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#!/usr/bin/env python3
"""
Botan install script
(C) 2014,2015,2017 Jack Lloyd
Botan is released under the Simplified BSD License (see license.txt)
"""
import errno
import json
import logging
import optparse # pylint: disable=deprecated-module
import os
import shutil
import sys
import traceback
def parse_command_line(args):
parser = optparse.OptionParser()
parser.add_option('--verbose', action='store_true', default=False,
help='Show debug messages')
parser.add_option('--quiet', action='store_true', default=False,
help='Show only warnings and errors')
build_group = optparse.OptionGroup(parser, 'Source options')
build_group.add_option('--build-dir', metavar='DIR', default='build',
help='Location of build output (default \'%default\')')
parser.add_option_group(build_group)
install_group = optparse.OptionGroup(parser, 'Installation options')
install_group.add_option('--prefix', default='/usr/local',
help='Set output directory (default %default)')
install_group.add_option('--bindir', default='bin', metavar='DIR',
help='Set binary subdir (default %default)')
install_group.add_option('--libdir', default='lib', metavar='DIR',
help='Set library subdir (default %default)')
install_group.add_option('--includedir', default='include', metavar='DIR',
help='Set include subdir (default %default)')
install_group.add_option('--docdir', default='share/doc', metavar='DIR',
help='Set documentation subdir (default %default)')
install_group.add_option('--pkgconfigdir', default='pkgconfig', metavar='DIR',
help='Set pkgconfig subdir (default %default)')
install_group.add_option('--umask', metavar='MASK', default='022',
help='Umask to set (default %default)')
parser.add_option_group(install_group)
(options, args) = parser.parse_args(args)
def log_level():
if options.verbose:
return logging.DEBUG
if options.quiet:
return logging.WARNING
return logging.INFO
logging.getLogger().setLevel(log_level())
return (options, args)
class PrependDestdirError(Exception):
pass
def is_subdir(path, subpath):
return os.path.relpath(path, start=subpath).startswith("..")
def prepend_destdir(path):
"""
Needed because os.path.join() discards the first path if the
second one is absolute, which is usually the case here. Still, we
want relative paths to work and leverage the os awareness of
os.path.join().
"""
destdir = os.environ.get('DESTDIR', "")
if destdir:
# DESTDIR is non-empty, but we only join absolute paths on UNIX-like file systems
if os.path.sep != "/":
raise PrependDestdirError("Only UNIX-like file systems using forward slash " \
"separator supported when DESTDIR is set.")
if not os.path.isabs(path):
raise PrependDestdirError("--prefix must be an absolute path when DESTDIR is set.")
path = os.path.normpath(path)
# Remove / or \ prefixes if existent to accomodate for os.path.join()
path = path.lstrip(os.path.sep)
path = os.path.join(destdir, path)
if not is_subdir(destdir, path):
raise PrependDestdirError("path escapes DESTDIR (path='%s', destdir='%s')" % (path, destdir))
return path
def makedirs(dirname, exist_ok=True):
try:
logging.debug('Creating directory %s' % (dirname))
os.makedirs(dirname)
except OSError as e:
if e.errno != errno.EEXIST or not exist_ok:
raise e
# Clear link and create new one
def force_symlink(target, linkname):
try:
os.unlink(linkname)
except OSError as e:
if e.errno != errno.ENOENT:
raise e
os.symlink(target, linkname)
def calculate_exec_mode(options):
out = 0o777
if 'umask' in os.__dict__:
umask = int(options.umask, 8)
logging.debug('Setting umask to %s' % oct(umask))
os.umask(int(options.umask, 8))
out &= (umask ^ 0o777)
return out
def main(args):
# pylint: disable=too-many-locals,too-many-branches,too-many-statements
logging.basicConfig(stream=sys.stdout,
format='%(levelname) 7s: %(message)s')
(options, args) = parse_command_line(args)
exe_mode = calculate_exec_mode(options)
def copy_file(src, dst):
logging.debug('Copying %s to %s' % (src, dst))
shutil.copyfile(src, dst)
def copy_executable(src, dst):
copy_file(src, dst)
logging.debug('Make %s executable' % dst)
