Initial support for MAP & LW4O6 provisioning

[odhcp6c.git] / src / odhcp6c.h

diff --git a/src/odhcp6c.h b/src/odhcp6c.h
index 2c28c807d335e239e7e932a1219a78dd3b7eed51..8abb6311f945ed61b65d39b5b98bfef3eb7464a7 100644 (file)
--- a/src/odhcp6c.h
+++ b/src/odhcp6c.h
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2012-2013 Steven Barth <steven@midlink.org>
+ * Copyright (C) 2012-2014 Steven Barth <steven@midlink.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License v2 as published by
@@ -24,6 +24,15 @@
 #define ND_OPT_RECURSIVE_DNS 25
 #define ND_OPT_DNSSL 31
 
+#define DHCPV6_SOL_MAX_RT 3600
+#define DHCPV6_REQ_MAX_RT 30
+#define DHCPV6_CNF_MAX_RT 4
+#define DHCPV6_REN_MAX_RT 600
+#define DHCPV6_REB_MAX_RT 600
+#define DHCPV6_INF_MAX_RT 3600
+
+#define DEFAULT_MIN_UPDATE_INTERVAL 30
+
 enum dhcvp6_opt {
        DHCPV6_OPT_CLIENTID = 1,
        DHCPV6_OPT_SERVERID = 2,
@@ -34,15 +43,17 @@ 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_USER_CLASS = 15,
+       DHCPV6_OPT_VENDOR_CLASS = 16,
        DHCPV6_OPT_RECONF_MESSAGE = 19,
        DHCPV6_OPT_RECONF_ACCEPT = 20,
        DHCPV6_OPT_DNS_SERVERS = 23,
        DHCPV6_OPT_DNS_DOMAIN = 24,
        DHCPV6_OPT_IA_PD = 25,
        DHCPV6_OPT_IA_PREFIX = 26,
+       DHCPV6_OPT_SNTP_SERVERS = 31,
        DHCPV6_OPT_INFO_REFRESH = 32,
        DHCPV6_OPT_FQDN = 39,
        DHCPV6_OPT_NTP_SERVER = 56,
@@ -50,10 +61,27 @@ enum dhcvp6_opt {
        DHCPV6_OPT_SIP_SERVER_A = 22,
        DHCPV6_OPT_AFTR_NAME = 64,
        DHCPV6_OPT_PD_EXCLUDE = 67,
+       DHCPV6_OPT_SOL_MAX_RT = 82,
+       DHCPV6_OPT_INF_MAX_RT = 83,
 #ifdef EXT_PREFIX_CLASS
-        /* draft-bhandari-dhc-class-based-prefix, not yet standardized */
+       /* draft-bhandari-dhc-class-based-prefix, not yet standardized */
        DHCPV6_OPT_PREFIX_CLASS = EXT_PREFIX_CLASS,
 #endif
+#ifdef EXT_CER_ID
+       /* draft-donley-dhc-cer-id-option-03 */
+       DHCPV6_OPT_CER_ID = EXT_CER_ID,
+#endif
+#ifdef EXT_S46
+       /* draft-ietf-softwire-map-dhcp-07 */
+       DHCPV6_OPT_S46_RULE = EXT_S46,
+       DHCPV6_OPT_S46_BR = EXT_S46 + 1,
+       DHCPV6_OPT_S46_DMR = EXT_S46 + 2,
+       DHCPV6_OPT_S46_V4V6BIND = EXT_S46 + 3,
+       DHCPV6_OPT_S46_PORTPARAMS = EXT_S46 + 4,
+       DHCPV6_OPT_S46_CONT_MAPE = EXT_S46 + 5,
+       DHCPV6_OPT_S46_CONT_MAPT = EXT_S46 + 6,
+       DHCPV6_OPT_S46_CONT_LW = EXT_S46 + 7,
+#endif
 };
 
 enum dhcpv6_opt_npt {
@@ -88,6 +116,12 @@ enum dhcpv6_status {
        _DHCPV6_Status_Max
 };
 
+enum dhcpv6_config {
+       DHCPV6_STRICT_OPTIONS = 1,
+       DHCPV6_CLIENT_FQDN = 2,
+       DHCPV6_ACCEPT_RECONFIGURE = 4,
+};
+
 typedef int(reply_handler)(enum dhcpv6_msg orig, const int rc,
                const void *opt, const void *end);
 
@@ -151,6 +185,40 @@ struct dhcpv6_auth_reconfigure {
        uint8_t key[16];
 } _packed;
 
+struct dhcpv6_cer_id {
+       uint16_t type;
+       uint16_t len;
+       uint16_t reserved;
+       uint16_t auth_type;
+       uint8_t auth[16];
+       struct in6_addr addr;
+} _packed;
+
+struct dhcpv6_s46_portparams {
+       uint8_t offset;
+       uint8_t psid_len;
+       uint16_t psid;
+} _packed;
+
+struct dhcpv6_s46_v4v6bind {
+       struct in_addr ipv4_address;
+       uint8_t bindprefix6_len;
+       uint8_t bind_ipv6_prefix[];
+} _packed;
+
+struct dhcpv6_s46_dmr {
+       uint8_t dmr_prefix6_len;
+       uint8_t dmr_ipv6_prefix[];
+} _packed;
+
+struct dhcpv6_s46_rule {
+       uint8_t flags;
+       uint8_t ea_len;
+       uint8_t prefix4_len;
+       struct in_addr ipv4_prefix;
+       uint8_t prefix6_len;
+       uint8_t ipv6_prefix[];
+} _packed;
 
 #define dhcpv6_for_each_option(start, end, otype, olen, odata)\
        for (uint8_t *_o = (uint8_t*)(start); _o + 4 <= (uint8_t*)(end) &&\
@@ -165,7 +233,8 @@ struct dhcpv6_server_cand {
        int16_t preference;
        uint8_t duid_len;
        uint8_t duid[130];
-       struct in6_addr server_addr;
+       uint32_t sol_max_rt;
+       uint32_t inf_max_rt;
        void *ia_na;
        void *ia_pd;
        size_t ia_na_len;
@@ -182,15 +251,23 @@ enum odhcp6c_state {
        STATE_SEARCH,
        STATE_IA_NA,
        STATE_IA_PD,
+       STATE_IA_PD_INIT,
        STATE_CUSTOM_OPTS,
        STATE_SNTP_IP,
-       STATE_SNTP_FQDN,
+       STATE_NTP_IP,
+       STATE_NTP_FQDN,
        STATE_SIP_IP,
        STATE_SIP_FQDN,
        STATE_RA_ROUTE,
        STATE_RA_PREFIX,
        STATE_RA_DNS,
        STATE_AFTR_NAME,
+       STATE_VENDORCLASS,
+       STATE_USERCLASS,
+       STATE_CER,
+       STATE_S46_MAPT,
+       STATE_S46_MAPE,
+       STATE_S46_LW,
        _STATE_MAX
 };
 
@@ -225,15 +302,19 @@ struct odhcp6c_entry {
        uint32_t t1;
        uint32_t t2;
        uint16_t class;
+       uint32_t iaid;
 };
 
+struct odhcp6c_request_prefix {
+       uint32_t iaid;
+       uint16_t length;
+};
 
-int init_dhcpv6(const char *ifname, int request_pd, int sol_timeout);
+int init_dhcpv6(const char *ifname, unsigned int client_options, 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);
-void dhcpv6_clear_all_server_cand(void);
 
 int init_rtnetlink(void);
 int set_rtnetlink_addr(int ifindex, const struct in6_addr *addr,
@@ -248,11 +329,11 @@ 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_append_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);