Search Linux Wireless

Re: [PATCH 4/4] nl80211: Check iftype in cfg80211 code

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 2009-03-20 at 21:21 +0200, Jouni Malinen wrote:
> plain text document attachment (nl80211-check-iftype.patch)
> We do not want to require all the drivers using cfg80211 to need to do
> this. In addition, make the error values consistent by using
> EOPNOTSUPP instead of semi-random assortment of errno values.
> 
> Signed-off-by: Jouni Malinen <jouni.malinen@xxxxxxxxxxx>

Great, thanks.

Acked-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>

> ---
>  net/mac80211/cfg.c     |   40 ----------------------------
>  net/wireless/nl80211.c |   68 +++++++++++++++++++++++++++++++++++++++++++++++--
>  2 files changed, 66 insertions(+), 42 deletions(-)
> 
> --- uml.orig/net/mac80211/cfg.c	2009-03-20 18:03:59.000000000 +0200
> +++ uml/net/mac80211/cfg.c	2009-03-20 18:04:01.000000000 +0200
> @@ -540,9 +540,6 @@ static int ieee80211_add_beacon(struct w
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_AP)
> -		return -EINVAL;
> -
>  	old = sdata->u.ap.beacon;
>  
>  	if (old)
> @@ -559,9 +556,6 @@ static int ieee80211_set_beacon(struct w
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_AP)
> -		return -EINVAL;
> -
>  	old = sdata->u.ap.beacon;
>  
>  	if (!old)
> @@ -577,9 +571,6 @@ static int ieee80211_del_beacon(struct w
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_AP)
> -		return -EINVAL;
> -
>  	old = sdata->u.ap.beacon;
>  
>  	if (!old)
> @@ -858,9 +849,6 @@ static int ieee80211_add_mpath(struct wi
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
> -
>  	rcu_read_lock();
>  	sta = sta_info_get(local, next_hop);
>  	if (!sta) {
> @@ -908,9 +896,6 @@ static int ieee80211_change_mpath(struct
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
> -
>  	rcu_read_lock();
>  
>  	sta = sta_info_get(local, next_hop);
> @@ -979,9 +964,6 @@ static int ieee80211_get_mpath(struct wi
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
> -
>  	rcu_read_lock();
>  	mpath = mesh_path_lookup(dst, sdata);
>  	if (!mpath) {
> @@ -1003,9 +985,6 @@ static int ieee80211_dump_mpath(struct w
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
> -
>  	rcu_read_lock();
>  	mpath = mesh_path_lookup_by_idx(idx, sdata);
>  	if (!mpath) {
> @@ -1025,8 +1004,6 @@ static int ieee80211_get_mesh_params(str
>  	struct ieee80211_sub_if_data *sdata;
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
>  	memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
>  	return 0;
>  }
> @@ -1044,9 +1021,6 @@ static int ieee80211_set_mesh_params(str
>  	struct ieee80211_sub_if_data *sdata;
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
> -		return -ENOTSUPP;
> -
>  	/* Set the config options which we are interested in setting */
>  	conf = &(sdata->u.mesh.mshcfg);
>  	if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
> @@ -1094,9 +1068,6 @@ static int ieee80211_change_bss(struct w
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_AP)
> -		return -EINVAL;
> -
>  	if (params->use_cts_prot >= 0) {
>  		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
>  		changed |= BSS_CHANGED_ERP_CTS_PROT;
> @@ -1209,9 +1180,6 @@ static int ieee80211_auth(struct wiphy *
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_STATION)
> -		return -EOPNOTSUPP;
> -
>  	switch (req->auth_type) {
>  	case NL80211_AUTHTYPE_OPEN_SYSTEM:
>  		sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
> @@ -1268,9 +1236,6 @@ static int ieee80211_assoc(struct wiphy 
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_STATION)
> -		return -EOPNOTSUPP;
> -
>  	if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
>  	    !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
