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-rw-r--r--src/modules/dbus/iface-core.c95
-rw-r--r--src/pulsecore/dbus-util.c73
-rw-r--r--src/pulsecore/dbus-util.h9
3 files changed, 111 insertions, 66 deletions
diff --git a/src/modules/dbus/iface-core.c b/src/modules/dbus/iface-core.c
index 31f12603..d17499c1 100644
--- a/src/modules/dbus/iface-core.c
+++ b/src/modules/dbus/iface-core.c
@@ -220,7 +220,7 @@ static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
.receive_cb = handle_upload_sample },
[METHOD_HANDLER_LOAD_MODULE] = {
.method_name = "LoadModule",
- .arguments = upload_sample_args,
+ .arguments = load_module_args,
.n_arguments = sizeof(load_module_args) / sizeof(pa_dbus_arg_info),
.receive_cb = handle_load_module },
[METHOD_HANDLER_EXIT] = {
@@ -424,11 +424,8 @@ static void handle_get_default_channels(DBusConnection *conn, DBusMessage *msg,
static void handle_set_default_channels(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_core *c = userdata;
pa_channel_map new_channel_map;
- DBusMessageIter msg_iter;
- DBusMessageIter variant_iter;
- DBusMessageIter array_iter;
dbus_uint32_t *default_channels;
- int n_channels;
+ unsigned n_channels;
unsigned i;
pa_assert(conn);
@@ -437,37 +434,16 @@ static void handle_set_default_channels(DBusConnection *conn, DBusMessage *msg,
pa_channel_map_init(&new_channel_map);
- pa_assert_se(dbus_message_iter_init(msg, &msg_iter));
-
- /* Skip the interface and property name arguments. */
- if (!dbus_message_iter_next(&msg_iter) || !dbus_message_iter_next(&msg_iter)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments.");
+ if (pa_dbus_get_fixed_array_set_property_arg(conn, msg, DBUS_TYPE_UINT32, &default_channels, &n_channels) < 0)
return;
- }
-
- if (dbus_message_iter_get_arg_type(&msg_iter) != DBUS_TYPE_VARIANT) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Message argument isn't a variant.");
- return;
- }
-
- dbus_message_iter_recurse(&msg_iter, &variant_iter);
-
- if (dbus_message_iter_get_arg_type(&variant_iter) != DBUS_TYPE_ARRAY) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Variant doesn't contain an array.");
- return;
- }
- dbus_message_iter_recurse(&variant_iter, &array_iter);
-
- if (dbus_message_iter_get_arg_type(&array_iter) != DBUS_TYPE_UINT32) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Array type is not uint32.");
+ if (n_channels <= 0) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Empty channel array.");
return;
}
- dbus_message_iter_get_fixed_array(&array_iter, &default_channels, &n_channels);
-
- if (n_channels <= 0) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Empty channel array.");
+ if (n_channels > PA_CHANNELS_MAX) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too many channels: %u. The maximum number of channels is %u.", n_channels, PA_CHANNELS_MAX);
return;
}
@@ -475,7 +451,7 @@ static void handle_set_default_channels(DBusConnection *conn, DBusMessage *msg,
for (i = 0; i < new_channel_map.channels; ++i) {
if (default_channels[i] >= PA_CHANNEL_POSITION_MAX) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid channel position.");
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid channel position: %u.", default_channels[i]);
return;
}
@@ -547,7 +523,7 @@ static void handle_set_default_sample_rate(DBusConnection *conn, DBusMessage *ms
return;
if (default_sample_rate <= 0 || default_sample_rate > PA_RATE_MAX) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample format.");
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid sample rate.");
return;
}
@@ -1149,7 +1125,7 @@ static void handle_get_card_by_name(DBusConnection *conn, DBusMessage *msg, void
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &card_name, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
return;
}
@@ -1181,7 +1157,7 @@ static void handle_get_sink_by_name(DBusConnection *conn, DBusMessage *msg, void
