codepage.
* environ.cc (set_file_api_mode): Always set file api to ANSI if not
using the OEM codepage.
(codepage_init): Allow "utf8" codepage.
* fhandler_clipboard.cc (set_clipboard): Convert clipbuf to void and
cast as needed. Always convert input to wide char and write
CF_UNICODETEXT to clipboard.
(fhandler_dev_clipboard::read): Read CF_UNICODETEXT from clipboard and
convert to current codepage if CYGWIN_NATIVE format is not available.
* fhandler_console.cc: Drop redundant undef.
* smallprint.cc (__small_vsprintf): Convert PWCHAR and UNICODE_STRING
to current codepage for printing.
* strfuncs.cc: Use PWCHAR throughout.
(get_cp): Return CP_UTF8 for utf8_cp codepage setting.
(sys_wcstombs): Allow NULL target buffer.
(sys_wcstombs_alloc): New function.
(sys_mbstowcs_alloc): Ditto.
* winsup.h (codepage_type): Add utf8_cp.
(HEAP_NOTHEAP): Define.
(sys_wcstombs_alloc): Declare.
(sys_mbstowcs_alloc): Declare.
(cwdstuff::get_handle): New method.
* path.cc (cwdstuff::set): When doit is true, always try to get
directory handle. Fail if duplicating handle fails. Store handle
in dir. Fix potential SEGV when setting drive_length.
* path.cc (struct smb_extended_info): Define.
(fs_info::update): Request object id info to get Samba information.
Set flags according to new implementation.
* path.h (struct fs_info): Add samba_version to status_flags.
Implement flags() and samba_version() using IMPLEMENT_STATUS_FLAG.
(POSIX_NAMED_PIPE_LEN): Ditto.
(dtable::add_archetype): Use crealloc_abort.
(dtable::init_std_file_from_handle): Specifically detect pipe stdin/stdout.
Pass name to build_fh_dev so that proper name is recorded. Use binmode of fh
if it is set before using get_default_mode. Set proper read/write access when
calling init().
(handle_to_fn): Handle pipes.
* fhandler.cc (fhandler_base::wait_overlapped): Add some debugging.
* fhandler.h (fhandler_base::set_name): Default to just setting the path_conv
name.
(fhandler_pipe::init): Declare.
* pipe.cc (struct pipesync): New struct.
(getov_result): New function. Blocks and retrieves the result of an overlay
I/O operation.
(pipe_handler): New function.
(pipesync::pipesync): New function. Initializer for pipesync struct.
(handler_pipe::init): Define. Detects attempts to set up a "native" pipe
fhandler and creates a thread which accepts input from or output to the
non-cygwin pipe, creating a cygwin pipe wrapper around the non-cygwin pipe.
(fhandler_pipe::create): Add pipe-specific flags to call to init().
* exceptions.cc (ctrl_c_handler): Lock process while we determine what to do.
(initial_env): Use small_printf's %P specifier.
* dll_init.cc (dll_list::alloc): Use PATH_MAX instead of CYG_MAX_PATH
for path name buffer size.
* dll_init.h (struct dll): Ditto.
* environ.cc: Include string.h.
(win_env::add_cache): Use temporary local buffer for path conversion.
(posify): Ditto.
* exceptions.cc (try_to_debug): Use CreateProcessW to allow long path
names.
* miscfuncs.cc: Drop unused implementations of strcasematch and
strncasematch.
(ch_case_eq): Drop.
(strcasestr): Drop.
(cygwin_wcscasecmp): New function.
(cygwin_wcsncasecmp): New function.
(cygwin_strcasecmp): New function.
(cygwin_strncasecmp): New function.
(cygwin_wcslwr): New function.
(cygwin_wcsupr): New function.
(cygwin_strlwr): New function.
(cygwin_strupr): New function.
* ntdll.h (RtlDowncaseUnicodeString): Declare.
(RtlUpcaseUnicodeString): Declare.
(RtlInt64ToHexUnicodeString): Fix typo in comment.
* string.h: Disable not NLS aware implementations of strcasematch
and strncasematch.
(cygwin_strcasecmp): Declare.
(strcasecmp): Define as cygwin_strcasecmp.
(cygwin_strncasecmp): Declare.
(strncasecmp): Define as cygwin_strncasecmp.
(strcasematch):Define using cygwin_strcasecmp.
(strncasematch):Define using cygwin_strncasecmp.
(cygwin_strlwr): Declare.
(strlwr): Define as cygwin_strlwr.
(cygwin_strupr): Declare.
(strupr): Define as cygwin_strupr.
* wchar.h: New file.
* wincap.cc (wincapc::init): Use "NT" as fix OS string.
* winsup.h (strcasematch): Drop declaration.
(strncasematch): Ditto.
(strcasestr): Ditto.
name buffer size.
(dll_crt0_1): Allocate new_argv0 with PATH_MAX size.
* exceptions.cc (debugger_command): Set size to 2 * PATH_MAX + 20;
(error_start_init): Use PATH_MAX instead of CYG_MAX_PATH for path
name buffer size.
* external.cc (fillout_pinfo): Always fill out ep.progname 0-terminated.
Fill out ep.progname_long.
* fhandler_process.cc (fhandler_process::fill_filebuf): Allocate
buffer for executable filename with PATH_MAX size.
* pinfo.cc: Throughout use PATH_MAX instead of CYG_MAX_PATH.
* pinfo.h (class _pinfo): Set progname size to PATH_MAX.
* smallprint.cc: Include limits.h. Use PATH_MAX instead of CYG_MAX_PATH
for path name buffer size.
* strace.cc (strace::vsprntf): Ditto.
* include/sys/cygwin.h (EXTERNAL_PINFO_VERSION_32_LP): Define.
(EXTERNAL_PINFO_VERSION): Set to EXTERNAL_PINFO_VERSION_32_LP.
(struct external_pinfo): Add progname_long member.
* include/sys/dirent.h: Correctly include limits.h instead of
sys/limits.h.
CYG_MAX_PATH for event name buffer size.
(fhandler_pty_master::setup): Use MAX_PATH instead of CYG_MAX_PATH for
mutex name buffer size.
