diff options
Diffstat (limited to 'src/router.c')
| -rw-r--r-- | src/router.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/router.c b/src/router.c index bc22829..5d254fd 100644 --- a/src/router.c +++ b/src/router.c @@ -20,6 +20,7 @@ #include <stdlib.h> #include <unistd.h> #include <stdbool.h> +#include <arpa/inet.h> #include <net/route.h> #include "router.h" @@ -261,6 +262,9 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add adv.h.nd_ra_router_lifetime = htons(iface->default_router); else if (parse_routes(addrs, ipcnt)) adv.h.nd_ra_router_lifetime = htons(1); + + syslog(LOG_DEBUG, "Initial router lifetime %d, %d address(es) available", + ntohs(adv.h.nd_ra_router_lifetime), ipcnt); } // Construct Prefix Information options @@ -273,8 +277,15 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add for (ssize_t i = 0; i < ipcnt; ++i) { struct odhcpd_ipaddr *addr = &addrs[i]; - if (addr->prefix > 96 || addr->valid <= (uint32_t)now) - continue; // Address not suitable + + if (addr->prefix > 96 || addr->valid <= (uint32_t)now) { + char namebuf[INET6_ADDRSTRLEN]; + + inet_ntop(AF_INET6, addr, namebuf, sizeof(namebuf)); + syslog(LOG_DEBUG, "Address %s (prefix %d, valid %u) not suitable", + namebuf, addr->prefix, addr->valid); + continue; + } struct nd_opt_prefix_info *p = NULL; for (size_t i = 0; i < cnt; ++i) { @@ -300,9 +311,12 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add this_lifetime = UINT16_MAX; if (((addr->addr.s6_addr[0] & 0xfe) != 0xfc || iface->default_router) && adv.h.nd_ra_router_lifetime - && ntohs(adv.h.nd_ra_router_lifetime) < this_lifetime) + && ntohs(adv.h.nd_ra_router_lifetime) < this_lifetime) { adv.h.nd_ra_router_lifetime = htons(this_lifetime); + syslog(LOG_DEBUG, "Updating router lifetime to %d", this_lifetime); + } + odhcpd_bmemcpy(&p->nd_opt_pi_prefix, &addr->addr, (iface->ra_advrouter) ? 128 : addr->prefix); p->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION; |