#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "ip_common.h"
static void usage(void) __attribute__((noreturn));
+static int prefix_banner;
+int listen_all_nsid;
static void usage(void)
{
- fprintf(stderr, "Usage: ip monitor [ all | LISTofOBJECTS ]\n");
+ fprintf(stderr,
+ "Usage: ip monitor [ all | LISTofOBJECTS ] [ FILE ] [ label ] [all-nsid] [dev DEVICE]\n"
+ "LISTofOBJECTS := link | address | route | mroute | prefix |\n"
+ " neigh | netconf | rule | nsid\n"
+ "FILE := file FILENAME\n");
exit(-1);
}
+static void print_headers(FILE *fp, char *label, struct rtnl_ctrl_data *ctrl)
+{
+ 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);
+ }
+
+ if (prefix_banner)
+ fprintf(fp, "%s", label);
+}
-int accept_msg(const struct sockaddr_nl *who,
- struct nlmsghdr *n, void *arg)
+static int accept_msg(struct rtnl_ctrl_data *ctrl,
+ struct nlmsghdr *n, void *arg)
{
- FILE *fp = (FILE*)arg;
+ FILE *fp = (FILE *)arg;
- if (n->nlmsg_type == RTM_NEWROUTE || n->nlmsg_type == RTM_DELROUTE) {
- print_route(who, n, arg);
- return 0;
+ switch (n->nlmsg_type) {
+ case RTM_NEWROUTE:
+ case RTM_DELROUTE: {
+ struct rtmsg *r = NLMSG_DATA(n);
+ int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));
+
+ if (len < 0) {
+ fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
+ return -1;
+ }
+
+ if (r->rtm_flags & RTM_F_CLONED)
+ return 0;
+
+ if (r->rtm_family == RTNL_FAMILY_IPMR ||
+ r->rtm_family == RTNL_FAMILY_IP6MR) {
+ print_headers(fp, "[MROUTE]", ctrl);
+ print_mroute(n, arg);
+ return 0;
+ } else {
+ print_headers(fp, "[ROUTE]", ctrl);
+ print_route(n, arg);
+ return 0;
+ }
}
- if (n->nlmsg_type == RTM_NEWLINK || n->nlmsg_type == RTM_DELLINK) {
- ll_remember_index(who, n, NULL);
- print_linkinfo(who, n, arg);
+
+ case RTM_NEWNEXTHOP:
+ case RTM_DELNEXTHOP:
+ print_headers(fp, "[NEXTHOP]", ctrl);
+ print_nexthop(n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWADDR || n->nlmsg_type == RTM_DELADDR) {
- print_addrinfo(who, n, arg);
+
+ case RTM_NEWLINK:
+ case RTM_DELLINK:
+ ll_remember_index(n, NULL);
+ print_headers(fp, "[LINK]", ctrl);
+ print_linkinfo(n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWNEIGH || n->nlmsg_type == RTM_DELNEIGH) {
- print_neigh(who, n, arg);
+
+ case RTM_NEWADDR:
+ case RTM_DELADDR:
+ print_headers(fp, "[ADDR]", ctrl);
+ print_addrinfo(n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWPREFIX) {
- print_prefix(who, n, arg);
+
+ case RTM_NEWADDRLABEL:
+ case RTM_DELADDRLABEL:
+ print_headers(fp, "[ADDRLABEL]", ctrl);
+ print_addrlabel(n, arg);
return 0;
- }
- if (n->nlmsg_type == 15) {
- char *tstr;
- time_t secs = ((__u32*)NLMSG_DATA(n))[0];
- long usecs = ((__u32*)NLMSG_DATA(n))[1];
- tstr = asctime(localtime(&secs));
- tstr[strlen(tstr)-1] = 0;
- fprintf(fp, "Timestamp: %s %lu us\n", tstr, usecs);
+
+ case RTM_NEWNEIGH:
+ case RTM_DELNEIGH:
+ case RTM_GETNEIGH:
+ if (preferred_family) {
+ struct ndmsg *r = NLMSG_DATA(n);
+
+ if (r->ndm_family != preferred_family)
+ return 0;
+ }
+
+ print_headers(fp, "[NEIGH]", ctrl);
+ print_neigh(n, arg);
return 0;
- }
- if (n->nlmsg_type == RTM_NEWQDISC ||
- n->nlmsg_type == RTM_DELQDISC ||
- n->nlmsg_type == RTM_NEWTCLASS ||
- n->nlmsg_type == RTM_DELTCLASS ||
- n->nlmsg_type == RTM_NEWTFILTER ||
- n->nlmsg_type == RTM_DELTFILTER)
+
+ case RTM_NEWPREFIX:
+ print_headers(fp, "[PREFIX]", ctrl);
+ print_prefix(n, arg);
+ return 0;
+
+ case RTM_NEWRULE:
+ case RTM_DELRULE:
+ print_headers(fp, "[RULE]", ctrl);
+ print_rule(n, arg);
+ return 0;
+
+ case NLMSG_TSTAMP:
+ print_nlmsg_timestamp(fp, n);
+ return 0;
+
+ case RTM_NEWNETCONF:
+ case RTM_DELNETCONF:
+ print_headers(fp, "[NETCONF]", ctrl);
+ print_netconf(ctrl, n, arg);
return 0;
- if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
- n->nlmsg_type != NLMSG_DONE) {
- fprintf(fp, "Unknown message: %08x %08x %08x\n",
- n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
+
+ case RTM_DELNSID:
+ case RTM_NEWNSID:
+ print_headers(fp, "[NSID]", ctrl);
+ print_nsid(n, arg);
+ return 0;
+
+ case NLMSG_ERROR:
+ case NLMSG_NOOP:
+ case NLMSG_DONE:
+ break; /* ignore */
+
+ default:
+ fprintf(stderr,
+ "Unknown message: type=0x%08x(%d) flags=0x%08x(%d) len=0x%08x(%d)\n",
+ n->nlmsg_type, n->nlmsg_type,
+ n->nlmsg_flags, n->nlmsg_flags, n->nlmsg_len,
+ n->nlmsg_len);
}
return 0;
}
int do_ipmonitor(int argc, char **argv)
{
- struct rtnl_handle rth;
+ int lnexthop = 0, nh_set = 1;
char *file = NULL;
- unsigned groups = ~RTMGRP_TC;
- int llink=0;
- int laddr=0;
- int lroute=0;
- int lprefix=0;
+ unsigned int groups = 0;
+ int llink = 0;
+ int laddr = 0;
+ int lroute = 0;
+ int lmroute = 0;
+ int lprefix = 0;
+ int lneigh = 0;
+ int lnetconf = 0;
+ int lrule = 0;
+ int lnsid = 0;
+ int ifindex = 0;
- ipaddr_reset_filter(1);
- iproute_reset_filter();
- ipneigh_reset_filter();
+ groups |= nl_mgrp(RTNLGRP_LINK);
+ groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
+ groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
+ groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
+ groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
+ groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
+ groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
+ groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
+ groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
+ groups |= nl_mgrp(RTNLGRP_NEIGH);
+ groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
+ groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
+ groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
+ groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
+ groups |= nl_mgrp(RTNLGRP_NSID);
+ groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
+
+ rtnl_close(&rth);
while (argc > 0) {
if (matches(*argv, "file") == 0) {
NEXT_ARG();
file = *argv;
+ } else if (matches(*argv, "label") == 0) {
+ prefix_banner = 1;
} else if (matches(*argv, "link") == 0) {
- llink=1;
+ llink = 1;
groups = 0;
+ nh_set = 0;
} else if (matches(*argv, "address") == 0) {
- laddr=1;
+ laddr = 1;
groups = 0;
+ nh_set = 0;
} else if (matches(*argv, "route") == 0) {
- lroute=1;
+ lroute = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "mroute") == 0) {
+ lmroute = 1;
groups = 0;
+ nh_set = 0;
} else if (matches(*argv, "prefix") == 0) {
- lprefix=1;
+ lprefix = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "neigh") == 0) {
+ lneigh = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "netconf") == 0) {
+ lnetconf = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "rule") == 0) {
+ lrule = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "nsid") == 0) {
+ lnsid = 1;
+ groups = 0;
+ nh_set = 0;
+ } else if (matches(*argv, "nexthop") == 0) {
+ lnexthop = 1;
groups = 0;
} else if (strcmp(*argv, "all") == 0) {
- groups = ~RTMGRP_TC;
+ prefix_banner = 1;
+ } else if (matches(*argv, "all-nsid") == 0) {
+ listen_all_nsid = 1;
} else if (matches(*argv, "help") == 0) {
usage();
+ } else if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+
+ ifindex = ll_name_to_index(*argv);
+ if (!ifindex)
+ invarg("Device does not exist\n", *argv);
} else {
fprintf(stderr, "Argument \"%s\" is unknown, try \"ip monitor help\".\n", *argv);
exit(-1);
argc--; argv++;
}
+ ipaddr_reset_filter(1, ifindex);
+ iproute_reset_filter(ifindex);
+ ipmroute_reset_filter(ifindex);
+ ipneigh_reset_filter(ifindex);
+ ipnetconf_reset_filter(ifindex);
+
if (llink)
- groups |= RTMGRP_LINK;
+ groups |= nl_mgrp(RTNLGRP_LINK);
if (laddr) {
if (!preferred_family || preferred_family == AF_INET)
- groups |= RTMGRP_IPV4_IFADDR;
+ groups |= nl_mgrp(RTNLGRP_IPV4_IFADDR);
if (!preferred_family || preferred_family == AF_INET6)
- groups |= RTMGRP_IPV6_IFADDR;
+ groups |= nl_mgrp(RTNLGRP_IPV6_IFADDR);
}
if (lroute) {
if (!preferred_family || preferred_family == AF_INET)
- groups |= RTMGRP_IPV4_ROUTE;
+ groups |= nl_mgrp(RTNLGRP_IPV4_ROUTE);
+ if (!preferred_family || preferred_family == AF_INET6)
+ groups |= nl_mgrp(RTNLGRP_IPV6_ROUTE);
+ if (!preferred_family || preferred_family == AF_MPLS)
+ groups |= nl_mgrp(RTNLGRP_MPLS_ROUTE);
+ }
+ if (lmroute) {
+ if (!preferred_family || preferred_family == AF_INET)
+ groups |= nl_mgrp(RTNLGRP_IPV4_MROUTE);
if (!preferred_family || preferred_family == AF_INET6)
- groups |= RTMGRP_IPV6_ROUTE;
+ groups |= nl_mgrp(RTNLGRP_IPV6_MROUTE);
}
if (lprefix) {
if (!preferred_family || preferred_family == AF_INET6)
- groups |= RTMGRP_IPV6_PREFIX;
+ groups |= nl_mgrp(RTNLGRP_IPV6_PREFIX);
+ }
+ if (lneigh) {
+ groups |= nl_mgrp(RTNLGRP_NEIGH);
+ }
+ if (lnetconf) {
+ if (!preferred_family || preferred_family == AF_INET)
+ groups |= nl_mgrp(RTNLGRP_IPV4_NETCONF);
+ if (!preferred_family || preferred_family == AF_INET6)
+ groups |= nl_mgrp(RTNLGRP_IPV6_NETCONF);
+ if (!preferred_family || preferred_family == AF_MPLS)
+ groups |= nl_mgrp(RTNLGRP_MPLS_NETCONF);
+ }
+ if (lrule) {
+ if (!preferred_family || preferred_family == AF_INET)
+ groups |= nl_mgrp(RTNLGRP_IPV4_RULE);
+ if (!preferred_family || preferred_family == AF_INET6)
+ groups |= nl_mgrp(RTNLGRP_IPV6_RULE);
}
+ if (lnsid) {
+ groups |= nl_mgrp(RTNLGRP_NSID);
+ }
+ if (nh_set)
+ lnexthop = 1;
if (file) {
FILE *fp;
+ int err;
+
fp = fopen(file, "r");
if (fp == NULL) {
perror("Cannot fopen");
exit(-1);
}
- return rtnl_from_file(fp, accept_msg, (void*)stdout);
+ err = rtnl_from_file(fp, accept_msg, stdout);
+ fclose(fp);
+ return err;
}
if (rtnl_open(&rth, groups) < 0)
exit(1);
+ if (lnexthop && rtnl_add_nl_group(&rth, RTNLGRP_NEXTHOP) < 0) {
+ fprintf(stderr, "Failed to add nexthop group to list\n");
+ exit(1);
+ }
+
+ if (listen_all_nsid && rtnl_listen_all_nsid(&rth) < 0)
+ exit(1);
+
ll_init_map(&rth);
+ netns_nsid_socket_init();
+ netns_map_init();
- if (rtnl_listen(&rth, accept_msg, (void*)stdout) < 0)
+ if (rtnl_listen(&rth, accept_msg, stdout) < 0)
exit(2);
- exit(0);
+ return 0;
}
projects / mirror_iproute2.git / blobdiff