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(this page) 2007-02-23 16:08:07 by Thomas Klausner | Files touched by this commit (3) |  |
Log message:
Update to 2.38:
version 2.24
Updated contrib/openvpn/dnsmasq.patch from Joseph Tate.
Tweaked DHCP NAK code, a DHCP NAK is now unicast as a
fallback in cases where a broadcast is futile: namely in
response to a unicast REQUEST from a non-local network
which was not sent via a relay.
Slightly changed the semantics of domain matching in
--server and --address configs. --server=/domain.com/ still
matches domain.com and sub.domain.com but does not
now match newdomain.com The semantics of
--server=/.domain.com/ are unchanged.
Thanks to Chris Blaise for the patch.
Added backwards-compatible internationalisation support.
The existing make targets, (all, dnsmasq, install) work as
before. New ones (all-i18n, and install-i18n) add gettext.
The translations live in po/ There are not too many
strings, so if anybody can provide translations (and for
the manpage....) please send them in.
Tweak behaviour on receipt of REFUSED or SERVFAIL rcodes,
now the query gets retried on all servers before returning
the error to the source of the query. Thanks to Javier
Kohen for the report.
Added Polish translation - thanks to Tomasz Sochanski.
Changed default manpage install location from /usr/man
to /usr/share/man
Added Spanish translation - thanks to Christopher Chatham.
Log a warning when a DHCP packet is truncated due to lack
of space. (Thanks to Michael Welle for the prompt to do
this.)
Added French translation - thanks to Lionel Tricon.
Added Indonesian translation - thanks to Salman AS.
Tweaked the netlink code to cope with interface broadcast
address not set, or set to 0.0.0.0.
Fixed problem assigning fixed addresses to hosts when more
than one dhcp-range is available. Thanks to Sorin Panca
for help chasing this down.
Added more explict error mesages to the hosts file and
ethers file reading code. Markus Kaiserswerth suffered to
make this happen.
Ensure that a hostname supplied by a DHCP client can never
override one configured on the server. Previously, any
host claiming a name would be given it, even if that
over-rode a dhcp-host declaration, leading to potentially
confusing situations.
Added Slackware package-build stuff into contrib/ The i18n
effort broke the current scripts, and working ones were
needed for testing, so they ended up here rather than make
Pat re-invent the wheel.
Added Romanian translation, thanks to Sorin Panca for
that.
version 2.25
Fixed RedHat spec file for FC4 - thanks to Werner Hoelzl
and Andrew Bird.
Fixed Suse spec file - thanks to Steven Springl.
Fixed DHCP bug when two distict subnets are on the same
physical interface. Thanks to Pawel Zawora for finding
this and suggesting the fix.
Added logging to make it explicit when dnsmasq falls back
from using RT-netlink sockets to the old ioctl API for
getting information about interfaces. Doing this
completely silently made remote debugging hard.
Merged uclibc build fixes from the OpenWRT package into
src/config.h
Added Norwegian translation - thanks to Jan Erik Askildt.
version 2.26
Fixed SuSe rpm patch problem - thanks to Steven Springl.
Fixed crash when attempting to send a DHCP NAK to a host
which believes it has a lease on an unknown
network. Thanks to Lutz Pressler for the bug report and
patch.
version 2.27
Tweaked DHCP behaviour when a client attempts to renew a lease
which dnsmasq doesn't know about. Previously that would always
result in a DHCPNAK. Now, in dhcp-authoritative mode, the
lease will be created, if it's legal. This makes dnsmasq work
better if the lease database is lost, for example on an OpenWRT
system which reboots. Thanks to Stephen Rose for work on
this.
Added the ability to support RFC-3442 style destination
descriptors in dhcp-options. This makes classless static
routes easy to do, eg dhcp-option=121,192.168.1.0/24,1.2.3.4
Added error-checking to the code which writes the lease
file. If this fails for any reason, an error is logged,
and a retry occurs after one minute. This should improve
things eg when a filesystem is full. Thanks to Jens Holze
for the bug report.
Fixed breakage of the "/#/ matches any domain" facility
which happened in 2.24. Thanks to Peter Surda for the bug
report.
Use "size_t" and "ssize_t" types where appropriate in the
code.
Fix buggy CNAME handling in mixed IPv4 and IPv6
queries. Thanks to Andreas Pelme for help finding that.
Added some code to attempt to re-transmit DNS queries when
a network interface comes up. This helps on DoD links,
where frequently the packet which triggers dialling is
a DNS query, which then gets lost. By re-sending, we can
avoid the lookup failing. This function is only active
when netlink support is compiled in, and therefore only
under Linux. Thanks to Jean Wolter for help with this.
