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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+[scriptable, uuid(12f60021-e14b-4020-99d1-ed2c795be66a)]
+interface nsINSSErrorsService : nsISupports
+{
+ /**
+ * @param aNSPRCode An error code obtained using PR_GetError()
+ * @return True if it is error code defined by the NSS library
+ */
+ boolean isNSSErrorCode(in int32_t aNSPRCode);
+
+ /**
+ * Function will fail if aNSPRCode is not an NSS error code.
+ * @param aNSPRCode An error code obtained using PR_GetError()
+ * @return The result of the conversion, an XPCOM error code
+ */
+ nsresult getXPCOMFromNSSError(in int32_t aNSPRCode);
+
+ /**
+ * Function will fail if aXPCOMErrorCode is not an NSS error code.
+ * @param aXPCOMErrorCode An error code obtained using getXPCOMFromNSSError
+ * return A localized human readable error explanation.
+ */
+ AString getErrorMessage(in nsresult aXPCOMErrorCode);
+
+ /**
+ * Function will fail if aXPCOMErrorCode is not an NSS error code.
+ * @param aXPCOMErrorCode An error code obtained using getXPCOMFromNSSError
+ * return the error class of the code, either ERROR_CLASS_BAD_CERT
+ * or ERROR_CLASS_SSL_PROTOCOL
+ */
+ uint32_t getErrorClass(in nsresult aXPCOMErrorCode);
+
+ const unsigned long ERROR_CLASS_SSL_PROTOCOL = 1;
+ const unsigned long ERROR_CLASS_BAD_CERT = 2;
+
+ /**
+ * The following values define the range of NSPR error codes used by NSS.
+ * NSS remains the authorative source for these numbers, as a result,
+ * the values might change in the future.
+ * The security module will perform a runtime check and assertion
+ * to ensure the values are in synch with NSS.
+ */
+ const long NSS_SEC_ERROR_BASE = -(0x2000);
+ const long NSS_SEC_ERROR_LIMIT = (NSS_SEC_ERROR_BASE + 1000);
+ const long NSS_SSL_ERROR_BASE = -(0x3000);
+ const long NSS_SSL_ERROR_LIMIT = (NSS_SSL_ERROR_BASE + 1000);
+
+ /**
+ * The error codes within each module must fit in 16 bits. We want these
+ * errors to fit in the same module as the NSS errors but not overlap with
+ * any of them. Converting an NSS SEC, NSS SSL, or mozilla::pkix error to
+ * an NS error involves negating the value of the error and then
+ * synthesizing an error in the NS_ERROR_MODULE_SECURITY module. Hence,
+ * mozilla::pkix errors will start at a negative value that both doesn't
+ * overlap with the current value ranges for NSS errors and that will fit
+ * in 16 bits when negated.
+ *
+ * Keep these in sync with pkixnss.h.
+ */
+ const long MOZILLA_PKIX_ERROR_BASE = -(0x4000);
+ const long MOZILLA_PKIX_ERROR_LIMIT = (MOZILLA_PKIX_ERROR_BASE + 1000);
+};