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authorSimo Sorce <idra@samba.org>2010-06-18 10:55:44 -0400
committerAndreas Schneider <asn@samba.org>2010-09-15 12:53:42 +0200
commitf7f9916dc78d2fb31f65a5186ce68a66fd707cd7 (patch)
tree33b2256308c230fb4008f4adefc3eea8ed3cc7d7 /source3
parent7b1748d959d42ae69cfd2936cbc4fafd76046f02 (diff)
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s3-rpc_server: Added helper functions to read data from a ncacn socket.
Signed-off-by: Andreas Schneider <asn@cynapses.org>
Diffstat (limited to 'source3')
-rw-r--r--source3/librpc/rpc/dcerpc.h4
-rw-r--r--source3/rpc_server/rpc_server.c80
2 files changed, 84 insertions, 0 deletions
diff --git a/source3/librpc/rpc/dcerpc.h b/source3/librpc/rpc/dcerpc.h
index 56d6d320fd..318364575f 100644
--- a/source3/librpc/rpc/dcerpc.h
+++ b/source3/librpc/rpc/dcerpc.h
@@ -168,6 +168,10 @@ struct ndr_pull;
struct tevent_context;
struct tstream_context;
+/* from ../librpc/rpc/dcerpc_util.c */
+void dcerpc_set_frag_length(DATA_BLOB *blob, uint16_t v);
+uint16_t dcerpc_get_frag_length(const DATA_BLOB *blob);
+void dcerpc_set_auth_length(DATA_BLOB *blob, uint16_t v);
struct tevent_req *dcerpc_read_ncacn_packet_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct tstream_context *stream);
diff --git a/source3/rpc_server/rpc_server.c b/source3/rpc_server/rpc_server.c
index 63484bb176..89e224714c 100644
--- a/source3/rpc_server/rpc_server.c
+++ b/source3/rpc_server/rpc_server.c
@@ -22,6 +22,7 @@
#include "rpc_dce.h"
#include "librpc/gen_ndr/netlogon.h"
#include "registry/reg_parse_prs.h"
+#include "lib/tsocket/tsocket.h"
/* Creates a pipes_struct and initializes it with the information
* sent from the client */
@@ -118,6 +119,85 @@ static int make_server_pipes_struct(TALLOC_CTX *mem_ctx,
return 0;
}
+/* Add some helper functions to wrap the common ncacn packet reading functions
+ * until we can share more dcerpc code */
+struct named_pipe_read_packet_state {
+ struct ncacn_packet *pkt;
+ DATA_BLOB buffer;
+};
+
+static void named_pipe_read_packet_done(struct tevent_req *subreq);
+
+static struct tevent_req *named_pipe_read_packet_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct tstream_context *tstream)
+{
+ struct named_pipe_read_packet_state *state;
+ struct tevent_req *req, *subreq;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct named_pipe_read_packet_state);
+ if (!req) {
+ return NULL;
+ }
+ ZERO_STRUCTP(state);
+
+ subreq = dcerpc_read_ncacn_packet_send(state, ev, tstream);
+ if (!subreq) {
+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+ tevent_req_post(req, ev);
+ return req;
+ }
+ tevent_req_set_callback(subreq, named_pipe_read_packet_done, req);
+
+ return req;
+}
+
+static void named_pipe_read_packet_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req =
+ tevent_req_callback_data(subreq, struct tevent_req);
+ struct named_pipe_read_packet_state *state =
+ tevent_req_data(req, struct named_pipe_read_packet_state);
+ NTSTATUS status;
+
+ status = dcerpc_read_ncacn_packet_recv(subreq, state,
+ &state->pkt,
+ &state->buffer);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("Failed to receive dceprc packet!\n"));
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+static NTSTATUS named_pipe_read_packet_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *buffer)
+{
+ struct named_pipe_read_packet_state *state =
+ tevent_req_data(req, struct named_pipe_read_packet_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ buffer->data = talloc_move(mem_ctx, &state->buffer.data);
+ buffer->length = state->buffer.length;
+
+ tevent_req_received(req);
+ return NT_STATUS_OK;
+}
+
+
+
+/* Start listening on the appropriate unix socket and setup all is needed to
+ * dispatch requests to the pipes rpc implementation */
struct named_pipe_listen_state {
int fd;