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/* Standard startup-time command line parser
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2007
Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.org>
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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <argp.h>
#include <hurd/store.h>
#include <hurd/paths.h>
#include "priv.h"
const char *diskfs_boot_command_line;
char **_diskfs_boot_command;
int _diskfs_boot_pause;
extern char **diskfs_argv;
mach_port_t diskfs_exec_server_task = MACH_PORT_NULL;
/* ---------------------------------------------------------------- */
#define OPT_HOST_PRIV_PORT (-1)
#define OPT_DEVICE_MASTER_PORT (-2)
#define OPT_EXEC_SERVER_TASK (-3)
#define OPT_BOOT_CMDLINE (-4)
#define OPT_BOOT_COMMAND (-5)
#define OPT_BOOT_INIT_PROGRAM (-6)
#define OPT_BOOT_PAUSE (-7)
static const struct argp_option
startup_options[] =
{
{"directory", 'C', "DIRECTORY", 0,
"Use DIRECTORY as the root of the filesystem"},
{"virtual-root", 0, 0, OPTION_ALIAS},
{"chroot", 0, 0, OPTION_ALIAS},
{0,0,0,0, "Boot options:", -2},
{"multiboot-command-line", OPT_BOOT_CMDLINE, "ARGS", 0,
"Required for bootstrap filesystem, the multiboot kernel command line"},
{"bootflags", 0, 0, OPTION_ALIAS|OPTION_HIDDEN},
{"boot-init-program", OPT_BOOT_INIT_PROGRAM, "FILE", 0,
"For bootstrap filesystem, init program to run (default " _HURD_STARTUP ")"},
{"boot-debug-pause", OPT_BOOT_PAUSE, 0, 0,
"Pause for keystroke before starting bootstrap programs"},
{"boot-command", OPT_BOOT_COMMAND, 0, 0,
"Remaining arguments form command line to run"
" at bootstrap instead of init"},
{"host-priv-port", OPT_HOST_PRIV_PORT, "PORT"},
{"device-master-port", OPT_DEVICE_MASTER_PORT, "PORT"},
{"exec-server-task", OPT_EXEC_SERVER_TASK, "PORT"},
{0}
};
static error_t
parse_startup_opt (int opt, char *arg, struct argp_state *state)
{
switch (opt)
{
#define TOGGLE(var, on, off) \
case on: var = 1; break; \
case off: var = 0; break;
TOGGLE (diskfs_readonly, 'r', 'w');
TOGGLE (_diskfs_nosuid, 'S', OPT_SUID_OK);
TOGGLE (_diskfs_noexec, 'E', OPT_EXEC_OK);
TOGGLE (_diskfs_noatime, 'A', OPT_ATIME);
TOGGLE (_diskfs_no_inherit_dir_group, OPT_NO_INHERIT_DIR_GROUP,
OPT_INHERIT_DIR_GROUP);
#undef TOGGLE
case 's':
if (arg == NULL)
diskfs_synchronous = 1;
else
diskfs_default_sync_interval = atoi (arg);
break;
case 'n':
diskfs_synchronous = 0;
diskfs_default_sync_interval = 0;
break;
/* Boot options */
case OPT_DEVICE_MASTER_PORT:
_hurd_device_master = atoi (arg); break;
case OPT_HOST_PRIV_PORT:
_hurd_host_priv = atoi (arg); break;
case OPT_EXEC_SERVER_TASK:
diskfs_exec_server_task = atoi (arg); break;
case OPT_BOOT_CMDLINE:
diskfs_boot_command_line = arg; break;
case OPT_BOOT_INIT_PROGRAM:
diskfs_boot_init_program = arg; break;
case OPT_BOOT_PAUSE:
_diskfs_boot_pause = 1; break;
case 'C':
_diskfs_chroot_directory = arg; break;
case OPT_BOOT_COMMAND:
if (state->next == state->argc)
argp_error (state, "Command line must follow --boot-command option");
_diskfs_boot_command = state->argv + state->next;
state->next = state->argc; /* stop parsing */
{char **p; for (p = _diskfs_boot_command; *p; ++p) printf("BC %s\n",*p);}
break;
case ARGP_KEY_END:
diskfs_argv = state->argv; break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
/* Suck in the common arguments. */
static const struct argp startup_common_argp =
{ diskfs_common_options, parse_startup_opt };
static const struct argp_child startup_argp_children[] =
{ {&startup_common_argp}, {0} };
/* This may be used with argp_parse to parse standard diskfs startup
options, possible chained onto the end of a user argp structure. */
const struct argp
diskfs_startup_argp =
{
startup_options, parse_startup_opt, 0, 0, startup_argp_children
};
static error_t
parse_store_startup_opt (int opt, char *arg, struct argp_state *state)
{
switch (opt)
{
case ARGP_KEY_INIT:
/* Propagate our input to our STORE_ARGP child , which it will use to
return what it parses. */
state->child_inputs[1] = state->input; break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static const struct argp_child store_argp_children[] =
{ {&diskfs_startup_argp}, {&store_argp}, {0} };
/* An argp structure for the standard diskfs command line arguments plus a
store specification. The address of a location in which to return the
resulting struct store_parsed structure should be passed as the input
argument to argp_parse; see the declaration for STORE_ARGP in
<hurd/store.h> for more information. */
const struct argp
diskfs_store_startup_argp =
{
0, parse_store_startup_opt, 0, 0, store_argp_children
};
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