]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/common/wpa_ctrl.h
Add parameter for vendor specific elements into Beacon/Probe Response
[thirdparty/hostap.git] / src / common / wpa_ctrl.h
CommitLineData
6fc6879b
JM
1/*
2 * wpa_supplicant/hostapd control interface library
3 * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
4 *
0f3d578e
JM
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
6fc6879b
JM
7 */
8
9#ifndef WPA_CTRL_H
10#define WPA_CTRL_H
11
12#ifdef __cplusplus
13extern "C" {
14#endif
15
16/* wpa_supplicant control interface - fixed message prefixes */
17
18/** Interactive request for identity/password/pin */
19#define WPA_CTRL_REQ "CTRL-REQ-"
20
21/** Response to identity/password/pin request */
22#define WPA_CTRL_RSP "CTRL-RSP-"
23
24/* Event messages with fixed prefix */
25/** Authentication completed successfully and data connection enabled */
26#define WPA_EVENT_CONNECTED "CTRL-EVENT-CONNECTED "
27/** Disconnected, data connection is not available */
28#define WPA_EVENT_DISCONNECTED "CTRL-EVENT-DISCONNECTED "
ea78c315
JM
29/** Association rejected during connection attempt */
30#define WPA_EVENT_ASSOC_REJECT "CTRL-EVENT-ASSOC-REJECT "
6fc6879b
JM
31/** wpa_supplicant is exiting */
32#define WPA_EVENT_TERMINATING "CTRL-EVENT-TERMINATING "
33/** Password change was completed successfully */
34#define WPA_EVENT_PASSWORD_CHANGED "CTRL-EVENT-PASSWORD-CHANGED "
35/** EAP-Request/Notification received */
36#define WPA_EVENT_EAP_NOTIFICATION "CTRL-EVENT-EAP-NOTIFICATION "
37/** EAP authentication started (EAP-Request/Identity received) */
38#define WPA_EVENT_EAP_STARTED "CTRL-EVENT-EAP-STARTED "
7796f20e
JM
39/** EAP method proposed by the server */
40#define WPA_EVENT_EAP_PROPOSED_METHOD "CTRL-EVENT-EAP-PROPOSED-METHOD "
6fc6879b
JM
41/** EAP method selected */
42#define WPA_EVENT_EAP_METHOD "CTRL-EVENT-EAP-METHOD "
00468b46
JM
43/** EAP peer certificate from TLS */
44#define WPA_EVENT_EAP_PEER_CERT "CTRL-EVENT-EAP-PEER-CERT "
45/** EAP TLS certificate chain validation error */
46#define WPA_EVENT_EAP_TLS_CERT_ERROR "CTRL-EVENT-EAP-TLS-CERT-ERROR "
6fc6879b
JM
47/** EAP authentication completed successfully */
48#define WPA_EVENT_EAP_SUCCESS "CTRL-EVENT-EAP-SUCCESS "
49/** EAP authentication failed (EAP-Failure received) */
50#define WPA_EVENT_EAP_FAILURE "CTRL-EVENT-EAP-FAILURE "
00e5e3d5
JM
51/** Network block temporarily disabled (e.g., due to authentication failure) */
52#define WPA_EVENT_TEMP_DISABLED "CTRL-EVENT-SSID-TEMP-DISABLED "
53/** Temporarily disabled network block re-enabled */
54#define WPA_EVENT_REENABLED "CTRL-EVENT-SSID-REENABLED "
6fc6879b
JM
55/** New scan results available */
56#define WPA_EVENT_SCAN_RESULTS "CTRL-EVENT-SCAN-RESULTS "
4e2ead7a
DS
57/** wpa_supplicant state change */
58#define WPA_EVENT_STATE_CHANGE "CTRL-EVENT-STATE-CHANGE "
b590812e 59/** A new BSS entry was added (followed by BSS entry id and BSSID) */
f0d126d3 60#define WPA_EVENT_BSS_ADDED "CTRL-EVENT-BSS-ADDED "
b590812e 61/** A BSS entry was removed (followed by BSS entry id and BSSID) */
f0d126d3 62#define WPA_EVENT_BSS_REMOVED "CTRL-EVENT-BSS-REMOVED "
6fc6879b 63
a524f05e 64/** WPS overlap detected in PBC mode */
ad08c363 65#define WPS_EVENT_OVERLAP "WPS-OVERLAP-DETECTED "
a524f05e
JM
66/** Available WPS AP with active PBC found in scan results */
