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ChangeLog
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OpenVPN ChangeLog
Copyright (C) 2002-2023 OpenVPN Inc <[email protected]>
2023.06.13 -- Version 2.6.5
Arne Schwabe (1):
Fix use-after-free with EVP_CIPHER_free
Frank Lichtenheld (6):
dco_linux: properly close dco version file
DCO: fix memory leak in dco_get_peer_stats_multi for Linux
Fix two unused assignments
sample-plugins: Fix memleak in client-connect example plugin
options: remove --key-method from usage message
msvc-generate: include version.m4.in in tarball
Ilya Shipitsin (1):
src/openvpn/dco_freebsd.c: handle malloc failure
Lev Stipakov (2):
dco-win: support for --dev-node
tapctl: generate driver-specific adapter names
Selva Nair (2):
Correctly handle Unicode names for exit event
Interactive service: do not force a target desktop for openvpn.exe
2023.05.11 -- Version 2.6.4
Arne Schwabe (3):
Remove unused variable line
Add Apache2 linking with for new commits
Fix compile error on TARGET_ANDROID
Frank Lichtenheld (2):
man page: Remove cruft from --topology documentation
tests: do not include t_client.sh in dist
Kristof Provost (1):
DCO: support key rotation notifications
Michael Nix (1):
fix typo in help text: --ignore-unknown-option
Selva Nair (2):
Format Windows error message in Unicode
Bugfix: dangling pointer passed to pkcs11-helper
2023.04.13 -- Version 2.6.3
Frank Lichtenheld (3):
GHA: remove Ubuntu 18.04 builds
vcpkg: request "tools" feature of openssl for MSVC build
doc: run rst2* with --strict to catch warnings
Lev Stipakov (1):
Support of DNS domain for DHCP-less drivers
Selva Nair (1):
Bug-fix: segfault in dco_get_peer_stats()
2023.03.24 -- Version 2.6.2
Antonio Quartulli (6):
dco: don't use NetLink to exchange control packets
dco: print version to log if available
dco-linux: remove M_ERRNO flag when printing netlink error message
multi: don't call DCO APIs if DCO is disabled
dco-freebsd: use m->instances[] instead of m->hash
dco-linux: implement dco_get_peer_stats{, multi} API
Arne Schwabe (12):
Set netlink socket to be non-blocking
Ensure n = 2 is set in key2 struct in tls_crypt_v2_unwrap_client_key
Fix memory leaks in open_tun_dco()
Fix memory leaks in HMAC initial packet generation
Use key_state instead of multi for tls_send_payload parameter
Make sending plain text control message session aware
Only update frame calculation if we have a valid link sockets
Improve description of compat-mode
Simplify --compress parsing in options.c
Refuse connection if server pushes an option contradicting allow-compress
Add 'allow-compression stub-only' internally for DCO
Parse compression options and bail out when compression is disabled
Frank Lichtenheld (1):
tests/unit_tests: Fix 'make distcheck' with subdir-objects enabled
Gert Doering (1):
preparing release 2.6.2
Heiko Hund (1):
dns option: allow up to eight addresses per server
Kristof Provost (1):
dco: print FreeBSD version
Lev Stipakov (4):
Support --inactive option for DCO
Fix '--inactive <time> 0' behavior for DCO
Print DCO client stats on SIGUSR2
Don't overwrite socket flags when using DCO on Windows
Michael Baentsch (1):
using OpenSSL3 API for EVP PKEY type name reporting
Selva Nair (8):
Bugfix: Convert ECDSA signature form pkcs11-helper to DER encoded form
Import some sample certificates into Windows store for testing
Add tests for finding certificates in Windows cert store
Refactor SSL_CTX_use_CryptoAPI_certificate()
Add a test for signing with certificates in Windows store
Unit tests: add test for SSL_CTX_use_Cryptoapi_certificate()
Improve error message on short read from socks proxy
Make error in setting metric for IPv6 interface non-fatal
2023.03.08 -- Version 2.6.1
Arne Schwabe (13):
Fix unaligned access in auth-token
Update LibreSSL to 3.7.0 in Github actions
Add printing USAN stack trace on github actions
Fix LibreSSL not building in Github Actions
Add missing stdint.h includes in unit tests files
Combine extra_tun/frame parameter of frame_calculate_payload_overhead
Update the last sections in the man page to a be a bit less outdated
Add building unit tests with mingw to github actions
Revise the cipher negotiation info about OpenVPN3 in the man page
Exit if a proper message instead of segfault on Android without management
Use proper print format/casting when converting msg_channel handle
Reduce initialisation spam from verb <= 3 and print summary instead
Dynamic tls-crypt for secure soft_reset/session renegotiation
Frank Lichtenheld (8):
Changes.rst: document removal of --keysize
Windows: fix unused function setenv_foreign_option
Windows: fix unused variables in delete_route_ipv6
Windows: fix wrong printf format in x_check_status
Windows: fix unused variable in win32_get_arch
configure: enable DCO by default on FreeBSD/Linux
Windows: fix signedness errors with recv/send
configure: fix formatting of --disable-lz4 and --enable-comp-stub
Gert Doering (2):
Get rid of unused 'bool tuntap_buffer' arguments.
FreeBSD 12.x workaround for IPv6 ifconfig is needed on 12.4 as well
Kristof Provost (3):
options.c: enforce a minimal fragment size
configure: improve FreeBSD DCO check
dco: define OVPN_DEL_PEER_REASON_TRANSPORT_DISCONNECT on FreeBSD
Lev Stipakov (6):
Allow certain DHCP options to be used without DHCP server
dco-win: use proper calling convention on x86
Improve format specifier for socket handle in Windows
Disable DCO if proxy is set via management
Add logging for windows driver selection process
Avoid management log loop with verb >= 6
Matthias Andree (1):
make dist: Ship ovpn_dco_freebsd.h, too
Selva Nair (9):
block-dns using iservice: fix a potential double free
Conditionally add subdir-objects option to automake
Build unit tests in mingw Windows build
cyryptapi.c: log the selected certificate's name
cryptoapi.c: remove pre OpenSSL-3.01 support
cryptoapi.c: simplify parsing of thumbprint hex string
Option --cryptoapicert: support issuer name as a selector
Add a unit test for functions in cryptoapi.c
Do not save pointer to 'struct passwd' returned by getpwnam etc.
2023.01.25 -- Version 2.6.0
Antonio Quartulli (1):
dco_linux: update license for ovpn_dco_linux.h
Arne Schwabe (1):
Workaround: make ovpn-dco more reliable
Gert Doering (3):
Fix OVPN_DEL_PEER_REASON_TRANSPORT_DISCONNECT breakage on FreeBSD+DCO
Repair special-casing of EEXIST for Linux/SITNL route install
preparing release 2.6.0
Lev Stipakov (3):
openvpnmsica: remove dco installer custom actions
openvpnmsica: remove unused declarations
openvpnmsica: fix adapters discovery logic for DCO
Selva Nair (4):
Define and use macros for route addition status code
Warn when pkcs11-id or pkcs11-id-management options are ignored
Cleanup route error and debug logging on Windows
Fix one more 'existing route may get deleted' case
Timo Rothenpieler (1):
Don't clear capability bounding set on capng_change_id
2023.01.12 -- Version 2.6_rc2
Antonio Quartulli (4):
dco: properly re-initialize dco_del_peer_reason
dco: bail out when no peer-specific message is delivered
dco: improve comment about hidden debug message
dco: print proper message in case of transport disconnection
Arne Schwabe (3):
Add connect-freq-initial option to limit initial connection responses
Log peer-id if loglevel is D_DCO_DEBUG and dco is enabled
Deprecate OCC checking
Frank Lichtenheld (7):
options.c: fix format security error when compiling without optimization
options.c: update usage description of --cipher
Update copyright year to 2023
xkey_pkcs11h_sign: fix dangling pointer
options: Always define options->management_flags
check_engine_keys: make pass with OpenSSL 3
documentation: update 'unsupported options' section
Gert Doering (3):
Undo FreeBSD 12.x workaround on IPv6 ifconfig for 12.4 and up
Reduce logspam about 'dco_update_keys: peer_id=-1' in p2p server mode
preparing release 2.6_rc2
Lev Stipakov (1):
tun: move print_windows_driver() out of tun.h
Selva Nair (11):
Properly unmap ring buffer file-map in interactive service
Use undo_lists for saving ring-buffer handles in interactive service
Cleanup: Close duplicated handles in interactive service
Preparing for better signal handling: some code refactoring
Refactor signal handling in openvpn_getaddrinfo
Use IPAPI for setting ipv6 routes when iservice not available
Fix signal handling on Windows
Assign and honour signal priority order
Distinguish route addition errors from route already exists
Propagate route error to initialization_completed()
Include CE_DISABLED status of remote in "remote-entry-get" response
2022.12.29 -- Version 2.6_rc1
Arne Schwabe (17):
Ensure that argument to parse_line has always space for final sentinel
Improve documentation on user/password requirement and unicodize function
Eliminate or comment empty blocks and switch fallthrough
Remove unused gc_arena
Fix corner case that might lead to leaked file descriptor
Deprecate NTLMv1 proxy auth method.
Use include "buffer.h" instead of include <buffer.h>
Ensure that dco keepalive and mssfix options are also set in pure p2p mode
Make management password check constant time
Rename TM_UNTRUSTED to TM_INITIAL, always start session in TM_INITIAL rather than TM_ACTIVE or TM_INITIAL
Move dco_installed back to link_socket from link_socket.info.actual
Do not set nl socket buffer size
Also drop incoming dco packet content when dropping the packet
Improve logging when seeing a message for an unkown peer
Ignore OVPN_DEL_PEER_REASON_USERSPACE to avoid race conditions
Replace custom min macro and use more C99 style in man_remote_entry_get
Replace realloc with new gc_realloc function
David Sommerseth (1):
ssl_verify: Fix memleak if creating deferred auth control files fails
Gert Doering (1):
bandaid fix for TCP multipoint server crash with Linux-DCO
Lev Stipakov (2):
git-version.py: proper support for tags
msvc: upgrade to Visual Studio 2022
Selva Nair (7):
Reduce default restart pause to 1 second
Do not include auth-token in pulled option digest
Persist DCO client data channel traffic stats on restart
Add remote-count and remote-entry query via management
Permit unlimited connection entries and remotes
Use a template for 'unsupported management commands' error
Allow skipping multple remotes via management interface
2022.12.15 -- Version 2.6_beta2
Antonio Quartulli (1):
disable DCO if --secret is specified
Arne Schwabe (7):
Fix connection cookie not including address and fix endianness in test
Fix unit test of test_pkt on little endian Linux
Disable DCO when TLS mode is not used
Ignore connection attempts while server is shutting down
Improve debug logging of DCO swap key message and Linux dco_new_peer
Trigger a USR1 if dco_update_keys fails
Set DCO_NOT_INSTALLED also for keys not in the get_key_scan range
Frank Lichtenheld (1):
