/* * DBus devices support * * Copyright 2006, 2011 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #if 0 #pragma makedep unix #endif #include "config.h" #include #include #include #include #include #include #include #ifdef SONAME_LIBDBUS_1 # include #endif #include "mountmgr.h" #define USE_WS_PREFIX #include "winsock2.h" #include "dhcpcsdk.h" #include "unixlib.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(mountmgr); #ifdef SONAME_LIBDBUS_1 #define DBUS_FUNCS \ DO_FUNC(dbus_bus_add_match); \ DO_FUNC(dbus_bus_get); \ DO_FUNC(dbus_bus_get_private); \ DO_FUNC(dbus_bus_remove_match); \ DO_FUNC(dbus_connection_add_filter); \ DO_FUNC(dbus_connection_read_write_dispatch); \ DO_FUNC(dbus_connection_remove_filter); \ DO_FUNC(dbus_connection_send_with_reply_and_block); \ DO_FUNC(dbus_error_free); \ DO_FUNC(dbus_error_init); \ DO_FUNC(dbus_error_is_set); \ DO_FUNC(dbus_free_string_array); \ DO_FUNC(dbus_message_get_args); \ DO_FUNC(dbus_message_get_interface); \ DO_FUNC(dbus_message_get_member); \ DO_FUNC(dbus_message_get_path); \ DO_FUNC(dbus_message_get_type); \ DO_FUNC(dbus_message_is_signal); \ DO_FUNC(dbus_message_iter_append_basic); \ DO_FUNC(dbus_message_iter_get_arg_type); \ DO_FUNC(dbus_message_iter_get_basic); \ DO_FUNC(dbus_message_iter_get_fixed_array); \ DO_FUNC(dbus_message_iter_init); \ DO_FUNC(dbus_message_iter_init_append); \ DO_FUNC(dbus_message_iter_next); \ DO_FUNC(dbus_message_iter_recurse); \ DO_FUNC(dbus_message_new_method_call); \ DO_FUNC(dbus_message_unref) #define DO_FUNC(f) static typeof(f) * p_##f DBUS_FUNCS; #undef DO_FUNC static int udisks_timeout = -1; static DBusConnection *connection; static inline int starts_with( const char *str, const char *prefix ) { return !strncmp( str, prefix, strlen(prefix) ); } static GUID *parse_uuid( GUID *guid, const char *str ) { /* standard uuid format */ if (strlen(str) == 36 && str[8] == '-' && str[13] == '-' && str[18] == '-' && str[23] == '-') { int i; unsigned char *out = guid->Data4; if (sscanf( str, "%x-%hx-%hx-", (int *)&guid->Data1, &guid->Data2, &guid->Data3 ) != 3) return NULL; for (i = 19; i < 36; i++) { unsigned char val; if (i == 23) continue; if (str[i] >= '0' && str[i] <= '9') val = str[i] - '0'; else if (str[i] >= 'a' && str[i] <= 'f') val = str[i] - 'a' + 10; else if (str[i] >= 'A' && str[i] <= 'F') val = str[i] - 'A' + 10; else return NULL; val <<= 4; i++; if (str[i] >= '0' && str[i] <= '9') val += str[i] - '0'; else if (str[i] >= 'a' && str[i] <= 'f') val += str[i] - 'a' + 10; else if (str[i] >= 'A' && str[i] <= 'F') val += str[i] - 'A' + 10; else return NULL; *out++ = val; } return guid; } /* check for xxxx-xxxx format (FAT serial number) */ if (strlen(str) == 9 && str[4] == '-') { memset( guid, 0, sizeof(*guid) ); if (sscanf( str, "%hx-%hx", &guid->Data2, &guid->Data3 ) == 2) return guid; } return NULL; } static BOOL load_dbus_functions(void) { void *handle; if (!(handle = dlopen( SONAME_LIBDBUS_1, RTLD_NOW ))) goto failed; #define DO_FUNC(f) if (!(p_##f = dlsym( handle, #f ))) goto failed DBUS_FUNCS; #undef DO_FUNC return TRUE; failed: WARN( "failed to load DBUS support: %s\n", dlerror() ); return FALSE; } static const char *udisks_next_dict_entry( DBusMessageIter *iter, DBusMessageIter *variant ) { DBusMessageIter sub; const char *name; if (p_dbus_message_iter_get_arg_type( iter ) != DBUS_TYPE_DICT_ENTRY) return NULL; p_dbus_message_iter_recurse( iter, &sub ); p_dbus_message_iter_next( iter ); p_dbus_message_iter_get_basic( &sub, &name ); p_dbus_message_iter_next( &sub ); p_dbus_message_iter_recurse( &sub, variant ); return name; } static enum device_type udisks_parse_media_compatibility( DBusMessageIter *iter ) { DBusMessageIter media; enum device_type drive_type = DEVICE_UNKNOWN; p_dbus_message_iter_recurse( iter, &media ); while (p_dbus_message_iter_get_arg_type( &media ) == DBUS_TYPE_STRING) { const char *media_type; p_dbus_message_iter_get_basic( &media, &media_type ); if (starts_with( media_type, "optical_dvd" )) drive_type = DEVICE_DVD; if (starts_with( media_type, "floppy" )) drive_type = DEVICE_FLOPPY; else if (starts_with( media_type, "optical_" ) && drive_type == DEVICE_UNKNOWN) drive_type = DEVICE_CDROM; p_dbus_message_iter_next( &media ); } return drive_type; } /* UDisks callback for new device */ static void udisks_new_device( const char *udi ) { static const char *dev_name = "org.freedesktop.UDisks.Device"; DBusMessage *request, *reply; DBusMessageIter iter, variant; DBusError error; const char *device = NULL; const char *mount_point = NULL; const char *type = NULL; GUID guid, *guid_ptr = NULL; int removable = FALSE; enum device_type drive_type = DEVICE_UNKNOWN; request = p_dbus_message_new_method_call( "org.freedesktop.UDisks", udi, "org.freedesktop.DBus.Properties", "GetAll" ); if (!request) return; p_dbus_message_iter_init_append( request, &iter ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dev_name ); p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( connection, request, -1, &error ); p_dbus_message_unref( request ); if (!reply) { WARN( "failed: %s\n", error.message ); p_dbus_error_free( &error ); return; } p_dbus_error_free( &error ); p_dbus_message_iter_init( reply, &iter ); if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_ARRAY) { const char *name; p_dbus_message_iter_recurse( &iter, &iter ); while ((name = udisks_next_dict_entry( &iter, &variant ))) { if (!strcmp( name, "DeviceFile" )) p_dbus_message_iter_get_basic( &variant, &device ); else if (!strcmp( name, "DeviceIsRemovable" )) p_dbus_message_iter_get_basic( &variant, &removable ); else if (!strcmp( name, "IdType" )) p_dbus_message_iter_get_basic( &variant, &type ); else if (!strcmp( name, "DriveMediaCompatibility" )) drive_type = udisks_parse_media_compatibility( &variant ); else if (!strcmp( name, "DeviceMountPaths" )) { DBusMessageIter paths; p_dbus_message_iter_recurse( &variant, &paths ); if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_STRING) p_dbus_message_iter_get_basic( &paths, &mount_point ); } else if (!strcmp( name, "IdUuid" )) { char *uuid_str; p_dbus_message_iter_get_basic( &variant, &uuid_str ); guid_ptr = parse_uuid( &guid, uuid_str ); } } } TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n", debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point), debugstr_guid(guid_ptr), debugstr_a(type), removable ); if (type) { if (!strcmp( type, "iso9660" )) { removable = TRUE; drive_type = DEVICE_CDROM; } else if (!strcmp( type, "udf" )) { removable = TRUE; drive_type = DEVICE_DVD; } } if (device) { if (removable) queue_device_op( ADD_DOS_DEVICE, udi, device, mount_point, drive_type, guid_ptr, NULL, NULL ); else if (guid_ptr) queue_device_op( ADD_VOLUME, udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr, NULL, NULL ); } p_dbus_message_unref( reply ); } /* UDisks callback for removed device */ static void udisks_removed_device( const char *udi ) { TRACE( "removed %s\n", wine_dbgstr_a(udi) ); queue_device_op( REMOVE_DEVICE, udi, NULL, NULL, 0, NULL, NULL, NULL ); } /* UDisks callback for changed device */ static void udisks_changed_device( const char *udi ) { udisks_new_device( udi ); } static BOOL udisks_enumerate_devices(void) { DBusMessage *request, *reply; DBusError error; char **paths; int i, count; request = p_dbus_message_new_method_call( "org.freedesktop.UDisks", "/org/freedesktop/UDisks", "org.freedesktop.UDisks", "EnumerateDevices" ); if (!request) return FALSE; p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( connection, request, udisks_timeout, &error ); p_dbus_message_unref( request ); if (!reply) { WARN( "failed: %s\n", error.message ); p_dbus_error_free( &error ); return FALSE; } p_dbus_error_free( &error ); if (p_dbus_message_get_args( reply, &error, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &count, DBUS_TYPE_INVALID )) { for (i = 0; i < count; i++) udisks_new_device( paths[i] ); p_dbus_free_string_array( paths ); } else WARN( "unexpected args in EnumerateDevices reply\n" ); p_dbus_message_unref( reply ); return TRUE; } /* to make things easier, UDisks2 stores strings as array of bytes instead of strings... */ static const char *udisks2_string_from_array( DBusMessageIter *iter ) { DBusMessageIter string; const char *array; int size; p_dbus_message_iter_recurse( iter, &string ); p_dbus_message_iter_get_fixed_array( &string, &array, &size ); return array; } /* find the drive entry in the dictionary and get its parameters */ static void udisks2_get_drive_info( const char *drive_name, DBusMessageIter *dict, enum device_type *drive_type, int *removable, const char **serial ) { DBusMessageIter iter, drive, variant; const char *name; p_dbus_message_iter_recurse( dict, &iter ); while ((name = udisks_next_dict_entry( &iter, &drive ))) { if (strcmp( name, drive_name )) continue; while ((name = udisks_next_dict_entry( &drive, &iter ))) { if (strcmp( name, "org.freedesktop.UDisks2.Drive" )) continue; while ((name = udisks_next_dict_entry( &iter, &variant ))) { if (!strcmp( name, "Removable" )) p_dbus_message_iter_get_basic( &variant, removable ); else if (!strcmp( name, "MediaCompatibility" )) *drive_type = udisks_parse_media_compatibility( &variant ); else if (!strcmp( name, "Id" )) p_dbus_message_iter_get_basic( &variant, serial ); } } } } static void udisks2_add_device( const char *udi, DBusMessageIter *dict, DBusMessageIter *block ) { DBusMessageIter iter, variant, paths, string; const char *device = NULL; const char *mount_point = NULL; const char *type = NULL; const char *drive = NULL; const char *id = NULL; GUID guid, *guid_ptr = NULL; const char *iface, *name; int removable = FALSE; enum device_type drive_type = DEVICE_UNKNOWN; while ((iface = udisks_next_dict_entry( block, &iter ))) { if (!strcmp( iface, "org.freedesktop.UDisks2.Filesystem" )) { while ((name = udisks_next_dict_entry( &iter, &variant ))) { if (!strcmp( name, "MountPoints" )) { p_dbus_message_iter_recurse( &variant, &paths ); if (p_dbus_message_iter_get_arg_type( &paths ) == DBUS_TYPE_ARRAY) { p_dbus_message_iter_recurse( &variant, &string ); mount_point = udisks2_string_from_array( &string ); } } } } if (!strcmp( iface, "org.freedesktop.UDisks2.Block" )) { while ((name = udisks_next_dict_entry( &iter, &variant ))) { if (!strcmp( name, "Device" )) device = udisks2_string_from_array( &variant ); else if (!strcmp( name, "IdType" )) p_dbus_message_iter_get_basic( &variant, &type ); else if (!strcmp( name, "Drive" )) { p_dbus_message_iter_get_basic( &variant, &drive ); udisks2_get_drive_info( drive, dict, &drive_type, &removable, &id ); } else if (!strcmp( name, "IdUUID" )) { const char *uuid_str; if (p_dbus_message_iter_get_arg_type( &variant ) == DBUS_TYPE_ARRAY) uuid_str = udisks2_string_from_array( &variant ); else p_dbus_message_iter_get_basic( &variant, &uuid_str ); guid_ptr = parse_uuid( &guid, uuid_str ); } } } } TRACE( "udi %s device %s mount point %s uuid %s type %s removable %u\n", debugstr_a(udi), debugstr_a(device), debugstr_a(mount_point), debugstr_guid(guid_ptr), debugstr_a(type), removable ); if (type) { if (!strcmp( type, "iso9660" )) { removable = TRUE; drive_type = DEVICE_CDROM; } else if (!strcmp( type, "udf" )) { removable = TRUE; drive_type = DEVICE_DVD; } } if (device) { if (removable) queue_device_op( ADD_DOS_DEVICE, udi, device, mount_point, drive_type, guid_ptr, id, NULL ); else if (guid_ptr) queue_device_op( ADD_VOLUME, udi, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr, id, NULL ); } } /* UDisks2 is almost, but not quite, entirely unlike UDisks. * It would have been easy to make it backwards compatible, but where would be the fun in that? */ static BOOL udisks2_add_devices( const char *changed ) { DBusMessage *request, *reply; DBusMessageIter dict, iter, block; DBusError error; const char *udi; request = p_dbus_message_new_method_call( "org.freedesktop.UDisks2", "/org/freedesktop/UDisks2", "org.freedesktop.DBus.ObjectManager", "GetManagedObjects" ); if (!request) return FALSE; p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( connection, request, udisks_timeout, &error ); p_dbus_message_unref( request ); if (!reply) { WARN( "failed: %s\n", error.message ); p_dbus_error_free( &error ); return FALSE; } p_dbus_error_free( &error ); p_dbus_message_iter_init( reply, &dict ); if (p_dbus_message_iter_get_arg_type( &dict ) == DBUS_TYPE_ARRAY) { p_dbus_message_iter_recurse( &dict, &iter ); while ((udi = udisks_next_dict_entry( &iter, &block ))) { if (!starts_with( udi, "/org/freedesktop/UDisks2/block_devices/" )) continue; if (changed && strcmp( changed, udi )) continue; udisks2_add_device( udi, &dict, &block ); } } else WARN( "unexpected args in GetManagedObjects reply\n" ); p_dbus_message_unref( reply ); return TRUE; } static DBusHandlerResult udisks_filter( DBusConnection *ctx, DBusMessage *msg, void *user_data ) { char *path; DBusError error; p_dbus_error_init( &error ); /* udisks signals */ if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceAdded" ) && p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID )) { udisks_new_device( path ); } else if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceRemoved" ) && p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID )) { udisks_removed_device( path ); } else if (p_dbus_message_is_signal( msg, "org.freedesktop.UDisks", "DeviceChanged" ) && p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID )) { udisks_changed_device( path ); } /* udisks2 signals */ else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.ObjectManager", "InterfacesAdded" ) && p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID )) { TRACE( "added %s\n", wine_dbgstr_a(path) ); udisks2_add_devices( path ); } else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.ObjectManager", "InterfacesRemoved" ) && p_dbus_message_get_args( msg, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID )) { udisks_removed_device( path ); } else if (p_dbus_message_is_signal( msg, "org.freedesktop.DBus.Properties", "PropertiesChanged" )) { const char *udi = p_dbus_message_get_path( msg ); TRACE( "changed %s\n", wine_dbgstr_a(udi) ); udisks2_add_devices( udi ); } else TRACE( "ignoring message type=%d path=%s interface=%s method=%s\n", p_dbus_message_get_type( msg ), p_dbus_message_get_path( msg ), p_dbus_message_get_interface( msg ), p_dbus_message_get_member( msg ) ); p_dbus_error_free( &error ); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } void run_dbus_loop(void) { static const char udisks_match[] = "type='signal'," "interface='org.freedesktop.UDisks'," "sender='org.freedesktop.UDisks'"; static const char udisks2_match_interfaces[] = "type='signal'," "interface='org.freedesktop.DBus.ObjectManager'," "path='/org/freedesktop/UDisks2'"; static const char udisks2_match_properties[] = "type='signal'," "interface='org.freedesktop.DBus.Properties'"; DBusError error; if (!load_dbus_functions()) return; p_dbus_error_init( &error ); if (!