[iwmgmt] Add wireless management commands and text for common errors
Add commands `iwstat' (to list 802.11-specific status information for 802.11 devices) and `iwlist' (to scan for available networks and print a list along with security information). Signed-off-by: Marty Connor <mdc@etherboot.org>
This commit is contained in:
Joshua Oreman
Marty Connor
parent
dd8a3e2e70
commit
1327a787eb
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@ -204,6 +204,7 @@ REQUIRE_OBJECT ( config_cmd );
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#ifdef IFMGMT_CMD
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REQUIRE_OBJECT ( ifmgmt_cmd );
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#endif
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/* IWMGMT_CMD is brought in by net80211.c if requested */
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#ifdef ROUTE_CMD
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REQUIRE_OBJECT ( route_cmd );
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#endif
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@ -0,0 +1,33 @@
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <config/general.h>
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/** @file
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*
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* 802.11 configuration options
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*
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*/
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/*
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* Drag in 802.11-specific commands
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*
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*/
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#ifdef IWMGMT_CMD
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REQUIRE_OBJECT ( iwmgmt_cmd );
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#endif
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/*
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* Drag in 802.11 error message tables
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*
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*/
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#ifdef ERRMSG_80211
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REQUIRE_OBJECT ( wireless_errors );
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#endif
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@ -99,6 +99,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
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#define NVO_CMD /* Non-volatile option storage commands */
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#define CONFIG_CMD /* Option configuration console */
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#define IFMGMT_CMD /* Interface management commands */
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#define IWMGMT_CMD /* Wireless interface management commands */
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#define ROUTE_CMD /* Routing table management commands */
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#define IMAGE_CMD /* Image management commands */
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#define DHCP_CMD /* DHCP management commands */
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@ -108,6 +109,12 @@ FILE_LICENCE ( GPL2_OR_LATER );
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#undef DIGEST_CMD /* Image crypto digest commands */
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//#undef PXE_CMD /* PXE commands */
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/*
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* Error message tables to include
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*
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*/
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#undef ERRMSG_80211 /* All 802.11 error descriptions (~3.3kb) */
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/*
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* Obscure configuration options
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*
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@ -0,0 +1,69 @@
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/*
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* Copyright (C) 2009 Joshua Oreman <oremanj@rwcr.net>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <gpxe/netdevice.h>
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#include <gpxe/net80211.h>
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#include <gpxe/command.h>
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#include <usr/iwmgmt.h>
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#include <hci/ifmgmt_cmd.h>
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/* "iwstat" command */
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static int iwstat_payload ( struct net_device *netdev ) {
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struct net80211_device *dev = net80211_get ( netdev );
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if ( dev )
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iwstat ( dev );
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return 0;
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}
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static int iwstat_exec ( int argc, char **argv ) {
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return ifcommon_exec ( argc, argv,
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iwstat_payload, "Display wireless status of" );
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}
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/* "iwlist" command */
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static int iwlist_payload ( struct net_device *netdev ) {
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struct net80211_device *dev = net80211_get ( netdev );
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if ( dev )
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return iwlist ( dev );
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return 0;
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}
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static int iwlist_exec ( int argc, char **argv ) {
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return ifcommon_exec ( argc, argv, iwlist_payload,
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"List wireless networks available via" );
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}
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/** Wireless interface management commands */
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struct command iwmgmt_commands[] __command = {
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{
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.name = "iwstat",
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.exec = iwstat_exec,
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},
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{
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.name = "iwlist",
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.exec = iwlist_exec,
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},
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};
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@ -0,0 +1,118 @@
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/*
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* Copyright (C) 2009 Joshua Oreman <oremanj@rwcr.net>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <errno.h>
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#include <gpxe/errortab.h>
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/* Record errors as though they come from the 802.11 stack */
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#undef ERRFILE
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#define ERRFILE ERRFILE_net80211
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/** All 802.11 errors
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*
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* These follow the 802.11 standard as much as is feasible, but most
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* have been abbreviated to fit the 50-character limit imposed by
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* strerror.
