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monitor: Print EAPoL key details

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e.g.

< PAE: len 123
    Interface Index: 9
    EAPoL: len 123
        Version: 2 (802.11X-2004)
        Type: 3 (Key)
        Lenth: 119
        Descriptor Type: 2
        Key MIC: true
        Secure: false
        Error: false
        Request: false
        Encrypted Ket Data: false
        SMK Message: false
        Key Descriptor Version: 1 (01)
        Ket Type: true
        Install: false
        Key ACK: false
        Key Length: 0
        Key Replay Counter: 4
        Key NONCE
            af 38 0d 3a 24 1a f7 09 3e ad b9 6e e6 33 02 8b  .8.:$...>..n.3..
            fa 00 f6 40 71 38 e9 d5 d1 e3 ca 3b c2 16 83 d9  ...@q8.....;....
        Key IV
            00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
        Key RSC
            00 00 00 00 00 00 00 00                          ........
        Key MIC Data
            86 b7 54 45 7c 37 45 c1 31 e7 65 4b 70 c8 43 c0  ..TE|7E.1.eKp.C.
        Key Data: len 24
            dd 16 00 50 f2 01 01 00 00 50 f2 02 01 00 00 50  ...P.....P.....P
            f2 02 01 00 00 50 f2 02                          .....P..
        Vendor Specific: len 22
            Microsoft (00:50:f2)
                WPA:
                    Type: 1
                    Version: 1(0001)
                    Group Data Cipher Suite: len 4
                        TKIP (00:50:f2) suite  02
                    Pairwise Cipher Suite: len 4
                        TKIP (00:50:f2) suite  02
                    AKM Suite: len 4
                        PSK; RSNA PSK (00:50:f2) suite  02
This commit is contained in:
Ravi kumar Veeramally 2015-03-16 14:44:20 +02:00 committed by Denis Kenzior
parent b8cc01eedc
commit 7eac75fa69
1 changed files with 46 additions and 12 deletions
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58
monitor/nlmon.c
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@ -49,6 +49,7 @@
#include "linux/nl80211.h"
#include "src/ie.h"
#include "src/mpdu.h"
#include "src/eapol.h"
#include "src/util.h"
#include "monitor/pcap.h"
#include "monitor/display.h"
@ -3196,8 +3197,7 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
uint8_t type, int index,
const void *data, uint32_t size)
{
uint8_t eapol_ver, eapol_type;
uint16_t eapol_len;
const struct eapol_key *ek;
char extra_str[16];
const char *str;
@ -3213,14 +3213,15 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
if (size < 4)
return;
eapol_ver = *((const uint8_t *) data);
eapol_type = *((const uint8_t *) (data + 1));
eapol_len = L_GET_UNALIGNED((const uint16_t *) (data + 2));
eapol_len = L_BE16_TO_CPU(eapol_len);
ek = eapol_key_validate(data, size);
if (!ek) {
print_hexdump(0, data, size);
return;
}
print_attr(0, "EAPoL: len %u", eapol_len);
print_attr(0, "EAPoL: len %u", size);
switch (eapol_ver) {
switch (ek->protocol_version) {
case 0x01:
str = "802.11X-2001";
break;
@ -3232,9 +3233,9 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
break;
}
print_attr(1, "Version: %s (%u)", str, eapol_ver);
print_attr(1, "Version: %u (%s)", ek->protocol_version, str);
switch (eapol_type) {
switch (ek->packet_type) {
case 0x00:
str = "Packet";
break;
@ -3252,9 +3253,42 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
break;
}
print_attr(1, "Type: %s (%u)", str, eapol_type);
print_attr(1, "Type: %u (%s)", ek->packet_type, str);
print_attr(1, "Lenth: %d", L_BE16_TO_CPU(ek->packet_len));
print_attr(1, "Descriptor Type: %u", ek->descriptor_type);
print_attr(1, "Key MIC: %s", ek->key_mic ? "true" : "false");
print_attr(1, "Secure: %s", ek->secure ? "true" : "false");
print_attr(1, "Error: %s", ek->error ? "true" : "false");
print_attr(1, "Request: %s", ek->request ? "true" : "false");
print_attr(1, "Encrypted Ket Data: %s",
ek->encrypted_key_data ? "true" : "false");
print_attr(1, "SMK Message: %s", ek->smk_message ? "true" : "false");
print_attr(1, "Key Descriptor Version: %d (%02x)",
ek->key_descriptor_version,
ek->key_descriptor_version);
print_attr(1, "Ket Type: %s", ek->key_type ? "true" : "false");
print_attr(1, "Install: %s", ek->install ? "true" : "false");
print_attr(1, "Key ACK: %s", ek->key_ack ? "true" : "false");
print_attr(1, "Key Length: %d", L_BE16_TO_CPU(ek->key_length));
print_attr(1, "Key Replay Counter: %ld",
L_BE64_TO_CPU(ek->key_replay_counter));
print_attr(1, "Key NONCE");
print_hexdump(2, ek->key_nonce, 32);
print_attr(1, "Key IV");
print_hexdump(2, ek->eapol_key_iv, 16);
print_attr(1, "Key RSC ");
print_hexdump(2, ek->key_rsc, 8);
print_attr(1, "Key MIC Data");
print_hexdump(2, ek->key_mic_data, 16);
print_attr(1, "Key Data: len %d", L_BE16_TO_CPU(ek->key_data_len));
print_hexdump(2, ek->key_data, L_BE16_TO_CPU(ek->key_data_len));
print_hexdump(1, data + 4, size - 4);
if (ek->key_data[0] == IE_TYPE_RSN)
print_ie_vendor(1, "RSN", ek->key_data + 2,
L_BE16_TO_CPU(ek->key_data_len) - 2);
else if (ek->key_data[0] == IE_TYPE_VENDOR_SPECIFIC)
print_ie_vendor(1, "Vendor Specific", ek->key_data + 2,
L_BE16_TO_CPU(ek->key_data_len) - 2);
}
static bool pae_receive(struct l_io *io, void *user_data)