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version 1.1.1.1, 2013/07/29 19:37:40	version 1.1.1.4, 2021/03/17 00:56:46
Line 1	Line 1
/* dnsmasq is Copyright (c) 2000-2013 Simon Kelley	/* dnsmasq is Copyright (c) 2000-2021 Simon Kelley

This program is free software; you can redistribute it and/or modify	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	it under the terms of the GNU General Public License as published by
Line 14	Line 14
along with this program. If not, see <http://www.gnu.org/licenses/>.	along with this program. If not, see <http://www.gnu.org/licenses/>.
*/	*/

#define COPYRIGHT "Copyright (c) 2000-2013 Simon Kelley"	#define COPYRIGHT "Copyright (c) 2000-2021 Simon Kelley"

	/* We do defines that influence behavior of stdio.h, so complain
	if included too early. */
	#ifdef _STDIO_H
	# error "Header file stdio.h included too early!"
	#endif

#ifndef NO_LARGEFILE	#ifndef NO_LARGEFILE
/* Ensure we can use files >2GB (log files may grow this big) */	/* Ensure we can use files >2GB (log files may grow this big) */
# define _LARGEFILE_SOURCE 1	# define _LARGEFILE_SOURCE 1
Line 36	Line 42
# define __EXTENSIONS__	# define __EXTENSIONS__
#endif	#endif

	#if (defined(__GNUC__) && __GNUC__ >= 3) \|\| defined(__clang__)
	#define ATTRIBUTE_NORETURN __attribute__ ((noreturn))
	#else
	#define ATTRIBUTE_NORETURN
	#endif

/* get these before config.h for IPv6 stuff... */	/* get these before config.h for IPv6 stuff... */
#include <sys/types.h>	#include <sys/types.h>
#include <sys/socket.h>	#include <sys/socket.h>
Line 50	Line 62
#include <getopt.h>	#include <getopt.h>

#include "config.h"	#include "config.h"
	#include "ip6addr.h"
	#include "metrics.h"

typedef unsigned char u8;	typedef unsigned char u8;
typedef unsigned short u16;	typedef unsigned short u16;
typedef unsigned int u32;	typedef unsigned int u32;
typedef unsigned long long u64;	typedef unsigned long long u64;

	#define countof(x) (long)(sizeof(x) / sizeof(x[0]))
	#define MIN(a,b) ((a) < (b) ? (a) : (b))

#include "dns-protocol.h"	#include "dns-protocol.h"
#include "dhcp-protocol.h"	#include "dhcp-protocol.h"
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
Line 78 typedef unsigned long long u64;	Line 95 typedef unsigned long long u64;
#if defined(HAVE_SOLARIS_NETWORK)	#if defined(HAVE_SOLARIS_NETWORK)
# include <sys/sockio.h>	# include <sys/sockio.h>
#endif	#endif
#include <sys/select.h>	#if defined(HAVE_POLL_H)
	# include <poll.h>
	#else
	# include <sys/poll.h>
	#endif
#include <sys/wait.h>	#include <sys/wait.h>
#include <sys/time.h>	#include <sys/time.h>
#include <sys/un.h>	#include <sys/un.h>
Line 109 typedef unsigned long long u64;	Line 130 typedef unsigned long long u64;
#include <net/if_arp.h>	#include <net/if_arp.h>
#include <netinet/in_systm.h>	#include <netinet/in_systm.h>
#include <netinet/ip.h>	#include <netinet/ip.h>
	#include <netinet/ip6.h>
#include <netinet/ip_icmp.h>	#include <netinet/ip_icmp.h>
	#include <netinet/tcp.h>
#include <sys/uio.h>	#include <sys/uio.h>
#include <syslog.h>	#include <syslog.h>
#include <dirent.h>	#include <dirent.h>
Line 118 typedef unsigned long long u64;	Line 141 typedef unsigned long long u64;
#endif	#endif

#if defined(HAVE_LINUX_NETWORK)	#if defined(HAVE_LINUX_NETWORK)
	#include <linux/version.h>
	#include <linux/sockios.h>
#include <linux/capability.h>	#include <linux/capability.h>
/* There doesn't seem to be a universally-available	/* There doesn't seem to be a universally-available
userpace header for these. */	userspace header for these. */
extern int capset(cap_user_header_t header, cap_user_data_t data);	extern int capset(cap_user_header_t header, cap_user_data_t data);
extern int capget(cap_user_header_t header, cap_user_data_t data);	extern int capget(cap_user_header_t header, cap_user_data_t data);
#define LINUX_CAPABILITY_VERSION_1 0x19980330	#define LINUX_CAPABILITY_VERSION_1 0x19980330
Line 132 extern int capget(cap_user_header_t header, cap_user_d	Line 157 extern int capget(cap_user_header_t header, cap_user_d
#include <priv.h>	#include <priv.h>
#endif	#endif

	/* Backwards compat with 2.83 */
	#if defined(HAVE_NETTLEHASH)
	# define HAVE_CRYPTOHASH
	#endif
	#if defined(HAVE_DNSSEC) \|\| defined(HAVE_CRYPTOHASH)
	# include <nettle/nettle-meta.h>
	#endif

/* daemon is function in the C library.... */	/* daemon is function in the C library.... */
#define daemon dnsmasq_daemon	#define daemon dnsmasq_daemon

	#define ADDRSTRLEN INET6_ADDRSTRLEN

/* Async event queue */	/* Async event queue */
struct event_desc {	struct event_desc {
int event, data, msg_sz;	int event, data, msg_sz;
};	};

#define EVENT_RELOAD 1	#define EVENT_RELOAD 1
#define EVENT_DUMP 2	#define EVENT_DUMP 2
#define EVENT_ALARM 3	#define EVENT_ALARM 3
#define EVENT_TERM 4	#define EVENT_TERM 4
#define EVENT_CHILD 5	#define EVENT_CHILD 5
#define EVENT_REOPEN 6	#define EVENT_REOPEN 6
#define EVENT_EXITED 7	#define EVENT_EXITED 7
#define EVENT_KILLED 8	#define EVENT_KILLED 8
#define EVENT_EXEC_ERR 9	#define EVENT_EXEC_ERR 9
#define EVENT_PIPE_ERR 10	#define EVENT_PIPE_ERR 10
#define EVENT_USER_ERR 11	#define EVENT_USER_ERR 11
#define EVENT_CAP_ERR 12	#define EVENT_CAP_ERR 12
#define EVENT_PIDFILE 13	#define EVENT_PIDFILE 13
#define EVENT_HUSER_ERR 14	#define EVENT_HUSER_ERR 14
#define EVENT_GROUP_ERR 15	#define EVENT_GROUP_ERR 15
#define EVENT_DIE 16	#define EVENT_DIE 16
#define EVENT_LOG_ERR 17	#define EVENT_LOG_ERR 17
#define EVENT_FORK_ERR 18	#define EVENT_FORK_ERR 18
#define EVENT_LUA_ERR 19	#define EVENT_LUA_ERR 19
#define EVENT_TFTP_ERR 20	#define EVENT_TFTP_ERR 20
	#define EVENT_INIT 21
	#define EVENT_NEWADDR 22
	#define EVENT_NEWROUTE 23
	#define EVENT_TIME_ERR 24
	#define EVENT_SCRIPT_LOG 25
	#define EVENT_TIME 26

/* Exit codes. */	/* Exit codes. */
#define EC_GOOD 0	#define EC_GOOD 0
Line 170 struct event_desc {	Line 211 struct event_desc {
#define EC_MISC 5	#define EC_MISC 5
#define EC_INIT_OFFSET 10	#define EC_INIT_OFFSET 10

/* Min buffer size: we check after adding each record, so there must be
memory for the largest packet, and the largest record so the
min for DNS is PACKETSZ+MAXDNAME+RRFIXEDSZ which is < 1000.
This might be increased is EDNS packet size if greater than the minimum.
*/
#define DNSMASQ_PACKETSZ PACKETSZ+MAXDNAME+RRFIXEDSZ

/* Trust the compiler dead-code eliminator.... */
#define option_bool(x) (((x) < 32) ? daemon->options & (1u << (x)) : daemon->options2 & (1u << ((x) - 32)))

#define OPT_BOGUSPRIV 0	#define OPT_BOGUSPRIV 0
#define OPT_FILTER 1	#define OPT_FILTER 1
#define OPT_LOG 2	#define OPT_LOG 2
Line 209 struct event_desc {	Line 240 struct event_desc {
#define OPT_TFTP_SECURE 26	#define OPT_TFTP_SECURE 26
#define OPT_TFTP_NOBLOCK 27	#define OPT_TFTP_NOBLOCK 27
#define OPT_LOG_OPTS 28	#define OPT_LOG_OPTS 28
#define OPT_TFTP_APREF 29	#define OPT_TFTP_APREF_IP 29
#define OPT_NO_OVERRIDE 30	#define OPT_NO_OVERRIDE 30
#define OPT_NO_REBIND 31	#define OPT_NO_REBIND 31
#define OPT_ADD_MAC 32	#define OPT_ADD_MAC 32
#define OPT_DNSSEC 33	#define OPT_DNSSEC_PROXY 33
#define OPT_CONSEC_ADDR 34	#define OPT_CONSEC_ADDR 34
#define OPT_CONNTRACK 35	#define OPT_CONNTRACK 35
#define OPT_FQDN_UPDATE 36	#define OPT_FQDN_UPDATE 36
Line 221 struct event_desc {	Line 252 struct event_desc {
#define OPT_TFTP_LC 38	#define OPT_TFTP_LC 38
#define OPT_CLEVERBIND 39	#define OPT_CLEVERBIND 39
#define OPT_TFTP 40	#define OPT_TFTP 40
#define OPT_LAST 41	#define OPT_CLIENT_SUBNET 41
	#define OPT_QUIET_DHCP 42
	#define OPT_QUIET_DHCP6 43
	#define OPT_QUIET_RA 44
	#define OPT_DNSSEC_VALID 45
	#define OPT_DNSSEC_TIME 46
	#define OPT_DNSSEC_DEBUG 47
	#define OPT_DNSSEC_IGN_NS 48
	#define OPT_LOCAL_SERVICE 49
	#define OPT_LOOP_DETECT 50
	#define OPT_EXTRALOG 51
	#define OPT_TFTP_NO_FAIL 52
	#define OPT_SCRIPT_ARP 53
	#define OPT_MAC_B64 54
	#define OPT_MAC_HEX 55
	#define OPT_TFTP_APREF_MAC 56
	#define OPT_RAPID_COMMIT 57
	#define OPT_UBUS 58
	#define OPT_IGNORE_CLID 59
	#define OPT_SINGLE_PORT 60
	#define OPT_LEASE_RENEW 61
	#define OPT_LAST 62

