-/* dnsmasq is Copyright (c) 2000-2012 Simon Kelley
+/* dnsmasq is Copyright (c) 2000-2013 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#define COPYRIGHT "Copyright (c) 2000-2012 Simon Kelley"
+#define COPYRIGHT "Copyright (c) 2000-2013 Simon Kelley"
#ifndef NO_LARGEFILE
/* Ensure we can use files >2GB (log files may grow this big) */
struct cname *next;
};
+struct auth_zone {
+ char *domain;
+ struct subnet {
+ int is6, prefixlen;
+ struct in_addr addr4;
+#ifdef HAVE_IPV6
+ struct in6_addr addr6;
+#endif
+ struct subnet *next;
+ } *subnet;
+ struct auth_zone *next;
+};
+
+
struct host_record {
struct name_list {
char *name;
#define F_SERVER (1u<<18)
#define F_QUERY (1u<<19)
#define F_NOERR (1u<<20)
+#define F_AUTH (1u<<21)
+
/* composites */
#define F_TYPE (F_IPV4 | F_IPV6 | F_DNSKEY | F_DS) /* Only one may be set */
#endif
};
+/* bits in flag param to IPv6 callbacks from iface_enumerate() */
+#define IFACE_TENTATIVE 1
+#define IFACE_DEPRECATED 2
+
+
#define SERV_FROM_RESOLV 1 /* 1 for servers from resolv, 0 for command line. */
#define SERV_NO_ADDR 2 /* no server, this domain is local only */
#define SERV_LITERAL_ADDRESS 4 /* addr is the answer, not the server */
struct server *next;
};
+struct ipsets {
+ char **sets;
+ char *domain;
+ struct ipsets *next;
+};
+
struct irec {
union mysockaddr addr;
struct in_addr netmask; /* only valid for IPv4 */
- int tftp_ok, dhcp_ok, mtu, done, dad;
- char *name;
+ int tftp_ok, dhcp_ok, mtu, done, dad, dns_auth, index, multicast_done;
+ char *name;
struct irec *next;
};
#define OT_NAME 0x1000
#define OT_CSTRING 0x0800
#define OT_DEC 0x0400
-
+#define OT_TIME 0x0200
/* actions in the daemon->helper RPC */
#define ACTION_DEL 1
int backoff; /* zero -> confirmed */
struct slaac_address *next;
} *slaac_address;
+ int vendorclass_count;
#endif
struct dhcp_lease *next;
};
#define CONFIG_DECLINED 1024 /* address declined by client */
#define CONFIG_BANK 2048 /* from dhcp hosts file */
#define CONFIG_ADDR6 4096
+#define CONFIG_WILDCARD 8192
struct dhcp_opt {
int opt, len, flags;
#endif
int is6;
struct cond_domain *next;
+};
+
+#ifdef OPTION6_PREFIX_CLASS
+struct prefix_class {
+ int class;
+ struct dhcp_netid tag;
+ struct prefix_class *next;
};
+#endif
struct dhcp_context {
unsigned int lease_time, addr_epoch;
struct in6_addr start6, end6; /* range of available addresses */
struct in6_addr local6;
int prefix, if_index;
- time_t ra_time;
+ unsigned int valid, preferred;
+ time_t ra_time, ra_short_period_start;
+ char *template_interface;
#endif
int flags;
struct dhcp_netid netid, *filter;
#define CONTEXT_RA_STATELESS 128
#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
struct ping_result {
struct in_addr addr;
struct ptr_record *ptr;
struct host_record *host_records, *host_records_tail;
struct cname *cnames;
+ struct auth_zone *auth_zones;
struct interface_name *int_names;
char *mxtarget;
char *lease_file;
char *username, *groupname, *scriptuser;
char *luascript;
+ char *authserver, *hostmaster;
+ struct iname *authinterface;
+ struct name_list *secondary_forward_server;
int group_set, osport;
char *domain_suffix;
- struct cond_domain *cond_domain;
+ struct cond_domain *cond_domain, *synth_domains;
char *runfile;
char *lease_change_command;
- struct iname *if_names, *if_addrs, *if_except, *dhcp_except;
+ struct iname *if_names, *if_addrs, *if_except, *dhcp_except, *auth_peers;
struct bogus_addr *bogus_addr;
struct server *servers;
+ struct ipsets *ipsets;
int log_fac; /* log facility */
char *log_file; /* optional log file */
int max_logs; /* queue limit */
int cachesize, ftabsize;
int port, query_port, min_port;
- unsigned long local_ttl, neg_ttl, max_ttl;
+ unsigned long local_ttl, neg_ttl, max_ttl, max_cache_ttl, auth_ttl;
struct hostsfile *addn_hosts;
- struct dhcp_context *dhcp, *dhcp6, *ra_contexts;
+ struct dhcp_context *dhcp, *dhcp6;
struct dhcp_config *dhcp_conf;
struct dhcp_opt *dhcp_opts, *dhcp_match, *dhcp_opts6, *dhcp_match6;
struct dhcp_vendor *dhcp_vendors;
struct addr_list *override_relays;
int override;
int enable_pxe;
+ int doing_ra, doing_dhcp6;
struct dhcp_netid_list *dhcp_ignore, *dhcp_ignore_names, *dhcp_gen_names;
struct dhcp_netid_list *force_broadcast, *bootp_dynamic;
struct hostsfile *dhcp_hosts_file, *dhcp_opts_file;
struct tftp_prefix *if_prefix; /* per-interface TFTP prefixes */
unsigned int duid_enterprise, duid_config_len;
unsigned char *duid_config;
+ char *dbus_name;
+ unsigned long soa_sn, soa_refresh, soa_retry, soa_expiry;
+#ifdef OPTION6_PREFIX_CLASS
+ struct prefix_class *prefix_classes;
+#endif
/* globally used stuff for DNS */
char *packet; /* packet buffer */
void cache_init(void);
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);
+void querystr(char *desc, char *str, unsigned short type);
struct crec *cache_find_by_addr(struct crec *crecp,
struct all_addr *addr, time_t now,
unsigned short prot);
void cache_unhash_dhcp(void);
void dump_cache(time_t now);
char *cache_get_name(struct crec *crecp);
-char *get_domain(struct in_addr addr);
-#ifdef HAVE_IPV6
-char *get_domain6(struct in6_addr *addr);
-#endif
+struct crec *cache_enumerate(int init);
#ifdef HAVE_DNSSEC
struct keydata *keydata_alloc(char *data, size_t len);
void keydata_free(struct keydata *blocks);
#endif
+/* domain.c */
+char *get_domain(struct in_addr addr);
+#ifdef HAVE_IPV6
+char *get_domain6(struct in6_addr *addr);
+#endif
+int is_name_synthetic(int flags, char *name, struct all_addr *addr);
+int is_rev_synth(int flag, struct all_addr *addr, char *name);
+
/* rfc1035.c */
unsigned int extract_request(struct dns_header *header, size_t qlen,
char *name, unsigned short *typep);
struct all_addr *addrp, unsigned int flags,
unsigned long local_ttl);
int extract_addresses(struct dns_header *header, size_t qlen, char *namebuff,
- time_t now, int is_sign, int checkrebind, int checking_disabled);
+ time_t now, char **ipsets, int is_sign, int checkrebind,
+ int checking_disabled);
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);
int check_for_bogus_wildcard(struct dns_header *header, size_t qlen, char *name,
size_t resize_packet(struct dns_header *header, size_t plen,
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 nameoffset, unsigned char **pp, unsigned long ttl,
+ int *offset, unsigned short type, unsigned short class, char *format, ...);
+unsigned char *skip_questions(struct dns_header *header, size_t plen);
+int extract_name(struct dns_header *header, size_t plen, unsigned char **pp,
+ char *name, int isExtract, int extrabytes);
+int in_arpa_name_2_addr(char *namein, struct all_addr *addrp);
+
+/* auth.c */
+#ifdef HAVE_AUTH
+size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t now, union mysockaddr *peer_addr);
+#endif
/* util.c */
void rand_init(void);
void *whine_malloc(size_t size);
int sa_len(union mysockaddr *addr);
int sockaddr_isequal(union mysockaddr *s1, union mysockaddr *s2);
-int hostname_isequal(char *a, char *b);
+int hostname_isequal(const char *a, const char *b);
time_t dnsmasq_time(void);
int is_same_net(struct in_addr a, struct in_addr b, struct in_addr mask);
#ifdef HAVE_IPV6
void bump_maxfd(int fd, int *max);
int read_write(int fd, unsigned char *packet, int size, int rw);
+int wildcard_match(const char* wildcard, const char* match);
+
/* log.c */
void die(char *message, char *arg1, int exit_code);
int log_start(struct passwd *ent_pw, int errfd);
void set_option_bool(unsigned int opt);
void reset_option_bool(unsigned int opt);
struct hostsfile *expand_filelist(struct hostsfile *list);
+char *parse_server(char *arg, union mysockaddr *addr,
+ union mysockaddr *source_addr, char *interface, int *flags);
/* forward.c */
void reply_query(int fd, int family, time_t now);
void receive_query(struct listener *listen, time_t now);
unsigned char *tcp_request(int confd, time_t now,
- union mysockaddr *local_addr, struct in_addr netmask);
+ union mysockaddr *local_addr, struct in_addr netmask, int auth_dns);
void server_gone(struct server *server);
struct frec *get_new_frec(time_t now, int *wait);
