+++ /dev/null
-/* $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/netlink.h>
-#include <linux/xfrm.h>
-#include "utils.h"
-#include "xfrm.h"
-#include "ip_common.h"
-
-//#define NLMSG_DELETEALL_BUF_SIZE (4096-512)
-#define NLMSG_DELETEALL_BUF_SIZE 8192
-
-/*
- * Receiving buffer defines:
- * nlmsg
- * data = struct xfrm_userpolicy_info
- * rtattr
- * data = struct xfrm_user_tmpl[]
- */
-#define NLMSG_BUF_SIZE 4096
-#define RTA_BUF_SIZE 2048
-#define XFRM_TMPLS_BUF_SIZE 1024
-
-static void usage(void) __attribute__((noreturn));
-
-static void usage(void)
-{
- fprintf(stderr, "Usage: ip xfrm policy { add | update } dir DIR SELECTOR [ index INDEX ] \n");
- fprintf(stderr, " [ action ACTION ] [ priority PRIORITY ] [ LIMIT-LIST ] [ TMPL-LIST ]\n");
- fprintf(stderr, "Usage: ip xfrm policy { delete | get } dir DIR [ SELECTOR | index INDEX ]\n");
- fprintf(stderr, "Usage: ip xfrm policy { deleteall | list } [ dir DIR ] [ SELECTOR ]\n");
- fprintf(stderr, " [ index INDEX ] [ action ACTION ] [ priority PRIORITY ]\n");
- fprintf(stderr, "Usage: ip xfrm policy flush\n");
- fprintf(stderr, "DIR := [ in | out | fwd ]\n");
-
- fprintf(stderr, "SELECTOR := src ADDR[/PLEN] dst ADDR[/PLEN] [ UPSPEC ] [ dev DEV ]\n");
-
- fprintf(stderr, "UPSPEC := proto PROTO [ [ sport PORT ] [ dport PORT ] |\n");
- fprintf(stderr, " [ type NUMBER ] [ code NUMBER ] ]\n");
-
- //fprintf(stderr, "DEV - device name(default=none)\n");
-
- fprintf(stderr, "ACTION := [ allow | block ](default=allow)\n");
-
- //fprintf(stderr, "PRIORITY - priority value(default=0)\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] NUMBER ]\n");
-
- fprintf(stderr, "TMPL-LIST := [ TMPL-LIST ] | [ tmpl TMPL ]\n");
- fprintf(stderr, "TMPL := ID [ mode MODE ] [ reqid REQID ] [ level LEVEL ]\n");
- fprintf(stderr, "ID := [ src ADDR ] [ dst ADDR ] [ proto XFRM_PROTO ] [ spi SPI ]\n");
-
- //fprintf(stderr, "XFRM_PROTO := [ esp | ah | comp ]\n");
- fprintf(stderr, "XFRM_PROTO := [ ");
- fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_ESP));
- fprintf(stderr, "%s | ", strxf_xfrmproto(IPPROTO_AH));
- fprintf(stderr, "%s", strxf_xfrmproto(IPPROTO_COMP));
- fprintf(stderr, " ]\n");
-
- fprintf(stderr, "MODE := [ transport | tunnel ](default=transport)\n");
- //fprintf(stderr, "REQID - number(default=0)\n");
- fprintf(stderr, "LEVEL := [ required | use ](default=required)\n");
-
- exit(-1);
-}
-
-static int xfrm_policy_dir_parse(__u8 *dir, int *argcp, char ***argvp)
-{
- int argc = *argcp;
- char **argv = *argvp;
-
- if (strcmp(*argv, "in") == 0)
- *dir = XFRM_POLICY_IN;
- else if (strcmp(*argv, "out") == 0)
- *dir = XFRM_POLICY_OUT;
- else if (strcmp(*argv, "fwd") == 0)
- *dir = XFRM_POLICY_FWD;
- else
- invarg("\"DIR\" is invalid", *argv);
-
- *argcp = argc;
- *argvp = argv;
-
- return 0;
-}
-
-static int xfrm_tmpl_parse(struct xfrm_user_tmpl *tmpl,
- int *argcp, char ***argvp)
-{
- int argc = *argcp;
