Ruby Issue Tracking System

02/22/2013

12:17 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

Thank you!! afazio (Alfred Fazio)

02/21/2013

07:29 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

Here is some more info on the NGROUPS and NGROUPS_MAX constants as defined by various operating systems:
http://ww... afazio (Alfred Fazio)

06:04 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

So, to summarize, this is not a problem with AD. This is an issue for any user that is a member of more than 16 grou... afazio (Alfred Fazio)

05:02 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

OK, I see the issue.
rb_group_member looks at the following constants:
sys/syslimits.h:#define NGROUPS_MAX ... afazio (Alfred Fazio)

04:52 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

Looking at ruby/file.c shows that File.writable? (or rather rb_file_writable_p()) calls "eaccess", not "access".
... afazio (Alfred Fazio)

04:25 AM Backport200 Backport #7886: Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

Thank you for the quick feedback.
I implemented a quick C program to test the results of access(). You can see th... afazio (Alfred Fazio)

02/20/2013

02:26 AM Backport200 Backport #7886 (Closed): Not recognizing unix group permissions for Mac OS X (Mountain Lion) when user account have >16 groups

The following bug occurs in 1.9.3 p374 and also in 1.8.7 p371
When using a Active Directory mobile account in Mac ... afazio (Alfred Fazio)