Add bind configurations and helper scripts (#1)
Remove angry slovak translate Signed-off-by: Jacob Hrbek <kreyren@rixotstudio.cz> Kreyrenized: Hopefully configured as requested Configures the name daemon bind to run authoritative server with option for recursive server configuratble in named.conf as `recursive`. Helper functions submitted in bin/binder files Signed-off-by: Jacob Hrbek <kreyren@rixotstudio.cz> Co-authored-by: Jacob Hrbek <kreyren@rixotstudio.cz> Reviewed-on: #1 Co-Authored-By: kreyren <kreyren@noreply.git.dotya.ml> Co-Committed-By: kreyren <kreyren@noreply.git.dotya.ml>
This commit is contained in:
parent
bbe64f7de2
commit
35ab911ad2
Signed by:
Gitea
Gitea
GPG Key ID:
0DD13DBC6B5433D3
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
Normal file
@ -0,0 +1,2 @@
|
||||
# SECURITY(Krey): NEVER INCLUDE secret.rndc-key as leak would allow anyone to take control over the domain(s)
|
||||
secret.rndc-key
|
||||
94
bin/binder
Normal file
94
bin/binder
Normal file
@ -0,0 +1,94 @@
|
||||
#!/bin/sh
|
||||
# shellcheck shell=sh # Written to comply with POSIX IEEE Std 1003.1-2017
|
||||
|
||||
# NOTE(Krey): Define die()
|
||||
command -v die 1>/dev/null || die() { ${PRINTF:-printf} "${DIE_FORMAT_STRING:-"%s\\n"}" "$2"; ${EXIT:-exit} "$1";}
|
||||
|
||||
# NOTE(Krey): Functions are a rewrite of https://git.dotya.ml/RXT0112/Exheredrey/src/branch/master/packages/net-dns/bind/bind.exher#L247 designed for Mokleus GNU/Linux
|
||||
|
||||
###! Binder function that signs the zonefiles for provided domain assuming FSH3_0 standard followed
|
||||
###! SYNOPSIS: binder_signzone [DOMAIN(dotya.ml)]
|
||||
###! Copyright: Created by Jacob Hrbek identified using a GPG key assigned to the electronic mail <kreyren@rixotstudio.cz> based on the keyserver <https://keys.openpgp.org> as GPLv3 license <https://www.gnu.org/licenses/gpl-3.0.en.html> in 30/10/2020-EU
|
||||
binder_signzone() {
|
||||
# Define input
|
||||
domainInput="$1" # Expects domains alike 'dotya.ml'
|
||||
|
||||
for domain in $domainInput; do
|
||||
# NOTE(Krey): Make sure that all zonefiles are valid
|
||||
for zonefile in /etc/bind/zonefiles/"${domain##*.}"/"${domain%%.*}"/*.zonefile; do
|
||||
${NAMED_CHECKZONE:-named-checkzone} domain "$zonefile" || die 1 "Check for zonefile '$zonefile' of domain '$domain' failed"
|
||||
|
||||
# NOTE(Krey): Sign the zone
|
||||
${DNSSEC_SIGNZONE:-dnssec-signzone} \
|
||||
-g \
|
||||
-K "/var/cache/named/bind/keys/${domain##*.}/${domain%%.*}" \
|
||||
-T 300 \
|
||||
-n "$(nproc 2>/dev/null || printf 1)" \
|
||||
"/etc/bind/zonefiles/${domain##*.}/${domain%%.*}/$zonefile" || {
|
||||
case "$LANG" in
|
||||
en-*|*) die 1 "Signing zone dotya.ml failed"
|
||||
esac
|
||||
}
|
||||
done
|
||||
done
|
||||
}
|
||||
|
||||
###! Generate the rndc.conf and secret.rndc-key
|
||||
###! Copyright: Created by Jacob Hrbek identified using a GPG key assigned to the electronic mail <kreyren@rixotstudio.cz> based on the keyserver <https://keys.openpgp.org> as GPLv3 license <https://www.gnu.org/licenses/gpl-3.0.en.html> in 30/10/2020-EU
