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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* mbimcli -- Command line interface to control MBIM devices
*
* Copyright (C) 2021 Aleksander Morgado <aleksander@aleksander.es>
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <gio/gio.h>
#include <libmbim-glib.h>
#include "mbimcli.h"
#include "mbimcli-helpers.h"
/* Options */
static gchar *link_list_str;
static gchar *link_add_str;
static gchar *link_delete_str;
static gchar *link_delete_all_str;
static GOptionEntry entries[] = {
{ "link-list", 0, 0, G_OPTION_ARG_STRING, &link_list_str,
"List links created from a given interface",
"[IFACE]"
},
{ "link-add", 0, 0, G_OPTION_ARG_STRING, &link_add_str,
"Create new network interface link",
"[iface=IFACE,prefix=PREFIX[,session-id=N]]"
},
{ "link-delete", 0, 0, G_OPTION_ARG_STRING, &link_delete_str,
"Delete a given network interface link",
"IFACE"
},
{ "link-delete-all", 0, 0, G_OPTION_ARG_STRING, &link_delete_all_str,
"Delete all network interface links from the given interface",
"[IFACE]"
},
{ NULL }
};
GOptionGroup *
mbimcli_link_management_get_option_group (void)
{
GOptionGroup *group;
group = g_option_group_new ("link-management",
"Link management options:",
"Show link management specific options",
NULL, NULL);
g_option_group_add_entries (group, entries);
return group;
}
gboolean
mbimcli_link_management_options_enabled (void)
{
static guint n_actions = 0;
static gboolean checked = FALSE;
if (checked)
return !!n_actions;
n_actions = (!!link_list_str +
!!link_add_str +
!!link_delete_str +
!!link_delete_all_str);
if (n_actions > 1) {
g_printerr ("error: too many link management actions requested\n");
exit (EXIT_FAILURE);
}
checked = TRUE;
return !!n_actions;
}
/******************************************************************************/
static void
link_delete_all_ready (MbimDevice *dev,
GAsyncResult *res)
{
g_autoptr(GError) error = NULL;
if (!mbim_device_delete_all_links_finish (dev, res, &error))
g_printerr ("error: couldn't delete all links: %s\n", error->message);
else
g_print ("[%s] all links successfully deleted\n",
mbim_device_get_path_display (dev));
mbimcli_async_operation_done (!error);
}
static void
device_link_delete_all (MbimDevice *dev,
GCancellable *cancellable,
const gchar *iface)
{
mbim_device_delete_all_links (dev,
iface,
cancellable,
(GAsyncReadyCallback)link_delete_all_ready,
NULL);
}
/******************************************************************************/
static void
link_delete_ready (MbimDevice *dev,
GAsyncResult *res)
{
g_autoptr(GError) error = NULL;
if (!mbim_device_delete_link_finish (dev, res, &error))
g_printerr ("error: couldn't delete link: %s\n",
error->message);
else
g_print ("[%s] link successfully deleted\n",
mbim_device_get_path_display (dev));
mbimcli_async_operation_done (!error);
}
static void
device_link_delete (MbimDevice *dev,
GCancellable *cancellable,
const gchar *link_iface)
{
mbim_device_delete_link (dev,
link_iface,
cancellable,
(GAsyncReadyCallback)link_delete_ready,
NULL);
}
typedef struct {
guint session_id;
gchar *iface;
gchar *prefix;
} AddLinkProperties;
static void
link_add_ready (MbimDevice *dev,
GAsyncResult *res)
{
g_autoptr(GError) error = NULL;
g_autofree gchar *link_iface = NULL;
guint session_id;
link_iface = mbim_device_add_link_finish (dev, res, &session_id, &error);
if (!link_iface)
