1 /*- 2 * Copyright (c) 2002-2009 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 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 * 29 * $FreeBSD: src/usr.sbin/wlandebug/wlandebug.c,v 1.11 2009/07/17 21:11:08 sam Exp $ 30 */ 31 32 /* 33 * wlandebug [-i interface] flags 34 * (default interface is wlan.0). 35 */ 36 #include <sys/types.h> 37 #include <sys/sysctl.h> 38 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <ctype.h> 42 #include <getopt.h> 43 #include <string.h> 44 #include <err.h> 45 46 #define N(a) (sizeof(a)/sizeof(a[0])) 47 48 const char *progname; 49 50 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 51 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 52 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 53 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 54 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 55 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 56 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 57 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 58 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 59 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 60 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 61 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 62 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 63 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 64 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 65 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 66 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 67 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 68 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 69 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 70 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 71 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 72 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 73 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 74 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 75 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 76 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 77 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 78 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 79 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 80 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 81 82 static struct { 83 const char *name; 84 u_int bit; 85 } flags[] = { 86 { "11n", IEEE80211_MSG_11N }, 87 { "debug", IEEE80211_MSG_DEBUG }, 88 { "dumppkts", IEEE80211_MSG_DUMPPKTS }, 89 { "crypto", IEEE80211_MSG_CRYPTO }, 90 { "input", IEEE80211_MSG_INPUT }, 91 { "xrate", IEEE80211_MSG_XRATE }, 92 { "elemid", IEEE80211_MSG_ELEMID }, 93 { "node", IEEE80211_MSG_NODE }, 94 { "assoc", IEEE80211_MSG_ASSOC }, 95 { "auth", IEEE80211_MSG_AUTH }, 96 { "scan", IEEE80211_MSG_SCAN }, 97 { "output", IEEE80211_MSG_OUTPUT }, 98 { "state", IEEE80211_MSG_STATE }, 99 { "power", IEEE80211_MSG_POWER }, 100 { "hwmp", IEEE80211_MSG_HWMP }, 101 { "dot1xsm", IEEE80211_MSG_DOT1XSM }, 102 { "radius", IEEE80211_MSG_RADIUS }, 103 { "raddump", IEEE80211_MSG_RADDUMP }, 104 { "mesh", IEEE80211_MSG_MESH }, 105 { "wpa", IEEE80211_MSG_WPA }, 106 { "acl", IEEE80211_MSG_ACL }, 107 { "wme", IEEE80211_MSG_WME }, 108 { "superg", IEEE80211_MSG_SUPERG }, 109 { "doth", IEEE80211_MSG_DOTH }, 110 { "inact", IEEE80211_MSG_INACT }, 111 { "roam", IEEE80211_MSG_ROAM }, 112 { "rate", IEEE80211_MSG_RATECTL }, 113 { "action", IEEE80211_MSG_ACTION }, 114 { "wds", IEEE80211_MSG_WDS }, 115 { "ioctl", IEEE80211_MSG_IOCTL }, 116 { "tdma", IEEE80211_MSG_TDMA }, 117 }; 118 119 static u_int 120 getflag(const char *name, int len) 121 { 122 int i; 123 124 for (i = 0; i < N(flags); i++) 125 if (strncasecmp(flags[i].name, name, len) == 0) 126 return flags[i].bit; 127 return 0; 128 } 129 130 static void 131 usage(void) 132 { 133 int i; 134 135 fprintf(stderr, "usage: %s [-d | -i device] [flags]\n", progname); 136 fprintf(stderr, "where flags are:\n"); 137 for (i = 0; i < N(flags); i++) 138 printf("%s\n", flags[i].name); 139 exit(-1); 140 } 141 142 static void 143 setoid(char oid[], size_t oidlen, const char *wlan) 144 { 145 if (wlan) 146 snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); 147 else 148 snprintf(oid, oidlen, "net.wlan.debug"); 149 } 150 151 int 152 main(int argc, char *argv[]) 153 { 154 const char *cp, *tp; 155 const char *sep; 156 int op, i; 157 u_int32_t debug, ndebug; 158 size_t debuglen; 159 char oid[256]; 160 161 progname = argv[0]; 162 setoid(oid, sizeof(oid), "wlan0"); 163 if (argc > 1) { 164 if (strcmp(argv[1], "-d") == 0) { 165 setoid(oid, sizeof(oid), NULL); 166 argc -= 1, argv += 1; 167 } else if (strcmp(argv[1], "-i") == 0) { 168 if (argc < 2) 169 errx(1, "missing interface name for -i option"); 170 if (strncmp(argv[2], "wlan", 4) != 0) 171 errx(1, "expecting a wlan interface name"); 172 setoid(oid, sizeof(oid), argv[2]); 173 argc -= 2, argv += 2; 174 } else if (strcmp(argv[1], "-?") == 0) 175 usage(); 176 } 177 178 debuglen = sizeof(debug); 179 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 180 err(1, "sysctl-get(%s)", oid); 181 ndebug = debug; 182 for (; argc > 1; argc--, argv++) { 183 cp = argv[1]; 184 do { 185 u_int bit; 186 187 if (*cp == '-') { 188 cp++; 189 op = -1; 190 } else if (*cp == '+') { 191 cp++; 192 op = 1; 193 } else 194 op = 0; 195 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 196 tp++; 197 bit = getflag(cp, tp-cp); 198 if (op < 0) 199 ndebug &= ~bit; 200 else if (op > 0) 201 ndebug |= bit; 202 else { 203 if (bit == 0) { 204 int c = *cp; 205 if (isdigit(c)) 206 bit = strtoul(cp, NULL, 0); 207 else 208 errx(1, "unknown flag %.*s", 209 (int)(tp-cp), cp); 210 } 211 ndebug = bit; 212 } 213 } while (*(cp = tp) != '\0'); 214 } 215 if (debug != ndebug) { 216 printf("%s: 0x%x => ", oid, debug); 217 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 218 err(1, "sysctl-set(%s)", oid); 219 printf("0x%x", ndebug); 220 debug = ndebug; 221 } else 222 printf("%s: 0x%x", oid, debug); 223 sep = "<"; 224 for (i = 0; i < N(flags); i++) 225 if (debug & flags[i].bit) { 226 printf("%s%s", sep, flags[i].name); 227 sep = ","; 228 } 229 printf("%s\n", *sep != '<' ? ">" : ""); 230 return 0; 231 } 232