File: [local] / src / sbin / ipfstat / Attic / fils.c (download)
Revision 1.24, Tue Jan 30 04:27:58 2001 UTC (23 years, 4 months ago) by kjell
Branch: MAIN
CVS Tags: OPENBSD_2_9_BASE, OPENBSD_2_9
Changes since 1.23: +109 -101 lines
reimplement whacked ipfstat changes
|
/* $OpenBSD: fils.c,v 1.24 2001/01/30 04:27:58 kjell Exp $ */
/*
* Copyright (C) 1993-2000 by Darren Reed.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and due credit is given
* to the original author and the contributors.
*/
#ifdef __FreeBSD__
# include <osreldate.h>
#endif
#include <stdio.h>
#include <string.h>
#if !defined(__SVR4) && !defined(__svr4__)
# include <strings.h>
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/file.h>
#if defined(STATETOP) && defined(sun) && !defined(__svr4__) && !defined(__SVR4)
#include <sys/select.h>
#endif
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <stddef.h>
#include <nlist.h>
#ifdef STATETOP
#include <ctype.h>
#include <ncurses.h>
#endif
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <net/if.h>
#if __FreeBSD_version >= 300000
# include <net/if_var.h>
#endif
#include <netdb.h>
#include <arpa/nameser.h>
#include <resolv.h>
#include <netinet/tcp.h>
#if defined(STATETOP) && !defined(linux)
# include <netinet/ip_var.h>
# include <netinet/tcp_fsm.h>
#endif
#include <netinet/ip_fil_compat.h>
#include <netinet/ip_fil.h>
#include "ipf.h"
#include <netinet/ip_proxy.h>
#include <netinet/ip_nat.h>
#include <netinet/ip_frag.h>
#include <netinet/ip_state.h>
#include <netinet/ip_auth.h>
#ifdef STATETOP
#include <netinet/ipl.h>
#endif
#include "kmem.h"
#if defined(__NetBSD__) || (__OpenBSD__)
# include <paths.h>
#endif
#if !defined(lint)
static const char sccsid[] = "@(#)fils.c 1.21 4/20/96 (C) 1993-2000 Darren Reed";
static const char rcsid[] = "@(#)$IPFilter: fils.c,v 2.21.2.7 2000/12/02 00:13:56 darrenr Exp $";
#endif
#define F_IN 0
#define F_OUT 1
#define F_AC 2
static char *filters[4] = { "ipfilter(in)", "ipfilter(out)",
"ipacct(in)", "ipacct(out)" };
int opts = 0;
#ifdef USE_INET6
int use_inet6 = 0;
#endif
#ifdef STATETOP
#define STSTRSIZE 80
#define STGROWSIZE 16
#define STSORT_PR 0
#define STSORT_PKTS 1
#define STSORT_BYTES 2
#define STSORT_TTL 3
#define STSORT_MAX STSORT_TTL
#define STSORT_DEFAULT STSORT_BYTES
typedef struct statetop {
union i6addr st_src;
union i6addr st_dst;
u_short st_sport;
u_short st_dport;
u_char st_p;
u_char st_state[2];
U_QUAD_T st_pkts;
U_QUAD_T st_bytes;
u_long st_age;
} statetop_t;
#endif
char *nlistf = NULL, *memf = NULL;
extern int main __P((int, char *[]));
static void showstats __P((int, friostat_t *));
static void showfrstates __P((int, ipfrstat_t *));
static void showlist __P((friostat_t *));
static void showipstates __P((int, ips_stat_t *));
static void showauthstates __P((int, fr_authstat_t *));
static void showgroups __P((friostat_t *));
static void Usage __P((char *));
static void printlist __P((frentry_t *));
static char *get_ifname __P((void *));
static char *hostname __P((int, void *));
