when the real {u,g}ids and the groups are original.
Move RevertToSelf and ImpersonateLoggedOnUser to the main line.
* uinfo.cc (uinfo_init): Reorganize. If CreateProcess was called
while impersonated, preserve the uids and gids and call
ImpersonateLoggedOnUser. Preserve the uids and gids on Win9X.
* exceptions.cc (error_start_init): Quote the pgm in the command.
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.
* 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.
(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.
* pwdgrp.h (pwdgrp_check::pwdgrp_state): Replace by
pwdgrp_check::isinitializing ().
(pwdgrp_check::isinitializing): Create.
* passwd.cc (grab_int): Change type to unsigned, use strtoul and
set the pointer content to 0 if the field is invalid.
(parse_pwd): Move validity test after getting pw_gid.
(read_etc_passwd): Replace "passwd_state <= " by
passwd_state::isinitializing ().
(internal_getpwuid): Ditto.
(internal_getpwnam): Ditto.
(getpwent): Ditto.
(getpass): Ditto.
* grp.cc (parse_grp): Use strtoul for gr_gid and verify the validity.
(read_etc_group): Replace "group_state <= " by
group_state::isinitializing ().
(internal_getgrgid): Ditto.
(getgrent32): Ditto.
(internal_getgrent): Ditto.
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org>
* security.h: Move declarations of internal_getgrent,
internal_getpwsid and internal_getgrsid to pwdgrp.h.
* pwdgrp.h: Declare internal_getpwsid, internal_getpwnam,
internal_getpwuid, internal_getgrsid, internal_getgrgid,
internal_getgrnam, internal_getgrent and internal_getgroups.
Delete "emulated" from enum pwdgrp_state.
(pwdgrp_check::isuninitialized): Create.
(pwdgrp_check::pwdgrp_state): Change state to initializing
rather than to uninitialized.
(pwdgrp_read::gets): Remove trailing CRs.
* passwd.cc (grab_string): Don't look for NLs.
(grab_int): Ditto.
(parse_pwd): Don't look for CRs. Return 0 if entry is too short.
(search_for): Delete.
(read_etc_passwd): Simplify tests to actually read the file.
Set state to loaded before making internal_getpwXX calls.
Replace search_for calls by equivalent internal_pwgetXX calls.
(internal_getpwsid): Use passwd_state.isuninitialized to decide
to call read_etc_passwd.
(internal_getpwuid): Create.
(internal_getpwnam): Create.
(getpwuid32): Simply call internal_getpwuid.
(getpwuid_r32): Call internal_getpwuid.
(getpwnam): Simply call internal_getpwnam.
(getpwnam_r): Call internal_getpwnam.
* grp.cc (parse_grp): Don't look for CRs. Adjust blank space.
(add_grp_line): Adjust blank space.
(class group_lock): Ditto.
(read_etc_group): Simplify tests to actually read the file.
Set state to loaded before making internal_getgrXX calls.
Replace getgrXX calls by equivalent internal calls.
(internal_getgrsid): Use group_state.isuninitialized to decide
to call read_etc_group.
(internal_getgrgid): Create.
(internal_getgrnam): Create.
(getgroups32): Simply call internal_getgrgid.
(getgrnam32): Simply call internal_getgrnam.
(internal_getgrent): Call group_state.isuninitialized.
(internal_getgroups): Create from the former getgroups32, using
two of the four arguments. Set gid to myself->gid and username
to cygheap->user.name ().
(getgroups32): Simply call internal_getgroup.
(getgroups): Call internal_getgroup instead of getgroups32.
(setgroups32): Call internal versions of get{pw,gr}XX.
* sec_helper.cc: Include pwdgrp.h.
(is_grp_member): Call internal versions of get{pw,gr}XX.
* security.cc: Include pwdgrp.h.
(alloc_sd): Call internal versions of get{pw,gr}XX.
* syscalls.cc: Include pwdgrp.h.
(seteuid32): Call internal versions of get{pw,gr}XX.
(setegid32): Ditto.
* uinfo.cc: Include pwdgrp.h.
(internal_getlogin): Call internal versions of get{pw,gr}XX.
(cygheap_user::ontherange): Ditto.
* sec_acl.cc: Include pwdgrp.h.
(setacl): Call internal versions of get{pw,gr}XX.
