1 /* 2 * WPA Supplicant / Configuration file structures 3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef CONFIG_H 10 #define CONFIG_H 11 12 #define DEFAULT_EAPOL_VERSION 1 13 #ifdef CONFIG_NO_SCAN_PROCESSING 14 #define DEFAULT_AP_SCAN 2 15 #else /* CONFIG_NO_SCAN_PROCESSING */ 16 #define DEFAULT_AP_SCAN 1 17 #endif /* CONFIG_NO_SCAN_PROCESSING */ 18 #define DEFAULT_USER_MPM 1 19 #define DEFAULT_MAX_PEER_LINKS 99 20 #define DEFAULT_MESH_MAX_INACTIVITY 300 21 #define DEFAULT_MESH_FWDING 1 22 /* 23 * The default dot11RSNASAERetransPeriod is defined as 40 ms in the standard, 24 * but use 1000 ms in practice to avoid issues on low power CPUs. 25 */ 26 #define DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD 1000 27 #define DEFAULT_FAST_REAUTH 1 28 #define DEFAULT_P2P_GO_INTENT 7 29 #define DEFAULT_P2P_INTRA_BSS 1 30 #define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60) 31 #define DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN 0 32 #define DEFAULT_BSS_MAX_COUNT 200 33 #define DEFAULT_BSS_EXPIRATION_AGE 180 34 #define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2 35 #define DEFAULT_MAX_NUM_STA 128 36 #define DEFAULT_AP_ISOLATE 0 37 #define DEFAULT_ACCESS_NETWORK_TYPE 15 38 #define DEFAULT_SCAN_CUR_FREQ 0 39 #define DEFAULT_P2P_SEARCH_DELAY 500 40 #define DEFAULT_RAND_ADDR_LIFETIME 60 41 #define DEFAULT_KEY_MGMT_OFFLOAD 1 42 #define DEFAULT_CERT_IN_CB 1 43 #define DEFAULT_P2P_GO_CTWINDOW 0 44 #define DEFAULT_WPA_RSC_RELAXATION 1 45 #define DEFAULT_MBO_CELL_CAPA MBO_CELL_CAPA_NOT_SUPPORTED 46 #define DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD -75 47 #define DEFAULT_OCE_SUPPORT OCE_STA 48 #define DEFAULT_EXTENDED_KEY_ID 0 49 #define DEFAULT_BTM_OFFLOAD 0 50 #define DEFAULT_SCAN_RES_VALID_FOR_CONNECT 5 51 #define DEFAULT_MLD_CONNECT_BAND_PREF MLD_CONNECT_BAND_PREF_AUTO 52 53 #include "config_ssid.h" 54 #include "wps/wps.h" 55 #include "common/ieee802_11_defs.h" 56 #include "common/ieee802_11_common.h" 57 58 59 #define MAX_ROAMING_CONS 36 60 #define MAX_ROAMING_CONS_OI_LEN 15 61 62 struct wpa_cred { 63 /** 64 * next - Next credential in the list 65 * 66 * This pointer can be used to iterate over all credentials. The head 67 * of this list is stored in the cred field of struct wpa_config. 68 */ 69 struct wpa_cred *next; 70 71 /** 72 * id - Unique id for the credential 73 * 74 * This identifier is used as a unique identifier for each credential 75 * block when using the control interface. Each credential is allocated 76 * an id when it is being created, either when reading the 77 * configuration file or when a new credential is added through the 78 * control interface. 79 */ 80 int id; 81 82 /** 83 * temporary - Whether this credential is temporary and not to be saved 84 */ 85 int temporary; 86 87 /** 88 * priority - Priority group 89 * 90 * By default, all networks and credentials get the same priority group 91 * (0). This field can be used to give higher priority for credentials 92 * (and similarly in struct wpa_ssid for network blocks) to change the 93 * Interworking automatic networking selection behavior. The matching 94 * network (based on either an enabled network block or a credential) 95 * with the highest priority value will be selected. 96 */ 97 int priority; 98 99 /** 100 * pcsc - Use PC/SC and SIM/USIM card 101 */ 102 int pcsc; 103 104 /** 105 * realm - Home Realm for Interworking 106 */ 107 char *realm; 108 109 /** 110 * username - Username for Interworking network selection 111 */ 112 char *username; 113 114 /** 115 * password - Password for Interworking network selection 116 */ 117 char *password; 118 119 /** 120 * ext_password - Whether password is a name for external storage 121 */ 122 int ext_password; 123 124 /** 125 * ca_cert - CA certificate for Interworking network selection 126 */ 127 char *ca_cert; 128 129 /** 130 * client_cert - File path to client certificate file (PEM/DER) 131 * 132 * This field is used with Interworking networking selection for a case 133 * where client certificate/private key is used for authentication 134 * (EAP-TLS). Full path to the file should be used since working 135 * directory may change when wpa_supplicant is run in the background. 136 * 137 * Alternatively, a named configuration blob can be used by setting 138 * this to blob://blob_name. 139 */ 140 char *client_cert; 141 142 /** 143 * private_key - File path to client private key file (PEM/DER/PFX) 144 * 145 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be 146 * commented out. Both the private key and certificate will be read 147 * from the PKCS#12 file in this case. Full path to the file should be 148 * used since working directory may change when wpa_supplicant is run 149 * in the background. 150 * 151 * Windows certificate store can be used by leaving client_cert out and 152 * configuring private_key in one of the following formats: 153 * 154 * cert://substring_to_match 155 * 156 * hash://certificate_thumbprint_in_hex 157 * 158 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4" 159 * 160 * Note that when running wpa_supplicant as an application, the user 161 * certificate store (My user account) is used, whereas computer store 162 * (Computer account) is used when running wpasvc as a service. 163 * 164 * Alternatively, a named configuration blob can be used by setting 165 * this to blob://blob_name. 166 */ 167 char *private_key; 168 169 /** 170 * private_key_passwd - Password for private key file 171 */ 172 char *private_key_passwd; 173 174 /** 175 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format 176 */ 177 char *imsi; 178 179 /** 180 * milenage - Milenage parameters for SIM/USIM simulator in 181 * <Ki>:<OPc>:<SQN> format 182 */ 183 char *milenage; 184 185 /** 186 * imsi_privacy_cert - IMSI privacy certificate 187 * 188 * This field is used with EAP-SIM/AKA/AKA' to encrypt the permanent 189 * identity (IMSI) to improve privacy. The referenced PEM-encoded 190 * X.509v3 certificate needs to include a 2048-bit RSA public key and 191 * this is from the operator who authenticates the SIM/USIM. 192 */ 193 char *imsi_privacy_cert; 194 195 /** 196 * imsi_privacy_attr - IMSI privacy attribute 197 * 198 * This field is used to help the EAP-SIM/AKA/AKA' server to identify 199 * the used certificate (and as such, the matching private key). This 200 * is set to an attribute in name=value format if the operator needs 201 * this information. 202 */ 203 char *imsi_privacy_attr; 204 205 /** 206 * strict_conservative_peer_mode - Whether the strict conservative peer 207 * mode is enabled or not 208 * 209 * This field is used to handle the reponse of AT_PERMANENT_ID_REQ 210 * for EAP-SIM/AKA/AKA', in convervative peer mode, a client error would 211 * be sent to the server, but it allows to send the permanent identity 212 * in some special cases according to 4.6.2 of RFC 4187; With the strict 213 * mode, it never send the permanent identity to server for privacy concern. 214 */ 215 int strict_conservative_peer_mode; 216 217 /** 218 * engine - Use an engine for private key operations 219 */ 220 int engine; 221 222 /** 223 * engine_id - String identifying the engine to use 224 */ 225 char *engine_id; 226 227 /** 228 * ca_cert_id - The CA certificate identifier when using an engine 229 */ 230 char *ca_cert_id; 231 232 /** 233 * cert_id - The certificate identifier when using an engine 234 */ 235 char *cert_id; 236 237 /** 238 * key_id - The private key identifier when using an engine 239 */ 240 char *key_id; 241 242 /** 243 * domain_suffix_match - Constraint for server domain name 244 * 245 * If set, this FQDN is used as a suffix match requirement for the AAA 246 * server certificate in SubjectAltName dNSName element(s). If a 247 * matching dNSName is found, this constraint is met. If no dNSName 248 * values are present, this constraint is matched against SubjectName CN 249 * using same suffix match comparison. Suffix match here means that the 250 * host/domain name is compared one label at a time starting from the 251 * top-level domain and all the labels in @domain_suffix_match shall be 252 * included in the certificate. The certificate may include additional 253 * sub-level labels in addition to the required labels. 254 * 255 * For example, domain_suffix_match=example.com would match 256 * test.example.com but would not match test-example.com. 257 */ 258 char *domain_suffix_match; 259 260 /** 261 * domain - Home service provider FQDN(s) 262 * 263 * This is used to compare against the Domain Name List to figure out 264 * whether the AP is operated by the Home SP. Multiple domain entries 265 * can be used to configure alternative FQDNs that will be considered 266 * home networks. 