wlandebug.c revision 178359
1/*- 2 * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 3. Neither the names of the above-listed copyright holders nor the names 16 * of any contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * Alternatively, this software may be distributed under the terms of the 20 * GNU General Public License ("GPL") version 2 as published by the Free 21 * Software Foundation. 22 * 23 * NO WARRANTY 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 28 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 29 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 34 * THE POSSIBILITY OF SUCH DAMAGES. 35 * 36 * $FreeBSD: head/usr.sbin/wlandebug/wlandebug.c 178359 2008-04-20 20:41:47Z sam $ 37 */ 38 39/* 40 * wlandebug [-i interface] flags 41 * (default interface is wlan.0). 42 */ 43#include <sys/types.h> 44 45#include <stdio.h> 46#include <stdlib.h> 47#include <ctype.h> 48#include <getopt.h> 49#include <string.h> 50#include <err.h> 51 52#define N(a) (sizeof(a)/sizeof(a[0])) 53 54const char *progname; 55 56#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 57#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 58#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 59#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 60#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 61#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 62#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 63#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 64#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 65#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 66#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 67#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 68#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 69#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 70#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 71#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 72#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 73#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 74#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 75#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 76#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 77#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 78#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 79#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 80#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 81#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 82#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 83#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 84#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 85#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 86#define IEEE80211_MSG_ADDBA 0x00000002 /* ADDBA handling */ 87 88static struct { 89 const char *name; 90 u_int bit; 91} flags[] = { 92 { "11n", IEEE80211_MSG_11N }, 93 { "debug", IEEE80211_MSG_DEBUG }, 94 { "dumppkts", IEEE80211_MSG_DUMPPKTS }, 95 { "crypto", IEEE80211_MSG_CRYPTO }, 96 { "input", IEEE80211_MSG_INPUT }, 97 { "xrate", IEEE80211_MSG_XRATE }, 98 { "elemid", IEEE80211_MSG_ELEMID }, 99 { "node", IEEE80211_MSG_NODE }, 100 { "assoc", IEEE80211_MSG_ASSOC }, 101 { "auth", IEEE80211_MSG_AUTH }, 102 { "scan", IEEE80211_MSG_SCAN }, 103 { "output", IEEE80211_MSG_OUTPUT }, 104 { "state", IEEE80211_MSG_STATE }, 105 { "power", IEEE80211_MSG_POWER }, 106 { "dot1x", IEEE80211_MSG_DOT1X }, 107 { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 108 { "radius", IEEE80211_MSG_RADIUS }, 109 { "raddump", IEEE80211_MSG_RADDUMP }, 110 { "radkeys", IEEE80211_MSG_RADKEYS }, 111 { "wpa", IEEE80211_MSG_WPA }, 112 { "acl", IEEE80211_MSG_ACL }, 113 { "wme", IEEE80211_MSG_WME }, 114 { "superg", IEEE80211_MSG_SUPERG }, 115 { "doth", IEEE80211_MSG_DOTH }, 116 { "inact", IEEE80211_MSG_INACT }, 117 { "roam", IEEE80211_MSG_ROAM }, 118 { "rate", IEEE80211_MSG_RATECTL }, 119 { "action", IEEE80211_MSG_ACTION }, 120 { "wds", IEEE80211_MSG_WDS }, 121 { "ioctl", IEEE80211_MSG_IOCTL }, 122 { "addba", IEEE80211_MSG_ADDBA }, 123}; 124 125static u_int 126getflag(const char *name, int len) 127{ 128 int i; 129 130 for (i = 0; i < N(flags); i++) 131 if (strncasecmp(flags[i].name, name, len) == 0) 132 return flags[i].bit; 133 return 0; 134} 135 136static const char * 137getflagname(u_int flag) 138{ 139 int i; 140 141 for (i = 0; i < N(flags); i++) 142 if (flags[i].bit == flag) 143 return flags[i].name; 144 return "???"; 145} 146 147static void 148usage(void) 149{ 150 int i; 151 152 fprintf(stderr, "usage: %s [-i device] [flags]\n", progname); 153 fprintf(stderr, "where flags are:\n"); 154 for (i = 0; i < N(flags); i++) 155 printf("%s\n", flags[i].name); 156 exit(-1); 157} 158 159static void 160setoid(char oid[], size_t oidlen, const char *wlan) 161{ 162#ifdef __linux__ 163 snprintf(oid, oidlen, "net.%s.debug", wlan); 164#elif __FreeBSD__ 165 snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); 166#elif __NetBSD__ 167 snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan+4); 168#else 169#error "No support for this system" 170#endif 171} 172 173int 174main(int argc, char *argv[]) 175{ 176 const char *cp, *tp; 177 const char *sep; 178 int op, i, unit; 179 u_int32_t debug, ndebug; 180 size_t debuglen, parentlen; 181 char oid[256]; 182 183 progname = argv[0]; 184 setoid(oid, sizeof(oid), "wlan0"); 185 if (argc > 1) { 186 if (strcmp(argv[1], "-i") == 0) { 187 if (argc < 2) 188 errx(1, "missing interface name for -i option"); 189 if (strncmp(argv[2], "wlan", 4) != 0) 190 errx(1, "expecting a wlan interface name"); 191 setoid(oid, sizeof(oid), argv[2]); 192 argc -= 2, argv += 2; 193 } else if (strcmp(argv[1], "-?") == 0) 194 usage(); 195 } 196 197 debuglen = sizeof(debug); 198 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 199 err(1, "sysctl-get(%s)", oid); 200 ndebug = debug; 201 for (; argc > 1; argc--, argv++) { 202 cp = argv[1]; 203 do { 204 u_int bit; 205 206 if (*cp == '-') { 207 cp++; 208 op = -1; 209 } else if (*cp == '+') { 210 cp++; 211 op = 1; 212 } else 213 op = 0; 214 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 215 tp++; 216 bit = getflag(cp, tp-cp); 217 if (op < 0) 218 ndebug &= ~bit; 219 else if (op > 0) 220 ndebug |= bit; 221 else { 222 if (bit == 0) { 223 int c = *cp; 224 if (isdigit(c)) 225 bit = strtoul(cp, NULL, 0); 226 else 227 errx(1, "unknown flag %.*s", 228 (int)(tp-cp), cp); 229 } 230 ndebug = bit; 231 } 232 } while (*(cp = tp) != '\0'); 233 } 234 if (debug != ndebug) { 235 printf("%s: 0x%x => ", oid, debug); 236 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 237 err(1, "sysctl-set(%s)", oid); 238 printf("0x%x", ndebug); 239 debug = ndebug; 240 } else 241 printf("%s: 0x%x", oid, debug); 242 sep = "<"; 243 for (i = 0; i < N(flags); i++) 244 if (debug & flags[i].bit) { 245 printf("%s%s", sep, flags[i].name); 246 sep = ","; 247 } 248 printf("%s\n", *sep != '<' ? ">" : ""); 249 return 0; 250} 251