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| 22 | 22 | ||
| 23 | #include <Resources.h> |
23 | #include <Resources.h> |
| 24 | 24 | ||
| 25 | #include "file_compat.h" |
25 | #include "file_compat.h" |
| 26 | 26 | ||
| 27 | Boolean readPARMresource(HMODULE hm,char **reason){ |
27 | FFLoadingResult readPARMresource(HMODULE hm){ |
| 28 | Boolean res = false; |
28 | FFLoadingResult res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
| 29 | Handle h; |
29 | Handle h; |
| 30 | 30 | ||
| 31 | if( (h = Get1Resource(PARM_TYPE,PARM_ID_NEW)) || |
31 | if( (h = Get1Resource(PARM_TYPE,PARM_ID_NEW)) || |
| 32 | (h = Get1Resource(PARM_TYPE,PARM_ID_OLD)) ) |
32 | (h = Get1Resource(PARM_TYPE,PARM_ID_OLD)) ) |
| 33 | { |
33 | { |
| 34 | HLock(h); |
34 | HLock(h); |
| 35 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
35 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
| 36 | res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
36 | res = readPARM(&gdata->parm, *h, 0 /*Mac format resource*/); |
| 37 | gdata->obfusc = false; |
37 | gdata->obfusc = false; |
| 38 | ReleaseResource(h); |
38 | ReleaseResource(h); |
| 39 | } else { |
39 | } else { |
| 40 | // PARM has wrong size. Should not happen |
40 | // PARM has wrong size. Should not happen |
| 41 | gdata->obfusc = false; |
41 | gdata->obfusc = false; |
| 42 | ReleaseResource(h); |
42 | ReleaseResource(h); |
| 43 | return false; |
43 | return MSG_INVALID_FILE_SIGNATURE_ID; |
| 44 | } |
44 | } |
| 45 | } |
45 | } |
| 46 | else if( ((h = Get1Resource(OBFUSCDATA_TYPE_NEW,OBFUSCDATA_ID_NEW)) || |
46 | else if( ((h = Get1Resource(OBFUSCDATA_TYPE_NEW,OBFUSCDATA_ID_NEW)) || |
| 47 | (h = Get1Resource(OBFUSCDATA_TYPE_OLD,OBFUSCDATA_ID_OLD))) ) |
47 | (h = Get1Resource(OBFUSCDATA_TYPE_OLD,OBFUSCDATA_ID_OLD))) ) |
| 48 | { |
48 | { |
| 49 | HLock(h); |
49 | HLock(h); |
| 50 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
50 | if(GetHandleSize(h) == sizeof(PARM_T)) { |
| 51 | deobfusc((PARM_T*)*h); |
51 | deobfusc((PARM_T*)*h); |
| 52 | res = readPARM(*h, &gdata->parm, reason, 0 /*Mac format resource*/); |
52 | res = readPARM(&gdata->parm, *h, 0 /*Mac format resource*/); |
| 53 | gdata->obfusc = true; |
53 | gdata->obfusc = true; |
| 54 | ReleaseResource(h); |
54 | ReleaseResource(h); |
| 55 | } else { |
55 | } else { |
| 56 | // Obfuscated PARM has wrong size. Should not happen |
56 | // Obfuscated PARM has wrong size. Should not happen |
| 57 | gdata->obfusc = false; |
57 | gdata->obfusc = false; |
| 58 | ReleaseResource(h); |
58 | ReleaseResource(h); |
| 59 | return false; |
59 | return MSG_INCOMPATIBLE_OBFUSCATION_ID; |
| 60 | } |
60 | } |
| 61 | } |
61 | } |
| 62 | if (!res) { |
62 | if (!res) { |
| 63 | gdata->obfusc = false; |
63 | gdata->obfusc = false; |
| 64 | } |
64 | } |
| 65 | return res; |
65 | return res; |
| 66 | } |
66 | } |
| 67 | 67 | ||
| 68 | static Boolean readmacplugin(StandardFileReply *sfr,char **reason){ |
68 | FFLoadingResult Boolean readmacplugin(StandardFileReply *sfr){ |
| 69 | Boolean res = false; |
69 | FFLoadingResult res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
| 70 | short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
70 | short rrn = FSpOpenResFile(&sfr->sfFile,fsRdPerm); |
| 71 | 71 | ||
| 72 | if(rrn != -1){ |
72 | if(rrn != -1){ |
| 73 | if(readPARMresource(NULL,reason)) |
73 | res = readPARMresource(NULL); |
| 74 | res = true; |
- | |
| 75 | CloseResFile(rrn); |
74 | CloseResFile(rrn); |
| - | 75 | } |
|
| 76 | }else |
76 | else |
| 77 | *reason = "Could not open file."; |
77 | res = MSG_CANNOT_OPEN_FILE_ID; |
| 78 | return res; |
78 | return res; |
| 79 | } |
79 | } |
| 80 | 80 | ||
| 81 | Boolean loadfile(StandardFileReply *sfr,char **reason){ |
81 | FFLoadingResult loadfile(StandardFileReply *sfr){ |
| 82 | Boolean readok = false; |
82 | Boolean readok = false; |
| 83 | FInfo fndrInfo; |
83 | FInfo fndrInfo; |
| 84 | - | ||
| 85 | // The different read-functions will return true if the resource was successfully loaded, |
84 | FFLoadingResult res = MSG_LOADFILE_UNKNOWN_FORMAT_ID; |
| 86 | // or false otherwise. If *reason is set, then the answer is clearly "No". If the result |
- | |
| 87 | // is just false, it means that the program should continue with the next read-function. |
- | |
| 88 | *reason = NULL; |
- | |
| 89 | 85 | ||
| 90 | if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){ |
86 | if(FSpGetFInfo(&sfr->sfFile,&fndrInfo) == noErr){ |
| 91 | // first try to read text parameters (AFS, TXT, PFF) |
87 | // first try to read text parameters (AFS, TXT, PFF) |
| 92 | if (*reason == NULL) { |
88 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 93 | if (readfile_afs_pff(sfr,reason)) { |
89 | if (0 == (res = readfile_afs_pff(sfr))) { |
| 94 | parm_reset(true, false, true, false); |
90 | parm_reset(true, false, true, false); |
| 95 | gdata->obfusc = false; |
91 | gdata->obfusc = false; |
| 96 | return true; |
92 | return 0; |
| 97 | } |
93 | } |
| 98 | } |
94 | } |
| 99 | 95 | ||
| 100 | // Try to read the file as FFL file |
96 | // Try to read the file as FFL file |
| 101 | if (*reason == NULL) { |
97 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 102 | if (readfile_ffl(sfr,reason)) { |
98 | if (0 == (res = (readfile_ffl(sfr)))) { |
| 103 | parm_reset(true, true, true, true); |
99 | parm_reset(true, true, true, true); |
| 104 | gdata->obfusc = false; |
100 | gdata->obfusc = false; |
| 105 | return true; |
101 | return 0; |
| 106 | } |
102 | } |
| 107 | } |
103 | } |
| 108 | 104 | ||
| 109 | // then try "Filters Unlimited" file (FFX) |
105 | // then try "Filters Unlimited" file (FFX) |
| 110 | if (*reason == NULL) { |
106 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 111 | if (readfile_ffx(sfr,reason)) { |
107 | if (0 == (res = (readfile_ffx(sfr)))) { |
| 112 | gdata->obfusc = false; |
108 | gdata->obfusc = false; |
| 113 | return true; |
109 | return 0; |
| 114 | } |
110 | } |
| 115 | } |
111 | } |
| 116 | 112 | ||
| 117 | // then try "PluginCommander TXT" file (TXT) |
113 | // then try "PluginCommander TXT" file (TXT) |
| 118 | if (*reason == NULL) { |
114 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 119 | if (readfile_picotxt(sfr,reason)) { |
115 | if (0 == (res = (readfile_picotxt(sfr)))) { |
| 120 | gdata->obfusc = false; |
116 | gdata->obfusc = false; |
| 121 | return true; |
117 | return 0; |
| 122 | } |
118 | } |
| 123 | } |
119 | } |
| 124 | 120 | ||
| 125 | // Is it a "GIMP UserFilter (GUF)" file? (Only partially compatible with Filter Factory!!!) |
121 | // Is it a "GIMP UserFilter (GUF)" file? (Only partially compatible with Filter Factory!!!) |
| 126 | if (*reason == NULL) { |
122 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 127 | if (readfile_guf(sfr,reason)) { |
123 | if (0 == (res = (readfile_guf(sfr)))) { |
| 128 | return true; |
124 | return 0; |
| 129 | } |
125 | } |
| 130 | } |
126 | } |
| 131 | 127 | ||
| 132 | // Try Mac plugin resource |
128 | // Try Mac plugin resource |
| 133 | if (*reason == NULL) { |
129 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 134 | if (readmacplugin(sfr,reason)) { |
130 | if (0 == (res = (readmacplugin(sfr)))) { |
| 135 | if (gdata->parm.iProtected) { |
131 | if (gdata->parm.iProtected) { |
| 136 | parm_reset(true, true, true, true); |
132 | parm_reset(true, true, true, true); |
| 137 | *reason = "The filter is protected."; |
133 | res = MSG_FILTER_PROTECTED_ID; |
| 138 | } else { |
134 | } else { |
| 139 | return true; |
135 | return 0; |
| 140 | } |
136 | } |
| 141 | } |
137 | } |
| 142 | } |
138 | } |
| 143 | 139 | ||
| 144 | // Try Windows resources (we need to do a binary scan) |
140 | // Try Windows resources (we need to do a binary scan) |
| 145 | // Note that we cannot detect obfuscated filters here! |
141 | // Note that we cannot detect obfuscated filters here! |
| 146 | if (*reason == NULL) { |
142 | if (res == MSG_LOADFILE_UNKNOWN_FORMAT_ID) { |
| 147 | if (readfile_8bf(sfr,reason)) { |
143 | if (0 == (res = (readfile_8bf(sfr)))) { |
| 148 | if (gdata->parm.iProtected) { |
144 | if (gdata->parm.iProtected) { |
| 149 | parm_reset(true, true, true, true); |
145 | parm_reset(true, true, true, true); |
| 150 | *reason = "The filter is protected."; |
146 | res = MSG_FILTER_PROTECTED_ID; |
| 151 | } else { |
147 | } else { |
| 152 | return true; |
148 | return 0; |
| 153 | } |
149 | } |
| 154 | } |
150 | } |
| 155 | } |
151 | } |
| 156 | 152 | ||
| 157 | // We didn't had success. If we have a clear reason, return false and the reason. |
- | |
| 158 | // If we don't have a clear reason, set a generic reason and return false. |
- | |
| 159 | if (*reason == NULL) { |
- | |
| 160 | *reason = "It is not a text parameter file, nor a standalone Mac/PC filter created by Filter Factory/Filter Foundry."; |
- | |
| 161 | } |
- | |
| 162 | return false; |
153 | return res; |
| 163 | } else { |
154 | } else { |
| 164 | *reason = "File cannot be opened"; |
155 | return MSG_CANNOT_OPEN_FILE_ID; |
| 165 | return false; |
- | |
| 166 | } |
156 | } |
| 167 | } |
157 | } |