On Mon, 2009-03-09 at 15:04 -0300, Johan Hedberg wrote: <snip> > 2. Have the new function start like: > { > sdp_data_t *d; > > d = sdp_data_alloc_with_length(dtd, value, len); > if (!d) > return -1; FWIW, I just copied the coding style from the function 5 lines above it. Patches attached.
>From 3922bbb56cc5e3a8602c578a793db6aee5537e94 Mon Sep 17 00:00:00 2001 From: Bastien Nocera <hadess@xxxxxxxxxx> Date: Fri, 13 Mar 2009 15:27:33 +0000 Subject: [PATCH] Fix sdp_copy_record truncating strings with NULLs When a record's attribute contains embed NULLs in the string, sdp_data_alloc() falls back to doing an strlen() on the string, instead of taking its existing length into account. --- lib/sdp.c | 30 ++++++++++++++++++++++++++---- 1 files changed, 26 insertions(+), 4 deletions(-) diff --git a/lib/sdp.c b/lib/sdp.c index 896c5eb..18e6450 100644 --- a/lib/sdp.c +++ b/lib/sdp.c @@ -97,6 +97,8 @@ static uint128_t bluetooth_base_uuid = { #define SDP_MAX_ATTR_LEN 65535 static sdp_data_t *sdp_copy_seq(sdp_data_t *data); +static int sdp_attr_add_new_with_length(sdp_record_t *rec, + uint16_t attr, uint8_t dtd, const void *value, uint32_t len); /* Message structure. */ struct tupla { @@ -1381,7 +1383,7 @@ static void sdp_copy_pattern(void *value, void *udata) sdp_pattern_add_uuid(rec, uuid); } -static void *sdp_data_value(sdp_data_t *data) +static void *sdp_data_value(sdp_data_t *data, uint32_t *len) { void *val = NULL; @@ -1435,6 +1437,8 @@ static void *sdp_data_value(sdp_data_t *data) case SDP_URL_STR32: case SDP_TEXT_STR32: val = data->val.str; + if (len) + *len = data->unitSize - 1; break; case SDP_ALT8: case SDP_ALT16: @@ -1457,7 +1461,7 @@ static sdp_data_t *sdp_copy_seq(sdp_data_t *data) sdp_data_t *datatmp; void *value; - value = sdp_data_value(tmp); + value = sdp_data_value(tmp, NULL); datatmp = sdp_data_alloc_with_length(tmp->dtd, value, tmp->unitSize); @@ -1477,10 +1481,15 @@ static void sdp_copy_attrlist(void *value, void *udata) sdp_data_t *data = value; sdp_record_t *rec = udata; void *val; + uint32_t len = 0; - val = sdp_data_value(data); + val = sdp_data_value(data, &len); - sdp_attr_add_new(rec, data->attrId, data->dtd, val); + if (!len) + sdp_attr_add_new(rec, data->attrId, data->dtd, val); + else + sdp_attr_add_new_with_length(rec, data->attrId, + data->dtd, val, len); } sdp_record_t *sdp_copy_record(sdp_record_t *rec) @@ -2068,6 +2077,19 @@ int sdp_attr_add_new(sdp_record_t *rec, uint16_t attr, uint8_t dtd, return -1; } +static int sdp_attr_add_new_with_length(sdp_record_t *rec, + uint16_t attr, uint8_t dtd, const void *value, uint32_t len) +{ + sdp_data_t *d; + + d = sdp_data_alloc_with_length(dtd, value, len); + if (!d) + return -1; + + sdp_attr_replace(rec, attr, d); + return 0; +} + /* * Set the information attributes of the service * pointed to by rec. The attributes are -- 1.6.0.6
>From b974124d58e2cf382b1c258c94c2fd92258cb25f Mon Sep 17 00:00:00 2001 From: Bastien Nocera <hadess@xxxxxxxxxx> Date: Fri, 13 Mar 2009 15:30:21 +0000 Subject: [PATCH] Don't truncate strings with embedded NULLs Instead, replace the NULLs by spaces so we don't lose data when converting a device's SDP record to XML. --- common/sdp-xml.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff --git a/common/sdp-xml.c b/common/sdp-xml.c index 0403dcd..608de76 100644 --- a/common/sdp-xml.c +++ b/common/sdp-xml.c @@ -239,9 +239,8 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level, hex = 0; for (i = 0; i < length; i++) { - if (value->val.str[i] == '\0') - break; - if (!isprint(value->val.str[i])) { + if (!isprint(value->val.str[i]) && + value->val.str[i] != '\0') { hex = 1; break; } @@ -304,7 +303,9 @@ static void convert_raw_data_to_xml(sdp_data_t *value, int indent_level, strBuf[j++] = 'o'; strBuf[j++] = 't'; } - else { + else if (value->val.str[i] == '\0') { + strBuf[j++] = ' '; + } else { strBuf[j++] = value->val.str[i]; } } -- 1.6.0.6
