/*
* Wireless Tools
*
- * Jean II - HPLB '99
+ * Jean II - HPLB 97->99 - HPL 99->04
*
* Main code for "iwconfig". This is the generic tool for most
* manipulations...
- * You need to link this code against "iwcommon.c" and "-lm".
+ * You need to link this code against "iwlib.c" and "-lm".
+ *
+ * This file is released under the GPL license.
+ * Copyright (c) 1997-2004 Jean Tourrilhes <jt@hpl.hp.com>
*/
-#include "iwcommon.h" /* Header */
+#include "iwlib.h" /* Header */
/************************* MISC SUBROUTINES **************************/
{
fprintf(stderr, "Usage: iwconfig interface [essid {NN|on|off}]\n");
fprintf(stderr, " [nwid {NN|on|off}]\n");
+ fprintf(stderr, " [mode {managed|ad-hoc|...}\n");
fprintf(stderr, " [freq N.NNNN[k|M|G]]\n");
fprintf(stderr, " [channel N]\n");
+ fprintf(stderr, " [ap {N|off|auto}]\n");
fprintf(stderr, " [sens N]\n");
fprintf(stderr, " [nick N]\n");
fprintf(stderr, " [rate {N|auto|fixed}]\n");
fprintf(stderr, " [rts {N|auto|fixed|off}]\n");
fprintf(stderr, " [frag {N|auto|fixed|off}]\n");
- fprintf(stderr, " [enc NNNN-NNNN]\n");
- exit(1);
+ fprintf(stderr, " [enc {NNNN-NNNN|off}]\n");
+ fprintf(stderr, " [power {period N|timeout N}]\n");
+ fprintf(stderr, " [txpower N {mW|dBm}]\n");
+ fprintf(stderr, " [commit]\n");
+ fprintf(stderr, " Check man pages for more details.\n\n");
}
/*------------------------------------------------------------------*/
/*
- * Read /proc/net/wireless to get the latest statistics
- */
-static int
-iw_getstats(char * ifname,
- iwstats * stats)
-{
- FILE *f=fopen("/proc/net/wireless","r");
- char buf[256];
- char *bp;
- if(f==NULL)
- return -1;
- while(fgets(buf,255,f))
- {
- bp=buf;
- while(*bp&&isspace(*bp))
- bp++;
- if(strncmp(bp,ifname,strlen(ifname))==0 && bp[strlen(ifname)]==':')
- {
- bp=strchr(bp,':');
- bp++;
- bp = strtok(bp, " .");
- sscanf(bp, "%X", (unsigned int *)&stats->status);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", (unsigned int *)&stats->qual.qual);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", (unsigned int *)&stats->qual.level);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", (unsigned int *)&stats->qual.noise);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", &stats->discard.nwid);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", &stats->discard.code);
- bp = strtok(NULL, " .");
- sscanf(bp, "%d", &stats->discard.misc);
- fclose(f);
- return 0;
- }
- }
- fclose(f);
- return 0;
-}
-
-/*------------------------------------------------------------------*/
-/*
* 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...
memset((char *) info, 0, sizeof(struct wireless_info));
- /* Get wireless name */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWNAME, &wrq) < 0)
- /* If no wireless name : no wireless extensions */
- return(-1);
- else
- strcpy(info->name, wrq.u.name);
-
- /* Get network ID */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWNWID, &wrq) >= 0)
+ /* Get basic information */
+ if(iw_get_basic_config(skfd, ifname, &(info->b)) < 0)
{
- info->has_nwid = 1;
- info->nwid_on = wrq.u.nwid.on;
- info->nwid = wrq.u.nwid.nwid;
- }
+ /* If no wireless name : no wireless extensions */
+ /* But let's check if the interface exists at all */
+ struct ifreq ifr;
- /* Get frequency / channel */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWFREQ, &wrq) >= 0)
- {
- info->has_freq = 1;
- info->freq = freq2float(&(wrq.u.freq));
+ 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 sensitivity */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWSENS, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWSENS, &wrq) >= 0)
{
info->has_sens = 1;
- info->sens = wrq.u.sensitivity;
- }
-
- /* Get encryption information */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWENCODE, &wrq) >= 0)
- {
- info->has_enc = 1;
- info->enc_method = wrq.u.encoding.method;
- info->enc_key = wrq.u.encoding.code;
- }
-
-#if WIRELESS_EXT > 5
- /* Get ESSID */
- strcpy(wrq.ifr_name, ifname);
- wrq.u.data.pointer = (caddr_t) info->essid;
- wrq.u.data.length = 0;
- wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWESSID, &wrq) >= 0)
- {
- info->has_essid = 1;
- info->essid_on = wrq.u.data.flags;
+ memcpy(&(info->sens), &(wrq.u.sens), sizeof(iwparam));
}
/* Get AP address */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWAP, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWAP, &wrq) >= 0)
{
info->has_ap_addr = 1;
memcpy(&(info->ap_addr), &(wrq.u.ap_addr), sizeof (sockaddr));
}
-#endif /* WIRELESS_EXT > 5 */
-#if WIRELESS_EXT > 7
/* Get NickName */
- strcpy(wrq.ifr_name, ifname);
- wrq.u.data.pointer = (caddr_t) info->nickname;
- wrq.u.data.length = 0;
- wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWNICKN, &wrq) >= 0)
+ 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;
/* Get bit rate */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWRATE, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWRATE, &wrq) >= 0)
