source/librpc/ndr/ndr_basic.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    routines for marshalling/unmarshalling basic types
   5
   6    Copyright (C) Andrew Tridgell 2003
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24
  25 #define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs))
  26 #define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(ndr->data,ofs))
  27 #define NDR_IVALS(ndr, ofs) (NDR_BE(ndr)?RIVALS(ndr->data,ofs):IVALS(ndr->data,ofs))
  28 #define NDR_SSVAL(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSSVAL(ndr->data,ofs,v); } else SSVAL(ndr->data,ofs,v); } while (0)
  29 #define NDR_SIVAL(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSIVAL(ndr->data,ofs,v); } else SIVAL(ndr->data,ofs,v); } while (0)
  30 #define NDR_SIVALS(ndr, ofs, v) do { if (NDR_BE(ndr))  { RSIVALS(ndr->data,ofs,v); } else SIVALS(ndr->data,ofs,v); } while (0)
  31
  32
  33 /*
  34   check for data leaks from the server by looking for non-zero pad bytes
  35   these could also indicate that real structure elements have been
  36   mistaken for padding in the IDL
  37 */
  38 void ndr_check_padding(struct ndr_pull *ndr, size_t n)
  39 {
  40         size_t ofs2 = (ndr->offset + (n-1)) & ~(n-1);
  41         int i;
  42         for (i=ndr->offset;i<ofs2;i++) {
  43                 if (ndr->data[i] != 0) {
  44                         break;
  45                 }
  46         }
  47         if (i<ofs2) {
  48                 DEBUG(0,("WARNING: Non-zero padding to %d: ", (int)n));
  49                 for (i=ndr->offset;i<ofs2;i++) {
  50                         DEBUG(0,("%02x ", ndr->data[i]));
  51                 }
  52                 DEBUG(0,("\n"));
  53         }
  54
  55 }
  56
  57 /*
  58   parse a int8_t
  59 */
  60 NTSTATUS ndr_pull_int8(struct ndr_pull *ndr, int ndr_flags, int8_t *v)
  61 {
  62         NDR_PULL_NEED_BYTES(ndr, 1);
  63         *v = (int8_t)CVAL(ndr->data, ndr->offset);
  64         ndr->offset += 1;
  65         return NT_STATUS_OK;
  66 }
  67
  68 /*
  69   parse a uint8_t
  70 */
  71 NTSTATUS ndr_pull_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *v)
  72 {
  73         NDR_PULL_NEED_BYTES(ndr, 1);
  74         *v = CVAL(ndr->data, ndr->offset);
  75         ndr->offset += 1;
  76         return NT_STATUS_OK;
  77 }
  78
  79 /*
  80   parse a int16_t
  81 */
  82 NTSTATUS ndr_pull_int16(struct ndr_pull *ndr, int ndr_flags, int16_t *v)
  83 {
  84         NDR_PULL_ALIGN(ndr, 2);
  85         NDR_PULL_NEED_BYTES(ndr, 2);
  86         *v = (uint16_t)NDR_SVAL(ndr, ndr->offset);
  87         ndr->offset += 2;
  88         return NT_STATUS_OK;
  89 }
  90
  91 /*
  92   parse a uint16_t
  93 */
  94 NTSTATUS ndr_pull_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *v)
  95 {
  96         NDR_PULL_ALIGN(ndr, 2);
  97         NDR_PULL_NEED_BYTES(ndr, 2);
  98         *v = NDR_SVAL(ndr, ndr->offset);
  99         ndr->offset += 2;
 100         return NT_STATUS_OK;
 101 }
 102
 103 /*
 104   parse a int32_t
 105 */
 106 NTSTATUS ndr_pull_int32(struct ndr_pull *ndr, int ndr_flags, int32_t *v)
 107 {
 108         NDR_PULL_ALIGN(ndr, 4);
 109         NDR_PULL_NEED_BYTES(ndr, 4);
 110         *v = NDR_IVALS(ndr, ndr->offset);
 111         ndr->offset += 4;
 112         return NT_STATUS_OK;
 113 }
 114
 115 /*
 116   parse a uint32_t
 117 */
 118 NTSTATUS ndr_pull_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *v)
 119 {
 120         NDR_PULL_ALIGN(ndr, 4);
