_x_ipsecrequest_len = req_size; rq->sadb_x_ipsecrequest_proto = t->id.proto; |
55569ce25 [KEY]: Fix conver... |
2070 2071 |
if ((mode = pfkey_mode_from_xfrm(t->mode)) < 0) return -EINVAL; |
fefaa75e0 [IPSEC] af_key: F... |
2072 |
rq->sadb_x_ipsecrequest_mode = mode; |
1da177e4c Linux-2.6.12-rc2 |
2073 2074 2075 2076 2077 2078 |
rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_REQUIRE; if (t->reqid) rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_UNIQUE; if (t->optional) rq->sadb_x_ipsecrequest_level = IPSEC_LEVEL_USE; rq->sadb_x_ipsecrequest_reqid = t->reqid; |
e5b56652c key: Share common... |
2079 |
|
7e49e6de3 [XFRM]: Add XFRM_... |
2080 |
if (t->mode == XFRM_MODE_TUNNEL) { |
e5b56652c key: Share common... |
2081 2082 2083 2084 2085 2086 2087 |
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); |
1da177e4c Linux-2.6.12-rc2 |
2088 2089 |
} } |
df71837d5 [LSM-IPSec]: Secu... |
2090 2091 2092 2093 |
/* security context */ if ((xfrm_ctx = xp->security)) { int ctx_size = pfkey_xfrm_policy2sec_ctx_size(xp); |
4df864c1d networking: make ... |
2094 |
sec_ctx = skb_put(skb, ctx_size); |
df71837d5 [LSM-IPSec]: Secu... |
2095 2096 2097 2098 2099 2100 2101 2102 |
sec_ctx->sadb_x_sec_len = ctx_size / sizeof(uint64_t); sec_ctx->sadb_x_sec_exttype = SADB_X_EXT_SEC_CTX; sec_ctx->sadb_x_ctx_doi = xfrm_ctx->ctx_doi; sec_ctx->sadb_x_ctx_alg = xfrm_ctx->ctx_alg; sec_ctx->sadb_x_ctx_len = xfrm_ctx->ctx_len; memcpy(sec_ctx + 1, xfrm_ctx->ctx_str, xfrm_ctx->ctx_len); } |
1da177e4c Linux-2.6.12-rc2 |
2103 |
hdr->sadb_msg_len = size / sizeof(uint64_t); |
850a6212c net, xfrm: conver... |
2104 |
hdr->sadb_msg_reserved = refcount_read(&xp->refcnt); |
55569ce25 [KEY]: Fix conver... |
2105 2106 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
2107 |
} |
214e005bc xfrm: Pass km_eve... |
2108 |
static int key_notify_policy(struct xfrm_policy *xp, int dir, const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
2109 2110 2111 2112 2113 2114 |
{ struct sk_buff *out_skb; struct sadb_msg *out_hdr; int err; out_skb = pfkey_xfrm_policy2msg_prep(xp); |
9a127aad4 af_key: return er... |
2115 2116 |
if (IS_ERR(out_skb)) return PTR_ERR(out_skb); |
55569ce25 [KEY]: Fix conver... |
2117 2118 2119 |
err = pfkey_xfrm_policy2msg(out_skb, xp, dir); if (err < 0) return err; |
26b15dad9 [IPSEC] Add compl... |
2120 2121 2122 |
out_hdr = (struct sadb_msg *) out_skb->data; out_hdr->sadb_msg_version = PF_KEY_V2; |
f60f6b8f7 [IPSEC] Use XFRM_... |
2123 |
if (c->data.byid && c->event == XFRM_MSG_DELPOLICY) |
26b15dad9 [IPSEC] Add compl... |
2124 2125 2126 2127 2128 |
out_hdr->sadb_msg_type = SADB_X_SPDDELETE2; else out_hdr->sadb_msg_type = event2poltype(c->event); out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = c->seq; |
15e473046 netlink: Rename p... |
2129 |
out_hdr->sadb_msg_pid = c->portid; |
36f41f8fc af_key: do not us... |
2130 |
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp)); |
26b15dad9 [IPSEC] Add compl... |
2131 2132 2133 |
return 0; } |
4c93fbb06 pfkey: Use const ... |
2134 |
static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
2135 |
{ |
07fb0f179 netns PF_KEY: part 2 |
2136 |
struct net *net = sock_net(sk); |
df71837d5 [LSM-IPSec]: Secu... |
2137 |
int err = 0; |
1da177e4c Linux-2.6.12-rc2 |
2138 2139 2140 2141 |
struct sadb_lifetime *lifetime; struct sadb_address *sa; struct sadb_x_policy *pol; struct xfrm_policy *xp; |
26b15dad9 [IPSEC] Add compl... |
2142 |
struct km_event c; |
df71837d5 [LSM-IPSec]: Secu... |
2143 |
struct sadb_x_sec_ctx *sec_ctx; |
1da177e4c Linux-2.6.12-rc2 |
2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 |
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1]) || !ext_hdrs[SADB_X_EXT_POLICY-1]) return -EINVAL; pol = ext_hdrs[SADB_X_EXT_POLICY-1]; if (pol->sadb_x_policy_type > IPSEC_POLICY_IPSEC) return -EINVAL; if (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir >= IPSEC_DIR_MAX) return -EINVAL; |
07fb0f179 netns PF_KEY: part 2 |
2155 |
xp = xfrm_policy_alloc(net, GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
2156 2157 2158 2159 2160 2161 |
if (xp == NULL) return -ENOBUFS; xp->action = (pol->sadb_x_policy_type == IPSEC_POLICY_DISCARD ? XFRM_POLICY_BLOCK : XFRM_POLICY_ALLOW); xp->priority = pol->sadb_x_policy_priority; |
d0d79c3fd afkey: fix a typo |
2162 |
sa = ext_hdrs[SADB_EXT_ADDRESS_SRC-1]; |
1da177e4c Linux-2.6.12-rc2 |
2163 |
xp->family = pfkey_sadb_addr2xfrm_addr(sa, &xp->selector.saddr); |
1da177e4c Linux-2.6.12-rc2 |
2164 2165 2166 2167 2168 |
xp->selector.family = xp->family; xp->selector.prefixlen_s = sa->sadb_address_prefixlen; xp->selector.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); xp->selector.sport = ((struct sockaddr_in *)(sa+1))->sin_port; if (xp->selector.sport) |
8f83f23e6 [XFRM]: ports in ... |
2169 |
xp->selector.sport_mask = htons(0xffff); |
1da177e4c Linux-2.6.12-rc2 |
2170 |
|
d0d79c3fd afkey: fix a typo |
2171 |
sa = ext_hdrs[SADB_EXT_ADDRESS_DST-1]; |
1da177e4c Linux-2.6.12-rc2 |
2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 |
pfkey_sadb_addr2xfrm_addr(sa, &xp->selector.daddr); xp->selector.prefixlen_d = sa->sadb_address_prefixlen; /* Amusing, we set this twice. KAME apps appear to set same value * in both addresses. */ xp->selector.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); xp->selector.dport = ((struct sockaddr_in *)(sa+1))->sin_port; if (xp->selector.dport) |
8f83f23e6 [XFRM]: ports in ... |
2182 |
xp->selector.dport_mask = htons(0xffff); |
1da177e4c Linux-2.6.12-rc2 |
2183 |
|
ea1107338 net: Remove casts... |
2184 |
sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1]; |
df71837d5 [LSM-IPSec]: Secu... |
2185 |
if (sec_ctx != NULL) { |
87536a81e net: af_key: fix ... |
2186 |
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx, GFP_KERNEL); |
df71837d5 [LSM-IPSec]: Secu... |
2187 2188 2189 2190 2191 |
if (!uctx) { err = -ENOBUFS; goto out; } |
52a4c6404 selinux: add gfp ... |
2192 |
err = security_xfrm_policy_alloc(&xp->security, uctx, GFP_KERNEL); |
df71837d5 [LSM-IPSec]: Secu... |
2193 2194 2195 2196 2197 |
kfree(uctx); if (err) goto out; } |
1da177e4c Linux-2.6.12-rc2 |
2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 |
xp->lft.soft_byte_limit = XFRM_INF; xp->lft.hard_byte_limit = XFRM_INF; xp->lft.soft_packet_limit = XFRM_INF; xp->lft.hard_packet_limit = XFRM_INF; if ((lifetime = ext_hdrs[SADB_EXT_LIFETIME_HARD-1]) != NULL) { xp->lft.hard_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations); xp->lft.hard_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes); xp->lft.hard_add_expires_seconds = lifetime->sadb_lifetime_addtime; xp->lft.hard_use_expires_seconds = lifetime->sadb_lifetime_usetime; } if ((lifetime = ext_hdrs[SADB_EXT_LIFETIME_SOFT-1]) != NULL) { xp->lft.soft_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations); xp->lft.soft_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes); xp->lft.soft_add_expires_seconds = lifetime->sadb_lifetime_addtime; xp->lft.soft_use_expires_seconds = lifetime->sadb_lifetime_usetime; } xp->xfrm_nr = 0; if (pol->sadb_x_policy_type == IPSEC_POLICY_IPSEC && (err = parse_ipsecrequests(xp, pol)) < 0) goto out; |
1da177e4c Linux-2.6.12-rc2 |
2218 2219 |
err = xfrm_policy_insert(pol->sadb_x_policy_dir-1, xp, hdr->sadb_msg_type != SADB_X_SPDUPDATE); |
df71837d5 [LSM-IPSec]: Secu... |
2220 |
|
2e71029e2 xfrm: Remove usel... |
2221 |
xfrm_audit_policy_add(xp, err ? 0 : 1, true); |
161a09e73 audit: Add auditi... |
2222 |
|
df71837d5 [LSM-IPSec]: Secu... |
2223 2224 |
if (err) goto out; |
1da177e4c Linux-2.6.12-rc2 |
2225 |
|
26b15dad9 [IPSEC] Add compl... |
2226 |
if (hdr->sadb_msg_type == SADB_X_SPDUPDATE) |
f60f6b8f7 [IPSEC] Use XFRM_... |
2227 |
c.event = XFRM_MSG_UPDPOLICY; |
8ff24541d [NET] KEY: Fix wh... |
2228 |
else |
f60f6b8f7 [IPSEC] Use XFRM_... |
2229 |
c.event = XFRM_MSG_NEWPOLICY; |
1da177e4c Linux-2.6.12-rc2 |
2230 |
|
26b15dad9 [IPSEC] Add compl... |
2231 |
c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
2232 |
c.portid = hdr->sadb_msg_pid; |
1da177e4c Linux-2.6.12-rc2 |
2233 |
|
26b15dad9 [IPSEC] Add compl... |
2234 2235 |
km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c); xfrm_pol_put(xp); |
1da177e4c Linux-2.6.12-rc2 |
2236 2237 2238 |
return 0; out: |
12a169e7d ipsec: Put dumper... |
2239 |
xp->walk.dead = 1; |
64c31b3f7 [XFRM] xfrm_polic... |
2240 |
xfrm_policy_destroy(xp); |
1da177e4c Linux-2.6.12-rc2 |
2241 2242 |
return err; } |
4c93fbb06 pfkey: Use const ... |
2243 |
static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
2244 |
{ |
07fb0f179 netns PF_KEY: part 2 |
2245 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
2246 2247 2248 |
int err; struct sadb_address *sa; struct sadb_x_policy *pol; |
03e1ad7b5 LSM: Make the Lab... |
2249 |
struct xfrm_policy *xp; |
1da177e4c Linux-2.6.12-rc2 |
2250 |
struct xfrm_selector sel; |
26b15dad9 [IPSEC] Add compl... |
2251 |
struct km_event c; |
df71837d5 [LSM-IPSec]: Secu... |
2252 |
struct sadb_x_sec_ctx *sec_ctx; |
2db3e47e7 af_key: Fix af_ke... |
2253 |
struct xfrm_sec_ctx *pol_ctx = NULL; |
1da177e4c Linux-2.6.12-rc2 |
