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- Fix stack information leak in legacy certificate signing
(http://www.openssh.com/txt/legacy-cert.adv).
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- (djm) [openbsd-compat/port-linux.c] Check whether SELinux is enabled
before attempting setfscreatecon(). Check whether matchpathcon()
succeeded before using its result. Patch from cjwatson AT debian.org;
bz#1851
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20110125
- (djm) [configure.ac Makefile.in ssh.c openbsd-compat/port-linux.c
openbsd-compat/port-linux.h] Move SELinux-specific code from ssh.c to
port-linux.c to avoid compilation errors. Add -lselinux to ssh when
building with SELinux support to avoid linking failure; report from
amk AT spamfence.net; ok dtucker
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before attempting setfscreatecon(). Check whether matchpathcon()
succeeded before using its result. Patch from cjwatson AT debian.org;
bz#1851
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(LP: #708571).
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SELinux build fix.
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openbsd-compat/port-linux.h] Move SELinux-specific code from ssh.c to
port-linux.c to avoid compilation errors. Add -lselinux to ssh when
building with SELinux support to avoid linking failure; report from
amk AT spamfence.net; ok dtucker
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- Implement Elliptic Curve Cryptography modes for key exchange (ECDH)
and host/user keys (ECDSA) as specified by RFC5656. ECDH and ECDSA
offer better performance than plain DH and DSA at the same equivalent
symmetric key length, as well as much shorter keys.
- sftp(1)/sftp-server(8): add a protocol extension to support a hard
link operation. It is available through the "ln" command in the
client. The old "ln" behaviour of creating a symlink is available
using its "-s" option or through the preexisting "symlink" command.
- scp(1): Add a new -3 option to scp: Copies between two remote hosts
are transferred through the local host (closes: #508613).
- ssh(1): "atomically" create the listening mux socket by binding it on
a temporary name and then linking it into position after listen() has
succeeded. This allows the mux clients to determine that the server
socket is either ready or stale without races (closes: #454784).
Stale server sockets are now automatically removed (closes: #523250).
- ssh(1): install a SIGCHLD handler to reap expired child process
(closes: #594687).
- ssh(1)/ssh-agent(1): honour $TMPDIR for client xauth and ssh-agent
temporary directories (closes: #357469, although only if you arrange
for ssh-agent to actually see $TMPDIR since the setgid bit will cause
it to be stripped off).
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RSA_get_default_method() for the benefit of openssl versions that don't
have it (at least openssl-engine-0.9.6b). Found and tested by Kevin Brott,
ok djm@.
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the tinderbox.
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Linux OOM-killer magic values that changed in 2.6.36 kernels, with fallback
to the old values. Feedback from vapier at gentoo org and djm, ok djm.
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avoid some integer overflows mostly with GLOB_APPEND and GLOB_DOOFFS
and sanity check arguments (these will be unnecessary when we switch
struct glob members from being type into to size_t in the future);
"looks ok" tedu@ feedback guenther@
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[openbsd-compat/glob.c]
Extend GLOB_LIMIT to cover readdir and stat and bump the malloc limit
from ARG_MAX to 64K.
Fixes glob-using programs (notably ftp) able to be triggered to hit
resource limits.
Idea from a similar NetBSD change, original problem reported by jasper@.
ok millert tedu jasper
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debugging. Spotted by djm.
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shims for the new, non-deprecated OpenSSL key generation functions for
platforms that don't have the new interfaces.
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instead of (arc4random() % range)
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from vapier at gentoo org.
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support for platforms missing isblank(). ok djm@
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openbsd-compat/port-solaris.{c,h}] Bug #1824: Add Solaris Project support.
Patch from cory.erickson at csu mnscu edu with a bit of rework from me.
ok djm@
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1.12 to unbreak Solaris build.
ok djm@
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[cipher-3des1.c cipher-bf1.c cipher-ctr.c openbsd-compat/openssl-compat.h]
adapt to API changes in openssl-1.0.0a
NB. contains compat code to select correct API for older OpenSSL
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[sftp.c configure.ac openbsd-compat/glob.c openbsd-compat/glob.h]
make use of new glob(3) GLOB_KEEPSTAT extension to save extra server
rountrips to fetch per-file stat(2) information.
