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ChangeLog for hostapd

2006-06-20 - v0.5.4
	* fixed nt_password_hash build [Bug 144]
	* added PeerKey handshake implementation for IEEE 802.11e
	  direct link setup (DLS) to replace STAKey handshake
	* added support for EAP Generalized Pre-Shared Key (EAP-GPSK,
	  draft-clancy-emu-eap-shared-secret-00.txt)
	* fixed a segmentation fault when RSN pre-authentication was completed
	  successfully [Bug 152]

2006-04-27 - v0.5.3
	* do not build nt_password_hash and hlr_auc_gw by default to avoid
	  requiring a TLS library for a successful build; these programs can be
	  build with 'make nt_password_hash' and 'make hlr_auc_gw'
	* added a new configuration option, eapol_version, that can be used to
	  set EAPOL version to 1 (default is 2) to work around broken client
	  implementations that drop EAPOL frames which use version number 2
	  [Bug 89]
	* added support for EAP-SAKE (no EAP method number allocated yet, so
	  this is using the same experimental type 255 as EAP-PSK)
	* fixed EAP-MSCHAPv2 message length validation

2006-03-19 - v0.5.2
	* fixed stdarg use in hostapd_logger(): if both stdout and syslog
	  logging was enabled, hostapd could trigger a segmentation fault in
	  vsyslog on some CPU -- C library combinations
	* moved HLR/AuC gateway implementation for EAP-SIM/AKA into an external
	  program to make it easier to use for implementing real SS7 gateway;
	  eap_sim_db is not anymore used as a file name for GSM authentication
	  triplets; instead, it is path to UNIX domain socket that will be used
	  to communicate with the external gateway program (e.g., hlr_auc_gw)
	* added example HLR/AuC gateway implementation, hlr_auc_gw, that uses
	  local information (GSM authentication triplets from a text file and
	  hardcoded AKA authentication data); this can be used to test EAP-SIM
	  and EAP-AKA
	* added Milenage algorithm (example 3GPP AKA algorithm) to hlr_auc_gw
	  to make it possible to test EAP-AKA with real USIM cards (this is
	  disabled by default; define AKA_USE_MILENAGE when building hlr_auc_gw
	  to enable this)
	* driver_madwifi: added support for getting station RSN IE from
	  madwifi-ng svn r1453 and newer; this fixes RSN that was apparently
	  broken with earlier change (r1357) in the driver
	* changed EAP method registration to use a dynamic list of methods
	  instead of a static list generated at build time
	* fixed WPA message 3/4 not to encrypt Key Data field (WPA IE)
	  [Bug 125]
	* added ap_max_inactivity configuration parameter

2006-01-29 - v0.5.1
	* driver_test: added better support for multiple APs and STAs by using
	  a directory with sockets that include MAC address for each device in
	  the name (test_socket=DIR:/tmp/test)
	* added support for EAP expanded type (vendor specific EAP methods)

2005-12-18 - v0.5.0 (beginning of 0.5.x development releases)
	* added experimental STAKey handshake implementation for IEEE 802.11e
	  direct link setup (DLS); note: this is disabled by default in both
	  build and runtime configuration (can be enabled with CONFIG_STAKEY=y
	  and stakey=1)
	* added support for EAP methods to use callbacks to external programs
	  by buffering a pending request and processing it after the EAP method
	  is ready to continue
	* improved EAP-SIM database interface to allow external request to GSM
	  HLR/AuC without blocking hostapd process
	* added support for using EAP-SIM pseudonyms and fast re-authentication
	* added support for EAP-AKA in the integrated EAP authenticator
	* added support for matching EAP identity prefixes (e.g., "1"*) in EAP
	  user database to allow EAP-SIM/AKA selection without extra roundtrip
	  for EAP-Nak negotiation
	* added support for storing EAP user password as NtPasswordHash instead
	  of plaintext password when using MSCHAP or MSCHAPv2 for
	  authentication (hash:<16-octet hex value>); added nt_password_hash
	  tool for hashing password to generate NtPasswordHash

2005-11-20 - v0.4.7 (beginning of 0.4.x stable releases)
	* driver_wired: fixed EAPOL sending to optionally use PAE group address
	  as the destination instead of supplicant MAC address; this is
	  disabled by default, but should be enabled with use_pae_group_addr=1
	  in configuration file if the wired interface is used by only one
	  device at the time (common switch configuration)
	* driver_madwifi: configure driver to use TKIP countermeasures in order
	  to get correct behavior (IEEE 802.11 association failing; previously,
	  association succeeded, but hostpad forced disassociation immediately)
	* driver_madwifi: added support for madwifi-ng

2005-10-27 - v0.4.6
	* added support for replacing user identity from EAP with RADIUS
	  User-Name attribute from Access-Accept message, if that is included,
	  for the RADIUS accounting messages (e.g., for EAP-PEAP/TTLS to get
	  tunneled identity into accounting messages when the RADIUS server
	  does not support better way of doing this with Class attribute)
	* driver_madwifi: fixed EAPOL packet receive for configuration where
	  ath# is part of a bridge interface
	* added a configuration file and log analyzer script for logwatch
	* fixed EAPOL state machine step function to process all state
	  transitions before processing new events; this resolves a race
	  condition in which EAPOL-Start message could trigger hostapd to send
	  two EAP-Response/Identity frames to the authentication server

2005-09-25 - v0.4.5
	* added client CA list to the TLS certificate request in order to make
	  it easier for the client to select which certificate to use
	* added experimental support for EAP-PSK
	* added support for WE-19 (hostap, madwifi)

2005-08-21 - v0.4.4
	* fixed build without CONFIG_RSN_PREAUTH
	* fixed FreeBSD build

2005-06-26 - v0.4.3
	* fixed PMKSA caching to copy User-Name and Class attributes so that
	  RADIUS accounting gets correct information
	* start RADIUS accounting only after successful completion of WPA
	  4-Way Handshake if WPA-PSK is used
	* fixed PMKSA caching for the case where STA (re)associates without
	  first disassociating

2005-06-12 - v0.4.2
	* EAP-PAX is now registered as EAP type 46
	* fixed EAP-PAX MAC calculation
	* fixed EAP-PAX CK and ICK key derivation
	* renamed eap_authenticator configuration variable to eap_server to
	  better match with RFC 3748 (EAP) terminology
	* driver_test: added support for testing hostapd with wpa_supplicant
	  by using test driver interface without any kernel drivers or network
	  cards

2005-05-22 - v0.4.1
	* fixed RADIUS server initialization when only auth or acct server
	  is configured and the other one is left empty
	* driver_madwifi: added support for RADIUS accounting
	* driver_madwifi: added preliminary support for compiling against 'BSD'
	  branch of madwifi CVS tree
	* driver_madwifi: fixed pairwise key removal to allow WPA reauth
	  without disassociation
	* added support for reading additional certificates from PKCS#12 files
	  and adding them to the certificate chain
	* fixed RADIUS Class attribute processing to only use Access-Accept
	  packets to update Class; previously, other RADIUS authentication
	  packets could have cleared Class attribute
	* added support for more than one Class attribute in RADIUS packets
	* added support for verifying certificate revocation list (CRL) when
	  using integrated EAP authenticator for EAP-TLS; new hostapd.conf
	  options 'check_crl'; CRL must be included in the ca_cert file for now

2005-04-25 - v0.4.0 (beginning of 0.4.x development releases)
	* added support for including network information into
	  EAP-Request/Identity message (ASCII-0 (nul) in eap_message)
	  (e.g., to implement draft-adrange-eap-network-discovery-07.txt)
	* fixed a bug which caused some RSN pre-authentication cases to use
	  freed memory and potentially crash hostapd
	* fixed private key loading for cases where passphrase is not set
	* added support for sending TLS alerts and aborting authentication
	  when receiving a TLS alert
	* fixed WPA2 to add PMKSA cache entry when using integrated EAP
	  authenticator
	* fixed PMKSA caching (EAP authentication was not skipped correctly
	  with the new state machine changes from IEEE 802.1X draft)
	* added support for RADIUS over IPv6; own_ip_addr, auth_server_addr,
	  and acct_server_addr can now be IPv6 addresses (CONFIG_IPV6=y needs
	  to be added to .config to include IPv6 support); for RADIUS server,
	  radius_server_ipv6=1 needs to be set in hostapd.conf and addresses
	  in RADIUS clients file can then use IPv6 format
	* added experimental support for EAP-PAX
	* replaced hostapd control interface library (hostapd_ctrl.[ch]) with
	  the same implementation that wpa_supplicant is using (wpa_ctrl.[ch])

2005-02-12 - v0.3.7 (beginning of 0.3.x stable releases)

