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iwd
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monitor: pretty-print eap-wsc packets

This commit is contained in:
Denis Kenzior 2016-09-14 20:27:33 -05:00
parent 15ac5c3f38
commit 1447c7fe03
1 changed files with 113 additions and 0 deletions
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113
monitor/nlmon.c
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@ -4761,6 +4761,117 @@ static struct l_io *open_packet(const char *name)
return io;
}
static void print_eap_wsc(const uint8_t *eap_wsc, uint32_t size)
{
const char *str;
if (size < 2)
return;
switch (eap_wsc[0]) {
case 0x01:
str = "WSC-Start";
break;
case 0x02:
str = "WSC-Ack";
break;
case 0x03:
str = "WSC-Nack";
break;
case 0x04:
str = "WSC-Msg";
break;
case 0x05:
str = "WSC-Done";
break;
case 0x06:
str = "WSC-Frag-Ack";
break;
default:
str = "Reserved";
break;
}
print_attr(1, "Op-Code: %u (%s)", eap_wsc[0], str);
print_attr(1, "Flags: %02x", eap_wsc[1]);
if (eap_wsc[1] == 0)
print_wsc_attributes(2, "EAP-WSC Payload",
eap_wsc + 2, size - 2);
}
static void print_eap(const void *data, uint32_t size)
{
static const uint8_t wfa_smi[3] = { 0x00, 0x37, 0x2a };
const uint8_t *eap = data;
const char *str;
if (size < 5)
return;
switch (eap[0]) {
case 0x01:
str = "Request";
break;
case 0x02:
str = "Response";
break;
case 0x03:
str = "Success";
break;
case 0x04:
str = "Failure";
break;
default:
str = "Reserved";
break;
};
print_attr(1, "Code: %u (%s)", eap[0], str);
print_attr(1, "Identifier: %u", eap[1]);
print_attr(1, "Length: %u", l_get_be16(eap + 2));
switch (eap[4]) {
case 1:
str = "Identity";
break;
case 2:
str = "Notification";
break;
case 3:
str = "Nak";
break;
case 4:
str = "MD5 Challenge";
break;
case 13:
str = "TLS EAP";
break;
case 21:
str = "TTLS";
break;
case 254:
str = "Expanded";
break;
default:
str = "Reserved";
break;
}
print_attr(1, "Type: %u (%s)", eap[4], str);
if (eap[4] == 254) {
if (size < 12)
return;
if (memcmp(eap + 5, wfa_smi, 3))
return;
if (l_get_be32(eap + 8) == 1)
print_eap_wsc(eap + 12, size - 12);
}
}
void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
uint8_t type, int index,
const void *data, uint32_t size)
@ -4843,6 +4954,8 @@ void nlmon_print_pae(struct nlmon *nlmon, const struct timeval *tv,
case 0x03:
print_eapol_key(data, size);
break;
case 0x00:
print_eap(data + 4, size - 4);
}
}