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iwconfig.c
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iwconfig.c
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/*
* Wireless Tools
*
* Jean II - HPLB 97->99 - HPL 99->07
*
* Main code for "iwconfig". This is the generic tool for most
* manipulations...
* You need to link this code against "iwlib.c" and "-lm".
*
* This file is released under the GPL license.
* Copyright (c) 1997-2007 Jean Tourrilhes <jt@hpl.hp.com>
*/
#include "iwlib.h" /* Header */
/**************************** CONSTANTS ****************************/
/*
* Error codes defined for setting args
*/
#define IWERR_ARG_NUM -2
#define IWERR_ARG_TYPE -3
#define IWERR_ARG_SIZE -4
#define IWERR_ARG_CONFLICT -5
#define IWERR_SET_EXT -6
#define IWERR_GET_EXT -7
/**************************** VARIABLES ****************************/
/*
* Ugly, but deal with errors in set_info() efficiently...
*/
static int errarg;
static int errmax;
/************************* DISPLAY ROUTINES **************************/
/*------------------------------------------------------------------*/
/*
* Get wireless informations & config from the device driver
* We will call all the classical wireless ioctl on the driver through
* the socket to know what is supported and to get the settings...
*/
static int
get_info(int skfd,
char * ifname,
struct wireless_info * info)
{
struct iwreq wrq;
memset((char *) info, 0, sizeof(struct wireless_info));
/* Get basic information */
if(iw_get_basic_config(skfd, ifname, &(info->b)) < 0)
{
/* If no wireless name : no wireless extensions */
/* But let's check if the interface exists at all */
struct ifreq ifr;
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
if(ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0)
return(-ENODEV);
else
return(-ENOTSUP);
}
/* Get ranges */
if(iw_get_range_info(skfd, ifname, &(info->range)) >= 0)
info->has_range = 1;
/* Get AP address */
if(iw_get_ext(skfd, ifname, SIOCGIWAP, &wrq) >= 0)
{
info->has_ap_addr = 1;
memcpy(&(info->ap_addr), &(wrq.u.ap_addr), sizeof (sockaddr));
}
/* Get bit rate */
if(iw_get_ext(skfd, ifname, SIOCGIWRATE, &wrq) >= 0)
{
info->has_bitrate = 1;
memcpy(&(info->bitrate), &(wrq.u.bitrate), sizeof(iwparam));
}
/* Get Power Management settings */
wrq.u.power.flags = 0;
if(iw_get_ext(skfd, ifname, SIOCGIWPOWER, &wrq) >= 0)
{
info->has_power = 1;
memcpy(&(info->power), &(wrq.u.power), sizeof(iwparam));
}
/* Get stats */
if(iw_get_stats(skfd, ifname, &(info->stats),
&info->range, info->has_range) >= 0)
{
info->has_stats = 1;
}
#ifndef WE_ESSENTIAL
/* Get NickName */
wrq.u.essid.pointer = (caddr_t) info->nickname;
wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1;
wrq.u.essid.flags = 0;
if(iw_get_ext(skfd, ifname, SIOCGIWNICKN, &wrq) >= 0)
if(wrq.u.data.length > 1)
info->has_nickname = 1;
if((info->has_range) && (info->range.we_version_compiled > 9))
{
/* Get Transmit Power */
if(iw_get_ext(skfd, ifname, SIOCGIWTXPOW, &wrq) >= 0)
{
info->has_txpower = 1;
memcpy(&(info->txpower), &(wrq.u.txpower), sizeof(iwparam));
}
}
/* Get sensitivity */
if(iw_get_ext(skfd, ifname, SIOCGIWSENS, &wrq) >= 0)
{
info->has_sens = 1;
memcpy(&(info->sens), &(wrq.u.sens), sizeof(iwparam));
}
if((info->has_range) && (info->range.we_version_compiled > 10))
{
/* Get retry limit/lifetime */
if(iw_get_ext(skfd, ifname, SIOCGIWRETRY, &wrq) >= 0)
{
info->has_retry = 1;
memcpy(&(info->retry), &(wrq.u.retry), sizeof(iwparam));
}
}
/* Get RTS threshold */
if(iw_get_ext(skfd, ifname, SIOCGIWRTS, &wrq) >= 0)
{
info->has_rts = 1;
memcpy(&(info->rts), &(wrq.u.rts), sizeof(iwparam));
}
/* Get fragmentation threshold */
if(iw_get_ext(skfd, ifname, SIOCGIWFRAG, &wrq) >= 0)
{
info->has_frag = 1;
memcpy(&(info->frag), &(wrq.u.frag), sizeof(iwparam));
}
#endif /* WE_ESSENTIAL */
return(0);
}
/*------------------------------------------------------------------*/
/*
* Print on the screen in a neat fashion all the info we have collected
* on a device.