ChangeLog: Fix encoding
Kristof Provost (4):
Read DCO traffic stats from the kernel
dco: Update counters when a client disconnects
Read the peer deletion reason from the kernel
dco: cleanup FreeBSD dco_do_read()
Lev Stipakov (3):
Rename dco_get_peer_stats to dco_get_peer_stats_multi
management: add timer to output BYTECOUNT
Introduce dco_get_peer_stats API and Windows implementation
Marc Becker (4):
unify code path for adding PKCS#11 providers
use new pkcs11-helper interface to add providers
special handling for PKCS11 providers on win32
vcpkg-ports/pkcs11-helper: support loader flags
Max Fillinger (2):
Correct tls-crypt-v2 metadata length in man page
Fix message for too long tls-crypt-v2 metadata
2022.12.01 -- Version 2.6_beta1
Adrian (1):
Fix error in example firewall.sh script
Antonio Quartulli (99):
tun.c: remove unused variable
openssl: fix EVP_PKEY_CTX memory leak
openssl: avoid NULL pointer dereference
ssl: remove unneeded if block
options: check for blanks in fingerprints and reject string if found
crypto: respect ECB argument type from prototype
Add documentation on EVENT_READ/EVENT_WRITE constants
windows: use appropriate and portable format specifier for 64bit pointer
windows: define variable only where used
windows: list all enum values in switch block
forward: get rid of useless declarations for actually static functions
mbedtls: do not define mbedtls_ctr_drbg_update_ret when not needed
route.c: pass the right parameter to IN6_IS_ADDR_UNSPECIFIED
man/protocol-options: add missing ending metachar
compat-mode: allow user to specify version to be compatible with
reject compression by default
Remove support for PF (Packet Filter)
configure: search also for rst2{man, html}.py
multi: remove extra brackets in multi_process_incoming_link()
do not include --cipher value in data-ciphers
compat-mode: add --data-cipher-fallback auomatically if requested
Set TLS 1.2 as minimum by default
doc: fix indentation in protocol-options.rst
networking: add and implement net_addr_ll_set() API
networking: add missing brackets
set_lladdr: use networking API net_addr_ll_set() on Linux
configure: remove useless -Wno-* from default CFLAGS
options.c: fix version reported in --cipher warning message
doc/cipher-negotiation.rst: avoid warning by fixing indentation
doc: remove PF leftovers from documentation
sig.c: define signal_handler on non-windows only
GitHub Actions: ensure Ubuntu builds are made with the chosen SSL library
ssl.c: use arrow operator to access object member
use 'static inline' instead of 'inline static'
GitHub Actions: add other config flavours
unit-test: fix test_crypto when USE_COMP is not defined
update copyright year to 2022
keyingmaterialexporter.c: include strings.h
crypto: move validation logic from cipher_get to cipher_valid
crypto: move OpenSSL specific FIPS check to its backend
Get rid of README.IPv6 and TODO.IPv6
auth_token/tls_crypt: fix usage of md_valid()
crypto: unify key_type creation code
remove unused sitnl.h file
options: drop useless netmask variable
networking: use OPENVPN_ETH_ALEN instead of ETH_ALEN
networking: silence warnings about unused arguments
networking_iproute2: don't pass M_WARN to openvpn_execve_check()
networking: implement net_iface_new and net_iface_del APIs
t_net.sh: delete dummy iface using iproute command
auth-pam.c: add missing include limits.h
dco: introduce low-level code for handling ovpn-dco in the Linux kernel
dco: add helper function to detect if DCO is enabled or not
dco: create DCO interface using SITNL
tls-crypt-v2: bail out if the client key is too small
dco: use specific metric when installing routes
networking: fix doc for net_iface_new() API
options: don't export local function pre_connect_save()
networking_sitnl: always return negative error code in case of failure
networking: add net_iface_type API
tun: create tun_name_is_fixed helper
dco: add option check - disable DCO if conflict is detected
dco: allow user to disable it at runtime
GitHub Actions: add Linux DCO build (on Ubuntu 20.04)
dco: introduce open_tun_dco_generic() to open dynamic or fixed-name DCO devices
dco: initialize context and save pointer in TLS object
dco: configure keys in DCO right after generating them
disable DCO if no --dev was specified
dco: periodically check and possibly rotate/delete keys
dco: split option parsing routines
push: fix compilation with --disable-management and --enable-werror
dco: check that pulled options are compatible
dco: implement dco support for p2p/client code path
dco: add documentation for ovpn-dco-linux
dco: implement dco support for p2mp/server code path
dco: perform pull options check only if we pulled any option
dco: disable DCO if --allow-compress yes/asym was specified
dco: turn supported ciphers list into a function
do_open_tun: restyle 'can preserve TUN' check
do_close_tun: get rid of one level of indentation
ovpn-dco: print some netlink messages to debug level
dco: move message to DCO debug level and reword a bit
dco: properly name variables
dco: don't pass VPN IPs to NEW_PEER API in P2P mode
dco-win: ensure the DCO API is not used when running on Windows
ssl_util: fix prototype style
dco: move availability check to the end of check_option_conflict() function
dco-win: introduce low-level code for handling ovpn-dco-win in Windows
dco-win: check for incompatible options
dco-win: implement ovpn-dco support in P2P Windows code path
dco-win: add documentation to README.dco.md
dco-win: update GH Actions config file
dco: trigger ping timeout event only if the peer expired
delete_routes(_ipv6): avoid memleak if RT_DEFINED is not set
solaris/open_tun: prevent crash when dev is empty string
do not push route-ipv6 entries that are also in the iroute-ipv6 list
auth-user-pass: add support for inline credentials
get_user_pass_cr: get password from stdin if missing inline
close_tun: print interface type consistently in message
Arne Schwabe (289):
Fix client's poor man NCP fallback
Refactor key_state_export_keying_material functions
Fix compilation with older mbed TLS versions (mbedtls_tls_prf_types undefined)
Fix client NCP OCC fallback when server and client cipher are identical
Move openvpn specific key expansion into its own function
Allow 'none' cipher being specified in --data-ciphers
Implement generating data channel keys via EKM/RFC 5705
Ignore deprecation warning for daemon on macOS
Add function for common env setting of verify user/pass calls
Inline function tls_get_peer_info
Align reliable_free with other free methods to accept NULL
Remove NULL checks before calling free
Remove explicit setting of peer_id to false
Remove --disable-def-auth configure argument
Replace key_scan array of static pointers with inline function
Add more documentation about our internal TLS functions
Improve keys out of sync message
Clean up tls_authentication_status and document it
Rename DECRYPT_KEY_ENABLED to TLS_AUTHENTICATED
Send AUTH_FAILED message to clients on renegotiation failures
Make any auth failure tls_authentication_status return auth failed
Fix auth-token not being updated if auth-nocache is set
Remove auth_user_pass.wait_for_push variable
Fix port-share option with TLS-Crypt v2
Zero initialise msghdr prior to calling sendmesg
Fix tls-auth mismatch OCC message when tls-cryptv2 is used.
Remove inetd support from OpenVPN
Change pull request timeout use a timeout rather than a number
Check return values in md_ctx_init and hmac_ctx_init
Implement client side handling of AUTH_PENDING message
Introduce management client state for AUTH_PENDING notifications
Add S_EXITCODE flag for openvpn_run_script to report exit code
Prefer TLS libraries TLS PRF function, fix OpenVPN in FIPS mode
Implement server side of AUTH_PENDING with extending timeout
Refactor extract_var_peer_info into standalone function and add ssl_util.c
Change parameter of send_auth_pending_messages from context to tls_multi
Allow pending auth to be send from a auth plugin
Avoid generating unecessary mbed debug messages
Add README.wolfssl documentating the state of WolfSSL in OpenVPN
Fix multiple problems when compiling with LLVM/Windows (clang-cl)
Move extract_iv_proto to ssl_util.c/h
Extend verify-hash to allow multiple hashes
Implement peer-fingerprint to check fingerprint of peer certificate
Document the simple self-signed certificate setup in examples
Deprecate the --verify-hash option
Remove empty dummy functions
Move restoring pre pull options to initialising of c2 context
Move NCP saving and restore to the prepush restore code
Restore also ping related options on a reconnect
Make buffer related function conversion explicit when narrowing
Fix socket related functions using int instead of socket_descriptor_t
Use correct types for OpenSSL and Windows APIs
Cleanup print_details and add signature/ED certificate print
Remove flexible array member autoconf check
Remove support for non ISO C99 vararg support
Fix #elif TARGET_LINUX missing defined() call
Remove superflous ifdefs around enum like defines
Rename tunnel_server_udp_single_threaded to tunnel_server_udp
Remove code for aligning non-swapped compression
Remove pointless tun_adjust_frame_parameters function
Remove unused field txqueuelen from struct tuntap
Remove unused function tls_test_auth_deferred_interval
Remove unused variable pass_config_info
Move is_proto function to the socket.h header
Implement '--compress migrate' to migrate to non-compression setup
Remove thread_mode field of multi_context
Extract multi_assign_peer_id into its own function
Remove do_init_socket_2 and do_init_socket_1 wrapper function
Always disable TLS renegotiations
Allow running a default configuration with TLS libraries without BF-CBC
Deprecate non TLS mode in OpenVPN
Remove deprecated option '--keysize'
Move auth deferred related members into its own struct
log file descriptor in more socket related error messages
Fix async push broken after auth deferred refactor
Remove conditionals compilation for P2MP, ENABLE_SHAPER and TIME_BACKTRACK_PROTECTION
Remove check for socket functions and Win XP compatbility code
Remove checks for uint* types that are part of C99
Remove a number of checks for functions/headers that are always present
Use EVP_CTRL_AEAD_* instead EVP_CTRL_GCM_*
Remove OpenSSL configure checks
Always save/restore pull options
Also restore/save compress related options in reconnects
Also restore/save route-gateway options on SIGUSR1 reconnects
Remove LibreSSL specific defines not needed for modern LibreSSL
Add parsing of dhcp-option PROXY_HTTP
Ensure using const variables with EVP_PKEY_get0_*
Move context_auth from context_2 to tls_multi and name it multi_state
Fix condition to generate session keys
Remove always enabled USE_64_BIT_COUNTERS define
Fix a number of mingw warnings
Move tls_select_primary_key into its own function
Allow all GCM ciphers
Change options->data_channel_use_ekm to flags
Implement deferred auth for scripts
Use functions to access key_state instead direct member access
Avoid failing_test unused warning in example_test
Move direct.h header where it is used
Replace OS_SPECIFIC_DIRSEP with PATH_SEPARATOR
Remove a number of platform specific checks in configure.ac
Remove --disable-multihome option
Remove support for blocking connect()
Fix memory leak in misc unit test
Fix binary and (&) used in auth-token check instead of logical and (&&)
Add missing free_key_ctx for auth_token
Remove explicit struct iovec check (HAVE_IOVEC)
Remove getpeername, getpid check
Inline do_init_auth_token_key
Add noreturn attribute for MSVC to assert_failed method.
