librpc/ndr/libndr.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    rpc interface definitions
   4
   5    Copyright (C) Andrew Tridgell 2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 /* This is a public header file that is installed as part of Samba.
  22  * If you remove any functions or change their signature, update
  23  * the so version number. */
  24
  25 #ifndef __LIBNDR_H__
  26 #define __LIBNDR_H__
  27
  28 #include <talloc.h>
  29 #include <sys/time.h>
  30 #include "../lib/util/samba_util.h" /* for discard_const */
  31 #include "../lib/util/charset/charset.h"
  32
  33 /*
  34   this provides definitions for the libcli/rpc/ MSRPC library
  35 */
  36
  37
  38 /*
  39   this is used by the token store/retrieve code
  40 */
  41 struct ndr_token_list {
  42         struct ndr_token_list *next, *prev;
  43         const void *key;
  44         uint32_t value;
  45 };
  46
  47 /* this is the base structure passed to routines that
  48    parse MSRPC formatted data
  49
  50    note that in Samba4 we use separate routines and structures for
  51    MSRPC marshalling and unmarshalling. Also note that these routines
  52    are being kept deliberately very simple, and are not tied to a
  53    particular transport
  54 */
  55 struct ndr_pull {
  56         uint32_t flags; /* LIBNDR_FLAG_* */
  57         uint8_t *data;
  58         uint32_t data_size;
  59         uint32_t offset;
  60
  61         uint32_t relative_highest_offset;
  62         uint32_t relative_base_offset;
  63         uint32_t relative_rap_convert;
  64         struct ndr_token_list *relative_base_list;
  65
  66         struct ndr_token_list *relative_list;
  67         struct ndr_token_list *array_size_list;
  68         struct ndr_token_list *array_length_list;
  69         struct ndr_token_list *switch_list;
  70
  71         TALLOC_CTX *current_mem_ctx;
  72
  73         /* this is used to ensure we generate unique reference IDs
  74            between request and reply */
  75         uint32_t ptr_count;
  76 };
  77
  78 /* structure passed to functions that generate NDR formatted data */
  79 struct ndr_push {
  80         uint32_t flags; /* LIBNDR_FLAG_* */
  81         uint8_t *data;
  82         uint32_t alloc_size;
  83         uint32_t offset;
  84
  85         uint32_t relative_base_offset;
  86         uint32_t relative_end_offset;
  87         struct ndr_token_list *relative_base_list;
  88
  89         struct ndr_token_list *switch_list;
  90         struct ndr_token_list *relative_list;
  91         struct ndr_token_list *relative_begin_list;
  92         struct ndr_token_list *nbt_string_list;
  93         struct ndr_token_list *dns_string_list;
  94         struct ndr_token_list *full_ptr_list;
  95
  96         /* this is used to ensure we generate unique reference IDs */
  97         uint32_t ptr_count;
  98 };
  99
 100 /* structure passed to functions that print IDL structures */
 101 struct ndr_print {
 102         uint32_t flags; /* LIBNDR_FLAG_* */
 103         uint32_t depth;
 104         struct ndr_token_list *switch_list;
 105         void (*print)(struct ndr_print *, const char *, ...) PRINTF_ATTRIBUTE(2,3);
 106         void *private_data;
 107         bool no_newline;
 108 };
 109
 110 #define LIBNDR_FLAG_BIGENDIAN  (1<<0)
 111 #define LIBNDR_FLAG_NOALIGN    (1<<1)
 112
 113 #define LIBNDR_FLAG_STR_ASCII           (1<<2)
 114 #define LIBNDR_FLAG_STR_LEN4            (1<<3)
 115 #define LIBNDR_FLAG_STR_SIZE4           (1<<4)
 116 #define LIBNDR_FLAG_STR_NOTERM          (1<<5)
 117 #define LIBNDR_FLAG_STR_NULLTERM        (1<<6)
 118 #define LIBNDR_FLAG_STR_SIZE2           (1<<7)
 119 #define LIBNDR_FLAG_STR_BYTESIZE        (1<<8)
 120 #define LIBNDR_FLAG_STR_CONFORMANT      (1<<10)
 121 #define LIBNDR_FLAG_STR_CHARLEN         (1<<11)
 122 #define LIBNDR_FLAG_STR_UTF8            (1<<12)
 123 #define LIBNDR_FLAG_STR_RAW8            (1<<13)
 124 #define LIBNDR_STRING_FLAGS             (0x7FFC)
 125
 126 /*
 127  * don't debug NDR_ERR_BUFSIZE failures,
 128  * as the available buffer might be incomplete.
