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monitor: indicate if the MPDU was invalid

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If the frame was not parsed as an MPDU indicate this in iwmon. This
also adds handling to print probe requests.
This commit is contained in:
James Prestwood 2024-01-02 05:03:55 -08:00 committed by Denis Kenzior
parent cfb468e44d
commit a2fff11823
1 changed files with 34 additions and 9 deletions
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35
monitor/nlmon.c
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@ -5127,6 +5127,16 @@ static void print_probe_response(unsigned int level,
(const uint8_t *) mmpdu + len - resp->ies); (const uint8_t *) mmpdu + len - resp->ies);
} }
static void print_probe_request(unsigned int level,
const struct mmpdu_header *mmpdu, size_t len)
{
const struct mmpdu_probe_request *req = mmpdu_body(mmpdu);
print_attr(level, "Subtype: Probe Request");
print_ie(level + 1, "Probe Request IEs", req->ies,
(const uint8_t *) mmpdu + len - req->ies);
}
static void print_beacon(unsigned int level, static void print_beacon(unsigned int level,
const struct mmpdu_header *mmpdu, size_t len) const struct mmpdu_header *mmpdu, size_t len)
{ {
@ -5164,7 +5174,10 @@ static void print_frame_type(unsigned int level, const char *label,
switch (subtype) { switch (subtype) {
case 0x00: case 0x00:
if (mpdu)
str = "Association request"; str = "Association request";
else
str = "Association request (invalid MPDU)";
break; break;
case 0x01: case 0x01:
if (mpdu) if (mpdu)
@ -5173,19 +5186,28 @@ static void print_frame_type(unsigned int level, const char *label,
str = "Association response"; str = "Association response";
break; break;
case 0x02: case 0x02:
if (mpdu)
str = "Reassociation request"; str = "Reassociation request";
else
str = "Reassociation request (invalid MPDU)";
break; break;
case 0x03: case 0x03:
if (mpdu)
str = "Reassociation response"; str = "Reassociation response";
else
str = "Reassociation response (invalid MPDU)";
break; break;
case 0x04: case 0x04:
str = "Probe request"; if (mpdu)
print_probe_request(level + 1, mpdu, size);
else
str = "Probe request (invalid MPDU)";
break; break;
case 0x05: case 0x05:
if (mpdu) if (mpdu)
print_probe_response(level + 1, mpdu, size); print_probe_response(level + 1, mpdu, size);
else else
str = "Probe response"; str = "Probe response (invalid MPDU)";
break; break;
case 0x06: case 0x06:
str = "Timing Advertisement"; str = "Timing Advertisement";
@ -5194,25 +5216,28 @@ static void print_frame_type(unsigned int level, const char *label,
if (mpdu) if (mpdu)
print_beacon(level + 1, mpdu, size); print_beacon(level + 1, mpdu, size);
else else
str = "Beacon"; str = "Beacon (invalid MPDU)";
break; break;
case 0x09: case 0x09:
str = "ATIM"; str = "ATIM";
break; break;
case 0x0a: case 0x0a:
if (mpdu)
str = "Disassociation"; str = "Disassociation";
else
str = "Disassociation (invalid MPDU)";
break; break;
case 0x0b: case 0x0b:
if (mpdu) if (mpdu)
print_authentication_mgmt_frame(level + 1, mpdu, size); print_authentication_mgmt_frame(level + 1, mpdu, size);
else else
str = "Authentication"; str = "Authentication (invalid MPDU)";
break; break;
case 0x0c: case 0x0c:
if (mpdu) if (mpdu)
print_deauthentication_mgmt_frame(level + 1, mpdu); print_deauthentication_mgmt_frame(level + 1, mpdu);
else else
str = "Deauthentication"; str = "Deauthentication (invalid MPDU)";
break; break;
case 0x0d: case 0x0d:
case 0x0e: case 0x0e: