diff options
Diffstat (limited to 'contrib/ipfilter/ip_fil.h')
| -rw-r--r-- | contrib/ipfilter/ip_fil.h | 1368 |
1 files changed, 0 insertions, 1368 deletions
diff --git a/contrib/ipfilter/ip_fil.h b/contrib/ipfilter/ip_fil.h deleted file mode 100644 index 2aacb3f..0000000 --- a/contrib/ipfilter/ip_fil.h +++ /dev/null @@ -1,1368 +0,0 @@ -/* $NetBSD$ */ - -/* - * Copyright (C) 1993-2001, 2003 by Darren Reed. - * - * See the IPFILTER.LICENCE file for details on licencing. - * - * @(#)ip_fil.h 1.35 6/5/96 - * Id: ip_fil.h,v 2.170.2.18 2005/03/28 10:47:52 darrenr Exp - */ - -#ifndef __IP_FIL_H__ -#define __IP_FIL_H__ - -#ifndef SOLARIS -# define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4))) -#endif - -#ifndef __P -# ifdef __STDC__ -# define __P(x) x -# else -# define __P(x) () -# endif -#endif - -#if defined(__STDC__) || defined(__GNUC__) -# define SIOCADAFR _IOW('r', 60, struct ipfobj) -# define SIOCRMAFR _IOW('r', 61, struct ipfobj) -# define SIOCSETFF _IOW('r', 62, u_int) -# define SIOCGETFF _IOR('r', 63, u_int) -# define SIOCGETFS _IOWR('r', 64, struct ipfobj) -# define SIOCIPFFL _IOWR('r', 65, int) -# define SIOCIPFFB _IOR('r', 66, int) -# define SIOCADIFR _IOW('r', 67, struct ipfobj) -# define SIOCRMIFR _IOW('r', 68, struct ipfobj) -# define SIOCSWAPA _IOR('r', 69, u_int) -# define SIOCINAFR _IOW('r', 70, struct ipfobj) -# define SIOCINIFR _IOW('r', 71, struct ipfobj) -# define SIOCFRENB _IOW('r', 72, u_int) -# define SIOCFRSYN _IOW('r', 73, u_int) -# define SIOCFRZST _IOWR('r', 74, struct ipfobj) -# define SIOCZRLST _IOWR('r', 75, struct ipfobj) -# define SIOCAUTHW _IOWR('r', 76, struct ipfobj) -# define SIOCAUTHR _IOWR('r', 77, struct ipfobj) -# define SIOCATHST _IOWR('r', 78, struct ipfobj) -# define SIOCSTLCK _IOWR('r', 79, u_int) -# define SIOCSTPUT _IOWR('r', 80, struct ipfobj) -# define SIOCSTGET _IOWR('r', 81, struct ipfobj) -# define SIOCSTGSZ _IOWR('r', 82, struct ipfobj) -# define SIOCGFRST _IOWR('r', 83, struct ipfobj) -# define SIOCSETLG _IOWR('r', 84, int) -# define SIOCGETLG _IOWR('r', 85, int) -# define SIOCFUNCL _IOWR('r', 86, struct ipfunc_resolve) -# define SIOCIPFGETNEXT _IOWR('r', 87, struct ipfobj) -# define SIOCIPFGET _IOWR('r', 88, struct ipfobj) -# define SIOCIPFSET _IOWR('r', 89, struct ipfobj) -# define SIOCIPFL6 _IOWR('r', 90, int) -#else -# define SIOCADAFR _IOW(r, 60, struct ipfobj) -# define SIOCRMAFR _IOW(r, 61, struct ipfobj) -# define SIOCSETFF _IOW(r, 62, u_int) -# define SIOCGETFF _IOR(r, 63, u_int) -# define SIOCGETFS _IOWR(r, 64, struct ipfobj) -# define SIOCIPFFL _IOWR(r, 65, int) -# define SIOCIPFFB _IOR(r, 66, int) -# define SIOCADIFR _IOW(r, 67, struct ipfobj) -# define SIOCRMIFR _IOW(r, 68, struct ipfobj) -# define SIOCSWAPA _IOR(r, 69, u_int) -# define SIOCINAFR _IOW(r, 70, struct ipfobj) -# define SIOCINIFR _IOW(r, 71, struct ipfobj) -# define SIOCFRENB _IOW(r, 72, u_int) -# define SIOCFRSYN _IOW(r, 73, u_int) -# define SIOCFRZST _IOWR(r, 74, struct ipfobj) -# define SIOCZRLST _IOWR(r, 75, struct ipfobj) -# define SIOCAUTHW _IOWR(r, 76, struct ipfobj) -# define SIOCAUTHR _IOWR(r, 77, struct ipfobj) -# define SIOCATHST _IOWR(r, 78, struct ipfobj) -# define SIOCSTLCK _IOWR(r, 79, u_int) -# define SIOCSTPUT _IOWR(r, 80, struct ipfobj) -# define SIOCSTGET _IOWR(r, 81, struct ipfobj) -# define SIOCSTGSZ _IOWR(r, 82, struct ipfobj) -# define SIOCGFRST _IOWR(r, 83, struct ipfobj) -# define SIOCSETLG _IOWR(r, 84, int) -# define SIOCGETLG _IOWR(r, 85, int) -# define SIOCFUNCL _IOWR(r, 86, struct ipfunc_resolve) -# define SIOCIPFGETNEXT _IOWR(r, 87, struct ipfobj) -# define SIOCIPFGET _IOWR(r, 88, struct ipfobj) -# define SIOCIPFSET _IOWR(r, 89, struct ipfobj) -# define SIOCIPFL6 _IOWR(r, 90, int) -#endif -#define SIOCADDFR SIOCADAFR -#define SIOCDELFR SIOCRMAFR -#define SIOCINSFR SIOCINAFR - - -struct ipscan; -struct ifnet; - - -typedef int (* lookupfunc_t) __P((void *, int, void *)); - -/* - * i6addr is used as a container for both IPv4 and IPv6 addresses, as well - * as other types of objects, depending on its qualifier. - */ -#ifdef USE_INET6 -typedef union i6addr { - u_32_t i6[4]; - struct in_addr in4; - struct in6_addr in6; - void *vptr[2]; - lookupfunc_t lptr[2]; -} i6addr_t; -#else -typedef union i6addr { - u_32_t i6[4]; - struct in_addr in4; - void *vptr[2]; - lookupfunc_t lptr[2]; -} i6addr_t; -#endif - -#define in4_addr in4.s_addr -#define iplookupnum i6[0] -#define iplookuptype i6[1] -/* - * NOTE: These DO overlap the above on 64bit systems and this IS recognised. - */ -#define iplookupptr vptr[0] -#define iplookupfunc lptr[1] - -#define I60(x) (((i6addr_t *)(x))->i6[0]) -#define I61(x) (((i6addr_t *)(x))->i6[1]) -#define I62(x) (((i6addr_t *)(x))->i6[2]) -#define I63(x) (((i6addr_t *)(x))->i6[3]) -#define HI60(x) ntohl(((i6addr_t *)(x))->i6[0]) -#define HI61(x) ntohl(((i6addr_t *)(x))->i6[1]) -#define HI62(x) ntohl(((i6addr_t *)(x))->i6[2]) -#define HI63(x) ntohl(((i6addr_t *)(x))->i6[3]) - -#define IP6_EQ(a,b) ((I63(a) == I63(b)) && (I62(a) == I62(b)) && \ - (I61(a) == I61(b)) && (I60(a) == I60(b))) -#define IP6_NEQ(a,b) ((I63(a) != I63(b)) || (I62(a) != I62(b)) || \ - (I61(a) != I61(b)) || (I60(a) != I60(b))) -#define IP6_ISZERO(a) ((I60(a) | I61(a) | I62(a) | I63(a)) == 0) -#define IP6_NOTZERO(a) ((I60(a) | I61(a) | I62(a) | I63(a)) != 0) -#define IP6_GT(a,b) (HI60(a) > HI60(b) || (HI60(a) == HI60(b) && \ - (HI61(a) > HI61(b) || (HI61(a) == HI61(b) && \ - (HI62(a) > HI62(b) || (HI62(a) == HI62(b) && \ - HI63(a) > HI63(b))))))) -#define IP6_LT(a,b) (HI60(a) < HI60(b) || (HI60(a) == HI60(b) && \ - (HI61(a) < HI61(b) || (HI61(a) == HI61(b) && \ - (HI62(a) < HI62(b) || (HI62(a) == HI62(b) && \ - HI63(a) < HI63(b))))))) -#define NLADD(n,x) htonl(ntohl(n) + (x)) -#define IP6_INC(a) \ - { i6addr_t *_i6 = (i6addr_t *)(a); \ - _i6->i6[0] = NLADD(_i6->i6[0], 1); \ - if (_i6->i6[0] == 0) { \ - _i6->i6[0] = NLADD(_i6->i6[1], 1); \ - if (_i6->i6[1] == 0) { \ - _i6->i6[0] = NLADD(_i6->i6[2], 1); \ - if (_i6->i6[2] == 0) { \ - _i6->i6[0] = NLADD(_i6->i6[3], 1); \ - } \ - } \ - } \ - } -#define IP6_ADD(a,x,d) \ - { i6addr_t *_s = (i6addr_t *)(a); \ - i6addr_t *_d = (i6addr_t *)(d); \ - _d->i6[0] = NLADD(_s->i6[0], x); \ - if (ntohl(_d->i6[0]) < ntohl(_s->i6[0])) { \ - _d->i6[1] = NLADD(_d->i6[1], 1); \ - if (ntohl(_d->i6[1]) < ntohl(_s->i6[1])) { \ - _d->i6[2] = NLADD(_d->i6[2], 1); \ - if (ntohl(_d->i6[2]) < ntohl(_s->i6[2])) { \ - _d->i6[3] = NLADD(_d->i6[3], 1); \ - } \ - } \ - } \ - } -#define IP6_AND(a,b,d) { i6addr_t *_s1 = (i6addr_t *)(a); \ - i6addr_t *_s2 = (i6addr_t *)(d); \ - i6addr_t *_d = (i6addr_t *)(d); \ - _d->i6[0] = _s1->i6[0] & _s2->i6[0]; \ - _d->i6[1] = _s1->i6[1] & _s2->i6[1]; \ - _d->i6[2] = _s1->i6[2] & _s2->i6[2]; \ - _d->i6[3] = _s1->i6[3] & _s2->i6[3]; \ - } -#define IP6_MERGE(a,b,c) \ - { i6addr_t *_d, *_s1, *_s2; \ - _d = (i6addr_t *)(a); \ - _s1 = (i6addr_t *)(b); \ - _s2 = (i6addr_t *)(c); \ - _d->i6[0] |= _s1->i6[0] & ~_s2->i6[0]; \ - _d->i6[1] |= _s1->i6[1] & ~_s2->i6[1]; \ - _d->i6[2] |= _s1->i6[2] & ~_s2->i6[2]; \ - _d->i6[2] |= _s1->i6[3] & ~_s2->i6[3]; \ - } - - -typedef struct fr_ip { - u_32_t fi_v:4; /* IP version */ - u_32_t fi_xx:4; /* spare */ - u_32_t fi_tos:8; /* IP packet TOS */ - u_32_t fi_ttl:8; /* IP packet TTL */ - u_32_t fi_p:8; /* IP packet protocol */ - u_32_t fi_optmsk; /* bitmask composed from IP options */ - i6addr_t fi_src; /* source address from packet */ - i6addr_t fi_dst; /* destination address from packet */ - u_short fi_secmsk; /* bitmask composed from IP security options */ - u_short fi_auth; /* authentication code from IP sec. options */ - u_32_t fi_flx; /* packet flags */ - u_32_t fi_tcpmsk; /* TCP options set/reset */ - u_32_t fi_res1; /* RESERVED */ -} fr_ip_t; - -/* - * For use in fi_flx - */ -#define FI_TCPUDP 0x0001 /* TCP/UCP implied comparison*/ -#define FI_OPTIONS 0x0002 -#define FI_FRAG 0x0004 -#define FI_SHORT 0x0008 -#define FI_NATED 0x0010 -#define FI_MULTICAST 0x0020 -#define FI_BROADCAST 0x0040 -#define FI_MBCAST 0x0080 -#define FI_STATE 0x0100 -#define FI_BADNAT 0x0200 -#define FI_BAD 0x0400 -#define FI_OOW 0x0800 /* Out of state window, else match */ -#define FI_ICMPERR 0x1000 -#define FI_FRAGBODY 0x2000 -#define FI_BADSRC 0x4000 -#define FI_LOWTTL 0x8000 -#define FI_CMP 0xcfe3 /* Not FI_FRAG,FI_NATED,FI_FRAGTAIL */ -#define FI_ICMPCMP 0x0003 /* Flags we can check for ICMP error packets */ -#define FI_WITH 0xeffe /* Not FI_TCPUDP */ -#define FI_V6EXTHDR 0x10000 -#define FI_COALESCE 0x20000 -#define FI_NOCKSUM 0x20000000 /* don't do a L4 checksum validation */ -#define FI_DONTCACHE 0x40000000 /* don't cache the result */ -#define FI_IGNORE 0x80000000 - -#define fi_saddr fi_src.in4.s_addr -#define fi_daddr fi_dst.in4.s_addr -#define fi_srcnum fi_src.iplookupnum -#define fi_dstnum fi_dst.iplookupnum -#define fi_srctype fi_src.iplookuptype -#define fi_dsttype fi_dst.iplookuptype -#define fi_srcptr fi_src.iplookupptr -#define fi_dstptr fi_dst.iplookupptr -#define fi_srcfunc fi_src.iplookupfunc -#define fi_dstfunc fi_dst.iplookupfunc - - -/* - * These are both used by the state and NAT code to indicate that one port or - * the other should be treated as a wildcard. - * NOTE: When updating, check bit masks in ip_state.h and update there too. - */ -#define SI_W_SPORT 0x00000100 -#define SI_W_DPORT 0x00000200 -#define SI_WILDP (SI_W_SPORT|SI_W_DPORT) -#define SI_W_SADDR 0x00000400 -#define SI_W_DADDR 0x00000800 -#define SI_WILDA (SI_W_SADDR|SI_W_DADDR) -#define SI_NEWFR 0x00001000 -#define SI_CLONE 0x00002000 -#define SI_CLONED 0x00004000 - - -typedef struct fr_info { - void *fin_ifp; /* interface packet is `on' */ - fr_ip_t fin_fi; /* IP Packet summary */ - union { - u_short fid_16[2]; /* TCP/UDP ports, ICMP code/type */ - u_32_t fid_32; - } fin_dat; - int fin_out; /* in or out ? 1 == out, 0 == in */ - int fin_rev; /* state only: 1 = reverse */ - u_short fin_hlen; /* length of IP header in bytes */ - u_char fin_tcpf; /* TCP header flags (SYN, ACK, etc) */ - u_char fin_icode; /* ICMP error to return */ - u_32_t fin_rule; /* rule # last matched */ - char fin_group[FR_GROUPLEN]; /* group number, -1 for none */ - struct frentry *fin_fr; /* last matching rule */ - void *fin_dp; /* start of data past IP header */ - int fin_dlen; /* length of data portion of packet */ - int fin_plen; - int fin_ipoff; /* # bytes from buffer start to hdr */ - u_short fin_id; /* IP packet id field */ - u_short fin_off; - int fin_depth; /* Group nesting depth */ - int fin_error; /* Error code to return */ - void *fin_nat; - void *fin_state; - void *fin_nattag; - ip_t *fin_ip; - mb_t **fin_mp; /* pointer to pointer to mbuf */ - mb_t *fin_m; /* pointer to mbuf */ -#ifdef MENTAT - mb_t *fin_qfm; /* pointer to mblk where pkt starts */ - void *fin_qpi; -#endif -#ifdef __sgi - void *fin_hbuf; -#endif -} fr_info_t; - -#define fin_v fin_fi.fi_v -#define fin_p fin_fi.fi_p -#define fin_flx fin_fi.fi_flx -#define fin_optmsk fin_fi.fi_optmsk -#define fin_secmsk fin_fi.fi_secmsk -#define fin_auth fin_fi.fi_auth -#define