_PUBLIC_ enum ndr_err_code ndr_push_xattr_DOSATTRIB(struct ndr_push *ndr,
int ndr_flags,
const struct xattr_DOSATTRIB *r)
{
if (ndr_flags & NDR_SCALARS) {
char *attrib_hex = NULL;
attrib_hex = ndr_compat_xattr_attrib_hex(ndr, r);
NDR_ERR_HAVE_NO_MEMORY(attrib_hex);
NDR_CHECK(ndr_push_align(ndr, 4));
{
uint32_t _flags_save_string = ndr->flags;
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_STR_ASCII|LIBNDR_FLAG_STR_NULLTERM);
NDR_CHECK(ndr_push_string(ndr, NDR_SCALARS, attrib_hex));
ndr->flags = _flags_save_string;
}
if (r->version == 0xFFFF) {
return NDR_ERR_SUCCESS;
}
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, r->version));
NDR_CHECK(ndr_push_set_switch_value(ndr, &r->info, r->version));
NDR_CHECK(ndr_push_xattr_DosInfo(ndr, NDR_SCALARS, &r->info));
}
if (ndr_flags & NDR_BUFFERS) {
}
return NDR_ERR_SUCCESS;
}
/*
parse a dom_sid28 - this is a dom_sid in a fixed 28 byte buffer, so we need to ensure there are only upto 5 sub_auth
*/
enum ndr_err_code ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid)
{
enum ndr_err_code status;
struct ndr_pull *subndr;
if (!(ndr_flags & NDR_SCALARS)) {
return NDR_ERR_SUCCESS;
}
subndr = talloc_zero(ndr, struct ndr_pull);
NDR_ERR_HAVE_NO_MEMORY(subndr);
subndr->flags = ndr->flags;
subndr->current_mem_ctx = ndr->current_mem_ctx;
subndr->data = ndr->data + ndr->offset;
subndr->data_size = 28;
subndr->offset = 0;
NDR_CHECK(ndr_pull_advance(ndr, 28));
status = ndr_pull_dom_sid(subndr, ndr_flags, sid);
if (!NDR_ERR_CODE_IS_SUCCESS(status)) {
/* handle a w2k bug which send random data in the buffer */
ZERO_STRUCTP(sid);
} else if (sid->num_auths == 0 && sid->sub_auths) {
ZERO_STRUCT(sid->sub_auths);
}
return NDR_ERR_SUCCESS;
}
/*
pull a union from a blob using NDR, given the union discriminator,
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,
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);
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));
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 ipv4address
*/
_PUBLIC_ enum ndr_err_code ndr_pull_ipv4address(struct ndr_pull *ndr, int ndr_flags, const char **address)
{
struct in_addr in;
NDR_CHECK(ndr_pull_uint32(ndr, ndr_flags, &in.s_addr));
in.s_addr = htonl(in.s_addr);
*address = talloc_strdup(ndr->current_mem_ctx, inet_ntoa(in));
NDR_ERR_HAVE_NO_MEMORY(*address);
return NDR_ERR_SUCCESS;
}
/*
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,
ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
ndr = ndr_pull_init_blob(blob, mem_ctx, iconv_convenience);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
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,
void *p,
uint32_t level, ndr_pull_flags_fn_t fn)
{
struct ndr_pull *ndr;
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));
talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
/*
store a token in the ndr context, for later retrieval
*/
_PUBLIC_ enum ndr_err_code ndr_token_store(TALLOC_CTX *mem_ctx,
struct ndr_token_list **list,
const void *key,
uint32_t value)
{
struct ndr_token_list *tok;
tok = talloc(mem_ctx, struct ndr_token_list);
NDR_ERR_HAVE_NO_MEMORY(tok);
tok->key = key;
tok->value = value;
DLIST_ADD((*list), tok);
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)
{
struct ndr_push *ndr;
ndr = ndr_push_init_ctx(mem_ctx, iconv_convenience);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
*blob = ndr_push_blob(ndr);
talloc_steal(mem_ctx, blob->data);
talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
_PUBLIC_ enum ndr_err_code ndr_pull_AuthenticationInformationArray(struct ndr_pull *ndr, int ndr_flags, struct AuthenticationInformationArray *r)
{
if (ndr_flags & NDR_SCALARS) {
r->count = 0;
NDR_PULL_ALLOC_N(ndr, r->array, r->count);
/* entry is at least 16 bytes large */
while (ndr->offset + 16 <= ndr->data_size) {
r->array = talloc_realloc(ndr, r->array, struct AuthenticationInformation, r->count + 1);
NDR_ERR_HAVE_NO_MEMORY(r->array);
NDR_CHECK(ndr_pull_AuthenticationInformation(ndr, NDR_SCALARS, &r->array[r->count]));
r->count++;
}
NDR_CHECK(ndr_pull_align(ndr, 4));
}
/*
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);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK_FREE(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);
}
talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
static enum ndr_err_code torture_ndr_push_struct_blob_flags(DATA_BLOB *blob, TALLOC_CTX *mem_ctx, uint32_t flags, uint32_t ndr_flags, const void *p, ndr_push_flags_fn_t fn)
{
struct ndr_push *ndr;
ndr = ndr_push_init_ctx(mem_ctx);
NDR_ERR_HAVE_NO_MEMORY(ndr);
ndr->flags |= ndr_flags;
NDR_CHECK(fn(ndr, flags, p));
*blob = ndr_push_blob(ndr);
talloc_steal(mem_ctx, blob->data);
talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
/*
push a union to a blob using NDR
*/
_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);
NDR_ERR_HAVE_NO_MEMORY(ndr);
NDR_CHECK(ndr_push_set_switch_value(ndr, p, level));
NDR_CHECK(fn(ndr, NDR_SCALARS|NDR_BUFFERS, p));
*blob = ndr_push_blob(ndr);
talloc_steal(mem_ctx, blob->data);
talloc_free(ndr);
return NDR_ERR_SUCCESS;
}
_PUBLIC_ enum ndr_err_code ndr_pull_ipv6address(struct ndr_pull *ndr, int ndr_flags, const char **address)
{
uint8_t addr[IPV6_BYTES];
char *addr_str = talloc_strdup(ndr->current_mem_ctx, "");
int i;
NDR_CHECK(ndr_pull_array_uint8(ndr, ndr_flags, addr, IPV6_BYTES));
for (i = 0; i < IPV6_BYTES; ++i) {
addr_str = talloc_asprintf_append(addr_str, "%02x", addr[i]);
/* We need a ':' every second byte but the last one */
if (i%2 == 1 && i != (IPV6_BYTES - 1)) {
addr_str = talloc_strdup_append(addr_str, ":");
}
}
*address = addr_str;
NDR_ERR_HAVE_NO_MEMORY(*address);
return NDR_ERR_SUCCESS;
}
_PUBLIC_ enum ndr_err_code ndr_pull_ntprinting_printer(struct ndr_pull *ndr, int ndr_flags, struct ntprinting_printer *r)
{
uint32_t _ptr_devmode;
TALLOC_CTX *_mem_save_devmode_0;
{
uint32_t _flags_save_STRUCT = ndr->flags;
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_NOALIGN);
if (ndr_flags & NDR_SCALARS) {
NDR_CHECK(ndr_pull_align(ndr, 5));
NDR_CHECK(ndr_pull_ntprinting_printer_info(ndr, NDR_SCALARS, &r->info));
NDR_CHECK(ndr_pull_generic_ptr(ndr, &_ptr_devmode));
if (_ptr_devmode) {
NDR_PULL_ALLOC(ndr, r->devmode);
} else {
r->devmode = NULL;
}
}
if (ndr_flags & NDR_BUFFERS) {
if (r->devmode) {
_mem_save_devmode_0 = NDR_PULL_GET_MEM_CTX(ndr);
NDR_PULL_SET_MEM_CTX(ndr, r->devmode, 0);
NDR_CHECK(ndr_pull_ntprinting_devicemode(ndr, NDR_SCALARS|NDR_BUFFERS, r->devmode));
NDR_PULL_SET_MEM_CTX(ndr, _mem_save_devmode_0, 0);
}
}
if (ndr_flags & NDR_SCALARS) {
r->count = 0;
NDR_PULL_ALLOC_N(ndr, r->printer_data, r->count);
while (ndr->offset + 4 <= ndr->data_size) {
uint32_t ptr = 0;
ptr = IVAL(ndr->data, ndr->offset);
if (ptr == 0) {
break;
}
r->printer_data = talloc_realloc(ndr, r->printer_data, struct ntprinting_printer_data, r->count + 1);
NDR_ERR_HAVE_NO_MEMORY(r->printer_data);
