+/*
+ * iwinfo - Wireless Information Library - Command line frontend
+ *
+ * Copyright (C) 2011 Jo-Philipp Wich <xm@subsignal.org>
+ *
+ * The iwinfo library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * The iwinfo library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the iwinfo library. If not, see http://www.gnu.org/licenses/.
+ */
+
+#include <stdio.h>
+
+#include "iwinfo.h"
+
+
+static char * format_bssid(unsigned char *mac)
+{
+ static char buf[18];
+
+ snprintf(buf, sizeof(buf), "%02X:%02X:%02X:%02X:%02X:%02X",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+ return buf;
+}
+
+static char * format_ssid(char *ssid)
+{
+ static char buf[IWINFO_ESSID_MAX_SIZE+3];
+
+ if (ssid && ssid[0])
+ snprintf(buf, sizeof(buf), "\"%s\"", ssid);
+ else
+ snprintf(buf, sizeof(buf), "unknown");
+
+ return buf;
+}
+
+static char * format_channel(int ch)
+{
+ static char buf[8];
+
+ if (ch <= 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d", ch);
+
+ return buf;
+}
+
+static char * format_frequency(int freq)
+{
+ static char buf[10];
+
+ if (freq <= 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%.3f GHz", ((float)freq / 1000.0));
+
+ return buf;
+}
+
+static char * format_txpower(int pwr)
+{
+ static char buf[10];
+
+ if (pwr < 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d dBm", pwr);
+
+ return buf;
+}
+
+static char * format_quality(int qual)
+{
+ static char buf[8];
+
+ if (qual < 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d", qual);
+
+ return buf;
+}
+
+static char * format_quality_max(int qmax)
+{
+ static char buf[8];
+
+ if (qmax < 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d", qmax);
+
+ return buf;
+}
+
+static char * format_signal(int sig)
+{
+ static char buf[10];
+
+ if (!sig)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d dBm", sig);
+
+ return buf;
+}
+
+static char * format_noise(int noise)
+{
+ static char buf[10];
+
+ if (!noise)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%d dBm", noise);
+
+ return buf;
+}
+
+static char * format_rate(int rate)
+{
+ static char buf[14];
+
+ if (rate <= 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "%.1f MBit/s", ((float)rate / 1000.0));
+
+ return buf;
+}
+
+static char * format_enc_ciphers(int ciphers)
+{
+ static char str[128] = { 0 };
+ char *pos = str;
+
+ if (ciphers & IWINFO_CIPHER_WEP40)
+ pos += sprintf(pos, "WEP-40, ");
+
+ if (ciphers & IWINFO_CIPHER_WEP104)
+ pos += sprintf(pos, "WEP-104, ");
+
+ if (ciphers & IWINFO_CIPHER_TKIP)
+ pos += sprintf(pos, "TKIP, ");
+
+ if (ciphers & IWINFO_CIPHER_CCMP)
+ pos += sprintf(pos, "CCMP, ");
+
+ if (ciphers & IWINFO_CIPHER_WRAP)
+ pos += sprintf(pos, "WRAP, ");
+
+ if (ciphers & IWINFO_CIPHER_AESOCB)
+ pos += sprintf(pos, "AES-OCB, ");
+
+ if (ciphers & IWINFO_CIPHER_CKIP)
+ pos += sprintf(pos, "CKIP, ");
+
+ if (!ciphers || (ciphers & IWINFO_CIPHER_NONE))
+ pos += sprintf(pos, "NONE, ");
+
+ *(pos - 2) = 0;
+
+ return str;
+}
+
+static char * format_enc_suites(int suites)
+{
+ static char str[64] = { 0 };
+ char *pos = str;
+
+ if (suites & IWINFO_KMGMT_PSK)
+ pos += sprintf(pos, "PSK/");
+
+ if (suites & IWINFO_KMGMT_8021x)
+ pos += sprintf(pos, "802.1X/");
+
+ if (!suites || (suites & IWINFO_KMGMT_NONE))
+ pos += sprintf(pos, "NONE/");
+
+ *(pos - 1) = 0;
+
+ return str;
+}
+
+static char * format_encryption(struct iwinfo_crypto_entry *c)
+{
+ static char buf[512];
+
+ if (!c)
+ {
+ snprintf(buf, sizeof(buf), "unknown");
+ }
+ else if (c->enabled)
+ {
+ /* WEP */
+ if (c->auth_algs && !c->wpa_version)
+ {
+ if ((c->auth_algs & IWINFO_AUTH_OPEN) &&
+ (c->auth_algs & IWINFO_AUTH_SHARED))
+ {
+ snprintf(buf, sizeof(buf), "WEP Open/Shared (%s)",
+ format_enc_ciphers(c->pair_ciphers));
+ }
+ else if (c->auth_algs & IWINFO_AUTH_OPEN)
+ {
+ snprintf(buf, sizeof(buf), "WEP Open System (%s)",
+ format_enc_ciphers(c->pair_ciphers));
+ }
+ else if (c->auth_algs & IWINFO_AUTH_SHARED)
+ {
+ snprintf(buf, sizeof(buf), "WEP Shared Auth (%s)",
+ format_enc_ciphers(c->pair_ciphers));
+ }
+ }
+
+ /* WPA */
+ else if (c->wpa_version)
+ {
+ switch (c->wpa_version) {
+ case 3:
+ snprintf(buf, sizeof(buf), "mixed WPA/WPA2 %s (%s)",
+ format_enc_suites(c->auth_suites),
+ format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ break;
+
+ case 2:
+ snprintf(buf, sizeof(buf), "WPA2 %s (%s)",
+ format_enc_suites(c->auth_suites),
+ format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ break;
+
+ case 1:
+ snprintf(buf, sizeof(buf), "WPA %s (%s)",
+ format_enc_suites(c->auth_suites),
+ format_enc_ciphers(c->pair_ciphers & c->group_ciphers));
+ break;
+ }
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "none");
+ }
+ }
+ else
+ {
+ snprintf(buf, sizeof(buf), "none");
+ }
+
+ return buf;
+}
+
+static char * format_hwmodes(int modes)
+{
+ static char buf[12];
+
+ if (modes <= 0)
+ snprintf(buf, sizeof(buf), "unknown");
+ else
+ snprintf(buf, sizeof(buf), "802.11%s%s%s%s",
+ (modes & IWINFO_80211_A) ? "a" : "",
+ (modes & IWINFO_80211_B) ? "b" : "",
+ (modes & IWINFO_80211_G) ? "g" : "",
+ (modes & IWINFO_80211_N) ? "n" : "");
+
+ return buf;
+}
+
+
+static const char * print_type(const struct iwinfo_ops *iw, const char *ifname)
+{
+ const char *type = iwinfo_type(ifname);
+ return type ? type : "unknown";
+}
+
+static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
+{
+ char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
+
+ if (iw->ssid(ifname, buf))
+ memset(buf, 0, sizeof(buf));
+
+ return format_ssid(buf);
+}
+
+static char * print_bssid(const struct iwinfo_ops *iw, const char *ifname)
+{
+ static char buf[18] = { 0 };
+
+ if (iw->bssid(ifname, buf))
+ snprintf(buf, sizeof(buf), "00:00:00:00:00:00");
+
+ return buf;
+}
+
+static char * print_mode(const struct iwinfo_ops *iw, const char *ifname)
+{
+ static char buf[128];
+
+ if (iw->mode(ifname, buf))
+ snprintf(buf, sizeof(buf), "unknown");
+
+ return buf;
+}
+
+static char * print_channel(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int ch;
+ if (iw->channel(ifname, &ch))
+ ch = -1;
+
+ return format_channel(ch);
+}
+
+static char * print_frequency(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int freq;
+ if (iw->frequency(ifname, &freq))
+ freq = -1;
+
+ return format_frequency(freq);
+}
+
+static char * print_txpower(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int pwr;
+ if (iw->txpower(ifname, &pwr))
+ pwr = -1;
+
+ return format_txpower(pwr);
+}
+
+static char * print_quality(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int qual;
+ if (iw->quality(ifname, &qual))
+ qual = -1;
+
+ return format_quality(qual);
+}
+
+static char * print_quality_max(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int qmax;
+ if (iw->quality_max(ifname, &qmax))
+ qmax = -1;
+