	#define OPTION_BITS (sizeof(unsigned int)*8)
	#define OPTION_SIZE ( (OPT_LAST/OPTION_BITS)+((OPT_LAST%OPTION_BITS)!=0) )
	#define option_var(x) (daemon->options[(x) / OPTION_BITS])
	#define option_val(x) ((1u) << ((x) % OPTION_BITS))
	#define option_bool(x) (option_var(x) & option_val(x))

/* extra flags for my_syslog, we use a couple of facilities since they are known	/* extra flags for my_syslog, we use a couple of facilities since they are known
not to occupy the same bits as priorities, no matter how syslog.h is set up. */	not to occupy the same bits as priorities, no matter how syslog.h is set up. */
#define MS_TFTP LOG_USER	#define MS_TFTP LOG_USER
#define MS_DHCP LOG_DAEMON	#define MS_DHCP LOG_DAEMON
	#define MS_SCRIPT LOG_MAIL

struct all_addr {	/* Note that this is used widely as a container for IPv4/IPv6 addresses,
union {	so for that reason, was well as to avoid wasting memory in almost every
struct in_addr addr4;	cache entry, the other variants should not be larger than
#ifdef HAVE_IPV6	sizeof(struct in6_addr) - 16 bytes.
struct in6_addr addr6;	*/
#endif	union all_addr {
} addr;	struct in_addr addr4;
	struct in6_addr addr6;
	struct {
	union {
	struct crec *cache;
	char *name;
	} target;
	unsigned int uid;
	int is_name_ptr; /* disciminates target union */
	} cname;
	struct {
	struct blockdata *keydata;
	unsigned short keylen, flags, keytag;
	unsigned char algo;
	} key;
	struct {
	struct blockdata *keydata;
	unsigned short keylen, keytag;
	unsigned char algo;
	unsigned char digest;
	} ds;
	struct {
	struct blockdata *target;
	unsigned short targetlen, srvport, priority, weight;
	} srv;
	/* for log_query */
	struct {
	unsigned short keytag, algo, digest, rcode;
	} log;
};	};


struct bogus_addr {	struct bogus_addr {
struct in_addr addr;	struct in_addr addr;
struct bogus_addr *next;	struct bogus_addr *next;
Line 261 struct naptr {	Line 349 struct naptr {
struct naptr *next;	struct naptr *next;
};	};

	#ifndef NO_ID
	#define TXT_STAT_CACHESIZE 1
	#define TXT_STAT_INSERTS 2
	#define TXT_STAT_EVICTIONS 3
	#define TXT_STAT_MISSES 4
	#define TXT_STAT_HITS 5
	#define TXT_STAT_AUTH 6
	#define TXT_STAT_SERVERS 7
	#endif

struct txt_record {	struct txt_record {
char *name;	char *name;
unsigned char *txt;	unsigned char *txt;
unsigned short class, len;	unsigned short class, len;
	int stat;
struct txt_record *next;	struct txt_record *next;
};	};

Line 274 struct ptr_record {	Line 373 struct ptr_record {
};	};

struct cname {	struct cname {
	int ttl, flag;
char alias, target;	char alias, target;
struct cname *next;	struct cname next, targetp;
	};

	struct ds_config {
	char name, digest;
	int digestlen, class, algo, keytag, digest_type;
	struct ds_config *next;
};	};

	#define ADDRLIST_LITERAL 1
	#define ADDRLIST_IPV6 2
	#define ADDRLIST_REVONLY 4
	#define ADDRLIST_PREFIX 8
	#define ADDRLIST_WILDCARD 16
	#define ADDRLIST_DECLINED 32

	struct addrlist {
	union all_addr addr;
	int flags, prefixlen;
	time_t decline_time;
	struct addrlist *next;
	};

	#define AUTH6 1
	#define AUTH4 2

struct auth_zone {	struct auth_zone {
char *domain;	char *domain;
struct subnet {	struct auth_name_list {
int is6, prefixlen;	char *name;
struct in_addr addr4;	int flags;
#ifdef HAVE_IPV6	struct auth_name_list *next;
struct in6_addr addr6;	} *interface_names;
#endif	struct addrlist *subnet;
struct subnet *next;	struct addrlist *exclude;
} *subnet;
struct auth_zone *next;	struct auth_zone *next;
};	};

	#define HR_6 1
	#define HR_4 2

struct host_record {	struct host_record {
	int ttl, flags;
struct name_list {	struct name_list {
char *name;	char *name;
struct name_list *next;	struct name_list *next;
} *names;	} *names;
struct in_addr addr;	struct in_addr addr;
#ifdef HAVE_IPV6
struct in6_addr addr6;	struct in6_addr addr6;
#endif
struct host_record *next;	struct host_record *next;
};	};

struct interface_name {	struct interface_name {
char name; / domain name */	char name; / domain name */
char intr; / interface name */	char intr; / interface name */
	int family; /* AF_INET, AF_INET6 or zero for both */
	struct addrlist *addr;
struct interface_name *next;	struct interface_name *next;
};	};

Line 315 union bigname {	Line 440 union bigname {
union bigname next; / freelist */	union bigname next; / freelist */
};	};

struct keydata {	struct blockdata {
struct keydata *next;	struct blockdata *next;
unsigned char key[KEYBLOCK_LEN];	unsigned char key[KEYBLOCK_LEN];
};	};

struct crec {	struct crec {
struct crec next, prev, *hash_next;	struct crec next, prev, *hash_next;
/* union is 16 bytes when doing IPv6, 8 bytes on 32 bit machines without IPv6 */	union all_addr addr;
union {
struct all_addr addr;
struct {
struct crec *cache;
int uid;
} cname;
struct {
struct keydata *keydata;
unsigned char algo;
unsigned char digest; /* DS only */
unsigned short flags_or_keyid; /* flags for DNSKEY, keyid for DS */
} key;
} addr;
time_t ttd; /* time to die */	time_t ttd; /* time to die */
/* used as keylen if F_DS or F_DNSKEY, index to source for F_HOSTS */	/* used as class if DNSKEY/DS, index to source for F_HOSTS */
int uid;	unsigned int uid;
unsigned short flags;	unsigned int flags;
union {	union {
char sname[SMALLDNAME];	char sname[SMALLDNAME];
union bigname *bname;	union bigname *bname;
Line 347 struct crec {	Line 459 struct crec {
} name;	} name;
};	};

	#define SIZEOF_BARE_CREC (sizeof(struct crec) - SMALLDNAME)
	#define SIZEOF_POINTER_CREC (sizeof(struct crec) + sizeof(char *) - SMALLDNAME)

#define F_IMMORTAL (1u<<0)	#define F_IMMORTAL (1u<<0)
#define F_NAMEP (1u<<1)	#define F_NAMEP (1u<<1)
#define F_REVERSE (1u<<2)	#define F_REVERSE (1u<<2)
Line 363 struct crec {	Line 478 struct crec {
#define F_CONFIG (1u<<13)	#define F_CONFIG (1u<<13)
#define F_DS (1u<<14)	#define F_DS (1u<<14)
#define F_DNSSECOK (1u<<15)	#define F_DNSSECOK (1u<<15)

/* below here are only valid as args to log_query: cache
entries are limited to 16 bits */
#define F_UPSTREAM (1u<<16)	#define F_UPSTREAM (1u<<16)
#define F_RRNAME (1u<<17)	#define F_RRNAME (1u<<17)
#define F_SERVER (1u<<18)	#define F_SERVER (1u<<18)
#define F_QUERY (1u<<19)	#define F_QUERY (1u<<19)
#define F_NOERR (1u<<20)	#define F_NOERR (1u<<20)
#define F_AUTH (1u<<21)	#define F_AUTH (1u<<21)
	#define F_DNSSEC (1u<<22)
	#define F_KEYTAG (1u<<23)
	#define F_SECSTAT (1u<<24)
	#define F_NO_RR (1u<<25)
	#define F_IPSET (1u<<26)
	#define F_NOEXTRA (1u<<27)
	#define F_SERVFAIL (1u<<28) /* currently unused. */
	#define F_RCODE (1u<<29)
	#define F_SRV (1u<<30)

/* composites */	#define UID_NONE 0
#define F_TYPE (F_IPV4 \| F_IPV6 \| F_DNSKEY \| F_DS) /* Only one may be set */	/* Values of uid in crecs with F_CONFIG bit set. */
	#define SRC_CONFIG 1
	#define SRC_HOSTS 2
	#define SRC_AH 3



/* struct sockaddr is not large enough to hold any address,	/* struct sockaddr is not large enough to hold any address,
and specifically not big enough to hold an IPv6 address.	and specifically not big enough to hold an IPv6 address.
Blech. Roll our own. */	Blech. Roll our own. */
union mysockaddr {	union mysockaddr {
struct sockaddr sa;	struct sockaddr sa;
struct sockaddr_in in;	struct sockaddr_in in;
#if defined(HAVE_IPV6)
struct sockaddr_in6 in6;	struct sockaddr_in6 in6;
#endif
};	};

/* bits in flag param to IPv6 callbacks from iface_enumerate() */	/* bits in flag param to IPv6 callbacks from iface_enumerate() */
#define IFACE_TENTATIVE 1	#define IFACE_TENTATIVE 1
#define IFACE_DEPRECATED 2	#define IFACE_DEPRECATED 2
	#define IFACE_PERMANENT 4


#define SERV_FROM_RESOLV 1 /* 1 for servers from resolv, 0 for command line. */	#define SERV_FROM_RESOLV 1 /* 1 for servers from resolv, 0 for command line. */
Line 407 union mysockaddr {	Line 529 union mysockaddr {
#define SERV_COUNTED 512 /* workspace for log code */	#define SERV_COUNTED 512 /* workspace for log code */
#define SERV_USE_RESOLV 1024 /* forward this domain in the normal way */	#define SERV_USE_RESOLV 1024 /* forward this domain in the normal way */
#define SERV_NO_REBIND 2048 /* inhibit dns-rebind protection */	#define SERV_NO_REBIND 2048 /* inhibit dns-rebind protection */
	#define SERV_FROM_FILE 4096 /* read from --servers-file */
	#define SERV_LOOP 8192 /* server causes forwarding loop */
	#define SERV_DO_DNSSEC 16384 /* Validate DNSSEC when using this server */
	#define SERV_GOT_TCP 32768 /* Got some data from the TCP connection */

struct serverfd {	struct serverfd {
int fd;	int fd;
union mysockaddr source_addr;	union mysockaddr source_addr;
char interface[IF_NAMESIZE+1];	char interface[IF_NAMESIZE+1];
	unsigned int ifindex, used, preallocated;
struct serverfd *next;	struct serverfd *next;
};	};

