From 311bcfc6b3acdd6fd152798c7f287ddf74fa2a98 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:46:48 +0200
Subject: Adding upstream version 15.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 contrib/xml2/sql/xml2.sql | 139 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 contrib/xml2/sql/xml2.sql

(limited to 'contrib/xml2/sql/xml2.sql')

diff --git a/contrib/xml2/sql/xml2.sql b/contrib/xml2/sql/xml2.sql
new file mode 100644
index 0000000..ac49cfa
--- /dev/null
+++ b/contrib/xml2/sql/xml2.sql
@@ -0,0 +1,139 @@
+CREATE EXTENSION xml2;
+
+select query_to_xml('select 1 as x',true,false,'');
+
+select xslt_process( query_to_xml('select x from generate_series(1,5) as
+x',true,false,'')::text,
+$$<xsl:stylesheet version="1.0"
+               xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+<xsl:output method="xml" indent="yes" />
+<xsl:template match="*">
+  <xsl:copy>
+     <xsl:copy-of select="@*" />
+     <xsl:apply-templates />
+  </xsl:copy>
+</xsl:template>
+<xsl:template match="comment()|processing-instruction()">
+  <xsl:copy />
+</xsl:template>
+</xsl:stylesheet>
+$$::text);
+
+CREATE TABLE xpath_test (id integer NOT NULL, t xml);
+INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>');
+SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
+as t(id int4);
+SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
+as t(id int4, doc int4);
+
+DROP TABLE xpath_test;
+CREATE TABLE xpath_test (id integer NOT NULL, t text);
+INSERT INTO xpath_test VALUES (1, '<doc><int>1</int></doc>');
+SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
+as t(id int4);
+SELECT * FROM xpath_table('id', 't', 'xpath_test', '/doc/int', 'true')
+as t(id int4, doc int4);
+
+create table articles (article_id integer, article_xml xml, date_entered date);
+insert into articles (article_id, article_xml, date_entered)
+values (2, '<article><author>test</author><pages>37</pages></article>', now());
+SELECT * FROM
+xpath_table('article_id',
+            'article_xml',
+            'articles',
+            '/article/author|/article/pages|/article/title',
+            'date_entered > ''2003-01-01'' ')
+AS t(article_id integer, author text, page_count integer, title text);
+
+-- this used to fail when invoked a second time
+select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0"
+xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+<xsl:template match="@*|node()">
+      <xsl:copy>
+         <xsl:apply-templates select="@*|node()"/>
+      </xsl:copy>
+   </xsl:template>
+</xsl:stylesheet>$$)::xml;
+
+select xslt_process('<aaa/>',$$<xsl:stylesheet version="1.0"
+xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+<xsl:template match="@*|node()">
+      <xsl:copy>
+         <xsl:apply-templates select="@*|node()"/>
+      </xsl:copy>
+   </xsl:template>
+</xsl:stylesheet>$$)::xml;
+
+create table t1 (id integer, xml_data xml);
+insert into t1 (id, xml_data)
+values
+(1, '<attributes><attribute name="attr_1">Some
+Value</attribute></attributes>');
+
+create index idx_xpath on t1 ( xpath_string
+('/attributes/attribute[@name="attr_1"]/text()', xml_data::text));
+
+SELECT xslt_process('<employee><name>cim</name><age>30</age><pay>400</pay></employee>'::text, $$<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+  <xsl:output method="xml" omit-xml-declaration="yes" indent="yes"/>
+  <xsl:strip-space elements="*"/>
+  <xsl:param name="n1"/>
+  <xsl:param name="n2"/>
+  <xsl:param name="n3"/>
+  <xsl:param name="n4"/>
+  <xsl:param name="n5" select="'me'"/>
+  <xsl:template match="*">
+    <xsl:element name="samples">
+      <xsl:element name="sample">
+        <xsl:value-of select="$n1"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n2"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n3"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n4"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n5"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n6"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n7"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n8"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n9"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n10"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n11"/>
+      </xsl:element>
+      <xsl:element name="sample">
+        <xsl:value-of select="$n12"/>
+      </xsl:element>
+    </xsl:element>
+  </xsl:template>
+</xsl:stylesheet>$$::text, 'n1="v1",n2="v2",n3="v3",n4="v4",n5="v5",n6="v6",n7="v7",n8="v8",n9="v9",n10="v10",n11="v11",n12="v12"'::text);
+
+-- possible security exploit
+SELECT xslt_process('<xml><foo>Hello from XML</foo></xml>',
+$$<xsl:stylesheet version="1.0"
+      xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+      xmlns:sax="http://icl.com/saxon"
+      extension-element-prefixes="sax">
+
+  <xsl:template match="//foo">
+    <sax:output href="0wn3d.txt" method="text">
+      <xsl:value-of select="'0wn3d via xml2 extension and libxslt'"/>
+      <xsl:apply-templates/>
+    </sax:output>
+  </xsl:template>
+</xsl:stylesheet>$$);
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