fin_src fin_fi.fi_src.in4 -#define fin_src6 fin_fi.fi_src.in6 -#define fin_saddr fin_fi.fi_saddr -#define fin_dst fin_fi.fi_dst.in4 -#define fin_dst6 fin_fi.fi_dst.in6 -#define fin_daddr fin_fi.fi_daddr -#define fin_data fin_dat.fid_16 -#define fin_sport fin_dat.fid_16[0] -#define fin_dport fin_dat.fid_16[1] -#define fin_ports fin_dat.fid_32 - -#define IPF_IN 0 -#define IPF_OUT 1 - -typedef struct frentry *(*ipfunc_t) __P((fr_info_t *, u_32_t *)); -typedef int (*ipfuncinit_t) __P((struct frentry *)); - -typedef struct ipfunc_resolve { - char ipfu_name[32]; - ipfunc_t ipfu_addr; - ipfuncinit_t ipfu_init; -} ipfunc_resolve_t; - -/* - * Size for compares on fr_info structures - */ -#define FI_CSIZE offsetof(fr_info_t, fin_icode) -#define FI_LCSIZE offsetof(fr_info_t, fin_dp) - -/* - * Size for copying cache fr_info structure - */ -#define FI_COPYSIZE offsetof(fr_info_t, fin_dp) - -/* - * Structure for holding IPFilter's tag information - */ -#define IPFTAG_LEN 16 -typedef struct { - union { - u_32_t iptu_num[4]; - char iptu_tag[IPFTAG_LEN]; - } ipt_un; - int ipt_not; -} ipftag_t; - -#define ipt_tag ipt_un.iptu_tag -#define ipt_num ipt_un.iptu_num - - -/* - * This structure is used to hold information about the next hop for where - * to forward a packet. - */ -typedef struct frdest { - void *fd_ifp; - i6addr_t fd_ip6; - char fd_ifname[LIFNAMSIZ]; -} frdest_t; - -#define fd_ip fd_ip6.in4 - - -/* - * This structure holds information about a port comparison. - */ -typedef struct frpcmp { - int frp_cmp; /* data for port comparisons */ - u_short frp_port; /* top port for <> and >< */ - u_short frp_top; /* top port for <> and >< */ -} frpcmp_t; - -#define FR_NONE 0 -#define FR_EQUAL 1 -#define FR_NEQUAL 2 -#define FR_LESST 3 -#define FR_GREATERT 4 -#define FR_LESSTE 5 -#define FR_GREATERTE 6 -#define FR_OUTRANGE 7 -#define FR_INRANGE 8 -#define FR_INCRANGE 9 - -/* - * Structure containing all the relevant TCP things that can be checked in - * a filter rule. - */ -typedef struct frtuc { - u_char ftu_tcpfm; /* tcp flags mask */ - u_char ftu_tcpf; /* tcp flags */ - frpcmp_t ftu_src; - frpcmp_t ftu_dst; -} frtuc_t; - -#define ftu_scmp ftu_src.frp_cmp -#define ftu_dcmp ftu_dst.frp_cmp -#define ftu_sport ftu_src.frp_port -#define ftu_dport ftu_dst.frp_port -#define ftu_stop ftu_src.frp_top -#define ftu_dtop ftu_dst.frp_top - -#define FR_TCPFMAX 0x3f - -/* - * This structure makes up what is considered to be the IPFilter specific - * matching components of a filter rule, as opposed to the data structures - * used to define the result which are in frentry_t and not here. - */ -typedef struct fripf { - fr_ip_t fri_ip; - fr_ip_t fri_mip; /* mask structure */ - - u_short fri_icmpm; /* data for ICMP packets (mask) */ - u_short fri_icmp; - - frtuc_t fri_tuc; - int fri_satype; /* addres type */ - int fri_datype; /* addres type */ - int fri_sifpidx; /* doing dynamic addressing */ - int fri_difpidx; /* index into fr_ifps[] to use when */ -} fripf_t; - -#define fri_dstnum fri_ip.fi_dstnum -#define fri_srcnum fri_mip.fi_srcnum -#define fri_dstptr fri_ip.fi_dstptr -#define fri_srcptr fri_mip.fi_srcptr - -#define FRI_NORMAL 0 /* Normal address */ -#define FRI_DYNAMIC 1 /* dynamic address */ -#define FRI_LOOKUP 2 /* address is a pool # */ -#define FRI_RANGE 3 /* address/mask is a range */ -#define FRI_NETWORK 4 /* network address from if */ -#define FRI_BROADCAST 5 /* broadcast address from if */ -#define FRI_PEERADDR 6 /* Peer address for P-to-P */ -#define FRI_NETMASKED 7 /* network address with netmask from if */ - - -typedef struct frentry * (* frentfunc_t) __P((fr_info_t *)); - -typedef struct frentry { - ipfmutex_t fr_lock; - struct frentry *fr_next; - struct frentry **fr_grp; - struct ipscan *fr_isc; - void *fr_ifas[4]; - void *fr_ptr; /* for use with fr_arg */ - char *fr_comment; /* text comment for rule */ - int fr_ref; /* reference count - for grouping */ - int fr_statecnt; /* state count - for limit rules */ - /* - * These are only incremented when a packet matches this rule and - * it is the last match - */ - U_QUAD_T fr_hits; - U_QUAD_T fr_bytes; - - /* - * For PPS rate limiting - */ - struct timeval fr_lastpkt; - int fr_curpps; - - union { - void *fru_data; - caddr_t fru_caddr; - fripf_t *fru_ipf; - frentfunc_t fru_func; - } fr_dun; - - /* - * Fields after this may not change whilst in the kernel. - */ - ipfunc_t fr_func; /* call this function */ - int fr_dsize; - int fr_pps; - int fr_statemax; /* max reference count */ - int fr_flineno; /* line number from conf file */ - u_32_t fr_type; - u_32_t fr_flags; /* per-rule flags && options (see below) */ - u_32_t fr_logtag; /* user defined log tag # */ - u_32_t fr_collect; /* collection number */ - u_int fr_arg; /* misc. numeric arg for rule */ - u_int fr_loglevel; /* syslog log facility + priority */ - u_int fr_age[2]; /* non-TCP timeouts */ - u_char fr_v; - u_char fr_icode; /* return ICMP code */ - char fr_group[FR_GROUPLEN]; /* group to which this rule belongs */ - char fr_grhead[FR_GROUPLEN]; /* group # which this rule starts */ - ipftag_t fr_nattag; - char fr_ifnames[4][LIFNAMSIZ]; - char fr_isctag[16]; - frdest_t fr_tifs[2]; /* "to"/"reply-to" interface */ - frdest_t fr_dif; /* duplicate packet interface */ - /* - * This must be last and will change after loaded into the kernel. - */ - u_int fr_cksum; /* checksum on filter rules for performance */ -} frentry_t; - -#define fr_caddr fr_dun.fru_caddr -#define fr_data fr_dun.fru_data -#define fr_dfunc fr_dun.fru_func -#define fr_ipf fr_dun.fru_ipf -#define fr_ip fr_ipf->fri_ip -#define fr_mip fr_ipf->fri_mip -#define fr_icmpm fr_ipf->fri_icmpm -#define fr_icmp fr_ipf->fri_icmp -#define fr_tuc fr_ipf->fri_tuc -#define fr_satype fr_ipf->fri_satype -#define fr_datype fr_ipf->fri_datype -#define fr_sifpidx fr_ipf->fri_sifpidx -#define fr_difpidx fr_ipf->fri_difpidx -#define fr_proto fr_ip.fi_p -#define fr_mproto fr_mip.fi_p -#define fr_ttl fr_ip.fi_ttl -#define fr_mttl fr_mip.fi_ttl -#define fr_tos fr_ip.fi_tos -#define fr_mtos fr_mip.fi_tos -#define fr_tcpfm fr_tuc.ftu_tcpfm -#define fr_tcpf fr_tuc.ftu_tcpf -#define fr_scmp fr_tuc.ftu_scmp -#define fr_dcmp fr_tuc.ftu_dcmp -#define fr_dport fr_tuc.ftu_dport -#define fr_sport fr_tuc.ftu_sport -#define fr_stop fr_tuc.ftu_stop -#define fr_dtop fr_tuc.ftu_dtop -#define fr_dst fr_ip.fi_dst.in4 -#define fr_daddr fr_ip.fi_dst.in4.s_addr -#define fr_src fr_ip.fi_src.in4 -#define fr_saddr fr_ip.fi_src.in4.s_addr -#define fr_dmsk fr_mip.fi_dst.in4 -#define fr_dmask fr_mip.fi_dst.in4.s_addr -#define fr_smsk fr_mip.fi_src.in4 -#define fr_smask fr_mip.fi_src.in4.s_addr -#define fr_dstnum fr_ip.fi_dstnum -#define fr_srcnum fr_ip.fi_srcnum -#define fr_dsttype fr_ip.fi_dsttype -#define fr_srctype fr_ip.fi_srctype -#define fr_dstptr fr_mip.fi_dstptr -#define fr_srcptr fr_mip.fi_srcptr -#define fr_dstfunc fr_mip.fi_dstfunc -#define fr_srcfunc fr_mip.fi_srcfunc -#define fr_optbits fr_ip.fi_optmsk -#define fr_optmask fr_mip.fi_optmsk -#define fr_secbits fr_ip.fi_secmsk -#define fr_secmask fr_mip.fi_secmsk -#define fr_authbits fr_ip.fi_auth -#define fr_authmask fr_mip.fi_auth -#define fr_flx fr_ip.fi_flx -#define fr_mflx fr_mip.fi_flx -#define fr_ifname fr_ifnames[0] -#define fr_oifname fr_ifnames[2] -#define fr_ifa fr_ifas[0] -#define fr_oifa fr_ifas[2] -#define fr_tif fr_tifs[0] -#define fr_rif fr_tifs[1] - -#define FR_NOLOGTAG 0 - -#ifndef offsetof -#define offsetof(t,m) (int)((&((t *)0L)->m)) -#endif -#define FR_CMPSIZ (sizeof(struct frentry) - \ - offsetof(struct frentry, fr_func)) - -/* - * fr_type - */ -#define FR_T_NONE 0 -#define FR_T_IPF 1 /* IPF structures */ -#define FR_T_BPFOPC 2 /* BPF opcode */ -#define FR_T_CALLFUNC 3 /* callout to function in fr_func only */ -#define FR_T_COMPIPF 4 /* compiled C code */ -#define FR_T_BUILTIN 0x80000000 /* rule is in kernel space */ - -/* - * fr_flags - */ -#define FR_CALL 0x00000 /* call rule */ -#define FR_BLOCK 0x00001 /* do not allow packet to pass */ -#define FR_PASS 0x00002 /* allow packet to pass */ -#define FR_AUTH 0x00003 /* use authentication */ -#define FR_PREAUTH 0x00004 /* require preauthentication */ -#define FR_ACCOUNT 0x00005 /* Accounting rule */ -#define FR_SKIP 0x00006 /* skip rule */ -#define FR_DIVERT 0x00007 /* divert rule */ -#define FR_CMDMASK 0x0000f -#define FR_LOG 0x00010 /* Log */ -#define FR_LOGB 0x00011 /* Log-fail */ -#define FR_LOGP 0x00012 /* Log-pass */ -#define FR_LOGMASK (FR_LOG|FR_CMDMASK) -#define FR_CALLNOW 0x00020 /* call another function (fr_func) if matches */ -#define FR_NOTSRCIP 0x00040 -#define FR_NOTDSTIP 0x00080 -#define FR_QUICK 0x00100 /* match & stop processing list */ -#define FR_KEEPFRAG 0x00200 /* keep fragment information */ -#define FR_KEEPSTATE 0x00400 /* keep `connection' state information */ -#define FR_FASTROUTE 0x00800 /* bypass normal routing */ -#define FR_RETRST 0x01000 /* Return TCP RST packet - reset connection */ -#define FR_RETICMP 0x02000 /* Return ICMP unreachable packet */ -#define FR_FAKEICMP 0x03000 /* Return ICMP unreachable with fake source */ -#define FR_OUTQUE 0x04000 /* outgoing packets */ -#define FR_INQUE 0x08000 /* ingoing packets */ -#define FR_LOGBODY 0x10000 /* Log the body */ -#define FR_LOGFIRST 0x20000 /* Log the first byte if state held */ -#define FR_LOGORBLOCK 0x40000 /* block the packet if it can't be logged */ -#define FR_DUP 0x80000 /* duplicate packet */ -#define FR_FRSTRICT 0x100000 /* strict frag. cache */ -#define FR_STSTRICT 0x200000 /* strict keep state */ -#define FR_NEWISN 0x400000 /* new ISN for outgoing TCP */ -#define FR_NOICMPERR 0x800000 /* do not match ICMP errors in state */ -#define FR_STATESYNC 0x1000000 /* synchronize state to slave */ -#define FR_NOMATCH 0x8000000 /* no match occured */ - /* 0x10000000 FF_LOGPASS */ - /* 0x20000000 FF_LOGBLOCK */ - /* 0x40000000 FF_LOGNOMATCH */ - /* 0x80000000 FF_BLOCKNONIP */ -#define FR_COPIED 0x40000000 /* copied from user space */ -#define FR_INACTIVE 0x80000000 /* only used when flush'ing rules */ - -#define FR_RETMASK (FR_RETICMP|FR_RETRST|FR_FAKEICMP) -#define FR_ISBLOCK(x) (((x) & FR_CMDMASK) == FR_BLOCK) -#define FR_ISPASS(x) (((x) & FR_CMDMASK) == FR_PASS) -#define FR_ISAUTH(x) (((x) & FR_CMDMASK) == FR_AUTH) -#define FR_ISPREAUTH(x) (((x) & FR_CMDMASK) == FR_PREAUTH) -#define FR_ISACCOUNT(x) (((x) & FR_CMDMASK) == FR_ACCOUNT) -#define FR_ISSKIP(x) (((x) & FR_CMDMASK) == FR_SKIP) -#define FR_ISNOMATCH(x) ((x) & FR_NOMATCH) -#define FR_INOUT (FR_INQUE|FR_OUTQUE) - -/* - * recognized flags for SIOCGETFF and SIOCSETFF, and get put in fr_flags - */ -#define FF_LOGPASS 0x10000000 -#define FF_LOGBLOCK 0x20000000 -#define FF_LOGNOMATCH 0x40000000 -#define FF_LOGGING (FF_LOGPASS|FF_LOGBLOCK|FF_LOGNOMATCH) -#define FF_BLOCKNONIP 0x80000000 /* Solaris2 Only */ - - -/* - * Structure that passes information on what/how to flush to the kernel. - */ -typedef struct ipfflush { - int ipflu_how; - int ipflu_arg; -} ipfflush_t; - - -/* - * - */ -typedef struct ipfgetctl { - u_int ipfg_min; /* min value */ - u_int ipfg_current; /* current value */ - u_int ipfg_max; /* max value */ - u_int ipfg_default; /* default value */ - u_int ipfg_steps; /* value increments */ - char ipfg_name[40]; /* tag name for this control */ -} ipfgetctl_t; - -typedef struct ipfsetctl { - int ipfs_which; /* 0 = min 1 = current 2 = max 3 = default */ - u_int ipfs_value; /* min value */ - char ipfs_name[40]; /* tag name for this control */ -} ipfsetctl_t; - - -/* - * Some of the statistics below are in their own counters, but most are kept - * in this single structure so that they can all easily be collected and - * copied back as required. - */ -typedef struct filterstats { - u_long fr_pass; /* packets allowed */ - u_long fr_block; /* packets denied */ - u_long fr_nom; /* packets which don't match any rule */ - u_long fr_short; /* packets which are short */ - u_long fr_ppkl; /* packets allowed and logged */ - u_long fr_bpkl; /* packets denied and logged */ - u_long fr_npkl; /* packets unmatched and logged */ - u_long fr_pkl; /* packets logged */ - u_long fr_skip; /* packets to be logged but buffer full */ - u_long fr_ret; /* packets for which a return is sent */ - u_long fr_acct; /* packets for which counting was performed */ - u_long fr_bnfr; /* bad attempts to allocate fragment state */ - u_long fr_nfr; /* new fragment state kept */ - u_long fr_cfr; /* add new fragment state but complete pkt */ - u_long fr_bads; /* bad attempts to allocate packet state */ - u_long fr_ads; /* new packet state kept */ - u_long fr_chit; /* cached hit */ - u_long fr_tcpbad; /* TCP checksum check failures */ - u_long fr_pull[2]; /* good and bad pullup attempts */ - u_long fr_badsrc; /* source received doesn't match route */ - u_long fr_badttl; /* TTL in packet doesn't reach minimum */ - u_long fr_bad; /* bad IP packets to the filter */ - u_long fr_ipv6; /* IPv6 packets in/out */ - u_long fr_ppshit; /* dropped because of pps ceiling */ - u_long fr_ipud; /* IP id update failures */ -} filterstats_t; - -/* - * Log structure. Each packet header logged is prepended by one of these. - * Following this in the log records read from the device will be an ipflog - * structure which is then followed by any packet data. - */ -typedef struct iplog { - u_32_t ipl_magic; - u_int ipl_count; - struct timeval ipl_time; - size_t ipl_dsize; - struct iplog *ipl_next; -} iplog_t; - -#define ipl_sec ipl_time.tv_sec -#define ipl_usec ipl_time.tv_usec - -#define IPL_MAGIC 0x49504c4d /* 'IPLM' */ -#define IPL_MAGIC_NAT 0x49504c4e /* 'IPLN' */ -#define IPL_MAGIC_STATE 0x49504c53 /* 'IPLS' */ -#define IPLOG_SIZE sizeof(iplog_t) - -typedef struct ipflog { -#if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199603)) || \ - (defined(OpenBSD) && (OpenBSD >= 199603)) -#else - u_int fl_unit; -#endif - u_32_t fl_rule; - u_32_t fl_flags; - u_32_t fl_lflags; - u_32_t fl_logtag; - ipftag_t fl_nattag; - u_short fl_plen; /* extra data after hlen */ - u_short fl_loglevel; /* syslog log level */ - char fl_group[FR_GROUPLEN]; - u_char fl_hlen; /* length of IP headers saved */ - u_char fl_dir; - u_char fl_xxx[2]; /* pad */ - char fl_ifname[LIFNAMSIZ]; -} ipflog_t; - -#ifndef IPF_LOGGING -# define IPF_LOGGING 0 -#endif -#ifndef IPF_DEFAULT_PASS -# define IPF_DEFAULT_PASS FR_PASS -#endif - -#define DEFAULT_IPFLOGSIZE 8192 -#ifndef IPFILTER_LOGSIZE -# define IPFILTER_LOGSIZE DEFAULT_IPFLOGSIZE -#else -# if IPFILTER_LOGSIZE < DEFAULT_IPFLOGSIZE -# error IPFILTER_LOGSIZE too small. Must be >= DEFAULT_IPFLOGSIZE -# endif -#endif - -#define IPF_OPTCOPY 0x07ff00 /* bit mask of copied options */ - -/* - * Device filenames for reading log information. Use ipf on Solaris2 because - * ipl is already a name used by something else. - */ -#ifndef IPL_NAME -# if SOLARIS -# define IPL_NAME "/dev/ipf" -# else -# define IPL_NAME "/dev/ipl" -# endif -#endif -/* - * Pathnames for various IP Filter control devices. Used by LKM - * and userland, so defined here. - */ -#define IPNAT_NAME "/dev/ipnat" -#define IPSTATE_NAME "/dev/ipstate" -#define IPAUTH_NAME "/dev/ipauth" -#define IPSYNC_NAME "/dev/ipsync" -#define IPSCAN_NAME "/dev/ipscan" -#define IPLOOKUP_NAME "/dev/iplookup" - -#define IPL_LOGIPF 0 /* Minor device #'s for accessing logs */ -#define IPL_LOGNAT 1 -#define IPL_LOGSTATE 2 -#define IPL_LOGAUTH 3 -#define IPL_LOGSYNC 4 -#define IPL_LOGSCAN 5 -#define IPL_LOGLOOKUP 6 -#define IPL_LOGCOUNT 7 -#define IPL_LOGMAX 7 -#define IPL_LOGSIZE IPL_LOGMAX + 1 -#define IPL_LOGALL -1 -#define IPL_LOGNONE -2 - -/* - * For SIOCGETFS - */ -typedef struct friostat { - struct filterstats f_st[2]; - struct frentry *f_ipf[2][2]; - struct frentry *f_acct[2][2]; - struct frentry *f_ipf6[2][2]; - struct frentry *f_acct6[2][2]; - struct frentry *f_auth; - struct frgroup *f_groups[IPL_LOGSIZE][2]; - u_long f_froute[2]; - u_long f_ticks; - int f_locks[IPL_LOGMAX]; - size_t f_kmutex_sz; - size_t f_krwlock_sz; - int f_defpass; /* default pass - from fr_pass */ - int f_active; /* 1 or 0 - active rule set */ - int f_running; /* 1 if running, else 0 */ - int f_logging; /* 1 if enabled, else 0 */ - int f_features; - char f_version[32]; /* version string */ -} friostat_t; - -#define f_fin f_ipf[0] -#define f_fin6 f_ipf6[0] -#define f_fout f_ipf[1] -#define f_fout6 f_ipf6[1] -#define f_acctin f_acct[0] -#define f_acctin6 f_acct6[0] -#define f_acctout f_acct[1] -#define f_acctout6 f_acct6[1] - -#define IPF_FEAT_LKM 0x001 -#define IPF_FEAT_LOG 0x002 -#define IPF_FEAT_LOOKUP 0x004 -#define IPF_FEAT_BPF 0x008 -#define IPF_FEAT_COMPILED 0x010 -#define IPF_FEAT_CKSUM 0x020 -#define IPF_FEAT_SYNC 0x040 -#define IPF_FEAT_SCAN 0x080 -#define IPF_FEAT_IPV6 0x100 - -typedef struct optlist { - u_short ol_val; - int ol_bit; -} optlist_t; - - -/* - * Group list structure. - */ -typedef struct frgroup { - struct frgroup *fg_next; - struct frentry *fg_head; - struct frentry *fg_start; - u_32_t fg_flags; - int fg_ref; - char fg_name[FR_GROUPLEN]; -} frgroup_t; - -#define FG_NAME(g) (*(g)->fg_name == '\0' ? "" : (g)->fg_name) - - -/* - * Used by state and NAT tables - */ -typedef struct icmpinfo { - u_short ici_id; - u_short ici_seq; - u_char ici_type; -} icmpinfo_t; - -typedef struct udpinfo { - u_short us_sport; - u_short us_dport; -} udpinfo_t; - - -typedef struct tcpdata { - u_32_t td_end; - u_32_t td_maxend; - u_32_t td_maxwin; - u_32_t td_winscale; - u_32_t td_maxseg; - int td_winflags; -} tcpdata_t; - -#define TCP_WSCALE_MAX 14 - -#define TCP_WSCALE_SEEN 0x00000001 -#define TCP_WSCALE_FIRST 0x00000002 - - -typedef struct tcpinfo { - u_short ts_sport; - u_short ts_dport; - tcpdata_t ts_data[2]; -} tcpinfo_t; - - -struct grebits { - u_32_t grb_C:1; - u_32_t grb_R:1; - u_32_t grb_K:1; - u_32_t grb_S:1; - u_32_t grb_s:1; - u_32_t grb_recur:1; - u_32_t grb_A:1; - u_32_t grb_flags:3; - u_32_t grb_ver:3; - u_short grb_ptype; -}; - -typedef struct grehdr { - union { - struct grebits gru_bits; - u_short gru_flags; - } gr_un; - u_short gr_len; - u_short gr_call; -} grehdr_t; - -#define gr_flags gr_un.gru_flags -#define gr_bits gr_un.gru_bits -#define gr_ptype gr_bits.grb_ptype -#define gr_C gr_bits.grb_C -#define gr_R gr_bits.grb_R -#define gr_K gr_bits.grb_K -#define gr_S gr_bits.grb_S -#define gr_s gr_bits.grb_s -#define gr_recur gr_bits.grb_recur -#define gr_A gr_bits.grb_A -#define gr_ver gr_bits.grb_ver - - -typedef struct greinfo { - u_short gs_call[2]; - u_short gs_flags; - u_short gs_ptype; -} greinfo_t; - -#define GRE_REV(x) ((ntohs(x) >> 13) & 7) - - -/* - * Timeout tail queue list member - */ -typedef struct ipftqent { - struct ipftqent **tqe_pnext; - struct ipftqent *tqe_next; - struct ipftq *tqe_ifq; - void *tqe_parent; /* pointer back to NAT/state struct */ - u_long tqe_die; /* when this entriy is to die */ - u_long tqe_touched; - int tqe_flags; - int tqe_state[2]; /* current state of this entry */ -} ipftqent_t; - -#define TQE_RULEBASED 0x00000001 - - -/* - * Timeout tail queue head for IPFilter - */ -typedef struct ipftq { - ipfmutex_t ifq_lock; - u_int ifq_ttl; - ipftqent_t *ifq_head; - ipftqent_t **ifq_tail; - struct ipftq *ifq_next; - struct ipftq **ifq_pnext; - int ifq_ref; - u_int ifq_flags; -} ipftq_t; - -#define IFQF_USER 0x01 /* User defined aging */ -#define IFQF_DELETE 0x02 /* Marked for deletion */ -#define IFQF_PROXY 0x04 /* Timeout queue in use by a proxy */ - -#define IPF_HZ_MULT 1 -#define IPF_HZ_DIVIDE 2 /* How many times a second ipfilter */ - /* checks its timeout queues. */ -#define IPF_TTLVAL(x) (((x) / IPF_HZ_MULT) * IPF_HZ_DIVIDE) - -/* - * Structure to define address for pool lookups. - */ -typedef struct { - u_char adf_len; - i6addr_t adf_addr; -} addrfamily_t; - - -/* - * Object structure description. For passing through in ioctls. - */ -typedef struct ipfobj { - u_32_t ipfo_rev; /* IPFilter version number */ - u_32_t ipfo_size; /* size of object at ipfo_ptr */ - void *ipfo_ptr; /* pointer to object */ - int ipfo_type; /* type of object being pointed to */ - int ipfo_offset; /* bytes from ipfo_ptr where to start */ - u_char ipfo_xxxpad[32]; /* reserved for future use */ -} ipfobj_t; - -#define IPFOBJ_FRENTRY 0 /* struct frentry */ -#define IPFOBJ_IPFSTAT 1 /* struct friostat */ -#define IPFOBJ_IPFINFO 2 /* struct fr_info */ -#define IPFOBJ_AUTHSTAT 3 /* struct fr_authstat */ -#define IPFOBJ_FRAGSTAT 4 /* struct ipfrstat */ -#define IPFOBJ_IPNAT 5 /* struct ipnat */ -#define IPFOBJ_NATSTAT 6 /* struct natstat */ -#define IPFOBJ_STATESAVE 7 /* struct ipstate_save */ -#define IPFOBJ_NATSAVE 8 /* struct nat_save */ -#define IPFOBJ_NATLOOKUP 9 /* struct natlookup */ -#define IPFOBJ_IPSTATE 10 /* struct ipstate */ -#define IPFOBJ_STATESTAT 11 /* struct ips_stat */ -#define IPFOBJ_FRAUTH 12 /* struct frauth */ -#define IPFOBJ_TUNEABLE 13 /* struct ipftune */ - - -typedef union ipftunevalptr { - void *ipftp_void; - u_long *ipftp_long; - u_int *ipftp_int; - u_short *ipftp_short; - u_char *ipftp_char; -} ipftunevalptr_t; - -typedef struct ipftuneable { - ipftunevalptr_t ipft_una; - char *ipft_name; - u_long ipft_min; - u_long ipft_max; - int ipft_sz; - int ipft_flags; - struct ipftuneable *ipft_next; -} ipftuneable_t; - -#define ipft_addr ipft_una.ipftp_void -#define ipft_plong ipft_una.ipftp_long -#define ipft_pint ipft_una.ipftp_int -#define ipft_pshort ipft_una.ipftp_short -#define ipft_pchar ipft_una.ipftp_char - -#define IPFT_RDONLY 1 /* read-only */ -#define IPFT_WRDISABLED 2 /* write when disabled only */ - -typedef union ipftuneval { - u_long ipftu_long; - u_int ipftu_int; - u_short ipftu_short; - u_char ipftu_char; -} ipftuneval_t; - -typedef struct ipftune { - void *ipft_cookie; - ipftuneval_t ipft_un; - u_long ipft_min; - u_long ipft_max; - int ipft_sz; - int ipft_flags; - char ipft_name[80]; -} ipftune_t; - -#define ipft_vlong ipft_un.ipftu_long -#define ipft_vint ipft_un.ipftu_int -#define ipft_vshort ipft_un.ipftu_short -#define ipft_vchar ipft_un.ipftu_char - - -/* -** HPUX Port -*/ -#ifdef __hpux -/* HP-UX locking sequence deadlock detection module lock MAJOR ID */ -# define IPF_SMAJ 0 /* temp assignment XXX, not critical */ -#endif - -#if !defined(CDEV_MAJOR) && defined (__FreeBSD_version) && \ - (__FreeBSD_version >= 220000) -# define CDEV_MAJOR 79 -#endif - -/* - * Post NetBSD 1.2 has the PFIL interface for packet filters. This turns - * on those hooks. We don't need any special mods in non-IP Filter code - * with this! - */ -#if (defined(NetBSD) && (NetBSD > 199609) && (NetBSD <= 1991011)) || \ - (defined(NetBSD1_2) && NetBSD1_2 > 1) || \ - (defined(__FreeBSD__) && (__FreeBSD_version >= 500043)) -# if (NetBSD >= 199905) -# define PFIL_HOOKS -# endif -# ifdef PFIL_HOOKS -# define NETBSD_PF -# endif -#endif - -#ifndef _KERNEL -extern int fr_check __P((struct ip *, int, void *, int, mb_t **)); -extern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **)); -extern int ipf_log __P((void)); -extern struct ifnet *get_unit __P((char *, int)); -extern char *get_ifname __P((struct ifnet *)); -# if defined(__NetBSD__) || defined(__OpenBSD__) || \ - (_BSDI_VERSION >= 199701) || (__FreeBSD_version >= 300000) -extern int iplioctl __P((int, ioctlcmd_t, caddr_t, int)); -# else -extern int iplioctl __P((int, ioctlcmd_t, caddr_t, int)); -# endif -extern int iplopen __P((dev_t, int)); -extern int iplclose __P((dev_t, int)); -extern void m_freem __P((mb_t *)); -#else /* #ifndef _KERNEL */ -# if defined(__NetBSD__) && defined(PFIL_HOOKS) -extern void ipfilterattach __P((int)); -# endif -extern int ipl_enable __P((void)); -extern int ipl_disable __P((void)); -# ifdef MENTAT -extern int fr_check __P((struct ip *, int, void *, int, void *, - mblk_t **)); -# if SOLARIS -# if SOLARIS2 >= 7 -extern int iplioctl __P((dev_t, int, intptr_t, int, cred_t *, int *)); -# else -extern int iplioctl __P((dev_t, int, int *, int, cred_t *, int *)); -# endif -extern int iplopen __P((dev_t *, int, int, cred_t *)); -extern int iplclose __P((dev_t, int, int, cred_t *)); -extern int iplread __P((dev_t, uio_t *, cred_t *)); -extern int iplwrite __P((dev_t, uio_t *, cred_t *)); -# endif -# ifdef __hpux -extern int iplopen __P((dev_t, int, intptr_t, int)); -extern int iplclose __P((dev_t, int, int)); -extern int iplioctl __P((dev_t, int, caddr_t, int)); -extern int iplread __P((dev_t, uio_t *)); -extern int iplwrite __P((dev_t, uio_t *)); -extern int iplselect __P((dev_t, int)); -# endif -extern int ipfsync __P((void)); -extern int fr_qout __P((queue_t *, mblk_t *)); -# else /* MENTAT */ -extern int fr_check __P((struct ip *, int, void *, int, mb_t **)); -extern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **)); -extern size_t mbufchainlen __P((mb_t *)); -# ifdef __sgi -# include <sys/cred.h> -extern int iplioctl __P((dev_t, int, caddr_t, int, cred_t *, int *)); -extern int iplopen __P((dev_t *, int, int, cred_t *)); -extern int iplclose __P((dev_t, int, int, cred_t *)); -extern int iplread __P((dev_t, uio_t *, cred_t *)); -extern int iplwrite __P((dev_t, uio_t *, cred_t *)); -extern int ipfsync __P((void)); -extern int ipfilter_sgi_attach __P((void)); -extern void ipfilter_sgi_detach __P((void)); -extern void ipfilter_sgi_intfsync __P((void)); -# else -# ifdef IPFILTER_LKM -extern int iplidentify __P((char *)); -# endif -# if (_BSDI_VERSION >= 199510) || (__FreeBSD_version >= 220000) || \ - (NetBSD >= 199511) || defined(__OpenBSD__) -# if defined(__NetBSD__) || (_BSDI_VERSION >= 199701) || \ - defined(__OpenBSD__) || (__FreeBSD_version >= 300000) -# if (__FreeBSD_version >= 500024) -# if (__FreeBSD_version >= 502116) -extern int iplioctl __P((struct cdev*, u_long, caddr_t, int, struct thread *)); -# else -extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct thread *)); -# endif /* __FreeBSD_version >= 502116 */ -# else -extern int iplioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); -# endif /* __FreeBSD_version >= 500024 */ -# else -extern int iplioctl __P((dev_t, int, caddr_t, int, struct proc *)); -# endif -# if (__FreeBSD_version >= 500024) -# if (__FreeBSD_version >= 502116) -extern int iplopen __P((struct cdev*, int, int, struct thread *)); -extern int iplclose __P((struct cdev*, int, int, struct thread *)); -# else -extern int iplopen __P((dev_t, int, int, struct thread *)); -extern int iplclose __P((dev_t, int, int, struct thread *)); -# endif /* __FreeBSD_version >= 502116 */ -# else -extern int iplopen __P((dev_t, int, int, struct proc *)); -extern int iplclose __P((dev_t, int, int, struct proc *)); -# endif /* __FreeBSD_version >= 500024 */ -# else -# ifdef linux -extern int iplioctl __P((struct inode *, struct file *, u_int, u_long)); -# else -extern int iplopen __P((dev_t, int)); -extern int iplclose __P((dev_t, int)); -extern int iplioctl __P((dev_t, int, caddr_t, int)); -# endif -# endif /* (_BSDI_VERSION >= 199510) */ -# if BSD >= 199306 -# if (__FreeBSD_version >= 502116) -extern int iplread __P((struct cdev*, struct uio *, int)); -extern int iplwrite __P((struct cdev*, struct uio *, int)); -# else -extern int iplread __P((dev_t, struct uio *, int)); -extern int iplwrite __P((dev_t, struct uio *, int)); -# endif /* __FreeBSD_version >= 502116 */ -# else -# ifndef linux -extern int iplread __P((dev_t, struct uio *)); -extern int iplwrite __P((dev_t, struct uio *)); -# endif -# endif /* BSD >= 199306 */ -# endif /* __ sgi */ -# endif /* MENTAT */ - -#endif /* #ifndef _KERNEL */ - -extern ipfmutex_t ipl_mutex, ipf_authmx, ipf_rw, ipf_hostmap; -extern ipfmutex_t ipf_timeoutlock, ipf_stinsert, ipf_natio, ipf_nat_new; -extern ipfrwlock_t ipf_mutex, ipf_global, ip_poolrw, ipf_ipidfrag; -extern ipfrwlock_t