Exemple #1
0
int dom_node_node_value_write(dom_object *obj, zval *newval)
{
	xmlNode *nodep = dom_object_get_node(obj);

	if (nodep == NULL) {
		php_dom_throw_error(INVALID_STATE_ERR, 0);
		return FAILURE;
	}

	/* Access to Element node is implemented as a convience method */
	switch (nodep->type) {
		case XML_ELEMENT_NODE:
		case XML_ATTRIBUTE_NODE:
			if (nodep->children) {
				node_list_unlink(nodep->children);
				php_libxml_node_free_list((xmlNodePtr) nodep->children);
				nodep->children = NULL;
			}
		case XML_TEXT_NODE:
		case XML_COMMENT_NODE:
		case XML_CDATA_SECTION_NODE:
		case XML_PI_NODE:
			{
				zend_string *str = zval_get_string(newval);
				xmlNodeSetContentLen(nodep, (xmlChar *) ZSTR_VAL(str), ZSTR_LEN(str) + 1);
				zend_string_release_ex(str, 0);
				break;
			}
		default:
			break;
	}

	return SUCCESS;
}
Exemple #2
0
static int
xmlSecEncCtxEncDataNodeWrite(xmlSecEncCtxPtr encCtx) {
    int ret;

    xmlSecAssert2(encCtx != NULL, -1);
    xmlSecAssert2(encCtx->result != NULL, -1);
    xmlSecAssert2(encCtx->encKey != NULL, -1);

    /* write encrypted data to xml (if requested) */
    if(encCtx->cipherValueNode != NULL) {
        xmlSecAssert2(xmlSecBufferGetData(encCtx->result) != NULL, -1);

        xmlNodeSetContentLen(encCtx->cipherValueNode,
                             xmlSecBufferGetData(encCtx->result),
                             xmlSecBufferGetSize(encCtx->result));
        encCtx->resultReplaced = 1;
    }

    /* update <enc:KeyInfo/> node */
    if(encCtx->keyInfoNode != NULL) {
        ret = xmlSecKeyInfoNodeWrite(encCtx->keyInfoNode, encCtx->encKey, &(encCtx->keyInfoWriteCtx));
        if(ret < 0) {
            xmlSecError(XMLSEC_ERRORS_HERE,
                        NULL,
                        "xmlSecKeyInfoNodeWrite",
                        XMLSEC_ERRORS_R_XMLSEC_FAILED,
                        XMLSEC_ERRORS_NO_MESSAGE);
            return(-1);
        }
    }

    return(0);
}
Exemple #3
0
int dom_characterdata_data_write(dom_object *obj, zval *newval)
{
	xmlNode *nodep = dom_object_get_node(obj);
	zend_string *str;

	if (nodep == NULL) {
		php_dom_throw_error(INVALID_STATE_ERR, 0);
		return FAILURE;
	}

	str = zval_get_string(newval);

	xmlNodeSetContentLen(nodep, (xmlChar *) str->val, str->len + 1);

	zend_string_release(str);
	return SUCCESS;
}
Exemple #4
0
int dom_attr_value_write(dom_object *obj, zval *newval)
{
	zend_string *str;
	xmlAttrPtr attrp = (xmlAttrPtr) dom_object_get_node(obj);

	if (attrp == NULL) {
		php_dom_throw_error(INVALID_STATE_ERR, 0);
		return FAILURE;
	}

	if (attrp->children) {
		node_list_unlink(attrp->children);
	}

	str = zval_get_string(newval);

	xmlNodeSetContentLen((xmlNodePtr) attrp, (xmlChar *) ZSTR_VAL(str), ZSTR_LEN(str) + 1);

	zend_string_release(str);
	return SUCCESS;
}
Exemple #5
0
/* {{{ proto void DOMElement::__construct(string name, [string value], [string uri]); */
PHP_METHOD(domelement, __construct)
{

	zval *id;
	xmlNodePtr nodep = NULL, oldnode = NULL;
	dom_object *intern;
	char *name, *value = NULL, *uri = NULL;
	char *localname = NULL, *prefix = NULL;
	int errorcode = 0, uri_len = 0;
	int name_len, value_len = 0, name_valid;
	xmlNsPtr nsptr = NULL;
	zend_error_handling error_handling;

