/[smeserver]/rpms/e-smith-tinydns/sme9/e-smith-tinydns-2.4.0_add_hostname_following_dhcpdleases_hostname.patch
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Revision 1.4 by stephdl, Mon Jan 12 20:59:17 2015 UTC Revision 1.7 by stephdl, Tue Jan 27 23:35:57 2015 UTC
# Line 1  Line 1 
1  diff -Nur e-smith-tinydns-2.4.0/createlinks e-smith-tinydns-2.4.0.bz2388/createlinks  diff -Nur e-smith-tinydns-2.4.0.old2388/createlinks e-smith-tinydns-2.4.0.bz2388/createlinks
2  --- e-smith-tinydns-2.4.0/createlinks   2006-03-14 23:01:42.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/createlinks   2015-01-27 19:31:32.953849658 +0100
3  +++ e-smith-tinydns-2.4.0.bz2388/createlinks    2015-01-09 22:18:42.489639249 +0100  +++ e-smith-tinydns-2.4.0.bz2388/createlinks    2015-01-27 20:23:29.080882560 +0100
4  @@ -26,3 +26,24 @@  @@ -26,3 +26,19 @@
5   service_link_enhanced("tinydns", "K65", "6");   service_link_enhanced("tinydns", "K65", "6");
6   service_link_enhanced("tinydns", "K65", "0");   service_link_enhanced("tinydns", "K65", "0");
7   service_link_enhanced("tinydns", "K65", "1");   service_link_enhanced("tinydns", "K65", "1");
# Line 10  diff -Nur e-smith-tinydns-2.4.0/createli Line 10  diff -Nur e-smith-tinydns-2.4.0/createli
10  +    for  my $event (qw( dhcp-dns ))  +    for  my $event (qw( dhcp-dns ))
11  +        {  +        {
12  +        # services to launch on event  +        # services to launch on event
13  +        safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dnscache");  +        safe_symlink("sigusr1", "root/etc/e-smith/events/$event/services2adjust/dnscache");
14  +        safe_symlink("sigusr1", "root/etc/e-smith/events/$event/services2adjust/tinydns");  +        safe_symlink("sigusr1", "root/etc/e-smith/events/$event/services2adjust/tinydns");
 +        safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dhcpd");  
 +        safe_symlink("restart", "root/etc/e-smith/events/$event/services2adjust/dhcp-dns");  
 +          
 +        # Template to event  
 +        templates2events("/var/service/tinydns/root/data", $event);  
15  +        }  +        }
16  +  +
17  +#creation of dhcp-dns service  +#creation of dhcp-dns service
# Line 26  diff -Nur e-smith-tinydns-2.4.0/createli Line 21  diff -Nur e-smith-tinydns-2.4.0/createli
21  +    service_link_enhanced("dhcp-dns", "K65", "0");  +    service_link_enhanced("dhcp-dns", "K65", "0");
22  +    service_link_enhanced("dhcp-dns", "K65", "1");  +    service_link_enhanced("dhcp-dns", "K65", "1");
23  +    safe_symlink("/var/service/dhcp-dns/", "root/service/dhcp-dns");  +    safe_symlink("/var/service/dhcp-dns/", "root/service/dhcp-dns");
24  diff -Nur e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status  diff -Nur e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status
25  --- e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status    1970-01-01 01:00:00.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status    1970-01-01 01:00:00.000000000 +0100
26  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status     2015-01-08 13:33:30.870973725 +0100  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/status     2015-01-27 20:30:30.481143377 +0100
27  @@ -0,0 +1 @@  @@ -0,0 +1 @@
28  +enabled  +disabled
29  diff -Nur e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type  diff -Nur e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type
30  --- e-smith-tinydns-2.4.0/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type      1970-01-01 01:00:00.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type      1970-01-01 01:00:00.000000000 +0100
31  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type       2015-01-08 13:33:30.870973725 +0100  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/db/configuration/defaults/dhcp-dns/type       2015-01-27 20:23:29.075882144 +0100
32  @@ -0,0 +1 @@  @@ -0,0 +1 @@
33  +service  +service
