[mirror_iproute2.git] / tc / m_xt_old.c

/*
 * m_xt.c	xtables based targets
 * 		utilities mostly ripped from iptables <duh, its the linux way>
 *
 *		This program is free software; you can distribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 *
 * Authors:  J Hadi Salim (hadi@cyberus.ca)
 */

/*XXX: in the future (xtables 1.4.3?) get rid of everything tagged
 * as TC_CONFIG_XT_H */

#include <syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <xtables.h>
#include "utils.h"
#include "tc_util.h"
#include <linux/tc_act/tc_ipt.h>
#include <stdio.h>
#include <getopt.h>
#include <errno.h>
#include <string.h>
#include <netdb.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdarg.h>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/wait.h>
#ifdef TC_CONFIG_XT_H
#include "xt-internal.h"
#endif

static const char *pname = "tc-ipt";
static const char *tname = "mangle";
static const char *pversion = "0.2";

static const char *ipthooks[] = {
	"NF_IP_PRE_ROUTING",
	"NF_IP_LOCAL_IN",
	"NF_IP_FORWARD",
	"NF_IP_LOCAL_OUT",
	"NF_IP_POST_ROUTING",
};

static struct option original_opts[] = {
	{"jump", 1, 0, 'j'},
	{0, 0, 0, 0}
};

static struct option *opts = original_opts;
static unsigned int global_option_offset = 0;
char *lib_dir;
const char *program_version = XTABLES_VERSION;
const char *program_name = "tc-ipt";
struct afinfo afinfo = {
	.family         = AF_INET,
	.libprefix      = "libxt_",
	.ipproto        = IPPROTO_IP,
	.kmod           = "ip_tables",
	.so_rev_target  = IPT_SO_GET_REVISION_TARGET,
};


#define OPTION_OFFSET 256

/*XXX: TC_CONFIG_XT_H */
static void free_opts(struct option *local_opts)
{
	if (local_opts != original_opts) {
		free(local_opts);
		opts = original_opts;
		global_option_offset = 0;
	}
}

/*XXX: TC_CONFIG_XT_H */
static struct option *
merge_options(struct option *oldopts, const struct option *newopts,
	      unsigned int *option_offset)
{
	struct option *merge;
	unsigned int num_old, num_new, i;

	for (num_old = 0; oldopts[num_old].name; num_old++) ;
	for (num_new = 0; newopts[num_new].name; num_new++) ;

	*option_offset = global_option_offset + OPTION_OFFSET;

	merge = malloc(sizeof (struct option) * (num_new + num_old + 1));
	memcpy(merge, oldopts, num_old * sizeof (struct option));
	for (i = 0; i < num_new; i++) {
		merge[num_old + i] = newopts[i];
		merge[num_old + i].val += *option_offset;
	}
	memset(merge + num_old + num_new, 0, sizeof (struct option));

	return merge;
}


/*XXX: TC_CONFIG_XT_H */
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

/*XXX: TC_CONFIG_XT_H */
int
check_inverse(const char option[], int *invert, int *my_optind, int argc)
{
        if (option && strcmp(option, "!") == 0) {
                if (*invert)
                        exit_error(PARAMETER_PROBLEM,
                                   "Multiple `!' flags not allowed");
                *invert = TRUE;
                if (my_optind != NULL) {
                        ++*my_optind;
                        if (argc && *my_optind > argc)
                                exit_error(PARAMETER_PROBLEM,
                                           "no argument following `!'");
                }

                return TRUE;
        }
        return FALSE;
}

/*XXX: TC_CONFIG_XT_H */
void exit_error(enum exittype status, const char *msg, ...)
{
        va_list args;

        va_start(args, msg);
        fprintf(stderr, "%s v%s: ", pname, pversion);
        vfprintf(stderr, msg, args);
        va_end(args);
        fprintf(stderr, "\n");
        /* On error paths, make sure that we don't leak memory */
        exit(status);
}

/*XXX: TC_CONFIG_XT_H */
static void set_revision(char *name, u_int8_t revision)
{
	/* Old kernel sources don't have ".revision" field,
	*  but we stole a byte from name. */
	name[IPT_FUNCTION_MAXNAMELEN - 2] = '\0';
	name[IPT_FUNCTION_MAXNAMELEN - 1] = revision;
}

