r8805: Merge a duplicate struct. Get ready to support SPNEGO rpc binds.

Jeremy.

source/include/rpc_dce.h

@@ -66,6 +66,9 @@ enum RPC_PKT_TYPE {
 #define RPC_AUTH_NETSEC_SIGN_OR_SEAL_CHK_LEN 	0x20
 #define RPC_AUTH_NETSEC_SIGN_ONLY_CHK_LEN 	0x18
 
+/* SPNEGO auth type. */
+#define SPNEGO_AUTH_TYPE 0x9
+
 /* The 7 here seems to be required to get Win2k not to downgrade us
    to NT4.  Actually, anything other than 1ff would seem to do... */
 #define NETLOGON_NEG_AUTH2_FLAGS 0x000701ff
@@ -169,32 +172,25 @@ typedef struct rpc_hdr_bba_info {
 
 #define RPC_HDR_BBA_LEN 8
 
+/* RPC_HDR_AUTH */
+typedef struct rpc_hdr_auth_info {
+	uint8 auth_type; /* See XXX_AUTH_TYPE above. */
+	uint8 auth_level; /* See RPC_PIPE_AUTH_XXX_LEVEL above. */
+	uint8 auth_pad_len;
+	uint8 auth_reserved;
+	uint32 auth_context_id;
+} RPC_HDR_AUTH;
+
+#define RPC_HDR_AUTH_LEN 8
+
 /* RPC_HDR_AUTHA */
 typedef struct rpc_hdr_autha_info {
 	uint16 max_tsize;       /* maximum transmission fragment size (0x1630) */
 	uint16 max_rsize;       /* max receive fragment size (0x1630) */
-
+	RPC_HDR_AUTH auth;
-	uint8 auth_type; /* 0x0a */
-	uint8 auth_level; /* 0x06 */
-	uint8 stub_type_len; /* don't know */
-	uint8 padding; /* padding */
-
-	uint32 unknown; /* 0x0014a0c0 */
 } RPC_HDR_AUTHA;
 
-#define RPC_HDR_AUTHA_LEN 12
+#define RPC_HDR_AUTHA_LEN (RPC_HDR_AUTH_LEN+4)
-
-/* RPC_HDR_AUTH */
-typedef struct rpc_hdr_auth_info {
-	uint8 auth_type; /* 0x0a */
-	uint8 auth_level; /* 0x06 */
-	uint8 padding;
-	uint8 reserved; /* padding */
-
-	uint32 auth_context; /* pointer */
-} RPC_HDR_AUTH;
-
-#define RPC_HDR_AUTH_LEN 8
 
 /* this is TEMPORARILY coded up as a specific structure */
 /* this structure comes after the bind request */

source/rpc_client/cli_pipe.c

@@ -242,7 +242,7 @@ static BOOL rpc_auth_pipe(struct rpc_pipe_client *cli, prs_struct *rdata,
 		}
 
 		/* Let the caller know how much padding at the end of the data */
-		*pauth_padding_len = rhdr_auth.padding;
+		*pauth_padding_len = rhdr_auth.auth_pad_len;
 		
 		/* Check it's the type of reply we were expecting to decode */
 
@@ -796,6 +796,7 @@ static NTSTATUS create_rpc_bind_resp(struct rpc_pipe_client *cli,
 {
 	NTSTATUS nt_status;
 	RPC_HDR hdr;
+	RPC_HDR_AUTH hdr_auth;
 	RPC_HDR_AUTHA hdr_autha;
 	DATA_BLOB ntlmssp_null_response = data_blob(NULL, 0);
 	DATA_BLOB ntlmssp_reply;
@@ -826,8 +827,8 @@ static NTSTATUS create_rpc_bind_resp(struct rpc_pipe_client *cli,
 	get_auth_type_level(cli->pipe_auth_flags, &auth_type, &auth_level);
 	
 	/* Create the request RPC_HDR_AUTHA */
-	init_rpc_hdr_autha(&hdr_autha, MAX_PDU_FRAG_LEN, MAX_PDU_FRAG_LEN,
+	init_rpc_hdr_auth(&hdr_auth, auth_type, auth_level, 0, 0x0014a0c0);
-			   auth_type, auth_level, 0x00);
+	init_rpc_hdr_autha(&hdr_autha, MAX_PDU_FRAG_LEN, MAX_PDU_FRAG_LEN, &hdr_auth);
 
 	if(!smb_io_rpc_hdr_autha("hdr_autha", &hdr_autha, rpc_out, 0)) {
 		DEBUG(0,("create_rpc_bind_resp: failed to marshall RPC_HDR_AUTHA.\n"));

source/rpc_parse/parse_rpc.c

@@ -649,73 +649,20 @@ BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps,
     return True;
 }
 
-/*******************************************************************
- Init an RPC_HDR_AUTHA structure.
-********************************************************************/
-
-void init_rpc_hdr_autha(RPC_HDR_AUTHA *rai,
-				uint16 max_tsize, uint16 max_rsize,
-				uint8 auth_type, uint8 auth_level,
-				uint8 stub_type_len)
-{
-	rai->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
-	rai->max_rsize = max_rsize; /* max receive fragment size (0x1630) */   
-
-	rai->auth_type     = auth_type; /* nt lm ssp 0x0a */
-	rai->auth_level    = auth_level; /* 0x06 */
-	rai->stub_type_len = stub_type_len; /* 0x00 */
-	rai->padding       = 0; /* padding 0x00 */
-
-	rai->unknown       = 0x0014a0c0; /* non-zero pointer to something */
-}
-
-/*******************************************************************
- Reads or writes an RPC_HDR_AUTHA structure.
-********************************************************************/
-
-BOOL smb_io_rpc_hdr_autha(const char *desc, RPC_HDR_AUTHA *rai, prs_struct *ps, int depth)
-{
-	if (rai == NULL)
-		return False;
-
-	prs_debug(ps, depth, desc, "smb_io_rpc_hdr_autha");
-	depth++;
-
-	if(!prs_uint16("max_tsize    ", ps, depth, &rai->max_tsize))
-		return False;
-	if(!prs_uint16("max_rsize    ", ps, depth, &rai->max_rsize))
-		return False;
-
-	if(!prs_uint8 ("auth_type    ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
-		return False;
-	if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level)) /* 0x06 */
-		return False;
-	if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
-		return False;
-	if(!prs_uint8 ("padding      ", ps, depth, &rai->padding))
-		return False;
-
-	if(!prs_uint32("unknown      ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
-		return False;
-
-	return True;
-}
-
 /*******************************************************************
  Inits an RPC_HDR_AUTH structure.
 ********************************************************************/
 
 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
 				uint8 auth_type, uint8 auth_level,
-				uint8 padding,
+				uint8 auth_pad_len,
-				uint32 ptr)
+				uint32 auth_context_id)
 {
 	rai->auth_type     = auth_type; /* nt lm ssp 0x0a */
 	rai->auth_level    = auth_level; /* 0x06 */
-	rai->padding       = padding;
+	rai->auth_pad_len  = auth_pad_len;
-	rai->reserved      = 0;
+	rai->auth_reserved = 0;
-
+	rai->auth_context_id = auth_context_id;
-	rai->auth_context  = ptr; /* non-zero pointer to something */
 }
 
 /*******************************************************************
@@ -737,11 +684,48 @@ BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, in
 		return False;
 	if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level)) /* 0x06 */
 		return False;
-	if(!prs_uint8 ("padding      ", ps, depth, &rai->padding))
+	if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
 		return False;
-	if(!prs_uint8 ("reserved     ", ps, depth, &rai->reserved))
+	if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
 		return False;
-	if(!prs_uint32("auth_context ", ps, depth, &rai->auth_context))
+	if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
+		return False;
+
+	return True;
+}
+
+
+/*******************************************************************
+ Init an RPC_HDR_AUTHA structure.
+********************************************************************/
+
+void init_rpc_hdr_autha(RPC_HDR_AUTHA *rai,
+				uint16 max_tsize, uint16 max_rsize,
+				RPC_HDR_AUTH *auth)
+{
+	rai->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
+	rai->max_rsize = max_rsize; /* max receive fragment size (0x1630) */   
+	rai->auth = *auth;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_AUTHA structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_autha(const char *desc, RPC_HDR_AUTHA *rai, prs_struct *ps, int depth)
+{
+	if (rai == NULL)
+		return False;
+
+	prs_debug(ps, depth, desc, "smb_io_rpc_hdr_autha");
+	depth++;
+
+	if(!prs_uint16("max_tsize    ", ps, depth, &rai->max_tsize))
+		return False;
+	if(!prs_uint16("max_rsize    ", ps, depth, &rai->max_rsize))
+		return False;
+
+	if(!smb_io_rpc_hdr_auth("auth", &rai->auth, ps, depth))
 		return False;
 
 	return True;

source/rpc_server/srv_pipe.c

@@ -582,9 +582,9 @@ BOOL api_pipe_bind_auth_resp(pipes_struct *p, prs_struct *rpc_in_p)
 		return False;
 	}
 
-	if (autha_info.auth_type != NTLMSSP_AUTH_TYPE || autha_info.auth_level != RPC_PIPE_AUTH_SEAL_LEVEL) {
+	if (autha_info.auth.auth_type != NTLMSSP_AUTH_TYPE || autha_info.auth.auth_level != RPC_PIPE_AUTH_SEAL_LEVEL) {
 		DEBUG(0,("api_pipe_bind_auth_resp: incorrect auth type (%d) or level (%d).\n",
-			(int)autha_info.auth_type, (int)autha_info.auth_level ));
+			(int)autha_info.auth.auth_type, (int)autha_info.auth.auth_level ));
 		return False;
 	}
 
@@ -941,67 +941,72 @@ BOOL api_pipe_bind_req(pipes_struct *p, prs_struct *rpc_in_p)
 			return False;
 		}
 
-		if(auth_info.auth_type == NTLMSSP_AUTH_TYPE) {
+		switch(auth_info.auth_type) {
+			case NTLMSSP_AUTH_TYPE:
 
