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authorVolker Lendecke <vl@samba.org>2009-01-22 18:34:06 +0100
committerVolker Lendecke <vl@samba.org>2009-01-22 22:59:53 +0100
commitc5b43710543a83e25c387566691031a357f5a1da (patch)
tree7ebefdd257c6cbc7e8796aab4762ea7869a40b41
parent9b140c7c81c87c229fb7b95cf817bafb0da7fae0 (diff)
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Add the named pipe rpc client transport
-rw-r--r--source3/Makefile.in2
-rw-r--r--source3/include/proto.h7
-rw-r--r--source3/rpc_client/rpc_transport_np.c329
3 files changed, 336 insertions, 2 deletions
diff --git a/source3/Makefile.in b/source3/Makefile.in
index b4d9841a4a..7fbe22fded 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -576,7 +576,7 @@ RPC_PARSE_OBJ = $(RPC_PARSE_OBJ2) \
rpc_parse/parse_spoolss.o \
rpc_parse/parse_eventlog.o rpc_parse/parse_buffer.o
-RPC_CLIENT_OBJ = rpc_client/cli_pipe.o
+RPC_CLIENT_OBJ = rpc_client/cli_pipe.o rpc_client/rpc_transport_np.o
LOCKING_OBJ = locking/locking.o locking/brlock.o locking/posix.o
diff --git a/source3/include/proto.h b/source3/include/proto.h
index d55546f94c..1e71533156 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -5216,7 +5216,6 @@ NTSTATUS rpc_pipe_bind(struct rpc_pipe_client *cli,
unsigned int rpccli_set_timeout(struct rpc_pipe_client *cli,
unsigned int timeout);
bool rpccli_get_pwd_hash(struct rpc_pipe_client *cli, uint8_t nt_hash[16]);
-struct cli_state *rpc_pipe_np_smb_conn(struct rpc_pipe_client *p);
NTSTATUS rpccli_anon_bind_data(TALLOC_CTX *mem_ctx,
struct cli_pipe_auth_data **presult);
NTSTATUS rpccli_ntlmssp_bind_data(TALLOC_CTX *mem_ctx,
@@ -5296,6 +5295,12 @@ NTSTATUS cli_get_session_key(TALLOC_CTX *mem_ctx,
struct rpc_pipe_client *cli,
DATA_BLOB *session_key);
+/* The following definitions come from rpc_client/rpc_transport_np.c */
+
+NTSTATUS rpc_transport_np_init(TALLOC_CTX *mem_ctx, struct cli_state *cli,
+ const struct ndr_syntax_id *abstract_syntax,
+ struct rpc_cli_transport **presult);
+struct cli_state *rpc_pipe_np_smb_conn(struct rpc_pipe_client *p);
/* The following definitions come from rpc_client/cli_reg.c */
diff --git a/source3/rpc_client/rpc_transport_np.c b/source3/rpc_client/rpc_transport_np.c
new file mode 100644
index 0000000000..e8a333e509
--- /dev/null
+++ b/source3/rpc_client/rpc_transport_np.c
@@ -0,0 +1,329 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * RPC client transport over named pipes
+ * Copyright (C) Volker Lendecke 2009
+ *
+ * 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
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_CLI
+
+struct rpc_transport_np_state {
+ struct cli_state *cli;
+ const char *pipe_name;
+ uint16_t fnum;
+};
+
+static int rpc_transport_np_state_destructor(struct rpc_transport_np_state *s)
+{
+ bool ret;
+ ret = cli_close(s->cli, s->fnum);
+ if (!ret) {
+ DEBUG(1, ("rpc_transport_np_state_destructor: cli_close "
+ "failed on pipe %s. Error was %s\n", s->pipe_name,
+ cli_errstr(s->cli)));
+ }
+ DEBUG(10, ("rpc_pipe_destructor: closed %s\n", s->pipe_name));
