* fhandler_disk_file.cc: Ditto.
(fhandler_base::fstat_by_nfs_ea): Use fattr3 from path_conv member,
unless called from fstat.
* path.cc: Drop including nfs.h.
(symlink_info::check): Rearrange definition of file info buffers.
Fetch fattr3 info for files on NFS and store in conv_hdl for later
use in fhandler_base::fstat_by_nfs_ea. Use fattr3 file type to
recognize symlink on NFS and try to fetch symlink target only for
actual symlinks.
* path.h: Include nfs.h.
(class path_conv_handle): Change file info storage to union of
FILE_NETWORK_OPEN_INFORMATION and fattr3 structures.
(path_conv_handle::fnoi): Align to aforementioned change.
(path_conv_handle::nfsattr): New method.
(path_conv::nfsattr): New method.
potentially set pgid since it is smarter about deciding if a process is in the
background.
* include/sys/cygwin.h (PID_ORPHANED): Actually delete as planned.
(PID_NOTCYGWIN): Correctly define.
* autoload.cc: Add all advapi32 entry points.
* mount.cc (mount_info::init): Read user fstab only if we have a
username.
* passwd.cc (pwdgrp::read_passwd): Only use username if we have one.
* shared.cc (user_info::initialize): Set cb last so as not to override
planned behaviour in pwdgrp::read_passwd.
* uinfo.cc (cygheap_user::init): Fetch Windows username from environment
variable $USERNAME. Don't set name in cygheap if variable is empty.
(internal_getlogin): If we still have no username, try GetUserNameW.
condition. Fix comment about availability. Move remaining comment to
the right spot. Drop has_ip_helper_lib condition.
* net.cc (cygwin_setsockopt): Drop has_disabled_user_tos_setting
condition. Fix comment.
(get_2k_ifs): Fix comment.
(get_nt_ifs): Remove.
(getifaddrs): Drop call to get_nt_ifs.
(get_ifconf): Ditto.
* wincap.cc: Throughout, drop has_ip_helper_lib,
has_disabled_user_tos_setting, and has_exclusiveaddruse settings from
wincaps.
(wincap_unknown): Remove.
(wincap_nt4): Remove.
(wincap_minimal): New macro, set to wincap_nt4sp4 for now.
(wincapc::init): Drop test for pre-SP4 NT4. Just imply at least NT SP4.
Replace references to wincap_unknown with references to wincap_minimal.
* wincap.h (struct wincaps): Drop has_ip_helper_lib,
has_disabled_user_tos_setting, and has_exclusiveaddruse flags and
methods.
and function name. Make functions which are available on all supported
systems non-optional. Fix return value on entry points imported from
secur32.dll. Add comment.
(std_dll_init): Call fesetenv unconditionally.
* fhandler_disk_file.cc (fhandler_disk_file::facl): Handle ENOSYS and
point to the explanation.
* ntdll.h (STATUS_NOT_IMPLEMENTED): Define.
* path.cc (symlink_info::check): Handle the inability of NT4 to use
FileNetworkOpenInformation on share root dirs in either direction.
* path.h (slash_unc_prefix_p): Remove unused declaration.
* security.cc (get_info_from_sd): Handle ENOSYS from get_file_sd.
Explain when this happens.
* libc/minires.c (res_nsend): Use the Windows resolver if appropriate.
(dn_expand): Only set errno in case of error. Delete old comments.
(dn_skipname): Fix typo in comment.
FILE_READ_EA, even when opening with O_WRONLY to allow fstat.
* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): Call
FlushFileBuffers if file has been opened for writing. Explain why.
(fhandler_base::fstat_by_handle): Renew content of pc.fnoi if called
via fstat. Explain why. Fix formatting.
* path.cc (symlink_info::check): Try to open file the second time with
FILE_READ_EA permissions since it's needed in later calls to
fhandler_base::fstat_by_nfs_ea.
* spawn.cc (spawn_guts): Set a flag when a process is not a cygwin process.
* fhandler_tty.cc (fhandler_tty_slave::init): Remove previous change. Try a
different method to determine when we should become the process group owner.
* signal.cc (kill0): Remove archaic code which dealt with never-set flag.
determine when a process should grab control of a tty's pgid. Use
being_debugged() for consistency.
