--- /dev/null
+/* $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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+/*
+ * based on ipmonitor.c
+ */
+/*
+ * Authors:
+ * Masahide NAKAMURA @USAGI
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <linux/xfrm.h>
+#include "utils.h"
+#include "xfrm.h"
+#include "ip_common.h"
+
+static void usage(void) __attribute__((noreturn));
+
+static void usage(void)
+{
+ fprintf(stderr, "Usage: ip xfrm monitor [ all | LISTofOBJECTS ]\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;
+
+ if (n->nlmsg_type != XFRM_MSG_ACQUIRE) {
+ fprintf(stderr, "Not an acquire: %08x %08x %08x\n",
+ n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
+ return 0;
+ }
+
+ 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_accept_msg(const struct sockaddr_nl *who,
+ struct nlmsghdr *n, void *arg)
+{
+ FILE *fp = (FILE*)arg;
+
+ if (timestamp)
+ print_timestamp(fp);
+
+ if (n->nlmsg_type == XFRM_MSG_NEWSA ||
+ n->nlmsg_type == XFRM_MSG_DELSA ||
+ n->nlmsg_type == XFRM_MSG_UPDSA ||
+ n->nlmsg_type == XFRM_MSG_EXPIRE) {
+ xfrm_state_print(who, n, arg);
+ return 0;
+ }
+ 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) {
+ xfrm_policy_print(who, n, arg);
+ return 0;
+ }
+
+ if (n->nlmsg_type == XFRM_MSG_ACQUIRE) {
+ xfrm_acquire_print(who, n, arg);
+ return 0;
+ }
+ if (n->nlmsg_type == XFRM_MSG_FLUSHSA) {
+ /* XXX: Todo: show proto in xfrm_usersa_flush */
+ fprintf(fp, "Flushed state\n");
+ return 0;
+ }
+ if (n->nlmsg_type == XFRM_MSG_FLUSHPOLICY) {
+ fprintf(fp, "Flushed policy\n");
+ return 0;
+ }
+ 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;
+}
+
+int do_xfrm_monitor(int argc, char **argv)
+{
+ struct rtnl_handle rth;
+ char *file = NULL;
+ unsigned groups = ~((unsigned)0); /* XXX */
+ int lacquire=0;
+ int lexpire=0;
+ int lpolicy=0;
+ int lsa=0;
+
+ while (argc > 0) {
+ if (matches(*argv, "file") == 0) {
+ NEXT_ARG();
+ file = *argv;
+ } 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, "policy") == 0) {
+ lpolicy=1;
+ groups = 0;
+ } else if (matches(*argv, "help") == 0) {
+ usage();
+ } else {
+ fprintf(stderr, "Argument \"%s\" is unknown, try \"ip xfrm monitor help\".\n", *argv);
+ exit(-1);
+ }
+ argc--; argv++;
+ }
+
+ if (lacquire)
+ groups |= XFRMGRP_ACQUIRE;
+ if (lexpire)
+ groups |= XFRMGRP_EXPIRE;
+ if (lsa)
+ groups |= XFRMGRP_SA;
+ if (lpolicy)
+ groups |= XFRMGRP_POLICY;
+
+ 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);
+ }
+
+ //ll_init_map(&rth);
+
+ if (rtnl_open_byproto(&rth, groups, NETLINK_XFRM) < 0)
+ exit(1);
+
+ if (rtnl_listen(&rth, xfrm_accept_msg, (void*)stdout) < 0)
+ exit(2);
+
+ return 0;
+}
git://git.onelab.eu / iproute2.git / blobdiff