* netdb.cc: Drop old comment.
(open_system_file): Set path buffer size to MAX_PATH instead of
CYG_MAX_PATH. Drop conversion to posix path. Open file using win32
path.
Fix typo in ChangeLog.
throughout for subkey name buffer size.
* fhandler_socket.cc (search_wsa_event_slot): Use MAX_PATH instead of
CYG_MAX_PATH for mutext name buffer size.
(fhandler_socket::init_events): Ditto.
* fhandler_virtual.cc (fhandler_virtual::opendir): Check path length
against PATH_MAX instead of against CYG_MAX_PATH.
* registry.cc (get_registry_hive_path): Use PATH_MAX instead of
CYG_MAX_PATH for registry value path buffer size.
* shared.cc (open_shared): Use MAX_PATH instead of CYG_MAX_PATH
for shared memory name buffer size.
* thread.cc (semaphore::semaphore): Use MAX_PATH instead of CYG_MAX_PATH
for semaphore name buffer size.
* uinfo.cc (cygheap_user::env_userprofile): Use PATH_MAX instead of
CYG_MAX_PATH for temporary path name buffer size.
* winf.h (LINE_BUF_CHUNK): Define as MAX_PATH * 2.
* include/sys/dirent.h: Include sys/limits.h. Define name buffer sizes
using NAME_MAX.
buffer size.
(fhandler_fifo::fstatvfs): Use same technique as in fhandler_socket.
* fhandler_proc.cc (format_proc_partitions): Use NAME_MAX+1 for
device name buffer size. Use MAX_PATH for device path buffer size.
GetModuleFileNameExA.
* fhandler_process.cc (format_process_maps): Change modname type to
WCHAR. Set buffer sizes to PATH_MAX. Call GetModuleFileNameExW
instead of GetModuleFileNameExA. Call mount_info::conv_to_posix_path
instead of cygwin_conv_to_full_posix_path. Set posix_modname to
modname if that call fails.
(format_process_stat): Set cmd buffer size to NAME_MAX + 1. Simplify
setting cmd to process name.
(format_process_status): Ditto.
* path.cc (mount_info::conv_to_posix_path): Call sys_wcstombs
correctly.
CYG_MAX_PATH.
* fhandler_tty.cc (fhandler_pty_master::ptsname): Set buffer size to
TTY_NAME_MAX.
* syscalls.cc (ttyname): Eliminate the `+ 1' from the name buffer size
since TTY_NAME_MAX already counts the trailing NUL.
* libc/bsdlib.cc (openpty): Set pts buffer size to TTY_NAME_MAX.
handling. Use explicit flag values instead of MSG_WINMASK.
(fhandler_socket::send_internal): Use explicit flag values instead of
MSG_WINMASK.
* include/cygwin/socket.h (MSG_WINMASK): Remove definition.
(MSG_WAITALL): Define.
the prefix len in it.
(check_path): Take length parameter. Use this length insetad of
calling strlen. Allow PATH_MAX length paths.
(ipc_mutex_init): Use MAX_PATH instead of CYG_MAX_PATH.
(ipc_cond_init): Ditto.
(shm_open): Allocate local name buffer not bigger than necessary. Call
check_path with additional length argument.
(shm_unlink): Ditto.
(mq_open): Ditto.
(mq_unlink): Ditto.
(sem_open): Ditto.
(sem_unlink): Ditto.
cmalloced linked lists throughout.
(class mmap_record): Add LIST_ENTRY element.
(mmap_record::match): New method, taking over match algorithm from
list::search_record.
(class mmap_list): Rename from class list. Add LIST_ENTRY. Convert
recs to a LIST_HEAD. Drop nrecs and maxrecs members.
(mmap_list::get_record): Drop entirely.
(mmap_list::free_recs): Drop entirely.
(mmap_list::del_record): Take mmap_record to delete as parameter.
(mmap_list::search_record): Convert to mmap_record::match.
(class mmap_areas): Rename from class map. Convert lists to LIST_HEAD.
(mmap_areas::get_list): Drop entirely.
(mmap_areas::del_list): Take mmap_list to delete as parameter.
(mprotect): Fix indentation.
(struct shm_shmid_list): Add ref_count member.
(struct shm_attached_list): Remove hdl and size members. Add a parent
member pointing to referenced shm_shmid_list entry.
(shm_guard): New muto.
(SLIST_LOCK): Define.
(SLIST_UNLOCK): Define.
(fixup_shms_after_fork): Use hdl and size members of parent
shm_shmid_list entry.
(shmat): Access sequential bookkeeping lists in a thread safe way.
Accommodate change in list element layout. Align comments.
(shmctl): Ditto.
(shmdt): Ditto.
(shmget): Ditto.
(get_cygdrive_prefixes): Remove.
(cygwin_internal): Call get_cygdrive_info with NULL flag parameters
instead of get_cygdrive_prefixes.
* path.cc (mount_info::get_cygdrive_info): Allow NULL flag parameters.
get_initial, and fixup_after_exec declarations.
Convert win32 to UNICODE_STRING.
(cwdstuff::get_drive): Convert win32 path in current codepage.
(cwdstuff::set): Take native NT path.
* ntdll.h (struct _TEB): Typedef.
* path.cc (mount_info::conv_to_posix_path): Add variant taking
wide char DOS paths.
(symlink_info::posixify): Simplify concatenating cwd and relative path.
(hash_path_name): Drop special relative path handling.
(chdir): Drop special "drive only" handling. Call cwdstuff::set with
native path.
(cwdstuff::get_hash): Remove.
(windows_system_directory): Remove.
(_upp): Remove.
(get_user_proc_parms): Make inline. Get PEB pointer by calling
NtCurrentTeb.
(cwdstuff::init): Simplify.
(cwdstuff::set): Rework to handle incoming native NT path. Workaround
a Vista problem with CWD handle in the user process parameter block.
(cwdstuff::get): Simplify locking. Accommodate type change of win32.
* shared_info.h (mount_info): Add declaration for new conv_to_posix_path
method.
