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2000-11-16  Niels Möller  <nisse@cuckoo.localdomain>

	* src/unix_user.c (do_read_file): Use lsh_copy_file(). 

	* src/lsh.c (fork_input): New function.
	(fork_output): New function.
	(make_lsh_session): Optionally fork processes for handling stdio,
	to avoid setting the fd:s, that are potentially shared with other
	processes, in non-blocking mode.
	New option --cvs-workaround.

	* src/io.c (lsh_copy_file): New function.

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2000-11-15  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/tty.c (tty_makeraw): #if:ed out this function.

	* src/server.c (format_service_accept): Moved function here, from
	service.c. 

	* src/lshg.c: Preparations for supporting more actions. 

	* src/lsh.c: Use the new interact class.

	* src/interact.h (terminal_attributes): New class.
	(interact): Renamed the class abstract_interact. Added methods
	get_attributes and set_attributes.

	* src/client_pty.c: Adapted to the new interact class.
	(client_winch_handler): New class implementing sending of
	window-change messages.
	(client_tty_resource): New class.
	(do_pty_continuation): Hook in window-change handler, and a
	resource for resetting the tty attributes when the channel is
	closed.
	(make_pty_request): Take a struct interact argument, rather than a
	tty file desciptor.

	* src/client.c (format_service_request): Moved function here, from
	service.c. 
	(client_session): Moved this class to client_session.c.

	* src/service.c, src/service.h: Marked as obsolete. Moved its two
	functions, format_service_request() and format_service_accept() to
	the files that use them.

	* src/client_session.c: Moved channel related code here, from
	client.c. 

	* src/Makefile.am.in (liblsh_a_SOURCES): Added client_session.c.

	* src/unix_interact.c: New file.

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	* src/unix_user.c (make_process_resource): Use resource_init().

	* src/server_session.c (make_pty): assert that the pty is alive.
	(do_alloc_pty): Likewise.

	* src/server_pty.c (do_kill_pty_info): Check that fd:s are >=
	before closing them.
	(make_pty_info): Use resource_init(). Bugfix: Don't initialize
	alive to 0; that would cause the pty to be dropped from resource
	lists where it is inserted. Instead, set the fd:s to -1 to
	indicate that no pty has been allocated yet.
	(pty_allocate): Set fd:s to -1 if they are closed.

	* src/resource.c (do_resource_kill): New function.
	(resource_init): New function.
	(empty_resource_list): Use resource_init().

	* src/reaper.c (reaper_callback): New class.
	(do_reaper_callback): Moved the waitpid() logic into a callback,
	that is used as an lsh signal handler.
	(reaper_install_handler): New function.
	(make_reaper): Install lsh signal handler (by calling
	reaper_install_handler). 
	(reaper_run): Obsoleted, #if:ed out.

	* src/lshg.c: New file (actually introduced already in 1.1.1).

	* src/lsh.h: Forward declare struct io_backend.

	* src/lsh_proxy.c (main): Use make_io_backend(). Pass backend to
	make_reaper(). Use io_run rather than reaper_run.
	* src/lshd.c (make_lshd_options): Likewise.

	* src/lsh-decode-key.c (main): Use make_io_backend().
	* src/lsh.c (main): Likewise.
	* src/lsh-writekey.c (main): Likewise.
	* src/lsh-export-key.c (main): Likewise.
	* src/sexp-conv.c (main): Likewise.
	* src/srp-gen.c (main): Likewise.

	* src/io.h (close_callback): Deleted old close_callback code.
	Moved classes io_backend and callout to io.c.

	* src/io.c (lsh_signal_handler): New class. 
	(lsh_callout): Renamed the callout class, and made it inherit
	resource. 
	(io_iter): Call signal handlers.
	(make_io_backend): New function.
	(init_backend): Deleted function.
	(io_signal_handler): New function.
	(io_callout): New function.
	(init_file): Use resource_init().

	* src/interact.h (window_change_callback): New class.
	(abstract_interact): Replaced the window_change method with to
	methods, window_size and window_change_subscribe.

	* src/interact.c: Moved unix_interact class to unix_interact.c.

	* src/gateway_commands.c (do_gateway_accept): Use
	connection_command. 

	* src/connection_commands.h (connection_command): New class, for
	simple connection related commands.
	Moved a lot of code to handshake.h.

	* src/connection_commands.c: Moved a lot of code to handshake.c. 

	* src/connection.c (connection_close_handler): Moved from
	connection_commands.c
	(make_connection_close_handler): Likewise.

	* src/Makefile.am.in (liblsh_a_SOURCES): Added handshake.c.
	(lshg_LDADD): Don't link lshg with symmetric/libsymmetric.a.

	* src/handshake.c: New file, with ssh handshake logic extracted
	from connection_commands.c. This way, it is possible to link lshg
	without dragging in the keyexchange and crypto code.

	* configure.in: Bumped version to 1.1.2.

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2000-11-14  Niels Möller  <nisse@cuckoo.localdomain>

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	* Released lsh-1.1.1.
	
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	* src/testsuite/macros.m4(TS_TEST_VERIFY): Use make_bad_random(). 
	Use SIGNER_GET_PUBLIC().

	* src/unix_random.c (do_unix_random_background): Check status
	before starting background poll.

	* src/srp-gen.c (make_srp_gen_options): Use make_bad_random().

	* src/randomness.h (randomness_with_poll): New class.

	* src/randomness.c (make_reasonably_random): #if:ed out.
	(make_default_random): New function.

	* src/lsh.c: Use make_default_random().
	* src/lsh_proxy.c: Likewise.
	* src/lshd.c: Likewise.

	* src/lsh-writekey.c (make_lsh_writekey_options): Use
	make_bad_random(). 

	* src/lsh-keygen.c: Use make_default_random().

	* src/gateway_commands.c (gateway_make_connection): Fixed call to
	make_packet_unpad(). 

	* src/randomness.c: Reintroduced make_poor_random, for programs
	that only need salt, iv:s etc.

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	* src/symmetric/arcfour.c (arcfour_update_key): #if:ed out this
	nostandard function.
	(arcfour_set_key): Use arcfour_init(). Made keyset loop less
	obscure. 

	* src/unix_user.c (check_user_permissions): New function (moved
	from io.c).
	(do_read_file): fork() and change uid before opening the file.

	* src/tcpforward_commands.c (make_forward_local_port): Changed
	debug() to trace().

	* src/lsh_proxy.c: Use the DEFINE_COMMAND_SIMPLE macro. 
	* src/lshd.c: Likewise.
	* src/proxy.c: Likewise.
	* src/sexp_commands.c: Likewise.
	* src/spki_commands.c: Likewise.

	* src/lsh.c (lsh_options): New attribute local_user.
	New option -G to enable the gateway feature.
	Use the DEFINE_COMMAND_SIMPLE macro. 

	* src/lsh-writekey.c: Use the DEFINE_COMMAND_SIMPLE macro. 

	* src/io_commands.c (io_write_file_command): Use
	the DEFINE_COMMAND_SIMPLE macro.
	(io_log_peer_command): Likewise.
	(listen_with_connection): #if:ed out this class.
	(listen_local): New class.
	(make_listen_local): New function.
	(connect_local): New class.
	(make_connect_local): New function.
	(connect_local_command): New command.

	* src/io.h (local_info): New class.

	* src/io.c (sockaddr2info): Return NULL for address families other
	than AF_INET and AF_INET6.
	(make_local_info): New function.
	(io_listen_local): Take a local_info as argument. Fixed umask. 
	(io_connect_local): Take a local_info as argument.
	(check_user_permissions): #if:ed out (replaced by code in
	unix_user.c).
	(io_read_user_file): Likewise.

	* src/gateway_commands.c (do_gateway_pad): New function.
	(make_gateway_pad): New function.
	(gateway_make_connection): New function (extracted from
	do_gateway_accept). Set up connection->write and connection->raw
	properly, fix padding, anpadding and debug output.
	(gateway_init): New command.
	(make_gateway_setup): New function.
	(gateway_setup_command): New command.

	* src/gateway.c (check_string_l): New function.
	(check_string): New function.
	(make_gateway_address): New function.

	* src/disconnect.c (do_disconnect): Print message on a single
	line. 

	* src/command.h (DEFINE_COMMAND_SIMPLE): New macro, that replaces
	COMMAND_SIMPLE. 
	(DEFINE_COMMAND): New macro, that replaces COMMAND_STATIC.

	* src/client.c: Removed obsolete class request_info.

	* src/channel.c (connection_service_command): Use
	the DEFINE_COMMAND_SIMPLE macro. 
	* src/combinators.c (command_K): Likewise.
	(command_I): Likewise.
	* src/command.c (progn_command): Likewise. 
	* src/keyexchange.c (kexinit_filter): Likewise.
	* src/connection_commands.c (connection_remember): Likewise.
	(connection_require_userauth): Use the DEFINE_COMMAND macro. 

	* src/Makefile.am.in (bin_PROGRAMS): Added lshg program.
	(ETAGS_ARGS): Added two regexps, to match DEFINE_* and
	GABA-definitions. 

	* doc/lsh.texinfo (Action options): Added a note on -G option.

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2000-10-31  Niels Möller  <nisse@cuckoo.localdomain>

	* src/sexp_streamed_parser.c: Less trace messages.

	* src/unix_random.c: Hacked and debugged. Seems to work now.

	* src/randomness.h (RANDOM_POLL_BACKGROUND): New method.

	* src/randomness.c (make_poor_random): #if:ed out.
	Improved arcfour_random.

	* src/packet_ignore.h: Marked as obsolete.

	* src/lshd.c (do_exc_lshd_handler): Handle
	EXC_RANDOMNESS_LOW_ENTROPY.  
	(make_lshd_options): Use make_arcfour_random and make_unix_random. 
	(main): Call RANDOM_POLL_BACKGROUND.

	* src/gc.c (gc_kill): Less debug output.

	* src/gateway_commands.c: Hacked some more. Compiles now.

	* src/exception.h (EXC_RANDOMNESS, EXC_RANDOMNESS_LOW_ENTROPY):
	New exception types.

	* src/debug.c (do_rec_debug): Replace with a definition that uses
	DEFINE_PACKET_HANDLER.

	* src/connection.h (DEFINE_PACKET_HANDLER): New macro.
	(ssh_connection): Deleted the "share handler" attributes ignore,
	unimplemented, fail.
	Declare corresponding static handlers.

	* src/client.c: Refer to the static packet handlers instead of
	connection->fail and friends. 
	* src/client_userauth.c: Likewise
	* src/client_keyexchange.c: Likewise.
	* src/proxy.c: Likewise.
	* src/proxy_userauth.c: Likewise.
	* src/server_userauth.c: Likewise.
	* src/server_keyexchange.c: Likewise.
	* src/server.c: Likewise.
	
	* src/connection.c (connection_init_io): Don't initialize the
	encryption state here, that is already done by
	make_ssh_connection. 
	(do_fail): Replace with a definition that uses
	DEFINE_PACKET_HANDLER.
	(do_unimplemented): Likewise.
	(connection_ignore_handler): Moved handler from packet_ignore.c,
	and made it static.
	(connection_forward_handler): New handler.
	(make_ssh_connection): Updated initialization to use static
	handlers. 

	* src/channel.c (do_exc_finish_channel_handler): Renamed
	do_finish_channel_handler.
	(do_exc_channel_request_handler): Renamed
	do_channel_request_handler.
	(do_global_request_success): Replace with a definition that uses
	DEFINE_PACKET_HANDLER.
	(do_global_request_failure): Likewise.
	(do_channel_request): Likewise.
	(do_channel_open): Likewise.
	(do_window_adjust): Likewise.
	(do_channel_data): Likewise.
	(do_channel_extended_data): Likewise.
	(do_channel_eof): Likewise.
	(do_channel_close): Likewise.
	(do_channel_open_confirm): Likewise.
	(do_channel_open_failure): Likewise.
	(do_channel_success): Likewise.
	(do_channel_failure): Likewise.
	(init_connection_service): New function. Most of the code in
	connection_service_command moved here.

	* src/Makefile.am.in (liblsh_a_SOURCES): Added gateway.c,
	gateway_commands.c and unix_random.c. Removed packet_ignore.c.

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2000-10-22  Niels Möller  <nisse@cuckoo.localdomain>

	* src/exception.h (EXC_IO_BLOCKING_READ): New exception type.

	* src/io.c (read_raw): New function.

	* src/randomness.c (arcfour_random): New class. 
	(do_arcfour_random): New function.
	(do_arcfour_random_slow): New function.
	(make_arcfour_random): New function.

	* src/randomness.h (random_poll): New class.

	* src/symmetric/arcfour.c (arcfour_crypt): Changed argument order.
	(arcfour_set_key): Likewise.
	(arcfour_stream): New function.
	(arcfour_update_key): New function.
	(arcfour_init): New function.

	* src/testsuite/Makefile.am (TS_PROGS): Added arcfour-test.

	* configure.in: Bumped version to 1.1.1. Check for getrusage and
	gettimeofday. 

	* src/reaper.c (do_reap): Removed assert(), to allow replacement
	of registered callbacks.

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2000-10-20  Niels Möller  <nisse@cuckoo.localdomain>

	* src/sexp.c (encode_base64): Added argument break_lines.

	* src/lsh-export-key.c (do_ssh2_print): Simplified.
	(make_header): New function.

	* src/connection.h: Added comments for the various PEER_* flags. 

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2000-10-19  Niels Möller  <nisse@lysator.liu.se>

	* src/Makefile.am.in: Don't prepend $(srcdir) to $@, as it seems
	not to do the right thing.

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2000-10-18  Niels Möller  <nisse@lysator.liu.se>

	* configure.in: Check for endianness (needed by memcmp.c).

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2000-10-18  Niels Möller  <nisse@cuckoo.localdomain>

	* src/abstract_crypto.h, src/dsa.c, src/dsa.h, src/rsa.c: Cleanup. 

	* src/sexp-conv.c: #include spki_commands.h

	* src/spki_commands.c (spki_signer2verifier,
	spki_verifier2public):  New commands, that replace the old
	spki_signer2public. 

	* src/lsh-writekey.c (make_writekey): Use verifier2public and
	signer2verifier. 

	* src/spki.c, src/spki_commands.c: Moved definitions of commands
	out of spki.c.

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2000-10-17  Niels Möller  <nisse@cuckoo.localdomain>

	* src/spki.c (spki_make_public_key): Take a verifier as argument.
	(dsa_to_spki_public_key): #if:ed out.
	(parse_private_key): Use new publickey-related functions and
	methods.

	* src/rsa.c (rsa_public): Deleted this struct; use rsa_verifier
	instead. 
	(make_rsa_verifier_internal): New function, used by
	make_rsa_verifier and make_rsa_signer.
	Added new methods.
	(rsa_signer): Added pointer to a corresponding verifier object.
	Replaces the rsa_public struct.

	* src/lsh_proxy.c (do_host_lookup): Adapt to the changed
	make_ssh_dss_verifier function.

	* src/lsh-decode-key.c (do_decode_key): Use new publickey-related
	functions and methods.
	* src/lsh.c (do_lsh_lookup): Likewise.
	* src/server_authorization.c (do_key_lookup): Likewise.

	* src/dsa.c (make_ssh_dss_verifier): Changed return type.
	(ssh_dss_public_key): Obsoleted by the SIGNER_GET_VERIFIER and
	PUBLIC_KEY methods.
	(parse_ssh_dss_public): Renamed (was parse_dsa_public), and
	changed the return type.
	(make_dsa_verifier_internal): New method used by make_dsa_verifier
	and make_dsa_signer.
	(dsa_signer): Added pointer to a corresponding verifier object.
	Replaces the dsa_public struct.
	Also deleted some old code. 

	* src/dsa.h: Moved definitions of the dsa_verifier and dsa_signer
	classes to dsa.c, and deleted the struct dsa_public.

	* src/atoms.in (ssh-rsa-pkcs1@lysator.liu.se): New atom.

	* src/abstract_crypto.h (signer): Added method SIGNER_GET_VERIFIER, and
	removed the SIGNER_PUBLIC_KEY method.
	(verifier): Added methods PUBLIC_KEY and PUBLIC_SPKI_KEY.

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2000-10-16  Niels Möller  <nisse@cuckoo.localdomain>

	* src/Makefile.am.in (bin_PROGRAMS): Added lsh-export-key.

	* src/lsh-export-key.c: New program (contributed by jps).

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2000-10-15  Niels Möller  <nisse@cuckoo.localdomain>

	* src/server_session.c: Don't need to know about any reaper
	anymore (as that is handled by the unix_user object).

	* src/unix_user.c (unix_user): Replaced backend and pw_helper
	attributes with a pointer to the unix_user_db object.
	(pwhelper_callback): New class.
	(do_pwhelper_callback): New function.
	(make_pwhelper_callback): Likewise.
	(kerberos_check_pw): Made non-blocking.
	(do_verify_password): Try ordinary unix passwords first, and use
	pw_helper only if ordinary password fails.
	(unix_user_db): Added reaper attribute.

	* src/userauth.h (lsh_user): Changed arguments for
	password_verify, now take a continuation and an exception handler.
	Removed reaper argument from fork_process.

	* configure.in: Bumped version to 1.1.0.

	* src/server_password.c (do_authenticate): Pass continuation and
	exception handler to USER_VERIFY_PASSWORD.

	* src/lshd.c: New option --password-helper. Changed
	--kerberos-passwords to not take any argument. Updated handling of
	reaper; pass it to make_unix_user_db() but not to
	make_shell_handler() and make_exec_handler().

	* src/sexp-conv.c (main_argp): Changed usage message to mention
	fingerprinting. Still not very good.

	* src/rsa.c: Include <string.h>.

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2000-10-13  Niels Möller  <nisse@lysator.liu.se>

	* README: Fixed references to lsh-writekey and lsh-keygen. 

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2000-10-11  Niels Möller  <nisse@cuckoo.localdomain>

	* src/Makefile.am.in: Try to create all machine independent files
	in $(srcdir).
	* src/testsuite/Makefile.am: Likewise.

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2000-10-11  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version to 1.0.7.

	* src/unix_user.c: Don't make use kerberos_check_pw conditional on
	WITH_KERBEROS, as it really isn't very kerberos specific.
	* src/lshd.c (main_options): Likewise.

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2000-10-10  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/unix_user.c (kerberos_check_pw): Fixed call to execl(). 

	* Released lsh-1.0.6.

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	* src/symmetric/serpent.c (serpent_setup): Reworked key padding.

	* src/unix_user.c (make_unix_user_db): Added pw_helper argument.
	(make_unix_user): Likewise.
	(kerberos_check_pw): New function.
	(do_verify_password): Kerberos support.

	* src/lshd.c: New options --kerberos-passwords and
	--no-kerberos-passwords. 

	* src/io.c (io_iter): Fixed format string (should use %z, not %s).
	(address_info2sockaddr): Likewise.
	(lsh_make_pipe): Moved the make_pipe() function from
	server_session.c, made it public and renamed it to
	lsh_make_pipe().

	* src/Makefile.am.in (EXTRA_PROGRAMS): Uses for lsh-krb-checkpw.
	Added rules using @KRB_PROGRAM@ and @KRB_LIBS@.

	* configure.in: New option --disable-kerberos.
	Check for kerberos libraries (currently for heimdal).
	(PREFIX): New define.
	(KRB_LIBS, KRB_PROGRAM): New substitutions. 

	* acinclude.m4 (AC_CHECK_KRB_LIB): New macro to add libraries to
	KRB_LIBS. 

	* acconfig.h (PREFIX): New define.
	(WITH_KERBEROS): Likewise.

	* src/gateway_commands.c: New file.

	* src/lsh-krb-checkpw.c: New program.