Line 425 struct server {	Line 552 struct server {
char interface[IF_NAMESIZE+1];	char interface[IF_NAMESIZE+1];
struct serverfd *sfd;	struct serverfd *sfd;
char domain; / set if this server only handles a domain. */	char domain; / set if this server only handles a domain. */
int flags, tcpfd;	int flags, tcpfd, edns_pktsz;
	time_t pktsz_reduced;
unsigned int queries, failed_queries;	unsigned int queries, failed_queries;
	#ifdef HAVE_LOOP
	u32 uid;
	#endif
struct server *next;	struct server *next;
};	};

Line 439 struct ipsets {	Line 570 struct ipsets {
struct irec {	struct irec {
union mysockaddr addr;	union mysockaddr addr;
struct in_addr netmask; /* only valid for IPv4 */	struct in_addr netmask; /* only valid for IPv4 */
int tftp_ok, dhcp_ok, mtu, done, dad, dns_auth, index, multicast_done;	int tftp_ok, dhcp_ok, mtu, done, warned, dad, dns_auth, index, multicast_done, found, label;
char *name;	char *name;
struct irec *next;	struct irec *next;
};	};

struct listener {	struct listener {
int fd, tcpfd, tftpfd, family;	int fd, tcpfd, tftpfd, used;
	union mysockaddr addr;
struct irec iface; / only sometimes valid for non-wildcard */	struct irec iface; / only sometimes valid for non-wildcard */
struct listener *next;	struct listener *next;
};	};
Line 458 struct iname {	Line 590 struct iname {
struct iname *next;	struct iname *next;
};	};

	/* subnet parameters from command line */
	struct mysubnet {
	union mysockaddr addr;
	int addr_used;
	int mask;
	};

/* resolv-file parms from command-line */	/* resolv-file parms from command-line */
struct resolvc {	struct resolvc {
struct resolvc *next;	struct resolvc *next;
int is_default, logged;	int is_default, logged;
time_t mtime;	time_t mtime;
char *name;	char *name;
	#ifdef HAVE_INOTIFY
	int wd; /* inotify watch descriptor */
	char file; / pointer to file part if path */
	#endif
};	};

/* adn-hosts parms from command-line (also dhcp-hostsfile and dhcp-optsfile */	/* adn-hosts parms from command-line (also dhcp-hostsfile and dhcp-optsfile and dhcp-hostsdir*/
#define AH_DIR 1	#define AH_DIR 1
#define AH_INACTIVE 2	#define AH_INACTIVE 2
	#define AH_WD_DONE 4
	#define AH_HOSTS 8
	#define AH_DHCP_HST 16
	#define AH_DHCP_OPT 32
struct hostsfile {	struct hostsfile {
struct hostsfile *next;	struct hostsfile *next;
int flags;	int flags;
char *fname;	char *fname;
int index; /* matches to cache entries for logging */	#ifdef HAVE_INOTIFY
	int wd; /* inotify watch descriptor */
	#endif
	unsigned int index; /* matches to cache entries for logging */
};	};

	/* packet-dump flags */
	#define DUMP_QUERY 0x0001
	#define DUMP_REPLY 0x0002
	#define DUMP_UP_QUERY 0x0004
	#define DUMP_UP_REPLY 0x0008
	#define DUMP_SEC_QUERY 0x0010
	#define DUMP_SEC_REPLY 0x0020
	#define DUMP_BOGUS 0x0040
	#define DUMP_SEC_BOGUS 0x0080


	/* DNSSEC status values. */
	#define STAT_SECURE 1
	#define STAT_INSECURE 2
	#define STAT_BOGUS 3
	#define STAT_NEED_DS 4
	#define STAT_NEED_KEY 5
	#define STAT_TRUNCATED 6
	#define STAT_SECURE_WILDCARD 7
	#define STAT_OK 8
	#define STAT_ABANDONED 9

#define FREC_NOREBIND 1	#define FREC_NOREBIND 1
#define FREC_CHECKING_DISABLED 2	#define FREC_CHECKING_DISABLED 2
	#define FREC_HAS_SUBNET 4
	#define FREC_DNSKEY_QUERY 8
	#define FREC_DS_QUERY 16
	#define FREC_AD_QUESTION 32
	#define FREC_DO_QUESTION 64
	#define FREC_ADDED_PHEADER 128
	#define FREC_TEST_PKTSZ 256
	#define FREC_HAS_EXTRADATA 512
	#define FREC_HAS_PHEADER 1024
	#define FREC_NO_CACHE 2048

	#define HASH_SIZE 32 /* SHA-256 digest size */

struct frec {	struct frec {
union mysockaddr source;	struct frec_src {
struct all_addr dest;	union mysockaddr source;
	union all_addr dest;
	unsigned int iface, log_id;
	int fd;
	unsigned short orig_id;
	struct frec_src *next;
	} frec_src;
struct server sentto; / NULL means free */	struct server sentto; / NULL means free */
struct randfd *rfd4;	struct randfd *rfd4;
#ifdef HAVE_IPV6
struct randfd *rfd6;	struct randfd *rfd6;
#endif	unsigned short new_id;
unsigned int iface;	int forwardall, flags;
unsigned short orig_id, new_id;
int fd, forwardall, flags;
unsigned int crc;
time_t time;	time_t time;
	unsigned char *hash[HASH_SIZE];
	#ifdef HAVE_DNSSEC
	int class, work_counter;
	struct blockdata stash; / Saved reply, whilst we validate */
	size_t stash_len;
	struct frec dependent; / Query awaiting internally-generated DNSKEY or DS query */
	struct frec blocking_query; / Query which is blocking us. */
	#endif
struct frec *next;	struct frec *next;
};	};

Line 510 struct frec {	Line 704 struct frec {
#define ACTION_OLD 3	#define ACTION_OLD 3
#define ACTION_ADD 4	#define ACTION_ADD 4
#define ACTION_TFTP 5	#define ACTION_TFTP 5
	#define ACTION_ARP 6
	#define ACTION_ARP_DEL 7

#define LEASE_NEW 1 /* newly created */	#define LEASE_NEW 1 /* newly created */
#define LEASE_CHANGED 2 /* modified */	#define LEASE_CHANGED 2 /* modified */
Line 519 struct frec {	Line 715 struct frec {
#define LEASE_NA 32 /* IPv6 no-temporary lease */	#define LEASE_NA 32 /* IPv6 no-temporary lease */
#define LEASE_TA 64 /* IPv6 temporary lease */	#define LEASE_TA 64 /* IPv6 temporary lease */
#define LEASE_HAVE_HWADDR 128 /* Have set hwaddress */	#define LEASE_HAVE_HWADDR 128 /* Have set hwaddress */
	#define LEASE_EXP_CHANGED 256 /* Lease expiry time changed */

struct dhcp_lease {	struct dhcp_lease {
int clid_len; /* length of client identifier */	int clid_len; /* length of client identifier */
Line 530 struct dhcp_lease {	Line 727 struct dhcp_lease {
#ifdef HAVE_BROKEN_RTC	#ifdef HAVE_BROKEN_RTC
unsigned int length;	unsigned int length;
#endif	#endif
int hwaddr_len, hwaddr_type; /* hw_type used for iaid in v6 */	int hwaddr_len, hwaddr_type;
unsigned char hwaddr[DHCP_CHADDR_MAX]; /* also IPv6 address */	unsigned char hwaddr[DHCP_CHADDR_MAX];
struct in_addr addr, override, giaddr;	struct in_addr addr, override, giaddr;
unsigned char *extradata;	unsigned char *extradata;
unsigned int extradata_len, extradata_size;	unsigned int extradata_len, extradata_size;
int last_interface;	int last_interface;
	int new_interface; /* save possible originated interface */
	int new_prefixlen; /* and its prefix length */
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
	struct in6_addr addr6;
	unsigned int iaid;
struct slaac_address {	struct slaac_address {
struct in6_addr addr, local;	struct in6_addr addr;
time_t ping_time;	time_t ping_time;
int backoff; /* zero -> confirmed */	int backoff; /* zero -> confirmed */
struct slaac_address *next;	struct slaac_address *next;
Line 564 struct tag_if {	Line 765 struct tag_if {
struct tag_if *next;	struct tag_if *next;
};	};

	struct delay_config {
	int delay;
	struct dhcp_netid *netid;
	struct delay_config *next;
	};

struct hwaddr_config {	struct hwaddr_config {
int hwaddr_len, hwaddr_type;	int hwaddr_len, hwaddr_type;
unsigned char hwaddr[DHCP_CHADDR_MAX];	unsigned char hwaddr[DHCP_CHADDR_MAX];
Line 577 struct dhcp_config {	Line 784 struct dhcp_config {
unsigned char clid; / clientid */	unsigned char clid; / clientid */
char hostname, domain;	char hostname, domain;
struct dhcp_netid_list *netid;	struct dhcp_netid_list *netid;
	struct dhcp_netid *filter;
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
struct in6_addr addr6;	struct addrlist *addr6;
#endif	#endif
struct in_addr addr;	struct in_addr addr;
time_t decline_time;	time_t decline_time;
Line 600 struct dhcp_config {	Line 808 struct dhcp_config {
#define CONFIG_DECLINED 1024 /* address declined by client */	#define CONFIG_DECLINED 1024 /* address declined by client */
#define CONFIG_BANK 2048 /* from dhcp hosts file */	#define CONFIG_BANK 2048 /* from dhcp hosts file */
#define CONFIG_ADDR6 4096	#define CONFIG_ADDR6 4096
#define CONFIG_WILDCARD 8192	#define CONFIG_ADDR6_HOSTS 16384 /* address added by from /etc/hosts */

struct dhcp_opt {	struct dhcp_opt {
int opt, len, flags;	int opt, len, flags;
Line 628 struct dhcp_opt {	Line 836 struct dhcp_opt {
#define DHOPT_RFC3925 2048	#define DHOPT_RFC3925 2048
#define DHOPT_TAGOK 4096	#define DHOPT_TAGOK 4096
#define DHOPT_ADDR6 8192	#define DHOPT_ADDR6 8192
	#define DHOPT_VENDOR_PXE 16384

struct dhcp_boot {	struct dhcp_boot {
char file, sname, *tftp_sname;	char file, sname, *tftp_sname;
Line 636 struct dhcp_boot {	Line 845 struct dhcp_boot {
struct dhcp_boot *next;	struct dhcp_boot *next;
};	};

	struct dhcp_match_name {
	char *name;
	int wildcard;
	struct dhcp_netid *netid;
	struct dhcp_match_name *next;
	};

struct pxe_service {	struct pxe_service {
unsigned short CSA, type;	unsigned short CSA, type;
char menu, basename, *sname;	char menu, basename, *sname;
Line 644 struct pxe_service {	Line 860 struct pxe_service {
struct pxe_service *next;	struct pxe_service *next;
};	};

