| version 2.73 |
| Fix crash at startup when an empty suffix is supplied to |
| --conf-dir, also trivial memory leak. Thanks to |
| Tomas Hozza for spotting this. |
| |
| Remove floor of 4096 on advertised EDNS0 packet size when |
| DNSSEC in use, the original rationale for this has long gone. |
| Thanks to Anders Kaseorg for spotting this. |
| |
| Use inotify for checking on updates to /etc/resolv.conf and |
| friends under Linux. This fixes race conditions when the files are |
| updated rapidly and saves CPU by noy polling. |
| |
| Fix breakage of --domain=<domain>,<subnet>,local - only reverse |
| queries were intercepted. THis appears to have been broken |
| since 2.69. Thanks to Josh Stone for finding the bug. |
| |
| Eliminate IPv6 privacy addresses and deprecated addresses from |
| the answers given by --interface-name. Note that reverse queries |
| (ie looking for names, given addresses) are not affected. |
| Thanks to Michael Gorbach for the suggestion. |
| |
| Fix crash in DNSSEC code with long RRs. Thanks to Marco Davids |
| for the bug report. |
| |
| Add --ignore-address option. Ignore replies to A-record |
| queries which include the specified address. No error is |
| generated, dnsmasq simply continues to listen for another |
| reply. This is useful to defeat blocking strategies which |
| rely on quickly supplying a forged answer to a DNS |
| request for certain domains, before the correct answer can |
| arrive. Thanks to Glen Huang for the patch. |
| |
| Revisit the part of DNSSEC validation which determines if an |
| unsigned answer is legit, or is in some part of the DNS |
| tree which should be signed. Dnsmasq now works from the |
| DNS root downward looking for the limit of signed |
| delegations, rather than working bottom up. This is |
| both more correct, and less likely to trip over broken |
| nameservers in the unsigned parts of the DNS tree |
| which don't respond well to DNSSEC queries. |
| |
| Add --log-queries=extra option, which makes logs easier |
| to search automatically. |
| |
| Add --min-cache-ttl option. I've resisted this for a long |
| time, on the grounds that disbelieving TTLs is never a |
| good idea, but I've been persuaded that there are |
| sometimes reasons to do it. (Step forward, GFW). |
| To avoid misuse, there's a hard limit on the TTL |
| floor of one hour. Thansk to RinSatsuki for the patch. |
| |
| Cope with multiple interfaces with the same link-local |
| address. (IPv6 addresses are scoped, so this is allowed.) |
| Thanks to Cory Benfield for help with this. |
| |
| Add --dhcp-hostsdir. This allows addition of new host |
| configurations to a running dnsmasq instance much more |
| cheaply than having dnsmasq re-read all its existing |
| configuration each time. |
| |
| Don't reply to DHCPv6 SOLICIT messages if we're not |
| configured to do stateful DHCPv6. Thanks to Win King Wan |
| for the patch. |
| |
| |
| version 2.72 |
| Add ra-advrouter mode, for RFC-3775 mobile IPv6 support. |
| |
| Add support for "ipsets" in *BSD, using pf. Thanks to |
| Sven Falempim for the patch. |
| |
| Fix race condition which could lock up dnsmasq when an |
| interface goes down and up rapidly. Thanks to Conrad |
| Kostecki for helping to chase this down. |
| |
| Add DBus methods SetFilterWin2KOption and SetBogusPrivOption |
| Thanks to the Smoothwall project for the patch. |
| |
| Fix failure to build against Nettle-3.0. Thanks to Steven |
| Barth for spotting this and finding the fix. |
| |
| When assigning existing DHCP leases to intefaces by comparing |
| networks, handle the case that two or more interfaces have the |
| same network part, but different prefix lengths (favour the |
| longer prefix length.) Thanks to Lung-Pin Chang for the |
| patch. |
| |
| Add a mode which detects and removes DNS forwarding loops, ie |
| a query sent to an upstream server returns as a new query to |
| dnsmasq, and would therefore be forwarded again, resulting in |
| a query which loops many times before being dropped. Upstream |
| servers which loop back are disabled and this event is logged. |
| Thanks to Smoothwall for their sponsorship of this feature. |
| |
| Extend --conf-dir to allow filtering of files. So |
| --conf-dir=/etc/dnsmasq.d,\*.conf |
| will load all the files in /etc/dnsmasq.d which end in .conf |
| |
| Fix bug when resulted in NXDOMAIN answers instead of NODATA in |
| some circumstances. |
| |
| Fix bug which caused dnsmasq to become unresponsive if it |
| failed to send packets due to a network interface disappearing. |
| Thanks to Niels Peen for spotting this. |
| |
| Fix problem with --local-service option on big-endian platforms |
| Thanks to Richard Genoud for the patch. |
| |
| |
| version 2.71 |
| Subtle change to error handling to help DNSSEC validation |
| when servers fail to provide NODATA answers for |
| non-existent DS records. |
| |
| Tweak code which removes DNSSEC records from answers when |
| not required. Fixes broken answers when additional section |
| has real records in it. Thanks to Marco Davids for the bug |
| report. |
| |
| Fix DNSSEC validation of ANY queries. Thanks to Marco Davids |
| for spotting that too. |
| |
| Fix total DNS failure and 100% CPU use if cachesize set to zero, |
| regression introduced in 2.69. Thanks to James Hunt and |
| the Ubuntu crowd for assistance in fixing this. |
| |
| |
| version 2.70 |
| Fix crash, introduced in 2.69, on TCP request when dnsmasq |
| compiled with DNSSEC support, but running without DNSSEC |
| enabled. Thanks to Manish Sing for spotting that one. |
| |
| Fix regression which broke ipset functionality. Thanks to |
| Wang Jian for the bug report. |
| |
| |
| version 2.69 |
| Implement dynamic interface discovery on *BSD. This allows |
| the contructor: syntax to be used in dhcp-range for DHCPv6 |
| on the BSD platform. Thanks to Matthias Andree for |
| valuable research on how to implement this. |
| |
| Fix infinite loop associated with some --bogus-nxdomain |
| configs. Thanks fogobogo for the bug report. |
| |
| Fix missing RA RDNS option with configuration like |
| --dhcp-option=option6:23,[::] Thanks to Tsachi Kimeldorfer |
| for spotting the problem. |
| |
| Add [fd00::] and [fe80::] as special addresses in DHCPv6 |
| options, analogous to [::]. [fd00::] is replaced with the |
| actual ULA of the interface on the machine running |
| dnsmasq, [fe80::] with the link-local address. |
| Thanks to Tsachi Kimeldorfer for championing this. |
| |
| DNSSEC validation and caching. Dnsmasq needs to be |
| compiled with this enabled, with |
| |
| make dnsmasq COPTS=-DHAVE_DNSSEC |
| |
| this add dependencies on the nettle crypto library and the |
| gmp maths library. It's possible to have these linked |
| statically with |
| |
| make dnsmasq COPTS='-DHAVE_DNSSEC -DHAVE_DNSSEC_STATIC' |
| |
| which bloats the dnsmasq binary, but saves the size of |
| the shared libraries which are much bigger. |
| |
| To enable, DNSSEC, you will need a set of |
| trust-anchors. Now that the TLDs are signed, this can be |
| the keys for the root zone, and for convenience they are |
| included in trust-anchors.conf in the dnsmasq |
| distribution. You should of course check that these are |
| legitimate and up-to-date. So, adding |
| |
| conf-file=/path/to/trust-anchors.conf |
| dnssec |
| |
| to your config is all thats needed to get things |
| working. The upstream nameservers have to be DNSSEC-capable |
| too, of course. Many ISP nameservers aren't, but the |
| Google public nameservers (8.8.8.8 and 8.8.4.4) are. |
| When DNSSEC is configured, dnsmasq validates any queries |
| for domains which are signed. Query results which are |
| bogus are replaced with SERVFAIL replies, and results |
| which are correctly signed have the AD bit set. In |
| addition, and just as importantly, dnsmasq supplies |
| correct DNSSEC information to clients which are doing |
| their own validation, and caches DNSKEY, DS and RRSIG |
| records, which significantly improve the performance of |
| downstream validators. Setting --log-queries will show |
| DNSSEC in action. |
| |
| If a domain is returned from an upstream nameserver without |
| DNSSEC signature, dnsmasq by default trusts this. This |
| means that for unsigned zone (still the majority) there |
| is effectively no cost for having DNSSEC enabled. Of course |
| this allows an attacker to replace a signed record with a |
| false unsigned record. This is addressed by the |
| --dnssec-check-unsigned flag, which instructs dnsmasq |
| to prove that an unsigned record is legitimate, by finding |
| a secure proof that the zone containing the record is not |
| signed. Doing this has costs (typically one or two extra |
| upstream queries). It also has a nasty failure mode if |
| dnsmasq's upstream nameservers are not DNSSEC capable. |
| Without --dnssec-check-unsigned using such an upstream |
| server will simply result in not queries being validated; |
| with --dnssec-check-unsigned enabled and a |
| DNSSEC-ignorant upstream server, _all_ queries will fail. |
| |
| Note that DNSSEC requires that the local time is valid and |
| accurate, if not then DNSSEC validation will fail. NTP |
| should be running. This presents a problem for routers |
| without a battery-backed clock. To set the time needs NTP |
| to do DNS lookups, but lookups will fail until NTP has run. |
| To address this, there's a flag, --dnssec-no-timecheck |
| which disables the time checks (only) in DNSSEC. When dnsmasq |
| is started and the clock is not synced, this flag should |
