delete files since this allows us to preserve the protection of hard linked
files.
(link): Generate full path for potentially recalculated .lnk target.
(path_conv::is_lnk_symlink): New function. True if path represents .lnk style
symlink.
* path.cc (check_shortcut): Set PATH_LNK in pflags when appropriate.
(symlink_info::check): Ditto. Remove PATH_LNK from pflags initially.
* syscalls.cc (unlink): Always remove readonly attribute from a symlink
regardless of type.
(link): (from Corinna Vinschen) Allow links to symlinks. Reset attributes on a
symlink after successful link creation.
(chmod): Use is_lnk_symlink where appropriate.
(rename): Ditto.
* tty.cc (create_tty_master): Call GetComputerName instead of
cygwin_gethostname. Set ut_id.
* syscalls.cc (login): Call endutent.
(setutent): Do not seek after a fresh open.
(fhandler_tty_slave::dup): Declare new function.
(fhandler_tty_slave::fixup_after_function): Declare new function.
* fhandler_tty.cc (fhandler_tty_slave_open): Only increment
fhandler_console::open_fhs when associated with a pty.
(fhandler_tty_slave::close): Define new function. Decrement
fhandler_console::open_fhs when associated with a pty.
(fhandler_tty_slave::dup): Define new function. Increment
fhandler_console::open_fhs when associated with a pty.
(fhandler_tty_slave::fixup_after_fork): Define new function. Increment
fhandler_console::open_fhs when associated with a pty.
* fhandler_socket.cc (class sock_event): New class managing Winsock
events for interruptible socket calls.
(fhandler_socket::connect): Move support for interruptible call to
class sock_event. Use class object instead.
(fhandler_socket::accept): Ditto. Remove useless casts.
2003-03-27 Thomas Pfaff <tpfaff@gmx.net>
* fhandler_socket.cc (fhandler_socket::connect): Add support for
an interruptable connect.
data on sockets to evaluate AF_LOCAL sockets correctly.
(dtable::build_fhandler): Set unit number on sockets.
* fhandler.h (fhandler_socket): Add unit number.
(fhandler_socket::get_unit): New method.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Set unit
number.
(fhandler_socket::fstat): Reorganize to return more Linux-like
values.
* net.cc: include ctype.h.
(fdsock): Set unit number when building fhandler.
* path.cc (path_conv::check): Set device type to FH_SOCKET if file
is a AF_UNIX socket.
(get_devn): Evaluate unit for virtual socket devices.
(win32_device_name): Set windows path for sockets to unix_path with
just backslashes to keep the different names.
* syscalls.cc (fstat64): Don't override st_ino, st_dev and st_rdev
for sockets.
(stat_worker): Ditto.
From Pierre Humblet:
* autoload.cc (AccessCheck): Add.
(DuplicateToken): Add.
* security.h (check_file_access): Declare.
* syscalls.cc (access): Convert path to Windows, check existence
and readonly attribute. Call check_file_access instead of acl_access.
* security.cc (check_file_access): Create.
* sec_acl (acl_access): Delete.
(fhandler_disk_file::open): Accept some filesystem specific stuff.
* sigproc.cc (wait_for_sigthread): Become slightly more thread safe.
(sig_send): Don't assume that signal thread is ready.
* include/winioctl.h (FSCTL_SET_SPARSE): Define.
cygwin:
* wincap.h (wincaps::supports_sparse_files): New flag.
(wincapc::supports_sparse_files): New method.
* wincap.cc (wincap_unknown): Define value for the new flag.
(wincap_95): Ditto.
(wincap_95osr2): Ditto.
(wincap_98): Ditto.
(wincap_98se): Ditto.
(wincap_me): Ditto.
(wincap_nt3): Ditto.
(wincap_nt4): Ditto.
(wincap_nt4sp4): Ditto.
(wincap_2000): Ditto.
(wincap_xp): Ditto.
* path.h (path_conv::fs_flags): New method.
