Adding upstream version 5.3.1.upstream/5.3.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 411 insertions, 0 deletions

diff --git a/lib/cache/overflow.test.integr/deckard.yaml b/lib/cache/overflow.test.integr/deckard.yaml
new file mode 100644
index 0000000..61032fb
--- /dev/null
+++ b/lib/cache/overflow.test.integr/deckard.yaml
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+programs:
+- name: kresd1
+  binary: kresd
+  additional:
+    - -n
+  templates:
+    - lib/cache/overflow.test.integr/kresd_config.j2
+    - tests/config/test_dns_generators.lua
+  configs:
+    - config
+    - dns_gen.lua
+- name: kresd2
+  binary: kresd
+  additional:
+    - -n
+  templates:
+    - lib/cache/overflow.test.integr/kresd_config.j2
+    - tests/config/test_dns_generators.lua
+  configs:
+    - config
+    - dns_gen.lua
diff --git a/lib/cache/overflow.test.integr/kresd_config.j2 b/lib/cache/overflow.test.integr/kresd_config.j2
new file mode 100644
index 0000000..87dbd69
--- /dev/null
+++ b/lib/cache/overflow.test.integr/kresd_config.j2
@@ -0,0 +1,91 @@
+-- SPDX-License-Identifier: GPL-3.0-or-later
+
+trust_anchors.remove('.')
+{% for TAF in TRUST_ANCHOR_FILES %}
+trust_anchors.add_file('{{TAF}}')
+{% endfor %}
+
+modules.load("hints")
+hints.root({['{{ROOT_NAME}}'] = '{{ROOT_ADDR}}'})
+
+{% raw %}
+-- Disable RFC5011 TA update
+if ta_update then
+        modules.unload('ta_update')
+end
+
+-- Disable RFC8145 signaling, scenario doesn't provide expected answers
+if ta_signal_query then
+        modules.unload('ta_signal_query')
+end
+
+-- Disable RFC8109 priming, scenario doesn't provide expected answers
+if priming then
+        modules.unload('priming')
+end
+
+-- Disable this module because it make one priming query
+if detect_time_skew then
+        modules.unload('detect_time_skew')
+end
+
+verbose(true)
+policy.add(policy.all(policy.DEBUG_ALWAYS))
+
+cache.open(1*MB)
+
+{% endraw %}
+
+{% if DO_IP6 == "true" %}
+net.ipv6 = true
+{% else %}
+net.ipv6 = false
+{% endif %}
+
+{% if DO_IP4 == "true" %}
+net.ipv4 = true
+{% else %}
+net.ipv4 = false
+{% endif %}
+
+-- both instances listen on both addresses
+-- so queries get distributed between them randomly
+net.listen('{{programs[0]["address"]}}')
+net.listen('{{programs[1]["address"]}}')
+
+{% raw %}
+-- Self-checks on globals
+assert(help() ~= nil)
+assert(worker.id ~= nil)
+-- Self-checks on facilities
+assert(cache.stats() ~= nil)
+assert(cache.backends() ~= nil)
+assert(worker.stats() ~= nil)
+assert(net.interfaces() ~= nil)
+-- Self-checks on loaded stuff
+{% endraw %}
+
+assert(net.list()[1].transport.ip == '{{programs[0]["address"]}}')
+
+{% raw %}
+assert(#modules.list() > 0)
+-- Self-check timers
+ev = event.recurrent(1 * sec, function (ev) return 1 end)
+event.cancel(ev)
+ev = event.after(0, function (ev) return 1 end)
+
+local ffi = require('ffi')
+local kr_cach = kres.context().cache
+
+-- canary for cache overflow
+local kr_rrset = kres.rrset(
+	todname('www.example.com'),
+	kres.type.A,
+	kres.class.IN,
+	604800)
+assert(kr_rrset:add_rdata('\192\000\002\001', 4))
+assert(kr_cach:insert(kr_rrset, nil, ffi.C.KR_RANK_SECURE))
+
+local generators = dofile('./dns_gen.lua')
+event.after(0, generators.gen_batch)
+{% endraw %}
diff --git a/lib/cache/overflow.test.integr/world_cz_vutbr_www.rpl b/lib/cache/overflow.test.integr/world_cz_vutbr_www.rpl
new file mode 100644
index 0000000..eddfbd0
--- /dev/null
+++ b/lib/cache/overflow.test.integr/world_cz_vutbr_www.rpl
@@ -0,0 +1,298 @@
+do-ip4: no
+
+; test with real world Internet data
+; attempt to resolve www.vutbr.cz. A leads to CNAME piranha.ro.vutbr.cz.
+; sub-trees vutbr.cz and ro.vutbr.cz. are in separate zones
+; hosted on the same servers with different DNSKEYs
+
+val-override-date: 20170124180319
+trust-anchor: ".	172800	IN	DS	19036 8 2 49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5"
+stub-addr: 2001:dc3::35
+CONFIG_END
+
+SCENARIO_BEGIN www.vutbr.cz. CNAME kresd issue #130
+
+; DNS root ; M.ROOT-SERVERS.NET.
