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
getflag(const char * name,int len)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
usage(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
setoid(char oid[],size_t oidlen,const char * wlan)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
main(int argc,char * argv[])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