NetBSD-5.0.2/dist/ipf/tools/ippool.c
/* $NetBSD: ippool.c,v 1.6 2008/05/20 07:08:07 darrenr Exp $ */
/*
* Copyright (C) 2002-2006 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/socket.h>
#if defined(BSD) && (BSD >= 199306)
# include <sys/cdefs.h>
#endif
#include <sys/ioctl.h>
#include <net/if.h>
#if __FreeBSD_version >= 300000
# include <net/if_var.h>
#endif
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <ctype.h>
#include <unistd.h>
#ifdef linux
# include <linux/a.out.h>
#else
# include <nlist.h>
#endif
#include "ipf.h"
#include "netinet/ipl.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_pool.h"
#include "netinet/ip_htable.h"
#include "kmem.h"
extern int ippool_yyparse __P((void));
extern int ippool_yydebug;
extern FILE *ippool_yyin;
extern char *optarg;
extern int lineNum;
void usage __P((char *));
int main __P((int, char **));
int poolcommand __P((int, int, char *[]));
int poolnodecommand __P((int, int, char *[]));
int loadpoolfile __P((int, char *[], char *));
int poollist __P((int, char *[]));
void poollist_dead __P((int, char *, int, char *, char *));
void poollist_live __P((int, char *, int, int));
int poolflush __P((int, char *[]));
int poolstats __P((int, char *[]));
int gettype __P((char *, u_int *));
int getrole __P((char *));
int setnodeaddr __P((ip_pool_node_t *node, char *arg));
void showpools_live __P((int, int, ip_pool_stat_t *, char *));
void showhashs_live __P((int, int, iphtstat_t *, char *));
int opts = 0;
int fd = -1;
int use_inet6 = 0;
void usage(prog)
char *prog;
{
fprintf(stderr, "Usage:\t%s\n", prog);
fprintf(stderr, "\t\t\t-a [-dnv] [-m <name>] [-o <role>] -i <ipaddr>[/netmask]\n");
fprintf(stderr, "\t\t\t-A [-dnv] [-m <name>] [-o <role>] [-S <seed>] [-t <type>]\n");
fprintf(stderr, "\t\t\t-f <file> [-dnuv]\n");
fprintf(stderr, "\t\t\t-F [-dv] [-o <role>] [-t <type>]\n");
fprintf(stderr, "\t\t\t-l [-dv] [-m <name>] [-t <type>]\n");
fprintf(stderr, "\t\t\t-r [-dnv] [-m <name>] [-o <role>] -i <ipaddr>[/netmask]\n");
fprintf(stderr, "\t\t\t-R [-dnv] [-m <name>] [-o <role>] [-t <type>]\n");
fprintf(stderr, "\t\t\t-s [-dtv] [-M <core>] [-N <namelist>]\n");
exit(1);
}
int main(argc, argv)
int argc;
char *argv[];
{
int err;
if (argc < 2)
usage(argv[0]);
switch (getopt(argc, argv, "aAf:FlrRs"))
{
case 'a' :
err = poolnodecommand(0, argc, argv);
break;
case 'A' :
err = poolcommand(0, argc, argv);
break;
case 'f' :
err = loadpoolfile(argc, argv, optarg);
break;
case 'F' :
err = poolflush(argc, argv);
break;
case 'l' :
err = poollist(argc, argv);
break;
case 'r' :
err = poolnodecommand(1, argc, argv);
break;
case 'R' :
err = poolcommand(1, argc, argv);
break;
case 's' :
err = poolstats(argc, argv);
break;
default :
exit(1);
}
if (err != 0)
exit(1);
return 0;
}
int poolnodecommand(remove, argc, argv)
int remove, argc;
char *argv[];
{
int err, c, ipset, role;
char *poolname = NULL;
ip_pool_node_t node;
ipset = 0;
role = IPL_LOGIPF;
bzero((char *)&node, sizeof(node));
while ((c = getopt(argc, argv, "di:m:no:Rv")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
ippool_yydebug++;
break;
case 'i' :
if (setnodeaddr(&node, optarg) == 0)
ipset = 1;
