510 lines
14 KiB
C
510 lines
14 KiB
C
/*
|
|
* WPA Supplicant / Network configuration structures
|
|
* Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This software may be distributed under the terms of the BSD license.
|
|
* See README for more details.
|
|
*/
|
|
|
|
#ifndef CONFIG_SSID_H
|
|
#define CONFIG_SSID_H
|
|
|
|
#include "common/defs.h"
|
|
#include "eap_peer/eap_config.h"
|
|
|
|
#define MAX_SSID_LEN 32
|
|
|
|
|
|
#define DEFAULT_EAP_WORKAROUND ((unsigned int) -1)
|
|
#define DEFAULT_EAPOL_FLAGS (EAPOL_FLAG_REQUIRE_KEY_UNICAST | \
|
|
EAPOL_FLAG_REQUIRE_KEY_BROADCAST)
|
|
#define DEFAULT_PROTO (WPA_PROTO_WPA | WPA_PROTO_RSN)
|
|
#define DEFAULT_KEY_MGMT (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X)
|
|
#define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
|
|
#define DEFAULT_GROUP (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | \
|
|
WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)
|
|
#define DEFAULT_FRAGMENT_SIZE 1398
|
|
|
|
#define DEFAULT_BG_SCAN_PERIOD -1
|
|
#define DEFAULT_DISABLE_HT 0
|
|
#define DEFAULT_DISABLE_HT40 0
|
|
#define DEFAULT_DISABLE_MAX_AMSDU -1 /* no change */
|
|
#define DEFAULT_AMPDU_FACTOR -1 /* no change */
|
|
#define DEFAULT_AMPDU_DENSITY -1 /* no change */
|
|
|
|
/**
|
|
* struct wpa_ssid - Network configuration data
|
|
*
|
|
* This structure includes all the configuration variables for a network. This
|
|
* data is included in the per-interface configuration data as an element of
|
|
* the network list, struct wpa_config::ssid. Each network block in the
|
|
* configuration is mapped to a struct wpa_ssid instance.
|
|
*/
|
|
struct wpa_ssid {
|
|
/**
|
|
* next - Next network in global list
|
|
*
|
|
* This pointer can be used to iterate over all networks. The head of
|
|
* this list is stored in the ssid field of struct wpa_config.
|
|
*/
|
|
struct wpa_ssid *next;
|
|
|
|
/**
|
|
* pnext - Next network in per-priority list
|
|
*
|
|
* This pointer can be used to iterate over all networks in the same
|
|
* priority class. The heads of these list are stored in the pssid
|
|
* fields of struct wpa_config.
|
|
*/
|
|
struct wpa_ssid *pnext;
|
|
|
|
/**
|
|
* id - Unique id for the network
|
|
*
|
|
* This identifier is used as a unique identifier for each network
|
|
* block when using the control interface. Each network is allocated an
|
|
* id when it is being created, either when reading the configuration
|
|
* file or when a new network is added through the control interface.
|
|
*/
|
|
int id;
|
|
|
|
/**
|
|
* priority - Priority group
|
|
*
|
|
* By default, all networks will get same priority group (0). If some
|
|
* of the networks are more desirable, this field can be used to change
|
|
* the order in which wpa_supplicant goes through the networks when
|
|
* selecting a BSS. The priority groups will be iterated in decreasing
|
|
* priority (i.e., the larger the priority value, the sooner the
|
|
* network is matched against the scan results). Within each priority
|
|
* group, networks will be selected based on security policy, signal
|
|
* strength, etc.
|
|
*
|
|
* Please note that AP scanning with scan_ssid=1 and ap_scan=2 mode are
|
|
* not using this priority to select the order for scanning. Instead,
|
|
* they try the networks in the order that used in the configuration
|
|
* file.