{
info->has_bitrate = 1;
- info->bitrate_fixed = wrq.u.bitrate.fixed;
- info->bitrate = wrq.u.bitrate.value;
+ memcpy(&(info->bitrate), &(wrq.u.bitrate), sizeof(iwparam));
}
/* Get RTS threshold */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWRTS, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWRTS, &wrq) >= 0)
{
info->has_rts = 1;
- info->rts_fixed = wrq.u.rts.fixed;
- info->rts = wrq.u.rts.value;
+ memcpy(&(info->rts), &(wrq.u.rts), sizeof(iwparam));
}
- /* Get fragmentation thershold */
- strcpy(wrq.ifr_name, ifname);
- if(ioctl(skfd, SIOCGIWFRAG, &wrq) >= 0)
+ /* Get fragmentation threshold */
+ if(iw_get_ext(skfd, ifname, SIOCGIWFRAG, &wrq) >= 0)
{
info->has_frag = 1;
- info->frag_fixed = wrq.u.frag.fixed;
- info->frag = wrq.u.frag.value;
+ memcpy(&(info->frag), &(wrq.u.frag), 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));
+ }
+
+ 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));
+ }
+ }
+
+ 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));
+ }
}
-#endif /* WIRELESS_EXT > 7 */
/* Get stats */
- if(iw_getstats(ifname, &(info->stats)) == 0)
+ if(iw_get_stats(skfd, ifname, &(info->stats),
+ &info->range, info->has_range) >= 0)
{
info->has_stats = 1;
}
- /* Get ranges */
- if(get_range_info(skfd, ifname, &(info->range)) >= 0)
- info->has_range = 1;
-
return(0);
}
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("%-8.8s %s ", ifname, info->name);
+ printf("%-8.16s %s ", ifname, info->b.name);
/* Display ESSID (extended network), if any */
- if(info->has_essid)
+ if(info->b.has_essid)
{
- if(info->essid_on)
- printf("ESSID:\"%s\" ", info->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 ");
+ printf("ESSID:off/any ");
}
/* Display NickName (station name), if any */
printf("Nickname:\"%s\"", info->nickname);
/* Formatting */
- if(info->has_essid || info->has_nickname)
- printf("\n ");
+ if(info->b.has_essid || info->has_nickname)
+ {
+ printf("\n ");
+ tokens = 0;
+ }
/* Display Network ID */
- if(info->has_nwid)
+ if(info->b.has_nwid)
{
- /* Note : should display right number of digit according to info
+ /* Note : should display proper number of digit according to info
* in range structure */
- if(info->nwid_on)
- printf("NWID:%lX ", info->nwid);
- else
+ if(info->b.nwid.disabled)
printf("NWID:off/any ");
+ else
+ printf("NWID:%X ", info->b.nwid.value);
+ tokens +=2;
}
- /* Display frequency / channel */
- if(info->has_freq)
+ /* Display the current mode of operation */
+ if(info->b.has_mode)
{
- 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);
- }
- }
+ printf("Mode:%s ", iw_operation_mode[info->b.mode]);
+ tokens +=3;
}
- /* Display sensitivity */
- if(info->has_sens)
+ /* Display frequency / channel */
+ if(info->b.has_freq)
{
- if(info->has_range)
- /* Display in dBm ? */
- if(info->sens < 0)
- printf("Sensitivity:%d dBm ", info->sens);
- else
- printf("Sensitivity:%d/%d ", info->sens, info->range.sensitivity);
- else
- printf("Sensitivity:%d ", info->sens);
+ double freq = info->b.freq; /* Frequency/channel */
+ int channel = -1; /* Converted to channel */
+ /* Some driver 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((info->has_nwid + 2*info->has_freq + 2*info->has_sens
- + !info->has_essid) > 3)
- printf("\n ");
+ if(tokens > 8)
+ {
+ printf("\n ");
+ tokens = 0;
+ }
+ tokens +=6;
- printf("Access Point: %s", pr_ether(info->ap_addr.sa_data));
+ /* 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_pr_ether(buffer, info->ap_addr.sa_data));
}
- printf("\n ");
-
/* Display the currently used/set bit-rate */
if(info->has_bitrate)
{
- printf("Bit Rate:");
- if(info->bitrate >= GIGA)
- printf("%g Gb/s", info->bitrate / GIGA);
+ /* 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);
+ }
+
+ /* 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 ? */
+ if(info->sens.fixed)
+ printf("Sensitivity=");
else
- if(info->bitrate >= MEGA)
- printf("%g Mb/s", info->bitrate / MEGA);
+ printf("Sensitivity:");
+
+ if(info->has_range)
+ /* Display in dBm ? */
+ if(info->sens.value < 0)
+ printf("%d dBm ", info->sens.value);
else
- printf("%g kb/s", info->bitrate / KILO);
+ printf("%d/%d ", info->sens.value, info->range.sensitivity);
+ else
+ printf("%d ", info->sens.value);
+ }
- /* Fixed ? */
- if(info->bitrate_fixed)
- printf(" (f) ");
+ printf("\n ");
+ tokens = 0;
+
+ /* Display retry limit/lifetime information */
+ if(info->has_retry)
+ {
+ printf("Retry");
+ /* Disabled ? */
+ if(info->retry.disabled)
+ printf(":off");
else
- printf(" ");
+ {
+ /* 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);
+ 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)
{
- printf("RTS thr:%ld B", info->rts);
-
- /* Fixed ? */
- if(info->rts_fixed)
- printf(" (f) ");
+ /* Disabled ? */
+ if(info->rts.disabled)
+ printf("RTS thr:off ");
else
- printf(" ");
+ {
+ /* Fixed ? */
+ if(info->rts.fixed)
+ printf("RTS thr=");
+ else
+ printf("RTS thr:");
+
+ printf("%d B ", info->rts.value);
