xref: /PHP-8.0/ext/xsl/xsltprocessor.c (revision c283c3ab)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | http://www.php.net/license/3_01.txt                                  |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Christian Stocker <chregu@php.net>                          |
14    |          Rob Richards <rrichards@php.net>                            |
15    +----------------------------------------------------------------------+
16 */
17 
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21 
22 #include "php.h"
23 #include "php_xsl.h"
24 #include "ext/libxml/php_libxml.h"
25 
26 /* {{{ php_xsl_xslt_string_to_xpathexpr()
27    Translates a string to a XPath Expression */
php_xsl_xslt_string_to_xpathexpr(const char * str)28 static char *php_xsl_xslt_string_to_xpathexpr(const char *str)
29 {
30 	const xmlChar *string = (const xmlChar *)str;
31 
32 	xmlChar *value;
33 	int str_len;
34 
35 	str_len = xmlStrlen(string) + 3;
36 
37 	if (xmlStrchr(string, '"')) {
38 		if (xmlStrchr(string, '\'')) {
39 			php_error_docref(NULL, E_WARNING, "Cannot create XPath expression (string contains both quote and double-quotes)");
40 			return NULL;
41 		}
42 		value = (xmlChar*) safe_emalloc (str_len, sizeof(xmlChar), 0);
43 		snprintf((char*)value, str_len, "'%s'", string);
44 	} else {
45 		value = (xmlChar*) safe_emalloc (str_len, sizeof(xmlChar), 0);
46 		snprintf((char *)value, str_len, "\"%s\"", string);
47 	}
48 	return (char *) value;
49 }
50 /* }}} */
51 
52 /* {{{ php_xsl_xslt_make_params()
53    Translates a PHP array to a libxslt parameters array */
php_xsl_xslt_make_params(HashTable * parht,int xpath_params)54 static char **php_xsl_xslt_make_params(HashTable *parht, int xpath_params)
55 {
56 
57 	int parsize;
58 	zval *value;
59 	char *xpath_expr;
60 	zend_string *string_key;
61 	char **params = NULL;
62 	int i = 0;
63 
64 	parsize = (2 * zend_hash_num_elements(parht) + 1) * sizeof(char *);
65 	params = (char **)safe_emalloc((2 * zend_hash_num_elements(parht) + 1), sizeof(char *), 0);
66 	memset((char *)params, 0, parsize);
67 
68 	ZEND_HASH_FOREACH_STR_KEY_VAL(parht, string_key, value) {
69 		ZEND_ASSERT(string_key != NULL);
70 		if (Z_TYPE_P(value) != IS_STRING) {
71 			if (!try_convert_to_string(value)) {
72 				efree(params);
73 				return NULL;
74 			}
75 		}
76 
77 		if (!xpath_params) {
78 			xpath_expr = php_xsl_xslt_string_to_xpathexpr(Z_STRVAL_P(value));
79 		} else {
80 			xpath_expr = estrndup(Z_STRVAL_P(value), Z_STRLEN_P(value));
81 		}
82 		if (xpath_expr) {
83 			params[i++] = estrndup(ZSTR_VAL(string_key), ZSTR_LEN(string_key));
84 			params[i++] = xpath_expr;
85 		}
86 	} ZEND_HASH_FOREACH_END();
87 
88 	params[i++] = NULL;
89 
90 	return params;
91 }
92 /* }}} */
93 
xsl_ext_function_php(xmlXPathParserContextPtr ctxt,int nargs,int type)94 static void xsl_ext_function_php(xmlXPathParserContextPtr ctxt, int nargs, int type) /* {{{ */
95 {
96 	xsltTransformContextPtr tctxt;
97 	zval *args = NULL;
98 	zval retval;
99 	int result, i;
100 	int error = 0;
101 	zend_fcall_info fci;
102 	zval handler;
103 	xmlXPathObjectPtr obj;
104 	char *str;
105 	xsl_object *intern;
106 	zend_string *callable = NULL;
107 
108 
109 	if (! zend_is_executing()) {
110 		xsltGenericError(xsltGenericErrorContext,
111 		"xsltExtFunctionTest: Function called from outside of PHP\n");
