/*
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 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,
uint32_t level, 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(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;
}
/*
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, void *p,
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(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);
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;
}