g_printerr ("error: couldn't add link: %s\n",
error->message);
else
g_print ("[%s] link successfully added:\n"
" iface name: %s\n"
" session id: %u\n",
mbim_device_get_path_display (dev),
link_iface,
session_id);
mbimcli_async_operation_done (!error);
}
static gboolean
add_link_properties_handle (const gchar *key,
const gchar *value,
GError **error,
AddLinkProperties *props)
{
if (g_ascii_strcasecmp (key, "session-id") == 0 && props->session_id == MBIM_DEVICE_SESSION_ID_AUTOMATIC) {
if (!mbimcli_read_uint_from_string (value, &props->session_id)) {
g_set_error (error, MBIM_CORE_ERROR, MBIM_CORE_ERROR_FAILED,
"invalid session-id given: '%s'", value);
return FALSE;
}
return TRUE;
}
if (g_ascii_strcasecmp (key, "iface") == 0 && !props->iface) {
props->iface = g_strdup (value);
return TRUE;
}
if (g_ascii_strcasecmp (key, "prefix") == 0 && !props->prefix) {
props->prefix = g_strdup (value);
return TRUE;
}
g_set_error (error, MBIM_CORE_ERROR, MBIM_CORE_ERROR_FAILED,
"unrecognized or duplicate option '%s'", key);
return FALSE;
}
static void
device_link_add (MbimDevice *dev,
GCancellable *cancellable,
const gchar *add_settings)
{
g_autoptr(GError) error = NULL;
AddLinkProperties props = {
.session_id = MBIM_DEVICE_SESSION_ID_AUTOMATIC,
.iface = NULL,
.prefix = NULL,
};
if (!mbimcli_parse_key_value_string (add_settings,
&error,
(MbimParseKeyValueForeachFn)add_link_properties_handle,
&props)) {
g_printerr ("error: couldn't parse input add link settings: %s\n",
error->message);
mbimcli_async_operation_done (FALSE);
return;
}
if (!props.iface) {
g_printerr ("error: missing mandatory 'iface' setting\n");
mbimcli_async_operation_done (FALSE);
return;
}
if (!props.prefix)
props.prefix = g_strdup_printf ("%s.", props.iface);
if ((props.session_id != MBIM_DEVICE_SESSION_ID_AUTOMATIC) &&
(props.session_id > MBIM_DEVICE_SESSION_ID_MAX)) {
g_printerr ("error: session id %u out of range [%u,%u]\n",
props.session_id, MBIM_DEVICE_SESSION_ID_MIN, MBIM_DEVICE_SESSION_ID_MAX);
mbimcli_async_operation_done (FALSE);
return;
}
mbim_device_add_link (dev,
props.session_id,
props.iface,
props.prefix,
cancellable,
(GAsyncReadyCallback)link_add_ready,
NULL);
g_free (props.iface);
g_free (props.prefix);
}
static void
device_link_list (MbimDevice *dev,
GCancellable *cancellable,
const gchar *iface)
{
g_autoptr(GError) error = NULL;
g_autoptr(GPtrArray) links = NULL;
if (!mbim_device_list_links (dev, iface, &links, &error))
g_printerr ("error: couldn't list links: %s\n", error->message);
else {
guint i;
guint n_links;
n_links = (links ? links->len : 0);
g_print ("[%s] found %u links%s\n",
mbim_device_get_path_display (dev),
n_links,
n_links > 0 ? ":" : "");
for (i = 0; i < n_links; i++)
g_print (" [%u] %s\n", i, (const gchar *) g_ptr_array_index (links, i));
}
mbimcli_async_operation_done (!error);
}
/******************************************************************************/
/* Common */
void
mbimcli_link_management_run (MbimDevice *dev,
GCancellable *cancellable)
{
if (link_list_str)
device_link_list (dev, cancellable, link_list_str);
else if (link_add_str)
device_link_add (dev, cancellable, link_add_str);
else if (link_delete_str)
device_link_delete (dev, cancellable, link_delete_str);
else if (link_delete_all_str)
device_link_delete_all (dev, cancellable, link_delete_all_str);
else
g_warn_if_reached ();
}
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