* strfuncs.cc (sys_wcstombs): Return correct length of created
multi-byte string.
(off_current): New static variable.
(off_append): Ditto.
(fhandler_base::raw_write): Use NtWriteFile. Accommodate O_APPEND here.
(fhandler_base::write): Drop O_APPEND hack. Use NT functions.
(fhandler_base::lseek): Rewrite using NT functions.
* fhandler_disk_file.cc (fhandler_disk_file::fstatvfs): Add space in
debug output.
(fhandler_disk_file::ftruncate): Ditto.
* ntdll.h (STATUS_DISK_FULL): Define.
(FILE_USE_FILE_POINTER_POSITION): Define.
(FILE_WRITE_TO_END_OF_FILE): Define.
* path.cc (symlink_info::check_shortcut): Use NT function to get file
size. Reintroduce checking file size before reading it. Eliminiate
close_it label.
(symlink_info::check_sysfile): Check for EOF condition.
be able to keep SYMLINK_MAX sized strings.
(symlink_worker): Rework for long path names. When writing windows
shortcuts, store pathname additionally "hidden" after the actual
shortcut data to workaround size limitations of the description field.
(symlink_info::check_shortcut): Drop file name parameter. Drop max
file size check. Use NT functions. Use appended full path if
available, description otherwise. Check symlink string length for
not exceeding SYMLINK_MAX. Don't close file here.
(symlink_info::check_sysfile): Drop file name parameter. Use NT
functions. Check symlink string length for not exceeding SYMLINK_MAX.
Don't close file here.
(symlink_info::check_reparse_point): Drop file name parameter. Drop
useless length checks. Allow SYMLINK_MAX length symlink strings.
Don't close file here.
(symlink_info::posixify): Allow SYMLINK_MAX length symlink strings.
(symlink_info::check): Turn around checking for symlink file attributes.
Use NT functions. Close symlink file here.
* include/limits.h (PATH_MAX): Define as 32760. Change comment.
(SYMLINK_MAX): Define as PATH_MAX - 1.
too. Don't write to file and especially don't close handle if file
couldn't be created. Set delete disposition if writing failed,
instead of calling unlink_nt.
(mmap64): ...define as local pointer to make mmap thread-safe.
Accommodate throughout. Only initialize fh_disk_file after file could
be opened with GENERIC_EXECUTE access. Call fstat_by_handle instead of
fstat to avoid overhead.
(NtQueryAttributesFile): Move to maintain alphabetical order of
declarations. Add comment to note that timestamp information returned
by NtQueryAttributesFile is unreliable.
* path.h (etc::changed_h): Move here.
(etc::fn): Change type to OBJECT_ATTRIBUTES.
(etc::last_modified): Change type to LARGE_INTEGER.
(etc::init): Take PUNICODE_STRING as second argument.
* path.cc: Accomodate above changes.
(etc::test_file_change): Use NT native functions.
(etc::dir_changed): Ditto.
* uinfo.cc (pwdgrp::load): Call etc::init with NT native path.
(CreateDesktopA): Define.
(SetThreadDesktop): Define.
* spawn.cc (spawn_guts): When starting a process under another user
account, don't open up permissions on current window station and
desktop. Instead, if not in interactive session, create a new per-user
window station plus default desktop and use that for the child process.
mode bit by setting the SYSTEM attribute.
* fhandler_socket.cc (fhandler_socket::fchmod): Add S_IFSOCK mode bit
when calling fhandler_disk_file::fchmod. Don't set attributes here.
(RtlUpcaseUnicodeChar): Declare.
* path.cc (hash_path_name): Split into three functions, taking
the path as char *, PWCSTR, or PUNICODE_STRING. Move implementation
into PUNICODE_STRING-based function. Drop old drive-relative path
consideration.
* winsup.h (iswdirsep): Like isdirsep but for WCHARs.
(isabspath_u): Like isabspath, for PUNICODE_STRINGs.
(iswabspath): Like isabspath, for PWCHARs.
(hash_path_name): Add new declarations.
have no native NT path representation for simplified debug output.
* syscalls.cc: Convert debug output to print native NT path.
(unlink): Drop redundant debug output.
* fhandler_disk_file.cc (fhandler_disk_file::link): Drop extern
declaration of stat_suffixes. Use NT native path in debug output.
(fhandler_base::utimes_fs): Simplify closeit case. Use close_fs
to close newly opened file handle.
(fhandler_base::open_fs): Use NT native path in debug output.
* path.cc: Throughout drop extern declaration of stat_suffixes.
* path.h (stat_suffixes): Declare.
* sec_acl.cc (acl_worker): Drop extern declaration of stat_suffixes.
* times.cc (utimes_worker): Take path_conv as parameter instead of
single-byte pathnam, drop nofollow argument, accommodate throughout.
Compare UNICODE paths when enumerating file descriptors. Fix
formatting. Use NT native path in debug output.
* delqueue.cc: Delete.
* fhandler.h (fhandler_base::close_fs): Drop declaration.
(fhandler_disk_file::close): Drop declaration.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Call close instead of
close_fs.
(fhandler_base::fstat_helper): Use open FH_UNIX handle in call to
get_file_attribute.
(fhandler_base::open_fs): Call close instead of get_file_attribute.
(fhandler_disk_file::close): Remove.
(fhandler_base::close_fs): Remove.
* fhandler_socket.cc (fhandler_socket::close): Just call
fhandler_base::close for FH_UNIX sockets.
* shared.cc (user_shared_initialize): Drop call to
user_shared->delqueue.init.
* shared_info.h (CURR_USER_MAGIC): Change according to below change.
(MAX_DELQUEUES_PENDING): Remove.
(class delqueue_list): Remove.
(class user_info): Remove delqueue.
* syscalls.cc (close_all_files): Drop call to
user_shared->delqueue.process_queue.
(unlink): Drop delqueue handling.
(STATUS_OBJECT_PATH_NOT_FOUND): Define.
(STATUS_BUFFER_OVERFLOW): Define.
(FILE_SUPERSEDED): Define.
(FILE_OPENED): Define.
(FILE_CREATED): Define.
(FILE_OVERWRITTEN): Define.
