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 "../lib/util/memory.h" /* for discard_const */
  30 #include "../lib/util/byteorder.h"
  31 #include "../lib/util/data_blob.h"
  32 #include "../lib/util/time.h"
  33 #include "../lib/util/charset/charset.h"
  34
  35 /*
  36   this provides definitions for the libcli/rpc/ MSRPC library
  37 */
  38
  39
  40 /*
  41   We store the token mapping in an array that is resized as necessary.
  42 */
  43 struct ndr_token;
  44
  45 struct ndr_token_list {
  46         struct ndr_token *tokens;
  47         uint32_t count;
  48 };
  49
  50 struct ndr_compression_state;
  51
  52 /* this is the base structure passed to routines that
  53    parse MSRPC formatted data
  54
  55    note that in Samba4 we use separate routines and structures for
  56    MSRPC marshalling and unmarshalling. Also note that these routines
  57    are being kept deliberately very simple, and are not tied to a
  58    particular transport
  59 */
  60 struct ndr_pull {
  61         uint32_t flags; /* LIBNDR_FLAG_* */
  62         uint8_t *data;
  63         uint32_t data_size;
  64         uint32_t offset;
  65
  66         uint32_t relative_highest_offset;
  67         uint32_t relative_base_offset;
  68         uint32_t relative_rap_convert;
  69         struct ndr_token_list relative_base_list;
  70
  71         struct ndr_token_list relative_list;
  72         struct ndr_token_list array_size_list;
  73         struct ndr_token_list array_length_list;
  74         struct ndr_token_list switch_list;
  75
  76         struct ndr_compression_state *cstate;
  77
  78         TALLOC_CTX *current_mem_ctx;
  79
  80         /* this is used to ensure we generate unique reference IDs
  81            between request and reply */
  82         uint32_t ptr_count;
  83 };
  84
  85 /* structure passed to functions that generate NDR formatted data */
  86 struct ndr_push {
  87         uint32_t flags; /* LIBNDR_FLAG_* */
  88         uint8_t *data;
  89         uint32_t alloc_size;
  90         uint32_t offset;
  91         bool fixed_buf_size;
  92
  93         uint32_t relative_base_offset;
  94         uint32_t relative_end_offset;
  95         struct ndr_token_list relative_base_list;
  96
  97         struct ndr_token_list switch_list;
  98         struct ndr_token_list relative_list;
  99         struct ndr_token_list relative_begin_list;
 100         struct ndr_token_list nbt_string_list;
 101         struct ndr_token_list dns_string_list;
 102         struct ndr_token_list full_ptr_list;
 103
 104         struct ndr_compression_state *cstate;
 105
 106         /* this is used to ensure we generate unique reference IDs */
 107         uint32_t ptr_count;
 108 };
 109
 110 /* structure passed to functions that print IDL structures */
 111 struct ndr_print {
 112         uint32_t flags; /* LIBNDR_FLAG_* */
 113         uint32_t depth;
 114         struct ndr_token_list switch_list;
 115         void (*print)(struct ndr_print *, const char *, ...) PRINTF_ATTRIBUTE(2,3);
 116         void *private_data;
 117         bool no_newline;
 118         bool print_secrets;
 119 };
 120
 121 #define LIBNDR_FLAG_BIGENDIAN  (1<<0)
 122 #define LIBNDR_FLAG_NOALIGN    (1<<1)
 123
 124 #define LIBNDR_FLAG_STR_ASCII           (1<<2)
 125 #define LIBNDR_FLAG_STR_LEN4            (1<<3)
 126 #define LIBNDR_FLAG_STR_SIZE4           (1<<4)
 127 #define LIBNDR_FLAG_STR_NOTERM          (1<<5)
 128 #define LIBNDR_FLAG_STR_NULLTERM        (1<<6)
 129 #define LIBNDR_FLAG_STR_SIZE2           (1<<7)
 130 #define LIBNDR_FLAG_STR_BYTESIZE        (1<<8)
 131 #define LIBNDR_FLAG_STR_CONFORMANT      (1<<10)
 132 #define LIBNDR_FLAG_STR_CHARLEN         (1<<11)
 133 #define LIBNDR_FLAG_STR_UTF8            (1<<12)
 134 #define LIBNDR_FLAG_STR_RAW8            (1<<13)
 135 #define LIBNDR_STRING_FLAGS             (0 | \
 136                 LIBNDR_FLAG_STR_ASCII | \
 137                 LIBNDR_FLAG_STR_LEN4 | \
 138                 LIBNDR_FLAG_STR_SIZE4 | \
 139                 LIBNDR_FLAG_STR_NOTERM | \
 140                 LIBNDR_FLAG_STR_NULLTERM | \
 141                 LIBNDR_FLAG_STR_SIZE2 | \
 142                 LIBNDR_FLAG_STR_BYTESIZE | \
 143                 LIBNDR_FLAG_STR_CONFORMANT | \
 144                 LIBNDR_FLAG_STR_CHARLEN | \
 145                 LIBNDR_FLAG_STR_UTF8 | \
 146                 LIBNDR_FLAG_STR_RAW8 | \
 147                 0)
 148
 149 /*
 150  * Mark an element as SECRET, it won't be printed by
 151  * via ndr_print* unless NDR_PRINT_SECRETS is specified.
