path: root/winsup/cygwin/ChangeLog

2015-04-22  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (basename): Undefine basename before defining function to
	avoid type collision with prototype in string.h.

2015-04-21  Corinna Vinschen  <corinna@vinschen.de>

	* include/libgen.h: Remove in favor of newlib version.

2015-04-21  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (get_posix_access): Check for Cygwin "standard" ACL.
	Apply umask, if so.  Align comments.
	* security.cc (set_created_file_access): Fix permission masking by
	incoming requested file mode.

2015-04-20  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Apply mask only in terms of execute bit
	for SYSTEM and Admins group.

2015-04-17  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Don't create DENY ACEs for USER and
	GROUP entries if they are the same as USER_OBJ or GROUP_OBJ.

2015-04-17  Corinna Vinschen  <corinna@vinschen.de>

	* 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.

2015-04-17  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::fetch_account_from_windows): Always revert SID
	subauth count after checking for known domain.

2015-04-17  Corinna Vinschen  <corinna@vinschen.de>

	* pwdgrp.h: Add comment to explain below change.
	(struct pg_pwd): Convert sid member to BYTE array.
	(struct pg_grp): Ditto.
	* grp.cc (pwdgrp::parse_group): Accommodate above change.
	* passwd.cc (pwdgrp::parse_passwd): Ditto.

2015-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Move merging group perms into owner
	perms in case of owner == group after mask has been computed.  Take
	mask into account when doing so to avoid unnecessary ACCESS_DENIED_ACE.

2015-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (get_posix_access): Only set saw_group_obj flag if we saw
	the ACCESS_ALLOWED_ACE.

2015-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Deliberatly
	set GROUP_OBJ and CLASS_OBJ perms to new group perms.  Add comment
	to explain why.
	* security.cc (set_created_file_access): Ditto.

2015-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Replace previous patch.  Return
	EINVAL if uid and/or guid is invalid and not backed by an actual
	Windows account.

2015-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Workaround owner/group SIDs being NULL.

2015-04-15  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Handle files with owner == group.
	Rephrase switch statement checking against unfiltered a_type value.
	(get_posix_access): Handle files with owner == group.

2015-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (get_posix_access): Don't use GROUP_OBJ access to fix up
	CLASS_OBJ mask on old-style ACLs.  Fix a comment.

2015-04-12  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (set_posix_access): Always make sure Admins have
	WRITE_DAC and WRITE_OWNER permissions.
	* security.h (create_object_sd_from_attribute): Drop handle parameter
	from prototype.
	* security.cc (create_object_sd_from_attribute): Drop handle parameter.
	Just create the standard POSIXy security descriptor.
	(set_object_attribute): Accommodate dropped paramter in call to
	create_object_sd_from_attribute.
	* fhandler_tty.cc: Ditto, throughout.

2015-04-12  Corinna Vinschen  <corinna@vinschen.de>

	* shm.cc (shmget): Fetch segment size from server rather than using
	size argument to accommodate existing segments.  Add comment to explain
	why.

2015-04-11  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Fix typo in
	mask computation.

2015-04-10  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2000.
	(CYGWIN_VERSION_DLL_MINOR): Set to 0.

2015-04-04  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* exceptions.cc (call_signal_handler): Set mcontext.cr2 to the
	faulting address.

2015-04-02  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* exceptions.cc (call_signal_handler): Only bother to construct
	the ucontext for signal handlers with SA_SIGINFO set.  Set
	mcontext.oldmask.

2015-04-04  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* exceptions.cc (call_signal_handler): Zero initialize context and set
	context flags, as RlCaptureContext doesn't.

2015-04-10  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open_with_arch): Call open with mode
	not umasked.
	(fhandler_base::open): Explicitely umask mode on NFS here.  Call new
	set_created_file_access rather than set_file_attribute.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Reimplement
	setting permissions on filesystems supporting ACLs using the new
	set_posix_access call.
	(fhandler_disk_file::fchown): Ditto.
	(fhandler_disk_file::mkdir): Call new set_created_file_access rather
	than set_file_attribute.
	* fhandler_socket.cc (fhandler_socket::bind): Don't umask here.  Add
	WRITE_OWNER access to allow writing group in case of SGID bit set.
	Call new set_created_file_access rather than set_file_attribute.
	* path.cc (symlink_worker): Call new set_created_file_access rather
	than set_file_attribute.
	* sec_acl.cc (searchace): Un-staticize.
	(set_posix_access): New, complementary functionality to
	get_posix_access.
	(setacl): Implement in terms of get_posix_access/set_posix_access.
	(get_posix_access): Add handling for just created files requiring
	their first Cygwin ACL.  Fix new_style recognition.  Handle SGID
	bit.  For old-style ACLs, ignore SYSTEM and Administrators when
	computing the {DEF_}CLASS_OBJ perms.
	* security.cc (get_file_sd): Revamp comment.  Change and (hopefully)
	speed up inheritance processing for just created files.
	(alloc_sd): Remove.
	(set_security_attribute): Call set_posix_access instead of alloc_sd.
	(get_object_attribute): Fix return value.
	(create_object_sd_from_attribute): Call set_posix_access instead of
	alloc_sd.
	(set_file_attribute): Remove.
	(set_created_file_access): New function implemented in terms of
	get_posix_access/set_posix_access.
	* security.h (set_file_attribute): Remove prototype.
	(set_created_file_access): Add prototype.
	(searchace): Ditto.
	(set_posix_access): Ditto.
	* syscalls.cc (open): Call open_with_arch with mode not umasked.

