mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-29 17:28:52 +00:00
291 lines
8.0 KiB
C
291 lines
8.0 KiB
C
/*
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* ZeroTier One - Global Peer to Peer Ethernet
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* Copyright (C) 2012-2013 ZeroTier Networks LLC
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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/*
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* This can be run to install ZT1 for the first time or to update it. It
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* carries all payloads internally as LZ4 compressed blobs.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "node/Constants.hpp"
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#include "version.h"
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#ifdef __WINDOWS__
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#include <Windows.h>
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#include <tchar.h>
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#include <wchar.h>
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#else
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#include <unistd.h>
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#include <pwd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <signal.h>
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#endif
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#include "ext/lz4/lz4.h"
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#include "ext/lz4/lz4hc.h"
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/* Include LZ4 comrpessed blobs ********************************************/
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/* zerotier-one binary (or zerotier-one.exe for Windows) */
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#include "installer-build/zerotier_one.h"
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/* Unix uninstall script, installed in home for user to remove */
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#ifdef __UNIX_LIKE__
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#include "installer-build/uninstall_sh.h"
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#endif
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/* Linux init.d script */
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#ifdef __LINUX__
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#include "installer-build/linux__init_d__zerotier_one.h"
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#endif
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/* Apple Tap device driver and /Applications app */
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#ifdef __APPLE__
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#include "installer-build/tap_mac__Info_plist.h"
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#include "installer-build/tap_mac__tap.h"
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#endif
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/* Windows Tap device drivers for x86 and x64 (installer will be x86) */
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#ifdef __WINDOWS__
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#include "installer-build/tap_windows__x64__ztTap100_sys.h"
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#include "installer-build/tap_windows__x64__ztTap100_inf.h"
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#include "installer-build/tap_windows__x86__ztTap100_sys.h"
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#include "installer-build/tap_windows__x86__ztTap100_inf.h"
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#include "installer-build/tap_windows__devcon32_exe.h"
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#include "installer-build/tap_windows__devcon64_exe.h"
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#endif
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/***************************************************************************/
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static unsigned char *_unlz4(const void *lz4,int decompressedLen)
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{
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unsigned char *buf = (unsigned char *)malloc(decompressedLen);
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if (!buf)
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return (unsigned char *)0;
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if (LZ4_decompress_fast((const char *)lz4,(char *)buf,decompressedLen) <= 0) {
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free(buf);
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return (unsigned char *)0;
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}
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return buf;
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}
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static int _putBlob(const void *lz4,int decompressedLen,const char *path,int executable,int protect,int preserveOwnership)
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{
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unsigned char *data = _unlz4(lz4,decompressedLen);
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if (!data)
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return 0;
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#ifdef __WINDOWS__
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DeleteFileA(path);
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#else
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struct stat oldModes;
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int hasOldModes = ((stat(path,&oldModes) == 0) ? 1 : 0);
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unlink(path);
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#endif
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FILE *f = fopen(path,"wb");
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if (!f) {
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free(data);
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return 0;
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}
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if (fwrite(data,decompressedLen,1,f) != 1) {
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fclose(f);
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free(data);
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#ifdef __WINDOWS__
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DeleteFileA(path);
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#else
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unlink(path);
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#endif
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return 0;
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}
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fclose(f);
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#ifdef __WINDOWS__
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/* TODO: Windows exec/prot/etc. */
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#else
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if (executable) {
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if (protect)
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chmod(path,0700);
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else chmod(path,0755);
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} else {
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if (protect)
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chmod(path,0600);
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else chmod(path,0644);
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}
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if (preserveOwnership&&hasOldModes)
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chown(path,oldModes.st_uid,oldModes.st_gid);
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else chown(path,0,0);
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#endif
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free(data);
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return 1;
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}
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#define putBlob(name,path,exec,prot,pres) _putBlob((name),(name##_UNCOMPRESSED_LEN),(path),(exec),(prot),(pres))
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#ifdef __WINDOWS__
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int _tmain(int argc, _TCHAR* argv[])
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#else
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int main(int argc,char **argv)
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#endif
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{
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#ifdef __UNIX_LIKE__ /******************************************************/
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char buf[4096];