 129  *
 130  * return NDR_ERR_INCOMPLETE_BUFFER instead.
 131  */
 132 #define LIBNDR_FLAG_INCOMPLETE_BUFFER (1<<16)
 133
 134 /*
 135  * This lets ndr_pull_subcontext_end() return
 136  * NDR_ERR_UNREAD_BYTES.
 137  */
 138 #define LIBNDR_FLAG_SUBCONTEXT_NO_UNREAD_BYTES (1<<17)
 139
 140 /* set if relative pointers should *not* be marshalled in reverse order */
 141 #define LIBNDR_FLAG_NO_RELATIVE_REVERSE (1<<18)
 142
 143 /* set if relative pointers are marshalled in reverse order */
 144 #define LIBNDR_FLAG_RELATIVE_REVERSE    (1<<19)
 145
 146 #define LIBNDR_FLAG_REF_ALLOC    (1<<20)
 147 #define LIBNDR_FLAG_REMAINING    (1<<21)
 148 #define LIBNDR_FLAG_ALIGN2       (1<<22)
 149 #define LIBNDR_FLAG_ALIGN4       (1<<23)
 150 #define LIBNDR_FLAG_ALIGN8       (1<<24)
 151
 152 #define LIBNDR_ALIGN_FLAGS ( 0        | \
 153                 LIBNDR_FLAG_NOALIGN   | \
 154                 LIBNDR_FLAG_REMAINING | \
 155                 LIBNDR_FLAG_ALIGN2    | \
 156                 LIBNDR_FLAG_ALIGN4    | \
 157                 LIBNDR_FLAG_ALIGN8    | \
 158                 0)
 159
 160 #define LIBNDR_PRINT_ARRAY_HEX   (1<<25)
 161 #define LIBNDR_PRINT_SET_VALUES  (1<<26)
 162
 163 /* used to force a section of IDL to be little-endian */
 164 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
 165
 166 /* used to check if alignment padding is zero */
 167 #define LIBNDR_FLAG_PAD_CHECK     (1<<28)
 168
 169 #define LIBNDR_FLAG_NDR64         (1<<29)
 170
 171 /* set if an object uuid will be present */
 172 #define LIBNDR_FLAG_OBJECT_PRESENT    (1<<30)
 173
 174 /* set to avoid recursion in ndr_size_*() calculation */
 175 #define LIBNDR_FLAG_NO_NDR_SIZE         (1<<31)
 176
 177 /* useful macro for debugging */
 178 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
 179 #define NDR_PRINT_DEBUGC(dbgc_class, type, p) ndr_print_debugc(dbgc_class, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
 180 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 181 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 182 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
 183 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
 184 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
 185
 186 /* useful macro for debugging in strings */
 187 #define NDR_PRINT_STRUCT_STRING(ctx, type, p) ndr_print_struct_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
 188 #define NDR_PRINT_UNION_STRING(ctx, type, level, p) ndr_print_union_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 189 #define NDR_PRINT_FUNCTION_STRING(ctx, type, flags, p) ndr_print_function_string(ctx, (ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 190 #define NDR_PRINT_BOTH_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_BOTH, p)
 191 #define NDR_PRINT_OUT_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_OUT, p)
 192 #define NDR_PRINT_IN_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_IN | NDR_SET_VALUES, p)
 193
 194 #define NDR_BE(ndr) (unlikely(((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN))
 195
 196 enum ndr_err_code {
 197         NDR_ERR_SUCCESS = 0,
 198         NDR_ERR_ARRAY_SIZE,
 199         NDR_ERR_BAD_SWITCH,
 200         NDR_ERR_OFFSET,
 201         NDR_ERR_RELATIVE,
 202         NDR_ERR_CHARCNV,
 203         NDR_ERR_LENGTH,
 204         NDR_ERR_SUBCONTEXT,
 205         NDR_ERR_COMPRESSION,
 206         NDR_ERR_STRING,
 207         NDR_ERR_VALIDATE,
 208         NDR_ERR_BUFSIZE,
 209         NDR_ERR_ALLOC,
 210         NDR_ERR_RANGE,
 211         NDR_ERR_TOKEN,
 212         NDR_ERR_IPV4ADDRESS,
 213         NDR_ERR_IPV6ADDRESS,
 214         NDR_ERR_INVALID_POINTER,
 215         NDR_ERR_UNREAD_BYTES,
 216         NDR_ERR_NDR64,
 217         NDR_ERR_FLAGS,
 218         NDR_ERR_INCOMPLETE_BUFFER
 219 };
 220
 221 #define NDR_ERR_CODE_IS_SUCCESS(x) (x == NDR_ERR_SUCCESS)
 222
 223 #define NDR_ERR_HAVE_NO_MEMORY(x) do { \
 224         if (NULL == (x)) { \
 225                 return NDR_ERR_ALLOC; \
 226         } \
 227 } while (0)
 228
 229 enum ndr_compression_alg {
 230         NDR_COMPRESSION_MSZIP   = 2,
 231         NDR_COMPRESSION_XPRESS  = 3
 232 };
 233
 234 /*