2015-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::open): Call open_null.

2015-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* pwdgrp.h (sidfromuid): New inline function.
	(sidfromgid): Ditto.
	* fhandler_disk_file.cc (fhandler_disk_file::fchown): Use sidfromuid.
	* quotactl.cc (quotactl): Use sidfromuid and sidfromgid.

2015-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc: Change preceeding comment explaining new-style ACLs.
	Describe how to generate deny ACEs in more detail.  Accommodate the
	fact that a NULL deny ACE is used for {DEF_}CLASS_OBJ, rather than
	a special Cygwin ACE.  Improve further comments.
	(CYG_ACE_NEW_STYLE): Define.
	(get_posix_access): Change from Cygwin ACE to NULL deny ACE.  Fix
	CLASS_OBJ handling to generate CLASS_OBJ and DEF_CLASS_OBJ from a single
	NULL deny ACE if the inheritance flags say so.
	* sec_helper.cc (well_known_cygwin_sid): Remove.
	* security.h (well_known_cygwin_sid): Drop declaration.

2015-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* include/cyggwin/acl.h (struct __acl16): Move from here...
	* sec_acl.cc: ...to here.

2015-04-07  Corinna Vinschen  <corinna@vinschen.de>

	* tty.h (class tty): Remove unused 32/64 bit interoperability
	considerations.

2015-04-07  Corinna Vinschen  <corinna@vinschen.de>

	* tty.h (NTTYS): Raise to 128.
	* devices.in: Change pty, ptym, and cons expressions accordingly.
	* devices.cc: Regenerate.

2015-04-04  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* Makefile.in : Remove setting -fomit-frame-pointer for compiling
	various files, it is already the default.  Set
	-fno-omit-frame-pointer for exceptions.cc on x86.

2015-04-03  Takashi Yano  <takashi.yano@nifty.ne.jp>

	* fhandler_tty.cc (fhandler_pty_slave::read): Change calculation of
	"readlen" not to use "bytes_in_pipe" value directly.

2015-04-02  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* include/cygwin/signal.h (struct __mcontext): 16-byte align.
	* include/sys/ucontext.h (ucontext_t): Ditto.

2015-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (CYG_ACE_ISBITS_TO_WIN): Fix typo.
	(get_posix_access): Rename index variable from i to idx.  Define only
	once at top level.

2015-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (add_access_allowed_ace): Drop unused parameter "offset".
	Accommodate throughout.
	(add_access_denied_ace): Ditto.
	* sec_acl.cc: Accommodate above change throughout.
	* security.h (add_access_allowed_ace): Adjust prototype to above change.
	(add_access_denied_ace): Ditto.

2015-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/types.h: Include sys/_stdint.h rather than stdint.h.
	* include/stdint.h: Drop in favor of newlib version.
	* include/inttypes.h: Ditto.

2015-04-01  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* include/sys/ucontext.h : New header.
	* include/ucontext.h : Ditto.
	* exceptions.cc (call_signal_handler): Provide ucontext_t
	parameter to signal handler function.

2015-04-01  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* external.cc (cygwin_internal): Add operation to retrieve a copy
	of the EXCEPTION_RECORD from a siginfo_t *.
	* include/sys/cygwin.h (cygwin_getinfo_types): Ditto.
	* exception.h (cygwin_exception): Add exception_record accessor.

2015-04-01  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* include/cygwin/signal.h : Rename struct ucontext to struct
	__mcontext.  Fix layout differences from the Win32 API CONTEXT
	type.  Remove unused member _internal.  Rename member which
	corresponds to ContextFlags.  Add cr2 member.

2015-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (internal_getgroups): Handle negative domain index to avoid
	crashes.

2015-03-31  Renato Silva  <br.renatosilva@gmail.com>

	* net.cc (cygwin_gethostname): Fix buffer size error handling.

2015-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::fetch_account_from_windows): Don't allow fully
	qualified Windows account names (domain\user or user@domain).

2015-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* localtime.cc (tzset_unlocked): Export as _tzset_unlocked.

2015-03-30  Yaakov Selkowitz  <yselkowi@redhat.com>

	* common.din (__gnu_basename): Export.
	* path.cc (__gnu_basename): New function.

2015-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.h (cygheap_domain_info::add_domain): Add prototype.
	* uinfo.cc (cygheap_domain_info::add_domain): New method.
	(pwdgrp::fetch_account_from_windows): Try to add domain explicitely
	if it was not in the original list of trusted domains and go ahead
	rather than bailing out.  Add comment to explain why.

