README
Allen Porter <allen@thebends.org>

Files here where compiled using the iphone-binutils toolchain.  They have been
tested mininally, and may contain bugs or may harm your computer.  Use at your
own risk.

Copy all of the binaries to /usr/bin/ and make them executable (chmod +x).  This
step is left as an exercise to the reader.  I already had dropbear installed
so that made this much easier.  I set up my new sshd to listen on a different
port, so I could run both versions and verify the new one worked before
disabling dropbear.

Make a directory where sshd will look for its configuration:
$ mkdir /etc/ssh/

Generate some new keys for yourself.  You could probably do this on your own
machine and copy over the keys, but I didn't try that.
$ /usr/bin/ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key -N ""
$ /usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ""
$ /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ""

Put the follwing in /etc/ssh/sshd_config.  Interesting stuff: 1) Use a
different port (Port command) if you're paranoid like me.  Its commented out
in the example below 2) I disabled DNS since I don't have reverse DNS in my
local LAN and it slows everything down while doing DNS lookups.  3) Use
privilege separation if you're really paranoid.
--------------------------------------
#Port 11022
Protocol 2
HostKey /etc/ssh/ssh_host_key
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
Subsystem sftp /usr/bin/sftp-server
UseDNS no
UsePrivilegeSeparation no
--------------------------------------

If you want to use pubkey stuff, remember to make sure that /var/root/ is not
writable, since sshd will refuse to use your keys.

Remember to change the password for the "root" and "mobile" account.

I ran it manually with debugging enabled to make sure there were no problems:
$ /usr/bin/sshd -D -d -f /etc/ssh/sshd_config

Once you have verified that it works, why not make it run on startup.  Create
your own plist file in /System/Library/LaunchDaemons:
--------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>Label</key>
        <string>org.thebends.openssh</string>
        <key>OnDemand</key>
        <false/>
        <key>ProgramArguments</key>
        <array>
                <string>/usr/bin/sshd</string>
                <string>-f</string>
                <string>/etc/ssh/sshd_config</string>
        </array>
</dict>
</plist>
--------------------------------------

I use this sshd to copy new applications that i'm developing to the iPhone.  It gets annowing to type your password over and over so using keys is recommended
(there are plenty of examples out there on how to set this up).

My iPhone also gets the same IP on my LAN every time, so I put this in the
~/.ssh/config file on my laptop where I do development:
--------------------------------------
Host 192.168.1.6
User root
Port 11022
--------------------------------------
This will make it so when you ssh 192.168.1.6 it will automatically use the
right port and username.  Less typing is good.  You may also want to put a
similar config on your iPhone to make you type less in MobileTerminal when
using it as an ssh client.