OSX/include/security_cdsa_utilities/cssmerrors.cpp

   1 /*
   2  * Copyright (c) 2000-2004,2006,2011,2013-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // cssmerrors
  27 //
  28 #include <security_cdsa_utilities/cssmerrors.h>
  29 #include <security_utilities/mach++.h>
  30 #include <Security/cssmapple.h>
  31 #include <Security/SecBase.h>
  32
  33 namespace Security {
  34
  35
  36 CssmError::CssmError(CSSM_RETURN err) : error(err)
  37 {
  38     SECURITY_EXCEPTION_THROW_CSSM(this, err);
  39 }
  40
  41
  42 const char *CssmError::what() const throw ()
  43 {
  44         return "CSSM exception";
  45 }
  46
  47
  48 OSStatus CssmError::osStatus() const
  49 {
  50         if (error == CSSM_ERRCODE_INVALID_POINTER)
  51         {
  52                 return errSecParam;
  53         }
  54
  55         return error;
  56 }
  57
  58
  59 int CssmError::unixError() const
  60 {
  61         OSStatus err = osStatus();
  62
  63         // embedded UNIX errno values are returned verbatim
  64         if (err >= errSecErrnoBase && err <= errSecErrnoLimit)
  65                 return err - errSecErrnoBase;
  66
  67         // re-map certain CSSM errors
  68     switch (err) {
  69         case CSSM_ERRCODE_MEMORY_ERROR:
  70                 return ENOMEM;
  71         case CSSMERR_APPLEDL_DISK_FULL:
  72                 return ENOSPC;
  73         case CSSMERR_APPLEDL_QUOTA_EXCEEDED:
  74                 return EDQUOT;
  75         case CSSMERR_APPLEDL_FILE_TOO_BIG:
  76                 return EFBIG;
  77         default:
  78                 // cannot map this to errno space
  79                 return -1;
  80     }
  81 }
  82
  83
  84 void CssmError::throwMe(CSSM_RETURN err)
  85 {
  86         throw CssmError(err);
  87 }
  88
  89
  90 CSSM_RETURN CssmError::merge(CSSM_RETURN error, CSSM_RETURN base)
  91 {
  92         if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
  93                 return base + error;
  94         } else {
  95                 return error;
  96         }
  97 }
  98
  99 //
 100 // Get a CSSM_RETURN from a CommonError
 101 //
 102 CSSM_RETURN CssmError::cssmError(const CommonError &error, CSSM_RETURN base)
 103 {
 104         if (const CssmError *cssm = dynamic_cast<const CssmError *>(&error)) {
 105                 return cssmError(cssm->error, base);
 106         } else if (const MachPlusPlus::Error *mach = dynamic_cast<const MachPlusPlus::Error *>(&error)) {
 107                 switch (mach->error) {
 108                 case BOOTSTRAP_UNKNOWN_SERVICE:
 109                 case MIG_SERVER_DIED:
 110                         return CSSM_ERRCODE_SERVICE_NOT_AVAILABLE;
 111                 default:
 112                         return CSSM_ERRCODE_INTERNAL_ERROR;
 113                 }
 114         } else {
 115                 return error.osStatus();
 116         }
 117 }
 118
 119 CSSM_RETURN CssmError::cssmError(CSSM_RETURN error, CSSM_RETURN base)
 120 {
 121     if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
 122         return base + error;
 123     } else {
 124         return error;
 125     }
 126 }
 127
 128
 129 }   // namespace Security