2 Unix SMB/CIFS implementation.
3 rpc interface definitions
4 Copyright (C) Andrew Tridgell 2003
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 this provides definitions for the libcli/rpc/ MSRPC library
27 this is used by the token store/retrieve code
29 struct ndr_token_list {
30 struct ndr_token_list *next, *prev;
35 /* this is the base structure passed to routines that
36 parse MSRPC formatted data
38 note that in Samba4 we use separate routines and structures for
39 MSRPC marshalling and unmarshalling. Also note that these routines
40 are being kept deliberately very simple, and are not tied to a
44 uint32_t flags; /* LIBNDR_FLAG_* */
49 struct ndr_token_list *relative_list;
50 struct ndr_token_list *array_size_list;
51 struct ndr_token_list *array_length_list;
53 /* this is used to ensure we generate unique reference IDs
54 between request and reply */
58 struct ndr_pull_save {
61 struct ndr_pull_save *next;
64 /* structure passed to functions that generate NDR formatted data */
66 uint32_t flags; /* LIBNDR_FLAG_* */
71 struct ndr_token_list *relative_list;
73 /* this is used to ensure we generate unique reference IDs */
77 struct ndr_push_save {
79 struct ndr_push_save *next;
83 /* structure passed to functions that print IDL structures */
85 uint32_t flags; /* LIBNDR_FLAG_* */
87 void (*print)(struct ndr_print *, const char *, ...);
91 #define LIBNDR_FLAG_BIGENDIAN (1<<0)
92 #define LIBNDR_FLAG_NOALIGN (1<<1)
94 #define LIBNDR_FLAG_STR_ASCII (1<<2)
95 #define LIBNDR_FLAG_STR_LEN4 (1<<3)
96 #define LIBNDR_FLAG_STR_SIZE4 (1<<4)
97 #define LIBNDR_FLAG_STR_NOTERM (1<<5)
98 #define LIBNDR_FLAG_STR_NULLTERM (1<<6)
99 #define LIBNDR_FLAG_STR_SIZE2 (1<<7)
100 #define LIBNDR_FLAG_STR_BYTESIZE (1<<8)
101 #define LIBNDR_FLAG_STR_FIXLEN32 (1<<9)
102 #define LIBNDR_FLAG_STR_CONFORMANT (1<<10)
103 #define LIBNDR_FLAG_STR_CHARLEN (1<<11)
104 #define LIBNDR_FLAG_STR_UTF8 (1<<12)
105 #define LIBNDR_STRING_FLAGS (0x1FFC)
108 #define LIBNDR_FLAG_REF_ALLOC (1<<20)
109 #define LIBNDR_FLAG_REMAINING (1<<21)
110 #define LIBNDR_FLAG_ALIGN2 (1<<22)
111 #define LIBNDR_FLAG_ALIGN4 (1<<23)
112 #define LIBNDR_FLAG_ALIGN8 (1<<24)
114 #define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
116 #define LIBNDR_PRINT_ARRAY_HEX (1<<25)
117 #define LIBNDR_PRINT_SET_VALUES (1<<26)
119 /* used to force a section of IDL to be little-endian */
120 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
122 /* used to check if alignment padding is zero */
123 #define LIBNDR_FLAG_PAD_CHECK (1<<28)
125 /* used to indicate spoolss style relative pointers (relative to current
127 #define LIBNDR_FLAG_RELATIVE_CURRENT (1<<29)
129 /* set if an object uuid will be present */
130 #define LIBNDR_FLAG_OBJECT_PRESENT (1<<30)
132 /* useful macro for debugging */
133 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
134 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_union_fn_t)ndr_print_ ##type, #p, level, p)
135 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
136 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
137 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
138 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
142 NDR_ERR_CONFORMANT_SIZE,
159 flags passed to control parse flow
161 #define NDR_SCALARS 1
162 #define NDR_BUFFERS 2
165 flags passed to ndr_print_*()
170 #define NDR_SET_VALUES 4
172 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
173 if ((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size) { \
174 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u", n); \
178 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
