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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 |
536 | daniel-mar | 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.net |
550 | daniel-mar | 4 | Copyright (C) 2018-2023 Daniel Marschall, ViaThinkSoft |
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 | |||
436 | daniel-mar | 27 | static BOOL CALLBACK enum_find_resname(HMODULE hModule, LPCTSTR lpszType, |
408 | daniel-mar | 28 | LPTSTR lpszName, LONG_PTR lParam) |
256 | daniel-mar | 29 | { |
433 | daniel-mar | 30 | UNREFERENCED_PARAMETER(hModule); |
31 | UNREFERENCED_PARAMETER(lpszType); |
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32 | |||
345 | daniel-mar | 33 | if (IS_INTRESOURCE(lpszName)) { |
436 | daniel-mar | 34 | UINT16* pparm_id = (UINT16*)lParam; |
35 | *pparm_id = (UINT16)((intptr_t)lpszName & 0xFFFF); |
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345 | daniel-mar | 36 | return false; // we only want the first one |
37 | } |
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38 | else return true; |
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256 | daniel-mar | 39 | } |
40 | |||
552 | daniel-mar | 41 | FFLoadingResult readPARMresource(HMODULE hm) { |
256 | daniel-mar | 42 | HRSRC resinfo; |
43 | HANDLE h; |
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44 | Ptr pparm; |
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45 | |||
436 | daniel-mar | 46 | UINT16 parm_id = 1; |
47 | EnumResourceNames(hm, PARM_TYPE, enum_find_resname, (LONG_PTR)&parm_id); // callback function enum_find_resname() will find the actual found parm_id |
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256 | daniel-mar | 48 | |
49 | // load first PARM resource |
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408 | daniel-mar | 50 | if ((resinfo = FindResource(hm, MAKEINTRESOURCE(parm_id), PARM_TYPE))) { |
256 | daniel-mar | 51 | if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) { |
552 | daniel-mar | 52 | FFLoadingResult res = readPARM(&gdata->parm, pparm); |
256 | daniel-mar | 53 | gdata->obfusc = false; |
408 | daniel-mar | 54 | return res; |
256 | daniel-mar | 55 | } |
408 | daniel-mar | 56 | } |
440 | daniel-mar | 57 | else if ( |
408 | daniel-mar | 58 | ((resinfo = FindResource(hm, OBFUSCDATA_ID_NEW, OBFUSCDATA_TYPE_NEW)) || |
59 | (resinfo = FindResource(hm, OBFUSCDATA_ID_OLD, OBFUSCDATA_TYPE_OLD)))) { |
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60 | if ((h = LoadResource(hm, resinfo)) && (pparm = (Ptr)LockResource(h))) { |
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256 | daniel-mar | 61 | // Fix by DM, 18 Dec 2018: |
62 | // We need to copy the information, because the resource data is read-only |
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408 | daniel-mar | 63 | DWORD resSize = SizeofResource(hm, resinfo); |
271 | daniel-mar | 64 | if (resSize == sizeof(PARM_T)) { |
552 | daniel-mar | 65 | FFLoadingResult res; |
271 | daniel-mar | 66 | PARM_T* copy = (PARM_T*)malloc(resSize); |
552 | daniel-mar | 67 | if (!copy) return MSG_OUT_OF_MEMORY_ID; |
271 | daniel-mar | 68 | memcpy(copy, pparm, resSize); |
69 | deobfusc(copy); |
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408 | daniel-mar | 70 | res = readPARM(&gdata->parm, (Ptr)copy); |
71 | free(copy); |
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271 | daniel-mar | 72 | gdata->obfusc = true; |
408 | daniel-mar | 73 | return res; |
74 | } |
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75 | else { |
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309 | daniel-mar | 76 | // Obfuscationed PARM has wrong size. It is probably a file with different RCDATA |
271 | daniel-mar | 77 | gdata->obfusc = false; |
552 | daniel-mar | 78 | return MSG_INVALID_PARAMETER_DATA_ID; |
271 | daniel-mar | 79 | } |
256 | daniel-mar | 80 | } |
81 | } |
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552 | daniel-mar | 82 | return MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
256 | daniel-mar | 83 | } |
84 | |||
552 | daniel-mar | 85 | FFLoadingResult loadfile(StandardFileReply* sfr) { |
256 | daniel-mar | 86 | HMODULE hm; |
552 | daniel-mar | 87 | FFLoadingResult res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
256 | daniel-mar | 88 | |
89 | // First, try to read the file as AFS/PFF/TXT file |
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552 | daniel-mar | 90 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
91 | if (0 == (res = readfile_afs_pff(sfr))) { |
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408 | daniel-mar | 92 | gdata->obfusc = false; |
550 | daniel-mar | 93 | parm_reset(true, false, true, false); |
552 | daniel-mar | 94 | return 0; |
408 | daniel-mar | 95 | } |
554 | daniel-mar | 96 | if (!fileHasExtension(sfr, TEXT(".afs")) && !fileHasExtension(sfr, TEXT(".pff"))) { |
97 | // If .afs and .pff files have an invalid signature, then it is a hard error. |
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98 | // If any other file has no "%RGB1.0" signature, then it is OK and |
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99 | // we will return MSG_LOADFILE_UNKNOWN_FORMAT_ID and continue with trying other formats |
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100 | if (res == MSG_INVALID_FILE_SIGNATURE_ID) res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
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101 | } |
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256 | daniel-mar | 102 | } |
103 | |||
544 | daniel-mar | 104 | // Try to read the file as FFL file |
552 | daniel-mar | 105 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
106 | if (0 == (res = readfile_ffl(sfr))) { |
