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781 lines
21 KiB
781 lines
21 KiB
#include <stdint.h>
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#include <stdbool.h>
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#include <net/if.h>
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#include <errno.h>
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#include "iw.h"
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static int no_seq_check(struct nl_msg *msg, void *arg)
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{
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return NL_OK;
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}
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struct ieee80211_beacon_channel {
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__u16 center_freq;
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bool no_ir;
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bool no_ibss;
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};
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static int parse_beacon_hint_chan(struct nlattr *tb,
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struct ieee80211_beacon_channel *chan)
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{
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struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
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static struct nla_policy beacon_freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
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[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
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[NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
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[__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
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};
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if (nla_parse_nested(tb_freq,
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NL80211_FREQUENCY_ATTR_MAX,
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tb,
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beacon_freq_policy))
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return -EINVAL;
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chan->center_freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
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if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
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chan->no_ir = true;
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if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS])
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chan->no_ibss = true;
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return 0;
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}
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static void print_frame(struct print_event_args *args, struct nlattr *attr)
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{
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uint8_t *frame;
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size_t len;
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int i;
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char macbuf[6*3];
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uint16_t tmp;
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if (!attr)
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printf(" [no frame]");
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frame = nla_data(attr);
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len = nla_len(attr);
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if (len < 26) {
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printf(" [invalid frame: ");
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goto print_frame;
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}
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mac_addr_n2a(macbuf, frame + 10);
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printf(" %s -> ", macbuf);
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mac_addr_n2a(macbuf, frame + 4);
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printf("%s", macbuf);
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switch (frame[0] & 0xfc) {
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case 0x10: /* assoc resp */
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case 0x30: /* reassoc resp */
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/* status */
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tmp = (frame[27] << 8) + frame[26];
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printf(" status: %d: %s", tmp, get_status_str(tmp));
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break;
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case 0x00: /* assoc req */
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case 0x20: /* reassoc req */
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break;
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case 0xb0: /* auth */
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/* status */
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tmp = (frame[29] << 8) + frame[28];
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printf(" status: %d: %s", tmp, get_status_str(tmp));
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break;
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case 0xa0: /* disassoc */
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case 0xc0: /* deauth */
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/* reason */
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tmp = (frame[25] << 8) + frame[24];
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printf(" reason %d: %s", tmp, get_reason_str(tmp));
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break;
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}
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if (!args->frame)
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return;
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printf(" [frame:");
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print_frame:
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for (i = 0; i < len; i++)
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printf(" %.02x", frame[i]);
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printf("]");
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}
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static void parse_cqm_event(struct nlattr **attrs)
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{
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static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
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[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
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[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
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[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
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};
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struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
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struct nlattr *cqm_attr = attrs[NL80211_ATTR_CQM];
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printf("CQM event: ");
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if (!cqm_attr ||
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nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, cqm_attr, cqm_policy)) {
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printf("missing data!\n");
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return;
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}
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if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]) {
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enum nl80211_cqm_rssi_threshold_event rssi_event;
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bool found_one = false;
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rssi_event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
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switch (rssi_event) {
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case NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH:
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printf("RSSI went above threshold\n");
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found_one = true;
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break;
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case NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW:
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printf("RSSI went below threshold\n");
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found_one = true;
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break;
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case NL80211_CQM_RSSI_BEACON_LOSS_EVENT:
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printf("Beacon loss detected\n");
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found_one = true;
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break;
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}
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if (!found_one)
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printf("Unknown event type: %i\n", rssi_event);
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} else if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
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if (attrs[NL80211_ATTR_MAC]) {
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uint32_t frames;
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char buf[3*6];
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frames = nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
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mac_addr_n2a(buf, nla_data(attrs[NL80211_ATTR_MAC]));
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printf("peer %s didn't ACK %d packets\n", buf, frames);
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} else {
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printf("PKT-LOSS-EVENT did not have MAC attribute!\n");
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}
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} else if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
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printf("beacon loss\n");
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} else {
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printf("unknown event\n");
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}
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}
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static const char * key_type_str(enum nl80211_key_type key_type)
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{
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static char buf[30];
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switch (key_type) {
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case NL80211_KEYTYPE_GROUP:
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return "Group";
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case NL80211_KEYTYPE_PAIRWISE:
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return "Pairwise";
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case NL80211_KEYTYPE_PEERKEY:
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return "PeerKey";
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default:
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snprintf(buf, sizeof(buf), "unknown(%d)", key_type);
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return buf;
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}
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}
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static void parse_mic_failure(struct nlattr **attrs)
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{
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printf("Michael MIC failure event:");
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if (attrs[NL80211_ATTR_MAC]) {
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char addr[3 * ETH_ALEN];
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mac_addr_n2a(addr, nla_data(attrs[NL80211_ATTR_MAC]));
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printf(" source MAC address %s", addr);
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}
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if (attrs[NL80211_ATTR_KEY_SEQ] &&
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nla_len(attrs[NL80211_ATTR_KEY_SEQ]) == 6) {
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unsigned char *seq = nla_data(attrs[NL80211_ATTR_KEY_SEQ]);
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printf(" seq=%02x%02x%02x%02x%02x%02x",
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seq[0], seq[1], seq[2], seq[3], seq[4], seq[5]);
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}
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if (attrs[NL80211_ATTR_KEY_TYPE]) {
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enum nl80211_key_type key_type =
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nla_get_u32(attrs[NL80211_ATTR_KEY_TYPE]);
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printf(" Key Type %s", key_type_str(key_type));
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}
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if (attrs[NL80211_ATTR_KEY_IDX]) {
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__u8 key_id = nla_get_u8(attrs[NL80211_ATTR_KEY_IDX]);
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printf(" Key Id %d", key_id);
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}
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printf("\n");
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}
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static void parse_wowlan_wake_event(struct nlattr **attrs)
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{
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struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG],
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*tb_match[NUM_NL80211_ATTR];
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printf("WoWLAN wakeup\n");
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if (!attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
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printf("\twakeup not due to WoWLAN\n");
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return;
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}
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nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
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nla_data(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
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nla_len(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), NULL);
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if (tb[NL80211_WOWLAN_TRIG_DISCONNECT])
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printf("\t* was disconnected\n");
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if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT])
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printf("\t* magic packet received\n");
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if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN])
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printf("\t* pattern index: %u\n",
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nla_get_u32(tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]));
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if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
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printf("\t* GTK rekey failure\n");
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if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
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printf("\t* EAP identity request\n");
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if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
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printf("\t* 4-way handshake\n");
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if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
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printf("\t* RF-kill released\n");
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if (tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS]) {
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struct nlattr *match, *freq;
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int rem_nst, rem_nst2;
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printf("\t* network detected\n");
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nla_for_each_nested(match,
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tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS],
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rem_nst) {
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nla_parse(tb_match, NUM_NL80211_ATTR, nla_data(match),
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nla_len(match),
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NULL);
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printf("\t\tSSID: \"");
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print_ssid_escaped(nla_len(tb_match[NL80211_ATTR_SSID]),
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nla_data(tb_match[NL80211_ATTR_SSID]));
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printf("\"");
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if (tb_match[NL80211_ATTR_SCAN_FREQUENCIES]) {
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printf(" freq(s):");
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nla_for_each_nested(freq,
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tb_match[NL80211_ATTR_SCAN_FREQUENCIES],
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rem_nst2)
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printf(" %d", nla_get_u32(freq));
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}
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printf("\n");
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}
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}
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if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]) {
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uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
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int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
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int i;
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printf("\t* packet (might be truncated): ");
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for (i = 0; i < l; i++) {
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if (i > 0)
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printf(":");
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printf("%.2x", d[i]);
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}
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printf("\n");
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}
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if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]) {
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uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
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int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
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int i;
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printf("\t* packet (might be truncated): ");
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for (i = 0; i < l; i++) {
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if (i > 0)
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printf(":");
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printf("%.2x", d[i]);
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}
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printf("\n");
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}
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if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH])
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printf("\t* TCP connection wakeup received\n");
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if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST])
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printf("\t* TCP connection lost\n");
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if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS])
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printf("\t* TCP connection ran out of tokens\n");
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}
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static int print_event(struct nl_msg *msg, void *arg)
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{
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struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
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struct nlattr *tb[NL80211_ATTR_MAX + 1], *nst;
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struct print_event_args *args = arg;
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char ifname[100];
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char macbuf[6*3];
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__u8 reg_type;
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struct ieee80211_beacon_channel chan_before_beacon, chan_after_beacon;
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__u32 wiphy_idx = 0;
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int rem_nst;
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__u16 status;
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if (args->time || args->reltime) {
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unsigned long long usecs, previous;
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previous = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
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gettimeofday(&args->ts, NULL);
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usecs = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
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if (args->reltime) {
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if (!args->have_ts) {
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usecs = 0;
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args->have_ts = true;
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} else
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usecs -= previous;
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}
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printf("%llu.%06llu: ", usecs/1000000, usecs % 1000000);
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}
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nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
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genlmsg_attrlen(gnlh, 0), NULL);
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if (tb[NL80211_ATTR_IFINDEX] && tb[NL80211_ATTR_WIPHY]) {
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if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname);
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printf("%s (phy #%d): ", ifname, nla_get_u32(tb[NL80211_ATTR_WIPHY]));
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} else if (tb[NL80211_ATTR_WDEV] && tb[NL80211_ATTR_WIPHY]) {
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printf("wdev 0x%llx (phy #%d): ",
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(unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]),
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nla_get_u32(tb[NL80211_ATTR_WIPHY]));
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} else if (tb[NL80211_ATTR_IFINDEX]) {
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if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname);
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printf("%s: ", ifname);
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} else if (tb[NL80211_ATTR_WDEV]) {
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printf("wdev 0x%llx: ", (unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]));
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} else if (tb[NL80211_ATTR_WIPHY]) {
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printf("phy #%d: ", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
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}
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switch (gnlh->cmd) {
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case NL80211_CMD_NEW_WIPHY:
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printf("renamed to %s\n", nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]));
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break;
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case NL80211_CMD_TRIGGER_SCAN:
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printf("scan started\n");
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break;
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case NL80211_CMD_NEW_SCAN_RESULTS:
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printf("scan finished:");
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case NL80211_CMD_SCAN_ABORTED:
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if (gnlh->cmd == NL80211_CMD_SCAN_ABORTED)
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printf("scan aborted:");
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if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
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nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem_nst)
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printf(" %d", nla_get_u32(nst));
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printf(",");
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}
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if (tb[NL80211_ATTR_SCAN_SSIDS]) {
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nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_SSIDS], rem_nst) {
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printf(" \"");
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print_ssid_escaped(nla_len(nst), nla_data(nst));
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printf("\"");
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}
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}
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printf("\n");
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break;
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case NL80211_CMD_START_SCHED_SCAN:
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printf("scheduled scan started\n");
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break;
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case NL80211_CMD_SCHED_SCAN_STOPPED:
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printf("sched scan stopped\n");
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break;
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case NL80211_CMD_SCHED_SCAN_RESULTS:
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printf("got scheduled scan results\n");
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break;
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case NL80211_CMD_REG_CHANGE:
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printf("regulatory domain change: ");
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reg_type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
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switch (reg_type) {
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case NL80211_REGDOM_TYPE_COUNTRY:
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printf("set to %s by %s request",
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nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
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reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
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if (tb[NL80211_ATTR_WIPHY])
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printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
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break;
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case NL80211_REGDOM_TYPE_WORLD:
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printf("set to world roaming by %s request",
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reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
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break;
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case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
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printf("custom world roaming rules in place on phy%d by %s request",
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nla_get_u32(tb[NL80211_ATTR_WIPHY]),
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reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
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break;
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case NL80211_REGDOM_TYPE_INTERSECTION:
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printf("intersection used due to a request made by %s",
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reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
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if (tb[NL80211_ATTR_WIPHY])
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printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
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break;
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default:
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printf("unknown source (upgrade this utility)");
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break;
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}
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printf("\n");
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break;
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case NL80211_CMD_REG_BEACON_HINT:
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wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
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memset(&chan_before_beacon, 0, sizeof(chan_before_beacon));
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memset(&chan_after_beacon, 0, sizeof(chan_after_beacon));
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if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_BEFORE],
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&chan_before_beacon))
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break;
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if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_AFTER],
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&chan_after_beacon))
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break;
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if (chan_before_beacon.center_freq != chan_after_beacon.center_freq)
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break;
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/* A beacon hint is sent _only_ if something _did_ change */
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printf("beacon hint:\n");
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printf("phy%d %d MHz [%d]:\n",
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wiphy_idx,
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chan_before_beacon.center_freq,
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ieee80211_frequency_to_channel(chan_before_beacon.center_freq));
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if (chan_before_beacon.no_ir && !chan_after_beacon.no_ir) {
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if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss)
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printf("\to Initiating radiation enabled\n");
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else
|
|
printf("\to active scan enabled\n");
|
|
} else if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss) {
|
|
printf("\to ibss enabled\n");
|
|
}
|
|
|
|
break;
|
|
case NL80211_CMD_NEW_STATION:
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
printf("new station %s\n", macbuf);
|
|
break;
|
|
case NL80211_CMD_DEL_STATION:
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
printf("del station %s\n", macbuf);
|
|
break;
|
|
case NL80211_CMD_JOIN_IBSS:
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
printf("IBSS %s joined\n", macbuf);
|
|
break;
|
|
case NL80211_CMD_AUTHENTICATE:
|
|
printf("auth");
|
|
if (tb[NL80211_ATTR_FRAME])
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
else if (tb[NL80211_ATTR_TIMED_OUT])
|
|
printf(": timed out");
|
|
else
|
|
printf(": unknown event");
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_ASSOCIATE:
|
|
printf("assoc");
|
|
if (tb[NL80211_ATTR_FRAME])
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
else if (tb[NL80211_ATTR_TIMED_OUT])
|
|
printf(": timed out");
|
|
else
|
|
printf(": unknown event");
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_DEAUTHENTICATE:
|
|
printf("deauth");
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_DISASSOCIATE:
|
|
printf("disassoc");
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_UNPROT_DEAUTHENTICATE:
|
|
printf("unprotected deauth");
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_UNPROT_DISASSOCIATE:
|
|
printf("unprotected disassoc");
|
|
print_frame(args, tb[NL80211_ATTR_FRAME]);
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_CONNECT:
|
|
status = 0;
|
|
if (!tb[NL80211_ATTR_STATUS_CODE])
|
|
printf("unknown connect status");
|
|
else if (nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]) == 0)
|
|
printf("connected");
|
|
else {
|
|
status = nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]);
|
|
printf("failed to connect");
|
|
}
|
|
if (tb[NL80211_ATTR_MAC]) {
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
printf(" to %s", macbuf);
|
|
}
|
|
if (status)
|
|
printf(", status: %d: %s", status, get_status_str(status));
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_ROAM:
|
|
printf("roamed");
|
|
if (tb[NL80211_ATTR_MAC]) {
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
printf(" to %s", macbuf);
|
|
}
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_DISCONNECT:
|
|
printf("disconnected");
|
|
if (tb[NL80211_ATTR_DISCONNECTED_BY_AP])
|
|
printf(" (by AP)");
|
|
else
|
|
printf(" (local request)");
|
|
if (tb[NL80211_ATTR_REASON_CODE])
|
|
printf(" reason: %d: %s", nla_get_u16(tb[NL80211_ATTR_REASON_CODE]),
|
|
get_reason_str(nla_get_u16(tb[NL80211_ATTR_REASON_CODE])));
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_REMAIN_ON_CHANNEL:
|
|
printf("remain on freq %d (%dms, cookie %llx)\n",
|
|
nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
|
|
nla_get_u32(tb[NL80211_ATTR_DURATION]),
|
|
(unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
|
|
break;
|
|
case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
|
|
printf("done with remain on freq %d (cookie %llx)\n",
|
|
nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
|
|
(unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
|
|
break;
|
|
case NL80211_CMD_NOTIFY_CQM:
|
|
parse_cqm_event(tb);
|
|
break;
|
|
case NL80211_CMD_MICHAEL_MIC_FAILURE:
|
|
parse_mic_failure(tb);
|
|
break;
|
|
case NL80211_CMD_FRAME_TX_STATUS:
|
|
printf("mgmt TX status (cookie %llx): %s\n",
|
|
(unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
|
|
tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
|
|
break;
|
|
case NL80211_CMD_PMKSA_CANDIDATE:
|
|
printf("PMKSA candidate found\n");
|
|
break;
|
|
case NL80211_CMD_SET_WOWLAN:
|
|
parse_wowlan_wake_event(tb);
|
|
break;
|
|
case NL80211_CMD_PROBE_CLIENT:
|
|
if (tb[NL80211_ATTR_MAC])
|
|
mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
|
|
else
|
|
strcpy(macbuf, "??");
|
|
printf("probe client %s (cookie %llx): %s\n",
|
|
macbuf,
|
|
(unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
|
|
tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
|
|
break;
|
|
case NL80211_CMD_VENDOR:
|
|
printf("vendor event %.6x:%d\n",
|
|
nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]),
|
|
nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]));
|
|
if (args->frame && tb[NL80211_ATTR_VENDOR_DATA])
|
|
iw_hexdump("vendor event",
|
|
nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
|
|
nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
|
|
break;
|
|
case NL80211_CMD_RADAR_DETECT:
|
|
printf("radar event ");
|
|
if (tb[NL80211_ATTR_RADAR_EVENT]) {
|
|
switch (nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT])) {
|
|
case NL80211_RADAR_DETECTED:
|
|
printf("(radar detected)");
|
|
break;
|
|
case NL80211_RADAR_CAC_FINISHED:
|
|
printf("(cac finished)");
|
|
break;
|
|
case NL80211_RADAR_CAC_ABORTED:
|
|
printf("(cac aborted)");
|
|
break;
|
|
case NL80211_RADAR_NOP_FINISHED:
|
|
printf("(nop finished)");
|
|
break;
|
|
default:
|
|
printf("(unknown)");
|
|
break;
|
|
};
|
|
} else {
|
|
printf("(unknown)");
|
|
}
|
|
printf("\n");
|
|
break;
|
|
case NL80211_CMD_DEL_WIPHY:
|
|
printf("delete wiphy\n");
|
|
break;
|
|
default:
|
|
printf("unknown event %d (%s)\n",
|
|
gnlh->cmd, command_name(gnlh->cmd));
|
|
break;
|
|
}
|
|
|
|
fflush(stdout);
|
|
return NL_SKIP;
|
|
}
|
|
|
|
struct wait_event {
|
|
int n_cmds;
|
|
const __u32 *cmds;
|
|
__u32 cmd;
|
|
struct print_event_args *pargs;
|
|
};
|
|
|
|
static int wait_event(struct nl_msg *msg, void *arg)
|
|
{
|
|
struct wait_event *wait = arg;
|
|
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
|
|
int i;
|
|
|
|
for (i = 0; i < wait->n_cmds; i++) {
|
|
if (gnlh->cmd == wait->cmds[i]) {
|
|
wait->cmd = gnlh->cmd;
|
|
if (wait->pargs)
|
|
print_event(msg, wait->pargs);
|
|
}
|
|
}
|
|
|
|
return NL_SKIP;
|
|
}
|
|
|
|
int __prepare_listen_events(struct nl80211_state *state)
|
|
{
|
|
int mcid, ret;
|
|
|
|
/* Configuration multicast group */
|
|
mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "config");
|
|
if (mcid < 0)
|
|
return mcid;
|
|
|
|
ret = nl_socket_add_membership(state->nl_sock, mcid);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Scan multicast group */
|
|
mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "scan");
|
|
if (mcid >= 0) {
|
|
ret = nl_socket_add_membership(state->nl_sock, mcid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
/* Regulatory multicast group */
|
|
mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "regulatory");
|
|
if (mcid >= 0) {
|
|
ret = nl_socket_add_membership(state->nl_sock, mcid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
/* MLME multicast group */
|
|
mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "mlme");
|
|
if (mcid >= 0) {
|
|
ret = nl_socket_add_membership(state->nl_sock, mcid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "vendor");
|
|
if (mcid >= 0) {
|
|
ret = nl_socket_add_membership(state->nl_sock, mcid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
__u32 __do_listen_events(struct nl80211_state *state,
|
|
const int n_waits, const __u32 *waits,
|
|
struct print_event_args *args)
|
|
{
|
|
struct nl_cb *cb = nl_cb_alloc(iw_debug ? NL_CB_DEBUG : NL_CB_DEFAULT);
|
|
struct wait_event wait_ev;
|
|
|
|
if (!cb) {
|
|
fprintf(stderr, "failed to allocate netlink callbacks\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* no sequence checking for multicast messages */
|
|
nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
|
|
|
|
if (n_waits && waits) {
|
|
wait_ev.cmds = waits;
|
|
wait_ev.n_cmds = n_waits;
|
|
wait_ev.pargs = args;
|
|
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, wait_event, &wait_ev);
|
|
} else
|
|
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_event, args);
|
|
|
|
wait_ev.cmd = 0;
|
|
|
|
while (!wait_ev.cmd)
|
|
nl_recvmsgs(state->nl_sock, cb);
|
|
|
|
nl_cb_put(cb);
|
|
|
|
return wait_ev.cmd;
|
|
}
|
|
|
|
__u32 listen_events(struct nl80211_state *state,
|
|
const int n_waits, const __u32 *waits)
|
|
{
|
|
int ret;
|
|
|
|
ret = __prepare_listen_events(state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return __do_listen_events(state, n_waits, waits, NULL);
|
|
}
|
|
|
|
static int print_events(struct nl80211_state *state,
|
|
struct nl_cb *cb,
|
|
struct nl_msg *msg,
|
|
int argc, char **argv,
|
|
enum id_input id)
|
|
{
|
|
struct print_event_args args;
|
|
int ret;
|
|
|
|
memset(&args, 0, sizeof(args));
|
|
|
|
argc--;
|
|
argv++;
|
|
|
|
while (argc > 0) {
|
|
if (strcmp(argv[0], "-f") == 0)
|
|
args.frame = true;
|
|
else if (strcmp(argv[0], "-t") == 0)
|
|
args.time = true;
|
|
else if (strcmp(argv[0], "-r") == 0)
|
|
args.reltime = true;
|
|
else
|
|
return 1;
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (args.time && args.reltime)
|
|
return 1;
|
|
|
|
if (argc)
|
|
return 1;
|
|
|
|
ret = __prepare_listen_events(state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return __do_listen_events(state, 0, NULL, &args);
|
|
}
|
|
TOPLEVEL(event, "[-t] [-r] [-f]", 0, 0, CIB_NONE, print_events,
|
|
"Monitor events from the kernel.\n"
|
|
"-t - print timestamp\n"
|
|
"-r - print relative timstamp\n"
|
|
"-f - print full frame for auth/assoc etc.");
|