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* dnsmasq: bump to v2.80Kevin Darbyshire-Bryant2018-10-225-137/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Cherry-picked & squashed from relevant commits from master: dnsmasq v2.80 release Change from rc1: 91421cb Fix compiler warning. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 6c4d3d705a0d6e508de94dc49736c250ecdae27c) dnsmasq: remove creation of /etc/ethers Remove creation of file /etc/ethers in dnsmasq init script as the file is now created by default in the base-files package by commit fa3301a28e Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (cherry picked from commit 6c227e45cb6a97c61d9fa2ffa35cebee2a048739) dnsmasq: bump to dnsmasq v2.80test5 Refresh patches Remove 240-ubus patch as upstream accepted. Add uci option ubus which allows to enable/disable ubus support (enabled by default) Upstream commits since last bump: da8b651 Implement --address=/example.com/# c5db8f9 Tidy 7f876b64c22b2b18412e2e3d8506ee33e42db7c 974a6d0 Add --caa-record b758b67 Improve logging of RRs from --dns-rr. 9bafdc6 Tidy up file parsing code. 97f876b Properly deal with unaligned addresses in DHCPv6 packets. cbfbd17 Fix broken DNSSEC records in previous. b6f926f Don't return NXDOMAIN to empty non-terminals. c822620 Add --dhcp-name-match 397c050 Handle case of --auth-zone but no --auth-server. 1682d15 Add missing EDNS0 section. EDNS0 section missing in replies to EDNS0-containing queries where answer generated from --local=/<domain>/ dd33e98 Fix crash parsing a --synth-domain with no prefix. Problem introduced in 2.79/6b2b564ac34cb3c862f168e6b1457f9f0b9ca69c c16d966 Add copyright to src/metrics.h 1dfed16 Remove C99 only code. 6f835ed Format fixes - ubus.c 9d6fd17 dnsmasq.c fix OPT_UBUS option usage 8c1b6a5 New metrics and ubus files. 8dcdb33 Add --enable-ubus option. aba8bbb Add collection of metrics caf4d57 Add OpenWRT ubus patch Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (cherry picked from commit 3d377f4375c6e4a66c6741bbd2549ad53ef671b3) dnsmasq: bump to dnsmasq 2.80test6 Refresh patches Changes since latest bump: af3bd07 Man page typo. d682099 Picky changes to 47b45b2967c931fed3c89a2e6a8df9f9183a5789 47b45b2 Fix lengths of interface names 2b38e38 Minor improvements in lease-tools 282eab7 Mark die function as never returning c346f61 Handle ANY queries in context of da8b6517decdac593e7ce24bde2824dd841725c8 03212e5 Manpage typo. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (cherry picked from commit 43d4b8e89e68fcab00698ee3b70a58c74813a6a7) dnsmasq: Handle memory allocation failure in make_non_terminals() Backport upstream commit: ea6cc33 Handle memory allocation failure in make_non_terminals() Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 687168ccd9154b1fb7a470fa8f42ce64a135f51d) dnsmasq: Change behavior when RD bit unset in queries. Backport upstream commit Change anti cache-snooping behaviour with queries with the recursion-desired bit unset. Instead to returning SERVFAIL, we now always forward, and never answer from the cache. This allows "dig +trace" command to work. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 6c4cbe94bd940b5c061e27744eb78805764d6b34) dnsmasq: bump to v2.80test7 Bump to latest test release: 3a610a0 Finesse allocation of memory for "struct crec" cache entries. 48b090c Fix b6f926fbefcd2471699599e44f32b8d25b87b471 to not SEGV on startup (rarely). 4139298 Change behavior when RD bit unset in queries. 51cc10f Add warning about 0.0.0.0 and :: addresses to man page. ea6cc33 Handle memory allocation failure in make_non_terminals() ad03967 Add debian/tmpfiles.conf f4fd07d Debian bugfix. e3c08a3 Debian packaging fix. (restorecon) 118011f Debian packaging fix. (tmpfiles.d) Delete our own backports of ea6cc33 & 4139298, so the only real changes here, since we don't care about the Debian stuff are 48b090c & 3a610a0 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit d9a37d8d1eb7d117d5aa44924064a4a3b5517ddd) dnsmasq: bump to v2.80test8 e1791f3 Fix logging of DNSSEC queries in TCP mode. Destination server address was misleading. 0fdf3c1 Fix dhcp-match-name to match hostname, not complete FQDN. ee1df06 Tweak strategy for confirming SLAAC addresses. 