	* src/testsuite/Makefile.am (TS_PROGS): Added rijndael tests.
	Removed serpent tests (they don't work yet).

2000-10-09  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version to 1.0.6.

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2000-10-07  Niels Möller  <nisse@cuckoo.localdomain>

	* src/symmetric/serpent.c (serpent_setup): Added key_size
	argument, and added key padding (appearantly not yet working). 

	* src/testsuite/Makefile.am (CFLAGS): Disable optimization.
	(TS_PROGS): Added serpent-test.

	* src/exception.h (EXC_IO_CLOSE): New exception type.
	(EXC_PAUSE_READ): Likewise.
	(EXC_PAUSE_START_READ): Likewise.
	(EXC_PAUSE_CONNECTION): Likewise.
	(EXC_PAUSE_START_CONNECTION): Likewise.

	* src/connection.h (ssh_connection): Renamed attribute busy to
	paused. New attribute pending.

	* src/connection.c (connection_handle_packet): New function, doing
	the work of the previous handle_connectino function().
	(connection_handle_pending): New function.
	(do_handle_connection): New function.
	(do_exc_connection_handler): Renamed (was
	do_exc_protocol_exception), and handle EXC_PAUSE_CONNECTION and
	EXC_PAUSE_START_CONNECTION. 
	(make_exc_connection_handler): Renamed as well.
	(connection_lock): Raise EXC_PAUSE_CONNECTION.
	(connection_unlock): Raise EXC_PAUSE_START_CONNECTION.

	* src/channel.c: Changed close_callback -> lsh_callback.

	* src/io.c (io_iter): Some support for callouts.
	(do_exc_finish_read_handler): Handle EXC_PAUSE_READ and
	EXC_PAUSE_START_READ. 
	(do_buffered_read): Allow handlers to set want_read == 0.

	* src/io.h: Renamed close_callback to lsh_callback, and removed
	the "reason" argument.

	* src/write_buffer.c (write_buffer_pre_write): Use string_queue.
	(do_write): Likewise.

	* src/queue.c: New struct-type string_queue, and corresponding
	functions. 

	* src/algorithms.c: Use static algorithm objects.
	* src/blowfish.c: Likewise.
	* src/rijndael.c: Likewise.
	* src/crypto.h: Likewise.
	* src/twofish.c: Likewise.
	* src/cast.c: Likewise.

	* src/serpent.c (make_serpent_instance): Pass key size to serpent_setup().

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2000-10-06  Niels Möller  <nisse@lysator.liu.se>

	* src/dsa.c (do_dsa_verify): Fixed bug in ssh-dss bugcompatibility
	signature verification.

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2000-10-03  Niels Möller  <nisse@cuckoo.localdomain>

	* src/spki.c (spki_make_signer): New function. Used in
	do_spki_sexp2signer() and parse_private_key().
	(spki_make_public_key): New function. Used in spki_signer2public()
	and parse_private_key().

	* src/lsh-decode-key.c (do_decode_key): Build
	<public-key>-expression. 

	* src/interact.h: New class abstract_interact (not yet used). 
	* src/interact.c: New class interact_unix, still #if:ed out.

	* src/abstract_crypto.h (signer): Changed the conventions for
	SIGNER_PUBLIC(). Now returns ( <pub-sig-alg-id> <s-expr>* ), not
	<public-key>. 
	* src/dsa.c (make_dsa_public_key): Updated for the new convention. 
	* src/rsa.c (do_rsa_public_key): Likewise.

	* src/testsuite/Makefile.am (TS_PROGS): Added tests for rsa and
	dsa. 

	* src/sexp-conv.c (do_sexp_select): Bugfix in OP_CAR. 

2000-10-01  Niels Möller  <nisse@cuckoo.localdomain>

	* src/sexp-conv.c: New option --select.
	(do_sexp_select): New function.
	(make_sexp_select_command): New function.

	* src/testsuite/macros.m4 (TS_TEST_SIGN): Bug fixes.
	(main): Recognize options -v, --debug etc.

	* src/rsa.c (rsa_compute_root): Fixed bug in CRT calculation.

	* src/keyexchange.c (select_algorithm): Reversed order of
	arguments. (Fixes a bug reported by jps).
	(do_handle_kexinit): Use symbolic constants when indexing
	connection->kexinits. 

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2000-09-26  Niels Möller  <nisse@cuckoo.localdomain>

	* src/dsa_keygen.c (dsa_generate_key): Added lost
	dsa_find_generator() call, spotted by jps.

2000-09-24  Niels Möller  <nisse@cuckoo.localdomain>

	* contrib/lsh.spec.in (%post): Fixed references to lsh-keygen and
	lsh-writekey. 

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2000-09-25  Niels Möller  <nisse@lysator.liu.se>

	* src/ssh-conv: Fixed typo (reported by Timshel Knoll). 

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2000-09-19  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/rsa.c (SA): New macro.
	Added debug() calls.
	(RSA_CRT): Disabled the crt optimixation, as that code seems
	broken. 

	* src/dsa.c (SA): New macro.
	(encode_dsa_sig_val): Fixed type error.

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	* src/server_publickey.c (do_authenticate): Pass algorithm
	name to VERIFY() method. make_dsa_verifier_kludge() no longer
	needed. 

	* src/server_keyexchange.c (dh_server): New attribute
	hostkey_algorithm. 
	(do_handle_dh_init): Pass algorithm name dto dh_make_server_msg(). 
	(do_init_server_dh): Initialize hostkey_algorithm.
	make_dsa_signer_kludge() no longer needed.

	* src/rsa.c (encode_rsa_sig_val): New function.
	(decode_rsa_sig_val): New function.
	(do_rsa_sign): New algorithm argument.
	(do_rsa_sign_spki): Deleted hash and principal arguments. Return a
	<sig-val>. 
	(do_rsa_verify): Added algorithm argument.
	(do_rsa_verify_spki): Take an sexp rather than an sexp_itterator
	as argument. Expect a <sig-val>.

	* src/publickey_crypto.h (dh_make_server_msg): Added argument
	hostkey_algorithm. 

	* src/dsa.c (dsa_signer_variant, dsa_verifier_variant): Commented
	out.  
	(encode_dsa_sig_val): New function.
	(decode_dsa_sig_val): New function.
	(do_dsa_sign): New argument algorithm. Handle plain ssh-dss,
	ssh-dss-kludge and spki. 
	(do_dsa_sign_spki): Deleted hash and principal arguments. Return a
	<sig-val>. 
	(do_dsa_verify): New argument algorithm. Handle plain ssh-dss,
	ssh-dss-kludge and spki. 
	(do_dsa_verify_spki): Take an sexp rather than an sexp_itterator
	as argument. Expect a <sig-val>.
	(do_dsa_sign_kludge): #if:ed out.
	(make_dsa_signer_kludge): Likewise.
	(do_dsa_verify_kludge): Likewise.
	(make_dsa_verifier_kludge): Likewise.

	* src/dh_exchange.c (dh_make_server_msg): New argument
	hostkey_algorithm, which is passed on to SIGN().

	* src/client_keyexchange.c (do_handle_dh_reply): Pass algorithm
	name to VERIFY() method. make_dsa_verifier_kludge() no longer
	needed. 

	* src/client_userauth.c (do_userauth_pk_ok): Pass algorithm name
	to the SIGN() method.

	* src/atoms.in: New algorithm name "ssh-dss-kludge@lysator.liu.se"
	for internal use.

	* src/abstract_crypto.h (verifier): Added algorithm argument to
	the verify() method. Removed hash and principal arguments from the
	verify_spki() method.
	* src/abstract_crypto.h (signer): Similar changes.

	* configure.in: Bumped version to 1.0.5.

2000-09-18  Niels Möller  <nisse@cuckoo.localdomain>

	* src/spki.c (spki_hash_data): New function.
	(do_spki_hash): Use spki_hash_data(). 

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2000-09-15  Niels Möller  <nisse@cuckoo.localdomain>

	* src/parse.c (parse_next_atom): Updated comment. Return error for
	empty atoms.
	(parse_atoms): Handle the empty list case better.
	(parse_atom_list): Simplified.

	* src/keyexchange.c (do_handle_kexinit): Check kex_state.
	(do_handle_kexinit): Check length of received kex_algorithms list. 
	(do_handle_kexinit): Set kex_state to KEX_STATE_IGNORE or
	KEX_STATE_IN_PROGRESS as appropriate.
	(do_handle_newkeys): Clear kexinits and literal_kexinits when
	resetting kex_state (fixes key renegotiation bug reported by jps). 
	(kexinit_filter): New command.

	* src/dh_exchange.c (init_dh_instance): Don't clear
	connection->kexinits and connection->literal_kexinits here. 

	* src/connection_commands.c (handshake_command): Added
	make_kexinit argument (and deleted the corresponding field from
	handshake_info). Updated all callers.

	* src/client_keyexchange.c (do_init_client_dh): Don't touch connection->kex_state.
	(do_init_client_srp): Likewise.
	* src/server_keyexchange.c: Likewise.
	
	* src/algorithms.c (list_hostkey_algorithms): New function.
	(lookup_hostkey_algorithm): New function.
	(algorithms_options): New option --hostkey-algorithm.
	(filter_algorithms): New function.
	(filter_algorithms_l): New function.

	* src/lshd.c: Renamed lshd_listen to make_lshd_listen and
	lshd_connection_service to make_lshd_connection_service.
	(make_lshd_listen): Use kexinit_filter to restrict announced
	hostkey algorithms to those that we actually have keys for. 
	(make_lshd_listen): Use listen_callback, in order to get the right
	evaluation order.

2000-09-14  Niels Möller  <nisse@cuckoo.localdomain>

	* src/algorithms.c (default_crypto_algorithms): Make the default
	list more restrictive.
	(all_crypto_algorithms): New function, returning a less
	conservative algorithm list.

	* src/connection.h (ssh_connection): Deleted obsolete newkeys
	attribute. 

	* src/process_atoms (atom2define): Replace @domain suffix with
	"_LOCAL".

