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2001-07-26Throughout, reorganize header file inclusion to put security.h prior toChristopher Faylor
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.
2001-07-18* cygheap.cc (_cmalloc): Use correct constants for size calculation.Christopher Faylor
* dcrt0.cc (dll_crt0_1): Move uid initialization earlier. * fork.cc (fork_parent): Move cygheap_setup_in_child to just prior to CreateProcess so that all contents of cygheap are copied. * spawn.cc (spawn_guts): Ditto.
2001-07-17* child_info.h: Bump magic number.Christopher Faylor
(class child_info): Add an element. * cygheap.cc (init_cheap): Allocate cygwin heap in shared memory area. (cygheap_fixup_in_child): Map cygwin heap, passed from parent via shared memory into correct address. (cygheap_setup_for_child): New function. * cygheap.h: Declare new functions. * dcrt0.cc (dll_crt0_1): Accomodate new cygheap_fixup_in_child arguments. Avoid protecting subproc_ready unless it is spawn/nowait. * fork.cc (fork_parent): Use new cygheap_setup_for_child function to setup cygwin heap info. Close passed cygheap shared memory handle. * spawn.cc (spawn_guts): Ditto. Also, reorganize to avoid synchronization between parent and child in non-P_OVERLAY case. * sigproc.cc (wait_sig): Only signal subproc_ready when execing.
2001-06-27* fhandler.cc (fhandler_disk_file::fstat): Don't rely on exactly 3 charactersChristopher Faylor
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.
2001-06-25* exceptions.cc (interrupt_setup): Move actions from setup_handler to here.Christopher Faylor
(setup_handler): Move actions after a successful interrupt to interrupt_setup. * fork.cc (vfork): Augment debugging output. * sigproc.cc (proc_subproc): Ditto. * spawn.cc (spawn_guts): Ditto. Correctly fill out progname when spawn NO_WAIT. Call signal handler when a signal arrives. * sigproc.h: Declare a function.
2001-05-20 * autoload.cc: Add load statements for `LookupAccountNameW',Corinna Vinschen
`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'.
2001-05-15 * fork.cc (fork): Eliminate superfluous call to getuid().Corinna Vinschen
* 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.
2001-05-01 * autoload.cc: Add LoadDLLinitfunc for secur32.dll.Corinna Vinschen
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.
2001-04-19Throughout, change fdtab references to cygheap->fdtab.Christopher Faylor
* child_info.h (cygheap_exec_info): Eliminate special fdtab stuff. * spawn.cc (spawn_guts): Ditto. * cygheap.cc (cygheap_init): Initialize fdtab, if appropriate. * cygheap.h (CYGHEAPSIZE): Include size of init_cygheap. (_cmalloc_entry): Include fdtab here. * dtable.h (dtable): Declare/define new methods. * dtable.cc (dtable::vfork_child_fixup): New method. (dtable::fixup_after_exec): Remove unneeded extra arguments. * dcrt0.cc (dll_crt0_1): Ditto. * environ.cc (getwinenv): Use case sensitive comparison. (winenv): Make a copy of environment cache to avoid realloc problems when duplicate environment variables exist in the environment. (From Egor Duda) * net.cc (cygwin_socket): Revert Apr 14 change. * include/sys/file.h: Protect against previous X_OK definition. * passwd.cc: Eliminate passwd_sem throughout. * security.cc: Ditto. * cygwin.din: Export New functions. * passwd.cc (read_etc_passwd): Make race safe. (getpwuid_r): New function. (getpwnam_r): New function.
2001-04-17* path.h (cwdstuff): Move class.Christopher Faylor
* cygheap.h (cwdstuff): To here. (init_cygheap): Add cwd field. * child_info.h (cygheap_exec_info): Eliminate cwd stuff. (child_info_spawn): Ditto. * dcrt0.cc (dll_crt0_1): Remove cygcwd.fixup_after_exec call. Convert cygcwd reference to cygheap->cwd. * path.cc: Ditto, throughout. (cwdstuff::copy): Eliminate. (cwdstuff::fixup_after_exec): Ditto. * spawn.cc (spawn_guts): Eliminate call to cygcwd.copy. * fhandler.h (FH_OSS_DSP): Move into "fast" device category.