break;
case 'm' :
poolname = optarg;
break;
case 'n' :
opts |= OPT_DONOTHING;
break;
case 'o' :
role = getrole(optarg);
if (role == IPL_LOGNONE)
return -1;
break;
case 'R' :
opts |= OPT_NORESOLVE;
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (argv[optind] != NULL && ipset == 0) {
if (setnodeaddr(&node, argv[optind]) == 0)
ipset = 1;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "poolnodecommand: opts = %#x\n", opts);
if (ipset == 0) {
fprintf(stderr, "no IP address given with -i\n");
return -1;
}
if (poolname == NULL) {
fprintf(stderr, "poolname not given with add/remove node\n");
return -1;
}
if (remove == 0)
err = load_poolnode(0, poolname, &node, ioctl);
else
err = remove_poolnode(0, poolname, &node, ioctl);
return err;
}
int poolcommand(remove, argc, argv)
int remove, argc;
char *argv[];
{
int type, role, c, err;
char *poolname;
iphtable_t iph;
ip_pool_t pool;
err = 1;
role = 0;
type = 0;
poolname = NULL;
role = IPL_LOGIPF;
bzero((char *)&iph, sizeof(iph));
bzero((char *)&pool, sizeof(pool));
while ((c = getopt(argc, argv, "dm:no:RSt:v")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
ippool_yydebug++;
break;
case 'm' :
poolname = optarg;
break;
case 'n' :
opts |= OPT_DONOTHING;
break;
case 'o' :
role = getrole(optarg);
if (role == IPL_LOGNONE) {
fprintf(stderr, "unknown role '%s'\n", optarg);
return -1;
}
break;
case 'R' :
opts |= OPT_NORESOLVE;
break;
case 'S' :
iph.iph_seed = atoi(optarg);
break;
case 't' :
type = gettype(optarg, &iph.iph_type);
if (type == IPLT_NONE) {
fprintf(stderr, "unknown type '%s'\n", optarg);
return -1;
}
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "poolcommand: opts = %#x\n", opts);
if (poolname == NULL) {
fprintf(stderr, "poolname not given with add/remove pool\n");
return -1;
}
if (type == IPLT_HASH) {
strncpy(iph.iph_name, poolname, sizeof(iph.iph_name));
iph.iph_name[sizeof(iph.iph_name) - 1] = '\0';
iph.iph_unit = role;
} else if (type == IPLT_POOL) {
strncpy(pool.ipo_name, poolname, sizeof(pool.ipo_name));
pool.ipo_name[sizeof(pool.ipo_name) - 1] = '\0';
pool.ipo_unit = role;
}
if (remove == 0) {
switch (type)
{
case IPLT_HASH :
err = load_hash(&iph, NULL, ioctl);
break;
case IPLT_POOL :
err = load_pool(&pool, ioctl);
break;
}
} else {
switch (type)
{
case IPLT_HASH :
err = remove_hash(&iph, ioctl);
break;
case IPLT_POOL :
err = remove_pool(&pool, ioctl);
break;
}
}
return err;
}
int loadpoolfile(argc, argv, infile)
int argc;
char *argv[], *infile;
{
int c;
infile = optarg;
while ((c = getopt(argc, argv, "dnRuv")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
ippool_yydebug++;
break;
case 'n' :
opts |= OPT_DONOTHING;
break;
case 'R' :
opts |= OPT_NORESOLVE;
break;
case 'u' :
opts |= OPT_REMOVE;
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "loadpoolfile: opts = %#x\n", opts);
if (!(opts & OPT_DONOTHING) && (fd == -1)) {
fd = open(IPLOOKUP_NAME, O_RDWR);
if (fd == -1) {
perror("open(IPLOOKUP_NAME)");
exit(1);
}
}
if (ippool_parsefile(fd, infile, ioctl) != 0)
return -1;
return 0;
}
int poolstats(argc, argv)
int argc;
char *argv[];
{
int c, type, role, live_kernel;
ip_pool_stat_t plstat;
