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import of dnsmasq-2.56.tar.gz

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This commit is contained in:
Simon Kelley
2011-02-14 20:19:14 +00:00
parent c52e189734
commit 28866e9567
39 changed files with 5141 additions and 4286 deletions
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141
src/dnsmasq.h
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@@ -1,4 +1,4 @@
/* dnsmasq is Copyright (c) 2000-2010 Simon Kelley
/* dnsmasq is Copyright (c) 2000-2011 Simon Kelley
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
@@ -14,7 +14,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define COPYRIGHT "Copyright (c) 2000-2010 Simon Kelley"
#define COPYRIGHT "Copyright (c) 2000-2011 Simon Kelley"
#ifndef NO_LARGEFILE
/* Ensure we can use files >2GB (log files may grow this big) */
@@ -163,38 +163,44 @@ struct event_desc {
*/
#define DNSMASQ_PACKETSZ PACKETSZ+MAXDNAME+RRFIXEDSZ
#define OPT_BOGUSPRIV (1u<<0)
#define OPT_FILTER (1u<<1)
#define OPT_LOG (1u<<2)
#define OPT_SELFMX (1u<<3)
#define OPT_NO_HOSTS (1u<<4)
#define OPT_NO_POLL (1u<<5)
#define OPT_DEBUG (1u<<6)
#define OPT_ORDER (1u<<7)
#define OPT_NO_RESOLV (1u<<8)
#define OPT_EXPAND (1u<<9)
#define OPT_LOCALMX (1u<<10)
#define OPT_NO_NEG (1u<<11)
#define OPT_NODOTS_LOCAL (1u<<12)
#define OPT_NOWILD (1u<<13)
#define OPT_ETHERS (1u<<14)
#define OPT_RESOLV_DOMAIN (1u<<15)
#define OPT_NO_FORK (1u<<16)
#define OPT_AUTHORITATIVE (1u<<17)
#define OPT_LOCALISE (1u<<18)
#define OPT_DBUS (1u<<19)
#define OPT_DHCP_FQDN (1u<<20)
#define OPT_NO_PING (1u<<21)
#define OPT_LEASE_RO (1u<<22)
#define OPT_ALL_SERVERS (1u<<23)
#define OPT_RELOAD (1u<<24)
#define OPT_LOCAL_REBIND (1u<<25)
#define OPT_TFTP_SECURE (1u<<26)
#define OPT_TFTP_NOBLOCK (1u<<27)
#define OPT_LOG_OPTS (1u<<28)
#define OPT_TFTP_APREF (1u<<29)
#define OPT_NO_OVERRIDE (1u<<30)
#define OPT_NO_REBIND (1u<<31)
/* Trust the compiler dead-code elimator.... */
#define option_bool(x) (((x) < 32) ? daemon->options & (1u << (x)) : daemon->options2 & (1u << ((x) - 32)))
#define OPT_BOGUSPRIV 0
#define OPT_FILTER 1
#define OPT_LOG 2
#define OPT_SELFMX 3
#define OPT_NO_HOSTS 4
#define OPT_NO_POLL 5
#define OPT_DEBUG 6
#define OPT_ORDER 7
#define OPT_NO_RESOLV 8
#define OPT_EXPAND 9
#define OPT_LOCALMX 10
#define OPT_NO_NEG 11
#define OPT_NODOTS_LOCAL 12
#define OPT_NOWILD 13
#define OPT_ETHERS 14
#define OPT_RESOLV_DOMAIN 15
#define OPT_NO_FORK 16
#define OPT_AUTHORITATIVE 17
#define OPT_LOCALISE 18
#define OPT_DBUS 19
#define OPT_DHCP_FQDN 20
#define OPT_NO_PING 21
#define OPT_LEASE_RO 22
#define OPT_ALL_SERVERS 23
#define OPT_RELOAD 24
#define OPT_LOCAL_REBIND 25
#define OPT_TFTP_SECURE 26
#define OPT_TFTP_NOBLOCK 27
#define OPT_LOG_OPTS 28
#define OPT_TFTP_APREF 29
#define OPT_NO_OVERRIDE 30
#define OPT_NO_REBIND 31
#define OPT_ADD_MAC 32
#define OPT_DNSSEC 33
#define OPT_LAST 34
/* 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. */
@@ -235,7 +241,8 @@ struct naptr {
};
struct txt_record {
char *name, *txt;
char *name;
unsigned char *txt;
unsigned short class, len;
struct txt_record *next;
};
@@ -280,22 +287,28 @@ struct crec {
} name;
};
#define F_IMMORTAL 1
#define F_CONFIG 2
#define F_REVERSE 4
#define F_FORWARD 8
#define F_DHCP 16
#define F_NEG 32
#define F_HOSTS 64
#define F_IPV4 128
#define F_IPV6 256
#define F_BIGNAME 512
#define F_UPSTREAM 1024
#define F_SERVER 2048
#define F_NXDOMAIN 4096
#define F_QUERY 8192
#define F_CNAME 16384
#define F_NOERR 32768
#define F_IMMORTAL (1u<<0)
#define F_NAMEP (1u<<1)
#define F_REVERSE (1u<<2)
#define F_FORWARD (1u<<3)
#define F_DHCP (1u<<4)
#define F_NEG (1u<<5)
#define F_HOSTS (1u<<6)
#define F_IPV4 (1u<<7)
#define F_IPV6 (1u<<8)
#define F_BIGNAME (1u<<9)
#define F_NXDOMAIN (1u<<10)
#define F_CNAME (1u<<11)
#define F_NOERR (1u<<12)
#define F_CONFIG (1u<<13)
/* below here are only valid as args to log_query: cache
entries are limited to 16 bits */
#define F_UPSTREAM (1u<<16)
#define F_RRNAME (1u<<17)
#define F_SERVER (1u<<18)
#define F_QUERY (1u<<19)
#define F_NSRR (1u<<20)
/* struct sockaddr is not large enough to hold any address,
and specifically not big enough to hold an IPv6 address.
@@ -374,7 +387,7 @@ struct resolvc {
char *name;
};
/* adn-hosts parms from command-line */
/* adn-hosts parms from command-line (also dhcp-hostsfile and dhcp-optsfile */
#define AH_DIR 1
#define AH_INACTIVE 2
struct hostsfile {
@@ -384,6 +397,9 @@ struct hostsfile {
int index; /* matches to cache entries for logging */
};
#define FREC_NOREBIND 1
#define FREC_CHECKING_DISABLED 2
struct frec {
union mysockaddr source;
struct all_addr dest;
@@ -394,7 +410,7 @@ struct frec {
#endif
unsigned int iface;
unsigned short orig_id, new_id;
int fd, forwardall, norebind;
int fd, forwardall, flags;
unsigned int crc;
time_t time;
struct frec *next;
@@ -601,7 +617,7 @@ struct tftp_transfer {
int backoff;
unsigned int block, blocksize, expansion;
off_t offset;
struct sockaddr_in peer;
union mysockaddr peer;
char opt_blocksize, opt_transize, netascii, carrylf;
struct tftp_file *file;
struct tftp_transfer *next;
@@ -629,7 +645,7 @@ extern struct daemon {
config file arguments. All set (including defaults)
in option.c */
unsigned int options;
unsigned int options, options2;
struct resolvc default_resolv, *resolv_files;
time_t last_resolv;
struct mx_srv_record *mxnames;
@@ -669,7 +685,7 @@ extern struct daemon {
int enable_pxe;
struct dhcp_netid_list *dhcp_ignore, *dhcp_ignore_names, *dhcp_gen_names;
struct dhcp_netid_list *force_broadcast, *bootp_dynamic;
char *dhcp_hosts_file, *dhcp_opts_file;
struct hostsfile *dhcp_hosts_file, *dhcp_opts_file;
int dhcp_max, tftp_max;
int dhcp_server_port, dhcp_client_port;
int start_tftp_port, end_tftp_port;
@@ -727,7 +743,7 @@ extern struct daemon {
/* cache.c */
void cache_init(void);
void log_query(unsigned short flags, char *name, struct all_addr *addr, char *arg);
void log_query(unsigned int flags, char *name, struct all_addr *addr, char *arg);
char *record_source(int index);
void querystr(char *str, unsigned short type);
struct crec *cache_find_by_addr(struct crec *crecp,
@@ -747,13 +763,13 @@ char *cache_get_name(struct crec *crecp);
char *get_domain(struct in_addr addr);
/* rfc1035.c */
unsigned short extract_request(HEADER *header, size_t qlen,
unsigned int extract_request(HEADER *header, size_t qlen,
char *name, unsigned short *typep);
size_t setup_reply(HEADER *header, size_t qlen,
struct all_addr *addrp, unsigned short flags,
struct all_addr *addrp, unsigned int flags,
unsigned long local_ttl);
int extract_addresses(HEADER *header, size_t qlen, char *namebuff,
time_t now, int is_sign, int checkrebind);
time_t now, int is_sign, int checkrebind, int checking_disabled);
size_t answer_request(HEADER *header, char *limit, size_t qlen,
struct in_addr local_addr, struct in_addr local_netmask, time_t now);
int check_for_bogus_wildcard(HEADER *header, size_t qlen, char *name,
@@ -764,6 +780,7 @@ int check_for_local_domain(char *name, time_t now);
unsigned int questions_crc(HEADER *header, size_t plen, char *buff);
size_t resize_packet(HEADER *header, size_t plen,
unsigned char *pheader, size_t hlen);
size_t add_mac(HEADER *header, size_t plen, char *limit, union mysockaddr *l3);
/* util.c */
void rand_init(void);
@@ -804,6 +821,8 @@ void flush_log(void);
void read_opts (int argc, char **argv, char *compile_opts);
char *option_string(unsigned char opt, int *is_ip, int *is_name);
void reread_dhcp(void);
void set_option_bool(unsigned int opt);
struct hostsfile *expand_filelist(struct hostsfile *list);
/* forward.c */
void reply_query(int fd, int family, time_t now);
@@ -908,7 +927,7 @@ void send_via_bpf(struct dhcp_packet *mess, size_t len,
#endif
/* bpf.c or netlink.c */
int iface_enumerate(void *parm, int (*ipv4_callback)(), int (*ipv6_callback)());
int iface_enumerate(int family, void *parm, int (callback)());
/* dbus.c */
#ifdef HAVE_DBUS