Move utility function from win32.c to win32-util.c
Document stub-v2 being basically an alias for no compression at all
Return cached result in tls_authentication_status
Use exponential backoff for caching in tls_authentication_status
Add github actions
Silence warning about format string in check_ca_required
Implement auth-token-user
Move auth_token_state from multi to key_state
Add connection_established as state in tls_multi->context_auth
Make waiting on auth an explicit state in the context state machine
Ensure tls session is authenticated before sending push reply
Extracting key_state deferred auth status update into function
Move examples into openvpn-examples(5) man page
Introduce S_GENERATED_KEYS state and generate keys only when authenticated
Fix tls-cert-profile broken on OpenSSL 1.1+
Cleanup handling of initial auth token
Remove --ncp-disable option
Add detailed man page section to setup a OpenVPN setup with peer-fingerprint
Support NCP in pure P2P VPN setups
Remove unistd.h from unit test
Introduce webauth auth pending method and deprecate openurl
Include Chacha20-Poly1305 into default --data-ciphers when available
Detect unusable ciphers on patched OpenSSL of RHEL/Centos
Fix Ubuntu spelling and duplicate run in Github Actions
Add message when decoding PKCS12 file fails.
Add small unit test for testing HMAC
Deprecate --ecdh-curve with OpenSSL 3.0 and adjust mbed TLS message
Use EVP_PKEY based API for loading DH keys
Remove DES check with OpenSSL 3.0
Remove DES key fixup code
Do not allow CTS ciphers
Use new EVP_MAC API for HMAC implementation
Add --with-openssl-engine autoconf option (auto|yes|no)
Use EVP_PKEY_get_group_name to query group name
Replace EVP_get_cipherbyname with EVP_CIPHER_fetch
Use EVP_MD_get0_name instead EV_MD_name
Remove dependency on BF-CBC existance from test_ncp
Implement DES ECB encrypt via EVP_CIPHER api
Fix error when BF-CBC is not available
Fix function name in DH error message
Add insecure tls-cert-profile options
Remove custom PRNG function
Completely remove DES checks
Refactor early initialisation and uninitialisation into methods
Use TYPE_do_all_provided function for listing cipher/digest
Add macos OpenSSL 3.0 and ASAN builds
Allow loading of non default providers
Move IV_TCPNL from comp_generate_peer_info_string to push_peer_info
Implement optional cipher in --data-ciphers prefixed with ?
Directly use hardcoed OPENVPN_AEAD_TAG_LENGTH instead lookup
Remove cipher_kt_var_key_size and remaining --keysize documentation
Remove cipher_ctx_get_cipher_kt and replace with direct context calls
Remove key_type->cipher_length field
Remove key_type->hmac_length
Fix handling an optional invalid cipher at the end of data-ciphers
Make --nobind default for --pull
Remove ENABLE_CRYPTO_OPENSSL ifdef inside ENABLE_CRYPTO_OPENSSL ifdef
Remove max_size from buffer_list_new
Add argv_insert_head__empty_argv__head_only to argv tests
Remove cipher_kt_t and change type to const char* in API
Move deprecation of SWEET32/64bit block size ciphers to 2.7
Adjust cipher-negotiation.rst with compat-mode changes
Remove md_kt_t and change crypto API to use const char*
Initialise kt_cipher even when no crypto is enabled
Remove align_adjust frame code
Fix triggering assertion of ks->authenticated after tls_deauthenticate
Document frame related function and variables a bit more
Remove post_open_mtu code
Make github actions names nicer, include Ubuntu18+OpenSSL 1.0.2
Add helper functions to calculate header/payload sizes
Decouple MSS fix calculation from frame calculation
Rework occ link-mtu calculation
Remove pointless do_init_frame_tls function
Remove BUFFER_LIST_AGGREGATE_TEST test code
Deprecate link-mtu
Fix mssfix and frame calculation in CBC mode
Change buffer allocation calculation and checks to be more static
Fix datagram_overhead and assorted functions
Implement optional mtu parameter for mssfix
Remove link_mtu parameter when running up/down scripts
Replace TUN_MTU_SIZE with frame->tun_mtu
Change the default for mssfix to mssfix 1492 mtu
Add mtu paramter to --fragment and change fragment calculation
Update fragment and mssfix related warnings
Use new frame header methods to calculate OCC_MTU_LOAD payload size
Remove extra_link from frame
Remove frame->link_mtu
Remove frame.extra_frame and frame.extra_buffer
Default to --cipher BF-CBC if not set and compat-mode < 2.4.0
Fix 'defined but not used' warnings with enable-small/disable-management
Add Werror to github action ubuntu build
Add better documentation for CAS_* states
Add unit test for mssfix with compression involved
Remove FRAME_HEADROOM, PAYLOAD_SIZE, EXTRA_FRAME and TUN_LINK_DELTA macros
Fix mbed TLS compile if OpenSSL headers are not available
Remove unused function cipher_var_key_size
Implement fixed MSS value for mssfix and use it for non default MTUs
networking: remove duplicate methods from networking_sitnl.c
Remove dead PID_TEST code
Remove inc_pid argument from reliable_mark_deleted that is always true
Remove EXPONENTIAL_BACKOFF define
Remove tls_init_control_channel_frame_parameters wrapper function
Add documentation for swap_hmac function
Make buf_write_u8/16/32 take the type they pretend to take
Move pre decrypt lite check to its own function
Extend tls_pre_decrypt_lite to return type of packet and keep state
Move ssl function related to control channel wrap/unwrap to ssl_pkt.c/h
Add unit tests for test_tls_decrypt_lite
Split out reliable_ack_parse from reliable_ack_read
Refactor tls-auth/tls-crypt wrapping into into own function
Extract session_move_pre_start as own function, use local buffer variable
Change FULL_SYNC macro to no_pending_reliable_packets function
Extract session_move_active into its own function
Move tls_process_state into its own function
Remove pointless indentation from tls_process.
