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91ca238163
ZeroTierOne/one.cpp
Adam Ierymenko 91ca238163 Compile fixes.
2015-04-15 18:47:38 -07:00

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/*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <errno.h>
#ifdef __WINDOWS__
#include <WinSock2.h>
#include <Windows.h>
#include <tchar.h>
#include <wchar.h>
#include <lmcons.h>
#include <newdev.h>
#include <atlbase.h>
#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 <signal.h>
#endif
#include <string>
#include <stdexcept>
#include "version.h"
#include "include/ZeroTierOne.h"
#include "node/Constants.hpp"
#include "node/Identity.hpp"
#include "node/CertificateOfMembership.hpp"
#include "node/Utils.hpp"
#include "node/NetworkController.hpp"
#include "osdep/OSUtils.hpp"
#include "service/OneService.hpp"
#ifdef ZT_ENABLE_NETWORK_CONTROLLER
#include "controller/SqliteNetworkController.hpp"
#endif
#define ZT1_AUTHTOKEN_SECRET_PATH "authtoken.secret"
#define ZT1_PID_PATH "zerotier-one.pid"
#define ZT1_CONTROLLER_DB_PATH "controller.db"
using namespace ZeroTier;
static OneService *volatile zt1Service = (OneService *)0;
/****************************************************************************/
/* zerotier-cli personality */
/****************************************************************************/
#ifdef __WINDOWS__
int cli(int argc, _TCHAR* argv[])
#else
int cli(int argc,char **argv)
#endif
{
}
/****************************************************************************/
/* zerotier-idtool personality */
/****************************************************************************/
static void idtoolPrintHelp(FILE *out,const char *pn)
{
fprintf(out,"Usage: %s <command> [<args>]"ZT_EOL_S""ZT_EOL_S"Commands:"ZT_EOL_S,pn);
fprintf(out," generate [<identity.secret>] [<identity.public>]"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," mkcom <identity.secret> [<id,value,maxDelta> ...] (hexadecimal integers)"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))
return id;
}
}
return Identity();
}
#ifdef __WINDOWS__
int idtool(int argc, _TCHAR* argv[])
#else
int idtool(int argc,char **argv)
#endif
{
if (argc < 2) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
if (!strcmp(argv[1],"generate")) {
Identity id;
id.generate();
std::string idser = id.toString(true);
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);
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;
}
printf("%s",id.toString(false).c_str());
} 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());
printf("%s",Utils::hex(signature.data,(unsigned int)signature.size()).c_str());
} else if (!strcmp(argv[1],"verify")) {
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;
}
std::string inf;
if (!OSUtils::readFile(argv[3],inf)) {
fprintf(stderr,"%s is not readable"ZT_EOL_S,argv[3]);
return 1;
}
std::string signature(Utils::unhex(argv[4]));
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 if (!strcmp(argv[1],"mkcom")) {
if (argc < 3) {
idtoolPrintHelp(stdout,argv[0]);
return 1;
}
Identity id = getIdFromArg(argv[2]);
if ((!id)||(!id.hasPrivate())) {
fprintf(stderr,"Identity argument invalid, does not include private key, or file unreadable: %s"ZT_EOL_S,argv[2]);
return 1;
}
CertificateOfMembership com;
for(int a=3;a<argc;++a) {
std::vector<std::string> params(Utils::split(argv[a],",","",""));
if (params.size() == 3) {
uint64_t qId = Utils::hexStrToU64(params[0].c_str());
uint64_t qValue = Utils::hexStrToU64(params[1].c_str());
uint64_t qMaxDelta = Utils::hexStrToU64(params[2].c_str());
com.setQualifier(qId,qValue,qMaxDelta);
}
}
if (!com.sign(id)) {
fprintf(stderr,"Signature of certificate of membership failed."ZT_EOL_S);
return 1;
}
printf("%s",com.toString().c_str());
} 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 _sighandlerQuit(int sig)
{
OneService *s = zt1Service;
if (s)
s->terminate();
else exit(0);
}
#endif
/****************************************************************************/
/* 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:
Node *n = node;
if (n)
n->terminate(Node::NODE_NORMAL_TERMINATION,"terminated by signal");
return TRUE;
}
return FALSE;
}
// Pokes a hole in the Windows firewall (advfirewall) for the running program
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,0,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,0,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,0,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,"ZeroTier One version %d.%d.%d"ZT_EOL_S"(c)2011-2015 ZeroTier, Inc."ZT_EOL_S,ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION);
fprintf(out,"Licensed under the GNU General Public License v3"ZT_EOL_S""ZT_EOL_S);
fprintf(out,"Usage: %s [-switches] [home directory] [-q <query>]"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," -p<port> - Port for UDP and TCP/HTTP (default: 9993)"ZT_EOL_S);
//fprintf(out," -T<path> - Override root topology, do not authenticate or update"ZT_EOL_S);
#ifdef __UNIX_LIKE__
fprintf(out," -d - Fork and run as daemon (Unix-ish OSes)"ZT_EOL_S);
#endif // __UNIX_LIKE__
fprintf(out," -q - Send a query to a running service (zerotier-cli)"ZT_EOL_S);
fprintf(out," -i - Generate and manage identities (zerotier-idtool)"ZT_EOL_S);
#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 - Load tap driver into system driver store (Windows)"ZT_EOL_S);
#endif // __WINDOWS__
}
#ifdef __WINDOWS__
int _tmain(int argc, _TCHAR* argv[])
#else
int main(int argc,char **argv)
#endif
{
#ifdef __UNIX_LIKE__
signal(SIGHUP,&_sighandlerHup);
signal(SIGPIPE,SIG_IGN);
signal(SIGUSR1,SIG_IGN);
signal(SIGUSR2,SIG_IGN);
signal(SIGALRM,SIG_IGN);
signal(SIGINT,&_sighandlerQuit);
signal(SIGTERM,&_sighandlerQuit);
signal(SIGQUIT,&_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-cli"))||(strstr(argv[0],"ZEROTIER-CLI")))
return cli(argc,argv);
if ((strstr(argv[0],"zerotier-idtool"))||(strstr(argv[0],"ZEROTIER-IDTOOL")))
return idtool(argc,argv);
std::string overrideRootTopology;
std::string homeDir;
unsigned int port = ZT1_DEFAULT_PORT;
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)||(port == 0)) {
printHelp(argv[0],stdout);
return 1;
}
break;
case 't': // TCP port -- ignore, since we now bind to both UDP and TCP on the same port
break;
#ifdef __UNIX_LIKE__
case 'd': // Run in background as daemon
runAsDaemon = true;
break;
#endif // __UNIX_LIKE__
case 'T': // Override root topology
if (argv[i][2]) {
if (!OSUtils::readFile(argv[i] + 2,overrideRootTopology)) {
fprintf(stderr,"%s: cannot read root topology from %s"ZT_EOL_S,argv[0],argv[i] + 2);
return 1;
}
} else {
printHelp(argv[0],stdout);
return 1;
}
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 'q': // Invoke cli personality
if (argv[i][2]) {
printHelp(argv[0],stdout);
return 0;
} else return cli(argc,argv);
case 'i': // Invoke idtool personality
if (argv[i][2]) {
printHelp(argv[0],stdout);
return 0;
} else return idtool(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;
#if 0
case 'D': { // Install Windows driver (since PNPUTIL.EXE seems to be weirdly unreliable)
std::string pathToInf;
#ifdef _WIN64
pathToInf = ZT_DEFAULTS.defaultHomePath + "\\tap-windows\\x64\\zttap200.inf";
#else
pathToInf = ZT_DEFAULTS.defaultHomePath + "\\tap-windows\\x86\\zttap200.inf";
