2 * Dump a shortcut (lnk) file
4 * Copyright 2005 Mike McCormack
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
30 #ifdef HAVE_SYS_TYPES_H
31 # include <sys/types.h>
42 SLDF_HAS_ID_LIST
= 0x00000001,
43 SLDF_HAS_LINK_INFO
= 0x00000002,
44 SLDF_HAS_NAME
= 0x00000004,
45 SLDF_HAS_RELPATH
= 0x00000008,
46 SLDF_HAS_WORKINGDIR
= 0x00000010,
47 SLDF_HAS_ARGS
= 0x00000020,
48 SLDF_HAS_ICONLOCATION
= 0x00000040,
49 SLDF_UNICODE
= 0x00000080,
50 SLDF_FORCE_NO_LINKINFO
= 0x00000100,
51 SLDF_HAS_EXP_SZ
= 0x00000200,
52 SLDF_RUN_IN_SEPARATE
= 0x00000400,
53 SLDF_HAS_LOGO3ID
= 0x00000800,
54 SLDF_HAS_DARWINID
= 0x00001000,
55 SLDF_RUNAS_USER
= 0x00002000,
56 SLDF_HAS_EXP_ICON_SZ
= 0x00004000,
57 SLDF_NO_PIDL_ALIAS
= 0x00008000,
58 SLDF_FORCE_UNCNAME
= 0x00010000,
59 SLDF_RUN_WITH_SHIMLAYER
= 0x00020000,
60 SLDF_FORCE_NO_LINKTRACK
= 0x00040000,
61 SLDF_ENABLE_TARGET_METADATA
= 0x00080000,
62 SLDF_DISABLE_KNOWNFOLDER_RELATIVE_TRACKING
= 0x00200000,
63 SLDF_RESERVED
= 0x80000000,
64 } SHELL_LINK_DATA_FLAGS
;
66 #define EXP_SZ_LINK_SIG 0xa0000001
67 #define EXP_SPECIAL_FOLDER_SIG 0xa0000005
68 #define EXP_DARWIN_ID_SIG 0xa0000006
69 #define EXP_SZ_ICON_SIG 0xa0000007
71 typedef struct tagDATABLOCKHEADER
77 typedef struct _LINK_HEADER
79 DWORD dwSize
; /* 0x00 size of the header - 0x4c */
80 GUID MagicGuid
; /* 0x04 is CLSID_ShellLink */
81 DWORD dwFlags
; /* 0x14 describes elements following */
82 DWORD dwFileAttr
; /* 0x18 attributes of the target file */
83 FILETIME Time1
; /* 0x1c */
84 FILETIME Time2
; /* 0x24 */
85 FILETIME Time3
; /* 0x2c */
86 DWORD dwFileLength
; /* 0x34 File length */
87 DWORD nIcon
; /* 0x38 icon number */
88 DWORD fStartup
; /* 0x3c startup type */
89 DWORD wHotKey
; /* 0x40 hotkey */
90 DWORD Unknown5
; /* 0x44 */
91 DWORD Unknown6
; /* 0x48 */
92 } LINK_HEADER
, * PLINK_HEADER
;
94 typedef struct tagLINK_SZ_BLOCK
102 typedef struct _LOCATION_INFO
108 DWORD dwLocalPathOfs
;
109 DWORD dwNetworkVolTableOfs
;
110 DWORD dwFinalPathOfs
;
113 typedef struct _LOCAL_VOLUME_INFO
125 DWORD idSpecialFolder
;
127 } EXP_SPECIAL_FOLDER
;
129 typedef struct lnk_string_tag
140 static unsigned offset
;
142 static const void* fetch_block(void)
147 if (!(u
= PRD(offset
, sizeof(*u
)))) return 0;
148 if ((ret
= PRD(offset
, *u
))) offset
+= *u
;
152 static const lnk_string
* fetch_string(int unicode
)
154 const unsigned short* s
;
158 if (!(s
= PRD(offset
, sizeof(*s
)))) return 0;
159 len
= *s
* (unicode
? sizeof(WCHAR
) : sizeof(char));
160 if ((ret
= PRD(offset
, sizeof(*s
) + len
))) offset
+= sizeof(*s
) + len
;
165 static int dump_pidl(void)
167 const lnk_string
*pidl
;
168 int i
, n
= 0, sz
= 0;
170 pidl
= fetch_string(FALSE
);
179 const lnk_string
*segment
= (const lnk_string
*) &pidl
->str
.a
[sz
];
186 printf("bad pidl\n");
190 printf("segment %d (%2d bytes) : ",n
,segment
->size
);
191 for(i
=0; i
<segment
->size
; i
++)
192 printf("%02x ",segment
->str
.a
[i
]);
200 static int dump_string(const char *what
, int unicode
)
202 const lnk_string
*data
;
205 data
= fetch_string(unicode
);
208 printf("%s : ", what
);
211 while (sz
) printf("%c", data
->str
.w
[data
->size
- sz
--]);
213 while (sz
) printf("%c", data
->str
.a
[data
->size
- sz
--]);