 121         NDR_PULL_NEED_BYTES(ndr, 4);
 122         *v = NDR_IVAL(ndr, ndr->offset);
 123         ndr->offset += 4;
 124         return NT_STATUS_OK;
 125 }
 126
 127 /*
 128   parse a pointer referent identifier
 129 */
 130 NTSTATUS ndr_pull_generic_ptr(struct ndr_pull *ndr, uint32_t *v)
 131 {
 132         NTSTATUS status;
 133         status = ndr_pull_uint32(ndr, NDR_SCALARS, v);
 134         if (NT_STATUS_IS_OK(status) && *v != 0) {
 135                 ndr->ptr_count++;
 136         }
 137         return status;
 138 }
 139
 140 /*
 141   parse a ref pointer referent identifier
 142 */
 143 NTSTATUS ndr_pull_ref_ptr(struct ndr_pull *ndr, uint32_t *v)
 144 {
 145         NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, v));
 146         /* ref pointers always point to data */
 147         *v = 1;
 148         return NT_STATUS_OK;
 149 }
 150
 151 /*
 152   parse a udlong
 153 */
 154 NTSTATUS ndr_pull_udlong(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
 155 {
 156         NDR_PULL_ALIGN(ndr, 4);
 157         NDR_PULL_NEED_BYTES(ndr, 8);
 158         *v = NDR_IVAL(ndr, ndr->offset);
 159         *v |= (uint64_t)(NDR_IVAL(ndr, ndr->offset+4)) << 32;
 160         ndr->offset += 8;
 161         return NT_STATUS_OK;
 162 }
 163
 164 /*
 165   parse a udlongr
 166 */
 167 NTSTATUS ndr_pull_udlongr(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
 168 {
 169         NDR_PULL_ALIGN(ndr, 4);
 170         NDR_PULL_NEED_BYTES(ndr, 8);
 171         *v = ((uint64_t)NDR_IVAL(ndr, ndr->offset)) << 32;
 172         *v |= NDR_IVAL(ndr, ndr->offset+4);
 173         ndr->offset += 8;
 174         return NT_STATUS_OK;
 175 }
 176
 177 /*
 178   parse a dlong
 179 */
 180 NTSTATUS ndr_pull_dlong(struct ndr_pull *ndr, int ndr_flags, int64_t *v)
 181 {
 182         return ndr_pull_udlong(ndr, ndr_flags, (uint64_t *)v);
 183 }
 184
 185 /*
 186   parse a hyper
 187 */
 188 NTSTATUS ndr_pull_hyper(struct ndr_pull *ndr, int ndr_flags, uint64_t *v)
 189 {
 190         NDR_PULL_ALIGN(ndr, 8);
 191         return ndr_pull_udlong(ndr, ndr_flags, v);
 192 }
 193
 194 /*
 195   parse a pointer
 196 */
 197 NTSTATUS ndr_pull_pointer(struct ndr_pull *ndr, int ndr_flags, void* *v)
 198 {
 199         intptr_t h;
 200         NDR_PULL_ALIGN(ndr, sizeof(h));
 201         NDR_PULL_NEED_BYTES(ndr, sizeof(h));
 202         memcpy(&h, ndr->data+ndr->offset, sizeof(h));
 203         ndr->offset += sizeof(h);
 204         *v = (void *)h;
 205         return NT_STATUS_OK;
 206 }
 207
 208 /*
 209   pull a NTSTATUS
 210 */
 211 NTSTATUS ndr_pull_NTSTATUS(struct ndr_pull *ndr, int ndr_flags, NTSTATUS *status)
 212 {
 213         uint32_t v;
 214         NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
 215         *status = NT_STATUS(v);
 216         return NT_STATUS_OK;
 217 }
 218
 219 /*
 220   push a NTSTATUS
 221 */
 222 NTSTATUS ndr_push_NTSTATUS(struct ndr_push *ndr, int ndr_flags, NTSTATUS status)
 223 {
 224         return ndr_push_uint32(ndr, ndr_flags, NT_STATUS_V(status));
 225 }
 226
 227 void ndr_print_NTSTATUS(struct ndr_print *ndr, const char *name, NTSTATUS r)
 228 {
 229         ndr->print(ndr, "%-25s: %s", name, nt_errstr(r));
 230 }
 231
 232 /*
 233   pull a WERROR
 234 */
 235 NTSTATUS ndr_pull_WERROR(struct ndr_pull *ndr, int ndr_flags, WERROR *status)
 236 {
 237         uint32_t v;
 238         NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &v));
 239         *status = W_ERROR(v);
 240         return NT_STATUS_OK;
 241 }
