/*
* Wireless Tools
*
- * Jean II - HPLB 97->99 - HPL 99->04
+ * 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) 1997-2004 Jean Tourrilhes <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes <jt@hpl.hp.com>
*/
#include "iwlib.h" /* Header */
-/************************* MISC SUBROUTINES **************************/
+/**************************** CONSTANTS ****************************/
-/*------------------------------------------------------------------*/
/*
- * Print usage string
+ * Error codes defined for setting args
*/
-static void
-iw_usage(void)
-{
- fprintf(stderr,
- "Usage: iwconfig interface [essid {NN|on|off}]\n"
- " [nwid {NN|on|off}]\n"
- " [mode {managed|ad-hoc|...}\n"
- " [freq N.NNNN[k|M|G]]\n"
- " [channel N]\n"
- " [ap {N|off|auto}]\n"
- " [sens N]\n"
- " [nick N]\n"
- " [rate {N|auto|fixed}]\n"
- " [rts {N|auto|fixed|off}]\n"
- " [frag {N|auto|fixed|off}]\n"
- " [enc {NNNN-NNNN|off}]\n"
- " [power {period N|timeout N}]\n"
- " [retry {limit N|lifetime N}]\n"
- " [txpower N {mW|dBm}]\n"
- " [commit]\n"
- " Check man pages for more details.\n\n"
- );
-}
+#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 **************************/
if(iw_get_range_info(skfd, ifname, &(info->range)) >= 0)
info->has_range = 1;
- /* Get sensitivity */
- if(iw_get_ext(skfd, ifname, SIOCGIWSENS, &wrq) >= 0)
- {
- info->has_sens = 1;
- memcpy(&(info->sens), &(wrq.u.sens), sizeof(iwparam));
- }
-
/* Get AP address */
if(iw_get_ext(skfd, ifname, SIOCGIWAP, &wrq) >= 0)
{
memcpy(&(info->ap_addr), &(wrq.u.ap_addr), sizeof (sockaddr));
}
- /* 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;
-
/* Get bit rate */
if(iw_get_ext(skfd, ifname, SIOCGIWRATE, &wrq) >= 0)
{
memcpy(&(info->bitrate), &(wrq.u.bitrate), 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));
- }
-
/* Get Power Management settings */
wrq.u.power.flags = 0;
if(iw_get_ext(skfd, ifname, SIOCGIWPOWER, &wrq) >= 0)
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 */
}
}
+ /* 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 */
}
}
- /* Get stats */
- if(iw_get_stats(skfd, ifname, &(info->stats),
- &info->range, info->has_range) >= 0)
+ /* Get RTS threshold */
+ if(iw_get_ext(skfd, ifname, SIOCGIWRTS, &wrq) >= 0)
{
- info->has_stats = 1;
+ info->has_rts = 1;
+ memcpy(&(info->rts), &(wrq.u.rts), sizeof(iwparam));
}
-#ifdef DISPLAY_WPA
- /* Note : currently disabled to not bloat iwconfig output. Also,
- * if does not make total sense to display parameters that we
- * don't allow (yet) to configure.
- * For now, use iwlist instead... Jean II */
-
- /* Get WPA/802.1x/802.11i security parameters */
- if((info->has_range) && (info->range.we_version_compiled > 17))
+ /* Get fragmentation threshold */
+ if(iw_get_ext(skfd, ifname, SIOCGIWFRAG, &wrq) >= 0)
{
- wrq.u.param.flags = IW_AUTH_KEY_MGMT;
- if(iw_get_ext(skfd, ifname, SIOCGIWAUTH, &wrq) >= 0)
- {
- info->has_auth_key_mgmt = 1;
- info->auth_key_mgmt = wrq.u.param.value;
- }
-
- wrq.u.param.flags = IW_AUTH_CIPHER_PAIRWISE;
- if(iw_get_ext(skfd, ifname, SIOCGIWAUTH, &wrq) >= 0)
- {
- info->has_auth_cipher_pairwise = 1;
- info->auth_cipher_pairwise = wrq.u.param.value;
- }
-
- wrq.u.param.flags = IW_AUTH_CIPHER_GROUP;
- if(iw_get_ext(skfd, ifname, SIOCGIWAUTH, &wrq) >= 0)
- {
- info->has_auth_cipher_group = 1;
- info->auth_cipher_group = wrq.u.param.value;
- }
+ info->has_frag = 1;
+ memcpy(&(info->frag), &(wrq.u.frag), sizeof(iwparam));
}
-#endif
+#endif /* WE_ESSENTIAL */
return(0);
}
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)
tokens = 0;
}
+#ifndef WE_ESSENTIAL
/* Display Network ID */
if(info->b.has_nwid)
{
printf("NWID:%X ", info->b.nwid.value);
tokens +=2;
}
+#endif /* WE_ESSENTIAL */
/* Display the current mode of operation */
if(info->b.has_mode)
printf("Bit Rate%c%s ", (info->bitrate.fixed ? '=' : ':'), buffer);
}
+#ifndef WE_ESSENTIAL
/* Display the Transmit Power */
if(info->has_txpower)
{
tokens +=4;
/* Fixed ? */
- if(info->sens.fixed)
- printf("Sensitivity=");
- else
- printf("Sensitivity:");
+ printf("Sensitivity%c", info->sens.fixed ? '=' : ':');
if(info->has_range)
/* Display in dBm ? */
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)
{
if(info->retry.flags & IW_RETRY_TYPE)
{
iw_print_retry_value(buffer, sizeof(buffer),
- info->retry.value, info->retry.flags);
+ info->retry.value, info->retry.flags,
+ info->range.we_version_compiled);
printf("%s", buffer);
}
else
{
/* Fixed ? */
- if(info->rts.fixed)
- printf("RTS thr=");
- else
- printf("RTS thr:");
-
- printf("%d B ", info->rts.value);
+ printf("RTS thr%c%d B ",
+ info->rts.fixed ? '=' : ':',
+ info->rts.value);
}
tokens += 3;
}
else
{
/* Fixed ? */
- if(info->frag.fixed)
- printf("Fragment thr=");
- else
- printf("Fragment thr:");
-
- printf("%d B ", info->frag.value);
+ 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 */
printf("\n ");
}
-#ifdef DISPLAY_WPA
- /* Display WPA/802.1x/802.11i security parameters */
- if(info->has_auth_key_mgmt || info->has_auth_cipher_pairwise ||
- info->has_auth_cipher_group)
- {
- printf("Auth params:");
- if(info->has_auth_key_mgmt)
- printf(" key_mgmt:0x%X ", info->auth_key_mgmt);
- if(info->has_auth_cipher_pairwise)
- printf(" cipher_pairwise:0x%X ", info->auth_cipher_pairwise);
- if(info->has_auth_cipher_group)
- printf(" cipher_group:0x%X ", info->auth_cipher_group);
- printf("\n ");
- }
-#endif
-
/* 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->power.flags & IW_POWER_TYPE)
{
iw_print_pm_value(buffer, sizeof(buffer),
- info->power.value, info->power.flags);
+ info->power.value, info->power.flags,
+ info->range.we_version_compiled);
printf("%s ", buffer);
}
return(rc);
}
-/************************* SETTING ROUTINES **************************/
+/****************** COMMAND LINE MODIFIERS PARSING ******************/
+/*
+ * Factor out the parsing of command line modifiers.
