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2014-02-04 - djm@cvs.openbsd.org 2014/01/29 06:18:35Damien Miller
[Makefile.in auth.h auth2-jpake.c auth2.c jpake.c jpake.h monitor.c] [monitor.h monitor_wrap.c monitor_wrap.h readconf.c readconf.h] [schnorr.c schnorr.h servconf.c servconf.h ssh2.h sshconnect2.c] remove experimental, never-enabled JPAKE code; ok markus@
2013-10-17 - djm@cvs.openbsd.org 2013/10/16 22:49:39Damien Miller
[readconf.c readconf.h ssh.1 ssh.c ssh_config.5] s/canonicalise/canonicalize/ for consistency with existing spelling, e.g. authorized_keys; pointed out by naddy@
2013-10-17 - djm@cvs.openbsd.org 2013/10/16 02:31:47Damien Miller
[readconf.c readconf.h roaming_client.c ssh.1 ssh.c ssh_config.5] [sshconnect.c sshconnect.h] Implement client-side hostname canonicalisation to allow an explicit search path of domain suffixes to use to convert unqualified host names to fully-qualified ones for host key matching. This is particularly useful for host certificates, which would otherwise need to list unqualified names alongside fully-qualified ones (and this causes a number of problems). "looks fine" markus@
2013-10-15 - djm@cvs.openbsd.org 2013/10/14 22:22:05Damien Miller
[readconf.c readconf.h ssh-keysign.c ssh.c ssh_config.5] add a "Match" keyword to ssh_config that allows matching on hostname, user and result of arbitrary commands. "nice work" markus@
2013-08-21 - djm@cvs.openbsd.org 2013/08/20 00:11:38Damien Miller
[readconf.c readconf.h ssh_config.5 sshconnect.c] Add a ssh_config ProxyUseFDPass option that supports the use of ProxyCommands that establish a connection and then pass a connected file descriptor back to ssh(1). This allows the ProxyCommand to exit rather than have to shuffle data back and forth and enables ssh to use getpeername, etc. to obtain address information just like it does with regular directly-connected sockets. ok markus@
2013-05-16 - djm@cvs.openbsd.org 2013/05/16 04:27:50Darren Tucker
[ssh_config.5 readconf.h readconf.c] add the ability to ignore specific unrecognised ssh_config options; bz#866; ok markus@
2013-05-16 - dtucker@cvs.openbsd.org 2013/05/16 02:00:34Darren Tucker
[ssh_config sshconnect2.c packet.c readconf.h readconf.c clientloop.c ssh_config.5 packet.h] Add an optional second argument to RekeyLimit in the client to allow rekeying based on elapsed time in addition to amount of traffic. with djm@ jmc@, ok djm
2013-04-05 - dtucker@cvs.openbsd.org 2013/02/22 04:45:09Darren Tucker
[ssh.c readconf.c readconf.h] Don't complain if IdentityFiles specified in system-wide configs are missing. ok djm, deraadt
2013-04-05 - dtucker@cvs.openbsd.org 2013/02/17 23:16:57Darren Tucker
[readconf.c ssh.c readconf.h sshconnect2.c] Keep track of which IndentityFile options were manually supplied and which were default options, and don't warn if the latter are missing. ok markus@
2011-10-02 - markus@cvs.openbsd.org 2011/09/23 07:45:05Darren Tucker
[mux.c readconf.h channels.h compat.h compat.c ssh.c readconf.c channels.c version.h] unbreak remote portforwarding with dynamic allocated listen ports: 1) send the actual listen port in the open message (instead of 0). this allows multiple forwardings with a dynamic listen port 2) update the matching permit-open entry, so we can identify where to connect to report: den at skbkontur.ru and P. Szczygielski feedback and ok djm@
