* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function. Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
fhandler.h.
* fhandler.h (fhandler_base::get_inheritance): New method.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper
close-on-exec inheritance when creating.
(fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
controlling tty is the console and already closed.
* dtable.h (class dtable): Add members to count descriptors referring to the
console.
* dtable.cc (dtable::dec_console_fds): New function to detach process from its
console.
(dtable::release): Decrement the counter of console descriptors.
(dtable::build_fhandler): Increment it.
* exception.cc (ctrl_c_handler): Send SIGTERM to myself when catch
CTRL_SHUTDOWN_EVENT.
* path.cc (path_conv::check): Add signal protection here since retrieving info
about remote shares can take some time.
* path.h (check_null_empty_str_errno): Convert to a function prototype.
* path.cc (check_null_empty_str): Move to miscfuncs.cc.
* miscfuncs.cc (check_null_empty_str_errno): New function.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(check_null_empty_str): Change from VirtualQuery to IsBadWritePtr.
* thread.cc (check_valid_pointer): Ditto.
* resource.cc (getrlimit): Use check_null_invalid_struct macro for checking
validity of pointer.
(setrlimit): Ditto.
being read for executable test since we could be checking for less than that.
* syscalls.cc (stat_worker): Try opening the file the "correct" way first so
that #! processing can potentially happen. If that fails, then use "query
open" method.
* spawn.cc (spawn_guts): Delay processing of signal until after we've notified
parent about reparenting.
* fork.cc (fork_copy): Print more debugging info.
(fork_parent): Change order of arguments to accomdate buggy gcc.
(fork): Ditto.
* syscalls.cc (_unlink): Reorganize to try harder to delete file with
DeleteFile and to recover more gracefully if FILE_FLAG_DELETE_ON_CLOSE doesn't
work properly.
to 0, when requested.
* fhandler.h: New status flag FH_QUERYOPEN.
(fhandler::get_query_open): New function.
(fhandler::set_query_open): Ditto.
* syscalls.cc (stat_worker): Request query-only open mode.
USERDOMAIN before impersonation to workaround a LookupAccountSid()
misbehaviour.
* uinfo.cc (internal_getlogin): Revert most of the previous change.
Don't set environment variables USERNAME and USERDOMAIN. That's
the job of seteuid() now. Try to get logon server from Lsa
only if logon server isn't already known.
* ntea.cc (NTReadEA): Don't check for global ntea setting, now
it's caller responsibility.
(NTWriteEA): Ditto.
* security.cc (get_file_attribute): Read attribute from EA only
if 'ntea' is enabled.
(set_file_attribute): Ditto.
* path.h: (class path_conv): Add members to store file system
information.
(path_conv::get_drive_type): New function.
* syscalls.cc (stat_worker): Use it.
* path.cc (path_conv::update_fs_info): New functions.
(path_conv::check): Get file system information from device where
file resides. On NTFS, try to read symlink contents from EA.
(get_symlink_ea): New function.
(set_symlink_ea): Ditto.
(symlink): Store symlink in extended attribute, if possible.
(cygheap_root::~cygheap_root): Remove destructor.
(cygheap_root::operator =): Remove.
(cygheap_root::set): New method.
* cygheap.h (cygheap_root): Reflect above changes. Store root info in
mount-like structure.
(cygheap_root:posix_ok): New method.
(cygheap_root::ischroot_native): Ditto.
(cygheap_root::unchroot): Ditto.
(cygheap_root::exists): Ditto.
(cygheap_root::posix_length): Ditto.
(cygheap_root::posix_path): Ditto.
(cygheap_root::native_length): Ditto.
(cygheap_root::native_path): Ditto.
* dir.cc (opendir): Remove special chroot test.
* path.cc (path_prefix_p): Remove front end.
(normalize_posix_path): Reorganize chroot tests to accomodate new convention of
allowing paths using posix chroot prefix.
(path_conv::check): Pass a "already ran normalize" option to
conv_to_win32_path. Return if there is an error from this function.
(mount_info::conv_to_win32_path): Add extra argument. Don't call
normalize_posix_path if caller has already done so. Substitute chroot setting,
if any, for root translation. Add chroot checking to final output step.
* shared_info (mount_info): Accomodate additional argument to
conv_to_win32_path.
* syscalls.cc (chroot): Store both normalized posix path and native path in
chroot.
doesn't deal well with "negative" chars.
* fhandler.cc (fhandler_disk_file::open): Propagate remote status of file
garnered from path_conv. Move #! checking to fstat.
(fhandler_disk_file::fstat): Reorganize st_mode setting to eliminate
duplication. Move check for #! here from fhandler::open.
* fhandler.h (fhandler_base::isremote): New method.
(fhandler_base::set_isremote): Ditto.
(fhandler_base::set_execable_p): Also record "don't care if executable state".
(fhandler_base::dont_care_if_execable): New method.
* path.cc (path_conv::check): Clear new flags. Appropriately set vol_flags,
drive_type, and is_remote_drive.
* path.h: Add new flags and methods for manipulating them.
* syscalls.cc (_unlink): Use isremote() to determine if a path is remote rather
than calling GetDriveType.
(stat_worker): Ditto.
* security.cc (get_file_attribute): Or attribute with result of NTReadEA to be
consistent with get_nt_attribute.
`LsaClose', `LsaEnumerateAccountRights', `LsaFreeMemory',
`LsaOpenPolicy', `LsaQueryInformationPolicy', `NetLocalGroupEnum',
`NetLocalGroupGetMembers', `NetServerEnum', `NetUserGetGroups' and
`NtCreateToken'.
* ntdll.h: Add declaration for `NtCreateToken'.
* sec_helper.cc: Add `well_known_local_sid', `well_known_dialup_sid',
`well_known_network_sid', `well_known_batch_sid',
`well_known_interactive_sid', `well_known_service_sid' and
`well_known_authenticated_users_sid'.
(cygsid::string): Define as const method.
(cygsid::get_sid): Set psid to NO_SID on error.
(cygsid::getfromstr): Ditto.
(cygsid::getfrompw): Simplify.
(cygsid::getfromgr): Check for gr == NULL.
(legal_sid_type): Move to security.h.
(set_process_privilege): Return -1 on error, otherwise 0 or 1 related
to previous privilege setting.
* security.cc (extract_nt_dom_user): Remove `static'.
(lsa2wchar): New function.
(open_local_policy): Ditto.
(close_local_policy): Ditto.
(get_lsa_srv_inf): Ditto.
(get_logon_server): Ditto.
(get_logon_server_and_user_domain): Ditto.
(get_user_groups): Ditto.
(is_group_member): Ditto.
(get_user_local_groups): Ditto.
(sid_in_token_groups): Ditto.
(get_user_primary_group): Ditto.
(get_group_sidlist): Ditto.
(get_system_priv_list): Ditto.
(get_priv_list): Ditto.
(get_dacl): Ditto.
(create_token): Ditto.
(subauth): Return immediately if SE_TCB_NAME can't be assigned.
Change all return statements in case of error to jumps to `out'
label. Add `out' label to support cleanup.
* security.h: Add extern declarations for `well_known_local_sid',
`well_known_dialup_sid', `well_known_network_sid',
`well_known_batch_sid', `well_known_interactive_sid',
`well_known_service_sid' and `well_known_authenticated_users_sid'.
Add extern declarations for functions `create_token',
`extract_nt_dom_user' and `get_logon_server_and_user_domain'.
(class cygsid): Add method `assign'. Change operator= to call new
`assign' method. Add `debug_print' method.
(class cygsidlist): New class.
(legal_sid_type): Moved from sec_helper.cc to here.
* spawn.cc (spawn_guts) Revert reversion of previous patch.
Call `RevertToSelf' and `ImpersonateLoggedOnUser' instead of `seteuid'
again.
* syscalls.cc (seteuid): Rearranged. Call `create_token' now when
needed. Call `subauth' if `create_token' fails. Try setting token
owner and primary group only if token was not explicitely created
by `create_token'.
* uinfo.cc (internal_getlogin): Try harder to generate correct user
information. Especially don't trust return value of `GetUserName'.
* security.h: New define `NO_SID'. Remove declarations of functions
moved to methods into class cygsid.
(class cygsid): Declare new methods `getfromstr', `get_sid',
`getfrompw', `getfromgr', `get_rid', `get_uid', `get_gid', `string'
and new constructors and operators =, == and !=.
Declare new global cygsids `well_known_XXX_sid' substituting the
corresponding `get_XXX_sid' functions. Remove declarations of
these functions.
* sec_helper.cc (well_known_admin_sid): New global variable.
(well_known_system_sid): Ditto
(well_known_creator_owner_sid): Ditto
(well_known_world_sid): Ditto
(cygsid::string): New method, substituting `convert_sid_to_string_sid'.
(cygsid::get_sid): New method, substituting `get_sid'.
(cygsid::getfromstr): New method, substituting
`convert_string_sid_to_sid'.
(cygsid::getfrompw): New method, substituting `get_pw_sid'.
(cygsid::getfromgr): New method, substituting `get_gr_sid'.
(cygsid::get_id): New method, substituting `get_id_from_sid'.
(get_admin_sid): Eliminated.
(get_system_sid): Ditto.
(get_creator_owner_sid): Ditto.
(get_world_sid): Ditto.
* grp.cc: Use new cygsid methods and well known sids throughout.
* registry.cc: Ditto.
* sec_acl.cc: Ditto.
* security.cc: Ditto.
* shared.cc: Ditto.