2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 |
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1], ext_hdrs[SADB_EXT_ADDRESS_DST-1]) || !ext_hdrs[SADB_X_EXT_POLICY-1]) return -EINVAL; pol = ext_hdrs[SADB_X_EXT_POLICY-1]; if (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir >= IPSEC_DIR_MAX) return -EINVAL; memset(&sel, 0, sizeof(sel)); |
d0d79c3fd afkey: fix a typo |
2265 |
sa = ext_hdrs[SADB_EXT_ADDRESS_SRC-1]; |
1da177e4c Linux-2.6.12-rc2 |
2266 2267 2268 2269 2270 |
sel.family = pfkey_sadb_addr2xfrm_addr(sa, &sel.saddr); sel.prefixlen_s = sa->sadb_address_prefixlen; sel.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); sel.sport = ((struct sockaddr_in *)(sa+1))->sin_port; if (sel.sport) |
8f83f23e6 [XFRM]: ports in ... |
2271 |
sel.sport_mask = htons(0xffff); |
1da177e4c Linux-2.6.12-rc2 |
2272 |
|
d0d79c3fd afkey: fix a typo |
2273 |
sa = ext_hdrs[SADB_EXT_ADDRESS_DST-1]; |
1da177e4c Linux-2.6.12-rc2 |
2274 2275 2276 2277 2278 |
pfkey_sadb_addr2xfrm_addr(sa, &sel.daddr); sel.prefixlen_d = sa->sadb_address_prefixlen; sel.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); sel.dport = ((struct sockaddr_in *)(sa+1))->sin_port; if (sel.dport) |
8f83f23e6 [XFRM]: ports in ... |
2279 |
sel.dport_mask = htons(0xffff); |
1da177e4c Linux-2.6.12-rc2 |
2280 |
|
ea1107338 net: Remove casts... |
2281 |
sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1]; |
df71837d5 [LSM-IPSec]: Secu... |
2282 |
if (sec_ctx != NULL) { |
87536a81e net: af_key: fix ... |
2283 |
struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx, GFP_KERNEL); |
df71837d5 [LSM-IPSec]: Secu... |
2284 2285 2286 |
if (!uctx) return -ENOMEM; |
52a4c6404 selinux: add gfp ... |
2287 |
err = security_xfrm_policy_alloc(&pol_ctx, uctx, GFP_KERNEL); |
df71837d5 [LSM-IPSec]: Secu... |
2288 |
kfree(uctx); |
df71837d5 [LSM-IPSec]: Secu... |
2289 2290 |
if (err) return err; |
2db3e47e7 af_key: Fix af_ke... |
2291 |
} |
161a09e73 audit: Add auditi... |
2292 |
|
8ca2e93b5 xfrm: SP lookups ... |
2293 |
xp = xfrm_policy_bysel_ctx(net, DUMMY_MARK, XFRM_POLICY_TYPE_MAIN, |
03e1ad7b5 LSM: Make the Lab... |
2294 2295 2296 |
pol->sadb_x_policy_dir - 1, &sel, pol_ctx, 1, &err); security_xfrm_policy_free(pol_ctx); |
1da177e4c Linux-2.6.12-rc2 |
2297 2298 |
if (xp == NULL) return -ENOENT; |
2e71029e2 xfrm: Remove usel... |
2299 |
xfrm_audit_policy_delete(xp, err ? 0 : 1, true); |
13fcfbb06 [XFRM]: Fix OOPSe... |
2300 2301 |
if (err) |
c8c05a8ee [LSM-IPsec]: SELi... |
2302 |
goto out; |
13fcfbb06 [XFRM]: Fix OOPSe... |
2303 |
|
26b15dad9 [IPSEC] Add compl... |
2304 |
c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
2305 |
c.portid = hdr->sadb_msg_pid; |
1839faab9 af_key: fix SADB_... |
2306 |
c.data.byid = 0; |
f60f6b8f7 [IPSEC] Use XFRM_... |
2307 |
c.event = XFRM_MSG_DELPOLICY; |
26b15dad9 [IPSEC] Add compl... |
2308 |
km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c); |
c8c05a8ee [LSM-IPsec]: SELi... |
2309 |
out: |
26b15dad9 [IPSEC] Add compl... |
2310 2311 2312 |
xfrm_pol_put(xp); return err; } |
4c93fbb06 pfkey: Use const ... |
2313 |
static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, const struct sadb_msg *hdr, int dir) |
26b15dad9 [IPSEC] Add compl... |
2314 2315 2316 2317 2318 |
{ int err; struct sk_buff *out_skb; struct sadb_msg *out_hdr; err = 0; |
1da177e4c Linux-2.6.12-rc2 |
2319 2320 2321 2322 2323 |
out_skb = pfkey_xfrm_policy2msg_prep(xp); if (IS_ERR(out_skb)) { err = PTR_ERR(out_skb); goto out; } |
55569ce25 [KEY]: Fix conver... |
2324 2325 2326 |
err = pfkey_xfrm_policy2msg(out_skb, xp, dir); if (err < 0) goto out; |
1da177e4c Linux-2.6.12-rc2 |
2327 2328 2329 |
out_hdr = (struct sadb_msg *) out_skb->data; out_hdr->sadb_msg_version = hdr->sadb_msg_version; |
26b15dad9 [IPSEC] Add compl... |
2330 |
out_hdr->sadb_msg_type = hdr->sadb_msg_type; |
1da177e4c Linux-2.6.12-rc2 |
2331 2332 2333 2334 |
out_hdr->sadb_msg_satype = 0; out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; |
36f41f8fc af_key: do not us... |
2335 |
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp)); |
1da177e4c Linux-2.6.12-rc2 |
2336 2337 2338 |
err = 0; out: |
1da177e4c Linux-2.6.12-rc2 |
2339 2340 |
return err; } |
08de61bea [PFKEYV2]: Extens... |
2341 2342 |
static int pfkey_sockaddr_pair_size(sa_family_t family) { |
9e8b4ed8b key: Introduce pf... |
2343 |
return PFKEY_ALIGN8(pfkey_sockaddr_len(family) * 2); |
08de61bea [PFKEYV2]: Extens... |
2344 |
} |
13c1d1893 xfrm: MIGRATE enh... |
2345 |
static int parse_sockaddr_pair(struct sockaddr *sa, int ext_len, |
08de61bea [PFKEYV2]: Extens... |
2346 2347 2348 |
xfrm_address_t *saddr, xfrm_address_t *daddr, u16 *family) { |
5f95ac911 key: Share common... |
2349 |
int af, socklen; |
096f41d3a af_key: Fix sadb_... |
2350 |
if (ext_len < 2 || ext_len < pfkey_sockaddr_pair_size(sa->sa_family)) |
08de61bea [PFKEYV2]: Extens... |
2351 |
return -EINVAL; |
13c1d1893 xfrm: MIGRATE enh... |
2352 |
af = pfkey_sockaddr_extract(sa, saddr); |
5f95ac911 key: Share common... |
2353 2354 2355 2356 |
if (!af) return -EINVAL; socklen = pfkey_sockaddr_len(af); |
13c1d1893 xfrm: MIGRATE enh... |
2357 |
if (pfkey_sockaddr_extract((struct sockaddr *) (((u8 *)sa) + socklen), |
5f95ac911 key: Share common... |
2358 |
daddr) != af) |
08de61bea [PFKEYV2]: Extens... |
2359 |
return -EINVAL; |
08de61bea [PFKEYV2]: Extens... |
2360 |
|
5f95ac911 key: Share common... |
2361 |
*family = af; |
08de61bea [PFKEYV2]: Extens... |
2362 2363 |
return 0; } |
096f41d3a af_key: Fix sadb_... |
2364 |
#ifdef CONFIG_NET_KEY_MIGRATE |
08de61bea [PFKEYV2]: Extens... |
2365 2366 2367 2368 2369 |
static int ipsecrequests_to_migrate(struct sadb_x_ipsecrequest *rq1, int len, struct xfrm_migrate *m) { int err; struct sadb_x_ipsecrequest *rq2; |
55569ce25 [KEY]: Fix conver... |
2370 |
int mode; |
08de61bea [PFKEYV2]: Extens... |
2371 |
|
096f41d3a af_key: Fix sadb_... |
2372 2373 2374 |
if (len < sizeof(*rq1) || len < rq1->sadb_x_ipsecrequest_len || rq1->sadb_x_ipsecrequest_len < sizeof(*rq1)) |
08de61bea [PFKEYV2]: Extens... |
2375 2376 2377 |
return -EINVAL; /* old endoints */ |
13c1d1893 xfrm: MIGRATE enh... |
2378 |
err = parse_sockaddr_pair((struct sockaddr *)(rq1 + 1), |
096f41d3a af_key: Fix sadb_... |
2379 |
rq1->sadb_x_ipsecrequest_len - sizeof(*rq1), |
13c1d1893 xfrm: MIGRATE enh... |
2380 |
&m->old_saddr, &m->old_daddr, |
08de61bea [PFKEYV2]: Extens... |
2381 2382 2383 2384 2385 2386 |
&m->old_family); if (err) return err; rq2 = (struct sadb_x_ipsecrequest *)((u8 *)rq1 + rq1->sadb_x_ipsecrequest_len); len -= rq1->sadb_x_ipsecrequest_len; |
096f41d3a af_key: Fix sadb_... |
2387 2388 2389 |
if (len <= sizeof(*rq2) || len < rq2->sadb_x_ipsecrequest_len || rq2->sadb_x_ipsecrequest_len < sizeof(*rq2)) |
08de61bea [PFKEYV2]: Extens... |
2390 2391 2392 |
return -EINVAL; /* new endpoints */ |
13c1d1893 xfrm: MIGRATE enh... |
2393 |
err = parse_sockaddr_pair((struct sockaddr *)(rq2 + 1), |
096f41d3a af_key: Fix sadb_... |
2394 |
rq2->sadb_x_ipsecrequest_len - sizeof(*rq2), |
13c1d1893 xfrm: MIGRATE enh... |
2395 |
&m->new_saddr, &m->new_daddr, |
08de61bea [PFKEYV2]: Extens... |
2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 |
&m->new_family); if (err) return err; if (rq1->sadb_x_ipsecrequest_proto != rq2->sadb_x_ipsecrequest_proto || rq1->sadb_x_ipsecrequest_mode != rq2->sadb_x_ipsecrequest_mode || rq1->sadb_x_ipsecrequest_reqid != rq2->sadb_x_ipsecrequest_reqid) return -EINVAL; m->proto = rq1->sadb_x_ipsecrequest_proto; |
55569ce25 [KEY]: Fix conver... |
2406 2407 2408 |
if ((mode = pfkey_mode_to_xfrm(rq1->sadb_x_ipsecrequest_mode)) < 0) return -EINVAL; m->mode = mode; |
08de61bea [PFKEYV2]: Extens... |
2409 2410 2411 2412 2413 2414 2415 |
m->reqid = rq1->sadb_x_ipsecrequest_reqid; return ((int)(rq1->sadb_x_ipsecrequest_len + rq2->sadb_x_ipsecrequest_len)); } static int pfkey_migrate(struct sock *sk, struct sk_buff *skb, |
4c93fbb06 pfkey: Use const ... |
2416 |
const struct sadb_msg *hdr, void * const *ext_hdrs) |
08de61bea [PFKEYV2]: Extens... |
2417 2418 2419 2420 |
{ int i, len, ret, err = -EINVAL; u8 dir; struct sadb_address *sa; |
13c1d1893 xfrm: MIGRATE enh... |
2421 |
struct sadb_x_kmaddress *kma; |
08de61bea [PFKEYV2]: Extens... |
2422 2423 2424 2425 |
struct sadb_x_policy *pol; struct sadb_x_ipsecrequest *rq; struct xfrm_selector sel; struct xfrm_migrate m[XFRM_MAX_DEPTH]; |
13c1d1893 xfrm: MIGRATE enh... |
2426 |
struct xfrm_kmaddress k; |
8d549c4f5 xfrm: Using the r... |
2427 |
struct net *net = sock_net(sk); |
08de61bea [PFKEYV2]: Extens... |
2428 2429 |
if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC - 1], |
13c1d1893 xfrm: MIGRATE enh... |
2430 |
ext_hdrs[SADB_EXT_ADDRESS_DST - 1]) || |
08de61bea [PFKEYV2]: Extens... |
2431 2432 2433 2434 |
!ext_hdrs[SADB_X_EXT_POLICY - 1]) { err = -EINVAL; goto out; } |
13c1d1893 xfrm: MIGRATE enh... |
2435 |
kma = ext_hdrs[SADB_X_EXT_KMADDRESS - 1]; |
08de61bea [PFKEYV2]: Extens... |
2436 |
pol = ext_hdrs[SADB_X_EXT_POLICY - 1]; |
08de61bea [PFKEYV2]: Extens... |
2437 2438 2439 2440 2441 |
if (pol->sadb_x_policy_dir >= IPSEC_DIR_MAX) { err = -EINVAL; goto out; } |
13c1d1893 xfrm: MIGRATE enh... |
