resource.c 51.8 KB
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/*
 * Resources
 *
 * Copyright 1993 Robert J. Amstadt
 * Copyright 1995, 2003 Alexandre Julliard
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 * Copyright 2006 Mike McCormack
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

#include "config.h"
#include "wine/port.h"

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#include <stdarg.h>

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#define NONAMELESSUNION
#define NONAMELESSSTRUCT
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
#include "winbase.h"
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#include "winternl.h"
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#include "wine/winbase16.h"
#include "wine/debug.h"
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#include "wine/exception.h"
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#include "wine/unicode.h"
#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(resource);

/* handle conversions */
#define HRSRC_32(h16)   ((HRSRC)(ULONG_PTR)(h16))
#define HRSRC_16(h32)   (LOWORD(h32))
#define HGLOBAL_32(h16) ((HGLOBAL)(ULONG_PTR)(h16))
#define HGLOBAL_16(h32) (LOWORD(h32))
#define HMODULE_16(h32) (LOWORD(h32))

/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
{
    if (!HIWORD(name))
    {
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        str->Buffer = ULongToPtr(LOWORD(name));
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        return STATUS_SUCCESS;
    }
    if (name[0] == '#')
    {
        ULONG value;
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        if (RtlCharToInteger( name + 1, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
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            return STATUS_INVALID_PARAMETER;
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        str->Buffer = ULongToPtr(value);
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        return STATUS_SUCCESS;
    }
    RtlCreateUnicodeStringFromAsciiz( str, name );
    RtlUpcaseUnicodeString( str, str, FALSE );
    return STATUS_SUCCESS;
}

/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
{
    if (!HIWORD(name))
    {
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        str->Buffer = ULongToPtr(LOWORD(name));
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        return STATUS_SUCCESS;
    }
    if (name[0] == '#')
    {
        ULONG value;
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        RtlInitUnicodeString( str, name + 1 );
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        if (RtlUnicodeStringToInteger( str, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
            return STATUS_INVALID_PARAMETER;
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        str->Buffer = ULongToPtr(value);
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        return STATUS_SUCCESS;
    }
    RtlCreateUnicodeString( str, name );
    RtlUpcaseUnicodeString( str, str, FALSE );
    return STATUS_SUCCESS;
}

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/* retrieve the resource names for the 16-bit FindResource function */
static BOOL get_res_name_type_WtoA( LPCWSTR name, LPCWSTR type, LPSTR *nameA, LPSTR *typeA )
{
    *nameA = *typeA = NULL;

    __TRY
    {
        if (HIWORD(name))
        {
            DWORD len = WideCharToMultiByte( CP_ACP, 0, name, -1, NULL, 0, NULL, NULL );
            *nameA = HeapAlloc( GetProcessHeap(), 0, len );
            if (*nameA) WideCharToMultiByte( CP_ACP, 0, name, -1, *nameA, len, NULL, NULL );
        }
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        else *nameA = ULongToPtr(LOWORD(name));
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        if (HIWORD(type))
        {
            DWORD len = WideCharToMultiByte( CP_ACP, 0, type, -1, NULL, 0, NULL, NULL );
            *typeA = HeapAlloc( GetProcessHeap(), 0, len );
            if (*typeA) WideCharToMultiByte( CP_ACP, 0, type, -1, *typeA, len, NULL, NULL );
        }
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        else *typeA = ULongToPtr(LOWORD(type));
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    }
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    __EXCEPT_PAGE_FAULT
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    {
        if (HIWORD(*nameA)) HeapFree( GetProcessHeap(), 0, *nameA );
        if (HIWORD(*typeA)) HeapFree( GetProcessHeap(), 0, *typeA );
        SetLastError( ERROR_INVALID_PARAMETER );
        return FALSE;
    }
    __ENDTRY
    return TRUE;
}

/* implementation of FindResourceExA */
static HRSRC find_resourceA( HMODULE hModule, LPCSTR type, LPCSTR name, WORD lang )
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{
    NTSTATUS status;
    UNICODE_STRING nameW, typeW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;

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    nameW.Buffer = NULL;
    typeW.Buffer = NULL;

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    __TRY
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    {
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        if ((status = get_res_nameA( name, &nameW )) != STATUS_SUCCESS) goto done;
        if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS) goto done;
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        info.Type = (ULONG_PTR)typeW.Buffer;
        info.Name = (ULONG_PTR)nameW.Buffer;
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        info.Language = lang;
        status = LdrFindResource_U( hModule, &info, 3, &entry );
    done:
        if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    }
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    __EXCEPT_PAGE_FAULT
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    {
        SetLastError( ERROR_INVALID_PARAMETER );
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    }
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    __ENDTRY

    if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    return (HRSRC)entry;
}


/* implementation of FindResourceExW */
static HRSRC find_resourceW( HMODULE hModule, LPCWSTR type, LPCWSTR name, WORD lang )
{
    NTSTATUS status;
    UNICODE_STRING nameW, typeW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DATA_ENTRY *entry = NULL;
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    nameW.Buffer = typeW.Buffer = NULL;
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    __TRY
    {
        if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS) goto done;
        if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS) goto done;
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        info.Type = (ULONG_PTR)typeW.Buffer;
        info.Name = (ULONG_PTR)nameW.Buffer;
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        info.Language = lang;
        status = LdrFindResource_U( hModule, &info, 3, &entry );
    done:
        if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    }
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    __EXCEPT_PAGE_FAULT
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    {
        SetLastError( ERROR_INVALID_PARAMETER );
    }
    __ENDTRY

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    if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    return (HRSRC)entry;
}

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/**********************************************************************
 *	    FindResourceExA  (KERNEL32.@)
 */
HRSRC WINAPI FindResourceExA( HMODULE hModule, LPCSTR type, LPCSTR name, WORD lang )
{
    TRACE( "%p %s %s %04x\n", hModule, debugstr_a(type), debugstr_a(name), lang );

    if (!hModule) hModule = GetModuleHandleW(0);
    else if (!HIWORD(hModule))
    {
        return HRSRC_32( FindResource16( HMODULE_16(hModule), name, type ) );
    }
    return find_resourceA( hModule, type, name, lang );
}

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/**********************************************************************
 *	    FindResourceA    (KERNEL32.@)
 */
HRSRC WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
{
    return FindResourceExA( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}


/**********************************************************************
 *	    FindResourceExW  (KERNEL32.@)
 */
HRSRC WINAPI FindResourceExW( HMODULE hModule, LPCWSTR type, LPCWSTR name, WORD lang )
{
    TRACE( "%p %s %s %04x\n", hModule, debugstr_w(type), debugstr_w(name), lang );

    if (!hModule) hModule = GetModuleHandleW(0);
    else if (!HIWORD(hModule))
    {
        LPSTR nameA, typeA;
        HRSRC16 ret;

