NAME¶

rapatch2 — binary patching utility

SYNOPSIS¶

DESCRIPTION¶

A utility for applying binary patches to files using a human-friendly text format.

The patches must be written in a file using the following syntax:

^# -> comments
! -> execute command
OFFSET { code block }
OFFSET "string"
OFFSET 01020304
OFFSET : assembly
+ {code}|"str"|0210|: asm

OPTIONS¶

-p N

Patch level, skip N directories

-R

Reverse patch

-s

Sandbox mode, disable scripts and r2 command execution

-q

Be quiet

-v

Show version

ENVIRONMENT¶

rapatch2 does not use any environment variables.

EXAMPLES¶

Generate a patch using radiff2 and apply it with rapatch2:

$ radiff2 -u bin1 bin2 > patch
$ rapatch2 -p 1 < patch

Patch a specific file:

$ rapatch2 bin1 patch

Create a simple patch file manually:

$ cat > mypatch.r2
0x100 "Hello World"
0x200 9090
0x300 : nop
^D
$ rapatch2 target_binary mypatch.r2

SEE ALSO¶

radare2(1) radiff2(1)

AUTHORS¶

Written by pancake <pancake@nopcode.org>.