2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 |
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; } } |
08de61bea [PFKEYV2]: Extens... |
2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 |
dir = pol->sadb_x_policy_dir - 1; memset(&sel, 0, sizeof(sel)); /* set source address info of selector */ sa = ext_hdrs[SADB_EXT_ADDRESS_SRC - 1]; sel.family = pfkey_sadb_addr2xfrm_addr(sa, &sel.saddr); sel.prefixlen_s = sa->sadb_address_prefixlen; sel.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); sel.sport = ((struct sockaddr_in *)(sa + 1))->sin_port; if (sel.sport) |
582ee43da net/* misc endian... |
2463 |
sel.sport_mask = htons(0xffff); |
08de61bea [PFKEYV2]: Extens... |
2464 2465 |
/* set destination address info of selector */ |
47162c0b7 af_key: Replace c... |
2466 |
sa = ext_hdrs[SADB_EXT_ADDRESS_DST - 1]; |
08de61bea [PFKEYV2]: Extens... |
2467 2468 2469 2470 2471 |
pfkey_sadb_addr2xfrm_addr(sa, &sel.daddr); sel.prefixlen_d = sa->sadb_address_prefixlen; sel.proto = pfkey_proto_to_xfrm(sa->sadb_address_proto); sel.dport = ((struct sockaddr_in *)(sa + 1))->sin_port; if (sel.dport) |
582ee43da net/* misc endian... |
2472 |
sel.dport_mask = htons(0xffff); |
08de61bea [PFKEYV2]: Extens... |
2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 |
rq = (struct sadb_x_ipsecrequest *)(pol + 1); /* extract ipsecrequests */ i = 0; len = pol->sadb_x_policy_len * 8 - sizeof(struct sadb_x_policy); while (len > 0 && i < XFRM_MAX_DEPTH) { ret = ipsecrequests_to_migrate(rq, len, &m[i]); if (ret < 0) { err = ret; goto out; } else { rq = (struct sadb_x_ipsecrequest *)((u8 *)rq + ret); len -= ret; i++; } } if (!i || len > 0) { err = -EINVAL; goto out; } |
13c1d1893 xfrm: MIGRATE enh... |
2496 |
return xfrm_migrate(&sel, dir, XFRM_POLICY_TYPE_MAIN, m, i, |
4ab47d47a xfrm: extend MIGR... |
2497 |
kma ? &k : NULL, net, NULL); |
08de61bea [PFKEYV2]: Extens... |
2498 2499 2500 2501 2502 2503 |
out: return err; } #else static int pfkey_migrate(struct sock *sk, struct sk_buff *skb, |
7f6daa635 pfkey: fix warning |
2504 |
const struct sadb_msg *hdr, void * const *ext_hdrs) |
08de61bea [PFKEYV2]: Extens... |
2505 2506 2507 2508 |
{ return -ENOPROTOOPT; } #endif |
4c93fbb06 pfkey: Use const ... |
2509 |
static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
2510 |
{ |
07fb0f179 netns PF_KEY: part 2 |
2511 |
struct net *net = sock_net(sk); |
77d8d7a68 [IPSEC]: Document... |
2512 |
unsigned int dir; |
215a2dd3b [IPSEC]: Add xfrm... |
2513 |
int err = 0, delete; |
1da177e4c Linux-2.6.12-rc2 |
2514 2515 |
struct sadb_x_policy *pol; struct xfrm_policy *xp; |
26b15dad9 [IPSEC] Add compl... |
2516 |
struct km_event c; |
1da177e4c Linux-2.6.12-rc2 |
2517 2518 2519 |
if ((pol = ext_hdrs[SADB_X_EXT_POLICY-1]) == NULL) return -EINVAL; |
77d8d7a68 [IPSEC]: Document... |
2520 2521 2522 |
dir = xfrm_policy_id2dir(pol->sadb_x_policy_id); if (dir >= XFRM_POLICY_MAX) return -EINVAL; |
215a2dd3b [IPSEC]: Add xfrm... |
2523 |
delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2); |
8ca2e93b5 xfrm: SP lookups ... |
2524 |
xp = xfrm_policy_byid(net, DUMMY_MARK, XFRM_POLICY_TYPE_MAIN, |
bd55775c8 xfrm: SA lookups ... |
2525 |
dir, pol->sadb_x_policy_id, delete, &err); |
1da177e4c Linux-2.6.12-rc2 |
2526 2527 |
if (xp == NULL) return -ENOENT; |
215a2dd3b [IPSEC]: Add xfrm... |
2528 |
if (delete) { |
2e71029e2 xfrm: Remove usel... |
2529 |
xfrm_audit_policy_delete(xp, err ? 0 : 1, true); |
1da177e4c Linux-2.6.12-rc2 |
2530 |
|
215a2dd3b [IPSEC]: Add xfrm... |
2531 2532 2533 |
if (err) goto out; c.seq = hdr->sadb_msg_seq; |
15e473046 netlink: Rename p... |
2534 |
c.portid = hdr->sadb_msg_pid; |
bf08867f9 [IPSEC] Turn km_e... |
2535 |
c.data.byid = 1; |
f60f6b8f7 [IPSEC] Use XFRM_... |
2536 |
c.event = XFRM_MSG_DELPOLICY; |
77d8d7a68 [IPSEC]: Document... |
2537 |
km_policy_notify(xp, dir, &c); |
26b15dad9 [IPSEC] Add compl... |
2538 |
} else { |
77d8d7a68 [IPSEC]: Document... |
2539 |
err = key_pol_get_resp(sk, xp, hdr, dir); |
1da177e4c Linux-2.6.12-rc2 |
2540 |
} |
1da177e4c Linux-2.6.12-rc2 |
2541 |
|
215a2dd3b [IPSEC]: Add xfrm... |
2542 |
out: |
1da177e4c Linux-2.6.12-rc2 |
2543 2544 2545 2546 2547 2548 |
xfrm_pol_put(xp); return err; } static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr) { |
83321d6b9 [AF_KEY]: Dump SA... |
2549 |
struct pfkey_sock *pfk = ptr; |
1da177e4c Linux-2.6.12-rc2 |
2550 2551 |
struct sk_buff *out_skb; struct sadb_msg *out_hdr; |
55569ce25 [KEY]: Fix conver... |
2552 |
int err; |
1da177e4c Linux-2.6.12-rc2 |
2553 |
|
83321d6b9 [AF_KEY]: Dump SA... |
2554 2555 |
if (!pfkey_can_dump(&pfk->sk)) return -ENOBUFS; |
1da177e4c Linux-2.6.12-rc2 |
2556 2557 2558 |
out_skb = pfkey_xfrm_policy2msg_prep(xp); if (IS_ERR(out_skb)) return PTR_ERR(out_skb); |
55569ce25 [KEY]: Fix conver... |
2559 2560 2561 |
err = pfkey_xfrm_policy2msg(out_skb, xp, dir); if (err < 0) return err; |
1da177e4c Linux-2.6.12-rc2 |
2562 2563 |
out_hdr = (struct sadb_msg *) out_skb->data; |
83321d6b9 [AF_KEY]: Dump SA... |
2564 |
out_hdr->sadb_msg_version = pfk->dump.msg_version; |
1da177e4c Linux-2.6.12-rc2 |
2565 2566 2567 |
out_hdr->sadb_msg_type = SADB_X_SPDDUMP; out_hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC; out_hdr->sadb_msg_errno = 0; |
12a169e7d ipsec: Put dumper... |
2568 |
out_hdr->sadb_msg_seq = count + 1; |
15e473046 netlink: Rename p... |
2569 |
out_hdr->sadb_msg_pid = pfk->dump.msg_portid; |
12a169e7d ipsec: Put dumper... |
2570 2571 |
if (pfk->dump.skb) |
36f41f8fc af_key: do not us... |
2572 |
pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, |
07fb0f179 netns PF_KEY: part 2 |
2573 |
&pfk->sk, sock_net(&pfk->sk)); |
12a169e7d ipsec: Put dumper... |
2574 |
pfk->dump.skb = out_skb; |
1da177e4c Linux-2.6.12-rc2 |
2575 2576 |
return 0; } |
83321d6b9 [AF_KEY]: Dump SA... |
2577 2578 |
static int pfkey_dump_sp(struct pfkey_sock *pfk) { |
07fb0f179 netns PF_KEY: part 2 |
2579 2580 |
struct net *net = sock_net(&pfk->sk); return xfrm_policy_walk(net, &pfk->dump.u.policy, dump_sp, (void *) pfk); |
83321d6b9 [AF_KEY]: Dump SA... |
2581 2582 2583 2584 |
} static void pfkey_dump_sp_done(struct pfkey_sock *pfk) { |
283bc9f35 xfrm: Namespacify... |
2585 2586 2587 |
struct net *net = sock_net((struct sock *)pfk); xfrm_policy_walk_done(&pfk->dump.u.policy, net); |
83321d6b9 [AF_KEY]: Dump SA... |
2588 |
} |
4c93fbb06 pfkey: Use const ... |
2589 |
static int pfkey_spddump(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
1da177e4c Linux-2.6.12-rc2 |
2590 |
{ |
83321d6b9 [AF_KEY]: Dump SA... |
2591 |
struct pfkey_sock *pfk = pfkey_sk(sk); |
4c563f766 [XFRM]: Speed up ... |
2592 |
|
89e357d83 af_key: Add lock ... |
2593 2594 2595 |
mutex_lock(&pfk->dump_lock); if (pfk->dump.dump != NULL) { mutex_unlock(&pfk->dump_lock); |
83321d6b9 [AF_KEY]: Dump SA... |
2596 |
return -EBUSY; |
89e357d83 af_key: Add lock ... |
2597 |
} |
1da177e4c Linux-2.6.12-rc2 |
2598 |
|
83321d6b9 [AF_KEY]: Dump SA... |
2599 |
pfk->dump.msg_version = hdr->sadb_msg_version; |
15e473046 netlink: Rename p... |
2600 |
pfk->dump.msg_portid = hdr->sadb_msg_pid; |
83321d6b9 [AF_KEY]: Dump SA... |
2601 2602 2603 |
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); |
89e357d83 af_key: Add lock ... |
2604 |
mutex_unlock(&pfk->dump_lock); |
83321d6b9 [AF_KEY]: Dump SA... |
2605 2606 |
return pfkey_do_dump(pfk); |
1da177e4c Linux-2.6.12-rc2 |
2607 |
} |
214e005bc xfrm: Pass km_eve... |
2608 |
static int key_notify_policy_flush(const struct km_event *c) |
1da177e4c Linux-2.6.12-rc2 |
2609 2610 |
{ struct sk_buff *skb_out; |
26b15dad9 [IPSEC] Add compl... |
2611 |
struct sadb_msg *hdr; |
1da177e4c Linux-2.6.12-rc2 |
2612 |
|
26b15dad9 [IPSEC] Add compl... |
2613 |
skb_out = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC); |
1da177e4c Linux-2.6.12-rc2 |
2614 2615 |
if (!skb_out) return -ENOBUFS; |
4df864c1d networking: make ... |
2616 |
hdr = skb_put(skb_out, sizeof(struct sadb_msg)); |
151bb0ffe [AF_KEY]: no mess... |
2617 |
hdr->sadb_msg_type = SADB_X_SPDFLUSH; |
26b15dad9 [IPSEC] Add compl... |
2618 |
hdr->sadb_msg_seq = c->seq; |
15e473046 netlink: Rename p... |
2619 |
hdr->sadb_msg_pid = c->portid; |
26b15dad9 [IPSEC] Add compl... |
2620 2621 |
hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_errno = (uint8_t) 0; |
85dfb745e af_key: initializ... |
2622 |
hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC; |
26b15dad9 [IPSEC] Add compl... |
2623 |
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); |
a5cc68f3d af_key: fix info ... |
2624 |
hdr->sadb_msg_reserved = 0; |
36f41f8fc af_key: do not us... |
2625 |
pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); |
26b15dad9 [IPSEC] Add compl... |
2626 |
return 0; |
1da177e4c Linux-2.6.12-rc2 |
2627 |
|
26b15dad9 [IPSEC] Add compl... |
2628 |
} |
4c93fbb06 pfkey: Use const ... |
2629 |
static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr, void * const *ext_hdrs) |
26b15dad9 [IPSEC] Add compl... |
2630 |
{ |
07fb0f179 netns PF_KEY: part 2 |
2631 |
struct net *net = sock_net(sk); |
26b15dad9 [IPSEC] Add compl... |
2632 |
struct km_event c; |
8be987d73 pfkey: fix SA and... |