+ */
/*------------------------------------------------------------------*/
/*
- * 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
+ * Map command line modifiers to the proper flags...
*/
-#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)
+typedef struct iwconfig_modifier {
+ const char * cmd; /* Command line shorthand */
+ __u16 flag; /* Flags to add */
+ __u16 exclude; /* Modifiers to exclude */
+} iwconfig_modifier;
/*------------------------------------------------------------------*/
/*
- * Wrapper to push some Wireless Parameter in the driver
- * Use standard wrapper and add pretty error message if fail...
+ * Modifiers for Power
*/
-#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)
+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]))
/*------------------------------------------------------------------*/
/*
- * Wrapper to extract some Wireless Parameter out of the driver
- * Use standard wrapper and add pretty error message if fail...
+ * Modifiers for Retry
*/
-#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)
+#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 */
/*------------------------------------------------------------------*/
/*
- * Set the wireless options requested on command line
- * This function is too long and probably should be split,
- * because it look like the perfect definition of spaghetti code,
- * but I'm way to lazy
+ * Parse command line modifiers.
+ * Return error or number arg parsed.
+ * Modifiers must be at the beggining of command line.
*/
static int
-set_info(int skfd, /* The socket */
- char * args[], /* Command line args */
- int count, /* Args count */
- char * ifname) /* Dev name */
+parse_modifiers(char * args[], /* Command line args */
+ int count, /* Args count */
+ __u16 * pout, /* Flags to write */
+ const struct iwconfig_modifier modifier[],
+ int modnum)
{
- struct iwreq wrq;
- int i;
+ int i = 0;
+ int k = 0;
+ __u16 result = 0; /* Default : no flag set */
- /* if nothing after the device name - will never happen */
- if(count < 1)
+ /* Get all modifiers and value types on the command line */
+ do
{
- fprintf(stderr, "Error : too few arguments.\n");
- return(-1);
+ 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.
+ */
- /* The other args on the line specify options to be set... */
- for(i = 0; i < count; i++)
+/*------------------------------------------------------------------*/
+/*
+ * 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")))
{
- /* ---------- Commit changes to driver ---------- */
- if(!strncmp(args[i], "commit", 6))
- {
- /* No args */
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWCOMMIT, &wrq,
- "Commit changes");
- continue;
- }
+ 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;
- /* ---------- Set network ID ---------- */
- if((!strcasecmp(args[i], "nwid")) ||
- (!strcasecmp(args[i], "domain")))
- {
- i++;
- if(i >= count)
- ABORT_ARG_NUM("Set NWID", SIOCSIWNWID);
- if((!strcasecmp(args[i], "off")) ||
- (!strcasecmp(args[i], "any")))
- wrq.u.nwid.disabled = 1;
- else
- if(!strcasecmp(args[i], "on"))
+ 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))
{
- /* Get old nwid */
- IW_GET_EXT_ERR(skfd, ifname, SIOCGIWNWID, &wrq,
- "Set NWID");
- wrq.u.nwid.disabled = 0;
+ wrq.u.essid.flags = temp;
+ ++i;
}
- else
- if(sscanf(args[i], "%lX", (unsigned long *) &(wrq.u.nwid.value))
- != 1)
- ABORT_ARG_TYPE("Set NWID", SIOCSIWNWID, args[i]);
- else
- wrq.u.nwid.disabled = 0;
- wrq.u.nwid.fixed = 1;
-
- /* Set new nwid */
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWNWID, &wrq,
- "Set NWID");
- continue;
- }
+ }
+ }
- /* ---------- Set frequency / channel ---------- */
- if((!strncmp(args[i], "freq", 4)) ||
- (!strcmp(args[i], "channel")))
- {
- double freq;
+ /* Get version from kernel, device may not have range... */
+ we_kernel_version = iw_get_kernel_we_version();
- if(++i >= count)
- 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;
+ /* 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++;
- iw_float2freq(freq, &(wrq.u.freq));
+ if(iw_set_ext(skfd, ifname, SIOCSIWESSID, &wrq) < 0)
+ return(IWERR_SET_EXT);
- wrq.u.freq.flags = IW_FREQ_FIXED;
+ /* Var args */
+ return(i);
+}
- /* 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;
- }
- }
- }
+/*------------------------------------------------------------------*/
+/*
+ * 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 */
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq,
- "Set Frequency");
- continue;
- }
+ /* 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;
- /* ---------- Set sensitivity ---------- */
- if(!strncmp(args[i], "sens", 4))
+ 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"))
{
- if(++i >= count)
- ABORT_ARG_NUM("Set Sensitivity", SIOCSIWSENS);
