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Rev | Author | Line No. | Line |
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256 | daniel-mar | 1 | /* |
408 | daniel-mar | 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 |
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4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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256 | daniel-mar | 5 | |
408 | daniel-mar | 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 |
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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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256 | daniel-mar | 10 | |
408 | daniel-mar | 11 | This program is distributed in the hope that it will be useful, |
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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256 | daniel-mar | 15 | |
408 | daniel-mar | 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 |
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18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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256 | daniel-mar | 19 | */ |
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 | |||
408 | daniel-mar | 29 | static BOOL CALLBACK enumnames(HMODULE hModule, LPCTSTR lpszType, |
30 | LPTSTR lpszName, LONG_PTR lParam) |
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256 | daniel-mar | 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 | } |
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36 | else return true; |
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256 | daniel-mar | 37 | } |
38 | |||
408 | daniel-mar | 39 | Boolean readPARMresource(HMODULE hm, char** reason, int readobfusc) { |
256 | daniel-mar | 40 | HRSRC resinfo; |
41 | HANDLE h; |
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42 | Ptr pparm; |
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43 | |||
376 | daniel-mar | 44 | parm_id = 1; |
408 | daniel-mar | 45 | EnumResourceNames(hm, PARM_TYPE, enumnames, 0); // callback function enumnames() will find the actual found parm_id |
256 | daniel-mar | 46 | |
47 | // load first PARM resource |
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408 | daniel-mar | 48 | if ((resinfo = FindResource(hm, MAKEINTRESOURCE(parm_id), PARM_TYPE))) { |
256 | daniel-mar | 49 | if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) { |
408 | daniel-mar | 50 | int res = readPARM(&gdata->parm, pparm); |
256 | daniel-mar | 51 | gdata->obfusc = false; |
408 | daniel-mar | 52 | return res; |
256 | daniel-mar | 53 | } |
408 | daniel-mar | 54 | } |
55 | else if (readobfusc && |
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56 | ((resinfo = FindResource(hm, OBFUSCDATA_ID_NEW, OBFUSCDATA_TYPE_NEW)) || |
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57 | (resinfo = FindResource(hm, OBFUSCDATA_ID_OLD, OBFUSCDATA_TYPE_OLD)))) { |
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58 | if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) { |
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256 | daniel-mar | 59 | // Fix by DM, 18 Dec 2018: |
60 | // We need to copy the information, because the resource data is read-only |
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408 | daniel-mar | 61 | DWORD resSize = SizeofResource(hm, resinfo); |
271 | daniel-mar | 62 | if (resSize == sizeof(PARM_T)) { |
408 | daniel-mar | 63 | int res; |
271 | daniel-mar | 64 | PARM_T* copy = (PARM_T*)malloc(resSize); |
65 | if (!copy) return false; |
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66 | memcpy(copy, pparm, resSize); |
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67 | deobfusc(copy); |
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408 | daniel-mar | 68 | res = readPARM(&gdata->parm, (Ptr)copy); |
69 | if (!res) { |
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70 | *reason = _strdup("Incompatible obfuscation."); |
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71 | } |
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72 | free(copy); |
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271 | daniel-mar | 73 | gdata->obfusc = true; |
408 | daniel-mar | 74 | return res; |
75 | } |
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76 | else { |
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309 | daniel-mar | 77 | // Obfuscationed PARM has wrong size. It is probably a file with different RCDATA |
271 | daniel-mar | 78 | gdata->obfusc = false; |
79 | return false; |
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80 | } |
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256 | daniel-mar | 81 | } |
82 | } |
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408 | daniel-mar | 83 | return false; |
256 | daniel-mar | 84 | } |
85 | |||
408 | daniel-mar | 86 | Boolean loadfile(StandardFileReply* sfr, char** reason) { |
256 | daniel-mar | 87 | HMODULE hm; |
88 | |||
