-/*
+/*
Unix SMB/CIFS implementation.
libndr interface
Copyright (C) Andrew Tridgell 2003
-
+ Copyright (C) Jelmer Vernooij 2005-2008
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/ndr/libndr.h"
#include "../lib/util/dlinklist.h"
-#if _SAMBA_BUILD_ == 4
-#include "param/param.h"
-#endif
#define NDR_BASE_MARSHALL_SIZE 1024
/* this guid indicates NDR encoding in a protocol tower */
-const struct ndr_syntax_id ndr_transfer_syntax = {
+const struct ndr_syntax_id ndr_transfer_syntax_ndr = {
{ 0x8a885d04, 0x1ceb, 0x11c9, {0x9f, 0xe8}, {0x08,0x00,0x2b,0x10,0x48,0x60} },
2
};
-const struct ndr_syntax_id ndr64_transfer_syntax = {
+const struct ndr_syntax_id ndr_transfer_syntax_ndr64 = {
{ 0x71710533, 0xbeba, 0x4937, {0x83, 0x19}, {0xb5,0xdb,0xef,0x9c,0xcc,0x36} },
1
};
+const struct ndr_syntax_id ndr_syntax_id_null = {
+ { 0, 0, 0, { 0, 0 }, { 0, 0, 0, 0, 0, 0 } },
+ 0
+};
+
/*
work out the number of bytes needed to align on a n byte boundary
*/
/*
initialise a ndr parse structure from a data blob
*/
-_PUBLIC_ struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
+_PUBLIC_ struct ndr_pull *ndr_pull_init_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx)
{
struct ndr_pull *ndr;
ndr->data = blob->data;
ndr->data_size = blob->length;
- ndr->iconv_convenience = talloc_reference(ndr, iconv_convenience);
return ndr;
}
}
/* create a ndr_push structure, ready for some marshalling */
-_PUBLIC_ struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
+_PUBLIC_ struct ndr_push *ndr_push_init_ctx(TALLOC_CTX *mem_ctx)
{
struct ndr_push *ndr;
if (!ndr->data) {
return NULL;
}
- ndr->iconv_convenience = talloc_reference(ndr, iconv_convenience);
return ndr;
}
{
va_list ap;
char *s = NULL;
- int i, ret;
+ uint32_t i;
+ int ret;
va_start(ap, format);
ret = vasprintf(&s, format, ap);
return;
}
+ if (ndr->no_newline) {
+ DEBUGADD(1,("%s", s));
+ free(s);
+ return;
+ }
+
for (i=0;i<ndr->depth;i++) {
DEBUGADD(1,(" "));
}
free(s);
}
+_PUBLIC_ void ndr_print_printf_helper(struct ndr_print *ndr, const char *format, ...)
+{
+ va_list ap;
+ uint32_t i;
+
+ if (!ndr->no_newline) {
+ for (i=0;i<ndr->depth;i++) {
+ printf(" ");
+ }
+ }
+
+ va_start(ap, format);
+ vprintf(format, ap);
+ va_end(ap);
+ if (!ndr->no_newline) {
+ printf("\n");
+ }
+}
+
_PUBLIC_ void ndr_print_string_helper(struct ndr_print *ndr, const char *format, ...)
{
va_list ap;
- int i;
+ uint32_t i;
- for (i=0;i<ndr->depth;i++) {
- ndr->private_data = talloc_asprintf_append_buffer(
- (char *)ndr->private_data, " ");
+ if (!ndr->no_newline) {
+ for (i=0;i<ndr->depth;i++) {
+ ndr->private_data = talloc_asprintf_append_buffer(
+ (char *)ndr->private_data, " ");
+ }
}
va_start(ap, format);
ndr->private_data = talloc_vasprintf_append_buffer((char *)ndr->private_data,
format, ap);
va_end(ap);
- ndr->private_data = talloc_asprintf_append_buffer((char *)ndr->private_data,
- "\n");
+ if (!ndr->no_newline) {
+ ndr->private_data = talloc_asprintf_append_buffer((char *)ndr->private_data,
+ "\n");
+ }
}
/*
ndr->depth = 1;
ndr->flags = 0;
- /* this is a s4 hack until we build up the courage to pass
- * this all the way down
- */
-#if _SAMBA_BUILD_ == 4
- ndr->iconv_convenience = smb_iconv_convenience_init(talloc_autofree_context(), "ASCII", "UTF-8", true);
-#endif
-
fn(ndr, name, flags, ptr);
talloc_free(ndr);
}
ndr->depth = 1;
ndr->flags = 0;
- /* this is a s4 hack until we build up the courage to pass
- * this all the way down
- */
-#if _SAMBA_BUILD_ == 4
- ndr->iconv_convenience = smb_iconv_convenience_init(talloc_autofree_context(), "ASCII", "UTF-8", true);
-#endif
-
fn(ndr, name, ptr);
ret = talloc_steal(mem_ctx, (char *)ndr->private_data);
failed:
subndr->data = ndr->data + ndr->offset;
subndr->offset = 0;
subndr->data_size = r_content_size;
- subndr->iconv_convenience = talloc_reference(subndr, ndr->iconv_convenience);
if (force_le) {
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_LITTLE_ENDIAN);
{
struct ndr_push *subndr;
- subndr = ndr_push_init_ctx(ndr, ndr->iconv_convenience);
+ subndr = ndr_push_init_ctx(ndr);
NDR_ERR_HAVE_NO_MEMORY(subndr);
subndr->flags = ndr->flags & ~LIBNDR_FLAG_NDR64;
return NDR_ERR_SUCCESS;
}
+_PUBLIC_ enum ndr_err_code ndr_push_pipe_chunk_trailer(struct ndr_push *ndr, int ndr_flags, uint32_t count)
+{
+ if (ndr->flags & LIBNDR_FLAG_NDR64) {
+ int64_t tmp = 0 - (int64_t)count;
+ uint64_t ncount = tmp;
+
+ NDR_CHECK(ndr_push_hyper(ndr, ndr_flags, ncount));
+ }
+
+ return NDR_ERR_SUCCESS;
+}
+
+_PUBLIC_ enum ndr_err_code ndr_check_pipe_chunk_trailer(struct ndr_pull *ndr, int ndr_flags, uint32_t count)
+{
+ if (ndr->flags & LIBNDR_FLAG_NDR64) {
+ int64_t tmp = 0 - (int64_t)count;
+ uint64_t ncount1 = tmp;
+ uint64_t ncount2;
+
+ NDR_CHECK(ndr_pull_hyper(ndr, ndr_flags, &ncount2));
+ if (ncount1 == ncount2) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
+ "Bad pipe trailer[%lld should be %lld] size was %lu\"",
+ (unsigned long long)ncount2,
+ (unsigned long long)ncount1,
+ (unsigned long)count);
+ }
+
+ return NDR_ERR_SUCCESS;
+}
+
/*
store a switch value
*/
/*
pull a struct from a blob using NDR
*/
-_PUBLIC_ enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, void *p,
+_PUBLIC_ enum ndr_err_code ndr_pull_struct_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx, void *p,
ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
talloc_free(ndr);
pull a struct from a blob using NDR - failing if all bytes are not consumed
*/
_PUBLIC_ enum ndr_err_code ndr_pull_struct_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
- struct smb_iconv_convenience *iconv_convenience,
void *p, ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
uint32_t highest_ofs;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
if (ndr->offset > ndr->relative_highest_offset) {
pull a union from a blob using NDR, given the union discriminator
*/
_PUBLIC_ enum ndr_err_code ndr_pull_union_blob(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
- struct smb_iconv_convenience *iconv_convenience, void *p,
+ void *p,
uint32_t level, ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
failing if all bytes are not consumed
*/
_PUBLIC_ enum ndr_err_code ndr_pull_union_blob_all(const DATA_BLOB *blob, TALLOC_CTX *mem_ctx,
- struct smb_iconv_convenience *iconv_convenience, void *p,
+ void *p,
uint32_t level, ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
uint32_t highest_ofs;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
/*
push a struct to a blob using NDR
*/