219 static int dump_location(void)
221 const LOCATION_INFO
*loc
;
227 p
= (const char*)loc
;
229 printf("Location\n");
230 printf("--------\n\n");
231 printf("Total size = %d\n", loc
->dwTotalSize
);
232 printf("Header size = %d\n", loc
->dwHeaderSize
);
233 printf("Flags = %08x\n", loc
->dwFlags
);
235 /* dump out information about the volume the link points to */
236 printf("Volume ofs = %08x ", loc
->dwVolTableOfs
);
237 if (loc
->dwVolTableOfs
&& (loc
->dwVolTableOfs
<loc
->dwTotalSize
))
239 const LOCAL_VOLUME_INFO
*vol
= (const LOCAL_VOLUME_INFO
*)&p
[loc
->dwVolTableOfs
];
241 printf("size %d type %d serial %08x label %d ",
242 vol
->dwSize
, vol
->dwType
, vol
->dwVolSerial
, vol
->dwVolLabelOfs
);
243 if(vol
->dwVolLabelOfs
)
244 printf("(\"%s\")", &p
[loc
->dwVolTableOfs
+ vol
->dwVolLabelOfs
]);
248 /* dump out the path the link points to */
249 printf("LocalPath ofs = %08x ", loc
->dwLocalPathOfs
);
250 if( loc
->dwLocalPathOfs
&& (loc
->dwLocalPathOfs
< loc
->dwTotalSize
) )
251 printf("(\"%s\")", &p
[loc
->dwLocalPathOfs
]);
254 printf("Net Path ofs = %08x\n", loc
->dwNetworkVolTableOfs
);
255 printf("Final Path = %08x ", loc
->dwFinalPathOfs
);
256 if( loc
->dwFinalPathOfs
&& (loc
->dwFinalPathOfs
< loc
->dwTotalSize
) )
257 printf("(\"%s\")", &p
[loc
->dwFinalPathOfs
]);
264 static const unsigned char table_dec85
[0x80] = {
265 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
266 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
267 0xff,0x00,0xff,0xff,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0xff,
268 0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0xff,0xff,0xff,0x16,0xff,0x17,
269 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
270 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,0x30,0x31,0x32,0x33,0xff,0x34,0x35,0x36,
271 0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,0x40,0x41,0x42,0x43,0x44,0x45,0x46,
272 0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xff,0x53,0x54,0xff,
275 static int base85_to_guid( const char *str
, LPGUID guid
)
277 DWORD i
, val
= 0, base
= 1, *p
;
281 for( i
=0; i
<20; i
++ )
291 val
+= table_dec85
[ch
] * base
;
292 if( table_dec85
[ch
] == 0xff )
301 static int dump_special_folder_block(const DATABLOCK_HEADER
* bhdr
)
303 const EXP_SPECIAL_FOLDER
*sfb
= (const EXP_SPECIAL_FOLDER
*)bhdr
;
304 printf("Special folder block\n");
305 printf("--------------------\n\n");
306 printf("folder = 0x%04x\n", sfb
->idSpecialFolder
);
307 printf("offset = %d\n", sfb
->cbOffset
);
312 static int dump_sz_block(const DATABLOCK_HEADER
* bhdr
, const char* label
)
314 const LINK_SZ_BLOCK
*szp
= (const LINK_SZ_BLOCK
*)bhdr
;
315 printf("String block\n");
316 printf("-----------\n\n");
317 printf("magic = %x\n", szp
->magic
);
318 printf("%s = %s\n", label
, szp
->bufA
);
323 static int dump_darwin_id(const DATABLOCK_HEADER
* bhdr
)
325 const LINK_SZ_BLOCK
*szp
= (const LINK_SZ_BLOCK
*)bhdr
;
327 const char *feat
, *comp
, *prod_str
, *feat_str
;
330 printf("Advertise Info\n");
331 printf("--------------\n\n");
332 printf("msi string = %s\n", szp
->bufA
);
334 if (base85_to_guid(szp
->bufA
, &guid
))
335 prod_str
= get_guid_str(&guid
);
339 comp
= &szp
->bufA
[20];
340 feat
= strchr(comp
, '>');