|
|
*/
|
|
int priority;
|
|
|
|
/**
|
|
* ssid - Service set identifier (network name)
|
|
*
|
|
* This is the SSID for the network. For wireless interfaces, this is
|
|
* used to select which network will be used. If set to %NULL (or
|
|
* ssid_len=0), any SSID can be used. For wired interfaces, this must
|
|
* be set to %NULL. Note: SSID may contain any characters, even nul
|
|
* (ASCII 0) and as such, this should not be assumed to be a nul
|
|
* terminated string. ssid_len defines how many characters are valid
|
|
* and the ssid field is not guaranteed to be nul terminated.
|
|
*/
|
|
u8 *ssid;
|
|
|
|
/**
|
|
* ssid_len - Length of the SSID
|
|
*/
|
|
size_t ssid_len;
|
|
|
|
/**
|
|
* bssid - BSSID
|
|
*
|
|
* If set, this network block is used only when associating with the AP
|
|
* using the configured BSSID
|
|
*
|
|
* If this is a persistent P2P group (disabled == 2), this is the GO
|
|
* Device Address.
|
|
*/
|
|
u8 bssid[ETH_ALEN];
|
|
|
|
/**
|
|
* bssid_set - Whether BSSID is configured for this network
|
|
*/
|
|
int bssid_set;
|
|
|
|
/**
|
|
* psk - WPA pre-shared key (256 bits)
|
|
*/
|
|
u8 psk[32];
|
|
|
|
/**
|
|
* psk_set - Whether PSK field is configured
|
|
*/
|
|
int psk_set;
|
|
|
|
/**
|
|
* passphrase - WPA ASCII passphrase
|
|
*
|
|
* If this is set, psk will be generated using the SSID and passphrase
|
|
* configured for the network. ASCII passphrase must be between 8 and
|
|
* 63 characters (inclusive).
|
|
*/
|
|
char *passphrase;
|
|
|
|
/**
|
|
* pairwise_cipher - Bitfield of allowed pairwise ciphers, WPA_CIPHER_*
|
|
*/
|
|
int pairwise_cipher;
|
|
|
|
/**
|
|
* group_cipher - Bitfield of allowed group ciphers, WPA_CIPHER_*
|
|
*/
|
|
int group_cipher;
|
|
|
|
/**
|
|
* key_mgmt - Bitfield of allowed key management protocols
|
|
*
|
|
* WPA_KEY_MGMT_*
|
|
*/
|
|
int key_mgmt;
|
|
|
|
/**
|
|
* bg_scan_period - Background scan period in seconds, 0 to disable, or
|
|
* -1 to indicate no change to default driver configuration
|
|
*/
|
|
int bg_scan_period;
|
|
|
|
/**
|
|
* proto - Bitfield of allowed protocols, WPA_PROTO_*
|
|
*/
|
|
int proto;
|
|
|
|
/**
|
|
* auth_alg - Bitfield of allowed authentication algorithms
|
|
*
|
|
* WPA_AUTH_ALG_*
|
|
*/
|
|
int auth_alg;
|
|
|
|
/**
|
|
* scan_ssid - Scan this SSID with Probe Requests
|
|
*
|
|
* scan_ssid can be used to scan for APs using hidden SSIDs.
|
|
* Note: Many drivers do not support this. ap_mode=2 can be used with
|
|
* such drivers to use hidden SSIDs.
|
|
*/
|
|
int scan_ssid;
|
|
|
|
#ifdef IEEE8021X_EAPOL
|
|
#define EAPOL_FLAG_REQUIRE_KEY_UNICAST BIT(0)
|
|
#define EAPOL_FLAG_REQUIRE_KEY_BROADCAST BIT(1)
|
|
/**
|
|
* eapol_flags - Bit field of IEEE 802.1X/EAPOL options (EAPOL_FLAG_*)
|
|
*/
|
|
int eapol_flags;
|
|
|
|
/**
|
|
* eap - EAP peer configuration for this network
|
|
*/
|
|
struct eap_peer_config eap;
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
#define NUM_WEP_KEYS 4
|
|
#define MAX_WEP_KEY_LEN 16
|
|
/**
|
|
* wep_key - WEP keys
|
|
*/
|
|
u8 wep_key[NUM_WEP_KEYS][MAX_WEP_KEY_LEN];
|
|
|
|
/**
|
|
* wep_key_len - WEP key lengths
|
|
*/
|
|
size_t wep_key_len[NUM_WEP_KEYS];
|
|
|
|
/**
|
|
* wep_tx_keyidx - Default key index for TX frames using WEP
|
|
*/
|
|
int wep_tx_keyidx;
|
|
|
|
/**
|
|
* proactive_key_caching - Enable proactive key caching
|
|
*
|
|
* This field can be used to enable proactive key caching which is also
|
|
* known as opportunistic PMKSA caching for WPA2. This is disabled (0)
|
|
* by default. Enable by setting this to 1.