* debug.h (being_debugged): Remove vestige of win9x accommodation.
(wincapc::has_buggy_thread_startup): Ditto.
* wincap.cc::wincap_*): Accommodate has_buggy_thread_startup.
(wincapc::init): Explicitly turn off has_buggy_thread_startup if not WOW64.
* cygthread.h (cygthread::thread_handle): Declare/define new method.
* dcrt0.cc (_dll_crt0): Don't call __sinit here.
(dll_crt0_0): Don't call sigproc_init during initialization if
wincap.has_buggy_thread_startup().
(dll_crt0_1): Defer sigproc_init to here when
wincap.has_buggy_thread_startup(). Call __sinit after we've determined that
we're not forking.
(__main): Rework comments. Add potential future reminder.
and fstat_by_... methods to private.
(fhandler_base::fstat_helper): Drop all redundant arguments.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Drop call
to fstat_by_nfs_ea here. Drop fetching basic file information.
Drop setting file attributes. Accommodate change in fstat_helper call.
(fhandler_base::fstat_by_name): Simplify. Only fetch directory
information to get the inode number. Drop setting file attributes.
Accommodate change in fstat_helper call.
(fhandler_base::fstat_fs): Call fstat_by_nfs_ea if on NFS.
(fhandler_base::fstat_helper): Drop all redundant arguments. Use
information already collected in the fhandler. Move heading comment
into code and drop dwFileAttributes comment.
* mmap.cc (mmap64): Call fstat_fs rather than fstat_by_handle.
* mount.cc (fs_info::update): Note that has_buggy_basic_info is unused.
* path.cc (symlink_info::check_reparse_point): Add comment.
(symlink_info::check): Fetch FileNetworkOpenInformation rather than
FileBasicInformation throughout, except on NFS. Explain why. Store
FILE_NETWORK_OPEN_INFORMATION in conv_hdl. Remove
FILE_ATTRIBUTE_DIRECTORY attribute in conv_hdl for reparse point
symlinks.
* path.h (class path_conv_handle): Add FILE_NETWORK_OPEN_INFORMATION
member _fnoi.
(path_conv_handle::fnoi): New accessor method for _fnoi.
(path_conv::fnoi): New accessor method for cubv_hdl._fnoi.
* fhandler_tty.cc (fhandler_tty_slave::init): Use tty::setpgid method.
(acl32): Implement acl_worker functionality here.
(lacl32): Just return -1 with errno set to ENOSYS.
(lacl): Ditto.
* include/cygwin/acl.h (lacl): Remove this call.
* dcrt0.cc (dll_crt0_0): Move sigproc initialization later to ensure everything
we need has been set up.
(dll_crt0_1): Streamline some logic slightly.
* sigproc.cc (no_signals_available): Add back dropped test for macro parameter.
* fhandler_console.cc (fhandler_console::write): Show a little bit of what's
being written to the console in debugging output.
more generally available.
(stop_transaction): Ditto.
(unlink_nt): Potentially start transaction when trying to delete file
with DOS R/O attribute set. If file is .lnk symlink, check for number
of hardlinks. Add "out" label and only return via "out". Rearrange
reversion of DOS R/O attribute and, on success, only revert R/O
attribute if file is .lnk symlink with more than one hardlink. Add
length comment to explain why.
instead of ACL_DEFAULT_SIZE.
* sec_acl.cc (setacl): Use TLS buffer to allow maximum ACL size.
* security.h (ACL_DEFAULT_SIZE): Drop definition.
(ACL_MAXIMUM_SIZE): Define.
(SD_MAXIMUM_SIZE): Define.
* security.cc (get_file_sd): Allocate security_decscriptor with size
SD_MAXIMUM_SIZE.
(alloc_sd): Use TLS buffer to allow maximum ACL size.
information.
(fs_info::update): Check FileFsVolumeInformation against filesystem
cache and use it, if filesystem is already available. Add filesystem
to cache, if not. Only request FileFsObjectIdInformation if
FILE_SUPPORTS_OBJECT_IDS is set in filesystem flags.
* ntdll.h (struct _FILE_FS_VOLUME_INFORMATION): Add pragma pack so the
structure size is matching the OS expectations. Add __dummy member
used in filesystem cache.