* syscalls.cc (seteuid): Ditto. Eliminate redundant conditional.
* uinfo.cc (internal_getlogin): Ditto.
* spawn.cc (spawn_guts) Revert previous patch.
Add LoadDLLfuncEx statements for AllocateLocallyUniqueId@4,
DuplicateTokenEx@24, LsaNtStatusToWinError@4,
LsaDeregisterLogonProcess@4, LsaFreeReturnBuffer@4,
LsaLogonUser@56, LsaLookupAuthenticationPackage@12,
LsaRegisterLogonProcess@12,
* environ.cc: Add extern declaration for `subauth_id'.
(subauth_id_init): New function for setting `subauth_id'.
(struct parse_thing): Add entry for `subauth_id'.
* fork.cc (fork_parent): Call `RevertToSelf' and
`ImpersonateLoggedOnUser' instead of `seteuid'.
* security.cc: Define global variable `subauth_id'.
(extract_nt_dom_user): New function.
(cygwin_logon_user): Call `extract_nt_dom_user' now.
(str2lsa): New static function.
(str2buf2lsa): Ditto.
(str2buf2uni): Ditto.
(subauth): Ditto.
* security.h: Add prototype for `subauth'.
* spawn.cc (spawn_guts): Use cygheap->user.token only if impersonated.
Use `cygsid' type. Remove impersonation before allowing access to
workstation/desktop to everyone. Call `RevertToSelf' and
`ImpersonateLoggedOnUser' instead of `seteuid'.
* syscalls.cc (seteuid): Rearranged to allow using subauthentication
to retrieve user tokens when needed.
Throughout, change 'OutputStopped' to 'output_stopped', for consistency.
* dtable.cc (stdio_init): Set controlling tty if not set by stdio opens.
* exceptions.cc (ctrl_c_handler): Avoid special pgid checking if no tty is
associated with the process.
(Suggested by Tim Baker <dbaker@direct.ca>)
* external.cc (fillout_pinfo): Return actual tty number for ctty.
* fhandler_console.cc (get_tty_stuff): Set ctty when shared memory is
allocated. Accept flags input from open().
(set_console_ctty): New function.
(fhandler_console::open): Pass flags to get_tty_stuff and rely on this function
to set the ctty, if appropriate.
* fhandler_termios.cc (fhandler_termios::set_ctty): Move to tty_min class.
* fhandler_tty.cc (fhandler_tty_slave::open): Use tc field to access
set_ctty().
* tty.h (TTY_CONSOLE): Move to include/sys/cygwin.h.
(tty_min): Add set_ctty class here.
* include/sys/cygwin.h (TTY_CONSOLE): New home here.
* path.cc (symlink_info): Make contents an actual buffer. Pass more flags to
case_check.
(path_conv::check): Reorganize to do parsing based on posix path rather than
native path.
(symlink_info::check): Expect posix path as input. Translate to native path
here. Accept path_conv flags. Stop parsing if not a symlink regardless of
whether previous path was a symlink.
* cygheap.cc: Include security.h.
* grp.cc (internal_getgrent): New function.
(getgroups): Rearranged using `internal_getgrent' and the new
`cygsid' class.
* passwd.cc (internal_getpwent): New function.
* sec_acl.cc: Use new `cygsid' class throughout.
(acl_access): Use `internal_getgrent' instead of `getgrent'.
* sec_helper.cc: Use new `cygsid' class throughout.
(get_id_from_sid): Use `internal_getgrent' instead of `getgrent'.
Use `internal_getpwent' instead of `getpwent'.
* security.cc: Use new `cygsid' class throughout.
* security.h: Move `MAX_SID_LEN' from winsup.h to here.
Add extern declarations for `internal_getgrent' and `internal_getpwent'.
(class cygsid): New class.
* shared.cc (sec_user): Use new `cygsid' class.
* syscalls.cc (seteuid): Try to set owner to user and primary group to
current group in impersonation token before performing impersonation.
(setegid): Try to set primary group in process token to the new group
if ntsec is on.
* uinfo.cc (internal_getlogin): Use new `cygsid' class.
Try to set owner to user and primary group to current group in process
token if the process has been started from a non cygwin process.
(uinfo_init): Set primary group only if the process has been started
from a non cygwin process.
* winsup.h: Move define for `MAX_SID_LEN' to security.h.
* fhandler.h (fhandler_base::set_open_status): New method. Stores original
open status.
(fhandler_base::get_open_status): New method. Retrieves original open status.
(fhandler_base::reset_to_open_binmode): New method.
* fhandler.cc (fhandler_base::open): Save open status.
(fhandler_base::init): Ditto.
* fhandler_clipboard.cc (fhandler_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_dsp.cc (fhandler_dsp::open): Ditto.
* fhandler_dev_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_dev_random.cc (fhandler_dev_random::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tty_slave.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tty_master.cc (fhandler_tty_master::open): Ditto.
