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GSettings: be more careful about keys names with /

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Prevent attempts to access keys ending with slashes that exist in the
schema file as references to child schemas.

Also: don't emit change signals for these same keys.
This commit is contained in:
Ryan Lortie 2012-07-06 13:43:17 -04:00
parent 52a6d7022a
commit ed492a5de2
2 changed files with 17 additions and 5 deletions
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20
gio/gsettings.c
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@ -279,8 +279,14 @@ g_settings_real_change_event (GSettings *settings,
keys = g_settings_schema_list (settings->priv->schema, &n_keys); keys = g_settings_schema_list (settings->priv->schema, &n_keys);
for (i = 0; i < n_keys; i++) for (i = 0; i < n_keys; i++)
g_signal_emit (settings, g_settings_signals[SIGNAL_CHANGED], {
keys[i], g_quark_to_string (keys[i])); const gchar *key = g_quark_to_string (keys[i]);
if (g_str_has_suffix (key, "/"))
continue;
g_signal_emit (settings, g_settings_signals[SIGNAL_CHANGED], keys[i], key);
}
return FALSE; return FALSE;
} }
@ -297,8 +303,14 @@ g_settings_real_writable_change_event (GSettings *settings,
keys = g_settings_schema_list (settings->priv->schema, &n_keys); keys = g_settings_schema_list (settings->priv->schema, &n_keys);
for (i = 0; i < n_keys; i++) for (i = 0; i < n_keys; i++)
g_signal_emit (settings, g_settings_signals[SIGNAL_WRITABLE_CHANGED], {
keys[i], g_quark_to_string (keys[i])); const gchar *key = g_quark_to_string (keys[i]);
if (g_str_has_suffix (key, "/"))
continue;
g_signal_emit (settings, g_settings_signals[SIGNAL_WRITABLE_CHANGED], keys[i], key);
}
return FALSE; return FALSE;
} }

2
gio/gsettingsschema.c
View File

@ -636,7 +636,7 @@ g_settings_schema_get_value (GSettingsSchema *schema,
value = gvdb_table_get_raw_value (schema->table, key); value = gvdb_table_get_raw_value (schema->table, key);
if G_UNLIKELY (value == NULL) if G_UNLIKELY (value == NULL || !g_variant_is_of_type (value, G_VARIANT_TYPE_TUPLE))
g_error ("Settings schema '%s' does not contain a key named '%s'", schema->id, key); g_error ("Settings schema '%s' does not contain a key named '%s'", schema->id, key);
iter = g_variant_iter_new (value); iter = g_variant_iter_new (value);