From 7e5b721cb08533a312a8703cf7583074a529bde2 Mon Sep 17 00:00:00 2001
From: "osdl.net!shemminger" <osdl.net!shemminger>
Date: Tue, 19 Oct 2004 20:24:47 +0000
Subject: [PATCH] Delete: iproute2/ip/xfrm_state.c

}(Logical change 1.100)
---
 iproute2/ip/xfrm_state.c | 762 ---------------------------------------
 1 file changed, 762 deletions(-)
 delete mode 100644 iproute2/ip/xfrm_state.c

diff --git a/iproute2/ip/xfrm_state.c b/iproute2/ip/xfrm_state.c
deleted file mode 100644
index fc607e23..00000000
--- a/iproute2/ip/xfrm_state.c
+++ /dev/null
@@ -1,762 +0,0 @@
-/* $USAGI: $ */
-
-/*
- * Copyright (C)2004 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-/*
- * based on iproute.c
- */
-/*
- * Authors:
- *	Masahide NAKAMURA @USAGI
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <netdb.h>
-#include <linux/xfrm.h>
-#include "utils.h"
-#include "xfrm.h"
-#include "ip_common.h"
-
-//#define NLMSG_FLUSH_BUF_SIZE (4096-512)
-#define NLMSG_FLUSH_BUF_SIZE 8192
-
-/*
- * Receiving buffer defines:
- * nlmsg
- *   data = struct xfrm_usersa_info
- *   rtattr
- *   rtattr
- *   ... (max count of rtattr is XFRM_MAX_DEPTH)
- *
- *  each rtattr data = struct xfrm_algo(dynamic size) or xfrm_address_t
- */
-#define NLMSG_BUF_SIZE 4096
-#define RTA_BUF_SIZE 2048
-#define XFRM_ALGO_KEY_BUF_SIZE 512
-
-static void usage(void) __attribute__((noreturn));
-
-static void usage(void)
-{
-#ifdef USE_MIP6
-	fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ XFRM_OPT ] [ mode MODE ]\n");
-#else
-	fprintf(stderr, "Usage: ip xfrm state { add | update } ID [ ALGO-LIST ] [ mode MODE ]\n");
-#endif
-	fprintf(stderr, "        [ reqid REQID ] [ FLAG-LIST ] [ sel SELECTOR ] [ LIMIT-LIST ]\n");
-
-	fprintf(stderr, "Usage: ip xfrm state { delete | get } ID\n");
-	fprintf(stderr, "Usage: ip xfrm state { flush | list } [ ID ] [ mode MODE ] [ reqid REQID ]\n");
-	fprintf(stderr, "        [ FLAG_LIST ]\n");
-
-	fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n");
-#ifdef USE_MIP6
-	fprintf(stderr, "XFRM_PROTO := [ esp | ah | ipcomp | route2 | hao ]\n");
-#else
-	fprintf(stderr, "XFRM_PROTO := [ esp | ah | ipcomp ]\n");
-#endif
-	//fprintf(stderr, "SPI - security parameter index(default=0)(PROTO=esp,ah,ipcomp)\n");
-
-#ifdef USE_MIP6
-	fprintf(stderr, "XFRM_OPT := [ ALGO-LIST ] | [ coa ADDR ]\n");
-#endif
-
- 	fprintf(stderr, "MODE := [ transport | tunnel ](default=transport)\n");
- 	//fprintf(stderr, "REQID - number(default=0)\n");
-
-	fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] [ flag FLAG ]\n");
-	fprintf(stderr, "FLAG := [ noecn | wildrecv ]\n");
-
-	fprintf(stderr, "ALGO-LIST := [ ALGO-LIST ] | [ algo ALGO ]\n");
-	fprintf(stderr, "ALGO := ALGO_TYPE ALGO_NAME ALGO_KEY\n");
-	fprintf(stderr, "ALGO_TYPE := [ E | A | C ]\n");
-	//fprintf(stderr, "ALGO_NAME - algorithm name\n");
-	//fprintf(stderr, "ALGO_KEY - algorithm key\n");
-
-	fprintf(stderr, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ upspec UPSPEC ] [ dev DEV ]\n");
-
-	fprintf(stderr, "UPSPEC := proto PROTO [ UPSPEC_OPT ]\n");
-	fprintf(stderr, "UPSPEC_OPT := [ [ sport PORT ] [ dport PORT ] ] |\n");
-#ifdef USE_MIP6
-	fprintf(stderr, "              [ type TYPE [ code CODE ] ](for PROTO=ipv6-icmp) |\n");
-	fprintf(stderr, "              [ type TYPE ](for PROTO=ipv6-mh)\n");
-#else
-	fprintf(stderr, "              [ type TYPE [ code CODE ] ](for PROTO=ipv6-icmp)\n");
-#endif
-
-	//fprintf(stderr, "DEV - device name(default=none)\n");
-	fprintf(stderr, "LIMIT-LIST := [ LIMIT-LIST ] | [ limit LIMIT ]\n");
-	fprintf(stderr, "LIMIT := [ [time-soft|time-hard|time-use-soft|time-use-hard] SECONDS ] |\n");
-	fprintf(stderr, "         [ [byte-soft|byte-hard] SIZE ] | [ [packet-soft|packet-hard] COUNT ]\n");
-	exit(-1);
-}
-
-static int xfrm_algo_parse(struct xfrm_algo *alg, enum xfrm_attr_type_t type,
-			   char *name, char *key, int max)
-{
-	int len;
-
-#if 1
-	/* XXX: verifying both name and key is required! */
-	fprintf(stderr, "warning: ALGONAME/ALGOKEY will send to kernel promiscuously!(verifying them isn't implemented yet)\n");
-#endif
-
-	strncpy(alg->alg_name, name, sizeof(alg->alg_name));
-
-	if (strncmp(key, "0x", 2) == 0) {
-		/*
-		 * XXX: fix me!!
-		 */
-		__u64 val = 0;
-		char *p = (char *)&val;
-
-		if (get_u64(&val, key, 16))
-			invarg("\"ALGOKEY\" is invalid", key);
-
-		len = (strlen(key) - 2) / 2;
-		if (len > sizeof(val))
-			invarg("\"ALGOKEY\" is invalid: too large", key);
-
-		if (len > 0) {
-			int index = sizeof(val) - len;
-			if (len > max)
-				invarg("\"ALGOKEY\" makes buffer overflow\n", key);
-
-			memcpy(alg->alg_key, &p[index], len);
-		}
-
-	} else {
-		len = strlen(key);
-		if (len > 0) {
-			if (len > max)
-				invarg("\"ALGOKEY\" makes buffer overflow\n", key);
-
-			strncpy(alg->alg_key, key, len);
-		}
-	}
-
-	alg->alg_key_len = len * 8;
-
-	return 0;
-}
-
-static int xfrm_state_flag_parse(__u8 *flags, int *argcp, char ***argvp)
-{
-	int argc = *argcp;
-	char **argv = *argvp;
-
-	if (strcmp(*argv, "noecn") == 0)
-		*flags |= XFRM_STATE_NOECN;
-#ifdef USE_MIP6
-	else if (strcmp(*argv, "wildrecv") == 0)
-		*flags |= XFRM_STATE_WILDRECV;
-#endif
-	else
-		invarg("\"FLAG\" is invalid", *argv);
-
-	filter.state_flags_mask = XFRM_FILTER_MASK_FULL;
-
-	*argcp = argc;
-	*argvp = argv;
-
-	return 0;
-}
-
-static int xfrm_state_modify(int cmd, unsigned flags, int argc, char **argv)
-{