char *kernel, *core;
iphtstat_t htstat;
iplookupop_t op;
core = NULL;
kernel = NULL;
live_kernel = 1;
type = IPLT_ALL;
role = IPL_LOGALL;
bzero((char *)&op, sizeof(op));
while ((c = getopt(argc, argv, "dM:N:o:t:v")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
break;
case 'M' :
live_kernel = 0;
core = optarg;
break;
case 'N' :
live_kernel = 0;
kernel = optarg;
break;
case 'o' :
role = getrole(optarg);
if (role == IPL_LOGNONE) {
fprintf(stderr, "unknown role '%s'\n", optarg);
return -1;
}
break;
case 't' :
type = gettype(optarg, NULL);
if (type != IPLT_POOL) {
fprintf(stderr,
"-s not supported for this type yet\n");
return -1;
}
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "poolstats: opts = %#x\n", opts);
if (!(opts & OPT_DONOTHING) && (fd == -1)) {
fd = open(IPLOOKUP_NAME, O_RDWR);
if (fd == -1) {
perror("open(IPLOOKUP_NAME)");
exit(1);
}
}
if (type == IPLT_ALL || type == IPLT_POOL) {
op.iplo_type = IPLT_POOL;
op.iplo_struct = &plstat;
op.iplo_size = sizeof(plstat);
if (!(opts & OPT_DONOTHING)) {
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return -1;
}
printf("Pools:\t%lu\n", plstat.ipls_pools);
printf("Nodes:\t%lu\n", plstat.ipls_nodes);
}
}
if (type == IPLT_ALL || type == IPLT_HASH) {
op.iplo_type = IPLT_HASH;
op.iplo_struct = &htstat;
op.iplo_size = sizeof(htstat);
if (!(opts & OPT_DONOTHING)) {
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return -1;
}
printf("Hash Tables:\t%lu\n", htstat.iphs_numtables);
printf("Nodes:\t%lu\n", htstat.iphs_numnodes);
printf("Out of Memory:\t%lu\n", htstat.iphs_nomem);
}
}
return 0;
}
int poolflush(argc, argv)
int argc;
char *argv[];
{
int c, role, type, arg;
iplookupflush_t flush;
arg = IPLT_ALL;
type = IPLT_ALL;
role = IPL_LOGALL;
while ((c = getopt(argc, argv, "do:t:v")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
break;
case 'o' :
role = getrole(optarg);
if (role == IPL_LOGNONE) {
fprintf(stderr, "unknown role '%s'\n", optarg);
return -1;
}
break;
case 't' :
type = gettype(optarg, NULL);
if (type == IPLT_NONE) {
fprintf(stderr, "unknown type '%s'\n", optarg);
return -1;
}
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "poolflush: opts = %#x\n", opts);
if (!(opts & OPT_DONOTHING) && (fd == -1)) {
fd = open(IPLOOKUP_NAME, O_RDWR);
if (fd == -1) {
perror("open(IPLOOKUP_NAME)");
exit(1);
}
}
bzero((char *)&flush, sizeof(flush));
flush.iplf_type = type;
flush.iplf_unit = role;
flush.iplf_arg = arg;
if (!(opts & OPT_DONOTHING)) {
if (ioctl(fd, SIOCLOOKUPFLUSH, &flush) == -1) {
perror("ioctl(SIOCLOOKUPFLUSH)");
exit(1);
}
}
printf("%zu object%s flushed\n", flush.iplf_count,
(flush.iplf_count == 1) ? "" : "s");
return 0;
}
int getrole(rolename)
char *rolename;
{
int role;
if (!strcasecmp(rolename, "ipf")) {
role = IPL_LOGIPF;
#if 0
} else if (!strcasecmp(rolename, "nat")) {
role = IPL_LOGNAT;
} else if (!strcasecmp(rolename, "state")) {
role = IPL_LOGSTATE;
} else if (!strcasecmp(rolename, "auth")) {
role = IPL_LOGAUTH;
} else if (!strcasecmp(rolename, "sync")) {
role = IPL_LOGSYNC;
} else if (!strcasecmp(rolename, "scan")) {
role = IPL_LOGSCAN;
} else if (!strcasecmp(rolename, "pool")) {
role = IPL_LOGLOOKUP;