2001-03-18fix spacing.Christopher Faylor
2001-03-12* spawn.cc (spawn_guts): Don't set EXIT_REPARENTING if parent process is not aChristopher Faylor
cygwin process (suggested by Jason Gouger <cygwin@jason-gouger.com>).
2001-03-05* dlopen.c (dlopen): Return NULL when name is NULL (suggested byChristopher Faylor
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.
2001-02-22 * cygerrno.h: Revert previous patch.Corinna Vinschen
* errno.cc: Ditto. * dir.cc: Eliminate `dir_suffixes'. (opendir): Remove usage of `dir_suffixes'. (rmdir): Ditto. * fhandler.cc (fhandler_disk_file::open): Remove usage of `inner_suffixes'. * path.cc: Rename `inner_suffixes' to `lnk_suffixes'. (path_conv::check): Remove usage of `inner_suffixes'. (symlink): Ditto. (symlink_info::check): Handle checking for `.lnk' in path_conv exclusively here. (chdir): Remove usage of `dir_suffixes'. * shortcut.c: Eliminate debug_printf lines. (check_shortcut): Don't set error except on failing ReadFile. * spawn.cc: Remove ".lnk" from `std_suffixes'. * syscalls.cc (_unlink): Remove usage of `inner_suffixes'. Remove ".lnk" from `stat_suffixes'. (_rename): Add check for renaming a symlink to keep the ".lnk" suffix after renaming.
2001-02-22Add copyright year 2001Corinna Vinschen
2001-02-22 * Makefile.in: Add `-lshell32 -luuid' to link pass for new-cygwin1.dll.Corinna Vinschen
* 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.
2001-01-28Throughout, change 'cygwin_shared.mount' to 'mount_table'.Christopher Faylor
* 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.
2000-11-21* spawn.cc (spawn_guts): Quoting was still wrong. Keep trying to fix it.Christopher Faylor
2000-11-20* spawn.cc (spawn_guts): YA tweak for dealing with arcane rules of quoting inChristopher Faylor
"normal" Microsoft programs. * child_info.h: Bump fork magic number. * include/sys/mount.h: Add an entry for mixed mode.
2000-11-16 * cygheap.h: Move `token' and `impersonated' from class _pinfoCorinna Vinschen
to class cygheap_user. * pinfo.h: Ditto. * fork.cc (fork_child): Change usage of `token' and `impersonated' accordingly. (fork_parent): Ditto. * security.cc (cygwin_set_impersonation_token): Ditto. * sigproc.cc (proc_subproc): Ditto. * spawn.cc (spawn_guts): Ditto. * syscalls.cc (seteuid): Ditto. * uinfo.cc (uinfo_init): Ditto.
2000-11-15 * spawn.cc (spawn_guts): Revert patch to ignore chroot settingsCorinna Vinschen
on creating native Win32 environment.
2000-11-15Throughout use myself->ppid_handle rather than parent_alive.Christopher Faylor
* child_info.h (child_info): Eliminate parent_alive. * dcrt0.cc (dll_crt0_1): Call fork_init for debugging pid creation. * fork.cc (fork_child): Reflect change to fixup_mmaps_after_fork arguments. (slow_pid_reuse): New function to grab last 'n' pids to prevent pid reuse. (fork_parent): Move last_fork_proc into slow_pid_reuse. Handle fork_pids debugging. Eliminate unnecessary call to set_child_mmap_ptr. (fork_init): New debugging function. * mmap.cc (fixup_mmaps_after_fork): Renamed from recreate_mmaps_after_fork. Rely on copied data after a fork. (set_child_mmap_ptr): Eliminate. * pinfo.h (_pinfo): Eliminate parent_alive, mmap_ptr and reflect above changes. * spawn.cc (spawn_guts): Eliminate vestiges of "old way" of sending new hProc to parent process.
2000-11-15 * cygheap.cc (cygheap_root::cygheap_root): New function.Corinna Vinschen
(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.
