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_FAST_REAUTH 1 19 #define DEFAULT_P2P_GO_INTENT 7 20 #define DEFAULT_P2P_INTRA_BSS 1 21 #define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60) 22 #define DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN 0 23 #define DEFAULT_BSS_MAX_COUNT 200 24 #define DEFAULT_BSS_EXPIRATION_AGE 180 25 #define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2 26 #define DEFAULT_MAX_NUM_STA 128 27 #define DEFAULT_ACCESS_NETWORK_TYPE 15 28 #define DEFAULT_SCAN_CUR_FREQ 0 29 #define DEFAULT_P2P_SEARCH_DELAY 500 30 #define DEFAULT_RAND_ADDR_LIFETIME 60 31 32 #include "config_ssid.h" 33 #include "wps/wps.h" 34 #include "common/ieee802_11_common.h" 35 36 37 struct wpa_cred { 38 /** 39 * next - Next credential in the list 40 * 41 * This pointer can be used to iterate over all credentials. The head 42 * of this list is stored in the cred field of struct wpa_config. 43 */ 44 struct wpa_cred *next; 45 46 /** 47 * id - Unique id for the credential 48 * 49 * This identifier is used as a unique identifier for each credential 50 * block when using the control interface. Each credential is allocated 51 * an id when it is being created, either when reading the 52 * configuration file or when a new credential is added through the 53 * control interface. 54 */ 55 int id; 56 57 /** 58 * temporary - Whether this credential is temporary and not to be saved 59 */ 60 int temporary; 61 62 /** 63 * priority - Priority group 64 * 65 * By default, all networks and credentials get the same priority group 66 * (0). This field can be used to give higher priority for credentials 67 * (and similarly in struct wpa_ssid for network blocks) to change the 68 * Interworking automatic networking selection behavior. The matching 69 * network (based on either an enabled network block or a credential) 70 * with the highest priority value will be selected. 71 */ 72 int priority; 73 74 /** 75 * pcsc - Use PC/SC and SIM/USIM card 76 */ 77 int pcsc; 78 79 /** 80 * realm - Home Realm for Interworking 81 */ 82 char *realm; 83 84 /** 85 * username - Username for Interworking network selection 86 */ 87 char *username; 88 89 /** 90 * password - Password for Interworking network selection 91 */ 92 char *password; 93 94 /** 95 * ext_password - Whether password is a name for external storage 96 */ 97 int ext_password; 98 99 /** 100 * ca_cert - CA certificate for Interworking network selection 101 */ 102 char *ca_cert; 103 104 /** 105 * client_cert - File path to client certificate file (PEM/DER) 106 * 107 * This field is used with Interworking networking selection for a case 108 * where client certificate/private key is used for authentication 109 * (EAP-TLS). Full path to the file should be used since working 110 * directory may change when wpa_supplicant is run in the background. 111 * 112 * Alternatively, a named configuration blob can be used by setting 113 * this to blob://blob_name. 114 */ 115 char *client_cert; 116 117 /** 118 * private_key - File path to client private key file (PEM/DER/PFX) 119 * 120 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be 121 * commented out. Both the private key and certificate will be read 122 * from the PKCS#12 file in this case. Full path to the file should be 123 * used since working directory may change when wpa_supplicant is run 124 * in the background. 125 * 126 * Windows certificate store can be used by leaving client_cert out and 127 * configuring private_key in one of the following formats: 128 * 129 * cert://substring_to_match 130 * 131 * hash://certificate_thumbprint_in_hex 132 * 133 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4" 134 * 135 * Note that when running wpa_supplicant as an application, the user 136 * certificate store (My user account) is used, whereas computer store 137 * (Computer account) is used when running wpasvc as a service. 138 * 139 * Alternatively, a named configuration blob can be used by setting 140 * this to blob://blob_name. 141 */ 142 char *private_key; 143 144 /** 145 * private_key_passwd - Password for private key file 146 */ 147 char *private_key_passwd; 148 149 /** 150 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format 151 */ 152 char *imsi; 153 154 /** 155 * milenage - Milenage parameters for SIM/USIM simulator in 156 * <Ki>:<OPc>:<SQN> format 157 */ 158 char *milenage; 159 160 /** 161 * domain_suffix_match - Constraint for server domain name 162 * 163 * If set, this FQDN is used as a suffix match requirement for the AAA 164 * server certificate in SubjectAltName dNSName element(s). If a 165 * matching dNSName is found, this constraint is met. If no dNSName 166 * values are present, this constraint is matched against SubjetName CN 167 * using same suffix match comparison. Suffix match here means that the 168 * host/domain name is compared one label at a time starting from the 169 * top-level domain and all the labels in @domain_suffix_match shall be 170 * included in the certificate. The certificate may include additional 171 * sub-level labels in addition to the required labels. 