Commit Graph

520 Commits

Author SHA1 Message Date
Corinna Vinschen 7d0a7940e6 * path.cc (symlink_info::check_shortcut): If file can't be opened,
treat it as non-symlink rather than generating an EIO error.
	(symlink_info::check_sysfile): Ditto.
2008-08-20 10:53:54 +00:00
Corinna Vinschen 2b41d940ca * path.cc (symlink_info::check): Don't use eabuf when trying to open
file a second time.  Call NtOpenFile instead of NtCreateFile in this
	case.
2008-08-15 10:19:12 +00:00
Corinna Vinschen 88797e5979 * external.cc (cygwin_internal): Call set_security_attribute with
additional path_conv argument.
	* fhandler.cc (fhandler_base::open): Ditto.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Never set DOS
	R/O attribute when using ACLs.
	(fhandler_disk_file::mkdir): Ditto.  Set
	security descriptor on remote dirs after creating the dir, same as in
	fhandler_base::open.
	* fhandler_socket.cc (fhandler_socket::bind): Ditto for remote AF_LOCAL
	socket files.
	* path.cc (symlink_worker): Ditto. for remote symlinks.
	* security.cc (alloc_sd): Take additional path_conv argument.
	Accommodate throughout.  Drop setting FILE_WRITE_EA/FILE_READ_EA
	flags unconditionally (was only necessary for "ntea"). Don't set
	FILE_READ_ATTRIBUTES and FILE_WRITE_ATTRIBUTES unconditionally on
	Samba.  Add comment to explain.  Drop useless setting of
	STANDARD_RIGHTS_WRITE, it's in FILE_GENERIC_WRITE anyway.
	Remove FILE_READ_ATTRIBUTES bit from FILE_GENERIC_EXECUTE so as not
	to enforce read permissions on Samba.
	(set_security_attribute): Take additional path_conv argument.
	* security.h (set_security_attribute): Change prototype accordingly.
2008-08-14 14:05:04 +00:00
Corinna Vinschen 3462d736b6 * path.cc (symlink_info::check): Handle (and explain) a special case
when accessing files matching DOS device names on SMB shares.
2008-07-31 14:48:28 +00:00
Corinna Vinschen d79a78e5c8 * fhandler_disk_file.cc (fhandler_base::fstat_by_name): Check for
file systems incapable of handling FileIdBothDirectoryInformation
	correctly.
	(fhandler_disk_file::opendir): Ditto.
	* path.cc (fs_info::update): Always clear at the start.
	Rearrange to make certain tests only on non-Samba, non-NFS remote
	drives.
	Add test for file systems known to be incapable of handling
	FileIdBothDirectoryInformation correctly.  Right now that's just
	"UNIXFS".
	* path.h (struct fs_info): Add has_buggy_fileid_dirinfo flag and
	accessor methods.
	(class path_conv): Add has_buggy_fileid_dirinfo method.
2008-07-30 14:41:59 +00:00
Corinna Vinschen 1d011c0a68 * dcrt0.cc (dll_crt0_0): Call malloc_init and user_shared_initialize_1
here in case we're dynamically loaded.  Explain why.
	(dll_crt0_1): Call user_shared_initialize_1 from here.
	* mount.cc (is_native_path): New inline function testing for native
	and long Win32 path prefix.
	(is_unc_share): Remove long WIn32 path prefix test.
	(mount_info::create_root_entry): Use PATH_MAX buffer.
	(mount_info::init): Ditto.
	(mount_info::add_item): Test for is_native_path as well.
	* path.cc (normalize_win32_path): Simplify native path prefix code.
	* shared.cc (user_shared_initialize_1): New function taking user
	shared initialization code relying on malloc and cygtls.
	(user_shared_initialize): Move mountinfo initialization to
	user_shared_initialize_1.
	* shared_info.h (user_shared_initialize_1): Declare.
	* syscalls.cc (seteuid32): Call user_shared_initialize_1 after user
	changed.
2008-07-25 15:23:56 +00:00
Corinna Vinschen 520fcc9747 * shared.cc (user_shared_initialize): Fetch potentially changed Cygwin
username from /etc/passwd before loading mount table.
	(shared_info::init_installation_root): New function fetching Cygwin's
	installation root dir and storing as native NT path in global shared
	memory.
	(shared_info::initialize): Call init_installation_root exactly once at
	first startup.
	* shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info.
	(CURR_SHARED_MAGIC): Ditto.
	(class shared_info): Add installation_root member.
	(shared_info::init_installation_root): Declare.

	* grp.cc (pwdgrp::read_group): Call pwdgrp::load with native WCHAR path.
	* passwd.cc (pwdgrp::read_passwd): Ditto.  Avoid recursion.
	(etc::init): Take POBJECT_ATTRIBUTES instead of path_conv.
	* path.h (etc::init): Change prototype accordingly.
	* pwdgrp.h (class pwdgrp): Store path as UNICODE_STRING/PWCHAR instead
	of as path_conv.
	(pwdgrp::load): Accommodate prototype.
	* uinfo.cc (pwdgrp::load): Change argument type from char to wchar_t.
	Create native NT path here instead of calling path_conv.

	* mount.cc (find_root_from_cygwin_dll): Drop in favor of global
	initializaion in shared_info.
	(mount_info::init): Fetch native NT root dir from cygwin_shared.