-_PUBLIC_ enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, const void *p, ndr_push_flags_fn_t fn)
+_PUBLIC_ enum ndr_err_code ndr_push_struct_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, const void *p, ndr_push_flags_fn_t fn)
{
struct ndr_push *ndr;
- ndr = ndr_push_init_ctx(mem_ctx, iconv_convenience);
+ ndr = ndr_push_init_ctx(mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
/*
push a union to a blob using NDR
*/
-_PUBLIC_ enum ndr_err_code ndr_push_union_blob(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience, void *p,
+_PUBLIC_ 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)
{
struct ndr_push *ndr;
- ndr = ndr_push_init_ctx(mem_ctx, iconv_convenience);
+ ndr = ndr_push_init_ctx(mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK(ndr_push_set_switch_value(ndr, p, level));
/*
generic ndr_size_*() handler for structures
*/
-_PUBLIC_ size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push, struct smb_iconv_convenience *iconv_convenience)
+_PUBLIC_ size_t ndr_size_struct(const void *p, int flags, ndr_push_flags_fn_t push)
{
struct ndr_push *ndr;
enum ndr_err_code status;
/* avoid recursion */
if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
- ndr = ndr_push_init_ctx(NULL, iconv_convenience);
+ ndr = ndr_push_init_ctx(NULL);
if (!ndr) return 0;
ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
status = push(ndr, NDR_SCALARS|NDR_BUFFERS, discard_const(p));
/*
generic ndr_size_*() handler for unions
*/
-_PUBLIC_ size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push, struct smb_iconv_convenience *iconv_convenience)
+_PUBLIC_ size_t ndr_size_union(const void *p, int flags, uint32_t level, ndr_push_flags_fn_t push)
{
struct ndr_push *ndr;
enum ndr_err_code status;
/* avoid recursion */
if (flags & LIBNDR_FLAG_NO_NDR_SIZE) return 0;
- ndr = ndr_push_init_ctx(NULL, iconv_convenience);
+ ndr = ndr_push_init_ctx(NULL);
if (!ndr) return 0;
ndr->flags |= flags | LIBNDR_FLAG_NO_NDR_SIZE;
return NDR_ERR_SUCCESS;
}
if (!(ndr->flags & LIBNDR_FLAG_RELATIVE_REVERSE)) {
+ uint32_t relative_offset;
+ size_t pad;
+ size_t align = 1;
+
+ if (ndr->offset < ndr->relative_base_offset) {
+ return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
+ "ndr_push_relative_ptr2_start ndr->offset(%u) < ndr->relative_base_offset(%u)",
+ ndr->offset, ndr->relative_base_offset);
+ }
+
+ relative_offset = ndr->offset - ndr->relative_base_offset;
+
+ if (ndr->flags & LIBNDR_FLAG_NOALIGN) {
+ align = 1;
+ } else if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
+ align = 2;
+ } else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
+ align = 4;
+ } else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
+ align = 8;
+ }
+
+ pad = ndr_align_size(relative_offset, align);
+ if (pad) {
+ NDR_CHECK(ndr_push_zero(ndr, pad));
+ }
+
return ndr_push_relative_ptr2(ndr, p);
}
if (ndr->relative_end_offset == -1) {
return NDR_ERR_SUCCESS;
}
+ if (ndr->flags & LIBNDR_FLAG_NO_NDR_SIZE) {
+ /* better say more than calculation a too small buffer */
+ NDR_PUSH_ALIGN(ndr, 8);
+ return NDR_ERR_SUCCESS;
+ }
+
if (ndr->relative_end_offset < ndr->offset) {
return ndr_push_error(ndr, NDR_ERR_RELATIVE,
"ndr_push_relative_ptr2_end:"
/* the reversed offset is at the end of the main buffer */
correct_offset = ndr->relative_end_offset - len;
- if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
+ if (ndr->flags & LIBNDR_FLAG_NOALIGN) {
+ align = 1;
+ } else if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
align = 2;
} else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
align = 4;
}
if (len > 0) {
+ uint32_t clear_size = correct_offset - begin_offset;
+
+ clear_size = MIN(clear_size, len);
+
/* now move the marshalled buffer to the end of the main buffer */
memmove(ndr->data + correct_offset, ndr->data + begin_offset, len);
- /* and wipe out old buffer within the main buffer */
- memset(ndr->data + begin_offset, '\0', len);
+ if (clear_size) {
+ /* and wipe out old buffer within the main buffer */
+ memset(ndr->data + begin_offset, '\0', clear_size);
+ }
}
/* and set the end offset for the next buffer */