	#define DHCP_PXE_DEF_VENDOR "PXEClient"

#define MATCH_VENDOR 1	#define MATCH_VENDOR 1
#define MATCH_USER 2	#define MATCH_USER 2
#define MATCH_CIRCUIT 3	#define MATCH_CIRCUIT 3
#define MATCH_REMOTE 4	#define MATCH_REMOTE 4
#define MATCH_SUBSCRIBER 5	#define MATCH_SUBSCRIBER 5

/* vendorclass, userclass, remote-id or cicuit-id */	/* vendorclass, userclass, remote-id or circuit-id */
struct dhcp_vendor {	struct dhcp_vendor {
int len, match_type;	int len, match_type;
unsigned int enterprise;	unsigned int enterprise;
Line 659 struct dhcp_vendor {	Line 877 struct dhcp_vendor {
struct dhcp_vendor *next;	struct dhcp_vendor *next;
};	};

	struct dhcp_pxe_vendor {
	char *data;
	struct dhcp_pxe_vendor *next;
	};

struct dhcp_mac {	struct dhcp_mac {
unsigned int mask;	unsigned int mask;
int hwaddr_len, hwaddr_type;	int hwaddr_len, hwaddr_type;
Line 673 struct dhcp_bridge {	Line 896 struct dhcp_bridge {
};	};

struct cond_domain {	struct cond_domain {
char *domain;	char domain, prefix;
struct in_addr start, end;	struct in_addr start, end;
#ifdef HAVE_IPV6
struct in6_addr start6, end6;	struct in6_addr start6, end6;
#endif	int is6, indexed;
int is6;
struct cond_domain *next;	struct cond_domain *next;
};	};

#ifdef OPTION6_PREFIX_CLASS	struct ra_interface {
struct prefix_class {	char *name;
int class;	char *mtu_name;
struct dhcp_netid tag;	int interval, lifetime, prio, mtu;
struct prefix_class *next;	struct ra_interface *next;
};	};
#endif

struct dhcp_context {	struct dhcp_context {
unsigned int lease_time, addr_epoch;	unsigned int lease_time, addr_epoch;
Line 699 struct dhcp_context {	Line 919 struct dhcp_context {
struct in6_addr start6, end6; /* range of available addresses */	struct in6_addr start6, end6; /* range of available addresses */
struct in6_addr local6;	struct in6_addr local6;
int prefix, if_index;	int prefix, if_index;
unsigned int valid, preferred;	unsigned int valid, preferred, saved_valid;
time_t ra_time, ra_short_period_start;	time_t ra_time, ra_short_period_start, address_lost_time;
char *template_interface;	char *template_interface;
#endif	#endif
int flags;	int flags;
Line 708 struct dhcp_context {	Line 928 struct dhcp_context {
struct dhcp_context next, current;	struct dhcp_context next, current;
};	};

#define CONTEXT_STATIC 1	struct shared_network {
#define CONTEXT_NETMASK 2	int if_index;
#define CONTEXT_BRDCAST 4	struct in_addr match_addr, shared_addr;
#define CONTEXT_PROXY 8	#ifdef HAVE_DHCP6
#define CONTEXT_RA_ONLY 16	/* shared_addr == 0 for IP6 entries. */
#define CONTEXT_RA_DONE 32	struct in6_addr match_addr6, shared_addr6;
#define CONTEXT_RA_NAME 64	#endif
#define CONTEXT_RA_STATELESS 128	struct shared_network *next;
#define CONTEXT_DHCP 256	};
#define CONTEXT_DEPRECATE 512
#define CONTEXT_TEMPLATE 1024 /* create contexts using addresses */
#define CONTEXT_CONSTRUCTED 2048
#define CONTEXT_GC 4096
#define CONTEXT_RA 8192
#define CONTEXT_CONF_USED 16384
#define CONTEXT_USED 32768

	#define CONTEXT_STATIC (1u<<0)
	#define CONTEXT_NETMASK (1u<<1)
	#define CONTEXT_BRDCAST (1u<<2)
	#define CONTEXT_PROXY (1u<<3)
	#define CONTEXT_RA_ROUTER (1u<<4)
	#define CONTEXT_RA_DONE (1u<<5)
	#define CONTEXT_RA_NAME (1u<<6)
	#define CONTEXT_RA_STATELESS (1u<<7)
	#define CONTEXT_DHCP (1u<<8)
	#define CONTEXT_DEPRECATE (1u<<9)
	#define CONTEXT_TEMPLATE (1u<<10) /* create contexts using addresses */
	#define CONTEXT_CONSTRUCTED (1u<<11)
	#define CONTEXT_GC (1u<<12)
	#define CONTEXT_RA (1u<<13)
	#define CONTEXT_CONF_USED (1u<<14)
	#define CONTEXT_USED (1u<<15)
	#define CONTEXT_OLD (1u<<16)
	#define CONTEXT_V6 (1u<<17)
	#define CONTEXT_RA_OFF_LINK (1u<<18)
	#define CONTEXT_SETLEASE (1u<<19)

struct ping_result {	struct ping_result {
struct in_addr addr;	struct in_addr addr;
time_t time;	time_t time;
Line 747 struct tftp_transfer {	Line 981 struct tftp_transfer {
unsigned int block, blocksize, expansion;	unsigned int block, blocksize, expansion;
off_t offset;	off_t offset;
union mysockaddr peer;	union mysockaddr peer;
	union all_addr source;
	int if_index;
char opt_blocksize, opt_transize, netascii, carrylf;	char opt_blocksize, opt_transize, netascii, carrylf;
struct tftp_file *file;	struct tftp_file *file;
struct tftp_transfer *next;	struct tftp_transfer *next;
Line 760 struct addr_list {	Line 996 struct addr_list {
struct tftp_prefix {	struct tftp_prefix {
char *interface;	char *interface;
char *prefix;	char *prefix;
	int missing;
struct tftp_prefix *next;	struct tftp_prefix *next;
};	};

	struct dhcp_relay {
	union all_addr local, server;
	char interface; / Allowable interface for replies from server, and dest for IPv6 multicast */
	int iface_index; /* working - interface in which requests arrived, for return */
	struct dhcp_relay current, next;
	};

extern struct daemon {	extern struct daemon {
/* datastuctures representing the command-line and	/* datastuctures representing the command-line and
config file arguments. All set (including defaults)	config file arguments. All set (including defaults)
in option.c */	in option.c */

unsigned int options, options2;	unsigned int options[OPTION_SIZE];
struct resolvc default_resolv, *resolv_files;	struct resolvc default_resolv, *resolv_files;
time_t last_resolv;	time_t last_resolv;
	char *servers_file;
struct mx_srv_record *mxnames;	struct mx_srv_record *mxnames;
struct naptr *naptr;	struct naptr *naptr;
struct txt_record txt, rr;	struct txt_record txt, rr;
Line 781 extern struct daemon {	Line 1025 extern struct daemon {
struct auth_zone *auth_zones;	struct auth_zone *auth_zones;
struct interface_name *int_names;	struct interface_name *int_names;
char *mxtarget;	char *mxtarget;
char *lease_file;	struct mysubnet *add_subnet4;
	struct mysubnet *add_subnet6;
	char *lease_file;
char username, groupname, *scriptuser;	char username, groupname, *scriptuser;
char *luascript;	char *luascript;
char authserver, hostmaster;	char authserver, hostmaster;
Line 789 extern struct daemon {	Line 1035 extern struct daemon {
struct name_list *secondary_forward_server;	struct name_list *secondary_forward_server;
int group_set, osport;	int group_set, osport;
char *domain_suffix;	char *domain_suffix;
struct cond_domain *cond_domain;	struct cond_domain cond_domain, synth_domains;
char *runfile;	char *runfile;
char *lease_change_command;	char *lease_change_command;
struct iname if_names, if_addrs, if_except, dhcp_except, *auth_peers;	struct iname if_names, if_addrs, if_except, dhcp_except, auth_peers, tftp_interfaces;
struct bogus_addr *bogus_addr;	struct bogus_addr bogus_addr, ignore_addr;
struct server *servers;	struct server *servers;
struct ipsets *ipsets;	struct ipsets *ipsets;
int log_fac; /* log facility */	int log_fac; /* log facility */
char log_file; / optional log file */	char log_file; / optional log file */
int max_logs; /* queue limit */	int max_logs; /* queue limit */
int cachesize, ftabsize;	int cachesize, ftabsize;
int port, query_port, min_port;	int port, query_port, min_port, max_port;
unsigned long local_ttl, neg_ttl, max_ttl, max_cache_ttl, auth_ttl;	unsigned long local_ttl, neg_ttl, max_ttl, min_cache_ttl, max_cache_ttl, auth_ttl, dhcp_ttl, use_dhcp_ttl;
	char *dns_client_id;
struct hostsfile *addn_hosts;	struct hostsfile *addn_hosts;
struct dhcp_context dhcp, dhcp6;	struct dhcp_context dhcp, dhcp6;
	struct ra_interface *ra_interfaces;
struct dhcp_config *dhcp_conf;	struct dhcp_config *dhcp_conf;
struct dhcp_opt dhcp_opts, dhcp_match, dhcp_opts6, dhcp_match6;	struct dhcp_opt dhcp_opts, dhcp_match, dhcp_opts6, dhcp_match6;
	struct dhcp_match_name *dhcp_name_match;
	struct dhcp_pxe_vendor *dhcp_pxe_vendors;
struct dhcp_vendor *dhcp_vendors;	struct dhcp_vendor *dhcp_vendors;
struct dhcp_mac *dhcp_macs;	struct dhcp_mac *dhcp_macs;
struct dhcp_boot *boot_config;	struct dhcp_boot *boot_config;
struct pxe_service *pxe_services;	struct pxe_service *pxe_services;
struct tag_if *tag_if;	struct tag_if *tag_if;
struct addr_list *override_relays;	struct addr_list *override_relays;
	struct dhcp_relay relay4, relay6;
	struct delay_config *delay_conf;
int override;	int override;
int enable_pxe;	int enable_pxe;
int doing_ra, doing_dhcp6;	int doing_ra, doing_dhcp6;
struct dhcp_netid_list dhcp_ignore, dhcp_ignore_names, *dhcp_gen_names;	struct dhcp_netid_list dhcp_ignore, dhcp_ignore_names, *dhcp_gen_names;
struct dhcp_netid_list force_broadcast, bootp_dynamic;	struct dhcp_netid_list force_broadcast, bootp_dynamic;
struct hostsfile dhcp_hosts_file, dhcp_opts_file;	struct hostsfile dhcp_hosts_file, dhcp_opts_file, *dynamic_dirs;
int dhcp_max, tftp_max;	int dhcp_max, tftp_max, tftp_mtu;
int dhcp_server_port, dhcp_client_port;	int dhcp_server_port, dhcp_client_port;
int start_tftp_port, end_tftp_port;	int start_tftp_port, end_tftp_port;
unsigned int min_leasetime;	unsigned int min_leasetime;
Line 829 extern struct daemon {	Line 1081 extern struct daemon {
unsigned int duid_enterprise, duid_config_len;	unsigned int duid_enterprise, duid_config_len;
unsigned char *duid_config;	unsigned char *duid_config;
char *dbus_name;	char *dbus_name;
	char *ubus_name;
	char *dump_file;
	int dump_mask;
unsigned long soa_sn, soa_refresh, soa_retry, soa_expiry;	unsigned long soa_sn, soa_refresh, soa_retry, soa_expiry;
#ifdef OPTION6_PREFIX_CLASS	u32 metrics[__METRIC_MAX];
struct prefix_class *prefix_classes;	#ifdef HAVE_DNSSEC
	struct ds_config *ds;
	char *timestamp_file;
#endif	#endif