267 */ 268 char **domain; 269 270 /** 271 * num_domain - Number of FQDNs in the domain array 272 */ 273 size_t num_domain; 274 275 /** 276 * home_ois - Home OIs 277 * 278 * If num_home_ois is non-zero, this field contains the set of Home OIs 279 * that can be use to determine which access points support 280 * authentication with this credential. These are an alternative to the 281 * use of the realm parameter. When using Home OIs to match the network, 282 * the EAP parameters need to be pre-configured with the credentials 283 * since the NAI Realm information may not be available or fetched. 284 * A successful authentication with the access point is possible as soon 285 * as at least one Home OI from the list matches an OI in the Roaming 286 * Consortium list advertised by the access point. 287 * (Hotspot 2.0 PerProviderSubscription/<X+>/HomeSP/HomeOIList/<X+>/HomeOI) 288 */ 289 u8 home_ois[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN]; 290 291 /** 292 * home_ois_len - Length of home_ois[i] 293 */ 294 size_t home_ois_len[MAX_ROAMING_CONS]; 295 296 /** 297 * num_home_ois - Number of entries in home_ois 298 */ 299 unsigned int num_home_ois; 300 301 /** 302 * required_home_ois - Required Home OI(s) 303 * 304 * If required_home_ois_len is non-zero, this field contains the set of 305 * Home OI(s) that are required to be advertised by the AP for the 306 * credential to be considered matching. 307 * (Hotspot 2.0 PerProviderSubscription/<X+>/HomeSP/HomeOIList/<X+>/HomeOIRequired) 308 */ 309 u8 required_home_ois[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN]; 310 311 /** 312 * required_home_ois_len - Length of required_home_ois 313 */ 314 size_t required_home_ois_len[MAX_ROAMING_CONS]; 315 316 /** 317 * num_required_home_ois - Number of entries in required_home_ois 318 */ 319 unsigned int num_required_home_ois; 320 321 /** 322 * roaming_consortiums - Roaming Consortium OI(s) memberships 323 * 324 * This field contains one or more OIs identifying the roaming 325 * consortiums of which the provider is a member. The list is sorted 326 * from the most preferred one to the least preferred one. A match 327 * between the Roaming Consortium OIs advertised by an AP and the OIs 328 * in this list indicates that successful authentication is possible. 329 * (Hotspot 2.0 PerProviderSubscription/<X+>/HomeSP/RoamingConsortiumOI) 330 */ 331 u8 roaming_consortiums[MAX_ROAMING_CONS][MAX_ROAMING_CONS_OI_LEN]; 332 333 /** 334 * roaming_consortiums_len - Length on roaming_consortiums[i] 335 */ 336 size_t roaming_consortiums_len[MAX_ROAMING_CONS]; 337 338 /** 339 * num_roaming_consortiums - Number of entries in roaming_consortiums 340 */ 341 unsigned int num_roaming_consortiums; 342 343 /** 344 * eap_method - EAP method to use 345 * 346 * Pre-configured EAP method to use with this credential or %NULL to 347 * indicate no EAP method is selected, i.e., the method will be 348 * selected automatically based on ANQP information. 349 */ 350 struct eap_method_type *eap_method; 351 352 /** 353 * phase1 - Phase 1 (outer authentication) parameters 354 * 355 * Pre-configured EAP parameters or %NULL. 356 */ 357 char *phase1; 358 359 /** 360 * phase2 - Phase 2 (inner authentication) parameters 361 * 362 * Pre-configured EAP parameters or %NULL. 363 */ 364 char *phase2; 365 366 struct excluded_ssid { 367 u8 ssid[SSID_MAX_LEN]; 368 size_t ssid_len; 369 } *excluded_ssid; 370 size_t num_excluded_ssid; 371 372 struct roaming_partner { 373 char fqdn[128]; 374 int exact_match; 375 u8 priority; 376 char country[3]; 377 } *roaming_partner; 378 size_t num_roaming_partner; 379 380 int update_identifier; 381 382 /** 383 * provisioning_sp - FQDN of the SP that provisioned the credential 384 */ 385 char *provisioning_sp; 386 387 /** 388 * sp_priority - Credential priority within a provisioning SP 389 * 390 * This is the priority of the credential among all credentials 391 * provisionined by the same SP (i.e., for entries that have identical 392 * provisioning_sp value). The range of this priority is 0-255 with 0 393 * being the highest and 255 the lower priority. 394 */ 395 int sp_priority; 396 397 unsigned int min_dl_bandwidth_home; 398 unsigned int min_ul_bandwidth_home; 399 unsigned int min_dl_bandwidth_roaming; 400 unsigned int min_ul_bandwidth_roaming; 401 402 /** 403 * max_bss_load - Maximum BSS Load Channel Utilization (1..255) 404 * This value is used as the maximum channel utilization for network 405 * selection purposes for home networks. If the AP does not advertise 406 * BSS Load or if the limit would prevent any connection, this 407 * constraint will be ignored. 408 */ 409 unsigned int max_bss_load; 410 411 size_t num_req_conn_capab; 412 u8 *req_conn_capab_proto; 413 int **req_conn_capab_port; 414 415 /** 416 * ocsp - Whether to use/require OCSP to check server certificate 417 * 418 * 0 = do not use OCSP stapling (TLS certificate status extension) 419 * 1 = try to use OCSP stapling, but not require response 420 * 2 = require valid OCSP stapling response 421 */ 422 int ocsp; 423 424 /** 425 * sim_num - User selected SIM identifier 426 * 427 * This variable is used for identifying which SIM is used if the system 428 * has more than one. 429 */ 430 int sim_num; 431 }; 432 433 struct wpa_dev_ik { 434 /** 435 * next - Next device identity in the list 436 * 437 * This pointer can be used to iterate over all device identity keys. 438 * The head of this list is stored in the dev_ik field of struct 439 * wpa_config. 440 */ 441 struct wpa_dev_ik *next; 442 443 /** 444 * id - Unique id for the identity 445 * 446 * This identifier is used as a unique identifier for each identity 447 * block when using the control interface. Each identity is allocated 448 * an id when it is being created, either when reading the 449 * configuration file or when a new identity is added. 450 */ 451 int id; 452 453 /** 454 * dik_cipher - Device identity key cipher version 455 */ 456 int dik_cipher; 457 458 /** 459 * dik - Device identity key which is unique for the device 460 */ 461 struct wpabuf *dik; 462 463 /** 464 * pmk - PMK associated with the previous connection with the device 465 */ 466 struct wpabuf *pmk; 467 468 /** 469 * pmkid - PMKID used in the previous connection with the device 470 */ 471 struct wpabuf *pmkid; 472 }; 473 474 475 #define CFG_CHANGED_DEVICE_NAME BIT(0) 476 #define CFG_CHANGED_CONFIG_METHODS BIT(1) 477 #define CFG_CHANGED_DEVICE_TYPE BIT(2) 478 #define CFG_CHANGED_OS_VERSION BIT(3) 479 #define CFG_CHANGED_UUID BIT(4) 480 #define CFG_CHANGED_COUNTRY BIT(5) 481 #define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6) 482 #define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7) 483 #define CFG_CHANGED_WPS_STRING BIT(8) 484 #define CFG_CHANGED_P2P_INTRA_BSS BIT(9) 485 #define CFG_CHANGED_VENDOR_EXTENSION BIT(10) 486 #define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11) 487 #define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12) 488 #define CFG_CHANGED_P2P_PREF_CHAN BIT(13) 489 #define CFG_CHANGED_EXT_PW_BACKEND BIT(14) 490 #define CFG_CHANGED_NFC_PASSWORD_TOKEN BIT(15) 491 #define CFG_CHANGED_P2P_PASSPHRASE_LEN BIT(16) 492 #define CFG_CHANGED_SCHED_SCAN_PLANS BIT(17) 493 #define CFG_CHANGED_WOWLAN_TRIGGERS BIT(18) 494 #define CFG_CHANGED_DISABLE_BTM BIT(19) 495 #define CFG_CHANGED_BGSCAN BIT(20) 496 #define CFG_CHANGED_FT_PREPEND_PMKID BIT(21) 497 #define CFG_CHANGED_DISABLE_BTM_NOTIFY BIT(22) 498 499 /** 500 * struct wpa_config - wpa_supplicant configuration data 501 * 502 * This data structure is presents the per-interface (radio) configuration 503 * data. In many cases, there is only one struct wpa_config instance, but if 504 * more than one network interface is being controlled, one instance is used 505 * for each. 506 */ 507 struct wpa_config { 508 /** 509 * ssid - Head of the global network list 510 * 511 * This is the head for the list of all the configured networks. 512 */ 513 struct wpa_ssid *ssid; 514 515 /** 516 * pssid - Per-priority network lists (in priority order) 517 */ 518 struct wpa_ssid **pssid; 519 520 /** 521 * num_prio - Number of different priorities used in the pssid lists 522 * 523 * This indicates how many per-priority network lists are included in 524 * pssid. 525 */ 526 size_t num_prio; 527 528 /** 529 * cred - Head of the credential list 530 * 531 * This is the head for the list of all the configured credentials. 532 */ 533 struct wpa_cred *cred; 534 535 /** 536 * eapol_version - IEEE 802.1X/EAPOL version number 537 * 538 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which 539 * defines EAPOL version 2. However, there are many APs that do not 540 * handle the new version number correctly (they seem to drop the 541 * frames completely). In order to make wpa_supplicant interoperate 542 * with these APs, the version number is set to 1 by default. This 543 * configuration value can be used to set it to the new version (2). 