/*
 * we may need to check for version mismatch
*/
int
build_st(struct xtables_target *target, struct xt_entry_target *t)
{

	size_t size =
		    XT_ALIGN(sizeof (struct xt_entry_target)) + target->size;

	if (NULL == t) {
		target->t = fw_calloc(1, size);
		target->t->u.target_size = size;
		strcpy(target->t->u.user.name, target->name);
		set_revision(target->t->u.user.name, target->revision);

		if (target->init != NULL)
			target->init(target->t);
	} else {
		target->t = t;
	}
	return 0;

}

inline void set_lib_dir(void)
{

	lib_dir = getenv("XTABLES_LIBDIR");
	if (!lib_dir) {
		lib_dir = getenv("IPTABLES_LIB_DIR");
		if (lib_dir)
			fprintf(stderr, "using deprecated IPTABLES_LIB_DIR \n");
	}
	if (lib_dir == NULL)
		lib_dir = XT_LIB_DIR;

}

static int parse_ipt(struct action_util *a,int *argc_p,
		     char ***argv_p, int tca_id, struct nlmsghdr *n)
{
	struct xtables_target *m = NULL;
	struct ipt_entry fw;
	struct rtattr *tail;
	int c;
	int rargc = *argc_p;
	char **argv = *argv_p;
	int argc = 0, iargc = 0;
	char k[16];
	int res = -1;
	int size = 0;
	int iok = 0, ok = 0;
	__u32 hook = 0, index = 0;
	res = 0;

	set_lib_dir();

	{
		int i;
		for (i = 0; i < rargc; i++) {
			if (NULL == argv[i] || 0 == strcmp(argv[i], "action")) {
				break;
			}
		}
		iargc = argc = i;
	}

	if (argc <= 2) {
		fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc);
		return -1;
	}

	while (1) {
		c = getopt_long(argc, argv, "j:", opts, NULL);
		if (c == -1)
			break;
		switch (c) {
		case 'j':
			m = find_target(optarg, TRY_LOAD);
			if (NULL != m) {

				if (0 > build_st(m, NULL)) {
					printf(" %s error \n", m->name);
					return -1;
				}
				opts =
				    merge_options(opts, m->extra_opts,
						  &m->option_offset);
			} else {
				fprintf(stderr," failed to find target %s\n\n", optarg);
				return -1;
			}
			ok++;
			break;

		default:
			memset(&fw, 0, sizeof (fw));
			if (m) {
				m->parse(c - m->option_offset, argv, 0,
					 &m->tflags, NULL, &m->t);
			} else {
				fprintf(stderr," failed to find target %s\n\n", optarg);
				return -1;

			}
			ok++;
			break;

		}
	}

	if (iargc > optind) {
		if (matches(argv[optind], "index") == 0) {
			if (get_u32(&index, argv[optind + 1], 10)) {
				fprintf(stderr, "Illegal \"index\"\n");
				free_opts(opts);
				return -1;
			}
			iok++;

			optind += 2;
		}
	}

	if (!ok && !iok) {
		fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv);
		return -1;
	}

	/* check that we passed the correct parameters to the target */
	if (m)
		m->final_check(m->tflags);

	{
		struct tcmsg *t = NLMSG_DATA(n);
		if (t->tcm_parent != TC_H_ROOT
		    && t->tcm_parent == TC_H_MAJ(TC_H_INGRESS)) {
			hook = NF_IP_PRE_ROUTING;
		} else {
			hook = NF_IP_POST_ROUTING;
		}
	}

	tail = NLMSG_TAIL(n);
	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
	fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]);
	fprintf(stdout, "\ttarget: ");

	if (m)
		m->print(NULL, m->t, 0);
	fprintf(stdout, " index %d\n", index);

	if (strlen(tname) > 16) {
		size = 16;
		k[15] = 0;
	} else {
		size = 1 + strlen(tname);
	}
	strncpy(k, tname, size);

	addattr_l(n, MAX_MSG, TCA_IPT_TABLE, k, size);
	addattr_l(n, MAX_MSG, TCA_IPT_HOOK, &hook, 4);
	addattr_l(n, MAX_MSG, TCA_IPT_INDEX, &index, 4);
	if (m)
		addattr_l(n, MAX_MSG, TCA_IPT_TARG, m->t, m->t->u.target_size);
	tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;

	argc -= optind;
	argv += optind;
	*argc_p = rargc - iargc;
	*argv_p = argv;

	optind = 0;
	free_opts(opts);
	/* Clear flags if target will be used again */
        m->tflags=0;
        m->used=0;
	/* Free allocated memory */
        if (m->t)
            free(m->t);


	return 0;

}

static int
print_ipt(struct action_util *au,FILE * f, struct rtattr *arg)
{
	struct rtattr *tb[TCA_IPT_MAX + 1];
	struct xt_entry_target *t = NULL;

	if (arg == NULL)
		return -1;

	set_lib_dir();

	parse_rtattr_nested(tb, TCA_IPT_MAX, arg);

	if (tb[TCA_IPT_TABLE] == NULL) {
		fprintf(f, "[NULL ipt table name ] assuming mangle ");
	} else {
		fprintf(f, "tablename: %s ",
			(char *) RTA_DATA(tb[TCA_IPT_TABLE]));
	}

	if (tb[TCA_IPT_HOOK] == NULL) {
		fprintf(f, "[NULL ipt hook name ]\n ");
		return -1;
	} else {
		__u32 hook;
		hook = *(__u32 *) RTA_DATA(tb[TCA_IPT_HOOK]);
		fprintf(f, " hook: %s \n", ipthooks[hook]);
	}

	if (tb[TCA_IPT_TARG] == NULL) {
		fprintf(f, "\t[NULL ipt target parameters ] \n");
		return -1;
	} else {
		struct xtables_target *m = NULL;
		t = RTA_DATA(tb[TCA_IPT_TARG]);
		m = find_target(t->u.user.name, TRY_LOAD);
		if (NULL != m) {
			if (0 > build_st(m, t)) {
				fprintf(stderr, " %s error \n", m->name);
				return -1;
			}

			opts =
			    merge_options(opts, m->extra_opts,
					  &m->option_offset);
		} else {
			fprintf(stderr, " failed to find target %s\n\n",
				t->u.user.name);
			return -1;
		}
		fprintf(f, "\ttarget ");
		m->print(NULL, m->t, 0);
		if (tb[TCA_IPT_INDEX] == NULL) {
			fprintf(f, " [NULL ipt target index ]\n");
		} else {
			__u32 index;
			index = *(__u32 *) RTA_DATA(tb[TCA_IPT_INDEX]);
			fprintf(f, " \n\tindex %d", index);
		}

		if (tb[TCA_IPT_CNT]) {
			struct tc_cnt *c  = RTA_DATA(tb[TCA_IPT_CNT]);;
			fprintf(f, " ref %d bind %d", c->refcnt, c->bindcnt);
		}
		if (show_stats) {
			if (tb[TCA_IPT_TM]) {
				struct tcf_t *tm = RTA_DATA(tb[TCA_IPT_TM]);
				print_tm(f,tm);
			}
		}
		fprintf(f, " \n");

	}
	free_opts(opts);

