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Diffstat (limited to 'contrib/ipfilter/ip_state.h')
| -rw-r--r-- | contrib/ipfilter/ip_state.h | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/contrib/ipfilter/ip_state.h b/contrib/ipfilter/ip_state.h deleted file mode 100644 index 2f5f7f1..0000000 --- a/contrib/ipfilter/ip_state.h +++ /dev/null @@ -1,261 +0,0 @@ -/* $NetBSD$ */ - -/* - * Copyright (C) 1995-2001 by Darren Reed. - * - * See the IPFILTER.LICENCE file for details on licencing. - * - * @(#)ip_state.h 1.3 1/12/96 (C) 1995 Darren Reed - * Id: ip_state.h,v 2.68.2.3 2005/03/03 14:24:11 darrenr Exp - */ -#ifndef __IP_STATE_H__ -#define __IP_STATE_H__ - -#if defined(__STDC__) || defined(__GNUC__) -# define SIOCDELST _IOW('r', 61, struct ipfobj) -#else -# define SIOCDELST _IOW(r, 61, struct ipfobj) -#endif - -struct ipscan; - -#ifndef IPSTATE_SIZE -# define IPSTATE_SIZE 5737 -#endif -#ifndef IPSTATE_MAX -# define IPSTATE_MAX 4013 /* Maximum number of states held */ -#endif - -#define PAIRS(s1,d1,s2,d2) ((((s1) == (s2)) && ((d1) == (d2))) ||\ - (((s1) == (d2)) && ((d1) == (s2)))) -#define IPPAIR(s1,d1,s2,d2) PAIRS((s1).s_addr, (d1).s_addr, \ - (s2).s_addr, (d2).s_addr) - - -typedef struct ipstate { - ipfmutex_t is_lock; - struct ipstate *is_next; - struct ipstate **is_pnext; - struct ipstate *is_hnext; - struct ipstate **is_phnext; - struct ipstate **is_me; - void *is_ifp[4]; - void *is_sync; - struct nat *is_nat[2]; - frentry_t *is_rule; - struct ipftq *is_tqehead[2]; - struct ipscan *is_isc; - U_QUAD_T is_pkts[4]; - U_QUAD_T is_bytes[4]; - U_QUAD_T is_icmppkts[4]; - struct ipftqent is_sti; - u_int is_frage[2]; - int is_ref; /* reference count */ - int is_isninc[2]; - u_short is_sumd[2]; - i6addr_t is_src; - i6addr_t is_dst; - u_int is_pass; - u_char is_p; /* Protocol */ - u_char is_v; - u_32_t is_hv; - u_32_t is_tag; - u_32_t is_opt; /* packet options set */ - u_32_t is_optmsk; /* " " mask */ - u_short is_sec; /* security options set */ - u_short is_secmsk; /* " " mask */ - u_short is_auth; /* authentication options set */ - u_short is_authmsk; /* " " mask */ - union { - icmpinfo_t is_ics; - tcpinfo_t is_ts; - udpinfo_t is_us; - greinfo_t is_ug; - } is_ps; - u_32_t is_flags; - int is_flx[2][2]; - u_32_t is_rulen; /* rule number when created */ - u_32_t is_s0[2]; - u_short is_smsk[2]; - char is_group[FR_GROUPLEN]; - char is_sbuf[2][16]; - char is_ifname[4][LIFNAMSIZ]; -} ipstate_t; - -#define is_die is_sti.tqe_die -#define is_state is_sti.tqe_state -#define is_touched is_sti.tqe_touched -#define is_saddr is_src.in4.s_addr -#define is_daddr is_dst.in4.s_addr -#define is_icmp is_ps.is_ics -#define is_type is_icmp.ici_type -#define is_code is_icmp.ici_code -#define is_tcp is_ps.is_ts -#define is_udp is_ps.is_us -#define is_send is_tcp.ts_data[0].td_end -#define is_dend is_tcp.ts_data[1].td_end -#define is_maxswin is_tcp.ts_data[0].td_maxwin -#define is_maxdwin is_tcp.ts_data[1].td_maxwin -#define is_maxsend is_tcp.ts_data[0].td_maxend -#define is_maxdend is_tcp.ts_data[1].td_maxend -#define is_swinscale is_tcp.ts_data[0].td_winscale -#define is_dwinscale is_tcp.ts_data[1].td_winscale -#define is_swinflags is_tcp.ts_data[0].td_winflags -#define is_dwinflags is_tcp.ts_data[1].td_winflags -#define is_sport is_tcp.ts_sport -#define is_dport is_tcp.ts_dport -#define is_ifpin is_ifp[0] -#define is_ifpout is_ifp[2] -#define is_gre is_ps.is_ug -#define is_call is_gre.gs_call - -#define IS_WSPORT SI_W_SPORT /* 0x00100 */ -#define IS_WDPORT SI_W_DPORT /* 0x00200 */ -#define IS_WSADDR SI_W_SADDR /* 0x00400 */ -#define IS_WDADDR SI_W_DADDR /* 0x00800 */ -#define IS_NEWFR SI_NEWFR /* 0x01000 */ -#define IS_CLONE SI_CLONE /* 0x02000 */ -#define IS_CLONED SI_CLONED /* 0x04000 */ -#define IS_TCPFSM 0x10000 -#define IS_STRICT 0x20000 -#define IS_ISNSYN 0x40000 -#define IS_ISNACK 0x80000 -#define IS_STATESYNC 0x100000 -/* - * IS_SC flags are for scan-operations that need