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 * $FreeBSD$ 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 54 const 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 84 static struct { 85 const char *name; 86 u_int bit; 87 } flags[] = { 88 { "11n", IEEE80211_MSG_11N }, 89 { "debug", IEEE80211_MSG_DEBUG }, 90 { "dumppkts", IEEE80211_MSG_DUMPPKTS }, 91 { "crypto", IEEE80211_MSG_CRYPTO }, 92 { "input", IEEE80211_MSG_INPUT }, 93 { "xrate", IEEE80211_MSG_XRATE }, 94 { "elemid", IEEE80211_MSG_ELEMID }, 95 { "node", IEEE80211_MSG_NODE }, 96 { "assoc", IEEE80211_MSG_ASSOC }, 97 { "auth", IEEE80211_MSG_AUTH }, 98 { "scan", IEEE80211_MSG_SCAN }, 99 { "output", IEEE80211_MSG_OUTPUT }, 100 { "state", IEEE80211_MSG_STATE }, 101 { "power", IEEE80211_MSG_POWER }, 102 { "dot1x", IEEE80211_MSG_DOT1X }, 103 { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 104 { "radius", IEEE80211_MSG_RADIUS }, 105 { "raddump", IEEE80211_MSG_RADDUMP }, 106 { "radkeys", IEEE80211_MSG_RADKEYS }, 107 { "wpa", IEEE80211_MSG_WPA }, 108 { "acl", IEEE80211_MSG_ACL }, 109 { "wme", IEEE80211_MSG_WME }, 110 { "superg", IEEE80211_MSG_SUPERG }, 111 { "doth", IEEE80211_MSG_DOTH }, 112 { "inact", IEEE80211_MSG_INACT }, 113 { "roam", IEEE80211_MSG_ROAM }, 114 { "rate", IEEE80211_MSG_RATECTL }, 115 }; 116 117 static u_int 118 getflag(const char *name, int len) 119 { 120 int i; 121 122 for (i = 0; i < N(flags); i++) 123 if (strncasecmp(flags[i].name, name, len) == 0) 124 return flags[i].bit; 125 return 0; 126 } 127 128 static const char * 129 getflagname(u_int flag) 130 { 131 int i; 132 133 for (i = 0; i < N(flags); i++) 134 if (flags[i].bit == flag) 135 return flags[i].name; 136 return "???"; 137 } 138 139 static void 140 usage(void) 141 { 142 int i; 143 144 fprintf(stderr, "usage: %s [-i device] [flags]\n", progname); 145 fprintf(stderr, "where flags are:\n"); 146 for (i = 0; i < N(flags); i++) 147 printf("%s\n", flags[i].name); 148 exit(-1); 149 } 150 151 int 152 main(int argc, char *argv[]) 153 { 154 const char *ifname = "ath0"; 155 const char *cp, *tp; 156 const char *sep; 157 int op, i, unit; 158 u_int32_t debug, ndebug; 159 size_t debuglen, parentlen; 160 char oid[256], parent[256]; 161 162 progname = argv[0]; 163 if (argc > 1) { 164 if (strcmp(argv[1], "-i") == 0) { 165 if (argc < 2) 166 errx(1, "missing interface name for -i option"); 167 ifname = argv[2]; 168 argc -= 2, argv += 2; 169 } else if (strcmp(argv[1], "-?") == 0) 170 usage(); 171 } 172 173 for (unit = 0; unit < 10; unit++) { 174 #ifdef __linux__ 175 snprintf(oid, sizeof(oid), "net.wlan%d.%%parent", unit); 176 #else 177 snprintf(oid, sizeof(oid), "net.wlan.%d.%%parent", unit); 178 #endif 179 parentlen = sizeof(parent); 180 if (sysctlbyname(oid, parent, &parentlen, NULL, 0) < 0) 181 continue; 182 if (strncmp(parent, ifname, parentlen) == 0) 183 break; 184 } 185 if (unit == 10) 186 errx(1, "%s: cannot locate wlan sysctl node.", ifname); 187 #ifdef __linux__ 188 snprintf(oid, sizeof(oid), "net.wlan%d.debug", unit); 189 #else 190 snprintf(oid, sizeof(oid), "net.wlan.%d.debug", unit); 191 #endif 192 debuglen = sizeof(debug); 193 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 194 err(1, "sysctl-get(%s)", oid); 195 ndebug = debug; 196 for (; argc > 1; argc--, argv++) { 197 cp = argv[1]; 198 do { 199 u_int bit; 200 201 if (*cp == '-') { 202 cp++; 203 op = -1; 204 } else if (*cp == '+') { 205 cp++; 206 op = 1; 207 } else 208 op = 0; 209 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 210 tp++; 211 bit = getflag(cp, tp-cp); 212 if (op < 0) 213 ndebug &= ~bit; 214 else if (op > 0) 215 ndebug |= bit; 216 else { 217 if (bit == 0) { 218 int c = *cp; 219 if (isdigit(c)) 220 bit = strtoul(cp, NULL, 0); 221 else 222 errx(1, "unknown flag %.*s", 223 (int)(tp-cp), cp); 224 } 225 ndebug = bit; 226 } 227 } while (*(cp = tp) != '\0'); 228 } 229 if (debug != ndebug) { 230 printf("%s: 0x%x => ", oid, debug); 231 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 232 err(1, "sysctl-set(%s)", oid); 233 printf("0x%x", ndebug); 234 debug = ndebug; 235 } else 236 printf("%s: 0x%x", oid, debug); 237 sep = "<"; 238 for (i = 0; i < N(flags); i++) 239 if (debug & flags[i].bit) { 240 printf("%s%s", sep, flags[i].name); 241 sep = ","; 242 } 243 printf("%s\n", *sep != '<' ? ">" : ""); 244 return 0; 245 } 246