34  diff -Nur e-smith-tinydns-2.4.0/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords  diff -Nur e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords
35  --- e-smith-tinydns-2.4.0/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords       1970-01-01 01:00:00.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords       1970-01-01 01:00:00.000000000 +0100
36  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords        2015-01-09 22:09:02.149175482 +0100  +++ e-smith-tinydns-2.4.0.bz2388/root/etc/e-smith/templates/var/service/tinydns/root/data/65dhcpARecords        2015-01-28 00:28:30.792458726 +0100
37  @@ -0,0 +1,76 @@  @@ -0,0 +1,128 @@
38  +{  +{
39  +    # we need perl-Date-Manip to convert to a unix timestamp  +    use strict;
40  +    use Date::Manip qw /UnixDate/;  +    use warnings;
41  +    +    use esmith::Logger;
42    +    use esmith::ConfigDB;
43    +    use esmith::HostsDB;
44  +    # we need perl-Time-TAI64 for timestamp conversion  +    # we need perl-Time-TAI64 for timestamp conversion
45  +    use Time::TAI64 qw /unixtai64/;  +    use Time::TAI64 qw /unixtai64/;
46    +    # we need perl-Date-Manip to convert to a unix timestamp
47    +    use Date::Manip qw /UnixDate/;
48    +    use File::Copy;
49    +
50    +    my $DB = esmith::ConfigDB->open_ro or die ("Unable to open configuration database");
51    +    my $hosts = esmith::HostsDB->open_ro or die ("Unable to open Host database");
52    +
53    +    #test if the service is enabled return if not
54    +    my $dhcpdns = $DB->get_prop('dhcp-dns','status') || 'disabled';
55    +    return '' if $dhcpdns ne 'enabled';
56    +
57    +    #we start a hash for name & ip
58    +    my %allocated_name = ();
59    +    my %allocated_ip_dhcplease = ();
60    +
61    +    #start a hash of all hosts
62    +    my @hosts = $hosts->keys;
63    +    my %hostsdb;
64    +    @hostsdb{@hosts} = ();
65  +  +
66  +    # copy of dhcpd.leases file to /tmp because working directly on the original  +    # copy of dhcpd.leases file to /tmp because working directly on the original
67  +    # is not a good idea  +    # is not a good idea
68  +    use File::Copy;  +    copy("/var/lib/dhcpd/dhcpd.leases","/tmp/tmpdhcpd.leases")
69  +    copy('/var/lib/dhcpd/dhcpd.leases', '/tmp/tmpdhcpd.leases')  +        or die ("Error dhcp-dns Service : Unable to copy the /var/lib/dhcpd/dhcpd.leases");
70  +        or die ("Error dhcp-dns Service : Can't copy the /var/lib/dhcpd/dhcpd.leases");  +
71    +   #we want to write in log
72    +   sub log2messages
73    +   {
74    +       my $message = shift;
75    +       tie *FH, 'esmith::Logger';
76    +       print FH "$message";
77    +       close FH;
78    +   }
79    +
80  +  +
81  +   #Text::DHCPparse forked because it doesn't allow to retrieve the end of lease  +   #Text::DHCPparse forked because it doesn't allow to retrieve the end of lease
82  +   #Only the start is found by the leaseparse of DHCPparse.pm s/starts/ends  +   #Only the start is found by the leaseparse of DHCPparse.pm s/starts/ends
# Line 84  diff -Nur e-smith-tinydns-2.4.0/root/etc Line 109  diff -Nur e-smith-tinydns-2.4.0/root/etc
109  +}  +}
110  +  +
111  +    # now we parse the leases  +    # now we parse the leases
112  +    $return = leaseparse('/tmp/tmpdhcpd.leases');  +    my $return = leaseparse('/tmp/tmpdhcpd.leases');
113  +    +    my ($ip,$time,$mac,$name);
114  +    # variable with local domain value (default is  mycompamy.local)  +
115  +    my $localdomain = get_local_domainname;  +    # variable with local domain value (default is  mycompamy.local) and retrieve the server name
116    +    my $localdomain = $DB->get_value('DomainName') or die ("Unable retrieve the DomainName property");
117    +    my $servername  = $DB->get_value('SystemName') or die ("Unable retrieve the SystemName property");
118  +  +
