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gnome-shell/src/shell-network-agent.c
Lubomir Rintel d71af5e579 network: port to libnm 
The libnm-glib is depreacted for a long time already.

https://bugzilla.gnome.org/show_bug.cgi?id=789811
2018-01-12 11:48:49 +01:00

814 lines
27 KiB
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright 2011 Red Hat, Inc.
* 2011 Giovanni Campagna <scampa.giovanni@gmail.com>
* 2017 Lubomir Rintel <lkundrak@v3.sk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "config.h"
#include <string.h>
#include <libsecret/secret.h>
#include "shell-network-agent.h"
enum {
SIGNAL_NEW_REQUEST,
SIGNAL_CANCEL_REQUEST,
SIGNAL_LAST
};
static gint signals[SIGNAL_LAST];
typedef struct {
GCancellable * cancellable;
ShellNetworkAgent *self;
gchar *request_id;
NMConnection *connection;
gchar *setting_name;
gchar **hints;
NMSecretAgentGetSecretsFlags flags;
NMSecretAgentOldGetSecretsFunc callback;
gpointer callback_data;
GVariantDict *entries;
} ShellAgentRequest;
struct _ShellNetworkAgentPrivate {
/* <gchar *request_id, ShellAgentRequest *request> */
GHashTable *requests;
};
G_DEFINE_TYPE_WITH_PRIVATE (ShellNetworkAgent, shell_network_agent, NM_TYPE_SECRET_AGENT_OLD)
static const SecretSchema network_agent_schema = {
"org.freedesktop.NetworkManager.Connection",
SECRET_SCHEMA_DONT_MATCH_NAME,
{
{ SHELL_KEYRING_UUID_TAG, SECRET_SCHEMA_ATTRIBUTE_STRING },
{ SHELL_KEYRING_SN_TAG, SECRET_SCHEMA_ATTRIBUTE_STRING },
{ SHELL_KEYRING_SK_TAG, SECRET_SCHEMA_ATTRIBUTE_STRING },
{ NULL, 0 },
}
};
static void
shell_agent_request_free (gpointer data)
{
ShellAgentRequest *request = data;
g_cancellable_cancel (request->cancellable);
g_object_unref (request->cancellable);
g_object_unref (request->self);
g_object_unref (request->connection);
g_free (request->setting_name);
g_strfreev (request->hints);
g_clear_pointer (&request->entries, g_variant_dict_unref);
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_OLD (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)
{
ShellNetworkAgentPrivate *priv;
priv = agent->priv = shell_network_agent_get_instance_private (agent);
priv->requests = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, shell_agent_request_free);
}
static void
shell_network_agent_finalize (GObject *object)
{
ShellNetworkAgentPrivate *priv = SHELL_NETWORK_AGENT (object)->priv;
GError *error;
GHashTableIter iter;
gpointer key;
gpointer value;
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_AGENT_CANCELED,
"The secret agent is going away");
g_hash_table_iter_init (&iter, priv->requests);
while (g_hash_table_iter_next (&iter, &key, &value))
{
ShellAgentRequest *request = value;
request->callback (NM_SECRET_AGENT_OLD (object),
request->connection,
NULL, error,
request->callback_data);
}
g_hash_table_destroy (priv->requests);
g_error_free (error);
G_OBJECT_CLASS (shell_network_agent_parent_class)->finalize (object);
}
static void
request_secrets_from_ui (ShellAgentRequest *request)
{
g_signal_emit (request->self, signals[SIGNAL_NEW_REQUEST], 0,
request->request_id,
request->connection,
request->setting_name,
request->hints,
(int)request->flags);
}
static void
check_always_ask_cb (NMSetting *setting,
const gchar *key,
const GValue *value,
GParamFlags flags,
gpointer user_data)
{
gboolean *always_ask = user_data;
NMSettingSecretFlags secret_flags = NM_SETTING_SECRET_FLAG_NONE;
if (flags & NM_SETTING_PARAM_SECRET)
{
if (nm_setting_get_secret_flags (setting, key, &secret_flags, NULL))
{
if (secret_flags & NM_SETTING_SECRET_FLAG_NOT_SAVED)
*always_ask = TRUE;
}
}
}
static gboolean
has_always_ask (NMSetting *setting)
{
gboolean always_ask = FALSE;
nm_setting_enumerate_values (setting, check_always_ask_cb, &always_ask);
return always_ask;
}
static gboolean
is_connection_always_ask (NMConnection *connection)
{
NMSettingConnection *s_con;
const gchar *ctype;
NMSetting *setting;
/* For the given connection type, check if the secrets for that connection
* are always-ask or not.
*/
s_con = (NMSettingConnection *) nm_connection_get_setting (connection, NM_TYPE_SETTING_CONNECTION);
g_assert (s_con);
ctype = nm_setting_connection_get_connection_type (s_con);
setting = nm_connection_get_setting_by_name (connection, ctype);
g_return_val_if_fail (setting != NULL, FALSE);
if (has_always_ask (setting))
return TRUE;
/* Try type-specific settings too; be a bit paranoid and only consider
* secrets from settings relevant to the connection type.
*/
if (NM_IS_SETTING_WIRELESS (setting))
{
setting = nm_connection_get_setting (connection, NM_TYPE_SETTING_WIRELESS_SECURITY);
if (setting && has_always_ask (setting))
return TRUE;
setting = nm_connection_get_setting (connection, NM_TYPE_SETTING_802_1X);
if (setting && has_always_ask (setting))
return TRUE;
}
else if (NM_IS_SETTING_WIRED (setting))
{
setting = nm_connection_get_setting (connection, NM_TYPE_SETTING_PPPOE);
if (setting && has_always_ask (setting))
return TRUE;
setting = nm_connection_get_setting (connection, NM_TYPE_SETTING_802_1X);
if (setting && has_always_ask (setting))
return TRUE;
}
return FALSE;
}
static void
get_secrets_keyring_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
ShellAgentRequest *closure;
ShellNetworkAgent *self;
ShellNetworkAgentPrivate *priv;
GError *secret_error = NULL;
GError *error = NULL;
GList *items;
GList *l;
gboolean secrets_found = FALSE;
GVariantBuilder builder_setting, builder_connection;
GVariant *setting;
items = secret_service_search_finish (NULL, result, &secret_error);
if (g_error_matches (secret_error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
g_error_free (secret_error);
return;
}
closure = user_data;
self = closure->self;
priv = self->priv;
if (secret_error != NULL)
{
g_set_error (&error,
NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_FAILED,
"Internal error while retrieving secrets from the keyring (%s)", secret_error->message);
g_error_free (secret_error);
closure->callback (NM_SECRET_AGENT_OLD (closure->self), closure->connection, NULL, error, closure->callback_data);
goto out;
}
g_variant_builder_init (&builder_setting, NM_VARIANT_TYPE_SETTING);
for (l = items; l; l = g_list_next (l))
{
SecretItem *item = l->data;
GHashTable *attributes;
GHashTableIter iter;
const gchar *name, *attribute;
SecretValue *secret = secret_item_get_secret (item);
/* This can happen if the user denied a request to unlock */
if (secret == NULL)
continue;
attributes = secret_item_get_attributes (item);
g_hash_table_iter_init (&iter, attributes);
while (g_hash_table_iter_next (&iter, (gpointer *)&name, (gpointer *)&attribute))
{
if (g_strcmp0 (name, SHELL_KEYRING_SK_TAG) == 0)
{
g_variant_builder_add (&builder_setting, "{sv}", attribute,
g_variant_new_string (secret_value_get (secret, NULL)));
secrets_found = TRUE;
break;
}
}
g_hash_table_unref (attributes);
secret_value_unref (secret);
}
g_list_free_full (items, g_object_unref);
setting = g_variant_builder_end (&builder_setting);
/* All VPN requests get sent to the VPN's auth dialog, since it knows better
* than the agent about what secrets are required. Otherwise, if no secrets
* were found and interaction is allowed the ask for some secrets, because
* NetworkManager will fail the connection if not secrets are returned
* instead of asking again with REQUEST_NEW.
