mirror of
https://git.wownero.com/wownero/wownero.git
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322 lines
10 KiB
C
322 lines
10 KiB
C
/*
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* winrc/w_inst.h - install and remove functions
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*
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* Copyright (c) 2009, NLnet Labs. All rights reserved.
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*
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* This software is open source.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of the NLNET LABS nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* \file
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*
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* Contains install and remove functions that manipulate the
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* windows services API and windows registry.
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*/
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#include "config.h"
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#include "winrc/w_inst.h"
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#include "winrc/win_svc.h"
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void wsvc_err2str(char* str, size_t len, const char* fixed, DWORD err)
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{
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LPTSTR buf;
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if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_ALLOCATE_BUFFER,
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NULL, err, 0, (LPTSTR)&buf, 0, NULL) == 0) {
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/* could not format error message */
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snprintf(str, len, "%s GetLastError=%d", fixed, (int)err);
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return;
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}
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snprintf(str, len, "%s (err=%d): %s", fixed, (int)err, buf);
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LocalFree(buf);
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}
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/** exit with windows error */
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static void
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fatal_win(FILE* out, const char* str)
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{
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char e[256];
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wsvc_err2str(e, sizeof(e), str, (int)GetLastError());
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if(out) fprintf(out, "%s\n", e);
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else fprintf(stderr, "%s\n", e);
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exit(1);
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}
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/** install registry entries for eventlog */
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static void
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event_reg_install(FILE* out, const char* pathname)
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{
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char buf[1024];
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HKEY hk;
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DWORD t;
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if(out) fprintf(out, "install reg entries for %s\n", pathname);
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snprintf(buf, sizeof(buf), "SYSTEM\\CurrentControlSet\\Services"
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"\\EventLog\\Application\\%s", SERVICE_NAME);
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if(RegCreateKeyEx(HKEY_LOCAL_MACHINE, (LPCTSTR)buf,
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0, /* reserved, mustbezero */
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NULL, /* class of key, ignored */
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REG_OPTION_NON_VOLATILE, /* values saved on disk */
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KEY_WRITE, /* we want write permission */
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NULL, /* use default security descriptor */
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&hk, /* result */
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NULL)) /* not interested if key new or existing */
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fatal_win(out, "could not create registry key");
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/* message file */
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if(RegSetValueEx(hk, (LPCTSTR)"EventMessageFile",
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0, /* reserved, mustbezero */
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REG_EXPAND_SZ, /* value type (string w env subst) */
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(BYTE*)pathname, /* data */
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(DWORD)strlen(pathname)+1)) /* length of data */
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{
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RegCloseKey(hk);
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fatal_win(out, "could not registry set EventMessageFile");
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}
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/* event types */
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t = EVENTLOG_SUCCESS | EVENTLOG_ERROR_TYPE | EVENTLOG_WARNING_TYPE
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| EVENTLOG_INFORMATION_TYPE;
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if(RegSetValueEx(hk, (LPCTSTR)"TypesSupported", 0, REG_DWORD,
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(LPBYTE)&t, sizeof(t))) {
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RegCloseKey(hk);
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fatal_win(out, "could not registry set TypesSupported");
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}
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/* category message file */
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if(RegSetValueEx(hk, (LPCTSTR)"CategoryMessageFile", 0, REG_EXPAND_SZ,
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(BYTE*)pathname, (DWORD)strlen(pathname)+1)) {
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RegCloseKey(hk);
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fatal_win(out, "could not registry set CategoryMessageFile");
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}
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t = 1;
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if(RegSetValueEx(hk, (LPCTSTR)"CategoryCount", 0, REG_DWORD,
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(LPBYTE)&t, sizeof(t))) {
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RegCloseKey(hk);
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fatal_win(out, "could not registry set CategoryCount");
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}
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RegCloseKey(hk);
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if(out) fprintf(out, "installed reg entries\n");
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}
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/** remove registry entries for eventlog */
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static void
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event_reg_remove(FILE* out)
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{
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char buf[1024];
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HKEY hk;
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if(out) fprintf(out, "remove reg entries\n");
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snprintf(buf, sizeof(buf), "SYSTEM\\CurrentControlSet\\Services"
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"\\EventLog\\Application");
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if(RegCreateKeyEx(HKEY_LOCAL_MACHINE, (LPCTSTR)buf,
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0, /* reserved, mustbezero */
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NULL, /* class of key, ignored */
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REG_OPTION_NON_VOLATILE, /* values saved on disk */
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DELETE, /* we want key delete permission */
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NULL, /* use default security descriptor */
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&hk, /* result */
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NULL)) /* not interested if key new or existing */
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fatal_win(out, "could not open registry key");
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if(RegDeleteKey(hk, (LPCTSTR)SERVICE_NAME)) {
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RegCloseKey(hk);
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fatal_win(out, "could not delete registry key");
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}
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RegCloseKey(hk);
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if(out) fprintf(out, "removed reg entries\n");
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}
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/**
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* put quotes around string. Needs one space in front
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* @param out: debugfile
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* @param str: to be quoted.
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* @param maxlen: max length of the string buffer.