Move CRL reload to key_state_init from S_START transition
Change reliable_get_buf_sequenced to reliable_get_entry_sequenced
Implement constructing a control channel reset client as standalone function
Implement stateless HMAC-based sesssion-id three-way-handshake
Extract read_incoming_tls_ciphertext into function
Fix format specifier for printing size_t on 32bit size_t platforms
Remove workaround for Android 4.4
Implement HMAC based session id for tls-crypt v2
Optimise three-way handshake condition for S_PRE_START to S_START
Extract read_incoming_tls_plaintext into its own function
Add uncrustify check to github actions
Add ubuntu 22.04 to Github Actions
Implement ED448 and ED25519 support in xkey_provider
Translate OpenSSL 3.0 digest names to OpenSSL 1.1 digest names
Fix client-pending-auth error message to say ERROR instead of SUCCESS
Remove useless empty line from CR_RESPONSE message
Remove leftover frame_set_mtu_dynamic definitions in mtu.h
Inline frame_add_to_extra_tun function and remove frame_defined
tun: extract close_tun_handle into its own fucntion and print correct type
Error out if both remap-usr1 SIGHUP and config stdin are used
Fix segfault when no --config argument is given
Extract check_session_cipher into standalone function
Cleanup receive_auth_failed and simplify method
Fix IV_PLAT_VER and UV_ variables sent without push-peer-info
Rename OPT_P_IPWIN32 to OPT_P_DHCPDNS and include --dns in it
Include DCO status in GLOBAL_STATS status v2 output
Github Actions: Add libreSSL actions
Include libressl and macOS 12 to macOS github actions
Fix declaration of pubkeys in test_provider.c in MSVC builds
Change command help to match man page and implementation
Implement --client-crresponse script options and plugin interface
Add example script demonstrating TOTP via auth-pending
Add OpenSSL 3.0 to mingw build
Update android.txt to reflect more recent changes.
Allow scripts and plugins to set a custom AUTH_FAILED message
Implement exit notification via control channel
Implement AUTH_FAIL, TEMP message support
Document/cleanup event_timeout functions
Fix OpenVPN querying user/password if auth-token with user expires
Enable -Werror on macOS builds
Ensure only CBC, CFB, OFB and AEAD ciphers are considered valid data ciphers
Change exit signal in P2P to be a SIGUSR1 and delayed CC exit in P2MP
Allow Authtoken lifetime to be short than renegotiation time
Allows renegotiation only to start if session is fully established
Fix renewal spelling and actually allow external-auth with renewal time
Fix regression of ignoring --user
Refactor/optimise code sending TLS control channel messages
Add unit test for reliable_get_num_output_sequenced_available
Allow setting control channel packet size with max-packet-size
Always include ACKs for the last seen control packets
Add workaround for Softether server dropping P_ACK_V1 with >= 5 acks
Improve data key id not found error message
Add packet type in accept/reject messages for HMAC packet
Fix md_kt_size in mbed TLS when queried for size of "none"
Add algorithm and bits used in key_print2 method and refactor method
Remove unused addr_inet4or6, addr_guess_family and inline addr_copy_sa
Allow tun-mtu to be pushed
Push server mtu to client when supported and support occ mtu
Fix logic error in checking early negotiation support check
Move dco_installed from sock->info to sock->info.lsa.actual
Use dedicated multi->dco_peer_id for DCO instead of multi->peer_id
Add section about common error with OpenVPN 2.6 and OpenSSL 3.0
Introduce connection state for reconnecting peer in p2p
Signal USR1 when connection initialising fails
Allow reconnecting in p2p mode work under FreeBSD
Camille Guérin (1):
Removed error message for an option flag not supported with --server-ipv6
David Korczynski (1):
Fix argv leaks in add_route() and add_route_ipv6()
David Sommerseth (18):
man: Add missing --server-ipv6
man: Improve --remote entry
sample-plugins: Partially autotoolize the sample-plugins build
build: Fix make distclean/distcheck
compat/lz4: Update to v1.9.2
build: Fix missing install of man page in certain environments
build: Remove compat-lz4
Update copyrights
doc: Use generic rules for man/html generation
man: Clarify IV_HWADDR
crypto: Fix OPENSSL_FIPS enabled builds
sample-plugin: New plugin for testing multiple auth plugins
plugins: Remove defer/simple.c sample plugin
plug-ins: Disallow multiple deferred authentication plug-ins
dev-tools: Remove no longer needed openvpn-plugin.h.in patching
dev-tools: Remove uncrustify -p
dev-tools: Avoid uncrustify mangling MAC_FMT macro
The Great Reformatting of 2022
Dmitry Zelenkovsky (1):
implement --session-timeout
Domagoj Pensa (3):
Fix too early argv freeing when registering DNS
Remove 1 second delay before running netsh
Skip DHCP renew with Wintun adapter
Eric Thorpe (1):
Fixes a bug in management_callback_send_cc_message, should be strlen instead of sizeof
Frank Lichtenheld (18):
doc/Makefile: rebuild rst docs if input files change
doc: fix misc documentation issues
doc/options: clean up documentation for --proto and related options
Reformat for sp_after_comma=add
uncrustify: add sp_after_comma=add
uncrustify: have exactly one newline at the end of files
t_client: Allow to force FAIL on prerequisite fails
systemd: remove generated service files on clean
Reduce usage of __DATE__
config-version.h: remove unused includes
t_client.sh: do not require fping6
doc: cleanup for --data-ciphers and related
test_crypto: fix test_occ_mtu_calculation with --disable-fragment
msvc: always call git-version.py
GitHub Issues: add note to Changes as well
GitHub Issues: add new links to INSTALL and README
GitHub Issues: Create first issue template (Bug)
documentation: avoid recommending --user nobody
Gert Doering (67):
Change version.m4 to 2.6_git
Fix stack overflow in OpenSolaris NEXTADDR()
Workaround FreeBSD 12+ race condition on tun/tap open with IPv6.
