This looks like a bug. The code is written not to accept the names of
options that can't be set directly, like hostname, and that's carried
over onto dhcp-match, which uses the same parsing code, but should
accept all option names.
I think (but I've not actually tested0 that just using the option number
will function, as a workaround.
dhcp-match=set:winpe, 12, minint-
I'll fix the bug in the next release.
Cheers,
Simon.
On 26/02/13 14:35, Benedikt Hochstrasser wrote:
(dnsmasq 2.63 here)
Hi list,
I am currently setting up a small-time staging system for Windows
clients. dnsmasq is to serve PXE requests (which boot a windows PE
image) and DHCP requests from the aforementioned PE image, but should
ignore everything else.
Now, all Windows clients request their addresses with a vendor id
"MSFT", so I cannot ignore all "MSFT" clients. But all PE images
generate a host name in the form of "minint-abcdef" which is supplied in
the DHCPDISCOVER message. So I just have to catch the client-supplied
host name and tag it accordingly, right?
In an earlier post
(<http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2012q3/006206.html>)
it was discussed how to wildcard-match host names, but when I enter
dhcp-match=set:winpe, option:hostname, minint-
I get "dnsmasq: bad dhcp-option at line xyz"
If I use
dhcp-match=set:winpe, option:domain-name, minint-
then I get no error, but of course I won't get an address as the client
is only supplying the hostname (option 12) and not a domain name. (I
also tried host-name, "12" and every other option I could think of. It
just fails when I use the option "hostname" which, according to line 459
in dhcp-common.c, is the one I should use.) I also ran wireshark and the
client is indeed supplying option 12.
What am I doing wrong?
(here's my config)
filterwin2k
interface=em0
domain=staging.local,172.16.0.0/24 <http://172.16.0.0/24>
# Common options
dhcp-option=19,0
dhcp-option=44,0.0.0.0
dhcp-option=45,0.0.0.0
dhcp-option=46,8
dhcp-lease-max=150
log-queries
log-dhcp
# PXE Clients
dhcp-vendorclass=set:pxe,PXEClient
dhcp-range=tag:pxe,172.16.0.150,172.16.0.199,2h
dhcp-boot=tag:pxe,pxelinux.bin,nas4free,172.16.0.100
# Windows Clients
dhcp-vendorclass=set:msft,MSFT
dhcp-match=set:winpe, option:hostname, minint- # <----- Syntax error
here
dhcp-ignore=tag:!pxe,tag:!winpe
dhcp-range=tag:winpe,172.16.0.200,172.16.0.249,2h
dhcp-option=vendor:MSFT,1,2i
dhcp-option=vendor:MSFT,2,1i
Stumped in Zurich,
--
Ben
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