#!/bin/sh

#set -x

# Make sure $srcdir is set.
if test "x$srcdir" = x
then
    echo srcdir environment variable not set!
    exit 1
fi

. $srcdir/defs.inc || exit 3

set -e

# Make sure $GNUPGHOME is set.
if test "x$GNUPGHOME" = x
then
    echo "GNUPGHOME not set."
    exit 1
fi

TESTFILES="$plain_files $data_files"

TESTDIR=gpgtar.d
FILELIST="${TESTDIR}/filelist"
PPFILE="${TESTDIR}/passphrase"
PPFLAGS="--gpg-args --passphrase-file=$PPFILE"

GPG=../../g10/gpg
GPGARGS="$opt_always --no-permission-warning"

GPGTAR="../../tools/gpgtar"
GPGZIP="sh ../../tools/gpg-zip"

# Skip test if gpgtar has not been built.
if ! test -x "$GPGTAR"
then
    exit 77
fi

# Create, inspect, and extract an archive with the given options.
#
# $1 the tool to test
# $2 options used to create the archive
# $3 options used to inspect the archive
# $4 options used to extract the archive
do_test()
{
  (
    TOOL="$1"
    CREATE_FLAGS="$2"
    INSPECT_FLAGS="$3"
    EXTRACT_FLAGS="$4"

    rm -rf -- "${TESTDIR}"
    mkdir "${TESTDIR}"
    echo frob >"$PPFILE"

    $TOOL --gpg "$GPG" --gpg-args "$GPGARGS" $CREATE_FLAGS \
	  --output "${TESTDIR}/test.tar.pgp" $TESTFILES

    $TOOL --gpg "$GPG" --gpg-args "$GPGARGS" $INSPECT_FLAGS \
          "${TESTDIR}/test.tar.pgp" \
          >"$FILELIST"
    for F in $TESTFILES
    do
        awk '{print $NF}' "$FILELIST" | grep "^${F}$" >/dev/null
    done

    $TOOL --gpg "$GPG"  --gpg-args "$GPGARGS" $EXTRACT_FLAGS --quiet \
          --tar-args --directory="${TESTDIR}" \
          "${TESTDIR}/test.tar.pgp"
    for F in $TESTFILES
    do
	cmp "$F" "${TESTDIR}/$F"
    done
  )
}

for TOOL in "$GPGTAR" "$GPGZIP"
#for TOOL in "$GPGZIP"
do
    # Asymmetric encryption.
    do_test "$TOOL" \
	    "--encrypt --recipient $usrname2" \
	    "--list-archive" \
	    "--decrypt"

    # Asymmetric encryption and signing.
    do_test "$TOOL" \
	    "--encrypt --recipient $usrname2 --sign --local-user $usrname3" \
	    "--list-archive" \
	    "--decrypt"

    # Signing only.
    do_test "$TOOL" \
	    "--sign --local-user $usrname3" \
	    "--list-archive" \
	    "--decrypt"

    # Symmetric encryption.
    do_test "$TOOL" \
	    "${PPFLAGS} --symmetric" \
	    "${PPFLAGS} --list-archive" \
	    "${PPFLAGS} --decrypt"

    # Symmetric encryption, explicitly choose cipher.
    for a in `all_cipher_algos`; do
	do_test "$TOOL" \
		"${PPFLAGS} --gpg-args --cipher=$a --symmetric" \
		"${PPFLAGS} --list-archive" \
		"${PPFLAGS} --decrypt"
	break
    done

    # Asymmetric and symmetric encryption, and signing.
    do_test "$TOOL" \
	    "${PPFLAGS} --encrypt --symmetric --recipient $usrname2 --sign --local-user $usrname3" \
	    "${PPFLAGS} --list-archive" \
	    "${PPFLAGS} --decrypt"
done

# Success!

exit 0