 242
 243 /*
 244   push a WERROR
 245 */
 246 NTSTATUS ndr_push_WERROR(struct ndr_push *ndr, int ndr_flags, WERROR status)
 247 {
 248         return ndr_push_uint32(ndr, NDR_SCALARS, W_ERROR_V(status));
 249 }
 250
 251 void ndr_print_WERROR(struct ndr_print *ndr, const char *name, WERROR r)
 252 {
 253         ndr->print(ndr, "%-25s: %s", name, dos_errstr(r));
 254 }
 255
 256 /*
 257   parse a set of bytes
 258 */
 259 NTSTATUS ndr_pull_bytes(struct ndr_pull *ndr, uint8_t *data, uint32_t n)
 260 {
 261         NDR_PULL_NEED_BYTES(ndr, n);
 262         memcpy(data, ndr->data + ndr->offset, n);
 263         ndr->offset += n;
 264         return NT_STATUS_OK;
 265 }
 266
 267 /*
 268   pull an array of uint8
 269 */
 270 NTSTATUS ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, uint8_t *data, uint32_t n)
 271 {
 272         if (!(ndr_flags & NDR_SCALARS)) {
 273                 return NT_STATUS_OK;
 274         }
 275         return ndr_pull_bytes(ndr, data, n);
 276 }
 277
 278 /*
 279   push a int8_t
 280 */
 281 NTSTATUS ndr_push_int8(struct ndr_push *ndr, int ndr_flags, int8_t v)
 282 {
 283         NDR_PUSH_NEED_BYTES(ndr, 1);
 284         SCVAL(ndr->data, ndr->offset, (uint8_t)v);
 285         ndr->offset += 1;
 286         return NT_STATUS_OK;
 287 }
 288
 289 /*
 290   push a uint8_t
 291 */
 292 NTSTATUS ndr_push_uint8(struct ndr_push *ndr, int ndr_flags, uint8_t v)
 293 {
 294         NDR_PUSH_NEED_BYTES(ndr, 1);
 295         SCVAL(ndr->data, ndr->offset, v);
 296         ndr->offset += 1;
 297         return NT_STATUS_OK;
 298 }
 299
 300 /*
 301   push a int16_t
 302 */
 303 NTSTATUS ndr_push_int16(struct ndr_push *ndr, int ndr_flags, int16_t v)
 304 {
 305         NDR_PUSH_ALIGN(ndr, 2);
 306         NDR_PUSH_NEED_BYTES(ndr, 2);
 307         NDR_SSVAL(ndr, ndr->offset, (uint16_t)v);
 308         ndr->offset += 2;
 309         return NT_STATUS_OK;
 310 }
 311
 312 /*
 313   push a uint16_t
 314 */
 315 NTSTATUS ndr_push_uint16(struct ndr_push *ndr, int ndr_flags, uint16_t v)
 316 {
 317         NDR_PUSH_ALIGN(ndr, 2);
 318         NDR_PUSH_NEED_BYTES(ndr, 2);
 319         NDR_SSVAL(ndr, ndr->offset, v);
 320         ndr->offset += 2;
 321         return NT_STATUS_OK;
 322 }
 323
 324 /*
 325   push a int32_t
 326 */
 327 NTSTATUS ndr_push_int32(struct ndr_push *ndr, int ndr_flags, int32_t v)
 328 {
 329         NDR_PUSH_ALIGN(ndr, 4);
 330         NDR_PUSH_NEED_BYTES(ndr, 4);
 331         NDR_SIVALS(ndr, ndr->offset, v);
 332         ndr->offset += 4;
 333         return NT_STATUS_OK;
 334 }
 335
 336 /*
 337   push a uint32_t
 338 */
 339 NTSTATUS ndr_push_uint32(struct ndr_push *ndr, int ndr_flags, uint32_t v)
 340 {
 341         NDR_PUSH_ALIGN(ndr, 4);
 342         NDR_PUSH_NEED_BYTES(ndr, 4);
 343         NDR_SIVAL(ndr, ndr->offset, v);
 344         ndr->offset += 4;
 345         return NT_STATUS_OK;
 346 }
 347
 348 /*
 349   push a udlong
 350 */
 351 NTSTATUS ndr_push_udlong(struct ndr_push *ndr, int ndr_flags, uint64_t v)
 352 {
 353         NDR_PUSH_ALIGN(ndr, 4);
 354         NDR_PUSH_NEED_BYTES(ndr, 8);
 355         NDR_SIVAL(ndr, ndr->offset, (v & 0xFFFFFFFF));
 356         NDR_SIVAL(ndr, ndr->offset+4, (v>>32));
 357         ndr->offset += 8;
 358         return NT_STATUS_OK;
 359 }
 360
 361 /*
 362   push a udlongr
 363 */
 364 NTSTATUS ndr_push_udlongr(struct ndr_push *ndr, int ndr_flags, uint64_t v)
 365 {
 366         NDR_PUSH_ALIGN(ndr, 4);
 367         NDR_PUSH_NEED_BYTES(ndr, 8);
