2 Unix SMB/CIFS implementation.
4 routines for marshalling/unmarshalling basic types
6 Copyright (C) Andrew Tridgell 2003
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.
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.
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.
25 #define NDR_BE(ndr) (((ndr)->flags & (LIBNDR_FLAG_BIGENDIAN|LIBNDR_FLAG_LITTLE_ENDIAN)) == LIBNDR_FLAG_BIGENDIAN)
26 #define NDR_SVAL(ndr, ofs) (NDR_BE(ndr)?RSVAL(ndr->data,ofs):SVAL(ndr->data,ofs))
27 #define NDR_IVAL(ndr, ofs) (NDR_BE(ndr)?RIVAL(ndr->data,ofs):IVAL(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)
34 NTSTATUS ndr_pull_uint8(struct ndr_pull *ndr, uint8_t *v)
36 NDR_PULL_NEED_BYTES(ndr, 1);
37 *v = CVAL(ndr->data, ndr->offset);
46 NTSTATUS ndr_pull_uint16(struct ndr_pull *ndr, uint16_t *v)
48 NDR_PULL_ALIGN(ndr, 2);
49 NDR_PULL_NEED_BYTES(ndr, 2);
50 *v = NDR_SVAL(ndr, ndr->offset);
59 NTSTATUS ndr_pull_uint32(struct ndr_pull *ndr, uint32_t *v)
61 NDR_PULL_ALIGN(ndr, 4);
62 NDR_PULL_NEED_BYTES(ndr, 4);
63 *v = NDR_IVAL(ndr, ndr->offset);
71 NTSTATUS ndr_pull_ptr(struct ndr_pull *ndr, uint32_t *v)
74 status = ndr_pull_uint32(ndr, v);
81 NTSTATUS ndr_pull_uint64(struct ndr_pull *ndr, uint64_t *v)
83 NDR_PULL_ALIGN(ndr, 4);
84 NDR_PULL_NEED_BYTES(ndr, 8);
85 *v = NDR_IVAL(ndr, ndr->offset);
86 *v |= (uint64_t)(NDR_IVAL(ndr, ndr->offset+4)) << 32;
94 NTSTATUS ndr_pull_int64(struct ndr_pull *ndr, int64_t *v)
96 return ndr_pull_uint64(ndr, (uint64_t *)v);
102 NTSTATUS ndr_pull_HYPER_T(struct ndr_pull *ndr, HYPER_T *v)
104 NDR_PULL_ALIGN(ndr, 8);
105 return ndr_pull_uint64(ndr, v);
111 NTSTATUS ndr_pull_NTSTATUS(struct ndr_pull *ndr, NTSTATUS *status)
114 NDR_CHECK(ndr_pull_uint32(ndr, &v));
115 *status = NT_STATUS(v);
122 NTSTATUS ndr_push_NTSTATUS(struct ndr_push *ndr, NTSTATUS status)
124 return ndr_push_uint32(ndr, NT_STATUS_V(status));
127 void ndr_print_NTSTATUS(struct ndr_print *ndr, const char *name, NTSTATUS *r)
129 ndr->print(ndr, "%-25s: %s", name, nt_errstr(*r));
135 NTSTATUS ndr_pull_WERROR(struct ndr_pull *ndr, WERROR *status)
138 NDR_CHECK(ndr_pull_uint32(ndr, &v));
139 *status = W_ERROR(v);
146 NTSTATUS ndr_push_WERROR(struct ndr_push *ndr, WERROR status)
148 return ndr_push_uint32(ndr, W_ERROR_V(status));
151 void ndr_print_WERROR(struct ndr_print *ndr, const char *name, WERROR *r)
153 ndr->print(ndr, "%-25s: %s", name, win_errstr(*r));
159 NTSTATUS ndr_pull_bytes(struct ndr_pull *ndr, char *data, uint32_t n)
161 NDR_PULL_NEED_BYTES(ndr, n);
162 memcpy(data, ndr->data + ndr->offset, n);
168 pull an array of uint8
170 NTSTATUS ndr_pull_array_uint8(struct ndr_pull *ndr, int ndr_flags, char *data, uint32_t n)
172 if (!(ndr_flags & NDR_SCALARS)) {
175 return ndr_pull_bytes(ndr, data, n);
180 pull an array of uint16
182 NTSTATUS ndr_pull_array_uint16(struct ndr_pull *ndr, int ndr_flags, uint16_t *data, uint32_t n)
185 if (!(ndr_flags & NDR_SCALARS)) {
189 NDR_CHECK(ndr_pull_uint16(ndr, &data[i]));
195 pull a const array of uint32_t
197 NTSTATUS ndr_pull_array_uint32(struct ndr_pull *ndr, int ndr_flags, uint32_t *data, uint32_t n)
200 if (!(ndr_flags & NDR_SCALARS)) {
204 NDR_CHECK(ndr_pull_uint32(ndr, &data[i]));
212 NTSTATUS ndr_push_uint8(struct ndr_push *ndr, uint8_t v)
214 NDR_PUSH_NEED_BYTES(ndr, 1);
