diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py | 91 |
1 files changed, 22 insertions, 69 deletions
diff --git a/src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py b/src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py index c7b62f352..862726788 100644 --- a/src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py +++ b/src/lib/Bcfg2/Server/Plugins/Cfg/CfgPrivateKeyCreator.py @@ -3,12 +3,13 @@ import os import shutil import tempfile -import subprocess -from Bcfg2.Server.Plugin import PluginExecutionError, StructFile -from Bcfg2.Server.Plugins.Cfg import CfgCreator, CfgCreationError, SETUP +from Bcfg2.Utils import Executor +from Bcfg2.Options import get_option_parser +from Bcfg2.Server.Plugin import StructFile +from Bcfg2.Server.Plugins.Cfg import CfgCreator, CfgCreationError from Bcfg2.Server.Plugins.Cfg.CfgPublicKeyCreator import CfgPublicKeyCreator try: - import Bcfg2.Encryption + import Bcfg2.Server.Encryption HAS_CRYPTO = True except ImportError: HAS_CRYPTO = False @@ -31,25 +32,27 @@ class CfgPrivateKeyCreator(CfgCreator, StructFile): pubkey_path = os.path.dirname(self.name) + ".pub" pubkey_name = os.path.join(pubkey_path, os.path.basename(pubkey_path)) self.pubkey_creator = CfgPublicKeyCreator(pubkey_name) + self.setup = get_option_parser() + self.cmd = Executor() __init__.__doc__ = CfgCreator.__init__.__doc__ @property def category(self): """ The name of the metadata category that generated keys are specific to """ - if (SETUP.cfp.has_section("sshkeys") and - SETUP.cfp.has_option("sshkeys", "category")): - return SETUP.cfp.get("sshkeys", "category") + if (self.setup.cfp.has_section("sshkeys") and + self.setup.cfp.has_option("sshkeys", "category")): + return self.setup.cfp.get("sshkeys", "category") return None @property def passphrase(self): """ The passphrase used to encrypt private keys """ if (HAS_CRYPTO and - SETUP.cfp.has_section("sshkeys") and - SETUP.cfp.has_option("sshkeys", "passphrase")): - return Bcfg2.Encryption.get_passphrases(SETUP)[ - SETUP.cfp.get("sshkeys", "passphrase")] + self.setup.cfp.has_section("sshkeys") and + self.setup.cfp.has_option("sshkeys", "passphrase")): + return Bcfg2.Server.Encryption.get_passphrases()[ + self.setup.cfp.get("sshkeys", "passphrase")] return None def handle_event(self, event): @@ -102,18 +105,17 @@ class CfgPrivateKeyCreator(CfgCreator, StructFile): log_cmd.append("''") self.debug_log("Cfg: Generating new SSH key pair: %s" % " ".join(log_cmd)) - proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, - stderr=subprocess.PIPE) - err = proc.communicate()[1] - if proc.wait(): + result = self.cmd.run(cmd) + if not result.success: raise CfgCreationError("Cfg: Failed to generate SSH key pair " "at %s for %s: %s" % - (filename, metadata.hostname, err)) - elif err: + (filename, metadata.hostname, + result.error)) + elif result.stderr: self.logger.warning("Cfg: Generated SSH key pair at %s for %s " "with errors: %s" % (filename, metadata.hostname, - err)) + result.stderr)) return filename except: shutil.rmtree(tempdir) @@ -194,10 +196,8 @@ class CfgPrivateKeyCreator(CfgCreator, StructFile): privkey = open(filename).read() if HAS_CRYPTO and self.passphrase: self.debug_log("Cfg: Encrypting key data at %s" % filename) - privkey = Bcfg2.Encryption.ssl_encrypt( - privkey, - self.passphrase, - algorithm=Bcfg2.Encryption.get_algorithm(SETUP)) + privkey = Bcfg2.Server.Encryption.ssl_encrypt(privkey, + self.passphrase) specificity['ext'] = '.crypt' self.write_data(privkey, **specificity) @@ -209,50 +209,3 @@ class CfgPrivateKeyCreator(CfgCreator, StructFile): finally: shutil.rmtree(os.path.dirname(filename)) # pylint: enable=W0221 - - def Index(self): - StructFile.Index(self) - if HAS_CRYPTO: - strict = self.xdata.get( - "decrypt", - SETUP.cfp.get(Bcfg2.Encryption.CFG_SECTION, "decrypt", - default="strict")) == "strict" - for el in self.xdata.xpath("//*[@encrypted]"): - try: - el.text = self._decrypt(el).encode('ascii', - 'xmlcharrefreplace') - except UnicodeDecodeError: - self.logger.info("Cfg: Decrypted %s to gibberish, skipping" - % el.tag) - except Bcfg2.Encryption.EVPError: - msg = "Cfg: Failed to decrypt %s element in %s" % \ - (el.tag, self.name) - if strict: - raise PluginExecutionError(msg) - else: - self.logger.warning(msg) - Index.__doc__ = StructFile.Index.__doc__ - - def _decrypt(self, element): - """ Decrypt a single encrypted element """ - if not element.text or not element.text.strip(): - return - passes = Bcfg2.Encryption.get_passphrases(SETUP) - try: - passphrase = passes[element.get("encrypted")] - try: - return Bcfg2.Encryption.ssl_decrypt( - element.text, - passphrase, - algorithm=Bcfg2.Encryption.get_algorithm(SETUP)) - except Bcfg2.Encryption.EVPError: - # error is raised below - pass - except KeyError: - # bruteforce_decrypt raises an EVPError with a sensible - # error message, so we just let it propagate up the stack - return Bcfg2.Encryption.bruteforce_decrypt( - element.text, - passphrases=passes.values(), - algorithm=Bcfg2.Encryption.get_algorithm(SETUP)) - raise Bcfg2.Encryption.EVPError("Failed to decrypt") |