]> git.proxmox.com Git - mirror_iproute2.git/blobdiff - ip/xfrm_monitor.c
Merge branch 'iproute2-master' into iproute2-next
[mirror_iproute2.git] / ip / xfrm_monitor.c
index baa461066ca7f3223b99fe4dd66376ae92e943f6..76905ed3f1e14c56ae338e0d73998ac99c763389 100644 (file)
@@ -2,20 +2,19 @@
 
 /*
  * 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
+ * along with this program; if not, see <http://www.gnu.org/licenses>.
  */
 /*
  * based on ipmonitor.c
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <linux/xfrm.h>
+#include <netinet/in.h>
+
 #include "utils.h"
 #include "xfrm.h"
 #include "ip_common.h"
 
 static void usage(void) __attribute__((noreturn));
+static int listen_all_nsid;
 
 static void usage(void)
 {
-       fprintf(stderr, "Usage: ip xfrm monitor [ all | LISTofOBJECTS ]\n");
+       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)
+static int xfrm_acquire_print(struct nlmsghdr *n, void *arg)
 {
-       FILE *fp = (FILE*)arg;
+       FILE *fp = (FILE *)arg;
        struct xfrm_user_acquire *xacq = NLMSG_DATA(n);
        int len = n->nlmsg_len;
-       struct rtattr * tb[XFRMA_MAX+1];
+       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);
@@ -75,6 +70,7 @@ static int xfrm_acquire_print(const struct sockaddr_nl *who,
        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);
@@ -108,42 +104,227 @@ static int xfrm_acquire_print(const struct sockaddr_nl *who,
        return 0;
 }
 
-static int xfrm_accept_msg(const struct sockaddr_nl *who,
+static int xfrm_state_flush_print(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(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 = 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(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)
+{
+       fprintf(fp, "dst %s ",
+               rt_addr_n2a(sa_id->family, sizeof(sa_id->daddr), &sa_id->daddr));
+
+       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(struct nlmsghdr *n, void *arg)
+{
+       FILE *fp = (FILE *)arg;
+       struct xfrm_aevent_id *id = NLMSG_DATA(n);
+
+       fprintf(fp, "Async event ");
+       xfrm_ae_flags_print(id->flags, arg);
+       fprintf(fp, "\n\t");
+       fprintf(fp, "src %s ", rt_addr_n2a(id->sa_id.family,
+                                          sizeof(id->saddr), &id->saddr));
+
+       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)
+{
+       fprintf(fp, "%s", rt_addr_n2a(family, sizeof(*a), a));
+}
+
+static int xfrm_mapping_print(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(struct rtnl_ctrl_data *ctrl,
                           struct nlmsghdr *n, void *arg)
 {
-       FILE *fp = (FILE*)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 (listen_all_nsid) {
+               if (ctrl == NULL || ctrl->nsid < 0)
+                       fprintf(fp, "[nsid current]");
+               else
+                       fprintf(fp, "[nsid %d]", ctrl->nsid);
        }
 
-       if (n->nlmsg_type == XFRM_MSG_ACQUIRE) {
-               xfrm_acquire_print(who, n, arg);
+       switch (n->nlmsg_type) {
+       case XFRM_MSG_NEWSA:
+       case XFRM_MSG_DELSA:
+       case XFRM_MSG_UPDSA:
+       case XFRM_MSG_EXPIRE:
+               xfrm_state_print(n, arg);
                return 0;
-       }
-       if (n->nlmsg_type == XFRM_MSG_FLUSHSA) {
-               /* XXX: Todo: show proto in xfrm_usersa_flush */
-               fprintf(fp, "Flushed state\n");
+       case XFRM_MSG_NEWPOLICY:
+       case XFRM_MSG_DELPOLICY:
+       case XFRM_MSG_UPDPOLICY:
+       case XFRM_MSG_POLEXPIRE:
+               xfrm_policy_print(n, arg);
                return 0;
-       }
-       if (n->nlmsg_type == XFRM_MSG_FLUSHPOLICY) {
-               fprintf(fp, "Flushed policy\n");
+       case XFRM_MSG_ACQUIRE:
+               xfrm_acquire_print(n, arg);
+               return 0;
+       case XFRM_MSG_FLUSHSA:
+               xfrm_state_flush_print(n, arg);
+               return 0;
+       case XFRM_MSG_FLUSHPOLICY:
+               xfrm_policy_flush_print(n, arg);
+               return 0;
+       case XFRM_MSG_REPORT:
+               xfrm_report_print(n, arg);
+               return 0;
+       case XFRM_MSG_NEWAE:
+               xfrm_ae_print(n, arg);
                return 0;
+       case XFRM_MSG_MAPPING:
+               xfrm_mapping_print(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",
@@ -157,11 +338,13 @@ 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 lpolicy=0;
-       int lsa=0;
+       unsigned int 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);
 
@@ -169,17 +352,27 @@ int do_xfrm_monitor(int argc, char **argv)
                if (matches(*argv, "file") == 0) {
                        NEXT_ARG();
                        file = *argv;
+               } else if (strcmp(*argv, "all") == 0) {
+                       /* fall out */
+               } else if (matches(*argv, "all-nsid") == 0) {
+                       listen_all_nsid = 1;
                } else if (matches(*argv, "acquire") == 0) {
-                       lacquire=1;
+                       lacquire = 1;
                        groups = 0;
                } else if (matches(*argv, "expire") == 0) {
-                       lexpire=1;
+                       lexpire = 1;
                        groups = 0;
                } else if (matches(*argv, "SA") == 0) {
-                       lsa=1;
+                       lsa = 1;
+                       groups = 0;
+               } else if (matches(*argv, "aevent") == 0) {
+                       laevent = 1;
                        groups = 0;
                } else if (matches(*argv, "policy") == 0) {
-                       lpolicy=1;
+                       lpolicy = 1;
+                       groups = 0;
+               } else if (matches(*argv, "report") == 0) {
+                       lreport = 1;
                        groups = 0;
                } else if (matches(*argv, "help") == 0) {
                        usage();
@@ -191,30 +384,38 @@ int do_xfrm_monitor(int argc, char **argv)
        }
 
        if (lacquire)
-               groups |= XFRMGRP_ACQUIRE;
+               groups |= nl_mgrp(XFRMNLGRP_ACQUIRE);
        if (lexpire)
-               groups |= XFRMGRP_EXPIRE;
+               groups |= nl_mgrp(XFRMNLGRP_EXPIRE);
        if (lsa)
-               groups |= XFRMGRP_SA;
+               groups |= nl_mgrp(XFRMNLGRP_SA);
        if (lpolicy)
-               groups |= XFRMGRP_POLICY;
+               groups |= nl_mgrp(XFRMNLGRP_POLICY);
+       if (laevent)
+               groups |= nl_mgrp(XFRMNLGRP_AEVENTS);
+       if (lreport)
+               groups |= nl_mgrp(XFRMNLGRP_REPORT);
 
        if (file) {
                FILE *fp;
+               int err;
+
                fp = fopen(file, "r");
                if (fp == NULL) {
                        perror("Cannot fopen");
                        exit(-1);
                }
-               return rtnl_from_file(fp, xfrm_accept_msg, (void*)stdout);
+               err = rtnl_from_file(fp, xfrm_accept_msg, stdout);
+               fclose(fp);
+               return err;
        }
 
-       //ll_init_map(&rth);
-
        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)
+       if (rtnl_listen(&rth, xfrm_accept_msg, (void *)stdout) < 0)
                exit(2);
 
        return 0;