215 SCVAL(ndr->data, ndr->offset, v);
223 NTSTATUS ndr_push_uint16(struct ndr_push *ndr, uint16_t v)
225 NDR_PUSH_ALIGN(ndr, 2);
226 NDR_PUSH_NEED_BYTES(ndr, 2);
227 NDR_SSVAL(ndr, ndr->offset, v);
235 NTSTATUS ndr_push_uint32(struct ndr_push *ndr, uint32_t v)
237 NDR_PUSH_ALIGN(ndr, 4);
238 NDR_PUSH_NEED_BYTES(ndr, 4);
239 NDR_SIVAL(ndr, ndr->offset, v);
247 NTSTATUS ndr_push_uint64(struct ndr_push *ndr, uint64_t v)
249 NDR_PUSH_ALIGN(ndr, 4);
250 NDR_PUSH_NEED_BYTES(ndr, 8);
251 NDR_SIVAL(ndr, ndr->offset, (v & 0xFFFFFFFF));
252 NDR_SIVAL(ndr, ndr->offset+4, (v>>32));
260 NTSTATUS ndr_push_int64(struct ndr_push *ndr, int64_t v)
262 return ndr_push_uint64(ndr, (uint64_t)v);
268 NTSTATUS ndr_push_HYPER_T(struct ndr_push *ndr, HYPER_T v)
270 NDR_PUSH_ALIGN(ndr, 8);
271 return ndr_push_uint64(ndr, v);
274 NTSTATUS ndr_push_align(struct ndr_push *ndr, size_t size)
276 NDR_PUSH_ALIGN(ndr, size);
280 NTSTATUS ndr_pull_align(struct ndr_pull *ndr, size_t size)
282 NDR_PULL_ALIGN(ndr, size);
289 NTSTATUS ndr_push_bytes(struct ndr_push *ndr, const char *data, uint32_t n)
291 NDR_PUSH_NEED_BYTES(ndr, n);
292 memcpy(ndr->data + ndr->offset, data, n);
300 NTSTATUS ndr_push_zero(struct ndr_push *ndr, uint32_t n)
302 NDR_PUSH_NEED_BYTES(ndr, n);
303 memset(ndr->data + ndr->offset, 0, n);
309 push an array of uint8
311 NTSTATUS ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const char *data, uint32_t n)
313 if (!(ndr_flags & NDR_SCALARS)) {
316 return ndr_push_bytes(ndr, data, n);
320 push an array of uint16
322 NTSTATUS ndr_push_array_uint16(struct ndr_push *ndr, int ndr_flags, const uint16_t *data, uint32_t n)
325 if (!(ndr_flags & NDR_SCALARS)) {
329 NDR_CHECK(ndr_push_uint16(ndr, data[i]));
335 push an array of uint32_t
337 NTSTATUS ndr_push_array_uint32(struct ndr_push *ndr, int ndr_flags, const uint32_t *data, uint32_t n)
340 if (!(ndr_flags & NDR_SCALARS)) {
344 NDR_CHECK(ndr_push_uint32(ndr, data[i]));
350 save the current position
352 void ndr_push_save(struct ndr_push *ndr, struct ndr_push_save *save)
354 save->offset = ndr->offset;
360 void ndr_push_restore(struct ndr_push *ndr, struct ndr_push_save *save)
362 ndr->offset = save->offset;
366 push a 1 if a pointer is non-NULL, otherwise 0
368 NTSTATUS ndr_push_ptr(struct ndr_push *ndr, const void *p)
372 /* we do this to ensure that we generate unique ref ids,
373 which means we can handle the case where a MS programmer
374 forgot to mark a pointer as unique */
376 ptr = ndr->ptr_count;
378 return ndr_push_uint32(ndr, ptr);
383 pull a general string from the wire
385 NTSTATUS ndr_pull_string(struct ndr_pull *ndr, int ndr_flags, const char **s)
388 uint32_t len1, ofs, len2;
393 if (!(ndr_flags & NDR_SCALARS)) {
401 switch (ndr->flags & LIBNDR_STRING_FLAGS) {
402 case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
403 case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
404 NDR_CHECK(ndr_pull_uint32(ndr, &len1));
405 NDR_CHECK(ndr_pull_uint32(ndr, &ofs));
406 NDR_CHECK(ndr_pull_uint32(ndr, &len2));
408 return ndr_pull_error(ndr, NDR_ERR_STRING,
409 "Bad string lengths len1=%u ofs=%u len2=%u\n",
413 *s = talloc_strdup(ndr->mem_ctx, "");
416 NDR_PULL_NEED_BYTES(ndr, len2*2);
417 ret = convert_string_talloc(ndr->mem_ctx, chset, CH_UNIX,
418 ndr->data+ndr->offset,
422 return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
423 "Bad character conversion");
425 NDR_CHECK(ndr_pull_advance(ndr, len2*2));
427 /* this is a way of detecting if a string is sent with the wrong
429 if (ndr->flags & LIBNDR_FLAG_STR_NOTERM) {
430 if (strlen(as) < len2) {
431 DEBUG(6,("short string '%s'\n", as));
434 if (strlen(as) == len2) {
435 DEBUG(6,("long string '%s'\n", as));
441 case LIBNDR_FLAG_STR_SIZE4:
442 NDR_CHECK(ndr_pull_uint32(ndr, &len1));
443 NDR_PULL_NEED_BYTES(ndr, len1*2);
445 *s = talloc_strdup(ndr->mem_ctx, "");
448 ret = convert_string_talloc(ndr->mem_ctx, chset, CH_UNIX,
449 ndr->data+ndr->offset,
453 return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
454 "Bad character conversion");
456 NDR_CHECK(ndr_pull_advance(ndr, len1*2));
460 case LIBNDR_FLAG_STR_NULLTERM:
461 len1 = strnlen_w(ndr->data+ndr->offset,
462 (ndr->data_size - ndr->offset)/2);
463 if (len1*2+2 <= ndr->data_size - ndr->offset) {
466 ret = convert_string_talloc(ndr->mem_ctx, chset, CH_UNIX,
467 ndr->data+ndr->offset,
471 return ndr_pull_error(ndr, NDR_ERR_CHARCNV,
472 "Bad character conversion");
474 NDR_CHECK(ndr_pull_advance(ndr, len1*2));
477 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
478 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
479 NDR_CHECK(ndr_pull_uint32(ndr, &len1));
480 NDR_CHECK(ndr_pull_uint32(ndr, &ofs));
481 NDR_CHECK(ndr_pull_uint32(ndr, &len2));
483 return ndr_pull_error(ndr, NDR_ERR_STRING,
484 "Bad ascii string lengths len1=%u ofs=%u len2=%u\n",
487 NDR_ALLOC_N(ndr, as, (len2+1));
488 NDR_CHECK(ndr_pull_bytes(ndr, as, len2));
493 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4:
494 NDR_CHECK(ndr_pull_uint32(ndr, &ofs));
495 NDR_CHECK(ndr_pull_uint32(ndr, &len2));
496 NDR_ALLOC_N(ndr, as, (len2+1));
497 NDR_CHECK(ndr_pull_bytes(ndr, as, len2));
502 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_SIZE2:
503 NDR_CHECK(ndr_pull_uint16(ndr, &len3));
504 NDR_ALLOC_N(ndr, as, (len3+1));
505 NDR_CHECK(ndr_pull_bytes(ndr, as, len3));
510 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM:
511 len1 = strnlen(ndr->data+ndr->offset, (ndr->data_size - ndr->offset));
512 if (len1+1 <= ndr->data_size - ndr->offset) {
515 NDR_ALLOC_N(ndr, as, (len1+1));
516 NDR_CHECK(ndr_pull_bytes(ndr, as, len1));
522 return ndr_pull_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
523 ndr->flags & LIBNDR_STRING_FLAGS);
531 push a general string onto the wire
533 NTSTATUS ndr_push_string(struct ndr_push *ndr, int ndr_flags, const char *s)
535 ssize_t s_len, c_len;
539 if (!(ndr_flags & NDR_SCALARS)) {
547 s_len = s?strlen(s):0;
548 c_len = s?strlen_m(s):0;
550 switch (ndr->flags & LIBNDR_STRING_FLAGS) {
551 case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
552 NDR_CHECK(ndr_push_uint32(ndr, c_len+1));
553 NDR_CHECK(ndr_push_uint32(ndr, 0));
554 NDR_CHECK(ndr_push_uint32(ndr, c_len+1));
555 NDR_PUSH_NEED_BYTES(ndr, c_len*2 + 2);
556 ret = convert_string(CH_UNIX, chset,
558 ndr->data+ndr->offset, c_len*2 + 2);
560 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
561 "Bad character conversion");
563 ndr->offset += c_len*2 + 2;
566 case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
567 NDR_CHECK(ndr_push_uint32(ndr, c_len));
568 NDR_CHECK(ndr_push_uint32(ndr, 0));