	(mount_info::from_fstab): Expect native NT path and use native NT
	functions to access file.  Convert username part in user fstab path
	according to special char transformation rules.
	* path.cc (tfx_chars): Convert slash to backslash.
	(transform_chars): Implement for path given as PWCHAR.
	(transform_chars): PUNICODE_STRING version calls PWCHAR version.
	Remove useless commented code.
2008-07-24 18:25:52 +00:00
Corinna Vinschen a0c53f920f * path.cc (allow_winsymlinks): Revert default to create system bit
symlinks for speed.
2008-07-16 21:08:22 +00:00
Corinna Vinschen e4b575030b Add case-sensitivity.
Unconditionally handle mount points case-sensitive.
	Unconditionally handle virtual paths case-sensitive.
	Unconditionally handle registry paths case-insensitive.
	Otherwise, accommodate case-sensitivity of given path throughout.
	* cygheap.cc (cygheap_root::set): Get additional caseinsensitive
	parameter and store it.
	* cygheap.h (struct cygheap_root_mount_info): Add member
	caseinsensitive.
	* dlfcn.cc (get_full_path_of_dll): Drop PC_NOFULL parameter from call
	to path_conv::check.
	* environ.cc (pcheck_case): Remove.
	(check_case_init): Remove.
	(known): Drop "check_case" option.
	* exceptions.cc (open_stackdumpfile): Add comment.
	* fhandler.cc (fhandler_base::get_default_fmode): Call pathmatch
	instead of strcasematch.
	* fhandler_disk_file.cc: Accommodate case-sensitivity of given path
	throughout.
	(__DIR_mounts::check_mount): Unconditionally check virtual paths
	case-sensitive.
	(fhandler_disk_file::link): Drop case clash handling.
	(fhandler_disk_file::open): Ditto.
	(fhandler_disk_file::readdir_helper): Drop managed mount code.
	* mount.cc: Remove managed mount code and datastructures.
	(struct opt): Remove "managed" option.  Add "posix=0" and "posix=1"
	options.
	(fillout_mntent): Remove "managed" output.  Add "posix" output.
	* path.cc (struct symlink_info): Remove case_clash member and
	case_check method.
	(pcheck_case): Remove.
	(path_prefix_p): Take additional bool parameter "caseinsensitive".
	(pathnmatch): Ditto.
	(pathmatch): Ditto.
	(mkrelpath): Ditto.
	(fs_info::update): Set caseinsensitive flag according to file system
	name and FILE_CASE_SENSITIVE_SEARCH flag.  Add comment.
	(tfx_chars_managed): Remove.
	(transform_chars): Drop "managed" parameter.  Always use tfx_chars.
	(get_nt_native_path): Drop "managed" parameter.  Make sure drive letters
	are always upper case.
	(getfileattr): Change second parameter to denote caseinsensitivity.
	(path_conv::check): Initialize caseinsensitive to OBJ_CASE_INSENSITIVE.
	Set caseinsensitive according to global obcaseinsensitive flag, file
	system case sensitivity and MOUNT_NOPOSIX mount flag.
	Drop case_clash and all the related code.
	(symlink_worker): Drop case clash handling.
	(symlink_info::set): Drop setting case_clash.
	(symlink_info::case_check): Remove.
	(cwdstuff::set): Add comment.
	(etc::init): Take path_conv instead of PUNICODE_STRING as parameter to
	allow case sensitivity.
	* path.h (enum pathconv_arg): Drop PC_SYM_IGNORE.
	(enum case_checking): Remove.
	(enum path_types): Drop PATH_ENC, add PATH_NOPOSIX flag.
	(struct fs_info): Add caseinsensitive flag and accessor methods.
	(class path_conv): Add caseinsensitive member and define
	objcaseinsensitive method.  Drop case_clash member and isencoded method.
	(pathmatch): Change prototype according to above change.
	(pathnmatch): Ditto.
	(path_prefix_p): Ditto.
	(get_nt_native_path): Ditto.
	(class etc): Ditto.
	(fnunmunge): Remove prototype.
	* shared.cc (shared_info::init_obcaseinsensitive): Initialize
	obcaseinsensitive flag from obcaseinsensitive registry value.
	(shared_info::initialize): Call init_obcaseinsensitive here by the
	first process creating the shared memory.
	* shared_info.h (mount_item::fnmunge): Remove.
	(shared_info::obcaseinsensitive): Rename from obcaseinsensitivity.
	(shared_info::init_obcaseinsensitive): Declare.
	* syscalls.cc (try_to_bin): Add comment.
	* include/sys/mount.h (MOUNT_ENC): Remove flag.
	(MOUNT_NOPOSIX): Add flag.
2008-07-16 20:20:45 +00:00
Corinna Vinschen e2406d71aa Throughout drop allow_ntsec and allow_smbntsec handling.
* environ.cc (set_ntsec): Remove.
	(set_smbntsec): Remove.
	(known): Remove ntsec and smbntsec options.
	* external.cc (check_ntsec): Return true if no filename is given.
	* mount.cc (oopts): Add "acl" and "noacl" options.  Set MOUNT_NOACL
	flag accordingly.
	(fillout_mntent): Handle MOUNT_NOACL flag.
	* path.h (enum path_types): Add PATH_NOACL.
	* security.cc (allow_ntsec): Remove.
	(allow_smbntsec): Remove.
