1537 lines
36 KiB
C
1537 lines
36 KiB
C
/*
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* Copyright (C) 1993-2001 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*/
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#ifdef __FreeBSD__
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# ifndef __FreeBSD_cc_version
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# include <osreldate.h>
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# else
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# if __FreeBSD_cc_version < 430000
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# include <osreldate.h>
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# endif
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# endif
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#endif
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#if defined(__sgi) && (IRIX > 602)
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# include <sys/ptimers.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#if !defined(__SVR4) && !defined(__svr4__)
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# include <strings.h>
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#endif
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/param.h>
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#include <sys/file.h>
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#if defined(STATETOP)
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# if defined(_BSDI_VERSION)
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# undef STATETOP)
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# endif
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# if defined(__FreeBSD__) && \
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(!defined(__FreeBSD_version) || (__FreeBSD_version < 430000))
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# undef STATETOP
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# endif
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# if defined(__NetBSD_Version__)
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# if (__NetBSD_Version__ < 105000000)
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# undef STATETOP
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# else
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# include <poll.h>
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# define USE_POLL
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# endif
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# endif
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# if defined(sun)
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# if defined(__svr4__) || defined(__SVR4)
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# include <sys/select.h>
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# else
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# undef STATETOP /* NOT supported on SunOS4 */
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# endif
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# endif
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <nlist.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <net/if.h>
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#if __FreeBSD_version >= 300000
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# include <net/if_var.h>
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#endif
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#include <netdb.h>
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#include <arpa/nameser.h>
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#include <resolv.h>
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#include <netinet/tcp.h>
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#if defined(STATETOP) && !defined(linux)
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# include <netinet/ip_var.h>
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# include <netinet/tcp_fsm.h>
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#endif
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#include "netinet/ip_compat.h"
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#include "netinet/ip_fil.h"
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#include "ipf.h"
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#include "netinet/ip_nat.h"
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#include "netinet/ip_frag.h"
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#include "netinet/ip_state.h"
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#include "netinet/ip_proxy.h"
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#include "netinet/ip_auth.h"
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#ifdef STATETOP
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# include "netinet/ipl.h"
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# include <ctype.h>
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# if SOLARIS || defined(__NetBSD__) || defined(_BSDI_VERSION) || \
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defined(__sgi)
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# ifdef ERR
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# undef ERR
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# endif
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# include <curses.h>
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# else /* SOLARIS */
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# include <ncurses.h>
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# endif /* SOLARIS */
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#endif /* STATETOP */
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#include "kmem.h"
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#if defined(__NetBSD__) || (__OpenBSD__)
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# include <paths.h>
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#endif
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#if !defined(lint)
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static const char sccsid[] = "@(#)fils.c 1.21 4/20/96 (C) 1993-2000 Darren Reed";
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static const char rcsid[] = "@(#)$Id: fils.c,v 2.21.2.45 2004/04/10 11:45:48 darrenr Exp $";
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#endif
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extern char *optarg;
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extern int optind;
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#define PRINTF (void)printf
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#define FPRINTF (void)fprintf
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#define F_IN 0
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#define F_OUT 1
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#define F_ACIN 2
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#define F_ACOUT 3
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static char *filters[4] = { "ipfilter(in)", "ipfilter(out)",
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"ipacct(in)", "ipacct(out)" };
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int opts = 0;
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int use_inet6 = 0;
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int live_kernel = 1;
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int state_fd = -1;
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int auth_fd = -1;
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int ipf_fd = -1;
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#ifdef STATETOP
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#define STSTRSIZE 80
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#define STGROWSIZE 16
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#define HOSTNMLEN 40
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#define STSORT_PR 0
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#define STSORT_PKTS 1
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#define STSORT_BYTES 2
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#define STSORT_TTL 3
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#define STSORT_SRCIP 4
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#define STSORT_DSTIP 5
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#define STSORT_MAX STSORT_DSTIP
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#define STSORT_DEFAULT STSORT_BYTES
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typedef struct statetop {
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union i6addr st_src;
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union i6addr st_dst;
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u_short st_sport;
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u_short st_dport;
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u_char st_p;
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u_char st_state[2];
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U_QUAD_T st_pkts;
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U_QUAD_T st_bytes;
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u_long st_age;
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} statetop_t;
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#endif
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extern int main __P((int, char *[]));
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static void showstats __P((friostat_t *, u_32_t));
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static void showfrstates __P((ipfrstat_t *));
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static void showlist __P((friostat_t *));
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static void showipstates __P((ips_stat_t *));
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static void showauthstates __P((fr_authstat_t *));
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static void showgroups __P((friostat_t *));
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static void Usage __P((char *));
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static void printlist __P((frentry_t *));
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static void parse_ipportstr __P((const char *, struct in_addr *, int *));
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static int ipfstate_live __P((char *, friostat_t **, ips_stat_t **,
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ipfrstat_t **, fr_authstat_t **, u_32_t *));
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static void ipfstate_dead __P((char *, friostat_t **, ips_stat_t **,
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ipfrstat_t **, fr_authstat_t **, u_32_t *));
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#ifdef STATETOP
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static void topipstates __P((struct in_addr, struct in_addr, int, int, int, int, int));
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static char *ttl_to_string __P((long));
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static int sort_p __P((const void *, const void *));
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static int sort_pkts __P((const void *, const void *));
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static int sort_bytes __P((const void *, const void *));
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static int sort_ttl __P((const void *, const void *));
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static int sort_srcip __P((const void *, const void *));
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static int sort_dstip __P((const void *, const void *));
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#endif
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#if SOLARIS
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void showqiflist __P((char *));
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#endif
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static void Usage(name)
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char *name;
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{
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#ifdef USE_INET6
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fprintf(stderr, "Usage: %s [-6aAfhIinosv] [-d <device>]\n", name);
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#else
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fprintf(stderr, "Usage: %s [-aAfhIinosv] [-d <device>]\n", name);
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#endif
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fprintf(stderr, "\t\t[-M corefile] [-N symbol-list]\n");
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fprintf(stderr, " %s -t [-S source address] [-D destination address] [-P protocol] [-T refreshtime] [-C] [-d <device>]\n", name);
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exit(1);
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}
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int main(argc,argv)
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int argc;
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char *argv[];
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{
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fr_authstat_t frauthst;
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fr_authstat_t *frauthstp = &frauthst;
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friostat_t fio;
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friostat_t *fiop = &fio;
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ips_stat_t ipsst;
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ips_stat_t *ipsstp = &ipsst;
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ipfrstat_t ifrst;
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ipfrstat_t *ifrstp = &ifrst;
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char *device = IPL_NAME, *memf = NULL;
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char *kern = NULL;
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int c, myoptind;
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struct protoent *proto;
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int protocol = -1; /* -1 = wild card for any protocol */
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int refreshtime = 1; /* default update time */
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int sport = -1; /* -1 = wild card for any source port */
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int dport = -1; /* -1 = wild card for any dest port */
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int topclosed = 0; /* do not show closed tcp sessions */
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struct in_addr saddr, daddr;
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u_32_t frf;
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saddr.s_addr = INADDR_ANY; /* default any source addr */
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daddr.s_addr = INADDR_ANY; /* default any dest addr */
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/*
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* Parse these two arguments now lest there be any buffer overflows
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* in the parsing of the rest.