2015-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* cygtls.h (struct _cygtls): Convert thread_context to type CONTEXT.
	* exceptions.cc (_cygtls::signal_debugger): Use sizeof (CONTEXT) for
	size of CONTEXT copied for GDB's digestion.
	* include/cygwin/signal.h: Add a preliminary comment.

2015-03-25  Corinna Vinschen  <corinna@vinschen.de>

	* include/sys/termios.h: Add CMIN and CTIME.
	* fhandler_termios.cc (fhandler_termios::tcinit): Use CMIN and CTIME.

2015-03-25  Takashi Yano  <takashi.yano@nifty.ne.jp>

	* tty.h (class tty_min): Remove variable "write_error" to which any
	errors are not currently set at anywhere.
	(class tty): Add variable "column" for handling ONOCR.
	* tty.cc (tty::init): Add initialization code for variable "column".
	* fhandler.h (class fhandler_pty_master): Remove variable "need_nl"
	which is not necessary any more. "need_nl" was needed by OPOST process
	in fhandler_pty_master::process_slave_output().
	(class fhandler_pty_common): Add function process_opost_output() for
	handling post processing for OPOST in write process.
	* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Count
	TIOCPKT control byte into length to be read in TIOCPKT mode. Move
	post processing for OPOST to write process. Remove code related to
	variable "write_error". Return with EIO error if slave is already
	closed.
	(fhandler_pty_master::fhandler_pty_master): Remove initialization
	code for variable "need_nl".
	(fhandler_pty_common::process_opost_output): Add this function for
	handling of OPOST in write process. Add code to avoid blocking in
	non-blocking mode when output is suspended by ^S.
	(fhandler_pty_slave::write): Call fhandler_pty_common::
	process_opost_output() instead of WriteFile(). Remove code related to
	variable "write_error".
	(fhandler_pty_master::doecho): Call fhandler_pty_common::
	process_opost_output() instead of WriteFile().
	* select.cc (peek_pipe): Remove code related to variable "need_nl".

2015-03-24  Corinna Vinschen  <corinna@vinschen.de>

	Per glibc BZ #15366:
	* inttypes.h: Drop __STDC_FORMAT_MACROS consideration.
	* stdint.h: Drop __STDC_LIMIT_MACROS and __STDC_CONSTANT_MACROS
	consideration.

2015-03-23  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/_types.h: Drop unused file.

2015-03-19  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (get_posix_access): Handle multiple ACEs for the
	owner and primary group of the file.  Handle the default primary
	group ACE as DEF_GROUP_OBJ entry if the directory has the S_ISGID bit
	set.  Add comments.  Minor code rearrangements.

2015-03-18  Corinna Vinschen  <corinna@vinschen.de>

	Preliminary read side implementation of new permission handling.
	* acl.h (MAX_ACL_ENTRIES): Raise to 2730.  Add comment to explain.
	* sec_acl.cc:  Add leading comment to explain new ACL style.
	Add definitions and macros to use for bits in new Cygwin ACL.
	(DENY_RWX): New mask value for all temporary deny bits.
	(getace): Add bool parameter to decide when leaving all bits intact,
	rather than filtering them per the already set bits.
	(get_posix_access): New function, taking over functionality to read
	POSIX ACL from SECURITY_DESCRIPTOR.
	(getacl): Just call get_posix_access.
	* sec_helper.cc (well_known_cygwin_sid): Define.
	* security.cc (get_attribute_from_acl): Remove.
	(get_info_from_sd): Remove.
	(get_reg_sd): Call get_posix_access instead of get_info_from_sd.
	(get_file_attribute): Ditto.
	(get_object_attribute): Ditto.
	* security.h (well_known_cygwin_sid): Declare.
	(get_posix_access): Add prototype.

	* Throughout, use simpler ACE macros from Windows' accctrl.h.

2015-03-18  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (pwdgrp::parse_group): Call cygsid::getfromgr_passwd.
	* passwd.cc (pwdgrp::parse_passwd): Call cygsid::getfrompw_gecos.
	* pwdgrp.h (cygsid::getfrompw): Implement as inline method here,
	accessing pg_pwd's sid member directly.
	(cygsid::getfromgr): Implement as inline method here, accessing
	pg_grp's sid member directly.
	* sec_auth.cc (extract_nt_dom_user): Call cygsid::getfrompw_gecos.
	Explain why.
	* sec_helper.cc (cygsid::getfrompw): Drop implementation.
	(cygsid::getfromgr): Ditto.
	* security.h (cygsid::getfrompw_gecos): Implement former getfrompw
	inline here.
	(cygsid::getfromgr_passwd): Implement former getfromgr inline here.

2015-03-18  Corinna Vinschen  <corinna@vinschen.de>

	* sec_auth.cc (get_server_groups): Drop unused passwd argument.  Adjust
	calls throughout.
	(get_initgroups_sidlist): Ditto.
	(get_setgroups_sidlist): Ditto.
	(create_token): Ditto.
	(lsaauth): Ditto.
	* security.h (create_token): Adjust prototype to above change.
	(lsaauth): Ditto.
	(get_server_groups): Ditto.
	* grp.cc (get_groups): Adjust call to get_server_groups.
	* syscalls.cc (seteuid32): Adjust calls to lsaauth and create_token.

