sfatables/processors/restrict_to_flowspec.xsl

   1 <?xml version="1.0" encoding="ISO-8859-1"?>
   2 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   3     <!-- Magic sauce copied from a manual. This fragment basically copies everything except for
   4     stuff that explicitly matches with the templates defined below. In the case of such a match,
   5     the matched node is treated differently.-->
   6     <xsl:template match="@* | node()">
   7         <xsl:copy>
   8             <xsl:apply-templates select="@* | node()"/>
   9         </xsl:copy>
  10     </xsl:template>
  11
  12     <xsl:variable name="wswitch" select="//RSpec//target-context/argument[name='whitelist-switch']/value"/>
  13     <xsl:variable name="wtpsrc" select="//RSpec//target-context/argument[name='whitelist-tpsrc']/value"/>
  14     <xsl:variable name="wtpdst" select="//RSpec//target-context/argument[name='whitelist-tpdst']/value"/>
  15     <xsl:variable name="wipsrc" select="//RSpec//target-context/argument[name='whitelist-ipsrc']/value"/>
  16     <xsl:variable name="wipdst" select="//RSpec//target-context/argument[name='whitelist-ipdst']/value"/>
  17
  18     <!-- Drop nodes that are not in the whitelist -->
  19     <xsl:template match="//switchEntry">
  20             <xsl:choose>
  21                 <xsl:when test="(nodeId==$wswitch) and
  22                     (interfaceEntry/flowSpaceEntry/tp_src==$wtpsrc) and
  23                     (interfaceEntry/flowSpaceEntry/tp_dst==$wtpdst)">
  24                     <xsl:copy-of select="."/>
  25                 </xsl:when>
  26                 <xsl:otherwise/>
  27             </xsl:choose>
  28     </xsl:template>
  29
  30 </xsl:stylesheet>