172 * 173 * For example, domain_suffix_match=example.com would match 174 * test.example.com but would not match test-example.com. 175 */ 176 char *domain_suffix_match; 177 178 /** 179 * domain - Home service provider FQDN(s) 180 * 181 * This is used to compare against the Domain Name List to figure out 182 * whether the AP is operated by the Home SP. Multiple domain entries 183 * can be used to configure alternative FQDNs that will be considered 184 * home networks. 185 */ 186 char **domain; 187 188 /** 189 * num_domain - Number of FQDNs in the domain array 190 */ 191 size_t num_domain; 192 193 /** 194 * roaming_consortium - Roaming Consortium OI 195 * 196 * If roaming_consortium_len is non-zero, this field contains the 197 * Roaming Consortium OI that can be used to determine which access 198 * points support authentication with this credential. This is an 199 * alternative to the use of the realm parameter. When using Roaming 200 * Consortium to match the network, the EAP parameters need to be 201 * pre-configured with the credential since the NAI Realm information 202 * may not be available or fetched. 203 */ 204 u8 roaming_consortium[15]; 205 206 /** 207 * roaming_consortium_len - Length of roaming_consortium 208 */ 209 size_t roaming_consortium_len; 210 211 u8 required_roaming_consortium[15]; 212 size_t required_roaming_consortium_len; 213 214 /** 215 * eap_method - EAP method to use 216 * 217 * Pre-configured EAP method to use with this credential or %NULL to 218 * indicate no EAP method is selected, i.e., the method will be 219 * selected automatically based on ANQP information. 220 */ 221 struct eap_method_type *eap_method; 222 223 /** 224 * phase1 - Phase 1 (outer authentication) parameters 225 * 226 * Pre-configured EAP parameters or %NULL. 227 */ 228 char *phase1; 229 230 /** 231 * phase2 - Phase 2 (inner authentication) parameters 232 * 233 * Pre-configured EAP parameters or %NULL. 234 */ 235 char *phase2; 236 237 struct excluded_ssid { 238 u8 ssid[MAX_SSID_LEN]; 239 size_t ssid_len; 240 } *excluded_ssid; 241 size_t num_excluded_ssid; 242 243 struct roaming_partner { 244 char fqdn[128]; 245 int exact_match; 246 u8 priority; 247 char country[3]; 248 } *roaming_partner; 249 size_t num_roaming_partner; 250 251 int update_identifier; 252 253 /** 254 * provisioning_sp - FQDN of the SP that provisioned the credential 255 */ 256 char *provisioning_sp; 257 258 /** 259 * sp_priority - Credential priority within a provisioning SP 260 * 261 * This is the priority of the credential among all credentials 262 * provisionined by the same SP (i.e., for entries that have identical 263 * provisioning_sp value). The range of this priority is 0-255 with 0 264 * being the highest and 255 the lower priority. 265 */ 266 int sp_priority; 267 268 unsigned int min_dl_bandwidth_home; 269 unsigned int min_ul_bandwidth_home; 270 unsigned int min_dl_bandwidth_roaming; 271 unsigned int min_ul_bandwidth_roaming; 272 273 /** 274 * max_bss_load - Maximum BSS Load Channel Utilization (1..255) 275 * This value is used as the maximum channel utilization for network 276 * selection purposes for home networks. If the AP does not advertise 277 * BSS Load or if the limit would prevent any connection, this 278 * constraint will be ignored. 279 */ 280 unsigned int max_bss_load; 281 282 unsigned int num_req_conn_capab; 283 u8 *req_conn_capab_proto; 284 int **req_conn_capab_port; 285 286 /** 287 * ocsp - Whether to use/require OCSP to check server certificate 288 * 289 * 0 = do not use OCSP stapling (TLS certificate status extension) 290 * 1 = try to use OCSP stapling, but not require response 291 * 2 = require valid OCSP stapling response 292 */ 293 int ocsp; 294 295 /** 296 * sim_num - User selected SIM identifier 297 * 298 * This variable is used for identifying which SIM is used if the system 299 * has more than one. 300 */ 301 int sim_num; 302 }; 303 304 305 #define CFG_CHANGED_DEVICE_NAME BIT(0) 306 #define CFG_CHANGED_CONFIG_METHODS BIT(1) 307 #define CFG_CHANGED_DEVICE_TYPE BIT(2) 308 #define CFG_CHANGED_OS_VERSION BIT(3) 309 #define CFG_CHANGED_UUID BIT(4) 310 #define CFG_CHANGED_COUNTRY BIT(5) 311 #define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6) 312 #define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7) 313 #define CFG_CHANGED_WPS_STRING BIT(8) 314 #define CFG_CHANGED_P2P_INTRA_BSS BIT(9) 315 #define CFG_CHANGED_VENDOR_EXTENSION BIT(10) 316 #define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11) 317 #define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12) 318 #define CFG_CHANGED_P2P_PREF_CHAN BIT(13) 319 #define CFG_CHANGED_EXT_PW_BACKEND BIT(14) 320 #define CFG_CHANGED_NFC_PASSWORD_TOKEN BIT(15) 321 #define CFG_CHANGED_P2P_PASSPHRASE_LEN BIT(16) 322 323 /** 324 * struct wpa_config - wpa_supplicant configuration data 325 * 326 * This data structure is presents the per-interface (radio) configuration 327 * data. In many cases, there is only one struct wpa_config instance, but if 328 * more than one network interface is being controlled, one instance is used 329 * for each. 330 */ 331 struct wpa_config { 332 /** 333 * ssid - Head of the global network list 334 * 335 * This is the head for the list of all the configured networks. 