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<p>You don't need substring for the host name for regexp. Regexp
finds the string<br>
<b>anywhere</b> in the host name. From my earlier reply to you:<br>
<font color="#993300"><tt>class "mobile_device" {</tt><tt><br>
</tt><tt> match if (</tt><tt><br>
</tt><tt> option vendor-class-identifier ~~ "android"</tt><tt><br>
</tt><tt> or option host-name ~~ "android"</tt><tt><br>
</tt><tt> or option host-name ~~ "iphone"</tt><tt><br>
</tt><tt> or option host-name ~~ "samsung-"</tt><tt><br>
</tt><tt> or option host-name ~~ "galaxy"</tt><tt><br>
</tt><tt> or option host-name ~~ "ipod"</tt><tt><br>
</tt><tt> or option host-name ~~ "ipad"</tt><tt><br>
</tt><tt> or option host-name ~~ "watch"</tt><tt><br>
</tt><tt> or option host-name ~~ "nintendo 3ds"</tt><tt><br>
</tt><tt> );</tt><tt><br>
</tt><tt>}</tt></font><br>
Host name "theIphoneOfBob" will match on the above class.<br>
<br>
Bill<br>
<br>
</p>
<div class="moz-cite-prefix">On 8/16/2019 3:27 AM, Juan Antonio
García Moreno wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAJbOvPE1EapNFjWcaWteG1ThAzja-RTkmLAGdQw2J8QDynbfAA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">Hi Bob,<br>
<br>
I think too that that works but I was thinking to do with only
one "Class" and a include file with all of "subclass". I'm test
it later.<br>
<br>
To classify, I am doing now this:<br>
<br>
------------------------------------------------------------------------------------------------------------<br>
#*** WORKS ***<br>
class "smartphones" {<br>
<br>
match if (<br>
<br>
# ************************ ANDROID
****************************<br>
substring(option vendor-class-identifier,0,13) =
"android-dhcp-" or<br>
substring(option vendor-class-identifier,0,7) = "HUAWEI:" or<br>
substring(option vendor-class-identifier,0,7) = "dhcpcd-" or<br>
# ************************ IOS ****************************<br>
substring(option host-name,0,6) ~~ "iphone" or<br>
substring(option host-name,0,4) ~~ "ipod" or<br>
substring(option host-name,0,4) ~~ "ipad" or<br>
# ********************* Windows-Phone
*********************....<br>
substring(option host-name,0,13) ~~ "windows-phone"<br>
<br>
);<br>
<br>
}<br>
------------------------------------------------------------------------------------------------------------<br>
<br>
The most Android phones sends the "Option 62" and I think that I
haven't problems to classific them.<br>
<br>
The problem that I have found is that Windows-Movile phones and
the iPhones not send the "Option 62" and I need do the classifi
by the "Host Name (Option 12)".<br>
<br>
With "substring(option host-name,0,6) ~~ "iphone" I can
classify, by example, these phones by Host Name:<br>
<br>
---------------------------------------------------<br>
iphone-John<br>
iPhone-John<br>
Iphone-Sam<br>
Iphone Administration<br>
...<br>
---------------------------------------------------<br>
<br>
But I have found situations like these:<br>
<br>
---------------------------------------------------<br>
Bod-iphone<br>
JohnyiPhone<br>
Samuel-Iphone<br>
Contability Iphone<br>
...<br>
---------------------------------------------------<br>
<br>
Then I think that I would need add a line by each different
situation, by example:<br>
<br>
---------------------------------------------------<br>
substring(option host-name,5,6) ~~ "iphone"<br>
substring(option host-name,6,6) ~~ "iphone"<br>
substring(option host-name,8,6) ~~ "iphone"<br>
substring(option host-name,13,6) ~~ "iphone"<br>
---------------------------------------------------<br>
<br>
Would I can classify the iPhone phones and the Windows phones
otherwise?<br>
<br>
<br>
Are there any way to summarize these lines, for example, in:<br>
<br>
---------------------------------------------------<br>
substring(option host-name) "<CONTAINING>" "iphone"<br>
---------------------------------------------------<br>
<br>
or similary?<br>
<br>
<br>
Best regards<br>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">El jue., 8 ago. 2019 a las
22:33, Bob Harold (<<a href="mailto:rharolde@umich.edu"
moz-do-not-send="true">rharolde@umich.edu</a>>) escribió:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div dir="ltr"><br>