112 		error = 1;
113 	} else {
114 		tctxt = xsltXPathGetTransformContext(ctxt);
115 		if (tctxt == NULL) {
116 			xsltGenericError(xsltGenericErrorContext,
117 			"xsltExtFunctionTest: failed to get the transformation context\n");
118 			error = 1;
119 		} else {
120 			intern = (xsl_object*)tctxt->_private;
121 			if (intern == NULL) {
122 				xsltGenericError(xsltGenericErrorContext,
123 				"xsltExtFunctionTest: failed to get the internal object\n");
124 				error = 1;
125 			}
126 			else if (intern->registerPhpFunctions == 0) {
127 				xsltGenericError(xsltGenericErrorContext,
128 				"xsltExtFunctionTest: PHP Object did not register PHP functions\n");
129 				error = 1;
130 			}
131 		}
132 	}
133 
134 	if (error == 1) {
135 		for (i = nargs - 1; i >= 0; i--) {
136 			obj = valuePop(ctxt);
137 			if (obj) {
138 				xmlXPathFreeObject(obj);
139 			}
140 		}
141 		return;
142 	}
143 
144 	fci.param_count = nargs - 1;
145 	if (fci.param_count > 0) {
146 		args = safe_emalloc(fci.param_count, sizeof(zval), 0);
147 	}
148 	/* Reverse order to pop values off ctxt stack */
149 	for (i = nargs - 2; i >= 0; i--) {
150 		obj = valuePop(ctxt);
151 		if (obj == NULL) {
152 			ZVAL_NULL(&args[i]);
153 			continue;
154 		}
155 		switch (obj->type) {
156 			case XPATH_STRING:
157 				ZVAL_STRING(&args[i], (char *)obj->stringval);
158 				break;
159 			case XPATH_BOOLEAN:
160 				ZVAL_BOOL(&args[i],  obj->boolval);
161 				break;
162 			case XPATH_NUMBER:
163 				ZVAL_DOUBLE(&args[i], obj->floatval);
164 				break;
165 			case XPATH_NODESET:
166 				if (type == 1) {
167 					str = (char*)xmlXPathCastToString(obj);
168 					ZVAL_STRING(&args[i], str);
169 					xmlFree(str);
170 				} else if (type == 2) {
171 					int j;
172 					dom_object *domintern = (dom_object *)intern->doc;
173 					if (obj->nodesetval && obj->nodesetval->nodeNr > 0) {
174 						array_init(&args[i]);
175 						for (j = 0; j < obj->nodesetval->nodeNr; j++) {
176 							xmlNodePtr node = obj->nodesetval->nodeTab[j];
177 							zval child;
178 							/* not sure, if we need this... it's copied from xpath.c */
179 							if (node->type == XML_NAMESPACE_DECL) {
180 								xmlNsPtr curns;
181 								xmlNodePtr nsparent;
182 
183 								nsparent = node->_private;
184 								curns = xmlNewNs(NULL, node->name, NULL);
185 								if (node->children) {
186 									curns->prefix = xmlStrdup((xmlChar *)node->children);
187 								}
188 								if (node->children) {
189 									node = xmlNewDocNode(node->doc, NULL, (xmlChar *) node->children, node->name);
190 								} else {
191 									node = xmlNewDocNode(node->doc, NULL, (const xmlChar *) "xmlns", node->name);
192 								}
193 								node->type = XML_NAMESPACE_DECL;
194 								node->parent = nsparent;
195 								node->ns = curns;
196 							} else {
197 								node = xmlDocCopyNode(node, domintern->document->ptr, 1);
198 							}
199 
200 							php_dom_create_object(node, &child, domintern);
201 							add_next_index_zval(&args[i], &child);
202 						}
203 					} else {
204 						ZVAL_EMPTY_ARRAY(&args[i]);
205 					}
206 				}
207 				break;
208 			default:
209 				str = (char *) xmlXPathCastToString(obj);
210 				ZVAL_STRING(&args[i], str);
211 				xmlFree(str);
212 		}
213 		xmlXPathFreeObject(obj);
214 	}
215 
216 	fci.size = sizeof(fci);
217 	fci.named_params = NULL;
218 	if (fci.param_count > 0) {
219 		fci.params = args;
220 	} else {
221 		fci.params = NULL;
222 	}
223 
224 
225 	obj = valuePop(ctxt);
226 	if (obj == NULL || obj->stringval == NULL) {
227 		php_error_docref(NULL, E_WARNING, "Handler name must be a string");
228 		xmlXPathFreeObject(obj);
229 		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
230 		if (fci.param_count > 0) {
231 			for (i = 0; i < nargs - 1; i++) {
232 				zval_ptr_dtor(&args[i]);
233 			}
234 			efree(args);
235 		}
236 		return;
237 	}
238 	ZVAL_STRING(&handler, (char *) obj->stringval);
239 	xmlXPathFreeObject(obj);
240 
241 	ZVAL_COPY_VALUE(&fci.function_name, &handler);
242 	fci.object = NULL;
243 	fci.retval = &retval;
244 	if (!zend_make_callable(&handler, &callable)) {
245 		if (!EG(exception)) {
246 			php_error_docref(NULL, E_WARNING, "Unable to call handler %s()", ZSTR_VAL(callable));
247 		}
248 		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
249 	} else if ( intern->registerPhpFunctions == 2 && zend_hash_exists(intern->registered_phpfunctions, callable) == 0) {
250 		php_error_docref(NULL, E_WARNING, "Not allowed to call handler '%s()'", ZSTR_VAL(callable));
251 		/* Push an empty string, so that we at least have an xslt result... */
252 		valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
253 	} else {
254 		result = zend_call_function(&fci, NULL);
255 		if (result == FAILURE) {
256 			if (Z_TYPE(handler) == IS_STRING) {
257 				php_error_docref(NULL, E_WARNING, "Unable to call handler %s()", Z_STRVAL(handler));
258 				valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
259 			}
260 		/* retval is == NULL, when an exception occurred, don't report anything, because PHP itself will handle that */
261 		} else if (Z_ISUNDEF(retval)) {
262 		} else {
263 			if (Z_TYPE(retval) == IS_OBJECT && instanceof_function(Z_OBJCE(retval), dom_node_class_entry)) {
264 				xmlNode *nodep;
265 				dom_object *obj;
266 				if (intern->node_list == NULL) {
267 					intern->node_list = zend_new_array(0);
268 				}
269 				Z_ADDREF(retval);
270 				zend_hash_next_index_insert(intern->node_list, &retval);
271 				obj = Z_DOMOBJ_P(&retval);
272 				nodep = dom_object_get_node(obj);
273 				valuePush(ctxt, xmlXPathNewNodeSet(nodep));
274 			} else if (Z_TYPE(retval) == IS_TRUE || Z_TYPE(retval) == IS_FALSE) {
275 				valuePush(ctxt, xmlXPathNewBoolean(Z_TYPE(retval) == IS_TRUE));
276 			} else if (Z_TYPE(retval) == IS_OBJECT) {
277 				php_error_docref(NULL, E_WARNING, "A PHP Object cannot be converted to a XPath-string");
278 				valuePush(ctxt, xmlXPathNewString((const xmlChar *) ""));
279 			} else {
280 				convert_to_string_ex(&retval);
281 				valuePush(ctxt, xmlXPathNewString((xmlChar *) Z_STRVAL(retval)));
282 			}
283 			zval_ptr_dtor(&retval);
284 		}
285 	}
286 	zend_string_release_ex(callable, 0);
287 	zval_ptr_dtor(&handler);
288 	if (fci.param_count > 0) {
289 		for (i = 0; i < nargs - 1; i++) {
290 			zval_ptr_dtor(&args[i]);
291 		}
292 		efree(args);
293 	}
294 }
295 /* }}} */
296 
xsl_ext_function_string_php(xmlXPathParserContextPtr ctxt,int nargs)297 void xsl_ext_function_string_php(xmlXPathParserContextPtr ctxt, int nargs) /* {{{ */
298 {
299 	xsl_ext_function_php(ctxt, nargs, 1);
300 }
301 /* }}} */
302 
xsl_ext_function_object_php(xmlXPathParserContextPtr ctxt,int nargs)303 void xsl_ext_function_object_php(xmlXPathParserContextPtr ctxt, int nargs) /* {{{ */
304 {
305 	xsl_ext_function_php(ctxt, nargs, 2);
306 }
307 /* }}} */
308 
309 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#
310 Since:
311 */
PHP_METHOD(XSLTProcessor,importStylesheet)312 PHP_METHOD(XSLTProcessor, importStylesheet)
313 {
314 	zval *id, *docp = NULL;
315 	xmlDoc *doc = NULL, *newdoc = NULL;
316 	xsltStylesheetPtr sheetp, oldsheetp;
317 	xsl_object *intern;
318 	int clone_docu = 0;
319 	xmlNode *nodep = NULL;
320 	zval *cloneDocu, rv;
321 	zend_string *member;
322 
323 	id = ZEND_THIS;
324 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &docp) == FAILURE) {
325 		RETURN_THROWS();
326 	}
327 
328 	nodep = php_libxml_import_node(docp);
329 
330 	if (nodep) {
331 		doc = nodep->doc;
332 	}
333 	if (doc == NULL) {
334 		zend_argument_value_error(1, "must be a valid XML node");
335 		RETURN_THROWS();
336 	}
337 
338 	/* libxslt uses _private, so we must copy the imported
339 	stylesheet document otherwise the node proxies will be a mess */
340 	newdoc = xmlCopyDoc(doc, 1);
341 	xmlNodeSetBase((xmlNodePtr) newdoc, (xmlChar *)doc->URL);
342 	PHP_LIBXML_SANITIZE_GLOBALS(parse);
343 	xmlSubstituteEntitiesDefault(1);
344 	xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
345 
346 	sheetp = xsltParseStylesheetDoc(newdoc);
347 	PHP_LIBXML_RESTORE_GLOBALS(parse);
348 
349 	if (!sheetp) {
350 		xmlFreeDoc(newdoc);
351 		RETURN_FALSE;
352 	}
353 
354 	intern = Z_XSL_P(id);
355 
356 	member = zend_string_init("cloneDocument", sizeof("cloneDocument")-1, 0);
357 	cloneDocu = zend_std_read_property(Z_OBJ_P(id), member, BP_VAR_IS, NULL, &rv);
358 	if (Z_TYPE_P(cloneDocu) != IS_NULL) {
359 		convert_to_long(cloneDocu);
360 		clone_docu = Z_LVAL_P(cloneDocu);
361 	}
362 	zend_string_release_ex(member, 0);
363 	if (clone_docu == 0) {
364 		/* check if the stylesheet is using xsl:key, if yes, we have to clone the document _always_ before a transformation */
365 		nodep = xmlDocGetRootElement(sheetp->doc);
366 		if (nodep && (nodep = nodep->children)) {
367 			while (nodep) {
368 				if (nodep->type == XML_ELEMENT_NODE && xmlStrEqual(nodep->name, (const xmlChar *) "key") && xmlStrEqual(nodep->ns->href, XSLT_NAMESPACE)) {
369 					intern->hasKeys = 1;
370 					break;
371 				}
372 				nodep = nodep->next;
373 			}
374 		}
375 	} else {
376 		intern->hasKeys = clone_docu;
377 	}
378 
379 	if ((oldsheetp = (xsltStylesheetPtr)intern->ptr)) {
380 		/* free wrapper */
381 		if (((xsltStylesheetPtr) intern->ptr)->_private != NULL) {
382 			((xsltStylesheetPtr) intern->ptr)->_private = NULL;
383 		}
384 		xsltFreeStylesheet((xsltStylesheetPtr) intern->ptr);
385 		intern->ptr = NULL;
386 	}
387 
388 	php_xsl_set_object(id, sheetp);
389 	RETVAL_TRUE;
390 }
391 /* }}} end XSLTProcessor::importStylesheet */
392 
php_xsl_apply_stylesheet(zval * id,xsl_object * intern,xsltStylesheetPtr style,zval * docp)393 static xmlDocPtr php_xsl_apply_stylesheet(zval *id, xsl_object *intern, xsltStylesheetPtr style, zval *docp) /* {{{ */
394 {
395 	xmlDocPtr newdocp = NULL;
396 	xmlDocPtr doc = NULL;
397 	xmlNodePtr node = NULL;
398 	xsltTransformContextPtr ctxt;
399 	php_libxml_node_object *object;
400 	char **params = NULL;
401 	int clone;
402 	zval *doXInclude, rv;
403 	zend_string *member;
404 	FILE *f;
405 	int secPrefsError = 0;
406 	int secPrefsValue;
