| """ |
| When using this tool, the wscript should look like: |
| |
| def options(opt): |
| opt.load('openssl') |
| |
| def configure(conf): |
| conf.load('compiler_cxx openssl') |
| conf.check_openssl() |
| |
| def build(bld): |
| bld(source='main.cpp', target='app', use='OPENSSL') |
| """ |
| |
| import re |
| from waflib import Utils |
| from waflib.Configure import conf |
| |
| OPENSSL_DIR = ['/usr', '/usr/local', '/opt/local', '/sw'] |
| OPENSSL_DIR_MACOS = ['/usr/local', |
| '/opt/homebrew/opt/openssl', # Homebrew on arm64 |
| '/usr/local/opt/openssl', # Homebrew on x86_64 |
| '/opt/local'] # MacPorts |
| |
| def options(opt): |
| opt.add_option('--with-openssl', type='string', default=None, dest='openssl_dir', |
| help='directory where OpenSSL is installed, e.g., /usr/local') |
| |
| @conf |
| def __openssl_get_version_file(self, dir): |
| try: |
| return self.root.find_dir(dir).find_node('include/openssl/opensslv.h') |
| except: |
| return None |
| |
| @conf |
| def __openssl_find_root_and_version_file(self, root): |
| if root: |
| file = self.__openssl_get_version_file(root) |
| if not file: |
| self.fatal(f'OpenSSL not found in {root}') |
| return (root, file) |
| |
| openssl_dirs = OPENSSL_DIR |
| if Utils.unversioned_sys_platform() == 'darwin': |
| openssl_dirs = OPENSSL_DIR_MACOS |
| |
| for dir in openssl_dirs: |
| file = self.__openssl_get_version_file(dir) |
| if file: |
| return (dir, file) |
| |
| self.fatal('OpenSSL not found, please provide a --with-openssl=PATH argument (see --help)') |
| |
| @conf |
| def __openssl_check_version(self, version_file, atleast_version): |
| min_version = tuple(int(i) for i in atleast_version.split('.')) |
| txt = version_file.read() |
| |
| # OpenSSL 3.0.0 and later |
| ver_tuple = (re.search(r'^#\s*define\s+OPENSSL_VERSION_MAJOR\s+(\d+)', txt, re.MULTILINE), |
| re.search(r'^#\s*define\s+OPENSSL_VERSION_MINOR\s+(\d+)', txt, re.MULTILINE), |
| re.search(r'^#\s*define\s+OPENSSL_VERSION_PATCH\s+(\d+)', txt, re.MULTILINE)) |
| ver_string = re.search(r'^#\s*define\s+OPENSSL_FULL_VERSION_STR\s+"(.+)"', txt, re.MULTILINE) |
| if all(ver_tuple): |
| version = tuple(int(i[1]) for i in ver_tuple) |
| ver_string = ver_string[1] if ver_string else '.'.join(version) |
| return (version >= min_version, ver_string) |
| |
| # OpenSSL 1.1.1 and earlier |
| ver_number = re.search(r'^#\s*define\s+OPENSSL_VERSION_NUMBER\s+(.+)L', txt, re.MULTILINE) |
| ver_string = re.search(r'^#\s*define\s+OPENSSL_VERSION_TEXT\s+"(.+)"', txt, re.MULTILINE) |
| if ver_number and ver_string: |
| version = int(ver_number[1], 16) |
| min_version = (min_version[0] << 28) | (min_version[1] << 20) | (min_version[2] << 12) | 0xf |
| return (version >= min_version, ver_string[1]) |
| |
| self.fatal(f'Cannot extract version information from {version_file}') |
| |
| @conf |
| def check_openssl(self, *k, **kw): |
| self.start_msg('Checking for OpenSSL version') |
| |
| path = k and k[0] or kw.get('path', self.options.openssl_dir) |
| root, version_file = self.__openssl_find_root_and_version_file(path) |
| atleast_version = kw.get('atleast_version', 0) |
| ok, version_str = self.__openssl_check_version(version_file, atleast_version) |
| |
| self.end_msg(version_str) |
| if not ok: |
| self.fatal(f'The version of OpenSSL is too old; {atleast_version} or later is required.\n' |
| 'Please upgrade your distribution or manually install a newer version of OpenSSL.') |
| |
| if 'msg' not in kw: |
| kw['msg'] = 'Checking if OpenSSL library works' |
| if 'lib' not in kw: |
| kw['lib'] = ['ssl', 'crypto'] |
| if 'uselib_store' not in kw: |
| kw['uselib_store'] = 'OPENSSL' |
| if 'define_name' not in kw: |
| kw['define_name'] = f"HAVE_{kw['uselib_store']}" |
| kw['includes'] = f'{root}/include' |
| kw['libpath'] = f'{root}/lib' |
| |
| self.check_cxx(**kw) |