*/
static void
display_info(struct wireless_info * info,
char * ifname)
{
char buffer[128]; /* Temporary buffer */
/* 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) */
printf("%-8.16s %s ", ifname, info->b.name);
/* Display ESSID (extended network), if any */
if(info->b.has_essid)
{
if(info->b.essid_on)
{
/* Does it have an ESSID index ? */
if((info->b.essid_on & IW_ENCODE_INDEX) > 1)
printf("ESSID:\"%s\" [%d] ", info->b.essid,
(info->b.essid_on & IW_ENCODE_INDEX));
else
printf("ESSID:\"%s\" ", info->b.essid);
}
else
printf("ESSID:off/any ");
}
#ifndef WE_ESSENTIAL
/* Display NickName (station name), if any */
if(info->has_nickname)
printf("Nickname:\"%s\"", info->nickname);
#endif /* WE_ESSENTIAL */
/* Formatting */
if(info->b.has_essid || info->has_nickname)
{
printf("\n ");
tokens = 0;
}
#ifndef WE_ESSENTIAL
/* Display Network ID */
if(info->b.has_nwid)
{
/* Note : should display proper number of digits according to info
* in range structure */
if(info->b.nwid.disabled)
printf("NWID:off/any ");
else
printf("NWID:%X ", info->b.nwid.value);
tokens +=2;
}
#endif /* WE_ESSENTIAL */
/* Display the current mode of operation */
if(info->b.has_mode)
{
printf("Mode:%s ", iw_operation_mode[info->b.mode]);
tokens +=3;
}
/* Display frequency / channel */
if(info->b.has_freq)
{
double freq = info->b.freq; /* Frequency/channel */
int channel = -1; /* Converted to channel */
/* Some drivers insist of returning channel instead of frequency.
* This fixes them up. Note that, driver should still return
* frequency, because other tools depend on it. */
if(info->has_range && (freq < KILO))
channel = iw_channel_to_freq((int) freq, &freq, &info->range);
/* Display */
iw_print_freq(buffer, sizeof(buffer), freq, -1, info->b.freq_flags);
printf("%s ", buffer);
tokens +=4;
}
/* Display the address of the current Access Point */
if(info->has_ap_addr)
{
/* A bit of clever formatting */
if(tokens > 8)
{
printf("\n ");
tokens = 0;
}
tokens +=6;
/* Oups ! No Access Point in Ad-Hoc mode */
if((info->b.has_mode) && (info->b.mode == IW_MODE_ADHOC))
printf("Cell:");
else
printf("Access Point:");
printf(" %s ", iw_sawap_ntop(&info->ap_addr, buffer));
}
/* Display the currently used/set bit-rate */
if(info->has_bitrate)
{
/* A bit of clever formatting */
if(tokens > 11)
{
printf("\n ");
tokens = 0;
}
tokens +=3;
/* Display it */
iw_print_bitrate(buffer, sizeof(buffer), info->bitrate.value);
printf("Bit Rate%c%s ", (info->bitrate.fixed ? '=' : ':'), buffer);
}
#ifndef WE_ESSENTIAL
/* Display the Transmit Power */
if(info->has_txpower)
{
/* A bit of clever formatting */
if(tokens > 11)
{
printf("\n ");
tokens = 0;
}
tokens +=3;
/* Display it */
iw_print_txpower(buffer, sizeof(buffer), &info->txpower);
printf("Tx-Power%c%s ", (info->txpower.fixed ? '=' : ':'), buffer);
}
/* Display sensitivity */
if(info->has_sens)
{
/* A bit of clever formatting */
if(tokens > 10)
{
printf("\n ");
tokens = 0;
}
tokens +=4;
/* Fixed ? */
printf("Sensitivity%c", info->sens.fixed ? '=' : ':');
if(info->has_range)
/* Display in dBm ? */
if(info->sens.value < 0)
printf("%d dBm ", info->sens.value);
else
printf("%d/%d ", info->sens.value, info->range.sensitivity);
else
printf("%d ", info->sens.value);
}
#endif /* WE_ESSENTIAL */
printf("\n ");
tokens = 0;
#ifndef WE_ESSENTIAL
/* Display retry limit/lifetime information */
if(info->has_retry)
{
printf("Retry");