</div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, Aug 8, 2019 at
3:28 AM Juan Antonio García Moreno <<a
href="mailto:jagarcia@emergya.com" target="_blank"
moz-do-not-send="true">jagarcia@emergya.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Hi again,<br>
<br>
I have tested this and work:<br>
<br>
--------------------------------------------------------------------------<br>
class "smartphones" {<br>
<br>
match if substring(option
vendor-class-identifier,0,13) = "android-dhcp-" or<br>
substring(option
vendor-class-identifier,0,7) = "HUAWEI:" or<br>
substring(option
vendor-class-identifier,0,7) = "dhcpcd-";<br>
<br>
}<br>
--------------------------------------------------------------------------<br>
<br>
But if I change it to:<br>
<br>
--------------------------------------------------------------------------<br>
class "smartphones" {<br>
<br>
match if substring(option
vendor-class-identifier,0,13) or<br>
substring(option
vendor-class-identifier,0,7);<br>
<br>
}<br>
<br>
subclass "smartphones" "android-dhcp-";<br>
subclass "smartphones" "HUAWEI:";<br>
subclass "smartphones" "dhcpcd-";<br>
</div>
</blockquote>
<div><br>
</div>
<div>That won't work. The syntax is wrong. Look
carefully at the examples originally given for the two
syntax that work. "IF" requires a boolean expression "a
= b" or "a ~~ b" etc. </div>
<div><br>
</div>
<div>You might try:</div>
<div><br>
</div>
<div>class "smartphones13" {</div>
match substring(option vendor-class-identifier,0,13) #
note NO "if"</div>
<div class="gmail_quote">}<br>
<div>subclass "smartphones13" "android-dhcp-";<br>
</div>
<div><br>
</div>
<div>class "smartphones7" {</div>
<div class="gmail_quote"> match substring(option
vendor-class-identifier,0,7) # note NO "if"</div>
<div class="gmail_quote">}</div>
<div>subclass "smartphones7" "HUAWEI:";<br>
subclass "smartphones7" "dhcpcd-";<br>
</div>
<div><br>
</div>
<div>I cannot say if it would work, but worth a try. I
think this is as close as I can get to what you wanted.</div>
<div><br>
</div>
<div>-- </div>
<div>Bob Harold</div>
<div><br>
</div>
<div> </div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div dir="ltr">--------------------------------------------------------------------------<br>
<br>
When I reload the config in the server, It shows me
this error:<br>
<br>
--------------------------------------------------------------------------<br>
# service dhcp-server force-reload <br>
dhcpd self-test failed. Please fix the config file.<br>
The error was: <br>
Internet Systems Consortium DHCP Server 4.1.1-P1<br>
Copyright 2004-2010 Internet Systems Consortium.<br>
All rights reserved.<br>
For info, please visit <a
href="https://www.isc.org/software/dhcp/"
target="_blank" moz-do-not-send="true">https://www.isc.org/software/dhcp/</a><br>
/etc/dhcp/dhcpd.conf line 67: expecting boolean
expressions<br>
substring(option
vendor-class-identifier,0,7);<br>
^<br>
WARNING: Host declarations are global. They are not
limited to the scope you declared them in.<br>
Configuration file errors encountered -- exiting<br>
# <br>
--------------------------------------------------------------------------<br>
<br>
I can't do this or I am doint it wrong?<br>
<br>
Best regards<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">El jue., 8 ago. 2019
a las 7:50, Bill Shirley (<<a
href="mailto:bill@c3po.polymerindustries.biz"
target="_blank" moz-do-not-send="true">bill@c3po.polymerindustries.biz</a>>)
escribió:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px
0px 0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF"> Here's a couple of classes
you might find useful:<br>
<font color="#993300"><tt>class "mobile_device" {</tt><tt><br>
</tt><tt> match if (</tt><tt><br>
</tt><tt> option vendor-class-identifier
~~ "android"</tt><tt><br>
</tt><tt> or option host-name ~~
"android"</tt><tt><br>
</tt><tt> or option host-name ~~ "iphone"</tt><tt><br>
</tt><tt> or option host-name ~~
"samsung-"</tt><tt><br>
</tt><tt> or option host-name ~~ "galaxy"</tt><tt><br>
</tt><tt> or option host-name ~~ "ipod"</tt><tt><br>
</tt><tt> or option host-name ~~ "ipad"</tt><tt><br>
</tt><tt> or option host-name ~~ "watch"</tt><tt><br>