2000-11-08* environ.cc (_addenv): malloc space for setenv if cygwin1.dll is used inChristopher Faylor
conjunction with older binaries. (environ_init): Ditto. * external.cc (get_cygdrive_info): New function. * external.cc (get_cygdrive_prefixes): Change to use get_cygdrive_info but toss the user and system flags. * external.cc (cygwin_internal): Add new CW_GET_CYGDRIVE_INFO case. * path.cc (mount_info::get_cygdrive_prefixes): Remove method. * path.cc (mount_info::get_cygdrive_info): New method. Actually, get_cygdrive_info is really an enhanced version of get_cygdrive_prefixes renamed to get_cygdrive_info that also gets the user and system flags. * shared_info.h (get_cygdrive_prefixes): Remove method. * shared_info.h (get_cygdrive_info): New method. * include/cygwin/version.h: Bump minor API version due to adding CW_GET_CYGDRIVE_INFO to cygwin_internal. * include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_CYGDRIVE_INFO.
2000-11-06* child_info.h (child_info): Add pppid_handle for closing the parent's of theChristopher Faylor
parent handle. * dcrt0.cc (_dll_crt0): Close parent's parent handle when spawned or forked. * debug.cc (add_handle): Correct erroneous reference to handle structure when printing warning. * exceptions.cc (interrupt_now): Always return 1. (interrupt_on_return): Accept a sigthread argument. Check to see if this argument has been trashed prior to setting up the stack return. (call_handler): Add a loop around attempts to dispatch signals to detect case where interrupt_on_return fails. (_sigdelayed): Set up a temporary frame pointer prior to calling stuff that could trigger an interrupt or the stack walking code will be very confused. * fork.cc (fork_parent): Move a lot of the setup of the child process into proc_subproc. * spawn.cc (spawn_guts): Ditto. Use ppid_handle to contact logical parent when reparenting. * pinfo.h (_pinfo): Remember the logical handle of the parent process. * sigproc.cc (proc_subproc): Record most stuff necessary for the _pinfo structure that is inferrable from myself when adding children. (wait_sig): Always set 'pending_signals' flag when about to kick off the signal scanning loop. Reset it only if there are no pending signals.
2000-11-04* pinfo.cc (EnumProcessesNT): Avoid 0 pids.Christopher Faylor
(EnumProcesses9x): Ditto. * sigproc.cc (remove_childe): Eliminate. (proc_subproc): Move remove_child stuff here. (wait_subproc): Synchronize with proc_subproc when error occurs. Add more debugging info. * sigproc.h (procstuff): Add an entry. * spawn.cc (spawn_guts): Add sigframe here.
2000-10-28Whitespace cleanup.Christopher Faylor
* configure.in: Eliminate subdir stuff. * configure: Regenerate. * include/getopt.h (option): Make name field 'const'.
2000-10-26 * dtable.cc (dtable::release): Check for socket. ChangeCorinna Vinschen
cnt_need_fixup_before accordingly. (dtable::dup2): Ditto. (dtable::fixup_before_fork): New method. (dtable::fixup_before_exec): Ditto. * dtable.h (class dtable): Add member `cnt_need_fixup_before'. Add definition for methods `dec_need_fixup_before', `inc_need_fixup_before', `need_fixup_before', `fixup_before_exec' and `fixup_before_fork'. * fhandler.h (class fhandler_base): Slight rearrangements. Add definitions for methods `fixup_before_fork_exec'. (class fhandler_socket): Eliminate superfluous constructor. Add member `prot_info_ptr'. Add destructor. Add definitions for methods `dup', `fixup_before_fork_exec', `fixup_after_fork' and `fixup_after_exec'. * fork.cc (fork_parent): Care for file types which need a fixup before fork. Start child in suspended state then. * net.cc: New global variable `ws2_32_handle' and `wsadata'. (fdsock): Check for Winsock version. Call `set_socket_inheritance' only if Winsock version < 2.0. Care for `need_fixup' count in fdtab. (cygwin_socket): Eliminate call to `set_socket_inheritance'. (cygwin_accept): Ditto. (cygwin_rcmd): Ditto. (cygwin_rresvport): Ditto. (cygwin_rexec): Ditto. (socketpair): Ditto. (fhandler_socket::fhandler_socket): Set `need_fork_fixup'. Allocate space for the WSAPROTOCOL_INFOA struct used in fixup. (fhandler_socket::~fhandler_socket): New destructor. (fhandler_socket::fixup_before_fork_exec): New method. (fhandler_socket::fixup_after_fork): Ditto. (fhandler_socket::dup): Ditto. (wsock_init): New static function. (LoadDLLinitfunc (wsock32)): Rearranged. (LoadDLLinitfunc (ws2_32)): New function. (dummy_autoload): Add autoload statemants for `WSADuplicateSocketA' and `WSASocketA'. * spawn.cc (spawn_guts): Care for file types which need a fixup before exec. Start child in suspended state then.
