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/*
* Copyright (c)2020 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <errno.h>
#include "node/Constants.hpp"
#ifdef __WINDOWS__
#include <winsock2.h>
#include <windows.h>
#include <tchar.h>
#include <wchar.h>
#include <lmcons.h>
#include <newdev.h>
#include <atlbase.h>
#include <iphlpapi.h>
#include <iomanip>
#include <shlobj.h>
#include "osdep/WindowsEthernetTap.hpp"
#include "windows/ZeroTierOne/ServiceInstaller.h"
#include "windows/ZeroTierOne/ServiceBase.h"
#include "windows/ZeroTierOne/ZeroTierOneService.h"
#else
#include <unistd.h>
#include <pwd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <dirent.h>
#include <signal.h>
#ifdef __LINUX__
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <net/if.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <ifaddrs.h>
#include <sys/ioctl.h>
#ifndef ZT_NO_CAPABILITIES
#include <linux/capability.h>
#include <linux/securebits.h>
#endif
#endif
#endif
#include <string>
#include <stdexcept>
#include <iostream>
#include <sstream>
#include <algorithm>
#include "version.h"
#include "include/ZeroTierOne.h"
#include "node/Identity.hpp"
#include "node/CertificateOfMembership.hpp"
#include "node/Utils.hpp"
#include "node/NetworkController.hpp"
#include "node/Buffer.hpp"
#include "node/World.hpp"
#include "osdep/OSUtils.hpp"
#include "osdep/Http.hpp"
#include "osdep/Thread.hpp"
#include "node/Bond.hpp"
#include "service/OneService.hpp"
#include <nlohmann/json.hpp>
#ifdef __APPLE__
#include <SystemConfiguration/SystemConfiguration.h>
#include <CoreServices/CoreServices.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <ifaddrs.h>
#endif
#define ZT_PID_PATH "zerotier-one.pid"
using namespace ZeroTier;
static OneService *volatile zt1Service = (OneService *)0;
#define PROGRAM_NAME "ZeroTier One"
#define COPYRIGHT_NOTICE "Copyright (c) 2020 ZeroTier, Inc."
#define LICENSE_GRANT "Licensed under the ZeroTier BSL 1.1 (see LICENSE.txt)"
/****************************************************************************/
/* zerotier-cli personality */
/****************************************************************************/
// This is getting deprecated soon in favor of the stuff in cli/
static void cliPrintHelp(const char *pn,FILE *out)
{
fprintf(out,
"%s version %d.%d.%d build %d (platform %d arch %d)" ZT_EOL_S,
PROGRAM_NAME,
ZEROTIER_ONE_VERSION_MAJOR, ZEROTIER_ONE_VERSION_MINOR, ZEROTIER_ONE_VERSION_REVISION, ZEROTIER_ONE_VERSION_BUILD,
ZT_BUILD_PLATFORM, ZT_BUILD_ARCHITECTURE);
fprintf(out,
COPYRIGHT_NOTICE ZT_EOL_S
LICENSE_GRANT ZT_EOL_S);
fprintf(out,"Usage: %s [-switches] <command/path> [<args>]" ZT_EOL_S"" ZT_EOL_S,pn);
fprintf(out,"Available switches:" ZT_EOL_S);
fprintf(out," -h - Display this help" ZT_EOL_S);
fprintf(out," -v - Show version" ZT_EOL_S);
fprintf(out," -j - Display full raw JSON output" ZT_EOL_S);
fprintf(out," -D<path> - ZeroTier home path for parameter auto-detect" ZT_EOL_S);
fprintf(out," -p<port> - HTTP port (default: auto)" ZT_EOL_S);
fprintf(out," -T<token> - Authentication token (default: auto)" ZT_EOL_S);
fprintf(out,ZT_EOL_S"Available commands:" ZT_EOL_S);
fprintf(out," info - Display status info" ZT_EOL_S);
fprintf(out," listpeers - List all peers" ZT_EOL_S);
fprintf(out," peers - List all peers (prettier)" ZT_EOL_S);
fprintf(out," listnetworks - List all networks" ZT_EOL_S);
fprintf(out," join <network ID> - Join a network" ZT_EOL_S);
fprintf(out," leave <network ID> - Leave a network" ZT_EOL_S);
fprintf(out," set <network ID> <setting> - Set a network setting" ZT_EOL_S);
fprintf(out," get <network ID> <setting> - Get a network setting" ZT_EOL_S);
fprintf(out," listmoons - List moons (federated root sets)" ZT_EOL_S);
fprintf(out," orbit <world ID> <seed> - Join a moon via any member root" ZT_EOL_S);
fprintf(out," deorbit <world ID> - Leave a moon" ZT_EOL_S);
fprintf(out," dump - Debug settings dump for support" ZT_EOL_S);
fprintf(out,ZT_EOL_S"Available settings:" ZT_EOL_S);
fprintf(out," Settings to use with [get/set] may include property names from " ZT_EOL_S);
fprintf(out," the JSON output of \"zerotier-cli -j listnetworks\". Additionally, " ZT_EOL_S);
fprintf(out," (ip, ip4, ip6, ip6plane, and ip6prefix can be used). For instance:" ZT_EOL_S);
fprintf(out," zerotier-cli get <network ID> ip6plane will return the 6PLANE address" ZT_EOL_S);
fprintf(out," assigned to this node." ZT_EOL_S);
}
static std::string cliFixJsonCRs(const std::string &s)
{
std::string r;
for(std::string::const_iterator c(s.begin());c!=s.end();++c) {
if (*c == '\n')
r.append(ZT_EOL_S);
else r.push_back(*c);
}
return r;
}
#ifdef __WINDOWS__
static int cli(int argc, _TCHAR* argv[])
#else
static int cli(int argc,char **argv)
#endif
{
unsigned int port = 0;
std::string homeDir,command,arg1,arg2,arg3,arg4,authToken;
std::string ip("127.0.0.1");
bool json = false;
for(int i=1;i<argc;++i) {
if (argv[i][0] == '-') {
switch(argv[i][1]) {
case 'q': // ignore -q used to invoke this personality
if (argv[i][2]) {
cliPrintHelp(argv[0],stdout);
return 1;
}
break;
case 'j':
if (argv[i][2]) {
cliPrintHelp(argv[0],stdout);
return 1;
}
json = true;
break;
case 'p':
port = Utils::strToUInt(argv[i] + 2);
if ((port > 0xffff)||(port == 0)) {
cliPrintHelp(argv[0],stdout);
return 1;
}
break;
case 'D':
if (argv[i][2]) {
homeDir = argv[i] + 2;
} else {
cliPrintHelp(argv[0],stdout);
return 1;
}
break;
case 'H':
if (argv[i][2]) {
ip = argv[i] + 2;
} else {
cliPrintHelp(argv[0],stdout);
return 1;
}
break;
case 'T':
if (argv[i][2]) {
authToken = argv[i] + 2;
} else {
cliPrintHelp(argv[0],stdout);
return 1;
}
break;
case 'v':
if (argv[i][2]) {
cliPrintHelp(argv[0],stdout);
return 1;
}
printf("%d.%d.%d" ZT_EOL_S,ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION);
return 0;
case 'h':
case '?':
default:
cliPrintHelp(argv[0],stdout);
return 0;
}
} else {
if (arg1.length())
arg2 = argv[i];
else if (command.length())
arg1 = argv[i];
else command = argv[i];
}
}
if (!homeDir.length())
homeDir = OneService::platformDefaultHomePath();
// TODO: cleanup this logic
if ((!port)||(!authToken.length())) {
if (!homeDir.length()) {
fprintf(stderr,"%s: missing port or authentication token and no home directory specified to auto-detect" ZT_EOL_S,argv[0]);
return 2;
}
if (!port) {
std::string portStr;
OSUtils::readFile((homeDir + ZT_PATH_SEPARATOR_S + "zerotier-one.port").c_str(),portStr);
port = Utils::strToUInt(portStr.c_str());
if ((port == 0)||(port > 0xffff)) {
fprintf(stderr,"%s: missing port and zerotier-one.port not found in %s" ZT_EOL_S,argv[0],homeDir.c_str());
return 2;
}
}
if (!authToken.length()) {
OSUtils::readFile((homeDir + ZT_PATH_SEPARATOR_S + "authtoken.secret").c_str(),authToken);
#ifdef __UNIX_LIKE__
if (!authToken.length()) {
const char *hd = getenv("HOME");
if (hd) {
char p[4096];
#ifdef __APPLE__
OSUtils::ztsnprintf(p,sizeof(p),"%s/Library/Application Support/ZeroTier/One/authtoken.secret",hd);
#else
OSUtils::ztsnprintf(p,sizeof(p),"%s/.zeroTierOneAuthToken",hd);
#endif
OSUtils::readFile(p,authToken);
}
}
#endif
if (!authToken.length()) {
fprintf(stderr,"%s: authtoken.secret not found or readable in %s (try again as root)" ZT_EOL_S,argv[0],homeDir.c_str());
return 2;
}
}
}
InetAddress addr;
{
char addrtmp[256];
OSUtils::ztsnprintf(addrtmp,sizeof(addrtmp),"%s/%u",ip.c_str(),port);
addr = InetAddress(addrtmp);
}
std::map<std::string,std::string> requestHeaders;
std::map<std::string,std::string> responseHeaders;
std::string responseBody;
requestHeaders["X-ZT1-Auth"] = authToken;
if ((command.length() > 0)&&(command[0] == '/')) {
unsigned int scode = Http::GET(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
command.c_str(),
requestHeaders,
responseHeaders,
responseBody);
if (scode == 200) {
printf("%s", cliFixJsonCRs(responseBody).c_str());
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if ((command == "info")||(command == "status")) {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/status",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
if (j.is_object()) {
printf("200 info %s %s %s" ZT_EOL_S,
OSUtils::jsonString(j["address"],"-").c_str(),
OSUtils::jsonString(j["version"],"-").c_str(),
((j["tcpFallbackActive"]) ? "TUNNELED" : ((j["online"]) ? "ONLINE" : "OFFLINE")));
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "listpeers") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/peer",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
printf("200 listpeers <ztaddr> <path> <latency> <version> <role>" ZT_EOL_S);
if (j.is_array()) {
for(unsigned long k=0;k<j.size();++k) {
nlohmann::json &p = j[k];
std::string bestPath;
nlohmann::json &paths = p["paths"];
if (paths.is_array()) {
for(unsigned long i=0;i<paths.size();++i) {
nlohmann::json &path = paths[i];
if (path["preferred"]) {
char tmp[256];
std::string addr = path["address"];
const int64_t now = OSUtils::now();
int64_t lastSendDiff = (uint64_t)path["lastSend"] ? now - (uint64_t)path["lastSend"] : -1;
int64_t lastReceiveDiff = (uint64_t)path["lastReceive"] ? now - (uint64_t)path["lastReceive"] : -1;
OSUtils::ztsnprintf(tmp,sizeof(tmp),"%s;%lld;%lld",addr.c_str(),lastSendDiff,lastReceiveDiff);
bestPath = tmp;
break;
}
}
}
if (bestPath.length() == 0) bestPath = "-";
char ver[128];
int64_t vmaj = p["versionMajor"];
int64_t vmin = p["versionMinor"];
int64_t vrev = p["versionRev"];
if (vmaj >= 0) {
OSUtils::ztsnprintf(ver,sizeof(ver),"%lld.%lld.%lld",vmaj,vmin,vrev);
} else {
ver[0] = '-';
ver[1] = (char)0;
}
printf("200 listpeers %s %s %d %s %s" ZT_EOL_S,
OSUtils::jsonString(p["address"],"-").c_str(),
bestPath.c_str(),
(int)OSUtils::jsonInt(p["latency"],0),
ver,
OSUtils::jsonString(p["role"],"-").c_str());
}
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "peers") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/peer",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
bool anyTunneled = false;
printf("200 peers\n<ztaddr> <ver> <role> <lat> <link> <lastTX> <lastRX> <path>" ZT_EOL_S);
if (j.is_array()) {
for(unsigned long k=0;k<j.size();++k) {
nlohmann::json &p = j[k];
std::string bestPath;
nlohmann::json &paths = p["paths"];
if (p["tunneled"]) {
anyTunneled = true;
}
if (paths.is_array()) {
for(unsigned long i=0;i<paths.size();++i) {
nlohmann::json &path = paths[i];
if (path["preferred"]) {
char tmp[256];
std::string addr = path["address"];
const int64_t now = OSUtils::now();
int64_t lastSendDiff = (uint64_t)path["lastSend"] ? now - (uint64_t)path["lastSend"] : -1;
int64_t lastReceiveDiff = (uint64_t)path["lastReceive"] ? now - (uint64_t)path["lastReceive"] : -1;
OSUtils::ztsnprintf(tmp,sizeof(tmp),"%-8lld %-8lld %s",lastSendDiff,lastReceiveDiff,addr.c_str());
if (p["tunneled"]) {
bestPath = std::string("RELAY ") + tmp;
}
else {
bestPath = std::string("DIRECT ") + tmp;
}
break;
}
}
}
if (bestPath.length() == 0) {
bestPath = "RELAY";
}
char ver[128];
int64_t vmaj = p["versionMajor"];
int64_t vmin = p["versionMinor"];
int64_t vrev = p["versionRev"];
if (vmaj >= 0) {
OSUtils::ztsnprintf(ver,sizeof(ver),"%lld.%lld.%lld",vmaj,vmin,vrev);
} else {
ver[0] = '-';
ver[1] = (char)0;
}
printf("%s %-6s %-6s %5d %s" ZT_EOL_S,
OSUtils::jsonString(p["address"],"-").c_str(),
ver,
OSUtils::jsonString(p["role"],"-").c_str(),
(int)OSUtils::jsonInt(p["latency"],0),
bestPath.c_str());
}
}
if (anyTunneled) {
printf("NOTE: Currently tunneling through a TCP relay. Ensure that UDP is not blocked.\n");
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "bond") {
/* zerotier-cli bond <cmd> */
if (arg1.empty()) {
printf("(bond) command is missing required arguments" ZT_EOL_S);
return 2;
}
/* zerotier-cli bond list */
if (arg1 == "list") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/peer",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
bool bFoundBond = false;
printf(" <peer> <bondtype> <links>" ZT_EOL_S);
if (j.is_array()) {
for(unsigned long k=0;k<j.size();++k) {
nlohmann::json &p = j[k];
bool isBonded = p["isBonded"];
if (isBonded) {
int8_t bondingPolicyCode = p["bondingPolicyCode"];
int8_t numAliveLinks = p["numAliveLinks"];
int8_t numTotalLinks = p["numTotalLinks"];
bFoundBond = true;
std::string policyStr = "none";
if (bondingPolicyCode >= ZT_BOND_POLICY_NONE && bondingPolicyCode <= ZT_BOND_POLICY_BALANCE_AWARE) {
policyStr = Bond::getPolicyStrByCode(bondingPolicyCode);
}
printf("%10s %32s %d/%d" ZT_EOL_S,
OSUtils::jsonString(p ["address"],"-").c_str(),
policyStr.c_str(),
numAliveLinks,
numTotalLinks);
}
}
}
if (!bFoundBond) {
printf(" NONE\t\t\t\tNONE\t NONE NONE" ZT_EOL_S);
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
}
else if (arg1 == "setmtu") { /* zerotier-cli bond setmtu <mtu> <iface> <ip> */
requestHeaders["Content-Type"] = "application/json";
requestHeaders["Content-Length"] = "2";
if (argc == 8) {
arg2 = argv[5];
arg3 = argv[6];
arg4 = argv[7];
}
unsigned int scode = Http::POST(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/bond/") + arg1 + "/" + arg2 + "/" + arg3 + "/" + arg4).c_str(),
requestHeaders,
"{}",
2,
responseHeaders,
responseBody);
if (scode == 200) {
printf("200 setmtu OK" ZT_EOL_S);
return 0;
} else {
printf("%d Failed to set MTU: %s" ZT_EOL_S, scode, responseBody.c_str());
return 1;
}
return 0;
}
else if (arg1.length() == 10) {
if (arg2 == "rotate") { /* zerotier-cli bond <peerId> rotate */
requestHeaders["Content-Type"] = "application/json";
requestHeaders["Content-Length"] = "2";
unsigned int scode = Http::POST(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/bond/") + arg2 + "/" + arg1).c_str(),
requestHeaders,
"{}",
2,
responseHeaders,
responseBody);
if (scode == 200) {
if (json) {
printf("%s",cliFixJsonCRs(responseBody).c_str());
} else {
printf("200 rotate OK" ZT_EOL_S);
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
return 0;
}
if (arg2 == "show") {
//fprintf(stderr, "zerotier-cli bond <peerId> show\n");
const unsigned int scode = Http::GET(
1024 * 1024 * 16,60000,
(const struct sockaddr *)&addr,(std::string("/bond/") + arg2 + "/" + arg1).c_str(),
requestHeaders,
responseHeaders,
responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
int numAliveLinks = OSUtils::jsonInt(j["numAliveLinks"],0);
int numTotalLinks = OSUtils::jsonInt(j["numTotalLinks"],0);
printf("Peer : %s\n", arg1.c_str());
printf("Bond : %s\n", OSUtils::jsonString(j["bondingPolicyStr"],"-").c_str());
printf("Link Select Method : %d\n", (int)OSUtils::jsonInt(j["linkSelectMethod"],0));
printf("Links : %d/%d\n", numAliveLinks, numTotalLinks);
printf("Failover Interval (ms) : %d\n", (int)OSUtils::jsonInt(j["failoverInterval"],0));
printf("Up Delay (ms) : %d\n", (int)OSUtils::jsonInt(j["upDelay"],0));
printf("Down Delay (ms) : %d\n", (int)OSUtils::jsonInt(j["downDelay"],0));
printf("Packets Per Link : %d\n", (int)OSUtils::jsonInt(j["packetsPerLink"],0));
nlohmann::json &p = j["paths"];
if (p.is_array()) {
printf("\nidx"
" interface"
" "
"path socket local port\n");
for(int i=0; i<120; i++) { printf("-"); }
printf("\n");
for (int i=0; i<p.size(); i++)
{
printf("%2d: %26s %51s %.16llx %12d\n",
i,
OSUtils::jsonString(p[i]["ifname"],"-").c_str(),
OSUtils::jsonString(p[i]["address"],"-").c_str(),
(unsigned long long)OSUtils::jsonInt(p[i]["localSocket"],0),
(uint16_t)OSUtils::jsonInt(p[i]["localPort"],0)
);
}
printf("\nidx lat pdv "
"capacity qual "
"rx_age tx_age eligible bonded flows\n");
for(int i=0; i<120; i++) { printf("-"); }
printf("\n");
for (int i=0; i<p.size(); i++)
{
printf("%2d: %8.2f %8.2f %10d %7.4f %11d %11d %9d %7d %7d\n",
i,
OSUtils::jsonDouble(p[i]["latencyMean"], 0),
OSUtils::jsonDouble(p[i]["latencyVariance"], 0),
(int)OSUtils::jsonInt(p[i]["givenLinkSpeed"], 0),
OSUtils::jsonDouble(p[i]["relativeQuality"], 0),
(int)OSUtils::jsonInt(p[i]["lastInAge"], 0),
(int)OSUtils::jsonInt(p[i]["lastOutAge"], 0),
(int)OSUtils::jsonInt(p[i]["eligible"],0),
(int)OSUtils::jsonInt(p[i]["bonded"],0),
(int)OSUtils::jsonInt(p[i]["assignedFlowCount"],0));
}
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
return 2;
}
}
/* zerotier-cli bond command was malformed in some way */
printf("(bond) command is missing required arguments" ZT_EOL_S);
return 2;
} else if (command == "listbonds") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/peer",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
bool bFoundBond = false;
printf(" <peer> <bondtype> <links>" ZT_EOL_S);
if (j.is_array()) {
for(unsigned long k=0;k<j.size();++k) {
nlohmann::json &p = j[k];
bool isBonded = p["isBonded"];
if (isBonded) {
int8_t bondingPolicyCode = p["bondingPolicyCode"];
int8_t numAliveLinks = p["numAliveLinks"];
int8_t numTotalLinks = p["numTotalLinks"];
bFoundBond = true;
std::string policyStr = "none";
if (bondingPolicyCode >= ZT_BOND_POLICY_NONE && bondingPolicyCode <= ZT_BOND_POLICY_BALANCE_AWARE) {
policyStr = Bond::getPolicyStrByCode(bondingPolicyCode);
}
printf("%10s %32s %d/%d" ZT_EOL_S,
OSUtils::jsonString(p["address"],"-").c_str(),
policyStr.c_str(),
numAliveLinks,
numTotalLinks);
