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netdev: Move CMD_DEL_STATION builder to nl80211util

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While here, also get rid of netdev_del_station.  The only user of this
function was in ap.c and it could easily be replaced by invoking the new
nl80211_build_del_station function.  The callback used by
netdev_build_del_station only printed an error and didn't do anything
useful.  Get rid of it for now.
This commit is contained in:
Denis Kenzior 2023-11-14 09:49:39 -06:00
parent 904373eee7
commit 1aa83722a0
4 changed files with 35 additions and 51 deletions
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9
src/ap.c
View File

@ -392,10 +392,17 @@ static void ap_del_station(struct sta_state *sta, uint16_t reason,
bool disassociate)
{
struct ap_state *ap = sta->ap;
uint32_t ifindex = netdev_get_ifindex(ap->netdev);
struct ap_event_station_removed_data event_data;
bool send_event = false;
struct l_genl_msg *msg;
uint8_t subtype = disassociate ?
MPDU_MANAGEMENT_SUBTYPE_DISASSOCIATION :
MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION;
msg = nl80211_build_del_station(ifindex, sta->addr, reason, subtype);
l_genl_family_send(ap->nl80211, msg, NULL, NULL, NULL);
netdev_del_station(ap->netdev, sta->addr, reason, disassociate);
sta->associated = false;
if (sta->rsna) {

56
src/netdev.c
View File

@ -1298,52 +1298,6 @@ static void netdev_deauthenticate_event(struct l_genl_msg *msg,
MMPDU_STATUS_CODE_UNSPECIFIED);
}
static struct l_genl_msg *netdev_build_cmd_del_station(struct netdev *netdev,
const uint8_t *sta,
uint16_t reason_code,
bool disassociate)
{
struct l_genl_msg *msg;
uint8_t subtype = disassociate ?
MPDU_MANAGEMENT_SUBTYPE_DISASSOCIATION :
MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION;
msg = l_genl_msg_new_sized(NL80211_CMD_DEL_STATION, 64);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &netdev->index);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, 6, sta);
l_genl_msg_append_attr(msg, NL80211_ATTR_MGMT_SUBTYPE, 1, &subtype);
l_genl_msg_append_attr(msg, NL80211_ATTR_REASON_CODE, 2, &reason_code);
return msg;
}
static void netdev_del_sta_cb(struct l_genl_msg *msg, void *user_data)
{
int err = l_genl_msg_get_error(msg);
const char *ext_error;
if (err >= 0)
return;
ext_error = l_genl_msg_get_extended_error(msg);
l_error("DEL_STATION failed: %s",
ext_error ? ext_error : strerror(-err));
}
int netdev_del_station(struct netdev *netdev, const uint8_t *sta,
uint16_t reason_code, bool disassociate)
{
struct l_genl_msg *msg;
msg = netdev_build_cmd_del_station(netdev, sta, reason_code,
disassociate);
if (!l_genl_family_send(nl80211, msg, netdev_del_sta_cb, NULL, NULL))
return -EIO;
return 0;
}
static void netdev_operstate_cb(int error, uint16_t type,
const void *data,
uint32_t len, void *user_data)
@ -1444,8 +1398,9 @@ static void netdev_setting_keys_failed(struct netdev_handshake_state *nhs,
if (err == -ENETDOWN)
return;
msg = netdev_build_cmd_del_station(netdev, nhs->super.spa,
MMPDU_REASON_CODE_UNSPECIFIED, false);
msg = nl80211_build_del_station(netdev->index,
nhs->super.spa, MMPDU_REASON_CODE_UNSPECIFIED,
MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION);
if (!l_genl_family_send(nl80211, msg, NULL, NULL, NULL))
l_error("error sending DEL_STATION");
@ -2227,8 +2182,9 @@ void netdev_handshake_failed(struct handshake_state *hs, uint16_t reason_code)
break;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
msg = netdev_build_cmd_del_station(netdev, nhs->super.spa,
reason_code, false);
msg = nl80211_build_del_station(netdev->index, nhs->super.spa,
reason_code,
MPDU_MANAGEMENT_SUBTYPE_DEAUTHENTICATION);
if (!l_genl_family_send(nl80211, msg, NULL, NULL, NULL))
l_error("error sending DEL_STATION");
}

16
src/nl80211util.c
View File

@ -310,6 +310,22 @@ struct l_genl_msg *nl80211_build_disconnect(uint32_t ifindex,
return msg;
}
struct l_genl_msg *nl80211_build_del_station(uint32_t ifindex,
const uint8_t addr[static 6],
uint16_t reason_code,
uint8_t subtype)
{
struct l_genl_msg *msg;
msg = l_genl_msg_new_sized(NL80211_CMD_DEL_STATION, 64);
l_genl_msg_append_attr(msg, NL80211_ATTR_IFINDEX, 4, &ifindex);
l_genl_msg_append_attr(msg, NL80211_ATTR_MAC, 6, addr);
l_genl_msg_append_attr(msg, NL80211_ATTR_MGMT_SUBTYPE, 1, &subtype);
l_genl_msg_append_attr(msg, NL80211_ATTR_REASON_CODE, 2, &reason_code);
return msg;
}
struct l_genl_msg *nl80211_build_new_key_group(uint32_t ifindex, uint32_t cipher,
uint8_t key_id, const uint8_t *key,
size_t key_len, const uint8_t *ctr,

5
src/nl80211util.h
View File

@ -34,6 +34,11 @@ struct l_genl_msg *nl80211_build_deauthenticate(uint32_t ifindex,
struct l_genl_msg *nl80211_build_disconnect(uint32_t ifindex,
uint16_t reason_code);
struct l_genl_msg *nl80211_build_del_station(uint32_t ifindex,
const uint8_t addr[static 6],
uint16_t reason_code,
uint8_t subtype);
struct l_genl_msg *nl80211_build_new_key_group(uint32_t ifindex,
uint32_t cipher, uint8_t key_id,
const uint8_t *key, size_t key_len,