зеркало из https://github.com/github/putty.git
297 строки
12 KiB
C
297 строки
12 KiB
C
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#ifndef PUTTY_PGSSAPI_H
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#define PUTTY_PGSSAPI_H
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#include "putty.h"
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#ifndef NO_GSSAPI
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/*
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* On Unix, if we're statically linking against GSSAPI, we leave the
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* declaration of all this lot to the official header. If we're
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* dynamically linking, we declare it ourselves, because that avoids
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* us needing the official header at compile time.
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*
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* However, we still need the function pointer types, because even
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* with statically linked GSSAPI we use the ssh_gss_library wrapper.
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*/
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#ifdef STATIC_GSSAPI
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#include <gssapi/gssapi.h>
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typedef gss_OID const_gss_OID; /* for our prototypes below */
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#else /* STATIC_GSSAPI */
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/*******************************************************************************
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* GSSAPI Definitions, taken from RFC 2744
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******************************************************************************/
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/* GSSAPI Type Definitions */
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typedef uint32 OM_uint32;
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typedef struct gss_OID_desc_struct {
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OM_uint32 length;
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void *elements;
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} gss_OID_desc;
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typedef const gss_OID_desc *const_gss_OID;
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typedef gss_OID_desc *gss_OID;
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typedef struct gss_OID_set_desc_struct {
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size_t count;
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gss_OID elements;
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} gss_OID_set_desc;
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typedef const gss_OID_set_desc *const_gss_OID_set;
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typedef gss_OID_set_desc *gss_OID_set;
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typedef struct gss_buffer_desc_struct {
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size_t length;
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void *value;
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} gss_buffer_desc, *gss_buffer_t;
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typedef struct gss_channel_bindings_struct {
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OM_uint32 initiator_addrtype;
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gss_buffer_desc initiator_address;
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OM_uint32 acceptor_addrtype;
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gss_buffer_desc acceptor_address;
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gss_buffer_desc application_data;
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} *gss_channel_bindings_t;
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typedef void * gss_ctx_id_t;
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typedef void * gss_name_t;
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typedef void * gss_cred_id_t;
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typedef OM_uint32 gss_qop_t;
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/* Flag bits for context-level services. */
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#define GSS_C_DELEG_FLAG 1
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#define GSS_C_MUTUAL_FLAG 2
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#define GSS_C_REPLAY_FLAG 4
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#define GSS_C_SEQUENCE_FLAG 8
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#define GSS_C_CONF_FLAG 16
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#define GSS_C_INTEG_FLAG 32
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#define GSS_C_ANON_FLAG 64
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#define GSS_C_PROT_READY_FLAG 128
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#define GSS_C_TRANS_FLAG 256
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/* Credential usage options */
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#define GSS_C_BOTH 0
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#define GSS_C_INITIATE 1
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#define GSS_C_ACCEPT 2
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/* Status code types for gss_display_status */
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#define GSS_C_GSS_CODE 1
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#define GSS_C_MECH_CODE 2
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/* The constant definitions for channel-bindings address families */
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#define GSS_C_AF_UNSPEC 0
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#define GSS_C_AF_LOCAL 1
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#define GSS_C_AF_INET 2
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#define GSS_C_AF_IMPLINK 3
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#define GSS_C_AF_PUP 4
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#define GSS_C_AF_CHAOS 5
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#define GSS_C_AF_NS 6
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#define GSS_C_AF_NBS 7
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#define GSS_C_AF_ECMA 8
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#define GSS_C_AF_DATAKIT 9
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#define GSS_C_AF_CCITT 10
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#define GSS_C_AF_SNA 11
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#define GSS_C_AF_DECnet 12
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#define GSS_C_AF_DLI 13
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#define GSS_C_AF_LAT 14
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#define GSS_C_AF_HYLINK 15
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#define GSS_C_AF_APPLETALK 16
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#define GSS_C_AF_BSC 17
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#define GSS_C_AF_DSS 18
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#define GSS_C_AF_OSI 19
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#define GSS_C_AF_X25 21
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#define GSS_C_AF_NULLADDR 255
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/* Various Null values */
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#define GSS_C_NO_NAME ((gss_name_t) 0)
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#define GSS_C_NO_BUFFER ((gss_buffer_t) 0)
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#define GSS_C_NO_OID ((gss_OID) 0)
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#define GSS_C_NO_OID_SET ((gss_OID_set) 0)
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#define GSS_C_NO_CONTEXT ((gss_ctx_id_t) 0)
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#define GSS_C_NO_CREDENTIAL ((gss_cred_id_t) 0)
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#define GSS_C_NO_CHANNEL_BINDINGS ((gss_channel_bindings_t) 0)
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#define GSS_C_EMPTY_BUFFER {0, NULL}
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/* Major status codes */
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#define GSS_S_COMPLETE 0
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/* Some "helper" definitions to make the status code macros obvious. */
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#define GSS_C_CALLING_ERROR_OFFSET 24
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#define GSS_C_ROUTINE_ERROR_OFFSET 16
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#define GSS_C_SUPPLEMENTARY_OFFSET 0
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#define GSS_C_CALLING_ERROR_MASK 0377ul
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#define GSS_C_ROUTINE_ERROR_MASK 0377ul
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#define GSS_C_SUPPLEMENTARY_MASK 0177777ul
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/*
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* The macros that test status codes for error conditions.
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* Note that the GSS_ERROR() macro has changed slightly from
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* the V1 GSS-API so that it now evaluates its argument
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* only once.