(FILE_EXISTS): Define.
(FILE_DOES_NOT_EXIST): Define.
(PIO_APC_ROUTINE): Typedef.
(NtFsControlFile): Fix parameter types to use PIO_APC_ROUTINE.
(NtWriteFile): Declare.
(RtlInt64ToHexUnicodeString): Declare.
* strfuncs.cc: Include ntdll.h.
(RtlInt64ToHexUnicodeString): New function.
* syscalls.cc (try_to_bin): Rewrite using native NT functions.
Only try to create recycle bin after unsuccessfully trying to move
file. Also try to create special files in recycle bin so that Windows
Explorer isn't unnecessarily stampeded.
separators, require them to be existing directories if so. Check
for a request to change only the case of the filename. Check paths
for case insensitve equality only once. Handle renaming a directory
to another, existing directory by unlinking the destination directory
first. If newpath points to an existing file with R/O attribute set,
try to unset R/O attribute first. Augment hardlink test by not
checking directories. If renaming fails with STATUS_ACCESS_DENIED,
try to unlink existing destination filename and try renaming again.
Drop useless test for non-empty directory. Always close fh at the
end of the function.
trying to rename it. Use nfh handle when checking for non-empty
newpath directory. Only change status if check_dir_not_empty really
returns STATUS_DIRECTORY_NOT_EMPTY.
oldpath and newpath referring to the same file. Test if oldpath
has more than one hardlink before opening oldpath (idea by Eric Blake).
Reorder test so that file id is tested before volume serial number.
* syscalls.cc (check_dir_not_empty): New static function.
(unlink_nt): Move code checking for non-empty dir to check_dir_not_empty
and call check_dir_not_empty instead.
(rename): Add fault handler. Check oldpath and newpath for trailing
. and .. path components and return EINVAL if so. Check oldpath
for being on a vrtual file system. If renaming a dir fails with
STATUS_ACCESS_DENIED, check if the target dir is non-empty and return
ENOTEMPTY if so.
for binary in case of .exe files.
* ntdll.h (RtlPrefixUnicodeString): Declare.
* path.cc (path_conv::is_binary): New method.
* path.h (path_conv::is_binary): Declare.
* syscalls.cc (rename_append_suffix): New static helper function for
rename.
(rename): Rewrite. New suffix tests. Use native NT functions.
opened for reading the ACLs, fall back to faking them.
* sec_acl.cc (acl_worker): Handle non-existing files.
* security.cc (get_file_attribute): Return ILLEGAL_UID/ILLEGAL_GID
as owner/group for non-readable ACLs on file systems supporting them.
FileAttributes set to 0 when calling NtSetInformationFile since it has
a special meaning.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::link): Only set attributes after copying files.
Use SetFileAttributesW.
* syscalls.cc (unlink_nt): Only care for actual FILE_ATTRIBUTE_READONLY.
Don't allow FileAttributes set to 0 when calling NtSetInformationFile.
After marking for deletion, restore R/O attribute on files to
accommodate hardlinks.
(fhandler_base::utimes_fs): Fix white space.
(fhandler_disk_file::lock): Remove 9x blurb from comment.
(fhandler_disk_file::mkdir): Use NtCreateFile/NtClose instead of
CreateDirectoryA.
(fhandler_disk_file::rmdir): Accommodate changes to unlink_nt.
Simplify post-delete SMB-related tests. Use NtQueryAttributesFile
instead of GetFileAttributes.
* ntdll.h (STATUS_DIRECTORY_NOT_EMPTY): Define.
(NtQueryAttributesFile): Declare.
* syscalls.cc (unlink_nt): Return NTSTATUS. Drop setattrs parameter.
Never use FILE_DELETE_ON_CLOSE, always use
NtSetInformationFile(FileDispositionInformation) instead.
Check for R/O attributes and open file with FILE_WRITE_ATTRIBUTES
access if any of them are set. Remove R/O attributes before
marking for delete if necessary. Revert them afterwards if necessary.
(unlink): Accommodate changes to unlink_nt.
(fhandler_disk_file::fchmod): Always try to open file with required
access rights. Use NtSetInformationFile instead of SetFileAttributes.
(fhandler_disk_file::facl): Use NtSetInformationFile instead of
SetFileAttributes.
(fhandler_base::utimes_fs): Change lastaccess and lastwrite to
LARGE_INTEGER. Drop 9x directory case. Use NtSetInformationFile
instead of SetFileAttributes. Drop temporarily changing R/O attribute
since NtSetInformationFile(FileBasicInformation) also works on R/O
files.
* ntdll.h (STATUS_NOT_SUPPORTED): Define.
class.
* exceptions.cc (_cygtls::inside_kernel): Move function definition into _cygtls
class.
* fhandler.cc (fhandler_base::wait_overlapped): Make return tri-state to detect
when there is a EINTR situation. Add a pointer to a length parameter. Move
GetOverlappedResult into this function.
(fhandler_base::read_overlapped): Accommodate above changes and loop if we
receive a restartable signal.
(fhandler_base::write_overlapped): Ditto.
* fhandler.h (fhandler_base::wait_overlapped): Reflect above changes.
* fhandler_fifo.cc (fhandler_fifo::wait): Ditto.
parameters to be the same as for RtlInitEmptyUnicodeString.
(RtlEqualPathPrefix): New inline function.
(RtlEqualPathSuffix): New inline function.
* fhandler_disk_file.cc: Accommodate parameter order change of
RtlInitEmptyUnicodeString throughout.
(fhandler_disk_file::link): Do path checking in unicode. Call
CopyFileW instead of CopyFileA.
* fhandler_disk_file.cc (fhandler_disk_file::link): Drop GetBinaryType
test. Just check exe suffix instead. Tune creating new file name.
Implement creating hard link using native NT functions which works
on all platforms.
* ntdll.h (STATUS_INVALID_DEVICE_REQUEST): Define.
(struct _FILE_LINK_INFORMATION): Define.
RtlSplitUnicodePath.
(fhandler_disk_file::fstat): Rename oret to opened. Open file using NT
functions right here. Try to open parent dir instead of root directory
to avoid call to rootdir. Use NtFsControlFile.