67#define WPS_EVENT_AP_AVAILABLE_PBC "WPS-AP-AVAILABLE-PBC "
31fcea93
JM
68/** Available WPS AP with our address as authorized in scan results */
69#define WPS_EVENT_AP_AVAILABLE_AUTH "WPS-AP-AVAILABLE-AUTH "
a524f05e
JM
70/** Available WPS AP with recently selected PIN registrar found in scan results
71 */
72#define WPS_EVENT_AP_AVAILABLE_PIN "WPS-AP-AVAILABLE-PIN "
73/** Available WPS AP found in scan results */
74#define WPS_EVENT_AP_AVAILABLE "WPS-AP-AVAILABLE "
ff8a53a8
JM
75/** A new credential received */
76#define WPS_EVENT_CRED_RECEIVED "WPS-CRED-RECEIVED "
4b68290e
JM
77/** M2D received */
78#define WPS_EVENT_M2D "WPS-M2D "
469fc3a4
JM
79/** WPS registration failed after M2/M2D */
80#define WPS_EVENT_FAIL "WPS-FAIL "
ad5302a1
JM
81/** WPS registration completed successfully */
82#define WPS_EVENT_SUCCESS "WPS-SUCCESS "
a6099152
JM
83/** WPS enrollment attempt timed out and was terminated */
84#define WPS_EVENT_TIMEOUT "WPS-TIMEOUT "
ad08c363 85
c2f51269
JM
86#define WPS_EVENT_ENROLLEE_SEEN "WPS-ENROLLEE-SEEN "
87
f981eabc
JM
88#define WPS_EVENT_OPEN_NETWORK "WPS-OPEN-NETWORK "
89
b78bc3a3
JM
90/* WPS ER events */
91#define WPS_EVENT_ER_AP_ADD "WPS-ER-AP-ADD "
92#define WPS_EVENT_ER_AP_REMOVE "WPS-ER-AP-REMOVE "
93#define WPS_EVENT_ER_ENROLLEE_ADD "WPS-ER-ENROLLEE-ADD "
94#define WPS_EVENT_ER_ENROLLEE_REMOVE "WPS-ER-ENROLLEE-REMOVE "
15dbf129 95#define WPS_EVENT_ER_AP_SETTINGS "WPS-ER-AP-SETTINGS "
3e7533b3 96#define WPS_EVENT_ER_SET_SEL_REG "WPS-ER-AP-SET-SEL-REG "
b78bc3a3 97
b22128ef
JM
98/** P2P device found */
99#define P2P_EVENT_DEVICE_FOUND "P2P-DEVICE-FOUND "
3074d8f1
JJ
100
101/** P2P device lost */
102#define P2P_EVENT_DEVICE_LOST "P2P-DEVICE-LOST "
103
b22128ef
JM
104/** A P2P device requested GO negotiation, but we were not ready to start the
105 * negotiation */
106#define P2P_EVENT_GO_NEG_REQUEST "P2P-GO-NEG-REQUEST "
107#define P2P_EVENT_GO_NEG_SUCCESS "P2P-GO-NEG-SUCCESS "
108#define P2P_EVENT_GO_NEG_FAILURE "P2P-GO-NEG-FAILURE "
109#define P2P_EVENT_GROUP_FORMATION_SUCCESS "P2P-GROUP-FORMATION-SUCCESS "
110#define P2P_EVENT_GROUP_FORMATION_FAILURE "P2P-GROUP-FORMATION-FAILURE "
111#define P2P_EVENT_GROUP_STARTED "P2P-GROUP-STARTED "
112#define P2P_EVENT_GROUP_REMOVED "P2P-GROUP-REMOVED "
72044390
JM
113#define P2P_EVENT_CROSS_CONNECT_ENABLE "P2P-CROSS-CONNECT-ENABLE "
114#define P2P_EVENT_CROSS_CONNECT_DISABLE "P2P-CROSS-CONNECT-DISABLE "
b22128ef
JM
115/* parameters: <peer address> <PIN> */
116#define P2P_EVENT_PROV_DISC_SHOW_PIN "P2P-PROV-DISC-SHOW-PIN "
117/* parameters: <peer address> */
118#define P2P_EVENT_PROV_DISC_ENTER_PIN "P2P-PROV-DISC-ENTER-PIN "
119/* parameters: <peer address> */
120#define P2P_EVENT_PROV_DISC_PBC_REQ "P2P-PROV-DISC-PBC-REQ "
121/* parameters: <peer address> */
122#define P2P_EVENT_PROV_DISC_PBC_RESP "P2P-PROV-DISC-PBC-RESP "
f65a239b
DG
123/* parameters: <peer address> <status> */
124#define P2P_EVENT_PROV_DISC_FAILURE "P2P-PROV-DISC-FAILURE"
b22128ef
JM
125/* parameters: <freq> <src addr> <dialog token> <update indicator> <TLVs> */
126#define P2P_EVENT_SERV_DISC_REQ "P2P-SERV-DISC-REQ "
127/* parameters: <src addr> <update indicator> <TLVs> */
128#define P2P_EVENT_SERV_DISC_RESP "P2P-SERV-DISC-RESP "
129#define P2P_EVENT_INVITATION_RECEIVED "P2P-INVITATION-RECEIVED "
130#define P2P_EVENT_INVITATION_RESULT "P2P-INVITATION-RESULT "
8aebb0e4 131#define P2P_EVENT_FIND_STOPPED "P2P-FIND-STOPPED "
b22128ef 132
b02fe7ff
JM
133#define INTERWORKING_AP "INTERWORKING-AP "
134#define INTERWORKING_NO_MATCH "INTERWORKING-NO-MATCH "
135
ad08c363
JM
136/* hostapd control interface - fixed message prefixes */
137#define WPS_EVENT_PIN_NEEDED "WPS-PIN-NEEDED "
138#define WPS_EVENT_NEW_AP_SETTINGS "WPS-NEW-AP-SETTINGS "
aabe26a1 139#define WPS_EVENT_REG_SUCCESS "WPS-REG-SUCCESS "
3b2cf800 140#define WPS_EVENT_AP_SETUP_LOCKED "WPS-AP-SETUP-LOCKED "
94481410 141#define WPS_EVENT_AP_SETUP_UNLOCKED "WPS-AP-SETUP-UNLOCKED "
5a1cc30f
JM
142#define WPS_EVENT_AP_PIN_ENABLED "WPS-AP-PIN-ENABLED "
143#define WPS_EVENT_AP_PIN_DISABLED "WPS-AP-PIN-DISABLED "
20bd9547
JM
144#define AP_STA_CONNECTED "AP-STA-CONNECTED "
145#define AP_STA_DISCONNECTED "AP-STA-DISCONNECTED "
ad08c363 146
6fc6879b 147
5f97dd1c
DS
148/* BSS command information masks */
149
150#define WPA_BSS_MASK_ALL 0xFFFFFFFF
151#define WPA_BSS_MASK_ID BIT(0)
152#define WPA_BSS_MASK_BSSID BIT(1)
153#define WPA_BSS_MASK_FREQ BIT(2)
154#define WPA_BSS_MASK_BEACON_INT BIT(3)
155#define WPA_BSS_MASK_CAPABILITIES BIT(4)
156#define WPA_BSS_MASK_QUAL BIT(5)
157#define WPA_BSS_MASK_NOISE BIT(6)
158#define WPA_BSS_MASK_LEVEL BIT(7)
159#define WPA_BSS_MASK_TSF BIT(8)
160#define WPA_BSS_MASK_AGE BIT(9)
161#define WPA_BSS_MASK_IE BIT(10)
162#define WPA_BSS_MASK_FLAGS BIT(11)
163#define WPA_BSS_MASK_SSID BIT(12)
164#define WPA_BSS_MASK_WPS_SCAN BIT(13)
165#define WPA_BSS_MASK_P2P_SCAN BIT(14)
166#define WPA_BSS_MASK_INTERNETW BIT(15)
167
168
6fc6879b
JM
169/* wpa_supplicant/hostapd control interface access */
170
171/**
172 * wpa_ctrl_open - Open a control interface to wpa_supplicant/hostapd
173 * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used.
174 * Returns: Pointer to abstract control interface data or %NULL on failure
175 *
176 * This function is used to open a control interface to wpa_supplicant/hostapd.
177 * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd. This path
178 * is configured in wpa_supplicant/hostapd and other programs using the control
179 * interface need to use matching path configuration.
180 */
181struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path);
182
183
184/**
185 * wpa_ctrl_close - Close a control interface to wpa_supplicant/hostapd
186 * @ctrl: Control interface data from wpa_ctrl_open()
187 *
188 * This function is used to close a control interface.
189 */
190void wpa_ctrl_close(struct wpa_ctrl *ctrl);
191
192
193/**
194 * wpa_ctrl_request - Send a command to wpa_supplicant/hostapd
195 * @ctrl: Control interface data from wpa_ctrl_open()
196 * @cmd: Command; usually, ASCII text, e.g., "PING"
197 * @cmd_len: Length of the cmd in bytes
198 * @reply: Buffer for the response
199 * @reply_len: Reply buffer length
200 * @msg_cb: Callback function for unsolicited messages or %NULL if not used
201 * Returns: 0 on success, -1 on error (send or receive failed), -2 on timeout
202 *
203 * This function is used to send commands to wpa_supplicant/hostapd. Received
204 * response will be written to reply and reply_len is set to the actual length
205 * of the reply. This function will block for up to two seconds while waiting
206 * for the reply. If unsolicited messages are received, the blocking time may
207 * be longer.
