I've run into a DHCP server that doesn't send these unless they are
requested.
---
sdhcp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sdhcp.c b/sdhcp.c
index 1fcf5e6..7e3f7f5 100644
--- a/sdhcp.c
+++ b/sdhcp.c
@@ -267,6 +267,7 @@ hnoptput(unsigned char *p, int opt, uint32_t data, size_t
len)
static void
dhcpsend(int type, int how)
{
+ static unsigned char params[] = { OBmask, OBrouter, OBdnsserver };
unsigned char *ip, *p;
memset(&bp, 0, sizeof(bp));
@@ -290,6 +291,7 @@ dhcpsend(int type, int how)
/* memcpy(bp.ciaddr, client, sizeof bp.ciaddr); */
p = optput(p, ODipaddr, client, sizeof(client));
p = optput(p, ODserverid, server, sizeof(server));
+ p = optput(p, ODparams, params, sizeof(params));
break;
case DHCPrelease:
memcpy(bp.ciaddr, client, sizeof(client));
--
2.20.1
