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spa: bluez: telephony: fix string leaks

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`dbus_connection_register_object_path()` does not take ownership of the
path passed to it, so currently the callers `telephony_{ag,call}_register()`
leak a copy of the path string. Fix that by not making an unnecessary copy.

Fixes: b28399ac57 ("bluez5: add telephony D-Bus service implementation")
This commit is contained in:
Barnabás Pőcze 2025-11-03 22:36:31 +01:00 • committed by Wim Taymans
parent 963d10f1ac
commit 9a0053a501
1 changed files with 15 additions and 15 deletions
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30
spa/plugins/bluez5/telephony.c
View file

@ -1148,20 +1148,20 @@ int telephony_ag_register(struct spa_bt_telephony_ag *ag)
{
struct agimpl *agimpl = SPA_CONTAINER_OF(ag, struct agimpl, this);
struct impl *impl = SPA_CONTAINER_OF(agimpl->this.telephony, struct impl, this);
char *path;
static const DBusObjectPathVTable vtable = {
.message_function = ag_handler,
};
path = spa_aprintf (PW_TELEPHONY_OBJECT_PATH "/ag%d", agimpl->this.id);
spa_autofree char *path = spa_aprintf(PW_TELEPHONY_OBJECT_PATH "/ag%d", agimpl->this.id);
/* register object */
if (!dbus_connection_register_object_path(impl->conn, path, &vtable, agimpl)) {
spa_log_error(impl->log, "failed to register %s", path);
return -EIO;
}
agimpl->path = strdup(path);
agimpl->path = spa_steal_ptr(path);
/* notify on ObjectManager of the Manager object */
{
@ -1174,7 +1174,7 @@ int telephony_ag_register(struct spa_bt_telephony_ag *ag)
dbus_iter_append_ag_interfaces(&iter, ag);
if (!dbus_connection_send(impl->conn, msg, NULL)) {
spa_log_error(impl->log, "failed to send InterfacesAdded for %s", path);
spa_log_error(impl->log, "failed to send InterfacesAdded for %s", agimpl->path);
telephony_ag_unregister(ag);
return -EIO;
}
@ -1188,18 +1188,18 @@ int telephony_ag_register(struct spa_bt_telephony_ag *ag)
msg = dbus_message_new_signal(impl->path, OFONO_MANAGER_IFACE,
"ModemAdded");
dbus_message_iter_init_append(msg, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &agimpl->path);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &props_dict);
dbus_message_iter_close_container(&iter, &props_dict);
if (!dbus_connection_send(impl->conn, msg, NULL)) {
spa_log_error(impl->log, "failed to send ModemAdded for %s", path);
spa_log_error(impl->log, "failed to send ModemAdded for %s", agimpl->path);
telephony_ag_unregister(ag);
return -EIO;
}
}
spa_log_debug(impl->log, "registered AudioGateway: %s", path);
spa_log_debug(impl->log, "registered AudioGateway: %s", agimpl->path);
return 0;
}
@ -1646,20 +1646,20 @@ int telephony_call_register(struct spa_bt_telephony_call *call)
struct callimpl *callimpl = SPA_CONTAINER_OF(call, struct callimpl, this);
struct agimpl *agimpl = SPA_CONTAINER_OF(callimpl->this.ag, struct agimpl, this);
struct impl *impl = SPA_CONTAINER_OF(agimpl->this.telephony, struct impl, this);
char *path;
static const DBusObjectPathVTable vtable = {
.message_function = call_handler,
};
path = spa_aprintf ("%s/call%d", agimpl->path, callimpl->this.id);
spa_autofree char *path = spa_aprintf("%s/call%d", agimpl->path, callimpl->this.id);
/* register object */
if (!dbus_connection_register_object_path(impl->conn, path, &vtable, callimpl)) {
spa_log_error(impl->log, "failed to register %s", path);
return -EIO;
}
callimpl->path = strdup(path);
callimpl->path = spa_steal_ptr(path);
/* notify on ObjectManager of the AudioGateway object */
{
@ -1671,7 +1671,7 @@ int telephony_call_register(struct spa_bt_telephony_call *call)
DBUS_INTERFACE_OBJECT_MANAGER,
"InterfacesAdded");
dbus_message_iter_init_append(msg, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &callimpl->path);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sa{sv}}", &dict);
dbus_message_iter_open_container(&dict, DBUS_TYPE_DICT_ENTRY, NULL, &entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &interface);
@ -1680,7 +1680,7 @@ int telephony_call_register(struct spa_bt_telephony_call *call)
dbus_message_iter_close_container(&iter, &dict);
if (!dbus_connection_send(impl->conn, msg, NULL)) {
spa_log_error(impl->log, "failed to send InterfacesAdded for %s", path);
spa_log_error(impl->log, "failed to send InterfacesAdded for %s", callimpl->path);
telephony_call_unregister(call);
return -EIO;
}
@ -1695,11 +1695,11 @@ int telephony_call_register(struct spa_bt_telephony_call *call)
OFONO_VOICE_CALL_MANAGER_IFACE,
"CallAdded");
dbus_message_iter_init_append(msg, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &callimpl->path);
dbus_iter_append_call_properties(&iter, call, true);
if (!dbus_connection_send(impl->conn, msg, NULL)) {
spa_log_error(impl->log, "failed to send CallAdded for %s", path);
spa_log_error(impl->log, "failed to send CallAdded for %s", callimpl->path);
telephony_call_unregister(call);
return -EIO;
}
@ -1707,7 +1707,7 @@ int telephony_call_register(struct spa_bt_telephony_call *call)
telephony_call_commit_properties(call);
spa_log_debug(impl->log, "registered Call: %s", path);
spa_log_debug(impl->log, "registered Call: %s", callimpl->path);
return 0;
}