1153317Ssam/*- 2330449Seadler * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3330449Seadler * 4186904Ssam * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 5153317Ssam * All rights reserved. 6153317Ssam * 7153317Ssam * Redistribution and use in source and binary forms, with or without 8153317Ssam * modification, are permitted provided that the following conditions 9153317Ssam * are met: 10153317Ssam * 1. Redistributions of source code must retain the above copyright 11153317Ssam * notice, this list of conditions and the following disclaimer, 12153317Ssam * without modification. 13153317Ssam * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14153317Ssam * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 15153317Ssam * redistribution must be conditioned upon including a substantially 16153317Ssam * similar Disclaimer requirement for further binary redistribution. 17153317Ssam * 18153317Ssam * NO WARRANTY 19153317Ssam * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20153317Ssam * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21153317Ssam * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 22153317Ssam * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 23153317Ssam * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 24153317Ssam * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25153317Ssam * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26153317Ssam * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27153317Ssam * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28153317Ssam * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29153317Ssam * THE POSSIBILITY OF SUCH DAMAGES. 30153317Ssam * 31153317Ssam * $FreeBSD: stable/11/usr.sbin/wlandebug/wlandebug.c 330449 2018-03-05 07:26:05Z eadler $ 32153317Ssam */ 33153317Ssam 34153317Ssam/* 35153317Ssam * wlandebug [-i interface] flags 36153317Ssam * (default interface is wlan.0). 37153317Ssam */ 38153317Ssam#include <sys/types.h> 39179398Ssam#include <sys/sysctl.h> 40153317Ssam 41153317Ssam#include <stdio.h> 42170534Ssam#include <stdlib.h> 43153317Ssam#include <ctype.h> 44153317Ssam#include <getopt.h> 45153317Ssam#include <string.h> 46170534Ssam#include <err.h> 47153317Ssam 48153317Ssam#define N(a) (sizeof(a)/sizeof(a[0])) 49153317Ssam 50153317Ssamconst char *progname; 51153317Ssam 52170534Ssam#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 53153317Ssam#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 54153317Ssam#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 55153317Ssam#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 56153317Ssam#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 57153317Ssam#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 58153317Ssam#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 59153317Ssam#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 60153317Ssam#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 61153317Ssam#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 62153317Ssam#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 63153317Ssam#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 64153317Ssam#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 65153317Ssam#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 66195746Ssam#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 67153317Ssam#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 68153317Ssam#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 69153317Ssam#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 70195746Ssam#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 71153317Ssam#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 72153317Ssam#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 73153317Ssam#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 74153317Ssam#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 75153317Ssam#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 76153317Ssam#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 77153317Ssam#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 78164635Ssam#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 79178359Ssam#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 80178359Ssam#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 81178359Ssam#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 82186904Ssam#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 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 }, 102195746Ssam { "hwmp", IEEE80211_MSG_HWMP }, 103153317Ssam { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 104153317Ssam { "radius", IEEE80211_MSG_RADIUS }, 105153317Ssam { "raddump", IEEE80211_MSG_RADDUMP }, 106195746Ssam { "mesh", IEEE80211_MSG_MESH }, 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 }, 115178359Ssam { "action", IEEE80211_MSG_ACTION }, 116178359Ssam { "wds", IEEE80211_MSG_WDS }, 117178359Ssam { "ioctl", IEEE80211_MSG_IOCTL }, 118186904Ssam { "tdma", IEEE80211_MSG_TDMA }, 119153317Ssam}; 120153317Ssam 121153317Ssamstatic u_int 122153317Ssamgetflag(const char *name, int len) 123153317Ssam{ 124153317Ssam int i; 125153317Ssam 126153317Ssam for (i = 0; i < N(flags); i++) 127153317Ssam if (strncasecmp(flags[i].name, name, len) == 0) 128153317Ssam return flags[i].bit; 129153317Ssam return 0; 130153317Ssam} 131153317Ssam 132153317Ssamstatic void 133153317Ssamusage(void) 134153317Ssam{ 135153317Ssam int i; 136153317Ssam 137179121Sthompsa fprintf(stderr, "usage: %s [-d | -i device] [flags]\n", progname); 138153317Ssam fprintf(stderr, "where flags are:\n"); 139153317Ssam for (i = 0; i < N(flags); i++) 140153317Ssam printf("%s\n", flags[i].name); 141153317Ssam exit(-1); 142153317Ssam} 143153317Ssam 144178359Ssamstatic void 145178359Ssamsetoid(char oid[], size_t oidlen, const char *wlan) 146178359Ssam{ 147178359Ssam#ifdef __linux__ 148179121Sthompsa if (wlan) 149179121Sthompsa snprintf(oid, oidlen, "net.%s.debug", wlan); 150178359Ssam#elif __FreeBSD__ 151179121Sthompsa if (wlan) 152179121Sthompsa snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); 153179121Sthompsa else 154179121Sthompsa snprintf(oid, oidlen, "net.wlan.debug"); 155178359Ssam#elif __NetBSD__ 156179121Sthompsa if (wlan) 157179398Ssam snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan); 158179121Sthompsa else 159179121Sthompsa snprintf(oid, oidlen, "net.link.ieee80211.debug"); 160178359Ssam#else 161178359Ssam#error "No support for this system" 162178359Ssam#endif 163178359Ssam} 164178359Ssam 165153317Ssamint 166153317Ssammain(int argc, char *argv[]) 167153317Ssam{ 168153317Ssam const char *cp, *tp; 169153317Ssam const char *sep; 170179398Ssam int op, i; 171153317Ssam u_int32_t debug, ndebug; 172179398Ssam size_t debuglen; 173178359Ssam char oid[256]; 174153317Ssam 175153317Ssam progname = argv[0]; 176178359Ssam setoid(oid, sizeof(oid), "wlan0"); 177153317Ssam if (argc > 1) { 178179121Sthompsa if (strcmp(argv[1], "-d") == 0) { 179179121Sthompsa setoid(oid, sizeof(oid), NULL); 180179121Sthompsa argc -= 1, argv += 1; 181179121Sthompsa } else if (strcmp(argv[1], "-i") == 0) { 182270518Shiren if (argc <= 2) 183153317Ssam errx(1, "missing interface name for -i option"); 184178359Ssam if (strncmp(argv[2], "wlan", 4) != 0) 185178359Ssam errx(1, "expecting a wlan interface name"); 186178359Ssam setoid(oid, sizeof(oid), argv[2]); 187153317Ssam argc -= 2, argv += 2; 188153317Ssam } else if (strcmp(argv[1], "-?") == 0) 189153317Ssam usage(); 190153317Ssam } 191153317Ssam 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