76 lines
2.9 KiB
Plaintext
76 lines
2.9 KiB
Plaintext
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#-------------------------------
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# Global options
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#-------------------------------
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authoritative;
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option domain-name "example.net";
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option domain-name-servers 192.168.110.10;
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option routers 192.168.110.10;
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default-lease-time 86400; # 24 hours.
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max-lease-time 604800; # 7 days.
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lease-file-name "/var/lib/dhcp/dhcpd.leases";
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#-------------------------------
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# Subnet
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#-------------------------------
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subnet 192.168.110.0 netmask 255.255.255.0 {
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range 192.168.110.100 192.168.110.199;
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}
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#-------------------------------
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# Fixed address
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#-------------------------------
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host party {
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hardware ethernet 00:0C:29:14:6E:24;
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fixed-address 192.168.110.12;
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}
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host work {
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hardware ethernet 00:0c:29:0a:83:af;
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fixed-address 192.168.110.3;
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}
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#-------------------------------
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# Dynamic DNS
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#-------------------------------
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on commit {
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set noname = concat("dhcp-", binary-to-ascii(10, 8, "-", leased-address));
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set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
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set ClientDHCID = concat (
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,1,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,2,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,3,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,4,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,5,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,6,1))),2)
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);
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set ClientName = pick-first-value(option host-name, config-option host-name, client-name, noname);
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#log(concat("Commit: IP: ", ClientIP, " DHCID: ", ClientDHCID, " Name: ", ClientName));
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execute("/usr/local/bin/dhcp-dyndns.sh", "add", ClientIP, ClientDHCID, ClientName);
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}
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on release {
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set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
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set ClientDHCID = concat (
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,1,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,2,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,3,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,4,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,5,1))),2), ":",
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suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,6,1))),2)
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);
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#log(concat("Release: IP: ", ClientIP));
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execute("/usr/local/bin/dhcp-dyndns.sh", "delete", ClientIP, ClientDHCID);
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}
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on expiry {
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set ClientIP = binary-to-ascii(10, 8, ".", leased-address);
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# cannot get a ClientMac here, apparently this only works when actually receiving a packet
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#log(concat("Expired: IP: ", ClientIP));
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# cannot get a ClientName here, for some reason that always fails
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# however the dhcp update script will obtain the short hostname.
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execute("/usr/local/bin/dhcp-dyndns.sh", "delete", ClientIP, "", "0");
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}
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