diff options
Diffstat (limited to 'dhcp.c')
| -rw-r--r-- | dhcp.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -272,6 +272,9 @@ int dhcp(struct ctx *c, struct ethhdr *eh, size_t len) if (uh->dest != htons(67)) return 0; + if (c->no_dhcp) + return 1; + mlen = len - sizeof(*eh) - iph->ihl * 4 - sizeof(*uh); if (mlen != ntohs(uh->len) - sizeof(*uh) || mlen < offsetof(struct msg, o) || @@ -305,6 +308,12 @@ int dhcp(struct ctx *c, struct ethhdr *eh, size_t len) *(unsigned long *)opts[3].s = c->gw4; *(unsigned long *)opts[54].s = c->gw4; + if (c->mtu) { + opts[26].slen = 2; + opts[26].s[0] = c->mtu / 256; + opts[26].s[1] = c->mtu % 256; + } + for (i = 0, opts[6].slen = 0; c->dns4[i]; i++) { ((uint32_t *)opts[6].s)[i] = c->dns4[i]; opts[6].slen += sizeof(uint32_t); |