-			if(!smb_io_rpc_auth_verifier("", &auth_verifier, rpc_in_p, 0)) {
+				if(!smb_io_rpc_auth_verifier("", &auth_verifier, rpc_in_p, 0)) {
-				DEBUG(0,("api_pipe_bind_req: unable to "
+					DEBUG(0,("api_pipe_bind_req: unable to "
-					 "unmarshall RPC_HDR_AUTH struct.\n"));
+						 "unmarshall RPC_HDR_AUTH struct.\n"));
-				return False;
+					return False;
+				}
+
+				if(!strequal(auth_verifier.signature, "NTLMSSP")) {
+					DEBUG(0,("api_pipe_bind_req: "
+						 "auth_verifier.signature != NTLMSSP\n"));
+					return False;
+				}
+
+				if(auth_verifier.msg_type != NTLMSSP_NEGOTIATE) {
+					DEBUG(0,("api_pipe_bind_req: "
+						 "auth_verifier.msg_type (%d) != NTLMSSP_NEGOTIATE\n",
+						 auth_verifier.msg_type));
+					return False;
+				}
+
+				if(!smb_io_rpc_auth_ntlmssp_neg("", &ntlmssp_neg, rpc_in_p, 0)) {
+					DEBUG(0,("api_pipe_bind_req: "
+						 "Failed to unmarshall RPC_AUTH_NTLMSSP_NEG.\n"));
+					return False;
+				}
+
+				p->ntlmssp_chal_flags = SMBD_NTLMSSP_NEG_FLAGS;
+				p->ntlmssp_auth_requested = True;
+				break;
+
+			case NETSEC_AUTH_TYPE:
+			{
+				RPC_AUTH_NETSEC_NEG neg;
+				struct netsec_auth_struct *a = &(p->netsec_auth);
+
+				if (!server_auth2_negotiated) {
+					DEBUG(0, ("Attempt to bind using schannel "
+						  "without successful serverauth2\n"));
+					return False;
+				}
+
+				if (!smb_io_rpc_auth_netsec_neg("", &neg, rpc_in_p, 0)) {
+					DEBUG(0,("api_pipe_bind_req: "
+						 "Could not unmarshal SCHANNEL auth neg\n"));
+					return False;
+				}
+
+				p->netsec_auth_validated = True;
+
+				memset(a->sess_key, 0, sizeof(a->sess_key));
+				memcpy(a->sess_key, last_dcinfo.sess_key, sizeof(last_dcinfo.sess_key));
+
+				a->seq_num = 0;
+
+				DEBUG(10,("schannel auth: domain [%s] myname [%s]\n",
+					  neg.domain, neg.myname));
+				break;
 			}
 
-			if(!strequal(auth_verifier.signature, "NTLMSSP")) {
+			case SPNEGO_AUTH_TYPE:
-				DEBUG(0,("api_pipe_bind_req: "
+			default:
-					 "auth_verifier.signature != NTLMSSP\n"));
+				DEBUG(0,("api_pipe_bind_req: unknown auth type %x requested.\n",
+					 auth_info.auth_type ));
 				return False;
-			}
-
-			if(auth_verifier.msg_type != NTLMSSP_NEGOTIATE) {
-				DEBUG(0,("api_pipe_bind_req: "
-					 "auth_verifier.msg_type (%d) != NTLMSSP_NEGOTIATE\n",
-					 auth_verifier.msg_type));
-				return False;
-			}
-
-			if(!smb_io_rpc_auth_ntlmssp_neg("", &ntlmssp_neg, rpc_in_p, 0)) {
-				DEBUG(0,("api_pipe_bind_req: "
-					 "Failed to unmarshall RPC_AUTH_NTLMSSP_NEG.\n"));
-				return False;
-			}
-
-			p->ntlmssp_chal_flags = SMBD_NTLMSSP_NEG_FLAGS;
-			p->ntlmssp_auth_requested = True;
-
-		} else if (auth_info.auth_type == NETSEC_AUTH_TYPE) {
-
-			RPC_AUTH_NETSEC_NEG neg;
-			struct netsec_auth_struct *a = &(p->netsec_auth);
-
-			if (!server_auth2_negotiated) {
-				DEBUG(0, ("Attempt to bind using schannel "
-					  "without successful serverauth2\n"));
-				return False;
-			}
-
-			if (!smb_io_rpc_auth_netsec_neg("", &neg, rpc_in_p, 0)) {
-				DEBUG(0,("api_pipe_bind_req: "
-					 "Could not unmarshal SCHANNEL auth neg\n"));
-				return False;
-			}
-
-			p->netsec_auth_validated = True;
-
-			memset(a->sess_key, 0, sizeof(a->sess_key));
-			memcpy(a->sess_key, last_dcinfo.sess_key, sizeof(last_dcinfo.sess_key));
-
-			a->seq_num = 0;
-
-			DEBUG(10,("schannel auth: domain [%s] myname [%s]\n",
-				  neg.domain, neg.myname));
-
-		} else {
-			DEBUG(0,("api_pipe_bind_req: unknown auth type %x requested.\n",
-				 auth_info.auth_type ));
-			return False;
 		}
 	}