336 */ 337 struct wpa_ssid *ssid; 338 339 /** 340 * pssid - Per-priority network lists (in priority order) 341 */ 342 struct wpa_ssid **pssid; 343 344 /** 345 * num_prio - Number of different priorities used in the pssid lists 346 * 347 * This indicates how many per-priority network lists are included in 348 * pssid. 349 */ 350 int num_prio; 351 352 /** 353 * cred - Head of the credential list 354 * 355 * This is the head for the list of all the configured credentials. 356 */ 357 struct wpa_cred *cred; 358 359 /** 360 * eapol_version - IEEE 802.1X/EAPOL version number 361 * 362 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which 363 * defines EAPOL version 2. However, there are many APs that do not 364 * handle the new version number correctly (they seem to drop the 365 * frames completely). In order to make wpa_supplicant interoperate 366 * with these APs, the version number is set to 1 by default. This 367 * configuration value can be used to set it to the new version (2). 368 */ 369 int eapol_version; 370 371 /** 372 * ap_scan - AP scanning/selection 373 * 374 * By default, wpa_supplicant requests driver to perform AP 375 * scanning and then uses the scan results to select a 376 * suitable AP. Another alternative is to allow the driver to 377 * take care of AP scanning and selection and use 378 * wpa_supplicant just to process EAPOL frames based on IEEE 379 * 802.11 association information from the driver. 380 * 381 * 1: wpa_supplicant initiates scanning and AP selection (default). 382 * 383 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11 384 * association parameters (e.g., WPA IE generation); this mode can 385 * also be used with non-WPA drivers when using IEEE 802.1X mode; 386 * do not try to associate with APs (i.e., external program needs 387 * to control association). This mode must also be used when using 388 * wired Ethernet drivers. 389 * 390 * 2: like 0, but associate with APs using security policy and SSID 391 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS 392 * drivers to enable operation with hidden SSIDs and optimized roaming; 393 * in this mode, the network blocks in the configuration are tried 394 * one by one until the driver reports successful association; each 395 * network block should have explicit security policy (i.e., only one 396 * option in the lists) for key_mgmt, pairwise, group, proto variables. 397 */ 398 int ap_scan; 399 400 /** 401 * bgscan - Background scan and roaming parameters or %NULL if none 402 * 403 * This is an optional set of parameters for background scanning and 404 * roaming within a network (ESS). For more detailed information see 405 * ssid block documentation. 406 * 407 * The variable defines default bgscan behavior for all BSS station 408 * networks except for those which have their own bgscan configuration. 409 */ 410 char *bgscan; 411 412 /** 413 * disable_scan_offload - Disable automatic offloading of scan requests 414 * 415 * By default, %wpa_supplicant tries to offload scanning if the driver 416 * indicates support for this (sched_scan). This configuration 417 * parameter can be used to disable this offloading mechanism. 418 */ 419 int disable_scan_offload; 420 421 /** 422 * ctrl_interface - Parameters for the control interface 423 * 424 * If this is specified, %wpa_supplicant will open a control interface 425 * that is available for external programs to manage %wpa_supplicant. 426 * The meaning of this string depends on which control interface 427 * mechanism is used. For all cases, the existence of this parameter 428 * in configuration is used to determine whether the control interface 429 * is enabled. 430 * 431 * For UNIX domain sockets (default on Linux and BSD): This is a 432 * directory that will be created for UNIX domain sockets for listening 433 * to requests from external programs (CLI/GUI, etc.) for status 434 * information and configuration. The socket file will be named based 435 * on the interface name, so multiple %wpa_supplicant processes can be 436 * run at the same time if more than one interface is used. 437 * /var/run/wpa_supplicant is the recommended directory for sockets and 438 * by default, wpa_cli will use it when trying to connect with 439 * %wpa_supplicant. 