NDR_CHECK(ndr_pull_ntprinting_printer_data(ndr, NDR_SCALARS, &r->printer_data[r->count]));
r->count++;
}
NDR_CHECK(ndr_pull_trailer_align(ndr, 5));
}
ndr->flags = _flags_save_STRUCT;
}
_PUBLIC_ enum ndr_err_code ndr_push_subcontext_start(struct ndr_push *ndr,
struct ndr_push **_subndr,
size_t header_size,
ssize_t size_is)
{
struct ndr_push *subndr;
subndr = ndr_push_init_ctx(ndr, ndr->iconv_convenience);
NDR_ERR_HAVE_NO_MEMORY(subndr);
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;
}
/*
handle subcontext buffers, which in midl land are user-marshalled, but
we use magic in pidl to make them easier to cope with
*/
_PUBLIC_ enum ndr_err_code ndr_pull_subcontext_start(struct ndr_pull *ndr,
struct ndr_pull **_subndr,
size_t header_size,
ssize_t size_is)
{
struct ndr_pull *subndr;
uint32_t r_content_size;
bool force_le = false;
bool force_be = false;
switch (header_size) {
case 0: {
uint32_t content_size = ndr->data_size - ndr->offset;
if (size_is >= 0) {
content_size = size_is;
}
r_content_size = content_size;
break;
}
case 2: {
uint16_t content_size;
NDR_CHECK(ndr_pull_uint16(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);
}
r_content_size = content_size;
break;
}
case 4: {
uint32_t 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);
}
r_content_size = content_size;
break;
}
case 0xFFFFFC01: {
/*
* Common Type Header for the Serialization Stream
* See [MS-RPCE] 2.2.6 Type Serialization Version 1
*/
uint8_t version;
uint8_t drep;
uint16_t hdrlen;
uint32_t filler;
uint32_t content_size;
uint32_t reserved;
/* version */
NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &version));
if (version != 1) {
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
"Bad subcontext (PULL) Common Type Header version %d != 1",
(int)version);
}
/*
* 0x10 little endian
* 0x00 big endian
*/
NDR_CHECK(ndr_pull_uint8(ndr, NDR_SCALARS, &drep));
if (drep == 0x10) {
force_le = true;
} else if (drep == 0x00) {
force_be = true;
} else {
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
"Bad subcontext (PULL) Common Type Header invalid drep 0x%02X",
(unsigned int)drep);
}
/* length of the "Private Header for Constructed Type" */
NDR_CHECK(ndr_pull_uint16(ndr, NDR_SCALARS, &hdrlen));
if (hdrlen != 8) {
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
"Bad subcontext (PULL) Common Type Header length %d != 8",
(int)hdrlen);
}
/* filler should be ignored */
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &filler));
/*
* Private Header for Constructed Type
*/
/* length - will be updated latter */
NDR_CHECK(ndr_pull_uint32(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);
}
/* the content size must be a multiple of 8 */
if ((content_size % 8) != 0) {
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT,
"Bad subcontext (PULL) size_is(%d) not padded to 8 content_size %d",
(int)size_is, (int)content_size);
}
r_content_size = content_size;
/* reserved */
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &reserved));
break;
}
default:
return ndr_pull_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext (PULL) header_size %d",
(int)header_size);
}
NDR_PULL_NEED_BYTES(ndr, r_content_size);
subndr = talloc_zero(ndr, struct ndr_pull);
NDR_ERR_HAVE_NO_MEMORY(subndr);
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);
} else if (force_be) {
ndr_set_flags(&ndr->flags, LIBNDR_FLAG_BIGENDIAN);
}
*_subndr = subndr;
return NDR_ERR_SUCCESS;
}