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*/
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myoptind = optind;
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while ((c = getopt(argc, argv, "6aACfghIilnoqstvd:D:M:N:P:S:T:")) != -1)
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switch (c)
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{
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case 'M' :
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memf = optarg;
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live_kernel = 0;
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break;
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case 'N' :
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kern = optarg;
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live_kernel = 0;
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break;
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}
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optind = myoptind;
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if (live_kernel == 1) {
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if ((state_fd = open(IPL_STATE, O_RDONLY)) == -1) {
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perror("open");
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exit(-1);
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}
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if ((auth_fd = open(IPL_AUTH, O_RDONLY)) == -1) {
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perror("open");
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exit(-1);
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}
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if ((ipf_fd = open(device, O_RDONLY)) == -1) {
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perror("open");
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exit(-1);
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}
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}
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if (kern != NULL || memf != NULL)
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{
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(void)setuid(getuid());
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(void)setgid(getgid());
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}
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if (openkmem(kern, memf) == -1)
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exit(-1);
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(void)setuid(getuid());
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(void)setgid(getgid());
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while ((c = getopt(argc, argv, "6aACfghIilnoqstvd:D:M:N:P:S:T:")) != -1)
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{
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switch (c)
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{
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#ifdef USE_INET6
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case '6' :
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use_inet6 = 1;
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break;
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#endif
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case 'a' :
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opts |= OPT_ACCNT|OPT_SHOWLIST;
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break;
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case 'A' :
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device = IPAUTH_NAME;
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opts |= OPT_AUTHSTATS;
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break;
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case 'C' :
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topclosed = 1;
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break;
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case 'd' :
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device = optarg;
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break;
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case 'D' :
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parse_ipportstr(optarg, &daddr, &dport);
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break;
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case 'f' :
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opts |= OPT_FRSTATES;
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break;
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case 'g' :
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opts |= OPT_GROUPS;
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break;
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case 'h' :
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opts |= OPT_HITS;
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break;
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case 'i' :
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opts |= OPT_INQUE|OPT_SHOWLIST;
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break;
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case 'I' :
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opts |= OPT_INACTIVE;
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break;
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case 'l' :
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opts |= OPT_SHOWLIST;
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break;
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case 'M' :
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break;
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case 'N' :
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break;
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case 'n' :
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opts |= OPT_SHOWLINENO;
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break;
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case 'o' :
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opts |= OPT_OUTQUE|OPT_SHOWLIST;
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break;
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case 'P' :
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if ((proto = getprotobyname(optarg)) != NULL) {
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protocol = proto->p_proto;
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} else if (!sscanf(optarg, "%ud", &protocol) ||
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(protocol < 0)) {
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fprintf(stderr, "%s : Invalid protocol: %s\n",
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argv[0], optarg);
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exit(-2);
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}
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break;
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case 'q' :
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#if SOLARIS
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showqiflist(kern);
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exit(0);
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break;
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#else
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fprintf(stderr, "-q only availble on Solaris\n");
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exit(1);
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break;
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#endif
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case 's' :
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opts |= OPT_IPSTATES;
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break;
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case 'S' :
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parse_ipportstr(optarg, &saddr, &sport);
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break;
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case 't' :
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#ifdef STATETOP
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opts |= OPT_STATETOP;
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break;
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#else
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fprintf(stderr,
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"%s : state top facility not compiled in\n",
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argv[0]);
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exit(-2);
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#endif
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case 'T' :
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if (!sscanf(optarg, "%d", &refreshtime) ||
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(refreshtime <= 0)) {
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fprintf(stderr,
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"%s : Invalid refreshtime < 1 : %s\n",
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argv[0], optarg);
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exit(-2);
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}
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break;
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case 'v' :
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opts |= OPT_VERBOSE;
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break;
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default :
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Usage(argv[0]);
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break;
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}
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}
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if (live_kernel == 1) {
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bzero((char *)&fio, sizeof(fio));
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bzero((char *)&ipsst, sizeof(ipsst));
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bzero((char *)&ifrst, sizeof(ifrst));
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ipfstate_live(device, &fiop, &ipsstp, &ifrstp,
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&frauthstp, &frf);
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} else
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ipfstate_dead(kern, &fiop, &ipsstp, &ifrstp, &frauthstp, &frf);
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if (opts & OPT_IPSTATES) {
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showipstates(ipsstp);
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} else if (opts & OPT_SHOWLIST) {
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showlist(fiop);
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if ((opts & OPT_OUTQUE) && (opts & OPT_INQUE)){
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opts &= ~OPT_OUTQUE;
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showlist(fiop);
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}
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} else {
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if (opts & OPT_FRSTATES)
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showfrstates(ifrstp);
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#ifdef STATETOP
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else if (opts & OPT_STATETOP)
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topipstates(saddr, daddr, sport, dport,
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protocol, refreshtime, topclosed);
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#endif
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else if (opts & OPT_AUTHSTATS)
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showauthstates(frauthstp);
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else if (opts & OPT_GROUPS)
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showgroups(fiop);
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else
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showstats(fiop, frf);
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}
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return 0;
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}
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/*
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* Fill in the stats structures from the live kernel, using a combination
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* of ioctl's and copying directly from kernel memory.
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*/
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int ipfstate_live(device, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
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char *device;
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friostat_t **fiopp;
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ips_stat_t **ipsstpp;
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ipfrstat_t **ifrstpp;
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fr_authstat_t **frauthstpp;
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u_32_t *frfp;
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{
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if (!(opts & OPT_AUTHSTATS) && ioctl(ipf_fd, SIOCGETFS, fiopp) == -1) {
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perror("ioctl(ipf:SIOCGETFS)");
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exit(-1);
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}
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if ((opts & OPT_IPSTATES)) {
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if ((ioctl(state_fd, SIOCGETFS, ipsstpp) == -1)) {
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perror("ioctl(state:SIOCGETFS)");
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exit(-1);
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}
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}
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if ((opts & OPT_FRSTATES) &&
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(ioctl(ipf_fd, SIOCGFRST, ifrstpp) == -1)) {
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perror("ioctl(SIOCGFRST)");
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exit(-1);
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}
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if (opts & OPT_VERBOSE)
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PRINTF("opts %#x name %s\n", opts, device);
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if ((opts & OPT_AUTHSTATS) &&
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(ioctl(auth_fd, SIOCATHST, frauthstpp) == -1)) {
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perror("ioctl(SIOCATHST)");
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exit(-1);
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}
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|
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if (ioctl(ipf_fd, SIOCGETFF, frfp) == -1)
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perror("ioctl(SIOCGETFF)");
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return ipf_fd;
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}
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|
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/*
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* Build up the stats structures from data held in the "core" memory.
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* This is mainly useful when looking at data in crash dumps and ioctl's
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* just won't work any more.