 368         NDR_SIVAL(ndr, ndr->offset, (v>>32));
 369         NDR_SIVAL(ndr, ndr->offset+4, (v & 0xFFFFFFFF));
 370         ndr->offset += 8;
 371         return NT_STATUS_OK;
 372 }
 373
 374 /*
 375   push a dlong
 376 */
 377 NTSTATUS ndr_push_dlong(struct ndr_push *ndr, int ndr_flags, int64_t v)
 378 {
 379         return ndr_push_udlong(ndr, NDR_SCALARS, (uint64_t)v);
 380 }
 381
 382 /*
 383   push a hyper
 384 */
 385 NTSTATUS ndr_push_hyper(struct ndr_push *ndr, int ndr_flags, uint64_t v)
 386 {
 387         NDR_PUSH_ALIGN(ndr, 8);
 388         return ndr_push_udlong(ndr, NDR_SCALARS, v);
 389 }
 390
 391 /*
 392   push a pointer
 393 */
 394 NTSTATUS ndr_push_pointer(struct ndr_push *ndr, int ndr_flags, void* v)
 395 {
 396         intptr_t h = (intptr_t)v;
 397         NDR_PUSH_ALIGN(ndr, sizeof(h));
 398         NDR_PUSH_NEED_BYTES(ndr, sizeof(h));
 399         memcpy(ndr->data+ndr->offset, &h, sizeof(h));
 400         ndr->offset += sizeof(h);
 401         return NT_STATUS_OK;
 402 }
 403
 404 NTSTATUS ndr_push_align(struct ndr_push *ndr, size_t size)
 405 {
 406         NDR_PUSH_ALIGN(ndr, size);
 407         return NT_STATUS_OK;
 408 }
 409
 410 NTSTATUS ndr_pull_align(struct ndr_pull *ndr, size_t size)
 411 {
 412         NDR_PULL_ALIGN(ndr, size);
 413         return NT_STATUS_OK;
 414 }
 415
 416 /*
 417   push some bytes
 418 */
 419 NTSTATUS ndr_push_bytes(struct ndr_push *ndr, const uint8_t *data, uint32_t n)
 420 {
 421         NDR_PUSH_NEED_BYTES(ndr, n);
 422         memcpy(ndr->data + ndr->offset, data, n);
 423         ndr->offset += n;
 424         return NT_STATUS_OK;
 425 }
 426
 427 /*
 428   push some zero bytes
 429 */
 430 NTSTATUS ndr_push_zero(struct ndr_push *ndr, uint32_t n)
 431 {
 432         NDR_PUSH_NEED_BYTES(ndr, n);
 433         memset(ndr->data + ndr->offset, 0, n);
 434         ndr->offset += n;
 435         return NT_STATUS_OK;
 436 }
 437
 438 /*
 439   push an array of uint8
 440 */
 441 NTSTATUS ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n)
 442 {
 443         if (!(ndr_flags & NDR_SCALARS)) {
 444                 return NT_STATUS_OK;
 445         }
 446         return ndr_push_bytes(ndr, data, n);
 447 }
 448
 449 /*
 450   save the current position
 451  */
 452 void ndr_push_save(struct ndr_push *ndr, struct ndr_push_save *save)
 453 {
 454         save->offset = ndr->offset;
 455 }
 456
 457 /*
 458   restore the position
 459  */
 460 void ndr_push_restore(struct ndr_push *ndr, struct ndr_push_save *save)
 461 {
 462         ndr->offset = save->offset;
 463 }
 464
 465 /*
 466   push a unique non-zero value if a pointer is non-NULL, otherwise 0
 467 */
 468 NTSTATUS ndr_push_unique_ptr(struct ndr_push *ndr, const void *p)
 469 {
 470         uint32_t ptr = 0;
 471         if (p) {
 472                 ptr = ndr->ptr_count * 4;
 473                 ptr |= 0x00020000;
 474                 ndr->ptr_count++;
 475         }
 476         return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
 477 }
 478
 479 /*
 480   push a 'simple' full non-zero value if a pointer is non-NULL, otherwise 0
 481 */
 482 NTSTATUS ndr_push_sptr_ptr(struct ndr_push *ndr, const void *p)
 483 {
 484         uint32_t ptr = 0;
 485         if (p) {
 486                 ndr->ptr_count++;
 487                 ptr = ndr->ptr_count;
 488         }
 489         return ndr_push_uint32(ndr, NDR_SCALARS, ptr);
 490 }
 491
 492 /*
 493   push always a 0, if a pointer is NULL it's a fatal error
 494 */
 495 NTSTATUS ndr_push_ref_ptr(struct ndr_push *ndr)
 496 {
 497         return ndr_push_uint32(ndr, NDR_SCALARS, 0xAEF1AEF1);
 498 }
 499
 500 /*
 501   push a NTTIME
 502 */
 503 NTSTATUS ndr_push_NTTIME(struct ndr_push *ndr, int ndr_flags, NTTIME t)
 504 {
 505         NDR_CHECK(ndr_push_udlong(ndr, ndr_flags, t));
 506         return NT_STATUS_OK;
 507 }
 508
 509 /*
 510   pull a NTTIME
 511 */
 512 NTSTATUS ndr_pull_NTTIME(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
 513 {
 514         NDR_CHECK(ndr_pull_udlong(ndr, ndr_flags, t));
 515         return NT_STATUS_OK;
 516 }
 517
 518 /*
 519   push a NTTIME
 520 */
 521 NTSTATUS ndr_push_NTTIME_1sec(struct ndr_push *ndr, int ndr_flags, NTTIME t)
 522 {
 523         t /= 10000000;
 524         NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
 525         return NT_STATUS_OK;
 526 }
 527
 528 /*
 529   pull a NTTIME_1sec
 530 */
 531 NTSTATUS ndr_pull_NTTIME_1sec(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
 532 {
 533         NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
 534         (*t) *= 10000000;
 535         return NT_STATUS_OK;
 536 }
 537
 538 /*
 539   pull a NTTIME_hyper
 540 */
 541 NTSTATUS ndr_pull_NTTIME_hyper(struct ndr_pull *ndr, int ndr_flags, NTTIME *t)
 542 {
 543         NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, t));
 544         return NT_STATUS_OK;
 545 }
 546
 547 /*
 548   push a NTTIME_hyper
 549 */
 550 NTSTATUS ndr_push_NTTIME_hyper(struct ndr_push *ndr, int ndr_flags, NTTIME t)
 551 {
 552         NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, t));
 553         return NT_STATUS_OK;
 554 }
 555
 556 /*
 557   push a time_t
 558 */
 559 NTSTATUS ndr_push_time_t(struct ndr_push *ndr, int ndr_flags, time_t t)
 560 {
 561         return ndr_push_uint32(ndr, ndr_flags, t);
 562 }
 563
 564 /*
 565   pull a time_t
 566 */
 567 NTSTATUS ndr_pull_time_t(struct ndr_pull *ndr, int ndr_flags, time_t *t)
 568 {
 569         uint32_t tt;
 570         NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &tt));
 571         *t = tt;
 572         return NT_STATUS_OK;
 573 }
 574
 575
 576 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type)
 577 {
 578         ndr->print(ndr, "%s: struct %s", name, type);
 579 }
 580
 581 void ndr_print_enum(struct ndr_print *ndr, const char *name, const char *type,
 582                     const char *val, uint32_t value)
 583 {
 584         if (ndr->flags & LIBNDR_PRINT_ARRAY_HEX) {
 585                 ndr->print(ndr, "%-25s: %s (0x%X)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
 586         } else {
 587                 ndr->print(ndr, "%-25s: %s (%d)", name, val?val:"UNKNOWN_ENUM_VALUE", value);
 588         }
 589 }
 590
 591 void ndr_print_bitmap_flag(struct ndr_print *ndr, size_t size, const char *flag_name, uint32_t flag, uint32_t value)
 592 {
 593         /* this is an attempt to support multi-bit bitmap masks */
 594         value &= flag;
 595
 596         while (!(flag & 1)) {
 597                 flag >>= 1;
 598                 value >>= 1;
 599         }
 600         if (flag == 1) {
 601                 ndr->print(ndr, "   %d: %-25s", value, flag_name);
 602         } else {
 603                 ndr->print(ndr, "0x%02x: %-25s (%d)", value, flag_name, value);
 604         }
 605 }
 606
 607 void ndr_print_int8(struct ndr_print *ndr, const char *name, int8_t v)
 608 {
 609         ndr->print(ndr, "%-25s: %d", name, v);
 610 }
 611
