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Callback needs to return 1 to hit the callback error check immediately after it is called in userauth.c, since nothing is being signed.
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I believe that this is indeed the core issue but the surrounding code needs a little more work. Stay tuned. |
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Addressed by #2925 |
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@junedic I will credit you in the changelog once the PR gets committed. Thank you for contributing to Nmap! |
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Callback needs to return 1 to hit the callback error check immediately after it is called in userauth.c, since the user/key combination is confirmed at this point.
Otherwise execution runs into memory corruption errors, with further authentication procedures not being implemented for publickey_canauth().