server: Add an open_file() function to the object operations.

server/async.c

@@ -57,6 +57,7 @@ static const struct object_ops async_ops =
     no_get_fd,                 /* get_fd */
     no_map_access,             /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     async_destroy              /* destroy */
 };

server/atom.c

@@ -84,6 +84,7 @@ static const struct object_ops atom_table_ops =
     no_get_fd,                    /* get_fd */
     no_map_access,                /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     atom_table_destroy            /* destroy */
 };

server/change.c

@@ -177,6 +177,7 @@ static const struct object_ops dir_ops =
     dir_get_fd,               /* get_fd */
     dir_map_access,           /* map_access */
     no_lookup_name,           /* lookup_name */
+    no_open_file,             /* open_file */
     fd_close_handle,          /* close_handle */
     dir_destroy               /* destroy */
 };

server/clipboard.c

@@ -60,6 +60,7 @@ static const struct object_ops clipboard_ops =
     no_get_fd,                    /* get_fd */
     no_map_access,                /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     no_destroy                    /* destroy */
 };

server/console.c

@@ -59,6 +59,7 @@ static const struct object_ops console_input_ops =
     no_get_fd,                        /* get_fd */
     console_map_access,               /* map_access */
     no_lookup_name,                   /* lookup_name */
+    no_open_file,                     /* open_file */
     no_close_handle,                  /* close_handle */
     console_input_destroy             /* destroy */
 };
@@ -87,6 +88,7 @@ static const struct object_ops console_input_events_ops =
     no_get_fd,                        /* get_fd */
     console_map_access,               /* map_access */
     no_lookup_name,                   /* lookup_name */
+    no_open_file,                     /* open_file */
     no_close_handle,                  /* close_handle */
     console_input_events_destroy      /* destroy */
 };
@@ -126,6 +128,7 @@ static const struct object_ops screen_buffer_ops =
     no_get_fd,                        /* get_fd */
     console_map_access,               /* map_access */
     no_lookup_name,                   /* lookup_name */
+    no_open_file,                     /* open_file */
     no_close_handle,                  /* close_handle */
     screen_buffer_destroy             /* destroy */
 };

server/debugger.c

@@ -78,6 +78,7 @@ static const struct object_ops debug_event_ops =
     no_get_fd,                     /* get_fd */
     no_map_access,                 /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     debug_event_destroy            /* destroy */
 };
@@ -98,6 +99,7 @@ static const struct object_ops debug_ctx_ops =
     no_get_fd,                     /* get_fd */
     no_map_access,                 /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     debug_ctx_destroy              /* destroy */
 };

server/directory.c

@@ -65,6 +65,7 @@ static const struct object_ops directory_ops =
     no_get_fd,                    /* get_fd */
     directory_map_access,         /* map_access */
     directory_lookup_name,        /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     directory_destroy             /* destroy */
 };

server/event.c

@@ -60,6 +60,7 @@ static const struct object_ops event_ops =
     no_get_fd,                 /* get_fd */
     event_map_access,          /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     no_destroy                 /* destroy */
 };

server/fd.c

@@ -190,6 +190,7 @@ static const struct object_ops fd_ops =
     no_get_fd,                /* get_fd */
     no_map_access,            /* map_access */
     no_lookup_name,           /* lookup_name */
+    no_open_file,             /* open_file */
     no_close_handle,          /* close_handle */
     fd_destroy                /* destroy */
 };
@@ -223,6 +224,7 @@ static const struct object_ops device_ops =
     no_get_fd,                /* get_fd */
     no_map_access,            /* map_access */
     no_lookup_name,           /* lookup_name */
+    no_open_file,             /* open_file */
     no_close_handle,          /* close_handle */
     device_destroy            /* destroy */
 };
@@ -255,6 +257,7 @@ static const struct object_ops inode_ops =
     no_get_fd,                /* get_fd */
     no_map_access,            /* map_access */
     no_lookup_name,           /* lookup_name */
+    no_open_file,             /* open_file */
     no_close_handle,          /* close_handle */
     inode_destroy             /* destroy */
 };
@@ -289,6 +292,7 @@ static const struct object_ops file_lock_ops =
     no_get_fd,                  /* get_fd */
     no_map_access,              /* map_access */
     no_lookup_name,             /* lookup_name */
+    no_open_file,               /* open_file */
     no_close_handle,            /* close_handle */
     no_destroy                  /* destroy */
 };

server/file.c

@@ -84,6 +84,7 @@ static const struct object_ops file_ops =
     file_get_fd,                  /* get_fd */
     file_map_access,              /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     fd_close_handle,              /* close_handle */
     file_destroy                  /* destroy */
 };

server/handle.c

@@ -112,6 +112,7 @@ static const struct object_ops handle_table_ops =
     no_get_fd,                       /* get_fd */
     no_map_access,                   /* map_access */
     no_lookup_name,                  /* lookup_name */
+    no_open_file,                    /* open_file */
     no_close_handle,                 /* close_handle */
     handle_table_destroy             /* destroy */
 };

