static void
cancel_get_secrets (NMSecretAgent *agent,
const char *connection_path,
const char *setting_name)
{
AppletAgentPrivate *priv = APPLET_AGENT_GET_PRIVATE (agent);
GHashTableIter iter;
Request *r;
GError *error;
error = g_error_new_literal (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_AGENT_CANCELED,
"Canceled by NetworkManager");
g_hash_table_iter_init (&iter, priv->requests);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) &r)) {
/* Only care about GetSecrets requests here */
if (r->get_callback == NULL)
continue;
/* Cancel any matching GetSecrets call */
if ( g_strcmp0 (r->path, connection_path) == 0
&& g_strcmp0 (r->setting_name, setting_name) == 0) {
/* cancel outstanding keyring operations */
g_cancellable_cancel (r->cancellable);
r->get_callback (NM_SECRET_AGENT (r->agent), r->connection, NULL, error, r->callback_data);
g_hash_table_remove (priv->requests, GUINT_TO_POINTER (r->id));
g_signal_emit (r->agent, signals[CANCEL_SECRETS], 0, GUINT_TO_POINTER (r->id));
}
}
g_error_free (error);
}
static void
dispose (GObject *object)
{
NMSecretAgentPrivate *priv = NM_SECRET_AGENT_GET_PRIVATE (object);
proxy_cleanup (NM_SECRET_AGENT (object));
g_clear_object (&priv->subject);
G_OBJECT_CLASS (nm_secret_agent_parent_class)->dispose (object);
}
static void
save_request_try_complete (Request *r)
{
/* Only call the SaveSecrets callback and free the request when all the
* secrets have been saved to the keyring.
*/
if (r->keyring_calls == 0) {
if (!g_cancellable_is_cancelled (r->cancellable))
r->save_callback (NM_SECRET_AGENT (r->agent), r->connection, NULL, r->callback_data);
request_free (r);
}
}
static void
get_secrets_cb (AppletAgent *self,
GHashTable *secrets,
GError *error,
gpointer user_data)
{
Request *r = user_data;
/* 'secrets' shouldn't be valid if there was an error */
if (error) {
g_warn_if_fail (secrets == NULL);
secrets = NULL;
}
if (!g_cancellable_is_cancelled (r->cancellable)) {
/* Save updated secrets as long as user-interaction was allowed; otherwise
* we'd be saving secrets we just pulled out of the keyring which is somewhat
* redundant.
*/
if (secrets && (r->flags != NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE)) {
NMConnection *dupl;
GHashTableIter iter;
const char *setting_name;
/* Copy the existing connection and update its secrets */
dupl = nm_connection_duplicate (r->connection);
g_hash_table_iter_init (&iter, secrets);
while (g_hash_table_iter_next (&iter, (gpointer) &setting_name, NULL))
nm_connection_update_secrets (dupl, setting_name, secrets, NULL);
/* And save updated secrets to the keyring */
nm_secret_agent_save_secrets (NM_SECRET_AGENT (self), dupl, get_save_cb, NULL);
g_object_unref (dupl);
}
r->get_callback (NM_SECRET_AGENT (r->agent), r->connection, secrets, error, r->callback_data);
}
request_free (r);
}
static void
save_request_try_complete (Request *r, KeyringCall *call)
{
/* Only call the SaveSecrets callback and free the request when all the
* secrets have been saved to the keyring.
*/
if (call)
r->keyring_calls = g_slist_remove (r->keyring_calls, call);
if (g_slist_length (r->keyring_calls) == 0) {
if (r->canceled == FALSE)
r->save_callback (NM_SECRET_AGENT (r->agent), r->connection, NULL, r->callback_data);
request_free (r);
}
}
static void
keyring_find_secrets_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
Request *r = user_data;
GError *error = NULL;
GError *search_error = NULL;
const char *connection_id = NULL;
GHashTable *secrets = NULL, *settings = NULL;
GList *list = NULL;
GList *iter;
gboolean hint_found = FALSE, ask = FALSE;
r->keyring_calls--;
if (g_cancellable_is_cancelled (r->cancellable)) {
/* Callback already called by NM or dispose */
request_free (r);
return;
}
list = secret_service_search_finish (NULL, result, &search_error);
connection_id = nm_connection_get_id (r->connection);
if (g_error_matches (search_error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
error = g_error_new_literal (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_USER_CANCELED,
"The secrets request was canceled by the user");
g_error_free (search_error);
goto done;
} else if (search_error) {
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_INTERNAL_ERROR,
"%s.%d - failed to read secrets from keyring (%s)",
__FILE__, __LINE__, search_error->message);
g_error_free (search_error);
goto done;
}
/* Only ask if we're allowed to, so that eg a connection editor which
* requests secrets for its UI, for a connection which doesn't have any
* secrets yet, doesn't trigger the applet secrets dialog.
*/
if ( (r->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION)
&& g_list_length (list) == 0) {
g_message ("No keyring secrets found for %s/%s; asking user.", connection_id, r->setting_name);
ask_for_secrets (r);
return;
}
secrets = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, destroy_gvalue);
/* Extract the secrets from the list of matching keyring items */
for (iter = list; iter != NULL; iter = g_list_next (iter)) {
SecretItem *item = iter->data;
SecretValue *secret;
const char *key_name;
GHashTable *attributes;
secret = secret_item_get_secret (item);
if (secret) {
attributes = secret_item_get_attributes (item);
key_name = g_hash_table_lookup (attributes, KEYRING_SK_TAG);
if (!key_name) {
g_hash_table_unref (attributes);
secret_value_unref (secret);
continue;
}
g_hash_table_insert (secrets, g_strdup (key_name),
string_to_gvalue (secret_value_get (secret, NULL)));
/* See if this property matches a given hint */
if (r->hints && r->hints[0]) {
if (!g_strcmp0 (r->hints[0], key_name) || !g_strcmp0 (r->hints[1], key_name))
hint_found = TRUE;
}
g_hash_table_unref (attributes);
secret_value_unref (secret);
break;
}
}
/* If there were hints, and none of the hints were returned by the keyring,
* get some new secrets.