|
||||
binder_generate_rndc_key() {
|
||||
# NOTE(Krey): rndc.key is harder to manage for public review
|
||||
[ ! -f /etc/bind/rndc.key ] || ${MV:mv} /etc/bind/rndc.key /etc/bind/rndc.key.bk
|
||||
|
||||
# Generate the rndc.conf
|
||||
[ -s /etc/bind/rndc.conf ] || { ${RNDC_CONFGEN:-rndc-confgen} \
|
||||
-A hmac-sha512 \
|
||||
-b 512 \
|
||||
-u bind \
|
||||
-p 953 \
|
||||
> /etc/bind/rndc.conf ;} || {
|
||||
case "$LANG" in
|
||||
en-*|*) die 1 "Command '${RNDC_CONFGEN:-rndc-confgen}' was unable to generate the '/etc/bind/rndc.conf' file"
|
||||
esac
|
||||
}
|
||||
[ -s "/etc/bind/secret.rndc-key" ] || {
|
||||
{ ${GREP:-grep} "^#" "/etc/bind/rndc.conf" | ${GREP:-grep} "^# key" -A 3 | ${SED:-sed} "s/# //" > "/etc/bind/secret.rndc-key"
|
||||
} || die 1 "Unable to generate 'secret.rndc-key'" ;}
|
||||
|
||||
# FIXME-QA(Krey): Sanitize
|
||||
# SECURITY(Krey): Set the apropriate perms on secret.rndc-key
|
||||
${CHMOD:-chmod} 0640 "/etc/bind/secret.rndc-key" || die 1 "Unable to set the expected permission on file '/etc/bind/secret.rndc-key'"
|
||||
|
||||
# FIXME-QA(Krey): Sanitize
|
||||
# SECURITY(Krey): Set the apropriate perms on secret.rndc-key
|
||||
${CHOWN:-chown} bind:bind "/etc/bind/secret.rndc-key" || die 1 "Unable to set the expected ownership on file '/etc/bind/secret.rndc-key'"
|
||||
|
||||
# SECURITY(Krey): By default rndc.conf has CONFIDENTIAL INFORMATIONS, this will strip them
|
||||
${GREP:-grep} "^# " "/etc/bind/rndc.conf" >/dev/null || { { ${PRINTF:-printf} 'g/# .*/d\nw\nq\n' | ${ED:-ed} -s "/etc/bind/rndc.conf" ;} || die 28 "SECURITY WARNING UNABLE TO REMOVE CONFIDENTIAL INFORMATIONS FROM FILE '/etc/bind/rndc.conf'" ;}
|
||||
}
|
||||
|
||||
###! Function used to generate the KSK and ZSK
|
||||
###! SYNOPSIS: binder_generate_keys [DOMAIN(dotya.ml)]
|
||||
###! Copyright: Created by Jacob Hrbek identified using a GPG key assigned to the electronic mail <kreyren@rixotstudio.cz> based on the keyserver <https://keys.openpgp.org> as GPLv3 license <https://www.gnu.org/licenses/gpl-3.0.en.html> in 30/10/2020-EU
|
||||
binder_generate_keys() {
|
||||
# Define input
|
||||
domainInput="$1" # Expects domains alike 'dotya.ml'
|
||||
|
||||
for domain in $domainInput; do
|
||||
# FIXME-QA(Krey): Sanitize
|
||||
# Generate Key-Signing Key (KSK)
|
||||
${DNSSEC_KEYGEN:-dnssec-keygen} \
|
||||
-a "ECDSAP384SHA384" \
|
||||
-f KSK \
|
||||
-c IN \
|
||||
-L 300 \
|
||||
-K "/var/cache/named/bind/keys/${domain##*.}/${domain%%.*}" "$domain" || die 1 "Unable to generate Key-Signing Key (KSK) for domain '$domain'"
|
||||
|
||||
# Generate Zone-Signing Key (ZSK)
|
||||
${DNSSEC_KEYGEN:-dnssec-keygen} \
|
||||
-a ECDSAP384SHA384\
|
||||
-n ZONE \
|
||||
-c IN \
|
||||
-L 300 \
|
||||
-K "/var/cache/named/bind/keys/${domain##*.}/${domain%%.*}" "$domain" || die 1 "Unable to generate Zone-Signing Key (ZSK) for domain '$domain'"