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if (getuid() != 0) {
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printf("! ZeroTier One installer must be run as root.\n");
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return 2;
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}
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printf("# ZeroTier One installer/updater starting...\n");
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/* Create home folder */
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const char *zthome;
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#ifdef __APPLE__
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mkdir("/Library/Application Support/ZeroTier",0755);
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chmod("/Library/Application Support/ZeroTier",0755);
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chown("/Library/Application Support/ZeroTier",0,0);
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printf("mkdir /Library/Application Support/ZeroTier\n");
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mkdir(zthome = "/Library/Application Support/ZeroTier/One",0755);
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#else
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mkdir("/var/lib",0755);
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printf("mkdir /var/lib\n");
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mkdir(zthome = "/var/lib/zerotier-one",0755);
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#endif
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chmod(zthome,0755);
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chown(zthome,0,0);
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printf("mkdir %s\n",zthome);
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/* Write main ZT1 binary */
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sprintf(buf,"%s/zerotier-one",zthome);
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if (!putBlob(zerotier_one,buf,1,0,0)) {
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printf("! unable to write %s\n",buf);
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return 1;
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}
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printf("write %s\n",buf);
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/* Create command line interface symlink */
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unlink("/usr/bin/zerotier-cli");
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symlink(buf,"/usr/bin/zerotier-cli");
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printf("link %s /usr/bin/zerotier-cli\n",buf);
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/* Write uninstall script into home folder */
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sprintf(buf,"%s/uninstall.sh",zthome);
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if (!putBlob(uninstall_sh,buf,1,0,0)) {
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printf("! unable to write %s\n",buf);
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return 1;
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}
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printf("write %s\n",buf);
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#ifdef __APPLE__
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/* Write tap.kext into home folder */
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sprintf(buf,"%s/tap.kext",zthome);
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mkdir(buf,0755);
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chmod(buf,0755);
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chown(buf,0,0);
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printf("mkdir %s\n",buf);
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sprintf(buf,"%s/tap.kext/Contents",zthome);
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mkdir(buf,0755);
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chmod(buf,0755);
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chown(buf,0,0);
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printf("mkdir %s\n",buf);
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sprintf(buf,"%s/tap.kext/Contents/MacOS",zthome);
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mkdir(buf,0755);
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chmod(buf,0755);
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chown(buf,0,0);
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printf("mkdir %s\n",buf);
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sprintf(buf,"%s/tap.kext/Contents/Info.plist",zthome);
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if (!putBlob(tap_mac__Info_plist,buf,0,0,0)) {
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printf("! unable to write %s\n",buf);
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return 1;
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}
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printf("write %s\n",buf);
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sprintf(buf,"%s/tap.kext/Contents/MacOS/tap",zthome);
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if (!putBlob(tap_mac__tap,buf,1,0,0)) {
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printf("! unable to write %s\n",buf);
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return 1;
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}
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printf("write %s\n",buf);
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/* Write or update GUI application into /Applications */
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/* Write Apple startup item stuff, set to start on boot */
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#endif
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#ifdef __LINUX__
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/* Write Linux init script */
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sprintf(buf,"/etc/init.d/zerotier-one");
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if (!putBlob(linux__init_d__zerotier_one,buf,1,0,0)) {
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printf("! unable to write %s\n",buf);
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return 1;
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}
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printf("write %s\n",buf);
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/* Link init script to all the proper places for startup/shutdown */
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symlink("/etc/init.d/zerotier-one","/etc/rc0.d/K89zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc0.d/K89zerotier-one\n");
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symlink("/etc/init.d/zerotier-one","/etc/rc2.d/S11zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc2.d/S11zerotier-one\n");
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symlink("/etc/init.d/zerotier-one","/etc/rc3.d/S11zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc3.d/S11zerotier-one\n");
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symlink("/etc/init.d/zerotier-one","/etc/rc4.d/S11zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc4.d/S11zerotier-one\n");
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symlink("/etc/init.d/zerotier-one","/etc/rc5.d/S11zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc5.d/S11zerotier-one\n");
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symlink("/etc/init.d/zerotier-one","/etc/rc6.d/S11zerotier-one");
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printf("link /etc/init.d/zerotier-one /etc/rc6.d/S11zerotier-one\n");
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#endif
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printf("# Done!\n");
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/* -s causes this to (re?)start ZeroTier One after install/update */
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if ((argc > 1)&&(!strcmp(argv[1],"-s"))) {
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sprintf(buf,"%s/zerotier-one",zthome);
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printf("> -s specified, proceeding to exec(%s)\n",zthome);
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execl(buf,buf,(char *)0);
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return 3;
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}
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#endif /* __UNIX_LIKE__ ****************************************************/
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#ifdef __WINDOWS__ /********************************************************/
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#endif /* __WINDOWS__ ******************************************************/
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return 0;
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}
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