newlib/winsup/cygwin/grp.cc

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/* grp.cc
Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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2008, 2009, 2011, 2012, 2013 Red Hat, Inc.
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Original stubs by Jason Molenda of Cygnus Support, crash@cygnus.com
First implementation by Gunther Ebert, gunther.ebert@ixos-leipzig.de
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <assert.h>
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#include <stdio.h>
#include <stdlib.h>
#include "cygerrno.h"
#include "pinfo.h"
#include "path.h"
* devices.cc: New file. * devices.gperf: New file. * devices.shilka: New file. * cygwin-gperf: New file. * cygwin-shilka: New file. * fhandler_fifo.cc: New file. * fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes fhandler.h throughout. Remove device argument and unit arguments from fhandler constructors throughout. Remove pc arguments to fhandler functions and use internal pc element instead, throughout. Use dev element in pc throughout. Use major/minor elements rather than units and device numbers previously in fhandler class. Use correct methods for fhandler file names rather than directly accessing file name variables, throughout. * Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o * dcrt0.cc (dll_crt0_1): Call device::init. * devices.h: Renumber devices based on more Linux-like major/minor numbers. Add more devices. Declare standard device storage. (device): Declare struct. * dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type. * dtable.cc (dtable::get_debugger_info): Ditto. (cygwin_attach_handle_to_fd): Ditto. (dtable::release): Remove special FH_SOCKET case in favor of generic "need_fixup_before" test. (dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name to build standard fhandler. (dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move out of dtable class. Don't accept a path_conv argument. Just build it here and pass it to: (build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class. Use intrinsic device type in path_conv to create new fhandler. (build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class. Simplify arguments to just take new 'device' type and a name. Just return pointer to fhandler rather than trying to insert into dtable. (dtable::dup_worker): Accommodate above build_fh name changes. (dtable::find_fifo): New (currently broken) function. (handle_to_fn): Use strechr for efficiency. * dtable.h: Reflect above build_fh name changes and argument differences. (fhandler_base *&operator []): Return self rather than copy of self. * fhandler.cc (fhandler_base::operator =): Use pc element to set normalized path. (fhandler_base::set_name): Ditto. (fhandler_base::raw_read): Use method to access name. (fhandler_base::write): Correctly use get_output_handle rather than get_handle. (handler_base::device_access_denied): New function. (fhandler_base::open): Eliminate pc argument and use pc element of fhandler_base throughout. (fhandler_base::fstat): Detect if device is based in filesystem and use fstat_fs to calculate stat, if so. (fhandler_base::fhandler_base): Eliminate handling of file names and, instead, just free appropriate component from pc. (fhandler_base::opendir): Remove path_conv parameter. * fhandler.h: Remove all device flags. (fhandler_base::pc): New element. (fhandler_base::set_name): Change argument to path_conv. (fhandler_base::error): New function. (fhandler_base::exists): New function. (fhandler_base::pc_binmode): New function. (fhandler_base::dev): New function. (fhandler_base::open_fs): New function. (fhandler_base::fstat_fs): New function. (fhandler_base::fstat_by_name): New function. (fhandler_base::fstat_by_handle): New function. (fhandler_base::isfifo): New function. (fhandler_base::is_slow): New function. (fhandler_base::is_auto_device): New function. (fhandler_base::is_fs_special): New function. (fhandler_base::device_access_denied): New function. (fhandler_base::operator DWORD&): New operator. (fhandler_base::get_name): Return normalized path from pc. (fhandler_base::get_win32_name): Return windows path from pc. (fhandler_base::isdevice): Renamed from is_device. (fhandler_base::get_native_name): Return device format. (fhandler_fifo): New class. (fhandler_nodevice): New class. (select_stuff::device_specific): Remove array. (select_stuff::device_specific_pipe): New class element. (select_stuff::device_specific_socket): New class element. (select_stuff::device_specific_serial): New class element. (select_stuff::select_stuff): Initialize new elements. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class from fhandler_disk_file. (fhandler_base::fstat_by_name): Ditto. (fhandler_base::fstat_by_name): Ditto. (fhandler_disk_file::open): Move most functionality into fhandler_base::open_fs. (fhandler_base::open_fs): New function. (fhandler_disk_file::close): Move most functionality into fhandler_base::close_fs. (fhandler_base::close_fs): New function. * fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging output. * fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard urandom device into appropriate place. (fhandler_socket::accept): Reflect change in fdsock return value. * fhandler_tty.cc: See "throughouts" above. * net.cc: Accommodate fdsock change throughout. (fdsock): Return success or failure, accept fd argument and device argument. * path.cc (symlink_info::major): New element. (symlink_info::minor): New element. (symlink_info::parse_device): Declare new function. (fs_info::update): Accommodate changes in path_conv class. (path_conv::fillin): Ditto. (path_conv::return_and_clear_normalized_path): Eliminate. (path_conv::set_normalized_path): New function. (path_conv::path_conv): Set info in dev element. Use path_conv methods Check for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff. where appropriate rather than direct access. Use set_normalized_path to set normalized path. (windows_device_names): Eliminate. (get_dev): Ditto. (get_raw_device_number): Ditto. (get_device_number): Ditto. (win32_device_name): Call new device name parser to do most of the heavy lifting. (mount_info::conv_to_win32_path): Fill in dev field as appropriate. (symlink_worker): Handle new device files. (symlink_info::check): Ditto. (symlink_info::parse_device): Define new function. * path.h (executable_states): Move here from fhandler.h. (fs_info): Rename variables to *_storage and create methods for accessing same. (path_conv): Add dev element, remove devn and unit and adjust inline methods to accommodate. (set_normalized_path): Declare new function. * pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos. (_pinfo::commune_send): Ditto. * pipe.cc (fhandler_pipe::close): check for existence of handle before closing it. (handler_pipe::create): Rename from make_pipe. Change arguments to accept fhandler_pipe array. Accommodate fifos. (pipe): Rework to deal with fhandler_pipe::create changes. (_pipe): Ditto. * select.cc: Use individual device_specific types throughout rather than indexing with obsolete device number. (set_bits): Use is_socket call rather than checking device number. * shared_info.h (CURR_MOUNT_MAGIC): Update. (conv_to_win32_path): Reflect addition of device argument. * syscalls.cc (mknod_worker): New function. (open): Use build_fh_name to build fhandler. (chown_worker): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (chmod_device): New function. (chmod): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. Use chmod_device to set mode of in-filesystem devices. (stat_worker): Eliminate path_conv argument. Call build_fh_name to construct fhandler. Use fh->error() rather than pc->error to detect errors in fhandler construction. (access_worker): New function pulled from access. Accommodate in-filesystem devices. (access): Use access_worker. (fpathconf): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (mknod_worker): New function. (mknod32): New function. (chroot): Free normalized path -- assuming it was actually cmalloced. * tty.cc (create_tty_master): Tweak for new device class. (tty::common_init): Ditto. * winsup.h (stat_worker): Remove. (symlink_worker): Declare. * exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't worry about pending_signals since sig_dispatch_pending should always do the right thing now. (sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3. * pinfo.h: Move __SIG enum to sigproc.h. (PICOM_FIFO): New enum element. (_pinfo): Remove 'thread2signal' stuff throughout class. (_pinfo::commune_send): Make varargs. (_pinfo::sigtodo): Eliminate. (_pinfo::thread2signal): Ditto. * signal.cc (kill_worker): Eliminate call to setthread2signal. * sigproc.cc (local_sigtodo): Eliminate. (getlocal_sigtodo): Ditto. (sigelem): New class. (pending_signals): New class. (sigqueue): New variable, start of sigqueue linked list. (sigcatch_nonmain): Eliminate. (sigcatch_main): Eliminate. (sigcatch_nosync): Eliminate. (sigcomplete_nonmain): Eliminate. (pending_signals): Eliminate. (sig_clear): Call signal thread to clear pending signals, unless already in signal thread. (sigpending): Call signal thread to get pending signals. (sig_dispatch_pending): Eliminate use of pending_signals and just check sigqueue. (sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close signal pipe handle. (sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send signals. (getevent): Eliminate. (pending_signals::add): New function. (pending_signals::del): New function. (pending_signals::next): New function. (wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to communicate and maintain a linked list of signals. * sigproc.h: Move __SIG defines here. Add __SIGPENDING. (sig_dispatch_pending): Remove "C" specifier. (sig_handle): Accept a mask argument. * thread.cc: Remove signal handling considerations throughout.
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#include "fhandler.h"
Add "path.h" include throughout, where needed. Use new path_conv methods and 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.
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#include "dtable.h"
#include "cygheap.h"
#include "ntdll.h"
#include "pwdgrp.h"
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static group *group_buf;
static pwdgrp gr (group_buf);
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static char * NO_COPY_RO null_ptr;
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* pwdgrp.h (etc): Move to path.h. (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.
