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wiphy: Parse ciphers supported by the phy

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This commit is contained in:
Denis Kenzior 2015-04-17 13:02:32 -05:00
parent 431cadb7aa
commit a28f3fa3ec
1 changed files with 48 additions and 0 deletions
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48
src/wiphy.c
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@ -96,6 +96,7 @@ struct wiphy {
uint32_t feature_flags; uint32_t feature_flags;
struct l_queue *netdev_list; struct l_queue *netdev_list;
bool support_scheduled_scan:1; bool support_scheduled_scan:1;
uint16_t pairwise_ciphers;
}; };
static struct l_queue *wiphy_list = NULL; static struct l_queue *wiphy_list = NULL;
@ -1740,6 +1741,45 @@ static void parse_supported_commands(struct wiphy *wiphy,
} }
} }
static void parse_supported_ciphers(struct wiphy *wiphy, const void *data,
uint16_t len)
{
bool s;
while (len >= 4) {
uint32_t cipher = *(uint32_t *)data;
switch (cipher) {
case CRYPTO_CIPHER_CCMP:
wiphy->pairwise_ciphers |= IE_RSN_CIPHER_SUITE_CCMP;
break;
case CRYPTO_CIPHER_TKIP:
wiphy->pairwise_ciphers |= IE_RSN_CIPHER_SUITE_TKIP;
break;
case CRYPTO_CIPHER_WEP40:
wiphy->pairwise_ciphers |= IE_RSN_CIPHER_SUITE_WEP40;
break;
case CRYPTO_CIPHER_WEP104:
wiphy->pairwise_ciphers |= IE_RSN_CIPHER_SUITE_WEP104;
break;
case CRYPTO_CIPHER_BIP:
wiphy->pairwise_ciphers |= IE_RSN_CIPHER_SUITE_BIP;
break;
default: /* TODO: Support other ciphers */
break;
}
len -= 4;
data += 4;
}
s = wiphy->pairwise_ciphers & IE_RSN_CIPHER_SUITE_CCMP;
l_info("Wiphy supports CCMP: %s", s ? "true" : "false");
s = wiphy->pairwise_ciphers & IE_RSN_CIPHER_SUITE_TKIP;
l_info("Wiphy supports TKIP: %s", s ? "true" : "false");
}
static void wiphy_dump_callback(struct l_genl_msg *msg, void *user_data) static void wiphy_dump_callback(struct l_genl_msg *msg, void *user_data)
{ {
struct wiphy *wiphy = NULL; struct wiphy *wiphy = NULL;
@ -1823,6 +1863,14 @@ static void wiphy_dump_callback(struct l_genl_msg *msg, void *user_data)
parse_supported_commands(wiphy, &nested); parse_supported_commands(wiphy, &nested);
break; break;
case NL80211_ATTR_CIPHER_SUITES:
if (!wiphy) {
l_warn("No wiphy structure found");
return;
}
parse_supported_ciphers(wiphy, data, len);
break;
} }
} }
} }