Index: third_party/tlslite/tlslite/Checker.py |
diff --git a/third_party/tlslite/tlslite/Checker.py b/third_party/tlslite/tlslite/Checker.py |
deleted file mode 100644 |
index f978697628eba9b0fd7b708b7b650a4e6c1ba9d9..0000000000000000000000000000000000000000 |
--- a/third_party/tlslite/tlslite/Checker.py |
+++ /dev/null |
@@ -1,146 +0,0 @@ |
-"""Class for post-handshake certificate checking.""" |
- |
-from utils.cryptomath import hashAndBase64 |
-from X509 import X509 |
-from X509CertChain import X509CertChain |
-from errors import * |
- |
- |
-class Checker: |
- """This class is passed to a handshake function to check the other |
- party's certificate chain. |
- |
- If a handshake function completes successfully, but the Checker |
- judges the other party's certificate chain to be missing or |
- inadequate, a subclass of |
- L{tlslite.errors.TLSAuthenticationError} will be raised. |
- |
- Currently, the Checker can check either an X.509 or a cryptoID |
- chain (for the latter, cryptoIDlib must be installed). |
- """ |
- |
- def __init__(self, cryptoID=None, protocol=None, |
- x509Fingerprint=None, |
- x509TrustList=None, x509CommonName=None, |
- checkResumedSession=False): |
- """Create a new Checker instance. |
- |
- You must pass in one of these argument combinations: |
- - cryptoID[, protocol] (requires cryptoIDlib) |
- - x509Fingerprint |
- - x509TrustList[, x509CommonName] (requires cryptlib_py) |
- |
- @type cryptoID: str |
- @param cryptoID: A cryptoID which the other party's certificate |
- chain must match. The cryptoIDlib module must be installed. |
- Mutually exclusive with all of the 'x509...' arguments. |
- |
- @type protocol: str |
- @param protocol: A cryptoID protocol URI which the other |
- party's certificate chain must match. Requires the 'cryptoID' |
- argument. |
- |
- @type x509Fingerprint: str |
- @param x509Fingerprint: A hex-encoded X.509 end-entity |
- fingerprint which the other party's end-entity certificate must |
- match. Mutually exclusive with the 'cryptoID' and |
- 'x509TrustList' arguments. |
- |
- @type x509TrustList: list of L{tlslite.X509.X509} |
- @param x509TrustList: A list of trusted root certificates. The |
- other party must present a certificate chain which extends to |
- one of these root certificates. The cryptlib_py module must be |
- installed. Mutually exclusive with the 'cryptoID' and |
- 'x509Fingerprint' arguments. |
- |
- @type x509CommonName: str |
- @param x509CommonName: The end-entity certificate's 'CN' field |
- must match this value. For a web server, this is typically a |
- server name such as 'www.amazon.com'. Mutually exclusive with |
- the 'cryptoID' and 'x509Fingerprint' arguments. Requires the |
- 'x509TrustList' argument. |
- |
- @type checkResumedSession: bool |
- @param checkResumedSession: If resumed sessions should be |
- checked. This defaults to False, on the theory that if the |
- session was checked once, we don't need to bother |
- re-checking it. |
- """ |
- |
- if cryptoID and (x509Fingerprint or x509TrustList): |
- raise ValueError() |
- if x509Fingerprint and x509TrustList: |
- raise ValueError() |
- if x509CommonName and not x509TrustList: |
- raise ValueError() |
- if protocol and not cryptoID: |
- raise ValueError() |
- if cryptoID: |
- import cryptoIDlib #So we raise an error here |
- if x509TrustList: |
- import cryptlib_py #So we raise an error here |
- self.cryptoID = cryptoID |
- self.protocol = protocol |
- self.x509Fingerprint = x509Fingerprint |
- self.x509TrustList = x509TrustList |
- self.x509CommonName = x509CommonName |
- self.checkResumedSession = checkResumedSession |
- |
- def __call__(self, connection): |
- """Check a TLSConnection. |
- |
- When a Checker is passed to a handshake function, this will |
- be called at the end of the function. |
- |
- @type connection: L{tlslite.TLSConnection.TLSConnection} |
- @param connection: The TLSConnection to examine. |
- |
- @raise tlslite.errors.TLSAuthenticationError: If the other |
- party's certificate chain is missing or bad. |
- """ |
- if not self.checkResumedSession and connection.resumed: |
- return |
- |
- if self.cryptoID or self.x509Fingerprint or self.x509TrustList: |
- if connection._client: |
- chain = connection.session.serverCertChain |
- else: |
- chain = connection.session.clientCertChain |
- |
- if self.x509Fingerprint or self.x509TrustList: |
- if isinstance(chain, X509CertChain): |
- if self.x509Fingerprint: |
- if chain.getFingerprint() != self.x509Fingerprint: |
- raise TLSFingerprintError(\ |
- "X.509 fingerprint mismatch: %s, %s" % \ |
- (chain.getFingerprint(), self.x509Fingerprint)) |
- else: #self.x509TrustList |
- if not chain.validate(self.x509TrustList): |
- raise TLSValidationError("X.509 validation failure") |
- if self.x509CommonName and \ |
- (chain.getCommonName() != self.x509CommonName): |
- raise TLSAuthorizationError(\ |
- "X.509 Common Name mismatch: %s, %s" % \ |
- (chain.getCommonName(), self.x509CommonName)) |
- elif chain: |
- raise TLSAuthenticationTypeError() |
- else: |
- raise TLSNoAuthenticationError() |
- elif self.cryptoID: |
- import cryptoIDlib.CertChain |
- if isinstance(chain, cryptoIDlib.CertChain.CertChain): |
- if chain.cryptoID != self.cryptoID: |
- raise TLSFingerprintError(\ |
- "cryptoID mismatch: %s, %s" % \ |
- (chain.cryptoID, self.cryptoID)) |
- if self.protocol: |
- if not chain.checkProtocol(self.protocol): |
- raise TLSAuthorizationError(\ |
- "cryptoID protocol mismatch") |
- if not chain.validate(): |
- raise TLSValidationError("cryptoID validation failure") |
- elif chain: |
- raise TLSAuthenticationTypeError() |
- else: |
- raise TLSNoAuthenticationError() |
- |