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2000-11-20  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/unix_interact.c (make_unix_interact): Install signal handler
	only if backend is non-NULL.

	* src/srp-gen.c: New tty attribute.
	(main_argp_parser): Use new interact class.

	* src/spki_commands.c: Updated pkcs#5v2 sexp representation to
	include the iteration count.
	(do_spki_encrypt): Removed the dummy noiv string. Use NULL
	instead. 
	(do_spki_encrypt): Include iteration count, using sexp_uint32(). 
	(spki_password_decrypt): New class.
	(do_spki_decrypt): New function.
	(make_pkcs5_decrypt): New function.

	* src/sexp.c (sexp_uint32): New function.
	(sexp2uint32): New function.

	* src/password.h: Marked as obsolete.

	* src/lsh_types.h (READ_UINT24): New macro.

	* src/lsh.c: Pass tty object to make_client_password_auth and
	make_srp_client. 

	* src/lsh-writekey.c (lsh_writekey_options): New attribute tty.
	(main_argp_parser): Use interact class to ask for the password. 

	* src/client_userauth.c: New attribute tty.
	(send_password): Use interact class to ask for the password. 
	(make_client_password_state): New argument tty.
	(client_password_method): New class.
	(make_client_password_auth): New argument tty.

	* src/client_password.c: Marked as obsolete.

	* src/client_keyexchange.c (srp_client_instance,
	srp_client_exchange): New attribute tty.
	(do_handle_srp_reply): Use new interact class for asking for the
	password.
	(make_srp_client): New argument tty.

	* src/atoms.in: Added keyword "iterations".

	* src/Makefile.am.in (liblsh_a_SOURCES): Removed client_password.c.

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	* 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.

	* 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.
	
	* 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.

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

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

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

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

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

	* Released lsh-1.0.6.

	* 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).

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	* configure.in: Bumped version to 1.0.6.

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

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	* 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. 

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

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

	* 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.

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	* 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>
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	* 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.

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2000-09-14  Niels Möller  <nisse@cuckoo.localdomain>
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	* 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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	* src/keyexchange.c (do_handle_newkeys): Clear
	connection->kexinits.

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	* 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.
	
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2000-09-10  Niels Möller  <nisse@cuckoo.localdomain>
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	* doc/lsh.texinfo (Algorithm options): Updated the default
	algorithm list.

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.

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

	* Released 1.0.4.

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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.

	* 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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	* 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.

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	* 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.

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2000-08-29  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/Makefile.am.in (liblsh_a_SOURCES): Added rsa.c.

	* misc/make-dist: Keep rsa files.

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	* configure.in: Improved message about upgrading m4.

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2000-08-24  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/client_userauth.c (do_exc_client_userauth): Update current
	index before using it (bugfix contributed by jps).

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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.

	* 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.

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	* 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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	* 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.
				       
	* src/list.h (LIST_LENGTH): Avoid casting.

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

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	* 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.

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

	* doc/lsh.texinfo (Algorithm options): Note that any argument to
	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>
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	* ANNOUNCE: Updated for 1.0.

	* configure.in: Bumped version to 1.0.

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

	* 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.

	* 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.

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

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

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

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

	* 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
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	Kågedal.
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2000-06-26  Niels Möller  <nisse@lysator.liu.se>
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	* 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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	* src/lsh.c (do_lsh_default_handler): Handle EXC_GLOBAL_REQUEST. 
	Added --stdin, --stdout and --stderr options.
	(CASE_ARG): New macro.

	* 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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	* configure.in: Bumped version to 0.9.14.

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

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

	* 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.

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

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	* 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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	* 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. 

	* 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.
	* src/lsh.c: Likewise.

	* 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.

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

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

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

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

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	* 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.

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	* 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. 

	* 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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	* 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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	* 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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	* 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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	* configure.in: Bumped version.

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	* Removed lots of old #if:ed out code.
	
	* 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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	* 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.

	* 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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	* 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.

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

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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.

	* configure.in: Bumped version to 0.9.6.

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

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

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

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

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

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

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

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

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	* 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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	* 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>
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	* 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.  

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2000-03-14  Niels Möller  <nisse@cuckoo.localdomain>
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	* 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>
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	* 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>
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	* 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>
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	* src/lsh.c: Implemented rsh-style operation, and the -S and -E
	action options. 

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

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2000-03-06  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/client_pty.c (do_format_pty_request): Free the terminal-mode
	string. 

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	* 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.

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2000-02-27  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/rsync/generate.c (rsync_update): Call rsync_update_1.

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

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2000-02-26  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/Makefile.am.in (SUBDIRS): Added rsync.

	* configure.in (lsh_cv_c_attribute): Output src/rsync/Makefile. 

	* src/lsh_types.h (WRITE_UINT16): Added READ_UINT16 and
	WRITE_UINT16 macros.

	* src/connection_commands.c (do_line): Recognize ssh-2.1.0 (Markus
	Friedl) 

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	* doc/lsh.texinfo (Invoking lshd): Adding doc for --root-login. 

	* src/version.h (BUG_ADDRESS): New constant.

	* src/userauth.h (user): New class.

	* src/sexp_conv.c (argp_program_version,
	argp_program_bug_address): New constants.

	* src/server_userauth.c (make_unix_user_db): New function.
	(do_lookup_user): Check allow_root flag.

	* src/server_session.c (do_login): Write log message.

	* src/server_publickey.c (make_userauth_publickey): Take user_db
	argument.
	
	* src/server_password.c (make_userauth_password): New function. 

	* src/server_authorization.c (do_key_lookup): Take user as
	argument. 

	* src/lshd.c (argp_program_version, argp_program_bug_address): New
	constants.
	(main_options): New options --root-login and --no-root-login.
	(main_argp_parser): Use make_unix_user_db().

	* src/lsh_proxy.c (argp_program_version,
	argp_program_bug_address): New constants.

	* src/lsh_keygen.c (argp_program_version,
	argp_program_bug_address): New constants.

	* src/lsh.c (argp_program_version): New constant. 
	(argp_program_bug_address): New constant.

	* src/lookup_verifier.h (lookup_verifier): Changed third argument
	to authenticate method to struct user. 

	* src/lsh.h: Added forward declaration of struct user.

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2000-02-21  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/algorithms.c (vlist_algorithms): New function.
	(list_algorithms): New function.
	(list_crypto_algorithms): New function.
	(list_mac_algorithms): New function.
	(list_compression_algorithms): New function.
	(algorithms_options): New option --list-algorithms.
	(algorithms_argp_parser): List supported algorithms on errors. 

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	* src/io_commands.c (do_listen_connection): Raise EXC_IO_LISTEN. 

	* src/tcpforward.c (make_tcpip_forward_request_exc): New function. 
	(do_tcpip_forward_request): Use a better exception handler.

	* src/read_data.c (make_read_data): Deleted assert checking
	send_max_packet.

	* src/zlib.c (do_free_zstream): Changed message from verbose() to
	debug():

	* src/testsuite/Makefile.am (TS_MORE_SH): Added tcpip-remote-test. 

	* src/testsuite/functions.sh: Pass --enable-core to lshd.
	Use set -e and set +e.

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2000-02-17  Niels Möller  <nisse@cuckoo.localdomain>
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	* README: Updated disclaimer to be a little less pessimistic.  

	* doc/TODO, doc/TASKLIST: Updated.

	* doc/lsh.texinfo (Top): Added GNU reference.

	* Makefile.am.in (EXTRA_DIST): Added ANNOUNCE file.

	* configure.in: Bumped version to 0.9.

	* src/zlib.c (do_free_zstream): Only output message about problems
	when freeing the z stream when in debug mode.

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	* src/zlib.c (do_zlib): Z_BUF_ERROR is normal.

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	* src/unpad.c (do_unpad): Use SSH_MAX_PACKET_FUZZ, as inflating
	happens after unpadding.