*/
if (strcmp(closure->setting_name, NM_SETTING_VPN_SETTING_NAME) == 0 ||
(!secrets_found && (closure->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION)))
{
nm_connection_update_secrets (closure->connection, closure->setting_name,
setting, NULL);
closure->entries = g_variant_dict_new (setting);
request_secrets_from_ui (closure);
return;
}
g_variant_builder_init (&builder_connection, NM_VARIANT_TYPE_CONNECTION);
g_variant_builder_add (&builder_connection, "{s@a{sv}}",
closure->setting_name, setting);
closure->callback (NM_SECRET_AGENT_OLD (closure->self), closure->connection,
g_variant_builder_end (&builder_connection), NULL,
closure->callback_data);
out:
g_hash_table_remove (priv->requests, closure->request_id);
g_clear_error (&error);
}
static void
shell_network_agent_get_secrets (NMSecretAgentOld *agent,
NMConnection *connection,
const gchar *connection_path,
const gchar *setting_name,
const gchar **hints,
NMSecretAgentGetSecretsFlags flags,
NMSecretAgentOldGetSecretsFunc callback,
gpointer callback_data)
{
ShellNetworkAgent *self = SHELL_NETWORK_AGENT (agent);
ShellAgentRequest *request;
GHashTable *attributes;
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);
}
request = g_slice_new0 (ShellAgentRequest);
request->self = g_object_ref (self);
request->cancellable = g_cancellable_new ();
request->connection = g_object_ref (connection);
request->setting_name = g_strdup (setting_name);
request->hints = g_strdupv ((gchar **)hints);
request->flags = flags;
request->callback = callback;
request->callback_data = callback_data;
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) ||
((flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION)
&& is_connection_always_ask (request->connection)))
{
request->entries = g_variant_dict_new (NULL);
request_secrets_from_ui (request);
return;
}
attributes = secret_attributes_build (&network_agent_schema,
SHELL_KEYRING_UUID_TAG, nm_connection_get_uuid (connection),
SHELL_KEYRING_SN_TAG, setting_name,
NULL);
secret_service_search (NULL, &network_agent_schema, attributes,
SECRET_SEARCH_ALL | SECRET_SEARCH_UNLOCK | SECRET_SEARCH_LOAD_SECRETS,
request->cancellable, get_secrets_keyring_cb, request);
g_hash_table_unref (attributes);
}
void
shell_network_agent_set_password (ShellNetworkAgent *self,
gchar *request_id,
gchar *setting_key,
gchar *setting_value)
{
ShellNetworkAgentPrivate *priv;
ShellAgentRequest *request;
g_return_if_fail (SHELL_IS_NETWORK_AGENT (self));
priv = self->priv;
request = g_hash_table_lookup (priv->requests, request_id);
g_return_if_fail (request != NULL);
g_variant_dict_insert (request->entries, setting_key, "s", setting_value);
}
void
shell_network_agent_respond (ShellNetworkAgent *self,
gchar *request_id,
ShellNetworkAgentResponse response)
{
ShellNetworkAgentPrivate *priv;
ShellAgentRequest *request;
GVariantBuilder builder_connection;
GVariant *setting;
g_return_if_fail (SHELL_IS_NETWORK_AGENT (self));
priv = self->priv;
request = g_hash_table_lookup (priv->requests, request_id);
g_return_if_fail (request != NULL);
if (response == SHELL_NETWORK_AGENT_USER_CANCELED)
{
GError *error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_USER_CANCELED,
"Network dialog was canceled by the user");
request->callback (NM_SECRET_AGENT_OLD (self), request->connection, NULL, error, request->callback_data);
g_error_free (error);
g_hash_table_remove (priv->requests, request_id);
return;
}
if (response == SHELL_NETWORK_AGENT_INTERNAL_ERROR)
{
GError *error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_FAILED,
"An internal error occurred while processing the request.");
request->callback (NM_SECRET_AGENT_OLD (self), request->connection, NULL, error, request->callback_data);
g_error_free (error);
g_hash_table_remove (priv->requests, request_id);
return;
}
/* response == SHELL_NETWORK_AGENT_CONFIRMED */
setting = g_variant_dict_end (request->entries);
/* Save any updated secrets */
if ((request->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_ALLOW_INTERACTION) ||
(request->flags & NM_SECRET_AGENT_GET_SECRETS_FLAG_REQUEST_NEW))
{
NMConnection *dup = nm_simple_connection_new_clone (request->connection);
nm_connection_update_secrets (dup, request->setting_name, setting, NULL);
nm_secret_agent_old_save_secrets (NM_SECRET_AGENT_OLD (self), dup, NULL, NULL);
g_object_unref (dup);
}
g_variant_builder_init (&builder_connection, NM_VARIANT_TYPE_CONNECTION);
g_variant_builder_add (&builder_connection, "{s@a{sv}}",
request->setting_name, setting);
request->callback (NM_SECRET_AGENT_OLD (self), request->connection,
g_variant_builder_end (&builder_connection), NULL,
request->callback_data);
g_hash_table_remove (priv->requests, request_id);
}
static void
shell_network_agent_cancel_get_secrets (NMSecretAgentOld *agent,
const gchar *connection_path,
const gchar *setting_name)
{
ShellNetworkAgent *self = SHELL_NETWORK_AGENT (agent);
ShellNetworkAgentPrivate *priv = self->priv;
gchar *request_id;
ShellAgentRequest *request;
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.