| be used. As soon as the clock is synced, SIGHUP dnsmasq. |
| The SIGHUP clears the cache of partially-validated data and |
| resets the no-timecheck flag, so that all DNSSEC checks |
| henceforward will be complete. |
| |
| The development of DNSSEC in dnsmasq was started by |
| Giovanni Bajo, to whom huge thanks are owed. It has been |
| supported by Comcast, whose techfund grant has allowed for |
| an invaluable period of full-time work to get it to |
| a workable state. |
| |
| Add --rev-server. Thanks to Dave Taht for suggesting this. |
| |
| Add --servers-file. Allows dynamic update of upstream servers |
| full access to configuration. |
| |
| Add --local-service. Accept DNS queries only from hosts |
| whose address is on a local subnet, ie a subnet for which |
| an interface exists on the server. This option |
| only has effect if there are no --interface --except-interface, |
| --listen-address or --auth-server options. It is intended |
| to be set as a default on installation, to allow |
| unconfigured installations to be useful but also safe from |
| being used for DNS amplification attacks. |
| |
| Fix crashes in cache_get_cname_target() when dangling CNAMEs |
| encountered. Thanks to Andy and the rt-n56u project for |
| find this and helping to chase it down. |
| |
| Fix wrong RCODE in authoritative DNS replies to PTR queries. The |
| correct answer was included, but the RCODE was set to NXDOMAIN. |
| Thanks to Craig McQueen for spotting this. |
| |
| Make statistics available as DNS queries in the .bind TLD as |
| well as logging them. |
| |
| |
| version 2.68 |
| Use random addresses for DHCPv6 temporary address |
| allocations, instead of algorithmically determined stable |
| addresses. |
| |
| Fix bug which meant that the DHCPv6 DUID was not available |
| in DHCP script runs during the lifetime of the dnsmasq |
| process which created the DUID de-novo. Once the DUID was |
| created and stored in the lease file and dnsmasq |
| restarted, this bug disappeared. |
| |
| Fix bug introduced in 2.67 which could result in erroneous |
| NXDOMAIN returns to CNAME queries. |
| |
| Fix build failures on MacOS X and openBSD. |
| |
| Allow subnet specifications in --auth-zone to be interface |
| names as well as address literals. This makes it possible |
| to configure authoritative DNS when local address ranges |
| are dynamic and works much better than the previous |
| work-around which exempted contructed DHCP ranges from the |
| IP address filtering. As a consequence, that work-around |
| is removed. Under certain circumstances, this change wil |
| break existing configuration: if you're relying on the |
| contructed-range exception, you need to change --auth-zone |
| to specify the same interface as is used to construct your |
| DHCP ranges, probably with a trailing "/6" like this: |
| --auth-zone=example.com,eth0/6 to limit the addresses to |
| IPv6 addresses of eth0. |
| |
| Fix problems when advertising deleted IPv6 prefixes. If |
| the prefix is deleted (rather than replaced), it doesn't |
| get advertised with zero preferred time. Thanks to Tsachi |
| for the bug report. |
| |
| Fix segfault with some locally configured CNAMEs. Thanks |
| to Andrew Childs for spotting the problem. |
| |
| Fix memory leak on re-reading /etc/hosts and friends, |
| introduced in 2.67. |
| |
| Check the arrival interface of incoming DNS and TFTP |
| requests via IPv6, even in --bind-interfaces mode. This |
| isn't possible for IPv4 and can generate scary warnings, |
| but as it's always possible for IPv6 (the API always |
| exists) then we should do it always. |
| |
| Tweak the rules on prefix-lengths in --dhcp-range for |
| IPv6. The new rule is that the specified prefix length |
| must be larger than or equal to the prefix length of the |
| corresponding address on the local interface. |
| |
| |
| version 2.67 |
| Fix crash if upstream server returns SERVFAIL when |
| --conntrack in use. Thanks to Giacomo Tazzari for finding |
| this and supplying the patch. |
| |
| Repair regression in 2.64. That release stopped sending |
| lease-time information in the reply to DHCPINFORM |
| requests, on the correct grounds that it was a standards |
| violation. However, this broke the dnsmasq-specific |
| dhcp_lease_time utility. Now, DHCPINFORM returns |
| lease-time only if it's specifically requested |
| (maintaining standards) and the dhcp_lease_time utility |
| has been taught to ask for it (restoring functionality). |
| |
| Fix --dhcp-match, --dhcp-vendorclass and --dhcp-userclass |
| to work with BOOTP and well as DHCP. Thanks to Peter |
| Korsgaard for spotting the problem. |
| |
| Add --synth-domain. Thanks to Vishvananda Ishaya for |
| suggesting this. |
| |
| Fix failure to compile ipset.c if old kernel headers are |
| in use. Thanks to Eugene Rudoy for pointing this out. |
| |
| Handle IPv4 interface-address labels in Linux. These are |
| often used to emulate the old IP-alias addresses. Before, |
| using --interface=eth0 would service all the addresses of |
| eth0, including ones configured as aliases, which appear |
| in ifconfig as eth0:0. Now, only addresses with the label |
| eth0 are active. This is not backwards compatible: if you |
| want to continue to bind the aliases too, you need to add |
| eg. --interface=eth0:0 to the config. |
| |
| Fix "failed to set SO_BINDTODEVICE on DHCP socket: Socket |
| operation on non-socket" error on startup with |
| configurations which have exactly one --interface option |
| and do RA but _not_ DHCPv6. Thanks to Trever Adams for the |
| bug report. |
| |
| Generalise --interface-name to cope with IPv6 addresses |
| and multiple addresses per interface per address family. |
| |
| Fix option parsing for --dhcp-host, which was generating a |
| spurious error when all seven possible items were |
| included. Thanks to Zhiqiang Wang for the bug report. |
| |
| Remove restriction on prefix-length in --auth-zone. Thanks |
| to Toke Hoiland-Jorgensen for suggesting this. |
| |
| Log when the maximum number of concurrent DNS queries is |
| reached. Thanks to Marcelo Salhab Brogliato for the patch. |
| |
| If wildcards are used in --interface, don't assume that |
| there will only ever be one available interface for DHCP |
| just because there is one at start-up. More may appear, so |
| we can't use SO_BINDTODEVICE. Thanks to Natrio for the bug |
| report. |
| |
| Increase timeout/number of retries in TFTP to accomodate |
| AudioCodes Voice Gateways doing streaming writes to flash. |
| Thanks to Damian Kaczkowski for spotting the problem. |
| |
| Fix crash with empty DHCP string options when adding zero |
| terminator. Thanks to Patrick McLean for the bug report. |
| |
| Allow hostnames to start with a number, as allowed in |
| RFC-1123. Thanks to Kyle Mestery for the patch. |
| |
| Fixes to DHCP FQDN option handling: don't terminate FQDN |
| if domain not known and allow a FQDN option with blank |
| name to request that a FQDN option is returned in the |
| reply. Thanks to Roy Marples for the patch. |
| |
| Make --clear-on-reload apply to setting upstream servers |
| via DBus too. |
| |
| When the address which triggered the construction of an |
| advertised IPv6 prefix disappears, continue to advertise |
| the prefix for up to 2 hours, with the preferred lifetime |
| set to zero. This satisfies RFC 6204 4.3 L-13 and makes |
| things work better if a prefix disappears without being |
| deprecated first. Thanks to Uwe Schindler for persuasively |
| arguing for this. |
| |
| Fix MAC address enumeration on *BSD. Thanks to Brad Smith |
| for the bug report. |
| |
| Support RFC-4242 information-refresh-time options in the |
| reply to DHCPv6 information-request. The lease time of the |
| smallest valid dhcp-range is sent. Thanks to Uwe Schindler |
| for suggesting this. |
| |
| Make --listen-address higher priority than --except-interface |
| in all circumstances. Thanks to Thomas Hood for the bugreport. |
| |
| Provide independent control over which interfaces get TFTP |
| service. If enable-tftp is given a list of interfaces, then TFTP |
| is provided on those. Without the list, the previous behaviour |
| (provide TFTP to the same interfaces we provide DHCP to) |
| is retained. Thanks to Lonnie Abelbeck for the suggestion. |
| |
| Add --dhcp-relay config option. Many thanks to vtsl.net |
| for sponsoring this development. |
| |
| Fix crash with empty tag: in --dhcp-range. Thanks to |
| Kaspar Schleiser for the bug report. |
| |
| Add "baseline" and "bloatcheck" makefile targets, for |
| revealing size changes during development. Thanks to |
| Vladislav Grishenko for the patch. |
| |
| Cope with DHCPv6 clients which send REQUESTs without |
| address options - treat them as SOLICIT with rapid commit. |
| |
| Support identification of clients by MAC address in |
| DHCPv6. When using a relay, the relay must support RFC |
| 6939 for this to work. It always works for directly |
| connected clients. Thanks to Vladislav Grishenko |
| for prompting this feature. |
| |
| Remove the rule for constructed DHCP ranges that the local |
| address must be either the first or last address in the |
| range. This was originally to avoid SLAAC addresses, but |
| we now explicitly autoconfig and privacy addresses instead. |
| |
| Update Polish translation. Thanks to Jan Psota. |
| |
| Fix problem in DHCPv6 vendorclass/userclass matching |
| code. Thanks to Tanguy Bouzeloc for the patch. |
| |
| Update Spanish transalation. Thanks to Vicente Soriano. |
| |
| Add --ra-param option. Thanks to Vladislav Grishenko for |