2015-03-17  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (internal_getgroups): Drop unused timeout parameter.
	* pwdgrp.h (internal_getgroups): Ditto in prototype.
	* uinfo.cc (internal_getlogin): Ditto in usage.

2015-03-17  Corinna Vinschen  <corinna@vinschen.de>

	* spawn.cc (find_exec): Fix a name change in case of a symlink which
	can be opened as is.

2015-03-12  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* exceptions.cc (stack_info): Add sigstackptr member.
	(walk): Unwind sigstackptr inside _sigbe and sigdelayed.
	* gendef (_sigdelayed_end): Add symbol to mark end of sigdelayed.

2015-03-13  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/sys_time.h: Remove.  Definitions moved to newlib's
	sys/time.h.

2015-03-13  Alexey Pavlov  <alexpux@gmail.com>

	* net.cc (in6addr_any): Remove redundant braces.
	(in6addr_loopback): Ditto.

2015-03-12  Alexey Pavlov  <alexpux@gmail.com>

	* include/cygwin/version.h: Fix typo.

2015-03-12  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc: Drop defining _BSDTYPES_DEFINED before including
	winsup.h.

2015-03-12  Takashi Yano  <takashi.yano@nifty.ne.jp>

	* fhandler_tty.cc (fhandler_pty_master::close): Add code to make slave
	detect closure of master. Fix typo in error message.

2015-03-11  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/types.h: Include <sys/_timespec.h>

2015-03-11  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (CreateEnvironmentBlock): Make loading non-fatal.

2015-03-11  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (std_dll_init): Fix condition for breaking from DLL
	loading loop.

2015-03-10  Yaakov Selkowitz  <yselkowitz@cygwin.com>

	* include/stdint.h: Fix __x86_64__ conditional.

2015-03-05  Corinna Vinschen  <corinna@vinschen.de>

	* tty.h (tty::set_master_ctl_closed): Rename from set_master_closed.
	(tty::is_master_closed): Drop method.
	* fhandler_tty.cc (fhandler_pty_slave::open): Remove code prematurely
	bailing out if master control thread is not running.
	(fhandler_pty_slave::read): Don't generate SIGHUP if master control
	thread is not running.
	(fhandler_pty_master::close): Rearrange code to avoid stopping master
	control thread twice in multi-threaded scenarios.

2015-03-05  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_base::get_echo_handle): New virtual method.
	(class fhandler_pty_master): Add echo_r and echo_w handles constituting
	read and write side of new echo pipe.
	* select.cc (peek_pipe): On pty masters, check additionally if input
	from the echo pipe is available.
	* fhandler_tty.cc (fhandler_pty_master::doecho): Drop output_mutex
	locking.  Write output to echo pipe.
	(fhandler_pty_master::process_slave_output): Check if input is available
	in echo pipe and prefer to read from it, if so.
	(fhandler_pty_slave::write): Drop output_mutex locking.
	(fhandler_pty_master::fhandler_pty_master): Initialize echo pipe
	handles to NULL.
	(fhandler_pty_master::close): Close and NULL echo pipe handles.
	(fhandler_pty_master::setup): Create echo pipe, close in case of error.

2015-03-04  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 36.

2015-03-03  Corinna Vinschen  <corinna@vinschen.de>

	* msg.cc: Throughout, drop raising SIGSYS if cygserver is not running.
	* sem.cc: Ditto.
	* shm.cc: Ditto.

2015-03-03  Corinna Vinschen  <corinna@vinschen.de>

	* common.din (issetugid): Export.
	* glob.cc (issetugid): Drop macro.
	* sec_auth.cc (issetugid): New exported function.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

2015-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (get_attribute_from_acl): Don't spill Everyone permissions
	into group permissions if owner SID == group SID.
	(alloc_sd): Add parenthesis for clarity.

2015-02-28  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::add_line): Return NULL if parsing a line failed.
	(pwdgrp::add_account_post_fetch): Check return value from add_line and
	return NULL if add_line returns NULL.

2015-02-27  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (alloc_sd): For directories, mark inherited ACEs
	inheritable to better follow POSIX 1003.1e rules.

2015-02-27  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (getacl): Add mask even if all group and secondary account
	permissions are 0.

2015-02-27  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::fetch_account_from_windows): Drop redundant test
	for SidTypeUser.

2015-02-27  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (setacl): Fix bug which leads to ACE duplication in
	case owner SID == group SID.
	(getacl): Reverse order of SID test against group or owner sid to
	prefer owner attributes over group attributes.  Disable setting group
	permissions equivalent to owner permissions if owner == group.  Add
	comment to explain why.  Fix indentation.
	* security.cc (get_attribute_from_acl): Change type of local variables
	containing permission to mode_t.  Apply deny mask to group if group SID
	== owner SID to avoid Everyone permissions to spill over into group
	permissions.  Disable setting group permissions equivalent to owner
	permissions if owner == group.  Add comment to explain why.
	* uinfo.cc (pwdgrp::fetch_account_from_windows): Allow user SID as
	group account if user is a "Microsoft Account".  Explain why.  Drop
	workaround enforcing primary group "Users" for "Microsoft Accounts".

