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-rw-r--r--net/8021q/vlan_dev.c2
-rw-r--r--net/ax25/TODO4
-rw-r--r--net/core/dev.c4
-rw-r--r--net/core/neighbour.c23
-rw-r--r--net/ipv4/icmp.c6
-rw-r--r--net/ipv4/xfrm4_mode_tunnel.c2
-rw-r--r--net/ipv4/xfrm4_output.c2
-rw-r--r--net/ipv6/ndisc.c22
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c2
-rw-r--r--net/ipv6/xfrm6_output.c2
-rw-r--r--net/irda/irnet/irnet.h2
-rw-r--r--net/key/af_key.c2
-rw-r--r--net/xfrm/xfrm_input.c22
-rw-r--r--net/xfrm/xfrm_output.c18
-rw-r--r--net/xfrm/xfrm_state.c54
-rw-r--r--net/xfrm/xfrm_user.c7
16 files changed, 138 insertions, 36 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 8fbcefe10c9f..480ea90e7dcd 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -660,7 +660,7 @@ static int vlan_dev_init(struct net_device *dev)
int subclass = 0;
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
- dev->flags = real_dev->flags & ~IFF_UP;
+ dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
dev->iflink = real_dev->ifindex;
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
diff --git a/net/ax25/TODO b/net/ax25/TODO
index 4089c49e45cc..69fb4e368d92 100644
--- a/net/ax25/TODO
+++ b/net/ax25/TODO
@@ -9,10 +9,6 @@ being used.
Routes to a device being taken down might be deleted by ax25_rt_device_down
but added by somebody else before the device has been deleted fully.
-Massive amounts of lock_kernel / unlock_kernel are just a temporary solution to
-get around the removal of SOCKOPS_WRAP. A serious locking strategy has to be
-implemented.
-
The ax25_rt_find_route synopsys is pervert but I somehow had to deal with
the race caused by the static variable in it's previous implementation.
diff --git a/net/core/dev.c b/net/core/dev.c
index fcdf03cf3b3f..460e7f99ce3e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3329,7 +3329,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
return -EOPNOTSUPP;
case SIOCADDMULTI:
- if (!dev->set_multicast_list ||
+ if ((!dev->set_multicast_list && !dev->set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
@@ -3338,7 +3338,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
dev->addr_len, 1);
case SIOCDELMULTI:
- if (!dev->set_multicast_list ||
+ if ((!dev->set_multicast_list && !dev->set_rx_mode) ||
ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
return -EINVAL;
if (!netif_device_present(dev))
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index d9a02b2cc289..19b8e003f150 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -466,6 +466,28 @@ out_neigh_release:
goto out;
}
+struct pneigh_entry *__pneigh_lookup(struct neigh_table *tbl,
+ struct net *net, const void *pkey, struct net_device *dev)
+{
+ struct pneigh_entry *n;
+ int key_len = tbl->key_len;
+ u32 hash_val = *(u32 *)(pkey + key_len - 4);
+
+ hash_val ^= (hash_val >> 16);
+ hash_val ^= hash_val >> 8;
+ hash_val ^= hash_val >> 4;
+ hash_val &= PNEIGH_HASHMASK;
+
+ for (n = tbl->phash_buckets[hash_val]; n; n = n->next) {
+ if (!memcmp(n->key, pkey, key_len) &&
+ (n->net == net) &&
+ (n->dev == dev || !n->dev))
+ break;
+ }
+
+ return n;
+}
+
struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl,
struct net *net, const void *pkey,
struct net_device *dev, int creat)
@@ -2803,6 +2825,7 @@ EXPORT_SYMBOL(neigh_table_init_no_netlink);
EXPORT_SYMBOL(neigh_update);
EXPORT_SYMBOL(pneigh_enqueue);
EXPORT_SYMBOL(pneigh_lookup);
+EXPORT_SYMBOL_GPL(__pneigh_lookup);
#ifdef CONFIG_ARPD
EXPORT_SYMBOL(neigh_app_ns);
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index a13c074dac09..a944e8053e28 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -591,7 +591,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
}
if (xfrm_decode_session_reverse(skb_in, &fl, AF_INET))
- goto out_unlock;
+ goto ende;
if (inet_addr_type(net, fl.fl4_src) == RTN_LOCAL)
err = __ip_route_output_key(net, &rt2, &fl);
@@ -601,7 +601,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
fl2.fl4_dst = fl.fl4_src;
if (ip_route_output_key(net, &rt2, &fl2))
- goto out_unlock;
+ goto ende;
/* Ugh! */
odst = skb_in->dst;
@@ -614,7 +614,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
}
if (err)
- goto out_unlock;
+ goto ende;
err = xfrm_lookup((struct dst_entry **)&rt2, &fl, NULL,
XFRM_LOOKUP_ICMP);
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 8dee617ee900..584e6d74e3a9 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -41,7 +41,7 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
top_iph->ihl = 5;
top_iph->version = 4;
- top_iph->protocol = x->inner_mode->afinfo->proto;
+ top_iph->protocol = xfrm_af2proto(skb->dst->ops->family);
/* DS disclosed */
top_iph->tos = INET_ECN_encapsulate(XFRM_MODE_SKB_CB(skb)->tos,
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index d5a58a818021..8c3180adddbf 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -56,7 +56,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
- err = x->inner_mode->afinfo->extract_output(x, skb);
+ err = xfrm_inner_extract_output(x, skb);
if (err)
return err;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 51557c27a0cd..452a2ac4eec8 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -676,6 +676,20 @@ static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb)
}
}
+static struct pneigh_entry *pndisc_check_router(struct net_device *dev,
+ struct in6_addr *addr, int *is_router)
+{
+ struct pneigh_entry *n;
+
+ read_lock_bh(&nd_tbl.lock);
+ n = __pneigh_lookup(&nd_tbl, &init_net, addr, dev);
+ if (n != NULL)
+ *is_router = (n->flags & NTF_ROUTER);
+ read_unlock_bh(&nd_tbl.lock);
+
+ return n;
+}
+
static void ndisc_recv_ns(struct sk_buff *skb)
{
struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
@@ -692,7 +706,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
struct pneigh_entry *pneigh = NULL;
int dad = ipv6_addr_any(saddr);
int inc;
- int is_router;
+ int is_router = 0;
if (ipv6_addr_is_multicast(&msg->target)) {
ND_PRINTK2(KERN_WARNING
@@ -790,8 +804,8 @@ static void ndisc_recv_ns(struct sk_buff *skb)
if (ipv6_chk_acast_addr(dev, &msg->target) ||
(idev->cnf.forwarding &&
(ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
- (pneigh = pneigh_lookup(&nd_tbl, &init_net,
- &msg->target, dev, 0)) != NULL)) {
+ (pneigh = pndisc_check_router(dev, &msg->target,
+ &is_router)) != NULL)) {
if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
skb->pkt_type != PACKET_HOST &&
inc != 0 &&
@@ -812,7 +826,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
goto out;
}
- is_router = !!(pneigh ? pneigh->flags & NTF_ROUTER : idev->cnf.forwarding);
+ is_router = !!(pneigh ? is_router : idev->cnf.forwarding);
if (dad) {
struct in6_addr maddr;
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 0c742faaa30b..e20529b4c825 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -45,7 +45,7 @@ static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
memcpy(top_iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
sizeof(top_iph->flow_lbl));
- top_iph->nexthdr = x->inner_mode->afinfo->proto;
+ top_iph->nexthdr = xfrm_af2proto(skb->dst->ops->family);
dsfield = XFRM_MODE_SKB_CB(skb)->tos;
dsfield = INET_ECN_encapsulate(dsfield, dsfield);
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 79ccfb080733..0af823cf7f1f 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -62,7 +62,7 @@ int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
{
int err;
- err = x->inner_mode->afinfo->extract_output(x, skb);
+ err = xfrm_inner_extract_output(x, skb);
if (err)
return err;
diff --git a/net/irda/irnet/irnet.h b/net/irda/irnet/irnet.h
index bc2e15ce7004..7873c392ab4c 100644
--- a/net/irda/irnet/irnet.h