 152  */
 153 #define LIBNDR_FLAG_IS_SECRET           (1<<14)
 154
 155 /* Disable string token compression  */
 156 #define LIBNDR_FLAG_NO_COMPRESSION      (1<<15)
 157
 158 /*
 159  * don't debug NDR_ERR_BUFSIZE failures,
 160  * as the available buffer might be incomplete.
 161  *
 162  * return NDR_ERR_INCOMPLETE_BUFFER instead.
 163  */
 164 #define LIBNDR_FLAG_INCOMPLETE_BUFFER (1<<16)
 165
 166 /*
 167  * This lets ndr_pull_subcontext_end() return
 168  * NDR_ERR_UNREAD_BYTES.
 169  */
 170 #define LIBNDR_FLAG_SUBCONTEXT_NO_UNREAD_BYTES (1<<17)
 171
 172 /* set if relative pointers should *not* be marshalled in reverse order */
 173 #define LIBNDR_FLAG_NO_RELATIVE_REVERSE (1<<18)
 174
 175 /* set if relative pointers are marshalled in reverse order */
 176 #define LIBNDR_FLAG_RELATIVE_REVERSE    (1<<19)
 177
 178 #define LIBNDR_FLAG_REF_ALLOC    (1<<20)
 179 #define LIBNDR_FLAG_REMAINING    (1<<21)
 180 #define LIBNDR_FLAG_ALIGN2       (1<<22)
 181 #define LIBNDR_FLAG_ALIGN4       (1<<23)
 182 #define LIBNDR_FLAG_ALIGN8       (1<<24)
 183
 184 #define LIBNDR_ALIGN_FLAGS ( 0        | \
 185                 LIBNDR_FLAG_NOALIGN   | \
 186                 LIBNDR_FLAG_REMAINING | \
 187                 LIBNDR_FLAG_ALIGN2    | \
 188                 LIBNDR_FLAG_ALIGN4    | \
 189                 LIBNDR_FLAG_ALIGN8    | \
 190                 0)
 191
 192 #define LIBNDR_PRINT_ARRAY_HEX   (1<<25)
 193 #define LIBNDR_PRINT_SET_VALUES  (1<<26)
 194
 195 /* used to force a section of IDL to be little-endian */
 196 #define LIBNDR_FLAG_LITTLE_ENDIAN (1<<27)
 197
 198 /* used to check if alignment padding is zero */
 199 #define LIBNDR_FLAG_PAD_CHECK     (1<<28)
 200
 201 #define LIBNDR_FLAG_NDR64         (1<<29)
 202
 203 /* set if an object uuid will be present */
 204 #define LIBNDR_FLAG_OBJECT_PRESENT    (1<<30)
 205
 206 /* set to avoid recursion in ndr_size_*() calculation */
 207 #define LIBNDR_FLAG_NO_NDR_SIZE         (1<<31)
 208
 209 /* useful macro for debugging */
 210 #define NDR_PRINT_DEBUG(type, p) ndr_print_debug((ndr_print_fn_t)ndr_print_ ##type, #p, p)
 211 #define NDR_PRINT_DEBUGC(dbgc_class, type, p) ndr_print_debugc(dbgc_class, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
 212 #define NDR_PRINT_UNION_DEBUG(type, level, p) ndr_print_union_debug((ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 213 #define NDR_PRINT_FUNCTION_DEBUG(type, flags, p) ndr_print_function_debug((ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 214 #define NDR_PRINT_BOTH_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_BOTH, p)
 215 #define NDR_PRINT_OUT_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_OUT, p)
 216 #define NDR_PRINT_IN_DEBUG(type, p) NDR_PRINT_FUNCTION_DEBUG(type, NDR_IN | NDR_SET_VALUES, p)
 217
 218 /* useful macro for debugging in strings */
 219 #define NDR_PRINT_STRUCT_STRING(ctx, type, p) ndr_print_struct_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, p)
 220 #define NDR_PRINT_UNION_STRING(ctx, type, level, p) ndr_print_union_string(ctx, (ndr_print_fn_t)ndr_print_ ##type, #p, level, p)
 221 #define NDR_PRINT_FUNCTION_STRING(ctx, type, flags, p) ndr_print_function_string(ctx, (ndr_print_function_t)ndr_print_ ##type, #type, flags, p)
 222 #define NDR_PRINT_BOTH_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_BOTH, p)
 223 #define NDR_PRINT_OUT_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_OUT, p)
 224 #define NDR_PRINT_IN_STRING(ctx, type, p) NDR_PRINT_FUNCTION_STRING(ctx, type, NDR_IN | NDR_SET_VALUES, p)
 225
 226 #define NDR_HIDE_SECRET(ndr) \
 227         (unlikely(((ndr)->flags & LIBNDR_FLAG_IS_SECRET) && !(ndr)->print_secrets))
 228
 229 #define NDR_BE(ndr) (unlikely(((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN))
 230
 231 enum ndr_err_code {
 232         NDR_ERR_SUCCESS = 0,
 233         NDR_ERR_ARRAY_SIZE,
 234         NDR_ERR_BAD_SWITCH,
 235         NDR_ERR_OFFSET,
 236         NDR_ERR_RELATIVE,
 237         NDR_ERR_CHARCNV,
 238         NDR_ERR_LENGTH,
 239         NDR_ERR_SUBCONTEXT,
 240         NDR_ERR_COMPRESSION,
 241         NDR_ERR_STRING,
 242         NDR_ERR_VALIDATE,
 243         NDR_ERR_BUFSIZE,
 244         NDR_ERR_ALLOC,
 245         NDR_ERR_RANGE,
 246         NDR_ERR_TOKEN,
 247         NDR_ERR_IPV4ADDRESS,
 248         NDR_ERR_IPV6ADDRESS,
 249         NDR_ERR_INVALID_POINTER,
 250         NDR_ERR_UNREAD_BYTES,
 251         NDR_ERR_NDR64,
 252         NDR_ERR_FLAGS,
 253         NDR_ERR_INCOMPLETE_BUFFER
 254 };
 255
 256 #define NDR_ERR_CODE_IS_SUCCESS(x) (x == NDR_ERR_SUCCESS)
 257
 258 #define NDR_ERR_HAVE_NO_MEMORY(x) do { \
 259         if (NULL == (x)) { \
 260                 return NDR_ERR_ALLOC; \
 261         } \
 262 } while (0)
 263
 264 enum ndr_compression_alg {
 265         NDR_COMPRESSION_MSZIP   = 2,
 266         NDR_COMPRESSION_XPRESS  = 3
 267 };
 268
 269 /*
 270   flags passed to control parse flow
 271   These are deliberately in a different range to the NDR_IN/NDR_OUT
 272   flags to catch mixups
 273 */
 274 #define NDR_SCALARS    0x100
 275 #define NDR_BUFFERS    0x200
 276
 277 /*
 278   flags passed to ndr_print_*() and ndr pull/push for functions
 279   These are deliberately in a different range to the NDR_SCALARS/NDR_BUFFERS
 280   flags to catch mixups
 281 */
 282 #define NDR_IN         0x10
 283 #define NDR_OUT        0x20
 284 #define NDR_BOTH       0x30
 285 #define NDR_SET_VALUES 0x40
 286
 287
 288 #define NDR_PULL_CHECK_FLAGS(ndr, ndr_flags) do { \
 289         if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) { \
 290                 return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid pull struct ndr_flags 0x%x", ndr_flags); \
 291         } \
 292 } while (0)
 293
 294 #define NDR_PUSH_CHECK_FLAGS(ndr, ndr_flags) do { \
 295         if ((ndr_flags) & ~(NDR_SCALARS|NDR_BUFFERS)) \
 296                 return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid push struct ndr_flags 0x%x", ndr_flags); \
 297 } while (0)
 298
 299 #define NDR_PULL_CHECK_FN_FLAGS(ndr, flags) do { \
 300         if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) { \
 301                 return ndr_pull_error(ndr, NDR_ERR_FLAGS, "Invalid fn pull flags 0x%x", flags); \
 302         } \
 303 } while (0)
 304
 305 #define NDR_PUSH_CHECK_FN_FLAGS(ndr, flags) do { \
 306         if ((flags) & ~(NDR_BOTH|NDR_SET_VALUES)) \
 307                 return ndr_push_error(ndr, NDR_ERR_FLAGS, "Invalid fn push flags 0x%x", flags); \
 308 } while (0)
 309
 310 #define NDR_PULL_NEED_BYTES(ndr, n) do { \
 311         if (unlikely((n) > ndr->data_size || ndr->offset + (n) > ndr->data_size)) { \
 312                 if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
 313                         uint32_t _available = ndr->data_size - ndr->offset; \
 314                         uint32_t _missing = n - _available; \
 315                         ndr->relative_highest_offset = _missing; \
 316                 } \
 317                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull bytes %u (%s)", (unsigned)n, __location__); \
 318         } \
 319 } while(0)
 320
 321 #define NDR_ALIGN(ndr, n) ndr_align_size(ndr->offset, n)
 322
 323 #define NDR_ROUND(size, n) (((size)+((n)-1)) & ~((n)-1))
 324
 325 #define NDR_PULL_ALIGN(ndr, n) do { \
 326         if (unlikely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {    \
 327                 if (unlikely(ndr->flags & LIBNDR_FLAG_PAD_CHECK)) {     \
 328                         ndr_check_padding(ndr, n); \
 329                 } \
 330                 ndr->offset = (ndr->offset + (n-1)) & ~(n-1); \
 331         } \
 332         if (unlikely(ndr->offset > ndr->data_size)) {                   \
 333                 if (ndr->flags & LIBNDR_FLAG_INCOMPLETE_BUFFER) { \
 334                         uint32_t _missing = ndr->offset - ndr->data_size; \
 335                         ndr->relative_highest_offset = _missing; \
 336                 } \
 337                 return ndr_pull_error(ndr, NDR_ERR_BUFSIZE, "Pull align %u", (unsigned)n); \
 338         } \
 339 } while(0)
 340
 341 #define NDR_PUSH_NEED_BYTES(ndr, n) NDR_CHECK(ndr_push_expand(ndr, n))
 342
 343 #define NDR_PUSH_ALIGN(ndr, n) do { \
 344         if (likely(!(ndr->flags & LIBNDR_FLAG_NOALIGN))) {      \
 345                 uint32_t _pad = ((ndr->offset + (n-1)) & ~(n-1)) - ndr->offset; \
 346                 while (_pad--) NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 0)); \
 347         } \
 348 } while(0)
 349
 350 /* these are used to make the error checking on each element in libndr
 351    less tedious, hopefully making the code more readable */
 352 #define NDR_CHECK(call) do { \
 353         enum ndr_err_code _status; \
 354         _status = call; \
 355         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 356                 return _status; \
 357         } \
 358 } while (0)
 359
 360 /* if the call fails then free the ndr pointer */
 361 #define NDR_CHECK_FREE(call) do { \
 362         enum ndr_err_code _status; \
 363         _status = call; \
 364         if (unlikely(!NDR_ERR_CODE_IS_SUCCESS(_status))) {      \
 365                 talloc_free(ndr);                \
 366                 return _status; \
 367         } \
 368 } while (0)
 369
 370 #define NDR_PULL_GET_MEM_CTX(ndr) (ndr->current_mem_ctx)
 371
 372 #define NDR_PULL_SET_MEM_CTX(ndr, mem_ctx, flgs) do {\
 373         if ( !(flgs) || (ndr->flags & flgs) ) {\
 374                 if (!(mem_ctx)) {\
 375                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "NDR_PULL_SET_MEM_CTX(NULL): %s\n", __location__); \
 376                 }\
 377                 ndr->current_mem_ctx = discard_const(mem_ctx);\
 378         }\
 379 } while(0)
 380
 381 #define _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr) do {\
 382         if (!ndr->current_mem_ctx) {\
 383                 ndr->current_mem_ctx = talloc_new(ndr);\
 384                 if (!ndr->current_mem_ctx) {\
 385                         return ndr_pull_error(ndr, NDR_ERR_ALLOC, "_NDR_PULL_FIX_CURRENT_MEM_CTX() failed: %s\n", __location__); \
 386                 }\
 387         }\
 388 } while(0)
 389
 390 #define NDR_PULL_ALLOC(ndr, s) do { \
 391         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 392         (s) = talloc_ptrtype(ndr->current_mem_ctx, (s)); \
 393         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %s failed: %s\n", # s, __location__); \
 394 } while (0)
 395
 396 #define NDR_PULL_ALLOC_N(ndr, s, n) do { \
 397         _NDR_PULL_FIX_CURRENT_MEM_CTX(ndr);\
 398         (s) = talloc_array_ptrtype(ndr->current_mem_ctx, (s), n); \
 399         if (unlikely(!(s))) return ndr_pull_error(ndr, NDR_ERR_ALLOC, "Alloc %u * %s failed: %s\n", (unsigned)n, # s, __location__); \
 400 } while (0)
 401
 402
 403 #define NDR_PUSH_ALLOC_SIZE(ndr, s, size) do { \
 404        (s) = talloc_array(ndr, uint8_t, size); \
 405        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %u failed: %s\n", (unsigned)size, __location__); \
 406 } while (0)
 407
 408 #define NDR_PUSH_ALLOC(ndr, s) do { \
 409        (s) = talloc_ptrtype(ndr, (s)); \
 410        if (unlikely(!(s))) return ndr_push_error(ndr, NDR_ERR_ALLOC, "push alloc %s failed: %s\n", # s, __location__); \
 411 } while (0)
 412
 413 /* these are used when generic fn pointers are needed for ndr push/pull fns */
 414 typedef enum ndr_err_code (*ndr_push_flags_fn_t)(struct ndr_push *, int ndr_flags, const void *);
 415 typedef enum ndr_err_code (*ndr_pull_flags_fn_t)(struct ndr_pull *, int ndr_flags, void *);
 416 typedef void (*ndr_print_fn_t)(struct ndr_print *, const char *, const void *);
 417 typedef void (*ndr_print_function_t)(struct ndr_print *, const char *, int, const void *);
 418
 419 #include "../libcli/util/error.h"
 420 #include "librpc/gen_ndr/misc.h"
 421
 422 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr;
 423 extern const struct ndr_syntax_id ndr_transfer_syntax_ndr64;
 424 extern const struct ndr_syntax_id ndr_syntax_id_null;
 425
 426 struct ndr_interface_call_pipe {
 427         const char *name;
 428         const char *chunk_struct_name;
 429         size_t chunk_struct_size;
 430         ndr_push_flags_fn_t ndr_push;
 431         ndr_pull_flags_fn_t ndr_pull;
 432         ndr_print_fn_t ndr_print;
 433 };
 434
 435 struct ndr_interface_call_pipes {
 436         uint32_t num_pipes;
 437         const struct ndr_interface_call_pipe *pipes;
 438 };
 439
 440 struct ndr_interface_call {
 441         const char *name;
 442         size_t struct_size;
 443         ndr_push_flags_fn_t ndr_push;
 444         ndr_pull_flags_fn_t ndr_pull;
 445         ndr_print_function_t ndr_print;
 446         struct ndr_interface_call_pipes in_pipes;
 447         struct ndr_interface_call_pipes out_pipes;
 448 };
 449
 450 struct ndr_interface_string_array {
 451         uint32_t count;
 452         const char * const *names;
 453 };
 454
 455 struct ndr_interface_table {
 456         const char *name;
 457         struct ndr_syntax_id syntax_id;
 458         const char *helpstring;
 459         uint32_t num_calls;
 460         const struct ndr_interface_call *calls;
 461         const struct ndr_interface_string_array *endpoints;
 462         const struct ndr_interface_string_array *authservices;
 463 };
 464
 465 struct ndr_interface_list {
 466         struct ndr_interface_list *prev, *next;
