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build.cpp
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/*
* build.cpp
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2023 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 added by Jim Park -- 08/07/2007
*/
#include "tchar.h"
#include "Platform.h"
#include <stdio.h>
#include "exehead/config.h"
#include <nsis-version.h>
#include "build.h"
#include "util.h"
#include "fileform.h"
#include "writer.h"
#include "crc32.h"
#include "manifest.h"
#include "icon.h"
#include "utf.h" // For NStream
#include "BinInterop.h"
#include "exehead/api.h"
#include "exehead/resource.h"
#include <stdexcept>
#include "ResourceEditor.h"
#include "DialogTemplate.h"
#include "ResourceVersionInfo.h"
#include "tstring.h"
#include <stdio.h>
#include <stdarg.h>
#ifndef _WIN32
# include <locale.h>
# include <unistd.h>
# include <limits.h>
# include <stdlib.h>
#endif
#include <cassert> // for assert
#define RET_UNLESS_OK( function_rc ) do { \
int rc = (function_rc); \
if ( rc != PS_OK) \
return rc; \
} while (false)
using namespace std;
namespace { // begin anonymous namespace
bool isSimpleChar(TCHAR ch)
{
return (ch == _T('.') ) || (ch == _T('_') ) || (ch >= _T('0') && ch <= _T('9')) || (ch >= _T('A') && ch <= _T('Z')) || (ch >= _T('a') && ch <= _T('z'));
}
} // end of anonymous namespace
namespace MakensisAPI {
#ifdef _WIN64
const TCHAR* SigintEventNameFmt = _T("makensis win32 sigint event %Iu"); // %u is the notify HWND, this is to make sure we abort the correct instance
#else
const TCHAR* SigintEventNameFmt = _T("makensis win32 sigint event %u");
#endif
const TCHAR* SigintEventNameLegacy = _T("makensis win32 signint event"); // "sigNint" typo is part of the API now and cannot be changed
}
const WORD DefaultPEDllCharacteristics = IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE|IMAGE_DLLCHARACTERISTICS_NO_SEH|IMAGE_DLLCHARACTERISTICS_NX_COMPAT|IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE; //forums.winamp.com/showthread.php?t=344755
void CEXEBuild::define(const TCHAR *p, const TCHAR *v)
{
definedlist.add(p,v);
}
CEXEBuild::~CEXEBuild()
{
free_loaded_icon(installer_icon);
free_loaded_icon(uninstaller_icon);
delete [] m_exehead;
int nlt = lang_tables.getlen() / sizeof(LanguageTable);
LanguageTable *nla = (LanguageTable*)lang_tables.get();
for (int i = 0; i < nlt; i++)
DeleteLangTable(nla+i);
if (postbuild_cmds) postbuild_cmds->delete_all();
if (postubuild_cmds) postubuild_cmds->delete_all();
}
CEXEBuild::CEXEBuild(signed char pponly, bool warnaserror) :
preprocessonly(pponly),
m_exehead(0),
m_exehead_size(0)
{
set_verbosity(3);
if (warnaserror) diagstate.set_warning_as_error();
curlinereader=0;
curfilename=0, linecnt=0;
cur_ifblock=NULL;
last_line_had_slash=0;
inside_comment=false;
multiple_entries_instruction=0;
build_include_depth=0;
has_called_write_output=false;
ns_func.add(_T(""),0); // make sure offset 0 is special on these (i.e. never used by a label)
ns_label.add(_T(""),0);
definedlist.add(_T("NSIS_VERSION"), NSIS_VERSION);
definedlist.add(_T("NSIS_PACKEDVERSION"), NSIS_PACKEDVERSION);
#ifdef TARGET_ARCH
m_target_type=(TARGETTYPE)TARGET_ARCH;
#else
m_target_type=TARGET_X86UNICODE;
#endif
build_unicode=TARGET_X86ANSI != m_target_type;
build_lockedunicodetarget=false;
// automatically generated header file containing all defines
#include <nsis-defines.h>
// no longer optional
definedlist.add(_T("NSIS_SUPPORT_STANDARD_PREDEFINES"));
definedlist.add(_T("NSIS_SUPPORT_NAMED_USERVARS"));
definedlist.add(_T("NSIS_SUPPORT_LANG_IN_STRINGS"));
#ifdef _WIN32
definedlist.add(_T("NSIS_WIN32_MAKENSIS"));
#endif
#ifdef _UNICODE
definedlist.add(_T("NSIS_UNICODE_MAKENSIS")); // This define might go away once makensis.exe is always unicode
#endif
if (sizeof(void*) > 4) definedlist.add(_T("NSIS_MAKENSIS64"));
db_opt_save=db_opt_save_u=db_full_size=db_full_size_u=0;
db_comp_save=db_comp_save_u=0;
// Added by Amir Szekely 31st July 2002
#ifdef NSIS_CONFIG_COMPRESSION_SUPPORT
compressor = &zlib_compressor;
#endif
build_compressor_set = false;
build_compressor_final = false;
build_compress_whole = false;
build_compress=1;
build_compress_level=9;
build_compress_dict_size=1<<23;
cur_entries=&build_entries;
cur_instruction_entry_map=&build_instruction_entry_map;
cur_datablock=&build_datablock;
cur_datablock_cache=&build_datablock_cache;
cur_functions=&build_functions;
cur_labels=&build_labels;
cur_sections=&build_sections;
cur_header=&build_header;
cur_strlist=&build_strlist;
cur_langtables=&build_langtables;
cur_ctlcolors=&build_ctlcolors;
cur_pages=&build_pages;
cur_page=0;
cur_page_type=-1;
build_filebuflen=32<<20; // 32mb
sectiongroup_open_cnt=0;
build_cursection_isfunc=0;
build_cursection=NULL;
// init public data.