} else if (!strcasecmp(rolename, "count")) {
role = IPL_LOGCOUNT;
#endif
} else {
role = IPL_LOGNONE;
}
return role;
}
int gettype(typename, minor)
char *typename;
u_int *minor;
{
int type;
if (!strcasecmp(optarg, "tree") || !strcasecmp(optarg, "pool")) {
type = IPLT_POOL;
} else if (!strcasecmp(optarg, "hash")) {
type = IPLT_HASH;
if (minor != NULL)
*minor = IPHASH_LOOKUP;
} else if (!strcasecmp(optarg, "group-map")) {
type = IPLT_HASH;
if (minor != NULL)
*minor = IPHASH_GROUPMAP;
} else {
type = IPLT_NONE;
}
return type;
}
int poollist(argc, argv)
int argc;
char *argv[];
{
char *kernel, *core, *poolname;
int c, role, type, live_kernel;
iplookupop_t op;
core = NULL;
kernel = NULL;
live_kernel = 1;
type = IPLT_ALL;
poolname = NULL;
role = IPL_LOGALL;
while ((c = getopt(argc, argv, "dm:M:N:o:Rt:v")) != -1)
switch (c)
{
case 'd' :
opts |= OPT_DEBUG;
break;
case 'm' :
poolname = optarg;
break;
case 'M' :
live_kernel = 0;
core = optarg;
break;
case 'N' :
live_kernel = 0;
kernel = optarg;
break;
case 'o' :
role = getrole(optarg);
if (role == IPL_LOGNONE) {
fprintf(stderr, "unknown role '%s'\n", optarg);
return -1;
}
break;
case 'R' :
opts |= OPT_NORESOLVE;
break;
case 't' :
type = gettype(optarg, NULL);
if (type == IPLT_NONE) {
fprintf(stderr, "unknown type '%s'\n", optarg);
return -1;
}
break;
case 'v' :
opts |= OPT_VERBOSE;
break;
}
if (opts & OPT_DEBUG)
fprintf(stderr, "poollist: opts = %#x\n", opts);
if (!(opts & OPT_DONOTHING) && (fd == -1)) {
fd = open(IPLOOKUP_NAME, O_RDWR);
if (fd == -1) {
perror("open(IPLOOKUP_NAME)");
exit(1);
}
}
bzero((char *)&op, sizeof(op));
if (poolname != NULL) {
strncpy(op.iplo_name, poolname, sizeof(op.iplo_name));
op.iplo_name[sizeof(op.iplo_name) - 1] = '\0';
}
op.iplo_unit = role;
if (live_kernel)
poollist_live(role, poolname, type, fd);
else
poollist_dead(role, poolname, type, kernel, core);
return 0;
}
void poollist_dead(role, poolname, type, kernel, core)
int role, type;
char *poolname, *kernel, *core;
{
iphtable_t *hptr;
ip_pool_t *ptr;
if (openkmem(kernel, core) == -1)
exit(-1);
if (type == IPLT_ALL || type == IPLT_POOL) {
ip_pool_t *pools[IPL_LOGSIZE];
struct nlist names[2] = { { "ip_pool_list" } , { "" } };
if (nlist(kernel, names) != 1)
return;
bzero(&pools, sizeof(pools));
if (kmemcpy((char *)&pools, names[0].n_value, sizeof(pools)))
return;
if (role != IPL_LOGALL) {
ptr = pools[role];
while (ptr != NULL) {
ptr = printpool(ptr, kmemcpywrap, poolname,
opts);
}
} else {
for (role = 0; role <= IPL_LOGMAX; role++) {
ptr = pools[role];
while (ptr != NULL) {
ptr = printpool(ptr, kmemcpywrap,
poolname, opts);
}
}
role = IPL_LOGALL;
}
}
if (type == IPLT_ALL || type == IPLT_HASH) {
iphtable_t *tables[IPL_LOGSIZE];
struct nlist names[2] = { { "ipf_htables" } , { "" } };
if (nlist(kernel, names) != 1)
return;
bzero(&tables, sizeof(tables));
if (kmemcpy((char *)&tables, names[0].n_value, sizeof(tables)))
return;
if (role != IPL_LOGALL) {
hptr = tables[role];
while (hptr != NULL) {
hptr = printhash(hptr, kmemcpywrap,
poolname, opts);
}
} else {
for (role = 0; role <= IPL_LOGMAX; role++) {
hptr = tables[role];
while (hptr != NULL) {
