X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=src%2Fdhcpv6.c;h=df73c86b8b0dd6bfa405681d01993f8735dd86b0;hb=abb78cacca0a98e956aebbf76f5ba9120251a7c4;hp=86f24e070bf9d5c6d4ecc66a4e2c1c12380c3d71;hpb=4369d2f0e1ab9682d677f2f8fd876329e740fb0b;p=odhcp6c.git

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 86f24e0..df73c86 100644
--- 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, 120, "SOLICIT",
+	[DHCPV6_MSG_SOLICIT] = {true, 1, 3600, "SOLICIT",
 			dhcpv6_handle_advert, dhcpv6_commit_advert},
 	[DHCPV6_MSG_REQUEST] = {true, 30, 10, "REQUEST",
 			dhcpv6_handle_reply, NULL},
@@ -381,8 +381,9 @@ int dhcpv6_request(enum dhcpv6_msg type)
 	uint64_t start = odhcp6c_get_milli_time(), round_start = start, elapsed;
 
 	// Generate transaction ID
-	uint8_t trid[3];
-	odhcp6c_random(trid, sizeof(trid));
+	uint8_t trid[3] = {0, 0, 0};
+	if (type != DHCPV6_MSG_UNKNOWN)
+		odhcp6c_random(trid, sizeof(trid));
 	ssize_t len = -1;
 	int64_t rto = 0;
 
@@ -584,7 +585,7 @@ static int dhcpv6_handle_advert(_unused enum dhcpv6_msg orig,
 		} else if (otype == DHCPV6_OPT_RECONF_ACCEPT) {
 			cand.wants_reconfigure = true;
 		} else if (otype == DHCPV6_OPT_IA_PD && request_prefix) {
-			struct dhcpv6_ia_hdr *h = (void*)odata;
+			struct dhcpv6_ia_hdr *h = (struct dhcpv6_ia_hdr*)&odata[-4];
 			uint8_t *oend = odata + olen, *d;
 			dhcpv6_for_each_option(&h[1], oend, otype, olen, d) {
 				if (otype == DHCPV6_OPT_IA_PREFIX)