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &sink_name, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
return;
}
@@ -1213,7 +1189,7 @@ static void handle_get_source_by_name(DBusConnection *conn, DBusMessage *msg, vo
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &source_name, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
return;
}
@@ -1245,7 +1221,7 @@ static void handle_get_sample_by_name(DBusConnection *conn, DBusMessage *msg, vo
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &sample_name, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
return;
}
@@ -1433,6 +1409,7 @@ static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *use
pa_dbusiface_core *c = userdata;
DBusMessageIter msg_iter;
DBusMessageIter dict_iter;
+ DBusMessageIter dict_entry_iter;
char *name;
const char *key;
const char *value;
@@ -1441,6 +1418,7 @@ static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *use
pa_module *module;
pa_dbusiface_module *dbus_module;
const char *object_path;
+ int arg_type;
pa_assert(conn);
pa_assert(msg);
@@ -1459,13 +1437,18 @@ static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *use
if (pa_dbus_get_basic_arg(conn, msg, &msg_iter, DBUS_TYPE_STRING, &name) < 0)
return;
- if (dbus_message_iter_get_arg_type(&msg_iter) != DBUS_TYPE_ARRAY) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type or too few arguments. An array was expected.");
+ arg_type = dbus_message_iter_get_arg_type(&msg_iter);
+ if (arg_type != DBUS_TYPE_ARRAY) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments. A dictionary from strings to strings was expected.");
+ else
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type: '%c'. An dictionary from strings to strings was expected.", (char) arg_type);
return;
}
- if (dbus_message_iter_get_element_type(&msg_iter) != DBUS_TYPE_DICT_ENTRY) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong array element type. A dict entry was expected.");
+ arg_type = dbus_message_iter_get_element_type(&msg_iter);
+ if (arg_type != DBUS_TYPE_DICT_ENTRY) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong array element type: '%c'. A dict entry (string to string) was expected.", (char) arg_type);
return;
}
@@ -1473,28 +1456,38 @@ static void handle_load_module(DBusConnection *conn, DBusMessage *msg, void *use
dbus_message_iter_recurse(&msg_iter, &dict_iter);
- while (dbus_message_iter_has_next(&dict_iter)) {
+ while (dbus_message_iter_get_arg_type(&dict_iter) != DBUS_TYPE_INVALID) {
if (!pa_strbuf_isempty(arg_buffer))
pa_strbuf_putc(arg_buffer, ' ');
- if (dbus_message_iter_get_arg_type(&dict_iter) != DBUS_TYPE_STRING) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong dict key type. A string was expected.");
+ dbus_message_iter_recurse(&dict_iter, &dict_entry_iter);
+
+ arg_type = dbus_message_iter_get_arg_type(&dict_entry_iter);
+ if (arg_type != DBUS_TYPE_STRING) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong dict key type: '%c'. A string was expected.", (char) arg_type);
goto finish;
}
- dbus_message_iter_get_basic(&dict_iter, &key);
+ dbus_message_iter_get_basic(&dict_entry_iter, &key);
+ dbus_message_iter_next(&dict_entry_iter);
if (strlen(key) <= 0 || !pa_ascii_valid(key) || contains_space(key)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid module argument name.");
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid module argument name: %s", key);
goto finish;
}
- if (dbus_message_iter_get_arg_type(&dict_iter) != DBUS_TYPE_STRING) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong dict value type. A string was expected.");
+ arg_type = dbus_message_iter_get_arg_type(&dict_entry_iter);
+ if (arg_type != DBUS_TYPE_STRING) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Dict value missing.");
+ else
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Wrong dict value type: '%c'. A string was expected.", (char) arg_type);
goto finish;
}
