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.
25 this provides definitions for the libcli/rpc/ MSRPC library
30 this is used by the token store/retrieve code
32 struct ndr_token_list {
33 struct ndr_token_list *next, *prev;
38 /* this is the base structure passed to routines that
39 parse MSRPC formatted data
41 note that in Samba4 we use separate routines and structures for
42 MSRPC marshalling and unmarshalling. Also note that these routines
43 are being kept deliberately very simple, and are not tied to a
47 uint32_t flags; /* LIBNDR_FLAG_* */
52 uint32_t relative_base_offset;
53 struct ndr_token_list *relative_base_list;
55 struct ndr_token_list *relative_list;
56 struct ndr_token_list *array_size_list;
57 struct ndr_token_list *array_length_list;
58 struct ndr_token_list *switch_list;
60 TALLOC_CTX *current_mem_ctx;
62 /* this is used to ensure we generate unique reference IDs
63 between request and reply */
67 struct ndr_pull_save {
70 struct ndr_pull_save *next;
73 /* structure passed to functions that generate NDR formatted data */
75 uint32_t flags; /* LIBNDR_FLAG_* */
80 uint32_t relative_base_offset;
81 struct ndr_token_list *relative_base_list;
83 struct ndr_token_list *switch_list;
84 struct ndr_token_list *relative_list;
85 struct ndr_token_list *nbt_string_list;
87 /* this is used to ensure we generate unique reference IDs */
91 struct ndr_push_save {
93 struct ndr_push_save *next;
97 /* structure passed to functions that print IDL structures */
99 uint32_t flags; /* LIBNDR_FLAG_* */
101 struct ndr_token_list *switch_list;
102 void (*print)(struct ndr_print *, const char *, ...);
106 #define LIBNDR_FLAG_BIGENDIAN (1<<0)
107 #define LIBNDR_FLAG_NOALIGN (1<<1)
109 #define LIBNDR_FLAG_STR_ASCII (1<<2)
110 #define LIBNDR_FLAG_STR_LEN4 (1<<3)
111 #define LIBNDR_FLAG_STR_SIZE4 (1<<4)
112 #define LIBNDR_FLAG_STR_NOTERM (1<<5)
113 #define LIBNDR_FLAG_STR_NULLTERM (1<<6)
114 #define LIBNDR_FLAG_STR_SIZE2 (1<<7)
115 #define LIBNDR_FLAG_STR_BYTESIZE (1<<8)
116 #define LIBNDR_FLAG_STR_FIXLEN32 (1<<9)
117 #define LIBNDR_FLAG_STR_CONFORMANT (1<<10)
118 #define LIBNDR_FLAG_STR_CHARLEN (1<<11)
119 #define LIBNDR_FLAG_STR_UTF8 (1<<12)
120 #define LIBNDR_FLAG_STR_FIXLEN15 (1<<13)
121 #define LIBNDR_STRING_FLAGS (0x7FFC)
124 #define LIBNDR_FLAG_REF_ALLOC (1<<20)
125 #define LIBNDR_FLAG_REMAINING (1<<21)
126 #define LIBNDR_FLAG_ALIGN2 (1<<22)
127 #define LIBNDR_FLAG_ALIGN4 (1<<23)
128 #define LIBNDR_FLAG_ALIGN8 (1<<24)
130 #define LIBNDR_ALIGN_FLAGS (LIBNDR_FLAG_ALIGN2|LIBNDR_FLAG_ALIGN4|LIBNDR_FLAG_ALIGN8)
132 #define LIBNDR_PRINT_ARRAY_HEX (1<<25)
133 #define LIBNDR_PRINT_SET_VALUES (1<<26)
135 /* used to force a section of IDL to be little-endian */
136 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
138 /* used to check if alignment padding is zero */
139 #define LIBNDR_FLAG_PAD_CHECK (1<<28)
141 /* set if an object uuid will be present */
142 #define LIBNDR_FLAG_OBJECT_PRESENT (1<<30)
144 /* set to avoid recursion in ndr_size_*() calculation */
145 #define LIBNDR_FLAG_NO_NDR_SIZE (1<<31)
147 /* useful macro for debugging */
148 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
149 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
150 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
151 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
152 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
153 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
155 #define NDR_BE(ndr) (((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN)
175 enum ndr_compression_alg {
176 NDR_COMPRESSION_MSZIP = 2,
177 NDR_COMPRESSION_XPRESS = 3
181 flags passed to control parse flow
183 #define NDR_SCALARS 1
184 #define NDR_BUFFERS 2
187 flags passed to ndr_print_*()
192 #define NDR_SET_VALUES 4
194 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
195 if ((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size) { \
196 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u", (unsigned)n); \
200 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
202 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
204 #define NDR_PULL_ALIGN(ndr, n) do { \
205 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
206 if (ndr->flags & LIBNDR_FLAG_PAD_CHECK) { \
207 ndr_check_padding(ndr, n); \
209 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
211 if (ndr->offset > ndr->data_size) { \
212 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
216 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, ndr->offset+(n)))
218 #define NDR_PUSH_ALIGN(ndr, n) do { \
219 if (!(ndr->flags & LIBNDR_FLAG_NOALIGN)) { \
220 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
221 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
225 /* these are used to make the error checking on each element in libndr
226 less tedious, hopefully making the code more readable */
227 #define NDR_CHECK(call) do { NTSTATUS _status; \
229 if (!NT_STATUS_IS_OK(_status)) \
233 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
235 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
236 if ( !(flgs) || (ndr->flags & flgs) ) {\
238 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
240 ndr->current_mem_ctx = discard_const(mem_ctx);\
244 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
245 if (!ndr->current_mem_ctx) {\
246 ndr->current_mem_ctx = talloc_new(ndr);\
247 if (!ndr->current_mem_ctx) {\
248 return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
253 #define NDR_PULL_ALLOC_SIZE(ndr, s, size) do { \
254 _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
255 (s) = talloc_size(ndr->current_mem_ctx, size); \
256 if (!(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u failed: %s\n",(unsigned)size, __location__); \
259 #define NDR_PULL_ALLOC(ndr, s) NDR_PULL_ALLOC_SIZE(ndr, s, sizeof(*(s)))
261 #define NDR_PULL_ALLOC_N_SIZE(ndr, s, n, elsize) do { \
262 _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
263 (s) = talloc_array_size(ndr->current_mem_ctx, elsize, n); \
264 if (!(s)) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %u failed: %s\n", (unsigned)n, (unsigned)elsize, __location__); \
267 #define NDR_PULL_ALLOC_N(ndr, s, n) NDR_PULL_ALLOC_N_SIZE(ndr, s, n, sizeof(*(s)))
270 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
271 (s) = talloc_size(ndr, size); \
272 if (!(s)) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
275 #define NDR_PUSH_ALLOC(ndr, s) NDR_PUSH_ALLOC_SIZE(ndr, s, sizeof(*(s)))
277 /* these are used when generic fn pointers are needed for ndr push/pull fns */
278 typedef NTSTATUS (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
279 typedef NTSTATUS (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
280 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
281 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
283 extern const struct dcerpc_syntax_id ndr_transfer_syntax;
284 extern const struct dcerpc_syntax_id ndr64_transfer_syntax;
286 #include "librpc/gen_ndr/misc.h"
287 #include "librpc/ndr/libndr_proto.h"
289 #endif /* __LIBNDR_H__ */