407 	xsltSecurityPrefsPtr secPrefs = NULL;
408 
409 	node = php_libxml_import_node(docp);
410 
411 	if (node) {
412 		doc = node->doc;
413 	}
414 
415 	if (doc == NULL) {
416 		zend_argument_value_error(1, "must be a valid XML node");
417 		return NULL;
418 	}
419 
420 	if (style == NULL) {
421 		zend_string *name = get_active_function_or_method_name();
422 		zend_throw_error(NULL, "%s() can only be called after a stylesheet has been imported",
423 			ZSTR_VAL(name));
424 		zend_string_release(name);
425 		return NULL;
426 	}
427 
428 	if (intern->profiling) {
429 		if (php_check_open_basedir(intern->profiling)) {
430 			f = NULL;
431 		} else {
432 			f = VCWD_FOPEN(intern->profiling, "w");
433 		}
434 	} else {
435 		f = NULL;
436 	}
437 
438 	if (intern->parameter) {
439 		params = php_xsl_xslt_make_params(intern->parameter, 0);
440 	}
441 
442 	intern->doc = emalloc(sizeof(php_libxml_node_object));
443 	memset(intern->doc, 0, sizeof(php_libxml_node_object));
444 
445 	if (intern->hasKeys == 1) {
446 		doc = xmlCopyDoc(doc, 1);
447 	} else {
448 		object = Z_LIBXML_NODE_P(docp);
449 		intern->doc->document = object->document;
450 	}
451 
452 	php_libxml_increment_doc_ref(intern->doc, doc);
453 
454 	ctxt = xsltNewTransformContext(style, doc);
455 	ctxt->_private = (void *) intern;
456 
457 	member = zend_string_init("doXInclude", sizeof("doXInclude")-1, 0);
458 	doXInclude = zend_std_read_property(Z_OBJ_P(id), member, BP_VAR_IS, NULL, &rv);
459 	if (Z_TYPE_P(doXInclude) != IS_NULL) {
460 		convert_to_long(doXInclude);
461 		ctxt->xinclude = Z_LVAL_P(doXInclude);
462 	}
463 	zend_string_release_ex(member, 0);
464 
465 	secPrefsValue = intern->securityPrefs;
466 
467 	/* if securityPrefs is set to NONE, we don't have to do any checks, but otherwise... */
468 	if (secPrefsValue != XSL_SECPREF_NONE) {
469 		secPrefs = xsltNewSecurityPrefs();
470 		if (secPrefsValue & XSL_SECPREF_READ_FILE ) {
471 			if (0 != xsltSetSecurityPrefs(secPrefs, XSLT_SECPREF_READ_FILE, xsltSecurityForbid)) {
472 				secPrefsError = 1;
473 			}
474 		}
475 		if (secPrefsValue & XSL_SECPREF_WRITE_FILE ) {
476 			if (0 != xsltSetSecurityPrefs(secPrefs, XSLT_SECPREF_WRITE_FILE, xsltSecurityForbid)) {
477 				secPrefsError = 1;
478 			}
479 		}
480 		if (secPrefsValue & XSL_SECPREF_CREATE_DIRECTORY ) {
481 			if (0 != xsltSetSecurityPrefs(secPrefs, XSLT_SECPREF_CREATE_DIRECTORY, xsltSecurityForbid)) {
482 				secPrefsError = 1;
483 			}
484 		}
485 		if (secPrefsValue & XSL_SECPREF_READ_NETWORK) {
486 			if (0 != xsltSetSecurityPrefs(secPrefs, XSLT_SECPREF_READ_NETWORK, xsltSecurityForbid)) {
487 				secPrefsError = 1;
488 			}
489 		}
490 		if (secPrefsValue & XSL_SECPREF_WRITE_NETWORK) {
491 			if (0 != xsltSetSecurityPrefs(secPrefs, XSLT_SECPREF_WRITE_NETWORK, xsltSecurityForbid)) {
492 				secPrefsError = 1;
493 			}
494 		}
495 
496 		if (0 != xsltSetCtxtSecurityPrefs(secPrefs, ctxt)) {
497 			secPrefsError = 1;
498 		}
499 	}
500 
501 	if (secPrefsError == 1) {
502 		php_error_docref(NULL, E_WARNING, "Can't set libxslt security properties, not doing transformation for security reasons");
503 	} else {
504 		newdocp = xsltApplyStylesheetUser(style, doc, (const char**) params,  NULL, f, ctxt);
505 	}
506 	if (f) {
507 		fclose(f);
508 	}
509 
510 	xsltFreeTransformContext(ctxt);
511 	if (secPrefs) {
512 		xsltFreeSecurityPrefs(secPrefs);