569 NDR_CHECK(ndr_push_uint32(ndr, c_len));
570 NDR_PUSH_NEED_BYTES(ndr, c_len*2);
571 ret = convert_string(CH_UNIX, chset,
573 ndr->data+ndr->offset, c_len*2);
575 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
576 "Bad character conversion");
578 ndr->offset += c_len*2;
581 case LIBNDR_FLAG_STR_SIZE4:
582 NDR_CHECK(ndr_push_uint32(ndr, c_len + 1));
583 NDR_PUSH_NEED_BYTES(ndr, c_len*2 + 2);
584 ret = convert_string(CH_UNIX, chset,
586 ndr->data+ndr->offset, c_len*2 + 2);
588 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
589 "Bad character conversion");
591 ndr->offset += c_len*2 + 2;
594 case LIBNDR_FLAG_STR_NULLTERM:
595 NDR_PUSH_NEED_BYTES(ndr, c_len*2 + 2);
596 ret = convert_string(CH_UNIX, chset,
598 ndr->data+ndr->offset, c_len*2 + 2);
600 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
601 "Bad character conversion");
603 ndr->offset += c_len*2 + 2;
606 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
607 NDR_CHECK(ndr_push_uint32(ndr, c_len+1));
608 NDR_CHECK(ndr_push_uint32(ndr, 0));
609 NDR_CHECK(ndr_push_uint32(ndr, c_len+1));
610 NDR_PUSH_NEED_BYTES(ndr, c_len + 1);
611 ret = convert_string(CH_UNIX, CH_DOS,
613 ndr->data+ndr->offset, c_len + 1);
615 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
616 "Bad character conversion");
618 ndr->offset += c_len + 1;
621 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4|LIBNDR_FLAG_STR_NOTERM:
622 NDR_CHECK(ndr_push_uint32(ndr, c_len));
623 NDR_CHECK(ndr_push_uint32(ndr, 0));
624 NDR_CHECK(ndr_push_uint32(ndr, c_len));
625 NDR_PUSH_NEED_BYTES(ndr, c_len);
626 ret = convert_string(CH_UNIX, CH_DOS,
628 ndr->data+ndr->offset, c_len);
630 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
631 "Bad character conversion");
633 ndr->offset += c_len;
636 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_LEN4:
637 NDR_CHECK(ndr_push_uint32(ndr, 0));
638 NDR_CHECK(ndr_push_uint32(ndr, c_len+1));
639 NDR_PUSH_NEED_BYTES(ndr, c_len + 1);
640 ret = convert_string(CH_UNIX, CH_DOS,
642 ndr->data+ndr->offset, c_len + 1);
644 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
645 "Bad character conversion");
647 ndr->offset += c_len + 1;
650 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_SIZE2:
651 NDR_CHECK(ndr_push_uint16(ndr, c_len+1));
652 NDR_PUSH_NEED_BYTES(ndr, c_len + 1);
653 ret = convert_string(CH_UNIX, CH_DOS,
655 ndr->data+ndr->offset, c_len + 1);
657 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
658 "Bad character conversion");
660 ndr->offset += c_len + 1;
663 case LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM:
664 NDR_PUSH_NEED_BYTES(ndr, c_len + 1);
665 ret = convert_string(CH_UNIX, CH_DOS,
667 ndr->data+ndr->offset, c_len + 1);
669 return ndr_push_error(ndr, NDR_ERR_CHARCNV,
670 "Bad character conversion");
672 ndr->offset += c_len + 1;
676 return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
677 ndr->flags & LIBNDR_STRING_FLAGS);
686 NTSTATUS ndr_push_NTTIME(struct ndr_push *ndr, NTTIME t)
688 NDR_CHECK(ndr_push_uint64(ndr, t));
695 NTSTATUS ndr_pull_NTTIME(struct ndr_pull *ndr, NTTIME *t)
697 NDR_CHECK(ndr_pull_uint64(ndr, t));
704 NTSTATUS ndr_push_time_t(struct ndr_push *ndr, time_t t)
706 return ndr_push_uint32(ndr, t);
712 NTSTATUS ndr_pull_time_t(struct ndr_pull *ndr, time_t *t)
715 NDR_CHECK(ndr_pull_uint32(ndr, &tt));
721 void ndr_print_struct(struct ndr_print *ndr, const char *name, const char *type)
723 ndr->print(ndr, "%s: struct %s", name, type);
726 void ndr_print_uint8(struct ndr_print *ndr, const char *name, uint8_t v)
728 ndr->print(ndr, "%-25s: 0x%02x (%u)", name, v, v);
731 void ndr_print_uint16(struct ndr_print *ndr, const char *name, uint16_t v)
733 ndr->print(ndr, "%-25s: 0x%04x (%u)", name, v, v);
736 void ndr_print_uint32(struct ndr_print *ndr, const char *name, uint32_t v)
738 ndr->print(ndr, "%-25s: 0x%08x (%u)", name, v, v);
741 void ndr_print_uint64(struct ndr_print *ndr, const char *name, uint64_t v)
743 ndr->print(ndr, "%-25s: 0x%08x%08x", name, (uint32_t)(v >> 32), (uint32_t)(v & 0xFFFFFFFF));
746 void ndr_print_int64(struct ndr_print *ndr, const char *name, int64_t v)
748 ndr->print(ndr, "%-25s: 0x%08x%08x (%lld)", name,
750 (uint32_t)(v & 0xFFFFFFFF),
754 void ndr_print_HYPER_T(struct ndr_print *ndr, const char *name, HYPER_T v)
756 ndr->print(ndr, "%-25s: 0x%08x%08x", name, (uint32_t)(v >> 32), (uint32_t)(v & 0xFFFFFFFF));
759 void ndr_print_ptr(struct ndr_print *ndr, const char *name, const void *p)
762 ndr->print(ndr, "%-25s: *", name);
764 ndr->print(ndr, "%-25s: NULL", name);
768 void ndr_print_string(struct ndr_print *ndr, const char *name, const char *s)
771 ndr->print(ndr, "%-25s: '%s'", name, s);
773 ndr->print(ndr, "%-25s: NULL", name);
777 void ndr_print_NTTIME(struct ndr_print *ndr, const char *name, NTTIME t)
779 ndr->print(ndr, "%-25s: %s", name, nt_time_string(ndr->mem_ctx, t));
782 void ndr_print_time_t(struct ndr_print *ndr, const char *name, time_t t)
784 if (t == (time_t)-1 || t == 0) {
785 ndr->print(ndr, "%-25s: (time_t)%d", name, (int)t);
787 ndr->print(ndr, "%-25s: %s", name, timestring(ndr->mem_ctx, t));
791 void ndr_print_union(struct ndr_print *ndr, const char *name, uint16_t level, const char *type)
793 ndr->print(ndr, "%-25s: union %s(case %u)", name, type, level);
796 void ndr_print_bad_level(struct ndr_print *ndr, const char *name, uint16_t level)
798 ndr->print(ndr, "UNKNOWN LEVEL %u", level);
801 void ndr_print_array_uint32(struct ndr_print *ndr, const char *name,
802 const uint32_t *data, uint32_t count)
806 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
808 for (i=0;i<count;i++) {
810 asprintf(&idx, "[%d]", i);
812 ndr_print_uint32(ndr, idx, data[i]);
819 void ndr_print_array_uint16(struct ndr_print *ndr, const char *name,
820 const uint16_t *data, uint32_t count)
824 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
826 for (i=0;i<count;i++) {
828 asprintf(&idx, "[%d]", i);
830 ndr_print_uint16(ndr, idx, data[i]);
837 void ndr_print_array_uint8(struct ndr_print *ndr, const char *name,
838 const uint8_t *data, uint32_t count)
842 if (count <= 600 && (ndr->flags & LIBNDR_PRINT_ARRAY_HEX)) {
844 for (i=0;i<count;i++) {
845 snprintf(&s[i*2], 3, "%02x", data[i]);
848 ndr->print(ndr, "%-25s: %s", name, s);
852 ndr->print(ndr, "%s: ARRAY(%d)", name, count);
854 for (i=0;i<count;i++) {
856 asprintf(&idx, "[%d]", i);
858 ndr_print_uint8(ndr, idx, data[i]);
866 build a GUID from a string
868 NTSTATUS GUID_from_string(const char *s, struct GUID *guid)
871 uint32_t time_mid, time_hi_and_version;
872 uint32_t clock_seq[2];
876 if (11 != sscanf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
