I've seen other posts about sshd upgrade problems so I thought I'd post my own experience in getting things working. In the end I had to change /usr/bin/ssh-host-config slightly so I wanted to share what I found. I only needed to do this on one Windows XP laptop, but not on other Windows 2000 or Windows XP machines that I have using sshd on a daily basis.
My old Windows XP laptop has been running sshd from cygwin for I'm guessing around 2 years, but had not been been update via setup.exe for at least several months if not most of a year. I recently wanted to run tetex so I added that package, with the side effect of upgrading just about everything else in my world, including the main cygwin package, bash, etc. After the download and install phases, a number of post install scripts had serious errors about missing entry points in a dll, I'm assuming because of the new cygwin1.dll. I shuddered, but I've had these before so I pressed on. After rebooting to finishing installation for files that were in use, sshd failed to start with a missing cygcrypt-0.dll, which I was notified about via a windows alert box. The file did exist in /usr/bin and setup said the package was installed, but the scary entry point problem caused me simply try to reinstall all from setup.exe. Even after this sshd still failed to start with the same error. I remember vaguely a while back that cygrunsrv options needed to change for sshd. So I actually had tried the strategy Brian Dessent recommended in this post before I even saw his post this evening: Brian Dessent writes Re: sshd crahes; ssh instal fails http://www.cygwin.com/ml/cygwin/2005-12/msg00193.html If you cannot figure out from the above what the problem is, I suggest you remove all traces of the sshd service and re-run ssh-host-config. To do this: $ cygrunsrv --remove sshd $ rm -rf /etc/{ssh_host_*,sshd_config} /var/{empty,run/sshd*,log/sshd*} $ ssh-host-config If you get any permission denied errors at the rm step you'll need to chown the files before deleting them. Brian However, that did not fix things, I still received the error about the missing cygcrypt-0.dll. I just found this related post which did address the problem: Thomas Hennemann solved: cygcrypt-0.dll not found http://www.cygwin.com/ml/cygwin/2005-12/msg00095.html Finally STFW I came across this advice: "Reinstalling sshd service in windows This one was a bit painful as I didn't want to mess with the pre-existing configuration of the key files. Installation required a small modification to the standard installation options. cygrunsrv --install sshd --path '/usr/sbin/sshd' --env 'PATH=/bin;/sbin' --env 'CYGWIN=ntsec tty' -a -D You need to use the cygwin --path item, otherwise the service won't start correctly (sshd needs to be executed with an absolute path). The env flags are there to allow the service to start, otherwise you end up with an annoying: cygcrypt-0.dll cannot be found error. The CYGWIN environment was there because otherwise it doesn't work correctly. the -D is for daemon mode." (Source: http://www.petesh.com/archives/2005/08/reinstalling_sshd_service_in_w.html) which solved the issue. So since the problem is solved I cannot provide more info like log data etc. If anyone has a good guess what actually might have went wrong, please come forward ;-) So I added the --env 'PATH=/bin;/sbin' to the cygrunsrv line in /usr/bin/ssh-host-config and now sshd is running again as a service on Windows XP. I have attached my cygcheck.out for reference if anyone is curious... -bri
cygcheck.out
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