*/
return;
}
shell_agent_request_cancel (request);
}
/************************* saving of secrets ****************************************/
static GHashTable *
create_keyring_add_attr_list (NMConnection *connection,
const gchar *connection_uuid,
const gchar *connection_id,
const gchar *setting_name,
const gchar *setting_key,
gchar **out_display_name)
{
NMSettingConnection *s_con;
if (connection)
{
s_con = (NMSettingConnection *) nm_connection_get_setting (connection, NM_TYPE_SETTING_CONNECTION);
g_return_val_if_fail (s_con != NULL, NULL);
connection_uuid = nm_setting_connection_get_uuid (s_con);
connection_id = nm_setting_connection_get_id (s_con);
}
g_return_val_if_fail (connection_uuid != NULL, NULL);
g_return_val_if_fail (connection_id != NULL, NULL);
g_return_val_if_fail (setting_name != NULL, NULL);
g_return_val_if_fail (setting_key != NULL, NULL);
if (out_display_name)
{
*out_display_name = g_strdup_printf ("Network secret for %s/%s/%s",
connection_id,
setting_name,
setting_key);
}
return secret_attributes_build (&network_agent_schema,
SHELL_KEYRING_UUID_TAG, connection_uuid,
SHELL_KEYRING_SN_TAG, setting_name,
SHELL_KEYRING_SK_TAG, setting_key,
NULL);
}
typedef struct
{
/* Sort of ref count, indicates the number of secrets we still need to save */
gint n_secrets;
NMSecretAgentOld *self;
NMConnection *connection;
gpointer callback;
gpointer callback_data;
} KeyringRequest;
static void
keyring_request_free (KeyringRequest *r)
{
g_object_unref (r->self);
g_object_unref (r->connection);
g_slice_free (KeyringRequest, r);
}
static void
save_secret_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
KeyringRequest *call = user_data;
NMSecretAgentOldSaveSecretsFunc callback = call->callback;
call->n_secrets--;
if (call->n_secrets == 0)
{
if (callback)
callback (call->self, call->connection, NULL, call->callback_data);
keyring_request_free (call);
}
}
static void
save_one_secret (KeyringRequest *r,
NMSetting *setting,
const gchar *key,
const gchar *secret,
const gchar *display_name)
{
GHashTable *attrs;
gchar *alt_display_name = NULL;
const gchar *setting_name;
NMSettingSecretFlags secret_flags = NM_SETTING_SECRET_FLAG_NONE;
/* Only save agent-owned secrets (not system-owned or always-ask) */
nm_setting_get_secret_flags (setting, key, &secret_flags, NULL);
if (secret_flags != NM_SETTING_SECRET_FLAG_AGENT_OWNED)
return;
setting_name = nm_setting_get_name (setting);
g_assert (setting_name);
attrs = create_keyring_add_attr_list (r->connection, NULL, NULL,
setting_name,
key,
display_name ? NULL : &alt_display_name);
g_assert (attrs);
r->n_secrets++;
secret_password_storev (&network_agent_schema, attrs, SECRET_COLLECTION_DEFAULT,
display_name ? display_name : alt_display_name,
secret, NULL, save_secret_cb, r);
g_hash_table_unref (attrs);
g_free (alt_display_name);
}
static void
vpn_secret_iter_cb (const gchar *key,
const gchar *secret,
gpointer user_data)
{
KeyringRequest *r = user_data;
NMSetting *setting;
const gchar *service_name, *id;
gchar *display_name;
if (secret && strlen (secret))
{
setting = nm_connection_get_setting (r->connection, NM_TYPE_SETTING_VPN);
g_assert (setting);
service_name = nm_setting_vpn_get_service_type (NM_SETTING_VPN (setting));
g_assert (service_name);
id = nm_connection_get_id (r->connection);
g_assert (id);
display_name = g_strdup_printf ("VPN %s secret for %s/%s/" NM_SETTING_VPN_SETTING_NAME,
key,
id,
service_name);
save_one_secret (r, setting, key, secret, display_name);
g_free (display_name);
}
}
static void
write_one_secret_to_keyring (NMSetting *setting,
const gchar *key,
const GValue *value,
GParamFlags flags,
gpointer user_data)
{
KeyringRequest *r = user_data;
const gchar *secret;
/* Non-secrets obviously don't get saved in the keyring */
if (!(flags & NM_SETTING_PARAM_SECRET))
return;
if (NM_IS_SETTING_VPN (setting) && (g_strcmp0 (key, NM_SETTING_VPN_SECRETS) == 0))
{
/* Process VPN secrets specially since it's a hash of secrets, not just one */
nm_setting_vpn_foreach_secret (NM_SETTING_VPN (setting),
vpn_secret_iter_cb,
r);
}
else
{
if (!G_VALUE_HOLDS_STRING (value))
return;
secret = g_value_get_string (value);
if (secret && strlen (secret))
save_one_secret (r, setting, key, secret, NULL);
}
}
static void
save_delete_cb (NMSecretAgentOld *agent,
NMConnection *connection,
GError *error,
gpointer user_data)
{
KeyringRequest *r = user_data;
/* Ignore errors; now save all new secrets */
nm_connection_for_each_setting_value (connection, write_one_secret_to_keyring, r);
/* If no secrets actually got saved there may be nothing to do so
* try to complete the request here. If there were secrets to save the
* request will get completed when those keyring calls return (at the next
* mainloop iteration).
