T1174: migrate local hostname/DNS handling to vyos-1x

9 files changed, 14 insertions, 395 deletions

diff --git a/ChangeLog b/ChangeLog
index 2d7dc77f..c6b5cd90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+vyatta-cfg-system (0.20.44+vyos2+current20) unstable; urgency=medium
+
+  * Remove nodes which rely on vyatta_update_resolv.pl
+    in favor of a vyos-1x migration
+
+ -- Christian Poessinger <christian@poessinger.com>  Thu, 14 Feb 2019 22:34:06 +0100
+
 vyatta-cfg-system (0.20.44+vyos2+current3) unstable; urgency=medium
 
   [ Kim Hagen ]
diff --git a/Makefile.am b/Makefile.am
index 990cba46..ac414b34 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -41,14 +41,12 @@ sbin_SCRIPTS += scripts/system/vyatta_check_domainname.pl
 sbin_SCRIPTS += scripts/system/vyatta_interface_rescan
 sbin_SCRIPTS += scripts/system/vyatta_update_login.pl
 sbin_SCRIPTS += scripts/system/vyatta_update_logrotate.pl
-sbin_SCRIPTS += scripts/system/vyatta_update_resolv.pl
 sbin_SCRIPTS += scripts/system/vyatta_update_sysctl.pl
 #sbin_SCRIPTS += scripts/system/vyatta_update_syslog.pl
 sbin_SCRIPTS += scripts/system/vyatta_update_console.pl
 sbin_SCRIPTS += scripts/system/irq-affinity.pl
 sbin_SCRIPTS += scripts/snmp/if-mib-alias
 sbin_SCRIPTS += scripts/telnetd.init
-sbin_SCRIPTS += scripts/vyatta-system-nameservers
 sbin_SCRIPTS += scripts/vyatta-interfaces.pl
 sbin_SCRIPTS += scripts/vyatta-address
 sbin_SCRIPTS += scripts/vyatta-tunnel-cleanup
diff --git a/debian/changelog b/debian/changelog
index 4f4d5fda..66cefb5f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+vyatta-cfg-system (0.20.44+vyos2+current20) unstable; urgency=medium
+
+  * Remove nodes which rely on vyatta_update_resolv.pl
+    in favor of a vyos-1x migration
+
+ -- Christian Poessinger <christian@poessinger.com>  Thu, 14 Feb 2019 22:34:06 +0100
+
 vyatta-cfg-system (0.20.44+vyos2+current19) unstable; urgency=low
 
   * linkdown.d and linkup.d scripts moved into vyos-netplug
diff --git a/scripts/system/vyatta_update_resolv.pl b/scripts/system/vyatta_update_resolv.pl
deleted file mode 100755
index de09a760..00000000
--- a/scripts/system/vyatta_update_resolv.pl
+++ /dev/null
@@ -1,268 +0,0 @@
-#!/usr/bin/perl -w
-#
-# Module: vyatta_update_resolv.pl
-#
-# **** License ****
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Marat Nepomnyashy
-# Date: December 2007
-# Description: Script to update '/etc/resolv.conf' on commit of 'system domain-search domain' config.
-#
-# **** End License ****
-#
-
-use strict;
-use lib "/opt/vyatta/share/perl5/";
-use Getopt::Long;
-use Vyatta::Config;
-
-my $dhclient_script = 0;
-my $config_mode = 0;
-
-GetOptions("dhclient-script=i" => \$dhclient_script,
-           "config-mode=i"     => \$config_mode,
-);
-
-my $vc = new Vyatta::Config();
-$vc->setLevel('system');
-
-my @search_domains;
-my $domain_name = undef;
-my $disable_dhcp_nameservers = undef;
-
-if ($config_mode == 1) {
-    $disable_dhcp_nameservers = $vc->exists('disable-dhcp-nameservers');
-} else {
-    $disable_dhcp_nameservers = $vc->existsOrig('disable-dhcp-nameservers');
-}
-
-if ($dhclient_script == 1) {
-    @search_domains = $vc->returnOrigValues('domain-search domain');
-    $domain_name = $vc->returnOrigValue('domain-name');
-} else {
-    @search_domains = $vc->returnValues('domain-search domain');
-    $domain_name = $vc->returnValue('domain-name');
-}
-
-if ($dhclient_script == 0 && @search_domains > 0 && $domain_name && length($domain_name) > 0) {
-    my @location;
-    if ($vc->returnOrigValues('domain-search domain') > 0) {
-        @location = ["system","domain-name"];
-    }
-    else {
-        @location = ["system","domain-search","domain"];
-    }
-    Vyatta::Config::outputError(@location,"System configuration error.  Both \'domain-name\' and \'domain-search\' are specified, but only one of these mutually exclusive parameters is allowed.");
-    exit(1);
-}
-
-my $search_domain_list = '';
-my $search_includes_system = 0;
-
-foreach my $domain (@search_domains) {
-    if (length($search_domain_list) > 0) {
-        $search_domain_list .= ' ';
-    }
-    $search_domain_list .= $domain;
-    $search_includes_system = 1;