- if(sscanf(args[i], "%i", &(wrq.u.sens.value)) != 1)
- ABORT_ARG_TYPE("Set Sensitivity", SIOCSIWSENS, args[i]);
-
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWSENS, &wrq,
- "Set Sensitivity");
- continue;
+ /* Get old frequency */
+ if(iw_get_ext(skfd, ifname, SIOCGIWFREQ, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.freq.flags = IW_FREQ_FIXED;
}
-
- /* ---------- Set encryption stuff ---------- */
- if((!strncmp(args[i], "enc", 3)) ||
- (!strcmp(args[i], "key")))
+ else /* Should be a numeric value */
{
- unsigned char key[IW_ENCODING_TOKEN_MAX];
-
- if(++i >= count)
- ABORT_ARG_NUM("Set Encode", SIOCSIWENCODE);
+ double freq;
+ char * unit;
- if(!strcasecmp(args[i], "on"))
+ freq = strtod(args[0], &unit);
+ if(unit == args[0])
{
- /* 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 */
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
- else
+ if(unit != NULL)
{
- 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
- {
- 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++;
- }
+ if(unit[0] == 'G') freq *= GIGA;
+ if(unit[0] == 'M') freq *= MEGA;
+ if(unit[0] == 'k') freq *= KILO;
+ }
- /* -- 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);
+ iw_float2freq(freq, &(wrq.u.freq));
- /* Pointer is absent in new API */
- if(wrq.u.data.pointer == NULL)
- wrq.u.data.flags |= IW_ENCODE_NOKEY;
+ wrq.u.freq.flags = IW_FREQ_FIXED;
- /* Check if we have any invalid argument */
- if(!gotone)
- ABORT_ARG_TYPE("Set Encode", SIOCSIWENCODE, args[i]);
- /* Get back to last processed argument */
- --i;
+ /* Check for an additional argument */
+ if((i < count) && (!strcasecmp(args[i], "auto")))
+ {
+ wrq.u.freq.flags = 0;
+ ++i;
}
-
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq,
- "Set Encode");
- continue;
- }
-
- /* ---------- Set ESSID ---------- */
- if(!strcasecmp(args[i], "essid"))
- {
- char essid[IW_ESSID_MAX_SIZE + 1];
- int we_kernel_version;
-
- i++;
- if(i >= count)
- ABORT_ARG_NUM("Set ESSID", SIOCSIWESSID);
- if((!strcasecmp(args[i], "off")) ||
- (!strcasecmp(args[i], "any")))
+ if((i < count) && (!strcasecmp(args[i], "fixed")))
{
- wrq.u.essid.flags = 0;
- essid[0] = '\0';
+ wrq.u.freq.flags = IW_FREQ_FIXED;
+ ++i;
}
- else
- if(!strcasecmp(args[i], "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;
- IW_GET_EXT_ERR(skfd, ifname, SIOCGIWESSID, &wrq,
- "Set ESSID");
- wrq.u.essid.flags = 1;
- }
- else
- {
- /* '-' 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[i], "-")) || (!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
- {
- int temp;
+ if(iw_set_ext(skfd, ifname, SIOCSIWFREQ, &wrq) < 0)
+ return(IWERR_SET_EXT);
- wrq.u.essid.flags = 1;
- strcpy(essid, args[i]); /* Size checked, all clear */
+ /* Var args */
+ return(i);
+}
- /* 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;
- }
- }
- }
+/*------------------------------------------------------------------*/
+/*
+ * 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;
- /* 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) + 1;
- if(we_kernel_version > 20)
- wrq.u.essid.length--;
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq,
- "Set ESSID");
- continue;
+ 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;
}
-
- /* ---------- Set AP address ---------- */
- if(!strcasecmp(args[i], "ap"))
+ else /* Should be a numeric value */
{
- if(++i >= count)
- ABORT_ARG_NUM("Set AP Address", SIOCSIWAP);
+ double brate;
+ char * unit;
- if((!strcasecmp(args[i], "auto")) ||
- (!strcasecmp(args[i], "any")))
+ brate = strtod(args[0], &unit);
+ if(unit == args[0])
{
- /* Send a broadcast address */
- iw_broad_ether(&(wrq.u.ap_addr));
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
- else
+ if(unit != NULL)
{
- 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]);
- }
+ 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;
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWAP, &wrq,
- "Set AP Address");
- continue;
- }
-
- /* ---------- Set NickName ---------- */
- if(!strncmp(args[i], "nick", 4))
- {
- int we_kernel_version;
-
- i++;
- if(i >= count)
- ABORT_ARG_NUM("Set Nickname", SIOCSIWNICKN);
- if(strlen(args[i]) > IW_ESSID_MAX_SIZE)
- ABORT_ARG_SIZE("Set Nickname", SIOCSIWNICKN, IW_ESSID_MAX_SIZE);
-
- we_kernel_version = iw_get_kernel_we_version();
-
- wrq.u.essid.pointer = (caddr_t) args[i];
- wrq.u.essid.length = strlen(args[i]) + 1;
- if(we_kernel_version > 20)
- wrq.u.essid.length--;
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWNICKN, &wrq,
- "Set Nickname");
- continue;
- }
-
- /* ---------- Set Bit-Rate ---------- */
- if((!strncmp(args[i], "bit", 3)) ||
- (!strcmp(args[i], "rate")))
- {
- if(++i >= count)
- ABORT_ARG_NUM("Set Bit Rate", SIOCSIWRATE);
- if(!strcasecmp(args[i], "auto"))
+ /* Check for an additional argument */
+ if((i < count) && (!strcasecmp(args[i], "auto")))