* fhandler_disk_file.cc: Include winioctl.h for DeviceIoControl.
(fhandler_disk_file::open): Set newly created and truncated files as
sparse on platforms that support it.
parameter. Only protect pages actually unused currently. Do job
of map_map() when initializing a map.
(mmap_record::map_map): Reduce functionality for the reuse case
of private anonymous mapping.
(mmap_record::fixup_map): Format change.
(list::add_record): Add offset and length parameter to call
mmap_record::alloc_map() correctly.
(mmap64): Rename `l' variable to `map_list'. Accomodate above changes.
(munmap): Rename `l' variable to `map_list'.
(msync): Ditto.
(fhandler_disk_file::mmap): Streamline code.
(mprotect): Ditto.
(fixup_mmaps_after_fork): Rename `l' variable to `map_list'.
* exceptions.cc (try_to_debug): Set priority of current thread rather than the
main thread. Make busy waiting loop less busy. Restore priority when function
returns.
declaration of is_grp_member.
* uinfo.cc (internal_getlogin): Use UNKNOWN_GID.
* passwd.cc (pwdgrp::read_passwd): Use UNKNOWN_UID.
* grp.cc (pwdgrp::read_group): Change group name to provide better
feedback.
(getgrgid): Use gid16togid32.
* sec_helper.cc (is_grp_member): Delete.
loop. Set default rights to same values as in alloc_sd(). Set DELETE
for owner and default owner only if S_IWOTH is given.
* sec_acl.cc: Change all __aclent16_t to __aclent32_t except in
wrapper function definitions. Replace call to the aclXYZ functions by
calls aclXYZ32.
(searchace): Change type of third argument to __uid32_t and use
ILLEGAL_UID instead of -1;
(setacl): Remove some initializations. Only give STANDARD_RIGHTS_WRITE
for S_IWOTH. Replace -1 by ILLEGAL_UID.
(getacl): Change type of owner_sid, group_sid and ace_sid to cygpsid.
In last else clause, suppress second call to ace_sid.get_id and use
TRUE in first call. Replace EqualSid by ==.
(acl_access): Call internal_getgroups in USER and GROUP cases.
(acecmp: Define static.
(acl32): Create from 16 bit type.
(facl32): Ditto.
(lacl32): Ditto.
(aclcheck32): Ditto.
(aclsort32): Ditto.
(acltomode32): Ditto.
(aclfrommode32): Ditto.
(acltopbits32): Ditto.
(aclfrompbits32): Ditto.
(acltotext32): Ditto.
(aclfromtext32): Ditto, and use strechr.
(acl16to32): Create.
(acl): Make it a wrapper function.
(facl): Ditto.
(lacl): Ditto.
(aclcheck): Ditto.
(aclsort): Ditto.
(acltomode): Ditto.
(aclfrommode): Ditto.
(acltopbits): Ditto.
(aclfrompbits): Ditto.
(acltotext): Ditto.
(aclfromtext): Ditto.
* security.cc (write_sd): Call set_process_privilege and check
ownership.
(alloc_sd): Remove call to set_process_privilege and the owner check.
* security.cc (extract_nt_dom_user): Simplify with strechr.
(get_user_groups): Initialize glen to MAX_SID_LEN.
(get_user_local_groups): Ditto.
(get_attribute_from_acl): Define ace_sid as cygpsid.
(get_nt_attribute): Define owner_sid and group_sid as cygpsid.
Call get_sids_info instead of cygsid.get_{u,g}id and is_grp_member.
(get_nt_object_attribute): Ditto.
(alloc_sd): Define ace_sid as cygpsid.
(class cygsid): Use cygpsid as base. Remove members psid, get_id,
get_uid, get_gid, string, debug_printf and the == and != operators.
(cygsidlist::clear_supp): Only do work if setgroups has been called.
* sec_helper.cc: Define sid_auth NO_COPY.
(cygpsid::operator==): New operator.