 235   flags passed to control parse flow
 236   These are deliberately in a different range to the NDR_IN/NDR_OUT
 237   flags to catch mixups
 238 */
 239 #define NDR_SCALARS    0x100
 240 #define NDR_BUFFERS    0x200
 241
 242 /*
 243   flags passed to ndr_print_*() and ndr pull/push for functions
 244   These are deliberately in a different range to the NDR_SCALARS/NDR_BUFFERS
 245   flags to catch mixups
 246 */
 247 #define NDR_IN         0x10
 248 #define NDR_OUT        0x20
 249 #define NDR_BOTH       0x30
 250 #define NDR_SET_VALUES 0x40
 251
 252
 253 #define NDR_PULL_CHECK_FLAGS(ndr, ndr_flags) do { \
 254         if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) { \
 255                 return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid pull struct ndr_flags 0x%x", ndr_flags); \
 256         } \
 257 } while (0)
 258
 259 #define NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags) do { \
 260         if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) \
 261                 return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid push struct ndr_flags 0x%x", ndr_flags); \
 262 } while (0)
 263
 264 #define NDR_PULL_CHECK_FN_FLAGS(ndr, flags) do { \
 265         if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) { \
 266                 return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid fn pull flags 0x%x", flags); \
 267         } \
 268 } while (0)
 269
 270 #define NDR_PUSH_CHECK_FN_FLAGS(ndr, flags) do { \
 271         if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) \
 272                 return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid fn push flags 0x%x", flags); \
 273 } while (0)
 274
 275 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
 276         if (unlikely((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size)) { \
 277                 if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
 278                         uint32_t _available = ndr->data_size - ndr->offset; \
 279                         uint32_t _missing = n - _available; \
 280                         ndr->relative_highest_offset = _missing; \
 281                 } \
 282                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u (%s)", (unsigned)n, __location__); \
 283         } \
 284 } while(0)
 285
 286 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
 287
 288 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
 289
 290 #define NDR_PULL_ALIGN(ndr, n) do { \
 291         if (unlikely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {    \
 292                 if (unlikely(ndr->flags & LIBNDR_FLAG_PAD_CHECK)) {     \
 293                         ndr_check_padding(ndr, n); \
 294                 } \
 295                 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
 296         } \
 297         if (unlikely(ndr->offset > ndr->data_size)) {                   \
 298                 if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
 299                         uint32_t _missing = ndr->offset - ndr->data_size; \
 300                         ndr->relative_highest_offset = _missing; \
 301                 } \
 302                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
 303         } \
 304 } while(0)
 305
 306 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, n))
 307
 308 #define NDR_PUSH_ALIGN(ndr, n) do { \
 309         if (likely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {      \
 310                 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
 311                 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
 312         } \
 313 } while(0)
 314
 315 /* these are used to make the error checking on each element in libndr
 316    less tedious, hopefully making the code more readable */
 317 #define NDR_CHECK(call) do { \
 318         enum ndr_err_code _status; \
 319         _status = call; \
 320         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 321                 return _status; \
 322         } \
 323 } while (0)
 324
 325 /* if the call fails then free the ndr pointer */
 326 #define NDR_CHECK_FREE(call) do { \
 327         enum ndr_err_code _status; \
 328         _status = call; \
 329         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 330                 talloc_free(ndr);                \
 331                 return _status; \
 332         } \
 333 } while (0)
 334
 335 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
 336
 337 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
 338         if ( !(flgs) || (ndr->flags & flgs) ) {\
 339                 if (!(mem_ctx)) {\
 340                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
 341                 }\
 342                 ndr->current_mem_ctx = discard_const(mem_ctx);\
 343         }\
 344 } while(0)
 345
 346 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
 347         if (!ndr->current_mem_ctx) {\
 348                 ndr->current_mem_ctx = talloc_new(ndr);\
 349                 if (!ndr->current_mem_ctx) {\
 350                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
 351                 }\
 352         }\
 353 } while(0)
 354
 355 #define NDR_PULL_ALLOC(ndr, s) do { \
 356         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 357         (s) = talloc_ptrtype(ndr->current_mem_ctx, (s)); \
 358         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %s failed: %s\n", # s, __location__); \
 359 } while (0)
 360
 361 #define NDR_PULL_ALLOC_N(ndr, s, n) do { \
 362         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 363         (s) = talloc_array_ptrtype(ndr->current_mem_ctx, (s), n); \
 364         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %s failed: %s\n", (unsigned)n, # s, __location__); \
 365 } while (0)
 366
 367
 368 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
 369        (s) = talloc_array(ndr, uint8_t, size); \
 370        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
 371 } while (0)
 372
 373 #define NDR_PUSH_ALLOC(ndr, s) do { \
 374        (s) = talloc_ptrtype(ndr, (s)); \
 375        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %s failed: %s\n", # s, __location__); \
 376 } while (0)
 377
 378 /* these are used when generic fn pointers are needed for ndr push/pull fns */
 379 typedef enum ndr_err_code (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
 380 typedef enum ndr_err_code (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
 381 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
 382 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
 383
 384 #include "../libcli/util/error.h"
 385 #include "librpc/gen_ndr/misc.h"
 386
 387 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr;
 388 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr64;
 389 extern const struct ndr_syntax_id ndr_syntax_id_null;
 390
 391 struct ndr_interface_call_pipe {
 392         const char *name;
 393         const char *chunk_struct_name;
 394         size_t chunk_struct_size;
 395         ndr_push_flags_fn_t ndr_push;
 396         ndr_pull_flags_fn_t ndr_pull;
 397         ndr_print_fn_t ndr_print;
 398 };
 399
 400 struct ndr_interface_call_pipes {
 401         uint32_t num_pipes;
 402         const struct ndr_interface_call_pipe *pipes;
 403 };
 404
 405 struct ndr_interface_call {
 406         const char *name;
 407         size_t struct_size;
 408         ndr_push_flags_fn_t ndr_push;
 409         ndr_pull_flags_fn_t ndr_pull;
 410         ndr_print_function_t ndr_print;
 411         struct ndr_interface_call_pipes in_pipes;
 412         struct ndr_interface_call_pipes out_pipes;
 413 };
 414
 415 struct ndr_interface_string_array {
 416         uint32_t count;
 417         const char * const *names;
 418 };
 419
 420 struct ndr_interface_table {
 421         const char *name;
 422         struct ndr_syntax_id syntax_id;
 423         const char *helpstring;
 424         uint32_t num_calls;
 425         const struct ndr_interface_call *calls;
 426         const struct ndr_interface_string_array *endpoints;
 427         const struct ndr_interface_string_array *authservices;
 428 };
 429
 430 struct ndr_interface_list {
 431         struct ndr_interface_list *prev, *next;
 432         const struct ndr_interface_table *table;
 433 };
 434
 435 struct sockaddr_storage;
