[PROTOCOL.certkeys auth-options.c ssh-keygen.c]
Move the permit-* options to the non-critical "extensions" field for v01
certificates. The logic is that if another implementation fails to
implement them then the connection just loses features rather than fails
outright.
ok markus@
[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@
[channels.c channels.h mux.c ssh.c]
Pause the mux channel while waiting for reply from aynch callbacks.
Prevents misordering of replies if new requests arrive while waiting.
Extend channel open confirm callback to allow signalling failure
conditions as well as success. Use this to 1) fix a memory leak, 2)
start using the above pause mechanism and 3) delay sending a success/
failure message on mux slave session open until we receive a reply from
the server.
motivated by and with feedback from markus@
[auth-options.c auth-options.h auth.c auth.h auth2-pubkey.c]
[key.c servconf.c servconf.h sshd.8 sshd_config.5]
add some optional indirection to matching of principal names listed
in certificates. Currently, a certificate must include the a user's name
to be accepted for authentication. This change adds the ability to
specify a list of certificate principal names that are acceptable.
When authenticating using a CA trusted through ~/.ssh/authorized_keys,
this adds a new principals="name1[,name2,...]" key option.
For CAs listed through sshd_config's TrustedCAKeys option, a new config
option "AuthorizedPrincipalsFile" specifies a per-user file containing
the list of acceptable names.
If either option is absent, the current behaviour of requiring the
username to appear in principals continues to apply.
These options are useful for role accounts, disjoint account namespaces
and "user@realm"-style naming policies in certificates.
feedback and ok markus@
[sshconnect2.c]
bz#1502: authctxt.success is declared as an int, but passed by
reference to function that accepts sig_atomic_t*. Convert it to
the latter; ok markus@ dtucker@
[session.c]
set stderr to /dev/null for subsystems rather than just closing it.
avoids hangs if a subsystem or shell initialisation writes to stderr.
bz#1750; ok markus@
[mux.c]
set "detach_close" flag when registering channel cleanup callbacks.
This causes the channel to close normally when its fds close and
hangs when terminating a mux slave using ~. bz#1758; ok markus@
- djm@cvs.openbsd.org 2010/04/23 01:47:41
[ssh-keygen.c]
bz#1740: display a more helpful error message when $HOME is
inaccessible while trying to create .ssh directory. Based on patch
from jchadima AT redhat.com; ok dtucker@
- djm@cvs.openbsd.org 2010/04/16 01:58:45
[regress/cert-hostkey.sh regress/cert-userkey.sh]
regression tests for v01 certificate format
includes interop tests for v00 certs
[PROTOCOL.certkeys auth-options.c auth-options.h auth-rsa.c]
[auth2-pubkey.c authfd.c key.c key.h myproposal.h ssh-add.c]
[ssh-agent.c ssh-dss.c ssh-keygen.1 ssh-keygen.c ssh-rsa.c]
[sshconnect.c sshconnect2.c sshd.c]
revised certificate format ssh-{dss,rsa}-cert-v01@openssh.com with the
following changes:
move the nonce field to the beginning of the certificate where it can
better protect against chosen-prefix attacks on the signature hash
Rename "constraints" field to "critical options"
Add a new non-critical "extensions" field
Add a serial number
The older format is still support for authentication and cert generation
(use "ssh-keygen -t v00 -s ca_key ..." to generate a v00 certificate)
ok markus@
[ssh-pkcs11.c]
retry lookup for private key if there's no matching key with CKA_SIGN
attribute enabled; this fixes fixes MuscleCard support (bugzilla #1736)
ok djm@
[sshconnect2.c]
show the key type that we are offering in debug(), helps distinguish
between certs and plain keys as the path to the private key is usually
the same.
[clientloop.c]
bz#1698: kill channel when pty allocation requests fail. Fixed
stuck client if the server refuses pty allocation.
ok dtucker@ "think so" markus@
- djm@cvs.openbsd.org 2010/03/26 03:13:17
[bufaux.c]
allow buffer_get_int_ret/buffer_get_int64_ret to take a NULL pointer
argument to allow skipping past values in a buffer
[ssh_config.5]
Reformat default value of PreferredAuthentications entry (current
formatting implies ", " is acceptable as a separator, which it's not.
ok djm@
Damien Miller
Darren Tucker