GetSecurityInfo only if justcreated is true, NtQuerySecurityObject
otherwise. Add comment to explain why. Don't waste time to call
NtQuerySecurityObject twice, just allocate big enough area.
(get_file_attribute): Call get_file_sd with justcreated set to false.
(set_file_attribute): Call get_file_sd with justcreated depending on
S_JUSTCREATED pseudo file attribute.
(check_file_access): Call get_file_sd with justcreated set to false.
* sec_acl.cc (setacl): Ditto.
(getacl): Ditto.
* security.h: Convert many functions to regparm functions.
(get_file_sd): Declare with extra bool parameter.
(HARDDISK_PREFIX): Move.
(GLOBALROOT_PREFIX): Define.
(get_device_name): Take GLOBALROOT_PREFIX into account.
Improve check for path to allow filesystem access via block devices.
Potentially drop \\.\ prefix if resulting path is a valid DOS
pathname.
(do_pathconv): Make sure to drop \\?\ prefix only if path is
actually a filesystem based path.
(print_version): Fix copyright.
__name.
* cygthread.h (cygthread::cygthread): Create versions which eliminate 'n'
parameter.
* dcrt0.cc (dll_crt0_1): Remove check for threadfunc_ix. Remove obsolete
comments. Set process_state to active here.
* fhandler_netdrive.cc (create_thread_and_wait): Use shortened cygthread
constructor.
* timer.cc (timer_tracker::settime): Ditto.
* window.cc (HWND): Ditto.
* fhandler_tty.cc: Use shortened cygthread constructor, where appropriate,
throughout.
* select.cc: Ditto.
* fork.cc (frok::child): Remove wait_for_sigthread.
(fork): Reformat if for slightly better clarity.
* init.cc (dll_finished_loading): New variable.
(dll_entry): Use dll_finished_loading to determine when we should call
merge_threadfunc.
* sigproc.cc (no_signals_available): Simplify by using my_readsig.
(wait_sig_inited): Delete.
(wait_sig): Define as void function.
(pending_signals): Accommodate change to wait_sig definition.
(wait_for_sigthread): Delete definition.
(sigproc_init): Initialize signal pipe here, before wait_sig thread is created.
Use void form of cygthread creation.
(init_sig_pipe): Delete.
(wait_sig): Return void rather than DWORD. Assume previous initialization of
signal pipe. Set my_sendsig to NULL when exiting.
* sigproc.h (wait_for_sigthread): Delete declaration.
(MsgWaitForMultipleObjects): Remove.
* select.cc (select_stuff::wait): Use MsgWaitForMultipleObjectsEx with
QS_ALLPOSTMESSAGE and, if possible, MWMO_INPUTAVAILABLE flags. Explain
why. Fix a potential crash due to a NULL pointer in WAIT_FAILED case.
(peek_windows): Use filter pattern on NT4. Explain why.
* wincap.h (wincaps::has_mwmo_inputavailable): New element.
* wincap.cc: Implement above element throughout.
Include throughout files using LoadLibrary function.
* cygcheck.cc (dump_sysinfo): Retrieve kernel32.dll handle via
GetModuleHandle, rather than using LoadLibrary.
* cygpath.cc (get_long_name): Ditto.
(do_sysfolders): Append .dll suffix in LoadLibrary call.
* ldh.cc (WinMain): Use LoadLibraryExW with DONT_RESOLVE_DLL_REFERENCES
to avoid loading malicious library code.
* locale.cc (print_locale_with_codeset): Change way to retrieve
kernel32.dll path.
(struct dll_info): Convert name to WCHAR.
(std_dll_init): Load DLLs with full path to windows system directory.
Add hint to Microsoft security advisory.
* dcrt0.cc (init_windows_system_directory): New function.
(dll_crt0_0): Call init_windows_system_directory first.
* exceptions.cc (windows_system_directory): Move to globals.cc.
(windows_system_directory_length): Ditto.
(events_init): Drop code fetching windows_system_directory.
* globals.cc (windows_system_directory): New global variable.
(windows_system_directory_length): Ditto.
* net.cc (load_ipv6_funcs): Use windows_system_directory rather than
GetSystemDirectoryW.
* netdb.cc (open_system_file): Ditto. Simplify debug output.
reversion to pre-1.7.6 behaviour.
