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s3-dcerpc: use dcerpc_push_ncacn_packet_header() in create_next_pdu_ntlmssp()

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Signed-off-by: Günther Deschner <gd@samba.org>
This commit is contained in:
Simo Sorce 2010-07-09 15:33:03 -04:00 committed by Günther Deschner
parent 77699c777e
commit 98913d8f44
1 changed files with 26 additions and 21 deletions
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47
source3/rpc_server/srv_pipe.c
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@ -59,6 +59,8 @@ static DATA_BLOB generic_session_key(void)
static bool create_next_pdu_ntlmssp(pipes_struct *p)
{
DATA_BLOB hdr;
uint8_t hdr_flags;
RPC_HDR_RESP hdr_resp;
uint32 ss_padding_len = 0;
uint32 data_space_available;
@ -83,14 +85,11 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
/* Change the incoming request header to a response. */
p->hdr.pkt_type = DCERPC_PKT_RESPONSE;
/* Set up rpc header flags. */
if (p->out_data.data_sent_length == 0) {
p->hdr.flags = DCERPC_PFC_FLAG_FIRST;
hdr_flags = DCERPC_PFC_FLAG_FIRST;
} else {
p->hdr.flags = 0;
hdr_flags = 0;
}
/*
@ -142,31 +141,37 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
/*
* Work out if this PDU will be the last.
*/
if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
p->hdr.flags |= DCERPC_PFC_FLAG_LAST;
if (p->out_data.data_sent_length + data_len >=
prs_offset(&p->out_data.rdata)) {
hdr_flags |= DCERPC_PFC_FLAG_LAST;
}
/*
* Set up the header lengths.
*/
p->hdr.frag_len = RPC_HEADER_LEN + RPC_HDR_RESP_LEN +
data_len + ss_padding_len +
RPC_HDR_AUTH_LEN + NTLMSSP_SIG_SIZE;
p->hdr.auth_len = NTLMSSP_SIG_SIZE;
/*
* Init the parse struct to point at the outgoing
* data.
*/
prs_init_empty(&p->out_data.frag, p->mem_ctx, MARSHALL);
status = dcerpc_push_ncacn_packet_header(
prs_get_mem_context(&p->out_data.frag),
DCERPC_PKT_RESPONSE,
hdr_flags,
RPC_HEADER_LEN + RPC_HDR_RESP_LEN +
data_len + ss_padding_len +
RPC_HDR_AUTH_LEN + NTLMSSP_SIG_SIZE,
NTLMSSP_SIG_SIZE,
p->hdr.call_id,
&hdr);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Failed to marshall RPC Header.\n"));
prs_mem_free(&p->out_data.frag);
return False;
}
/* Store the header in the data stream. */
if(!smb_io_rpc_hdr("hdr", &p->hdr, &p->out_data.frag, 0)) {
DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR.\n"));
if (!prs_copy_data_in(&p->out_data.frag,
(char *)hdr.data, hdr.length)) {
DEBUG(0, ("Out of memory.\n"));
prs_mem_free(&p->out_data.frag);
return False;
}