 436
 437 /*********************************************************************
 438  Map an NT error code from a NDR error code.
 439 *********************************************************************/
 440 NTSTATUS ndr_map_error2ntstatus(enum ndr_err_code ndr_err);
 441 int ndr_map_error2errno(enum ndr_err_code ndr_err);
 442 const char *ndr_map_error2string(enum ndr_err_code ndr_err);
 443 #define ndr_errstr ndr_map_error2string
 444
 445 /* FIXME: Use represent_as instead */
 446 struct dom_sid;
 447 enum ndr_err_code ndr_push_dom_sid2(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 448 enum ndr_err_code ndr_pull_dom_sid2(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 449 void ndr_print_dom_sid2(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 450 enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 451 enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 452 void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 453 size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags);
 454 enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 455 enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 456 void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 457 size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags);
 458 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid);
 459 void ndr_print_sockaddr_storage(struct ndr_print *ndr, const char *name, const struct sockaddr_storage *ss);
 460 bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1, const struct ndr_syntax_id *i2);
 461 char *ndr_syntax_id_to_string(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *id);
 462 bool ndr_syntax_id_from_string(const char *s, struct ndr_syntax_id *id);
 463 enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, const void *p, ndr_push_flags_fn_t fn);
 464 enum ndr_err_code ndr_push_union_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_push_flags_fn_t fn);
 465 size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push);
 466 size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push);
 467 uint32_t ndr_push_get_relative_base_offset(struct ndr_push *ndr);
 468 void ndr_push_restore_relative_base_offset(struct ndr_push *ndr, uint32_t offset);
 469 enum ndr_err_code ndr_push_setup_relative_base_offset1(struct ndr_push *ndr, const void *p, uint32_t offset);
 470 enum ndr_err_code ndr_push_setup_relative_base_offset2(struct ndr_push *ndr, const void *p);
 471 enum ndr_err_code ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p);
 472 enum ndr_err_code ndr_push_short_relative_ptr1(struct ndr_push *ndr, const void *p);
 473 enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p);
 474 enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p);
 475 enum ndr_err_code ndr_push_short_relative_ptr2(struct ndr_push *ndr, const void *p);
 476 uint32_t ndr_pull_get_relative_base_offset(struct ndr_pull *ndr);
 477 void ndr_pull_restore_relative_base_offset(struct ndr_pull *ndr, uint32_t offset);
 478 enum ndr_err_code ndr_pull_setup_relative_base_offset1(struct ndr_pull *ndr, const void *p, uint32_t offset);
 479 enum ndr_err_code ndr_pull_setup_relative_base_offset2(struct ndr_pull *ndr, const void *p);
 480 enum ndr_err_code ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset);
 481 enum ndr_err_code ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p);
 482 enum ndr_err_code ndr_pull_relative_ptr_short(struct ndr_pull *ndr, uint16_t *v);
 483 size_t ndr_align_size(uint32_t offset, size_t n);
 484 struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx);
 485 enum ndr_err_code ndr_pull_append(struct ndr_pull *ndr, DATA_BLOB *blob);
 486 enum ndr_err_code ndr_pull_pop(struct ndr_pull *ndr);
 487 enum ndr_err_code ndr_pull_advance(struct ndr_pull *ndr, uint32_t size);
 488 struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx);
 489 DATA_BLOB ndr_push_blob(struct ndr_push *ndr);
 490 enum ndr_err_code ndr_push_expand(struct ndr_push *ndr, uint32_t extra_size);
 491 void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 492 void ndr_print_debugc_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 493 void ndr_print_printf_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 494 void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 495 void ndr_print_debug(ndr_print_fn_t fn, const char *name, void *ptr);
