diff options
Diffstat (limited to 'accel-pppd')
| -rw-r--r-- | accel-pppd/ipv6/nd.c | 114 |
1 files changed, 96 insertions, 18 deletions
diff --git a/accel-pppd/ipv6/nd.c b/accel-pppd/ipv6/nd.c index 07b0d2a..1ef9bf7 100644 --- a/accel-pppd/ipv6/nd.c +++ b/accel-pppd/ipv6/nd.c @@ -21,16 +21,27 @@ #define MAX_DNS_COUNT 3 -static int conf_init_ra = 3; -static int conf_init_ra_interval = 1; -static int conf_ra_interval = 60; -static int conf_router_lifetime = 300; -static int conf_rdnss_lifetime = 300; +static int conf_init_ra = 5; +static int conf_init_ra_interval = 3; +static int conf_rdnss_lifetime; static struct in6_addr conf_dns[MAX_DNS_COUNT]; static int conf_dns_count; static void *conf_dnssl; static int conf_dnssl_size; -static int conf_managed; + +static int conf_MaxRtrAdvInterval = 600; +static int conf_MinRtrAdvInterval; +static int conf_AdvManagedFlag; +static int conf_AdvOtherConfigFlag; +static int conf_AdvLinkMTU; +static int conf_AdvReachableTime; +static int conf_AdvRetransTimer; +static int conf_AdvCurHopLimit = 64; +static int conf_AdvDefaultLifetime; +static int conf_AdvPrefixValidLifetime = 2592000; +static int conf_AdvPrefixPreferredLifetime = 604800; +static int conf_AdvPrefixAutonomousFlag; + #undef ND_OPT_ROUTE_INFORMATION #define ND_OPT_ROUTE_INFORMATION 24 @@ -100,12 +111,13 @@ static void ipv6_nd_send_ra(struct ipv6_nd_handler_t *h, struct sockaddr_in6 *ad memset(adv, 0, sizeof(*adv)); adv->nd_ra_type = ND_ROUTER_ADVERT; - adv->nd_ra_curhoplimit = 64; - adv->nd_ra_router_lifetime = htons(conf_router_lifetime); + adv->nd_ra_curhoplimit = conf_AdvCurHopLimit; + adv->nd_ra_router_lifetime = htons(conf_AdvDefaultLifetime); adv->nd_ra_flags_reserved = - conf_managed ? ND_RA_FLAG_MANAGED | ND_RA_FLAG_OTHER : 0; - //adv->nd_ra_reachable = 0; - //adv->nd_ra_retransmit = 0; + (conf_AdvManagedFlag ? ND_RA_FLAG_MANAGED : 0) | + (conf_AdvOtherConfigFlag ? ND_RA_FLAG_OTHER : 0); + adv->nd_ra_reachable = htonl(conf_AdvReachableTime); + adv->nd_ra_retransmit = htonl(conf_AdvRetransTimer); pinfo = (struct nd_opt_prefix_info *)(adv + 1); list_for_each_entry(a, &h->ppp->ipv6->addr_list, entry) { @@ -116,9 +128,9 @@ static void ipv6_nd_send_ra(struct ipv6_nd_handler_t *h, struct sockaddr_in6 *ad pinfo->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION; pinfo->nd_opt_pi_len = 4; pinfo->nd_opt_pi_prefix_len = a->prefix_len; - pinfo->nd_opt_pi_flags_reserved = ND_OPT_PI_FLAG_ONLINK | ((a->flag_auto || !conf_managed) ? ND_OPT_PI_FLAG_AUTO : 0); - pinfo->nd_opt_pi_valid_time = 0xffffffff; - pinfo->nd_opt_pi_preferred_time = 0xffffffff; + pinfo->nd_opt_pi_flags_reserved = ND_OPT_PI_FLAG_ONLINK | ((a->flag_auto || conf_AdvPrefixAutonomousFlag) ? ND_OPT_PI_FLAG_AUTO : 0); + pinfo->nd_opt_pi_valid_time = htonl(conf_AdvPrefixValidLifetime); + pinfo->nd_opt_pi_preferred_time = htonl(conf_AdvPrefixPreferredLifetime); memcpy(&pinfo->nd_opt_pi_prefix, &a->addr, 8); pinfo++; } @@ -177,7 +189,7 @@ static void send_ra_timer(struct triton_timer_t *t) addr.sin6_scope_id = h->ppp->ifindex; if (h->ra_sent++ == conf_init_ra) { - h->timer.period = conf_ra_interval * 1000; + h->timer.period = conf_MaxRtrAdvInterval * 1000; triton_timer_mod(t, 0); } @@ -408,7 +420,7 @@ static void add_dnssl(const char *val) conf_dnssl_size += n; } -static void load_config(void) +static void load_dns(void) { struct conf_sect_t *s = conf_get_section("ipv6-dns"); struct conf_option_t *opt; @@ -428,6 +440,11 @@ static void load_config(void) add_dnssl(opt->val); continue; } + + if (!strcmp(opt->name, "lifetime")) { + conf_rdnss_lifetime = atoi(opt->val); + continue; + } if (!strcmp(opt->name, "dns") || !opt->val) { if (conf_dns_count == MAX_DNS_COUNT) @@ -442,14 +459,75 @@ static void load_config(void) } } +static void load_config(void) +{ + const char *opt; + + opt = conf_get_opt("ipv6-nd", "MaxRtrAdvInterval"); + if (opt) + conf_MaxRtrAdvInterval = atoi(opt); + + conf_MinRtrAdvInterval = 0.33 * conf_MaxRtrAdvInterval; + conf_AdvDefaultLifetime = 3 * conf_MaxRtrAdvInterval; + + conf_AdvManagedFlag = triton_module_loaded("ipv6_dhcp"); + conf_AdvOtherConfigFlag = triton_module_loaded("ipv6_dhcp"); + conf_AdvPrefixAutonomousFlag = !conf_AdvManagedFlag; + conf_rdnss_lifetime = conf_MaxRtrAdvInterval; + + opt = conf_get_opt("ipv6-nd", "MinRtrAdvInterval"); + if (opt) + conf_MinRtrAdvInterval = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvManagedFlag"); + if (opt) + conf_AdvManagedFlag = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvOtherConfigFlag"); + if (opt) + conf_AdvOtherConfigFlag = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvLinkMTU"); + if (opt) + conf_AdvLinkMTU = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvReachableTime"); + if (opt) + conf_AdvReachableTime = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvRetransTimer"); + if (opt) + conf_AdvRetransTimer = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvCurHopLimit"); + if (opt) + conf_AdvCurHopLimit = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvDefaultLifetime"); + if (opt) + conf_AdvDefaultLifetime = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvValidLifetime"); + if (opt) + conf_AdvPrefixValidLifetime = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvPreferredLifetime"); + if (opt) + conf_AdvPrefixPreferredLifetime = atoi(opt); + + opt = conf_get_opt("ipv6-nd", "AdvAutonomousFlag"); + if (opt) + conf_AdvPrefixAutonomousFlag = atoi(opt); + + load_dns(); +} + static void init(void) { buf_pool = mempool_create(BUF_SIZE); load_config(); - conf_managed = triton_module_loaded("ipv6_dhcp"); - triton_event_register_handler(EV_CONFIG_RELOAD, (triton_event_func)load_config); triton_event_register_handler(EV_PPP_STARTED, (triton_event_func)ev_ppp_started); triton_event_register_handler(EV_PPP_FINISHING, (triton_event_func)ev_ppp_finishing); |