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ie: Decode RSNE Capabilities field

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This commit is contained in:
Denis Kenzior 2015-01-15 23:58:02 -06:00
parent e90ca652fd
commit 02170b200f
1 changed files with 18 additions and 0 deletions
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18
src/ie.c
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@ -26,6 +26,7 @@
#include <errno.h> #include <errno.h>
#include <ell/ell.h> #include <ell/ell.h>
#include "util.h"
#include "ie.h" #include "ie.h"
@ -416,6 +417,23 @@ int ie_parse_rsne(struct ie_tlv_iter *iter, struct ie_rsn_info *out_info)
RSNE_ADVANCE(data, len, count * 4); RSNE_ADVANCE(data, len, count * 4);
if (len < 2)
return -EBADMSG;
info.preauthentication = util_is_bit_set(data[0], 0);
info.no_pairwise = util_is_bit_set(data[0], 1);
info.ptksa_replay_counter = util_bit_field(data[0], 2, 2);
info.gtksa_replay_counter = util_bit_field(data[0], 4, 2);
info.mfpr = util_is_bit_set(data[0], 6);
info.mfpc = util_is_bit_set(data[0], 7);
info.peerkey_enabled = util_is_bit_set(data[1], 1);
info.spp_a_msdu_capable = util_is_bit_set(data[1], 2);
info.spp_a_msdu_required = util_is_bit_set(data[1], 3);
info.pbac = util_is_bit_set(data[1], 4);
info.extended_key_id = util_is_bit_set(data[1], 5);
RSNE_ADVANCE(data, len, 2);
done: done:
if (out_info) if (out_info)
memcpy(out_info, &info, sizeof(info)); memcpy(out_info, &info, sizeof(info));