	* security.h (allow_ntsec): Drop declaration.
	(allow_smbntsec): Drop declaration.
	* include/sys/mount.h (MOUNT_NOACL): Define.
2008-07-14 20:22:03 +00:00
Corinna Vinschen bb82bbe6ff * path.cc (path_conv::is_binary): Fix test. Add comment. 2008-07-02 14:00:27 +00:00
Corinna Vinschen 24790b9cdb * path.cc (get_nt_native_path): Drop considerations for DOS devices.
Keep relative paths relative.
	(cygwin_conv_path): Don't try to skip native NT prefixes on relative
	paths.
2008-06-11 14:06:05 +00:00
Corinna Vinschen 362ce9fa99 * path.cc (symlink_info::check): Reorder test for nfs symlinks. 2008-05-24 09:54:32 +00:00
Corinna Vinschen 6afd630106 * fhandler_disk_file.cc (fhandler_disk_file::opendir): Don't try to
use FileIdBothDirectoryInformation on NFS shares.  Fix comment to
	explain why.
	* path.cc (symlink_info::check): Reinstantiate no_ea.  Use in
	erroneously changed condition.
2008-05-23 17:22:18 +00:00
Christopher Faylor 7cd4542873 * mount.cc (mount_info::from_fstab): Use cygwin_hmodule rather than trying to
find handle based on cygwin1.dll.
* path.cc (symlink_info::check): Remove unused variable.
2008-05-23 15:33:03 +00:00
Corinna Vinschen 1870c68806 * path.cc (symlink_info::check): Define eabuf and easize outside of
loop.  Set to NULL on first STATUS_EAS_NOT_SUPPORTED.  Align comments.
	Fix formatting.
2008-05-23 11:00:35 +00:00
Christopher Faylor 81adfe2862 * path.cc (symlink_info::check): Don't pass EaBuffer to NtCreateFile if it has
indicated that it isn't appropriate.
* ntdll.h (STATUS_EAS_NOT_SUPPORTED): Define.
* winsup.h: Remove __builtin* defines.
2008-05-23 07:13:47 +00:00
Corinna Vinschen b72918135c * path.cc (cygwin_conv_path): Define tp before setting up faul handler.
* syscalls.cc: Ditto, throughout.
	(gen_full_path_at): Add bool parameter to allow NULL pathname.
	(futimesat): Allow NULL pathname as GLIBC.
2008-05-22 11:18:46 +00:00
Corinna Vinschen 380b8bac12 * fhandler_disk_file.cc (get_ino_by_handle): Rename pfai to fai.
(fhandler_base::fstat_by_handle): Drop fai_size and pfai in favor of
	static struct fai_buf.  Restructure.
	(fhandler_base::fstat_by_name): Drop fvi_size and pfvi.  Drop fdi_size
	and pfdi in favor of static struct fdi_buf.  Drop redundant test for
	existance.  Use FileDirectoryInformation class instead of
	FileBothDirectoryInformation.  Drop call to NtQueryVolumeInformationFile
	in favor of using pc.fs_serial_number ().  Fix FileId information given
	to fstat_helper.
	(fhandler_disk_file::fstatvfs): Drop fvi_size, pfvi, fai_size and pfai.
	Drop getting FileFsVolumeInformation and FileFsAttributeInformation in
	favor of using the related path_conv info.
	(fhandler_disk_file::opendir): Fix comment.
	(fhandler_disk_file::readdir): Ditto.  Use FileDirectoryInformation
	class instead of FileBothDirectoryInformation.
	* path.cc (fs_info::update): Store MaximumComponentNameLength in new
	member name_len.
	* path.h (struct fs_info): Use ULONG rather than DWORD.  Add member
	name_len to store MaximumComponentNameLength.  Add accessor methods.
	(path_conv::fs_name_len): New method.
2008-05-21 10:23:19 +00:00
Corinna Vinschen 0d3f365881 * fhandler.h (dirent_states): Add dirent_nfs_d_ino state and add it to
dirent_info_mask.
	* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set
	dirent_nfs_d_ino flag for NFS shares.  Explain why.
	(fhandler_disk_file::readdir): Use FileNamesInformation instead of
	FileBothDirectoryInformation info class on NFS clients not supporting
	the FileIdBothDirectoryInformation info class.  Use local pointers to
	accommodate different offsets.
	* path.cc (symlink_info::check): Don't test directories for symlinks
	on NFS shares.  Enhance comment.
2008-05-21 09:02:42 +00:00
Corinna Vinschen 28259ba2dd * path.cc (symlink_worker): Fix EA buffer size info given to
NtCreateFile.
	(symlink_info::check_nfs_symlink): Get 64K buffer for EA buffer.
	Change EA buffer size info given to NtQueryEaFile accordingly.
2008-05-20 18:26:45 +00:00
Corinna Vinschen c44e0ba1f5 * path.cc (symlink_info::check_shortcut): Minimize requested file
access flags.
	(symlink_info::check_sysfile): Ditto.  Add missing `else'.
	(symlink_info::check): Only retry to open file if first try failed
	with access denied.
2008-05-20 18:19:32 +00:00
Corinna Vinschen 4c5627e7e2 * path.cc (fs_info::update): Re-add opening the unsplitted path
for fillout_mntent's sake.
2008-05-20 17:18:08 +00:00
Corinna Vinschen fe6934da14 * Makefile.in (DLL_OFILES): Add nfs.o.
