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Add iputils static pie build #86

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StefanJum opened this issue Mar 31, 2023 · 3 comments · May be fixed by #87
Open

Add iputils static pie build #86

StefanJum opened this issue Mar 31, 2023 · 3 comments · May be fixed by #87

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@StefanJum
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Add iputils commands as a -static-pie build. Test it natively on Linux and with run-elfloader on Unikraft. In case of issues with Unikraft, post an issue in the Unikraft core repository.

Follow the structure of existing applications or submitted for review applications: create a folder with build.sh script, a README.md file, a rootfs/ subfolder (if required), the -static-pie built executable and other useful files.

Hackathon points: 40
@kouk
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kouk commented Mar 31, 2023 •
edited

Working on this with @iAmGroute and @Se7enBit

@kouk
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kouk commented Mar 31, 2023 •
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We are facing two issues with this:

  1. ping defaults to using normal sockets but there's a bug in lwip where the package is sent using UDP protocol instead of ICMP.
  2. Add RAW socket type to LwIP lib-lwip#2
    these are probably related?

@kouk
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kouk commented Mar 31, 2023

We managed to build lwip with LWIP_RAW=1 and then we could ping like this:

./run_elfloader -k ../app-elfloader/build/app-elfloader_kvm-x86_64 -g -n ../static-pie-apps/iputils/ping -n -4 -v -d -e 0 172.44.0.3

The -e 0 option forces use of a RAW socket, instead of the default which is a Ping socket.

@kouk kouk linked a pull request Mar 31, 2023 that will close this issue
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Add iputils static PIE build kouk/static-pie-apps
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@kouk @StefanJum