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-rw-r--r--sys/contrib/ipfilter/netinet/ip_fil.h88
1 files changed, 50 insertions, 38 deletions
diff --git a/sys/contrib/ipfilter/netinet/ip_fil.h b/sys/contrib/ipfilter/netinet/ip_fil.h
index 2934f7d..b63769a 100644
--- a/sys/contrib/ipfilter/netinet/ip_fil.h
+++ b/sys/contrib/ipfilter/netinet/ip_fil.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 1993-2001 by Darren Reed.
+ * Copyright (C) 1993-2002 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
@@ -35,6 +35,10 @@
# endif
#endif
+#ifndef offsetof
+# define offsetof(t,m) (int)((&((t *)0L)->m))
+#endif
+
#if defined(__STDC__) || defined(__GNUC__)
# define SIOCADAFR _IOW('r', 60, struct frentry *)
# define SIOCRMAFR _IOW('r', 61, struct frentry *)
@@ -52,8 +56,8 @@
# define SIOCFRSYN _IOW('r', 73, u_int)
# define SIOCFRZST _IOWR('r', 74, struct friostat *)
# define SIOCZRLST _IOWR('r', 75, struct frentry *)
-# define SIOCAUTHW _IOWR('r', 76, struct fr_info *)
-# define SIOCAUTHR _IOWR('r', 77, struct fr_info *)
+# define SIOCAUTHW _IOWR('r', 76, struct frauth_t *)
+# define SIOCAUTHR _IOWR('r', 77, struct frauth_t *)
# define SIOCATHST _IOWR('r', 78, struct fr_authstat *)
# define SIOCSTLCK _IOWR('r', 79, u_int)
# define SIOCSTPUT _IOWR('r', 80, struct ipstate_save *)
@@ -77,8 +81,8 @@
# define SIOCFRSYN _IOW(r, 73, u_int)
# define SIOCFRZST _IOWR(r, 74, struct friostat *)
# define SIOCZRLST _IOWR(r, 75, struct frentry *)
-# define SIOCAUTHW _IOWR(r, 76, struct fr_info *)
-# define SIOCAUTHR _IOWR(r, 77, struct fr_info *)
+# define SIOCAUTHW _IOWR(r, 76, struct frauth_t *)
+# define SIOCAUTHR _IOWR(r, 77, struct frauth_t *)
# define SIOCATHST _IOWR(r, 78, struct fr_authstat *)
# define SIOCSTLCK _IOWR(r, 79, u_int)
# define SIOCSTPUT _IOWR(r, 80, struct ipstate_save *)
@@ -124,7 +128,9 @@ typedef struct fr_ip {
#define FI_W_SADDR 0x00000400
#define FI_W_DADDR 0x00000800
#define FI_WILDA (FI_W_SADDR|FI_W_DADDR)
-#define FI_NEWFR 0x00001000
+#define FI_NEWFR 0x00001000 /* Create a filter rule */
+#define FI_IGNOREPKT 0x00002000 /* Do not treat as a real packet */
+#define FI_NORULE 0x00004000 /* Not direct a result of a rule */
typedef struct fr_info {
void *fin_ifp; /* interface packet is `on' */
@@ -136,10 +142,12 @@ typedef struct fr_info {
u_char fin_tcpf; /* TCP header flags (SYN, ACK, etc) */
/* From here on is packet specific */
u_char fin_icode; /* ICMP error to return */
- u_short fin_rule; /* rule # last matched */
+ u_32_t fin_rule; /* rule # last matched */
u_32_t fin_group; /* group number, -1 for none */
struct frentry *fin_fr; /* last matching rule */
char *fin_dp; /* start of data past IP header */
+ u_short fin_plen;
+ u_short fin_off;
u_short fin_dlen; /* length of data portion of packet */
u_short fin_id; /* IP packet id field */
void *fin_mp; /* pointer to pointer to mbuf */
@@ -147,19 +155,21 @@ typedef struct fr_info {
void *fin_qfm; /* pointer to mblk where pkt starts */
void *fin_qif;
#endif
- u_short fin_plen;