* ntdll.h (RtlSplitUnicodePath): Define.
* fhandler.cc (fhandler_base::open): Ditto. Add READ_CONTROL to
access and FILE_OPEN_FOR_BACKUP_INTENT to create_options when opening
for writing. Always set security attributes to avoid calling
has_acls.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Don't try to
open file twice.
readdir_get_ino.
* fhandler.h (fhandler_disk_file::readdir_helper): Switch file name
parameter to PUNICODE_STRING.
* fhandler_disk_file.cc: Drop including ntdef.h.
(class __DIR_mounts): Store mount points in UNICODE. Additionally
store cygdrive prefix in unicode here. Change methods accordingly.
(__DIR_mounts::eval_ino): Call new stat_worker instead of lstat64.
(__DIR_mounts::~__DIR_mounts): New destructor to free UNICODE buffers.
(path_conv::ndisk_links): Rewrite using native NT functions.
(fhandler_base::fstat_by_handle): Use NAME_MAX instead of CYG_MAX_PATH.
Always set pfvi->VolumeSerialNumber to non-0. Remove last resort
code.
(fhandler_base::fstat_by_name): Rewrite using native NT functions.
(fhandler_base::fstat_fs): Always call fstat_by_name if fstat_by_handle
fails.
(fhandler_base::fstat_helper): Rely on dwVolumeSerialNumber.
(fhandler_disk_file::facl): Call fstat_by_name if fstat_by_handle fails.
(DIR_BUF_SIZE): Define using NAME_MAX instead of CYG_MAX_PATH.
(__DIR_cache): Remove __name.
(d_dirname): Remove.
(fhandler_disk_file::opendir): Drop pathname length check.
Remove outdated comment. Use get_name method instead of accessing
pc.normalized_path directly.
(readdir_get_ino): Drop unused dir parameter. Accomodate throughout.
Allocate fname dynamically. Call new stat_worker instead of lstat64.
Call NtOpenFile instead of CreateFile. Call NtClose instead of
CloseHandle.
(fhandler_disk_file::readdir_helper): Use native NT functions.
Check for volume mount points and use correct inode number.
(fhandler_disk_file::readdir): Simplify slightly.
Use get_name instead of pc.normalized_path.
(fhandler_disk_file::rewinddir): Use RtlInitUnicodeString.
(fhandler_cygdrive::fstat): Ignore floppy drives. Set st_nlink
correctly.
(fhandler_cygdrive::readdir): Ignore floppy drives.
* fhandler_netdrive.cc (fhandler_netdrive::readdir): Accommodate
change to readdir_get_ino.
* fhandler_proc.cc (PROC_DIR_COUNT): Define.
(fhandler_proc::fstat): Evaluate correct link count for /proc.
* ntdll.h (struct _FILE_DIRECTORY_INFORMATION): Define.
(NtFsControlFile): Declare.
(RtlAppendUnicodeToString): Declare.
(RtlAppendUnicodeStringToString): Declare.
(RtlCompareUnicodeString): Declare.
(RtlCopyUnicodeString): Declare.
(RtlCreateUnicodeStringFromAsciiz): Declare.
(RtlEqualUnicodeString): Declare.
(RtlFreeUnicodeString): Declare.
(RtlInitEmptyUnicodeString): Declare.
(RtlSecondsSince1970ToTime): Declare.
(RtlInitEmptyUnicodeString): Define as inline function.
(RtlInitCountedUnicodeString): Define as inline function.
* path.cc (path_conv::check): New method with PUNICODE_STRING as path,
preliminary implementation.
(mount_info::get_mounts_here): Change to create UNICODE_STRINGs.
Also copy cygpath prefix into UNICODE_STRING.
(is_floppy): Drop 9x consideration.
* path.h: Drop including ntdef.h.
(path_conv::check): Add declaration.
(path_conv::path_conv): Add constructor for UNICODE_STRING paths.
* shared_info.h (mount_info::get_mounts_here): Change declaration.
* syscalls.cc: Drop forward declaration of stat_worker.
(stat_worke): Take path_conv as parameter. Drop nofollow flag.
(stat64): Create matching path_conv and call stat_worker with it.
(lstat64): Ditto.
* winsup.h: Include ntdef.h.
(stat_worker): Declare.
(readdir_get_ino): Change declaration.
of access control functions throughout.
* fhandler_disk_file.cc: Ditto.
* fhandler_registry.cc: Ditto.
* sec_acl.cc: Drop unnecessary includes.
(setacl): Take path_conv instead of file name as parameter.
Accommodate interface changes of access control functions.
(getacl): Ditto.
* sec_auth.cc: New file, taking over all authentication related
functions from security.cc.
* sec_helper.cc: Drop unnecessary includes.
* security.cc: Ditto. Move all authentication related functions to
sec_auth.cc.
(ALL_SECURITY_INFORMATION): New define. Use throughout.
(set_file_sd): New function, replacing read_sd and the file related
part of get_nt_object_security.
(get_reg_sd): Rename from get_reg_security. Drop type parameter.
(get_reg_attribute): New function, replacing the registry related part
of get_nt_object_security.
(get_file_attribute): Take path_conv instead of file name as parameter.
Use new get_file_sd call.
(set_file_attribute): Ditto plus new set_file_sd. Drop unnecessary
implementation without uid/gid parameters.
(check_file_access): Take path_conv instead of file name as parameter.
Use new get_file_sd call.
(check_registry_access): Use new get_reg_sd call.
* security.h: Accommodate above interface changes.
NtQueryFullAttributesFile instead of FindFirstFile.
(fhandler_base::fstat_fs): Drop check for exec_state. Drop check for
invalid characters.
* ntdll.h (struct _FILE_NETWORK_OPEN_INFORMATION): Define.
(NtQueryFullAttributesFile): Declare.
variables. Call pc.get_object_attr to create object attributes.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
* syscalls.cc (unlink_nt): Ditto.
* path.cc (path_conv::set_normalized_path): Set wide_path to NULL.
(path_conv::get_nt_native_path): Drop parameter. Create path in
wide_path/uni_path members.
