path: root/redland/raptor/raptor-1.4.18.entities.patch

--- misc/raptor-1.4.18/src/raptor.h.old	2008-06-20 07:47:38.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor.h	2012-02-15 16:54:21.000000000 +0100
@@ -376,6 +376,7 @@ typedef struct {
  * @RAPTOR_FEATURE_JSON_EXTRA_DATA: JSON serializer extra top-level data
  * @RAPTOR_FEATURE_RSS_TRIPLES: Atom/RSS serializer writes extra RDF triples it finds (none, rdf-xml, atom-triples)
  * @RAPTOR_FEATURE_ATOM_ENTRY_URI: Atom entry URI.  If given, generate an Atom Entry Document with the item having the given URI, otherwise generate an Atom Feed Document with any items found.
+ * @RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES: When reading XML, load external entities.
  * @RAPTOR_FEATURE_LAST: Internal
  *
  * Raptor parser, serializer or XML writer features.
@@ -416,7 +417,8 @@ typedef enum {
   RAPTOR_FEATURE_JSON_EXTRA_DATA,
   RAPTOR_FEATURE_RSS_TRIPLES,
   RAPTOR_FEATURE_ATOM_ENTRY_URI,
-  RAPTOR_FEATURE_LAST=RAPTOR_FEATURE_ATOM_ENTRY_URI
+  RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES,
+  RAPTOR_FEATURE_LAST=RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES
 } raptor_feature;
 
 
--- misc/raptor-1.4.18/src/raptor_feature.c.old	2008-06-05 08:54:16.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_feature.c	2012-02-15 16:55:09.000000000 +0100
@@ -89,7 +89,8 @@ static const struct
   { RAPTOR_FEATURE_JSON_CALLBACK     , 6,  "jsonCallback", "JSON serializer callback" },
   { RAPTOR_FEATURE_JSON_EXTRA_DATA   , 6,  "jsonExtraData", "JSON serializer extra data" },
   { RAPTOR_FEATURE_RSS_TRIPLES       , 6,  "rssTriples", "Atom/RSS serializer writes extra RDF triples" },
-  { RAPTOR_FEATURE_ATOM_ENTRY_URI    , 6,  "atomEntryUri", "Atom serializer Entry URI" }
+  { RAPTOR_FEATURE_ATOM_ENTRY_URI    , 6,  "atomEntryUri", "Atom serializer Entry URI" },
+  { RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES, 1, "loadExternalEntities", "Load external XML entities." }
 };
 
 
--- misc/raptor-1.4.18/src/raptor_internal.h.old	2008-06-03 07:04:09.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_internal.h	2012-02-15 16:52:08.000000000 +0100
@@ -983,6 +983,14 @@ struct raptor_sax2_s {
 
   /* base URI for resolving relative URIs or xml:base URIs */
   raptor_uri* base_uri;
+
+  /* call SAX2 handlers if non-0 */
+  int enabled;
+
+  /* FEATURE: 
+   * non 0 if XML entities should be loaded
+   */
+  int feature_load_external_entities;
 };
 
 int raptor_sax2_init(void);
--- misc/raptor-1.4.18/src/raptor_libxml.c.old	2008-06-14 05:35:27.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_libxml.c	2012-02-15 16:52:08.000000000 +0100
@@ -142,18 +142,115 @@ raptor_libxml_hasExternalSubset (void* u
 
