dhcpv4: add support for Parameter Request List option 55

Add client "reqopts" in ubus "ipv4leases" output.

Signed-off-by: Roman Yeryomin <roman.yeryomin@ubnt.com>
Signed-off-by: Dainis Jonitis <dainis.jonitis@ubnt.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/ubus.c b/src/ubus.c
index b2e48cf..1bb8237 100644
--- a/src/ubus.c
+++ b/src/ubus.c
@@ -49,6 +49,16 @@ static int handle_dhcpv4_leases(struct ubus_context *ctx, _unused struct ubus_ob
 			blobmsg_add_string(&b, "hostname", (c->hostname) ? c->hostname : "");
 			blobmsg_add_u8(&b, "accept-reconf-nonce", c->accept_fr_nonce);
 
+			if (c->reqopts) {
+				int opt = 0;
+				int chars = 0;
+				buf = blobmsg_alloc_string_buffer(&b, "reqopts", strlen(c->reqopts) * 4 + 1);
+				for(; c->reqopts[opt]; opt++)
+					chars += snprintf(buf + chars, 6, "%u,", (uint8_t)c->reqopts[opt]);
+				buf[chars - 1] = '\0';
+				blobmsg_add_string_buffer(&b);
+			}
+
 			m = blobmsg_open_array(&b, "flags");
 			if (c->flags & OAF_BOUND)
 				blobmsg_add_string(&b, NULL, "bound");