-/*
+/*
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(0,(" "));
+ DEBUGADD(1,(" "));
}
- DEBUGADD(0,("%s\n", s));
+ DEBUGADD(1,("%s\n", s));
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");
+ }
}
/*
{
struct ndr_print *ndr;
+ DEBUG(1,(" "));
+
ndr = talloc_zero(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
{
struct ndr_print *ndr;
+ DEBUG(1,(" "));
+
ndr = talloc_zero(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
{
struct ndr_print *ndr;
+ DEBUG(1,(" "));
+
ndr = talloc_zero(NULL, struct ndr_print);
if (!ndr) return;
ndr->print = ndr_print_debug_helper;
ndr->depth = 1;
ndr->flags = 0;
+
fn(ndr, name, flags, ptr);
talloc_free(ndr);
}
ndr->print = ndr_print_string_helper;
ndr->depth = 1;
ndr->flags = 0;
+
fn(ndr, name, ptr);
ret = talloc_steal(mem_ctx, (char *)ndr->private_data);
failed:
/* the big/little endian flags are inter-dependent */
if (new_flags & LIBNDR_FLAG_LITTLE_ENDIAN) {
(*pflags) &= ~LIBNDR_FLAG_BIGENDIAN;
+ (*pflags) &= ~LIBNDR_FLAG_NDR64;
}
if (new_flags & LIBNDR_FLAG_BIGENDIAN) {
(*pflags) &= ~LIBNDR_FLAG_LITTLE_ENDIAN;
+ (*pflags) &= ~LIBNDR_FLAG_NDR64;
}
if (new_flags & LIBNDR_FLAG_REMAINING) {
(*pflags) &= ~LIBNDR_ALIGN_FLAGS;
if (new_flags & LIBNDR_ALIGN_FLAGS) {
(*pflags) &= ~LIBNDR_FLAG_REMAINING;
}
+ if (new_flags & LIBNDR_FLAG_NO_RELATIVE_REVERSE) {
+ (*pflags) &= ~LIBNDR_FLAG_RELATIVE_REVERSE;
+ }
(*pflags) |= new_flags;
}
case 4: {
uint32_t content_size;
- NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &content_size));
+ NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &content_size));
if (size_is >= 0 && size_is != content_size) {
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) size_is(%d) mismatch content_size %d",
(int)size_is, (int)content_size);
subndr = talloc_zero(ndr, struct ndr_pull);
NDR_ERR_HAVE_NO_MEMORY(subndr);
- subndr->flags = ndr->flags;
+ subndr->flags = ndr->flags & ~LIBNDR_FLAG_NDR64;
subndr->current_mem_ctx = ndr->current_mem_ctx;
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;
+ subndr->flags = ndr->flags & ~LIBNDR_FLAG_NDR64;
+
+ if (size_is > 0) {
+ NDR_CHECK(ndr_push_zero(subndr, size_is));
+ subndr->offset = 0;
+ subndr->relative_end_offset = size_is;
+ }
*_subndr = subndr;
return NDR_ERR_SUCCESS;
if (size_is >= 0) {
padding_len = size_is - subndr->offset;
- if (padding_len > 0) {
- NDR_CHECK(ndr_push_zero(subndr, padding_len));
- } else if (padding_len < 0) {
+ if (padding_len < 0) {
return ndr_push_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PUSH) content_size %d is larger than size_is(%d)",
(int)subndr->offset, (int)size_is);
}
+ subndr->offset = size_is;
}
switch (header_size) {
break;
case 4:
- NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, subndr->offset));
+ NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, subndr->offset));
break;
case 0xFFFFFC01:
_PUBLIC_ enum ndr_err_code ndr_pull_array_size(struct ndr_pull *ndr, const void *p)
{
uint32_t size;
- NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &size));
+ NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &size));
return ndr_token_store(ndr, &ndr->array_size_list, p, size);
}
_PUBLIC_ enum ndr_err_code ndr_pull_array_length(struct ndr_pull *ndr, const void *p)
{
uint32_t length, offset;
- NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &offset));
+ NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &offset));
if (offset != 0) {
return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
"non-zero array offset %u\n", offset);
}
- NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &length));
+ NDR_CHECK(ndr_pull_uint3264(ndr, NDR_SCALARS, &length));
return ndr_token_store(ndr, &ndr->array_length_list, p, length);
}
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(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
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;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ uint32_t highest_ofs;