*/
if (r->n_secrets == 0)
{
if (r->callback)
((NMSecretAgentOldSaveSecretsFunc)r->callback) (agent, connection, NULL, r->callback_data);
keyring_request_free (r);
}
}
static void
shell_network_agent_save_secrets (NMSecretAgentOld *agent,
NMConnection *connection,
const gchar *connection_path,
NMSecretAgentOldSaveSecretsFunc callback,
gpointer callback_data)
{
KeyringRequest *r;
r = g_slice_new (KeyringRequest);
r->n_secrets = 0;
r->self = g_object_ref (agent);
r->connection = g_object_ref (connection);
r->callback = callback;
r->callback_data = callback_data;
/* First delete any existing items in the keyring */
nm_secret_agent_old_delete_secrets (agent, connection, save_delete_cb, r);
}
static void
delete_items_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
KeyringRequest *r = user_data;
GError *secret_error = NULL;
GError *error = NULL;
NMSecretAgentOldDeleteSecretsFunc callback = r->callback;
secret_password_clear_finish (result, &secret_error);
if (secret_error != NULL)
{
error = g_error_new (NM_SECRET_AGENT_ERROR,
NM_SECRET_AGENT_ERROR_FAILED,
"The request could not be completed. Keyring result: %s",
secret_error->message);
g_error_free (secret_error);
}
callback (r->self, r->connection, error, r->callback_data);
g_clear_error (&error);
keyring_request_free (r);
}
static void
shell_network_agent_delete_secrets (NMSecretAgentOld *agent,
NMConnection *connection,
const gchar *connection_path,
NMSecretAgentOldDeleteSecretsFunc callback,
gpointer callback_data)
{
KeyringRequest *r;
NMSettingConnection *s_con;
const gchar *uuid;
r = g_slice_new (KeyringRequest);
r->n_secrets = 0; /* ignored by delete secrets calls */
r->self = g_object_ref (agent);
r->connection = g_object_ref (connection);
r->callback = callback;
r->callback_data = callback_data;
s_con = (NMSettingConnection *) nm_connection_get_setting (connection, NM_TYPE_SETTING_CONNECTION);
g_assert (s_con);
uuid = nm_setting_connection_get_uuid (s_con);
g_assert (uuid);
secret_password_clear (&network_agent_schema, NULL, delete_items_cb, r,
SHELL_KEYRING_UUID_TAG, uuid,
NULL);
}
void
shell_network_agent_class_init (ShellNetworkAgentClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
NMSecretAgentOldClass *agent_class = NM_SECRET_AGENT_OLD_CLASS (klass);
gobject_class->finalize = shell_network_agent_finalize;
agent_class->get_secrets = shell_network_agent_get_secrets;
agent_class->cancel_get_secrets = shell_network_agent_cancel_get_secrets;
agent_class->save_secrets = shell_network_agent_save_secrets;
agent_class->delete_secrets = shell_network_agent_delete_secrets;
signals[SIGNAL_NEW_REQUEST] = g_signal_new ("new-request",
G_TYPE_FROM_CLASS (klass),
0, /* flags */
0, /* class offset */
NULL, /* accumulator */
NULL, /* accu_data */
NULL, /* marshaller */
G_TYPE_NONE, /* return */
5, /* n_params */
G_TYPE_STRING,
NM_TYPE_CONNECTION,
G_TYPE_STRING,
G_TYPE_STRV,
G_TYPE_INT);
signals[SIGNAL_CANCEL_REQUEST] = g_signal_new ("cancel-request",
G_TYPE_FROM_CLASS (klass),
0, /* flags */
0, /* class offset */
NULL, /* accumulator */
NULL, /* accu_data */
NULL, /* marshaller */
G_TYPE_NONE,
1, /* n_params */
G_TYPE_STRING);
}
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