/*
Unix SMB/CIFS implementation.
- DCERPC interface structures
+
+ DCERPC client side interface structures
Copyright (C) Tim Potter 2003
- Copyright (C) Andrew Tridgell 2003
+ Copyright (C) Andrew Tridgell 2003-2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/*
- see http://www.opengroup.org/onlinepubs/9629399/chap12.htm for details
- of these structures
+enum dcerpc_transport_t {
+ NCACN_NP, NCACN_IP_TCP, NCACN_IP_UDP, NCACN_VNS_IPC, NCACN_VNS_SPP,
+ NCACN_AT_DSP, NCADG_AT_DDP, NCALRPC, NCACN_UNIX_STREAM, NCADG_UNIX_DGRAM,
+ NCACN_HTTP, NCADG_IPX, NCACN_SPX };
- note that the structure definitions here don't include some of the
- fields that are wire-artifacts. Those are put on the wire by the
- marshalling/unmarshalling routines in decrpc.c
+/*
+ this defines a generic security context for signed/sealed dcerpc pipes.
*/
-
-struct dcerpc_pipe {
- TALLOC_CTX *mem_ctx;
- int reference_count;
- uint32 call_id;
- uint32 srv_max_xmit_frag;
- uint32 srv_max_recv_frag;
- unsigned flags;
- struct ntlmssp_state *ntlmssp_state;
+struct dcerpc_connection;
+struct dcerpc_security {
struct dcerpc_auth *auth_info;
+ struct gensec_security *generic_state;
+
+ /* get the session key */
+ NTSTATUS (*session_key)(struct dcerpc_connection *, DATA_BLOB *);
+};
+
+/*
+ this holds the information that is not specific to a particular rpc context_id
+*/
+struct dcerpc_connection {
+ uint32_t call_id;
+ uint32_t srv_max_xmit_frag;
+ uint32_t srv_max_recv_frag;
+ uint_t flags;
+ struct dcerpc_security security_state;
+ const char *binding_string;
struct dcerpc_transport {
+ enum dcerpc_transport_t transport;
void *private;
- NTSTATUS (*full_request)(struct dcerpc_pipe *,
- TALLOC_CTX *, DATA_BLOB *, DATA_BLOB *);
- NTSTATUS (*secondary_request)(struct dcerpc_pipe *, TALLOC_CTX *, DATA_BLOB *);
- NTSTATUS (*initial_request)(struct dcerpc_pipe *, TALLOC_CTX *, DATA_BLOB *);
- NTSTATUS (*shutdown_pipe)(struct dcerpc_pipe *);
- const char *(*peer_name)(struct dcerpc_pipe *);
+
+ NTSTATUS (*shutdown_pipe)(struct dcerpc_connection *);
+
+ const char *(*peer_name)(struct dcerpc_connection *);
+
+ /* send a request to the server */
+ NTSTATUS (*send_request)(struct dcerpc_connection *, DATA_BLOB *, BOOL trigger_read);
+
+ /* send a read request to the server */
+ NTSTATUS (*send_read)(struct dcerpc_connection *);
+
+ /* get an event context for the connection */
+ struct event_context *(*event_context)(struct dcerpc_connection *);
+
+ /* a callback to the dcerpc code when a full fragment
+ has been received */
+ void (*recv_data)(struct dcerpc_connection *, DATA_BLOB *, NTSTATUS status);
} transport;
+ /* pending requests */
+ struct rpc_request *pending;
+
+ /* private pointer for pending full requests */
+ void *full_request_private;
+
+ /* the next context_id to be assigned */
+ uint32_t next_context_id;
+};
+
+/*
+ this encapsulates a full dcerpc client side pipe
+*/
+struct dcerpc_pipe {
+ uint32_t context_id;
+
+ struct dcerpc_syntax_id syntax;
+ struct dcerpc_syntax_id transfer_syntax;
+
+ struct dcerpc_connection *conn;