server/hook.c

@@ -85,6 +85,7 @@ static const struct object_ops hook_table_ops =
     no_get_fd,                    /* get_fd */
     no_map_access,                /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     hook_table_destroy            /* destroy */
 };

server/mailslot.c

@@ -80,6 +80,7 @@ static const struct object_ops mailslot_ops =
     mailslot_get_fd,           /* get_fd */
     mailslot_map_access,       /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     fd_close_handle,           /* close_handle */
     mailslot_destroy           /* destroy */
 };
@@ -124,6 +125,7 @@ static const struct object_ops mail_writer_ops =
     mail_writer_get_fd,         /* get_fd */
     mail_writer_map_access,     /* map_access */
     no_lookup_name,             /* lookup_name */
+    no_open_file,               /* open_file */
     fd_close_handle,            /* close_handle */
     mail_writer_destroy         /* destroy */
 };
@@ -167,6 +169,7 @@ static const struct object_ops mailslot_device_ops =
     mailslot_device_get_fd,         /* get_fd */
     no_map_access,                  /* map_access */
     mailslot_device_lookup_name,    /* lookup_name */
+    no_open_file,                   /* open_file */
     fd_close_handle,                /* close_handle */
     mailslot_device_destroy         /* destroy */
 };

server/mapping.c

@@ -68,6 +68,7 @@ static const struct object_ops mapping_ops =
     mapping_get_fd,              /* get_fd */
     mapping_map_access,          /* map_access */
     no_lookup_name,              /* lookup_name */
+    no_open_file,                /* open_file */
     fd_close_handle,             /* close_handle */
     mapping_destroy              /* destroy */
 };

server/mutex.c

@@ -63,6 +63,7 @@ static const struct object_ops mutex_ops =
     no_get_fd,                 /* get_fd */
     mutex_map_access,          /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     mutex_destroy              /* destroy */
 };

server/named_pipe.c

@@ -122,6 +122,7 @@ static const struct object_ops named_pipe_ops =
     no_get_fd,                    /* get_fd */
     named_pipe_map_access,        /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     named_pipe_destroy            /* destroy */
 };
@@ -148,6 +149,7 @@ static const struct object_ops pipe_server_ops =
     pipe_server_get_fd,           /* get_fd */
     pipe_map_access,              /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     fd_close_handle,              /* close_handle */
     pipe_server_destroy           /* destroy */
 };
@@ -181,6 +183,7 @@ static const struct object_ops pipe_client_ops =
     pipe_client_get_fd,           /* get_fd */
     pipe_map_access,              /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     fd_close_handle,              /* close_handle */
     pipe_client_destroy           /* destroy */
 };
@@ -214,6 +217,7 @@ static const struct object_ops named_pipe_device_ops =
     named_pipe_device_get_fd,         /* get_fd */
     pipe_map_access,                  /* map_access */
     named_pipe_device_lookup_name,    /* lookup_name */
+    no_open_file,                     /* open_file */
     fd_close_handle,                  /* close_handle */
     named_pipe_device_destroy         /* destroy */
 };

server/object.c

@@ -371,6 +371,13 @@ struct object *no_lookup_name( struct object *obj, struct unicode_str *name,
     return NULL;
 }
 
+struct object *no_open_file( struct object *obj, unsigned int access, unsigned int sharing,
+                             unsigned int options )
+{
+    set_error( STATUS_OBJECT_TYPE_MISMATCH );
+    return NULL;
+}
+
 int no_close_handle( struct object *obj, struct process *process, obj_handle_t handle )
 {
     return 1;  /* ok to close */

server/object.h

@@ -76,6 +76,9 @@ struct object_ops
     unsigned int (*map_access)(struct object *, unsigned int);
     /* lookup a name if an object has a namespace */
     struct object *(*lookup_name)(struct object *, struct unicode_str *,unsigned int);
+    /* open a file object to access this object */
+    struct object *(*open_file)(struct object *, unsigned int access, unsigned int sharing,
+                                unsigned int options);
     /* close a handle to this object */
     int (*close_handle)(struct object *,struct process *,obj_handle_t);
     /* destroy on refcount == 0 */
@@ -125,6 +128,8 @@ extern int no_signal( struct object *obj, unsigned int access );
 extern struct fd *no_get_fd( struct object *obj );
 extern unsigned int no_map_access( struct object *obj, unsigned int access );
 extern struct object *no_lookup_name( struct object *obj, struct unicode_str *name, unsigned int attributes );
+extern struct object *no_open_file( struct object *obj, unsigned int access, unsigned int sharing,
+                                    unsigned int options );
 extern int no_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
 extern void no_destroy( struct object *obj );
 #ifdef DEBUG_OBJECTS