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*/
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void ipfstate_dead(kernel, fiopp, ipsstpp, ifrstpp, frauthstpp, frfp)
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char *kernel;
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friostat_t **fiopp;
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ips_stat_t **ipsstpp;
|
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ipfrstat_t **ifrstpp;
|
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fr_authstat_t **frauthstpp;
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u_32_t *frfp;
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{
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static fr_authstat_t frauthst, *frauthstp;
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static ips_stat_t ipsst, *ipsstp;
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static ipfrstat_t ifrst, *ifrstp;
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static friostat_t fio, *fiop;
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|
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void *rules[2][2];
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struct nlist deadlist[42] = {
|
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{ "fr_authstats" }, /* 0 */
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{ "fae_list" },
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{ "ipauth" },
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{ "fr_authlist" },
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{ "fr_authstart" },
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{ "fr_authend" }, /* 5 */
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{ "fr_authnext" },
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{ "fr_auth" },
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{ "fr_authused" },
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{ "fr_authsize" },
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{ "fr_defaultauthage" }, /* 10 */
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{ "fr_authpkts" },
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{ "fr_auth_lock" },
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{ "frstats" },
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{ "ips_stats" },
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{ "ips_num" }, /* 15 */
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{ "ips_wild" },
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{ "ips_list" },
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{ "ips_table" },
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{ "fr_statemax" },
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{ "fr_statesize" }, /* 20 */
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{ "fr_state_doflush" },
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{ "fr_state_lock" },
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{ "ipfr_heads" },
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{ "ipfr_nattab" },
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{ "ipfr_stats" }, /* 25 */
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{ "ipfr_inuse" },
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{ "fr_ipfrttl" },
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{ "fr_frag_lock" },
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{ "ipfr_timer_id" },
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{ "fr_nat_lock" }, /* 30 */
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{ "ipfilter" },
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{ "ipfilter6" },
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{ "ipacct" },
|
|
{ "ipacct6" },
|
|
{ "ipl_frouteok" }, /* 35 */
|
|
{ "fr_running" },
|
|
{ "ipfgroups" },
|
|
{ "fr_active" },
|
|
{ "fr_pass" },
|
|
{ "fr_flags" }, /* 40 */
|
|
{ NULL }
|
|
};
|
|
|
|
|
|
frauthstp = &frauthst;
|
|
ipsstp = &ipsst;
|
|
ifrstp = &ifrst;
|
|
fiop = &fio;
|
|
|
|
*frfp = 0;
|
|
*fiopp = fiop;
|
|
*ipsstpp = ipsstp;
|
|
*ifrstpp = ifrstp;
|
|
*frauthstpp = frauthstp;
|
|
|
|
bzero((char *)fiop, sizeof(*fiop));
|
|
bzero((char *)ipsstp, sizeof(*ipsstp));
|
|
bzero((char *)ifrstp, sizeof(*ifrstp));
|
|
bzero((char *)frauthstp, sizeof(*frauthstp));
|
|
|
|
if (nlist(kernel, deadlist) == -1) {
|
|
fprintf(stderr, "nlist error\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* This is for SIOCGETFF.
|
|
*/
|
|
kmemcpy((char *)frfp, (u_long)deadlist[40].n_value, sizeof(*frfp));
|
|
|
|
/*
|
|
* f_locks is a combination of the lock variable from each part of
|
|
* ipfilter (state, auth, nat, fragments).
|
|
*/
|
|
kmemcpy((char *)fiop, (u_long)deadlist[13].n_value, sizeof(*fiop));
|
|
kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[22].n_value,
|
|
sizeof(fiop->f_locks[0]));
|
|
kmemcpy((char *)&fiop->f_locks[0], (u_long)deadlist[30].n_value,
|
|
sizeof(fiop->f_locks[1]));
|
|
kmemcpy((char *)&fiop->f_locks[2], (u_long)deadlist[28].n_value,
|
|
sizeof(fiop->f_locks[2]));
|
|
kmemcpy((char *)&fiop->f_locks[3], (u_long)deadlist[12].n_value,
|
|
sizeof(fiop->f_locks[3]));
|
|
|
|
/*
|
|
* Get pointers to each list of rules (active, inactive, in, out)
|
|
*/
|
|
kmemcpy((char *)&rules, (u_long)deadlist[31].n_value, sizeof(rules));
|
|
fiop->f_fin[0] = rules[0][0];
|
|
fiop->f_fin[1] = rules[0][1];
|
|
fiop->f_fout[0] = rules[1][0];
|
|
fiop->f_fout[1] = rules[1][1];
|
|
|
|
/*
|
|
* Same for IPv6, except make them null if support for it is not
|
|
* being compiled in.
|
|
*/
|
|
#ifdef USE_INET6
|
|
kmemcpy((char *)&rules, (u_long)deadlist[32].n_value, sizeof(rules));
|
|
fiop->f_fin6[0] = rules[0][0];
|
|
fiop->f_fin6[1] = rules[0][1];
|
|
fiop->f_fout6[0] = rules[1][0];
|
|
fiop->f_fout6[1] = rules[1][1];
|
|
#else
|
|
fiop->f_fin6[0] = NULL;
|
|
fiop->f_fin6[1] = NULL;
|
|
fiop->f_fout6[0] = NULL;
|
|
fiop->f_fout6[1] = NULL;
|
|
#endif
|
|
|
|
/*
|
|
* Now get accounting rules pointers.
|
|
*/
|
|
kmemcpy((char *)&rules, (u_long)deadlist[33].n_value, sizeof(rules));
|
|
fiop->f_acctin[0] = rules[0][0];
|
|
fiop->f_acctin[1] = rules[0][1];
|
|
fiop->f_acctout[0] = rules[1][0];
|
|
fiop->f_acctout[1] = rules[1][1];
|
|
|
|
#ifdef USE_INET6
|
|
kmemcpy((char *)&rules, (u_long)deadlist[34].n_value, sizeof(rules));
|
|
fiop->f_acctin6[0] = rules[0][0];
|
|
fiop->f_acctin6[1] = rules[0][1];
|
|
fiop->f_acctout6[0] = rules[1][0];
|
|
fiop->f_acctout6[1] = rules[1][1];
|
|
#else
|
|
fiop->f_acctin6[0] = NULL;
|
|
fiop->f_acctin6[1] = NULL;
|
|
fiop->f_acctout6[0] = NULL;
|
|
fiop->f_acctout6[1] = NULL;
|
|
#endif
|
|
|
|
/*
|
|
* A collection of "global" variables used inside the kernel which
|
|
* are all collected in friostat_t via ioctl.
|
|
*/
|
|
kmemcpy((char *)&fiop->f_froute, (u_long)deadlist[35].n_value,
|
|
sizeof(fiop->f_froute));
|
|
kmemcpy((char *)&fiop->f_running, (u_long)deadlist[36].n_value,
|
|
sizeof(fiop->f_running));
|
|
kmemcpy((char *)&fiop->f_groups, (u_long)deadlist[37].n_value,
|
|
sizeof(fiop->f_groups));
|
|
kmemcpy((char *)&fiop->f_active, (u_long)deadlist[38].n_value,
|
|
sizeof(fiop->f_active));
|
|
kmemcpy((char *)&fiop->f_defpass, (u_long)deadlist[39].n_value,
|
|
sizeof(fiop->f_defpass));
|
|
|
|
/*
|
|
* Build up the state information stats structure.