/* globally used stuff for DNS */	/* globally used stuff for DNS */
char packet; / packet buffer */	char packet; / packet buffer */
int packet_buff_sz; /* size of above */	int packet_buff_sz; /* size of above */
char namebuff; / MAXDNAME size buffer */	char namebuff; / MAXDNAME size buffer */
unsigned int local_answer, queries_forwarded;	#ifdef HAVE_DNSSEC
	char keyname; / MAXDNAME size buffer */
	char workspacename; / ditto */
	unsigned long rr_status; / ceiling in TTL from DNSSEC or zero for insecure */
	int rr_status_sz;
	int dnssec_no_time_check;
	int back_to_the_future;
	#endif
struct frec *frec_list;	struct frec *frec_list;
	struct frec_src *free_frec_src;
	int frec_src_count;
struct serverfd *sfds;	struct serverfd *sfds;
struct irec *interfaces;	struct irec *interfaces;
struct listener *listeners;	struct listener *listeners;
Line 850 extern struct daemon {	Line 1116 extern struct daemon {
size_t packet_len; /* " " */	size_t packet_len; /* " " */
struct randfd rfd_save; / " " */	struct randfd rfd_save; / " " */
pid_t tcp_pids[MAX_PROCS];	pid_t tcp_pids[MAX_PROCS];
	int tcp_pipes[MAX_PROCS];
	int pipe_to_parent;
struct randfd randomsocks[RANDOM_SOCKS];	struct randfd randomsocks[RANDOM_SOCKS];
int v6pktinfo;	int v6pktinfo;
	struct addrlist interface_addrs; / list of all addresses/prefix lengths associated with all local interfaces */
	int log_id, log_display_id; /* ids of transactions for logging */
	union mysockaddr *log_source_addr;

/* DHCP state */	/* DHCP state */
int dhcpfd, helperfd, pxefd;	int dhcpfd, helperfd, pxefd;
	#ifdef HAVE_INOTIFY
	int inotifyfd;
	#endif
#if defined(HAVE_LINUX_NETWORK)	#if defined(HAVE_LINUX_NETWORK)
int netlinkfd;	int netlinkfd, kernel_version;
#elif defined(HAVE_BSD_NETWORK)	#elif defined(HAVE_BSD_NETWORK)
int dhcp_raw_fd, dhcp_icmp_fd;	int dhcp_raw_fd, dhcp_icmp_fd, routefd;
#endif	#endif
struct iovec dhcp_packet;	struct iovec dhcp_packet;
char dhcp_buff, dhcp_buff2, *dhcp_buff3;	char dhcp_buff, dhcp_buff2, *dhcp_buff3;
struct ping_result *ping_results;	struct ping_result *ping_results;
FILE *lease_stream;	FILE *lease_stream;
struct dhcp_bridge *bridges;	struct dhcp_bridge *bridges;
	struct shared_network *shared_networks;
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
int duid_len;	int duid_len;
unsigned char *duid;	unsigned char *duid;
Line 877 extern struct daemon {	Line 1152 extern struct daemon {
#ifdef HAVE_DBUS	#ifdef HAVE_DBUS
struct watch *watches;	struct watch *watches;
#endif	#endif
	/* UBus stuff */
	#ifdef HAVE_UBUS
	/* void * here to avoid depending on ubus headers outside ubus.c */
	void *ubus;
	#endif

/* TFTP stuff */	/* TFTP stuff */
struct tftp_transfer tftp_trans, tftp_done_trans;	struct tftp_transfer tftp_trans, tftp_done_trans;

/* utility string buffer, hold max sized IP address as string */	/* utility string buffer, hold max sized IP address as string */
char *addrbuff;	char *addrbuff;
	char addrbuff2; / only allocated when OPT_EXTRALOG */

	#ifdef HAVE_DUMPFILE
	/* file for packet dumps. */
	int dumpfd;
	#endif
} *daemon;	} *daemon;

/* cache.c */	/* cache.c */
void cache_init(void);	void cache_init(void);
void log_query(unsigned int flags, char name, struct all_addr addr, char *arg);	void next_uid(struct crec *crecp);
char *record_source(int index);	void log_query(unsigned int flags, char name, union all_addr addr, char *arg);
void querystr(char desc, char str, unsigned short type);	char *record_source(unsigned int index);
	char querystr(char desc, unsigned short type);
	int cache_find_non_terminal(char *name, time_t now);
struct crec cache_find_by_addr(struct crec crecp,	struct crec cache_find_by_addr(struct crec crecp,
struct all_addr *addr, time_t now,	union all_addr *addr, time_t now,
unsigned short prot);	unsigned int prot);
struct crec cache_find_by_name(struct crec crecp,	struct crec cache_find_by_name(struct crec crecp,
char *name, time_t now, unsigned short prot);	char *name, time_t now, unsigned int prot);
void cache_end_insert(void);	void cache_end_insert(void);
void cache_start_insert(void);	void cache_start_insert(void);
struct crec cache_insert(char name, struct all_addr *addr,	int cache_recv_insert(time_t now, int fd);
time_t now, unsigned long ttl, unsigned short flags);	struct crec cache_insert(char name, union all_addr *addr, unsigned short class,
	time_t now, unsigned long ttl, unsigned int flags);
void cache_reload(void);	void cache_reload(void);
void cache_add_dhcp_entry(char host_name, int prot, struct all_addr host_address, time_t ttd);	void cache_add_dhcp_entry(char host_name, int prot, union all_addr host_address, time_t ttd);
struct in_addr a_record_from_hosts(char *name, time_t now);	struct in_addr a_record_from_hosts(char *name, time_t now);
void cache_unhash_dhcp(void);	void cache_unhash_dhcp(void);
void dump_cache(time_t now);	void dump_cache(time_t now);
	#ifndef NO_ID
	int cache_make_stat(struct txt_record *t);
	#endif
char cache_get_name(struct crec crecp);	char cache_get_name(struct crec crecp);
	char cache_get_cname_target(struct crec crecp);
struct crec *cache_enumerate(int init);	struct crec *cache_enumerate(int init);
	int read_hostsfile(char *filename, unsigned int index, int cache_size,
	struct crec **rhash, int hashsz);

	/* blockdata.c */
	void blockdata_init(void);
	void blockdata_report(void);
	struct blockdata blockdata_alloc(char data, size_t len);
	void blockdata_retrieve(struct blockdata block, size_t len, void *data);
	struct blockdata *blockdata_read(int fd, size_t len);
	void blockdata_write(struct blockdata *block, size_t len, int fd);
	void blockdata_free(struct blockdata *blocks);

	/* domain.c */
char *get_domain(struct in_addr addr);	char *get_domain(struct in_addr addr);
#ifdef HAVE_IPV6
char get_domain6(struct in6_addr addr);	char get_domain6(struct in6_addr addr);
#endif	int is_name_synthetic(int flags, char name, union all_addr addr);
#ifdef HAVE_DNSSEC	int is_rev_synth(int flag, union all_addr addr, char name);
struct keydata keydata_alloc(char data, size_t len);
void keydata_free(struct keydata *blocks);
#endif

