Editing PS3 Payload Development

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Now our strncmp gets hooked and our function will get called and we jump back to the strncmp.  
Now our strncmp gets hooked and our function will get called and we jump back to the strncmp.  


Why this won't work that easy and why we jump to "strncmp+4" will be more clear in "Recreate overwritten code".
Why this won't work that easy and why we jump to "strncmp+4" will be more clear in "Recreate overwritten code".  


=== Recreate overwritten code ===
=== Recreate overwritten code ===
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#endif
#endif
</pre>
</pre>
That we jump to "strncmp+4" should be clear now, we have to "overjump" our branch to hook_strncmp.
That we jump to "strncmp+4" should be clear now, we have to "overjump" our branch to hook_strncmp.  


=== Saving the Register ===
=== Saving the Register ===
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First thing we need to do is install some applications through apt, so open a terminal and do the following:
First thing we need to do is install some applications through apt, so open a terminal and do the following:


{{keyboard|content=<syntaxhighlight lang="bash">
{{keyboard|content=
sudo apt-get install git-core gnupg flex bison gperf libsdl1.2-dev libesd0-dev libwxgtk2.6-dev \
sudo apt-get install git-core gnupg flex bison gperf libsdl1.2-dev libesd0-dev libwxgtk2.6-dev \
build-essential zip curl libncurses5-dev zlib1g-dev gcc-4.3 cpp-4.3 g++-4.3 texinfo autoconf
build-essential zip curl libncurses5-dev zlib1g-dev gcc-4.3 cpp-4.3 g++-4.3 texinfo autoconf
</syntaxhighlight>}}
}}


Now we need to clone PSFreedom from github to our local PC, pull it's submodules and get the toolchain installed
Now we need to clone PSFreedom from github to our local PC, pull it's submodules and get the toolchain installed


{{keyboard|content=<syntaxhighlight lang="bash">
{{keyboard|content=
cd ~/
cd ~/
git clone git://github.com/kakaroto/PSFreedom.git
git clone git://github.com/kakaroto/PSFreedom.git
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cd ps3toolchain
cd ps3toolchain
sudo ./toolchain-sudo.sh
sudo ./toolchain-sudo.sh
</syntaxhighlight>}}
}}


Now go get a Coffee/sleep, installing the toolchain can take a few hours (6-7 hours if you are running Ubuntu in a Virtual PC)
Now go get a Coffee/sleep, installing the toolchain can take a few hours (6-7 hours if you are running Ubuntu in a Virtual PC)
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Now you need to edit your .bashrc file:
Now you need to edit your .bashrc file:


{{keyboard|content=<syntaxhighlight lang="bash">gedit ~/.bashrc</syntaxhighlight>}}
{{keyboard|content=
gedit ~/.bashrc
}}


Add the following line to the end of the file:
Add the following line to the end of the file:


{{keyboard|content=<syntaxhighlight lang="bash">export PATH=${PATH}:/usr/local/ps3dev/ppu/bin/</syntaxhighlight>}}
{{keyboard|content=
export PATH=${PATH}:/usr/local/ps3dev/ppu/bin/
}}


To compile PSFreedom's payloads is simple now, open a terminal and do the following:
To compile PSFreedom's payloads is simple now, open a terminal and do the following:


{{keyboard|content=<syntaxhighlight lang="bash">
{{keyboard|content=
cd ~/PSFreedom/pl3
cd ~/PSFreedom/pl3
make
make
</syntaxhighlight>}}
}}


That's it, you can now find the payload .bin files in the PSFreedom/pl3 folder.
That's it, you can now find the payload .bin files in the PSFreedom/pl3 folder.  


== Other ==
== Other ==
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