cygrunsrv is an EXCELLENT solution, thankyou.
So for those looking for a quick make-it-work, install pure-ftpd as a
service thus (from a bash you have started as "Run as Administrator") :
cygrunsrv --install pure-ftpd --path /usr/sbin/pure-ftpd --chdir /tmp
--args "-l puredb:/full-path-to/pure-ftpd/pureftpd.pdb"
and then
cygrunsrv --start pure-ftpd
This solves the seteuid() limitation, so now the one server will work with
anonymous (but still needs "ftp" as a Windows user) and any other user in the
puredb passwd file.
````
Matthew, re the Windows privileges you suggest, sadly and according to
Murphy's
law I did all this on my one and only Windows 10 Home Edition ... no
group policy
editor :-( I **could** try it on a Windows 10 Pro PC, or I could
regedit I suppose,
but hey cygrunsrv works so thankyou.
Perhaps an ancillary issue is the cryptic way in some code paths pure-ftpd
gives the error "Unable to set up secure anonymous FTP", sometimes with, but
sometimes without, a syslog... I needed to use gdb extensively to one by one
eliminate blockages and get anonymous to work.
Perhaps more importantly the recipe (cygrunsrv) would be great to have in
the man page of the Cygwin package, and certainly in the README.Windows
file of the source package. I'll cross-post this to pure-ftpd.org
Thanks for your help !
----- Message from matthew patton <patto...@yahoo.com> ---------
Date: Tue, 29 Jun 2021 00:04:12 +0000 (UTC)
From: matthew patton <patto...@yahoo.com>
Subject: Re: Difficult getting pure-ftpd to work under Cygwin on
Windows 10, esp anonymous ftp
To: David Oppenheim <dav...@optimation.com.au>
and look at cygrunsrv --start <ftpd>
On Monday, June 28, 2021, 08:00:10 PM EDT, matthew patton
<patto...@yahoo.com> wrote:
specifically
SeAssignPrimaryTokenPrivilege
SeCreateTokenPrivilege
SeTcbPrivilege
SeIncreaseQuotaPrivilege
SeServiceLogonRight
On Monday, June 28, 2021, 07:58:41 PM EDT, matthew patton via
Cygwin <cygwin@cygwin.com> wrote:
have you tried applying the notable permissions from this to your
'ftp' windows
user?https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/user-rights-assignment
On Monday, June 28, 2021, 06:48:18 PM EDT, David Oppenheim
<dav...@optimation.com.au> wrote:
I have debugged various obstacles getting logins to pure-ftpd to work under
Cygwin on Windows 10 (Home edition 20H2 on this particular PC), especially
getting anonymous ftp to login successfully. My pure-ftpd is version 1.0.46-1
as downloaded by the Cygwin installer.
There are problems with how it looks up username/password, with it calling
seteuid(), and sometimes with pathnames for the user's home directory, and
the user's shell. This is particularly fraught if you try to use
anonymous ftp.
My solution is a simple recipe, albeit limited but fine for personal
or small group use ... technical problem details after this recipe.
I hope this helps anyone else trying to get it to work !
--- recipe for setting up pure-ftpd on Cygwin
Set up pure-ftp passwd file first with pure-pw -f filename.passwd
then convert to puredb format with pure-pw mkdb filename.pdb -f
filename.passwd
Note that sometimes pure-pw and/or pure-ftpd imply a /etc prefix for
the filename,
seems that's overridden if you use an absolute pathname.
Run pure-ftpd as you. From the ftp client login as you with the
puredb file password not the Windows password.
Your starting directory once logged in will be the homne directory as set up
in the puredb entry for your username ... probably /home/yourloginname
(as viewed from inside Cygwin).
--- end recipe
Re anonymous login ...
Internally pure-ftpd translates "anonymous" to "ftp"
Anonymous login is not checked in the -l puredb file, it does
a getpwnam() call, so "ftp" ** must ** be a user in Windows
Needs /home/ftp (pathname from inside Cygwin) and perhaps
~/home/ftp for user running pure-ftpd
For any ftp login, if the ftp username is not the same as the Windows
user running pure-ftpd, pure-ftpd fails on seteuid() ... see Windows
event logger (or Cygwin syslog if that's installed), the ftp client
sees "Unable to set up secure anonymous FTP"
This happens even if running pure-ftpd from Explorer by
"Run as Administrator"
So for anonymous login you have to run pure-ftpd as Windows user ftp
More generally, because of that seteuid issue, if you want to
ftp login as uuu then you need to run pure-ftpd as Windows user uuu ...
although having uuu in a pure-pw database permits the password to
be different from the Windows login password.
Nb: if you run pure-ftpd directly from Explorer (incl "Run as Administrator")
the place it looks for the home directory may be ./ or the Windows user's
home (C:\Users\uuu) and I have also seen failures setting user shell
because it's looking for e.g. /bin/bash somewhere else.
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----- End message from matthew patton <patto...@yahoo.com> -----
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