</tt><tt> or option host-name ~~
"nintendo 3ds"</tt><tt><br>
</tt><tt> );</tt><tt><br>
</tt><tt>}</tt><tt><br>
</tt><tt>class "Microsoft" {</tt><tt><br>
</tt><tt> match if substring(option
vendor-class-identifier, 0, 4) = "MSFT";</tt><tt><br>
</tt><tt> set member_of = "Microsoft";</tt><tt><br>
</tt><tt>}</tt><tt><br>
</tt></font>The first class uses the regexp
operator ~~ (case insensitive). There is also the<br>
case sensitive operator ~=.<br>
<br>
On the subject of implicit deny for a pool with
only "allow members":<br>
I classify most of my devices (i.e. Panasonic,
Ricoh, Canon, Linux, Microsoft) to assign<br>
them to a specific pool (i.e Printers, Linux,
Microsoft, mobile_device). Then I have an<br>
"uncategorized" pool for those devices that aren't
in a currently defined class so that they<br>
will get an address. If later I change a class to
include a device (say Epson), that device<br>
will request its previous address on renew and <b>will
get it</b> if my "uncategorized" pool doesn't<br>
have a 'deny members of "Epson"' configuration
line.<br>
<br>
TL;DR - If a device requests a renewal of an
address and there is no "deny members" for<br>
the pool, it will be granted.<br>
<br>
dhcp-server-4.3.6-10.fc27.x86_64<br>
<br>
Bill<br>
<br>
<div
class="gmail-m_-9064391194575734121gmail-m_-6576517768771351472gmail-m_-817474410703249745moz-cite-prefix">On
8/7/2019 8:42 AM, Juan Antonio García Moreno
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>Hi Simon,<br>
<br>
Too much thanks by your anotation about the
Hosts Declarations. I will keep them in mind
and I will change it.<br>
<br>
About the Hosts Classifications, I have
tested this and works for me:<br>
<br>
------------------------------------------------------------------------------<br>
class "smartphones" {<br>
match if substring(option
vendor-class-identifier,0,13) =
"android-dhcp-" or<br>
substring(option
vendor-class-identifier,0,7) = "HUAWEI:" or<br>
substring(option
vendor-class-identifier,0,7) = "dhcpcd-";<br>
}<br>
------------------------------------------------------------------------------<br>
<br>
That is the same that this:<br>
<br>
------------------------------------------------------------------------------<br>
class "smartphones" {<br>
match option vendor-class-identifier;<br>
}<br>
<br>
subclass "smartphones" "android-dhcp-9"<br>
subclass "smartphones" "android-dhcp-8.1.0"<br>
subclass "smartphones" "android-dhcp-7.0"<br>
subclass "smartphones"
"HUAWEI:android:FIG-L11"<br>
subclass "smartphones"
"HUAWEI:android:QC_Reference_Phone"<br>
subclass "smartphones" "dhcpcd-5.5.6"<br>
------------------------------------------------------------------------------<br>
<br>
And I can change it to:<br>
<br>
------------------------------------------------------------------------------<br>
class "smartphones" {<br>
match option vendor-class-identifier;<br>
}<br>
<br>
include smartphones.cfg<br>
<br>
* smartphones.cfg file containing the
subclass lines.<br>
------------------------------------------------------------------------------<br>
<br>
But, is there any way to minimize the number
of lines to include in the smartphones.cfg
file using some kind of wildcard or
expression/function like "substring()" used
in the Class Declaration?<br>
<br>
Another question:<br>
<br>
The iPhones and the iPads not send the
"vendor-class-identifier" option in the DHCP
Discover Packet.<br>
<br>
Could I classify iPhones and iPads taking
into account some other parameter of the
DHCP Discover Packet?<br>
<br>
<br>
Best regards<br>
</div>
<div><br>
</div>
<div><br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">El lun., 5
ago. 2019 a las 19:35, Simon Hobson (<<a
href="mailto:dhcp1@thehobsons.co.uk"
target="_blank" moz-do-not-send="true">dhcp1@thehobsons.co.uk</a>>)
escribió:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left:1px solid
rgb(204,204,204);padding-left:1ex">Juan
Antonio García Moreno <<a
href="mailto:jagarcia@emergya.com"
target="_blank" moz-do-not-send="true">jagarcia@emergya.com</a>>
wrote:<br>
<br>
> I relly have some hosts declarations,
but I don't have put these in the post.<br>
<br>
Ah yes, about that ... see below !<br>
<br>
> subnet 10.53.0.0 netmask 255.255.0.0
