radare2/README.md

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```
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____ ___ ___ ___ ____ ___ ____
| _ \/ \| \/ \ _ \/ _ \ |__ \
| ( V | | ) V | ( _/ / __/
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|__\__|_|__|___/__|__|_\__|___| |____|
www.radare.org
--pancake
```
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| | |
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|----------|---------------------------------------------------------------------|
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| **Jenkins** | [![Build Status](http://ci.rada.re/buildStatus/icon?job=radare2)](http://ci.rada.re/job/radare2)|
| **TravisCI** | [![Build Status](https://travis-ci.org/radare/radare2.svg?branch=master)](https://travis-ci.org/radare/radare2)|
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| **AppVeyor** | [![Build Status](https://ci.appveyor.com/api/projects/status/v9bxvsb1p6c3cmf9/branch/master?svg=true)](https://ci.appveyor.com/project/radare/radare2-shvdd)|
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| **Coverity** | [![Build Status](https://scan.coverity.com/projects/416/badge.svg)](https://scan.coverity.com/projects/416) |
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# Introduction
r2 is a rewrite from scratch of radare in order to provide
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a set of libraries and tools to work with binary files.
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Radare project started as a forensics tool, a scriptable
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commandline hexadecimal editor able to open disk files,
but later support for analyzing binaries, disassembling
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code, debugging programs, attaching to remote gdb servers, ..
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radare2 is portable.
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* **Architectures:**
* 6502, 8051, CRIS, H8/300, LH5801, T8200, arc, arm, avr, bf, blackfin, xap,
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dalvik, dcpu16, gameboy, i386, i4004, i8080, m68k, malbolge, mips, msil,
msp430, nios II, powerpc, rar, sh, snes, sparc, tms320 (c54x c55x c55+), V810,
x86-64, zimg, risc-v.
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* **File Formats:**
* bios, CGC, dex, elf, elf64, filesystem, java, fatmach0, mach0,
mach0-64, MZ, PE, PE+, TE, COFF, plan9, dyldcache, Commodore VICE emulator,
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Game Boy (Advance), Nintendo DS ROMs and Nintendo 3DS FIRMs.
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* **Operating Systems:**
* Android, GNU/Linux, [Net|Free|Open]BSD, iOS, OSX, QNX, w32,
w64, Solaris, Haiku, FirefoxOS
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* **Bindings:**
* Vala/Genie, Python (2, 3), NodeJS, Lua, Go, Perl,
Guile, php5, newlisp, Ruby, Java, OCaml, ...
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# Dependencies
radare2 can be built without any special dependency, just
use make and get a working toolchain (gcc, clang, tcc, ..)
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Optionally you can use libewf for loading EnCase disk images.
To build the bindings you need latest valabind, g++ and swig2.
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# Install
The easiest way to install radare2 from git is by running
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the following command:
$ sys/install.sh
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If you want to install radare2 in the home directory without
using root privileges and sudo, simply run:
$ sys/user.sh
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# Building with meson + ninja
The sys/install.sh method uses acr+make to build r2 from sources, which is the default
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and recommended way, but there's also a work-in-progress support for Meson.
Run first the configuration process:
$ ./configure
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You can install last version of meson and ninja using r2pm:
$ r2pm -i meson
$ r2pm -r make meson
$ r2pm -r make meson-symstall
Or just run those lines if you have them available in PATH:
$ make meson # will run make meson-config automatically
$ sudo make meson-symstall # symstall the meson build into PREFIX (/usr)
$ sudo make meson-uninstall # uninstall the meson installation
The PREFIX is inherited from the last run of ./configure, so it's recommended to run
sys/install.sh at least once to autodetect this, this step will end up into meson.
At the moment, the meson build system doesnt supports much configuration options and it
is not able to build all the plugins, it has been tested to work on the following hosts:
* Rpi3-arm32
* macOS-x86-64
* Termux/Android-arm64
* VoidLinux-x86-64
* Windows-x86-64
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# Update
To update Radare2 system wide you don't need to uninstall or pull,
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just re-run:
$ sys/install.sh
If you installed Radare2 in the home directory,
just re-run:
$ sys/user.sh
# Uninstall
In case of a polluted filesystem you can uninstall the current
version or remove all previous installations:
$ make uninstall
$ make purge
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# Package manager
Radare2 has its own package manager - r2pm. It's packages
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repository is on [GitHub too](https://github.com/radare/radare2-pm).
To start to use it for the first time you need to initialize packages:
$ r2pm init
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Refresh the packages database before installing any package:
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$ r2pm update
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To install a package use the following command:
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$ r2pm install [package name]
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# Bindings
All language bindings are under the r2-bindings directory.
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You will need to install swig and valabind in order to
build the bindings for Python, Lua, etc..
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APIs are defined in vapi files which are then translated
to swig interfaces, nodejs-ffi or other and then compiled.
The easiest way to install the python bindings is to run:
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$ r2pm install lang-python2 #lang-python3 for python3 bindings
$ r2pm install r2api-python
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$ r2pm install r2pipe-py
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In addition there are `r2pipe` bindings, which are an API
interface to interact with the prompt, passing commands
and receivent the output as a string, many commands support
JSON output, so it's integrated easily with many languages
in order to deserialize it into native objects.
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$ npm install r2pipe # NodeJS
$ gem install r2pipe # Ruby
$ pip install r2pipe # Python
$ opam install radare2 # OCaml
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And also for Go, Rust, Swift, D, .NET, Java, NewLisp, Perl, Haskell,
Vala, OCaml, and many more to come!
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# Regression Testsuite
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Running `make tests` it will fetch the radare2-regressions
repository and run all the tests in order to verify that no
changes break a functionality.
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We run those tests on every commit, and they are also
executed with ASAN and valgrind on different platforms
to catch other unwanted 'features'.
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# Documentation
There is no formal documentation of r2 yet. Not all commands
are compatible with radare1, so the best way to learn how to
do stuff in r2 is by reading the examples from the web and
appending '?' to every command you are interested in.
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Commands are small mnemonics of few characters and there is
some extra syntax sugar that makes the shell much more pleasant
for scripting and interacting with the apis.
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You could also checkout the [radare2 book](https://radare.gitbooks.io/radare2book/content/).
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# Coding Style
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Look at [CONTRIBUTING.md](https://github.com/radare/radare2/blob/master/CONTRIBUTING.md).
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# Webserver
radare2 comes with an embedded webserver that serves a pure
html/js interface that sends ajax queries to the core and
aims to implement an usable UI for phones, tablets and desktops.
$ r2 -c=H /bin/ls
To use the webserver on Windows, you require a cmd instance
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with administrator rights. To start the webserver use command
in the project root.
> radare2.exe -c=H rax2.exe
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# Pointers
Website: http://www.radare.org/
IRC: irc.freenode.net #radare
Telegram: https://t.me/radare
Matrix: @radare2:matrix.org
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Twitter: @radareorg