#include "includes.h"
#include "../libcli/auth/libcli_auth.h"
#include "../librpc/gen_ndr/ndr_schannel.h"
+#include "../libcli/auth/schannel.h"
+#include "../libcli/auth/schannel_proto.h"
extern struct current_user current_user;
memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
/* Change the incoming request header to a response. */
- p->hdr.pkt_type = RPC_RESPONSE;
+ p->hdr.pkt_type = DCERPC_PKT_RESPONSE;
/* Set up rpc header flags. */
if (p->out_data.data_sent_length == 0) {
- p->hdr.flags = RPC_FLG_FIRST;
+ p->hdr.flags = DCERPC_PFC_FLAG_FIRST;
} else {
p->hdr.flags = 0;
}
*/
if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
- p->hdr.flags |= RPC_FLG_LAST;
+ p->hdr.flags |= DCERPC_PFC_FLAG_LAST;
if (data_len_left % 8) {
ss_padding_len = 8 - (data_len_left % 8);
DEBUG(10,("create_next_pdu_ntlmssp: adding sign/seal padding of %u\n",
/* Now write out the auth header and null blob. */
if (p->auth.auth_type == PIPE_AUTH_TYPE_NTLMSSP) {
- auth_type = RPC_NTLMSSP_AUTH_TYPE;
+ auth_type = DCERPC_AUTH_TYPE_NTLMSSP;
} else {
- auth_type = RPC_SPNEGO_AUTH_TYPE;
+ auth_type = DCERPC_AUTH_TYPE_SPNEGO;
}
if (p->auth.auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
auth_level = DCERPC_AUTH_LEVEL_PRIVACY;
uint32 data_space_available;
uint32 data_len_left;
uint32 data_pos;
+ NTSTATUS status;
/*
* If we're in the fault state, keep returning fault PDU's until
memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
/* Change the incoming request header to a response. */
- p->hdr.pkt_type = RPC_RESPONSE;
+ p->hdr.pkt_type = DCERPC_PKT_RESPONSE;
/* Set up rpc header flags. */
if (p->out_data.data_sent_length == 0) {
- p->hdr.flags = RPC_FLG_FIRST;
+ p->hdr.flags = DCERPC_PFC_FLAG_FIRST;
} else {
p->hdr.flags = 0;
}
*/
if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
- p->hdr.flags |= RPC_FLG_LAST;
+ p->hdr.flags |= DCERPC_PFC_FLAG_LAST;
if (data_len_left % 8) {
ss_padding_len = 8 - (data_len_left % 8);
DEBUG(10,("create_next_pdu_schannel: adding sign/seal padding of %u\n",
* Schannel processing.
*/
RPC_HDR_AUTH auth_info;
- struct NL_AUTH_SIGNATURE verf;
DATA_BLOB blob;
- enum ndr_err_code ndr_err;
+ uint8_t *data;
/* Check it's the type of reply we were expecting to decode */
init_rpc_hdr_auth(&auth_info,
- RPC_SCHANNEL_AUTH_TYPE,
+ DCERPC_AUTH_TYPE_SCHANNEL,
p->auth.auth_level == DCERPC_AUTH_LEVEL_PRIVACY ?
DCERPC_AUTH_LEVEL_PRIVACY : DCERPC_AUTH_LEVEL_INTEGRITY,
ss_padding_len, 1);
return False;
}
- schannel_encode(p->auth.a_u.schannel_auth,
- p->auth.auth_level, SENDER_IS_ACCEPTOR, &verf,
- prs_data_p(&p->out_data.frag) + data_pos,
- data_len + ss_padding_len);
+ data = (uint8_t *)prs_data_p(&p->out_data.frag) + data_pos;
- /* Finally marshall the blob. */
+ switch (p->auth.auth_level) {
+ case DCERPC_AUTH_LEVEL_PRIVACY:
+ status = netsec_outgoing_packet(p->auth.a_u.schannel_auth,
+ talloc_tos(),
+ true,
+ data,
+ data_len + ss_padding_len,
+ &blob);
+ break;
+ case DCERPC_AUTH_LEVEL_INTEGRITY:
+ status = netsec_outgoing_packet(p->auth.a_u.schannel_auth,
+ talloc_tos(),
+ false,
+ data,
+ data_len + ss_padding_len,
+ &blob);
+ break;
+ default:
+ status = NT_STATUS_INTERNAL_ERROR;
+ break;
+ }
- ndr_err = ndr_push_struct_blob(&blob, talloc_tos(), NULL, &verf,
- (ndr_push_flags_fn_t)ndr_push_NL_AUTH_SIGNATURE);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("create_next_pdu_schannel: failed to process packet: %s\n",
+ nt_errstr(status)));
prs_mem_free(&p->out_data.frag);
return false;
}
+ /* Finally marshall the blob. */
+
if (DEBUGLEVEL >= 10) {
- NDR_PRINT_DEBUG(NL_AUTH_SIGNATURE, &verf);
+ dump_NL_AUTH_SIGNATURE(talloc_tos(), &blob);
}
if (!prs_copy_data_in(&p->out_data.frag, (const char *)blob.data, blob.length)) {
prs_mem_free(&p->out_data.frag);
return false;
}
-
- p->auth.a_u.schannel_auth->seq_num++;
}
/*
memset((char *)&hdr_resp, '\0', sizeof(hdr_resp));
/* Change the incoming request header to a response. */
- p->hdr.pkt_type = RPC_RESPONSE;
+ p->hdr.pkt_type = DCERPC_PKT_RESPONSE;
/* Set up rpc header flags. */
if (p->out_data.data_sent_length == 0) {
- p->hdr.flags = RPC_FLG_FIRST;
+ p->hdr.flags = DCERPC_PFC_FLAG_FIRST;
} else {
p->hdr.flags = 0;
}
*/
if(p->out_data.data_sent_length + data_len >= prs_offset(&p->out_data.rdata)) {
- p->hdr.flags |= RPC_FLG_LAST;
+ p->hdr.flags |= DCERPC_PFC_FLAG_LAST;
}
/*
goto err;
}
- if (auth_info.auth_type != RPC_NTLMSSP_AUTH_TYPE) {
+ if (auth_info.auth_type != DCERPC_AUTH_TYPE_NTLMSSP) {
DEBUG(0,("api_pipe_bind_auth3: incorrect auth type (%u).\n",
(unsigned int)auth_info.auth_type ));
return False;
* Initialize a bind_nak header.
*/
- init_rpc_hdr(&nak_hdr, RPC_BINDNACK, RPC_FLG_FIRST | RPC_FLG_LAST,
+ init_rpc_hdr(&nak_hdr, DCERPC_PKT_BIND_NAK, DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST,
p->hdr.call_id, RPC_HEADER_LEN + sizeof(uint16), 0);
/*
* Initialize a fault header.
*/
- init_rpc_hdr(&fault_hdr, RPC_FAULT, RPC_FLG_FIRST | RPC_FLG_LAST | RPC_FLG_NOCALL,
+ init_rpc_hdr(&fault_hdr, DCERPC_PKT_FAULT, DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST | DCERPC_PFC_FLAG_DID_NOT_EXECUTE,
p->hdr.call_id, RPC_HEADER_LEN + RPC_HDR_RESP_LEN + RPC_HDR_FAULT_LEN, 0);
/*
* Initialize a cancel_ack header.
