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iwd: save secrets request invocation in request user_data

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To improve the code logic and reduce space for bugs, don't save the
dbus invocation object as priv->secrets_request, instead move it to
the nm_act_request_get_secrets()'s user_data as we only need the
invocation object for exactly the life time of the request.  See
https://github.com/NetworkManager/NetworkManager/pull/139 for
discussion.
This commit is contained in:
Andrew Zaborowski 2018-06-21 01:30:04 +02:00 • committed by Thomas Haller
parent 0876332bae
commit ffd96edf76
1 changed files with 20 additions and 27 deletions
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47
src/devices/wifi/nm-device-iwd.c
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@ -73,7 +73,6 @@ typedef struct {
GCancellable * cancellable;
NMDeviceWifiCapabilities capabilities;
NMActRequestGetSecretsCallId *wifi_secrets_id;
GDBusMethodInvocation *secrets_request;
guint periodic_scan_id;
bool enabled:1;
bool can_scan:1;
@ -379,14 +378,6 @@ wifi_secrets_cancel (NMDeviceIwd *self)
if (priv->wifi_secrets_id)
nm_act_request_cancel_secrets (NULL, priv->wifi_secrets_id);
nm_assert (!priv->wifi_secrets_id);
if (priv->secrets_request) {
g_dbus_method_invocation_return_error_literal (priv->secrets_request, NM_DEVICE_ERROR,
NM_DEVICE_ERROR_INVALID_CONNECTION,
"NM secrets request cancelled");
priv->secrets_request = NULL;
}
}
static void
@ -1008,25 +999,31 @@ wifi_secrets_cb (NMActRequest *req,
GError *error,
gpointer user_data)
{
NMDevice *device = user_data;
NMDeviceIwd *self = user_data;
NMDeviceIwd *self;
NMDeviceIwdPrivate *priv;
NMDevice *device;
NMSettingWirelessSecurity *s_wireless_sec;
const gchar *psk;
GDBusMethodInvocation *invocation;
nm_utils_user_data_unpack (user_data, &self, &invocation);
g_return_if_fail (NM_IS_DEVICE_IWD (self));
g_return_if_fail (NM_IS_ACT_REQUEST (req));
priv = NM_DEVICE_IWD_GET_PRIVATE (self);
device = NM_DEVICE (self);
g_return_if_fail (priv->wifi_secrets_id == call_id);
priv->wifi_secrets_id = NULL;
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
g_dbus_method_invocation_return_error_literal (invocation, NM_DEVICE_ERROR,
NM_DEVICE_ERROR_INVALID_CONNECTION,
"NM secrets request cancelled");
return;
}
g_return_if_fail (priv->secrets_request);
g_return_if_fail (req == nm_device_get_act_request (device));
g_return_if_fail (nm_act_request_get_settings_connection (req) == s_connection);
@ -1049,21 +1046,17 @@ wifi_secrets_cb (NMActRequest *req,
_LOGD (LOGD_DEVICE | LOGD_WIFI,
"Returning a new PSK to the IWD Agent");
g_dbus_method_invocation_return_value (priv->secrets_request,
g_dbus_method_invocation_return_value (invocation,
g_variant_new ("(s)", psk));
priv->secrets_request = NULL;
/* Change state back to what it was before NEED_AUTH */
nm_device_state_changed (device, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_REASON_NONE);
return;
secrets_error:
if (priv->secrets_request) {
g_dbus_method_invocation_return_error_literal (priv->secrets_request, NM_DEVICE_ERROR,
NM_DEVICE_ERROR_INVALID_CONNECTION,
"NM secrets request failed");
priv->secrets_request = NULL;
}
g_dbus_method_invocation_return_error_literal (invocation, NM_DEVICE_ERROR,
NM_DEVICE_ERROR_INVALID_CONNECTION,
"NM secrets request failed");
nm_device_state_changed (device,
NM_DEVICE_STATE_FAILED,
@ -1075,7 +1068,8 @@ secrets_error:
static void
wifi_secrets_get_secrets (NMDeviceIwd *self,
const char *setting_name,
NMSecretAgentGetSecretsFlags flags)
NMSecretAgentGetSecretsFlags flags,
GDBusMethodInvocation *invocation)
{
NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE (self);
NMActRequest *req;
@ -1091,7 +1085,7 @@ wifi_secrets_get_secrets (NMDeviceIwd *self,
flags,
NULL,
wifi_secrets_cb,
self);
nm_utils_user_data_pack (self, invocation));
}
static void
@ -1731,7 +1725,6 @@ gboolean
nm_device_iwd_agent_psk_query (NMDeviceIwd *self,
GDBusMethodInvocation *invocation)
{
NMDeviceIwdPrivate *priv = NM_DEVICE_IWD_GET_PRIVATE (self);
NMActRequest *req;
NMSettingWirelessSecurity *s_wireless_sec;
const gchar *psk;
@ -1759,9 +1752,9 @@ nm_device_iwd_agent_psk_query (NMDeviceIwd *self,
wifi_secrets_get_secrets (self,
NM_SETTING_WIRELESS_SECURITY_SETTING_NAME,
NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION
| NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW);
| NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW,
invocation);
priv->secrets_request = invocation;
return TRUE;
}