2011-05-29 - djm@cvs.openbsd.org 2011/05/24 07:15:47Damien Miller
[readconf.c readconf.h ssh.c ssh_config.5 sshconnect.c sshconnect2.c] Remove undocumented legacy options UserKnownHostsFile2 and GlobalKnownHostsFile2 by making UserKnownHostsFile/GlobalKnownHostsFile accept multiple paths per line and making their defaults include known_hosts2; ok markus
2011-05-15 - djm@cvs.openbsd.org 2011/05/06 21:34:32Damien Miller
[clientloop.c mux.c readconf.c readconf.h ssh.c ssh_config.5] Add a RequestTTY ssh_config option to allow configuration-based control over tty allocation (like -t/-T); ok markus@
2010-11-20 - djm@cvs.openbsd.org 2010/11/13 23:27:51Damien Miller
[clientloop.c misc.c misc.h packet.c packet.h readconf.c readconf.h] [servconf.c servconf.h session.c ssh.c ssh_config.5 sshd_config.5] allow ssh and sshd to set arbitrary TOS/DSCP/QoS values instead of hardcoding lowdelay/throughput. bz#1733 patch from philipp AT redfish-solutions.com; ok markus@ deraadt@
2010-09-24 - djm@cvs.openbsd.org 2010/09/22 05:01:30Damien Miller
[kex.c kex.h kexecdh.c kexecdhc.c kexecdhs.c readconf.c readconf.h] [servconf.c servconf.h ssh_config.5 sshconnect2.c sshd.c sshd_config.5] add a KexAlgorithms knob to the client and server configuration to allow selection of which key exchange methods are used by ssh(1) and sshd(8) and their order of preference. ok markus@
2010-08-03 - djm@cvs.openbsd.org 2010/07/19 09:15:12Damien Miller
[clientloop.c readconf.c readconf.h ssh.c ssh_config.5] add a "ControlPersist" option that automatically starts a background ssh(1) multiplex master when connecting. This connection can stay alive indefinitely, or can be set to automatically close after a user-specified duration of inactivity. bz#1330 - patch by dwmw2 AT infradead.org, but further hacked on by wmertens AT cisco.com, apb AT cequrux.com, martin-mindrot-bugzilla AT earth.li and myself; "looks ok" markus@
2010-06-26 - djm@cvs.openbsd.org 2010/06/25 23:10:30Damien Miller
[ssh.c] log the hostname and address that we connected to at LogLevel=verbose after authentication is successful to mitigate "phishing" attacks by servers with trusted keys that accept authentication silently and automatically before presenting fake password/passphrase prompts; "nice!" markus@
2010-06-26 - djm@cvs.openbsd.org 2010/06/25 07:14:46Damien Miller
[channels.c mux.c readconf.c readconf.h ssh.h] bz#1327: remove hardcoded limit of 100 permitopen clauses and port forwards per direction; ok markus@ stevesk@
2010-05-21 - markus@cvs.openbsd.org 2010/05/16 12:55:51Damien Miller
[PROTOCOL.mux clientloop.h mux.c readconf.c readconf.h ssh.1 ssh.c] mux support for remote forwarding with dynamic port allocation, use with LPORT=`ssh -S muxsocket -R0:localhost:25 -O forward somehost` feedback and ok djm@
2010-02-12 - markus@cvs.openbsd.org 2010/02/08 10:50:20Damien Miller
[pathnames.h readconf.c readconf.h scp.1 sftp.1 ssh-add.1 ssh-add.c] [ssh-agent.c ssh-keygen.1 ssh-keygen.c ssh.1 ssh.c ssh_config.5] replace our obsolete smartcard code with PKCS#11. ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-11/v2-20/pkcs-11v2-20.pdf ssh(1) and ssh-keygen(1) use dlopen(3) directly to talk to a PKCS#11 provider (shared library) while ssh-agent(1) delegates PKCS#11 to a forked a ssh-pkcs11-helper process. PKCS#11 is currently a compile time option. feedback and ok djm@; inspired by patches from Alon Bar-Lev `
2010-01-10 - dtucker@cvs.openbsd.org 2010/01/09 23:04:13Darren Tucker
[channels.c ssh.1 servconf.c sshd_config.5 sshd.c channels.h servconf.h ssh-keyscan.1 ssh-keyscan.c readconf.c sshconnect.c misc.c ssh.c readconf.h scp.1 sftp.1 ssh_config.5 misc.h] Remove RoutingDomain from ssh since it's now not needed. It can be replaced with "route exec" or "nc -V" as a proxycommand. "route exec" also ensures that trafic such as DNS lookups stays withing the specified routingdomain. For example (from reyk): # route -T 2 exec /usr/sbin/sshd or inherited from the parent process $ route -T 2 exec sh $ ssh 10.1.2.3 ok deraadt@ markus@ stevesk@ reyk@
2010-01-08 - reyk@cvs.openbsd.org 2009/10/28 16:38:18Darren Tucker
[ssh_config.5 sshd.c misc.h ssh-keyscan.1 readconf.h sshconnect.c channels.c channels.h servconf.h servconf.c ssh.1 ssh-keyscan.c scp.1 sftp.1 sshd_config.5 readconf.c ssh.c misc.c] Allow to set the rdomain in ssh/sftp/scp/sshd and ssh-keyscan. ok markus@
2009-07-06 - andreas@cvs.openbsd.org 2009/06/27 09:35:06Darren Tucker
[readconf.h readconf.c] Add client option UseRoaming. It doesn't do anything yet but will control whether the client tries to use roaming if enabled on the server. From Martin Forssen. ok markus@
2009-02-14 - djm@cvs.openbsd.org 2009/02/12 03:00:56Damien Miller
[canohost.c canohost.h channels.c channels.h clientloop.c readconf.c] [readconf.h serverloop.c ssh.c] support remote port forwarding with a zero listen port (-R0:...) to dyamically allocate a listen port at runtime (this is actually specified in rfc4254); bz#1003 ok markus@
2009-01-28 - djm@cvs.openbsd.org 2009/01/22 10:02:34Damien Miller
[clientloop.c misc.c readconf.c readconf.h servconf.c servconf.h] [serverloop.c ssh-keyscan.c ssh.c sshd.c] make a2port() return -1 when it encounters an invalid port number rather than 0, which it will now treat as valid (needed for future work) adjust current consumers of a2port() to check its return value is <= 0, which in turn required some things to be converted from u_short => int make use of int vs. u_short consistent in some other places too feedback & ok markus@
2008-11-05 - djm@cvs.openbsd.org 2008/11/04 08:22:13Damien Miller
[auth.h auth2.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h] [readconf.c readconf.h servconf.c servconf.h ssh2.h ssh_config.5] [sshconnect2.c sshd_config.5 jpake.c jpake.h schnorr.c auth2-jpake.c] [Makefile.in] Add support for an experimental zero-knowledge password authentication method using the J-PAKE protocol described in F. Hao, P. Ryan, "Password Authenticated Key Exchange by Juggling", 16th Workshop on Security Protocols, Cambridge, April 2008. This method allows password-based authentication without exposing the password to the server. Instead, the client and server exchange cryptographic proofs to demonstrate of knowledge of the password while revealing nothing useful to an attacker or compromised endpoint. This is experimental, work-in-progress code and is presently compiled-time disabled (turn on -DJPAKE in Makefile.inc). "just commit it. It isn't too intrusive." deraadt@
2008-11-03 - stevesk@cvs.openbsd.org 2008/11/01 17:40:33Damien Miller
[clientloop.c readconf.c readconf.h ssh.c] merge dynamic forward parsing into parse_forward(); 'i think this is OK' djm@
2008-06-30 - grunk@cvs.openbsd.org 2008/06/26 11:46:31Damien Miller
[readconf.c readconf.h ssh.1 ssh_config.5 sshconnect.c] Move SSH Fingerprint Visualization away from sharing the config option CheckHostIP to an own config option named VisualHostKey. While there, fix the behaviour that ssh would draw a random art picture on every newly seen host even when the option was not enabled. prodded by deraadt@, discussions, help and ok markus@ djm@ dtucker@
2008-06-13 - grunk@cvs.openbsd.org 2008/06/11 21:01:35Darren Tucker
[ssh_config.5 key.h readconf.c readconf.h ssh-keygen.1 ssh-keygen.c key.c sshconnect.c] Introduce SSH Fingerprint ASCII Visualization, a technique inspired by the graphical hash visualization schemes known as "random art", and by Dan Kaminsky's musings on the subject during a BlackOp talk at the 23C3 in Berlin. Scientific publication (original paper): "Hash Visualization: a New Technique to improve Real-World Security", Perrig A. and Song D., 1999, International Workshop on Cryptographic Techniques and E-Commerce (CrypTEC '99) http://sparrow.ece.cmu.edu/~adrian/projects/validation/validation.pdf The algorithm used here is a worm crawling over a discrete plane, leaving a trace (augmenting the field) everywhere it goes. Movement is taken from dgst_raw 2bit-wise. Bumping into walls makes the respective movement vector be ignored for this turn, thus switching to the other color of the chessboard. Graphs are not unambiguous for now, because circles in graphs can be walked in either direction. discussions with several people, help, corrections and ok markus@ djm@
2008-02-10 - djm@cvs.openbsd.org 2008/01/19 23:09:49Damien Miller
[readconf.c readconf.h sshconnect2.c] promote rekeylimit to a int64 so it can hold the maximum useful limit of 2^32; report and patch from Jan.Pechanec AT Sun.COM, ok dtucker@
2006-08-05 - deraadt@cvs.openbsd.org 2006/08/03 03:34:42Damien Miller
[OVERVIEW atomicio.c atomicio.h auth-bsdauth.c auth-chall.c auth-krb5.c] [auth-options.c auth-options.h auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth-skey.c auth.c auth.h auth1.c auth2-chall.c auth2-gss.c] [auth2-hostbased.c auth2-kbdint.c auth2-none.c auth2-passwd.c ] [auth2-pubkey.c auth2.c authfd.c authfd.h authfile.c bufaux.c bufbn.c] [buffer.c buffer.h canohost.c channels.c channels.h cipher-3des1.c] [cipher-bf1.c cipher-ctr.c cipher.c cleanup.c clientloop.c compat.c] [compress.c deattack.c dh.c dispatch.c dns.c dns.h fatal.c groupaccess.c] [groupaccess.h gss-genr.c gss-serv-krb5.c gss-serv.c hostfile.c kex.c] [kex.h kexdh.c kexdhc.c kexdhs.c kexgex.c kexgexc.c kexgexs.c key.c] [key.h log.c log.h mac.c match.c md-sha256.c misc.c misc.h moduli.c] [monitor.c monitor_fdpass.c monitor_mm.c monitor_mm.h monitor_wrap.c] [monitor_wrap.h msg.c nchan.c packet.c progressmeter.c readconf.c] [readconf.h readpass.c rsa.c scard.c scard.h scp.c servconf.c servconf.h] [serverloop.c session.c session.h sftp-client.c sftp-common.c] [sftp-common.h sftp-glob.c sftp-server.c sftp.c ssh-add.c ssh-agent.c] [ssh-dss.c ssh-gss.h ssh-keygen.c ssh-keyscan.c ssh-keysign.c ssh-rsa.c] [ssh.c ssh.h sshconnect.c sshconnect.h sshconnect1.c sshconnect2.c] [sshd.c sshlogin.c sshlogin.h sshpty.c sshpty.h sshtty.c ttymodes.c] [uidswap.c uidswap.h uuencode.c uuencode.h xmalloc.c xmalloc.h] [loginrec.c loginrec.h openbsd-compat/port-aix.c openbsd-compat/port-tun.h] almost entirely get rid of the culture of ".h files that include .h files" ok djm, sort of ok stevesk makes the pain stop in one easy step NB. portable commit contains everything *except* removing includes.h, as that will take a fair bit more work as we move headers that are required for portability workarounds to defines.h. (also, this step wasn't "easy")