 467         const struct ndr_interface_table *table;
 468 };
 469
 470 struct sockaddr_storage;
 471
 472 /*********************************************************************
 473  Map an NT error code from a NDR error code.
 474 *********************************************************************/
 475 NTSTATUS ndr_map_error2ntstatus(enum ndr_err_code ndr_err);
 476 int ndr_map_error2errno(enum ndr_err_code ndr_err);
 477 const char *ndr_map_error2string(enum ndr_err_code ndr_err);
 478 #define ndr_errstr ndr_map_error2string
 479
 480 /* FIXME: Use represent_as instead */
 481 struct dom_sid;
 482 enum ndr_err_code ndr_push_dom_sid2(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 483 enum ndr_err_code ndr_pull_dom_sid2(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 484 void ndr_print_dom_sid2(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 485 enum ndr_err_code ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 486 enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 487 void ndr_print_dom_sid28(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 488 size_t ndr_size_dom_sid28(const struct dom_sid *sid, int flags);
 489 enum ndr_err_code ndr_push_dom_sid0(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid);
 490 enum ndr_err_code ndr_pull_dom_sid0(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid);
 491 void ndr_print_dom_sid0(struct ndr_print *ndr, const char *name, const struct dom_sid *sid);
 492 size_t ndr_size_dom_sid0(const struct dom_sid *sid, int flags);
 493 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid);
 494 void ndr_print_sockaddr_storage(struct ndr_print *ndr, const char *name, const struct sockaddr_storage *ss);
 495 bool ndr_syntax_id_equal(const struct ndr_syntax_id *i1, const struct ndr_syntax_id *i2);
 496 char *ndr_syntax_id_to_string(TALLOC_CTX *mem_ctx, const struct ndr_syntax_id *id);
 497 bool ndr_syntax_id_from_string(const char *s, struct ndr_syntax_id *id);
 498 enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, const void *p, ndr_push_flags_fn_t fn);
 499 enum ndr_err_code ndr_push_struct_into_fixed_blob(DATA_BLOB *blob,
 500                                                   const void *p,
 501                                                   ndr_push_flags_fn_t fn);
 502 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);
 503 size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push);
 504 size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push);
 505 uint32_t ndr_push_get_relative_base_offset(struct ndr_push *ndr);
 506 void ndr_push_restore_relative_base_offset(struct ndr_push *ndr, uint32_t offset);
 507 enum ndr_err_code ndr_push_setup_relative_base_offset1(struct ndr_push *ndr, const void *p, uint32_t offset);
 508 enum ndr_err_code ndr_push_setup_relative_base_offset2(struct ndr_push *ndr, const void *p);
 509 enum ndr_err_code ndr_push_relative_ptr1(struct ndr_push *ndr, const void *p);
 510 enum ndr_err_code ndr_push_short_relative_ptr1(struct ndr_push *ndr, const void *p);
 511 enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p);
 512 enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p);
 513 enum ndr_err_code ndr_push_short_relative_ptr2(struct ndr_push *ndr, const void *p);
 514 uint32_t ndr_pull_get_relative_base_offset(struct ndr_pull *ndr);
 515 void ndr_pull_restore_relative_base_offset(struct ndr_pull *ndr, uint32_t offset);
 516 enum ndr_err_code ndr_pull_setup_relative_base_offset1(struct ndr_pull *ndr, const void *p, uint32_t offset);
 517 enum ndr_err_code ndr_pull_setup_relative_base_offset2(struct ndr_pull *ndr, const void *p);
 518 enum ndr_err_code ndr_pull_relative_ptr1(struct ndr_pull *ndr, const void *p, uint32_t rel_offset);
 519 enum ndr_err_code ndr_pull_relative_ptr2(struct ndr_pull *ndr, const void *p);
 520 enum ndr_err_code ndr_pull_relative_ptr_short(struct ndr_pull *ndr, uint16_t *v);
 521 size_t ndr_align_size(uint32_t offset, size_t n);
 522 struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx);
 523 enum ndr_err_code ndr_pull_append(struct ndr_pull *ndr, DATA_BLOB *blob);
 524 enum ndr_err_code ndr_pull_pop(struct ndr_pull *ndr);
 525 enum ndr_err_code ndr_pull_advance(struct ndr_pull *ndr, uint32_t size);
 526 struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx);
 527 DATA_BLOB ndr_push_blob(struct ndr_push *ndr);
 528 enum ndr_err_code ndr_push_expand(struct ndr_push *ndr, uint32_t extra_size);
