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monitor: Print vendor specific data with more details

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Currently it supports Microsoft specific data which has type
and vesion value 1.

e.g.
Vendor specific: len 22
    Microsoft (00:50:f2)
        WPA:
            Type: 1
            Version: 1(0001)
            Group Data Cipher Suite: len 4
                TKIP (00:50:f2) suite  02
            Pairwise Cipher Suite: len 4
                TKIP (00:50:f2) suite  02
            AKM Suite: len 4
                IEEE 802.1X/PMKSA; RSNA/PMKSA caching (00:50:f2) suite  01
This commit is contained in:
Ravi kumar Veeramally 2015-03-12 14:53:43 +02:00 committed by Denis Kenzior
parent 56c4dc1a8c
commit b8cc01eedc
1 changed files with 106 additions and 29 deletions
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135
monitor/nlmon.c
View File

@ -336,35 +336,6 @@ static void print_ie_error(unsigned int level, const char *label,
strerror(-err), err);
}
static void print_ie_vendor(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const uint8_t *oui = data;
const char *str = NULL;
unsigned int i;
print_attr(level, "%s: len %u", label, size);
if (size < 3) {
print_hexdump(level + 1, data, size);
return;
}
for (i = 0; oui_table[i].str; i++) {
if (!memcmp(oui_table[i].oui, oui, 3)) {
str = oui_table[i].str;
break;
}
}
if (str)
print_attr(level + 1, "%s (%02x:%02x:%02x)", str,
oui[0], oui[1], oui[2]);
else
print_attr(level + 1, "%02x:%02x:%02x",
oui[0], oui[1], oui[2]);
}
static void print_ie_ssid(unsigned int level, const char *label,
const void *data, uint16_t size)
{
@ -594,6 +565,21 @@ static const struct cipher_suites rsn_akm_selectors[] = {
{ }
};
static const struct cipher_suites wpa_cipher_selectors[] = {
{ 0x0050f200, "Use group cipher suite" },
{ 0x0050f201, "WEP-40" },
{ 0x0050f202, "TKIP" },
{ 0x0050f204, "CCMP" },
{ 0x0050f205, "WEP-104" },
{ },
};
static const struct cipher_suites wpa_akm_selectors[] = {
{ 0x0050f201, "IEEE 802.1X/PMKSA; RSNA/PMKSA caching" },
{ 0x0050f202, "PSK; RSNA PSK" },
{ }
};
static void print_ie_cipher_suite(unsigned int level, const char *label,
const uint32_t cipher,
const struct cipher_suites cipher_table[])
@ -825,6 +811,97 @@ end:
print_ie_error(level, label, size, -EINVAL);
}
static void print_ie_wpa(unsigned int level, const char *label,
const void *data, uint16_t size)
{
uint8_t type, offset;
uint16_t version, count;
if (size < 3)
return;
offset = 0;
type = *((uint8_t *)data);
offset++;
version = l_get_le16(data + offset);
offset += 2;
if (!(type == 1 && version == 1))
return;
print_attr(level, "WPA:");
print_attr(level + 1, "Type: %d", type);
print_attr(level + 1, "Version: %d(%04x)", version, version);
if (offset + 4 > size)
goto end;
print_ie_cipher_suites(level + 1, "Group Data Cipher Suite",
data + offset, 4, wpa_cipher_selectors);
offset += 4;
if (offset + 2 > size)
goto end;
count = l_get_le16(data + offset) * 4;
offset += 2;
if (offset + count > size)
goto end;
print_ie_cipher_suites(level + 1, "Pairwise Cipher Suite",
data + offset, count, wpa_cipher_selectors);
offset += count;
if (offset + 2 > size)
goto end;
count = l_get_le16(data + offset) * 4;
offset += 2;
if (offset + count > size)
goto end;
print_ie_cipher_suites(level + 1, "AKM Suite", data + offset, count,
wpa_akm_selectors);
return;
end:
print_ie_error(level, label, size, -EINVAL);
}
static void print_ie_vendor(unsigned int level, const char *label,
const void *data, uint16_t size)
{
const uint8_t *oui = data;
const char *str = NULL;
unsigned int i;
print_attr(level, "%s: len %u", label, size);
if (size < 3)
return;
for (i = 0; oui_table[i].str; i++) {
if (!memcmp(oui_table[i].oui, oui, 3)) {
str = oui_table[i].str;
break;
}
}
if (!str) {
print_attr(level + 1, "OUI: %02x:%02x:%02x",
oui[0], oui[1], oui[2]);
return;
}
print_attr(level + 1, "%s (%02x:%02x:%02x)", str,
oui[0], oui[1], oui[2]);
if (!strcmp(str, "Microsoft")) {
print_ie_wpa(level + 2, label, data + 3, size - 3);
return;
}
}
static struct attr_entry ie_entry[] = {
{IE_TYPE_SSID, "SSID",
ATTR_CUSTOM, { .function = print_ie_ssid } },