{
- wrq.u.bitrate.value = -1;
wrq.u.bitrate.fixed = 0;
+ ++i;
}
- else
+ if((i < count) && (!strcasecmp(args[i], "fixed")))
{
- if(!strcasecmp(args[i], "fixed"))
- {
- /* Get old bitrate */
- 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)
- 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;
+ ++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;
}
-
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRATE, &wrq,
- "Set Bit Rate");
- continue;
}
+ }
+
+ 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];
- /* ---------- Set RTS threshold ---------- */
- if(!strncasecmp(args[i], "rts", 3))
+ 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
{
- i++;
- if(i >= count)
- 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], "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], "%li", (unsigned long *) &(wrq.u.rts.value))
- != 1)
- ABORT_ARG_TYPE("Set RTS Threshold", SIOCSIWRTS, args[i]);
+ 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++;
+ }
}
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRTS, &wrq,
- "Set RTS Threshold");
- continue;
+ /* -- 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;
- /* ---------- Set fragmentation threshold ---------- */
- if(!strncmp(args[i], "frag", 4))
+ /* Check if we have any invalid argument */
+ if(!gotone)
{
- i++;
- if(i >= count)
- 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;
+ 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
+ */
+static int
+set_power_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int i = 1;
+
+ if(!strcasecmp(args[0], "off"))
+ wrq.u.power.disabled = 1; /* i.e. max size */
+ else
+ if(!strcasecmp(args[0], "on"))
+ {
+ /* Get old Power info */
+ wrq.u.power.flags = 0;
+ if(iw_get_ext(skfd, ifname, SIOCGIWPOWER, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.power.disabled = 0;
+ }
+ else
+ {
+ double value;
+ char * unit;
+ int gotone = 0;
+
+ /* Parse modifiers */
+ i = parse_modifiers(args, count, &wrq.u.power.flags,
+ iwmod_power, IWMOD_POWER_NUM);
+ if(i < 0)
+ return(i);
+
+ wrq.u.power.disabled = 0;
+
+ /* Is there any value to grab ? */
+ value = strtod(args[0], &unit);
+ if(unit != args[0])
+ {
+ struct iw_range range;
+ int flags;
+ /* Extract range info to handle properly 'relative' */
+ if(iw_get_range_info(skfd, ifname, &range) < 0)
+ memset(&range, 0, sizeof(range));
+
+ /* Get the flags to be able to do the proper conversion */
+ switch(wrq.u.power.flags & IW_POWER_TYPE)
+ {
+ case IW_POWER_SAVING:
+ flags = range.pms_flags;
+ break;
+ case IW_POWER_TIMEOUT:
+ flags = range.pmt_flags;
+ break;
+ default:
+ flags = range.pmp_flags;
+ break;
+ }
+ /* Check if time or relative */
+ if(flags & IW_POWER_RELATIVE)
+ {
+ if(range.we_version_compiled < 21)
+ value *= MEGA;
+ else
+ wrq.u.power.flags |= IW_POWER_RELATIVE;
+ }
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]);
- }
+ value *= MEGA; /* default = s */
+ if(unit[0] == 'u') value /= MEGA;
+ if(unit[0] == 'm') value /= KILO;
+ }
+ wrq.u.power.value = (long) value;
+ /* Set some default type if none */
+ 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)
+ {
+ errarg = i;
+ return(IWERR_ARG_TYPE);
+ }
+ }
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWPOWER, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* Var args */
+ return(i);
+}
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFRAG, &wrq,
- "Set Fragmentation Threshold");
- continue;
- }
+#ifndef WE_ESSENTIAL
+/*------------------------------------------------------------------*/
+/*
+ * Set Nickname
+ */
+static int
+set_nick_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int we_kernel_version;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
- /* ---------- Set operation mode ---------- */
- if(!strcmp(args[i], "mode"))
+ if(strlen(args[0]) > IW_ESSID_MAX_SIZE)
+ {
+ errmax = IW_ESSID_MAX_SIZE;
+ return(IWERR_ARG_SIZE);
+ }
+
+ we_kernel_version = iw_get_kernel_we_version();
+
+ wrq.u.essid.pointer = (caddr_t) args[0];
+ wrq.u.essid.length = strlen(args[0]);
+ if(we_kernel_version < 21)
+ wrq.u.essid.length++;
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWNICKN, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* 1 args */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set commit
+ */
+static int
+set_nwid_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ unsigned long temp;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
+
+ if((!strcasecmp(args[0], "off")) ||
+ (!strcasecmp(args[0], "any")))
+ wrq.u.nwid.disabled = 1;
+ else
+ if(!strcasecmp(args[0], "on"))
+ {
+ /* Get old nwid */
+ if(iw_get_ext(skfd, ifname, SIOCGIWNWID, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.nwid.disabled = 0;
+ }
+ else
+ if(sscanf(args[0], "%lX", &(temp)) != 1)
{
- int k;
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
+ }
+ else
+ {
+ wrq.u.nwid.value = temp;
+ wrq.u.nwid.disabled = 0;
+ }
- i++;
- if(i >= count)
- ABORT_ARG_NUM("Set Mode", SIOCSIWMODE);
+ wrq.u.nwid.fixed = 1;
- if(sscanf(args[i], "%i", &k) != 1)
+ /* Set new nwid */
+ if(iw_set_ext(skfd, ifname, SIOCSIWNWID, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* 1 arg */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set AP Address
+ */
+static int
+set_apaddr_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
+
+ if((!strcasecmp(args[0], "auto")) ||
+ (!strcasecmp(args[0], "any")))
+ {
+ /* Send a broadcast address */
+ iw_broad_ether(&(wrq.u.ap_addr));
+ }
+ else
+ {
+ if(!strcasecmp(args[0], "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[0], &(wrq.u.ap_addr)) < 0)
{
- k = 0;
- while((k < IW_NUM_OPER_MODE) &&
- strncasecmp(args[i], iw_operation_mode[k], 3))
- k++;
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
- 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(iw_set_ext(skfd, ifname, SIOCSIWAP, &wrq) < 0)
+ return(IWERR_SET_EXT);
- if(!strcasecmp(args[i], "off"))
- wrq.u.power.disabled = 1; /* i.e. max size */
- else
- if(!strcasecmp(args[i], "on"))
+ /* 1 args */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set Tx Power
+ */
+static int
+set_txpower_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int i = 1;
+
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
+
+ /* 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[0], "off"))
+ wrq.u.txpower.disabled = 1; /* i.e. turn radio off */
+ else
+ if(!strcasecmp(args[0], "auto"))
+ wrq.u.txpower.fixed = 0; /* i.e. use power control */
+ else
+ {
+ if(!strcasecmp(args[0], "on"))
+ {
+ /* Get old tx-power */
+ if(iw_get_ext(skfd, ifname, SIOCGIWTXPOW, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.txpower.disabled = 0;
+ }
+ else
+ {
+ if(!strcasecmp(args[0], "fixed"))
{
- /* Get old Power info */
- wrq.u.power.flags = 0;
- IW_GET_EXT_ERR(skfd, ifname, SIOCGIWPOWER, &wrq,
- "Set Power Management");
- wrq.u.power.disabled = 0;
+ /* Get old tx-power */
+ if(iw_get_ext(skfd, ifname, SIOCGIWTXPOW, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.txpower.fixed = 1;
+ wrq.u.txpower.disabled = 0;
}
- else
+ else /* Should be a numeric value */
{
- 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"))
+ int power;
+ int ismwatt = 0;
+ struct iw_range range;
+
+ /* Extract range info to do proper conversion */
+ if(iw_get_range_info(skfd, ifname, &range) < 0)
+ memset(&range, 0, sizeof(range));
+
+ /* Get the value */
+ if(sscanf(args[0], "%i", &(power)) != 1)
{
- wrq.u.power.flags |= IW_POWER_MIN;
- if(++i >= count)
- ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
- else
- if(!strcasecmp(args[i], "max"))
- {
- wrq.u.power.flags |= IW_POWER_MAX;
- if(++i >= count)
- ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
- }
- /* Check value type */
- if(!strcasecmp(args[i], "period"))
+ /* Check if milliWatt
+ * We authorise a single 'm' as a shorthand for 'mW',
+ * on the other hand a 'd' probably means 'dBm'... */
+ ismwatt = ((strchr(args[0], 'm') != NULL)
+ && (strchr(args[0], 'd') == NULL));
+
+ /* We could check 'W' alone... Another time... */
+
+ /* Convert */
+ if(range.txpower_capa & IW_TXPOW_RELATIVE)
{
- wrq.u.power.flags |= IW_POWER_PERIOD;
- if(++i >= count)
- ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ /* Can't convert */
+ if(ismwatt)
+ {
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
+ }
+ wrq.u.txpower.flags = IW_TXPOW_RELATIVE;
}
else
- if(!strcasecmp(args[i], "timeout"))
+ if(range.txpower_capa & IW_TXPOW_MWATT)
+ {
+ if(!ismwatt)
+ power = iw_dbm2mwatt(power);
+ wrq.u.txpower.flags = IW_TXPOW_MWATT;
+ }
+ else
{
- wrq.u.power.flags |= IW_POWER_TIMEOUT;
- if(++i >= count)
- ABORT_ARG_NUM("Set Power Management", SIOCSIWPOWER);
+ if(ismwatt)
+ power = iw_mwatt2dbm(power);
+ wrq.u.txpower.flags = IW_TXPOW_DBM;
}
+ wrq.u.txpower.value = power;
- /* Is there any value to grab ? */
- if(sscanf(args[i], "%lg", &(temp)) == 1)
+ /* Check for an additional argument */
+ if((i < count) && (!strcasecmp(args[i], "auto")))
{
- 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;
+ wrq.u.txpower.fixed = 0;
++i;
- gotone = 1;
}
-
- /* Now, check the mode */
- if(i < count)
+ if((i < count) && (!strcasecmp(args[i], "fixed")))
{
- 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;
- }
+ wrq.u.txpower.fixed = 1;
+ ++i;
}
- if(!gotone)
- ABORT_ARG_TYPE("Set Power Management", SIOCSIWPOWER,
- args[i]);
- --i;
}
+ }
+ }
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWTXPOW, &wrq) < 0)
+ return(IWERR_SET_EXT);
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWPOWER, &wrq,
- "Set Power Management");
- continue;
- }
+ /* Var args */
+ return(i);
+}
- /* ---------- Set Transmit-Power ---------- */
- if(!strncmp(args[i], "txpower", 3))
+/*------------------------------------------------------------------*/
+/*
+ * Set Sensitivity
+ */
+static int
+set_sens_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int temp;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
+
+ if(sscanf(args[0], "%i", &(temp)) != 1)
+ {
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
+ }
+ wrq.u.sens.value = temp;
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWSENS, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* 1 arg */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set Retry Limit
+ */
+static int
+set_retry_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int i = 0;
+ double value;
+ char * unit;
+
+ /* Parse modifiers */
+ i = parse_modifiers(args, count, &wrq.u.retry.flags,
+ iwmod_retry, IWMOD_RETRY_NUM);
+ if(i < 0)
+ return(i);
+
+ /* Add default type if none */
+ if((wrq.u.retry.flags & IW_RETRY_TYPE) == 0)
+ wrq.u.retry.flags |= IW_RETRY_LIMIT;
+
+ wrq.u.retry.disabled = 0;
+
+ /* Is there any value to grab ? */
+ value = strtod(args[0], &unit);
+ if(unit == args[0])
+ {
+ errarg = i;
+ return(IWERR_ARG_TYPE);
+ }
+
+ /* Limit is absolute, on the other hand lifetime is seconds */
+ if(wrq.u.retry.flags & IW_RETRY_LIFETIME)
+ {
+ struct iw_range range;
+ /* Extract range info to handle properly 'relative' */
+ if(iw_get_range_info(skfd, ifname, &range) < 0)
+ memset(&range, 0, sizeof(range));
+
+ if(range.r_time_flags & IW_RETRY_RELATIVE)
{
- 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 */
+ if(range.we_version_compiled < 21)
+ value *= MEGA;
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
- * We authorise a single 'm' as a shorthand for 'mW',
- * on the other hand a 'd' probably means 'dBm'... */
- ismwatt = ((index(args[i], 'm') != NULL)
- && (index(args[i], 'd') == NULL));
-
- /* We could check 'W' alone... Another time... */
-
- /* 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;
+ wrq.u.retry.flags |= IW_RETRY_RELATIVE;
}
-
- /* ---------- Set Retry limit ---------- */
- if(!strncmp(args[i], "retry", 3))
+ else
{
- double temp;
- int gotone = 0;
+ /* Normalise lifetime */
+ value *= MEGA; /* default = s */
+ if(unit[0] == 'u') value /= MEGA;
+ if(unit[0] == 'm') value /= KILO;
+ }
+ }
+ wrq.u.retry.value = (long) value;
+ ++i;
- if(++i >= count)
- ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+ if(iw_set_ext(skfd, ifname, SIOCSIWRETRY, &wrq) < 0)
+ return(IWERR_SET_EXT);
- /* Default - nope */
- wrq.u.retry.flags = IW_RETRY_LIMIT;
- wrq.u.retry.disabled = 0;
+ /* Var args */
+ return(i);
+}
- /* 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"))
+/*------------------------------------------------------------------*/
+/*
+ * Set RTS Threshold
+ */
+static int
+set_rts_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
+
+ wrq.u.rts.value = -1;
+ wrq.u.rts.fixed = 1;
+ wrq.u.rts.disabled = 0;
+
+ if(!strcasecmp(args[0], "off"))
+ wrq.u.rts.disabled = 1; /* i.e. max size */
+ else
+ if(!strcasecmp(args[0], "auto"))
+ wrq.u.rts.fixed = 0;
+ else
+ {
+ if(!strcasecmp(args[0], "fixed"))
+ {
+ /* Get old RTS threshold */
+ if(iw_get_ext(skfd, ifname, SIOCGIWRTS, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.rts.fixed = 1;
+ }
+ else
+ { /* Should be a numeric value */
+ long temp;
+ if(sscanf(args[0], "%li", (unsigned long *) &(temp)) != 1)
{
- wrq.u.retry.flags |= IW_RETRY_MAX;
- if(++i >= count)
- ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
+ wrq.u.rts.value = temp;
+ }
+ }
- /* Check value type */
- if(!strcasecmp(args[i], "limit"))
- {
- wrq.u.retry.flags |= IW_RETRY_LIMIT;
- if(++i >= count)
- ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
- }
- else
- if(!strncasecmp(args[i], "lifetime", 4))
+ if(iw_set_ext(skfd, ifname, SIOCSIWRTS, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* 1 arg */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set Fragmentation Threshold
+ */
+static int
+set_frag_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+
+ /* Avoid "Unused parameter" warning */
+ count = count;
+
+ wrq.u.frag.value = -1;
+ wrq.u.frag.fixed = 1;
+ wrq.u.frag.disabled = 0;
+
+ if(!strcasecmp(args[0], "off"))
+ wrq.u.frag.disabled = 1; /* i.e. max size */
+ else
+ if(!strcasecmp(args[0], "auto"))
+ wrq.u.frag.fixed = 0;
+ else
+ {
+ if(!strcasecmp(args[0], "fixed"))
+ {
+ /* Get old fragmentation threshold */
+ if(iw_get_ext(skfd, ifname, SIOCGIWFRAG, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.frag.fixed = 1;
+ }
+ else
+ { /* Should be a numeric value */
+ long temp;
+ if(sscanf(args[0], "%li", &(temp))
+ != 1)
{
- wrq.u.retry.flags &= ~IW_RETRY_LIMIT;
- wrq.u.retry.flags |= IW_RETRY_LIFETIME;
- if(++i >= count)
- ABORT_ARG_NUM("Set Retry Limit", SIOCSIWRETRY);
