freebsd-dev/usr.sbin/wlandebug/wlandebug.c
Pedro F. Giffuni 1de7b4b805 various: general adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.
2017-11-27 15:37:16 +00:00

268 lines
7.9 KiB
C

/*-
* 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 <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;
}