+++ /dev/null
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-/* config-loader-libxml.c libxml2 XML loader
- *
- * Copyright (C) 2003 Red Hat, Inc.
- *
- * Licensed under the Academic Free License version 2.1
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include <config.h>
-#include "config-parser.h"
-#include <dbus/dbus-internals.h>
-#include <libxml/xmlreader.h>
-#include <libxml/parser.h>
-#include <libxml/globals.h>
-#include <libxml/xmlmemory.h>
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#include <string.h>
-
-/* About the error handling:
- * - setup a "structured" error handler that catches structural
- * errors and some oom errors
- * - assume that a libxml function returning an error code means
- * out-of-memory
- */
-#define _DBUS_MAYBE_SET_OOM(e) (dbus_error_is_set(e) ? (void)0 : _DBUS_SET_OOM(e))
-
-
-static dbus_bool_t
-xml_text_start_element (BusConfigParser *parser,
- xmlTextReader *reader,
- DBusError *error)
-{
- const char *name;
- int n_attributes;
- const char **attribute_names, **attribute_values;
- dbus_bool_t ret;
- int i, status, is_empty;
-
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
-
- ret = FALSE;
- attribute_names = NULL;
- attribute_values = NULL;
-
- name = xmlTextReaderConstName (reader);
- n_attributes = xmlTextReaderAttributeCount (reader);
- is_empty = xmlTextReaderIsEmptyElement (reader);
-
- if (name == NULL || n_attributes < 0 || is_empty == -1)
- {
- _DBUS_MAYBE_SET_OOM (error);
- goto out;
- }
-
- attribute_names = dbus_new0 (const char *, n_attributes + 1);
- attribute_values = dbus_new0 (const char *, n_attributes + 1);
- if (attribute_names == NULL || attribute_values == NULL)
- {
- _DBUS_SET_OOM (error);
- goto out;
- }
- i = 0;
- while ((status = xmlTextReaderMoveToNextAttribute (reader)) == 1)
- {
- _dbus_assert (i < n_attributes);
- attribute_names[i] = xmlTextReaderConstName (reader);
- attribute_values[i] = xmlTextReaderConstValue (reader);
- if (attribute_names[i] == NULL || attribute_values[i] == NULL)
- {
- _DBUS_MAYBE_SET_OOM (error);
- goto out;
- }
- i++;
- }
- if (status == -1)
- {
- _DBUS_MAYBE_SET_OOM (error);
- goto out;
- }
- _dbus_assert (i == n_attributes);
-
- ret = bus_config_parser_start_element (parser, name,
- attribute_names, attribute_values,
- error);
- if (ret && is_empty == 1)
- ret = bus_config_parser_end_element (parser, name, error);
-
- out:
- dbus_free (attribute_names);
- dbus_free (attribute_values);
-
- return ret;
-}
-
-static void xml_shut_up (void *ctx, const char *msg, ...)
-{
- return;
-}
-
-static void
-xml_text_reader_error (void *arg, xmlErrorPtr xml_error)
-{
- DBusError *error = arg;
-
-#if 0
- _dbus_verbose ("XML_ERROR level=%d, domain=%d, code=%d, msg=%s\n",
- xml_error->level, xml_error->domain,
- xml_error->code, xml_error->message);
-#endif
-
- if (!dbus_error_is_set (error))
- {
- if (xml_error->code == XML_ERR_NO_MEMORY)
- _DBUS_SET_OOM (error);
- else if (xml_error->level == XML_ERR_ERROR ||
- xml_error->level == XML_ERR_FATAL)
- dbus_set_error (error, DBUS_ERROR_FAILED,
- "Error loading config file: '%s'",
- xml_error->message);
- }
-}
-
-
-BusConfigParser*
-bus_config_load (const DBusString *file,
- dbus_bool_t is_toplevel,
- const BusConfigParser *parent,
- DBusError *error)
-
-{
- xmlTextReader *reader;
- BusConfigParser *parser;
- DBusString dirname, data;
- DBusError tmp_error;
- int ret;
-
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
-
- parser = NULL;
- reader = NULL;
-
- if (!_dbus_string_init (&dirname))
- {
- _DBUS_SET_OOM (error);
- return NULL;
- }
-
- if (!_dbus_string_init (&data))
- {
- _DBUS_SET_OOM (error);
- _dbus_string_free (&dirname);
- return NULL;
- }
-
- if (is_toplevel)
- {
- /* xmlMemSetup only fails if one of the functions is NULL */
- xmlMemSetup (dbus_free,
- dbus_malloc,
- dbus_realloc,
- _dbus_strdup);
- xmlInitParser ();
- xmlSetGenericErrorFunc (NULL, xml_shut_up);
- }
-
- if (!_dbus_string_get_dirname (file, &dirname))
- {
- _DBUS_SET_OOM (error);
- goto failed;
- }
-
- parser = bus_config_parser_new (&dirname, is_toplevel, parent);
- if (parser == NULL)
- {
- _DBUS_SET_OOM (error);
- goto failed;
- }
-
- if (!_dbus_file_get_contents (&data, file, error))
- goto failed;
-
- reader = xmlReaderForMemory (_dbus_string_get_const_data (&data),
- _dbus_string_get_length (&data),
- NULL, NULL, 0);
- if (reader == NULL)
- {
- _DBUS_SET_OOM (error);
- goto failed;
- }
-
- xmlTextReaderSetParserProp (reader, XML_PARSER_SUBST_ENTITIES, 1);
-
- dbus_error_init (&tmp_error);
- xmlTextReaderSetStructuredErrorHandler (reader, xml_text_reader_error, &tmp_error);
-
- while ((ret = xmlTextReaderRead (reader)) == 1)
- {
- int type;
-
- if (dbus_error_is_set (&tmp_error))
- goto reader_out;
-
- type = xmlTextReaderNodeType (reader);
- if (type == -1)
- {
- _DBUS_MAYBE_SET_OOM (&tmp_error);
- goto reader_out;
- }
-
- switch ((xmlReaderTypes) type) {
- case XML_READER_TYPE_ELEMENT:
- xml_text_start_element (parser, reader, &tmp_error);
- break;
-
- case XML_READER_TYPE_TEXT:
- case XML_READER_TYPE_CDATA:
- {
- DBusString content;
- const char *value;
- value = xmlTextReaderConstValue (reader);
- if (value != NULL)
- {
- _dbus_string_init_const (&content, value);
- bus_config_parser_content (parser, &content, &tmp_error);
- }
- else
- _DBUS_MAYBE_SET_OOM (&tmp_error);
- break;
- }
-
- case XML_READER_TYPE_DOCUMENT_TYPE:
- {
- const char *name;
- name = xmlTextReaderConstName (reader);
- if (name != NULL)
- bus_config_parser_check_doctype (parser, name, &tmp_error);
- else
- _DBUS_MAYBE_SET_OOM (&tmp_error);
- break;
- }
-
- case XML_READER_TYPE_END_ELEMENT:
- {
- const char *name;
- name = xmlTextReaderConstName (reader);
- if (name != NULL)
- bus_config_parser_end_element (parser, name, &tmp_error);
- else
- _DBUS_MAYBE_SET_OOM (&tmp_error);
- break;
- }
-
- case XML_READER_TYPE_DOCUMENT:
- case XML_READER_TYPE_DOCUMENT_FRAGMENT:
- case XML_READER_TYPE_PROCESSING_INSTRUCTION:
- case XML_READER_TYPE_COMMENT:
- case XML_READER_TYPE_ENTITY:
- case XML_READER_TYPE_NOTATION:
- case XML_READER_TYPE_WHITESPACE:
- case XML_READER_TYPE_SIGNIFICANT_WHITESPACE:
- case XML_READER_TYPE_END_ENTITY:
- case XML_READER_TYPE_XML_DECLARATION:
- /* nothing to do, just read on */
- break;
-
- case XML_READER_TYPE_NONE:
- case XML_READER_TYPE_ATTRIBUTE:
- case XML_READER_TYPE_ENTITY_REFERENCE:
- _dbus_assert_not_reached ("unexpected nodes in XML");
- }
-
- if (dbus_error_is_set (&tmp_error))
- goto reader_out;
- }
-
- if (ret == -1)
- _DBUS_MAYBE_SET_OOM (&tmp_error);
-
- reader_out:
- xmlFreeTextReader (reader);
- reader = NULL;
- if (dbus_error_is_set (&tmp_error))
- {
- dbus_move_error (&tmp_error, error);
- goto failed;
- }
-
- if (!bus_config_parser_finished (parser, error))
- goto failed;
- _dbus_string_free (&dirname);
- _dbus_string_free (&data);
- if (is_toplevel)
- xmlCleanupParser();
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
- return parser;
-
- failed:
- _DBUS_ASSERT_ERROR_IS_SET (error);
- _dbus_string_free (&dirname);
- _dbus_string_free (&data);
- if (is_toplevel)
- xmlCleanupParser();
- if (parser)
- bus_config_parser_unref (parser);