build_packname[0]=build_packcmd[0]=build_output_filename[0]=0;
postbuild_cmds=postubuild_cmds=NULL;
// Added by ramon 23 May 2003
build_allowskipfiles=1;
// Added by ramon 6 jun 2003
#ifdef NSIS_SUPPORT_VERSION_INFO
version_fixedflags=0;
#endif
build_overwrite=build_last_overwrite=0;
build_crcchk=1;
build_datesave=1;
build_optimize_datablock=1;
memset(&build_header,-1,sizeof(build_header));
build_header.install_reg_rootkey=0;
build_header.flags=CH_FLAGS_NO_ROOT_DIR;
#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
build_header.lb_bg=RGB(0,0,0);
build_header.lb_fg=RGB(0,255,0);
#endif
#ifdef NSIS_CONFIG_LICENSEPAGE
build_header.license_bg=-COLOR_BTNFACE;
#endif
build_header.install_directory_ptr=0;
build_header.install_directory_auto_append=0;
build_header.install_reg_key_ptr=0;
build_header.install_reg_value_ptr=0;
#ifdef NSIS_CONFIG_COMPONENTPAGE
memset(build_header.install_types,0,sizeof(build_header.install_types));
#endif
memset(&build_header.blocks,0,sizeof(build_header.blocks));
uninstall_mode=0;
uninstall_size_full=0;
uninstall_size=UINT_MAX;
memset(&build_uninst,-1,sizeof(build_uninst));
build_header.install_reg_rootkey=0;
build_uninst.flags=0;
#ifdef NSIS_CONFIG_VISIBLE_SUPPORT
build_uninst.lb_bg=RGB(0,0,0);
build_uninst.lb_fg=RGB(0,255,0);
#endif
#ifdef NSIS_CONFIG_LICENSEPAGE
build_uninst.license_bg=-COLOR_BTNFACE;
#endif
build_uninst.install_directory_ptr=0;
build_uninst.install_directory_auto_append=0;
build_uninst.install_reg_key_ptr=0;
build_uninst.install_reg_value_ptr=0;
#ifdef NSIS_CONFIG_COMPONENTPAGE
memset(build_uninst.install_types,0,sizeof(build_uninst.install_types));
#endif
memset(&build_uninst.blocks,0,sizeof(build_uninst.blocks));
uninstaller_writes_used=0;
build_strlist.addemptystring();
ubuild_strlist.addemptystring();
build_langstring_num=0;
ubuild_langstring_num=0;
build_font[0]=0;
build_font_size=0;
m_unicon_size=0;
branding_image_found=false;
no_space_texts=false;
m_currentmacroname=NULL;
#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
build_plugin_unload=0;
m_pPlugins=0;
#endif
last_used_lang=NSIS_DEFAULT_LANG;
res_editor=0;
PEDllCharacteristics = DefaultPEDllCharacteristics;
PESubsysVerMaj = PESubsysVerMin = (WORD) -1;
manifest_flags = manifest::flags_default;
manifest_comctl = manifest::comctl_old;
manifest_exec_level = manifest::exec_level_admin;
manifest_dpiaware = manifest::dpiaware_notset;
manifest_lpaware = manifest::lpaware_notset;
manifest_sosl.setdefault();
enable_last_page_cancel=0;
uenable_last_page_cancel=0;
license_res_id=IDD_LICENSE;
disable_window_icon=0;
notify_hwnd=0;
#ifdef NSIS_SUPPORT_BGBG
bg_default_font.lfHeight=40;
bg_default_font.lfWidth=0;
bg_default_font.lfEscapement=0;
bg_default_font.lfOrientation=0;
bg_default_font.lfWeight=FW_BOLD;
bg_default_font.lfItalic=TRUE;
bg_default_font.lfUnderline=FALSE;