 496 void ndr_print_debugc(int dbgc_class, ndr_print_fn_t fn, const char *name, void *ptr);
 497 void ndr_print_union_debug(ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 498 void ndr_print_function_debug(ndr_print_function_t fn, const char *name, int flags, void *ptr);
 499 char *ndr_print_struct_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, void *ptr);
 500 char *ndr_print_union_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 501 char *ndr_print_function_string(TALLOC_CTX *mem_ctx,
 502                                 ndr_print_function_t fn, const char *name,
 503                                 int flags, void *ptr);
 504 void ndr_set_flags(uint32_t *pflags, uint32_t new_flags);
 505 enum ndr_err_code ndr_pull_error(struct ndr_pull *ndr,
 506                                  enum ndr_err_code ndr_err,
 507                                  const char *format, ...) PRINTF_ATTRIBUTE(3,4);
 508 enum ndr_err_code ndr_push_error(struct ndr_push *ndr,
 509                                  enum ndr_err_code ndr_err,
 510                                  const char *format, ...)  PRINTF_ATTRIBUTE(3,4);
 511 enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
 512                                    struct ndr_pull **_subndr,
 513                                    size_t header_size,
 514                                    ssize_t size_is);
 515 enum ndr_err_code ndr_pull_subcontext_end(struct ndr_pull *ndr,
 516                                  struct ndr_pull *subndr,
 517                                  size_t header_size,
 518                                  ssize_t size_is);
 519 enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
 520                                    struct ndr_push **_subndr,
 521                                    size_t header_size,
 522                                    ssize_t size_is);
 523 enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
 524                                  struct ndr_push *subndr,
 525                                  size_t header_size,
 526                                  ssize_t size_is);
 527 enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
 528                          struct ndr_token_list **list,
 529                          const void *key,
 530                          uint32_t value);
 531 enum ndr_err_code ndr_token_retrieve_cmp_fn(struct ndr_token_list **list, const void *key, uint32_t *v, int(*_cmp_fn)(const void*,const void*), bool _remove_tok);
 532 enum ndr_err_code ndr_token_retrieve(struct ndr_token_list **list, const void *key, uint32_t *v);
 533 uint32_t ndr_token_peek(struct ndr_token_list **list, const void *key);
 534 enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p);
 535 uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p);
 536 enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size);
 537 enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p);
 538 uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p);
 539 enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length);
 540 enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count);
 541 enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count);
 542 enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val);
 543 enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val);
 544 enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val);
 545 uint32_t ndr_push_get_switch_value(struct ndr_push *ndr, const void *p);
 546 uint32_t ndr_pull_get_switch_value(struct ndr_pull *ndr, const void *p);
 547 uint32_t ndr_print_get_switch_value(struct ndr_print *ndr, const void *p);
 548 enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
 549 enum ndr_err_code ndr_pull_struct_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
 550 enum ndr_err_code ndr_pull_union_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_pull_flags_fn_t fn);
 551 enum ndr_err_code ndr_pull_union_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, uint32_t level, ndr_pull_flags_fn_t fn);
 552
 553 /* from libndr_basic.h */
 554 #define NDR_SCALAR_PROTO(name, type) \
 555 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, type v); \