2006-07-12 - markus@cvs.openbsd.org 2006/07/11 18:50:48Darren Tucker
[clientloop.c ssh.1 ssh.c channels.c ssh_config.5 readconf.h session.c channels.h readconf.c] add ExitOnForwardFailure: terminate the connection if ssh(1) cannot set up all requested dynamic, local, and remote port forwardings. ok djm, dtucker, stevesk, jmc
2006-03-26 - djm@cvs.openbsd.org 2006/03/25 22:22:43Damien Miller
[atomicio.h auth-options.h auth.h auth2-gss.c authfd.h authfile.h] [bufaux.h buffer.h canohost.h channels.h cipher.h clientloop.h] [compat.h compress.h crc32.c crc32.h deattack.h dh.h dispatch.h] [dns.c dns.h getput.h groupaccess.h gss-genr.c gss-serv-krb5.c] [gss-serv.c hostfile.h includes.h kex.h key.h log.h mac.h match.h] [misc.h monitor.h monitor_fdpass.h monitor_mm.h monitor_wrap.h msg.h] [myproposal.h packet.h pathnames.h progressmeter.h readconf.h rsa.h] [scard.h servconf.h serverloop.h session.h sftp-common.h sftp.h] [ssh-gss.h ssh.h ssh1.h ssh2.h sshconnect.h sshlogin.h sshpty.h] [ttymodes.h uidswap.h uuencode.h xmalloc.h] standardise spacing in $OpenBSD$ tags; requested by deraadt@
2005-12-13 - reyk@cvs.openbsd.org 2005/12/06 22:38:28Damien Miller
[auth-options.c auth-options.h channels.c channels.h clientloop.c] [misc.c misc.h readconf.c readconf.h scp.c servconf.c servconf.h] [serverloop.c sftp.c ssh.1 ssh.c ssh_config ssh_config.5 sshconnect.c] [sshconnect.h sshd.8 sshd_config sshd_config.5] Add support for tun(4) forwarding over OpenSSH, based on an idea and initial channel code bits by markus@. This is a simple and easy way to use OpenSSH for ad hoc virtual private network connections, e.g. administrative tunnels or secure wireless access. It's based on a new ssh channel and works similar to the existing TCP forwarding support, except that it depends on the tun(4) network interface on both ends of the connection for layer 2 or layer 3 tunneling. This diff also adds support for LocalCommand in the ssh(1) client. ok djm@, markus@, jmc@ (manpages), tested and discussed with others
2005-06-16 - djm@cvs.openbsd.org 2005/06/08 11:25:09Damien Miller
[clientloop.c readconf.c readconf.h ssh.c ssh_config.5] add ControlMaster=auto/autoask options to support opportunistic multiplexing; tested avsm@ and jakob@, ok markus@
2005-03-01 - djm@cvs.openbsd.org 2005/03/01 10:40:27Damien Miller
[hostfile.c hostfile.h readconf.c readconf.h ssh.1 ssh_config.5] [sshconnect.c sshd.8] add support for hashing host names and addresses added to known_hosts files, to improve privacy of which hosts user have been visiting; ok markus@ deraadt@
2005-03-01 - djm@cvs.openbsd.org 2005/03/01 10:09:52Damien Miller
[auth-options.c channels.c channels.h clientloop.c compat.c compat.h] [misc.c misc.h readconf.c readconf.h servconf.c ssh.1 ssh.c ssh_config.5] [sshd_config.5] bz#413: allow optional specification of bind address for port forwardings. Patch originally by Dan Astorian, but worked on by several people Adds GatewayPorts=clientspecified option on server to allow remote forwards to bind to client-specified ports.