	return 0;
}

struct action_util ipt_action_util = {
        .id = "ipt",
        .parse_aopt = parse_ipt,
        .print_aopt = print_ipt,
};
Commit	Line	Data
63c7d26f JHS	1	/*
	2	* m_xt.c xtables based targets
	3	* utilities mostly ripped from iptables <duh, its the linux way>
	4	*
	5	* This program is free software; you can distribute it and/or
	6	* modify it under the terms of the GNU General Public License
	7	* as published by the Free Software Foundation; either version
	8	* 2 of the License, or (at your option) any later version.
	9	*
	10	* Authors: J Hadi Salim (hadi@cyberus.ca)
	11	*/
	12
	13	/*XXX: in the future (xtables 1.4.3?) get rid of everything tagged
	14	* as TC_CONFIG_XT_H */
	15
	16	#include <syslog.h>
	17	#include <sys/socket.h>
	18	#include <netinet/in.h>
	19	#include <arpa/inet.h>
	20	#include <net/if.h>
	21	#include <linux/netfilter.h>
	22	#include <linux/netfilter_ipv4/ip_tables.h>
	23	#include <xtables.h>
	24	#include "utils.h"
	25	#include "tc_util.h"
	26	#include <linux/tc_act/tc_ipt.h>
	27	#include <stdio.h>
63c7d26f JHS	28	#include <getopt.h>
	29	#include <errno.h>
	30	#include <string.h>
	31	#include <netdb.h>
	32	#include <stdlib.h>
	33	#include <ctype.h>
	34	#include <stdarg.h>
	35	#include <limits.h>
	36	#include <unistd.h>
	37	#include <fcntl.h>
	38	#include <sys/wait.h>
	39	#ifdef TC_CONFIG_XT_H
	40	#include "xt-internal.h"
	41	#endif
	42
	43	static const char *pname = "tc-ipt";
	44	static const char *tname = "mangle";
	45	static const char *pversion = "0.2";
	46
	47	static const char *ipthooks[] = {
	48	"NF_IP_PRE_ROUTING",
	49	"NF_IP_LOCAL_IN",
	50	"NF_IP_FORWARD",
	51	"NF_IP_LOCAL_OUT",
	52	"NF_IP_POST_ROUTING",
	53	};
	54
	55	static struct option original_opts[] = {
	56	{"jump", 1, 0, 'j'},
	57	{0, 0, 0, 0}
	58	};
	59
	60	static struct option *opts = original_opts;
	61	static unsigned int global_option_offset = 0;
	62	char *lib_dir;
	63	const char *program_version = XTABLES_VERSION;
	64	const char *program_name = "tc-ipt";
	65	struct afinfo afinfo = {
	66	.family = AF_INET,
	67	.libprefix = "libxt_",
	68	.ipproto = IPPROTO_IP,
	69	.kmod = "ip_tables",
	70	.so_rev_target = IPT_SO_GET_REVISION_TARGET,
	71	};
	72
	73
	74	#define OPTION_OFFSET 256
	75
	76	/XXX: TC_CONFIG_XT_H /
	77	static void free_opts(struct option *local_opts)
	78	{
	79	if (local_opts != original_opts) {
	80	free(local_opts);
	81	opts = original_opts;
	82	global_option_offset = 0;
	83	}
	84	}
	85
	86	/XXX: TC_CONFIG_XT_H /
	87	static struct option *
	88	merge_options(struct option oldopts, const struct option newopts,
	89	unsigned int *option_offset)
	90	{
	91	struct option *merge;
92	unsigned int num_old, num_new, i;
93
94	for (num_old = 0; oldopts[num_old].name; num_old++) ;
95	for (num_new = 0; newopts[num_new].name; num_new++) ;
96
97	*option_offset = global_option_offset + OPTION_OFFSET;
98
99	merge = malloc(sizeof (struct option) * (num_new + num_old + 1));
100	memcpy(merge, oldopts, num_old * sizeof (struct option));
101	for (i = 0; i < num_new; i++) {
102	merge[num_old + i] = newopts[i];
103	merge[num_old + i].val += *option_offset;
104	}
105	memset(merge + num_old + num_new, 0, sizeof (struct option));
106
107	return merge;
108	}
109
110
111	/XXX: TC_CONFIG_XT_H /
112	#ifndef TRUE
113	#define TRUE 1
114	#endif
115	#ifndef FALSE
116	#define FALSE 0
117	#endif
118
119	/XXX: TC_CONFIG_XT_H /
120	int
121	check_inverse(const char option[], int invert, int my_optind, int argc)
122	{
123	if (option && strcmp(option, "!") == 0) {