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        if (!get_res_name_type_WtoA( name, type, &nameA, &typeA )) return NULL;
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        ret = FindResource16( HMODULE_16(hModule), nameA, typeA );
        if (HIWORD(nameA)) HeapFree( GetProcessHeap(), 0, nameA );
        if (HIWORD(typeA)) HeapFree( GetProcessHeap(), 0, typeA );
        return HRSRC_32(ret);
    }

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    return find_resourceW( hModule, type, name, lang );
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}


/**********************************************************************
 *	    FindResourceW    (KERNEL32.@)
 */
HRSRC WINAPI FindResourceW( HINSTANCE hModule, LPCWSTR name, LPCWSTR type )
{
    return FindResourceExW( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}


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/**********************************************************************
 *	EnumResourceTypesA	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceTypesA( HMODULE hmod, ENUMRESTYPEPROCA lpfun, LONG_PTR lparam )
{
    int i;
    BOOL ret = FALSE;
    LPSTR type = NULL;
    DWORD len = 0, newlen;
    NTSTATUS status;
    const IMAGE_RESOURCE_DIRECTORY *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
    const IMAGE_RESOURCE_DIR_STRING_U *str;

    TRACE( "%p %p %lx\n", hmod, lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleA( NULL );

    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &resdir )) != STATUS_SUCCESS)
    {
        SetLastError( RtlNtStatusToDosError(status) );
        return FALSE;
    }
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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
    {
        if (et[i].u1.s1.NameIsString)
        {
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            str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)resdir + et[i].u1.s1.NameOffset);
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            newlen = WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, NULL, 0, NULL, NULL);
            if (newlen + 1 > len)
            {
                len = newlen + 1;
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                HeapFree( GetProcessHeap(), 0, type );
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                if (!(type = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
            }
            WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, type, len, NULL, NULL);
            type[newlen] = 0;
            ret = lpfun(hmod,type,lparam);
        }
        else
        {
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            ret = lpfun( hmod, UIntToPtr(et[i].u1.s2.Id), lparam );
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        }
        if (!ret) break;
    }
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    HeapFree( GetProcessHeap(), 0, type );
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    return ret;
}


/**********************************************************************
 *	EnumResourceTypesW	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceTypesW( HMODULE hmod, ENUMRESTYPEPROCW lpfun, LONG_PTR lparam )
{
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    int i, len = 0;
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    BOOL ret = FALSE;
    LPWSTR type = NULL;
    NTSTATUS status;
    const IMAGE_RESOURCE_DIRECTORY *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
    const IMAGE_RESOURCE_DIR_STRING_U *str;

    TRACE( "%p %p %lx\n", hmod, lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleW( NULL );

    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &resdir )) != STATUS_SUCCESS)
    {
        SetLastError( RtlNtStatusToDosError(status) );
        return FALSE;
    }
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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
    {
        if (et[i].u1.s1.NameIsString)
        {
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            str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)resdir + et[i].u1.s1.NameOffset);
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            if (str->Length + 1 > len)
            {
                len = str->Length + 1;
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                HeapFree( GetProcessHeap(), 0, type );
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                if (!(type = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return FALSE;
            }
            memcpy(type, str->NameString, str->Length * sizeof (WCHAR));
            type[str->Length] = 0;
            ret = lpfun(hmod,type,lparam);
        }
        else
        {
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            ret = lpfun( hmod, UIntToPtr(et[i].u1.s2.Id), lparam );
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        }
        if (!ret) break;
    }
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    HeapFree( GetProcessHeap(), 0, type );
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    return ret;
}


/**********************************************************************
 *	EnumResourceNamesA	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceNamesA( HMODULE hmod, LPCSTR type, ENUMRESNAMEPROCA lpfun, LONG_PTR lparam )
{
    int i;
    BOOL ret = FALSE;
    DWORD len = 0, newlen;
    LPSTR name = NULL;
    NTSTATUS status;
    UNICODE_STRING typeW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
    const IMAGE_RESOURCE_DIR_STRING_U *str;

    TRACE( "%p %s %p %lx\n", hmod, debugstr_a(type), lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleA( NULL );
    typeW.Buffer = NULL;
    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &basedir )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS)
        goto done;
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    info.Type = (ULONG_PTR)typeW.Buffer;
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    if ((status = LdrFindResourceDirectory_U( hmod, &info, 1, &resdir )) != STATUS_SUCCESS)
        goto done;

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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
    {
        if (et[i].u1.s1.NameIsString)
        {
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            str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)basedir + et[i].u1.s1.NameOffset);
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            newlen = WideCharToMultiByte(CP_ACP, 0, str->NameString, str->Length, NULL, 0, NULL, NULL);
            if (newlen + 1 > len)
            {
                len = newlen + 1;
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                HeapFree( GetProcessHeap(), 0, name );
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                if (!(name = HeapAlloc(GetProcessHeap(), 0, len + 1 )))
                {
                    ret = FALSE;
                    break;
                }
            }
            WideCharToMultiByte( CP_ACP, 0, str->NameString, str->Length, name, len, NULL, NULL );
            name[newlen] = 0;
            ret = lpfun(hmod,type,name,lparam);
        }
        else
        {
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            ret = lpfun( hmod, type, UIntToPtr(et[i].u1.s2.Id), lparam );
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        }
        if (!ret) break;
    }
done:
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    HeapFree( GetProcessHeap(), 0, name );
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    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    return ret;
}


/**********************************************************************
 *	EnumResourceNamesW	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceNamesW( HMODULE hmod, LPCWSTR type, ENUMRESNAMEPROCW lpfun, LONG_PTR lparam )
{
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    int i, len = 0;
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    BOOL ret = FALSE;
    LPWSTR name = NULL;
    NTSTATUS status;
    UNICODE_STRING typeW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;
    const IMAGE_RESOURCE_DIR_STRING_U *str;

    TRACE( "%p %s %p %lx\n", hmod, debugstr_w(type), lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleW( NULL );
    typeW.Buffer = NULL;
    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &basedir )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS)
        goto done;
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    info.Type = (ULONG_PTR)typeW.Buffer;
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    if ((status = LdrFindResourceDirectory_U( hmod, &info, 1, &resdir )) != STATUS_SUCCESS)
        goto done;

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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries; i++)
    {
        if (et[i].u1.s1.NameIsString)
        {
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            str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const BYTE *)basedir + et[i].u1.s1.NameOffset);
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            if (str->Length + 1 > len)
            {
                len = str->Length + 1;
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                HeapFree( GetProcessHeap(), 0, name );
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                if (!(name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
                {
                    ret = FALSE;
                    break;
                }
            }
            memcpy(name, str->NameString, str->Length * sizeof (WCHAR));
            name[str->Length] = 0;
            ret = lpfun(hmod,type,name,lparam);
        }
        else
        {
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            ret = lpfun( hmod, type, UIntToPtr(et[i].u1.s2.Id), lparam );
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        }
        if (!ret) break;
    }
done:
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    HeapFree( GetProcessHeap(), 0, name );
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    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    return ret;
}