Tweaked the DHCP tag-matching code to work correctly with
NOT-tag conditions. Thanks to Lutz Pressler for finding
the bug.
Generalised netid-tag matching in dhcp-range statements to
allow more than one tag.
Added --dhcp-mac to do MAC address matching in the same
way as vendorclass and userclass matching. A good
suggestion from Lutz Pressler.
Add workaround for buggy early Microsoft DHCP clients
which need zero-termination in string options.
Thanks to Fabiano Pires for help with this.
Generalised the DHCP code to cope with any hardware
address type, at least on Linux. *BSD is still limited to
ethernet only.
version 2.28
Eliminated all raw network access when running on
Linux. All DHCP network activity now goes through the IP
stack. Packet sockets are no longer required. Apart from
being a neat hack, this should also allow DHCP over IPsec
to work better. On *BSD and OS X, the old method of raw net
access through BPF is retained.
Simplified build options. Networking is now slimmed down
to a choice of "linux" or "other". Netlink is always used
under Linux. Since netlink has been available since 2.2
and non-optional in an IPv4-configured kernel since 2.4,
and the dnsmasq netlink code is now well tested, this
should work out fine.
Removed decayed build support for libc5 and Solaris.
Removed pselect code: use a pipe for race-free signal
handling instead, as this works everywhere.
No longer enable the ISC leasefile reading code in the
distributed sources. I doubt there are many people left
using this 1.x compatibility code. Those that are will
have to explicitly enable it in src/config.h.
Don't send the "DHCP maximum message size" option, even if
requested. RFC2131 says this is a "MUST NOT".
Support larger-than-minimum DHCP message. Dnsmasq is now
happy to get larger than 576-byte DHCP messages, and will
return large messages, if permitted by the "maximum
message size" option of the message to which it is
replying. There's now an arbitrary sanity limit of 16384
bytes.
Added --no-ping option. This fixes an RFC2131 "SHOULD".
Building on the 2.27 MAC-address changes, allow clients to
provide no MAC address at all, relying on the client-id as
a unique identifier. This should make things like DHCP for
USB come easier.
Fixed regression in netlink code under 2.2.x kernels which
occurred in 2.27. Erik Jan Tromp is the vintage kernel fan
who found this. P.S. It looks like this "netlink bind:
permission denied" problem occured in kernels at least as
late a 2.4.18. Good information from Alain Richoux.
Added a warning when it's impossible to give a host its
configured address because the address is leased
elsewhere. A sensible suggestion from Mircea Bardac.
Added minimal support for RFC 3046 DHCP relay agent-id
options. The DHCP server now echoes these back to the
relay, as required by the RFC. Also, RFC 3527 link selection
sub-options are honoured.
Set the process "dumpable" flag when running in debug
mode: this makes getting core dumps from root processes
much easier.
Fixed one-byte buffer overflow which seems to only cause
problems when dnsmasq is linked with uclibc. Thanks to
Eric House and Eric Spakman for help in chasing this down.
Tolerate configuration screwups which lead to the DHCP
server attemping to allocate its own address to a
client; eg setting the whole subnet range as a DHCP
range. Addresses in use by the server are now excluded
from use by clients.
Did some thinking about HAVE_BROKEN_RTC mode, and made it
much simpler and better. The key is to just keep lease
lengths in the lease file. Since these normally never
change, even as the lease is renewed, the lease file never
needs to change except when machines arrive on the network
or leave. This eliminates the code for timed writes, and
reduces the amount of wear on a flash filesystem to the
absolute minimum. Also re-did the basic time function in
this mode to use the portable times(), rather than parsing
/proc/uptime.
Believe the source port number when replying to unicast
DHCP requests and DHCP requests via a relay, instead of always
using the standard ports. This will allow relays on
non-standard ports and DHCPINFORM from unprivileged ports
to work. The source port sent by unconfigured clients is still
ignored, since this may be unreliable. This means that a DHCP
client must use the standard port to do full configuration.
version 2.29
Fixed compilation on OpenBSD (thanks to Tom Hensel for the
report).
Fixed false "no interface" errors when --bind-interfaces is
set along with --interface=lo or --listen-address. Thanks
to Paul Wise for the report.
Updated patch for SuSE rpm. Thanks to Steven Springl.
It turns out that there are some Linux kernel
configurations which make using the capability system
impossible. If this situation occurs then continue, running
as root, and log a warning. Thanks to Scott Wehrenberg
for help tracking this down.
version 2.30
Fixed crash when a DHCP client requested a broadcast
reply. This problem was introduced in version 2.28.
