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resolver: Return error looking up invalid hostnames

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Make g_resolver_lookup_by_name() and g_resolver_lookup_by_name_async()
error out when invalid hostnames are passed.

https://bugzilla.gnome.org/show_bug.cgi?id=772989
This commit is contained in:
Bastien Nocera 2016-12-07 17:44:08 +01:00
parent 5c566e435e
commit 442b7ce899
1 changed files with 20 additions and 0 deletions
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20
gio/gresolver.c
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@ -403,6 +403,13 @@ g_resolver_lookup_by_name (GResolver *resolver,
if (g_hostname_is_non_ascii (hostname))
hostname = ascii_hostname = g_hostname_to_ascii (hostname);
if (!hostname)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("Invalid hostname"));
return NULL;
}
g_resolver_maybe_reload (resolver);
addrs = G_RESOLVER_GET_CLASS (resolver)->
lookup_by_name (resolver, hostname, cancellable, error);
@ -460,6 +467,19 @@ g_resolver_lookup_by_name_async (GResolver *resolver,
if (g_hostname_is_non_ascii (hostname))
hostname = ascii_hostname = g_hostname_to_ascii (hostname);
if (!hostname)
{
GTask *task;
g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("Invalid hostname"));
task = g_task_new (resolver, cancellable, callback, user_data);
g_task_set_source_tag (task, g_resolver_lookup_by_name_async);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
g_resolver_maybe_reload (resolver);
G_RESOLVER_GET_CLASS (resolver)->
lookup_by_name_async (resolver, hostname, cancellable, callback, user_data);