#include "nl80211.h"
#include "iw.h"
+#define WLAN_CAPABILITY_ESS (1<<0)
+#define WLAN_CAPABILITY_IBSS (1<<1)
+#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
+#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
+#define WLAN_CAPABILITY_PRIVACY (1<<4)
+#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
+#define WLAN_CAPABILITY_PBCC (1<<6)
+#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
+#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
+#define WLAN_CAPABILITY_QOS (1<<9)
+#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
+#define WLAN_CAPABILITY_APSD (1<<11)
+#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
+#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
+#define WLAN_CAPABILITY_DEL_BACK (1<<14)
+#define WLAN_CAPABILITY_IMM_BACK (1<<15)
+/* DMG (60gHz) 802.11ad */
+/* type - bits 0..1 */
+#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
+
+#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
+#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
+#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
+
+#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
+#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
+#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
+#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
+
+#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
+#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
+
+static unsigned char ms_oui[3] = { 0x00, 0x50, 0xf2 };
+static unsigned char ieee80211_oui[3] = { 0x00, 0x0f, 0xac };
+static unsigned char wfa_oui[3] = { 0x50, 0x6f, 0x9a };
+
struct scan_params {
bool unknown;
+ enum print_ie_type type;
+ bool show_both_ie_sets;
};
+#define IEEE80211_COUNTRY_EXTENSION_ID 201
+
+union ieee80211_country_ie_triplet {
+ struct {
+ __u8 first_channel;
+ __u8 num_channels;
+ __s8 max_power;
+ } __attribute__ ((packed)) chans;
+ struct {
+ __u8 reg_extension_id;
+ __u8 reg_class;
+ __u8 coverage_class;
+ } __attribute__ ((packed)) ext;
+} __attribute__ ((packed));
+
static int handle_scan(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
- struct nl_msg *ssids = NULL;
+ struct nl_msg *ssids = NULL, *freqs = NULL;
+ char *eptr;
int err = -ENOBUFS;
+ int i;
+ enum {
+ NONE,
+ FREQ,
+ IES,
+ SSID,
+ DONE,
+ } parse = NONE;
+ int freq;
+ bool passive = false, have_ssids = false, have_freqs = false;
+ size_t tmp;
+ unsigned char *ies;
+ int flags = 0;
ssids = nlmsg_alloc();
if (!ssids)
return -ENOMEM;
- NLA_PUT(ssids, 1, 0, "");
- nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
+
+ freqs = nlmsg_alloc();
+ if (!freqs) {
+ nlmsg_free(ssids);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < argc; i++) {
+ switch (parse) {
+ case NONE:
+ if (strcmp(argv[i], "freq") == 0) {
+ parse = FREQ;
+ have_freqs = true;
+ break;
+ } else if (strcmp(argv[i], "ies") == 0) {
+ parse = IES;
+ break;
+ } else if (strcmp(argv[i], "lowpri") == 0) {
+ parse = NONE;
+ flags |= NL80211_SCAN_FLAG_LOW_PRIORITY;
+ break;
+ } else if (strcmp(argv[i], "flush") == 0) {
+ parse = NONE;
+ flags |= NL80211_SCAN_FLAG_FLUSH;
+ break;
+ } else if (strcmp(argv[i], "ap-force") == 0) {
+ parse = NONE;
+ flags |= NL80211_SCAN_FLAG_AP;
+ break;
+ } else if (strcmp(argv[i], "ssid") == 0) {
+ parse = SSID;
+ have_ssids = true;
+ break;
+ } else if (strcmp(argv[i], "passive") == 0) {
+ parse = DONE;
+ passive = true;
+ break;
+ }
+ case DONE:
+ return 1;
+ case FREQ:
+ freq = strtoul(argv[i], &eptr, 10);
+ if (eptr != argv[i] + strlen(argv[i])) {
+ /* failed to parse as number -- maybe a tag? */
+ i--;
+ parse = NONE;
+ continue;
+ }
+ NLA_PUT_U32(freqs, i, freq);
+ break;
+ case IES:
+ ies = parse_hex(argv[i], &tmp);
+ if (!ies)
+ goto nla_put_failure;
+ NLA_PUT(msg, NL80211_ATTR_IE, tmp, ies);
+ free(ies);
+ parse = NONE;
+ break;
+ case SSID:
+ NLA_PUT(ssids, i, strlen(argv[i]), argv[i]);
+ break;
+ }
+ }
+
+ if (!have_ssids)
+ NLA_PUT(ssids, 1, 0, "");
+ if (!passive)
+ nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
+
+ if (have_freqs)
+ nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs);
+ if (flags)
+ NLA_PUT_U32(msg, NL80211_ATTR_SCAN_FLAGS, flags);
err = 0;
nla_put_failure:
nlmsg_free(ssids);
+ nlmsg_free(freqs);
return err;
}
-COMMAND(scan, trigger, NULL,
- NL80211_CMD_TRIGGER_SCAN, 0, CIB_NETDEV, handle_scan);
-typedef void (*printfn)(unsigned char type, unsigned char len, unsigned char *data);
+static void tab_on_first(bool *first)
+{
+ if (!*first)
+ printf("\t");
+ else
+ *first = false;
+}
-static void print_ssid(unsigned char type, unsigned char len, unsigned char *data)
+static void print_ssid(const uint8_t type, uint8_t len, const uint8_t *data)
{
- int i;
- printf("\tSSID: ");
- for (i=0; i<len; i++) {
- if (isprint(data[i]))
- printf("%c", data[i]);
- else
- printf("\\x%.2x", data[i]);
- }
+ printf(" ");
+ print_ssid_escaped(len, data);
printf("\n");
}
-static void print_supprates(unsigned char type, unsigned char len, unsigned char *data)
+#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
+#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
+
+static void print_supprates(const uint8_t type, uint8_t len, const uint8_t *data)
{
int i;
- if (type == 1)
- printf("\tSupported rates: ");
- else
- printf("\tExtended supported rates: ");
+ printf(" ");
- for (i=0; i<len; i++) {
+ for (i = 0; i < len; i++) {
int r = data[i] & 0x7f;
- printf("%d.%d%s ", r/2, 5*(r&1), data[i] & 0x80 ? "*":"");
+
+ if (r == BSS_MEMBERSHIP_SELECTOR_VHT_PHY && data[i] & 0x80)
+ printf("VHT");
+ else if (r == BSS_MEMBERSHIP_SELECTOR_HT_PHY && data[i] & 0x80)
+ printf("HT");
+ else
+ printf("%d.%d", r/2, 5*(r&1));
+
+ printf("%s ", data[i] & 0x80 ? "*" : "");
}
printf("\n");
}
-static void print_ds(unsigned char type, unsigned char len, unsigned char *data)
+static void print_ds(const uint8_t type, uint8_t len, const uint8_t *data)
{
- printf("\tDS Parameter set: channel %d\n", data[0]);
+ printf(" channel %d\n", data[0]);
}
-static void print_ign(unsigned char type, unsigned char len, unsigned char *data)
+static const char *country_env_str(char environment)
{
- /* ignore for now, not too useful */
+ switch (environment) {
+ case 'I':
+ return "Indoor only";
+ case 'O':
+ return "Outdoor only";
+ case ' ':
+ return "Indoor/Outdoor";
+ default:
+ return "bogus";
+ }
}
-static void print_country(unsigned char type, unsigned char len, unsigned char *data)
+static void print_country(const uint8_t type, uint8_t len, const uint8_t *data)
{
- int i;
+ printf(" %.*s", 2, data);
- printf("\tCountry: %.*s", 2, data);
- switch (data[2]) {
- case 'I':
- printf(" (indoor)");
- break;
- case 'O':
- printf(" (outdoor)");
- break;
+ printf("\tEnvironment: %s\n", country_env_str(data[2]));
+
+ data += 3;
+ len -= 3;
+
+ if (len < 3) {
+ printf("\t\tNo country IE triplets present\n");
+ return;
}
- printf(", data:");
- for(i=0; i<len-3; i++)
- printf(" %.02x", data[i + 3]);
- printf("\n");
+
+ while (len >= 3) {
+ int end_channel;
+ union ieee80211_country_ie_triplet *triplet = (void *) data;
+
+ if (triplet->ext.reg_extension_id >= IEEE80211_COUNTRY_EXTENSION_ID) {
+ printf("\t\tExtension ID: %d Regulatory Class: %d Coverage class: %d (up to %dm)\n",
+ triplet->ext.reg_extension_id,
+ triplet->ext.reg_class,
+ triplet->ext.coverage_class,
+ triplet->ext.coverage_class * 450);
+
+ data += 3;
+ len -= 3;
+ continue;
+ }
+
+ /* 2 GHz */
+ if (triplet->chans.first_channel <= 14)
+ end_channel = triplet->chans.first_channel + (triplet->chans.num_channels - 1);
+ else
+ end_channel = triplet->chans.first_channel + (4 * (triplet->chans.num_channels - 1));
+
+ printf("\t\tChannels [%d - %d] @ %d dBm\n", triplet->chans.first_channel, end_channel, triplet->chans.max_power);
+
+ data += 3;
+ len -= 3;
+ }
+
+ return;
}
-static void print_erp(unsigned char type, unsigned char len, unsigned char *data)
+static void print_powerconstraint(const uint8_t type, uint8_t len, const uint8_t *data)
{
- if (data[0] == 0x00)
- return;
+ printf(" %d dB\n", data[0]);
+}
- printf("\tERP:");
+static void print_erp(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ if (data[0] == 0x00)
+ printf(" <no flags>");
if (data[0] & 0x01)
printf(" NonERP_Present");
if (data[0] & 0x02)
printf("\n");
}
-static void print_capabilities(unsigned char type, unsigned char len, unsigned char *data)
+static void print_cipher(const uint8_t *data)
+{
+ if (memcmp(data, ms_oui, 3) == 0) {
+ switch (data[3]) {
+ case 0:
+ printf("Use group cipher suite");
+ break;
+ case 1:
+ printf("WEP-40");
+ break;
+ case 2:
+ printf("TKIP");
+ break;
+ case 4:
+ printf("CCMP");
+ break;
+ case 5:
+ printf("WEP-104");
+ break;
+ default:
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+ break;
+ }
+ } else if (memcmp(data, ieee80211_oui, 3) == 0) {
+ switch (data[3]) {
+ case 0:
+ printf("Use group cipher suite");
+ break;
+ case 1:
+ printf("WEP-40");
+ break;
+ case 2:
+ printf("TKIP");
+ break;
+ case 4:
+ printf("CCMP");
+ break;
+ case 5:
+ printf("WEP-104");
+ break;
+ case 6:
+ printf("AES-128-CMAC");
+ break;
+ case 8:
+ printf("GCMP");
+ break;
+ default:
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+ break;
+ }
+ } else
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+}
+
+static void print_auth(const uint8_t *data)
+{
+ if (memcmp(data, ms_oui, 3) == 0) {
+ switch (data[3]) {
+ case 1:
+ printf("IEEE 802.1X");
+ break;
+ case 2:
+ printf("PSK");
+ break;
+ default:
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+ break;
+ }
+ } else if (memcmp(data, ieee80211_oui, 3) == 0) {
+ switch (data[3]) {
+ case 1:
+ printf("IEEE 802.1X");
+ break;
+ case 2:
+ printf("PSK");
+ break;
+ case 3:
+ printf("FT/IEEE 802.1X");
+ break;
+ case 4:
+ printf("FT/PSK");