to be recognised in state. - */ -#define IS_SC_CLIENT 0x10000000 -#define IS_SC_SERVER 0x20000000 -#define IS_SC_MATCHC 0x40000000 -#define IS_SC_MATCHS 0x80000000 -#define IS_SC_MATCHALL (IS_SC_MATCHC|IS_SC_MATCHC) -#define IS_SC_ALL (IS_SC_MATCHC|IS_SC_MATCHC|IS_SC_CLIENT|IS_SC_SERVER) - -/* - * Flags that can be passed into fr_addstate - */ -#define IS_INHERITED 0x0fffff00 - -#define TH_OPENING (TH_SYN|TH_ACK) -/* - * is_flags: - * Bits 0 - 3 are use as a mask with the current packet's bits to check for - * whether it is short, tcp/udp, a fragment or the presence of IP options. - * Bits 4 - 7 are set from the initial packet and contain what the packet - * anded with bits 0-3 must match. - * Bits 8,9 are used to indicate wildcard source/destination port matching. - * Bits 10,11 are reserved for other wildcard flag compatibility. - * Bits 12,13 are for scaning. - */ - -typedef struct ipstate_save { - void *ips_next; - struct ipstate ips_is; - struct frentry ips_fr; -} ipstate_save_t; - -#define ips_rule ips_is.is_rule - - -typedef struct ipslog { - U_QUAD_T isl_pkts[4]; - U_QUAD_T isl_bytes[4]; - i6addr_t isl_src; - i6addr_t isl_dst; - u_32_t isl_tag; - u_short isl_type; - union { - u_short isl_filler[2]; - u_short isl_ports[2]; - u_short isl_icmp; - } isl_ps; - u_char isl_v; - u_char isl_p; - u_char isl_flags; - u_char isl_state[2]; - u_32_t isl_rulen; - char isl_group[FR_GROUPLEN]; -} ipslog_t; - -#define isl_sport isl_ps.isl_ports[0] -#define isl_dport isl_ps.isl_ports[1] -#define isl_itype isl_ps.isl_icmp - -#define ISL_NEW 0 -#define ISL_CLONE 1 -#define ISL_EXPIRE 0xffff -#define ISL_FLUSH 0xfffe -#define ISL_REMOVE 0xfffd -#define ISL_INTERMEDIATE 0xfffc -#define ISL_KILLED 0xfffb -#define ISL_ORPHAN 0xfffa - - -typedef struct ips_stat { - u_long iss_hits; - u_long iss_miss; - u_long iss_max; - u_long iss_maxref; - u_long iss_tcp; - u_long iss_udp; - u_long iss_icmp; - u_long iss_nomem; - u_long iss_expire; - u_long iss_fin; - u_long iss_active; - u_long iss_logged; - u_long iss_logfail; - u_long iss_inuse; - u_long iss_wild; - u_long iss_killed; - u_long iss_ticks; - u_long iss_bucketfull; - int iss_statesize; - int iss_statemax; - ipstate_t **iss_table; - ipstate_t *iss_list; - u_long *iss_bucketlen; -} ips_stat_t; - - -extern u_long fr_tcpidletimeout; -extern u_long fr_tcpclosewait; -extern u_long fr_tcplastack; -extern u_long fr_tcptimeout; -extern u_long fr_tcpclosed; -extern u_long fr_tcphalfclosed; -extern u_long fr_udptimeout; -extern u_long fr_udpacktimeout; -extern u_long fr_icmptimeout; -extern u_long fr_icmpacktimeout; -extern u_long fr_iptimeout; -extern int fr_statemax; -extern int fr_statesize; -extern int fr_state_lock; -extern int fr_state_maxbucket; -extern int fr_state_maxbucket_reset; -extern ipstate_t *ips_list; -extern ipftq_t *ips_utqe; -extern ipftq_t ips_tqtqb[IPF_TCP_NSTATES]; - -extern int fr_stateinit __P((void)); -extern ipstate_t *fr_addstate __P((fr_info_t *, ipstate_t **, u_int)); -extern frentry_t *fr_checkstate __P((struct fr_info *, u_32_t *)); -extern ipstate_t *fr_stlookup __P((fr_info_t *, tcphdr_t *, ipftq_t **)); -extern void fr_statesync __P((void *)); -extern void fr_timeoutstate __P((void)); -extern int fr_tcp_age __P((struct ipftqent *, struct fr_info *, - struct ipftq *, int)); -extern int fr_tcpinwindow __P((struct fr_info *, struct tcpdata *, - struct tcpdata *, tcphdr_t *, int)); -extern void fr_stateunload __P((void)); -extern void ipstate_log __P((struct ipstate *, u_int)); -extern int fr_state_ioctl __P((caddr_t, ioctlcmd_t, int)); -extern void fr_stinsert __P((struct ipstate *, int)); -extern void fr_sttab_init __P((struct ipftq *)); -extern void fr_sttab_destroy __P((struct ipftq *)); -extern void fr_updatestate __P((fr_info_t *, ipstate_t *, ipftq_t *)); -extern void fr_statederef __P((fr_info_t *, ipstate_t **)); -extern void fr_setstatequeue __P((ipstate_t *, int)); - -#endif /* __IP_STATE_H__ */ |
