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authorSimo Sorce <idra@samba.org>2010-07-13 09:26:13 -0400
committerGünther Deschner <gd@samba.org>2010-07-16 01:51:16 +0200
commit5918a6c751e9dc1a93c4e1851149a270c4216ee1 (patch)
treefa233a48a8cd3303d5bfb355b9771451eb43e1cc /source3
parentf0626d14f051c11cdb2356bd730342249feeb0a9 (diff)
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s3-dcerpc: Stop using hand marshalling in create_next_pdu_ntlmssp()
Signed-off-by: Günther Deschner <gd@samba.org>
Diffstat (limited to 'source3')
-rw-r--r--source3/rpc_server/srv_pipe.c76
1 files changed, 38 insertions, 38 deletions
diff --git a/source3/rpc_server/srv_pipe.c b/source3/rpc_server/srv_pipe.c
index 85c212aa93..97dc3cbe3b 100644
--- a/source3/rpc_server/srv_pipe.c
+++ b/source3/rpc_server/srv_pipe.c
@@ -59,18 +59,17 @@ static DATA_BLOB generic_session_key(void)
static bool create_next_pdu_ntlmssp(pipes_struct *p)
{
- DATA_BLOB hdr;
+ DATA_BLOB blob;
uint8_t hdr_flags;
- RPC_HDR_RESP hdr_resp;
uint32 ss_padding_len = 0;
uint32 data_space_available;
uint32 data_len_left;
uint32 data_len;
NTSTATUS status;
- DATA_BLOB auth_blob;
- RPC_HDR_AUTH auth_info;
+ DATA_BLOB auth_blob = data_blob_null;
uint8 auth_type, auth_level;
struct auth_ntlmssp_state *a = p->auth.a_u.auth_ntlmssp_state;
+ union dcerpc_payload u;
TALLOC_CTX *frame;
/*
@@ -83,7 +82,7 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
return True;
}
- memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
+ ZERO_STRUCT(u.response);
/* Set up rpc header flags. */
if (p->out_data.data_sent_length == 0) {
@@ -136,7 +135,7 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
* send.
*/
- hdr_resp.alloc_hint = data_len_left;
+ u.response.alloc_hint = data_len_left;
/*
* Work out if this PDU will be the last.
@@ -152,46 +151,39 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
*/
prs_init_empty(&p->out_data.frag, p->mem_ctx, MARSHALL);
- status = dcerpc_push_ncacn_packet_header(
+ /* Set the data into the PDU. */
+ u.response.stub_and_verifier =
+ data_blob_const(prs_data_p(&p->out_data.rdata), data_len);
+
+ status = dcerpc_push_ncacn_packet(
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->call_id,
- &hdr);
+ &u,
+ &blob);
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. */
+ /* Set the proper length on the pdu */
+ dcerpc_set_frag_length(&blob, blob.length +
+ ss_padding_len +
+ RPC_HDR_AUTH_LEN +
+ NTLMSSP_SIG_SIZE);
+
+ /* Store the packet in the data stream. */
if (!prs_copy_data_in(&p->out_data.frag,
- (char *)hdr.data, hdr.length)) {
+ (char *)blob.data, blob.length)) {
DEBUG(0, ("Out of memory.\n"));
prs_mem_free(&p->out_data.frag);
return False;
}
- if(!smb_io_rpc_hdr_resp("resp", &hdr_resp, &p->out_data.frag, 0)) {
- DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR_RESP.\n"));
- prs_mem_free(&p->out_data.frag);
- return False;
- }
-
- /* Copy the data into the PDU. */
-
- if(!prs_append_some_prs_data(&p->out_data.frag, &p->out_data.rdata,
- p->out_data.data_sent_length, data_len)) {
- DEBUG(0,("create_next_pdu_ntlmssp: failed to copy %u bytes of data.\n", (unsigned int)data_len));
- prs_mem_free(&p->out_data.frag);
- return False;
- }
-
- /* Copy the sign/seal padding data. */
+ /* Append the sign/seal padding data. */
if (ss_padding_len) {
char pad[SERVER_NDR_PADDING_SIZE];
@@ -205,7 +197,6 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
}
}
-
/* Now write out the auth header and null blob. */
if (p->auth.auth_type == PIPE_AUTH_TYPE_NTLMSSP) {
auth_type = DCERPC_AUTH_TYPE_NTLMSSP;
@@ -218,11 +209,20 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
auth_level = DCERPC_AUTH_LEVEL_INTEGRITY;
}
- init_rpc_hdr_auth(&auth_info, auth_type, auth_level, ss_padding_len, 1 /* context id. */);
-
- if (!smb_io_rpc_hdr_auth("hdr_auth", &auth_info,
- &p->out_data.frag, 0)) {
- DEBUG(0,("create_next_pdu_ntlmssp: failed to marshall RPC_HDR_AUTH.\n"));
+ /* auth_blob is intentionally null, it will be appended later */
+ status = dcerpc_push_dcerpc_auth(
+ prs_get_mem_context(&p->out_data.frag),
+ auth_type,
+ auth_level,
+ ss_padding_len,
+ 1, /* context id. */
+ &auth_blob,
+ &blob);
+
+ /* Store auth header in the data stream. */
+ if (!prs_copy_data_in(&p->out_data.frag,
+ (char *)blob.data, blob.length)) {
+ DEBUG(0, ("Out of memory.\n"));
prs_mem_free(&p->out_data.frag);
return False;
}
@@ -269,11 +269,11 @@ static bool create_next_pdu_ntlmssp(pipes_struct *p)
return False;
}
- /* Append the auth blob. */
+ /* Finally append the auth blob. */
if (!prs_copy_data_in(&p->out_data.frag, (char *)auth_blob.data,
NTLMSSP_SIG_SIZE)) {
- DEBUG(0,("create_next_pdu_ntlmssp: failed to add %u bytes auth blob.\n",
- (unsigned int)NTLMSSP_SIG_SIZE));
+ DEBUG(0, ("Failed to add %u bytes auth blob.\n",
+ (unsigned int)NTLMSSP_SIG_SIZE));
talloc_free(frame);
prs_mem_free(&p->out_data.frag);
return False;