(path_conv::get_object_attr): New method to create object attributes.
(path_conv::get_wide_win32_path): New method to create Win32 wide path.
(path_conv::check): Initialize wide_path to NULL.
(path_conv::~path_conv): cfree wide_path.
* path.h (class path_conv): New members wide_path and uni_path.
Add declarations of get_object_attr and get_wide_win32_path.
(path_conv::path_conv): Initialize wide_path to NULL.
(path_conv::get_nt_native_path): Drop parameter.
* security.cc (alloc_sd): Set security descriptor control flag without
calling SetSecurityDescriptorControl function.
* wincap.h (wincapc::has_dacl_protect): Rename from
has_security_descriptor_control.
* wincap.cc: Ditto throughout.
* pinfo.cc (pinfo::set_acl): Use NtSetSecurityObject instead of
SetKernelObjectSecurity.
* spawn.cc (spawn_guts): Use NtSetSecurityObject instead of
SetUserObjectSecurity.
* uinfo.cc (cygheap_user::init): Ditto.
* mmap.cc (mlock): Accommodate parameter change in call to
push_thread_privilege.
(munlock): Ditto.
* ntdll.h (STATUS_NOT_ALL_ASSIGNED): Define.
(NtAdjustPrivilegesToken): Declare.
* sec_helper.cc (cygpriv): Reorder to match numerical privilege order.
(privilege_luid): Take job of privilege_luid_by_name, using new
cygpriv.
(privilege_luid_by_name): Remove.
(privilege_name): Accommodate new cygpriv array.
(set_privilege): Call NtAdjustPrivilegesToken to avoid using advapi32.
Accommodate changes to privilege_name.
(set_cygwin_privileges): Simplify. Don't try to set
SE_CREATE_GLOBAL_PRIVILEGE on systems not supporting it.
* security.cc (sys_privs): Reorder to match numerical privilege order.
Use real privilege values as defined in security.h.
(get_system_priv_list): Drop unused grp_list argument. Create
list of privileges according to new wincapc::max_sys_priv value.
(get_priv_list): Call privilege_luid instead of privilege_luid_by_name.
Make priv a local value instead of a pointer.
(create_token): Accommodate parameter change in call to
push_self_privilege.
(lsaauth): Ditto.
(check_access): Use privilege values directly instead of calling
privilege_luid.
* security.h: Define real privilege values.
(cygpriv_idx): Remove.
(privilege_luid): Change declaration.
(privilege_luid_by_name): Drop declaration.
(set_privilege): Change declaration.
(set_process_privilege): Drop definition.
(_push_thread_privilege): Accomodate new set_privilege parameters.
* wincap.h (wincapc::max_sys_priv): New element.
* wincap.cc: Implement above element throughout.
(wincap_2000sp4): New wincaps structure.
(wincap_xpsp1): Ditto.
(wincap_xpsp2): Ditto.
(wincapc::init): Use new wincaps.
(wincapc::max_sys_priv): New element.
(shared_prefix_buf): Add static buffer for shared prefix to avoid
additional allocation.
* cygheap.cc (cygheap_init): Set cygheap->shared_prefix to
cygheap->shared_prefix_buf and strcpy.
Accommodate changge throughout Cygwin.
(cygheap_user::imp_token): Rename from token. Accommodate changge
throughout Cygwin.
(rcygheap_user::eimpersonate): Use primary token for impersonation.
* grp.cc (internal_getgroups): Use primary impersonation token when
impersonated.
* security.h (_push_thread_privilege): Use primary impersonation token
when impersonated.
(dll_entry): Remove assignment to deleted variable.
* winsup.h (in_dllentry): Delete declaration.
* exceptions.cc (inside_kernel): Use another method to see if we are in
dll_entry phase.
(sys_sigabbrev): New array of signal strings, patterned after linux.
(siglist): Use __signals.
* cygwin/include/cygwin/signal.h (sys_sigabbrev): Define.
* cygwin/include/cygwin/version.h: Bump API minor version to 177.
* utils/Makefile.in (kill.exe): Remove reliance on libiberty.
* utils/kill.cc (strsigno): New function patterned after libiberty but using
newly exported cygwin array.
* fhandler.h (dirent_valid_fd): Drop.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): If opening a
real dir, use the underlying fhandler to keep track of the directory
handle. In fdopendir case use original io_handle from fhandler. Use
fhandler's io_handle in subsequent directory functions throughout.
Create handle non-inheritable and set close-on-exec flag.
(readdir_get_ino): Drop dirent_isroot case.
(fhandler_disk_file::readdir): Handle dirent_isroot case here.
(fhandler_disk_file::rewinddir): Revert change from 2007-07-05. Use
NtClose instead of CloseHandle.
* fhandler_virtual.cc (fhandler_virtual::opendir): Drop adding
dirent_valid_fd flag. Set close-on-exec flag.
libiberty.
* random.cc: Import from FreeBSD. Modify for Cygwin environment.
* include/cygwin/stdlib.h (random): Reflect change in return value to be more
linux/freebsd-like.
(srandom): Ditto.
* dir.cc (opendir): Call fhandler's opendir with fd set to -1.
(fdopendir): New function.
(seekdir64): Use dirent_info_mask.
(rewinddir): Ditto.
(closedir): Only release underlying file descriptor if it has been
reserved by opendir itself.
* fhandler.cc (fhandler_base::opendir): Accommodate new parameter.
* fhandler.h (dirent_states): Add dirent_valid_fd and dirent_info_mask.
(fhander_XXX::opendir): Add file descriptor parameter. Use regparms.
(fhandler_procnet::opendir): Drop declaration.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
If called from fdopendir, use existing handle to re-open directory
with valid flags. Rename fd to cfd. Use only if no valid incoming fd.
(fhandler_cygdrive::opendir): Accommodate new parameter.
* fhandler_process.cc (fhandler_process::opendir): Ditto.
* fhandler_procnet.cc (fhandler_procnet::opendir): Drop definition.
* fhandler_virtual.cc (fhandler_virtual::opendir): Accommodate new
parameter. Only create new file descriptor entry if called from
opendir. Remove duplicated setting of dir->__flags.
