[mirror_iproute2.git] / ip / xfrm_monitor.c

/* $USAGI: $ */

/*
 * Copyright (C)2005 USAGI/WIDE Project
 *
 * This program is free software; you can redistribute 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses>.
 */
/*
 * based on ipmonitor.c
 */
/*
 * Authors:
 *	Masahide NAKAMURA @USAGI
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/in.h>

#include "utils.h"
#include "xfrm.h"
#include "ip_common.h"

static void usage(void) __attribute__((noreturn));
int listen_all_nsid;

static void usage(void)
{
	fprintf(stderr, "Usage: ip xfrm monitor [all-nsid] [ all | OBJECTS | help ]\n");
	fprintf(stderr, "OBJECTS := { acquire | expire | SA | aevent | policy | report }\n");
	exit(-1);
}

static int xfrm_acquire_print(const struct sockaddr_nl *who,
			      struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;
	struct xfrm_user_acquire *xacq = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	struct rtattr * tb[XFRMA_MAX+1];
	__u16 family;

	len -= NLMSG_LENGTH(sizeof(*xacq));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	parse_rtattr(tb, XFRMA_MAX, XFRMACQ_RTA(xacq), len);

	family = xacq->sel.family;
	if (family == AF_UNSPEC)
		family = xacq->policy.sel.family;
	if (family == AF_UNSPEC)
		family = preferred_family;

	fprintf(fp, "acquire ");

	fprintf(fp, "proto %s ", strxf_xfrmproto(xacq->id.proto));
	if (show_stats > 0 || xacq->id.spi) {
		__u32 spi = ntohl(xacq->id.spi);
		fprintf(fp, "spi 0x%08x", spi);
		if (show_stats > 0)
			fprintf(fp, "(%u)", spi);
		fprintf(fp, " ");
	}
	fprintf(fp, "%s", _SL_);

	xfrm_selector_print(&xacq->sel, family, fp, "  sel ");

	xfrm_policy_info_print(&xacq->policy, tb, fp, "    ", "  policy ");

	if (show_stats > 0)
		fprintf(fp, "  seq 0x%08u ", xacq->seq);
	if (show_stats > 0) {
		fprintf(fp, "%s-mask %s ",
			strxf_algotype(XFRMA_ALG_CRYPT),
			strxf_mask32(xacq->ealgos));
		fprintf(fp, "%s-mask %s ",
			strxf_algotype(XFRMA_ALG_AUTH),
			strxf_mask32(xacq->aalgos));
		fprintf(fp, "%s-mask %s",
			strxf_algotype(XFRMA_ALG_COMP),
			strxf_mask32(xacq->calgos));
	}
	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_state_flush_print(const struct sockaddr_nl *who,
				  struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;
	struct xfrm_usersa_flush *xsf = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	const char *str;

	len -= NLMSG_SPACE(sizeof(*xsf));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	fprintf(fp, "Flushed state ");

	str = strxf_xfrmproto(xsf->proto);
	if (str)
		fprintf(fp, "proto %s", str);
	else
		fprintf(fp, "proto %u", xsf->proto);
	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_policy_flush_print(const struct sockaddr_nl *who,
				   struct nlmsghdr *n, void *arg)
{
	struct rtattr * tb[XFRMA_MAX+1];
	FILE *fp = (FILE*)arg;
	int len = n->nlmsg_len;

	len -= NLMSG_SPACE(0);
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	fprintf(fp, "Flushed policy ");

	parse_rtattr(tb, XFRMA_MAX, NLMSG_DATA(n), len);

	if (tb[XFRMA_POLICY_TYPE]) {
		struct xfrm_userpolicy_type *upt;

		fprintf(fp, "ptype ");

		if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt))
			fprintf(fp, "(ERROR truncated)");

		upt = (struct xfrm_userpolicy_type *)RTA_DATA(tb[XFRMA_POLICY_TYPE]);
		fprintf(fp, "%s ", strxf_ptype(upt->type));
	}

	fprintf(fp, "%s", _SL_);

	if (oneline)
		fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static int xfrm_report_print(const struct sockaddr_nl *who,
			     struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;
	struct xfrm_user_report *xrep = NLMSG_DATA(n);
	int len = n->nlmsg_len;
	struct rtattr * tb[XFRMA_MAX+1];
	__u16 family;

	len -= NLMSG_LENGTH(sizeof(*xrep));
	if (len < 0) {
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
		return -1;
	}

	family = xrep->sel.family;
	if (family == AF_UNSPEC)
		family = preferred_family;

	fprintf(fp, "report ");

	fprintf(fp, "proto %s ", strxf_xfrmproto(xrep->proto));
	fprintf(fp, "%s", _SL_);

	xfrm_selector_print(&xrep->sel, family, fp, "  sel ");

	parse_rtattr(tb, XFRMA_MAX, XFRMREP_RTA(xrep), len);

	xfrm_xfrma_print(tb, family, fp, "  ");

	if (oneline)
		fprintf(fp, "\n");

	return 0;
}

static void xfrm_ae_flags_print(__u32 flags, void *arg)
{
	FILE *fp = (FILE*)arg;
	fprintf(fp, " (0x%x) ", flags);
	if (!flags)
		return;
	if (flags & XFRM_AE_CR)
		fprintf(fp, " replay update ");
	if (flags & XFRM_AE_CE)
		fprintf(fp, " timer expired ");
	if (flags & XFRM_AE_CU)
		fprintf(fp, " policy updated ");

}

static void xfrm_usersa_print(const struct xfrm_usersa_id *sa_id, __u32 reqid, FILE *fp)
{
	char buf[256];

	buf[0] = 0;
	fprintf(fp, "dst %s ",
		rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr,
			    buf, sizeof(buf)));

	fprintf(fp, " reqid 0x%x", reqid);

	fprintf(fp, " protocol %s ", strxf_proto(sa_id->proto));
	fprintf(fp, " SPI 0x%x", ntohl(sa_id->spi));
}

static int xfrm_ae_print(const struct sockaddr_nl *who,
			     struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;
	struct xfrm_aevent_id *id = NLMSG_DATA(n);
	char abuf[256];

	fprintf(fp, "Async event ");
	xfrm_ae_flags_print(id->flags, arg);
	fprintf(fp,"\n\t");
	memset(abuf, '\0', sizeof(abuf));
	fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
					   sizeof(id->saddr), &id->saddr,
					   abuf, sizeof(abuf)));

	xfrm_usersa_print(&id->sa_id, id->reqid, fp);

	fprintf(fp, "\n");
	fflush(fp);

	return 0;
}

static void xfrm_print_addr(FILE *fp, int family, xfrm_address_t *a)
{
	char buf[256];

	buf[0] = 0;
	fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a, buf, sizeof(buf)));
}

static int xfrm_mapping_print(const struct sockaddr_nl *who,
			     struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;
	struct xfrm_user_mapping *map = NLMSG_DATA(n);

	fprintf(fp, "Mapping change ");
	xfrm_print_addr(fp, map->id.family, &map->old_saddr);

	fprintf(fp, ":%d -> ", ntohs(map->old_sport));
	xfrm_print_addr(fp, map->id.family, &map->new_saddr);
	fprintf(fp, ":%d\n\t", ntohs(map->new_sport));

	xfrm_usersa_print(&map->id, map->reqid, fp);

	fprintf(fp, "\n");
	fflush(fp);
	return 0;
}

static int xfrm_accept_msg(const struct sockaddr_nl *who,
			   struct rtnl_ctrl_data *ctrl,
			   struct nlmsghdr *n, void *arg)
{
	FILE *fp = (FILE*)arg;

	if (timestamp)
		print_timestamp(fp);

	if (listen_all_nsid) {
		if (ctrl == NULL || ctrl->nsid < 0)
			fprintf(fp, "[nsid current]");
		else
			fprintf(fp, "[nsid %d]", ctrl->nsid);
	}