* fhandler.cc (fhandler_base::open): Open files on NFS shares with
	correct access flags and EAs.
	* fhandler.h (fhandler_base::fstat_by_nfs_ea): Declare.
	* fhandler_disk_file.cc (fhandler_base::fstat_by_nfs_ea): New method.
	(fhandler_base::fstat_by_handle): Call fstat_by_nfs_ea for files on
	NFS shares.
	(fhandler_disk_file::fchmod): Use NFS specific method to set mode for
	files on NFS shares.  Don't overrule errno from call to
	set_file_attribute with errno from NtSetInformationFile call.
	(fhandler_disk_file::fchown): Add comment.
	* mount.cc (fillout_mntent): Accommodate change in second parameter
	to fs_info::update.
	* nfs.cc: New file.
	* nfs.h: New file.
	* path.cc (fs_info::update): Take handle instead of bool as second
	parameter.  Use that handle if it's not NULL.  Only close handle if
	it has been opened here.  Use static defined buffers instead of
	alloca'd buffers.
	(path_conv::check): Call symlink_info::check with reference to fs.
	Don't call fs.update here if file exists.
	(conv_path_list): Prefer tmp_pathbuf buffer over using alloca.
	(symlink_worker): Use NFS specific method to create symlinks on NFS
	shares.  Prefer tmp_pathbuf buffer over using alloca.
	(symlink_info::check_shortcut): Reopen file from incoming handle
	with necessary FILE_GENERIC_READ flag.  Prefer tmp_pathbuf buffer over
	using alloca.
	(symlink_info::check_sysfile): Ditto.
	(symlink_info::check_reparse_point): Use tmp_pathbuf buffer to
	allocate REPARSE_DATA_BUFFER.
	(symlink_info::check_nfs_symlink): New method.
	(enum symlink_t): Remove.
	(symlink_info::check): Don't use NtQueryAttributesFile.  Rather, open
	file with necessary access flags and call NtQueryInformationFile.  Fix
	error handling in case file can't be opened.  For existing files, call
	fs_info::update here.  Restructure symlink checking to accommodate the
	fact that the file is already open.  Add case for NFS symlinks.
	* path.h (fs_info::update): Take handle instead of bool as second
	parameter.
2008-05-20 15:11:23 +00:00
Corinna Vinschen c211f8eb24 * path.cc (path_conv::check): Free wide_path and normalized_path if
necessary.
	* path.h (path_conv::path_conv): Set wide_path, normalized_path and
	normalized_path_size to 0 in all constructors.
2008-05-20 10:18:12 +00:00
Corinna Vinschen a9e9da89fa * path.cc (path_conv::set_normalized_path): Drop strip_tail argument.
Never strip trailing dots and spaces.
	* (path_conv::check): Accomodate above change.
	* path.h (path_conv::operator=): Ditto
	* dtable.cc (build_fh_dev): Ditto.
	* fhandler.h (fhandler_base::set_name): Ditto.

	* path.cc (transform_chars): Disable converting trailing dots and
	spaces.

	* path.cc (path_conv::check): Remove two disabled code snippets.
2008-05-13 13:44:04 +00:00
Corinna Vinschen 7e2b8e7d2a * mount.cc (is_unc_share): Allow \\?\ prefix as well. Enhance comment.
(mount_info::from_fstab): Remove patch from 2008-04-29.

	* mount.cc (mount_info::conv_to_posix_path): Simplify test for native
	UNC path.
	* path.cc (normalize_win32_path): Ditto.
	(symlink_worker): Ditto.
	(symlink_info::posixify): Ditto.
	(cygwin_conv_path): Ditto.
2008-04-30 08:49:23 +00:00
Corinna Vinschen 43657e6bd3 * path.cc (symlink_info::check): Avoid special handling for
STATUS_BUFFER_OVERFLOW when calling NtQueryDirectoryFile.
	* strace.cc (strace::vprntf): Use bigger buffer.
2008-04-28 16:01:54 +00:00
Corinna Vinschen c57b57e5c4 * cygwin.din: Sort.
(faccessat): Export.
	(fchmodat): Export.
	(fchownat): Export.
	(fstatat): Export.
	(futimesat): Export.
	(linkat): Export.
	(mkdirat): Export.
	(mkfifoat): Export.
	(mknodat): Export.
	(openat): Export.
	(readlinkat): Export.
	(renameat): Export.
	(symlinkat): Export.
	(unlinkat): Export.
	* path.cc (readlink): Align definition to POSIX.
	* syscalls.cc (gen_full_path_at): New static function.
	(faccessat): Implement.
	(fchmodat): Implement.
	(fchownat): Implement.
	(fstatat): Implement.
	(futimesat): Implement.
	(linkat): Implement.
	(mkdirat): Implement.
	(mkfifoat): Implement.
	(mknodat): Implement.
	(openat): Implement.
	(readlinkat): Implement.
	(renameat): Implement.
	(symlinkat): Implement.
	(unlinkat): Implement.
	* include/cygwin/version.h: Bump API minor number.
2008-04-23 11:13:52 +00:00
Corinna Vinschen 949caed8f7 * fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Fix
thinko in UNC path handling.
	* path.cc (symlink_worker): Fix typo in comment.  Fix UNC path handling.
