X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=src%2Fdhcpv6.c;h=000d9993d6a991e0d98b33944522e4a71d3fd776;hb=e1540ec55e014e538a92a588675e4156a1bddabe;hp=1af5c9aeafc9d4216ba369bd9cefb85b1dbbb098;hpb=7e6eebbe7d3df2b86b36b2e0d6ae7ee65f642094;p=odhcp6c.git

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 1af5c9a..000d999 100644
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -173,9 +173,6 @@ int init_dhcpv6(const char *ifname, unsigned int options, int sol_timeout)
 			htons(DHCPV6_OPT_PD_EXCLUDE),
 			htons(DHCPV6_OPT_SOL_MAX_RT),
 			htons(DHCPV6_OPT_INF_MAX_RT),
-#ifdef EXT_PREFIX_CLASS
-			htons(DHCPV6_OPT_PREFIX_CLASS),
-#endif
 #ifdef EXT_CER_ID
 			htons(DHCPV6_OPT_CER_ID),
 #endif
@@ -328,6 +325,11 @@ static void dhcpv6_send(enum dhcpv6_msg type, uint8_t trid[3], uint32_t ecs)
 					.addr = e[j].target
 				};
 
+				if (type == DHCPV6_MSG_REQUEST) {
+					p.preferred = htonl(e[j].preferred);
+					p.valid = htonl(e[j].valid);
+				}
+
 				memcpy(ia_pd + ia_pd_len, &p, sizeof(p));
 				ia_pd_len += sizeof(p);
 
@@ -372,8 +374,14 @@ static void dhcpv6_send(enum dhcpv6_msg type, uint8_t trid[3], uint32_t ecs)
 		pa[i].type = htons(DHCPV6_OPT_IA_ADDR);
 		pa[i].len = htons(sizeof(pa[i]) - 4U);
 		pa[i].addr = e[i].target;
-		pa[i].preferred = 0;
-		pa[i].valid = 0;
+
+		if (type == DHCPV6_MSG_REQUEST) {
+			pa[i].preferred = htonl(e[i].preferred);
+			pa[i].valid = htonl(e[i].valid);
+		} else {
+			pa[i].preferred = 0;
+			pa[i].valid = 0;
+		}
 	}
 
 	ia_na = pa;
@@ -487,8 +495,8 @@ int dhcpv6_request(enum dhcpv6_msg type)
 
 	if (retx->delay) {
 		struct timespec ts = {0, 0};
-		ts.tv_nsec = dhcpv6_rand_delay(10 * DHCPV6_REQ_DELAY);
-		nanosleep(&ts, NULL);
+		ts.tv_nsec = (dhcpv6_rand_delay((10000 * DHCPV6_REQ_DELAY) / 2) + (1000 * DHCPV6_REQ_DELAY) / 2) * 1000000;
+		while (nanosleep(&ts, &ts) < 0 && errno == EINTR);
 	}
 
 	if (type == DHCPV6_MSG_UNKNOWN)
@@ -874,7 +882,7 @@ static int dhcpv6_handle_reply(enum dhcpv6_msg orig, _unused const int rc,
 {
 	uint8_t *odata;
 	uint16_t otype, olen;
-	uint32_t refresh = UINT32_MAX;
+	uint32_t refresh = 86400;
 	int ret = 1;
 	bool handled_status_codes[_DHCPV6_Status_Max] = { false, };
 
@@ -936,6 +944,10 @@ static int dhcpv6_handle_reply(enum dhcpv6_msg orig, _unused const int rc,
 				&& olen > -4 + sizeof(struct dhcpv6_ia_hdr)) {
 			struct dhcpv6_ia_hdr *ia_hdr = (void*)(&odata[-4]);
 
+			if ((na_mode == IA_MODE_NONE && otype == DHCPV6_OPT_IA_NA) ||
+			    (pd_mode == IA_MODE_NONE && otype == DHCPV6_OPT_IA_PD))
+				continue;
+
 			// Test ID
 			if (ia_hdr->iaid != htonl(1) && otype == DHCPV6_OPT_IA_NA)
 				continue;
@@ -1131,7 +1143,7 @@ static int dhcpv6_parse_ia(void *opt, void *end)
 	// Update address IA
 	dhcpv6_for_each_option(&ia_hdr[1], end, otype, olen, odata) {
 		struct odhcp6c_entry entry = {IN6ADDR_ANY_INIT, 0, 0,
-				IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0, 0};
+				IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0};
 
 		entry.iaid = ia_hdr->iaid;
 
@@ -1156,14 +1168,6 @@ static int dhcpv6_parse_ia(void *opt, void *end)
 			uint16_t stype, slen;
 			uint8_t *sdata;
 
-#ifdef EXT_PREFIX_CLASS
-			// Find prefix class, if any
-			dhcpv6_for_each_option(&prefix[1], odata + olen,
-					stype, slen, sdata)
-				if (stype == DHCPV6_OPT_PREFIX_CLASS && slen == 2)
-					entry.class = sdata[0] << 8 | sdata[1];
-#endif
-
 			// Parse PD-exclude
 			bool ok = true;
 			dhcpv6_for_each_option(odata + sizeof(*prefix) - 4U,
@@ -1202,7 +1206,7 @@ static int dhcpv6_parse_ia(void *opt, void *end)
 			}
 
 			if (ok) {
-				odhcp6c_update_entry(STATE_IA_PD, &entry);
+				odhcp6c_update_entry(STATE_IA_PD, &entry, 0, false);
 				parsed_ia++;
 			}
 
@@ -1227,17 +1231,7 @@ static int dhcpv6_parse_ia(void *opt, void *end)
 			entry.length = 128;
 			entry.target = addr->addr;
 
-#ifdef EXT_PREFIX_CLASS
-			uint16_t stype, slen;
-			uint8_t *sdata;
-			// Find prefix class, if any
-			dhcpv6_for_each_option(&addr[1], odata + olen,
-					stype, slen, sdata)
-				if (stype == DHCPV6_OPT_PREFIX_CLASS && slen == 2)
-					entry.class = sdata[0] << 8 | sdata[1];
-#endif
-
-			odhcp6c_update_entry(STATE_IA_NA, &entry);
+			odhcp6c_update_entry(STATE_IA_NA, &entry, 0, false);
 			parsed_ia++;
 		}
 	}
@@ -1356,23 +1350,8 @@ static void dhcpv6_handle_ia_status_code(const enum dhcpv6_msg orig,
 		}
 		break;
 
-	case DHCPV6_NoAddrsAvail:
-	case DHCPV6_NoPrefixAvail:
-		switch (orig) {
-		case DHCPV6_MSG_REQUEST:
-			if (*ret != 0)
-				*ret = 0;
-			break;
-		default:
-			break;
-		}
-		break;
-
-	case DHCPV6_NotOnLink:
-		// TODO handle not onlink in case of confirm
-		break;
-
 	default:
+		*ret = 0;
 		break;
 	}
 }