static void parse_ipportstr __P((const char *, struct in_addr *, int *));
#ifdef STATETOP
static void topipstates __P((int, struct in_addr, struct in_addr, int, int, int, int, int));
static char *ttl_to_string __P((long));
static int sort_p __P((const void *, const void *));
static int sort_pkts __P((const void *, const void *));
static int sort_bytes __P((const void *, const void *));
static int sort_ttl __P((const void *, const void *));
#endif
static char *hostname(v, ip)
int v;
void *ip;
{
#ifdef USE_INET6
static char hostbuf[MAXHOSTNAMELEN+1];
#endif
struct in_addr ipa;
if (v == 4) {
ipa.s_addr = *(u_32_t *)ip;
return inet_ntoa(ipa);
}
#ifdef USE_INET6
(void) inet_ntop(AF_INET6, ip, hostbuf, sizeof(hostbuf) - 1);
hostbuf[MAXHOSTNAMELEN] = '\0';
return hostbuf;
#else
return "IPv6";
#endif
}
static void Usage(name)
char *name;
{
#ifdef USE_INET6
fprintf(stderr,
"Usage: %s [-6aAfhIinosv] [-d <device>] [-M core]\n", name);
#else
fprintf(stderr,
"Usage: %s [-aAfhIinosv] [-d <device>] [-M core]\n", name);
#endif
fprintf(stderr, " %s -t [-S source address] [-D destination address] [-P protocol] [-T refreshtime] [-C] [-d <device>]\n", name);
exit(1);
}
int main(argc,argv)
int argc;
char *argv[];
{
fr_authstat_t frauthst;
fr_authstat_t *frauthstp = &frauthst;
friostat_t fio;
friostat_t *fiop=&fio;
ips_stat_t ipsst;
ips_stat_t *ipsstp = &ipsst;
ipfrstat_t ifrst;
ipfrstat_t *ifrstp = &ifrst;
char *name = NULL, *device = IPL_NAME;
int c, fd;
struct protoent *proto;
int protocol = -1; /* -1 = wild card for any protocol */
int refreshtime = 1; /* default update time */
int sport = -1; /* -1 = wild card for any source port */
int dport = -1; /* -1 = wild card for any dest port */
int topclosed = 0; /* do not show closed tcp sessions */
struct in_addr saddr, daddr;
saddr.s_addr = INADDR_ANY; /* default any source addr */
daddr.s_addr = INADDR_ANY; /* default any dest addr */
while ((c = getopt(argc, argv, "6aACfghIilnostvd:M:D:P:S:T:")) != -1)
{
switch (c)
{
#ifdef USE_INET6
case '6' :
use_inet6 = 1;
break;
#endif
case 'a' :
opts |= OPT_ACCNT|OPT_SHOWLIST;
break;
case 'A' :
device = IPAUTH_NAME;
opts |= OPT_AUTHSTATS;
break;
case 'C' :
topclosed = 1;
break;
case 'd' :
device = optarg;
break;
case 'D' :
parse_ipportstr(optarg, &daddr, &dport);
break;
case 'f' :
opts |= OPT_FRSTATES;
break;
case 'g' :
opts |= OPT_GROUPS;
break;
case 'h' :
opts |= OPT_HITS;
break;
case 'i' :
opts |= OPT_INQUE|OPT_SHOWLIST;
break;
case 'I' :
opts |= OPT_INACTIVE;
break;
case 'l' :
opts |= OPT_SHOWLIST;
break;
case 'n' :
opts |= OPT_SHOWLINENO;
break;
case 'M' :
memf = optarg;
break;
case 'o' :
opts |= OPT_OUTQUE|OPT_SHOWLIST;
break;
case 'P' :
if ((proto = getprotobyname(optarg)) != NULL) {
protocol = proto->p_proto;
} else if (!sscanf(optarg, "%ud", &protocol) ||
(protocol < 0)) {
fprintf(stderr, "%s : Invalid protocol: %s\n",
argv[0], optarg);
exit(-2);
}
break;
case 's' :
opts |= OPT_IPSTATES;
break;
case 'S' :
parse_ipportstr(optarg, &saddr, &sport);
break;
