# See COPYING file in this directory for original libmagic copyright. #------------------------------------------------------------------------------ # $File: images,v 1.80 2013/02/06 14:18:52 christos Exp $ # images: file(1) magic for image formats (see also "iff", and "c-lang" for # XPM bitmaps) # # originally from jef@helios.ee.lbl.gov (Jef Poskanzer), # additions by janl@ifi.uio.no as well as others. Jan also suggested # merging several one- and two-line files into here. # # little magic: PCX (first byte is 0x0a) # PBMPLUS images # The next byte following the magic is always whitespace. # strength is changed to try these patterns before "x86 boot sector" 0 search/1 P1 >3 regex =[0-9]*\ [0-9]* Netpbm PBM image text >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-bitmap 0 search/1 P2 >3 regex =[0-9]*\ [0-9]* Netpbm PGM image text >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-greymap 0 search/1 P3 Netpbm PPM image text >3 regex =[0-9]*\ [0-9]* Netpbm PPM image text >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-pixmap 0 string P4 >3 regex =[0-9]*\ [0-9]* Netpbm PBM "rawbits" image data >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-bitmap 0 string P5 >3 regex =[0-9]*\ [0-9]* Netpbm PGM "rawbits" image data >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-greymap 0 string P6 >3 regex =[0-9]*\ [0-9]* Netpbm PPM "rawbits" image data >3 regex =[0-9]+\ \b, size = %sx >>3 regex =\ [0-9]+ \b%s !:strength + 45 !:mime image/x-portable-pixmap 0 string P7 Netpbm PAM image file !:mime image/x-portable-pixmap # NIFF (Navy Interchange File Format, a modification of TIFF) images # [GRR: this *must* go before TIFF] 0 string IIN1 NIFF image data !:mime image/x-niff # Canon RAW version 1 (CRW) files are a type of Canon Image File Format # (CIFF) file. These are apparently all little-endian. # From: Adam Buchbinder # URL: http://www.sno.phy.queensu.ca/~phil/exiftool/canon_raw.html 0 string II\x1a\0\0\0HEAPCCDR Canon CIFF raw image data !:mime image/x-canon-crw # Canon RAW version 2 (CR2) files are a kind of TIFF with an extra magic # number. Put this above the TIFF test to make sure we detect them. # These are apparently all little-endian. # From: Adam Buchbinder # URL: http://libopenraw.freedesktop.org/wiki/Canon_CR2 0 string II\x2a\0\x10\0\0\0CR Canon CR2 raw image data !:mime image/x-canon-cr2 # Tag Image File Format, from Daniel Quinlan (quinlan@yggdrasil.com) # The second word of TIFF files is the TIFF version number, 42, which has # never changed. The TIFF specification recommends testing for it. 0 string MM\x00\x2a TIFF image data, big-endian !:mime image/tiff 0 string II\x2a\x00 TIFF image data, little-endian !:mime image/tiff 0 string MM\x00\x2b Big TIFF image data, big-endian !:mime image/tiff 0 string II\x2b\x00 Big TIFF image data, little-endian !:mime image/tiff # PNG [Portable Network Graphics, or "PNG's Not GIF"] images # (Greg Roelofs, newt@uchicago.edu) # (Albert Cahalan, acahalan@cs.uml.edu) # # 137 P N G \r \n ^Z \n [4-byte length] H E A D [HEAD data] [HEAD crc] ... # 0 string \x89PNG\x0d\x0a\x1a\x0a PNG image data !:mime image/png # possible GIF replacements; none yet released! # (Greg Roelofs, newt@uchicago.edu) # # GRR 950115: this was mine ("Zip GIF"): 0 string GIF94z ZIF image (GIF+deflate alpha) !:mime image/x-unknown # # GRR 950115: this is Jeremy Wohl's Free Graphics Format (better): # 0 string FGF95a FGF image (GIF+deflate beta) !:mime image/x-unknown # # GRR 950115: this is Thomas Boutell's Portable Bitmap Format proposal # (best; not yet implemented): # 0 string PBF PBF image (deflate compression) !:mime image/x-unknown # GIF 0 string GIF8 GIF image data !:mime image/gif !:apple 8BIMGIFf # From: Joerg Jenderek # most files with the extension .EPA and some with .BMP 0 string \x11\x06 Award BIOS Logo, 136 x 84 !:mime image/x-award-bioslogo 0 string \x11\x09 Award BIOS Logo, 136 x 126 !:mime image/x-award-bioslogo #0 string \x07\x1f BIOS Logo corrupted? # http://www.blackfiveservices.co.uk/awbmtools.shtml # http://biosgfx.narod.ru/v3/ # http://biosgfx.narod.ru/abr-2/ 0 string AWBM >4 