/* Disabled ? */
if(info->retry.disabled)
printf(":off");
else
{
/* Let's check the value and its type */
if(info->retry.flags & IW_RETRY_TYPE)
{
iw_print_retry_value(buffer, sizeof(buffer),
info->retry.value, info->retry.flags,
info->range.we_version_compiled);
printf("%s", buffer);
}
/* Let's check if nothing (simply on) */
if(info->retry.flags == IW_RETRY_ON)
printf(":on");
}
printf(" ");
tokens += 5; /* Between 3 and 5, depend on flags */
}
/* Display the RTS threshold */
if(info->has_rts)
{
/* Disabled ? */
if(info->rts.disabled)
printf("RTS thr:off ");
else
{
/* Fixed ? */
printf("RTS thr%c%d B ",
info->rts.fixed ? '=' : ':',
info->rts.value);
}
tokens += 3;
}
/* Display the fragmentation threshold */
if(info->has_frag)
{
/* A bit of clever formatting */
if(tokens > 10)
{
printf("\n ");
tokens = 0;
}
tokens +=4;
/* Disabled ? */
if(info->frag.disabled)
printf("Fragment thr:off");
else
{
/* Fixed ? */
printf("Fragment thr%c%d B ",
info->frag.fixed ? '=' : ':',
info->frag.value);
}
}
/* Formating */
if(tokens > 0)
printf("\n ");
#endif /* WE_ESSENTIAL */
/* Display encryption information */
/* Note : we display only the "current" key, use iwlist to list all keys */
if(info->b.has_key)
{
printf("Encryption key:");
if((info->b.key_flags & IW_ENCODE_DISABLED) || (info->b.key_size == 0))
printf("off");
else
{
/* Display the key */
iw_print_key(buffer, sizeof(buffer),
info->b.key, info->b.key_size, info->b.key_flags);
printf("%s", buffer);
/* Other info... */
if((info->b.key_flags & IW_ENCODE_INDEX) > 1)
printf(" [%d]", info->b.key_flags & IW_ENCODE_INDEX);
if(info->b.key_flags & IW_ENCODE_RESTRICTED)
printf(" Security mode:restricted");
if(info->b.key_flags & IW_ENCODE_OPEN)
printf(" Security mode:open");
}
printf("\n ");
}
/* Display Power Management information */
/* Note : we display only one parameter, period or timeout. If a device
* (such as HiperLan) has both, the user need to use iwlist... */
if(info->has_power) /* I hope the device has power ;-) */
{
printf("Power Management");
/* Disabled ? */
if(info->power.disabled)
printf(":off");
else
{
/* Let's check the value and its type */
if(info->power.flags & IW_POWER_TYPE)
{
iw_print_pm_value(buffer, sizeof(buffer),
info->power.value, info->power.flags,
info->range.we_version_compiled);
printf("%s ", buffer);
}
/* Let's check the mode */
iw_print_pm_mode(buffer, sizeof(buffer), info->power.flags);
printf("%s", buffer);
/* Let's check if nothing (simply on) */
if(info->power.flags == IW_POWER_ON)
printf(":on");
}
printf("\n ");
}
/* Display statistics */
if(info->has_stats)
{
iw_print_stats(buffer, sizeof(buffer),
&info->stats.qual, &info->range, info->has_range);
printf("Link %s\n", buffer);
if(info->range.we_version_compiled > 11)
printf(" Rx invalid nwid:%d Rx invalid crypt:%d Rx invalid frag:%d\n Tx excessive retries:%d Invalid misc:%d Missed beacon:%d\n",
info->stats.discard.nwid,
info->stats.discard.code,
info->stats.discard.fragment,
info->stats.discard.retries,
info->stats.discard.misc,
info->stats.miss.beacon);
else
printf(" Rx invalid nwid:%d invalid crypt:%d invalid misc:%d\n",
info->stats.discard.nwid,
info->stats.discard.code,
info->stats.discard.misc);
}
printf("\n");
}
/*------------------------------------------------------------------*/
/*
* Print on the screen in a neat fashion all the info we have collected
* on a device.
