diff options
Diffstat (limited to 'usr.sbin/wlandebug/wlandebug.c')
-rw-r--r-- | usr.sbin/wlandebug/wlandebug.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/usr.sbin/wlandebug/wlandebug.c b/usr.sbin/wlandebug/wlandebug.c new file mode 100644 index 0000000..9bec123 --- /dev/null +++ b/usr.sbin/wlandebug/wlandebug.c @@ -0,0 +1,243 @@ +/*- + * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any + * redistribution must be conditioned upon including a substantially + * similar Disclaimer requirement for further binary redistribution. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGES. + * + * $FreeBSD$ + */ + +/* + * wlandebug [-i interface] flags + * (default interface is wlan.0). + */ +#include <sys/types.h> +#include <sys/sysctl.h> + +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> +#include <getopt.h> +#include <string.h> +#include <err.h> + +#define N(a) (sizeof(a)/sizeof(a[0])) + +const char *progname; + +#define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ +#define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ +#define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ +#define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ +#define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ +#define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ +#define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ +#define IEEE80211_MSG_NODE 0x01000000 /* node handling */ +#define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ +#define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ +#define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ +#define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ +#define IEEE80211_MSG_STATE 0x00080000 /* state machine */ +#define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ +#define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ +#define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ +#define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ +#define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ +#define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ +#define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ +#define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ +#define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ +#define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ +#define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ +#define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ +#define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ +#define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ +#define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ +#define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ +#define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ +#define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ + +static struct { + const char *name; + u_int bit; +} flags[] = { + { "11n", IEEE80211_MSG_11N }, + { "debug", IEEE80211_MSG_DEBUG }, + { "dumppkts", IEEE80211_MSG_DUMPPKTS }, + { "crypto", IEEE80211_MSG_CRYPTO }, + { "input", IEEE80211_MSG_INPUT }, + { "xrate", IEEE80211_MSG_XRATE }, + { "elemid", IEEE80211_MSG_ELEMID }, + { "node", IEEE80211_MSG_NODE }, + { "assoc", IEEE80211_MSG_ASSOC }, + { "auth", IEEE80211_MSG_AUTH }, + { "scan", IEEE80211_MSG_SCAN }, + { "output", IEEE80211_MSG_OUTPUT }, + { "state", IEEE80211_MSG_STATE }, + { "power", IEEE80211_MSG_POWER }, + { "hwmp", IEEE80211_MSG_HWMP }, + { "dot1xsm", IEEE80211_MSG_DOT1XSM }, + { "radius", IEEE80211_MSG_RADIUS }, + { "raddump", IEEE80211_MSG_RADDUMP }, + { "mesh", IEEE80211_MSG_MESH }, + { "wpa", IEEE80211_MSG_WPA }, + { "acl", IEEE80211_MSG_ACL }, + { "wme", IEEE80211_MSG_WME }, + { "superg", IEEE80211_MSG_SUPERG }, + { "doth", IEEE80211_MSG_DOTH }, + { "inact", IEEE80211_MSG_INACT }, + { "roam", IEEE80211_MSG_ROAM }, + { "rate", IEEE80211_MSG_RATECTL }, + { "action", IEEE80211_MSG_ACTION }, + { "wds", IEEE80211_MSG_WDS }, + { "ioctl", IEEE80211_MSG_IOCTL }, + { "tdma", IEEE80211_MSG_TDMA }, +}; + +static u_int +getflag(const char *name, int len) +{ + int i; + + for (i = 0; i < N(flags); i++) + if (strncasecmp(flags[i].name, name, len) == 0) + return flags[i].bit; + return 0; +} + +static void +usage(void) +{ + int i; + + fprintf(stderr, "usage: %s [-d | -i device] [flags]\n", progname); + fprintf(stderr, "where flags are:\n"); + for (i = 0; i < N(flags); i++) + printf("%s\n", flags[i].name); + exit(-1); +} + +static void +setoid(char oid[], size_t oidlen, const char *wlan) +{ +#ifdef __linux__ + if (wlan) + snprintf(oid, oidlen, "net.%s.debug", wlan); +#elif __FreeBSD__ + if (wlan) + snprintf(oid, oidlen, "net.wlan.%s.debug", wlan+4); + else + snprintf(oid, oidlen, "net.wlan.debug"); +#elif __NetBSD__ + if (wlan) + snprintf(oid, oidlen, "net.link.ieee80211.%s.debug", wlan); + else + snprintf(oid, oidlen, "net.link.ieee80211.debug"); +#else +#error "No support for this system" +#endif +} + +int +main(int argc, char *argv[]) +{ + const char *cp, *tp; + const char *sep; + int op, i; + u_int32_t debug, ndebug; + size_t debuglen; + char oid[256]; + + progname = argv[0]; + setoid(oid, sizeof(oid), "wlan0"); + if (argc > 1) { + if (strcmp(argv[1], "-d") == 0) { + setoid(oid, sizeof(oid), NULL); + argc -= 1, argv += 1; + } else if (strcmp(argv[1], "-i") == 0) { + if (argc <= 2) + errx(1, "missing interface name for -i option"); + if (strncmp(argv[2], "wlan", 4) != 0) + errx(1, "expecting a wlan interface name"); + setoid(oid, sizeof(oid), argv[2]); + argc -= 2, argv += 2; + } else if (strcmp(argv[1], "-?") == 0) + usage(); + } + + debuglen = sizeof(debug); + if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0) + err(1, "sysctl-get(%s)", oid); + ndebug = debug; + for (; argc > 1; argc--, argv++) { + cp = argv[1]; + do { + u_int bit; + + if (*cp == '-') { + cp++; + op = -1; + } else if (*cp == '+') { + cp++; + op = 1; + } else + op = 0; + for (tp = cp; *tp != '\0' && *tp != '+' && *tp != '-';) + tp++; + bit = getflag(cp, tp-cp); + if (op < 0) + ndebug &= ~bit; + else if (op > 0) + ndebug |= bit; + else { + if (bit == 0) { + int c = *cp; + if (isdigit(c)) + bit = strtoul(cp, NULL, 0); + else + errx(1, "unknown flag %.*s", + (int)(tp-cp), cp); + } + ndebug = bit; + } + } while (*(cp = tp) != '\0'); + } + if (debug != ndebug) { + printf("%s: 0x%x => ", oid, debug); + if (sysctlbyname(oid, NULL, NULL, &ndebug, sizeof(ndebug)) < 0) + err(1, "sysctl-set(%s)", oid); + printf("0x%x", ndebug); + debug = ndebug; + } else + printf("%s: 0x%x", oid, debug); + sep = "<"; + for (i = 0; i < N(flags); i++) + if (debug & flags[i].bit) { + printf("%s%s", sep, flags[i].name); + sep = ","; + } + printf("%s\n", *sep != '<' ? ">" : ""); + return 0; +} |