Thanks to Sandra Dekkers for the bug report.
version 2.31
Added --dhcp-script option. There have been calls for this
for a long time from many good people. Fabio Muzzi gets
the prize for finally convincing me.
Added example dbus config file and moved dbus stuff into
its own directory.
Removed horribly outdated Redhat RPM build files. These
are obsolete now that dnsmasq in in Fedora extras. Thanks
to Patrick "Jima" Laughton, the Fedora package
maintainer.
Added workaround for Linux kernel bug. This manifests
itself as failure of DHCP on kernels with "support for
classical IP over ATM" configured. That includes most
Debian kernel packages. Many thanks to A. Costa and
Benjamin Kudria for their huge efforts in chasing this
down.
Force-kill child processes when dnsmasq is sent a sigterm,
otherwise an unclosed TCP connection could keep dnsmasq
hanging round for a few minutes.
Tweaked config.h logic for uclibc build. It will now pick
up MMU and IPV6 status correctly on every system I tested.
version 2.32
Attempt a better job of replacing previous configuration
when re-reading /etc/hosts and /etc/ethers. SIGHUP is
still not identical to a restart under all circumstances,
but it is for the common case of name->MAC address in
/etc/ethers and name->IP address in /etc/hosts.
Fall back to broadcast for DHCP to an unconfigured client
when the MAC address size is greater than 14 bytes.
Fix problem in 2.28-onwards releases which breaks DNS on
Mac OS X. Thanks to Doug Fields for the bug report and
testing.
Added fix to allow compilation on c89-only compilers.
Thanks to John Mastwijk for the patch.
Tweak resolv file polling code to work better if there is
a race between updating the mtime and file contents. This
is not normally a problem, but it can be on systems which
replace nameservers whilst active. The code now continues
to read resolv.conf until it gets at least one usable
server. Thanks to Holger Mauermann for help with this.
If a client DECLINEs an address which is allocated to it
via dhcp-host or /etc/hosts, lock that address out of use
for ten minutes, instead of forever, and log when it's not
being used because of the lock-out. This should provide
less surprising behaviour when a configured address can't be
used. Thanks to Peter Surda and Heinz Deinhart for input
on this.
Fixed *BSD DHCP breakage with only some
arches/compilers, depending on structure padding rules.
Thanks to Jeb Campbell and Tom Hensel for help with this.
Added --conf-dir option. Suggestion from Aaron Tygart.
Applied patch from Brent Cook which allows netids in
dhcp-option configuration lines to be prefixed by
"net:". This is not required by the syntax, but it is
consistent with other configuration items.
Added --log-facility option. Suggestion from Fabio Muzzi.
Major update to Spanish translation. Many thanks to Chris
Chatham.
Fixed gcc-4.1 strict-alias compilation warning.
version 2.33
Remove bash-specific shellcode from the Makefile.
Fix breakage with some DHCP relay implementations which
was introduced in 2.28. Believing the source port in
DHCP requests and sending the reply there is sometimes a
bad thing to do, so I've reverted to always sending to
the relay on port 68. Thanks to Daniel Hamlin and Alex
(alde) for bug reports on this.
Moved the SuSe packaging files to contrib. I will no
longer attempt to maintain this in the source tarball. It
will be done externally, in the same way as packaging for
other distros. Suse packages are available from
ftp://ftp.suse.com/pub/people/ug/
Merged patch from Gentoo to honour $LDFLAGS environment.
Fix bug in resolv.conf processing when more than one file
is being checked.
Add --dns-forward-max option.
Warn if --resolv-file flags are ignored because of
--no-resolv. Thanks to Martin F Krafft for spotting this
one.
Add --leasefile-ro option which allows the use of an
external lease database. Many thanks to Steve Horbachuk
for assistance developing this feature.
Provide extra information to lease-change script via its
environment. If the host has a client-id, then
DNSMASQ_CLIENT_ID will be set. Either the lease length (in
DNSMASQ_LEASE_LENGTH) or lease expiry time (in
DNSMASQ_LEASE_EXPIRES) will be set, depending on the
HAVE_BROKEN_RTC compile-time option. This extra
information should make it possible to maintain the lease
database in external storage such as LDAP or a relational
database. Note that while leasefile-ro is set, the script
will be called with "old" events more often, since
changes to the client-id and lease length
(HAVE_BROKEN_RTC) or lease expiry time (otherwise)
are now flagged.
Add contrib/wrt/* which is an example implementation of an
external persistent lease database for *WRT distros with
the nvram command.
Add contrib/wrt/dhcp_release.c which is a small utility
which removes DHCP leases using DHCPRELEASE operation in
the DHCP protocol.
version 2.34
Tweak network-determination code for another corner case:
in this case a host forced to move between dhcp-ranges on
the same physical interface. Thanks to Matthias Andree.
Improve handling of high DNS loads by throttling acceptance of
new queries when resources are tight. This should be a
better response than the "forwarding table full..."
message which was logged before.
Fixed intermittent infinite loop when re-reading
/etc/ethers after SIGHUP. Thanks to Eldon Ziegler for the
bug report.
Provide extra information to the lease-change script: when
a lease loses its hostname (because a new lease comes
along and claims the same new), the "old" action is called
with the current state of the lease, ie no name. The
change is to provide the former name which the lease had
in the environment variable DNSMASQ_OLD_HOSTNAME. This
helps scripts which do stuff based on hostname, rather
than IP address. Also provide vendor-class and user-class
information to the lease-change script when a new lease is
created in the DNSMASQ_VENDOR_CLASS and
DNSMASQ_USER_CLASS<n> environment variables. Suggestion
from Francois-Xavier Le Bail.
Run the lease change script as root, even when dnsmasq is
configured to change UID to an unprivileged user. Since
most uses of the lease change script need root, this
allows its use whilst keeping the security advantages of
running the daemon without privs. The script is invoked
via a small helper process which keeps root UID, and
validates all data received from the main process. To get
root, an attacker would have to break dnsmasq and then
break the helper through the restricted comms channel
linking the two.
Add contrib/port-forward/* which is a script to set up
port-forwards using the DHCP lease-change script. It's
possible to add a host to a config file by name, and when
that host gets a DHCP lease, the script will use iptables
to set up port-forwards to configured ports at the address
which the host is allocated. The script also handles
setting up the port-forward iptables entries after reboot,
using the persistent lease database, and removing them
when a host leaves and its DHCP lease expires.
Fix unaligned access problem which caused wrong log
messages with some clients on some architectures. Thanks
to Francois-Xavier Le Bail for the bugreport.
Fixed problem with DHCPRELEASE and multi-address
interfaces. Enhanced contrib/wrt/dhcp_release to cope
under these circumstances too. Thanks to Eldon Ziegler for
input on this.
Updated French translation: thanks to Gildas Le Nadan.
Upgraded the name hash function in the DNS cache. Thanks
to Oleg Khovayko for good work on this.
Added --clear-on-reload flag. Suggestion from Johannes
Stezenbach.
Treat a nameserver address of 0.0.0.0 as "nothing". Erwin
Cabrera spotted that specifying a nameserver as 0.0.0.0
breaks things badly; this is because the network stack
treats is as "this host" and an endless loop ensues.
Added Webmin module in contrib/webmin. Thanks to Neil
Fisher for that.
version 2.35
Generate an "old" script event when a client does a DHCPREQUEST
in INIT-REBOOT or SELECTING state and the lease already
exists. Supply vendor and user class information to these
script calls.
Added support for Dragonfly BSD to src/config.h
Removed "Upgrading to 2.0" document, which is ancient
history now.
Tweak DHCP networking code for BSD, esp OpenBSD. Added a
workaround for a bug in OpenBSD 4.0: there should finally
be support for multiple interfaces under OpenBSD now.
Note that no version of dnsmasq before 2.35 will work for
DHCP under OpenBSD 4.0 because of a kernel bug.
Thanks to Claudio Jeker, Jeb Campbell and Cristobal
Palmer for help with this.
Optimised the cache code for the case of large
/etc/hosts. This is mainly to remove the O(n-squared)
algorithm which made reading large (50000 lines) files
slow, but it also takes into account the size of
/etc/hosts when building hash tables, so overall
performance should be better. Thanks to "koko" for
pointing out the problem.
version 2.36
Added --dhcp-ignore-names flag which tells dnsmasq not to
use names provided by DHCP clients. Suggestion from
Thomas M Steenholdt.
Send netmask and broadcast address DHCP options always,
even if the client doesn't request them. This makes a few
odd clients work better.
Added simple TFTP function, optimised for net-boot. It is
now possible to net boot hosts using only dnsmasq. The
TFTP server is read-only, binary-mode only, and designed to be
secure; it adds about 4K to the dnsmasq binary.