	* src/lsh-writekey.c (make_lsh_writekey_options): Use
	all_symmetric_algorithms() and all_symmetric_algorithms(). 
	* src/lsh.c (make_options): Likewise.
	* src/lsh_proxy.c (main): Likewise.
	* src/lshd.c (make_lshd_options): Likewise.

	* src/atoms.in: Added @lysator.liu.se suffix to non-standard
	algorithms. 

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2000-09-14  Niels Möller  <nisse@lysator.liu.se>

	* src/keyexchange.c (do_handle_newkeys): Clear
	connection->kexinits.

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2000-09-11  Niels Möller  <nisse@cuckoo.localdomain>

	* src/symmetric/rijndael.c: Use static const for all lookup
	tables. 

	* src/parse.c (parse_bignum): Fixed off-by-one error when sanity
	checking string length.

	* src/symmetric/serpent.c: Replaced the AES "All rights reserved"
	copyright blurb with the vanilla GPL blurb, after confirming with
	the authors that the code really is GPL:ed.
	* src/symmetric/serpentsboxes.h: Likewise.
	
	* src/symmetric/serpentsboxes.h: Replaced unsigned long with
	UINT32.

	* src/symmetric/serpent.c (serpent_setup): Don't use array syntax
	for function argument types.
	
2000-09-10  Niels Möller  <nisse@cuckoo.localdomain>

	* doc/lsh.texinfo (Algorithm options): Updated the default
	algorithm list.

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2000-09-05  Rafael R. Sevilla  <dido@pacific.net.ph>

	* src/symmetric/rijndael.c, src/symmetric/include/rijndael.h: New. 
	LGPLed Rijndael implementation by me.
	* src/rijndael.c: New.  Adds support for Rijndael.
	* src/symmetric/serpent.c, src/symmetric/serpentsboxes.h,
	src/symmetric/include/serpent.h: New.  LGPLed Serpent implementation
	by Ross Anderson, Eli Biham, and Lars Knudsen.
	* src/serpent.c: New.  Adds support for Serpent.
	* src/symmetric/Makefile.am.in, src/atoms_in, src/Makefile.am.in,
	src/algorithms.c, src/crypto.h: updated for Rijndael and Serpent.

000-09-10  Niels Möller  <nisse@cuckoo.localdomain>

	* FAQ: Added a question on anonymous cvs access.

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2000-09-04  Niels Möller  <nisse@cuckoo.localdomain>

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	* doc/lsh.texinfo: Updated references to lsh-keygen and
	lsh-writekey. 

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	* Released 1.0.4.

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2000-09-03  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/rsa_keygen.c (rsa_generate_key): Can't compute a and b
	before d.

	* src/testsuite/keygen-2-test: Use lsh-writekey.
	* src/testsuite/keygen-test: Likewise.

	* src/rsa.c (make_rsa_algorithm): New argument NAME.
	* src/rsa.h (rsa_algorithm): New attribute NAME.

	* src/lsh-writekey.c (make_lsh_writekey_options): Added rsa
	support. 

	* src/dsa.h: New file, all dsa-related declarations moved here
	from dsa_keygen.h (which is obsoleted) and publickey_crypto.h.

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	* configure.in: Bumped version to 1.0.4. 

	* src/testsuite/macros.m4 (TS_SEXP): Use transport format.

	* src/publickey_crypto.h (DSA_MAX_SIZE): New constant.

	* src/parse.c (parse_bignum): New argument LIMIT.
	* src/sexp.c (sexp2bignum_u): Likewise.
	(sexp_get_un): Likewise.

	* src/dsa_keygen.c (dsa_generate_key): New function (extracted
	from lsh_keygen.c).

	* src/dsa.c (do_dsa_verify): Check signature size.
	(do_dsa_verify_spki): Likewise.
	(do_dsa_verify_kludge): Likewise.
	(spki_init_dsa_public): Check size of public key.

	* src/bignum.c (bignum_random_size): Strip extra high order bits.
	(bignum_next_prime): Minor cleanup.
	(bignum_random_prime): New function.

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2000-09-02  Niels Möller  <nisse@cuckoo.localdomain>

	* src/atoms.in: Added more rsa-related atoms.

	* src/Makefile.am.in: Renamed lsh_keygen and lsh_writekey. Added
	rsa_keygen.c. 

	* src/lsh-keygen.c: Renamed lsh_keygen.c.

	* src/lsh-writekey.c: Renamed lsh_writekey.c.

2000-09-01  Niels Möller  <nisse@cuckoo.localdomain>

	* src/lsh_keygen.c: Moved most dsa-specific code to dsa_keygen.
	Added support for rsa keys.

	* src/rsa.c (compute_rsa_root): Implemented CRT optimization.
	Constness fixes.

	* src/sexp_parser.c (sexp_parse_transport): New function.
	(string_to_sexp): Added style argument. Updated all callers. 

	* src/digits.c (decode_base64): New function.
	(simple_decode_base64): New function.

2000-08-29  Niels Möller  <nisse@cuckoo.localdomain>

	* src/Makefile.am.in (liblsh_a_SOURCES): Added rsa.c.

	* misc/make-dist: Keep rsa files.

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2000-08-29  Niels Möller  <nisse@lysator.liu.se>

	* configure.in: Improved message about upgrading m4.

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2000-08-24  Niels Möller  <nisse@cuckoo.localdomain>

	* src/client_userauth.c (do_exc_client_userauth): Update current
	index before using it (bugfix contributed by jps).

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2000-08-04  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/client_userauth.c (client_userauth_failure): Added again
	argument to the CLIENT_USERAUTH_FAILURE method.
	(client_userauth_state): Added attribute next.
	(userauth_method_is_useful): New function.
	(do_userauth_failure): Don't modify current. Instead, increment
	next as appropriate, and pass the new again argument to
	CLIENT_USERAUTH_FAILURE
	(do_exc_client_userauth): Update current correctly, unsing the new
	next attribute.
	(exc_userauth_disconnect): New class.
	(make_exc_userauth_disconnect): New function.
	(do_client_userauth): Use make_exc_userauth_disconnect().
	(send_password): Simplified tried_empty_passwd handling; just
	increment it.
	(do_password_failure): Use again and tried_empty_passwd to figure
	out what to do.

	* src/client_userauth.c (exc_client_userauth): Renamed (was
	client_exc_userauth). Updated all uses.

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	* src/command.h: Made declaration of command_die_on_null extern.

	* src/client_userauth.c: Added trace output.

	* src/channel_commands.c, src/channel_commands.h: Use ints to represent atoms.
	* src/gateway_channel.c (make_gateway_channel_open_command): Likewise.
	* src/lsh_writekey.c: Likewise.
	* src/proxy.c: Likewise.
	* src/server_publickey.c: Likewise.
	* src/spki.c (spki_get_type): 
	* src/spki_commands.c (make_pkcs5_encrypt): 

	* configure.in: Put -L flags in LDFLAGS, not LIBS.

	* acinclude.m4: Put all -R flags in LDFLAGS, not LIBS.

2000-08-03  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version to 1.0.3.

	* src/spki.c (spki_get_type): Use int to represent an atom.

	* src/atoms.h: Added a comment saying that atoms are represented
	as ints.

	* src/atoms.c (lookup_atom): Return int.

	* src/parse.c (parse_next_atom): Made static. Use int to represent
	atoms. 
	(parse_atom): Use int to represent atoms.

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2000-07-31  Niels Möller  <nisse@cuckoo.localdomain>

	* src/server_publickey.c (do_authenticate): Fail nicely if key is
	not authorized.

	* src/lsh-authorize: Fixed broken references to sexp_conv. 

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2000-07-28  Niels Möller  <nisse@cuckoo.localdomain>

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	* configure.in: Bumped version to 1.0.2.

	* src/format.h, src/format.h: Replaced macros with functions
	again, to get better typechecking.
	
	* src/format.h (make_cstring): Fixed macro.
				       
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	* src/list.h (LIST_LENGTH): Avoid casting.

	* src/jpoll.c (poll): Pass a correct timeout argument to select
	(reported by Jean-Pierre Stierlin).

2000-07-27  Niels Möller  <nisse@cuckoo.localdomain>

	* src/werror.c (write_syslog): Avoid using snprintf.

	* src/server_pty.c (CONST_STRLEN): New macro. Used instead of
	sizeof() to get the length of constant strings.

	* src/io.c (address_info2sockaddr): Use ssh_cformat().
	* src/lsh.c (do_options2known_hosts): Likewise.
	(do_options2identities): Likewise.
	(main_argp_parser): Likewise.
	* src/lsh_writekey.c (main_argp_parser): Likewise.
	(lsh_writekey_options2public_file): Likewise.
	* src/unix_user.c (do_file_exists): Likewise.
	(do_read_file): Likewise.
	(format_env_pair): Likewise.
	(format_env_pair_c): Likewise.
	* src/server_authorization.c (do_key_lookup): Likewise.
	* src/server_session.c (do_spawn_exec): Likewise.

	* src/lsh_writekey.c (do_lsh_writekey_handler): Display a
	friendlier message for EEXIST errors.

	* src/connection_commands.h: Added missing extern declarations (reported
	by Jean-Pierre Stierlin).
	* src/exception.h: Likewise.	

	* src/client_userauth.c (do_client_exc_userauth): Bugfix (reported
	by Jean-Pierre Stierlin).

	* src/format.c (ssh_cformat): New function.
	* src/format.c (format_cstring, make_cstring_l, make_cstring):
	Replaced with macros. 


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2000-07-14  Niels Möller  <nisse@cuckoo.localdomain>

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	* lsh-1.0.1 release.

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	* doc/lsh.texinfo: Spelling and grammar fixes by Johan
	Myreen. 

	* configure.in: IPv6 fixes by Johan Myreen.

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2000-07-09  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in (SCHEME_PROGRAM): Edited warning message displayed
	if no scheme is found.

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	* doc/lsh.texinfo (Algorithm options): Note that any argument to
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	the -z option must follow directly, with no spaces.