(acl_access): Ditto and simplify logic.
(aclfromtext): Ditto.
Undeclare internal_getpwent. Define DEFAULT_UID_NT. Change
DEFAULT_GID.
* passwd.cc (internal_getpwsid): New function.
(internal_getpwent): Suppress.
(read_etc_passwd): Make static. Rewrite the code for the completion
line. Set curr_lines to 0.
(parse_pwd): Change type to static int. Return 0 for short lines.
(add_pwd_line): Pay attention to the value of parse_pwd.
(search_for): Do not look for nor return the DEFAULT_UID.
* grp.cc (read_etc_group): Make static. Free gr_mem and set
curr_lines to 0. Always call add_pwd_line. Rewrite the code for the
completion line.
(internal_getgrsid): New function.
(parse_grp): If grp.gr_mem is empty, set it to &null_ptr.
Never NULL gr_passwd.
(getgrgid32): Only return the default if ntsec is off and the gid is
ILLEGAL_GID.
* sec_helper.cc (cygsid::get_id): Use getpwsid and getgrsid.
(cygsid_getfrompw): Clean up last line.
(cygsid_getfromgr): Ditto.
(is_grp_member): Use getpwuid32 and getgrgid32.
* uinfo.cc (internal_getlogin): Set DEFAULT_GID at start.
Use getpwsid. Move the read of /etc/group after the second access
to /etc/passwd. Change some debug_printf.
already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls
throughout.
may not end up in the pool.
(cygthread::new): Avoid race when checking for initialized. Add debugging
code.
* fhandler.cc (fhandler_base::raw_read): Add case for ERROR_INVALID_HANDLE due
to Win95 directories.
(fhandler_base::open): Handle errors due to Win95 directories.
(fhandler_base::close): Add get_nohandle () test.
(fhandler_base::set_close_on_exec): Ditto.
(fhandler_base::fork_fixup): Ditto.
(fhandler_base::lock): Change error code to Posix EINVAL.
(fhandler_base::dup): If get_nohandle (), set new value to INVALID_HANDLE_VALUE
instead of NULL.
* fhandler_disk_file.cc (fhandler_disk_file::fstat): Call fstat_by_name if
get_nohandle (). Remove extraneous element from strpbrk.
(fhandler_disk_file::open): Remove test for Win95 directory.
* fhandler_random.cc (fhandler_dev_random::open): Add set_nohandle ().
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
(fhandler_dev_zero::close): Delete.
* fhandler.h (class fhandler_dev_zero): Ditto.
* include/cygwin/version.h: Bump API minor version.
* cygheap.h (class cygheap_user): Add member groups.
* security.h (class cygsidlist): Add members type and maxcount,
methods position, addfromgr, alloc_sids and free_sids and
operator+= (const PSID psid). Modify contains () to call
position () and optimize add () to use maxcount.
(class user_groups): Create.
Update declarations of verify_token and create_token.
* security.cc (cygsidlist::alloc_sids): New.
(cygsidlist::free_sids): New.
(get_token_group_sidlist): Create from get_group_sidlist.
(get_initgroups_sidlist): Create from get_group_sidlist.
(get_group_sidlist): Suppress.
(get_setgroups_sidlist): Create.
(verify_token): Modify arguments. Add setgroups case.
(create_token): Modify arguments. Call get_initgroups_sidlist and
get_setgroups_sidlist as needed. Set SE_GROUP_LOGON_ID from auth_pos
outside of the loop. Rename the various group sid lists consistently.
* syscalls.cc (seteuid32): Modify to use cygheap->user.groups.
(setegid32): Call cygheap->user.groups.update_pgrp.
* grp.cc (setgroups): Create.
(setgroups32): Create.
* uinfo.cc (internal_getlogin): Initialize and update user.groups.pgsid.
* cygwin.din: Add setgroups and setgroups32.
(cygheap_user::logsrv): New method.
(cygheap_user::winname): Ditto.
(cygheap_user::domain): Ditto.
(cygheap_user::test_uid): Ditto.
* cygheap.cc (cygheap_user::set_name): Reflect name "pwinname" name change.
* environ.cc (getwinenveq): New function.
(spenv::from_cygheap): Change arguments.
(spenv::retrieve): Ditto for call. Use getwinenveq to retrieve info from
environment. Always return value from cygwin environment, if it exists.
* environ.h (getwinenveq): Declare.
* uinfo.cc (cygheap_user::ontherange): Use logsrv() rather than env_logsrv().
(cygheap_user::test_uid): Define new method.
(cygheap_user::env_logsrv): Accept environment arguments. Use test_uid to find
info.
(cygheap_user::env_domain): Ditto.
(cygheap_user::env_userprofile): Ditto.
(cygheap_user::env_homepath): Ditto.
(cygheap_user::env_homedrive): Ditto.
(cygheap_user::env_name): Ditto.
(cygheap_user::env_logsrv): Verify env_domain is valid.
* environ.cc: Include child_info.h and keep spenvs[] sorted.
(environ_init): Check child_proc_info instead of myself->ppid_handle.
* environ.cc (spenv::retrieve): Add debugging statements.
* pinfo.cc (set_myself): Don't call strace.hello if already stracing.
* strace.cc (strace): Move NO_COPY keyword so that it will actually take
effect.
* cygheap.cc (cygheap_user::set_name): Clear winname when name changes.
* uinfo.cc (cygheap_user::env_logsrv): Avoid calculating server when Windows
user == SYSTEM.
(cygheap_user::env_domain): Set winname here too.
(cygheap_user::env_userprofile): Eliminate superfluous tests.
(cygheap_user::env_name): Seed winname by calling env_domain().
* environ.cc (build_env): Add debugging statement.
(spenvs): Switch functions for USERDOMAIN and USERNAME.
* spawn.cc (spawn_guts): Move environment initialization prior to
cygheap_setup_for_child or environment info will never be copied to child.
(cygheap_user::set_domain): Ditto.
* cygheap.h (cygheap_user::set_logsrv): Remove declaration.
(cygheap_user::set_domain): Ditto.
(cygheap_user::env_domain): Declare new method.
(cygheap_user::env_name): Ditto.
* environ.cc (spenvs): Add two environment variables.
* spawn.cc (spawn_guts): Call build_env after RevertToSelf. Always set
ciresrv.mount_h.
(cygheap_user::ontherange): Recalculate homedrive/homepath if they are empty.
Use env_logsrv to get logon server.
(cygheap_user::env_logsrv): Calculate server name here rather than relying on
it having been previously calculated.
(cygheap_user::env_domain): Ditto for domain name.
(cygheap-user::env_name): New method.
* syscalls.cc (seteuid32): Do not get or set the environment. Do not call
LookupAccountSid nor internal_getlogin. Set cygheap->user name and sid from
the passwd entry.
* uinfo.cc (uinfo_init): Only call internal_getlogin when starting from a non
Cygwin process and use the values returned in user.
(internal_getlogin): Simplify to case where starting from a non Cygwin process.
Store return values in user and return void. Do not set the Windows default
environment.
* dcrt0.cc (dll_crt0_1): Call uinfo_init only when needed. Do not set
myself->uid nor reset user.sid.
* spawn.cc (spawn_guts): Get the sid from cygheap->user. Always
RevertToSelf(). Don't set uid in impersonated case.
* cygheap.cc (cygheap_user::set_sid): Do not set orig_sig.
(cygheap_user::set_orig_sid): New.
* cygheap.h: Declare cygheap_user::set_sid.
* winsup.h: Add argument to uinfo_init().
user name change.
(cygheap_user::set_logsrv): Allocate enough space for leading \\ so that we can
put this in the environment, if needed.
* cygheap.h (homebodies): New enum.
(cygheap_user::homedrive): New field.
(cygheap_user::homepath): Ditto.
(cygheap_user::env_logsrv): New method.
(cygheap_user::env_homepath): New method.
(cygheap_user::env_homedrive): New method.
(cygheap_user::env_userprofile): New method.
(cygheap_user::ontherange): New method.
* environ.cc (envsize): Eliminate debugging argument.
(environ_init): Assume that envc counts number of elments not total size.
(spenv): New class.
(spenvs): New array, renamed from forced_winenv_vars, using spenv.
(spenv::retrieve): New method.
(build_env): Rename from 'winenv' -- one stop shopping for building new
environment blocks for both windows and "unix".
* environ.h (build_env: Declare.
(winenv): Delete declaration.
(envsize): Ditto.