440 * 441 * Access control for the control interface can be configured 442 * by setting the directory to allow only members of a group 443 * to use sockets. This way, it is possible to run 444 * %wpa_supplicant as root (since it needs to change network 445 * configuration and open raw sockets) and still allow GUI/CLI 446 * components to be run as non-root users. However, since the 447 * control interface can be used to change the network 448 * configuration, this access needs to be protected in many 449 * cases. By default, %wpa_supplicant is configured to use gid 450 * 0 (root). If you want to allow non-root users to use the 451 * control interface, add a new group and change this value to 452 * match with that group. Add users that should have control 453 * interface access to this group. 454 * 455 * When configuring both the directory and group, use following format: 456 * DIR=/var/run/wpa_supplicant GROUP=wheel 457 * DIR=/var/run/wpa_supplicant GROUP=0 458 * (group can be either group name or gid) 459 * 460 * For UDP connections (default on Windows): The value will be ignored. 461 * This variable is just used to select that the control interface is 462 * to be created. The value can be set to, e.g., udp 463 * (ctrl_interface=udp). 464 * 465 * For Windows Named Pipe: This value can be used to set the security 466 * descriptor for controlling access to the control interface. Security 467 * descriptor can be set using Security Descriptor String Format (see 468 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp). 469 * The descriptor string needs to be prefixed with SDDL=. For example, 470 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject 471 * all connections). 472 */ 473 char *ctrl_interface; 474 475 /** 476 * ctrl_interface_group - Control interface group (DEPRECATED) 477 * 478 * This variable is only used for backwards compatibility. Group for 479 * UNIX domain sockets should now be specified using GROUP=group in 480 * ctrl_interface variable. 481 */ 482 char *ctrl_interface_group; 483 484 /** 485 * fast_reauth - EAP fast re-authentication (session resumption) 486 * 487 * By default, fast re-authentication is enabled for all EAP methods 488 * that support it. This variable can be used to disable fast 489 * re-authentication (by setting fast_reauth=0). Normally, there is no 490 * need to disable fast re-authentication. 491 */ 492 int fast_reauth; 493 494 /** 495 * opensc_engine_path - Path to the OpenSSL engine for opensc 496 * 497 * This is an OpenSSL specific configuration option for loading OpenSC 498 * engine (engine_opensc.so); if %NULL, this engine is not loaded. 499 */ 500 char *opensc_engine_path; 501 502 /** 503 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11 504 * 505 * This is an OpenSSL specific configuration option for loading PKCS#11 506 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded. 507 */ 508 char *pkcs11_engine_path; 509 510 /** 511 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module 512 * 513 * This is an OpenSSL specific configuration option for configuring 514 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this 515 * module is not loaded. 516 */ 517 char *pkcs11_module_path; 518 519 /** 520 * pcsc_reader - PC/SC reader name prefix 521 * 522 * If not %NULL, PC/SC reader with a name that matches this prefix is 523 * initialized for SIM/USIM access. Empty string can be used to match 524 * the first available reader. 525 */ 526 char *pcsc_reader; 527 528 /** 529 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards 530 * 531 * This field is used to configure PIN for SIM/USIM for EAP-SIM and 532 * EAP-AKA. If left out, this will be asked through control interface. 533 */ 534 char *pcsc_pin; 535 536 /** 537 * external_sim - Use external processing for SIM/USIM operations 538 */ 539 int external_sim; 540 541 /** 542 * driver_param - Driver interface parameters 543 * 544 * This text string is passed to the selected driver interface with the 545 * optional struct wpa_driver_ops::set_param() handler. This can be 546 * used to configure driver specific options without having to add new 547 * driver interface functionality. 548 */ 549 char *driver_param; 550 551 /** 552 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK 553 * 554 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK 555 * cache (unit: seconds). 556 */ 557 unsigned int dot11RSNAConfigPMKLifetime; 558 559 /** 560 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold 561 * 562 * dot11 MIB variable for the percentage of the PMK lifetime 563 * that should expire before an IEEE 802.1X reauthentication occurs. 564 */ 565 unsigned int dot11RSNAConfigPMKReauthThreshold; 566 567 /** 568 * dot11RSNAConfigSATimeout - Security association timeout 569 * 570 * dot11 MIB variable for the maximum time a security association 571 * shall take to set up (unit: seconds). 572 */ 573 unsigned int dot11RSNAConfigSATimeout; 574 575 /** 576 * update_config - Is wpa_supplicant allowed to update configuration 577 * 578 * This variable control whether wpa_supplicant is allow to re-write 579 * its configuration with wpa_config_write(). If this is zero, 580 * configuration data is only changed in memory and the external data 581 * is not overriden. If this is non-zero, wpa_supplicant will update 582 * the configuration data (e.g., a file) whenever configuration is 583 * changed. This update may replace the old configuration which can 584 * remove comments from it in case of a text file configuration. 585 */ 586 int update_config; 587 588 /** 589 * blobs - Configuration blobs 590 */ 591 struct wpa_config_blob *blobs; 592 593 /** 594 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS 595 */ 596 u8 uuid[16]; 597 598 /** 599 * device_name - Device Name (WPS) 600 * User-friendly description of device; up to 32 octets encoded in 601 * UTF-8 602 */ 603 char *device_name; 604 605 /** 606 * manufacturer - Manufacturer (WPS) 607 * The manufacturer of the device (up to 64 ASCII characters) 608 */ 609 char *manufacturer; 610 611 /** 612 * model_name - Model Name (WPS) 613 * Model of the device (up to 32 ASCII characters) 614 */ 615 char *model_name; 616 617 /** 618 * model_number - Model Number (WPS) 619 * Additional device description (up to 32 ASCII characters) 620 */ 621 char *model_number; 622 623 /** 624 * serial_number - Serial Number (WPS) 625 * Serial number of the device (up to 32 characters) 626 */ 627 char *serial_number; 628 629 /** 630 * device_type - Primary Device Type (WPS) 631 */ 632 u8 device_type[WPS_DEV_TYPE_LEN]; 633 634 /** 635 * config_methods - Config Methods 636 * 637 * This is a space-separated list of supported WPS configuration 638 * methods. For example, "label virtual_display virtual_push_button 639 * keypad". 640 * Available methods: usba ethernet label display ext_nfc_token 641 * int_nfc_token nfc_interface push_button keypad 642 * virtual_display physical_display 643 * virtual_push_button physical_push_button. 644 */ 645 char *config_methods; 646 647 /** 648 * os_version - OS Version (WPS) 649 * 4-octet operating system version number 650 */ 651 u8 os_version[4]; 652 653 /** 654 * country - Country code 655 * 656 * This is the ISO/IEC alpha2 country code for which we are operating 657 * in 658 */ 659 char country[2]; 660 661 /** 662 * wps_cred_processing - Credential processing 663 * 664 * 0 = process received credentials internally 665 * 1 = do not process received credentials; just pass them over 666 * ctrl_iface to external program(s) 667 * 2 = process received credentials internally and pass them over 668 * ctrl_iface to external program(s) 669 */ 670 int wps_cred_processing; 671 672 #define MAX_SEC_DEVICE_TYPES 5 673 /** 674 * sec_device_types - Secondary Device Types (P2P) 675 */ 676 u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN]; 677 int num_sec_device_types; 678 679 int p2p_listen_reg_class; 680 int p2p_listen_channel; 681 int p2p_oper_reg_class; 682 int p2p_oper_channel; 683 int p2p_go_intent; 684 char *p2p_ssid_postfix; 685 int persistent_reconnect; 686 int p2p_intra_bss; 687 unsigned int num_p2p_pref_chan; 688 struct p2p_channel *p2p_pref_chan; 689 struct wpa_freq_range_list p2p_no_go_freq; 690 int p2p_add_cli_chan; 691 int p2p_ignore_shared_freq; 692 int p2p_optimize_listen_chan; 693 694 struct wpabuf *wps_vendor_ext_m1; 695 696 #define MAX_WPS_VENDOR_EXT 10 697 /** 698 * wps_vendor_ext - Vendor extension attributes in WPS 699 */ 700 struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT]; 701 702 /** 703 * p2p_group_idle - Maximum idle time in seconds for P2P group 704 * 705 * This value controls how long a P2P group is maintained after there 706 * is no other members in the group. As a GO, this means no associated 707 * stations in the group. As a P2P client, this means no GO seen in 708 * scan results. The maximum idle time is specified in seconds with 0 709 * indicating no time limit, i.e., the P2P group remains in active 710 * state indefinitely until explicitly removed. As a P2P client, the 711 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e., 712 * this parameter is mainly meant for GO use and for P2P client, it can 713 * only be used to reduce the default timeout to smaller value. A 714 * special value -1 can be used to configure immediate removal of the 715 * group for P2P client role on any disconnection after the data 716 * connection has been established. 717 */ 718 int p2p_group_idle; 719 720 /** 721 * p2p_passphrase_len - Passphrase length (8..63) for P2P GO 722 * 723 * This parameter controls the length of the random passphrase that is 724 * generated at the GO. 725 */ 726 unsigned int p2p_passphrase_len; 727 728 /** 729 * bss_max_count - Maximum number of BSS entries to keep in memory 730 */ 731 unsigned int bss_max_count; 732 733 /** 734 * bss_expiration_age - BSS entry age after which it can be expired 735 * 736 * This value controls the time in seconds after which a BSS entry 737 * gets removed if it has not been updated or is not in use. 738 */ 739 unsigned int bss_expiration_age; 740 741 /** 742 * bss_expiration_scan_count - Expire BSS after number of scans 743 * 744 * If the BSS entry has not been seen in this many scans, it will be 745 * removed. A value of 1 means that entry is removed after the first 746 * scan in which the BSSID is not seen. Larger values can be used 747 * to avoid BSS entries disappearing if they are not visible in 748 * every scan (e.g., low signal quality or interference). 