include/linux/sunrpc/gss_err.h

Source file repositories/reference/linux-study-clean/include/linux/sunrpc/gss_err.h

File Facts

System
Linux kernel
Corpus path
include/linux/sunrpc/gss_err.h
Extension
.h
Size
6025 bytes
Lines
165
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _LINUX_SUNRPC_GSS_ERR_H
#define _LINUX_SUNRPC_GSS_ERR_H

typedef unsigned int OM_uint32;

/*
 * Flag bits for context-level services.
 */
#define GSS_C_DELEG_FLAG 1
#define GSS_C_MUTUAL_FLAG 2
#define GSS_C_REPLAY_FLAG 4
#define GSS_C_SEQUENCE_FLAG 8
#define GSS_C_CONF_FLAG 16
#define GSS_C_INTEG_FLAG 32
#define	GSS_C_ANON_FLAG 64
#define GSS_C_PROT_READY_FLAG 128
#define GSS_C_TRANS_FLAG 256

/*
 * Credential usage options
 */
#define GSS_C_BOTH 0
#define GSS_C_INITIATE 1
#define GSS_C_ACCEPT 2

/*
 * Status code types for gss_display_status
 */
#define GSS_C_GSS_CODE 1
#define GSS_C_MECH_CODE 2


/*
 * Expiration time of 2^32-1 seconds means infinite lifetime for a
 * credential or security context
 */
#define GSS_C_INDEFINITE ((OM_uint32) 0xfffffffful)


/* Major status codes */

#define GSS_S_COMPLETE 0

/*
 * Some "helper" definitions to make the status code macros obvious.
 */
#define GSS_C_CALLING_ERROR_OFFSET 24
#define GSS_C_ROUTINE_ERROR_OFFSET 16
#define GSS_C_SUPPLEMENTARY_OFFSET 0
#define GSS_C_CALLING_ERROR_MASK ((OM_uint32) 0377ul)
#define GSS_C_ROUTINE_ERROR_MASK ((OM_uint32) 0377ul)
#define GSS_C_SUPPLEMENTARY_MASK ((OM_uint32) 0177777ul)

/*
 * The macros that test status codes for error conditions.  Note that the
 * GSS_ERROR() macro has changed slightly from the V1 GSSAPI so that it now
 * evaluates its argument only once.
 */
#define GSS_CALLING_ERROR(x) \
  ((x) & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET))
#define GSS_ROUTINE_ERROR(x) \
  ((x) & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))
#define GSS_SUPPLEMENTARY_INFO(x) \
  ((x) & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET))
#define GSS_ERROR(x) \
  ((x) & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \
	  (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)))

/*
 * Now the actual status code definitions
 */

/*
 * Calling errors:
 */
#define GSS_S_CALL_INACCESSIBLE_READ \
                             (((OM_uint32) 1ul) << GSS_C_CALLING_ERROR_OFFSET)
#define GSS_S_CALL_INACCESSIBLE_WRITE \
                             (((OM_uint32) 2ul) << GSS_C_CALLING_ERROR_OFFSET)
#define GSS_S_CALL_BAD_STRUCTURE \
                             (((OM_uint32) 3ul) << GSS_C_CALLING_ERROR_OFFSET)

/*
 * Routine errors:
 */
#define GSS_S_BAD_MECH (((OM_uint32) 1ul) << GSS_C_ROUTINE_ERROR_OFFSET)
#define GSS_S_BAD_NAME (((OM_uint32) 2ul) << GSS_C_ROUTINE_ERROR_OFFSET)
#define GSS_S_BAD_NAMETYPE (((OM_uint32) 3ul) << GSS_C_ROUTINE_ERROR_OFFSET)
#define GSS_S_BAD_BINDINGS (((OM_uint32) 4ul) << GSS_C_ROUTINE_ERROR_OFFSET)
#define GSS_S_BAD_STATUS (((OM_uint32) 5ul) << GSS_C_ROUTINE_ERROR_OFFSET)

Annotation

Implementation Notes