mirror of
https://github.com/NLnetLabs/unbound.git
synced 2025-12-20 23:00:56 -05:00
- Fix #644: harden-algo-downgrade option, if turned off, fixes the
reported excessive validation failure when multiple algorithms are present. It allows the weakest algorithm to validate the zone. git-svn-id: file:///svn/unbound/trunk@3354 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
parent
b87e7c90be
commit
49250ef291
13 changed files with 2148 additions and 1713 deletions
|
|
@ -1,3 +1,8 @@
|
|||
9 March 2015: Wouter
|
||||
- Fix #644: harden-algo-downgrade option, if turned off, fixes the
|
||||
reported excessive validation failure when multiple algorithms
|
||||
are present. It allows the weakest algorithm to validate the zone.
|
||||
|
||||
5 March 2015: Wouter
|
||||
- contrib/unbound_smf22.tar.gz: Solaris SMF installation/removal
|
||||
scripts. Contributed by Yuri Voinov.
|
||||
|
|
|
|||
|
|
@ -284,6 +284,11 @@ server:
|
|||
# implementation of draft-wijngaards-dnsext-resolver-side-mitigation.
|
||||
# harden-referral-path: no
|
||||
|
||||
# Harden against algorithm downgrade when multiple algorithms are
|
||||
# advertised in the DS record. If no, allows the weakest algorithm
|
||||
# to validate the zone.
|
||||
# harden-algo-downgrade: yes
|
||||
|
||||
# Use 0x20-encoded random bits in the query to foil spoof attempts.
|
||||
# This feature is an experimental implementation of draft dns-0x20.
|
||||
# use-caps-for-id: no
|
||||
|
|
|
|||
|
|
@ -550,6 +550,13 @@ extra query load that is generated. Experimental option.
|
|||
If you enable it consider adding more numbers after the target\-fetch\-policy
|
||||
to increase the max depth that is checked to.
|
||||
.TP
|
||||
.B harden\-algo\-downgrade: \fI<yes or no>
|
||||
Harden against algorithm downgrade when multiple algorithms are
|
||||
advertised in the DS record. If no, allows the weakest algorithm to
|
||||
validate the zone. Default is yes. Zone signers must produce zones
|
||||
that allow this feature to work, but sometimes they do not, and turning
|
||||
this option off avoids that validation failure.
|
||||
.TP
|
||||
.B use\-caps\-for\-id: \fI<yes or no>
|
||||
Use 0x20\-encoded random bits in the query to foil spoof attempts.
|
||||
This perturbs the lowercase and uppercase of query names sent to
|
||||
|
|
|
|||
182
testdata/val_ta_algo_dnskey_dp.rpl
vendored
Normal file
182
testdata/val_ta_algo_dnskey_dp.rpl
vendored
Normal file
|
|
@ -0,0 +1,182 @@
|
|||
; config options
|
||||
; The island of trust is at example.com
|
||||
server:
|
||||
trust-anchor: "example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJIIs70j+sDS/UT2QRp61SE7S3EEXopNXoFE73JLRmvpi/UrOO/Vz4Se6wXv/CYCKjGw06U4WRgRYXcpEhJROyNapmdIKSxhOzfLVE1gqA0PweZR8dtY3aNQSRn3sPpwJr6Mi/PqQKAMMrZ9ckJpf1+bQMOOvxgzz2U1GS18b3yZKcgTMEaJzd/GZYzi/BN2DzQ0MsrSwYXfsNLFOBbs8PJMW4LYIxeeOe6rUgkWOF7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}"
|
||||
trust-anchor: "example.com. 3600 IN DS 30899 5 1 d4bf9d2e10f6d76840d42ef5913022abcd0bf512"
|
||||
val-override-date: "20070916134226"
|
||||
target-fetch-policy: "0 0 0 0 0"
|
||||
harden-algo-downgrade: no
|
||||
|
||||
stub-zone:
|
||||
name: "."