bg_default_font.lfStrikeOut=FALSE;
bg_default_font.lfCharSet=DEFAULT_CHARSET;
bg_default_font.lfOutPrecision=OUT_DEFAULT_PRECIS;
bg_default_font.lfClipPrecision=CLIP_DEFAULT_PRECIS;
bg_default_font.lfQuality=DEFAULT_QUALITY;
bg_default_font.lfPitchAndFamily=DEFAULT_PITCH;
my_strncpy(bg_default_font.lfFaceName,_T("Times New Roman"),LF_FACESIZE);
memcpy(&bg_font,&bg_default_font,sizeof(LOGFONT));
#endif
defcodepage_set=false;
uDefCodePage=CP_ACP;
InitLangTables();
// Register static user variables $0, $1 and so on
// with ONE of reference count, to avoid warning on these vars
TCHAR Aux[3];
int i;
for (i = 0; i < 10; i++) // 0 - 9
{
wsprintf(Aux, _T("%d"), i);
m_UserVarNames.add(Aux,1);
}
for (i = 0; i < 10; i++) // 10 - 19
{
wsprintf(Aux, _T("R%d"), i);
m_UserVarNames.add(Aux,1);
}
m_UserVarNames.add(_T("CMDLINE"),1); // 20 everything before here doesn't have trailing slash removal
m_UserVarNames.add(_T("INSTDIR"),1); // 21
m_UserVarNames.add(_T("OUTDIR"),1); // 22
m_UserVarNames.add(_T("EXEDIR"),1); // 23
m_UserVarNames.add(_T("LANGUAGE"),1); // 24
m_UserVarNames.add(_T("TEMP"),-1); // 25
m_UserVarNames.add(_T("PLUGINSDIR"),-1); // 26
m_UserVarNames.add(_T("EXEPATH"),-1); // 27
m_UserVarNames.add(_T("EXEFILE"),-1); // 28
m_UserVarNames.add(_T("HWNDPARENT"),-1); // 29
m_UserVarNames.add(_T("_CLICK"),-1); // 30
m_UserVarNames.add(_T("_OUTDIR"),1); // 31 Note: nsDialogs also uses this
m_iBaseVarsNum = m_UserVarNames.getnum();
m_ShellConstants.add(_T("WINDIR"),CSIDL_WINDOWS,CSIDL_WINDOWS);
m_ShellConstants.add(_T("SYSDIR"),CSIDL_SYSTEM,CSIDL_SYSTEM);
m_ShellConstants.add(_T("SMPROGRAMS"),CSIDL_PROGRAMS, CSIDL_COMMON_PROGRAMS);
m_ShellConstants.add(_T("SMSTARTUP"),CSIDL_STARTUP, CSIDL_COMMON_STARTUP);
m_ShellConstants.add(_T("DESKTOP"),CSIDL_DESKTOPDIRECTORY, CSIDL_COMMON_DESKTOPDIRECTORY);
m_ShellConstants.add(_T("STARTMENU"),CSIDL_STARTMENU, CSIDL_COMMON_STARTMENU);
m_ShellConstants.add(_T("QUICKLAUNCH"), CSIDL_APPDATA, CSIDL_APPDATA);
m_ShellConstants.add(_T("DOCUMENTS"),CSIDL_PERSONAL, CSIDL_COMMON_DOCUMENTS);
m_ShellConstants.add(_T("SENDTO"),CSIDL_SENDTO, CSIDL_SENDTO);
m_ShellConstants.add(_T("RECENT"),CSIDL_RECENT, CSIDL_RECENT);
m_ShellConstants.add(_T("FAVORITES"),CSIDL_FAVORITES, CSIDL_COMMON_FAVORITES);
m_ShellConstants.add(_T("MUSIC"),CSIDL_MYMUSIC, CSIDL_COMMON_MUSIC);
m_ShellConstants.add(_T("PICTURES"),CSIDL_MYPICTURES, CSIDL_COMMON_PICTURES);
m_ShellConstants.add(_T("VIDEOS"),CSIDL_MYVIDEO, CSIDL_COMMON_VIDEO);
m_ShellConstants.add(_T("NETHOOD"), CSIDL_NETHOOD, CSIDL_NETHOOD);
m_ShellConstants.add(_T("FONTS"), CSIDL_FONTS, CSIDL_FONTS);
m_ShellConstants.add(_T("TEMPLATES"), CSIDL_TEMPLATES, CSIDL_COMMON_TEMPLATES);
m_ShellConstants.add(_T("APPDATA"), CSIDL_APPDATA, CSIDL_COMMON_APPDATA); // Note: There is no all-users roaming appdata folder.