hptr = printhash(hptr, kmemcpywrap,
poolname, opts);
}
}
}
}
}
void poollist_live(role, poolname, type, fd)
int role, type, fd;
char *poolname;
{
ip_pool_stat_t plstat;
iphtstat_t htstat;
iplookupop_t op;
int c;
if (type == IPLT_ALL || type == IPLT_POOL) {
op.iplo_type = IPLT_POOL;
op.iplo_size = sizeof(plstat);
op.iplo_struct = &plstat;
op.iplo_name[0] = '\0';
op.iplo_arg = 0;
if (role != IPL_LOGALL) {
op.iplo_unit = role;
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return;
}
showpools_live(fd, role, &plstat, poolname);
} else {
for (role = 0; role <= IPL_LOGMAX; role++) {
op.iplo_unit = role;
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return;
}
showpools_live(fd, role, &plstat, poolname);
}
role = IPL_LOGALL;
}
}
if (type == IPLT_ALL || type == IPLT_HASH) {
op.iplo_type = IPLT_HASH;
op.iplo_size = sizeof(htstat);
op.iplo_struct = &htstat;
op.iplo_name[0] = '\0';
op.iplo_arg = 0;
if (role != IPL_LOGALL) {
op.iplo_unit = role;
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return;
}
showhashs_live(fd, role, &htstat, poolname);
} else {
for (role = 0; role <= IPL_LOGMAX; role++) {
op.iplo_unit = role;
c = ioctl(fd, SIOCLOOKUPSTAT, &op);
if (c == -1) {
perror("ioctl(SIOCLOOKUPSTAT)");
return;
}
showhashs_live(fd, role, &htstat, poolname);
}
}
}
}
void showpools_live(fd, role, plstp, poolname)
int fd, role;
ip_pool_stat_t *plstp;
char *poolname;
{
ipflookupiter_t iter;
ip_pool_t pool;
ipfobj_t obj;
obj.ipfo_rev = IPFILTER_VERSION;
obj.ipfo_type = IPFOBJ_LOOKUPITER;
obj.ipfo_size = sizeof(iter);
obj.ipfo_ptr = &iter;
iter.ili_type = IPLT_POOL;
iter.ili_otype = IPFLOOKUPITER_LIST;
iter.ili_ival = IPFGENITER_LOOKUP;
iter.ili_nitems = 1;
iter.ili_data = &pool;
iter.ili_unit = role;
*iter.ili_name = '\0';
while (plstp->ipls_list[role] != NULL) {
if (ioctl(fd, SIOCLOOKUPITER, &obj)) {
perror("ioctl(SIOCLOOKUPITER)");
break;
}
printpool_live(&pool, fd, poolname, opts);
plstp->ipls_list[role] = pool.ipo_next;
}
}
void showhashs_live(fd, role, htstp, poolname)
int fd, role;
iphtstat_t *htstp;
char *poolname;
{
ipflookupiter_t iter;
iphtable_t table;
ipfobj_t obj;
obj.ipfo_rev = IPFILTER_VERSION;
obj.ipfo_type = IPFOBJ_LOOKUPITER;
obj.ipfo_size = sizeof(iter);
obj.ipfo_ptr = &iter;
iter.ili_type = IPLT_HASH;
iter.ili_otype = IPFLOOKUPITER_LIST;
iter.ili_ival = IPFGENITER_LOOKUP;
iter.ili_nitems = 1;
iter.ili_data = &table;
iter.ili_unit = role;
*iter.ili_name = '\0';
while (htstp->iphs_tables != NULL) {
if (ioctl(fd, SIOCLOOKUPITER, &obj)) {
perror("ioctl(SIOCLOOKUPITER)");
break;
}
printhash_live(&table, fd, poolname, opts);
htstp->iphs_tables = table.iph_next;
}
}
int setnodeaddr(ip_pool_node_t *node, char *arg)
{
struct in_addr mask;
char *s;
s = strchr(arg, '/');
if (s == NULL)
mask.s_addr = 0xffffffff;
else if (strchr(s, '.') == NULL) {
if (ntomask(4, atoi(s + 1), &mask.s_addr) != 0)
return -1;
} else {
mask.s_addr = inet_addr(s + 1);
}
if (s != NULL)
*s = '\0';
node->ipn_addr.adf_len = sizeof(node->ipn_addr);
node->ipn_addr.adf_addr.in4.s_addr = inet_addr(arg);
node->ipn_mask.adf_len = sizeof(node->ipn_mask);
node->ipn_mask.adf_addr.in4.s_addr = mask.s_addr;
return 0;
}