treewide: add netlink file

[project/odhcpd.git] / src / odhcpd.h

diff --git a/src/odhcpd.h b/src/odhcpd.h
index 531a0ff..0ae36c3 100644 (file)
--- a/src/odhcpd.h
+++ b/src/odhcpd.h
@@ -16,11 +16,10 @@
 #include <netinet/in.h>
 #include <netinet/icmp6.h>
 #include <netinet/ether.h>
 #include <netinet/in.h>
 #include <netinet/icmp6.h>
 #include <netinet/ether.h>

-#include <net/if.h>

 #include <stdbool.h>
 #include <syslog.h>
 
 #include <stdbool.h>
 #include <syslog.h>
 

-#include "libubox/blobmsg.h"
+#include <libubox/blobmsg.h>

 
 #ifndef typeof
 #define typeof __typeof
 
 #ifndef typeof
 #define typeof __typeof


@@ -31,8 +30,8 @@
     (type *)( (char *)ptr - offsetof(type,member) ))
 #endif
 
     (type *)( (char *)ptr - offsetof(type,member) ))
 #endif
 

-#include "libubox/list.h"
-#include "libubox/uloop.h"
+#include <libubox/list.h>
+#include <libubox/uloop.h>

 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 


@@ -41,8 +40,7 @@
 #define ND_OPT_RECURSIVE_DNS 25
 #define ND_OPT_DNS_SEARCH 31
 
 #define ND_OPT_RECURSIVE_DNS 25
 #define ND_OPT_DNS_SEARCH 31
 

-#define RELAYD_BUFFER_SIZE 8192
-#define RELAYD_MAX_PREFIXES 8
+#define INFINITE_VALID(x) ((x) == 0)

 
 #define _unused __attribute__((unused))
 #define _packed __attribute__((packed))
 
 #define _unused __attribute__((unused))
 #define _packed __attribute__((packed))


@@ -54,36 +52,57 @@
 #define ALL_IPV6_ROUTERS {{{0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}}}
 
 #define ALL_IPV6_ROUTERS {{{0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}}}
 

+#define IN6_IS_ADDR_ULA(a) (((a)->s6_addr32[0] & htonl(0xfe000000)) == htonl(0xfc000000))

 
 struct interface;
 
 struct interface;

+struct nl_sock;

 extern struct list_head leases;
 
 struct odhcpd_event {
        struct uloop_fd uloop;
        void (*handle_dgram)(void *addr, void *data, size_t len,
 extern struct list_head leases;
 
 struct odhcpd_event {
        struct uloop_fd uloop;
        void (*handle_dgram)(void *addr, void *data, size_t len,

-                       struct interface *iface);
+                       struct interface *iface, void *dest_addr);
+       void (*handle_error)(struct odhcpd_event *e, int error);
+       void (*recv_msgs)(struct odhcpd_event *e);

 };
 
 };
 

+union if_addr {
+       struct in_addr in;
+       struct in6_addr in6;
+};

 
 struct odhcpd_ipaddr {
 
 struct odhcpd_ipaddr {

-       struct in6_addr addr;
+       union if_addr addr;

        uint8_t prefix;
        uint32_t preferred;
        uint32_t valid;
        uint8_t prefix;
        uint32_t preferred;
        uint32_t valid;

+
+       /* ipv6 only */
+       uint8_t dprefix;
+
+       /* ipv4 only */
+       struct in_addr broadcast;

 };
 
 enum odhcpd_mode {
 };
 
 enum odhcpd_mode {

-       RELAYD_DISABLED,
-       RELAYD_SERVER,
-       RELAYD_RELAY,
-       RELAYD_HYBRID
+       MODE_DISABLED,
+       MODE_SERVER,
+       MODE_RELAY,
+       MODE_HYBRID

 };
 
 
 };
 
 

+enum odhcpd_assignment_flags {
+       OAF_BOUND       = (1 << 0),
+       OAF_STATIC      = (1 << 1),
+};
+

 struct config {
        bool legacy;
 struct config {
        bool legacy;

+       bool main_dhcpv4;

        char *dhcp_cb;
        char *dhcp_statefile;
        char *dhcp_cb;
        char *dhcp_statefile;

+       int log_level;

 } config;
 
 
 } config;
 
 


@@ -94,6 +113,7 @@ struct lease {
        struct ether_addr mac;
        uint16_t duid_len;
        uint8_t *duid;
        struct ether_addr mac;
        uint16_t duid_len;
        uint8_t *duid;

+       uint32_t dhcpv4_leasetime;

        char hostname[];
 };
 
        char hostname[];
 };
 


@@ -102,20 +122,35 @@ struct interface {
        struct list_head head;
 
        int ifindex;
        struct list_head head;
 
        int ifindex;