>  		return -ENOLINK; /* not authenticated */
> @@ -1305,8 +1270,6 @@ static int ieee80211_deauth(struct wiphy
>  	struct ieee80211_sub_if_data *sdata;
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
> -	if (sdata->vif.type != NL80211_IFTYPE_STATION)
> -		return -EOPNOTSUPP;
>  
>  	/* TODO: req->ie */
>  	return ieee80211_sta_deauthenticate(sdata, req->reason_code);
> @@ -1319,9 +1282,6 @@ static int ieee80211_disassoc(struct wip
>  
>  	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
>  
> -	if (sdata->vif.type != NL80211_IFTYPE_STATION)
> -		return -EOPNOTSUPP;
> -
>  	/* TODO: req->ie */
>  	return ieee80211_sta_disassociate(sdata, req->reason_code);
>  }
> --- uml.orig/net/wireless/nl80211.c	2009-03-20 18:03:59.000000000 +0200
> +++ uml/net/wireless/nl80211.c	2009-03-20 21:16:18.000000000 +0200
> @@ -1049,6 +1049,11 @@ static int nl80211_addset_beacon(struct 
>  	if (err)
>  		goto unlock_rtnl;
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	switch (info->genlhdr->cmd) {
>  	case NL80211_CMD_NEW_BEACON:
>  		/* these are required for NEW_BEACON */
> @@ -1136,6 +1141,10 @@ static int nl80211_del_beacon(struct sk_
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
>  	err = drv->ops->del_beacon(&drv->wiphy, dev);
>  
>   out:
> @@ -1324,7 +1333,7 @@ static int nl80211_dump_station(struct s
>  	}
>  
>  	if (!dev->ops->dump_station) {
> -		err = -ENOSYS;
> +		err = -EOPNOTSUPP;
>  		goto out_err;
>  	}
>  
> @@ -1698,10 +1707,15 @@ static int nl80211_dump_mpath(struct sk_
>  	}
>  
>  	if (!dev->ops->dump_mpath) {
> -		err = -ENOSYS;
> +		err = -EOPNOTSUPP;
>  		goto out_err;
>  	}
>  
> +	if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	while (1) {
>  		err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx,
>  					   dst, next_hop, &pinfo);
> @@ -1759,6 +1773,11 @@ static int nl80211_get_mpath(struct sk_b
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
>  	if (err)
>  		goto out;
> @@ -1813,6 +1832,11 @@ static int nl80211_set_mpath(struct sk_b
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> @@ -1856,6 +1880,11 @@ static int nl80211_new_mpath(struct sk_b
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> @@ -1944,6 +1973,11 @@ static int nl80211_set_bss(struct sk_buf
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	err = drv->ops->change_bss(&drv->wiphy, dev, &params);
>  
>   out:
> @@ -2058,6 +2092,11 @@ static int nl80211_get_mesh_params(struc
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	/* Get the mesh params */
>  	err = drv->ops->get_mesh_params(&drv->wiphy, dev, &cur_params);
>  	if (err)
> @@ -2175,6 +2214,11 @@ static int nl80211_set_mesh_params(struc
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	/* This makes sure that there aren't more than 32 mesh config
>  	 * parameters (otherwise our bitfield scheme would not work.) */
>  	BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32);
> @@ -2661,6 +2705,11 @@ static int nl80211_authenticate(struct s
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> @@ -2734,6 +2783,11 @@ static int nl80211_associate(struct sk_b
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> @@ -2797,6 +2851,11 @@ static int nl80211_deauthenticate(struct
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> @@ -2856,6 +2915,11 @@ static int nl80211_disassociate(struct s
>  		goto out;
>  	}
>  
> +	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
> +		err = -EOPNOTSUPP;
> +		goto out;
> +	}
> +
>  	if (!netif_running(dev)) {
>  		err = -ENETDOWN;
>  		goto out;
> 
> -- 
> 

Attachment: signature.asc
Description: This is a digitally signed message part


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux