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| Rev | Author | Line No. | Line |
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| 259 | daniel-mar | 1 | /* |
| 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
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| 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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| 4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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| 5 | |||
| 6 | This program is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2 of the License, or |
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| 9 | (at your option) any later version. |
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| 10 | |||
| 11 | This program is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |||
| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with this program; if not, write to the Free Software |
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| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "ff.h" |
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| 22 | |||
| 23 | #include <Resources.h> |
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| 24 | |||
| 25 | #include "file_compat.h" |
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| 26 | |||
| 27 | Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){ |
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| 28 | Boolean res = false; |
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| 29 | Handle h; |
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| 30 | |||
| 375 | daniel-mar | 31 | if( !(h = Get1Resource(PARM_TYPE,PARM_ID_NEW)) |
| 32 | && !(h = Get1Resource(PARM_TYPE,PARM_ID_OLD)) |
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| 259 | daniel-mar | 33 | && readobfusc |
| 375 | daniel-mar | 34 | && ((h = Get1Resource(OBFUSCDATA_TYPE_NEW,OBFUSCDATA_ID_NEW)) || |
| 35 | (h = Get1Resource(OBFUSCDATA_TYPE_OLD,OBFUSCDATA_ID_OLD))) ){ |
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| 259 | daniel-mar | 36 | HLock(h); |
| 271 | daniel-mar | 37 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
| 38 | deobfusc((PARM_T*)*h); |
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| 39 | gdata->obfusc = true; |
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| 40 | } else { |
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| 41 | // Obfuscated PARM has wrong size. Should not happen |
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| 42 | gdata->obfusc = false; |
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| 43 | ReleaseResource(h); |
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| 44 | return false; |
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| 45 | } |
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| 259 | daniel-mar | 46 | } |
| 47 | if(h){ |
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| 48 | HLock(h); |
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| 49 | res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
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| 50 | ReleaseResource(h); |
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| 51 | gdata->obfusc = false; |
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| 52 | } |
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| 53 | if (!res) { |
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| 54 | gdata->obfusc = false; |
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| 55 | } |
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| 56 | return res; |
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| 57 | } |
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| 58 | |||
| 59 | static Boolean readmacplugin(StandardFileReply *sfr,char **reason){ |
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| 60 | Boolean res = false; |
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| 61 | short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
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| 62 | |||
| 63 | if(rrn != -1){ |
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| 64 | if(readPARMresource(NULL,reason,0)) |
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| 65 | res = true; |
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| 66 | CloseResFile(rrn); |
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| 67 | }else |
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| 68 | *reason = "Could not open file."; |
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| 69 | return res; |
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| 70 | } |
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| 71 | |||
| 72 | Boolean loadfile(StandardFileReply *sfr,char **reason){ |
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| 73 | Boolean readok = false; |
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| 74 | FInfo fndrInfo; |
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| 75 | |||
| 76 | if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){ |
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| 77 | // first try to read text parameters (AFS, TXT, PFF) |
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| 366 | daniel-mar | 78 | if( (readok = readfile_afs_pff(sfr,reason)) ) { |
| 259 | daniel-mar | 79 | gdata->parmloaded = false; |
| 80 | gdata->obfusc = false; |
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| 375 | daniel-mar | 81 | |
| 366 | daniel-mar | 82 | } // then try "Filters Unlimited" file (FFX) |
| 83 | else if( (readok = readfile_ffx(sfr,reason)) ) { |
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| 84 | gdata->parmloaded = true; |
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| 85 | gdata->obfusc = false; |
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| 375 | daniel-mar | 86 | |
| 385 | daniel-mar | 87 | } // then try "PluginCommander TXT" file (TXT) |
| 88 | else if( (readok = readfile_picotxt(sfr,reason)) ) { |
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| 89 | gdata->parmloaded = true; |
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| 90 | gdata->obfusc = false; |
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| 91 | |||
| 366 | daniel-mar | 92 | } // then try plugin formats (Mac first, then Windows .8bf or .prm DLL) |
| 373 | daniel-mar | 93 | else if( (readok = readmacplugin(sfr,reason) || readfile_8bf(sfr,reason)) ){ |
| 259 | daniel-mar | 94 | if ((gdata->parm.cbSize != PARM_SIZE) && (gdata->parm.cbSize != PARM_SIZE_PREMIERE) && (gdata->parm.cbSize != PARM_SIG_MAC)) { |
| 292 | daniel-mar | 95 | *reason = "Incompatible obfuscation."; |
| 96 | //gdata->parmloaded = false; |
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| 259 | daniel-mar | 97 | return false; // Stop! We know the issue now. |
| 98 | }else if(gdata->parm.iProtected){ |
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| 99 | *reason = "The filter is protected."; |
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| 292 | daniel-mar | 100 | //gdata->parmloaded = false; |
| 259 | daniel-mar | 101 | return false; |
| 102 | }else |
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| 103 | gdata->parmloaded = true; |
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| 104 | }else |
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| 105 | *reason = "It is not a text parameter (AFS) file, nor a standalone Mac/PC filter made by Filter Factory/Filter Foundry."; |
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| 106 | } |
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| 107 | |||
| 108 | return readok; |
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| 109 | } |