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-rw-r--r--devnode/devnode.c359
1 files changed, 0 insertions, 359 deletions
diff --git a/devnode/devnode.c b/devnode/devnode.c
deleted file mode 100644
index 6ec8a654..00000000
--- a/devnode/devnode.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- Copyright (C) 2008 Free Software Foundation, Inc.
- Written by Zheng Da.
-
- This file is part of the GNU Hurd.
-
- The GNU Hurd 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 2, or (at your option)
- any later version.
-
- The GNU Hurd 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 the GNU Hurd; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
- * This program is a translator that sits on the top of the network
- * interface and helps socket servers open the interface.
- */
-
-#include <argp.h>
-#include <argz.h>
-#include <errno.h>
-#include <error.h>
-#include <stddef.h>
-#include <fcntl.h>
-
-#include <hurd.h>
-#include <mach.h>
-#include <device/device.h>
-#include <hurd/trivfs.h>
-#include <hurd/ports.h>
-#include <version.h>
-
-#include "device_S.h"
-#include "notify_S.h"
-#include "util.h"
-
-/* The name of the network interface that the translator sits on. */
-static char *device_name;
-/* The device name used by the socket servers. */
-static char *user_device_name;
-static char *master_file;
-/* The master device port for opening the interface. */
-static mach_port_t master_device;
-
-const char *argp_program_version = STANDARD_HURD_VERSION (devnode);
-
-static const char args_doc[] = "device";
-static const char doc[] = "Hurd devnode translator.";
-static const struct argp_option options[] =
-{
- {"name", 'n', "DEVICENAME", 0,
- "Define the device name used by clients in device_open()", 2},
- {"master-device", 'M', "FILE", 0,
- "Get a pseudo master device port", 3},
- {0}
-};
-
-/* Port bucket we service requests on. */
-struct port_bucket *port_bucket;
-
-/* Trivfs hooks. */
-int trivfs_fstype = FSTYPE_MISC;
-int trivfs_fsid = 0;
-int trivfs_support_read = 0;
-int trivfs_support_write = 0;
-int trivfs_support_exec = 0;
-int trivfs_allow_open = O_READ | O_WRITE;
-
-/* Our port classes. */
-struct port_class *trivfs_protid_class;
-struct port_class *trivfs_cntl_class;
-
-static int
-devnode_demuxer (mach_msg_header_t *inp,
- mach_msg_header_t *outp)
-{
- mig_routine_t routine;
- if ((routine = device_server_routine (inp)) ||
- (routine = notify_server_routine (inp)) ||
- (routine = NULL, trivfs_demuxer (inp, outp)))
- {
- if (routine)
- (*routine) (inp, outp);
- return TRUE;
- }
- else
- return FALSE;
-}
-
-/* Implementation of notify interface */
-kern_return_t
-do_mach_notify_port_deleted (struct port_info *pi,
- mach_port_t name)
-{
- return EOPNOTSUPP;
-}
-
-kern_return_t
-do_mach_notify_msg_accepted (struct port_info *pi,
- mach_port_t name)
-{
- return EOPNOTSUPP;
-}
-
-kern_return_t
-do_mach_notify_port_destroyed (struct port_info *pi,
- mach_port_t port)
-{
- return EOPNOTSUPP;
-}
-
-kern_return_t
-do_mach_notify_no_senders (struct port_info *pi,
- mach_port_mscount_t mscount)
-{
- return ports_do_mach_notify_no_senders (pi, mscount);
-}
-
-kern_return_t
-do_mach_notify_send_once (struct port_info *pi)
-{
- return EOPNOTSUPP;
-}
-
-kern_return_t
-do_mach_notify_dead_name (struct port_info *pi,
- mach_port_t name)
-{
- return EOPNOTSUPP;
-}
-
-/* Implementation of device interface */
-kern_return_t
-ds_device_open (mach_port_t master_port, mach_port_t reply_port,
- mach_msg_type_name_t reply_portPoly,
- dev_mode_t mode, dev_name_t name, mach_port_t *device,
- mach_msg_type_name_t *devicetype)
-{
- error_t err;
-
- debug ("ds_device_open is called\n");
-
- if ((user_device_name && strcmp (user_device_name, name))
- || device_name == NULL)
- return D_NO_SUCH_DEVICE;
-
- if (master_file != NULL)
- {
- if (master_device != MACH_PORT_NULL)
- mach_port_deallocate (mach_task_self (), master_device);
-
- master_device = file_name_lookup (master_file, 0, 0);
- if (master_device == MACH_PORT_NULL)
- error (1, errno, "file_name_lookup");
- }
-
- err = device_open (master_device, mode, device_name, device);
- *devicetype = MACH_MSG_TYPE_MOVE_SEND;
- return err;
-}
-
-kern_return_t
-ds_device_close (device_t device)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_write (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, io_buf_ptr_t data, size_t datalen,