|
||||
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
|
||||
CONFIG_END
|
||||
|
||||
SCENARIO_BEGIN Test validator with multiple algorithm trust anchor without harden
|
||||
|
||||
; 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 qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
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 qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
ENTRY_BEGIN
|
||||
MATCH opcode qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR AA NOERROR
|
||||
SECTION QUESTION
|
||||
ns.example.com. IN AAAA
|
||||
SECTION ANSWER
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
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 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}
|
||||
example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJIIs70j+sDS/UT2QRp61SE7S3EEXopNXoFE73JLRmvpi/UrOO/Vz4Se6wXv/CYCKjGw06U4WRgRYXcpEhJROyNapmdIKSxhOzfLVE1gqA0PweZR8dtY3aNQSRn3sPpwJr6Mi/PqQKAMMrZ9ckJpf1+bQMOOvxgzz2U1GS18b3yZKcgTMEaJzd/GZYzi/BN2DzQ0MsrSwYXfsNLFOBbs8PJMW4LYIxeeOe6rUgkWOF7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 512b}
|
||||
example.com. 3600 IN RRSIG DNSKEY 3 2 3600 20070926134150 20070829134150 2854 example.com. AKIIYDOGHogglFqJK94ZtOnF7EfGikgAyloMNRSMCrQgFaFkmcOyjrc= ;{id = 2854}
|
||||
example.com. 3600 IN RRSIG DNSKEY 5 2 3600 20070926134150 20070829134150 30899 example.com. J55fsz1GGMnngc4r50xvXDUdaVMlfcLKLVsfMhwNLF+ERac5XV/lLRAc/aSER+qQdsSo0CrjYjy1wat7YQpDAA== ;{id = 30899}
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
; response to query of interest
|
||||
ENTRY_BEGIN
|
||||
MATCH opcode qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
SECTION ANSWER
|
||||
www.example.com. IN A 10.20.30.40
|
||||
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
|
||||
www.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. JNWECShNE+nCLQwOXJJ3xpUkh2G+FCh5nk8uYAHIVQRse/BIvCMSlvRrtVyw9RnXvk5RR2bEgN0pRdLWW7ug5Q== ;{id = 30899}
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
SECTION ADDITIONAL
|
||||
ns.example.com. IN A 1.2.3.4
|
||||
www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
RANGE_END
|
||||
|
||||
STEP 1 QUERY
|
||||
ENTRY_BEGIN
|
||||
REPLY RD DO
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
ENTRY_END
|
||||
|
||||
; recursion happens here.
|
||||
STEP 10 CHECK_ANSWER
|
||||
ENTRY_BEGIN
|
||||
MATCH all
|
||||
REPLY QR RD RA AD DO NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
SECTION ANSWER
|
||||
www.example.com. IN A 10.20.30.40
|
||||
www.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. JNWECShNE+nCLQwOXJJ3xpUkh2G+FCh5nk8uYAHIVQRse/BIvCMSlvRrtVyw9RnXvk5RR2bEgN0pRdLWW7ug5Q== ;{id = 30899}
|
||||
www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
SECTION ADDITIONAL
|
||||
ns.example.com. IN A 1.2.3.4
|
||||
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
SCENARIO_END
|
||||
185
testdata/val_ta_algo_missing_dp.rpl
vendored
Normal file
185
testdata/val_ta_algo_missing_dp.rpl
vendored
Normal file
|
|
@ -0,0 +1,185 @@
|
|||
; config options
|
||||
; The island of trust is at example.com
|
||||
server:
|
||||
trust-anchor: "example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJIIs70j+sDS/UT2QRp61SE7S3EEXopNXoFE73JLRmvpi/UrOO/Vz4Se6wXv/CYCKjGw06U4WRgRYXcpEhJROyNapmdIKSxhOzfLVE1gqA0PweZR8dtY3aNQSRn3sPpwJr6Mi/PqQKAMMrZ9ckJpf1+bQMOOvxgzz2U1GS18b3yZKcgTMEaJzd/GZYzi/BN2DzQ0MsrSwYXfsNLFOBbs8PJMW4LYIxeeOe6rUgkWOF7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}"
|
||||
trust-anchor: "example.com. 3600 IN DS 30899 5 1 d4bf9d2e10f6d76840d42ef5913022abcd0bf512"
|
||||
trust-anchor: "example.com. 3600 IN DS 30899 7 1 d4bf9d2e10f6d76840d42ef5913022abcd0bf512"
|
||||
val-override-date: "20070916134226"
|
||||
target-fetch-policy: "0 0 0 0 0"
|
||||
harden-algo-downgrade: no
|
||||
|
||||
stub-zone:
|
||||
name: "."