-	struct rtnl_handle rth;
-	struct {
-		struct nlmsghdr 	n;
-		struct xfrm_usersa_info xsinfo;
-		char   			buf[RTA_BUF_SIZE];
-	} req;
-	char *idp = NULL;
-	char *ealgop = NULL;
-	char *aalgop = NULL;
-	char *calgop = NULL;
-#ifdef USE_MIP6
-	char *coap = NULL;
-#endif
-
-	memset(&req, 0, sizeof(req));
-
-	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsinfo));
-	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
-	req.n.nlmsg_type = cmd;
-	req.xsinfo.family = preferred_family;
-
-	req.xsinfo.lft.soft_byte_limit = XFRM_INF;
-	req.xsinfo.lft.hard_byte_limit = XFRM_INF;
-	req.xsinfo.lft.soft_packet_limit = XFRM_INF;
-	req.xsinfo.lft.hard_packet_limit = XFRM_INF;
-
-	while (argc > 0) {
-		if (strcmp(*argv, "algo") == 0) {
-			struct {
-				struct xfrm_algo alg;
-				char buf[XFRM_ALGO_KEY_BUF_SIZE];
-			} alg;
-			int len;
-			enum xfrm_attr_type_t type;
-			char *name;
-			char *key;
-
-			NEXT_ARG();
-
-			if (strcmp(*argv, "E") == 0) {
-				if (ealgop)
-					duparg("ALGOTYPE", *argv);
-				ealgop = *argv;
-				type = XFRMA_ALG_CRYPT;
-			} else if (strcmp(*argv, "A") == 0) {
-				if (aalgop)
-					duparg("ALGOTYPE", *argv);
-				aalgop = *argv;
-				type = XFRMA_ALG_AUTH;
-
-			} else if (strcmp(*argv, "C") == 0) {
-				if (calgop)
-					duparg("ALGOTYPE", *argv);
-				calgop = *argv;
-				type = XFRMA_ALG_COMP;
-			} else
-				invarg("\"ALGOTYPE\" is invalid\n", *argv);
-
-			if (!NEXT_ARG_OK())
-				missarg("ALGONAME");
-			NEXT_ARG();
-			name = *argv;
-
-			if (!NEXT_ARG_OK())
-				missarg("ALGOKEY");
-			NEXT_ARG();
-			key = *argv;
-
-			memset(&alg, 0, sizeof(alg));
-
-			xfrm_algo_parse((void *)&alg, type, name, key, sizeof(alg.buf));
-			len = sizeof(struct xfrm_algo) + alg.alg.alg_key_len;
-
-			addattr_l(&req.n, sizeof(req.buf), type,
-				  (void *)&alg, len);
-
-#ifdef USE_MIP6
-		} else if (strcmp(*argv, "coa") == 0) {
-			inet_prefix coa;
-
-			if (coap)
-				duparg("coa", *argv);
-			coap = *argv;
-
-			NEXT_ARG();
-
-			get_prefix(&coa, *argv, req.xsinfo.family);
-			if (req.xsinfo.family == AF_UNSPEC)
-				req.xsinfo.family = coa.family;
-			if (coa.bytelen)
-				addattr_l(&req.n, sizeof(req.buf), XFRMA_ADDR,
-					  &coa.data, coa.bytelen);
-
-#endif
-		} else if (strcmp(*argv, "mode") == 0) {
-			NEXT_ARG();
-			xfrm_mode_parse(&req.xsinfo.mode, &argc, &argv);
-		} else if (strcmp(*argv, "reqid") == 0) {
-			NEXT_ARG();
-			xfrm_reqid_parse(&req.xsinfo.reqid, &argc, &argv);
-		} else if (strcmp(*argv, "flag") == 0) {
-			NEXT_ARG();
-			xfrm_state_flag_parse(&req.xsinfo.flags, &argc, &argv);
-		} else if (strcmp(*argv, "sel") == 0) {
-			NEXT_ARG();
-			xfrm_selector_parse(&req.xsinfo.sel, &argc, &argv);
-