 static xmlParserInputPtr
 raptor_libxml_resolveEntity(void* user_data, 
-                            const xmlChar *publicId, const xmlChar *systemId) {
-  raptor_sax2* sax2=(raptor_sax2*)user_data;
-  return libxml2_resolveEntity(sax2->xc, publicId, systemId);
+                            const xmlChar *publicId, const xmlChar *systemId)
+{
+  raptor_sax2* sax2 = (raptor_sax2*)user_data;
+  xmlParserCtxtPtr ctxt = sax2->xc;
+  const unsigned char *uri_string = NULL;
+  xmlParserInputPtr entity_input;
+  int load_entity = 0;
+
+  if(ctxt->input)
+    uri_string = (const unsigned char *)ctxt->input->filename;
+
+  if(!uri_string)
+    uri_string = (const unsigned char *)ctxt->directory;
+
+  load_entity = sax2->feature_load_external_entities;
+
+  if(load_entity) {
+    entity_input = xmlLoadExternalEntity((const char*)uri_string,
+                                         (const char*)publicId,
+                                         ctxt);
+  } else {
+    RAPTOR_DEBUG4("Not loading entity URI %s by policy for publicId '%s' systemId '%s'\n", uri_string, publicId, systemId);
+  }
+  
+  return entity_input;
 }
 
 
 static xmlEntityPtr
-raptor_libxml_getEntity(void* user_data, const xmlChar *name) {
-  raptor_sax2* sax2=(raptor_sax2*)user_data;
-  return libxml2_getEntity(sax2->xc, name);
-}
+raptor_libxml_getEntity(void* user_data, const xmlChar *name)
+{
+  raptor_sax2* sax2 = (raptor_sax2*)user_data;
+  xmlParserCtxtPtr xc = sax2->xc;
+  xmlEntityPtr ret = NULL;
+
+  if(!xc)
+    return NULL;
+
+  if(!xc->inSubset) {
+    /* looks for hardcoded set of entity names - lt, gt etc. */
+    ret = xmlGetPredefinedEntity(name);
+    if(ret) {
+      RAPTOR_DEBUG2("Entity '%s' found in predefined set\n", name);
+      return ret;
+    }
+  }
 
+  /* This section uses xmlGetDocEntity which looks for entities in
+   * memory only, never from a file or URI 
+   */
+  if(xc->myDoc && (xc->myDoc->standalone == 1)) {
+    RAPTOR_DEBUG2("Entity '%s' document is standalone\n", name);
+    /* Document is standalone: no entities are required to interpret doc */
+    if(xc->inSubset == 2) {
+      xc->myDoc->standalone = 0;
+      ret = xmlGetDocEntity(xc->myDoc, name);
+      xc->myDoc->standalone = 1;
+    } else {
+      ret = xmlGetDocEntity(xc->myDoc, name);
+      if(!ret) {
+        xc->myDoc->standalone = 0;
+        ret = xmlGetDocEntity(xc->myDoc, name);
+        xc->myDoc->standalone = 1;
+      }
+    }
+  } else {
+    ret = xmlGetDocEntity(xc->myDoc, name);
+  }
+
+  if(ret && !ret->children &&
+    (ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
+    /* Entity is an external general parsed entity. It may be in a
+     * catalog file, user file or user URI
+     */
+    int val = 0;
+    xmlNodePtr children;
+    int load_entity = 0;
+
+    load_entity = sax2->feature_load_external_entities;
+
+    if(!load_entity) {
+      RAPTOR_DEBUG2("Not getting entity URI %s by policy\n", ret->URI);
+      children = xmlNewText((const xmlChar*)"");
+    } else {
+      /* Disable SAX2 handlers so that the SAX2 events do not all get
+       * sent to callbacks during dealing with the entity parsing.
+       */
+      sax2->enabled = 0;
+      val = xmlParseCtxtExternalEntity(xc, ret->URI, ret->ExternalID, &children);
+      sax2->enabled = 1;
+    }
+    
+    if(!val) {
+      xmlAddChildList((xmlNodePtr)ret, children);
+    } else {
+      xc->validate = 0;
+      return NULL;
+    }
+    
+    ret->owner = 1;
+
+    /* Mark this entity as having been checked - never do this again */
+    if(!ret->checked)
+      ret->checked = 1;
+  }
+
+  return ret;
+}
+  
 
 static xmlEntityPtr
 raptor_libxml_getParameterEntity(void* user_data, const xmlChar *name) {
--- misc/raptor-1.4.18/src/raptor_parse.c.old	2008-06-15 09:18:50.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_parse.c	2012-02-15 16:52:08.000000000 +0100
@@ -1294,6 +1294,7 @@ raptor_set_feature(raptor_parser *parser
     case RAPTOR_FEATURE_MICROFORMATS:
     case RAPTOR_FEATURE_HTML_LINK:
     case RAPTOR_FEATURE_WWW_TIMEOUT:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
       parser->features[(int)feature]=value;
       break;
 
