LCOV - code coverage report
Current view: top level - builds/gnutls/coverage/gnutls-git/libdane - errors.c (source / functions) Hit Total Coverage
Test: GnuTLS-3.6.9 Code Coverage Lines: 7 8 87.5 %
Date: 2019-09-15 03:11:24 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 4 6 66.7 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (C) 2012 Free Software Foundation
       3                 :            :  *
       4                 :            :  * Author: Nikos Mavrogiannopoulos
       5                 :            :  *
       6                 :            :  * This file is part of libdane.
       7                 :            :  *
       8                 :            :  * libdane is free software; you can redistribute it and/or
       9                 :            :  * modify it under the terms of the GNU Lesser General Public License
      10                 :            :  * as published by the Free Software Foundation; either version 2.1 of
      11                 :            :  * the License, or (at your option) any later version.
      12                 :            :  *
      13                 :            :  * This library is distributed in the hope that it will be useful, but
      14                 :            :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      15                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16                 :            :  * Lesser General Public License for more details.
      17                 :            :  *
      18                 :            :  * You should have received a copy of the GNU Lesser General Public License
      19                 :            :  * along with this program.  If not, see <https://www.gnu.org/licenses/>
      20                 :            :  *
      21                 :            :  */
      22                 :            : 
      23                 :            : #include <config.h>
      24                 :            : #include <gnutls/dane.h>
      25                 :            : 
      26                 :            : /* I18n of error codes. */
      27                 :            : #include "gettext.h"
      28                 :            : #define _(String) dgettext (PACKAGE, String)
      29                 :            : #define N_(String) gettext_noop (String)
      30                 :            : 
      31                 :            : #define ERROR_ENTRY(desc, name) \
      32                 :            :         { desc, #name, name}
      33                 :            : 
      34                 :            : struct error_entry {
      35                 :            :         const char *desc;
      36                 :            :         const char *_name;
      37                 :            :         int number;
      38                 :            : };
      39                 :            : typedef struct error_entry error_entry;
      40                 :            : 
      41                 :            : static const error_entry error_algorithms[] = {
      42                 :            :         ERROR_ENTRY(N_("Success."), DANE_E_SUCCESS),
      43                 :            :         ERROR_ENTRY(N_("There was error initializing the DNS query."),
      44                 :            :                     DANE_E_INITIALIZATION_ERROR),
      45                 :            :         ERROR_ENTRY(N_("There was an error while resolving."),
      46                 :            :                     DANE_E_RESOLVING_ERROR),
      47                 :            :         ERROR_ENTRY(N_("No DANE data were found."),
      48                 :            :                     DANE_E_NO_DANE_DATA),
      49                 :            :         ERROR_ENTRY(N_("Unknown DANE data were found."),
      50                 :            :                     DANE_E_UNKNOWN_DANE_DATA),
      51                 :            :         ERROR_ENTRY(N_("No DNSSEC signature was found."),
      52                 :            :                     DANE_E_NO_DNSSEC_SIG),
      53                 :            :         ERROR_ENTRY(N_("Received corrupt data."),
      54                 :            :                     DANE_E_RECEIVED_CORRUPT_DATA),
      55                 :            :         ERROR_ENTRY(N_("The DNSSEC signature is invalid."),
      56                 :            :                     DANE_E_INVALID_DNSSEC_SIG),
      57                 :            :         ERROR_ENTRY(N_("There was a memory error."),
      58                 :            :                     DANE_E_MEMORY_ERROR),
      59                 :            :         ERROR_ENTRY(N_("The requested data are not available."),
      60                 :            :                     DANE_E_REQUESTED_DATA_NOT_AVAILABLE),
      61                 :            :         ERROR_ENTRY(N_("The request is invalid."),
      62                 :            :                     DANE_E_INVALID_REQUEST),
      63                 :            :         ERROR_ENTRY(N_("There was an error in the certificate."),
      64                 :            :                     DANE_E_CERT_ERROR),
      65                 :            :         ERROR_ENTRY(N_("There was an error in the public key."),
      66                 :            :                     DANE_E_PUBKEY_ERROR),
      67                 :            :         ERROR_ENTRY(N_("No certificate was found."),
      68                 :            :                     DANE_E_NO_CERT),
      69                 :            :         ERROR_ENTRY(N_("Error in file."),
      70                 :            :                     DANE_E_FILE_ERROR),
      71                 :            :         {NULL, NULL, 0}
      72                 :            : };
      73                 :            : 
      74                 :            : /**
      75                 :            :  * dane_strerror:
      76                 :            :  * @error: is a DANE error code, a negative error code
      77                 :            :  *
      78                 :            :  * This function is similar to strerror.  The difference is that it
      79                 :            :  * accepts an error number returned by a gnutls function; In case of
      80                 :            :  * an unknown error a descriptive string is sent instead of %NULL.
      81                 :            :  *
      82                 :            :  * Error codes are always a negative error code.
      83                 :            :  *
      84                 :            :  * Returns: A string explaining the DANE error message.
      85                 :            :  **/
      86                 :         15 : const char *dane_strerror(int error)
      87                 :            : {
      88                 :         15 :         const char *ret = NULL;
      89                 :         15 :         const error_entry *p;
      90                 :            : 
      91         [ +  - ]:        120 :         for (p = error_algorithms; p->desc != NULL; p++) {
      92         [ +  + ]:        120 :                 if (p->number == error) {
      93                 :            :                         ret = p->desc;
      94                 :            :                         break;
      95                 :            :                 }
      96                 :            :         }
      97                 :            : 
      98                 :            :         /* avoid prefix */
      99         [ -  + ]:         15 :         if (ret == NULL)
     100                 :          0 :                 return _("(unknown error code)");
     101                 :            : 
     102                 :         15 :         return _(ret);
     103                 :            : }

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