124	if (*invert)
125	exit_error(PARAMETER_PROBLEM,
126	"Multiple `!' flags not allowed");
127	*invert = TRUE;
128	if (my_optind != NULL) {
129	++*my_optind;
130	if (argc && *my_optind > argc)
131	exit_error(PARAMETER_PROBLEM,
132	"no argument following `!'");
133	}
134
135	return TRUE;
136	}
137	return FALSE;
138	}
139
140	/XXX: TC_CONFIG_XT_H /
141	void exit_error(enum exittype status, const char *msg, ...)
142	{
143	va_list args;
144
145	va_start(args, msg);
146	fprintf(stderr, "%s v%s: ", pname, pversion);
147	vfprintf(stderr, msg, args);
148	va_end(args);
149	fprintf(stderr, "\n");
150	/* On error paths, make sure that we don't leak memory */
151	exit(status);
152	}
153
154	/XXX: TC_CONFIG_XT_H /
155	static void set_revision(char *name, u_int8_t revision)
156	{
157	/* Old kernel sources don't have ".revision" field,
158	* but we stole a byte from name. */
159	name[IPT_FUNCTION_MAXNAMELEN - 2] = '\0';
160	name[IPT_FUNCTION_MAXNAMELEN - 1] = revision;
161	}
162
163	/*
164	* we may need to check for version mismatch
165	*/
166	int
167	build_st(struct xtables_target target, struct xt_entry_target t)
168	{
169
170	size_t size =
171	XT_ALIGN(sizeof (struct xt_entry_target)) + target->size;
172
173	if (NULL == t) {
174	target->t = fw_calloc(1, size);
175	target->t->u.target_size = size;
176	strcpy(target->t->u.user.name, target->name);
177	set_revision(target->t->u.user.name, target->revision);
178
179	if (target->init != NULL)
180	target->init(target->t);
181	} else {
182	target->t = t;
183	}
184	return 0;
185
186	}
187
188	inline void set_lib_dir(void)
189	{
190
191	lib_dir = getenv("XTABLES_LIBDIR");
192	if (!lib_dir) {
193	lib_dir = getenv("IPTABLES_LIB_DIR");
194	if (lib_dir)
195	fprintf(stderr, "using deprecated IPTABLES_LIB_DIR \n");
196	}
197	if (lib_dir == NULL)
198	lib_dir = XT_LIB_DIR;
199
200	}
201
202	static int parse_ipt(struct action_util a,int argc_p,
203	char **argv_p, int tca_id, struct nlmsghdr n)
204	{
205	struct xtables_target *m = NULL;
206	struct ipt_entry fw;
207	struct rtattr *tail;
208	int c;
209	int rargc = *argc_p;
210	char *argv = argv_p;
211	int argc = 0, iargc = 0;
212	char k[16];
213	int res = -1;
214	int size = 0;
215	int iok = 0, ok = 0;
216	__u32 hook = 0, index = 0;
217	res = 0;
218
219	set_lib_dir();
220
221	{
222	int i;
223	for (i = 0; i < rargc; i++) {
224	if (NULL == argv[i] \|\| 0 == strcmp(argv[i], "action")) {
225	break;
226	}
227	}
228	iargc = argc = i;
229	}
230
231	if (argc <= 2) {
232	fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc);
233	return -1;
234	}
235
236	while (1) {
237	c = getopt_long(argc, argv, "j:", opts, NULL);
238	if (c == -1)
239	break;
240	switch (c) {
241	case 'j':
242	m = find_target(optarg, TRY_LOAD);
243	if (NULL != m) {
244
245	if (0 > build_st(m, NULL)) {
246	printf(" %s error \n", m->name);
247	return -1;
248	}
249	opts =
250	merge_options(opts, m->extra_opts,
251	&m->option_offset);
252	} else {
253	fprintf(stderr," failed to find target %s\n\n", optarg);
254	return -1;
255	}
256	ok++;
257	break;
258
259	default:
260	memset(&fw, 0, sizeof (fw));
261	if (m) {
262	m->parse(c - m->option_offset, argv, 0,
263	&m->tflags, NULL, &m->t);
264	} else {
265	fprintf(stderr," failed to find target %s\n\n", optarg);
266	return -1;
267
268	}
269	ok++;
270	break;
271
272	}
273	}
274
275	if (iargc > optind) {
276	if (matches(argv[optind], "index") == 0) {
277	if (get_u32(&index, argv[optind + 1], 10)) {
278	fprintf(stderr, "Illegal \"index\"\n");
279	free_opts(opts);
280	return -1;
