1cd4e3c3eSJouni Malinen /* 2cd4e3c3eSJouni Malinen * wpa_supplicant/hostapd control interface library 3cd4e3c3eSJouni Malinen * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi> 4cd4e3c3eSJouni Malinen * 5cd4e3c3eSJouni Malinen * This software may be distributed under the terms of the BSD license. 6cd4e3c3eSJouni Malinen * See README for more details. 7cd4e3c3eSJouni Malinen */ 8cd4e3c3eSJouni Malinen 9cd4e3c3eSJouni Malinen #ifndef WPA_CTRL_H 10cd4e3c3eSJouni Malinen #define WPA_CTRL_H 11cd4e3c3eSJouni Malinen 12cd4e3c3eSJouni Malinen #ifdef __cplusplus 13cd4e3c3eSJouni Malinen extern "C" { 14cd4e3c3eSJouni Malinen #endif 15cd4e3c3eSJouni Malinen 16cd4e3c3eSJouni Malinen /* wpa_supplicant control interface - fixed message prefixes */ 17cd4e3c3eSJouni Malinen 18cd4e3c3eSJouni Malinen /** Interactive request for identity/password/pin */ 19cd4e3c3eSJouni Malinen #define WPA_CTRL_REQ "CTRL-REQ-" 20cd4e3c3eSJouni Malinen 21cd4e3c3eSJouni Malinen /** Response to identity/password/pin request */ 22cd4e3c3eSJouni Malinen #define WPA_CTRL_RSP "CTRL-RSP-" 23cd4e3c3eSJouni Malinen 24cd4e3c3eSJouni Malinen /* Event messages with fixed prefix */ 25cd4e3c3eSJouni Malinen /** Authentication completed successfully and data connection enabled */ 26cd4e3c3eSJouni Malinen #define WPA_EVENT_CONNECTED "CTRL-EVENT-CONNECTED " 27cd4e3c3eSJouni Malinen /** Disconnected, data connection is not available */ 28cd4e3c3eSJouni Malinen #define WPA_EVENT_DISCONNECTED "CTRL-EVENT-DISCONNECTED " 29cd4e3c3eSJouni Malinen /** Association rejected during connection attempt */ 30cd4e3c3eSJouni Malinen #define WPA_EVENT_ASSOC_REJECT "CTRL-EVENT-ASSOC-REJECT " 31cd4e3c3eSJouni Malinen /** wpa_supplicant is exiting */ 32cd4e3c3eSJouni Malinen #define WPA_EVENT_TERMINATING "CTRL-EVENT-TERMINATING " 33cd4e3c3eSJouni Malinen /** Password change was completed successfully */ 34cd4e3c3eSJouni Malinen #define WPA_EVENT_PASSWORD_CHANGED "CTRL-EVENT-PASSWORD-CHANGED " 35cd4e3c3eSJouni Malinen /** EAP-Request/Notification received */ 36cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_NOTIFICATION "CTRL-EVENT-EAP-NOTIFICATION " 37cd4e3c3eSJouni Malinen /** EAP authentication started (EAP-Request/Identity received) */ 38cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_STARTED "CTRL-EVENT-EAP-STARTED " 39cd4e3c3eSJouni Malinen /** EAP method proposed by the server */ 40cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_PROPOSED_METHOD "CTRL-EVENT-EAP-PROPOSED-METHOD " 41cd4e3c3eSJouni Malinen /** EAP method selected */ 42cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_METHOD "CTRL-EVENT-EAP-METHOD " 43cd4e3c3eSJouni Malinen /** EAP peer certificate from TLS */ 44cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_PEER_CERT "CTRL-EVENT-EAP-PEER-CERT " 45cd4e3c3eSJouni Malinen /** EAP TLS certificate chain validation error */ 46cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_TLS_CERT_ERROR "CTRL-EVENT-EAP-TLS-CERT-ERROR " 47cd4e3c3eSJouni Malinen /** EAP authentication completed successfully */ 48cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_SUCCESS "CTRL-EVENT-EAP-SUCCESS " 49cd4e3c3eSJouni Malinen /** EAP authentication failed (EAP-Failure received) */ 50cd4e3c3eSJouni Malinen #define WPA_EVENT_EAP_FAILURE "CTRL-EVENT-EAP-FAILURE " 51cd4e3c3eSJouni Malinen /** New scan results available */ 52cd4e3c3eSJouni Malinen #define WPA_EVENT_SCAN_RESULTS "CTRL-EVENT-SCAN-RESULTS " 53cd4e3c3eSJouni Malinen /** wpa_supplicant state change */ 54cd4e3c3eSJouni Malinen #define WPA_EVENT_STATE_CHANGE "CTRL-EVENT-STATE-CHANGE " 55cd4e3c3eSJouni Malinen /** A new BSS entry was added (followed by BSS entry id and BSSID) */ 56cd4e3c3eSJouni Malinen #define WPA_EVENT_BSS_ADDED "CTRL-EVENT-BSS-ADDED " 57cd4e3c3eSJouni Malinen /** A BSS entry was removed (followed by BSS entry id and BSSID) */ 58cd4e3c3eSJouni Malinen #define WPA_EVENT_BSS_REMOVED "CTRL-EVENT-BSS-REMOVED " 59cd4e3c3eSJouni Malinen 60cd4e3c3eSJouni Malinen /** WPS overlap detected in PBC mode */ 61cd4e3c3eSJouni Malinen #define WPS_EVENT_OVERLAP "WPS-OVERLAP-DETECTED " 62cd4e3c3eSJouni Malinen /** Available WPS AP with active PBC found in scan results */ 63cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_AVAILABLE_PBC "WPS-AP-AVAILABLE-PBC " 64cd4e3c3eSJouni Malinen /** Available WPS AP with our address as authorized in scan results */ 65cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_AVAILABLE_AUTH "WPS-AP-AVAILABLE-AUTH " 66cd4e3c3eSJouni Malinen /** Available WPS AP with recently selected PIN registrar found in scan results 67cd4e3c3eSJouni Malinen */ 68cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_AVAILABLE_PIN "WPS-AP-AVAILABLE-PIN " 69cd4e3c3eSJouni Malinen /** Available WPS AP found in scan results */ 70cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_AVAILABLE "WPS-AP-AVAILABLE " 71cd4e3c3eSJouni Malinen /** A new credential received */ 72cd4e3c3eSJouni Malinen #define WPS_EVENT_CRED_RECEIVED "WPS-CRED-RECEIVED " 73cd4e3c3eSJouni Malinen /** M2D received */ 74cd4e3c3eSJouni Malinen #define WPS_EVENT_M2D "WPS-M2D " 75cd4e3c3eSJouni Malinen /** WPS registration failed after M2/M2D */ 76cd4e3c3eSJouni Malinen #define WPS_EVENT_FAIL "WPS-FAIL " 77cd4e3c3eSJouni Malinen /** WPS registration completed successfully */ 78cd4e3c3eSJouni Malinen #define WPS_EVENT_SUCCESS "WPS-SUCCESS " 79cd4e3c3eSJouni Malinen /** WPS enrollment attempt timed out and was terminated */ 80cd4e3c3eSJouni Malinen #define WPS_EVENT_TIMEOUT "WPS-TIMEOUT " 81cd4e3c3eSJouni Malinen 82cd4e3c3eSJouni Malinen #define WPS_EVENT_ENROLLEE_SEEN "WPS-ENROLLEE-SEEN " 83cd4e3c3eSJouni Malinen 84cd4e3c3eSJouni Malinen #define WPS_EVENT_OPEN_NETWORK "WPS-OPEN-NETWORK " 85cd4e3c3eSJouni Malinen 86cd4e3c3eSJouni Malinen /* WPS ER events */ 87cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_AP_ADD "WPS-ER-AP-ADD " 88cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_AP_REMOVE "WPS-ER-AP-REMOVE " 89cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_ENROLLEE_ADD "WPS-ER-ENROLLEE-ADD " 90cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_ENROLLEE_REMOVE "WPS-ER-ENROLLEE-REMOVE " 91cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_AP_SETTINGS "WPS-ER-AP-SETTINGS " 92cd4e3c3eSJouni Malinen #define WPS_EVENT_ER_SET_SEL_REG "WPS-ER-AP-SET-SEL-REG " 93cd4e3c3eSJouni Malinen 94cd4e3c3eSJouni Malinen /** P2P device found */ 95cd4e3c3eSJouni Malinen #define P2P_EVENT_DEVICE_FOUND "P2P-DEVICE-FOUND " 96cd4e3c3eSJouni Malinen 97cd4e3c3eSJouni Malinen /** P2P device lost */ 98cd4e3c3eSJouni Malinen #define P2P_EVENT_DEVICE_LOST "P2P-DEVICE-LOST " 99cd4e3c3eSJouni Malinen 100cd4e3c3eSJouni Malinen /** A P2P device requested GO negotiation, but we were not ready to start the 101cd4e3c3eSJouni Malinen * negotiation */ 102cd4e3c3eSJouni Malinen #define P2P_EVENT_GO_NEG_REQUEST "P2P-GO-NEG-REQUEST " 103cd4e3c3eSJouni Malinen #define P2P_EVENT_GO_NEG_SUCCESS "P2P-GO-NEG-SUCCESS " 104cd4e3c3eSJouni Malinen #define P2P_EVENT_GO_NEG_FAILURE "P2P-GO-NEG-FAILURE " 105cd4e3c3eSJouni Malinen #define P2P_EVENT_GROUP_FORMATION_SUCCESS "P2P-GROUP-FORMATION-SUCCESS " 106cd4e3c3eSJouni Malinen #define P2P_EVENT_GROUP_FORMATION_FAILURE "P2P-GROUP-FORMATION-FAILURE " 107cd4e3c3eSJouni Malinen #define P2P_EVENT_GROUP_STARTED "P2P-GROUP-STARTED " 108cd4e3c3eSJouni Malinen #define P2P_EVENT_GROUP_REMOVED "P2P-GROUP-REMOVED " 109cd4e3c3eSJouni Malinen #define P2P_EVENT_CROSS_CONNECT_ENABLE "P2P-CROSS-CONNECT-ENABLE " 110cd4e3c3eSJouni Malinen #define P2P_EVENT_CROSS_CONNECT_DISABLE "P2P-CROSS-CONNECT-DISABLE " 111cd4e3c3eSJouni Malinen /* parameters: <peer address> <PIN> */ 112cd4e3c3eSJouni Malinen #define P2P_EVENT_PROV_DISC_SHOW_PIN "P2P-PROV-DISC-SHOW-PIN " 113cd4e3c3eSJouni Malinen /* parameters: <peer address> */ 114cd4e3c3eSJouni Malinen #define P2P_EVENT_PROV_DISC_ENTER_PIN "P2P-PROV-DISC-ENTER-PIN " 115cd4e3c3eSJouni Malinen /* parameters: <peer address> */ 116cd4e3c3eSJouni Malinen #define P2P_EVENT_PROV_DISC_PBC_REQ "P2P-PROV-DISC-PBC-REQ " 117cd4e3c3eSJouni Malinen /* parameters: <peer address> */ 118cd4e3c3eSJouni Malinen #define P2P_EVENT_PROV_DISC_PBC_RESP "P2P-PROV-DISC-PBC-RESP " 119cd4e3c3eSJouni Malinen /* parameters: <freq> <src addr> <dialog token> <update indicator> <TLVs> */ 120cd4e3c3eSJouni Malinen #define P2P_EVENT_SERV_DISC_REQ "P2P-SERV-DISC-REQ " 121cd4e3c3eSJouni Malinen /* parameters: <src addr> <update indicator> <TLVs> */ 122cd4e3c3eSJouni Malinen #define P2P_EVENT_SERV_DISC_RESP "P2P-SERV-DISC-RESP " 123cd4e3c3eSJouni Malinen #define P2P_EVENT_INVITATION_RECEIVED "P2P-INVITATION-RECEIVED " 124cd4e3c3eSJouni Malinen #define P2P_EVENT_INVITATION_RESULT "P2P-INVITATION-RESULT " 125cd4e3c3eSJouni Malinen #define P2P_EVENT_FIND_STOPPED "P2P-FIND-STOPPED " 126cd4e3c3eSJouni Malinen 127cd4e3c3eSJouni Malinen #define INTERWORKING_AP "INTERWORKING-AP " 128cd4e3c3eSJouni Malinen #define INTERWORKING_NO_MATCH "INTERWORKING-NO-MATCH " 129cd4e3c3eSJouni Malinen 130cd4e3c3eSJouni Malinen /* hostapd control interface - fixed message prefixes */ 131cd4e3c3eSJouni Malinen #define WPS_EVENT_PIN_NEEDED "WPS-PIN-NEEDED " 132cd4e3c3eSJouni Malinen #define WPS_EVENT_NEW_AP_SETTINGS "WPS-NEW-AP-SETTINGS " 133cd4e3c3eSJouni Malinen #define WPS_EVENT_REG_SUCCESS "WPS-REG-SUCCESS " 134cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_SETUP_LOCKED "WPS-AP-SETUP-LOCKED " 135cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_SETUP_UNLOCKED "WPS-AP-SETUP-UNLOCKED " 136cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_PIN_ENABLED "WPS-AP-PIN-ENABLED " 137cd4e3c3eSJouni Malinen #define WPS_EVENT_AP_PIN_DISABLED "WPS-AP-PIN-DISABLED " 138cd4e3c3eSJouni Malinen #define AP_STA_CONNECTED "AP-STA-CONNECTED " 139cd4e3c3eSJouni Malinen #define AP_STA_DISCONNECTED "AP-STA-DISCONNECTED " 140cd4e3c3eSJouni Malinen 141cd4e3c3eSJouni Malinen 142cd4e3c3eSJouni Malinen /* wpa_supplicant/hostapd control interface access */ 143cd4e3c3eSJouni Malinen 144cd4e3c3eSJouni Malinen /** 145cd4e3c3eSJouni Malinen * wpa_ctrl_open - Open a control interface to wpa_supplicant/hostapd 146cd4e3c3eSJouni Malinen * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used. 147cd4e3c3eSJouni Malinen * Returns: Pointer to abstract control interface data or %NULL on failure 148cd4e3c3eSJouni Malinen * 149cd4e3c3eSJouni Malinen * This function is used to open a control interface to wpa_supplicant/hostapd. 150cd4e3c3eSJouni Malinen * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd. This path 151cd4e3c3eSJouni Malinen * is configured in wpa_supplicant/hostapd and other programs using the control 152cd4e3c3eSJouni Malinen * interface need to use matching path configuration. 153cd4e3c3eSJouni Malinen */ 154cd4e3c3eSJouni Malinen struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path); 155cd4e3c3eSJouni Malinen 156*831b5497SRajiv Ranjan /** 157*831b5497SRajiv Ranjan * wpa_ctrl_open2 - Open a control interface to wpa_supplicant/hostapd 158*831b5497SRajiv Ranjan * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used. 159*831b5497SRajiv Ranjan * @cli_path: Path for client UNIX domain sockets; ignored if UDP socket 160*831b5497SRajiv Ranjan * is used. 161*831b5497SRajiv Ranjan * Returns: Pointer to abstract control interface data or %NULL on failure 162*831b5497SRajiv Ranjan * 163*831b5497SRajiv Ranjan * This function is used to open a control interface to wpa_supplicant/hostapd 164*831b5497SRajiv Ranjan * when the socket path for client need to be specified explicitly. Default 165*831b5497SRajiv Ranjan * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd and client 166*831b5497SRajiv Ranjan * socket path is /tmp. 167*831b5497SRajiv Ranjan */ 168*831b5497SRajiv Ranjan struct wpa_ctrl * wpa_ctrl_open2(const char *ctrl_path, const char *cli_path); 169*831b5497SRajiv Ranjan 170cd4e3c3eSJouni Malinen 171cd4e3c3eSJouni Malinen /** 172cd4e3c3eSJouni Malinen * wpa_ctrl_close - Close a control interface to wpa_supplicant/hostapd 173cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 174cd4e3c3eSJouni Malinen * 175cd4e3c3eSJouni Malinen * This function is used to close a control interface. 176cd4e3c3eSJouni Malinen */ 177cd4e3c3eSJouni Malinen void wpa_ctrl_close(struct wpa_ctrl *ctrl); 178cd4e3c3eSJouni Malinen 179cd4e3c3eSJouni Malinen 180cd4e3c3eSJouni Malinen /** 181cd4e3c3eSJouni Malinen * wpa_ctrl_request - Send a command to wpa_supplicant/hostapd 182cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 183cd4e3c3eSJouni Malinen * @cmd: Command; usually, ASCII text, e.g., "PING" 184cd4e3c3eSJouni Malinen * @cmd_len: Length of the cmd in bytes 185cd4e3c3eSJouni Malinen * @reply: Buffer for the response 186cd4e3c3eSJouni Malinen * @reply_len: Reply buffer length 187cd4e3c3eSJouni Malinen * @msg_cb: Callback function for unsolicited messages or %NULL if not used 188cd4e3c3eSJouni Malinen * Returns: 0 on success, -1 on error (send or receive failed), -2 on timeout 189cd4e3c3eSJouni Malinen * 190cd4e3c3eSJouni Malinen * This function is used to send commands to wpa_supplicant/hostapd. Received 191cd4e3c3eSJouni Malinen * response will be written to reply and reply_len is set to the actual length 192cd4e3c3eSJouni Malinen * of the reply. This function will block for up to two seconds while waiting 193cd4e3c3eSJouni Malinen * for the reply. If unsolicited messages are received, the blocking time may 194cd4e3c3eSJouni Malinen * be longer. 