/* rfc1035.c */	/* rfc1035.c */
	int extract_name(struct dns_header header, size_t plen, unsigned char *pp,
	char *name, int isExtract, int extrabytes);
	unsigned char skip_name(unsigned char ansp, struct dns_header *header, size_t plen, int extrabytes);
	unsigned char skip_questions(struct dns_header header, size_t plen);
	unsigned char skip_section(unsigned char ansp, int count, struct dns_header *header, size_t plen);
unsigned int extract_request(struct dns_header *header, size_t qlen,	unsigned int extract_request(struct dns_header *header, size_t qlen,
char name, unsigned short typep);	char name, unsigned short typep);
size_t setup_reply(struct dns_header *header, size_t qlen,	size_t setup_reply(struct dns_header *header, size_t qlen,
struct all_addr *addrp, unsigned int flags,	union all_addr *addrp, unsigned int flags,
unsigned long local_ttl);	unsigned long ttl);
int extract_addresses(struct dns_header header, size_t qlen, char namebuff,	int extract_addresses(struct dns_header header, size_t qlen, char name,
time_t now, char **ipsets, int is_sign, int checkrebind,	time_t now, char **ipsets, int is_sign, int check_rebind,
int checking_disabled);	int no_cache_dnssec, int secure, int *doctored);
size_t answer_request(struct dns_header header, char limit, size_t qlen,	size_t answer_request(struct dns_header header, char limit, size_t qlen,
struct in_addr local_addr, struct in_addr local_netmask, time_t now);	struct in_addr local_addr, struct in_addr local_netmask,
	time_t now, int ad_reqd, int do_bit, int have_pseudoheader);
int check_for_bogus_wildcard(struct dns_header header, size_t qlen, char name,	int check_for_bogus_wildcard(struct dns_header header, size_t qlen, char name,
struct bogus_addr *addr, time_t now);	struct bogus_addr *baddr, time_t now);
unsigned char find_pseudoheader(struct dns_header header, size_t plen,	int check_for_ignored_address(struct dns_header header, size_t qlen, struct bogus_addr baddr);
size_t len, unsigned char p, int is_sign);
int check_for_local_domain(char *name, time_t now);	int check_for_local_domain(char *name, time_t now);
unsigned int questions_crc(struct dns_header header, size_t plen, char buff);
size_t resize_packet(struct dns_header *header, size_t plen,	size_t resize_packet(struct dns_header *header, size_t plen,
unsigned char *pheader, size_t hlen);	unsigned char *pheader, size_t hlen);
size_t add_mac(struct dns_header header, size_t plen, char limit, union mysockaddr *l3);
int add_resource_record(struct dns_header header, char limit, int *truncp,	int add_resource_record(struct dns_header header, char limit, int *truncp,
int nameoffset, unsigned char **pp, unsigned long ttl,	int nameoffset, unsigned char **pp, unsigned long ttl,
int offset, unsigned short type, unsigned short class, char format, ...);	int offset, unsigned short type, unsigned short class, char format, ...);
unsigned char skip_questions(struct dns_header header, size_t plen);	int in_arpa_name_2_addr(char namein, union all_addr addrp);
int extract_name(struct dns_header header, size_t plen, unsigned char *pp,	int private_net(struct in_addr addr, int ban_localhost);
char *name, int isExtract, int extrabytes);
int in_arpa_name_2_addr(char namein, struct all_addr addrp);

/* auth.c */	/* auth.c */
#ifdef HAVE_AUTH	#ifdef HAVE_AUTH
size_t answer_auth(struct dns_header header, char limit, size_t qlen, time_t now, union mysockaddr *peer_addr);	size_t answer_auth(struct dns_header header, char limit, size_t qlen,
	time_t now, union mysockaddr *peer_addr, int local_query,
	int do_bit, int have_pseudoheader);
	int in_zone(struct auth_zone zone, char name, char **cut);
#endif	#endif

	/* dnssec.c */
	size_t dnssec_generate_query(struct dns_header header, unsigned char end, char *name, int class, int type, int edns_pktsz);
	int dnssec_validate_by_ds(time_t now, struct dns_header header, size_t plen, char name, char *keyname, int class);
	int dnssec_validate_ds(time_t now, struct dns_header header, size_t plen, char name, char *keyname, int class);
	int dnssec_validate_reply(time_t now, struct dns_header header, size_t plen, char name, char keyname, int class,
	int check_unsigned, int neganswer, int nons, int *nsec_ttl);
	int dnskey_keytag(int alg, int flags, unsigned char *key, int keylen);
	size_t filter_rrsigs(struct dns_header *header, size_t plen);
	int setup_timestamp(void);

	/* hash_questions.c */
	void hash_questions_init(void);
	unsigned char hash_questions(struct dns_header header, size_t plen, char *name);

	/* crypto.c */
	const struct nettle_hash hash_find(char name);
	int hash_init(const struct nettle_hash hash, void ctxp, unsigned char *digestp);
	int verify(struct blockdata key_data, unsigned int key_len, unsigned char sig, size_t sig_len,
	unsigned char *digest, size_t digest_len, int algo);
	char *ds_digest_name(int digest);
	char *algo_digest_name(int algo);
	char *nsec3_digest_name(int digest);

/* util.c */	/* util.c */
void rand_init(void);	void rand_init(void);
unsigned short rand16(void);	unsigned short rand16(void);
int legal_hostname(char *c);	u32 rand32(void);
char canonicalise(char s, int *nomem);	u64 rand64(void);
unsigned char do_rfc1035_name(unsigned char p, char *sval);	int legal_hostname(char *name);
	char canonicalise(char in, int *nomem);
	unsigned char do_rfc1035_name(unsigned char p, char sval, char limit);
void *safe_malloc(size_t size);	void *safe_malloc(size_t size);
	void safe_strncpy(char dest, const char src, size_t size);
void safe_pipe(int *fd, int read_noblock);	void safe_pipe(int *fd, int read_noblock);
void *whine_malloc(size_t size);	void *whine_malloc(size_t size);
int sa_len(union mysockaddr *addr);	int sa_len(union mysockaddr *addr);
int sockaddr_isequal(union mysockaddr s1, union mysockaddr s2);	int sockaddr_isequal(union mysockaddr s1, union mysockaddr s2);
int hostname_isequal(const char a, const char b);	int hostname_isequal(const char a, const char b);
	int hostname_issubdomain(char a, char b);
time_t dnsmasq_time(void);	time_t dnsmasq_time(void);
	int netmask_length(struct in_addr mask);
int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask);	int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask);
#ifdef HAVE_IPV6
int is_same_net6(struct in6_addr a, struct in6_addr b, int prefixlen);	int is_same_net6(struct in6_addr a, struct in6_addr b, int prefixlen);
u64 addr6part(struct in6_addr *addr);	u64 addr6part(struct in6_addr *addr);
void setaddr6part(struct in6_addr *addr, u64 host);	void setaddr6part(struct in6_addr *addr, u64 host);
#endif	int retry_send(ssize_t rc);
int retry_send(void);
void prettyprint_time(char *buf, unsigned int t);	void prettyprint_time(char *buf, unsigned int t);
int prettyprint_addr(union mysockaddr addr, char buf);	int prettyprint_addr(union mysockaddr addr, char buf);
int parse_hex(char in, unsigned char out, int maxlen,	int parse_hex(char in, unsigned char out, int maxlen,
Line 977 int memcmp_masked(unsigned char a, unsigned char b,	Line 1308 int memcmp_masked(unsigned char a, unsigned char b,
unsigned int mask);	unsigned int mask);
int expand_buf(struct iovec *iov, size_t size);	int expand_buf(struct iovec *iov, size_t size);
char print_mac(char buff, unsigned char *mac, int len);	char print_mac(char buff, unsigned char *mac, int len);
void bump_maxfd(int fd, int *max);
int read_write(int fd, unsigned char *packet, int size, int rw);	int read_write(int fd, unsigned char *packet, int size, int rw);
	void close_fds(long max_fd, int spare1, int spare2, int spare3);
int wildcard_match(const char* wildcard, const char* match);	int wildcard_match(const char* wildcard, const char* match);
	int wildcard_matchn(const char* wildcard, const char* match, int num);
	#ifdef HAVE_LINUX_NETWORK
	int kernel_version(void);
	#endif

/* log.c */	/* log.c */
void die(char message, char arg1, int exit_code);	void die(char message, char arg1, int exit_code) ATTRIBUTE_NORETURN;
int log_start(struct passwd *ent_pw, int errfd);	int log_start(struct passwd *ent_pw, int errfd);
int log_reopen(char *log_file);	int log_reopen(char *log_file);

void my_syslog(int priority, const char *format, ...);	void my_syslog(int priority, const char *format, ...);
void set_log_writer(fd_set set, int maxfdp);
void check_log_writer(fd_set *set);	void set_log_writer(void);
	void check_log_writer(int force);
void flush_log(void);	void flush_log(void);

/* option.c */	/* option.c */
Line 996 void read_opts (int argc, char *argv, char compile_o	Line 1332 void read_opts (int argc, char *argv, char compile_o
char option_string(int prot, unsigned int opt, unsigned char val,	char option_string(int prot, unsigned int opt, unsigned char val,
int opt_len, char *buf, int buf_len);	int opt_len, char *buf, int buf_len);
void reread_dhcp(void);	void reread_dhcp(void);
	void read_servers_file(void);
void set_option_bool(unsigned int opt);	void set_option_bool(unsigned int opt);
void reset_option_bool(unsigned int opt);	void reset_option_bool(unsigned int opt);
struct hostsfile expand_filelist(struct hostsfile list);	struct hostsfile expand_filelist(struct hostsfile list);
char parse_server(char arg, union mysockaddr *addr,	char parse_server(char arg, union mysockaddr *addr,
union mysockaddr source_addr, char interface, int *flags);	union mysockaddr source_addr, char interface, int *flags);
	int option_read_dynfile(char *file, int flags);

/* forward.c */	/* forward.c */
void reply_query(int fd, int family, time_t now);	void reply_query(int fd, int family, time_t now);
Line 1008 void receive_query(struct listener *listen, time_t now	Line 1346 void receive_query(struct listener *listen, time_t now
unsigned char *tcp_request(int confd, time_t now,	unsigned char *tcp_request(int confd, time_t now,
union mysockaddr *local_addr, struct in_addr netmask, int auth_dns);	union mysockaddr *local_addr, struct in_addr netmask, int auth_dns);
void server_gone(struct server *server);	void server_gone(struct server *server);
struct frec get_new_frec(time_t now, int wait);	struct frec get_new_frec(time_t now, int wait, struct frec *force);
int send_from(int fd, int nowild, char *packet, size_t len,	int send_from(int fd, int nowild, char *packet, size_t len,
union mysockaddr to, struct all_addr source,	union mysockaddr to, union all_addr source,
unsigned int iface);	unsigned int iface);
	void resend_query(void);
	struct randfd *allocate_rfd(int family);
	void free_rfd(struct randfd *rfd);

