[Devel] [PATCH RHEL7 COMMIT] ve/netfilter: rectify ebtlog inside CT
Konstantin Khorenko
khorenko at virtuozzo.com
Fri Jan 20 07:49:47 PST 2017
The commit is pushed to "branch-rh7-3.10.0-514.6.1.vz7.28.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-514.6.1.vz7.28.2
------>
commit bed8d51c4789f6cfdfba48b449f73f234f413884
Author: Dmitry Safonov <dsafonov at virtuozzo.com>
Date: Fri Jan 20 19:49:47 2017 +0400
ve/netfilter: rectify ebtlog inside CT
Print ebtables LOG into VE's log buffer.
https://jira.sw.ru/browse/PSBM-54183
Signed-off-by: Dmitry Safonov <dsafonov at virtuozzo.com>
Reviewed-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
net/bridge/netfilter/ebt_log.c | 35 ++++++++++++++++-------------------
1 file changed, 16 insertions(+), 19 deletions(-)
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index e94284e..b815532 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -51,7 +51,7 @@ struct arppayload
};
static void
-print_ports(const struct sk_buff *skb, uint8_t protocol, int offset)
+print_ports(const struct sk_buff *skb, uint8_t protocol, int offset, struct ve_struct *ve)
{
if (protocol == IPPROTO_TCP ||
protocol == IPPROTO_UDP ||
@@ -64,10 +64,10 @@ print_ports(const struct sk_buff *skb, uint8_t protocol, int offset)
pptr = skb_header_pointer(skb, offset,
sizeof(_ports), &_ports);
if (pptr == NULL) {
- printk(" INCOMPLETE TCP/UDP header");
+ ve_log_printk(ve, " INCOMPLETE TCP/UDP header");
return;
}
- printk(" SPT=%u DPT=%u", ntohs(pptr->src), ntohs(pptr->dst));
+ ve_log_printk(ve, " SPT=%u DPT=%u", ntohs(pptr->src), ntohs(pptr->dst));
}
}
@@ -78,13 +78,10 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
const char *prefix)
{
unsigned int bitmask;
-
- /* FIXME: Disabled from containers until syslog ns is supported */
- if (!net_eq(net, &init_net))
- return;
+ struct ve_struct *ve = net->owner_ve;
spin_lock_bh(&ebt_log_lock);
- printk(KERN_SOH "%c%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
+ ve_log_printk(ve, KERN_SOH "%c%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
'0' + loginfo->u.log.level, prefix,
in ? in->name : "", out ? out->name : "",
eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
@@ -102,12 +99,12 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
- printk(" INCOMPLETE IP header");
+ ve_log_printk(ve, " INCOMPLETE IP header");
goto out;
}
- printk(" IP SRC=%pI4 IP DST=%pI4, IP tos=0x%02X, IP proto=%d",
+ ve_log_printk(ve, " IP SRC=%pI4 IP DST=%pI4, IP tos=0x%02X, IP proto=%d",
&ih->saddr, &ih->daddr, ih->tos, ih->protocol);
- print_ports(skb, ih->protocol, ih->ihl*4);
+ print_ports(skb, ih->protocol, ih->ihl*4, ve);
goto out;
}
@@ -122,16 +119,16 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
if (ih == NULL) {
- printk(" INCOMPLETE IPv6 header");
+ ve_log_printk(ve, " INCOMPLETE IPv6 header");
goto out;
}
- printk(" IPv6 SRC=%pI6 IPv6 DST=%pI6, IPv6 priority=0x%01X, Next Header=%d",
+ ve_log_printk(ve, " IPv6 SRC=%pI6 IPv6 DST=%pI6, IPv6 priority=0x%01X, Next Header=%d",
&ih->saddr, &ih->daddr, ih->priority, ih->nexthdr);
nexthdr = ih->nexthdr;
offset_ph = ipv6_skip_exthdr(skb, sizeof(_iph), &nexthdr, &frag_off);
if (offset_ph == -1)
goto out;
- print_ports(skb, nexthdr, offset_ph);
+ print_ports(skb, nexthdr, offset_ph, ve);
goto out;
}
#endif
@@ -144,10 +141,10 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ah = skb_header_pointer(skb, 0, sizeof(_arph), &_arph);
if (ah == NULL) {
- printk(" INCOMPLETE ARP header");
+ ve_log_printk(ve, " INCOMPLETE ARP header");
goto out;
}
- printk(" ARP HTYPE=%d, PTYPE=0x%04x, OPCODE=%d",
+ ve_log_printk(ve, " ARP HTYPE=%d, PTYPE=0x%04x, OPCODE=%d",
ntohs(ah->ar_hrd), ntohs(ah->ar_pro),
ntohs(ah->ar_op));
@@ -162,15 +159,15 @@ ebt_log_packet(struct net *net, u_int8_t pf, unsigned int hooknum,
ap = skb_header_pointer(skb, sizeof(_arph),
sizeof(_arpp), &_arpp);
if (ap == NULL) {
- printk(" INCOMPLETE ARP payload");
+ ve_log_printk(ve, " INCOMPLETE ARP payload");
goto out;
}
- printk(" ARP MAC SRC=%pM ARP IP SRC=%pI4 ARP MAC DST=%pM ARP IP DST=%pI4",
+ ve_log_printk(ve, " ARP MAC SRC=%pM ARP IP SRC=%pI4 ARP MAC DST=%pM ARP IP DST=%pI4",
ap->mac_src, ap->ip_src, ap->mac_dst, ap->ip_dst);
}
}
out:
- printk("\n");
+ ve_log_printk(ve, "\n");
spin_unlock_bh(&ebt_log_lock);
}
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