summaryrefslogtreecommitdiff
path: root/net/netfilter
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/ipset/ip_set_core.c1
-rw-r--r--net/netfilter/ipvs/ip_vs_conn.c10
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c24
-rw-r--r--net/netfilter/nf_conntrack_core.c7
-rw-r--r--net/netfilter/nf_conntrack_ftp.c2
-rw-r--r--net/netfilter/nf_conntrack_h323_main.c10
-rw-r--r--net/netfilter/nf_conntrack_irc.c3
-rw-r--r--net/netfilter/nf_conntrack_pptp.c3
-rw-r--r--net/netfilter/nf_conntrack_sane.c2
-rw-r--r--net/netfilter/nf_conntrack_sip.c2
-rw-r--r--net/netfilter/nfnetlink_log.c3
-rw-r--r--net/netfilter/nfnetlink_queue.c3
-rw-r--r--net/netfilter/xt_HL.c64
-rw-r--r--net/netfilter/xt_hl.c32
-rw-r--r--net/netfilter/xt_set.c1
-rw-r--r--net/netfilter/xt_socket.c4
16 files changed, 89 insertions, 82 deletions
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index c012985a5a26..d7e86ef9d23a 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -17,7 +17,6 @@
#include <linux/spinlock.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
-#include <linux/version.h>
#include <net/netlink.h>
#include <linux/netfilter.h>
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 77c61b0b6d68..12571fb2881c 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -776,8 +776,16 @@ static void ip_vs_conn_expire(unsigned long data)
if (cp->control)
ip_vs_control_del(cp);
- if (cp->flags & IP_VS_CONN_F_NFCT)
+ if (cp->flags & IP_VS_CONN_F_NFCT) {
ip_vs_conn_drop_conntrack(cp);
+ /* Do not access conntracks during subsys cleanup
+ * because nf_conntrack_find_get can not be used after
+ * conntrack cleanup for the net.
+ */
+ smp_rmb();
+ if (ipvs->enable)
+ ip_vs_conn_drop_conntrack(cp);
+ }
ip_vs_pe_put(cp->pe);
kfree(cp->pe_data);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 2200bae1d4dd..4f77bb16d22a 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -852,7 +852,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
*related = 1;
/* reassemble IP fragments */
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
}
@@ -1156,8 +1156,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
} else
#endif
- if (unlikely(ip_hdr(skb)->frag_off & htons(IP_MF|IP_OFFSET) &&
- !pp->dont_defrag)) {
+ if (unlikely(ip_is_fragment(ip_hdr(skb)) && !pp->dont_defrag)) {
if (ip_vs_gather_frags(skb,
ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
@@ -1310,7 +1309,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
*related = 1;
/* reassemble IP fragments */
- if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (ip_is_fragment(ip_hdr(skb))) {
if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
return NF_STOLEN;
}
@@ -1772,7 +1771,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET,
.hooknum = NF_INET_LOCAL_IN,
- .priority = 99,
+ .priority = NF_IP_PRI_NAT_SRC - 2,
},
/* After packet filtering, forward packet through VS/DR, VS/TUN,
* or VS/NAT(change destination), so that filtering rules can be
@@ -1782,7 +1781,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET,
.hooknum = NF_INET_LOCAL_IN,
- .priority = 101,
+ .priority = NF_IP_PRI_NAT_SRC - 1,
},
/* Before ip_vs_in, change source only for VS/NAT */
{
@@ -1790,7 +1789,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET,
.hooknum = NF_INET_LOCAL_OUT,
- .priority = -99,
+ .priority = NF_IP_PRI_NAT_DST + 1,
},
/* After mangle, schedule and forward local requests */
{
@@ -1798,7 +1797,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET,
.hooknum = NF_INET_LOCAL_OUT,
- .priority = -98,
+ .priority = NF_IP_PRI_NAT_DST + 2,
},
/* After packet filtering (but before ip_vs_out_icmp), catch icmp
* destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1824,7 +1823,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_LOCAL_IN,
- .priority = 99,
+ .priority = NF_IP6_PRI_NAT_SRC - 2,
},
/* After packet filtering, forward packet through VS/DR, VS/TUN,
* or VS/NAT(change destination), so that filtering rules can be
@@ -1834,7 +1833,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_LOCAL_IN,
- .priority = 101,
+ .priority = NF_IP6_PRI_NAT_SRC - 1,
},
/* Before ip_vs_in, change source only for VS/NAT */
{
@@ -1842,7 +1841,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET,
.hooknum = NF_INET_LOCAL_OUT,
- .priority = -99,
+ .priority = NF_IP6_PRI_NAT_DST + 1,
},
/* After mangle, schedule and forward local requests */
{
@@ -1850,7 +1849,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
.owner = THIS_MODULE,
.pf = PF_INET6,
.hooknum = NF_INET_LOCAL_OUT,
- .priority = -98,
+ .priority = NF_IP6_PRI_NAT_DST + 2,
