X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fodhcp6c.h;h=87715214622def7044354a6fc46a78c70a35620b;hp=cfd1a53565f580cca6a179b14dcc7d33b0044747;hb=26c5d8724355b29694af684ee29b47e52129a33c;hpb=d09e94fff82440cedf04f2e0cfe1ede8a0ab0600 diff --git a/src/odhcp6c.h b/src/odhcp6c.h index cfd1a53..8771521 100644 --- a/src/odhcp6c.h +++ b/src/odhcp6c.h @@ -21,10 +21,6 @@ #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) -#ifndef SOL_NETLINK -#define SOL_NETLINK 270 -#endif - #define ND_OPT_RECURSIVE_DNS 25 #define ND_OPT_DNSSL 31 @@ -38,6 +34,7 @@ enum dhcvp6_opt { DHCPV6_OPT_ELAPSED = 8, DHCPV6_OPT_RELAY_MSG = 9, DHCPV6_OPT_AUTH = 11, + DHCPV6_OPT_UNICAST = 12, DHCPV6_OPT_STATUS = 13, DHCPV6_OPT_RAPID_COMMIT = 14, DHCPV6_OPT_RECONF_MESSAGE = 19, @@ -51,7 +48,12 @@ enum dhcvp6_opt { DHCPV6_OPT_NTP_SERVER = 56, DHCPV6_OPT_SIP_SERVER_D = 21, DHCPV6_OPT_SIP_SERVER_A = 22, + DHCPV6_OPT_AFTR_NAME = 64, DHCPV6_OPT_PD_EXCLUDE = 67, +#ifdef EXT_PREFIX_CLASS + /* draft-bhandari-dhc-class-based-prefix, not yet standardized */ + DHCPV6_OPT_PREFIX_CLASS = EXT_PREFIX_CLASS, +#endif }; enum dhcpv6_opt_npt { @@ -76,11 +78,17 @@ enum dhcpv6_msg { }; enum dhcpv6_status { + DHCPV6_Success = 0, + DHCPV6_UnspecFail = 1, DHCPV6_NoAddrsAvail = 2, + DHCPV6_NoBinding = 3, + DHCPV6_NotOnLink = 4, + DHCPV6_UseMulticast = 5, DHCPV6_NoPrefixAvail = 6, + _DHCPV6_Status_Max }; -typedef int(reply_handler)(enum dhcpv6_msg orig, +typedef int(reply_handler)(enum dhcpv6_msg orig, const int rc, const void *opt, const void *end); // retransmission strategy @@ -88,12 +96,12 @@ struct dhcpv6_retx { bool delay; uint8_t init_timeo; uint16_t max_timeo; + uint8_t max_rc; char name[8]; reply_handler *handler_reply; int(*handler_finish)(void); }; - // DHCPv6 Protocol Headers struct dhcpv6_header { uint8_t msg_type; @@ -147,7 +155,7 @@ struct dhcpv6_auth_reconfigure { #define dhcpv6_for_each_option(start, end, otype, olen, odata)\ for (uint8_t *_o = (uint8_t*)(start); _o + 4 <= (uint8_t*)(end) &&\ ((otype) = _o[0] << 8 | _o[1]) && ((odata) = (void*)&_o[4]) &&\ - ((olen) = _o[2] << 8 | _o[3]) + (odata) <= (uint8_t*)(end); \ + ((olen) = _o[2] << 8 | _o[3]); \ _o += 4 + (_o[2] << 8 | _o[3])) @@ -157,6 +165,11 @@ struct dhcpv6_server_cand { int16_t preference; uint8_t duid_len; uint8_t duid[130]; + struct in6_addr server_addr; + void *ia_na; + void *ia_pd; + size_t ia_na_len; + size_t ia_pd_len; }; @@ -177,6 +190,7 @@ enum odhcp6c_state { STATE_RA_ROUTE, STATE_RA_PREFIX, STATE_RA_DNS, + STATE_AFTR_NAME, _STATE_MAX }; @@ -189,12 +203,11 @@ struct icmp6_opt { enum dhcpv6_mode { - DHCPV6_UNKNOWN, + DHCPV6_UNKNOWN = -1, DHCPV6_STATELESS, DHCPV6_STATEFUL }; - enum odhcp6c_ia_mode { IA_MODE_NONE, IA_MODE_TRY, @@ -209,13 +222,17 @@ struct odhcp6c_entry { struct in6_addr target; uint32_t valid; uint32_t preferred; + uint32_t t1; + uint32_t t2; + uint16_t class; }; -int init_dhcpv6(const char *ifname, int request_pd); -void dhcpv6_set_ia_na_mode(enum odhcp6c_ia_mode mode); +int init_dhcpv6(const char *ifname, int request_pd, int sol_timeout); +void dhcpv6_set_ia_mode(enum odhcp6c_ia_mode na, enum odhcp6c_ia_mode pd); int dhcpv6_request(enum dhcpv6_msg type); int dhcpv6_poll_reconfigure(void); +int dhcpv6_promote_server_cand(void); int init_rtnetlink(void); int set_rtnetlink_addr(int ifindex, const struct in6_addr *addr, @@ -229,16 +246,21 @@ void script_delay_call(const char *status, int timeout); bool odhcp6c_signal_process(void); uint64_t odhcp6c_get_milli_time(void); void odhcp6c_random(void *buf, size_t len); +bool odhcp6c_is_bound(void); +bool odhcp6c_addr_in_scope(const struct in6_addr *addr); // State manipulation void odhcp6c_clear_state(enum odhcp6c_state state); void odhcp6c_add_state(enum odhcp6c_state state, const void *data, size_t len); +void odhcp6c_insert_state(enum odhcp6c_state state, size_t offset, const void *data, size_t len); size_t odhcp6c_remove_state(enum odhcp6c_state state, size_t offset, size_t len); +void* odhcp6c_move_state(enum odhcp6c_state state, size_t *len); void* odhcp6c_get_state(enum odhcp6c_state state, size_t *len); // Entry manipulation struct odhcp6c_entry* odhcp6c_find_entry(enum odhcp6c_state state, const struct odhcp6c_entry *new); -void odhcp6c_update_entry(enum odhcp6c_state state, struct odhcp6c_entry *new); -void odhcp6c_update_entry_safe(enum odhcp6c_state state, struct odhcp6c_entry *new, uint32_t safe); +bool odhcp6c_update_entry(enum odhcp6c_state state, struct odhcp6c_entry *new); +bool odhcp6c_update_entry_safe(enum odhcp6c_state state, struct odhcp6c_entry *new, uint32_t safe); void odhcp6c_expire(void); +uint32_t odhcp6c_elapsed(void);