-		} else if (strcmp(*argv, "limit") == 0) {
-			NEXT_ARG();
-			xfrm_lifetime_cfg_parse(&req.xsinfo.lft, &argc, &argv);
-		} else {
-			if (idp)
-				invarg("unknown", *argv);
-			idp = *argv;
-
-			/* ID */
-			xfrm_id_parse(&req.xsinfo.saddr, &req.xsinfo.id,
-				      &req.xsinfo.family, &argc, &argv);
-			if (preferred_family == AF_UNSPEC)
-				preferred_family = req.xsinfo.family;
-		}
-		argc--; argv++;
-	}
-
-	if (!idp) {
-		fprintf(stderr, "Not enough information: \"ID\" is required\n");
-		exit(1);
-	}
-
-	if (ealgop || aalgop || calgop) {
-		if (req.xsinfo.id.proto != IPPROTO_ESP &&
-		    req.xsinfo.id.proto != IPPROTO_AH &&
-		    req.xsinfo.id.proto != IPPROTO_COMP) {
-			fprintf(stderr, "\"ALGO\" is invalid with proto=%d\n", req.xsinfo.id.proto);
-			exit(1);
-		}
-	} else {
-		if (req.xsinfo.id.proto == IPPROTO_ESP ||
-		    req.xsinfo.id.proto == IPPROTO_AH ||
-		    req.xsinfo.id.proto == IPPROTO_COMP) {
-			fprintf(stderr, "\"ALGO\" is required with proto=%d\n", req.xsinfo.id.proto);
-			exit (1);
-		}
-	}
-
-#ifdef USE_MIP6
-	if (coap) {
-		if (req.xsinfo.id.proto != IPPROTO_ROUTING &&
-		    req.xsinfo.id.proto != IPPROTO_DSTOPTS) {
-			fprintf(stderr, "\"COA\" is invalid with proto=%d\n", req.xsinfo.id.proto);
-			exit(1);
-		}
-	} else {
-		if (req.xsinfo.id.proto == IPPROTO_ROUTING ||
-		    req.xsinfo.id.proto == IPPROTO_DSTOPTS) {
-			fprintf(stderr, "\"COA\" is required with proto=%d\n", req.xsinfo.id.proto);
-			exit(1);
-		}
-	}
-#endif
-
-	if (req.xsinfo.id.spi) {
-		if (req.xsinfo.id.proto == IPPROTO_ROUTING ||
-		    req.xsinfo.id.proto == IPPROTO_DSTOPTS) {
-			fprintf(stderr, "Invalid spi: %u (zero is requried) with proto=%d\n", ntohl(req.xsinfo.id.spi), req.xsinfo.id.proto);
-			exit(1);
-		}
-	}
-
-	if (req.xsinfo.mode) {
-		if (req.xsinfo.id.proto == IPPROTO_ROUTING ||
-		    req.xsinfo.id.proto == IPPROTO_DSTOPTS) {
-			fprintf(stderr, "Invalid mode: (transport is requried) with proto=%d\n", req.xsinfo.id.proto);
-			exit(1);
-		}
-	}
-
-	if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
-		exit(1);
-
-	if (req.xsinfo.family == AF_UNSPEC)
-		req.xsinfo.family = AF_INET;
-
-	if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
-		exit(2);
-
-	rtnl_close(&rth);
-
-	return 0;
-}
-
-static int xfrm_state_filter_match(struct xfrm_usersa_info *xsinfo)
-{
-	if (!filter.use)
-		return 1;
-
-	if (filter.id_src_mask)
-		if (memcmp(&xsinfo->saddr, &filter.xsinfo.saddr,
-			   filter.id_src_mask) != 0)
-			return 0;
-	if (filter.id_dst_mask)
-		if (memcmp(&xsinfo->id.daddr, &filter.xsinfo.id.daddr,
-			   filter.id_dst_mask) != 0)
-			return 0;
-	if ((xsinfo->id.proto^filter.xsinfo.id.proto)&filter.id_proto_mask)
-		return 0;
