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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/linux/netfilter/nf_conntrack_ftp.h
1 #ifndef _NF_CONNTRACK_FTP_H
2 #define _NF_CONNTRACK_FTP_H
4 #include <uapi/linux/netfilter/nf_conntrack_ftp.h>
9 #define NF_CT_FTP_SEQ_PICKUP (1 << 0)
11 #define NUM_SEQ_TO_REMEMBER 2
12 /* This structure exists only once per master */
13 struct nf_ct_ftp_master
{
14 /* Valid seq positions for cmd matching after newline */
15 u_int32_t seq_aft_nl
[IP_CT_DIR_MAX
][NUM_SEQ_TO_REMEMBER
];
16 /* 0 means seq_match_aft_nl not set */
17 u_int16_t seq_aft_nl_num
[IP_CT_DIR_MAX
];
18 /* pickup sequence tracking, useful for conntrackd */
19 u_int16_t flags
[IP_CT_DIR_MAX
];
22 struct nf_conntrack_expect
;
24 /* For NAT to hook in when we find a packet which describes what other
25 * connection we should expect. */
26 extern unsigned int (*nf_nat_ftp_hook
)(struct sk_buff
*skb
,
27 enum ip_conntrack_info ctinfo
,
28 enum nf_ct_ftp_type type
,
30 unsigned int matchoff
,
31 unsigned int matchlen
,
32 struct nf_conntrack_expect
*exp
);
33 #endif /* _NF_CONNTRACK_FTP_H */