	zend_replace_error_handling(EH_THROW, dom_domexception_class_entry, &error_handling TSRMLS_CC);
	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os|s!s", &id, dom_element_class_entry, &name, &name_len, &value, &value_len, &uri, &uri_len) == FAILURE) {
		zend_restore_error_handling(&error_handling TSRMLS_CC);
		return;
	}
	zend_restore_error_handling(&error_handling TSRMLS_CC);

	name_valid = xmlValidateName((xmlChar *) name, 0);
	if (name_valid != 0) {
		php_dom_throw_error(INVALID_CHARACTER_ERR, 1 TSRMLS_CC);
		RETURN_FALSE;
	}

	/* Namespace logic is separate and only when uri passed in to insure no BC breakage */
	if (uri_len > 0) {
		errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
		if (errorcode == 0) {
			nodep = xmlNewNode (NULL, (xmlChar *)localname);
			if (nodep != NULL && uri != NULL) {
				nsptr = dom_get_ns(nodep, uri, &errorcode, prefix);
				xmlSetNs(nodep, nsptr);
			}
		}
		xmlFree(localname);
		if (prefix != NULL) {
			xmlFree(prefix);
		}
		if (errorcode != 0) {
			if (nodep != NULL) {
				xmlFreeNode(nodep);
			}
			php_dom_throw_error(errorcode, 1 TSRMLS_CC);
			RETURN_FALSE;
		}
	} else {
	    /* If you don't pass a namespace uri, then you can't set a prefix */
	    localname = xmlSplitQName2((xmlChar *)name, (xmlChar **) &prefix);
	    if (prefix != NULL) {
			xmlFree(localname);
			xmlFree(prefix);
	        php_dom_throw_error(NAMESPACE_ERR, 1 TSRMLS_CC);
	        RETURN_FALSE;
	    }
		nodep = xmlNewNode(NULL, (xmlChar *) name);
	}

	if (!nodep) {
		php_dom_throw_error(INVALID_STATE_ERR, 1 TSRMLS_CC);
		RETURN_FALSE;
	}

	if (value_len > 0) {
		xmlNodeSetContentLen(nodep, (xmlChar *) value, value_len);
	}

	intern = (dom_object *)zend_object_store_get_object(id TSRMLS_CC);
	if (intern != NULL) {
		oldnode = dom_object_get_node(intern);
		if (oldnode != NULL) {
			php_libxml_node_free_resource(oldnode  TSRMLS_CC);
		}
		php_libxml_increment_node_ptr((php_libxml_node_object *)intern, nodep, (void *)intern TSRMLS_CC);
	}
}
Exemple #6
0
/* {{{ proto void DOMElement::__construct(string name, [string value], [string uri]) */
PHP_METHOD(domelement, __construct)
{

	zval *id = getThis();
	xmlNodePtr nodep = NULL, oldnode = NULL;
	dom_object *intern;
	char *name, *value = NULL, *uri = NULL;
	char *localname = NULL, *prefix = NULL;
	int errorcode = 0;
	size_t name_len, value_len = 0, uri_len = 0;
	int name_valid;
	xmlNsPtr nsptr = NULL;

	if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "s|s!s", &name, &name_len, &value, &value_len, &uri, &uri_len) == FAILURE) {
		return;
	}

	name_valid = xmlValidateName((xmlChar *) name, 0);
	if (name_valid != 0) {
		php_dom_throw_error(INVALID_CHARACTER_ERR, 1);
		RETURN_FALSE;
	}

	/* Namespace logic is separate and only when uri passed in to insure no BC breakage */
	if (uri_len > 0) {
		errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
		if (errorcode == 0) {
			nodep = xmlNewNode (NULL, (xmlChar *)localname);
			if (nodep != NULL && uri != NULL) {
				nsptr = dom_get_ns(nodep, uri, &errorcode, prefix);
				xmlSetNs(nodep, nsptr);
			}
		}
		xmlFree(localname);
		if (prefix != NULL) {
			xmlFree(prefix);
		}
		if (errorcode != 0) {
			if (nodep != NULL) {
				xmlFreeNode(nodep);
			}
			php_dom_throw_error(errorcode, 1);
			RETURN_FALSE;
		}
	} else {
	    /* If you don't pass a namespace uri, then you can't set a prefix */
	    localname = (char *) xmlSplitQName2((xmlChar *) name, (xmlChar **) &prefix);
	    if (prefix != NULL) {
			xmlFree(localname);
			xmlFree(prefix);
	        php_dom_throw_error(NAMESPACE_ERR, 1);
	        RETURN_FALSE;
	    }
		nodep = xmlNewNode(NULL, (xmlChar *) name);
	}