544 */ 545 int eapol_version; 546 547 /** 548 * ap_scan - AP scanning/selection 549 * 550 * By default, wpa_supplicant requests driver to perform AP 551 * scanning and then uses the scan results to select a 552 * suitable AP. Another alternative is to allow the driver to 553 * take care of AP scanning and selection and use 554 * wpa_supplicant just to process EAPOL frames based on IEEE 555 * 802.11 association information from the driver. 556 * 557 * 1: wpa_supplicant initiates scanning and AP selection (default). 558 * 559 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11 560 * association parameters (e.g., WPA IE generation); this mode can 561 * also be used with non-WPA drivers when using IEEE 802.1X mode; 562 * do not try to associate with APs (i.e., external program needs 563 * to control association). This mode must also be used when using 564 * wired Ethernet drivers. 565 * 566 * 2: like 0, but associate with APs using security policy and SSID 567 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS 568 * drivers to enable operation with hidden SSIDs and optimized roaming; 569 * in this mode, the network blocks in the configuration are tried 570 * one by one until the driver reports successful association; each 571 * network block should have explicit security policy (i.e., only one 572 * option in the lists) for key_mgmt, pairwise, group, proto variables. 573 * 574 * Note: ap_scan=2 should not be used with the nl80211 driver interface 575 * (the current Linux interface). ap_scan=1 is optimized work working 576 * with nl80211. For finding networks using hidden SSID, scan_ssid=1 in 577 * the network block can be used with nl80211. 578 */ 579 int ap_scan; 580 581 /** 582 * bgscan - Background scan and roaming parameters or %NULL if none 583 * 584 * This is an optional set of parameters for background scanning and 585 * roaming within a network (ESS). For more detailed information see 586 * ssid block documentation. 587 * 588 * The variable defines default bgscan behavior for all BSS station 589 * networks except for those which have their own bgscan configuration. 590 */ 591 char *bgscan; 592 593 /** 594 * disable_scan_offload - Disable automatic offloading of scan requests 595 * 596 * By default, %wpa_supplicant tries to offload scanning if the driver 597 * indicates support for this (sched_scan). This configuration 598 * parameter can be used to disable this offloading mechanism. 599 */ 600 int disable_scan_offload; 601 602 /** 603 * ctrl_interface - Parameters for the control interface 604 * 605 * If this is specified, %wpa_supplicant will open a control interface 606 * that is available for external programs to manage %wpa_supplicant. 607 * The meaning of this string depends on which control interface 608 * mechanism is used. For all cases, the existence of this parameter 609 * in configuration is used to determine whether the control interface 610 * is enabled. 611 * 612 * For UNIX domain sockets (default on Linux and BSD): This is a 613 * directory that will be created for UNIX domain sockets for listening 614 * to requests from external programs (CLI/GUI, etc.) for status 615 * information and configuration. The socket file will be named based 616 * on the interface name, so multiple %wpa_supplicant processes can be 617 * run at the same time if more than one interface is used. 618 * /var/run/wpa_supplicant is the recommended directory for sockets and 619 * by default, wpa_cli will use it when trying to connect with 620 * %wpa_supplicant. 621 * 622 * Access control for the control interface can be configured 623 * by setting the directory to allow only members of a group 624 * to use sockets. This way, it is possible to run 625 * %wpa_supplicant as root (since it needs to change network 626 * configuration and open raw sockets) and still allow GUI/CLI 627 * components to be run as non-root users. However, since the 628 * control interface can be used to change the network 629 * configuration, this access needs to be protected in many 630 * cases. By default, %wpa_supplicant is configured to use gid 631 * 0 (root). If you want to allow non-root users to use the 632 * control interface, add a new group and change this value to 633 * match with that group. Add users that should have control 634 * interface access to this group. 635 * 636 * When configuring both the directory and group, use following format: 637 * DIR=/var/run/wpa_supplicant GROUP=wheel 638 * DIR=/var/run/wpa_supplicant GROUP=0 639 * (group can be either group name or gid) 640 * 641 * For UDP connections (default on Windows): The value will be ignored. 642 * This variable is just used to select that the control interface is 643 * to be created. The value can be set to, e.g., udp 644 * (ctrl_interface=udp). 645 * 646 * For Windows Named Pipe: This value can be used to set the security 647 * descriptor for controlling access to the control interface. Security 648 * descriptor can be set using Security Descriptor String Format (see 649 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp). 650 * The descriptor string needs to be prefixed with SDDL=. For example, 651 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject 652 * all connections). 653 */ 654 char *ctrl_interface; 655 656 /** 657 * ctrl_interface_group - Control interface group (DEPRECATED) 658 * 659 * This variable is only used for backwards compatibility. Group for 660 * UNIX domain sockets should now be specified using GROUP=group in 661 * ctrl_interface variable. 662 */ 663 char *ctrl_interface_group; 664 665 /** 666 * fast_reauth - EAP fast re-authentication (session resumption) 667 * 668 * By default, fast re-authentication is enabled for all EAP methods 669 * that support it. This variable can be used to disable fast 670 * re-authentication (by setting fast_reauth=0). Normally, there is no 671 * need to disable fast re-authentication. 672 */ 673 int fast_reauth; 674 675 #ifndef CONFIG_OPENSC_ENGINE_PATH 676 /** 677 * opensc_engine_path - Path to the OpenSSL engine for opensc 678 * 679 * This is an OpenSSL specific configuration option for loading OpenSC 680 * engine (engine_opensc.so); if %NULL, this engine is not loaded. 681 */ 682 char *opensc_engine_path; 683 #endif /* CONFIG_OPENSC_ENGINE_PATH */ 684 685 #ifndef CONFIG_PKCS11_ENGINE_PATH 686 /** 687 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11 688 * 689 * This is an OpenSSL specific configuration option for loading PKCS#11 690 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded. 691 */ 692 char *pkcs11_engine_path; 693 #endif /* CONFIG_PKCS11_ENGINE_PATH */ 694 695 #ifndef CONFIG_PKCS11_MODULE_PATH 696 /** 697 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module 698 * 699 * This is an OpenSSL specific configuration option for configuring 700 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this 701 * module is not loaded. 702 */ 703 char *pkcs11_module_path; 704 #endif /* CONFIG_PKCS11_MODULE_PATH */ 705 706 /** 707 * openssl_ciphers - OpenSSL cipher string 708 * 709 * This is an OpenSSL specific configuration option for configuring the 710 * default ciphers. If not set, "DEFAULT:!EXP:!LOW" is used as the 711 * default. 712 */ 713 char *openssl_ciphers; 714 715 /** 716 * pcsc_reader - PC/SC reader name prefix 717 * 718 * If not %NULL, PC/SC reader with a name that matches this prefix is 719 * initialized for SIM/USIM access. Empty string can be used to match 720 * the first available reader. 721 */ 722 char *pcsc_reader; 723 724 /** 725 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards 726 * 727 * This field is used to configure PIN for SIM/USIM for EAP-SIM and 728 * EAP-AKA. If left out, this will be asked through control interface. 729 */ 730 char *pcsc_pin; 731 732 /** 733 * external_sim - Use external processing for SIM/USIM operations 734 */ 735 int external_sim; 736 737 /** 738 * driver_param - Driver interface parameters 739 * 740 * This text string is passed to the selected driver interface with the 741 * optional struct wpa_driver_ops::set_param() handler. This can be 742 * used to configure driver specific options without having to add new 743 * driver interface functionality. 744 */ 745 char *driver_param; 746 747 /** 748 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK 749 * 750 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK 751 * cache (unit: seconds). 752 */ 753 unsigned int dot11RSNAConfigPMKLifetime; 754 755 /** 756 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold 757 * 758 * dot11 MIB variable for the percentage of the PMK lifetime 759 * that should expire before an IEEE 802.1X reauthentication occurs. 