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 3 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, see <http://www.gnu.org/licenses/>.
23 #define _PRINTF_ATTRIBUTE(a,b)
25 #include "librpc/ndr/misc.h"
26 #include "librpc/ndr/security.h"
29 this provides definitions for the libcli/rpc/ MSRPC library
34 this is used by the token store/retrieve code
36 struct ndr_token_list {
37 struct ndr_token_list *next, *prev;
42 /* this is the base structure passed to routines that
43 parse MSRPC formatted data
45 note that in Samba4 we use separate routines and structures for
46 MSRPC marshalling and unmarshalling. Also note that these routines
47 are being kept deliberately very simple, and are not tied to a
51 uint32_t flags; /* LIBNDR_FLAG_* */
56 uint32_t relative_base_offset;
57 struct ndr_token_list *relative_base_list;
59 struct ndr_token_list *relative_list;
60 struct ndr_token_list *array_size_list;
61 struct ndr_token_list *array_length_list;
62 struct ndr_token_list *switch_list;
64 TALLOC_CTX *current_mem_ctx;
66 /* this is used to ensure we generate unique reference IDs
67 between request and reply */
71 struct ndr_pull_save {
74 struct ndr_pull_save *next;
77 /* structure passed to functions that generate NDR formatted data */
79 uint32_t flags; /* LIBNDR_FLAG_* */
84 uint32_t relative_base_offset;
85 struct ndr_token_list *relative_base_list;
87 struct ndr_token_list *switch_list;
88 struct ndr_token_list *relative_list;
89 struct ndr_token_list *nbt_string_list;
90 struct ndr_token_list *full_ptr_list;
92 /* this is used to ensure we generate unique reference IDs */
96 struct ndr_push_save {
98 struct ndr_push_save *next;
102 /* structure passed to functions that print IDL structures */
104 uint32_t flags; /* LIBNDR_FLAG_* */
106 struct ndr_token_list *switch_list;
107 void (*print)(struct ndr_print *, const char *, ...);
111 #define LIBNDR_FLAG_BIGENDIAN (1<<0)
112 #define LIBNDR_FLAG_NOALIGN (1<<1)
114 #define LIBNDR_FLAG_STR_ASCII (1<<2)
115 #define LIBNDR_FLAG_STR_LEN4 (1<<3)
116 #define LIBNDR_FLAG_STR_SIZE4 (1<<4)
117 #define LIBNDR_FLAG_STR_NOTERM (1<<5)
118 #define LIBNDR_FLAG_STR_NULLTERM (1<<6)
119 #define LIBNDR_FLAG_STR_SIZE2 (1<<7)
120 #define LIBNDR_FLAG_STR_BYTESIZE (1<<8)
121 #define LIBNDR_FLAG_STR_FIXLEN32 (1<<9)
122 #define LIBNDR_FLAG_STR_CONFORMANT (1<<10)
123 #define LIBNDR_FLAG_STR_CHARLEN (1<<11)
124 #define LIBNDR_FLAG_STR_UTF8 (1<<12)
125 #define LIBNDR_FLAG_STR_FIXLEN15 (1<<13)
126 #define LIBNDR_STRING_FLAGS (0x7FFC)
129 #define LIBNDR_FLAG_REF_ALLOC (1<<20)
130 #define LIBNDR_FLAG_REMAINING (1<<21)
131 #define LIBNDR_FLAG_ALIGN2 (1<<22)
132 #define LIBNDR_FLAG_ALIGN4 (1<<23)
133 #define LIBNDR_FLAG_ALIGN8 (1<<24)
135 #define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
137 #define LIBNDR_PRINT_ARRAY_HEX (1<<25)
138 #define LIBNDR_PRINT_SET_VALUES (1<<26)
140 /* used to force a section of IDL to be little-endian */
141 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
143 /* used to check if alignment padding is zero */
144 #define LIBNDR_FLAG_PAD_CHECK (1<<28)
146 /* set if an object uuid will be present */
147 #define LIBNDR_FLAG_OBJECT_PRESENT (1<<30)
149 /* set to avoid recursion in ndr_size_*() calculation */
150 #define LIBNDR_FLAG_NO_NDR_SIZE (1<<31)
152 /* useful macro for debugging */
153 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
154 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
155 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
156 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
157 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
158 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
160 #define NDR_BE(ndr) (((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN)
180 enum ndr_compression_alg {
181 NDR_COMPRESSION_MSZIP = 2,
182 NDR_COMPRESSION_XPRESS = 3
186 flags passed to control parse flow
188 #define NDR_SCALARS 1
189 #define NDR_BUFFERS 2
192 flags passed to ndr_print_*()
197 #define NDR_SET_VALUES 4
199 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
200 if ((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size) { \
201 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u", (unsigned)n); \
205 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
207 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
209 #define NDR_PULL_ALIGN(ndr, n) do { \
210 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
211 if (ndr->flags & LIBNDR_FLAG_PAD_CHECK) { \
212 ndr_check_padding(ndr, n); \
214 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
216 if (ndr->offset > ndr->data_size) { \
217 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
221 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, n))
223 #define NDR_PUSH_ALIGN(ndr, n) do { \
224 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
225 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
226 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
230 /* these are used to make the error checking on each element in libndr
231 less tedious, hopefully making the code more readable */
232 #define NDR_CHECK(call) do { NTSTATUS _status; \
234 if (!NT_STATUS_IS_OK(_status)) \
238 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
240 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
241 if ( !(flgs) || (ndr->flags & flgs) ) {\
243 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
245 ndr->current_mem_ctx = CONST_DISCARD(TALLOC_CTX *, mem_ctx);\
249 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
250 if (!ndr->current_mem_ctx) {\
251 ndr->current_mem_ctx = talloc_new(ndr);\
252 if (!ndr->current_mem_ctx) {\
253 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
258 #define NDR_PULL_ALLOC(ndr, s) do { \
259 _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
260 (s) = talloc_ptrtype(ndr->current_mem_ctx, (s)); \
261 if (!(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %s failed: %s\n", # s, __location__); \
264 #define NDR_PULL_ALLOC_N(ndr, s, n) do { \
265 _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
266 (s) = talloc_array_ptrtype(ndr->current_mem_ctx, (s), n); \
267 if (!(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %s failed: %s\n", (unsigned)n, # s, __location__); \
271 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
272 (s) = talloc_array(ndr, uint8, size); \
273 if (!(s)) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
276 #define NDR_PUSH_ALLOC(ndr, s) do { \
277 (s) = talloc_ptrtype(ndr, (s)); \
278 if (!(s)) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %s failed: %s\n", # s, __location__); \
281 /* these are used when generic fn pointers are needed for ndr push/pull fns */
282 typedef NTSTATUS (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
283 typedef NTSTATUS (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
284 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
285 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
287 extern const struct ndr_syntax_id ndr_transfer_syntax;
288 extern const struct ndr_syntax_id ndr64_transfer_syntax;
290 struct ndr_interface_call {
293 ndr_push_flags_fn_t ndr_push;
294 ndr_pull_flags_fn_t ndr_pull;
295 ndr_print_function_t ndr_print;
299 struct ndr_interface_string_array {
301 const char * const *names;
306 #endif /* __LIBNDR_H__ */