*
* 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) 1997-2002 Jean Tourrilhes <jt@hpl.hp.com>
*/
#include "iwlib.h" /* Header */
fprintf(stderr, " [enc NNNN-NNNN]\n");
fprintf(stderr, " [power { period N|timeout N}]\n");
fprintf(stderr, " [txpower N {mW|dBm}]\n");
- exit(1);
+ fprintf(stderr, " [commit]\n");
}
memset((char *) info, 0, sizeof(struct wireless_info));
/* Get wireless name */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWNAME, &wrq) < 0)
- /* If no wireless name : no wireless extensions */
- return(-1);
+ if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
+ {
+ /* 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);
info->has_range = 1;
/* Get network ID */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWNWID, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWNWID, &wrq) >= 0)
{
info->has_nwid = 1;
memcpy(&(info->nwid), &(wrq.u.nwid), sizeof(iwparam));
}
/* Get frequency / channel */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWFREQ, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWFREQ, &wrq) >= 0)
{
info->has_freq = 1;
info->freq = iw_freq2float(&(wrq.u.freq));
}
/* Get sensitivity */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWSENS, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWSENS, &wrq) >= 0)
{
info->has_sens = 1;
memcpy(&(info->sens), &(wrq.u.sens), sizeof(iwparam));
}
/* Get encryption information */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.data.pointer = (caddr_t) info->key;
- wrq.u.data.length = 0;
+ wrq.u.data.length = IW_ENCODING_TOKEN_MAX;
wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWENCODE, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWENCODE, &wrq) >= 0)
{
info->has_key = 1;
info->key_size = wrq.u.data.length;
}
/* Get ESSID */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.essid.pointer = (caddr_t) info->essid;
- wrq.u.essid.length = 0;
+ wrq.u.essid.length = IW_ESSID_MAX_SIZE;
wrq.u.essid.flags = 0;
- if(ioctl(skfd, SIOCGIWESSID, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWESSID, &wrq) >= 0)
{
info->has_essid = 1;
info->essid_on = wrq.u.data.flags;
}
/* Get AP address */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- 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));
}
/* Get NickName */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.essid.pointer = (caddr_t) info->nickname;
- wrq.u.essid.length = 0;
+ wrq.u.essid.length = IW_ESSID_MAX_SIZE;
wrq.u.essid.flags = 0;
- if(ioctl(skfd, SIOCGIWNICKN, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWNICKN, &wrq) >= 0)
if(wrq.u.data.length > 1)
info->has_nickname = 1;
/* Get bit rate */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWRATE, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWRATE, &wrq) >= 0)
{
info->has_bitrate = 1;
memcpy(&(info->bitrate), &(wrq.u.bitrate), sizeof(iwparam));
}
/* Get RTS threshold */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWRTS, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWRTS, &wrq) >= 0)
{
info->has_rts = 1;
memcpy(&(info->rts), &(wrq.u.rts), sizeof(iwparam));
}
/* Get fragmentation threshold */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWFRAG, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWFRAG, &wrq) >= 0)
{
info->has_frag = 1;
memcpy(&(info->frag), &(wrq.u.frag), sizeof(iwparam));
}
/* Get operation mode */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWMODE, &wrq) >= 0)
+ 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 */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.power.flags = 0;
- if(ioctl(skfd, SIOCGIWPOWER, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWPOWER, &wrq) >= 0)
{
info->has_power = 1;
memcpy(&(info->power), &(wrq.u.power), sizeof(iwparam));
#if WIRELESS_EXT > 9
/* Get Transmit Power */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWTXPOW, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWTXPOW, &wrq) >= 0)
{
info->has_txpower = 1;
memcpy(&(info->txpower), &(wrq.u.txpower), sizeof(iwparam));
#if WIRELESS_EXT > 10
/* Get retry limit/lifetime */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- if(ioctl(skfd, SIOCGIWRETRY, &wrq) >= 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWRETRY, &wrq) >= 0)
{
info->has_retry = 1;
memcpy(&(info->retry), &(wrq.u.retry), sizeof(iwparam));
{
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;
- }
+ break;
- /* Display it ! */
- display_info(&info, ifname);
+ default:
+ fprintf(stderr, "%-8.8s %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 %-1.8s ; %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 %-1.8s ; %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.disabled = 1;
if(!strcasecmp(args[i], "on"))
{
/* Get old nwid */
- if(ioctl(skfd, SIOCGIWNWID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWNWID: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ 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.value))
!= 1)
- iw_usage();
+ ABORT_ARG_TYPE("Set NWID", SIOCSIWNWID, args[i]);
else
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();
+ ABORT_ARG_NUM("Set Frequency", SIOCSIWFREQ);
if(sscanf(args[i], "%lg", &(freq)) != 1)
- iw_usage();
+ 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;
iw_float2freq(freq, &(wrq.u.freq));
- if(ioctl(skfd, SIOCSIWFREQ, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWFREQ: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq,
+ "Set Frequency");
continue;
}
if(!strncmp(args[i], "sens", 4))
{
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Sensitivity", SIOCSIWSENS);
if(sscanf(args[i], "%d", &(wrq.u.sens.value)) != 1)
- iw_usage();
+ 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;
}
unsigned char key[IW_ENCODING_TOKEN_MAX];
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Encode", SIOCSIWENCODE);
if(!strcasecmp(args[i], "on"))
{
wrq.u.data.pointer = (caddr_t) key;
wrq.u.data.length = 0;
wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWENCODE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWENCODE: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWENCODE, &wrq,
+ "Set Encode");
wrq.u.data.flags &= ~IW_ENCODE_DISABLED; /* Enable */
}
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, "Setting key : Malloc failed (string too long ?)\n");
- return(-1);
- }
- 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) &&
gotone = 1;
}
}
+ /* Pointer is absent in new API */
+ if(wrq.u.data.pointer == NULL)
+ wrq.u.data.flags |= IW_ENCODE_NOKEY;
if(!gotone)
- iw_usage();
+ ABORT_ARG_TYPE("Set Encode", SIOCSIWENCODE, args[i]);
--i;
}
- if(ioctl(skfd, SIOCSIWENCODE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWENCODE(%d): %s\n",
- errno, strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq,
+ "Set Encode");
continue;
}
i++;
if(i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set ESSID", SIOCSIWESSID);
if((!strcasecmp(args[i], "off")) ||
(!strcasecmp(args[i], "any")))
{
wrq.u.essid.pointer = (caddr_t) essid;
wrq.u.essid.length = 0;
wrq.u.essid.flags = 0;
- if(ioctl(skfd, SIOCGIWESSID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWESSID: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWESSID, &wrq,
+ "Set ESSID");
wrq.u.essid.flags = 1;
}
else
/* Check the size of what the user passed us to avoid
* buffer overflows */
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();
- }
+ ABORT_ARG_SIZE("Set ESSID", SIOCSIWESSID, IW_ESSID_MAX_SIZE);
else
{
int temp;
wrq.u.essid.pointer = (caddr_t) essid;
wrq.u.essid.length = strlen(essid) + 1;
- if(ioctl(skfd, SIOCSIWESSID, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWESSID: %s\n", strerror(errno));
- return(-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(iw_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(iw_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;
}
{
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.essid.pointer = (caddr_t) args[i];
wrq.u.essid.length = strlen(args[i]) + 1;
- if(ioctl(skfd, SIOCSIWNICKN, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWNICKN: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWNICKN, &wrq,
+ "Set Nickname");
continue;
}
(!strcmp(args[i], "rate")))
{
if(++i >= count)
- iw_usage();
+ 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);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ 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;
}
}
- 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;
}
{
i++;
if(i >= count)
- iw_usage();
+ 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], "fixed"))
{
/* Get old RTS threshold */
- if(ioctl(skfd, SIOCGIWRTS, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWRTS: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ 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))
!= 1)
- iw_usage();
+ 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();
+ 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], "fixed"))
{
/* Get old fragmentation threshold */
- if(ioctl(skfd, SIOCGIWFRAG, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWFRAG: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ 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], "%ld", (unsigned long *) &(wrq.u.frag.value))