|
||||
done
|
||||
}
|
||||
133
named.conf
133
named.conf
@ -0,0 +1,133 @@
|
||||
# Comment
|
||||
// Comment
|
||||
/* Comment */
|
||||
|
||||
# Relevant Administrator Reference Manual (ARM): https://downloads.isc.org/isc/bind9/9.16.8/doc/arm/Bv9ARM.pdf
|
||||
# FIXME-DOCS(Krey): Provide best practices reference
|
||||
|
||||
# NOTE(Krey): The key has to be included in named.conf
|
||||
include "/etc/bind/secret.rndc-key"
|
||||
|
||||
options {
|
||||
// Set directory CWD (Current Working Directory)
|
||||
directory "/var/named/bind";
|
||||
|
||||
// Path configuration
|
||||
dump-file "/bind_dump.db"; // _PATH_DUMPFILE
|
||||
pid-file "/run/named/bind.pid"; // _PATH_PIDFILE
|
||||
statistics-file "bind.stats"; // _PATH_STATS
|
||||
memstatistics-file "bind.memstats"; // _PATH_MEMSTATS
|
||||
|
||||
// Sets Random Device
|
||||
random-device "/dev/random";
|
||||
|
||||
// uncomment the following lines to turn on DNS forwarding,
|
||||
// and change the forwarding ip address(es) :
|
||||
//forward first;
|
||||
//forwarders {
|
||||
// 123.123.123.123;
|
||||
// 123.123.123.123;
|
||||
//};
|
||||
|
||||
# NOTE(Krey): Open port 53 reserved for name deamon
|
||||
listen-on port 53 { any; };
|
||||
|
||||
# NOTE(Krey): Close IPv6 ports as current dotya.ml doesn't have IPv6
|
||||
listen-on-v6 { none; };
|
||||
|
||||
# NOTE(Krey): Set this to allow only specific hosts to use the recursive server
|
||||
//allow-query {
|
||||
// 127.0.0.1;
|
||||
//};
|
||||
|
||||
// Cache configuration
|
||||
min-cache-ttl "60";
|
||||
max-cache-ttl "600";
|
||||
|
||||
# NOTE(Krey): Disable recursion server as it's not needed
|
||||
recursion no;
|
||||
|
||||
// if you have problems and are behind a firewall:
|
||||
//query-source address * port 53;
|
||||
|
||||
// NOTE(Krey): Set the PID file location
|
||||
pid-file "/run/named/bind.pid";
|
||||
|
||||
// DNSSEC validation
|
||||
dnssec-validation "auto";
|
||||
|
||||
// Automatically sign zones
|
||||
auto-dnssec "maintain";
|
||||
};
|
||||
|
||||
controls {
|
||||
inet 127.0.0.1 port 953
|
||||
allow { 127.0.0.1; } keys { "rndc-key"; };
|
||||
};
|
||||
|
||||
logging {
|
||||
channel named_log{
|
||||
file "/var/log/named/bind.log" versions 3 size 2m;
|
||||
severity info;
|
||||
print-severity yes;
|
||||
print-time yes;
|
||||
print-category yes;
|
||||
};
|
||||
category default {
|
||||
named_log;
|
||||
};
|
||||
category lame-servers {
|
||||
null;
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
// Briefly, a zone which has been declared delegation-only will be effectively
|
||||
// limited to containing NS RRs for subdomains, but no actual data beyond its
|
||||
// own apex (for example, its SOA RR and apex NS RRset). This can be used to
|
||||
// filter out "wildcard" or "synthesized" data from NAT boxes or from
|
||||
// authoritative name servers whose undelegated (in-zone) data is of no
|
||||
// interest.
|
||||
// See http://www.isc.org/products/BIND/delegation-only.html for more info
|
||||
|
||||
zone "dotya.ml" {
|
||||
type master;
|
||||
file "/etc/bind/zonefiles/ml/dotya/master.zonefile.signed";
|
||||
key-directory "/var/cache/named/bind/keys/ml/dotya/";
|
||||
update-policy {
|
||||
grant ddns-key zonesub ANY;
|
||||
};
|
||||
allow-transfer {
|
||||
// Current Server IP
|
||||
144.91.70.62;
|
||||
};
|
||||
allow-update { 144.91.70.62; };
|
||||
inline-signing yes;
|
||||
dnssec-dnskey-kskonly yes;
|
||||
# expiration time 21d, refresh period 16d
|
||||
sig-validity-interval 21 16;
|
||||
auto-dnssec maintain;
|
||||
serial-update-method unixtime;
|
||||
};
|
||||
|
||||
zone "COM" { type delegation-only; };
|
||||
zone "NET" { type delegation-only; };
|
||||
|
||||
zone "." IN {
|
||||
type hint;
|
||||
file "named.cache";
|
||||
};
|
||||
|
||||
zone "localhost" IN {
|
||||
type master;
|
||||
file "pri/localhost.zone";
|
||||
allow-update { none; };
|
||||
notify no;
|
||||
};
|
||||
|
||||
zone "127.in-addr.arpa" IN {
|
||||
type master;
|
||||
file "pri/127.zone";
|
||||
allow-update { none; };
|
||||
notify no;
|
||||
};
|
||||
28
zonefiles/ml/dotya/master.zonefile
Normal file
28
zonefiles/ml/dotya/master.zonefile
Normal file
@ -0,0 +1,28 @@
|
||||
;; Tested using: named-checkzone dotya.ml /etc/bind/zonefiles/ml/dotya/*.zonefile
|
||||
;; Signed using: dnssec-signzone -g -K "/var/cache/named/bind/keys/ml/dotya" -T 300 -n "$(nproc || printf 1)" /etc/zonefiles/ml/dotya/main.zonefile
|
||||
$TTL 300
|
||||
$ORIGIN dotya.ml.
|
||||
;; NameServer (NS)
|
||||
@ IN NS ns.nebula.dotya.ml.
|
||||
;; Start Of Authority (SOA)
|
||||
@ IN SOA (
|
||||
ns.nebula.dotya.ml. ; MNAME
|
||||
hostmaster.nebula.dotya.ml. ; RNAME
|
||||
2020103022 ; SERIAL (YYYYMMDDHH)
|
||||
8H ; REFRESH
|
||||
2H ; RETRY
|
||||
1W ; EXPIRY
|
||||
2H ; MINIMUM Negative Cache TTL
|
||||
)
|
||||
;; DEFAULT
|
||||
nebula.dotya.ml. IN A 144.91.70.62
|
||||
ns.nebula.dotya.ml. IN A 144.91.70.62
|
||||
|
||||
;; Include other files here
|
||||
;; $INCLUDE "PATH" DOMAIN
|
||||
|
||||
;; Zone-Signing key (ZSK)
|
||||
$INCLUDE "/var/cache/named/bind/keys/<YOUR_KEY_HERE>" dotya.ml
|
||||
|
||||
;; Key-Signing key (KSK)
|
||||
$INCLUDE "/var/cache/named/bind/keys/<YOUR_KEY_HERE>" dotya.ml
|
||||
Loading…
Reference in New Issue
Block a user