Greetings, Corinna Vinschen! >> >>> Don't know if this list is more appropriate than the Perl one but my >> >>> question is actually about porting a Perl script to Cygwin. I need to >> >>> check if the current user running the script belongs to a pre-defined >> >>> group. >> >> >>> Under *nix, I get the list of users belonging to the group and see if >> >>> the current user is in this list. >> >> >>How exactly you are doing this? (I hope you're not reading it from >> >>/etc/group, because that file may not exist at all, or contain exactly >> >>zero relevant >> >>information.) >> >> > I'm using standard perl commands (getgrnam, getlogin, etc... : >> > http://perldoc.perl.org/5.14.2/functions/getgrnam.html) which are probably >> > using standard C libraries in the background (I hope). The doc explicitly >> > says "The $members value returned by getgr*() is a space-separated list of >> > the login names of the members of the group" but it's always empty under >> > Cygwin. >> >> The functionality you're looking for may(or may not) be available soon(tm). >> Corinna doing some rework of the core user/group handling as we speak.
> No, sorry. You don't know it yet, but you really don't want that. The > cost to generate full gr_mem info from the Windows user DBs in terms of > performance is prohibitive. I've had an itch about it, but I have no tools to check this functionality myself. Thanks for confirmation. > And it's really not required information > because there are other ways to fetch this info only if it's really > required: > - For the current user, use getgroups(2): > http://linux.die.net/man/2/getgroups > - For another account use getgrouplist(3): > http://linux.die.net/man/3/getgrouplist >> Check the "Testers needed: New passwd/group handling in Cygwin" thread(s). >> Do note that in the light of upcoming 1.29 release, snapshots do not contain >> the code in question. You'd need to rebuild DLL from CVS to get them. > Or just use the older 2014-03-05 snapshot for the time being. Indeed, I did mean "current snapshots". Sorry. -- WBR, Andrey Repin (anrdae...@yandex.ru) 14.03.2014, <20:37> Sorry for my terrible english... -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