+++ b/net/irda/irnet/irnet.h
@@ -405,7 +405,7 @@ typedef struct irnet_socket
/* "pppd" interact directly with us on a /dev/ file */
struct file * file; /* File descriptor of this instance */
/* TTY stuff - to keep "pppd" happy */
- struct termios termios; /* Various tty flags */
+ struct ktermios termios; /* Various tty flags */
/* Stuff for the control channel */
int event_index; /* Last read in the event log */
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 8b5f486ac80f..e9ef9af4a53b 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1219,7 +1219,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct sadb_msg *hdr,
x->sel.prefixlen_s = addr->sadb_address_prefixlen;
}
- if (!x->sel.family)
+ if (x->props.mode == XFRM_MODE_TRANSPORT)
x->sel.family = x->props.family;
if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 62188c6a06dd..75279402ccf4 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -84,14 +84,21 @@ int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq)
int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb)
{
+ struct xfrm_mode *inner_mode = x->inner_mode;
int err;
err = x->outer_mode->afinfo->extract_input(x, skb);
if (err)
return err;
- skb->protocol = x->inner_mode->afinfo->eth_proto;
- return x->inner_mode->input2(x, skb);
+ if (x->sel.family == AF_UNSPEC) {
+ inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
+ if (inner_mode == NULL)
+ return -EAFNOSUPPORT;
+ }
+
+ skb->protocol = inner_mode->afinfo->eth_proto;
+ return inner_mode->input2(x, skb);
}
EXPORT_SYMBOL(xfrm_prepare_input);
@@ -101,6 +108,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
__be32 seq;
struct xfrm_state *x;
xfrm_address_t *daddr;
+ struct xfrm_mode *inner_mode;
unsigned int family;
int decaps = 0;
int async = 0;
@@ -207,7 +215,15 @@ resume:
XFRM_MODE_SKB_CB(skb)->protocol = nexthdr;
- if (x->inner_mode->input(x, skb)) {
+ inner_mode = x->inner_mode;
+
+ if (x->sel.family == AF_UNSPEC) {
+ inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
+ if (inner_mode == NULL)
+ goto drop;
+ }
+
+ if (inner_mode->input(x, skb)) {
XFRM_INC_STATS(LINUX_MIB_XFRMINSTATEMODEERROR);
goto drop;
}
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 569d377932c4..2519129c6d21 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -124,7 +124,7 @@ int xfrm_output_resume(struct sk_buff *skb, int err)
if (!x)
return dst_output(skb);
- err = nf_hook(x->inner_mode->afinfo->family,
+ err = nf_hook(skb->dst->ops->family,
NF_INET_POST_ROUTING, skb,
NULL, skb->dst->dev, xfrm_output2);
if (unlikely(err != 1))
@@ -193,4 +193,20 @@ int xfrm_output(struct sk_buff *skb)
return xfrm_output2(skb);
}
+
+int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
+{
+ struct xfrm_mode *inner_mode;
+ if (x->sel.family == AF_UNSPEC)
+ inner_mode = xfrm_ip2inner_mode(x,
+ xfrm_af2proto(skb->dst->ops->family));
+ else
+ inner_mode = x->inner_mode;
+
+ if (inner_mode == NULL)
+ return -EAFNOSUPPORT;
+ return inner_mode->afinfo->extract_output(x, skb);
+}
+
EXPORT_SYMBOL_GPL(xfrm_output);
+EXPORT_SYMBOL_GPL(xfrm_inner_extract_output);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 7ba65e82941c..58f1f9347b54 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -388,6 +388,8 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x)
kfree(x->coaddr);
if (x->inner_mode)
xfrm_put_mode(x->inner_mode);
+ if (x->inner_mode_iaf)
+ xfrm_put_mode(x->inner_mode_iaf);
if (x->outer_mode)
xfrm_put_mode(x->outer_mode);
if (x->type) {
@@ -523,6 +525,8 @@ struct xfrm_state *xfrm_state_alloc(void)
x->lft.hard_packet_limit = XFRM_INF;
x->replay_maxage = 0;
x->replay_maxdiff = 0;
+ x->inner_mode = NULL;
+ x->inner_mode_iaf = NULL;
spin_lock_init(&x->lock);
}
return x;
@@ -796,7 +800,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
selector.
*/
if (x->km.state == XFRM_STATE_VALID) {
- if (!xfrm_selector_match(&x->sel, fl, x->sel.family) ||
+ if ((x->sel.family && !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
!security_xfrm_state_pol_flow_match(x, pol, fl))
continue;
if (!best ||
@@ -1944,6 +1948,7 @@ int xfrm_state_mtu(struct xfrm_state *x, int mtu)
int xfrm_init_state(struct xfrm_state *x)
{
struct xfrm_state_afinfo *afinfo;
+ struct xfrm_mode *inner_mode;
int family = x->props.family;
int err;
@@ -1962,13 +1967,48 @@ int xfrm_init_state(struct xfrm_state *x)
goto error;
err = -EPROTONOSUPPORT;
- x->inner_mode = xfrm_get_mode(x->props.mode, x->sel.family);
- if (x->inner_mode == NULL)
- goto error;
- if (!(x->inner_mode->flags & XFRM_MODE_FLAG_TUNNEL) &&
- family != x->sel.family)
- goto error;
+ if (x->sel.family != AF_UNSPEC) {
+ inner_mode = xfrm_get_mode(x->props.mode, x->sel.family);
+ if (inner_mode == NULL)
+ goto error;
+
+ if (!(inner_mode->flags & XFRM_MODE_FLAG_TUNNEL) &&
+ family != x->sel.family) {
+ xfrm_put_mode(inner_mode);
+ goto error;
+ }
+
+ x->inner_mode = inner_mode;
+ } else {
+ struct xfrm_mode *inner_mode_iaf;
+
+ inner_mode = xfrm_get_mode(x->props.mode, AF_INET);
+ if (inner_mode == NULL)
+ goto error;
+
+ if (!(inner_mode->flags & XFRM_MODE_FLAG_TUNNEL)) {
+ xfrm_put_mode(inner_mode);
+ goto error;
+ }
+
+ inner_mode_iaf = xfrm_get_mode(x->props.mode, AF_INET6);
+ if (inner_mode_iaf == NULL)
+ goto error;
+
+ if (!(inner_mode_iaf->flags & XFRM_MODE_FLAG_TUNNEL)) {
+ xfrm_put_mode(inner_mode_iaf);
+ goto error;
+ }
+
+ if (x->props.family == AF_INET) {
+ x->inner_mode = inner_mode;
+ x->inner_mode_iaf = inner_mode_iaf;
+ } else {
+ x->inner_mode = inner_mode_iaf;
+ x->inner_mode_iaf = inner_mode;
+ }
+ }
x->type = xfrm_get_type(x->id.proto, family);
if (x->type == NULL)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index f971ca5645f8..5d96f2728dc6 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -288,12 +288,9 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
memcpy(&x->props.saddr, &p->saddr, sizeof(x->props.saddr));
x->props.flags = p->flags;
- /*
- * Set inner address family if the KM left it as zero.
- * See comment in validate_tmpl.
- */
- if (!x->sel.family)
+ if (x->props.mode == XFRM_MODE_TRANSPORT)
x->sel.family = p->family;
+
}
/*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.