- char **argv = *argvp;
- char *idp = NULL;
-
- while (1) {
- if (strcmp(*argv, "mode") == 0) {
- NEXT_ARG();
- xfrm_mode_parse(&tmpl->mode, &argc, &argv);
- } else if (strcmp(*argv, "reqid") == 0) {
- NEXT_ARG();
- xfrm_reqid_parse(&tmpl->reqid, &argc, &argv);
- } else if (strcmp(*argv, "level") == 0) {
- NEXT_ARG();
-
- if (strcmp(*argv, "required") == 0)
- tmpl->optional = 0;
- else if (strcmp(*argv, "use") == 0)
- tmpl->optional = 1;
- else
- invarg("\"LEVEL\" is invalid\n", *argv);
-
- } else {
- if (idp) {
- PREV_ARG(); /* back track */
- break;
- }
- idp = *argv;
- xfrm_id_parse(&tmpl->saddr, &tmpl->id, &tmpl->family,
- 0, &argc, &argv);
- if (preferred_family == AF_UNSPEC)
- preferred_family = tmpl->family;
- }
-
- if (!NEXT_ARG_OK())
- break;
-
- NEXT_ARG();
- }
- if (argc == *argcp)
- missarg("TMPL");
-
- *argcp = argc;
- *argvp = argv;
-
- return 0;
-}
-
-static int xfrm_policy_modify(int cmd, unsigned flags, int argc, char **argv)
-{
- struct rtnl_handle rth;
- struct {
- struct nlmsghdr n;
- struct xfrm_userpolicy_info xpinfo;
- char buf[RTA_BUF_SIZE];
- } req;
- char *dirp = NULL;
- char *selp = NULL;
- char tmpls_buf[XFRM_TMPLS_BUF_SIZE];
- int tmpls_len = 0;
-
- memset(&req, 0, sizeof(req));
- memset(&tmpls_buf, 0, sizeof(tmpls_buf));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpinfo));
- req.n.nlmsg_flags = NLM_F_REQUEST|flags;
- req.n.nlmsg_type = cmd;
- req.xpinfo.sel.family = preferred_family;
-
- req.xpinfo.lft.soft_byte_limit = XFRM_INF;
- req.xpinfo.lft.hard_byte_limit = XFRM_INF;
- req.xpinfo.lft.soft_packet_limit = XFRM_INF;
- req.xpinfo.lft.hard_packet_limit = XFRM_INF;
-
- while (argc > 0) {
- if (strcmp(*argv, "dir") == 0) {
- if (dirp)
- duparg("dir", *argv);
- dirp = *argv;
-
- NEXT_ARG();
- xfrm_policy_dir_parse(&req.xpinfo.dir, &argc, &argv);
-
- filter.dir_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "index") == 0) {
- NEXT_ARG();
- if (get_u32(&req.xpinfo.index, *argv, 0))
- invarg("\"INDEX\" is invalid", *argv);
-
- filter.index_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "action") == 0) {
- NEXT_ARG();
- if (strcmp(*argv, "allow") == 0)
- req.xpinfo.action = XFRM_POLICY_ALLOW;
- else if (strcmp(*argv, "block") == 0)
- req.xpinfo.action = XFRM_POLICY_BLOCK;
- else
- invarg("\"action\" value is invalid\n", *argv);
-
- filter.action_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "priority") == 0) {
- NEXT_ARG();
- if (get_u32(&req.xpinfo.priority, *argv, 0))
- invarg("\"PRIORITY\" is invalid", *argv);
-
- filter.priority_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "limit") == 0) {
- NEXT_ARG();
- xfrm_lifetime_cfg_parse(&req.xpinfo.lft, &argc, &argv);
- } else if (strcmp(*argv, "tmpl") == 0) {
- struct xfrm_user_tmpl *tmpl;
-
- if (tmpls_len + sizeof(*tmpl) > sizeof(tmpls_buf)) {
- fprintf(stderr, "Too many tmpls: buffer overflow\n");
- exit(1);
- }
- tmpl = (struct xfrm_user_tmpl *)((char *)tmpls_buf + tmpls_len);
-
- tmpl->family = preferred_family;
- tmpl->aalgos = (~(__u32)0);
- tmpl->ealgos = (~(__u32)0);
- tmpl->calgos = (~(__u32)0);
-
- NEXT_ARG();
- xfrm_tmpl_parse(tmpl, &argc, &argv);
-
- tmpls_len += sizeof(*tmpl);
- } else {
- if (selp)
- duparg("unknown", *argv);
- selp = *argv;
-
- xfrm_selector_parse(&req.xpinfo.sel, &argc, &argv);
- if (preferred_family == AF_UNSPEC)
- preferred_family = req.xpinfo.sel.family;
- }
-
- argc--; argv++;
- }
-
- if (!dirp) {
- fprintf(stderr, "Not enough information: \"DIR\" is required.\n");
- exit(1);
- }
-
- if (tmpls_len > 0) {
- addattr_l(&req.n, sizeof(req), XFRMA_TMPL,
- (void *)tmpls_buf, tmpls_len);
- }
-
- if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
- exit(1);
-
- if (req.xpinfo.sel.family == AF_UNSPEC)
- req.xpinfo.sel.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_policy_filter_match(struct xfrm_userpolicy_info *xpinfo)
-{
- if (!filter.use)
- return 1;
-
- if ((xpinfo->dir^filter.xpinfo.dir)&filter.dir_mask)
- return 0;
-
- if (filter.sel_src_mask) {
- if (xfrm_addr_match(&xpinfo->sel.saddr, &filter.xpinfo.sel.saddr,
- filter.sel_src_mask))
- return 0;
- }
-
- if (filter.sel_dst_mask) {
- if (xfrm_addr_match(&xpinfo->sel.daddr, &filter.xpinfo.sel.daddr,
- filter.sel_dst_mask))
- return 0;
- }
-
- if ((xpinfo->sel.ifindex^filter.xpinfo.sel.ifindex)&filter.sel_dev_mask)
- return 0;
-
- if ((xpinfo->sel.proto^filter.xpinfo.sel.proto)&filter.upspec_proto_mask)
- return 0;
-
- if (filter.upspec_sport_mask) {
- if ((xpinfo->sel.sport^filter.xpinfo.sel.sport)&filter.upspec_sport_mask)
- return 0;
- }
-
- if (filter.upspec_dport_mask) {
- if ((xpinfo->sel.dport^filter.xpinfo.sel.dport)&filter.upspec_dport_mask)
- return 0;
- }
-
- if ((xpinfo->index^filter.xpinfo.index)&filter.index_mask)
- return 0;
-
- if ((xpinfo->action^filter.xpinfo.action)&filter.action_mask)
- return 0;
-
- if ((xpinfo->priority^filter.xpinfo.priority)&filter.priority_mask)
- return 0;
-
- return 1;
-}
-
-int xfrm_policy_print(const struct sockaddr_nl *who, struct nlmsghdr *n,
- void *arg)
-{
- struct rtattr * tb[XFRMA_MAX+1];
- struct rtattr * rta;
- struct xfrm_userpolicy_info *xpinfo = NULL;
- struct xfrm_user_polexpire *xpexp = NULL;
- struct xfrm_userpolicy_id *xpid = NULL;
- FILE *fp = (FILE*)arg;
- int len = n->nlmsg_len;
-
- if (n->nlmsg_type != XFRM_MSG_NEWPOLICY &&
- n->nlmsg_type != XFRM_MSG_DELPOLICY &&
- n->nlmsg_type != XFRM_MSG_UPDPOLICY &&
- n->nlmsg_type != XFRM_MSG_POLEXPIRE) {
- fprintf(stderr, "Not a policy: %08x %08x %08x\n",
- n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
- return 0;
- }
-
- if (n->nlmsg_type == XFRM_MSG_DELPOLICY) {
- xpid = NLMSG_DATA(n);
- len -= NLMSG_LENGTH(sizeof(*xpid));
- } else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) {
- xpexp = NLMSG_DATA(n);
- xpinfo = &xpexp->pol;
- len -= NLMSG_LENGTH(sizeof(*xpexp));
- } else {
- xpexp = NULL;
