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Support acl(2) method for reading pty ACLs, fix pty chown

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* fhandler.h (fhandler_pty_slave::facl): Add prototype.
        * fhandler_tty.cc (fhandler_pty_slave::facl): New method.
        (fhandler_pty_slave::fchown): Fix uid/gid handling.
        * sec_acl.cc (set_posix_access): Drop superfluous class_idx variable.
        Simplify and move around code in a few places.  To improve ACL
        readability, add r/w permissions to Admins ACE appended to pty ACL.
        Add comment to explain Windows ACE Mask filtering being in the way of
        creating a real CLASS_OBJ.
        (get_posix_access): Fake CLASS_OBJ for ptys.  Explain why.
        * security.cc (get_object_attribute): Add S_IFCHR flag to attributes
        when calling get_posix_access.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2015-04-17 19:54:59 +02:00
parent 02bbbb7506
commit f63dffb818
5 changed files with 120 additions and 24 deletions
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winsup/cygwin/fhandler.h
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@ -1545,6 +1545,7 @@ class fhandler_pty_slave: public fhandler_pty_common
select_record *select_read (select_stuff *);
virtual char const *ttyname () { return pc.dev.name; }
int __reg2 fstat (struct stat *buf);
int __reg3 facl (int, int, struct acl *);
int __reg1 fchmod (mode_t mode);
int __reg2 fchown (uid_t uid, gid_t gid);