include/linux/sunrpc/gss_err.h

   1 /*
   2  *  linux/include/sunrpc/gss_err.h
   3  *
   4  *  Adapted from MIT Kerberos 5-1.2.1 include/gssapi/gssapi.h
   5  *
   6  *  Copyright (c) 2002 The Regents of the University of Michigan.
   7  *  All rights reserved.
   8  *
   9  *  Andy Adamson   <andros@umich.edu>
  10  */
  11
  12 /*
  13  * Copyright 1993 by OpenVision Technologies, Inc.
  14  *
  15  * Permission to use, copy, modify, distribute, and sell this software
  16  * and its documentation for any purpose is hereby granted without fee,
  17  * provided that the above copyright notice appears in all copies and
  18  * that both that copyright notice and this permission notice appear in
  19  * supporting documentation, and that the name of OpenVision not be used
  20  * in advertising or publicity pertaining to distribution of the software
  21  * without specific, written prior permission. OpenVision makes no
  22  * representations about the suitability of this software for any
  23  * purpose.  It is provided "as is" without express or implied warranty.
  24  *
  25  * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  26  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  27  * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  28  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
  29  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
  30  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  31  * PERFORMANCE OF THIS SOFTWARE.
  32  */
  33
  34 #ifndef _LINUX_SUNRPC_GSS_ERR_H
  35 #define _LINUX_SUNRPC_GSS_ERR_H
  36
  37 #ifdef __KERNEL__
  38
  39 typedef unsigned int OM_uint32;
  40
  41 /*
  42  * Flag bits for context-level services.
  43  */
  44 #define GSS_C_DELEG_FLAG 1
  45 #define GSS_C_MUTUAL_FLAG 2
  46 #define GSS_C_REPLAY_FLAG 4
  47 #define GSS_C_SEQUENCE_FLAG 8
  48 #define GSS_C_CONF_FLAG 16
  49 #define GSS_C_INTEG_FLAG 32
  50 #define GSS_C_ANON_FLAG 64
  51 #define GSS_C_PROT_READY_FLAG 128
  52 #define GSS_C_TRANS_FLAG 256
  53
  54 /*
  55  * Credential usage options
  56  */
  57 #define GSS_C_BOTH 0
  58 #define GSS_C_INITIATE 1
  59 #define GSS_C_ACCEPT 2
  60
  61 /*
  62  * Status code types for gss_display_status
  63  */
  64 #define GSS_C_GSS_CODE 1
  65 #define GSS_C_MECH_CODE 2
  66
  67
  68 /*
  69  * Define the default Quality of Protection for per-message services.  Note
  70  * that an implementation that offers multiple levels of QOP may either reserve
  71  * a value (for example zero, as assumed here) to mean "default protection", or
  72  * alternatively may simply equate GSS_C_QOP_DEFAULT to a specific explicit
  73  * QOP value.  However a value of 0 should always be interpreted by a GSSAPI
  74  * implementation as a request for the default protection level.
  75  */
  76 #define GSS_C_QOP_DEFAULT 0
  77
  78 /*
  79  * Expiration time of 2^32-1 seconds means infinite lifetime for a
  80  * credential or security context
  81  */
  82 #define GSS_C_INDEFINITE ((OM_uint32) 0xfffffffful)
  83
  84
  85 /* Major status codes */
  86
  87 #define GSS_S_COMPLETE 0
  88
  89 /*
  90  * Some "helper" definitions to make the status code macros obvious.
  91  */
  92 #define GSS_C_CALLING_ERROR_OFFSET 24
  93 #define GSS_C_ROUTINE_ERROR_OFFSET 16
  94 #define GSS_C_SUPPLEMENTARY_OFFSET 0
  95 #define GSS_C_CALLING_ERROR_MASK ((OM_uint32) 0377ul)
  96 #define GSS_C_ROUTINE_ERROR_MASK ((OM_uint32) 0377ul)
  97 #define GSS_C_SUPPLEMENTARY_MASK ((OM_uint32) 0177777ul)
  98
  99 /*
 100  * The macros that test status codes for error conditions.  Note that the
 101  * GSS_ERROR() macro has changed slightly from the V1 GSSAPI so that it now
 102  * evaluates its argument only once.