*/
if (r->flags) {
if (r->hints && r->hints[0] && !hint_found)
ask = TRUE;
else if (r->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW) {
g_message ("New secrets for %s/%s requested; ask the user", connection_id, r->setting_name);
ask = TRUE;
} else if ( (r->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION)
&& is_connection_always_ask (r->connection))
ask = TRUE;
}
/* Returned secrets are a{sa{sv}}; this is the outer a{s...} hash that
* will contain all the individual settings hashes.
*/
settings = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_hash_table_destroy);
g_hash_table_insert (settings, g_strdup (r->setting_name), secrets);
done:
g_list_free_full (list, g_object_unref);
if (ask) {
GHashTableIter hash_iter;
const char *setting_name;
GHashTable *setting_hash;
/* Stuff all the found secrets into the connection for the UI to use */
g_hash_table_iter_init (&hash_iter, settings);
while (g_hash_table_iter_next (&hash_iter,
(gpointer *) &setting_name,
(gpointer *) &setting_hash)) {
nm_connection_update_secrets (r->connection,
setting_name,
setting_hash,
NULL);
}
ask_for_secrets (r);
} else {
/* Otherwise send the secrets back to NetworkManager */
r->get_callback (NM_SECRET_AGENT (r->agent), r->connection, error ? NULL : settings, error, r->callback_data);
request_free (r);
}
if (settings)
g_hash_table_destroy (settings);
g_clear_error (&error);
}
static void
keyring_find_secrets_cb (GnomeKeyringResult result,
GList *list,
gpointer user_data)
{
KeyringCall *call = user_data;
Request *r = call->r;
GError *error = NULL;
const char *connection_id = NULL;
GHashTable *secrets = NULL, *settings = NULL;
GList *iter;
gboolean hint_found = FALSE, ask = FALSE;
r->keyring_calls = g_slist_remove (r->keyring_calls, call);
if (r->canceled) {
/* Callback already called by NM or dispose */
request_free (r);
return;
}
connection_id = nm_connection_get_id (r->connection);
if (result == GNOME_KEYRING_RESULT_CANCELLED) {
error = g_error_new_literal (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_USER_CANCELED,
"The secrets request was canceled by the user");
goto done;
} else if ( result != GNOME_KEYRING_RESULT_OK
&& result != GNOME_KEYRING_RESULT_NO_MATCH) {
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_INTERNAL_ERROR,
"%s.%d - failed to read secrets from keyring (result %d)",
__FILE__, __LINE__, result);
goto done;
}
/* Only ask if we're allowed to, ie if flags != NM_SECRET_AGENT_GET_SECRETS_FLAG_NONE */
if (r->flags && g_list_length (list) == 0) {
g_message ("No keyring secrets found for %s/%s; asking user.", connection_id, r->setting_name);
ask_for_secrets (r);
return;
}
secrets = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, destroy_gvalue);
/* Extract the secrets from the list of matching keyring items */
for (iter = list; iter != NULL; iter = g_list_next (iter)) {
GnomeKeyringFound *found = iter->data;
GnomeKeyringAttribute *attr;
const char *key_name = NULL;
int i;
for (i = 0; i < found->attributes->len; i++) {
attr = &(gnome_keyring_attribute_list_index (found->attributes, i));
if ( (strcmp (attr->name, KEYRING_SK_TAG) == 0)
&& (attr->type == GNOME_KEYRING_ATTRIBUTE_TYPE_STRING)) {
key_name = attr->value.string;
g_hash_table_insert (secrets, g_strdup (key_name), string_to_gvalue (found->secret));
/* See if this property matches a given hint */
if (r->hints && r->hints[0]) {
if (!g_strcmp0 (r->hints[0], key_name) || !g_strcmp0 (r->hints[1], key_name))
hint_found = TRUE;
}
break;
}
}
}
/* If there were hints, and none of the hints were returned by the keyring,
* get some new secrets.
*/
if (r->flags) {
if (r->hints && r->hints[0] && !hint_found)
ask = TRUE;
else if (r->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW) {
g_message ("New secrets for %s/%s requested; ask the user", connection_id, r->setting_name);
ask = TRUE;
} else if ( (r->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION)
&& is_connection_always_ask (r->connection))
ask = TRUE;
}
/* Returned secrets are a{sa{sv}}; this is the outer a{s...} hash that
* will contain all the individual settings hashes.
*/
settings = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) g_hash_table_destroy);
g_hash_table_insert (settings, g_strdup (r->setting_name), secrets);
done:
if (ask) {
GHashTableIter hash_iter;
const char *setting_name;
GHashTable *setting_hash;
/* Stuff all the found secrets into the connection for the UI to use */
g_hash_table_iter_init (&hash_iter, settings);
while (g_hash_table_iter_next (&hash_iter,
(gpointer *) &setting_name,
(gpointer *) &setting_hash)) {
nm_connection_update_secrets (r->connection,
setting_name,
setting_hash,
NULL);
}
ask_for_secrets (r);
} else {
/* Otherwise send the secrets back to NetworkManager */
r->get_callback (NM_SECRET_AGENT (r->agent), r->connection, error ? NULL : settings, error, r->callback_data);
request_free (r);
}
if (settings)
g_hash_table_destroy (settings);
g_clear_error (&error);
}