1e87eba Clarify manpage for --auth-sec-servers 0893347 Make interface spec optional in --auth-server. 7cbf497 Example config file fix for CERT Vulnerability VU#598349. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 30cc5b0bf4f3cdfe950ca7fc380a34c81dd9d7e4) dnsmasq: add dhcp-ignore-names support - CERT VU#598349 dnsmasq v2.80test8 adds the ability to ignore dhcp client's requests for specific hostnames. Clients claiming certain hostnames and thus claiming DNS namespace represent a potential security risk. e.g. a malicious host could claim 'wpad' for itself and redirect other web client requests to it for nefarious purpose. See CERT VU#598349 for more details. Some Samsung TVs are claiming the hostname 'localhost', it is believed not (yet) for nefarious purposes. /usr/share/dnsmasq/dhcpbogushostname.conf contains a list of hostnames in correct syntax to be excluded. e.g. dhcp-name-match=set:dhcp_bogus_hostname,localhost Inclusion of this file is controlled by uci option dhcpbogushostname which is enabled by default. To be absolutely clear, DHCP leases to these requesting hosts are still permitted, but they do NOT get to claim ownership of the hostname itself and hence put into DNS for other hosts to be confused/manipulate by. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit a45f4f50e16cd2d0370a4470c3ede0c6c7754ba9) dnsmasq: fix compile issue Fix compile issue in case HAVE_BROKEN_RTC is enabled Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (cherry picked from commit 39e5e17045aceb2bfbd6b5c6ecfd6cfbce2f3311) dnsmasq: bump to v2.80rc1 53792c9 fix typo df07182 Update German translation. Remove local patch 001-fix-typo which is a backport of the above 53792c9 There is no practical difference between our test8 release and this rc release, but this does at least say 'release candidate' Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit b8bc672f247a68bc6f72f08f9352cd7aaa5cb9c4) dnsmasq: fix dnsmasq failure to start when ujail'd This patch fixes jailed dnsmasq running into the following issue: |dnsmasq[1]: cannot read /usr/share/dnsmasq/dhcpbogushostname.conf: No such file or directory |dnsmasq[1]: FAILED to start up |procd: Instance dnsmasq::cfg01411c s in a crash loop 6 crashes, 0 seconds since last crash Fixes: a45f4f50e16 ("dnsmasq: add dhcp-ignore-names support - CERT VU#598349") Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [bump package release] Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 583466bb5b374b29b6b7cba6f065e97c4734f742) Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: allow dnsmasq variants to be included in imageHenrique de Moraes Holschuh2018-09-061-0/+2
| | | | | | | | | | | The dnsmasq variants should provide dnsmasq, otherwise it is impossible to include them in the image. This change allows one to have CONFIG_PACKAGE_dnsmasq=m and CONFIG_PACKAGE_dnsmasq-full=y, e.g. because you want DNSSEC support, or IPSETs suport on your 3000-devices fleet ;-) Signed-off-by: Henrique de Moraes Holschuh <henrique@nic.br>
* dnsmasq: bump to dnsmasq v2.80test3Kevin Darbyshire-Bryant2018-07-2820-1565/+6
| | | | | | | | | | | | | | | | | | Refresh patches Upstream commits since last bump: 3b6eb19 Log DNSSEC trust anchors at startup. f3e5787 Trivial comment change. c851c69 Log failure to confirm an address in DHCPv6. a3bd7e7 Fix missing fatal errors when parsing some command-line/config options. ab5ceaf Document the --help option in the french manual 1f2f69d Fix recurrent minor spelling mistake in french manual f361b39 Fix some mistakes in french translation of the manual eb1fe15 When replacing cache entries, preserve CNAMES which target them. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit 1e93ef84981f2722138824413a1b197fdab7fb6c)
* dnsmasq: don't use network functions at boottime (FS#1542)Hans Dedecker2018-07-282-6/+15
| | | | | | | | | | | | | As dnsmasq is started earlier than netifd usage of network.sh functions at boottime will fail; therefore don't call at boottime the functions which construct the dhcp pool/relay info. As interface triggers are installed the dhcp pool/relay info will be constructed when the interface gets reported as up by netifd. At the same time also register interface triggers based on DHCP relay config. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (cherry picked from commit 2336b942b37f265c59547d738ca558b61102833d)