- _dbus_assert (reader == NULL); /* must go to reader_out first */
- return NULL;
-}
AC_ARG_ENABLE(launchd, AS_HELP_STRING([--enable-launchd],[build with launchd auto-launch support]),enable_launchd=$enableval,enable_launchd=auto)
AC_ARG_ENABLE(systemd, AS_HELP_STRING([--enable-systemd],[build with systemd at_console support]),enable_systemd=$enableval,enable_systemd=auto)
-AC_ARG_WITH(xml, AS_HELP_STRING([--with-xml=[libxml/expat]],[XML library to use (libxml may be named libxml2 on some systems)]))
AC_ARG_WITH(init-scripts, AS_HELP_STRING([--with-init-scripts=[redhat]],[Style of init scripts to install]))
AC_ARG_WITH(session-socket-dir, AS_HELP_STRING([--with-session-socket-dir=[dirname]],[Where to put sockets for the per-login-session message bus]))
AC_ARG_WITH(test-socket-dir, AS_HELP_STRING([--with-test-socket-dir=[dirname]],[Where to put sockets for make check]))
#### Sort out XML library
-# see what we have
AC_CHECK_LIB(expat, XML_ParserCreate_MM,
- [ AC_CHECK_HEADERS(expat.h, have_expat=true, have_expat=false) ],
- have_expat=false)
-
-# see what we want to use
-dbus_use_libxml=false
-dbus_use_expat=false
-if test x$with_xml = xexpat; then
- if ! $have_expat ; then
- AC_MSG_ERROR([Explicitly requested expat but expat not found])
- fi
- dbus_use_expat=true
-elif test x$with_xml = xlibxml; then
- PKG_CHECK_MODULES(LIBXML, libxml-2.0 >= 2.6.0, have_libxml=true, have_libxml=false)
- if ! $have_libxml ; then
- AC_MSG_ERROR([Explicitly requested libxml but libxml not found])
- fi
- dbus_use_libxml=true
-else
- ### expat is the default because libxml can't currently survive
- ### our brutal OOM-handling unit test setup.
- ### http://bugzilla.gnome.org/show_bug.cgi?id=109368
- if test x$have_expat = xfalse; then
- AC_MSG_ERROR([Could not find expat.h, check config.log for failed attempts])
- fi
- ### By default, only use Expat since it's tested and known to work. If you're a
- ### general-purpose OS vendor, please don't enable libxml. For embedded use
- ### if your OS is built around libxml, that's another case.
- dbus_use_expat=true
-fi
+ [ AC_CHECK_HEADERS(expat.h, [],
+ [AC_MSG_ERROR([Could not find expat.h, check config.log for failed attempts])]) ],
+ [ AC_MSG_ERROR([Explicitly requested expat but expat not found]) ])
-AM_CONDITIONAL(DBUS_USE_EXPAT, $dbus_use_expat)
-AM_CONDITIONAL(DBUS_USE_LIBXML, $dbus_use_libxml)
-
-if $dbus_use_expat; then
- XML_LIBS=-lexpat
- XML_CFLAGS=
-fi
-if $dbus_use_libxml; then
- XML_LIBS=$LIBXML_LIBS
- XML_CFLAGS=$LIBXML_CFLAGS
-fi
+XML_LIBS=-lexpat
+XML_CFLAGS=
AC_SUBST([XML_CFLAGS])
AC_SUBST([XML_LIBS])
Building XML docs: ${enable_xml_docs}
Building cache support: ${enable_userdb_cache}
Building launchd support: ${have_launchd}
- Using XML parser: ${with_xml}
Init scripts style: ${with_init_scripts}
Abstract socket names: ${ac_cv_have_abstract_sockets}
System bus socket: ${DBUS_SYSTEM_SOCKET}
if test x$enable_checks = xno; then
echo "NOTE: building without checks for arguments passed to public API makes it harder to debug apps using D-Bus, but will slightly decrease D-Bus library size and _very_ slightly improve performance."
fi
-if test x$dbus_use_libxml = xtrue; then
- echo
- echo "WARNING: You have chosen to use libxml as your xml parser however this code path is not maintained by the D-Bus developers and if it breaks you get to keep the pieces. If you have selected this option in err please reconfigure with expat (e.g. --with-xml=expat)."
-fi
if test "x$DBUS_HAVE_INT64" = x0; then
AC_MSG_WARN([You have disabled 64-bit integers via --without-64-bit.
projects / platform / upstream / dbus.git / commitdiff