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

Rev	Author	Line No.	Line
2	toby	1	/*
18	toby	2	This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop
85	toby	3	Copyright (C) 2003-7 Toby Thain, toby@telegraphics.com.au
2	toby	4
		5	This program is free software; you can redistribute it and/or modify
106	dmarschall	6	it under the terms of the GNU General Public License as published by
2	toby	7	the Free Software Foundation; either version 2 of the License, or
		8	(at your option) any later version.
		9
		10	This program is distributed in the hope that it will be useful,
		11	but WITHOUT ANY WARRANTY; without even the implied warranty of
		12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		13	GNU General Public License for more details.
		14
106	dmarschall	15	You should have received a copy of the GNU General Public License
2	toby	16	along with this program; if not, write to the Free Software
		17	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		18	*/
		19
		20	#include "ff.h"
		21
		22	#include "file_compat.h"
		23
		24	#include <string.h>
		25
116	dmarschall	26	static UINT16 parm_id;
35	toby	27
		28	// see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/resources/introductiontoresources/resourcereference/resourcefunctions/findresource.asp
62	toby	29	static BOOL CALLBACK enumnames(HMODULE hModule,LPCTSTR lpszType,
		30	LPTSTR lpszName,LONG_PTR lParam)
		31	{
35	toby	32	if(IS_INTRESOURCE(lpszName))
116	dmarschall	33	parm_id = (UINT16)((intptr_t)lpszName & 0xFFFF);
35	toby	34	return false; // we only want the first one
		35	}
		36
87	toby	37	Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){
2	toby	38	HRSRC resinfo;
		39	HANDLE h;
		40	Ptr pparm;
87	toby	41	int res = false;
106	dmarschall	42
35	toby	43	parm_id = PARM_ID;
		44	EnumResourceNames(hm,"PARM",enumnames,0);
106	dmarschall	45
35	toby	46	// load first PARM resource
87	toby	47	if( (resinfo = FindResource(hm,MAKEINTRESOURCE(parm_id),"PARM")) ){
		48	if( (h = LoadResource(hm,resinfo)) && (pparm = LockResource(h)) )
		49	res = readPARM(pparm,&gdata->parm,reason,1 /Windows format resource/);
		50	}else if( readobfusc && (resinfo = FindResource(hm,MAKEINTRESOURCE(OBFUSCDATA_ID),RT_RCDATA)) ){
		51	if( (h = LoadResource(hm,resinfo)) && (pparm = LockResource(h)) ){
106	dmarschall	52	// Fix by DM, 18 Dec 2018:
		53	// We need to copy the information, because the resource data is read-only
		54	DWORD resSize = SizeofResource(hm,resinfo);
		55	byte* copy = malloc(resSize);
		56	memcpy(copy, pparm, resSize);
		57	obfusc(copy, resSize);
		58	res = readPARM(copy,&gdata->parm,reason,1);
		59	free(copy);
85	toby	60	}
		61	}
87	toby	62	return res;
2	toby	63	}
		64
		65	// see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/loadlibraryex.asp
		66
147	dmarschall	67	static Boolean read8bfplugin(StandardFileReply sfr,char *reason){
		68	unsigned char magic[2];
		69	long count;
		70	Handle h;
		71	Boolean res = false;
		72	FILEREF refnum;
		73	int i;
		74
		75	if(!FSpOpenDF(&sfr->sfFile,fsRdPerm,&refnum)){
		76	// check DOS EXE magic number
		77	count = 2;
		78	if(!FSRead(refnum,&count,magic) && magic[0]=='M' && magic[1]=='Z'){
		79	if(!GetEOF(refnum,&count) && count < 256L<<10){ // sanity check file size < 256K
		80	if( (h = readfileintohandle(refnum)) ){
		81	long q = (long)PILOCKHANDLE(h,false);
		82
		83	// look for signature at start of valid PARM resource
		84	// This signature is observed in Filter Factory standalones.
		85	for( count /= 4 ; count >= PARM_SIZE/4 ; --count, ++q )
		86	if( ((q[0] == PARM_SIZE) \|\|
		87	(q[0] == PARM_SIZE_PREMIERE) \|\|
		88	(q[0] == PARM_SIG_FOUNDRY_OLD)) && q[1] == 1
		89	&& (res = readPARM((char)q, &gdata->parm, reason, 1 /Windows format resource*/)) )
		90	{
		91	}
		92
		93	PIDISPOSEHANDLE(h);
		94	}
		95	}
		96	} // else no point in proceeding
		97	FSClose(refnum);
		98	}else
		99	*reason = "Could not open file.";
		100	return res;
		101	}
		102
2	toby	103	Boolean loadfile(StandardFileReply sfr,char *reason){
		104	Boolean readok = false;
		105	HMODULE hm;
		106
		107	sfr->sfFile.name[*sfr->sfFile.name+1] = 0; // add terminating null
		108
		109	if(sfr->nFileExtension){
145	dmarschall	110	if ((!strcasecmp((char*)sfr->sfFile.name + 1 + sfr->nFileExtension,"8bf")) \|\|
		111	(!strcasecmp((char*)sfr->sfFile.name + 1 + sfr->nFileExtension,"prm"))) {
		112	// File extention is 8bf or prm
23	toby	113	if( (hm = LoadLibraryEx((char*)sfr->sfFile.name+1,NULL,LOAD_LIBRARY_AS_DATAFILE)) ){
87	toby	114	if(readPARMresource(hm,reason,0)){
2	toby	115	if(gdata->parm.iProtected)
85	toby	116	*reason = "The filter is protected.";
2	toby	117	else
		118	readok = gdata->parmloaded = true;
85	toby	119	}else
		120	*reason = "It is not a standalone filter made by Filter Factory/Filter Foundry.";
2	toby	121	FreeLibrary(hm);
		122	}else{
147	dmarschall	123	//*reason = "Could not open file (LoadLibrary failed).";
		124	//dbglasterror("LoadLibraryEx");
		125
		126	// Maybe it is 16 bit Windows? Try to find the resource
		127	if (!(readok = read8bfplugin(sfr, reason))) {
		128	*reason = "PARM resource was not found in this plugin file";
		129	}
2	toby	130	}
		131	}else{
145	dmarschall	132	// Try to read as AFS/PFF/TXT file
23	toby	133	if( (readok = readfile(sfr,reason)) )
2	toby	134	gdata->parmloaded = false;
		135	}
		136	}
		137
		138	return readok;
		139	}

Subversion Repositories filter_foundry

filter_foundry/trunk/load_win.c @ 192 – Rev 147