+RANGE_BEGIN 0 100
+	ADDRESS 2001:dc3::35
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO NOERROR
+SECTION QUESTION
+.		IN	DNSKEY
+SECTION ANSWER
+.	16567	IN	DNSKEY	257 3 8 AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq QxA+Uk1ihz0=
+.	16567	IN	DNSKEY	256 3 8 AwEAAYvgWbYkpeGgdPKaKTJU3Us4YSTRgy7+dzvfArIhi2tKoZ/WR1Df w883SOU6Uw7tpVRkLarN0oIMK/xbOBD1DcXnyfElBwKsz4sVVWmfyr/x +igD/UjrcJ5zEBUrUmVtHyjar7ccaVc1/3ntkhZjI1hcungAlOhPhHlk MeX+5Azx6GdX//An5OgrdyH3o/JmOPMDX1mt806JI/hf0EwAp1pBwo5e 8SrSuR1tD3sgNjr6IzCdrKSgqi92z49zcdis3EaY199WFW60DCS7ydu+ +T5Xa+GyOw1quagwf/JUC/mEpeBQYWrnpkBbpDB3sy4+P2i8iCvavehb RyVm9U0MlIc=
+.	16567	IN	RRSIG	DNSKEY 8 0 172800 20170201000000 20170111000000 19036 . Sh+EpofvZgk3J9szMD2B94FxFgyIUKz3hkbCjgWSTqPQyhqNgqVU8QlS EtOo8YLmS4AX98eit5Gmmb2ObpkGoXBmAzu5w/Qt5WsGsWzLQhYrsy9s lDmFQ2JKUoCyfdwqhlJ8VxjzdFdMUiVl+/GPnv4yjxjM8Ke3VAtBkn6n BO7JkcxxOfcgZdZ4MuvSr40K/SenZE+JlLLL1LF4TMCGqaZTTdOx6kFF KSSgy2AS884htWcK0tnwRc630g6nAI2wdvjlRLBeisbfXanI4v8iiPyT FnMmnV7wJGWJ4gtRJ0UH3u5RWXUPZ+s1tKytk3slXbLyQ9xkEDveuD+h b659gQ==
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR DO NOERROR
+SECTION QUESTION
+cz.		IN	NS
+SECTION AUTHORITY
+cz.	172800	IN	NS	d.ns.nic.cz.
+cz.	172800	IN	NS	a.ns.nic.cz.
+cz.	172800	IN	NS	c.ns.nic.cz.
+cz.	172800	IN	NS	b.ns.nic.cz.
+cz.	86400	IN	DS	54576 10 2 397E50C85EDE9CDE33F363A9E66FD1B216D788F8DD438A57A423A386 869C8F06
+cz.	86400	IN	RRSIG	DS 8 1 86400 20170202170000 20170120160000 61045 . ig2BBmA1kOuTqhVogqLciH40Ina7BCrG/fcaNARSWoaFHGOcC/7KsBZO uMttn/hKDJkH3RPsed2Oswl9bXZ+zrhjeXluUqC0zmsUJDBkS+AkiFJL HCpMSIZaXu/w1ZMADGfyQXl7XWCRbl+eyXi2eTG0SdLtRHNhm3CGJP3C xjzVuOTr9oPEyL0U81jhhlJPCFe8xDD441wLLzpEuVX8VP9N2S1QnIjO BhCEE9OTkPgpS7fMPEl0Yq2gfpRl+DCw1Dd0VB3Hh5M3hmrXuFqNYZQK b0JqDFGYhzvcpUs3EiB9IG7rJt51n6pxCTek1M2w+s6mLYzawVfq+b1Q uQD98A==
+SECTION ADDITIONAL
+a.ns.nic.cz.	172800	IN	A	194.0.12.1
+b.ns.nic.cz.	172800	IN	A	194.0.13.1
+c.ns.nic.cz.	172800	IN	A	194.0.14.1
+d.ns.nic.cz.	172800	IN	A	193.29.206.1
+a.ns.nic.cz.	172800	IN	AAAA	2001:678:f::1
+b.ns.nic.cz.	172800	IN	AAAA	2001:678:10::1
+c.ns.nic.cz.	172800	IN	AAAA	2001:678:11::1
+d.ns.nic.cz.	172800	IN	AAAA	2001:678:1::1
+ENTRY_END
+; end of M.ROOT-SERVERS.NET.
+RANGE_END
+
+
+; domains: cz. ; ?.ns.nic.cz.