leshort <1981 Award BIOS bitmap !:mime image/x-award-bmp # PC bitmaps (OS/2, Windows BMP files) (Greg Roelofs, newt@uchicago.edu) 0 string BM >14 leshort 12 PC bitmap, OS/2 1.x format !:mime image/x-ms-bmp >14 leshort 64 PC bitmap, OS/2 2.x format !:mime image/x-ms-bmp >14 leshort 40 PC bitmap, Windows 3.x format !:mime image/x-ms-bmp >14 leshort 128 PC bitmap, Windows NT/2000 format !:mime image/x-ms-bmp # XPM icons (Greg Roelofs, newt@uchicago.edu) 0 search/1 /*\ XPM\ */ X pixmap image text !:mime image/x-xpmi # DICOM medical imaging data 128 string DICM DICOM medical imaging data !:mime application/dicom # XWD - X Window Dump file. # As described in /usr/X11R6/include/X11/XWDFile.h # used by the xwd program. # Bradford Castalia, idaeim, 1/01 # updated by Adam Buchbinder, 2/09 # The following assumes version 7 of the format; the first long is the length # of the header, which is at least 25 4-byte longs, and the one at offset 8 # is a constant which is always either 1 or 2. Offset 12 is the pixmap depth, # which is a maximum of 32. 0 belong >100 >8 belong <3 >>12 belong <33 >>>4 belong 7 XWD X Window Dump image data !:mime image/x-xwindowdump # PCX image files # From: Dan Fandrich # updated by Joerg Jenderek at Feb 2013 by http://de.wikipedia.org/wiki/PCX # http://web.archive.org/web/20100206055706/http://www.qzx.com/pc-gpe/pcx.txt # GRR: original test was still too general as it catches xbase examples T5.DBT,T6.DBT with 0xa000000 # test for bytes 0x0a,version byte (0,2,3,4,5),compression byte flag(0,1), bit depth (>0) of PCX or T5.DBT,T6.DBT 0 ubelong&0xffF8fe00 0x0a000000 # for PCX bit depth > 0 >3 ubyte >0 # test for valid versions >>1 ubyte <6 >>>1 ubyte !1 PCX !:mime image/x-pcx # Adobe Photoshop # From: Asbjoern Sloth Toennesen 0 string 8BPS Adobe Photoshop Image !:mime image/vnd.adobe.photoshop # Summary: DjVu image / document # Extension: .djvu # Reference: http://djvu.org/docs/DjVu3Spec.djvu # Submitted by: Stephane Loeuillet # Modified by (1): Abel Cheung 0 string AT&TFORM >12 string DJVM DjVu multiple page document !:mime image/vnd.djvu >12 string DJVU DjVu image or single page document !:mime image/vnd.djvu >12 string DJVI DjVu shared document !:mime image/vnd.djvu >12 string THUM DjVu page thumbnails !:mime image/vnd.djvu # Originally by Marc Espie # Modified by Robert Minsk # http://www.openexr.com/openexrfilelayout.pdf 0 lelong 20000630 OpenEXR image data, !:mime image/x-exr # SMPTE Digital Picture Exchange Format, SMPTE DPX # # ANSI/SMPTE 268M-1994, SMPTE Standard for File Format for Digital # Moving-Picture Exchange (DPX), v1.0, 18 February 1994 # Robert Minsk 0 string SDPX DPX image data, big-endian, !:mime image/x-dpx #----------------------------------------------------------------------- # Hierarchical Data Format, used to facilitate scientific data exchange # specifications at http://hdf.ncsa.uiuc.edu/ 0 belong 0x0e031301 Hierarchical Data Format (version 4) data !:mime application/x-hdf 0 string \211HDF\r\n\032\n Hierarchical Data Format (version 5) data !:mime application/x-hdf # http://www.cartesianinc.com/Tech/ 0 string CPC\262 Cartesian Perceptual Compression image !:mime image/x-cpi # Polar Monitor Bitmap (.pmb) used as logo for Polar Electro watches # From: Markus Heidelberg 0 string/t [BitmapInfo2] Polar Monitor Bitmap text !:mime image/x-polar-monitor-bitmap # Type: Olympus ORF raw images. # URL: http://libopenraw.freedesktop.org/wiki/Olympus_ORF # From: Adam Buchbinder 0 string MMOR Olympus ORF raw image data, big-endian !:mime image/x-olympus-orf 0 string IIRO Olympus ORF raw image data, little-endian !:mime image/x-olympus-orf 0 string IIRS Olympus ORF raw image data, little-endian !:mime image/x-olympus-orf # Type: Foveon X3F # URL: http://www.photofo.com/downloads/x3f-raw-format.pdf # From: Adam Buchbinder # Note that the MIME type isn't defined anywhere that I can find; if # there's a canonical type for this format, it should replace this one. 0 string FOVb Foveon X3F raw image data !:mime image/x-x3f # Paint.NET file # From Adam Buchbinder 0 string PDN3 Paint.NET image data !:mime image/x-paintnet