diff options
Diffstat (limited to 'include/linux/netfilter/nf_conntrack_ftp.h')
| -rw-r--r-- | include/linux/netfilter/nf_conntrack_ftp.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h new file mode 100644 index 000000000..5f818b01e --- /dev/null +++ b/include/linux/netfilter/nf_conntrack_ftp.h @@ -0,0 +1,33 @@ +#ifndef _NF_CONNTRACK_FTP_H +#define _NF_CONNTRACK_FTP_H + +#include <uapi/linux/netfilter/nf_conntrack_ftp.h> + + +#define FTP_PORT 21 + +#define NF_CT_FTP_SEQ_PICKUP (1 << 0) + +#define NUM_SEQ_TO_REMEMBER 2 +/* This structure exists only once per master */ +struct nf_ct_ftp_master { + /* Valid seq positions for cmd matching after newline */ + u_int32_t seq_aft_nl[IP_CT_DIR_MAX][NUM_SEQ_TO_REMEMBER]; + /* 0 means seq_match_aft_nl not set */ + u_int16_t seq_aft_nl_num[IP_CT_DIR_MAX]; + /* pickup sequence tracking, useful for conntrackd */ + u_int16_t flags[IP_CT_DIR_MAX]; +}; + +struct nf_conntrack_expect; + +/* For NAT to hook in when we find a packet which describes what other + * connection we should expect. */ +extern unsigned int (*nf_nat_ftp_hook)(struct sk_buff *skb, + enum ip_conntrack_info ctinfo, + enum nf_ct_ftp_type type, + unsigned int protoff, + unsigned int matchoff, + unsigned int matchlen, + struct nf_conntrack_expect *exp); +#endif /* _NF_CONNTRACK_FTP_H */ |