	* src/jpoll.c (poll): Use trace(), not printf, for debug messages.

	* configure.in: Bumped version to 1.0.1.

	* src/client_userauth.c (send_password): Check for empty password,
	and stop asking if the empty password is entered twice.
	(client_password_state): New attribute tried_empty_passwd.
	(send_password): Take a single client_password_state * argument.
	Updated callers.
	(make_client_password_state): Changed return type.

	* src/unix_user.c (do_logout_cleanup): Fixed HAVE_LOGWTMP
	conditional. 
	(do_fork_process): Likewise.

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2000-07-04  Niels Möller  <nisse@cuckoo.localdomain>

	* ANNOUNCE: Updated for 1.0.

	* configure.in: Bumped version to 1.0.

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2000-06-30  Niels Möller  <nisse@cuckoo.localdomain>

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	* doc/lsh.texinfo: Added @anchor markup for lsh-usage and
	lshd-usage. 

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	* src/symmetric/sha.c: Made the compression function sha_transform
	non-static. Use the READ_UINT32 and WRITE_UINT32 macros from
	lsh_types.h. 

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2000-06-28  Niels Möller  <nisse@lysator.liu.se>

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	* contrib/lsh.spec.in: Update by Thayne.

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	* src/symmetric/Makefile.am.in (BUILT_SOURCES): Don't include
	$(des_headers) here. 
	(EXTRA_DIST): Added $(des_headers) here.

	* doc/Makefile.am.in: Create lsh.html in the source directory.

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	* Makefile.am.in (MAKEFILESAM): cd to $(srcdir) before running
	./make_am. 

	* doc/Makefile.am.in: Commented out dvi and ps rules.

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	* src/xalloc.c (UNIT): Use unsigned long.
	(debug_malloc): Address memory using UNIT *.
	(debug_free): Likewise.

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2000-06-27  Niels Möller  <nisse@cuckoo.localdomain>

	* doc/lsh.texinfo: Bumped "updated-for" to 1.0.

	* configure.in: Bumped version to 0.9.15.

	* src/server_session.c (do_spawn_exec): Fixed declaration order.

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2000-06-27  Niels Möller  <nisse@lysator.liu.se>

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	* src/server_session.c (do_spawn_exec): Avoid array
	initialization, as the HPUX compiler doesn't like that.

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	* src/algorithms.h, src/channel.c, src/debug.h,
	src/parse_macros.h, src/server.c, src/erver_pty.c,
	src/server_session.c, xalloc.c: Minor bugfixes, reported by David
	Kågedal.

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2000-06-26  Niels Möller  <nisse@lysator.liu.se>

	* src/io.c (address_info2sockaddr): Look at HAVE_GAI_STRERROR and
	HAVE_AI_NUMERICHOST. Use #error rather than #warning

	* Include string.h in all files that use memcpy() or strlen().
	
	* configure.in: New option --with-include path.
	Fixed test of am_cv_prog_cc_stdc.
	Check for gai_strerror and AI_NUMERICHOST.
	Disable ipv6 and display a warning if gai_strerror and
	AI_NUMERICHOST are not found.

	* acconfig.h (HAVE_AI_NUMERICHOST): New define.

	* README: Updated, and added a reference to the manual. 

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2000-06-21  Niels Möller  <nisse@cuckoo.localdomain>

	* src/lsh.c (do_lsh_default_handler): Handle EXC_GLOBAL_REQUEST. 
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	Added --stdin, --stdout and --stderr options.
	(CASE_ARG): New macro.
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	* doc/Makefile.am.in (man_MANS): Use automake's man_MANS.
	(EXTRA_DIST): Added gateway-mode.txt and lsh.html to the
	distribution. 
	Added rule to build html version of the manual.

	* doc/lsh.texinfo (Getting started): New chapter.

	* src/sexp_commands.c (do_print_raw_hash_to): Write newline. 

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2000-06-20  Niels Möller  <nisse@cuckoo.localdomain>

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	* configure.in: Bumped version to 0.9.14.

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	* src/tcpforward_commands.c (new_tcpip_channel): Leave the
	REMEMBER_RESOURCE call for make_tcpip_channel().

	* src/tcpforward.c (make_tcpip_channel): Call REMEMBER_RESOURCE(). 

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2000-06-14  Niels Möller  <nisse@cuckoo.localdomain>

	* src/sexp-conv.c: Renamed from sexp_conv.c.

	* src/sexp.c (do_format_sexp_string): Removed redundant call to
	ssh_format. 
	(is_short): New function (removed #if 0).
	(do_format_sexp_tail): Implemented pretty printing.
	(do_format_sexp_cons): Enabled pretty printing.
	(do_format_sexp_vector): Implemented pretty printing.
	(encode_base64): Implemented line folding.

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2000-06-12  Niels Möller  <nisse@lysator.liu.se>

	* src/ssh-conv: Handle a different, one-line, key format.

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2000-06-10  Niels Möller  <nisse@cuckoo.localdomain>

	* src/ssh-conv: New script.

	* src/sexp_streamed_parser.c (string_handler): Deleted this class,
	after I noticed that it was equivalent to abstract_write.

	* src/read_file.c (make_read_file): New function, for reading an
	entire file.

	* src/read_base64.c (make_read_base64): New function, for reading
	an entire base64-encoded file.

	* src/exception.h (EXC_APP): New constant.

	* src/io.c (finish_io_exception): New static object.

	* src/dsa.c (make_dsa_public_key): New function.
	(do_dsa_public_key): Use make_dsa_public_key().

	* src/Makefile.am.in (bin_PROGRAMS): Added lsh-decode-key.
	(bin_SCRIPTS): Added ssh-conv.
	(liblsh_a_SOURCES): Added read_file.c and read_base64.c.

	* configure.in: Bumped version to 0.9.13.

	* src/lsh-decode-key.c: New program.

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2000-06-04  Niels Möller  <nisse@cuckoo.localdomain>

	* src/srp_exchange.c (srp_format_proofs): New function. Replaces
	srp_format_m2().
	(srp_make_reply_msg): Convert secret to string.
	(srp_make_client_proof): Compute m2, and return it through an
	extra argument..
	(srp_process_client_proof): Use srp_format_proofs().
	(srp_process_server_proof): Added argument m2. Deleted argument dh.

	* src/keyexchange.c (kex_build_secret): Add length header for
	secret key.

	* src/client_keyexchange.c: Adapted to changes in dh_exchange.c
	and srp_exchange.c.
	* src/server_keyexchange.c: Likewise.

	* src/dh_exchange.c (dh_process_client_msg): Convert secret to
	string. 
	(dh_make_server_msg): Added server_key argument.
	(dh_process_server_msg): Return server_key and signatur. Call
	dh_digest(). 
	(dh_verify_server_msg): #if:ed out function.

	* src/publickey_crypto.h: Changed typeof K attribute to string.
	Removed the server_key and signature attributes.

	* configure.in: Bumped version to 0.9.12.

	* src/client_userauth.c (do_client_exc_userauth): Use equality
	comparison when checking for EXC_USERAUTH.

	* src/lsh.c (do_lsh_default_handler): Check for EXC_USERAUTH.

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2000-06-02  Niels Möller  <nisse@cuckoo.localdomain>

	* src/unix_user.c (do_lookup_user): Let $HOME override the
	passwd->pw_dir, if (i) the server is not running as root, and (ii)
	the user logging in is the same user running the server.

	* src/lsh.c: Bugfixes in the userauth configuration.

	* src/lsh-authorize: Updated to use sexp_conv -f rather than
	sexp_conv -o. 

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2000-06-01  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/unix_user.c (do_lookup_user): When running as non-root, let
	$HOME override pw_dir from the passwd-database.

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	* src/srp-gen.c (main_argp_parser): By default, use transport
	syntax when writing to stdout, and canonical syntax when writing
	to a file.

	* src/server_session.c (do_open_session): assert() that
	connection->user is non-NULL.

	* src/lshd.c (lshd_connection_service): Use
	connection_require_userauth. 
	(main): Allow user's to request ssh-connection service without
	first executing the ssh-userauth protocol. This makes sense if SRP
	was used for key exchange. lshd_connection_service checks that the
	user is properly authenticated before actually starting the
	service. 

	* src/lsh.c (lsh_options): New attributes with_userauth and service. 
	(options2service): New command.
	(make_lsh_userauth): New expression.
	(make_lsh_connect): Use options2service.
	(main_options): New flags --publickey, --userauth, --no-userauth.
	(CASE_FLAG): New macro.
	(main_argp_parser): Implemented --userauth and --no-userauth
	options, with defaults depending on whether or not SRP is being
	used.
	Use the CASE_FLAG macro.
	(request_userauth_service): New global command object.
	(request_connection_service): New global command object.
	
	* src/connection_commands.c (connection_require_userauth): New command.
	(make_connection_if_srp): New function.

	* src/connection.h (CONNECTION_SRP): New constant.

	* src/client_keyexchange.c (do_srp_client_proof_handler): Set
	CONNECTION_SRP flag.
	* src/server_keyexchange.c (do_srp_server_proof_handler):
	Likewise. 

	* src/client.h (request_service): Moved class declaration here.
	(do_request_service): Added prototype and made non-static.
	(STATIC_REQUEST_SERVICE): New macro.

	* src/command, src/connection.c, src/exception.c, src/io.c,
	src/keyexchange.c, src/keyexchange.h, src/lsh_keygen.c,
	src/lshd.c, src/publickey_crypto.h, src/server_session.c,
	src/server_userauth.c, src/server_userauth.h, src/sexp.c,
	src/sexp_parser.c, src/spki.c, src/spki_commands.c,
	src/srp_exchange.c, src/tcpforward.c, src/werror.c: Removed old
	dead code.

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	* src/srp_exchange.c (srp_make_reply_msg): Check return value of
	GROUP_ADD. 
	Use new SRP-related atoms. More debug output.

	* src/srp-gen.c (make_srp_gen_options): Use make_ssh_ring_srp_1().
	Use the sexp_format() function.
	
	* src/sexp_commands.c (do_print_raw_hash_to): Use the sexp_format
	function, rather than invoking the SSH_FORMAT method directly.
	* src/spki_commands.c (do_spki_encrypt): Likewise.

	* src/server_userauth.c (userauth_handler): New attributes
	service_e and auth_e. WE use different exception handlers when
	invoking the AUTHENTICATE method and when invoking the service.
	(do_userauth_continuation): Simplified this continuation. It is
	passed a user, and returns the connection.
	(do_handle_userauth): When a service is eventually invoked, it is
	passed a single argument: the connection. Previously, the user
	object was passed as argument to the service.
	(do_userauth): Clear the user attribute of the connection, and
	display a warning message if the connection was already
	authenticated.
	(do_userauth): Don't call make_userauth_continuation() here.

	* src/server_session.c: Deleted user attribute.
	(make_server_session): Deleted user argument.
	(open_session): Deleted user attribute.
	(make_open_session): Deleted user argument.
	(server_connection_service): #if:ed out
	(spawn_process): Added user argument.
	(do_alloc_pty): Use CAST macro. Get the user from the connection
	object.
	(pty_request_handler): Statically allocated object, replaces the
	make_pty_handler function.

	* src/server_keyexchange.c (do_srp_server_proof_handler): Store
	the authenticated user in the connection object.

	* src/publickey_crypto.c (make_ssh_ring_srp_1): Use the generator
	5. Unlike 7, 5 is a primitive root.

	* src/lshd.c: Adapted to the simplified userauth-service
	framework. Deleted lshd_services and calls to
	make_server_connection_service. 

	* src/lsh.c (main_argp_parser): Use new srp-related atoms.

	* src/dh_exchange.c (dh_hash_digest): Added debug-message.

	* src/client_keyexchange.c (do_handle_srp_reply): Check return
	value from srp_make_client_proof().

	* src/atoms.in: Renamed srp-group1-sha1 -> srp-ring1-sha1,
	ssh-group1 -> ssh-ring1.

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2000-05-31  Niels Möller  <nisse@cuckoo.localdomain>

	* src/lsh.c (main_argp_parser): Use make_srp1().
	Changed behaviour of srp-keyexchange and dh-exchange. If only
	--srp-keyexchange is given, dh keyexchange is disabled. 

	* src/lshd.c (main_argp_parser): Use make_srp1().

	* src/srp_exchange.c (make_srp1): New function.
	(srp_make_reply_msg): Use GROUP_ADD.
	(srp_make_client_proof): Use GROUP_SUBTRACT.

	* src/srp.h (make_srp1): Added prototype.

	* src/server_keyexchange.c: Adapted to changes in keyexchange.c.
	Don't use make_install_new_keys().
	* src/client_keyexchange.c: Likewise.

	* src/publickey_crypto.h (abstract_group): Added methods GROUP_ADD
	and GROUP_SUBTRACT, that are defined only for groups that happens
	to have some extra structure.

	* src/publickey_crypto.c (make_group_zn): Renamed from make_zn.
	(make_ring_zn): New function.
	(make_ssh_ring_srp_1): New function.

	* src/connection_commands.c: Adapted to the changes to
	ssh_connection and keyexchange.c.

	* src/connection_commands.h (handshake_info): Replaced mode
	attribute with flags.

	* src/keyexchange.c (kexinit_handler): Deleted type attribute.
	(initiate_keyexchange): Deleted mode argument, use
	connection->flags instead.
	(do_handle_kexinit): Use connection->flags.
	(make_kexinit_handler): Deleted type argument.
	(install_keys, install_new_keys): Deleted classes.
	(install_keys): Made the INSTALL_KEYS method an ordinary function. 
	(keyexchange_finish): Use install_keys().

	* src/connection.c (make_ssh_connection): Added flags argument.
	Initialize flags and user.

	* src/connection.h (ssh_connection): Added flags attribute, and
	switched the values of CONNECTION_CLIENT and CONNECTION_SERVER.
	Added user attribute.
	
	* configure.in: Bumped version to 0.9.11.

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2000-05-30  Niels Möller  <nisse@lysator.liu.se>

	* src/invert-defs: Improved awk-code to deal with repeated message
	numbers. Thanks to bellman.

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2000-05-29  Niels Möller  <nisse@lysator.liu.se>

	* src/testsuite/macros.m4 (TS_STRING): Ignore newlines in hex
	literals. 
	(TS_TEST_STRING_EQ): Construct values only once.
	(TS_TEST_HMAC): New macro.

	* src/testsuite/Makefile.am (TS_PROGS): Added sha1-test and
	m5-test. 

	* src/testsuite/sha1-test.m4: New file.
	* src/testsuite/md5-test.m4: New file.

	* src/digit_table.c (main): There's no hex digit with the value
	16. 

	* src/abstract_crypto.c (mac_string): New function.

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2000-05-28  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/werror.c (werror_hexdump): Include an ascii column in the
	output. 

	* src/unix_user.c (do_read_file): Fixed call to ssh_format.

	* src/publickey_crypto.h (make_dh): Added prototype.

	* src/dh_exchange.c (init_dh_instance): Use hex in debug output. 

	* src/client_keyexchange.c (srp_client_instance): Removed salt
	attribute. 
	(do_handle_srp_reply): Bug fixes.

	* doc/Makefile.am.in: Added pattern rule for RFC-like nroff
	formatting. 

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	* src/srp_exchange.c (srp_make_verifier): New function.
	(srp_hash_password): Fixed call to ssh_format.
	(srp_make_init_msg): Likewise.
	(srp_make_reply_msg): Likewise.

	* src/publickey_crypto.c (make_ssh_group1): New funcction.

	* src/lshd.c: Added SRP support. New options --srp-keyexchange,
	--no-srp-keyexchange, --dh-keyexchange, --no-dh-keyexchange.
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	* src/lsh.c: Likewise.
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	* src/dh_exchange.c (make_dh): New function.
	(make_dh1): Use make_dh() and make_ssh_group1().

	* src/command.h (COMMAND_STATIC): New macro.

	* src/Makefile.am.in (bin_PROGRAMS): Added srp-gen.

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	* src/unix_user.c (do_read_file): Changed USER_READ_FILE to use
	exceptions and continuations.

	* src/ssh.h: Added message numbers for SRP key exchange and dh
	group negotiation. 

	* src/srp_exchange.c: Various bugfixes. At least compiles now.

	* src/sexp.c (sexp_check_type_l): Renamed tthe sexp_check_type
	function. 
	(sexp_check_type): Moved and renamed the spki_check_type function.
	(sexp2bignum_u): New function.
	(sexp_atom_eq): New function.
	(sexp_atoms_eq): Renamed the previos sexp_atom_eq function.
	(sexp_get_un): Use sexp2bignum_u.

	* src/publickey_crypto.h: Renamed all occurences of
	"diffie_hellman" do "dh".

	* src/publickey_crypto.c (zn_ring_add): New function.
	(zn_ring_subtract): New function.

	* src/keyexchange.c (kex_build_secret): Use a string rather than a
	bignum for the third argument.
	(keyexchange_finish): New function.

	* src/io.c (check_user_permissions): Made fname argument const.
	(io_read_user_file): Fixed call to fstat().

	* src/invert-defs: Use -u flag to sort (is that a GNU:ism?)

	* src/exception.c (make_protocol_exception): Updated with new
	messages. 

	* src/dh_exchange.c (dh_hash_update): New (or ersurrected)
	function. 
	(dh_hash_digest): Don't hash the host key here.
	(dh_make_server_msg): Hash host key.
	(dh_process_server_msg): Likewise.

	* src/client_keyexchange.h (make_srp_client): New prototype.

	* acconfig.h: Added WITH_SRP.

	* configure.in: Include sys/types.h when checking for utmp
	members.
	Added --disable-srp option.

	* src/client_keyexchange.c (do_handle_dh_reply): Use
	keyexchange_finish().
	First attempt at SRP support.
	* src/server_keyexchange.c: Likewise
	
	* src/atoms.in: Added srp-group1-sha1, srp-verifier and ssh-group1.

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2000-05-27  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/testsuite/Makefile.am (TS_MORE_SH): Added lsh-4-test.

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	* src/publickey_crypto.h: Renamed the class group to abstract_group.
	(GROUP_RANGE): Renamed from GROUP_MEMBER, as it actually doesn't
	check membership.
	(GROUP_SMALL_POWER): New method, for raising a group element to a
	power that fits in an UINT32.
	(abstract_group): Added generator attribute.

	* src/publickey_crypto.c: Moved most dh-related code to
	dh_exchange.c. Moved the definition of the group_zn class to
	publickey_crypto.h. 

	* src/Makefile.am.in (liblsh_a_SOURCES): Added dh_Exchange.c and
	srp_exchange.c. 

	* src/userauth.h (lsh_user): Added read_file method.

	* src/unix_user.c (do_read_file): New function.
	(make_unix_user_db): Added backend argument.

	* src/io.c (check_user_permissions): New function.
	(io_read_user_file): New function.

	* src/io.h (io_read_user_file): Added prototype.

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2000-05-24  Niels Möller  <nisse@cuckoo.localdomain>

	* contrib/lsh.spec.in: Use -o flag for lsh_writekey (Thayne).

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2000-05-22  Niels Möller  <nisse@cuckoo.localdomain>

	* src/io.c (do_kill_fd): Call close_fd_nicely(). This fixes a
	problem, where output from for instance "lsh host echo foo" loses
	output because the channel is closed before the output is flushed
	from the write buffer.

	* src/channel.c (adjust_rec_window): Check the state of the
	channel, and send the SSH_MSG_CHANNEL_WINDOW_ADJUST message only
	if it makes sense.

	* src/dsa.c (do_dsa_verify): Removed the extra length field, as it
	seems it will disappear in the next draft.
	(do_dsa_sign): Likewise.

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2000-05-21  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version to 0.9.10.