Document that --push-remove is generally more suitable than --push-reset
Fix error detection / abort in --inetd corner case.
Fix TUNSETGROUP compatibility with very old Linux systems.
Fix handling of 'route remote_host' for IPv6 transport case.
Replace 'echo -n' with 'printf' in tests/t_lpback.sh
Fix description of --client-disconnect calling convention in manpage.
Handle NULL returns from calloc() in sample plugins.
Fix --show-gateway for IPv6 on NetBSD/i386.
socks.c: fix alen for DOMAIN type addresses, bump up buffer sizes
Fix netbits setting (in TAP mode) for IPv6 on Windows.
If IPv6 pool specification sets pool start to ::0 address, increment.
Add demo plugin that excercises "CLIENT_CONNECT" and "CLIENT_CONNECT_V2" paths
Fix combination of --dev tap and --topology subnet across multiple platforms.
Fix redirecting of IPv4 default gateway if connecting over IPv6.
Fix compilation on pre-EKM mbedTLS libraries.
Avoid passing NULL to argv_printf_cat() in temp_file error case.
Change travis build scripts to use https when fetching prerequisites.
Fix line number reporting on config file errors after <inline> segments
Clarify --block-ipv6 intent and direction.
Document common uses of 'echo' directive, re-enable logging for 'echo'.
Make OPENVPN_PLUGIN_ENABLE_PF failures FATAL
clean up / rewrite sample-plugins/defer/simple.c
Fix EVP_PKEY_CTX_... compilation with LibreSSL
Require at least 100MB of mlock()-able memory if --mlock is used.
Get rid of last PLUGIN_DEF_AUTH #ifdef
Fix 'compress migrate' for 2.2 clients.
Fix potential NULL ptr crash if compiled with DMALLOC
Repair --secret deprecation warning.
rewrite parse_hash_fingerprint()
Ignore leading whitespace and comment lines for peer-fingerprint.
Add error reporting to get_console_input_win32().
Ignore --explicit-exit-notify in TCP mode.
Use more C99 initialization in add_route/add_route_ipv6().
Include --push-remove in the output of --help.
Move '--push-peer-info' documentation from 'server' to 'client options'
add test case(s) to notice 'openvpn --show-cipher' crashing
Repair --inactive with 'bytes' argument larger 2Gbytes.
Fix --mtu-disc maybe|yes on Linux.
Fix trailing-whitespace errors in last patch.
Exclude the last two whitespace-only uncrustify fixes from git blame output.
Implement --mtu-disc for IPv6 UDP sockets.
Fix non-compliant whitespace introduced by commit 54800aa975418fe35.
Pass proper sockaddr_* structure for IPv6 socket errors.
Fix error message about extended errors for IPv4-only sockets.
Break 'try 256 dco devices' loop on EPERM
Cleanup: get rid of 'dynamic' argument of open_tun_generic()
Remove outdated information from ChangeLog, point at release branches.
Apply uncrustify changes that were forgotten in the last patch.
Apply uncrustify changes that were forgotten in the FreeBSD DCO 1/2 patch.
FreeBSD-DCO: repair device iteration to find first free interface.
DCO: require valid netbits setting for non-primary iroutes.
Adjust Linux+FreeBSD DCO device name handling to 'non DCO linux style'
cleanup open_tun() for TARGET_NETBSD
t_client: add per-instance arguments to fping
introduce V= level to manage t_client.sh output verbosity
un-break undo_ifconfig_ipv4()/_ipv6() on all non-linux/non-win32 platforms
use boolean '||' to join two bools, not bitwise '|'
denoise tests/t_lpback.sh
FreeBSD: for topology subnet, put tun interface into IFF_BROADCAST mode
FreeBSD DCO: introduce real subnet mode
Improve documentation for --dev and --dev-node.
Update PORTS
rework INSTALL and README to prepare for 2.6 release
Preparing release 2.6_beta1
Greg Cox (5):
Fix naming error in sample-plugins/defer/simple.c
Documentation fixes around openvpn_plugin_func_v3 in openvpn-plugin.h.in
Update openvpn_plugin_func_v2 to _v3 in sample-plugins/defer/simple.c
More explicit versioning compatibility in sample-plugins/defer/simple.c
Explain structver usage in sample defer plugin.
Heiko Hund (10):
add support for --dns option
Add git pre-commit hook script to uncrustify
pre-commit: uncrustify based on staged changes
remove foreign_option() call for IPv6 DNS servers
remove dead foreign-option parsing code
rename foreign_option() and move it up
doc: fix literal block in tls-options.rst
dns: also (re)place foreign dhcp options in env
signal --dns support in peer info
make %x destination unsigned
Ilya Ponetayev (1):
fix compilation issues with small and w/o debug
Ilya Shipitsin (2):
CI: github actions: keep "pdb" in artifacts
BUILD: enable CFG and Spectre mitigation for MSVC
Jan Mikkelsen (1):
cipher-negotiation.rst missing from doc/Makefile.am
Jan Seeger (1):
Added 'route_ipv6_metric_NN' environment variable for IPv6 route metric.
Jason A. Donenfeld (1):
Support fingerprint authentication without CA certificate
Jeff (1):
duplicate function declaration.
Juliusz Sosinowicz (4):
EVP_DigestSignFinal siglen parameter correction
Support for wolfSSL in OpenVPN
build: Add support for pkg-config < 0.28 for old autoconf versions
README.wolfssl Update
Kristof Provost (6):
Handle exceeding 'max-clients'
ovpn-dco: introduce FreeBSD data-channel offload support
Support creating iroute route entries on FreeBSD
FreeBSD networking cleanup
FreeBSD DCO: support AES-192-GCM
dco: pass control packets through the socket on FreeBSD
Lev Stipakov (68):
tun.c: enable using wintun driver under SYSTEM
openvpnmsica: make adapter renaming non-fatal
msvc: better support for 32bit architecture
Alias ADAPTER_DOMAIN_SUFFIX to DOMAIN
ssl_common.h: fix 'not all control paths return a value' msvc warning
Remove compat-lz4 references from VS project files
tapctl: support for ovpn-dco Windows driver
msvc: add ARM64 configuration
win32: add missing include header
openvpnmsica: properly schedule reboot in the end of installation
options.c: fix msvc build error
msvc: standalone building
contrib/vcpkg-ports: add pkcs11-helper port
vcpkg-ports: restore trailing whitespaces in .patch files
GitHub actions: add MSVC build
crypto_openssl.c: disable explicit initialization on Windows (CVE-2121-3606)
contrib/vcpkg-ports: add openssl port with --no-autoload-config option set (CVE-2121-3606)
Fix console prompts with redirected log
GitHub Actions: fix MSVC builds
contrib/vcpkg-ports: remove openssl port
Add building man page on Windows
GitHub Actions: remove Ubuntu 16.04 environment
Fix loading PKCS12 files on Windows
msvc: fix product version display
config-msvc.h: fix OpenSSL-related defines
GitHub Actions: use latest working lukka/run-vcpkg
Use network address for emulated DHCP server as a default
Load OpenSSL config on Windows from trusted location
ring_buffer.h: fix GCC warning about unused function
ssh_openssl.h: remove unused declaration
vcpkg/pkcs11-helper: compatibility with latest vcpkg
config-msvc.h: indicate key material export support
auth_token.c: add NULL initialization
tun: remove tun_finalize()
vcpkg-ports/pkcs11-helper: bump to release 1.28
vcpkg-ports/pkcs11-helper: indicate OpenSSL EC support
xkey: fix msvc build
msvc: switch to openssl3
msvc: cleanup
vcpkg: link lzo statically
openvpnmsica: add ovpn-dco custom actions
vcpkg-ports/pkcs11-helper: adapt to new upstream URL
vcpkg-ports\pkcs11-helper: shorten patch filename
vcpkg-ports\openssl3: update to 3.0.2
Fix incorrect default mssfix value in server mode
msvc: adjust build options to harden binaries
vcpkg: switch to manifest
Fix M_ERRNO behavior on Windows
GitHub Actions: trigger openvpn-build GHA on success
Set o->use_peer_id flag for p2p mode
openvpnmsica: remove OpenVPNService state check code
tun.c: remove unused gc_arena from init_tun()
error.c: remove unused crash() function
tun: properly handle device interface list
dco.h: fix return type when DCO is not enabled
dco-win: use run-time dynamic linking for GetOverlappedResultEx
vcpkg: bump baseline version
do_persist_tuntap: remove indentation level
msvc: remove .filters files
dco.c: check certain options only on startup
Use DCO on Windows by default
doc: add "ovpn-dco" to usage and man page
dco-win: support for --persist-tun
msvc: add branch name and commit hash to version output
vcpkg: use the latest versions of dependency ports
win32: detect arm64 architecture and emulations
INSTALL: update Windows notes
dco: disable dco on Windows if --remote is not defined
Magnus Kroken (2):
doc: fix typos in cipher-negotiation.rst
Changes.rst: fix mistyped option names
Marc Becker (2):
vcpkg-ports/pkcs11-helper: bump to release 1.29
fix GitHub workflow working directories in MinGW builds
Martin Janů (1):
Update the replay-window backtrack log message
Matthias Andree (1):
Fix SIGSEGV (NULL deref) receiving push "echo"
Max Fillinger (15):
Wipe Socks5 credentials after use
Fix build with mbedtls w/o SSL renegotiation support
In init_ssl, open the correct CRL path pre-chroot
Abort if CRL file can't be stat-ed in ssl_init
Update Fox e-mail address in copyright notices
Replace deprecated mbedtls DRBG update function
Fix build with compression disabled
Don't manually free DH params in OpenSSL 3
Remove unused havege.h header
Don't use BF-CBC in unit tests if we don't have it