|
||||
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
|
||||
CONFIG_END
|
||||
|
||||
SCENARIO_BEGIN Test validator with multiple algorithm missing one
|
||||
|
||||
; 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 qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
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 qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
ENTRY_BEGIN
|
||||
MATCH opcode qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR AA NOERROR
|
||||
SECTION QUESTION
|
||||
ns.example.com. IN AAAA
|
||||
SECTION ANSWER
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
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 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}
|
||||
example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJIIs70j+sDS/UT2QRp61SE7S3EEXopNXoFE73JLRmvpi/UrOO/Vz4Se6wXv/CYCKjGw06U4WRgRYXcpEhJROyNapmdIKSxhOzfLVE1gqA0PweZR8dtY3aNQSRn3sPpwJr6Mi/PqQKAMMrZ9ckJpf1+bQMOOvxgzz2U1GS18b3yZKcgTMEaJzd/GZYzi/BN2DzQ0MsrSwYXfsNLFOBbs8PJMW4LYIxeeOe6rUgkWOF7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 512b}
|
||||
example.com. 3600 IN RRSIG DNSKEY 3 2 3600 20070926134150 20070829134150 2854 example.com. AKIIYDOGHogglFqJK94ZtOnF7EfGikgAyloMNRSMCrQgFaFkmcOyjrc= ;{id = 2854}
|
||||
example.com. 3600 IN RRSIG DNSKEY 5 2 3600 20070926134150 20070829134150 30899 example.com. J55fsz1GGMnngc4r50xvXDUdaVMlfcLKLVsfMhwNLF+ERac5XV/lLRAc/aSER+qQdsSo0CrjYjy1wat7YQpDAA== ;{id = 30899}
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
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}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
; response to query of interest
|
||||
ENTRY_BEGIN
|
||||
MATCH opcode qtype qname
|
||||
ADJUST copy_id
|
||||
REPLY QR NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
SECTION ANSWER
|
||||
www.example.com. IN A 10.20.30.40
|
||||
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
|
||||
www.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. JNWECShNE+nCLQwOXJJ3xpUkh2G+FCh5nk8uYAHIVQRse/BIvCMSlvRrtVyw9RnXvk5RR2bEgN0pRdLWW7ug5Q== ;{id = 30899}
|
||||
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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
SECTION ADDITIONAL
|
||||
ns.example.com. IN A 1.2.3.4
|
||||
www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
RANGE_END
|
||||
|
||||
STEP 1 QUERY
|
||||
ENTRY_BEGIN
|
||||
REPLY RD DO
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
ENTRY_END
|
||||
|
||||
; recursion happens here.
|
||||
STEP 10 CHECK_ANSWER
|
||||
ENTRY_BEGIN
|
||||
MATCH all
|
||||
REPLY QR RD RA AD DO NOERROR
|
||||
SECTION QUESTION
|
||||
www.example.com. IN A
|
||||
SECTION ANSWER
|
||||
www.example.com. 3600 IN A 10.20.30.40
|
||||
www.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. JNWECShNE+nCLQwOXJJ3xpUkh2G+FCh5nk8uYAHIVQRse/BIvCMSlvRrtVyw9RnXvk5RR2bEgN0pRdLWW7ug5Q== ;{id = 30899}
|
||||
www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
|
||||
|
||||
SECTION AUTHORITY
|
||||
example.com. 3600 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}
|
||||
example.com. 3600 IN RRSIG NS 5 2 3600 20070926134150 20070829134150 30899 example.com. YTqtYba73HIOQuPr5oDyIX9pfmz1ybEBjwlD/jUgcPmFINUOZ9FeqG6ywgRKwn4AizkKTK00p1sxZYMKxl91wg== ;{id = 30899}
|
||||
|
||||
SECTION ADDITIONAL
|
||||
ns.example.com. 3600 IN A 1.2.3.4
|
||||
ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
|
||||
ns.example.com. 3600 IN RRSIG A 5 3 3600 20070926134150 20070829134150 30899 example.com. Dn1ziMKrc3NdJkSv8g61Y9WNk3+BAuwCwnYzAZiHmkejkSCPViLJN7+f4Conp9l8LkTl50ZnLgoYrrUYNhMj6w== ;{id = 30899}
|
||||
ENTRY_END
|
||||
|
||||
SCENARIO_END
|
||||
|
|
@ -169,6 +169,7 @@ config_create(void)
|
|||
cfg->harden_dnssec_stripped = 1;
|
||||
cfg->harden_below_nxdomain = 0;
|
||||
cfg->harden_referral_path = 0;
|
||||
cfg->harden_algo_downgrade = 1;
|
||||
cfg->use_caps_bits_for_id = 0;
|
||||
cfg->private_address = NULL;
|
||||
cfg->private_domain = NULL;
|
||||
|
|
@ -404,6 +405,7 @@ int config_set_option(struct config_file* cfg, const char* opt,
|
|||
else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped)
|
||||
else S_YNO("harden-below-nxdomain:", harden_below_nxdomain)
|
||||
else S_YNO("harden-referral-path:", harden_referral_path)
|
||||
else S_YNO("harden-algo-downgrade:", harden_algo_downgrade)
|
||||
else S_YNO("use-caps-for-id", use_caps_bits_for_id)
|
||||
else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold)
|
||||
else S_STRLIST("private-address:", private_address)
|
||||
|
|
@ -662,6 +664,7 @@ config_get_option(struct config_file* cfg, const char* opt,
|
|||
else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped)
|
||||
else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain)
|
||||
else O_YNO(opt, "harden-referral-path", harden_referral_path)
|
||||
else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade)
|
||||
else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id)
|
||||
else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold)
|
||||
else O_YNO(opt, "do-not-query-localhost", donotquery_localhost)
|
||||
|
|
|
|||
|
|
@ -173,6 +173,8 @@ struct config_file {
|
|||
int harden_below_nxdomain;
|
||||
/** harden the referral path, query for NS,A,AAAA and validate */
|
||||
int harden_referral_path;
|
||||
/** harden against algorithm downgrade */
|
||||
int harden_algo_downgrade;
|
||||
/** use 0x20 bits in query as random ID bits */
|
||||
int use_caps_bits_for_id;
|
||||
/** strip away these private addrs from answers, no DNS Rebinding */
|
||||
|
|
|
|||
2131
util/configlexer.c
2131
util/configlexer.c
File diff suppressed because it is too large
Load diff
|
|
@ -256,6 +256,7 @@ harden-glue{COLON} { YDVAR(1, VAR_HARDEN_GLUE) }
|
|||
harden-dnssec-stripped{COLON} { YDVAR(1, VAR_HARDEN_DNSSEC_STRIPPED) }
|
||||
harden-below-nxdomain{COLON} { YDVAR(1, VAR_HARDEN_BELOW_NXDOMAIN) }
|
||||
harden-referral-path{COLON} { YDVAR(1, VAR_HARDEN_REFERRAL_PATH) }
|
||||
harden-algo-downgrade{COLON} { YDVAR(1, VAR_HARDEN_ALGO_DOWNGRADE) }
|
||||
use-caps-for-id{COLON} { YDVAR(1, VAR_USE_CAPS_FOR_ID) }
|
||||
unwanted-reply-threshold{COLON} { YDVAR(1, VAR_UNWANTED_REPLY_THRESHOLD) }
|
||||
private-address{COLON} { YDVAR(1, VAR_PRIVATE_ADDRESS) }
|
||||
|
|
|
|||
1319
util/configparser.c
1319
util/configparser.c
File diff suppressed because it is too large
Load diff
|
|
@ -193,7 +193,8 @@ extern int yydebug;
|
|||
VAR_DNSTAP_LOG_CLIENT_QUERY_MESSAGES = 402,
|
||||
VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES = 403,
|
||||
VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES = 404,
|
||||
VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES = 405
|
||||
VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES = 405,
|
||||
VAR_HARDEN_ALGO_DOWNGRADE = 406
|
||||
};
|
||||
#endif
|
||||
/* Tokens. */
|
||||
|
|
@ -345,6 +346,7 @@ extern int yydebug;
|
|||
#define VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES 403
|
||||
#define VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES 404
|
||||
#define VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES 405
|
||||
#define VAR_HARDEN_ALGO_DOWNGRADE 406
|
||||
|
||||
|
||||
|
||||
|
|
@ -358,7 +360,7 @@ typedef union YYSTYPE
|
|||
|
||||
|
||||
/* Line 2058 of yacc.c */
|
||||
#line 362 "util/configparser.h"
|
||||
#line 364 "util/configparser.h"
|
||||
} YYSTYPE;
|
||||
# define YYSTYPE_IS_TRIVIAL 1
|
||||
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
|
||||
|
|
|
|||
|
|
@ -118,6 +118,7 @@ extern struct config_parser_state* cfg_parser;
|
|||
%token VAR_DNSTAP_LOG_CLIENT_RESPONSE_MESSAGES
|
||||
%token VAR_DNSTAP_LOG_FORWARDER_QUERY_MESSAGES
|
||||
%token VAR_DNSTAP_LOG_FORWARDER_RESPONSE_MESSAGES
|
||||
%token VAR_HARDEN_ALGO_DOWNGRADE
|
||||
|
||||
%%
|
||||
toplevelvars: /* empty */ | toplevelvars toplevelvar ;
|
||||
|
|
@ -177,7 +178,7 @@ content_server: server_num_threads | server_verbosity | server_port |
|
|||
server_minimal_responses | server_rrset_roundrobin | server_max_udp_size |
|
||||
server_so_reuseport | server_delay_close | server_unblock_lan_zones |
|
||||
server_dns64_prefix | server_dns64_synthall |
|
||||
server_infra_cache_min_rtt
|
||||
server_infra_cache_min_rtt | server_harden_algo_downgrade
|
||||
;
|
||||
stubstart: VAR_STUB_ZONE
|
||||
{
|
||||
|
|
@ -846,6 +847,16 @@ server_harden_referral_path: VAR_HARDEN_REFERRAL_PATH STRING_ARG
|
|||
free($2);
|
||||
}
|
||||
;
|
||||
server_harden_algo_downgrade: VAR_HARDEN_ALGO_DOWNGRADE STRING_ARG
|
||||
{
|
||||
OUTYY(("P(server_harden_algo_downgrade:%s)\n", $2));
|
||||
if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0)
|
||||
yyerror("expected yes or no.");
|
||||
else cfg_parser->cfg->harden_algo_downgrade =
|
||||
(strcmp($2, "yes")==0);
|
||||
free($2);
|
||||
}
|
||||
;
|
||||
server_use_caps_for_id: VAR_USE_CAPS_FOR_ID STRING_ARG
|
||||
{
|
||||
OUTYY(("P(server_use_caps_for_id:%s)\n", $2));
|
||||
|
|
|
|||
|
|
@ -2352,7 +2352,7 @@ primeResponseToKE(struct ub_packed_rrset_key* dnskey_rrset,
|
|||
struct key_entry_key* kkey = NULL;
|
||||
enum sec_status sec = sec_status_unchecked;
|
||||
char* reason = NULL;
|
||||
int downprot = 1;
|
||||
int downprot = qstate->env->cfg->harden_algo_downgrade;
|
||||
|
||||
if(!dnskey_rrset) {
|
||||
log_nametypeclass(VERB_OPS, "failed to prime trust anchor -- "
|
||||
|
|
|
|||
Loading…
Reference in a new issue