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iwmon: add support for new key format

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The kernel has two ways SET_KEY/NEW_KEY messages can be structured.
This implements parsers for the new key format.
This commit is contained in:
James Prestwood 2021-10-04 09:48:51 -07:00 committed by Denis Kenzior
parent 9766426b59
commit 1cd3cd2eb9
1 changed files with 71 additions and 1 deletions
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72
monitor/nlmon.c
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@ -5863,6 +5863,76 @@ static void print_scan_flags(unsigned int level, const char *label,
} }
} }
static void print_key_type(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const uint8_t *ptr = data;
const char *str;
switch (*ptr) {
case NL80211_KEYTYPE_GROUP:
str = "Group";
break;
case NL80211_KEYTYPE_PAIRWISE:
str = "Pairwise";
break;
case NL80211_KEYTYPE_PEERKEY:
str = "Peerkey";
break;
default:
str = "Unknown";
}
print_attr(level, "%s: %s", label, str);
}
static void print_key_mode(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const uint8_t *ptr = data;
const char *str;
switch (*ptr) {
case NL80211_KEY_RX_TX:
str = "RX/TX";
break;
case NL80211_KEY_NO_TX:
str = "RX Only";
break;
case NL80211_KEY_SET_TX:
str = "Set TX";
break;
default:
str = "Unknown";
}
print_attr(level, "%s: %s", label, str);
}
static const struct attr_entry default_key_type_table[] = {
{ NL80211_KEY_DEFAULT_TYPE_UNICAST, "Unicast", ATTR_FLAG },
{ NL80211_KEY_DEFAULT_TYPE_MULTICAST, "Multicast", ATTR_FLAG },
{ }
};
static const struct attr_entry key_table[] = {
{ NL80211_KEY_DATA, "Key Data", ATTR_BINARY },
{ NL80211_KEY_IDX, "Key Index", ATTR_U8 },
{ NL80211_KEY_CIPHER, "Key Cipher", ATTR_CUSTOM,
{ .function = print_cipher_suite } },
{ NL80211_KEY_SEQ, "Key Sequence", ATTR_BINARY },
{ NL80211_KEY_DEFAULT, "Default", ATTR_FLAG },
{ NL80211_KEY_DEFAULT_MGMT, "Default Management", ATTR_FLAG },
{ NL80211_KEY_TYPE, "Key Type", ATTR_CUSTOM,
{ .function = print_key_type} },
{ NL80211_KEY_DEFAULT_TYPES, "Default Key Types", ATTR_NESTED,
{ default_key_type_table } },
{ NL80211_KEY_MODE, "Key Mode", ATTR_CUSTOM,
{ .function = print_key_mode } },
{ NL80211_KEY_DEFAULT_BEACON, "Default Beacon", ATTR_FLAG },
{ }
};
static const struct attr_entry attr_table[] = { static const struct attr_entry attr_table[] = {
{ NL80211_ATTR_WIPHY, { NL80211_ATTR_WIPHY,
"Wiphy", ATTR_U32 }, "Wiphy", ATTR_U32 },
@ -6038,7 +6108,7 @@ static const struct attr_entry attr_table[] = {
{ NL80211_ATTR_PREV_BSSID, { NL80211_ATTR_PREV_BSSID,
"Previous BSSID", ATTR_ADDRESS }, "Previous BSSID", ATTR_ADDRESS },
{ NL80211_ATTR_KEY, { NL80211_ATTR_KEY,
"Key" }, "Key", ATTR_NESTED, { key_table } },
{ NL80211_ATTR_KEYS, { NL80211_ATTR_KEYS,
"Keys" }, "Keys" },
{ NL80211_ATTR_PID, { NL80211_ATTR_PID,