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WINDOWS: Requires path to MinGW. Makefile defaults MinGW gcc path to /opt/mingw32/bin If you installed mingw32 in different location modify line 13 in Makefile. Requires libiberty.a to compile MingGW: http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Automated%20Builds/ $ make cross ---------------------------------------------------------------------- FOREMOST ---------------------------------------------------------------------- Foremost is a Linux program to recover files based on their headers and footers. Foremost can work on image files, such as those generated by dd, Safeback, Encase, etc, or directly on a drive. The headers and footers are specified by a configuration file, so you can pick and choose which headers you want to look for. -------------------------------------------- INSTALL FOREMOST -------------------------------------------- To run foremost, you must: - uncompress the archive - compile - install Here's how to do it: LINUX: $ tar zxvf foremost-xx.tar.gz $ cd foremost-xx $ make $ make install BSD: $ tar zxvf foremost-xx.tar.gz $ cd foremost-xx $ make unix $ make install SOLARIS: $ tar zxvf foremost-xx.tar.gz $ cd foremost-xx $ make solaris $ make install OSX: $ tar zxvf foremost-xx.tar.gz $ cd foremost-xx $ make mac $ make macinstall On systems with older versions of glibc (earlier than 2.2.0), you will get some harmless warnings about ftello and fseeko not being defined. You can ignore these. If you ever need to remove foremost from your system, you can do this: $ make uninstall -------------------------------------------- USING FOREMOST -------------------------------------------- A description of the command line arguments can be found in the man page. To view it: $ man foremost -------------------------------------------- CONFIGURATION FILE FORMAT -------------------------------------------- The configuration file is used to control what types of files foremost searches for. A sample configuration file, foremost.conf, is included with this distribution. For each file type, the configuration file describes the file's extension, whether the header and footer are case sensitive, the maximum file size, and the header and footer for the file. The footer field is optional, but header, size, case sensitivity, and extension are not! Any line that begins with a '#' is considered a comment and ignored. Thus, to skip a file type just put a '#' at the beginning of that line Headers and footers are decoded before use. To specify a value in hexadecimal use \x[0-f][0-f], and for octal use \[1-9][1-9][1-9]. Spaces can be represented by \s. Example: "\x4F\123\I\sCCI" decodes to "OSI CCI". To match any single character (aka a wildcard) use a '?'. If you need to search for the '?' character, you will need to change the 'wildcard' line *and* every occurrence of the old wildcard character in the configuration file. Don't forget those hex and octal values! '?' is equal to 0x3f and \063. Here's a sample set of headers and footers: # extension case-sens max-size header footer (option) # # GIF and JPG files (very common) gif y 155000 \x47\x49\x46\x38\x37\x61 \x00\x3b gif y 155000 \x47\x49\x46\x38\x39\x61 \x00\x00\x3b jpg y 200000 \xff\xd8\xff \xff\xd9 Note: the option is a method of specifying additional options. Current the following options exist: FORWARD: Specify to search from the header to the footer (optional) up to the max-size. REVERSE: Specify to search from the footer to the header up to the max-size. NEXT: Specify to search from the header to the data just past the footer. This allows you to specify data that you know is 'NOT' in the data you are looking for and should terminated the search, up to the max-size. -------------------------------------------- BUG REPORTING -------------------------------------------- Please report ALL bugs to nick dot mikus AT gmail d0t com. Please include a description of the bug, how you found it, and your contact information. -------------------------------------------- CREDITS AND THANKS -------------------------------------------- Foremost was written by Special Agent Kris Kendall and Special Agent Jesse Kornblum of the United States Air Force Office of Special Investigations starting in March 2001. This program would not be what it is today without help from (in no particular order): Rob Meekins, Dan Kalil, and Chet Maciag. This project was inspired by CarvThis, written by the Defense Computer Forensic Lab in 1999. -------------------------------------------- LEGAL NOTICE -------------------------------------------- dd, Safeback, and Encase are copyrighted works and any questions regarding these tools should be directed to the copyright holders. The United States Government does not endorse the use of these or any other imaging tools.
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Compile foremost for windows so it can run without cygwin. Check README for instruction to compile for windows.
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