+ }
+ tokens += 3;
}
/* Display the fragmentation threshold */
- if(info->has_bitrate)
+ if(info->has_frag)
{
- printf("Frag thr:%ld B", info->frag);
+ /* A bit of clever formatting */
+ if(tokens > 10)
+ {
+ printf("\n ");
+ tokens = 0;
+ }
+ tokens +=4;
- /* Fixed ? */
- if(info->frag_fixed)
- printf(" (f) ");
+ /* Disabled ? */
+ if(info->frag.disabled)
+ printf("Fragment thr:off");
else
- printf(" ");
+ {
+ /* Fixed ? */
+ if(info->frag.fixed)
+ printf("Fragment thr=");
+ else
+ printf("Fragment thr:");
+
+ printf("%d B ", info->frag.value);
+ }
}
/* Formating */
- if((info->has_bitrate) || (info->has_rts) || (info->has_bitrate))
+ if(tokens > 0)
printf("\n ");
- if(info->has_enc)
+ /* 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->enc_method)
+ if((info->b.key_flags & IW_ENCODE_DISABLED) || (info->b.key_size == 0))
+ printf("off\n ");
+ else
{
- int i = 0;
- u_short parts[4];
- long long key = info->enc_key;
+ /* 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 ");
+ }
+ }
- for(i = 3; i >= 0; i--)
+ /* 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\n ");
+ else
+ {
+ /* Let's check the value and its type */
+ if(info->power.flags & IW_POWER_TYPE)
{
- parts[i] = key & 0xFFFF;
- key >>= 16;
+ iw_print_pm_value(buffer, sizeof(buffer),
+ info->power.value, info->power.flags);
+ printf("%s ", buffer);
}
- i = 0;
- while((parts[i] == 0) && (i < 3))
- i++;
- for(; i < 3; i++)
- printf("%.4X-", parts[i]);
- printf("%.4X", parts[3]);
+ /* Let's check the mode */
+ iw_print_pm_mode(buffer, sizeof(buffer), info->power.flags);
+ printf("%s", buffer);
- if(info->enc_method > 1)
- printf(" (%d)", info->enc_method);
+ /* Let's check if nothing (simply on) */
+ if(info->power.flags == IW_POWER_ON)
+ printf(":on");
printf("\n ");
}
- else
- printf("off\n ");
}
+ /* Display statistics */
if(info->has_stats)
{
- if(info->has_range && (info->stats.qual.level != 0))
- /* If the statistics are in dBm */
- if(info->stats.qual.level > info->range.max_qual.level)
- printf("Link quality:%d/%d Signal level:%d dBm Noise level:%d dBm\n",
- info->stats.qual.qual, info->range.max_qual.qual,
- info->stats.qual.level - 0x100,
- info->stats.qual.noise - 0x100);
- else
- /* Statistics are relative values (0 -> max) */
- printf("Link quality:%d/%d Signal level:%d/%d Noise level:%d/%d\n",
- info->stats.qual.qual, info->range.max_qual.qual,
- info->stats.qual.level, info->range.max_qual.level,
- info->stats.qual.noise, info->range.max_qual.noise);
+ 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
- /* We can't read the range, so we don't know... */
- printf("Link quality:%d Signal level:%d Noise level:%d\n",
- info->stats.qual.qual,
- info->stats.qual.level,
- info->stats.qual.noise);
-
- 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(" 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 void
+static int
print_info(int skfd,
- char * ifname)
+ char * ifname,
+ char * args[],
+ int count)
{
struct wireless_info info;
+ int rc;
- if(get_info(skfd, ifname, &info) < 0)
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
+
+ rc = get_info(skfd, ifname, &info);
+ switch(rc)
{
- fprintf(stderr, "%-8.8s no wireless extensions.\n\n",
+ case 0: /* Success */
+ /* Display it ! */
+ display_info(&info, ifname);
+ break;
+
+ case -ENOTSUP:
+ fprintf(stderr, "%-8.16s no wireless extensions.\n\n",
ifname);
- return;
- }
+ break;
- /* Display it ! */
- display_info(&info, ifname);
+ default:
+ fprintf(stderr, "%-8.16s %s\n\n", ifname, strerror(-rc));
+ }
+ return(rc);
}
+/************************* SETTING ROUTINES **************************/
+
/*------------------------------------------------------------------*/
/*
- * Get info on all devices and print it on the screen
+ * Macro to handle errors when setting WE
+ * Print a nice error message and exit...
+ * We define them as macro so that "return" do the right thing.
+ * The "do {...} while(0)" is a standard trick
*/
-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;
- }
- ifr = ifc.ifc_req;
+#define ERR_SET_EXT(rname, request) \
+ fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n", \
+ rname, request)
+
+#define ABORT_ARG_NUM(rname, request) \
+ do { \
+ ERR_SET_EXT(rname, request); \
+ fprintf(stderr, " too few arguments.\n"); \
+ return(-1); \
+ } while(0)
+
+#define ABORT_ARG_TYPE(rname, request, arg) \
+ do { \
+ ERR_SET_EXT(rname, request); \
+ fprintf(stderr, " invalid argument \"%s\".\n", arg); \
+ return(-2); \
+ } while(0)
+
+#define ABORT_ARG_SIZE(rname, request, max) \
+ do { \
+ ERR_SET_EXT(rname, request); \
+ fprintf(stderr, " argument too big (max %d)\n", max); \
+ return(-3); \
+ } while(0)
- /* Print them */
- for(i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; ifr++)
- print_info(skfd, ifr->ifr_name);
-}
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to push some Wireless Parameter in the driver
+ * Use standard wrapper and add pretty error message if fail...
