1153317Ssam/*- 2186904Ssam * Copyright (c) 2002-2009 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 * 16153317Ssam * NO WARRANTY 17153317Ssam * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18153317Ssam * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19153317Ssam * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20153317Ssam * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21153317Ssam * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22153317Ssam * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23153317Ssam * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24153317Ssam * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25153317Ssam * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26153317Ssam * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27153317Ssam * THE POSSIBILITY OF SUCH DAMAGES. 28153317Ssam * 29153317Ssam * $FreeBSD: releng/10.3/usr.sbin/wlandebug/wlandebug.c 195746 2009-07-17 21:11:08Z sam $ 30153317Ssam */ 31153317Ssam 32153317Ssam/* 33153317Ssam * wlandebug [-i interface] flags 34153317Ssam * (default interface is wlan.0). 35153317Ssam */ 36153317Ssam#include <sys/types.h> 37179398Ssam#include <sys/sysctl.h> 38153317Ssam 39153317Ssam#include <stdio.h> 40170534Ssam#include <stdlib.h> 41153317Ssam#include <ctype.h> 42153317Ssam#include <getopt.h> 43153317Ssam#include <string.h> 44170534Ssam#include <err.h> 45153317Ssam 46153317Ssam#define N(a) (sizeof(a)/sizeof(a[0])) 47153317Ssam 48153317Ssamconst char *progname; 49153317Ssam 50170534Ssam#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 51153317Ssam#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 52153317Ssam#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 53153317Ssam#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 54153317Ssam#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 55153317Ssam#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 56153317Ssam#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 57153317Ssam#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 58153317Ssam#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 59153317Ssam#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 60153317Ssam#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 61153317Ssam#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 62153317Ssam#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 63153317Ssam#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 64195746Ssam#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 65153317Ssam#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 66153317Ssam#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 67153317Ssam#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 68195746Ssam#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 69153317Ssam#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 70153317Ssam#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 71153317Ssam#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 72153317Ssam#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 73153317Ssam#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 74153317Ssam#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 75153317Ssam#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 76164635Ssam#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 77178359Ssam#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 78178359Ssam#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 79178359Ssam#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 80186904Ssam#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 81153317Ssam 82153317Ssamstatic struct { 83153317Ssam const char *name; 84153317Ssam u_int bit; 85153317Ssam} flags[] = { 86170534Ssam { "11n", IEEE80211_MSG_11N }, 87153317Ssam { "debug", IEEE80211_MSG_DEBUG }, 88153317Ssam { "dumppkts", IEEE80211_MSG_DUMPPKTS }, 89153317Ssam { "crypto", IEEE80211_MSG_CRYPTO }, 90153317Ssam { "input", IEEE80211_MSG_INPUT }, 91153317Ssam { "xrate", IEEE80211_MSG_XRATE }, 92153317Ssam { "elemid", IEEE80211_MSG_ELEMID }, 93153317Ssam { "node", IEEE80211_MSG_NODE }, 94153317Ssam { "assoc", IEEE80211_MSG_ASSOC }, 95153317Ssam { "auth", IEEE80211_MSG_AUTH }, 96153317Ssam { "scan", IEEE80211_MSG_SCAN }, 97153317Ssam { "output", IEEE80211_MSG_OUTPUT }, 98153317Ssam { "state", IEEE80211_MSG_STATE }, 99153317Ssam { "power", IEEE80211_MSG_POWER }, 100195746Ssam { "hwmp", IEEE80211_MSG_HWMP }, 101153317Ssam { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 102153317Ssam { "radius", IEEE80211_MSG_RADIUS }, 103153317Ssam { "raddump", IEEE80211_MSG_RADDUMP }, 104195746Ssam { "mesh", IEEE80211_MSG_MESH }, 105153317Ssam { "wpa", IEEE80211_MSG_WPA }, 106153317Ssam { "acl", IEEE80211_MSG_ACL }, 