+ break;
+ case 5:
+ printf("IEEE 802.1X/SHA-256");
+ break;
+ case 6:
+ printf("PSK/SHA-256");
+ break;
+ default:
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+ break;
+ }
+ } else
+ printf("%.02x-%.02x-%.02x:%d",
+ data[0], data[1] ,data[2], data[3]);
+}
+
+static void print_rsn_ie(const char *defcipher, const char *defauth,
+ uint8_t len, const uint8_t *data)
{
+ bool first = true;
+ __u16 version, count, capa;
int i;
- printf("\tExtended capabilties:");
- for(i=0; i<len; i++)
- printf(" %.02x", data[i]);
+ version = data[0] + (data[1] << 8);
+ tab_on_first(&first);
+ printf("\t * Version: %d\n", version);
+
+ data += 2;
+ len -= 2;
+
+ if (len < 4) {
+ tab_on_first(&first);
+ printf("\t * Group cipher: %s\n", defcipher);
+ printf("\t * Pairwise ciphers: %s\n", defcipher);
+ return;
+ }
+
+ tab_on_first(&first);
+ printf("\t * Group cipher: ");
+ print_cipher(data);
+ printf("\n");
+
+ data += 4;
+ len -= 4;
+
+ if (len < 2) {
+ tab_on_first(&first);
+ printf("\t * Pairwise ciphers: %s\n", defcipher);
+ return;
+ }
+
+ count = data[0] | (data[1] << 8);
+ if (2 + (count * 4) > len)
+ goto invalid;
+
+ tab_on_first(&first);
+ printf("\t * Pairwise ciphers:");
+ for (i = 0; i < count; i++) {
+ printf(" ");
+ print_cipher(data + 2 + (i * 4));
+ }
+ printf("\n");
+
+ data += 2 + (count * 4);
+ len -= 2 + (count * 4);
+
+ if (len < 2) {
+ tab_on_first(&first);
+ printf("\t * Authentication suites: %s\n", defauth);
+ return;
+ }
+
+ count = data[0] | (data[1] << 8);
+ if (2 + (count * 4) > len)
+ goto invalid;
+
+ tab_on_first(&first);
+ printf("\t * Authentication suites:");
+ for (i = 0; i < count; i++) {
+ printf(" ");
+ print_auth(data + 2 + (i * 4));
+ }
printf("\n");
+
+ data += 2 + (count * 4);
+ len -= 2 + (count * 4);
+
+ if (len >= 2) {
+ capa = data[0] | (data[1] << 8);
+ tab_on_first(&first);
+ printf("\t * Capabilities:");
+ if (capa & 0x0001)
+ printf(" PreAuth");
+ if (capa & 0x0002)
+ printf(" NoPairwise");
+ switch ((capa & 0x000c) >> 2) {
+ case 0:
+ break;
+ case 1:
+ printf(" 2-PTKSA-RC");
+ break;
+ case 2:
+ printf(" 4-PTKSA-RC");
+ break;
+ case 3:
+ printf(" 16-PTKSA-RC");
+ break;
+ }
+ switch ((capa & 0x0030) >> 4) {
+ case 0:
+ break;
+ case 1:
+ printf(" 2-GTKSA-RC");
+ break;
+ case 2:
+ printf(" 4-GTKSA-RC");
+ break;
+ case 3:
+ printf(" 16-GTKSA-RC");
+ break;
+ }
+ if (capa & 0x0040)
+ printf(" MFP-required");
+ if (capa & 0x0080)
+ printf(" MFP-capable");
+ if (capa & 0x0200)
+ printf(" Peerkey-enabled");
+ if (capa & 0x0400)
+ printf(" SPP-AMSDU-capable");
+ if (capa & 0x0800)
+ printf(" SPP-AMSDU-required");
+ printf(" (0x%.4x)\n", capa);
+ data += 2;
+ len -= 2;
+ }
+
+ if (len >= 2) {
+ int pmkid_count = data[0] | (data[1] << 8);
+
+ if (len >= 2 + 16 * pmkid_count) {
+ tab_on_first(&first);
+ printf("\t * %d PMKIDs\n", pmkid_count);
+ /* not printing PMKID values */
+ data += 2 + 16 * pmkid_count;
+ len -= 2 + 16 * pmkid_count;
+ } else
+ goto invalid;
+ }
+
+ if (len >= 4) {
+ tab_on_first(&first);
+ printf("\t * Group mgmt cipher suite: ");
+ print_cipher(data);
+ printf("\n");
+ data += 4;
+ len -= 4;
+ }
+
+ invalid:
+ if (len != 0) {
+ printf("\t\t * bogus tail data (%d):", len);
+ while (len) {
+ printf(" %.2x", *data);
+ data++;
+ len--;
+ }
+ printf("\n");
+ }
}
-static const printfn ieprinters[] = {
- [0] = print_ssid,
- [1] = print_supprates,
- [3] = print_ds,
- [5] = print_ign,
- [7] = print_country,
- [42] = print_erp,
- [50] = print_supprates,
- [127] = print_capabilities,
+static void print_rsn(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ print_rsn_ie("CCMP", "IEEE 802.1X", len, data);
+}
+
+static void print_ht_capa(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ printf("\n");
+ print_ht_capability(data[0] | (data[1] << 8));
+ print_ampdu_length(data[2] & 3);
+ print_ampdu_spacing((data[2] >> 2) & 7);
+ print_ht_mcs(data + 3);
+}
+
+static const char *ht_secondary_offset[4] = {
+ "no secondary",
+ "above",
+ "[reserved!]",
+ "below",
};
-static void tab_on_first(bool *first)
+static void print_ht_op(const uint8_t type, uint8_t len, const uint8_t *data)
{
- if (!*first)
- printf("\t");
+ static const char *protection[4] = {
+ "no",
+ "nonmember",
+ "20 MHz",
+ "non-HT mixed",
+ };
+ static const char *sta_chan_width[2] = {
+ "20 MHz",
+ "any",
+ };
+
+ printf("\n");
+ printf("\t\t * primary channel: %d\n", data[0]);
+ printf("\t\t * secondary channel offset: %s\n",
+ ht_secondary_offset[data[1] & 0x3]);
+ printf("\t\t * STA channel width: %s\n", sta_chan_width[(data[1] & 0x4)>>2]);
+ printf("\t\t * RIFS: %d\n", (data[1] & 0x8)>>3);
+ printf("\t\t * HT protection: %s\n", protection[data[2] & 0x3]);
+ printf("\t\t * non-GF present: %d\n", (data[2] & 0x4) >> 2);
+ printf("\t\t * OBSS non-GF present: %d\n", (data[2] & 0x10) >> 4);
+ printf("\t\t * dual beacon: %d\n", (data[4] & 0x40) >> 6);