2015-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.cc (cyg_ldap::wait): Call cygwait with cw_infinite timeout value
	and with cw_sig_restart instead of cw_sig_eintr.  Drop useless
	_my_tls.call_signal_handler call.  Return EIO if cygwait failed.

2015-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* posix_ipc.cc (ipc_mutex_lock): Revert unneeded call to signal handler.

2015-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* posix_ipc.cc (ipc_mutex_lock): Add bool parameter to influence if
	cygwait should be in EINTR or in restart mode.  Call signal handler
	if in EINTR mode.
	(mq_getattr): Call ipc_mutex_lock in restart mode.
	(mq_setattr): Ditto.
	(mq_notify): Ditto.
	(_mq_send): Call ipc_mutex_lock in EINTR mode.
	(_mq_receive): Ditto.

2015-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_termios.cc (fhandler_termios::line_edit): Fix condition
	for writing remaining bytes in readahead buffer in non-canonical mode.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (setacl): Always grant default owner entry
	STANDARD_RIGHTS_ALL and FILE_WRITE_ATTRIBUTES access, too.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_tape.cc (fhandler_dev_tape::_lock): Add cw_sig_restart to
	cygwait call.
	* thread.cc (pthread_mutex::lock): Ditto.
	(semaphore::_timedwait): Fix formatting.
	(semaphore::_wait): Ditto.
	* thread.h (fast_mutex::lock): Ditto.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (alloc_sd): Don't apply temporary workaround for chmod
	to DEF_USER_OBJ, DEF_GROUP_OBJ, and DEF_OTHER_OBJ ACEs.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_tty.cc (fhandler_pty_slave::read): Having no input is not an
	error condition for tcflush.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (alloc_sd): Fix comment style.  Remove code unused for
	years.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (alloc_sd): Add temporary workaround which disallows
	any secondary user to have more permissions than the primary group
	in calls to chmod.  Add comment to explain why.

2015-02-25  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (client_request_pwdgrp::client_request_pwdgrp): Add missing
	break in switch statement.

2015-02-24  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.h: Remove index macros.
	(class cyg_ldap): Remove members srch_msg and srch_entry.
	(cyg_ldap::get_string_attribute): Remove private method taking index
	argument.
	(cyg_ldap::get_num_attribute): Ditto.  Add method taking attribute name.
	(cyg_ldap::get_primary_gid): Adjust to aforementioned change.
	(cyg_ldap::get_unix_uid): Ditto.
	(cyg_ldap::get_unix_gid): Ditto.
	* ldap.cc: Throughout, use msg and entry in place of srch_msg and
	srch_entry.
	(std_user_attr): Add sAMAccountName and objectSid.
	(group_attr): Ditto.
	(cyg_ldap::close): Drop handling of srch_msg and srch_entry.
	(cyg_ldap::get_string_attribute): Move earlier in file.
	(cyg_ldap::get_num_attribute): Ditto.
	(cyg_ldap::enumerate_ad_accounts): Add comments for clarity.
	Use group_attr or user_attr rather than sid_attr to fetch all desired
	attributes for an account right away.
	(cyg_ldap::next_account): Store found SID in last_fetched_sid to
	skip calls to fetch_ad_account from fetch_account_from_windows.
	(cyg_ldap::get_string_attribute): Remove method taking index argument.
	(cyg_ldap::get_num_attribute): Ditto.
	* pwdgrp.h (class pg_ent): Fix formatting.  Add member dom.
	* passwd.cc (pg_ent::enumerate_ad): Store current flat domain name
	in dom.  Construct fetch_acc_t argument from LDAP attributes and
	call fetch_account_from_windows with that.
	* userinfo.h (enum fetch_user_arg_type_t): Rename FULL_grp_arg to
	FULL_acc_arg.  Change throughout.
	(struct fetch_acc_t): Rename from fetch_full_grp_t.  Change throughout.
	(struct fetch_user_arg_t): Rename full_grp to full_acc.  Change
	throughout.

2015-02-24  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_base): Add was_nonblocking status flag.
	* fhandler.cc (fhandler_base::set_flags): Set was_nonblocking if the
	O_NONBLOCK flag has been specified.
	(fhandler_base_overlapped::close): Check for was_nonblocking instead
	of for is_nonblocking.  Explain why.
	(fhandler_base::set_nonblocking): Set was_nonblocking if noblocking
	mode gets enabled.

2015-02-24  Ken Brown  <kbrown@cornell.edu>

	* include/sys/socket.h (sockatmark): Add prototype.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* userinfo.h (struct fetch_full_grp_t): Define only when building
	Cygwin itself.
	(struct fetch_user_arg_t): Ditto.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (LsaLookupSids): Import.
	* cygserver_pwdgrp.h: Include userinfo.h.  Drop workaround defining
	fetch_user_arg_type_t locally.
	* grp.cc (internal_getgrsid_cachedonly): New function.
	(internal_getgrfull): Ditto.
	(internal_getgroups): Rearrange function.  Center around fetching all
	cached group info first, calling LsaLookupSids on all so far non-cached
	groups second.  Pass all available info to new internal_getgrfull call.
	* pwdgrp.h: Include userinfo.h.  Move definitions of
	fetch_user_arg_type_t and fetch_user_arg_t there.
	(pwdgrp::add_group_from_windows): Declare with getting full group info.
	Called from internal_getgrfull.
	* uinfo.cc (pwdgrp::add_group_from_windows): Define.
	(pwdgrp::fetch_account_from_line): Add default case.
	(pwdgrp::fetch_account_from_file): Ditto.
	(pwdgrp::fetch_account_from_windows): Handle FULL_grp_arg.
	(client_request_pwdgrp::client_request_pwdgrp): Add default case.
	* userinfo.h: New header.
	(enum fetch_user_arg_type_t): Add FULL_grp_arg.
	(struct fetch_full_grp_t): New datatype.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (internal_getgroups): Check for group attributes and
	Everyone sid before calling internal_getgrsid.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* cygwait.h (enum cw_wait_mask): Add cw_sig_restart.  Add comments
	to explain the meaning of the possible values.
	* cygwait.cc (is_cw_sig_restart): Define.
	(is_cw_sig_handle): Check for cw_sig_restart as well.
	(cygwait): Restart always if cw_sig_restart is set.
	* thread.cc (pthread::join): Call cygwait with cw_sig_restart flag
	to avoid having to handle signals at all.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* cygwait.cc (cygwait): Move setting res to WAIT_SIGNALED to clarify
	when WAIT_SIGNALED is returned to the caller.

2015-02-23  Corinna Vinschen  <corinna@vinschen.de>

	* winsup.h (SIGTOMASK): Add cast to sigset_t to avoid int overflow.

2015-02-20  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (internal_getgroups): Take additional timeout_ns parameter.
	Restrict fetching group account entries from user token groups by
	timeout_ns 100ns-intervals.  Add preceding comment to explain why.
	* pwdgrp.h (internal_getgroups): Align prototype.
	* times.cc (GetTickCount_ns): New function.
	* uinfo.cc (internal_getlogin): Call internal_getgroups wih 300ms
	timeout.
	* winsup.h (GetTickCount_ns): Declare.

2015-02-19  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* Makefile.in (sigfe.o): Use CFLAGS.

2015-02-19  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* include/cygwin/stdlib.h (initstate, random, setstate, srandom):
	Check if __XSI_VISIBLE is set by sys/cdefs.h, rather than testing
	for _XOPEN_SOURCE directly, to work correctly when _GNU_SOURCE is
	set.

2015-02-19  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (setacl): Always grant owner FILE_WRITE_ATTRIBUTES access.

2015-02-18  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.cc (struct cyg_ldap_search): Add scope member.
	(cyg_ldap::search_s): Add parameter scope.  Use as LDAP search scope
	instead of fixed LDAP_SCOPE_SUBTREE scope.
	(ldap_search_thr): Call cyg_ldap::search_s with scope from argument.
	(cyg_ldap::search): Add parameter scope and fill in to cyg_ldap_search.
	(cyg_ldap::fetch_ad_account): Call search with LDAP_SCOPE_SUBTREE scope.
	(cyg_ldap::fetch_posix_offset_for_domain): Call search with
	LDAP_SCOPE_ONELEVEL scope.
	(cyg_ldap::fetch_unix_sid_from_ad): Call search with LDAP_SCOPE_SUBTREE
	scope.
	(cyg_ldap::fetch_unix_name_from_rfc2307): Ditto.
	* ldap.h (cyg_ldap::search): Align prototype to above change.
	(cyg_ldap::search_s): Ditto.

2015-02-18  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.cc: Macro-ize filter expressions.  Use throughout to compute
	required filter buffer size if filter is a local buffer.

2015-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.cc (cyg_ldap::fetch_posix_offset_for_domain): Drop stray
	system_printf.

2015-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* ldap.h (class cyg_ldap): Rename rootdse to def_context.  Change
	throughout.
	* ldap.cc (cyg_ldap::open): Fix debug output.
	(cyg_ldap::fetch_ad_account): Rename rdse to base.  Restrict LDAP
	query to users and groups only.
	(cyg_ldap::enumerate_ad_accounts): Rearrange filter expression for
	user accounts.
	(SYSTEM_CONTAINER): New macro.
	(cyg_ldap::fetch_posix_offset_for_domain): Set base in LDAP search
	to the "System" container in the default naming context to restrict
	the search scope.
	(cyg_ldap::fetch_unix_sid_from_ad): Add objectCategory=Person to
	search filter for users.

2015-02-16  Corinna Vinschen  <corinna@vinschen.de>

	* spawn.cc (find_exec): Extend preceeding comment to explain more
	detailed what's going on in this function.  Overwrite potential symlink
	target with original path.

2015-02-15  Corinna Vinschen  <corinna@vinschen.de>

	* i686.din (__mempcpy): Move symbol export from here...
	* common.din (__mempcpy): ... to here.