749 */ 750 unsigned int bss_expiration_scan_count; 751 752 /** 753 * filter_ssids - SSID-based scan result filtering 754 * 755 * 0 = do not filter scan results 756 * 1 = only include configured SSIDs in scan results/BSS table 757 */ 758 int filter_ssids; 759 760 /** 761 * filter_rssi - RSSI-based scan result filtering 762 * 763 * 0 = do not filter scan results 764 * -n = filter scan results below -n dBm 765 */ 766 int filter_rssi; 767 768 /** 769 * max_num_sta - Maximum number of STAs in an AP/P2P GO 770 */ 771 unsigned int max_num_sta; 772 773 /** 774 * freq_list - Array of allowed scan frequencies or %NULL for all 775 * 776 * This is an optional zero-terminated array of frequencies in 777 * megahertz (MHz) to allow for narrowing scanning range. 778 */ 779 int *freq_list; 780 781 /** 782 * scan_cur_freq - Whether to scan only the current channel 783 * 784 * If true, attempt to scan only the current channel if any other 785 * VIFs on this radio are already associated on a particular channel. 786 */ 787 int scan_cur_freq; 788 789 /** 790 * changed_parameters - Bitmap of changed parameters since last update 791 */ 792 unsigned int changed_parameters; 793 794 /** 795 * disassoc_low_ack - Disassocicate stations with massive packet loss 796 */ 797 int disassoc_low_ack; 798 799 /** 800 * interworking - Whether Interworking (IEEE 802.11u) is enabled 801 */ 802 int interworking; 803 804 /** 805 * access_network_type - Access Network Type 806 * 807 * When Interworking is enabled, scans will be limited to APs that 808 * advertise the specified Access Network Type (0..15; with 15 809 * indicating wildcard match). 810 */ 811 int access_network_type; 812 813 /** 814 * hessid - Homogenous ESS identifier 815 * 816 * If this is set (any octet is non-zero), scans will be used to 817 * request response only from BSSes belonging to the specified 818 * Homogeneous ESS. This is used only if interworking is enabled. 819 */ 820 u8 hessid[ETH_ALEN]; 821 822 /** 823 * hs20 - Hotspot 2.0 824 */ 825 int hs20; 826 827 /** 828 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7 829 * 830 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities 831 * by acting as a Registrar and using M1 from the AP. The config 832 * methods attribute in that message is supposed to indicate only the 833 * configuration method supported by the AP in Enrollee role, i.e., to 834 * add an external Registrar. For that case, PBC shall not be used and 835 * as such, the PushButton config method is removed from M1 by default. 836 * If pbc_in_m1=1 is included in the configuration file, the PushButton 837 * config method is left in M1 (if included in config_methods 838 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from 839 * a label in the AP). 840 */ 841 int pbc_in_m1; 842 843 /** 844 * autoscan - Automatic scan parameters or %NULL if none 845 * 846 * This is an optional set of parameters for automatic scanning 847 * within an interface in following format: 848 * <autoscan module name>:<module parameters> 849 */ 850 char *autoscan; 851 852 /** 853 * wps_nfc_pw_from_config - NFC Device Password was read from config 854 * 855 * This parameter can be determined whether the NFC Device Password was 856 * included in the configuration (1) or generated dynamically (0). Only 857 * the former case is re-written back to the configuration file. 858 */ 859 int wps_nfc_pw_from_config; 860 861 /** 862 * wps_nfc_dev_pw_id - NFC Device Password ID for password token 863 */ 864 int wps_nfc_dev_pw_id; 865 866 /** 867 * wps_nfc_dh_pubkey - NFC DH Public Key for password token 868 */ 869 struct wpabuf *wps_nfc_dh_pubkey; 870 871 /** 872 * wps_nfc_dh_privkey - NFC DH Private Key for password token 873 */ 874 struct wpabuf *wps_nfc_dh_privkey; 875 876 /** 877 * wps_nfc_dev_pw - NFC Device Password for password token 878 */ 879 struct wpabuf *wps_nfc_dev_pw; 880 881 /** 882 * ext_password_backend - External password backend or %NULL if none 883 * 884 * format: <backend name>[:<optional backend parameters>] 885 */ 886 char *ext_password_backend; 887 888 /* 889 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity 890 * 891 * This timeout value is used in P2P GO mode to clean up 892 * inactive stations. 893 * By default: 300 seconds. 