wlandebug.c revision 170534
1153317Ssam/*- 2153317Ssam * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting 3153317Ssam * All rights reserved. 4153317Ssam * 5153317Ssam * Redistribution and use in source and binary forms, with or without 6153317Ssam * modification, are permitted provided that the following conditions 7153317Ssam * are met: 8153317Ssam * 1. Redistributions of source code must retain the above copyright 9153317Ssam * notice, this list of conditions and the following disclaimer, 10153317Ssam * without modification. 11153317Ssam * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12153317Ssam * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13153317Ssam * redistribution must be conditioned upon including a substantially 14153317Ssam * similar Disclaimer requirement for further binary redistribution. 15153317Ssam * 3. Neither the names of the above-listed copyright holders nor the names 16153317Ssam * of any contributors may be used to endorse or promote products derived 17153317Ssam * from this software without specific prior written permission. 18153317Ssam * 19153317Ssam * Alternatively, this software may be distributed under the terms of the 20153317Ssam * GNU General Public License ("GPL") version 2 as published by the Free 21153317Ssam * Software Foundation. 22153317Ssam * 23153317Ssam * NO WARRANTY 24153317Ssam * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25153317Ssam * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26153317Ssam * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 27153317Ssam * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 28153317Ssam * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 29153317Ssam * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30153317Ssam * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31153317Ssam * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 32153317Ssam * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33153317Ssam * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 34153317Ssam * THE POSSIBILITY OF SUCH DAMAGES. 35153317Ssam * 36153317Ssam * $FreeBSD: head/usr.sbin/wlandebug/wlandebug.c 170534 2007-06-11 04:05:15Z sam $ 37153317Ssam */ 38153317Ssam 39153317Ssam/* 40153317Ssam * wlandebug [-i interface] flags 41153317Ssam * (default interface is wlan.0). 42153317Ssam */ 43153317Ssam#include <sys/types.h> 44153317Ssam 45153317Ssam#include <stdio.h> 46170534Ssam#include <stdlib.h> 47153317Ssam#include <ctype.h> 48153317Ssam#include <getopt.h> 49153317Ssam#include <string.h> 50170534Ssam#include <err.h> 51153317Ssam 52153317Ssam#define N(a) (sizeof(a)/sizeof(a[0])) 53153317Ssam 54153317Ssamconst char *progname; 55153317Ssam 56170534Ssam#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 57153317Ssam#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 58153317Ssam#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 59153317Ssam#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 60153317Ssam#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 61153317Ssam#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 62153317Ssam#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 63153317Ssam#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 64153317Ssam#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 65153317Ssam#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 66153317Ssam#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 67153317Ssam#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 68153317Ssam#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 69153317Ssam#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 70153317Ssam#define IEEE80211_MSG_DOT1X 0x00020000 /* 802.1x authenticator */ 71153317Ssam#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 72153317Ssam#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 73153317Ssam#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 74153317Ssam#define IEEE80211_MSG_RADKEYS 0x00002000 /* dump 802.1x keys */ 75153317Ssam#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 76153317Ssam#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 77153317Ssam#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 78153317Ssam#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 79153317Ssam#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 80153317Ssam#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 81153317Ssam#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 82164635Ssam#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 83153317Ssam 84153317Ssamstatic struct { 85153317Ssam const char *name; 86153317Ssam u_int bit; 87153317Ssam} flags[] = { 88170534Ssam { "11n", IEEE80211_MSG_11N }, 89153317Ssam { "debug", IEEE80211_MSG_DEBUG }, 90153317Ssam { "dumppkts", IEEE80211_MSG_DUMPPKTS }, 91153317Ssam { "crypto", IEEE80211_MSG_CRYPTO }, 92153317Ssam { "input", IEEE80211_MSG_INPUT }, 93153317Ssam { "xrate", IEEE80211_MSG_XRATE }, 94153317Ssam { "elemid", IEEE80211_MSG_ELEMID }, 95153317Ssam { "node", IEEE80211_MSG_NODE }, 96153317Ssam { "assoc", IEEE80211_MSG_ASSOC }, 97153317Ssam { "auth", IEEE80211_MSG_AUTH }, 98153317Ssam { "scan", IEEE80211_MSG_SCAN }, 99153317Ssam { "output", IEEE80211_MSG_OUTPUT }, 100153317Ssam { "state", IEEE80211_MSG_STATE }, 101153317Ssam { "power", IEEE80211_MSG_POWER }, 102165963Ssam { "dot1x", IEEE80211_MSG_DOT1X }, 103153317Ssam { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 104153317Ssam { "radius", IEEE80211_MSG_RADIUS }, 105153317Ssam { "raddump", IEEE80211_MSG_RADDUMP }, 106153317Ssam { "radkeys", IEEE80211_MSG_RADKEYS }, 107153317Ssam { "wpa", IEEE80211_MSG_WPA }, 108153317Ssam { "acl", IEEE80211_MSG_ACL }, 109153317Ssam { "wme", IEEE80211_MSG_WME }, 110153317Ssam { "superg", IEEE80211_MSG_SUPERG }, 111153317Ssam { "doth", IEEE80211_MSG_DOTH }, 112153317Ssam { "inact", IEEE80211_MSG_INACT }, 113153317Ssam { "roam", IEEE80211_MSG_ROAM }, 114164635Ssam { "rate", IEEE80211_MSG_RATECTL }, 115153317Ssam}; 116153317Ssam 117153317Ssamstatic u_int 118153317Ssamgetflag(const char *name, int len) 119153317Ssam{ 120153317Ssam int i; 121153317Ssam 122153317Ssam for (i = 0; i < N(flags); i++) 123153317Ssam if (strncasecmp(flags[i].name, name, len) == 0) 124153317Ssam return flags[i].bit; 125153317Ssam return 0; 126153317Ssam} 127153317Ssam 128153317Ssamstatic const char * 129153317Ssamgetflagname(u_int flag) 130153317Ssam{ 131153317Ssam int i; 132153317Ssam 133153317Ssam for (i = 0; i < N(flags); i++) 134153317Ssam if (flags[i].bit == flag) 135153317Ssam return flags[i].name; 136153317Ssam return "???"; 137153317Ssam} 138153317Ssam 139153317Ssamstatic void 140153317Ssamusage(void) 141153317Ssam{ 142153317Ssam int i; 143153317Ssam 144153317Ssam fprintf(stderr, "usage: %s [-i device] [flags]\n", progname); 145153317Ssam fprintf(stderr, "where flags are:\n"); 146153317Ssam for (i = 0; i < N(flags); i++) 147153317Ssam printf("%s\n", flags[i].name); 148153317Ssam exit(-1); 149153317Ssam} 150153317Ssam 151153317Ssamint 152153317Ssammain(int argc, char *argv[]) 153153317Ssam{ 154153317Ssam const char *ifname = "ath0"; 155153317Ssam const char *cp, *tp; 156153317Ssam const char *sep; 157170534Ssam int op, i, unit; 158153317Ssam u_int32_t debug, ndebug; 159153317Ssam size_t debuglen, parentlen; 160153317Ssam char oid[256], parent[256]; 161153317Ssam 162153317Ssam progname = argv[0]; 163153317Ssam if (argc > 1) { 164153317Ssam if (strcmp(argv[1], "-i") == 0) { 165153317Ssam if (argc < 2) 166153317Ssam errx(1, "missing interface name for -i option"); 167153317Ssam ifname = argv[2]; 168153317Ssam argc -= 2, argv += 2; 169153317Ssam } else if (strcmp(argv[1], "-?") == 0) 170153317Ssam usage(); 171153317Ssam } 172153317Ssam 173153317Ssam for (unit = 0; unit < 10; unit++) { 174153317Ssam#ifdef __linux__ 175153317Ssam snprintf(oid, sizeof(oid), "net.wlan%d.%%parent", unit); 176153317Ssam#else 177153317Ssam snprintf(oid, sizeof(oid), "net.wlan.%d.%%parent", unit); 178153317Ssam#endif 179153317Ssam parentlen = sizeof(parent); 180170534Ssam if (sysctlbyname(oid, parent, &parentlen, NULL, 0) < 0) 181170534Ssam continue; 182170534Ssam if (strncmp(parent, ifname, parentlen) == 0) 183153317Ssam break; 184153317Ssam } 185153317Ssam if (unit == 10) 186153317Ssam errx(1, "%s: cannot locate wlan sysctl node.", ifname); 187153317Ssam#ifdef __linux__ 188153317Ssam snprintf(oid, sizeof(oid), "net.wlan%d.debug", unit); 189153317Ssam#else 190153317Ssam snprintf(oid, sizeof(oid), "net.wlan.%d.debug", unit); 191153317Ssam#endif 192153317Ssam debuglen = sizeof(debug); 193153317Ssam if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 194153317Ssam err(1, "sysctl-get(%s)", oid); 195153317Ssam ndebug = debug; 196153317Ssam for (; argc > 1; argc--, argv++) { 197153317Ssam cp = argv[1]; 198153317Ssam do { 199153317Ssam u_int bit; 200153317Ssam 201153317Ssam if (*cp == '-') { 202153317Ssam cp++; 203153317Ssam op = -1; 204153317Ssam } else if (*cp == '+') { 205153317Ssam cp++; 206153317Ssam op = 1; 207153317Ssam } else 208153317Ssam op = 0; 209153317Ssam for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 210153317Ssam tp++; 211153317Ssam bit = getflag(cp, tp-cp); 212153317Ssam if (op < 0) 213153317Ssam ndebug &= ~bit; 214153317Ssam else if (op > 0) 215153317Ssam ndebug |= bit; 216153317Ssam else { 217153317Ssam if (bit == 0) { 218170534Ssam int c = *cp; 219170534Ssam if (isdigit(c)) 220153317Ssam bit = strtoul(cp, NULL, 0); 221153317Ssam else 222153317Ssam errx(1, "unknown flag %.*s", 223170534Ssam (int)(tp-cp), cp); 224153317Ssam } 225153317Ssam ndebug = bit; 226153317Ssam } 227153317Ssam } while (*(cp = tp) != '\0'); 228153317Ssam } 229153317Ssam if (debug != ndebug) { 230153317Ssam printf("%s: 0x%x => ", oid, debug); 231153317Ssam if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 232153317Ssam err(1, "sysctl-set(%s)", oid); 233153317Ssam printf("0x%x", ndebug); 234153317Ssam debug = ndebug; 235153317Ssam } else 236153317Ssam printf("%s: 0x%x", oid, debug); 237153317Ssam sep = "<"; 238153317Ssam for (i = 0; i < N(flags); i++) 239153317Ssam if (debug & flags[i].bit) { 240153317Ssam printf("%s%s", sep, flags[i].name); 241153317Ssam sep = ","; 242153317Ssam } 243153317Ssam printf("%s\n", *sep != '<' ? ">" : ""); 244153317Ssam return 0; 245153317Ssam} 246