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monitor: Show IP Allocation KDEs from EAPoL-Key 2/4, 3/4 frames

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Andrew Zaborowski 2019-07-08 18:59:49 +02:00 committed by Denis Kenzior
parent 6618ad1fee
commit 6081438564
1 changed files with 20 additions and 0 deletions
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20
monitor/nlmon.c
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@ -981,6 +981,13 @@ static bool print_oui(unsigned int level, const uint8_t *oui)
return true;
}
static void print_ipv4(unsigned int level, const char *label,
const uint8_t *addr)
{
print_attr(level, "%s: %u.%u.%u.%u", label,
addr[0], addr[1], addr[2], addr[3]);
}
static void print_ie_vendor(unsigned int level, const char *label,
const void *data, uint16_t size)
{
@ -1010,6 +1017,19 @@ static void print_ie_vendor(unsigned int level, const char *label,
}
} else if (!memcmp(oui, wfa_oui, 3)) {
switch (oui[3]) {
case 0x04:
print_attr(level + 1, "IP Address Request KDE");
return;
case 0x05:
print_attr(level + 1, "IP Address Allocation KDE");
if (size < 12)
return;
print_ipv4(level + 2, "Client IP Address", data + 0);
print_ipv4(level + 2, "Subnet Mask", data + 4);
print_ipv4(level + 2, "GO IP Address", data + 8);
return;
case 0x10:
print_ie_wfa_hs20(level + 1, label, data, size);
return;