 556 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 557 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, type v);
 558
 559 #define NDR_SCALAR_PTR_PROTO(name, type) \
 560 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
 561 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type **v); \
 562 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
 563
 564 #define NDR_BUFFER_PROTO(name, type) \
 565 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
 566 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 567 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
 568
 569 NDR_SCALAR_PROTO(uint8, uint8_t)
 570 NDR_SCALAR_PROTO(int8, int8_t)
 571 NDR_SCALAR_PROTO(uint16, uint16_t)
 572 NDR_SCALAR_PROTO(int16, int16_t)
 573 NDR_SCALAR_PROTO(uint1632, uint16_t)
 574 NDR_SCALAR_PROTO(uint32, uint32_t)
 575 NDR_SCALAR_PROTO(uint3264, uint32_t)
 576 NDR_SCALAR_PROTO(int32, int32_t)
 577 NDR_SCALAR_PROTO(int3264, int32_t)
 578 NDR_SCALAR_PROTO(udlong, uint64_t)
 579 NDR_SCALAR_PROTO(udlongr, uint64_t)
 580 NDR_SCALAR_PROTO(dlong, int64_t)
 581 NDR_SCALAR_PROTO(hyper, uint64_t)
 582 NDR_SCALAR_PROTO(pointer, void *)
 583 NDR_SCALAR_PROTO(time_t, time_t)
 584 NDR_SCALAR_PROTO(uid_t, uid_t)
 585 NDR_SCALAR_PROTO(gid_t, gid_t)
 586 NDR_SCALAR_PROTO(NTSTATUS, NTSTATUS)
 587 NDR_SCALAR_PROTO(WERROR, WERROR)
 588 NDR_SCALAR_PROTO(HRESULT, HRESULT)
 589 NDR_SCALAR_PROTO(NTTIME, NTTIME)
 590 NDR_SCALAR_PROTO(NTTIME_1sec, NTTIME)
 591 NDR_SCALAR_PROTO(NTTIME_hyper, NTTIME)
 592 NDR_SCALAR_PROTO(DATA_BLOB, DATA_BLOB)
 593 NDR_SCALAR_PROTO(ipv4address, const char *)
 594 NDR_SCALAR_PROTO(ipv6address, const char *)
 595 NDR_SCALAR_PROTO(string, const char *)
 596 NDR_SCALAR_PROTO(double, double)
 597
 598 enum ndr_err_code ndr_pull_policy_handle(struct ndr_pull *ndr, int ndr_flags, struct policy_handle *r);
 599 enum ndr_err_code ndr_push_policy_handle(struct ndr_push *ndr, int ndr_flags, const struct policy_handle *r);
 600 void ndr_print_policy_handle(struct ndr_print *ndr, const char *name, const struct policy_handle *r);
 601 bool ndr_policy_handle_empty(const struct policy_handle *h);
 602 #define is_valid_policy_hnd(hnd) (!ndr_policy_handle_empty(hnd))
 603 bool ndr_policy_handle_equal(const struct policy_handle *hnd1,
 604                          const struct policy_handle *hnd2);
 605
 606 void ndr_check_padding(struct ndr_pull *ndr, size_t n);
 607 enum ndr_err_code ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v);
 608 enum ndr_err_code ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v);
 609 enum ndr_err_code ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n);
 610 enum ndr_err_code ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n);
 611 enum ndr_err_code ndr_push_align(struct ndr_push *ndr, size_t size);
 612 enum ndr_err_code ndr_pull_align(struct ndr_pull *ndr, size_t size);
 613 enum ndr_err_code ndr_push_union_align(struct ndr_push *ndr, size_t size);
 614 enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t size);
 615 enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size);
 616 enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size);
 617 enum ndr_err_code ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n);
 618 enum ndr_err_code ndr_push_zero(struct ndr_push *ndr, uint32_t n);
 619 enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n);
 620 enum ndr_err_code ndr_push_unique_ptr(struct ndr_push *ndr, const void *p);
 621 enum ndr_err_code ndr_push_full_ptr(struct ndr_push *ndr, const void *p);
 622 enum ndr_err_code ndr_push_ref_ptr(struct ndr_push *ndr);
 623 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type);
 624 void ndr_print_null(struct ndr_print *ndr);
 625 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type, const char *val, uint32_t value);
 626 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 627 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 628 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p);
 629 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type);
 630 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level);
 631 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name, const uint8_t *data, uint32_t count);
 632 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags);
 633
 634 /* strings */
 635 uint32_t ndr_charset_length(const void *var, charset_t chset);
 636 size_t ndr_string_array_size(struct ndr_push *ndr, const char *s);
 637 uint32_t ndr_size_string(int ret, const char * const* string, int flags);
 638 enum ndr_err_code ndr_pull_string_array(struct ndr_pull *ndr, int ndr_flags, const char ***_a);
 639 enum ndr_err_code ndr_push_string_array(struct ndr_push *ndr, int ndr_flags, const char **a);
 640 void ndr_print_string_array(struct ndr_print *ndr, const char *name, const char **a);
 641 size_t ndr_size_string_array(const char **a, uint32_t count, int flags);
 642 uint32_t ndr_string_length(const void *_var, uint32_t element_size);
 643 enum ndr_err_code ndr_check_string_terminator(struct ndr_pull *ndr, uint32_t count, uint32_t element_size);
 644 enum ndr_err_code ndr_pull_charset(struct ndr_pull *ndr, int ndr_flags, const char **var, uint32_t length, uint8_t byte_mul, charset_t chset);
 645 enum ndr_err_code ndr_pull_charset_to_null(struct ndr_pull *ndr, int ndr_flags, const char **var, uint32_t length, uint8_t byte_mul, charset_t chset);
 646 enum ndr_err_code ndr_push_charset(struct ndr_push *ndr, int ndr_flags, const char *var, uint32_t length, uint8_t byte_mul, charset_t chset);
 647
 648 /* GUIDs */
 649 bool GUID_equal(const struct GUID *u1, const struct GUID *u2);
 650 NTSTATUS GUID_to_ndr_blob(const struct GUID *guid, TALLOC_CTX *mem_ctx, DATA_BLOB *b);
 651 NTSTATUS GUID_from_ndr_blob(const DATA_BLOB *b, struct GUID *guid);
 652 NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid);
 653 NTSTATUS GUID_from_string(const char *s, struct GUID *guid);
 654 struct GUID GUID_zero(void);
 655 bool GUID_all_zero(const struct GUID *u);
 656 int GUID_compare(const struct GUID *u1, const struct GUID *u2);
 657 char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 658 char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 659 char *GUID_hexstring(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 660 struct GUID GUID_random(void);
 661
 662 /* Format is "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" */
 663  /* 32 chars + 4 ' ' + \0 + 2 for adding {}  */
 664 struct GUID_txt_buf { char buf[39]; };
 665 _PUBLIC_ char* GUID_buf_string(const struct GUID *guid,
 666                                struct GUID_txt_buf *dst);
 667
 668 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v);
 669 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 670 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v);
 671 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint1632(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 672 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v);
 673 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 674 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v);
 675 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint1632(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 676
 677 _PUBLIC_ void ndr_print_bool(struct ndr_print *ndr, const char *name, const bool b);
 678
 679 _PUBLIC_ enum ndr_err_code ndr_push_timespec(struct ndr_push *ndr,
 680                                              int ndr_flags,
 681                                              const struct timespec *t);
 682 _PUBLIC_ enum ndr_err_code ndr_pull_timespec(struct ndr_pull *ndr,
 683                                              int ndr_flags,
 684                                              struct timespec *t);
 685 _PUBLIC_ void ndr_print_timespec(struct ndr_print *ndr, const char *name,
 686                                  const struct timespec *t);
 687
 688 _PUBLIC_ enum ndr_err_code ndr_push_timeval(struct ndr_push *ndr,
 689                                             int ndr_flags,
 690                                             const struct timeval *t);
 691 _PUBLIC_ enum ndr_err_code ndr_pull_timeval(struct ndr_pull *ndr,
 692                                             int ndr_flags,
 693                                             struct timeval *t);
 694 _PUBLIC_ void ndr_print_timeval(struct ndr_print *ndr, const char *name,
 695                                 const struct timeval *t);
 696
 697
 698
 699 #endif /* __LIBNDR_H__ */