877 &time_low, &time_mid, &time_hi_and_version,
878 &clock_seq[0], &clock_seq[1],
879 &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
880 return NT_STATUS_INVALID_PARAMETER;
883 guid->time_low = time_low;
884 guid->time_mid = time_mid;
885 guid->time_hi_and_version = time_hi_and_version;
886 guid->clock_seq[0] = clock_seq[0];
887 guid->clock_seq[1] = clock_seq[1];
889 guid->node[i] = node[i];
896 its useful to be able to display these in debugging messages
898 const char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
900 return talloc_asprintf(mem_ctx,
901 "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
902 guid->time_low, guid->time_mid,
903 guid->time_hi_and_version,
906 guid->node[0], guid->node[1],
907 guid->node[2], guid->node[3],
908 guid->node[4], guid->node[5]);
911 void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid)
913 ndr->print(ndr, "%-25s: %s", name, GUID_string(ndr->mem_ctx, guid));
916 void ndr_print_DATA_BLOB(struct ndr_print *ndr, const char *name, DATA_BLOB r)
918 ndr->print(ndr, "%-25s: DATA_BLOB length=%u", name, r.length);
920 dump_data(10, r.data, r.length);
926 push a DATA_BLOB onto the wire.
928 NTSTATUS ndr_push_DATA_BLOB(struct ndr_push *ndr, DATA_BLOB blob)
930 if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
931 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
932 blob.length = NDR_ALIGN(ndr, 2);
933 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
934 blob.length = NDR_ALIGN(ndr, 4);
935 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
936 blob.length = NDR_ALIGN(ndr, 8);
938 NDR_PUSH_ALLOC_SIZE(ndr, blob.data, blob.length);
939 data_blob_clear(&blob);
940 } else if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
941 NDR_CHECK(ndr_push_uint32(ndr, blob.length));
943 NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
948 pull a DATA_BLOB from the wire.
950 NTSTATUS ndr_pull_DATA_BLOB(struct ndr_pull *ndr, DATA_BLOB *blob)
954 if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
955 if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
956 length = NDR_ALIGN(ndr, 2);
957 } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
958 length = NDR_ALIGN(ndr, 4);
959 } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
960 length = NDR_ALIGN(ndr, 8);
962 if (ndr->data_size - ndr->offset < length) {
963 length = ndr->data_size - ndr->offset;
965 } else if (ndr->flags & LIBNDR_FLAG_REMAINING) {
966 length = ndr->data_size - ndr->offset;
968 NDR_CHECK(ndr_pull_uint32(ndr, &length));
970 NDR_PULL_NEED_BYTES(ndr, length);
971 *blob = data_blob_talloc(ndr->mem_ctx, ndr->data+ndr->offset, length);
972 ndr->offset += length;
977 this is a tiny ndr packet generator. This
978 generator is not general enough for all our rpc needs, its just
979 enough for the ntlmssp code
981 format specifiers are:
983 U = unicode string (input is unix string)
984 a = address (input is char *unix_string)
985 (1 byte type, 1 byte length, unicode/ASCII string, all inline)
986 A = ASCII string (input is unix string)
987 B = data blob (pointer + length)
988 b = data blob in header (pointer + length)
991 C = constant ascii string
993 NTSTATUS ndr_push_format_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
994 const char *format, ...)
1000 int head_size=0, data_size=0;
1001 int head_ofs, data_ofs;
1003 /* first scan the format to work out the header and body size */
1004 va_start(ap, format);
1005 for (i=0; format[i]; i++) {
1006 switch (format[i]) {
1008 s = va_arg(ap, char *);
1010 data_size += str_charnum(s) * 2;
1013 s = va_arg(ap, char *);
1015 data_size += str_ascii_charnum(s);
1018 n = va_arg(ap, int);
1019 s = va_arg(ap, char *);
1020 data_size += (str_charnum(s) * 2) + 4;
1023 b = va_arg(ap, uint8_t *);
1025 data_size += va_arg(ap, int);
1028 b = va_arg(ap, uint8_t *);
1029 head_size += va_arg(ap, int);
1032 n = va_arg(ap, int);
1036 s = va_arg(ap, char *);
1037 head_size += str_charnum(s) + 1;
1043 /* allocate the space, then scan the format again to fill in the values */
1044 *blob = data_blob_talloc(mem_ctx, NULL, head_size + data_size);
1046 if (blob->length != (head_size + data_size)) {
1047 return NT_STATUS_NO_MEMORY;
1051 data_ofs = head_size;
1053 va_start(ap, format);
1054 for (i=0; format[i]; i++) {
1055 switch (format[i]) {
1057 s = va_arg(ap, char *);
1059 SSVAL(blob->data, head_ofs, n*2); head_ofs += 2;
1060 SSVAL(blob->data, head_ofs, n*2); head_ofs += 2;
1061 SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4;
1062 push_string(NULL, blob->data+data_ofs, s, n*2, STR_UNICODE|STR_NOALIGN);
1066 s = va_arg(ap, char *);
1067 n = str_ascii_charnum(s);
1068 SSVAL(blob->data, head_ofs, n); head_ofs += 2;
1069 SSVAL(blob->data, head_ofs, n); head_ofs += 2;
1070 SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4;
1071 push_string(NULL, blob->data+data_ofs, s, n, STR_ASCII|STR_NOALIGN);
1075 n = va_arg(ap, int);
1076 SSVAL(blob->data, data_ofs, n); data_ofs += 2;
1077 s = va_arg(ap, char *);
1079 SSVAL(blob->data, data_ofs, n*2); data_ofs += 2;
1081 push_string(NULL, blob->data+data_ofs, s, n*2,
1082 STR_UNICODE|STR_NOALIGN);
1088 b = va_arg(ap, uint8_t *);
1089 n = va_arg(ap, int);
1090 SSVAL(blob->data, head_ofs, n); head_ofs += 2;
1091 SSVAL(blob->data, head_ofs, n); head_ofs += 2;
1092 SIVAL(blob->data, head_ofs, data_ofs); head_ofs += 4;
1093 if (n && b) /* don't follow null pointers... */
1094 memcpy(blob->data+data_ofs, b, n);
1098 n = va_arg(ap, int);
1099 SIVAL(blob->data, head_ofs, n); head_ofs += 4;
1102 b = va_arg(ap, uint8_t *);
1103 n = va_arg(ap, int);
1104 memcpy(blob->data + head_ofs, b, n);
1108 s = va_arg(ap, char *);
1109 head_ofs += push_string(NULL, blob->data+head_ofs, s, -1,
1110 STR_ASCII|STR_TERMINATE);
1116 return NT_STATUS_OK;
1120 /* a helpful macro to avoid running over the end of our blob */
1121 #define NEED_DATA(amount) \
1122 if ((head_ofs + amount) > blob->length) { \
1123 return NT_STATUS_INVALID_PARAMETER; \
1127 this is a tiny msrpc packet parser. This the the partner of msrpc_gen
1129 format specifiers are:
1131 U = unicode string (output is unix string)
1134 b = data blob in header
1136 C = constant ascii string
1139 NTSTATUS ndr_pull_format_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
1140 const char *format, ...)