-       char ifname[IF_NAMESIZE];
-       char name[IF_NAMESIZE];
-       bool inuse;
+       char *ifname;
+       const char *name;
+
+       // IPv6 runtime data
+       struct odhcpd_ipaddr *ia_addr;
+       size_t ia_addr_len;

 
 

-       // Runtime data
+       // RA runtime data

        struct uloop_timeout timer_rs;
        struct uloop_timeout timer_rs;

+
+       // DHCPv6 runtime data
+       struct odhcpd_event dhcpv6_event;

        struct list_head ia_assignments;
        struct list_head ia_assignments;

-       struct odhcpd_ipaddr ia_addr[8];
-       size_t ia_addr_len;
-       bool ia_reconf;

 
 

-       // DHCPv4
+       // NDP runtime data
+       struct odhcpd_event ndp_event;
+
+       // IPv4 runtime data
+       struct odhcpd_ipaddr *addr4;
+       size_t addr4_len;
+
+       // DHCPv4 runtime data

        struct odhcpd_event dhcpv4_event;
        struct list_head dhcpv4_assignments;
        struct odhcpd_event dhcpv4_event;
        struct list_head dhcpv4_assignments;

+       struct list_head dhcpv4_fr_ips;
+
+       // Managed PD
+       char dhcpv6_pd_manager[128];
+       struct in6_addr dhcpv6_pd_cer;

 
        // Services
        enum odhcpd_mode ra;
 
        // Services
        enum odhcpd_mode ra;


@@ -124,25 +159,43 @@ struct interface {
        enum odhcpd_mode dhcpv4;
 
        // Config
        enum odhcpd_mode dhcpv4;
 
        // Config

+       bool inuse;

        bool external;
        bool master;
        bool ignore;
        bool always_rewrite_dns;
        bool external;
        bool master;
        bool ignore;
        bool always_rewrite_dns;

-       bool deprecate_ula_if_public_avail;

        bool ra_not_onlink;
        bool ra_not_onlink;

+       bool ra_advrouter;
+       bool ra_useleasetime;

        bool no_dynamic_dhcp;
 
        bool no_dynamic_dhcp;
 

+       // RA

        int learn_routes;
        int default_router;
        int learn_routes;
        int default_router;

-       int managed;
+       int ra_managed;

        int route_preference;
        int route_preference;

+       int ra_maxinterval;
+       int ra_mininterval;
+       int ra_lifetime;
+       uint32_t ra_reachabletime;
+       uint32_t ra_retranstime;
+       uint32_t ra_hoplimit;
+       int ra_mtu;

 
        // DHCPv4
        struct in_addr dhcpv4_start;
        struct in_addr dhcpv4_end;
 
        // DHCPv4
        struct in_addr dhcpv4_start;
        struct in_addr dhcpv4_end;

+       struct in_addr dhcpv4_start_ip;
+       struct in_addr dhcpv4_end_ip;
+       struct in_addr dhcpv4_local;
+       struct in_addr dhcpv4_bcast;
+       struct in_addr dhcpv4_mask;
+       struct in_addr *dhcpv4_router;
+       size_t dhcpv4_router_cnt;

        struct in_addr *dhcpv4_dns;
        size_t dhcpv4_dns_cnt;
        uint32_t dhcpv4_leasetime;
        struct in_addr *dhcpv4_dns;
        size_t dhcpv4_dns_cnt;
        uint32_t dhcpv4_leasetime;

+       bool dhcpv4_forcereconf;

 
        // DNS
        struct in6_addr *dns;
 
        // DNS
        struct in6_addr *dns;


@@ -150,59 +203,86 @@ struct interface {
        uint8_t *search;
        size_t search_len;
 
        uint8_t *search;
        size_t search_len;
 

-       char* static_ndp;
-       size_t static_ndp_len;
+       // DHCPV6
+       void *dhcpv6_raw;
+       size_t dhcpv6_raw_len;
+       bool dhcpv6_assignall;

 
        char *upstream;
        size_t upstream_len;
 
        char *upstream;
        size_t upstream_len;

+
+       char *filter_class;

 };
 
 extern struct list_head interfaces;
 
 };
 
 extern struct list_head interfaces;
 

-#define RELAYD_MANAGED_MFLAG   1
-#define RELAYD_MANAGED_NO_AFLAG        2
+#define RA_MANAGED_NO_MFLAG    0
+#define RA_MANAGED_MFLAG       1
+#define RA_MANAGED_NO_AFLAG    2

 
 
 // Exported main functions
 
 
 // Exported main functions

-int odhcpd_open_rtnl(void);

 int odhcpd_register(struct odhcpd_event *event);
 int odhcpd_register(struct odhcpd_event *event);