119  +    $OUT .= "# A records for dhcp hosts in $localdomain\n";  +    $OUT .= "# A records for dhcp hosts in $localdomain\n";
120  +  +
121  +    foreach (keys %$return) {  +    foreach (keys %$return) {
122  +        ($ip, $time, $mac, $name) = unpack("A17 A21 A19 A30", $return->{$_});  +        ($ip, $time, $mac, $name) = unpack("A17 A21 A19 A30", $return->{$_});
123  +         # when the dhcp lease is over $name is empty .. we want only non empty one  +
124  +         if ( $name ne "" ) {  +        # when the dhcp lease is over $name is empty .. we want only non empty one
125  +            # we skip also ips already allocated  +        if ( $name ne "" )
126  +            unless (exists $allocated_ips{$ip})  +        {
127    +            # we skip also ips & names already allocated
128    +            unless (exists $allocated_ip_dhcplease{$ip} || exists $allocated_name{$name})
129  +            {  +            {
130  +                # Convert lease end time to the format expected as  +                # Convert lease end time to the format expected as
131  +                # see:  http://cr.yp.to/djbdns/tinydns-data.html  +                # see:  http://cr.yp.to/djbdns/tinydns-data.html
# Line 107  diff -Nur e-smith-tinydns-2.4.0/root/etc Line 136  diff -Nur e-smith-tinydns-2.4.0/root/etc
136  +                # Determine TTL  +                # Determine TTL
137  +                my $ttl = '';  +                my $ttl = '';
138  +                $ttl = 0 unless ($ts <= time);  +                $ttl = 0 unless ($ts <= time);
139  +                $OUT .= "=$name.$localdomain:$ip:$ttl:$endtai\n";  +
140    +                # verify if dhcp client name is not used in host DB
141    +                if (! exists $hostsdb{"$name\.$localdomain"})
142    +                {
143    +                    $OUT .= "=$name.$localdomain:$ip:$ttl:$endtai\n" unless (($name eq $servername) || ($name !~ /^[a-zA-Z0-9][a-zA-Z0-9-]*$/));
144    +                    log2messages("The hostname of this server ($servername) is already in use with a different IP address in /var/lib/dhcpd/dhcpd.leases")  
145    +                        if ($name eq $servername);
146    +                    log2messages("The hostname of the dhcp client ($name) has illegal characters in /var/lib/dhcpd/dhcpd.leases")
147    +                        if ($name !~ /^[a-zA-Z0-9][a-zA-Z0-9-]*$/);
148    +                }
149    +                else
150    +                {
151    +                    log2messages("The hostname of the dhcp client ($name) is already used in the hosts database");
152    +                }
153  +            }  +            }
154  +            $allocated_ips{$ip} = 1;  +
155    +            $allocated_ip_dhcplease{$ip} = 1;
156    +            $allocated_name{$name} ++;
157    +
158    +            log2messages("The hostname \"$name\"  has already been assigned an IP address in /var/lib/dhcpd/dhcpd.leases")  
159    +                if ($allocated_name{$name} >1);
160  +        }  +        }
161  +    }  +    }
162  +    # remove the temp file  +    # remove the temp file
163  +    system ("rm -f /tmp/tmpdhcpd.leases") ==0  +    unlink "/tmp/tmpdhcpd.leases"
164  +       or die ("Error dhcp-dns Service : Can't rm the /tmp/tmpdhcpd.leases");  +      or log2messages("Error dhcp-dns Service : Unable to remove the /tmp/tmpdhcpd.leases");
165  +}  +}
166  diff -Nur e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/dhcp-dns e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/dhcp-dns  diff -Nur e-smith-tinydns-2.4.0.old2388/root/var/service/dhcp-dns/dhcp-dns e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/dhcp-dns
167  --- e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/dhcp-dns    1970-01-01 01:00:00.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/root/var/service/dhcp-dns/dhcp-dns    1970-01-01 01:00:00.000000000 +0100