| inspiration on this. |
| |
| Add --add-subnet configuration, to tell upstream DNS |
| servers where the original client is. Thanks to DNSthingy |
| for sponsoring this feature. |
| |
| Add --quiet-dhcp, --quiet-dhcp6 and --quiet-ra. Thanks to |
| Kevin Darbyshire-Bryant for the initial patch. |
| |
| Allow A/AAAA records created by --interface-name to be the |
| target of --cname. Thanks to Hadmut Danisch for the |
| suggestion. |
| |
| Avoid treating a --dhcp-host which has an IPv6 address |
| as eligable for use with DHCPv4 on the grounds that it has |
| no address, and vice-versa. Thanks to Yury Konovalov for |
| spotting the problem. |
| |
| Do a better job caching dangling CNAMEs. Thanks to Yves |
| Dorfsman for spotting the problem. |
| |
| |
| version 2.66 |
| Add the ability to act as an authoritative DNS |
| server. Dnsmasq can now answer queries from the wider 'net |
| with local data, as long as the correct NS records are set |
| up. Only local data is provided, to avoid creating an open |
| DNS relay. Zone transfer is supported, to allow secondary |
| servers to be configured. |
| |
| Add "constructed DHCP ranges" for DHCPv6. This is intended |
| for IPv6 routers which get prefixes dynamically via prefix |
| delegation. With suitable configuration, stateful DHCPv6 |
| and RA can happen automatically as prefixes are delegated |
| and then deprecated, without having to re-write the |
| dnsmasq configuration file or restart the daemon. Thanks to |
| Steven Barth for extensive testing and development work on |
| this idea. |
| |
| Fix crash on startup on Solaris 11. Regression probably |
| introduced in 2.61. Thanks to Geoff Johnstone for the |
| patch. |
| |
| Add code to make behaviour for TCP DNS requests that same |
| as for UDP requests, when a request arrives for an allowed |
| address, but via a banned interface. This change is only |
| active on Linux, since the relevant API is missing (AFAIK) |
| on other platforms. Many thanks to Tomas Hozza for |
| spotting the problem, and doing invaluable discovery of |
| the obscure and undocumented API required for the solution. |
| |
| Don't send the default DHCP option advertising dnsmasq as |
| the local DNS server if dnsmasq is configured to not act |
| as DNS server, or it's configured to a non-standard port. |
| |
| Add DNSMASQ_CIRCUIT_ID, DNSMASQ_SUBCRIBER_ID, |
| DNSMASQ_REMOTE_ID variables to the environment of the |
| lease-change script (and the corresponding Lua). These hold |
| information inserted into the DHCP request by a DHCP relay |
| agent. Thanks to Lakefield Communications for providing a |
| bounty for this addition. |
| |
| Fixed crash, introduced in 2.64, whilst handling DHCPv6 |
| information-requests with some common configurations. |
| Thanks to Robert M. Albrecht for the bug report and |
| chasing the problem. |
| |
| Add --ipset option. Thanks to Jason A. Donenfeld for the |
| patch. |
| |
| Don't erroneously reject some option names in --dhcp-match |
| options. Thanks to Benedikt Hochstrasser for the bug report. |
| |
| Allow a trailing '*' wildcard in all interface-name |
| configurations. Thanks to Christian Parpart for the patch. |
| |
| Handle the situation where libc headers define |
| SO_REUSEPORT, but the kernel in use doesn't, to cope with |
| the introduction of this option to Linux. Thanks to Rich |
| Felker for the bug report. |
| |
| Update Polish translation. Thanks to Jan Psota. |
| |
| Fix crash if the configured DHCP lease limit is |
| reached. Regression occurred in 2.61. Thanks to Tsachi for |
| the bug report. |
| |
| Update the French translation. Thanks to Gildas le Nadan. |
| |
| |
| version 2.65 |
| Fix regression which broke forwarding of queries sent via |
| TCP which are not for A and AAAA and which were directed to |
| non-default servers. Thanks to Niax for the bug report. |
| |
| Fix failure to build with DHCP support excluded. Thanks to |
| Gustavo Zacarias for the patch. |
| |
| Fix nasty regression in 2.64 which completely broke cacheing. |
| |
| |
| version 2.64 |
| Handle DHCP FQDN options with all flag bits zero and |
| --dhcp-client-update set. Thanks to Bernd Krumbroeck for |
| spotting the problem. |
| |
| Finesse the check for /etc/hosts names which conflict with |
| DHCP names. Previously a name/address pair in /etc/hosts |
| which didn't match the name/address of a DHCP lease would |
| generate a warning. Now that only happesn if there is not |
| also a match. This allows multiple addresses for a name in |
| /etc/hosts with one of them assigned via DHCP. |
| |
| Fix broken vendor-option processing for BOOTP. Thanks to |
| Hans-Joachim Baader for the bug report. |
| |
| Don't report spurious netlink errors, regression in |
| 2.63. Thanks to Vladislav Grishenko for the patch. |
| |
| Flag DHCP or DHCPv6 in starup logging. Thanks to |
| Vladislav Grishenko for the patch. |
| |
| Add SetServersEx method in DBus interface. Thanks to Dan |
| Williams for the patch. |
| |
| Add SetDomainServers method in DBus interface. Thanks to |
| Roy Marples for the patch. |
| |
| Fix build with later Lua libraries. Thansk to Cristian |
| Rodriguez for the patch. |
| |
| Add --max-cache-ttl option. Thanks to Dennis Kaarsemaker |
| for the patch. |
| |
| Fix breakage of --host-record parsing, resulting in |
| infinte loop at startup. Regression in 2.63. Thanks to |
| Haim Gelfenbeyn for spotting this. |
| |
| Set SO_REUSEADDRESS and SO_V6ONLY options on the DHCPv6 |
| socket, this allows multiple instances of dnsmasq on a |
| single machine, in the same way as for DHCPv4. Thanks to |
| Gene Czarcinski and Vladislav Grishenko for work on this. |
| |
| Fix DHCPv6 to do access control correctly when it's |
| configured with --listen-address. Thanks to |
| Gene Czarcinski for sorting this out. |
| |
| Add a "wildcard" dhcp-range which works for any IPv6 |
| subnet, --dhcp-range=::,static Useful for Stateless |
| DHCPv6. Thanks to Vladislav Grishenko for the patch. |
| |
| Don't include lease-time in DHCPACK replies to DHCPINFORM |
| queries, since RFC-2131 says we shouldn't. Thanks to |
| Wouter Ibens for pointing this out. |
| |
| Makefile tweak to do dependency checking on header files. |
| Thanks to Johan Peeters for the patch. |
| |
| Check interface for outgoing unsolicited router |
| advertisements, rather than relying on interface address |
| configuration. Thanks to Gene Czarinski for the patch. |
| |
| Handle better attempts to transmit on interfaces which are |
| still doing DAD, and specifically do not just transmit |
| without setting source address and interface, since this |
| can cause very puzzling effects when a router |
| advertisement goes astray. Thanks again to Gene Czarinski. |
| |
| Get RA timers right when there is more than one |
| dhcp-range on a subnet. |
| |
| |
| version 2.63 |
| Do duplicate dhcp-host address check in --test mode. |
| |
| Check that tftp-root directories are accessible before |
| start-up. Thanks to Daniel Veillard for the initial patch. |
| |
| Allow more than one --tfp-root flag. The per-interface |
| stuff is pointless without that. |
| |
| Add --bind-dynamic. A hybrid mode between the default and |
| --bind-interfaces which copes with dynamically created |
| interfaces. |
| |
| A couple of fixes to the build system for Android. Thanks |
| to Metin Kaya for the patches. |
| |
| Remove the interface:<interface> argument in --dhcp-range, and |
| the interface argument to --enable-tftp. These were a |
| still-born attempt to allow automatic isolated |
| configuration by libvirt, but have never (to my knowledge) |
| been used, had very strange semantics, and have been |
| superceded by other mechanisms. |
| |
| Fixed bug logging filenames when duplicate dhcp-host |
| addresses are found. Thanks to John Hanks for the patch. |
| |
| Fix regression in 2.61 which broke caching of CNAME |
| chains. Thanks to Atul Gupta for the bug report. |
| |
| Allow the target of a --cname flag to be another --cname. |
| |
| Teach DHCPv6 about the RFC 4242 information-refresh-time |
| option, and add parsing if the minutes, hours and days |
| format for options. Thanks to Francois-Xavier Le Bail for |
| the suggestion. |
| |
| Allow "w" (for week) as multiplier in lease times, as well |
| as seconds, minutes, hours and days. Álvaro Gámez Machado |
| spotted the ommission. |
| |
| Update French translation. Thanks to Gildas Le Nadan. |
| |
| Allow a DBus service name to be given with --enable-dbus |
| which overrides the default, |
| uk.org.thekelleys.dnsmasq. Thanks to Mathieu |
| Trudel-Lapierre for the patch. |
| |
| Set the "prefix on-link" bit in Router |
| Advertisements. Thanks to Gui Iribarren for the patch. |
| |
| |
| version 2.62 |
| Update German translation. Thanks to Conrad Kostecki. |
| |
| Cope with router-solict packets wich don't have a valid |
| source address. Thanks to Vladislav Grishenko for the patch. |
| |
| Fixed bug which caused missing periodic router |
| advertisements with some configurations. Thanks to |
| Vladislav Grishenko for the patch. |
| |
| Fixed bug which broke DHCPv6/RA with prefix lengths |
| which are not divisible by 8. Thanks to Andre Coetzee |
| for spotting this. |
| |
| Fix non-response to router-solicitations when |
| router-advertisement configured, but DHCPv6 not |
| configured. Thanks to Marien Zwart for the patch. |
| |
| Add --dns-rr, to allow arbitrary DNS resource records. |
| |
| Fixed bug which broke RA scheduling when an interface had |
| two addresses in the same network. Thanks to Jim Bos for |