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*/
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static void
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quote_it(FILE* out, char* str, size_t maxlen)
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{
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if(strlen(str) == maxlen) {
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if(out) fprintf(out, "string too long %s", str);
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exit(1);
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}
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str[0]='"';
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str[strlen(str)+1]=0;
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str[strlen(str)]='"';
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}
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/** change suffix */
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static void
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change(FILE* out, char* path, size_t max, const char* from, const char* to)
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{
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size_t fromlen = strlen(from);
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size_t tolen = strlen(to);
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size_t pathlen = strlen(path);
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if(pathlen - fromlen + tolen >= max) {
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if(out) fprintf(out, "string too long %s", path);
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exit(1);
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}
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snprintf(path+pathlen-fromlen, max-(pathlen-fromlen), "%s", to);
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}
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/* Install service in servicecontrolmanager */
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void
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wsvc_install(FILE* out, const char* rename)
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{
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SC_HANDLE scm;
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SC_HANDLE sv;
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TCHAR path[2*MAX_PATH+4+256];
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TCHAR path_config[2*MAX_PATH+4+256];
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if(out) fprintf(out, "installing unbound service\n");
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if(!GetModuleFileName(NULL, path+1, MAX_PATH))
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fatal_win(out, "could not GetModuleFileName");
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/* change 'unbound-service-install' to 'unbound' */
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if(rename) {
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change(out, path+1, sizeof(path)-1, rename, "unbound.exe");
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memmove(path_config+1, path+1, sizeof(path)-1);
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change(out, path_config+1, sizeof(path_config)-1,
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"unbound.exe", "service.conf");
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}
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event_reg_install(out, path+1);
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/* have to quote it because of spaces in directory names */
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/* could append arguments to be sent to ServiceMain */
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quote_it(out, path, sizeof(path));
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/* if we started in a different directory, also read config from it. */
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if(rename) {
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quote_it(out, path_config, sizeof(path_config));
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strcat(path, " -c ");
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strcat(path, path_config);
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}
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strcat(path, " -w service");
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scm = OpenSCManager(NULL, NULL, (int)SC_MANAGER_CREATE_SERVICE);
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if(!scm) fatal_win(out, "could not OpenSCManager");
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sv = CreateService(
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scm,
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SERVICE_NAME, /* name of service */
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"Unbound DNS validator", /* display name */
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SERVICE_ALL_ACCESS, /* desired access */
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SERVICE_WIN32_OWN_PROCESS, /* service type */
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SERVICE_AUTO_START, /* start type */
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SERVICE_ERROR_NORMAL, /* error control type */
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path, /* path to service's binary */
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NULL, /* no load ordering group */
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NULL, /* no tag identifier */
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NULL, /* no deps */
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NULL, /* on LocalSystem */
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NULL /* no password */
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);
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if(!sv) {
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CloseServiceHandle(scm);
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fatal_win(out, "could not CreateService");
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}
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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if(out) fprintf(out, "unbound service installed\n");
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}
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/* Remove installed service from servicecontrolmanager */
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void
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wsvc_remove(FILE* out)
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{
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SC_HANDLE scm;
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SC_HANDLE sv;
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if(out) fprintf(out, "removing unbound service\n");
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scm = OpenSCManager(NULL, NULL, (int)SC_MANAGER_ALL_ACCESS);
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if(!scm) fatal_win(out, "could not OpenSCManager");
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sv = OpenService(scm, SERVICE_NAME, DELETE);
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if(!sv) {
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CloseServiceHandle(scm);
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fatal_win(out, "could not OpenService");
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}
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if(!DeleteService(sv)) {
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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fatal_win(out, "could not DeleteService");
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}
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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event_reg_remove(out);
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if(out) fprintf(out, "unbound service removed\n");
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}
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/* Start daemon */
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void
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wsvc_rc_start(FILE* out)
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{
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SC_HANDLE scm;
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SC_HANDLE sv;
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if(out) fprintf(out, "start unbound service\n");
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scm = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if(!scm) fatal_win(out, "could not OpenSCManager");
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sv = OpenService(scm, SERVICE_NAME, SERVICE_START);
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if(!sv) {
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CloseServiceHandle(scm);
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fatal_win(out, "could not OpenService");
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}
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if(!StartService(sv, 0, NULL)) {
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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fatal_win(out, "could not StartService");
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}
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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if(out) fprintf(out, "unbound service started\n");
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}
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/* Stop daemon */
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void
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wsvc_rc_stop(FILE* out)
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{
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SC_HANDLE scm;
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SC_HANDLE sv;
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SERVICE_STATUS st;
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if(out) fprintf(out, "stop unbound service\n");
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scm = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
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if(!scm) fatal_win(out, "could not OpenSCManager");
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sv = OpenService(scm, SERVICE_NAME, SERVICE_STOP);
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if(!sv) {
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CloseServiceHandle(scm);
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fatal_win(out, "could not OpenService");
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}
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if(!ControlService(sv, SERVICE_CONTROL_STOP, &st)) {
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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fatal_win(out, "could not ControlService");
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}
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CloseServiceHandle(sv);
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CloseServiceHandle(scm);
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if(out) fprintf(out, "unbound service stopped\n");
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}
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