- int *bytes_written)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_write_inband (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, io_buf_ptr_inband_t data,
- size_t datalen, int *bytes_written)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_read (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, int bytes_wanted,
- io_buf_ptr_t *data, size_t *datalen)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_read_inband (device_t device, mach_port_t reply_port,
- mach_msg_type_name_t reply_type, dev_mode_t mode,
- recnum_t recnum, int bytes_wanted,
- io_buf_ptr_inband_t data, size_t *datalen)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_map (device_t device, vm_prot_t prot, vm_offset_t offset,
- vm_size_t size, memory_object_t *pager, int unmap)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_set_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t statuslen)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_get_status (device_t device, dev_flavor_t flavor,
- dev_status_t status, size_t *statuslen)
-{
- return D_INVALID_OPERATION;
-}
-
-kern_return_t
-ds_device_set_filter (device_t device, mach_port_t receive_port,
- int priority, filter_array_t filter, size_t filterlen)
-{
- return D_INVALID_OPERATION;
-}
-
-error_t
-trivfs_append_args (struct trivfs_control *fsys, char **argz, size_t *argz_len)
-{
- error_t err = 0;
-
-#define ADD_OPT(fmt, args...) \
- do { char buf[100]; \
- if (! err) { \
- snprintf (buf, sizeof buf, fmt , ##args); \
- err = argz_add (argz, argz_len, buf); } } while (0)
-
- if (user_device_name)
- ADD_OPT ("--name=%s", user_device_name);
- if (master_file)
- ADD_OPT ("--master-device=%s", master_file);
-
- ADD_OPT ("%s", device_name);
-
-#undef ADD_OPT
- return err;
-}
-
-void
-trivfs_modify_stat (struct trivfs_protid *cred, io_statbuf_t *stat)
-{
-}
-
-error_t
-trivfs_goaway (struct trivfs_control *fsys, int flags)
-{
- int count;
-
- /* Stop new requests. */
- ports_inhibit_class_rpcs (trivfs_cntl_class);
- ports_inhibit_class_rpcs (trivfs_protid_class);
-
- count = ports_count_class (trivfs_protid_class);
- debug ("the number of ports alive: %d\n", count);
-
- if (count && !(flags & FSYS_GOAWAY_FORCE))
- {
- /* We won't go away, so start things going again... */
- ports_enable_class (trivfs_protid_class);
- ports_resume_class_rpcs (trivfs_cntl_class);
- ports_resume_class_rpcs (trivfs_protid_class);
- return EBUSY;
- }
-
- mach_port_deallocate (mach_task_self (), master_device);
- debug ("the translator is gone away\n");
- exit (0);
-}
-
-static error_t
-parse_opt (int opt, char *arg, struct argp_state *state)
-{
- switch (opt)
- {
- case 'M':
- master_file = arg;
- master_device = file_name_lookup (arg, 0, 0);
- if (master_device == MACH_PORT_NULL)
- error (1, errno, "file_name_lookup");
- break;
- case 'n':
- user_device_name = arg;
- break;
- case ARGP_KEY_ARG:
- device_name = arg;
- break;
- case ARGP_KEY_ERROR:
- case ARGP_KEY_SUCCESS:
- case ARGP_KEY_INIT:
- break;
- default:
- return ARGP_ERR_UNKNOWN;
- }
- return 0;
-}
-
-int
-main (int argc, char *argv[])
-{
- error_t err;
- mach_port_t bootstrap;
- struct trivfs_control *fsys;
- const struct argp argp = { options, parse_opt, args_doc, doc };
-
- port_bucket = ports_create_bucket ();
- trivfs_cntl_class = ports_create_class (trivfs_clean_cntl, 0);
- trivfs_protid_class = ports_create_class (trivfs_clean_protid, 0);
-
- argp_parse (&argp, argc, argv, 0, 0, 0);
-
- task_get_bootstrap_port (mach_task_self (), &bootstrap);
- if (bootstrap == MACH_PORT_NULL)
- error (1, 0, "must be started as a translator");
-
- if (master_device == MACH_PORT_NULL)
- {
- err = get_privileged_ports (0, &master_device);
- if (err)
- error (1, err, "get_privileged_ports");
- }
-
- /* Reply to our parent. */
- err = trivfs_startup (bootstrap, 0,
- trivfs_cntl_class, port_bucket,
- trivfs_protid_class, port_bucket, &fsys);
- mach_port_deallocate (mach_task_self (), bootstrap);
- if (err)
- error (1, err, "Contacting parent");
-
- /* Launch. */
- do
- {
- ports_manage_port_operations_one_thread (port_bucket,
- devnode_demuxer, 0);
- } while (trivfs_goaway (fsys, 0));
- return 0;
-}
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