 529 void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 530 void ndr_print_debugc_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 531 void ndr_print_printf_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 532 void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
 533 void ndr_print_debug(ndr_print_fn_t fn, const char *name, void *ptr);
 534 void ndr_print_debugc(int dbgc_class, ndr_print_fn_t fn, const char *name, void *ptr);
 535 void ndr_print_union_debug(ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 536 void ndr_print_function_debug(ndr_print_function_t fn, const char *name, int flags, void *ptr);
 537 char *ndr_print_struct_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, void *ptr);
 538 char *ndr_print_union_string(TALLOC_CTX *mem_ctx, ndr_print_fn_t fn, const char *name, uint32_t level, void *ptr);
 539 char *ndr_print_function_string(TALLOC_CTX *mem_ctx,
 540                                 ndr_print_function_t fn, const char *name,
 541                                 int flags, void *ptr);
 542 void ndr_set_flags(uint32_t *pflags, uint32_t new_flags);
 543 enum ndr_err_code ndr_pull_error(struct ndr_pull *ndr,
 544                                  enum ndr_err_code ndr_err,
 545                                  const char *format, ...) PRINTF_ATTRIBUTE(3,4);
 546 enum ndr_err_code ndr_push_error(struct ndr_push *ndr,
 547                                  enum ndr_err_code ndr_err,
 548                                  const char *format, ...)  PRINTF_ATTRIBUTE(3,4);
 549 enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
 550                                    struct ndr_pull **_subndr,
 551                                    size_t header_size,
 552                                    ssize_t size_is);
 553 enum ndr_err_code ndr_pull_subcontext_end(struct ndr_pull *ndr,
 554                                  struct ndr_pull *subndr,
 555                                  size_t header_size,
 556                                  ssize_t size_is);
 557 enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
 558                                    struct ndr_push **_subndr,
 559                                    size_t header_size,
 560                                    ssize_t size_is);
 561 enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
 562                                  struct ndr_push *subndr,
 563                                  size_t header_size,
 564                                  ssize_t size_is);
 565 enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
 566                          struct ndr_token_list *list,
 567                          const void *key,
 568                          uint32_t value);
 569 enum ndr_err_code ndr_token_retrieve_cmp_fn(struct ndr_token_list *list, const void *key, uint32_t *v,
 570                                             int(*_cmp_fn)(const void*,const void*), bool erase);
 571 enum ndr_err_code ndr_token_retrieve(struct ndr_token_list *list, const void *key, uint32_t *v);
 572 uint32_t ndr_token_peek(struct ndr_token_list *list, const void *key);
 573 enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p);
 574 uint32_t ndr_get_array_size(struct ndr_pull *ndr, const void *p);
 575 enum ndr_err_code ndr_check_array_size(struct ndr_pull *ndr, void *p, uint32_t size);
 576 enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p);
 577 uint32_t ndr_get_array_length(struct ndr_pull *ndr, const void *p);
 578 enum ndr_err_code ndr_check_array_length(struct ndr_pull *ndr, void *p, uint32_t length);
 579 enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count);
 580 enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count);
 581 enum ndr_err_code ndr_push_set_switch_value(struct ndr_push *ndr, const void *p, uint32_t val);
 582 enum ndr_err_code ndr_pull_set_switch_value(struct ndr_pull *ndr, const void *p, uint32_t val);
 583 enum ndr_err_code ndr_print_set_switch_value(struct ndr_print *ndr, const void *p, uint32_t val);
 584 uint32_t ndr_push_get_switch_value(struct ndr_push *ndr, const void *p);
 585 uint32_t ndr_pull_get_switch_value(struct ndr_pull *ndr, const void *p);
 586 uint32_t ndr_print_get_switch_value(struct ndr_print *ndr, const void *p);
 587 uint32_t ndr_pull_steal_switch_value(struct ndr_pull *ndr, const void *p);
 588 enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p, ndr_pull_flags_fn_t fn);
 589 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);