+ return format_quality_max(qmax);
+}
+
+static char * print_signal(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int sig;
+ if (iw->signal(ifname, &sig))
+ sig = 0;
+
+ return format_signal(sig);
+}
+
+static char * print_noise(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int noise;
+ if (iw->noise(ifname, &noise))
+ noise = 0;
+
+ return format_noise(noise);
+}
+
+static char * print_rate(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int rate;
+ if (iw->bitrate(ifname, &rate))
+ rate = -1;
+
+ return format_rate(rate);
+}
+
+static char * print_encryption(const struct iwinfo_ops *iw, const char *ifname)
+{
+ struct iwinfo_crypto_entry c = { 0 };
+ if (iw->encryption(ifname, (char *)&c))
+ return format_encryption(NULL);
+
+ return format_encryption(&c);
+}
+
+static char * print_hwmodes(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int modes;
+ if (iw->hwmodelist(ifname, &modes))
+ modes = -1;
+
+ return format_hwmodes(modes);
+}
+
+static char * print_mbssid_supp(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int supp;
+ static char buf[4];
+
+ if (iw->mbssid_support(ifname, &supp))
+ snprintf(buf, sizeof(buf), "no");
+ else
+ snprintf(buf, sizeof(buf), "%s", supp ? "yes" : "no");
+
+ return buf;
+}
+
+
+static void print_info(const struct iwinfo_ops *iw, const char *ifname)
+{
+ printf("%-9s ESSID: %s\n",
+ ifname,
+ print_ssid(iw, ifname));
+ printf(" Access Point: %s\n",
+ print_bssid(iw, ifname));
+ printf(" Type: %s HW Mode(s): %s\n",
+ print_type(iw, ifname),
+ print_hwmodes(iw, ifname));
+ printf(" Mode: %s Channel: %s (%s)\n",
+ print_mode(iw, ifname),
+ print_channel(iw, ifname),
+ print_frequency(iw, ifname));
+ printf(" Tx-Power: %s Link Quality: %s/%s\n",
+ print_txpower(iw, ifname),
+ print_quality(iw, ifname),
+ print_quality_max(iw, ifname));
+ printf(" Signal: %s Noise: %s\n",
+ print_signal(iw, ifname),
+ print_noise(iw, ifname));
+ printf(" Bit Rate: %s\n",
+ print_rate(iw, ifname));
+ printf(" Encryption: %s\n",
+ print_encryption(iw, ifname));
+ printf(" Supports VAPs: %s\n",
+ print_mbssid_supp(iw, ifname));
+}
+
+
+static void print_scanlist(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int i, x, len;
+ char buf[IWINFO_BUFSIZE];
+ struct iwinfo_scanlist_entry *e;
+
+ if (iw->scanlist(ifname, buf, &len))
+ {
+ printf("Scanning not possible\n\n");
+ return;
+ }
+ else if (len <= 0)
+ {
+ printf("No scan results\n\n");
+ return;
+ }
+
+ for (i = 0, x = 1; i < len; i += sizeof(struct iwinfo_scanlist_entry), x++)
+ {
+ e = (struct iwinfo_scanlist_entry *) &buf[i];
+
+ printf("Cell %02d - Address: %s\n",
+ x,
+ format_bssid(e->mac));
+ printf(" ESSID: %s\n",
+ format_ssid(e->ssid));
+ printf(" Mode: %s Channel: %s\n",
+ e->mode ? (char *)e->mode : "unknown",
+ format_channel(e->channel));
+ printf(" Signal: %s Quality: %s/%s\n",
+ format_signal(e->signal - 0x100),
+ format_quality(e->quality),
+ format_quality_max(e->quality_max));
+ printf(" Encryption: %s\n\n",
+ format_encryption(&e->crypto));
+ }
+}
+
+
+static void print_txpwrlist(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int len, pwr, i;
+ char buf[IWINFO_BUFSIZE];
+ struct iwinfo_txpwrlist_entry *e;
+
+ if (iw->txpwrlist(ifname, buf, &len) || len <= 0)
+ {
+ printf("No TX power information available\n");
+ return;
+ }
+
+ if (iw->txpower(ifname, &pwr))
+ pwr = -1;
+