(ov-new1.7.6): Deprecate description of CWD handling.
* pathnames.sgml (pathnames-win32-api): Rewrite to reflect new CWD
behaviour.
(cygwin_internal): Drop CW_SYNC_WINCWD case.
* globals.cc (ro_u_pipedir): New R/O unicode string.
* ntdll.h (RtlSetCurrentDirectory_U): Declare.
* path.cc (cwdstuff::set): Improve comments. Drop setting Win32 CWD to
\\?\PIPE\ on init. Keep Win32 CWD in sync, if possible. Set to
\\?\PIPE\ otherwise.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Revert to 230.
* include/sys/cygwin.h (cygwin_getinfo_types): Remove CW_SYNC_WINCWD.
* include/oleacc.h (STATE_SYSTEM_HASPOPUP, STATE_SYSTEM_NORMAL,
STATE_SYSTEM_PROTECTED): Define.
Thank you to Marcus von Appen for reporting the issue.
* include/sspi.h (QuerySecurityContextToken): Define.
* lib/secur32.def: Regenerate using gendef on a Win7 machine.
Thank you to Magnus Hagander for reporting the issue.
* include/winbase.h (COPY_FILE_OPEN_SOURCE_FOR_WRITE,
COPY_FILE_ALLOW_DECRYPTED_DESTINATION, COPY_FILE_COPY_SYMLINK,
COPY_FILE_NO_BUFFERING): Define.
Thank you to Roland Schwingel for reporting the issue.
* include/winbase.h (GetEnvironmentStrings, GetEnvironmentStringsA): Per
MSDN, change return type to LPCH.
(GetEnvironmentStringsW): Per MSDN, change return type to LPWCH.
* winnt.h: Fix several SUBLANG ID errors (ref:
http://msdn.microsoft.com/en-us/library/dd318693(VS.85).aspx).
(SUBLANG_UI_CUSTOM_DEFAULT): 0x05, not 0x03.
(SUBLANG_HAUSA_NIGERIA): Bad ID name, correct one is ...
(SUBLANG_HAUSA_NIGERIA_LATIN): ... this.
(SUBLANG_INUKTITUT_CANADA_LATIN): 0x02, not 0x01.
(SUBLANG_IRISH_IRELAND): 0x02, not 0x01.
(SUBLANG_LAO_LAO_PDR): Bad ID name, correct one is ...
(SUBLANG_LAO_LAO): ... this.
(SUBLANG_LOWER_SORBIAN_GERMANY): 0x02, not 0x01.
(SUBLANG_SAMI_SKOLT_FINLAND): 0x08, not 0x03.
(SUBLANG_SAMI_INARI_FINLAND): 0x09, not 0x03.
(SUBLANG_SYRIAC_SYRIA): define as SUBLANG_SYRIAC (what MSDN mentions).
(SUBLANG_TIGRIGNA_ERITREA): 0x02, not 0x01.
(SUBLANG_BENGALI_INDIA): 0x01, not 0x00.
(SUBLANG_BENGALI_BANGLADESH): 0x02, not 0x01.
(SUBLANG_PUNJABI_INDIA): 0x01, not 0x00.
(SUBLANG_PUNJABI_PAKISTAN): not defined in MSDN.
(SUBLANG_ROMANIAN_ROMANIA): 0x01, not 0x00.
(SUBLANG_ROMANIAN_MOLDOVA): not defined in MSDN.
is_volume_mountpoint. Return valid d_type value for underlying
reparse point type.
(readdir_get_ino): Don't rely on the handle set in pc.check. Open
file here if pc.handle() is NULL.
(fhandler_disk_file::readdir_helper): Try to set a correct d_type value
more diligent.
(fhandler_disk_file::readdir): Don't reset dirent_set_d_ino unless
we're really sure it's due to an untrusted FS. Simplify usage of
FileAttributes, which is 0 if buf is NULL, anyway. Set d_type
correctly for faked "." and ".." entries. Improve debug output.
* path.cc (symlink_info::check): Don't keep handle to volume mount
point open. Explain why.
Add note and xrefs to User's Guide chapters explaining restrictions
using the Win32 API.
* new-features.sgml (ov-new1.7.6): Add note about Win CWD.
