* cygheap.cc: Include security.h.
* grp.cc (internal_getgrent): New function.
(getgroups): Rearranged using `internal_getgrent' and the new
`cygsid' class.
* passwd.cc (internal_getpwent): New function.
* sec_acl.cc: Use new `cygsid' class throughout.
(acl_access): Use `internal_getgrent' instead of `getgrent'.
* sec_helper.cc: Use new `cygsid' class throughout.
(get_id_from_sid): Use `internal_getgrent' instead of `getgrent'.
Use `internal_getpwent' instead of `getpwent'.
* security.cc: Use new `cygsid' class throughout.
* security.h: Move `MAX_SID_LEN' from winsup.h to here.
Add extern declarations for `internal_getgrent' and `internal_getpwent'.
(class cygsid): New class.
* shared.cc (sec_user): Use new `cygsid' class.
* syscalls.cc (seteuid): Try to set owner to user and primary group to
current group in impersonation token before performing impersonation.
(setegid): Try to set primary group in process token to the new group
if ntsec is on.
* uinfo.cc (internal_getlogin): Use new `cygsid' class.
Try to set owner to user and primary group to current group in process
token if the process has been started from a non cygwin process.
(uinfo_init): Set primary group only if the process has been started
from a non cygwin process.
* winsup.h: Move define for `MAX_SID_LEN' to security.h.
* fhandler.h (fhandler_base::set_open_status): New method. Stores original
open status.
(fhandler_base::get_open_status): New method. Retrieves original open status.
(fhandler_base::reset_to_open_binmode): New method.
* fhandler.cc (fhandler_base::open): Save open status.
(fhandler_base::init): Ditto.
* fhandler_clipboard.cc (fhandler_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_dsp.cc (fhandler_dsp::open): Ditto.
* fhandler_dev_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_dev_random.cc (fhandler_dev_random::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tty_slave.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tty_master.cc (fhandler_tty_master::open): Ditto.
* fhandler_dev_zero.cc (fhandler_dev_zero::open): Ditto.
* syscalls.cc (setmode): Rework so that 0 mode value causes reversion to open
state.
* fhandler_tty_slave.cc (fhandler_tty_slave::read): Use correct multiplier when
converting from deciseconds to milliseconds.
* path.cc (check_sysfile): Ditto.
(symlink_info::check): Rely on opened file handle being closed by symlink
checking routines. Set ext_tacked_on when .lnk is detected.
* sec_helper.cc (set_process_privilege): Rename from
`set_process_privileges'. Takes the privilege to enable or disable
as parameter now.
* security.h: Add prototype for `set_process_privileges'.
* security.cc: Swap out several functions.
* sec_acl.cc: New file. Move Sun compatibel ACL functions from
`security.cc' to here.
* sec_helper.cc: New file. Move security helper functions from
`security.cc' to here.
* security.h: Changed to accomodate the above changes.
* grp.cc: Replace `group_in_memory_p' by `group_state'.
Eliminate group_sem throughout.
(enum grp_state): New enumeration type.
(read_etc_group): Make race safe.
* security.cc: Eliminate group_sem throughout.
is set to PCHECK_ADJUST when a case clash is given for the last
component in path.
(symlink_info::case_check): Ditto.
* syscalls.cc (_rename): Avoid overwriting an already existing file
if a case clash is given even if pcheck_case is set to PCHECK_ADJUST.
a global static variable.
(class mmap_record): Add `devtype_' member to remember
the device type of the file. Add declaration for methods
`get_device', `alloc_fh' and `free_fh'.
(mmap_record::mmap_record): Initialize `devtype_' correctly.
(mmap_record::alloc_fh): New method.
(mmap_record::free_fh): Ditto.
(munmap): Use new mmap_record::alloc_fh and mmap_record::free_fh
methods to create a correct fhandler.
(msync): Ditto.
(fixup_mmaps_after_fork): Ditto.
`netgroupgetusers'.
(load_netapi): Load function pointers `netlocalgroupgetmembers'
and `netgroupgetusers'.
(enum_local_users): New function.
(enum_local_groups): Call `enum_local_users' for each group if
`print_users' is set.
(enum_users): New function.
(enum_groups): Call `enum_users' for each group if `print_users' is set.
(usage): Add usage text for `-u/--users'.
(longopts): Add option `--users'.
(opts): Add option character `u'.
(main): Set `print_users' according to option `-u/--users'.
Call `enum_local_groups' and `enum_groups' with additional parameter
`print_users'.
* fhandler_dsp.cc: New file. Implements OSS like /dev/dsp.
* include/sys/soundcard.h: New file. User land includes for OSS /dev/dsp.
* fhandler.h: Add new class fhandler_dev_dsp and a FH_OSS_DSP definition.
* dtable.cc (dtable::build_fhandler): Allow creation of the /dev/dsp device.
* path.cc (windows_device_names): Add /dev/dsp into list of device names.
* Makefile.in (DLL_OFILES): Add fhandler_dsp.o.