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-rw-r--r--gnutls-1.1.9/build/lib.linux-x86_64-2.5/gnutls/library/errors.py78
1 files changed, 78 insertions, 0 deletions
diff --git a/gnutls-1.1.9/build/lib.linux-x86_64-2.5/gnutls/library/errors.py b/gnutls-1.1.9/build/lib.linux-x86_64-2.5/gnutls/library/errors.py
new file mode 100644
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--- /dev/null
+++ b/gnutls-1.1.9/build/lib.linux-x86_64-2.5/gnutls/library/errors.py
@@ -0,0 +1,78 @@
+# Copyright (C) 2007 AG Projects. See LICENSE for details.
+#
+
+"""GNUTLS library errors"""
+
+from gnutls.errors import *
+from gnutls.errors import __all__
+
+from gnutls.library.constants import GNUTLS_E_AGAIN, GNUTLS_E_INTERRUPTED, GNUTLS_E_NO_CERTIFICATE_FOUND
+from gnutls.library.constants import GNUTLS_E_MEMORY_ERROR, GNUTLS_E_SHORT_MEMORY_BUFFER
+from gnutls.library.constants import GNUTLS_E_FATAL_ALERT_RECEIVED, GNUTLS_A_BAD_CERTIFICATE
+from gnutls.library.constants import GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE
+from gnutls.library.constants import GNUTLS_A_UNKNOWN_CA, GNUTLS_A_INSUFFICIENT_SECURITY
+from gnutls.library.constants import GNUTLS_A_CERTIFICATE_EXPIRED, GNUTLS_A_CERTIFICATE_REVOKED
+from gnutls.library.functions import gnutls_strerror, gnutls_alert_get
+
+class ErrorMessage(str):
+ def __new__(cls, code):
+ obj = str.__new__(cls, gnutls_strerror(code))
+ obj.code = code
+ return obj
+
+# Check functions which return an integer status code (negative codes being errors)
+#
+def _check_status(retcode, function, args):
+ if retcode >= 0:
+ return retcode
+ elif retcode == -1:
+ from gnutls.library import functions
+ if function in (functions.gnutls_certificate_activation_time_peers,
+ functions.gnutls_x509_crt_get_activation_time,
+ functions.gnutls_openpgp_key_get_creation_time):
+ raise GNUTLSError("cannot retrieve activation time")
+ elif function in (functions.gnutls_certificate_expiration_time_peers,
+ functions.gnutls_x509_crt_get_expiration_time,
+ functions.gnutls_openpgp_key_get_expiration_time):
+ raise GNUTLSError("cannot retrieve expiration time")
+ elif function in (functions.gnutls_x509_crl_get_this_update,
+ functions.gnutls_x509_crl_get_next_update):
+ raise GNUTLSError("cannot retrieve CRL update time")
+ else:
+ raise GNUTLSError(ErrorMessage(retcode))
+ elif retcode == GNUTLS_E_AGAIN:
+ raise OperationWouldBlock(gnutls_strerror(retcode))
+ elif retcode == GNUTLS_E_INTERRUPTED:
+ raise OperationInterrupted(gnutls_strerror(retcode))
+ elif retcode in (GNUTLS_E_MEMORY_ERROR, GNUTLS_E_SHORT_MEMORY_BUFFER):
+ raise MemoryError(ErrorMessage(retcode))
+ elif retcode == GNUTLS_E_NO_CERTIFICATE_FOUND:
+ raise CertificateSecurityError(gnutls_strerror(retcode))
+ elif retcode == GNUTLS_E_FATAL_ALERT_RECEIVED:
+ alertdict = {
+ GNUTLS_A_BAD_CERTIFICATE: (CertificateError, "peer rejected our certificate as invalid"),
+ GNUTLS_A_UNKNOWN_CA: (CertificateAuthorityError, "peer does not trust our certificate authority"),
+ GNUTLS_A_INSUFFICIENT_SECURITY: (CertificateSecurityError, "peer rejected us on insufficient security"),
+ GNUTLS_A_CERTIFICATE_EXPIRED: (CertificateExpiredError, "peer rejected our certificate as expired"),
+ GNUTLS_A_CERTIFICATE_REVOKED: (CertificateRevokedError, "peer rejected our certificate as revoked")}
+ alert = gnutls_alert_get(args[0])
+ exception, reason = alertdict.get(alert, (GNUTLSError, ErrorMessage(retcode)))
+ raise exception(reason)
+ elif retcode == GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE:
+ raise RequestedDataNotAvailable(gnutls_strerror(retcode))
+ else:
+ raise GNUTLSError(ErrorMessage(retcode))
+
+# Attach the error checking function to all functions returning integers
+#
+from gnutls.library import functions
+from ctypes import c_int, c_long
+
+for func in functions.__dict__.values():
+ if not hasattr(func, 'errcheck'):
+ continue ## not a function
+ if func.restype in (c_int, c_long):
+ func.errcheck = _check_status
+
+del c_int, c_long, func, functions
+