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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | toby | 1 | /* |
| 18 | toby | 2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
| 192 | daniel-mar | 3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
| 206 | daniel-mar | 4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
| 2 | toby | 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
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| 145 | dmarschall | 7 | it under the terms of the GNU General Public License as published by |
| 2 | toby | 8 | the Free Software Foundation; either version 2 of the License, or |
| 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 | |||
| 145 | dmarschall | 16 | You should have received a copy of the GNU General Public License |
| 2 | toby | 17 | along with this program; if not, write to the Free Software |
| 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 | |||
| 85 | toby | 23 | #include <Resources.h> |
| 45 | toby | 24 | |
| 2 | toby | 25 | #include "file_compat.h" |
| 26 | |||
| 87 | toby | 27 | Boolean readPARMresource(HMODULE hm,char **reason,int readobfusc){ |
| 2 | toby | 28 | Boolean res = false; |
| 85 | toby | 29 | Handle h; |
| 30 | |||
| 31 | if( !(h = Get1Resource(PARM_TYPE,PARM_ID)) |
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| 87 | toby | 32 | && readobfusc |
| 85 | toby | 33 | && (h = Get1Resource('DATA',OBFUSCDATA_ID)) ){ |
| 34 | HLock(h); |
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| 255 | daniel-mar | 35 | deobfusc((unsigned char*)*h,GetHandleSize(h),OBFUSC_SEED_POS); |
| 256 | daniel-mar | 36 | gdata->obfusc = true; |
| 85 | toby | 37 | } |
| 23 | toby | 38 | if(h){ |
| 2 | toby | 39 | HLock(h); |
| 45 | toby | 40 | res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
| 2 | toby | 41 | ReleaseResource(h); |
| 256 | daniel-mar | 42 | gdata->obfusc = false; |
| 2 | toby | 43 | } |
| 256 | daniel-mar | 44 | if (!res) { |
| 45 | gdata->obfusc = false; |
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| 46 | } |
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| 2 | toby | 47 | return res; |
| 48 | } |
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| 49 | |||
| 85 | toby | 50 | static Boolean readmacplugin(StandardFileReply *sfr,char **reason){ |
| 45 | toby | 51 | Boolean res = false; |
| 52 | short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
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| 145 | dmarschall | 53 | |
| 85 | toby | 54 | if(rrn != -1){ |
| 87 | toby | 55 | if(readPARMresource(NULL,reason,0)) |
| 45 | toby | 56 | res = true; |
| 57 | CloseResFile(rrn); |
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| 58 | }else |
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| 59 | *reason = "Could not open file."; |
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| 60 | return res; |
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| 61 | } |
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| 62 | |||
| 2 | toby | 63 | Boolean loadfile(StandardFileReply *sfr,char **reason){ |
| 64 | Boolean readok = false; |
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| 65 | FInfo fndrInfo; |
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| 66 | |||
| 188 | dmarschall | 67 | if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){ |
| 145 | dmarschall | 68 | // first try to read text parameters (AFS, TXT, PFF) |
| 256 | daniel-mar | 69 | if( (readok = readfile(sfr,reason)) ) { |
| 45 | toby | 70 | gdata->parmloaded = false; |
| 256 | daniel-mar | 71 | gdata->obfusc = false; |
| 147 | dmarschall | 72 | // then try plugin formats (Mac first, then Windows .8bf or .prm DLL) |
| 256 | daniel-mar | 73 | }else if( (readok = readmacplugin(sfr,reason) || read8bfplugin(sfr,reason)) ){ |
| 74 | if ((gdata->parm.cbSize != PARM_SIZE) && (gdata->parm.cbSize != PARM_SIZE_PREMIERE) && (gdata->parm.cbSize != PARM_SIG_MAC)) { |
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| 75 | *reason = "Incompatible obfuscation."; |
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| 76 | return false; // Stop! We know the issue now. |
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| 77 | }else if(gdata->parm.iProtected){ |
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| 45 | toby | 78 | *reason = "The filter is protected."; |
| 79 | return false; |
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| 80 | }else |
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| 81 | gdata->parmloaded = true; |
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| 85 | toby | 82 | }else |
| 83 | *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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| 45 | toby | 84 | } |
| 2 | toby | 85 | |
| 86 | return readok; |
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| 87 | } |