+RANGE_BEGIN 0 100
+	ADDRESS 194.0.12.1
+	ADDRESS 194.0.13.1
+	ADDRESS 194.0.14.1
+	ADDRESS 193.29.206.1
+	ADDRESS 2001:678:f::1
+	ADDRESS 2001:678:10::1
+	ADDRESS 2001:678:11::1
+	ADDRESS 2001:678:1::1
+
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA RD NOERROR
+SECTION QUESTION
+cz.		IN	DNSKEY
+SECTION ANSWER
+cz.	18000	IN	DNSKEY	256 3 10 AwEAAc9e2YFnG56xtTXu42GLGAkwsrFOBBwOZphNat7HQdBmfi0CbmDf oywCUsaSkObNmm+Zu9MYLNJDHsD+vxsZbtHClpYaSEhMEmHrbnj0BMPV A6hwY6YDGFhKudJ62RmB/rmhQ3iwmICsEdRn2w5fu1rHZv8UJOUMkeWd 6GA48mW3
+cz.	18000	IN	DNSKEY	256 3 10 AwEAAdWL2Br92Vx0dLEOOB8y02ss8LtKIyGlLJ2ymJ02WqR3AAEEZN0f NPKF77kdKsjlG8DlzmSIOR12aa9EhpXqyHOwWI0kHOMJVnn6ZKFIAl71 JP/dYIcshYUxKZZMe+zEAUrVtzlLVDtM6cDOPDuBNa1ujYec3eJl9Ipq eUEG6gAH
+cz.	18000	IN	DNSKEY	257 3 10 AwEAAay0hi4HN2r/BqMQTpIPIVDyjmyF+9ZWvr5Lewx+q+947o/GrRv4 FGFfkZxf9CFfYVUf0jG5Yq4i06pGVNwJl81HS9Ux2oeHRXUvgtLnl5He RVLL+zgI5byx9HSNr4bPO8ZEn5OjoayhkNyGSFr4VWrzQk/K02vLP4d1 cCEzUQy30eyZto2/tG5ZwCU/iRkS1PJOcOW98hiFIfFDZv1XjbEpqEYh T2PATs6rt+BKwSHKGISmg1PNdg+y0rItemYMWr1f9BGAdtTWoPCPCYPj OZMPoIyA4tMscD+ww54Jf/QNoHccY4hO1yHiuAXG7SUn8jo0IKQ9W7JJ xES0aqFCX/0=
+cz.	18000	IN	RRSIG	DNSKEY 10 1 18000 20170127000000 20170120000000 54576 cz. Fdl//hMdLoZq8//gLt/+3a7LfWqB5/psW9YR3AWNPQGfvrEAcKRBcah+ ikbSCmpAZ6j834xZP1zPd5xMoN33PGXf23iqcgjHvUn50Uq48KRBVYwU H885xNJBl/Po0N8STeG0WNZz2mbUbBbPCGN7CI5yl08usvqOvf2fV8+D 0m//+Fa1cWaqMXpHc6OnhWZ+BN4VdcxxwNbGhH2TZxyiGEMMscEGoIxn yL1pVY8T93LOMwQmuFJ71f8Scij3vYouW/mNuEma/UUZM1bEn8vR1UrP /6JTGPGTG+snHvCxiVtAxCNnqoIJDD+xuonpZLeKN5XU7UDMZPDTtSgX vtzjww==
+cz.	18000	IN	RRSIG	DNSKEY 10 1 18000 20170205002523 20170123080953 58211 cz. MZ6KTtQisTde4iOBH6oasl7bVrRM5ly7Yxdv2l+2gk1YYk4zX6L3m6oB P26SKi+fj8pM77775bRK7uCI9FlyqXa3MJclLU/GmnRANm6T4sSdz0zs F3FK4UfUmHnzdnWXWTnueDfIZr44yF1y1+4I3E96/9/nEYGO+xsifvIj iks=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR DO NOERROR
+SECTION QUESTION
+vutbr.cz.			IN	NS
+SECTION AUTHORITY
+vutbr.cz.		18000	IN	NS	pipit.cis.vutbr.cz.
+vutbr.cz.		18000	IN	NS	rhino.cis.vutbr.cz.
+vutbr.cz.		18000	IN	DS	5512 5 2 78510F9433A4D536A5B9099193E9D58EE5B5CF71F14D983B4DA2EB16 29CFA1E9
+vutbr.cz.		18000	IN	RRSIG	DS 10 2 18000 20170204213601 20170123080953 58211 cz. lXNBswz/r/1NY7VQq+BlisC+1yqFmUBIaF30L8XDAbiHLcj/AIj0dEy6 PlBlkEeDAi4W9DvR0jo9LjHvFFJLs54cuEEd3pHTdlw8x0dLd1X7Zkh7 cezfAt2EEqdux/ce/sc86lUKOpLnDtry2piWwVf2EqFg9NlW4cHTm78U gsY=
+SECTION ADDITIONAL
+pipit.cis.vutbr.cz.	18000	IN	A	77.93.219.110
+rhino.cis.vutbr.cz.	18000	IN	A	147.229.3.10
+pipit.cis.vutbr.cz.	18000	IN	AAAA	2a01:430:120::4d5d:db6e
+rhino.cis.vutbr.cz.	18000	IN	AAAA	2001:67c:1220:e000::93e5:30a
+ENTRY_END
+
+; end of domain cz.: servers ?.ns.nic.cz.
+RANGE_END
+
+
+; domains: vutbr.cz. + ro.vutbr.cz.
+; servers: pipit.cis.vutbr.cz. + rhino.cis.vutbr.cz. + shark.ro.vutbr.cz.
+; shark.ro.vutbr.cz. in fact serves both domains but is listed only in ro.vutbr.cz NS
+RANGE_BEGIN 0 100
+	ADDRESS 77.93.219.110
+	ADDRESS 147.229.3.10
+	ADDRESS 147.229.2.59
+	ADDRESS 2a01:430:120::4d5d:db6e
+	ADDRESS 2001:67c:1220:e000::93e5:30a
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+vutbr.cz.		IN	NS
+SECTION ANSWER
+vutbr.cz.		28800	IN	NS	rhino.cis.vutbr.cz.
+vutbr.cz.		28800	IN	NS	pipit.cis.vutbr.cz.
