/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $FreeBSD$
*/
/*
* wlandebug [-i interface] flags
* (default interface is wlan.0).
*/
#include <sys/types.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <getopt.h>
#include <string.h>
#include <err.h>
#include <libifconfig.h>
#define N(a) (sizeof(a)/sizeof(a[0]))
const char *progname;
#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */
#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */
#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */
#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */
#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */
#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */
#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */
#define IEEE80211_MSG_NODE 0x01000000 /* node handling */
#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */
#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */
#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */
#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */
#define IEEE80211_MSG_STATE 0x00080000 /* state machine */
#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */
#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */
#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */
#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */
#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */
#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */
#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */
#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */
#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */
#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */
#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */
#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */
#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */
#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */
#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */
#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */
#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */
#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */
static struct {
const char *name;
u_int bit;
} flags[] = {
{ "11n", IEEE80211_MSG_11N },
{ "debug", IEEE80211_MSG_DEBUG },
{ "dumppkts", IEEE80211_MSG_DUMPPKTS },
{ "crypto", IEEE80211_MSG_CRYPTO },
{ "input", IEEE80211_MSG_INPUT },
{ "xrate", IEEE80211_MSG_XRATE },
{ "elemid", IEEE80211_MSG_ELEMID },
{ "node", IEEE80211_MSG_NODE },
{ "assoc", IEEE80211_MSG_ASSOC },
{ "auth", IEEE80211_MSG_AUTH },
{ "scan", IEEE80211_MSG_SCAN },
{ "output", IEEE80211_MSG_OUTPUT },
{ "state", IEEE80211_MSG_STATE },
{ "power", IEEE80211_MSG_POWER },
{ "hwmp", IEEE80211_MSG_HWMP },
{ "dot1xsm", IEEE80211_MSG_DOT1XSM },
{ "radius", IEEE80211_MSG_RADIUS },
{ "raddump", IEEE80211_MSG_RADDUMP },
{ "mesh", IEEE80211_MSG_MESH },
{ "wpa", IEEE80211_MSG_WPA },
{ "acl", IEEE80211_MSG_ACL },
{ "wme", IEEE80211_MSG_WME },
{ "superg", IEEE80211_MSG_SUPERG },
{ "doth", IEEE80211_MSG_DOTH },
{ "inact", IEEE80211_MSG_INACT },
{ "roam", IEEE80211_MSG_ROAM },
{ "rate", IEEE80211_MSG_RATECTL },
{ "action", IEEE80211_MSG_ACTION },
{ "wds", IEEE80211_MSG_WDS },
{ "ioctl", IEEE80211_MSG_IOCTL },
{ "tdma", IEEE80211_MSG_TDMA },
};
static u_int
getflag(const char *name, int len)
{
int i;
for (i = 0; i < N(flags); i++)
if (strncasecmp(flags[i].name, name, len) == 0)
return flags[i].bit;
return 0;
}
static void
usage(void)
{
int i;
fprintf(stderr, "usage: %s [-d | -i device] [flags]\n", progname);
fprintf(stderr, "where flags are:\n");
for (i = 0; i < N(flags); i++)
printf("%s\n", flags[i].name);
exit(-1);
}
static void
setoid(char oid[], size_t oidlen, const char *wlan)
{
#ifdef __linux__
if (wlan)
snprintf(oid, oidlen, "net.%s.debug", wlan);
#elif __FreeBSD__
if (wlan)
snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4);
else
snprintf(oid, oidlen, "net.wlan.debug");
#elif __NetBSD__
if (wlan)
snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan);
else
snprintf(oid, oidlen, "net.link.ieee80211.debug");
#else
#error "No support for this system"
#endif
}
static void
get_orig_iface_name(char *oid, size_t oid_size, char *name)
{
struct ifconfig_handle *h;
char *orig_name;
h = ifconfig_open();
if (ifconfig_get_orig_name(h, name, &orig_name) < 0) {
/* check for original interface name. */
orig_name = name;
}
if (strlen(orig_name) < strlen("wlan") + 1 ||
strncmp(orig_name, "wlan", 4) != 0)
errx(1, "expecting a wlan interface name");
ifconfig_close(h);
setoid(oid, oid_size, orig_name);
if (orig_name != name)
free(orig_name);
}
int
main(int argc, char *argv[])
{
const char *cp, *tp;
const char *sep;
int op, i;
u_int32_t debug, ndebug;
size_t debuglen;
char oid[256];
progname = argv[0];
setoid(oid, sizeof(oid), "wlan0");
if (argc > 1) {
if (strcmp(argv[1], "-d") == 0) {
setoid(oid, sizeof(oid), NULL);
argc -= 1, argv += 1;
} else if (strcmp(argv[1], "-i") == 0) {
if (argc <= 2)
errx(1, "missing interface name for -i option");
get_orig_iface_name(oid, sizeof(oid), argv[2]);
argc -= 2, argv += 2;
} else if (strcmp(argv[1], "-?") == 0)
usage();
}
debuglen = sizeof(debug);
if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0)
err(1, "sysctl-get(%s)", oid);
ndebug = debug;
for (; argc > 1; argc--, argv++) {
cp = argv[1];
do {
u_int bit;
if (*cp == '-') {
cp++;
op = -1;
} else if (*cp == '+') {
cp++;
op = 1;
} else
op = 0;
for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';)
tp++;
bit = getflag(cp, tp-cp);
if (op < 0)
ndebug &= ~bit;
else if (op > 0)
ndebug |= bit;
else {
if (bit == 0) {
int c = *cp;
if (isdigit(c))
bit = strtoul(cp, NULL, 0);
else
errx(1, "unknown flag %.*s",
(int)(tp-cp), cp);
}
ndebug = bit;
}
} while (*(cp = tp) != '\0');
}
if (debug != ndebug) {
printf("%s: 0x%x => ", oid, debug);
if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0)
err(1, "sysctl-set(%s)", oid);
printf("0x%x", ndebug);
debug = ndebug;
} else
printf("%s: 0x%x", oid, debug);
sep = "<";
for (i = 0; i < N(flags); i++)
if (debug & flags[i].bit) {
printf("%s%s", sep, flags[i].name);
sep = ",";
}
printf("%s\n", *sep != '<' ? ">" : "");
return 0;
}