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
- NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
- if (ndr->offset < ndr->data_size) {
- return ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
- "not all bytes consumed ofs[%u] size[%u]",
- ndr->offset, ndr->data_size);
+ NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ if (ndr->offset > ndr->relative_highest_offset) {
+ highest_ofs = ndr->offset;
+ } else {
+ highest_ofs = ndr->relative_highest_offset;
+ }
+ if (highest_ofs < ndr->data_size) {
+ enum ndr_err_code ret;
+ ret = ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
+ "not all bytes consumed ofs[%u] size[%u]",
+ highest_ofs, ndr->data_size);
+ talloc_free(ndr);
+ return ret;
}
+ talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
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(ndr_pull_set_switch_value(ndr, p, level));
- NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
+ NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
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;
- ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
+ uint32_t highest_ofs;
+ ndr = ndr_pull_init_blob(blob, mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
- NDR_CHECK(ndr_pull_set_switch_value(ndr, p, level));
- NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
- if (ndr->offset < ndr->data_size) {
- return ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
- "not all bytes consumed ofs[%u] size[%u]",
- ndr->offset, ndr->data_size);
+ NDR_CHECK_FREE(ndr_pull_set_switch_value(ndr, p, level));
+ NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
+ if (ndr->offset > ndr->relative_highest_offset) {
+ highest_ofs = ndr->offset;
+ } else {
+ highest_ofs = ndr->relative_highest_offset;
+ }
+ if (highest_ofs < ndr->data_size) {
+ enum ndr_err_code ret;
+ ret = ndr_pull_error(ndr, NDR_ERR_UNREAD_BYTES,
+ "not all bytes consumed ofs[%u] size[%u]",
+ highest_ofs, ndr->data_size);
+ talloc_free(ndr);
+ return ret;
}
+ talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
/*
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_push_uint32(ndr, NDR_SCALARS, 0xFFFFFFFF);
}
+/*
+ push a short relative object - stage1
+ this is called during SCALARS processing
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_short_relative_ptr1(struct ndr_push *ndr, const void *p)
+{
+ if (p == NULL) {
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, 0));
+ return NDR_ERR_SUCCESS;
+ }
+ NDR_CHECK(ndr_push_align(ndr, 2));
+ NDR_CHECK(ndr_token_store(ndr, &ndr->relative_list, p, ndr->offset));
+ return ndr_push_uint16(ndr, NDR_SCALARS, 0xFFFF);
+}
/*
push a relative object - stage2
this is called during buffers processing
*/
-_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2(struct ndr_push *ndr, const void *p)
+static enum ndr_err_code ndr_push_relative_ptr2(struct ndr_push *ndr, const void *p)
{
uint32_t save_offset;
uint32_t ptr_offset = 0xFFFFFFFF;
ndr->offset = save_offset;
return NDR_ERR_SUCCESS;
}
+/*
+ push a short relative object - stage2
+ this is called during buffers processing
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_short_relative_ptr2(struct ndr_push *ndr, const void *p)
+{
+ uint32_t save_offset;
+ uint32_t ptr_offset = 0xFFFF;
+ if (p == NULL) {
+ return NDR_ERR_SUCCESS;
+ }
+ save_offset = ndr->offset;
+ NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &ptr_offset));
+ if (ptr_offset > ndr->offset) {
+ return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
+ "ndr_push_short_relative_ptr2 ptr_offset(%u) > ndr->offset(%u)",
+ ptr_offset, ndr->offset);
+ }
+ ndr->offset = ptr_offset;
+ if (save_offset < ndr->relative_base_offset) {
+ return ndr_push_error(ndr, NDR_ERR_BUFSIZE,
+ "ndr_push_relative_ptr2 save_offset(%u) < ndr->relative_base_offset(%u)",
+ save_offset, ndr->relative_base_offset);
+ }
+ NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, save_offset - ndr->relative_base_offset));
