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     switch(err) {
  43         case CSSMERR_CL_UNKNOWN_TAG:
  44 #ifndef NDEBUG
  45             secinfo("security_exception", "%s", what());
  46             LogBacktrace();
  47 #endif
  48             break;
  49         default:
  50             secnotice("security_exception", "%s", what());
  51             LogBacktrace();
  52             break;
  53     }
  54 }
  55
  56
  57 const char *CssmError::what() const throw ()
  58 {
  59     return whatBuffer;
  60 }
  61
  62
  63 OSStatus CssmError::osStatus() const
  64 {
  65         if (error == CSSM_ERRCODE_INVALID_POINTER)
  66         {
  67                 return errSecParam;
  68         }
  69
  70         return error;
  71 }
  72
  73
  74 int CssmError::unixError() const
  75 {
  76         OSStatus err = osStatus();
  77
  78         // embedded UNIX errno values are returned verbatim
  79         if (err >= errSecErrnoBase && err <= errSecErrnoLimit)
  80                 return err - errSecErrnoBase;
  81
  82         // re-map certain CSSM errors
  83     switch (err) {
  84         case CSSM_ERRCODE_MEMORY_ERROR:
  85                 return ENOMEM;
  86         case CSSMERR_APPLEDL_DISK_FULL:
  87                 return ENOSPC;
  88         case CSSMERR_APPLEDL_QUOTA_EXCEEDED:
  89                 return EDQUOT;
  90         case CSSMERR_APPLEDL_FILE_TOO_BIG:
  91                 return EFBIG;
  92         default:
  93                 // cannot map this to errno space
  94                 return -1;
  95     }
  96 }
  97
  98
  99 void CssmError::throwMe(CSSM_RETURN err)
 100 {
 101         throw CssmError(err);
 102 }
 103
 104
 105 CSSM_RETURN CssmError::merge(CSSM_RETURN error, CSSM_RETURN base)
 106 {
 107         if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
 108                 return base + error;
 109         } else {
 110                 return error;
 111         }
 112 }
 113
 114 //
 115 // Get a CSSM_RETURN from a CommonError
 116 //
 117 CSSM_RETURN CssmError::cssmError(const CommonError &error, CSSM_RETURN base)
 118 {
 119         if (const CssmError *cssm = dynamic_cast<const CssmError *>(&error)) {
 120                 return cssmError(cssm->error, base);
 121         } else if (const MachPlusPlus::Error *mach = dynamic_cast<const MachPlusPlus::Error *>(&error)) {
 122                 switch (mach->error) {
 123                 case BOOTSTRAP_UNKNOWN_SERVICE:
 124                 case MIG_SERVER_DIED:
 125                         return CSSM_ERRCODE_SERVICE_NOT_AVAILABLE;
 126                 default:
 127                         return CSSM_ERRCODE_INTERNAL_ERROR;
 128                 }
 129         } else {
 130                 return error.osStatus();
 131         }
 132 }
 133
 134 CSSM_RETURN CssmError::cssmError(CSSM_RETURN error, CSSM_RETURN base)
 135 {
 136     if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
 137         return base + error;
 138     } else {
 139         return error;
 140     }
 141 }
 142
 143
 144 }   // namespace Security