 590 enum ndr_err_code ndr_pull_struct_blob_all_noalloc(const DATA_BLOB *blob,
 591                                                    void *p, ndr_pull_flags_fn_t fn);
 592 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);
 593 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);
 594
 595 /* from libndr_basic.h */
 596 #define NDR_SCALAR_PROTO(name, type) \
 597 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, type v); \
 598 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 599 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, type v);
 600
 601 #define NDR_SCALAR_PTR_PROTO(name, type) \
 602 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
 603 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type **v); \
 604 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
 605
 606 #define NDR_BUFFER_PROTO(name, type) \
 607 enum ndr_err_code ndr_push_ ## name(struct ndr_push *ndr, int ndr_flags, const type *v); \
 608 enum ndr_err_code ndr_pull_ ## name(struct ndr_pull *ndr, int ndr_flags, type *v); \
 609 void ndr_print_ ## name(struct ndr_print *ndr, const char *var_name, const type *v);
 610
 611 NDR_SCALAR_PROTO(uint8, uint8_t)
 612 NDR_SCALAR_PROTO(int8, int8_t)
 613 NDR_SCALAR_PROTO(uint16, uint16_t)
 614 NDR_SCALAR_PROTO(int16, int16_t)
 615 NDR_SCALAR_PROTO(uint1632, uint16_t)
 616 NDR_SCALAR_PROTO(uint32, uint32_t)
 617 NDR_SCALAR_PROTO(uint3264, uint32_t)
 618 NDR_SCALAR_PROTO(int32, int32_t)
 619 NDR_SCALAR_PROTO(int3264, int32_t)
 620 NDR_SCALAR_PROTO(udlong, uint64_t)
 621 NDR_SCALAR_PROTO(udlongr, uint64_t)
 622 NDR_SCALAR_PROTO(dlong, int64_t)
 623 NDR_SCALAR_PROTO(hyper, uint64_t)
 624 NDR_SCALAR_PROTO(pointer, void *)
 625 NDR_SCALAR_PROTO(time_t, time_t)
 626 NDR_SCALAR_PROTO(uid_t, uid_t)
 627 NDR_SCALAR_PROTO(gid_t, gid_t)
 628 NDR_SCALAR_PROTO(NTSTATUS, NTSTATUS)
 629 NDR_SCALAR_PROTO(WERROR, WERROR)
 630 NDR_SCALAR_PROTO(HRESULT, HRESULT)
 631 NDR_SCALAR_PROTO(NTTIME, NTTIME)
 632 NDR_SCALAR_PROTO(NTTIME_1sec, NTTIME)
 633 NDR_SCALAR_PROTO(NTTIME_hyper, NTTIME)
 634 NDR_SCALAR_PROTO(DATA_BLOB, DATA_BLOB)
 635 NDR_SCALAR_PROTO(ipv4address, const char *)
 636 NDR_SCALAR_PROTO(ipv6address, const char *)
 637 NDR_SCALAR_PROTO(string, const char *)
 638 NDR_SCALAR_PROTO(double, double)
 639
 640 enum ndr_err_code ndr_pull_policy_handle(struct ndr_pull *ndr, int ndr_flags, struct policy_handle *r);
 641 enum ndr_err_code ndr_push_policy_handle(struct ndr_push *ndr, int ndr_flags, const struct policy_handle *r);
 642 void ndr_print_policy_handle(struct ndr_print *ndr, const char *name, const struct policy_handle *r);
 643 bool ndr_policy_handle_empty(const struct policy_handle *h);
 644 #define is_valid_policy_hnd(hnd) (!ndr_policy_handle_empty(hnd))
 645 bool ndr_policy_handle_equal(const struct policy_handle *hnd1,
 646                          const struct policy_handle *hnd2);
 647
 648 void ndr_check_padding(struct ndr_pull *ndr, size_t n);
 649 enum ndr_err_code ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v);
 650 enum ndr_err_code ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v);
 651 enum ndr_err_code ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n);
 652 enum ndr_err_code ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n);
 653 enum ndr_err_code ndr_push_align(struct ndr_push *ndr, size_t size);
 654 enum ndr_err_code ndr_pull_align(struct ndr_pull *ndr, size_t size);
 655 enum ndr_err_code ndr_push_union_align(struct ndr_push *ndr, size_t size);
 656 enum ndr_err_code ndr_pull_union_align(struct ndr_pull *ndr, size_t size);
 657 enum ndr_err_code ndr_push_trailer_align(struct ndr_push *ndr, size_t size);
 658 enum ndr_err_code ndr_pull_trailer_align(struct ndr_pull *ndr, size_t size);
 659 enum ndr_err_code ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n);
 660 enum ndr_err_code ndr_push_zero(struct ndr_push *ndr, uint32_t n);
 661 enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n);
 662 enum ndr_err_code ndr_push_unique_ptr(struct ndr_push *ndr, const void *p);
 663 enum ndr_err_code ndr_push_full_ptr(struct ndr_push *ndr, const void *p);
 664 enum ndr_err_code ndr_push_ref_ptr(struct ndr_push *ndr);
 665 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type);
 666 void ndr_print_null(struct ndr_print *ndr);
 667 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type, const char *val, uint32_t value);
 668 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 669 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value);