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*/
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struct errortab wireless_errors[] __errortab = {
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/* gPXE 802.11 stack errors */
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{ EINVAL | EUNIQ_01, "Packet too short" },
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{ EINVAL | EUNIQ_02, "Packet 802.11 version not supported" },
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{ EINVAL | EUNIQ_03, "Packet not a data packet" },
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{ EINVAL | EUNIQ_04, "Packet not from an Access Point" },
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{ EINVAL | EUNIQ_05, "Packet has invalid LLC header" },
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{ EINVAL | EUNIQ_06, "Packet decryption error", },
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{ EINVAL | EUNIQ_07, "Invalid active scan requested" },
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/* 802.11 status codes (IEEE Std 802.11-2007, Table 7-23) */
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/* Maximum error length: 50 chars | */
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{ ECONNREFUSED | EUNIQ_01, "Unspecified failure" },
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{ ECONNREFUSED | EUNIQ_0A, "Cannot support all requested capabilities" },
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{ ECONNREFUSED | EUNIQ_0B, "Reassociation denied due to lack of association" },
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{ ECONNREFUSED | EUNIQ_0C, "Association denied for another reason" },
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{ ECONNREFUSED | EUNIQ_0D, "Authentication algorithm unsupported" },
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{ ECONNREFUSED | EUNIQ_0E, "Authentication sequence number unexpected" },
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{ ECONNREFUSED | EUNIQ_0F, "Authentication rejected due to challenge failure" },
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{ ECONNREFUSED | EUNIQ_10, "Authentication rejected due to timeout" },
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{ ECONNREFUSED | EUNIQ_11, "Association denied because AP is out of resources" },
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{ ECONNREFUSED | EUNIQ_12, "Association denied; basic rate support required" },
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{ ECONNREFUSED | EUNIQ_13, "Association denied; short preamble support req'd" },
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{ ECONNREFUSED | EUNIQ_14, "Association denied; PBCC modulation support req'd" },
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{ ECONNREFUSED | EUNIQ_15, "Association denied; Channel Agility support req'd" },
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{ ECONNREFUSED | EUNIQ_16, "Association denied; Spectrum Management required" },
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{ ECONNREFUSED | EUNIQ_17, "Association denied; Power Capability unacceptable" },
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{ ECONNREFUSED | EUNIQ_18, "Association denied; Supported Channels unacceptable" },
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{ ECONNREFUSED | EUNIQ_19, "Association denied; Short Slot Tume support req'd" },
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{ ECONNREFUSED | EUNIQ_1A, "Association denied; DSSS-OFDM support required" },
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{ EHOSTUNREACH, "Unspecified, QoS-related failure" },
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{ EHOSTUNREACH | EUNIQ_01, "Association denied; QoS AP out of QoS resources" },
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{ EHOSTUNREACH | EUNIQ_02, "Association denied due to excessively poor link" },
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{ EHOSTUNREACH | EUNIQ_03, "Association denied; QoS support required" },
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{ EHOSTUNREACH | EUNIQ_05, "The request has been declined" },
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{ EHOSTUNREACH | EUNIQ_06, "Request unsuccessful due to invalid parameters" },
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{ EHOSTUNREACH | EUNIQ_07, "TS not created due to bad specification" },
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{ EHOSTUNREACH | EUNIQ_08, "Invalid information element" },
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{ EHOSTUNREACH | EUNIQ_09, "Invalid group cipher" },
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{ EHOSTUNREACH | EUNIQ_0A, "Invalid pairwise cipher" },
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{ EHOSTUNREACH | EUNIQ_0B, "Invalid AKMP" },
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{ EHOSTUNREACH | EUNIQ_0C, "Unsupported RSN information element version" },
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{ EHOSTUNREACH | EUNIQ_0D, "Invalid RSN information element capabilities" },
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{ EHOSTUNREACH | EUNIQ_0E, "Cipher suite rejected because of security policy" },
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{ EHOSTUNREACH | EUNIQ_0F, "TS not created due to insufficient delay" },
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{ EHOSTUNREACH | EUNIQ_10, "Direct link is not allowed in the BSS by policy" },
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{ EHOSTUNREACH | EUNIQ_11, "The Destination STA is not present within the BSS" },
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{ EHOSTUNREACH | EUNIQ_12, "The Destination STA is not a QoS STA" },
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{ EHOSTUNREACH | EUNIQ_13, "Association denied; Listen Interval is too large" },
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/* 802.11 reason codes (IEEE Std 802.11-2007, Table 7-22) */
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/* Maximum error length: 50 chars | */
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{ ECONNRESET | EUNIQ_01, "Unspecified reason" },
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{ ECONNRESET | EUNIQ_02, "Previous authentication no longer valid" },
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{ ECONNRESET | EUNIQ_03, "Deauthenticated due to leaving network" },
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{ ECONNRESET | EUNIQ_04, "Disassociated due to inactivity" },
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{ ECONNRESET | EUNIQ_05, "Disassociated because AP is out of resources" },
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{ ECONNRESET | EUNIQ_06, "Class 2 frame received from nonauthenticated STA" },
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{ ECONNRESET | EUNIQ_07, "Class 3 frame received from nonassociated STA" },
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{ ECONNRESET | EUNIQ_08, "Disassociated due to roaming" },