/**********************************************************************
 *	EnumResourceLanguagesA	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceLanguagesA( HMODULE hmod, LPCSTR type, LPCSTR name,
                                    ENUMRESLANGPROCA lpfun, LONG_PTR lparam )
{
    int i;
    BOOL ret = FALSE;
    NTSTATUS status;
    UNICODE_STRING typeW, nameW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;

    TRACE( "%p %s %s %p %lx\n", hmod, debugstr_a(type), debugstr_a(name), lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleA( NULL );
    typeW.Buffer = nameW.Buffer = NULL;
    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &basedir )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameA( type, &typeW )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameA( name, &nameW )) != STATUS_SUCCESS)
        goto done;
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    info.Type = (ULONG_PTR)typeW.Buffer;
    info.Name = (ULONG_PTR)nameW.Buffer;
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    if ((status = LdrFindResourceDirectory_U( hmod, &info, 2, &resdir )) != STATUS_SUCCESS)
        goto done;

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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
    {
        ret = lpfun( hmod, type, name, et[i].u1.s2.Id, lparam );
        if (!ret) break;
    }
done:
    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
    if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    return ret;
}


/**********************************************************************
 *	EnumResourceLanguagesW	(KERNEL32.@)
 */
BOOL WINAPI EnumResourceLanguagesW( HMODULE hmod, LPCWSTR type, LPCWSTR name,
                                    ENUMRESLANGPROCW lpfun, LONG_PTR lparam )
{
    int i;
    BOOL ret = FALSE;
    NTSTATUS status;
    UNICODE_STRING typeW, nameW;
    LDR_RESOURCE_INFO info;
    const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *et;

    TRACE( "%p %s %s %p %lx\n", hmod, debugstr_w(type), debugstr_w(name), lpfun, lparam );

    if (!hmod) hmod = GetModuleHandleW( NULL );
    typeW.Buffer = nameW.Buffer = NULL;
    if ((status = LdrFindResourceDirectory_U( hmod, NULL, 0, &basedir )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameW( type, &typeW )) != STATUS_SUCCESS)
        goto done;
    if ((status = get_res_nameW( name, &nameW )) != STATUS_SUCCESS)
        goto done;
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    info.Type = (ULONG_PTR)typeW.Buffer;
    info.Name = (ULONG_PTR)nameW.Buffer;
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    if ((status = LdrFindResourceDirectory_U( hmod, &info, 2, &resdir )) != STATUS_SUCCESS)
        goto done;

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    et = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
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    for (i = 0; i < resdir->NumberOfNamedEntries + resdir->NumberOfIdEntries; i++)
    {
        ret = lpfun( hmod, type, name, et[i].u1.s2.Id, lparam );
        if (!ret) break;
    }
done:
    if (HIWORD(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
    if (HIWORD(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
    if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    return ret;
}


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/**********************************************************************
 *	    LoadResource     (KERNEL32.@)
 */
HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
{
    NTSTATUS status;
    void *ret = NULL;

    TRACE( "%p %p\n", hModule, hRsrc );

    if (hModule && !HIWORD(hModule))
        /* FIXME: should convert return to 32-bit resource */
        return HGLOBAL_32( LoadResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) ) );

    if (!hRsrc) return 0;
    if (!hModule) hModule = GetModuleHandleA( NULL );
    status = LdrAccessResource( hModule, (IMAGE_RESOURCE_DATA_ENTRY *)hRsrc, &ret, NULL );
    if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
    return ret;
}


/**********************************************************************
 *	    LockResource     (KERNEL32.@)
 */
LPVOID WINAPI LockResource( HGLOBAL handle )
{
    TRACE("(%p)\n", handle );

    if (HIWORD( handle ))  /* 32-bit memory handle */
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        return handle;
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    /* 16-bit memory handle */
    return LockResource16( HGLOBAL_16(handle) );
}


/**********************************************************************
 *	    FreeResource     (KERNEL32.@)
 */
BOOL WINAPI FreeResource( HGLOBAL handle )
{
    if (HIWORD(handle)) return 0; /* 32-bit memory handle: nothing to do */
    return FreeResource16( HGLOBAL_16(handle) );
}


/**********************************************************************
 *	    SizeofResource   (KERNEL32.@)
 */
DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
{
    if (hModule && !HIWORD(hModule))
        return SizeofResource16( HMODULE_16(hModule), HRSRC_16(hRsrc) );

    if (!hRsrc) return 0;
    return ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->Size;
}
620

621 622 623 624 625
/*
 *  Data structure for updating resources.
 *  Type/Name/Language is a keyset for accessing resource data.
 *
 *  QUEUEDUPDATES (root) ->
626 627 628
 *    list of struct resource_dir_entry    (Type) ->
 *      list of struct resource_dir_entry  (Name)   ->
 *         list of struct resource_data    Language + Data
629 630
 */

631 632 633
typedef struct
{
    LPWSTR pFileName;
634
    BOOL bDeleteExistingResources;
635
    struct list root;
636 637
} QUEUEDUPDATES;

638 639 640 641 642 643 644 645 646 647 648 649 650
/* this structure is shared for types and names */
struct resource_dir_entry {
    struct list entry;
    LPWSTR id;
    struct list children;
};

/* this structure is the leaf */
struct resource_data {
    struct list entry;
    LANGID lang;
    DWORD codepage;
    DWORD cbData;
651
    void *lpData;
652 653
};

654
static int resource_strcmp( LPCWSTR a, LPCWSTR b )
655 656 657 658 659 660 661 662 663 664 665 666 667
{
    if ( a == b )
        return 0;
    if (HIWORD( a ) && HIWORD( b ) )
        return lstrcmpW( a, b );
    /* strings come before ids */
    if (HIWORD( a ) && !HIWORD( b ))
        return -1;
    if (HIWORD( b ) && !HIWORD( a ))
        return 1;
    return ( a < b ) ? -1 : 1;
}

668
static struct resource_dir_entry *find_resource_dir_entry( struct list *dir, LPCWSTR id )
669 670 671 672 673 674 675 676 677 678 679
{
    struct resource_dir_entry *ent;

    /* match either IDs or strings */
    LIST_FOR_EACH_ENTRY( ent, dir, struct resource_dir_entry, entry )
        if (!resource_strcmp( id, ent->id ))
            return ent;

    return NULL;
}

680
static struct resource_data *find_resource_data( struct list *dir, LANGID lang )
681 682 683 684 685 686 687 688 689 690 691
{
    struct resource_data *res_data;

    /* match only languages here */
    LIST_FOR_EACH_ENTRY( res_data, dir, struct resource_data, entry )
        if ( lang == res_data->lang )
             return res_data;

    return NULL;
}

692
static void add_resource_dir_entry( struct list *dir, struct resource_dir_entry *resdir )
693 694 695 696 697 698 699 700 701 702 703 704 705 706
{
    struct resource_dir_entry *ent;

    LIST_FOR_EACH_ENTRY( ent, dir, struct resource_dir_entry, entry )
    {
        if (0>resource_strcmp( ent->id, resdir->id ))
            continue;

        list_add_before( &ent->entry, &resdir->entry );
        return;
    }
    list_add_tail( dir, &resdir->entry );
}

707
static void add_resource_data_entry( struct list *dir, struct resource_data *resdata )
708 709 710 711 712 713 714 715 716 717 718 719 720 721
{
    struct resource_data *ent;

    LIST_FOR_EACH_ENTRY( ent, dir, struct resource_data, entry )
    {
        if (ent->lang < resdata->lang)
            continue;

        list_add_before( &ent->entry, &resdata->entry );
        return;
    }
    list_add_tail( dir, &resdata->entry );
}

722
static LPWSTR res_strdupW( LPCWSTR str )
723 724 725 726 727 728 729 730 731 732 733 734
{
    LPWSTR ret;
    UINT len;

    if (HIWORD(str) == 0)
        return (LPWSTR) (UINT_PTR) LOWORD(str);
    len = (lstrlenW( str ) + 1) * sizeof (WCHAR);
    ret = HeapAlloc( GetProcessHeap(), 0, len );
    memcpy( ret, str, len );
    return ret;
}

735
static void res_free_str( LPWSTR str )
736 737 738 739 740
{
    if (HIWORD(str))
        HeapFree( GetProcessHeap(), 0, str );
}

741
static BOOL update_add_resource( QUEUEDUPDATES *updates, LPCWSTR Type, LPCWSTR Name,
742
                                 struct resource_data *resdata, BOOL overwrite_existing )
743
{
744
    struct resource_dir_entry *restype, *resname;
745
    struct resource_data *existing;
746

747 748
    TRACE("%p %s %s %p %d\n", updates,
          debugstr_w(Type), debugstr_w(Name), resdata, overwrite_existing );
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771

    restype = find_resource_dir_entry( &updates->root, Type );
    if (!restype)
    {
        restype = HeapAlloc( GetProcessHeap(), 0, sizeof *restype );
        restype->id = res_strdupW( Type );
        list_init( &restype->children );
        add_resource_dir_entry( &updates->root, restype );
    }

    resname = find_resource_dir_entry( &restype->children, Name );
    if (!resname)
    {
        resname = HeapAlloc( GetProcessHeap(), 0, sizeof *resname );
        resname->id = res_strdupW( Name );
        list_init( &resname->children );
        add_resource_dir_entry( &restype->children, resname );
    }

    /*
     * If there's an existing resource entry with matching (Type,Name,Language)
     *  it needs to be removed before adding the new data.
     */
772 773
    existing = find_resource_data( &resname->children, resdata->lang );
    if (existing)
774
    {
775 776 777 778
        if (!overwrite_existing)
            return TRUE;
        list_remove( &existing->entry );
        HeapFree( GetProcessHeap(), 0, existing );
779 780 781 782 783 784 785
    }

    add_resource_data_entry( &resname->children, resdata );

    return TRUE;
}

786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811
static struct resource_data *allocate_resource_data( WORD Language, DWORD codepage,
                                                     LPVOID lpData, DWORD cbData, BOOL copy_data )
{
    struct resource_data *resdata;

    if (!lpData || !cbData)
        return NULL;

    resdata = HeapAlloc( GetProcessHeap(), 0, sizeof *resdata + (copy_data ? cbData : 0) );
    if (resdata)
    {
        resdata->lang = Language;
        resdata->codepage = codepage;
        resdata->cbData = cbData;
        if (copy_data)
        {
            resdata->lpData = &resdata[1];
            memcpy( resdata->lpData, lpData, cbData );
        }
        else
            resdata->lpData = lpData;
    }

    return resdata;
}

812
static void free_resource_directory( struct list *head, int level )
813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835
{
    struct list *ptr = NULL;

    while ((ptr = list_head( head )))
    {
        list_remove( ptr );
        if (level)
        {
            struct resource_dir_entry *ent;

            ent = LIST_ENTRY( ptr, struct resource_dir_entry, entry );
            res_free_str( ent->id );
            free_resource_directory( &ent->children, level - 1 );
            HeapFree(GetProcessHeap(), 0, ent);
        }
        else
        {
            struct resource_data *data;

            data = LIST_ENTRY( ptr, struct resource_data, entry );
            HeapFree( GetProcessHeap(), 0, data );
        }
    }
836 837
}

838
static IMAGE_NT_HEADERS *get_nt_header( void *base, DWORD mapping_size )
839
{
840 841
    IMAGE_NT_HEADERS *nt;
    IMAGE_DOS_HEADER *dos;
842

843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858
    if (mapping_size<sizeof (*dos))
        return NULL;

    dos = base;
    if (dos->e_magic != IMAGE_DOS_SIGNATURE)
        return NULL;

    if ((dos->e_lfanew + sizeof (*nt)) > mapping_size)
        return NULL;

    nt = (void*) ((BYTE*)base + dos->e_lfanew);

    if (nt->Signature != IMAGE_NT_SIGNATURE)
        return NULL;

    return nt;
859
}
860

861
static IMAGE_SECTION_HEADER *get_section_header( void *base, DWORD mapping_size, DWORD *num_sections )
862
{
863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880
    IMAGE_NT_HEADERS *nt;
    IMAGE_SECTION_HEADER *sec;
    DWORD section_ofs;

    nt = get_nt_header( base, mapping_size );
    if (!nt)
        return NULL;

    /* check that we don't go over the end of the file accessing the sections */
    section_ofs = FIELD_OFFSET(IMAGE_NT_HEADERS, OptionalHeader) + nt->FileHeader.SizeOfOptionalHeader;
    if ((nt->FileHeader.NumberOfSections * sizeof (*sec) + section_ofs) > mapping_size)
        return NULL;

    if (num_sections)
        *num_sections = nt->FileHeader.NumberOfSections;

    /* from here we have a valid PE exe to update */
    return (void*) ((BYTE*)nt + section_ofs);
881 882
}

883
static BOOL check_pe_exe( HANDLE file, QUEUEDUPDATES *updates )
884
{
885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922
    const IMAGE_NT_HEADERS *nt;
    const IMAGE_SECTION_HEADER *sec;
    BOOL ret = FALSE;
    HANDLE mapping;
    DWORD mapping_size, num_sections = 0;
    void *base = NULL;

    mapping_size = GetFileSize( file, NULL );

    mapping = CreateFileMappingW( file, NULL, PAGE_READONLY, 0, 0, NULL );
    if (!mapping)
        goto done;

    base = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, mapping_size );
    if (!base)
        goto done;

    nt = get_nt_header( base, mapping_size );
    if (!nt)
        goto done;