760 */ 761 unsigned int dot11RSNAConfigPMKReauthThreshold; 762 763 /** 764 * dot11RSNAConfigSATimeout - Security association timeout 765 * 766 * dot11 MIB variable for the maximum time a security association 767 * shall take to set up (unit: seconds). 768 */ 769 unsigned int dot11RSNAConfigSATimeout; 770 771 /** 772 * ft_prepend_pmkid - Whether to prepend PMKR1Name with PMKIDs 773 * 774 * This control whether PMKR1Name is prepended to the PMKID list 775 * insread of replacing the full list when constructing RSNE for 776 * EAPOL-Key msg 2/4 for FT cases. */ 777 bool ft_prepend_pmkid; 778 779 /** 780 * update_config - Is wpa_supplicant allowed to update configuration 781 * 782 * This variable control whether wpa_supplicant is allow to re-write 783 * its configuration with wpa_config_write(). If this is zero, 784 * configuration data is only changed in memory and the external data 785 * is not overridden. If this is non-zero, wpa_supplicant will update 786 * the configuration data (e.g., a file) whenever configuration is 787 * changed. This update may replace the old configuration which can 788 * remove comments from it in case of a text file configuration. 789 */ 790 int update_config; 791 792 /** 793 * blobs - Configuration blobs 794 */ 795 struct wpa_config_blob *blobs; 796 797 /** 798 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS 799 */ 800 u8 uuid[16]; 801 802 /** 803 * auto_uuid - Automatic UUID behavior 804 * 0 = generate static value based on the local MAC address (default) 805 * 1 = generate a random UUID every time wpa_supplicant starts 806 */ 807 int auto_uuid; 808 809 /** 810 * device_name - Device Name (WPS) 811 * User-friendly description of device; up to 32 octets encoded in 812 * UTF-8 813 */ 814 char *device_name; 815 816 /** 817 * manufacturer - Manufacturer (WPS) 818 * The manufacturer of the device (up to 64 ASCII characters) 819 */ 820 char *manufacturer; 821 822 /** 823 * model_name - Model Name (WPS) 824 * Model of the device (up to 32 ASCII characters) 825 */ 826 char *model_name; 827 828 /** 829 * model_number - Model Number (WPS) 830 * Additional device description (up to 32 ASCII characters) 831 */ 832 char *model_number; 833 834 /** 835 * serial_number - Serial Number (WPS) 836 * Serial number of the device (up to 32 characters) 837 */ 838 char *serial_number; 839 840 /** 841 * device_type - Primary Device Type (WPS) 842 */ 843 u8 device_type[WPS_DEV_TYPE_LEN]; 844 845 /** 846 * config_methods - Config Methods 847 * 848 * This is a space-separated list of supported WPS configuration 849 * methods. For example, "label virtual_display virtual_push_button 850 * keypad". 851 * Available methods: usba ethernet label display ext_nfc_token 852 * int_nfc_token nfc_interface push_button keypad 853 * virtual_display physical_display 854 * virtual_push_button physical_push_button. 855 */ 856 char *config_methods; 857 858 /** 859 * os_version - OS Version (WPS) 860 * 4-octet operating system version number 861 */ 862 u8 os_version[4]; 863 864 /** 865 * country - Country code 866 * 867 * This is the ISO/IEC alpha2 country code for which we are operating 868 * in 869 */ 870 char country[2]; 871 872 /** 873 * wps_cred_processing - Credential processing 874 * 875 * 0 = process received credentials internally 876 * 1 = do not process received credentials; just pass them over 877 * ctrl_iface to external program(s) 878 * 2 = process received credentials internally and pass them over 879 * ctrl_iface to external program(s) 880 */ 881 int wps_cred_processing; 882 883 /** 884 * wps_cred_add_sae - Whether to enable SAE automatically for WPS 885 * 886 * 0 = only add the explicitly listed WPA2-PSK configuration 887 * 1 = add both the WPA2-PSK and SAE configuration and enable PMF so 888 * that the station gets configured in WPA3-Personal transition mode 889 * (supports both WPA2-Personal (PSK) and WPA3-Personal (SAE) APs). 890 */ 891 int wps_cred_add_sae; 892 893 #define MAX_SEC_DEVICE_TYPES 5 894 /** 895 * sec_device_types - Secondary Device Types (P2P) 896 */ 897 u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN]; 898 int num_sec_device_types; 899 900 int p2p_listen_reg_class; 901 int p2p_listen_channel; 902 int p2p_oper_reg_class; 903 int p2p_oper_channel; 904 int p2p_go_intent; 905 char *p2p_ssid_postfix; 906 int persistent_reconnect; 907 int p2p_intra_bss; 908 unsigned int num_p2p_pref_chan; 909 struct p2p_channel *p2p_pref_chan; 910 struct wpa_freq_range_list p2p_no_go_freq; 911 int p2p_add_cli_chan; 912 int p2p_ignore_shared_freq; 913 int p2p_optimize_listen_chan; 914 int p2p_6ghz_disable; 915 int p2p_dfs_chan_enable; 916 bool p2p_pairing_setup; 917 bool p2p_pairing_cache; 918 int p2p_bootstrap_methods; 919 int p2p_pasn_type; 920 int p2p_comeback_after; 921 bool p2p_twt_power_mgmt; 922 bool p2p_chan_switch_req_enable; 923 int p2p_reg_info; 924 925 struct wpabuf *wps_vendor_ext_m1; 926 927 #define MAX_WPS_VENDOR_EXT 10 928 /** 929 * wps_vendor_ext - Vendor extension attributes in WPS 930 */ 931 struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT]; 932 933 /** 934 * p2p_group_idle - Maximum idle time in seconds for P2P group 935 * 936 * This value controls how long a P2P group is maintained after there 937 * is no other members in the group. As a GO, this means no associated 938 * stations in the group. As a P2P client, this means no GO seen in 939 * scan results. The maximum idle time is specified in seconds with 0 940 * indicating no time limit, i.e., the P2P group remains in active 941 * state indefinitely until explicitly removed. As a P2P client, the 942 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e., 943 * this parameter is mainly meant for GO use and for P2P client, it can 944 * only be used to reduce the default timeout to smaller value. A 945 * special value -1 can be used to configure immediate removal of the 946 * group for P2P client role on any disconnection after the data 947 * connection has been established. 948 */ 949 int p2p_group_idle; 950 951 /** 952 * p2p_go_freq_change_policy - The GO frequency change policy 953 * 954 * This controls the behavior of the GO when there is a change in the 955 * map of the currently used frequencies in case more than one channel 956 * is supported. 957 * 958 * @P2P_GO_FREQ_MOVE_SCM: Prefer working in a single channel mode if 959 * possible. In case the GO is the only interface using its frequency 960 * and there are other station interfaces on other frequencies, the GO 961 * will migrate to one of these frequencies. 962 * 963 * @P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS: Same as P2P_GO_FREQ_MOVE_SCM, 964 * but a transition is possible only in case one of the other used 965 * frequencies is one of the frequencies in the intersection of the 966 * frequency list of the local device and the peer device. 967 * 968 * @P2P_GO_FREQ_MOVE_STAY: Prefer to stay on the current frequency. 969 * 970 * @P2P_GO_FREQ_MOVE_SCM_ECSA: Same as 971 * P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS but a transition is possible only 972 * if all the group members advertise eCSA support. 973 */ 974 enum { 975 P2P_GO_FREQ_MOVE_SCM = 0, 976 P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS = 1, 977 P2P_GO_FREQ_MOVE_STAY = 2, 978 P2P_GO_FREQ_MOVE_SCM_ECSA = 3, 979 P2P_GO_FREQ_MOVE_MAX = P2P_GO_FREQ_MOVE_SCM_ECSA, 980 } p2p_go_freq_change_policy; 981 982 #define DEFAULT_P2P_GO_FREQ_MOVE P2P_GO_FREQ_MOVE_STAY 983 984 /** 985 * p2p_passphrase_len - Passphrase length (8..63) for P2P GO 986 * 987 * This parameter controls the length of the random passphrase that is 988 * generated at the GO. 989 */ 990 unsigned int p2p_passphrase_len; 991 992 /** 993 * bss_max_count - Maximum number of BSS entries to keep in memory 994 */ 995 unsigned int bss_max_count; 996 997 /** 998 * bss_expiration_age - BSS entry age after which it can be expired 999 * 1000 * This value controls the time in seconds after which a BSS entry 1001 * gets removed if it has not been updated or is not in use. 1002 */ 1003 unsigned int bss_expiration_age; 1004 1005 /** 1006 * bss_expiration_scan_count - Expire BSS after number of scans 1007 * 1008 * If the BSS entry has not been seen in this many scans, it will be 1009 * removed. A value of 1 means that entry is removed after the first 1010 * scan in which the BSSID is not seen. Larger values can be used 1011 * to avoid BSS entries disappearing if they are not visible in 1012 * every scan (e.g., low signal quality or interference). 