}
}
}
if (!bFoundBond) {
printf(" NONE\t\t\t\tNONE\t NONE NONE" ZT_EOL_S);
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "listnetworks") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/network",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
if (json) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
} else {
printf("200 listnetworks <nwid> <name> <mac> <status> <type> <dev> <ZT assigned ips>" ZT_EOL_S);
if (j.is_array()) {
for(unsigned long i=0;i<j.size();++i) {
nlohmann::json &n = j[i];
if (n.is_object()) {
std::string aa;
nlohmann::json &assignedAddresses = n["assignedAddresses"];
if (assignedAddresses.is_array()) {
for(unsigned long j=0;j<assignedAddresses.size();++j) {
nlohmann::json &addr = assignedAddresses[j];
if (addr.is_string()) {
if (aa.length() > 0) aa.push_back(',');
aa.append(addr.get<std::string>());
}
}
}
if (aa.length() == 0) aa = "-";
const std::string status = OSUtils::jsonString(n["status"],"-");
printf("200 listnetworks %s %s %s %s %s %s %s" ZT_EOL_S,
OSUtils::jsonString(n["nwid"],"-").c_str(),
OSUtils::jsonString(n["name"],"-").c_str(),
OSUtils::jsonString(n["mac"],"-").c_str(),
status.c_str(),
OSUtils::jsonString(n["type"],"-").c_str(),
OSUtils::jsonString(n["portDeviceName"],"-").c_str(),
aa.c_str());
if (OSUtils::jsonBool(n["ssoEnabled"], false)) {
uint64_t authenticationExpiryTime = n["authenticationExpiryTime"];
if (status == "AUTHENTICATION_REQUIRED") {
printf(" AUTH EXPIRED, URL: %s" ZT_EOL_S, OSUtils::jsonString(n["authenticationURL"], "(null)").c_str());
} else if (status == "OK") {
int64_t expiresIn = ((int64_t)authenticationExpiryTime - OSUtils::now()) / 1000LL;
if (expiresIn >= 0) {
printf(" AUTH OK, expires in: %lld seconds" ZT_EOL_S, expiresIn);
}
}
}
}
}
}
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "join") {
if (arg1.length() != 16) {
printf("invalid network id" ZT_EOL_S);
return 2;
}
requestHeaders["Content-Type"] = "application/json";
requestHeaders["Content-Length"] = "2";
unsigned int scode = Http::POST(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/network/") + arg1).c_str(),
requestHeaders,
"{}",
2,
responseHeaders,
responseBody);
if (scode == 200) {
if (json) {
printf("%s",cliFixJsonCRs(responseBody).c_str());
} else {
printf("200 join OK" ZT_EOL_S);
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "leave") {
if (arg1.length() != 16) {
printf("invalid network id" ZT_EOL_S);
return 2;
}
unsigned int scode = Http::DEL(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/network/") + arg1).c_str(),
requestHeaders,
responseHeaders,
responseBody);
if (scode == 200) {
if (json) {
printf("%s",cliFixJsonCRs(responseBody).c_str());
} else {
printf("200 leave OK" ZT_EOL_S);
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "listmoons") {
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/moon",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
if (scode == 200) {
printf("%s" ZT_EOL_S,OSUtils::jsonDump(j).c_str());
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "orbit") {
const uint64_t worldId = Utils::hexStrToU64(arg1.c_str());
const uint64_t seed = Utils::hexStrToU64(arg2.c_str());
if ((worldId)&&(seed)) {
char jsons[1024];
OSUtils::ztsnprintf(jsons,sizeof(jsons),"{\"seed\":\"%s\"}",arg2.c_str());
char cl[128];
OSUtils::ztsnprintf(cl,sizeof(cl),"%u",(unsigned int)strlen(jsons));
requestHeaders["Content-Type"] = "application/json";
requestHeaders["Content-Length"] = cl;
unsigned int scode = Http::POST(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/moon/") + arg1).c_str(),
requestHeaders,
jsons,
(unsigned long)strlen(jsons),
responseHeaders,
responseBody);
if (scode == 200) {
printf("200 orbit OK" ZT_EOL_S);
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
}
} else if (command == "deorbit") {
unsigned int scode = Http::DEL(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/moon/") + arg1).c_str(),
requestHeaders,
responseHeaders,
responseBody);
if (scode == 200) {
if (json) {
printf("%s",cliFixJsonCRs(responseBody).c_str());
} else {
printf("200 deorbit OK" ZT_EOL_S);
}
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "set") {
if (arg1.length() != 16) {
fprintf(stderr,"invalid format: must be a 16-digit (network) ID\n");
return 2;
}
if (!arg2.length()) {
fprintf(stderr,"invalid format: include a property name to set\n");
return 2;
}
std::size_t eqidx = arg2.find('=');
if (eqidx != std::string::npos) {
if ((arg2.substr(0,eqidx) == "allowManaged")||(arg2.substr(0,eqidx) == "allowGlobal")||(arg2.substr(0,eqidx) == "allowDefault")||(arg2.substr(0,eqidx) == "allowDNS")) {
char jsons[1024];
OSUtils::ztsnprintf(jsons,sizeof(jsons),"{\"%s\":%s}",
arg2.substr(0,eqidx).c_str(),
(((arg2.substr(eqidx,2) == "=t")||(arg2.substr(eqidx,2) == "=1")) ? "true" : "false"));
char cl[128];
OSUtils::ztsnprintf(cl,sizeof(cl),"%u",(unsigned int)strlen(jsons));
requestHeaders["Content-Type"] = "application/json";
requestHeaders["Content-Length"] = cl;
unsigned int scode = Http::POST(
1024 * 1024 * 16,
60000,
(const struct sockaddr *)&addr,
(std::string("/network/") + arg1).c_str(),
requestHeaders,
jsons,
(unsigned long)strlen(jsons),
responseHeaders,
responseBody);
if (scode == 200) {
printf("%s",cliFixJsonCRs(responseBody).c_str());
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
}
} else {
cliPrintHelp(argv[0],stderr);
return 2;
}
} else if (command == "get") {
if (arg1.length() != 16) {
fprintf(stderr,"invalid format: must be a 16-digit (network) ID\n");
return 2;
}
if (!arg2.length()) {
fprintf(stderr,"invalid format: include a property name to get\n");
return 2;
}
const unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/network",requestHeaders,responseHeaders,responseBody);
if (scode == 0) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
nlohmann::json j;
try {
j = OSUtils::jsonParse(responseBody);
} catch (std::exception &exc) {
printf("%u %s invalid JSON response (%s)" ZT_EOL_S,scode,command.c_str(),exc.what());
return 1;
} catch ( ... ) {
printf("%u %s invalid JSON response (unknown exception)" ZT_EOL_S,scode,command.c_str());
return 1;
}
bool bNetworkFound = false;
if (j.is_array()) {
for(unsigned long i=0;i<j.size();++i) {
nlohmann::json &n = j[i];
if (n.is_object()) {
if (n["id"] == arg1) {
bNetworkFound = true;
std::string aa;
if (arg2 != "ip" && arg2 != "ip4" && arg2 != "ip6" && arg2 != "ip6plane" && arg2 != "ip6prefix") {
aa.append(OSUtils::jsonString(n[arg2],"-")); // Standard network property field
if (aa == "-") {
printf("error, unknown property name\n");
break;
}
printf("%s\n",aa.c_str());
break;
}
nlohmann::json &assignedAddresses = n["assignedAddresses"];
if (assignedAddresses.is_array()) {
int matchingIdxs[ZT_MAX_ZT_ASSIGNED_ADDRESSES];
int addressCountOfType = 0;
for (int k = 0; k<std::min(ZT_MAX_ZT_ASSIGNED_ADDRESSES, (int)assignedAddresses.size());++k) {
nlohmann::json &addr = assignedAddresses[k];
if ((arg2 == "ip4" && addr.get<std::string>().find('.') != std::string::npos)
|| ((arg2.find("ip6") == 0) && addr.get<std::string>().find(":") != std::string::npos)
|| (arg2 == "ip")
) {
matchingIdxs[addressCountOfType++] = k;
}
}
for (int k=0; k<addressCountOfType; k++) {
nlohmann::json &addr = assignedAddresses[matchingIdxs[k]];
if (!addr.is_string()) {
continue;
}
if (arg2.find("ip6p") == 0) {
if (arg2 == "ip6plane") {
if (addr.get<std::string>().find("fc") == 0) {
aa.append(addr.get<std::string>().substr(0,addr.get<std::string>().find('/')));
if (k < addressCountOfType-1) aa.append("\n");
}
}
if (arg2 == "ip6prefix") {
if (addr.get<std::string>().find("fc") == 0) {
aa.append(addr.get<std::string>().substr(0,addr.get<std::string>().find('/')).substr(0,24));
if (k < addressCountOfType-1) aa.append("\n");
}
}
}
else {
aa.append(addr.get<std::string>().substr(0,addr.get<std::string>().find('/')));
if (k < addressCountOfType-1) aa.append("\n");
}
}
}
printf("%s\n",aa.c_str());
}
}
}
}
if (!bNetworkFound) {
fprintf(stderr,"unknown network ID, check that you are a member of the network\n");
}
if (scode == 200) {
return 0;
} else {
printf("%u %s %s" ZT_EOL_S,scode,command.c_str(),responseBody.c_str());
return 1;
}
} else if (command == "dump") {
std::stringstream dump;
dump << "platform: ";
#ifdef __APPLE__
dump << "macOS" << ZT_EOL_S;
#elif defined(_WIN32)
dump << "Windows" << ZT_EOL_S;
#elif defined(__LINUX__)
dump << "Linux" << ZT_EOL_S;
#else
dump << "other unix based OS" << ZT_EOL_S;
#endif
dump << "zerotier version: " << ZEROTIER_ONE_VERSION_MAJOR << "."