| his help nailing this. |
| |
| version 2.61 |
| Re-write interface discovery code on *BSD to use |
| getifaddrs. This is more portable, more straightforward, |
| and allows us to find the prefix length for IPv6 |
| addresses. |
| |
| Add ra-names, ra-stateless and slaac keywords for DHCPv6. |
| Dnsmasq can now synthesise AAAA records for dual-stack |
| hosts which get IPv6 addresses via SLAAC. It is also now |
| possible to use SLAAC and stateless DHCPv6, and to |
| tell clients to use SLAAC addresses as well as DHCP ones. |
| Thanks to Dave Taht for help with this. |
| |
| Add --dhcp-duid to allow DUID-EN uids to be used. |
| |
| Explicity send DHCPv6 replies to the correct port, instead |
| of relying on clients to send requests with the correct |
| source address, since at least one client in the wild gets |
| this wrong. Thanks to Conrad Kostecki for help tracking |
| this down. |
| |
| Send a preference value of 255 in DHCPv6 replies when |
| --dhcp-authoritative is in effect. This tells clients not |
| to wait around for other DHCP servers. |
| |
| Better logging of DHCPv6 options. |
| |
| Add --host-record. Thanks to Rob Zwissler for the |
| suggestion. |
| |
| Invoke the DHCP script with action "tftp" when a TFTP file |
| transfer completes. The size of the file, address to which |
| it was sent and complete pathname are supplied. Note that |
| version 2.60 introduced some script incompatibilties |
| associated with DHCPv6, and this is a further change. To |
| be safe, scripts should ignore unknown actions, and if |
| not IPv6-aware, should exit if the environment |
| variable DNSMASQ_IAID is set. The use-case for this is |
| to track netboot/install. Suggestion from Shantanu |
| Gadgil. |
| |
| Update contrib/port-forward/dnsmasq-portforward to reflect |
| the above. |
| |
| Set the environment variable DNSMASQ_LOG_DHCP when running |
| the script id --log-dhcp is in effect, so that script can |
| taylor their logging verbosity. Suggestion from Malte |
| Forkel. |
| |
| Arrange that addresses specified with --listen-address |
| work even if there is no interface carrying the |
| address. This is chiefly useful for IPv4 loopback |
| addresses, where any address in 127.0.0.0/8 is a valid |
| loopback address, but normally only 127.0.0.1 appears on |
| the lo interface. Thanks to Mathieu Trudel-Lapierre for |
| the idea and initial patch. |
| |
| Fix crash, introduced in 2.60, when a DHCPINFORM is |
| received from a network which has no valid dhcp-range. |
| Thanks to Stephane Glondu for the bug report. |
| |
| Add a new DHCP lease time keyword, "deprecated" for |
| --dhcp-range. This is only valid for IPv6, and sets the |
| preffered lease time for both DHCP and RA to zero. The |
| effect is that clients can continue to use the address |
| for existing connections, but new connections will use |
| other addresses, if they exist. This makes hitless |
| renumbering at least possible. |
| |
| Fix bug in address6_available() which caused DHCPv6 lease |
| aquisition to fail if more than one dhcp-range in use. |
| |
| Provide RDNSS and DNSSL data in router advertisements, |
| using the settings provided for DHCP options |
| option6:domain-search and option6:dns-server. |
| |
| Tweak logo/favicon.ico to add some transparency. Thanks to |
| SamLT for work on this. |
| |
| Don't cache data from non-recursive nameservers, since it |
| may erroneously look like a valid CNAME to a non-exitant |
| name. Thanks to Ben Winslow for finding this. |
| |
| Call SO_BINDTODEVICE on the DHCP socket(s) when doing DHCP |
| on exactly one interface and --bind-interfaces is set. This |
| makes the OpenStack use-case of one dnsmasq per virtual |
| interface work. This is only available on Linux; it's not |
| supported on other platforms. Thanks to Vishvananda Ishaya |
| and the OpenStack team for the suggestion. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| Give correct from-cache answers to explict CNAME queries. |
| Thanks to Rob Zwissler for spotting this. |
| |
| Add --tftp-lowercase option. Thanks to Oliver Rath for the |
| patch. |
| |
| Ensure that the DBus DhcpLeaseUpdated events are generated |
| when a lease goes through INIT_REBOOT state, even if the |
| dhcp-script is not in use. Thanks to Antoaneta-Ecaterina |
| Ene for the patch. |
| |
| Fix failure of TFTP over IPv4 on OpenBSD platform. Thanks |
| to Brad Smith for spotting this. |
| |
| |
| version 2.60 |
| Fix compilation problem in Mac OS X Lion. Thanks to Olaf |
| Flebbe for the patch. |
| |
| Fix DHCP when using --listen-address with an IP address |
| which is not the primary address of an interface. |
| |
| Add --dhcp-client-update option. |
| |
| Add Lua integration. Dnsmasq can now execute a DHCP |
| lease-change script written in Lua. This needs to be |
| enabled at compile time by setting HAVE_LUASCRIPT in |
| src/config.h or running "make COPTS=-DHAVE_LUASCRIPT" |
| Thanks to Jan-Piet Mens for the idea and proof-of-concept |
| implementation. |
| |
| Tidied src/config.h to distinguish between |
| platform-dependent compile-time options which are selected |
| automatically, and builder-selectable compile time |
| options. Document the latter better, and describe how to |
| set them from the make command line. |
| |
| Tidied up IPPROTO_IP/SOL_IP (and IPv6 equivalent) |
| confusion. IPPROTO_IP works everywhere now. |
| |
| Set TOS on DHCP sockets, this improves things on busy |
| wireless networks. Thanks to Dave Taht for the patch. |
| |
| Determine VERSION automatically based on git magic: |
| release tags or hash values. |
| |
| Improve start-up speed when reading large hosts files |
| containing many distinct addresses. |
| |
| Fix problem if dnsmasq is started without the stdin, |
| stdout and stderr file descriptors open. This can manifest |
| itself as 100% CPU use. Thanks to Chris Moore for finding |
| this. |
| |
| Fix shell-scripting bug in bld/pkg-wrapper. Thanks to |
| Mark Mitchell for the patch. |
| |
| Allow the TFP server or boot server in --pxe-service, to |
| be a domain name instead of an IP address. This allows for |
| round-robin to multiple servers, in the same way as |
| --dhcp-boot. A good suggestion from Cristiano Cumer. |
| |
| Support BUILDDIR variable in the Makefile. Allows builds |
| for multiple archs from the same source tree with eg. |
| make BUILDDIR=linux (relative to dnsmasq tree) |
| make BUILDDIR=/tmp/openbsd (absolute path) |
| If BUILDDIR is not set, compilation happens in the src |
| directory, as before. Suggestion from Mark Mitchell. |
| |
| Support DHCPv6. Support is there for the sort of things |
| the existing v4 server does, including tags, options, |
| static addresses and relay support. Missing is prefix |
| delegation, which is probably not required in the dnsmasq |
| niche, and an easy way to accept prefix delegations from |
| an upstream DHCPv6 server, which is. Future plans include |
| support for DHCPv6 router option and MAC address option |
| (to make selecting clients by MAC address work like IPv4). |
| These will be added as the standards mature. |
| This code has been tested, but this is the first release, |
| so don't bet the farm on it just yet. Many thanks to all |
| testers who have got it this far. |
| |
| Support IPv6 router advertisements. This is a |
| simple-minded implementation, aimed at providing the |
| vestigial RA needed to go alongside IPv6. Is picks up |
| configuration from the DHCPv6 conf, and should just need |
| enabling with --enable-ra. |
| |
| Fix long-standing wrinkle with --localise-queries that |
| could result in wrong answers when DNS packets arrive |
| via an interface other than the expected one. Thanks to |
| Lorenzo Milesi and John Hanks for spotting this one. |
| |
| Update French translation. Thanks to Gildas Le Nadan. |
| |
| Update Polish translation. Thanks to Jan Psota. |
| |
| |
| version 2.59 |
| Fix regression in 2.58 which caused failure to start up |
| with some combinations of dnsmasq config and IPv6 kernel |
| network config. Thanks to Brielle Bruns for the bug |
| report. |
| |
| Improve dnsmasq's behaviour when network interfaces are |
| still doing duplicate address detection (DAD). Previously, |
| dnsmasq would wait up to 20 seconds at start-up for the |
| DAD state to terminate. This is broken for bridge |
| interfaces on recent Linux kernels, which don't start DAD |
| until the bridge comes up, and so can take arbitrary |
| time. The new behaviour lets dnsmasq poll for an arbitrary |
| time whilst providing service on other interfaces. Thanks |
| to Stephen Hemminger for pointing out the problem. |
| |
| |
| version 2.58 |
| Provide a definition of the SA_SIZE macro where it's |
| missing. Fixes build failure on openBSD. |
| |
| Don't include a zero terminator at the end of messages |
| sent to /dev/log when /dev/log is a datagram socket. |
| Thanks to Didier Rabound for spotting the problem. |
| |
| Add --dhcp-sequential-ip flag, to force allocation of IP |
| addresses in ascending order. Note that the default |
| pseudo-random mode is in general better but some |
| server-deployment applications need this. |
| |
| Fix problem where a server-id of 0.0.0.0 is sent to a |
| client when a dhcp-relay is in use if a client renews a |
| lease after dnsmasq restart and before any clients on the |
| subnet get a new lease. Thanks to Mike Ruiz for assistance |
| in chasing this one down. |
| |
| Don't return NXDOMAIN to an AAAA query if we have CNAME |
| which points to an A record only: NODATA is the correct |
| reply in this case. Thanks to Tom Fernandes for spotting |