 612 void ndr_print_uint8(struct ndr_print *ndr, const char *name, uint8_t v)
 613 {
 614         ndr->print(ndr, "%-25s: 0x%02x (%u)", name, v, v);
 615 }
 616
 617 void ndr_print_int16(struct ndr_print *ndr, const char *name, int16_t v)
 618 {
 619         ndr->print(ndr, "%-25s: %d", name, v);
 620 }
 621
 622 void ndr_print_uint16(struct ndr_print *ndr, const char *name, uint16_t v)
 623 {
 624         ndr->print(ndr, "%-25s: 0x%04x (%u)", name, v, v);
 625 }
 626
 627 void ndr_print_int32(struct ndr_print *ndr, const char *name, int32_t v)
 628 {
 629         ndr->print(ndr, "%-25s: %d", name, v);
 630 }
 631
 632 void ndr_print_uint32(struct ndr_print *ndr, const char *name, uint32_t v)
 633 {
 634         ndr->print(ndr, "%-25s: 0x%08x (%u)", name, v, v);
 635 }
 636
 637 void ndr_print_udlong(struct ndr_print *ndr, const char *name, uint64_t v)
 638 {
 639         ndr->print(ndr, "%-25s: 0x%016llx (%llu)", name, v, v);
 640 }
 641
 642 void ndr_print_udlongr(struct ndr_print *ndr, const char *name, uint64_t v)
 643 {
 644         ndr_print_udlong(ndr, name, v);
 645 }
 646
 647 void ndr_print_dlong(struct ndr_print *ndr, const char *name, int64_t v)
 648 {
 649         ndr->print(ndr, "%-25s: 0x%016llx (%lld)", name, v, v);
 650 }
 651
 652 void ndr_print_hyper(struct ndr_print *ndr, const char *name, uint64_t v)
 653 {
 654         ndr_print_dlong(ndr, name, v);
 655 }
 656
 657 void ndr_print_pointer(struct ndr_print *ndr, const char *name, void *v)
 658 {
 659         ndr->print(ndr, "%-25s: %p", name, v);
 660 }
 661
 662 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p)
 663 {
 664         if (p) {
 665                 ndr->print(ndr, "%-25s: *", name);
 666         } else {
 667                 ndr->print(ndr, "%-25s: NULL", name);
 668         }
 669 }
 670
 671 void ndr_print_NTTIME(struct ndr_print *ndr, const char *name, NTTIME t)
 672 {
 673         ndr->print(ndr, "%-25s: %s", name, nt_time_string(ndr, t));
 674 }
 675
 676 void ndr_print_NTTIME_1sec(struct ndr_print *ndr, const char *name, NTTIME t)
 677 {
 678         /* this is a standard NTTIME here
 679          * as it's already converted in the pull/push code
 680          */
 681         ndr_print_NTTIME(ndr, name, t);
 682 }
 683
 684 void ndr_print_NTTIME_hyper(struct ndr_print *ndr, const char *name, NTTIME t)
 685 {
 686         ndr_print_NTTIME(ndr, name, t);
 687 }
 688
 689 void ndr_print_time_t(struct ndr_print *ndr, const char *name, time_t t)
 690 {
 691         if (t == (time_t)-1 || t == 0) {
 692                 ndr->print(ndr, "%-25s: (time_t)%d", name, (int)t);
 693         } else {
 694                 ndr->print(ndr, "%-25s: %s", name, timestring(ndr, t));
 695         }
 696 }
 697
 698 void ndr_print_union(struct ndr_print *ndr, const char *name, int level, const char *type)
 699 {
 700         if (ndr->flags & LIBNDR_PRINT_ARRAY_HEX) {
 701                 ndr->print(ndr, "%-25s: union %s(case 0x%X)", name, type, level);
 702         } else {
 703                 ndr->print(ndr, "%-25s: union %s(case %d)", name, type, level);
 704         }
 705 }
 706
 707 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level)
 708 {
 709         ndr->print(ndr, "UNKNOWN LEVEL %u", level);
 710 }
 711
 712 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name,
 713                            const uint8_t *data, uint32_t count)
 714 {
 715         int i;
 716
 717         if (count <= 600 && (ndr->flags & LIBNDR_PRINT_ARRAY_HEX)) {
 718                 char s[1202];