<< ZEROTIER_ONE_VERSION_MINOR << "." << ZEROTIER_ONE_VERSION_REVISION << ZT_EOL_S << ZT_EOL_S;
// grab status
dump << "status" << ZT_EOL_S << "------" << ZT_EOL_S;
unsigned int scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/status",requestHeaders,responseHeaders,responseBody);
if (scode != 200) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
dump << responseBody << ZT_EOL_S;
responseHeaders.clear();
responseBody = "";
// grab network list
dump << ZT_EOL_S << "networks" << ZT_EOL_S << "--------" << ZT_EOL_S;
scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/network",requestHeaders,responseHeaders,responseBody);
if (scode != 200) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
dump << responseBody << ZT_EOL_S;
responseHeaders.clear();
responseBody = "";
// list peers
dump << ZT_EOL_S << "peers" << ZT_EOL_S << "-----" << ZT_EOL_S;
scode = Http::GET(1024 * 1024 * 16,60000,(const struct sockaddr *)&addr,"/peer",requestHeaders,responseHeaders,responseBody);
if (scode != 200) {
printf("Error connecting to the ZeroTier service: %s\n\nPlease check that the service is running and that TCP port 9993 can be contacted via 127.0.0.1." ZT_EOL_S, responseBody.c_str());
return 1;
}
dump << responseBody << ZT_EOL_S;
// Bonds don't need to be queried separately since their data originates from "/peer" responses anyway
responseHeaders.clear();
responseBody = "";
dump << ZT_EOL_S << "local.conf" << ZT_EOL_S << "----------" << ZT_EOL_S;
std::string localConf;
OSUtils::readFile((homeDir + ZT_PATH_SEPARATOR_S + "local.conf").c_str(), localConf);
if (localConf.empty()) {
dump << "None Present" << ZT_EOL_S;
}
else {
dump << localConf << ZT_EOL_S;
}
dump << ZT_EOL_S << "Network Interfaces" << ZT_EOL_S << "------------------" << ZT_EOL_S << ZT_EOL_S;
#ifdef __APPLE__
CFArrayRef interfaces = SCNetworkInterfaceCopyAll();
CFIndex size = CFArrayGetCount(interfaces);
for(CFIndex i = 0; i < size; ++i) {
SCNetworkInterfaceRef iface = (SCNetworkInterfaceRef)CFArrayGetValueAtIndex(interfaces, i);
dump << "Interface " << i << ZT_EOL_S << "-----------" << ZT_EOL_S;
CFStringRef tmp = SCNetworkInterfaceGetBSDName(iface);
char stringBuffer[512] = {};
CFStringGetCString(tmp,stringBuffer, sizeof(stringBuffer), kCFStringEncodingUTF8);
dump << "Name: " << stringBuffer << ZT_EOL_S;
std::string ifName(stringBuffer);
int mtuCur, mtuMin, mtuMax;
SCNetworkInterfaceCopyMTU(iface, &mtuCur, &mtuMin, &mtuMax);
dump << "MTU: " << mtuCur << ZT_EOL_S;
tmp = SCNetworkInterfaceGetHardwareAddressString(iface);
CFStringGetCString(tmp, stringBuffer, sizeof(stringBuffer), kCFStringEncodingUTF8);
dump << "MAC: " << stringBuffer << ZT_EOL_S;
tmp = SCNetworkInterfaceGetInterfaceType(iface);
CFStringGetCString(tmp, stringBuffer, sizeof(stringBuffer), kCFStringEncodingUTF8);
dump << "Type: " << stringBuffer << ZT_EOL_S;
dump << "Addresses:" << ZT_EOL_S;
struct ifaddrs *ifap, *ifa;
void *addr;
getifaddrs(&ifap);
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (strcmp(ifName.c_str(), ifa->ifa_name) == 0) {
if (ifa->ifa_addr->sa_family == AF_INET) {
struct sockaddr_in *ipv4 = (struct sockaddr_in*)ifa->ifa_addr;
addr = &ipv4->sin_addr;
} else if (ifa->ifa_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6*)ifa->ifa_addr;
addr = &ipv6->sin6_addr;
} else {
continue;
}
inet_ntop(ifa->ifa_addr->sa_family, addr, stringBuffer, sizeof(stringBuffer));
dump << stringBuffer << ZT_EOL_S;
}
}
dump << ZT_EOL_S;
}
FSRef fsref;
UInt8 path[PATH_MAX];
if (FSFindFolder(kUserDomain, kDesktopFolderType, kDontCreateFolder, &fsref) == noErr &&
FSRefMakePath(&fsref, path, sizeof(path)) == noErr) {
} else if (getenv("SUDO_USER")) {
sprintf((char*)path, "/Users/%s/Desktop", getenv("SUDO_USER"));
} else {
fprintf(stdout, "%s", dump.str().c_str());
return 0;
}
sprintf((char*)path, "%s%szerotier_dump.txt", (char*)path, ZT_PATH_SEPARATOR_S);
fprintf(stdout, "Writing dump to: %s\n", path);
int fd = open((char*)path, O_CREAT|O_RDWR,0664);
if (fd == -1) {
fprintf(stderr, "Error creating file.\n");
return 1;
}
write(fd, dump.str().c_str(), dump.str().size());
close(fd);
#elif defined(_WIN32)
ULONG buffLen = 16384;
PIP_ADAPTER_ADDRESSES addresses;
ULONG ret = 0;
do {
addresses = (PIP_ADAPTER_ADDRESSES)malloc(buffLen);
ret = GetAdaptersAddresses(AF_UNSPEC, 0, NULL, addresses, &buffLen);
if (ret == ERROR_BUFFER_OVERFLOW) {
free(addresses);
addresses = NULL;
}
else {
break;
}
} while (ret == ERROR_BUFFER_OVERFLOW);
int i = 0;
if (ret == NO_ERROR) {
PIP_ADAPTER_ADDRESSES curAddr = addresses;
while (curAddr) {
dump << "Interface " << i << ZT_EOL_S << "-----------" << ZT_EOL_S;
dump << "Name: " << curAddr->AdapterName << ZT_EOL_S;
dump << "MTU: " << curAddr->Mtu << ZT_EOL_S;
dump << "MAC: ";
char macBuffer[64] = {};
sprintf(macBuffer, "%02x:%02x:%02x:%02x:%02x:%02x",
curAddr->PhysicalAddress[0],
curAddr->PhysicalAddress[1],
curAddr->PhysicalAddress[2],
curAddr->PhysicalAddress[3],
curAddr->PhysicalAddress[4],
curAddr->PhysicalAddress[5]);
dump << macBuffer << ZT_EOL_S;
dump << "Type: " << curAddr->IfType << ZT_EOL_S;
dump << "Addresses:" << ZT_EOL_S;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = NULL;
pUnicast = curAddr->FirstUnicastAddress;
if (pUnicast) {
for (int j = 0; pUnicast != NULL; ++j) {
char buf[128] = {};
DWORD bufLen = 128;
LPSOCKADDR a = pUnicast->Address.lpSockaddr;
WSAAddressToStringA(
pUnicast->Address.lpSockaddr,
pUnicast->Address.iSockaddrLength,
NULL,
buf,
&bufLen
);
dump << buf << ZT_EOL_S;
pUnicast = pUnicast->Next;
}
}
curAddr = curAddr->Next;
++i;
}
}
if (addresses) {
free(addresses);
addresses = NULL;
}
char path[MAX_PATH + 1] = {};
if (SHGetFolderPathA(NULL, CSIDL_DESKTOP, NULL, 0, path) == S_OK) {
sprintf(path, "%s%szerotier_dump.txt", path, ZT_PATH_SEPARATOR_S);
fprintf(stdout, "Writing dump to: %s\n", path);
HANDLE file = CreateFileA(
path,
GENERIC_WRITE,
0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL
);
if (file == INVALID_HANDLE_VALUE) {
fprintf(stdout, "%s", dump.str().c_str());
return 0;
}
BOOL err = WriteFile(
file,
dump.str().c_str(),
dump.str().size(),
NULL,
NULL
);
if (err = FALSE) {
fprintf(stderr, "Error writing file");
return 1;
}
CloseHandle(file);
}
else {
fprintf(stdout, "%s", dump.str().c_str());
}
#elif defined(__LINUX__)
struct ifreq ifr;
struct ifconf ifc;
char buf[1024];
char stringBuffer[128];
int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
ifc.ifc_len = sizeof(buf);
ifc.ifc_buf = buf;
ioctl(sock, SIOCGIFCONF, &ifc);
struct ifreq *it = ifc.ifc_req;
const struct ifreq * const end = it + (ifc.ifc_len / sizeof(struct ifreq));
int count = 0;
for(; it != end; ++it) {
strcpy(ifr.ifr_name, it->ifr_name);
if(ioctl(sock, SIOCGIFFLAGS, &ifr) == 0) {
if (!(ifr.ifr_flags & IFF_LOOPBACK)) { // skip loopback
dump << "Interface " << count++ << ZT_EOL_S << "-----------" << ZT_EOL_S;
dump << "Name: " << ifr.ifr_name << ZT_EOL_S;
if (ioctl(sock, SIOCGIFMTU, &ifr) == 0) {
dump << "MTU: " << ifr.ifr_mtu << ZT_EOL_S;
}
if (ioctl(sock, SIOCGIFHWADDR, &ifr) == 0) {
unsigned char mac_addr[6];
memcpy(mac_addr, ifr.ifr_hwaddr.sa_data, 6);
char macStr[18];
sprintf(macStr, "%02x:%02x:%02x:%02x:%02x:%02x",
mac_addr[0],
mac_addr[1],
mac_addr[2],
mac_addr[3],
mac_addr[4],
mac_addr[5]);
dump << "MAC: " << macStr << ZT_EOL_S;
}
dump << "Addresses: " << ZT_EOL_S;
struct ifaddrs *ifap, *ifa;
void *addr;
getifaddrs(&ifap);
for(ifa = ifap; ifa; ifa = ifa->ifa_next) {
if(strcmp(ifr.ifr_name, ifa->ifa_name) == 0 && ifa->ifa_addr != NULL) {
if(ifa->ifa_addr->sa_family == AF_INET) {
struct sockaddr_in *ipv4 = (struct sockaddr_in*)ifa->ifa_addr;
addr = &ipv4->sin_addr;
} else if (ifa->ifa_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *ipv6 = (struct sockaddr_in6*)ifa->ifa_addr;
addr = &ipv6->sin6_addr;
} else {
continue;
}
inet_ntop(ifa->ifa_addr->sa_family, addr, stringBuffer, sizeof(stringBuffer));
dump << stringBuffer << ZT_EOL_S;
}
}
}
}
}
close(sock);
char cwd[16384];
getcwd(cwd, sizeof(cwd));
sprintf(cwd, "%s%szerotier_dump.txt", cwd, ZT_PATH_SEPARATOR_S);
fprintf(stdout, "Writing dump to: %s\n", cwd);
int fd = open(cwd, O_CREAT|O_RDWR,0664);
if (fd == -1) {
fprintf(stderr, "Error creating file.\n");
return 1;
}
write(fd, dump.str().c_str(), dump.str().size());
close(fd);
#else
fprintf(stderr, "%s", dump.str().c_str());
#endif
// fprintf(stderr, "%s\n", dump.str().c_str());
} else {
cliPrintHelp(argv[0],stderr);
return 0;
}
return 0;
}
/****************************************************************************/
/* zerotier-idtool personality */
/****************************************************************************/
static void idtoolPrintHelp(FILE *out,const char *pn)
{
fprintf(out,
"%s version %d.%d.%d" ZT_EOL_S,
PROGRAM_NAME,
ZEROTIER_ONE_VERSION_MAJOR, ZEROTIER_ONE_VERSION_MINOR, ZEROTIER_ONE_VERSION_REVISION);
fprintf(out,
COPYRIGHT_NOTICE ZT_EOL_S
LICENSE_GRANT ZT_EOL_S);
fprintf(out,"Usage: %s <command> [<args>]" ZT_EOL_S"" ZT_EOL_S"Commands:" ZT_EOL_S,pn);
fprintf(out," generate [<identity.secret>] [<identity.public>] [<vanity>]" ZT_EOL_S);
fprintf(out," validate <identity.secret/public>" ZT_EOL_S);
fprintf(out," getpublic <identity.secret>" ZT_EOL_S);
fprintf(out," sign <identity.secret> <file>" ZT_EOL_S);
fprintf(out," verify <identity.secret/public> <file> <signature>" ZT_EOL_S);
fprintf(out," initmoon <identity.public of first seed>" ZT_EOL_S);
fprintf(out," genmoon <moon json>" ZT_EOL_S);
}
static Identity getIdFromArg(char *arg)
{
Identity id;
if ((strlen(arg) > 32)&&(arg[10] == ':')) { // identity is a literal on the command line
if (id.fromString(arg))
return id;
} else { // identity is to be read from a file
std::string idser;
if (OSUtils::readFile(arg,idser)) {
if (id.fromString(idser.c_str()))
return id;
}
}
return Identity();
}
#ifdef __WINDOWS__
static int idtool(int argc, _TCHAR* argv[])
#else
static int idtool(int argc,char **argv)
#endif
{
if (argc < 2) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
if (!strcmp(argv[1],"generate")) {
uint64_t vanity = 0;
int vanityBits = 0;
if (argc >= 5) {
vanity = Utils::hexStrToU64(argv[4]) & 0xffffffffffULL;
vanityBits = 4 * (int)strlen(argv[4]);
if (vanityBits > 40)
vanityBits = 40;
}
Identity id;
for(;;) {
id.generate();
if ((id.address().toInt() >> (40 - vanityBits)) == vanity) {
if (vanityBits > 0) {
fprintf(stderr,"vanity address: found %.10llx !\n",(unsigned long long)id.address().toInt());
}
break;
} else {
fprintf(stderr,"vanity address: tried %.10llx looking for first %d bits of %.10llx\n",(unsigned long long)id.address().toInt(),vanityBits,(unsigned long long)(vanity << (40 - vanityBits)));
}
}
char idtmp[1024];
std::string idser = id.toString(true,idtmp);
if (argc >= 3) {
if (!OSUtils::writeFile(argv[2],idser)) {
fprintf(stderr,"Error writing to %s" ZT_EOL_S,argv[2]);
return 1;
} else printf("%s written" ZT_EOL_S,argv[2]);
if (argc >= 4) {
idser = id.toString(false,idtmp);
if (!OSUtils::writeFile(argv[3],idser)) {
fprintf(stderr,"Error writing to %s" ZT_EOL_S,argv[3]);
return 1;
} else printf("%s written" ZT_EOL_S,argv[3]);
}
} else printf("%s",idser.c_str());
} else if (!strcmp(argv[1],"validate")) {
if (argc < 3) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
Identity id = getIdFromArg(argv[2]);
if (!id) {
fprintf(stderr,"Identity argument invalid or file unreadable: %s" ZT_EOL_S,argv[2]);
return 1;
}
if (!id.locallyValidate()) {
fprintf(stderr,"%s FAILED validation." ZT_EOL_S,argv[2]);
return 1;
} else printf("%s is a valid identity" ZT_EOL_S,argv[2]);
} else if (!strcmp(argv[1],"getpublic")) {
if (argc < 3) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
Identity id = getIdFromArg(argv[2]);
if (!id) {
fprintf(stderr,"Identity argument invalid or file unreadable: %s" ZT_EOL_S,argv[2]);
return 1;
}
char idtmp[1024];
printf("%s",id.toString(false,idtmp));
} else if (!strcmp(argv[1],"sign")) {
if (argc < 4) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
Identity id = getIdFromArg(argv[2]);
if (!id) {
fprintf(stderr,"Identity argument invalid or file unreadable: %s" ZT_EOL_S,argv[2]);
return 1;
}
if (!id.hasPrivate()) {
fprintf(stderr,"%s does not contain a private key (must use private to sign)" ZT_EOL_S,argv[2]);
return 1;
}
std::string inf;
if (!OSUtils::readFile(argv[3],inf)) {
fprintf(stderr,"%s is not readable" ZT_EOL_S,argv[3]);
return 1;
}
C25519::Signature signature = id.sign(inf.data(),(unsigned int)inf.length());
char hexbuf[1024];
printf("%s",Utils::hex(signature.data,ZT_C25519_SIGNATURE_LEN,hexbuf));
} else if (!strcmp(argv[1],"verify")) {
if (argc < 5) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
Identity id = getIdFromArg(argv[2]);
if (!id) {
fprintf(stderr,"Identity argument invalid or file unreadable: %s" ZT_EOL_S,argv[2]);
return 1;
}
std::string inf;
if (!OSUtils::readFile(argv[3],inf)) {
fprintf(stderr,"%s is not readable" ZT_EOL_S,argv[3]);
return 1;
}
char buf[4096];
std::string signature(buf,Utils::unhex(argv[4],buf,(unsigned int)sizeof(buf)));
if ((signature.length() > ZT_ADDRESS_LENGTH)&&(id.verify(inf.data(),(unsigned int)inf.length(),signature.data(),(unsigned int)signature.length()))) {
printf("%s signature valid" ZT_EOL_S,argv[3]);
} else {
signature.clear();
if (OSUtils::readFile(argv[4],signature)) {
signature.assign(buf,Utils::unhex(signature.c_str(),buf,(unsigned int)sizeof(buf)));
if ((signature.length() > ZT_ADDRESS_LENGTH)&&(id.verify(inf.data(),(unsigned int)inf.length(),signature.data(),(unsigned int)signature.length()))) {
printf("%s signature valid" ZT_EOL_S,argv[3]);
} else {
fprintf(stderr,"%s signature check FAILED" ZT_EOL_S,argv[3]);
return 1;
}
} else {
fprintf(stderr,"%s signature check FAILED" ZT_EOL_S,argv[3]);