int send_from(int fd, int nowild, char *packet, size_t len,
void create_wildcard_listeners(void);
void create_bound_listeners(int die);
int is_dad_listeners(void);
-int iface_check(int family, struct all_addr *addr, char *name);
+int iface_check(int family, struct all_addr *addr, char *name, int *auth_dns);
+int loopback_exception(int fd, int family, struct all_addr *addr, char *name);
int fix_fd(int fd);
+int tcp_interface(int fd, int af);
struct in_addr get_ifaddr(char *intr);
#ifdef HAVE_IPV6
int set_ipv6pktinfo(int fd);
#endif
+#ifdef HAVE_DHCP6
+void join_multicast(int dienow);
+#endif
/* dhcp.c */
#ifdef HAVE_DHCP
struct dhcp_lease *lease6_allocate(struct in6_addr *addrp, int lease_type);
struct dhcp_lease *lease6_find(unsigned char *clid, int clid_len,
int lease_type, int iaid, struct in6_addr *addr);
+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_addr(struct in6_addr *net, int prefix, u64 addr);
u64 lease_find_max_addr6(struct dhcp_context *context);
void lease_ping_reply(struct in6_addr *sender, unsigned char *packet, char *interface);
+void lease_update_slaac(time_t now);
#endif
void lease_set_hwaddr(struct dhcp_lease *lease, unsigned char *hwaddr,
unsigned char *clid, int hw_len, int hw_type, int clid_len, time_t now, int force);
/* netlink.c */
#ifdef HAVE_LINUX_NETWORK
void netlink_init(void);
-void netlink_multicast(void);
+void netlink_multicast(time_t now);
#endif
/* bpf.c */
# endif
#endif
+/* ipset.c */
+#ifdef HAVE_IPSET
+void ipset_init(void);
+int add_to_ipset(const char *setname, const struct all_addr *ipaddr, int flags, int remove);
+#endif
+
/* helper.c */
#if defined(HAVE_SCRIPT)
int create_helper(int event_fd, int err_fd, uid_t uid, gid_t gid, long max_fd);
#ifdef HAVE_DHCP6
void dhcp6_init(void);
void dhcp6_packet(time_t now);
-int address6_allocate(struct dhcp_context *context, unsigned char *clid, int clid_len,
- int serial, struct dhcp_netid *netids, struct in6_addr *ans);
+struct dhcp_context *address6_allocate(struct dhcp_context *context, unsigned char *clid, int clid_len,
+ 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 in6_addr *taddr,
- struct dhcp_netid *netids);
-struct dhcp_context *narrow_context6(struct dhcp_context *context,
- struct in6_addr *taddr,
- struct dhcp_netid *netids);
+ struct dhcp_netid *netids,
+ int plain_range);
+struct dhcp_context *address6_valid(struct dhcp_context *context,
+ struct in6_addr *taddr,
+ struct dhcp_netid *netids,
+ int plain_range);
struct dhcp_config *find_config6(struct dhcp_config *configs,
struct dhcp_context *context,
unsigned char *duid, int duid_len,
struct dhcp_config *config_find_by_address6(struct dhcp_config *configs, struct in6_addr *net,
int prefix, u64 addr);
void make_duid(time_t now);
+void dhcp_construct_contexts(time_t now);
#endif
/* rfc3315.c */
void log_tags(struct dhcp_netid *netid, u32 xid);
int match_bytes(struct dhcp_opt *o, unsigned char *p, int len);
void dhcp_update_configs(struct dhcp_config *configs);
-void check_dhcp_hosts(int fatal);
void display_opts(void);
-u16 lookup_dhcp_opt(int prot, char *name);
-u16 lookup_dhcp_len(int prot, u16 val);
+int lookup_dhcp_opt(int prot, char *name);
+int lookup_dhcp_len(int prot, int val);
char *option_string(int prot, unsigned int opt, unsigned char *val,
int opt_len, char *buf, int buf_len);
#ifdef HAVE_LINUX_NETWORK
#endif
# ifdef HAVE_DHCP6
void display_opts6(void);
-void join_multicast(void);
# endif
+void log_context(int family, struct dhcp_context *context);
#endif
/* outpacket.c */
/* radv.c */
#ifdef HAVE_DHCP6
void ra_init(time_t now);
-void icmp6_packet(void);
+void icmp6_packet(time_t now);
time_t periodic_ra(time_t now);
void ra_start_unsolicted(time_t now, struct dhcp_context *context);
#endif
/* slaac.c */
#ifdef HAVE_DHCP6
-void build_subnet_map(void);
void slaac_add_addrs(struct dhcp_lease *lease, time_t now, int force);
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 schedule_subnet_map(void);
#endif
projects / people / ms / dnsmasq.git / blobdiff