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bool
pwdgrp::parse_group ()
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{
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group &grp = (*group_buf)[curr_lines];
grp.gr_name = next_str (':');
if (!*grp.gr_name)
return false;
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grp.gr_passwd = next_str (':');
if (!next_num (grp.gr_gid))
return false;
int n;
char *dp = raw_ptr ();
for (n = 0; *next_str (','); n++)
continue;
grp.gr_mem = &null_ptr;
if (n)
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{
char **namearray = (char **) calloc (n + 1, sizeof (char *));
if (namearray)
{
for (int i = 0; i < n; i++, dp = strchr (dp, '\0') + 1)
namearray[i] = dp;
grp.gr_mem = namearray;
}
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}
return true;
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}
/* Cygwin internal */
/* Read in /etc/group and save contents in the group cache */
/* This sets group_in_memory_p to 1 so functions in this file can
tell that /etc/group has been read in */
void
pwdgrp::read_group ()
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{
for (int i = 0; i < gr.curr_lines; i++)
if ((*group_buf)[i].gr_mem != &null_ptr)
free ((*group_buf)[i].gr_mem);
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* shared.cc (user_shared_initialize): Fetch potentially changed Cygwin username from /etc/passwd before loading mount table. (shared_info::init_installation_root): New function fetching Cygwin's installation root dir and storing as native NT path in global shared memory. (shared_info::initialize): Call init_installation_root exactly once at first startup. * shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add installation_root member. (shared_info::init_installation_root): Declare. * grp.cc (pwdgrp::read_group): Call pwdgrp::load with native WCHAR path. * passwd.cc (pwdgrp::read_passwd): Ditto. Avoid recursion. (etc::init): Take POBJECT_ATTRIBUTES instead of path_conv. * path.h (etc::init): Change prototype accordingly. * pwdgrp.h (class pwdgrp): Store path as UNICODE_STRING/PWCHAR instead of as path_conv. (pwdgrp::load): Accommodate prototype. * uinfo.cc (pwdgrp::load): Change argument type from char to wchar_t. Create native NT path here instead of calling path_conv. * mount.cc (find_root_from_cygwin_dll): Drop in favor of global initializaion in shared_info. (mount_info::init): Fetch native NT root dir from cygwin_shared. (mount_info::from_fstab): Expect native NT path and use native NT functions to access file. Convert username part in user fstab path according to special char transformation rules. * path.cc (tfx_chars): Convert slash to backslash. (transform_chars): Implement for path given as PWCHAR. (transform_chars): PUNICODE_STRING version calls PWCHAR version. Remove useless commented code.
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load (L"\\etc\\group");
/* Complete /etc/group in memory if needed */
if (!internal_getgrgid (myself->gid))
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{
static char linebuf [200];
char group_name [UNLEN + 1] = "mkgroup";
char strbuf[128] = "";
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struct group *gr;
cygheap->user.groups.pgsid.string (strbuf);
if ((gr = internal_getgrsid (cygheap->user.groups.pgsid)))
snprintf (group_name, sizeof (group_name),
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"passwd/group_GID_clash(%u/%u)", myself->gid, gr->gr_gid);
if (myself->uid == UNKNOWN_UID)
strcpy (group_name, "mkpasswd"); /* Feedback... */
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snprintf (linebuf, sizeof (linebuf), "%s:%s:%u:%s",
group_name, strbuf, myself->gid, cygheap->user.name ());
debug_printf ("Completing /etc/group: %s", linebuf);
add_line (linebuf);
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}
static char NO_COPY pretty_ls[] = "????????::-1:";
add_line (pretty_ls);
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}
muto NO_COPY pwdgrp::pglock;
pwdgrp::pwdgrp (passwd *&pbuf) :
pwdgrp_buf_elem_size (sizeof (*pbuf)), passwd_buf (&pbuf)
{
read = &pwdgrp::read_passwd;
parse = &pwdgrp::parse_passwd;
pglock.init ("pglock");
}
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pwdgrp::pwdgrp (group *&gbuf) :
pwdgrp_buf_elem_size (sizeof (*gbuf)), group_buf (&gbuf)
{
read = &pwdgrp::read_group;
parse = &pwdgrp::parse_group;
pglock.init ("pglock");
}
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struct group *
internal_getgrsid (cygpsid &sid)
{
char sid_string[128];
gr.refresh (false);
if (sid.string (sid_string))
* pwdgrp.h (etc): Move to path.h. (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.
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for (int i = 0; i < gr.curr_lines; i++)
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
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if (!strcmp (sid_string, group_buf[i].gr_passwd))
return group_buf + i;
return NULL;
}
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struct group *
internal_getgrgid (gid_t gid, bool check)
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
{
gr.refresh (check);
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
* pwdgrp.h (etc): Move to path.h. (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.
2003-01-20 03:57:54 +01:00
for (int i = 0; i < gr.curr_lines; i++)
* grp.cc (read_etc_group): On NT, add a line for gid = -1. Change name "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.
2003-01-17 06:18:30 +01:00
if (group_buf[i].gr_gid == gid)
return group_buf + i;
return NULL;
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
}
2013-04-23 11:44:36 +02:00
struct group *
internal_getgrnam (const char *name, bool check)
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
{
gr.refresh (check);
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
* pwdgrp.h (etc): Move to path.h. (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.
2003-01-20 03:57:54 +01:00
for (int i = 0; i < gr.curr_lines; i++)
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
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if (strcasematch (group_buf[i].gr_name, name))
return group_buf + i;
/* Didn't find requested group */
return NULL;
}
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#ifndef __x86_64__
* pwdgrp.h (etc): Move to path.h. (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.