2008-04-14 09:15:35 +00:00
Corinna Vinschen 9bf7c7e96c * fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Simplify
code which checks for symlinks.  Fix problem with UNC paths.

	* environ.cc (struct parse_thing): Remove transparent_exe option.
	* syscalls.cc (transparent_exe): Remove.
	(unlink): Always add stat_suffixes, drop transparent_exe check.
	(open): Ditto.
	(link): Ditto.
	(pathconf): Ditto.
	* fhandler_disk_file.cc (fhandler_disk_file::link): Ditto.
	* fhandler_process.cc (fhandler_process::fill_filebuf): Always remove
	.exe suffix.
	* path.cc (realpath): Never attach known_suffix.
2008-04-13 16:47:21 +00:00
Christopher Faylor ade47a3430 Add miscfuncs.h to files as needed throughout.
* mount.cc: New file.
* path.cc: Move mount-specific stuff into mount.cc.  Move common stuff into
miscfuncs.cc.  Remove unneeded includes.
* miscfuncs.cc: Move some common path functions here.
* miscfuncs.h: New file.
* winsup.h: Move miscelleneous functions to miscfuncs.h.
* dcrt0.cc: Remove unneeded includes.
* Makefile.in (DLL_OFILES): Add mount.o.
* include/cygwin/config.h: Fix a minor typo.
2008-04-07 16:15:45 +00:00
Corinna Vinschen 93c5415116 * path.cc (struct opt): Rename "system" to "nouser".
* postinsatll: Ditto.
2008-04-06 09:56:42 +00:00
Corinna Vinschen ac6f159cd7 * postinstall: New script.
* Makefile.in (sysconfdir): Define.
	(install): Create $(sysconfdir)/postinstall dir.  Install postinstall
	script into it.

	* path.cc: Add temorary comments to note later function removal.
	(conv_fstab_spaces): New inline function to handle \040 to space
	conversion.
	(struct opt): Add "system" and "user" mount options.
	(mount_info::from_fstab_line): Only allow # to start a comment at
	the beginning of the line.  Call conv_fstab_spaces on native_path and
	posix_path fields.  Don't enforce system mounts in /etc/fstab.
	Drop last argument in call to add_item.
	(mount_info::from_fstab): Create a default cygdrive entry.  Load
	user mount points from fstab.<username> instead of fstab.<sid>.
	(mount_info::read_mounts): Drop last argument in call to add_item.
	(mount_info::add_reg_mount): Remove.
	(mount_info::del_reg_mount): Remove.
	(mount_info::write_cygdrive_info): Rename from
	mount_info::write_cygdrive_info_to_registry.  Don't write to registry.
	Disallow to overwrite a system cygdrive prefix.
	(mount_info::remove_cygdrive_info_from_registry): Remove.
	(mount_info::get_cygdrive_info): Just fetch current cygdrive prefix and
	flags.
	(mount_info::add_item): Drop last argument.  Don't write to registry.
	Disallow to overwrite a system mount point.
	(mount_info::del_item): Drop last argument.  Don't write to registry.
	Disallow to remove a system mount point.
	(mount): Enforce user mount.
	(cygwin_umount): Ditto.
	* shared_info.h (mount_info::add_item): Drop last argument.
	(mount_info::del_item): Ditto.
	(mount_info::add_reg_mount): Remove.
	(mount_info::del_reg_mount): Remove.
	(mount_info::write_cygdrive_info): Rename from
	mount_info::write_cygdrive_info_to_registry.
	(mount_info::remove_cygdrive_info_from_registry): Remove.
2008-04-05 09:30:06 +00:00
Corinna Vinschen b7ca762d3f * path.cc (mount_info::from_fstab_line): Simplify.
(mount_info::from_fstab): Create a default root dir.
2008-04-03 18:20:54 +00:00
Corinna Vinschen 0c273f5ac3 * path.cc (mount_info::from_fstab): Get module path name of the Cygwin
DLL, not the path of the application.
2008-04-03 15:44:18 +00:00
Corinna Vinschen 85340bc03d * path.cc (mount_info::init): First try to fetch mount points from
fstab files.  Fallback to registry if none exists.
	(skip_ws): New inline function.
	(find_ws): Ditto.
	(struct opt): New structure for mount options.
	(read_flags): New static function to convert a mount flags string into
	a flag value.
	(mount_info::from_fstab_line): New method to create a mount table
	entry from a fstab line.
	(mount_info::from_fstab): New method to read fstab file.
	* shared_info.h (mount_info::from_fstab_line): Declare.
	(mount_info::from_fstab): Declare.
2008-04-02 17:45:32 +00:00
Corinna Vinschen c8cd2f2255 * path.cc (enum symlink_t): Rename from shortcut_t. 2008-04-02 11:45:14 +00:00
Corinna Vinschen 3d0192def9 * path.cc (symlink_info::check_reparse_point): Use NtFsControlFile
to read reparse points.
	(enum shortcut_t): New type.
	(symlink_info::check): Convert sym_check to shortcut_t.  Use shortcut_t
	enum values throughout.  Check reparse point before checking for
	sysfile shortcut.  Open reparse points with READ_CONTROL only to
	accommodate special Vista reparse points.  Add comments.
2008-04-02 11:35:10 +00:00
Corinna Vinschen 636c94d853 * smallprint.cc (__small_vswprintf): Fix uninitialized usage of `w'.