1013 */ 1014 unsigned int bss_expiration_scan_count; 1015 1016 /** 1017 * filter_ssids - SSID-based scan result filtering 1018 * 1019 * 0 = do not filter scan results 1020 * 1 = only include configured SSIDs in scan results/BSS table 1021 */ 1022 int filter_ssids; 1023 1024 /** 1025 * filter_rssi - RSSI-based scan result filtering 1026 * 1027 * 0 = do not filter scan results 1028 * -n = filter scan results below -n dBm 1029 */ 1030 int filter_rssi; 1031 1032 /** 1033 * max_num_sta - Maximum number of STAs in an AP/P2P GO 1034 */ 1035 unsigned int max_num_sta; 1036 1037 /** 1038 * ap_isolate - Whether to use client isolation feature 1039 * 1040 * Client isolation can be used to prevent low-level bridging of 1041 * frames between associated stations in the BSS. By default, 1042 * this bridging is allowed (ap_isolate=0); except in P2P GO case, 1043 * where p2p_intra_bss parameter is used to determine whether to allow 1044 * intra-BSS forwarding (ap_isolate = !p2p_intra_bss). 1045 * 1046 * 0 = do not enable AP isolation 1047 * 1 = enable AP isolation 1048 */ 1049 int ap_isolate; 1050 1051 /** 1052 * freq_list - Array of allowed scan frequencies or %NULL for all 1053 * 1054 * This is an optional zero-terminated array of frequencies in 1055 * megahertz (MHz) to allow for narrowing scanning range. 1056 */ 1057 int *freq_list; 1058 1059 /** 1060 * initial_freq_list - like freq_list but for initial scan 1061 * 1062 * This is an optional zero-terminated array of frequencies in 1063 * megahertz (MHz) to allow for narrowing scanning range when 1064 * the application is started. 1065 * 1066 * This can be used to speed up initial connection time if the 1067 * channel is known ahead of time, without limiting the scanned 1068 * frequencies during normal use. 1069 */ 1070 int *initial_freq_list; 1071 1072 /** 1073 * scan_cur_freq - Whether to scan only the current channel 1074 * 1075 * If true, attempt to scan only the current channel if any other 1076 * VIFs on this radio are already associated on a particular channel. 1077 */ 1078 int scan_cur_freq; 1079 1080 /** 1081 * scan_res_valid_for_connect - Seconds scans are valid for association 1082 * 1083 * This configures the number of seconds old scan results are considered 1084 * valid for association. When scan results are older than this value 1085 * a new scan is triggered prior to the association. 1086 */ 1087 int scan_res_valid_for_connect; 1088 1089 /** 1090 * changed_parameters - Bitmap of changed parameters since last update 1091 */ 1092 unsigned int changed_parameters; 1093 1094 /** 1095 * disassoc_low_ack - Disassociate stations with massive packet loss 1096 */ 1097 int disassoc_low_ack; 1098 1099 /** 1100 * interworking - Whether Interworking (IEEE 802.11u) is enabled 1101 */ 1102 int interworking; 1103 1104 /** 1105 * access_network_type - Access Network Type 1106 * 1107 * When Interworking is enabled, scans will be limited to APs that 1108 * advertise the specified Access Network Type (0..15; with 15 1109 * indicating wildcard match). 1110 */ 1111 int access_network_type; 1112 1113 /** 1114 * go_interworking - Whether Interworking for P2P GO is enabled 1115 */ 1116 int go_interworking; 1117 1118 /** 1119 * go_access_network_type - P2P GO Access Network Type 1120 * 1121 * This indicates which access network type to advertise if Interworking 1122 * is enabled for P2P GO. 1123 */ 1124 int go_access_network_type; 1125 1126 /** 1127 * go_internet - Interworking: Internet connectivity (0 or 1) 1128 */ 1129 int go_internet; 1130 1131 /** 1132 * go_venue_group - Interworking: Venue group 1133 */ 1134 int go_venue_group; 1135 1136 /** 1137 * go_venue_type: Interworking: Venue type 1138 */ 1139 int go_venue_type; 1140 1141 /** 1142 * hessid - Homogeneous ESS identifier 1143 * 1144 * If this is set (any octet is non-zero), scans will be used to 1145 * request response only from BSSes belonging to the specified 1146 * Homogeneous ESS. This is used only if interworking is enabled. 1147 */ 1148 u8 hessid[ETH_ALEN]; 1149 1150 /** 1151 * hs20 - Hotspot 2.0 1152 */ 1153 int hs20; 1154 1155 /** 1156 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7 1157 * 1158 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities 1159 * by acting as a Registrar and using M1 from the AP. The config 1160 * methods attribute in that message is supposed to indicate only the 1161 * configuration method supported by the AP in Enrollee role, i.e., to 1162 * add an external Registrar. For that case, PBC shall not be used and 1163 * as such, the PushButton config method is removed from M1 by default. 1164 * If pbc_in_m1=1 is included in the configuration file, the PushButton 1165 * config method is left in M1 (if included in config_methods 1166 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from 1167 * a label in the AP). 1168 */ 1169 int pbc_in_m1; 1170 1171 /** 1172 * autoscan - Automatic scan parameters or %NULL if none 1173 * 1174 * This is an optional set of parameters for automatic scanning 1175 * within an interface in following format: 1176 * <autoscan module name>:<module parameters> 1177 */ 1178 char *autoscan; 1179 1180 /** 1181 * wps_nfc_pw_from_config - NFC Device Password was read from config 1182 * 1183 * This parameter can be determined whether the NFC Device Password was 1184 * included in the configuration (1) or generated dynamically (0). Only 1185 * the former case is re-written back to the configuration file. 1186 */ 1187 int wps_nfc_pw_from_config; 1188 1189 /** 1190 * wps_nfc_dev_pw_id - NFC Device Password ID for password token 1191 */ 1192 int wps_nfc_dev_pw_id; 1193 1194 /** 1195 * wps_nfc_dh_pubkey - NFC DH Public Key for password token 1196 */ 1197 struct wpabuf *wps_nfc_dh_pubkey; 1198 1199 /** 1200 * wps_nfc_dh_privkey - NFC DH Private Key for password token 1201 */ 1202 struct wpabuf *wps_nfc_dh_privkey; 1203 1204 /** 1205 * wps_nfc_dev_pw - NFC Device Password for password token 1206 */ 1207 struct wpabuf *wps_nfc_dev_pw; 1208 1209 /** 1210 * ext_password_backend - External password backend or %NULL if none 1211 * 1212 * format: <backend name>[:<optional backend parameters>] 1213 */ 1214 char *ext_password_backend; 1215 1216 /* 1217 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity 1218 * 1219 * This timeout value is used in P2P GO mode to clean up 1220 * inactive stations. 1221 * By default: 300 seconds. 1222 */ 1223 int p2p_go_max_inactivity; 1224 1225 struct hostapd_wmm_ac_params wmm_ac_params[4]; 1226 struct hostapd_tx_queue_params tx_queue[4]; 1227 1228 /** 1229 * auto_interworking - Whether to use network selection automatically 1230 * 1231 * 0 = do not automatically go through Interworking network selection 1232 * (i.e., require explicit interworking_select command for this) 1233 * 1 = perform Interworking network selection if one or more 1234 * credentials have been configured and scan did not find a 1235 * matching network block 1236 */ 1237 int auto_interworking; 1238 1239 /** 1240 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO. 1241 * 1242 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 1243 * Note that regulatory constraints and driver capabilities are 1244 * consulted anyway, so setting it to 1 can't do real harm. 1245 * By default: 0 (disabled) 1246 */ 1247 int p2p_go_ht40; 1248 1249 /** 1250 * p2p_go_vht - Default mode for VHT enable when operating as GO 1251 * 1252 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 1253 * Note that regulatory constraints and driver capabilities are 1254 * consulted anyway, so setting it to 1 can't do real harm. 1255 * By default: 0 (disabled) 1256 */ 1257 int p2p_go_vht; 1258 1259 /** 1260 * p2p_go_edmg - Default mode for EDMG enable when operating as GO 1261 * 1262 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 1263 * Note that regulatory constraints and driver capabilities are 1264 * consulted anyway, so setting it to 1 can't do real harm. 1265 * By default: 0 (disabled) 1266 */ 1267 int p2p_go_edmg; 1268 1269 /** 1270 * p2p_go_he - Default mode for 11ax HE enable when operating as GO 1271 * 1272 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 1273 * Note that regulatory constraints and driver capabilities are 1274 * consulted anyway, so setting it to 1 can't do real harm. 1275 * By default: 0 (disabled) 1276 */ 1277 int p2p_go_he; 1278 1279 /** 1280 * p2p_go_ctwindow - CTWindow to use when operating as GO 1281 * 1282 * By default: 0 (no CTWindow). Values 0-127 can be used to indicate 1283 * the length of the CTWindow in TUs. 1284 */ 1285 int p2p_go_ctwindow; 1286 1287 /** 1288 * p2p_disabled - Whether P2P operations are disabled for this interface 1289 */ 1290 int p2p_disabled; 1291 1292 /** 1293 * p2p_no_group_iface - Whether group interfaces can be used 1294 * 1295 * By default, wpa_supplicant will create a separate interface for P2P 1296 * group operations if the driver supports this. This functionality can 1297 * be disabled by setting this parameter to 1. In that case, the same 1298 * interface that was used for the P2P management operations is used 1299 * also for the group operation. 