* spawn.cc (spawn_guts): Use build_env to build windows and cygwin environment
blocks.
* uinfo.cc (internal_getlogin): Eliminate environment manipulation. Default to
info from GetUserName if it exists. Move HOMEPATH and HOMEDRIVE stuff
elsewhere. Move HOME setting elsewhere. Only set HOME environment variable in
processes that are not parented by a cygwin process.
(cygheap_user::ontherange): Define new method.
(cygheap_user::env_logsrv): Ditto.
(cygheap_user::env_homepath): Ditto.
(cygheap_user::env_homedrive): Ditto.
(cygheap_user::env_userprofile): Ditto.
* security.cc (alloc_sd): Remove logsrv argument.
Remove two calls to lookup_name.
(set_security_attribute): Remove logsrv argument.
Remove logsrv argument in call to alloc_sd.
(set_nt_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_security_attribute.
(set_file_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_nt_attribute.
(set_file_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_file_attribute.
* syscalls.cc (chown_worker): Remove logserver argument in
call to set_file_attribute.
(chmod): Ditto.
* shm.cc (shmget): Remove logsrv argument in call to alloc_sd.
* uinfo.cc (internal_getlogin): Replace calls to
lookup_name by call to LookupAccountName.
* security.h: Remove logsrv in declarations of set_file_attribute
and alloc_sd. Remove declaration of lookup_name.
(get_lsa_srv_inf): Suppressed.
(get_logon_server_and_user_domain): Suppressed.
(get_logon_server): Essentially new.
(get_user_groups): Add "domain" argument. Only lookup the
designated server and use "domain" in LookupAccountName.
(is_group_member): Simplify the arguments.
(get_user_local_groups): Simplify the arguments. Do only a
local lookup. Use "BUILTIN" and local domain in LookupAccountName.
(get_user_primary_group). Only lookup the designated server.
(get_group_sidlist): Remove logonserver argument. Do not lookup
any server for the SYSTEM account.
(create_token): Delete logonserver and call to get_logon_server.
Adjust arguments of get_group_sidlist, see above.
* security.h: Delete declaration of get_logon_server_and_user_domain
and add declaration of get_logon_server.
* uinfo.cc (internal_get_login): Call get_logon_server instead of
get_logon_server_and_user_domain.
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
where appropriate, throughout. Remove unneeded exceptions.h, where
appropriate, throughout. Remove unneeded perprocess.h, where appropriate,
throughout.
* uinfo.cc (uinfo_init): Use more robust method for determining if process was
invoked from a non-cygwin process.
* sync.h (muto::init): Eliminate "inheritance" parameter.
(new_muto): Reflect removal of parameter.
* sync.cc (muto::init): Ditto.
* cygheap.cc (cygheap_init): Ditto.
* debug.cc (threadname_init): Ditto.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* grp.cc (group_lock): Use different method for locking with static member.
(read_etc_group): REALLY ensure that read lock mutex is released.
* passwd.cc (passwd_lock): Use different method for locking with static member.
(read_etc_passwd): REALLY ensure that read lock mutex is released.
* shared.cc (sec_user): Correct reversed inheritance test.
* syscalls.cc (seteuid): Unset environment variables HOMEDRIVE and
HOMEPATH before calling internal_getlogin().
* uinfo.cc (internal_getlogin): Use default HOMEPATH and HOMEDRIVE
from environment if both are present, else query NetUserGetInfo().
operators to simplify testing for directory and attributes, throughout.
* path.h (path_conv::exists): New method.
(path_conv::has_attribute): Ditto.
(path_conv::isdir): Ditto.
(path_conv::DWORD &): New operator.
(path_conv::int &): Ditto.
* dir.cc (rmdir): Eliminate a goto.
* dtable.cc (dtable::build_fhandler): Accept opt and suffix info for
path_conv.check. Return fh == NULL on path_conv error. Pass unit to set_name
as appropriate.
(dtable::reset_unix_path_name): New method.
* dtable.h (dtable): Declare new method. Reflect arg changes to
build_fhandler.
* fhandler.cc (fhandler_disk_dummy_name): Eliminate.
(fhandler_base::set_name): Expect paths to be NULL. Build unix_path_name from
win32_path_name when it is a device.
(fhandler_base::reset_unix_path_name): New method.
