Re: Nmap on Android

[Vlatko Kosturjak <kost () linux hr>]

On 07/08/2010 10:26 PM, David Fifield wrote:
> On Thu, Jul 08, 2010 at 10:16:54PM +0200, Vlatko Kosturjak wrote:
> > On 06/30/2010 04:19 PM, Vlatko Kosturjak wrote:
> > Same note applies:
> > * if you want to use all features - use rooted phone
> > (i guess everyone who have android on this list have already done that :) -
> > * tested on G1 (cyagenomod)
> > * sometimes there's no output due to davlik's stdout/stderr handling,
> > use -oA and --log-errors options ALWAYS when starting scan - and even
> > calling something like --iflist (anyone aware how can this be fixed?
> I was talking with a developer named Luke Jeter who tried this on a
> non-rooted, non-Cyanogen phone. It would run and how the usage output,
> but trying to use any options would make the program quit without any
> output. Maybe he can comment more about it.

Yes, it happens and I have documented that (in each post to this list):
* sometimes there's no output due to davlik's stdout/stderr handling,
 use -oA and --log-errors options ALWAYS when starting scan - and even
 calling something like --iflist (anyone aware how can this be fixed?

So, does he have correct permissions for -oA file writting? Is there any
output of -oA?

> Can you post cross-compiling instructions? What does someone need in
> order to build it? Just the Android SDK?

Actually, you need:

* Android NDK (native development kit) as Android SDK is Java based. As
original NDK does not support C++ fully, I have used
android-ndk-r2-crystax from here:
http://www.crystax.net/android/ndk-r2.php

* build wrappers which you can get from here:
http://github.com/kost/droid-wrapper

* patches which I sent originally to the list:
http://seclists.org/nmap-dev/2010/q2/att-1021/nmap-android-fixes.diff

* and following command line (for SSL based build):
ac_cv_linux_vers=2 CC=droid-gcc CXX=droid-g++ LD=droid-ld ./configure
--host=arm-linux-eabi --without-zenmap
--with-liblua=/src/nmap-5.30BETA1/liblua --with-libpcap=internal
--without-nping --without-ncat --with-pcap=linux
--with-openssl=/sd-ext/opt/openssl --enable-static
--prefix=/sd-ext/opt/nmap-5.30BETA1

* There's few fixes which I fixed on the fly which I described in my
original post to the list. Only difference for SSL build is that OpenSSL
disabled MD2 in newer builds by default (so, you need to wrap #ifdef
around md2 nse function):
http://www.openssl.org/news/changelog.html

Kost
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