case 't' :
#ifdef STATETOP
opts |= OPT_STATETOP;
break;
#else
fprintf(stderr,
"%s : state top facility not compiled in\n",
argv[0]);
exit(-2);
#endif
case 'T' :
if (!sscanf(optarg, "%d", &refreshtime) ||
(refreshtime <= 0)) {
fprintf(stderr,
"%s : Invalid refreshtime < 1 : %s\n",
argv[0], optarg);
exit(-2);
}
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
default :
Usage(argv[0]);
break;
}
}
if (nlistf != NULL || memf != NULL) {
(void)setuid(getuid());
(void)setgid(getgid());
}
if (openkmem(nlistf, memf) == -1)
exit(-1);
(void)setuid(getuid());
(void)setgid(getgid());
if ((fd = open(device, O_RDONLY)) < 0) {
perror("open");
exit(-1);
}
bzero((char *)&fio, sizeof(fio));
bzero((char *)&ipsst, sizeof(ipsst));
bzero((char *)&ifrst, sizeof(ifrst));
if (!(opts & OPT_AUTHSTATS) && ioctl(fd, SIOCGETFS, &fiop) == -1) {
perror("ioctl(ipf:SIOCGETFS)");
exit(-1);
}
if ((opts & OPT_IPSTATES)) {
int sfd = open(IPL_STATE, O_RDONLY);
if (sfd == -1) {
perror("open");
exit(-1);
}
if ((ioctl(sfd, SIOCGETFS, &ipsstp) == -1)) {
perror("ioctl(state:SIOCGETFS)");
exit(-1);
}
close(sfd);
}
if ((opts & OPT_FRSTATES) && (ioctl(fd, SIOCGFRST, &ifrstp) == -1)) {
perror("ioctl(SIOCGFRST)");
exit(-1);
}
if (opts & OPT_VERBOSE)
printf("opts %#x name %s\n", opts, name ? name : "<>");
if ((opts & OPT_AUTHSTATS) &&
(ioctl(fd, SIOCATHST, &frauthstp) == -1)) {
perror("ioctl(SIOCATHST)");
exit(-1);
}
if (opts & OPT_IPSTATES) {
showipstates(fd, ipsstp);
} else if (opts & OPT_SHOWLIST) {
showlist(&fio);
if ((opts & OPT_OUTQUE) && (opts & OPT_INQUE)){
opts &= ~OPT_OUTQUE;
showlist(&fio);
}
} else {
if (opts & OPT_FRSTATES)
showfrstates(fd, ifrstp);
#ifdef STATETOP
else if (opts & OPT_STATETOP)
topipstates(fd, saddr, daddr, sport, dport,
protocol, refreshtime, topclosed);
#endif
else if (opts & OPT_AUTHSTATS)
showauthstates(fd, frauthstp);
else if (opts & OPT_GROUPS)
showgroups(&fio);
else
showstats(fd, &fio);
}
return 0;
}
/*
* read the kernel stats for packets blocked and passed
*/
static void showstats(fd, fp)
int fd;
struct friostat *fp;
{
u_32_t frf = 0;
if (ioctl(fd, SIOCGETFF, &frf) == -1)
perror("ioctl(SIOCGETFF)");
#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\n",
fp->f_st[0].fr_nfr, fp->f_st[0].fr_bnfr);
printf("fragment state(out):\tkept %lu\tlost %lu\n",
fp->f_st[1].fr_nfr, fp->f_st[1].fr_bnfr);
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");
}
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 filter rule list
*/
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) {
i = F_AC;
if (opts & OPT_OUTQUE) {
fp = (struct frentry *)fiop->f_acctout[set];
i++;
} else if (opts & OPT_INQUE)
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) {
fprintf(stderr, "empty list for %s%s\n",
(opts & OPT_INACTIVE) ? "inactive " : "", filters[i]);
return;
}
printlist(fp);
}
static void showipstates(fd, ipsp)
int fd;
ips_stat_t *ipsp;
{
ipstate_t *istab[IPSTATE_SIZE], ips;
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 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;