* dnsmasq: bump to latest patches on 2.80rc2Kevin Darbyshire-Bryant2018-07-2819-11/+406
| | | | | | | | | | | | | | | | Refresh patches and backport upstream to current HEAD: a997ca0 Fix sometimes missing DNSSEC RRs when DNSSEC validation not enabled. 51e4eee Fix address-dependent domains for IPv6. 05ff659 Fix stupid infinite loop introduced by preceding commit. db0f488 Handle some corner cases in RA contructed interfaces with addresses changing interface. 7dcca6c Warn about the impact of cache-size on performance. 090856c Allow zone transfer in authoritative mode whenever auth-peer is specified. cc5cc8f Sane error message when pcap file header is wrong. c488b68 Handle standard and contructed dhcp-ranges on the same interface. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> (cherry picked from commit fbf475403b911f46e91b57fb7a6cf3c65276464c)
* dnsmasq: fix dnsmasq startup issueHans Dedecker2018-06-202-9/+1
| | | | | | | | | | | Commit ecd954d530 installs specific interface triggers which rewrites the dnsmasq config file and restarts dnsmasq if the network interface becomes active for which a trigger has been installed. In case no dhcp sections are specified or ignore is set to 1 dnsmasq will not be started at startup which breaks DNS resolving. Fix this by ditching the BOOT check in start_service and always start dnsmasq at startup. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: fix confdir option processing (FS#1572)Hans Dedecker2018-06-112-2/+3
| | | | | | | | Fix condir option processing allowing to use the format "<directory>[,<file-extension>......]," as documented on the dnsmasq man page which previously resulted into bogus dir being created. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* Revert "dnsmasq: use "hostsdir" instead of "addn-hosts""Hans Dedecker2018-05-241-1/+1
| | | | | | | | | This reverts commit c97189e26dfb9b0eaf5b9cd7e33a99e2f780cb58 as it has different issues: -Host file is not written in a directory unique per dnsmasq instance -odhcpd writes host info into the same directory but still sends a SIGHUP to dnsmasq Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: use "hostsdir" instead of "addn-hosts"Christian Schoenebeck2018-05-231-1/+1
| | | | | | | 1.) "addn-hosts" per default point to a file (but it supports directory) 2.) "hostsdir" only support directory with the additional benefit: New or changed files are read automatically. Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
* dnsmasq: bump to 2.80test2Kevin Darbyshire-Bryant2018-05-1212-8/+1172
| | | | | | | | | | | | | | | | | | | Refresh patches and backport upstream to current HEAD: 1f1873a Log warning on very large cachesize config, instead of truncating it. 0a496f0 Do unsolicited RAs for interfaces which appear after dnsmasq startup. e27825b Fix logging in previous. 1f60a18 Retry SERVFAIL DNSSEC queries to a different server, if possible. a0088e8 Handle query retry on REFUSED or SERVFAIL for DNSSEC-generated queries. 34e26e1 Retry query to other servers on receipt of SERVFAIL rcode. 6b17335 Add packet-dump debugging facility. 07ed585 Add logging for DNS error returns from upstream and local configuration. 0669ee7 Fix DHCP broken-ness when --no-ping AND --dhcp-sequential-ip are set. f84e674 Be persistent with broken-upstream-DNSSEC warnings. Compile & run tested: ar71xx Archer C7 v2 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: add specific interface procd triggershux2018-05-112-2/+14
| | | | | | | | | | | | | | | | | | Right now interface.update events are sent out by netifd upon interface state, route, address (lifetime), prefix lifetime changes. Dnsmasq is only interested in interface state changes and currently adds an interface trigger for all the "interface.*" events. In combination with commit 23bba9cb330, which triggers a SIGHUP signal to dnsmasq, IPv6 address/prefix lifetime changes on the wan will trigger dnsmasq reloads which can become frequent in case of shorter lifetimes. To avoid frequent dnsmasq reload, this patch adds specific interface triggers. During dnsmasq init it loops dhcp uci section; if the value of the ignore option is set to 0, then the corresponding interface trigger is not installed. Otherwise, if the ignore option value is 1, then procd_add_interface_trigger is called which adds the interface trigger. Signed-off-by: hux <xinxing.huchn@gmail.com>