* overview2.sgml (ov-hi-intro): Add note and xrefs about Win32 API
restrictions. Tone down flexibility.
* pathnames.sgml (pathnames-intro): Add xref to pathnames-win32-api
section.
(pathnames-win32-api): New section describing Win32 CWD restriction.
* setup2.sgml (setup-env-ov): New sub-section.
(setup-env-win32): Ditto, describing Win32 environment restriction.
Add "error" member.
(cwdstuff::get_error): New inline method.
(cwdstuff::get_error_desc): Declare.
(cwdstuff::set): Change first parameter to pointer to path_conv.
* path.cc (chdir): Drop doit. Align call to cwdstuff::set to
new arguments.
(cwdstuff::init): Only call cwdstuff::set if it's not already
initialized. Add comment. Drop third parameter in call to
cwdstuff::set.
(cwdstuff::set): Partially rewrite. Add lots of comments to explain
everything. Drop "doit" since it's not used anymore. Always create
new handle to CWD if not in a virtual path. Drop PEB locking when
reading PEB values in init phase. Check for accessibility to set
correct error code. Drop Vista workaround. Never write back into PEB.
Set Win32 CWD to \\?\PIPE\ on init. Simplify creation of win32 path.
Set new error member to a meaningful value.
(cwdstuff::get_error_desc): New method to generate error message
from cwd error code.
* spawn.cc (spawn_guts): Call cwdstuff::get_error_desc to create
more meaningful error message when not being able to start native
Win32 app due to CWD restrictions. When starting native Win32 app,
lock cwd and use in calls to CreateProcessW/CreateProcessAsUserW.
* hires.h: Change hires_us to hires_ns, with nanosecond resolution.
(hires_ns::primed_ft): Remove.
(hires_ns::nsecs): New prototype.
(hires_ns::usecs): Rewrite in terms of nsecs.
(hires_ns::resolution): New prototype.
* times.cc: Change hires_us to hires_ns.
(ntod): Declare.
(systime): Remove.
(hires_ns::prime): Increase resolution to nanoseconds.
(hires_ns::nsecs): Rename usecs to nsecs to reflect increased resolution.
Remove justdelta argument.
(hires_ns::resolution): New function.
(clock_gettime): Accept CLOCK_MONOTONIC.
Use EINVAL instead of ENOSYS per POSIX.1-2004.
(clock_getres): Ditto.
(clock_setres): Use EINVAL instead of ENOSYS to conform with other
implementations.
* strace.cc (strace::microseconds): Adjust for hires_ns.
* sysconf.cc (sca): Set _SC_MONOTONIC_CLOCK to _POSIX_MONOTONIC_CLOCK.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
(format_proc_filesystems): New function.
* mount.cc (fs_names): Move to global scope. Redefine as array
of { "name", block_device? } structs.
(fillout_mntent): Use name member of fs_names.
* mount.h (fs_names): New prototype.
relative DOS path conversion. Simplify fixing the path.
In CCP_POSIX_TO_WIN_W conversion, always drop long path prefix if path
fits into MAX_PATH. Explain why.
when choosing to defer signal.
(_cygtls::call_signal_handler): Grab func when we have the lock.
* gendef: Update copyright.
(__sigbe): Simplify slightly.
(_sigdelayed): Grab a lock before manipulating stuff.
(_cygtls::pop): Properly return popped value.
(stabilize_sig_stack): Set incyg when we have the lock.
* sigproc.cc: Update copyright.
(cygthread::create): Rename from cygthread::cygthread.
(cygthread::cygthread): Define new constructor which accepts
LPVOID_THREAD_START_ROUTINE as the first argument. Call cygthread::create.
* cygthread.cc (cygthread::create): Rename from cygthread::cygthread. Use
'arglen' rather than 'n' since 'n' is no longer supplied.
* fhandler_tty.cc (process_input): Define as void/noreturn.
(process_output): Ditto.
(process_ioctl): Ditto.
(fhandler_tty_master::init): Don't "zap_h" cygthreads which are noreturn. It's
now implied.
Corinna Vinschen
Christopher Faylor
Pierre Humblet
Dave Korn
Chris Sutcliffe
Keith Marshall
Yaakov Selkowitz
Andy Koppe