2015-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* path.h (path_conv): Make path_flags private.  Rename known_suffix to
	suffix and make private.  Rename normalized_path to posix_path and
	make privtae.  Accommodate name changes throughout in path_conv
	methods.
	(path_conv::known_suffix): New method.  Use throughout instead of
	accessing suffix directly.
	(path_conv::get_win32): Constify.
	(path_conv::get_posix): New method to read posix_path.  Use throughout
	instead of accessing normalized_path directly.
	(path_conv::set_posix): Rename from set_normalized_path.  Accommodate
	name change throughout.

	* spawn.cc (find_exec): Return POSIX path, not Win32 path.

2015-02-12  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (setacl): Introduce bool array "invalid" to note the
	invalidation of incoming acl entries while iterating over them.

2015-02-12  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.h (cygheap_pwdgrp::get_home): Add dnsdomain parameter to
	declaration in ldap-related method.
	(cygheap_pwdgrp::get_shell): Ditto.
	(cygheap_pwdgrp::get_gecos): Ditto.
	* ldap.cc (cyg_ldap::open): Use NO_ERROR instead of 0.
	(cyg_ldap::close): Reset last_fetched_sid.
	(cyg_ldap::fetch_ad_account): Return immediately if sid is the same as
	last_fetched_sid.  Open LDAP connection from here.  Move initialization
	of rdse after open call.  Set last_fetched_sid if LDAP call was
	successful.
	* ldap.h (class cyg_ldap): Add member last_fetched_sid.
	(cyg_ldap::cyg_ldap): Initialize last_fetched_sid.
	(cyg_ldap::is_open): New inline method.
	* uinfo.cc (cygheap_pwdgrp::init): Drop initialization of db_home,
	db_shell and db_gecos with "cygwin desc", thus only using the fallback
	by default.
	(fetch_windows_home): Add parameter dnsdomain.  Call
	cyg_ldap::fetch_ad_account if required.
	(fetch_from_path): Add parameter dnsdomain.  Call fetch_windows_home
	accordingly.
	(cygheap_pwdgrp::get_home): Accomodate call to fetch_windows_home.
	Add dnsdomain parameter in ldap-related method.  Call
	cyg_ldap::fetch_ad_account if required.
	(cygheap_pwdgrp::get_shell): Ditto.
	(cygheap_pwdgrp::get_gecos): Ditto.
	(pwdgrp::fetch_account_from_windows): Drop cyg_ldap::open call prior to
	cyg_ldap::fetch_ad_account call.  Set is_current_user to true if we're
	handling the current user account.  Make sure to perform the LDAP calls
	only for users, and only if required.

2015-02-11  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (fhandler_base::lock): Convert accidental system_printf to
	debug_printf in case of non-matching file modes.  Clear up debug output.

2015-02-11  Corinna Vinschen  <corinna@vinschen.de>

	* dlfcn.cc (check_path_access): Drop FE_NATIVE from find_exec call.
	(gfpod_helper): Drop equality sign from environment variable name
	in call to check_path_access.
	* exec.cc (execlp): Drop equality sign from environment variable name
	in call to find_exec.
	(execvp): Ditto.
	(execvpe): Ditto.
	* path.h (enum fe_types): Drop FE_NATIVE.
	(find_exec): Rename third paramter in declaration from search.  Drop
	equality sign from default value.
	* spawn.cc (perhaps_suffix): Add PC_POSIX to path_conv::check call.
	(find_exec): Simplify function.  Iterate over POSIX pathlist rather
	than Windows pathlist.  Drop handling of FE_NATIVE flag.  Always fill
	posix path of incoming path_conv buf, unless FE_NNF flag is given.
	(av::setup): Drop equality sign from environment variable name
	in call to find_exec.  Call unshift with normalized_path.
	* winf.cc (av::unshift): Drop conv parameter and code converting
	Windows to POSIX path.
	* winf.h (av::unshift): Accommodate prototype.

2015-02-10  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (fhandler_base::stat_fixup): Generate unique inode number
	for /dev/tty under all circumstances.  Add to comment.

2015-02-06  Corinna Vinschen  <corinna@vinschen.de>

	* common.din: Export cabsl, cimagl, creall, finitel, hypotl, sqrtl.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

2015-02-06  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 35.

2015-02-06  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_proc.cc (format_proc_cpuinfo): Enable multi-core fields
	on Intel CPUs.

2015-02-04  Corinna Vinschen  <corinna@vinschen.de>

	* common.din (wcstold): Export.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

2015-02-03  Corinna Vinschen  <corinna@vinschen.de>

	* mkvers.sh: Automate generating the copyright date in the version
	resource.
	* winver.rc: Ditto.

2015-01-28  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (VERSION_OFILES): New variable containing object files
	with version information.  Use throughout.
	(clean): Drop winver_stamp.
	(version.cc winver.o): Drop empty rule.
	(winver_stamp): Convert to rule targeting version.cc and winver.o
	directly.  Drop touching winver_stamp.  Fix typo.

2015-01-24  Corinna Vinschen  <corinna@vinschen.de>

	* uname.cc (uname): Shorten "WOW64" to "WOW" to account for the new
	Windows 10 OS version "10.0" starting with preview build 9926.