},
/* After packet filtering (but before ip_vs_out_icmp), catch icmp
* destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1945,6 +1944,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
{
EnterFunction(2);
net_ipvs(net)->enable = 0; /* Disable packet reception */
+ smp_wmb();
ip_vs_sync_net_cleanup(net);
LeaveFunction(2);
}
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 2e1c11f78419..f7af8b866017 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -850,7 +850,7 @@ resolve_normal_ct(struct net *net, struct nf_conn *tmpl,
/* It exists; we have (non-exclusive) reference. */
if (NF_CT_DIRECTION(h) == IP_CT_DIR_REPLY) {
- *ctinfo = IP_CT_ESTABLISHED + IP_CT_IS_REPLY;
+ *ctinfo = IP_CT_ESTABLISHED_REPLY;
/* Please set reply bit if this packet OK */
*set_reply = 1;
} else {
@@ -922,6 +922,9 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
ret = -ret;
goto out;
}
+ /* ICMP[v6] protocol trackers may assign one conntrack. */
+ if (skb->nfct)
+ goto out;
}
ct = resolve_normal_ct(net, tmpl, skb, dataoff, pf, protonum,
@@ -1143,7 +1146,7 @@ static void nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb)
/* This ICMP is in reverse direction to the packet which caused it */
ct = nf_ct_get(skb, &ctinfo);
if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)
- ctinfo = IP_CT_RELATED + IP_CT_IS_REPLY;
+ ctinfo = IP_CT_RELATED_REPLY;
else
ctinfo = IP_CT_RELATED;
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index e17cb7c7dd8f..6f5801eac999 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -368,7 +368,7 @@ static int help(struct sk_buff *skb,
/* Until there's been traffic both ways, don't look in packets. */
if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+ ctinfo != IP_CT_ESTABLISHED_REPLY) {
pr_debug("ftp: Conntrackinfo = %u\n", ctinfo);
return NF_ACCEPT;
}
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 18b2ce5c8ced..f03c2d4539f6 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -571,10 +571,9 @@ static int h245_help(struct sk_buff *skb, unsigned int protoff,
int ret;
/* Until there's been traffic both ways, don't look in packets. */
- if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
- }
+
pr_debug("nf_ct_h245: skblen = %u\n", skb->len);
spin_lock_bh(&nf_h323_lock);
@@ -1125,10 +1124,9 @@ static int q931_help(struct sk_buff *skb, unsigned int protoff,
int ret;
/* Until there's been traffic both ways, don't look in packets. */
- if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
- }
+
pr_debug("nf_ct_q931: skblen = %u\n", skb->len);
spin_lock_bh(&nf_h323_lock);
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index b394aa318776..4f9390b98697 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -125,8 +125,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
return NF_ACCEPT;
/* Until there's been traffic both ways, don't look in packets. */
- if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
/* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index 088944824e13..2fd4565144de 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -519,8 +519,7 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff,
u_int16_t msg;
/* don't do any tracking before tcp handshake complete */
- if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+ if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
nexthdr_off = protoff;
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index d9e27734b2a2..8501823b3f9b 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -78,7 +78,7 @@ static int help(struct sk_buff *skb,
ct_sane_info = &nfct_help(ct)->help.ct_sane_info;
/* Until there's been traffic both ways, don't look in packets. */
if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED+IP_CT_IS_REPLY)
+ ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
/* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index cb5a28581782..93faf6a3a637 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1423,7 +1423,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
typeof(nf_nat_sip_seq_adjust_hook) nf_nat_sip_seq_adjust;
if (ctinfo != IP_CT_ESTABLISHED &&
- ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+ ctinfo != IP_CT_ESTABLISHED_REPLY)
return NF_ACCEPT;
/* No Data ? */
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index e0ee010935e7..2e7ccbb43ddb 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -456,7 +456,8 @@ __build_packet_message(struct nfulnl_instance *inst,
if (skb->mark)
NLA_PUT_BE32(inst->skb, NFULA_MARK, htonl(skb->mark));
- if (indev && skb->dev) {
+ if (indev && skb->dev &&
+ skb->mac_header != skb->network_header) {
struct nfulnl_msg_packet_hw phw;
int len = dev_parse_header(skb, phw.hw_addr);
if (len > 0) {
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index fbfcd834140b..49132bddd73e 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -341,7 +341,8 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
if (entskb->mark)
NLA_PUT_BE32(skb, NFQA_MARK, htonl(entskb->mark));
- if (indev && entskb->dev) {
+ if (indev && entskb->dev &&
+ entskb->mac_header != entskb->network_header) {
struct nfqnl_msg_packet_hw phw;
int len = dev_parse_header(entskb, phw.hw_addr);
if (len) {
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 95b084800fcc..1535e87ed9bd 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -38,22 +38,22 @@ ttl_tg(struct sk_buff *skb, const struct xt_action_param *par)
iph = ip_hdr(skb);
switch (info->mode) {
- case IPT_TTL_SET:
- new_ttl = info->ttl;
- break;
- case IPT_TTL_INC:
- new_ttl = iph->ttl + info->ttl;
- if (new_ttl > 255)
- new_ttl = 255;
- break;
- case IPT_TTL_DEC:
- new_ttl = iph->ttl - info->ttl;
- if (new_ttl < 0)
- new_ttl = 0;
- break;
- default:
- new_ttl = iph->ttl;
- break;
+ case IPT_TTL_SET:
+ new_ttl = info->ttl;
+ break;
+ case IPT_TTL_INC:
+ new_ttl = iph->ttl + info->ttl;
+ if (new_ttl > 255)
+ new_ttl = 255;
+ break;
+ case IPT_TTL_DEC:
+ new_ttl = iph->ttl - info->ttl;
+ if (new_ttl < 0)
+ new_ttl = 0;
+ break;
+ default:
+ new_ttl = iph->ttl;
+ break;
}
if (new_ttl != iph->ttl) {
@@ -78,22 +78,22 @@ hl_tg6(struct sk_buff *skb, const struct xt_action_param *par)
ip6h = ipv6_hdr(skb);
switch (info->mode) {
- case IP6T_HL_SET:
- new_hl = info->hop_limit;
- break;
- case IP6T_HL_INC:
- new_hl = ip6h->hop_limit + info->hop_limit;
- if (new_hl > 255)
- new_hl = 255;
- break;
- case IP6T_HL_DEC:
- new_hl = ip6h->hop_limit - info->hop_limit;
- if (new_hl < 0)
- new_hl = 0;
- break;
- default:
- new_hl = ip6h->hop_limit;
- break;
+ case IP6T_HL_SET:
+ new_hl = info->hop_limit;
+ break;
+ case IP6T_HL_INC:
+ new_hl = ip6h->hop_limit + info->hop_limit;
+ if (new_hl > 255)
+ new_hl = 255;
+ break;
+ case IP6T_HL_DEC:
+ new_hl = ip6h->hop_limit - info->hop_limit;
+ if (new_hl < 0)
+ new_hl = 0;
+ break;
+ default:
+ new_hl = ip6h->hop_limit;
+ break;
}
ip6h->hop_limit = new_hl;
diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c
index 7d12221ead89..003951149c9e 100644
--- a/net/netfilter/xt_hl.c
+++ b/net/netfilter/xt_hl.c
@@ -31,14 +31,14 @@ static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)
const u8 ttl = ip_hdr(skb)->ttl;
switch (info->mode) {
- case IPT_TTL_EQ:
- return ttl == info->ttl;
- case IPT_TTL_NE:
- return ttl != info->ttl;
- case IPT_TTL_LT:
- return ttl < info->ttl;
- case IPT_TTL_GT:
- return ttl > info->ttl;
+ case IPT_TTL_EQ:
+ return ttl == info->ttl;
+ case IPT_TTL_NE:
+ return ttl != info->ttl;
+ case IPT_TTL_LT:
+ return ttl < info->ttl;
+ case IPT_TTL_GT:
+ return ttl > info->ttl;
}
return false;
@@ -50,14 +50,14 @@ static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par)
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
switch (info->mode) {
- case IP6T_HL_EQ:
- return ip6h->hop_limit == info->hop_limit;
- case IP6T_HL_NE:
- return ip6h->hop_limit != info->hop_limit;
- case IP6T_HL_LT:
- return ip6h->hop_limit < info->hop_limit;
- case IP6T_HL_GT:
- return ip6h->hop_limit > info->hop_limit;
+ case IP6T_HL_EQ:
+ return ip6h->hop_limit == info->hop_limit;
+ case IP6T_HL_NE:
+ return ip6h->hop_limit != info->hop_limit;
+ case IP6T_HL_LT:
+ return ip6h->hop_limit < info->hop_limit;
+ case IP6T_HL_GT:
+ return ip6h->hop_limit > info->hop_limit;
}
return false;
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index 19461c462dbd..0ec8138aa470 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/skbuff.h>
-#include <linux/version.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_set.h>
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 9cc46356b577..fe39f7e913df 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -143,9 +143,9 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
ct = nf_ct_get(skb, &ctinfo);
if (ct && !nf_ct_is_untracked(ct) &&
((iph->protocol != IPPROTO_ICMP &&
- ctinfo == IP_CT_IS_REPLY + IP_CT_ESTABLISHED) ||
+ ctinfo == IP_CT_ESTABLISHED_REPLY) ||
(iph->protocol == IPPROTO_ICMP &&
- ctinfo == IP_CT_IS_REPLY + IP_CT_RELATED)) &&
+ ctinfo == IP_CT_RELATED_REPLY)) &&
(ct->status & IPS_SRC_NAT_DONE)) {
daddr = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-12 05:40:46 +0000