	if (!nodep) {
		php_dom_throw_error(INVALID_STATE_ERR, 1);
		RETURN_FALSE;
	}

	if (value_len > 0) {
		xmlNodeSetContentLen(nodep, (xmlChar *) value, value_len);
	}

	intern = Z_DOMOBJ_P(id);
	oldnode = dom_object_get_node(intern);
	if (oldnode != NULL) {
		php_libxml_node_free_resource(oldnode );
	}
	php_libxml_increment_node_ptr((php_libxml_node_object *)intern, nodep, (void *)intern);
}
bool rewrite_urls(xmlNode *n, const char *base,
		struct save_complete_entry *list)
{
	xmlNode *child;

	assert(n->type == XML_ELEMENT_NODE);

	/**
	 * We only need to consider the following cases:
	 *
	 * Attribute:      Elements:
	 *
	 * 1)   data         <object>
	 * 2)   href         <a> <area> <link>
	 * 3)   src          <script> <input> <frame> <iframe> <img>
	 * 4)   n/a          <style>
	 * 5)   n/a          any <base> tag
	 * 6)   background   any (except those above)
	 */
	if (!n->name) {
		/* ignore */
	}
	/* 1 */
	else if (strcmp((const char *) n->name, "object") == 0) {
		if (!rewrite_url(n, "data", base, list))
			return false;
	}
	/* 2 */
	else if (strcmp((const char *) n->name, "a") == 0 ||
			strcmp((const char *) n->name, "area") == 0 ||
			strcmp((const char *) n->name, "link") == 0) {
		if (!rewrite_url(n, "href", base, list))
			return false;
	}
	/* 3 */
	else if (strcmp((const char *) n->name, "frame") == 0 ||
			strcmp((const char *) n->name, "iframe") == 0 ||
			strcmp((const char *) n->name, "input") == 0 ||
			strcmp((const char *) n->name, "img") == 0 ||
			strcmp((const char *) n->name, "script") == 0) {
		if (!rewrite_url(n, "src", base, list))
			return false;
	}
	/* 4 */
	else if (strcmp((const char *) n->name, "style") == 0) {
		unsigned int len;
		xmlChar *content;

		for (child = n->children; child != 0; child = child->next) {
			char *rewritten;
			/* Get current content */
			content = xmlNodeGetContent(child);
			if (!content)
				/* unfortunately we don't know if this is
				 * due to memory exhaustion, or because
				 * there is no content for this node */
				continue;

			/* Rewrite @import rules */
			rewritten = rewrite_stylesheet_urls(
					(const char *) content,
					strlen((const char *) content),
					(int *) &len, base, list);
			xmlFree(content);
			if (!rewritten)
				return false;

			/* set new content */
			xmlNodeSetContentLen(child,
					(const xmlChar*)rewritten,
					len);
		}

		return true;
	}
	/* 5 */
	else if (strcmp((const char *) n->name, "base") == 0) {
		/* simply remove any <base> tags from the document */
		xmlUnlinkNode(n);
		xmlFreeNode(n);
		/* base tags have no content, so there's no point recursing
		 * additionally, we've just destroyed this node, so trying
		 * to recurse would result in bad things happening */
		return true;
	}
	/* 6 */
	else {
	        if (!rewrite_url(n, "background", base, list))
	                return false;
	}

	/* now recurse */
	for (child = n->children; child;) {
		/* we must extract the next child now, as if the current
		 * child is a <base> element, it will be removed from the
		 * tree (see 5, above), thus preventing extraction of the
		 * next child */
		xmlNode *next = child->next;
		if (child->type == XML_ELEMENT_NODE) {
			if (!rewrite_urls(child, base, list))
				return false;
		}
		child = next;
	}

	return true;
}