Support DHCP option 120, SIP servers, (RFC 3361). Both
encodings are supported, so both --dhcp-option=120,192.168.2.3
and --dhcp-option=120,sip.example.net will work. Brian
Candler pointed out the need for this.
Allow spaces in domain names, to support DNS-SD.
Add --ptr-record flag, again for DNS-SD. Thanks to Stephan
Sokolow for the suggestion.
Tolerate leading space on lines in the config file. Thanks
to Luigi Rizzo for pointing this out.
Fixed netlink.c to cope with headers from the Linux 2.6.19
kernel. Thanks to Philip Wall for the bug report.
Added --dhcp-bridge option, but only to the FreeBSD
build. This fixes an oddity with a a particular bridged
network configuration on FreeBSD. Thanks to Luigi Rizzo
for the patch.
Added FAQ entry about running dnsmasq in a Linux
vserver. Thanks to Gildas le Nadan for the information.
Fixed problem with option parsing which interpreted "/" as
an address and not a string. Thanks to Luigi Rizzo
for the patch.
Ignore the --domain-needed flag when forwarding NS
and SOA queries, since NS queries of TLDs are always legit.
Marcus Better pointed out this problem.
Take care to forward signed DNS requests bit-perfect, so
as not to affect the validity of the signature. This
should allow DDNS updates to be forwarded.
version 2.37
Add better support for RFC-2855 DHCP-over-firewire and RFC
-4390 DHCP-over-InfiniBand. A good suggestion from Karl Svec.
Some efficiency tweaks to the cache code for very large
/etc/hosts files. Should improve reverse (address->name)
lookups and garbage collection. Thanks to Jan 'RedBully'
Seiffert for input on this.
Fix regression in 2.36 which made bogus-nxdomain
and DNS caching unreliable. Thanks to Dennis DeDonatis
and Jan Seiffert for bug reports.
Make DHCP encapsulated vendor-class options sane. Be
warned that some conceivable existing configurations
using these may break, but they work in a much
simpler and more logical way now. Prepending
"vendor:<client-id>" to an option encapsulates it
in option 43, and the option is sent only if the
client-supplied vendor-class substring-matches with
the given client-id. Thanks to Dennis DeDonatis for
help with this.
Apply patch from Jan Seiffert to tidy up tftp.c
Add support for overloading the filename and servername
fields in DHCP packet. This gives extra option-space when
these fields are not being used or with a modern client
which supports moving them into options.
Added a LIMITS section to the man-page, with guidance on
maximum numbers of clients, file sizes and tuning.
release 2.38
Fix compilation on *BSD. Thanks to Tom Hensel.
Don't send length zero DHCP option 43 and cope with
encapsulated options whose total length exceeds 255 octets
by splitting them into multiple option 43 pieces.
Avoid queries being retried forever when --strict-order is
set and an upstream server returns a SERVFAIL
error. Thanks to Johannes Stezenbach for spotting this.
Fix BOOTP support, broken in version 2.37.
Add example dhcp-options for Etherboot.
Add \e (for ASCII ESCape) to the set of valid escapes
in config-file strings.
Added --dhcp-option-force flag and examples in the
configuration file which use this to control PXELinux.
Added --tftp-no-blocksize option.
Set netid tag "bootp" when BOOTP (rather than DHCP) is in
use. This makes it easy to customise which options are
sent to BOOTP clients. (BOOTP allows only 64 octets for
options, so it can be necessary to trim things.)
Fix rare hang in cache code, a 2.37 regression. This
probably needs an infinite DHCP lease and some bad luck to
trigger. Thanks to Detlef Reichelt for bug reports and testing.
|
| 2006-03-22 16:59:56 by Joerg Sonnenberger | Files touched by this commit (2) |
Log message: Add DragonFly support. |
| 2006-02-06 00:11:50 by Joerg Sonnenberger | Files touched by this commit (4082) |
Log message: Recursive revision bump / recommended bump for gettext ABI change. |
| 2005-12-29 07:22:26 by Johnny C. Lam | Files touched by this commit (597) |
Log message: Remove USE_PKGINSTALL from pkgsrc now that mk/install/pkginstall.mk automatically detects whether we want the pkginstall machinery to be used by the package Makefile. |
2005-10-18 06:41:59 by Min Sik Kim | Files touched by this commit (5) |  |
Log message: Import dnsmasq from pkgsrc-wip. Packaged by pancake and updated by dhowland. Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server. It is designed to provide DNS and, optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with DHCP-allocated addresses to appear in the DNS with names configured either in each host or in a central configuration file. Dnsmasq supports static and dynamic DHCP leases and BOOTP for network booting of diskless machines. |
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