- xpinfo = NLMSG_DATA(n);
- len -= NLMSG_LENGTH(sizeof(*xpinfo));
- }
-
- if (len < 0) {
- fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
- return -1;
- }
-
- if (xpinfo && !xfrm_policy_filter_match(xpinfo))
- return 0;
-
- if (n->nlmsg_type == XFRM_MSG_DELPOLICY)
- fprintf(fp, "Deleted ");
- else if (n->nlmsg_type == XFRM_MSG_UPDPOLICY)
- fprintf(fp, "Updated ");
- else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE)
- fprintf(fp, "Expired ");
-
- if (n->nlmsg_type == XFRM_MSG_DELPOLICY)
- rta = XFRMPID_RTA(xpid);
- else if (n->nlmsg_type == XFRM_MSG_POLEXPIRE)
- rta = XFRMPEXP_RTA(xpexp);
- else
- rta = XFRMP_RTA(xpinfo);
-
- parse_rtattr(tb, XFRMA_MAX, rta, len);
-
- if (n->nlmsg_type == XFRM_MSG_DELPOLICY) {
- //xfrm_policy_id_print();
- if (!tb[XFRMA_POLICY]) {
- fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: no XFRMA_POLICY\n");
- return -1;
- }
- if (RTA_PAYLOAD(tb[XFRMA_POLICY]) < sizeof(*xpinfo)) {
- fprintf(stderr, "Buggy XFRM_MSG_DELPOLICY: too short XFRMA_POLICY len\n");
- return -1;
- }
- xpinfo = (struct xfrm_userpolicy_info *)RTA_DATA(tb[XFRMA_POLICY]);
- }
-
- xfrm_policy_info_print(xpinfo, tb, fp, NULL, NULL);
-
- if (n->nlmsg_type == XFRM_MSG_POLEXPIRE) {
- fprintf(fp, "\t");
- fprintf(fp, "hard %u", xpexp->hard);
- fprintf(fp, "%s", _SL_);
- }
-
- if (oneline)
- fprintf(fp, "\n");
- fflush(fp);
-
- return 0;
-}
-
-static int xfrm_policy_get_or_delete(int argc, char **argv, int delete,
- void *res_nlbuf)
-{
- struct rtnl_handle rth;
- struct {
- struct nlmsghdr n;
- struct xfrm_userpolicy_id xpid;
- } req;
- char *dirp = NULL;
- char *selp = NULL;
- char *indexp = NULL;
-
- memset(&req, 0, sizeof(req));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.xpid));
- req.n.nlmsg_flags = NLM_F_REQUEST;
- req.n.nlmsg_type = delete ? XFRM_MSG_DELPOLICY : XFRM_MSG_GETPOLICY;
-
- while (argc > 0) {
- if (strcmp(*argv, "dir") == 0) {
- if (dirp)
- duparg("dir", *argv);
- dirp = *argv;
-
- NEXT_ARG();
- xfrm_policy_dir_parse(&req.xpid.dir, &argc, &argv);
-
- } else if (strcmp(*argv, "index") == 0) {
- if (indexp)
- duparg("index", *argv);
- indexp = *argv;
-
- NEXT_ARG();
- if (get_u32(&req.xpid.index, *argv, 0))
- invarg("\"INDEX\" is invalid", *argv);
-
- } else {
- if (selp)
- invarg("unknown", *argv);
- selp = *argv;
-
- xfrm_selector_parse(&req.xpid.sel, &argc, &argv);
- if (preferred_family == AF_UNSPEC)
- preferred_family = req.xpid.sel.family;
-
- }
-
- argc--; argv++;
- }
-
- if (!dirp) {
- fprintf(stderr, "Not enough information: \"DIR\" is required.\n");
- exit(1);
- }
- if (!selp && !indexp) {
- fprintf(stderr, "Not enough information: either \"SELECTOR\" or \"INDEX\" is required.\n");
- exit(1);
- }
- if (selp && indexp)
- duparg2("SELECTOR", "INDEX");
-
- if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
- exit(1);
-
- if (req.xpid.sel.family == AF_UNSPEC)
- req.xpid.sel.family = AF_INET;
-
- if (rtnl_talk(&rth, &req.n, 0, 0, res_nlbuf, NULL, NULL) < 0)
- exit(2);
-
- rtnl_close(&rth);
-
- return 0;
-}
-
-static int xfrm_policy_delete(int argc, char **argv)
-{
- return xfrm_policy_get_or_delete(argc, argv, 1, NULL);
-}
-
-static int xfrm_policy_get(int argc, char **argv)
-{
- char buf[NLMSG_BUF_SIZE];
- struct nlmsghdr *n = (struct nlmsghdr *)buf;
-
- memset(buf, 0, sizeof(buf));
-
- xfrm_policy_get_or_delete(argc, argv, 0, n);
-
- if (xfrm_policy_print(NULL, n, (void*)stdout) < 0) {
- fprintf(stderr, "An error :-)\n");
- exit(1);
- }
-
- return 0;
-}
-
-/*
- * With an existing policy of nlmsg, make new nlmsg for deleting the policy
- * and store it to buffer.
- */
-static int xfrm_policy_keep(const 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_userpolicy_info *xpinfo = NLMSG_DATA(n);
- int len = n->nlmsg_len;
- struct nlmsghdr *new_n;
- struct xfrm_userpolicy_id *xpid;
-
- if (n->nlmsg_type != XFRM_MSG_NEWPOLICY) {
- fprintf(stderr, "Not a policy: %08x %08x %08x\n",
- n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
- return 0;
- }
-
- len -= NLMSG_LENGTH(sizeof(*xpinfo));
- if (len < 0) {
- fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
- return -1;
- }
-
- if (!xfrm_policy_filter_match(xpinfo))
- return 0;
-
- if (xb->offset > xb->size) {
- fprintf(stderr, "Policy buffer overflow\n");
- return -1;
- }
-
- new_n = (struct nlmsghdr *)(xb->buf + xb->offset);
- new_n->nlmsg_len = NLMSG_LENGTH(sizeof(*xpid));
- new_n->nlmsg_flags = NLM_F_REQUEST;
- new_n->nlmsg_type = XFRM_MSG_DELPOLICY;
- new_n->nlmsg_seq = ++rth->seq;
-
- xpid = NLMSG_DATA(new_n);
- memcpy(&xpid->sel, &xpinfo->sel, sizeof(xpid->sel));
- xpid->dir = xpinfo->dir;
- xpid->index = xpinfo->index;
-
- xb->offset += new_n->nlmsg_len;
- xb->nlmsg_count ++;
-
- return 0;
-}
-
-static int xfrm_policy_list_or_deleteall(int argc, char **argv, int deleteall)
-{
- char *selp = NULL;
- struct rtnl_handle rth;
-
- if (argc > 0)
- filter.use = 1;
- filter.xpinfo.sel.family = preferred_family;
-
- while (argc > 0) {
- if (strcmp(*argv, "dir") == 0) {
- NEXT_ARG();
- xfrm_policy_dir_parse(&filter.xpinfo.dir, &argc, &argv);
-
- filter.dir_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "index") == 0) {
- NEXT_ARG();
- if (get_u32(&filter.xpinfo.index, *argv, 0))
- invarg("\"INDEX\" is invalid", *argv);
-
- filter.index_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "action") == 0) {
- NEXT_ARG();
- if (strcmp(*argv, "allow") == 0)
- filter.xpinfo.action = XFRM_POLICY_ALLOW;
- else if (strcmp(*argv, "block") == 0)
- filter.xpinfo.action = XFRM_POLICY_BLOCK;
- else
- invarg("\"ACTION\" is invalid\n", *argv);
-
- filter.action_mask = XFRM_FILTER_MASK_FULL;
-
- } else if (strcmp(*argv, "priority") == 0) {
- NEXT_ARG();
- if (get_u32(&filter.xpinfo.priority, *argv, 0))
- invarg("\"PRIORITY\" is invalid", *argv);
-
- filter.priority_mask = XFRM_FILTER_MASK_FULL;
-
- } else {
- if (selp)