* fhandler_dev_zero.cc (fhandler_dev_zero::open): Ditto.
* syscalls.cc (setmode): Rework so that 0 mode value causes reversion to open
state.
* fhandler_tty_slave.cc (fhandler_tty_slave::read): Use correct multiplier when
converting from deciseconds to milliseconds.
is set to PCHECK_ADJUST when a case clash is given for the last
component in path.
(symlink_info::case_check): Ditto.
* syscalls.cc (_rename): Avoid overwriting an already existing file
if a case clash is given even if pcheck_case is set to PCHECK_ADJUST.
* environ.cc: Add extern declaration for `pcheck_case'.
(check_case_init): New function.
(struct parse_thing): Add "check_case" option.
* errno.cc (_sys_nerrlist): Add text for ECASECLASH.
(strerror): Add case branch for ECASECLASH.
* fhandler.cc (fhandler_disk_file::open): Check for case clash.
* path.cc: Add global variable `pcheck_case'.
(struct symlink_info): Add member `case_clash' and method `case_check'.
(path_prefix_p_): Call `pathnmatch' instead of `strncasematch'.
(pathnmatch): New funtion.
(pathmatch): Ditto.
(path_conv::check): Add handling for case checking.
(symlink): Check for case clash.
(symlink_info::check): Add parameter for case checking.
Handle case checking.
(symlink_info::case_check): New method.
(chdir): Don't use unconverted path if pcheck_case==PCHECK_STRICT.
* path.h: Add extern declarations for `pathmatch' and
`pathnmatch'.
(enum case_checking): New enumeration type describing
the case checking behaviour of path conversion routines.
(class path_conv): Add member `case_clash'.
* syscalls.cc (_link): Check for case clash.
element.
* path.cc (mount_info::getmntent): Report "/cygdrive" drives when mounted
drives are exhausted.
(fillout_mntent): New function.
(mount_item::getmntent): Use fillout_mntent.
(cygdrives_mntent): New function. Returns next available "/cygdrive".
(setmntent): Initialize available "/cygdrives".
* syscalls.cc: Remove some if 0'ed code.
* times.cc (timezone): Use more descriptive variable name.
(sigframe::~sigframe): Use unregister method.
(sigframe::call_signal_handler): Declare new method.
* exceptions.cc (sigframe::call_signal_handler): New method. Unregisters
current sigframe before calling signal handler.
(setup_handler): Clear waiting threads prior to arming signal_arrived.
* syscalls.cc (_read): Change goto to loop. Recalculate sigframe inside of
loop so that constructor is called when appropriate.
* wait.cc (wait4): Ditto.
* signal.cc: Change "sig" to "signal" in debugging messages throughout.
* sigproc.cc: Ditto.
(class suffix_scan): Add `lnk_state' flag.
(suffix_scan::lnk_match): Return state of `lnk_state' now.
(suffix_scan::has): Changed behaviour if file has `.lnk' suffix.
(suffix_scan::next): Set `lnk_state' where appropriate.
(symlink_info::check): Fix a wrong `break'.
* syscalls.cc (chown_worker): Change debug statement to reflect
lchown fix.
(lchown): Call chown_worker with `PC_SYM_NOFOLLOW' instead of
`PC_SYM_IGNORE'.
chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries. Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty. Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device. Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC. Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.
* autoload.cc: Add LoadDLLinitfunc for ole32.dll.
Add LoadDLLfuncEx statements for CoInitialize@4, CoUninitialize@0
and CoCreateInstance@20.
* dir.cc (dir_suffixes): New datastructure.
(readdir): Check for R/O *.lnk files to hide the suffix.
(opendir): Use `dir_suffixes' in path conversion.
(rmdir): Ditto.
* fhandler.cc (fhandler_disk_file::fstat): Add S_IFLNK flag
before calling `get_file_attribute'. Take FILE_ATTRIBUTE_READONLY
into account only if the file is no symlink.
* path.cc (inner_suffixes): New datastructure.
(SYMLINKATTR): Eliminated.
(path_conv::check): Use `inner_suffixes' on inner path components.
(shortcut_header): New global static variable.
(shortcut_initalized): Ditto.
(create_shortcut_header): New function.
(cmp_shortcut_header): Ditto.
(symlink): Create symlinks by creating windows shortcuts. Preserve
the old code.
(symlink_info::check_shortcut): New method.
(symlink_info::check_sysfile): Ditto.
(symlink_info::check): Check for shortcuts. Move code reading
old system attribute symlinks into symlink_info::check_sysfile().
(chdir): Use `dir_suffixes' in path conversion.
* security.cc (get_file_attribute): Check for S_IFLNK flag.
Force 0777 permissions then.
* spawn.cc (std_suffixes): Add ".lnk" suffix.
* syscalls.cc (_unlink): Use `inner_suffixes' in path conversion.