513 	}
514 
515 	if (intern->node_list != NULL) {
516 		zend_hash_destroy(intern->node_list);
517 		FREE_HASHTABLE(intern->node_list);
518 		intern->node_list = NULL;
519 	}
520 
521 	php_libxml_decrement_doc_ref(intern->doc);
522 	efree(intern->doc);
523 	intern->doc = NULL;
524 
525 	if (params) {
526 		clone = 0;
527 		while(params[clone]) {
528 			efree(params[clone++]);
529 		}
530 		efree(params);
531 	}
532 
533 	return newdocp;
534 
535 }
536 /* }}} */
537 
538 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#
539 Since:
540 */
PHP_METHOD(XSLTProcessor,transformToDoc)541 PHP_METHOD(XSLTProcessor, transformToDoc)
542 {
543 	zval *id, *docp = NULL;
544 	xmlDoc *newdocp;
545 	xsltStylesheetPtr sheetp;
546 	zend_string *ret_class = NULL;
547 	xsl_object *intern;
548 
549 	id = ZEND_THIS;
550 	intern = Z_XSL_P(id);
551 	sheetp = (xsltStylesheetPtr) intern->ptr;
552 
553 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "o|S!", &docp, &ret_class) == FAILURE) {
554 		RETURN_THROWS();
555 	}
556 
557 	newdocp = php_xsl_apply_stylesheet(id, intern, sheetp, docp);
558 
559 	if (newdocp) {
560 		if (ret_class) {
561 			zend_string *curclass_name;
562 			zend_class_entry *curce, *ce;
563 			php_libxml_node_object *interndoc;
564 
565 			curce = Z_OBJCE_P(docp);
566 			curclass_name = curce->name;
567 			while (curce->parent != NULL) {
568 				curce = curce->parent;
569 			}
570 
571 			ce = zend_lookup_class(ret_class);
572 			if (ce == NULL || !instanceof_function(ce, curce)) {
573 				xmlFreeDoc(newdocp);
574 				zend_argument_type_error(2, "must be a class name compatible with %s, \"%s\" given",
575 					ZSTR_VAL(curclass_name), ZSTR_VAL(ret_class)
576 				);
577 				RETURN_THROWS();
578 			}
579 
580 			object_init_ex(return_value, ce);
581 
582 			interndoc = Z_LIBXML_NODE_P(return_value);
583 			php_libxml_increment_doc_ref(interndoc, newdocp);
584 			php_libxml_increment_node_ptr(interndoc, (xmlNodePtr)newdocp, (void *)interndoc);
585 		} else {
586 			php_dom_create_object((xmlNodePtr) newdocp, return_value, NULL);
587 		}
588 	} else {
589 		RETURN_FALSE;
590 	}
591 
592 }
593 /* }}} end XSLTProcessor::transformToDoc */
594 
595 /* {{{ */
PHP_METHOD(XSLTProcessor,transformToUri)596 PHP_METHOD(XSLTProcessor, transformToUri)
597 {
598 	zval *id, *docp = NULL;
599 	xmlDoc *newdocp;
600 	xsltStylesheetPtr sheetp;
601 	int ret;
602 	size_t uri_len;
603 	char *uri;
604 	xsl_object *intern;
605 
606 	id = ZEND_THIS;
607 	intern = Z_XSL_P(id);
608 	sheetp = (xsltStylesheetPtr) intern->ptr;
609 
610 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "op", &docp, &uri, &uri_len) == FAILURE) {
611 		RETURN_THROWS();
612 	}
613 
614 	newdocp = php_xsl_apply_stylesheet(id, intern, sheetp, docp);
615 
616 	ret = -1;
617 	if (newdocp) {
618 		ret = xsltSaveResultToFilename(uri, newdocp, sheetp, 0);
619 		xmlFreeDoc(newdocp);
620 	}
621 
622 	RETVAL_LONG(ret);
623 }
624 /* }}} end XSLTProcessor::transformToUri */
625 
626 /* {{{ */
PHP_METHOD(XSLTProcessor,transformToXml)627 PHP_METHOD(XSLTProcessor, transformToXml)
628 {
629 	zval *id, *docp = NULL;
630 	xmlDoc *newdocp;
631 	xsltStylesheetPtr sheetp;
632 	int ret;
633 	xmlChar *doc_txt_ptr;
634 	int doc_txt_len;
635 	xsl_object *intern;
636 
637 	id = ZEND_THIS;
638 	intern = Z_XSL_P(id);
639 	sheetp = (xsltStylesheetPtr) intern->ptr;
640 
641 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &docp) == FAILURE) {
642 		RETURN_THROWS();
643 	}
644 
645 	newdocp = php_xsl_apply_stylesheet(id, intern, sheetp, docp);
646 
647 	ret = -1;
648 	if (newdocp) {
649 		ret = xsltSaveResultToString(&doc_txt_ptr, &doc_txt_len, newdocp, sheetp);
650 		if (doc_txt_ptr && doc_txt_len) {
651 			RETVAL_STRINGL((char *) doc_txt_ptr, doc_txt_len);
652 			xmlFree(doc_txt_ptr);
653 		}
654 		xmlFreeDoc(newdocp);
655 	}
656 
657 	if (ret < 0) {
658 		RETURN_FALSE;
659 	}
660 }
661 /* }}} end XSLTProcessor::transformToXml */
662 
663 /* {{{ */
PHP_METHOD(XSLTProcessor,setParameter)664 PHP_METHOD(XSLTProcessor, setParameter)
665 {
666 
667 	zval *id = ZEND_THIS;
668 	zval *entry, new_string;
669 	HashTable *array_value;
670 	xsl_object *intern;
671 	char *namespace;
672 	size_t namespace_len;
673 	zend_string *string_key, *name, *value = NULL;
674 
675 	ZEND_PARSE_PARAMETERS_START(2, 3)
676 		Z_PARAM_STRING(namespace, namespace_len)
677 		Z_PARAM_ARRAY_HT_OR_STR(array_value, name)
678 		Z_PARAM_OPTIONAL
679 		Z_PARAM_STR_OR_NULL(value)
680 	ZEND_PARSE_PARAMETERS_END();
681 
682 	intern = Z_XSL_P(id);
683 
684 	if (array_value) {
685 		if (value) {
686 			zend_argument_value_error(3, "must be null when argument #2 ($name) is an array");
687 			RETURN_THROWS();
688 		}
689 
690 		ZEND_HASH_FOREACH_STR_KEY_VAL(array_value, string_key, entry) {
691 			zval tmp;
692 			zend_string *str;
693 
694 			if (string_key == NULL) {
695 				zend_argument_type_error(2, "must contain only string keys");
696 				RETURN_THROWS();
697 			}
698 			str = zval_try_get_string(entry);
699 			if (UNEXPECTED(!str)) {
700 				RETURN_THROWS();
701 			}
702 			ZVAL_STR(&tmp, str);
703 			zend_hash_update(intern->parameter, string_key, &tmp);
704 		} ZEND_HASH_FOREACH_END();
705 		RETURN_TRUE;
706 	} else {
707 		if (!value) {
708 			zend_argument_value_error(3, "cannot be null when argument #2 ($name) is a string");
709 			RETURN_THROWS();
710 		}
711 
712 		ZVAL_STR_COPY(&new_string, value);
713 
714 		zend_hash_update(intern->parameter, name, &new_string);
715 		RETURN_TRUE;
716 	}
717 }
718 /* }}} end XSLTProcessor::setParameter */
719 
720 /* {{{ */
PHP_METHOD(XSLTProcessor,getParameter)721 PHP_METHOD(XSLTProcessor, getParameter)
722 {
723 	zval *id = ZEND_THIS;
724 	char *namespace;
725 	size_t namespace_len = 0;
726 	zval *value;
727 	zend_string *name;
728 	xsl_object *intern;
729 
730 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "sS", &namespace, &namespace_len, &name) == FAILURE) {
731 		RETURN_THROWS();
732 	}
733 	intern = Z_XSL_P(id);
734 	if ((value = zend_hash_find(intern->parameter, name)) != NULL) {
735 		RETURN_STR(zval_get_string(value));
736 	} else {
737 		RETURN_FALSE;
738 	}
739 }
740 /* }}} end XSLTProcessor::getParameter */
741 
742 /* {{{ */
PHP_METHOD(XSLTProcessor,removeParameter)743 PHP_METHOD(XSLTProcessor, removeParameter)
744 {
745 	zval *id = ZEND_THIS;
746 	size_t namespace_len = 0;
747 	char *namespace;
748 	zend_string *name;
749 	xsl_object *intern;
750 
751 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "sS", &namespace, &namespace_len, &name) == FAILURE) {
752 		RETURN_THROWS();
753 	}
754 	intern = Z_XSL_P(id);
755 	if (zend_hash_del(intern->parameter, name) == SUCCESS) {
756 		RETURN_TRUE;
757 	} else {
758 		RETURN_FALSE;
759 	}
