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
|
/*
Unix SMB/CIFS implementation.
rpc interface definitions
Copyright (C) Andrew Tridgell 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
this provides definitions for the libcli/rpc/ MSRPC library
*/
/* offset lists are used to allow a push/pull function to find the
start of an encapsulating structure */
struct ndr_ofs_list {
uint32 offset;
struct ndr_ofs_list *next;
};
/* this is the base structure passed to routines that
parse MSRPC formatted data
note that in Samba4 we use separate routines and structures for
MSRPC marshalling and unmarshalling. Also note that these routines
are being kept deliberately very simple, and are not tied to a
particular transport
*/
struct ndr_pull {
uint32 flags; /* LIBNDR_FLAG_* */
char *data;
uint32 data_size;
uint32 offset;
TALLOC_CTX *mem_ctx;
/* this points at a list of offsets to the structures being processed.
The first element in the list is the current structure */
struct ndr_ofs_list *ofs_list;
};
struct ndr_pull_save {
uint32 data_size;
uint32 offset;
struct ndr_pull_save *next;
};
/* structure passed to functions that generate NDR formatted data */
struct ndr_push {
uint32 flags; /* LIBNDR_FLAG_* */
char *data;
uint32 alloc_size;
uint32 offset;
TALLOC_CTX *mem_ctx;
/* this is used to ensure we generate unique reference IDs */
uint32 ptr_count;
/* this points at a list of offsets to the structures being processed.
The first element in the list is the current structure */
struct ndr_ofs_list *ofs_list;
/* this list is used by the [relative] code to find the offsets */
struct ndr_ofs_list *relative_list, *relative_list_end;
};
struct ndr_push_save {
uint32 offset;
struct ndr_push_save *next;
};
/* structure passed to functions that print IDL structures */
struct ndr_print {
uint32 flags; /* LIBNDR_FLAG_* */
TALLOC_CTX *mem_ctx;
uint32 depth;
void (*print)(struct ndr_print *, const char *, ...);
void *private;
};
#define LIBNDR_FLAG_BIGENDIAN (1<<0)
#define LIBNDR_FLAG_NOALIGN (1<<1)
#define LIBNDR_FLAG_STR_ASCII (1<<2)
#define LIBNDR_FLAG_STR_LEN4 (1<<3)
#define LIBNDR_FLAG_STR_SIZE4 (1<<4)
#define LIBNDR_FLAG_STR_NOTERM (1<<5)
#define LIBNDR_FLAG_STR_NULLTERM (1<<6)
#define LIBNDR_FLAG_STR_SIZE2 (1<<7)
#define LIBNDR_STRING_FLAGS (0xFC)
#define LIBNDR_FLAG_REF_ALLOC (1<<10)
#define LIBNDR_FLAG_REMAINING (1<<11)
#define LIBNDR_FLAG_ALIGN2 (1<<12)
#define LIBNDR_FLAG_ALIGN4 (1<<13)
#define LIBNDR_FLAG_ALIGN8 (1<<14)
#define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
/* useful macro for debugging */
#define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
#define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_union_fn_t)ndr_print_ ##type, #p, level, p)
#define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
#define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
#define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
#define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN, p)
enum ndr_err_code {
NDR_ERR_CONFORMANT_SIZE,
NDR_ERR_ARRAY_SIZE,
NDR_ERR_BAD_SWITCH,
NDR_ERR_OFFSET,
NDR_ERR_RELATIVE,
NDR_ERR_CHARCNV,
NDR_ERR_LENGTH,
NDR_ERR_SUBCONTEXT,
NDR_ERR_STRING,
NDR_ERR_VALIDATE,
NDR_ERR_BUFSIZE,
NDR_ERR_ALLOC
};
/*
flags passed to control parse flow
*/
#define NDR_SCALARS 1
#define NDR_BUFFERS 2
/*
flags passed to ndr_print_*()
*/
#define NDR_IN 1
#define NDR_OUT 2
#define NDR_BOTH 3
#define NDR_PULL_NEED_BYTES(ndr, n) do { \