-	if ((xsinfo->id.spi^filter.xsinfo.id.spi)&filter.id_spi_mask)
-		return 0;
-	if ((xsinfo->mode^filter.xsinfo.mode)&filter.mode_mask)
-		return 0;
-	if ((xsinfo->reqid^filter.xsinfo.reqid)&filter.reqid_mask)
-		return 0;
-	if (filter.state_flags_mask)
-		if ((xsinfo->flags & filter.xsinfo.flags) == 0)
-			return 0;
-
-	return 1;
-}
-
-int xfrm_state_print(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
-{
-	FILE *fp = (FILE*)arg;
-	struct xfrm_usersa_info *xsinfo = NLMSG_DATA(n);
-	int len = n->nlmsg_len;
-	struct rtattr * tb[XFRMA_MAX+1];
-	int ntb;
-
-	if (n->nlmsg_type != XFRM_MSG_NEWSA &&
-	    n->nlmsg_type != XFRM_MSG_DELSA) {
-		fprintf(stderr, "Not a state: %08x %08x %08x\n",
-			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
-		return 0;
-	}
-
-	len -= NLMSG_LENGTH(sizeof(*xsinfo));
-	if (len < 0) {
-		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
-		return -1;
-	}
-
-	if (!xfrm_state_filter_match(xsinfo))
-		return 0;
-
-	memset(tb, 0, sizeof(tb));
-	ntb = parse_rtattr_byindex(tb, XFRM_MAX_DEPTH, XFRMS_RTA(xsinfo), len);
-
-	if (n->nlmsg_type == XFRM_MSG_DELSA)
-		fprintf(fp, "Deleted ");
-
-	xfrm_id_info_print(&xsinfo->saddr, &xsinfo->id, xsinfo->mode,
-			   xsinfo->reqid, xsinfo->family, fp, NULL);
-
-	if (show_stats > 0) {
-		fprintf(fp, "\t");
-		fprintf(fp, "seq 0x%08u ", xsinfo->seq);
-		fprintf(fp, "replay-window %d ", xsinfo->replay_window);
-		fprintf(fp, "flags ");
-		if (xsinfo->flags & XFRM_STATE_NOECN)
-			fprintf(fp, "noecn ");
-#ifdef USE_MIP6
-		if (xsinfo->flags & XFRM_STATE_WILDRECV)
-			fprintf(fp, "wildrecv ");
-#endif
-		fprintf(fp, "(0x%s)", strxf_flags(xsinfo->flags));
-
-		fprintf(fp, "\n");
-	}
-
-	xfrm_xfrma_print(tb, ntb, xsinfo->family, fp, "\t");
-
-	if (show_stats > 0) {
-		fprintf(fp, "\tsel:\n");
-		xfrm_selector_print(&xsinfo->sel, xsinfo->family, fp, "\t  ");
-	}
-
-	if (show_stats > 0) {
-		xfrm_lifetime_print(&xsinfo->lft, &xsinfo->curlft, fp, "\t");
-		xfrm_stats_print(&xsinfo->stats, fp, "\t");
-	}
-
-	return 0;
-}
-
-static int xfrm_state_get_or_delete(int argc, char **argv, int delete)
-{
-	struct rtnl_handle rth;
-	struct {
-		struct nlmsghdr 	n;
-		struct xfrm_usersa_id	xsid;
-	} req;
-	struct xfrm_id id;
-	char *idp = NULL;
-
-	memset(&req, 0, sizeof(req));
-
-	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xsid));
-	req.n.nlmsg_flags = NLM_F_REQUEST;
-	req.n.nlmsg_type = delete ? XFRM_MSG_DELSA : XFRM_MSG_GETSA;
-	req.xsid.family = preferred_family;
-
-	while (argc > 0) {
-#ifndef USE_MIP6
-		/*
-		 * XXX: Source address is not used and ignore it to follow
-		 * XXX: a manner of setkey e.g. in the case of deleting/getting
-		 * XXX: message of IPsec SA.