    TRACE("resources: %08x %08x\n",
          nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress,
          nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size);

    sec = get_section_header( base, mapping_size, &num_sections );
    if (!sec)
        goto done;

    ret = TRUE;

done:
    if (base)
        UnmapViewOfFile( base );
    if (mapping)
        CloseHandle( mapping );

    return ret;
923 924
}

925 926 927 928 929 930 931 932 933 934
struct resource_size_info {
    DWORD types_ofs;
    DWORD names_ofs;
    DWORD langs_ofs;
    DWORD data_entry_ofs;
    DWORD strings_ofs;
    DWORD data_ofs;
    DWORD total_size;
};

935 936 937 938 939 940 941 942
struct mapping_info {
    HANDLE file;
    HANDLE mapping;
    void *base;
    DWORD size;
    BOOL read_write;
};

943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973
static const IMAGE_SECTION_HEADER *section_from_rva( void *base, DWORD mapping_size, DWORD rva )
{
    const IMAGE_SECTION_HEADER *sec;
    DWORD num_sections = 0;
    int i;

    sec = get_section_header( base, mapping_size, &num_sections );
    if (!sec)
        return NULL;

    for (i=num_sections-1; i>=0; i--)
    {
        if (sec[i].VirtualAddress <= rva &&
            rva <= (DWORD)sec[i].VirtualAddress + sec[i].SizeOfRawData)
        {
            return &sec[i];
        }
    }

    return NULL;
}

static void *address_from_rva( void *base, DWORD mapping_size, DWORD rva, DWORD len )
{
    const IMAGE_SECTION_HEADER *sec;

    sec = section_from_rva( base, mapping_size, rva );
    if (!sec)
        return NULL;

    if (rva + len <= (DWORD)sec->VirtualAddress + sec->SizeOfRawData)
974
        return (void*)((LPBYTE) base + (sec->PointerToRawData + rva - sec->VirtualAddress));
975 976 977 978 979 980 981 982 983 984

    return NULL;
}

static LPWSTR resource_dup_string( const IMAGE_RESOURCE_DIRECTORY *root, const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry )
{
    const IMAGE_RESOURCE_DIR_STRING_U* string;
    LPWSTR s;

    if (!entry->u1.s1.NameIsString)
985
        return UIntToPtr(entry->u1.s2.Id);
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086

    string = (const IMAGE_RESOURCE_DIR_STRING_U*) (((const char *)root) + entry->u1.s1.NameOffset);
    s = HeapAlloc(GetProcessHeap(), 0, (string->Length + 1)*sizeof (WCHAR) );
    memcpy( s, string->NameString, (string->Length + 1)*sizeof (WCHAR) );
    s[string->Length] = 0;

    return s;
}

/* this function is based on the code in winedump's pe.c */
static BOOL enumerate_mapped_resources( QUEUEDUPDATES *updates,
                             void *base, DWORD mapping_size,
                             const IMAGE_RESOURCE_DIRECTORY *root )
{
    const IMAGE_RESOURCE_DIRECTORY *namedir, *langdir;
    const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3;
    const IMAGE_RESOURCE_DATA_ENTRY *data;
    DWORD i, j, k;

    TRACE("version (%d.%d) %d named %d id entries\n",
          root->MajorVersion, root->MinorVersion, root->NumberOfNamedEntries, root->NumberOfIdEntries);

    for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++)
    {
        LPWSTR Type;

        e1 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(root + 1) + i;

        Type = resource_dup_string( root, e1 );

        namedir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e1->u2.s3.OffsetToDirectory);
        for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++)
        {
            LPWSTR Name;

            e2 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(namedir + 1) + j;

            Name = resource_dup_string( root, e2 );

            langdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e2->u2.s3.OffsetToDirectory);
            for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
            {
                LANGID Lang;
                void *p;
                struct resource_data *resdata;

                e3 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(langdir + 1) + k;

                Lang = e3->u1.s2.Id;

                data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)root + e3->u2.OffsetToData);

                p = address_from_rva( base, mapping_size, data->OffsetToData, data->Size );

                resdata = allocate_resource_data( Lang, data->CodePage, p, data->Size, FALSE );
                if (resdata)
                    update_add_resource( updates, Type, Name, resdata, FALSE );
            }
            res_free_str( Name );
        }
        res_free_str( Type );
    }

    return TRUE;
}

static BOOL read_mapped_resources( QUEUEDUPDATES *updates, void *base, DWORD mapping_size )
{
    const IMAGE_RESOURCE_DIRECTORY *root;
    const IMAGE_NT_HEADERS *nt;
    const IMAGE_SECTION_HEADER *sec;
    DWORD num_sections = 0, i;

    nt = get_nt_header( base, mapping_size );
    if (!nt)
        return FALSE;

    sec = get_section_header( base, mapping_size, &num_sections );
    if (!sec)
        return FALSE;

    for (i=0; i<num_sections; i++)
        if (!memcmp(sec[i].Name, ".rsrc", 6))
            break;

    if (i == num_sections)
        return TRUE;

    /* check the resource data is inside the mapping */
    if (sec[i].PointerToRawData > mapping_size ||
        (sec[i].PointerToRawData + sec[i].SizeOfRawData) > mapping_size)
        return TRUE;

    TRACE("found .rsrc at %08x, size %08x\n", sec[i].PointerToRawData, sec[i].SizeOfRawData);

    root = (void*) ((BYTE*)base + sec[i].PointerToRawData);
    enumerate_mapped_resources( updates, base, mapping_size, root );

    return TRUE;
}

1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
static BOOL map_file_into_memory( struct mapping_info *mi )
{
    DWORD page_attr, perm;

    if (mi->read_write)
    {
        page_attr = PAGE_READWRITE;
        perm = FILE_MAP_WRITE | FILE_MAP_READ;
    }
    else
    {
        page_attr = PAGE_READONLY;
        perm = FILE_MAP_READ;
    }

    mi->mapping = CreateFileMappingW( mi->file, NULL, page_attr, 0, 0, NULL );
    if (!mi->mapping)
        return FALSE;

    mi->base = MapViewOfFile( mi->mapping, perm, 0, 0, mi->size );
    if (!mi->base)
        return FALSE;

    return TRUE;
}

static BOOL unmap_file_from_memory( struct mapping_info *mi )
{
    if (mi->base)
        UnmapViewOfFile( mi->base );
    mi->base = NULL;
    if (mi->mapping)
        CloseHandle( mi->mapping );
    mi->mapping = NULL;
    return TRUE;
}

static void destroy_mapping( struct mapping_info *mi )
{
    if (!mi)
        return;
    unmap_file_from_memory( mi );
    if (mi->file)
        CloseHandle( mi->file );
    HeapFree( GetProcessHeap(), 0, mi );
}

static struct mapping_info *create_mapping( LPCWSTR name, BOOL rw )
{
    struct mapping_info *mi;

    mi = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof *mi );
    if (!mi)
        return NULL;

    mi->read_write = rw;

    mi->file = CreateFileW( name, GENERIC_READ | (rw ? GENERIC_WRITE : 0),
                            0, NULL, OPEN_EXISTING, 0, 0 );

    if (mi->file != INVALID_HANDLE_VALUE)
    {
        mi->size = GetFileSize( mi->file, NULL );

        if (map_file_into_memory( mi ))
            return mi;
    }

    unmap_file_from_memory( mi );
1156
    HeapFree( GetProcessHeap(), 0, mi );
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178

    return NULL;
}

static BOOL resize_mapping( struct mapping_info *mi, DWORD new_size )
{
    if (!unmap_file_from_memory( mi ))
        return FALSE;

    /* change the file size */
    SetFilePointer( mi->file, new_size, NULL, FILE_BEGIN );
    if (!SetEndOfFile( mi->file ))
    {
        ERR("failed to set file size to %08x\n", new_size );
        return FALSE;
    }

    mi->size = new_size;

    return map_file_into_memory( mi );
}

1179
static void get_resource_sizes( QUEUEDUPDATES *updates, struct resource_size_info *si )
1180
{
1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
    struct resource_dir_entry *types, *names;
    struct resource_data *data;
    DWORD num_types = 0, num_names = 0, num_langs = 0, strings_size = 0, data_size = 0;

    memset( si, 0, sizeof *si );

    LIST_FOR_EACH_ENTRY( types, &updates->root, struct resource_dir_entry, entry )
    {
        num_types++;
        if (HIWORD( types->id ))
            strings_size += sizeof (WORD) + lstrlenW( types->id )*sizeof (WCHAR);

        LIST_FOR_EACH_ENTRY( names, &types->children, struct resource_dir_entry, entry )
        {
            num_names++;

            if (HIWORD( names->id ))
                strings_size += sizeof (WORD) + lstrlenW( names->id )*sizeof (WCHAR);

            LIST_FOR_EACH_ENTRY( data, &names->children, struct resource_data, entry )
            {
                num_langs++;
                data_size += (data->cbData + 3) & ~3;
            }
        }
    }

    /* names are at the end of the types */
    si->names_ofs = sizeof (IMAGE_RESOURCE_DIRECTORY) +
            num_types * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

    /* language directories are at the end of the names */
    si->langs_ofs = si->names_ofs +
            num_types * sizeof (IMAGE_RESOURCE_DIRECTORY) +
            num_names * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

    si->data_entry_ofs = si->langs_ofs +
            num_names * sizeof (IMAGE_RESOURCE_DIRECTORY) +
            num_langs * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

    si->strings_ofs = si->data_entry_ofs +
            num_langs * sizeof (IMAGE_RESOURCE_DATA_ENTRY);

    si->data_ofs = si->strings_ofs + ((strings_size + 3) & ~3);

    si->total_size = si->data_ofs + data_size;

    TRACE("names %08x langs %08x data entries %08x strings %08x data %08x total %08x\n",
          si->names_ofs, si->langs_ofs, si->data_entry_ofs,
          si->strings_ofs, si->data_ofs, si->total_size);
}

1233
static void res_write_padding( BYTE *res_base, DWORD size )
1234 1235 1236 1237 1238 1239 1240 1241 1242 1243
{
    static const BYTE pad[] = {
        'P','A','D','D','I','N','G','X','X','P','A','D','D','I','N','G' };
    DWORD i;

    for ( i = 0; i < size / sizeof pad; i++ )
        memcpy( &res_base[i*sizeof pad], pad, sizeof pad );
    memcpy( &res_base[i*sizeof pad], pad, size%sizeof pad );
}

1244
static BOOL write_resources( QUEUEDUPDATES *updates, LPBYTE base, struct resource_size_info *si, DWORD rva )
1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353
{
    struct resource_dir_entry *types, *names;
    struct resource_data *data;
    IMAGE_RESOURCE_DIRECTORY *root;

    TRACE("%p %p %p %08x\n", updates, base, si, rva );

    memset( base, 0, si->total_size );

    /* the root entry always exists */
    root = (IMAGE_RESOURCE_DIRECTORY*) base;
    memset( root, 0, sizeof *root );
    root->MajorVersion = 4;
    si->types_ofs = sizeof *root;
    LIST_FOR_EACH_ENTRY( types, &updates->root, struct resource_dir_entry, entry )
    {
        IMAGE_RESOURCE_DIRECTORY_ENTRY *e1;
        IMAGE_RESOURCE_DIRECTORY *namedir;

        e1 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->types_ofs];
        memset( e1, 0, sizeof *e1 );
        if (HIWORD( types->id ))
        {
            WCHAR *strings;
            DWORD len;

            root->NumberOfNamedEntries++;
            e1->u1.s1.NameIsString = 1;
            e1->u1.s1.NameOffset = si->strings_ofs;

            strings = (WCHAR*) &base[si->strings_ofs];
            len = lstrlenW( types->id );
            strings[0] = len;
            memcpy( &strings[1], types->id, len * sizeof (WCHAR) );
            si->strings_ofs += (len + 1) * sizeof (WCHAR);
        }
        else
        {
            root->NumberOfIdEntries++;
            e1->u1.s2.Id = LOWORD( types->id );
        }
        e1->u2.s3.OffsetToDirectory = si->names_ofs;
        e1->u2.s3.DataIsDirectory = TRUE;
        si->types_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

        namedir = (IMAGE_RESOURCE_DIRECTORY*) &base[si->names_ofs];
        memset( namedir, 0, sizeof *namedir );
        namedir->MajorVersion = 4;
        si->names_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY);

        LIST_FOR_EACH_ENTRY( names, &types->children, struct resource_dir_entry, entry )
        {
            IMAGE_RESOURCE_DIRECTORY_ENTRY *e2;
            IMAGE_RESOURCE_DIRECTORY *langdir;

            e2 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->names_ofs];
            memset( e2, 0, sizeof *e2 );
            if (HIWORD( names->id ))
            {
                WCHAR *strings;
                DWORD len;

                namedir->NumberOfNamedEntries++;
                e2->u1.s1.NameIsString = 1;
                e2->u1.s1.NameOffset = si->strings_ofs;

                strings = (WCHAR*) &base[si->strings_ofs];
                len = lstrlenW( names->id );
                strings[0] = len;
                memcpy( &strings[1], names->id, len * sizeof (WCHAR) );
                si->strings_ofs += (len + 1) * sizeof (WCHAR);
            }
            else
            {
                namedir->NumberOfIdEntries++;
                e2->u1.s2.Id = LOWORD( names->id );
            }
            e2->u2.s3.OffsetToDirectory = si->langs_ofs;
            e2->u2.s3.DataIsDirectory = TRUE;
            si->names_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

            langdir = (IMAGE_RESOURCE_DIRECTORY*) &base[si->langs_ofs];
            memset( langdir, 0, sizeof *langdir );
            langdir->MajorVersion = 4;
            si->langs_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY);