+ /*
+ * We can't do much on failure
+ */
+ return 0;
+}
+
+struct rpc_np_write_state {
+ size_t size;
+ size_t written;
+};
+
+static void rpc_np_write_done(struct async_req *subreq);
+
+static struct async_req *rpc_np_write_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ const uint8_t *data, size_t size,
+ void *priv)
+{
+ struct rpc_transport_np_state *np_transport = talloc_get_type_abort(
+ priv, struct rpc_transport_np_state);
+ struct async_req *result, *subreq;
+ struct rpc_np_write_state *state;
+
+ if (!async_req_setup(mem_ctx, &result, &state,
+ struct rpc_np_write_state)) {
+ return NULL;
+ }
+ state->size = size;
+
+ subreq = cli_write_andx_send(mem_ctx, ev, np_transport->cli,
+ np_transport->fnum,
+ 8, /* 8 means message mode. */
+ data, 0, size);
+ if (subreq == NULL) {
+ goto fail;
+ }
+ subreq->async.fn = rpc_np_write_done;
+ subreq->async.priv = result;
+ return result;
+ fail:
+ TALLOC_FREE(result);
+ return NULL;
+}
+
+static void rpc_np_write_done(struct async_req *subreq)
+{
+ struct async_req *req = talloc_get_type_abort(
+ subreq->async.priv, struct async_req);
+ struct rpc_np_write_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_write_state);
+ NTSTATUS status;
+
+ status = cli_write_andx_recv(subreq, &state->written);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ async_req_error(req, status);
+ return;
+ }
+ async_req_done(req);
+}
+
+static NTSTATUS rpc_np_write_recv(struct async_req *req, ssize_t *pwritten)
+{
+ struct rpc_np_write_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_write_state);
+ NTSTATUS status;
+
+ if (async_req_is_error(req, &status)) {
+ return status;
+ }
+ *pwritten = state->written;
+ return NT_STATUS_OK;
+}
+
+struct rpc_np_read_state {
+ uint8_t *data;
+ size_t size;
+ ssize_t received;
+};
+
+static void rpc_np_read_done(struct async_req *subreq);
+
+static struct async_req *rpc_np_read_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ uint8_t *data, size_t size,
+ void *priv)
+{
+ struct rpc_transport_np_state *np_transport = talloc_get_type_abort(
+ priv, struct rpc_transport_np_state);
+ struct async_req *result, *subreq;
+ struct rpc_np_read_state *state;
+
+ if (!async_req_setup(mem_ctx, &result, &state,
+ struct rpc_np_read_state)) {
+ return NULL;
+ }
+ state->data = data;
+ state->size = size;
+
+ subreq = cli_read_andx_send(mem_ctx, ev, np_transport->cli,
+ np_transport->fnum, 0, size);
+ if (subreq == NULL) {
+ goto fail;
+ }
+ subreq->async.fn = rpc_np_read_done;
+ subreq->async.priv = result;
+ return result;
+ fail:
+ TALLOC_FREE(result);
+ return NULL;
+}
+
+static void rpc_np_read_done(struct async_req *subreq)
+{
+ struct async_req *req = talloc_get_type_abort(
+ subreq->async.priv, struct async_req);
+ struct rpc_np_read_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_read_state);
+ NTSTATUS status;
+ uint8_t *rcvbuf;
+
+ status = cli_read_andx_recv(subreq, &state->received, &rcvbuf);
+ /*
+ * We can't TALLOC_FREE(subreq) as usual here, as rcvbuf still is a
+ * child of that.
+ */
+ if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
+ status = NT_STATUS_OK;
+ }
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(subreq);
+ async_req_error(req, status);
+ return;
+ }
+
+ if (state->received > state->size) {
+ TALLOC_FREE(subreq);
+ async_req_error(req, NT_STATUS_INVALID_NETWORK_RESPONSE);
+ return;
+ }
+
+ memcpy(state->data, rcvbuf, state->received);
+ async_req_done(req);
+}
+
+static NTSTATUS rpc_np_read_recv(struct async_req *req, ssize_t *preceived)
+{
+ struct rpc_np_read_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_read_state);
+ NTSTATUS status;
+
+ if (async_req_is_error(req, &status)) {
+ return status;
+ }
+ *preceived = state->received;
+ return NT_STATUS_OK;
+}
+
+struct rpc_np_trans_state {
+ uint16_t setup[2];
+ uint8_t *rdata;
+ uint32_t rdata_len;
+};
+
+static void rpc_np_trans_done(struct async_req *subreq);
+
+static struct async_req *rpc_np_trans_send(TALLOC_CTX *mem_ctx,
+ struct event_context *ev,
+ uint8_t *data, size_t data_len,
+ uint32_t max_rdata_len,
+ void *priv)
+{
+ struct rpc_transport_np_state *np_transport = talloc_get_type_abort(
+ priv, struct rpc_transport_np_state);
+ struct async_req *result, *subreq;
+ struct rpc_np_trans_state *state;
+
+ if (!async_req_setup(mem_ctx, &result, &state,
+ struct rpc_np_trans_state)) {
+ return NULL;
+ }
+
+ SSVAL(state->setup+0, 0, TRANSACT_DCERPCCMD);
+ SSVAL(state->setup+1, 0, np_transport->fnum);
+
+ subreq = cli_trans_send(
+ state, ev, np_transport->cli, SMBtrans,
+ "\\PIPE\\", 0, 0, 0, state->setup, 2, 0,
+ NULL, 0, 0, data, data_len, max_rdata_len);
+ if (subreq == NULL) {
+ goto fail;
+ }
+ subreq->async.fn = rpc_np_trans_done;
+ subreq->async.priv = result;
+ return result;
+
+ fail:
+ TALLOC_FREE(result);
+ return NULL;
+}
+
+static void rpc_np_trans_done(struct async_req *subreq)
+{
+ struct async_req *req = talloc_get_type_abort(
+ subreq->async.priv, struct async_req);
+ struct rpc_np_trans_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_trans_state);
+ NTSTATUS status;
+
+ status = cli_trans_recv(subreq, state, NULL, NULL, NULL, NULL,
+ &state->rdata, &state->rdata_len);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ async_req_error(req, status);
+ return;
+ }
+ async_req_done(req);
+}
+
+static NTSTATUS rpc_np_trans_recv(struct async_req *req, TALLOC_CTX *mem_ctx,
+ uint8_t **prdata, uint32_t *prdata_len)
+{
+ struct rpc_np_trans_state *state = talloc_get_type_abort(
+ req->private_data, struct rpc_np_trans_state);
+ NTSTATUS status;
+
+ if (async_req_is_error(req, &status)) {
+ return status;
+ }
+ *prdata = talloc_move(mem_ctx, &state->rdata);
+ *prdata_len = state->rdata_len;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS rpc_transport_np_init(TALLOC_CTX *mem_ctx, struct cli_state *cli,
+ const struct ndr_syntax_id *abstract_syntax,
+ struct rpc_cli_transport **presult)
+{
+ struct rpc_cli_transport *result;
+ struct rpc_transport_np_state *state;
+ int fnum;
+
+ result = talloc(mem_ctx, struct rpc_cli_transport);
+ if (result == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ state = talloc(result, struct rpc_transport_np_state);
+ if (state == NULL) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+ result->priv = state;
+
+ state->cli = cli;
+ state->pipe_name = cli_get_pipe_name_from_iface(
+ state, abstract_syntax);
+
+ fnum = cli_nt_create(cli, state->pipe_name, DESIRED_ACCESS_PIPE);
+ if (fnum == -1) {
+ DEBUG(3,("rpc_pipe_open_np: cli_nt_create failed on pipe %s "
+ "to machine %s. Error was %s\n", state->pipe_name,
+ cli->desthost, cli_errstr(cli)));
+ TALLOC_FREE(result);
+ return cli_get_nt_error(cli);
+ }
+ state->fnum = fnum;
+ talloc_set_destructor(state, rpc_transport_np_state_destructor);
+
+ result->write_send = rpc_np_write_send;
+ result->write_recv = rpc_np_write_recv;
+ result->read_send = rpc_np_read_send;
+ result->read_recv = rpc_np_read_recv;
+ result->trans_send = rpc_np_trans_send;
+ result->trans_recv = rpc_np_trans_recv;
+
+ *presult = result;
+ return NT_STATUS_OK;
+}
+
+struct cli_state *rpc_pipe_np_smb_conn(struct rpc_pipe_client *p)
+{
+ struct rpc_transport_np_state *state = talloc_get_type(
+ p->transport->priv, struct rpc_transport_np_state);
+
+ if (state == NULL) {
+ return NULL;
+ }
+ return state->cli;
+}