forked from Yasushi/putty
-
Notifications
You must be signed in to change notification settings - Fork 6
/
pgssapi.h
296 lines (252 loc) · 11.5 KB
/
pgssapi.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
#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 <gssapi/gssapi.h>
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 */