- dbus_message_iter_get_basic(&dict_iter, &value);
+ dbus_message_iter_get_basic(&dict_entry_iter, &value);
+
+ dbus_message_iter_next(&dict_iter);
escaped_value = pa_escape(value, "\"");
pa_strbuf_printf(arg_buffer, "%s=\"%s\"", key, escaped_value);
@@ -1549,7 +1542,7 @@ static void handle_listen_for_signal(DBusConnection *conn, DBusMessage *msg, voi
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &signal, DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &objects, &n_objects, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
goto finish;
}
@@ -1574,7 +1567,7 @@ static void handle_stop_listening_for_signal(DBusConnection *conn, DBusMessage *
dbus_error_init(&error);
if (!dbus_message_get_args(msg, &error, DBUS_TYPE_STRING, &signal, DBUS_TYPE_INVALID)) {
- pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, error.message);
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "%s", error.message);
dbus_error_free(&error);
return;
}
diff --git a/src/pulsecore/dbus-util.c b/src/pulsecore/dbus-util.c
index cfc3e8cb..43dbd6b2 100644
--- a/src/pulsecore/dbus-util.c
+++ b/src/pulsecore/dbus-util.c
@@ -446,18 +446,25 @@ void pa_dbus_free_pending_list(pa_dbus_pending **p) {
}
}
-void pa_dbus_send_error(DBusConnection *c, DBusMessage *in_reply_to, const char *name, const char *message) {
+void pa_dbus_send_error(DBusConnection *c, DBusMessage *in_reply_to, const char *name, const char *format, ...) {
+ va_list ap;
+ char *message;
DBusMessage *reply = NULL;
pa_assert(c);
pa_assert(in_reply_to);
pa_assert(name);
- pa_assert(message);
+ pa_assert(format);
+ va_start(ap, format);
+ message = pa_vsprintf_malloc(format, ap);
+ va_end(ap);
pa_assert_se((reply = dbus_message_new_error(in_reply_to, name, message)));
pa_assert_se(dbus_connection_send(c, reply, NULL));
dbus_message_unref(reply);
+
+ pa_xfree(message);
}
void pa_dbus_send_empty_reply(DBusConnection *c, DBusMessage *in_reply_to) {
@@ -655,36 +662,71 @@ int pa_dbus_get_basic_set_property_arg(DBusConnection *c, DBusMessage *msg, int
dbus_message_iter_recurse(&msg_iter, &variant_iter);
- if (dbus_message_iter_get_arg_type(&variant_iter) != type) {
- pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Variant has wrong contained type.");
+ if (pa_dbus_get_basic_arg(c, msg, &variant_iter, type, data) < 0)
+ return -1;
+
+ return 0;
+}
+
+int pa_dbus_get_fixed_array_set_property_arg(DBusConnection *c, DBusMessage *msg, int item_type, void *data, unsigned *n) {
+ DBusMessageIter msg_iter;
+ DBusMessageIter variant_iter;
+
+ pa_assert(c);
+ pa_assert(msg);
+ pa_assert(dbus_type_is_fixed(item_type));
+ pa_assert(data);
+ pa_assert(n);
+
+ /* Skip the interface and property name arguments. */
+ if (!dbus_message_iter_init(msg, &msg_iter) || !dbus_message_iter_next(&msg_iter) || !dbus_message_iter_next(&msg_iter)) {
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments.");
return -1;
}
- dbus_message_iter_get_basic(&variant_iter, data);
+ if (dbus_message_iter_get_arg_type(&msg_iter) != DBUS_TYPE_VARIANT) {
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Message argument isn't a variant.");
+ return -1;
+ }
+
+ dbus_message_iter_recurse(&msg_iter, &variant_iter);
+
+ if (pa_dbus_get_fixed_array_arg(c, msg, &variant_iter, item_type, data, n) < 0)
+ return -1;
return 0;
}
int pa_dbus_get_basic_arg(DBusConnection *c, DBusMessage *msg, DBusMessageIter *iter, int type, void *data) {
+ int arg_type;
+
pa_assert(c);
pa_assert(msg);
pa_assert(iter);
pa_assert(dbus_type_is_basic(type));
pa_assert(data);
- if (dbus_message_iter_get_arg_type(iter) != type) {
- pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type or too few arguments.");
+ arg_type = dbus_message_iter_get_arg_type(iter);
+ if (arg_type != type) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments. D-Bus type '%c' expected.", (char) type);
+ else
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type: '%c'. Expected type '%c'.", (char) arg_type, (char) type);
