$Web Cert Levels: Difference between revisions

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{{DISPLAYTITLE:$Web_Cert_Levels}}
{{DISPLAYTITLE:$Web_Cert_Levels}}
<span class="pageSubtitle"><section begin="desc" />Determine number of client certificate levels<section end="desc" /></span>
<span class="pageSubtitle">Determine number of client certificate levels</span>


<var>$Web_Cert_Levels</var> retrieves the number of certificate levels in a received client certificate.


$Web_Cert_Levels retrieves the number of certificate levels in a received client certificate.
==Syntax==
==Syntax==
<p class="syntax"><section begin="syntax" /> %LEVELS = $Web_Cert_Levels
<p class="syntax"><span class="term">%levels</span> = $Web_Cert_Levels
<section end="syntax" /></p>
</p>
 


$Web_Cert_Levels takes no arguments and returns a number. For a non-SSL connection or a connection in which the client certificates are optional (SSLCLCERT set on the JANUS DEFINE as opposed to SSLCLCERTR) and the client chose not to send a certificate, $Web_Cert_Levels returns a 0.  
==Usage notes==
<ul>
<li>For a non-SSL connection or a connection in which the client certificates are optional (<var>SSLCLCERT</var> set on the <var>[[JANUS DEFINE]]</var> as opposed to <var>SSLCLCERTR</var>) and the client chose not to send a certificate, <var>$Web_Cert_Levels</var> returns a 0.  


For an SSL connection where the client sent a certificate, $Web_Cert_Levels will return a number greater than 0. Level 0 of a certificate always contains the client information. Level 1 contains the information for the "signer" of the client certificate. Level 2 would contain information for the "signer" of the level 1 signer's certificate, and so on.  
<li>For an SSL connection where the client sent a certificate, <var>$Web_Cert_Levels</var> will return a number greater than 0. Level 0 of a certificate always contains the client information. Level 1 contains the information for the "signer" of the client certificate. Level 2 would contain information for the "signer" of the level 1 signer's certificate, and so on.  


Since all certificates accepted by ''[[Janus Network Security]]'' must be signed, $Web_Cert_Levels will always be greater than or equal to 2 if non-zero. Level 3 would indicate a certificate that includes an intermediate certificate.  
<li>Since all certificates accepted by <var class="product">[[Janus Network Security]]</var> must be signed, <var>$Web_Cert_Levels</var> will always be greater than or equal to 2 if non-zero. Level 3 would indicate a certificate that includes an intermediate certificate.  


For information on the data that can be retrieved for each certificate level see [[$Web_Cert_Info]]. To learn more about client certificates see the ''Janus Network Security Reference Manual''.
<li>For information on the data that can be retrieved for each certificate level see <var>[[$Web_Cert_Info]]</var>. To learn more about client certificates see the <var class="product">[[Janus Network Security]]</var> pages.
</ul>


[[Category:Janus Web Server $functions|$Web_Cert_Levels]]
[[Category:Janus Web Server $functions|$Web_Cert_Levels]]

Latest revision as of 22:44, 29 August 2016

Determine number of client certificate levels

$Web_Cert_Levels retrieves the number of certificate levels in a received client certificate.

Syntax

%levels = $Web_Cert_Levels

Usage notes

  • For a non-SSL connection or a connection in which the client certificates are optional (SSLCLCERT set on the JANUS DEFINE as opposed to SSLCLCERTR) and the client chose not to send a certificate, $Web_Cert_Levels returns a 0.
  • For an SSL connection where the client sent a certificate, $Web_Cert_Levels will return a number greater than 0. Level 0 of a certificate always contains the client information. Level 1 contains the information for the "signer" of the client certificate. Level 2 would contain information for the "signer" of the level 1 signer's certificate, and so on.
  • Since all certificates accepted by Janus Network Security must be signed, $Web_Cert_Levels will always be greater than or equal to 2 if non-zero. Level 3 would indicate a certificate that includes an intermediate certificate.
  • For information on the data that can be retrieved for each certificate level see $Web_Cert_Info. To learn more about client certificates see the Janus Network Security pages.