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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 256 | 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 "file_compat.h" |
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| 24 | |||
| 25 | #include <string.h> |
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| 26 | |||
| 27 | static UINT16 parm_id; |
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| 28 | |||
| 29 | static BOOL CALLBACK enumnames(HMODULE hModule,LPCTSTR lpszType, |
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| 30 | LPTSTR lpszName,LONG_PTR lParam) |
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| 31 | { |
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| 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 | } |
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| 36 | else return true; |
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| 256 | daniel-mar | 37 | } |
| 38 | |||
| 39 | Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){ |
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| 40 | HRSRC resinfo; |
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| 41 | HANDLE h; |
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| 42 | Ptr pparm; |
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| 43 | int res = false; |
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| 44 | |||
| 345 | daniel-mar | 45 | parm_id = PARM_ID; // default value |
| 46 | EnumResourceNames(hm,"PARM",enumnames,0); // callback function enumnames() will find the actual found parm_id |
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| 256 | daniel-mar | 47 | |
| 48 | // load first PARM resource |
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| 49 | if( (resinfo = FindResource(hm,MAKEINTRESOURCE(parm_id),"PARM")) ){ |
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| 50 | if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) { |
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| 51 | res = readPARM(pparm, &gdata->parm, reason, 1 /*Windows format resource*/); |
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| 52 | gdata->obfusc = false; |
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| 53 | } |
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| 54 | }else if( readobfusc && (resinfo = FindResource(hm,MAKEINTRESOURCE(OBFUSCDATA_ID),RT_RCDATA)) ){ |
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| 55 | if( (h = LoadResource(hm,resinfo)) && (pparm = (Ptr)LockResource(h)) ){ |
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| 56 | // Fix by DM, 18 Dec 2018: |
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| 57 | // We need to copy the information, because the resource data is read-only |
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| 58 | DWORD resSize = SizeofResource(hm,resinfo); |
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| 271 | daniel-mar | 59 | if (resSize == sizeof(PARM_T)) { |
| 60 | PARM_T* copy = (PARM_T*)malloc(resSize); |
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| 61 | if (!copy) return false; |
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| 62 | memcpy(copy, pparm, resSize); |
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| 63 | deobfusc(copy); |
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| 64 | res = readPARM((Ptr)copy,&gdata->parm,reason,1); |
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| 65 | gdata->obfusc = true; |
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| 66 | free(copy); |
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| 67 | } else { |
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| 309 | daniel-mar | 68 | // Obfuscationed PARM has wrong size. It is probably a file with different RCDATA |
| 271 | daniel-mar | 69 | gdata->obfusc = false; |
| 70 | return false; |
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| 71 | } |
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| 256 | daniel-mar | 72 | } |
| 73 | } |
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| 74 | if (!res) { |
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| 75 | gdata->obfusc = false; |
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| 76 | } |
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| 77 | return res; |
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| 78 | } |
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| 79 | |||
| 80 | Boolean loadfile(StandardFileReply *sfr,char **reason){ |
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| 81 | Boolean readok = false; |
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| 82 | HMODULE hm; |
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| 83 | |||
| 84 | // First, try to read the file as AFS/PFF/TXT file |
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| 366 | daniel-mar | 85 | if( (readok = readfile_afs_pff(sfr,reason)) ){ |
| 256 | daniel-mar | 86 | gdata->obfusc = false; |
| 87 | gdata->parmloaded = false; |
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| 88 | } |
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| 89 | |||
| 90 | // If that didn't work, try to load as Windows image file (Resource API for 8BF/PRM files) |
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| 91 | if (!readok) { |
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| 92 | char name[MAX_PATH+1]; |
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| 93 | if (hm = LoadLibraryEx(myp2cstrcpy(name,sfr->sfFile.name),NULL,LOAD_LIBRARY_AS_DATAFILE)) { |
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| 94 | if (readPARMresource(hm,reason,READ_OBFUSC)) { |
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| 95 | if ((gdata->parm.cbSize != PARM_SIZE) && (gdata->parm.cbSize != PARM_SIZE_PREMIERE) && (gdata->parm.cbSize != PARM_SIG_MAC)) { |
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| 292 | daniel-mar | 96 | *reason = _strdup("Incompatible obfuscation."); |
| 97 | //gdata->parmloaded = false; |
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| 256 | daniel-mar | 98 | return false; // Stop! We know the issue now. |
| 99 | } else if (gdata->parm.iProtected) { |
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| 100 | *reason = _strdup("The filter is protected."); |
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| 292 | daniel-mar | 101 | //gdata->parmloaded = false; |
| 256 | daniel-mar | 102 | return false; // Stop! We know the issue now. |
| 103 | } else { |
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| 104 | readok = gdata->parmloaded = true; |
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| 105 | } |
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| 106 | } |
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| 107 | FreeLibrary(hm); |
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| 108 | } |
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| 109 | } |
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| 110 | |||
| 366 | daniel-mar | 111 | // Is it a "Filters Unlimited" filter? (Only partially compatible with Filter Factory!!!) |
| 112 | if (!readok) { |
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| 113 | if (readfile_ffx(sfr, reason)) { |
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| 114 | readok = gdata->parmloaded = true; |
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| 115 | } |
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| 116 | } |
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| 117 | |||
| 256 | daniel-mar | 118 | // If nothing worked, we will try to find a PARM resource (MacOS plugin, or NE executable on Win64) |
| 119 | if (!readok) { |
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| 120 | if (read8bfplugin(sfr, reason)) { |
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| 121 | if (gdata->parm.iProtected) { |
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| 122 | *reason = _strdup("The filter is protected."); |
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| 123 | return false; // Stop! We know the issue now. |
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| 124 | } |
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| 125 | else { |
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| 126 | readok = gdata->parmloaded = true; |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | |||
| 131 | // Check if we had success |
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| 132 | if (!readok) { |
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| 133 | *reason = _strdup("It is not a text parameter (AFS) file, nor a standalone Mac/PC filter made by Filter Factory/Filter Foundry."); |
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| 134 | } |
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| 135 | |||
| 136 | return readok; |
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| 137 | } |