{<br>
> <br>
> default-lease-time 86400;<br>
> max-lease-time 172800;<br>
> <br>
> option broadcast-address
10.53.255.255;<br>
> option routers 10.53.1.1;<br>
> <br>
> # Unknown Clients Range.<br>
> pool {<br>
> deny members of "smartphones";<br>
> range 10.53.33.1 10.53.35.254;<br>
> }<br>
> <br>
> # Smartphones Range.<br>
> pool {<br>
> allow members of "smartphones";<br>
> range 10.53.10.2 10.53.11.254;<br>
> }<br>
> <br>
> host PC-01 {<br>
> hardware ethernet
ff:ff:ff:ff:ff:01;<br>
> fixed-address 10.53.100.5;<br>
> }<br>
> <br>
> host PC-02 {<br>
> hardware ethernet
ff:ff:ff:ff:ff:02;<br>
> fixed-address 10.53.100.6;<br>
> }<br>
> <br>
> }<br>
<br>
That is another common mistake. Host
declarations are always global in scope
even though you might think that putting
them inside a subnet declaration would tie
them to that subnet. So even though
declared inside one subnet, they will be
"known" in any subnet - which in itself
can cause considerable confusion.<br>
But what really makes life "interesting"
(see <a
href="https://en.wikipedia.org/wiki/May_you_live_in_interesting_times"
rel="noreferrer" target="_blank"
moz-do-not-send="true">https://en.wikipedia.org/wiki/May_you_live_in_interesting_times</a>)
is that should a host be connected to a
different network, it will inherit option
values from the subnet where it is
defined. Thus you find yourself with a
client that's been given an address by
DHCP, but the gateway address it's been
given is in a completely different subnet
!<br>
<br>
<br>
> And too, howto fill a text file with
the "vendor-class-identifier" of the
smartphones and include in the DHCP Server
config to match the smartphones devices
too.<br>
<br>
It's a simple scripting exercise to take a
text file containing one string per line,
and build a config file snippet. You can
then use an include statement to
incorporate that config snippet into the
daemon config.<br>
<br>
_______________________________________________<br>
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<td
style="width:305px;padding-bottom:3px;padding-left:10px;vertical-align:top;line-height:25px"
valign="top"><strong
style="color:rgb(12,35,64);font-family:Roboto,Verdana,sans-serif;font-size:10pt"><span
style="font-size:12pt;color:rgb(239,51,64)">Juan García</span></strong><font
face="Roboto, Verdana,
sans-serif"
color="#0c2340"><span
style="font-size:10pt"> </span></font><br>
<pre><font face="times new roman, serif" color="#444444"><b>Dto. de Soporte Interno</b></font><font face="Roboto, Verdana, sans-serif" color="#444444"><span style="font-size:13.3333px">
</span></font></pre>
<span
style="color:rgb(12,35,64);font-family:Roboto,Verdana,sans-serif;font-size:11pt"><strong>EMERGYA
INGENIERÍA</strong></span></td>
</tr>
<tr>
<td
style="font-size:10pt;color:rgb(68,68,68);font-family:Roboto,Verdana,sans-serif;padding-bottom:3px;padding-top:3px;padding-left:10px;vertical-align:top"
valign="top"><span>
<pre><strong style="font-family:Roboto,Verdana,sans-serif;color:rgb(12,35,64);font-size:13.3333px">m:</strong><span style="font-size:10pt;font-family:Arial,sans-serif"> +34 954 517 577</span>
</pre>
</span><span><span
style="color:rgb(12,35,64)"><strong>p:</strong></span><span
style="font-size:10pt;font-family:Arial,sans-serif"> +34 954 517 577<br>
</span></span><span><span
style="color:rgb(12,35,64)"><strong>e:</strong></span><span
style="font-size:10pt;font-family:Arial,sans-serif"> <a
href="mailto:jagarcia@emergya.com" target="_blank"
moz-do-not-send="true">jagarcia@emergya.com</a></span></span></td>
</tr>
<tr>
<td
style="font-size:10pt;font-family:Arial,sans-serif;padding-bottom:5px;padding-top:5px;padding-left:10px;vertical-align:top"
valign="top"><span><a
href="https://www.linkedin.com/company/emergya"
rel="noopener"
target="_blank"
moz-do-not-send="true"><img
alt="linkedin
icon"
style="border:
0px; height: 23px;
width: 23px;"
moz-do-not-send="true"
width="23"
border="0"></a> </span> <span><a
href="https://www.facebook.com/Emergya" rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="facebook
icon"
style="border:
0px; height: 23px;
width: 23px;"
moz-do-not-send="true"
width="23"
border="0"></a> </span> <span><a
