Add TLS-SRP (RFC 5054) support

net/third_party/nss/ssl/mpi/secmpi.h

+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "mpi.h"
+
+#define CHECK_SEC_OK(func) if (SECSuccess != (rv = func)) goto cleanup
+
+#define CHECK_MPI_OK(func) if (MP_OKAY > (err = func)) goto cleanup
+
+#define OCTETS_TO_MPINT(oc, mp, len) \
+    CHECK_MPI_OK(mp_read_unsigned_octets((mp), oc, len))
+
+#define SECITEM_TO_MPINT(it, mp) \
+    CHECK_MPI_OK(mp_read_unsigned_octets((mp), (it).data, (it).len))
+
+#define MPINT_TO_SECITEM(mp, it, arena)                         \
+    SECITEM_AllocItem(arena, (it), mp_unsigned_octet_size(mp)); \
+    if ((it)->data == NULL) {err = MP_MEM; goto cleanup;}       \
+    err = mp_to_unsigned_octets(mp, (it)->data, (it)->len);     \
+    if (err < 0) goto cleanup; else err = MP_OKAY;
+
+#define MP_TO_SEC_ERROR(err)                                          \
+    switch (err) {                                                    \
+    case MP_MEM:    PORT_SetError(SEC_ERROR_NO_MEMORY);       break;  \
+    case MP_RANGE:  PORT_SetError(SEC_ERROR_BAD_DATA);        break;  \
+    case MP_BADARG: PORT_SetError(SEC_ERROR_INVALID_ARGS);    break;  \
+    default:        PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); break;  \
+    }