Check for shortcut symlinks to eliminate R/O attribute before
calling DeleteFile().
(stat_suffixes): Add ".lnk" suffix.
(stat_worker): Force 0777 permissions if file is a symlink.
does.
* cygheap.cc (init_cheap): Don't specify a load address for the heap. It
doesn't work on #!*& Windows 9x.
(cygheap_init): Move GetUserName to memory_init.
* dcrt0.cc (dll_crt0_1): Call new memory_init functin, eliminate call to
heap_init.
* heap.cc (heap_init): Improve error output.
* heap.h: Correct some declarations.
* shared.cc (mount_table_init): Remove.
(memory_init): Renamed from shared_init. Reorganize to accomodate strange
Windows 9x problems with cygheap/heap interaction.
* shared_info.h: Rename shared_init to memory_init.
* child_info.h (child_info): Move shared_h, console_h to cygheap. Add mount_h.
* cygheap.h (init_cygheap): Add shared_h, console_h.
* cygheap.cc (init_cheap): Initialize heap at a fixed location after the shared
memory regions. Initialize cygheap->user name here.
* dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants. Remove
cygheap_init since it is done in shared_init now.
(_dll_crt0): Initialize mount_h, remove shared_h and console_h initialization.
* fhandler_console.cc (console_shared_h): Eliminate.
(get_tty_stuff): Use cygheap->console_h rather than console_shared_h.
* heap.cc (heap_init): Use page size constant calculated earlier in
initialization.
* shared.cc: Eliminate cygwin_shared_h. Add cygwin_mount_h.
(mount_table_init): New function for initializing a user mount table.
(open_shared_file_map): Use constant for shared memory region. Initialize
cygheap and mount table here.
(open_shared): Improve debugging output.
(shared_info::initialize): Eliminate call to mount.init.
(shared_terminate): Use cygheap->shared_h. Close cygwin_mount_h.
(open_shared_file_map): Eliminate.
* shared_info.h (mount_info): Add a version field.
(shared_align_past): New macro for calculating location for shared memory
regions.
* sigproc.cc (init_child_info): Eliminate shared_h, console_h.
* spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different user.
* syscalls.cc (system_info): New global holding system memory defaults.
(getpagesize): Use system_info.
* uinfo.cc (internal_getlogin): Only fill in user name if nonexistent.
* winsup.h: Declare system_info.
* passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than retrieving
the name again.
* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to earlier
in interrupt.
((interrupt_setup): i.e., here.
(sig_handle): Don't queue multiple SIGSTOPS.
* fhandler.h (bg_check_types): Enumerate return value of bg_check for clarity.
* signal.cc (kill_pgrp): Minor cleanup.
* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type for
function return. Don't raise signal if a signal is already queued.
* fhandler_console.cc (fhandler_console::read): Use enumerated return type for
bg_check.
* select.cc: Ditto, throughout.
* read.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.
(_read): YA interrupt detect simplification.
* wait.cc (wait4): Ditto.
* signal.cc (sigaction): Don't treat SIGCONT specially.
* exceptions.cc (interrupt_setup): Save sa_flags of interrupted signal for
later use.
(sig_handler): Default any stopping signal to SIGSTOP.
(call_signal_handler): New function.
(sigdelayed0): New function.
* sigproc.cc (sigproc_init): Initialize SIGSTOP sigaction for special behavior.
* sigproc.h: Define call_signal_handler.
* syscalls.cc (_read): Allow restartable signal behavior.
`smbntsec'.
* path.cc (path_conv::check): Check path for being a remote path.
If so and `allow_smbntsec' is set to FALSE, set has_acls to FALSE.
* security.cc: Add global definition for `allow_smbntsec'.
* security.h: Add extern declaration for `allow_smbntsec'.
* fhandler.cc (fhandler_disk_file::open): Eliminate extern declaration
of `allow_ntsec'.
* syscalls.cc: Ditto.
(cygheap_root::~cygheap_root): Ditto.
(cygheap_root::operator=): Ditto.
(cygheap_user::~cygheap_user): Ditto.
(cygheap_user::set_name): Ditto.
(cygheap_user::set_logsrv): Ditto.
(cygheap_user::set_domain): Ditto.
(cygheap_user::set_sid): Ditto.
* cygheap.h (cygheap_root): New class.
(cygheap_user): Ditto.
(init_cygheap): Change type of `root' member to cygheap_root.
Add `user' member.
* dir.cc (opendir): Use new `cygheap_root' class.
* dcrt0.cc (dll_crt0_1): Use new `cygheap_user' class.
* fork.cc (fork_parent): Ditto.
* grp.cc (getgroups): Ditto.
* passwd.cc (search_for): Ditto.
* path.cc: Use new `cygheap_root' class throughout.
