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

Rev	Author	Line No.	Line
259	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 <Resources.h>
		24
		25	#include "file_compat.h"
		26
440	daniel-mar	27	Boolean readPARMresource(HMODULE hm,char **reason){
259	daniel-mar	28	Boolean res = false;
		29	Handle h;
		30
440	daniel-mar	31	if( (h = Get1Resource(PARM_TYPE,PARM_ID_NEW)) \|\|
		32	(h = Get1Resource(PARM_TYPE,PARM_ID_OLD)) )
		33	{
259	daniel-mar	34	HLock(h);
271	daniel-mar	35	if(GetHandleSize(h) == sizeof(PARM_T)) {
440	daniel-mar	36	res = readPARM(h, &gdata->parm, reason, 0 /Mac format resource*/);
		37	gdata->obfusc = false;
		38	ReleaseResource(h);
		39	} else {
		40	// PARM has wrong size. Should not happen
		41	gdata->obfusc = false;
		42	ReleaseResource(h);
		43	return false;
		44	}
		45	}
		46	else if( ((h = Get1Resource(OBFUSCDATA_TYPE_NEW,OBFUSCDATA_ID_NEW)) \|\|
		47	(h = Get1Resource(OBFUSCDATA_TYPE_OLD,OBFUSCDATA_ID_OLD))) )
		48	{
		49	HLock(h);
		50	if(GetHandleSize(h) == sizeof(PARM_T)) {
271	daniel-mar	51	deobfusc((PARM_T)h);
440	daniel-mar	52	res = readPARM(h, &gdata->parm, reason, 0 /Mac format resource*/);
271	daniel-mar	53	gdata->obfusc = true;
440	daniel-mar	54	ReleaseResource(h);
271	daniel-mar	55	} else {
		56	// Obfuscated PARM has wrong size. Should not happen
		57	gdata->obfusc = false;
		58	ReleaseResource(h);
		59	return false;
		60	}
259	daniel-mar	61	}
		62	if (!res) {
		63	gdata->obfusc = false;
		64	}
		65	return res;
		66	}
		67
		68	static Boolean readmacplugin(StandardFileReply sfr,char *reason){
		69	Boolean res = false;
		70	short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm);
		71
		72	if(rrn != -1){
440	daniel-mar	73	if(readPARMresource(NULL,reason))
259	daniel-mar	74	res = true;
		75	CloseResFile(rrn);
		76	}else
		77	*reason = "Could not open file.";
		78	return res;
		79	}
		80
		81	Boolean loadfile(StandardFileReply sfr,char *reason){
		82	Boolean readok = false;
		83	FInfo fndrInfo;
		84
408	daniel-mar	85	// The different read-functions will return true if the resource was successfully loaded,
		86	// or false otherwise. If *reason is set, then the answer is clearly "No". If the result
		87	// is just false, it means that the program should continue with the next read-function.
		88	*reason = NULL;
		89
259	daniel-mar	90	if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){
		91	// first try to read text parameters (AFS, TXT, PFF)
408	daniel-mar	92	if (*reason == NULL) {
		93	if (readfile_afs_pff(sfr,reason)) {
		94	gdata->parmloaded = false;
		95	gdata->obfusc = false;
		96	return true;
		97	}
		98	}
440	daniel-mar	99
408	daniel-mar	100	// then try "Filters Unlimited" file (FFX)
		101	if (*reason == NULL) {
		102	if (readfile_ffx(sfr,reason)) {
		103	gdata->parmloaded = true;
		104	gdata->obfusc = false;
		105	return true;
		106	}
		107	}
440	daniel-mar	108
408	daniel-mar	109	// then try "PluginCommander TXT" file (TXT)
		110	if (*reason == NULL) {
		111	if (readfile_picotxt(sfr,reason)) {
		112	gdata->parmloaded = true;
		113	gdata->obfusc = false;
		114	return true;
		115	}
		116	}
440	daniel-mar	117
408	daniel-mar	118	// Try Mac plugin resource
		119	if (*reason == NULL) {
		120	if (readmacplugin(sfr,reason)) {
		121	if (gdata->parm.iProtected) {
		122	*reason = "The filter is protected.";
		123	} else {
		124	gdata->parmloaded = true;
		125	return true;
		126	}
		127	}
		128	}
440	daniel-mar	129
408	daniel-mar	130	// Try Windows resources (we need to do a binary scan)
		131	// Note that we cannot detect obfuscated filters here!
		132	if (*reason == NULL) {
		133	if (readfile_8bf(sfr,reason)) {
		134	if (gdata->parm.iProtected) {
		135	*reason = "The filter is protected.";
		136	} else {
		137	gdata->parmloaded = true;
		138	return true;
		139	}
		140	}
		141	}
375	daniel-mar	142
408	daniel-mar	143	// We didn't had success. If we have a clear reason, return false and the reason.
		144	// If we don't have a clear reason, set a generic reason and return false.
440	daniel-mar	145	if (*reason == NULL) {
408	daniel-mar	146	*reason = "It is not a text parameter file, nor a standalone Mac/PC filter created by Filter Factory/Filter Foundry.";
		147	}
		148	return false;
		149	} else {
		150	*reason = "File cannot be opened";
		151	return false;
259	daniel-mar	152	}
		153	}

Subversion Repositories filter_foundry

filter_foundry/trunk/load_mac.c – Rev 440