1300 */ 1301 int p2p_no_group_iface; 1302 1303 /** 1304 * p2p_cli_probe - Enable/disable P2P CLI probe request handling 1305 * 1306 * If this parameter is set to 1, a connected P2P Client will receive 1307 * and handle Probe Request frames. Setting this parameter to 0 1308 * disables this option. Default value: 0. 1309 * 1310 * Note: Setting this property at run time takes effect on the following 1311 * interface state transition to/from the WPA_COMPLETED state. 1312 */ 1313 int p2p_cli_probe; 1314 1315 /** 1316 * okc - Whether to enable opportunistic key caching by default 1317 * 1318 * By default, OKC is disabled unless enabled by the per-network 1319 * proactive_key_caching=1 parameter. okc=1 can be used to change this 1320 * default behavior. 1321 */ 1322 int okc; 1323 1324 /** 1325 * pmf - Whether to enable/require PMF by default 1326 * 1327 * By default, PMF is disabled unless enabled by the per-network 1328 * ieee80211w=1 or ieee80211w=2 parameter. pmf=1/2 can be used to change 1329 * this default behavior for RSN network (this is not applicable for 1330 * non-RSN cases). 1331 */ 1332 enum mfp_options pmf; 1333 1334 /** 1335 * sae_check_mfp - Whether to limit SAE based on PMF capabilities 1336 * 1337 * With this check SAE key_mgmt will not be selected if PMF is 1338 * not enabled. 1339 * Scenarios where enabling this check will limit SAE: 1340 * 1) ieee8011w=0 is set for the network. 1341 * 2) The AP does not have PMF enabled. 1342 * 3) ieee8011w for the network is the default(3), pmf=1 is enabled 1343 * globally and the device does not support the BIP cipher. 1344 * 1345 * Useful to allow the BIP cipher check that occurs for ieee80211w=3 1346 * and pmf=1 to also avoid using SAE key_mgmt. 1347 * Useful when hardware does not support BIP to still to allow 1348 * connecting to sae_require_mfp=1 WPA2+WPA3-Personal transition mode 1349 *access points by automatically selecting PSK instead of SAE. 1350 */ 1351 int sae_check_mfp; 1352 1353 /** 1354 * sae_groups - Preference list of enabled groups for SAE 1355 * 1356 * By default (if this parameter is not set), the mandatory group 19 1357 * (ECC group defined over a 256-bit prime order field) is preferred, 1358 * but other groups are also enabled. If this parameter is set, the 1359 * groups will be tried in the indicated order. 1360 */ 1361 int *sae_groups; 1362 1363 /** 1364 * sae_pwe - SAE mechanism for PWE derivation 1365 * 0 = hunting-and-pecking loop only 1366 * 1 = hash-to-element only 1367 * 2 = both hunting-and-pecking loop and hash-to-element enabled 1368 */ 1369 enum sae_pwe sae_pwe; 1370 1371 /** 1372 * sae_pmkid_in_assoc - Whether to include PMKID in SAE Assoc Req 1373 */ 1374 int sae_pmkid_in_assoc; 1375 1376 /** 1377 * dtim_period - Default DTIM period in Beacon intervals 1378 * 1379 * This parameter can be used to set the default value for network 1380 * blocks that do not specify dtim_period. 1381 */ 1382 int dtim_period; 1383 1384 /** 1385 * beacon_int - Default Beacon interval in TU 1386 * 1387 * This parameter can be used to set the default value for network 1388 * blocks that do not specify beacon_int. 1389 */ 1390 int beacon_int; 1391 1392 /** 1393 * ap_vendor_elements: Vendor specific elements for Beacon/ProbeResp 1394 * 1395 * This parameter can be used to define additional vendor specific 1396 * elements for Beacon and Probe Response frames in AP/P2P GO mode. The 1397 * format for these element(s) is a hexdump of the raw information 1398 * elements (id+len+payload for one or more elements). 1399 */ 1400 struct wpabuf *ap_vendor_elements; 1401 1402 /** 1403 * ap_assocresp_elements: Vendor specific elements for (Re)Association 1404 * Response frames 1405 * 1406 * This parameter can be used to define additional vendor specific 1407 * elements for (Re)Association Response frames in AP/P2P GO mode. The 1408 * format for these element(s) is a hexdump of the raw information 1409 * elements (id+len+payload for one or more elements). 1410 */ 1411 struct wpabuf *ap_assocresp_elements; 1412 1413 /** 1414 * ignore_old_scan_res - Ignore scan results older than request 1415 * 1416 * The driver may have a cache of scan results that makes it return 1417 * information that is older than our scan trigger. This parameter can 1418 * be used to configure such old information to be ignored instead of 1419 * allowing it to update the internal BSS table. 1420 */ 1421 int ignore_old_scan_res; 1422 1423 /** 1424 * sched_scan_interval - schedule scan interval 1425 */ 1426 unsigned int sched_scan_interval; 1427 1428 /** 1429 * sched_scan_start_delay - Schedule scan start delay before first scan 1430 * 1431 * Delay (in seconds) before scheduling first scan plan cycle. The 1432 * driver may ignore this parameter and start immediately (or at any 1433 * other time), if this feature is not supported. 1434 */ 1435 unsigned int sched_scan_start_delay; 1436 1437 /** 1438 * tdls_external_control - External control for TDLS setup requests 1439 * 1440 * Enable TDLS mode where external programs are given the control 1441 * to specify the TDLS link to get established to the driver. The 1442 * driver requests the TDLS setup to the supplicant only for the 1443 * specified TDLS peers. 1444 */ 1445 int tdls_external_control; 1446 1447 u8 ip_addr_go[4]; 1448 u8 ip_addr_mask[4]; 1449 u8 ip_addr_start[4]; 1450 u8 ip_addr_end[4]; 1451 1452 /** 1453 * wowlan_triggers - Wake-on-WLAN triggers 1454 * 1455 * If set, these wowlan triggers will be configured. 1456 */ 1457 char *wowlan_triggers; 1458 1459 /** 1460 * p2p_search_delay - Extra delay between concurrent search iterations 1461 * 1462 * Add extra delay (in milliseconds) between search iterations when 1463 * there is a concurrent operation to make p2p_find friendlier to 1464 * concurrent operations by avoiding it from taking 100% of radio 1465 * resources. 1466 */ 1467 unsigned int p2p_search_delay; 1468 1469 /** 1470 * mac_addr - MAC address policy default 1471 * 1472 * 0 = use permanent MAC address 1473 * 1 = use random MAC address for each ESS connection 1474 * 2 = like 1, but maintain OUI (with local admin bit set) 1475 * 1476 * By default, permanent MAC address is used unless policy is changed by 1477 * the per-network mac_addr parameter. Global mac_addr=1 can be used to 1478 * change this default behavior. 1479 */ 1480 enum wpas_mac_addr_style mac_addr; 1481 1482 /** 1483 * rand_addr_lifetime - Lifetime of random MAC address in seconds 1484 */ 1485 unsigned int rand_addr_lifetime; 1486 1487 /** 1488 * preassoc_mac_addr - Pre-association MAC address policy 1489 * 1490 * 0 = use permanent MAC address 1491 * 1 = use random MAC address 1492 * 2 = like 1, but maintain OUI (with local admin bit set) 1493 */ 1494 enum wpas_mac_addr_style preassoc_mac_addr; 1495 1496 /** 1497 * key_mgmt_offload - Use key management offload 1498 * 1499 * Key management offload should be used if the device supports it. 1500 * Key management offload is the capability of a device operating as 1501 * a station to do the exchange necessary to establish temporal keys 1502 * during initial RSN connection, after roaming, or during a PTK 1503 * rekeying operation. 1504 */ 1505 int key_mgmt_offload; 1506 1507 /** 1508 * user_mpm - MPM residency 1509 * 1510 * 0: MPM lives in driver. 1511 * 1: wpa_supplicant handles peering and station allocation. 1512 * 1513 * If AMPE or SAE is enabled, the MPM is always in userspace. 1514 */ 1515 int user_mpm; 1516 1517 /** 1518 * max_peer_links - Maximum number of peer links 1519 * 1520 * Maximum number of mesh peering currently maintained by the STA. 1521 */ 1522 int max_peer_links; 1523 1524 /** 1525 * cert_in_cb - Whether to include a peer certificate dump in events 1526 * 1527 * This controls whether peer certificates for authentication server and 1528 * its certificate chain are included in EAP peer certificate events. 1529 */ 1530 int cert_in_cb; 1531 1532 /** 1533 * mesh_max_inactivity - Timeout in seconds to detect STA inactivity 1534 * 1535 * This timeout value is used in mesh STA to clean up inactive stations. 1536 * By default: 300 seconds. 1537 */ 1538 int mesh_max_inactivity; 1539 1540 /** 1541 * mesh_fwding - Mesh network layer-2 forwarding (dot11MeshForwarding) 1542 * 1543 * This controls whether to enable layer-2 forwarding. 1544 * By default: 1: enabled 1545 */ 1546 int mesh_fwding; 1547 1548 /** 1549 * dot11RSNASAERetransPeriod - Timeout to retransmit SAE Auth frame 1550 * 1551 * This timeout value is used in mesh STA to retransmit 1552 * SAE Authentication frame. 