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Fixup stub chain of trust from public to private servers.

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git-svn-id: file:///svn/unbound/trunk@1648 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2009-06-11 14:02:37 +00:00
parent add0079981
commit 1b8519e619
3 changed files with 487 additions and 12 deletions
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8
doc/Changelog
View file

@ -1,3 +1,11 @@
11 June 2009: Wouter
- Fix queries for type DS when forward or stub zones are there.
They are performed to higherup domains, and thus treated as if
going to higher zones when looking up the right forward or stub
server. This makes a stub pointing to a local server that has
a local view of example.com signed with the same keys as are
publicly used work. Reported by Johan Ihren.
9 June 2009: Wouter 9 June 2009: Wouter
- openssl key files are opened apache-style, when user is root and - openssl key files are opened apache-style, when user is root and
before chrooting. This makes permissions on remote-control key before chrooting. This makes permissions on remote-control key

35
iterator/iterator.c
View file

@ -592,21 +592,27 @@ prime_root(struct module_qstate* qstate, struct iter_qstate* iq,
* @param iq: iterator query state. * @param iq: iterator query state.
* @param ie: iterator global state. * @param ie: iterator global state.
* @param id: module id. * @param id: module id.
* @param qname: request name. * @param q: request name.
* @param qclass: the class to prime.
* @return true if a priming subrequest was made, false if not. The will only * @return true if a priming subrequest was made, false if not. The will only
* issue a priming request if it detects an unprimed stub. * issue a priming request if it detects an unprimed stub.
*/ */
static int static int
prime_stub(struct module_qstate* qstate, struct iter_qstate* iq, prime_stub(struct module_qstate* qstate, struct iter_qstate* iq,
struct iter_env* ie, int id, uint8_t* qname, uint16_t qclass) struct iter_env* ie, int id, struct query_info* q)
{ {
/* Lookup the stub hint. This will return null if the stub doesn't /* Lookup the stub hint. This will return null if the stub doesn't
* need to be re-primed. */ * need to be re-primed. */
struct iter_hints_stub* stub = hints_lookup_stub(ie->hints, struct iter_hints_stub* stub;
qname, qclass, iq->dp);
struct delegpt* stub_dp; struct delegpt* stub_dp;
struct module_qstate* subq; struct module_qstate* subq;
uint8_t* delname = q->qname;
size_t delnamelen = q->qname_len;
if(q->qtype == LDNS_RR_TYPE_DS && !dname_is_root(q->qname))
/* remove first label, but not for root */
dname_remove_label(&delname, &delnamelen);
stub = hints_lookup_stub(ie->hints, delname, q->qclass, iq->dp);
/* The stub (if there is one) does not need priming. */ /* The stub (if there is one) does not need priming. */
if(!stub) if(!stub)
return 0; return 0;
@ -623,18 +629,18 @@ prime_stub(struct module_qstate* qstate, struct iter_qstate* iq,
return 1; /* return 1 to make module stop, with error */ return 1; /* return 1 to make module stop, with error */
} }
log_nametypeclass(VERB_DETAIL, "use stub", stub_dp->name, log_nametypeclass(VERB_DETAIL, "use stub", stub_dp->name,
LDNS_RR_TYPE_NS, qclass); LDNS_RR_TYPE_NS, q->qclass);
return 0; return 0;
} }
/* Otherwise, we need to (re)prime the stub. */ /* Otherwise, we need to (re)prime the stub. */
log_nametypeclass(VERB_DETAIL, "priming stub", stub_dp->name, log_nametypeclass(VERB_DETAIL, "priming stub", stub_dp->name,
LDNS_RR_TYPE_NS, qclass); LDNS_RR_TYPE_NS, q->qclass);
/* Stub priming events start at the QUERYTARGETS state to avoid the /* Stub priming events start at the QUERYTARGETS state to avoid the
* redundant INIT state processing. */ * redundant INIT state processing. */
if(!generate_sub_request(stub_dp->name, stub_dp->namelen, if(!generate_sub_request(stub_dp->name, stub_dp->namelen,
LDNS_RR_TYPE_NS, qclass, qstate, id, iq, LDNS_RR_TYPE_NS, q->qclass, qstate, id, iq,