+ ndr->offset = save_offset;
+ return NDR_ERR_SUCCESS;
+}
+
+/*
+ push a relative object - stage2 start
+ this is called during buffers processing
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2_start(struct ndr_push *ndr, const void *p)
+{
+ if (p == NULL) {
+ 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_push_error(ndr, NDR_ERR_RELATIVE,
+ "ndr_push_relative_ptr2_start RELATIVE_REVERSE flag set and relative_end_offset %d",
+ ndr->relative_end_offset);
+ }
+ NDR_CHECK(ndr_token_store(ndr, &ndr->relative_begin_list, p, ndr->offset));
+ return NDR_ERR_SUCCESS;
+}
+
+/*
+ push a relative object - stage2 end
+ this is called during buffers processing
+*/
+_PUBLIC_ enum ndr_err_code ndr_push_relative_ptr2_end(struct ndr_push *ndr, const void *p)
+{
+ uint32_t begin_offset = 0xFFFFFFFF;
+ ssize_t len;
+ uint32_t correct_offset = 0;
+ uint32_t align = 1;
+ uint32_t pad = 0;
+
+ if (p == NULL) {
+ return NDR_ERR_SUCCESS;
+ }
+
+ if (!(ndr->flags & LIBNDR_FLAG_RELATIVE_REVERSE)) {
+ 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:"
+ "relative_end_offset %u < offset %u",
+ ndr->relative_end_offset, ndr->offset);
+ }
+
+ NDR_CHECK(ndr_token_retrieve(&ndr->relative_begin_list, p, &begin_offset));
+
+ /* we have marshalled a buffer, see how long it was */
+ len = ndr->offset - begin_offset;
+
+ if (len < 0) {
+ return ndr_push_error(ndr, NDR_ERR_RELATIVE,
+ "ndr_push_relative_ptr2_end:"
+ "offset %u - begin_offset %u < 0",
+ ndr->offset, begin_offset);
+ }
+
+ if (ndr->relative_end_offset < len) {
+ return ndr_push_error(ndr, NDR_ERR_RELATIVE,
+ "ndr_push_relative_ptr2_end:"
+ "relative_end_offset %u < len %lld",
+ ndr->offset, (long long)len);
+ }
+
+ /* the reversed offset is at the end of the main buffer */
+ correct_offset = ndr->relative_end_offset - len;
+
+ 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(correct_offset, align);
+ if (pad) {
+ correct_offset += pad;
+ correct_offset -= align;
+ }
+
+ if (correct_offset < begin_offset) {
+ return ndr_push_error(ndr, NDR_ERR_RELATIVE,
+ "ndr_push_relative_ptr2_end: "
+ "correct_offset %u < begin_offset %u",
+ correct_offset, begin_offset);
+ }
+
+ 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);
+
+ 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 */
+ ndr->relative_end_offset = correct_offset;
+
+ /* finally write the offset to the main buffer */
+ ndr->offset = correct_offset;
+ NDR_CHECK(ndr_push_relative_ptr2(ndr, p));
+
+ /* restore to where we were in the main buffer */
+ ndr->offset = begin_offset;
+
+ return NDR_ERR_SUCCESS;
+}
/*
get the current base for relative pointers for the pull
NDR_CHECK(ndr_token_retrieve(&ndr->relative_list, p, &rel_offset));
return ndr_pull_set_offset(ndr, rel_offset);
}
+
+const static struct {
+ enum ndr_err_code err;
+ const char *string;
+} ndr_err_code_strings[] = {
+ { NDR_ERR_SUCCESS, "Success" },
+ { NDR_ERR_ARRAY_SIZE, "Bad Array Size" },
+ { NDR_ERR_BAD_SWITCH, "Bad Switch" },
+ { NDR_ERR_OFFSET, "Offset Error" },
+ { NDR_ERR_RELATIVE, "Relative Pointer Error" },
+ { NDR_ERR_CHARCNV, "Character Conversion Error" },
+ { NDR_ERR_LENGTH, "Length Error" },
+ { NDR_ERR_SUBCONTEXT, "Subcontext Error" },
+ { NDR_ERR_COMPRESSION, "Compression Error" },
+ { NDR_ERR_STRING, "String Error" },
+ { NDR_ERR_VALIDATE, "Validate Error" },
+ { NDR_ERR_BUFSIZE, "Buffer Size Error" },
+ { NDR_ERR_ALLOC, "Allocation Error" },
+ { NDR_ERR_RANGE, "Range Error" },
+ { NDR_ERR_TOKEN, "Token Error" },
+ { NDR_ERR_IPV4ADDRESS, "IPv4 Address Error" },
+ { NDR_ERR_INVALID_POINTER, "Invalid Pointer" },
+ { NDR_ERR_UNREAD_BYTES, "Unread Bytes" },
+ { NDR_ERR_NDR64, "NDR64 assertion error" },
+ { 0, NULL }
+};
+
+_PUBLIC_ const char *ndr_map_error2string(enum ndr_err_code ndr_err)
+{
+ int i;
+ for (i = 0; ndr_err_code_strings[i].string != NULL; i++) {
+ if (ndr_err_code_strings[i].err == ndr_err)
+ return ndr_err_code_strings[i].string;
+ }
+ return "Unknown error";
+}