- invarg("unknown", *argv);
- selp = *argv;
-
- xfrm_selector_parse(&filter.xpinfo.sel, &argc, &argv);
- if (preferred_family == AF_UNSPEC)
- preferred_family = filter.xpinfo.sel.family;
-
- }
-
- argc--; argv++;
- }
-
- if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
- exit(1);
-
- if (deleteall) {
- struct xfrm_buffer xb;
- char buf[NLMSG_DELETEALL_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, "Delete-all round = %d\n", i);
-
- if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) {
- perror("Cannot send dump request");
- exit(1);
- }
-
- if (rtnl_dump_filter(&rth, xfrm_policy_keep, &xb, NULL, NULL) < 0) {
- fprintf(stderr, "Delete-all terminated\n");
- exit(1);
- }
- if (xb.nlmsg_count == 0) {
- if (show_stats > 1)
- fprintf(stderr, "Delete-all completed\n");
- break;
- }
-
- if (rtnl_send(&rth, xb.buf, xb.offset) < 0) {
- perror("Failed to send delete-all request\n");
- exit(1);
- }
- if (show_stats > 1)
- fprintf(stderr, "Delete-all nlmsg count = %d\n", xb.nlmsg_count);
-
- xb.offset = 0;
- xb.nlmsg_count = 0;
- }
- } else {
- if (rtnl_wilddump_request(&rth, preferred_family, XFRM_MSG_GETPOLICY) < 0) {
- perror("Cannot send dump request");
- exit(1);
- }
-
- if (rtnl_dump_filter(&rth, xfrm_policy_print, stdout, NULL, NULL) < 0) {
- fprintf(stderr, "Dump terminated\n");
- exit(1);
- }
- }
-
- rtnl_close(&rth);
-
- exit(0);
-}
-
-static int xfrm_policy_flush(void)
-{
- struct rtnl_handle rth;
- struct {
- struct nlmsghdr n;
- } req;
-
- memset(&req, 0, sizeof(req));
-
- req.n.nlmsg_len = NLMSG_LENGTH(0); /* nlmsg data is nothing */
- req.n.nlmsg_flags = NLM_F_REQUEST;
- req.n.nlmsg_type = XFRM_MSG_FLUSHPOLICY;
-
- if (rtnl_open_byproto(&rth, 0, NETLINK_XFRM) < 0)
- exit(1);
-
- if (show_stats > 1)
- fprintf(stderr, "Flush policy\n");
-
- if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
- exit(2);
-
- rtnl_close(&rth);
-
- return 0;
-}
-
-int do_xfrm_policy(int argc, char **argv)
-{
- if (argc < 1)
- return xfrm_policy_list_or_deleteall(0, NULL, 0);
-
- if (matches(*argv, "add") == 0)
- return xfrm_policy_modify(XFRM_MSG_NEWPOLICY, 0,
- argc-1, argv+1);
- if (matches(*argv, "update") == 0)
- return xfrm_policy_modify(XFRM_MSG_UPDPOLICY, 0,
- argc-1, argv+1);
- if (matches(*argv, "delete") == 0)
- return xfrm_policy_delete(argc-1, argv+1);
- if (matches(*argv, "deleteall") == 0 || matches(*argv, "delall") == 0)
- return xfrm_policy_list_or_deleteall(argc-1, argv+1, 1);
- if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0
- || matches(*argv, "lst") == 0)
- return xfrm_policy_list_or_deleteall(argc-1, argv+1, 0);
- if (matches(*argv, "get") == 0)
- return xfrm_policy_get(argc-1, argv+1);
- if (matches(*argv, "flush") == 0)
- return xfrm_policy_flush();
- if (matches(*argv, "help") == 0)
- usage();
- fprintf(stderr, "Command \"%s\" is unknown, try \"ip xfrm policy help\".\n", *argv);
- exit(-1);
-}
git://git.onelab.eu / iproute2.git / blobdiff