@@ -1414,6 +1415,7 @@ raptor_get_feature(raptor_parser *parser
     case RAPTOR_FEATURE_MICROFORMATS:
     case RAPTOR_FEATURE_HTML_LINK:
     case RAPTOR_FEATURE_WWW_TIMEOUT:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
       result=(parser->features[(int)feature] != 0);
       break;
 
--- misc/raptor-1.4.18/src/raptor_rdfxml.c.old	2008-06-15 10:12:06.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_rdfxml.c	2012-02-15 16:52:08.000000000 +0100
@@ -1124,6 +1124,9 @@ raptor_rdfxml_parse_start(raptor_parser*
   raptor_sax2_set_feature(rdf_xml_parser->sax2, 
                           RAPTOR_FEATURE_NO_NET,
                           rdf_parser->features[RAPTOR_FEATURE_NO_NET]);
+  raptor_sax2_set_feature(rdf_xml_parser->sax2, 
+                          RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES,
+                          rdf_parser->features[RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES]);
   
   raptor_sax2_parse_start(rdf_xml_parser->sax2, uri);
 
--- misc/raptor-1.4.18/src/raptor_rss.c.old	2008-05-21 22:25:57.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_rss.c	2012-02-15 16:52:08.000000000 +0100
@@ -251,6 +251,9 @@ raptor_rss_parse_start(raptor_parser *rd
   raptor_sax2_set_feature(rss_parser->sax2, 
                           RAPTOR_FEATURE_NO_NET,
                           rdf_parser->features[RAPTOR_FEATURE_NO_NET]);
+  raptor_sax2_set_feature(rss_parser->sax2, 
+                          RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES,
+                          rdf_parser->features[RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES]);
   
   raptor_sax2_parse_start(rss_parser->sax2, uri);
 
--- misc/raptor-1.4.18/src/raptor_sax2.c.old	2008-06-15 10:12:20.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_sax2.c	2012-02-15 16:52:08.000000000 +0100
@@ -96,6 +96,8 @@ raptor_new_sax2(void* user_data, raptor_
 
   sax2->user_data=user_data;
 
+  sax2->enabled = 1;
+
   sax2->locator=error_handlers->locator;
   
   sax2->error_handlers=error_handlers;
@@ -687,6 +689,10 @@ raptor_sax2_set_feature(raptor_sax2 *sax
       sax2->feature_no_net=value;
       break;
 
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
+      sax2->feature_load_external_entities=value;
+      break;
+
     case RAPTOR_FEATURE_SCANNING:
     case RAPTOR_FEATURE_ASSUME_IS_RDF:
     case RAPTOR_FEATURE_ALLOW_NON_NS_ATTRIBUTES:
@@ -767,6 +773,9 @@ raptor_sax2_start_element(void* user_dat
   unsigned char *xml_language=NULL;
   raptor_uri *xml_base=NULL;
 
+  if(!sax2->enabled)
+    return;
+
 #ifdef RAPTOR_XML_EXPAT
 #ifdef EXPAT_UTF8_BOM_CRASH
   sax2->tokens_count++;
@@ -990,6 +999,9 @@ raptor_sax2_end_element(void* user_data,
   raptor_sax2* sax2=(raptor_sax2*)user_data;
   raptor_xml_element* xml_element;
 