#endif
printf("Installing ZeroTier One virtual Ethernet port driver."ZT_EOL_S""ZT_EOL_S"NOTE: If you don't see a confirmation window to allow driver installation,"ZT_EOL_S"check to make sure it didn't appear under the installer."ZT_EOL_S);
BOOL needReboot = FALSE;
if (DiInstallDriverA(NULL,pathToInf.c_str(),DIIRFLAG_FORCE_INF,&needReboot)) {
printf("%s: driver successfully installed from %s"ZT_EOL_S,argv[0],pathToInf.c_str());
return 0;
} else {
printf("%s: failed installing %s: %d"ZT_EOL_S,argv[0],pathToInf.c_str(),(int)GetLastError());
return 3;
}
} break;
#endif // __WINDOWS__
#endif
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(Utils::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");
}
}
}
std::string authToken;
{
std::string authTokenPath(homeDir + ZT_PATH_SEPARATOR_S + ZT1_AUTHTOKEN_SECRET_PATH);
if (!OSUtils::readFile(authTokenPath.c_str(),authToken)) {
unsigned char foo[24];
Utils::getSecureRandom(foo,sizeof(foo));
authToken = "";
for(unsigned int i=0;i<sizeof(foo);++i)
authToken.push_back("abcdefghijklmnopqrstuvwxyz0123456789"[(unsigned long)foo[i] % 36]);
if (!OSUtils::writeFile(authTokenPath.c_str(),authToken)) {
fprintf(stderr,"%s: cannot create authtoken.secret"ZT_EOL_S,argv[0]);
return 1;
} else OSUtils::lockDownFile(authTokenPath.c_str(),false);
}
}
authToken = Utils::trim(authToken);
#ifdef __UNIX_LIKE__
if (getuid() != 0) {
fprintf(stderr,"%s: must be run as root (uid 0)"ZT_EOL_S,argv[0]);
return 1;
}
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
}
{
// Write .pid file to home folder
std::string pidPath(homeDir + ZT_PATH_SEPARATOR_S + ZT1_PID_PATH);
FILE *pf = fopen(pidPath.c_str(),"w");
if (pf) {
fprintf(pf,"%ld",(long)getpid());
fclose(pf);
}
}
#endif // __UNIX_LIKE__
#ifdef __WINDOWS__
if (winRunFromCommandLine) {
// Running in "interactive" mode (mostly for debugging)
if (IsCurrentUserLocalAdministrator() != TRUE) {
fprintf(stderr,"%s: must be run as a local administrator."ZT_EOL_S,argv[0]);
return 1;
}
_winPokeAHole();
SetConsoleCtrlHandler(&_winConsoleCtrlHandler,TRUE);
// continues on to ordinary command line execution code below...
} else {
// Running from service manager
_winPokeAHole();
ZeroTierOneService zt1Service;
if (CServiceBase::Run(zt1Service) == TRUE) {
return 0;
} else {
fprintf(stderr,"%s: unable to start service (try -h for help)"ZT_EOL_S,argv[0]);
return 1;
}
}
#endif // __WINDOWS__
NetworkController *controller = (NetworkController *)0;
#ifdef ZT_ENABLE_NETWORK_CONTROLLER
try {
controller = new SqliteNetworkController((homeDir + ZT_PATH_SEPARATOR_S + ZT1_CONTROLLER_DB_PATH).c_str());
} catch (std::exception &exc) {
fprintf(stderr,"%s: failure initializing SqliteNetworkController: %s"ZT_EOL_S,argv[0],exc.what());
return 1;
} catch ( ... ) {
fprintf(stderr,"%s: failure initializing SqliteNetworkController: unknown exception"ZT_EOL_S,argv[0]);
return 1;
}
#endif // ZT_ENABLE_NETWORK_CONTROLLER
unsigned int returnValue = 0;
try {
for(;;) {
zt1Service = OneService::newInstance(homeDir.c_str(),port,controller,(overrideRootTopology.length() > 0) ? overrideRootTopology.c_str() : (const char *)0);
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,argv[0],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
}
} catch (std::exception &exc) {
fprintf(stderr,"%s: fatal error: %s"ZT_EOL_S,argv[0],exc.what());
returnValue = 1;
} catch ( ... ) {
fprintf(stderr,"%s: fatal error: unknown exception"ZT_EOL_S,argv[0]);
returnValue = 1;
}
delete zt1Service;
zt1Service = (OneService *)0;
delete controller;
return returnValue;
}
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