1553 * By default: 1000 milliseconds. 1554 */ 1555 int dot11RSNASAERetransPeriod; 1556 1557 /** 1558 * passive_scan - Whether to force passive scan for network connection 1559 * 1560 * This parameter can be used to force only passive scanning to be used 1561 * for network connection cases. It should be noted that this will slow 1562 * down scan operations and reduce likelihood of finding the AP. In 1563 * addition, some use cases will override this due to functional 1564 * requirements, e.g., for finding an AP that uses hidden SSID 1565 * (scan_ssid=1) or P2P device discovery. 1566 */ 1567 int passive_scan; 1568 1569 /** 1570 * reassoc_same_bss_optim - Whether to optimize reassoc-to-same-BSS 1571 */ 1572 int reassoc_same_bss_optim; 1573 1574 /** 1575 * wps_priority - Priority for the networks added through WPS 1576 * 1577 * This priority value will be set to each network profile that is added 1578 * by executing the WPS protocol. 1579 */ 1580 int wps_priority; 1581 1582 /** 1583 * fst_group_id - FST group ID 1584 */ 1585 char *fst_group_id; 1586 1587 /** 1588 * fst_priority - priority of the interface within the FST group 1589 */ 1590 int fst_priority; 1591 1592 /** 1593 * fst_llt - default FST LLT (Link-Lost Timeout) to be used for the 1594 * interface. 1595 */ 1596 int fst_llt; 1597 1598 /** 1599 * wpa_rsc_relaxation - RSC relaxation on GTK installation 1600 * 1601 * Values: 1602 * 0 - use the EAPOL-Key RSC value on GTK installation 1603 * 1 - use the null RSC if a bogus RSC value is detected in message 3 1604 * of 4-Way Handshake or message 1 of Group Key Handshake. 1605 */ 1606 int wpa_rsc_relaxation; 1607 1608 /** 1609 * sched_scan_plans - Scan plans for scheduled scan 1610 * 1611 * Each scan plan specifies the interval between scans and the number of 1612 * iterations. The last scan plan only specifies the scan interval and 1613 * will be run infinitely. 1614 * 1615 * format: <interval:iterations> <interval2:iterations2> ... <interval> 1616 */ 1617 char *sched_scan_plans; 1618 1619 #ifdef CONFIG_MBO 1620 /** 1621 * non_pref_chan - Non-preferred channels list, separated by spaces. 1622 * 1623 * format: op_class:chan:preference:reason<:detail> 1624 * Detail is optional. 1625 */ 1626 char *non_pref_chan; 1627 1628 /** 1629 * mbo_cell_capa - Cellular capabilities for MBO 1630 */ 1631 enum mbo_cellular_capa mbo_cell_capa; 1632 1633 /** 1634 * disassoc_imminent_rssi_threshold - RSSI threshold of candidate AP 1635 * when disassociation imminent is set. 1636 */ 1637 int disassoc_imminent_rssi_threshold; 1638 1639 /** 1640 * oce - Enable OCE in STA and/or STA-CFON mode 1641 * - Set BIT(0) to enable OCE in non-AP STA mode 1642 * - Set BIT(1) to enable OCE in STA-CFON mode 1643 */ 1644 unsigned int oce; 1645 #endif /* CONFIG_MBO */ 1646 /** 1647 * btm_offload - Set where to perform roaming logic 1648 * - Set to 0 to handle fully roaming logic in supplicant 1649 * - Set to 1 to skip roaming logic in supplicant for firmware roaming 1650 * just parse BTM frame and notify framework 1651 */ 1652 int btm_offload; 1653 1654 /** 1655 * gas_address3 - GAS Address3 field behavior 1656 * 1657 * Values: 1658 * 0 - P2P specification (Address3 = AP BSSID) 1659 * 1 = IEEE 802.11 standard compliant (Address3 = Wildcard BSSID when 1660 * sent to not-associated AP; if associated, AP BSSID) 1661 */ 1662 int gas_address3; 1663 1664 /** 1665 * ftm_responder - Publish FTM (fine timing measurement) 1666 * responder functionality 1667 * 1668 * Values: 1669 * 0 - do not publish FTM responder functionality (Default) 1670 * 1 - publish FTM responder functionality in 1671 * bit 70 of Extended Capabilities element 1672 * Note, actual FTM responder operation is managed outside 1673 * wpa_supplicant. 1674 */ 1675 int ftm_responder; 1676 1677 /** 1678 * ftm_initiator - Publish FTM (fine timing measurement) 1679 * initiator functionality 1680 * 1681 * Values: 1682 * 0 - do not publish FTM initiator functionality (Default) 1683 * 1 - publish FTM initiator functionality in 1684 * bit 71 of Extended Capabilities element 1685 * Note, actual FTM initiator operation is managed outside 1686 * wpa_supplicant. 1687 */ 1688 int ftm_initiator; 1689 1690 /** 1691 * gas_rand_addr_lifetime - Lifetime of random MAC address for ANQP in 1692 * seconds 1693 */ 1694 unsigned int gas_rand_addr_lifetime; 1695 1696 /** 1697 * gas_rand_mac_addr - GAS MAC address policy 1698 * 1699 * 0 = use permanent MAC address 1700 * 1 = use random MAC address 1701 * 2 = like 1, but maintain OUI (with local admin bit set) 1702 */ 1703 enum wpas_mac_addr_style gas_rand_mac_addr; 1704 1705 /** 1706 * dpp_config_processing - How to process DPP configuration 1707 * 1708 * 0 = report received configuration to an external program for 1709 * processing; do not generate any network profile internally 1710 * 1 = report received configuration to an external program and generate 1711 * a network profile internally, but do not automatically connect 1712 * to the created (disabled) profile; the network profile id is 1713 * reported to external programs 1714 * 2 = report received configuration to an external program, generate 1715 * a network profile internally, try to connect to the created 1716 * profile automatically 1717 */ 1718 int dpp_config_processing; 1719 1720 /** 1721 * dpp_name - Name for Enrollee's DPP Configuration Request 1722 */ 1723 char *dpp_name; 1724 1725 /** 1726 * dpp_mud_url - MUD URL for Enrollee's DPP Configuration Request 1727 */ 1728 char *dpp_mud_url; 1729 1730 /** 1731 * dpp_extra_conf_req_name - JSON node name of additional data for 1732 * Enrollee's DPP Configuration Request 1733 */ 1734 char *dpp_extra_conf_req_name; 1735 1736 /** 1737 * dpp_extra_conf_req_value - JSON node data of additional data for 1738 * Enrollee's DPP Configuration Request 1739 */ 1740 char *dpp_extra_conf_req_value; 1741 1742 /* dpp_connector_privacy_default - Default valur for Connector privacy 1743 * 1744 * This value is used as the default for the dpp_connector_privacy 1745 * network parameter for all new networks provisioned using DPP. 1746 */ 1747 int dpp_connector_privacy_default; 1748 1749 /** 1750 * coloc_intf_reporting - Colocated interference reporting 1751 * 1752 * dot11CoLocIntfReportingActivated 1753 * 0 = disabled (false) 1754 * 1 = enabled (true) 1755 */ 1756 int coloc_intf_reporting; 1757 1758 /** 1759 * p2p_device_random_mac_addr - P2P Device MAC address policy default 1760 * 1761 * 0 = use permanent MAC address (the one set by default by the device 1762 * driver). Notice that, if the device driver is configured to 1763 * always use random MAC addresses, this flag breaks reinvoking a 1764 * persistent group, so flags 1 or 2 should be used instead with 1765 * such drivers if persistent groups are used. 1766 * 1 = use random MAC address on creating the interface if there is no 1767 * persistent group. Besides, if a persistent group is created, 1768 * p2p_device_persistent_mac_addr is set to the MAC address of the 1769 * P2P Device interface, so that this address will be subsequently 1770 * used to change the MAC address of the P2P Device interface. With 1771 * no persistent group, the random MAC address is created by 1772 * wpa_supplicant, changing the one set by the device driver. 1773 * The device driver shall support SIOCGIFFLAGS/SIOCSIFFLAGS ioctl 1774 * interface control operations. 1775 * 2 = this flag should be used when the device driver uses random MAC 1776 * addresses by default when a P2P Device interface is created. 1777 * If p2p_device_persistent_mac_addr is set, use this MAC address 1778 * on creating the P2P Device interface. If not set, use the 1779 * default method adopted by the device driver (e.g., random MAC 1780 * address). Besides, if a persistent group is created, 1781 * p2p_device_persistent_mac_addr is set to the MAC address of the 1782 * P2P Device interface, so that this address will be subsequently 1783 * used in place of the default address set by the device driver. 1784 * (This option does not need support of SIOCGIFFLAGS/SIOCSIFFLAGS 1785 * ioctl interface control operations and uses NL80211_ATTR_MAC). 1786 * 1787 * By default, permanent MAC address is used. 1788 */ 1789 int p2p_device_random_mac_addr; 1790 1791 /** 1792 * p2p_device_persistent_mac_addr - Record last used MAC address 1793 * 1794 * If there are saved persistent groups, P2P cannot generate another 1795 * random MAC address, and need to restore to last used MAC address. 1796 */ 1797 u8 p2p_device_persistent_mac_addr[ETH_ALEN]; 1798 1799 /** 1800 * p2p_interface_random_mac_addr - P2P Interface MAC address policy default 1801 * 1802 * 0 = use permanent MAC address 1803 * 1 = use random MAC address on creating the interface. 