>From 783aa6f8de6f17a611f8b74288bd1617a9630d77 Mon Sep 17 00:00:00 2001 From: Bastien Nocera <hadess@xxxxxxxxxx> Date: Fri, 13 Mar 2009 15:34:57 +0000 Subject: [PATCH] Port CUPS discovery to BlueZ 4.x Adapt CUPS printer discovery to the BlueZ 4.x API. --- cups/main.c | 437 ++++++++++++++++++++++++++++++++++------------------------ 1 files changed, 256 insertions(+), 181 deletions(-) diff --git a/cups/main.c b/cups/main.c index d8b899e..9b102c8 100644 --- a/cups/main.c +++ b/cups/main.c @@ -33,6 +33,7 @@ #include <string.h> #include <signal.h> #include <sys/socket.h> +#include <glib.h> #include <bluetooth/bluetooth.h> #include <bluetooth/sdp.h> @@ -42,8 +43,6 @@ #include "cups.h" -#define PRINTER_SERVICE_CLASS_NAME "printer" - struct cups_device { char *bdaddr; char *name; @@ -53,53 +52,87 @@ struct cups_device { static GSList *device_list = NULL; static GMainLoop *loop = NULL; static DBusConnection *conn = NULL; +static gboolean doing_disco = FALSE; #define ATTRID_1284ID 0x0300 -static sdp_record_t *sdp_xml_parse_record(const char *data, int size) -{ - return NULL; -} +struct context_data { + gboolean found; + char *id; +}; -static char *parse_xml_sdp(const char *xml) +static void element_start(GMarkupParseContext *context, + const gchar *element_name, const gchar **attribute_names, + const gchar **attribute_values, gpointer user_data, GError **err) { - sdp_record_t *sdp_record; - sdp_list_t *l; - char *str = NULL; + struct context_data *ctx_data = user_data; - sdp_record = sdp_xml_parse_record(xml, strlen(xml)); - if (sdp_record == NULL) - return NULL; + if (!strcmp(element_name, "record")) + return; - for (l = sdp_record->attrlist; l != NULL; l = l->next) { - sdp_data_t *data; + if (!strcmp(element_name, "attribute")) { + int i; + for (i = 0; attribute_names[i]; i++) { + if (!strcmp(attribute_names[i], "id")) { + if (strtol(attribute_values[i], 0, 0) == ATTRID_1284ID) + ctx_data->found = TRUE; + break; + } + } + return; + } - data = (sdp_data_t *) l->data; - if (data->attrId != ATTRID_1284ID) - continue; - /* Ignore the length, it's null terminated */ - str = g_strdup(data->val.str + 2); - break; + if (ctx_data->found && !strcmp(element_name, "text")) { + int i; + for (i = 0; attribute_names[i]; i++) { + if (!strcmp(attribute_names[i], "value")) { + ctx_data->id = g_strdup(attribute_values[i] + 2); + ctx_data->found = FALSE; + } + } } - sdp_record_free(sdp_record); +} + +static GMarkupParser parser = { + element_start, NULL, NULL, NULL, NULL +}; - return str; +static char *sdp_xml_parse_record(const char *data) +{ + GMarkupParseContext *ctx; + struct context_data ctx_data; + int size; + + size = strlen(data); + ctx_data.found = FALSE; + ctx_data.id = NULL; + ctx = g_markup_parse_context_new(&parser, 0, &ctx_data, NULL); + + if (g_markup_parse_context_parse(ctx, data, size, NULL) == FALSE) { + g_markup_parse_context_free(ctx); + g_free(ctx_data.id); + return NULL; + } + + g_markup_parse_context_free(ctx); + + return ctx_data.id; } -static char *device_get_ieee1284_id(const char *adapter, const char *bdaddr) +static char *device_get_ieee1284_id(const char *adapter, const char *device) { - guint service_handle; DBusMessage *message, *reply; - DBusMessageIter iter, reply_iter, iter_array; + DBusMessageIter iter, reply_iter; + DBusMessageIter reply_iter_entry; const char *hcr_print = "00001126-0000-1000-8000-00805f9b34fb"; - char *xml, *id; + const char *xml; + char *id; /* Look for the service handle of the HCRP service */ - message = dbus_message_new_method_call("org.bluez", adapter, - "org.bluez.Adapter", - "GetRemoteServiceHandles"); + message = dbus_message_new_method_call("org.bluez", device, + "org.bluez.Device", + "DiscoverServices"); dbus_message_iter_init_append(message, &iter); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &hcr_print); reply = dbus_connection_send_with_reply_and_block(conn, @@ -111,40 +144,41 @@ static char *device_get_ieee1284_id(const char *adapter, const char *bdaddr) return NULL; dbus_message_iter_init(reply, &reply_iter); + if (dbus_message_iter_get_arg_type(&reply_iter) != DBUS_TYPE_ARRAY) { dbus_message_unref(reply); - return NULL; - } - - /* Hopefully we only get one handle, or take a punt */ - dbus_message_iter_recurse(&reply_iter, &iter_array); - while (dbus_message_iter_get_arg_type(&iter_array) == DBUS_TYPE_UINT32) { - dbus_message_iter_get_basic(&iter_array, &service_handle); - dbus_message_iter_next(&iter_array); + return FALSE; } - dbus_message_unref(reply); + dbus_message_iter_recurse(&reply_iter, &reply_iter_entry); - /* Now get the XML for the HCRP service record */ - message = dbus_message_new_method_call("org.bluez", adapter, - "org.bluez.Adapter", - "GetRemoteServiceRecordAsXML"); - dbus_message_iter_init_append(message, &iter); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_UINT32, &service_handle); + /* Hopefully we only get one handle, or take a punt */ + while (dbus_message_iter_get_arg_type(&reply_iter_entry) == DBUS_TYPE_DICT_ENTRY) { + guint32 key; + DBusMessageIter dict_entry; - reply = dbus_connection_send_with_reply_and_block(conn, - message, -1, NULL); + dbus_message_iter_recurse(&reply_iter_entry, &dict_entry); - dbus_message_unref(message); + /* Key ? */ + dbus_message_iter_get_basic(&dict_entry, &key); + if (!key) { + dbus_message_iter_next(&reply_iter_entry); + continue; + } - if (!reply) - return NULL; + /* Try to get the value */ + if (!dbus_message_iter_next(&dict_entry)) { + dbus_message_iter_next(&reply_iter_entry); + continue; + } - dbus_message_iter_init(reply, &reply_iter); - dbus_message_iter_get_basic(&reply_iter, &xml); + dbus_message_iter_get_basic(&dict_entry, &xml); - id = parse_xml_sdp(xml); + id = sdp_xml_parse_record(xml); + if (id != NULL) + break; + dbus_message_iter_next(&reply_iter_entry); + } dbus_message_unref(reply); @@ -161,8 +195,12 @@ static void add_device_to_list(const char *name, const char *bdaddr, const char device = (struct cups_device *) l->data; if (strcmp(device->bdaddr, bdaddr) == 0) { - g_free(device->name); - device->name = g_strdup(name); + if (device->name != name) { + g_free(device->name); + device->name = g_strdup(name); + } + g_free(device->id); + device->id = g_strdup(id); return; } } @@ -176,25 +214,12 @@ static void add_device_to_list(const char *name, const char *bdaddr, const char device_list = g_slist_prepend(device_list, device); } -static char *escape_name(const char *str, char orig, char dest) -{ - char *ret, *s; - - ret = g_strdup(str); - while ((s = strchr(ret, orig)) != NULL) - s[0] = dest; - return ret; -} - static void print_printer_details(const char *name, const char *bdaddr, const char *id) { char *uri, *escaped; - guint len; - escaped = escape_name(name, '\"', '\''); - len = strlen("bluetooth://") + 12 + 1; - uri = g_malloc(len); - snprintf(uri, len, "bluetooth://%c%c%c%c%c%c%c%c%c%c%c%c", + escaped = g_strdelimit(g_strdup(name), "\"", '\''); + uri = g_strdup_printf("bluetooth://%c%c%c%c%c%c%c%c%c%c%c%c", bdaddr[0], bdaddr[1], bdaddr[3], bdaddr[4], bdaddr[6], bdaddr[7], @@ -205,53 +230,78 @@ static void print_printer_details(const char *name, const char *bdaddr, const ch if (id != NULL) printf(" \"%s\"\n", id); else - printf ("\n"); + printf("\n"); g_free(escaped); g_free(uri); } -static gboolean