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| author | Jouni Malinen <jouni@qca.qualcomm.com> | 2012-05-08 17:34:19 +0300 |
|---|---|---|
| committer | Jouni Malinen <j@w1.fi> | 2012-05-08 17:38:57 +0300 |
| commit | 051c7bbdd00ba413a6876651f8dbdc9df26b733a (patch) | |
| tree | e26fddbeaf449df1971ef9a01a31bd63666fa7e6 /src/p2p | |
| parent | 6f251b6bb504176bc9086cde3a1bbe744d15bce8 (diff) | |
| download | external_wpa_supplicant_8_ti-051c7bbdd00ba413a6876651f8dbdc9df26b733a.zip external_wpa_supplicant_8_ti-051c7bbdd00ba413a6876651f8dbdc9df26b733a.tar.gz external_wpa_supplicant_8_ti-051c7bbdd00ba413a6876651f8dbdc9df26b733a.tar.bz2 | |
P2P: Reject PD Request for unknown group
If PD Request includes P2P Group ID, verify that the specified
group matches with a group we are currently operating. If no match
is found, reject the PD Request for join-a-group case.
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Diffstat (limited to 'src/p2p')
| -rw-r--r-- | src/p2p/p2p_pd.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/p2p/p2p_pd.c b/src/p2p/p2p_pd.c index 2985e5a..6e251c5 100644 --- a/src/p2p/p2p_pd.c +++ b/src/p2p/p2p_pd.c @@ -126,6 +126,21 @@ void p2p_process_prov_disc_req(struct p2p_data *p2p, const u8 *sa, goto out; } + if (msg.group_id) { + size_t i; + for (i = 0; i < p2p->num_groups; i++) { + if (p2p_group_is_group_id_match(p2p->groups[i], + msg.group_id, + msg.group_id_len)) + break; + } + if (i == p2p->num_groups) { + wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: PD " + "request for unknown P2P Group ID - reject"); + goto out; + } + } + if (dev) dev->flags &= ~(P2P_DEV_PD_PEER_DISPLAY | P2P_DEV_PD_PEER_KEYPAD); |