m_ShellConstants.add(_T("LOCALAPPDATA"), CSIDL_LOCAL_APPDATA, CSIDL_COMMON_APPDATA);
m_ShellConstants.add(_T("PRINTHOOD"), CSIDL_PRINTHOOD, CSIDL_PRINTHOOD);
//m_ShellConstants.add(_T("ALTSTARTUP"), CSIDL_ALTSTARTUP, CSIDL_COMMON_ALTSTARTUP);
m_ShellConstants.add(_T("INTERNET_CACHE"), CSIDL_INTERNET_CACHE, CSIDL_INTERNET_CACHE);
m_ShellConstants.add(_T("COOKIES"), CSIDL_COOKIES, CSIDL_COOKIES);
m_ShellConstants.add(_T("HISTORY"), CSIDL_HISTORY, CSIDL_HISTORY);
m_ShellConstants.add(_T("PROFILE"), CSIDL_PROFILE, CSIDL_PROFILE);
m_ShellConstants.add(_T("ADMINTOOLS"), CSIDL_ADMINTOOLS, CSIDL_COMMON_ADMINTOOLS);
m_ShellConstants.add(_T("RESOURCES"), CSIDL_RESOURCES, CSIDL_RESOURCES);
m_ShellConstants.add(_T("RESOURCES_LOCALIZED"), CSIDL_RESOURCES_LOCALIZED, CSIDL_RESOURCES_LOCALIZED);
m_ShellConstants.add(_T("CDBURN_AREA"), CSIDL_CDBURN_AREA, CSIDL_CDBURN_AREA);
// Constants that are not affected by SetShellVarContext
m_ShellConstants.add(_T("USERAPPDATA"), CSIDL_APPDATA, CSIDL_APPDATA|0x40); // 0x40 to differentiate it from $QUICKLAUNCH
m_ShellConstants.add(_T("USERLOCALAPPDATA"), CSIDL_LOCAL_APPDATA, CSIDL_LOCAL_APPDATA);
m_ShellConstants.add(_T("USERTEMPLATES"), CSIDL_TEMPLATES, CSIDL_TEMPLATES);
m_ShellConstants.add(_T("USERSTARTMENU"), CSIDL_STARTMENU, CSIDL_STARTMENU);
m_ShellConstants.add(_T("USERSMPROGRAMS"), CSIDL_PROGRAMS, CSIDL_PROGRAMS);
m_ShellConstants.add(_T("USERDESKTOP"), CSIDL_DESKTOPDIRECTORY, CSIDL_DESKTOPDIRECTORY);
m_ShellConstants.add(_T("COMMONLOCALAPPDATA"), CSIDL_COMMON_APPDATA, CSIDL_COMMON_APPDATA);
m_ShellConstants.add(_T("COMMONPROGRAMDATA"), CSIDL_COMMON_APPDATA, CSIDL_COMMON_APPDATA); // a.k.a. %ProgramData%
m_ShellConstants.add(_T("COMMONTEMPLATES"), CSIDL_COMMON_TEMPLATES, CSIDL_COMMON_TEMPLATES);
m_ShellConstants.add(_T("COMMONSTARTMENU"), CSIDL_COMMON_STARTMENU, CSIDL_COMMON_STARTMENU);
m_ShellConstants.add(_T("COMMONSMPROGRAMS"), CSIDL_COMMON_PROGRAMS, CSIDL_COMMON_PROGRAMS);
m_ShellConstants.add(_T("COMMONDESKTOP"), CSIDL_COMMON_DESKTOPDIRECTORY, CSIDL_COMMON_DESKTOPDIRECTORY);
// PROGRAMFILES&COMMONFILES does a registry lookup and the required string offsets are filled in later.
// We do this later because the unicode mode has to be locked when we call add_string...
m_ShellConstants.add(_T("PROGRAMFILES"), 0, 0);
m_ShellConstants.add(_T("PROGRAMFILES32"), 0, 0);
m_ShellConstants.add(_T("PROGRAMFILES64"), 0, 0);
m_ShellConstants.add(_T("COMMONFILES"), 0, 0);
m_ShellConstants.add(_T("COMMONFILES32"), 0, 0);
m_ShellConstants.add(_T("COMMONFILES64"), 0, 0);
set_uninstall_mode(0);
set_code_type_predefines();
}
void CEXEBuild::initialize(const TCHAR *makensis_path)
{
tstring nsis_dir;
const TCHAR *dir = _tgetenv(_T("NSISDIR"));
if (dir) nsis_dir = dir;
else {
#ifndef NSIS_CONFIG_CONST_DATA_PATH
nsis_dir = get_dir_name(get_executable_dir(makensis_path));
#else
nsis_dir = _T(PREFIX_DATA);
#endif
}
definedlist.add(_T("NSISDIR"), nsis_dir.c_str());
tstring includes_dir = nsis_dir;
includes_dir += PLATFORM_PATH_SEPARATOR_STR _T("Include");
include_dirs.add(includes_dir.c_str(),0);
stubs_dir = nsis_dir;
stubs_dir += PLATFORM_PATH_SEPARATOR_STR _T("Stubs");
if (set_compressor(_T("zlib"), false) != PS_OK || set_target_architecture_data() != PS_OK)
{
throw runtime_error("error setting default stub");
}
tstring uninst = stubs_dir + PLATFORM_PATH_SEPARATOR_STR + _T("uninst");
uninstaller_icon = load_icon_file(uninst.c_str());
changed_target = false;
}
int CEXEBuild::getcurdbsize() { return cur_datablock->getlen(); }
void CEXEBuild::init_shellconstantvalues()
{
static bool done = false;
if (done) return ; else done = true;
const int orgunmode = uninstall_mode, t64 = is_target_64bit(), reg = 0x80, r32 = t64 ? 0xC0 : reg, r64 = r32 ^ 0x40;
set_uninstall_mode(0);
// Note: The order matters because some of the strings are preprocessed and cf must be <= 0x40
unsigned int pf = add_asciistring(_T("ProgramFilesDir"), 0);
unsigned int cf = add_asciistring(_T("CommonFilesDir"), 0);
unsigned int pf_def = add_asciistring(_T("C:\\Program Files")); // Ultimate fallback
// TODO: 64-bit targets could use CSIDL_PROGRAM_FILES+CSIDL_PROGRAM_FILESX86?
m_ShellConstants.set_values(_T("PROGRAMFILES"), reg | pf, pf_def);
unsigned int pf_var = add_asciistring(_T("$PROGRAMFILES")); // Fallback for the 32/64 specific constants if the WOW registry view fails
m_ShellConstants.set_values(_T("PROGRAMFILES32"), r32 | pf, reg != r32 ? pf_var : pf_def);
m_ShellConstants.set_values(_T("PROGRAMFILES64"), r64 | pf, reg != r64 ? pf_var : pf_def);
unsigned int cf_def = add_asciistring(_T("$PROGRAMFILES\\Common Files"));
m_ShellConstants.set_values(_T("COMMONFILES"), reg | cf, cf_def);
unsigned int cf_var = add_asciistring(_T("$COMMONFILES"));
m_ShellConstants.set_values(_T("COMMONFILES32"), r32 | cf, reg != r32 ? cf_var : cf_def);
m_ShellConstants.set_values(_T("COMMONFILES64"), r64 | cf, reg != r64 ? cf_var : cf_def);
if ( (pf >= 0x40 || pf_def >= 0xFF || pf_var > 0xFF) // BUGBUG: pf_def should be ">"?
|| (cf > 0x40 || cf_def > 0xFF || cf_var > 0xFF) )
{
// see Source\exehead\util.c for implementation details
// basically, it knows it needs to get folders from the registry when the 0x80 is on
const char* msg = "Internal compiler error: too many strings added to strings block before adding shell constants!";
ERROR_MSG(_T("%") NPRIns, msg);
throw out_of_range(msg);
}
set_uninstall_mode(1);
unsigned int unpf = add_asciistring(_T("ProgramFilesDir"), 0);
unsigned int uncf = add_asciistring(_T("CommonFilesDir"), 0);
unsigned int unpf_def = add_asciistring(_T("C:\\Program Files"));
unsigned int unpf_var = add_asciistring(_T("$PROGRAMFILES"));
unsigned int uncf_def = add_asciistring(_T("$PROGRAMFILES\\Common Files"));
unsigned int uncf_var = add_asciistring(_T("$COMMONFILES"));
set_uninstall_mode(orgunmode);
if ( unpf != pf || unpf_def != pf_def || unpf_var != pf_var
|| uncf != cf || uncf_def != cf_def || uncf_var != cf_var )
{
const char* msg = "Internal compiler error: installer's shell constants are different than uninstallers!";
ERROR_MSG(_T("%") NPRIns, msg);
throw out_of_range(msg);
}
}
// returns offset in stringblock
int CEXEBuild::add_string(const TCHAR *string, int process/*=1*/, UINT codepage/*=-2*/)
{
if (!string || !*string) return 0;
build_lockedunicodetarget = true;
init_shellconstantvalues();
if ((UINT)-2 == codepage)
{
codepage = curlinereader ? curlinereader->StreamEncoding().GetCodepage() : CP_UTF8;
// If the current source file is Unicode we have to pick a real codepage for ANSI!
// It might not be the correct codepage but it's the best we can do.
// Not using CP_ACP to avoid heisenbugs when compiled on a different system.
if (NStreamEncoding::IsUnicodeCodepage(codepage)) codepage = 1252;
}
if (*string == _T('$') && *(string+1) == _T('('))
{
int idx = 0;
TCHAR *cp = _tcsdup(string+2);
TCHAR *p = _tcschr(cp, _T(')'));
if (p && p[1] == _T('\0') ) { // if string is only a language str identifier
*p = 0;
idx = DefineLangString(cp, process);
}
free(cp);
if (idx < 0) return idx;
}
int i;
if (process)
{
ExpandoString<TCHAR, NSIS_MAX_STRLEN*4> buf;
// NOTE: It is impossible to know how much preprocessing will increase the size, we have to guess
buf.Reserve(_tcsclen(string) * 2);
preprocess_string(buf, string, codepage); // BUGBUG: This could overflow buf
i = cur_strlist->add(buf, (WORD)codepage, true);
}
else
i = cur_strlist->add(string, (WORD)codepage, false);
return i;
}
int CEXEBuild::add_asciistring(const TCHAR *string, int process/*=1*/)
{
return add_string(string, process, 1252);
}
int CEXEBuild::add_intstring(const int i) // returns offset in stringblock
{
TCHAR buf[32];
wsprintf(buf, _T("%d"), i);
return add_asciistring(buf, false);
}
#ifdef _UNICODE
char* convert_processed_string_to_ansi(char *out, const TCHAR *in, WORD codepage)
{
const TCHAR *p=in;
for (;;)
{
_TUCHAR i = (_TUCHAR)*p++;
if (NS_IS_CODE(i)) // Note: this includes '\0'
{
// convert all character up to, and including this code
int c = (int)(p-in), cb = WideCharToMultiByte(codepage, 0, in, c, out, c*2, NULL, NULL);
if (!cb && i) return 0;
out += cb;
if (i == _T('\0'))
break;
else if (i == NS_SKIP_CODE)
// BUGBUG: Shouldn't the escaped code be converted from wchar_t to codepage as well?
*out++ = (char) *in++; // simply copy escaped code (01..04)
else
{
WORD w = *p++; // special NSIS code is following by a WORD we need to output unchanged
*out++ = LOBYTE(w);
*out++ = HIBYTE(w);
}
in = p;
}
}
return out;
}
#endif
// based on Dave Laundon's code
int CEXEBuild::preprocess_string(TCHAR *out, const TCHAR *in, WORD codepage/*=CP_ACP*/)
{
const TCHAR *p=in;
while (*p)
{
const TCHAR *np;
#ifdef _UNICODE
np = CharNext(p);
#else
np = CharNextExA(codepage, p, 0);
#endif
if (np - p > 1) // multibyte TCHAR
{
size_t len = np - p;
while (len--)
{
_TUCHAR i = (_TUCHAR)*p++;
if (NS_IS_CODE(i)) {
*out++ = (TCHAR)NS_SKIP_CODE;
}
*out++=(TCHAR)i;
}
continue;
}
_TUCHAR i = (_TUCHAR)*p;
p=np; // increment p.
// Test for characters extending into the variable codes
if (NS_IS_CODE(i)) {
*out++ = (TCHAR)NS_SKIP_CODE;
// out does get the NS_CODE as well because of
// "*out++=(TCHAR)i" at the end.
}
else if (i == _T('$'))
{
if (*p == _T('$'))
p++; // Can simply convert $$ to $ now
else
{
// starts with a $ but not $$.
bool bProceced=false;
if (*p)
{
const TCHAR *pUserVarName = p;
while (isSimpleChar(*pUserVarName))
pUserVarName++;
while (pUserVarName > p)
{
if (m_ShellConstants.get(p, truncate_cast(int, (size_t)(pUserVarName - p))) >= 0)
break; // Woops it's a shell constant
int idxUserVar = m_UserVarNames.get(p, truncate_cast(int, (size_t)(pUserVarName - p)));
if (idxUserVar >= 0)
{
// Well, using variables inside string formatting doesn't mean
// using the variable, because it will be always an empty string
// which is also memory wasting
// So the line below must be commented !??
//m_UserVarNames.inc_reference(idxUserVar);
*out++ = (TCHAR) NS_VAR_CODE; // Named user variable;
WORD w = FIX_ENDIAN_INT16(CODE_SHORT(idxUserVar));
unsigned int w4 = sizeof(TCHAR) > 2 ? FIX_ENDIAN_INT32(CODE_SHORT(idxUserVar)) : w; // Maybe this is too much endian fixing?
if (sizeof(TCHAR) < 2) *((WORD*)out) = w, out += 2; else *out = (TCHAR) w4, out++;
p += pUserVarName-p; // zip past the user var string.
bProceced = true;
break;
}
pUserVarName--;
}
}// if ( *p )
if (!bProceced && *p)
{
const TCHAR *pShellConstName = p;
while (isSimpleChar(*pShellConstName))
pShellConstName++;
while (pShellConstName > p)
{
// Look for the identifier in the shell constants list of strings.
int idxConst = m_ShellConstants.get((TCHAR*)p, truncate_cast(int, (size_t)(pShellConstName - p)));
// If found...
if (idxConst >= 0)
{
init_shellconstantvalues();
int CSIDL_Value_current = m_ShellConstants.get_value1(idxConst);
int CSIDL_Value_all = m_ShellConstants.get_value2(idxConst);
*out++=(TCHAR)NS_SHELL_CODE; // Constant code identifier
#ifdef _UNICODE
*out++=MAKEWORD(CSIDL_Value_current, CSIDL_Value_all);
#else
*out++=(TCHAR)CSIDL_Value_current;
*out++=(TCHAR)CSIDL_Value_all;
#endif
p = pShellConstName; // zip past the shell constant string.
bProceced = true;
break;
}
// We are looking from the longest identifier first and work
// smaller.
pShellConstName--;
}
}
if ( !bProceced && *p == _T('(') )
{
int idx = -1;
TCHAR *cp = _tcsdup(p+1); // JP: Bad... should avoid memory alloc.
TCHAR *pos = _tcschr(cp, _T(')'));
if (pos)
{
*pos = 0;
idx = DefineLangString(cp);
if (idx < 0)
{
*out++ = (TCHAR)NS_LANG_CODE; // Next word is lang-string Identifier
WORD w = FIX_ENDIAN_INT16(CODE_SHORT(-idx-1));
unsigned int w4 = sizeof(TCHAR) > 2 ? FIX_ENDIAN_INT32(CODE_SHORT(-idx-1)) : w; // Maybe this is too much endian fixing?
if (sizeof(TCHAR) < 2) *((WORD*)out) = w, out += 2; else *out = (TCHAR) w4, out++;
p += _tcslen(cp) + 2;
bProceced = true;
}
}
free(cp);
}
if ( bProceced )
continue; // outermost while
else
{
TCHAR tbuf[64], cBracket = _T('\0');
bool bDoWarning = true;
if ( *p == _T('[') ) cBracket = _T(']');
else if ( *p == _T('(') ) cBracket = _T(')');
else if ( *p == _T('{') ) cBracket = _T('}');
my_strncpy(tbuf,p,COUNTOF(tbuf));
if ( cBracket != 0 )
{
if (_tcschr(tbuf,cBracket)) (_tcschr(tbuf,cBracket)+1)[0]=0;
if ( tbuf[0] == _T('{') && tbuf[_tcslen(tbuf)-1] == _T('}') )
{
TCHAR *tstIfDefine = _tcsdup(tbuf+1);
tstIfDefine[_tcslen(tstIfDefine)-1] = _T('\0');
bDoWarning = definedlist.find(tstIfDefine) == NULL;
// If it's a defined identifier, then don't warn.
}
}
else
{
if (_tcsstr(tbuf,_T(" "))) _tcsstr(tbuf,_T(" "))[0]=0;
}
if ( bDoWarning )
warning_fl(DW_VAR_IGNORED_UNKNOWN, _T("unknown variable/constant \"%") NPRIs _T("\" detected, ignoring"),tbuf);
i = _T('$'); // redundant since i is already '$' and has not changed.
}
} // else
} // else if (i == _T('$'))
*out++=(TCHAR)i;
} // outside while
*out=0;
return 0;
}
// what it does is, when you pass it the offset of the last item added, it will determine if
// that data is already present in the datablock, and if so, reference it instead (and shorten
// the datablock as necessary). Reduces overhead if you want to add files to a couple places.
// Woo, an optimizing installer generator, now we're styling.
int CEXEBuild::datablock_optimize(int start_offset, int first_int)
{
int this_len = cur_datablock->getlen() - start_offset;
cached_db_size this_size = {first_int, start_offset};
this->cur_datablock_cache->add(&this_size, sizeof(cached_db_size));
if (!this->build_optimize_datablock || this_len < (int) sizeof(int))
return start_offset;
#ifdef DEBUG
assert(dynamic_cast<MMapBuf*>(cur_datablock));
#endif
MMapBuf *db = static_cast<MMapBuf*>(cur_datablock);
db->setro(TRUE);
cached_db_size *db_sizes = (cached_db_size *) this->cur_datablock_cache->get();
int db_sizes_num = this->cur_datablock_cache->getlen() / sizeof(cached_db_size);
db_sizes_num--; // don't compare with the one we just added
for (int i = 0; i < db_sizes_num; i++)
{
if (db_sizes[i].first_int == first_int)
{
int pos = db_sizes[i].start_offset;
int left = this_len;
while (left > 0)
{
int l = min(left, build_filebuflen);
void *newstuff = db->get(start_offset + this_len - left, l);
void *oldstuff = db->getmore(pos + this_len - left, l);
int res = memcmp(newstuff, oldstuff, l);
db->release(oldstuff, l);
db->release();
if (res) break;
left -= l;
}
if (!left)
{
db_opt_save += this_len;
db->resize(max(start_offset, pos + this_len));
db->setro(FALSE);
this->cur_datablock_cache->resize(cur_datablock_cache->getlen() - sizeof(cached_db_size));
return pos;
}
}
}
db->setro(FALSE);
return start_offset;
}
bool CEXEBuild::datablock_finddata(IMMap&mmap, int mmstart, int size, int*ofs)
{
const int first_int = size;
size &= ~ 0x80000000;
#ifdef DEBUG
assert(dynamic_cast<MMapBuf*>(cur_datablock));
#endif
MMapBuf *db = static_cast<MMapBuf*>(cur_datablock);
cached_db_size *db_sizes = (cached_db_size *) this->cur_datablock_cache->get();
int db_sizes_num = this->cur_datablock_cache->getlen() / sizeof(cached_db_size);
for (int i = 0; i < db_sizes_num; i++)
{
if (db_sizes[i].first_int != first_int) continue;
int left = size, oldpos = db_sizes[i].start_offset;
while (left > 0)
{
int cbCmp = min(left, build_filebuflen);
void *newstuff = mmap.get(mmstart + size - left, cbCmp);
void *oldstuff = db->get(sizeof(int) + oldpos + size - left, cbCmp);
int res = memcmp(newstuff, oldstuff, cbCmp);
mmap.release(), db->release();
if (res) break;
left -= cbCmp;
}
if (!left)
{
if (ofs) *ofs = oldpos;
return true;
}
}
return false;
}
int CEXEBuild::add_db_data(IMMap *mmap) // returns offset
{
build_compressor_set = true;
int done = 0;
if (!mmap)
{
ERROR_MSG(_T("Error: add_db_data() called with invalid mapped file\n"));
return -1;
}
int length = mmap->getsize();
if (length < 0)
{
ERROR_MSG(_T("Error: add_db_data() called with length=%d\n"), length);
return -1;
}
// Jim Park: This kind of stuff looks scary and it is. cur_datablock is
// most likely to point to a MMapBuf type right now so it works.