1144 const char **ps, *s;
1146 size_t head_ofs = 0;
1147 uint16_t len1, len2;
1152 va_start(ap, format);
1153 for (i=0; format[i]; i++) {
1154 switch (format[i]) {
1157 len1 = SVAL(blob->data, head_ofs); head_ofs += 2;
1158 len2 = SVAL(blob->data, head_ofs); head_ofs += 2;
1159 ptr = IVAL(blob->data, head_ofs); head_ofs += 4;
1161 ps = va_arg(ap, char **);
1162 if (len1 == 0 && len2 == 0) {
1165 /* make sure its in the right format - be strict */
1166 if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) {
1167 return NT_STATUS_INVALID_PARAMETER;
1170 /* if odd length and unicode */
1171 return NT_STATUS_INVALID_PARAMETER;
1173 if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data)
1174 return NT_STATUS_INVALID_PARAMETER;
1177 pull_string(NULL, p, blob->data + ptr, sizeof(p),
1179 STR_UNICODE|STR_NOALIGN);
1180 (*ps) = talloc_strdup(mem_ctx, p);
1182 return NT_STATUS_NO_MEMORY;
1191 len1 = SVAL(blob->data, head_ofs); head_ofs += 2;
1192 len2 = SVAL(blob->data, head_ofs); head_ofs += 2;
1193 ptr = IVAL(blob->data, head_ofs); head_ofs += 4;
1195 ps = va_arg(ap, char **);
1196 /* make sure its in the right format - be strict */
1197 if (len1 == 0 && len2 == 0) {
1200 if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) {
1201 return NT_STATUS_INVALID_PARAMETER;
1204 if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data)
1205 return NT_STATUS_INVALID_PARAMETER;
1208 pull_string(NULL, p, blob->data + ptr, sizeof(p),
1210 STR_ASCII|STR_NOALIGN);
1211 (*ps) = talloc_strdup(mem_ctx, p);
1213 return NT_STATUS_NO_MEMORY;
1222 len1 = SVAL(blob->data, head_ofs); head_ofs += 2;
1223 len2 = SVAL(blob->data, head_ofs); head_ofs += 2;
1224 ptr = IVAL(blob->data, head_ofs); head_ofs += 4;
1226 b = (DATA_BLOB *)va_arg(ap, void *);
1227 if (len1 == 0 && len2 == 0) {
1228 *b = data_blob_talloc(mem_ctx, NULL, 0);
1230 /* make sure its in the right format - be strict */
1231 if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) {
1232 return NT_STATUS_INVALID_PARAMETER;
1235 if (blob->data + ptr < (uint8_t *)ptr || blob->data + ptr < blob->data)
1236 return NT_STATUS_INVALID_PARAMETER;
1238 *b = data_blob_talloc(mem_ctx, blob->data + ptr, len1);
1242 b = (DATA_BLOB *)va_arg(ap, void *);
1243 len1 = va_arg(ap, uint_t);
1244 /* make sure its in the right format - be strict */
1246 if (blob->data + head_ofs < (uint8_t *)head_ofs || blob->data + head_ofs < blob->data)
1247 return NT_STATUS_INVALID_PARAMETER;
1249 *b = data_blob_talloc(mem_ctx, blob->data + head_ofs, len1);
1253 v = va_arg(ap, uint32_t *);
1255 *v = IVAL(blob->data, head_ofs); head_ofs += 4;
1258 s = va_arg(ap, char *);
1260 if (blob->data + head_ofs < (uint8_t *)head_ofs || blob->data + head_ofs < blob->data)
1261 return NT_STATUS_INVALID_PARAMETER;
1263 head_ofs += pull_string(NULL, p, blob->data+head_ofs, sizeof(p),
1264 blob->length - head_ofs,
1265 STR_ASCII|STR_TERMINATE);
1266 if (strcmp(s, p) != 0) {
1267 return NT_STATUS_INVALID_PARAMETER;
1274 return NT_STATUS_OK;