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
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 #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
main(int argc,char * argv[])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