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, MERCHANTIBILITY 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 * $FreeBSD$ 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 #ifdef __linux__ 146 if (wlan) 147 snprintf(oid, oidlen, "net.%s.debug", wlan); 148 #elif __FreeBSD__ 149 if (wlan) 150 snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); 151 else 152 snprintf(oid, oidlen, "net.wlan.debug"); 153 #elif __NetBSD__ 154 if (wlan) 155 snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan); 156 else 157 snprintf(oid, oidlen, "net.link.ieee80211.debug"); 158 #else 159 #error "No support for this system" 160 #endif 161 } 162 163 int 164 main(int argc, char *argv[]) 165 { 166 const char *cp, *tp; 167 const char *sep; 168 int op, i; 169 u_int32_t debug, ndebug; 170 size_t debuglen; 171 char oid[256]; 172 173 progname = argv[0]; 174 setoid(oid, sizeof(oid), "wlan0"); 175 if (argc > 1) { 176 if (strcmp(argv[1], "-d") == 0) { 177 setoid(oid, sizeof(oid), NULL); 178 argc -= 1, argv += 1; 179 } else if (strcmp(argv[1], "-i") == 0) { 180 if (argc < 2) 181 errx(1, "missing interface name for -i option"); 182 if (strncmp(argv[2], "wlan", 4) != 0) 183 errx(1, "expecting a wlan interface name"); 184 setoid(oid, sizeof(oid), argv[2]); 185 argc -= 2, argv += 2; 186 } else if (strcmp(argv[1], "-?") == 0) 187 usage(); 188 } 189 190 debuglen = sizeof(debug); 191 if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) 192 err(1, "sysctl-get(%s)", oid); 193 ndebug = debug; 194 for (; argc > 1; argc--, argv++) { 195 cp = argv[1]; 196 do { 197 u_int bit; 198 199 if (*cp == '-') { 200 cp++; 201 op = -1; 202 } else if (*cp == '+') { 203 cp++; 204 op = 1; 205 } else 206 op = 0; 207 for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) 208 tp++; 209 bit = getflag(cp, tp-cp); 210 if (op < 0) 211 ndebug &= ~bit; 212 else if (op > 0) 213 ndebug |= bit; 214 else { 215 if (bit == 0) { 216 int c = *cp; 217 if (isdigit(c)) 218 bit = strtoul(cp, NULL, 0); 219 else 220 errx(1, "unknown flag %.*s", 221 (int)(tp-cp), cp); 222 } 223 ndebug = bit; 224 } 225 } while (*(cp = tp) != '\0'); 226 } 227 if (debug != ndebug) { 228 printf("%s: 0x%x => ", oid, debug); 229 if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) 230 err(1, "sysctl-set(%s)", oid); 231 printf("0x%x", ndebug); 232 debug = ndebug; 233 } else 234 printf("%s: 0x%x", oid, debug); 235 sep = "<"; 236 for (i = 0; i < N(flags); i++) 237 if (debug & flags[i].bit) { 238 printf("%s%s", sep, flags[i].name); 239 sep = ","; 240 } 241 printf("%s\n", *sep != '<' ? ">" : ""); 242 return 0; 243 } 244