while (ipsp->iss_list) {
if (kmemcpy((char *)&ips, (u_long)ipsp->iss_list, sizeof(ips)))
break;
ipsp->iss_list = ips.is_next;
printf("%s -> ", hostname(ips.is_v, &ips.is_src.in4));
printf("%s ttl %ld pass %#x pr %d state %d/%d\n",
hostname(ips.is_v, &ips.is_dst.in4),
ips.is_age, ips.is_pass, ips.is_p,
ips.is_state[0], ips.is_state[1]);
#ifdef USE_QUAD_T
printf("\tpkts %qu bytes %qu",
(unsigned long long) ips.is_pkts,
(unsigned long long) ips.is_bytes);
#else
printf("\tpkts %ld bytes %ld", ips.is_pkts, ips.is_bytes);
#endif
if (ips.is_p == IPPROTO_TCP)
#if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
(__FreeBSD_version >= 220000) || defined(__OpenBSD__)
printf("\t%hu -> %hu %x:%x %hu:%hu",
ntohs(ips.is_sport), ntohs(ips.is_dport),
ips.is_send, ips.is_dend,
ips.is_maxswin, ips.is_maxdwin);
#else
printf("\t%hu -> %hu %x:%x %hu:%hu",
ntohs(ips.is_sport), ntohs(ips.is_dport),
ips.is_send, ips.is_dend,
ips.is_maxswin, ips.is_maxdwin);
#endif
else if (ips.is_p == IPPROTO_UDP)
printf(" %hu -> %hu", ntohs(ips.is_sport),
ntohs(ips.is_dport));
else if (ips.is_p == IPPROTO_ICMP
#ifdef USE_INET6
|| ips.is_p == IPPROTO_ICMPV6
#endif
)
printf(" %hu %hu %d", ips.is_icmp.ics_id,
ips.is_icmp.ics_seq, ips.is_icmp.ics_type);
printf("\n\t");
if (ips.is_pass & FR_PASS) {
printf("pass");
} else if (ips.is_pass & FR_BLOCK) {
printf("block");
switch (ips.is_pass & FR_RETMASK)
{
case FR_RETICMP :
printf(" return-icmp");
break;
case FR_FAKEICMP :
printf(" return-icmp-as-dest");
break;
case FR_RETRST :
printf(" return-rst");
break;
default :
break;
}
} else if ((ips.is_pass & FR_LOGMASK) == FR_LOG) {
printf("log");
if (ips.is_pass & FR_LOGBODY)
printf(" body");
if (ips.is_pass & FR_LOGFIRST)
printf(" first");
} else if (ips.is_pass & FR_ACCOUNT)
printf("count");
if (ips.is_pass & FR_OUTQUE)
printf(" out");
else
printf(" in");
if ((ips.is_pass & FR_LOG) != 0) {
printf(" log");
if (ips.is_pass & FR_LOGBODY)
printf(" body");
if (ips.is_pass & FR_LOGFIRST)
printf(" first");
if (ips.is_pass & FR_LOGORBLOCK)
printf(" or-block");
}
if (ips.is_pass & FR_QUICK)
printf(" quick");
if (ips.is_pass & FR_KEEPFRAG)
printf(" keep frags");
/* a given; no? */
if (ips.is_pass & FR_KEEPSTATE)
printf(" keep state");
printf("\tIPv%d", ips.is_v);
printf("\n");
printf("\tpkt_flags & %x(%x) = %x,\t",
ips.is_flags & 0xf, ips.is_flags,
ips.is_flags >> 4);
printf("\tpkt_options & %x = %x\n", ips.is_optmsk,
ips.is_opt);
printf("\tpkt_security & %x = %x, pkt_auth & %x = %x\n",
ips.is_secmsk, ips.is_sec, ips.is_authmsk,
ips.is_auth);
printf("interfaces: in %s[%p] ",
get_ifname(ips.is_ifpin), ips.is_ifpin);
printf("out %s[%p]\n",
get_ifname(ips.is_ifpout), ips.is_ifpout);
}
}
#ifdef STATETOP
static void topipstates(fd, saddr, daddr, sport, dport, protocol,
refreshtime, topclosed)
int fd;
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, sfd, winx, tsentry, maxx, maxy, redraw = 0;
ipstate_t *istab[IPSTATE_SIZE], ips;
ips_stat_t ipsst, *ipsstp = &ipsst;
statetop_t *tstable = NULL, *tp;
