1dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat/* 2dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * ipneigh.c "ip neigh". 3dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 4dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * This program is free software; you can redistribute it and/or 5dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * modify it under the terms of the GNU General Public License 6dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * as published by the Free Software Foundation; either version 7dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 2 of the License, or (at your option) any later version. 8dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 9dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 11dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat */ 12dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 13dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <stdio.h> 14dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <stdlib.h> 15dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <unistd.h> 16dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <syslog.h> 17dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <fcntl.h> 18dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <string.h> 19dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <sys/time.h> 20dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <sys/socket.h> 21dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <netinet/in.h> 22dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <netinet/ip.h> 23dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 24dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "rt_names.h" 25dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "utils.h" 26dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "ip_common.h" 27dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 28dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#define NUD_VALID (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE|NUD_PROBE|NUD_STALE|NUD_DELAY) 29dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#define MAX_ROUNDS 10 30dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 31dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic struct 32dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 33dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int family; 34dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int index; 35dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int state; 36dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int unused_only; 37dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat inet_prefix pfx; 38dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int flushed; 39dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char *flushb; 40dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int flushp; 41dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int flushe; 42dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} filter; 43dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 44dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void) __attribute__((noreturn)); 45dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 46dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void) 47dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 48dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Usage: ip neigh { add | del | change | replace } { ADDR [ lladdr LLADDR ]\n" 49dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat " [ nud { permanent | noarp | stale | reachable } ]\n" 50dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat " | proxy ADDR } [ dev DEV ]\n"); 51dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " ip neigh {show|flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]\n"); 52dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(-1); 53dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 54dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 55dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint nud_state_a2n(unsigned *state, char *arg) 56dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 57dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(arg, "permanent") == 0) 58dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_PERMANENT; 59dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (matches(arg, "reachable") == 0) 60dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_REACHABLE; 61dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "noarp") == 0) 62dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_NOARP; 63dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "none") == 0) 64dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_NONE; 65dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "stale") == 0) 66dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_STALE; 67dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "incomplete") == 0) 68dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_INCOMPLETE; 69dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "delay") == 0) 70dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_DELAY; 71dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (strcmp(arg, "probe") == 0) 72dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_PROBE; 73dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (matches(arg, "failed") == 0) 74dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat *state = NUD_FAILED; 75dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else { 76dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_unsigned(state, arg, 0)) 77dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 78dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (*state>=0x100 || (*state&((*state)-1))) 79dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 80dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 81dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 82dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 83dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 84dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int flush_update(void) 85dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 86dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_send_check(&rth, filter.flushb, filter.flushp) < 0) { 87dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Failed to send flush request"); 88dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 89dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 90dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushp = 0; 91dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 92dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 93dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 94dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 95dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int ipneigh_modify(int cmd, int flags, int argc, char **argv) 96dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 97dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct { 98dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr n; 99dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct ndmsg ndm; 100dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char buf[256]; 101dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } req; 102dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char *d = NULL; 103dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int dst_ok = 0; 104dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int lladdr_ok = 0; 105dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char * lla = NULL; 106dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat inet_prefix dst; 107dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 108dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&req, 0, sizeof(req)); 109dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 110dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)); 111dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_flags = NLM_F_REQUEST|flags; 112dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_type = cmd; 113dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.ndm.ndm_family = preferred_family; 114dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.ndm.ndm_state = NUD_PERMANENT; 115dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 116dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 117dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "lladdr") == 0) { 118dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 119dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (lladdr_ok) 120dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("lladdr", *argv); 121dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat lla = *argv; 122dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat lladdr_ok = 1; 123dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "nud") == 0) { 124dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat unsigned state; 125dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 126dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (nud_state_a2n(&state, *argv)) 127dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg("nud state is bad", *argv); 128dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.ndm.ndm_state = state; 129dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "proxy") == 0) { 130dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 131dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 132dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 133dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (dst_ok) 134dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("address", *argv); 135dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat get_addr(&dst, *argv, preferred_family); 136dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat dst_ok = 1; 137dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.ndm.ndm_flags |= NTF_PROXY; 138dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "dev") == 0) { 139dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 140dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat d = *argv; 141dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 142dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "to") == 0) { 143dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 144dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 145dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) { 146dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 147dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 148dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (dst_ok) 149dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg2("to", *argv); 150dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat get_addr(&dst, *argv, preferred_family); 151dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat dst_ok = 1; 152dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 153dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 154dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 155dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d == NULL || !dst_ok || dst.family == AF_UNSPEC) { 156dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Device and destination are required arguments.\n"); 157dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(-1); 158dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 159dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.ndm.ndm_family = dst.family; 160dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen); 161dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 162dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (lla && strcmp(lla, "null")) { 163dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char llabuf[20]; 164dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int l; 165dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 166dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat l = ll_addr_a2n(llabuf, sizeof(llabuf), lla); 167dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), NDA_LLADDR, llabuf, l); 168dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 169dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 170dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 171dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 172dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((req.ndm.ndm_ifindex = ll_name_to_index(d)) == 0) { 173dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 174dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 175dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 176dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 177dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) 178dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(2); 179dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 180dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 181dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 182dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 183dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 184dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) 185dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 186dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat FILE *fp = (FILE*)arg; 187dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct ndmsg *r = NLMSG_DATA(n); 188dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int len = n->nlmsg_len; 189dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr * tb[NDA_MAX+1]; 190dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char abuf[256]; 191dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 192dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) { 193dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n", 194dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); 195dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 196dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 197dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 198dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat len -= NLMSG_LENGTH(sizeof(*r)); 199dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (len < 0) { 200dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "BUG: wrong nlmsg len %d\n", len); 201dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 202dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 203dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 204dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.flushb && n->nlmsg_type != RTM_NEWNEIGH) 205dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 206dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 207dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.family && filter.family != r->ndm_family) 208dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 209dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.index && filter.index != r->ndm_ifindex) 210dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 211dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!(filter.state&r->ndm_state) && 212dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat (r->ndm_state || !(filter.state&0x100)) && 213dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat (r->ndm_family != AF_DECnet)) 214dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 215dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 216dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat parse_rtattr(tb, NDA_MAX, NDA_RTA(r), n->nlmsg_len - NLMSG_LENGTH(sizeof(*r))); 217dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 218dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[NDA_DST]) { 219dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.pfx.family) { 220dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat inet_prefix dst; 221dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&dst, 0, sizeof(dst)); 222dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat dst.family = r->ndm_family; 223dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memcpy(&dst.data, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST])); 224dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) 225dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 226dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 227dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 228dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.unused_only && tb[NDA_CACHEINFO]) { 229dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]); 230dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (ci->ndm_refcnt) 231dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 232dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 233dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 234dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.flushb) { 235dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr *fn; 236dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { 237dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (flush_update()) 238dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 239dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 240dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); 241dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memcpy(fn, n, n->nlmsg_len); 242dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fn->nlmsg_type = RTM_DELNEIGH; 243dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fn->nlmsg_flags = NLM_F_REQUEST; 244dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fn->nlmsg_seq = ++rth.seq; 245dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; 246dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushed++; 247dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats < 2) 248dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 249dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 250dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 251dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[NDA_DST]) { 252dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "%s ", 253dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat format_host(r->ndm_family, 254dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat RTA_PAYLOAD(tb[NDA_DST]), 255dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat RTA_DATA(tb[NDA_DST]), 256dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat abuf, sizeof(abuf))); 257dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 258dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter.index && r->ndm_ifindex) 259dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "dev %s ", ll_index_to_name(r->ndm_ifindex)); 260dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[NDA_LLADDR]) { 261dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat SPRINT_BUF(b1); 262dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "lladdr %s", ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]), 263dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat RTA_PAYLOAD(tb[NDA_LLADDR]), 264dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_index_to_type(r->ndm_ifindex), 265dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat b1, sizeof(b1))); 266dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 267dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (r->ndm_flags & NTF_ROUTER) { 268dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, " router"); 269dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 270dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[NDA_CACHEINFO] && show_stats) { 271dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]); 272dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int hz = get_user_hz(); 273dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 274dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (ci->ndm_refcnt) 275dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat printf(" ref %d", ci->ndm_refcnt); 276dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, " used %d/%d/%d", ci->ndm_used/hz, 277dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ci->ndm_confirmed/hz, ci->ndm_updated/hz); 278dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 279dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 280dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#ifdef NDA_PROBES 281dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[NDA_PROBES] && show_stats) { 282dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 p = *(__u32 *) RTA_DATA(tb[NDA_PROBES]); 283dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, " probes %u", p); 284dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 285dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 286dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 287dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (r->ndm_state) { 288dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int nud = r->ndm_state; 289dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, " "); 290dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 291dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#define PRINT_FLAG(f) if (nud & NUD_##f) { \ 292dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat nud &= ~NUD_##f; fprintf(fp, #f "%s", nud ? "," : ""); } 293dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(INCOMPLETE); 294dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(REACHABLE); 295dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(STALE); 296dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(DELAY); 297dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(PROBE); 298dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(FAILED); 299dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(NOARP); 300dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat PRINT_FLAG(PERMANENT); 301dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#undef PRINT_FLAG 302dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 303dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 304dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 305dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(fp); 306dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 307dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 308dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 309dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatvoid ipneigh_reset_filter() 310dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 311dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&filter, 0, sizeof(filter)); 312dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state = ~0; 313dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 314dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 315dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint do_show_or_flush(int argc, char **argv, int flush) 316dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 317dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char *filter_dev = NULL; 318dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int state_given = 0; 319dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 320dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ipneigh_reset_filter(); 321dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 322dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter.family) 323dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.family = preferred_family; 324dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 325dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (flush) { 326dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc <= 0) { 327dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Flush requires arguments.