 103  */
 104 #define GSS_CALLING_ERROR(x) \
 105   ((x) & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET))
 106 #define GSS_ROUTINE_ERROR(x) \
 107   ((x) & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))
 108 #define GSS_SUPPLEMENTARY_INFO(x) \
 109   ((x) & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET))
 110 #define GSS_ERROR(x) \
 111   ((x) & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \
 112           (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)))
 113
 114 /*
 115  * Now the actual status code definitions
 116  */
 117
 118 /*
 119  * Calling errors:
 120  */
 121 #define GSS_S_CALL_INACCESSIBLE_READ \
 122                              (((OM_uint32) 1ul) << GSS_C_CALLING_ERROR_OFFSET)
 123 #define GSS_S_CALL_INACCESSIBLE_WRITE \
 124                              (((OM_uint32) 2ul) << GSS_C_CALLING_ERROR_OFFSET)
 125 #define GSS_S_CALL_BAD_STRUCTURE \
 126                              (((OM_uint32) 3ul) << GSS_C_CALLING_ERROR_OFFSET)
 127
 128 /*
 129  * Routine errors:
 130  */
 131 #define GSS_S_BAD_MECH (((OM_uint32) 1ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 132 #define GSS_S_BAD_NAME (((OM_uint32) 2ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 133 #define GSS_S_BAD_NAMETYPE (((OM_uint32) 3ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 134 #define GSS_S_BAD_BINDINGS (((OM_uint32) 4ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 135 #define GSS_S_BAD_STATUS (((OM_uint32) 5ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 136 #define GSS_S_BAD_SIG (((OM_uint32) 6ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 137 #define GSS_S_NO_CRED (((OM_uint32) 7ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 138 #define GSS_S_NO_CONTEXT (((OM_uint32) 8ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 139 #define GSS_S_DEFECTIVE_TOKEN (((OM_uint32) 9ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 140 #define GSS_S_DEFECTIVE_CREDENTIAL \
 141      (((OM_uint32) 10ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 142 #define GSS_S_CREDENTIALS_EXPIRED \
 143      (((OM_uint32) 11ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 144 #define GSS_S_CONTEXT_EXPIRED \
 145      (((OM_uint32) 12ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 146 #define GSS_S_FAILURE (((OM_uint32) 13ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 147 #define GSS_S_BAD_QOP (((OM_uint32) 14ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 148 #define GSS_S_UNAUTHORIZED (((OM_uint32) 15ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 149 #define GSS_S_UNAVAILABLE (((OM_uint32) 16ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 150 #define GSS_S_DUPLICATE_ELEMENT \
 151      (((OM_uint32) 17ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 152 #define GSS_S_NAME_NOT_MN \
 153      (((OM_uint32) 18ul) << GSS_C_ROUTINE_ERROR_OFFSET)
 154
 155 /*
 156  * Supplementary info bits:
 157  */
 158 #define GSS_S_CONTINUE_NEEDED (1 << (GSS_C_SUPPLEMENTARY_OFFSET + 0))
 159 #define GSS_S_DUPLICATE_TOKEN (1 << (GSS_C_SUPPLEMENTARY_OFFSET + 1))
 160 #define GSS_S_OLD_TOKEN (1 << (GSS_C_SUPPLEMENTARY_OFFSET + 2))
 161 #define GSS_S_UNSEQ_TOKEN (1 << (GSS_C_SUPPLEMENTARY_OFFSET + 3))
 162 #define GSS_S_GAP_TOKEN (1 << (GSS_C_SUPPLEMENTARY_OFFSET + 4))
 163
 164 /* XXXX these are not part of the GSSAPI C bindings!  (but should be) */
 165
 166 #define GSS_CALLING_ERROR_FIELD(x) \
 167    (((x) >> GSS_C_CALLING_ERROR_OFFSET) & GSS_C_CALLING_ERROR_MASK)
 168 #define GSS_ROUTINE_ERROR_FIELD(x) \
 169    (((x) >> GSS_C_ROUTINE_ERROR_OFFSET) & GSS_C_ROUTINE_ERROR_MASK)
 170 #define GSS_SUPPLEMENTARY_INFO_FIELD(x) \
 171    (((x) >> GSS_C_SUPPLEMENTARY_OFFSET) & GSS_C_SUPPLEMENTARY_MASK)
 172
 173 /* XXXX This is a necessary evil until the spec is fixed */
 174 #define GSS_S_CRED_UNAVAIL GSS_S_FAILURE
 175
 176 #endif /* __KERNEL__ */
 177 #endif /* __LINUX_SUNRPC_GSS_ERR_H */