Add the socket rpc client transport

[ira/wip.git] / source3 / rpc_client / rpc_transport_sock.c

diff --git a/source3/rpc_client/rpc_transport_sock.c b/source3/rpc_client/rpc_transport_sock.c
new file mode 100644 (file)
index 0000000..c0fa41b
--- /dev/null
+++ b/source3/rpc_client/rpc_transport_sock.c
@@ -0,0 +1,116 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  RPC client transport over a socket
+ *  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_sock_state {
+       int fd;
+};
+
+static int rpc_transport_sock_state_destructor(struct rpc_transport_sock_state *s)
+{
+       if (s->fd != -1) {
+               close(s->fd);
+               s->fd = -1;
+       }
+       return 0;
+}
+
+static struct async_req *rpc_sock_read_send(TALLOC_CTX *mem_ctx,
+                                           struct event_context *ev,
+                                           uint8_t *data, size_t size,
+                                           void *priv)
+{
+       struct rpc_transport_sock_state *sock_transp = talloc_get_type_abort(
+               priv, struct rpc_transport_sock_state);
+       return async_recv(mem_ctx, ev, sock_transp->fd, data, size, 0);
+}
+
+static NTSTATUS rpc_sock_read_recv(struct async_req *req, ssize_t *preceived)
+{
+       ssize_t received;
+       int sys_errno;
+
+       received = async_syscall_result_ssize_t(req, &sys_errno);
+       if (received == -1) {
+               return map_nt_error_from_unix(sys_errno);
+       }
+       if (received == 0) {
+               return NT_STATUS_END_OF_FILE;
+       }
+       *preceived = received;
+       return NT_STATUS_OK;
+}
+
+static struct async_req *rpc_sock_write_send(TALLOC_CTX *mem_ctx,
+                                            struct event_context *ev,
+                                            const uint8_t *data, size_t size,
+                                            void *priv)
+{
+       struct rpc_transport_sock_state *sock_transp = talloc_get_type_abort(
+               priv, struct rpc_transport_sock_state);
+       return async_send(mem_ctx, ev, sock_transp->fd, data, size, 0);
+}
+
+static NTSTATUS rpc_sock_write_recv(struct async_req *req, ssize_t *psent)
+{
+       ssize_t sent;
+       int sys_errno;
+
+       sent = async_syscall_result_ssize_t(req, &sys_errno);
+       if (sent == -1) {
+               return map_nt_error_from_unix(sys_errno);
+       }
+       *psent = sent;
+       return NT_STATUS_OK;
+}
+
+NTSTATUS rpc_transport_sock_init(TALLOC_CTX *mem_ctx, int fd,
+                                struct rpc_cli_transport **presult)
+{
+       struct rpc_cli_transport *result;
+       struct rpc_transport_sock_state *state;
+
+       result = talloc(mem_ctx, struct rpc_cli_transport);
+       if (result == NULL) {
+               return NT_STATUS_NO_MEMORY;
+       }
+       state = talloc(result, struct rpc_transport_sock_state);
+       if (state == NULL) {
+               TALLOC_FREE(result);
+               return NT_STATUS_NO_MEMORY;
+       }
+       result->priv = state;
+
+       state->fd = fd;
+       talloc_set_destructor(state, rpc_transport_sock_state_destructor);
+
+       result->trans_send = NULL;
+       result->trans_recv = NULL;
+       result->write_send = rpc_sock_write_send;
+       result->write_recv = rpc_sock_write_recv;
+       result->read_send = rpc_sock_read_send;
+       result->read_recv = rpc_sock_read_recv;
+
+       *presult = result;
+       return NT_STATUS_OK;
+}