* dnsmasq: remove example domains from rfc6761.conf (FS#1447)Hans Dedecker2018-04-092-5/+1
| | | | | | | | | | | | RFC6771 does not exclude the forwarding of the example domain as it states : "Caching DNS servers SHOULD NOT recognize example names as special and SHOULD resolve them normally." Example domains cannot be assigned to any user or person by DNS registrars as they're registered in perpetuity to IANA meaning they can be resolved; therefore let's remove the example domains from the rfc6761.conf file. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: improve init script portability (FS#1446)Hans Dedecker2018-03-242-2/+2
| | | | | | | | | | | | | Improve portability of init script by declaring resolvfile as local in dnsmasq_stop function. Fixes resolvfile being set for older busybox versions in dnsmasq_start in a multi dnsmasq instance config when doing restart; this happens when the last instance has a resolvfile configured while the first instance being started has noresolv set to 1. Base on a patch by "Phil" Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: bump to 2.79 releaseKevin Darbyshire-Bryant2018-03-191-3/+3
| | | | | | | 94b6878 Tidy crypto.c of old library compat. Now need libnettle 3. 8b96552 Fix compiler warning. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: bump to 2.79rc2Hans Dedecker2018-03-131-2/+2
| | | | | | | | | | | | | | | | | | ae29065 Fix debian/changelog syntax. 6b2b564 Enhance --synth-domain to allow names with sequential integers. 4f7bb57 Fix deletion of dhcp-options from inotify dynamic files. 56f0623 Allow trailing dot in CNAME. f3223fb Fix nettle_hash() function to avoid ABI incompatibilities. 4c4f4c2 Debian dependency tweaking for new dnsmasq-base-lua package. 773af30 Man page typo fix. 4cc944b Merge branch 'master' of ssh://thekelleys.org.uk/var/local/git/dnsmasq 87e00fe Compiler warning fixes. e7a4af8 Compiler warning fixes. 2d69d61 Add liblua-dev to Debian build-depends. 30e4a94 Debian package: add dnsmasq-base-lua binary package. 232a8f3 Merge messages for release. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: bump to 2.79rc1Kevin Darbyshire-Bryant2018-02-186-376/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1721453 Remove special handling of A-for-A queries. 499d8dd Fix boundary for test introduced in 3e3f1029c9ec6c63e430ff51063a6301d4b2262 6f1cbfd Fix debian/readme typo. 55ecde7 Inotify: Ignore backup files created by editors 6b54d69 Make failure to chown() pidfile a warning. 246a31c Change ownership of pid file, to keep systemd happy. 83e4b73 Remove confusion between --user and --script-user. 6340ca7 Tweak heuristic for initial DNSSEC memory allocation. baf553d Default min-port to 1024 to avoid reserved ports. 486bcd5 Simplify and correct bindtodevice(). be9a74d Close Debian bug for CVE-2017-15107. ffcbc0f Example config typo fixes. a969ba6 Special case NSEC processing for root DS record, to avoid spurious BOGUS. f178172 Add homepage to Debian control file. cd7df61 Fix DNSSEC validation errors introduced in 4fe6744a220eddd3f1749b40cac3dfc510787de6 c1a4e25 Try to be a little more clever at falling back to smaller DNS packet sizes. 4fe6744 DNSSEC fix for wildcard NSEC records. CVE-2017-15107 applies. 3bd4c47 Remove limit on length of command-line options. 98196c4 Typo fix. 22cd860 Allow more than one --bridge-interface option to refer to an interface. 3c973ad Use SIGINT (instead of overloading SIGHUP) to turn on DNSSEC time validation. faaf306 Spelling fixes. c7e6aea Change references to gPXE to iPXE. Development of EtherBoot gPXE was always development of iPXE core developer Michael Brown. e541245 Handle duplicate RRs in DNSSEC validation. 84a01be Bump year in Debian copyright notice. d1ced3a Update copyrights to 2018. a6cee69 Fix exit code from dhcp_release6. 0039920 Severely fix code formating of contrib/lease-tools/dhcp_release6.c 39d8550 Run Debian startup regex in "C" locale. ef3d137 Fix infinite retries in strict-order mode. 8c707e1 Make 373e91738929a3d416e6292e65824184ba8428a6 compile without DNSSEC. 373e917 Fix a6004d7f17687ac2455f724d0b57098c413f128d to cope with >256 RRs in answer section. 74f0f9a Commment language tweaks. ed6bdb0 Man page typos. c88af04 Modify doc.html to mention git-over-http is now available. ae0187d Fix trust-anchor regexp in Debian init script. 0c50e3d Bump version in Debian package. 075366a Open inotify socket only when used. 8e8b2d6 Release notes update. 087eb76 Always return a SERVFAIL response to DNS queries with RD=0. ebedcba Typo in printf format string added in 22dee512f3738f87539a79aeb52b9e670b3bd104 0954a97 Remove RSA/MD5 DNSSEC algorithm. b77efc1 Tidy DNSSEC algorithm table use. 3b0cb34 Fix manpage which said ZSK but meant KSK. aa6f832 Add a few DNS RRs to the table. ad9c6f0 Add support for Ed25519 DNSSEC signature algorithm. a6004d7 Fix caching logic for validated answers. c366717 Tidy up add_resource_record() buffer size checks. 22dee51 Log DNS server max packet size reduction. 6fd5d79 Fix logic on EDNS0 headers. 9d6918d Use IP[V6]_UNICAST_IF socket option instead of SO_BINDTODEVICE for DNS. a49c5c2 Fix search_servers() segfault with DNSSEC. 30858e3 Spaces in CNAME options break parsing. Refresh patches. Remove upstreamed patches: 250-Fix-infinite-retries-in-strict-order-mode.patch 260-dnssec-SIGINT.patch 270-dnssec-wildcards.patch Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: backport validation fix in dnssec security fixKevin Darbyshire-Bryant2018-01-202-2/+2
| | | | | | | | A DNSSEC validation error was introduced in the fix for CVE-2017-15107 Backport the upstream fix to the fix (a simple typo) Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: backport dnssec security fixKevin Darbyshire-Bryant2018-01-192-1/+203
| | | | | | | | | | | | | | | | | | | | | | | | | CVE-2017-15107 An interesting problem has turned up in DNSSEC validation. It turns out that NSEC records expanded from wildcards are allowed, so a domain can include an NSEC record for *.example.org and an actual query reply could expand that to anything in example.org and still have it signed by the signature for the wildcard. So, for example !.example.org NSEC zz.example.org is fine. The problem is that most implementers (your author included, but also the Google public DNS people, powerdns and Unbound) then took that record to prove the nothing exists between !.example.org and zz.example.org, whereas in fact it only provides that proof between *.example.org and zz.example.org. This gives an attacker a way to prove that anything between !.example.org and *.example.org doesn't exists, when it may well do so. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: use SIGINT for dnssec time validKevin Darbyshire-Bryant2018-01-153-2/+122
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dnsmasq used SIGHUP to do too many things: 1) set dnssec time validation enabled, 2) bump SOA zone serial, 3) clear dns cache, 4) reload hosts files, 5) reload resolvers/servers files. Many subsystems within LEDE can send SIGHUP to dnsmasq: 1) ntpd hotplug (to indicate time is valid for dnssec) 2) odhcpd (to indicate a new/removed host - typically DHCPv6 leases) 3) procd on interface state changes 4) procd on system config state changes, 5) service reload. If dnssec time validation is enabled before the system clock has been set to a sensible time, name resolution will fail. Because name resolution fails, ntpd is unable to resolve time server names to addresses, so is unable to set time. Classic chicken/egg. Since commits 23bba9cb330cd298739a16e350b0029ed9429eef (service reload) & 4f02285d8b4a66359a8fa46f22a3efde391b5419 (system config) make it more likely a SIGHUP will be sent for events other than 'ntpd has set time' it is more likely that an errant 'name resolution is failing for everything' situation will be encountered. Fortunately the upstream dnsmasq people agree and have moved 'check dnssec timestamp enable' from SIGHUP handler to SIGINT. Backport the upstream patch to use SIGINT. ntpd hotplug script updated to use SIGINT. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: send procd signal on service reloadFlorian Eckert2017-12-262-2/+2
| | | | | | | Send a SIGHUP signal via procd to the dnsmasq service so the instance(s) re-read(s) the /tmp/hosts/dhcp config. Signed-off-by: Florian Eckert <fe@dev.tdt.de>
* dnsmasq: rewrite config on host name modificationFlorian Eckert2017-12-261-1/+1
| | | | | | | If the hostname in /etc/config/system is modified the dnsmasq should also get triggered to rewrite/reload the config. Signed-off-by: Florian Eckert <fe@dev.tdt.de>
* dnsmasq: add DHCP build switch support in full variantHans Dedecker2017-12-101-5/+10
| | | | | | | | Add config option which allows to enable/disable DHCP support at compile time. Make DHCPv6 support dependant on DHCP support as DHCPv6 support implies having DHCP support. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: write atomic host fileHans Dedecker2017-12-072-4/+6
| | | | | | | | | | | Different invocations of the dnsmasq init script (e.g. at startup by procd) will rewrite the dhcp host file which might result into dnsmasq reading an empty dhcp host file as it is being rewritten by the dnsmasq init script. Let the dnsmasq init script first write to a temp dhcp host file so it does not overwrite the contents of the existing dhcp host file. Reported-by: Hartmut Birr <e9hack@gmail.com> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: backport infinite dns retries fixHans Dedecker2017-12-063-3/+48
| | | | | | | | | | If all configured dns servers return refused in response to a query in strict mode; dnsmasq will end up in an infinite loop retransmitting the dns query resulting into high CPU load. Problem is fixed by checking for the end of a dns server list iteration in strict mode. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* packages: dnsmasq: remove unused stamp fileRoman Yeryomin2017-12-022-5/+1
| | | | | Signed-off-by: Roman Yeryomin <roman@advem.lv> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> [PKG_RELEASE increase]
* dnsmasq: add interface to ubus notificationBorja Salazar2017-11-291-5/+7
| | | | Signed-off-by: Borja Salazar <borja.salazar@fon.com>
* dnsmasq: fix dhcp-host entries with empty macsJo-Philipp Wich2017-11-281-3/+1
| | | | | | | | | | | | | | Due to improper localization of helper variables, "config host" entries without a given mac address may inherit the mac address of a preceeding, leading to invalid generated netive configuration. Fix the issue by marking the "macs" and "tags" helper variables in dhcp_host_add() local, avoiding the need for explicitely resetting them with each invocation. Reported-by: Russell Senior <russell@personaltelco.net> Tested-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* dnsmasq: load instance-specific conf-file if existsEmerson Pinter2017-11-192-8/+8
| | | | | | | Without this change, the instance-specific conf-file is being added to procd_add_jail_mount, but not used by dnsmasq. Signed-off-by: Emerson Pinter <dev@pinter.com.br>
* add PKG_CPE_ID ids to package and toolsAlexander Couzens2017-11-171-0/+1
| | | | | | | | | | | CPE ids helps to tracks CVE in packages. https://cpe.mitre.org/specification/ Thanks to swalker for CPE to package mapping and keep tracking CVEs. Acked-by: Jo-Philipp Wich <jo@mein.io> Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
* dnsmasq: fix swapped ubus args mac and ipJaroslav Safka2017-11-131-2/+2
| | | | | | | Fix swapped arguments "mac" and "ip" when calling function "ubus_event_bcast". Signed-off-by: Jaroslav Safka <devel@safka.org>
* dnsmasq: add listen_address parameterChristian Lamparter2017-10-132-1/+6
| | | | | | | | | | | | | | | | | | | | | | | This patch adds a parser for the uci representation of dnsmasq's "-a | --listen-address" option. In summary, this option forces dnsmasq to listen on the given IP address(es). Both interface and listen-address options may be given, in which case the set of both interfaces and addresses is used. Note that if no interface option is given, but listen_address is, dnsmasq will not automatically listen on the loopback interface. To achieve this, the loopback IP addresses, 127.0.0.1 and/or ::1 must be explicitly added. This option is useful for ujailed dnsmasq instances, that would otherwise fail to work properly, because listening to the "This host on this network" address (aka 0.0.0.0 see rfc1700 page 4) may not be allowed. Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (PKG_RELEASE increase)
* dnsmasq: bump to v2.78Kevin Darbyshire-Bryant2017-10-028-248/+18
| | | | | | Fixes CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494, 2017-CVE-14495, 2017-CVE-14496 Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
* dnsmasq: fix dhcp "ignore" option on wwan interfacesMarcin Jurkowski2017-09-182-3/+4
| | | | | | | | | | | | | | Init script won't append --no-dhcp-interface option if interface protocol is one of: ncm, directip, qmi, mbim. This is caused by IP address assigned to dynamically created netifd interfaces. As a result there's no netmask assigned to the main interface and dhcp_add() function returns prematurely. By moving network subnet check we can ensure that --no-dhcp-interface is properly generated for wwan interfaces. Signed-off-by: Marcin Jurkowski <marcin1j@gmail.com> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> [PKG_RELEASE increase; move network checks]
* dnsmasq: Pass TARGET_CPPFLAGS to MakefileFlorian Fainelli2017-09-161-1/+1
| | | | | | | | | With the introduction of the ubus notifications, we would now fail building dnsmasq with external toolchains that don't automatically search for headers. Pass TARGET_CPPFLAGS to the Makefile to resolve that. Fixes: 34a206bc1194 ("dnsmasq: add ubus notifications for new leases") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* dnsmasq: backport arcount edns0 fixKevin Darbyshire-Bryant2017-09-082-1/+45
| | | | | | | | | Don't return arcount=1 if EDNS0 RR won't fit in the packet. Omitting the EDNS0 RR but setting arcount gives a malformed packet. Also, don't accept UDP packet size less than 512 in received EDNS0. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
* dnsmasq: backport official fix for CVE-2017-13704Kevin Darbyshire-Bryant2017-09-073-38/+95
| | | | | | | | | Remove LEDE partial fix for CVE-2017-13704. Backport official fix from upstream. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com> (PKG_RELEASE increase)
* dnsmasq: forward.c: fix CVE-2017-13704Kevin Darbyshire-Bryant2017-08-302-1/+38
| | | | | | | | | | | | | | | | Fix SIGSEGV in rfc1035.c answer_request() line 1228 where memset() is called with header & limit pointing at the same address and thus tries to clear memory from before the buffer begins. answer_request() is called with an invalid edns packet size provided by the client. Ensure the udp_size provided by the client is bounded by 512 and configured maximum as per RFC 6891 6.2.3 "Values lower than 512 MUST be treated as equal to 512" The client that exposed the problem provided a payload udp size of 0. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> Acked-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: fix indentationHans Dedecker2017-08-251-3/+3
| | | | Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: add support for multiple tags for each host.Kuang Rufan2017-08-252-2/+7
| | | | | | | | | | | | | | | | | | | | | | | Currently, dnsmasq support assigning multiple tags to a host record (--dhcp-host), but we only support only 1 tag for a host. The commit makes the following config to be valid: config host option name 'computer' option mac '00:11:22:33:44:55' option ip '192.168.1.100' list tag 'vendor_class' list tag 'vendor_id' config tag 'vendor_class' list dhcp_option 'option:vendor-class,00:...<omitted>' config tag 'vendor_id' option force '1' list dhcp_option 'option:vendor-id-encap,00:...<omitted>' Signed-off-by: Kuang Rufan <kuangrufan@pset.suntec.net> Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: add ubus notifications for new leasesJohn Crispin2017-08-223-2/+143
| | | | Signed-off-by: John Crispin <john@phrozen.org>
* dnsmasq: introduce config support for forced DHCP optionsJo-Philipp Wich2017-07-211-5/+9