|
|
*/
|
|
kmemcpy((char *)ipsstp, (u_long)deadlist[14].n_value, sizeof(*ipsstp));
|
|
kmemcpy((char *)&ipsstp->iss_active, (u_long)deadlist[15].n_value,
|
|
sizeof(ipsstp->iss_active));
|
|
ipsstp->iss_table = (void *)deadlist[18].n_value;
|
|
ipsstp->iss_list = (void *)deadlist[17].n_value;
|
|
|
|
/*
|
|
* Build up the authentiation information stats structure.
|
|
*/
|
|
kmemcpy((char *)frauthstp, (u_long)deadlist[0].n_value,
|
|
sizeof(*frauthstp));
|
|
frauthstp->fas_faelist = (void *)deadlist[1].n_value;
|
|
|
|
/*
|
|
* Build up the fragment information stats structure.
|
|
*/
|
|
kmemcpy((char *)ifrstp, (u_long)deadlist[25].n_value,
|
|
sizeof(*ifrstp));
|
|
ifrstp->ifs_table = (void *)deadlist[23].n_value;
|
|
ifrstp->ifs_nattab = (void *)deadlist[24].n_value;
|
|
kmemcpy((char *)&ifrstp->ifs_inuse, (u_long)deadlist[26].n_value,
|
|
sizeof(ifrstp->ifs_inuse));
|
|
}
|
|
|
|
|
|
/*
|
|
* Display the kernel stats for packets blocked and passed and other
|
|
* associated running totals which are kept.
|
|
*/
|
|
static void showstats(fp, frf)
|
|
struct friostat *fp;
|
|
u_32_t frf;
|
|
{
|
|
|
|
#if SOLARIS
|
|
PRINTF("dropped packets:\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_drop, fp->f_st[1].fr_drop);
|
|
PRINTF("non-data packets:\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_notdata, fp->f_st[1].fr_notdata);
|
|
PRINTF("no-data packets:\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_nodata, fp->f_st[1].fr_nodata);
|
|
PRINTF("non-ip packets:\t\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_notip, fp->f_st[1].fr_notip);
|
|
PRINTF(" bad packets:\t\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_bad, fp->f_st[1].fr_bad);
|
|
PRINTF("copied messages:\tin %lu\tout %lu\n",
|
|
fp->f_st[0].fr_copy, fp->f_st[1].fr_copy);
|
|
#endif
|
|
#ifdef USE_INET6
|
|
PRINTF(" IPv6 packets:\t\tin %lu out %lu\n",
|
|
fp->f_st[0].fr_ipv6[0], fp->f_st[0].fr_ipv6[1]);
|
|
#endif
|
|
PRINTF(" input packets:\t\tblocked %lu passed %lu nomatch %lu",
|
|
fp->f_st[0].fr_block, fp->f_st[0].fr_pass,
|
|
fp->f_st[0].fr_nom);
|
|
PRINTF(" counted %lu short %lu\n",
|
|
fp->f_st[0].fr_acct, fp->f_st[0].fr_short);
|
|
PRINTF("output packets:\t\tblocked %lu passed %lu nomatch %lu",
|
|
fp->f_st[1].fr_block, fp->f_st[1].fr_pass,
|
|
fp->f_st[1].fr_nom);
|
|
PRINTF(" counted %lu short %lu\n",
|
|
fp->f_st[1].fr_acct, fp->f_st[1].fr_short);
|
|
PRINTF(" input packets logged:\tblocked %lu passed %lu\n",
|
|
fp->f_st[0].fr_bpkl, fp->f_st[0].fr_ppkl);
|
|
PRINTF("output packets logged:\tblocked %lu passed %lu\n",
|
|
fp->f_st[1].fr_bpkl, fp->f_st[1].fr_ppkl);
|
|
PRINTF(" packets logged:\tinput %lu output %lu\n",
|
|
fp->f_st[0].fr_pkl, fp->f_st[1].fr_pkl);
|
|
PRINTF(" log failures:\t\tinput %lu output %lu\n",
|
|
fp->f_st[0].fr_skip, fp->f_st[1].fr_skip);
|
|
PRINTF("fragment state(in):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
|
|
fp->f_st[0].fr_nfr, fp->f_st[0].fr_bnfr, fp->f_st[0].fr_cfr);
|
|
PRINTF("fragment state(out):\tkept %lu\tlost %lu\tnot fragmented %lu\n",
|
|
fp->f_st[1].fr_nfr, fp->f_st[1].fr_bnfr, fp->f_st[1].fr_cfr);
|
|
PRINTF("packet state(in):\tkept %lu\tlost %lu\n",
|
|
fp->f_st[0].fr_ads, fp->f_st[0].fr_bads);
|
|
PRINTF("packet state(out):\tkept %lu\tlost %lu\n",
|
|
fp->f_st[1].fr_ads, fp->f_st[1].fr_bads);
|
|
PRINTF("ICMP replies:\t%lu\tTCP RSTs sent:\t%lu\n",
|
|
fp->f_st[0].fr_ret, fp->f_st[1].fr_ret);
|
|
PRINTF("Invalid source(in):\t%lu\n", fp->f_st[0].fr_badsrc);
|
|
PRINTF("Result cache hits(in):\t%lu\t(out):\t%lu\n",
|
|
fp->f_st[0].fr_chit, fp->f_st[1].fr_chit);
|
|
PRINTF("IN Pullups succeeded:\t%lu\tfailed:\t%lu\n",
|
|
fp->f_st[0].fr_pull[0], fp->f_st[0].fr_pull[1]);
|
|
PRINTF("OUT Pullups succeeded:\t%lu\tfailed:\t%lu\n",
|
|
fp->f_st[1].fr_pull[0], fp->f_st[1].fr_pull[1]);
|
|
PRINTF("Fastroute successes:\t%lu\tfailures:\t%lu\n",
|
|
fp->f_froute[0], fp->f_froute[1]);
|
|
PRINTF("TCP cksum fails(in):\t%lu\t(out):\t%lu\n",
|
|
fp->f_st[0].fr_tcpbad, fp->f_st[1].fr_tcpbad);
|
|
|
|
PRINTF("Packet log flags set: (%#x)\n", frf);
|
|
if (frf & FF_LOGPASS)
|
|
PRINTF("\tpackets passed through filter\n");
|
|
if (frf & FF_LOGBLOCK)
|
|
PRINTF("\tpackets blocked by filter\n");
|
|
if (frf & FF_LOGNOMATCH)
|
|
PRINTF("\tpackets not matched by filter\n");
|
|
if (!frf)
|
|
PRINTF("\tnone\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* Print out a list of rules from the kernel, starting at the one passed.
|
|
*/
|
|
static void printlist(fp)
|
|
frentry_t *fp;
|
|
{
|
|
struct frentry fb;
|
|
int n;
|
|
|
|
for (n = 1; fp; n++) {
|
|
if (kmemcpy((char *)&fb, (u_long)fp, sizeof(fb)) == -1) {
|
|
perror("kmemcpy");
|
|
return;
|
|
}
|
|
fp = &fb;
|
|
if (opts & OPT_OUTQUE)
|
|
fp->fr_flags |= FR_OUTQUE;
|
|
if (opts & (OPT_HITS|OPT_VERBOSE))
|
|
#ifdef USE_QUAD_T
|
|
PRINTF("%qu ", (unsigned long long) fp->fr_hits);
|
|
#else
|
|
PRINTF("%lu ", fp->fr_hits);
|
|
#endif
|
|
if (opts & (OPT_ACCNT|OPT_VERBOSE))
|
|
#ifdef USE_QUAD_T
|
|
PRINTF("%qu ", (unsigned long long) fp->fr_bytes);
|
|
#else
|
|
PRINTF("%lu ", fp->fr_bytes);
|
|
#endif
|
|
if (opts & OPT_SHOWLINENO)
|
|
PRINTF("@%d ", n);
|
|
printfr(fp);
|
|
if (opts & OPT_VERBOSE)
|
|
binprint(fp);
|
|
if (fp->fr_grp)
|
|
printlist(fp->fr_grp);
|
|
fp = fp->fr_next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* print out all of the asked for rule sets, using the stats struct as
|
|
* the base from which to get the pointers.
|
|
*/
|
|
static void showlist(fiop)
|
|
struct friostat *fiop;
|
|
{
|
|
struct frentry *fp = NULL;
|
|
int i, set;
|
|
|
|
set = fiop->f_active;
|
|
if (opts & OPT_INACTIVE)
|
|
set = 1 - set;
|
|
if (opts & OPT_ACCNT) {
|
|
#ifdef USE_INET6
|
|
if ((use_inet6) && (opts & OPT_OUTQUE)) {
|
|
i = F_ACOUT;
|
|
fp = (struct frentry *)fiop->f_acctout6[set];
|
|
} else if ((use_inet6) && (opts & OPT_INQUE)) {
|
|
i = F_ACIN;
|
|
fp = (struct frentry *)fiop->f_acctin6[set];
|
|
} else
|
|
#endif
|
|
if (opts & OPT_OUTQUE) {
|
|
i = F_ACOUT;
|
|
fp = (struct frentry *)fiop->f_acctout[set];
|
|
} else if (opts & OPT_INQUE) {
|
|
i = F_ACIN;
|
|
fp = (struct frentry *)fiop->f_acctin[set];
|
|
} else {
|
|
FPRINTF(stderr, "No -i or -o given with -a\n");
|
|
return;
|
|
}
|
|
} else {
|
|
#ifdef USE_INET6
|
|
if ((use_inet6) && (opts & OPT_OUTQUE)) {
|
|
i = F_OUT;
|
|
fp = (struct frentry *)fiop->f_fout6[set];
|
|
} else if ((use_inet6) && (opts & OPT_INQUE)) {
|
|
i = F_IN;
|
|
fp = (struct frentry *)fiop->f_fin6[set];
|
|
} else
|
|
#endif
|
|
if (opts & OPT_OUTQUE) {
|
|
i = F_OUT;
|
|
fp = (struct frentry *)fiop->f_fout[set];
|
|
} else if (opts & OPT_INQUE) {
|
|
i = F_IN;
|
|
fp = (struct frentry *)fiop->f_fin[set];
|
|
} else
|
|
return;
|
|
}
|
|
if (opts & OPT_VERBOSE)
|
|
FPRINTF(stderr, "showlist:opts %#x i %d\n", opts, i);
|
|
|
|
if (opts & OPT_VERBOSE)
|
|
PRINTF("fp %p set %d\n", fp, set);
|
|
if (fp == NULL) {
|
|
FPRINTF(stderr, "empty list for %s%s\n",
|
|
(opts & OPT_INACTIVE) ? "inactive " : "", filters[i]);
|
|
return;
|
|
}
|
|
printlist(fp);
|
|
}
|
|
|
|
|
|
/*
|
|
* Display ipfilter stateful filtering information
|
|
*/
|
|
static void showipstates(ipsp)
|
|
ips_stat_t *ipsp;
|
|
{
|
|
ipstate_t *istab[IPSTATE_SIZE];
|
|
|
|
/*
|
|
* If a list of states hasn't been asked for, only print out stats
|
|
*/
|
|
if (!(opts & OPT_SHOWLIST)) {
|
|
PRINTF("IP states added:\n\t%lu TCP\n\t%lu UDP\n\t%lu ICMP\n",
|
|
ipsp->iss_tcp, ipsp->iss_udp, ipsp->iss_icmp);
|
|
PRINTF("\t%lu hits\n\t%lu misses\n", ipsp->iss_hits,
|
|
ipsp->iss_miss);
|
|
PRINTF("\t%lu maximum\n\t%lu no memory\n\t%lu bkts in use\n",
|
|
ipsp->iss_max, ipsp->iss_nomem, ipsp->iss_inuse);
|
|
PRINTF("\t%lu logged\n\t%lu log failures\n",
|
|
ipsp->iss_logged, ipsp->iss_logfail);
|
|
PRINTF("\t%lu active\n\t%lu expired\n\t%lu closed\n",
|
|
ipsp->iss_active, ipsp->iss_expire, ipsp->iss_fin);
|
|
return;
|
|
}
|
|
|
|
if (kmemcpy((char *)istab, (u_long)ipsp->iss_table, sizeof(istab)))
|
|
return;
|
|
|
|
/*
|
|
* Print out all the state information currently held in the kernel.
|
|
*/
|
|
while (ipsp->iss_list != NULL) {
|
|
ipsp->iss_list = printstate(ipsp->iss_list, opts);
|
|
}
|
|
}
|
|
|
|
|
|
#if SOLARIS
|
|
/*
|
|
* Displays the list of interfaces of which IPFilter has taken control in
|
|
* Solaris.
|
|
*/
|
|
void showqiflist(kern)
|
|
char *kern;
|
|
{
|
|
struct nlist qifnlist[2] = {
|
|
{ "_qif_head" },
|
|
{ NULL }
|
|
};
|
|
qif_t qif, *qf;
|
|
ill_t ill;
|
|
|
|
if (kern == NULL)
|
|
kern = "/dev/ksyms";
|
|
|
|
if (nlist(kern, qifnlist) == -1) {
|
|
fprintf(stderr, "nlist error\n");
|
|
return;
|
|
}
|
|
|
|
printf("List of interfaces bound by IPFilter:\n");
|
|
if (kmemcpy((char *)&qf, (u_long)qifnlist[0].n_value, sizeof(qf)))
|
|
return;
|
|
while (qf) {
|
|
if (kmemcpy((char *)&qif, (u_long)qf, sizeof(qif)))
|
|
break;
|
|
if (kmemcpy((char *)&ill, (u_long)qif.qf_ill, sizeof(ill)))
|
|
ill.ill_ppa = -1;
|
|
printf("Name: %-8s Header Length: %2d SAP: %s (%04x) PPA %d",
|
|
qif.qf_name, qif.qf_hl,
|
|
#ifdef IP6_DL_SAP
|
|
(qif.qf_sap == IP6_DL_SAP) ? "IPv6" : "IPv4"
|
|
#else
|
|
"IPv4"
|
|
#endif
|
|
, qif.qf_sap, ill.ill_ppa);
|
|
printf(" %ld %ld", qif.qf_incnt, qif.qf_outcnt);
|
|
qf = qif.qf_next;
|
|
putchar('\n');
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifdef STATETOP
|
|
static void topipstates(saddr, daddr, sport, dport, protocol,
|
|
refreshtime, topclosed)
|
|
struct in_addr saddr;
|
|
struct in_addr daddr;
|
|
int sport;
|
|
int dport;
|
|
int protocol;
|
|
int refreshtime;
|
|
int topclosed;
|
|
{
|
|
char str1[STSTRSIZE], str2[STSTRSIZE], str3[STSTRSIZE], str4[STSTRSIZE];
|
|
int maxtsentries = 0, reverse = 0, sorting = STSORT_DEFAULT;
|
|
int i, j, winx, tsentry, maxx, maxy, redraw = 0;
|
|
ipstate_t *istab[IPSTATE_SIZE], ips;
|
|
ips_stat_t ipsst, *ipsstp = &ipsst;
|
|
statetop_t *tstable = NULL, *tp;
|
|
char hostnm[HOSTNMLEN];
|
|
struct protoent *proto;
|
|
int c = 0;
|
|
time_t t;
|
|
#ifdef USE_POLL
|
|
struct pollfd set[1];
|
|
#else
|
|
struct timeval selecttimeout;
|
|
fd_set readfd;
|
|
#endif
|
|
|
|
/* init ncurses stuff */
|
|
initscr();
|
|
cbreak();
|
|
noecho();
|
|
|
|
/* init hostname */
|
|
gethostname(hostnm, sizeof(hostnm) - 1);
|
|
hostnm[sizeof(hostnm) - 1] = '\0';
|
|
|
|
/* repeat until user aborts */
|
|
while ( 1 ) {
|
|
|
|
/* get state table */
|
|
bzero((char *)&ipsst, sizeof(&ipsst));
|
|
if ((ioctl(state_fd, SIOCGETFS, &ipsstp) == -1)) {
|
|
perror("ioctl(SIOCGETFS)");
|
|
exit(-1);
|
|
}
|
|
if (kmemcpy((char *)istab, (u_long)ipsstp->iss_table,
|
|
sizeof(ips)))
|
|
return;
|
|
|
|
/* clear the history */
|
|
tsentry = -1;
|
|
|
|
/* read the state table and store in tstable */
|
|
while (ipsstp->iss_list) {
|
|
if (kmemcpy((char *)&ips, (u_long)ipsstp->iss_list,
|
|
sizeof(ips)))
|
|
break;
|
|
ipsstp->iss_list = ips.is_next;
|
|
|
|
if (((saddr.s_addr == INADDR_ANY) ||
|
|
(saddr.s_addr == ips.is_saddr)) &&
|
|
((daddr.s_addr == INADDR_ANY) ||
|
|
(daddr.s_addr == ips.is_daddr)) &&
|
|
((protocol < 0) || (protocol == ips.is_p)) &&
|
|
(((ips.is_p != IPPROTO_TCP) &&
|
|
(ips.is_p != IPPROTO_UDP)) ||
|
|
(((sport < 0) ||
|
|
(htons(sport) == ips.is_sport)) &&
|
|
((dport < 0) ||
|
|
(htons(dport) == ips.is_dport)))) &&
|
|
(topclosed || (ips.is_p != IPPROTO_TCP) ||
|
|
(ips.is_state[0] < TCPS_LAST_ACK) ||
|
|
(ips.is_state[1] < TCPS_LAST_ACK))) {
|
|
/*
|
|
* if necessary make room for this state
|
|
* entry
|
|
*/
|
|
tsentry++;
|
|
if (!maxtsentries ||
|
|
(tsentry == maxtsentries)) {
|
|
|
|
maxtsentries += STGROWSIZE;
|
|
tstable = realloc(tstable, maxtsentries * sizeof(statetop_t));
|
|
if (!tstable) {
|
|
perror("malloc");
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
/* fill structure */
|
|
tp = tstable + tsentry;
|
|
tp->st_src = ips.is_src;
|
|
tp->st_dst = ips.is_dst;
|
|
tp->st_p = ips.is_p;
|
|
tp->st_state[0] = ips.is_state[0];
|
|
tp->st_state[1] = ips.is_state[1];
|
|
tp->st_pkts = ips.is_pkts;
|
|
tp->st_bytes = ips.is_bytes;
|
|
tp->st_age = ips.is_age;
|
|
if ((ips.is_p == IPPROTO_TCP) ||
|
|
(ips.is_p == IPPROTO_UDP)) {
|
|
tp->st_sport = ips.is_sport;
|
|
tp->st_dport = ips.is_dport;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
|
|
/* sort the array */
|
|
if (tsentry != -1)
|
|
switch (sorting)
|
|
{
|
|
case STSORT_PR:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_p);
|
|
break;
|
|
case STSORT_PKTS:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_pkts);
|
|
break;
|
|
case STSORT_BYTES:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_bytes);
|
|
break;
|
|
case STSORT_TTL:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_ttl);
|
|
break;
|
|
case STSORT_SRCIP:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_srcip);
|
|
break;
|
|
case STSORT_DSTIP:
|
|
qsort(tstable, tsentry + 1,
|
|
sizeof(statetop_t), sort_dstip);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* print title */
|
|
erase();
|
|
getmaxyx(stdscr, maxy, maxx);
|
|
attron(A_BOLD);
|
|
winx = 0;
|
|
move(winx,0);
|
|
sprintf(str1, "%s - %s - state top", hostnm, IPL_VERSION);
|
|
for (j = 0 ; j < (maxx - 8 - strlen(str1)) / 2; j++)
|
|
printw(" ");
|
|
printw("%s", str1);
|
|
attroff(A_BOLD);
|
|
|
|
/* just for fun add a clock */
|
|
move(winx, maxx - 8);
|
|
t = time(NULL);
|
|
strftime(str1, 80, "%T", localtime(&t));
|
|
printw("%s\n", str1);
|
|
|
|
/*
|
|
* print the display filters, this is placed in the loop,
|
|
* because someday I might add code for changing these
|
|
* while the programming is running :-)
|
|
*/
|
|
if (sport >= 0)
|
|
sprintf(str1, "%s,%d", inet_ntoa(saddr), sport);
|
|
else
|
|
sprintf(str1, "%s", inet_ntoa(saddr));
|
|
|
|
if (dport >= 0)
|
|
sprintf(str2, "%s,%d", inet_ntoa(daddr), dport);
|
|
else
|
|
sprintf(str2, "%s", inet_ntoa(daddr));
|
|
|
|
if (protocol < 0)
|
|
strcpy(str3, "any");
|
|
else if ((proto = getprotobynumber(protocol)) != NULL)
|
|
sprintf(str3, "%s", proto->p_name);
|
|
else
|
|
sprintf(str3, "%d", protocol);
|
|
|
|
switch (sorting)
|
|
{
|
|
case STSORT_PR:
|
|
sprintf(str4, "proto");
|
|
break;
|
|
case STSORT_PKTS:
|
|
sprintf(str4, "# pkts");
|
|
break;
|
|
case STSORT_BYTES:
|
|
sprintf(str4, "# bytes");
|
|
break;
|
|
case STSORT_TTL:
|
|
sprintf(str4, "ttl");
|
|
break;
|
|
case STSORT_SRCIP:
|
|
sprintf(str4, "srcip");
|
|
break;
|
|
case STSORT_DSTIP:
|
|
sprintf(str4, "dstip");
|
|
break;
|
|
default:
|
|
sprintf(str4, "unknown");
|
|
break;
|
|
}
|
|
|
|
if (reverse)
|
|
strcat(str4, " (reverse)");
|
|
|
|
winx += 2;
|
|
move(winx,0);
|
|
printw("Src = %s Dest = %s Proto = %s Sorted by = %s\n\n",
|
|
str1, str2, str3, str4);
|
|
|
|
/* print column description */
|
|
winx += 2;
|
|
move(winx,0);
|
|
attron(A_BOLD);
|
|
printw("%-21s %-21s %3s %4s %7s %9s %9s\n", "Source IP",
|
|
"Destination IP", "ST", "PR", "#pkts", "#bytes", "ttl");
|
|
attroff(A_BOLD);
|
|
|
|
/* print all the entries */
|
|
tp = tstable;
|
|
if (reverse)
|
|
tp += tsentry;
|
|
|
|
if (tsentry > maxy - 6)
|
|
tsentry = maxy - 6;
|
|
for (i = 0; i <= tsentry; i++) {
|
|
/* print src/dest and port */
|
|
if ((tp->st_p == IPPROTO_TCP) ||
|
|
(tp->st_p == IPPROTO_UDP)) {
|
|
sprintf(str1, "%s,%hu",
|
|
inet_ntoa(tp->st_src.in4),
|
|
ntohs(tp->st_sport));
|
|
sprintf(str2, "%s,%hu",
|
|
inet_ntoa(tp->st_dst.in4),
|
|
ntohs(tp->st_dport));
|
|
} else {
|
|
sprintf(str1, "%s", inet_ntoa(tp->st_src.in4));
|
|
sprintf(str2, "%s", inet_ntoa(tp->st_dst.in4));
|
|
}
|
|
winx++;
|
|
move(winx, 0);
|
|
printw("%-21s %-21s", str1, str2);
|
|
|
|
/* print state */
|
|
sprintf(str1, "%X/%X", tp->st_state[0],
|
|
tp->st_state[1]);
|
|
printw(" %3s", str1);
|
|
|
|
/* print proto */
|
|
proto = getprotobynumber(tp->st_p);
|
|
if (proto) {
|
|
strncpy(str1, proto->p_name, 4);
|
|
str1[4] = '\0';
|
|
} else {
|
|
sprintf(str1, "%d", tp->st_p);
|
|
}
|
|
printw(" %4s", str1);
|
|
/* print #pkt/#bytes */
|
|
#ifdef USE_QUAD_T
|
|
printw(" %7qu %9qu", (unsigned long long) tp->st_pkts,
|
|
(unsigned long long) tp->st_bytes);
|
|
#else
|
|
printw(" %7lu %9lu", tp->st_pkts, tp->st_bytes);
|
|
#endif
|
|
printw(" %9s", ttl_to_string(tp->st_age));
|
|
|
|
if (reverse)
|
|
tp--;
|
|
else
|
|
tp++;
|
|
}
|
|
|
|
/* screen data structure is filled, now update the screen */
|
|
if (redraw)
|
|
clearok(stdscr,1);
|
|
|
|
refresh();
|
|
if (redraw) {
|
|
clearok(stdscr,0);
|
|
redraw = 0;
|
|
}
|
|
|
|
/* wait for key press or a 1 second time out period */
|
|
#ifdef USE_POLL
|
|
set[0].fd = 0;
|
|
set[0].events = POLLIN;
|
|
poll(set, 1, refreshtime * 1000);
|
|
|
|
/* if key pressed, read all waiting keys */
|
|
if (set[0].revents & POLLIN)
|
|
#else
|
|
selecttimeout.tv_sec = refreshtime;
|
|
selecttimeout.tv_usec = 0;
|
|
FD_ZERO(&readfd);
|
|
FD_SET(0, &readfd);
|
|
select(1, &readfd, NULL, NULL, &selecttimeout);
|
|
|
|
/* if key pressed, read all waiting keys */
|
|
if (FD_ISSET(0, &readfd))
|
|
#endif
|
|
|
|
{
|
|
c = wgetch(stdscr);
|
|
if (c == ERR)
|
|
continue;
|
|
|
|
if (isalpha(c) && isupper(c))
|
|
c = tolower(c);
|
|
if (c == 'l') {
|
|
redraw = 1;
|
|
} else if (c == 'q') {
|
|
break; /* exits while() loop */
|
|
} else if (c == 'r') {
|
|
reverse = !reverse;
|
|
} else if (c == 's') {
|
|
sorting++;
|
|
if (sorting > STSORT_MAX)
|
|
sorting = 0;
|
|
}
|
|
}
|
|
} /* while */
|
|
|
|
printw("\n");
|
|
nocbreak();
|
|
endwin();
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Show fragment cache information that's held in the kernel.
|
|
*/
|
|
static void showfrstates(ifsp)
|
|
ipfrstat_t *ifsp;
|
|
{
|
|
struct ipfr *ipfrtab[IPFT_SIZE], ifr;
|
|
frentry_t fr;
|
|
int i;
|
|
|
|
/*
|
|
* print out the numeric statistics
|
|
*/
|
|
PRINTF("IP fragment states:\n\t%lu new\n\t%lu expired\n\t%lu hits\n",
|
|
ifsp->ifs_new, ifsp->ifs_expire, ifsp->ifs_hits);
|
|
PRINTF("\t%lu no memory\n\t%lu already exist\n",
|
|
ifsp->ifs_nomem, ifsp->ifs_exists);
|
|
PRINTF("\t%lu inuse\n", ifsp->ifs_inuse);
|
|
if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_table, sizeof(ipfrtab)))
|
|
return;
|
|
|
|
/*
|
|
* Print out the contents (if any) of the fragment cache table.
