[Bug 1490] New: sshd -T reports a string of UNKNOWNs

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1490

           Summary: sshd -T reports a string of UNKNOWNs
    Classification: Unclassified
           Product: Portable OpenSSH
           Version: 5.1p1
          Platform: ix86
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P2
         Component: sshd
        AssignedTo: unassigned-bugs at mindrot.org
        ReportedBy: nix-corp at esperi.org.uk


Created an attachment (id=1548)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=1548)
My sshd config file

sshd 5.1p1's nifty new configure-dumping mode reports

port 22
protocol 2
addressfamily any
listenaddress 0.0.0.0:22
listenaddress [::]:22
serverkeybits 1024
logingracetime 600
keyregenerationinterval 3600
x11displayoffset 10
maxauthtries 6
clientaliveinterval 0
clientalivecountmax 3
permitrootlogin yes
ignorerhosts yes
ignoreuserknownhosts no
rhostsrsaauthentication no
hostbasedauthentication no
hostbasedusesnamefrompacketonly no
rsaauthentication yes
pubkeyauthentication yes
UNKNOWN no
UNKNOWN yes
UNKNOWN yes
UNKNOWN no
UNKNOWN no
UNKNOWN yes
passwordauthentication yes
kbdinteractiveauthentication no
challengeresponseauthentication no
printmotd yes
printlastlog yes
x11forwarding yes
x11uselocalhost yes
strictmodes yes
tcpkeepalive yes
permitemptypasswords no
permituserenvironment yes
uselogin no
compression delayed
gatewayports no
usedns yes
allowtcpforwarding yes
useprivilegeseparation yes
pidfile /var/run/sshd.pid
xauthlocation /usr/bin/xauth
authorizedkeysfile .ssh/authorized_keys
authorizedkeysfile2 .ssh/authorized_keys2
loglevel INFO
syslogfacility AUTH
hostkey /etc/openssh/ssh_host_key
hostkey /etc/openssh/ssh_host_rsa_key
hostkey /etc/openssh/ssh_host_dsa_key
acceptenv DISPLAY
acceptenv X_ORIGINATING_HOST
acceptenv LANG
acceptenv LC_*
subsystem sftp /usr/libexec/sftp-server
maxstartups 10:100:10
permittunnel no
permitopen

Bringing the UNKNOWNs into greater clarity with a few debugging
printf()s (the number is the opcode number, of course):

UNKNOWN opcode name(12) no
UNKNOWN opcode name(13) yes
UNKNOWN opcode name(14) yes
UNKNOWN opcode name(15) no
UNKNOWN opcode name(59) no
UNKNOWN opcode name(60) yes

Config attached: the only option that's there that the compiled OpenSSH
doesn't understand is UsePAM.

(In case it's interesting, this was compiled with GCC 4.3.1.)

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