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netfilter: nf_conntrack: pass template to l4proto ->error() handler

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The error handlers might need the template to get the conntrack zone
introduced in the next patches to perform a conntrack lookup.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy 2010-02-15 17:45:08 +01:00
parent d5d1baa15f
commit 8fea97ec17
8 changed files with 15 additions and 11 deletions
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4
include/net/netfilter/nf_conntrack_l4proto.h
View file

@ -49,8 +49,8 @@ struct nf_conntrack_l4proto {
/* Called when a conntrack entry is destroyed */ /* Called when a conntrack entry is destroyed */
void (*destroy)(struct nf_conn *ct); void (*destroy)(struct nf_conn *ct);
int (*error)(struct net *net, struct sk_buff *skb, unsigned int dataoff, int (*error)(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
enum ip_conntrack_info *ctinfo, unsigned int dataoff, enum ip_conntrack_info *ctinfo,
u_int8_t pf, unsigned int hooknum); u_int8_t pf, unsigned int hooknum);
/* Print out the per-protocol part of the tuple. Return like seq_* */ /* Print out the per-protocol part of the tuple. Return like seq_* */

3
net/ipv4/netfilter/nf_conntrack_proto_icmp.c
View file

@ -163,7 +163,8 @@ icmp_error_message(struct net *net, struct sk_buff *skb,
/* Small and modified version of icmp_rcv */ /* Small and modified version of icmp_rcv */
static int static int
icmp_error(struct net *net, struct sk_buff *skb, unsigned int dataoff, icmp_error(struct net *net, struct nf_conn *tmpl,
struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, u_int8_t pf, unsigned int hooknum) enum ip_conntrack_info *ctinfo, u_int8_t pf, unsigned int hooknum)
{ {
const struct icmphdr *icmph; const struct icmphdr *icmph;

3
net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
View file

@ -179,7 +179,8 @@ icmpv6_error_message(struct net *net,
} }
static int static int
icmpv6_error(struct net *net, struct sk_buff *skb, unsigned int dataoff, icmpv6_error(struct net *net, struct nf_conn *tmpl,
struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, u_int8_t pf, unsigned int hooknum) enum ip_conntrack_info *ctinfo, u_int8_t pf, unsigned int hooknum)
{ {
const struct icmp6hdr *icmp6h; const struct icmp6hdr *icmp6h;

3
net/netfilter/nf_conntrack_core.c
View file

@ -799,7 +799,8 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
* inverse of the return code tells to the netfilter * inverse of the return code tells to the netfilter
* core what to do with the packet. */ * core what to do with the packet. */
if (l4proto->error != NULL) { if (l4proto->error != NULL) {
ret = l4proto->error(net, skb, dataoff, &ctinfo, pf, hooknum); ret = l4proto->error(net, tmpl, skb, dataoff, &ctinfo,
pf, hooknum);
if (ret <= 0) { if (ret <= 0) {
NF_CT_STAT_INC_ATOMIC(net, error); NF_CT_STAT_INC_ATOMIC(net, error);
NF_CT_STAT_INC_ATOMIC(net, invalid); NF_CT_STAT_INC_ATOMIC(net, invalid);

5
net/netfilter/nf_conntrack_proto_dccp.c
View file

@ -561,8 +561,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
return NF_ACCEPT; return NF_ACCEPT;
} }
static int dccp_error(struct net *net, struct sk_buff *skb, static int dccp_error(struct net *net, struct nf_conn *tmpl,
unsigned int dataoff, enum ip_conntrack_info *ctinfo, struct sk_buff *skb, unsigned int dataoff,
enum ip_conntrack_info *ctinfo,
u_int8_t pf, unsigned int hooknum) u_int8_t pf, unsigned int hooknum)
{ {
struct dccp_hdr _dh, *dh; struct dccp_hdr _dh, *dh;

2
net/netfilter/nf_conntrack_proto_tcp.c
View file

@ -760,7 +760,7 @@ static const u8 tcp_valid_flags[(TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG) + 1] =
}; };
/* Protect conntrack agaist broken packets. Code taken from ipt_unclean.c. */ /* Protect conntrack agaist broken packets. Code taken from ipt_unclean.c. */
static int tcp_error(struct net *net, static int tcp_error(struct net *net, struct nf_conn *tmpl,
struct sk_buff *skb, struct sk_buff *skb,
unsigned int dataoff, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, enum ip_conntrack_info *ctinfo,

4
net/netfilter/nf_conntrack_proto_udp.c
View file

@ -91,8 +91,8 @@ static bool udp_new(struct nf_conn *ct, const struct sk_buff *skb,
return true; return true;
} }
static int udp_error(struct net *net, struct sk_buff *skb, unsigned int dataoff, static int udp_error(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
enum ip_conntrack_info *ctinfo, unsigned int dataoff, enum ip_conntrack_info *ctinfo,
u_int8_t pf, u_int8_t pf,
unsigned int hooknum) unsigned int hooknum)
{ {

2
net/netfilter/nf_conntrack_proto_udplite.c
View file

@ -89,7 +89,7 @@ static bool udplite_new(struct nf_conn *ct, const struct sk_buff *skb,
return true; return true;
} }
static int udplite_error(struct net *net, static int udplite_error(struct net *net, struct nf_conn *tmpl,
struct sk_buff *skb, struct sk_buff *skb,
unsigned int dataoff, unsigned int dataoff,
enum ip_conntrack_info *ctinfo, enum ip_conntrack_info *ctinfo,