href="https://twitter.com/emergya" rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="twitter icon"
style="border:
0px; height: 23px;
width: 23px;"
moz-do-not-send="true"
width="23"
border="0"></a></span><span> </span> <span><a
href="https://www.youtube.com/channel/UCU0ISPwk1pcOWwjpX63gN_A"
rel="noopener"
target="_blank"
moz-do-not-send="true"><img
alt="youtube icon"
style="border:
0px; height: 23px;
width: 23px;"
moz-do-not-send="true"
width="23"
border="0"></a> </span></td>
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<div dir="ltr"><a
href="http://www.emergya.com/"
rel="noopener" alt="www.emergya.com"
target="_blank" moz-do-not-send="true"><img
alt="EMERGYA"
src="https://drive.google.com/uc?export=view&id=1Qq3n-rKeCyFt3CQBeL55l8d_ynzEikrr"
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<td
style="width:305px;padding-bottom:3px;padding-left:10px;vertical-align:top;line-height:25px"
valign="top"><strong
style="color:rgb(12,35,64);font-family:Roboto,Verdana,sans-serif;font-size:10pt"><span
style="font-size:12pt;color:rgb(239,51,64)">Juan García</span></strong><font
face="Roboto, Verdana,
sans-serif" color="#0c2340"><span
style="font-size:10pt"> </span></font><br>
<pre><font face="times new roman, serif" color="#444444"><b>Dto. de Soporte Interno</b></font><font face="Roboto, Verdana, sans-serif" color="#444444"><span style="font-size:13.3333px">
</span></font></pre>
<span
style="color:rgb(12,35,64);font-family:Roboto,Verdana,sans-serif;font-size:11pt"><strong>EMERGYA
INGENIERÍA</strong></span></td>
</tr>
<tr>
<td
style="font-size:10pt;color:rgb(68,68,68);font-family:Roboto,Verdana,sans-serif;padding-bottom:3px;padding-top:3px;padding-left:10px;vertical-align:top"
valign="top"><span>
<pre><strong style="font-family:Roboto,Verdana,sans-serif;color:rgb(12,35,64);font-size:13.3333px">m:</strong><span style="font-size:10pt;font-family:Arial,sans-serif"> +34 954 517 577</span>
</pre>
</span><span><span
style="color:rgb(12,35,64)"><strong>p:</strong></span><span
style="font-size:10pt;font-family:Arial,sans-serif"> +34 954 517 577<br>
</span></span><span><span
style="color:rgb(12,35,64)"><strong>e:</strong></span><span
style="font-size:10pt;font-family:Arial,sans-serif"> <a
href="mailto:jagarcia@emergya.com"
target="_blank"
moz-do-not-send="true">jagarcia@emergya.com</a></span></span></td>
</tr>
<tr>
<td
style="font-size:10pt;font-family:Arial,sans-serif;padding-bottom:5px;padding-top:5px;padding-left:10px;vertical-align:top"
valign="top"><span><a
href="https://www.linkedin.com/company/emergya"
rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="linkedin icon"
src="https://drive.google.com/uc?export=view&id=14q9KMnHl26KNIOktIUE0SY3sPgQpFWS5"
style="border: 0px; height:
23px; width: 23px;"
moz-do-not-send="true"
width="23" border="0"></a> </span> <span><a
href="https://www.facebook.com/Emergya" rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="facebook icon"
src="https://drive.google.com/uc?export=view&id=14LlHRBrAqHVDnAAy4ZeOiDWUtegdTCwT"
style="border: 0px; height:
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moz-do-not-send="true"
width="23" border="0"></a> </span> <span><a
href="https://twitter.com/emergya" rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="twitter icon"
src="https://drive.google.com/uc?export=view&id=14LwyilYJrI3ovruB9yF8ZSF5YP0siLBp"
style="border: 0px; height:
23px; width: 23px;"
moz-do-not-send="true"
width="23" border="0"></a></span><span> </span> <span><a
href="https://www.youtube.com/channel/UCU0ISPwk1pcOWwjpX63gN_A"
rel="noopener" target="_blank"
moz-do-not-send="true"><img
alt="youtube icon"
src="https://drive.google.com/uc?export=view&id=14TBFW3LI-4fqSz3-Vqk9MM0B4wonpZVp"
style="border: 0px; height:
23px; width: 23px;"
moz-do-not-send="true"
width="23" border="0"></a> </span></td>
</tr>
</tbody>
</table>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
dhcp-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:dhcp-users@lists.isc.org">dhcp-users@lists.isc.org</a>
<a class="moz-txt-link-freetext" href="https://lists.isc.org/mailman/listinfo/dhcp-users">https://lists.isc.org/mailman/listinfo/dhcp-users</a>
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