 719                 for (i=0;i<count;i++) {
 720                         snprintf(&s[i*2], 3, "%02x", data[i]);
 721                 }
 722                 s[i*2] = 0;
 723                 ndr->print(ndr, "%-25s: %s", name, s);
 724                 return;
 725         }
 726
 727         ndr->print(ndr, "%s: ARRAY(%d)", name, count);
 728         ndr->depth++;
 729         for (i=0;i<count;i++) {
 730                 char *idx=NULL;
 731                 asprintf(&idx, "[%d]", i);
 732                 if (idx) {
 733                         ndr_print_uint8(ndr, idx, data[i]);
 734                         free(idx);
 735                 }
 736         }
 737         ndr->depth--;
 738 }
 739
 740 void ndr_print_DATA_BLOB(struct ndr_print *ndr, const char *name, DATA_BLOB r)
 741 {
 742         ndr->print(ndr, "%-25s: DATA_BLOB length=%u", name, r.length);
 743         if (r.length) {
 744                 dump_data(10, (const char *)r.data, r.length);
 745         }
 746 }
 747
 748
 749 /*
 750   push a DATA_BLOB onto the wire.
 751 */
 752 NTSTATUS ndr_push_DATA_BLOB(struct ndr_push *ndr, int ndr_flags, DATA_BLOB blob)
 753 {
 754         if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
 755                 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
 756                         blob.length = NDR_ALIGN(ndr, 2);
 757                 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
 758                         blob.length = NDR_ALIGN(ndr, 4);
 759                 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
 760                         blob.length = NDR_ALIGN(ndr, 8);
 761                 }
 762                 NDR_PUSH_ALLOC_SIZE(ndr, blob.data, blob.length);
 763                 data_blob_clear(&blob);
 764         } else if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
 765                 NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, blob.length));
 766         }
 767         NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
 768         return NT_STATUS_OK;
 769 }
 770
 771 /*
 772   pull a DATA_BLOB from the wire.
 773 */
 774 NTSTATUS ndr_pull_DATA_BLOB(struct ndr_pull *ndr, int ndr_flags, DATA_BLOB *blob)
 775 {
 776         uint32_t length = 0;
 777
 778         if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
 779                 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
 780                         length = NDR_ALIGN(ndr, 2);
 781                 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
 782                         length = NDR_ALIGN(ndr, 4);
 783                 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
 784                         length = NDR_ALIGN(ndr, 8);
 785                 }
 786                 if (ndr->data_size - ndr->offset < length) {
 787                         length = ndr->data_size - ndr->offset;
 788                 }
 789         } else if (ndr->flags & LIBNDR_FLAG_REMAINING) {
 790                 length = ndr->data_size - ndr->offset;
 791         } else {
 792                 NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &length));
 793         }
 794         NDR_PULL_NEED_BYTES(ndr, length);
 795         *blob = data_blob_talloc(ndr->current_mem_ctx, ndr->data+ndr->offset, length);
 796         ndr->offset += length;
 797         return NT_STATUS_OK;
 798 }
 799
 800 uint32_t ndr_size_DATA_BLOB(int ret, const DATA_BLOB *data, int flags)
 801 {
 802         return ret + data->length;
 803 }