+ */
+#define IW_SET_EXT_ERR(skfd, ifname, request, wrq, rname) \
+ do { \
+ if(iw_set_ext(skfd, ifname, request, wrq) < 0) { \
+ ERR_SET_EXT(rname, request); \
+ fprintf(stderr, " SET failed on device %-1.16s ; %s.\n", \
+ ifname, strerror(errno)); \
+ return(-5); \
+ } } while(0)
-/************************* SETTING ROUTINES **************************/
+/*------------------------------------------------------------------*/
+/*
+ * Wrapper to extract some Wireless Parameter out of the driver
+ * Use standard wrapper and add pretty error message if fail...
+ */
+#define IW_GET_EXT_ERR(skfd, ifname, request, wrq, rname) \
+ do { \
+ if(iw_get_ext(skfd, ifname, request, wrq) < 0) { \
+ ERR_SET_EXT(rname, request); \
+ fprintf(stderr, " GET failed on device %-1.16s ; %s.\n", \
+ ifname, strerror(errno)); \
+ return(-6); \
+ } } while(0)
/*------------------------------------------------------------------*/
/*
struct iwreq wrq;
int i;
- /* Set dev name */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
-
- /* if nothing after the device name */
- if(count<1)
- iw_usage();
+ /* if nothing after the device name - will never happen */
+ if(count < 1)
+ {
+ fprintf(stderr, "Error : too few arguments.\n");
+ return(-1);
+ }
/* The other args on the line specify options to be set... */
for(i = 0; i < count; i++)
{
+ /* ---------- Commit changes to driver ---------- */
+ if(!strncmp(args[i], "commit", 6))
+ {
+ /* No args */
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWCOMMIT, &wrq,
+ "Commit changes");
+ continue;
+ }
+
/* ---------- Set network ID ---------- */
if((!strcasecmp(args[i], "nwid")) ||
(!strcasecmp(args[i], "domain")))
{
i++;
if(i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set NWID", SIOCSIWNWID);
if((!strcasecmp(args[i], "off")) ||
(!strcasecmp(args[i], "any")))
- wrq.u.nwid.on = 0;
+ wrq.u.nwid.disabled = 1;
else
if(!strcasecmp(args[i], "on"))
{
/* Get old nwid */
- if(ioctl(skfd, SIOCGIWNWID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWNWID: %s\n", strerror(errno));
- return(-1);
- }
- strcpy(wrq.ifr_name, ifname);
- wrq.u.nwid.on = 1;
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWNWID, &wrq,
+ "Set NWID");
+ wrq.u.nwid.disabled = 0;
}
else
- if(sscanf(args[i], "%lX", (unsigned long *) &(wrq.u.nwid.nwid))
+ if(sscanf(args[i], "%lX", (unsigned long *) &(wrq.u.nwid.value))
!= 1)
- iw_usage();
+ ABORT_ARG_TYPE("Set NWID", SIOCSIWNWID, args[i]);
else
- wrq.u.nwid.on = 1;
+ wrq.u.nwid.disabled = 0;
+ wrq.u.nwid.fixed = 1;
- if(ioctl(skfd, SIOCSIWNWID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWNWID: %s\n", strerror(errno));
- return(-1);
- }
+ /* Set new nwid */
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWNWID, &wrq,
+ "Set NWID");
continue;
}
double freq;
if(++i >= count)
- iw_usage();
- if(sscanf(args[i], "%lg", &(freq)) != 1)
- iw_usage();
- if(index(args[i], 'G')) freq *= GIGA;
- if(index(args[i], 'M')) freq *= MEGA;
- if(index(args[i], 'k')) freq *= KILO;
+ ABORT_ARG_NUM("Set Frequency", SIOCSIWFREQ);
+ if(!strcasecmp(args[i], "auto"))
+ {
+ wrq.u.freq.m = -1;
+ wrq.u.freq.e = 0;
+ wrq.u.freq.flags = 0;
+ }
+ else
+ {
+ if(!strcasecmp(args[i], "fixed"))
+ {
+ /* Get old bitrate */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWFREQ, &wrq,
+ "Set Bit Rate");
+ wrq.u.freq.flags = IW_FREQ_FIXED;
+ }
+ else /* Should be a numeric value */
+ {
+ if(sscanf(args[i], "%lg", &(freq)) != 1)
+ ABORT_ARG_TYPE("Set Frequency", SIOCSIWFREQ, args[i]);
+ if(index(args[i], 'G')) freq *= GIGA;
+ if(index(args[i], 'M')) freq *= MEGA;
+ if(index(args[i], 'k')) freq *= KILO;
- float2freq(freq, &(wrq.u.freq));
+ iw_float2freq(freq, &(wrq.u.freq));
- if(ioctl(skfd, SIOCSIWFREQ, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWFREQ: %s\n", strerror(errno));
- return(-1);
+ wrq.u.freq.flags = IW_FREQ_FIXED;
+
+ /* Check for an additional argument */
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "auto")))
+ {
+ wrq.u.freq.flags = 0;
+ ++i;
+ }
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "fixed")))
+ {
+ wrq.u.freq.flags = IW_FREQ_FIXED;
+ ++i;
+ }
+ }
}
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq,
+ "Set Frequency");
continue;
}
if(!strncmp(args[i], "sens", 4))
{
if(++i >= count)
- iw_usage();
- if(sscanf(args[i], "%d", &(wrq.u.sensitivity)) != 1)
- iw_usage();
+ ABORT_ARG_NUM("Set Sensitivity", SIOCSIWSENS);
+ if(sscanf(args[i], "%i", &(wrq.u.sens.value)) != 1)