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{ ECONNRESET | EUNIQ_09, "STA requesting (re)association not authenticated" },
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{ ECONNRESET | EUNIQ_0A, "Disassociated; Power Capability unacceptable" },
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{ ECONNRESET | EUNIQ_0B, "Disassociated; Supported Channels unacceptable" },
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{ ECONNRESET | EUNIQ_0D, "Invalid information element" },
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{ ECONNRESET | EUNIQ_0E, "Message integrity code (MIC) failure" },
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{ ECONNRESET | EUNIQ_0F, "4-Way Handshake timeout" },
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{ ECONNRESET | EUNIQ_10, "Group Key Handshake timeout" },
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{ ECONNRESET | EUNIQ_11, "4-Way Handshake information element changed unduly" },
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{ ECONNRESET | EUNIQ_12, "Invalid group cipher" },
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{ ECONNRESET | EUNIQ_13, "Invalid pairwise cipher" },
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{ ECONNRESET | EUNIQ_14, "Invalid AKMP" },
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{ ECONNRESET | EUNIQ_15, "Unsupported RSN information element version" },
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{ ECONNRESET | EUNIQ_16, "Invalid RSN information element capabilities" },
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{ ECONNRESET | EUNIQ_17, "IEEE 802.1X authentication failed" },
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{ ECONNRESET | EUNIQ_18, "Cipher suite rejected because of security policy" },
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{ ENETRESET, "Disassociated for unspecified, QoS-related reason" },
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{ ENETRESET | EUNIQ_01, "Disassociated; QoS AP is out of QoS resources" },
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{ ENETRESET | EUNIQ_02, "Disassociated due to excessively poor link" },
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{ ENETRESET | EUNIQ_03, "Disassociated due to TXOP limit violation" },
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{ ENETRESET | EUNIQ_04, "Requested; STA is leaving the BSS (or resetting)" },
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{ ENETRESET | EUNIQ_05, "Requested; does not want to use the mechanism" },
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{ ENETRESET | EUNIQ_06, "Requested; setup is required" },
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{ ENETRESET | EUNIQ_07, "Requested from peer STA due to timeout" },
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{ ENETRESET | EUNIQ_0D, "Peer STA does not support requested cipher suite" },
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};
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@ -192,6 +192,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
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#define ERRFILE_x509 ( ERRFILE_OTHER | 0x00160000 )
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#define ERRFILE_login_ui ( ERRFILE_OTHER | 0x00170000 )
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#define ERRFILE_ib_srpboot ( ERRFILE_OTHER | 0x00180000 )
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#define ERRFILE_iwmgmt ( ERRFILE_OTHER | 0x00190000 )
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/** @} */
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@ -0,0 +1,17 @@
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#ifndef _USR_IWMGMT_H
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#define _USR_IWMGMT_H
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/** @file
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*
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* Wireless network interface management
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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struct net80211_device;
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extern void iwstat ( struct net80211_device *dev );
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extern int iwlist ( struct net80211_device *dev );
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#endif /* _USR_IWMGMT_H */
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@ -0,0 +1,244 @@
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/*
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* Copyright (C) 2009 Joshua Oreman <oremanj@rwcr.net>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
|
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdio.h>
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#include <console.h>
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#include <string.h>
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#include <errno.h>
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#include <gpxe/net80211.h>
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#include <gpxe/ethernet.h>
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#include <usr/ifmgmt.h>
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#include <usr/iwmgmt.h>
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#include <gpxe/errortab.h>
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/** @file
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*
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* Wireless network interface management
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*
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*/
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/**
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* Print status of 802.11 device
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*
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* @v dev 802.11 device
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*/
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void iwstat ( struct net80211_device *dev ) {
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ifstat ( dev->netdev );
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printf ( " [802.11 ");
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if ( dev->state & NET80211_ASSOCIATED ) {
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printf ( "SSID '%s', ", dev->essid );
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} else {
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printf ( "not associated, " );
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}
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if ( dev->channel < dev->nr_channels && dev->rate < dev->nr_rates ) {
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printf ( "Ch:%d Sig:%d", dev->channels[dev->channel].channel_nr,
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dev->last_signal );
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switch ( dev->hw->signal_type ) {
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case NET80211_SIGNAL_NONE:
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printf ( "?" );
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break;
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case NET80211_SIGNAL_ARBITRARY:
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printf ( "/%d", dev->hw->signal_max );
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break;
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case NET80211_SIGNAL_DB:
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printf ( "/%d dB", dev->hw->signal_max );
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break;
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case NET80211_SIGNAL_DBM:
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printf ( " dBm" );
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break;
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}
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printf ( ", Qual:%d%% Rate:%d Mbps]\n",
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( dev->rx_beacon_interval == 0 ? 0 :
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100 * dev->tx_beacon_interval /
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dev->rx_beacon_interval ),
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dev->rates[dev->rate] / 10 );
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} else {
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printf ( "antenna off]\n" );
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}
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if ( dev->state & NET80211_WORKING ) {
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printf ( " [associating" );
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if ( dev->associating )
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printf ( " to '%s'", dev->associating->essid );
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printf ( "...]\n" );
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}
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}
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/** Identifiers for 802.11 cryptography types, indexed by type number */
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static const char *crypto_types[] = {
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[NET80211_CRYPT_NONE] = "Open",
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[NET80211_CRYPT_WEP] = "WEP ",
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[NET80211_CRYPT_TKIP] = "WPA ",
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[NET80211_CRYPT_CCMP] = "WPA2",
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[NET80211_CRYPT_UNKNOWN] = "UNK ",
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};
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/** Number of 802.11 cryptography types defined */
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#define NR_CRYPTO_TYPES ( sizeof ( crypto_types ) / sizeof ( crypto_types[0] ) )
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/** Identifiers for 802.11 authentication types, indexed by type number */
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static const char *auth_types[] = {
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[NET80211_SECPROT_NONE] = "",
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[NET80211_SECPROT_PSK] = "PSK",
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[NET80211_SECPROT_EAP] = "802.1X",
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[NET80211_SECPROT_UNKNOWN] = "UNK",
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};
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/** Number of 802.11 authentication types defined */
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#define NR_AUTH_TYPES ( sizeof ( auth_types ) / sizeof ( auth_types[0] ) )
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/**
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* Scan for wireless networks using 802.11 device
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*
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* @v dev 802.11 device
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* @v active Whether to use active scanning
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*
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* The list of networks found will be printed in tabular format.
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*
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* This function is safe to call at all times, whether the 802.11
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* device is open or not, but if called while the auto-association
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* task is running it will return an error indication.
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*/
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int iwlist ( struct net80211_device *dev ) {
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struct net80211_probe_ctx *ctx;
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struct list_head *networks;
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struct net80211_wlan *wlan;
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char ssid_buf[22];
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int rc;
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unsigned i;
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int was_opened = dev->netdev->state & NETDEV_OPEN;
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int was_channel = dev->channels[dev->channel].channel_nr;
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if ( ! was_opened ) {
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dev->state |= NET80211_NO_ASSOC;
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rc = netdev_open ( dev->netdev );
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if ( rc < 0 )
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||||
goto err;
|
||||
}
|
||||
|
||||
if ( dev->state & NET80211_WORKING ) {
|
||||
rc = -EINVAL;
|
||||
goto err_close_netdev;
|
||||
}
|
||||
|
||||
if ( ! was_opened ) {
|
||||
rc = net80211_prepare_probe ( dev, dev->hw->bands, 0 );
|
||||
if ( rc < 0 )
|
||||
goto err_close_netdev;
|
||||
}
|
||||
|
||||
ctx = net80211_probe_start ( dev, "", 0 );
|
||||
if ( ! ctx ) {
|
||||
rc = -ENOMEM;
|
||||
goto err_close_netdev;
|
||||
}
|
||||
|
||||
while ( ! ( rc = net80211_probe_step ( ctx ) ) ) {
|
||||
step();
|
||||
}
|
||||
|
||||
networks = net80211_probe_finish_all ( ctx );
|
||||
|
||||
if ( list_empty ( networks ) ) {
|
||||
goto err_free_networks;
|
||||
}
|
||||
|
||||
rc = 0;
|
||||
|
||||
printf ( "Networks on %s:\n\n", dev->netdev->name );
|
||||
|
||||
/* Output format:
|
||||
* 0 1 2 3 4 5 6
|
||||
* 0123456789012345678901234567890123456789012345678901234567890
|
||||
* [Sig] SSID BSSID Ch Crypt/Auth
|
||||
* -------------------------------------------------------------
|
||||
* [ 15] abcdefghijklmnopqrst> 00:00:00:00:00:00 11 Open
|
||||
* ... or WPA PSK etc.