408 | daniel-mar | 89 | // The different read-functions will return true if the resource was successfully loaded, |
90 | // or false otherwise. If *reason is set, then the answer is clearly "No". If the result |
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91 | // is just false, it means that the program should continue with the next read-function. |
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92 | *reason = NULL; |
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93 | |||
256 | daniel-mar | 94 | // First, try to read the file as AFS/PFF/TXT file |
408 | daniel-mar | 95 | if (*reason == NULL) { |
96 | if (readfile_afs_pff(sfr, reason)) { |
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97 | gdata->obfusc = false; |
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98 | gdata->parmloaded = false; |
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99 | return true; |
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100 | } |
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256 | daniel-mar | 101 | } |
102 | |||
103 | // If that didn't work, try to load as Windows image file (Resource API for 8BF/PRM files) |
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408 | daniel-mar | 104 | if (*reason == NULL) { |
105 | char name[MAX_PATH + 1]; |
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106 | if (hm = LoadLibraryEx(myp2cstrcpy(name, sfr->sfFile.name), NULL, LOAD_LIBRARY_AS_DATAFILE)) { |
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107 | if (readPARMresource(hm, reason, READ_OBFUSC)) { |
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108 | if (gdata->parm.iProtected) { |
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256 | daniel-mar | 109 | *reason = _strdup("The filter is protected."); |
292 | daniel-mar | 110 | //gdata->parmloaded = false; |
256 | daniel-mar | 111 | } |
408 | daniel-mar | 112 | else { |
113 | gdata->parmloaded = true; |
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114 | FreeLibrary(hm); |
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115 | return true; |
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116 | } |
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256 | daniel-mar | 117 | } |
118 | FreeLibrary(hm); |
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119 | } |
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120 | } |
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121 | |||
366 | daniel-mar | 122 | // Is it a "Filters Unlimited" filter? (Only partially compatible with Filter Factory!!!) |
408 | daniel-mar | 123 | if (*reason == NULL) { |
366 | daniel-mar | 124 | if (readfile_ffx(sfr, reason)) { |
408 | daniel-mar | 125 | gdata->parmloaded = true; |
126 | return true; |
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366 | daniel-mar | 127 | } |
128 | } |
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129 | |||
385 | daniel-mar | 130 | // Is it a "Filters Unlimited" filter? (Only partially compatible with Filter Factory!!!) |
408 | daniel-mar | 131 | if (*reason == NULL) { |
385 | daniel-mar | 132 | if (readfile_picotxt(sfr, reason)) { |
408 | daniel-mar | 133 | gdata->parmloaded = true; |
134 | return true; |
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385 | daniel-mar | 135 | } |
136 | } |
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137 | |||
408 | daniel-mar | 138 | // If nothing worked, we will try to find a PARM resource (MacOS plugin, or 64 bit 8BF on Win32 OS) |
139 | // Note that we cannot detect obfuscated filters here! |
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140 | if (*reason == NULL) { |
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373 | daniel-mar | 141 | if (readfile_8bf(sfr, reason)) { |
256 | daniel-mar | 142 | if (gdata->parm.iProtected) { |
408 | daniel-mar | 143 | // This is for purely protected filters before the time when obfuscation and protection was merged |
256 | daniel-mar | 144 | *reason = _strdup("The filter is protected."); |
145 | } |
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146 | else { |
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408 | daniel-mar | 147 | gdata->parmloaded = true; |
148 | return true; |
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256 | daniel-mar | 149 | } |
150 | } |
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151 | } |
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152 | |||
408 | daniel-mar | 153 | // We didn't had success. If we have a clear reason, return false and the reason. |
154 | // If we don't have a clear reason, set a generic reason and return false. |
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155 | if (*reason == NULL) { |
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156 | *reason = _strdup("It is not a text parameter file, nor a standalone Mac/PC filter created by Filter Factory/Filter Foundry."); |
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256 | daniel-mar | 157 | } |
408 | daniel-mar | 158 | return false; |
159 | } |