195cd4e3c3eSJouni Malinen * 196cd4e3c3eSJouni Malinen * msg_cb can be used to register a callback function that will be called for 197cd4e3c3eSJouni Malinen * unsolicited messages received while waiting for the command response. These 198cd4e3c3eSJouni Malinen * messages may be received if wpa_ctrl_request() is called at the same time as 199cd4e3c3eSJouni Malinen * wpa_supplicant/hostapd is sending such a message. This can happen only if 200cd4e3c3eSJouni Malinen * the program has used wpa_ctrl_attach() to register itself as a monitor for 201cd4e3c3eSJouni Malinen * event messages. Alternatively to msg_cb, programs can register two control 202cd4e3c3eSJouni Malinen * interface connections and use one of them for commands and the other one for 203cd4e3c3eSJouni Malinen * receiving event messages, in other words, call wpa_ctrl_attach() only for 204cd4e3c3eSJouni Malinen * the control interface connection that will be used for event messages. 205cd4e3c3eSJouni Malinen */ 206cd4e3c3eSJouni Malinen int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, 207cd4e3c3eSJouni Malinen char *reply, size_t *reply_len, 208cd4e3c3eSJouni Malinen void (*msg_cb)(char *msg, size_t len)); 209cd4e3c3eSJouni Malinen 210cd4e3c3eSJouni Malinen 211cd4e3c3eSJouni Malinen /** 212cd4e3c3eSJouni Malinen * wpa_ctrl_attach - Register as an event monitor for the control interface 213cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 214cd4e3c3eSJouni Malinen * Returns: 0 on success, -1 on failure, -2 on timeout 215cd4e3c3eSJouni Malinen * 216cd4e3c3eSJouni Malinen * This function registers the control interface connection as a monitor for 217cd4e3c3eSJouni Malinen * wpa_supplicant/hostapd events. After a success wpa_ctrl_attach() call, the 218cd4e3c3eSJouni Malinen * control interface connection starts receiving event messages that can be 219cd4e3c3eSJouni Malinen * read with wpa_ctrl_recv(). 220cd4e3c3eSJouni Malinen */ 221cd4e3c3eSJouni Malinen int wpa_ctrl_attach(struct wpa_ctrl *ctrl); 222cd4e3c3eSJouni Malinen 223cd4e3c3eSJouni Malinen 224cd4e3c3eSJouni Malinen /** 225cd4e3c3eSJouni Malinen * wpa_ctrl_detach - Unregister event monitor from the control interface 226cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 227cd4e3c3eSJouni Malinen * Returns: 0 on success, -1 on failure, -2 on timeout 228cd4e3c3eSJouni Malinen * 229cd4e3c3eSJouni Malinen * This function unregisters the control interface connection as a monitor for 230cd4e3c3eSJouni Malinen * wpa_supplicant/hostapd events, i.e., cancels the registration done with 231cd4e3c3eSJouni Malinen * wpa_ctrl_attach(). 