342 feat
= strchr(comp
, '<');
345 memcpy(comp_str
, comp
, feat
- comp
);
346 comp_str
[feat
-comp
] = 0;
350 strcpy(comp_str
, "?");
353 if (feat
&& feat
[0] == '>' && base85_to_guid( &feat
[1], &guid
))
354 feat_str
= get_guid_str( &guid
);
358 printf(" product: %s\n", prod_str
);
359 printf(" component: %s\n", comp_str
);
360 printf(" feature: %s\n", feat_str
);
366 static int dump_raw_block(const DATABLOCK_HEADER
* bhdr
)
370 printf("Raw Block\n");
371 printf("---------\n\n");
372 printf("size = %d\n", bhdr
->cbSize
);
373 printf("magic = %x\n", bhdr
->dwSignature
);
375 data_size
=bhdr
->cbSize
-sizeof(*bhdr
);
379 const unsigned char *data
;
382 data
=(const unsigned char*)bhdr
+sizeof(*bhdr
);
383 while (data_size
> 0)
385 for (i
=0; i
< 16; i
++)
388 printf("%02x ", data
[i
]);
392 for (i
=0; i
< data_size
&& i
< 16; i
++)
393 printf("%c", (data
[i
] >= 32 && data
[i
] < 128 ? data
[i
] : '.'));
407 static const GUID CLSID_ShellLink
= {0x00021401L
, 0, 0, {0xC0,0,0,0,0,0,0,0x46}};
409 enum FileSig
get_kind_lnk(void)
411 const LINK_HEADER
* hdr
;
413 hdr
= PRD(0, sizeof(*hdr
));
414 if (hdr
&& hdr
->dwSize
== sizeof(LINK_HEADER
) &&
415 !memcmp(&hdr
->MagicGuid
, &CLSID_ShellLink
, sizeof(GUID
)))
422 const LINK_HEADER
* hdr
;
423 const DATABLOCK_HEADER
* bhdr
;
432 printf("------\n\n");
433 printf("Size: %04x\n", hdr
->dwSize
);
434 printf("GUID: %s\n", get_guid_str(&hdr
->MagicGuid
));
436 printf("FileAttr: %08x\n", hdr
->dwFileAttr
);
437 printf("FileLength: %08x\n", hdr
->dwFileLength
);
438 printf("nIcon: %d\n", hdr
->nIcon
);
439 printf("Startup: %d\n", hdr
->fStartup
);
440 printf("HotKey: %08x\n", hdr
->wHotKey
);
441 printf("Unknown5: %08x\n", hdr
->Unknown5
);
442 printf("Unknown6: %08x\n", hdr
->Unknown6
);
444 /* dump out all the flags */
445 printf("Flags: %04x ( ", hdr
->dwFlags
);
446 dwFlags
=hdr
->dwFlags
;
449 if (dwFlags & SLDF_##x) \
452 dwFlags&=~SLDF_##x; \
459 FLAG(HAS_WORKINGDIR
);
461 FLAG(HAS_ICONLOCATION
);
463 FLAG(FORCE_NO_LINKINFO
);
465 FLAG(RUN_IN_SEPARATE
);
469 FLAG(HAS_EXP_ICON_SZ
);
472 FLAG(RUN_WITH_SHIMLAYER
);
473 FLAG(FORCE_NO_LINKTRACK
);
474 FLAG(ENABLE_TARGET_METADATA
);
475 FLAG(DISABLE_KNOWNFOLDER_RELATIVE_TRACKING
);
479 printf("+%04x", dwFlags
);
482 printf("Length: %04x\n", hdr
->dwFileLength
);
485 if (hdr
->dwFlags
& SLDF_HAS_ID_LIST
)
487 if (hdr
->dwFlags
& SLDF_HAS_LINK_INFO
)
489 if (hdr
->dwFlags
& SLDF_HAS_NAME
)
490 dump_string("Description", hdr
->dwFlags
& SLDF_UNICODE
);
491 if (hdr
->dwFlags
& SLDF_HAS_RELPATH
)
492 dump_string("Relative path", hdr
->dwFlags
& SLDF_UNICODE
);
493 if (hdr
->dwFlags
& SLDF_HAS_WORKINGDIR
)
494 dump_string("Working directory", hdr
->dwFlags
& SLDF_UNICODE
);
495 if (hdr
->dwFlags
& SLDF_HAS_ARGS
)
496 dump_string("Arguments", hdr
->dwFlags
& SLDF_UNICODE
);
497 if (hdr
->dwFlags
& SLDF_HAS_ICONLOCATION
)
498 dump_string("Icon path", hdr
->dwFlags
& SLDF_UNICODE
);
505 switch (bhdr
->dwSignature
)
507 case EXP_SZ_LINK_SIG
:
508 dump_sz_block(bhdr
, "exp.link");
510 case EXP_SPECIAL_FOLDER_SIG
:
511 dump_special_folder_block(bhdr
);
513 case EXP_SZ_ICON_SIG
:
514 dump_sz_block(bhdr
, "icon");
516 case EXP_DARWIN_ID_SIG
:
517 dump_darwin_id(bhdr
);
520 dump_raw_block(bhdr
);