ipf_frag, ipf_state, ipf_nat, ipf_natfrag, ipf_auth; - -extern char *memstr __P((char *, char *, int, int)); -extern int count4bits __P((u_32_t)); -extern int frrequest __P((int, ioctlcmd_t, caddr_t, int, int)); -extern char *getifname __P((struct ifnet *)); -extern int iplattach __P((void)); -extern int ipldetach __P((void)); -extern u_short ipf_cksum __P((u_short *, int)); -extern int copyinptr __P((void *, void *, size_t)); -extern int copyoutptr __P((void *, void *, size_t)); -extern int fr_fastroute __P((mb_t *, mb_t **, fr_info_t *, frdest_t *)); -extern int fr_inobj __P((void *, void *, int)); -extern int fr_inobjsz __P((void *, void *, int, int)); -extern int fr_ioctlswitch __P((int, void *, ioctlcmd_t, int)); -extern int fr_ipftune __P((ioctlcmd_t, void *)); -extern int fr_outobj __P((void *, void *, int)); -extern int fr_outobjsz __P((void *, void *, int, int)); -extern void *fr_pullup __P((mb_t *, fr_info_t *, int)); -extern void fr_resolvedest __P((struct frdest *, int)); -extern int fr_resolvefunc __P((void *)); -extern void *fr_resolvenic __P((char *, int)); -extern int fr_send_icmp_err __P((int, fr_info_t *, int)); -extern int fr_send_reset __P((fr_info_t *)); -#if (__FreeBSD_version < 490000) || !defined(_KERNEL) -extern int ppsratecheck __P((struct timeval *, int *, int)); -#endif -extern ipftq_t *fr_addtimeoutqueue __P((ipftq_t **, u_int)); -extern void fr_deletequeueentry __P((ipftqent_t *)); -extern int fr_deletetimeoutqueue __P((ipftq_t *)); -extern void fr_freetimeoutqueue __P((ipftq_t *)); -extern void fr_movequeue __P((ipftqent_t *, ipftq_t *, ipftq_t *)); -extern void fr_queueappend __P((ipftqent_t *, ipftq_t *, void *)); -extern void fr_queueback __P((ipftqent_t *)); -extern void fr_queuefront __P((ipftqent_t *)); -extern void fr_checkv4sum __P((fr_info_t *)); -extern int fr_checkl4sum __P((fr_info_t *)); -extern int fr_ifpfillv4addr __P((int, struct sockaddr_in *, - struct sockaddr_in *, struct in_addr *, - struct in_addr *)); -extern int fr_coalesce __P((fr_info_t *)); -#ifdef USE_INET6 -extern void fr_checkv6sum __P((fr_info_t *)); -extern int fr_ifpfillv6addr __P((int, struct sockaddr_in6 *, - struct sockaddr_in6 *, struct in_addr *, - struct in_addr *)); -#endif - -extern int fr_addipftune __P((ipftuneable_t *)); -extern int fr_delipftune __P((ipftuneable_t *)); - -extern int frflush __P((minor_t, int, int)); -extern void frsync __P((void *)); -extern frgroup_t *fr_addgroup __P((char *, void *, u_32_t, minor_t, int)); -extern int fr_derefrule __P((frentry_t **)); -extern void fr_delgroup __P((char *, minor_t, int)); -extern frgroup_t *fr_findgroup __P((char *, minor_t, int, frgroup_t ***)); - -extern int fr_loginit __P((void)); -extern int ipflog_clear __P((minor_t)); -extern int ipflog_read __P((minor_t, uio_t *)); -extern int ipflog __P((fr_info_t *, u_int)); -extern int ipllog __P((int, fr_info_t *, void **, size_t *, int *, int)); -extern void fr_logunload __P((void)); - -extern frentry_t *fr_acctpkt __P((fr_info_t *, u_32_t *)); -extern int fr_copytolog __P((int, char *, int)); -extern u_short fr_cksum __P((mb_t *, ip_t *, int, void *)); -extern void fr_deinitialise __P((void)); -extern frentry_t *fr_dolog __P((fr_info_t *, u_32_t *)); -extern frentry_t *fr_dstgrpmap __P((fr_info_t *, u_32_t *)); -extern void fr_fixskip __P((frentry_t **, frentry_t *, int)); -extern void fr_forgetifp __P((void *)); -extern frentry_t *fr_getrulen __P((int, char *, u_32_t)); -extern void fr_getstat __P((struct friostat *)); -extern int fr_icmp4errortype __P((int)); -extern int fr_ifpaddr __P((int, int, void *, - struct in_addr *, struct in_addr *)); -extern int fr_initialise __P((void)); -extern void fr_lock __P((caddr_t, int *)); -extern int fr_makefrip __P((int, ip_t *, fr_info_t *)); -extern int fr_matchtag __P((ipftag_t *, ipftag_t *)); -extern int fr_matchicmpqueryreply __P((int, icmpinfo_t *, - struct icmp *, int)); -extern u_32_t fr_newisn __P((fr_info_t *)); -extern u_short fr_nextipid __P((fr_info_t *)); -extern int fr_rulen __P((int, frentry_t *)); -extern int fr_scanlist __P((fr_info_t *, u_32_t)); -extern frentry_t *fr_srcgrpmap __P((fr_info_t *, u_32_t *)); -extern int fr_tcpudpchk __P((fr_info_t *, frtuc_t *)); -extern int fr_verifysrc __P((fr_info_t *fin)); -extern int fr_zerostats __P((char *)); - -extern int fr_running; -extern u_long fr_frouteok[2]; -extern int fr_pass; -extern int fr_flags; -extern int fr_active; -extern int fr_chksrc; -extern int fr_minttl; -extern int fr_refcnt; -extern int fr_control_forwarding; -extern int fr_update_ipid; -extern int nat_logging; -extern int ipstate_logging; -extern int ipl_suppress; -extern int ipl_buffer_sz; -extern int ipl_logmax; -extern int ipl_logall; -extern int ipl_logsize; -extern u_long fr_ticks; -extern fr_info_t frcache[2][8]; -extern char ipfilter_version[]; -extern iplog_t **iplh[IPL_LOGMAX+1], *iplt[IPL_LOGMAX+1]; -extern int iplused[IPL_LOGMAX + 1]; -extern struct frentry *ipfilter[2][2], *ipacct[2][2]; -#ifdef USE_INET6 -extern struct frentry *ipfilter6[2][2], *ipacct6[2][2]; -extern int icmptoicmp6types[ICMP_MAXTYPE+1]; -extern int icmptoicmp6unreach[ICMP_MAX_UNREACH]; -extern int icmpreplytype6[ICMP6_MAXTYPE + 1]; -#endif -extern int icmpreplytype4[ICMP_MAXTYPE + 1]; -extern struct frgroup *ipfgroups[IPL_LOGSIZE][2]; -extern struct filterstats frstats[]; -extern frentry_t *ipfrule_match __P((fr_info_t *)); -extern u_char ipf_iss_secret[32]; -extern ipftuneable_t ipf_tuneables[]; - -#endif /* __IP_FIL_H__ */ |