2005-01-23 - v0.3.5
	* added support for configuring a forced PEAP version based on the
	  Phase 1 identity
	* fixed PEAPv1 to use tunneled EAP-Success/Failure instead of EAP-TLV
	  to terminate authentication
	* fixed EAP identifier duplicate processing with the new IEEE 802.1X
	  draft
	* clear accounting data in the driver when starting a new accounting
	  session
	* driver_madwifi: filter wireless events based on ifindex to allow more
	  than one network interface to be used
	* fixed WPA message 2/4 processing not to cancel timeout for TimeoutEvt
	  setting if the packet does not pass MIC verification (e.g., due to
	  incorrect PSK); previously, message 1/4 was not tried again if an
	  invalid message 2/4 was received
	* fixed reconfiguration of RADIUS client retransmission timer when
	  adding a new message to the pending list; previously, timer was not
	  updated at this point and if there was a pending message with long
	  time for the next retry, the new message needed to wait that long for
	  its first retry, too

2005-01-09 - v0.3.4
	* added support for configuring multiple allowed EAP types for Phase 2
	  authentication (EAP-PEAP, EAP-TTLS)
	* fixed EAPOL-Start processing to trigger WPA reauthentication
	  (previously, only EAPOL authentication was done)

2005-01-02 - v0.3.3
	* added support for EAP-PEAP in the integrated EAP authenticator
	* added support for EAP-GTC in the integrated EAP authenticator
	* added support for configuring list of EAP methods for Phase 1 so that
	  the integrated EAP authenticator can, e.g., use the wildcard entry
	  for EAP-TLS and EAP-PEAP
	* added support for EAP-TTLS in the integrated EAP authenticator
	* added support for EAP-SIM in the integrated EAP authenticator
	* added support for using hostapd as a RADIUS authentication server
	  with the integrated EAP authenticator taking care of EAP
	  authentication (new hostapd.conf options: radius_server_clients and
	  radius_server_auth_port); this is not included in default build; use
	  CONFIG_RADIUS_SERVER=y in .config to include

2004-12-19 - v0.3.2
	* removed 'daemonize' configuration file option since it has not really
	  been used at all for more than year
	* driver_madwifi: fixed group key setup and added get_ssid method
	* added support for EAP-MSCHAPv2 in the integrated EAP authenticator

2004-12-12 - v0.3.1
	* added support for integrated EAP-TLS authentication (new hostapd.conf
	  variables: ca_cert, server_cert, private_key, private_key_passwd);
	  this enabled dynamic keying (WPA2/WPA/IEEE 802.1X/WEP) without
	  external RADIUS server
	* added support for reading PKCS#12 (PFX) files (as a replacement for
	  PEM/DER) to get certificate and private key (CONFIG_PKCS12)

2004-12-05 - v0.3.0 (beginning of 0.3.x development releases)
	* added support for Acct-{Input,Output}-Gigawords
	* added support for Event-Timestamp (in RADIUS Accounting-Requests)
	* added support for RADIUS Authentication Client MIB (RFC2618)
	* added support for RADIUS Accounting Client MIB (RFC2620)
	* made EAP re-authentication period configurable (eap_reauth_period)
	* fixed EAPOL reauthentication to trigger WPA/WPA2 reauthentication
	* fixed EAPOL state machine to stop if STA is removed during
	  eapol_sm_step(); this fixes at least one segfault triggering bug with
	  IEEE 802.11i pre-authentication
	* added support for multiple WPA pre-shared keys (e.g., one for each
	  client MAC address or keys shared by a group of clients);
	  new hostapd.conf field wpa_psk_file for setting path to a text file
	  containing PSKs, see hostapd.wpa_psk for an example
	* added support for multiple driver interfaces to allow hostapd to be
	  used with other drivers
	* added wired authenticator driver interface (driver=wired in
	  hostapd.conf, see wired.conf for example configuration)
	* added madwifi driver interface (driver=madwifi in hostapd.conf, see
	  madwifi.conf for example configuration; Note: include files from
	  madwifi project is needed for building and a configuration file,
	  .config, needs to be created in hostapd directory with
	  CONFIG_DRIVER_MADWIFI=y to include this driver interface in hostapd
	  build)
	* fixed an alignment issue that could cause SHA-1 to fail on some
	  platforms (e.g., Intel ixp425 with a compiler that does not 32-bit
	  align variables)
	* fixed RADIUS reconnection after an error in sending interim
	  accounting packets
	* added hostapd control interface for external programs and an example
	  CLI, hostapd_cli (like wpa_cli for wpa_supplicant)
	* started adding dot11, dot1x, radius MIBs ('hostapd_cli mib',
	  'hostapd_cli sta <addr>')
	* finished update from IEEE 802.1X-2001 to IEEE 802.1X-REV (now d11)
	* added support for strict GTK rekeying (wpa_strict_rekey in
	  hostapd.conf)
	* updated IAPP to use UDP port 3517 and multicast address 224.0.1.178
	  (instead of broadcast) for IAPP ADD-notify (moved from draft 3 to
	  IEEE 802.11F-2003)
	* added Prism54 driver interface (driver=prism54 in hostapd.conf;
	  note: .config needs to be created in hostapd directory with
	  CONFIG_DRIVER_PRISM54=y to include this driver interface in hostapd
	  build)
	* dual-licensed hostapd (GPLv2 and BSD licenses)
	* fixed RADIUS accounting to generate a new session id for cases where
	  a station reassociates without first being complete deauthenticated
	* fixed STA disassociation handler to mark next timeout state to
	  deauthenticate the station, i.e., skip long wait for inactivity poll
	  and extra disassociation, if the STA disassociates without
	  deauthenticating
	* added integrated EAP authenticator that can be used instead of
	  external RADIUS authentication server; currently, only EAP-MD5 is
	  supported, so this cannot yet be used for key distribution; the EAP
	  method interface is generic, though, so adding new EAP methods should
	  be straightforward; new hostapd.conf variables: 'eap_authenticator'
	  and 'eap_user_file'; this obsoletes "minimal authentication server"
	  ('minimal_eap' in hostapd.conf) which is now removed
	* added support for FreeBSD and driver interface for the BSD net80211
	  layer (driver=bsd in hostapd.conf and CONFIG_DRIVER_BSD=y in
	  .config); please note that some of the required kernel mods have not
	  yet been committed

2004-07-17 - v0.2.4 (beginning of 0.2.x stable releases)
	* fixed some accounting cases where Accounting-Start was sent when
	  IEEE 802.1X port was being deauthorized

2004-06-20 - v0.2.3
	* modified RADIUS client to re-connect the socket in case of certain
	  error codes that are generated when a network interface state is
	  changes (e.g., when IP address changes or the interface is set UP)
	* fixed couple of cases where EAPOL state for a station was freed
	  twice causing a segfault for hostapd
	* fixed couple of bugs in processing WPA deauthentication (freed data
	  was used)

2004-05-31 - v0.2.2
	* fixed WPA/WPA2 group rekeying to use key index correctly (GN/GM)
	* fixed group rekeying to send zero TSC in EAPOL-Key messages to fix
	  cases where STAs dropped multicast frames as replay attacks
	* added support for copying RADIUS Attribute 'Class' from
	  authentication messages into accounting messages
	* send canned EAP failure if RADIUS server sends Access-Reject without
	  EAP message (previously, Supplicant was not notified in this case)
	* fixed mixed WPA-PSK and WPA-EAP mode to work with WPA-PSK (i.e., do
	  not start EAPOL state machines if the STA selected to use WPA-PSK)

2004-05-06 - v0.2.1
	* added WPA and IEEE 802.11i/RSN (WPA2) Authenticator functionality
	  - based on IEEE 802.11i/D10.0 but modified to interoperate with WPA
	    (i.e., IEEE 802.11i/D3.0)
	  - supports WPA-only, RSN-only, and mixed WPA/RSN mode
	  - both WPA-PSK and WPA-RADIUS/EAP are supported
	  - PMKSA caching and pre-authentication
	  - new hostapd.conf variables: wpa, wpa_psk, wpa_passphrase,
	    wpa_key_mgmt, wpa_pairwise, wpa_group_rekey, wpa_gmk_rekey,
	    rsn_preauth, rsn_preauth_interfaces
	* fixed interim accounting to remove any pending accounting messages
	  to the STA before sending a new one

2004-02-15 - v0.2.0
	* added support for Acct-Interim-Interval:
	  - draft-ietf-radius-acct-interim-01.txt
	  - use Acct-Interim-Interval attribute from Access-Accept if local
	    'radius_acct_interim_interval' is not set
	  - allow different update intervals for each STA
	* fixed event loop to call signal handlers only after returning from
	  the real signal handler
	* reset sta->timeout_next after successful association to make sure
	  that the previously registered inactivity timer will not remove the
	  STA immediately (e.g., if STA deauthenticates and re-associates
	  before the timer is triggered).
	* added new hostapd.conf variable, nas_identifier, that can be used to
	  add an optional RADIUS Attribute, NAS-Identifier, into authentication
	  and accounting messages
	* added support for Accounting-On and Accounting-Off messages
	* fixed accounting session handling to send Accounting-Start only once
	  per session and not to send Accounting-Stop if the session was not
	  initialized properly
	* fixed Accounting-Stop statistics in cases where the message was
	  previously sent after the kernel entry for the STA (and/or IEEE
	  802.1X data) was removed


Note:

Older changes up to and including v0.1.0 are included in the ChangeLog
of the Host AP driver.