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NSIS/Source/exehead/exec.c
anders_k 41bb557cbc Added !uninstfinalize (patch 280) 
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7294 212acab6-be3b-0410-9dea-997c60f758d6
2021-08-18 13:53:50 +00:00

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/*
* exec.c
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2021 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*
* Unicode support by Jim Park -- 08/13/2007
*/
#include "../Platform.h"
#include <shlobj.h>
#include "fileform.h"
#include "util.h"
#include "state.h"
#include "ui.h"
#include "components.h"
#include "exec.h"
#include "plugin.h"
#include "lang.h"
#include "resource.h"
#include "api.h"
#include "../tchar.h"
#define EXEC_ERROR 0x7FFFFFFF
#ifdef NSIS_CONFIG_COMPONENTPAGE
HWND g_SectionHack;
#endif
#ifdef NSIS_SUPPORT_STACK
typedef struct _stack_t {
struct _stack_t *next;
TCHAR text[NSIS_MAX_STRLEN];
} stack_t;
static stack_t *g_st;
#endif
exec_flags_t g_exec_flags;
exec_flags_t g_exec_flags_last_used;
extra_parameters plugin_extra_parameters = {
&g_exec_flags,
&ExecuteCodeSegment,
&validate_filename,
&RegisterPluginCallback
};
#if defined(NSIS_SUPPORT_ACTIVEXREG) || defined(NSIS_SUPPORT_CREATESHORTCUT)
HRESULT g_hres;
#endif
static int NSISCALL ExecuteEntry(entry *entry_);
/**
* If v is negative, then the address to resolve is actually
* stored in the global user variables. Convert the value
* to integer and return.
*/
int NSISCALL resolveaddr(int v)
{
if (v < 0)
{
return myatoi(g_usrvars[-(v+1)]);
}
return v;
}
int NSISCALL ExecuteCodeSegment(int pos, HWND hwndProgress)
{
while (pos >= 0)
{
int rv;
if (g_entries[pos].which == EW_RET) return 0;
rv=ExecuteEntry(g_entries + pos);
if (rv == EXEC_ERROR) return EXEC_ERROR;
rv=resolveaddr(rv);
if (!rv) { rv++; pos++; }
else
{
int t=pos;
rv--; // rv is decremented here by 1, since it was +1 on the other end.
pos=rv; // set new position
rv-=t; // set rv to delta for progress adjustment
}
if (hwndProgress)
{
extern int progress_bar_pos, progress_bar_len;
progress_bar_pos+=rv;
SendMessage(hwndProgress,PBM_SETPOS,MulDiv(progress_bar_pos,30000,progress_bar_len),0);
}
}
return 0;
}
#ifdef NSIS_SUPPORT_CODECALLBACKS
int NSISCALL ExecuteCallbackFunction(int num)
{
return ExecuteCodeSegment(*(&g_header->code_onInit + num), NULL);
}
#endif
static TCHAR g_bufs[5][NSIS_MAX_STRLEN];
static int *g_parms;
void NSISCALL update_status_text_buf1(int strtab)
{
update_status_text(strtab, g_bufs[1]);
}
#ifdef _WIN64
static INT_PTR NSISCALL GetIntPtrFromParm(int id)
{
return strtoiptr(GetNSISStringTT(g_parms[id]));
}
#else
#define GetIntPtrFromParm(id_) ( (INT32)(GetIntFromParmEx(id_).LowPart) )
#endif
#define GetHwndFromParm(id_) ( (HWND)GetIntPtrFromParm(id_) )
#define GetIntFromParm(id_) ( (INT32)(UINT32)GetIntPtrFromParm(id_) )
static LARGE_INTEGER GetIntFromParmEx(int id)
{
LARGE_INTEGER v;
const TCHAR *p = GetNSISStringTT(g_parms[id]);
v.LowPart = myatoi(p), v.HighPart = *p;
return v; // HighPart is non-zero if the string is not empty
}
// NB - USE CAUTION when rearranging code to make use of the new return value of
// this function - be sure the parm being accessed is not modified before the call.
// Use a negative number to get the string validated as a file name
// Note: Calling GetNSISString has the side effect that the buffer holding
// the string to expand gets modified.
// When calling this function with numbers like 0x13, it means create the string
// from the string ID found in entry.offset[3] and put it into g_bufs[1].
static TCHAR * NSISCALL GetStringFromParm(int id_)
{
int id = id_ < 0 ? -id_ : id_;
TCHAR *result = GetNSISString(g_bufs[id >> 4], g_parms[id & 0xF]);
if (id_ < 0) validate_filename(result);
return result;
}
#ifdef NSIS_SUPPORT_REGISTRYFUNCTIONS
static HKEY NSISCALL GetRegRootKey(int RootKey)
{
if (RootKey < 0) return (HKEY) (UINT_PTR) RootKey;
return (HKEY) ((UINT_PTR) HKEY_CURRENT_USER + RootKey + g_exec_flags.all_user_var); // SHCTX[32|64|ANY]: HKEY_CURRENT_USER + 1 == HKEY_LOCAL_MACHINE
}
static HKEY NSISCALL RegOpenScriptKey(REGSAM RS)
{
HKEY hKey;
return RegKeyOpen(GetRegRootKey(g_parms[1]), GetStringFromParm(0x22), RS|KEY_FROMSCRIPT, &hKey) ? NULL : hKey;
}
static HKEY NSISCALL RegCreateScriptKey(int RootKey, LPCTSTR SubKey, REGSAM RS)
{
HKEY hKey;
return RegKeyCreate(GetRegRootKey(RootKey), SubKey, RS|KEY_FROMSCRIPT, &hKey) ? NULL : hKey;
}
// RegDeleteKey on Win9x will delete a tree of keys, WinNT will only delete a key without subkeys.
// RegDeleteKeyEx on 32-bit Windows accepts but ignores the KEY_WOW64_xxKEY flags and always uses the
// one and only native key. Our RegKeyOpen will intentionally fail if a incompatible WoW64 flag is used.
#define DRTF_ONLYIFNOSUBKEYS DELREGKEY_ONLYIFNOSUBKEYS
#define DRTF_ONLYIFNOVALUES DELREGKEY_ONLYIFNOVALUES
static LONG NSISCALL DeleteRegTree(HKEY hThisKey, LPCTSTR SubKey, REGSAM SamviewAndFlags)
{
HKEY hKey;
UINT onlyifnosubkeys = SamviewAndFlags & DRTF_ONLYIFNOSUBKEYS;
UINT onlyifnovalues = SamviewAndFlags & DRTF_ONLYIFNOVALUES, valuesexistcheckinsubkeys = TRUE;
REGSAM samview = SamviewAndFlags & (KEY_WOW64_32KEY|KEY_WOW64_64KEY);
LONG retval = RegKeyOpen(hThisKey, SubKey, KEY_ENUMERATE_SUB_KEYS|KEY_QUERY_VALUE|samview, &hKey);
if (retval == ERROR_SUCCESS)
{
TCHAR child[MAX_PATH+1]; // NB - don't change this to static (recursive function)
if (onlyifnovalues)
{
DWORD cchName = 0;
retval = RegEnumValue(hKey, 0, child, &cchName, NULL, NULL, NULL, NULL);
if (retval != ERROR_NO_MORE_ITEMS) goto notempty;
if (!valuesexistcheckinsubkeys) SamviewAndFlags &= ~DRTF_ONLYIFNOVALUES;
}
while (RegEnumKey(hKey, 0, child, COUNTOF(child)) == ERROR_SUCCESS)
{
if (onlyifnosubkeys) notempty: return (RegCloseKey(hKey), ERROR_CAN_NOT_COMPLETE);
if ((retval = DeleteRegTree(hKey, child, SamviewAndFlags)) != ERROR_SUCCESS) break;
}
RegCloseKey(hKey);
{
typedef LONG (WINAPI * RegDeleteKeyExType)(HKEY, LPCTSTR, REGSAM, DWORD);
RegDeleteKeyExType RDKE = (RegDeleteKeyExType)
#if !defined(_WIN64) || defined(_M_IA64)
myGetProcAddress(MGA_RegDeleteKeyEx);
if (!RDKE)
retval = RegDeleteKey(hThisKey, SubKey);
else
#else
RegDeleteKeyEx;
#endif
retval = RDKE(hThisKey, SubKey, samview, 0);
}
}
return retval;
}
static LONG NSISCALL RegDeleteScriptKey(int RootKey, LPCTSTR SubKey, REGSAM SamviewAndFlags)
{
HKEY hKey;
if (!SubKey[0]) return ERROR_CAN_NOT_COMPLETE; // Don't allow scripts to delete a HKEY root
SamviewAndFlags |= KEY_FROMSCRIPT;
hKey = GetRegKeyAndSAM(GetRegRootKey(RootKey), &SamviewAndFlags);
return hKey ? DeleteRegTree(hKey, SubKey, SamviewAndFlags) : ERROR_INVALID_HANDLE; // ERROR_CANTOPEN?
