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monitor: Show Action frame types

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Andrew Zaborowski 2019-07-08 18:59:46 +02:00 committed by Denis Kenzior
parent 6c8b4d13f0
commit 8eb1fbecce
1 changed files with 84 additions and 15 deletions
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99
monitor/nlmon.c
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@ -956,21 +956,11 @@ static void print_ie_wfa_hs20(unsigned int level, const char *label,
}
}
static void print_ie_vendor(unsigned int level, const char *label,
const void *data, uint16_t size)
static bool print_oui(unsigned int level, const uint8_t *oui)
{
static const unsigned char msoft_oui[3] = { 0x00, 0x50, 0xf2 };
static const unsigned char wfa_oui[3] = { 0x50, 0x6f, 0x9a };
static const unsigned char ieee80211_oui[3] = { 0x00, 0x0f, 0xac };
const uint8_t *oui = data;
const char *str = NULL;
unsigned int i;
print_attr(level, "%s: len %u", label, size);
if (size < 4)
return;
for (i = 0; oui_table[i].str; i++) {
if (!memcmp(oui_table[i].oui, oui, 3)) {
str = oui_table[i].str;
@ -982,12 +972,30 @@ static void print_ie_vendor(unsigned int level, const char *label,
print_attr(level + 1, "OUI: %02x:%02x:%02x type:%02x",
oui[0], oui[1], oui[2],
oui[3]);
return;
return false;
}
print_attr(level + 1, "%s (%02x:%02x:%02x) type: %02x", str,
oui[0], oui[1], oui[2],
oui[3]);
return true;
}
static void print_ie_vendor(unsigned int level, const char *label,
const void *data, uint16_t size)
{
static const unsigned char msoft_oui[3] = { 0x00, 0x50, 0xf2 };
static const unsigned char wfa_oui[3] = { 0x50, 0x6f, 0x9a };
static const unsigned char ieee80211_oui[3] = { 0x00, 0x0f, 0xac };
const uint8_t *oui = data;
print_attr(level, "%s: len %u", label, size);
if (size < 4)
return;
if (!print_oui(level, oui))
return;
data += 4;
size -= 4;
@ -2943,6 +2951,63 @@ static void print_deauthentication_mgmt_frame(unsigned int level,
L_LE16_TO_CPU(body->reason_code));
}
static void print_action_mgmt_frame(unsigned int level,
const struct mmpdu_header *mmpdu,
size_t total_len, bool no_ack)
{
const uint8_t *body;
size_t body_len;
const char *category;
/* 802.11-2016, Table 9-47 */
static const char *category_table[] = {
[0] = "Sepctrum Management",
[1] = "QoS",
[2] = "DLS",
[3] = "Block Ack",
[4] = "Public",
[5] = "Radio Measurement",
[6] = "Fast BSS Transition",
[7] = "HT",
[8] = "SA Query",
[9] = "Protected Dual of Public Action",
[10] = "WNM",
[11] = "Unprotected WNM",
[12] = "TDLS",
[13] = "Mesh",
[14] = "Multihop",
[15] = "Self-protected",
[16] = "DMG",
[18] = "Fast Session Transfer",
[19] = "Robust AV Streaming",
[20] = "Unprotected DMG",
[21] = "VHT",
[126] = "Vendor-specific Protected",
[127] = "Vendor-specific",
[128 ... 255] = "Error",
};
body = mmpdu_body(mmpdu);
body_len = total_len - (body - (uint8_t *) mmpdu);
if (category_table[body[0]])
category = category_table[body[0]];
else
category = "Unknown";
print_attr(level, "Subtype: Action%s", no_ack ? " No Ack" : "");
print_attr(level, "Action Category: %s (%u)", category, body[0]);
if ((body[0] == 126 || body[0] == 127) && body_len >= 5) {
const uint8_t *oui = body + 1;
print_oui(level, oui);
}
print_mpdu_frame_control(level + 1, &mmpdu->fc);
print_mmpdu_header(level + 1, mmpdu);
}
static void print_frame_type(unsigned int level, const char *label,
const void *data, uint16_t size)
{
@ -3012,10 +3077,14 @@ static void print_frame_type(unsigned int level, const char *label,
str = "Deauthentication";
break;
case 0x0d:
str = "Action";
break;
case 0x0e:
str = "Action No Ack";
if (mpdu)
print_action_mgmt_frame(level + 1, mpdu, size,
subtype == 0x0e);
else if (subtype == 0x0d)
str = "Action";
else
str = "Action No Ack";
break;
default:
str = "Reserved";