[Request] SHC compiled for Fremantle/Harmattan - maemo.org

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	peterleinchen	2014-05-27 , 20:49
	Posts: 4,117 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#1

Hey,

another little request from my side.
Could any kind soul try to compile SHC (a converter from shell script to C program) for Harmattan and also Fremantle.
Main purpose I want this to have is to have some shell scripts calling devel-su (hereby containing my root password as plain text). I found no other possibility to hide the text of a sh script to a user (which should have the right to execute).

Here are the sources.
TIA

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	zxcvbnm3230	2014-05-27 , 21:02
	Posts: 132 \| Thanked: 224 times \| Joined on Dec 2013	#2

Actually, you can use this command:

Code:

echo <your-devel-su-password> | devel-su -c "<command-here>"

So, if you want to do, for instance, apt-get update and your root password is 'rootme', you simply type this:

Code:

echo rootme | devel-su -c "apt-get update"

-----
shame on me, seems, that's not what you are looking for, i was inattentive reading your post, sorry

Last edited by zxcvbnm3230; 2014-05-27 at 21:09.

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	peterleinchen	2014-05-27 , 21:09
	Posts: 4,117 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#3

Originally Posted by zxcvbnm3230

Actually, you can use this command:
Code:
echo <your-devel-su-password> | devel-su -c "<command-here>"

Exactly this I do want to hide (NOT want it in plain shell script), as this opens up my root password (which is definitely not 'rootme') readable to (dumb smartphone) user.

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The Following User Says Thank You to peterleinchen For This Useful Post:
pichlo

	pichlo	2014-05-27 , 22:02
	Posts: 6,445 \| Thanked: 20,981 times \| Joined on Sep 2012 @ UK	#4

Code:

#include <stdio.h>

void decode_password (const char *src, char *dst)
{
  // Does not need to be terribly complex or safe:
  // the main goal is to hide the decoded password
  // from plain sight and that is achieved
}

int main (void)
{
  static const char encoded[] = "!£$%^&*()_+@";
  char decoded[256];
  char buffer[512];

  decode_password(encoded, decoded);
  sprintf(buffer, "echo \"%s\" | devel-su -c foo", decoded);
  return system(buffer);
}

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The Following User Says Thank You to pichlo For This Useful Post:
peterleinchen

	Halftux	2014-05-28 , 00:04
	Posts: 862 \| Thanked: 2,511 times \| Joined on Feb 2012 @ Germany	#5

So I compiled the sources and I try to make the example "match" but it is obvious that you need a c compiler ("cc" command") on your phone.
You can have a try.

Edit: What is your command for the c compiler? gcc? then you need to export CC=gcc

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