-		 */
-		xfrm_address_t ignore_saddr;
-#endif
-		if (idp)
-			invarg("unknown", *argv);
-		idp = *argv;
-
-		/* ID */
-		memset(&id, 0, sizeof(id));
-#ifdef USE_MIP6
-		xfrm_id_parse(&req.xsid.saddr, &id, &req.xsid.family,
-			      &argc, &argv);
-#else
-		xfrm_id_parse(&ignore_saddr, &id, &req.xsid.family,
-			      &argc, &argv);
-#endif
-		memcpy(&req.xsid.daddr, &id.daddr, sizeof(req.xsid.daddr));
-		req.xsid.spi = id.spi;
-		req.xsid.proto = id.proto;
-
-		argc--; argv++;
-	}
-
-	switch (req.xsid.proto) {
-#ifdef USE_MIP6
-	case IPPROTO_ROUTING:
-	case IPPROTO_DSTOPTS:
-		if (req.xsid.spi) {
-			fprintf(stderr, "Invalid spi: %u (zero is requried) with proto=%d\n", req.xsid.spi, req.xsid.proto);
-			exit(1);
-		}
-		break;
-#endif
-	default:
-		break;
-	}
-
-	if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
-		exit(1);
-
-	if (req.xsid.family == AF_UNSPEC)
-		req.xsid.family = AF_INET;
-
-	if (delete) {
-		if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
-			exit(2);
-	} else {
-		char buf[NLMSG_BUF_SIZE];
-		struct nlmsghdr *res_n = (struct nlmsghdr *)buf;
-
-		memset(buf, 0, sizeof(buf));
-
-		if (rtnl_talk(&rth, &req.n, 0, 0, res_n, NULL, NULL) < 0)
-			exit(2);
-
-		if (xfrm_state_print(NULL, res_n, (void*)stdout) < 0) {
-			fprintf(stderr, "An error :-)\n");
-			exit(1);
-		}
-	}
-
-	rtnl_close(&rth);
-
-	return 0;
-}
-
-/*
- * With an existing state of nlmsg, make new nlmsg for deleting the state
- * and store it to buffer.
- */
-int xfrm_state_keep(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
-{
-	struct xfrm_buffer *xb = (struct xfrm_buffer *)arg;
-	struct rtnl_handle *rth = xb->rth;
-	struct xfrm_usersa_info *xsinfo = NLMSG_DATA(n);
-	int len = n->nlmsg_len;
-	struct nlmsghdr *new_n;
-	struct xfrm_usersa_id *xsid;
-
-	if (n->nlmsg_type != XFRM_MSG_NEWSA) {
-		fprintf(stderr, "Not a state: %08x %08x %08x\n",
-			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
-		return 0;
-	}
-
-	len -= NLMSG_LENGTH(sizeof(*xsinfo));
-	if (len < 0) {
-		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
-		return -1;
-	}
-
-	if (!xfrm_state_filter_match(xsinfo))
-		return 0;
-
-	if (xb->offset > xb->size) {
-		fprintf(stderr, "Flush buffer overflow\n");
-		return -1;
-	}
-
-	new_n = (struct nlmsghdr *)(xb->buf + xb->offset);
-	new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xsid));
-	new_n->nlmsg_flags = NLM_F_REQUEST;
-	new_n->nlmsg_type = XFRM_MSG_DELSA;
-	new_n->nlmsg_seq = ++rth->seq;
-
-	xsid = NLMSG_DATA(new_n);
-	xsid->family = xsinfo->family;
-	memcpy(&xsid->daddr, &xsinfo->id.daddr, sizeof(xsid->daddr));
-#ifdef USE_MIP6
-	memcpy(&xsid->saddr, &xsinfo->saddr, sizeof(xsid->saddr));
-#endif
-	xsid->spi = xsinfo->id.spi;
-	xsid->proto = xsinfo->id.proto;
-
-	xb->offset += new_n->nlmsg_len;
-	xb->nlmsg_count ++;
-
-	return 0;
-}
-
-static int xfrm_state_list_or_flush(int argc, char **argv, int flush)
-{
-	char *idp = NULL;
-	struct rtnl_handle rth;
-
-	filter.use = 1;
-	filter.xsinfo.family = preferred_family;
-
-	while (argc > 0) {
-		if (strcmp(*argv, "mode") == 0) {
-			NEXT_ARG();
-			xfrm_mode_parse(&filter.xsinfo.mode, &argc, &argv);
-
-			filter.mode_mask = XFRM_FILTER_MASK_FULL;
-
-		} else if (strcmp(*argv, "reqid") == 0) {
-			NEXT_ARG();
-			xfrm_reqid_parse(&filter.xsinfo.reqid, &argc, &argv);
-
-			filter.reqid_mask = XFRM_FILTER_MASK_FULL;
-
-		} else if (strcmp(*argv, "flag") == 0) {
-			NEXT_ARG();
-			xfrm_state_flag_parse(&filter.xsinfo.flags, &argc, &argv);
-