NB. update openbsd-compat/ glob(3) implementation from OpenBSD libc to
match.
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[misc.c misc.h configure.ac openbsd-compat/openbsd-compat.h]
[openbsd-compat/timingsafe_bcmp.c]
Add timingsafe_bcmp(3) to libc, mention that it's already in the
kernel in kern(9), and remove it from OpenSSH.
ok deraadt@, djm@
NB. re-added under openbsd-compat/ for portable OpenSSH
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return code since it can apparently return -1 under some conditions. From
openssh bugs werbittewas de, ok djm@
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- Added a ControlPersist option to ssh_config(5) 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 (closes: #335697,
#350898, #454787, #500573, #550262).
- Support AuthorizedKeysFile, AuthorizedPrincipalsFile,
HostbasedUsesNameFromPacketOnly, and PermitTunnel in sshd_config(5)
Match blocks (closes: #549858).
- sftp(1): fix ls in working directories that contain globbing
characters in their pathnames (LP: #530714).
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openbsd-compat/openbsd-compat.h openbsd-compat/strptime.c] Add strptime to
the compat library which helps on platforms like old IRIX. Based on work
by djm, tested by Tom Christensen.
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already set. Makes FreeBSD user openable tunnels useful; patch from
richard.burakowski+ossh AT mrburak.net, ok dtucker@
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key.h.
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libcrypto by defining OPENSSL_[DR]SA_MAX_MODULUS_BITS if they aren't
already. ok dtucker@
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- Unbreak sshd_config's AuthorizedKeysFile option for $HOME-relative
paths.
- Include a language tag when sending a protocol 2 disconnection
message.
- Make logging of certificates used for user authentication more clear
and consistent between CAs specified using TrustedUserCAKeys and
authorized_keys.
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installed, the host key is published in an SSHFP RR secured with DNSSEC,
and VerifyHostKeyDNS=yes, then ssh will no longer prompt for host key
verification (closes: #572049).
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- After a transition period of about 10 years, this release disables SSH
protocol 1 by default. Clients and servers that need to use the
legacy protocol must explicitly enable it in ssh_config / sshd_config
or on the command-line.
- Remove the libsectok/OpenSC-based smartcard code and add support for
PKCS#11 tokens. This support is enabled by default in the Debian
packaging, since it now doesn't involve additional library
dependencies (closes: #231472, LP: #16918).
- Add support for certificate authentication of users and hosts using a
new, minimal OpenSSH certificate format (closes: #482806).
- Added a 'netcat mode' to ssh(1): "ssh -W host:port ...".
- Add the ability to revoke keys in sshd(8) and ssh(1). (For the Debian
package, this overlaps with the key blacklisting facility added in
openssh 1:4.7p1-9, but with different file formats and slightly
different scopes; for the moment, I've roughly merged the two.)
- Various multiplexing improvements, including support for requesting
port-forwardings via the multiplex protocol (closes: #360151).
- Allow setting an explicit umask on the sftp-server(8) commandline to
override whatever default the user has (closes: #496843).
- Many sftp client improvements, including tab-completion, more options,
and recursive transfer support for get/put (LP: #33378). The old
mget/mput commands never worked properly and have been removed
(closes: #270399, #428082).
- Do not prompt for a passphrase if we fail to open a keyfile, and log
the reason why the open failed to debug (closes: #431538).
- Prevent sftp from crashing when given a "-" without a command. Also,
allow whitespace to follow a "-" (closes: #531561).
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for arc4random_buf() and arc4random_uniform(); from Josh Gilkerson
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adjust log at verbose only, since according to cjwatson in bug #1470
some virtualization platforms don't allow writes.
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variables copied into sshd child processes. From vinschen AT redhat.com
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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@.
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* Update to GSSAPI patch from
http://www.sxw.org.uk/computing/patches/openssh-5.3p1-gsskex-all-20100124.patch.
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variable warnings.
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