return -1;
}
dbus_message_iter_get_basic(iter, data);
+ dbus_message_iter_next(iter);
+
return 0;
}
int pa_dbus_get_fixed_array_arg(DBusConnection *c, DBusMessage *msg, DBusMessageIter *iter, int item_type, void *array, unsigned *n) {
DBusMessageIter array_iter;
int signed_n;
+ int arg_type;
+ int element_type;
pa_assert(c);
pa_assert(msg);
@@ -693,13 +735,18 @@ int pa_dbus_get_fixed_array_arg(DBusConnection *c, DBusMessage *msg, DBusMessage
pa_assert(array);
pa_assert(n);
- if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY) {
- pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type or too few arguments. An array was expected.");
+ arg_type = dbus_message_iter_get_arg_type(iter);
+ if (arg_type != DBUS_TYPE_ARRAY) {
+ if (arg_type == DBUS_TYPE_INVALID)
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Too few arguments. An array of type '%c' was expected.", (char) item_type);
+ else
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong argument type: '%c'. An array of type '%c' was expected.", (char) arg_type, (char) item_type);
return -1;
}
- if (dbus_message_iter_get_element_type(iter) != item_type) {
- pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong array element type.");
+ element_type = dbus_message_iter_get_element_type(iter);
+ if (element_type != item_type) {
+ pa_dbus_send_error(c, msg, DBUS_ERROR_INVALID_ARGS, "Wrong array element type: '%c'. Element type '%c' was expected.", (char) element_type, (char) item_type);
return -1;
}
@@ -707,6 +754,8 @@ int pa_dbus_get_fixed_array_arg(DBusConnection *c, DBusMessage *msg, DBusMessage
dbus_message_iter_get_fixed_array(&array_iter, array, &signed_n);
+ dbus_message_iter_next(iter);
+
pa_assert(signed_n >= 0);
*n = signed_n;
@@ -769,6 +818,8 @@ pa_proplist *pa_dbus_get_proplist_arg(DBusConnection *c, DBusMessage *msg, DBusM
pa_assert_se(pa_proplist_set(proplist, key, value, value_length) >= 0);
}
+ dbus_message_iter_next(iter);
+
return proplist;
fail:
diff --git a/src/pulsecore/dbus-util.h b/src/pulsecore/dbus-util.h
index 1a8aeac9..97aae372 100644
--- a/src/pulsecore/dbus-util.h
+++ b/src/pulsecore/dbus-util.h
@@ -63,7 +63,7 @@ void pa_dbus_sync_pending_list(pa_dbus_pending **p);
void pa_dbus_free_pending_list(pa_dbus_pending **p);
/* Sends an error message as the reply to the given message. */
-void pa_dbus_send_error(DBusConnection *c, DBusMessage *in_reply_to, const char *name, const char *message);
+void pa_dbus_send_error(DBusConnection *c, DBusMessage *in_reply_to, const char *name, const char *format, ...) PA_GCC_PRINTF_ATTR(4, 5);
void pa_dbus_send_empty_reply(DBusConnection *c, DBusMessage *in_reply_to);
void pa_dbus_send_basic_value_reply(DBusConnection *c, DBusMessage *in_reply_to, int type, void *data);
@@ -76,10 +76,11 @@ void pa_dbus_append_basic_variant(DBusMessageIter *iter, int type, void *data);
void pa_dbus_append_basic_variant_dict_entry(DBusMessageIter *dict_iter, const char *key, int type, void *data);
void pa_dbus_append_basic_array_variant_dict_entry(DBusMessageIter *dict_iter, const char *key, int item_type, const void *array, unsigned n);
-/* Helper function for extracting the value argument of a Set call for a
- * property with a basic type. If the message is invalid, an error reply is
- * sent and a negative number is returned. */
+/* Helper functions for extracting the value argument of a Set call. If the
+ * message is invalid, an error reply is sent and a negative number is
+ * returned. */
int pa_dbus_get_basic_set_property_arg(DBusConnection *c, DBusMessage *msg, int type, void *data);
+int pa_dbus_get_fixed_array_set_property_arg(DBusConnection *c, DBusMessage *msg, int item_type, void *data, unsigned *n);
/* If the arguments can't be read from the iterator, an error reply is sent and
* a negative number is returned. */
generated by cgit (git 2.34.1) at 2024-11-15 18:41:40 +0000