|
|
*/
|
|
PRINTF("\n");
|
|
for (i = 0; i < IPFT_SIZE; i++)
|
|
while (ipfrtab[i]) {
|
|
if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
|
|
sizeof(ifr)) == -1)
|
|
break;
|
|
PRINTF("%s -> ", hostname(4, &ifr.ipfr_src));
|
|
if (kmemcpy((char *)&fr, (u_long)ifr.ipfr_rule,
|
|
sizeof(fr)) == -1)
|
|
break;
|
|
PRINTF("%s id %d ttl %d pr %d seen0 %d ifp %p tos %#02x = fl %#x\n",
|
|
hostname(4, &ifr.ipfr_dst), ntohs(ifr.ipfr_id),
|
|
ifr.ipfr_ttl, ifr.ipfr_p, ifr.ipfr_seen0,
|
|
ifr.ipfr_ifp, ifr.ipfr_tos, fr.fr_flags);
|
|
ipfrtab[i] = ifr.ipfr_next;
|
|
}
|
|
if (kmemcpy((char *)ipfrtab, (u_long)ifsp->ifs_nattab,sizeof(ipfrtab)))
|
|
return;
|
|
for (i = 0; i < IPFT_SIZE; i++)
|
|
while (ipfrtab[i]) {
|
|
if (kmemcpy((char *)&ifr, (u_long)ipfrtab[i],
|
|
sizeof(ifr)) == -1)
|
|
break;
|
|
PRINTF("NAT: %s -> ", hostname(4, &ifr.ipfr_src));
|
|
if (kmemcpy((char *)&fr, (u_long)ifr.ipfr_rule,
|
|
sizeof(fr)) == -1)
|
|
break;
|
|
PRINTF("%s %d %d %d %#02x = %#x\n",
|
|
hostname(4, &ifr.ipfr_dst), ifr.ipfr_id,
|
|
ifr.ipfr_ttl, ifr.ipfr_p, ifr.ipfr_tos,
|
|
fr.fr_flags);
|
|
ipfrtab[i] = ifr.ipfr_next;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Show stats on how auth within IPFilter has been used
|
|
*/
|
|
static void showauthstates(asp)
|
|
fr_authstat_t *asp;
|
|
{
|
|
frauthent_t *frap, fra;
|
|
|
|
#ifdef USE_QUAD_T
|
|
printf("Authorisation hits: %qu\tmisses %qu\n",
|
|
(unsigned long long) asp->fas_hits,
|
|
(unsigned long long) asp->fas_miss);
|
|
#else
|
|
printf("Authorisation hits: %ld\tmisses %ld\n", asp->fas_hits,
|
|
asp->fas_miss);
|
|
#endif
|
|
printf("nospace %ld\nadded %ld\nsendfail %ld\nsendok %ld\n",
|
|
asp->fas_nospace, asp->fas_added, asp->fas_sendfail,
|
|
asp->fas_sendok);
|
|
printf("queok %ld\nquefail %ld\nexpire %ld\n",
|
|
asp->fas_queok, asp->fas_quefail, asp->fas_expire);
|
|
|
|
frap = asp->fas_faelist;
|
|
while (frap) {
|
|
if (kmemcpy((char *)&fra, (u_long)frap, sizeof(fra)) == -1)
|
|
break;
|
|
|
|
printf("age %ld\t", fra.fae_age);
|
|
printfr(&fra.fae_fr);
|
|
frap = fra.fae_next;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Display groups used for each of filter rules, accounting rules and
|
|
* authentication, separately.
|
|
*/
|
|
static void showgroups(fiop)
|
|
struct friostat *fiop;
|
|
{
|
|
static char *gnames[3] = { "Filter", "Accounting", "Authentication" };
|
|
frgroup_t *fp, grp;
|
|
int on, off, i;
|
|
|
|
on = fiop->f_active;
|
|
off = 1 - on;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
printf("%s groups (active):\n", gnames[i]);
|
|
for (fp = fiop->f_groups[i][on]; fp; fp = grp.fg_next)
|
|
if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
|
|
break;
|
|
else
|
|
printf("%hu\n", grp.fg_num);
|
|
printf("%s groups (inactive):\n", gnames[i]);
|
|
for (fp = fiop->f_groups[i][off]; fp; fp = grp.fg_next)
|
|
if (kmemcpy((char *)&grp, (u_long)fp, sizeof(grp)))
|
|
break;
|
|
else
|
|
printf("%hu\n", grp.fg_num);
|
|
}
|
|
}
|
|
|
|
static void parse_ipportstr(argument, ip, port)
|
|
const char *argument;
|
|
struct in_addr *ip;
|
|
int *port;
|
|
{
|
|
|
|
char *s, *comma;
|
|
|
|
/* make working copy of argument, Theoretically you must be able
|
|
* to write to optarg, but that seems very ugly to me....
|
|
*/
|
|
if ((s = malloc(strlen(argument) + 1)) == NULL)
|
|
perror("malloc");
|
|
strcpy(s, argument);
|
|
|
|
/* get port */
|
|
if ((comma = strchr(s, ',')) != NULL) {
|
|
if (!strcasecmp(s, "any")) {
|
|
*port = -1;
|
|
} else if (!sscanf(comma + 1, "%d", port) ||
|
|
(*port < 0) || (*port > 65535)) {
|
|
fprintf(stderr, "Invalid port specfication in %s\n",
|
|
argument);
|
|
exit(-2);
|
|
}
|
|
*comma = '\0';
|
|
}
|
|
|
|
|
|
/* get ip address */
|
|
if (!strcasecmp(s, "any")) {
|
|
ip->s_addr = INADDR_ANY;
|
|
} else if (!inet_aton(s, ip)) {
|
|
fprintf(stderr, "Invalid IP address: %s\n", s);
|
|
exit(-2);
|
|
}
|
|
|
|
/* free allocated memory */
|
|
free(s);
|
|
}
|
|
|
|
|
|
#ifdef STATETOP
|
|
static char ttlbuf[STSTRSIZE];
|
|
|
|
static char *ttl_to_string(ttl)
|
|
long int ttl;
|
|
{
|
|
|
|
int hours, minutes, seconds;
|
|
|
|
/* ttl is in half seconds */
|
|
ttl /= 2;
|
|
|
|
hours = ttl / 3600;
|
|
ttl = ttl % 3600;
|
|
minutes = ttl / 60;
|
|
seconds = ttl % 60;
|
|
|
|
if (hours > 0 )
|
|
sprintf(ttlbuf, "%2d:%02d:%02d", hours, minutes, seconds);
|
|
else
|
|
sprintf(ttlbuf, "%2d:%02d", minutes, seconds);
|
|
return ttlbuf;
|
|
}
|
|
|
|
|
|
static int sort_pkts(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ap->st_pkts == bp->st_pkts)
|
|
return 0;
|
|
else if (ap->st_pkts < bp->st_pkts)
|
|
return 1;
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int sort_bytes(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ap->st_bytes == bp->st_bytes)
|
|
return 0;
|
|
else if (ap->st_bytes < bp->st_bytes)
|
|
return 1;
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int sort_p(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ap->st_p == bp->st_p)
|
|
return 0;
|
|
else if (ap->st_p < bp->st_p)
|
|
return 1;
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int sort_ttl(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ap->st_age == bp->st_age)
|
|
return 0;
|
|
else if (ap->st_age < bp->st_age)
|
|
return 1;
|
|
return -1;
|
|
}
|
|
|
|
static int sort_srcip(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ntohl(ap->st_src.in4.s_addr) == ntohl(bp->st_src.in4.s_addr))
|
|
return 0;
|
|
else if (ntohl(ap->st_src.in4.s_addr) > ntohl(bp->st_src.in4.s_addr))
|
|
return 1;
|
|
return -1;
|
|
}
|
|
|
|
static int sort_dstip(a, b)
|
|
const void *a;
|
|
const void *b;
|
|
{
|
|
register const statetop_t *ap = a;
|
|
register const statetop_t *bp = b;
|
|
|
|
if (ntohl(ap->st_dst.in4.s_addr) == ntohl(bp->st_dst.in4.s_addr))
|
|
return 0;
|
|
else if (ntohl(ap->st_dst.in4.s_addr) > ntohl(bp->st_dst.in4.s_addr))
|
|
return 1;
|
|
return -1;
|
|
}
|
|
#endif
|