1 #ifndef _IP_CONNTRACK_FTP_H
2 #define _IP_CONNTRACK_FTP_H
9 #endif /* __KERNEL__ */
13 /* PORT command from client */
15 /* PASV response from server */
17 /* EPRT command from client */
19 /* EPSV response from server */
23 #define NUM_SEQ_TO_REMEMBER 2
24 /* This structure exists only once per master */
25 struct ip_ct_ftp_master
{
26 /* Valid seq positions for cmd matching after newline */
27 u_int32_t seq_aft_nl
[IP_CT_DIR_MAX
][NUM_SEQ_TO_REMEMBER
];
28 /* 0 means seq_match_aft_nl not set */
29 int seq_aft_nl_num
[IP_CT_DIR_MAX
];
32 struct ip_conntrack_expect
;
34 /* For NAT to hook in when we find a packet which describes what other
35 * connection we should expect. */
36 extern unsigned int (*ip_nat_ftp_hook
)(struct sk_buff
**pskb
,
37 enum ip_conntrack_info ctinfo
,
38 enum ip_ct_ftp_type type
,
39 unsigned int matchoff
,
40 unsigned int matchlen
,
41 struct ip_conntrack_expect
*exp
,
43 #endif /* _IP_CONNTRACK_FTP_H */