Revamp advisory file locking to avoid cross reference pointers as well
	as to allow BSD flock semantics.  More agressively delete unused nodes
	and sync objects.
	* fhandler.h (fhandler_base::ino): Rename from namehash.  Fix comment.
	(fhandler_base::node): Remove.
	(fhandler_base::unique_id): Add.
	(fhandler_base::del_my_locks): New method.
	(get_ino): Rename from get_namehash.  Change usage throughout Cygwin.
	(get_unique_id): New method.
	* fhandler.cc (fhandler_base::close): Call own del_my_locks method.
	Fix comment.
	(fhandler_base::fhandler_base): Accommodate new and changed members.
	(fhandler_base::fixup_after_fork): Call del_my_locks.
	(fhandler_base::fixup_after_exec): Ditto for files with close-on-exec
	flag set.
	* fhandler_disk_file.cc (get_ino_by_handle): Rename from
	readdir_get_ino_by_handle.  Accommodate throughout.
	(fhandler_base::open_fs): Fill ino with inode number if FS has good
	inodes.  Allocate a LUID and store in unique_id to recognize file
	descriptors referencing the same file object.
	* flock.cc: Drop flock TODO comments.  Use explicit types __dev32_t
	and __ino64_t instead of dev_t and ino_t.
	(LOCK_OBJ_NAME_LEN): Change to reflect longer lf_id length.
	(get_obj_handle_count): New method.
	(lockf_t::lf_id): Change type to long long.
	(inode_t::get_lock_obj_handle_count): Drop in favor of static function
	get_obj_handle_count.
	(inode_t::del_locks): Remove.
	(inode_t::get): Add create_if_missing flag argument.
	(inode_t::del_my_locks): Reimplement to handle POSIX and BSD flock
	locks.  Return if node can be deleted or not.
	(inode_t::~inode_t): Ditto.  Close handles to i_dir and i_mtx.
	(fixup_lockf_after_fork): Remove.
	(fhandler_base::del_my_locks): New method.
	(fixup_lockf_after_exec): Check if node can be deleted.
	(inode_t::get): Only create node if create_if_missing is set.  Lock
	the returned node here before unlocking the node list.
	(inode_t::get_all_locks_list): Accommodate new lf_id length.
	(inode_t::create_lock_obj): Ditto.
	(lockf_t::open_lock_obj): Ditto.  Change return type to bool.  De-const.
	Set lf_obj instead of returning a handle.
	(lockf_t::del_lock_obj): Call SetEvent only if new incoming parameters
	allow it.  Explain how it's supposed to work.
	(fhandler_disk_file::lock): Only fetch file length in SEEK_END case.
	Use NtQueryInformationFile(FileStandardInformation) instead of
	calling fstat_by_handle.  Always unlock node before returning.
	Use fhandler's unique id to create lf_id for BSD flock locks.
	Rely on node lock from inode_t::get.  Call del_lock_obj on removed
	locks here to allow explicit unlocking.  Delete node if no lock exists
	on the file anymore.
	(lf_setlock): Get file handle as additional parameter.  Handle the fact
	that lf_getblock now always opens the attached event object.  Reactivate
	erroneously applied patch which deactivates setting thread priority.
	Additionally handle blocking on BSD flock locks.
	(lf_clearlock): Get file handle as additional parameter.
	(lf_getlock): Close event handle opened by lf_getblock.
	(lf_getblock): Open potentially blocking event object here and check
	its signal state if it's a BSD flock lock.
	(lf_wakelock): Get file handle as additional parameter.
	* fork.cc (frok::child): Drop call to fixup_lockf_after_fork.
	* ntdll.h (struct _EVENT_BASIC_INFORMATION): Define.
	(enum _EVENT_INFORMATION_CLASS): Define.
	(NtQueryEvent): Declare.

	* fhandler.h (fhandler_base::fs_flags): Remove.
	(fhandler_base::set_fs_flags): Remove.
	(fhandler_base::get_fs_flags): Remove.
	* fhandler.cc (fhandler_base::write): Check for sparse file using
	pc.fs_flags().
	* fhandler_disk_file.cc (fhandler_disk_file::ftruncate): Ditto.

	The return of the volume serial number in fs_info.
	* fhandler.h (get_dev): New method.
	* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Drop call to
	NtQueryVolumeInformationFile(FileFsVolumeInformation).  Just use
	get_dev() method.
	* fhandler_fifo.cc (fhandler_fifo::open) Use device ID and inode number
	to generate fifo name.
	* path.h (fs_info::sernum): New member.
	(fs_info::serial_number): New method.
	(path_conv::fs_serial_number): New method.
	* path.cc (fs_info::update): Fetch volume serial number and store in
	sernum.
2008-03-31 18:03:25 +00:00
Christopher Faylor 1ffe3e67b1 * dtable.cc: Define various device-related string constants as wide character
constants.
(dtable::init_std_file_from_handle): Reorganize pipe handling to try to catch
special tty case.
(build_fh_name_worker): Declare for common use.
(build_fh_name): Define char version.
(build_fh_name): Define (currently unused) UNICODE_STRING version.
(decode_tty): Detect if pipe is actually a cygwin tty, returning the tty name
in the buffer.
(handle_to_fn): Reorganize to use wide characters.
* dtable.h (build_fh_name): Declare (currently unused) UNICODE_STRING version.
