process model: standard (1 process per client connection)
Copyright (C) Andrew Tridgell 1992-2003
Copyright (C) James J Myers 2003 <myersjj@samba.org>
+ Copyright (C) Stefan (metze) Metzmacher 2004
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
/*
called when the process model is selected
*/
-static void model_startup(void)
+static void standard_model_startup(void)
{
signal(SIGCHLD, SIG_IGN);
+ smbd_process_init();
}
/*
called when a listening socket becomes readable
*/
-static void accept_connection(struct event_context *ev, struct fd_event *fde, time_t t, uint16_t flags)
+static void standard_accept_connection(struct event_context *ev, struct fd_event *srv_fde, time_t t, uint16_t flags)
{
- int accepted_fd;
- struct sockaddr addr;
- socklen_t in_addrlen = sizeof(addr);
+ NTSTATUS status;
+ struct socket_context *sock;
+ struct server_socket *server_socket = srv_fde->private;
+ struct server_connection *conn;
pid_t pid;
- struct model_ops *model_ops = fde->private;
- accepted_fd = accept(fde->fd,&addr,&in_addrlen);
- if (accepted_fd == -1) {
- DEBUG(0,("accept_connection_standard: accept: %s\n",
- strerror(errno)));
+ /* accept an incoming connection. */
+ status = socket_accept(server_socket->socket, &sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("standard_accept_connection: accept: %s\n",
+ nt_errstr(status)));
return;
}
if (pid != 0) {
/* parent or error code ... */
- close(accepted_fd);
+ socket_destroy(sock);
/* go back to the event loop */
return;
}
/* Child code ... */
/* close all the listening sockets */
- event_remove_fd_all_handler(ev, model_ops->accept_connection);
- event_remove_fd_all_handler(ev, model_ops->accept_rpc_connection);
+ event_remove_fd_all_handler(ev, standard_accept_connection);
/* tdb needs special fork handling */
if (tdb_reopen_all() == -1) {
- DEBUG(0,("accept_connection_standard: tdb_reopen_all failed.\n"));
+ DEBUG(0,("standard_accept_connection: tdb_reopen_all failed.\n"));
}
- /* Load DSO's */
- init_modules();
-
- /* initialize new process */
- smbd_process_init();
-
- init_smbsession(ev, model_ops, accepted_fd, smbd_read_handler);
+ /* Ensure that the forked children do not expose identical random streams */
- /* return to the event loop */
-}
+ set_need_random_reseed();
-/*
- called when a rpc listening socket becomes readable
-*/
-static void accept_rpc_connection(struct event_context *ev, struct fd_event *fde, time_t t, uint16_t flags)
-{
- int accepted_fd;
- struct sockaddr addr;
- socklen_t in_addrlen = sizeof(addr);
- pid_t pid;
-
- accepted_fd = accept(fde->fd,&addr,&in_addrlen);
- if (accepted_fd == -1) {
- DEBUG(0,("accept_connection_standard: accept: %s\n",
- strerror(errno)));
+ conn = server_setup_connection(ev, server_socket, sock, t, getpid());
+ if (!conn) {
+ DEBUG(0,("server_setup_connection(ev, server_socket, sock, t) failed\n"));
return;
}
- pid = fork();
+ talloc_steal(conn, sock);
- if (pid != 0) {
- /* parent or error code ... */
- close(accepted_fd);
- /* go back to the event loop */
- return;
- }
+ DLIST_ADD(server_socket->connection_list,conn);
- /* Child code ... */
-
- /* close all the listening sockets */
- event_remove_fd_all_handler(ev, accept_connection);
- event_remove_fd_all_handler(ev, accept_rpc_connection);
-
- init_rpc_session(ev, fde->private, accepted_fd);
+ /* return to the event loop */
}
+
/* called when a SMB connection goes down */
-static void terminate_connection(struct smbsrv_context *server, const char *reason)
+static void standard_terminate_connection(struct server_connection *conn, const char *reason)
{
- server_terminate(server);
- /* terminate this process */
- exit(0);
-}
+ DEBUG(2,("standard_terminate_connection: reason[%s]\n",reason));
+
+ if (conn) {
+ talloc_free(conn->service->srv_ctx);
+ }
+
+ /* this init_iconv() has the effect of freeing the iconv context memory,
+ which makes leak checking easier */
+ init_iconv();
+
+ /* the secrets db should really hang off the connection structure */
+ secrets_shutdown();
-/* called when a rpc connection goes down */
-static void terminate_rpc_connection(void *r, const char *reason)
-{
- rpc_server_terminate(r);
/* terminate this process */
exit(0);
}
-static int get_id(struct smbsrv_request *req)
+static int standard_get_id(struct smbsrv_request *req)
{
- return (int)req->smb_ctx->pid;
+ return (int)req->smb_conn->pid;
}
-static void standard_exit_server(struct smbsrv_context *smb, const char *reason)
+static void standard_exit_server(struct server_context *srv_ctx, const char *reason)
{
DEBUG(1,("standard_exit_server: reason[%s]\n",reason));
}
ops.name = "standard";
/* fill in all the operations */
- ops.model_startup = model_startup;
- ops.accept_connection = accept_connection;
- ops.accept_rpc_connection = accept_rpc_connection;
- ops.terminate_connection = terminate_connection;
- ops.terminate_rpc_connection = terminate_rpc_connection;
+ ops.model_startup = standard_model_startup;
+ ops.accept_connection = standard_accept_connection;
+ ops.terminate_connection = standard_terminate_connection;
ops.exit_server = standard_exit_server;
- ops.get_id = get_id;
+ ops.get_id = standard_get_id;
/* register ourselves with the PROCESS_MODEL subsystem. */
ret = register_backend("process_model", &ops);