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
}
+ wrq.u.frag.value = temp;
+ }
+ }
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWFRAG, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* 1 arg */
+ return(1);
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set Modulation
+ */
+static int
+set_modulation_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+ int i = 1;
+
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
+
+ if(!strcasecmp(args[0], "auto"))
+ wrq.u.param.fixed = 0; /* i.e. use any modulation */
+ else
+ {
+ if(!strcasecmp(args[0], "fixed"))
+ {
+ /* Get old modulation */
+ if(iw_get_ext(skfd, ifname, SIOCGIWMODUL, &wrq) < 0)
+ return(IWERR_GET_EXT);
+ wrq.u.param.fixed = 1;
+ }
+ else
+ {
+ int k;
- /* Is there any value to grab ? */
- if(sscanf(args[i], "%lg", &(temp)) == 1)
+ /* Allow multiple modulations, combine them together */
+ wrq.u.param.value = 0x0;
+ i = 0;
+ do
{
- /* Limit is absolute, on the other hand lifetime is seconds */
- if(!(wrq.u.retry.flags & IW_RETRY_LIMIT))
+ for(k = 0; k < IW_SIZE_MODUL_LIST; k++)
{
- /* Normalise lifetime */
- temp *= MEGA; /* default = s */
- if(index(args[i], 'u')) temp /= MEGA;
- if(index(args[i], 'm')) temp /= KILO;
+ if(!strcasecmp(args[i], iw_modul_list[k].cmd))
+ {
+ wrq.u.param.value |= iw_modul_list[k].mask;
+ ++i;
+ break;
+ }
}
- wrq.u.retry.value = (long) temp;
+ }
+ /* For as long as current arg matched and not out of args */
+ while((i < count) && (k < IW_SIZE_MODUL_LIST));
+
+ /* Check we got something */
+ if(i == 0)
+ {
+ errarg = 0;
+ return(IWERR_ARG_TYPE);
+ }
+
+ /* Check for an additional argument */
+ if((i < count) && (!strcasecmp(args[i], "auto")))
+ {
+ wrq.u.param.fixed = 0;
+ ++i;
+ }
+ if((i < count) && (!strcasecmp(args[i], "fixed")))
+ {
+ wrq.u.param.fixed = 1;
++i;
- gotone = 1;
}
+ }
+ }
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWMODUL, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* Var args */
+ return(i);
+}
+#endif /* WE_ESSENTIAL */
+
+/*------------------------------------------------------------------*/
+/*
+ * Set commit
+ */
+static int
+set_commit_info(int skfd,
+ char * ifname,
+ char * args[], /* Command line args */
+ int count) /* Args count */
+{
+ struct iwreq wrq;
+
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
+
+ if(iw_set_ext(skfd, ifname, SIOCSIWCOMMIT, &wrq) < 0)
+ return(IWERR_SET_EXT);
+
+ /* No args */
+ return(0);
+}
- if(!gotone)
- ABORT_ARG_TYPE("Set Retry Limit", SIOCSIWRETRY, args[i]);
- --i;
+/************************** SET DISPATCHER **************************/
+/*
+ * This is a modified version of the dispatcher in iwlist.
+ * The main difference is that here we may have multiple commands per
+ * line. Also, most commands here do take arguments, and most often
+ * a variable number of them.
+ * Therefore, the handler *must* return how many args were consumed...
+ *
+ * Note that the use of multiple commands per line is not advised
+ * in scripts, as it makes error management hard. All commands before
+ * the error are executed, but commands after the error are not
+ * processed.
+ * We also try to give as much clue as possible via stderr to the caller
+ * on which command did fail, but if there are two time the same command,
+ * you don't know which one failed...
+ */
- IW_SET_EXT_ERR(skfd, ifname, SIOCSIWRETRY, &wrq,
- "Set Retry Limit");
- continue;
+/*------------------------------------------------------------------*/
+/*
+ * Map command line arguments to the proper procedure...
+ */
+typedef struct iwconfig_entry {
+ const char * cmd; /* Command line shorthand */
+ iw_enum_handler fn; /* Subroutine */
+ int min_count;
+ int request; /* WE numerical ID */
+ const char * name; /* Human readable string */
+ const char * argsname; /* Args as human readable string */
+} iwconfig_cmd;
+
+static const struct iwconfig_entry iwconfig_cmds[] = {
+ { "essid", set_essid_info, 1, SIOCSIWESSID,
+ "Set ESSID", "{NNN|any|on|off}" },
+ { "mode", set_mode_info, 1, SIOCSIWMODE,
+ "Set Mode", "{managed|ad-hoc|master|...}" },
+ { "freq", set_freq_info, 1, SIOCSIWFREQ,
+ "Set Frequency", "N.NNN[k|M|G]" },
+ { "channel", set_freq_info, 1, SIOCSIWFREQ,
+ "Set Frequency", "N" },
+ { "bit", set_bitrate_info, 1, SIOCSIWRATE,
+ "Set Bit Rate", "{N[k|M|G]|auto|fixed}" },
+ { "rate", set_bitrate_info, 1, SIOCSIWRATE,
+ "Set Bit Rate", "{N[k|M|G]|auto|fixed}" },
+ { "enc", set_enc_info, 1, SIOCSIWENCODE,
+ "Set Encode", "{NNNN-NNNN|off}" },
+ { "key", set_enc_info, 1, SIOCSIWENCODE,
+ "Set Encode", "{NNNN-NNNN|off}" },
+ { "power", set_power_info, 1, SIOCSIWPOWER,
+ "Set Power Management", "{period N|timeout N|saving N|off}" },
+#ifndef WE_ESSENTIAL
+ { "nickname", set_nick_info, 1, SIOCSIWNICKN,
+ "Set Nickname", "NNN" },
+ { "nwid", set_nwid_info, 1, SIOCSIWNWID,