	switch (n->nlmsg_type) {
	case XFRM_MSG_NEWSA:
	case XFRM_MSG_DELSA:
	case XFRM_MSG_UPDSA:
	case XFRM_MSG_EXPIRE:
		xfrm_state_print(who, n, arg);
		return 0;
	case XFRM_MSG_NEWPOLICY:
	case XFRM_MSG_DELPOLICY:
	case XFRM_MSG_UPDPOLICY:
	case XFRM_MSG_POLEXPIRE:
		xfrm_policy_print(who, n, arg);
		return 0;
	case XFRM_MSG_ACQUIRE:
		xfrm_acquire_print(who, n, arg);
		return 0;
	case XFRM_MSG_FLUSHSA:
		xfrm_state_flush_print(who, n, arg);
		return 0;
	case XFRM_MSG_FLUSHPOLICY:
		xfrm_policy_flush_print(who, n, arg);
		return 0;
	case XFRM_MSG_REPORT:
		xfrm_report_print(who, n, arg);
		return 0;
	case XFRM_MSG_NEWAE:
		xfrm_ae_print(who, n, arg);
		return 0;
	case XFRM_MSG_MAPPING:
		xfrm_mapping_print(who, n, arg);
		return 0;
	default:
		break;
	}

	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
	    n->nlmsg_type != NLMSG_DONE) {
		fprintf(fp, "Unknown message: %08d 0x%08x 0x%08x\n",
			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
	}
	return 0;
}

extern struct rtnl_handle rth;

int do_xfrm_monitor(int argc, char **argv)
{
	char *file = NULL;
	unsigned groups = ~((unsigned)0); /* XXX */
	int lacquire=0;
	int lexpire=0;
	int laevent=0;
	int lpolicy=0;
	int lsa=0;
	int lreport=0;

	rtnl_close(&rth);

	while (argc > 0) {
		if (matches(*argv, "file") == 0) {
			NEXT_ARG();
			file = *argv;
		} else if (matches(*argv, "all-nsid") == 0) {
			listen_all_nsid = 1;
		} else if (matches(*argv, "acquire") == 0) {
			lacquire=1;
			groups = 0;
		} else if (matches(*argv, "expire") == 0) {
			lexpire=1;
			groups = 0;
		} else if (matches(*argv, "SA") == 0) {
			lsa=1;
			groups = 0;
		} else if (matches(*argv, "aevent") == 0) {
			laevent=1;
			groups = 0;
		} else if (matches(*argv, "policy") == 0) {
			lpolicy=1;
			groups = 0;
		} else if (matches(*argv, "report") == 0) {
			lreport=1;
			groups = 0;
		} else if (matches(*argv, "help") == 0) {
			usage();
		} else if (strcmp(*argv, "all")) {
			fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
			exit(-1);
		}
		argc--;	argv++;
	}

	if (lacquire)
		groups |= nl_mgrp(XFRMNLGRP_ACQUIRE);
	if (lexpire)
		groups |= nl_mgrp(XFRMNLGRP_EXPIRE);
	if (lsa)
		groups |= nl_mgrp(XFRMNLGRP_SA);
	if (lpolicy)
		groups |= nl_mgrp(XFRMNLGRP_POLICY);
	if (laevent)
		groups |= nl_mgrp(XFRMNLGRP_AEVENTS);
	if (lreport)
		groups |= nl_mgrp(XFRMNLGRP_REPORT);

	if (file) {
		FILE *fp;
		fp = fopen(file, "r");
		if (fp == NULL) {
			perror("Cannot fopen");
			exit(-1);
		}
		return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
	}

	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
		exit(1);
	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
		exit(1);

	if (rtnl_listen(&rth, xfrm_accept_msg, (void*)stdout) < 0)
		exit(2);

