From 221df1ed33c9284fc7a6f6e47ca7f8d5f3665d43 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 25 Nov 2008 17:30:50 -0800 Subject: [PATCH] netns xfrm: state lookup in netns Signed-off-by: Alexey Dobriyan Signed-off-by: David S. Miller --- include/net/xfrm.h | 4 ++-- net/ipv4/ah4.c | 2 +- net/ipv4/esp4.c | 2 +- net/ipv4/ipcomp.c | 4 ++-- net/ipv6/ah6.c | 2 +- net/ipv6/esp6.c | 2 +- net/ipv6/ipcomp6.c | 4 ++-- net/ipv6/xfrm6_input.c | 2 +- net/key/af_key.c | 2 +- net/xfrm/xfrm_input.c | 2 +- net/xfrm/xfrm_state.c | 34 +++++++++++++++++++--------------- net/xfrm/xfrm_user.c | 12 ++++++------ 12 files changed, 38 insertions(+), 34 deletions(-) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index e4bb6722561..15136c5e262 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1323,8 +1323,8 @@ extern int xfrm_state_check_expire(struct xfrm_state *x); extern void xfrm_state_insert(struct xfrm_state *x); extern int xfrm_state_add(struct xfrm_state *x); extern int xfrm_state_update(struct xfrm_state *x); -extern struct xfrm_state *xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family); -extern struct xfrm_state *xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family); +extern struct xfrm_state *xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family); +extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family); #ifdef CONFIG_XFRM_SUB_POLICY extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n, unsigned short family); diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index 992ecd8662e..750426b0a27 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -209,7 +209,7 @@ static void ah4_err(struct sk_buff *skb, u32 info) icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET); + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET); if (!x) return; printk(KERN_DEBUG "pmtu discovery on SA AH/%08x/%08x\n", diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 95a9c65003f..35950128aa9 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -421,7 +421,7 @@ static void esp4_err(struct sk_buff *skb, u32 info) icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return; - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); if (!x) return; NETDEBUG(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%08x\n", diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index 0a35f1b6f22..3262ce06294 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -35,7 +35,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) return; spi = htonl(ntohs(ipch->cpi)); - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET); if (!x) return; @@ -85,7 +85,7 @@ static int ipcomp_tunnel_attach(struct xfrm_state *x) int err = 0; struct xfrm_state *t; - t = xfrm_state_lookup((xfrm_address_t *)&x->id.daddr.a4, + t = xfrm_state_lookup(&init_net, (xfrm_address_t *)&x->id.daddr.a4, x->props.saddr.a4, IPPROTO_IPIP, AF_INET); if (!t) { t = ipcomp_tunnel_create(x); diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 13e330d8917..6ae014b86b6 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -415,7 +415,7 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, type != ICMPV6_PKT_TOOBIG) return; - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6); + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6); if (!x) return; diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index c02a6308def..68f2af8c15c 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -364,7 +364,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, type != ICMPV6_PKT_TOOBIG) return; - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); if (!x) return; printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n", diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c index c369638e208..3a0b3be7ece 100644 --- a/net/ipv6/ipcomp6.c +++ b/net/ipv6/ipcomp6.c @@ -63,7 +63,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, return; spi = htonl(ntohs(ipcomph->cpi)); - x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6); + x = xfrm_state_lookup(&init_net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6); if (!x) return; @@ -114,7 +114,7 @@ static int ipcomp6_tunnel_attach(struct xfrm_state *x) spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&x->props.saddr); if (spi) - t = xfrm_state_lookup((xfrm_address_t *)&x->id.daddr, + t = xfrm_state_lookup(&init_net, (xfrm_address_t *)&x->id.daddr, spi, IPPROTO_IPV6, AF_INET6); if (!t) { t = ipcomp6_tunnel_create(x); diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index a71c7ddcb41..b69766a7774 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -100,7 +100,7 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, break; } - x = xfrm_state_lookup_byaddr(dst, src, proto, AF_INET6); + x = xfrm_state_lookup_byaddr(&init_net, dst, src, proto, AF_INET6); if (!x) continue; diff --git a/net/key/af_key.c b/net/key/af_key.c index e5d595a6092..449a5d03e28 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -683,7 +683,7 @@ static struct xfrm_state *pfkey_xfrm_state_lookup(struct sadb_msg *hdr, void ** if (!xaddr) return NULL; - return xfrm_state_lookup(xaddr, sa->sadb_sa_spi, proto, family); + return xfrm_state_lookup(&init_net, xaddr, sa->sadb_sa_spi, proto, family); } #define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1))) diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 75279402ccf..c08a93e98a3 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -151,7 +151,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) goto drop; } - x = xfrm_state_lookup(daddr, spi, nexthdr, family); + x = xfrm_state_lookup(&init_net, daddr, spi, nexthdr, family); if (x == NULL) { XFRM_INC_STATS(LINUX_MIB_XFRMINNOSTATES); xfrm_audit_state_notfound(skb, family, spi, seq); diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 5f4c5340ba3..afde47498cd 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -670,13 +670,13 @@ xfrm_init_tempsel(struct xfrm_state *x, struct flowi *fl, return 0; } -static struct xfrm_state *__xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family) +static struct xfrm_state *__xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family) { - unsigned int h = xfrm_spi_hash(&init_net, daddr, spi, proto, family); + unsigned int h = xfrm_spi_hash(net, daddr, spi, proto, family); struct xfrm_state *x; struct hlist_node *entry; - hlist_for_each_entry(x, entry, init_net.xfrm.state_byspi+h, byspi) { + hlist_for_each_entry(x, entry, net->xfrm.state_byspi+h, byspi) { if (x->props.family != family || x->id.spi != spi || x->id.proto != proto) @@ -702,13 +702,13 @@ static struct xfrm_state *__xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, return NULL; } -static struct xfrm_state *__xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) +static struct xfrm_state *__xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) { - unsigned int h = xfrm_src_hash(&init_net, daddr, saddr, family); + unsigned int h = xfrm_src_hash(net, daddr, saddr, family); struct xfrm_state *x; struct hlist_node *entry; - hlist_for_each_entry(x, entry, init_net.xfrm.state_bysrc+h, bysrc) { + hlist_for_each_entry(x, entry, net->xfrm.state_bysrc+h, bysrc) { if (x->props.family != family || x->id.proto != proto) continue; @@ -740,11 +740,13 @@ static struct xfrm_state *__xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm static inline struct xfrm_state * __xfrm_state_locate(struct xfrm_state *x, int use_spi, int family) { + struct net *net = xs_net(x); + if (use_spi) - return __xfrm_state_lookup(&x->id.daddr, x->id.spi, + return __xfrm_state_lookup(net, &x->id.daddr, x->id.spi, x->id.proto, family); else - return __xfrm_state_lookup_byaddr(&x->id.daddr, + return __xfrm_state_lookup_byaddr(net, &x->id.daddr, &x->props.saddr, x->id.proto, family); } @@ -818,7 +820,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr, x = best; if (!x && !error && !acquire_in_progress) { if (tmpl->id.spi && - (x0 = __xfrm_state_lookup(daddr, tmpl->id.spi, + (x0 = __xfrm_state_lookup(&init_net, daddr, tmpl->id.spi, tmpl->id.proto, family)) != NULL) { to_put = x0; error = -EEXIST; @@ -1361,26 +1363,27 @@ int xfrm_state_check_expire(struct xfrm_state *x) EXPORT_SYMBOL(xfrm_state_check_expire); struct xfrm_state * -xfrm_state_lookup(xfrm_address_t *daddr, __be32 spi, u8 proto, +xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __xfrm_state_lookup(daddr, spi, proto, family); + x = __xfrm_state_lookup(net, daddr, spi, proto, family); spin_unlock_bh(&xfrm_state_lock); return x; } EXPORT_SYMBOL(xfrm_state_lookup); struct xfrm_state * -xfrm_state_lookup_byaddr(xfrm_address_t *daddr, xfrm_address_t *saddr, +xfrm_state_lookup_byaddr(struct net *net, + xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family) { struct xfrm_state *x; spin_lock_bh(&xfrm_state_lock); - x = __xfrm_state_lookup_byaddr(daddr, saddr, proto, family); + x = __xfrm_state_lookup_byaddr(net, daddr, saddr, proto, family); spin_unlock_bh(&xfrm_state_lock); return x; } @@ -1486,6 +1489,7 @@ EXPORT_SYMBOL(xfrm_get_acqseq); int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) { + struct net *net = xs_net(x); unsigned int h; struct xfrm_state *x0; int err = -ENOENT; @@ -1503,7 +1507,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) err = -ENOENT; if (minspi == maxspi) { - x0 = xfrm_state_lookup(&x->id.daddr, minspi, x->id.proto, x->props.family); + x0 = xfrm_state_lookup(net, &x->id.daddr, minspi, x->id.proto, x->props.family); if (x0) { xfrm_state_put(x0); goto unlock; @@ -1513,7 +1517,7 @@ int xfrm_alloc_spi(struct xfrm_state *x, u32 low, u32 high) u32 spi = 0; for (h=0; hid.daddr, htonl(spi), x->id.proto, x->props.family); + x0 = xfrm_state_lookup(net, &x->id.daddr, htonl(spi), x->id.proto, x->props.family); if (x0 == NULL) { x->id.spi = htonl(spi); break; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 49a7e897ba9..e02ef336119 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -440,7 +440,7 @@ static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p, if (xfrm_id_proto_match(p->proto, IPSEC_PROTO_ANY)) { err = -ESRCH; - x = xfrm_state_lookup(&p->daddr, p->spi, p->proto, p->family); + x = xfrm_state_lookup(&init_net, &p->daddr, p->spi, p->proto, p->family); } else { xfrm_address_t *saddr = NULL; @@ -451,8 +451,8 @@ static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p, } err = -ESRCH; - x = xfrm_state_lookup_byaddr(&p->daddr, saddr, p->proto, - p->family); + x = xfrm_state_lookup_byaddr(&init_net, &p->daddr, saddr, + p->proto, p->family); } out: @@ -1468,7 +1468,7 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (r_skb == NULL) return -ENOMEM; - x = xfrm_state_lookup(&id->daddr, id->spi, id->proto, id->family); + x = xfrm_state_lookup(&init_net, &id->daddr, id->spi, id->proto, id->family); if (x == NULL) { kfree_skb(r_skb); return -ESRCH; @@ -1509,7 +1509,7 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh, if (!(nlh->nlmsg_flags&NLM_F_REPLACE)) return err; - x = xfrm_state_lookup(&p->sa_id.daddr, p->sa_id.spi, p->sa_id.proto, p->sa_id.family); + x = xfrm_state_lookup(&init_net, &p->sa_id.daddr, p->sa_id.spi, p->sa_id.proto, p->sa_id.family); if (x == NULL) return -ESRCH; @@ -1628,7 +1628,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_user_expire *ue = nlmsg_data(nlh); struct xfrm_usersa_info *p = &ue->state; - x = xfrm_state_lookup(&p->id.daddr, p->id.spi, p->id.proto, p->family); + x = xfrm_state_lookup(&init_net, &p->id.daddr, p->id.spi, p->id.proto, p->family); err = -ENOENT; if (x == NULL) -- 2.41.0