 670 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p);
 671 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type);
 672 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level);
 673 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name, const uint8_t *data, uint32_t count);
 674 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags);
 675
 676 /* strings */
 677 uint32_t ndr_charset_length(const void *var, charset_t chset);
 678 size_t ndr_string_array_size(struct ndr_push *ndr, const char *s);
 679 uint32_t ndr_size_string(int ret, const char * const* string, int flags);
 680 enum ndr_err_code ndr_pull_string_array(struct ndr_pull *ndr, int ndr_flags, const char ***_a);
 681 enum ndr_err_code ndr_push_string_array(struct ndr_push *ndr, int ndr_flags, const char **a);
 682 void ndr_print_string_array(struct ndr_print *ndr, const char *name, const char **a);
 683 size_t ndr_size_string_array(const char **a, uint32_t count, int flags);
 684 uint32_t ndr_string_length(const void *_var, uint32_t element_size);
 685 enum ndr_err_code ndr_check_string_terminator(struct ndr_pull *ndr, uint32_t count, uint32_t element_size);
 686 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);
 687 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);
 688 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);
 689 enum ndr_err_code ndr_push_charset_to_null(struct ndr_push *ndr, int ndr_flags, const char *var, uint32_t length, uint8_t byte_mul, charset_t chset);
 690
 691 /* GUIDs */
 692 bool GUID_equal(const struct GUID *u1, const struct GUID *u2);
 693 NTSTATUS GUID_to_ndr_blob(const struct GUID *guid, TALLOC_CTX *mem_ctx, DATA_BLOB *b);
 694 NTSTATUS GUID_from_ndr_blob(const DATA_BLOB *b, struct GUID *guid);
 695 NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid);
 696 NTSTATUS GUID_from_string(const char *s, struct GUID *guid);
 697 struct GUID GUID_zero(void);
 698 bool GUID_all_zero(const struct GUID *u);
 699 int GUID_compare(const struct GUID *u1, const struct GUID *u2);
 700 char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 701 char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 702 char *GUID_hexstring(TALLOC_CTX *mem_ctx, const struct GUID *guid);
 703 struct GUID GUID_random(void);
 704
 705 /* Format is "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x" */
 706  /* 32 chars + 4 ' ' + \0 + 2 for adding {}  */
 707 struct GUID_txt_buf { char buf[39]; };
 708 _PUBLIC_ char* GUID_buf_string(const struct GUID *guid,
 709                                struct GUID_txt_buf *dst);
 710
 711 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v);
 712 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 713 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v);
 714 _PUBLIC_ enum ndr_err_code ndr_pull_enum_uint1632(struct ndr_pull *ndr, int ndr_flags, uint16_t *v);
 715 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v);
 716 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 717 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v);
 718 _PUBLIC_ enum ndr_err_code ndr_push_enum_uint1632(struct ndr_push *ndr, int ndr_flags, uint16_t v);
 719
 720 _PUBLIC_ void ndr_print_bool(struct ndr_print *ndr, const char *name, const bool b);
 721
 722 _PUBLIC_ enum ndr_err_code ndr_push_timespec(struct ndr_push *ndr,
 723                                              int ndr_flags,
 724                                              const struct timespec *t);
 725 _PUBLIC_ enum ndr_err_code ndr_pull_timespec(struct ndr_pull *ndr,
 726                                              int ndr_flags,
 727                                              struct timespec *t);
 728 _PUBLIC_ void ndr_print_timespec(struct ndr_print *ndr, const char *name,
 729                                  const struct timespec *t);
 730
 731 _PUBLIC_ enum ndr_err_code ndr_push_timeval(struct ndr_push *ndr,
 732                                             int ndr_flags,
 733                                             const struct timeval *t);
 734 _PUBLIC_ enum ndr_err_code ndr_pull_timeval(struct ndr_pull *ndr,
 735                                             int ndr_flags,
 736                                             struct timeval *t);
 737 _PUBLIC_ void ndr_print_timeval(struct ndr_print *ndr, const char *name,
 738                                 const struct timeval *t);
 739
 740
 741
 742 #endif /* __LIBNDR_H__ */