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add/remove routes via rtnetlink

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This commit is contained in:
Grant Limberg 2018-05-25 14:18:06 -07:00
parent 7da4b0af15
commit be469f4dd0
4 changed files with 538 additions and 359 deletions
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28
osdep/LinuxNetLink.hpp
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@ -33,28 +33,23 @@
#include <asm/types.h>
#include <linux/rtnetlink.h>
#include <sys/socket.h>
#include <linux/if.h>
#include "../node/InetAddress.hpp"
#include "Thread.hpp"
#include "../node/Hashtable.hpp"
namespace ZeroTier {
struct route_entry {
InetAddress target;
InetAddress via;
const char *iface;
InetAddress target;
InetAddress via;
int if_index;
char iface[IFNAMSIZ];
};
typedef std::vector<route_entry> RouteList;
struct nl_req {
struct nlmsghdr nl;
struct rtmsg rt;
char buf[8192];
};
/**
* Interface with Linux's RTNETLINK
*/
@ -93,18 +88,27 @@ private:
void _ipAddressAdded(struct nlmsghdr *nlp);
void _ipAddressDeleted(struct nlmsghdr *nlp);
void _requestInterfaceList();
void _requestIPv4Routes();
void _requestIPv6Routes();
Thread _t;
bool _running;
RouteList _routes_ipv4;
RouteList _routes_ipv6;
uint32_t _seq;
struct iface_entry {
int index;
char ifacename[IFNAMSIZ];
char mac[18];
unsigned int mtu;
};
Hashtable<int, iface_entry> _interfaces;
// socket communication vars;
int _fd;
struct sockaddr_nl _la;