* posix.sgml: Add fdopendir to list of implemented Solaris functions.
* include/cygwin/version.h: Bump API minor number.
* include/sys/dirent.h: Declare fdopendir.
(CURR_SHARED_MAGIC): Ditto.
(class shared_info): Add heap_slop_inited member.
* shared.cc (shared_info::heap_slop_size): Use heap_slop_inited to
track initializing heap_slop since 0 is a valid value for heap_slop.
Drop useless < 0 consideration.
* cygwin.din: Export freeifaddrs, getifaddrs.
* fhandler_socket.cc (fhandler_socket::ioctl): Drop SOCKET parameter
from get_ifconf.
* net.cc: Include ifaddrs.h.
(in_are_prefix_equal): Match addresses in network byte order.
(ip_addr_prefix): Convert address into host byte order before
testing with IN_LOOPBACK.
(struct ifall): Define.
(get_xp_ifs): Replace get_xp_ifconf. Return struct ifall array.
(get_2k_ifs): Ditto, replace get_2k_ifconf.
(get_nt_ifs): Ditto, replace get_nt_ifconf.
(getifaddrs): New function.
(freeifaddrs): New function.
(get_ifconf): Call matching get_XX_ifs function and create
ifc content from here. Drop lo fake since it's now in get_nt_ifs.
* posix.sgml: Add freeifaddrs and getifaddrs to list of implemented
BSD functions.
* wincap.h (wincapc::has_broken_if_oper_status): New element.
* wincap.cc: Implement above element throughout.
* include/ifaddrs.h: New file.
* include/cygwin/version.h: Bump API minor number.
* cygwin.din (confstr): Make NOSIGFE.
(insque): Export.
(remque): Export.
* lsearch.cc: Remove superfluous _SEARCH_PRIVATE define.
* posix.sgml: Move insque to defined SUSv3 interfaces. Remove
comment for remque.
* include/search.h: Remove _SEARCH_PRIVATE guarded definitions.
Add struct qelem definition. Add insque and remque declarations.
* include/cygwin/version.h: Bump API minor number.
* include/sys/queue.h: Remove insque/remque definitions so as not
to collide with SUSv3 compatible declaration in search.h.
* libc/xsique.cc: New file implementing insque and remque.
* posix.sgml (confstr): Move to list of implemented SUSv3 functions.
* sysconf.cc (confstr): Implement.
* include/cygwin/version.h: Bump API minor number.
correctly for 64 bit file access. Comment out functionality.
* fhandler.cc (fhandler_base::open): Don't set append_mode.
(fhandler_base::write): Check for O_APPEND instead of append_mode.
Call SetFilePointer correctly for 64 bit file access. Handle
errors from SetFilePointer.
* fhandler.h (class fhandler_base): Drop append_mode status flag.
* fhandler_disk_file.cc (fhandler_base::fstat_helper): Handle
seeking correctly for 64 bit file access.
shared_prefix depending only on terminal service capability.
* dcrt0.cc (dll_crt0_1): Don't call set_cygwin_privileges here.
* fhandler_fifo.cc (fhandler_fifo::open): Create the mutex as global
object.
* posix_ipc.cc (ipc_mutex_init): Use cygheap->shared_prefix.
(ipc_cond_init): Ditto.
* sec_helper.cc (privilege_name): Make static. Use LookupPrivilegeName
directly to be independent of the state of cygheap.
(set_privilege): Take a LUID as parameter instead of an index value.
Only print debug output in case of failure.
(set_cygwin_privileges): Add comment. Use LookupPrivilegeValue to
get privilege LUIDs.
(init_global_security): Call set_cygwin_privileges here.
* security.h (privilege_name): Drop declaration.
(set_privilege): Declare according to above change.
(set_process_privilege): Call privilege_luid to get LUID.
(_push_thread_privilege): Ditto.
* shared.cc (open_shared): Add comment. On systems supporting the
SeCreateGlobalPrivilege, try to create/open global shared memory first.
Fall back to local shared memory if that fails.
* thread.cc (semaphore::semaphore): Use cygheap->shared_prefix.
* wincap.h (wincapc::has_create_global_privilege): New element.
* wincap.cc: Implement above element throughout.
proc file content.
(format_proc_uptime): Simplify.
(format_proc_cpuinfo): Align more closely to output of Linux 2.6 kernel.
Evaluate more data, especially for AMD CPUs.
st_birthtim to useful value.
* fhandler_process.cc (fhandler_process::fstat): Ditto.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Take
additional parameter for creation time. Fill st_birthtim with it.
Accomodate additional creation time parameter throughout.
* fhandler_raw.cc (fhandler_dev_raw::fstat): Set new stat member
st_birthtim to useful value.
* fhandler.cc (fhandler_base::fstat): Ditto.
* fhandler_registry.cc (fhandler_registry::fstat): Ditto.
* include/cygwin/version.h: Bump API minor number.
* include/cygwin/stat.h (struct __stat64): Replace st_spare4 with
timestruc_t st_birthtim.
(struct stat): Ditto if __CYGWIN_USE_BIG_TYPES__ is defined.
(st_birthtime): Define if __CYGWIN_USE_BIG_TYPES__ is defined.
(cwdstuff::init): Don't call close_user_proc_parms_cwd_handle.
Call set to set cwd with all-sharing handle.
(cwdstuff::set): Fix comment. Don't close cwd handle. Set in
user parameter block instead and close old cwd handle.
* syscalls.cc (rename): Call unlink_nt instead of RemoveDirectory or
DeleteFile to allow deleting shared files/directories.
case of query_open flag set to query_read_control. Add case for
new query_read_attributes flag.
(fhandler_base::fstatvfs): New method.
* fhandler.h (enum query_state): Add query_read_attributes flag.
(class fhandler_base): Declare new virtual fstatvfs method.
(class fhandler_socket): Ditto.
(class fhandler_pipe): Ditto.
(class fhandler_fifo): Ditto.
(class fhandler_disk_file): Ditto.
