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s3-dcerpc: use dcerpc_push_ncacn_packet() in create_rpc_bind_auth3()

This commit is contained in:
Simo Sorce 2010-07-08 13:30:50 -04:00
parent 7e134f179f
commit 91cb2aed54

View File

@ -2713,48 +2713,43 @@ static NTSTATUS create_rpc_bind_auth3(struct rpc_pipe_client *cli,
DATA_BLOB *pauth_blob,
prs_struct *rpc_out)
{
RPC_HDR hdr;
RPC_HDR_AUTH hdr_auth;
uint32 pad = 0;
uint16_t auth_len = pauth_blob->length;
uint16_t frag_len = 0;
NTSTATUS status;
union dcerpc_payload u;
DATA_BLOB blob;
/* Create the request RPC_HDR */
init_rpc_hdr(&hdr, DCERPC_PKT_AUTH3, DCERPC_PFC_FLAG_FIRST|DCERPC_PFC_FLAG_LAST, rpc_call_id,
RPC_HEADER_LEN + 4 /* pad */ + RPC_HDR_AUTH_LEN + pauth_blob->length,
pauth_blob->length );
u.auth3._pad = 0;
/* Marshall it. */
if(!smb_io_rpc_hdr("hdr", &hdr, rpc_out, 0)) {
DEBUG(0,("create_rpc_bind_auth3: failed to marshall RPC_HDR.\n"));
return NT_STATUS_NO_MEMORY;
}
/*
I'm puzzled about this - seems to violate the DCE RPC auth rules,
about padding - shouldn't this pad to length CLIENT_NDR_PADDING_SIZE ? JRA.
*/
/* 4 bytes padding. */
if (!prs_uint32("pad", rpc_out, 0, &pad)) {
DEBUG(0,("create_rpc_bind_auth3: failed to marshall 4 byte pad.\n"));
return NT_STATUS_NO_MEMORY;
}
/* Create the request RPC_HDR_AUTHA */
init_rpc_hdr_auth(&hdr_auth,
status = dcerpc_push_dcerpc_auth(prs_get_mem_context(rpc_out),
map_pipe_auth_type_to_rpc_auth_type(auth_type),
auth_level, 0, 1);
if(!smb_io_rpc_hdr_auth("hdr_auth", &hdr_auth, rpc_out, 0)) {
DEBUG(0,("create_rpc_bind_auth3: failed to marshall RPC_HDR_AUTHA.\n"));
return NT_STATUS_NO_MEMORY;
auth_level,
0, /* auth_pad_length */
1, /* auth_context_id */
pauth_blob,
&u.auth3.auth_info);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/*
* Append the auth data to the outgoing buffer.
*/
/* Start building the frag length. */
frag_len = RPC_HEADER_LEN + 4 /* pad */ + RPC_HDR_AUTH_LEN + auth_len;
if(!prs_copy_data_in(rpc_out, (char *)pauth_blob->data, pauth_blob->length)) {
DEBUG(0,("create_rpc_bind_auth3: failed to marshall auth blob.\n"));
status = dcerpc_push_ncacn_packet(prs_get_mem_context(rpc_out),
DCERPC_PKT_AUTH3,
DCERPC_PFC_FLAG_FIRST |
DCERPC_PFC_FLAG_LAST,
frag_len,
auth_len ? auth_len - RPC_HDR_AUTH_LEN : 0,
rpc_call_id,
u,
&blob);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("create_bind_or_alt_ctx_internal: failed to marshall RPC_HDR_RB.\n"));
return status;
}
if (!prs_copy_data_in(rpc_out, (char *)blob.data, blob.length)) {
return NT_STATUS_NO_MEMORY;
}