if-options.h - platform/external/dhcpcd-6.8.2 - Git at Google

 /*
  * dhcpcd - DHCP client daemon
  * Copyright (c) 2006-2015 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/param.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 "46abc:de:f:gh:i:j:kl:m:no:pqr:s:t:u:v:wxy:z:" \
 		"ABC:DEF:GHI:JKLMO:PQ:RS: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_NOWAITIP			(1ULL << 24) /* To force daemonise */
 #define DHCPCD_WAITIP			(1ULL << 25)
 #define DHCPCD_SLAACPRIVATE		(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)
 #define DHCPCD_NOPFXDLG			(1ULL << 51)
 #define DHCPCD_PFXDLGONLY		(1ULL << 52)
 #define DHCPCD_PFXDLGMIX		(1ULL << 53)
 #define DHCPCD_IPV6RA_AUTOCONF		(1ULL << 54)
 #define DHCPCD_ROUTER_HOST_ROUTE_WARNED	(1ULL << 55)
 #define DHCPCD_IPV6RA_ACCEPT_NOPUBLIC	(1ULL << 56)
 #define DHCPCD_BOOTP			(1ULL << 57)
 #define DHCPCD_ARPGW			(1ULL << 58)
 #define DHCPCD_UNICAST_ARP		(1ULL << 59)

 #define DHCPCD_WARNINGS (DHCPCD_CSR_WARNED | \
 		DHCPCD_ROUTER_HOST_ROUTE_WARNED)
 #define DHCPCD_CONF (DHCPCD_NOPFXDLG | DHCPCD_PFXDLGONLY)

 extern const struct option cf_options[];

 /* The number of bytes it takes to hold a flag for each of the 256 options. */
 #define OPTION_MASK_SIZE (256 / NBBY)

 struct if_sla {
 	char ifname[IF_NAMESIZE];
 	uint32_t sla;
 	uint8_t prefix_len;
 	int8_t sla_set;
 };

 struct if_ia {
 	uint8_t iaid[4];
 #ifdef INET6
 	uint16_t ia_type;
 	uint8_t iaid_set;
 	struct in6_addr addr;
 	uint8_t prefix_len;
 	uint32_t sla_max;
 	size_t sla_len;
 	struct if_sla *sla;
 #endif
 };

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

 struct if_options {
 	time_t mtime;
 	uint8_t iaid[4];
 	int metric;
 	uint8_t requestmask[OPTION_MASK_SIZE];
 	uint8_t requiremask[OPTION_MASK_SIZE];
 	uint8_t nomask[OPTION_MASK_SIZE];
 	uint8_t rejectmask[OPTION_MASK_SIZE];
 	uint8_t requestmask6[(UINT16_MAX + 1) / NBBY];
 	uint8_t requiremask6[(UINT16_MAX + 1) / NBBY];
 	uint8_t nomask6[(UINT16_MAX + 1) / NBBY];
 	uint8_t rejectmask6[(UINT16_MAX + 1) / NBBY];
 	uint8_t dstmask[256 / NBBY];
 	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;

 	char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
 	uint8_t fqdn;
 	uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
 	uint8_t 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;

 	struct if_ia *ia;
 	size_t ia_len;

 	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;
 };

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

 #endif
	/*
	* dhcpcd - DHCP client daemon
	* Copyright (c) 2006-2015 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/param.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 "46abc:de:f:gh:i:j:kl:m:no:pqr:s:t:u:v:wxy:z:" \
	"ABC:DEF:GHI:JKLMO:PQ:RS: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_NOWAITIP (1ULL << 24) /* To force daemonise */
	#define DHCPCD_WAITIP (1ULL << 25)
	#define DHCPCD_SLAACPRIVATE (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)
	#define DHCPCD_NOPFXDLG (1ULL << 51)
	#define DHCPCD_PFXDLGONLY (1ULL << 52)
	#define DHCPCD_PFXDLGMIX (1ULL << 53)
	#define DHCPCD_IPV6RA_AUTOCONF (1ULL << 54)
	#define DHCPCD_ROUTER_HOST_ROUTE_WARNED (1ULL << 55)
	#define DHCPCD_IPV6RA_ACCEPT_NOPUBLIC (1ULL << 56)
	#define DHCPCD_BOOTP (1ULL << 57)
	#define DHCPCD_ARPGW (1ULL << 58)
	#define DHCPCD_UNICAST_ARP (1ULL << 59)

	#define DHCPCD_WARNINGS (DHCPCD_CSR_WARNED \| \
	DHCPCD_ROUTER_HOST_ROUTE_WARNED)
	#define DHCPCD_CONF (DHCPCD_NOPFXDLG \| DHCPCD_PFXDLGONLY)

	extern const struct option cf_options[];

	/* The number of bytes it takes to hold a flag for each of the 256 options. */
	#define OPTION_MASK_SIZE (256 / NBBY)

	struct if_sla {
	char ifname[IF_NAMESIZE];
	uint32_t sla;
	uint8_t prefix_len;
	int8_t sla_set;
	};

	struct if_ia {
	uint8_t iaid[4];
	#ifdef INET6
	uint16_t ia_type;
	uint8_t iaid_set;
	struct in6_addr addr;
	uint8_t prefix_len;
	uint32_t sla_max;
	size_t sla_len;
	struct if_sla *sla;
	#endif
	};

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

	struct if_options {
	time_t mtime;
	uint8_t iaid[4];
	int metric;
	uint8_t requestmask[OPTION_MASK_SIZE];
	uint8_t requiremask[OPTION_MASK_SIZE];
	uint8_t nomask[OPTION_MASK_SIZE];
	uint8_t rejectmask[OPTION_MASK_SIZE];
	uint8_t requestmask6[(UINT16_MAX + 1) / NBBY];
	uint8_t requiremask6[(UINT16_MAX + 1) / NBBY];
	uint8_t nomask6[(UINT16_MAX + 1) / NBBY];
	uint8_t rejectmask6[(UINT16_MAX + 1) / NBBY];
	uint8_t dstmask[256 / NBBY];
	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;

	char hostname[HOSTNAME_MAX_LEN + 1]; /* We don't store the length */
	uint8_t fqdn;
	uint8_t vendorclassid[VENDORCLASSID_MAX_LEN + 2];
	uint8_t 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;

	struct if_ia *ia;
	size_t ia_len;

	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;
	};

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

	#endif