os.chmod(dst, exe_mode)
with open(os.path.join(options.build_dir, 'build_config.json')) as f:
cfg = json.load(f)
ver_major = int(cfg['version_major'])
ver_minor = int(cfg['version_minor'])
ver_patch = int(cfg['version_patch'])
target_os = cfg['os']
build_shared_lib = bool(cfg['build_shared_lib'])
build_static_lib = bool(cfg['build_static_lib'])
build_cli = bool(cfg['build_cli_exe'])
out_dir = cfg['out_dir']
bin_dir = options.bindir
lib_dir = options.libdir
target_include_dir = os.path.join(options.prefix,
options.includedir,
'botan-%d' % (ver_major),
'botan')
for d in [options.prefix, lib_dir, bin_dir, target_include_dir]:
makedirs(prepend_destdir(d))
build_include_dir = os.path.join(options.build_dir, 'include', 'botan')
for include in sorted(os.listdir(build_include_dir)):
if include == 'internal':
continue
copy_file(os.path.join(build_include_dir, include),
prepend_destdir(os.path.join(target_include_dir, include)))
build_external_include_dir = os.path.join(options.build_dir, 'include', 'external')
for include in sorted(os.listdir(build_external_include_dir)):
copy_file(os.path.join(build_external_include_dir, include),
prepend_destdir(os.path.join(target_include_dir, include)))
if build_static_lib or target_os == 'windows':
static_lib = cfg['static_lib_name']
copy_file(os.path.join(out_dir, static_lib),
prepend_destdir(os.path.join(lib_dir, os.path.basename(static_lib))))
if build_shared_lib:
if target_os == "windows":
libname = cfg['libname']
soname_base = libname + '.dll'
copy_executable(os.path.join(out_dir, soname_base),
prepend_destdir(os.path.join(bin_dir, soname_base)))
else:
soname_patch = cfg['soname_patch']
soname_abi = cfg['soname_abi']
soname_base = cfg['soname_base']
copy_executable(os.path.join(out_dir, soname_patch),
prepend_destdir(os.path.join(lib_dir, soname_patch)))
if target_os != "openbsd":
prev_cwd = os.getcwd()
try:
os.chdir(prepend_destdir(lib_dir))
force_symlink(soname_patch, soname_abi)
force_symlink(soname_patch, soname_base)
finally:
os.chdir(prev_cwd)
if build_cli:
copy_executable(cfg['cli_exe'], prepend_destdir(os.path.join(bin_dir, cfg['cli_exe_name'])))
if 'botan_pkgconfig' in cfg:
pkgconfig_dir = os.path.join(options.prefix, options.libdir, options.pkgconfigdir)
makedirs(prepend_destdir(pkgconfig_dir))
copy_file(cfg['botan_pkgconfig'],
prepend_destdir(os.path.join(pkgconfig_dir, os.path.basename(cfg['botan_pkgconfig']))))
if 'ffi' in cfg['mod_list'] and cfg['build_shared_lib'] is True and cfg['install_python_module'] is True:
for ver in cfg['python_version'].split(','):
py_lib_path = os.path.join(lib_dir, 'python%s' % (ver), 'site-packages')
logging.debug('Installing python module to %s' % (py_lib_path))
makedirs(prepend_destdir(py_lib_path))
py_dir = cfg['python_dir']
copy_file(os.path.join(py_dir, 'botan2.py'),
prepend_destdir(os.path.join(py_lib_path, 'botan2.py')))
if cfg['with_documentation']:
target_doc_dir = os.path.join(options.prefix, options.docdir,
'botan-%d.%d.%d' % (ver_major, ver_minor, ver_patch))
shutil.rmtree(prepend_destdir(target_doc_dir), True)
shutil.copytree(cfg['doc_output_dir'], prepend_destdir(target_doc_dir))
copy_file(os.path.join(cfg['base_dir'], 'license.txt'),
prepend_destdir(os.path.join(target_doc_dir, 'license.txt')))
copy_file(os.path.join(cfg['base_dir'], 'news.rst'),
prepend_destdir(os.path.join(target_doc_dir, 'news.txt')))
for f in [f for f in os.listdir(cfg['doc_dir']) if f.endswith('.txt')]:
copy_file(os.path.join(cfg['doc_dir'], f), prepend_destdir(os.path.join(target_doc_dir, f)))
if cfg['with_rst2man']:
man1_dir = prepend_destdir(os.path.join(options.prefix, os.path.join(cfg['mandir'], 'man1')))
makedirs(man1_dir)
copy_file(os.path.join(cfg['build_dir'], 'botan.1'),
os.path.join(man1_dir, 'botan.1'))
logging.info('Botan %s installation complete', cfg['version'])
return 0
if __name__ == '__main__':
try:
sys.exit(main(sys.argv))
except Exception as e: # pylint: disable=broad-except
logging.error('Failure: %s' % (e))
logging.info(traceback.format_exc())
sys.exit(1)
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