casa / casa-mp-base / c1f2ba45fd0

Commits

Steven Thomas Smith authored and Frank Schima committed c1f2ba45fd0 02 Nov 2019

dns-server: Portfile improvements

* Portfile improvements based on comments from PR https://github.com/macports/macports-ports/pull/4978

net/dns-server/Portfile

Modified

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+version                 9.14.3
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+revision                2
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+categories              net
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+platforms               darwin freebsd sunos
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+supported_archs         noarch
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+maintainers             {ieee.org:s.t.smith @essandess} openmaintainer
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+license                 BSD
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+distfiles
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+description             Domain Name System server configuration
--
+long_description ${description} \
--
+    DNS server working configuration for named that provides a basic, \
--
+    working, easily modifiable LAN DNS server. The configuration includes \
--
+    example LAN, .private, and localhost zones, with example A, PTR, \
--
+    and CNAME (alias) records, MX, SPF, DKIM, and DMARC records for email \
--
+    servers, and URI, TXT, and SRV records for Kerberos servers. This \
--
+    configuration is based upon macOS Server.app's VPN server prior to \
-+
+long_description \
-+
+    DNS server working configuration for named that provides a basic,\
-+
+    working, easily modifiable LAN DNS server. The configuration includes\
-+
+    example LAN, .private, and localhost zones, with example A, PTR,\
-+
+    and CNAME (alias) records, MX, SPF, DKIM, and DMARC records for email\
-+
+    servers, and URI, TXT, and SRV records for Kerberos servers. This\
-+
+    configuration is based upon macOS Server.app's VPN server prior to\
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+    its deprecation in Server.app version 5.8. See `man named`.
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+homepage                https://www.isc.org/
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+depends_run-append      port:bind9
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+use_configure           no
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+build {}
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+set lan_reverse_ip_subnet 1.0.10
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+set host_lan_reverse_ip_address 2.1.0.10
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+# aribitrary example for client IP address
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+set client_lan_ip_address 10.0.1.3
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+set client_lan_reverse_ip_address 3.1.0.10
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+post-activate {
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+    # use network settings for installed example configuration
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+    set named_fullhost [exec /bin/hostname -f]
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+    set named_host [lindex [split ${named_fullhost} .] 0]
--
+    set named_domaintld [join [lrange [split ${named_fullhost} .] end-1 end] .]
-+
+    set named_domaintld [join [lrange [split ${named_fullhost} .] 1 end] .]
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+    set named_domain [lindex [split ${named_domaintld} .] 0]
--
+    set named_tld [lindex [split ${named_domaintld} .] end]
-+
+    set named_tld [join [lrange [split ${named_domaintld} .] 1 end] .]
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+    set host_lan_ip_address [exec /bin/sh -c "/sbin/ifconfig `/usr/sbin/netstat -nr | /usr/bin/awk '{ if (\$1 ~/default/) { print \$NF} }' | /usr/bin/head -1` | /usr/bin/awk '{ if (\$1 ~/inet\$/) { print \$2} }'"]
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+    set lan_reverse_ip_subnet [exec /bin/sh -c "echo ${host_lan_ip_address} | /usr/bin/sed -E -e 's|(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\$|\\3.\\2.\\1|'"]
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+    set host_lan_reverse_ip_address [exec /bin/sh -c "echo ${host_lan_ip_address} | /usr/bin/sed -E -e 's|(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\$|\\4.\\3.\\2.\\1|'"]
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+    # aribitrary example for client IP address
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+    set client_lan_ip_address [exec /bin/sh -c "echo ${host_lan_ip_address} | /usr/bin/sed -E -e 's|(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\$|\\1.\\2.\\3.201|'"]
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+    set client_lan_reverse_ip_address [exec /bin/sh -c "echo ${client_lan_ip_address} | /usr/bin/sed -E -e 's|(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\\.(\[\[:digit:\]\]{1,3})\$|\\4.\\3.\\2.\\1|'"]
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+    # copy to actual config files if they don't already exist
--
+    if ![file exists ${prefix}/etc/named.conf] {
-+
+    if { ![file exists ${prefix}/etc/named.conf] } {
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+        # Configure the conf file
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+        xinstall -o root -g named -m 644 ${prefix}/etc/named.conf.macports \
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+            ${prefix}/etc/named.conf
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+        reinplace "s|@PREFIX@|${prefix}|g" \
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+            ${prefix}/etc/named.conf
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+        reinplace "s|@LAN_REVERSE_IP_SUBNET@|${lan_reverse_ip_subnet}|g" \
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+            ${prefix}/etc/named.conf
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+        reinplace "s|@domain@|${named_domain}|g" \
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+            ${prefix}/etc/named.conf
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+        reinplace "s|@tld@|${named_tld}|g" \
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+        db.@domain@.@tld@ \
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+        db.@domain@.private \
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+        localhost.zone \
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+        named.ca \
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+        named.local \