            LIST_FOR_EACH_ENTRY( data, &names->children, struct resource_data, entry )
            {
                IMAGE_RESOURCE_DIRECTORY_ENTRY *e3;
                IMAGE_RESOURCE_DATA_ENTRY *de;
                int pad_size;

                e3 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->langs_ofs];
                memset( e3, 0, sizeof *e3 );
                langdir->NumberOfIdEntries++;
                e3->u1.s2.Id = LOWORD( data->lang );
                e3->u2.OffsetToData = si->data_entry_ofs;

                si->langs_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);

                /* write out all the data entries */
                de = (IMAGE_RESOURCE_DATA_ENTRY*) &base[si->data_entry_ofs];
                memset( de, 0, sizeof *de );
                de->OffsetToData = si->data_ofs + rva;
                de->Size = data->cbData;
                de->CodePage = data->codepage;
                si->data_entry_ofs += sizeof (IMAGE_RESOURCE_DATA_ENTRY);

                /* write out the resource data */
1354
                memcpy( &base[si->data_ofs], data->lpData, data->cbData );
1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381
                si->data_ofs += data->cbData;

                pad_size = (-si->data_ofs)&3;
                res_write_padding( &base[si->data_ofs], pad_size );
                si->data_ofs += pad_size;
            }
        }
    }

    return TRUE;
}

/*
 *  FIXME:
 *  Assumes that the resources are in .rsrc
 *   and .rsrc is the last section in the file.
 *  Not sure whether updating resources will other cases on Windows.
 *  If the resources lie in a section containing other data,
 *   resizing that section could possibly cause trouble.
 *  If the section with the resources isn't last, the remaining
 *   sections need to be moved down in the file, and the section header
 *   would need to be adjusted.
 *  If we needed to add a section, what would we name it?
 *  If we needed to add a section and there wasn't space in the file
 *   header, how would that work?
 *  Seems that at least some of these cases can't be handled properly.
 */
1382
static IMAGE_SECTION_HEADER *get_resource_section( void *base, DWORD mapping_size )
1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416
{
    IMAGE_SECTION_HEADER *sec;
    IMAGE_NT_HEADERS *nt;
    DWORD i, num_sections = 0;

    nt = get_nt_header( base, mapping_size );
    if (!nt)
        return NULL;

    sec = get_section_header( base, mapping_size, &num_sections );
    if (!sec)
        return NULL;

    /* find the resources section */
    for (i=0; i<num_sections; i++)
        if (!memcmp(sec[i].Name, ".rsrc", 6))
            break;

    if (i == num_sections)
    {
        FIXME(".rsrc doesn't exist\n");
        return NULL;
    }

    /* check that the resources section is last */
    if (i != num_sections - 1)
    {
        FIXME(".rsrc isn't the last section\n");
        return NULL;
    }

    return &sec[i];
}

1417
static DWORD get_init_data_size( void *base, DWORD mapping_size )
1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442
{
    DWORD i, sz = 0, num_sections = 0;
    IMAGE_SECTION_HEADER *s;

    s = get_section_header( base, mapping_size, &num_sections );

    for (i=0; i<num_sections; i++)
        if (s[i].Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
            sz += s[i].SizeOfRawData;

    TRACE("size = %08x\n", sz);

    return sz;
}

static BOOL write_raw_resources( QUEUEDUPDATES *updates )
{
    static const WCHAR prefix[] = { 'r','e','s','u',0 };
    WCHAR tempdir[MAX_PATH], tempfile[MAX_PATH];
    DWORD mapping_size, section_size, old_size;
    BOOL ret = FALSE;
    IMAGE_SECTION_HEADER *sec;
    IMAGE_NT_HEADERS *nt;
    struct resource_size_info res_size;
    BYTE *res_base;
1443
    struct mapping_info *read_map = NULL, *write_map = NULL;
1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457

    /* copy the exe to a temp file then update the temp file... */
    tempdir[0] = 0;
    if (!GetTempPathW( MAX_PATH, tempdir ))
        return ret;

    if (!GetTempFileNameW( tempdir, prefix, 0, tempfile ))
        return ret;

    if (!CopyFileW( updates->pFileName, tempfile, FALSE ))
        goto done;

    TRACE("tempfile %s\n", debugstr_w(tempfile));

1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471
    if (!updates->bDeleteExistingResources)
    {
        read_map = create_mapping( updates->pFileName, FALSE );
        if (!read_map)
            goto done;

        ret = read_mapped_resources( updates, read_map->base, read_map->size );
        if (!ret)
        {
            ERR("failed to read existing resources\n");
            goto done;
        }
    }

1472 1473
    write_map = create_mapping( tempfile, TRUE );
    if (!write_map)
1474 1475
        goto done;

1476
    nt = get_nt_header( write_map->base, write_map->size );
1477 1478 1479 1480 1481 1482 1483 1484 1485
    if (!nt)
        goto done;

    if (nt->OptionalHeader.SectionAlignment <= 0)
    {
        ERR("invalid section alignment %04x\n", nt->OptionalHeader.SectionAlignment);
        goto done;
    }

1486
    sec = get_resource_section( write_map->base, write_map->size );
1487
    if (!sec)
1488
        goto done;
1489

1490
    if ((sec->SizeOfRawData + sec->PointerToRawData) != write_map->size)
1491 1492
    {
        FIXME(".rsrc isn't at the end of the image %08x + %08x != %08x\n",
1493
            sec->SizeOfRawData, sec->PointerToRawData, write_map->size);
1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511
        goto done;
    }

    TRACE("before .rsrc at %08x, size %08x\n", sec->PointerToRawData, sec->SizeOfRawData);

    get_resource_sizes( updates, &res_size );

    /* round up the section size */
    section_size = res_size.total_size;
    section_size += (-section_size) % nt->OptionalHeader.SectionAlignment;

    mapping_size = sec->PointerToRawData + section_size;

    TRACE("requires %08x (%08x) bytes\n", res_size.total_size, section_size );

    /* check if the file size needs to be changed */
    if (section_size != sec->SizeOfRawData)
    {
1512 1513
        old_size = write_map->size;

1514 1515 1516
        TRACE("file size %08x -> %08x\n", old_size, mapping_size);

        /* unmap the file before changing the file size */
1517
        ret = resize_mapping( write_map, mapping_size );
1518 1519

        /* get the pointers again - they might be different after remapping */
1520
        nt = get_nt_header( write_map->base, mapping_size );
1521 1522 1523 1524 1525 1526
        if (!nt)
        {
            ERR("couldn't get NT header\n");
            goto done;
        }

1527
        sec = get_resource_section( write_map->base, mapping_size );
1528 1529 1530 1531 1532 1533 1534 1535
        if (!sec)
             goto done;

        /* adjust the PE header information */
        nt->OptionalHeader.SizeOfImage += (mapping_size - old_size);
        sec->SizeOfRawData = section_size;
        sec->Misc.VirtualSize = section_size;
        nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = res_size.total_size;
1536
        nt->OptionalHeader.SizeOfInitializedData = get_init_data_size( write_map->base, mapping_size );
1537 1538
    }