| | | | | | | | | | | Introduce a new UCI list setting `list dhcp_option_force` which is available in sections of type `dnsmasq` and `dhcp`. The `dhcp_option_force` setting has the same semantics as `dhcp_option` but generates `dhcp-option-force` directives instead of `dhcp-option` ones in emitted native configuration. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* dnsmasq: backport remove ping check of configured dhcp addressHans Dedecker2017-07-182-1/+29
| | | | | | | Remove ping check in DHCPDISCOVER case as too many buggy clients leave an interface in configured state causing the ping check to fail. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: restore ability to include/exclude raw device namesJo-Philipp Wich2017-07-102-3/+3
| | | | | | | | | | | | | Commit 5cd88f4 "dnsmasq: remove use of uci state for getting network ifname" broke the ability to specify unmanaged network device names for inclusion and exclusion in the uci configuration. Restore support for raw device names by falling back to the input value when "network_get_device" yields no result. Fixes FS#876. Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* dnsmasq: dnsmasq --rev-server supportDUPONCHEEL Sébastien2017-07-032-1/+6
| | | | | | | | | | This is functionally the same as --server, but provides some syntactic sugar to make specifying address-to-name queries easier. For example --rev-server=1.2.3.0/24,192.168.0.1 is exactly equivalent to --server=/3.2.1.in-addr.arpa/192.168.0.1 Signed-off-by: DUPONCHEEL Sébastien <sebastien.duponcheel@corp.ovh.com>
* dnsmasq: backport patch fixing DNS failover (FS#841)Hans Dedecker2017-06-281-0/+31
| | | | | | | Backport upstream dnsmasq patch fixing DNS failover when first servers returns REFUSED in strict mode; fixes issue FS#841. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: backport tweak ICMP ping logic for DHCPv4Hans Dedecker2017-06-262-1/+26
| | | | | | | | | | Don't start ping-check of address in DHCP discover if there already exists a lease for the address. It has been reported under some circumstances android and netbooted windows devices can reply to ICMP pings if they have a lease and thus block the allocation of the IP address the device already has during boot. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: add dhcp-range tags configurationGrégoire Delattre2017-06-202-2/+9
| | | | | | | | | | | | | | | | | | | dnsmasq can match tags in its dhcp-range configuration, this commit adds the option to configure it in the dhcp section uci configuration: config dhcp 'lan' option interface 'lan' list tag 'blue' list tag '!red' option start '10' option limit '150' option leasetime '12h' generated dnsmasq configuration: dhcp-range=tag:blue,tag:!red,set:lan,192.168.1.10,192.168.1.159,255.255.255.0,12h Signed-off-by: Grégoire Delattre <gregoire.delattre@gmail.com>
* Revert "dnsmasq: manage resolv.conf if when listening on 127.0.0.1#53"Hans Dedecker2017-06-142-36/+26
| | | | | | This reverts commit a53f8ba6771de64c9c82a2e6867791226f3003cb. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dnsmasq: manage resolv.conf if when listening on 127.0.0.1#53Paul Oranje2017-06-122-26/+36
| | | | | | | | | | With this patch the dnsmasq init script manages resolv.conf if and only if when dnsmasq will listen on 127.0.0.1#53 (is main resolver instance). Also, resolvfile is now set irrespective of the value of noresolv. Fixes (partially) FS#785 Signed-off-by: Paul Oranje <por@xs4all.nl>
* dnsmasq: make bind-dynamic 'non-wildcard' interfaces defaultKevin Darbyshire-Bryant2017-06-113-4/+6
| | | | | | | | | | | | | | | 'non-wildcard' interfaces enables dnsmasq's '--bind-dynamic' mode. This binds to interfaces rather than wildcard addresses *and* keeps track of interface comings/goings via a unique Linux api. Quoting dnsmasq's author "bind-dynamic (bind individual addresses, keep up with changes in interface config) ... On linux, there's actually no sane reason not to use --bind-dynamic, and it's only not the default for historical reasons." Let's change history, well on LEDE at least, and change the default! Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
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