The Tor Browser: security/nss/lib/ssl/sslerr.c@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*

     2  * Function to set error code only when meaningful error has not already

     3  * been set.

     4  *

     5  * This Source Code Form is subject to the terms of the Mozilla Public

     6  * License, v. 2.0. If a copy of the MPL was not distributed with this

     7  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     9 #include "prerror.h"

    10 #include "secerr.h"

    11 #include "sslerr.h"

    12 #include "seccomon.h"

    14 /* look at the current value of PR_GetError, and evaluate it to see

    15  * if it is meaningful or meaningless (out of context).

    16  * If it is meaningless, replace it with the hiLevelError.

    17  * Returns the chosen error value.

    18  */

    19 int

    20 ssl_MapLowLevelError(int hiLevelError)

    21 {

    22     int oldErr	= PORT_GetError();

    24     switch (oldErr) {

    26     case 0:

    27     case PR_IO_ERROR:

    28     case SEC_ERROR_IO:

    29     case SEC_ERROR_BAD_DATA:

    30     case SEC_ERROR_LIBRARY_FAILURE:

    31     case SEC_ERROR_EXTENSION_NOT_FOUND:

    32     case SSL_ERROR_BAD_CLIENT:

    33     case SSL_ERROR_BAD_SERVER:

    34     case SSL_ERROR_SESSION_NOT_FOUND:

    35     	PORT_SetError(hiLevelError);

    36 	return hiLevelError;

    38     default:	/* leave the majority of error codes alone. */

    39 	return oldErr;

    40     }

    41 }

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