#!/bin/sh
set -e

TESTDIR=$(readlink -f $(dirname $0))
. $TESTDIR/framework

setupenvironment
configarchitecture "i386"

# mock
requires_root() {
    return 0
}

# extract net_update() and import it
func=$( sed -n -e '/^add_keys_with_verify_against_master_keyring/,/^}/p' ${BUILDDIRECTORY}/apt-key )
eval "$func"

mkdir -p ./etc/apt
TRUSTEDFILE=./etc/apt/trusted.gpg
mkdir -p ./var/lib/apt/keyrings
TMP_KEYRING=./var/lib/apt/keyrings/maybe-import-keyring.gpg
GPG_CMD="gpg --ignore-time-conflict --no-options --no-default-keyring"
GPG="$GPG_CMD --keyring $TRUSTEDFILE"
MASTER_KEYRING=/usr/share/keyrings/ubuntu-master-keyring.gpg


msgtest "add_keys_with_verify_against_master_keyring"
if [ ! -e $MASTER_KEYRING ]; then
    echo -n "No $MASTER_KEYRING found"
    msgskip 
    exit 0
fi

# test bad keyring and ensure its not added (LP: #857472)
ADD_KEYRING=./keys/exploid-keyring-with-dupe-keys.pub
if add_keys_with_verify_against_master_keyring $ADD_KEYRING $MASTER_KEYRING; then
    msgfail
else
    msgpass
fi

# ensure the keyring is still empty
gpg_out=$($GPG --list-keys)
msgtest "Test if keyring is empty"
if [ -n "" ]; then
    msgfail
else
    msgpass
fi


# test another possible attack vector using subkeys (LP: #1013128)
msgtest "add_keys_with_verify_against_master_keyring with subkey attack"
ADD_KEYRING=./keys/exploid-keyring-with-dupe-subkeys.pub
if add_keys_with_verify_against_master_keyring $ADD_KEYRING $MASTER_KEYRING; then
    msgfail
else
    msgpass
fi

# ensure the keyring is still empty
gpg_out=$($GPG --list-keys)
msgtest "Test if keyring is empty"
if [ -n "" ]; then
    msgfail
else
    msgpass
fi


# test good keyring and ensure we get no errors
ADD_KEYRING=/usr/share/keyrings/ubuntu-archive-keyring.gpg
if add_keys_with_verify_against_master_keyring $ADD_KEYRING $MASTER_KEYRING; then
    msgpass
else
    msgfail
fi

testequal './etc/apt/trusted.gpg
---------------------
pub   1024D/437D05B5 2004-09-12
uid                  Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
sub   2048g/79164387 2004-09-12

pub   1024D/FBB75451 2004-12-30
uid                  Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>

pub   4096R/C0B21F32 2012-05-11
uid                  Ubuntu Archive Automatic Signing Key (2012) <ftpmaster@ubuntu.com>

pub   4096R/EFE21092 2012-05-11
uid                  Ubuntu CD Image Automatic Signing Key (2012) <cdimage@ubuntu.com>
' $GPG --list-keys