/*
this defines a generic security context for signed/sealed dcerpc pipes.
*/
+struct dcerpc_pipe;
struct dcerpc_security {
- void *private;
- NTSTATUS (*unseal_packet)(struct dcerpc_security *,
- TALLOC_CTX *mem_ctx,
- uint8_t *data, size_t length, DATA_BLOB *sig);
- NTSTATUS (*check_packet)(struct dcerpc_security *,
- TALLOC_CTX *mem_ctx,
- const uint8_t *data, size_t length, const DATA_BLOB *sig);
- NTSTATUS (*seal_packet)(struct dcerpc_security *,
- TALLOC_CTX *mem_ctx,
- uint8_t *data, size_t length, DATA_BLOB *sig);
- NTSTATUS (*sign_packet)(struct dcerpc_security *,
- TALLOC_CTX *mem_ctx,
- const uint8_t *data, size_t length, DATA_BLOB *sig);
- NTSTATUS (*session_key)(struct dcerpc_security *, DATA_BLOB *session_key);
- void (*security_end)(struct dcerpc_security *);
-};
+ struct dcerpc_auth *auth_info;
+ struct gensec_security *generic_state;
+ /* get the session key */
+ NTSTATUS (*session_key)(struct dcerpc_pipe *, DATA_BLOB *);
+};
struct dcerpc_pipe {
- TALLOC_CTX *mem_ctx;
int reference_count;
uint32_t call_id;
uint32_t srv_max_xmit_frag;
uint32_t srv_max_recv_frag;
uint_t flags;
- struct dcerpc_security *security_state;
- struct dcerpc_auth *auth_info;
+ struct dcerpc_security security_state;
const char *binding_string;
-
+
+ struct dcerpc_syntax_id syntax;
+ struct dcerpc_syntax_id transfer_syntax;
+
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 *);
+
+ /* send a request to the server */
+ NTSTATUS (*send_request)(struct dcerpc_pipe *, DATA_BLOB *, BOOL trigger_read);
+
+ /* send a read request to the server */
+ NTSTATUS (*send_read)(struct dcerpc_pipe *);
+
+ /* get an event context for the connection */
+ struct event_context *(*event_context)(struct dcerpc_pipe *);
+
+ /* a callback to the dcerpc code when a full fragment
+ has been received */
+ void (*recv_data)(struct dcerpc_pipe *, DATA_BLOB *, NTSTATUS status);
+
} transport;
/* the last fault code from a DCERPC fault */
uint32_t last_fault_code;
+
+ /* pending requests */
+ struct rpc_request *pending;
+
+ /* private pointer for pending full requests */
+ void *full_request_private;
};
/* 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)
+/* use a 128 bit session key */
+#define DCERPC_SCHANNEL_128 (1<<12)
+
+#define DCERPC_AUTH_OPTIONS (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL_ANY)
-#define DCERPC_PUSH_BIGENDIAN 64
-#define DCERPC_PULL_BIGENDIAN 128
+/* check incoming pad bytes */
+#define DCERPC_DEBUG_PAD_CHECK (1<<13)
-#define DCERPC_SCHANNEL 256
+/* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
+#define DCERPC_NDR_REF_ALLOC (1<<14)
/*
this is used to find pointers to calls
const char *name;
const char *uuid;
uint32_t if_version;
+ const char *helpstring;
uint32_t num_calls;
const struct dcerpc_interface_call *calls;
const struct dcerpc_endpoint_list *endpoints;
/* this describes a binding to a particular transport/pipe */
struct dcerpc_binding {
enum dcerpc_transport_t transport;
+ struct GUID *object;
const char *host;
const char **options;
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 rpc_request_ndr {
+ NTSTATUS (*ndr_push)(struct ndr_push *, int, void *);
+ NTSTATUS (*ndr_pull)(struct ndr_pull *, int, void *);
+ void *struct_ptr;
+ size_t struct_size;
+ TALLOC_CTX *mem_ctx;
+ } ndr;
+
+ struct {
+ void (*callback)(struct rpc_request *);
+ void *private;
+ } async;
+};