device_is_printer(const char *adapter, const char *bdaddr) +static gboolean parse_device_properties(DBusMessageIter *reply_iter, char **name, char **bdaddr) { - char *class; - DBusMessage *message, *reply; - DBusMessageIter iter, reply_iter; + guint32 class = 0; + DBusMessageIter reply_iter_entry; - message = dbus_message_new_method_call("org.bluez", adapter, - "org.bluez.Adapter", - "GetRemoteMinorClass"); - dbus_message_iter_init_append(message, &iter); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); + if (dbus_message_iter_get_arg_type(reply_iter) != DBUS_TYPE_ARRAY) + return FALSE; - reply = dbus_connection_send_with_reply_and_block(conn, - message, -1, NULL); + dbus_message_iter_recurse(reply_iter, &reply_iter_entry); - dbus_message_unref(message); + while (dbus_message_iter_get_arg_type(&reply_iter_entry) == DBUS_TYPE_DICT_ENTRY) { + const char *key; + DBusMessageIter dict_entry, iter_dict_val; - if (!reply) - return FALSE; + dbus_message_iter_recurse(&reply_iter_entry, &dict_entry); - dbus_message_iter_init(reply, &reply_iter); - dbus_message_iter_get_basic(&reply_iter, &class); + /* Key == Class ? */ + dbus_message_iter_get_basic(&dict_entry, &key); + if (!key) { + dbus_message_iter_next(&reply_iter_entry); + continue; + } - if (class != NULL && strcmp(class, PRINTER_SERVICE_CLASS_NAME) == 0) { - dbus_message_unref(reply); - return TRUE; + if (strcmp(key, "Class") != 0 && + strcmp(key, "Alias") != 0 && + strcmp(key, "Address") != 0) { + dbus_message_iter_next(&reply_iter_entry); + continue; + } + + /* Try to get the value */ + if (!dbus_message_iter_next(&dict_entry)) { + dbus_message_iter_next(&reply_iter_entry); + continue; + } + dbus_message_iter_recurse(&dict_entry, &iter_dict_val); + if (strcmp(key, "Class") == 0) { + dbus_message_iter_get_basic(&iter_dict_val, &class); + } else { + const char *value; + dbus_message_iter_get_basic(&iter_dict_val, &value); + if (strcmp(key, "Alias") == 0) { + *name = g_strdup(value); + } else if (bdaddr) { + *bdaddr = g_strdup(value); + } + } + dbus_message_iter_next(&reply_iter_entry); } + if (class == 0) + return FALSE; + if (((class & 0x1f00) >> 8) == 0x06 && (class & 0x80)) + return TRUE; + return FALSE; } -static char *device_get_name(const char *adapter, const char *bdaddr) +static gboolean device_is_printer(const char *adapter, const char *device_path, char **name, char **bdaddr) { DBusMessage *message, *reply; - DBusMessageIter iter, reply_iter; - char *name; + DBusMessageIter reply_iter; + gboolean retval; - message = dbus_message_new_method_call("org.bluez", adapter, - "org.bluez.Adapter", - "GetRemoteName"); - dbus_message_iter_init_append(message, &iter); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); + message = dbus_message_new_method_call("org.bluez", device_path, + "org.bluez.Device", + "GetProperties"); reply = dbus_connection_send_with_reply_and_block(conn, message, -1, NULL); @@ -259,56 +309,78 @@ static char *device_get_name(const char *adapter, const char *bdaddr) dbus_message_unref(message); if (!reply) - return NULL; + return FALSE; dbus_message_iter_init(reply, &reply_iter); - dbus_message_iter_get_basic(&reply_iter, &name); - name = g_strdup(name); + retval = parse_device_properties(&reply_iter, name, bdaddr); + dbus_message_unref(reply); - return name; + return retval; } -static void remote_device_found(const char *adapter, const char *bdaddr, guint class, int rssi) +static void remote_device_found(const char *adapter, const char *bdaddr, const char *name) { - uint8_t major_index = (class >> 8) & 0x1F; - uint8_t minor_index; - uint8_t shift_minor = 0; - gboolean found = FALSE; - char *name, *id; - - /* Check if we have a printer - * From hcid/dbus-adapter.c minor_class_str() */ - if (major_index != 6) - return; + DBusMessage *message, *reply, *adapter_reply; + DBusMessageIter iter; + char *object_path = NULL; + char *id; - minor_index = (class >> 4) & 0x0F; - while (shift_minor < 4) { - if (((minor_index >> shift_minor) & 0x01) == 0x01) { - if (shift_minor == 3) { - found = TRUE; - break; - } - } - shift_minor++; + adapter_reply = NULL; + + if (adapter == NULL) { + message = dbus_message_new_method_call("org.bluez", "/", + "org.bluez.Manager", + "DefaultAdapter"); + + adapter_reply = dbus_connection_send_with_reply_and_block(conn, + message, -1, NULL); + + dbus_message_unref(message); + + if (dbus_message_get_args(adapter_reply, NULL, DBUS_TYPE_OBJECT_PATH, &adapter, DBUS_TYPE_INVALID) == FALSE) + return; } - if (!found) - return; + message = dbus_message_new_method_call("org.bluez", adapter, + "org.bluez.Adapter", + "FindDevice"); + dbus_message_iter_init_append(message, &iter); + dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); + + if (adapter_reply != NULL) + dbus_message_unref(adapter_reply); + + reply = dbus_connection_send_with_reply_and_block(conn, + message, -1, NULL); + + dbus_message_unref(message); + + if (!reply) { + message = dbus_message_new_method_call("org.bluez", adapter, + "org.bluez.Adapter", + "CreateDevice"); + dbus_message_iter_init_append(message, &iter); + dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &bdaddr); - name = device_get_name(adapter, bdaddr); - id = device_get_ieee1284_id(adapter, bdaddr); + reply = dbus_connection_send_with_reply_and_block(conn, + message, -1, NULL); + + dbus_message_unref(message); + + if (!reply) + return; + } else { + if (dbus_message_get_args(reply, NULL, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID) == FALSE) + return; + } + + id = device_get_ieee1284_id(adapter, object_path); add_device_to_list(name, bdaddr, id); - g_free(name); g_free(id); } -static void remote_name_updated(const char *bdaddr, const char *name) -{ - add_device_to_list(name, bdaddr, NULL); -} - static void discovery_completed(void) { GSList *l; @@ -317,7 +389,10 @@ static void discovery_completed(void) struct cups_device *device = (struct cups_device *) l->data; if (device->name == NULL) - device->name = escape_name(device->bdaddr, ':', '-'); + device->name = g_strdelimit(g_strdup(device->bdaddr), ":", '-'); + /* Give another try to getting an ID for the device */ + if (device->id == NULL) + remote_device_found(NULL, device->bdaddr, device->name); print_printer_details(device->name, device->bdaddr, device->id); g_free(device->name); g_free(device->bdaddr); @@ -356,7 +431,7 @@ static gboolean list_known_printers(const char *adapter) message = dbus_message_new_method_call ("org.bluez", adapter, "org.bluez.Adapter", - "ListRemoteDevices"); + "ListDevices"); if (message == NULL) return FALSE; @@ -376,18 +451,21 @@ static gboolean list_known_printers(const char *adapter) } dbus_message_iter_recurse(&reply_iter, &iter_array); - while (dbus_message_iter_get_arg_type(&iter_array) == DBUS_TYPE_STRING) { - char *bdaddr; + while (dbus_message_iter_get_arg_type(&iter_array) == DBUS_TYPE_OBJECT_PATH) { + const char *object_path; + char *name = NULL; + char *bdaddr = NULL; - dbus_message_iter_get_basic(&iter_array, &bdaddr); - if (device_is_printer(adapter, bdaddr)) { - char *name, *id; - name = device_get_name(adapter, bdaddr); - id = device_get_ieee1284_id(adapter, bdaddr); + dbus_message_iter_get_basic(&iter_array, &object_path); + if (device_is_printer(adapter, object_path, &name, &bdaddr)) { + char *id; + + id = device_get_ieee1284_id(adapter, object_path); add_device_to_list(name, bdaddr, id); - g_free(name); g_free(id); } + g_free(name); + g_free(bdaddr); dbus_message_iter_next(&iter_array); } @@ -398,32 +476,22 @@ static gboolean list_known_printers(const char *adapter) static DBusHandlerResult filter_func(DBusConnection *connection, DBusMessage *message, void *user_data) { - const char *adapter; - if (dbus_message_is_signal(message, "org.bluez.Adapter", - "RemoteDeviceFound")) { - char *bdaddr; - guint class; - int rssi; + "DeviceFound")) { + const char *adapter, *bdaddr; + char *name; + DBusMessageIter iter; - dbus_message_get_args(message, NULL, - DBUS_TYPE_STRING, &bdaddr, - DBUS_TYPE_UINT32, &class, - DBUS_TYPE_INT32, &rssi, - DBUS_TYPE_INVALID); - adapter = dbus_message_get_path(message); - remote_device_found(adapter, bdaddr, class, rssi); - } else if (dbus_message_is_signal(message, "org.bluez.Adapter", - "RemoteNameUpdated")) { - char *bdaddr, *name; + dbus_message_iter_init(message, &iter); + dbus_message_iter_get_basic(&iter, &bdaddr); + dbus_message_iter_next(&iter); - dbus_message_get_args(message, NULL, - DBUS_TYPE_STRING, &bdaddr, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID); - remote_name_updated(bdaddr, name); + adapter = dbus_message_get_path(message); + if (parse_device_properties(&iter, &name, NULL)) + remote_device_found(adapter, bdaddr, name); + g_free (name); } else if (dbus_message_is_signal(message, "org.bluez.Adapter", - "RemoteDeviceDisappeared")) { + "DeviceDisappeared")) { char *bdaddr; dbus_message_get_args(message, NULL, @@ -431,8 +499,21 @@ static DBusHandlerResult filter_func(DBusConnection *connection, DBusMessage *me DBUS_TYPE_INVALID); remote_device_disappeared(bdaddr); } else if (dbus_message_is_signal(message, "org.bluez.Adapter", - "DiscoveryCompleted")) { - discovery_completed(); + "PropertyChanged")) { + DBusMessageIter iter, value_iter; + const char *name; + gboolean discovering; + + dbus_message_iter_init(message, &iter); + dbus_message_iter_get_basic(&iter, &name); + dbus_message_iter_next(&iter); + dbus_message_iter_recurse(&iter, &value_iter); + dbus_message_iter_get_basic(&value_iter, &discovering); + + if (discovering == FALSE && doing_disco) { + doing_disco = FALSE; + discovery_completed(); + } } return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; @@ -452,7 +533,6 @@ static gboolean list_printers(void) DBusMessage *reply, *message; DBusMessageIter reply_iter; char *adapter, *match; - guint len; conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, NULL); if (conn == NULL) @@ -486,7 +566,7 @@ static gboolean list_printers(void) } dbus_message_iter_init(reply, &reply_iter); - if (dbus_message_iter_get_arg_type(&reply_iter) != DBUS_TYPE_STRING) { + if (dbus_message_iter_get_arg_type(&reply_iter) != DBUS_TYPE_OBJECT_PATH) { dbus_message_unref(reply); dbus_connection_unref(conn); return FALSE; @@ -508,19 +588,17 @@ static gboolean list_printers(void) "sender='org.bluez'," \ "path='%s'" - len = strlen(MATCH_FORMAT) - 2 + strlen(adapter) + 1; - match = g_malloc(len); - snprintf(match, len, "type='signal'," - "interface='org.bluez.Adapter'," - "sender='org.bluez'," - "path='%s'", - adapter); + match = g_strdup_printf(MATCH_FORMAT, adapter); dbus_bus_add_match(conn, match, &error); g_free(match); + /* Add the the recent devices */ + list_known_printers(adapter); + + doing_disco = TRUE; message = dbus_message_new_method_call("org.bluez", adapter, "org.bluez.Adapter", - "DiscoverDevicesWithoutNameResolving"); + "StartDiscovery"); if (!dbus_connection_send_with_reply(conn, message, NULL, -1)) { dbus_message_unref(message); @@ -530,9 +608,6 @@ static gboolean list_printers(void) } dbus_message_unref(message); - /* Also add the the recent devices */ - g_timeout_add(0, (GSourceFunc) list_known_printers, adapter); - loop = g_main_loop_new(NULL, TRUE); g_main_loop_run(loop); -- 1.6.0.6