X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=ip%2Fipneigh.c;fp=ip%2Fipneigh.c;h=0000000000000000000000000000000000000000;hp=249ee680b036de267ef6e13933b63e4682fa5fdc;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994

diff --git a/ip/ipneigh.c b/ip/ipneigh.c
deleted file mode 100644
index 249ee68..0000000
--- a/ip/ipneigh.c
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- * ipneigh.c		"ip neigh".
- *
- *		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.
- *
- * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
- *
- * Changes:
- *
- * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/time.h>
-#include <net/if.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-
-#include "rt_names.h"
-#include "utils.h"
-#include "ip_common.h"
-
-#define NUD_VALID	(NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE|NUD_PROBE|NUD_STALE|NUD_DELAY)
-#define MAX_ROUNDS	10
-
-static struct
-{
-	int family;
-        int index;
-	int state;
-	int unused_only;
-	inet_prefix pfx;
-	int flushed;
-	char *flushb;
-	int flushp;
-	int flushe;
-} filter;
-
-static void usage(void) __attribute__((noreturn));
-
-static void usage(void)
-{
-	fprintf(stderr, "Usage: ip neigh { add | del | change | replace } { ADDR [ lladdr LLADDR ]\n"
-		        "          [ nud { permanent | noarp | stale | reachable } ]\n"
-		        "          | proxy ADDR } [ dev DEV ]\n");
-	fprintf(stderr, "       ip neigh {show|flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]\n");
-	exit(-1);
-}
-
-int nud_state_a2n(unsigned *state, char *arg)
-{
-	if (matches(arg, "permanent") == 0)
-		*state = NUD_PERMANENT;
-	else if (matches(arg, "reachable") == 0)
-		*state = NUD_REACHABLE;
-	else if (strcmp(arg, "noarp") == 0)
-		*state = NUD_NOARP;
-	else if (strcmp(arg, "none") == 0)
-		*state = NUD_NONE;
-	else if (strcmp(arg, "stale") == 0)
-		*state = NUD_STALE;
-	else if (strcmp(arg, "incomplete") == 0)
-		*state = NUD_INCOMPLETE;
-	else if (strcmp(arg, "delay") == 0)
-		*state = NUD_DELAY;
-	else if (strcmp(arg, "probe") == 0)
-		*state = NUD_PROBE;
-	else if (matches(arg, "failed") == 0)
-		*state = NUD_FAILED;
-	else {
-		if (get_unsigned(state, arg, 0))
-			return -1;
-		if (*state>=0x100 || (*state&((*state)-1)))
-			return -1;
-	}
-	return 0;
-}
-
-static int flush_update(void)
-{
-	if (rtnl_send(&rth, filter.flushb, filter.flushp) < 0) {
-		perror("Failed to send flush request\n");
-		return -1;
-	}
-	filter.flushp = 0;
-	return 0;
-}
-
-
-static int ipneigh_modify(int cmd, int flags, int argc, char **argv)
-{
-	struct {
-		struct nlmsghdr 	n;
-		struct ndmsg 		ndm;
-		char   			buf[256];
-	} req;
-	char  *d = NULL;
-	int dst_ok = 0;
-	int lladdr_ok = 0;
-	char * lla = NULL;
-	inet_prefix dst;
-
-	memset(&req, 0, sizeof(req));
-
-	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg));
-	req.n.nlmsg_flags = NLM_F_REQUEST|flags;
-	req.n.nlmsg_type = cmd;
-	req.ndm.ndm_family = preferred_family;
-	req.ndm.ndm_state = NUD_PERMANENT;
-
-	while (argc > 0) {
-		if (matches(*argv, "lladdr") == 0) {
-			NEXT_ARG();
-			if (lladdr_ok)
-				duparg("lladdr", *argv);
-			lla = *argv;
-			lladdr_ok = 1;
-		} else if (strcmp(*argv, "nud") == 0) {
-			unsigned state;
-			NEXT_ARG();
-			if (nud_state_a2n(&state, *argv))
-				invarg("nud state is bad", *argv);
-			req.ndm.ndm_state = state;
-		} else if (matches(*argv, "proxy") == 0) {
-			NEXT_ARG();
-			if (matches(*argv, "help") == 0)
-				usage();
-			if (dst_ok)
-				duparg("address", *argv);
-			get_addr(&dst, *argv, preferred_family);
-			dst_ok = 1;
-			req.ndm.ndm_flags |= NTF_PROXY;
-		} else if (strcmp(*argv, "dev") == 0) {
-			NEXT_ARG();
-			d = *argv;
-		} else {
-			if (strcmp(*argv, "to") == 0) {
-				NEXT_ARG();
-			}
-			if (matches(*argv, "help") == 0) {
-				NEXT_ARG();
-			}
-			if (dst_ok)
-				duparg2("to", *argv);
-			get_addr(&dst, *argv, preferred_family);
-			dst_ok = 1;
-		}
-		argc--; argv++;
-	}
-	if (d == NULL || !dst_ok || dst.family == AF_UNSPEC) {
-		fprintf(stderr, "Device and destination are required arguments.\n");
-		exit(-1);
-	}
-	req.ndm.ndm_family = dst.family;
-	addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen);
-
-	if (lla && strcmp(lla, "null")) {
-		char llabuf[20];
-		int l;
-
-		l = ll_addr_a2n(llabuf, sizeof(llabuf), lla);
-		addattr_l(&req.n, sizeof(req), NDA_LLADDR, llabuf, l);
-	}
-
-	ll_init_map(&rth);
-
-	if ((req.ndm.ndm_ifindex = ll_name_to_index(d)) == 0) {
-		fprintf(stderr, "Cannot find device \"%s\"\n", d);
-		return -1;
-	}
-
-	if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
-		exit(2);
-
-	return 0;
-}
-
-
-int print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
-{
-	FILE *fp = (FILE*)arg;
-	struct ndmsg *r = NLMSG_DATA(n);
-	int len = n->nlmsg_len;
-	struct rtattr * tb[NDA_MAX+1];
-	char abuf[256];
-
-	if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) {
-		fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n",
-			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
-		
-		return 0;
-	}
-	len -= NLMSG_LENGTH(sizeof(*r));
-	if (len < 0) {
-		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
-		return -1;
-	}
-
-	if (filter.flushb && n->nlmsg_type != RTM_NEWNEIGH)
-		return 0;
-
-	if (filter.family && filter.family != r->ndm_family)
-		return 0;
-	if (filter.index && filter.index != r->ndm_ifindex)
-		return 0;
-	if (!(filter.state&r->ndm_state) &&
-	    (r->ndm_state || !(filter.state&0x100)) &&
-             (r->ndm_family != AF_DECnet))
-		return 0;
-
-	parse_rtattr(tb, NDA_MAX, NDA_RTA(r), n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
-
-	if (tb[NDA_DST]) {
-		if (filter.pfx.family) {
-			inet_prefix dst;
-			memset(&dst, 0, sizeof(dst));
-			dst.family = r->ndm_family;
-			memcpy(&dst.data, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
-			if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
-				return 0;
-		}
-	}
-	if (filter.unused_only && tb[NDA_CACHEINFO]) {
-		struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
-		if (ci->ndm_refcnt)
-			return 0;
-	}
-
-	if (filter.flushb) {
-		struct nlmsghdr *fn;
-		if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) {
-			if (flush_update())
-				return -1;
-		}
-		fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp));
-		memcpy(fn, n, n->nlmsg_len);
-		fn->nlmsg_type = RTM_DELNEIGH;
-		fn->nlmsg_flags = NLM_F_REQUEST;
-		fn->nlmsg_seq = ++rth.seq;
-		filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb;
-		filter.flushed++;
-		if (show_stats < 2)
-			return 0;
-	}
-
-	if (tb[NDA_DST]) {
-		fprintf(fp, "%s ", 
-			format_host(r->ndm_family,
-				    RTA_PAYLOAD(tb[NDA_DST]),
-				    RTA_DATA(tb[NDA_DST]),
-				    abuf, sizeof(abuf)));
-	}
-	if (!filter.index && r->ndm_ifindex)
-		fprintf(fp, "dev %s ", ll_index_to_name(r->ndm_ifindex));
-	if (tb[NDA_LLADDR]) {
-		SPRINT_BUF(b1);
-		fprintf(fp, "lladdr %s", ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]),
-					      RTA_PAYLOAD(tb[NDA_LLADDR]),
-					      ll_index_to_type(r->ndm_ifindex),
-					      b1, sizeof(b1)));
-	}
-	if (r->ndm_flags & NTF_ROUTER) {
-		fprintf(fp, " router");
-	}
-	if (tb[NDA_CACHEINFO] && show_stats) {
-		static int hz;
-		struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
-		if (!hz)
-			hz = get_hz();
-		if (ci->ndm_refcnt)
-			printf(" ref %d", ci->ndm_refcnt);
-		fprintf(fp, " used %d/%d/%d", ci->ndm_used/hz,
-		       ci->ndm_confirmed/hz, ci->ndm_updated/hz);
-	}
-
-#ifdef NDA_PROBES
-	if (tb[NDA_PROBES] && show_stats) {
-		__u32 p = *(__u32 *) RTA_DATA(tb[NDA_PROBES]);
-		fprintf(fp, " probes %u", p);
-	}
-#endif
-
-	if (r->ndm_state) {
-		int nud = r->ndm_state;
-		fprintf(fp, " ");
-
-#define PRINT_FLAG(f) if (nud & NUD_##f) { \
-	nud &= ~NUD_##f; fprintf(fp, #f "%s", nud ? "," : ""); }
-		PRINT_FLAG(INCOMPLETE);
-		PRINT_FLAG(REACHABLE);
-		PRINT_FLAG(STALE);
-		PRINT_FLAG(DELAY);
-		PRINT_FLAG(PROBE);
-		PRINT_FLAG(FAILED);
-		PRINT_FLAG(NOARP);
-		PRINT_FLAG(PERMANENT);
-#undef PRINT_FLAG
-	}
-	fprintf(fp, "\n");
-
-	fflush(fp);
-	return 0;
-}
-
-void ipneigh_reset_filter()
-{
-	memset(&filter, 0, sizeof(filter));
-	filter.state = ~0;
-}
-
-int do_show_or_flush(int argc, char **argv, int flush)
-{
-	char *filter_dev = NULL;
-	int state_given = 0;
-
-	ipneigh_reset_filter();
-
-	if (!filter.family)
-		filter.family = preferred_family;
-
-	if (flush) {
-		if (argc <= 0) {
-			fprintf(stderr, "Flush requires arguments.\n");
-			return -1;
-		}
-		filter.state = ~(NUD_PERMANENT|NUD_NOARP);
-	} else
-		filter.state = 0xFF & ~NUD_NOARP;
-
-	while (argc > 0) {
-		if (strcmp(*argv, "dev") == 0) {
-			NEXT_ARG();
-			if (filter_dev)
-				duparg("dev", *argv);
-			filter_dev = *argv;
-		} else if (strcmp(*argv, "unused") == 0) {
-			filter.unused_only = 1;
-		} else if (strcmp(*argv, "nud") == 0) {
-			unsigned state;
-			NEXT_ARG();
-			if (!state_given) {
-				state_given = 1;
-				filter.state = 0;
-			}
-			if (nud_state_a2n(&state, *argv)) {
-				if (strcmp(*argv, "all") != 0)
-					invarg("nud state is bad", *argv);
-				state = ~0;
-				if (flush)
-					state &= ~NUD_NOARP;
-			}
-			if (state == 0)
-				state = 0x100;
-			filter.state |= state;
-		} else {
-			if (strcmp(*argv, "to") == 0) {
-				NEXT_ARG();
-			}
-			if (matches(*argv, "help") == 0)
-				usage();
-			get_prefix(&filter.pfx, *argv, filter.family);
-			if (filter.family == AF_UNSPEC)
-				filter.family = filter.pfx.family;
-		}
-		argc--; argv++;
-	}
-
-	ll_init_map(&rth);
-
-	if (filter_dev) {
-		if ((filter.index = ll_name_to_index(filter_dev)) == 0) {
-			fprintf(stderr, "Cannot find device \"%s\"\n", filter_dev);
-			return -1;
-		}
-	}
-
-	if (flush) {
-		int round = 0;
-		char flushb[4096-512];
-
-		filter.flushb = flushb;
-		filter.flushp = 0;
-		filter.flushe = sizeof(flushb);
-		filter.state &= ~NUD_FAILED;
-
-		while (round < MAX_ROUNDS) {
-			if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNEIGH) < 0) {
-				perror("Cannot send dump request");
-				exit(1);
-			}
-			filter.flushed = 0;
-			if (rtnl_dump_filter(&rth, print_neigh, stdout, NULL, NULL) < 0) {
-				fprintf(stderr, "Flush terminated\n");
-				exit(1);
-			}
-			if (filter.flushed == 0) {
-				if (round == 0) {
-					fprintf(stderr, "Nothing to flush.\n");
-				} else if (show_stats)
-					printf("*** Flush is complete after %d round%s ***\n", round, round>1?"s":"");
-				fflush(stdout);
-				return 0;
-			}
-			round++;
-			if (flush_update() < 0)
-				exit(1);
-			if (show_stats) {
-				printf("\n*** Round %d, deleting %d entries ***\n", round, filter.flushed);
-				fflush(stdout);
-			}
-		}
-		printf("*** Flush not complete bailing out after %d rounds\n",
-			MAX_ROUNDS);
-		return 1;
-	}
-
-	if (rtnl_wilddump_request(&rth, filter.family, RTM_GETNEIGH) < 0) {
-		perror("Cannot send dump request");
-		exit(1);
-	}
-
-	if (rtnl_dump_filter(&rth, print_neigh, stdout, NULL, NULL) < 0) {
-		fprintf(stderr, "Dump terminated\n");
-		exit(1);
-	}
-
-	return 0;
-}
-
-int do_ipneigh(int argc, char **argv)
-{
-	if (argc > 0) {
-		if (matches(*argv, "add") == 0)
-			return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
-		if (matches(*argv, "change") == 0 ||
-		    strcmp(*argv, "chg") == 0)
-			return ipneigh_modify(RTM_NEWNEIGH, NLM_F_REPLACE, argc-1, argv+1);
-		if (matches(*argv, "replace") == 0)
-			return ipneigh_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
-		if (matches(*argv, "delete") == 0)
-			return ipneigh_modify(RTM_DELNEIGH, 0, argc-1, argv+1);
-		if (matches(*argv, "get") == 0) {
-			fprintf(stderr, "Sorry, \"neigh get\" is not implemented :-(\n");
-			return -1;
-		}
-		if (matches(*argv, "show") == 0 ||
-		    matches(*argv, "lst") == 0 ||
-		    matches(*argv, "list") == 0)
-			return do_show_or_flush(argc-1, argv+1, 0);
-		if (matches(*argv, "flush") == 0)
-			return do_show_or_flush(argc-1, argv+1, 1);
-		if (matches(*argv, "help") == 0)
-			usage();
-	} else
-		return do_show_or_flush(0, NULL, 0);
-
-	fprintf(stderr, "Command \"%s\" is unknown, try \"ip neigh help\".\n", *argv);
-	exit(-1);
-}