X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=src%2Frtnetlink.c;fp=src%2Frtnetlink.c;h=0000000000000000000000000000000000000000;hb=806ebbc1f4dd848c2d19b56f5be84db16fada612;hp=6017aabf6ac3899e200fa98554fbff136ce13786;hpb=770741e98f2569ec0b00251ba9bf17a92e89221e;p=odhcp6c.git

diff --git a/src/rtnetlink.c b/src/rtnetlink.c
deleted file mode 100644
index 6017aab..0000000
--- a/src/rtnetlink.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/**
- * Copyright (C) 2012 Steven Barth <steven@midlink.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License v2 as published by
- * the Free Software Foundation.
- *
- * 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.
- *
- */
-
-#include <time.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <syslog.h>
-#include <stdbool.h>
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <linux/rtnetlink.h>
-
-#include "odhcp6c.h"
-
-
-static int sock = -1;
-static unsigned seq = 0;
-
-
-// Init rtnetlink socket
-int init_rtnetlink(void)
-{
-	sock = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE);
-	struct sockaddr_nl rtnl_kernel = { .nl_family = AF_NETLINK };
-	if (connect(sock, (struct sockaddr*)&rtnl_kernel, sizeof(rtnl_kernel)))
-		return -1;
-
-	return 0;
-}
-
-
-// CRUD addresses to interface
-int set_rtnetlink_addr(int ifindex, const struct in6_addr *addr,
-		uint32_t pref, uint32_t valid)
-{
-	int flags = NLM_F_REQUEST | NLM_F_ACK;
-	int cmd = RTM_DELADDR;
-
-	if (valid) {
-		flags |= NLM_F_CREATE | NLM_F_REPLACE;
-		cmd = RTM_NEWADDR;
-	}
-
-	struct {
-		struct nlmsghdr nhm;
-		struct ifaddrmsg ifa;
-		struct rtattr rta_addr;
-		struct in6_addr addr;
-		struct rtattr rta_local;
-		struct in6_addr local;
-		struct rtattr rta_info;
-		struct ifa_cacheinfo info;
-	} req = {
-		{sizeof(req), cmd, flags, ++seq, 0},
-		{AF_INET6, 128, 0, RT_SCOPE_UNIVERSE, ifindex},
-		{sizeof(req.rta_addr) + sizeof(req.addr), IFA_ADDRESS},
-		*addr,
-		{sizeof(req.rta_local) + sizeof(req.local), IFA_LOCAL},
-		*addr,
-		{sizeof(req.rta_info) + sizeof(req.info), IFA_CACHEINFO},
-		{pref, valid, 0, 0}
-	};
-	send(sock, &req, sizeof(req), 0);
-
-	struct {
-		struct nlmsghdr nhm;
-		struct nlmsgerr err;
-	} reply;
-	recv(sock, &reply, sizeof(reply), 0);
-
-	char buf[INET6_ADDRSTRLEN];
-	inet_ntop(AF_INET6, addr, buf, sizeof(buf));
-	syslog(LOG_WARNING, "%s address %s/128 for iface %i: %s",
-			(valid) ? "assigning" : "removing", buf,
-			ifindex, strerror(-reply.err.error));
-
-	if (reply.err.error < 0 || valid == 0)
-		return reply.err.error;
-
-	// Check for duplicate addresses
-	struct timespec ts = {1, 0};
-	nanosleep(&ts, NULL);
-
-	req.nhm.nlmsg_type = RTM_GETADDR;
-	req.nhm.nlmsg_seq = ++seq;
-	req.nhm.nlmsg_flags = NLM_F_REQUEST;
-	send(sock, &req, sizeof(req), 0);
-
-	struct {
-		struct nlmsghdr nhm;
-		struct ifaddrmsg ifa;
-		uint8_t buf[1024];
-	} dad_reply;
-	recv(sock, &dad_reply, sizeof(dad_reply), 0);
-
-	if (dad_reply.nhm.nlmsg_type != RTM_NEWADDR ||
-			(dad_reply.ifa.ifa_flags & IFA_F_DADFAILED)) {
-		syslog(LOG_WARNING, "Removing duplicate address %s", buf);
-		set_rtnetlink_addr(ifindex, addr, 0, 0);
-		return -EADDRNOTAVAIL;
-	}
-	return 0;
-}