-			filter.state_flags_mask = XFRM_FILTER_MASK_FULL;
-
-		} else {
-			if (idp)
-				invarg("unknown", *argv);
-			idp = *argv;
-
-			/* ID */
-			xfrm_id_parse(&filter.xsinfo.saddr,
-				      &filter.xsinfo.id,
-					&filter.xsinfo.family, &argc, &argv);
-			if (preferred_family == AF_UNSPEC)
-				preferred_family = filter.xsinfo.family;
-		}
-		argc--; argv++;
-	}
-
-	if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
-		exit(1);
-
-	if (flush) {
-		struct xfrm_buffer xb;
-		char buf[NLMSG_FLUSH_BUF_SIZE];
-		int i;
-
-		xb.buf = buf;
-		xb.size = sizeof(buf);
-		xb.rth = &rth;
-
-		for (i = 0; ; i++) {
-			xb.offset = 0;
-			xb.nlmsg_count = 0;
-
-			if (show_stats > 1)
-				fprintf(stderr, "Flush round = %d\n", i);
-
-			if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETSA) < 0) {
-				perror("Cannot send dump request");
-				exit(1);
-			}
-
-			if (rtnl_dump_filter(&rth, xfrm_state_keep, &xb, NULL, NULL) < 0) {
-				fprintf(stderr, "Flush terminated\n");
-				exit(1);
-			}
-			if (xb.nlmsg_count == 0) {
-				if (show_stats > 1)
-					fprintf(stderr, "Flush completed\n");
-				break;
-			}
-
-			if (rtnl_send(&rth, xb.buf, xb.offset) < 0) {
-				perror("Failed to send flush request\n");
-				exit(1);
-			}
-			if (show_stats > 1)
-				fprintf(stderr, "Flushed nlmsg count = %d\n", xb.nlmsg_count);
-
-			xb.offset = 0;
-			xb.nlmsg_count = 0;
-		}
-
-	} else {
-		if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETSA) < 0) {
-			perror("Cannot send dump request");
-			exit(1);
-		}
-
-		if (rtnl_dump_filter(&rth, xfrm_state_print, stdout, NULL, NULL) < 0) {
-			fprintf(stderr, "Dump terminated\n");
-			exit(1);
-		}
-	}
-
-	rtnl_close(&rth);
-
-	exit(0);
-}
-
-int do_xfrm_state(int argc, char **argv)
-{
-	if (argc < 1)
-		return xfrm_state_list_or_flush(0, NULL, 0);
-
-#if 0
-	/*
-	 * NLM_F_X is not supported for xfrm in the kernel.
-	 */
-	if (matches(*argv, "add") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_CREATE|NLM_F_EXCL,
-					 argc-1, argv+1);
-	if (matches(*argv, "change") == 0 || strcmp(*argv, "chg") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_REPLACE,
-					 argc-1, argv+1);
-	if (matches(*argv, "replace") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_CREATE|NLM_F_REPLACE,
-					 argc-1, argv+1);
-	if (matches(*argv, "prepend") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_CREATE,
-					 argc-1, argv+1);
-	if (matches(*argv, "append") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_CREATE|NLM_F_APPEND,
-					 argc-1, argv+1);
-	if (matches(*argv, "test") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, NLM_F_EXCL,
-					 argc-1, argv+1);
-#else
-	if (matches(*argv, "add") == 0)
-		return xfrm_state_modify(XFRM_MSG_NEWSA, 0,
-					 argc-1, argv+1);
-#endif
-	if (matches(*argv, "update") == 0)
-		return xfrm_state_modify(XFRM_MSG_UPDSA, 0,
-					 argc-1, argv+1);
-	if (matches(*argv, "delete") == 0 || matches(*argv, "del") == 0)
-		return xfrm_state_get_or_delete(argc-1, argv+1, 1);
-	if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
-	    || matches(*argv, "lst") == 0)
-		return xfrm_state_list_or_flush(argc-1, argv+1, 0);
-	if (matches(*argv, "get") == 0)
-		return xfrm_state_get_or_delete(argc-1, argv+1, 0);
-	if (matches(*argv, "flush") == 0)
-		return xfrm_state_list_or_flush(argc-1, argv+1, 1);
-	if (matches(*argv, "help") == 0)
-		usage();
-	fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm state help\".\n", *argv);
-	exit(-1);
-}