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* fhandler_disk_file.cc (fhandler_base::fstat_helper): Drop all "other" 

permissions from st_mode, if the reading the file's security descriptor
	failed.  Explain why.
This commit is contained in:
Corinna Vinschen 2009-11-08 10:22:28 +00:00
parent 08e5e79b33
commit aa9681ec35
2 changed files with 12 additions and 0 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2009-11-08 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_base::fstat_helper): Drop all "other"
permissions from st_mode, if the reading the file's security descriptor
failed. Explain why.
2009-11-06 Corinna Vinschen <corinna@vinschen.de> 2009-11-06 Corinna Vinschen <corinna@vinschen.de>
* globals.cc (ro_u_scr): New R/O unicode string. * globals.cc (ro_u_scr): New R/O unicode string.

6
winsup/cygwin/fhandler_disk_file.cc
View File

@ -670,6 +670,12 @@ fhandler_base::fstat_helper (struct __stat64 *buf,
/* This fakes the permissions of all files to match the current umask. */ /* This fakes the permissions of all files to match the current umask. */
buf->st_mode &= ~(cygheap->umask); buf->st_mode &= ~(cygheap->umask);
/* If the FS supports ACLs, we're here because we couldn't even open
the file for READ_CONTROL access. Chances are high that the file's
security descriptor has no ACE for "Everyone", so we should not fake
any access for "others". */
if (has_acls ())
buf->st_mode &= ~(S_IROTH | S_IWOTH | S_IXOTH);
} }
done: done: