diff options
Diffstat (limited to 'proto/radv')
| -rw-r--r-- | proto/radv/Makefile | 9 | ||||
| -rw-r--r-- | proto/radv/config.Y | 33 | ||||
| -rw-r--r-- | proto/radv/packets.c | 26 | ||||
| -rw-r--r-- | proto/radv/radv.c | 54 | ||||
| -rw-r--r-- | proto/radv/radv.h | 11 |
5 files changed, 75 insertions, 58 deletions
diff --git a/proto/radv/Makefile b/proto/radv/Makefile index efc4d4af..05317eff 100644 --- a/proto/radv/Makefile +++ b/proto/radv/Makefile @@ -1,5 +1,6 @@ -source=radv.c packets.c -root-rel=../../ -dir-name=proto/radv +src := packets.c radv.c +obj := $(src-o-files) +$(all-daemon) +$(cf-local) -include ../../Rules +tests_objs := $(tests_objs) $(src-o-files)
\ No newline at end of file diff --git a/proto/radv/config.Y b/proto/radv/config.Y index da300667..b5f4b5f2 100644 --- a/proto/radv/config.Y +++ b/proto/radv/config.Y @@ -41,6 +41,7 @@ CF_ADDTO(proto, radv_proto) radv_proto_start: proto_start RADV { this_proto = proto_config_new(&proto_radv, $1); + init_list(&RADV_CFG->patt_list); init_list(&RADV_CFG->pref_list); init_list(&RADV_CFG->rdnss_list); @@ -49,15 +50,12 @@ radv_proto_start: proto_start RADV radv_proto_item: proto_item + | proto_channel | INTERFACE radv_iface | PREFIX radv_prefix { add_tail(&RADV_CFG->pref_list, NODE this_radv_prefix); } | RDNSS { init_list(&radv_dns_list); } radv_rdnss { add_tail_list(&RADV_CFG->rdnss_list, &radv_dns_list); } | DNSSL { init_list(&radv_dns_list); } radv_dnssl { add_tail_list(&RADV_CFG->dnssl_list, &radv_dns_list); } - | TRIGGER prefix { - RADV_CFG->trigger_prefix = $2.addr; - RADV_CFG->trigger_pxlen = $2.len; - RADV_CFG->trigger_valid = 1; - } + | TRIGGER net_ip6 { RADV_CFG->trigger = $2; } ; radv_proto_opts: @@ -93,14 +91,14 @@ radv_iface_item: | MIN DELAY expr { RADV_IFACE->min_delay = $3; if ($3 <= 0) cf_error("Min delay must be positive"); } | MANAGED bool { RADV_IFACE->managed = $2; } | OTHER CONFIG bool { RADV_IFACE->other_config = $3; } - | LINK MTU expr { RADV_IFACE->link_mtu = $3; if ($3 < 0) cf_error("Link MTU must be 0 or positive"); } - | REACHABLE TIME expr { RADV_IFACE->reachable_time = $3; if (($3 < 0) || ($3 > 3600000)) cf_error("Reachable time must be in range 0-3600000"); } - | RETRANS TIMER expr { RADV_IFACE->retrans_timer = $3; if ($3 < 0) cf_error("Retrans timer must be 0 or positive"); } - | CURRENT HOP LIMIT expr { RADV_IFACE->current_hop_limit = $4; if (($4 < 0) || ($4 > 255)) cf_error("Current hop limit must be in range 0-255"); } + | LINK MTU expr { RADV_IFACE->link_mtu = $3; } + | REACHABLE TIME expr { RADV_IFACE->reachable_time = $3; if ($3 > 3600000) cf_error("Reachable time must be in range 0-3600000"); } + | RETRANS TIMER expr { RADV_IFACE->retrans_timer = $3; } + | CURRENT HOP LIMIT expr { RADV_IFACE->current_hop_limit = $4; if ($4 > 255) cf_error("Current hop limit must be in range 0-255"); } | DEFAULT LIFETIME expr radv_sensitive { RADV_IFACE->default_lifetime = $3; - if (($3 < 0) || ($3 > 9000)) cf_error("Default lifetime must be in range 0-9000"); - if ($4 != -1) RADV_IFACE->default_lifetime_sensitive = $4; + if ($3 > 9000) cf_error("Default lifetime must be in range 0-9000"); + if ($4 != (uint) -1) RADV_IFACE->default_lifetime_sensitive = $4; } | DEFAULT PREFERENCE radv_preference { RADV_IFACE->default_preference = $3; } | PREFIX radv_prefix { add_tail(&RADV_IFACE->pref_list, NODE this_radv_prefix); } @@ -127,7 +125,7 @@ radv_iface_finish: if ((ic->min_ra_int > 3) && (ic->min_ra_int > (ic->max_ra_int * 3 / 4))) - cf_error("Min RA interval must be at most 3/4 * Max RA interval %d %d", ic->min_ra_int, ic->max_ra_int); + cf_error("Min RA interval must be at most 3/4 * Max RA interval"); if ((ic->default_lifetime > 0) && (ic->default_lifetime < ic->max_ra_int)) cf_error("Default lifetime must be either 0 or at least Max RA interval"); @@ -148,11 +146,10 @@ radv_iface: radv_iface_start iface_patt_list_nopx radv_iface_opt_list radv_iface_finish; -radv_prefix_start: prefix +radv_prefix_start: net_ip6 { this_radv_prefix = cfg_allocz(sizeof(struct radv_prefix_config)); - RADV_PREFIX->prefix = $1.addr; - RADV_PREFIX->pxlen = $1.len; + RADV_PREFIX->prefix = *(net_addr_ip6 *) &($1); RADV_PREFIX->onlink = 1; RADV_PREFIX->autonomous = 1; @@ -166,13 +163,11 @@ radv_prefix_item: | AUTONOMOUS bool { RADV_PREFIX->autonomous = $2; } | VALID LIFETIME expr radv_sensitive { RADV_PREFIX->valid_lifetime = $3; - if ($3 < 0) cf_error("Valid lifetime must be 0 or positive"); - if ($4 != -1) RADV_PREFIX->valid_lifetime_sensitive = $4; + if ($4 != (uint) -1) RADV_PREFIX->valid_lifetime_sensitive = $4; } | PREFERRED LIFETIME expr radv_sensitive { RADV_PREFIX->preferred_lifetime = $3; - if ($3 < 0) cf_error("Preferred lifetime must be 0 or positive"); - if ($4 != -1) RADV_PREFIX->preferred_lifetime_sensitive = $4; + if ($4 != (uint) -1) RADV_PREFIX->preferred_lifetime_sensitive = $4; } ; diff --git a/proto/radv/packets.c b/proto/radv/packets.c index 1c9837a4..15ca5738 100644 --- a/proto/radv/packets.c +++ b/proto/radv/packets.c @@ -38,7 +38,7 @@ struct radv_opt_prefix u32 valid_lifetime; u32 preferred_lifetime; u32 reserved; - ip_addr prefix; + ip6_addr prefix; }; #define OPT_PX_ONLINK 0x80 @@ -58,7 +58,7 @@ struct radv_opt_rdnss u8 length; u16 reserved; u32 lifetime; - ip_addr servers[]; + ip6_addr servers[]; }; struct radv_opt_dnssl @@ -90,11 +90,11 @@ radv_prefix_match(struct radv_iface *ifa, struct ifa *a) return NULL; WALK_LIST(pc, ifa->cf->pref_list) - if ((a->pxlen >= pc->pxlen) && ipa_in_net(a->prefix, pc->prefix, pc->pxlen)) + if (net_in_netX(&a->prefix, (net_addr *) &pc->prefix)) return pc; WALK_LIST(pc, cf->pref_list) - if ((a->pxlen >= pc->pxlen) && ipa_in_net(a->prefix, pc->prefix, pc->pxlen)) + if (net_in_netX(&a->prefix, (net_addr *) &pc->prefix)) return pc; return &default_prefix; @@ -109,7 +109,7 @@ radv_prepare_rdnss(struct radv_iface *ifa, list *rdnss_list, char **buf, char *b { struct radv_rdnss_config *rcf_base = rcf; struct radv_opt_rdnss *op = (void *) *buf; - int max_i = (bufend - *buf - sizeof(struct radv_opt_rdnss)) / sizeof(ip_addr); + int max_i = (bufend - *buf - sizeof(struct radv_opt_rdnss)) / sizeof(ip6_addr); int i = 0; if (max_i < 1) @@ -123,20 +123,19 @@ radv_prepare_rdnss(struct radv_iface *ifa, list *rdnss_list, char **buf, char *b else op->lifetime = htonl(rcf->lifetime); - while(NODE_VALID(rcf) && + while(NODE_VALID(rcf) && (rcf->lifetime == rcf_base->lifetime) && (rcf->lifetime_mult == rcf_base->lifetime_mult)) { if (i >= max_i) goto too_much; - op->servers[i] = rcf->server; - ipa_hton(op->servers[i]); + op->servers[i] = ip6_hton(rcf->server); i++; rcf = NODE_NEXT(rcf); } - + op->length = 1+2*i; *buf += 8 * op->length; } @@ -273,6 +272,9 @@ radv_prepare_ra(struct radv_iface *ifa) struct ifa *addr; WALK_LIST(addr, ifa->iface->addrs) { + if (addr->prefix.type != NET_IP6) + continue; + struct radv_prefix_config *pc; pc = radv_prefix_match(ifa, addr); @@ -288,7 +290,7 @@ radv_prepare_ra(struct radv_iface *ifa) struct radv_opt_prefix *op = (void *) buf; op->type = OPT_PREFIX; op->length = 4; - op->pxlen = addr->pxlen; + op->pxlen = net6_pxlen(&addr->prefix); op->flags = (pc->onlink ? OPT_PX_ONLINK : 0) | (pc->autonomous ? OPT_PX_AUTONOMOUS : 0); op->valid_lifetime = (p->active || !pc->valid_lifetime_sensitive) ? @@ -296,8 +298,7 @@ radv_prepare_ra(struct radv_iface *ifa) op->preferred_lifetime = (p->active || !pc->preferred_lifetime_sensitive) ? htonl(pc->preferred_lifetime) : 0; op->reserved = 0; - op->prefix = addr->prefix; - ipa_hton(op->prefix); + op->prefix = ip6_hton(net6_prefix(&addr->prefix)); buf += sizeof(*op); } @@ -409,6 +410,7 @@ radv_sk_open(struct radv_iface *ifa) { sock *sk = sk_new(ifa->ra->p.pool); sk->type = SK_IP; + sk->subtype = SK_IPV6; sk->dport = ICMPV6_PROTO; sk->saddr = ifa->addr->ip; diff --git a/proto/radv/radv.c b/proto/radv/radv.c index 91f9853d..b4b1bc58 100644 --- a/proto/radv/radv.c +++ b/proto/radv/radv.c @@ -143,7 +143,7 @@ find_lladdr(struct iface *iface) { struct ifa *a; WALK_LIST(a, iface->addrs) - if (a->scope == SCOPE_LINK) + if ((a->prefix.type == NET_IP6) && (a->scope == SCOPE_LINK)) return a; return NULL; @@ -256,11 +256,16 @@ radv_ifa_notify(struct proto *P, unsigned flags UNUSED, struct ifa *a) radv_iface_notify(ifa, RA_EV_CHANGE); } -static inline int radv_net_match_trigger(struct radv_config *cf, net *n) +static inline int +radv_trigger_valid(struct radv_config *cf) { - return cf->trigger_valid && - (n->n.pxlen == cf->trigger_pxlen) && - ipa_equal(n->n.prefix, cf->trigger_prefix); + return cf->trigger.type != 0; +} + +static inline int +radv_net_match_trigger(struct radv_config *cf, net *n) +{ + return radv_trigger_valid(cf) && net_equal(n->n.addr, &cf->trigger); } int @@ -276,7 +281,7 @@ radv_import_control(struct proto *P, rte **new, ea_list **attrs UNUSED, struct l } static void -radv_rt_notify(struct proto *P, rtable *tbl UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *attrs UNUSED) +radv_rt_notify(struct proto *P, struct channel *ch UNUSED, net *n, rte *new, rte *old UNUSED, ea_list *attrs UNUSED) { struct radv_proto *p = (struct radv_proto *) P; struct radv_config *cf = (struct radv_config *) (P->cf); @@ -303,19 +308,30 @@ radv_check_active(struct radv_proto *p) { struct radv_config *cf = (struct radv_config *) (p->p.cf); - if (! cf->trigger_valid) + if (!radv_trigger_valid(cf)) return 1; - return rt_examine(p->p.table, cf->trigger_prefix, cf->trigger_pxlen, - &(p->p), p->p.cf->out_filter); + struct channel *c = p->p.main_channel; + return rt_examine(c->table, &cf->trigger, &p->p, c->out_filter); +} + +static void +radv_postconfig(struct proto_config *CF) +{ + // struct radv_config *cf = (void *) CF; + + /* Define default channel */ + if (EMPTY_LIST(CF->channels)) + channel_config_new(NULL, NET_IP6, CF); } static struct proto * -radv_init(struct proto_config *c) +radv_init(struct proto_config *CF) { - struct proto *P = proto_new(c, sizeof(struct radv_proto)); + struct proto *P = proto_new(CF); + + P->main_channel = proto_add_channel(P, proto_cf_main_channel(CF)); - P->accept_ra_types = RA_OPTIMAL; P->import_control = radv_import_control; P->rt_notify = radv_rt_notify; P->if_notify = radv_if_notify; @@ -331,7 +347,7 @@ radv_start(struct proto *P) struct radv_config *cf = (struct radv_config *) (P->cf); init_list(&(p->iface_list)); - p->active = !cf->trigger_valid; + p->active = !radv_trigger_valid(cf); return PS_UP; } @@ -356,11 +372,11 @@ radv_shutdown(struct proto *P) } static int -radv_reconfigure(struct proto *P, struct proto_config *c) +radv_reconfigure(struct proto *P, struct proto_config *CF) { struct radv_proto *p = (struct radv_proto *) P; // struct radv_config *old = (struct radv_config *) (p->cf); - struct radv_config *new = (struct radv_config *) c; + struct radv_config *new = (struct radv_config *) CF; /* * The question is why there is a reconfigure function for RAdv if @@ -370,7 +386,10 @@ radv_reconfigure(struct proto *P, struct proto_config *c) * causing nodes to temporary remove their default routes. */ - P->cf = c; /* radv_check_active() requires proper P->cf */ + if (!proto_configure_channel(P, &P->main_channel, proto_cf_main_channel(CF))) + return 0; + + P->cf = CF; /* radv_check_active() requires proper P->cf */ p->active = radv_check_active(p); struct iface *iface; @@ -427,7 +446,10 @@ radv_get_status(struct proto *P, byte *buf) struct protocol proto_radv = { .name = "RAdv", .template = "radv%d", + .channel_mask = NB_IP6, + .proto_size = sizeof(struct radv_proto), .config_size = sizeof(struct radv_config), + .postconfig = radv_postconfig, .init = radv_init, .start = radv_start, .shutdown = radv_shutdown, diff --git a/proto/radv/radv.h b/proto/radv/radv.h index 559a3f3f..35eea9ba 100644 --- a/proto/radv/radv.h +++ b/proto/radv/radv.h @@ -13,7 +13,7 @@ #include "lib/ip.h" #include "lib/lists.h" #include "lib/socket.h" -#include "lib/timer.h" +#include "sysdep/unix/timer.h" #include "lib/resource.h" #include "nest/protocol.h" #include "nest/iface.h" @@ -50,9 +50,7 @@ struct radv_config list rdnss_list; /* Global list of RDNSS configs (struct radv_rdnss_config) */ list dnssl_list; /* Global list of DNSSL configs (struct radv_dnssl_config) */ - ip_addr trigger_prefix; /* Prefix of a trigger route, if defined */ - u8 trigger_pxlen; /* Pxlen of a trigger route, if defined */ - u8 trigger_valid; /* Whether a trigger route is defined */ + net_addr trigger; /* Prefix of a trigger route, if defined */ }; struct radv_iface_config @@ -83,8 +81,7 @@ struct radv_iface_config struct radv_prefix_config { node n; - ip_addr prefix; - uint pxlen; + net_addr_ip6 prefix; u8 skip; /* Do not include this prefix to RA */ u8 onlink; /* Standard options from RFC 4861 */ @@ -100,7 +97,7 @@ struct radv_rdnss_config node n; u32 lifetime; /* Valid if lifetime_mult is 0 */ u16 lifetime_mult; /* Lifetime specified as multiple of max_ra_int */ - ip_addr server; /* IP address of recursive DNS server */ + ip6_addr server; /* IP address of recursive DNS server */ }; struct radv_dnssl_config |