server/process.c

@@ -75,6 +75,7 @@ static const struct object_ops process_ops =
     no_get_fd,                   /* get_fd */
     process_map_access,          /* map_access */
     no_lookup_name,              /* lookup_name */
+    no_open_file,                /* open_file */
     no_close_handle,             /* close_handle */
     process_destroy              /* destroy */
 };
@@ -119,6 +120,7 @@ static const struct object_ops startup_info_ops =
     no_get_fd,                     /* get_fd */
     no_map_access,                 /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     startup_info_destroy           /* destroy */
 };

server/queue.c

@@ -155,6 +155,7 @@ static const struct object_ops msg_queue_ops =
     no_get_fd,                 /* get_fd */
     no_map_access,             /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     msg_queue_destroy          /* destroy */
 };
@@ -172,6 +173,7 @@ static const struct object_ops thread_input_ops =
     no_get_fd,                    /* get_fd */
     no_map_access,                /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     thread_input_destroy          /* destroy */
 };

server/registry.c

@@ -150,6 +150,7 @@ static const struct object_ops key_ops =
     no_get_fd,               /* get_fd */
     key_map_access,          /* map_access */
     no_lookup_name,          /* lookup_name */
+    no_open_file,            /* open_file */
     key_close_handle,        /* close_handle */
     key_destroy              /* destroy */
 };

server/request.c

@@ -97,6 +97,7 @@ static const struct object_ops master_socket_ops =
     no_get_fd,                     /* get_fd */
     no_map_access,                 /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     master_socket_destroy          /* destroy */
 };

server/semaphore.c

@@ -60,6 +60,7 @@ static const struct object_ops semaphore_ops =
     no_get_fd,                     /* get_fd */
     semaphore_map_access,          /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     no_destroy                     /* destroy */
 };

server/serial.c

@@ -104,6 +104,7 @@ static const struct object_ops serial_ops =
     serial_get_fd,                /* get_fd */
     serial_map_access,            /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     fd_close_handle,              /* close_handle */
     serial_destroy                /* destroy */
 };

server/signal.c

@@ -71,6 +71,7 @@ static const struct object_ops handler_ops =
     no_get_fd,                /* get_fd */
     no_map_access,            /* map_access */
     no_lookup_name,           /* lookup_name */
+    no_open_file,             /* open_file */
     no_close_handle,          /* close_handle */
     handler_destroy           /* destroy */
 };

server/snapshot.c

@@ -69,6 +69,7 @@ static const struct object_ops snapshot_ops =
     no_get_fd,                    /* get_fd */
     no_map_access,                /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     snapshot_destroy              /* destroy */
 };

server/sock.c

@@ -114,6 +114,7 @@ static const struct object_ops sock_ops =
     sock_get_fd,                  /* get_fd */
     sock_map_access,              /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     fd_close_handle,              /* close_handle */
     sock_destroy                  /* destroy */
 };

server/symlink.c

@@ -63,6 +63,7 @@ static const struct object_ops symlink_ops =
     no_get_fd,                    /* get_fd */
     symlink_map_access,           /* map_access */
     symlink_lookup_name,          /* lookup_name */
+    no_open_file,                 /* open_file */
     no_close_handle,              /* close_handle */
     symlink_destroy               /* destroy */
 };

server/thread.c

@@ -94,6 +94,7 @@ static const struct object_ops thread_apc_ops =
     no_get_fd,                  /* get_fd */
     no_map_access,              /* map_access */
     no_lookup_name,             /* lookup_name */
+    no_open_file,               /* open_file */
     no_close_handle,            /* close_handle */
     thread_apc_destroy          /* destroy */
 };
@@ -119,6 +120,7 @@ static const struct object_ops thread_ops =
     no_get_fd,                  /* get_fd */
     thread_map_access,          /* map_access */
     no_lookup_name,             /* lookup_name */
+    no_open_file,               /* open_file */
     no_close_handle,            /* close_handle */
     destroy_thread              /* destroy */
 };

server/timer.c

@@ -68,6 +68,7 @@ static const struct object_ops timer_ops =
     no_get_fd,                 /* get_fd */
     timer_map_access,          /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     timer_destroy              /* destroy */
 };

server/token.c

@@ -128,6 +128,7 @@ static const struct object_ops token_ops =
     no_get_fd,                 /* get_fd */
     token_map_access,          /* map_access */
     no_lookup_name,            /* lookup_name */
+    no_open_file,              /* open_file */
     no_close_handle,           /* close_handle */
     token_destroy              /* destroy */
 };

server/winstation.c

@@ -64,6 +64,7 @@ static const struct object_ops winstation_ops =
     no_get_fd,                    /* get_fd */
     winstation_map_access,        /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     winstation_close_handle,      /* close_handle */
     winstation_destroy            /* destroy */
 };
@@ -81,6 +82,7 @@ static const struct object_ops desktop_ops =
     no_get_fd,                    /* get_fd */
     desktop_map_access,           /* map_access */
     no_lookup_name,               /* lookup_name */
+    no_open_file,                 /* open_file */
     desktop_close_handle,         /* close_handle */
     desktop_destroy               /* destroy */
 };