* fhandler_tty.cc (fhandler_pty_master::setup): Use
fhandler_pipe::create_selectable to create a pipe with a given name.
* pipe.cc (pipe_handler): Make returned handle inheritable.
(fhandler_pipe::create_selectable): Take an optional name.  Use a standard
cygwin introducer for the name.
* path.cc (path_conv::check): Make first argument const.
* path.h (path_conv::check): Ditto for declaration.
(path_conv::path_conv): Ditto for UNICODE_STRING version.
2008-03-22 21:04:16 +00:00
Corinna Vinschen d63c2da552 * fcntl.cc (fcntl_worker): Protect with a 'myfault'.
* path.cc (normalize_posix_path): Treat X:/ as Win32 path, too.

	* smallprint.cc (__wrn): New static function.
	(__small_vswprintf): New function to generate WCHAR strings.
	(__small_swprintf): Ditto.
	* winsup.h (__small_swprintf): Declare.
	(__small_vswprintf): Declare.
2008-03-14 20:43:28 +00:00
Corinna Vinschen b0717aae02 * fhandler_disk_file.cc (fhandler_disk_file::readdir_helper): Disable
munging.  Convert all chars in the 0xf0xx area to it's ascii equivalent.
	* path.cc (normalize_posix_path): Don't treat "X:foo" as windows path,
	only "a:\foo".
	(tfx_chars): New transformation table for special DOS chars.
	(tfx_chars_managed): Ditto, plus transformation of uppercase ASCII
	chars.
	(transform_chars): New function.
	(get_nt_native_path): Make static.  Call transform_chars for all valid
	FS paths.  Get additional flag if file is managed or not.  Accommodate
	throughout.
	(getfileattr): Get additional flag if file is managed or not.
	Accommodate throughout.
	(path_conv::check): Disable special handling for trailing dots and
	spaces.
	(mount_item::build_win32): Disable code for managed paths.
	(mount_info::conv_to_posix_path): Ditto.
	* path.h (get_nt_native_path): Remove declaration.
2008-03-12 16:07:04 +00:00
Corinna Vinschen edab6053a2 * winsup.h (NT_MAX_PATH): Revert ill-advised change to 32767.
Accommodate change throughout.

	* cygwin.din (cygwin_conv_path): Export.
	(cygwin_conv_path_list): Export.
	(cygwin_create_path): Export.
	* dcrt0.cc (dll_crt0_1): Use cygwin_conv_path.
	* dtable.cc (handle_to_fn): Ditto.  Don't expect UNICODE_STRING being
	0-terminated.
	* environ.cc (env_plist_to_posix): New helper function.
	(env_plist_to_win32): Ditto.
	(env_path_to_posix): Ditto.
	(env_path_to_win32): Ditto.
	(return_MAX_PATH): Remove.
	(conv_envvars): Use new helper functions.  Drop removed members.
	(win_env::operator =): Accommodate removal of path length functions.
	(win_env::add_cache): Accommodate new env helper function API.
	(posify): Ditto.
	* environ.h (struct win_env): Ditto. Remove path length function
	pointers since they are unused.
	* path.cc (warn_msdos): Use cygwin_conv_path.
	(getfileattr): Use new tmp_pathbuf::u_get method.
	(fillout_mntent): Ditto.
	(symlink_info::check): Ditto.
	(path_conv::check): Use sizeof (WCHAR) instead of constant 2.
	(symlink_info::check_reparse_point): Ditto.
	(conv_path_list): Get max size of target string as argument.  Call
	cygwin_conv_path as helper function.
	(cygwin_conv_path): New function.
	(cygwin_create_path): New function.
	(cygwin_conv_to_win32_path): Just call cygwin_conv_path with size set
	to MAX_PATH.
	(cygwin_conv_to_full_win32_path): Ditto.
	(cygwin_conv_to_posix_path): Ditto.
	(cygwin_conv_to_full_posix_path): Ditto.
	(conv_path_list_buf_size): Add FIXME comment.
	(env_PATH_to_posix): Rename from env_win32_to_posix_path_list.
	Add size argument as required for env helper functions.
	(cygwin_win32_to_posix_path_list): Call conv_path_list with size set to
	MAX_PATH.
	(cygwin_posix_to_win32_path_list): Ditto.
	(cygwin_conv_path_list): New function.
	(cwdstuff::get): Fix length argument in call to sys_wcstombs.
	* spawn.cc (find_exec): Use cygwin_conv_path_list.
	* tls_pbuf.h (tmp_pathbuf::u_get: New method.
	* uinfo.cc (cygheap_user::ontherange): Allocate temporary path buffers
	using tmp_pathbuf.  Use cygwin_conv_path.
	* winf.cc (av::unshift): Use cygwin_conv_path.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/cygwin.h: Comment out old cygwin32_XXX API.
	Mark old path handling API as deprecated.
	(cygwin_conv_path_t): Typedef.  Define values.
	(cygwin_conv_path): Declare.
	(cygwin_create_path): Declare.
	(cygwin_conv_path_list): Declare.
2008-03-12 12:41:50 +00:00
Corinna Vinschen 6c968f611b * path.cc (cwdstuff::set): Make sure drive_length is 0 for virtual
paths.  Add comments.
	* spawn.cc (spawn_guts): Don't allow to start a native Win32 application
	from a long path or a virtual path.  Print an error message to stderr.