180 #define NDR_PULL_ALIGN(ndr, n) do { \
181 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
182 if (ndr->flags & LIBNDR_FLAG_PAD_CHECK) { \
183 ndr_check_padding(ndr, n); \
185 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
187 if (ndr->offset >= ndr->data_size) { \
188 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", n); \
192 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, ndr->offset+(n)))
194 #define NDR_PUSH_ALIGN(ndr, n) do { \
195 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
196 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
197 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, 0)); \
201 #define NDR_SIZE_ALIGN(t, n, flags) ((flags & LIBNDR_FLAG_NOALIGN)?(t):(((t) + (n-1)) & ~(n-1)))
202 #define ndr_size_uint8(t, p, flags) (NDR_SIZE_ALIGN(t, 1, flags) + 1)
203 #define ndr_size_uint16(t, p, flags) (NDR_SIZE_ALIGN(t, 2, flags) + 2)
204 #define ndr_size_int32(t, p, flags) (NDR_SIZE_ALIGN(t, 4, flags) + 4)
205 #define ndr_size_uint32(t, p, flags) (NDR_SIZE_ALIGN(t, 4, flags) + 4)
206 #define ndr_size_ptr(t, p, flags) (NDR_SIZE_ALIGN(t, 4, flags) + 4)
208 * [u]int64 uses 4 Byte alignment
209 * and HYPER_T uses 8 Byte alignment
211 #define ndr_size_int64(t, p, flags) (NDR_SIZE_ALIGN(t, 4, flags) + 8)
212 #define ndr_size_uint64(t, p, flags) (NDR_SIZE_ALIGN(t, 4, flags) + 8)
213 #define ndr_size_HYPER_T(t, p, flags) (NDR_SIZE_ALIGN(t, 8, flags) + 8)
216 #define ndr_size_NTTIME(t, p, flags) ndr_size_uint64(t, p, flags)
217 #define ndr_size_NTTIME_1sec(t, p, flags) ndr_size_HYPER_T(t, p, flags)
219 #define ndr_size_WERROR(t, p, flags) ndr_size_uint32(t, p, flags)
220 #define ndr_size_NTSTATUS(t, p, flags) ndr_size_uint32(t, p, flags)
222 /* these are used to make the error checking on each element in libndr
223 less tedious, hopefully making the code more readable */
224 #define NDR_CHECK(call) do { NTSTATUS _status; \
226 if (!NT_STATUS_IS_OK(_status)) \
231 #define NDR_ALLOC_SIZE(ndr, s, size) do { \
232 (s) = talloc_size(ndr, size); \
233 if ((size) && !(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, \
234 "Alloc %u failed\n", \
238 #define NDR_ALLOC(ndr, s) NDR_ALLOC_SIZE(ndr, s, sizeof(*(s)))
241 #define NDR_ALLOC_N_SIZE(ndr, s, n, elsize) do { \
242 (s) = talloc_array_size(ndr, elsize, n); \
243 if (!(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %u failed\n", n, elsize); \
246 #define NDR_ALLOC_N(ndr, s, n) NDR_ALLOC_N_SIZE(ndr, s, n, sizeof(*(s)))
249 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
250 (s) = talloc_size(ndr, size); \
251 if (!(s)) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed\n", size); \
254 #define NDR_PUSH_ALLOC(ndr, s) NDR_PUSH_ALLOC_SIZE(ndr, s, sizeof(*(s)))
256 /* these are used when generic fn pointers are needed for ndr push/pull fns */
257 typedef NTSTATUS (*ndr_push_fn_t)(struct ndr_push *, void *);
258 typedef NTSTATUS (*ndr_pull_fn_t)(struct ndr_pull *, void *);
260 typedef NTSTATUS (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, void *);
261 typedef NTSTATUS (*ndr_push_const_fn_t)(struct ndr_push *, int ndr_flags, const void *);
262 typedef NTSTATUS (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
263 typedef NTSTATUS (*ndr_push_union_fn_t)(struct ndr_push *, int ndr_flags, uint32_t, void *);
264 typedef NTSTATUS (*ndr_pull_union_fn_t)(struct ndr_pull *, int ndr_flags, uint32_t, void *);
265 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, void *);
266 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, void *);
267 typedef void (*ndr_print_union_fn_t)(struct ndr_print *, const char *, uint32_t, void *);