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-rw-r--r--attic/rtbl/LinuxRoutingTable.cpp235
1 files changed, 0 insertions, 235 deletions
diff --git a/attic/rtbl/LinuxRoutingTable.cpp b/attic/rtbl/LinuxRoutingTable.cpp
deleted file mode 100644
index 581054e2..00000000
--- a/attic/rtbl/LinuxRoutingTable.cpp
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2015 ZeroTier, Inc.
- *
- * 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 3 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * --
- *
- * ZeroTier may be used and distributed under the terms of the GPLv3, which
- * are available at: http://www.gnu.org/licenses/gpl-3.0.html
- *
- * If you would like to embed ZeroTier into a commercial application or
- * redistribute it in a modified binary form, please contact ZeroTier Networks
- * LLC. Start here: http://www.zerotier.com/
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <ifaddrs.h>
-
-#include <algorithm>
-#include <utility>
-
-#include "../node/Constants.hpp"
-#include "../node/Utils.hpp"
-#include "LinuxRoutingTable.hpp"
-
-#define ZT_LINUX_IP_COMMAND "/sbin/ip"
-
-namespace ZeroTier {
-
-LinuxRoutingTable::LinuxRoutingTable()
-{
-}
-
-LinuxRoutingTable::~LinuxRoutingTable()
-{
-}
-
-std::vector<RoutingTable::Entry> LinuxRoutingTable::get(bool includeLinkLocal,bool includeLoopback) const
-{
- char buf[131072];
- char *stmp,*stmp2;
- std::vector<RoutingTable::Entry> entries;
-
- {
- int fd = ::open("/proc/net/route",O_RDONLY);
- if (fd <= 0)
- buf[0] = (char)0;
- else {
- int n = (int)::read(fd,buf,sizeof(buf) - 1);
- ::close(fd);
- if (n < 0) n = 0;
- buf[n] = (char)0;
- }
- }
-
- int lineno = 0;
- for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
- if (lineno == 0) {
- ++lineno;
- continue; // skip header
- }
-
- char *iface = (char *)0;
- uint32_t destination = 0;
- uint32_t gateway = 0;
- int metric = 0;
- uint32_t mask = 0;
-
- int fno = 0;
- for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
- switch(fno) {
- case 0: iface = f; break;
- case 1: destination = (uint32_t)Utils::hexStrToULong(f); break;
- case 2: gateway = (uint32_t)Utils::hexStrToULong(f); break;
- case 6: metric = (int)Utils::strToInt(f); break;
- case 7: mask = (uint32_t)Utils::hexStrToULong(f); break;
- }
- ++fno;
- }
-
- if ((iface)&&(destination)) {
- RoutingTable::Entry e;
- if (destination)
- e.destination.set(&destination,4,Utils::countBits(mask));
- e.gateway.set(&gateway,4,0);
- e.deviceIndex = 0; // not used on Linux
- e.metric = metric;
- Utils::scopy(e.device,sizeof(e.device),iface);
- if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(iface,"lo")))))
- entries.push_back(e);
- }
-
- ++lineno;
- }
-
- {
- int fd = ::open("/proc/net/ipv6_route",O_RDONLY);
- if (fd <= 0)
- buf[0] = (char)0;
- else {
- int n = (int)::read(fd,buf,sizeof(buf) - 1);
- ::close(fd);
- if (n < 0) n = 0;
- buf[n] = (char)0;
- }
- }
-
- for(char *line=Utils::stok(buf,"\r\n",&stmp);(line);line=Utils::stok((char *)0,"\r\n",&stmp)) {
- char *destination = (char *)0;
- unsigned int destPrefixLen = 0;
- char *gateway = (char *)0; // next hop in ipv6 terminology
- int metric = 0;
- char *device = (char *)0;
-
- int fno = 0;
- for(char *f=Utils::stok(line,"\t \r\n",&stmp2);(f);f=Utils::stok((char *)0,"\t \r\n",&stmp2)) {
- switch(fno) {
- case 0: destination = f; break;
- case 1: destPrefixLen = (unsigned int)Utils::hexStrToULong(f); break;
- case 4: gateway = f; break;
- case 5: metric = (int)Utils::hexStrToLong(f); break;
- case 9: device = f; break;
- }
- ++fno;
- }
-
- if ((device)&&(destination)) {
- unsigned char tmp[16];
- RoutingTable::Entry e;
- Utils::unhex(destination,tmp,16);
- if ((!Utils::isZero(tmp,16))&&(tmp[0] != 0xff))
- e.destination.set(tmp,16,destPrefixLen);
- Utils::unhex(gateway,tmp,16);
- e.gateway.set(tmp,16,0);
- e.deviceIndex = 0; // not used on Linux
- e.metric = metric;
- Utils::scopy(e.device,sizeof(e.device),device);
- if ((e.destination)&&((includeLinkLocal)||(!e.destination.isLinkLocal()))&&((includeLoopback)||((!e.destination.isLoopback())&&(!e.gateway.isLoopback())&&(strcmp(device,"lo")))))
- entries.push_back(e);
- }
- }
-
- std::sort(entries.begin(),entries.end());
- return entries;
-}
-
-RoutingTable::Entry LinuxRoutingTable::set(const InetAddress &destination,const InetAddress &gateway,const char *device,int metric)
-{
- char metstr[128];
-
- if ((!gateway)&&((!device)||(!device[0])))
- return RoutingTable::Entry();
-
- Utils::snprintf(metstr,sizeof(metstr),"%d",metric);
-
- if (metric < 0) {
- long pid = (long)vfork();
- if (pid == 0) {
- if (gateway) {
- if ((device)&&(device[0])) {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"via",gateway.toIpString().c_str(),(const char *)0);
- }
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","del",destination.toString().c_str(),"dev",device,(const char *)0);
- }
- ::_exit(-1);
- } else if (pid > 0) {
- int exitcode = -1;
- ::waitpid(pid,&exitcode,0);
- }
- } else {
- long pid = (long)vfork();
- if (pid == 0) {
- if (gateway) {
- if ((device)&&(device[0])) {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),"dev",device,(const char *)0);
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"via",gateway.toIpString().c_str(),(const char *)0);
- }
- } else {
- ::execl(ZT_LINUX_IP_COMMAND,ZT_LINUX_IP_COMMAND,"route","replace",destination.toString().c_str(),"metric",metstr,"dev",device,(const char *)0);
- }
- ::_exit(-1);
- } else if (pid > 0) {
- int exitcode = -1;
- ::waitpid(pid,&exitcode,0);
- }
- }
-
- std::vector<RoutingTable::Entry> rtab(get(true,true));
- std::vector<RoutingTable::Entry>::iterator bestEntry(rtab.end());
- for(std::vector<RoutingTable::Entry>::iterator e(rtab.begin());e!=rtab.end();++e) {
- if ((e->destination == destination)&&(e->gateway.ipsEqual(gateway))) {
- if ((device)&&(device[0])) {
- if (!strcmp(device,e->device)) {
- if (metric == e->metric)
- bestEntry = e;
- }
- }
- if (bestEntry == rtab.end())
- bestEntry = e;
- }
- }
- if (bestEntry != rtab.end())
- return *bestEntry;
-
- return RoutingTable::Entry();
-}
-
-} // namespace ZeroTier
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