2004-07-17 - deraadt@cvs.openbsd.org 2004/07/11 17:48:47Darren Tucker
[channels.c cipher.c clientloop.c clientloop.h compat.h moduli.c readconf.c nchan.c pathnames.h progressmeter.c readconf.h servconf.c session.c sftp-client.c sftp.c ssh-agent.1 ssh-keygen.c ssh.c ssh1.h sshd.c ttymodes.h] spaces
2004-06-15 - djm@cvs.openbsd.org 2004/06/13 15:03:02Damien Miller
[channels.c channels.h clientloop.c clientloop.h includes.h readconf.c] [readconf.h scp.1 sftp.1 ssh.1 ssh.c ssh_config.5] implement session multiplexing in the client (the server has supported this since 2.0); ok markus@
2004-05-02 - djm@cvs.openbsd.org 2004/04/27 09:46:37Darren Tucker
[readconf.c readconf.h servconf.c servconf.h session.c session.h ssh.c ssh_config.5 sshd_config.5] bz #815: implement ability to pass specified environment variables from the client to the server; ok markus@
2004-04-20 - djm@cvs.openbsd.org 2004/04/18 23:10:26Damien Miller
[readconf.c readconf.h ssh-keysign.c ssh.c] perform strict ownership and modes checks for ~/.ssh/config files, as these can be used to execute arbitrary programs; ok markus@ NB. ssh will now exit when it detects a config with poor permissions
2004-03-08 - markus@cvs.openbsd.org 2004/03/05 10:53:58Damien Miller
[readconf.c readconf.h scp.1 sftp.1 ssh.1 ssh_config.5 sshconnect2.c] add IdentitiesOnly; ok djm@, pb@
2003-12-17 - markus@cvs.openbsd.org 2003/12/16 15:49:51Damien Miller
[clientloop.c clientloop.h readconf.c readconf.h scp.1 sftp.1 ssh.1] [ssh.c ssh_config.5] application layer keep alive (ServerAliveInterval ServerAliveCountMax) for ssh(1), similar to the sshd(8) option; ok beck@; with help from jmc and dtucker@
2003-12-17 - markus@cvs.openbsd.org 2003/12/09 21:53:37Damien Miller
[readconf.c readconf.h scp.1 servconf.c servconf.h sftp.1 ssh.1] [ssh_config.5 sshconnect.c sshd.c sshd_config.5] rename keepalive to tcpkeepalive; the old name causes too much confusion; ok djm, dtucker; with help from jmc@
2003-11-21 - djm@cvs.openbsd.org 2003/11/21 11:57:03Damien Miller
[everything] unexpand and delete whitespace at EOL; ok markus@ (done locally and RCS IDs synced)
2003-10-15 - markus@cvs.openbsd.org 2003/10/11 08:24:08Darren Tucker
[readconf.c readconf.h ssh.1 ssh.c ssh_config.5] remote x11 clients are now untrusted by default, uses xauth(8) to generate untrusted cookies; ForwardX11Trusted=yes restores old behaviour. ok deraadt; feedback and ok djm/fries
2003-09-02 - markus@cvs.openbsd.org 2003/09/01 18:15:50Damien Miller
[readconf.c readconf.h servconf.c servconf.h ssh.c] remove unused kerberos code; ok henning@
2003-08-26 - markus@cvs.openbsd.org 2003/08/22 10:56:09Darren Tucker
[auth2.c auth2-gss.c auth.h compat.c compat.h gss-genr.c gss-serv-krb5.c gss-serv.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h readconf.c readconf.h servconf.c servconf.h session.c session.h ssh-gss.h ssh_config.5 sshconnect2.c sshd_config sshd_config.5] support GSS API user authentication; patches from Simon Wilkinson, stripped down and tested by Jakob and myself.
2003-08-13 - markus@cvs.openbsd.org 2003/08/13 08:46:31Darren Tucker
[auth1.c readconf.c readconf.h servconf.c servconf.h ssh.c ssh_config ssh_config.5 sshconnect1.c sshd.8 sshd.c sshd_config sshd_config.5] remove RhostsAuthentication; suggested by djm@ before; ok djm@, deraadt@, fgsch@, miod@, henning@, jakob@ and others
2003-08-02 - (dtucker) OpenBSD CVS SyncDarren Tucker
- markus@cvs.openbsd.org 2003/07/22 13:35:22 [auth1.c auth.h auth-passwd.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h readconf.c readconf.h servconf.c servconf.h session.c ssh.1 ssh.c ssh_config.5 sshconnect1.c sshd.c sshd_config.5 ssh.h] remove (already disabled) KRB4/AFS support, re-enable -k in ssh(1); test+ok henning@ - (dtucker) [Makefile.in acconfig.h configure.ac] Remove KRB4/AFS support. - (dtucker) [auth-krb4.c radix.c radix.h] Remove KRB4/AFS specific files. I hope I got this right....
2003-07-03 - djm@cvs.openbsd.org 2003/07/03 08:09:06Darren Tucker
[readconf.c readconf.h ssh-keysign.c ssh.c] fix AddressFamily option in config file, from brent@graveland.net; ok markus@