(fhandler_base::raw_read): Report EISDIR when ERROR_INVALID_FUNCTION or
ERROR_INVALID_PARAMETER and reading a directory.
(fhandler_disk_file::fstat): Don't call stat_dev since we should now never be
calling fhandler_disk_file methods with devices.
(fhandler_base::fhandler_base): Clear {unix,win32}_path_name.
(fhandler_base::~fhandler_base): Always free {unix,win32}_path_name.
(fhandler_disk_file::fhandler_disk_file): Remove set_no_free_names kludge.
(fhandler_disk_file::open): Ditto.
* fhandler.h (fhandler_base::no_free_names): Eliminate.
(fhandler_base::set_no_free_names): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Don't set
unix_path_name here.
* path.cc (fchdir): Lock fd table throughout. Use new
dtable::reset_unix_path_name method to reset path.
* syscalls.cc (stat_worker): Reorganize to always call fstat method. Pass
path_conv method to fhandler_*::open.
(chroot): Elminate a goto.
* 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.
* path.cc (chdir): Guard against invalid parameter.
(fchdir): New function.
* include/cygwin/version.h: Bump API minor version to 40.
* uinfo.cc (internal_getlogin): Remove unused variable.
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.
(cygsid::getfromgr): Ditto.
* security.cc: Use `sys_mbstowcs' and `sys_wcstombs' throughout.
(extract_nt_dom_user): Try to get user and domain from SID in
pw->pw_gecos first.
* security.h (class cygsid): Change parameter of getfrompw() and
getfromgr() to `const'.
* uinfo.cc (internal_getlogin): Change order for evaluating user
information in winNT case. Drop usage of NetWkstaUserGetInfo().
`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.
(read_etc_group): Substitute MAX_DOMAIN_NAME by
INTERNET_MAX_HOST_NAME_LENGTH.
* passwd.cc (parse_pwd): Don't force pw_name to be lower case.
* sec_helper.cc: Substitute MAX_USER_NAME by UNLEN,
MAX_COMPUTERNAME_LENGTH by INTERNET_MAX_HOST_NAME_LENGTH throughout.
(lookup_name): Slight cleanup.
* security.cc (alloc_sd): Substitute MAX_USER_NAME by UNLEN.
* security.h: Define DEFAULT_UID as DOMAIN_USER_RID_ADMIN and
DEFAULT_GID as DOMAIN_ALIAS_RID_ADMINS.
* shared.cc (memory_init): Substitute MAX_USER_NAME by UNLEN.
* thread.h: Ditto.
* uinfo.cc (internal_getlogin): Substitute MAX_USER_NAME by UNLEN.
Substitute MAX_COMPUTERNAME_LENGTH and MAX_HOST_NAME by
INTERNET_MAX_HOST_NAME_LENGTH.
* winsup.h: Include lmcons.h. Eliminate MAX_USER_NAME and
MAX_HOST_NAME. Move DEFAULT_UID and DEFAULT_GID to security.h.
* 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.
* 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.
(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.
* 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.
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.
* 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.
(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.
* *.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.
* fork.cc (fork): Use above defines instead of numerical constants.
* shared.cc (sec_user): Ditto.
* shared.h (class pinfo): Ditto.
* syscall.cc (seteuid): Ditto.
* spawn.cc (_spawnve): Ditto. Eliminate conditional.
(spawn_guts): Set child->uid = USHRT_MAX when user context will be
changed in child process.
* uinfo.cc (uinfo_init): Check for myself->uid instead of myself->psid
to avoid reloading of /etc/passwd on process startup if ntsec is off.
Use above defines instead of numerical constants.
* security.cc: Move define for MAX_SID_LEN to winsup.h.
internal_getlogin().
* uinfo.cc (internal_getlogin): Use impersonation token instead
of process token in case of active impersonation. Add some comments.
(uinfo_init): Initializing myself->token and myself->impersonated
before calling internal_getlogin(). Add some comments.
* spawn.cc (_spawnve): Ditto.
* passwd.cc: Remove static from `passwd_in_memory_p'.
(read_etc_passwd): Remove static.
* uinfo.cc: Move global declaration of `read_etc_group' and
`group_in_memory_p' into `uinfo_init'.
(internal_getlogin): Try to get SID from current process first.
(uinfo_init): Don't set uid and gid if `myself' has a valid SID.