+vutbr.cz.		28800	IN	RRSIG	NS 5 2 28800 20170216060902 20170117060902 39756 vutbr.cz. y6Jj5vfvdlLeecB/++/qyhjCzfnFJyY1sX1Ja+wV0ulq3laeCVV7ICXh PKG+CjHUu/nDOrzT9QJP4qxYDCANneI0yxI82XKhhoTN5O/TxyWH/DyT k8JarRoMooHv2RwKd8jtLIxvj1SaJ+AvlP0pOPraaVgbHtn1SJ4ubxQD cFc=
+SECTION ADDITIONAL
+pipit.cis.vutbr.cz.	86400	IN	A	77.93.219.110
+pipit.cis.vutbr.cz.	86400	IN	AAAA	2a01:430:120::4d5d:db6e
+rhino.cis.vutbr.cz.	86400	IN	A	147.229.3.10
+rhino.cis.vutbr.cz.	86400	IN	AAAA	2001:67c:1220:e000::93e5:30a
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. Cz9etHnEOQTzu+6rYJEqx/SQ1tQgPOCyf8HSj4KOsx89jtgiHNC6pep6 ZE0SphMGAs3jC/uGIhlaFNZ3i38OQIMuqwacbz+XZyW5bByvV3QZrhqh dFxMDfmPuNiCAT3crFpUkvVW1OE3YfGHzZGXX7JP5wb1b8A3X6Qih7fV +nQ=
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. piafjh6my2fooZRrzwCu9RQ95gYaMQkhIkDaGX/fT6wXzSdmgFZkS1Nl EMIKdDCQaPrLGMG3p32ptMkAm4esPekeyNtLSMBtXwZyUkgEGn6h1QM2 Yr3TOo8cixfk5nmRRdlYadf5krLb8yI9exiqeymgEQLa1YNRz/bWArlX bn8=
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. X/tDf8e3JEV0LxiItfpQnBzeaRIq693VG8d30iCH4/1I0uqyCfxboWmm /CBpn9A8MCJu9NEEv+4+povNlfUfqi2yjsqJEVj8ztHxD4g9cc284Cv6 ySjxrSZ9axVqoaopEXujiTwwWJUFcgF6pxqyXVksW7sgKJrboM4VSlQD +Sw=
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. T3Yf5PAkSeJtoOH90ea9zZBG9FC3iFhiCSerDn6d9up8GRfzxDsavYJC zQu+3vnOySySn+3TMzQSSFcWdJC2iO7ulaDGr177Gof9QJbKSVSMW7jt YDE2f4/R4Go3NZVwjk/HfpCInoR6pHNA1s/9hMnWtiVopmBdfzyd3/sW YOU=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+vutbr.cz.		IN	DNSKEY
+SECTION ANSWER
+vutbr.cz.	28800	IN	DNSKEY	256 3 5 AwEAAfwRRuGjpt9v4fzuIWFA9MtGfxDrIKhoFA7DNq6B+iCOoQb6t0HZ I9lGDUSR5DRswDGP569NJ/uVD4tJxGnaK2SBQVxIu+bEP1Ouzk+O43iO 8odw50NBWetljjNDP32B3zHpgJRpxyEqzDQaQ6B4Zer6sDZm9wo5SVJe r9LjJV9p
+vutbr.cz.	28800	IN	DNSKEY	257 3 5 AwEAAfhR+s/4SLZZNA+kD2u1UgYBUu+X3Avi60QCaE1o2STterM405s8 mWMWJOlZGtjjIky3TEMxQ0+ZtMbEeJu2wNDLdV/XglX+pJAjyy728WJH 4u2/gJR8ZWsEIc0Jwb4FjwmBiF2Koz0SGVvrzEZ9T1H7dHq2X6f8KzYB otJyrAIWr9tZi/9tHrngZJ5wXELmMPWCfEFapdQMoKWoNvzrMYFli17R Mz7gJzCmNxMRV8/WkjsNPgYsTKpsAT8qEsXiTN9987AIKPHvc5j+/njq +fTXdOqGVpIgSiso+qJMddEMBcu/MBBYVFOwRQe1ez2tMwIX7y5mwDvK 0wsmyRvHugfFuxSnfiJvQr05kSnj0wxD9s9LNhrF4PocrcYqnBN/lBx9 D6633jJ3zT3T5Foe/Vj9A/X7F2oN6FOkdwO+YSEUot980pJQut6DR22U P4bLakyDMiTdOQ31c/dRIoTsccxw+838pXFyEPgiqOHRSeN/w9km6BID cl+32Xq97kXSMQH6AxOUsx9/Mxdj7ISwbS4utaAWoP460+TMcnfJfWfB NEWhuFvnfB9l63ZjZToB2PUVhrTxRwKUlfMLegSJKoZfiae82kK1pN4x FYyquKSykm/oXsM2w4OQvpqGcTwAXzZ5s95J45f7PsCap0bscGKumxsH cDswWpUz/UVosIrr
+vutbr.cz.	28800	IN	RRSIG	DNSKEY 5 2 28800 20170216060902 20170117060902 5512 vutbr.cz. QHw07MAjA4NFi3On8zaMw/q4IuADXVp4TODfK5PHb8OUIX2Yy+bKLrSX /Cc9ClWUpE69x80F9dFEeRZGJiYOwstNQGQVeq/EKNytm1XmhS8cp3SW CYHBpLjZGPrlhvqPhWd0S4vqPNiD8hDzgFAgaCNfwXDDKXhF2/qtpQ0V pDnytMP6pNPLPMpF2hzaLfCMzABShxcEOAr7+KTbxbffOik4YneG8seu XDtBvCVjP8lJcSU+q+UbotLnjyOgn8vV8pliTNqcvRsJTdtvTlJKHu8B iLkFeCE1DpRhyrVT5zC9NSOcoIv7tau2NE2oUPgtRzK76el6i9L9LcSs G+59j02AINefpAtc6W2khmTnGthibeOy/F9FuFkXUy6AmqIdNszMAj++ 8Mzv3A1OHfsfpIS3tLmC4drhdSHr2ab0Pe0lYQq2a9FSeQzSk6s9gwwZ gMVPVQHbouyvn6BCHaRVDjTV8GPKlk3C8GNaHcHb1hAGSPpw3kqL41dd K92Un4tLIoOYomxUYoyMtyxxwddXyR7ivToUHF7e/yv8MACMEo72N9sf y4zLEqkL1mJ1pCp3csI1bKaaA/c7sqb7PX93iqvoY06k55Pd7kT+lAF1 7QvXGg4U1kDrwytQPyocN8wmsX3//CpWUD07v8fCUqKOcIrVNGnoPmPC PpNe3AtpJoE=
+vutbr.cz.	28800	IN	RRSIG	DNSKEY 5 2 28800 20170216060902 20170117060902 39756 vutbr.cz. CNDE7Ht7xm8Jo9tuOlJ8N9+vI/Htfpk53MI0HG7B1EZJws/yEV7YFOOL SIAt3rzu1OHjaxr4CG/baqGRPtsaWSBHuLSdSduivxXw8xiQcMKzP6Cz 7xhJkQZxzDJ4oO5L2K2zWHcAJ8lfP1/3NHHoH1p2RATLN5sI7ofQE//W +ck=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+www.vutbr.cz.			IN	A
+SECTION ANSWER
+www.vutbr.cz.		300	IN	CNAME	piranha.ro.vutbr.cz.