2000-10-25* dcrt0.cc (do_exit): Don't bother looking for pgrp children to send SIGHUP ifChristopher Faylor
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.
2000-10-24* exceptions.cc (signal_exit): Kill any executing child process if we're dying.Christopher Faylor
* path.h: Remove unneeded extern. * spawn.cc (std_suffixes): Make static. Don't set dwProcessId here since it makes the process unsignalable. Set strace flag that this is an execed process stub. * strace.cc (strace::vsprntf): Use strace flag to indicate when to visually flag that this is an exec stub. * include/sys/strace.h (strace): Add 'execing' flag.
2000-10-21* spawn.cc (spawn_guts): Don't do the reparenting step if we notice that theChristopher Faylor
child has exited prior to sending the subprocess_ready signal (?).
2000-10-21* fhandler.h (fhandler_console): Remove tcsetpgrp.Christopher Faylor
* fhandler_console.cc (fhandler_console::tcsetpgrp): Eliminate. * fork.cc (fork_parent): Avoid returning same pid twice in a row regardless of OS. * pinfo.cc (pinfo::init): Rename create argument to flags and treat it as such. * signal.cc (set_sigcatchers): New function. (signal): Use set_sigcatchers to increment or decrement sigcatcher tracker. (sigaction): Ditto. Add debugging output. * spawn.cc (spawn_guts): Always quote first argv[0] argument when it's a COMSPEC shell.
2000-10-20* external.cc (fillout_pinfo): Pass PID_NOREDIR flag to pinfo init to avoidChristopher Faylor
finding execed processes twice. * signal.cc (kill_pgrp): Ditto. * spawn.cc (spawn_guts): Avoid passing first argument to CreateProcess when running a windows shell so that CreateProcess will locate the shell. Reorganize so that correct error is returned when CreateProcess fails.
2000-10-17* Makefile.in: Remove some obsolete stuff.Christopher Faylor
* 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.
2000-10-15* exceptions.cc (set_console_handler): Don't allocateChristopher Faylor
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.
2000-10-14* cygheap.cc (cygheap_fixup_in_child): Don't page round cygheap copied fromChristopher Faylor
parent. * dcrt0.cc (do_exit): Don't cleanup pinfo on exit. That happens automatically now. * exceptions.cc (signal_exit): Ditto. * fork.cc (fork_parent): Use stack_here value passed in from fork(). (fork): Figure out top of stack here and pass it to fork_parent. * pinfo.cc (_pinfo::record_death): Eliminate. * pinfo.h (_pinfo): Ditto. * sigproc.cc (proc_exists): Simplify. (proc_terminate): Ditto. (remove_zombie): Don't cleanup pinfo stuff. (wait_sig): Send subproc_ready signal whether execed or spawned. * spawn.cc (spawn_guts): Always create subproc_ready event. Use it for both exec and spawn. (_spawnve): Send proper mode to spawn_guts when mode != _P_OVERLAY.
2000-10-12* errno.cc (seterrno_from_win_error): Fix debugging output.Christopher Faylor
* 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.
2000-10-09* dtable.cc (set_std_handle): Use std_consts array to control SetStdHandleChristopher Faylor
settings. (dtable::fixup_after_fork): Ditto. * exceptions.cc (set_sig_errno): Remove some debugging output. * path.cc (path_conv::check): Don't OR need_directory with flags sent to symlink_info::check. (symlink_info::check): Use PATH_ALL_EXEC to determine when a file is executable. * path.h (path_types): Add PATH_ALL_EXEC. (isexec): Use PATH_ALL_EXEC so that cygexec types will be considered executable. * pinfo.h (_pinfo): Add a process handle that is kept open throughout the life of a cygwin pid. * sigproc.cc (proc_exists): Remove hopefully obsolete stuff. (proc_subproc): Set up process handle that is kept open throughout the life of a cygwin pid. Reorganize PROC_WAIT stuff to use common code. (proc_terminate): Close pid lifetime process handle. (checkstate): Cleanup. (stopped_or_terminated): Move zombie cleanup. (remove_zombie): To here. * spawn.cc (spawn_guts): Reorganize reparenting code for 1247th time.
