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authorStas Sergeev <stsp2@yandex.ru>2023-08-29 14:14:06 +0500
committerStefano Brivio <sbrivio@redhat.com>2023-09-07 11:24:46 +0200
commit1f24d3efb4996b6bbc9a2ea4c040b230aac986a0 (patch)
tree36eced6acad5b1ac31e2eb68c8f9cf1fa79f8b2a
parentd8c4f23ecdaf59350e686b786860a41a2e4d4dda (diff)
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dhcp: support BOOTP clients
BOOTP clients do not use tagged messages for requests. As such, any message without the DHCP option 53, should be considered a BOOTP request. Link: https://bugs.passt.top/show_bug.cgi?id=72 Signed-off-by: Stas Sergeev <stsp2@yandex.ru> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
-rw-r--r--dhcp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/dhcp.c b/dhcp.c
index d04648c..c1ac95e 100644
--- a/dhcp.c
+++ b/dhcp.c
@@ -323,8 +323,8 @@ int dhcp(const struct ctx *c, const struct pool *p)
if (opts[53].c[0] == DHCPDISCOVER) {
info("DHCP: offer to discover");
opts[53].s[0] = DHCPOFFER;
- } else if (opts[53].c[0] == DHCPREQUEST) {
- info("DHCP: ack to request");
+ } else if (opts[53].c[0] == DHCPREQUEST || !opts[53].clen) {
+ info("%s: ack to request", opts[53].clen ? "DHCP" : "BOOTP");
opts[53].s[0] = DHCPACK;
} else {
return -1;