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NetworkAgent: disallow multiple requests for the same connection/setting

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It doesn't make sense to have multiple requests for the same
connection/setting combination at the same time, since we would be
asking the user twice for the same password. Instead, report cancellation
to NetworkManager if this happens.
Note that does make sense to have multiple requests in sequence though
(they could have different flags), but this is not affected.

https://bugzilla.gnome.org/show_bug.cgi?id=674961
This commit is contained in:
Giovanni Campagna 2012-04-28 01:25:12 +02:00
parent 4ce2f80a2f
commit e6087efb40
1 changed files with 38 additions and 15 deletions
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53
src/shell-network-agent.c
View File

@ -76,6 +76,26 @@ shell_agent_request_free (gpointer data)
g_slice_free (ShellAgentRequest, request);
}
static void
shell_agent_request_cancel (ShellAgentRequest *request)
{
GError *error;
ShellNetworkAgent *self;
self = request->self;
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_AGENT_CANCELED,
"Canceled by NetworkManager");
request->callback (NM_SECRET_AGENT (self), request->connection,
NULL, error, request->callback_data);
g_signal_emit (self, signals[SIGNAL_CANCEL_REQUEST], 0, request->request_id);
g_hash_table_remove (self->priv->requests, request->request_id);
g_error_free (error);
}
static void
shell_network_agent_init (ShellNetworkAgent *agent)
{
@ -341,6 +361,17 @@ shell_network_agent_get_secrets (NMSecretAgent *agent,
ShellAgentRequest *request;
NMSettingConnection *setting_connection;
const char *connection_type;
char *request_id;
request_id = g_strdup_printf ("%s/%s", connection_path, setting_name);
if ((request = g_hash_table_lookup (self->priv->requests, request_id)) != NULL)
{
/* We already have a request pending for this (connection, setting)
* Cancel it before starting the new one.
* This will also free the request structure and associated resources.
*/
shell_agent_request_cancel (request);
}
setting_connection = nm_connection_get_setting_connection (connection);
connection_type = nm_setting_connection_get_connection_type (setting_connection);
@ -371,7 +402,7 @@ shell_network_agent_get_secrets (NMSecretAgent *agent,
else
request->vpn_entries = NULL;
request->request_id = g_strdup_printf ("%s/%s", connection_path, setting_name);
request->request_id = request_id;
g_hash_table_replace (self->priv->requests, request->request_id, request);
if ((flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW) ||
@ -490,30 +521,22 @@ shell_network_agent_cancel_get_secrets (NMSecretAgent *agent,
{
ShellNetworkAgent *self = SHELL_NETWORK_AGENT (agent);
ShellNetworkAgentPrivate *priv = self->priv;
gchar *request_id;
ShellAgentRequest *request;
gchar *request_id = g_strdup_printf ("%s/%s", connection_path, setting_name);
ShellAgentRequest *request = g_hash_table_lookup (priv->requests, request_id);
GError *error;
request_id = g_strdup_printf ("%s/%s", connection_path, setting_name);
request = g_hash_table_lookup (priv->requests, request_id);
g_free (request_id);
if (!request)
{
/* We've already sent the result, but the caller cancelled the
* operation before receiving that result.
*/
g_free (request_id);
return;
}
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_AGENT_CANCELED,
"Canceled by NetworkManager");
request->callback (agent, request->connection, NULL, error, request->callback_data);
g_signal_emit (self, signals[SIGNAL_CANCEL_REQUEST], 0, request_id);
g_hash_table_remove (priv->requests, request_id);
g_free (request_id);
g_error_free (error);
shell_agent_request_cancel (request);
}
/************************* saving of secrets ****************************************/