freebsd-nq/usr.sbin/raycontrol/raycontrol.c
Peter Pentchev c525f9c9a4 Replace the remaining strcpy() instances with strlcpy(), fixing a segfault
when parsing a malformed command-line parameter.
Rearrange a risky usage of sprintf() in a loop.

Reported by:	phrail@division7.us via the vuln-dev mailing list
Approved by:	re (rwatson)
2002-12-02 20:29:08 +00:00

487 lines
11 KiB
C

/*
* Copyright (c) 1999, 2000
* Dr. Duncan McLennan Barclay, dmlb@ragnet.demon.co.uk. 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY DUNCAN BARCLAY AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL DUNCAN BARCLAY OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <net/if_ieee80211.h>
#include <dev/ray/if_rayreg.h>
#include <dev/ray/if_raymib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <err.h>
static char * ray_printhex (u_int8_t *d, char *s, int len);
static void ray_getval (char *iface, struct ray_param_req *rreq);
static void ray_getstats (char *iface, struct ray_stats_req *sreq);
static int ray_version (char *iface);
static void ray_dumpstats (char *iface);
static void ray_dumpinfo (char *iface);
static void ray_setstr (char *iface, u_int8_t mib, char *s);
static void ray_setword (char *iface, u_int8_t mib, u_int16_t v);
static void ray_setval (char *iface, struct ray_param_req *rreq);
static void usage (char *p);
static char *mib_strings[] = RAY_MIB_STRINGS;
static char *mib_help_strings[] = RAY_MIB_HELP_STRINGS;
static int mib_info[RAY_MIB_MAX+1][3] = RAY_MIB_INFO;
static char *
ray_printhex(u_int8_t *d, char *s, int len)
{
static char buf[3*256];
char *p;
int i;
if (2 * len + strlen(s) * (len - 1) > sizeof(buf) - 1)
err(1, "Byte string too long");
sprintf(buf, "%02x", *d);
for (p = buf + 2, i = 1; i < len; i++)
p += sprintf(p, "%s%02x", s, *(d+i));
return(buf);
}
static void
ray_getval(char *iface, struct ray_param_req *rreq)
{
struct ifreq ifr;
int s;
bzero((char *)&ifr, sizeof(ifr));
strlcpy(ifr.ifr_name, iface, IFNAMSIZ);
ifr.ifr_data = (caddr_t)rreq;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1, "socket");
if (ioctl(s, SIOCGRAYPARAM, &ifr) == -1)
warn("SIOCGRAYPARAM failed with failcode 0x%02x",
rreq->r_failcause);
close(s);
}
static void
ray_getsiglev(char *iface, struct ray_siglev *siglev)
{
struct ifreq ifr;
int s;
bzero((char *)&ifr, sizeof(ifr));
strlcpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
ifr.ifr_data = (caddr_t)siglev;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1, "socket");
if (ioctl(s, SIOCGRAYSIGLEV, &ifr) == -1)
err(1, "SIOCGRAYSIGLEV failed");
close(s);
}
static void
ray_getstats(char *iface, struct ray_stats_req *sreq)
{
struct ifreq ifr;
int s;
bzero((char *)&ifr, sizeof(ifr));
strlcpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
ifr.ifr_data = (caddr_t)sreq;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1, "socket");
if (ioctl(s, SIOCGRAYSTATS, &ifr) == -1)
err(1, "SIOCGRAYSTATS failed");
close(s);
}
static int
ray_version(char *iface)
{
struct ray_param_req rreq;
if (iface == NULL)
errx(1, "must specify interface name");
bzero((char *)&rreq, sizeof(rreq));
rreq.r_paramid = RAY_MIB_VERSION;
ray_getval(iface, &rreq);
return(*rreq.r_data);
}
static void
ray_dumpinfo(char *iface)
{
struct ray_param_req rreq;
u_int8_t mib, version;
if (iface == NULL)
errx(1, "must specify interface name");
bzero((char *)&rreq, sizeof(rreq));
version = ray_version(iface);
printf("%-26s\t", mib_strings[RAY_MIB_VERSION]);
printf("%d\n", 3+version);
for (mib = RAY_MIB_NET_TYPE; mib <= RAY_MIB_MAX; mib++) {
if ((mib_info[mib][0] & version) == 0)
continue;
if (mib == RAY_MIB_VERSION)
continue;
rreq.r_paramid = mib;
ray_getval(iface, &rreq);
printf("%-26s\t", mib_strings[mib]);
switch (rreq.r_len) {
case 2:
printf("0x%02x%02x", *rreq.r_data, *(rreq.r_data+1));
break;
case ETHER_ADDR_LEN:
printf("%s",
ray_printhex(rreq.r_data, ":", rreq.r_len));
break;
case IEEE80211_NWID_LEN:
printf("%-32s", (char *)rreq.r_data);
break;
case 1:
default:
printf("0x%02x", *rreq.r_data);
break;
}
printf("\t%s\n", mib_help_strings[mib]);
}
}
static void
ray_dumpsiglev(char *iface)
{
struct ray_siglev siglevs[RAY_NSIGLEVRECS];
int i;
if (iface == NULL)
errx(1, "must specify interface name");
bzero((char *)siglevs, sizeof(siglevs));
ray_getsiglev(iface, siglevs);
for (i = 0; i < RAY_NSIGLEVRECS; i++) {
printf("Slot %d: %s", i,
ray_printhex(siglevs[i].rsl_host, ":", ETHER_ADDR_LEN));
printf(" %s",
ray_printhex(siglevs[i].rsl_siglevs, ",", RAY_NSIGLEV));
printf(" %s\n",
ray_printhex(siglevs[i].rsl_antennas, "", RAY_NANTENNA));
}
}
static void
ray_dumpstats(char *iface)
{
struct ray_stats_req sreq;
if (iface == NULL)
errx(1, "must specify interface name");
bzero((char *)&sreq, sizeof(sreq));
ray_getstats(iface, &sreq);
printf("Receiver overflows %lu\n",
(unsigned long int)sreq.rxoverflow);
printf("Receiver checksum errors %lu\n",
(unsigned long int)sreq.rxcksum);
printf("Header checksum errors %lu\n",
(unsigned long int)sreq.rxhcksum);
printf("Clear channel noise level %u\n", sreq.rxnoise);
}
static void
ray_setval(char *iface, struct ray_param_req *rreq)
{
struct ifreq ifr;
int s;
bzero((char *)&ifr, sizeof(ifr));
strlcpy(ifr.ifr_name, iface, sizeof(ifr.ifr_name));
ifr.ifr_data = (caddr_t)rreq;
s = socket(AF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1, "socket");
if (ioctl(s, SIOCSRAYPARAM, &ifr) == -1) {
err(1, "SIOCSRAYPARAM failed with failcode 0x%02x",
rreq->r_failcause);
}
close(s);
}
static void
ray_setword(char *iface, u_int8_t mib, u_int16_t v)
{
struct ray_param_req rreq;
if (iface == NULL)
errx(1, "must specify interface name");
bzero((char *)&rreq, sizeof(rreq));
rreq.r_paramid = mib;
rreq.r_len = RAY_MIB_SIZE(mib_info, mib, ray_version(iface));
switch (rreq.r_len) {
case 1:
*rreq.r_data = (u_int8_t)(v & 0xff);
break;
case 2:
*rreq.r_data = (u_int8_t)((v & 0xff00) >> 8);
*(rreq.r_data+1) = (u_int8_t)(v & 0xff);
break;
default:
break;
}
ray_setval(iface, &rreq);
}
static void
ray_setstr(char *iface, u_int8_t mib, char *s)
{
struct ray_param_req rreq;
if (iface == NULL)
errx(1, "must specify interface name");
if (s == NULL)
errx(1, "must specify string");
if (strlen(s) > RAY_MIB_SIZE(mib_info, mib, ray_version(iface)))
errx(1, "string too long");
bzero((char *)&rreq, sizeof(rreq));
rreq.r_paramid = mib;
rreq.r_len = RAY_MIB_SIZE(mib_info, mib, ray_version(iface));
bcopy(s, (char *)rreq.r_data, strlen(s));
ray_setval(iface, &rreq);
}
static void
usage(char *p)
{
fprintf(stderr, "usage: %s -i iface\n", p);
fprintf(stderr, "\t%s -i iface -o\n", p);
fprintf(stderr, "\t%s -i iface -t tx rate\n", p);
fprintf(stderr, "\t%s -i iface -n network name\n", p);
fprintf(stderr, "\t%s -i iface -p port type\n", p);
fprintf(stderr, "\t%s -i iface -m mac address\n", p);
fprintf(stderr, "\t%s -i iface -d max data length\n", p);
fprintf(stderr, "\t%s -i iface -r RTS threshold\n", p);
fprintf(stderr, "\t%s -i iface -f hopset\n", p);
fprintf(stderr, "\t%s -i iface -P 0|1\n", p);
fprintf(stderr, "\t%s -i iface -S max sleep duration\n", p);
fprintf(stderr, "\t%s -i iface -C print signal cache\n", p);
exit(1);
}
int
main(int argc, char *argv[])
{
char *iface, *p;
int ch, val;
iface = NULL;
p = argv[0];
/* Get the interface name */
opterr = 0;
ch = getopt(argc, argv, "i:");
if (ch == 'i') {
iface = optarg;
} else {
if (argc > 1 && *argv[1] != '-') {
iface = argv[1];
optind = 2;
} else {
iface = "ray0";
optind = 1;
}
optreset = 1;
}
opterr = 1;
while ((ch = getopt(argc, argv, "hoCi:d:f:n:p:r:t:W:")) != -1) {
switch (ch) {
case 'i':
iface = optarg;
break;
case 'd':
val = atoi(optarg);
if (((val < 350) &&
(val != -1)) || (val > RAY_MIB_FRAG_THRESH_MAXIMUM))
usage(p);
if (val == -1)
val = 0x7fff;
ray_setword(iface, RAY_MIB_FRAG_THRESH, val);
exit(0);
break;
case 'f':
val = atoi(optarg);
if ((val < RAY_MIB_COUNTRY_CODE_MIMIMUM) ||
(val > RAY_MIB_COUNTRY_CODE_MAXIMUM))
usage(p);
ray_setword(iface, RAY_MIB_COUNTRY_CODE, val);
exit(0);
break;
case 'n':
ray_setstr(iface, RAY_MIB_SSID, optarg);
exit(0);
break;
case 'o':
ray_dumpstats(iface);
exit(0);
break;
case 'p':
val = atoi(optarg);
if ((val < 0) || (val > 1))
usage(p);
ray_setword(iface, RAY_MIB_NET_TYPE, val);
exit(0);
break;
case 'r':
val = atoi(optarg);
if ((val < -1) || (val > RAY_MIB_RTS_THRESH_MAXIMUM))
usage(p);
if (val == -1)
val = 0x7fff;
ray_setword(iface, RAY_MIB_RTS_THRESH, val);
exit(0);
break;
case 't':
val = atoi(optarg);
if ((val < RAY_MIB_BASIC_RATE_SET_MINIMUM) ||
(val > RAY_MIB_BASIC_RATE_SET_MAXIMUM))
usage(p);
ray_setword(iface, RAY_MIB_BASIC_RATE_SET, val);
exit(0);
break;
case 'C':
ray_dumpsiglev(iface);
exit(0);
break;
case 'W':
{
char *stringp, **ap, *av[5];
u_int8_t mib;
stringp = optarg;
ap = av;
*ap = strsep(&stringp, ":");
ap++;
*ap = strsep(&stringp, ":");
mib = atoi(av[0]);
sscanf(av[1], "%x", &val);
printf("mib %d, val 0x%02x\n", mib, val);
ray_setword(iface, mib, val);
}
exit(0);
break;
case 'h':
default:
usage(p);
}
}
if (iface == NULL)
usage(p);
ray_dumpinfo(iface);
exit(0);
}