+ if(sscanf(args[i], "%ld",
+ (unsigned long *) &(wrq.u.frag.value))
!= 1)
- iw_usage();
+ ABORT_ARG_TYPE("Set Fragmentation Threshold", SIOCSIWFRAG,
+ args[i]);
}
- if(ioctl(skfd, SIOCSIWFRAG, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWFRAG: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFRAG, &wrq,
+ "Set Fragmentation Threshold");
continue;
}
i++;
if(i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Mode", SIOCSIWMODE);
if(sscanf(args[i], "%d", &k) != 1)
{
k++;
}
if((k >= IW_NUM_OPER_MODE) || (k < 0))
- iw_usage();
+ ABORT_ARG_TYPE("Set Mode", SIOCSIWMODE, args[i]);
wrq.u.mode = k;
- if(ioctl(skfd, SIOCSIWMODE, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWMODE: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq,
+ "Set Mode");
continue;
}
if(!strncmp(args[i], "power", 3))
{
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
if(!strcasecmp(args[i], "off"))
wrq.u.power.disabled = 1; /* i.e. max size */
if(!strcasecmp(args[i], "on"))
{
/* Get old Power info */
- if(ioctl(skfd, SIOCGIWPOWER, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWPOWER: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWPOWER, &wrq,
+ "Set Power Management");
wrq.u.power.disabled = 0;
}
else
{
wrq.u.power.flags |= IW_POWER_MIN;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
}
else
if(!strcasecmp(args[i], "max"))
{
wrq.u.power.flags |= IW_POWER_MAX;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
}
/* Check value type */
{
wrq.u.power.flags |= IW_POWER_PERIOD;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
}
else
if(!strcasecmp(args[i], "timeout"))
{
wrq.u.power.flags |= IW_POWER_TIMEOUT;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
}
/* Is there any value to grab ? */
}
}
if(!gotone)
- iw_usage();
+ ABORT_ARG_TYPE("Set Power Management", SIOCSIWPOWER,
+ args[i]);
--i;
}
- if(ioctl(skfd, SIOCSIWPOWER, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWPOWER(%d): %s\n",
- errno, strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWPOWER, &wrq,
+ "Set Power Management");
continue;
}
struct iw_range range;
if(++i >= count)
- iw_usage();
+ 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 */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.txpower.value = -1;
wrq.u.txpower.fixed = 1;
wrq.u.txpower.disabled = 0;
if(!strcasecmp(args[i], "fixed"))
{
/* Get old tx-power */
- if(ioctl(skfd, SIOCGIWTXPOW, &wrq) < 0)
- {
- fprintf(stderr, "SIOCGIWTXPOW: %s\n", strerror(errno));
- return(-1);
- }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
+ IW_GET_EXT_ERR(skfd, ifname, SIOCGIWTXPOW, &wrq,
+ "Set Tx Power");
wrq.u.txpower.fixed = 1;
}
else /* Should be a numeric value */
/* Get the value */
if(sscanf(args[i], "%ld",
(unsigned long *) &(power)) != 1)
- iw_usage();
+ ABORT_ARG_TYPE("Set Tx Power", SIOCSIWTXPOW, args[i]);
/* Check if milliwatt */
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 */
}
}
- if(ioctl(skfd, SIOCSIWTXPOW, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWTXPOW: %s\n", strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq,
+ "Set Tx Power");
continue;
}
#endif
#if WIRELESS_EXT > 10
- /* ---------- Set Power Management ---------- */
+ /* ---------- Set Retry limit ---------- */
if(!strncmp(args[i], "retry", 3))
{
double temp;
int gotone = 0;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
/* Default - nope */
wrq.u.retry.flags = IW_RETRY_LIMIT;
{
wrq.u.retry.flags |= IW_RETRY_MIN;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
else
if(!strcasecmp(args[i], "max"))
{
wrq.u.retry.flags |= IW_RETRY_MAX;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
/* Check value type */
{
wrq.u.retry.flags |= IW_RETRY_LIMIT;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
else
if(!strncasecmp(args[i], "lifetime", 4))
{
wrq.u.retry.flags |= IW_RETRY_LIFETIME;
if(++i >= count)
- iw_usage();
+ ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
}
/* Is there any value to grab ? */
}
if(!gotone)
- iw_usage();
+ ABORT_ARG_TYPE("Set Retry Limit", SIOCSIWRETRY, args[i]);
--i;
- if(ioctl(skfd, SIOCSIWRETRY, &wrq) < 0)
- {
- fprintf(stderr, "SIOCSIWRETRY(%d): %s\n",
- errno, strerror(errno));
- return(-1);
- }
+ IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRETRY, &wrq,
+ "Set Retry Limit");
continue;
}
/* ---------- 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. */
/* 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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