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*/
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#define GSS_CALLING_ERROR(x) \
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(x & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET))
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#define GSS_ROUTINE_ERROR(x) \
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(x & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))
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#define GSS_SUPPLEMENTARY_INFO(x) \
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(x & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET))
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#define GSS_ERROR(x) \
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(x & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \
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(GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)))
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/* Now the actual status code definitions */
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/* Calling errors: */
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#define GSS_S_CALL_INACCESSIBLE_READ \
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(1ul << GSS_C_CALLING_ERROR_OFFSET)
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#define GSS_S_CALL_INACCESSIBLE_WRITE \
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(2ul << GSS_C_CALLING_ERROR_OFFSET)
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#define GSS_S_CALL_BAD_STRUCTURE \
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(3ul << GSS_C_CALLING_ERROR_OFFSET)
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/* Routine errors: */
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#define GSS_S_BAD_MECH (1ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_NAME (2ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_NAMETYPE (3ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_BINDINGS (4ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_STATUS (5ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_SIG (6ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_MIC GSS_S_BAD_SIG
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#define GSS_S_NO_CRED (7ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_NO_CONTEXT (8ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_DEFECTIVE_TOKEN (9ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_DEFECTIVE_CREDENTIAL (10ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_CREDENTIALS_EXPIRED (11ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_CONTEXT_EXPIRED (12ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_FAILURE (13ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_BAD_QOP (14ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_UNAUTHORIZED (15ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_UNAVAILABLE (16ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_DUPLICATE_ELEMENT (17ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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#define GSS_S_NAME_NOT_MN (18ul << \
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GSS_C_ROUTINE_ERROR_OFFSET)
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/* Supplementary info bits: */
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#define GSS_S_CONTINUE_NEEDED \
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(1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 0))
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#define GSS_S_DUPLICATE_TOKEN \
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(1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 1))
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#define GSS_S_OLD_TOKEN \
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(1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 2))
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#define GSS_S_UNSEQ_TOKEN \
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(1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 3))
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#define GSS_S_GAP_TOKEN \
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(1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 4))
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extern const_gss_OID GSS_C_NT_USER_NAME;
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extern const_gss_OID GSS_C_NT_MACHINE_UID_NAME;
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extern const_gss_OID GSS_C_NT_STRING_UID_NAME;
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extern const_gss_OID GSS_C_NT_HOSTBASED_SERVICE_X;
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extern const_gss_OID GSS_C_NT_HOSTBASED_SERVICE;
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extern const_gss_OID GSS_C_NT_ANONYMOUS;
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extern const_gss_OID GSS_C_NT_EXPORT_NAME;
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#endif /* STATIC_GSSAPI */
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extern const gss_OID GSS_MECH_KRB5;
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/* GSSAPI functions we use.
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* TODO: Replace with all GSSAPI functions from RFC?
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*/
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/* Calling convention, just in case we need one. */
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#ifndef GSS_CC
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#define GSS_CC
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#endif /*GSS_CC*/
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typedef OM_uint32 (GSS_CC *t_gss_release_cred)
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(OM_uint32 * /*minor_status*/,
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gss_cred_id_t * /*cred_handle*/);
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typedef OM_uint32 (GSS_CC *t_gss_init_sec_context)
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(OM_uint32 * /*minor_status*/,
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const gss_cred_id_t /*initiator_cred_handle*/,
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gss_ctx_id_t * /*context_handle*/,
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const gss_name_t /*target_name*/,
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const gss_OID /*mech_type*/,
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OM_uint32 /*req_flags*/,
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OM_uint32 /*time_req*/,
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const gss_channel_bindings_t /*input_chan_bindings*/,
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const gss_buffer_t /*input_token*/,
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gss_OID * /*actual_mech_type*/,
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gss_buffer_t /*output_token*/,
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OM_uint32 * /*ret_flags*/,
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OM_uint32 * /*time_rec*/);
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typedef OM_uint32 (GSS_CC *t_gss_delete_sec_context)
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(OM_uint32 * /*minor_status*/,
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gss_ctx_id_t * /*context_handle*/,
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gss_buffer_t /*output_token*/);
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typedef OM_uint32 (GSS_CC *t_gss_get_mic)
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(OM_uint32 * /*minor_status*/,
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const gss_ctx_id_t /*context_handle*/,
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gss_qop_t /*qop_req*/,
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const gss_buffer_t /*message_buffer*/,
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gss_buffer_t /*msg_token*/);
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typedef OM_uint32 (GSS_CC *t_gss_display_status)
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(OM_uint32 * /*minor_status*/,
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OM_uint32 /*status_value*/,
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int /*status_type*/,
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const gss_OID /*mech_type*/,
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OM_uint32 * /*message_context*/,
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gss_buffer_t /*status_string*/);
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typedef OM_uint32 (GSS_CC *t_gss_import_name)
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(OM_uint32 * /*minor_status*/,
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const gss_buffer_t /*input_name_buffer*/,
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const_gss_OID /*input_name_type*/,
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gss_name_t * /*output_name*/);
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typedef OM_uint32 (GSS_CC *t_gss_release_name)
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(OM_uint32 * /*minor_status*/,
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gss_name_t * /*name*/);
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typedef OM_uint32 (GSS_CC *t_gss_release_buffer)
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(OM_uint32 * /*minor_status*/,
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gss_buffer_t /*buffer*/);
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struct gssapi_functions {
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t_gss_delete_sec_context delete_sec_context;
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t_gss_display_status display_status;
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t_gss_get_mic get_mic;
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t_gss_import_name import_name;
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t_gss_init_sec_context init_sec_context;
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t_gss_release_buffer release_buffer;
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t_gss_release_cred release_cred;
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t_gss_release_name release_name;
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};
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#endif /* NO_GSSAPI */
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#endif /* PUTTY_PGSSAPI_H */
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