diff options
Diffstat (limited to 'service/SoftwareUpdater.cpp')
-rw-r--r-- | service/SoftwareUpdater.cpp | 250 |
1 files changed, 39 insertions, 211 deletions
diff --git a/service/SoftwareUpdater.cpp b/service/SoftwareUpdater.cpp index d6542609..cb36dceb 100644 --- a/service/SoftwareUpdater.cpp +++ b/service/SoftwareUpdater.cpp @@ -21,6 +21,20 @@ #include <string.h> #include <stdint.h> +#ifdef __WINDOWS__ +#include <WinSock2.h> +#include <Windows.h> +#include <ShlObj.h> +#include <netioapi.h> +#include <iphlpapi.h> +#else +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/wait.h> +#include <unistd.h> +#include <ifaddrs.h> +#endif + #include "SoftwareUpdater.hpp" #include "../version.h" @@ -42,217 +56,6 @@ namespace ZeroTier { -#if 0 -#ifdef ZT_AUTO_UPDATE -#define ZT_AUTO_UPDATE_MAX_HTTP_RESPONSE_SIZE (1024 * 1024 * 64) -#define ZT_AUTO_UPDATE_CHECK_PERIOD 21600000 -class BackgroundSoftwareUpdateChecker -{ -public: - bool isValidSigningIdentity(const Identity &id) - { - return ( - /* 0001 - 0004 : obsolete, used in old versions */ - /* 0005 */ (id == Identity("ba57ea350e:0:9d4be6d7f86c5660d5ee1951a3d759aa6e12a84fc0c0b74639500f1dbc1a8c566622e7d1c531967ebceb1e9d1761342f88324a8ba520c93c35f92f35080fa23f")) - /* 0006 */ ||(id == Identity("5067b21b83:0:8af477730f5055c48135b84bed6720a35bca4c0e34be4060a4c636288b1ec22217eb22709d610c66ed464c643130c51411bbb0294eef12fbe8ecc1a1e2c63a7a")) - /* 0007 */ ||(id == Identity("4f5e97a8f1:0:57880d056d7baeb04bbc057d6f16e6cb41388570e87f01492fce882485f65a798648595610a3ad49885604e7fb1db2dd3c2c534b75e42c3c0b110ad07b4bb138")) - /* 0008 */ ||(id == Identity("580bbb8e15:0:ad5ef31155bebc6bc413991992387e083fed26d699997ef76e7c947781edd47d1997161fa56ba337b1a2b44b129fd7c7197ce5185382f06011bc88d1363b4ddd")) - ); - } - - void doUpdateCheck() - { - std::string url(OneService::autoUpdateUrl()); - if ((url.length() <= 7)||(url.substr(0,7) != "http://")) - return; - - std::string httpHost; - std::string httpPath; - { - std::size_t slashIdx = url.substr(7).find_first_of('/'); - if (slashIdx == std::string::npos) { - httpHost = url.substr(7); - httpPath = "/"; - } else { - httpHost = url.substr(7,slashIdx); - httpPath = url.substr(slashIdx + 7); - } - } - if (httpHost.length() == 0) - return; - - std::vector<InetAddress> ips(OSUtils::resolve(httpHost.c_str())); - for(std::vector<InetAddress>::iterator ip(ips.begin());ip!=ips.end();++ip) { - if (!ip->port()) - ip->setPort(80); - std::string nfoPath = httpPath + "LATEST.nfo"; - std::map<std::string,std::string> requestHeaders,responseHeaders; - std::string body; - requestHeaders["Host"] = httpHost; - unsigned int scode = Http::GET(ZT_AUTO_UPDATE_MAX_HTTP_RESPONSE_SIZE,60000,reinterpret_cast<const struct sockaddr *>(&(*ip)),nfoPath.c_str(),requestHeaders,responseHeaders,body); - //fprintf(stderr,"UPDATE %s %s %u %lu\n",ip->toString().c_str(),nfoPath.c_str(),scode,body.length()); - if ((scode == 200)&&(body.length() > 0)) { - /* NFO fields: - * - * file=<filename> - * signedBy=<signing identity> - * ed25519=<ed25519 ECC signature of archive in hex> - * vMajor=<major version> - * vMinor=<minor version> - * vRevision=<revision> */ - Dictionary<4096> nfo(body.c_str()); - char tmp[2048]; - - if (nfo.get("vMajor",tmp,sizeof(tmp)) <= 0) return; - const unsigned int vMajor = Utils::strToUInt(tmp); - if (nfo.get("vMinor",tmp,sizeof(tmp)) <= 0) return; - const unsigned int vMinor = Utils::strToUInt(tmp); - if (nfo.get("vRevision",tmp,sizeof(tmp)) <= 0) return; - const unsigned int vRevision = Utils::strToUInt(tmp); - if (Utils::compareVersion(vMajor,vMinor,vRevision,ZEROTIER_ONE_VERSION_MAJOR,ZEROTIER_ONE_VERSION_MINOR,ZEROTIER_ONE_VERSION_REVISION) <= 0) { - //fprintf(stderr,"UPDATE %u.%u.%u is not newer than our version\n",vMajor,vMinor,vRevision); - return; - } - - if (nfo.get("signedBy",tmp,sizeof(tmp)) <= 0) return; - Identity signedBy; - if ((!signedBy.fromString(tmp))||(!isValidSigningIdentity(signedBy))) { - //fprintf(stderr,"UPDATE invalid signedBy or not authorized signing identity.\n"); - return; - } - - if (nfo.get("file",tmp,sizeof(tmp)) <= 0) return; - std::string filePath(tmp); - if ((!filePath.length())||(filePath.find("..") != std::string::npos)) - return; - filePath = httpPath + filePath; - - std::string fileData; - if (Http::GET(ZT_AUTO_UPDATE_MAX_HTTP_RESPONSE_SIZE,60000,reinterpret_cast<const struct sockaddr *>(&(*ip)),filePath.c_str(),requestHeaders,responseHeaders,fileData) != 200) { - //fprintf(stderr,"UPDATE GET %s failed\n",filePath.c_str()); - return; - } - - if (nfo.get("ed25519",tmp,sizeof(tmp)) <= 0) return; - std::string ed25519(Utils::unhex(tmp)); - if ((ed25519.length() == 0)||(!signedBy.verify(fileData.data(),(unsigned int)fileData.length(),ed25519.data(),(unsigned int)ed25519.length()))) { - //fprintf(stderr,"UPDATE %s failed signature check!\n",filePath.c_str()); - return; - } - - /* --------------------------------------------------------------- */ - /* We made it! Begin OS-specific installation code. */ - -#ifdef __APPLE__ - /* OSX version is in the form of a MacOSX .pkg file, so we will - * launch installer (normally in /usr/sbin) to install it. It will - * then turn around and shut down the service, update files, and - * relaunch. */ - { - char bashp[128],pkgp[128]; - Utils::snprintf(bashp,sizeof(bashp),"/tmp/ZeroTierOne-update-%u.%u.%u.sh",vMajor,vMinor,vRevision); - Utils::snprintf(pkgp,sizeof(pkgp),"/tmp/ZeroTierOne-update-%u.%u.%u.pkg",vMajor,vMinor,vRevision); - FILE *pkg = fopen(pkgp,"w"); - if ((!pkg)||(fwrite(fileData.data(),fileData.length(),1,pkg) != 1)) { - fclose(pkg); - unlink(bashp); - unlink(pkgp); - fprintf(stderr,"UPDATE error writing %s\n",pkgp); - return; - } - fclose(pkg); - FILE *bash = fopen(bashp,"w"); - if (!bash) { - fclose(pkg); - unlink(bashp); - unlink(pkgp); - fprintf(stderr,"UPDATE error writing %s\n",bashp); - return; - } - fprintf(bash, - "#!