/*
push an array of uint8
*/
_PUBLIC_ enum ndr_err_code ndr_push_array_uint8(struct ndr_push *ndr, int ndr_flags, const uint8_t *data, uint32_t n)
{
if (!(ndr_flags & NDR_SCALARS)) {
return NDR_ERR_SUCCESS;
}
return ndr_push_bytes(ndr, data, n);
}
/*
push a DATA_BLOB onto the wire.
*/
_PUBLIC_ enum ndr_err_code ndr_push_DATA_BLOB(struct ndr_push *ndr, int ndr_flags, DATA_BLOB blob)
{
if (ndr->flags & LIBNDR_ALIGN_FLAGS) {
if (ndr->flags & LIBNDR_FLAG_ALIGN2) {
blob.length = NDR_ALIGN(ndr, 2);
} else if (ndr->flags & LIBNDR_FLAG_ALIGN4) {
blob.length = NDR_ALIGN(ndr, 4);
} else if (ndr->flags & LIBNDR_FLAG_ALIGN8) {
blob.length = NDR_ALIGN(ndr, 8);
}
NDR_PUSH_ALLOC_SIZE(ndr, blob.data, blob.length);
data_blob_clear(&blob);
} else if (!(ndr->flags & LIBNDR_FLAG_REMAINING)) {
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, blob.length));
}
NDR_CHECK(ndr_push_bytes(ndr, blob.data, blob.length));
return NDR_ERR_SUCCESS;
}
/*
push a subcontext header
*/
_PUBLIC_ enum ndr_err_code ndr_push_subcontext_end(struct ndr_push *ndr,
struct ndr_push *subndr,
size_t header_size,
ssize_t size_is)
{
ssize_t padding_len;
if (size_is >= 0) {
padding_len = size_is - subndr->offset;
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) {
case 0:
break;
case 2:
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, subndr->offset));
break;
case 4:
NDR_CHECK(ndr_push_uint3264(ndr, NDR_SCALARS, subndr->offset));
break;
case 0xFFFFFC01:
/*
* Common Type Header for the Serialization Stream
* See [MS-RPCE] 2.2.6 Type Serialization Version 1
*/
padding_len = NDR_ROUND(subndr->offset, 8) - subndr->offset;
if (padding_len > 0) {
NDR_CHECK(ndr_push_zero(subndr, padding_len));
}
/* version */
NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, 1));
/*
* 0x10 little endian
* 0x00 big endian
*/
NDR_CHECK(ndr_push_uint8(ndr, NDR_SCALARS, NDR_BE(ndr)?0x00:0x10));
/* length of the "Private Header for Constructed Type" */
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, 8));
/* filler */
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0xCCCCCCCC));
/*
* Private Header for Constructed Type
*/
/* length - will be updated latter */
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, subndr->offset));
/* reserved */
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
break;
default:
return ndr_push_error(ndr, NDR_ERR_SUBCONTEXT, "Bad subcontext header size %d",
(int)header_size);
}
NDR_CHECK(ndr_push_bytes(ndr, subndr->data, subndr->offset));
return NDR_ERR_SUCCESS;
}
/**
push a general string onto the wire
*/
NTSTATUS ndr_push_string(struct ndr_push *ndr, int ndr_flags, const char *s)
{
ssize_t s_len, c_len, d_len;
charset_t chset = CH_UTF16LE;
unsigned flags = ndr->flags;
unsigned byte_mul = 2;
uint8_t *dest = NULL;
if (!(ndr_flags & NDR_SCALARS)) {
return NT_STATUS_OK;
}
if (NDR_BE(ndr)) {
chset = CH_UTF16BE;
}
s_len = s?strlen(s):0;
if (flags & LIBNDR_FLAG_STR_ASCII) {
chset = CH_DOS;
byte_mul = 1;
flags &= ~LIBNDR_FLAG_STR_ASCII;
}
if (flags & LIBNDR_FLAG_STR_UTF8) {
chset = CH_UTF8;
byte_mul = 1;
flags &= ~LIBNDR_FLAG_STR_UTF8;
}
flags &= ~LIBNDR_FLAG_STR_CONFORMANT;
if (!(flags &
(LIBNDR_FLAG_STR_NOTERM |
LIBNDR_FLAG_STR_FIXLEN15 |
LIBNDR_FLAG_STR_FIXLEN32))) {
s_len++;
}
d_len = convert_string_talloc(ndr, CH_UNIX, chset, s, s_len, &dest,
False);
if (d_len == -1) {
return ndr_push_error(ndr, NDR_ERR_CHARCNV,
"Bad character conversion");
}
if (flags & LIBNDR_FLAG_STR_BYTESIZE) {
c_len = d_len;
flags &= ~LIBNDR_FLAG_STR_BYTESIZE;
} else if (flags & LIBNDR_FLAG_STR_CHARLEN) {
c_len = (d_len / byte_mul)-1;
flags &= ~LIBNDR_FLAG_STR_CHARLEN;
} else {
c_len = d_len / byte_mul;
}
switch ((flags & LIBNDR_STRING_FLAGS) & ~LIBNDR_FLAG_STR_NOTERM) {
case LIBNDR_FLAG_STR_LEN4|LIBNDR_FLAG_STR_SIZE4:
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
break;
case LIBNDR_FLAG_STR_LEN4:
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, 0));
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
break;
case LIBNDR_FLAG_STR_SIZE4:
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, c_len));
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
break;
case LIBNDR_FLAG_STR_SIZE2:
NDR_CHECK(ndr_push_uint16(ndr, NDR_SCALARS, c_len));
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
break;
case LIBNDR_FLAG_STR_NULLTERM:
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
break;
case LIBNDR_FLAG_STR_FIXLEN15:
case LIBNDR_FLAG_STR_FIXLEN32: {
ssize_t fix_len = (flags & LIBNDR_FLAG_STR_FIXLEN32)?32:15;
uint32_t pad_len = fix_len - d_len;
if (d_len > fix_len) {
return ndr_push_error(ndr, NDR_ERR_CHARCNV,
"Bad character conversion");
}
NDR_CHECK(ndr_push_bytes(ndr, dest, d_len));
if (pad_len != 0) {
NDR_CHECK(ndr_push_zero(ndr, pad_len));
}
break;
}
default:
return ndr_push_error(ndr, NDR_ERR_STRING, "Bad string flags 0x%x\n",
ndr->flags & LIBNDR_STRING_FLAGS);
}
talloc_free(dest);
return NT_STATUS_OK;
}