struct timeval selecttimeout;
struct protoent *proto;
fd_set readfd;
char c = '\0';
time_t t;
/* open state device */
if ((sfd = open(IPL_STATE, O_RDONLY)) == -1) {
perror("open");
exit(-1);
}
/* init ncurses stuff */
initscr();
cbreak();
noecho();
nodelay(stdscr, 1);
/* repeat until user aborts */
while ( 1 ) {
/* get state table */
bzero((char *)&ipsst, sizeof(&ipsst));
if ((ioctl(sfd, 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_CLOSE_WAIT) ||
(ips.is_state[1] < TCPS_CLOSE_WAIT))) {
/*
* 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;
default:
break;
}
/* print title */
erase();
getmaxyx(stdscr, maxy, maxx);
attron(A_BOLD);
winx = 0;
move(winx,0);
sprintf(str1, "%s - state top", 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;
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;
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 */
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))
while ((c = wgetch(stdscr)) != ERR) {
if (tolower(c) == 'l') {
redraw = 1;
} else if (tolower(c) == 'q') {
nocbreak();
endwin();
exit(0);
} else if (tolower(c) == 'r') {
reverse = !reverse;
} else if (tolower(c) == 's') {
sorting++;
if (sorting > STSORT_MAX)
sorting = 0;
}
}
} /* while */
close(sfd);
printw("\n");
nocbreak();
endwin();
}
#endif
static void showfrstates(fd, ifsp)
int fd;
ipfrstat_t *ifsp;
{
struct ipfr *ipfrtab[IPFT_SIZE], ifr;
frentry_t fr;
int i;
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;
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 %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;
}
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;
}
}
static void showauthstates(fd, asp)
int fd;
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;
}
}
static char *get_ifname(ptr)
void *ptr;
{
#if SOLARIS
char *ifname;
ill_t ill;
if (ptr == (void *)-1)
return "!";
if (ptr == NULL)
return "-";
if (kmemcpy((char *)&ill, (u_long)ptr, sizeof(ill)) == -1)
return "X";
ifname = malloc(ill.ill_name_length + 1);
if (kmemcpy(ifname, (u_long)ill.ill_name,
ill.ill_name_length) == -1)
return "X";
return ifname;
#else
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
defined(__OpenBSD__)
#else
char buf[32];
int len;
# endif
struct ifnet netif;
if (ptr == (void *)-1)
return "!";
if (ptr == NULL)
return "-";
if (kmemcpy((char *)&netif, (u_long)ptr, sizeof(netif)) == -1)
return "X";
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
defined(__OpenBSD__)
return strdup(netif.if_xname);
# else
if (kstrncpy(buf, (u_long)netif.if_name, sizeof(buf)) == -1)
return "X";
if (netif.if_unit < 10)
len = 2;
else if (netif.if_unit < 1000)
len = 3;
else if (netif.if_unit < 10000)
len = 4;
else
len = 5;
buf[sizeof(buf) - len] = '\0';
sprintf(buf + strlen(buf), "%d", netif.if_unit % 10000);
return strdup(buf);
# endif
#endif
}
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;
}
#endif
![[BACK]](/icons/back.gif){kind=icon}
Return to fils.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / sbin / ipfstat