	* acinclude.m4 (AC_SEARCH_LIBGMP): Use HAVE_GMP_H and
	HAVE_GMP2_GMP_H. 

	* configure.in (gmp_header_found): Changed "no gmp" error message
	not to refer to a particular version.

	* src/dsa.c (do_dsa_verify): Require outer length field.
	(do_dsa_sign): Add outer length field.

	* src/ssh.h (SSH_DISCONNECT_TOO_MANY_CONNECTIONS): Updated for
	draft-ietf-secsh-transport-07.txt.
	(SSH_DISCONNECT_AUTH_CANCELLED_BY_USER): Likewise.
	(SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE): Likewise.
	(SSH_DISCONNECT_ILLEGAL_USER_NAME): Likewise.
	(SSH_DISCONNECT_RESERVED): Likewise.

	* src/client.c (do_exit_signal): Use control character filtering
	on the message.

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2000-05-19  Niels Möller  <nisse@lysator.liu.se>

	* src/client_userauth.c (do_userauth_pk_ok): Moved else across
	"#endif /* DATAFELLOWS_WORKAROUNDS */" (reported by Sami
	Lehtinen). 

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2000-05-09  Niels Möller  <nisse@lysator.liu.se>

	* src/unix_user.c (do_fork_process): Check HAVE_UT_NAME and
	HAVE_UT_USER. 

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2000-05-08  Niels Möller  <nisse@cuckoo.localdomain>

	* acconfig.h (HAVE_UT_NAME): Added.
	(HAVE_UT_USER) Added.

	* configure.in: Bumped version to 0.9.9.
	Added --with-lib-path option, RPATH handling, and checks for
	libutil.h, ut_name and ut_user. Fixed gmp check to recognize
	gmp-3.x. 

	* src/unix_user.c: Include libutil.h if available (reported by
	Jonathan McDowell).
	(lsh_make_utmp): Use ut_user if ut_name is not available.
	(reported by Jonathan McDowell).

	* src/server_session.c: Include signal.h (reported by Jonathan
	McDowell). 

	* src/symmetric/desTest.c: Eliminate warnings.

	* src/io.c (address_info2sockaddr) [!HAVE_GETADDRINFO]: Initialize
	addr->sin_family properly (reported by Jonathan McDowell).

	* acinclude.m4 (LSH_RPATH_INIT): New macro.
	(LSH_RPATH_FIX): Likewise.
	(AC_SEARCH_LIBGMP): Likewise.

2000-05-07  Niels Möller  <nisse@cuckoo.localdomain>

	* src/lsh_types.h: Include stddef.h.

	* configure.in: Fixes for recognizing gmp-3.x.

	* acinclude.m4 (AC_CHECK_LIBGMP): New macro.

	* acconfig.h: Added HAVE_LIBGMP

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	* configure.in: Bumped version to 0.9.8.

	* src/sexp.c (sexp_argp_parser): Renamed output-format option from
	-o to -f.

	* src/lsh_writekey.c (main_options): #if:ed out the -f alias.

	* doc/lsh.texinfo (Getting started): Updated example on using
	lsh_writekey. 

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	* src/tcpforward_commands.c (do_remote_port_install_continuation):
	Handle only the successful case here.

	* src/connection.c (make_ssh_connection): Bugfix: Don't apply
	SSH_CHANNEL_MAX_PACKET_FUZZ here.

	* src/client_userauth.c (client_publickey_next): Fixes for the
	case where we send complete signatures for several keys.

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2000-05-01  Niels Möller  <nisse@cuckoo.localdomain>

	* src/testsuite/keygen-test: Use -o flag to lsh_writekey.

	* src/spki_commands.c (make_pkcs5_encrypt): New function.

	* src/spki.c: Deleted old #if'ed out code.

	* src/sexp.c (sexp_s): Renamed from make_sexp_string(). Updated
	all callers.

	* src/pkcs5.c (pkcs5_derive_key): Renamed pkcs5_key_derivation().
	Added comments trying to analyze the choice of iteration count.

	* src/lsh_writekey.c: Major reorganization. Use argp, and support
	pkcs5-style encryption. 

	* src/lsh_keygen.c (main_argp_parser): Removed ARGP_KEY_ARG case. 
	* src/lshd.c (main_argp_parser): Likewise.

	* src/io.c (safe_pushd): Use char * for the directory argument. 

	* src/crypto.h (pkcs5_derive_key): Renamed pkcs5_key_derivation(). 

	* src/algorithms.c (lookup_crypto): Added an extra argument for
	returning tha algorithm object, not just the name. Updated all
	callers. 
	(lookup_mac): Likewise.
	(lookup_compression): Likewise.
	(lookup_hash): Likewise.
	(vlist_algorithms): Made non-static. 
	(list_algorithms): Likewise.
	(list_crypto_algorithms): Likewise.
	(list_mac_algorithms): Likewise.
	(list_compression_algorithms): Likewise.

	* src/abstract_crypto.c (crypt_string_pad): New function.
	(crypt_string_unpad): New function.

	* src/Makefile.am.in (noinst_PROGRAMS): Added pkcs5-test.

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2000-04-23  Niels Möller  <nisse@cuckoo.localdomain>

	* src/testsuite/Makefile.am (TS_PROGS): Added twofish-test.

	* Constness improvements.
	
	* src/pkcs5.c: New file.

	* src/keyexchange.c (kex_make_mac): Pass key length to MAKE_MAC. 

	* src/io.c (safe_popd): New function.
	(safe_pushd): New function.

	* src/hmac.c (make_hmac_instance): Added key length argument, and
	implemented variable size keys.

	* src/gc.c (gc_kill): Implemented early deallocation.

	* src/crypto.h (pkcs5_key_derivation): Added prototype.

	* src/abstract_crypto.h (MAKE_MAC): Added key length argument. 
	Const-ness fixes.

	* src/Makefile.am.in (liblsh_a_SOURCES): Added pkcs5.c. 

	* acinclude.m4 (AC_CHECK_MEMBER): Bug fix. 

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2000-04-22  Niels Möller  <nisse@lysator.liu.se>

	* src/unix_user.c (lsh_make_utmp): Check HAVE_UT_HOST.

	* src/io.c: include sys/stat.h
	(io_listen_local, io_connect_local): Use AF_UNIX, not AF_LOCAL

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2000-04-22  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version.

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2000-04-21  Niels Möller  <nisse@cuckoo.localdomain>

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	* Removed lots of old #if:ed out code.
	
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	* src/testsuite/lsh-cat-test: Use diff to check result.

	* src/userauth.h: Added more arguments to the USER_FORK method. 

	* src/unix_user.c (make_logout_cleanup): New function.
	(lsh_strncpy): New funtion.
	(lsh_strncpy_tty): Kew function.
	(lsh_make_utmp): New function.
	(process_resource): Class moved here from server_session.c. 
	(do_fork_process): Added utmp/wtmp support, and some more
	arguments. 

	* src/tcpforward_commands.c (do_tcpip_connect_io): Take a
	listen_value as argument, not an lsh_fd.

	* src/sexp_commands.c (do_read_sexp): Changed
	CAST_SUBTYPE(lsh_fd...) to CAST(lsh_fd...)
	* src/tcpforward.c (do_tcpip_forward_request_continuation):
	Likewise. 

	* src/server_session.c (spawn_process): Added peer argument, and
	updated callers.
	(spawn_process): Adapted to the changed USER_FORK method.

	* src/lsh.h: Added forward declarations for struct reap and struct
	exit_callback. 

	* src/io_commands.c (make_connect_continuation): New function. 
	(do_connect): Return a listen_value, not an lsh_fd. Now,
	"listen_value" is an inappropriate name.

	* src/io_commands.c (io_log_peer_command): Don't strip peer
	information.  

	* src/io.c (io_listen_local): Use fchdir().
	(io_connect_local): New function.

	* src/connection_commands.c (do_handshake): Take a listen_value
	as argument, not an lsh_fd.

	* src/connection.c (make_ssh_connection): Added peer argument. 

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2000-04-20  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/tcpforward_commands.c: Changed uses of listen_command to
	listen_callback.

	* src/tcpforward.c (do_tcpip_forward_request_continuation,
	do_tcpip_forward_request_exc): Moved handling of the failure case
	to the exception handler.

	* src/io_commands.c (make_simple_listen): Deleted resources argument.
	(make_remember_continuation): New function. (Currently not used).
	(do_listen): Generalized, so that it can be used by all of
	do_simple_listen, do_listen_with_callback and do_listen_with_connection.
	(listen_with_callback):  Renamed the improperly named listen_connection.
	(listen_with_connection): New command.

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	* src/client_userauth.c (make_banner_handler): Replaced with
	a static object.

	* src/channel.c (do_channel_open): Use SSH_CHANNEL_MAX_PACKET_FUZZ
	* src/server_session.c (make_server_session): Likewise.
	* src/client.c (make_client_session): Likewise.
	* src/tcpforward.c (make_tcpip_channel): Likewise

	* src/command.h (command_context): Updated comment.

	* src/connection.c (make_fail_handler): Replaced with static object.
	(make_unimplemented_handler): Likewise.

	* src/disconnect.c (make_disconnect_handler): Replaced with a
	static object.

	* src/io.c (choose_address): Choose one address fron an
	addrinfo-list, using a list of preferred address families.
	(address_info2sockaddr): Added preference argument. Updated all
	calls. 

	* src/lookup_verifier.h (lookup_verifier): Updated comments. 

	* src/zlib.c (struct zlib_type): New type.
	(do_free_zstream): Don't rely on casting the void * opaque to a
	function pointer. 
	(do_zlib): Improved messages.

	* src/read_data.c (make_read_data): Deleted the overhead argument. 

	* src/ssh.h (SSH_CHANNEL_MAX_PACKET_FUZZ): New constant.

	* src/algorithms.c (prefer_compression_algorithms): New function. 
	(algorithms_argp_parser): Changed behaviour of -z with no argument.

	* doc/lsh.texinfo (Algorithm options): Documented change of -z
	behaviour. 

