freebsd-skq/usr.sbin/ppp/filter.h
brian 486b8925ec Cosmetic (no functional changes):
o   Add missing $Id$s
o   Move extern decls from .c -> .h files
o   Staticize
o   Remove #includes from .h files
o   style(9)ify includes
o   bcopy -> memcpy
    bzero -> memset
    bcmp -> memcmp
    index -> strchr
    rindex -> strrchr
o   Move timeout.h -> timer.h (making it consistent w/ timer.c)
o   Add -Wmissing-prototypes
1997-10-26 01:04:02 +00:00

88 lines
2.6 KiB
C

/*
* Written by Toshiharu OHNO (tony-o@iij.ad.jp)
*
* Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the Internet Initiative Japan. The name of the
* IIJ may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: filter.h,v 1.9 1997/08/25 00:29:11 brian Exp $
*
* TODO:
*/
/*
* Actions
*/
#define A_NONE 0
#define A_PERMIT 1
#define A_DENY 2
#define A_MASK 3
#define A_UHOST 4
#define A_UPORT 8
/*
* Known protocols
*/
#define P_NONE 0
#define P_TCP 1
#define P_UDP 2
#define P_ICMP 3
/*
* Operations
*/
#define OP_NONE 0
#define OP_EQ 1
#define OP_GT 2
#define OP_LT 4
struct filterent {
int action; /* Filtering action */
int swidth; /* Effective source address width */
struct in_addr saddr; /* Source address */
struct in_addr smask; /* Source address mask */
int dwidth; /* Effective destination address width */
struct in_addr daddr; /* Destination address */
struct in_addr dmask; /* Destination address mask */
int proto; /* Protocol */
struct {
short srcop;
u_short srcport;
short dstop;
u_short dstport;
int estab;
} opt;
};
#define MAXFILTERS 20
#define FL_IN 0
#define FL_OUT 1
#define FL_DIAL 2
#define FL_KEEP 3
extern struct filterent ifilters[MAXFILTERS]; /* incoming packet filter */
extern struct filterent ofilters[MAXFILTERS]; /* outgoing packet filter */
extern struct filterent dfilters[MAXFILTERS]; /* dial-out packet filter */
extern struct filterent afilters[MAXFILTERS]; /* keep-alive packet filter */
extern int ParseAddr(int, char **, struct in_addr *, struct in_addr *, int *);
extern int ShowIfilter(struct cmdtab *, int, char **);
extern int ShowOfilter(struct cmdtab *, int, char **);
extern int ShowDfilter(struct cmdtab *, int, char **);
extern int ShowAfilter(struct cmdtab *, int, char **);
extern int SetIfilter(struct cmdtab *, int, char **);
extern int SetOfilter(struct cmdtab *, int, char **);
extern int SetDfilter(struct cmdtab *, int, char **);
extern int SetAfilter(struct cmdtab *, int, char **);