}
#endif//NSIS_SUPPORT_REGISTRYFUNCTIONS
// returns EXEC_ERROR on error
// returns 0, advance position by 1
// otherwise, returns new_position+1
static int NSISCALL ExecuteEntry(entry *entry_)
{
TCHAR *buf0 = g_bufs[0];
TCHAR *buf1 = g_bufs[1];
TCHAR *buf2 = g_bufs[2];
TCHAR *buf3 = g_bufs[3];
//char *buf4 = g_bufs[4];
TCHAR *var0;
TCHAR *var1;
//char *var2;
//char *var3;
//char *var4;
//char *var5;
#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
// Saves 8 bytes
HWND mainHwnd = g_hwnd;
#define g_hwnd mainHwnd
#endif
int exec_error = 0;
entry lent = *entry_;
#define which (lent.which)
#define parm0 (lent.offsets[0])
#define parm1 (lent.offsets[1])
#define parm2 (lent.offsets[2])
#define parm3 (lent.offsets[3])
#define parm4 (lent.offsets[4])
#define parm5 (lent.offsets[5])
var0 = g_usrvars[parm0];
var1 = g_usrvars[parm1];
// not used yet
//var2 = g_usrvars[parm2];
//var3 = g_usrvars[parm3];
//var4 = g_usrvars[parm4];
//var5 = g_usrvars[parm5];
g_parms = lent.offsets;
switch (which)
{
case EW_NOP:
log_printf2(_T("Jump: %d"),parm0);
return parm0;
case EW_ABORT:
{
log_printf2(_T("Aborting: \"%s\""),GetStringFromParm(0x00));
update_status_text(parm0,0);
}
return EXEC_ERROR;
case EW_QUIT:
g_quit_flag++;
if (g_hwnd) PostQuitMessage(0); // make sure we bail out fast.
return EXEC_ERROR;
case EW_CALL:
{
int v=resolveaddr(parm0)-1; // address is -1, since we encode it as +1
log_printf2(_T("Call: %d"),v);
return ExecuteCodeSegment(v,NULL);
}
case EW_UPDATETEXT:
log_printf2(_T("DetailPrint: %s"),GetStringFromParm(0x00));
update_status_text(parm0,0);
break;
case EW_SLEEP:
{
int x=GetIntFromParm(0);
log_printf2(_T("Sleep(%d)"),x);
Sleep(max(x,1));
}
break;
#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
case EW_BRINGTOFRONT:
log_printf(_T("BringToFront"));
SetForegroundWindow(g_hwnd);
break;
#endif//NSIS_CONFIG_VISIBLE_SUPPORT
case EW_SETFLAG:
if (!parm2)
{
FIELDN(g_exec_flags_last_used,parm0)=FIELDN(g_exec_flags,parm0);
FIELDN(g_exec_flags,parm0)=GetIntFromParm(1);
log_printf3(_T("SetFlag: %d=%d"),parm0,FIELDN(g_exec_flags,parm0));
}
else
{
FIELDN(g_exec_flags,parm0)=FIELDN(g_exec_flags_last_used,parm0);
}
break;
case EW_IFFLAG:
{
int f=lent.offsets[!FIELDN(g_exec_flags,parm2)];
FIELDN(g_exec_flags,parm2)&=parm3;
return f;
}
case EW_GETFLAG:
myitoa(var0,FIELDN(g_exec_flags,parm1));
break;
#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
case EW_CHDETAILSVIEW:
if (insthwndbutton) ShowWindow(insthwndbutton,parm1);
if (insthwnd) ShowWindow(insthwnd,parm0);
break;
#endif//NSIS_CONFIG_VISIBLE_SUPPORT
case EW_SETFILEATTRIBUTES:
{
TCHAR *buf1=GetStringFromParm(-0x10);
log_printf3(_T("SetFileAttributes: \"%s\":%08X"),buf1,parm1);
if (!SetFileAttributes(buf1,parm1))
{
exec_error++;
log_printf(_T("SetFileAttributes failed."));
}
}
break;
case EW_CREATEDIR: {
TCHAR *buf1=GetStringFromParm(-0x10);
log_printf3(_T("CreateDirectory: \"%s\" (%d)"),buf1,parm1);
{
TCHAR *p = skip_root(buf1), c = _T('c');
if (p)
{
while (c)
{
DWORD ec;
p = findchar(p, _T('\\'));
c = *p, *p = 0;
if (!c && parm2 && UserIsAdminGrpMember()) // Lock down the final directory?
ec = CreateRestrictedDirectory(buf1);
else
ec = CreateNormalDirectory(buf1);
if (ec)
{
if (ec != ERROR_ALREADY_EXISTS)
{
log_printf3(_T("CreateDirectory: can't create \"%s\" (err=%d)"),buf1,ec);
exec_error++;
}
else if ((GetFileAttributes(buf1) & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
log_printf2(_T("CreateDirectory: can't create \"%s\" - a file already exists"),buf1);
exec_error++;
}
}
else
{
log_printf2(_T("CreateDirectory: \"%s\" created"),buf1);
}
*p++ = c;
}
}
}
if (parm1)
{
update_status_text_buf1(LANG_OUTPUTDIR);
mystrcpy(state_output_directory,buf1);
if (!SetCurrentDirectory(buf1))
{
log_printf3(_T("SetCurrentDirectory(%s) failed (%d)"),buf1,GetLastError());
exec_error++;
}
}
else update_status_text_buf1(LANG_CREATEDIR);
}
break;
case EW_IFFILEEXISTS:
{
TCHAR *buf0=GetStringFromParm(0x00);
if (file_exists(buf0))
{
log_printf3(_T("IfFileExists: file \"%s\" exists, jumping %d"),buf0,parm1);
return parm1;
}
log_printf3(_T("IfFileExists: file \"%s\" does not exist, jumping %d"),buf0,parm2);
}
return parm2;
#ifdef NSIS_SUPPORT_RENAME
case EW_RENAME:
{
TCHAR *buf3=GetStringFromParm(-0x30);
TCHAR *buf2=GetStringFromParm(-0x21);
#ifdef NSIS_CONFIG_LOG
TCHAR *buf1=
#endif
GetStringFromParm(0x13); // For update_status_text_buf1 and log_printf
log_printf2(_T("Rename: %s"),buf1);
if (MoveFile(buf3,buf2))
{
update_status_text_buf1(LANG_RENAME);
}
else
{
#ifdef NSIS_SUPPORT_MOVEONREBOOT
if (parm2 && file_exists(buf3))
{
MoveFileOnReboot(buf3,buf2);
update_status_text_buf1(LANG_RENAMEONREBOOT);
log_printf2(_T("Rename on reboot: %s"),buf1);
}
else
#endif
{
exec_error++;
log_printf2(_T("Rename failed: %s"),buf1);
}
}
}
break;
#endif//NSIS_SUPPORT_RENAME
#ifdef NSIS_SUPPORT_FNUTIL
case EW_GETFULLPATHNAME:
{
TCHAR *fp;
TCHAR *p=var1;
TCHAR *buf0=GetStringFromParm(0x00);
if (!GetFullPathName(buf0,NSIS_MAX_STRLEN,p,&fp))
{
exec_error++;
*p=0;
}
else if (fp>buf0 && *fp)
{
WIN32_FIND_DATA *fd=file_exists(buf0);
if (fd)
{
mystrcpy(fp,fd->cFileName);
}
else
{
exec_error++;
*p=0;
}
}
if (!parm2) GetShortPathName(p,p,NSIS_MAX_STRLEN);
}
break;
case EW_SEARCHPATH:
{
TCHAR *fp;
TCHAR *p=var0;
TCHAR *buf0=GetStringFromParm(-0x01);
if (!SearchPath(NULL,buf0,NULL,NSIS_MAX_STRLEN,p,&fp))
{
exec_error++;
p[0]=0;
}
}
break;
case EW_GETTEMPFILENAME:
{
TCHAR *textout=var0;
if (!my_GetTempFileName(textout, GetStringFromParm(-0x11)))
exec_error++;
}
break;
#endif
#ifdef NSIS_SUPPORT_FILE
case EW_EXTRACTFILE:
{
HANDLE hOut;
int ret;
TCHAR *buf3 = GetStringFromParm(0x31);
int overwriteflag = parm0 & 7;
log_printf4(_T("File: overwriteflag=%d, allowskipfilesflag=%d, name=\"%s\""),overwriteflag,(parm0>>3)&MB_ABORTRETRYIGNORE,buf3);
if (validpathspec(buf3))
{
mystrcpy(buf0,buf3);
}
else mystrcat(addtrailingslash(mystrcpy(buf0,state_output_directory)),buf3);
validate_filename(buf0);
_tryagain:
if (overwriteflag >= 3) // check date and time
{
WIN32_FIND_DATA *ffd=file_exists(buf0);
// if it doesn't exist, overwrite flag will be off (though it doesn't really matter)
int cmp=0;
if (ffd)
{
cmp=CompareFileTime(&ffd->ftLastWriteTime, (FILETIME*)(lent.offsets + 3));
}
overwriteflag=!(cmp & (0x80000000 | (overwriteflag - 3)));
}
// remove read only flag if overwrite mode is on
if (!overwriteflag)
{
remove_ro_attr(buf0);
}
hOut=myOpenFile(buf0,GENERIC_WRITE,(overwriteflag==1)?CREATE_NEW:CREATE_ALWAYS);
if (hOut == INVALID_HANDLE_VALUE)
{
if (overwriteflag)
{
update_status_text(LANG_SKIPPED,buf3);
if (overwriteflag==2) exec_error++;
log_printf3(_T("File: skipped: \"%s\" (overwriteflag=%d)"),buf0,overwriteflag);
break;
}
log_printf2(_T("File: error creating \"%s\""),buf0);
mystrcpy(buf2,g_usrvars[0]); // save $0
mystrcpy(g_usrvars[0],buf0); // copy file name to $0
GetNSISString(buf1,parm5); // use $0
mystrcpy(g_usrvars[0],buf2); // restore $0
// Modified by ramon 23 May 2003
switch (my_MessageBox(buf1, parm0>>3))
{
case IDRETRY:
log_printf(_T("File: error, user retry"));
goto _tryagain;
case IDIGNORE:
log_printf(_T("File: error, user cancel"));
g_exec_flags.exec_error++;
return 0;
default:
log_printf(_T("File: error, user abort"));
update_status_text(LANG_CANTWRITE,buf0);
return EXEC_ERROR;
}
}
update_status_text(LANG_EXTRACT,buf3);
{
g_exec_flags.status_update++;
ret=GetCompressedDataFromDataBlock(parm2,hOut);
g_exec_flags.status_update--;
}
log_printf3(_T("File: wrote %d to \"%s\""),ret,buf0);
if (parm3 != 0xffffffff || parm4 != 0xffffffff)
SetFileTime(hOut,(FILETIME*)(lent.offsets+3),NULL,(FILETIME*)(lent.offsets+3));
CloseHandle(hOut);
if (ret < 0)
{
if (ret == -2)
{
GetNSISString(buf0,LANG_ERRORWRITING);
mystrcat(buf0,buf3);
}
else
{
GetNSISString(buf0,LANG_ERRORDECOMPRESSING);
}
log_printf2(_T("%s"),buf0);
my_MessageBox(buf0,MB_OK|MB_ICONSTOP|(IDOK<<21));
return EXEC_ERROR;
}
}
break;
#endif//NSIS_SUPPORT_FILE
#ifdef NSIS_SUPPORT_DELETE
case EW_DELETEFILE:
{
TCHAR *buf0=GetStringFromParm(0x00);
log_printf2(_T("Delete: \"%s\""),buf0);
myDelete(buf0,parm1);
}
break;
#endif//NSIS_SUPPORT_DELETE
#ifdef NSIS_SUPPORT_MESSAGEBOX
case EW_MESSAGEBOX: // MessageBox
{
int v;
TCHAR *buf3=GetStringFromParm(0x31);
log_printf3(_T("MessageBox: %d,\"%s\""),parm0,buf3);
v=my_MessageBox(buf3,parm0);
if (v)
{
if (v==parm2)
{
return parm3;
}
if (v==parm4)
{
return parm5;
}
}
else exec_error++;
}
break;
#endif//NSIS_SUPPORT_MESSAGEBOX
#ifdef NSIS_SUPPORT_RMDIR
case EW_RMDIR:
{
TCHAR *buf1=GetStringFromParm(-0x10);
log_printf2(_T("RMDir: \"%s\""),buf1);
myDelete(buf1,parm1);
}
break;
#endif//NSIS_SUPPORT_RMDIR
#ifdef NSIS_SUPPORT_STROPTS
case EW_STRLEN:
{
TCHAR *buf0=GetStringFromParm(0x01);
myitoa(var0,mystrlen(buf0));
}
break;
case EW_ASSIGNVAR:
{
LARGE_INTEGER newlenex=GetIntFromParmEx(2);
int start=GetIntFromParm(3), newlen=newlenex.LowPart;
TCHAR *p=var0, *buf0=GetStringFromParm(0x01);
int srclen=mystrlen(buf0);
*p=0;
if (!newlenex.HighPart) newlen=srclen; // "StrCpy $1 $2 $3" where $3=""
if (newlen)
{
if (start<0) start=srclen+start;
if (start>=0)
{
if (start>srclen) start=srclen;
mystrcpy(p,buf0+start);
if (newlen)
{
if (newlen<0) newlen=mystrlen(p)+newlen;
if (newlen<0) newlen=0;
if (newlen < NSIS_MAX_STRLEN) p[newlen]=0;
}
}
}
}
break;
case EW_STRCMP:
{
TCHAR *buf2=GetStringFromParm(0x20);
TCHAR *buf3=GetStringFromParm(0x31);
if (!parm4) {
// case insensitive
if (!lstrcmpi(buf2,buf3)) return parm2;
}
else {
// case sensitive
if (!lstrcmp(buf2,buf3)) return parm2;
}
}
return parm3;
#endif//NSIS_SUPPORT_STROPTS
#ifdef NSIS_SUPPORT_ENVIRONMENT
case EW_READENVSTR:
{
TCHAR *p=var0;
TCHAR *buf0=GetStringFromParm(0x01);
if (!ExpandEnvironmentStrings(buf0,p,NSIS_MAX_STRLEN)
|| (parm2 && !lstrcmp(buf0, p)))
{
exec_error++;
*p=0;
}
p[NSIS_MAX_STRLEN-1]=0;
}
break;
#endif//NSIS_SUPPORT_ENVIRONMENT
#ifdef NSIS_SUPPORT_INTOPTS
case EW_INTCMP:
{
UINT supp64=sizeof(void*) > 4, opu=supp64 ? (BYTE) parm5 : parm5, op64=supp64 ? (SHORT) parm5 < 0 : FALSE;
INT_PTR v=GetIntPtrFromParm(0), v2=GetIntPtrFromParm(1); // Note: This needs to be INT64 if supp64 is ever set to true for 32-bit builds!
if (!opu) { // signed:
if (op64) {
if ((INT64)v < (INT64)v2) return parm3;
if ((INT64)v > (INT64)v2) return parm4;
}
else {
if ((signed int)v < (signed int)v2) return parm3;
if ((signed int)v > (signed int)v2) return parm4;
}
}
else { // unsigned:
if (op64) {
if ((UINT64)v < (UINT64)v2) return parm3;
if ((UINT64)v > (UINT64)v2) return parm4;
}
else {
if ((unsigned int)v < (unsigned int)v2) return parm3;
if ((unsigned int)v > (unsigned int)v2) return parm4;
}
}
}
return parm2;
case EW_INTOP:
{
int v,v2;
TCHAR *p=var0;
v=GetIntFromParm(1);
v2=GetIntFromParm(2);
switch (parm3)
{
case 0: v+=v2; break;
case 1: v-=v2; break;
case 2: v*=v2; break;
case 3: if (v2) v/=v2; else { v=0; exec_error++; } break;
case 4: v|=v2; break;
case 5: v&=v2; break;
case 6: v^=v2; break;
case 7: v=!v; break;
case 8: v=v||v2; break;
case 9: v=v&&v2; break;
case 10: if (v2) v%=v2; else { v=0; exec_error++; } break;
case 11: v=v<<v2; break;
case 12: v=v>>v2; break;
case 13: v=(unsigned int)v>>(unsigned int)v2; break;
}
myitoa(p,v);
}
break;
case EW_INTFMT: {
TCHAR *buf0=GetStringFromParm(0x01);
INT_PTR val=GetIntPtrFromParm(2), op64=sizeof(void*) > 4 && parm3;
wsprintf(var0,buf0,op64 ? val : (UINT)val);
}
break;
#endif//NSIS_SUPPORT_INTOPTS
#ifdef NSIS_SUPPORT_STACK
case EW_PUSHPOP:
{
stack_t *s=g_st;
int cnt=parm2;
if (cnt) //Exch contributed by Fritz Elfert
{
while (cnt--&&s) s=s->next;
if (!s)
{
log_printf2(_T("Exch: stack < %d elements"),parm2);
my_MessageBox(GetNSISStringTT(LANG_INSTCORRUPTED),MB_OK|MB_ICONSTOP|(IDOK<<21));
return EXEC_ERROR;
}
mystrcpy(buf0,s->text);
mystrcpy(s->text,g_st->text);
mystrcpy(g_st->text,buf0);
}
else if (parm1)
{
if (!s)
{
log_printf(_T("Pop: stack empty"));
exec_error++;
break;
}
mystrcpy(var0,s->text);
g_st=s->next;
GlobalFree((HGLOBAL)s);
}
else
{
s=(stack_t*)GlobalAlloc(GPTR,sizeof(stack_t));
GetNSISString(s->text,parm0);
s->next=g_st;
g_st=s;
}
}
break;
#endif//NSIS_SUPPORT_STACK
#ifdef NSIS_SUPPORT_HWNDS
case EW_FINDWINDOW:
case EW_SENDMESSAGE:
{
LRESULT v;
INT_PTR b3=GetIntPtrFromParm(3);
INT_PTR b4=GetIntPtrFromParm(4);
if (parm5&1) b3=(INT_PTR)GetStringFromParm(0x33);
if (parm5&2) b4=(INT_PTR)GetStringFromParm(0x44);
if (which == EW_SENDMESSAGE)
{
HWND hwnd=GetHwndFromParm(1);
int msg=GetIntFromParm(2);
if (parm5>>2) exec_error += !SendMessageTimeout(hwnd,msg,b3,b4,SMTO_NORMAL,parm5>>2,(PDWORD_PTR)&v);
// Jim Park: This sends script messages. Some messages require
// settings for Unicode. This means the user's script may need
// to change for Unicode NSIS.
else v=SendMessage(hwnd,msg,b3,b4);
}
else
{
TCHAR *buf0=GetStringFromParm(0x01);
TCHAR *buf1=GetStringFromParm(0x12);
v=(LRESULT)FindWindowEx((HWND)b3,(HWND)b4,buf0[0]?buf0:NULL,buf1[0]?buf1:NULL);
}
if (parm0>=0) iptrtostr(var0,v);
}
break;
case EW_ISWINDOW:
if (IsWindow(GetHwndFromParm(0))) return parm1;
return parm2;
#ifdef NSIS_CONFIG_ENHANCEDUI_SUPPORT
case EW_GETDLGITEM:
iptrtostr(
var0,
(INT_PTR)GetDlgItem(
GetHwndFromParm(1),
GetIntFromParm(2)
)
);
break;
case EW_SETCTLCOLORS:
{
ctlcolors *c = (ctlcolors *)(g_blocks[NB_CTLCOLORS].offset + parm1);
SetWindowLongPtr(GetHwndFromParm(0), GWLP_USERDATA, (LONG_PTR) c);
}
break;
case EW_LOADANDSETIMAGE:
{
RECT r;
HANDLE hNewImage, hPrevImage;
HWND hCtl=(parm3 & LASIF_HWND) ? GetHwndFromParm(2) : GetDlgItem(g_hwnd, parm2);
UINT it=parm3 & LASIM_IMAGE, exeres=parm3 & LASIF_EXERES, fitw=(UINT)parm3 >> LASIS_FITCTLW, fith=(parm3 & LASIF_FITCTLH) != 0;
LPCTSTR imgid = (parm3 & LASIF_STRID) ? GetStringFromParm(0x11) : MAKEINTRESOURCE(parm1);
GetClientRect(hCtl, &r);
hNewImage=LoadImage(exeres ? g_hInstance : NULL, imgid, it, fitw*r.right, fith*r.bottom, parm3 & LASIM_LR);
hPrevImage=(HANDLE)SendMessage(hCtl, STM_SETIMAGE, it, (LPARAM)hNewImage);
if (hPrevImage && IMAGE_BITMAP == it) DeleteObject(hPrevImage); // Delete the old bitmap
if (parm0 >= 0) iptrtostr(var0, (INT_PTR)hNewImage); // Optional output handle
}
break;
case EW_CREATEFONT:
{
static LOGFONT f;
const HDC hdc=GetDC(g_hwnd);
f.lfHeight=-MulDiv(GetIntFromParm(2),GetDeviceCaps(hdc,LOGPIXELSY),72);
ReleaseDC(g_hwnd,hdc);
f.lfWeight=GetIntFromParm(3);
f.lfItalic=parm4&1;
f.lfUnderline=parm4&2;
f.lfStrikeOut=parm4&4;
f.lfCharSet=DEFAULT_CHARSET;
GetNSISString(f.lfFaceName,parm1);
iptrtostr(var0,(INT_PTR)CreateFontIndirect(&f));
}
break;
case EW_SHOWWINDOW:
{
HWND hw=GetHwndFromParm(0);
int a=GetIntFromParm(1);
if (parm2) log_printf(_T("HideWindow"));
if (!parm3)
ShowWindow(hw,a);
else
EnableWindow(hw,a);
}
break;
#endif//NSIS_CONFIG_ENHANCEDUI_SUPPORT
#endif//NSIS_SUPPORT_HWNDS
#ifdef NSIS_SUPPORT_SHELLEXECUTE
case EW_SHELLEXEC: // this uses improvements of Andras Varga
{
SHELLEXECUTEINFO sei;
TCHAR *buf0=GetStringFromParm(0x00); // Verb
TCHAR *buf3=GetStringFromParm(0x31); // File
TCHAR *buf2=GetStringFromParm(0x22); // Parameters
GetStringFromParm(0x15); // For update_status_text_buf1
update_status_text_buf1(LANG_EXECSHELL);
sei.fMask=parm4;
sei.hwnd=g_hwnd, sei.nShow=parm3;
sei.lpVerb=buf0[0]?buf0:NULL, sei.lpFile=buf3, sei.lpParameters=buf2[0]?buf2:NULL, sei.lpDirectory=state_output_directory;
if (!myShellExecuteEx(&sei))
{
log_printf5(_T("ExecShell: warning: error (\"%s\": file:\"%s\" params:\"%s\")=%d"),buf0,buf3,buf2,GetLastError());
exec_error++;
}
else
{
if (SEE_MASK_NOCLOSEPROCESS & sei.fMask)
{
WaitForProcess(sei.hProcess);
CloseHandle(sei.hProcess);
}
log_printf4(_T("ExecShell: success (\"%s\": file:\"%s\" params:\"%s\")"),buf0,buf3,buf2);
}
}
break;
#endif//NSIS_SUPPORT_SHELLEXECUTE
#ifdef NSIS_SUPPORT_EXECUTE
case EW_EXECUTE:
{
HANDLE hProc;
TCHAR *buf0=GetStringFromParm(0x00);
log_printf2(_T("Exec: command=\"%s\""),buf0);
update_status_text(LANG_EXECUTE,buf0);
hProc=myCreateProcess(buf0);
if (hProc)
{
log_printf2(_T("Exec: success (\"%s\")"),buf0);
if (parm2)
{
DWORD lExitCode=WaitForProcess(hProc);
if (parm1>=0) myitoa(var1,lExitCode);
else if (lExitCode) exec_error++;
}
CloseHandle(hProc);
}
else
{
exec_error++;
log_printf2(_T("Exec: failed createprocess (\"%s\")"),buf0);
}
}
break;
#endif//NSIS_SUPPORT_EXECUTE
#ifdef NSIS_SUPPORT_GETFILETIME
case EW_GETFILETIME:
// this new implementation based on one by Dave Bau
// used FindFirstFile instead of GetFileTime to better handle files that are locked.
// also allows GetFileTime to be passed a wildcard.
{
WIN32_FIND_DATA *ffd;
TCHAR *highout=var0;
TCHAR *lowout=var1;
TCHAR *buf0=GetStringFromParm(0x02);
ffd=file_exists(buf0);
if (ffd)
{
myitoa(lowout,ffd->ftLastWriteTime.dwLowDateTime);
myitoa(highout,ffd->ftLastWriteTime.dwHighDateTime);
}
else
{
*lowout=*highout=0;
exec_error++;
}
}
break;
#endif//NSIS_SUPPORT_GETFILETIME
#ifdef NSIS_SUPPORT_GETDLLVERSION
case EW_GETDLLVERSION:
{
TCHAR *highout=var0, *lowout=var1;
DWORD s1, d;
VS_FIXEDFILEINFO *pvsf1;
TCHAR *buf1=GetStringFromParm(-0x12);
s1=((DWORD(WINAPI*)(LPCTSTR,DWORD*))myGetProcAddress(MGA_GetFileVersionInfoSize))(buf1,&d);
*lowout=*highout=0;
exec_error++;
if (s1)
{
void *b1;
b1=GlobalAlloc(GPTR,s1);
if (b1)
{
FARPROC gfvi = myGetProcAddress(MGA_GetFileVersionInfo), vqv = myGetProcAddress(MGA_VerQueryValue);
UINT uLen;
if ( ((BOOL(WINAPI*)(LPCTSTR,DWORD,DWORD,LPVOID))gfvi)(buf1,0,s1,b1)
&& ((BOOL(WINAPI*)(LPCVOID,LPCTSTR,LPVOID*,UINT*))vqv)(b1,_T("\\"),(void*)&pvsf1,&uLen) )
{
myitoa(highout,pvsf1->dwFileVersionMS);
myitoa(lowout,pvsf1->dwFileVersionLS);
exec_error--;
}
GlobalFree(b1);
}
}
}
break;
#endif//NSIS_SUPPORT_GETDLLVERSION
#ifdef NSIS_SUPPORT_ACTIVEXREG
case EW_REGISTERDLL:
{
exec_error++;
if (SUCCEEDED(g_hres))
{
HANDLE h=NULL;
TCHAR *buf1=GetStringFromParm(-0x10);
TCHAR *buf0=GetStringFromParm(0x01);
if (parm4)
h=GetModuleHandle(buf1);
if (!h)
h=LoadLibraryEx(buf1, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if (h)
{
// Jim Park: Need to use our special NSISGetProcAddress to convert
// buf0 to char before calling GetProcAddress() which only takes
// chars.