208 *
209 * msg_cb can be used to register a callback function that will be called for
210 * unsolicited messages received while waiting for the command response. These
211 * messages may be received if wpa_ctrl_request() is called at the same time as
212 * wpa_supplicant/hostapd is sending such a message. This can happen only if
213 * the program has used wpa_ctrl_attach() to register itself as a monitor for
214 * event messages. Alternatively to msg_cb, programs can register two control
215 * interface connections and use one of them for commands and the other one for
216 * receiving event messages, in other words, call wpa_ctrl_attach() only for
217 * the control interface connection that will be used for event messages.
218 */
219int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
220 char *reply, size_t *reply_len,
221 void (*msg_cb)(char *msg, size_t len));
222
223
224/**
225 * wpa_ctrl_attach - Register as an event monitor for the control interface
226 * @ctrl: Control interface data from wpa_ctrl_open()
227 * Returns: 0 on success, -1 on failure, -2 on timeout
228 *
229 * This function registers the control interface connection as a monitor for
230 * wpa_supplicant/hostapd events. After a success wpa_ctrl_attach() call, the
231 * control interface connection starts receiving event messages that can be
232 * read with wpa_ctrl_recv().
233 */
234int wpa_ctrl_attach(struct wpa_ctrl *ctrl);
235
236
237/**
238 * wpa_ctrl_detach - Unregister event monitor from the control interface
239 * @ctrl: Control interface data from wpa_ctrl_open()
240 * Returns: 0 on success, -1 on failure, -2 on timeout
241 *
242 * This function unregisters the control interface connection as a monitor for
243 * wpa_supplicant/hostapd events, i.e., cancels the registration done with
244 * wpa_ctrl_attach().
245 */
246int wpa_ctrl_detach(struct wpa_ctrl *ctrl);
247
248
249/**
250 * wpa_ctrl_recv - Receive a pending control interface message
251 * @ctrl: Control interface data from wpa_ctrl_open()
252 * @reply: Buffer for the message data
253 * @reply_len: Length of the reply buffer
254 * Returns: 0 on success, -1 on failure
255 *
256 * This function will receive a pending control interface message. This
257 * function will block if no messages are available. The received response will
258 * be written to reply and reply_len is set to the actual length of the reply.
259 * wpa_ctrl_recv() is only used for event messages, i.e., wpa_ctrl_attach()
260 * must have been used to register the control interface as an event monitor.
261 */
262int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len);
263
264
265/**
266 * wpa_ctrl_pending - Check whether there are pending event messages
267 * @ctrl: Control interface data from wpa_ctrl_open()
268 * Returns: 1 if there are pending messages, 0 if no, or -1 on error
269 *
270 * This function will check whether there are any pending control interface
271 * message available to be received with wpa_ctrl_recv(). wpa_ctrl_pending() is
272 * only used for event messages, i.e., wpa_ctrl_attach() must have been used to
273 * register the control interface as an event monitor.
274 */
275int wpa_ctrl_pending(struct wpa_ctrl *ctrl);
276
277
278/**
279 * wpa_ctrl_get_fd - Get file descriptor used by the control interface
280 * @ctrl: Control interface data from wpa_ctrl_open()
281 * Returns: File descriptor used for the connection
282 *
283 * This function can be used to get the file descriptor that is used for the
284 * control interface connection. The returned value can be used, e.g., with
285 * select() while waiting for multiple events.
286 *
287 * The returned file descriptor must not be used directly for sending or
288 * receiving packets; instead, the library functions wpa_ctrl_request() and
289 * wpa_ctrl_recv() must be used for this.
290 */
291int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl);
292
4307bb8c
JD
293char * wpa_ctrl_get_remote_ifname(struct wpa_ctrl *ctrl);
294
ed3eecd7
DS
295#ifdef ANDROID
296/**
297 * wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that
298 * may be left over from clients that were previously connected to
299 * wpa_supplicant. This keeps these files from being orphaned in the
300 * event of crashes that prevented them from being removed as part
301 * of the normal orderly shutdown.
302 */
303void wpa_ctrl_cleanup(void);
304#endif /* ANDROID */
305
6fc6879b 306#ifdef CONFIG_CTRL_IFACE_UDP
afadf423 307/* Port range for multiple wpa_supplicant instances and multiple VIFs */
6fc6879b 308#define WPA_CTRL_IFACE_PORT 9877
afadf423 309#define WPA_CTRL_IFACE_PORT_LIMIT 50 /* decremented from start */
6fc6879b 310#define WPA_GLOBAL_CTRL_IFACE_PORT 9878
afadf423 311#define WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT 20 /* incremented from start */
6fc6879b
JM
312#endif /* CONFIG_CTRL_IFACE_UDP */
313
314
315#ifdef __cplusplus
316}
317#endif
318
319#endif /* WPA_CTRL_H */