*/
- init_rpc_hdr(&ack_reply_hdr, RPC_CANCEL_ACK, RPC_FLG_FIRST | RPC_FLG_LAST,
+ init_rpc_hdr(&ack_reply_hdr, DCERPC_PKT_CANCEL_ACK, DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST,
p->hdr.call_id, RPC_HEADER_LEN, 0);
/*
}
/* Copy the blob into the pout_auth parse struct */
- init_rpc_hdr_auth(&auth_info, RPC_SPNEGO_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
+ init_rpc_hdr_auth(&auth_info, DCERPC_AUTH_TYPE_SPNEGO, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
DEBUG(0,("pipe_spnego_auth_bind_negotiate: marshalling of RPC_HDR_AUTH failed.\n"));
goto err;
response = spnego_gen_auth_response(&auth_reply, NT_STATUS_OK, OID_NTLMSSP);
/* Copy the blob into the pout_auth parse struct */
- init_rpc_hdr_auth(&auth_info, RPC_SPNEGO_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
+ init_rpc_hdr_auth(&auth_info, DCERPC_AUTH_TYPE_SPNEGO, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
DEBUG(0,("pipe_spnego_auth_bind_continue: marshalling of RPC_HDR_AUTH failed.\n"));
goto err;
*/
become_root();
- status = schannel_fetch_session_key(p->mem_ctx,
+ status = schannel_fetch_session_key(p,
neg.oem_netbios_computer.a,
&creds);
unbecome_root();
return False;
}
- p->auth.a_u.schannel_auth = talloc(p, struct schannel_auth_struct);
+ p->auth.a_u.schannel_auth = talloc(p, struct schannel_state);
if (!p->auth.a_u.schannel_auth) {
TALLOC_FREE(creds);
return False;
}
- memset(p->auth.a_u.schannel_auth->sess_key, 0, sizeof(p->auth.a_u.schannel_auth->sess_key));
- memcpy(p->auth.a_u.schannel_auth->sess_key, creds->session_key,
- sizeof(creds->session_key));
-
- TALLOC_FREE(creds);
-
+ p->auth.a_u.schannel_auth->state = SCHANNEL_STATE_START;
p->auth.a_u.schannel_auth->seq_num = 0;
+ p->auth.a_u.schannel_auth->initiator = false;
+ p->auth.a_u.schannel_auth->creds = creds;
/*
* JRA. Should we also copy the schannel session key into the pipe session key p->session_key
return false;
}
- init_rpc_hdr_auth(&auth_info, RPC_SCHANNEL_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
+ init_rpc_hdr_auth(&auth_info, DCERPC_AUTH_TYPE_SCHANNEL, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
DEBUG(0,("pipe_schannel_auth_bind: marshalling of RPC_HDR_AUTH failed.\n"));
return False;
data_blob_free(&blob);
/* Copy the blob into the pout_auth parse struct */
- init_rpc_hdr_auth(&auth_info, RPC_NTLMSSP_AUTH_TYPE, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
+ init_rpc_hdr_auth(&auth_info, DCERPC_AUTH_TYPE_NTLMSSP, pauth_info->auth_level, RPC_HDR_AUTH_LEN, 1);
if(!smb_io_rpc_hdr_auth("", &auth_info, pout_auth, 0)) {
DEBUG(0,("pipe_ntlmssp_auth_bind: marshalling of RPC_HDR_AUTH failed.\n"));
goto err;
DEBUG(10,("pipe_ntlmssp_auth_bind: NTLMSSP auth started\n"));
- /* We can't set pipe_bound True yet - we need an RPC_AUTH3 response packet... */
+ /* We can't set pipe_bound True yet - we need an DCERPC_PKT_AUTH3 response packet... */
return True;
err:
prs_struct out_auth;
int i = 0;
int auth_len = 0;
- unsigned int auth_type = RPC_ANONYMOUS_AUTH_TYPE;
+ unsigned int auth_type = DCERPC_AUTH_TYPE_NONE;
/* No rebinds on a bound pipe - use alter context. */
if (p->pipe_bound) {
assoc_gid = hdr_rb.bba.assoc_gid ? hdr_rb.bba.assoc_gid : 0x53f0;
switch(auth_type) {
- case RPC_NTLMSSP_AUTH_TYPE:
+ case DCERPC_AUTH_TYPE_NTLMSSP:
if (!pipe_ntlmssp_auth_bind(p, rpc_in_p, &auth_info, &out_auth)) {
goto err_exit;
}
assoc_gid = 0x7a77;
break;
- case RPC_SCHANNEL_AUTH_TYPE:
+ case DCERPC_AUTH_TYPE_SCHANNEL:
if (!pipe_schannel_auth_bind(p, rpc_in_p, &auth_info, &out_auth)) {
goto err_exit;
}
break;
- case RPC_SPNEGO_AUTH_TYPE:
+ case DCERPC_AUTH_TYPE_SPNEGO:
if (!pipe_spnego_auth_bind_negotiate(p, rpc_in_p, &auth_info, &out_auth)) {
goto err_exit;
}
break;
- case RPC_ANONYMOUS_AUTH_TYPE:
+ case DCERPC_AUTH_TYPE_NONE:
/* Unauthenticated bind request. */
/* We're finished - no more packets. */
p->auth.auth_type = PIPE_AUTH_TYPE_NONE;
auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
}
- init_rpc_hdr(&p->hdr, RPC_BINDACK, RPC_FLG_FIRST | RPC_FLG_LAST,
+ init_rpc_hdr(&p->hdr, DCERPC_PKT_BIND_ACK, DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST,
p->hdr.call_id,
RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
auth_len);
* response in place of the NTLMSSP auth3 type.
*/
- if (auth_info.auth_type == RPC_SPNEGO_AUTH_TYPE) {
+ if (auth_info.auth_type == DCERPC_AUTH_TYPE_SPNEGO) {
/* We can only finish if the pipe is unbound. */
if (!p->pipe_bound) {
if (!pipe_spnego_auth_bind_continue(p, rpc_in_p, &auth_info, &out_auth)) {
auth_len = prs_offset(&out_auth) - RPC_HDR_AUTH_LEN;
}
- init_rpc_hdr(&p->hdr, RPC_ALTCONTRESP, RPC_FLG_FIRST | RPC_FLG_LAST,
+ init_rpc_hdr(&p->hdr, DCERPC_PKT_ALTER_RESP, DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST,
p->hdr.call_id,
RPC_HEADER_LEN + prs_offset(&out_hdr_ba) + prs_offset(&out_auth),
auth_len);
uint32 auth_len;
uint32 save_offset = prs_offset(rpc_in);
RPC_HDR_AUTH auth_info;
- struct NL_AUTH_SIGNATURE schannel_chk;
- enum ndr_err_code ndr_err;
DATA_BLOB blob;
+ NTSTATUS status;
+ uint8_t *data;
auth_len = p->hdr.auth_len;
return False;
}
- if (auth_info.auth_type != RPC_SCHANNEL_AUTH_TYPE) {
+ if (auth_info.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
DEBUG(0,("Invalid auth info %d on schannel\n",
auth_info.auth_type));
return False;
blob = data_blob_const(prs_data_p(rpc_in) + prs_offset(rpc_in), auth_len);
- ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), NULL, &schannel_chk,
- (ndr_pull_flags_fn_t)ndr_pull_NL_AUTH_SIGNATURE);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- DEBUG(0,("failed to pull NL_AUTH_SIGNATURE\n"));
- dump_data(2, blob.data, blob.length);
- return false;
- }
-
if (DEBUGLEVEL >= 10) {
- NDR_PRINT_DEBUG(NL_AUTH_SIGNATURE, &schannel_chk);
+ dump_NL_AUTH_SIGNATURE(talloc_tos(), &blob);
+ }
+
+ data = (uint8_t *)prs_data_p(rpc_in)+RPC_HDR_REQ_LEN;
+
+ switch (auth_info.auth_level) {
+ case DCERPC_AUTH_LEVEL_PRIVACY:
+ status = netsec_incoming_packet(p->auth.a_u.schannel_auth,
+ talloc_tos(),
+ true,
+ data,
+ data_len,
+ &blob);
+ break;
+ case DCERPC_AUTH_LEVEL_INTEGRITY:
+ status = netsec_incoming_packet(p->auth.a_u.schannel_auth,
+ talloc_tos(),
+ false,
+ data,
+ data_len,
+ &blob);
+ break;
+ default:
+ status = NT_STATUS_INTERNAL_ERROR;
+ break;
}
- if (!schannel_decode(p->auth.a_u.schannel_auth,
- p->auth.auth_level,
- SENDER_IS_INITIATOR,
- &schannel_chk,
- prs_data_p(rpc_in)+RPC_HDR_REQ_LEN, data_len)) {
- DEBUG(3,("failed to decode PDU\n"));
- return False;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("failed to unseal packet: %s\n", nt_errstr(status)));
+ return false;
}
/*
return False;
}
- /* The sequence number gets incremented on both send and receive. */
- p->auth.a_u.schannel_auth->seq_num++;
-
/*
* Remember the padding length. We must remove it from the real data
* stream once the sign/seal is done.