	return 0;
}
Commit	Line	Data
f9cb3a2f	1	/* $USAGI: $ */
	2
	3	/*
	4	* Copyright (C)2005 USAGI/WIDE Project
ae665a52	5	*
f9cb3a2f	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
ae665a52	10	*
f9cb3a2f	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
ae665a52	15	*
f9cb3a2f	16	* You should have received a copy of the GNU General Public License
4d98ab00	17	* along with this program; if not, see <http://www.gnu.org/licenses>.
f9cb3a2f	18	*/
	19	/*
	20	* based on ipmonitor.c
	21	*/
	22	/*
	23	* Authors:
	24	* Masahide NAKAMURA @USAGI
	25	*/
	26
	27	#include <stdio.h>
	28	#include <stdlib.h>
	29	#include <string.h>
93390779	30	#include <netinet/in.h>
93390779	31
f9cb3a2f	32	#include "utils.h"
	33	#include "xfrm.h"
	34	#include "ip_common.h"
	35
	36	static void usage(void) __attribute__((noreturn));
b6ec53e3	37	int listen_all_nsid;
f9cb3a2f	38
	39	static void usage(void)
	40	{
b6ec53e3	41	fprintf(stderr, "Usage: ip xfrm monitor [all-nsid] [ all \| OBJECTS \| help ]\n");
c16298be	42	fprintf(stderr, "OBJECTS := { acquire \| expire \| SA \| aevent \| policy \| report }\n");
f9cb3a2f	43	exit(-1);
	44	}
	45
	46	static int xfrm_acquire_print(const struct sockaddr_nl *who,
	47	struct nlmsghdr n, void arg)
	48	{
	49	FILE fp = (FILE)arg;
	50	struct xfrm_user_acquire *xacq = NLMSG_DATA(n);
	51	int len = n->nlmsg_len;
	52	struct rtattr * tb[XFRMA_MAX+1];
	53	__u16 family;
	54
f9cb3a2f	55	len -= NLMSG_LENGTH(sizeof(*xacq));
	56	if (len < 0) {
	57	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	58	return -1;
	59	}
	60
	61	parse_rtattr(tb, XFRMA_MAX, XFRMACQ_RTA(xacq), len);
90f93024	62
f9cb3a2f	63	family = xacq->sel.family;
	64	if (family == AF_UNSPEC)
	65	family = xacq->policy.sel.family;
	66	if (family == AF_UNSPEC)
	67	family = preferred_family;
	68
	69	fprintf(fp, "acquire ");
	70
	71	fprintf(fp, "proto %s ", strxf_xfrmproto(xacq->id.proto));
	72	if (show_stats > 0 \|\| xacq->id.spi) {
	73	__u32 spi = ntohl(xacq->id.spi);
	74	fprintf(fp, "spi 0x%08x", spi);
	75	if (show_stats > 0)
	76	fprintf(fp, "(%u)", spi);
	77	fprintf(fp, " ");
	78	}
	79	fprintf(fp, "%s", _SL_);
	80
	81	xfrm_selector_print(&xacq->sel, family, fp, " sel ");
	82
	83	xfrm_policy_info_print(&xacq->policy, tb, fp, " ", " policy ");
	84
	85	if (show_stats > 0)
	86	fprintf(fp, " seq 0x%08u ", xacq->seq);
	87	if (show_stats > 0) {
	88	fprintf(fp, "%s-mask %s ",
	89	strxf_algotype(XFRMA_ALG_CRYPT),
	90	strxf_mask32(xacq->ealgos));
	91	fprintf(fp, "%s-mask %s ",
	92	strxf_algotype(XFRMA_ALG_AUTH),
	93	strxf_mask32(xacq->aalgos));
	94	fprintf(fp, "%s-mask %s",
	95	strxf_algotype(XFRMA_ALG_COMP),
	96	strxf_mask32(xacq->calgos));
	97	}
	98	fprintf(fp, "%s", _SL_);
	99
	100	if (oneline)
	101	fprintf(fp, "\n");
669ae748	102	fflush(fp);
f9cb3a2f	103
	104	return 0;
	105	}
	106
efe69c1b MN	107	static int xfrm_state_flush_print(const struct sockaddr_nl *who,
	108	struct nlmsghdr n, void arg)
	109	{
	110	FILE fp = (FILE)arg;
	111	struct xfrm_usersa_flush *xsf = NLMSG_DATA(n);
	112	int len = n->nlmsg_len;