*/
static int
print_info(int skfd,
char * ifname,
char * args[],
int count)
{
struct wireless_info info;
int rc;
/* Avoid "Unused parameter" warning */
args = args; count = count;
rc = get_info(skfd, ifname, &info);
switch(rc)
{
case 0: /* Success */
/* Display it ! */
display_info(&info, ifname);
break;
case -ENOTSUP:
fprintf(stderr, "%-8.16s no wireless extensions.\n\n",
ifname);
break;
default:
fprintf(stderr, "%-8.16s %s\n\n", ifname, strerror(-rc));
}
return(rc);
}
/****************** COMMAND LINE MODIFIERS PARSING ******************/
/*
* Factor out the parsing of command line modifiers.
*/
/*------------------------------------------------------------------*/
/*
* Map command line modifiers to the proper flags...
*/
typedef struct iwconfig_modifier {
const char * cmd; /* Command line shorthand */
__u16 flag; /* Flags to add */
__u16 exclude; /* Modifiers to exclude */
} iwconfig_modifier;
/*------------------------------------------------------------------*/
/*
* Modifiers for Power
*/
static const struct iwconfig_modifier iwmod_power[] = {
{ "min", IW_POWER_MIN, IW_POWER_MAX },
{ "max", IW_POWER_MAX, IW_POWER_MIN },
{ "period", IW_POWER_PERIOD, IW_POWER_TIMEOUT | IW_POWER_SAVING },
{ "timeout", IW_POWER_TIMEOUT, IW_POWER_PERIOD | IW_POWER_SAVING },
{ "saving", IW_POWER_SAVING, IW_POWER_TIMEOUT | IW_POWER_PERIOD },
};
#define IWMOD_POWER_NUM (sizeof(iwmod_power)/sizeof(iwmod_power[0]))
/*------------------------------------------------------------------*/
/*
* Modifiers for Retry
*/
#ifndef WE_ESSENTIAL
static const struct iwconfig_modifier iwmod_retry[] = {
{ "min", IW_RETRY_MIN, IW_RETRY_MAX },
{ "max", IW_RETRY_MAX, IW_RETRY_MIN },
{ "short", IW_RETRY_SHORT, IW_RETRY_LONG },
{ "long", IW_RETRY_LONG, IW_RETRY_SHORT },
{ "limit", IW_RETRY_LIMIT, IW_RETRY_LIFETIME },
{ "lifetime", IW_RETRY_LIFETIME, IW_RETRY_LIMIT },
};
#define IWMOD_RETRY_NUM (sizeof(iwmod_retry)/sizeof(iwmod_retry[0]))
#endif /* WE_ESSENTIAL */
/*------------------------------------------------------------------*/
/*
* Parse command line modifiers.
* Return error or number arg parsed.
* Modifiers must be at the beggining of command line.
*/
static int
parse_modifiers(char * args[], /* Command line args */
int count, /* Args count */
__u16 * pout, /* Flags to write */
const struct iwconfig_modifier modifier[],
int modnum)
{
int i = 0;
int k = 0;
__u16 result = 0; /* Default : no flag set */
/* Get all modifiers and value types on the command line */
do
{
for(k = 0; k < modnum; k++)
{
/* Check if matches */
if(!strcasecmp(args[i], modifier[k].cmd))
{
/* Check for conflicting flags */
if(result & modifier[k].exclude)
{
errarg = i;
return(IWERR_ARG_CONFLICT);
}
/* Just add it */
result |= modifier[k].flag;
++i;
break;
}
}
}
/* For as long as current arg matched and not out of args */
while((i < count) && (k < modnum));
/* Check there remains one arg for value */
if(i >= count)
return(IWERR_ARG_NUM);
/* Return result */
*pout = result;
return(i);
}
/*********************** SETTING SUB-ROUTINES ***********************/
/*
* The following functions are use to set some wireless parameters and
* are called by the set dispatcher set_info().
* They take as arguments the remaining of the command line, with
* arguments processed already removed.
* An error is indicated by a negative return value.
* 0 and positive return values indicate the number of args consumed.
*/
/*------------------------------------------------------------------*/
/*
* Set ESSID
*/
static int
set_essid_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
int i = 1;
char essid[IW_ESSID_MAX_SIZE + 1];
int we_kernel_version;
if((!strcasecmp(args[0], "off")) ||
(!strcasecmp(args[0], "any")))
{
wrq.u.essid.flags = 0;
essid[0] = '\0';
}
else
if(!strcasecmp(args[0], "on"))
{
/* Get old essid */
memset(essid, '\0', sizeof(essid));
wrq.u.essid.pointer = (caddr_t) essid;
wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1;
wrq.u.essid.flags = 0;
if(iw_get_ext(skfd, ifname, SIOCGIWESSID, &wrq) < 0)
return(IWERR_GET_EXT);
wrq.u.essid.flags = 1;
}
else
{
i = 0;
/* '-' or '--' allow to escape the ESSID string, allowing
* to set it to the string "any" or "off".
* This is a big ugly, but it will do for now */
if((!strcmp(args[0], "-")) || (!strcmp(args[0], "--")))
{
if(++i >= count)
return(IWERR_ARG_NUM);
}
/* Check the size of what the user passed us to avoid
* buffer overflows */
if(strlen(args[i]) > IW_ESSID_MAX_SIZE)
{
errmax = IW_ESSID_MAX_SIZE;
return(IWERR_ARG_SIZE);
}
else
{
int temp;
wrq.u.essid.flags = 1;
strcpy(essid, args[i]); /* Size checked, all clear */
i++;
/* Check for ESSID index */
if((i < count) &&
(sscanf(args[i], "[%i]", &temp) == 1) &&
(temp > 0) && (temp < IW_ENCODE_INDEX))
{
wrq.u.essid.flags = temp;
++i;
}
}
}
/* Get version from kernel, device may not have range... */
we_kernel_version = iw_get_kernel_we_version();
/* Finally set the ESSID value */
wrq.u.essid.pointer = (caddr_t) essid;
wrq.u.essid.length = strlen(essid);
if(we_kernel_version < 21)
wrq.u.essid.length++;
if(iw_set_ext(skfd, ifname, SIOCSIWESSID, &wrq) < 0)
return(IWERR_SET_EXT);
/* Var args */
return(i);
}
/*------------------------------------------------------------------*/
/*
* Set Mode
*/
static int
set_mode_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
unsigned int k; /* Must be unsigned */
/* Avoid "Unused parameter" warning */
count = count;
/* Check if it is a uint, otherwise get is as a string */
if(sscanf(args[0], "%i", &k) != 1)
{
k = 0;
while((k < IW_NUM_OPER_MODE) &&
strncasecmp(args[0], iw_operation_mode[k], 3))
k++;
}
if(k >= IW_NUM_OPER_MODE)
{
errarg = 0;
return(IWERR_ARG_TYPE);
}
wrq.u.mode = k;
if(iw_set_ext(skfd, ifname, SIOCSIWMODE, &wrq) < 0)
return(IWERR_SET_EXT);
/* 1 arg */
return(1);
}
/*------------------------------------------------------------------*/
/*
* Set frequency/channel
*/
static int
set_freq_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
int i = 1;
if(!strcasecmp(args[0], "auto"))
{
wrq.u.freq.m = -1;
wrq.u.freq.e = 0;
wrq.u.freq.flags = 0;
}
else
{
if(!strcasecmp(args[0], "fixed"))
{
/* Get old frequency */
if(iw_get_ext(skfd, ifname, SIOCGIWFREQ, &wrq) < 0)
return(IWERR_GET_EXT);
wrq.u.freq.flags = IW_FREQ_FIXED;
}
else /* Should be a numeric value */
{
double freq;
char * unit;
freq = strtod(args[0], &unit);
if(unit == args[0])
{
errarg = 0;
return(IWERR_ARG_TYPE);
}
if(unit != NULL)
{
if(unit[0] == 'G') freq *= GIGA;
if(unit[0] == 'M') freq *= MEGA;
if(unit[0] == 'k') freq *= KILO;
}
iw_float2freq(freq, &(wrq.u.freq));
wrq.u.freq.flags = IW_FREQ_FIXED;
/* Check for an additional argument */
if((i < count) && (!strcasecmp(args[i], "auto")))
{
wrq.u.freq.flags = 0;
++i;
}
if((i < count) && (!strcasecmp(args[i], "fixed")))
{
wrq.u.freq.flags = IW_FREQ_FIXED;
++i;
}
}
}
if(iw_set_ext(skfd, ifname, SIOCSIWFREQ, &wrq) < 0)
return(IWERR_SET_EXT);
/* Var args */
return(i);
}
/*------------------------------------------------------------------*/
/*
* Set Bit Rate
*/
static int
set_bitrate_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
int i = 1;
wrq.u.bitrate.flags = 0;
if(!strcasecmp(args[0], "auto"))
{
wrq.u.bitrate.value = -1;
wrq.u.bitrate.fixed = 0;
}
else
{
if(!strcasecmp(args[0], "fixed"))
{
