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| author | Johannes Berg <johannes.berg@intel.com> | 2016-09-13 14:10:02 (GMT) |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-09-13 18:20:52 (GMT) |
| commit | 386b1f273850380a1887044673922843736c6d0a (patch) | |
| tree | 7577832e5cf40171c289d05f41b36a55ba154074 | |
| parent | 42ee231cd12c2e1eb015163d04a65950e895d4b7 (diff) | |
| download | linux-386b1f273850380a1887044673922843736c6d0a.tar.xz | |
nl80211: only allow WEP keys during connect command
This was already documented that way in nl80211.h, but the
parsing code still accepted other key types. Change it to
really only accept WEP keys as documented.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/wireless/nl80211.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 524f5d2..6cb33ae 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -881,16 +881,19 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, parse.idx, false, NULL); if (err) goto error; + if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && + parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { + err = -EINVAL; + goto error; + } result->params[parse.idx].cipher = parse.p.cipher; result->params[parse.idx].key_len = parse.p.key_len; result->params[parse.idx].key = result->data[parse.idx]; memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); - if (parse.p.cipher == WLAN_CIPHER_SUITE_WEP40 || - parse.p.cipher == WLAN_CIPHER_SUITE_WEP104) { - if (no_ht) - *no_ht = true; - } + /* must be WEP key if we got here */ + if (no_ht) + *no_ht = true; } return result; |