/* Get wireless name */
if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
- /* If no wireless name : no wireless extensions */
- return(-1);
+ {
+ /* If no wireless name : no wireless extensions */
+ /* But let's check if the interface exists at all */
+ struct ifreq ifr;
+
+ strcpy(ifr.ifr_name, ifname);
+ if(ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0)
+ return(-ENODEV);
+ else
+ return(-ENOTSUP);
+ }
else
strcpy(info->name, wrq.u.name);
/* Get operation mode */
if(iw_get_ext(skfd, ifname, SIOCGIWMODE, &wrq) >= 0)
{
- if((wrq.u.mode < IW_NUM_OPER_MODE) && (wrq.u.mode >= 0))
- info->has_mode = 1;
info->mode = wrq.u.mode;
+ if((info->mode < IW_NUM_OPER_MODE) && (info->mode >= 0))
+ info->has_mode = 1;
}
/* Get Power Management settings */
{
char buffer[128]; /* Temporary buffer */
- /* One token is more of less 5 character, 14 tokens per line */
+ /* One token is more of less 5 characters, 14 tokens per line */
int tokens = 3; /* For name */
/* Display device name and wireless name (name of the protocol used) */
/* Display frequency / channel */
if(info->has_freq)
{
- if(info->freq < KILO)
- printf("Channel:%g ", info->freq);
- else
- {
- if(info->freq >= GIGA)
- printf("Frequency:%gGHz ", info->freq / GIGA);
- else
- {
- if(info->freq >= MEGA)
- printf("Frequency:%gMHz ", info->freq / MEGA);
- else
- printf("Frequency:%gkHz ", info->freq / KILO);
- }
- }
+ iw_print_freq(buffer, info->freq);
+ printf("%s ", buffer);
tokens +=4;
}
}
tokens +=3;
- /* Fixed ? */
- if(info->bitrate.fixed)
- printf("Bit Rate=");
- else
- printf("Bit Rate:");
-
- if(info->bitrate.value >= GIGA)
- printf("%gGb/s", info->bitrate.value / GIGA);
- else
- if(info->bitrate.value >= MEGA)
- printf("%gMb/s", info->bitrate.value / MEGA);
- else
- printf("%gkb/s", info->bitrate.value / KILO);
- printf(" ");
+ /* Display it */
+ iw_print_bitrate(buffer, info->bitrate.value);
+ printf("Bit Rate%c%s ", (info->bitrate.fixed ? '=' : ':'), buffer);
}
#if WIRELESS_EXT > 9
if(info->power.flags & IW_POWER_TYPE)
{
iw_print_pm_value(buffer, info->power.value, info->power.flags);
- printf("%s", buffer);
+ printf("%s ", buffer);
}
/* Let's check the mode */
* Print on the screen in a neat fashion all the info we have collected
* on a device.
*/
-static void
+static int
print_info(int skfd,
- char * ifname)
+ char * ifname,
+ char * args[],
+ int count)
{
struct wireless_info info;
+ int rc;
+
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
- if(get_info(skfd, ifname, &info) < 0)
+ rc = get_info(skfd, ifname, &info);
+ switch(rc)
{
+ case 0: /* Success */
+ /* Display it ! */
+ display_info(&info, ifname);
+ break;
+
+ case -ENOTSUP:
fprintf(stderr, "%-8.8s no wireless extensions.\n\n",
ifname);
- return;
- }
-
- /* Display it ! */
- display_info(&info, ifname);
-}
+ break;
-/*------------------------------------------------------------------*/
-/*
- * Get info on all devices and print it on the screen
- */
-static void
-print_devices(int skfd)
-{
- char buff[1024];
- struct ifconf ifc;
- struct ifreq *ifr;
- int i;
-
- /* Get list of active devices */
- ifc.ifc_len = sizeof(buff);
- ifc.ifc_buf = buff;
- if(ioctl(skfd, SIOCGIFCONF, &ifc) < 0)
- {
- fprintf(stderr, "SIOCGIFCONF: %s\n", strerror(errno));
- return;
+ default:
+ fprintf(stderr, "%-8.8s %s\n\n", ifname, strerror(-rc));
}
- ifr = ifc.ifc_req;
-
- /* Print them */
- for(i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; ifr++)
- print_info(skfd, ifr->ifr_name);
+ return(rc);
}
/************************* SETTING ROUTINES **************************/
}
else
{
- char * buff;
- char * p;
- int temp;
- int k = 0;
- int gotone = 1;
+ int gotone = 1;
+ int keylen;
+ int temp;
wrq.u.data.pointer = (caddr_t) NULL;
wrq.u.data.flags = 0;
wrq.u.data.length = 0;
/* -- Check for the key -- */
- if(!strncmp(args[i], "s:", 2))
+ keylen = iw_in_key(args[i], key);
+ if(keylen > 0)
{
- /* First case : as an ASCII string */
- wrq.u.data.length = strlen(args[i] + 2);
- if(wrq.u.data.length > IW_ENCODING_TOKEN_MAX)
- wrq.u.data.length = IW_ENCODING_TOKEN_MAX;
- strncpy(key, args[i] + 2, wrq.u.data.length);
+ wrq.u.data.length = keylen;
wrq.u.data.pointer = (caddr_t) key;
++i;
gotone = 1;
}
- else
- {
- /* Second case : as hexadecimal digits */
- buff = malloc(strlen(args[i]) + 1);
- if(buff == NULL)
- {
- fprintf(stderr, "Set Encode : Malloc failed (string too long ?)\n");
- return(-10);
- }
- strcpy(buff, args[i]);
-
- p = strtok(buff, "-:;.,");
- while((p != (char *) NULL) && (k < IW_ENCODING_TOKEN_MAX))
- {
- if(sscanf(p, "%2X", &temp) != 1)
- {
- gotone = 0;
- break;
- }
- key[k++] = (unsigned char) (temp & 0xFF);
- if(strlen(p) > 2) /* Token not finished yet */
- p += 2;
- else
- p = strtok((char *) NULL, "-:;.,");
- }
- free(buff);
-
- if(gotone)
- {
- ++i;
- wrq.u.data.length = k;
- wrq.u.data.pointer = (caddr_t) key;
- }
- }
/* -- Check for token index -- */
if((i < count) &&
}
/* Pointer is absent in new API */
if(wrq.u.data.pointer == NULL)
- wrq.u.data.flags = IW_ENCODE_NOKEY;
+ wrq.u.data.flags |= IW_ENCODE_NOKEY;
if(!gotone)
ABORT_ARG_TYPE("Set Encode", SIOCSIWENCODE, args[i]);
if(++i >= count)
ABORT_ARG_NUM("Set AP Address", SIOCSIWAP);
- /* Get the address and check if the interface supports it */
- if(iw_in_addr(skfd, ifname, args[i++], &(wrq.u.ap_addr)) < 0)
- ABORT_ARG_TYPE("Set AP Address", SIOCSIWAP, args[i-1]);
+ if((!strcasecmp(args[i], "auto")) ||
+ (!strcasecmp(args[i], "any")))
+ {
+ /* Send a broadcast address */
+ iw_broad_ether(&(wrq.u.ap_addr));
+ }
+ else
+ {
+ if(!strcasecmp(args[i], "off"))
+ {
+ /* Send a NULL address */
+ iw_null_ether(&(wrq.u.ap_addr));
+ }
+ else
+ {
+ /* Get the address and check if the interface supports it */
+ if(iw_in_addr(skfd, ifname, args[i++], &(wrq.u.ap_addr)) < 0)
+ ABORT_ARG_TYPE("Set AP Address", SIOCSIWAP, args[i-1]);
+ }
+ }
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWAP, &wrq,
"Set AP Address");
ismwatt = (index(args[i], 'm') != NULL);
/* Convert */
- if(!ismwatt && (range.txpower_capa & IW_TXPOW_MWATT))
+ if(range.txpower_capa & IW_TXPOW_MWATT)
{
- power = iw_dbm2mwatt(power);
+ if(!ismwatt)
+ power = iw_dbm2mwatt(power);
wrq.u.data.flags = IW_TXPOW_MWATT;
}
- if(ismwatt && !(range.txpower_capa & IW_TXPOW_MWATT))
- power = iw_mwatt2dbm(power);
+ else
+ {
+ if(ismwatt)
+ power = iw_mwatt2dbm(power);
+ wrq.u.data.flags = IW_TXPOW_DBM;
+ }
wrq.u.bitrate.value = power;
/* Check for an additional argument */
main(int argc,
char ** argv)
{
- int skfd = -1; /* generic raw socket desc. */
+ int skfd; /* generic raw socket desc. */
int goterr = 0;
/* Create a channel to the NET kernel. */
/* No argument : show the list of all device + info */
if(argc == 1)
- {
- print_devices(skfd);
- close(skfd);
- exit(0);
- }
-
- /* Special case for help... */
- if((!strncmp(argv[1], "-h", 9)) ||
- (!strcmp(argv[1], "--help")))
- {
+ iw_enum_devices(skfd, &print_info, NULL, 0);
+ else
+ /* Special case for help... */
+ if((!strncmp(argv[1], "-h", 9)) ||
+ (!strcmp(argv[1], "--help")))
iw_usage();
- close(skfd);
- exit(0);
- }
-
- /* The device name must be the first argument */
- if(argc == 2)
- {
- print_info(skfd, argv[1]);
- close(skfd);
- exit(0);
- }
-
- /* The other args on the line specify options to be set... */
- goterr = set_info(skfd, argv + 2, argc - 2, argv[1]);
+ else
+ /* The device name must be the first argument */
+ if(argc == 2)
+ print_info(skfd, argv[1], NULL, 0);
+ else
+ /* The other args on the line specify options to be set... */
+ goterr = set_info(skfd, argv + 2, argc - 2, argv[1]);
/* Close the socket. */
close(skfd);
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