|
||||
*/
|
||||
|
||||
/* Quoting the dashes and spaces verbatim uses less code space
|
||||
than generating them programmatically. */
|
||||
printf ( "[Sig] SSID BSSID Ch Crypt/Auth\n"
|
||||
"-------------------------------------------------------------\n" );
|
||||
|
||||
list_for_each_entry ( wlan, networks, list ) {
|
||||
|
||||
/* Format SSID into 22-character string, space-padded,
|
||||
with '>' indicating truncation */
|
||||
|
||||
snprintf ( ssid_buf, sizeof ( ssid_buf ), "%s", wlan->essid );
|
||||
for ( i = strlen ( ssid_buf ); i < sizeof ( ssid_buf ) - 1;
|
||||
i++ )
|
||||
ssid_buf[i] = ' ';
|
||||
if ( ssid_buf[sizeof ( ssid_buf ) - 2] != ' ' )
|
||||
ssid_buf[sizeof ( ssid_buf ) - 2] = '>';
|
||||
ssid_buf[sizeof ( ssid_buf ) - 1] = 0;
|
||||
|
||||
/* Sanity check */
|
||||
if ( wlan->crypto >= NR_CRYPTO_TYPES ||
|
||||
wlan->handshaking >= NR_AUTH_TYPES )
|
||||
continue;
|
||||
|
||||
printf ( "[%3d] %s %s %2d %s %s\n",
|
||||
wlan->signal < 0 ? 100 + wlan->signal : wlan->signal,
|
||||
ssid_buf, eth_ntoa ( wlan->bssid ), wlan->channel,
|
||||
crypto_types[wlan->crypto],
|
||||
auth_types[wlan->handshaking] );
|
||||
}
|
||||
printf ( "\n" );
|
||||
|
||||
err_free_networks:
|
||||
net80211_free_wlanlist ( networks );
|
||||
|
||||
err_close_netdev:
|
||||
if ( ! was_opened ) {
|
||||
dev->state &= ~NET80211_NO_ASSOC;
|
||||
netdev_close ( dev->netdev );
|
||||
} else {
|
||||
net80211_change_channel ( dev, was_channel );
|
||||
}
|
||||
|
||||
if ( ! rc )
|
||||
return 0;
|
||||
|
||||
err:
|
||||
printf ( "Scanning for networks on %s: %s\n",
|
||||
dev->netdev->name, strerror ( rc ) );
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/* Record error codes as though they come from the 802.11 stack */
|
||||
#undef ERRFILE
|
||||
#define ERRFILE ERRFILE_net80211
|
||||
|
||||
/** Common 802.11 errors */
|
||||
struct errortab common_wireless_errors[] __errortab = {
|
||||
{ EINVAL | EUNIQ_06, "Packet decryption error" },
|
||||
{ ECONNRESET | EUNIQ_01, "Unspecified reason" },
|
||||
{ ECONNRESET | EUNIQ_04, "Disassociated due to inactivity" },
|
||||
{ ECONNRESET | EUNIQ_0F, "4-Way Handshake timeout" },
|
||||
{ ECONNRESET | EUNIQ_17, "IEEE 802.1X authentication failed" },
|
||||
{ ECONNREFUSED | EUNIQ_01, "Unspecified failure" },
|
||||
{ ECONNREFUSED | EUNIQ_0C, "Association denied" },
|
||||
{ ECONNREFUSED | EUNIQ_0D, "Authentication method not supported" },
|
||||
};
|
||||
Reference in New Issue