+
/* the last fault code from a DCERPC fault */
- uint32 last_fault_code;
+ uint32_t last_fault_code;
};
+
/* dcerpc pipe flags */
-#define DCERPC_DEBUG_PRINT_IN (1<<0)
-#define DCERPC_DEBUG_PRINT_OUT (1<<1)
+#define DCERPC_DEBUG_PRINT_IN (1<<0)
+#define DCERPC_DEBUG_PRINT_OUT (1<<1)
#define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)
-#define DCERPC_DEBUG_VALIDATE_IN 4
-#define DCERPC_DEBUG_VALIDATE_OUT 8
+#define DCERPC_DEBUG_VALIDATE_IN (1<<2)
+#define DCERPC_DEBUG_VALIDATE_OUT (1<<3)
#define DCERPC_DEBUG_VALIDATE_BOTH (DCERPC_DEBUG_VALIDATE_IN | DCERPC_DEBUG_VALIDATE_OUT)
-#define DCERPC_SIGN 16
-#define DCERPC_SEAL 32
+#define DCERPC_CONNECT (1<<4)
+#define DCERPC_SIGN (1<<5)
+#define DCERPC_SEAL (1<<6)
+
+#define DCERPC_PUSH_BIGENDIAN (1<<7)
+#define DCERPC_PULL_BIGENDIAN (1<<8)
+
+#define DCERPC_SCHANNEL_BDC (1<<9)
+#define DCERPC_SCHANNEL_WORKSTATION (1<<10)
+#define DCERPC_SCHANNEL_DOMAIN (1<<11)
+#define DCERPC_SCHANNEL_ANY (DCERPC_SCHANNEL_BDC| \
+ DCERPC_SCHANNEL_DOMAIN| \
+ DCERPC_SCHANNEL_WORKSTATION)
+
+#define DCERPC_AUTH_OPTIONS (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL_ANY)
+
+/* use a 128 bit session key */
+#define DCERPC_SCHANNEL_128 (1<<12)
+
+/* check incoming pad bytes */
+#define DCERPC_DEBUG_PAD_CHECK (1<<13)
+
+/* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
+#define DCERPC_NDR_REF_ALLOC (1<<14)
-#define DCERPC_PUSH_BIGENDIAN 64
-#define DCERPC_PULL_BIGENDIAN 128
+/* enable spnego auth */
+#define DCERPC_AUTH_SPNEGO (1<<15)
/*
this is used to find pointers to calls
};
struct dcerpc_endpoint_list {
- uint32 count;
- const char **names;
+ uint32_t count;
+ const char * const *names;
};
struct dcerpc_interface_table {
const char *name;
const char *uuid;
- uint32 if_version;
- uint32 num_calls;
+ uint32_t if_version;
+ const char *helpstring;
+ uint32_t num_calls;
const struct dcerpc_interface_call *calls;
const struct dcerpc_endpoint_list *endpoints;
};
-
-enum dcerpc_transport_t {NCACN_NP, NCACN_IP_TCP};
+struct dcerpc_interface_list {
+ struct dcerpc_interface_list *prev, *next;
+ const struct dcerpc_interface_table *table;
+};
/* this describes a binding to a particular transport/pipe */
struct dcerpc_binding {
enum dcerpc_transport_t transport;
+ struct GUID object;
+ int object_version;
const char *host;
+ const char *endpoint;
const char **options;
- uint32 flags;
+ uint32_t flags;
+};
+
+
+enum rpc_request_state {
+ RPC_REQUEST_PENDING,
+ RPC_REQUEST_DONE
+};
+
+/*
+ handle for an async dcerpc request
+*/
+struct rpc_request {
+ struct rpc_request *next, *prev;
+ struct dcerpc_pipe *p;
+ NTSTATUS status;
+ uint32_t call_id;
+ enum rpc_request_state state;
+ DATA_BLOB payload;
+ uint_t flags;
+ uint32_t fault_code;
+
+ /* use by the ndr level async recv call */
+ struct {
+ const struct dcerpc_interface_table *table;
+ uint32_t opnum;
+ void *struct_ptr;
+ TALLOC_CTX *mem_ctx;
+ } ndr;
+
+ struct {
+ void (*callback)(struct rpc_request *);
+ void *private;
+ } async;
};
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