	* src/connection.c (handle_connection): Check packet length.

	* configure.in: Bumped version to 0.2.9.

	* src/channel.c (make_channel_read_data): Take packet overhead
	into consideration.
	(make_channel_read_stderr): D:o.

	* src/read_data.c (do_read_data_query): Subtract some overhead
	from the max packet size.
	(make_read_data): Added overhead argument.

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	* acinclude.m4: New file.

	* src/io.c (do_listen_callback): Use socklen_t.
	(do_connect_callback): Use socklen_t.

	* doc/lsh.texinfo: Wrote secions on invoking lsh and lshd. 

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	* src/tcpforward_commands.c (forward_local_port): Use
	connection_remember. 

	* src/io.c (io_iter): Use a double loop around the close logic, to
	handle close-callbacks that close other files.
	Changed shorter debug() messages to use trace() instead.

	* src/connection_commands.c (connection_remember): New command. 

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	* configure.in: Bumped version to 0.2.8.

	* src/tcpforward.c: Adapted to new CHANNEL_REQUEST conventions.

	* src/server_session.c: Adapted to new CHANNEL_REQUEST
	conventions.  

	* src/proxy_session.c: Updated to Bazsi's latest version.

	* src/proxy.c: Updated to Bazsi's latest version.

	* src/lsh_proxy.c: Updated to Bazsi's latest version.

	* src/debug.c (packet_debug): Changed prefix atribute to type
	string.  

	* src/connection_commands.c (make_handshake_info): Added
	debug_comment argument.

	* src/connection.c (make_ssh_connection): New argument
	debug_comment. 

	* src/client_pty.c (do_pty_continuation): Removed old code for the
	(impossible) case x == NULL.

	* src/client.c: Adapted to new CHANNEL_REQUEST conventions. 

	* src/channel.h (ssh_channel): Added active_requests queue
	(Bazsi). 
	(global_request_callback): Deleted class (Bazsi).
	(global_request): Added type, continuation and exception_hnalder
	arguments do the GLOBAL_REQUEST method (Bazsi).
	(channel_request): Likewise.

	* src/channel.c (make_request_status): Renamed from
	make_global_request_status (Bazsi).
	(global_request_continuation): New class (Bazsi).
	(send_global_request_responses): New function (Bazsi).
	(do_global_request_response): Use send_global_request_responses(). 
	(global_request_exception_handler): New class (Bazsi).
	(make_global_request_exception_handler): New function (Bazsi).
	(do_global_request): Pass a continuation and an exception handler
	to the GLOBAL_REQUEST-method.
	(send_channel_request_responses): New function (Bazsi).
	(channel_request_continuation): New class (Bazsi).
	(channel_request_continuation): New class (Bazsi).
	(do_channel_request): Pass a continuation and an exception to the
	CHANNEL_REQUEST-method. 
	(init_channel): Initialize active_requests.

	* src/Makefile.am.in (liblsh_a_SOURCES): AAdded proxy_channel.c
	and proxy_tcpforward.c.

	* src/tcpforward_commands.c (new_tcpip_channel): Use
	format_channel_open(). 

	* src/proxy_session.c (do_proxy_open_channel): Use
	format_channel_open(). 

	* src/lsh-authorize: Tried to remove bash-isms. 

	* src/client.c (new_session): Use format_channel_open.

	* src/channel_commands.h (channel_open_command): Added
	local_channel_number argument to NEW_CHANNEL. 

	* src/channel_commands.c (do_channel_open_command): Call
	alloc_channel() and register_channel(), rather than delegating it
	to the NEW_CHANNEL method. Set the channel's exception handler
	properly. 

	* src/channel.c (use_channel): New function to take a channel in
	use. 
	(register_channel): New argument take_into_use.
	(lookup_channel_reserved): New function that returns channels that
	are marked as reserved, but not in use.
	(do_channel_open_continue): Call register_channel with
	take_in_use=1. 
	(do_channel_open_confirm): Use lookup_channel_reserved(). Call
	use_channel(). 
	(do_channel_open_failure): Use lookup_channel_reserved().
	(format_channel_open): Renamed from prepare_channel_open. Don't
	call alloc_channel() or register_channel().

