mirror of
https://github.com/radareorg/radare2
synced 2026-08-22 20:23:32 -04:00
66 lines
No EOL
1.2 KiB
Groff
66 lines
No EOL
1.2 KiB
Groff
.Dd Jul 10, 2025
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.Dt RAPATCH2 1
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.Sh NAME
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.Nm rapatch2
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.Nd binary patching utility
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.Sh SYNOPSIS
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.Nm rapatch2
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.Op Fl psRqv
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.Op Ar patchfile
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.Op Ar targetfile
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.Sh DESCRIPTION
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A utility for applying binary patches to files using a human-friendly text format.
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.Pp
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The patches must be written in a file using the following syntax:
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.Bd -literal -offset indent
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^# -> comments
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. -> execute command
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! -> execute command
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OFFSET { code block }
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OFFSET "string"
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OFFSET 01020304
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OFFSET : assembly
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+ {code}|"str"|0210|: asm
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.Ed
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.Sh OPTIONS
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.Bl -tag -width Fl
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.It Fl p Ar N
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Patch level, skip N directories
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.It Fl R
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Reverse patch
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.It Fl s
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Sandbox mode, disable scripts and r2 command execution
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.It Fl q
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Be quiet
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.It Fl v
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Show version
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.El
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.Sh ENVIRONMENT
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.Pp
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rapatch2 does not use any environment variables.
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.Sh EXAMPLES
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.Pp
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Generate a patch using radiff2 and apply it with rapatch2:
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.Pp
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$ radiff2 -u bin1 bin2 > patch
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$ rapatch2 -p 1 < patch
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.Pp
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Patch a specific file:
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.Pp
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$ rapatch2 bin1 patch
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.Pp
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Create a simple patch file manually:
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.Pp
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$ cat > mypatch.r2
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0x100 "Hello World"
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0x200 9090
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0x300 : nop
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^D
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$ rapatch2 target_binary mypatch.r2
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.Sh SEE ALSO
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.Pp
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.Xr radare2(1)
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.Xr radiff2(1)
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.Sh AUTHORS
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.Pp
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Written by pancake <pancake@nopcode.org>. |