168  +++ e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/dhcp-dns     2015-01-09 22:22:32.389241240 +0100  +++ e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/dhcp-dns     2015-01-28 00:24:48.209462754 +0100
169  @@ -0,0 +1,38 @@  @@ -0,0 +1,49 @@
170  +#!/usr/bin/perl  +#!/usr/bin/perl
171    +use strict;
172    +use warnings;
173    +use esmith::ConfigDB;
174    +
175    +my $DB = esmith::ConfigDB->open_ro or die ("Unable to open configuration database");
176    +my $dhcpdns = $DB->get_prop('dhcp-dns','status') || 'disabled';
177  +  +
178  +my $lease_file = "/var/lib/dhcpd/dhcpd.leases";  +my $lease_file = "/var/lib/dhcpd/dhcpd.leases";
179  +  +
# Line 130  diff -Nur e-smith-tinydns-2.4.0/root/var Line 183  diff -Nur e-smith-tinydns-2.4.0/root/var
183  +# seconds to wait  +# seconds to wait
184  +my $update_freq = 30;  +my $update_freq = 30;
185  +  +
186    +#we want to write in log
187    +sub log2messages
188    +   {
189    +        my $message = shift;
190    +        tie *FH, 'esmith::Logger';
191    +        print FH "$message";
192    +        close FH;
193    +   }
194    +
195  +###########################################################################  +###########################################################################
196  +# Main Loop  +# Main Loop
197  +while (1) {  +while ($dhcpdns eq 'enabled') {
198  +  +
199  +  # check the file's last updated time, if it's been changed, update  +  # check the file's last updated time, if it's been changed, update
200  +  # the DNS and save the modified time.  This will ALWAYS run once - on  +  # the DNS and save the modified time.  This will ALWAYS run once - on
# Line 142  diff -Nur e-smith-tinydns-2.4.0/root/var Line 204  diff -Nur e-smith-tinydns-2.4.0/root/var
204  +  if ($stats[9] > $modtime) {  +  if ($stats[9] > $modtime) {
205  +    +  
206  +       $modtime = $stats[9];  +       $modtime = $stats[9];
 +        system ("expand-template /var/service/tinydns/root/data") ==0  
 +            or warn ("Error service dhcp-dns : can't do expand-template /var/service/tinydns/root/data");  
 +  
207  +        system ("/usr/bin/sv 1 /service/tinydns") ==0  +        system ("/usr/bin/sv 1 /service/tinydns") ==0
208  +            or warn ("Error service dhcp-dns : can't do sv 1 /service/tinydns");  +            or log2messages('Error service dhcp-dns : Unable to restart /service/tinydns');
209  +  +
210  +        system ("/usr/bin/sv 1 /service/dnscache") ==0  +        system ("/usr/bin/sv 1 /service/dnscache") ==0
211  +            or warn ("Error service dhcp-dns : can't do sv 1 /service/dnscache");  +            or log2messages('Error service dhcp-dns : Unable to do restart /service/dnscache');
 +  
212  +  }  +  }
213  +  +
214  +  # wait till next check time  +  # wait till next check time
# Line 158  diff -Nur e-smith-tinydns-2.4.0/root/var Line 216  diff -Nur e-smith-tinydns-2.4.0/root/var
216  +  +
217  +} # end main  +} # end main
218  +###########################################################################  +###########################################################################
219  diff -Nur e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/run e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/run  diff -Nur e-smith-tinydns-2.4.0.old2388/root/var/service/dhcp-dns/run e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/run
220  --- e-smith-tinydns-2.4.0/root/var/service/dhcp-dns/run 1970-01-01 01:00:00.000000000 +0100  --- e-smith-tinydns-2.4.0.old2388/root/var/service/dhcp-dns/run 1970-01-01 01:00:00.000000000 +0100
221  +++ e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/run  2015-01-08 13:33:30.871973834 +0100  +++ e-smith-tinydns-2.4.0.bz2388/root/var/service/dhcp-dns/run  2015-01-27 20:23:29.079882477 +0100
222  @@ -0,0 +1,4 @@  @@ -0,0 +1,4 @@
223  +#!/bin/sh  +#!/bin/sh
224  +  +

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