	* src/channel.h (CHANNEL_FREE, CHANNEL_RESERVED, CHANNEL_IN_USE):
	New three-level classification for the in_use table.

	* src/channel.c (exc_finish_channel_handler): Use pointer to
	connection rather than to its channel table. 

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	* src/client.c (do_exit_status, do_exit_signal): Use the
	connection's exception handler for protocol errors.

	* src/channel.c (do_exc_finish_channel_handler): Raise
	EXC_FINISH_READ using the connection's exception handler.
	(make_exc_finish_channel_handler): Take a connection, rather than
	a channel_table, as argument.

	* src/io.c, src/io.h: Reorganized, and deleted all subclasses of
	lsh_fd.  
	(io_connect): Take a continuation as argument.
	(io_listen): Take an io_callback (typically of type
	io_listen_callback) as argument.
	(make_listen_callback): New function.

	* src/io_commands.c: Replaced io_fd with lsh_fd.

	* src/io_commands.h: Moved listen_value to io.h

	* src/tcpforward_commands.c (forward_local_port,
	tcpip_forward_hook): Catch EXC_CHANNEL_OPEN. 

	* src/proxy.c, src/server_session.c: Replaced io_fd with lsh_fd. 

	* src/read_data.c (make_read_data): Changed return type to
	io_callback. 

	* src/lshd.c: Replaced io_fd with lsh_fd.
	(main): Use make_report_exception_info().

	* src/lsh_types.h (STRSIGNAL): Use _sys_siglist on SGI.

	* src/lsh.h: Added forward declaration of listen_value.

	* src/exception.c (make_report_exception_info): New function. 

	* src/connection_commands.c: Replaced io_fd with lsh_fd.

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

	* src/command.c: New command catch_report.

	* src/client.c: Replaced io_fd with lsh_fd.

	* src/channel.c (do_channel_open_failure): Improved exception
	message. 
	(make_channel_read_data, make_channel_read_stderr): Changed return
	type to io_callback. 

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	* src/client.c (make_accept_service_handler): Use UINT32 for the
	service name.

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	* configure.in: Added check for inline.
	Bumped version to 0.2.7.

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	* src/testsuite/functions.sh, src/testsuite/lsh-1-test,
	src/testsuite/lsh-2-test, src/testsuite/lsh-3-test,
	src/testsuite/tcpip-local-test: Fixed bash-isms. 

	* src/argp/argp-fmtstream.c: Define the functions that are defined
	as extern inline in argp_fmtstream.h. Needed for compilers that
	don't have inline.

	* src/argp/argp-help.c (hol_entry_help): Don't use non-constant
	initializers (which is a GNUC extension). 

	* src/argp/argp-parse.c: Declare alloca properly.

	* src/tty.c, src/tty.h: Signedness fixes.

	* src/parse.c, src/parse.h: Signedness fixes.

	* src/keyexchange.c (kex_make_key): Signedness fix.

	* src/io_commands.c (do_connect_continue): Added a FIXME. 

	* src/client.c: Signedness fixes.

	* src/Makefile.am.in (liblsh_a_SOURCES): Removed password.c.

	* configure.in: Added check for inline.
	Bumped version to 0.2.7.

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	* configure.in: Fixed messages for --without-* flags.

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	* doc/lsh.texinfo: Added some more sections.

	* src/channel.c (channel_transmit_data,
	channel_transmit_extended): Shrink send_window_size
	(noted by Markus).

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	* src/testsuite/Makefile.am (TS_MORE_SH): Added tcpip-local-test.
	(EXTRA_DIST): Added new files.
	(check-some): Don't use $^, to avoid the VPATH feature.

	* src/tcpforward_commands.c (DIRECT_TCPIP_HANDLER): New define. 
	(INSTALL_DIRECT_TCPIP): New define.

