source: rtems-libbsd/dhcpcd/if-options.h @ 91b858d

/*
 * dhcpcd - DHCP client daemon
 * Copyright (c) 2006-2014 Roy Marples <roy@marples.name>
 * All rights reserved

 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef IF_OPTIONS_H
#define IF_OPTIONS_H

#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>

#include <getopt.h>
#include <limits.h>
#include <stdint.h>

#include "auth.h"

/* Don't set any optional arguments here so we retain POSIX
 * compatibility with getopt */
#define IF_OPTS "46bc:de:f:gh:i:kl:m:no:pqr:s:t:u:v:wxy:z:ABC:DEF:GHI:JKLO:Q:S:TUVW:X:Z:"

#define DEFAULT_TIMEOUT         30
#define DEFAULT_REBOOT          5

#ifndef HOSTNAME_MAX_LEN
#define HOSTNAME_MAX_LEN        250     /* 255 - 3 (FQDN) - 2 (DNS enc) */
#endif
#define VENDORCLASSID_MAX_LEN   255
#define CLIENTID_MAX_LEN        48
#define USERCLASS_MAX_LEN       255
#define VENDOR_MAX_LEN          255

#define DHCPCD_ARP                      (1ULL << 0)
#define DHCPCD_RELEASE                  (1ULL << 1)
#define DHCPCD_DOMAIN                   (1ULL << 2)
#define DHCPCD_GATEWAY                  (1ULL << 3)
#define DHCPCD_STATIC                   (1ULL << 4)
#define DHCPCD_DEBUG                    (1ULL << 5)
#define DHCPCD_LASTLEASE                (1ULL << 7)
#define DHCPCD_INFORM                   (1ULL << 8)
#define DHCPCD_REQUEST                  (1ULL << 9)
#define DHCPCD_IPV4LL                   (1ULL << 10)
#define DHCPCD_DUID                     (1ULL << 11)
#define DHCPCD_PERSISTENT               (1ULL << 12)
#define DHCPCD_DAEMONISE                (1ULL << 14)
#define DHCPCD_DAEMONISED               (1ULL << 15)
#define DHCPCD_TEST                     (1ULL << 16)
#define DHCPCD_MASTER                   (1ULL << 17)
#define DHCPCD_HOSTNAME                 (1ULL << 18)
#define DHCPCD_CLIENTID                 (1ULL << 19)
#define DHCPCD_LINK                     (1ULL << 20)
#define DHCPCD_QUIET                    (1ULL << 21)
#define DHCPCD_BACKGROUND               (1ULL << 22)
#define DHCPCD_VENDORRAW                (1ULL << 23)
#define DHCPCD_TIMEOUT_IPV4LL           (1ULL << 24)
#define DHCPCD_WAITIP                   (1ULL << 25)
#define DHCPCD_WAITUP                   (1ULL << 26)
#define DHCPCD_CSR_WARNED               (1ULL << 27)
#define DHCPCD_XID_HWADDR               (1ULL << 28)
#define DHCPCD_BROADCAST                (1ULL << 29)
#define DHCPCD_DUMPLEASE                (1ULL << 30)
#define DHCPCD_IPV6RS                   (1ULL << 31)
#define DHCPCD_IPV6RA_REQRDNSS          (1ULL << 32)
#define DHCPCD_IPV6RA_OWN               (1ULL << 33)
#define DHCPCD_IPV6RA_OWN_DEFAULT       (1ULL << 34)
#define DHCPCD_IPV4                     (1ULL << 35)
#define DHCPCD_FORKED                   (1ULL << 36)
#define DHCPCD_IPV6                     (1ULL << 37)
#define DHCPCD_STARTED                  (1ULL << 38)
#define DHCPCD_NOALIAS                  (1ULL << 39)
#define DHCPCD_IA_FORCED                (1ULL << 40)
#define DHCPCD_STOPPING                 (1ULL << 41)
#define DHCPCD_DEPARTED                 (1ULL << 42)
#define DHCPCD_HOSTNAME_SHORT           (1ULL << 43)
#define DHCPCD_EXITING                  (1ULL << 44)
#define DHCPCD_WAITIP4                  (1ULL << 45)
#define DHCPCD_WAITIP6                  (1ULL << 46)
#define DHCPCD_DEV                      (1ULL << 47)
#define DHCPCD_IAID                     (1ULL << 48)
#define DHCPCD_DHCP                     (1ULL << 49)
#define DHCPCD_DHCP6                    (1ULL << 50)

extern const struct option cf_options[];

struct if_sla {
        char ifname[IF_NAMESIZE];
        uint32_t sla;
        short prefix_len;
        int8_t sla_set;
};

struct if_ia {
        uint8_t iaid[4];
#ifdef INET6
        size_t sla_len;
        struct if_sla *sla;
#endif
};

struct vivco {
        uint16_t len;
        uint8_t *data;
};

struct if_options {
        uint8_t iaid[4];
        int metric;
        uint8_t requestmask[256 / 8];
        uint8_t requiremask[256 / 8];
        uint8_t nomask[256 / 8];
        uint8_t requestmask6[(UINT16_MAX + 1) / 8];
        uint8_t requiremask6[(UINT16_MAX + 1) / 8];
        uint8_t nomask6[(UINT16_MAX + 1) / 8];
        uint8_t dstmask[256 / 8];
        uint32_t leasetime;
        time_t timeout;
        time_t reboot;
        unsigned long long options;

        struct in_addr req_addr;
        struct in_addr req_mask;
        struct rt_head *routes;
        char **config;

        char **environ;
        char script[PATH_MAX];

        char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
        int fqdn;
        uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
        char clientid[CLIENTID_MAX_LEN + 2];
        uint8_t userclass[USERCLASS_MAX_LEN + 2];
        uint8_t vendor[VENDOR_MAX_LEN + 2];

        size_t blacklist_len;
        in_addr_t *blacklist;
        size_t whitelist_len;
        in_addr_t *whitelist;
        size_t arping_len;
        in_addr_t *arping;
        char *fallback;

        uint16_t ia_type;
        struct if_ia *ia;
        size_t ia_len;
#ifdef INET6
        int dadtransmits;
#endif

        struct dhcp_opt *dhcp_override;
        size_t dhcp_override_len;
        struct dhcp_opt *dhcp6_override;
        size_t dhcp6_override_len;
        uint32_t vivco_en;
        struct vivco *vivco;
        size_t vivco_len;
        struct dhcp_opt *vivso_override;
        size_t vivso_override_len;

        struct auth auth;
};

extern unsigned long long options;
extern char *dev_load;

struct if_options *read_config(const char *,
    const char *, const char *, const char *);
int add_options(const char *, struct if_options *, int, char **);
void free_dhcp_opt_embenc(struct dhcp_opt *);
void free_options(struct if_options *);

#endif