(connection = p_dbus_bus_get( DBUS_BUS_SYSTEM, &error ))) { WARN( "failed to get system dbus connection: %s\n", error.message ); p_dbus_error_free( &error ); return; } /* first try UDisks2 */ p_dbus_connection_add_filter( connection, udisks_filter, NULL, NULL ); p_dbus_bus_add_match( connection, udisks2_match_interfaces, &error ); p_dbus_bus_add_match( connection, udisks2_match_properties, &error ); if (udisks2_add_devices( NULL )) goto found; p_dbus_bus_remove_match( connection, udisks2_match_interfaces, &error ); p_dbus_bus_remove_match( connection, udisks2_match_properties, &error ); /* then try UDisks */ p_dbus_bus_add_match( connection, udisks_match, &error ); if (udisks_enumerate_devices()) goto found; p_dbus_bus_remove_match( connection, udisks_match, &error ); p_dbus_connection_remove_filter( connection, udisks_filter, NULL ); found: while (p_dbus_connection_read_write_dispatch( connection, -1 )) /* nothing */ ; } #if !defined(HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H) || !defined(HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H) /* The udisks dispatch loop will block all threads using the same connection, so we'll use a private connection. Multiple threads can make methods calls at the same time on the same connection, according to the documentation. */ static DBusConnection *dhcp_connection; static DBusConnection *get_dhcp_connection(void) { if (!dhcp_connection) { DBusError error; p_dbus_error_init( &error ); if (!(dhcp_connection = p_dbus_bus_get_private( DBUS_BUS_SYSTEM, &error ))) { WARN( "failed to get system dbus connection: %s\n", error.message ); p_dbus_error_free( &error ); } } return dhcp_connection; } static DBusMessage *device_by_iface_request( const char *iface ) { DBusMessage *request, *reply; DBusMessageIter iter; DBusError error; DBusConnection *connection = get_dhcp_connection(); if (!connection) return NULL; request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager", "org.freedesktop.NetworkManager", "GetDeviceByIpIface" ); if (!request) return NULL; p_dbus_message_iter_init_append( request, &iter ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &iface ); p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( connection, request, -1, &error ); p_dbus_message_unref( request ); if (!reply) { WARN( "failed: %s\n", error.message ); p_dbus_error_free( &error ); return NULL; } p_dbus_error_free( &error ); return reply; } static DBusMessage *dhcp4_config_request( const char *iface ) { static const char *device = "org.freedesktop.NetworkManager.Device"; static const char *dhcp4_config = "Dhcp4Config"; DBusMessage *request, *reply; DBusMessageIter iter; DBusError error; const char *path = NULL; if (!(reply = device_by_iface_request( iface ))) return NULL; p_dbus_message_iter_init( reply, &iter ); if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_OBJECT_PATH) p_dbus_message_iter_get_basic( &iter, &path ); if (!path) { p_dbus_message_unref( reply ); return NULL; } request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", path, "org.freedesktop.DBus.Properties", "Get" ); p_dbus_message_unref( reply ); if (!request) return NULL; p_dbus_message_iter_init_append( request, &iter ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &device ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dhcp4_config ); p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( get_dhcp_connection(), request, -1, &error ); p_dbus_message_unref( request ); if (!reply) { WARN( "failed: %s\n", error.message ); p_dbus_error_free( &error ); return NULL; } p_dbus_error_free( &error ); return reply; } static DBusMessage *dhcp4_config_options_request( const char *unix_name ) { static const char *dhcp4_config = "org.freedesktop.NetworkManager.DHCP4Config"; static const char *options = "Options"; DBusMessage *request, *reply; DBusMessageIter iter, sub; DBusError error; const char *path = NULL; if (!(reply = dhcp4_config_request( unix_name ))) return NULL; p_dbus_message_iter_init( reply, &iter ); if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_VARIANT) { p_dbus_message_iter_recurse( &iter, &sub ); p_dbus_message_iter_get_basic( &sub, &path ); } if (!path) { p_dbus_message_unref( reply ); return NULL; } request = p_dbus_message_new_method_call( "org.freedesktop.NetworkManager", path, "org.freedesktop.DBus.Properties", "Get" ); p_dbus_message_unref( reply ); if (!request) return NULL; p_dbus_message_iter_init_append( request, &iter ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &dhcp4_config ); p_dbus_message_iter_append_basic( &iter, DBUS_TYPE_STRING, &options ); p_dbus_error_init( &error ); reply = p_dbus_connection_send_with_reply_and_block( get_dhcp_connection(), request, -1, &error ); p_dbus_message_unref( request ); if (!reply) { p_dbus_error_free( &error ); return NULL; } p_dbus_error_free( &error ); return reply; } static const char *dhcp4_config_option_next_dict_entry( DBusMessageIter *iter, DBusMessageIter *variant ) { DBusMessageIter sub; const char *name; if (p_dbus_message_iter_get_arg_type( iter ) != DBUS_TYPE_DICT_ENTRY) return NULL; p_dbus_message_iter_recurse( iter, &sub ); p_dbus_message_iter_next( iter ); p_dbus_message_iter_get_basic( &sub, &name ); p_dbus_message_iter_next( &sub ); p_dbus_message_iter_recurse( &sub, variant ); return name; } static DBusMessage *dhcp4_config_option_request( const char *unix_name, const char *option, const char **value ) { DBusMessage *reply; DBusMessageIter iter, variant; const char *name; if (!(reply = dhcp4_config_options_request( unix_name ))) return NULL; *value = NULL; p_dbus_message_iter_init( reply, &iter ); if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_VARIANT) { p_dbus_message_iter_recurse( &iter, &iter ); if (p_dbus_message_iter_get_arg_type( &iter ) == DBUS_TYPE_ARRAY) { p_dbus_message_iter_recurse( &iter, &iter ); while ((name = dhcp4_config_option_next_dict_entry( &iter, &variant ))) { if (!strcmp( name, option )) { p_dbus_message_iter_get_basic( &variant, value ); break; } } } } return reply; } static const char *map_option( unsigned option ) { switch (option) { case OPTION_SUBNET_MASK: return "subnet_mask"; case OPTION_ROUTER_ADDRESS: return "next_server"; case OPTION_HOST_NAME: return "host_name"; case OPTION_DOMAIN_NAME: return "domain_name"; case OPTION_BROADCAST_ADDRESS: return "broadcast_address"; case OPTION_MSFT_IE_PROXY: return "wpad"; default: FIXME( "unhandled option %u\n", option ); return ""; } } NTSTATUS dhcp_request( void *args ) { const struct dhcp_request_params *params = args; DBusMessage *reply; const char *value; ULONG ret = 0; params->req->offset = params->req->size = 0; *params->ret_size = 0; if (!(reply = dhcp4_config_option_request( params->unix_name, map_option(params->req->id), &value ))) return STATUS_SUCCESS; switch (params->req->id) { case OPTION_SUBNET_MASK: case OPTION_ROUTER_ADDRESS: case OPTION_BROADCAST_ADDRESS: { IN_ADDR *ptr = (IN_ADDR *)(params->buffer + params->offset); if (value && params->size >= sizeof(IN_ADDR)) { ptr->S_un.S_addr = inet_addr( value ); params->req->offset = params->offset; params->req->size = sizeof(*ptr); TRACE( "returning %08x\n", *(unsigned int*)ptr ); } ret = sizeof(*ptr); break; } case OPTION_HOST_NAME: case OPTION_DOMAIN_NAME: case OPTION_MSFT_IE_PROXY: { char *ptr = params->buffer + params->offset; int len = value ? strlen( value ) : 0; if (len && params->size >= len) { memcpy( ptr, value, len ); params->req->offset = params->offset; params->req->size = len; TRACE( "returning %s\n", debugstr_an(ptr, len) ); } ret = len; break; } default: FIXME( "option %u not supported\n", (unsigned int)params->req->id ); break; } p_dbus_message_unref( reply ); *params->ret_size = ret; return STATUS_SUCCESS; } #endif #else /* SONAME_LIBDBUS_1 */ void run_dbus_loop(void) { TRACE( "Skipping, DBUS support not compiled in\n" ); } #endif /* SONAME_LIBDBUS_1 */