/bin/bash\n" - "export PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin\n" - "sleep 1\n" - "installer -pkg \"%s\" -target /\n" - "sleep 1\n" - "rm -f \"%s\" \"%s\"\n" - "exit 0\n", - pkgp, - pkgp, - bashp); - fclose(bash); - long pid = (long)vfork(); - if (pid == 0) { - setsid(); // detach from parent so that shell isn't killed when parent is killed - signal(SIGHUP,SIG_IGN); - signal(SIGTERM,SIG_IGN); - signal(SIGQUIT,SIG_IGN); - execl("/bin/bash","/bin/bash",bashp,(char *)0); - exit(0); - } - } -#endif // __APPLE__ - -#ifdef __WINDOWS__ - /* Windows version comes in the form of .MSI package that - * takes care of everything. */ - { - char tempp[512],batp[512],msip[512],cmdline[512]; - if (GetTempPathA(sizeof(tempp),tempp) <= 0) - return; - CreateDirectoryA(tempp,(LPSECURITY_ATTRIBUTES)0); - Utils::snprintf(batp,sizeof(batp),"%s\\ZeroTierOne-update-%u.%u.%u.bat",tempp,vMajor,vMinor,vRevision); - Utils::snprintf(msip,sizeof(msip),"%s\\ZeroTierOne-update-%u.%u.%u.msi",tempp,vMajor,vMinor,vRevision); - FILE *msi = fopen(msip,"wb"); - if ((!msi)||(fwrite(fileData.data(),(size_t)fileData.length(),1,msi) != 1)) { - fclose(msi); - return; - } - fclose(msi); - FILE *bat = fopen(batp,"wb"); - if (!bat) - return; - fprintf(bat, - "TIMEOUT.EXE /T 1 /NOBREAK\r\n" - "NET.EXE STOP \"ZeroTierOneService\"\r\n" - "TIMEOUT.EXE /T 1 /NOBREAK\r\n" - "MSIEXEC.EXE /i \"%s\" /qn\r\n" - "TIMEOUT.EXE /T 1 /NOBREAK\r\n" - "NET.EXE START \"ZeroTierOneService\"\r\n" - "DEL \"%s\"\r\n" - "DEL \"%s\"\r\n", - msip, - msip, - batp); - fclose(bat); - STARTUPINFOA si; - PROCESS_INFORMATION pi; - memset(&si,0,sizeof(si)); - memset(&pi,0,sizeof(pi)); - Utils::snprintf(cmdline,sizeof(cmdline),"CMD.EXE /c \"%s\"",batp); - CreateProcessA(NULL,cmdline,NULL,NULL,FALSE,CREATE_NO_WINDOW|CREATE_NEW_PROCESS_GROUP,NULL,NULL,&si,&pi); - } -#endif // __WINDOWS__ - - /* --------------------------------------------------------------- */ - - return; - } // else try to fetch from next IP address - } - } - - void threadMain() - throw() - { - try { - this->doUpdateCheck(); - } catch ( ... ) {} - } -}; -static BackgroundSoftwareUpdateChecker backgroundSoftwareUpdateChecker; -#endif // ZT_AUTO_UPDATE -#endif - SoftwareUpdater::SoftwareUpdater(Node &node,const std::string &homePath) : _node(node), _lastCheckTime(0), @@ -531,6 +334,31 @@ bool SoftwareUpdater::check(const uint64_t now) void SoftwareUpdater::apply() { + std::string updatePath(_homePath + ZT_PATH_SEPARATOR_S ZT_SOFTWARE_UPDATE_BIN_FILENAME); + if ((_latestMeta.is_object())&&(_latestValid)&&(OSUtils::fileExists(updatePath.c_str(),false))) { +#ifdef __WINDOWS__ + std::string cmdArgs = " "; + cmdArgs.append(OSUtils::jsonString(_latestMeta[ZT_SOFTWARE_UPDATE_JSON_UPDATE_EXEC_ARGS],"")); + if (cmdArgs.length() == 1) cmdArgs = std::string(); + STARTUPINFOA si; + PROCESS_INFORMATION pi; + memset(&si,0,sizeof(si)); + memset(&pi,0,sizeof(pi)); + CreateProcessA(NULL,(updatePath + cmdArgs).c_str(),NULL,NULL,FALSE,CREATE_NO_WINDOW|CREATE_NEW_PROCESS_GROUP,NULL,NULL,&si,&pi); +#else + char *argv[256]; + unsigned long ac = 0; + argv[ac++] = const_cast<char *>(updatePath.c_str()); + std::vector<std::string> argsSplit(OSUtils::split(OSUtils::jsonString(_latestMeta[ZT_SOFTWARE_UPDATE_JSON_UPDATE_EXEC_ARGS],"").c_str()," ","\\","\"")); + for(std::vector<std::string>::iterator a(argsSplit.begin());a!=argsSplit.end();++a) { + argv[ac] = const_cast<char *>(a->c_str()); + if (++ac == 255) break; + } + argv[ac] = (char *)0; + chmod(updatePath.c_str(),0700); + execv(updatePath.c_str(),argv); +#endif + } } } // namespace ZeroTier |