107153317Ssam { "wme", IEEE80211_MSG_WME }, 108153317Ssam { "superg", IEEE80211_MSG_SUPERG }, 109153317Ssam { "doth", IEEE80211_MSG_DOTH }, 110153317Ssam { "inact", IEEE80211_MSG_INACT }, 111153317Ssam { "roam", IEEE80211_MSG_ROAM }, 112164635Ssam { "rate", IEEE80211_MSG_RATECTL }, 113178359Ssam { "action", IEEE80211_MSG_ACTION }, 114178359Ssam { "wds", IEEE80211_MSG_WDS }, 115178359Ssam { "ioctl", IEEE80211_MSG_IOCTL }, 116186904Ssam { "tdma", IEEE80211_MSG_TDMA }, 117153317Ssam}; 118153317Ssam 119153317Ssamstatic u_int 120153317Ssamgetflag(const char *name, int len) 121153317Ssam{ 122153317Ssam int i; 123153317Ssam 124153317Ssam for (i = 0; i < N(flags); i++) 125153317Ssam if (strncasecmp(flags[i].name, name, len) == 0) 126153317Ssam return flags[i].bit; 127153317Ssam return 0; 128153317Ssam} 129153317Ssam 130153317Ssamstatic void 131153317Ssamusage(void) 132153317Ssam{ 133153317Ssam int i; 134153317Ssam 135179121Sthompsa fprintf(stderr, "usage: %s [-d | -i device] [flags]\n", progname); 136153317Ssam fprintf(stderr, "where flags are:\n"); 137153317Ssam for (i = 0; i < N(flags); i++) 138153317Ssam printf("%s\n", flags[i].name); 139153317Ssam exit(-1); 140153317Ssam} 141153317Ssam 142178359Ssamstatic void 143178359Ssamsetoid(char oid[], size_t oidlen, const char *wlan) 144178359Ssam{ 145178359Ssam#ifdef __linux__ 146179121Sthompsa if (wlan) 147179121Sthompsa snprintf(oid, oidlen, "net.%s.debug", wlan); 148178359Ssam#elif __FreeBSD__ 149179121Sthompsa if (wlan) 150179121Sthompsa snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); 151179121Sthompsa else 152179121Sthompsa snprintf(oid, oidlen, "net.wlan.debug"); 153178359Ssam#elif __NetBSD__ 154179121Sthompsa if (wlan) 155179398Ssam snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan); 156179121Sthompsa else 157179121Sthompsa snprintf(oid, oidlen, "net.link.ieee80211.debug"); 158178359Ssam#else 159178359Ssam#error "No support for this system" 160178359Ssam#endif 161178359Ssam} 162178359Ssam 163153317Ssamint 164153317Ssammain(int argc, char *argv[]) 165153317Ssam{ 166153317Ssam const char *cp, *tp; 167153317Ssam const char *sep; 168179398Ssam int op, i; 169153317Ssam u_int32_t debug, ndebug; 170179398Ssam size_t debuglen; 171178359Ssam char oid[256]; 172153317Ssam 173153317Ssam progname = argv[0]; 174178359Ssam setoid(oid, sizeof(oid), "wlan0"); 175153317Ssam if (argc > 1) { 176179121Sthompsa if (strcmp(argv[1], "-d") == 0) { 177179121Sthompsa setoid(oid, sizeof(oid), NULL); 178179121Sthompsa argc -= 1, argv += 1; 179179121Sthompsa } else if (strcmp(argv[1], "-i") == 0) { 180153317Ssam if (argc < 2) 181153317Ssam errx(1, "missing interface name for -i option"); 182178359Ssam if (strncmp(argv[2], "wlan", 4) != 0) 183178359Ssam errx(1, "expecting a wlan interface name"); 184178359Ssam setoid(oid, sizeof(oid), argv[2]); 185153317Ssam argc -= 2, argv += 2; 186153317Ssam } else if (strcmp(argv[1], "-?") == 0) 187153317Ssam usage(); 188153317Ssam } 189153317Ssam 190153317Ssam debuglen = sizeof(debug); 191153317Ssam if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 192153317Ssam err(1, "sysctl-get(%s)", oid); 193153317Ssam ndebug = debug; 194153317Ssam for (; argc > 1; argc--, argv++) { 195153317Ssam cp = argv[1]; 196153317Ssam do { 197153317Ssam u_int bit; 198153317Ssam 199153317Ssam if (*cp == '-') { 200153317Ssam cp++; 201153317Ssam op = -1; 202153317Ssam } else if (*cp == '+') { 203153317Ssam cp++; 204153317Ssam op = 1; 205153317Ssam } else 206153317Ssam op = 0; 207153317Ssam for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 208153317Ssam tp++; 209153317Ssam bit = getflag(cp, tp-cp); 210153317Ssam if (op < 0) 211153317Ssam ndebug &= ~bit; 212153317Ssam else if (op > 0) 213153317Ssam ndebug |= bit; 214153317Ssam else { 215153317Ssam if (bit == 0) { 216170534Ssam int c = *cp; 217170534Ssam if (isdigit(c)) 218153317Ssam bit = strtoul(cp, NULL, 0); 219153317Ssam else 220153317Ssam errx(1, "unknown flag %.*s", 221170534Ssam (int)(tp-cp), cp); 222153317Ssam } 223153317Ssam ndebug = bit; 224153317Ssam } 225153317Ssam } while (*(cp = tp) != '\0'); 226153317Ssam } 227153317Ssam if (debug != ndebug) { 228153317Ssam printf("%s: 0x%x => ", oid, debug); 229153317Ssam if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 230153317Ssam err(1, "sysctl-set(%s)", oid); 231153317Ssam printf("0x%x", ndebug); 232153317Ssam debug = ndebug; 233153317Ssam } else 234153317Ssam printf("%s: 0x%x", oid, debug); 235153317Ssam sep = "<"; 236153317Ssam for (i = 0; i < N(flags); i++) 237153317Ssam if (debug & flags[i].bit) { 238153317Ssam printf("%s%s", sep, flags[i].name); 239153317Ssam sep = ","; 240153317Ssam } 241153317Ssam printf("%s\n", *sep != '<' ? ">" : ""); 242153317Ssam return 0; 243153317Ssam} 244