2008-03-11 12:34:08 +00:00
Corinna Vinschen ca6fd6300a * fhandler_disk_file.cc (DIR_BUF_SIZE): Define required space for file
name in terms of sizeof(WCHAR).
	(fhandler_disk_file::readdir_helper): Convert *all* of fname.
	* path.cc (fillout_mntent): Use tmp_pathbuf for path buffer.
	(symlink_worker): Ditto.
	(SCAN_JUSTCHECKTHIS): New state for suffix_scan to define
	that only the actual name gets cheked and a suffix is never attached.
	(suffix_scan::has): If filename + suffix would be > NAME_MAX, start
	in SCAN_JUSTCHECKTHIS state.
	(suffix_scan::next): Add case for SCAN_JUSTCHECKTHIS.
	(symlink_info::check): Use tmp_pathbuf for path buffer.  Goto
	file_not_symlink in case of invalid file name.
	(realpath): Use tmp_pathbuf for path buffer.
2008-03-08 17:28:40 +00:00
Corinna Vinschen 752b16ce35 * Makefile.in (DLL_OFILES): Add tls_pbuf.o.
* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
	(CreateWindowStationW): Replace CreateWindowStationA.
	(GetUserObjectInformationW): Replace GetUserObjectInformationA.
	* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
	* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
	* cygtls.h (TP_NUM_C_BUFS): Define.
	(TP_NUM_W_BUFS): Define.
	(class tls_pathbuf): New class to store pointers to thread local
	temporary path buffers.
	(_local_storage::pathbufs): New member.
	* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
	of stack based buffer.
	(posify): Get temporary outenv buffer from calling function.
	(environ_init): Create temporary TLS path buffer for posify.
	(build_env): Create Windows environment block as WCHAR buffer.
	* environ.h (build_env): Change declaration accordingly.
	* external.cc (sync_winenv): Accommodate build_env change.
	* fhandler_console.cc (fhandler_console::need_invisible): Use
	GetUserObjectInformationW and CreateWindowStationW.
	* fhandler_process.cc (format_process_maps): Use temporary TLS path
	buffer instead of stack based buffer.
	* fork.cc (frok::parent): Convert to use CreateProcessW.
	* path.cc: Throughout use temporary TLS path buffers instead of stack
	based buffer.  Replace checks for CYG_MAX_PATH by checks for
	NT_MAX_PATH.
	(getfileattr): New function to replace GetFileAttributesA.
	(normalize_win32_path): Remove Win32 and NT long path prefixes.
	(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
	* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
	(iswdrive): Define.
	* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
	stack based buffer.
	* registry.cc (get_registry_hive_path): Ditto.
	(load_registry_hive): Ditto.
	* spawn.cc (spawn_guts): Convert to use CreateProcessW and
	CreateProcessAsUserW.
	(av::fixup): Open/close file using NtOpenFile/NtClose.
	* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
	(mknod32): Ditto.
	(getusershell): Ditto.
	* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
	methods.
	* tls_pbuf.h: New header for files using tmp_pathbuf.
	* tlsoffsets.h: Regenerate.
	* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.
2008-03-07 11:24:51 +00:00
Corinna Vinschen 8a889eff57 * child_info.h (~child_info_spawn): Check moreinfo->myself_pinfo for
NULL before closing.
	* spawn.cc (spawn_guts): Don't close moreinfo->myself_pinfo explicitely
	in case of failing CloseProcess.

	* fhandler.cc (fhandler_base::open_): Return EISDIR when trying to
	create a directory.
	* path.cc (path_conv::check): If input path had a trailing dir
	separator, tack it on to the native path if directory doesn't exist.
2008-03-05 18:31:09 +00:00
Corinna Vinschen 44464b0156 * path.cc (cwdstuff::set): Revert error handling change in case
DuplicateHandle fails, because it breaks Vista/Longhorn workaround.
2008-02-20 14:42:29 +00:00
Christopher Faylor 70300fdb1c Perform whitespace cleanup throughout.
* dcrt0.cc (signal_shift_subtract): Eliminate ancient backwards compatibility.
(check_sanity_and_sync): Ditto.
* winsup.h (SIGTOMASK): Ditto.  Just use constant in signal calculation.
* include/cygwin/version: Remove backwards signal mask compatibility define.
* path.cc (symlink_info::check_sysfile): Cosmetic change.
* registry.cc (get_registry_hive_path): Remove unneeded variable.
* exceptions.cc (handle_sigsuspend): Eliminate thread signal mask and use
either main sigmask or current thread sigmask.
(set_process_mask): Ditto.
(sighold): Ditto.
(sigrelse): Ditto.
(sigset): Ditto.
(set_process_mask_delta): Ditto.
(_cygtls::call_signal_handler): Ditto.
* fhandler_process.cc (format_process_status): Ditto.
* fhandler_termios.cc (fhandler_termios::bg_check): Ditto.
* pinfo.h (class pinfo): Ditto.
* select.cc (pselect): Ditto.
* signal.cc (sigprocmask): Ditto.
(abort): Ditto.
(sigpause): Ditto.
(sigsend): Ditto.
(wait_sig): Ditto.
* thread.h (pthread::parent_tls): New member.
* thread.cc (pthread::pthread): Record parent_tls here.
(pthread::thread_init_wrapper): Initialize sigmask from parent thread.
2008-02-15 17:53:11 +00:00