-}
-
-# add domain searches received from the dhcp client to those already in /etc/resolv.conf, as long as domain-name is not set in the CLI
-
-my $search_includes_dhcp = 0;
-
-if (!defined($domain_name)) {
-    my @dhcp_interfaces_resolv_files = `ls /etc/ | grep resolv.conf.dhclient-new`;
-    if ($#dhcp_interfaces_resolv_files >= 0) {
-        for my $each_file (@dhcp_interfaces_resolv_files) {
-            chomp $each_file;
-            my $find_search = `grep "^search" /etc/$each_file 2> /dev/null | wc -l`;
-            if ($find_search == 1) {
-                my $search_string = `grep "^search" /etc/$each_file`;
-                my @dhcp_domains = split(/\s+/, $search_string, 2);
-                my $dhcp_domain = $dhcp_domains[1];
-                chomp $dhcp_domain;
-                if (length($search_domain_list) > 0) {
-                    $search_domain_list .= ' ';
-                }
-                $search_domain_list .= $dhcp_domain;
-                $search_includes_dhcp = 1;
-            }
-        }
-    }
-}
-
-my $search = '';
-if (length($search_domain_list) > 0) {
-    my $source;
-    if ($search_includes_system == 1) {
-        if ($search_includes_dhcp == 1) {
-            $source = "(system + dhcp)";
-        } else {
-            $source = "(system)";
-        }
-    } else {
-        $source = "(dhcp)";
-    }
-    $search = "#line generated by vyatta_update_resolv.pl $source\nsearch\t\t$search_domain_list\n";
-}
-
-my $domain = '';
-if ($domain_name && length($domain_name) > 0) {
-    $domain = "#line generated by vyatta_update_resolv.pl (system)\ndomain\t\t$domain_name\n";
-}
-
-# update /etc/resolv.conf with name-servers received from dhcp client, done when this script is called
-# with either the dhclient-script (on DHCP changes) or config-mode (disable-dhcp-nameservers) options.
-
-if (($dhclient_script == 1) || ($config_mode == 1)) {
-    my @current_dhcp_nameservers;
-
-    # code below to add new name-servers received from dhcp client, but only if disable-dhcp-nameservers 
-    # hasn't been enabled.
-    
-    my @dhcp_interfaces_resolv_files = `ls /etc/ | grep resolv.conf.dhclient-new`;
-    if ($#dhcp_interfaces_resolv_files >= 0) {
-        my $ns_count = 0;
-        for my $each_file (@dhcp_interfaces_resolv_files) {
-            chomp $each_file;
-            my $find_nameserver = `grep nameserver /etc/$each_file 2> /dev/null | wc -l`;
-            if ($find_nameserver > 0) {
-                my @nameservers = `grep nameserver /etc/$each_file`;
-                for my $each_nameserver (@nameservers) {
-                    my @nameserver = split(/ /, $each_nameserver, 2);
-                    my $ns = $nameserver[1];
-                    chomp $ns;
-                    $current_dhcp_nameservers[$ns_count] = $ns;
-                    $ns_count++;
-                    my @search_ns_in_resolvconf = `grep $ns /etc/resolv.conf`;
-                    my $ns_in_resolvconf = 0;
-                    if (@search_ns_in_resolvconf > 0) {
-                        foreach my $ns_resolvconf (@search_ns_in_resolvconf) {
-                            my @resolv_ns = split(/\s+/, $ns_resolvconf);
-                            my $final_ns = $resolv_ns[1];
-                            chomp $final_ns;
-                            if ($final_ns eq $ns) {
-                                $ns_in_resolvconf = 1;
-                            }
-                        }
-                    }
-                    if (($ns_in_resolvconf == 0) && !($disable_dhcp_nameservers)) {
-                        open (my $rf, '>>', '/etc/resolv.conf')
-                            or die "$! error trying to overwrite";
-                        print $rf "#nameserver written by vyatta_update_resolv.pl (dhcp)\nnameserver\t$ns\n";
-                        close $rf;
-                    }
-                }
-            }
-        }
-    }
-
-    # code below to remove old name-servers from /etc/resolv.conf that were not received in this response
-    # from dhcp-server, or to remove previous dhcp supplied name-servers if disable-dhcp-nameservers has
-    # been enabled.