(cygpsid::get_id): New function.
(cygpsid::string): New function.
(cygsid::string): Delete.
(cygsid::get_id): Delete.
* pwdgrp.h: Change arguments of internal_getpwsid,
internal_getgrsid and internal_getgroups to cygpsid.
* passwd.cc (internal_getpwsid): Change argument from cygsid to cygpsid.
* grp.cc (internal_getgrsid): Ditto.
(internal_getgroups): Ditto.
* autoload.cc: Add OpenThreadToken.
* sec_helper.cc (set_process_privilege): Add and use use_thread
argument.
* security.cc (alloc_sd): Modify call to set_process_privilege.
Remember the result in each process. If failed and file owner is not
the user, fail.
(internal_getgrsid): Only refresh if uninitialized.
(internal_getgrent): Ditto.
* passwd.cc (getpwent): Only refresh passwd entries when at beginning.
(pwdgrp::read_passwd): linebuf *cannot* be NO_COPY.
(internal_getpwsid): Only refresh if uninitialized.
(getpass): No need to refresh passwd data here.
* pwdgrp.h (refresh): Eliminate default.
* termios.cc (tcsetattr): Correctly record errno after tcsetattr call.
* fhandler_serial.cc (fhandler_serial::tcsetattr): Add error-checking so that
if any Win32 SetComm*() calls fail, errno gets set to EINVAL and tcsetattr()
returns -1. Catch invalid bitrates, mostly. If baud rate setting is B0, just
drop DTR and leave Win32 DCB bitrate as-is since 0 is not a valid Win32
setting.
(fhandler_serial::tcgetattr): If DTR is low, populate the bitrate as B0,
otherwise get it from the DCB.
Humblet).
* pwdgrp.h (pwdgrp::refresh): Avoid calling read function if we already have
lock since that means we are in the process of reading the file.
* uinfo.cc (pwdgrp::next_str): Search only for input char in string. Return
EOS on failure. Don't check for NULL since it shouldn't be possible.
(pwdgrp::add_line): Revert to replacing '\n' in input line with '\0'.
(pwdgrp::next_num): Pass explicit separator character to next_str.
* grp.cc (pwdgrp::parse_group): Ditto.
* passwd.cc (pwdgrp::parse_passwd): Ditto. Revamp test for garbage input.
* pwdgrp.h (pwdgrp::next_str): Don't use default parameter.
output.
* pwdgrp.h (pwdgrp::next_num): Rename from next_int. Returns true/false if
parse operation succeeded.
(pwdgrp::reparse): Remove.
(pwdgrp::raw_ptr): New function. Returns pointer in line.
(pwdgrp::next_num): New functions for parsing other than unsigned long.
* grp.cc (pwdgrp::parse_group): Reinstate previous parsing behavior. Don't
fill in fields with NULL and assign empty gr_mem to known pointer rather than
doing a pointless calloc. Streamline gr_mem parsing. Don't increment
curr_lines here.
* passwd.cc (pwdgrp::parse_passwd): Use new behavior of next_num. Don't
increment curr_lines here.
* uinfo.cc (pwdgrp::next_str): Keep returning EOL if out of data.
(pwdgrp::reparse): Remove.
(pwdgrp::next_num): Rename from next_int. Return bool indicating success of
parse, argument returns value parsed.
(pwdgrp::add_line): Increment curr_lines here on successful parse.
(pwdgrp::load): (from Pierre Humblet) Don't return status. Just report it
here.
update the euid and call cygheap->user.set_name. Remove special
handling of ILLEGAL_UID.
(setgid32): Add a debug_printf. On Win95, always set the egid.
Remove special handling of ILLEGAL_GID. Do not compare gid and gr_gid.
* child_info.h (class cygheap_exec_info): Remove uid.
* spawn.cc (spawn_guts): Do not set ciresrv.moreinfo->uid.
* dcrto.cc (dll_crt0_1): Always call uinfo_init.