- u_short fin_off;
} fr_info_t;
#define fin_v fin_fi.fi_v
+#define fin_p fin_fi.fi_p
#define fin_saddr fin_fi.fi_saddr
+#define fin_src fin_fi.fi_src.in4
#define fin_daddr fin_fi.fi_daddr
+#define fin_dst fin_fi.fi_dst.in4
#define fin_fl fin_fi.fi_fl
/*
* 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
@@ -168,13 +178,16 @@ typedef struct fr_info {
typedef struct frdest {
void *fd_ifp;
- struct in_addr fd_ip;
- char fd_ifname[IFNAMSIZ];
+ union i6addr fd_ip6;
+ char fd_ifname[LIFNAMSIZ];
#if SOLARIS
mb_t *fd_mp; /* cache resolver for to/dup-to */
#endif
} frdest_t;
+#define fd_ip fd_ip6.in4
+
+
typedef struct frpcmp {
int frp_cmp; /* data for port comparisons */
u_short frp_port; /* top port for <> and >< */
@@ -199,10 +212,7 @@ typedef struct frentry {
struct frentry *fr_next;
struct frentry *fr_grp;
int fr_ref; /* reference count - for grouping */
- void *fr_ifa;
-#if BSD >= 199306
- void *fr_oifa;
-#endif
+ void *fr_ifas[4];
/*
* These are only incremented when a packet matches this rule and
* it is the last match
@@ -219,6 +229,7 @@ typedef struct frentry {
u_short fr_icmpm; /* data for ICMP packets (mask) */
u_short fr_icmp;
+ u_int fr_age[2]; /* aging for state */
frtuc_t fr_tuc;
u_32_t fr_group; /* group to which this rule belongs */
u_32_t fr_grhead; /* group # which this rule starts */
@@ -228,10 +239,7 @@ typedef struct frentry {
int (*fr_func) __P((int, ip_t *, fr_info_t *)); /* call this function */
int fr_sap; /* For solaris only */
u_char fr_icode; /* return ICMP code */
- char fr_ifname[IFNAMSIZ];
-#if BSD >= 199306
- char fr_oifname[IFNAMSIZ];
-#endif
+ char fr_ifnames[4][LIFNAMSIZ];
struct frdest fr_tif; /* "to" interface */
struct frdest fr_dif; /* duplicate packet interfaces */
u_int fr_cksum; /* checksum on filter rules for performance */
@@ -253,10 +261,11 @@ typedef struct frentry {
#define fr_src fr_ip.fi_src.in4
#define fr_dmsk fr_mip.fi_dst.in4
#define fr_smsk fr_mip.fi_src.in4
+#define fr_ifname fr_ifnames[0]
+#define fr_oifname fr_ifnames[2]
+#define fr_ifa fr_ifas[0]
+#define fr_oifa fr_ifas[2]
-#ifndef offsetof
-#define offsetof(t,m) (int)((&((t *)0L)->m))
-#endif
#define FR_CMPSIZ (sizeof(struct frentry) - offsetof(frentry_t, fr_ip))
/*
@@ -269,8 +278,8 @@ typedef struct frentry {
#define FR_LOG 0x00010 /* Log */
#define FR_LOGB 0x00011 /* Log-fail */
#define FR_LOGP 0x00012 /* Log-pass */
-#define FR_LOGBODY 0x00020 /* Log the body */
-#define FR_LOGFIRST 0x00040 /* Log the first byte if state held */
+#define FR_NOTSRCIP 0x00020 /* not the src IP# */
+#define FR_NOTDSTIP 0x00040 /* not the dst IP# */
#define FR_RETRST 0x00080 /* Return TCP RST packet - reset connection */
#define FR_RETICMP 0x00100 /* Return ICMP unreachable packet */
#define FR_FAKEICMP 0x00180 /* Return ICMP unreachable with fake source */
@@ -284,8 +293,8 @@ typedef struct frentry {
#define FR_CALLNOW 0x10000 /* call another function (fr_func) if matches */
#define FR_DUP 0x20000 /* duplicate packet */
#define FR_LOGORBLOCK 0x40000 /* block the packet if it can't be logged */
-#define FR_NOTSRCIP 0x80000 /* not the src IP# */
-#define FR_NOTDSTIP 0x100000 /* not the dst IP# */
+#define FR_LOGBODY 0x80000 /* Log the body */
+#define FR_LOGFIRST 0x100000 /* Log the first byte if state held */
#define FR_AUTH 0x200000 /* use authentication */
#define FR_PREAUTH 0x400000 /* require preauthentication */
#define FR_DONTCACHE 0x800000 /* don't cache the result */
@@ -407,15 +416,16 @@ typedef struct iplog {
struct iplog *ipl_next;
} iplog_t;
-#define IPL_MAGIC 0x49504c4d /* 'IPLM' */
+#define IPL_MAGIC 0x49504c4d /* 'IPLM' */
+#define IPLOG_SIZE sizeof(iplog_t)
typedef struct ipflog {
#if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199603)) || \
(defined(OpenBSD) && (OpenBSD >= 199603))
- u_char fl_ifname[IFNAMSIZ];
+ u_char fl_ifname[LIFNAMSIZ];
#else
u_int fl_unit;
- u_char fl_ifname[4];
+ u_char fl_ifname[LIFNAMSIZ];
#endif
u_char fl_plen; /* extra data after hlen */
u_char fl_hlen; /* length of IP headers saved */
@@ -423,7 +433,8 @@ typedef struct ipflog {
u_32_t fl_rule;
u_32_t fl_group;
u_32_t fl_flags;
- u_32_t fl_lflags;
+ u_char fl_dir;
+ u_char fl_pad[3];
} ipflog_t;
@@ -487,11 +498,11 @@ typedef struct ipflog {
#ifndef _KERNEL
-struct ifnet;
+extern char *get_ifname __P((struct ifnet *));
extern int fr_check __P((ip_t *, int, void *, int, mb_t **));
extern int (*fr_checkp) __P((ip_t *, int, void *, int, mb_t **));
-extern int send_reset __P((ip_t *, struct ifnet *));
-extern int icmp_error __P((ip_t *, struct ifnet *));
+extern int send_reset __P((ip_t *, fr_info_t *));
+extern int send_icmp_err __P((ip_t *, int, fr_info_t *, int));
extern int ipf_log __P((void));
extern struct ifnet *get_unit __P((char *, int));
# if defined(__NetBSD__) || defined(__OpenBSD__) || \
@@ -509,11 +520,6 @@ extern void ipfilterattach __P((int));
extern int iplattach __P((void));
extern int ipl_enable __P((void));
extern int ipl_disable __P((void));
-extern void ipflog_init __P((void));
-extern int ipflog_clear __P((minor_t));
-extern int ipflog_read __P((minor_t, struct uio *));
-extern int ipflog __P((u_int, ip_t *, fr_info_t *, mb_t *));
-extern int ipllog __P((int, fr_info_t *, void **, size_t *, int *, int));
extern int send_icmp_err __P((ip_t *, int, fr_info_t *, int));
extern int send_reset __P((ip_t *, fr_info_t *));
# if SOLARIS
@@ -596,6 +602,12 @@ extern u_short ipf_cksum __P((u_short *, int));
extern int ircopyptr __P((void *, void *, size_t));
extern int iwcopyptr __P((void *, void *, size_t));
+extern void ipflog_init __P((void));
+extern int ipflog_clear __P((minor_t));
+extern int ipflog __P((u_int, ip_t *, fr_info_t *, mb_t *));
+extern int ipllog __P((int, fr_info_t *, void **, size_t *, int *, int));
+extern int ipflog_read __P((minor_t, struct uio *));
+
extern int frflush __P((minor_t, int));
extern void frsync __P((void));
extern frgroup_t *fr_addgroup __P((u_32_t, frentry_t *, minor_t, int));
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