OSX/libsecurity_cdsa_utilities/lib/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 #include <Security/SecBasePriv.h>
  33
  34 namespace Security {
  35
  36
  37 CssmError::CssmError(CSSM_RETURN err) : error(err)
  38 {
  39     SECURITY_EXCEPTION_THROW_CSSM(this, err);
  40
  41     snprintf(whatBuffer, whatBufferSize, "CSSM Exception: %d %s", err, cssmErrorString(err));
  42     secnotice("security_exception", "%s", what());
  43     LogBacktrace();
  44 }
  45
  46
  47 const char *CssmError::what() const throw ()
  48 {
  49     return whatBuffer;
  50 }
  51
  52
  53 OSStatus CssmError::osStatus() const
  54 {
  55         if (error == CSSM_ERRCODE_INVALID_POINTER)
  56         {
  57                 return errSecParam;
  58         }
  59
  60         return error;
  61 }
  62
  63
  64 int CssmError::unixError() const
  65 {
  66         OSStatus err = osStatus();
  67
  68         // embedded UNIX errno values are returned verbatim
  69         if (err >= errSecErrnoBase && err <= errSecErrnoLimit)
  70                 return err - errSecErrnoBase;
  71
  72         // re-map certain CSSM errors
  73     switch (err) {
  74         case CSSM_ERRCODE_MEMORY_ERROR:
  75                 return ENOMEM;
  76         case CSSMERR_APPLEDL_DISK_FULL:
  77                 return ENOSPC;
  78         case CSSMERR_APPLEDL_QUOTA_EXCEEDED:
  79                 return EDQUOT;
  80         case CSSMERR_APPLEDL_FILE_TOO_BIG:
  81                 return EFBIG;
  82         default:
  83                 // cannot map this to errno space
  84                 return -1;
  85     }
  86 }
  87
  88
  89 void CssmError::throwMe(CSSM_RETURN err)
  90 {
  91         throw CssmError(err);
  92 }
  93
  94
  95 CSSM_RETURN CssmError::merge(CSSM_RETURN error, CSSM_RETURN base)
  96 {
  97         if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
  98                 return base + error;
  99         } else {
 100                 return error;
 101         }
 102 }
 103
 104 //
 105 // Get a CSSM_RETURN from a CommonError
 106 //
 107 CSSM_RETURN CssmError::cssmError(const CommonError &error, CSSM_RETURN base)
 108 {
 109         if (const CssmError *cssm = dynamic_cast<const CssmError *>(&error)) {
 110                 return cssmError(cssm->error, base);
 111         } else if (const MachPlusPlus::Error *mach = dynamic_cast<const MachPlusPlus::Error *>(&error)) {
 112                 switch (mach->error) {
 113                 case BOOTSTRAP_UNKNOWN_SERVICE:
 114                 case MIG_SERVER_DIED:
 115                         return CSSM_ERRCODE_SERVICE_NOT_AVAILABLE;
 116                 default:
 117                         return CSSM_ERRCODE_INTERNAL_ERROR;
 118                 }
 119         } else {
 120                 return error.osStatus();
 121         }
 122 }
 123
 124 CSSM_RETURN CssmError::cssmError(CSSM_RETURN error, CSSM_RETURN base)
 125 {
 126     if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
 127         return base + error;
 128     } else {
 129         return error;
 130     }
 131 }
 132
 133
 134 }   // namespace Security