return 1;
}
}
} else if (!strcmp(argv[1],"initmoon")) {
if (argc < 3) {
idtoolPrintHelp(stdout,argv[0]);
} else {
const Identity id = getIdFromArg(argv[2]);
if (!id) {
fprintf(stderr,"%s is not a valid identity" ZT_EOL_S,argv[2]);
return 1;
}
C25519::Pair kp(C25519::generate());
char idtmp[4096];
nlohmann::json mj;
mj["objtype"] = "world";
mj["worldType"] = "moon";
mj["updatesMustBeSignedBy"] = mj["signingKey"] = Utils::hex(kp.pub.data,ZT_C25519_PUBLIC_KEY_LEN,idtmp);
mj["signingKey_SECRET"] = Utils::hex(kp.priv.data,ZT_C25519_PRIVATE_KEY_LEN,idtmp);
mj["id"] = id.address().toString(idtmp);
nlohmann::json seedj;
seedj["identity"] = id.toString(false,idtmp);
seedj["stableEndpoints"] = nlohmann::json::array();
(mj["roots"] = nlohmann::json::array()).push_back(seedj);
std::string mjd(OSUtils::jsonDump(mj));
printf("%s" ZT_EOL_S,mjd.c_str());
}
} else if (!strcmp(argv[1],"genmoon")) {
if (argc < 3) {
idtoolPrintHelp(stdout,argv[0]);
} else {
std::string buf;
if (!OSUtils::readFile(argv[2],buf)) {
fprintf(stderr,"cannot read %s" ZT_EOL_S,argv[2]);
return 1;
}
nlohmann::json mj(OSUtils::jsonParse(buf));
const uint64_t id = Utils::hexStrToU64(OSUtils::jsonString(mj["id"],"0").c_str());
if (!id) {
fprintf(stderr,"ID in %s is invalid" ZT_EOL_S,argv[2]);
return 1;
}
World::Type t;
if (mj["worldType"] == "moon") {
t = World::TYPE_MOON;
} else if (mj["worldType"] == "planet") {
t = World::TYPE_PLANET;
} else {
fprintf(stderr,"invalid worldType" ZT_EOL_S);
return 1;
}
C25519::Pair signingKey;
C25519::Public updatesMustBeSignedBy;
Utils::unhex(OSUtils::jsonString(mj["signingKey"],"").c_str(),signingKey.pub.data,ZT_C25519_PUBLIC_KEY_LEN);
Utils::unhex(OSUtils::jsonString(mj["signingKey_SECRET"],"").c_str(),signingKey.priv.data,ZT_C25519_PRIVATE_KEY_LEN);
Utils::unhex(OSUtils::jsonString(mj["updatesMustBeSignedBy"],"").c_str(),updatesMustBeSignedBy.data,ZT_C25519_PUBLIC_KEY_LEN);
std::vector<World::Root> roots;
nlohmann::json &rootsj = mj["roots"];
if (rootsj.is_array()) {
for(unsigned long i=0;i<(unsigned long)rootsj.size();++i) {
nlohmann::json &r = rootsj[i];
if (r.is_object()) {
roots.push_back(World::Root());
roots.back().identity = Identity(OSUtils::jsonString(r["identity"],"").c_str());
nlohmann::json &stableEndpointsj = r["stableEndpoints"];
if (stableEndpointsj.is_array()) {
for(unsigned long k=0;k<(unsigned long)stableEndpointsj.size();++k)
roots.back().stableEndpoints.push_back(InetAddress(OSUtils::jsonString(stableEndpointsj[k],"").c_str()));
std::sort(roots.back().stableEndpoints.begin(),roots.back().stableEndpoints.end());
}
}
}
}
std::sort(roots.begin(),roots.end());
const int64_t now = OSUtils::now();
World w(World::make(t,id,now,updatesMustBeSignedBy,roots,signingKey));
Buffer<ZT_WORLD_MAX_SERIALIZED_LENGTH> wbuf;
w.serialize(wbuf);
char fn[128];
OSUtils::ztsnprintf(fn,sizeof(fn),"%.16llx.moon",w.id());
OSUtils::writeFile(fn,wbuf.data(),wbuf.size());
printf("wrote %s (signed world with timestamp %llu)" ZT_EOL_S,fn,(unsigned long long)now);
}
} else {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
return 0;
}
/****************************************************************************/
/* Unix helper functions and signal handlers */
/****************************************************************************/
#ifdef __UNIX_LIKE__
static void _sighandlerHup(int sig)
{
}
static void _sighandlerReallyQuit(int sig)
{
exit(0);
}
static void _sighandlerQuit(int sig)
{
alarm(5); // force exit after 5s
OneService *s = zt1Service;
if (s)
s->terminate();
else exit(0);
}
#endif
// Drop privileges on Linux, if supported by libc etc. and "zerotier-one" user exists on system
#if defined(__LINUX__) && !defined(ZT_NO_CAPABILITIES)
#ifndef PR_CAP_AMBIENT
#define PR_CAP_AMBIENT 47
#define PR_CAP_AMBIENT_IS_SET 1
#define PR_CAP_AMBIENT_RAISE 2
#define PR_CAP_AMBIENT_LOWER 3
#define PR_CAP_AMBIENT_CLEAR_ALL 4
#endif
#define ZT_LINUX_USER "zerotier-one"
#define ZT_HAVE_DROP_PRIVILEGES 1
namespace {
// libc doesn't export capset, it is instead located in libcap
// We ignore libcap and call it manually.
struct cap_header_struct {
__u32 version;
int pid;
};
struct cap_data_struct {
__u32 effective;
__u32 permitted;
__u32 inheritable;
};
static inline int _zt_capset(cap_header_struct* hdrp, cap_data_struct* datap) { return syscall(SYS_capset, hdrp, datap); }
static void _notDropping(const char *procName,const std::string &homeDir)
{
struct stat buf;
if (lstat(homeDir.c_str(),&buf) < 0) {
if (buf.st_uid != 0 || buf.st_gid != 0) {
fprintf(stderr, "%s: FATAL: failed to drop privileges and can't run as root since privileges were previously dropped (home directory not owned by root)" ZT_EOL_S,procName);
exit(1);
}
}
fprintf(stderr, "%s: WARNING: failed to drop privileges (kernel may not support required prctl features), running as root" ZT_EOL_S,procName);
}
static int _setCapabilities(int flags)
{
cap_header_struct capheader = {_LINUX_CAPABILITY_VERSION_1, 0};
cap_data_struct capdata;
capdata.inheritable = capdata.permitted = capdata.effective = flags;
return _zt_capset(&capheader, &capdata);
}
static void _recursiveChown(const char *path,uid_t uid,gid_t gid)
{
struct dirent de;
struct dirent *dptr;
lchown(path,uid,gid);
DIR *d = opendir(path);
if (!d)
return;
dptr = (struct dirent *)0;
for(;;) {
if (readdir_r(d,&de,&dptr) != 0)
break;
if (!dptr)
break;
if ((strcmp(dptr->d_name,".") != 0)&&(strcmp(dptr->d_name,"..") != 0)&&(strlen(dptr->d_name) > 0)) {
std::string p(path);
p.push_back(ZT_PATH_SEPARATOR);
p.append(dptr->d_name);
_recursiveChown(p.c_str(),uid,gid); // will just fail and return on regular files
}
}
closedir(d);
}
static void dropPrivileges(const char *procName,const std::string &homeDir)
{
if (getuid() != 0)
return;
// dropPrivileges switches to zerotier-one user while retaining CAP_NET_ADMIN
// and CAP_NET_RAW capabilities.
struct passwd *targetUser = getpwnam(ZT_LINUX_USER);
if (!targetUser)
return;
if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_RAW, 0, 0) < 0) {
// Kernel has no support for ambient capabilities.
_notDropping(procName,homeDir);
return;
}
if (prctl(PR_SET_SECUREBITS, SECBIT_KEEP_CAPS | SECBIT_NOROOT) < 0) {
_notDropping(procName,homeDir);
return;
}
// Change ownership of our home directory if everything looks good (does nothing if already chown'd)
_recursiveChown(homeDir.c_str(),targetUser->pw_uid,targetUser->pw_gid);
if (_setCapabilities((1 << CAP_NET_ADMIN) | (1 << CAP_NET_RAW) | (1 << CAP_SETUID) | (1 << CAP_SETGID) | (1 << CAP_NET_BIND_SERVICE)) < 0) {
_notDropping(procName,homeDir);
return;
}
int oldDumpable = prctl(PR_GET_DUMPABLE);
if (prctl(PR_SET_DUMPABLE, 0) < 0) {
// Disable ptracing. Otherwise there is a small window when previous
// compromised ZeroTier process could ptrace us, when we still have CAP_SETUID.