+  if(!sax2->enabled)
+    return;
+
 #ifdef RAPTOR_XML_EXPAT
 #ifdef EXPAT_UTF8_BOM_CRASH
   sax2->tokens_count++;
@@ -1025,6 +1037,10 @@ void
 raptor_sax2_characters(void* user_data, const unsigned char *s, int len)
 {
   raptor_sax2* sax2=(raptor_sax2*)user_data;
+
+  if(!sax2->enabled)
+    return;
+
   if(sax2->characters_handler)
     sax2->characters_handler(sax2->user_data, sax2->current_element, s, len);
 }
@@ -1035,6 +1051,10 @@ void
 raptor_sax2_cdata(void* user_data, const unsigned char *s, int len)
 {
   raptor_sax2* sax2=(raptor_sax2*)user_data;
+
+  if(!sax2->enabled)
+    return;
+
 #ifdef RAPTOR_XML_EXPAT
 #ifdef EXPAT_UTF8_BOM_CRASH
   sax2->tokens_count++;
@@ -1051,6 +1071,10 @@ void
 raptor_sax2_comment(void* user_data, const unsigned char *s)
 {
   raptor_sax2* sax2=(raptor_sax2*)user_data;
+
+  if(!sax2->enabled)
+    return;
+
   if(sax2->comment_handler)
     sax2->comment_handler(sax2->user_data, sax2->current_element, s);
 }
@@ -1066,6 +1090,10 @@ raptor_sax2_unparsed_entity_decl(void* u
                                  const unsigned char* notationName)
 {
   raptor_sax2* sax2=(raptor_sax2*)user_data;
+
+  if(!sax2->enabled)
+    return;
+
   if(sax2->unparsed_entity_decl_handler)
     sax2->unparsed_entity_decl_handler(sax2->user_data,
                                        entityName, base, systemId, 
@@ -1082,6 +1110,10 @@ raptor_sax2_external_entity_ref(void* us
                                 const unsigned char* publicId)
 {
   raptor_sax2* sax2=(raptor_sax2*)user_data;
+
+  if(!sax2->enabled)
+    return 0;
+
   if(sax2->external_entity_ref_handler)
     return sax2->external_entity_ref_handler(sax2->user_data,
                                              context, base, systemId, publicId);
--- misc/raptor-1.4.18/src/raptor_serialize.c.old	2008-06-20 02:55:31.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_serialize.c	2012-02-15 16:52:08.000000000 +0100
@@ -859,6 +859,7 @@ raptor_serializer_set_feature(raptor_ser
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_WRITER_AUTO_INDENT:
@@ -965,6 +966,7 @@ raptor_serializer_set_feature_string(rap
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_WRITER_AUTO_INDENT:
@@ -1102,6 +1104,7 @@ raptor_serializer_get_feature(raptor_ser
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_WRITER_AUTO_INDENT:
@@ -1201,6 +1204,7 @@ raptor_serializer_get_feature_string(rap
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_WRITER_AUTO_INDENT:
--- misc/raptor-1.4.18/src/raptor_turtle_writer.c.old	2008-06-20 07:47:48.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_turtle_writer.c	2012-02-15 16:52:08.000000000 +0100
@@ -723,6 +723,7 @@ raptor_turtle_writer_set_feature(raptor_
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_RELATIVE_URIS:
@@ -836,6 +837,7 @@ raptor_turtle_writer_get_feature(raptor_
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_RELATIVE_URIS:
--- misc/raptor-1.4.18/src/raptor_xml_writer.c.old	2008-06-03 07:05:56.000000000 +0200
+++ misc/build/raptor-1.4.18/src/raptor_xml_writer.c	2012-02-15 16:52:08.000000000 +0100
@@ -906,6 +906,7 @@ raptor_xml_writer_set_feature(raptor_xml
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_RELATIVE_URIS:
@@ -1026,6 +1027,7 @@ raptor_xml_writer_get_feature(raptor_xml
 
     /* Shared */
     case RAPTOR_FEATURE_NO_NET:
+    case RAPTOR_FEATURE_LOAD_EXTERNAL_ENTITIES:
 
     /* XML writer features */
     case RAPTOR_FEATURE_RELATIVE_URIS: