ssh-askpass on OSX 10.5

I’ve been playing with NetBeans 6.7M3 and the latest Mercurial plugin and found that I couldn’t push to a remote repository via ssh. All netbeans would return was:

Mercurial Push
INFO Pushing To: ssh:// ...
ERROR Command failed:
Command: [/usr/local/bin/hg, outgoing, -v, --template=rev:{rev}\nauth:{author}\ndesc:{desc}\ndate:{date|hgdate}\nid:{node|short}\n\nendCS:\n, --repository, /Users/peter/dev/gameaccount/maven/ga4Partner, ssh://]
Output: [running ssh “hg -R hg/ga4Partner serve --stdio”, remote: ssh_askpass: exec(/usr/libexec/ssh-askpass): No such file or directory, remote: Host key verification failed., abort: no suitable response from remote hg!]
INFO: End of Mercurial Push

Here the remote server is trying to prompt for the login password but fails because OSX 10.5 does not have the ssk-askpass command.

After some searching on the net (ok Google who else) I found Mercurial Push from IntelliJ where someone had a similar position with IntelliJ. By creating the following script mercurial in NB6.7M3 works flawlessly:

sabrina:~ peter$ sudo vi /usr/libexec/ssh-askpass
#! /bin/sh  
# An SSH_ASKPASS command for MacOS X  
# Author: Joseph Mocker, Sun Microsystems  
# To use this script:  
#     setenv SSH_ASKPASS "macos-askpass"  
#     setenv DISPLAY ":0"  
DIALOG="display dialog \"$@\" default answer \"\" with title \"$TITLE\""  
DIALOG="$DIALOG with icon caution with hidden answer"  
result=`osascript -e 'tell application "Finder"' -e "activate"  -e "$DIALOG" -e 'end tell'`  
if [ "$result" = "" ]; then  
    exit 1  
    echo "$result" | sed -e 's/^text returned://' -e 's/, button returned:.*$//'  
    exit 0  

sabrina:~ peter$ sudo chmod +x /usr/libexec/ssh-askpass

Connecting to both local lan and 3’s 3G Dongle on the Mac

A problem reported elsewhere on the net with 3’s 3G Broadband dongles is that while you are connected to the net it disconnects you from your local lan preventing you from accessing both. I presume its to prevent people from sharing the broadband without using their dedicated router which they sell to connect the dongle direct to the lan.

Anyhow the main problem for me is that when using a VPN with the dongle, the Mac could connect to the remote network fine, but Windows or Linux running inside VMWare could not as the dongle broke the network. This was causing me problems as I need to access MSSQL on the odd occasion.

Anyhow I’ve managed to figure out a way to allow the local lan to be connected at the same time with the dongle. In fact it’s so simple it’s stupid and I’m surprised no one has documented this anywhere else online – at least I never found it and various forums I’ve seen this question on don’t have this solution.

The trick is:

  1. Connect to the net
  2. Open System Preferences and click on Network
  3. You should see 3Connect in the Location dropdown – if not make sure it’s visible
  4. On the left you should see the list of interfaces (Ethernet, Bluetooth etc) all greyed out.
  5. Click on the + at the bottom left corner of that list and a popup appears.
  6. Select Ethernet in the Interface dropdown then press Create
  7. Now if you use DHCP like I do thats it – DHCP will kick in within a few seconds.
  8. If you don’t use DHCP then simply configure the new interface with a local static IP.

That’s it – nice and simple. Your milage may vary with this, but at least it worked for me.

Here’s the screenshot where you can see Ethernet 2 connected and the Dongle (disconnected when I took this screenshot):

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