\n"); 328dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 329dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 330dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state = ~(NUD_PERMANENT|NUD_NOARP); 331dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else 332dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state = 0xFF & ~NUD_NOARP; 333dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 334dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 335dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 336dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 337dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_dev) 338dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 339dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_dev = *argv; 340dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "unused") == 0) { 341dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.unused_only = 1; 342dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "nud") == 0) { 343dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat unsigned state; 344dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 345dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!state_given) { 346dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat state_given = 1; 347dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state = 0; 348dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 349dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (nud_state_a2n(&state, *argv)) { 350dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "all") != 0) 351dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg("nud state is bad", *argv); 352dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat state = ~0; 353dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (flush) 354dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat state &= ~NUD_NOARP; 355dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 356dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (state == 0) 357dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat state = 0x100; 358dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state |= state; 359dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 360dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "to") == 0) { 361dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 362dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 363dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 364dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 365dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat get_prefix(&filter.pfx, *argv, filter.family); 366dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.family == AF_UNSPEC) 367dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.family = filter.pfx.family; 368dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 369dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 370dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 371dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 372dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 373dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 374dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_dev) { 375dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((filter.index = ll_name_to_index(filter_dev)) == 0) { 376dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", filter_dev); 377dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 378dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 379dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 380dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 381dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (flush) { 382dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int round = 0; 383dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char flushb[4096-512]; 384dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 385dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushb = flushb; 386dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushp = 0; 387dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushe = sizeof(flushb); 388dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.state &= ~NUD_FAILED; 389dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 390dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (round < MAX_ROUNDS) { 391dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNEIGH) < 0) { 392dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Cannot send dump request"); 393dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(1); 394dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 395dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter.flushed = 0; 396dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_filter(&rth, print_neigh, stdout, NULL, NULL) < 0) { 397dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Flush terminated\n"); 398dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(1); 399dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 400dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter.flushed == 0) { 401dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats) { 402dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (round == 0) 403dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat printf("Nothing to flush.\n"); 404dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 405dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":""); 406dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 407dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(stdout); 408dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 409dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 410dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat round++; 411dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (flush_update() < 0) 412dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(1); 413dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats) { 414dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed); 415dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(stdout); 416dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 417dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 418dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat printf("*** Flush not complete bailing out after %d rounds\n", 419dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat MAX_ROUNDS); 420dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 421dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 422dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 423dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNEIGH) < 0) { 424dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Cannot send dump request"); 425dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(1); 426dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 427dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 428dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_filter(&rth, print_neigh, stdout, NULL, NULL) < 0) { 429dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Dump terminated\n"); 430dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(1); 431dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 432dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 433dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 434dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 435dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 436dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint do_ipneigh(int argc, char **argv) 437dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 438dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc > 0) { 439dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "add") == 0) 440dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1); 441dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "change") == 0 || 442dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strcmp(*argv, "chg") == 0) 443dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return ipneigh_modify(RTM_NEWNEIGH, NLM_F_REPLACE, argc-1, argv+1); 444dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "replace") == 0) 445dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1); 446dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "delete") == 0) 447dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return ipneigh_modify(RTM_DELNEIGH, 0, argc-1, argv+1); 448dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "get") == 0) { 449dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Sorry, \"neigh get\" is not implemented :-(\n"); 450dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 451dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 452dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "show") == 0 || 453dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat matches(*argv, "lst") == 0 || 454dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat matches(*argv, "list") == 0) 455dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return do_show_or_flush(argc-1, argv+1, 0); 456dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "flush") == 0) 457dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return do_show_or_flush(argc-1, argv+1, 1); 458dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 459dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 460dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else 461dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return do_show_or_flush(0, NULL, 0); 462dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 463dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Command \"%s\" is unknown, try \"ip neigh help\".\n", *argv); 464dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat exit(-1); 465dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 466