| the problem. |
| |
| Relax the need to supply a netmask in --dhcp-range for |
| networks which use a DHCP relay. Whilst this is still |
| desireable, in the absence of a netmask dnsmasq will use |
| a default based on the class (A, B, or C) of the address. |
| This should at least remove a cause of mysterious failure |
| for people using RFC1918 addresses and relays. |
| |
| Add support for Linux conntrack connection marking. If |
| enabled with --conntrack, the connection mark for incoming |
| DNS queries will be copied to the outgoing connections |
| used to answer those queries. This allows clever firewall |
| and accounting stuff. Only available if dnsmasq is |
| compiled with HAVE_CONNTRACK and adds a dependency on |
| libnetfilter-conntrack. Thanks to Ed Wildgoose for the |
| initial idea, testing and sponsorship of this function. |
| |
| Provide a sane error message when someone attempts to |
| match a tag in --dhcp-host. |
| |
| Tweak the behaviour of --domain-needed, to avoid problems |
| with recursive nameservers downstream of dnsmasq. The new |
| behaviour only stops A and AAAA queries, and returns |
| NODATA rather than NXDOMAIN replies. |
| |
| Efficiency fix for very large DHCP configurations, thanks |
| to James Gartrell and Mike Ruiz for help with this. |
| |
| Allow the TFTP-server address in --dhcp-boot to be a |
| domain-name which is looked up in /etc/hosts. This can |
| give multiple IP addresses which are used round-robin, |
| thus doing TFTP server load-balancing. Thanks to Sushil |
| Agrawal for the patch. |
| |
| When two tagged dhcp-options for a particular option |
| number are both valid, use the one which is valid without |
| a tag from the dhcp-range. Allows overriding of the value |
| of a DHCP option for a particular host as well as |
| per-network values. So |
| --dhcp-range=set:interface1,...... |
| --dhcp-host=set:myhost,..... |
| --dhcp-option=tag:interface1,option:nis-domain,"domain1" |
| --dhcp-option=tag:myhost,option:nis-domain,"domain2" |
| will set the NIS-domain to domain1 for hosts in the range, but |
| override that to domain2 for a particular host. |
| |
| Fix bug which resulted in truncated files and timeouts for |
| some TFTP transfers. The bug only occurs with netascii |
| transfers and needs an unfortunate relationship between |
| file size, blocksize and the number of newlines in the |
| last block before it manifests itself. Many thanks to |
| Alkis Georgopoulos for spotting the problem and providing |
| a comprehensive test-case. |
| |
| Fix regression in TFTP server on *BSD platforms introduced |
| in version 2.56, due to confusion with sockaddr |
| length. Many thanks to Loic Pefferkorn for finding this. |
| |
| Support scope-ids in IPv6 addresses of nameservers from |
| /etc/resolv.conf and in --server options. Eg |
| nameserver fe80::202:a412:4512:7bbf%eth0 or |
| server=fe80::202:a412:4512:7bbf%eth0. Thanks to |
| Michael Stapelberg for the suggestion. |
| |
| Update Polish translation, thanks to Jan Psota. |
| |
| Update French translation. Thanks to Gildas Le Nadan. |
| |
| |
| version 2.57 |
| Add patches to allow build under Android. |
| |
| Provide our own header for the DNS protocol, rather than |
| relying on arpa/nameser.h. This has proved more or less |
| defective over the years and the final straw is that it's |
| effectively empty on Android. |
| |
| Fix regression in 2.56 which caused hex constants in |
| configuration to be rejected if they contain the '*' |
| wildcard. |
| |
| Correct wrong casts of arguments to ctype.h functions, |
| isdigit(), isxdigit() etc. Thanks to Matthias Andree for |
| spotting this. |
| |
| Allow build with IDN support independently from i18n. |
| IDN support continues to be included automatically |
| when i18n is included. |
| 'make COPTS=-DHAVE_IDN' is the magic incantation. |
| |
| Modify check on extraneous command line junk (added in |
| 2.56) so that it doesn't complain about extra _empty_ |
| arguments. Otherwise this breaks libvirt. |
| |
| |
| version 2.56 |
| Add a patch to allow dnsmasq to get interface names right in a |
| Solaris zone. Thanks to Dj Padzensky for this. |
| |
| Improve data-type parsing heuristics so that |
| --dhcp-option=option:domain-search,. |
| treats the value as a string and not an IP address. |
| Thanks to Clemens Fischer for spotting that. |
| |
| Add IPv6 support to the TFTP server. Many thanks to Jan |
| 'RedBully' Seiffert for the patches. |
| |
| Log DNS queries at level LOG_INFO, rather then |
| LOG_DEBUG. This makes things consistent with DHCP |
| logging. Thanks to Adam Pribyl for spotting the problem. |
| |
| Ensure that dnsmasq terminates cleanly when using |
| --syslog-async even if it cannot make a connection to the |
| syslogd. |
| |
| Add --add-mac option. This is to support currently |
| experimental DNS filtering facilities. Thanks to Benjamin |
| Petrin for the orignal patch. |
| |
| Fix bug which meant that tags were ignored in dhcp-range |
| configuration specifying PXE-proxy service. Thanks to |
| Cristiano Cumer for spotting this. |
| |
| Raise an error if there is extra junk, not part of an |
| option, on the command line. |
| |
| Flag a couple of log messages in cache.c as coming from |
| the DHCP subsystem. Thanks to Olaf Westrik for the patch. |
| |
| Omit timestamps from logs when a) logging to stderr and |
| b) --keep-in-forground is set. The logging facility on the |
| other end of stderr can be assumned to supply them. Thanks |
| to John Hallam for the patch. |
| |
| Don't complain about strings longer than 255 characters in |
| --txt-record, just split the long strings into 255 |
| character chunks instead. |
| |
| Fix crash on double-free. This bug can only happen when |
| dhcp-script is in use and then only in rare circumstances |
| triggered by high DHCP transaction rate and a slow |
| script. Thanks to Ferenc Wagner for finding the problem. |
| |
| Only log that a file has been sent by TFTP after the |
| transfer has completed succesfully. |
| |
| A good suggestion from Ferenc Wagner: extend |
| the --domain option to allow this sort of thing: |
| --domain=thekelleys.org.uk,192.168.0.0/24,local |
| which automatically creates |
| --local=/thekelleys.org.uk/ |
| --local=/0.168.192.in-addr.arpa/ |
| |
| Tighten up syntax checking of hex contants in the config |
| file. Thanks to Fred Damen for spotting this. |
| |
| Add dnsmasq logo/icon, contributed by Justin Swift. Many |
| thanks for that. |
| |
| Never cache DNS replies which have the 'cd' bit set, or |
| which result from queries forwarded with the 'cd' bit |
| set. The 'cd' bit instructs a DNSSEC validating server |
| upstream to ignore signature failures and return replies |
| anyway. Without this change it's possible to pollute the |
| dnsmasq cache with bad data by making a query with the |
| 'cd' bit set and subsequent queries would return this data |
| without its being marked as suspect. Thanks to Anders |
| Kaseorg for pointing out this problem. |
| |
| Add --proxy-dnssec flag, for compliance with RFC |
| 4035. Dnsmasq will now clear the 'ad' bit in answers returned |
| from upstream validating nameservers unless this option is |
| set. |
| |
| Allow a filename of "-" for --conf-file to read |
| stdin. Suggestion from Timothy Redaelli. |
| |
| Rotate the order of SRV records in replies, to provide |
| round-robin load balancing when all the priorities are |
| equal. Thanks to Peter McKinney for the suggestion. |
| |
| Edit |
| contrib/MacOSX-launchd/uk.org.thekelleys.dnsmasq.plist |
| so that it doesn't log all queries to a file by |
| default. Thanks again to Peter McKinney. |
| |
| By default, setting an IPv4 address for a domain but not |
| an IPv6 address causes dnsmasq to return |
| an NODATA reply for IPv6 (or vice-versa). So |
| --address=/google.com/1.2.3.4 stops IPv6 queries for |
| *google.com from being forwarded. Make it possible to |
| override this behaviour by defining the sematics if the |
| same domain appears in both --server and --address. |
| In that case, the --address has priority for the address |
| family in which is appears, but the --server has priority |
| of the address family which doesn't appear in --adddress |
| So: |
| --address=/google.com/1.2.3.4 |
| --server=/google.com/# |
| will return 1.2.3.4 for IPv4 queries for *.google.com but |
| forward IPv6 queries to the normal upstream nameserver. |
| Similarly when setting an IPv6 address |
| only this will allow forwarding of IPv4 queries. Thanks to |
| William for pointing out the need for this. |
| |
| Allow more than one --dhcp-optsfile and --dhcp-hostsfile |
| and make them understand directories as arguments in the |
| same way as --addn-hosts. Suggestion from John Hanks. |
| |
| Ignore rebinding requests for leases we don't know |
| about. Rebind is broadcast, so we might get to overhear a |
| request meant for another DHCP server. NAKing this is |
| wrong. Thanks to Brad D'Hondt for assistance with this. |
| |
| Fix cosmetic bug which produced strange output when |
| dumping cache statistics with some configurations. Thanks |
| to Fedor Kozhevnikov for spotting this. |
| |
| |
| version 2.55 |
| Fix crash when /etc/ethers is in use. Thanks to |
| Gianluigi Tiesi for finding this. |
| |
| Fix crash in netlink_multicast(). Thanks to Arno Wald for |
| finding this one. |
| |
| Allow the empty domain "." in dhcp domain-search (119) |
| options. |
| |
| |
| version 2.54 |
| There is no version 2.54 to avoid confusion with 2.53, |
| which incorrectly identifies itself as 2.54. |
| |
| |
| version 2.53 |
| Fix failure to compile on Debian/kFreeBSD. Thanks to |
| Axel Beckert and Petr Salinger. |
| |
| Fix code to avoid scary strict-aliasing warnings |
| generated by gcc 4.4. |
| |
| Added FAQ entry warning about DHCP failures with Vista |
| when firewalls block 255.255.255.255. |
| |
| Fixed bug which caused bad things to happen if a |
| resolv.conf file which exists is subsequently removed. |
| Thanks to Nikolai Saoukh for the patch. |
| |
| Rationalised the DHCP tag system. Every configuration item |
| which can set a tag does so by adding "set:<tag>" and |
| every configuration item which is conditional on a tag is |
| made so by "tag:<tag>". The NOT operator changes to '!', |
| which is a bit more intuitive too. Dhcp-host directives |
| can set more than one tag now. The old '#' NOT, |
| "net:" prefix and no-prefixes are still honoured, so |
| no existing config file needs to be changed, but |
| the documentation and new-style config files should be |
| much less confusing. |
| |
| Added --tag-if to allow boolean operations on tags. |
| This allows complicated logic to be clearer and more |
| general. A great suggestion from Richard Voigt. |
| |
| Add broadcast/unicast information to DHCP logging. |
| |
| Allow --dhcp-broadcast to be unconditional. |
| |
| Fixed incorrect behaviour with NOT <tag> conditionals in |
| dhcp-options. Thanks to Max Turkewitz for assistance |
| finding this. |
| |
| If we send vendor-class encapsulated options based on the |
| vendor-class supplied by the client, and no explicit |
| vendor-class option is given, echo back the vendor-class |
| from the client. |
| |
| Fix bug which stopped dnsmasq from matching both a |
| circuitid and a remoteid. Thanks to Ignacio Bravo for |
| finding this. |
| |
| Add --dhcp-proxy, which makes it possible to configure |
| dnsmasq to use a DHCP relay agent as a full proxy, with |
| all DHCP messages passing through the proxy. This is |
| useful if the relay adds extra information to the packets |
| it forwards, but cannot be configured with the RFC 5107 |
| server-override option. |
| |
| Added interface:<iface name> part to dhcp-range. The |
| semantics of this are very odd at first sight, but it |
| allows a single line of the form |
| dhcp-range=interface:virt0,192.168.0.4,192.168.0.200 |
| to be added to dnsmasq configuration which then supplies |
| DHCP and DNS services to that interface, without affecting |
| what services are supplied to other interfaces and |
| irrespective of the existance or lack of |
| interface=<interface> |
| lines elsewhere in the dnsmasq configuration. The idea is |
| that such a line can be added automatically by libvirt |
| or equivalent systems, without disturbing any manual |
| configuration. |
| |
| Similarly to the above, allow --enable-tftp=<interface> |
| |
| Allow a TFTP root to be set separately for requests via |
| different interfaces, --tftp-root=<path>,<interface> |
| |
| Correctly handle and log clashes between CNAMES and |
| DNS names being given to DHCP leases. This fixes a bug |
| which caused nonsense IP addresses to be logged. Thanks to |
| Sergei Zhirikov for finding and analysing the problem. |
| |
| Tweak flush_log so as to avoid leaving the log |
| file in non-blocking mode. O_NONBLOCK is a property of the |
| file, not the process/descriptor. |
| |
| Fix contrib/Solaris10/create_package |
| (/usr/man -> /usr/share/man) Thanks to Vita Batrla. |
| |
| Fix a problem where, if a client got a lease, then went |
| to another subnet and got another lease, then moved back, |
| it couldn't resume the old lease, but would instead get |
| a new address. Thanks to Leonardo Rodrigues for spotting |
| this and testing the fix. |
| |
| Fix weird bug which sometimes omitted certain characters |
| from the start of quoted strings in dhcp-options. Thanks |
| to Dayton Turner for spotting the problem. |
| |
| Add facility to redirect some domains to the standard |
| upstream servers: this allows something like |
| --server=/google.com/1.2.3.4 --server=/www.google.com/# |
| which will send queries for *.google.com to 1.2.3.4, |
| except *www.google.com which will be forwarded as usual. |
| Thanks to AJ Weber for prompting this addition. |
| |
| Improve the hash-algorithm used to generate IP addresses |
| from MAC addresses during initial DHCP address |
| allocation. This improves performance when large numbers |
| of hosts with similar MAC addresses all try and get an IP |
| address at the same time. Thanks to Paul Smith for his |
| work on this. |
| |
| Tweak DHCP code so that --bridge-interface can be used to |
| select which IP alias of an interface should be used for |
| DHCP purposes on Linux. If eth0 has an alias eth0:dhcp |
| then adding --bridge-interface=eth0:dhcp,eth0 will use |
| the address of eth0:dhcp to determine the correct subnet |
| for DHCP address allocation. Thanks to Pawel Golaszewski |
| for prompting this and Eric Cooper for further testing. |
| |
| Add --dhcp-generate-names. Suggestion by Ferenc Wagner. |
| |
| Tweak DNS server selection algorithm when there is more |
| than one server available for a domain, eg. |
| --server=/mydomain/1.1.1.1 |
| --server=/mydomain/2.2.2.2 |
| Thanks to Alberto Cuesta-Canada for spotting a weakness |
| here. |
| |
| Add --max-ttl. Thanks to Fredrik Ringertz for the patch. |
| |
| Allow --log-facility=- to force all logging to |
| stderr. Suggestion from Clemens Fischer. |
| |
| Fix regression which caused configuration like |
| --address=/.domain.com/1.2.3.4 to be rejected. The dot to the |
| left of the domain has been implied and not required for a |
| long time, but it should be accepted for backward |
| compatibility. Thanks to Andrew Burcin for spotting this. |
| |
| Add --rebind-domain-ok and --rebind-localhost-ok. |
| Suggestion from Clemens Fischer. |
| |
| Log replies to queries of type TXT, when --log-queries |
| is set. |
| |
| Fix compiler warnings when compiled with -DNO_DHCP. Thanks |
| to Shantanu Gadgil for the patch. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| Updated Polish translation. Thanks to Jan Psota. |
| |
| Updated German translation. Thanks to Matthias Andree. |
| |
| Added contrib/static-arp, thanks to Darren Hoo. |
| |
| Fix corruption of the domain when a name from /etc/hosts |
| overrides one supplied by a DHCP client. Thanks to Fedor |
| Kozhevnikov for spotting the problem. |
| |
| Updated Spanish translation. Thanks to Chris Chatham. |
| |
| |
| version 2.52 |
| Work around a Linux kernel bug which insists that the |
| length of the option passed to setsockopt must be at least |
| sizeof(int) bytes, even if we're calling SO_BINDTODEVICE |
| and the device name is "lo". Note that this is fixed |
| in kernel 2.6.31, but the workaround is harmless and |
| allows earlier kernels to be used. Also fix dnsmasq |
| bug which reported the wrong address when this failed. |
| Thanks to Fedor for finding this. |
| |
| The API for IPv6 PKTINFO changed around Linux kernel |
| 2.6.14. Workaround the case where dnsmasq is compiled |
| against newer headers, but then run on an old kernel: |
| necessary for some *WRT distros. |
| |
| Re-read the set of network interfaces when re-loading |
| /etc/resolv.conf if --bind-interfaces is not set. This |
| handles the case that loopback interfaces do not exist |
| when dnsmasq is first started. |
| |
| Tweak the PXE code to support port 4011. This should |
| reduce broadcasts and make things more reliable when other |
| servers are around. It also improves inter-operability |
| with certain clients. |
| |
| Make a pxe-service configuration with no filename or boot |
| service type legal: this does a local boot. eg. |
| pxe-service=x86PC, "Local boot" |
| |
| Be more conservative in detecting "A for A" |
| queries. Dnsmasq checks if the name in a type=A query looks |
| like a dotted-quad IP address and answers the query itself |
| if so, rather than forwarding it. Previously dnsmasq |
| relied in the library function inet_addr() to convert |
| addresses, and that will accept some things which are |
| confusing in this context, like 1.2.3 or even just |
| 1234. Now we only do A for A processing for four decimal |
| numbers delimited by dots. |
| |
| A couple of tweaks to fix compilation on Solaris. Thanks |
| to Joel Macklow for help with this. |
| |
| Another Solaris compilation tweak, needed for Solaris |
| 2009.06. Thanks to Lee Essen for that. |
| |
| Added extract packaging stuff from Lee Essen to |
| contrib/Solaris10. |
| |
| Increased the default limit on number of leases to 1000 |
| (from 150). This is mainly a defence against DoS attacks, |
| and for the average "one for two class C networks" |
| installation, IP address exhaustion does that just as |
| well. Making the limit greater than the number of IP |
| addresses available in such an installation removes a |
| surprise which otherwise can catch people out. |
| |
| Removed extraneous trailing space in the value of the |
| DNSMASQ_TIME_REMAINING DNSMASQ_LEASE_LENGTH and |
| DNSMASQ_LEASE_EXPIRES environment variables. Thanks to |
| Gildas Le Nadan for spotting this. |
| |
| Provide the network-id tags for a DHCP transaction to |
| the lease-change script in the environment variable |
| DNSMASQ_TAGS. A good suggestion from Gildas Le Nadan. |
| |
| Add support for RFC3925 "Vendor-Identifying Vendor |
| Options". The syntax looks like this: |
| --dhcp-option=vi-encap:<enterprise number>, ......... |
| |
| Add support to --dhcp-match to allow matching against |
| RFC3925 "Vendor-Identifying Vendor Classes". The syntax |
| looks like this: |
| --dhcp-match=tag,vi-encap<enterprise number>, <value> |
| |
| Add some application specific code to assist in |
| implementing the Broadband forum TR069 CPE-WAN |
| specification. The details are in contrib/CPE-WAN/README |
| |
| Increase the default DNS packet size limit to 4096, as |
| recommended by RFC5625 section 4.4.3. This can be |
| reconfigured using --edns-packet-max if needed. Thanks to |
| Francis Dupont for pointing this out. |
| |
| Rewrite query-ids even for TSIG signed packets, since |
| this is allowed by RFC5625 section 4.5. |
| |
| Use getopt_long by default on OS X. It has been supported |
| since version 10.3.0. Thanks to Arek Dreyer for spotting |
| this. |
| |
| Added up-to-date startup configuration for MacOSX/launchd |
| in contrib/MacOSX-launchd. Thanks to Arek Dreyer for |
| providing this. |
| |
| Fix link error when including Dbus but excluding DHCP. |
| Thanks to Oschtan for the bug report. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| Updated Polish translation. Thanks to Jan Psota. |
| |
| Updated Spanish translation. Thanks to Chris Chatham. |
| |
| Fixed confusion about domains, when looking up DHCP hosts |
| in /etc/hosts. This could cause spurious "Ignoring |
| domain..." messages. Thanks to Fedor Kozhevnikov for |
| finding and analysing the problem. |
| |
| |
| version 2.51 |
| Add support for internationalised DNS. Non-ASCII characters |
| in domain names found in /etc/hosts, /etc/ethers and |
| /etc/dnsmasq.conf will be correctly handled by translation to |
| punycode, as specified in RFC3490. This function is only |
| available if dnsmasq is compiled with internationalisation |
| support, and adds a dependency on GNU libidn. Without i18n |
| support, dnsmasq continues to be compilable with just |
| standard tools. Thanks to Yves Dorfsman for the |
| suggestion. |
| |
| Add two more environment variables for lease-change scripts: |
| First, DNSMASQ_SUPPLIED_HOSTNAME; this is set to the hostname |
| supplied by a client, even if the actual hostname used is |
| over-ridden by dhcp-host or dhcp-ignore-names directives. |
| Also DNSMASQ_RELAY_ADDRESS which gives the address of |
| a DHCP relay, if used. |
| Suggestions from Michael Rack. |
| |
| Fix regression which broke echo of relay-agent |
| options. Thanks to Michael Rack for spotting this. |
| |
| Don't treat option 67 as being interchangeable with |
| dhcp-boot parameters if it's specified as |
| dhcp-option-force. |
| |
| Make the code to call scripts on lease-change compile-time |
| optional. It can be switched off by editing src/config.h |
| or building with "make COPTS=-DNO_SCRIPT". |
| |
| Make the TFTP server cope with filenames from Windows/DOS |
| which use '\' as pathname separator. Thanks to Ralf for |
| the patch. |
| |
| Updated Polish translation. Thanks to Jan Psota. |
| |
| Warn if an IP address is duplicated in /etc/ethers. Thanks |
| to Felix Schwarz for pointing this out. |
| |
| Teach --conf-dir to take an option list of file suffices |
| which will be ignored when scanning the directory. Useful |
| for backup files etc. Thanks to Helmut Hullen for the |
| suggestion. |
| |
| Add new DHCP option named tftpserver-address, which |
| corresponds to the third argument of dhcp-boot. This |
| allows the complete functionality of dhcp-boot to be |
| replicated with dhcp-option. Useful when using |
| dhcp-optsfile. |
| |
| Test which upstream nameserver to use every 10 seconds |
| or 50 queries and not just when a query times out and |
| is retried. This should improve performance when there |
| is a slow nameserver in the list. Thanks to Joe for the |
| suggestion. |
| |
| Don't do any PXE processing, even for clients with the |
| correct vendorclass, unless at least one pxe-prompt or |
| pxe-service option is given. This stops dnsmasq |
| interfering with proxy PXE subsystems when it is just |
| the DHCP server. Thanks to Spencer Clark for spotting this. |
| |
| Limit the blocksize used for TFTP transfers to a value |
| which avoids packet fragmentation, based on the MTU of the |
| local interface. Many netboot ROMs can't cope with |
| fragmented packets. |
| |
| Honour dhcp-ignore configuration for PXE and proxy-PXE |
| requests. Thanks to Niels Basjes for the bug report. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| |
| version 2.50 |
| Fix security problem which allowed any host permitted to |
| do TFTP to possibly compromise dnsmasq by remote buffer |
| overflow when TFTP enabled. Thanks to Core Security |
| Technologies and Iván Arce, Pablo Hernán Jorge, Alejandro |
| Pablo Rodriguez, Martín Coco, Alberto Soliño Testa and |
| Pablo Annetta. This problem has Bugtraq id: 36121 |
| and CVE: 2009-2957 |
| |
| Fix a problem which allowed a malicious TFTP client to |
| crash dnsmasq. Thanks to Steve Grubb at Red Hat for |
| spotting this. This problem has Bugtraq id: 36120 and |
| CVE: 2009-2958 |
| |
| |
| version 2.49 |
| Fix regression in 2.48 which disables the lease-change |
| script. Thanks to Jose Luis Duran for spotting this. |
| |
| Log TFTP "file not found" errors. These were not logged, |
| since a normal PXELinux boot generates many of them, but |
| the lack of the messages seems to be more confusing than |
| routinely seeing them when there is no real error. |
| |
| Update Spanish translation. Thanks to Chris Chatham. |
| |
| |
| version 2.48 |
| Archived the extensive, backwards, changelog to |
| CHANGELOG.archive. The current changelog now runs from |
| version 2.43 and runs conventionally. |
| |
| Fixed bug which broke binding of servers to physical |
| interfaces when interface names were longer than four |
| characters. Thanks to MURASE Katsunori for the patch. |
| |
| Fixed netlink code to check that messages come from the |
| correct source, and not another userspace process. Thanks |
| to Steve Grubb for the patch. |
| |
| Maintainability drive: removed bug and missing feature |
| workarounds for some old platforms. Solaris 9, OpenBSD |
| older than 4.1, Glibc older than 2.2, Linux 2.2.x and |
| DBus older than 1.1.x are no longer supported. |
| |
| Don't read included configuration files more than once: |
| allows complex configuration structures without problems. |
| |
| Mark log messages from the various subsystems in dnsmasq: |
| messages from the DHCP subsystem now have the ident string |
| "dnsmasq-dhcp" and messages from TFTP have ident |
| "dnsmasq-tftp". Thanks to Olaf Westrik for the patch. |
| |
| Fix possible infinite DHCP protocol loop when an IP |
| address nailed to a hostname (not a MAC address) and a |
| host sometimes provides the name, sometimes not. |
| |
| Allow --addn-hosts to take a directory: all the files |
| in the directory are read. Thanks to Phil Cornelius for |
| the suggestion. |
| |
| Support --bridge-interface on all platforms, not just BSD. |
| |
| Added support for advanced PXE functions. It's now |
| possible to define a prompt and menu options which will |
| be displayed when a client PXE boots. It's also possible to |
| hand-off booting to other boot servers. Proxy-DHCP, where |
| dnsmasq just supplies the PXE information and another DHCP |
| server does address allocation, is also allowed. See the |
| --pxe-prompt and --pxe-service keywords. Thanks to |
| Alkis Georgopoulos for the suggestion and Guilherme Moro |
| and Michael Brown for assistance. |
| |
| Improvements to DHCP logging. Thanks to Tom Metro for |
| useful suggestions. |
| |
| Add ability to build dnsmasq without DHCP support. To do |
| this, edit src/config.h or build with |
| "make COPTS=-DNO_DHCP". Thanks to Mahavir Jain for the patch. |
| |
| Added --test command-line switch - syntax check |
| configuration files only. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| |
| version 2.47 |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| Fixed interface enumeration code to work on NetBSD |
| 5.0. Thanks to Roy Marples for the patch. |
| |
| Updated config.h to use the same location for the lease |
| file on NetBSD as the other *BSD variants. Also allow |
| LEASEFILE and CONFFILE symbols to be overriden in CFLAGS. |
| |
| Handle duplicate address detection on IPv6 more |
| intelligently. In IPv6, an interface can have an address |
| which is not usable, because it is still undergoing DAD |
| (such addresses are marked "tentative"). Attempting to |
| bind to an address in this state returns an error, |
| EADDRNOTAVAIL. Previously, on getting such an error, |
| dnsmasq would silently abandon the address, and never |
| listen on it. Now, it retries once per second for 20 |
| seconds before generating a fatal error. 20 seconds should |
| be long enough for any DAD process to complete, but can be |
| adjusted in src/config.h if necessary. Thanks to Martin |
| Krafft for the bug report. |
| |
| Add DBus introspection. Patch from Jeremy Laine. |
| |
| Update Dbus configuration file. Patch from Colin Walters. |
| Fix for this bug: |
| http://bugs.freedesktop.org/show_bug.cgi?id=18961 |
| |
| Support arbitrarily encapsulated DHCP options, suggestion |
| and initial patch from Samium Gromoff. This is useful for |
| (eg) gPXE, which expect all its private options to be |
| encapsulated inside a single option 175. So, eg, |
| |
| dhcp-option = encap:175, 190, "iscsi-client0" |
| dhcp-option = encap:175, 191, "iscsi-client0-secret" |
| |
| will provide iSCSI parameters to gPXE. |
| |
| Enhance --dhcp-match to allow testing of the contents of a |
