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