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[/] [or1k/] [tags/] [LINUX_2_4_26_OR32/] [linux/] [linux-2.4/] [include/] [linux/] [netfilter_ipv4/] [ip_conntrack_ftp.h] - Rev 1765
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#ifndef _IP_CONNTRACK_FTP_H #define _IP_CONNTRACK_FTP_H /* FTP tracking. */ #ifdef __KERNEL__ #include <linux/netfilter_ipv4/lockhelp.h> /* Protects ftp part of conntracks */ DECLARE_LOCK_EXTERN(ip_ftp_lock); #define FTP_PORT 21 #endif /* __KERNEL__ */ enum ip_ct_ftp_type { /* PORT command from client */ IP_CT_FTP_PORT, /* PASV response from server */ IP_CT_FTP_PASV, /* EPRT command from client */ IP_CT_FTP_EPRT, /* EPSV response from server */ IP_CT_FTP_EPSV, }; /* This structure is per expected connection */ struct ip_ct_ftp_expect { /* We record seq number and length of ftp ip/port text here: all in * host order. */ /* sequence number of IP address in packet is in ip_conntrack_expect */ u_int32_t len; /* length of IP address */ enum ip_ct_ftp_type ftptype; /* PORT or PASV ? */ u_int16_t port; /* TCP port that was to be used */ }; /* This structure exists only once per master */ struct ip_ct_ftp_master { /* Next valid seq position for cmd matching after newline */ u_int32_t seq_aft_nl[IP_CT_DIR_MAX]; /* 0 means seq_match_aft_nl not set */ int seq_aft_nl_set[IP_CT_DIR_MAX]; }; #endif /* _IP_CONNTRACK_FTP_H */