| client-sent option, as well as its presence. This |
| application in mind for this is RFC 4578 |
| client-architecture specifiers, but it's generally useful. |
| Joey Korkames suggested the enhancement. |
| |
| Move from using the IP_XMIT_IF ioctl to IP_BOUND_IF on |
| OpenSolaris. Thanks to Bastian Machek for the heads-up. |
| |
| No longer complain about blank lines in |
| /etc/ethers. Thanks to Jon Nelson for the patch. |
| |
| Fix binding of servers to physical devices, eg |
| --server=/domain/1.2.3.4@eth0 which was broken from 2.43 |
| onwards unless --query-port=0 set. Thanks to Peter Naulls |
| for the bug report. |
| |
| Reply to DHCPINFORM requests even when the supplied ciaddr |
| doesn't fall in any dhcp-range. In this case it's not |
| possible to supply a complete configuration, but |
| individually-configured options (eg PAC) may be useful. |
| |
| Allow the source address of an alias to be a range: |
| --alias=192.168.0.0,10.0.0.0,255.255.255.0 maps the whole |
| subnet 192.168.0.0->192.168.0.255 to 10.0.0.0->10.0.0.255, |
| as before. |
| --alias=192.168.0.10-192.168.0.40,10.0.0.0,255.255.255.0 |
| maps only the 192.168.0.10->192.168.0.40 region. Thanks to |
| Ib Uhrskov for the suggestion. |
| |
| Don't dynamically allocate DHCP addresses which may break |
| Windows. Addresses which end in .255 or .0 are broken in |
| Windows even when using supernetting. |
| --dhcp-range=192.168.0.1,192.168.1.254,255,255,254.0 means |
| 192.168.0.255 is a valid IP address, but not for Windows. |
| See Microsoft KB281579. We therefore no longer allocate |
| these addresses to avoid hard-to-diagnose problems. |
| |
| Update Polish translation. Thanks to Jan Psota. |
| |
| Delete the PID-file when dnsmasq shuts down. Note that by |
| this time, dnsmasq is normally not running as root, so |
| this will fail if the PID-file is stored in a root-owned |
| directory; such failure is silently ignored. To take |
| advantage of this feature, the PID-file must be stored in a |
| directory owned and write-able by the user running |
| dnsmasq. |
| |
| |
| version 2.46 |
| Allow --bootp-dynamic to take a netid tag, so that it may |
| be selectively enabled. Thanks to Olaf Westrik for the |
| suggestion. |
| |
| Remove ISC-leasefile reading code. This has been |
| deprecated for a long time, and last time I removed it, it |
| ended up going back by request of one user. This time, |
| it's gone for good; otherwise it would need to be |
| re-worked to support multiple domains (see below). |
| |
| Support DHCP clients in multiple DNS domains. This is a |
| long-standing request. Clients are assigned to a domain |
| based in their IP address. |
| |
| Add --dhcp-fqdn flag, which changes behaviour if DNS names |
| assigned to DHCP clients. When this is set, there must be |
| a domain associated with each client, and only |
| fully-qualified domain names are added to the DNS. The |
| advantage is that the only the FQDN needs to be unique, |
| so that two or more DHCP clients can share a hostname, as |
| long as they are in different domains. |
| |
| Set environment variable DNSMASQ_DOMAIN when invoking |
| lease-change script. This may be useful information to |
| have now that it's variable. |
| |
| Tighten up data-checking code for DNS packet |
| handling. Thanks to Steve Dodd who found certain illegal |
| packets which could crash dnsmasq. No memory overwrite was |
| possible, so this is not a security issue beyond the DoS |
| potential. |
| |
| Update example config dhcp option 47, the previous |
| suggestion generated an illegal, zero-length, |
| option. Thanks to Matthias Andree for finding this. |
| |
| Rewrite hosts-file reading code to remove the limit of |
| 1024 characters per line. John C Meuser found this. |
| |
| Create a net-id tag with the name of the interface on |
| which the DHCP request was received. |
| |
| Fixed minor memory leak in DBus code, thanks to Jeremy |
| Laine for the patch. |
| |
| Emit DBus signals as the DHCP lease database |
| changes. Thanks to Jeremy Laine for the patch. |
| |
| Allow for more that one MAC address in a dhcp-host |
| line. This configuration tells dnsmasq that it's OK to |
| abandon a DHCP lease of the fixed address to one MAC |
| address, if another MAC address in the dhcp-host statement |
| asks for an address. This is useful to give a fixed |
| address to a host which has two network interfaces |
| (say, a laptop with wired and wireless interfaces.) |
| It's very important to ensure that only one interface |
| at a time is up, since dnsmasq abandons the first lease |
| and re-uses the address before the leased time has |
| elapsed. John Gray suggested this. |
| |
| Tweak the response to a DHCP request packet with a wrong |
| server-id when --dhcp-authoritative is set; dnsmasq now |
| returns a DHCPNAK, rather than silently ignoring the |
| packet. Thanks to Chris Marget for spotting this |
| improvement. |
| |
| Add --cname option. This provides a limited alias |
| function, usable for DHCP names. Thanks to AJ Weber for |
| suggestions on this. |
| |
| Updated contrib/webmin with latest version from Neil |
| Fisher. |
| |
| Updated Polish translation. Thanks to Jan Psota. |
| |
| Correct the text names for DHCP options 64 and 65 to be |
| "nis+-domain" and "nis+-servers". |
| |
| Updated Spanish translation. Thanks to Chris Chatham. |
| |
| Force re-reading of /etc/resolv.conf when an "interface |
| up" event occurs. |
| |
| |
| version 2.45 |
| Fix total DNS failure in release 2.44 unless --min-port |
| specified. Thanks to Steven Barth and Grant Coady for |
| bugreport. Also reject out-of-range port spec, which could |
| break things too: suggestion from Gilles Espinasse. |
| |
| |
| version 2.44 |
| Fix crash when unknown client attempts to renew a DHCP |
| lease, problem introduced in version 2.43. Thanks to |
| Carlos Carvalho for help chasing this down. |
| |
| Fix potential crash when a host which doesn't have a lease |
| does DHCPINFORM. Again introduced in 2.43. This bug has |
| never been reported in the wild. |
| |
| Fix crash in netlink code introduced in 2.43. Thanks to |
| Jean Wolter for finding this. |
| |
| Change implementation of min_port to work even if min-port |
| is large. |
| |
| Patch to enable compilation of latest Mac OS X. Thanks to |
| David Gilman. |
| |
| Update Spanish translation. Thanks to Christopher Chatham. |
| |
| |
| version 2.43 |
| Updated Polish translation. Thanks to Jan Psota. |
| |
| Flag errors when configuration options are repeated |
| illegally. |
| |
| Further tweaks for GNU/kFreeBSD |
| |
| Add --no-wrap to msgmerge call - provides nicer .po file |
| format. |
| |
| Honour lease-time spec in dhcp-host lines even for |
| BOOTP. The user is assumed to known what they are doing in |
| this case. (Hosts without the time spec still get infinite |
| leases for BOOTP, over-riding the default in the |
| dhcp-range.) Thanks to Peter Katzmann for uncovering this. |
| |
| Fix problem matching relay-agent ids. Thanks to Michael |
| Rack for the bug report. |
| |
| Add --naptr-record option. Suggestion from Johan |
| Bergquist. |
| |
| Implement RFC 5107 server-id-override DHCP relay agent |
| option. |
| |
| Apply patches from Stefan Kruger for compilation on |
| Solaris 10 under Sun studio. |
| |
| Yet more tweaking of Linux capability code, to suppress |
| pointless wingeing from kernel 2.6.25 and above. |
| |
| Improve error checking during startup. Previously, some |
| errors which occurred during startup would be worked |
| around, with dnsmasq still starting up. Some were logged, |
| some silent. Now, they all cause a fatal error and dnsmasq |
| terminates with a non-zero exit code. The errors are those |
| associated with changing uid and gid, setting process |
| capabilities and writing the pidfile. Thanks to Uwe |
| Gansert and the Suse security team for pointing out |
| this improvement, and Bill Reimers for good implementation |
| suggestions. |
| |
| Provide NO_LARGEFILE compile option to switch off largefile |
| support when compiling against versions of uclibc which |
| don't support it. Thanks to Stephane Billiart for the patch. |
| |
| Implement random source ports for interactions with |
| upstream nameservers. New spoofing attacks have been found |
| against nameservers which do not do this, though it is not |
| clear if dnsmasq is vulnerable, since to doesn't implement |
| recursion. By default dnsmasq will now use a different |
| source port (and socket) for each query it sends |
| upstream. This behaviour can suppressed using the |
| --query-port option, and the old default behaviour |
| restored using --query-port=0. Explicit source-port |
| specifications in --server configs are still honoured. |
| |
| Replace the random number generator, for better |
| security. On most BSD systems, dnsmasq uses the |
| arc4random() RNG, which is secure, but on other platforms, |
| it relied on the C-library RNG, which may be |
| guessable and therefore allow spoofing. This release |
| replaces the libc RNG with the SURF RNG, from Daniel |
| J. Berstein's DJBDNS package. |
| |
| Don't attempt to change user or group or set capabilities |
| if dnsmasq is run as a non-root user. Without this, the |
| change from soft to hard errors when these fail causes |
| problems for non-root daemons listening on high |
| ports. Thanks to Patrick McLean for spotting this. |
| |
| Updated French translation. Thanks to Gildas Le Nadan. |
| |
| |
| version 2.42 |
| The changelog for version 2.42 and earlier is |
| available in CHANGELOG.archive. |