FARPROC funke = NSISGetProcAddress(h,buf0);
if (funke)
{
exec_error--;
if (parm2)
{
update_status_text_buf1(parm2);
if (funke()) exec_error++;
}
else
{
void (*func)(HWND,int,TCHAR*,void*,void*);
func=(void*)funke;
func(
g_hwnd,
NSIS_MAX_STRLEN,
(TCHAR*)g_usrvars,
#ifdef NSIS_SUPPORT_STACK
(void*)&g_st,
#else
NULL,
#endif//NSIS_SUPPORT_STACK
&plugin_extra_parameters
);
}
}
else
{
update_status_text(LANG_CANNOTFINDSYMBOL,buf0);
log_printf3(_T("Error registering DLL: %s not found in %s"),buf0,buf1);
}
if (!parm3 && Plugins_CanUnload(h)) FreeLibrary(h);
}
else
{
update_status_text_buf1(LANG_COULDNOTLOAD);
log_printf2(_T("Error registering DLL: Could not load %s"),buf1);
}
}
else
{
update_status_text_buf1(LANG_NOOLE);
log_printf(_T("Error registering DLL: Could not initialize OLE"));
}
}
break;
#endif
#ifdef NSIS_SUPPORT_CREATESHORTCUT
case EW_CREATESHORTCUT:
{
TCHAR *buf1=GetStringFromParm(-0x10);
TCHAR *buf2=GetStringFromParm(-0x21);
TCHAR *buf0=GetStringFromParm(0x02);
TCHAR *buf3=GetStringFromParm(-0x33);
TCHAR *buf4=GetStringFromParm(0x45);
const int icoi = (parm4>>CS_II_SHIFT)&(CS_II_MASK>>CS_II_SHIFT), nwd = parm4&CS_NWD,
sc = (parm4>>CS_SC_SHIFT)&(CS_SC_MASK>>CS_SC_SHIFT), hk = (parm4>>CS_HK_SHIFT)&(CS_HK_MASK>>CS_HK_SHIFT);
HRESULT hres;
IShellLink* psl;
if (!validpathspec(buf2))
GetStringFromParm(0x21);
log_printf8(_T("CreateShortcut: out: \"%s\", in: \"%s %s\", icon: %s,%d, sw=%d, hk=%d"),
buf1,buf2,buf0,buf3,icoi,sc,hk);
hres = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
&IID_IShellLink, (void **) &psl);
if (SUCCEEDED(hres))
{
IPersistFile* ppf;
hres = psl->lpVtbl->QueryInterface(psl,&IID_IPersistFile, (void **) &ppf);
if (SUCCEEDED(hres))
{
hres = psl->lpVtbl->SetPath(psl,buf2);
if (!nwd) psl->lpVtbl->SetWorkingDirectory(psl,state_output_directory);
if (sc) psl->lpVtbl->SetShowCmd(psl,sc);
psl->lpVtbl->SetHotkey(psl,(unsigned short) hk);
if (buf3[0]) psl->lpVtbl->SetIconLocation(psl,buf3,icoi);
psl->lpVtbl->SetArguments(psl,buf0);
psl->lpVtbl->SetDescription(psl,buf4);
if (SUCCEEDED(hres))
{
#ifdef _UNICODE
hres = ppf->lpVtbl->Save(ppf,buf1,TRUE);
#else
WCHAR *wsz = (LPWSTR) buf2; // buf2 + buf3 = WCHAR wsz[NSIS_MAX_STRLEN]
hres = E_FAIL;
if (MultiByteToWideChar(CP_ACP,0,buf1,-1,wsz,NSIS_MAX_STRLEN))
hres = ppf->lpVtbl->Save(ppf,wsz,TRUE);
#endif
}
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
}
if (FAILED(hres))
{
exec_error++;
update_status_text_buf1(LANG_ERRORCREATINGSHORTCUT);
}
else
{
update_status_text_buf1(LANG_CREATESHORTCUT);
}
}
break;
#endif//NSIS_SUPPORT_CREATESHORTCUT
#ifdef NSIS_SUPPORT_COPYFILES
case EW_COPYFILES: // CopyFile (added by NOP)
{
int res;
SHFILEOPSTRUCT op;
TCHAR *buf0=GetStringFromParm(0x00);
TCHAR *buf1=GetStringFromParm(0x11);
TCHAR *buf2=GetStringFromParm(0x23); // LANG_COPYTO + buf1
log_printf3(_T("CopyFiles \"%s\"->\"%s\""),buf0,buf1);
if (!file_exists(buf0))
{
// workaround for bug #774966
//
// on nt4, SHFileOperation silently fails if the source
// file doesn't exist. do a manual check instead.
update_status_text(LANG_COPYFAILED,0);
exec_error++;
break;
}
op.hwnd=g_hwnd;
op.wFunc=FO_COPY;
buf0[mystrlen(buf0)+1]=0;
buf1[mystrlen(buf1)+1]=0;
op.pFrom=buf0;
op.pTo=buf1;
op.lpszProgressTitle=buf2;
op.fFlags=parm2;
update_status_text(0,buf2);
res=SHFileOperation(&op);
if (res)
{ // some of these changes were from Edgewise (wiked_edge@yahoo.com)
update_status_text(LANG_COPYFAILED,0);
exec_error++;
}
}
break;
#endif//NSIS_SUPPORT_COPYFILES
#ifdef NSIS_SUPPORT_REBOOT
case EW_REBOOT:
if (parm0!=0xbadf00d)
{
my_MessageBox(GetNSISStringTT(LANG_INSTCORRUPTED),MB_OK|MB_ICONSTOP|(IDOK<<21));
return EXEC_ERROR;
}
g_exec_flags.reboot_called++;
// a following EW_QUIT will make sure the installer quits right away
break;
#endif//NSIS_SUPPORT_REBOOT
#ifdef NSIS_SUPPORT_INIFILES
case EW_WRITEINI:
{
TCHAR *sec=0, *key=0, *str=0;
#ifdef NSIS_CONFIG_LOG
mystrcpy(buf1,_T("<RM>"));
mystrcpy(buf2,buf1);
#endif
if (parm0) sec=GetStringFromParm(0x00);
if (parm1) key=GetStringFromParm(0x11);
if (parm4) str=GetStringFromParm(0x22);
buf3=GetStringFromParm(-0x33);
log_printf5(_T("WriteINIStr: wrote [%s] %s=%s in %s"),buf0,buf1,buf2,buf3);
if (!WritePrivateProfileString(sec,key,str,buf3)) exec_error++;
}
break;
case EW_READINISTR:
{
// GetPrivateProfileString can't read CR & LF characters inside values from INI files
// so we use "\n" as a detection system to see if we did successfully read a value
const TCHAR errstr[] = _T("\n");
TCHAR *p=var0;
TCHAR *buf0=GetStringFromParm(0x01);
TCHAR *buf1=GetStringFromParm(0x12);
TCHAR *buf2=GetStringFromParm(-0x23);
GetPrivateProfileString(buf0,buf1,errstr,p,NSIS_MAX_STRLEN-1,buf2);
if (p[0] == _T('\n')) // we got the default string "\n" instead of a real value
{
exec_error++;
p[0]=0;
}
}
break;
#endif//NSIS_SUPPORT_INIFILES
#ifdef NSIS_SUPPORT_REGISTRYFUNCTIONS
case EW_DELREG:
{
long res=!ERROR_SUCCESS, rootkey=parm1;
const TCHAR *rkn UNUSED=RegKeyHandleToName((HKEY)rootkey);
if (!parm4) // TOK_DELETEREGVALUE
{
HKEY hKey=RegOpenScriptKey(KEY_SET_VALUE);
if (hKey)
{
TCHAR *buf3=GetStringFromParm(0x33);
res = RegDeleteValue(hKey,buf3);
log_printf4(_T("DeleteRegValue: \"%s\\%s\" \"%s\""),rkn,buf2,buf3);
RegCloseKey(hKey);
}
}
else // TOK_DELETEREGKEY
{
TCHAR *buf2=GetStringFromParm(0x22);
log_printf3(_T("DeleteRegKey: \"%s\\%s\""),rkn,buf2);
res = RegDeleteScriptKey(rootkey,buf2,parm4 >> DELREGKEYFLAGSSHIFT); // SHR is 1 byte smaller than AND
}
if (res != ERROR_SUCCESS)
exec_error++;
}
break;
case EW_WRITEREG: // write registry value
{
HKEY hKey;
int rootkey=parm0, type=parm4, rtype=parm5;
TCHAR *buf0=GetStringFromParm(0x02);
TCHAR *buf1=GetStringFromParm(0x11);
const TCHAR *rkn UNUSED=RegKeyHandleToName((HKEY)rootkey);
exec_error++;
if ((hKey = RegCreateScriptKey(rootkey, buf1, KEY_SET_VALUE)))
{
LPBYTE data = (LPBYTE) buf2;
DWORD size = 0;
if (type == REG_SZ)
{
GetStringFromParm(0x23);
size = (mystrlen((TCHAR *) data) + 1)*sizeof(TCHAR);
if (rtype == REG_SZ)
{
log_printf5(_T("WriteRegStr: \"%s\\%s\" \"%s\"=\"%s\""),rkn,buf1,buf0,data);
}
else
{
log_printf5(_T("WriteRegExpandStr: \"%s\\%s\" \"%s\"=\"%s\""),rkn,buf1,buf0,data);
}
}
if (type == REG_DWORD)
{
*(LPDWORD) data = GetIntFromParm(3);
size = sizeof(DWORD);
log_printf5(_T("WriteRegDWORD: \"%s\\%s\" \"%s\"=\"0x%08x\""),rkn,buf1,buf0,*(LPDWORD) data);
}
if (type == REG_BINARY)
{
#ifdef NSIS_CONFIG_LOG
TCHAR binbuf[128];
LPCTSTR logf = rtype==REG_NONE?_T("WriteRegNone"):rtype==REG_MULTI_SZ?_T("WriteRegMultiStr"):_T("WriteRegBin");
#endif
// use buf2, buf3 and buf4
size = GetCompressedDataFromDataBlockToMemory(parm3, data, (3 * NSIS_MAX_STRLEN)*sizeof(TCHAR));
LogData2Hex(binbuf, COUNTOF(binbuf), data, size);
log_printf6(_T("%s: \"%s\\%s\" \"%s\"=\"%s\""),logf,rkn,buf1,buf0,binbuf);
}
if (size >= 0 && RegSetValueEx(hKey,buf0,0,rtype,data,size) == ERROR_SUCCESS)
{
exec_error--;
}
else
{
log_printf4(_T("WriteReg: error writing into \"%s\\%s\" \"%s\""),rkn,buf1,buf0);
}
RegCloseKey(hKey);
}
else { log_printf3(_T("WriteReg: error creating key \"%s\\%s\""),rkn,buf1); }
}
break;
case EW_READREGSTR: // read registry string
{
HKEY hKey=RegOpenScriptKey(KEY_READ);
TCHAR *p=var0;
TCHAR *buf3=GetStringFromParm(0x33); // buf3 == key name
p[0]=0;
if (hKey)
{
DWORD l = NSIS_MAX_STRLEN*sizeof(TCHAR), t;
// Jim Park: If plain text in p or binary data in p,
// user must be careful in accessing p correctly.
if (RegQueryValueEx(hKey,buf3,NULL,&t,(LPBYTE)p,&l) != ERROR_SUCCESS ||
(t != REG_DWORD && t != REG_SZ && t != REG_EXPAND_SZ))
{
p[0]=0;
exec_error++;
}
else
{
if (t==REG_DWORD)
{
exec_error += !parm4;
myitoa(p,*((DWORD*)p));
}
else
{
exec_error += parm4;
p[NSIS_MAX_STRLEN-1]=0; // RegQueryValueEx adds a null terminator, UNLESS the value is NSIS_MAX_STRLEN long
}
}
RegCloseKey(hKey);
}
else exec_error++;
}
break;
case EW_REGENUM:
{
HKEY hKey=RegOpenScriptKey(KEY_READ);
TCHAR *p=var0;
int b=GetIntFromParm(3);
p[0]=0; // "" on error. This assumes that RegEnumKey and RegEnumValue do not party on our buffer!
if (hKey)
{
DWORD d=NSIS_MAX_STRLEN-1; // -1 is not required here?
if (parm4)
RegEnumKey(hKey,b,p,d);
else if (RegEnumValue(hKey,b,p,&d,NULL,NULL,NULL,NULL) != ERROR_SUCCESS)
exec_error++;
p[NSIS_MAX_STRLEN-1]=0; // Not required?
RegCloseKey(hKey);
}
else exec_error++;
}
break;
#endif//NSIS_SUPPORT_REGISTRYFUNCTIONS
#ifdef NSIS_SUPPORT_FILEFUNCTIONS
case EW_FCLOSE:
{
HANDLE handle = (HANDLE) strtoiptr(var0);
if (handle) CloseHandle(handle);
}
break;
case EW_FOPEN:
{
HANDLE h;
TCHAR *handleout=var0;
TCHAR *buf1=GetStringFromParm(-0x13);
h=myOpenFile(buf1,parm1,parm2);
if (h == INVALID_HANDLE_VALUE)
{
*handleout=0;
exec_error++;
}
else
{
iptrtostr(handleout,(INT_PTR)h);
}
}
break;
case EW_FPUTS:
#ifdef _UNICODE
case EW_FPUTWS:
// Jim Park/Wizou: in Unicode version of NSIS, EW_FPUTS still deals with ANSI files (conversion is done). We add EW_FPUTWS to deal with Unicode files.
#endif
{
int l; // number of bytes to write
TCHAR *t=var0;
const int writeCodPt = parm2, ansi = EW_FPUTS == which;
if (writeCodPt) // FileWriteByte or FileWriteWord
{
// Note: In Unicode version, we put a WORD in buf1[0] and will write 1 or 2 bytes, depending on FileWriteByte/Word.
((_TUCHAR *)buf1)[0]=(_TUCHAR) GetIntFromParm(1);
l=(ansi)?1:sizeof(TCHAR);
}
#ifdef _UNICODE
else if (which==EW_FPUTS)
{
GetStringFromParm(0x21); // load string in buf2, convert it to ANSI in buf1
StrWideToACP(buf2, (LPSTR) buf1, NSIS_MAX_STRLEN);
l=lstrlenA((LPCSTR)buf1);
}
#endif
else
{
l=mystrlen(GetStringFromParm(0x11))*sizeof(TCHAR);
}
if (*t)
{
const HANDLE hFile = (HANDLE) strtoiptr(t);
#ifdef _UNICODE
if ((ansi | writeCodPt) || !parm3 || SUCCEEDED(UTF16LEBOM(hFile,(INT_PTR)hFile)))
#endif
if (myWriteFile(hFile,buf1,l))
break; // Success
}
exec_error++;
}
break;
case EW_FGETS:
#ifdef _UNICODE
case EW_FGETWS:
// Jim Park/Wizou: in Unicode version of NSIS, EW_FGETS still deals with ANSI files (conversion is done). We add EW_FGETWS to deal with Unicode files.
#endif
{
TCHAR *textout=var1;
int rpos=0, ungetseek=sizeof(TCHAR);
TCHAR *hptr=var0;
int maxlen=GetIntFromParm(2);
if (maxlen<1) break;
if (maxlen > NSIS_MAX_STRLEN-1) maxlen=NSIS_MAX_STRLEN-1;
if (*hptr)
{
TCHAR lc=0;
HANDLE h=(HANDLE)strtoiptr(hptr);
while (rpos<maxlen)
{
TCHAR c;
#ifdef _UNICODE
if (which==EW_FGETS)
{
char tmpc[2];
DWORD mbtwcflags=MB_ERR_INVALID_CHARS, cbio;
if (!ReadFile(h,tmpc,2-parm3,&cbio,NULL) || !cbio) break;
ungetseek=cbio;
c = (unsigned char) tmpc[0]; // FileReadByte
if (!parm3) for(;;) // Try to parse as DBCS first, if that fails try again as a single byte
{
// BUGBUG: Limited to UCS-2/BMP, surrogate pairs are not supported.
if (MultiByteToWideChar(CP_ACP,mbtwcflags,tmpc,cbio,&c,1)) break;
c=0xfffd; // Unicode replacement character
// If we read 2 bytes and it was not a DBCS character, we need to seek -1
if (--cbio) SetFilePointer(h,-(--ungetseek),NULL,FILE_CURRENT); else break;
}
}
else
#endif
{
#ifdef _UNICODE
if (!parm3 && 0 == rpos && FAILED(UTF16LEBOM(h,FALSE))) break;
#endif
// Read 1 TCHAR (FileReadUTF16LE, (Ansi)FileRead, FileReadWord)
if (!myReadFile(h,&c,sizeof(TCHAR))) break;
}
if (parm3)
{
myitoa(textout,(UINT)(_TUCHAR)c);
return 0;
}
if (lc == _T('\r') || lc == _T('\n'))
{
if (lc == c || (c != _T('\r') && c != _T('\n')))
SetFilePointer(h,-((int)ungetseek),NULL,FILE_CURRENT);
else
textout[rpos++]=c;
break;
}
textout[rpos++]=c;
lc=c;
if (!c) break;
}
}
textout[rpos]=0;
if (!rpos) exec_error++;
}
break;
case EW_FSEEK:
{
TCHAR *t=var0;
if (*t)
{
// TODO: Use SetFilePointerEx for > 4GB support on _WIN64
DWORD v=SetFilePointer((HANDLE)strtoiptr(t),GetIntFromParm(2),NULL,parm3);
if (parm1>=0)
{
myitoa(var1,v);
}
}
}
break;
#endif//NSIS_SUPPORT_FILEFUNCTIONS
#ifdef NSIS_SUPPORT_FINDFIRST
case EW_FINDCLOSE:
{
HANDLE hFind = (HANDLE) strtoiptr(var0);
if (hFind) FindClose(hFind);
}
break;
case EW_FINDNEXT:
{
TCHAR *textout=var0;
HANDLE hFind = (HANDLE) strtoiptr(var1);
WIN32_FIND_DATA fd;
if (hFind && FindNextFile(hFind,&fd))
{
mystrcpy(textout,fd.cFileName);
}
else
{
exec_error++;
*textout=0;
}
}
break;
case EW_FINDFIRST:
{
TCHAR *textout=var0;
TCHAR *handleout=var1;
HANDLE h;
WIN32_FIND_DATA fd;
TCHAR *buf0=GetStringFromParm(0x02);
h=FindFirstFile(buf0,&fd);
if (h == INVALID_HANDLE_VALUE)
{
*handleout=0;
*textout=0;
exec_error++;
}
else
{
iptrtostr(handleout,(INT_PTR)h);
mystrcpy(textout,fd.cFileName);
}
}
break;
#endif//NSIS_SUPPORT_FINDFIRST
#ifdef NSIS_CONFIG_UNINSTALL_SUPPORT
case EW_WRITEUNINSTALLER:
{
int ret=-666;
HANDLE hFile;
TCHAR *buf1=GetStringFromParm(-0x10);
if (!validpathspec(buf1))
GetStringFromParm(-0x13);
remove_ro_attr(buf1);
hFile=myOpenFile(buf1,GENERIC_WRITE,CREATE_ALWAYS);
if (hFile != INVALID_HANDLE_VALUE)
{
int dboffset = parm1;
if (parm2)
{
unsigned char *filebuf;
int filehdrsize = g_filehdrsize;
filebuf=(unsigned char *)GlobalAlloc(GPTR,filehdrsize);
if (filebuf)
{
SetSelfFilePointer(0);
ReadSelfFile((char*)filebuf,filehdrsize);
{
// parm1 = uninstdata_offset
// parm2 = m_unicon_size
unsigned char* seeker;
unsigned char* unicon_data = seeker = (unsigned char*)GlobalAlloc(GPTR,parm2);
if (unicon_data) {
GetCompressedDataFromDataBlockToMemory(parm1,unicon_data,parm2);
while (*seeker) {
struct icondata {
DWORD dwSize;
DWORD dwOffset;
} id = *(struct icondata *) seeker;
seeker += sizeof(struct icondata);
mini_memcpy(filebuf+id.dwOffset, seeker, id.dwSize);
seeker += id.dwSize;
}
GlobalFree(unicon_data);
}
}
myWriteFile(hFile,(char*)filebuf,filehdrsize);
GlobalFree(filebuf);
dboffset = -1;
}
}
ret=GetCompressedDataFromDataBlock(dboffset, hFile);
CloseHandle(hFile);
}
log_printf3(_T("created uninstaller: %d, \"%s\""),ret,buf1);
{
int str = LANG_CREATEDUNINST;
if (ret < 0)
{
str = LANG_ERRORCREATING;
DeleteFile(buf1);
exec_error++;
}
update_status_text_buf1(str);
}
}
break;
#endif//NSIS_CONFIG_UNINSTALL_SUPPORT
#ifdef NSIS_CONFIG_LOG
case EW_LOG:
if (parm0)
{
log_printf2(_T("settings logging to %d"),parm1);
log_dolog=parm1;
log_printf2(_T("logging set to %d"),parm1);
#if !defined(NSIS_CONFIG_LOG_ODS) && !defined(NSIS_CONFIG_LOG_STDOUT)
if (parm1)
build_g_logfile();
else
log_write(1);
#endif
}
else
{
TCHAR *buf0=GetStringFromParm(0x01);
log_printf2(_T("%s"),buf0);
}
break;
#endif//NSIS_CONFIG_LOG
#ifdef NSIS_CONFIG_COMPONENTPAGE
case EW_SECTIONSET:
{
int x=GetIntFromParm(0);
if ((unsigned int)x < (unsigned int)num_sections)
{
section *sec=g_sections+x;
if (parm2>=0) // get something
{
int res=((int*)sec)[parm2];
if (!parm2)
{
// getting text
mystrcpy(var1,sec->name);
}
else
{
// getting number
myitoa(var1,res);
}
}
else // set something
{
parm2=-parm2-1;
if (parm2)
{
// not setting text, get int
parm1=GetIntFromParm(1);
}
else
{
// setting text
GetNSISString(sec->name,parm4);
sec->flags|=SF_NAMECHG;
// parm1 is zero so name_ptr will be set to zero
// if name_ptr is zero, it won't be used after .onInit
}
((int*)sec)[parm2]=parm1;
if (parm3) // update flags
{
SectionFlagsChanged(x);
}
}
}
else exec_error++;
}
break;
case EW_INSTTYPESET:
{
int x = GetIntFromParm(0);
if ((unsigned int)x < (unsigned int)NSIS_MAX_INST_TYPES)
{
if (parm3) // current install type
{
if (parm2) // set install type
{
SetInstType(x);
RefreshSectionGroups();
}
else // get install type
{
myitoa(var1, GetInstType(0));
}
}
else // install type text
{
if (parm2) // set text
{
g_header->install_types[x] = parm1;
}
else // get text
{
GetNSISString(var1,g_header->install_types[x]);
}
}
}
else exec_error++;
}
break;
#endif//NSIS_CONFIG_COMPONENTPAGE
case EW_GETOSINFO:
{
//switch(parm0)
{
#ifdef NSIS_SUPPORT_FNUTIL
//case 0:
{
TCHAR *outstr = var1;
IID kfid;
HRESULT(WINAPI*SHGKFP)(REFIID,DWORD,HANDLE,PWSTR*) = (HRESULT(WINAPI*)(REFIID,DWORD,HANDLE,PWSTR*)) myGetProcAddress(MGA_SHGetKnownFolderPath);
TCHAR *buf2 = GetStringFromParm(0x22), succ = FALSE;
if (SHGKFP && SUCCEEDED(ComIIDFromString(buf2, &kfid)))
{
PWSTR path;
HRESULT hr = SHGKFP(&kfid, parm3, NULL, &path);
if (SUCCEEDED(hr))
strcpyWideToT(outstr, path), CoTaskMemFree(path), ++succ;
}
if (!succ)
exec_error++, *outstr = _T('\0');
}
//break;
#endif
}
}
break;
#ifdef NSIS_LOCKWINDOW_SUPPORT
case EW_LOCKWINDOW:
{
// ui_dlg_visible is 1 or 0, so is parm0. It is used because WM_SETREDRAW will toggle WS_VISIBLE!
// BUGBUG: This has unfortunate consequences when used in
// combination with BringToFront on the first page.
// See http://forums.winamp.com/showthread.php?t=397781 for details.
SendMessage(g_hwnd, WM_SETREDRAW, parm0 & ui_dlg_visible, 0);
if (parm0) InvalidateRect(g_hwnd, NULL, FALSE);
break;
}
#endif //NSIS_LOCKWINDOW_SUPPORT
}
g_exec_flags.exec_error += exec_error;
return 0;
}
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