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