-
-    my $found_old = 0;
-    
-    my @nameservers_dhcp_in_resolvconf = `sed -n '/nameserver written/{n;P;}' /etc/resolv.conf`;
-    for my $old_style_nameservers (@nameservers_dhcp_in_resolvconf) {
-        if ($old_style_nameservers =~ /#line generated by/){
-            @nameservers_dhcp_in_resolvconf = `sed -n '/nameserver written/{P;}' /etc/resolv.conf`;
-            $found_old = 1;
-            last;
-        }
-    }
-    my @dhcp_nameservers_in_resolvconf;
-    my $count_nameservers_in_resolvconf = 0;
-    for my $count_dhcp_nameserver (@nameservers_dhcp_in_resolvconf) {
-        my @dhcp_nameserver = split(/\t/, $count_dhcp_nameserver, 3);
-        $dhcp_nameservers_in_resolvconf[$count_nameservers_in_resolvconf] = $dhcp_nameserver[1];
-        $count_nameservers_in_resolvconf++;
-    }
-    if (($#current_dhcp_nameservers < 0) || ($disable_dhcp_nameservers)) {
-        for my $dhcpnameserver (@dhcp_nameservers_in_resolvconf) {
-            my $cmd;
-            chomp $dhcpnameserver;
-            if ($found_old == 1) {
-                $cmd = "sed -i '/nameserver\t$dhcpnameserver/d' /etc/resolv.conf";
-            } else {
-                $cmd = "sed -i -n '/nameserver\t$dhcpnameserver/".'{n;x;d;};x;1d;p;${x;p;}'."' /etc/resolv.conf";
-            }
-            system($cmd);
-        }
-    } else {
-        for my $dhcpnameserver (@dhcp_nameservers_in_resolvconf) {
-            my $found = 0;
-            my $cmd;
-            chomp $dhcpnameserver;
-            for my $currentnameserver (@current_dhcp_nameservers) {
-                if ($dhcpnameserver eq $currentnameserver){
-                    $found = 1;
-                }
-            }
-            if ($found == 0) {
-                if ($found_old == 1) {
-                    $cmd = "sed -i '/nameserver\t$dhcpnameserver/d' /etc/resolv.conf";
-                } else {
-                    $cmd = "sed -i -n '/nameserver\t$dhcpnameserver/".'{n;x;d;};x;1d;p;${x;p;}'."' /etc/resolv.conf";
-                }
-                system($cmd);
-            }
-        }
-    }
-}
-
-# The following will re-write '/etc/resolv.conf' line by line,
-# replacing the 'search' specifier with the latest values,
-# or replacing the 'domain' specifier with the latest value.
-
-my @resolv;
-if (-e '/etc/resolv.conf') {
-    open (my $f, '<', '/etc/resolv.conf')
-        or die("$0:  Error!  Unable to open '/etc/resolv.conf' for input: $!\n");
-    @resolv = <$f>;
-    close ($f);
-}
-
-my $foundSearch = 0;
-my $foundDomain = 0;
-
-open (my $r, '>', '/etc/resolv.conf')
-    or die("$0:  Error!  Unable to open '/etc/resolv.conf' for output: $!\n");
-
-foreach my $line (@resolv) {
-    if ($line =~ /^search\s/) {
-        $foundSearch = 1;
-        if (length($search) > 0) {
-            print $r $search;
-        }
-    } elsif ($line =~ /^domain\s/) {
-        $foundDomain = 1;
-        if (length($domain) > 0) {
-            print $r $domain;
-        }
-    } elsif ($line !~ /^#line generated by\s/) {
-        print $r $line;
-    }
-}
-
-if ($foundSearch == 0 && length($search) > 0) {
-    print $r $search;
-}
-if ($foundDomain == 0 && length($domain) > 0) {
-    print $r $domain;
-}
-
-close ($r);
diff --git a/scripts/vyatta-system-nameservers b/scripts/vyatta-system-nameservers
deleted file mode 100755
index 9c688e80..00000000
--- a/scripts/vyatta-system-nameservers
+++ /dev/null
@@ -1,102 +0,0 @@
-#!/bin/bash
-#
-# Module: vyatta-system-nameservers
-#
-# **** License ****
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# General Public License for more details.
-#
-# This code was originally developed by Vyatta, Inc.
-# Portions created by Vyatta are Copyright (C) 2008 Vyatta, Inc.
-# All Rights Reserved.
