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Adam Ierymenko 2025-07-03 11:26:23 -04:00
parent d45f280cb7
commit ba2a4a605c
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140 changed files with 19214 additions and 17403 deletions
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103
osdep/LinuxNetLink.hpp
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@ -18,68 +18,77 @@
#ifdef __LINUX__
#include <vector>
#include <map>
#include <set>
#include <sys/socket.h>
#include <asm/types.h>
#include <linux/rtnetlink.h>
#include <map>
#include <set>
#include <sys/socket.h>
//#include <linux/if.h>
#include <vector>
// #include <linux/if.h>
#include "../node/Hashtable.hpp"
#include "../node/InetAddress.hpp"
#include "../node/MAC.hpp"
#include "Thread.hpp"
#include "../node/Hashtable.hpp"
#include "../node/Mutex.hpp"
#include "Thread.hpp"
namespace ZeroTier {
/**
* Interface with Linux's RTNETLINK
*/
class LinuxNetLink
{
private:
class LinuxNetLink {
private:
LinuxNetLink();
~LinuxNetLink();
public:
public:
struct Route {
InetAddress target;
InetAddress via;
InetAddress src;
int ifidx;
inline bool operator==(const Route &r) const
{ return ((target == r.target)&&(via == r.via)&&(src == r.src)&&(ifidx == r.ifidx)); }
inline bool operator!=(const Route &r) const
{ return (!(*this == r)); }
inline bool operator<(const Route &r) const
inline bool operator==(const Route& r) const
{
return ((target == r.target) && (via == r.via) && (src == r.src) && (ifidx == r.ifidx));
}
inline bool operator!=(const Route& r) const
{
return (! (*this == r));
}
inline bool operator<(const Route& r) const
{
if (target < r.target) {
return true;
} else if (target == r.target) {
}
else if (target == r.target) {
if (via < r.via) {
return true;
} else if (via == r.via) {
}
else if (via == r.via) {
if (src < r.src) {
return true;
} else if (src == r.src) {
}
else if (src == r.src) {
return (ifidx < r.ifidx);
}
}
}
return false;
}
inline bool operator>(const Route &r) const
{ return (r < *this); }
inline bool operator<=(const Route &r) const
{ return !(r < *this); }
inline bool operator>=(const Route &r) const
{ return !(*this < r); }
inline bool operator>(const Route& r) const
{
return (r < *this);
}
inline bool operator<=(const Route& r) const
{
return ! (r < *this);
}
inline bool operator>=(const Route& r) const
{
return ! (*this < r);
}
};
static LinuxNetLink& getInstance()
@ -91,32 +100,32 @@ public:
LinuxNetLink(LinuxNetLink const&) = delete;
void operator=(LinuxNetLink const&) = delete;
void addRoute(const InetAddress &target, const InetAddress &via, const InetAddress &src, const char *ifaceName);
void delRoute(const InetAddress &target, const InetAddress &via, const InetAddress &src, const char *ifaceName);
void addRoute(const InetAddress& target, const InetAddress& via, const InetAddress& src, const char* ifaceName);
void delRoute(const InetAddress& target, const InetAddress& via, const InetAddress& src, const char* ifaceName);
void addAddress(const InetAddress &addr, const char *iface);
void removeAddress(const InetAddress &addr, const char *iface);
void addAddress(const InetAddress& addr, const char* iface);
void removeAddress(const InetAddress& addr, const char* iface);
bool routeIsSet(const InetAddress &target, const InetAddress &via, const InetAddress &src, const char *ifname);
bool routeIsSet(const InetAddress& target, const InetAddress& via, const InetAddress& src, const char* ifname);
void threadMain() throw();
private:
private:
int _doRecv(int fd);
void _processMessage(struct nlmsghdr *nlp, int nll);
void _routeAdded(struct nlmsghdr *nlp);
void _routeDeleted(struct nlmsghdr *nlp);
void _linkAdded(struct nlmsghdr *nlp);
void _linkDeleted(struct nlmsghdr *nlp);
void _ipAddressAdded(struct nlmsghdr *nlp);
void _ipAddressDeleted(struct nlmsghdr *nlp);
void _processMessage(struct nlmsghdr* nlp, int nll);
void _routeAdded(struct nlmsghdr* nlp);
void _routeDeleted(struct nlmsghdr* nlp);
void _linkAdded(struct nlmsghdr* nlp);
void _linkDeleted(struct nlmsghdr* nlp);
void _ipAddressAdded(struct nlmsghdr* nlp);
void _ipAddressDeleted(struct nlmsghdr* nlp);
void _requestInterfaceList();
void _requestIPv4Routes();
void _requestIPv6Routes();
int _indexForInterface(const char *iface);
int _indexForInterface(const char* iface);
void _setSocketTimeout(int fd, int seconds = 1);
@ -125,14 +134,16 @@ private:
uint32_t _seq;
std::map< InetAddress,std::set<LinuxNetLink::Route> > _routes;
std::map<InetAddress, std::set<LinuxNetLink::Route> > _routes;
Mutex _routes_m;
struct iface_entry {
iface_entry()
{ memset(this,0,sizeof(iface_entry)); }
{
memset(this, 0, sizeof(iface_entry));
}
int index;
char ifacename[16]; // IFNAMSIZ on Linux == 16
char ifacename[16]; // IFNAMSIZ on Linux == 16
char mac[18];
char mac_bin[6];
unsigned int mtu;
@ -145,8 +156,8 @@ private:
struct sockaddr_nl _la;
};
}
} // namespace ZeroTier
#endif
#endif // ZT_LINUX_NETLINK_HPPS
#endif // ZT_LINUX_NETLINK_HPPS