Avoid updating too often if ISP spams RAs

[odhcp6c.git] / src / dhcpv6.c

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index e9e6aafe0c260394081e067191477dbb5eddacdf..f905a7836d2ba601d5b98c5a10d72e77bd53da34 100644 (file)
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -60,7 +60,7 @@ static int dhcpv6_commit_advert(void);
 static struct dhcpv6_retx dhcpv6_retx[_DHCPV6_MSG_MAX] = {
        [DHCPV6_MSG_UNKNOWN] = {false, 1, 120, "<POLL>",
                        dhcpv6_handle_reconfigure, NULL},
-       [DHCPV6_MSG_SOLICIT] = {true, 1, 3600, "SOLICIT",
+       [DHCPV6_MSG_SOLICIT] = {true, 1, 120, "SOLICIT",
                        dhcpv6_handle_advert, dhcpv6_commit_advert},
        [DHCPV6_MSG_REQUEST] = {true, 1, 30, "REQUEST",
                        dhcpv6_handle_reply, NULL},
@@ -90,9 +90,10 @@ static uint8_t reconf_key[16];
 
 
 
-int init_dhcpv6(const char *ifname, int request_pd)
+int init_dhcpv6(const char *ifname, int request_pd, int sol_timeout)
 {
        request_prefix = request_pd;
+       dhcpv6_retx[DHCPV6_MSG_SOLICIT].max_timeo = sol_timeout;
 
        sock = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC, IPPROTO_UDP);
 
@@ -598,7 +599,7 @@ static int dhcpv6_handle_advert(enum dhcpv6_msg orig,
                        dhcpv6_for_each_option(&h[1], oend, otype, olen, d) {
                                if (otype == DHCPV6_OPT_IA_PREFIX && (olen + 4) >=
                                                (uint16_t)sizeof(struct dhcpv6_ia_prefix)) {
-                                       struct dhcpv6_ia_prefix *p = (struct dhcpv6_ia_prefix*)&odata[-4];
+                                       struct dhcpv6_ia_prefix *p = (struct dhcpv6_ia_prefix*)&d[-4];
                                        have_pd = p->prefix;
                                }
                        }