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/* netio - creates socket ports via the filesystem
Copyright (C) 2001, 02 Moritz Schulte <moritz@duesseldorf.ccc.de>
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA */
#include <hurd.h>
#include <hurd/netfs.h>
#include <hurd/paths.h>
#include <argp.h>
#include <errno.h>
#include <error.h>
#include <stdio.h>
#include <sys/socket.h>
#include <unistd.h>
#include "netio.h"
#include "lib.h"
#include "node.h"
#include "protocol.h"
#include "version.h"
char *netfs_server_name = "netio";
char *netfs_server_version = HURD_VERSION;
const char *argp_program_version = STANDARD_HURD_VERSION (netio);
const char *argp_program_bug_address =
"Moritz Schulte <moritz@duesseldorf.ccc.de>";
const char *doc = "Hurd netio translator v" NETIO_VERSION;
/* The underlying node. */
mach_port_t ul_node;
/* The socket server, PF_INET for us. */
pf_t socket_server;
/* Has to be defined for libnetfs... */
int netfs_maxsymlinks = 0;
/* Our filesystem id - will be our pid. */
int fsid = 0;
/* Used for updating node information. */
volatile struct mapped_time_value *netio_maptime;
/* argp options. */
static const struct argp_option netio_options[] =
{
{ 0 }
};
/* argp option parser. */
static error_t
parse_opts (int key, char *arg, struct argp_state *sate)
{
return 0;
}
/* Main. */
int
main (int argc, char **argv)
{
struct argp netio_argp = { netio_options, parse_opts,
NULL, doc, NULL };
mach_port_t bootstrap_port;
error_t err;
extern struct stat stat_default;
argp_parse (&netio_argp, argc, argv, 0, 0, 0);
task_get_bootstrap_port (mach_task_self (), &bootstrap_port);
netfs_init ();
ul_node = netfs_startup (bootstrap_port, 0);
err = node_make_root_node (&netfs_root_node);
if (err)
error (EXIT_FAILURE, err, "cannot create root node");
fsid = getpid ();
{
/* Here we adjust the root node permissions. */
struct stat ul_node_stat;
err = io_stat (ul_node, &ul_node_stat);
if (err)
error (EXIT_FAILURE, err, "cannot stat underlying node");
netfs_root_node->nn_stat = ul_node_stat;
netfs_root_node->nn_stat.st_fsid = fsid;
netfs_root_node->nn_stat.st_mode = S_IFDIR | (ul_node_stat.st_mode
& ~S_IFMT & ~S_ITRANS);
/* If the underlying node isn't a directory, enhance the stat
information, if needed. */
if (! S_ISDIR (ul_node_stat.st_mode))
{
if (ul_node_stat.st_mode & S_IRUSR)
netfs_root_node->nn_stat.st_mode |= S_IXUSR;
if (ul_node_stat.st_mode & S_IRGRP)
netfs_root_node->nn_stat.st_mode |= S_IXGRP;
if (ul_node_stat.st_mode & S_IROTH)
netfs_root_node->nn_stat.st_mode |= S_IXOTH;
}
}
err = maptime_map (0, 0, &netio_maptime);
if (err)
error (EXIT_FAILURE, err, "cannot map time");
fshelp_touch (&netfs_root_node->nn_stat,
TOUCH_ATIME|TOUCH_MTIME|TOUCH_CTIME,
netio_maptime);
/* Here we initialize the default stat information for netio
nodes. */
stat_default.st_fstype = FSTYPE_MISC;
stat_default.st_fsid = fsid;
stat_default.st_ino = 1; /* ? */
stat_default.st_gen = 0;
stat_default.st_rdev = 0;
stat_default.st_mode = 0;
stat_default.st_nlink = 0;
stat_default.st_uid = netfs_root_node->nn_stat.st_uid;
stat_default.st_gid = netfs_root_node->nn_stat.st_gid;
stat_default.st_size = 0;
stat_default.st_blksize = 0;
stat_default.st_blocks = 0;
stat_default.st_author = netfs_root_node->nn_stat.st_author;
err = open_socket_server (PF_INET, &socket_server);
if (err)
error (EXIT_FAILURE, err, "open_socket_server");
err = protocol_register_protocols ();
if (err)
error (EXIT_FAILURE, err, "protocol_register_protocols");
for (;;)
netfs_server_loop ();
/* Never reached. */
exit (0);
}
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