|
|
*
|
|
* Proactive key caching is used to make supplicant assume that the APs
|
|
* are using the same PMK and generate PMKSA cache entries without
|
|
* doing RSN pre-authentication. This requires support from the AP side
|
|
* and is normally used with wireless switches that co-locate the
|
|
* authenticator.
|
|
*/
|
|
int proactive_key_caching;
|
|
|
|
/**
|
|
* mixed_cell - Whether mixed cells are allowed
|
|
*
|
|
* This option can be used to configure whether so called mixed cells,
|
|
* i.e., networks that use both plaintext and encryption in the same
|
|
* SSID, are allowed. This is disabled (0) by default. Enable by
|
|
* setting this to 1.
|
|
*/
|
|
int mixed_cell;
|
|
|
|
#ifdef IEEE8021X_EAPOL
|
|
|
|
/**
|
|
* leap - Number of EAP methods using LEAP
|
|
*
|
|
* This field should be set to 1 if LEAP is enabled. This is used to
|
|
* select IEEE 802.11 authentication algorithm.
|
|
*/
|
|
int leap;
|
|
|
|
/**
|
|
* non_leap - Number of EAP methods not using LEAP
|
|
*
|
|
* This field should be set to >0 if any EAP method other than LEAP is
|
|
* enabled. This is used to select IEEE 802.11 authentication
|
|
* algorithm.
|
|
*/
|
|
int non_leap;
|
|
|
|
/**
|
|
* eap_workaround - EAP workarounds enabled
|
|
*
|
|
* wpa_supplicant supports number of "EAP workarounds" to work around
|
|
* interoperability issues with incorrectly behaving authentication
|
|
* servers. This is recommended to be enabled by default because some
|
|
* of the issues are present in large number of authentication servers.
|
|
*
|
|
* Strict EAP conformance mode can be configured by disabling
|
|
* workarounds with eap_workaround = 0.
|
|
*/
|
|
unsigned int eap_workaround;
|
|
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
/**
|
|
* mode - IEEE 802.11 operation mode (Infrastucture/IBSS)
|
|
*
|
|
* 0 = infrastructure (Managed) mode, i.e., associate with an AP.
|
|
*
|
|
* 1 = IBSS (ad-hoc, peer-to-peer)
|
|
*
|
|
* 2 = AP (access point)
|
|
*
|
|
* 3 = P2P Group Owner (can be set in the configuration file)
|
|
*
|
|
* 4 = P2P Group Formation (used internally; not in configuration
|
|
* files)
|
|
*
|
|
* Note: IBSS can only be used with key_mgmt NONE (plaintext and
|
|
* static WEP) and key_mgmt=WPA-NONE (fixed group key TKIP/CCMP). In
|
|
* addition, ap_scan has to be set to 2 for IBSS. WPA-None requires
|
|
* following network block options: proto=WPA, key_mgmt=WPA-NONE,
|
|
* pairwise=NONE, group=TKIP (or CCMP, but not both), and psk must also
|
|
* be set (either directly or using ASCII passphrase).
