summaryrefslogtreecommitdiffstats
path: root/lib/layer/test.integr/iter_cname_length.rpl
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--lib/layer/test.integr/iter_cname_length.rpl226
1 files changed, 226 insertions, 0 deletions
diff --git a/lib/layer/test.integr/iter_cname_length.rpl b/lib/layer/test.integr/iter_cname_length.rpl
new file mode 100644
index 0000000..39f48a8
--- /dev/null
+++ b/lib/layer/test.integr/iter_cname_length.rpl
@@ -0,0 +1,226 @@
+do-ip6: no
+; config options
+; SPDX-License-Identifier: GPL-3.0-or-later
+ stub-addr: 193.0.14.129 # k.root-servers.net.
+CONFIG_END
+
+SCENARIO_BEGIN Test restriction on CNAME chain length.
+
+
+; k.root-servers.net.
+RANGE_BEGIN 0 100
+ ADDRESS 193.0.14.129
+
+ENTRY_BEGIN
+MATCH opcode qname
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+n1.tld. IN NS
+SECTION ANSWER
+n1.tld. IN CNAME n2.tld.
+n2.tld. IN CNAME n3.tld.
+n3.tld. IN CNAME n4.tld.
+n4.tld. IN CNAME n5.tld.
+n5.tld. IN CNAME n6.tld.
+n6.tld. IN CNAME n7.sub.
+SECTION AUTHORITY
+sub. IN NS ns.sub.
+SECTION ADDITIONAL
+ns.sub. IN A 194.0.14.1
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qname
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+n2.tld. IN NS
+SECTION ANSWER
+n2.tld. IN CNAME n3.tld.
+n3.tld. IN CNAME n4.tld.
+n4.tld. IN CNAME n5.tld.
+n5.tld. IN CNAME n6.tld.
+n6.tld. IN CNAME n7.sub.
+SECTION AUTHORITY
+sub. IN NS ns.sub.
+SECTION ADDITIONAL
+ns.sub. IN A 194.0.14.1
+ENTRY_END
+
+
+; empty non-terminal for query name minimization
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR AA NOERROR
+SECTION QUESTION
+tld. IN NS
+SECTION ANSWER
+ENTRY_END
+
+
+
+; sub. subdomains
+ENTRY_BEGIN
+MATCH opcode subdomain
+ADJUST copy_id copy_query
+REPLY QR NOERROR
+SECTION QUESTION
+sub. IN NS
+SECTION AUTHORITY
+sub. IN NS ns.sub.
+SECTION ADDITIONAL
+ns.sub. IN A 194.0.14.1
+ENTRY_END
+
+RANGE_END
+
+
+; ns.sub.
+RANGE_BEGIN 0 100
+ ADDRESS 194.0.14.1
+
+ENTRY_BEGIN
+MATCH opcode qname qtype
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+ns.sub. IN A
+SECTION ANSWER
+ns.sub. IN A 194.0.14.1
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qname qtype
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+ns.sub. IN AAAA
+SECTION ANSWER
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qname qtype
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+n7.sub. IN A
+SECTION ANSWER
+n7.sub. IN CNAME n8.sub.
+n8.sub. IN CNAME n9.sub.
+n9.sub. IN CNAME n10.sub.
+n10.sub. IN CNAME n11.sub.
+n11.sub. IN CNAME n12.sub.
+n12.sub. IN CNAME n13.sub.
+n13.sub. IN CNAME n14.sub.
+n14.sub. IN A 198.18.0.1
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qname qtype
+ADJUST copy_id
+REPLY QR AA NOERROR
+SECTION QUESTION
+loop7.sub. IN A
+SECTION ANSWER
+loop7.sub. IN CNAME loop8.sub.
+loop8.sub. IN CNAME loop9.sub.
+loop9.sub. IN CNAME loop10.sub.
+loop10.sub. IN CNAME loop11.sub.
+; loop11 -> loop7 -> ... -> loop11
+loop11.sub. IN CNAME loop7.sub.
+loop12.sub. IN CNAME loop13.sub.
+loop13.sub. IN CNAME loop14.sub.
+loop14.sub. IN A 198.18.0.1
+ENTRY_END
+
+RANGE_END
+
+; maximum allowed chain length
+STEP 10 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+n2.tld. IN A
+ENTRY_END
+
+STEP 11 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+n2.tld. IN A
+SECTION ANSWER
+n2.tld. IN CNAME n3.tld.
+n3.tld. IN CNAME n4.tld.
+n4.tld. IN CNAME n5.tld.
+n5.tld. IN CNAME n6.tld.
+n6.tld. IN CNAME n7.sub.
+n7.sub. IN CNAME n8.sub.
+n8.sub. IN CNAME n9.sub.
+n9.sub. IN CNAME n10.sub.
+n10.sub. IN CNAME n11.sub.
+n11.sub. IN CNAME n12.sub.
+n12.sub. IN CNAME n13.sub.
+n13.sub. IN CNAME n14.sub.
+n14.sub. IN A 198.18.0.1
+ENTRY_END
+
+
+; too long CNAME chain across two zones
+STEP 20 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+n1.tld. IN A
+ENTRY_END
+
+STEP 21 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all
+REPLY QR RD RA SERVFAIL
+SECTION QUESTION
+n1.tld. IN A
+SECTION ANSWER
+n1.tld. IN CNAME n2.tld.
+n2.tld. IN CNAME n3.tld.
+n3.tld. IN CNAME n4.tld.
+n4.tld. IN CNAME n5.tld.
+n5.tld. IN CNAME n6.tld.
+n6.tld. IN CNAME n7.sub.
+n7.sub. IN CNAME n8.sub.
+n8.sub. IN CNAME n9.sub.
+n9.sub. IN CNAME n10.sub.
+n10.sub. IN CNAME n11.sub.
+n11.sub. IN CNAME n12.sub.
+n12.sub. IN CNAME n13.sub.
+n13.sub. IN CNAME n14.sub.
+; This chain is too long (> 13):
+; n14.sub. IN A 198.18.0.1
+ENTRY_END
+
+
+; CNAME loop detection
+STEP 30 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+loop7.sub. IN A
+ENTRY_END
+
+STEP 31 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all
+REPLY QR RD RA SERVFAIL
+SECTION QUESTION
+loop7.sub. IN A
+SECTION ANSWER
+loop7.sub. IN CNAME loop8.sub.
+loop8.sub. IN CNAME loop9.sub.
+loop9.sub. IN CNAME loop10.sub.
+loop10.sub. IN CNAME loop11.sub.
+loop11.sub. IN CNAME loop7.sub.
+ENTRY_END
+
+SCENARIO_END