// (this is mitigated anyway on most distros by ptrace_scope=1)
fprintf(stderr,"%s: FATAL: prctl(PR_SET_DUMPABLE) failed while attempting to relinquish root permissions" ZT_EOL_S,procName);
exit(1);
}
// Relinquish root
if (setgid(targetUser->pw_gid) < 0) {
perror("setgid");
exit(1);
}
if (setuid(targetUser->pw_uid) < 0) {
perror("setuid");
exit(1);
}
if (_setCapabilities((1 << CAP_NET_ADMIN) | (1 << CAP_NET_RAW) | (1 << CAP_NET_BIND_SERVICE)) < 0) {
fprintf(stderr,"%s: FATAL: unable to drop capabilities after relinquishing root" ZT_EOL_S,procName);
exit(1);
}
if (prctl(PR_SET_DUMPABLE, oldDumpable) < 0) {
fprintf(stderr,"%s: FATAL: prctl(PR_SET_DUMPABLE) failed while attempting to relinquish root permissions" ZT_EOL_S,procName);
exit(1);
}
if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_ADMIN, 0, 0) < 0) {
fprintf(stderr,"%s: FATAL: prctl(PR_CAP_AMBIENT,PR_CAP_AMBIENT_RAISE,CAP_NET_ADMIN) failed while attempting to relinquish root permissions" ZT_EOL_S,procName);
exit(1);
}
if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_RAW, 0, 0) < 0) {
fprintf(stderr,"%s: FATAL: prctl(PR_CAP_AMBIENT,PR_CAP_AMBIENT_RAISE,CAP_NET_RAW) failed while attempting to relinquish root permissions" ZT_EOL_S,procName);
exit(1);
}
}
} // anonymous namespace
#endif // __LINUX__
/****************************************************************************/
/* Windows helper functions and signal handlers */
/****************************************************************************/
#ifdef __WINDOWS__
// Console signal handler routine to allow CTRL+C to work, mostly for testing
static BOOL WINAPI _winConsoleCtrlHandler(DWORD dwCtrlType)
{
switch(dwCtrlType) {
case CTRL_C_EVENT:
case CTRL_BREAK_EVENT:
case CTRL_CLOSE_EVENT:
case CTRL_SHUTDOWN_EVENT:
OneService *s = zt1Service;
if (s)
s->terminate();
return TRUE;
}
return FALSE;
}
// TODO: revisit this with https://support.microsoft.com/en-us/help/947709/how-to-use-the-netsh-advfirewall-firewall-context-instead-of-the-netsh
static void _winPokeAHole()
{
char myPath[MAX_PATH];
DWORD ps = GetModuleFileNameA(NULL,myPath,sizeof(myPath));
if ((ps > 0)&&(ps < (DWORD)sizeof(myPath))) {
STARTUPINFOA startupInfo;
PROCESS_INFORMATION processInfo;
startupInfo.cb = sizeof(startupInfo);
memset(&startupInfo,0,sizeof(STARTUPINFOA));
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
if (CreateProcessA(NULL,(LPSTR)(std::string("C:\\Windows\\System32\\netsh.exe advfirewall firewall delete rule name=\"ZeroTier One\" program=\"") + myPath + "\"").c_str(),NULL,NULL,FALSE,CREATE_NO_WINDOW,NULL,NULL,&startupInfo,&processInfo)) {
WaitForSingleObject(processInfo.hProcess,INFINITE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
startupInfo.cb = sizeof(startupInfo);
memset(&startupInfo,0,sizeof(STARTUPINFOA));
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
if (CreateProcessA(NULL,(LPSTR)(std::string("C:\\Windows\\System32\\netsh.exe advfirewall firewall add rule name=\"ZeroTier One\" dir=in action=allow program=\"") + myPath + "\" enable=yes").c_str(),NULL,NULL,FALSE,CREATE_NO_WINDOW,NULL,NULL,&startupInfo,&processInfo)) {
WaitForSingleObject(processInfo.hProcess,INFINITE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
startupInfo.cb = sizeof(startupInfo);
memset(&startupInfo,0,sizeof(STARTUPINFOA));
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
if (CreateProcessA(NULL,(LPSTR)(std::string("C:\\Windows\\System32\\netsh.exe advfirewall firewall add rule name=\"ZeroTier One\" dir=out action=allow program=\"") + myPath + "\" enable=yes").c_str(),NULL,NULL,FALSE,CREATE_NO_WINDOW,NULL,NULL,&startupInfo,&processInfo)) {
WaitForSingleObject(processInfo.hProcess,INFINITE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
}
}
// Returns true if this is running as the local administrator
static BOOL IsCurrentUserLocalAdministrator(void)
{
BOOL fReturn = FALSE;
DWORD dwStatus;
DWORD dwAccessMask;
DWORD dwAccessDesired;
DWORD dwACLSize;
DWORD dwStructureSize = sizeof(PRIVILEGE_SET);
PACL pACL = NULL;
PSID psidAdmin = NULL;
HANDLE hToken = NULL;
HANDLE hImpersonationToken = NULL;
PRIVILEGE_SET ps;
GENERIC_MAPPING GenericMapping;
PSECURITY_DESCRIPTOR psdAdmin = NULL;
SID_IDENTIFIER_AUTHORITY SystemSidAuthority = SECURITY_NT_AUTHORITY;
const DWORD ACCESS_READ = 1;
const DWORD ACCESS_WRITE = 2;
__try
{
if (!OpenThreadToken(GetCurrentThread(), TOKEN_DUPLICATE|TOKEN_QUERY,TRUE,&hToken))
{
if (GetLastError() != ERROR_NO_TOKEN)
__leave;
if (!OpenProcessToken(GetCurrentProcess(),TOKEN_DUPLICATE|TOKEN_QUERY, &hToken))
__leave;
}
if (!DuplicateToken (hToken, SecurityImpersonation,&hImpersonationToken))
__leave;
if (!AllocateAndInitializeSid(&SystemSidAuthority, 2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0, &psidAdmin))
__leave;
psdAdmin = LocalAlloc(LPTR, SECURITY_DESCRIPTOR_MIN_LENGTH);
if (psdAdmin == NULL)
__leave;
if (!InitializeSecurityDescriptor(psdAdmin,SECURITY_DESCRIPTOR_REVISION))
__leave;
dwACLSize = sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE) + GetLengthSid(psidAdmin) - sizeof(DWORD);
pACL = (PACL)LocalAlloc(LPTR, dwACLSize);
if (pACL == NULL)
__leave;
if (!InitializeAcl(pACL, dwACLSize, ACL_REVISION2))
__leave;
dwAccessMask= ACCESS_READ | ACCESS_WRITE;
if (!AddAccessAllowedAce(pACL, ACL_REVISION2, dwAccessMask, psidAdmin))
__leave;
if (!SetSecurityDescriptorDacl(psdAdmin, TRUE, pACL, FALSE))
__leave;
SetSecurityDescriptorGroup(psdAdmin, psidAdmin, FALSE);
SetSecurityDescriptorOwner(psdAdmin, psidAdmin, FALSE);
if (!IsValidSecurityDescriptor(psdAdmin))
__leave;
dwAccessDesired = ACCESS_READ;
GenericMapping.GenericRead = ACCESS_READ;
GenericMapping.GenericWrite = ACCESS_WRITE;
GenericMapping.GenericExecute = 0;
GenericMapping.GenericAll = ACCESS_READ | ACCESS_WRITE;
if (!AccessCheck(psdAdmin, hImpersonationToken, dwAccessDesired,
&GenericMapping, &ps, &dwStructureSize, &dwStatus,
&fReturn))
{
fReturn = FALSE;
__leave;
}
}
__finally
{
// Clean up.
if (pACL) LocalFree(pACL);
if (psdAdmin) LocalFree(psdAdmin);
if (psidAdmin) FreeSid(psidAdmin);
if (hImpersonationToken) CloseHandle (hImpersonationToken);
if (hToken) CloseHandle (hToken);
}
return fReturn;
}
#endif // __WINDOWS__
/****************************************************************************/
/* main() and friends */
/****************************************************************************/
static void printHelp(const char *cn,FILE *out)
{
fprintf(out,
"%s version %d.%d.%d" ZT_EOL_S,
PROGRAM_NAME,
ZEROTIER_ONE_VERSION_MAJOR, ZEROTIER_ONE_VERSION_MINOR, ZEROTIER_ONE_VERSION_REVISION);
fprintf(out,
COPYRIGHT_NOTICE ZT_EOL_S
LICENSE_GRANT ZT_EOL_S);
fprintf(out,"Usage: %s [-switches] [home directory]" ZT_EOL_S"" ZT_EOL_S,cn);
fprintf(out,"Available switches:" ZT_EOL_S);
fprintf(out," -h - Display this help" ZT_EOL_S);
fprintf(out," -v - Show version" ZT_EOL_S);
fprintf(out," -U - Skip privilege check and do not attempt to drop privileges" ZT_EOL_S);
fprintf(out," -p<port> - Port for UDP and TCP/HTTP (default: 9993, 0 for random)" ZT_EOL_S);
#ifdef __UNIX_LIKE__
fprintf(out," -d - Fork and run as daemon (Unix-ish OSes)" ZT_EOL_S);
#endif // __UNIX_LIKE__
#ifdef __WINDOWS__
fprintf(out," -C - Run from command line instead of as service (Windows)" ZT_EOL_S);
fprintf(out," -I - Install Windows service (Windows)" ZT_EOL_S);
fprintf(out," -R - Uninstall Windows service (Windows)" ZT_EOL_S);
fprintf(out," -D - Remove all instances of Windows tap device (Windows)" ZT_EOL_S);
#endif // __WINDOWS__
fprintf(out," -i - Generate and manage identities (zerotier-idtool)" ZT_EOL_S);
fprintf(out," -q - Query API (zerotier-cli)" ZT_EOL_S);
}
class _OneServiceRunner
{
public:
_OneServiceRunner(const char *pn,const std::string &hd,unsigned int p) : progname(pn),returnValue(0),port(p),homeDir(hd) {}
void threadMain()
throw()
{
try {
for(;;) {
zt1Service = OneService::newInstance(homeDir.c_str(),port);
switch(zt1Service->run()) {
case OneService::ONE_STILL_RUNNING: // shouldn't happen, run() won't return until done
case OneService::ONE_NORMAL_TERMINATION:
break;
case OneService::ONE_UNRECOVERABLE_ERROR:
fprintf(stderr,"%s: fatal error: %s" ZT_EOL_S,progname,zt1Service->fatalErrorMessage().c_str());
returnValue = 1;
break;
case OneService::ONE_IDENTITY_COLLISION: {
delete zt1Service;
zt1Service = (OneService *)0;
std::string oldid;
OSUtils::readFile((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret").c_str(),oldid);
if (oldid.length()) {
OSUtils::writeFile((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret.saved_after_collision").c_str(),oldid);
OSUtils::rm((homeDir + ZT_PATH_SEPARATOR_S + "identity.secret").c_str());
OSUtils::rm((homeDir + ZT_PATH_SEPARATOR_S + "identity.public").c_str());
}
} continue; // restart!
}
break; // terminate loop -- normally we don't keep restarting
}
delete zt1Service;
zt1Service = (OneService *)0;
} catch ( ... ) {
fprintf(stderr,"%s: unexpected exception starting main OneService instance" ZT_EOL_S,progname);
returnValue = 1;
}
}
const char *progname;
unsigned int returnValue;
unsigned int port;
const std::string &homeDir;
};
#ifdef __WINDOWS__
int __cdecl _tmain(int argc, _TCHAR* argv[])
#else
int main(int argc,char **argv)
#endif
{
#if defined(__LINUX__) && ( (!defined(__GLIBC__)) || ((__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 18)) )
// This corrects for systems with abnormally small defaults (musl) and also
// shrinks the stack on systems with large defaults to save a bit of memory.
pthread_attr_t tattr;
pthread_attr_init(&tattr);
pthread_attr_setstacksize(&tattr,1048576);
pthread_setattr_default_np(&tattr);
pthread_attr_destroy(&tattr);
#endif
#ifdef __UNIX_LIKE__
signal(SIGHUP,&_sighandlerHup);
signal(SIGPIPE,SIG_IGN);
signal(SIGIO,SIG_IGN);
signal(SIGUSR1,SIG_IGN);
signal(SIGUSR2,SIG_IGN);
signal(SIGALRM,&_sighandlerReallyQuit);
signal(SIGINT,&_sighandlerQuit);
signal(SIGTERM,&_sighandlerQuit);
signal(SIGQUIT,&_sighandlerQuit);
signal(SIGINT,&_sighandlerQuit);
/* Ensure that there are no inherited file descriptors open from a previous
* incarnation. This is a hack to ensure that GitHub issue #61 or variants
* of it do not return, and should not do anything otherwise bad. */
{
int mfd = STDIN_FILENO;
if (STDOUT_FILENO > mfd) mfd = STDOUT_FILENO;
if (STDERR_FILENO > mfd) mfd = STDERR_FILENO;
for(int f=mfd+1;f<1024;++f)
::close(f);
}
bool runAsDaemon = false;
#endif // __UNIX_LIKE__
#ifdef __WINDOWS__
{
WSADATA wsaData;
WSAStartup(MAKEWORD(2,2),&wsaData);
}
#ifdef ZT_WIN_RUN_IN_CONSOLE
bool winRunFromCommandLine = true;
#else
bool winRunFromCommandLine = false;
#endif
#endif // __WINDOWS__
if ((strstr(argv[0],"zerotier-idtool"))||(strstr(argv[0],"ZEROTIER-IDTOOL")))
return idtool(argc,argv);
if ((strstr(argv[0],"zerotier-cli"))||(strstr(argv[0],"ZEROTIER-CLI")))
return cli(argc,argv);
std::string homeDir;
unsigned int port = ZT_DEFAULT_PORT;
bool skipRootCheck = false;
for(int i=1;i<argc;++i) {
if (argv[i][0] == '-') {
switch(argv[i][1]) {
case 'p': // port -- for both UDP and TCP, packets and control plane
port = Utils::strToUInt(argv[i] + 2);
if (port > 0xffff) {
printHelp(argv[0],stdout);
return 1;
}
break;
#ifdef __UNIX_LIKE__
case 'd': // Run in background as daemon
runAsDaemon = true;
break;
#endif // __UNIX_LIKE__
case 'U':
skipRootCheck = true;
break;
case 'v': // Display version
printf("%d.%d.%d" ZT_EOL_S,ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION);
return 0;
case 'i': // Invoke idtool personality
if (argv[i][2]) {
printHelp(argv[0],stdout);
return 0;
} else return idtool(argc-1,argv+1);
case 'q': // Invoke cli personality
if (argv[i][2]) {
printHelp(argv[0],stdout);
return 0;
} else return cli(argc,argv);
#ifdef __WINDOWS__
case 'C': // Run from command line instead of as Windows service
winRunFromCommandLine = true;
break;
case 'I': { // Install this binary as a Windows service
if (IsCurrentUserLocalAdministrator() != TRUE) {
fprintf(stderr,"%s: must be run as a local administrator." ZT_EOL_S,argv[0]);
return 1;
}
std::string ret(InstallService(ZT_SERVICE_NAME,ZT_SERVICE_DISPLAY_NAME,ZT_SERVICE_START_TYPE,ZT_SERVICE_DEPENDENCIES,ZT_SERVICE_ACCOUNT,ZT_SERVICE_PASSWORD));
if (ret.length()) {
fprintf(stderr,"%s: unable to install service: %s" ZT_EOL_S,argv[0],ret.c_str());
return 3;
}
return 0;
} break;
case 'R': { // Uninstall this binary as Windows service
if (IsCurrentUserLocalAdministrator() != TRUE) {
fprintf(stderr,"%s: must be run as a local administrator." ZT_EOL_S,argv[0]);
return 1;
}
std::string ret(UninstallService(ZT_SERVICE_NAME));
if (ret.length()) {
fprintf(stderr,"%s: unable to uninstall service: %s" ZT_EOL_S,argv[0],ret.c_str());
return 3;
}
return 0;
} break;
case 'D': {
std::string err = WindowsEthernetTap::destroyAllPersistentTapDevices();
if (err.length() > 0) {
fprintf(stderr,"%s: unable to uninstall one or more persistent tap devices: %s" ZT_EOL_S,argv[0],err.c_str());
return 3;
}
return 0;
} break;
#endif // __WINDOWS__
case 'h':
case '?':
default:
printHelp(argv[0],stdout);
return 0;
}
} else {
if (homeDir.length()) {
printHelp(argv[0],stdout);
return 0;
} else {
homeDir = argv[i];
}
}
}
if (!homeDir.length())
homeDir = OneService::platformDefaultHomePath();
if (!homeDir.length()) {
fprintf(stderr,"%s: no home path specified and no platform default available" ZT_EOL_S,argv[0]);
return 1;
} else {
std::vector<std::string> hpsp(OSUtils::split(homeDir.c_str(),ZT_PATH_SEPARATOR_S,"",""));
std::string ptmp;
if (homeDir[0] == ZT_PATH_SEPARATOR)
ptmp.push_back(ZT_PATH_SEPARATOR);
for(std::vector<std::string>::iterator pi(hpsp.begin());pi!=hpsp.end();++pi) {
if (ptmp.length() > 0)
ptmp.push_back(ZT_PATH_SEPARATOR);
ptmp.append(*pi);
if ((*pi != ".")&&(*pi != "..")) {
if (!OSUtils::mkdir(ptmp))
throw std::runtime_error("home path does not exist, and could not create. Please verify local system permissions.");
}
}
}
// Check and fix permissions on critical files at startup
try {
char p[4096];
OSUtils::ztsnprintf(p, sizeof(p), "%s" ZT_PATH_SEPARATOR_S "identity.secret", homeDir.c_str());
if (OSUtils::fileExists(p)) {
OSUtils::lockDownFile(p, false);
}
}
catch (...) {
}
try {
char p[4096];
OSUtils::ztsnprintf(p, sizeof(p), "%s" ZT_PATH_SEPARATOR_S "authtoken.secret", homeDir.c_str());
if (OSUtils::fileExists(p)) {
OSUtils::lockDownFile(p, false);
}
}
catch (...) {
}
// This can be removed once the new controller code has been around for many versions
if (OSUtils::fileExists((homeDir + ZT_PATH_SEPARATOR_S + "controller.db").c_str(),true)) {
fprintf(stderr,"%s: FATAL: an old controller.db exists in %s -- see instructions in controller/README.md for how to migrate!" ZT_EOL_S,argv[0],homeDir.c_str());
return 1;
}
#ifdef __UNIX_LIKE__
#ifndef ZT_ONE_NO_ROOT_CHECK
if ((!skipRootCheck)&&(getuid() != 0)) {
fprintf(stderr,"%s: must be run as root (uid 0)" ZT_EOL_S,argv[0]);
return 1;
}
#endif // !ZT_ONE_NO_ROOT_CHECK
if (runAsDaemon) {
long p = (long)fork();
if (p < 0) {
fprintf(stderr,"%s: could not fork" ZT_EOL_S,argv[0]);
return 1;
} else if (p > 0)
return 0; // forked
// else p == 0, so we are daemonized
}
#endif // __UNIX_LIKE__
#ifdef __WINDOWS__
// Uninstall legacy tap devices. New devices will automatically be installed and configured
// when tap instances are created.
WindowsEthernetTap::destroyAllLegacyPersistentTapDevices();
if (winRunFromCommandLine) {
// Running in "interactive" mode (mostly for debugging)
if (IsCurrentUserLocalAdministrator() != TRUE) {
if (!skipRootCheck) {
fprintf(stderr,"%s: must be run as a local administrator." ZT_EOL_S,argv[0]);
return 1;
}
} else {
_winPokeAHole();
}
SetConsoleCtrlHandler(&_winConsoleCtrlHandler,TRUE);
// continues on to ordinary command line execution code below...
} else {
// Running from service manager
_winPokeAHole();
ZeroTierOneService zt1WindowsService;
if (CServiceBase::Run(zt1WindowsService) == TRUE) {
return 0;
} else {
fprintf(stderr,"%s: unable to start service (try -h for help)" ZT_EOL_S,argv[0]);
return 1;
}
}
#endif // __WINDOWS__
#ifdef __UNIX_LIKE__
#ifdef ZT_HAVE_DROP_PRIVILEGES
if (!skipRootCheck)
dropPrivileges(argv[0],homeDir);
#endif
std::string pidPath(homeDir + ZT_PATH_SEPARATOR_S + ZT_PID_PATH);
{
// Write .pid file to home folder
FILE *pf = fopen(pidPath.c_str(),"w");
if (pf) {
fprintf(pf,"%ld",(long)getpid());
fclose(pf);
}
}
#endif // __UNIX_LIKE__
_OneServiceRunner thr(argv[0],homeDir,port);
thr.threadMain();
//Thread::join(Thread::start(&thr));
#ifdef __UNIX_LIKE__
OSUtils::rm(pidPath.c_str());
#endif
return thr.returnValue;
}
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