QUERYTARGETS_STATE, PRIME_RESP_STATE, &subq, 0)) { QUERYTARGETS_STATE, PRIME_RESP_STATE, &subq, 0)) {
verbose(VERB_ALGO, "could not prime stub"); verbose(VERB_ALGO, "could not prime stub");
(void)error_response(qstate, id, LDNS_RCODE_SERVFAIL); (void)error_response(qstate, id, LDNS_RCODE_SERVFAIL);
@ -781,8 +787,14 @@ generate_ns_check(struct module_qstate* qstate, struct iter_qstate* iq, int id)
static int static int
forward_request(struct module_qstate* qstate, struct iter_qstate* iq) forward_request(struct module_qstate* qstate, struct iter_qstate* iq)
{ {
struct delegpt* dp = forwards_lookup(qstate->env->fwds, struct delegpt* dp;
iq->qchase.qname, iq->qchase.qclass); uint8_t* delname = iq->qchase.qname;
size_t delnamelen = iq->qchase.qname_len;
/* strip one label off of DS query to lookup higher for it */
if(iq->qchase.qtype == LDNS_RR_TYPE_DS
&& !dname_is_root(iq->qchase.qname))
dname_remove_label(&delname, &delnamelen);
dp = forwards_lookup(qstate->env->fwds, delname, iq->qchase.qclass);
if(!dp) if(!dp)
return 0; return 0;
/* send recursion desired to forward addr */ /* send recursion desired to forward addr */
@ -1030,8 +1042,7 @@ processInitRequest2(struct module_qstate* qstate, struct iter_qstate* iq,
&qstate->qinfo); &qstate->qinfo);
/* Check to see if we need to prime a stub zone. */ /* Check to see if we need to prime a stub zone. */
if(prime_stub(qstate, iq, ie, id, iq->qchase.qname, if(prime_stub(qstate, iq, ie, id, &iq->qchase)) {
iq->qchase.qclass)) {
/* A priming sub request was made */ /* A priming sub request was made */
return 0; return 0;
} }

456
testdata/val_stubds.rpl vendored Normal file
View file

@ -0,0 +1,456 @@
; config options
; The island of trust is at example.com
server:
trust-anchor: "example.com. 3600 IN DS 2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b"
val-override-date: "20070916134226"
target-fetch-policy: "0 0 0 0 0"
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
stub-zone:
name: "sub.example.com"
stub-addr: 1.2.3.6
CONFIG_END
SCENARIO_BEGIN Test stub with DS query
; The stub zone is linked validly with a DS to the public internet zone.
; unbound just has to be able to ask the DS from the right server (not
; from the stub).
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 100
ADDRESS 193.0.14.129
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
com. IN NS
SECTION AUTHORITY
com. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
RANGE_END
; a.gtld-servers.net.
RANGE_BEGIN 0 100
ADDRESS 192.5.6.30
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
com. IN NS
SECTION ANSWER
com. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
example.com. IN A
SECTION AUTHORITY
example.com. IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ENTRY_END
RANGE_END
; ns.example.com.
RANGE_BEGIN 0 100
ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
example.com. IN NS
SECTION ANSWER
example.com. IN NS ns.example.com.
example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
ENTRY_END
; response to DNSKEY priming query
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
example.com. IN DNSKEY
SECTION ANSWER
example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJII s70j+sDS/UT2QRp61SE7S3E EXopNXoFE73JLRmvpi/UrOO/Vz4Se 6wXv/CYCKjGw06U4WRgR YXcpEhJROyNapmdIKSx hOzfLVE1gqA0PweZR8d tY3aNQSRn3sPpwJr6Mi /PqQKAMMrZ9ckJpf1+b QMOOvxgzz2U1GS18b3y ZKcgTMEaJzd/GZYzi/B N2DzQ0MsrSwYXfsNLFO Bbs8PJMW4LYIxeeOe6rUgkWOF 7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}
example.com. 3600 IN RRSIG DNSKEY DSA 2 3600 20070926134150 20070829134150 2854 example.com. MCwCFBQRtlR4BEv9ohi+PGFjp+AHsJuHAhRCvz0shggvnvI88DFnBDCczHUcVA== ;{id = 2854}
SECTION AUTHORITY
example.com. IN NS ns.example.com.
example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
ENTRY_END
; response for DS of sub.example.com.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN DS
SECTION ANSWER
sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
; response for delegation to sub.example.com.
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ENTRY_END
RANGE_END
; ns.sub.example.com.