+ ABORT_ARG_TYPE("Set Sensitivity", SIOCSIWSENS, args[i]);
- if(ioctl(skfd, SIOCSIWSENS, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWSENS: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWSENS, &wrq,
+ "Set Sensitivity");
continue;
}
/* ---------- Set encryption stuff ---------- */
- if(!strncmp(args[i], "enc", 3 ))
+ if((!strncmp(args[i], "enc", 3)) ||
+ (!strcmp(args[i], "key")))
{
- unsigned long long key = 0;
+ unsigned char key[IW_ENCODING_TOKEN_MAX];
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Encode", SIOCSIWENCODE);
- if(!strcasecmp(args[i], "off"))
- wrq.u.encoding.method = 0;
+ if(!strcasecmp(args[i], "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;
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWENCODE, &wrq,
+ "Set Encode");
+ wrq.u.data.flags &= ~IW_ENCODE_DISABLED; /* Enable */
+ }
else
{
- if(!strcasecmp(args[i], "on"))
+ 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;
+
+ /* Allow arguments in any order (it's safe) */
+ do
{
- /* Get old encryption information */
- if(ioctl(skfd, SIOCGIWENCODE, &wrq) < 0)
+ oldone = gotone;
+
+ /* -- Check for the key -- */
+ if(i < count)
{
- fprintf(stderr, "SIOCGIWENCODE: %s\n", strerror(errno));
- return(-1);
+ 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++;
+ }
}
- strcpy(wrq.ifr_name, ifname);
- }
- else
- {
- char * buff;
- char * p;
- u_long temp;
-
- p = buff = malloc(strlen(args[i] + 1));
- strcpy(buff, args[i]);
- p = strtok(buff, "-:;.,*#");
- while(p != (char *) NULL)
+ /* -- Check for token index -- */
+ if((i < count) &&
+ (sscanf(args[i], "[%i]", &temp) == 1) &&
+ (temp > 0) && (temp < IW_ENCODE_INDEX))
{
- key = key << 16;
- if(sscanf(p, "%lX", &temp) != 1)
- iw_usage();
- key += temp;
- p = strtok((char *) NULL, "-:;.,*#");
+ wrq.u.encoding.flags |= temp;
+ ++i;
+ gotone++;
}
- free(buff);
- wrq.u.encoding.code = key;
+ /* -- 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++;
+ }
}
- /* TODO : check for "(method)" in args list */
- wrq.u.encoding.method = 1;
- }
+ while(gotone != oldone);
- if(ioctl(skfd, SIOCSIWENCODE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWENCODE(%d): %s\n",
- errno, strerror(errno));
- return(-1);
+ /* 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)
+ ABORT_ARG_TYPE("Set Encode", SIOCSIWENCODE, args[i]);
+ /* Get back to last processed argument */
+ --i;
}
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq,
+ "Set Encode");
continue;
}
-#if WIRELESS_EXT > 5
/* ---------- Set ESSID ---------- */
if(!strcasecmp(args[i], "essid"))
{
i++;
if(i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set ESSID", SIOCSIWESSID);
if((!strcasecmp(args[i], "off")) ||
(!strcasecmp(args[i], "any")))
{
- wrq.u.data.flags = 0;
+ wrq.u.essid.flags = 0;
essid[0] = '\0';
}
else
if(!strcasecmp(args[i], "on"))
{
/* Get old essid */
- wrq.u.data.pointer = (caddr_t) essid;
- wrq.u.data.length = 0;
- wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWESSID, &wrq) < 0)
+ wrq.u.essid.pointer = (caddr_t) essid;
+ wrq.u.essid.length = IW_ESSID_MAX_SIZE + 1;
+ wrq.u.essid.flags = 0;
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWESSID, &wrq,
+ "Set ESSID");
+ wrq.u.essid.flags = 1;
+ }
+ else
+ {
+ /* '-' 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[i], "-"))
+ {
+ i++;
+ if(i >= count)
+ ABORT_ARG_NUM("Set ESSID", SIOCSIWESSID);
+ }
+
+ /* Check the size of what the user passed us to avoid
+ * buffer overflows */
+ if(strlen(args[i]) > IW_ESSID_MAX_SIZE)
+ ABORT_ARG_SIZE("Set ESSID", SIOCSIWESSID, IW_ESSID_MAX_SIZE);
+ else
{
- fprintf(stderr, "SIOCGIWESSID: %s\n", strerror(errno));
- return(-1);
+ int temp;
+
+ wrq.u.essid.flags = 1;
+ strcpy(essid, args[i]); /* Size checked, all clear */
+
+ /* Check for ESSID index */
+ if(((i+1) < count) &&
+ (sscanf(args[i+1], "[%i]", &temp) == 1) &&
+ (temp > 0) && (temp < IW_ENCODE_INDEX))
+ {
+ wrq.u.essid.flags = temp;
+ ++i;
+ }
}
- strcpy(wrq.ifr_name, ifname);
- wrq.u.data.flags = 1;
}
- else
- if(strlen(args[i]) > IW_ESSID_MAX_SIZE)
- {
- fprintf(stderr, "ESSID too long (max %d): ``%s''\n",
- IW_ESSID_MAX_SIZE, args[i]);
- iw_usage();
- }
- else
- {
- wrq.u.data.flags = 1;
- strcpy(essid, args[i]);
- }
- wrq.u.data.pointer = (caddr_t) essid;
- wrq.u.data.length = strlen(essid) + 1;
- if(ioctl(skfd, SIOCSIWESSID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWESSID: %s\n", strerror(errno));
- return(-1);
- }
+ wrq.u.essid.pointer = (caddr_t) essid;
+ wrq.u.essid.length = strlen(essid) + 1;
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq,
+ "Set ESSID");
continue;
}
if(!strcasecmp(args[i], "ap"))
{
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set AP Address", SIOCSIWAP);
- /* Check if we have valid address types */
- if(check_addr_type(skfd, ifname) < 0)
+ if((!strcasecmp(args[i], "auto")) ||
+ (!strcasecmp(args[i], "any")))
{
- fprintf(stderr, "%-8.8s Interface doesn't support MAC & IP addresses\n", ifname);
- return(-1);
+ /* Send a broadcast address */
+ iw_broad_ether(&(wrq.u.ap_addr));
}
-
- /* Get the address */
- if(in_addr(skfd, ifname, args[i++], &(wrq.u.ap_addr)) < 0)
- iw_usage();
-
- if(ioctl(skfd, SIOCSIWAP, &wrq) < 0)
+ else
{
- fprintf(stderr, "SIOCSIWAP: %s\n", strerror(errno));
- return(-1);
+ 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");
continue;
}
-#endif /* WIRELESS_EXT > 5 */
-#if WIRELESS_EXT > 7
/* ---------- Set NickName ---------- */
if(!strncmp(args[i], "nick", 4))
{
i++;
if(i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Nickname", SIOCSIWNICKN);
if(strlen(args[i]) > IW_ESSID_MAX_SIZE)
- {
- fprintf(stderr, "Name too long (max %d) : ``%s''\n",
- IW_ESSID_MAX_SIZE, args[i]);
- iw_usage();
- }
+ ABORT_ARG_SIZE("Set Nickname", SIOCSIWNICKN, IW_ESSID_MAX_SIZE);
- wrq.u.data.pointer = (caddr_t) args[i];
- wrq.u.data.length = strlen(args[i]) + 1;
- if(ioctl(skfd, SIOCSIWNICKN, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWNICKN: %s\n", strerror(errno));
- return(-1);
- }
+ wrq.u.essid.pointer = (caddr_t) args[i];
+ wrq.u.essid.length = strlen(args[i]) + 1;
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWNICKN, &wrq,
+ "Set Nickname");
continue;
}
if((!strncmp(args[i], "bit", 3)) ||
(!strcmp(args[i], "rate")))
{
- i++;
- if(i >= count)
- iw_usage();
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Bit Rate", SIOCSIWRATE);
if(!strcasecmp(args[i], "auto"))
{
wrq.u.bitrate.value = -1;
if(!strcasecmp(args[i], "fixed"))
{
/* Get old bitrate */
- if(ioctl(skfd, SIOCGIWRATE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWRATE: %s\n", strerror(errno));
- return(-1);
- }
- strcpy(wrq.ifr_name, ifname);
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWRATE, &wrq,
+ "Set Bit Rate");
+ wrq.u.bitrate.fixed = 1;
}
else /* Should be a numeric value */
{
double brate;
if(sscanf(args[i], "%lg", &(brate)) != 1)
- iw_usage();
+ ABORT_ARG_TYPE("Set Bit Rate", SIOCSIWRATE, args[i]);
if(index(args[i], 'G')) brate *= GIGA;
if(index(args[i], 'M')) brate *= MEGA;
if(index(args[i], 'k')) brate *= KILO;
wrq.u.bitrate.value = (long) brate;
+ wrq.u.bitrate.fixed = 1;
+
+ /* Check for an additional argument */
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "auto")))
+ {
+ wrq.u.bitrate.fixed = 0;
+ ++i;
+ }
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "fixed")))
+ {
+ wrq.u.bitrate.fixed = 1;
+ ++i;
+ }
}
- wrq.u.bitrate.fixed = 1;
}
- if(ioctl(skfd, SIOCSIWRATE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWRATE: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRATE, &wrq,
+ "Set Bit Rate");
continue;
}
/* ---------- Set RTS threshold ---------- */
- if(!strncmp(args[i], "rts", 3))
+ if(!strncasecmp(args[i], "rts", 3))
{
i++;
if(i >= count)
- iw_usage();
- if(!strcasecmp(args[i], "auto"))
- {
- wrq.u.rts.value = -1;
- wrq.u.rts.fixed = 0;
- }
+ ABORT_ARG_NUM("Set RTS Threshold", SIOCSIWRTS);
+ wrq.u.rts.value = -1;
+ wrq.u.rts.fixed = 1;
+ wrq.u.rts.disabled = 0;
+ if(!strcasecmp(args[i], "off"))
+ wrq.u.rts.disabled = 1; /* i.e. max size */
else
- {
- if(!strcasecmp(args[i], "fixed"))
- {
- /* Get old RTS threshold */
- if(ioctl(skfd, SIOCGIWRTS, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWRTS: %s\n", strerror(errno));
- return(-1);
- }
- strcpy(wrq.ifr_name, ifname);
- }
- else
- if(!strcasecmp(args[i], "off"))
- wrq.u.rts.value = -1; /* i.e. max size */
+ if(!strcasecmp(args[i], "auto"))
+ wrq.u.rts.fixed = 0;
+ else
+ {
+ if(!strcasecmp(args[i], "fixed"))
+ {
+ /* Get old RTS threshold */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWRTS, &wrq,
+ "Set RTS Threshold");
+ wrq.u.rts.fixed = 1;
+ }
else /* Should be a numeric value */
- if(sscanf(args[i], "%ld", (unsigned long *) &(wrq.u.rts.value))
+ if(sscanf(args[i], "%li", (unsigned long *) &(wrq.u.rts.value))
!= 1)
- iw_usage();
-
- wrq.u.rts.fixed = 1;
+ ABORT_ARG_TYPE("Set RTS Threshold", SIOCSIWRTS, args[i]);
}