* pinfo.h (_pinfo): Remove `use_psid'. Move `username', `psid',
`logsrv', `domain', `orig_{uid,gid}' and `real_{uid,gid}' to
cygheap_user class.
* security.cc: Use new `cygheap_user' class throughout.
* shared.cc (sec_user): Ditto.
* sigproc.cc (proc_subproc): Remove copy statements for user
related information moved to `cygheap_user' class.
* spawn.cc (spawn_guts): Invalidate current chroot settings
when creating Windows environment. Use new `cygheap_user' class.
* syscalls.cc: Use new `cygheap_user' class throughout.
* uinfo.cc: Ditto.
* uinfo.cc (internal_getlogin): Change parameters to reflect the
move of user information to cygheap.
heap.
* child_info.h (child_info): Change pointer type of cygheap to init_cygheap.
* cygheap.cc (init_cheap): Point cygheap_max after contents of cygheap. Move
some stuff into cygheap.h.
* dir.cc (opendir): Change to use root and rootlen in cygheap rather than in
myself.
(mkdir): Change to use umask in cygheap rather than in myself.
* path.cc: Ditto, throughout.
* syscalls.cc (_open): Ditto. Change to use umask in cygheap rather than in
myself.
(chroot): Change to allocate root dir on the cygwin heap.
(umask): Change to use umask in cygheap rather than in myself.
(cygwin_bind): Ditto.
* sigproc.cc (proc_subproc): Don't copy umask or root stuff as this happens
automatically now.
* pinfo.h (_pinfo): Migrate stuff out of here and into init_cheap.
* dcrt0.cc (dll_crt0_1): Call cygheap_init later in startup for first cygwin
process.
execed process to avoid a race.
* sigproc.cc (wait_subproc): Print more info when a WFSO error occurs.
* automode.c: New file.
* syscalls.cc (close_all_files): Streamline slightly.
* cygheap.cc (ccalloc): Clear *entire* allocated array.
process has never created any children.
* fork.cc (fork): Set flag indicating that there is another process with our
process group.
* spawn.cc (spawn_guts): Ditto.
* pinfo.h (set_has_pgid_children): New methods for setting when process has
children in its process group.
* syscalls.cc (setpgid): Clear has_gid_children if pgid changes.
active.
* syscalls.cc (_read): Don't clear errno.
* sigproc.cc (wait_sig): Don't scan the waiting process list after a SIGCHLD if
there are no zombies to reap.
* winsup.h: Use __builtin_strcmp.
* environ.cc (posify): Don't initialize len unless it is required
(from DJ Delorie <dj@redhat.com>).
PROC_ADDCHILD. Return 0 when terminated child has just been reparented.
(wait_subproc): Only send SIGCHLD when proc_subproc returns != 0.
* strace.cc (strace::vsprntf): Only strip .exe extension from program name.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate. Set
myself->uid from parent version. Just use ThreadItem Init method. Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto. Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1. Don't suspend execing
process since it is no longer necessary. Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public. Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions. Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
console_handler_thread_waiter. It is obsolete.
(ctrl_c_handler): Don't use console_handler_thread_waiter.
* path.cc (hash_path_name): Fix handling of relative names. Make case
insensitive.
* path.h (suffix_info): Use initializers.
* pinfo.h (_pinfo): Avoid initializers for null case.
* resource.cc (fill_rusage): Zero rest of rusage structure.
* security.cc (set_process_privileges): Don't reopen parent process. Just use
hMainProc.
* signal.cc (signal): Track when a signal handler has been used.
(sigaction): Ditto.
* sigproc.cc (pchildren): Use default initializer.
(zombies): Ditto.
(sigproc_terminate): Avoid closing handles that will be closed on exit anyway.
(wait_sig): Send signal to "parent" on EXECing, not FORKing.
(wait_subproc): Send SIGCHLD here rather than in proc_wait to avoid potential
muto conflicts.
* sigproc.h (sigthread): Don't initialize to zero. It's the default.
* spawn.cc (spawn_guts): Fill in resources from exec parent prior to
termination.
* sync.h (muto): Don't initialize to zero.
* syscalls.cc (close_all_files): Use one lock around entire loop and call
fhandler close/release stuff directly.
(_read): Don't use ready_for_read if there are not signal handlers active.
* dcrt0.cc (dll_crt0_1): Fix display of "title".
(do_exit): Use pinfo exit method to exit.
(__api_fatal): Ditto.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_child): Remove debugging stuff. Use pinfo_fixup_after fork in
place of exec_fixup_after_fork.
* pinfo.cc (pinfo_fixup_after_fork): New method.
(pinfo_fixup_in_spawned_child): Ditto.
(_pinfo::exit): New method.
(_pinfo::init): Remove recursion. Detect pathological case where pinfo
structure already exists for new pid.
* pinfo.h (_pinfo): Reorganize slightly. Add new method and new function
declarations.
* sigproc.cc (proc_exists): Previous simplification was a little to simple.
Try harder to detect if a process exists.
(proc_terminate): Use PID_EXITED setting to determine if process is still
around.
(WFSO): Remove debugging statement.
(WFMO): Ditto.
* spawn.cc (exec_fixup_after_fork): Eliminate.
(spawn_guts): Always set old_title to NULL. Is it really needed? Move
hexec_proc to pinfo.cc. Call pinfo_fixup_in_spawned_child to eliminate handle
link after a spawn.
* include/sys/cygwin.h: Remove PID_NOT_IN_USE. Add PID_EXITED.
* fhandler.cc (fhandler_base::fstat): Move to inline method in fhandler.h.
(fhandler_base::set_io_handle): Ditto.
* fhandler.h (fhandler_base): Make some methods inline.
* fhandler_console.cc (fhandler_console::write_normal): Make buffer larger.
* sigproc.h (sigframe::sigframe): Actually use set ebp parameter correctly.
* spawn.cc (spawn_guts): Set dwProcessId when exec'ing. Just exit immediately
after reparenting.
* syscalls.cc: Sprinkle sigframe stuff throughout.
* wait.cc (wait4): Set signal frame here.
* dcrt0.cc (__api_fatal): Don't rely on small_printf to display errors. Always
display problems to the console, if possible.
* environ.cc (environ_init): Remember to reparse CYGWIN if envp is
supplied.
* heap.cc (_sbrk): Remember frame for signal handling.
* syscalls.cc (read_handler): Eliminate.
(_read): Move read_handler code here. Reorganize for one path through
'ready_for_read'.
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
Include sys/termios.h for files which need it.
* tty.h: New file.
* shared_info.h: New file.
* fhandler.h: Move inline methods that rely on tty stuff to
fhandler_console.cc.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set
output_done_event immediately after reading data to speed up tty output
processing.
(process_output): Set write_error to errno or zero.
(fhandler_tty_slave::write): Check previous write error prior to writing to
slave end of pipe. This allows tty output to be slightly less synchronous.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Moved here from
fhandler.h.
(fhandler_console::set_input_state): Ditto.
* child_info.h: Add specific exec class.
* cygheap.h: New file. Contains declarations for cygwin heap.
* cygheap.cc: New file. Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here. Accomodate new method for
passing arguments between cygwin programs. Initialize cygwin heap. Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods. Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h. Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name. fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd. Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table. Pass this
to environ_init. Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child. Build argv list using new
method. Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions. Add envsize() declaration.
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting. Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno. Add more checks for trailing / and /.. even though they are currently
useless. Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
(cygwin_select): Move fd_set copying logic from ::wait to here. Use common
return through sell.poll.
(select_stuff::wait): Just return success or failure and let caller fill in
fd_set.
* pinfo.h (pinfo): Eliminate self-referential pointer to sidbuf since pinfo
structure exists at random locations now.
* fork.cc (fork): Use 'use_psid' element to control when the psid is relevant.
* shared.cc (sec_user): Ditto.
* spawn.cc (spawn_guts): Ditto.
* uinfo.cc (internal_getlogin): Ditto.
* syscall.cc (seteuid): Ditto. Set use_psid element.
since we are already bounds checked by default.
* thread.cc (ResourceLocks::Lock): Streamline this function since it is called
a lot.
(ReleaseResourceLock): Ditto.
* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
the changes below. Redefine process structure to avoid a fixed size table.
Redefine pinfo/_pinfo classes. Use these throughout.
* dcrt0.cc (dll_crt0_1): Accomodate set_myself argument change.
(__api_fatal): Accomodate _pinfo::record_death argument change.
* exceptions.cc (really_exit): Ditto.
(sig_handle_tty_stop): Use pinfo constructor to access process info.
(events_init): Don't create pinfo_mutex since it is no longer required.
* external.cc (fillout_pinfo): Use winpids class to iterate over all system
pids.
(cygwin_internal): lock_pinfo_for_update and unlock_pinfo are now noops.
* fhandler_termios.cc (fhandler_termios::set_ctty): Use pinfo constructor to
access process info.
* fork.cc (fork): Reorganize to initialize child info after the child has
started since that is when we know the child's winpid, which is necessary to
allocate the pinfo shared memory.
* mmap.cc (recreate_mmaps_after_fork): Change arg type to _pinfo.
* pinfo.cc: Rename pinfo methods to _pinfo throughout. Eliminate pinfo_list
stuff.
(set_myself): Accept a pid argument now. Call pinfo initializer to initialize
myself. Detect when this is an "execed" process and create an "indirect" pid
block.
(pinfo_init): Accomodate set_myself arg change.
(procinfo): Remove.
(pinfo::lock_pinfo): Remove.
(pinfo::unlock_pinfo): Remove.
(pinfo::init): New method. Allocates shared memory space for process pinfo
structure.
(pinfo::record_death): Don't call locking functions.
(cygwin_winpid_to_pid): Simplify by using new pinfo constructor.
(EnumProcessesW95): New function for iterating over processes on Windows 95.
(winpids::winpids): New constructor for winpids class. Sets up a list of
process ids.
(enum_init): Initialize w95/wnt pid enumerators.
* shared.cc (shared-info::initialize): Remove pid initialization.
* shared.h: Move pinfo stuff into pinfo.h.
(class shared_info): Remove pinfo_list element.
* signal.cc (kill_worker): Use pinfo constructor to access process info.
(kill_pgrp): Ditto. Use winpids methods to access list of processes.
* sigproc.cc: Throughout, modify to use _pinfo where appropriate.
(proc_exists (pid_t)): New function. Determines if a process exists based on
the pid.
(proc_exists (_pinfo *p): Use new proc_exists function above.
(proc_subproc): Copy pinfo stuff around rather than _pinfo pointers. Try to be
careful about releasing shared memory when we don't need it anymore. Remove
pinfo locks.
(remove_zombies): Remove pinfo memory when zombie is going away.
* sigproc.h: Reflect _pinfo/pinfo changes in sigproc.cc.
* spawn.cc (spawn_guts): Eliminate pinfo *child argument. Reorganize to only
initialize child pinfo after process has been started and we know the windows
pid.
(_spawnve): Reflect spawn_guts changes.
* syscalls.cc (setpgid): Use pinfo constructor to access process info.
(getpgid): Ditto.
(internal_getlogin): Use _pinfo.
* winsup.h: Eliminate pinfo_mutex. Eliminate spawn_guts declaration since it
is static now. Reflect set_myself argument change.
* include/sys/cygwin.h: Add some PID_* enums to accomodate new pinfo stuff.
* include/cygwin/version.h: Update minor version for cygdrive changes below.
* winsup.h: Add new macros sys_wcstombs and sys_mbstowcs.
* syscalls.cc (_link): Replace calls to mbstowcs by call to
sys_mbstowcs.
* uinfo.cc (internal_getlogin): Replace calls to wcstombs and
mbstowcs by calls to sys_wcstombs and sys_mbstowcs. Replace
usage of constants by meaningful defines. Use result of
GetSystemDirectory for HOMEPATH and HOMEDRIVE as a last resort.
* syscalls.cc (chroot): Set new root for process.
* path.cc (getcwd_inner): Add parameter to force use of
new root from chroot() call.
(ischrootpath): New macro.
(normalize_posix_path): Care for changed root dir.
(normalize_win32_path): Ditto.
(getcwd_inner): Ditto.
(chdir): Eliminate trailing path component consisting
entirely of dots.
* fork.cc (fork): Copy pinfo members regarding chroot().
* spawn.cc (_spawnve): Ditto.
* dir.cc (opendir): Don't use computed win32 path if
chroot() took place.
for second argument.
* path.h: Generalize SYMLINK_* constants to PC_*.
(path_conv): Create a new method. Fold third argument into second.
* dll_init.cc (dll_list::alloc): Try harder to find space to allocate dll
struct.
(dll_dllcrt0): Don't check sanity if we've already called dll_crt0.
* path.cc (path_conv::check): Don't check for a null or empty path unless
specifically told with a flag setting.
(check_null_empty_path): New function, adapted from macro.
* syscalls.cc (_rename): Use already-determined file attributes rather than
checking again.
* lib/cygwin/cygwin_attach.dll.c (cygwin_attach_dll): Use a static per_process
structure since this is apparently supposed to be zeroed.
* lib/cygwin_crt0.c (cygwin_crt0): Zero per_process structure sent to older
DLLs.
an fd.
* external.cc (cygwin_internal): Add handling of perfile_table setting.
* fhandler.cc (perfile_table): New global.
(fhandler_base::get_default_fmode): New method to return a file's default mode
based on its name.
(fhandler_base::open): Use get_default_mode method to determine a file's mode.
Record file mode in file flags.
* fhandler.h (fhandler_base): Declare get_default_fmode
* syscalls.cc (getmode): New function.
* sys/cygwin.h (__cygwin_perfile): New structure.
(cygwin_getinfo_types): Move outside of WINVER conditional.
(per_process): Move inside of WINVER conditional.
* (dummy_autoload): Add functions used in fhandler_console.
* fhandler_console.cc (fhandler_console::read): Use ENCHANCED_KEY flag to
distinguish extended keys. Translate an input character from the OEM code page
to the ANSI code page.
* (fhandler_console::write_normal): Translate output characters from the ANSI
code page to the OEM code page.
* syscalls.cc (_link): Use MultiByteToWideChar instead of OemToCharW.
Christopher Faylor
Corinna Vinschen
Egor Duda
DJ Delorie