From 5cff5e01e818029a5d2c3c31b7ae5e5e7ee70452 Mon Sep 17 00:00:00 2001 From: Javier Cardona Date: Thu, 7 Apr 2011 15:08:29 -0700 Subject: [PATCH] mac80211: ignore peers if security is enabled for this mesh Signed-off-by: Javier Cardona Signed-off-by: John W. Linville --- net/mac80211/cfg.c | 1 + net/mac80211/ieee80211_i.h | 1 + net/mac80211/mesh.c | 4 ++++ net/mac80211/mesh_plink.c | 4 ++++ net/wireless/mesh.c | 1 + 5 files changed, 11 insertions(+) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index d9428afd8bf6..dc623d884d02 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1053,6 +1053,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); ifmsh->mesh_pp_id = setup->path_sel_proto; ifmsh->mesh_pm_id = setup->path_metric; + ifmsh->is_secure = setup->is_secure; return 0; } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 6450100594ba..8d6d6e3d95da 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -490,6 +490,7 @@ struct ieee80211_if_mesh { bool accepting_plinks; const u8 *ie; u8 ie_len; + bool is_secure; }; #ifdef CONFIG_MAC80211_MESH diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 1c244c0c7664..47a26c0f6993 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -573,6 +573,10 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen, &elems); + /* ignore beacons from secure mesh peers if our security is off */ + if (elems.rsn_len && !sdata->u.mesh.is_secure) + return; + if (elems.ds_params && elems.ds_params_len == 1) freq = ieee80211_channel_to_frequency(elems.ds_params[0], band); else diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index c705b20e1acb..bafe25594e09 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -449,6 +449,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m mpl_dbg("Mesh plink: missing necessary peer link ie\n"); return; } + if (elems.rsn_len && !sdata->u.mesh.is_secure) { + mpl_dbg("Mesh plink: can't establish link with secure peer\n"); + return; + } ftype = mgmt->u.action.u.plink_action.action_code; ie_len = elems.peer_link_len; diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 0e5c122ce324..e0226e8265a3 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -55,6 +55,7 @@ const struct mesh_setup default_mesh_setup = { .path_metric = IEEE80211_PATH_METRIC_AIRTIME, .ie = NULL, .ie_len = 0, + .is_secure = false, }; int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, -- 2.30.2