2633 |
int err, err2; |
1da177e4c Linux-2.6.12-rc2 |
2634 |
|
2e71029e2 xfrm: Remove usel... |
2635 |
err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true); |
8be987d73 pfkey: fix SA and... |
2636 |
err2 = unicast_flush_resp(sk, hdr); |
2f1eb65f3 xfrm: Flushing em... |
2637 2638 2639 2640 2641 |
if (err || err2) { if (err == -ESRCH) /* empty table - old silent behavior */ return 0; return err; } |
8be987d73 pfkey: fix SA and... |
2642 |
|
f7b6983f0 [XFRM] POLICY: Su... |
2643 |
c.data.type = XFRM_POLICY_TYPE_MAIN; |
f60f6b8f7 [IPSEC] Use XFRM_... |
2644 |
c.event = XFRM_MSG_FLUSHPOLICY; |
15e473046 netlink: Rename p... |
2645 |
c.portid = hdr->sadb_msg_pid; |
26b15dad9 [IPSEC] Add compl... |
2646 |
c.seq = hdr->sadb_msg_seq; |
07fb0f179 netns PF_KEY: part 2 |
2647 |
c.net = net; |
26b15dad9 [IPSEC] Add compl... |
2648 |
km_policy_notify(NULL, 0, &c); |
1da177e4c Linux-2.6.12-rc2 |
2649 2650 2651 2652 2653 |
return 0; } typedef int (*pfkey_handler)(struct sock *sk, struct sk_buff *skb, |
4c93fbb06 pfkey: Use const ... |
2654 |
const struct sadb_msg *hdr, void * const *ext_hdrs); |
8603b9556 af_key: constify ... |
2655 |
static const pfkey_handler pfkey_funcs[SADB_MAX + 1] = { |
1da177e4c Linux-2.6.12-rc2 |
2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 |
[SADB_RESERVED] = pfkey_reserved, [SADB_GETSPI] = pfkey_getspi, [SADB_UPDATE] = pfkey_add, [SADB_ADD] = pfkey_add, [SADB_DELETE] = pfkey_delete, [SADB_GET] = pfkey_get, [SADB_ACQUIRE] = pfkey_acquire, [SADB_REGISTER] = pfkey_register, [SADB_EXPIRE] = NULL, [SADB_FLUSH] = pfkey_flush, [SADB_DUMP] = pfkey_dump, [SADB_X_PROMISC] = pfkey_promisc, [SADB_X_PCHANGE] = NULL, [SADB_X_SPDUPDATE] = pfkey_spdadd, [SADB_X_SPDADD] = pfkey_spdadd, [SADB_X_SPDDELETE] = pfkey_spddelete, [SADB_X_SPDGET] = pfkey_spdget, [SADB_X_SPDACQUIRE] = NULL, [SADB_X_SPDDUMP] = pfkey_spddump, [SADB_X_SPDFLUSH] = pfkey_spdflush, [SADB_X_SPDSETIDX] = pfkey_spdadd, [SADB_X_SPDDELETE2] = pfkey_spdget, |
08de61bea [PFKEYV2]: Extens... |
2678 |
[SADB_X_MIGRATE] = pfkey_migrate, |
1da177e4c Linux-2.6.12-rc2 |
2679 |
}; |
4c93fbb06 pfkey: Use const ... |
2680 |
static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb_msg *hdr) |
1da177e4c Linux-2.6.12-rc2 |
2681 2682 2683 |
{ void *ext_hdrs[SADB_EXT_MAX]; int err; |
36f41f8fc af_key: do not us... |
2684 |
pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL, |
07fb0f179 netns PF_KEY: part 2 |
2685 |
BROADCAST_PROMISC_ONLY, NULL, sock_net(sk)); |
1da177e4c Linux-2.6.12-rc2 |
2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 |
memset(ext_hdrs, 0, sizeof(ext_hdrs)); err = parse_exthdrs(skb, hdr, ext_hdrs); if (!err) { err = -EOPNOTSUPP; if (pfkey_funcs[hdr->sadb_msg_type]) err = pfkey_funcs[hdr->sadb_msg_type](sk, skb, hdr, ext_hdrs); } return err; } static struct sadb_msg *pfkey_get_base_msg(struct sk_buff *skb, int *errp) { struct sadb_msg *hdr = NULL; if (skb->len < sizeof(*hdr)) { *errp = -EMSGSIZE; } else { hdr = (struct sadb_msg *) skb->data; if (hdr->sadb_msg_version != PF_KEY_V2 || hdr->sadb_msg_reserved != 0 || (hdr->sadb_msg_type <= SADB_RESERVED || hdr->sadb_msg_type > SADB_MAX)) { hdr = NULL; *errp = -EINVAL; } else if (hdr->sadb_msg_len != (skb->len / sizeof(uint64_t)) || hdr->sadb_msg_len < (sizeof(struct sadb_msg) / sizeof(uint64_t))) { hdr = NULL; *errp = -EMSGSIZE; } else { *errp = 0; } } return hdr; } |
4c93fbb06 pfkey: Use const ... |
2723 2724 |
static inline int aalg_tmpl_set(const struct xfrm_tmpl *t, const struct xfrm_algo_desc *d) |
1da177e4c Linux-2.6.12-rc2 |
2725 |
{ |
f398035f2 [IPSEC]: Avoid un... |
2726 2727 2728 2729 2730 2731 |
unsigned int id = d->desc.sadb_alg_id; if (id >= sizeof(t->aalgos) * 8) return 0; return (t->aalgos >> id) & 1; |
1da177e4c Linux-2.6.12-rc2 |
2732 |
} |
4c93fbb06 pfkey: Use const ... |
2733 2734 |
static inline int ealg_tmpl_set(const struct xfrm_tmpl *t, const struct xfrm_algo_desc *d) |
1da177e4c Linux-2.6.12-rc2 |
2735 |
{ |
f398035f2 [IPSEC]: Avoid un... |
2736 2737 2738 2739 2740 2741 |
unsigned int id = d->desc.sadb_alg_id; if (id >= sizeof(t->ealgos) * 8) return 0; return (t->ealgos >> id) & 1; |
1da177e4c Linux-2.6.12-rc2 |
2742 |
} |
4c93fbb06 pfkey: Use const ... |
2743 |
static int count_ah_combs(const struct xfrm_tmpl *t) |
1da177e4c Linux-2.6.12-rc2 |
2744 2745 2746 2747 |
{ int i, sz = 0; for (i = 0; ; i++) { |
4c93fbb06 pfkey: Use const ... |
2748 |
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(i); |
1da177e4c Linux-2.6.12-rc2 |
2749 2750 |
if (!aalg) break; |
7e50f84c9 pf_key/xfrm_algo:... |
2751 2752 |
if (!aalg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2753 2754 2755 2756 2757 |
if (aalg_tmpl_set(t, aalg) && aalg->available) sz += sizeof(struct sadb_comb); } return sz + sizeof(struct sadb_prop); } |
4c93fbb06 pfkey: Use const ... |
2758 |
static int count_esp_combs(const struct xfrm_tmpl *t) |
1da177e4c Linux-2.6.12-rc2 |
2759 2760 2761 2762 |
{ int i, k, sz = 0; for (i = 0; ; i++) { |
4c93fbb06 pfkey: Use const ... |
2763 |
const struct xfrm_algo_desc *ealg = xfrm_ealg_get_byidx(i); |
1da177e4c Linux-2.6.12-rc2 |
2764 2765 |
if (!ealg) break; |
8ff24541d [NET] KEY: Fix wh... |
2766 |
|
7e50f84c9 pf_key/xfrm_algo:... |
2767 2768 |
if (!ealg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2769 2770 |
if (!(ealg_tmpl_set(t, ealg) && ealg->available)) continue; |
8ff24541d [NET] KEY: Fix wh... |
2771 |
|
1da177e4c Linux-2.6.12-rc2 |
2772 |
for (k = 1; ; k++) { |
4c93fbb06 pfkey: Use const ... |
2773 |
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(k); |
1da177e4c Linux-2.6.12-rc2 |
2774 2775 |
if (!aalg) break; |
8ff24541d [NET] KEY: Fix wh... |
2776 |
|
7e50f84c9 pf_key/xfrm_algo:... |
2777 2778 |
if (!aalg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2779 2780 2781 2782 2783 2784 |
if (aalg_tmpl_set(t, aalg) && aalg->available) sz += sizeof(struct sadb_comb); } } return sz + sizeof(struct sadb_prop); } |
4c93fbb06 pfkey: Use const ... |
2785 |
static void dump_ah_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) |
1da177e4c Linux-2.6.12-rc2 |
2786 2787 2788 |
{ struct sadb_prop *p; int i; |
4df864c1d networking: make ... |
2789 |
p = skb_put(skb, sizeof(struct sadb_prop)); |
1da177e4c Linux-2.6.12-rc2 |
2790 2791 2792 2793 2794 2795 |
p->sadb_prop_len = sizeof(struct sadb_prop)/8; p->sadb_prop_exttype = SADB_EXT_PROPOSAL; p->sadb_prop_replay = 32; memset(p->sadb_prop_reserved, 0, sizeof(p->sadb_prop_reserved)); for (i = 0; ; i++) { |
4c93fbb06 pfkey: Use const ... |
2796 |
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(i); |
1da177e4c Linux-2.6.12-rc2 |
2797 2798 |
if (!aalg) break; |
7e50f84c9 pf_key/xfrm_algo:... |
2799 2800 |
if (!aalg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2801 2802 |
if (aalg_tmpl_set(t, aalg) && aalg->available) { struct sadb_comb *c; |
b080db585 networking: conve... |
2803 |
c = skb_put_zero(skb, sizeof(struct sadb_comb)); |
1da177e4c Linux-2.6.12-rc2 |
2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 |
p->sadb_prop_len += sizeof(struct sadb_comb)/8; c->sadb_comb_auth = aalg->desc.sadb_alg_id; c->sadb_comb_auth_minbits = aalg->desc.sadb_alg_minbits; c->sadb_comb_auth_maxbits = aalg->desc.sadb_alg_maxbits; c->sadb_comb_hard_addtime = 24*60*60; c->sadb_comb_soft_addtime = 20*60*60; c->sadb_comb_hard_usetime = 8*60*60; c->sadb_comb_soft_usetime = 7*60*60; } } } |
4c93fbb06 pfkey: Use const ... |
2815 |
static void dump_esp_combs(struct sk_buff *skb, const struct xfrm_tmpl *t) |
1da177e4c Linux-2.6.12-rc2 |
2816 2817 2818 |
{ struct sadb_prop *p; int i, k; |
4df864c1d networking: make ... |
2819 |
p = skb_put(skb, sizeof(struct sadb_prop)); |
1da177e4c Linux-2.6.12-rc2 |
2820 2821 2822 2823 2824 2825 |
p->sadb_prop_len = sizeof(struct sadb_prop)/8; p->sadb_prop_exttype = SADB_EXT_PROPOSAL; p->sadb_prop_replay = 32; memset(p->sadb_prop_reserved, 0, sizeof(p->sadb_prop_reserved)); for (i=0; ; i++) { |
4c93fbb06 pfkey: Use const ... |
2826 |
const struct xfrm_algo_desc *ealg = xfrm_ealg_get_byidx(i); |
1da177e4c Linux-2.6.12-rc2 |
2827 2828 |
if (!ealg) break; |
8ff24541d [NET] KEY: Fix wh... |
2829 |
|
7e50f84c9 pf_key/xfrm_algo:... |
2830 2831 |
if (!ealg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2832 2833 |
if (!(ealg_tmpl_set(t, ealg) && ealg->available)) continue; |
8ff24541d [NET] KEY: Fix wh... |
2834 |
|
1da177e4c Linux-2.6.12-rc2 |
2835 2836 |
for (k = 1; ; k++) { struct sadb_comb *c; |
4c93fbb06 pfkey: Use const ... |
2837 |
const struct xfrm_algo_desc *aalg = xfrm_aalg_get_byidx(k); |
1da177e4c Linux-2.6.12-rc2 |
2838 2839 |
if (!aalg) break; |
7e50f84c9 pf_key/xfrm_algo:... |
2840 2841 |
if (!aalg->pfkey_supported) continue; |
1da177e4c Linux-2.6.12-rc2 |
2842 2843 |
if (!(aalg_tmpl_set(t, aalg) && aalg->available)) continue; |
4df864c1d networking: make ... |
2844 |
c = skb_put(skb, sizeof(struct sadb_comb)); |
1da177e4c Linux-2.6.12-rc2 |
2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 |
memset(c, 0, sizeof(*c)); p->sadb_prop_len += sizeof(struct sadb_comb)/8; c->sadb_comb_auth = aalg->desc.sadb_alg_id; c->sadb_comb_auth_minbits = aalg->desc.sadb_alg_minbits; c->sadb_comb_auth_maxbits = aalg->desc.sadb_alg_maxbits; c->sadb_comb_encrypt = ealg->desc.sadb_alg_id; c->sadb_comb_encrypt_minbits = ealg->desc.sadb_alg_minbits; c->sadb_comb_encrypt_maxbits = ealg->desc.sadb_alg_maxbits; c->sadb_comb_hard_addtime = 24*60*60; c->sadb_comb_soft_addtime = 20*60*60; c->sadb_comb_hard_usetime = 8*60*60; c->sadb_comb_soft_usetime = 7*60*60; } } } |
214e005bc xfrm: Pass km_eve... |
2860 |
static int key_notify_policy_expire(struct xfrm_policy *xp, const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
2861 2862 2863 |
{ return 0; } |
214e005bc xfrm: Pass km_eve... |
2864 |
static int key_notify_sa_expire(struct xfrm_state *x, const struct km_event *c) |
1da177e4c Linux-2.6.12-rc2 |
2865 2866 2867 |
{ struct sk_buff *out_skb; struct sadb_msg *out_hdr; |
26b15dad9 [IPSEC] Add compl... |
2868 2869 |
int hard; int hsc; |
bf08867f9 [IPSEC] Turn km_e... |
2870 |
hard = c->data.hard; |
26b15dad9 [IPSEC] Add compl... |
2871 2872 2873 2874 |
if (hard) hsc = 2; else hsc = 1; |
1da177e4c Linux-2.6.12-rc2 |
2875 |
|
050f009e1 [IPSEC]: Lock sta... |
2876 |
out_skb = pfkey_xfrm_state2msg_expire(x, hsc); |
1da177e4c Linux-2.6.12-rc2 |
2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 |
if (IS_ERR(out_skb)) return PTR_ERR(out_skb); out_hdr = (struct sadb_msg *) out_skb->data; out_hdr->sadb_msg_version = PF_KEY_V2; out_hdr->sadb_msg_type = SADB_EXPIRE; 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 = 0; out_hdr->sadb_msg_pid = 0; |
36f41f8fc af_key: do not us... |
2888 2889 |
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); |
1da177e4c Linux-2.6.12-rc2 |
2890 2891 |
return 0; } |
214e005bc xfrm: Pass km_eve... |
2892 |
static int pfkey_send_notify(struct xfrm_state *x, const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
2893 |
{ |
07fb0f179 netns PF_KEY: part 2 |
2894 |
struct net *net = x ? xs_net(x) : c->net; |
3fa87a321 netns PF_KEY: part 1 |
2895 2896 2897 |
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); if (atomic_read(&net_pfkey->socks_nr) == 0) |
99c6f60e7 ipsec: pfkey shou... |
2898 |
return 0; |
26b15dad9 [IPSEC] Add compl... |
2899 |
switch (c->event) { |
f60f6b8f7 [IPSEC] Use XFRM_... |
2900 |
case XFRM_MSG_EXPIRE: |
26b15dad9 [IPSEC] Add compl... |
2901 |
return key_notify_sa_expire(x, c); |
f60f6b8f7 [IPSEC] Use XFRM_... |
2902 2903 2904 |
case XFRM_MSG_DELSA: case XFRM_MSG_NEWSA: case XFRM_MSG_UPDSA: |
26b15dad9 [IPSEC] Add compl... |
2905 |
return key_notify_sa(x, c); |
f60f6b8f7 [IPSEC] Use XFRM_... |
2906 |
case XFRM_MSG_FLUSHSA: |
26b15dad9 [IPSEC] Add compl... |
2907 |
return key_notify_sa_flush(c); |
d51d081d6 [IPSEC]: Sync ser... |
2908 2909 |
case XFRM_MSG_NEWAE: /* not yet supported */ break; |
26b15dad9 [IPSEC] Add compl... |
2910 |
default: |
207024b94 pfkey: add severi... |
2911 2912 |
pr_err("pfkey: Unknown SA event %d ", c->event); |
26b15dad9 [IPSEC] Add compl... |
2913 2914 2915 2916 2917 |
break; } return 0; } |
214e005bc xfrm: Pass km_eve... |
2918 |
static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c) |
26b15dad9 [IPSEC] Add compl... |
2919 |
{ |
f7b6983f0 [XFRM] POLICY: Su... |
2920 2921 |
if (xp && xp->type != XFRM_POLICY_TYPE_MAIN) return 0; |
26b15dad9 [IPSEC] Add compl... |
2922 |
switch (c->event) { |
f60f6b8f7 [IPSEC] Use XFRM_... |
2923 |
case XFRM_MSG_POLEXPIRE: |
26b15dad9 [IPSEC] Add compl... |
2924 |
return key_notify_policy_expire(xp, c); |
f60f6b8f7 [IPSEC] Use XFRM_... |
2925 2926 2927 |
case XFRM_MSG_DELPOLICY: case XFRM_MSG_NEWPOLICY: case XFRM_MSG_UPDPOLICY: |
26b15dad9 [IPSEC] Add compl... |
2928 |
return key_notify_policy(xp, dir, c); |
f60f6b8f7 [IPSEC] Use XFRM_... |
2929 |
case XFRM_MSG_FLUSHPOLICY: |
f7b6983f0 [XFRM] POLICY: Su... |
2930 2931 |
if (c->data.type != XFRM_POLICY_TYPE_MAIN) break; |
26b15dad9 [IPSEC] Add compl... |
2932 2933 |
return key_notify_policy_flush(c); default: |
207024b94 pfkey: add severi... |
2934 2935 |
pr_err("pfkey: Unknown policy event %d ", c->event); |
26b15dad9 [IPSEC] Add compl... |
2936 2937 2938 2939 2940 |
break; } return 0; } |
1da177e4c Linux-2.6.12-rc2 |
2941 2942 2943 |
static u32 get_acqseq(void) { u32 res; |
28aecb9d7 xfrm: avoid spinl... |
2944 |
static atomic_t acqseq; |
1da177e4c Linux-2.6.12-rc2 |
2945 |
|
28aecb9d7 xfrm: avoid spinl... |
2946 2947 2948 |
do { res = atomic_inc_return(&acqseq); } while (!res); |
1da177e4c Linux-2.6.12-rc2 |
2949 2950 |
return res; } |
0f24558e9 xfrm: avoid creat... |
2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 |
static bool pfkey_is_alive(const struct km_event *c) { struct netns_pfkey *net_pfkey = net_generic(c->net, pfkey_net_id); struct sock *sk; bool is_alive = false; rcu_read_lock(); sk_for_each_rcu(sk, &net_pfkey->table) { if (pfkey_sk(sk)->registered) { is_alive = true; break; } } rcu_read_unlock(); return is_alive; } |
65e0736bc xfrm: remove redu... |
2968 |
static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *xp) |
1da177e4c Linux-2.6.12-rc2 |
2969 2970 2971 2972 2973 |
{ struct sk_buff *skb; struct sadb_msg *hdr; struct sadb_address *addr; struct sadb_x_policy *pol; |
1da177e4c Linux-2.6.12-rc2 |
2974 2975 |
int sockaddr_size; int size; |
4e2ba18ea [MLSXFRM]: Add se... |
2976 2977 2978 |
struct sadb_x_sec_ctx *sec_ctx; struct xfrm_sec_ctx *xfrm_ctx; int ctx_size = 0; |
8ff24541d [NET] KEY: Fix wh... |
2979 |
|
1da177e4c Linux-2.6.12-rc2 |
2980 2981 2982 2983 2984 2985 2986 2987 |
sockaddr_size = pfkey_sockaddr_size(x->props.family); if (!sockaddr_size) return -EINVAL; size = sizeof(struct sadb_msg) + (sizeof(struct sadb_address) * 2) + (sockaddr_size * 2) + sizeof(struct sadb_x_policy); |
8ff24541d [NET] KEY: Fix wh... |
2988 |
|
1da177e4c Linux-2.6.12-rc2 |
2989 2990 2991 2992 |
if (x->id.proto == IPPROTO_AH) size += count_ah_combs(t); else if (x->id.proto == IPPROTO_ESP) size += count_esp_combs(t); |
4e2ba18ea [MLSXFRM]: Add se... |
2993 2994 2995 2996 |
if ((xfrm_ctx = x->security)) { ctx_size = PFKEY_ALIGN8(xfrm_ctx->ctx_len); size += sizeof(struct sadb_x_sec_ctx) + ctx_size; } |
1da177e4c Linux-2.6.12-rc2 |
2997 2998 2999 |
skb = alloc_skb(size + 16, GFP_ATOMIC); if (skb == NULL) return -ENOMEM; |
8ff24541d [NET] KEY: Fix wh... |
3000 |
|
4df864c1d networking: make ... |
3001 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
1da177e4c Linux-2.6.12-rc2 |
3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 |
hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_type = SADB_ACQUIRE; hdr->sadb_msg_satype = pfkey_proto2satype(x->id.proto); hdr->sadb_msg_len = size / sizeof(uint64_t); hdr->sadb_msg_errno = 0; hdr->sadb_msg_reserved = 0; hdr->sadb_msg_seq = x->km.seq = get_acqseq(); hdr->sadb_msg_pid = 0; /* src address */ |
4df864c1d networking: make ... |
3012 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
3013 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
3014 3015 3016 3017 3018 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; addr->sadb_address_proto = 0; addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
3019 3020 3021 3022 3023 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(&x->props.saddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) |
1da177e4c Linux-2.6.12-rc2 |
3024 |
BUG(); |
8ff24541d [NET] KEY: Fix wh... |
3025 |
|
1da177e4c Linux-2.6.12-rc2 |
3026 |
/* dst address */ |
4df864c1d networking: make ... |
3027 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
1da177e4c Linux-2.6.12-rc2 |
3028 3029 3030 3031 3032 3033 |
addr->sadb_address_len = (sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; addr->sadb_address_proto = 0; addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
3034 3035 3036 3037 3038 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(&x->id.daddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) |
1da177e4c Linux-2.6.12-rc2 |
3039 |
BUG(); |
4df864c1d networking: make ... |
3040 |
pol = skb_put(skb, sizeof(struct sadb_x_policy)); |
1da177e4c Linux-2.6.12-rc2 |
3041 3042 3043 |
pol->sadb_x_policy_len = sizeof(struct sadb_x_policy)/sizeof(uint64_t); pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; |
65e0736bc xfrm: remove redu... |
3044 |
pol->sadb_x_policy_dir = XFRM_POLICY_OUT + 1; |
ff862a466 af_key: more info... |
3045 |
pol->sadb_x_policy_reserved = 0; |
1da177e4c Linux-2.6.12-rc2 |
3046 |
pol->sadb_x_policy_id = xp->index; |
ff862a466 af_key: more info... |
3047 |
pol->sadb_x_policy_priority = xp->priority; |
1da177e4c Linux-2.6.12-rc2 |
3048 3049 3050 3051 3052 3053 |
/* Set sadb_comb's. */ if (x->id.proto == IPPROTO_AH) dump_ah_combs(skb, t); else if (x->id.proto == IPPROTO_ESP) dump_esp_combs(skb, t); |
4e2ba18ea [MLSXFRM]: Add se... |
3054 3055 |
/* security context */ if (xfrm_ctx) { |
4df864c1d networking: make ... |
3056 3057 |
sec_ctx = skb_put(skb, sizeof(struct sadb_x_sec_ctx) + ctx_size); |
4e2ba18ea [MLSXFRM]: Add se... |
3058 3059 3060 3061 3062 3063 3064 3065 3066 |
sec_ctx->sadb_x_sec_len = (sizeof(struct sadb_x_sec_ctx) + ctx_size) / sizeof(uint64_t); sec_ctx->sadb_x_sec_exttype = SADB_X_EXT_SEC_CTX; sec_ctx->sadb_x_ctx_doi = xfrm_ctx->ctx_doi; sec_ctx->sadb_x_ctx_alg = xfrm_ctx->ctx_alg; sec_ctx->sadb_x_ctx_len = xfrm_ctx->ctx_len; memcpy(sec_ctx + 1, xfrm_ctx->ctx_str, xfrm_ctx->ctx_len); } |
36f41f8fc af_key: do not us... |
3067 3068 |
return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); |
1da177e4c Linux-2.6.12-rc2 |
3069 |
} |
cb969f072 [MLSXFRM]: Defaul... |
3070 |
static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt, |
8ff24541d [NET] KEY: Fix wh... |
3071 |
u8 *data, int len, int *dir) |
1da177e4c Linux-2.6.12-rc2 |
3072 |
{ |
07fb0f179 netns PF_KEY: part 2 |
3073 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
3074 3075 |
struct xfrm_policy *xp; struct sadb_x_policy *pol = (struct sadb_x_policy*)data; |
df71837d5 [LSM-IPSec]: Secu... |
3076 |
struct sadb_x_sec_ctx *sec_ctx; |
1da177e4c Linux-2.6.12-rc2 |
3077 |
|
cb969f072 [MLSXFRM]: Defaul... |
3078 |
switch (sk->sk_family) { |
1da177e4c Linux-2.6.12-rc2 |
3079 3080 3081 3082 3083 3084 |
case AF_INET: if (opt != IP_IPSEC_POLICY) { *dir = -EOPNOTSUPP; return NULL; } break; |
dfd56b8b3 net: use IS_ENABL... |
3085 |
#if IS_ENABLED(CONFIG_IPV6) |
1da177e4c Linux-2.6.12-rc2 |
3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 |
case AF_INET6: if (opt != IPV6_IPSEC_POLICY) { *dir = -EOPNOTSUPP; return NULL; } break; #endif default: *dir = -EINVAL; return NULL; } *dir = -EINVAL; if (len < sizeof(struct sadb_x_policy) || pol->sadb_x_policy_len*8 > len || pol->sadb_x_policy_type > IPSEC_POLICY_BYPASS || (!pol->sadb_x_policy_dir || pol->sadb_x_policy_dir > IPSEC_DIR_OUTBOUND)) return NULL; |
07fb0f179 netns PF_KEY: part 2 |
3105 |
xp = xfrm_policy_alloc(net, GFP_ATOMIC); |
1da177e4c Linux-2.6.12-rc2 |
3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 |
if (xp == NULL) { *dir = -ENOBUFS; return NULL; } xp->action = (pol->sadb_x_policy_type == IPSEC_POLICY_DISCARD ? XFRM_POLICY_BLOCK : XFRM_POLICY_ALLOW); xp->lft.soft_byte_limit = XFRM_INF; xp->lft.hard_byte_limit = XFRM_INF; xp->lft.soft_packet_limit = XFRM_INF; xp->lft.hard_packet_limit = XFRM_INF; |
cb969f072 [MLSXFRM]: Defaul... |
3118 |
xp->family = sk->sk_family; |
1da177e4c Linux-2.6.12-rc2 |
3119 3120 3121 3122 3123 |
xp->xfrm_nr = 0; if (pol->sadb_x_policy_type == IPSEC_POLICY_IPSEC && (*dir = parse_ipsecrequests(xp, pol)) < 0) goto out; |
df71837d5 [LSM-IPSec]: Secu... |
3124 3125 3126 3127 3128 3129 3130 3131 3132 |
/* security context too */ if (len >= (pol->sadb_x_policy_len*8 + sizeof(struct sadb_x_sec_ctx))) { char *p = (char *)pol; struct xfrm_user_sec_ctx *uctx; p += pol->sadb_x_policy_len*8; sec_ctx = (struct sadb_x_sec_ctx *)p; if (len < pol->sadb_x_policy_len*8 + |
d90c90244 af_key: Fix slab-... |
3133 |
sec_ctx->sadb_x_sec_len*8) { |
cb969f072 [MLSXFRM]: Defaul... |
3134 |
*dir = -EINVAL; |
df71837d5 [LSM-IPSec]: Secu... |
3135 |
goto out; |
cb969f072 [MLSXFRM]: Defaul... |
3136 |
} |
df71837d5 [LSM-IPSec]: Secu... |
3137 3138 |
if ((*dir = verify_sec_ctx_len(p))) goto out; |
87536a81e net: af_key: fix ... |
3139 |
uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx, GFP_ATOMIC); |
52a4c6404 selinux: add gfp ... |
3140 |
*dir = security_xfrm_policy_alloc(&xp->security, uctx, GFP_ATOMIC); |
df71837d5 [LSM-IPSec]: Secu... |
3141 3142 3143 3144 3145 |
kfree(uctx); if (*dir) goto out; } |
1da177e4c Linux-2.6.12-rc2 |
3146 3147 3148 3149 |
*dir = pol->sadb_x_policy_dir-1; return xp; out: |
70e90679f af_key: mark poli... |
3150 |
xp->walk.dead = 1; |
64c31b3f7 [XFRM] xfrm_polic... |
3151 |
xfrm_policy_destroy(xp); |
1da177e4c Linux-2.6.12-rc2 |
3152 3153 |
return NULL; } |
5d36b1803 [XFRM]: annotate ... |
3154 |
static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport) |
1da177e4c Linux-2.6.12-rc2 |
3155 3156 3157 3158 3159 3160 |
{ struct sk_buff *skb; struct sadb_msg *hdr; struct sadb_sa *sa; struct sadb_address *addr; struct sadb_x_nat_t_port *n_port; |
1da177e4c Linux-2.6.12-rc2 |
3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 |
int sockaddr_size; int size; __u8 satype = (x->id.proto == IPPROTO_ESP ? SADB_SATYPE_ESP : 0); struct xfrm_encap_tmpl *natt = NULL; sockaddr_size = pfkey_sockaddr_size(x->props.family); if (!sockaddr_size) return -EINVAL; if (!satype) return -EINVAL; if (!x->encap) return -EINVAL; natt = x->encap; /* Build an SADB_X_NAT_T_NEW_MAPPING message: * * HDR | SA | ADDRESS_SRC (old addr) | NAT_T_SPORT (old port) | * ADDRESS_DST (new addr) | NAT_T_DPORT (new port) */ |
8ff24541d [NET] KEY: Fix wh... |
3183 |
|
1da177e4c Linux-2.6.12-rc2 |
3184 3185 3186 3187 3188 |
size = sizeof(struct sadb_msg) + sizeof(struct sadb_sa) + (sizeof(struct sadb_address) * 2) + (sockaddr_size * 2) + (sizeof(struct sadb_x_nat_t_port) * 2); |
8ff24541d [NET] KEY: Fix wh... |
3189 |
|
1da177e4c Linux-2.6.12-rc2 |
3190 3191 3192 |
skb = alloc_skb(size + 16, GFP_ATOMIC); if (skb == NULL) return -ENOMEM; |
8ff24541d [NET] KEY: Fix wh... |
3193 |
|
4df864c1d networking: make ... |
3194 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
1da177e4c Linux-2.6.12-rc2 |
3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 |
hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_type = SADB_X_NAT_T_NEW_MAPPING; hdr->sadb_msg_satype = satype; hdr->sadb_msg_len = size / sizeof(uint64_t); hdr->sadb_msg_errno = 0; hdr->sadb_msg_reserved = 0; hdr->sadb_msg_seq = x->km.seq = get_acqseq(); hdr->sadb_msg_pid = 0; /* SA */ |
4df864c1d networking: make ... |
3205 |
sa = skb_put(skb, sizeof(struct sadb_sa)); |
1da177e4c Linux-2.6.12-rc2 |
3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 |
sa->sadb_sa_len = sizeof(struct sadb_sa)/sizeof(uint64_t); sa->sadb_sa_exttype = SADB_EXT_SA; sa->sadb_sa_spi = x->id.spi; sa->sadb_sa_replay = 0; sa->sadb_sa_state = 0; sa->sadb_sa_auth = 0; sa->sadb_sa_encrypt = 0; sa->sadb_sa_flags = 0; /* ADDRESS_SRC (old addr) */ |
4df864c1d networking: make ... |
3216 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
3217 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
3218 3219 3220 3221 3222 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_SRC; addr->sadb_address_proto = 0; addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
3223 3224 3225 3226 3227 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(&x->props.saddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) |
1da177e4c Linux-2.6.12-rc2 |
3228 3229 3230 |
BUG(); /* NAT_T_SPORT (old port) */ |
4df864c1d networking: make ... |
3231 |
n_port = skb_put(skb, sizeof(*n_port)); |
1da177e4c Linux-2.6.12-rc2 |
3232 3233 3234 3235 3236 3237 |
n_port->sadb_x_nat_t_port_len = sizeof(*n_port)/sizeof(uint64_t); n_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_SPORT; n_port->sadb_x_nat_t_port_port = natt->encap_sport; n_port->sadb_x_nat_t_port_reserved = 0; /* ADDRESS_DST (new addr) */ |
4df864c1d networking: make ... |
3238 |
addr = skb_put(skb, sizeof(struct sadb_address) + sockaddr_size); |
8ff24541d [NET] KEY: Fix wh... |
3239 |
addr->sadb_address_len = |
1da177e4c Linux-2.6.12-rc2 |
3240 3241 3242 3243 3244 |
(sizeof(struct sadb_address)+sockaddr_size)/ sizeof(uint64_t); addr->sadb_address_exttype = SADB_EXT_ADDRESS_DST; addr->sadb_address_proto = 0; addr->sadb_address_reserved = 0; |
e5b56652c key: Share common... |
3245 3246 3247 3248 3249 |
addr->sadb_address_prefixlen = pfkey_sockaddr_fill(ipaddr, 0, (struct sockaddr *) (addr + 1), x->props.family); if (!addr->sadb_address_prefixlen) |
1da177e4c Linux-2.6.12-rc2 |
3250 3251 3252 |
BUG(); /* NAT_T_DPORT (new port) */ |
4df864c1d networking: make ... |
3253 |
n_port = skb_put(skb, sizeof(*n_port)); |
1da177e4c Linux-2.6.12-rc2 |
3254 3255 3256 3257 |
n_port->sadb_x_nat_t_port_len = sizeof(*n_port)/sizeof(uint64_t); n_port->sadb_x_nat_t_port_exttype = SADB_X_EXT_NAT_T_DPORT; n_port->sadb_x_nat_t_port_port = sport; n_port->sadb_x_nat_t_port_reserved = 0; |
36f41f8fc af_key: do not us... |
3258 3259 |
return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); |
1da177e4c Linux-2.6.12-rc2 |
3260 |
} |
08de61bea [PFKEYV2]: Extens... |
3261 3262 |
#ifdef CONFIG_NET_KEY_MIGRATE static int set_sadb_address(struct sk_buff *skb, int sasize, int type, |
183cad127 xfrm: Const'ify p... |
3263 |
const struct xfrm_selector *sel) |
08de61bea [PFKEYV2]: Extens... |
3264 3265 |
{ struct sadb_address *addr; |
4df864c1d networking: make ... |
3266 |
addr = skb_put(skb, sizeof(struct sadb_address) + sasize); |
08de61bea [PFKEYV2]: Extens... |
3267 3268 3269 3270 3271 3272 3273 |
addr->sadb_address_len = (sizeof(struct sadb_address) + sasize)/8; addr->sadb_address_exttype = type; addr->sadb_address_proto = sel->proto; addr->sadb_address_reserved = 0; switch (type) { case SADB_EXT_ADDRESS_SRC: |
e5b56652c key: Share common... |
3274 3275 3276 3277 |
addr->sadb_address_prefixlen = sel->prefixlen_s; pfkey_sockaddr_fill(&sel->saddr, 0, (struct sockaddr *)(addr + 1), sel->family); |
08de61bea [PFKEYV2]: Extens... |
3278 3279 |
break; case SADB_EXT_ADDRESS_DST: |
e5b56652c key: Share common... |
3280 3281 3282 3283 |
addr->sadb_address_prefixlen = sel->prefixlen_d; pfkey_sockaddr_fill(&sel->daddr, 0, (struct sockaddr *)(addr + 1), sel->family); |
08de61bea [PFKEYV2]: Extens... |
3284 3285 3286 3287 3288 3289 3290 |