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+        " {
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+        set f_renamed $f
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+        set f_renamed [ strsed $f_renamed "s|@domain@|${named_domain}|" ]
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+        set f_renamed [ strsed $f_renamed "s|@tld@|${named_tld}|" ]
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+        set f_renamed [ strsed $f_renamed "s|@LAN_REVERSE_IP_SUBNET@|${lan_reverse_ip_subnet}|" ]
--
+        if ![file exists ${prefix}/var/named/${f_renamed}] {
-+
+        if { ![file exists ${prefix}/var/named/${f_renamed}] } {
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+            xinstall -m 0644 -W ${prefix}/var/named \
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+                ${f}.macports ${f_renamed}
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+        }
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+    }
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+    foreach f "\
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+        db.${lan_reverse_ip_subnet}.in-addr.arpa \
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+        db.${named_domain}.${named_tld} \
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+        db.${named_domain}.private \
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+        localhost.zone \
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+        named.ca \
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+            ${prefix}/var/named/${f}
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+        reinplace "s|@LAN_REVERSE_IP_SUBNET@|${lan_reverse_ip_subnet}|g" \
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+            ${prefix}/var/named/${f}
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+        reinplace "s|@HOST_LAN_REVERSE_IP_ADDRESS@|${host_lan_reverse_ip_address}|g" \
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+            ${prefix}/var/named/${f}
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+        reinplace "s|@CLIENT_LAN_IP_ADDRESS@|${client_lan_ip_address}|g" \
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+            ${prefix}/var/named/${f}
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+        reinplace "s|@CLIENT_LAN_REVERSE_IP_ADDRESS@|${client_lan_reverse_ip_address}|g" \
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+            ${prefix}/var/named/${f}
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+    }
--
+    if ![file exists ${prefix}/var/named/rndc.key] {
-+
+    if { ![file exists ${prefix}/var/named/rndc.key] } {
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+        system "${prefix}/sbin/rndc-confgen -A hmac-sha512 -a -c ${prefix}/var/named/rndc.key -u named"
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+    }
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+    ui_msg "Configuring DNS Server with:
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+        Host                       ${named_host}
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+        Domain                     ${named_domain}
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+        TLD                        ${named_tld}
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+        Host IP Address            ${host_lan_ip_address}
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+        Reverse IP Subnet          ${lan_reverse_ip_subnet}
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+    This configuration can be changed in the directory:
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+        ${prefix}/var/named
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+    See `man named` for details.
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+"
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+}
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--
+notes "
--
+The DNS server's initial configuration uses installation-time network
-+
+notes "The DNS server's initial configuration uses installation-time network\
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+settings to provide a basic, working DNS server.
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--
+Users must reconfigure the installation for their own network
-+
+Users must reconfigure the installation for their own network\
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+specifics by editing the files:
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+        ${prefix}/etc/named.conf
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+        ${prefix}/var/named/db.*
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+Refer to the *.macports template files and `man named` for details.
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+Post Installation:
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--
+. Edit files in the directory ${prefix}/var/named to specify correct DNS
--
+    and reverse DNS entries. Example: These two commands should point to
-+
+. Edit files in the directory ${prefix}/var/named to specify correct DNS\
-+
+    and reverse DNS entries. Example: These two commands should point to\
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+    each other:
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+        host ${named_host} ${host_lan_ip_address}
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+        host ${host_lan_ip_address} ${host_lan_ip_address}
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+    A rndc.key fil is automatically created with the command:
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+        rndc-confgen -A hmac-sha512 -a -c ${prefix}/var/named/rndc.key -u named
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+. It is necessary to launch named with:
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+        sudo port load bind9
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+. DNS cache on macOS is flushed with the commands:
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+        dscacheutil -flushcache ; sudo killall -HUP mDNSResponder ; \\
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+            sudo port reload bind9
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--
+. The DNS server is configured by default to accept requests on port 53
--
+    over the LAN. Make sure that this port is not exposed to the open
--
+    internet.
--
+"
-+
+. The DNS server is configured by default to accept requests on port 53\
-+
+    over the LAN. Make sure that this port is not exposed to the open\
-+
+    internet."
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+livecheck.type         none

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