case from that matched in the system password database. On this
platform, passwords are stored case-insensitively, but sshd requires
exact case matching for Match blocks in sshd_config(5). Based on
a patch from vinschen AT redhat.com.
- djm@cvs.openbsd.org 2010/02/26 20:29:54
[PROTOCOL PROTOCOL.agent PROTOCOL.certkeys addrmatch.c auth-options.c]
[auth-options.h auth.h auth2-pubkey.c authfd.c dns.c dns.h hostfile.c]
[hostfile.h kex.h kexdhs.c kexgexs.c key.c key.h match.h monitor.c]
[myproposal.h servconf.c servconf.h ssh-add.c ssh-agent.c ssh-dss.c]
[ssh-keygen.1 ssh-keygen.c ssh-rsa.c ssh.1 ssh.c ssh2.h sshconnect.c]
[sshconnect2.c sshd.8 sshd.c sshd_config.5]
Add support for certificate key types for users and hosts.
OpenSSH certificate key types are not X.509 certificates, but a much
simpler format that encodes a public key, identity information and
some validity constraints and signs it with a CA key. CA keys are
regular SSH keys. This certificate style avoids the attack surface
of X.509 certificates and is very easy to deploy.
Certified host keys allow automatic acceptance of new host keys
when a CA certificate is marked as sh/known_hosts.
see VERIFYING HOST KEYS in ssh(1) for details.
Certified user keys allow authentication of users when the signing
CA key is marked as trusted in authorized_keys. See "AUTHORIZED_KEYS
FILE FORMAT" in sshd(8) for details.
Certificates are minted using ssh-keygen(1), documentation is in
the "CERTIFICATES" section of that manpage.
Documentation on the format of certificates is in the file
PROTOCOL.certkeys
feedback and ok markus@
[regress/test-exec.sh]
wait for sshd to fully stop in cleanup() function; avoids races in tests
that do multiple start_sshd/cleanup cycles; "I hate pidfiles" deraadt@
[regress/Makefile]
turn on all the malloc(3) checking options when running regression
tests. this has caught a few bugs for me in the past; ok dtucker@
[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
`
[bufaux.c]
make buffer_get_string_ret() really non-fatal in all cases (it was
using buffer_get_int(), which could fatal() on buffer empty);
ok markus dtucker
[channels.c]
fake local addr:port when stdio fowarding as some servers (Tectia at
least) validate that they are well-formed;
reported by imorgan AT nas.nasa.gov
ok dtucker
[mux.c]
don't mark channel as read failed if it is already closing; suppresses
harmless error messages when connecting to SSH.COM Tectia server
report by imorgan AT nas.nasa.gov
[clientloop.c]
downgrade an error() to a debug() - this particular case can be hit in
normal operation for certain sequences of mux slave vs session closure
and is harmless
after registering the hardware engines, which causes the openssl.cnf file to
be processed. See OpenSSL's man page for OPENSSL_config(3) for details.
Patch from Solomon Peachy, ok djm@.
[mux.c]
fix bug introduced in mux rewrite:
In a mux master, when a socket to a mux slave closes before its server
session (as may occur when the slave has been signalled), gracefully
close the server session rather than deleting its channel immediately.
A server may have more messages on that channel to send (e.g. an exit
message) that will fatal() the client if they are sent to a channel that
has been prematurely deleted.
spotted by imorgan AT nas.nasa.gov
[channels.c channels.h clientloop.c clientloop.h mux.c nchan.c ssh.c]
rewrite ssh(1) multiplexing code to a more sensible protocol.
The new multiplexing code uses channels for the listener and
accepted control sockets to make the mux master non-blocking, so
no stalls when processing messages from a slave.
avoid use of fatal() in mux master protocol parsing so an errant slave
process cannot take down a running master.
implement requesting of port-forwards over multiplexed sessions. Any
port forwards requested by the slave are added to those the master has
established.
add support for stdio forwarding ("ssh -W host:port ...") in mux slaves.
document master/slave mux protocol so that other tools can use it to
control a running ssh(1). Note: there are no guarantees that this
protocol won't be incompatibly changed (though it is versioned).
feedback Salvador Fandino, dtucker@
channel changes ok markus@
[sftp.c]
Reset SIGTERM to SIG_DFL before executing ssh, so that even if sftp
inherited SIGTERM as ignored it will still be able to kill the ssh it
starts.
ok dtucker@
[auth.c]
when using ChrootDirectory, make sure we test for the existence of the
user's shell inside the chroot; bz #1679, patch from alex AT rtfs.hu;
ok dtucker
[sftp.1 sftp.c]
sftp.1: put ls -h in the right place
sftp.c: as above, plus add -p to get/put, and shorten their arg names
to keep the help usage nicely aligned
ok djm
[sftp.c]
don't append a space after inserting a completion of a directory (i.e.
a path ending in '/') for a slightly better user experience; ok dtucker@
[servconf.c servconf.h sshd.c]
avoid run-time failures when specifying hostkeys via a relative
path by prepending the cwd in these cases; bz#1290; ok dtucker@
[monitor_fdpass.c]
avoid spinning when fd passing on nonblocking sockets by calling poll()
in the EINTR/EAGAIN path, much like we do in atomicio; ok dtucker@
[authfile.c sshconnect2.c]
Do not prompt for a passphrase if we fail to open a keyfile, and log the
reason the open failed to debug.
bz #1693, found by tj AT castaglia org, ok djm@
Damien Miller
Tim Rice
Darren Tucker