/* network.c */	/* network.c */
int indextoname(int fd, int index, char *name);	int indextoname(int fd, int index, char *name);
int local_bind(int fd, union mysockaddr addr, char intname, int is_tcp);	int local_bind(int fd, union mysockaddr addr, char intname, unsigned int ifindex, int is_tcp);
int random_sock(int family);	int random_sock(int family);
void pre_allocate_sfds(void);	void pre_allocate_sfds(void);
int reload_servers(char *fname);	int reload_servers(char *fname);
	void mark_servers(int flag);
	void cleanup_servers(void);
	void add_update_server(int flags,
	union mysockaddr *addr,
	union mysockaddr *source_addr,
	const char *interface,
	const char *domain);
void check_servers(void);	void check_servers(void);
int enumerate_interfaces();	int enumerate_interfaces(int reset);
void create_wildcard_listeners(void);	void create_wildcard_listeners(void);
void create_bound_listeners(int die);	void create_bound_listeners(int dienow);
	void warn_bound_listeners(void);
	void warn_wild_labels(void);
	void warn_int_names(void);
int is_dad_listeners(void);	int is_dad_listeners(void);
int iface_check(int family, struct all_addr addr, char name, int *auth_dns);	int iface_check(int family, union all_addr addr, char name, int *auth);
int loopback_exception(int fd, int family, struct all_addr addr, char name);	int loopback_exception(int fd, int family, union all_addr addr, char name);
	int label_exception(int index, int family, union all_addr *addr);
int fix_fd(int fd);	int fix_fd(int fd);
int tcp_interface(int fd, int af);	int tcp_interface(int fd, int af);
struct in_addr get_ifaddr(char *intr);
#ifdef HAVE_IPV6
int set_ipv6pktinfo(int fd);	int set_ipv6pktinfo(int fd);
#endif
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
void join_multicast(int dienow);	void join_multicast(int dienow);
#endif	#endif
	#if defined(HAVE_LINUX_NETWORK) \|\| defined(HAVE_BSD_NETWORK)
	void newaddress(time_t now);
	#endif


/* dhcp.c */	/* dhcp.c */
#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
void dhcp_init(void);	void dhcp_init(void);
void dhcp_packet(time_t now, int pxe_fd);	void dhcp_packet(time_t now, int pxe_fd);
struct dhcp_context address_available(struct dhcp_context context,	struct dhcp_context address_available(struct dhcp_context context,
struct in_addr addr,	struct in_addr taddr,
struct dhcp_netid *netids);	struct dhcp_netid *netids);
struct dhcp_context narrow_context(struct dhcp_context context,	struct dhcp_context narrow_context(struct dhcp_context context,
struct in_addr taddr,	struct in_addr taddr,
struct dhcp_netid *netids);	struct dhcp_netid *netids);
	struct ping_result *do_icmp_ping(time_t now, struct in_addr addr,
	unsigned int hash, int loopback);
int address_allocate(struct dhcp_context *context,	int address_allocate(struct dhcp_context *context,
struct in_addr addrp, unsigned char hwaddr, int hw_len,	struct in_addr addrp, unsigned char hwaddr, int hw_len,
struct dhcp_netid *netids, time_t now);	struct dhcp_netid *netids, time_t now, int loopback);
int config_has_mac(struct dhcp_config config, unsigned char hwaddr, int len, int type);
struct dhcp_config find_config(struct dhcp_config configs,
struct dhcp_context *context,
unsigned char *clid, int clid_len,
unsigned char *hwaddr, int hw_len,
int hw_type, char *hostname);
void dhcp_read_ethers(void);	void dhcp_read_ethers(void);
struct dhcp_config config_find_by_address(struct dhcp_config configs, struct in_addr addr);	struct dhcp_config config_find_by_address(struct dhcp_config configs, struct in_addr addr);
char *host_from_dns(struct in_addr addr);	char *host_from_dns(struct in_addr addr);
Line 1069 struct dhcp_lease *lease4_allocate(struct in_addr addr	Line 1418 struct dhcp_lease *lease4_allocate(struct in_addr addr
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
struct dhcp_lease lease6_allocate(struct in6_addr addrp, int lease_type);	struct dhcp_lease lease6_allocate(struct in6_addr addrp, int lease_type);
struct dhcp_lease lease6_find(unsigned char clid, int clid_len,	struct dhcp_lease lease6_find(unsigned char clid, int clid_len,
int lease_type, int iaid, struct in6_addr *addr);	int lease_type, unsigned int iaid, struct in6_addr *addr);
void lease6_reset(void);	void lease6_reset(void);
struct dhcp_lease lease6_find_by_client(struct dhcp_lease first, int lease_type, unsigned char *clid, int clid_len, int iaid);	struct dhcp_lease lease6_find_by_client(struct dhcp_lease first, int lease_type,
	unsigned char *clid, int clid_len, unsigned int iaid);
struct dhcp_lease lease6_find_by_addr(struct in6_addr net, int prefix, u64 addr);	struct dhcp_lease lease6_find_by_addr(struct in6_addr net, int prefix, u64 addr);
u64 lease_find_max_addr6(struct dhcp_context *context);	u64 lease_find_max_addr6(struct dhcp_context *context);
void lease_ping_reply(struct in6_addr sender, unsigned char packet, char *interface);	void lease_ping_reply(struct in6_addr sender, unsigned char packet, char *interface);
void lease_update_slaac(time_t now);	void lease_update_slaac(time_t now);
	void lease_set_iaid(struct dhcp_lease *lease, unsigned int iaid);
	void lease_make_duid(time_t now);
#endif	#endif
void lease_set_hwaddr(struct dhcp_lease lease, unsigned char hwaddr,	void lease_set_hwaddr(struct dhcp_lease lease, const unsigned char hwaddr,
unsigned char *clid, int hw_len, int hw_type, int clid_len, time_t now, int force);	const unsigned char *clid, int hw_len, int hw_type,
void lease_set_hostname(struct dhcp_lease lease, char name, int auth, char domain, char config_domain);	int clid_len, time_t now, int force);
	void lease_set_hostname(struct dhcp_lease lease, const char name, int auth, char domain, char config_domain);
void lease_set_expires(struct dhcp_lease *lease, unsigned int len, time_t now);	void lease_set_expires(struct dhcp_lease *lease, unsigned int len, time_t now);
void lease_set_interface(struct dhcp_lease *lease, int interface, time_t now);	void lease_set_interface(struct dhcp_lease *lease, int interface, time_t now);
struct dhcp_lease lease_find_by_client(unsigned char hwaddr, int hw_len, int hw_type,	struct dhcp_lease lease_find_by_client(unsigned char hwaddr, int hw_len, int hw_type,
Line 1100 void lease_add_extradata(struct dhcp_lease *lease, uns	Line 1453 void lease_add_extradata(struct dhcp_lease *lease, uns
/* rfc2131.c */	/* rfc2131.c */
#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
size_t dhcp_reply(struct dhcp_context context, char iface_name, int int_index,	size_t dhcp_reply(struct dhcp_context context, char iface_name, int int_index,
size_t sz, time_t now, int unicast_dest, int *is_inform, int pxe_fd, struct in_addr fallback);	size_t sz, time_t now, int unicast_dest, int loopback,
	int *is_inform, int pxe, struct in_addr fallback, time_t recvtime);
unsigned char extended_hwaddr(int hwtype, int hwlen, unsigned char hwaddr,	unsigned char extended_hwaddr(int hwtype, int hwlen, unsigned char hwaddr,
int clid_len, unsigned char clid, int len_out);	int clid_len, unsigned char clid, int len_out);
#endif	#endif
Line 1109 unsigned char *extended_hwaddr(int hwtype, int hwlen,	Line 1463 unsigned char *extended_hwaddr(int hwtype, int hwlen,
#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
int make_icmp_sock(void);	int make_icmp_sock(void);
int icmp_ping(struct in_addr addr);	int icmp_ping(struct in_addr addr);
	int delay_dhcp(time_t start, int sec, int fd, uint32_t addr, unsigned short id);
#endif	#endif
	void queue_event(int event);
void send_alarm(time_t event, time_t now);	void send_alarm(time_t event, time_t now);
void send_event(int fd, int event, int data, char *msg);	void send_event(int fd, int event, int data, char *msg);
void clear_cache_and_reload(time_t now);	void clear_cache_and_reload(time_t now);
void poll_resolv(int force, int do_reload, time_t now);

/* netlink.c */	/* netlink.c */
#ifdef HAVE_LINUX_NETWORK	#ifdef HAVE_LINUX_NETWORK
void netlink_init(void);	char *netlink_init(void);
void netlink_multicast(time_t now);	void netlink_multicast(void);
#endif	#endif

/* bpf.c */	/* bpf.c */
Line 1126 void netlink_multicast(time_t now);	Line 1481 void netlink_multicast(time_t now);
void init_bpf(void);	void init_bpf(void);
void send_via_bpf(struct dhcp_packet *mess, size_t len,	void send_via_bpf(struct dhcp_packet *mess, size_t len,
struct in_addr iface_addr, struct ifreq *ifr);	struct in_addr iface_addr, struct ifreq *ifr);
	void route_init(void);
	void route_sock(void);
#endif	#endif

/* bpf.c or netlink.c */	/* bpf.c or netlink.c */
Line 1134 int iface_enumerate(int family, void *parm, int (callb	Line 1491 int iface_enumerate(int family, void *parm, int (callb
/* dbus.c */	/* dbus.c */
#ifdef HAVE_DBUS	#ifdef HAVE_DBUS
char *dbus_init(void);	char *dbus_init(void);
void check_dbus_listeners(fd_set rset, fd_set wset, fd_set *eset);	void check_dbus_listeners(void);
void set_dbus_listeners(int maxfdp, fd_set rset, fd_set wset, fd_set eset);	void set_dbus_listeners(void);
# ifdef HAVE_DHCP	# ifdef HAVE_DHCP
void emit_dbus_signal(int action, struct dhcp_lease lease, char hostname);	void emit_dbus_signal(int action, struct dhcp_lease lease, char hostname);
# endif	# endif
#endif	#endif

	/* ubus.c */
	#ifdef HAVE_UBUS
	void ubus_init(void);
	void set_ubus_listeners(void);
	void check_ubus_listeners(void);
	void ubus_event_bcast(const char type, const char mac, const char ip, const char name, const char *interface);
	#endif

/* ipset.c */	/* ipset.c */
#ifdef HAVE_IPSET	#ifdef HAVE_IPSET
void ipset_init(void);	void ipset_init(void);
int add_to_ipset(const char setname, const struct all_addr ipaddr, int flags, int remove);	int add_to_ipset(const char setname, const union all_addr ipaddr, int flags, int remove);
#endif	#endif