894 */ 895 int p2p_go_max_inactivity; 896 897 struct hostapd_wmm_ac_params wmm_ac_params[4]; 898 899 /** 900 * auto_interworking - Whether to use network selection automatically 901 * 902 * 0 = do not automatically go through Interworking network selection 903 * (i.e., require explicit interworking_select command for this) 904 * 1 = perform Interworking network selection if one or more 905 * credentials have been configured and scan did not find a 906 * matching network block 907 */ 908 int auto_interworking; 909 910 /** 911 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO. 912 * 913 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 914 * Note that regulatory constraints and driver capabilities are 915 * consulted anyway, so setting it to 1 can't do real harm. 916 * By default: 0 (disabled) 917 */ 918 int p2p_go_ht40; 919 920 /** 921 * p2p_go_vht - Default mode for VHT enable when operating as GO 922 * 923 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite. 924 * Note that regulatory constraints and driver capabilities are 925 * consulted anyway, so setting it to 1 can't do real harm. 926 * By default: 0 (disabled) 927 */ 928 int p2p_go_vht; 929 930 /** 931 * p2p_disabled - Whether P2P operations are disabled for this interface 932 */ 933 int p2p_disabled; 934 935 /** 936 * p2p_no_group_iface - Whether group interfaces can be used 937 * 938 * By default, wpa_supplicant will create a separate interface for P2P 939 * group operations if the driver supports this. This functionality can 940 * be disabled by setting this parameter to 1. In that case, the same 941 * interface that was used for the P2P management operations is used 942 * also for the group operation. 943 */ 944 int p2p_no_group_iface; 945 946 /** 947 * okc - Whether to enable opportunistic key caching by default 948 * 949 * By default, OKC is disabled unless enabled by the per-network 950 * proactive_key_caching=1 parameter. okc=1 can be used to change this 951 * default behavior. 952 */ 953 int okc; 954 955 /** 956 * pmf - Whether to enable/require PMF by default 957 * 958 * By default, PMF is disabled unless enabled by the per-network 959 * ieee80211w=1 or ieee80211w=2 parameter. pmf=1/2 can be used to change 960 * this default behavior. 961 */ 962 enum mfp_options pmf; 963 964 /** 965 * sae_groups - Preference list of enabled groups for SAE 966 * 967 * By default (if this parameter is not set), the mandatory group 19 968 * (ECC group defined over a 256-bit prime order field) is preferred, 969 * but other groups are also enabled. If this parameter is set, the 970 * groups will be tried in the indicated order. 971 */ 972 int *sae_groups; 973 974 /** 975 * dtim_period - Default DTIM period in Beacon intervals 976 * 977 * This parameter can be used to set the default value for network 978 * blocks that do not specify dtim_period. 979 */ 980 int dtim_period; 981 982 /** 983 * beacon_int - Default Beacon interval in TU 984 * 985 * This parameter can be used to set the default value for network 986 * blocks that do not specify beacon_int. 987 */ 988 int beacon_int; 989 990 /** 991 * ap_vendor_elements: Vendor specific elements for Beacon/ProbeResp 992 * 993 * This parameter can be used to define additional vendor specific 994 * elements for Beacon and Probe Response frames in AP/P2P GO mode. The 995 * format for these element(s) is a hexdump of the raw information 996 * elements (id+len+payload for one or more elements). 997 */ 998 struct wpabuf *ap_vendor_elements; 999 1000 /** 1001 * ignore_old_scan_res - Ignore scan results older than request 1002 * 1003 * The driver may have a cache of scan results that makes it return 1004 * information that is older than our scan trigger. This parameter can 1005 * be used to configure such old information to be ignored instead of 1006 * allowing it to update the internal BSS table. 1007 */ 1008 int ignore_old_scan_res; 1009 1010 /** 1011 * sched_scan_interval - schedule scan interval 1012 */ 1013 unsigned int sched_scan_interval; 1014 1015 /** 1016 * tdls_external_control - External control for TDLS setup requests 1017 * 1018 * Enable TDLS mode where external programs are given the control 1019 * to specify the TDLS link to get established to the driver. The 1020 * driver requests the TDLS setup to the supplicant only for the 1021 * specified TDLS peers. 1022 */ 1023 int tdls_external_control; 1024 1025 u8 ip_addr_go[4]; 1026 u8 ip_addr_mask[4]; 1027 u8 ip_addr_start[4]; 1028 u8 ip_addr_end[4]; 1029 1030 /** 1031 * osu_dir - OSU provider information directory 1032 * 1033 * If set, allow FETCH_OSU control interface command to be used to fetch 1034 * OSU provider information into all APs and store the results in this 1035 * directory. 1036 */ 1037 char *osu_dir; 1038 1039 /** 1040 * wowlan_triggers - Wake-on-WLAN triggers 1041 * 1042 * If set, these wowlan triggers will be configured. 1043 */ 1044 char *wowlan_triggers; 1045 1046 /** 1047 * p2p_search_delay - Extra delay between concurrent search iterations 1048 * 1049 * Add extra delay (in milliseconds) between search iterations when 1050 * there is a concurrent operation to make p2p_find friendlier to 1051 * concurrent operations by avoiding it from taking 100% of radio 1052 * resources. 