2000-09-30* path.cc (symlink_info::check): Set executable bit for a file if the first twoChristopher Faylor
characters are 'MZ' to mirror spawn_guts check.
2000-09-27* spawn.cc (spawn_guts): Attempt to accomodate archaic windows quotingChristopher Faylor
mechanism when dealing with '\' and '"'.
2000-09-26* dcrt0.cc (quoted): Fix problem where ' quoted strings were skipped.Christopher Faylor
* fhandler.h (fhandler_socket::~fhandler_socket): Delete declaration. * net.cc: Remove unnecessary "number_of_sockets" usage. (fhandler_socket::fhandler_socket): Ditto. (fhandler_socket::~fhandler_socket): Delete definition. * spawn.cc (spawn_guts): Force first argument passed to CreateProcess as a command line to be windows style.
2000-09-25* spawn.cc (av::dup_maybe): Make function void rather than void *.Christopher Faylor
* 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'.
2000-09-19* spawn.cc (spawn_guts): Use actual program argument passed in for argv[0] asChristopher Faylor
originally suggested by Kazuhiro Fujieda <fujieda@jaist.ac.jp>.
2000-09-13* spawn.cc (av): Hide 'calloced' field and limit cstrduping to class methodsChristopher Faylor
only. (spawn_guts): Use methods for manipulating most newargv stuff. * child_info.h (child_info_spawn::~child_info_spawn): Avoid memory leaks in cygheap. * spawn.cc (spawn_guts): Ditto. * dcrt0.cc (quoted): Return next character after a quoted string when not doing special quote processing. Also ensure that non-NULL is returned in all circumstances. * spawn.cc (spawn_guts): Ensure that argv[0] is correctly set to the full path when a script is detected. Suggested by Kazuhiro Fujieda <fujieda@jaist.ac.jp>.
2000-09-08Break out more header info into separate files. Use appropriate header filesChristopher Faylor
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.
2000-09-07* sigproc.cc: Add include file for proper definitions.Christopher Faylor
* spawn.cc: Ditto. * winsup.h: Define cfree to avoid newlib pollution.
2000-09-05* path.cc (cwd_win32): Eliminate.Christopher Faylor
(cwd_posix): Eliminate. (cwd_hash): Eliminate. (cwdstuff::init): Rename from cwd_init. (cwdstuff::fixup_after_exec): Rename from cwd_fixup_after_exec. (cwdstuff::get): Rename from get_cwd_inner. (normalize_posix_path): Eliminate cwd argument. Just calculate when necessary. (normalize_win32_path): Ditto. (mount_info::conv_to_win32_path): Eliminate cwd retrieval here. (mount_info::conv_to_posix_path): Ditto. (hash_path_name): Accomodate additional methods in cwdstuff. (get_cwd_win32): Eliminate. (getcwd): Use cwdstuff methods. Properly handle case where buf == NULL and len < 0. (cwdstuff::get_hash): New method. (cwdstuff::get_initial): New method. (cwdstuff::set): New method. (cwdstuff::get): New method. (cwdstuff::copy): New method. * path.h: Move cwdstuff struct here. Add a bunch of stuff to cwdstuff. Make cygcwd an extern. * spawn.cc (spawn_guts): Use copy method to get copies of cwd info to pass to execed process. * dcrt0.cc (dll_crt0_1): Use cygcwd methods for cwd initialization.
2000-09-04* path.cc (readlink): Check if buffer length is positive. Truncate output toChristopher Faylor
buffer length. Don't terminate buffer with '\0'.
2000-09-03* Makefile.in: Add cygheap.o.Christopher Faylor
* 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.
2000-09-02* sigproc.cc (proc_info): Rename proc_exists which takes a pid to "pid_exists".Christopher Faylor
* shared.h: Split out "child_info" stuff into a new header file and use where necessary. Declare pid_exists. * child_info.h: New file.