if ((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size) { \
return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u", n); \
} \
} while(0)
#define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
#define NDR_PULL_ALIGN(ndr, n) do { \
if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
} \
if (ndr->offset >= ndr->data_size) { \
return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", n); \
} \
} while(0)
#define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, ndr->offset+(n)))
#define NDR_PUSH_ALIGN(ndr, n) do { \
if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
uint32 _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, 0)); \
} \
} while(0)
/* these are used to make the error checking on each element in libndr
less tedious, hopefully making the code more readable */
#define NDR_CHECK(call) do { NTSTATUS _status; \
_status = call; \
if (!NT_STATUS_IS_OK(_status)) \
return _status; \
} while (0)
#define NDR_ALLOC_SIZE(ndr, s, size) do { \
(s) = talloc(ndr->mem_ctx, size); \
if ((size) && !(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, \
"Alloc %u failed\n", \
size); \
} while (0)
#define NDR_ALLOC(ndr, s) NDR_ALLOC_SIZE(ndr, s, sizeof(*(s)))
#define NDR_ALLOC_N_SIZE(ndr, s, n, elsize) do { \
if ((n) == 0) { \
(s) = NULL; \
} else { \
(s) = talloc(ndr->mem_ctx, (n) * elsize); \
if (!(s)) return ndr_pull_error(ndr, \
NDR_ERR_ALLOC, \
"Alloc %u * %u failed\n", \
n, elsize); \
} \
} while (0)
#define NDR_ALLOC_N(ndr, s, n) NDR_ALLOC_N_SIZE(ndr, s, n, sizeof(*(s)))
#define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
(s) = talloc(ndr->mem_ctx, size); \
if ((size) && !(s)) return ndr_push_error(ndr, NDR_ERR_ALLOC, \
"push alloc %u failed\n",\
size); \
} while (0)
#define NDR_PUSH_ALLOC(ndr, s) NDR_PUSH_ALLOC_SIZE(ndr, s, sizeof(*(s)))
/* these are used when generic fn pointers are needed for ndr push/pull fns */
typedef NTSTATUS (*ndr_push_fn_t)(struct ndr_push *, void *);
typedef NTSTATUS (*ndr_pull_fn_t)(struct ndr_pull *, void *);
typedef NTSTATUS (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, void *);
typedef NTSTATUS (*ndr_push_const_fn_t)(struct ndr_push *, int ndr_flags, const void *);
typedef NTSTATUS (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
typedef NTSTATUS (*ndr_push_union_fn_t)(struct ndr_push *, int ndr_flags, uint32, void *);
typedef NTSTATUS (*ndr_pull_union_fn_t)(struct ndr_pull *, int ndr_flags, uint32, void *);
typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, void *);
typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, void *);
typedef void (*ndr_print_union_fn_t)(struct ndr_print *, const char *, uint32, void *);
/* now pull in the individual parsers */
#include "librpc/ndr/ndr_basic.h"
#include "librpc/ndr/ndr_sec.h"
#include "librpc/gen_ndr/ndr_dcerpc.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_echo.h"
#include "librpc/gen_ndr/ndr_lsa.h"
#include "librpc/gen_ndr/ndr_dfs.h"
#include "librpc/gen_ndr/ndr_spoolss.h"
#include "librpc/gen_ndr/ndr_samr.h"
#include "librpc/gen_ndr/ndr_wkssvc.h"
#include "librpc/gen_ndr/ndr_srvsvc.h"
#include "librpc/gen_ndr/ndr_atsvc.h"
#include "librpc/gen_ndr/ndr_eventlog.h"
#include "librpc/gen_ndr/ndr_epmapper.h"
#include "librpc/gen_ndr/ndr_winreg.h"
#include "librpc/gen_ndr/ndr_mgmt.h"
/* this can be used to loop over all pipes - please extend the table
in librpc/ndr/ndr.c
*/
extern const struct dcerpc_interface_table *dcerpc_pipes[];
|