+ for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
+ {
+ e = (struct iwinfo_txpwrlist_entry *) &buf[i];
+
+ printf("%s%3d dBm (%4d mW)\n",
+ (pwr == e->dbm) ? "*" : " ",
+ e->dbm,
+ e->mw);
+ }
+}
+
+
+static void print_freqlist(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int i, len, ch;
+ char buf[IWINFO_BUFSIZE];
+ struct iwinfo_freqlist_entry *e;
+
+ if (iw->freqlist(ifname, buf, &len) || len <= 0)
+ {
+ printf("No frequency information available\n");
+ return;
+ }
+
+ if (iw->channel(ifname, &ch))
+ ch = -1;
+
+ for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
+ {
+ e = (struct iwinfo_freqlist_entry *) &buf[i];
+
+ printf("%s %s (Channel %s)%s\n",
+ (ch == e->channel) ? "*" : " ",
+ format_frequency(e->mhz),
+ format_channel(e->channel),
+ e->restricted ? " [restricted]" : "");
+ }
+}
+
+
+static void print_assoclist(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int i, len;
+ char buf[IWINFO_BUFSIZE];
+ struct iwinfo_assoclist_entry *e;
+
+ if (iw->assoclist(ifname, buf, &len))
+ {
+ printf("No information available\n");
+ return;
+ }
+ else if (len <= 0)
+ {
+ printf("No station connected\n");
+ return;
+ }
+
+ for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
+ {
+ e = (struct iwinfo_assoclist_entry *) &buf[i];
+
+ printf("%s %s / %s (SNR %d)\n",
+ format_bssid(e->mac),
+ format_signal(e->signal),
+ format_noise(e->noise),
+ (e->signal - e->noise));
+ }
+}
+
+
+static char * lookup_country(char *buf, int len, int iso3166)
+{
+ int i;
+ struct iwinfo_country_entry *c;
+
+ for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
+ {
+ c = (struct iwinfo_country_entry *) &buf[i];
+
+ if (c->iso3166 == iso3166)
+ return c->ccode;
+ }
+
+ return NULL;
+}
+
+static void print_countrylist(const struct iwinfo_ops *iw, const char *ifname)
+{
+ int len;
+ char buf[IWINFO_BUFSIZE];
+ char *ccode;
+ char curcode[3];
+ const struct iwinfo_iso3166_label *l;
+
+ if (iw->countrylist(ifname, buf, &len))
+ {
+ printf("No country code information available\n");
+ return;
+ }
+
+ if (iw->country(ifname, curcode))
+ memset(curcode, 0, sizeof(curcode));
+
+ for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
+ {
+ if ((ccode = lookup_country(buf, len, l->iso3166)) != NULL)
+ {
+ printf("%s %4s %c%c\n",
+ strncmp(ccode, curcode, 2) ? " " : "*",
+ ccode, (l->iso3166 / 256), (l->iso3166 % 256));
+ }
+ }
+}
+
+
+int main(int argc, char **argv)
+{
+ int i;
+ const struct iwinfo_ops *iw;
+
+ if (argc < 3)
+ {
+ fprintf(stderr,
+ "Usage:\n"
+ " iwinfo <device> info\n"
+ " iwinfo <device> scan\n"
+ " iwinfo <device> txpowerlist\n"
+ " iwinfo <device> freqlist\n"
+ " iwinfo <device> assoclist\n"
+ " iwinfo <device> countrylist\n"
+ );
+
+ return 1;
+ }
+
+ iw = iwinfo_backend(argv[1]);
+
+ if (!iw)
+ {
+ fprintf(stderr, "No such wireless device: %s\n", argv[1]);
+ return 1;
+ }
+
+ for (i = 2; i < argc; i++)
+ {
+ switch(argv[i][0])
+ {
+ case 'i':
+ print_info(iw, argv[1]);
+ break;
+
+ case 's':
+ print_scanlist(iw, argv[1]);
+ break;
+
+ case 't':
+ print_txpwrlist(iw, argv[1]);
+ break;
+
+ case 'f':
+ print_freqlist(iw, argv[1]);
+ break;
+
+ case 'a':
+ print_assoclist(iw, argv[1]);
+ break;
+
+ case 'c':
+ print_countrylist(iw, argv[1]);
+ break;
+
+ default:
+ fprintf(stderr, "Unknown command: %s\n", argv[i]);
+ return 1;
+ }
+ }
+
+ iwinfo_finish();
+
+ return 0;
+}
projects / project / luci.git / commitdiff