* uinfo.cc (uinfo_init): Reorganize and close handle if needed.
(cygheap_user::ontherange): Do not call internal_getpwnam if pw is NULL.
* signal.cc (nanosleep): New function.
(sleep): Move old functionality to nanosleep(). Call nanosleep().
(usleep): Remove old functionality. Call nanosleep().
* include/cygwin/version.h: Bump API minor number.
(gr): Use constructor (sigh).
(pwdgrp::parse_group): Rename from parse_grp.
(pwdgrp::read_group): Rename from read_etc_group. Just call gr.load with a
single argument.
* passwd.cc: Call pr.refresh() rather than doing isunitialized tests
throughout.
(pr): Use constructor (sigh).
(pwdgrp::parse_passwd): Rename from "parse_pwd".
(pwdgrp::read_passwd): Rename from read_etc_passwd. Just call pr.load with a
single argument.
* pwdgrp.h (pwdgrp_state): Eliminate.
(pwdgrp): Reflect above renamings.
(pwdgrp::etc_ix): Rename from pwd_ix.
(pwdgrp::read): New element.
(pwdgrp::lock): New element.
(pwdgrp::refresh): New function.
(pwdgrp::load): Eliminate variations which take buffer arguments.
(pwdgrp::pwdgrp): New constructors. Initialize mutex here.
* uinfo.cc (pwdgrp::load): Accommodate pwd_ix -> etc_ix renaming.
(pwdgrp::load): Set initialized state to true rather than setting state to
loaded.
(etc::set_last_modified): Remove obsolete function.
* path.cc (etc::change_possible): Revert type to bool.
(etc::test_file_change): Do not test for negative values of change_possible and
do not set it to -res.
(etc::dir_changed): When the handle is NULL, call memset instead of
test_file_changed. When the handle is invalid, return true.
(etc::file_changed): Remove unneeded check for !fn[n].
(pwdgrp::max_lines): New field.
(pwdgrp::curr_lines): New field.
(pwdgrp::pwdgrp_buf): Ditto.
(pwdgrp_buf_elem_size): Ditto.
(pwdgrp_parse): Ditto.
(pwdgrp::gets): Just declare here.
(pwdgrp::load): Ditto. Just take one argument.
(pwdgrp::load): Define overloaded function accepting passwd buf.
(pwdgrp::load): Define overloaded function accepting group buf.
* grp.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_grp): Define as returning boolean. Accept void * arg and line count.
Coerce first argument into __group32 buf reference. Increment curr_line as
appropriate.
(read_etc_group): Pass pwdgrp buffer to gr.load.
* passwd.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_passwd): Define as returning boolean. Accept void * arg and line count.
Coerce first argument into passwd buf reference. Increment curr_line as
appropriate.
(read_etc_group): Pass pwdgrp buffer to pr.load.
* path.cc (etc::fn): Extend buffer size to allow index by 1 rather than zero.
(etc::last_modified): Ditto.
(etc::change_possible): Ditto. Renamed from sawchange. Change to signed char
since elements are now tri-state.
(etc::init): Assume "handle" is 1 based rather than 0.
(etc::test_file_change): New function. Sets change_possible based on file date
comparison.
(etc::dir_changed): Check file states immediately after changed_h is
initialized to avoid a race.
(etc::file_changed): Use test_file_change to detect if file needs to be
updated.
* path.h (etc): Move class here from pwdgrp.h.
* uinfo.cc: Move etc:: functions to path.cc. Move pwdgrp functions here.
(pwdgrp::gets): Eliminate buf checks. Just check eptr and set lptr.
(pwdgrp::add_line): New function.
(pwdgrp::load): Call generic add_line function which will call correct parser.
"unknown" to "mkgroup".
(internal_getgrgid): Do not return default in nontsec case.
(internal_getgroups): Add argument srchsid and look for it in groups if not
NULL.
* passwd.cc (read_etc_passwd): On NT, add a line for uid = -1. Use same
default uid for Win95 and NT. Call cygheap_user::ontherange to initialize
HOME.