|
|
*/
|
|
enum wpas_mode {
|
|
WPAS_MODE_INFRA = 0,
|
|
WPAS_MODE_IBSS = 1,
|
|
WPAS_MODE_AP = 2,
|
|
WPAS_MODE_P2P_GO = 3,
|
|
WPAS_MODE_P2P_GROUP_FORMATION = 4,
|
|
} mode;
|
|
|
|
/**
|
|
* disabled - Whether this network is currently disabled
|
|
*
|
|
* 0 = this network can be used (default).
|
|
* 1 = this network block is disabled (can be enabled through
|
|
* ctrl_iface, e.g., with wpa_cli or wpa_gui).
|
|
* 2 = this network block includes parameters for a persistent P2P
|
|
* group (can be used with P2P ctrl_iface commands)
|
|
*/
|
|
int disabled;
|
|
|
|
/**
|
|
* peerkey - Whether PeerKey handshake for direct links is allowed
|
|
*
|
|
* This is only used when both RSN/WPA2 and IEEE 802.11e (QoS) are
|
|
* enabled.
|
|
*
|
|
* 0 = disabled (default)
|
|
* 1 = enabled
|
|
*/
|
|
int peerkey;
|
|
|
|
/**
|
|
* id_str - Network identifier string for external scripts
|
|
*
|
|
* This value is passed to external ctrl_iface monitors in
|
|
* WPA_EVENT_CONNECTED event and wpa_cli sets this as WPA_ID_STR
|
|
* environment variable for action scripts.
|
|
*/
|
|
char *id_str;
|
|
|
|
#ifdef CONFIG_IEEE80211W
|
|
/**
|
|
* ieee80211w - Whether management frame protection is enabled
|
|
*
|
|
* This value is used to configure policy for management frame
|
|
* protection (IEEE 802.11w). 0 = disabled, 1 = optional, 2 = required.
|
|
*/
|
|
enum mfp_options ieee80211w;
|
|
#endif /* CONFIG_IEEE80211W */
|
|
|
|
/**
|
|
* frequency - Channel frequency in megahertz (MHz) for IBSS
|
|
*
|
|
* This value is used to configure the initial channel for IBSS (adhoc)
|
|
* networks, e.g., 2412 = IEEE 802.11b/g channel 1. It is ignored in
|
|
* the infrastructure mode. In addition, this value is only used by the
|
|
* station that creates the IBSS. If an IBSS network with the
|
|
* configured SSID is already present, the frequency of the network
|
|
* will be used instead of this configured value.
|
|
*/
|
|
int frequency;
|
|
|
|
/**
|
|
* wpa_ptk_rekey - Maximum lifetime for PTK in seconds
|
|
*
|
|
* This value can be used to enforce rekeying of PTK to mitigate some
|
|
* attacks against TKIP deficiencies.
|
|
*/
|
|
int wpa_ptk_rekey;
|
|
|
|
/**
|
|
* scan_freq - Array of frequencies to scan or %NULL for all
|
|
*
|
|
* This is an optional zero-terminated array of frequencies in
|
|
* megahertz (MHz) to include in scan requests when searching for this
|
|
* network. This can be used to speed up scanning when the network is
|
|
* known to not use all possible channels.
|
|
*/
|
|
int *scan_freq;
|
|
|
|
/**
|
|
* bgscan - Background scan and roaming parameters or %NULL if none
|
|
*
|
|
* This is an optional set of parameters for background scanning and
|
|
* roaming within a network (ESS) in following format:
|
|
* <bgscan module name>:<module parameters>
|
|
*/
|
|
char *bgscan;
|
|
|
|
/**
|
|
* ignore_broadcast_ssid - Hide SSID in AP mode
|
|
*
|
|
* Send empty SSID in beacons and ignore probe request frames that do
|
|
* not specify full SSID, i.e., require stations to know SSID.
|
|
* default: disabled (0)
|
|
* 1 = send empty (length=0) SSID in beacon and ignore probe request
|
|
* for broadcast SSID
|
|
* 2 = clear SSID (ASCII 0), but keep the original length (this may be
|
|
* required with some clients that do not support empty SSID) and
|
|
* ignore probe requests for broadcast SSID
|
|
*/
|
|
int ignore_broadcast_ssid;
|
|
|
|
/**
|
|
* freq_list - Array of allowed frequencies or %NULL for all
|
|
*
|
|
* This is an optional zero-terminated array of frequencies in
|
|
* megahertz (MHz) to allow for selecting the BSS. If set, scan results
|
|
* that do not match any of the specified frequencies are not
|
|
* considered when selecting a BSS.
|
|
*/
|
|
int *freq_list;
|
|
|
|
/**
|
|
* p2p_client_list - List of P2P Clients in a persistent group (GO)
|
|
*
|
|
* This is a list of P2P Clients (P2P Device Address) that have joined
|
|
* the persistent group. This is maintained on the GO for persistent
|
|
* group entries (disabled == 2).
|
|
*/
|
|
u8 *p2p_client_list;
|
|
|
|
/**
|
|
* num_p2p_clients - Number of entries in p2p_client_list
|
|
*/
|
|
size_t num_p2p_clients;
|
|
|
|
/**
|
|
* p2p_group - Network generated as a P2P group (used internally)
|
|
*/
|
|
int p2p_group;
|
|
|
|
/**
|
|
* p2p_persistent_group - Whether this is a persistent group
|
|
*/
|
|
int p2p_persistent_group;
|
|
|
|
/**
|
|
* temporary - Whether this network is temporary and not to be saved
|
|
*/
|
|
int temporary;
|
|
|
|
/**
|
|
* export_keys - Whether keys may be exported
|
|
*
|
|
* This attribute will be set when keys are determined through
|
|
* WPS or similar so that they may be exported.
|
|
*/
|
|
int export_keys;
|
|
|
|
#ifdef CONFIG_HT_OVERRIDES
|
|
/**
|
|
* disable_ht - Disable HT (IEEE 802.11n) for this network
|
|
*
|
|
* By default, use it if it is available, but this can be configured
|
|
* to 1 to have it disabled.
|
|
*/
|
|
int disable_ht;
|
|
|
|
/**
|
|
* disable_ht40 - Disable HT40 for this network
|
|
*
|
|
* By default, use it if it is available, but this can be configured
|
|
* to 1 to have it disabled.
|
|
*/
|
|
int disable_ht40;
|
|
|
|
/**
|
|
* disable_max_amsdu - Disable MAX A-MSDU
|
|
*
|
|
* A-MDSU will be 3839 bytes when disabled, or 7935
|
|
* when enabled (assuming it is otherwise supported)
|
|
* -1 (default) means do not apply any settings to the kernel.
|
|
*/
|
|
int disable_max_amsdu;
|
|
|
|
/**
|
|
* ampdu_factor - Maximum A-MPDU Length Exponent
|
|
*
|
|
* Value: 0-3, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
|
|
*/
|
|
int ampdu_factor;
|
|
|
|
/**
|
|
* ampdu_density - Minimum A-MPDU Start Spacing
|
|
*
|
|
* Value: 0-7, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
|
|
*/
|
|
int ampdu_density;
|
|
|
|
/**
|
|
* ht_mcs - Allowed HT-MCS rates, in ASCII hex: ffff0000...
|
|
*
|
|
* By default (empty string): Use whatever the OS has configured.
|
|
*/
|
|
char *ht_mcs;
|
|
#endif /* CONFIG_HT_OVERRIDES */
|
|
|
|
/**
|
|
* ap_max_inactivity - Timeout in seconds to detect STA's inactivity
|
|
*
|
|
* This timeout value is used in AP mode to clean up inactive stations.
|
|
* By default: 300 seconds.
|
|
*/
|
|
int ap_max_inactivity;
|
|
|
|
/**
|
|
* dtim_period - DTIM period in Beacon intervals
|
|
* By default: 2
|
|
*/
|
|
int dtim_period;
|
|
};
|
|
|
|
#endif /* CONFIG_SSID_H */
|