1539
    res_base = (LPBYTE) write_map->base + sec->PointerToRawData;
1540

1541
    TRACE("base = %p offset = %08x\n", write_map->base, sec->PointerToRawData);
1542 1543 1544 1545 1546 1547 1548 1549

    ret = write_resources( updates, res_base, &res_size, sec->VirtualAddress );

    res_write_padding( res_base + res_size.total_size, section_size - res_size.total_size );

    TRACE("after  .rsrc at %08x, size %08x\n", sec->PointerToRawData, sec->SizeOfRawData);

done:
1550
    destroy_mapping( read_map );
1551
    destroy_mapping( write_map );
1552 1553 1554 1555 1556 1557 1558

    if (ret)
        ret = CopyFileW( tempfile, updates->pFileName, FALSE );

    DeleteFileW( tempfile );

    return ret;
1559 1560
}

1561 1562 1563 1564 1565
/***********************************************************************
 *          BeginUpdateResourceW                 (KERNEL32.@)
 */
HANDLE WINAPI BeginUpdateResourceW( LPCWSTR pFileName, BOOL bDeleteExistingResources )
{
1566 1567
    QUEUEDUPDATES *updates = NULL;
    HANDLE hUpdate, file, ret = NULL;
1568

1569
    TRACE("%s, %d\n", debugstr_w(pFileName), bDeleteExistingResources);
1570

1571 1572 1573
    hUpdate = GlobalAlloc(GHND, sizeof(QUEUEDUPDATES));
    if (!hUpdate)
        return ret;
1574

1575 1576
    updates = GlobalLock(hUpdate);
    if (updates)
1577
    {
1578
        list_init( &updates->root );
1579
        updates->bDeleteExistingResources = bDeleteExistingResources;
1580 1581 1582 1583
        updates->pFileName = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(pFileName)+1)*sizeof(WCHAR));
        if (updates->pFileName)
        {
            lstrcpyW(updates->pFileName, pFileName);
1584

1585 1586
            file = CreateFileW( pFileName, GENERIC_READ | GENERIC_WRITE,
                                0, NULL, OPEN_EXISTING, 0, 0 );
1587

1588 1589
            /* if resources are deleted, only the file's presence is checked */
            if (file != INVALID_HANDLE_VALUE &&
1590
                (bDeleteExistingResources || check_pe_exe( file, updates )))
1591 1592 1593
                ret = hUpdate;
            else
                HeapFree( GetProcessHeap(), 0, updates->pFileName );
1594

1595 1596
            CloseHandle( file );
        }
1597 1598
        GlobalUnlock(hUpdate);
    }
1599 1600 1601 1602

    if (!ret)
        GlobalFree(hUpdate);

1603
    return ret;
1604 1605 1606 1607
}


/***********************************************************************
1608
 *          BeginUpdateResourceA                 (KERNEL32.@)
1609
 */
1610
HANDLE WINAPI BeginUpdateResourceA( LPCSTR pFileName, BOOL bDeleteExistingResources )
1611
{
1612 1613 1614 1615 1616 1617
    UNICODE_STRING FileNameW;
    HANDLE ret;
    RtlCreateUnicodeStringFromAsciiz(&FileNameW, pFileName);
    ret = BeginUpdateResourceW(FileNameW.Buffer, bDeleteExistingResources);
    RtlFreeUnicodeString(&FileNameW);
    return ret;
1618 1619 1620 1621 1622 1623 1624 1625
}


/***********************************************************************
 *          EndUpdateResourceW                 (KERNEL32.@)
 */
BOOL WINAPI EndUpdateResourceW( HANDLE hUpdate, BOOL fDiscard )
{
1626 1627
    QUEUEDUPDATES *updates;
    BOOL ret;
1628

1629
    TRACE("%p %d\n", hUpdate, fDiscard);
1630

1631 1632 1633
    updates = GlobalLock(hUpdate);
    if (!updates)
        return FALSE;
1634

1635 1636
    ret = fDiscard || write_raw_resources( updates );

1637 1638
    free_resource_directory( &updates->root, 2 );

1639 1640 1641
    HeapFree( GetProcessHeap(), 0, updates->pFileName );
    GlobalUnlock( hUpdate );
    GlobalFree( hUpdate );
1642 1643

    return ret;
1644 1645 1646 1647
}


/***********************************************************************
1648
 *          EndUpdateResourceA                 (KERNEL32.@)
1649
 */
1650
BOOL WINAPI EndUpdateResourceA( HANDLE hUpdate, BOOL fDiscard )
1651
{
1652
    return EndUpdateResourceW(hUpdate, fDiscard);
1653 1654 1655 1656 1657 1658
}


/***********************************************************************
 *           UpdateResourceW                 (KERNEL32.@)
 */
1659 1660 1661
BOOL WINAPI UpdateResourceW( HANDLE hUpdate, LPCWSTR lpType, LPCWSTR lpName,
                             WORD wLanguage, LPVOID lpData, DWORD cbData)
{
1662
    QUEUEDUPDATES *updates;
1663 1664
    BOOL ret = FALSE;

1665 1666
    TRACE("%p %s %s %08x %p %d\n", hUpdate,
          debugstr_w(lpType), debugstr_w(lpName), wLanguage, lpData, cbData);
1667

1668 1669
    updates = GlobalLock(hUpdate);
    if (updates)
1670
    {
1671 1672 1673 1674
        struct resource_data *data;
        data = allocate_resource_data( wLanguage, 0, lpData, cbData, TRUE );
        if (data)
            ret = update_add_resource( updates, lpType, lpName, data, TRUE );
1675
        GlobalUnlock(hUpdate);
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685
    }
    return ret;
}


/***********************************************************************
 *           UpdateResourceA                 (KERNEL32.@)
 */
BOOL WINAPI UpdateResourceA( HANDLE hUpdate, LPCSTR lpType, LPCSTR lpName,
                             WORD wLanguage, LPVOID lpData, DWORD cbData)
1686
{
1687 1688 1689 1690
    BOOL ret;
    UNICODE_STRING TypeW;
    UNICODE_STRING NameW;
    if(!HIWORD(lpType))
1691
        TypeW.Buffer = ULongToPtr(LOWORD(lpType));
1692 1693 1694
    else
        RtlCreateUnicodeStringFromAsciiz(&TypeW, lpType);
    if(!HIWORD(lpName))
1695
        NameW.Buffer = ULongToPtr(LOWORD(lpName));
1696 1697 1698 1699 1700 1701
    else
        RtlCreateUnicodeStringFromAsciiz(&NameW, lpName);
    ret = UpdateResourceW(hUpdate, TypeW.Buffer, NameW.Buffer, wLanguage, lpData, cbData);
    if(HIWORD(lpType)) RtlFreeUnicodeString(&TypeW);
    if(HIWORD(lpName)) RtlFreeUnicodeString(&NameW);
    return ret;
1702
}