MMapBuf *db = (MMapBuf *) this->cur_datablock;
int st = db->getlen();
#ifdef NSIS_CONFIG_COMPRESSION_SUPPORT
if (length && !build_compress_whole && build_compress)
{
// grow datablock so that there is room to compress into
int bufferlen, of = false, tmp = 0;
of |= !si_add(tmp, length, 1024);
of |= !si_add(tmp, tmp, length / 4); // give a nice 25% extra space
if (!of)
{
bufferlen = tmp;
of |= !si_add(tmp, st, bufferlen);
of |= !si_add(tmp, tmp, sizeof(int));
}
if (of) // we've hit a signed integer overflow (file is over 1.6 GB)
bufferlen = INT_MAX - st - sizeof(int); // so maximize compressor room and hope the file compresses well
db->resize(st + bufferlen + sizeof(int));
int n = compressor->Init(build_compress_level, build_compress_dict_size);
if (n != C_OK)
{
ERROR_MSG(_T("Internal compiler error #12345: deflateInit() failed(%") NPRIs _T(" [%d]).\n"), compressor->GetErrStr(n), n);
extern void quit(); quit();
}
int avail_in = length;
int avail_out = bufferlen;
int ret;
while (avail_in > 0)
{
int in_len = min(this->build_filebuflen, avail_in);
int out_len = min(this->build_filebuflen, avail_out);
compressor->SetNextIn((char*) mmap->get(length - avail_in, in_len), in_len);
compressor->SetNextOut((char*) db->get(st + sizeof(int) + bufferlen - avail_out, out_len), out_len);
if ((ret = compressor->Compress(0)) < 0)
{
ERROR_MSG(_T("Error: add_db_data() - compress() failed(%") NPRIs _T(" [%d])\n"), compressor->GetErrStr(ret), ret);
return -1;
}
mmap->release();
db->flush(out_len);
db->release();
avail_in -= in_len - compressor->GetAvailIn();
avail_out -= out_len - compressor->GetAvailOut();
if (!avail_out)
// not enough space in the output buffer - no compression is better
break;
}
// if not enough space in the output buffer - no compression is better
if (avail_out)
{
char *out;
char a;
compressor->SetNextIn(&a,0);
do
{
int out_len = min(build_filebuflen, avail_out);
out = (char *) db->get(st + sizeof(int) + bufferlen - avail_out, out_len);
compressor->SetNextOut(out, out_len);
if ((ret = compressor->Compress(C_FINISH)) < 0)
{
ERROR_MSG(_T("Error: add_db_data() - compress() failed(%") NPRIs _T(" [%d])\n"), compressor->GetErrStr(ret), ret);
return -1;
}
db->flush(out_len);
db->release();
avail_out -= out_len - compressor->GetAvailOut();
}
while (compressor->GetNextOut() - out > 0 && avail_out > 0);
compressor->End();
int used = bufferlen - avail_out;
// never store compressed if output buffer is full (compression increased the size...)
if (avail_out && (build_compress == 2 || used < length))
{
done=1;
db->resize(st + used + sizeof(int));
*(int*)db->get(st, sizeof(int)) = FIX_ENDIAN_INT32(used | 0x80000000);
db->release();
int nst = datablock_optimize(st, used | 0x80000000);
if (nst == st) db_comp_save += length - used;
else st = nst;
}
}
else
compressor->End();
}
#endif // NSIS_CONFIG_COMPRESSION_SUPPORT
if (!done)
{
// Adding the same file twice can push cur_datablock over the limit
// because datablock_optimize() happens too late. Let's try to find a dupe early.
if (this->build_optimize_datablock && st + length < 0)
{
int oldst;
if (datablock_finddata(*mmap, 0, length, &oldst))
return (db_full_size += length, db_opt_save += length, oldst);
}
db->resize(st + sizeof(int) + length);
int *plen = (int *) db->get(st, sizeof(int));
*plen = FIX_ENDIAN_INT32(length);
db->release();
int left = length;
while (left > 0)
{
int l = min(build_filebuflen, left);
int *p = (int *) db->get(st + sizeof(int) + length - left, l);
memcpy(p, mmap->get(length - left, l), l);
db->flush(l);
db->release();
mmap->release();
left -= l;
}
st = datablock_optimize(st, length);
}
db_full_size += length + sizeof(int);
return st;
}