+ printf("\t\t * dual CTS protection: %d\n", (data[4] & 0x80) >> 7);
+ printf("\t\t * STBC beacon: %d\n", data[5] & 0x1);
+ printf("\t\t * L-SIG TXOP Prot: %d\n", (data[5] & 0x2) >> 1);
+ printf("\t\t * PCO active: %d\n", (data[5] & 0x4) >> 2);
+ printf("\t\t * PCO phase: %d\n", (data[5] & 0x8) >> 3);
+}
+
+static void print_capabilities(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ int i, base, bit;
+ bool first = true;
+
+
+ for (i = 0; i < len; i++) {
+ base = i * 8;
+
+ for (bit = 0; bit < 8; bit++) {
+ if (!(data[i] & (1 << bit)))
+ continue;
+
+ if (!first)
+ printf(",");
+ else
+ first = false;
+
+#define CAPA(bit, name) case bit: printf(" " name); break
+
+ switch (bit + base) {
+ CAPA(0, "HT Information Exchange Supported");
+ CAPA(1, "reserved (On-demand Beacon)");
+ CAPA(2, "Extended Channel Switching");
+ CAPA(3, "reserved (Wave Indication)");
+ CAPA(4, "PSMP Capability");
+ CAPA(5, "reserved (Service Interval Granularity)");
+ CAPA(6, "S-PSMP Capability");
+ CAPA(7, "Event");
+ CAPA(8, "Diagnostics");
+ CAPA(9, "Multicast Diagnostics");
+ CAPA(10, "Location Tracking");
+ CAPA(11, "FMS");
+ CAPA(12, "Proxy ARP Service");
+ CAPA(13, "Collocated Interference Reporting");
+ CAPA(14, "Civic Location");
+ CAPA(15, "Geospatial Location");
+ CAPA(16, "TFS");
+ CAPA(17, "WNM-Sleep Mode");
+ CAPA(18, "TIM Broadcast");
+ CAPA(19, "BSS Transition");
+ CAPA(20, "QoS Traffic Capability");
+ CAPA(21, "AC Station Count");
+ CAPA(22, "Multiple BSSID");
+ CAPA(23, "Timing Measurement");
+ CAPA(24, "Channel Usage");
+ CAPA(25, "SSID List");
+ CAPA(26, "DMS");
+ CAPA(27, "UTC TSF Offset");
+ CAPA(28, "TDLS Peer U-APSD Buffer STA Support");
+ CAPA(29, "TDLS Peer PSM Support");
+ CAPA(30, "TDLS channel switching");
+ CAPA(31, "Interworking");
+ CAPA(32, "QoS Map");
+ CAPA(33, "EBR");
+ CAPA(34, "SSPN Interface");
+ CAPA(35, "Reserved");
+ CAPA(36, "MSGCF Capability");
+ CAPA(37, "TDLS Support");
+ CAPA(38, "TDLS Prohibited");
+ CAPA(39, "TDLS Channel Switching Prohibited");
+ CAPA(40, "Reject Unadmitted Frame");
+ CAPA(44, "Identifier Location");
+ CAPA(45, "U-APSD Coexistence");
+ CAPA(46, "WNM-Notification");
+ CAPA(47, "Reserved");
+ CAPA(48, "UTF-8 SSID");
+ default:
+ printf(" %d", bit);
+ break;
+ }
+#undef CAPA
+ }
+ }
+
+ printf("\n");
+}
+
+static void print_tim(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ printf(" DTIM Count %u DTIM Period %u Bitmap Control 0x%x "
+ "Bitmap[0] 0x%x",
+ data[0], data[1], data[2], data[3]);
+ if (len - 4)
+ printf(" (+ %u octet%s)", len - 4, len - 4 == 1 ? "" : "s");
+ printf("\n");
+}
+
+static void print_vht_capa(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ printf("\n");
+ print_vht_info(data[0] | (data[1] << 8) |
+ (data[2] << 16) | (data[3] << 24),
+ data + 4);
+}
+
+static void print_vht_oper(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ const char *chandwidths[] = {
+ [0] = "20 or 40 MHz",
+ [1] = "80 MHz",
+ [3] = "80+80 MHz",
+ [2] = "160 MHz",
+ };
+
+ printf("\n");
+ printf("\t\t * channel width: %d (%s)\n", data[0],
+ data[0] < ARRAY_SIZE(chandwidths) ? chandwidths[data[0]] : "unknown");
+ printf("\t\t * center freq segment 1: %d\n", data[1]);
+ printf("\t\t * center freq segment 2: %d\n", data[2]);
+ printf("\t\t * VHT basic MCS set: 0x%.2x%.2x\n", data[4], data[3]);
+}
+
+static void print_obss_scan_params(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ printf("\n");
+ printf("\t\t * passive dwell: %d TUs\n", (data[1] << 8) | data[0]);
+ printf("\t\t * active dwell: %d TUs\n", (data[3] << 8) | data[2]);
+ printf("\t\t * channel width trigger scan interval: %d s\n", (data[5] << 8) | data[4]);
+ printf("\t\t * scan passive total per channel: %d TUs\n", (data[7] << 8) | data[6]);
+ printf("\t\t * scan active total per channel: %d TUs\n", (data[9] << 8) | data[8]);
+ printf("\t\t * BSS width channel transition delay factor: %d\n", (data[11] << 8) | data[10]);
+ printf("\t\t * OBSS Scan Activity Threshold: %d.%02d %%\n",
+ ((data[13] << 8) | data[12]) / 100, ((data[13] << 8) | data[12]) % 100);
+}
+
+static void print_secchan_offs(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ if (data[0] < ARRAY_SIZE(ht_secondary_offset))
+ printf(" %s (%d)\n", ht_secondary_offset[data[0]], data[0]);
else
- *first = false;
+ printf(" %d\n", data[0]);
+}
+
+static void print_bss_load(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ printf("\n");
+ printf("\t\t * station count: %d\n", (data[1] << 8) | data[0]);
+ printf("\t\t * channel utilisation: %d/255\n", data[2]);
+ printf("\t\t * available admission capacity: %d [*32us]\n", (data[4] << 8) | data[3]);
+}
+
+struct ie_print {
+ const char *name;
+ void (*print)(const uint8_t type, uint8_t len, const uint8_t *data);
+ uint8_t minlen, maxlen;
+ uint8_t flags;
+};
+
+static void print_ie(const struct ie_print *p, const uint8_t type,