1053 */ 1054 unsigned int p2p_search_delay; 1055 1056 /** 1057 * mac_addr - MAC address policy default 1058 * 1059 * 0 = use permanent MAC address 1060 * 1 = use random MAC address for each ESS connection 1061 * 2 = like 1, but maintain OUI (with local admin bit set) 1062 * 1063 * By default, permanent MAC address is used unless policy is changed by 1064 * the per-network mac_addr parameter. Global mac_addr=1 can be used to 1065 * change this default behavior. 1066 */ 1067 int mac_addr; 1068 1069 /** 1070 * rand_addr_lifetime - Lifetime of random MAC address in seconds 1071 */ 1072 unsigned int rand_addr_lifetime; 1073 1074 /** 1075 * preassoc_mac_addr - Pre-association MAC address policy 1076 * 1077 * 0 = use permanent MAC address 1078 * 1 = use random MAC address 1079 * 2 = like 1, but maintain OUI (with local admin bit set) 1080 */ 1081 int preassoc_mac_addr; 1082 }; 1083 1084 1085 /* Prototypes for common functions from config.c */ 1086 1087 void wpa_config_free(struct wpa_config *ssid); 1088 void wpa_config_free_ssid(struct wpa_ssid *ssid); 1089 void wpa_config_foreach_network(struct wpa_config *config, 1090 void (*func)(void *, struct wpa_ssid *), 1091 void *arg); 1092 struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id); 1093 struct wpa_ssid * wpa_config_add_network(struct wpa_config *config); 1094 int wpa_config_remove_network(struct wpa_config *config, int id); 1095 void wpa_config_set_network_defaults(struct wpa_ssid *ssid); 1096 int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value, 1097 int line); 1098 int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var, 1099 const char *value); 1100 char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys); 1101 char * wpa_config_get(struct wpa_ssid *ssid, const char *var); 1102 char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var); 1103 void wpa_config_update_psk(struct wpa_ssid *ssid); 1104 int wpa_config_add_prio_network(struct wpa_config *config, 1105 struct wpa_ssid *ssid); 1106 int wpa_config_update_prio_list(struct wpa_config *config); 1107 const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config, 1108 const char *name); 1109 void wpa_config_set_blob(struct wpa_config *config, 1110 struct wpa_config_blob *blob); 1111 void wpa_config_free_blob(struct wpa_config_blob *blob); 1112 int wpa_config_remove_blob(struct wpa_config *config, const char *name); 1113 void wpa_config_flush_blobs(struct wpa_config *config); 1114 1115 struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id); 1116 struct wpa_cred * wpa_config_add_cred(struct wpa_config *config); 1117 int wpa_config_remove_cred(struct wpa_config *config, int id); 1118 void wpa_config_free_cred(struct wpa_cred *cred); 1119 int wpa_config_set_cred(struct wpa_cred *cred, const char *var, 1120 const char *value, int line); 1121 char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var); 1122 1123 struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface, 1124 const char *driver_param); 1125 #ifndef CONFIG_NO_STDOUT_DEBUG 1126 void wpa_config_debug_dump_networks(struct wpa_config *config); 1127 #else /* CONFIG_NO_STDOUT_DEBUG */ 1128 #define wpa_config_debug_dump_networks(c) do { } while (0) 1129 #endif /* CONFIG_NO_STDOUT_DEBUG */ 1130 1131 1132 /* Prototypes for common functions from config.c */ 1133 int wpa_config_process_global(struct wpa_config *config, char *pos, int line); 1134 1135 1136 /* Prototypes for backend specific functions from the selected config_*.c */ 1137 1138 /** 1139 * wpa_config_read - Read and parse configuration database 1140 * @name: Name of the configuration (e.g., path and file name for the 1141 * configuration file) 1142 * @cfgp: Pointer to previously allocated configuration data or %NULL if none 1143 * Returns: Pointer to allocated configuration data or %NULL on failure 1144 * 1145 * This function reads configuration data, parses its contents, and allocates 1146 * data structures needed for storing configuration information. The allocated 1147 * data can be freed with wpa_config_free(). 1148 * 1149 * Each configuration backend needs to implement this function. 1150 */ 1151 struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp); 1152 1153 /** 1154 * wpa_config_write - Write or update configuration data 1155 * @name: Name of the configuration (e.g., path and file name for the 1156 * configuration file) 1157 * @config: Configuration data from wpa_config_read() 1158 * Returns: 0 on success, -1 on failure 1159 * 1160 * This function write all configuration data into an external database (e.g., 1161 * a text file) in a format that can be read with wpa_config_read(). This can 1162 * be used to allow wpa_supplicant to update its configuration, e.g., when a 1163 * new network is added or a password is changed. 1164 * 1165 * Each configuration backend needs to implement this function. 1166 */ 1167 int wpa_config_write(const char *name, struct wpa_config *config); 1168 1169 #endif /* CONFIG_H */ 1170