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544 | daniel-mar | 107 | gdata->obfusc = false; |
550 | daniel-mar | 108 | parm_reset(true, true, true, true); |
552 | daniel-mar | 109 | return 0; |
544 | daniel-mar | 110 | } |
554 | daniel-mar | 111 | if (!fileHasExtension(sfr, TEXT(".ffl"))) { |
112 | // If .ffl files have an invalid signature, then it is a hard error. |
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113 | // If any other file has no "FFL1.0" signature, then it is OK and |
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114 | // we will return MSG_LOADFILE_UNKNOWN_FORMAT_ID and continue with trying other formats |
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115 | if (res == MSG_INVALID_FILE_SIGNATURE_ID) res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
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116 | } |
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544 | daniel-mar | 117 | } |
118 | |||
554 | daniel-mar | 119 | // Is it a "Filters Unlimited" FFX filter? (Only partially compatible with Filter Factory!!!) |
120 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
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121 | if (0 == (res = readfile_ffx(sfr))) { |
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122 | return 0; |
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123 | } |
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124 | if (!fileHasExtension(sfr, TEXT(".ffx"))) { |
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125 | // If .ffx files have an invalid signature, then it is a hard error. |
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126 | // If any other file has no "FFX1.0", "FFX1.1", or "FFX1.2" signature, then it is OK and |
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127 | // we will return MSG_LOADFILE_UNKNOWN_FORMAT_ID and continue with trying other formats |
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128 | if (res == MSG_INVALID_FILE_SIGNATURE_ID) res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
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129 | } |
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130 | } |
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131 | |||
256 | daniel-mar | 132 | // If that didn't work, try to load as Windows image file (Resource API for 8BF/PRM files) |
552 | daniel-mar | 133 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
444 | daniel-mar | 134 | if (hm = LoadLibraryEx(sfr->sfFile.szName, NULL, LOAD_LIBRARY_AS_DATAFILE)) { |
552 | daniel-mar | 135 | if (0 == (res = readPARMresource(hm))) { |
550 | daniel-mar | 136 | gdata->parm.standalone = false; // just because the loaded file is standalone, does not mean that WE are standalone |
408 | daniel-mar | 137 | if (gdata->parm.iProtected) { |
550 | daniel-mar | 138 | parm_reset(true, true, true, true); |
552 | daniel-mar | 139 | res = MSG_FILTER_PROTECTED_ID; |
256 | daniel-mar | 140 | } |
408 | daniel-mar | 141 | else { |
142 | FreeLibrary(hm); |
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552 | daniel-mar | 143 | return 0; |
408 | daniel-mar | 144 | } |
256 | daniel-mar | 145 | } |
146 | FreeLibrary(hm); |
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147 | } |
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148 | } |
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149 | |||
544 | daniel-mar | 150 | // Is it a "Filters Unlimited" TXT filter? (Only partially compatible with Filter Factory!!!) |
552 | daniel-mar | 151 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
554 | daniel-mar | 152 | if (fileHasExtension(sfr, TEXT(".txt"))) { |
153 | if (0 == (res = readfile_picotxt_or_ffdecomp(sfr))) { |
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154 | return 0; |
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155 | } |
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385 | daniel-mar | 156 | } |
157 | } |
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158 | |||
537 | daniel-mar | 159 | // Is it a "GIMP UserFilter (GUF)" file? (Only partially compatible with Filter Factory!!!) |
552 | daniel-mar | 160 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
554 | daniel-mar | 161 | if (fileHasExtension(sfr, TEXT(".guf"))) { |
162 | if (0 == (res = readfile_guf(sfr))) { |
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163 | return 0; |
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164 | } |
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537 | daniel-mar | 165 | } |
166 | } |
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167 | |||
408 | daniel-mar | 168 | // If nothing worked, we will try to find a PARM resource (MacOS plugin, or 64 bit 8BF on Win32 OS) |
169 | // Note that we cannot detect obfuscated filters here! |
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552 | daniel-mar | 170 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
171 | if (0 == (res = readfile_8bf(sfr))) { |
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256 | daniel-mar | 172 | if (gdata->parm.iProtected) { |
408 | daniel-mar | 173 | // This is for purely protected filters before the time when obfuscation and protection was merged |
550 | daniel-mar | 174 | parm_reset(true, true, true, true); |
552 | daniel-mar | 175 | res = MSG_FILTER_PROTECTED_ID; |
256 | daniel-mar | 176 | } |
177 | else { |
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552 | daniel-mar | 178 | return 0; |
256 | daniel-mar | 179 | } |
180 | } |
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181 | } |
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182 | |||
552 | daniel-mar | 183 | return res; |
422 | daniel-mar | 184 | } |