	* src/tcpforward.c (lookup_forward): Use CAST_SUBTYPE.
	(do_tcpip_channel_die): Call close_fd() rather than kill_fd().
	(tcpip_channel_start_io): Don't call channel_start_receive().
	(make_exc_tcpip_connect_handler): New exception handler, which
	raises EXC_CHANNEL_OPEN on connect and dns errors.
	(do_open_forwarded_tcpip_continuation): Require that channel !=
	NULL.
	(make_open_forwarded_tcpip_continuation): Removed
	exception_handler argument.
	(do_channel_open_direct_tcpip): Use a better exception handler.
	(do_channel_open_forwarded_tcpip): -"-

	* src/lsh.c (do_lsh_default_handler): Handle EXC_CHANNEL_OPEN.

	* src/channel.c (make_exc_channel_open_handler): Added missing
	context argument.
	(do_window_adjust): Check for CHANNEL_SENT_EOF, so that we don't
	attempt to send data after EOF.

	* configure.in: Bumped version to 0.2.6.

	* src/testsuite/Makefile.am: Don't use automake's builtin
	testsuite-support. 

	* src/io.c (do_consuming_read): Don't die on EPIPE.

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	* src/channel.c (exc_finish_channel_handler): New attribute dead,
	to keep track of channels that have already been deallocated.
	Reported by Markus.

	* src/channel.c: Deleted some old commented-out definitions.

	* src/scm/gaba.scm (type->mark): Handle space-variables with an
	optional third argument just like pointer-variables with three
	arguments. I.e. use the third arg as the name of a field holding
	the current size of an array. Reported by Bazsi. For now, doesn't
	try to free array elements (which is ok as long as the arrays are
	used for objects subject to gc).

	* configure.in: Bumped version to 0.2.5.

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	* configure.in: Prefer guile if both guile and scsh are installed. 

	* src/channel.c (dealloc_channel): Fixed verbose message.

	* configure.in: Bumped version to 0.2.4.

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2000-01-18  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/zlib.c (RATE_MAX, RATE_MIN): Use rates between 1/16 and 16.
	(estimate_update): Fixed estimate. Also ignore small packets.
	(do_zlib): Fixed stop condition (noted by Markus Friedl).

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2000-01-13  Niels Möller  <nisse@cuckoo.localdomain>
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	* Makefile.am.in (EXTRA_DIST): Added distribution-key.gpg.

	* configure.in: Bumped version to 0.2.3.

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2000-01-12  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/tcpforward.c (do_channel_open_direct_tcpip): Added type
	argument (Bazsi).
	(do_channel_open_forwarded_tcpip): D:o.

	* src/server_userauth.c (do_handle_userauth): Call connection_lock().
	(do_userauth_continuation): Call connection_unlock().
	(do_exc_userauth_handler): D:o.
	(make_exc_userauth_handler): Made non-static (Bazsi).
	(do_userauth): Don't call make_once_continuation().

	* src/server_session.c (do_open_session): Added type argument
	(Bazsi). 

	* src/lshd.c: Added options --password, --no-password, --publickey
	and --no-publickey.

	* src/io.c (io_iter): Improved comment on POLLHUP behaviour.

	* src/connection.h (ssh_connection): Added busy attribute.

	* src/connection.c (handle_connection): Disconnect if connections
	is busy.
	(connection_lock): New function.
	(connection_unlock): New function.

	* src/channel.h (CHANNEL_OPEN): Added type argument (Bazsi).

	* src/channel.c: Change verbose messages to display remote channel
	numbers, as well local numbers where they are easily available.

	* src/lsh_proxy.c, src/proxy.c, src/proxy.h, src/proxy_session.c,
	src/proxy_session.h, src/proxy_userauth.c, src/proxy_userauth.h:
	Applied Bazsi's patches.

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2000-01-09  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/unpad.c (do_unpad): Check payload length.

	* src/connection.c (make_ssh_connection): Use
	SSH_MAX_PACKET_FUZZ. 

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

	* src/read_packet.c (do_read_packet): Added comment on the packet
	size limit.

	* src/lsh_types.h: Include alloca.h, where appropriate.

	* src/io.c (io_set_nonblocking): Leave other flags unmodified.
	(io_set_close_on_exec): The same, even though there are currently
	no other flag bits specified.

	* src/zlib.c (make_zlib_instance): Bug fix: Initialize instance
	variables max, rate and f.
	(do_zlib): Fixed call to string_buffer_final.

	* src/keyexchange.c (do_handle_kexinit): Added verbose messages
	listing selected algorithms.

	* src/zlib.c (make_zlib_instance): Initialize deflate/inflate
	pointer properly. (Reported by Keresztg).

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2000-01-08  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/io.c (io_set_nonblocking): Use fcntl(F_GETFL) to leave flags
	other than the O_NONBLOCK flag unmodified.

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2000-01-06  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/io.c (MY_POLLIN): poll kludge, use both POLLIN and
	POLLRDNORM. 

	* configure.in (LIBOBJS): Use correct path to the argp object
	files.

	* README: Document dependency on GU make. Recommend running
	configure with bash. Say that guile in the build environment is
	suppported.

	* src/channel.c (alloc_channel): Added verbose messages.
	(dealloc_channel): d:o.
	(register_channel): d:o.
	(do_channel_eof): d:o.
	(do_channel_close): d:o.
	(channel_close): d:o.
	(channel_eof): d:o.

	* doc/lsh.texinfo: Updated nodes and menus.

	* doc/Makefile.am.in (info_TEXINFOS): Added lsh-texinfo.

	* Makefile.am.in (EXTRA_DIST): Added ChangeLog.1.

	* configure.in: Bumped version to 0.2.1.

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1999-12-31  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/daemon.c: Include sys/time.h.

	* src/command.c (progn_command): Let (progn ()), i.e. an empty
	list of commands, result in the identity command.

	* configure.in: Deleted old versions of the utmp tests.
	Added test for socklen_t.
	List the individual argp object files in LIBOBJS.

	* src/lsh.c (do_lsh_default_handler): Fail on EXC_CHANNEL_REQUEST
	exceptions. 
	(main_argp_parser): Ignore EXC_CHANNEL_REQUEST exceptions when
	requesting a pty. 

	* src/command.c (do_catch_handler): Let !handler mean that the
	exception is to be ignored.

	* src/lshd.c: Added options --pty-support and --no-pty-support. 

	* configure.in: Bumped version to 000.2, for the obvious reason. 

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1999-12-29  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/spki.h: #include <time.h>, for definition of time_t.

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Sat Dec 25 18:18:45 1999  Niels Möller  <nisse@lysator.liu.se>
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	* configure.in: Quote fallback definition of M4.

	* acconfig.h: Use more standard #undef's for VERSION and PACKAGE. 

	* src/process_atoms (atom2define): Bug fix.

	* src/argp/argp-help.c (strndup): Bug fix.

	* src/process_atoms (atom2define): Workaround for seds that can't
	handle input without a final newline.

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1999-12-25  Niels Möller  <nisse@cuckoo.localdomain>
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	* src/argp/argp.h: Workaround for __restrict.

	* src/testsuite/keygen-test: Use $srcdir to find input file.

	* src/testsuite/keygen-test: New test script.

	* src/spki_commands.c (spki_read_hostkeys, spki_read_userkeys):
	Use sexp2keypair. Also deleted some old dead code.
	
	* src/spki.c (do_spki_sexp2signer): New function.
	(spki_sexp2signer_command): New command. 
	(spki_parse_private_key): Renamed to spki_sexp2keypair. 

	* src/lsh_writekey.c (make_writekey): Use sexp2signer, and pass
	algorithms alist as argument.

	* configure.in: Bumped version to 0.1.20.

	* src/werror.h: Include stdarg.h (moved from werror.c).

	* src/spki.c (do_spki_lookup): Fixed call to spki_make_verifier().