+ "Set NWID", "{NN|on|off}" },
+ { "ap", set_apaddr_info, 1, SIOCSIWAP,
+ "Set AP Address", "{N|off|auto}" },
+ { "txpower", set_txpower_info, 1, SIOCSIWTXPOW,
+ "Set Tx Power", "{NmW|NdBm|off|auto}" },
+ { "sens", set_sens_info, 1, SIOCSIWSENS,
+ "Set Sensitivity", "N" },
+ { "retry", set_retry_info, 1, SIOCSIWRETRY,
+ "Set Retry Limit", "{limit N|lifetime N}" },
+ { "rts", set_rts_info, 1, SIOCSIWRTS,
+ "Set RTS Threshold", "{N|auto|fixed|off}" },
+ { "frag", set_frag_info, 1, SIOCSIWFRAG,
+ "Set Fragmentation Threshold", "{N|auto|fixed|off}" },
+ { "modulation", set_modulation_info, 1, SIOCGIWMODUL,
+ "Set Modulation", "{11g|11a|CCK|OFDMg|...}" },
+#endif /* WE_ESSENTIAL */
+ { "commit", set_commit_info, 0, SIOCSIWCOMMIT,
+ "Commit changes", "" },
+ { NULL, NULL, 0, 0, NULL, NULL },
+};
+
+/*------------------------------------------------------------------*/
+/*
+ * Find the most appropriate command matching the command line
+ */
+static inline const iwconfig_cmd *
+find_command(const char * cmd)
+{
+ const iwconfig_cmd * found = NULL;
+ int ambig = 0;
+ unsigned int len = strlen(cmd);
+ int i;
+
+ /* Go through all commands */
+ for(i = 0; iwconfig_cmds[i].cmd != NULL; ++i)
+ {
+ /* No match -> next one */
+ if(strncasecmp(iwconfig_cmds[i].cmd, cmd, len) != 0)
+ continue;
+
+ /* Exact match -> perfect */
+ if(len == strlen(iwconfig_cmds[i].cmd))
+ return &iwconfig_cmds[i];
+
+ /* Partial match */
+ if(found == NULL)
+ /* First time */
+ found = &iwconfig_cmds[i];
+ else
+ /* Another time */
+ if (iwconfig_cmds[i].fn != found->fn)
+ ambig = 1;
+ }
+
+ if(found == NULL)
+ {
+ fprintf(stderr, "iwconfig: unknown command \"%s\"\n", cmd);
+ return NULL;
+ }
+
+ if(ambig)
+ {
+ fprintf(stderr, "iwconfig: command \"%s\" is ambiguous\n", cmd);
+ return NULL;
+ }
+
+ return found;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Set the wireless options requested on command line
+ * Find the individual commands and call the appropriate subroutine
+ */
+static int
+set_info(int skfd, /* The socket */
+ char * args[], /* Command line args */
+ int count, /* Args count */
+ char * ifname) /* Dev name */
+{
+ const iwconfig_cmd * iwcmd;
+ int ret;
+
+ /* Loop until we run out of args... */
+ while(count > 0)
+ {
+ /* find the command matching the keyword */
+ iwcmd = find_command(args[0]);
+ if(iwcmd == NULL)
+ {
+ /* Here we have an unrecognised arg... Error already printed out. */
+ return(-1);
}
- /* ---------- Other ---------- */
- /* Here we have an unrecognised arg... */
- fprintf(stderr, "Error : unrecognised wireless request \"%s\"\n",
- args[i]);
- return(-1);
- } /* for(index ... */
+ /* One arg is consumed (the command name) */
+ args++;
+ count--;
+
+ /* Check arg numbers */
+ if(count < iwcmd->min_count)
+ ret = IWERR_ARG_NUM;
+ else
+ ret = 0;
+
+ /* Call the command */
+ if(!ret)
+ ret = (*iwcmd->fn)(skfd, ifname, args, count);
+
+ /* Deal with various errors */
+ if(ret < 0)
+ {
+ int request = iwcmd->request;
+ if(ret == IWERR_GET_EXT)
+ request++; /* Transform the SET into GET */
+
+ fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n",
+ iwcmd->name, request);
+ switch(ret)
+ {
+ case IWERR_ARG_NUM:
+ fprintf(stderr, " too few arguments.\n");
+ break;
+ case IWERR_ARG_TYPE:
+ if(errarg < 0)
+ errarg = 0;
+ if(errarg >= count)
+ errarg = count - 1;
+ fprintf(stderr, " invalid argument \"%s\".\n", args[errarg]);
+ break;
+ case IWERR_ARG_SIZE:
+ fprintf(stderr, " argument too big (max %d)\n", errmax);
+ break;
+ case IWERR_ARG_CONFLICT:
+ if(errarg < 0)
+ errarg = 0;
+ if(errarg >= count)
+ errarg = count - 1;
+ fprintf(stderr, " conflicting argument \"%s\".\n", args[errarg]);
+ break;
+ case IWERR_SET_EXT:
+ fprintf(stderr, " SET failed on device %-1.16s ; %s.\n",
+ ifname, strerror(errno));
+ break;
+ case IWERR_GET_EXT:
+ fprintf(stderr, " GET failed on device %-1.16s ; %s.\n",
+ ifname, strerror(errno));
+ break;
+ }
+ /* Stop processing, we don't know if we are in a consistent state
+ * in reading the command line */
+ return(ret);
+ }
+
+ /* Substract consumed args from command line */
+ args += ret;
+ count -= ret;
+
+ /* Loop back */
+ }
+
+ /* Done, all done */
return(0);
}
+/*------------------------------------------------------------------*/
+/*
+ * Display help
+ */
+static inline void
+iw_usage(void)
+{
+ int i;
+
+ fprintf(stderr, "Usage: iwconfig [interface]\n");
+ for(i = 0; iwconfig_cmds[i].cmd != NULL; ++i)
+ fprintf(stderr, " interface %s %s\n",
+ iwconfig_cmds[i].cmd, iwconfig_cmds[i].argsname);
+ fprintf(stderr, " Check man pages for more details.\n");
+}
+
+
/******************************* MAIN ********************************/
/*------------------------------------------------------------------*/
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