232cd4e3c3eSJouni Malinen */ 233cd4e3c3eSJouni Malinen int wpa_ctrl_detach(struct wpa_ctrl *ctrl); 234cd4e3c3eSJouni Malinen 235cd4e3c3eSJouni Malinen 236cd4e3c3eSJouni Malinen /** 237cd4e3c3eSJouni Malinen * wpa_ctrl_recv - Receive a pending control interface message 238cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 239cd4e3c3eSJouni Malinen * @reply: Buffer for the message data 240cd4e3c3eSJouni Malinen * @reply_len: Length of the reply buffer 241cd4e3c3eSJouni Malinen * Returns: 0 on success, -1 on failure 242cd4e3c3eSJouni Malinen * 243cd4e3c3eSJouni Malinen * This function will receive a pending control interface message. This 244cd4e3c3eSJouni Malinen * function will block if no messages are available. The received response will 245cd4e3c3eSJouni Malinen * be written to reply and reply_len is set to the actual length of the reply. 246cd4e3c3eSJouni Malinen * wpa_ctrl_recv() is only used for event messages, i.e., wpa_ctrl_attach() 247cd4e3c3eSJouni Malinen * must have been used to register the control interface as an event monitor. 248cd4e3c3eSJouni Malinen */ 249cd4e3c3eSJouni Malinen int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len); 250cd4e3c3eSJouni Malinen 251cd4e3c3eSJouni Malinen 252cd4e3c3eSJouni Malinen /** 253cd4e3c3eSJouni Malinen * wpa_ctrl_pending - Check whether there are pending event messages 254cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 255cd4e3c3eSJouni Malinen * Returns: 1 if there are pending messages, 0 if no, or -1 on error 256cd4e3c3eSJouni Malinen * 257cd4e3c3eSJouni Malinen * This function will check whether there are any pending control interface 258cd4e3c3eSJouni Malinen * message available to be received with wpa_ctrl_recv(). wpa_ctrl_pending() is 259cd4e3c3eSJouni Malinen * only used for event messages, i.e., wpa_ctrl_attach() must have been used to 260cd4e3c3eSJouni Malinen * register the control interface as an event monitor. 261cd4e3c3eSJouni Malinen */ 262cd4e3c3eSJouni Malinen int wpa_ctrl_pending(struct wpa_ctrl *ctrl); 263cd4e3c3eSJouni Malinen 264cd4e3c3eSJouni Malinen 265cd4e3c3eSJouni Malinen /** 266cd4e3c3eSJouni Malinen * wpa_ctrl_get_fd - Get file descriptor used by the control interface 267cd4e3c3eSJouni Malinen * @ctrl: Control interface data from wpa_ctrl_open() 268cd4e3c3eSJouni Malinen * Returns: File descriptor used for the connection 269cd4e3c3eSJouni Malinen * 270cd4e3c3eSJouni Malinen * This function can be used to get the file descriptor that is used for the 271cd4e3c3eSJouni Malinen * control interface connection. The returned value can be used, e.g., with 272cd4e3c3eSJouni Malinen * select() while waiting for multiple events. 273cd4e3c3eSJouni Malinen * 274cd4e3c3eSJouni Malinen * The returned file descriptor must not be used directly for sending or 275cd4e3c3eSJouni Malinen * receiving packets; instead, the library functions wpa_ctrl_request() and 276cd4e3c3eSJouni Malinen * wpa_ctrl_recv() must be used for this. 277cd4e3c3eSJouni Malinen */ 278cd4e3c3eSJouni Malinen int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl); 279cd4e3c3eSJouni Malinen 280cd4e3c3eSJouni Malinen 281cd4e3c3eSJouni Malinen #ifdef CONFIG_CTRL_IFACE_UDP 282cd4e3c3eSJouni Malinen #define WPA_CTRL_IFACE_PORT 9877 283cd4e3c3eSJouni Malinen #define WPA_GLOBAL_CTRL_IFACE_PORT 9878 284cd4e3c3eSJouni Malinen #endif /* CONFIG_CTRL_IFACE_UDP */ 285cd4e3c3eSJouni Malinen 286cd4e3c3eSJouni Malinen 287cd4e3c3eSJouni Malinen #ifdef __cplusplus 288cd4e3c3eSJouni Malinen } 289cd4e3c3eSJouni Malinen #endif 290cd4e3c3eSJouni Malinen 291cd4e3c3eSJouni Malinen #endif /* WPA_CTRL_H */ 292