diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c034c2418cb3..9e1318d1d4bb 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -111,6 +111,11 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { .len = IEEE80211_MAX_DATA_LEN }, [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, + + [NL80211_ATTR_SSID] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_SSID_LEN }, + [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, + [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, }; /* message building helper */ @@ -265,6 +270,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, CMD(set_mesh_params, SET_MESH_PARAMS); CMD(change_bss, SET_BSS); CMD(set_mgmt_extra_ie, SET_MGMT_EXTRA_IE); + CMD(auth, AUTHENTICATE); + CMD(assoc, ASSOCIATE); + CMD(deauth, DEAUTHENTICATE); + CMD(disassoc, DISASSOCIATE); #undef CMD nla_nest_end(msg, nl_cmds); @@ -2646,6 +2655,228 @@ static int nl80211_dump_scan(struct sk_buff *skb, return err; } +static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + struct net_device *dev; + struct cfg80211_auth_request req; + struct wiphy *wiphy; + int err; + + rtnl_lock(); + + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); + if (err) + goto unlock_rtnl; + + if (!drv->ops->auth) { + err = -EOPNOTSUPP; + goto out; + } + + if (!info->attrs[NL80211_ATTR_MAC]) { + err = -EINVAL; + goto out; + } + + wiphy = &drv->wiphy; + memset(&req, 0, sizeof(req)); + + req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { + req.chan = ieee80211_get_channel( + wiphy, + nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); + if (!req.chan) { + err = -EINVAL; + goto out; + } + } + + if (info->attrs[NL80211_ATTR_SSID]) { + req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); + req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); + } + + if (info->attrs[NL80211_ATTR_IE]) { + req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); + req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } + + if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { + req.auth_type = + nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); + } + + err = drv->ops->auth(&drv->wiphy, dev, &req); + +out: + cfg80211_put_dev(drv); + dev_put(dev); +unlock_rtnl: + rtnl_unlock(); + return err; +} + +static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + struct net_device *dev; + struct cfg80211_assoc_request req; + struct wiphy *wiphy; + int err; + + rtnl_lock(); + + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); + if (err) + goto unlock_rtnl; + + if (!drv->ops->assoc) { + err = -EOPNOTSUPP; + goto out; + } + + if (!info->attrs[NL80211_ATTR_MAC] || + !info->attrs[NL80211_ATTR_SSID]) { + err = -EINVAL; + goto out; + } + + wiphy = &drv->wiphy; + memset(&req, 0, sizeof(req)); + + req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { + req.chan = ieee80211_get_channel( + wiphy, + nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); + if (!req.chan) { + err = -EINVAL; + goto out; + } + } + + if (nla_len(info->attrs[NL80211_ATTR_SSID]) > IEEE80211_MAX_SSID_LEN) { + err = -EINVAL; + goto out; + } + req.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); + req.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); + + if (info->attrs[NL80211_ATTR_IE]) { + req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); + req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } + + err = drv->ops->assoc(&drv->wiphy, dev, &req); + +out: + cfg80211_put_dev(drv); + dev_put(dev); +unlock_rtnl: + rtnl_unlock(); + return err; +} + +static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + struct net_device *dev; + struct cfg80211_deauth_request req; + struct wiphy *wiphy; + int err; + + rtnl_lock(); + + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); + if (err) + goto unlock_rtnl; + + if (!drv->ops->deauth) { + err = -EOPNOTSUPP; + goto out; + } + + if (!info->attrs[NL80211_ATTR_MAC]) { + err = -EINVAL; + goto out; + } + + wiphy = &drv->wiphy; + memset(&req, 0, sizeof(req)); + + req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_REASON_CODE]) + req.reason_code = + nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); + + if (info->attrs[NL80211_ATTR_IE]) { + req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); + req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } + + err = drv->ops->deauth(&drv->wiphy, dev, &req); + +out: + cfg80211_put_dev(drv); + dev_put(dev); +unlock_rtnl: + rtnl_unlock(); + return err; +} + +static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + struct net_device *dev; + struct cfg80211_disassoc_request req; + struct wiphy *wiphy; + int err; + + rtnl_lock(); + + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); + if (err) + goto unlock_rtnl; + + if (!drv->ops->disassoc) { + err = -EOPNOTSUPP; + goto out; + } + + if (!info->attrs[NL80211_ATTR_MAC]) { + err = -EINVAL; + goto out; + } + + wiphy = &drv->wiphy; + memset(&req, 0, sizeof(req)); + + req.peer_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); + + if (info->attrs[NL80211_ATTR_REASON_CODE]) + req.reason_code = + nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); + + if (info->attrs[NL80211_ATTR_IE]) { + req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); + req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } + + err = drv->ops->disassoc(&drv->wiphy, dev, &req); + +out: + cfg80211_put_dev(drv); + dev_put(dev); +unlock_rtnl: + rtnl_unlock(); + return err; +} + static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, @@ -2829,6 +3060,30 @@ static struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .dumpit = nl80211_dump_scan, }, + { + .cmd = NL80211_CMD_AUTHENTICATE, + .doit = nl80211_authenticate, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_ASSOCIATE, + .doit = nl80211_associate, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEAUTHENTICATE, + .doit = nl80211_deauthenticate, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DISASSOCIATE, + .doit = nl80211_disassociate, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { .name = "mlme", |