	113	const char *str;
	114
	115	len -= NLMSG_SPACE(sizeof(*xsf));
	116	if (len < 0) {
	117	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	118	return -1;
	119	}
	120
	121	fprintf(fp, "Flushed state ");
	122
	123	str = strxf_xfrmproto(xsf->proto);
	124	if (str)
	125	fprintf(fp, "proto %s", str);
	126	else
	127	fprintf(fp, "proto %u", xsf->proto);
	128	fprintf(fp, "%s", _SL_);
	129
	130	if (oneline)
	131	fprintf(fp, "\n");
	132	fflush(fp);
	133
	134	return 0;
	135	}
	136
	137	static int xfrm_policy_flush_print(const struct sockaddr_nl *who,
	138	struct nlmsghdr n, void arg)
	139	{
	140	struct rtattr * tb[XFRMA_MAX+1];
	141	FILE fp = (FILE)arg;
	142	int len = n->nlmsg_len;
	143
	144	len -= NLMSG_SPACE(0);
	145	if (len < 0) {
	146	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	147	return -1;
	148	}
	149
	150	fprintf(fp, "Flushed policy ");
	151
	152	parse_rtattr(tb, XFRMA_MAX, NLMSG_DATA(n), len);
	153
	154	if (tb[XFRMA_POLICY_TYPE]) {
	155	struct xfrm_userpolicy_type *upt;
	156
	157	fprintf(fp, "ptype ");
	158
	159	if (RTA_PAYLOAD(tb[XFRMA_POLICY_TYPE]) < sizeof(*upt))
	160	fprintf(fp, "(ERROR truncated)");
	161
	162	upt = (struct xfrm_userpolicy_type *)RTA_DATA(tb[XFRMA_POLICY_TYPE]);
	163	fprintf(fp, "%s ", strxf_ptype(upt->type));
	164	}
	165
	166	fprintf(fp, "%s", _SL_);
	167
	168	if (oneline)
	169	fprintf(fp, "\n");
	170	fflush(fp);
171
172	return 0;
173	}
174
c54f31ee MN	175	static int xfrm_report_print(const struct sockaddr_nl *who,
	176	struct nlmsghdr n, void arg)
	177	{
	178	FILE fp = (FILE)arg;
	179	struct xfrm_user_report *xrep = NLMSG_DATA(n);
	180	int len = n->nlmsg_len;
	181	struct rtattr * tb[XFRMA_MAX+1];
	182	__u16 family;
	183
c54f31ee MN	184	len -= NLMSG_LENGTH(sizeof(*xrep));
	185	if (len < 0) {
	186	fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
	187	return -1;
	188	}
	189
	190	family = xrep->sel.family;
	191	if (family == AF_UNSPEC)
	192	family = preferred_family;
	193
	194	fprintf(fp, "report ");
	195
	196	fprintf(fp, "proto %s ", strxf_xfrmproto(xrep->proto));
	197	fprintf(fp, "%s", _SL_);
	198
	199	xfrm_selector_print(&xrep->sel, family, fp, " sel ");
	200
	201	parse_rtattr(tb, XFRMA_MAX, XFRMREP_RTA(xrep), len);
	202
	203	xfrm_xfrma_print(tb, family, fp, " ");
	204
	205	if (oneline)
	206	fprintf(fp, "\n");
	207
	208	return 0;
	209	}
	210
d1f28cf1	211	static void xfrm_ae_flags_print(__u32 flags, void *arg)
c9fd974b	212	{
	213	FILE fp = (FILE)arg;
	214	fprintf(fp, " (0x%x) ", flags);
	215	if (!flags)
	216	return;
	217	if (flags & XFRM_AE_CR)
	218	fprintf(fp, " replay update ");
	219	if (flags & XFRM_AE_CE)
	220	fprintf(fp, " timer expired ");
	221	if (flags & XFRM_AE_CU)
	222	fprintf(fp, " policy updated ");
	223
	224	}
	225
598a42c0 FW	226	static void xfrm_usersa_print(const struct xfrm_usersa_id sa_id, __u32 reqid, FILE fp)
	227	{
	228	char buf[256];
	229
	230	buf[0] = 0;
656111b2	231	fprintf(fp, "dst %s ",
26dcdf3a EB	232	rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr,
26dcdf3a EB	233	buf, sizeof(buf)));
598a42c0 FW	234
	235	fprintf(fp, " reqid 0x%x", reqid);
	236
	237	fprintf(fp, " protocol %s ", strxf_proto(sa_id->proto));
	238	fprintf(fp, " SPI 0x%x", ntohl(sa_id->spi));
	239	}
	240
c9fd974b	241	static int xfrm_ae_print(const struct sockaddr_nl *who,
	242	struct nlmsghdr n, void arg)
	243	{
	244	FILE fp = (FILE)arg;
	245	struct xfrm_aevent_id *id = NLMSG_DATA(n);
	246	char abuf[256];
	247
	248	fprintf(fp, "Async event ");
	249	xfrm_ae_flags_print(id->flags, arg);
	250	fprintf(fp,"\n\t");
	251	memset(abuf, '\0', sizeof(abuf));
26dcdf3a EB	252	fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
26dcdf3a EB	253	sizeof(id->saddr), &id->saddr,
656111b2	254	abuf, sizeof(abuf)));
598a42c0 FW	255
598a42c0 FW	256	xfrm_usersa_print(&id->sa_id, id->reqid, fp);
c9fd974b	257
	258	fprintf(fp, "\n");
	259	fflush(fp);
	260
	261	return 0;
	262	}
	263
656111b2	264	static void xfrm_print_addr(FILE fp, int family, xfrm_address_t a)
598a42c0 FW	265	{
	266	char buf[256];
	267
	268	buf[0] = 0;
26dcdf3a	269	fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a, buf, sizeof(buf)));
598a42c0 FW	270	}
	271
	272	static int xfrm_mapping_print(const struct sockaddr_nl *who,
	273	struct nlmsghdr n, void arg)
	274	{
	275	FILE fp = (FILE)arg;
	276	struct xfrm_user_mapping *map = NLMSG_DATA(n);
	277
	278	fprintf(fp, "Mapping change ");
656111b2	279	xfrm_print_addr(fp, map->id.family, &map->old_saddr);
598a42c0 FW	280
598a42c0 FW	281	fprintf(fp, ":%d -> ", ntohs(map->old_sport));
656111b2	282	xfrm_print_addr(fp, map->id.family, &map->new_saddr);
598a42c0 FW	283	fprintf(fp, ":%d\n\t", ntohs(map->new_sport));
	284
	285	xfrm_usersa_print(&map->id, map->reqid, fp);
	286
	287	fprintf(fp, "\n");
	288	fflush(fp);
	289	return 0;
	290	}
	291
f9cb3a2f	292	static int xfrm_accept_msg(const struct sockaddr_nl *who,
0628cddd	293	struct rtnl_ctrl_data *ctrl,
f9cb3a2f	294	struct nlmsghdr n, void arg)
	295	{
	296	FILE fp = (FILE)arg;
	297
90f93024 SH	298	if (timestamp)
	299	print_timestamp(fp);
	300
b6ec53e3 ND	301	if (listen_all_nsid) {
	302	if (ctrl == NULL \|\| ctrl->nsid < 0)
	303	fprintf(fp, "[nsid current]");
	304	else
	305	fprintf(fp, "[nsid %d]", ctrl->nsid);
	306	}
	307
efe69c1b MN	308	switch (n->nlmsg_type) {
	309	case XFRM_MSG_NEWSA:
	310	case XFRM_MSG_DELSA:
	311	case XFRM_MSG_UPDSA:
	312	case XFRM_MSG_EXPIRE:
c595c790 SH	313	xfrm_state_print(who, n, arg);
c595c790 SH	314	return 0;
efe69c1b MN	315	case XFRM_MSG_NEWPOLICY:
	316	case XFRM_MSG_DELPOLICY:
	317	case XFRM_MSG_UPDPOLICY:
	318	case XFRM_MSG_POLEXPIRE:
c595c790 SH	319	xfrm_policy_print(who, n, arg);
c595c790 SH	320	return 0;
efe69c1b	321	case XFRM_MSG_ACQUIRE:
f9cb3a2f	322	xfrm_acquire_print(who, n, arg);
f9cb3a2f	323	return 0;
efe69c1b MN	324	case XFRM_MSG_FLUSHSA:
efe69c1b MN	325	xfrm_state_flush_print(who, n, arg);
f9cb3a2f	326	return 0;
efe69c1b MN	327	case XFRM_MSG_FLUSHPOLICY:
efe69c1b MN	328	xfrm_policy_flush_print(who, n, arg);
f9cb3a2f	329	return 0;
efe69c1b	330	case XFRM_MSG_REPORT:
c54f31ee MN	331	xfrm_report_print(who, n, arg);
c54f31ee MN	332	return 0;
efe69c1b	333	case XFRM_MSG_NEWAE:
c9fd974b	334	xfrm_ae_print(who, n, arg);
c9fd974b	335	return 0;
598a42c0 FW	336	case XFRM_MSG_MAPPING:
	337	xfrm_mapping_print(who, n, arg);
	338	return 0;
efe69c1b MN	339	default:
efe69c1b MN	340	break;
c9fd974b	341	}
efe69c1b	342
f9cb3a2f	343	if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
f9cb3a2f	344	n->nlmsg_type != NLMSG_DONE) {
c595c790	345	fprintf(fp, "Unknown message: %08d 0x%08x 0x%08x\n",
f9cb3a2f	346	n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
	347	}
	348	return 0;
	349	}
	350
77219712 SH	351	extern struct rtnl_handle rth;
77219712 SH	352
f9cb3a2f	353	int do_xfrm_monitor(int argc, char **argv)
f9cb3a2f	354	{
f9cb3a2f	355	char *file = NULL;
	356	unsigned groups = ~((unsigned)0); /* XXX */
	357	int lacquire=0;
	358	int lexpire=0;
c9fd974b	359	int laevent=0;
c595c790 SH	360	int lpolicy=0;
c595c790 SH	361	int lsa=0;
c54f31ee	362	int lreport=0;
f9cb3a2f	363
77219712 SH	364	rtnl_close(&rth);
77219712 SH	365
f9cb3a2f	366	while (argc > 0) {
	367	if (matches(*argv, "file") == 0) {
	368	NEXT_ARG();
	369	file = *argv;
b6ec53e3 ND	370	} else if (matches(*argv, "all-nsid") == 0) {
b6ec53e3 ND	371	listen_all_nsid = 1;
f9cb3a2f	372	} else if (matches(*argv, "acquire") == 0) {
	373	lacquire=1;
	374	groups = 0;
	375	} else if (matches(*argv, "expire") == 0) {
	376	lexpire=1;
	377	groups = 0;
c595c790 SH	378	} else if (matches(*argv, "SA") == 0) {
	379	lsa=1;
	380	groups = 0;
c9fd974b	381	} else if (matches(*argv, "aevent") == 0) {
	382	laevent=1;
	383	groups = 0;
c595c790 SH	384	} else if (matches(*argv, "policy") == 0) {
	385	lpolicy=1;
	386	groups = 0;
c54f31ee MN	387	} else if (matches(*argv, "report") == 0) {
	388	lreport=1;
	389	groups = 0;
f9cb3a2f	390	} else if (matches(*argv, "help") == 0) {
f9cb3a2f	391	usage();
5bf9f5c5	392	} else if (strcmp(*argv, "all")) {
f9cb3a2f	393	fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
	394	exit(-1);
	395	}
	396	argc--; argv++;
	397	}
	398
	399	if (lacquire)
7b822512	400	groups \|= nl_mgrp(XFRMNLGRP_ACQUIRE);
f9cb3a2f	401	if (lexpire)
7b822512	402	groups \|= nl_mgrp(XFRMNLGRP_EXPIRE);
c595c790	403	if (lsa)
7b822512	404	groups \|= nl_mgrp(XFRMNLGRP_SA);
c595c790	405	if (lpolicy)
7b822512	406	groups \|= nl_mgrp(XFRMNLGRP_POLICY);
c9fd974b	407	if (laevent)
7b822512	408	groups \|= nl_mgrp(XFRMNLGRP_AEVENTS);
c54f31ee	409	if (lreport)
7b822512	410	groups \|= nl_mgrp(XFRMNLGRP_REPORT);
f9cb3a2f	411
	412	if (file) {
	413	FILE *fp;
	414	fp = fopen(file, "r");
	415	if (fp == NULL) {
	416	perror("Cannot fopen");
	417	exit(-1);
	418	}
	419	return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
	420	}
	421
c595c790 SH	422	if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
c595c790 SH	423	exit(1);
b6ec53e3 ND	424	if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
b6ec53e3 ND	425	exit(1);
c595c790	426
f9cb3a2f	427	if (rtnl_listen(&rth, xfrm_accept_msg, (void*)stdout) < 0)
	428	exit(2);
	429
351efcde	430	return 0;
f9cb3a2f	431	}