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2000-04-19  Niels Möller  <nisse@cuckoo.localdomain>

	* src/xalloc.h [DEBUG_ALLOC] (CHECK_TYPE, CHECK_SUBTYPE): Return
	the object pointer. Needed by CLONE()

	* src/userauth.h (lsh_user): Added tty-argument to the fork
	method. 

	* src/unix_user.c (do_fork_process): Call logwtmp. For now, the
	host-name is bogus.

	* src/server_session.c (do_kill_process): Call logout(), to update
	wtmp. 
	(spawn_process): Construct tty name for utmp/wtmp logging.
	(lsh_basename): New function.

	* src/lsh.c, src/lshd.c, src/lsh_proxy.c: Improved default
	behaviour if no --port argument is given.

	* src/io_commands.c (do_listen, do_listen_connection, do_connect):
	IPv6 support. 

	* src/io.c (get_inaddr): Removed.
	(tcp_addr): Likewise.
	(make_address_info_c): Added an extra argument used as fallback if
	service lookup fails.
	(sockaddr2info): IPv6 support.
	(address_info2sockaddr): Rewrote, to handle IPv6 and to allocate
	the returned sockaddr structure dynamically.

	* src/connection.h (ssh_connection): Added peer attribute,
	currently unused.

	* src/atoms.in: Added rsa-related atoms.

	* configure.in: Replaced many calls to AC_ARG_WITH with
	AC_ARG_ENABLE. Added --disable-ipv6 and --disable-utmp flags.

	* acconfig.h: Added WITH_IPV6 and WITH_UTMP.

2000-04-18  Niels Möller  <nisse@cuckoo.localdomain>

	* src/io_commands.c (do_listen_continue): Use make_listen_value().

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2000-04-17  Niels Möller  <nisse@cuckoo.localdomain>

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	* src/publickey_crypto.h (make_rsa_algorithm): Added prototype. 

	* src/io.c (io_iter): Use #ifdef:s around tests for POLLNVAL,
	POLLPRI and POLLHUP.

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	* configure.in: Bumped version to 0.9.6.

2000-04-16  Niels Möller  <nisse@cuckoo.localdomain>

	* src/io.c (io_listen): Take a sockaddr * rather than a
	sockaddr_in *. 
	(io_listen_local): Implemented local sockets. Currently #if:ed
	out. 

	* src/io_commands.c (do_listen): Pass a sockaddr * rather than a
	sockaddr_in * to io_listen.
	(do_listen_connection): Likewise.

	* src/lsh_types.h (OFFSETOF): Define, if needed.

	* src/lsh.h (NUL_TERMINATED): New macro.

	* src/dsa.c (WITH_DSA_CLASSIC): Deleted this unused macro.

	* configure.in (lsh_cv_c_offsetof): Check for offsetof.

	* src/unix_user.c (make_unix_user): Use NUL_TERMINATED macro.

	* acconfig.h (HAVE_C_OFFSETOF): New macro. 

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2000-04-13  Niels Möller  <nisse@lysator.liu.se>

	* src/unix_user.c (do_exec_shell): Fixed debug() call.

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2000-04-12  Niels Möller  <nisse@cuckoo.localdomain>

	* src/testsuite/Makefile.am (TS_MORE_SH): Added lsh-cat-test.

	* src/testsuite/functions.sh (exec_lsh): New function. 

	* src/server_session.c (do_spawn_exec): Don't spawn a login-mode
	shell.
	(do_send_adjust): Check that files are alive before operating on
	them. 

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2000-04-11  Niels Möller  <nisse@cuckoo.localdomain>

	* src/io.c (io_listen_local): Started on AF_LOCAL support.
	Currently disabled.

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2000-04-11  Niels Möller  <nisse@lysator.liu.se>

	* src/lshd.c (main_argp_parser): Fixed root-login option.

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2000-04-10  Niels Möller  <nisse@cuckoo.localdomain>

	* configure.in: Bumped version to 0.9.5.
	Fixed descriptions of options.

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2000-04-06  Niels Möller  <nisse@lysator.liu.se>

	* src/channel.c (do_window_adjust): Allow CHANNEL_WINDOW_ADJUST
	when we have received EOF but not CLOSE. Noted by Markus Friedl.

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2000-04-02  Niels Möller  <nisse@lysator.liu.se>

	* configure.in: Bumped version to 0.9.4.

	* src/userauth.h: Renamed class user to lsh_user, to avoid name
	clash with glibc. 

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2000-04-02  Niels Möller  <nisse@cuckoo.localdomain>

	* contrib/Makefile.am (EXTRA_DIST): Added lshd.debian.init 

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2000-04-01  Niels Möller  <nisse@cuckoo.localdomain>

	* src/unix_user.c (do_exec_shell): Fixed MAX_ENV check.

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2000-03-29  Niels Möller  <nisse@cuckoo.localdomain>

	* src/unix_user.c (do_lookup_user): Improved shadow support,
	following suggestions by Thayne Harbaugh.

2000-03-28  Niels Möller  <nisse@cuckoo.localdomain>

	* contrib/lshd.rhlinux.init: chkconfig priorities.

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2000-03-26  Niels Möller  <nisse@cuckoo.localdomain>

	* src/server_session.c (server_session): New attribute
	initial_window. 

	* src/client.c (make_client_session): Removed references to
	max_window. 

	* src/channel.c (channel_start_receive): Added argument
	initial_window_size. Removed references to max_window.
	(format_global_request): New function.

	* src/channel.h (ssh_channel): Removed obsolete max_window
	attribute.  
	(channel_open): Added send_window_size argument.

	* src/Makefile.am.in (liblsh_a_SOURCES): Added gateway_channel.c.
	Removed proxy_channel.c.

	* src/gateway_channel.c: New file. More or less copied from
	proxy_channel.c. 

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2000-03-19  Niels Möller  <nisse@cuckoo.localdomain>

	* src/unix_user.c (do_lookup_user): Honor shadow-style password
	aging and account expiration.

	* configure.in: Bumped version to 0.9.2.

	* src/unix_user.c (do_file_exists): Deallocate the name properly.

	* src/server_authorization.c (do_key_lookup): Don't free the
	filename twice.

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2000-03-16  Niels Möller  <nisse@cuckoo.localdomain>

	* src/proxy.c, src/proxy.h: Merged changes (Bazsi).

	* src/lsh_proxy.c: More features (Bazsi).

	* src/lsh.c (WINDOW_SIZE): Decreased to 10000.
	* src/server_session.c (WINDOW_SIZE): Likewise.

	* src/channel.h (ssh_channel): Replaced CHANNEL_SEND method with
	CHANNEL_SEND_ADJUST. 
	(CHANNEL_OPEN): Added send_max_packet argument.

	* src/channel.c (format_open_confirmation): Added debug output. 
	(do_channel_open): Pass send_packet_size to the CHANNEL_OPEN
	method, and round it down to SSH_MAX_PACKET if needed.
	(do_window_adjust): Pass the window adjustment to the
	CHANNEL_SEND_ADJUST method.

	(do_channel_data): Check that data length is less than
	rec_max_packet. More debug output.
	(do_channel_extended_data): Likewise.

	* src/proxy_agentforward.c, src/proxy_agentforward.h,
	proxy_x11forward.c, proxy_x11forward.h: New files (Bazsi). 

	* src/Makefile.am.in (liblsh_a_SOURCES): Added
	proxy_agentforward.c and proxy_x11forward.c.

	* configure.in: Bumped version to 0.9.1.
	(--without-x11-forward, --without-agent-forward): New flags. So
	far, used only by the proxy.

	* acconfig.h (WITH_X11_FORWARD, WITH_AGENT_FORWARD): New defines.  

2000-03-14  Niels Möller  <nisse@cuckoo.localdomain>

	* src/server_session.c (do_spawn_exec): New function.
	(make_exec_handler): New function.

	* src/lshd.c (main): Enable command execution.

	* src/format.c (make_cstring_l): New function.

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2000-03-13  Niels Möller  <nisse@lysator.liu.se>

	* src/lsh.c (lsh_options): Renamed stdin attribute to stdin_file,
	and similarly for stdout and stderr.

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2000-03-08  Niels Möller  <nisse@cuckoo.localdomain>

	* src/server_session.c (do_login): Fixed message.
	(do_spawn_shell): Adapted to improved user class.

	* src/server_userauth.h: Removed unix_user_db class (moved to
	unix_user.c). 

	* src/server_publickey.c (do_authenticate): Use the user
	superclass rather than unix_user.

	* src/server_password.c (do_authenticate): Use the new
	USER_VERIFY_PASSWORD method.

	* src/server_authorization.c (do_key_lookup): Use the new
	USER_FILE_EXISTS method.

	* src/Makefile.am.in (liblsh_a_SOURCES): Added unix_user.c.

	* src/werror.c (error_fd): Made  static.
	(dup_error_stream): New function.
	(set_error_ignore, set_error_syslog): Set error_fd to -1.

	* src/userauth.h (user): Added uid attribute, and a bunch of
	methods. 

	* src/unix_user.c: New file, implementing the unix_user class. 

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2000-03-07  Niels Möller  <nisse@cuckoo.localdomain>

	* src/lsh.c: Implemented rsh-style operation, and the -S and -E
	action options. 

	* src/client.c (make_exec_request): New function.

2000-03-06  Niels Möller  <nisse@cuckoo.localdomain>

	* src/client_pty.c (do_format_pty_request): Free the terminal-mode
	string. 

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2000-03-02  Niels Möller  <nisse@cuckoo.localdomain>

	* src/rsync/send.c: Improved the sending state machine. Still
	missing some pieces.

	* src/rsync/checksum.c (rsync_search): Increment i in the middle
	of the loop.

	* src/rsync/Makefile.am (librsync_a_SOURCES): Added send.c.

2000-02-27  Niels Möller  <nisse@cuckoo.localdomain>

	* src/rsync/generate.c (rsync_update): Call rsync_update_1.

	* src/rsync/Makefile.am (librsync_a_SOURCES): Added checksum.c. 

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