760 }
761 /* }}} end XSLTProcessor::removeParameter */
762 
763 /* {{{ */
PHP_METHOD(XSLTProcessor,registerPHPFunctions)764 PHP_METHOD(XSLTProcessor, registerPHPFunctions)
765 {
766 	zval *id = ZEND_THIS;
767 	xsl_object *intern;
768 	zval *entry, new_string;
769 	zend_string *restrict_str = NULL;
770 	HashTable *restrict_ht = NULL;
771 
772 	ZEND_PARSE_PARAMETERS_START(0, 1)
773 		Z_PARAM_OPTIONAL
774 		Z_PARAM_ARRAY_HT_OR_STR_OR_NULL(restrict_ht, restrict_str)
775 	ZEND_PARSE_PARAMETERS_END();
776 
777 	intern = Z_XSL_P(id);
778 
779 	if (restrict_ht) {
780 		ZEND_HASH_FOREACH_VAL(restrict_ht, entry) {
781 			zend_string *str = zval_try_get_string(entry);
782 			if (UNEXPECTED(!str)) {
783 				return;
784 			}
785 			ZVAL_LONG(&new_string, 1);
786 			zend_hash_update(intern->registered_phpfunctions, str, &new_string);
787 			zend_string_release(str);
788 		} ZEND_HASH_FOREACH_END();
789 
790 		intern->registerPhpFunctions = 2;
791 	} else if (restrict_str) {
792 		ZVAL_LONG(&new_string, 1);
793 		zend_hash_update(intern->registered_phpfunctions, restrict_str, &new_string);
794 		intern->registerPhpFunctions = 2;
795 	} else {
796 		intern->registerPhpFunctions = 1;
797 	}
798 }
799 /* }}} end XSLTProcessor::registerPHPFunctions(); */
800 
801 /* {{{ */
PHP_METHOD(XSLTProcessor,setProfiling)802 PHP_METHOD(XSLTProcessor, setProfiling)
803 {
804 	zval *id = ZEND_THIS;
805 	xsl_object *intern;
806 	char *filename = NULL;
807 	size_t filename_len;
808 
809 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p!", &filename, &filename_len) == FAILURE) {
810 		RETURN_THROWS();
811 	}
812 
813 	intern = Z_XSL_P(id);
814 	if (intern->profiling) {
815 		efree(intern->profiling);
816 	}
817 	if (filename != NULL) {
818 		intern->profiling = estrndup(filename, filename_len);
819 	} else {
820 		intern->profiling = NULL;
821 	}
822 
823 	RETURN_TRUE;
824 }
825 /* }}} end XSLTProcessor::setProfiling */
826 
827 /* {{{ */
PHP_METHOD(XSLTProcessor,setSecurityPrefs)828 PHP_METHOD(XSLTProcessor, setSecurityPrefs)
829 {
830 	zval *id = ZEND_THIS;
831 	xsl_object *intern;
832 	zend_long securityPrefs, oldSecurityPrefs;
833 
834  	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &securityPrefs) == FAILURE) {
835 		RETURN_THROWS();
836 	}
837 	intern = Z_XSL_P(id);
838 	oldSecurityPrefs = intern->securityPrefs;
839 	intern->securityPrefs = securityPrefs;
840 	/* set this to 1 so that we know, it was set through this method. Can be removed, when we remove the ini setting */
841 	intern->securityPrefsSet = 1;
842 	RETURN_LONG(oldSecurityPrefs);
843 }
844 /* }}} end XSLTProcessor::setSecurityPrefs */
845 
846 /* {{{ */
PHP_METHOD(XSLTProcessor,getSecurityPrefs)847 PHP_METHOD(XSLTProcessor, getSecurityPrefs)
848 {
849 	zval *id = ZEND_THIS;
850 	xsl_object *intern;
851 
852 	if (zend_parse_parameters_none() == FAILURE) {
853 		RETURN_THROWS();
854 	}
855 
856 	intern = Z_XSL_P(id);
857 
858 	RETURN_LONG(intern->securityPrefs);
859 }
860 /* }}} end XSLTProcessor::getSecurityPrefs */
861 
862 /* {{{ */
PHP_METHOD(XSLTProcessor,hasExsltSupport)863 PHP_METHOD(XSLTProcessor, hasExsltSupport)
864 {
865 	if (zend_parse_parameters_none() == FAILURE) {
866 		RETURN_THROWS();
867 	}
868 
869 #ifdef HAVE_XSL_EXSLT
870 	RETURN_TRUE;
871 #else
872 	RETURN_FALSE;
873 #endif
874 }
875 /* }}} end XSLTProcessor::hasExsltSupport(); */
876