+www.vutbr.cz.		300	IN	RRSIG	CNAME 5 3 300 20170216060902 20170117060902 39756 vutbr.cz. 9B3UC5SOEw1+yKlYlOTINEuNq0Kdglywc5IYJwzeSzQ3ykptzZo3ABSy bYhTqImVkhm/4NFM9/4HWMHPDzTmrWS0mCI/ljCd/oe/PxW/uESvo4P5 EQzlcuH6xBzc1KdEFAJOSmRzFjj3vyK1QN3k/c+1y2oMFOYOR2oOzCw+ MIE=
+piranha.ro.vutbr.cz.	3600	IN	A	147.229.2.90
+piranha.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. Jz8bcAADQjCKTCcF70IK1aHGQlM4ukyN0myABlxoPaqid1mHX5jwR91b kdQmUAh2xDitlgRLbFjbUUgmjSPzQ5Qt7GAFUsVmqxvjbOLZjqHER1dh zmiWO0fDvvP647Osv3RiAP822rNUJcJrUBZU9LmeP05gwIHcpJrhdVBT b7I=
+SECTION AUTHORITY
+ro.vutbr.cz.		86400	IN	NS	shark.ro.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	rhino.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	pipit.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	RRSIG	NS 5 3 86400 20170222120032 20170123120032 12150 ro.vutbr.cz. HAQ8A+QNsS1WIXdW/fbT3jP+IxObBBvgUmvzsmJBXo8HMtnMAcuCQGmB 2JBQsQethQXsdyLnMK8to/5A9VRkqkAa7edxUoy7SdDi/mzGeLAVhF+5 kXSPD6t1vjiNdnIYAMpiOQbodCGxAnq6jnNyrjEzffdq3qw+5IkFNdG4 7Pw=
+SECTION ADDITIONAL
+rhino.cis.vutbr.cz.	83217	IN	A	147.229.3.10
+rhino.cis.vutbr.cz.	83217	IN	AAAA	2001:67c:1220:e000::93e5:30a
+shark.ro.vutbr.cz.	3600	IN	A	147.229.2.59
+pipit.cis.vutbr.cz.	14794	IN	A	77.93.219.110
+pipit.cis.vutbr.cz.	14794	IN	AAAA	2a01:430:120::4d5d:db6e
+rhino.cis.vutbr.cz.	83217	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. X/tDf8e3JEV0LxiItfpQnBzeaRIq693VG8d30iCH4/1I0uqyCfxboWmm /CBpn9A8MCJu9NEEv+4+povNlfUfqi2yjsqJEVj8ztHxD4g9cc284Cv6 ySjxrSZ9axVqoaopEXujiTwwWJUFcgF6pxqyXVksW7sgKJrboM4VSlQD +Sw=
+rhino.cis.vutbr.cz.	83217	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. T3Yf5PAkSeJtoOH90ea9zZBG9FC3iFhiCSerDn6d9up8GRfzxDsavYJC zQu+3vnOySySn+3TMzQSSFcWdJC2iO7ulaDGr177Gof9QJbKSVSMW7jt YDE2f4/R4Go3NZVwjk/HfpCInoR6pHNA1s/9hMnWtiVopmBdfzyd3/sW YOU=
+shark.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. SmhgyF48yX/6yH7AdSmGX60NL/xaiKH/oAzB0rnPfQZ6j+UfV57ginVV lj798K9A8jjucUpqE8ua2mZ6/aOhpqlV2iI0CZXG44zOupsCY1/OXBDx YNetBcjoXDQCBQRLLLEUL5FerDVxqT74ngdLdKubwRdrB0TLQlvpBr+F Tc8=
+pipit.cis.vutbr.cz.	85923	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. Cz9etHnEOQTzu+6rYJEqx/SQ1tQgPOCyf8HSj4KOsx89jtgiHNC6pep6 ZE0SphMGAs3jC/uGIhlaFNZ3i38OQIMuqwacbz+XZyW5bByvV3QZrhqh dFxMDfmPuNiCAT3crFpUkvVW1OE3YfGHzZGXX7JP5wb1b8A3X6Qih7fV +nQ=
+pipit.cis.vutbr.cz.	85923	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. piafjh6my2fooZRrzwCu9RQ95gYaMQkhIkDaGX/fT6wXzSdmgFZkS1Nl EMIKdDCQaPrLGMG3p32ptMkAm4esPekeyNtLSMBtXwZyUkgEGn6h1QM2 Yr3TOo8cixfk5nmRRdlYadf5krLb8yI9exiqeymgEQLa1YNRz/bWArlX bn8=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+ro.vutbr.cz.       		IN      NS
+SECTION ANSWER
+ro.vutbr.cz.		86400	IN	NS	pipit.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	rhino.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	shark.ro.vutbr.cz.
+ro.vutbr.cz.		86400	IN	RRSIG	NS 5 3 86400 20170222120032 20170123120032 12150 ro.vutbr.cz. HAQ8A+QNsS1WIXdW/fbT3jP+IxObBBvgUmvzsmJBXo8HMtnMAcuCQGmB 2JBQsQethQXsdyLnMK8to/5A9VRkqkAa7edxUoy7SdDi/mzGeLAVhF+5 kXSPD6t1vjiNdnIYAMpiOQbodCGxAnq6jnNyrjEzffdq3qw+5IkFNdG4 7Pw=
+SECTION ADDITIONAL
+rhino.cis.vutbr.cz.	86400	IN	A	147.229.3.10
+rhino.cis.vutbr.cz.	86400	IN	AAAA	2001:67c:1220:e000::93e5:30a
+shark.ro.vutbr.cz.	3600	IN	A	147.229.2.59
+pipit.cis.vutbr.cz.	86400	IN	A	77.93.219.110
+pipit.cis.vutbr.cz.	86400	IN	AAAA	2a01:430:120::4d5d:db6e
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. X/tDf8e3JEV0LxiItfpQnBzeaRIq693VG8d30iCH4/1I0uqyCfxboWmm /CBpn9A8MCJu9NEEv+4+povNlfUfqi2yjsqJEVj8ztHxD4g9cc284Cv6 ySjxrSZ9axVqoaopEXujiTwwWJUFcgF6pxqyXVksW7sgKJrboM4VSlQD +Sw=
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. T3Yf5PAkSeJtoOH90ea9zZBG9FC3iFhiCSerDn6d9up8GRfzxDsavYJC zQu+3vnOySySn+3TMzQSSFcWdJC2iO7ulaDGr177Gof9QJbKSVSMW7jt YDE2f4/R4Go3NZVwjk/HfpCInoR6pHNA1s/9hMnWtiVopmBdfzyd3/sW YOU=
+shark.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. SmhgyF48yX/6yH7AdSmGX60NL/xaiKH/oAzB0rnPfQZ6j+UfV57ginVV lj798K9A8jjucUpqE8ua2mZ6/aOhpqlV2iI0CZXG44zOupsCY1/OXBDx YNetBcjoXDQCBQRLLLEUL5FerDVxqT74ngdLdKubwRdrB0TLQlvpBr+F Tc8=
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. Cz9etHnEOQTzu+6rYJEqx/SQ1tQgPOCyf8HSj4KOsx89jtgiHNC6pep6 ZE0SphMGAs3jC/uGIhlaFNZ3i38OQIMuqwacbz+XZyW5bByvV3QZrhqh dFxMDfmPuNiCAT3crFpUkvVW1OE3YfGHzZGXX7JP5wb1b8A3X6Qih7fV +nQ=
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. piafjh6my2fooZRrzwCu9RQ95gYaMQkhIkDaGX/fT6wXzSdmgFZkS1Nl EMIKdDCQaPrLGMG3p32ptMkAm4esPekeyNtLSMBtXwZyUkgEGn6h1QM2 Yr3TOo8cixfk5nmRRdlYadf5krLb8yI9exiqeymgEQLa1YNRz/bWArlX bn8=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+ro.vutbr.cz.       		IN      DS
+SECTION ANSWER
+ro.vutbr.cz.		28800	IN	DS	16627 5 2 1AEE56EAF9D01A51C8C524E55A7FAE0E27207911F0FA6126052CE5B3 39335FC8
+ro.vutbr.cz.		28800	IN	DS	16627 5 1 BFDFD0FB1EDFCEBFB9ECB13C93F9CA65755217BA
+ro.vutbr.cz.		28800	IN	RRSIG	DS 5 3 28800 20170216060902 20170117060902 39756 vutbr.cz. OOJfGI14bRHqeWhRLMOa75pfHo+clR4rMJpvO3PPjmheownqy2awA7u3 xR5FJko7A6e+difoJdAWCMzN7x1qcrd1htOOKOc7wtcb+QC2JH8B/e0G 0gNPw2UKsFL1Qw9HQkSqxyIaCGg3nMLO1hh3AVccZadw2f/jLpAzw5/1 pLA=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+ro.vutbr.cz.       		IN      DNSKEY
+SECTION ANSWER
+ro.vutbr.cz.		3600	IN	DNSKEY	256 3 5 AwEAAb4tyN4pqltB48s1xQS3ZPXnTZJMvgXxiouXU9xtzj4wnhjhZp45 H7ozslWuksrwQWhZ8AASAD5kPFbQRbwpQ7xbEb3xdKHaWCFpyRCTkrqa ZQZQy4gaVqO+oRW42dIQ9K08A/WfvRuRDtw3VWDATp9pUkgpvb1n6+lp 71YK19RX