(class fhandler_virtual): Ditto.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Open with
query_read_attributes instead of query_read_control.
(fhandler_disk_file::fstatvfs): New method.
(fhandler_disk_file::facl): Open with query_read_attributes instead of
query_read_control.
* fhandler_fifo.cc (fhandler_fifo::fstatvfs): New method.
* fhandler_socket.cc (fhandler_socket::fstatvfs): New method.
(fhandler_socket::fchmod): Return with EBADF in the default case.
(fhandler_socket::fchown): Ditto.
(fhandler_socket::facl): Ditto.
* fhandler_virtual.cc (fhandler_virtual::fstatvfs): Ditto.
* ntdll.h (struct _FILE_FS_ATTRIBUTE_INFORMATION): Define.
(struct _FILE_FS_FULL_SIZE_INFORMATION): Define.
* pipe.cc (fhandler_pipe::fstatvfs): New method.
* syscalls.cc (fstatvfs): Just call the fhandler's fstatvfs.
(statvfs): Ditto.
(fstatfs): Call fstatvfs.
(statfs): Drop EFAULT handling.
* mmap.cc (gen_access): Remove.
(mmap_record::gen_access): Remove.
(mmap64): Don't mention 9x any longer.
* syscalls.cc (statvfs): Drop status code consideration for 9x.
* libc/minires-os-if.c (get_registry_dns_items): Don't mention 9x any
longer.
(get_registry_dns): Drop getting registry key on 9x. Drop is9x
variable.
/dev/null, /dev/comX and /dev/ttySx.
* devices.cc: Regenerate.
* fhandler.cc (fhandler_base::open_9x): Remove.
(fhandler_base::open): Don't test for DOS device name, don't call
open_9x.
(fhandler_dev_null::open): Remove.
* fhandler.h (class fhandler_base): Drop open_9x declaration.
(class fhandler_dev_null): Drop open declaration.
* dir.cc (rmdir): Add existance check to be errno-compatible with Linux.
* fhandler_disk_file.cc (fhandler_disk_file::rmdir): Drop test for
non-existent dir on 9x share.
* syscalls.cc (unlink): Add comment.
* wincap.cc: Remove access_denied_on_delete flag throughout.
* wincap.h: Ditto.
Increase size of stack reserved and increase size before the current stack
pointer. Use pointers when doing arithmetic.
(dll_crt0_1): Initialize exception handler when we notice we're the child of a
fork from non-main thread.
* fork.cc (frok::parent): Make argument volatile.
(frok::child): Ditto.
(lock_signals): New class.
(lock_pthread): Ditto.
(hold_everhthing): Ditto.
(frok::parent): Move atforkprepare and atforkparent to lock_pthread class.
(fork): Make ischild boolean. Use hold_everything variable within limited
scope to set various mutexes in such a way as to avoid deadlocks.
* thread.h (pthread_mutex::tid): New variable, active when debugging for
tracking thread id of owner.
(pthread_mutex::set_owner): Set tid when debugging.
* thread.cc (pthread_mutex::pthread_mutex): Clear tid.
(pthread_mutex::_unlock): Ditto when unlocking.
(pthread_mutex::fixup_after_fork): Set tid to special value after forking since
owner is unknown.
the capabilities of NT4.
(wincap_95): Remove.
(wincap_95osr2): Remove.
(wincap_98): Remove.
(wincap_98se): Remove.
(wincap_me): Remove.
(wincap_nt3): Remove.
(wincapc::init): Temporarily bail out on any 9x system.
* posix_ipc.cc: Include thread.h and semaphore.h. Remove TODO
comment.
(ipc_names): Add max_len member. Set to maximum length of the path
before tacking on the prefix path. Set prefix path for named semaphors
to /dev/shm, as on Linux.
(enum ipc_type_t): Change sem to semaphore to avoid name conflicts.
(check_path): Detect empty paths. Use ipc_names's max_len member.
Use __small_sprintf to create full object path name. Special case
semaphores.
(ipc_cond_init): Drop superfluous strcpy.
(class ipc_flock): New class to simplify file locking in subsequent
code.
(struct mq_hdr): Raise size of mqh_uname to allow adding a unique
LUID to the name.
(mq_open): Fix formatting. Create unique synchronization object names
using AllocateLocallyUniqueId.
(struct sem_finfo): New structure defining named semaphore file content.
(sem_open): Move here. Rework implementation to allow kernel
persistent implementation of POSIX named semaphores.
(_sem_close): Implement sem_close.
(sem_close): Move here. Just call _sem_close with do_close parameter
set to true.
(sem_unlink): New function.
* pthread.cc (mangle_sem_name): Remove.
(sem_open): Move to posix_ipc.cc.
(sem_close): Ditto.
* syscalls.cc (close_all_files): Call semaphore::terminate here.
* thread.cc: Fix formatting. Rearrange semaphore functions so that
they are close together.
(semaphore::semaphore): Rework to play nicely with new named semaphore
implementation.
(semaphore::_terminate): Call _sem_close if semaphore is a named
semaphore.
(semaphore::destroy): Don't destroy named semaphores. Return EINVAL
instead.
(semaphore::close): Only destroy named semaphores. Return EINVAL
otherwise.
(semaphore::open): Rework to play nicely with new named semaphore
implementation. Loop through existing semaphores to be able to
return same sem_t pointer as a former call on the same named semaphore.
(semaphore::getinternal): New function called from _sem_close.
* thread.h (class List): Make mx and head public.
(class semaphore): Fix formatting. Align method declarations with
implementation in thread.cc. Add members used for named semaphores.
(semaphore::terminate): New static method.
* include/semaphore.h: Redefine SEM_FAILED. Fix formatting.
(sem_unlink): Add declaration.
* include/cygwin/version.h: Bump API minor number.
(ipc_cond_init): Ditto.
(struct mq_hdr): Add mqh_uname member to store synchronization object
name.
(mq_open): Create unique synchronization object name and store in
mq_hdr->mqh_uname. Use this name in calls to ipc_mutex_init and
ipc_cond_init.
Corinna Vinschen
Christopher Faylor
Dave Korn
Brian Dessent
Eric Blake