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/* Server for S_IFSOCK nodes
Copyright (C) 1994 Free Software Foundation
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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <hurd.h>
#include <hurd/ports.h>
#include <hurd/trivfs.h>
#include <hurd/paths.h>
#include <sys/socket.h>
#include <hurd/socket.h>
#include <hurd/fsys.h>
#include <stdio.h>
#include <assert.h>
#include <fcntl.h>
#include "ifsock_S.h"
mach_port_t address_port;
/* Port types */
#define PT_CTL 0
#define PT_NODE 1
int trivfs_fstype = FSTYPE_IFSOCK;
int trivfs_fsid = 0; /* ??? */
int trivfs_support_read = 0;
int trivfs_support_write = 0;
int trivfs_support_exec = 0;
int trivfs_allow_open = 0;
int trivfs_protid_porttypes[] = {PT_NODE};
int trivfs_cntl_porttypes[] = {PT_CTL};
int trivfs_protid_nporttypes = 1;
int trivfs_cntl_nporttypes = 1;
int
main (int argc, char **argv)
{
mach_port_t bootstrap;
mach_port_t pflocal;
mach_port_t ourcntl;
mach_port_t realnode;
char buf[512];
struct trivfs_control *cntl;
error_t error;
_libports_initialize ();
task_get_bootstrap_port (mach_task_self (), &bootstrap);
if (bootstrap == MACH_PORT_NULL)
{
fprintf (stderr, "%s must be started as a translator\n", argv[0]);
exit (1);
}
/* Reply to our parent */
ourcntl = trivfs_handle_port (MACH_PORT_NULL, PT_CTL, PT_NODE);
error = fsys_startup (bootstrap, ourcntl, MACH_MSG_TYPE_MAKE_SEND,
&realnode);
/* Install the returned realnode for trivfs's use */
cntl = ports_check_port_type (ourcntl, PT_CTL);
assert (cntl);
ports_change_hardsoft (cntl, 1);
cntl->underlying = realnode;
ports_done_with_port (cntl);
/* Try and connect to the pflocal server */
sprintf (buf, "%s/%d", _SERVERS_SOCKET, PF_LOCAL);
pflocal = path_lookup (buf, 0, 0);
if (pflocal == MACH_PORT_NULL)
address_port = MACH_PORT_NULL;
else
{
errno = socket_fabricate_address (pflocal, AF_LOCAL, &address_port);
if (errno)
address_port = MACH_PORT_NULL;
mach_port_deallocate (mach_task_self (), pflocal);
}
/* Launch. */
ports_manage_port_operations_onethread ();
return 0;
}
void (*ports_cleanroutines[])(void *) =
{
[PT_CTL] = trivfs_clean_cntl,
[PT_NODE] = trivfs_clean_protid,
};
int
ports_demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
{
return trivfs_demuxer (inp, outp) || ifsock_server (inp, outp);
}
void
ports_notice_idle (int nhard, int nsoft)
{
if (!nhard && !nsoft)
exit (0);
}
void
ports_no_live_ports ()
{
exit (0);
}
void
ports_no_hard_ports ()
{
exit (0);
}
void
trivfs_modify_stat (struct stat *st)
{
st->st_mode = (st->st_mode & ~S_IFMT) | S_IFSOCK;
}
error_t
trivfs_goaway (int flags, mach_port_t realnode, int ctltype, int pitype)
{
exit (0);
}
error_t
S_ifsock_getsockaddr (file_t sockfile,
mach_port_t *address)
{
struct trivfs_protid *cred = ports_check_port_type (sockfile, PT_NODE);
int perms;
error_t err;
if (!cred)
return EOPNOTSUPP;
err = file_check_access (cred->realnode, &perms);
if (!err && !(perms & O_READ))
err = EACCES;
if (!err)
*address = address_port;
return err;
}
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