1804 * 1805 * By default, permanent MAC address is used. 1806 */ 1807 int p2p_interface_random_mac_addr; 1808 1809 /** 1810 * bss_no_flush_when_down - Whether to flush BSS entries when the interface is disabled 1811 * 1812 * 0 = Flush BSS entries when the interface becomes disabled (Default) 1813 * 1 = Do not flush BSS entries when the interface becomes disabled 1814 */ 1815 int bss_no_flush_when_down; 1816 1817 /** 1818 * disable_btm - Disable BSS transition management in STA 1819 * - Set to 0 to enable BSS transition management 1820 * - Set to 1 to disable BSS transition management 1821 * 1822 * By default BSS transition management is enabled 1823 */ 1824 int disable_btm; 1825 1826 /** 1827 * extended_key_id - Extended Key ID support 1828 * 1829 * IEEE Std 802.11-2016 optionally allows to use Key ID 0 and 1 for PTK 1830 * keys with Extended Key ID. 1831 * 1832 * 0 = don't use Extended Key ID 1833 * 1 = use Extended Key ID when possible 1834 */ 1835 int extended_key_id; 1836 1837 /** 1838 * wowlan_disconnect_on_deinit - Trigger disconnect on wpa_supplicant 1839 * interface deinit even if the driver has enabled WoWLAN. 1840 * 1841 * 0 = Do not disconnect 1842 * 1 = Trigger disconnection 1843 */ 1844 int wowlan_disconnect_on_deinit; 1845 1846 /** 1847 * rsn_overriding - RSN overriding (default behavior) 1848 */ 1849 enum wpas_rsn_overriding rsn_overriding; 1850 1851 #ifdef CONFIG_PASN 1852 #ifdef CONFIG_TESTING_OPTIONS 1853 /* 1854 * Normally, KDK should be derived if and only if both sides support 1855 * secure LTF. Allow forcing KDK derivation for testing purposes. 1856 */ 1857 int force_kdk_derivation; 1858 1859 /* If set, corrupt the MIC in the 3rd Authentication frame of PASN */ 1860 int pasn_corrupt_mic; 1861 1862 #endif /* CONFIG_TESTING_OPTIONS */ 1863 #endif /* CONFIG_PASN*/ 1864 1865 #ifdef CONFIG_TESTING_OPTIONS 1866 enum { 1867 MLD_CONNECT_BAND_PREF_AUTO = 0, 1868 MLD_CONNECT_BAND_PREF_2GHZ = 1, 1869 MLD_CONNECT_BAND_PREF_5GHZ = 2, 1870 MLD_CONNECT_BAND_PREF_6GHZ = 3, 1871 MLD_CONNECT_BAND_PREF_MAX = 4, 1872 } mld_connect_band_pref; 1873 1874 u8 mld_connect_bssid_pref[ETH_ALEN]; 1875 1876 int mld_force_single_link; 1877 #endif /* CONFIG_TESTING_OPTIONS */ 1878 1879 /* Cipher version type */ 1880 int dik_cipher; 1881 1882 /* DevIK */ 1883 struct wpabuf *dik; 1884 1885 /** 1886 * identity - P2P2 peer device identities 1887 * 1888 * This is the head for the list of all the paired devices. 1889 */ 1890 struct wpa_dev_ik *identity; 1891 1892 /** 1893 * twt_requester - Whether TWT Requester Support is enabled 1894 * 1895 * This is for setting the bit 77 of the Extended Capabilities element. 1896 */ 1897 bool twt_requester; 1898 1899 /** 1900 * wfa_gen_capa: Whether to indicate Wi-Fi generational capability to 1901 * the AP 1902 * 1903 * 0 = do not indicate (default) 1904 * 1 = indicate in protected Action frame 1905 * 2 = indicate in unprotected (Re)Association Request frame 1906 */ 1907 enum { 1908 WFA_GEN_CAPA_DISABLED = 0, 1909 WFA_GEN_CAPA_PROTECTED = 1, 1910 WFA_GEN_CAPA_UNPROTECTED = 2, 1911 } wfa_gen_capa; 1912 1913 /** 1914 * wfa_gen_capa_supp: Supported Generations (hexdump of a bit field) 1915 * 1916 * A bit field of supported Wi-Fi generations. This is encoded as an 1917 * little endian octt string. 1918 * bit 0: Wi-Fi 4 1919 * bit 1: Wi-Fi 5 1920 * bit 2: Wi-Fi 6 1921 * bit 3: Wi-Fi 7 1922 */ 1923 struct wpabuf *wfa_gen_capa_supp; 1924 1925 /** 1926 * wfa_gen_capa_cert: Certified Generations (hexdump of a bit field) 1927 * 1928 * This has the same format as wfa_gen_capa_supp. This is an optional 1929 * field, but if included, shall have the same length as 1930 * wfa_gen_capa_supp. 1931 */ 1932 struct wpabuf *wfa_gen_capa_cert; 1933 }; 1934 1935 1936 /* Prototypes for common functions from config.c */ 1937 1938 void wpa_config_free(struct wpa_config *ssid); 1939 void wpa_config_free_ssid(struct wpa_ssid *ssid); 1940 void wpa_config_foreach_network(struct wpa_config *config, 1941 void (*func)(void *, struct wpa_ssid *), 1942 void *arg); 1943 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id); 1944 struct wpa_ssid * wpa_config_get_network_with_dik_id(struct wpa_config *config, 1945 int dik_id); 1946 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config); 1947 int wpa_config_remove_network(struct wpa_config *config, int id); 1948 void wpa_config_set_network_defaults(struct wpa_ssid *ssid); 1949 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 1950 int line); 1951 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 1952 const char *value); 1953 int wpa_config_dump_values(struct wpa_config *config, char *buf, 1954 size_t buflen); 1955 int wpa_config_get_value(const char *name, struct wpa_config *config, 1956 char *buf, size_t buflen); 1957 1958 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys); 1959 char * wpa_config_get(struct wpa_ssid *ssid, const char *var); 1960 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var); 1961 void wpa_config_update_psk(struct wpa_ssid *ssid); 1962 int wpa_config_add_prio_network(struct wpa_config *config, 1963 struct wpa_ssid *ssid); 1964 int wpa_config_update_prio_list(struct wpa_config *config); 1965 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 1966 const char *name); 1967 void wpa_config_set_blob(struct wpa_config *config, 1968 struct wpa_config_blob *blob); 1969 void wpa_config_free_blob(struct wpa_config_blob *blob); 1970 int wpa_config_remove_blob(struct wpa_config *config, const char *name); 1971 void wpa_config_flush_blobs(struct wpa_config *config); 1972 1973 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id); 1974 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config); 1975 int wpa_config_remove_cred(struct wpa_config *config, int id); 1976 void wpa_config_free_cred(struct wpa_cred *cred); 1977 int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 1978 const char *value, int line); 1979 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var); 1980 1981 int wpa_config_set_identity(struct wpa_dev_ik *identity, const char *var, 1982 const char *value, int line); 1983 void wpa_config_free_identity(struct wpa_dev_ik *identity); 1984 struct wpa_dev_ik * wpa_config_add_identity(struct wpa_config *config); 1985 int wpa_config_remove_identity(struct wpa_config *config, int id); 1986 1987 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 1988 const char *driver_param); 1989 #ifndef CONFIG_NO_STDOUT_DEBUG 1990 void wpa_config_debug_dump_networks(struct wpa_config *config); 1991 #else /* CONFIG_NO_STDOUT_DEBUG */ 1992 #define wpa_config_debug_dump_networks(c) do { } while (0) 1993 #endif /* CONFIG_NO_STDOUT_DEBUG */ 1994 1995 1996 /* Prototypes for common functions from config.c */ 1997 int wpa_config_process_global(struct wpa_config *config, char *pos, int line); 1998 1999 int wpa_config_get_num_global_field_names(void); 2000 2001 const char * wpa_config_get_global_field_name(unsigned int i, int *no_var); 2002 2003 /* Prototypes for backend specific functions from the selected config_*.c */ 2004 2005 /** 2006 * wpa_config_read - Read and parse configuration database 2007 * @name: Name of the configuration (e.g., path and file name for the 2008 * configuration file) 2009 * @cfgp: Pointer to previously allocated configuration data or %NULL if none 2010 * @ro: Whether to mark networks from this configuration as read-only 2011 * Returns: Pointer to allocated configuration data or %NULL on failure 2012 * 2013 * This function reads configuration data, parses its contents, and allocates 2014 * data structures needed for storing configuration information. The allocated 2015 * data can be freed with wpa_config_free(). 2016 * 2017 * Each configuration backend needs to implement this function. 2018 */ 2019 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp, 2020 bool ro); 2021 2022 /** 2023 * wpa_config_write - Write or update configuration data 2024 * @name: Name of the configuration (e.g., path and file name for the 2025 * configuration file) 2026 * @config: Configuration data from wpa_config_read() 2027 * Returns: 0 on success, -1 on failure 2028 * 2029 * This function write all configuration data into an external database (e.g., 2030 * a text file) in a format that can be read with wpa_config_read(). This can 2031 * be used to allow wpa_supplicant to update its configuration, e.g., when a 2032 * new network is added or a password is changed. 2033 * 2034 * Each configuration backend needs to implement this function. 2035 */ 2036 int wpa_config_write(const char *name, struct wpa_config *config); 2037 2038 #endif /* CONFIG_H */ 2039