/* Get old bitrate */
if(iw_get_ext(skfd, ifname, SIOCGIWRATE, &wrq) < 0)
return(IWERR_GET_EXT);
wrq.u.bitrate.fixed = 1;
}
else /* Should be a numeric value */
{
double brate;
char * unit;
brate = strtod(args[0], &unit);
if(unit == args[0])
{
errarg = 0;
return(IWERR_ARG_TYPE);
}
if(unit != NULL)
{
if(unit[0] == 'G') brate *= GIGA;
if(unit[0] == 'M') brate *= MEGA;
if(unit[0] == 'k') brate *= KILO;
}
wrq.u.bitrate.value = (long) brate;
wrq.u.bitrate.fixed = 1;
/* Check for an additional argument */
if((i < count) && (!strcasecmp(args[i], "auto")))
{
wrq.u.bitrate.fixed = 0;
++i;
}
if((i < count) && (!strcasecmp(args[i], "fixed")))
{
wrq.u.bitrate.fixed = 1;
++i;
}
if((i < count) && (!strcasecmp(args[i], "unicast")))
{
wrq.u.bitrate.flags |= IW_BITRATE_UNICAST;
++i;
}
if((i < count) && (!strcasecmp(args[i], "broadcast")))
{
wrq.u.bitrate.flags |= IW_BITRATE_BROADCAST;
++i;
}
}
}
if(iw_set_ext(skfd, ifname, SIOCSIWRATE, &wrq) < 0)
return(IWERR_SET_EXT);
/* Var args */
return(i);
}
/*------------------------------------------------------------------*/
/*
* Set encryption
*/
static int
set_enc_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
int i = 1;
unsigned char key[IW_ENCODING_TOKEN_MAX];
if(!strcasecmp(args[0], "on"))
{
/* Get old encryption information */
wrq.u.data.pointer = (caddr_t) key;
wrq.u.data.length = IW_ENCODING_TOKEN_MAX;
wrq.u.data.flags = 0;
if(iw_get_ext(skfd, ifname, SIOCGIWENCODE, &wrq) < 0)
return(IWERR_GET_EXT);
wrq.u.data.flags &= ~IW_ENCODE_DISABLED; /* Enable */
}
else
{
int gotone = 0;
int oldone;
int keylen;
int temp;
wrq.u.data.pointer = (caddr_t) NULL;
wrq.u.data.flags = 0;
wrq.u.data.length = 0;
i = 0;
/* Allow arguments in any order (it's safe) */
do
{
oldone = gotone;
/* -- Check for the key -- */
if(i < count)
{
keylen = iw_in_key_full(skfd, ifname,
args[i], key, &wrq.u.data.flags);
if(keylen > 0)
{
wrq.u.data.length = keylen;
wrq.u.data.pointer = (caddr_t) key;
++i;
gotone++;
}
}
/* -- Check for token index -- */
if((i < count) &&
(sscanf(args[i], "[%i]", &temp) == 1) &&
(temp > 0) && (temp < IW_ENCODE_INDEX))
{
wrq.u.encoding.flags |= temp;
++i;
gotone++;
}
/* -- Check the various flags -- */
if((i < count) && (!strcasecmp(args[i], "off")))
{
wrq.u.data.flags |= IW_ENCODE_DISABLED;
++i;
gotone++;
}
if((i < count) && (!strcasecmp(args[i], "open")))
{
wrq.u.data.flags |= IW_ENCODE_OPEN;
++i;
gotone++;
}
if((i < count) && (!strncasecmp(args[i], "restricted", 5)))
{
wrq.u.data.flags |= IW_ENCODE_RESTRICTED;
++i;
gotone++;
}
if((i < count) && (!strncasecmp(args[i], "temporary", 4)))
{
wrq.u.data.flags |= IW_ENCODE_TEMP;
++i;
gotone++;
}
}
while(gotone != oldone);
/* Pointer is absent in new API */
if(wrq.u.data.pointer == NULL)
wrq.u.data.flags |= IW_ENCODE_NOKEY;
/* Check if we have any invalid argument */
if(!gotone)
{
errarg = 0;
return(IWERR_ARG_TYPE);
}
}
if(iw_set_ext(skfd, ifname, SIOCSIWENCODE, &wrq) < 0)
return(IWERR_SET_EXT);
/* Var arg */
return(i);
}
/*------------------------------------------------------------------*/
/*
* Set Power Management