2015-01-23  Pierre A. Humblet <pierre@phumblet.no-ip.org>

	* net.cc (cygwin_inet_pton): Declare.
	(gethostby_specials): New function.
	(gethostby_helper): Change returned addrtype in 4-to-6 case.
	(gethostbyname2): Call gethostby_specials.

2015-01-22  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_process): Add fd_type member.
	* fhandler_process.cc (process_tab): Fix indentation.
	(fhandler_process::exists): Rely on format_process_fd returning file
	type in fd_type.
	(struct process_fd_t): Add fd_type member.
	(fhandler_process::fill_filebuf): Allow format_process_fd to set
	this->fd_type member.
	(format_process_fd): Fix path evaluation to allow recognizing trailing
	path components.  Fix check for file descriptor path component.  Return
	virt_symlink in fd_type if no trailing path compenents exist, return
	virt_fsdir otherwise and copy full resulting path into destbuf.
	* path.cc (path_conv::check): If /proc/$PID/fd symlink has trailing
	path components, reparse resulting path as if it's the incoming path.
	Add comment to wail over the outdated and hackish check method, and to
	explain what we do here.

2015-01-21  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::fetch_account_from_windows): Allow fetching gid,
	home, shell and gecos info from NT4 domain.

2015-01-21  Corinna Vinschen  <corinna@vinschen.de>

	* sec_auth.cc (get_logon_server): Constify domain parameter.
	* security.h (get_logon_server): Same in prototype.

2015-01-20  Corinna Vinschen  <corinna@vinschen.de>

	* common.din (sockatmark): Export.
	* net.cc (sockatmark): New function.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

2015-01-19  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver_ipc.h (ipc_retval): Add default constructor.
	(class thread): struct->class.  Add prototypes for new private methods
	dup_signal_arrived and close_signal_arrived.  Implement constructor and
	destructor.

2015-01-16  Marco Atzeri <marco.atzeri@gmail.com>
	    Corinna Vinschen  <corinna@vinschen.de>

	* gendef: Export _sigbe on 64 bit as well.
	* malloc_wrapper.cc (free): In malloc_printf, call caller_return_address
	instead of __builtin_return_address.
	(malloc): Ditto.
	(realloc): Ditto.
	(calloc): Ditto.
	* miscfuncs.cc (__caller_return_address): New function.
	* miscfuncs.h (caller_return_address): New macro calling
	__caller_return_address.
	(__caller_return_address): Add prototype.

2015-01-14  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (fetch_windows_home): Disable fetching from homeDrive or
	usri3_home_dir_drive.  Add comment.

2015-01-14  Corinna Vinschen  <corinna@vinschen.de>

	* environ.cc (renv_arr): Drop variables not usually in a Windows
	environment and all variables being uppercase anyway.  But keep
	TMP and TEMP for paranoia.

2015-01-14  Corinna Vinschen  <corinna@vinschen.de>

	* environ.cc (build_env): When merging the user's Windows environment,
	explicitely skip the variables needing conversion to avoid collisions.
	Extend comment to explain.

2015-01-13  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (pwdgrp::fetch_account_from_windows): Drop code from
	2014-11-17, always prepending domain to NT SERVICE accounts when
	searching by name.  Fix test expression to allow fully qualified
	names for NT SERVICE accounts.  Extend comment to explain a bit.

2015-01-12  Pierre A. Humblet <pierre@phumblet.no-ip.org>

	* minires-os-if.c (cygwin_query): Change questions into answers.

2015-01-08  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.h (cygheap_pwdgrp::get_shell): Add sid to argument list.
	(cygheap_pwdgrp::get_gecos): Ditto.
	* uinfo.cc (fetch_windows_home): Accept cyg_ldap and PUSER_INFO_3
	arguments, and fetch db home dir values right here.
	(fetch_from_path): Accept cyg_ldap, PUSER_INFO_3 pointers and sid
	arguments.  Add '%H' format specifier to fetch Windows home dir in
	POSIX notation.
	(cygheap_pwdgrp::get_home): Accommodate changes to fetch_windows_home
	and fetch_from_path.
	(cygheap_pwdgrp::get_shell): Ditto.
	(cygheap_pwdgrp::get_gecos): Ditto.
	(pwdgrp::fetch_account_from_windows): Accommodate sid argument to
	cygheap_pwdgrp::get_shell and cygheap_pwdgrp::get_gecos.

2015-01-08  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/socket.h (struct cmsghdr): Redefine cmsg_len as type
	size_t.  Add comment to explain why.

2015-01-08  Corinna Vinschen  <corinna@vinschen.de>

	* localtime.cc (__cygwin_gettzoffset): New function for access from
	newlib.
	(__cygwin_gettzname): Ditto.

2015-01-07  Corinna Vinschen  <corinna@vinschen.de>

	* localtime.cc (tzload): Fix loading latest timezone offsets into
	tzinfo from zoneinfo files.  Add comment to explain what we do.
	(tzparse): Add more comments to explain in case of loading timezone
	offset from other sources.