- if(ioctl(skfd, SIOCSIWRTS, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWRTS: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRTS, &wrq,
+ "Set RTS Threshold");
continue;
}
{
i++;
if(i >= count)
- iw_usage();
- if(!strcasecmp(args[i], "auto"))
- {
- wrq.u.frag.value = -1;
+ ABORT_ARG_NUM("Set Fragmentation Threshold", SIOCSIWFRAG);
+ wrq.u.frag.value = -1;
+ wrq.u.frag.fixed = 1;
+ wrq.u.frag.disabled = 0;
+ if(!strcasecmp(args[i], "off"))
+ wrq.u.frag.disabled = 1; /* i.e. max size */
+ else
+ if(!strcasecmp(args[i], "auto"))
wrq.u.frag.fixed = 0;
+ else
+ {
+ if(!strcasecmp(args[i], "fixed"))
+ {
+ /* Get old fragmentation threshold */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWFRAG, &wrq,
+ "Set Fragmentation Threshold");
+ wrq.u.frag.fixed = 1;
+ }
+ else /* Should be a numeric value */
+ if(sscanf(args[i], "%li",
+ (unsigned long *) &(wrq.u.frag.value))
+ != 1)
+ ABORT_ARG_TYPE("Set Fragmentation Threshold", SIOCSIWFRAG,
+ args[i]);
}
- else
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFRAG, &wrq,
+ "Set Fragmentation Threshold");
+ continue;
+ }
+
+ /* ---------- Set operation mode ---------- */
+ if(!strcmp(args[i], "mode"))
+ {
+ int k;
+
+ i++;
+ if(i >= count)
+ ABORT_ARG_NUM("Set Mode", SIOCSIWMODE);
+
+ if(sscanf(args[i], "%i", &k) != 1)
{
- if(!strcasecmp(args[i], "fixed"))
- {
- /* Get old fragmentation threshold */
- if(ioctl(skfd, SIOCGIWFRAG, &wrq) < 0)
+ k = 0;
+ while((k < IW_NUM_OPER_MODE) &&
+ strncasecmp(args[i], iw_operation_mode[k], 3))
+ k++;
+ }
+ if((k >= IW_NUM_OPER_MODE) || (k < 0))
+ ABORT_ARG_TYPE("Set Mode", SIOCSIWMODE, args[i]);
+
+ wrq.u.mode = k;
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq,
+ "Set Mode");
+ continue;
+ }
+
+ /* ---------- Set Power Management ---------- */
+ if(!strncmp(args[i], "power", 3))
+ {
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+
+ if(!strcasecmp(args[i], "off"))
+ wrq.u.power.disabled = 1; /* i.e. max size */
+ else
+ if(!strcasecmp(args[i], "on"))
+ {
+ /* Get old Power info */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWPOWER, &wrq,
+ "Set Power Management");
+ wrq.u.power.disabled = 0;
+ }
+ else
+ {
+ double temp;
+ int gotone = 0;
+ /* Default - nope */
+ wrq.u.power.flags = IW_POWER_ON;
+ wrq.u.power.disabled = 0;
+
+ /* Check value modifier */
+ if(!strcasecmp(args[i], "min"))
+ {
+ wrq.u.power.flags |= IW_POWER_MIN;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ }
+ else
+ if(!strcasecmp(args[i], "max"))
{
- fprintf(stderr, "SIOCGIWFRAG: %s\n", strerror(errno));
- return(-1);
+ wrq.u.power.flags |= IW_POWER_MAX;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
}
- strcpy(wrq.ifr_name, ifname);
- }
- else
- if(!strcasecmp(args[i], "off"))
- wrq.u.frag.value = -1; /* i.e. max size */
- else /* Should be a numeric value */
- if(sscanf(args[i], "%ld", (unsigned long *) &(wrq.u.frag.value))
- != 1)
- iw_usage();
- wrq.u.frag.fixed = 1;
+ /* Check value type */
+ if(!strcasecmp(args[i], "period"))
+ {
+ wrq.u.power.flags |= IW_POWER_PERIOD;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ }
+ else
+ if(!strcasecmp(args[i], "timeout"))
+ {
+ wrq.u.power.flags |= IW_POWER_TIMEOUT;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ }
+
+ /* Is there any value to grab ? */
+ if(sscanf(args[i], "%lg", &(temp)) == 1)
+ {
+ temp *= MEGA; /* default = s */
+ if(index(args[i], 'u')) temp /= MEGA;
+ if(index(args[i], 'm')) temp /= KILO;
+ wrq.u.power.value = (long) temp;
+ if((wrq.u.power.flags & IW_POWER_TYPE) == 0)
+ wrq.u.power.flags |= IW_POWER_PERIOD;
+ ++i;
+ gotone = 1;
+ }
+
+ /* Now, check the mode */
+ if(i < count)
+ {
+ if(!strcasecmp(args[i], "all"))
+ wrq.u.power.flags |= IW_POWER_ALL_R;
+ if(!strncasecmp(args[i], "unicast", 4))
+ wrq.u.power.flags |= IW_POWER_UNICAST_R;
+ if(!strncasecmp(args[i], "multicast", 5))
+ wrq.u.power.flags |= IW_POWER_MULTICAST_R;
+ if(!strncasecmp(args[i], "force", 5))
+ wrq.u.power.flags |= IW_POWER_FORCE_S;
+ if(!strcasecmp(args[i], "repeat"))
+ wrq.u.power.flags |= IW_POWER_REPEATER;
+ if(wrq.u.power.flags & IW_POWER_MODE)
+ {
+ ++i;
+ gotone = 1;
+ }
+ }
+ if(!gotone)
+ ABORT_ARG_TYPE("Set Power Management", SIOCSIWPOWER,
+ args[i]);
+ --i;
+ }
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWPOWER, &wrq,
+ "Set Power Management");
+ continue;
+ }
+
+ /* ---------- Set Transmit-Power ---------- */
+ if(!strncmp(args[i], "txpower", 3))
+ {
+ struct iw_range range;
+
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Tx Power", SIOCSIWTXPOW);
+
+ /* Extract range info */
+ if(iw_get_range_info(skfd, ifname, &range) < 0)
+ memset(&range, 0, sizeof(range));
+
+ /* Prepare the request */
+ wrq.u.txpower.value = -1;
+ wrq.u.txpower.fixed = 1;
+ wrq.u.txpower.disabled = 0;
+ wrq.u.txpower.flags = IW_TXPOW_DBM;
+ if(!strcasecmp(args[i], "off"))
+ wrq.u.txpower.disabled = 1; /* i.e. turn radio off */
+ else
+ if(!strcasecmp(args[i], "auto"))
+ wrq.u.txpower.fixed = 0; /* i.e. use power control */
+ else
+ {
+ if(!strcasecmp(args[i], "on"))
+ {
+ /* Get old tx-power */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWTXPOW, &wrq,
+ "Set Tx Power");
+ wrq.u.txpower.disabled = 0;
+ }
+ else
+ {
+ if(!strcasecmp(args[i], "fixed"))
+ {
+ /* Get old tx-power */
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWTXPOW, &wrq,
+ "Set Tx Power");
+ wrq.u.txpower.fixed = 1;
+ wrq.u.txpower.disabled = 0;
+ }
+ else /* Should be a numeric value */
+ {
+ int power;
+ int ismwatt = 0;
+
+ /* Get the value */
+ if(sscanf(args[i], "%i", &(power)) != 1)
+ ABORT_ARG_TYPE("Set Tx Power", SIOCSIWTXPOW,
+ args[i]);
+
+ /* Check if milliwatt */
+ ismwatt = (index(args[i], 'm') != NULL);
+
+ /* Convert */
+ if(range.txpower_capa & IW_TXPOW_RELATIVE)
+ {
+ /* Can't convert */
+ if(ismwatt)
+ ABORT_ARG_TYPE("Set Tx Power",
+ SIOCSIWTXPOW,
+ args[i]);
+ }
+ else
+ if(range.txpower_capa & IW_TXPOW_MWATT)
+ {
+ if(!ismwatt)
+ power = iw_dbm2mwatt(power);
+ wrq.u.txpower.flags = IW_TXPOW_MWATT;
+ }
+ else
+ {
+ if(ismwatt)
+ power = iw_mwatt2dbm(power);
+ wrq.u.txpower.flags = IW_TXPOW_DBM;
+ }
+ wrq.u.txpower.value = power;
+
+ /* Check for an additional argument */
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "auto")))
+ {
+ wrq.u.txpower.fixed = 0;
+ ++i;
+ }
+ if(((i+1) < count) &&
+ (!strcasecmp(args[i+1], "fixed")))
+ {
+ wrq.u.txpower.fixed = 1;
+ ++i;
+ }
+ }
+ }
+ }
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq,
+ "Set Tx Power");
+ continue;
+ }
+
+ /* ---------- Set Retry limit ---------- */
+ if(!strncmp(args[i], "retry", 3))
+ {
+ double temp;
+ int gotone = 0;
+
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+
+ /* Default - nope */
+ wrq.u.retry.flags = IW_RETRY_LIMIT;
+ wrq.u.retry.disabled = 0;
+
+ /* Check value modifier */
+ if(!strcasecmp(args[i], "min"))
+ {
+ wrq.u.retry.flags |= IW_RETRY_MIN;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
+ else
+ if(!strcasecmp(args[i], "max"))
+ {
+ wrq.u.retry.flags |= IW_RETRY_MAX;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+ }
- if(ioctl(skfd, SIOCSIWFRAG, &wrq) < 0)
+ /* Check value type */
+ if(!strcasecmp(args[i], "limit"))
{
- fprintf(stderr, "SIOCSIWFRAG: %s\n", strerror(errno));
- return(-1);
+ wrq.u.retry.flags |= IW_RETRY_LIMIT;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
+ else
+ if(!strncasecmp(args[i], "lifetime", 4))
+ {
+ wrq.u.retry.flags &= ~IW_RETRY_LIMIT;
+ wrq.u.retry.flags |= IW_RETRY_LIFETIME;
+ if(++i >= count)
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+ }
+
+ /* Is there any value to grab ? */
+ if(sscanf(args[i], "%lg", &(temp)) == 1)
+ {
+ /* Limit is absolute, on the other hand lifetime is seconds */
+ if(!(wrq.u.retry.flags & IW_RETRY_LIMIT))
+ {
+ /* Normalise lifetime */
+ temp *= MEGA; /* default = s */
+ if(index(args[i], 'u')) temp /= MEGA;
+ if(index(args[i], 'm')) temp /= KILO;
+ }
+ wrq.u.retry.value = (long) temp;
+ ++i;
+ gotone = 1;
+ }
+
+ if(!gotone)
+ ABORT_ARG_TYPE("Set Retry Limit", SIOCSIWRETRY, args[i]);
+ --i;
+
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRETRY, &wrq,
+ "Set Retry Limit");
continue;
}
-#endif /* WIRELESS_EXT > 7 */
+ /* ---------- Other ---------- */
/* Here we have an unrecognised arg... */
- fprintf(stderr, "Invalid argument : %s\n", args[i]);
- iw_usage();
+ fprintf(stderr, "Error : unrecognised wireless request \"%s\"\n",
+ args[i]);
return(-1);
} /* for(index ... */
return(0);
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. */
- if((skfd = sockets_open()) < 0)
+ if((skfd = iw_sockets_open()) < 0)
{
perror("socket");
exit(-1);
/* 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((!strcmp(argv[1], "-h")) || (!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
+ /* Special case for version... */
+ if (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))
+ goterr = iw_print_version_info("iwconfig");
+ 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);
+ iw_sockets_close(skfd);
return(goterr);
}
-
-