+ uint8_t len, const uint8_t *data)
+{
+ int i;
+
+ if (!p->print)
+ return;
+
+ printf("\t%s:", p->name);
+ if (len < p->minlen || len > p->maxlen) {
+ if (len > 1) {
+ printf(" <invalid: %d bytes:", len);
+ for (i = 0; i < len; i++)
+ printf(" %.02x", data[i]);
+ printf(">\n");
+ } else if (len)
+ printf(" <invalid: 1 byte: %.02x>\n", data[0]);
+ else
+ printf(" <invalid: no data>\n");
+ return;
+ }
+
+ p->print(type, len, data);
+}
+
+#define PRINT_IGN { \
+ .name = "IGNORE", \
+ .print = NULL, \
+ .minlen = 0, \
+ .maxlen = 255, \
+}
+
+static const struct ie_print ieprinters[] = {
+ [0] = { "SSID", print_ssid, 0, 32, BIT(PRINT_SCAN) | BIT(PRINT_LINK), },
+ [1] = { "Supported rates", print_supprates, 0, 255, BIT(PRINT_SCAN), },
+ [3] = { "DS Parameter set", print_ds, 1, 1, BIT(PRINT_SCAN), },
+ [5] = { "TIM", print_tim, 4, 255, BIT(PRINT_SCAN), },
+ [7] = { "Country", print_country, 3, 255, BIT(PRINT_SCAN), },
+ [11] = { "BSS Load", print_bss_load, 5, 5, BIT(PRINT_SCAN), },
+ [32] = { "Power constraint", print_powerconstraint, 1, 1, BIT(PRINT_SCAN), },
+ [42] = { "ERP", print_erp, 1, 255, BIT(PRINT_SCAN), },
+ [45] = { "HT capabilities", print_ht_capa, 26, 26, BIT(PRINT_SCAN), },
+ [74] = { "Overlapping BSS scan params", print_obss_scan_params, 14, 255, BIT(PRINT_SCAN), },
+ [61] = { "HT operation", print_ht_op, 22, 22, BIT(PRINT_SCAN), },
+ [62] = { "Secondary Channel Offset", print_secchan_offs, 1, 1, BIT(PRINT_SCAN), },
+ [191] = { "VHT capabilities", print_vht_capa, 12, 255, BIT(PRINT_SCAN), },
+ [192] = { "VHT operation", print_vht_oper, 5, 255, BIT(PRINT_SCAN), },
+ [48] = { "RSN", print_rsn, 2, 255, BIT(PRINT_SCAN), },
+ [50] = { "Extended supported rates", print_supprates, 0, 255, BIT(PRINT_SCAN), },
+ [114] = { "MESH ID", print_ssid, 0, 32, BIT(PRINT_SCAN) | BIT(PRINT_LINK), },
+ [127] = { "Extended capabilities", print_capabilities, 0, 255, BIT(PRINT_SCAN), },
+};
+
+static void print_wifi_wpa(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ print_rsn_ie("TKIP", "IEEE 802.1X", len, data);
}
-static void print_wifi_wps(unsigned char type, unsigned char len, unsigned char *data)
+static bool print_wifi_wmm_param(const uint8_t *data, uint8_t len)
+{
+ int i;
+ static const char *aci_tbl[] = { "BE", "BK", "VI", "VO" };
+
+ if (len < 19)
+ goto invalid;
+
+ if (data[0] != 1) {
+ printf("Parameter: not version 1: ");
+ return false;
+ }
+
+ printf("\t * Parameter version 1");
+
+ data++;
+
+ if (data[0] & 0x80)
+ printf("\n\t\t * u-APSD");
+
+ data += 2;
+
+ for (i = 0; i < 4; i++) {
+ printf("\n\t\t * %s:", aci_tbl[(data[0] >> 5) & 3]);
+ if (data[0] & 0x10)
+ printf(" acm");
+ printf(" CW %d-%d", (1 << (data[1] & 0xf)) - 1,
+ (1 << (data[1] >> 4)) - 1);
+ printf(", AIFSN %d", data[0] & 0xf);
+ if (data[2] | data[3])
+ printf(", TXOP %d usec", (data[2] + (data[3] << 8)) * 32);
+ data += 4;
+ }
+
+ printf("\n");
+ return true;
+
+ invalid:
+ printf("invalid: ");
+ return false;
+}
+
+static void print_wifi_wmm(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ int i;
+
+ switch (data[0]) {
+ case 0x00:
+ printf(" information:");
+ break;
+ case 0x01:
+ if (print_wifi_wmm_param(data + 1, len - 1))
+ return;
+ break;
+ default:
+ printf(" type %d:", data[0]);
+ break;
+ }
+
+ for(i = 1; i < len; i++)
+ printf(" %.02x", data[i]);
+ printf("\n");
+}
+
+static const char * wifi_wps_dev_passwd_id(uint16_t id)
+{
+ switch (id) {
+ case 0:
+ return "Default (PIN)";
+ case 1:
+ return "User-specified";
+ case 2:
+ return "Machine-specified";
+ case 3:
+ return "Rekey";
+ case 4:
+ return "PushButton";
+ case 5:
+ return "Registrar-specified";
+ default:
+ return "??";
+ }
+}
+
+static void print_wifi_wps(const uint8_t type, uint8_t len, const uint8_t *data)
{
bool first = true;
__u16 subtype, sublen;
- printf("\tWPS:");
-
while (len >= 4) {
subtype = (data[0] << 8) + data[1];
sublen = (data[2] << 8) + data[3];
switch (subtype) {
case 0x104a:
tab_on_first(&first);
- printf("\t * Version: %#.2x\n", data[4]);
+ printf("\t * Version: %d.%d\n", data[4] >> 4, data[4] & 0xF);
break;
case 0x1011:
tab_on_first(&first);
printf("\t * Device name: %.*s\n", sublen, data + 4);
break;
+ case 0x1012: {
+ uint16_t id;
+ tab_on_first(&first);
+ if (sublen != 2) {
+ printf("\t * Device Password ID: (invalid "
+ "length %d)\n", sublen);
+ break;
+ }
+ id = data[4] << 8 | data[5];
+ printf("\t * Device Password ID: %u (%s)\n",
+ id, wifi_wps_dev_passwd_id(id));
+ break;
+ }
case 0x1021:
tab_on_first(&first);
printf("\t * Manufacturer: %.*s\n", sublen, data + 4);
tab_on_first(&first);
printf("\t * Model: %.*s\n", sublen, data + 4);
break;
+ case 0x1024:
+ tab_on_first(&first);
+ printf("\t * Model Number: %.*s\n", sublen, data + 4);
+ break;
+ case 0x103b: {
+ __u8 val = data[4];
+ tab_on_first(&first);
+ printf("\t * Response Type: %d%s\n",
+ val, val == 3 ? " (AP)" : "");
+ break;
+ }
+ case 0x103c: {
+ __u8 val = data[4];
+ tab_on_first(&first);
+ printf("\t * RF Bands: 0x%x\n", val);
+ break;
+ }
+ case 0x1041: {
+ __u8 val = data[4];
+ tab_on_first(&first);
+ printf("\t * Selected Registrar: 0x%x\n", val);
+ break;
+ }
+ case 0x1042:
+ tab_on_first(&first);
+ printf("\t * Serial Number: %.*s\n", sublen, data + 4);
+ break;
+ case 0x1044: {
+ __u8 val = data[4];
+ tab_on_first(&first);
+ printf("\t * Wi-Fi Protected Setup State: %d%s%s\n",
+ val,
+ val == 1 ? " (Unconfigured)" : "",
+ val == 2 ? " (Configured)" : "");
+ break;
+ }
+ case 0x1047:
+ tab_on_first(&first);
+ printf("\t * UUID: ");
+ if (sublen != 16) {
+ printf("(invalid, length=%d)\n", sublen);
+ break;
+ }
+ printf("%02x%02x%02x%02x-%02x%02x-%02x%02x-"
+ "%02x%02x-%02x%02x%02x%02x%02x%02x\n",
+ data[4], data[5], data[6], data[7],
+ data[8], data[9], data[10], data[11],
+ data[12], data[13], data[14], data[15],
+ data[16], data[17], data[18], data[19]);
+ break;
+ case 0x1054: {
+ tab_on_first(&first);
+ if (sublen != 8) {
+ printf("\t * Primary Device Type: (invalid "
+ "length %d)\n", sublen);
+ break;
+ }
+ printf("\t * Primary Device Type: "
+ "%u-%02x%02x%02x%02x-%u\n",
+ data[4] << 8 | data[5],
+ data[6], data[7], data[8], data[9],
+ data[10] << 8 | data[11]);
+ break;
+ }
case 0x1057: {
- __u16 val = (data[4] << 8) | data[5];
+ __u8 val = data[4];
tab_on_first(&first);
- printf("\t * AP setup locked: 0x%.4x\n", val);
+ printf("\t * AP setup locked: 0x%.2x\n", val);
break;
}
- case 0x1008: {
+ case 0x1008:
+ case 0x1053: {
__u16 meth = (data[4] << 8) + data[5];
bool comma = false;
tab_on_first(&first);
- printf("\t * Config methods:");
+ printf("\t * %sConfig methods:",
+ subtype == 0x1053 ? "Selected Registrar ": "");
#define T(bit, name) do { \
if (meth & (1<<bit)) { \
if (comma) \
break;
#undef T
}
- default:
+ default: {
+ const __u8 *subdata = data + 4;
+ __u16 tmplen = sublen;
+
+ tab_on_first(&first);
+ printf("\t * Unknown TLV (%#.4x, %d bytes):",
+ subtype, tmplen);
+ while (tmplen) {
+ printf(" %.2x", *subdata);
+ subdata++;
+ tmplen--;
+ }
+ printf("\n");
break;
}
+ }
data += sublen + 4;
len -= sublen + 4;
}
}
-static const printfn wifiprinters[] = {
- [4] = print_wifi_wps,
+static const struct ie_print wifiprinters[] = {
+ [1] = { "WPA", print_wifi_wpa, 2, 255, BIT(PRINT_SCAN), },
+ [2] = { "WMM", print_wifi_wmm, 1, 255, BIT(PRINT_SCAN), },
+ [4] = { "WPS", print_wifi_wps, 0, 255, BIT(PRINT_SCAN), },
+};
+
+static inline void print_p2p(const uint8_t type, uint8_t len, const uint8_t *data)
+{
+ bool first = true;
+ __u8 subtype;
+ __u16 sublen;
+
+ while (len >= 3) {
+ subtype = data[0];
+ sublen = (data[2] << 8) + data[1];
+
+ if (sublen > len - 3)
+ break;
+
+ switch (subtype) {
+ case 0x02: /* capability */
+ tab_on_first(&first);
+ if (sublen < 2) {
+ printf("\t * malformed capability\n");
+ break;
+ }
+ printf("\t * Group capa: 0x%.2x, Device capa: 0x%.2x\n",
+ data[3], data[4]);
+ break;
+ case 0x0d: /* device info */
+ if (sublen < 6 + 2 + 8 + 1) {
+ printf("\t * malformed device info\n");
+ break;
+ }
+ /* fall through for now */
+ case 0x00: /* status */
+ case 0x01: /* minor reason */
+ case 0x03: /* device ID */
+ case 0x04: /* GO intent */
+ case 0x05: /* configuration timeout */
+ case 0x06: /* listen channel */
+ case 0x07: /* group BSSID */
+ case 0x08: /* ext listen timing */
+ case 0x09: /* intended interface address */
+ case 0x0a: /* manageability */
+ case 0x0b: /* channel list */
+ case 0x0c: /* NoA */
+ case 0x0e: /* group info */
+ case 0x0f: /* group ID */
+ case 0x10: /* interface */
+ case 0x11: /* operating channel */
+ case 0x12: /* invitation flags */
+ case 0xdd: /* vendor specific */
+ default: {
+ const __u8 *subdata = data + 4;
+ __u16 tmplen = sublen;
+
+ tab_on_first(&first);
+ printf("\t * Unknown TLV (%#.2x, %d bytes):",
+ subtype, tmplen);
+ while (tmplen) {
+ printf(" %.2x", *subdata);
+ subdata++;
+ tmplen--;
+ }
+ printf("\n");
+ break;
+ }
+ }
+
+ data += sublen + 3;
+ len -= sublen + 3;
+ }
+
+ if (len != 0) {
+ tab_on_first(&first);
+ printf("\t * bogus tail data (%d):", len);
+ while (len) {
+ printf(" %.2x", *data);
+ data++;
+ len--;
+ }
+ printf("\n");
+ }
+}
+
+static const struct ie_print wfa_printers[] = {
+ [9] = { "P2P", print_p2p, 2, 255, BIT(PRINT_SCAN), },
};
static void print_vendor(unsigned char len, unsigned char *data,
- struct scan_params *params)
+ bool unknown, enum print_ie_type ptype)
{
int i;
return;
}
- if (len >= 4 && data[0] == 0x00 && data[1] == 0x50 && data[2] == 0xF2) {
- if (data[3] < ARRAY_SIZE(wifiprinters) && wifiprinters[data[3]])
- return wifiprinters[data[3]](data[3], len - 4, data + 4);
- if (!params->unknown)
+ if (len >= 4 && memcmp(data, ms_oui, 3) == 0) {
+ if (data[3] < ARRAY_SIZE(wifiprinters) &&
+ wifiprinters[data[3]].name &&
+ wifiprinters[data[3]].flags & BIT(ptype)) {
+ print_ie(&wifiprinters[data[3]], data[3], len - 4, data + 4);
+ return;
+ }
+ if (!unknown)
+ return;
+ printf("\tMS/WiFi %#.2x, data:", data[3]);
+ for(i = 0; i < len - 4; i++)
+ printf(" %.02x", data[i + 4]);
+ printf("\n");
+ return;
+ }
+
+ if (len >= 4 && memcmp(data, wfa_oui, 3) == 0) {
+ if (data[3] < ARRAY_SIZE(wfa_printers) &&
+ wfa_printers[data[3]].name &&
+ wfa_printers[data[3]].flags & BIT(ptype)) {
+ print_ie(&wfa_printers[data[3]], data[3], len - 4, data + 4);
+ return;
+ }
+ if (!unknown)
return;
- printf("\tWiFi OUI %#.2x data:", data[3]);
+ printf("\tWFA %#.2x, data:", data[3]);
for(i = 0; i < len - 4; i++)
printf(" %.02x", data[i + 4]);
printf("\n");
return;
}
- if (!params->unknown)
+ if (!unknown)
return;
printf("\tVendor specific: OUI %.2x:%.2x:%.2x, data:",
printf("\n");
}
-static void print_ies(unsigned char *ie, int ielen, struct scan_params *params)
+void print_ies(unsigned char *ie, int ielen, bool unknown,
+ enum print_ie_type ptype)
{
while (ielen >= 2 && ielen >= ie[1]) {
- if (ie[0] < ARRAY_SIZE(ieprinters) && ieprinters[ie[0]]) {
- ieprinters[ie[0]](ie[0], ie[1], ie + 2);
+ if (ie[0] < ARRAY_SIZE(ieprinters) &&
+ ieprinters[ie[0]].name &&
+ ieprinters[ie[0]].flags & BIT(ptype)) {
+ print_ie(&ieprinters[ie[0]], ie[0], ie[1], ie + 2);
} else if (ie[0] == 221 /* vendor */) {
- print_vendor(ie[1], ie + 2, params);
- } else if (params->unknown) {
+ print_vendor(ie[1], ie + 2, unknown, ptype);
+ } else if (unknown) {
int i;
printf("\tUnknown IE (%d):", ie[0]);
}
}
+static void print_capa_dmg(__u16 capa)
+{
+ switch (capa & WLAN_CAPABILITY_DMG_TYPE_MASK) {
+ case WLAN_CAPABILITY_DMG_TYPE_AP:
+ printf(" DMG_ESS");
+ break;
+ case WLAN_CAPABILITY_DMG_TYPE_PBSS:
+ printf(" DMG_PCP");
+ break;
+ case WLAN_CAPABILITY_DMG_TYPE_IBSS:
+ printf(" DMG_IBSS");
+ break;
+ }
+
+ if (capa & WLAN_CAPABILITY_DMG_CBAP_ONLY)
+ printf(" CBAP_Only");
+ if (capa & WLAN_CAPABILITY_DMG_CBAP_SOURCE)
+ printf(" CBAP_Src");
+ if (capa & WLAN_CAPABILITY_DMG_PRIVACY)
+ printf(" Privacy");
+ if (capa & WLAN_CAPABILITY_DMG_ECPAC)
+ printf(" ECPAC");
+ if (capa & WLAN_CAPABILITY_DMG_SPECTRUM_MGMT)
+ printf(" SpectrumMgmt");
+ if (capa & WLAN_CAPABILITY_DMG_RADIO_MEASURE)
+ printf(" RadioMeasure");
+}
+
+static void print_capa_non_dmg(__u16 capa)
+{
+ if (capa & WLAN_CAPABILITY_ESS)
+ printf(" ESS");
+ if (capa & WLAN_CAPABILITY_IBSS)
+ printf(" IBSS");
+ if (capa & WLAN_CAPABILITY_CF_POLLABLE)
+ printf(" CfPollable");
+ if (capa & WLAN_CAPABILITY_CF_POLL_REQUEST)
+ printf(" CfPollReq");
+ if (capa & WLAN_CAPABILITY_PRIVACY)
+ printf(" Privacy");
+ if (capa & WLAN_CAPABILITY_SHORT_PREAMBLE)
+ printf(" ShortPreamble");
+ if (capa & WLAN_CAPABILITY_PBCC)
+ printf(" PBCC");
+ if (capa & WLAN_CAPABILITY_CHANNEL_AGILITY)
+ printf(" ChannelAgility");
+ if (capa & WLAN_CAPABILITY_SPECTRUM_MGMT)
+ printf(" SpectrumMgmt");
+ if (capa & WLAN_CAPABILITY_QOS)
+ printf(" QoS");
+ if (capa & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+ printf(" ShortSlotTime");
+ if (capa & WLAN_CAPABILITY_APSD)
+ printf(" APSD");
+ if (capa & WLAN_CAPABILITY_RADIO_MEASURE)
+ printf(" RadioMeasure");
+ if (capa & WLAN_CAPABILITY_DSSS_OFDM)
+ printf(" DSSS-OFDM");
+ if (capa & WLAN_CAPABILITY_DEL_BACK)
+ printf(" DelayedBACK");
+ if (capa & WLAN_CAPABILITY_IMM_BACK)
+ printf(" ImmediateBACK");
+}
+
static int print_bss_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
[NL80211_BSS_INFORMATION_ELEMENTS] = { },
[NL80211_BSS_SIGNAL_MBM] = { .type = NLA_U32 },
[NL80211_BSS_SIGNAL_UNSPEC] = { .type = NLA_U8 },
+ [NL80211_BSS_STATUS] = { .type = NLA_U32 },
+ [NL80211_BSS_SEEN_MS_AGO] = { .type = NLA_U32 },
+ [NL80211_BSS_BEACON_IES] = { },
};
+ struct scan_params *params = arg;
+ int show = params->show_both_ie_sets ? 2 : 1;
+ bool is_dmg = false;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!tb[NL80211_ATTR_BSS]) {
- fprintf(stderr, "bss info missing!");
+ fprintf(stderr, "bss info missing!\n");
return NL_SKIP;
}
if (nla_parse_nested(bss, NL80211_BSS_MAX,
tb[NL80211_ATTR_BSS],
bss_policy)) {
- fprintf(stderr, "failed to parse nested attributes!");
+ fprintf(stderr, "failed to parse nested attributes!\n");
return NL_SKIP;
}
mac_addr_n2a(mac_addr, nla_data(bss[NL80211_BSS_BSSID]));
if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), dev);
- printf("BSS %s (on %s)\n", mac_addr, dev);
+ printf("BSS %s (on %s)", mac_addr, dev);
+
+ if (bss[NL80211_BSS_STATUS]) {
+ switch (nla_get_u32(bss[NL80211_BSS_STATUS])) {
+ case NL80211_BSS_STATUS_AUTHENTICATED:
+ printf(" -- authenticated");
+ break;
+ case NL80211_BSS_STATUS_ASSOCIATED:
+ printf(" -- associated");
+ break;
+ case NL80211_BSS_STATUS_IBSS_JOINED:
+ printf(" -- joined");
+ break;
+ default:
+ printf(" -- unknown status: %d",
+ nla_get_u32(bss[NL80211_BSS_STATUS]));
+ break;
+ }
+ }
+ printf("\n");
if (bss[NL80211_BSS_TSF]) {
unsigned long long tsf;
tsf, tsf/1000/1000/60/60/24, (tsf/1000/1000/60/60) % 24,
(tsf/1000/1000/60) % 60, (tsf/1000/1000) % 60);
}
- if (bss[NL80211_BSS_FREQUENCY])
- printf("\tfreq: %d\n",
- nla_get_u32(bss[NL80211_BSS_FREQUENCY]));
+ if (bss[NL80211_BSS_FREQUENCY]) {
+ int freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
+ printf("\tfreq: %d\n", freq);
+ if (freq > 45000)
+ is_dmg = true;
+ }
if (bss[NL80211_BSS_BEACON_INTERVAL])
printf("\tbeacon interval: %d\n",
nla_get_u16(bss[NL80211_BSS_BEACON_INTERVAL]));
- if (bss[NL80211_BSS_CAPABILITY])
- printf("\tcapability: 0x%.4x\n",
- nla_get_u16(bss[NL80211_BSS_CAPABILITY]));
+ if (bss[NL80211_BSS_CAPABILITY]) {
+ __u16 capa = nla_get_u16(bss[NL80211_BSS_CAPABILITY]);
+ printf("\tcapability:");
+ if (is_dmg)
+ print_capa_dmg(capa);
+ else
+ print_capa_non_dmg(capa);
+ printf(" (0x%.4x)\n", capa);
+ }
if (bss[NL80211_BSS_SIGNAL_MBM]) {
int s = nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM]);
printf("\tsignal: %d.%.2d dBm\n", s/100, s%100);
unsigned char s = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
printf("\tsignal: %d/100\n", s);
}
- if (bss[NL80211_BSS_INFORMATION_ELEMENTS])
+ if (bss[NL80211_BSS_SEEN_MS_AGO]) {
+ int age = nla_get_u32(bss[NL80211_BSS_SEEN_MS_AGO]);
+ printf("\tlast seen: %d ms ago\n", age);
+ }
+
+ if (bss[NL80211_BSS_INFORMATION_ELEMENTS] && show--) {
+ if (bss[NL80211_BSS_BEACON_IES])
+ printf("\tInformation elements from Probe Response "
+ "frame:\n");
print_ies(nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]),
nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]),
- arg);
+ params->unknown, params->type);
+ }
+ if (bss[NL80211_BSS_BEACON_IES] && show--) {
+ printf("\tInformation elements from Beacon frame:\n");
+ print_ies(nla_data(bss[NL80211_BSS_BEACON_IES]),
+ nla_len(bss[NL80211_BSS_BEACON_IES]),
+ params->unknown, params->type);
+ }
return NL_SKIP;
}
static int handle_scan_dump(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
if (argc > 1)
return 1;
- scan_params.unknown = false;
+ memset(&scan_params, 0, sizeof(scan_params));
+
if (argc == 1 && !strcmp(argv[0], "-u"))
scan_params.unknown = true;
+ else if (argc == 1 && !strcmp(argv[0], "-b"))
+ scan_params.show_both_ie_sets = true;
+
+ scan_params.type = PRINT_SCAN;
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_bss_handler,
&scan_params);
return 0;
}
-COMMAND(scan, dump, "[-u]",
- NL80211_CMD_GET_SCAN, NLM_F_DUMP, CIB_NETDEV, handle_scan_dump);
static int handle_scan_combined(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
- static char *trig_argv[] = {
- NULL,
- "scan",
- "trigger",
- };
+ char **trig_argv;
static char *dump_argv[] = {
NULL,
"scan",
NL80211_CMD_NEW_SCAN_RESULTS,
NL80211_CMD_SCAN_ABORTED,
};
- int dump_argc, err;
+ int trig_argc, dump_argc, err;
+ if (argc >= 3 && !strcmp(argv[2], "-u")) {
+ dump_argc = 4;
+ dump_argv[3] = "-u";
+ } else if (argc >= 3 && !strcmp(argv[2], "-b")) {
+ dump_argc = 4;
+ dump_argv[3] = "-b";
+ } else
+ dump_argc = 3;
+
+ trig_argc = 3 + (argc - 2) + (3 - dump_argc);
+ trig_argv = calloc(trig_argc, sizeof(*trig_argv));
+ if (!trig_argv)
+ return -ENOMEM;
trig_argv[0] = argv[0];
- err = handle_cmd(state, II_NETDEV, ARRAY_SIZE(trig_argv), trig_argv);
+ trig_argv[1] = "scan";
+ trig_argv[2] = "trigger";
+ int i;
+ for (i = 0; i < argc - 2 - (dump_argc - 3); i++)
+ trig_argv[i + 3] = argv[i + 2 + (dump_argc - 3)];
+ err = handle_cmd(state, id, trig_argc, trig_argv);
+ free(trig_argv);
if (err)
return err;
return 0;
}
- if (argc == 3 && !strcmp(argv[2], "-u")) {
- dump_argc = 4;
- dump_argv[3] = "-u";
- } else
- dump_argc = 3;
-
dump_argv[0] = argv[0];
- return handle_cmd(state, II_NETDEV, dump_argc, dump_argv);
+ return handle_cmd(state, id, dump_argc, dump_argv);
}
-TOPLEVEL(scan, "[-u]", 0, 0, CIB_NETDEV, handle_scan_combined);
+TOPLEVEL(scan, "[-u] [freq <freq>*] [ies <hex as 00:11:..>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]", 0, 0,
+ CIB_NETDEV, handle_scan_combined,
+ "Scan on the given frequencies and probe for the given SSIDs\n"
+ "(or wildcard if not given) unless passive scanning is requested.\n"
+ "If -u is specified print unknown data in the scan results.\n"
+ "Specified (vendor) IEs must be well-formed.");
+COMMAND(scan, dump, "[-u]",
+ NL80211_CMD_GET_SCAN, NLM_F_DUMP, CIB_NETDEV, handle_scan_dump,
+ "Dump the current scan results. If -u is specified, print unknown\n"
+ "data in scan results.");
+COMMAND(scan, trigger, "[freq <freq>*] [ies <hex as 00:11:..>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]",
+ NL80211_CMD_TRIGGER_SCAN, 0, CIB_NETDEV, handle_scan,
+ "Trigger a scan on the given frequencies with probing for the given\n"
+ "SSIDs (or wildcard if not given) unless passive scanning is requested.");
projects / thirdparty / iw.git / blobdiff