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static struct __group16 *
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grp32togrp16 (struct __group16 *gp16, struct group *gp32)
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{
if (!gp16 || !gp32)
return NULL;
/* Copying the pointers is actually unnecessary. Just having the correct
return type is important. */
gp16->gr_name = gp32->gr_name;
gp16->gr_passwd = gp32->gr_passwd;
gp16->gr_gid = (__gid16_t) gp32->gr_gid; /* Not loss-free */
gp16->gr_mem = gp32->gr_mem;
return gp16;
}
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#endif
extern "C" int
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getgrgid_r (gid_t gid, struct group *grp, char *buffer, size_t bufsize,
struct group **result)
{
*result = NULL;
if (!grp || !buffer)
return ERANGE;
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struct group *tempgr = internal_getgrgid (gid, true);
pthread_testcancel ();
if (!tempgr)
return 0;
/* check needed buffer size. */
int i;
size_t needsize = strlen (tempgr->gr_name) + strlen (tempgr->gr_passwd)
+ 2 + sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
needsize += strlen (tempgr->gr_mem[i]) + 1 + sizeof (char *);
if (needsize > bufsize)
return ERANGE;
/* make a copy of tempgr */
*result = grp;
grp->gr_gid = tempgr->gr_gid;
buffer = stpcpy (grp->gr_name = buffer, tempgr->gr_name);
buffer = stpcpy (grp->gr_passwd = buffer + 1, tempgr->gr_passwd);
grp->gr_mem = (char **) (buffer + 1);
buffer = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
buffer = stpcpy (grp->gr_mem[i] = buffer, tempgr->gr_mem[i]) + 1;
grp->gr_mem[i] = NULL;
return 0;
}
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extern "C" struct group *
getgrgid32 (gid_t gid)
{
return internal_getgrgid (gid, true);
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}
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#ifdef __x86_64__
EXPORT_ALIAS (getgrgid32, getgrgid)
#else
extern "C" struct __group16 *
getgrgid (__gid16_t gid)
{
static struct __group16 g16; /* FIXME: thread-safe? */
return grp32togrp16 (&g16, getgrgid32 (gid16togid32 (gid)));
}
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#endif
extern "C" int
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getgrnam_r (const char *nam, struct group *grp, char *buffer,
size_t bufsize, struct group **result)
{
*result = NULL;
if (!grp || !buffer)
return ERANGE;
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struct group *tempgr = internal_getgrnam (nam, true);
pthread_testcancel ();
if (!tempgr)
return 0;
/* check needed buffer size. */
int i;
size_t needsize = strlen (tempgr->gr_name) + strlen (tempgr->gr_passwd)
+ 2 + sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
needsize += strlen (tempgr->gr_mem[i]) + 1 + sizeof (char *);
if (needsize > bufsize)
return ERANGE;
/* make a copy of tempgr */
*result = grp;
grp->gr_gid = tempgr->gr_gid;
buffer = stpcpy (grp->gr_name = buffer, tempgr->gr_name);
buffer = stpcpy (grp->gr_passwd = buffer + 1, tempgr->gr_passwd);
grp->gr_mem = (char **) (buffer + 1);
buffer = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
buffer = stpcpy (grp->gr_mem[i] = buffer, tempgr->gr_mem[i]) + 1;
grp->gr_mem[i] = NULL;
return 0;
}
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extern "C" struct group *
getgrnam32 (const char *name)
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{
return internal_getgrnam (name, true);
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}
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#ifdef __x86_64__
EXPORT_ALIAS (getgrnam32, getgrnam)
#else
extern "C" struct __group16 *
getgrnam (const char *name)
{
static struct __group16 g16; /* FIXME: thread-safe? */
return grp32togrp16 (&g16, getgrnam32 (name));
}
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#endif
extern "C" void
endgrent ()
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{
* exceptions.cc (set_signal_mask): Redefine to not pass by address. Report calculated mask in debugging output. * sigproc.h (set_signal_mask): Reflect above change in declaration. * path.cc (mount_item::build_win32): Take path apart before feeding it to fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals. instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE considerations. Througout, add cygtls.h include. * Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the -fomit-frame-pointer list. * acconfig.h: Remove obsolete settings. * config.h.in: Ditto. * bsdlib.cc: Add cygtls.h include. * configure.in: Remove --enable-extra-threadsafe-checking. * configure: Regenerate. * cygtls.h (_local_storage): New struct renamed from _winsup_t (sic). (_threadinfo:local_clib): Add new field. (_threadinfo::locals): Ditto. (_threadinfo::init_thread): Accept second _reent * argument. (_threadinfo::call): Define as regparm. (CYGTLS_PADSIZE): Remove unnecessary slop. (_getreent): Define as a macro. * thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff. (_winsup_t): Move to cygtls.h. (ResourceLocks::ResourceLocks): Eliminate empty constructor. (MTinterface::reents): Eliminate. (MTinterface::thread_self_key): Eliminate. (MTinterface::MTinterface): Eliminate. * dcrt0.cc: Include stdio.h for _impure_ptr initialization. (do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit here. (__main): Initialize destructors for user here. (dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set _impure_ptr here. Call do_global_ctors after more things have been initialized. (_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so that it can be used for two purposes while minimizing stack usage. Initialize _impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument. (cygwin_dll_init): Call dll_crt0_1 with dummy argument. * dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner. * exceptions.cc: Move _threadinfo stuff to new file. * cygtls.cc: New file. * gentls_offsets: Accommodate increasing complexity of cygtls.h. * hires.h (hires_base::~hires_base): Remove. * init.cc (dll_entry): Remove setting of reents. * thread.cc: Remove syslog.h include. (__getreent): Simplify to use _my_tls. (_reent_winsup): Delete. (AssertResourceOwner): Delete. (MTinterface::Init): Remove setting of _clib and _winsup, with all that entails. (MTinterface::fixup_after_fork): Ditto. (pthread::thread_init_wrapper): Ditto. Also remove call to set_tls_self_pointer. (pthread::set_tls_self_pointer): Eliminate. (pthread::get_tls_self_pointer): Just return _my_tls.tid; (__reent_t::init_clib): Eliminate. * tlsoffsets.h: Regenerate.
