WebSVN – filter_foundry – Blame – /trunk/load_win.c

Rev	Author	Line No.	Line
256	daniel-mar	1	/*
		2	This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop
		3	Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au
		4	Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft
		5
		6	This program is free software; you can redistribute it and/or modify
		7	it under the terms of the GNU General Public License as published by
		8	the Free Software Foundation; either version 2 of the License, or
		9	(at your option) any later version.
		10
		11	This program is distributed in the hope that it will be useful,
		12	but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	GNU General Public License for more details.
		15
		16	You should have received a copy of the GNU General Public License
		17	along with this program; if not, write to the Free Software
		18	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		19	*/
		20
		21	#include "ff.h"
		22
		23	#include "file_compat.h"
		24
		25	#include <string.h>
		26
		27	static UINT16 parm_id;
		28
		29	static BOOL CALLBACK enumnames(HMODULE hModule,LPCTSTR lpszType,
		30	LPTSTR lpszName,LONG_PTR lParam)
		31	{
345	daniel-mar	32	if (IS_INTRESOURCE(lpszName)) {
256	daniel-mar	33	parm_id = (UINT16)((intptr_t)lpszName & 0xFFFF);
345	daniel-mar	34	return false; // we only want the first one
		35	}
		36	else return true;
256	daniel-mar	37	}
		38
		39	Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){
		40	HRSRC resinfo;
		41	HANDLE h;
		42	Ptr pparm;
		43	int res = false;
		44
375	daniel-mar	45	parm_id = 0;
		46	EnumResourceNames(hm,PARM_TYPE,enumnames,0); // callback function enumnames() will find the actual found parm_id
256	daniel-mar	47
		48	// load first PARM resource
375	daniel-mar	49	if( (resinfo = FindResource(hm,MAKEINTRESOURCE(parm_id),PARM_TYPE)) ){
256	daniel-mar	50	if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) {
		51	res = readPARM(pparm, &gdata->parm, reason, 1 /Windows format resource/);
		52	gdata->obfusc = false;
		53	}
375	daniel-mar	54	}else if( readobfusc &&
		55	((resinfo = FindResource(hm,OBFUSCDATA_ID_NEW,OBFUSCDATA_TYPE_NEW)) \|\|
		56	(resinfo = FindResource(hm,OBFUSCDATA_ID_OLD,OBFUSCDATA_TYPE_OLD))) ){
256	daniel-mar	57	if( (h = LoadResource(hm,resinfo)) && (pparm = (Ptr)LockResource(h)) ){
		58	// Fix by DM, 18 Dec 2018:
		59	// We need to copy the information, because the resource data is read-only
		60	DWORD resSize = SizeofResource(hm,resinfo);
271	daniel-mar	61	if (resSize == sizeof(PARM_T)) {
		62	PARM_T* copy = (PARM_T*)malloc(resSize);
		63	if (!copy) return false;
		64	memcpy(copy, pparm, resSize);
		65	deobfusc(copy);
		66	res = readPARM((Ptr)copy,&gdata->parm,reason,1);
		67	gdata->obfusc = true;
		68	free(copy);
		69	} else {
309	daniel-mar	70	// Obfuscationed PARM has wrong size. It is probably a file with different RCDATA
271	daniel-mar	71	gdata->obfusc = false;
		72	return false;
		73	}
256	daniel-mar	74	}
		75	}
		76	if (!res) {
		77	gdata->obfusc = false;
		78	}
		79	return res;
		80	}
		81
		82	Boolean loadfile(StandardFileReply sfr,char *reason){
		83	Boolean readok = false;
		84	HMODULE hm;
		85
		86	// First, try to read the file as AFS/PFF/TXT file
366	daniel-mar	87	if( (readok = readfile_afs_pff(sfr,reason)) ){
256	daniel-mar	88	gdata->obfusc = false;
		89	gdata->parmloaded = false;
		90	}
		91
		92	// If that didn't work, try to load as Windows image file (Resource API for 8BF/PRM files)
		93	if (!readok) {
		94	char name[MAX_PATH+1];
		95	if (hm = LoadLibraryEx(myp2cstrcpy(name,sfr->sfFile.name),NULL,LOAD_LIBRARY_AS_DATAFILE)) {
		96	if (readPARMresource(hm,reason,READ_OBFUSC)) {
		97	if ((gdata->parm.cbSize != PARM_SIZE) && (gdata->parm.cbSize != PARM_SIZE_PREMIERE) && (gdata->parm.cbSize != PARM_SIG_MAC)) {
292	daniel-mar	98	*reason = _strdup("Incompatible obfuscation.");
		99	//gdata->parmloaded = false;
256	daniel-mar	100	return false; // Stop! We know the issue now.
		101	} else if (gdata->parm.iProtected) {
		102	*reason = _strdup("The filter is protected.");
292	daniel-mar	103	//gdata->parmloaded = false;
256	daniel-mar	104	return false; // Stop! We know the issue now.
		105	} else {
		106	readok = gdata->parmloaded = true;
		107	}
		108	}
		109	FreeLibrary(hm);
		110	}
		111	}
		112
366	daniel-mar	113	// Is it a "Filters Unlimited" filter? (Only partially compatible with Filter Factory!!!)
		114	if (!readok) {
		115	if (readfile_ffx(sfr, reason)) {
		116	readok = gdata->parmloaded = true;
		117	}
		118	}
		119
256	daniel-mar	120	// If nothing worked, we will try to find a PARM resource (MacOS plugin, or NE executable on Win64)
		121	if (!readok) {
373	daniel-mar	122	if (readfile_8bf(sfr, reason)) {
256	daniel-mar	123	if (gdata->parm.iProtected) {
		124	*reason = _strdup("The filter is protected.");
		125	return false; // Stop! We know the issue now.
		126	}
		127	else {
		128	readok = gdata->parmloaded = true;
		129	}
		130	}
		131	}
		132
		133	// Check if we had success
		134	if (!readok) {
		135	*reason = _strdup("It is not a text parameter (AFS) file, nor a standalone Mac/PC filter made by Filter Factory/Filter Foundry.");
		136	}
		137
		138	return readok;
		139	}

Subversion Repositories filter_foundry

filter_foundry/trunk/load_win.c – Rev 375