/* helper.c */	/* helper.c */
Line 1156 void queue_script(int action, struct dhcp_lease *lease	Line 1521 void queue_script(int action, struct dhcp_lease *lease
#ifdef HAVE_TFTP	#ifdef HAVE_TFTP
void queue_tftp(off_t file_len, char filename, union mysockaddr peer);	void queue_tftp(off_t file_len, char filename, union mysockaddr peer);
#endif	#endif
	void queue_arp(int action, unsigned char *mac, int maclen,
	int family, union all_addr *addr);
int helper_buf_empty(void);	int helper_buf_empty(void);
#endif	#endif

/* tftp.c */	/* tftp.c */
#ifdef HAVE_TFTP	#ifdef HAVE_TFTP
void tftp_request(struct listener *listen, time_t now);	void tftp_request(struct listener *listen, time_t now);
void check_tftp_listeners(fd_set *rset, time_t now);	void check_tftp_listeners(time_t now);
int do_tftp_script_run(void);	int do_tftp_script_run(void);
#endif	#endif

/* conntrack.c */	/* conntrack.c */
#ifdef HAVE_CONNTRACK	#ifdef HAVE_CONNTRACK
int get_incoming_mark(union mysockaddr peer_addr, struct all_addr local_addr,	int get_incoming_mark(union mysockaddr peer_addr, union all_addr local_addr,
int istcp, unsigned int *markp);	int istcp, unsigned int *markp);
#endif	#endif

Line 1176 int get_incoming_mark(union mysockaddr *peer_addr, str	Line 1543 int get_incoming_mark(union mysockaddr *peer_addr, str
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
void dhcp6_init(void);	void dhcp6_init(void);
void dhcp6_packet(time_t now);	void dhcp6_packet(time_t now);
struct dhcp_context address6_allocate(struct dhcp_context context, unsigned char *clid, int clid_len,	struct dhcp_context address6_allocate(struct dhcp_context context, unsigned char *clid, int clid_len, int temp_addr,
int iaid, int serial, struct dhcp_netid netids, int plain_range, struct in6_addr ans);	unsigned int iaid, int serial, struct dhcp_netid netids, int plain_range, struct in6_addr ans);
int config_valid(struct dhcp_config config, struct dhcp_context context, struct in6_addr *addr);
struct dhcp_context address6_available(struct dhcp_context context,	struct dhcp_context address6_available(struct dhcp_context context,
struct in6_addr *taddr,	struct in6_addr *taddr,
struct dhcp_netid *netids,	struct dhcp_netid *netids,
Line 1187 struct dhcp_context *address6_valid(struct dhcp_contex	Line 1553 struct dhcp_context *address6_valid(struct dhcp_contex
struct in6_addr *taddr,	struct in6_addr *taddr,
struct dhcp_netid *netids,	struct dhcp_netid *netids,
int plain_range);	int plain_range);
struct dhcp_config find_config6(struct dhcp_config configs,
struct dhcp_context *context,
unsigned char *duid, int duid_len,
char *hostname);
struct dhcp_config config_find_by_address6(struct dhcp_config configs, struct in6_addr *net,	struct dhcp_config config_find_by_address6(struct dhcp_config configs, struct in6_addr *net,
int prefix, u64 addr);	int prefix, struct in6_addr *addr);
void make_duid(time_t now);	void make_duid(time_t now);
void dhcp_construct_contexts(time_t now);	void dhcp_construct_contexts(time_t now);
	void get_client_mac(struct in6_addr client, int iface, unsigned char mac,
	unsigned int maclenp, unsigned int mactypep, time_t now);
#endif	#endif

/* rfc3315.c */	/* rfc3315.c */
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
unsigned short dhcp6_reply(struct dhcp_context context, int interface, char iface_name,	unsigned short dhcp6_reply(struct dhcp_context context, int interface, char iface_name,
struct in6_addr *fallback, size_t sz, int is_multicast, time_t now);	struct in6_addr fallback, struct in6_addr ll_addr, struct in6_addr *ula_addr,
	size_t sz, struct in6_addr *client_addr, time_t now);
	void relay_upstream6(struct dhcp_relay relay, ssize_t sz, struct in6_addr peer_address,
	u32 scope_id, time_t now);

	unsigned short relay_reply6( struct sockaddr_in6 peer, ssize_t sz, char arrival_interface);
#endif	#endif

/* dhcp-common.c */	/* dhcp-common.c */
#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
void dhcp_common_init(void);	void dhcp_common_init(void);
ssize_t recv_dhcp_packet(int fd, struct msghdr *msg);	ssize_t recv_dhcp_packet(int fd, struct msghdr *msg);
struct dhcp_netid run_tag_if(struct dhcp_netid input);	struct dhcp_netid run_tag_if(struct dhcp_netid tags);
struct dhcp_netid option_filter(struct dhcp_netid tags, struct dhcp_netid *context_tags,	struct dhcp_netid option_filter(struct dhcp_netid tags, struct dhcp_netid *context_tags,
struct dhcp_opt *opts);	struct dhcp_opt *opts);
int match_netid(struct dhcp_netid check, struct dhcp_netid pool, int negonly);	int match_netid(struct dhcp_netid check, struct dhcp_netid pool, int tagnotneeded);
char strip_hostname(char hostname);	char strip_hostname(char hostname);
void log_tags(struct dhcp_netid *netid, u32 xid);	void log_tags(struct dhcp_netid *netid, u32 xid);
int match_bytes(struct dhcp_opt o, unsigned char p, int len);	int match_bytes(struct dhcp_opt o, unsigned char p, int len);
void dhcp_update_configs(struct dhcp_config *configs);	void dhcp_update_configs(struct dhcp_config *configs);
void display_opts(void);	void display_opts(void);
u16 lookup_dhcp_opt(int prot, char *name);	int lookup_dhcp_opt(int prot, char *name);
u16 lookup_dhcp_len(int prot, u16 val);	int lookup_dhcp_len(int prot, int val);
char option_string(int prot, unsigned int opt, unsigned char val,	struct dhcp_config find_config(struct dhcp_config configs,
int opt_len, char *buf, int buf_len);	struct dhcp_context *context,
	unsigned char *clid, int clid_len,
	unsigned char *hwaddr, int hw_len,
	int hw_type, char *hostname,
	struct dhcp_netid *filter);
	int config_has_mac(struct dhcp_config config, unsigned char hwaddr, int len, int type);
#ifdef HAVE_LINUX_NETWORK	#ifdef HAVE_LINUX_NETWORK
void bindtodevice(int fd);	char *whichdevice(void);
	void bindtodevice(char *device, int fd);
#endif	#endif
# ifdef HAVE_DHCP6	# ifdef HAVE_DHCP6
void display_opts6(void);	void display_opts6(void);
# endif	# endif
void log_context(int family, struct dhcp_context *context);	void log_context(int family, struct dhcp_context *context);
	void log_relay(int family, struct dhcp_relay *relay);
#endif	#endif

/* outpacket.c */	/* outpacket.c */
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
void end_opt6(int container);	void end_opt6(int container);
	void reset_counter(void);
int save_counter(int newval);	int save_counter(int newval);
void *expand(size_t headroom);	void *expand(size_t headroom);
int new_opt6(int opt);	int new_opt6(int opt);
Line 1247 void put_opt6_string(char *s);	Line 1624 void put_opt6_string(char *s);
void ra_init(time_t now);	void ra_init(time_t now);
void icmp6_packet(time_t now);	void icmp6_packet(time_t now);
time_t periodic_ra(time_t now);	time_t periodic_ra(time_t now);
void ra_start_unsolicted(time_t now, struct dhcp_context *context);	void ra_start_unsolicited(time_t now, struct dhcp_context *context);
#endif	#endif

/* slaac.c */	/* slaac.c */
Line 1255 void ra_start_unsolicted(time_t now, struct dhcp_conte	Line 1632 void ra_start_unsolicted(time_t now, struct dhcp_conte
void slaac_add_addrs(struct dhcp_lease *lease, time_t now, int force);	void slaac_add_addrs(struct dhcp_lease *lease, time_t now, int force);
time_t periodic_slaac(time_t now, struct dhcp_lease *leases);	time_t periodic_slaac(time_t now, struct dhcp_lease *leases);
void slaac_ping_reply(struct in6_addr sender, unsigned char packet, char interface, struct dhcp_lease leases);	void slaac_ping_reply(struct in6_addr sender, unsigned char packet, char interface, struct dhcp_lease leases);
	#endif

	/* loop.c */
	#ifdef HAVE_LOOP
	void loop_send_probes(void);
	int detect_loop(char *query, int type);
	#endif

	/* inotify.c */
	#ifdef HAVE_INOTIFY
	void inotify_dnsmasq_init(void);
	int inotify_check(time_t now);
	void set_dynamic_inotify(int flag, int total_size, struct crec **rhash, int revhashsz);
	#endif

	/* poll.c */
	void poll_reset(void);
	int poll_check(int fd, short event);
	void poll_listen(int fd, short event);
	int do_poll(int timeout);

	/* rrfilter.c */
	size_t rrfilter(struct dns_header *header, size_t plen, int mode);
	u16 *rrfilter_desc(int type);
	int expand_workspace(unsigned char **wkspc, int szp, int new);

	/* edns0.c */
	unsigned char find_pseudoheader(struct dns_header header, size_t plen,
	size_t len, unsigned char p, int is_sign, int *is_last);
	size_t add_pseudoheader(struct dns_header header, size_t plen, unsigned char limit,
	unsigned short udp_sz, int optno, unsigned char *opt, size_t optlen, int set_do, int replace);
	size_t add_do_bit(struct dns_header header, size_t plen, unsigned char limit);
	size_t add_edns0_config(struct dns_header header, size_t plen, unsigned char limit,
	union mysockaddr source, time_t now, int check_subnet, int *cacheable);
	int check_source(struct dns_header header, size_t plen, unsigned char pseudoheader, union mysockaddr *peer);

	/* arp.c */
	int find_mac(union mysockaddr addr, unsigned char mac, int lazy, time_t now);
	int do_arp_script_run(void);

	/* dump.c */
	#ifdef HAVE_DUMPFILE
	void dump_init(void);
	void dump_packet(int mask, void packet, size_t len, union mysockaddr src, union mysockaddr *dst);
#endif	#endif

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.1.1.1
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	Added in v.1.1.1.4