-#
-# Author: Mohit Mehta
-# Date: September 2008
-# Description: CLI back-end script for setting/deleting system nameservers
-#
-# **** End License ****
-#
-
-print_usage() {
-    echo "Usage:"
-    echo -e "\t$0 update <ip of name-server>"
-    echo -e "\t$0 delete <ip of name-server>"
-}
-
-restart_dnsmasq () {
-    # restart dnsmasq if dns-forwarding is configured
-    if cli-shell-api existsActive service dns forwarding; then
-        /opt/vyatta/sbin/vyatta-dns-forwarding.pl --update-dnsforwarding >&/dev/null
-    fi
-}
-
-update_system_nameservers () {
-    nameserver=$1
-    touch /etc/resolv.conf
-    # if name-server already in /etc/resolv.conf then exit
-    if grep -q "$nameserver\($\|[[:space:]]\)" /etc/resolv.conf; then
-        exit 0
-    else
-        # find last instance of cli inserted nameserver
-        # insert currently received nameserver immediately after that
-        # this is done to keep system set nameservers priority over dhcp received nameservers
-        cli_ns_array=($(awk '{if (/(dhcp)/) exit 0; if (!$3) print $2}' /etc/resolv.conf))
-        cli_ns_array_len=${#cli_ns_array[*]}
-        line_num=0
-        if [ $cli_ns_array_len -gt 0 ]; then
-            grepped_ns_line=`grep "${cli_ns_array[$cli_ns_array_len-1]}$" -n /etc/resolv.conf`
-            echo ${grepped_ns_line%%:*} > /etc/resolv_tmp.conf
-            line_num=`cat /etc/resolv_tmp.conf`
-        fi
-        head -$line_num /etc/resolv.conf > /etc/resolv_tmp.conf
-        echo "nameserver      $nameserver" >> /etc/resolv_tmp.conf
-        total_lines=`cat /etc/resolv.conf | wc -l`
-        rest_lines=`expr $total_lines - $line_num`
-        tail -$rest_lines /etc/resolv.conf >> /etc/resolv_tmp.conf
-        mv -f /etc/resolv_tmp.conf /etc/resolv.conf
-    fi
-    restart_dnsmasq
-}
-
-delete_system_nameserver () {
-    nameserver=$1
-    touch /etc/resolv.conf
-    # remove specified nameserver
-    sed -i "/$nameserver$/d" /etc/resolv.conf
-    restart_dnsmasq
-}
-
-#
-# main
-#
-
-case "$1" in
-    update)
-        if [ $# -ne 2 ]; then
-            print_usage
-            exit 1
-        fi
-        update_system_nameservers $2
-        exit 0
-        ;;
-
-    delete)
-        if [ $# -ne 2 ]; then
-            print_usage
-            exit 1
-        fi
-        delete_system_nameserver $2
-        exit 0
-        ;;
-
-    *)
-        print_usage
-        exit 1
-        ;;
-esac
diff --git a/templates/system/disable-dhcp-nameservers/node.def b/templates/system/disable-dhcp-nameservers/node.def
deleted file mode 100644
index adf84948..00000000
--- a/templates/system/disable-dhcp-nameservers/node.def
+++ /dev/null
@@ -1,5 +0,0 @@
-priority: 300
-help: Disable DHCP updates of DNS settings 
-
-create: sudo /opt/vyatta/sbin/vyatta_update_resolv.pl --config-mode 1
-delete: sudo /opt/vyatta/sbin/vyatta_update_resolv.pl --config-mode 1
diff --git a/templates/system/domain-search/domain/node.def b/templates/system/domain-search/domain/node.def
deleted file mode 100644
index d455745b..00000000
--- a/templates/system/domain-search/domain/node.def
+++ /dev/null
@@ -1,6 +0,0 @@
-multi:
-type: txt
-help: DNS domain completion order
-syntax:expression: pattern $VAR(@) "^[-a-zA-Z0-9.]+$" ; "invalid domain name $VAR(@)"
-create:expression: "sudo /opt/vyatta/sbin/vyatta_update_resolv.pl"
-delete:expression: "sudo /opt/vyatta/sbin/vyatta_update_resolv.pl"
diff --git a/templates/system/domain-search/node.def b/templates/system/domain-search/node.def
deleted file mode 100644
index 4bc32c52..00000000
--- a/templates/system/domain-search/node.def
+++ /dev/null
@@ -1,2 +0,0 @@
-priority: 400
-help: Domain Name Server (DNS) domain completion order
diff --git a/templates/system/name-server/node.def b/templates/system/name-server/node.def
deleted file mode 100644
index b2aadb4e..00000000
--- a/templates/system/name-server/node.def
+++ /dev/null
@@ -1,10 +0,0 @@
-multi:
-priority: 400
-type: ipv4,ipv6
-help: Domain Name Server (DNS)
-val_help: ipv4; Domain Name Server (DNS) address
-val_help: ipv6; Domain Name Server (DNS) address
-
-create: sudo /opt/vyatta/sbin/vyatta-system-nameservers update $VAR(@)
-
-delete: sudo /opt/vyatta/sbin/vyatta-system-nameservers delete $VAR(@)