281	}
282	iok++;
283
284	optind += 2;
285	}
286	}
287
288	if (!ok && !iok) {
289	fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv);
290	return -1;
291	}
292
293	/* check that we passed the correct parameters to the target */
294	if (m)
295	m->final_check(m->tflags);
296
297	{
298	struct tcmsg *t = NLMSG_DATA(n);
299	if (t->tcm_parent != TC_H_ROOT
300	&& t->tcm_parent == TC_H_MAJ(TC_H_INGRESS)) {
301	hook = NF_IP_PRE_ROUTING;
302	} else {
303	hook = NF_IP_POST_ROUTING;
304	}
305	}
306
307	tail = NLMSG_TAIL(n);
308	addattr_l(n, MAX_MSG, tca_id, NULL, 0);
309	fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]);
310	fprintf(stdout, "\ttarget: ");
311
312	if (m)
313	m->print(NULL, m->t, 0);
314	fprintf(stdout, " index %d\n", index);
315
316	if (strlen(tname) > 16) {
317	size = 16;
318	k[15] = 0;
319	} else {
320	size = 1 + strlen(tname);
321	}
322	strncpy(k, tname, size);
323
324	addattr_l(n, MAX_MSG, TCA_IPT_TABLE, k, size);
325	addattr_l(n, MAX_MSG, TCA_IPT_HOOK, &hook, 4);
326	addattr_l(n, MAX_MSG, TCA_IPT_INDEX, &index, 4);
327	if (m)
328	addattr_l(n, MAX_MSG, TCA_IPT_TARG, m->t, m->t->u.target_size);
329	tail->rta_len = (void ) NLMSG_TAIL(n) - (void ) tail;
330
331	argc -= optind;
332	argv += optind;
333	*argc_p = rargc - iargc;
334	*argv_p = argv;
335
336	optind = 0;
337	free_opts(opts);
338	/* Clear flags if target will be used again */
339	m->tflags=0;
340	m->used=0;
341	/* Free allocated memory */
342	if (m->t)
343	free(m->t);
344
345
346	return 0;
347
348	}
349
350	static int
351	print_ipt(struct action_util au,FILE f, struct rtattr *arg)
352	{
353	struct rtattr *tb[TCA_IPT_MAX + 1];
354	struct xt_entry_target *t = NULL;
355
356	if (arg == NULL)
357	return -1;
358
359	set_lib_dir();
360
361	parse_rtattr_nested(tb, TCA_IPT_MAX, arg);
362
363	if (tb[TCA_IPT_TABLE] == NULL) {
364	fprintf(f, "[NULL ipt table name ] assuming mangle ");
365	} else {
366	fprintf(f, "tablename: %s ",
367	(char *) RTA_DATA(tb[TCA_IPT_TABLE]));
368	}
369
370	if (tb[TCA_IPT_HOOK] == NULL) {
371	fprintf(f, "[NULL ipt hook name ]\n ");
372	return -1;
373	} else {
374	__u32 hook;
375	hook = (__u32 ) RTA_DATA(tb[TCA_IPT_HOOK]);
376	fprintf(f, " hook: %s \n", ipthooks[hook]);
377	}
378
379	if (tb[TCA_IPT_TARG] == NULL) {
380	fprintf(f, "\t[NULL ipt target parameters ] \n");
381	return -1;
382	} else {
383	struct xtables_target *m = NULL;
384	t = RTA_DATA(tb[TCA_IPT_TARG]);
385	m = find_target(t->u.user.name, TRY_LOAD);
386	if (NULL != m) {
387	if (0 > build_st(m, t)) {
388	fprintf(stderr, " %s error \n", m->name);
389	return -1;
390	}
391
392	opts =
393	merge_options(opts, m->extra_opts,
394	&m->option_offset);
395	} else {
396	fprintf(stderr, " failed to find target %s\n\n",
397	t->u.user.name);
398	return -1;
399	}
400	fprintf(f, "\ttarget ");
401	m->print(NULL, m->t, 0);
402	if (tb[TCA_IPT_INDEX] == NULL) {
403	fprintf(f, " [NULL ipt target index ]\n");
404	} else {
405	__u32 index;
406	index = (__u32 ) RTA_DATA(tb[TCA_IPT_INDEX]);
407	fprintf(f, " \n\tindex %d", index);
408	}
409
410	if (tb[TCA_IPT_CNT]) {
411	struct tc_cnt *c = RTA_DATA(tb[TCA_IPT_CNT]);;
412	fprintf(f, " ref %d bind %d", c->refcnt, c->bindcnt);
413	}
414	if (show_stats) {
415	if (tb[TCA_IPT_TM]) {
416	struct tcf_t *tm = RTA_DATA(tb[TCA_IPT_TM]);
417	print_tm(f,tm);
418	}
419	}
420	fprintf(f, " \n");
421
422	}
423	free_opts(opts);
424
425	return 0;
426	}
427
428	struct action_util ipt_action_util = {
429	.id = "ipt",
430	.parse_aopt = parse_ipt,
431	.print_aopt = print_ipt,
432	};
433