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/*
Copyright (C) 1996, 1997, 2000, 2001, 2006, 2007, 2017
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 the GNU Hurd. If not, see <http://www.gnu.org/licenses/>.
*/
/* Fsysopts and command line option parsing */
#ifndef OPTIONS_H
#define OPTIONS_H
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#include <argp.h>
#include <lwip/ip.h>
#include <lwip/netif.h>
#define DEV_NAME_LEN 256
/* Used to describe a particular interface during argument parsing. */
struct parse_interface
{
/* The network interface in question. */
char dev_name[DEV_NAME_LEN];
/* New values to apply to it. (IPv4) */
ip4_addr_t address, netmask, peer, gateway;
/* New IPv6 configuration to apply. */
uint32_t addr6[LWIP_IPV6_NUM_ADDRESSES][4];
};
/* Used to hold data during argument parsing. */
struct parse_hook
{
/* A list of specified interfaces and their corresponding options. */
struct parse_interface *interfaces;
size_t num_interfaces;
/* Interface to which options apply. If the device field isn't filled in
then it should be by the next --interface option. */
struct parse_interface *curint;
};
/* Lwip translator options. Used for both startup and runtime. */
static const struct argp_option options[] = {
{"interface", 'i', "DEVICE", 0, "Network interface to use", 1},
{0, 0, 0, 0, "These apply to a given interface:", 2},
{"address", 'a', "ADDRESS", OPTION_ARG_OPTIONAL, "Set the network address"},
{"netmask", 'm', "MASK", OPTION_ARG_OPTIONAL, "Set the netmask"},
{"gateway", 'g', "ADDRESS", OPTION_ARG_OPTIONAL, "Set the default gateway"},
{"ipv4", '4', "NAME", 0, "Put active IPv4 translator on NAME"},
{"ipv6", '6', "NAME", 0, "Put active IPv6 translator on NAME"},
{"address6", 'A', "ADDR/LEN", OPTION_ARG_OPTIONAL,
"Set the global IPv6 address"},
{0}
};
static const char doc[] = "Interface-specific options before the first \
interface specification apply to the first following interface; otherwise \
they apply to the previously specified interface.";
#endif // OPTIONS_H
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