+ro.vutbr.cz.		3600	IN	DNSKEY	257 3 5 AwEAAef6bqTAl94KddNHvit41gw6QBKkiYjUeS+UP58VHybV29RC7sSE +rYmkXabaMOLmoqMQRMepBEaUdM5OoZBWibHrPAbG0Wf+vlMOoWD5+EC 2mCxrUntIlOuS4XpMTh22+l0k1xSPiMGKjY0BDR95Iu3dDezCVl9PkPp tHj/rAnRTH7Q0fH9Mip8sigosd/CmsoY03I0AcZT4z1+XpGsq5Npxwtj 7cz0SRTI/eV5nynNYK+vr6kOfU1fw7p8/wxIfXkks0Xy8ktXa26DFdw1 RoqVlTS1s1diFyF5niCOT6Ei2kAlf0fggZJBypwoK+6J42wwD2OhORX+ lKrhooaN4TU9AcHwgv25XTXhUq4tYh+veazdXNWDjEb3ZyLM8fKERCa9 YtDBFoHM7yFOHbsOhHKMn8F6T2Boi73hU/+wspjL/n8taKevyyygGg+U g4ugo2pTIouAs5DNnv+nUrpctcKZ5nMEUVl+3XBsXplIyz9QEKHWdFzL gyfIZEok8WdYHebcIy1vJrxzqCNw9ixnTn+OK1lwlMToVH1AGpvRKRPo wGSFaIrDyXxKul34j2jEhP9TWRcJqncy166Ueu3c0BKmclM29N8jeWbP 3TqRJ3RRxNj/vk6c/UGmmrHEz8YdNp2L0hv3JgItr2GujCvPApUvLNPW C7DSErQ3JsjV3gah
+ro.vutbr.cz.		3600	IN	RRSIG	DNSKEY 5 3 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. pN+8YElj24dhtnOQ20sjWxJTjx+FLTMrPms1lWIJKZtp2evQBG5AnAep 6w0QeMUTIh9ter58Dh6wu2IN4uA1h3ThxnSgwLraOChUFBtPTO8h5y8J mAq4KXSfqbEcHzZO/nBAtxSUk7aUz7yWf09xE+iozW3ORRWIXovMYci5 eEw=
+ro.vutbr.cz.		3600	IN	RRSIG	DNSKEY 5 3 3600 20170222120032 20170123120032 16627 ro.vutbr.cz. DSaIAl+iyToM8+ai9xuRVcRshYyI66XHWkOz0XEbIAwbc8aEMEeFCA91 1vpuBb6H92MXvM8hYsBhZHNIA0ApoIE4bdyEGZY05XN3GYgJ4BEhXJVM RR+inJf+vGGqdlRP6F2sPO+rCqfxWBvSoUFU7DpCpkl7hz2Ex0Clm9C9 YnWgL+tGmAH33s2Y8lTA3hG/0W0NxD5zy1LiyDa8Ls3vV4MC6gVxyloT Capd8FkDL9PmgW0gMRNtIWmc5Hw+j/HRMoy+oRCe8PIfUL/Dpx3iTAH8 iN3wV8apV2uPa0L8QgpixK4Tc87aSainCopVY+NOc5t0HErUzj8i7qA9 J/cRtQvlUzln5vBsrQsVIzIeNV4o8/cM3zFyfdKkHh1tWYKLJKkjfXc5 +7VMvF8PnoHceT/Zr2gCc8tnygRobypzgqy3p69bRJqiT0/eCAgpGusV 1DCOJY0sdiGDZEtpqeINbAgGKAMmmNwjIwYSFowRzdawip1wNd+90RhI +8hvx8Sc5+K5Mom2BF2wGHf/2Kv/ArzyXxqqcNozM61L1AjxIsBHjnLZ TzPlLntmiHUVaqET9Yc3G0K/RdsIpqz4M79N0BX66a58x2a3fLqQdrEC QshZPNxk2S4eCsrVRjHvU4a7e74Rbf/zXp89Y+jmwBbDMdnp+2/h9s6U J0sEBCYyo9M=
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR AA DO
+SECTION QUESTION
+piranha.ro.vutbr.cz.		IN	A
+SECTION ANSWER
+piranha.ro.vutbr.cz.	3600	IN	A	147.229.2.90
+piranha.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. Jz8bcAADQjCKTCcF70IK1aHGQlM4ukyN0myABlxoPaqid1mHX5jwR91b kdQmUAh2xDitlgRLbFjbUUgmjSPzQ5Qt7GAFUsVmqxvjbOLZjqHER1dh zmiWO0fDvvP647Osv3RiAP822rNUJcJrUBZU9LmeP05gwIHcpJrhdVBT b7I=
+SECTION AUTHORITY
+ro.vutbr.cz.		86400	IN	NS	shark.ro.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	rhino.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	NS	pipit.cis.vutbr.cz.
+ro.vutbr.cz.		86400	IN	RRSIG	NS 5 3 86400 20170222120032 20170123120032 12150 ro.vutbr.cz. HAQ8A+QNsS1WIXdW/fbT3jP+IxObBBvgUmvzsmJBXo8HMtnMAcuCQGmB 2JBQsQethQXsdyLnMK8to/5A9VRkqkAa7edxUoy7SdDi/mzGeLAVhF+5 kXSPD6t1vjiNdnIYAMpiOQbodCGxAnq6jnNyrjEzffdq3qw+5IkFNdG4 7Pw=
+SECTION ADDITIONAL
+rhino.cis.vutbr.cz.	86400	IN	A	147.229.3.10
+rhino.cis.vutbr.cz.	86400	IN	AAAA	2001:67c:1220:e000::93e5:30a
+shark.ro.vutbr.cz.	3600	IN	A	147.229.2.59
+pipit.cis.vutbr.cz.	86400	IN	A	77.93.219.110
+pipit.cis.vutbr.cz.	86400	IN	AAAA	2a01:430:120::4d5d:db6e
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. X/tDf8e3JEV0LxiItfpQnBzeaRIq693VG8d30iCH4/1I0uqyCfxboWmm /CBpn9A8MCJu9NEEv+4+povNlfUfqi2yjsqJEVj8ztHxD4g9cc284Cv6 ySjxrSZ9axVqoaopEXujiTwwWJUFcgF6pxqyXVksW7sgKJrboM4VSlQD +Sw=
+rhino.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. T3Yf5PAkSeJtoOH90ea9zZBG9FC3iFhiCSerDn6d9up8GRfzxDsavYJC zQu+3vnOySySn+3TMzQSSFcWdJC2iO7ulaDGr177Gof9QJbKSVSMW7jt YDE2f4/R4Go3NZVwjk/HfpCInoR6pHNA1s/9hMnWtiVopmBdfzyd3/sW YOU=
+shark.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. SmhgyF48yX/6yH7AdSmGX60NL/xaiKH/oAzB0rnPfQZ6j+UfV57ginVV lj798K9A8jjucUpqE8ua2mZ6/aOhpqlV2iI0CZXG44zOupsCY1/OXBDx YNetBcjoXDQCBQRLLLEUL5FerDVxqT74ngdLdKubwRdrB0TLQlvpBr+F Tc8=
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	A 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. Cz9etHnEOQTzu+6rYJEqx/SQ1tQgPOCyf8HSj4KOsx89jtgiHNC6pep6 ZE0SphMGAs3jC/uGIhlaFNZ3i38OQIMuqwacbz+XZyW5bByvV3QZrhqh dFxMDfmPuNiCAT3crFpUkvVW1OE3YfGHzZGXX7JP5wb1b8A3X6Qih7fV +nQ=
+pipit.cis.vutbr.cz.	86400	IN	RRSIG	AAAA 5 4 86400 20170204080646 20170105080646 28257 cis.vutbr.cz. piafjh6my2fooZRrzwCu9RQ95gYaMQkhIkDaGX/fT6wXzSdmgFZkS1Nl EMIKdDCQaPrLGMG3p32ptMkAm4esPekeyNtLSMBtXwZyUkgEGn6h1QM2 Yr3TOo8cixfk5nmRRdlYadf5krLb8yI9exiqeymgEQLa1YNRz/bWArlX bn8=
+ENTRY_END
+
+; end of pipit.cis.vutbr.cz. & rhino.cis.vutbr.cz.
+RANGE_END
+
+
+STEP 1 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+www.vutbr.cz. IN A
+ENTRY_END
+
+; recursion happens here.
+STEP 10 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH flags rcode question answer
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+www.vutbr.cz.		IN	A
+SECTION ANSWER
+www.vutbr.cz.		IN	CNAME	piranha.ro.vutbr.cz.
+piranha.ro.vutbr.cz.	IN	A	147.229.2.90
+ENTRY_END
+
+STEP 20 QUERY
+ENTRY_BEGIN
+REPLY RD DO
+SECTION QUESTION
+www.vutbr.cz.		IN	A
+ENTRY_END
+
+STEP 21 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH flags rcode question answer
+REPLY QR RD RA AD NOERROR
+SECTION QUESTION
+www.vutbr.cz.		IN	A
+SECTION ANSWER
+www.vutbr.cz.		IN	CNAME	piranha.ro.vutbr.cz.
+www.vutbr.cz.		IN	RRSIG	CNAME 5 3 300 20170216060902 20170117060902 39756 vutbr.cz. 9B3UC5SOEw1+yKlYlOTINEuNq0Kdglywc5IYJwzeSzQ3ykptzZo3ABSy bYhTqImVkhm/4NFM9/4HWMHPDzTmrWS0mCI/ljCd/oe/PxW/uESvo4P5 EQzlcuH6xBzc1KdEFAJOSmRzFjj3vyK1QN3k/c+1y2oMFOYOR2oOzCw+ MIE=
+piranha.ro.vutbr.cz.	IN	A	147.229.2.90
+piranha.ro.vutbr.cz.	3600	IN	RRSIG	A 5 4 3600 20170222120032 20170123120032 12150 ro.vutbr.cz. Jz8bcAADQjCKTCcF70IK1aHGQlM4ukyN0myABlxoPaqid1mHX5jwR91b kdQmUAh2xDitlgRLbFjbUUgmjSPzQ5Qt7GAFUsVmqxvjbOLZjqHER1dh zmiWO0fDvvP647Osv3RiAP822rNUJcJrUBZU9LmeP05gwIHcpJrhdVBT b7I=
+ENTRY_END
+
+SCENARIO_END