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111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nspr.h"
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struct tuple_str {
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PRErrorCode errNum;
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const char * errString;
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};
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typedef struct tuple_str tuple_str;
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#define ER2(a,b) {a, b},
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#define ER3(a,b,c) {a, c},
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#include "secerr.h"
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#include "sslerr.h"
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const tuple_str errStrings[] = {
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/* keep this list in asceding order of error numbers */
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#include "SSLerrs.h"
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#include "SECerrs.h"
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#include "NSPRerrs.h"
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};
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const PRInt32 numStrings = sizeof(errStrings) / sizeof(tuple_str);
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/* Returns a UTF-8 encoded constant error string for "errNum".
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* Returns NULL of errNum is unknown.
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*/
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const char *
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SECU_Strerror(PRErrorCode errNum) {
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PRInt32 low = 0;
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PRInt32 high = numStrings - 1;
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PRInt32 i;
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PRErrorCode num;
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static int initDone;
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/* make sure table is in ascending order.
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* binary search depends on it.
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*/
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if (!initDone) {
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PRErrorCode lastNum = ((PRInt32)0x80000000);
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for (i = low; i <= high; ++i) {
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num = errStrings[i].errNum;
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if (num <= lastNum) {
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fprintf(stderr,
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"sequence error in error strings at item %d\n"
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"error %d (%s)\n"
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"should come after \n"
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"error %d (%s)\n",
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i, lastNum, errStrings[i-1].errString,
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num, errStrings[i].errString);
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}
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lastNum = num;
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}
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initDone = 1;
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}
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/* Do binary search of table. */
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while (low + 1 < high) {
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i = (low + high) / 2;
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num = errStrings[i].errNum;
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if (errNum == num)
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return errStrings[i].errString;
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if (errNum < num)
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high = i;
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else
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low = i;
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}
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if (errNum == errStrings[low].errNum)
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return errStrings[low].errString;
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if (errNum == errStrings[high].errNum)
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return errStrings[high].errString;
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return NULL;
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}
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