+int odhcpd_deregister(struct odhcpd_event *event);
+void odhcpd_process(struct odhcpd_event *event);

 
 ssize_t odhcpd_send(int socket, struct sockaddr_in6 *dest,
                struct iovec *iov, size_t iov_len,
                const struct interface *iface);
 
 ssize_t odhcpd_send(int socket, struct sockaddr_in6 *dest,
                struct iovec *iov, size_t iov_len,
                const struct interface *iface);

-ssize_t odhcpd_get_interface_addresses(int ifindex,
-               struct odhcpd_ipaddr *addrs, size_t cnt);
+int odhcpd_get_interface_dns_addr(const struct interface *iface,
+               struct in6_addr *addr);

 struct interface* odhcpd_get_interface_by_name(const char *name);
 struct interface* odhcpd_get_interface_by_name(const char *name);

-int odhcpd_get_interface_mtu(const char *ifname);
+int odhcpd_get_interface_config(const char *ifname, const char *what);

 int odhcpd_get_mac(const struct interface *iface, uint8_t mac[6]);
 struct interface* odhcpd_get_interface_by_index(int ifindex);
 struct interface* odhcpd_get_master_interface(void);
 int odhcpd_get_mac(const struct interface *iface, uint8_t mac[6]);
 struct interface* odhcpd_get_interface_by_index(int ifindex);
 struct interface* odhcpd_get_master_interface(void);

-void odhcpd_urandom(void *data, size_t len);
-void odhcpd_setup_route(const struct in6_addr *addr, int prefixlen,
-               const struct interface *iface, const struct in6_addr *gw, bool add);
+int odhcpd_urandom(void *data, size_t len);

 
 void odhcpd_run(void);
 time_t odhcpd_time(void);
 ssize_t odhcpd_unhexlify(uint8_t *dst, size_t len, const char *src);
 void odhcpd_hexlify(char *dst, const uint8_t *src, size_t len);
 
 
 void odhcpd_run(void);
 time_t odhcpd_time(void);
 ssize_t odhcpd_unhexlify(uint8_t *dst, size_t len, const char *src);
 void odhcpd_hexlify(char *dst, const uint8_t *src, size_t len);
 

-int config_parse_interface(struct blob_attr *b, const char *iname, bool overwrite);
+int odhcpd_bmemcmp(const void *av, const void *bv, size_t bits);
+void odhcpd_bmemcpy(void *av, const void *bv, size_t bits);
+
+int odhcpd_netmask2bitlen(bool v6, void *mask);
+bool odhcpd_bitlen2netmask(bool v6, unsigned int bits, void *mask);
+
+int config_parse_interface(void *data, size_t len, const char *iname, bool overwrite);
+
+void dhcpv4_addr_update(struct interface *iface);

 
 #ifdef WITH_UBUS
 
 #ifdef WITH_UBUS

-int init_ubus(void);
+int ubus_init(void);

 const char* ubus_get_ifname(const char *name);
 void ubus_apply_network(void);
 bool ubus_has_prefix(const char *name, const char *ifname);
 #endif
 
 const char* ubus_get_ifname(const char *name);
 void ubus_apply_network(void);
 bool ubus_has_prefix(const char *name, const char *ifname);
 #endif
 

+struct nl_sock *netlink_create_socket(int protocol);
+ssize_t netlink_get_interface_addrs(int ifindex, bool v6,
+               struct odhcpd_ipaddr **addrs);
+int netlink_setup_route(const struct in6_addr *addr, const int prefixlen,
+               const struct interface *iface, const struct in6_addr *gw,
+               const uint32_t metric, const bool add);
+int netlink_setup_proxy_neigh(const struct in6_addr *addr,
+               const struct interface *iface, const bool add);
+int netlink_setup_addr(struct odhcpd_ipaddr *addr,
+               const struct interface *iface, const bool v6,
+               const bool add);
+

 
 // Exported module initializers
 
 // Exported module initializers

-int init_router(void);
-int init_dhcpv6(void);
-int init_dhcpv4(void);
-int init_ndp(void);
-
-int setup_router_interface(struct interface *iface, bool enable);
-int setup_dhcpv6_interface(struct interface *iface, bool enable);
-int setup_ndp_interface(struct interface *iface, bool enable);
-int setup_dhcpv4_interface(struct interface *iface, bool enable);
+int netlink_init(void);
+int router_init(void);
+int dhcpv6_init(void);
+int dhcpv4_init(void);
+int ndp_init(void);
+
+int router_setup_interface(struct interface *iface, bool enable);
+int dhcpv6_setup_interface(struct interface *iface, bool enable);
+int ndp_setup_interface(struct interface *iface, bool enable);
+int dhcpv4_setup_interface(struct interface *iface, bool enable);
+
+void odhcpd_reload(void);