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#!/usr/bin/env python3
# initial 20080123 build from the example:
# very simple - probably INCOMPLETE
# 20080703 Bernhard
# added second usage for detached signatures.
# added output of signature.summary (another bitfield)
# printing signature bitfield in hex format
#
# $Id$
#
# Copyright (C) 2004,2008 Igor Belyi <[email protected]>
# Copyright (c) 2008 Bernhard Reiter <[email protected]>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import os
from pyme import core
from pyme.constants import protocol
def print_engine_infos():
print("gpgme version:", core.check_version(None))
print("engines:")
for engine in core.get_engine_info():
print(engine.file_name, engine.version)
for proto in [protocol.OpenPGP, protocol.CMS]:
print(core.get_protocol_name(proto), core.engine_check_version(proto))
def verifyprintdetails(sigfilename, filefilename=None):
"""Verify a signature, print a lot of details."""
c = core.Context()
# Create Data with signed text.
sig2 = core.Data(file=sigfilename)
if filefilename:
file2 = core.Data(file=filefilename)
plain2 = None
else:
file2 = None
plain2 = core.Data()
# Verify.
c.op_verify(sig2, file2, plain2)
result = c.op_verify_result()
# List results for all signatures. Status equal 0 means "Ok".
for index, sign in enumerate(result.signatures):
print("signature", index, ":")
print(" summary: %#0x" % (sign.summary))
print(" status: %#0x" % (sign.status))
print(" timestamp: ", sign.timestamp)
print(" fingerprint:", sign.fpr)
print(" uid: ", c.get_key(sign.fpr, 0).uids[0].uid)
# Print "unsigned" text if inline signature
if plain2:
#Rewind since verify put plain2 at EOF.
plain2.seek(0, os.SEEK_SET)
print("\n")
sys.stdout.buffer.write(plain2.read())
def main():
print_engine_infos()
print()
argc= len(sys.argv)
if argc < 2 or argc > 3:
print("need a filename for inline signature")
print("or two filename for detached signature and file to check")
sys.exit(1)
if argc == 2:
print("trying to verify file: " + sys.argv[1])
verifyprintdetails(sys.argv[1])
if argc == 3:
print("trying to verify signature %s for file %s" \
% (sys.argv[1], sys.argv[2]))
verifyprintdetails(sys.argv[1], sys.argv[2])
if __name__ == "__main__":
main()
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