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Diffstat (limited to 'src/dhcpv6-ia.c')
-rw-r--r--src/dhcpv6-ia.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/src/dhcpv6-ia.c b/src/dhcpv6-ia.c
index 59d93b2..4e30faa 100644
--- a/src/dhcpv6-ia.c
+++ b/src/dhcpv6-ia.c
@@ -34,6 +34,10 @@
#include <arpa/inet.h>
#include <sys/timerfd.h>
+#define ADDR_ENTRY_VALID_IA_ADDR(iface, i, m, addrs) \
+ ((iface)->managed == RELAYD_MANAGED_NO_AFLAG || (i) == (m) || \
+ (addrs)[(i)].prefix > 64)
+
static void free_dhcpv6_assignment(struct dhcpv6_assignment *c);
static void reconf_timer(struct uloop_timeout *event);
static struct uloop_timeout reconf_event = {.cb = reconf_timer};
@@ -275,9 +279,9 @@ void dhcpv6_write_statefile(void)
size_t m = elect_addr(addrs, addrlen);
for (size_t i = 0; i < addrlen; ++i) {
- if (!valid_addr(&addrs[i], now) || (!INFINITE_VALID(c->valid_until) && c->valid_until <= now) ||
- (iface->managed < RELAYD_MANAGED_NO_AFLAG && i != m &&
- addrs[i].prefix <= 64))
+ if (!valid_addr(&addrs[i], now) ||
+ (!INFINITE_VALID(c->valid_until) && c->valid_until <= now) ||
+ !ADDR_ENTRY_VALID_IA_ADDR(iface, i, m, addrs))
continue;
addr = addrs[i].addr;
@@ -758,11 +762,9 @@ static size_t append_reply(uint8_t *buf, size_t buflen, uint16_t status,
n.addr.s6_addr32[3] = htonl(a->assigned);
size_t entrlen = sizeof(n) - 4;
- if (iface->managed < RELAYD_MANAGED_NO_AFLAG && i != m &&
- addrs[i].prefix <= 64)
- continue;
-
- if (datalen + entrlen + 4 > buflen || a->assigned == 0)
+ if (!ADDR_ENTRY_VALID_IA_ADDR(iface, i, m, addrs) ||
+ a->assigned == 0 ||
+ datalen + entrlen + 4 > buflen)
continue;
memcpy(buf + datalen, &n, sizeof(n));
@@ -926,6 +928,7 @@ static void dhcpv6_log(uint8_t msgtype, struct interface *iface, time_t now,
struct odhcpd_ipaddr *addrs = (a->managed) ? a->managed : iface->ia_addr;
size_t addrlen = (a->managed) ? (size_t)a->managed_size : iface->ia_addr_len;
size_t lbsize = 0;
+ size_t m = elect_addr(addrs, addrlen);
char addrbuf[INET6_ADDRSTRLEN];
for (size_t i = 0; i < addrlen; ++i) {
@@ -934,8 +937,13 @@ static void dhcpv6_log(uint8_t msgtype, struct interface *iface, time_t now,
struct in6_addr addr = addrs[i].addr;
int prefix = a->managed ? addrs[i].prefix : a->length;
- if (prefix == 128)
+ if (prefix == 128) {
+ if (!ADDR_ENTRY_VALID_IA_ADDR(iface, i, m, addrs) ||
+ a->assigned == 0)
+ continue;
+
addr.s6_addr32[3] = htonl(a->assigned);
+ }
else
addr.s6_addr32[1] |= htonl(a->assigned);