libsecret/library/secret-util.c

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/* libsecret - GLib wrapper for Secret Service
*
* Copyright 2011 Collabora Ltd.
*
* This program 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 of the licence or (at
* your option) any later version.
*
* See the included COPYING file for more information.
*/
#include "config.h"
#include "secret-private.h"
#include "secret-types.h"
#include <string.h>
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/**
* SecretError:
* @SECRET_ERROR_PROTOCOL: received an invalid data or message from the Secret
* Service
*
* Errors returned by the Secret Service. None of the errors are appropriate
* for display to the user.
*/
static void
list_unref_free (GList *reflist)
{
GList *l;
for (l = reflist; l; l = g_list_next (l)) {
g_return_if_fail (G_IS_OBJECT (l->data));
g_object_unref (l->data);
}
g_list_free (reflist);
}
static GList *
list_ref_copy (GList *reflist)
{
GList *l, *copy = g_list_copy (reflist);
for (l = copy; l; l = g_list_next (l)) {
g_return_val_if_fail (G_IS_OBJECT (l->data), NULL);
g_object_ref (l->data);
}
return copy;
}
GType
_secret_list_get_type (void)
{
static GType type = 0;
if (!type)
type = g_boxed_type_register_static ("SecretObjectList",
(GBoxedCopyFunc)list_ref_copy,
(GBoxedFreeFunc)list_unref_free);
return type;
}
GQuark
secret_error_get_quark (void)
{
static volatile gsize initialized = 0;
static GQuark quark = 0;
if (g_once_init_enter (&initialized)) {
quark = g_quark_from_static_string ("secret-error");
g_once_init_leave (&initialized, 1);
}
return quark;
}
gchar *
_secret_util_parent_path (const gchar *path)
{
const gchar *pos;
g_return_val_if_fail (path != NULL, NULL);
pos = strrchr (path, '/');
g_return_val_if_fail (pos != NULL, NULL);
g_return_val_if_fail (pos != path, NULL);
return g_strndup (path, pos - path);
}
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gboolean
_secret_util_empty_path (const gchar *path)
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{
g_return_val_if_fail (path != NULL, TRUE);
return (g_str_equal (path, "") || g_str_equal (path, "/"));
}
GVariant *
_secret_util_variant_for_properties (GHashTable *properties)
{
GHashTableIter iter;
GVariantBuilder builder;
const gchar *name;
GVariant *value;
g_return_val_if_fail (properties != NULL, NULL);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
g_hash_table_iter_init (&iter, properties);
while (g_hash_table_iter_next (&iter, (gpointer *)&name, (gpointer *)&value))
g_variant_builder_add (&builder, "{sv}", name, value);
return g_variant_builder_end (&builder);
}
GVariant *
_secret_util_variant_for_attributes (GHashTable *attributes)
{
GHashTableIter iter;
GVariantBuilder builder;
const gchar *name;
const gchar *value;
g_return_val_if_fail (attributes != NULL, NULL);
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{ss}"));
g_hash_table_iter_init (&iter, attributes);
while (g_hash_table_iter_next (&iter, (gpointer *)&name, (gpointer *)&value))
g_variant_builder_add (&builder, "{ss}", name, value);
return g_variant_builder_end (&builder);
}
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GHashTable *
_secret_util_attributes_for_variant (GVariant *variant)
{
GVariantIter iter;
GHashTable *attributes;
gchar *value;
gchar *key;
attributes = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
g_variant_iter_init (&iter, variant);
while (g_variant_iter_next (&iter, "{ss}", &key, &value))
g_hash_table_insert (attributes, key, value);
return attributes;
}
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GHashTable *
_secret_util_attributes_for_varargs (const SecretSchema *schema,
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va_list args)
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{
const gchar *attribute_name;
SecretSchemaType type;
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GHashTable *attributes;
const gchar *string;
gboolean type_found;
gchar *value = NULL;
gboolean boolean;
gint integer;
gint i;
attributes = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
for (;;) {
attribute_name = va_arg (args, const gchar *);
if (attribute_name == NULL)
break;
type_found = FALSE;
for (i = 0; i < G_N_ELEMENTS (schema->attributes); ++i) {
if (!schema->attributes[i].name)
break;
if (g_str_equal (schema->attributes[i].name, attribute_name)) {
type_found = TRUE;
type = schema->attributes[i].type;
break;
}
}
if (!type_found) {
g_warning ("The attribute '%s' was not found in the password schema.", attribute_name);
g_hash_table_unref (attributes);
return NULL;
}
switch (type) {
case SECRET_ATTRIBUTE_BOOLEAN:
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boolean = va_arg (args, gboolean);
value = g_strdup (boolean ? "true" : "false");
break;
case SECRET_ATTRIBUTE_STRING:
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string = va_arg (args, gchar *);
if (!g_utf8_validate (string, -1, NULL)) {
g_warning ("The value for attribute '%s' was not a valid utf-8 string.", attribute_name);
g_hash_table_unref (attributes);
return NULL;
}
value = g_strdup (string);
break;
case SECRET_ATTRIBUTE_INTEGER:
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integer = va_arg (args, gint);
value = g_strdup_printf ("%d", integer);
break;
default:
g_warning ("The password attribute '%s' has an invalid type in the password schema.", attribute_name);
g_hash_table_unref (attributes);
return NULL;
}
g_hash_table_insert (attributes, g_strdup (attribute_name), value);
}
return attributes;
}
static void
process_get_all_reply (GDBusProxy *proxy,
GVariant *retval)
{
const gchar *invalidated_properties[1] = { NULL };
GVariant *changed_properties;
GVariantIter *iter;
GVariant *value;
gchar *key;
if (!g_variant_is_of_type (retval, G_VARIANT_TYPE ("(a{sv})"))) {
g_warning ("Value for GetAll reply with type `%s' does not match `(a{sv})'",
g_variant_get_type_string (retval));
return;
}
g_variant_get (retval, "(a{sv})", &iter);
while (g_variant_iter_loop (iter, "{sv}", &key, &value))
g_dbus_proxy_set_cached_property (proxy, key, value);
g_variant_iter_free (iter);
g_variant_get (retval, "(@a{sv})", &changed_properties);
g_signal_emit_by_name (proxy, "properties-changed",
changed_properties, invalidated_properties);
g_variant_unref (changed_properties);
}
static void
on_get_properties (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GSimpleAsyncResult *res = G_SIMPLE_ASYNC_RESULT (result);
GDBusProxy *proxy = G_DBUS_PROXY (g_async_result_get_source_object (user_data));
GError *error = NULL;
GVariant *retval;
retval = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source), result, &error);
if (error == NULL)
process_get_all_reply (proxy, retval);
else
g_simple_async_result_take_error (res, error);
if (retval != NULL)
g_variant_unref (retval);
g_simple_async_result_complete (res);
g_object_unref (proxy);
g_object_unref (res);
}
void
_secret_util_get_properties (GDBusProxy *proxy,
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gpointer result_tag,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GSimpleAsyncResult *res;
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
res = g_simple_async_result_new (G_OBJECT (proxy), callback, user_data, result_tag);
g_dbus_connection_call (g_dbus_proxy_get_connection (proxy),
g_dbus_proxy_get_name (proxy),
g_dbus_proxy_get_object_path (proxy),
"org.freedesktop.DBus.Properties", "GetAll",
g_variant_new ("(s)", g_dbus_proxy_get_interface_name (proxy)),
G_VARIANT_TYPE ("(a{sv})"),
G_DBUS_CALL_FLAGS_NONE, -1,
cancellable, on_get_properties,
g_object_ref (res));
g_object_unref (res);
}
gboolean
_secret_util_get_properties_finish (GDBusProxy *proxy,
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gpointer result_tag,
GAsyncResult *result,
GError **error)
{
GSimpleAsyncResult *res;
g_return_val_if_fail (g_simple_async_result_is_valid (result, G_OBJECT (proxy), result_tag), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
res = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (res, error))
return FALSE;
return TRUE;
}
typedef struct {
gchar *property;
GVariant *value;
gboolean result;
} SetClosure;
static void
set_closure_free (gpointer data)
{
SetClosure *closure = data;
g_free (closure->property);
g_variant_unref (closure->value);
g_slice_free (SetClosure, closure);
}
static void
on_set_property (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GSimpleAsyncResult *res = G_SIMPLE_ASYNC_RESULT (user_data);
SetClosure *closure = g_simple_async_result_get_op_res_gpointer (res);
GDBusProxy *proxy = G_DBUS_PROXY (g_async_result_get_source_object (user_data));
GError *error = NULL;
GVariant *retval;
retval = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source),
result, &error);
if (error != NULL)
g_simple_async_result_take_error (res, error);
if (retval != NULL)
g_variant_unref (retval);
closure->result = retval != NULL;
if (closure->result)
g_dbus_proxy_set_cached_property (proxy, closure->property, closure->value);
g_simple_async_result_complete (res);
g_object_unref (proxy);
g_object_unref (res);
}
void
_secret_util_set_property (GDBusProxy *proxy,
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const gchar *property,
GVariant *value,
gpointer result_tag,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GSimpleAsyncResult *res;
SetClosure *closure;
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
res = g_simple_async_result_new (G_OBJECT (proxy), callback, user_data, result_tag);
closure = g_slice_new0 (SetClosure);
closure->property = g_strdup (property);
closure->value = g_variant_ref_sink (value);
g_simple_async_result_set_op_res_gpointer (res, closure, set_closure_free);
g_dbus_connection_call (g_dbus_proxy_get_connection (proxy),
g_dbus_proxy_get_name (proxy),
g_dbus_proxy_get_object_path (proxy),
SECRET_PROPERTIES_INTERFACE,
"Set",
g_variant_new ("(ssv)",
g_dbus_proxy_get_interface_name (proxy),
property,
closure->value),
G_VARIANT_TYPE ("()"),
G_DBUS_CALL_FLAGS_NO_AUTO_START, -1,
cancellable, on_set_property,
g_object_ref (res));
g_object_unref (res);
}
gboolean
_secret_util_set_property_finish (GDBusProxy *proxy,
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gpointer result_tag,
GAsyncResult *result,
GError **error)
{
GSimpleAsyncResult *res;
SetClosure *closure;
g_return_val_if_fail (g_simple_async_result_is_valid (result, G_OBJECT (proxy), result_tag), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
res = G_SIMPLE_ASYNC_RESULT (result);
if (g_simple_async_result_propagate_error (res, error))
return FALSE;
closure = g_simple_async_result_get_op_res_gpointer (res);
return closure->result;
}
gboolean
_secret_util_set_property_sync (GDBusProxy *proxy,
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const gchar *property,
GVariant *value,
GCancellable *cancellable,
GError **error)
{
gboolean result = FALSE;
GVariant *retval;
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
g_variant_ref_sink (value);
retval = g_dbus_connection_call_sync (g_dbus_proxy_get_connection (proxy),
g_dbus_proxy_get_name (proxy),
g_dbus_proxy_get_object_path (proxy),
SECRET_PROPERTIES_INTERFACE,
"Set",
g_variant_new ("(ssv)",
g_dbus_proxy_get_interface_name (proxy),
property,
value),
G_VARIANT_TYPE ("()"),
G_DBUS_CALL_FLAGS_NO_AUTO_START, -1,
cancellable, error);
if (retval != NULL) {
result = TRUE;
g_variant_unref (retval);
g_dbus_proxy_set_cached_property (proxy, property, value);
}
g_variant_unref (value);
return result;
}
gboolean
_secret_util_have_cached_properties (GDBusProxy *proxy)
{
gchar **names;
names = g_dbus_proxy_get_cached_property_names (proxy);
g_strfreev (names);
return names != NULL;
}
SecretSync *
_secret_sync_new (void)
{
SecretSync *sync;
sync = g_new0 (SecretSync, 1);
sync->context = g_main_context_new ();
sync->loop = g_main_loop_new (sync->context, FALSE);
return sync;
}
void
_secret_sync_free (gpointer data)
{
SecretSync *sync = data;
g_clear_object (&sync->result);
g_main_loop_unref (sync->loop);
g_main_context_unref (sync->context);
}
void
_secret_sync_on_result (GObject *source,
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GAsyncResult *result,
gpointer user_data)
{
SecretSync *sync = user_data;
g_assert (sync->result == NULL);
sync->result = g_object_ref (result);
g_main_loop_quit (sync->loop);
}