RANGE_BEGIN 0 100
ADDRESS 1.2.3.6
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN NS
SECTION ANSWER
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN RRSIG NS 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. wcpHeBILHfo8C9uxMhcW03gcURZeUffiKdSTb50ZjzTHgMNhRyMfpcvSpXEd9548A9UTmWKeLZChfr5Z/glONw== ;{id = 30899}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ns.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. UF7shD/gt1FOp2UHgLTNbPzVykklSXFMEtJ1xD+Hholwf/PIzd7zoaIttIYibNa4fUXCqMg22H9P7MRhfmFe6g== ;{id = 30899}
ENTRY_END
; response to DNSKEY priming query
; sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN DNSKEY
SECTION ANSWER
sub.example.com. 3600 IN DNSKEY 256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}
sub.example.com. 3600 IN RRSIG DNSKEY 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. uNGp99iznjD7oOX02XnQbDnbg75UwBHRvZSKYUorTKvPUnCWMHKdRsQ+mf+Fx3GZ+Fz9BVjoCmQqpnfgXLEYqw== ;{id = 30899}
SECTION AUTHORITY
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN RRSIG NS 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. wcpHeBILHfo8C9uxMhcW03gcURZeUffiKdSTb50ZjzTHgMNhRyMfpcvSpXEd9548A9UTmWKeLZChfr5Z/glONw== ;{id = 30899}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ns.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. UF7shD/gt1FOp2UHgLTNbPzVykklSXFMEtJ1xD+Hholwf/PIzd7zoaIttIYibNa4fUXCqMg22H9P7MRhfmFe6g== ;{id = 30899}
ENTRY_END
; response for qtype DS. This is not available here.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR SERVFAIL
SECTION QUESTION
sub.example.com. IN DS
SECTION ANSWER
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
; response to query of interest
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
www.sub.example.com. IN A
SECTION ANSWER
www.sub.example.com. IN A 11.11.11.11
www.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. 0DqqRfRtm7VSEQ4mmBbzrKRqQAay3JAE8DPDGmjtokrrjN9F1G/HxozDV7bjdIh2EChlQea8FPwf/GepJMUVxg== ;{id = 30899}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
www.sub.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA AD NOERROR
SECTION QUESTION
www.sub.example.com. IN A
SECTION ANSWER
www.sub.example.com. 3600 IN A 11.11.11.11
www.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. 0DqqRfRtm7VSEQ4mmBbzrKRqQAay3JAE8DPDGmjtokrrjN9F1G/HxozDV7bjdIh2EChlQea8FPwf/GepJMUVxg== ;{id = 30899}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
SCENARIO_END
; config options
; The island of trust is at example.com
server:
trust-anchor: "example.com. 3600 IN DS 2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b"
val-override-date: "20070916134226"
target-fetch-policy: "0 0 0 0 0"
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
stub-zone:
name: "sub.example.com"
stub-addr: 1.2.3.6
CONFIG_END
SCENARIO_BEGIN Test stub with DS query
; The stub zone is linked validly with a DS to the public internet zone.
; unbound just has to be able to ask the DS from the right server (not
; from the stub).
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 100
ADDRESS 193.0.14.129
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
com. IN NS
SECTION AUTHORITY
com. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
RANGE_END
; a.gtld-servers.net.
RANGE_BEGIN 0 100
ADDRESS 192.5.6.30
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
com. IN NS
SECTION ANSWER
com. IN NS a.gtld-servers.net.
SECTION ADDITIONAL
a.gtld-servers.net. IN A 192.5.6.30
ENTRY_END
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
example.com. IN A
SECTION AUTHORITY
example.com. IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ENTRY_END
RANGE_END
; ns.example.com.
RANGE_BEGIN 0 100
ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
example.com. IN NS
SECTION ANSWER
example.com. IN NS ns.example.com.
example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
ENTRY_END
; response to DNSKEY priming query
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
example.com. IN DNSKEY
SECTION ANSWER
example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJII s70j+sDS/UT2QRp61SE7S3E EXopNXoFE73JLRmvpi/UrOO/Vz4Se 6wXv/CYCKjGw06U4WRgR YXcpEhJROyNapmdIKSx hOzfLVE1gqA0PweZR8d tY3aNQSRn3sPpwJr6Mi /PqQKAMMrZ9ckJpf1+b QMOOvxgzz2U1GS18b3y ZKcgTMEaJzd/GZYzi/B N2DzQ0MsrSwYXfsNLFO Bbs8PJMW4LYIxeeOe6rUgkWOF 7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}
example.com. 3600 IN RRSIG DNSKEY DSA 2 3600 20070926134150 20070829134150 2854 example.com. MCwCFBQRtlR4BEv9ohi+PGFjp+AHsJuHAhRCvz0shggvnvI88DFnBDCczHUcVA== ;{id = 2854}
SECTION AUTHORITY
example.com. IN NS ns.example.com.
example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
SECTION ADDITIONAL
ns.example.com. IN A 1.2.3.4
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
ENTRY_END
; response for DS of sub.example.com.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN DS
SECTION ANSWER
sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
; response for delegation to sub.example.com.
ENTRY_BEGIN
MATCH opcode subdomain
ADJUST copy_id copy_query
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
sub.example.com. 3600 IN RRSIG DS 3 3 3600 20070926134150 20070829134150 2854 example.com. MCwCFCW3ix0GD4BSvNLWIbROCJt5DAW9AhRt/kg9kBKJ20UBUdumrBUHqnskdA== ;{id = 2854}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ENTRY_END
RANGE_END
; ns.sub.example.com.
RANGE_BEGIN 0 100
ADDRESS 1.2.3.6
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN NS
SECTION ANSWER
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN RRSIG NS 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. wcpHeBILHfo8C9uxMhcW03gcURZeUffiKdSTb50ZjzTHgMNhRyMfpcvSpXEd9548A9UTmWKeLZChfr5Z/glONw== ;{id = 30899}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ns.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. UF7shD/gt1FOp2UHgLTNbPzVykklSXFMEtJ1xD+Hholwf/PIzd7zoaIttIYibNa4fUXCqMg22H9P7MRhfmFe6g== ;{id = 30899}
ENTRY_END
; response to DNSKEY priming query
; sub.example.com. 3600 IN DS 30899 RSASHA1 1 f7ed618f24d5e5202927e1d27bc2e84a141cb4b3
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
sub.example.com. IN DNSKEY
SECTION ANSWER
sub.example.com. 3600 IN DNSKEY 256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}
sub.example.com. 3600 IN RRSIG DNSKEY 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. uNGp99iznjD7oOX02XnQbDnbg75UwBHRvZSKYUorTKvPUnCWMHKdRsQ+mf+Fx3GZ+Fz9BVjoCmQqpnfgXLEYqw== ;{id = 30899}
SECTION AUTHORITY
sub.example.com. IN NS ns.sub.example.com.
sub.example.com. 3600 IN RRSIG NS 5 3 3600 20070926134150 20070829134150 30899 sub.example.com. wcpHeBILHfo8C9uxMhcW03gcURZeUffiKdSTb50ZjzTHgMNhRyMfpcvSpXEd9548A9UTmWKeLZChfr5Z/glONw== ;{id = 30899}
SECTION ADDITIONAL
ns.sub.example.com. IN A 1.2.3.6
ns.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. UF7shD/gt1FOp2UHgLTNbPzVykklSXFMEtJ1xD+Hholwf/PIzd7zoaIttIYibNa4fUXCqMg22H9P7MRhfmFe6g== ;{id = 30899}
ENTRY_END
; response for qtype DS. This is not available here.
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR SERVFAIL
SECTION QUESTION
sub.example.com. IN DS
SECTION ANSWER
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
; response to query of interest
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
www.sub.example.com. IN A
SECTION ANSWER
www.sub.example.com. IN A 11.11.11.11
www.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. 0DqqRfRtm7VSEQ4mmBbzrKRqQAay3JAE8DPDGmjtokrrjN9F1G/HxozDV7bjdIh2EChlQea8FPwf/GepJMUVxg== ;{id = 30899}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
www.sub.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA AD NOERROR
SECTION QUESTION
www.sub.example.com. IN A
SECTION ANSWER
www.sub.example.com. 3600 IN A 11.11.11.11
www.sub.example.com. 3600 IN RRSIG A 5 4 3600 20070926134150 20070829134150 30899 sub.example.com. 0DqqRfRtm7VSEQ4mmBbzrKRqQAay3JAE8DPDGmjtokrrjN9F1G/HxozDV7bjdIh2EChlQea8FPwf/GepJMUVxg== ;{id = 30899}
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
SCENARIO_END