break; default: return -EINVAL; } return 0; } |
13c1d1893 xfrm: MIGRATE enh... |
3291 |
|
183cad127 xfrm: Const'ify p... |
3292 |
static int set_sadb_kmaddress(struct sk_buff *skb, const struct xfrm_kmaddress *k) |
13c1d1893 xfrm: MIGRATE enh... |
3293 3294 3295 3296 3297 3298 3299 3300 3301 |
{ 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)); |
b080db585 networking: conve... |
3302 |
kma = skb_put_zero(skb, size_req); |
13c1d1893 xfrm: MIGRATE enh... |
3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 |
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; } |
08de61bea [PFKEYV2]: Extens... |
3314 3315 3316 |
static int set_ipsecrequest(struct sk_buff *skb, uint8_t proto, uint8_t mode, int level, uint32_t reqid, uint8_t family, |
183cad127 xfrm: Const'ify p... |
3317 |
const xfrm_address_t *src, const xfrm_address_t *dst) |
08de61bea [PFKEYV2]: Extens... |
3318 3319 |
{ struct sadb_x_ipsecrequest *rq; |
e5b56652c key: Share common... |
3320 3321 |
u8 *sa; int socklen = pfkey_sockaddr_len(family); |
08de61bea [PFKEYV2]: Extens... |
3322 3323 3324 3325 |
int size_req; size_req = sizeof(struct sadb_x_ipsecrequest) + pfkey_sockaddr_pair_size(family); |
b080db585 networking: conve... |
3326 |
rq = skb_put_zero(skb, size_req); |
08de61bea [PFKEYV2]: Extens... |
3327 3328 3329 3330 3331 |
rq->sadb_x_ipsecrequest_len = size_req; rq->sadb_x_ipsecrequest_proto = proto; rq->sadb_x_ipsecrequest_mode = mode; rq->sadb_x_ipsecrequest_level = level; rq->sadb_x_ipsecrequest_reqid = reqid; |
e5b56652c key: Share common... |
3332 3333 3334 |
sa = (u8 *) (rq + 1); if (!pfkey_sockaddr_fill(src, 0, (struct sockaddr *)sa, family) || !pfkey_sockaddr_fill(dst, 0, (struct sockaddr *)(sa + socklen), family)) |
08de61bea [PFKEYV2]: Extens... |
3335 |
return -EINVAL; |
08de61bea [PFKEYV2]: Extens... |
3336 3337 3338 3339 3340 3341 |
return 0; } #endif #ifdef CONFIG_NET_KEY_MIGRATE |
183cad127 xfrm: Const'ify p... |
3342 3343 |
static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, const struct xfrm_migrate *m, int num_bundles, |
8bafd7309 xfrm: add UDP enc... |
3344 3345 |
const struct xfrm_kmaddress *k, const struct xfrm_encap_tmpl *encap) |
08de61bea [PFKEYV2]: Extens... |
3346 3347 3348 3349 3350 3351 3352 3353 |
{ int i; int sasize_sel; int size = 0; int size_pol = 0; struct sk_buff *skb; struct sadb_msg *hdr; struct sadb_x_policy *pol; |
183cad127 xfrm: Const'ify p... |
3354 |
const struct xfrm_migrate *mp; |
08de61bea [PFKEYV2]: Extens... |
3355 3356 3357 3358 3359 3360 |
if (type != XFRM_POLICY_TYPE_MAIN) return 0; if (num_bundles <= 0 || num_bundles > XFRM_MAX_DEPTH) return -EINVAL; |
13c1d1893 xfrm: MIGRATE enh... |
3361 3362 3363 3364 3365 |
if (k != NULL) { /* addresses for KM */ size += PFKEY_ALIGN8(sizeof(struct sadb_x_kmaddress) + pfkey_sockaddr_pair_size(k->family)); } |
08de61bea [PFKEYV2]: Extens... |
3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 |
/* selector */ sasize_sel = pfkey_sockaddr_size(sel->family); if (!sasize_sel) return -EINVAL; size += (sizeof(struct sadb_address) + sasize_sel) * 2; /* policy info */ size_pol += sizeof(struct sadb_x_policy); /* ipsecrequests */ for (i = 0, mp = m; i < num_bundles; i++, mp++) { /* old locator pair */ size_pol += sizeof(struct sadb_x_ipsecrequest) + pfkey_sockaddr_pair_size(mp->old_family); /* new locator pair */ size_pol += sizeof(struct sadb_x_ipsecrequest) + pfkey_sockaddr_pair_size(mp->new_family); } size += sizeof(struct sadb_msg) + size_pol; /* alloc buffer */ skb = alloc_skb(size, GFP_ATOMIC); if (skb == NULL) return -ENOMEM; |
4df864c1d networking: make ... |
3391 |
hdr = skb_put(skb, sizeof(struct sadb_msg)); |
08de61bea [PFKEYV2]: Extens... |
3392 3393 3394 3395 3396 3397 3398 3399 |
hdr->sadb_msg_version = PF_KEY_V2; hdr->sadb_msg_type = SADB_X_MIGRATE; hdr->sadb_msg_satype = pfkey_proto2satype(m->proto); hdr->sadb_msg_len = size / 8; hdr->sadb_msg_errno = 0; hdr->sadb_msg_reserved = 0; hdr->sadb_msg_seq = 0; hdr->sadb_msg_pid = 0; |
13c1d1893 xfrm: MIGRATE enh... |
3400 3401 |
/* Addresses to be used by KM for negotiation, if ext is available */ if (k != NULL && (set_sadb_kmaddress(skb, k) < 0)) |
89eb06f11 net/key/af_key.c:... |
3402 |
goto err; |
13c1d1893 xfrm: MIGRATE enh... |
3403 |
|
08de61bea [PFKEYV2]: Extens... |
3404 3405 3406 3407 3408 3409 3410 |
/* selector src */ set_sadb_address(skb, sasize_sel, SADB_EXT_ADDRESS_SRC, sel); /* selector dst */ set_sadb_address(skb, sasize_sel, SADB_EXT_ADDRESS_DST, sel); /* policy information */ |
4df864c1d networking: make ... |
3411 |
pol = skb_put(skb, sizeof(struct sadb_x_policy)); |
08de61bea [PFKEYV2]: Extens... |
3412 3413 3414 3415 |
pol->sadb_x_policy_len = size_pol / 8; pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY; pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC; pol->sadb_x_policy_dir = dir + 1; |
ff862a466 af_key: more info... |
3416 |
pol->sadb_x_policy_reserved = 0; |
08de61bea [PFKEYV2]: Extens... |
3417 3418 3419 3420 3421 |
pol->sadb_x_policy_id = 0; pol->sadb_x_policy_priority = 0; for (i = 0, mp = m; i < num_bundles; i++, mp++) { /* old ipsecrequest */ |
55569ce25 [KEY]: Fix conver... |
3422 3423 |
int mode = pfkey_mode_from_xfrm(mp->mode); if (mode < 0) |
d4782c323 [AF_KEY]: Fix skb... |
3424 |
goto err; |
55569ce25 [KEY]: Fix conver... |
3425 |
if (set_ipsecrequest(skb, mp->proto, mode, |
08de61bea [PFKEYV2]: Extens... |
3426 3427 |
(mp->reqid ? IPSEC_LEVEL_UNIQUE : IPSEC_LEVEL_REQUIRE), mp->reqid, mp->old_family, |
d4782c323 [AF_KEY]: Fix skb... |
3428 3429 |
&mp->old_saddr, &mp->old_daddr) < 0) goto err; |
08de61bea [PFKEYV2]: Extens... |
3430 3431 |
/* new ipsecrequest */ |
55569ce25 [KEY]: Fix conver... |
3432 |
if (set_ipsecrequest(skb, mp->proto, mode, |
08de61bea [PFKEYV2]: Extens... |
3433 3434 |
(mp->reqid ? IPSEC_LEVEL_UNIQUE : IPSEC_LEVEL_REQUIRE), mp->reqid, mp->new_family, |
d4782c323 [AF_KEY]: Fix skb... |
3435 3436 |
&mp->new_saddr, &mp->new_daddr) < 0) goto err; |
08de61bea [PFKEYV2]: Extens... |
3437 3438 3439 |
} /* broadcast migrate message to sockets */ |
36f41f8fc af_key: do not us... |
3440 |
pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net); |
08de61bea [PFKEYV2]: Extens... |
3441 3442 |
return 0; |
d4782c323 [AF_KEY]: Fix skb... |
3443 3444 3445 3446 |
err: kfree_skb(skb); return -EINVAL; |
08de61bea [PFKEYV2]: Extens... |
3447 3448 |
} #else |
183cad127 xfrm: Const'ify p... |
3449 3450 |
static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, const struct xfrm_migrate *m, int num_bundles, |
8bafd7309 xfrm: add UDP enc... |
3451 3452 |
const struct xfrm_kmaddress *k, const struct xfrm_encap_tmpl *encap) |
08de61bea [PFKEYV2]: Extens... |
3453 3454 3455 3456 |
{ return -ENOPROTOOPT; } #endif |
1b7841404 net: Remove iocb ... |
3457 |
static int pfkey_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) |
1da177e4c Linux-2.6.12-rc2 |
3458 3459 3460 3461 3462 |
{ struct sock *sk = sock->sk; struct sk_buff *skb = NULL; struct sadb_msg *hdr = NULL; int err; |
283bc9f35 xfrm: Namespacify... |
3463 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
3464 3465 3466 3467 3468 3469 |
err = -EOPNOTSUPP; if (msg->msg_flags & MSG_OOB) goto out; err = -EMSGSIZE; |
95c961747 net: cleanup unsi... |
3470 |
if ((unsigned int)len > sk->sk_sndbuf - 32) |
1da177e4c Linux-2.6.12-rc2 |
3471 3472 3473 3474 3475 3476 3477 3478 |
goto out; err = -ENOBUFS; skb = alloc_skb(len, GFP_KERNEL); if (skb == NULL) goto out; err = -EFAULT; |
6ce8e9ce5 new helper: memcp... |
3479 |
if (memcpy_from_msg(skb_put(skb,len), msg, len)) |
1da177e4c Linux-2.6.12-rc2 |
3480 3481 3482 3483 3484 |
goto out; hdr = pfkey_get_base_msg(skb, &err); if (!hdr) goto out; |
283bc9f35 xfrm: Namespacify... |
3485 |
mutex_lock(&net->xfrm.xfrm_cfg_mutex); |
1da177e4c Linux-2.6.12-rc2 |
3486 |
err = pfkey_process(sk, skb, hdr); |
283bc9f35 xfrm: Namespacify... |
3487 |
mutex_unlock(&net->xfrm.xfrm_cfg_mutex); |
1da177e4c Linux-2.6.12-rc2 |
3488 3489 3490 3491 |
out: if (err && hdr && pfkey_error(hdr, err, sk) == 0) err = 0; |
6f9610686 af_key: remove so... |
3492 |
kfree_skb(skb); |
1da177e4c Linux-2.6.12-rc2 |
3493 3494 3495 |
return err ? : len; } |
1b7841404 net: Remove iocb ... |
3496 |
static int pfkey_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, |
1da177e4c Linux-2.6.12-rc2 |
3497 3498 3499 |
int flags) { struct sock *sk = sock->sk; |
83321d6b9 [AF_KEY]: Dump SA... |
3500 |
struct pfkey_sock *pfk = pfkey_sk(sk); |
1da177e4c Linux-2.6.12-rc2 |
3501 3502 3503 3504 3505 3506 |
struct sk_buff *skb; int copied, err; err = -EINVAL; if (flags & ~(MSG_PEEK|MSG_DONTWAIT|MSG_TRUNC|MSG_CMSG_COMPAT)) goto out; |
1da177e4c Linux-2.6.12-rc2 |
3507 3508 3509 3510 3511 3512 3513 3514 3515 |
skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err); if (skb == NULL) goto out; copied = skb->len; if (copied > len) { msg->msg_flags |= MSG_TRUNC; copied = len; } |
badff6d01 [SK_BUFF]: Introd... |
3516 |
skb_reset_transport_header(skb); |
51f3d02b9 net: Add and use ... |
3517 |
err = skb_copy_datagram_msg(skb, 0, msg, copied); |
1da177e4c Linux-2.6.12-rc2 |
3518 3519 |