Only load /etc/passwd and /etc/group in that case.
and `RegLoadKeyA'.
* registry.cc (get_registry_hive_path): New function.
(load_registry_hive): Ditto.
* security.cc (convert_sid_to_string_sid): New function.
(get_ssid): Renamed to `convert_string_sid_to_sid'.
(get_pw_sid): Call `convert_string_sid_to_sid' instead of `get_ssid'.
(get_gr_sid): Ditto.
(get_admin_sid): Ditto.
(get_system_sid): Ditto.
(get_creator_owner_sid): Ditto.
(get_world_sid): Ditto.
* shared.h: New prototypes for `get_registry_hive_path' and
`load_registry_hive'.
* spawn.cc (spawn_guts): Set child->psid to NULL to force calling
`internal_getlogin' from child process in case of changing user context.
Call `load_registry_hive' in case of changing user context.
(_spawnve): Copy user infos only if user context remains the same.
* uinfo.cc: Add load statement for `NetUserGetInfo'.
Remove load statement for `NetGetDCName'.
(internal_getlogin): Rewrite to speed up process startup
and to correct user environment in case user context changes.
(uinfo_init): Call internal_getlogin only if myself->psid is NULL,
that is user context changes.
* winsup.h: Add prototypes for `convert_sid_to_string_sid',
`convert_string_sid_to_sid' and `get_pw_sid'.
`cygwin_set_impersonation_token'.
* dcrt0.cc (dll_crt0_1): Eliminate superfluous conditional
statements.
Add load statements for `ImpersonateLoggedOnUser', `LogonUserA'
and `RevertToSelf'.
* fork.cc (fork): Care for correct impersonation of parent
and child process.
* security.cc (cygwin_set_impersonation_token): New function.
(cygwin_logon_user): Ditto.
shared.h (class pinfo): New members `orig_uid', `orig_gid',
`real_uid' nad `real_gid'.
spawn.cc (spawn_guts): Care for impersonation when starting
child process in a different user context.
* syscalls.cc (setgid): Call `setegid' now. Set real_gid.
(setuid): Call `seteuid' now. Set real_uid.
(seteuid): Functionality moved from setuid to here. Care for
correct impersonation.
(setegid): Functionality moved from setgid to here.
* uinfo.cc (uinfo_init): Initialization of additional pinfo
members.
(getuid): Return real uid.
(getgid): Return real gid.
(geteuid): Return effective uid.
(getegid): Return effective gid.
include/sys/cygwin.h: Add prototypes for `cygwin_logon_user' and
`cygwin_set_impersonation_token'.
include/cygwin/version.h: Bumb API minor version to 22.
* autoload.h: Add additional field to autoload block for handling unimplemented
functions.
(LoadDLLfuncEx): New function which accepts additional parameter for
controlling unimplemented function behavior.
(LoadDLLfunc): Use LoadDLLfuncEx.
* dcrt0.cc: Use new arguments for LoadDLLfunc. Add advapi32 routines.
(noload): Rewrite in assembler. Handle new unimplemented function type.
* exceptions.cc: Eliminate another vestige of StackWalk stuff.
* net.cc: Use new arguments for LoadDLLfunc.
* uinfo.cc: Ditto.
* config.h.in: Remove obsolete define.
* path.h (isdrive): New macro.
* dcrt0.cc (globify): Use new macro to determine if a string refers to an
MS-DOS drive.
* environ.cc (winenv): Ditto.
* spawn.cc (find_exec): Ditto.
* path.cc (get_raw_device_number): Ditto.
(mount_info::conv_to_posix_path): Ditto.
(chdir): Ditto.
(cygwin_posix_path_list_p): Ditto.
(cygwin_split_path): Ditto.
(path_conv::check): Move tmp_buf to beginning of function since it can be used
earlier in the loop. Use tmp_buf rather than 'root' to hold root information.
(mount_info::conv_to_win32_path): Add trailing slash to end of mount path when
it translates to a drive. Add defensive code to avoid writing beyond the end
of 'dst'.
race.
(noload): Add an extra argument for debugging.
* uinfo.cc (uinfo_init): Eliminate test for multiple calls.
(getlogin): Assume that uinfo_init has already been called.
Corinna Vinschen
Christopher Faylor
DJ Delorie