--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/lxml/includes/libxslt/security.h	Sat May 02 07:14:21 2020 -0400
@@ -0,0 +1,104 @@
+/*
+ * Summary: interface for the libxslt security framework
+ * Description: the libxslt security framework allow to restrict
+ *              the access to new resources (file or URL) from
+ *              the stylesheet at runtime.
+ *
+ * Copy: See Copyright for the status of this software.
+ *
+ * Author: Daniel Veillard
+ */
+
+#ifndef __XML_XSLT_SECURITY_H__
+#define __XML_XSLT_SECURITY_H__
+
+#include <libxml/tree.h>
+#include "xsltexports.h"
+#include "xsltInternals.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * xsltSecurityPref:
+ *
+ * structure to indicate the preferences for security in the XSLT
+ * transformation.
+ */
+typedef struct _xsltSecurityPrefs xsltSecurityPrefs;
+typedef xsltSecurityPrefs *xsltSecurityPrefsPtr;
+
+/**
+ * xsltSecurityOption:
+ *
+ * the set of option that can be configured
+ */
+typedef enum {
+    XSLT_SECPREF_READ_FILE = 1,
+    XSLT_SECPREF_WRITE_FILE,
+    XSLT_SECPREF_CREATE_DIRECTORY,
+    XSLT_SECPREF_READ_NETWORK,
+    XSLT_SECPREF_WRITE_NETWORK
+} xsltSecurityOption;
+
+/**
+ * xsltSecurityCheck:
+ *
+ * User provided function to check the value of a string like a file
+ * path or an URL ...
+ */
+typedef int (*xsltSecurityCheck)	(xsltSecurityPrefsPtr sec,
+					 xsltTransformContextPtr ctxt,
+					 const char *value);
+
+/*
+ * Module interfaces
+ */
+XSLTPUBFUN xsltSecurityPrefsPtr XSLTCALL
+		    xsltNewSecurityPrefs	(void);
+XSLTPUBFUN void XSLTCALL
+		    xsltFreeSecurityPrefs	(xsltSecurityPrefsPtr sec);
+XSLTPUBFUN int XSLTCALL
+		    xsltSetSecurityPrefs	(xsltSecurityPrefsPtr sec,
+						 xsltSecurityOption option,
+						 xsltSecurityCheck func);
+XSLTPUBFUN xsltSecurityCheck XSLTCALL
+		    xsltGetSecurityPrefs	(xsltSecurityPrefsPtr sec,
+						 xsltSecurityOption option);
+
+XSLTPUBFUN void XSLTCALL
+		    xsltSetDefaultSecurityPrefs	(xsltSecurityPrefsPtr sec);
+XSLTPUBFUN xsltSecurityPrefsPtr XSLTCALL
+		    xsltGetDefaultSecurityPrefs	(void);
+
+XSLTPUBFUN int XSLTCALL
+		    xsltSetCtxtSecurityPrefs	(xsltSecurityPrefsPtr sec,
+						 xsltTransformContextPtr ctxt);
+
+XSLTPUBFUN int XSLTCALL
+		    xsltSecurityAllow		(xsltSecurityPrefsPtr sec,
+						 xsltTransformContextPtr ctxt,
+						 const char *value);
+XSLTPUBFUN int XSLTCALL
+		    xsltSecurityForbid		(xsltSecurityPrefsPtr sec,
+						 xsltTransformContextPtr ctxt,
+						 const char *value);
+/*
+ * internal interfaces
+ */
+XSLTPUBFUN int XSLTCALL
+		    xsltCheckWrite		(xsltSecurityPrefsPtr sec,
+						 xsltTransformContextPtr ctxt,
+						 const xmlChar *URL);
+XSLTPUBFUN int XSLTCALL
+		    xsltCheckRead		(xsltSecurityPrefsPtr sec,
+						 xsltTransformContextPtr ctxt,
+						 const xmlChar *URL);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __XML_XSLT_SECURITY_H__ */
+