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dhcpv6: send NotOnLink status on global level
[project/odhcpd.git]
/
src
/
dhcpv6-ia.c
diff --git
a/src/dhcpv6-ia.c
b/src/dhcpv6-ia.c
index
5e34b5c
..
25c11d7
100644
(file)
--- a/
src/dhcpv6-ia.c
+++ b/
src/dhcpv6-ia.c
@@
-933,6
+933,8
@@
ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
char hostname[256];
size_t hostname_len = 0;
bool class_oro = false;
char hostname[256];
size_t hostname_len = 0;
bool class_oro = false;
+ bool notonlink = false;
+
dhcpv6_for_each_option(start, end, otype, olen, odata) {
if (otype == DHCPV6_OPT_CLIENTID) {
clid_data = odata;
dhcpv6_for_each_option(start, end, otype, olen, odata) {
if (otype == DHCPV6_OPT_CLIENTID) {
clid_data = odata;
@@
-1182,8
+1184,7
@@
ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
}
} else if (hdr->msg_type == DHCPV6_MSG_CONFIRM && ia_addr_present) {
// Send NOTONLINK for CONFIRM with addr present so that clients restart connection
}
} else if (hdr->msg_type == DHCPV6_MSG_CONFIRM && ia_addr_present) {
// Send NOTONLINK for CONFIRM with addr present so that clients restart connection
- status = DHCPV6_STATUS_NOTONLINK;
- ia_response_len = append_reply(buf, buflen, status, ia, a, iface, true);
+ notonlink = true;
}
buf += ia_response_len;
}
buf += ia_response_len;
@@
-1191,13
+1192,14
@@
ssize_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
response_len += ia_response_len;
}
response_len += ia_response_len;
}
- if (hdr->msg_type == DHCPV6_MSG_RELEASE && response_len + 6 < buflen) {
+ if ((hdr->msg_type == DHCPV6_MSG_RELEASE || hdr->msg_type == DHCPV6_MSG_DECLINE || notonlink) &&
+ response_len + 6 < buflen) {
buf[0] = 0;
buf[1] = DHCPV6_OPT_STATUS;
buf[2] = 0;
buf[3] = 2;
buf[4] = 0;
buf[0] = 0;
buf[1] = DHCPV6_OPT_STATUS;
buf[2] = 0;
buf[3] = 2;
buf[4] = 0;
- buf[5] = DHCPV6_STATUS_OK;
+ buf[5] =
(notonlink) ? DHCPV6_STATUS_NOTONLINK :
DHCPV6_STATUS_OK;
response_len += 6;
}
response_len += 6;
}