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_my_tls.locals.grp_pos = 0;
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}
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extern "C" struct group *
getgrent32 ()
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{
* exceptions.cc (set_signal_mask): Redefine to not pass by address. Report calculated mask in debugging output. * sigproc.h (set_signal_mask): Reflect above change in declaration. * path.cc (mount_item::build_win32): Take path apart before feeding it to fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals. instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE considerations. Througout, add cygtls.h include. * Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the -fomit-frame-pointer list. * acconfig.h: Remove obsolete settings. * config.h.in: Ditto. * bsdlib.cc: Add cygtls.h include. * configure.in: Remove --enable-extra-threadsafe-checking. * configure: Regenerate. * cygtls.h (_local_storage): New struct renamed from _winsup_t (sic). (_threadinfo:local_clib): Add new field. (_threadinfo::locals): Ditto. (_threadinfo::init_thread): Accept second _reent * argument. (_threadinfo::call): Define as regparm. (CYGTLS_PADSIZE): Remove unnecessary slop. (_getreent): Define as a macro. * thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff. (_winsup_t): Move to cygtls.h. (ResourceLocks::ResourceLocks): Eliminate empty constructor. (MTinterface::reents): Eliminate. (MTinterface::thread_self_key): Eliminate. (MTinterface::MTinterface): Eliminate. * dcrt0.cc: Include stdio.h for _impure_ptr initialization. (do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit here. (__main): Initialize destructors for user here. (dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set _impure_ptr here. Call do_global_ctors after more things have been initialized. (_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so that it can be used for two purposes while minimizing stack usage. Initialize _impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument. (cygwin_dll_init): Call dll_crt0_1 with dummy argument. * dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner. * exceptions.cc: Move _threadinfo stuff to new file. * cygtls.cc: New file. * gentls_offsets: Accommodate increasing complexity of cygtls.h. * hires.h (hires_base::~hires_base): Remove. * init.cc (dll_entry): Remove setting of reents. * thread.cc: Remove syslog.h include. (__getreent): Simplify to use _my_tls. (_reent_winsup): Delete. (AssertResourceOwner): Delete. (MTinterface::Init): Remove setting of _clib and _winsup, with all that entails. (MTinterface::fixup_after_fork): Ditto. (pthread::thread_init_wrapper): Ditto. Also remove call to set_tls_self_pointer. (pthread::set_tls_self_pointer): Eliminate. (pthread::get_tls_self_pointer): Just return _my_tls.tid; (__reent_t::init_clib): Eliminate. * tlsoffsets.h: Regenerate.
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if (_my_tls.locals.grp_pos == 0)
gr.refresh (true);
* exceptions.cc (set_signal_mask): Redefine to not pass by address. Report calculated mask in debugging output. * sigproc.h (set_signal_mask): Reflect above change in declaration. * path.cc (mount_item::build_win32): Take path apart before feeding it to fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals. instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE considerations. Througout, add cygtls.h include. * Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the -fomit-frame-pointer list. * acconfig.h: Remove obsolete settings. * config.h.in: Ditto. * bsdlib.cc: Add cygtls.h include. * configure.in: Remove --enable-extra-threadsafe-checking. * configure: Regenerate. * cygtls.h (_local_storage): New struct renamed from _winsup_t (sic). (_threadinfo:local_clib): Add new field. (_threadinfo::locals): Ditto. (_threadinfo::init_thread): Accept second _reent * argument. (_threadinfo::call): Define as regparm. (CYGTLS_PADSIZE): Remove unnecessary slop. (_getreent): Define as a macro. * thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff. (_winsup_t): Move to cygtls.h. (ResourceLocks::ResourceLocks): Eliminate empty constructor. (MTinterface::reents): Eliminate. (MTinterface::thread_self_key): Eliminate. (MTinterface::MTinterface): Eliminate. * dcrt0.cc: Include stdio.h for _impure_ptr initialization. (do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit here. (__main): Initialize destructors for user here. (dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set _impure_ptr here. Call do_global_ctors after more things have been initialized. (_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so that it can be used for two purposes while minimizing stack usage. Initialize _impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument. (cygwin_dll_init): Call dll_crt0_1 with dummy argument. * dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner. * exceptions.cc: Move _threadinfo stuff to new file. * cygtls.cc: New file. * gentls_offsets: Accommodate increasing complexity of cygtls.h. * hires.h (hires_base::~hires_base): Remove. * init.cc (dll_entry): Remove setting of reents. * thread.cc: Remove syslog.h include. (__getreent): Simplify to use _my_tls. (_reent_winsup): Delete. (AssertResourceOwner): Delete. (MTinterface::Init): Remove setting of _clib and _winsup, with all that entails. (MTinterface::fixup_after_fork): Ditto. (pthread::thread_init_wrapper): Ditto. Also remove call to set_tls_self_pointer. (pthread::set_tls_self_pointer): Eliminate. (pthread::get_tls_self_pointer): Just return _my_tls.tid; (__reent_t::init_clib): Eliminate. * tlsoffsets.h: Regenerate.
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if (_my_tls.locals.grp_pos < gr.curr_lines)
return group_buf + _my_tls.locals.grp_pos++;
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return NULL;
}
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#ifdef __x86_64__
EXPORT_ALIAS (getgrent32, getgrent)
#else
extern "C" struct __group16 *
getgrent ()
{
static struct __group16 g16; /* FIXME: thread-safe? */
return grp32togrp16 (&g16, getgrent32 ());
}
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#endif
extern "C" void
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setgrent ()
{
* exceptions.cc (set_signal_mask): Redefine to not pass by address. Report calculated mask in debugging output. * sigproc.h (set_signal_mask): Reflect above change in declaration. * path.cc (mount_item::build_win32): Take path apart before feeding it to fnmunge. Throughout, change use of _reent_winsup()-> to _my_tls.locals. instead. Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE considerations. Througout, add cygtls.h include. * Makefile.in (DLL_OFILES): Add cygtls.o. Add some more objects to the -fomit-frame-pointer list. * acconfig.h: Remove obsolete settings. * config.h.in: Ditto. * bsdlib.cc: Add cygtls.h include. * configure.in: Remove --enable-extra-threadsafe-checking. * configure: Regenerate. * cygtls.h (_local_storage): New struct renamed from _winsup_t (sic). (_threadinfo:local_clib): Add new field. (_threadinfo::locals): Ditto. (_threadinfo::init_thread): Accept second _reent * argument. (_threadinfo::call): Define as regparm. (CYGTLS_PADSIZE): Remove unnecessary slop. (_getreent): Define as a macro. * thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff. (_winsup_t): Move to cygtls.h. (ResourceLocks::ResourceLocks): Eliminate empty constructor. (MTinterface::reents): Eliminate. (MTinterface::thread_self_key): Eliminate. (MTinterface::MTinterface): Eliminate. * dcrt0.cc: Include stdio.h for _impure_ptr initialization. (do_global_ctors): Remove run_ctors_p (sic) considerations. Don't call atexit here. (__main): Initialize destructors for user here. (dll_crt0_1): Accept a dummy argument. Don't call init_thread here. Don't set _impure_ptr here. Call do_global_ctors after more things have been initialized. (_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so that it can be used for two purposes while minimizing stack usage. Initialize _impure_ptr specifically, for speed. Call dll_crt0_1 with buffer argument. (cygwin_dll_init): Call dll_crt0_1 with dummy argument. * dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner. * exceptions.cc: Move _threadinfo stuff to new file. * cygtls.cc: New file. * gentls_offsets: Accommodate increasing complexity of cygtls.h. * hires.h (hires_base::~hires_base): Remove. * init.cc (dll_entry): Remove setting of reents. * thread.cc: Remove syslog.h include. (__getreent): Simplify to use _my_tls. (_reent_winsup): Delete. (AssertResourceOwner): Delete. (MTinterface::Init): Remove setting of _clib and _winsup, with all that entails. (MTinterface::fixup_after_fork): Ditto. (pthread::thread_init_wrapper): Ditto. Also remove call to set_tls_self_pointer. (pthread::set_tls_self_pointer): Eliminate. (pthread::get_tls_self_pointer): Just return _my_tls.tid; (__reent_t::init_clib): Eliminate. * tlsoffsets.h: Regenerate.
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_my_tls.locals.grp_pos = 0;
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}
/* Internal function. ONLY USE THIS INTERNALLY, NEVER `getgrent'!!! */
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struct group *
internal_getgrent (int pos)
{
gr.refresh (false);
* pwdgrp.h (etc): Move to path.h. (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.
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if (pos < gr.curr_lines)
return group_buf + pos;
return NULL;
}
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int
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internal_getgroups (int gidsetsize, gid_t *grouplist, cygpsid * srchsid)
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{
NTSTATUS status;
HANDLE hToken = NULL;
ULONG size;
int cnt = 0;
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struct group *gr;
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if (!srchsid && cygheap->user.groups.issetgroups ())
{
cygsid sid;
for (int gidx = 0; (gr = internal_getgrent (gidx)); ++gidx)
if (sid.getfromgr (gr))
* cyglsa.h: New header file. * environ.cc: Disable subauth settings. * grp.cc: Accomodate cygsidlist's count now being a method. * sec_helper.cc (SECURITY_MANDATORY_INTEGRITY_AUTHORITY): Remove. (mandatory_medium_integrity_sid): Remove. (mandatory_high_integrity_sid): Remove. (mandatory_system_integrity_sid): Remove. (fake_logon_sid): Add. (cygsid::get_sid): Add well_known parameter. Set well_known_sid accordingly. (cygsid::getfromstr): Ditto. (cygsidlist::alloc_sids): Move here from security.cc. (cygsidlist::free_sids): Ditto. (cygsidlist::add): Move here from security.h. Add well_known parameter. Set well_known_sid accordingly. Don't allow duplicate SIDs. * security.cc: Include cyglsa.h and cygwin/version.h. Throughout accomodate cygsidlist's count now being a method. Throughout drop redundant "contains" tests. (get_user_local_groups): Add local groups as well known SIDs. (get_token_group_sidlist): Add well known groups as well known SIDs. (get_server_groups): Ditto. Only call get_unix_group_sidlist after get_user_local_groups to maintain "well_known_sid" attribute. (get_initgroups_sidlist): Add well known groups as well known SIDs. (get_setgroups_sidlist): Add usersid and struct passwd parameter to allow calling get_server_groups from here. (get_system_priv_list): Make static. Return size of TOKEN_PRIVILEGES structure. (get_priv_list): Ditto. (create_token): Accomodate above changes. Drop misguided attempt to add MIC SIDs to created user token. Print returned token as hex value. (subauth): Disable. (lsaauth): New function implementing client side of LSA authentication. * security.h (class cygsid): Add well_known_sid attribute. Accomodate throughout. Add *= operator to create a well known SID. (class cygsidlist): Rename count to cnt. Make count a method. (cygsidlist::add): Move to sec_helper.cc. (cygsidlist::operator *=): New method to add well known SID. (cygsidlist::non_well_known_count): New method returning number of non well known SIDs in list. (cygsidlist::next_non_well_known_sid): New method returning next non well known SID by index. (mandatory_medium_integrity_sid): Drop declaration. (mandatory_high_integrity_sid): Drop declaration. (mandatory_system_integrity_sid): Drop declaration. (fake_logon_sid): Add declaration. (subauth): Disable declaration. (lsaauth): Add declaration. * syscalls.cc (seteuid32): Disable subauthentication. Add LSA authentication. * wincap.h: Define needs_logon_sid_in_sid_list throughout. * wincap.cc: Ditto.
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for (int pg = 0; pg < cygheap->user.groups.sgsids.count (); ++pg)
if (sid == cygheap->user.groups.sgsids.sids[pg]
&& sid != well_known_world_sid)
{
if (cnt < gidsetsize)
grouplist[cnt] = gr->gr_gid;
++cnt;
if (gidsetsize && cnt > gidsetsize)
goto error;
break;
}
return cnt;
}
/* If impersonated, use impersonation token. */
if (cygheap->user.issetuid ())
hToken = cygheap->user.primary_token ();
else
hToken = hProcToken;
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status = NtQueryInformationToken (hToken, TokenGroups, NULL, 0, &size);
if (NT_SUCCESS (status) || status == STATUS_BUFFER_TOO_SMALL)
{
PTOKEN_GROUPS groups = (PTOKEN_GROUPS) alloca (size);
status = NtQueryInformationToken (hToken, TokenGroups, groups,
size, &size);
if (NT_SUCCESS (status))
{
cygsid sid;
if (srchsid)
{
for (DWORD pg = 0; pg < groups->GroupCount; ++pg)
if ((cnt = (*srchsid == groups->Groups[pg].Sid)))
break;
}
else
for (int gidx = 0; (gr = internal_getgrent (gidx)); ++gidx)
if (sid.getfromgr (gr))
for (DWORD pg = 0; pg < groups->GroupCount; ++pg)
if (sid == groups->Groups[pg].Sid
&& (groups->Groups[pg].Attributes
& (SE_GROUP_ENABLED | SE_GROUP_INTEGRITY_ENABLED))
&& sid != well_known_world_sid)
{
if (cnt < gidsetsize)
grouplist[cnt] = gr->gr_gid;
++cnt;
if (gidsetsize && cnt > gidsetsize)
goto error;
break;
}
}
}
else
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debug_printf ("%u = NtQueryInformationToken(NULL) %y", size, status);
return cnt;
error:
set_errno (EINVAL);
return -1;
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}
extern "C" int
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getgroups32 (int gidsetsize, gid_t *grouplist)
{
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
return internal_getgroups (gidsetsize, grouplist);
}
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#ifdef __x86_64__
EXPORT_ALIAS (getgroups32, getgroups)
#else
extern "C" int
getgroups (int gidsetsize, __gid16_t *grouplist)
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{
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gid_t *grouplist32 = NULL;
if (gidsetsize < 0)
{
set_errno (EINVAL);
return -1;
}
if (gidsetsize > 0 && grouplist)
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grouplist32 = (gid_t *) alloca (gidsetsize * sizeof (gid_t));
2002-12-10 Pierre Humblet <pierre.humblet@ieee.org> * 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.
2002-12-10 13:43:49 +01:00
int ret = internal_getgroups (gidsetsize, grouplist32);
if (gidsetsize > 0 && grouplist)
for (int i = 0; i < ret; ++ i)
grouplist[i] = grouplist32[i];
return ret;
}
2013-04-23 11:44:36 +02:00
#endif
/* Core functionality of initgroups and getgrouplist. */
static void
get_groups (const char *user, gid_t gid, cygsidlist &gsids)
{
cygheap->user.deimpersonate ();
struct passwd *pw = internal_getpwnam (user);
2013-04-23 11:44:36 +02:00
struct group *gr = internal_getgrgid (gid);
cygsid usersid, grpsid;
if (usersid.getfrompw (pw))
get_server_groups (gsids, usersid, pw);
if (grpsid.getfromgr (gr))
gsids += grpsid;
cygheap->user.reimpersonate ();
2000-02-17 20:38:33 +01:00
}
extern "C" int
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initgroups32 (const char *user, gid_t gid)
{
assert (user != NULL);
cygsidlist tmp_gsids (cygsidlist_auto, 12);
get_groups (user, gid, tmp_gsids);
cygsidlist new_gsids (cygsidlist_alloc, tmp_gsids.count ());
for (int i = 0; i < tmp_gsids.count (); i++)
new_gsids.sids[i] = tmp_gsids.sids[i];
new_gsids.count (tmp_gsids.count ());
cygheap->user.groups.update_supp (new_gsids);
syscall_printf ( "0 = initgroups(%s, %u)", user, gid);
return 0;
}
2013-04-23 11:44:36 +02:00
#ifdef __x86_64__
EXPORT_ALIAS (initgroups32, initgroups)
#else
extern "C" int
initgroups (const char *user, __gid16_t gid)
2000-02-17 20:38:33 +01:00
{
return initgroups32 (user, gid16togid32(gid));
}
2013-04-23 11:44:36 +02:00
#endif
extern "C" int
getgrouplist (const char *user, gid_t gid, gid_t *groups, int *ngroups)
{
int ret = 0;
int cnt = 0;
struct group *gr;
/* Note that it's not defined if groups or ngroups may be NULL!
GLibc does not check the pointers on entry and just uses them.
FreeBSD calls assert for ngroups and allows a NULL groups if
*ngroups is 0. We follow FreeBSD's lead here, but always allow
a NULL groups pointer. */
assert (user != NULL);
assert (ngroups != NULL);
cygsidlist tmp_gsids (cygsidlist_auto, 12);
get_groups (user, gid, tmp_gsids);
for (int i = 0; i < tmp_gsids.count (); i++)
if ((gr = internal_getgrsid (tmp_gsids.sids[i])) != NULL)
{
if (groups && cnt < *ngroups)
groups[cnt] = gr->gr_gid;
++cnt;
}
if (cnt > *ngroups)
ret = -1;
*ngroups = cnt;
syscall_printf ( "%d = getgrouplist(%s, %u, %p, %d)",
ret, user, gid, groups, *ngroups);
return ret;
2000-02-17 20:38:33 +01:00
}
/* setgroups32: standards? */
extern "C" int
2013-04-23 11:44:36 +02:00
setgroups32 (int ngroups, const gid_t *grouplist)
{
syscall_printf ("setgroups32 (%d)", ngroups);
if (ngroups < 0 || (ngroups > 0 && !grouplist))
{
set_errno (EINVAL);
return -1;
}
cygsidlist gsids (cygsidlist_alloc, ngroups);
2013-04-23 11:44:36 +02:00
struct group *gr;
if (ngroups && !gsids.sids)
return -1;
for (int gidx = 0; gidx < ngroups; ++gidx)
{
if ((gr = internal_getgrgid (grouplist[gidx]))
&& gsids.addfromgr (gr))
continue;
2013-04-23 11:44:36 +02:00
debug_printf ("No sid found for gid %u", grouplist[gidx]);
gsids.free_sids ();
set_errno (EINVAL);
return -1;
}
cygheap->user.groups.update_supp (gsids);
return 0;
}
2013-04-23 11:44:36 +02:00
#ifdef __x86_64__
EXPORT_ALIAS (setgroups32, setgroups)
#else
extern "C" int
setgroups (int ngroups, const __gid16_t *grouplist)
{
2013-04-23 11:44:36 +02:00
gid_t *grouplist32 = NULL;
if (ngroups > 0 && grouplist)
{
2013-04-23 11:44:36 +02:00
grouplist32 = (gid_t *) alloca (ngroups * sizeof (gid_t));
if (grouplist32 == NULL)
return -1;
for (int i = 0; i < ngroups; i++)
grouplist32[i] = grouplist[i];
}
return setgroups32 (ngroups, grouplist32);
}
2013-04-23 11:44:36 +02:00
#endif