if (err) goto out_free; |
3b885787e net: Generalize s... |
3520 |
sock_recv_ts_and_drops(msg, sk, skb); |
1da177e4c Linux-2.6.12-rc2 |
3521 3522 |
err = (flags & MSG_TRUNC) ? skb->len : copied; |
83321d6b9 [AF_KEY]: Dump SA... |
3523 3524 3525 |
if (pfk->dump.dump != NULL && 3 * atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf) pfkey_do_dump(pfk); |
1da177e4c Linux-2.6.12-rc2 |
3526 3527 3528 3529 3530 |
out_free: skb_free_datagram(sk, skb); out: return err; } |
90ddc4f04 [NET]: move struc... |
3531 |
static const struct proto_ops pfkey_ops = { |
1da177e4c Linux-2.6.12-rc2 |
3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 |
.family = PF_KEY, .owner = THIS_MODULE, /* Operations that make no sense on pfkey sockets. */ .bind = sock_no_bind, .connect = sock_no_connect, .socketpair = sock_no_socketpair, .accept = sock_no_accept, .getname = sock_no_getname, .ioctl = sock_no_ioctl, .listen = sock_no_listen, .shutdown = sock_no_shutdown, .setsockopt = sock_no_setsockopt, .getsockopt = sock_no_getsockopt, .mmap = sock_no_mmap, .sendpage = sock_no_sendpage, /* Now the operations that really occur. */ .release = pfkey_release, .poll = datagram_poll, .sendmsg = pfkey_sendmsg, .recvmsg = pfkey_recvmsg, }; |
ec1b4cf74 net: mark net_pro... |
3554 |
static const struct net_proto_family pfkey_family_ops = { |
1da177e4c Linux-2.6.12-rc2 |
3555 3556 3557 3558 3559 3560 |
.family = PF_KEY, .create = pfkey_create, .owner = THIS_MODULE, }; #ifdef CONFIG_PROC_FS |
bd2f74765 [KEY]: Convert ne... |
3561 |
static int pfkey_seq_show(struct seq_file *f, void *v) |
1da177e4c Linux-2.6.12-rc2 |
3562 |
{ |
27b5b8657 net: af_key: use ... |
3563 |
struct sock *s = sk_entry(v); |
1da177e4c Linux-2.6.12-rc2 |
3564 |
|
bd2f74765 [KEY]: Convert ne... |
3565 3566 3567 3568 |
if (v == SEQ_START_TOKEN) seq_printf(f ,"sk RefCnt Rmem Wmem User Inode "); else |
71338aa7d net: convert %p u... |
3569 3570 |
seq_printf(f, "%pK %-6d %-6u %-6u %-6u %-6lu ", |
1da177e4c Linux-2.6.12-rc2 |
3571 |
s, |
41c6d650f net: convert sock... |
3572 |
refcount_read(&s->sk_refcnt), |
31e6d363a net: correct off-... |
3573 3574 |
sk_rmem_alloc_get(s), sk_wmem_alloc_get(s), |
a7cb5a49b userns: Print out... |
3575 |
from_kuid_munged(seq_user_ns(f), sock_i_uid(s)), |
1da177e4c Linux-2.6.12-rc2 |
3576 3577 |
sock_i_ino(s) ); |
bd2f74765 [KEY]: Convert ne... |
3578 3579 3580 3581 |
return 0; } static void *pfkey_seq_start(struct seq_file *f, loff_t *ppos) |
ada440e3b afkey: add sparse... |
3582 |
__acquires(rcu) |
bd2f74765 [KEY]: Convert ne... |
3583 |
{ |
7013ec30e netns PF_KEY: per... |
3584 |
struct net *net = seq_file_net(f); |
3fa87a321 netns PF_KEY: part 1 |
3585 |
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
1da177e4c Linux-2.6.12-rc2 |
3586 |
|
7f6b9dbd5 af_key: locking c... |
3587 3588 |
rcu_read_lock(); return seq_hlist_start_head_rcu(&net_pfkey->table, *ppos); |
bd2f74765 [KEY]: Convert ne... |
3589 3590 3591 3592 |
} static void *pfkey_seq_next(struct seq_file *f, void *v, loff_t *ppos) { |
7013ec30e netns PF_KEY: per... |
3593 |
struct net *net = seq_file_net(f); |
3fa87a321 netns PF_KEY: part 1 |
3594 |
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
7f6b9dbd5 af_key: locking c... |
3595 |
return seq_hlist_next_rcu(v, &net_pfkey->table, ppos); |
bd2f74765 [KEY]: Convert ne... |
3596 |
} |
1da177e4c Linux-2.6.12-rc2 |
3597 |
|
bd2f74765 [KEY]: Convert ne... |
3598 |
static void pfkey_seq_stop(struct seq_file *f, void *v) |
ada440e3b afkey: add sparse... |
3599 |
__releases(rcu) |
bd2f74765 [KEY]: Convert ne... |
3600 |
{ |
7f6b9dbd5 af_key: locking c... |
3601 |
rcu_read_unlock(); |
bd2f74765 [KEY]: Convert ne... |
3602 |
} |
1da177e4c Linux-2.6.12-rc2 |
3603 |
|
98147d527 net: seq_operatio... |
3604 |
static const struct seq_operations pfkey_seq_ops = { |
bd2f74765 [KEY]: Convert ne... |
3605 3606 3607 3608 3609 |
.start = pfkey_seq_start, .next = pfkey_seq_next, .stop = pfkey_seq_stop, .show = pfkey_seq_show, }; |
1da177e4c Linux-2.6.12-rc2 |
3610 |
|
bd2f74765 [KEY]: Convert ne... |
3611 3612 |
static int pfkey_seq_open(struct inode *inode, struct file *file) { |
7013ec30e netns PF_KEY: per... |
3613 3614 |
return seq_open_net(inode, file, &pfkey_seq_ops, sizeof(struct seq_net_private)); |
1da177e4c Linux-2.6.12-rc2 |
3615 |
} |
61145aa1a [KEY]: Clean up p... |
3616 |
|
5ca1b998d net: file_operati... |
3617 |
static const struct file_operations pfkey_proc_ops = { |
bd2f74765 [KEY]: Convert ne... |
3618 3619 3620 |
.open = pfkey_seq_open, .read = seq_read, .llseek = seq_lseek, |
7013ec30e netns PF_KEY: per... |
3621 |
.release = seq_release_net, |
bd2f74765 [KEY]: Convert ne... |
3622 |
}; |
7013ec30e netns PF_KEY: per... |
3623 |
static int __net_init pfkey_init_proc(struct net *net) |
61145aa1a [KEY]: Clean up p... |
3624 |
{ |
bd2f74765 [KEY]: Convert ne... |
3625 |
struct proc_dir_entry *e; |
d4beaa66a net: proc: change... |
3626 |
e = proc_create("pfkey", 0, net->proc_net, &pfkey_proc_ops); |
bd2f74765 [KEY]: Convert ne... |
3627 |
if (e == NULL) |
61145aa1a [KEY]: Clean up p... |
3628 |
return -ENOMEM; |
bd2f74765 [KEY]: Convert ne... |
3629 |
|
bd2f74765 [KEY]: Convert ne... |
3630 |
return 0; |
61145aa1a [KEY]: Clean up p... |
3631 |
} |
2c8c1e729 net: spread __net... |
3632 |
static void __net_exit pfkey_exit_proc(struct net *net) |
61145aa1a [KEY]: Clean up p... |
3633 |
{ |
ece31ffd5 net: proc: change... |
3634 |
remove_proc_entry("pfkey", net->proc_net); |
61145aa1a [KEY]: Clean up p... |
3635 3636 |
} #else |
2c8c1e729 net: spread __net... |
3637 |
static inline int pfkey_init_proc(struct net *net) |
61145aa1a [KEY]: Clean up p... |
3638 3639 3640 |
{ return 0; } |
2c8c1e729 net: spread __net... |
3641 |
static inline void pfkey_exit_proc(struct net *net) |
61145aa1a [KEY]: Clean up p... |
3642 3643 |
{ } |
1da177e4c Linux-2.6.12-rc2 |
3644 3645 3646 3647 |
#endif static struct xfrm_mgr pfkeyv2_mgr = { |
1da177e4c Linux-2.6.12-rc2 |
3648 3649 3650 3651 |
.notify = pfkey_send_notify, .acquire = pfkey_send_acquire, .compile_policy = pfkey_compile_policy, .new_mapping = pfkey_send_new_mapping, |
26b15dad9 [IPSEC] Add compl... |
3652 |
.notify_policy = pfkey_send_policy_notify, |
08de61bea [PFKEYV2]: Extens... |
3653 |
.migrate = pfkey_send_migrate, |
0f24558e9 xfrm: avoid creat... |
3654 |
.is_alive = pfkey_is_alive, |
1da177e4c Linux-2.6.12-rc2 |
3655 |
}; |
3fa87a321 netns PF_KEY: part 1 |
3656 3657 |
static int __net_init pfkey_net_init(struct net *net) { |
23c049ca9 net: Simplify af_... |
3658 |
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
3fa87a321 netns PF_KEY: part 1 |
3659 |
int rv; |
3fa87a321 netns PF_KEY: part 1 |
3660 3661 |
INIT_HLIST_HEAD(&net_pfkey->table); atomic_set(&net_pfkey->socks_nr, 0); |
23c049ca9 net: Simplify af_... |
3662 |
|
7013ec30e netns PF_KEY: per... |
3663 |
rv = pfkey_init_proc(net); |
3fa87a321 netns PF_KEY: part 1 |
3664 |
|
3fa87a321 netns PF_KEY: part 1 |
3665 3666 3667 3668 3669 3670 |
return rv; } static void __net_exit pfkey_net_exit(struct net *net) { struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id); |
7013ec30e netns PF_KEY: per... |
3671 |
pfkey_exit_proc(net); |
3fa87a321 netns PF_KEY: part 1 |
3672 |
BUG_ON(!hlist_empty(&net_pfkey->table)); |
3fa87a321 netns PF_KEY: part 1 |
3673 3674 3675 3676 3677 |
} static struct pernet_operations pfkey_net_ops = { .init = pfkey_net_init, .exit = pfkey_net_exit, |
23c049ca9 net: Simplify af_... |
3678 3679 |
.id = &pfkey_net_id, .size = sizeof(struct netns_pfkey), |
3fa87a321 netns PF_KEY: part 1 |
3680 |
}; |
1da177e4c Linux-2.6.12-rc2 |
3681 3682 3683 |
static void __exit ipsec_pfkey_exit(void) { xfrm_unregister_km(&pfkeyv2_mgr); |
1da177e4c Linux-2.6.12-rc2 |
3684 |
sock_unregister(PF_KEY); |
180211b84 af_key: fix netns... |
3685 |
unregister_pernet_subsys(&pfkey_net_ops); |
1da177e4c Linux-2.6.12-rc2 |
3686 3687 3688 3689 3690 3691 3692 3693 3694 |
proto_unregister(&key_proto); } static int __init ipsec_pfkey_init(void) { int err = proto_register(&key_proto, 0); if (err != 0) goto out; |
180211b84 af_key: fix netns... |
3695 |
err = register_pernet_subsys(&pfkey_net_ops); |
1da177e4c Linux-2.6.12-rc2 |
3696 3697 |
if (err != 0) goto out_unregister_key_proto; |
180211b84 af_key: fix netns... |
3698 3699 3700 |
err = sock_register(&pfkey_family_ops); if (err != 0) goto out_unregister_pernet; |
1da177e4c Linux-2.6.12-rc2 |
3701 3702 |
err = xfrm_register_km(&pfkeyv2_mgr); if (err != 0) |
7013ec30e netns PF_KEY: per... |
3703 |
goto out_sock_unregister; |
1da177e4c Linux-2.6.12-rc2 |
3704 3705 |
out: return err; |
180211b84 af_key: fix netns... |
3706 |
|
1da177e4c Linux-2.6.12-rc2 |
3707 |
out_sock_unregister: |
1da177e4c Linux-2.6.12-rc2 |
3708 |
sock_unregister(PF_KEY); |
180211b84 af_key: fix netns... |
3709 3710 |
out_unregister_pernet: unregister_pernet_subsys(&pfkey_net_ops); |
1da177e4c Linux-2.6.12-rc2 |
3711 3712 3713 3714 3715 3716 3717 3718 3719 |
out_unregister_key_proto: proto_unregister(&key_proto); goto out; } module_init(ipsec_pfkey_init); module_exit(ipsec_pfkey_exit); MODULE_LICENSE("GPL"); MODULE_ALIAS_NETPROTO(PF_KEY); |