* cygheap.cc (init_cygheap::etc_changed): Move to uinfo.cc.
* cygheap.h (init_cygheap::etc_changed_h): Remove.
(init_cygheap::etc_changed): Ditto.
* grp.cc (group_state): Remove. Use gr instead throughout.
(gr): Define as class pwdgrp.
(read_etc_group): Remove gr definition. Remove calls to set_last_modified and
close. Pass add_grp to gr.load to load file.
* passwd.cc (passwd_state): Remove. Use pr instead, throughout.
(pr): Define as class pwdgrp.
(read_etc_passwd): Remove pr definition. Remove calls to set_last_modified and
close. Pass add_pwd_line to pr.load to load file.
* pwdgrp.h (etc): New helper class for pwdgrp.
(pwdgrp): Combine pwdgrp_check and pwdgrp_read into one class. Remove file_w32
and last_modified fields.
(pwdgrp::set_last_modified): Remove.
(pwdgrp::isinitializing): Remove FindFirstFile stuff. Move to
etc::file_changed.
(pwdgrp::load): Rename from 'open'. Call etc::init to initialize etc scanning.
Close file handle after reading buffer into memory. Parse buffer by calling
second argument.
(pwdgrp::gets): Reorganize slightly to rely on eptr starting at beginning of
buffer. Free buffer when memory exhausted.
(pwdgrp::close): Remove.
* uinfo.cc (etc::dir_changed): New function.
(etc::init): Ditto.
(etc::file_changed): Ditto.
(etc::set_last_modified): Ditto.
for strictness.
(mprotect): Protect against calling VirtualProtect() for shared
pages on 9x/Me.
(fixup_mmaps_after_fork): If ReadProcessMemory() fails, try to
change protection of parent page to PAGE_READONLY, then try again.
Revert protection afterwards.
(setacl): Start the search for a matching default at the next entry.
Invalidate the type of merged entries instead of clearing it.
Use well_known_creator for default owner and owning group and do
not try to merge non-default and default entries in these cases.
(getacl): Recognize well_known_creator for default owner and group.
(acl_worker): Improve errno settings and streamline the nontsec case.
* security.cc (write_sd): Remove the call to set_process_privilege.
(alloc_sd): If the owner changes, call set_process_privilege and return
immediately on failure. Change inheritance rules: on new directories add
inherit only allow ACEs for creator_owner, creator_group and everyone.
Preserve all inheritances through chmod and chown calls. Introduce
isownergroup to implement the uid == gid case, to keep the inheritance
code simple. Do not initialize owner_sid and group_sid and stop using
the variable psd.
* path.cc (iscygdrive): Disallow /cygdrive\x.
(normalize_posix_path): "Normalize" a windows path, if detected, rather than
converting to posix.
* fhandler_serial.cc (fhandler_serial::tcsetattr): Add support and capability
checking for B230400 bitrate.
(fhandler_serial::tcgetattr): Add support for B230400 bitrate.
* include/sys/termios.h: Add B230400 definition for Posix support of 230.4Kbps.
needed.
* dtable.cc (dtable::vfork_parent_restore): Remove assertion.
* pipe.cc (fhandler_pipe::close): Don't close read_state during fork_fixup
since it wasn't inherited.
passed-in termios struct.
* fhandler_console.cc (fhandler_console::read): Prior to loop, make a copy of
current termios for passing to line_edit prior so that all characters are
processed consistently.
* fhandler_tty.cc (fhandler_pty_master::write): Ditto.
(process_input): Make a copy of curent termios prior to read for use in
subsequent line_edit.
* fhandler_termios.cc (fhandler_termios::line_edit): Replace third parameter
with passed-in termios struct and use it throughout rather than the data from
the current fhandler_termios class.
Corinna Vinschen
Christopher Faylor
Thomas Pfaff
Pierre Humblet
Nathanael Nerode