newlib/winsup/cygserver/bsd_helper.cc

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Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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/* bsd_helper.cc
* bsd_helper.cc (ipcexit_hookthread): Fix whitespace and handle leak. * bsd_mutex.cc: Include stdlib.h, sys/msg.h and sys/sem.h. (mtx_init): Initialize lock counter to 0. (_mtx_lock): Increment and log mutex lock counter. (mtx_owned): Add winpid argument. Return true only if mutex is actually owned by process winpid. (_mtx_assert): Add winpid argument accordingly. (_mtx_unlock): Log owner and lock count. (MSLEEP_MUTEX): Remove. (MSLEEP_SEM): Ditto. (MSLEEP_EVENT): Ditto. (msleep_event_name): Ditto. (msleep_cs): New global critical section. (msleep_cnt): New global variable indicating msleep record usage. (msleep_max_cnt): New global variable indicating msleep record size. (msleep_arr): New global pointer to msleep records. (msleep_init): Initialize msleep_cs. Allocate msleep_arr array. (_msleep): Rewrite using new msleep_cs/msleep_arr based thread synchronization. Don't be shy with debug output. (wakeup): Rewrite using new msleep_cs/msleep_arr based thread synchronization. * bsd_mutex.h (struct mtx): Add lock counter for better debugging. (mtx_owned): Declare with winpid argument. (_mtx_assert): Ditto. (mtx_assert): Define with winpid argument. * cygserver.cc (version): Remove. (SERVER_VERSION): New define, decoupling server version information from source code control system. (print_version): Simplify printing server version. * process.cc (process::process): Fix wrong bracketing (and handle leak). (process::~process): Only try to close _signal_arrived if valid. * sysv_sem.cc: Include sys/smallprint.h. (semundo_clear): Define with additional struct thread pointer argument. Accomodate throughout. (SEMUNDO_LOCKASSERT): Define with winpid argument. Accomodate throughout. (struct sem_undo): Define un_proc as pid_t on Cygwin. Accomodate throughout. (seminit): Improve debugging by adding the semid to the mutex name. (semget): Correctly print key value as 64 bit hex value in debug output. (semexit_myhook): Remove Cygwin specific unlocking of mutexes owned by exiting process. Keep semaphore global lock throughout whole function to avoid races. * sysv_shm.cc (GIANT_REQUIRED): Define empty on Cygwin. We know that Giant is locked.
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Copyright 2003, 2004, 2005 Red Hat Inc.
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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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. */
#ifdef __OUTSIDE_CYGWIN__
#include "woutsup.h"
#include <errno.h>
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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#define _KERNEL 1
#define __BSD_VISIBLE 1
#include <sys/smallprint.h>
#include <sys/cygwin.h>
#include <sys/ipc.h>
#include <sys/param.h>
#include <sys/msg.h>
#include <sys/queue.h>
#include <malloc.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "security.h"
#include "cygserver.h"
#include "process.h"
#include "cygserver_ipc.h"
#include "cygserver_msg.h"
#include "cygserver_sem.h"
#include "cygserver_shm.h"
/*
* Copy a piece of memory from the client process into the server process.
* Returns an error code.
*/
int
win_copyin (struct thread *td, const void *client_src,
void *server_tgt, size_t len)
{
if (!ReadProcessMemory (td->client->handle (), client_src, server_tgt,
len, NULL))
return cygwin_internal (CW_GET_ERRNO_FROM_WINERROR,
GetLastError (), EINVAL);
return 0;
}
/*
* Copy a piece of memory from the server process into the client process.
* Returns an error code.
*/
int
win_copyout (struct thread *td, const void *server_src,
void *client_tgt, size_t len)
{
if (!WriteProcessMemory (td->client->handle (), client_tgt, server_src,
len, NULL))
return cygwin_internal (CW_GET_ERRNO_FROM_WINERROR,
GetLastError (), EINVAL);
return 0;
}
#define enter_critical_section(c) _enter_critical_section((c),__FILE__,__LINE__)
static void
_enter_critical_section (LPCRITICAL_SECTION pcs, const char *file, int line)
{
_log (file, line, LOG_DEBUG, "Try enter critical section(%p)", pcs);
EnterCriticalSection (pcs);
_log (file, line, LOG_DEBUG, "Entered critical section(%p)", pcs);
}
#define leave_critical_section(c) _leave_critical_section((c),__FILE__,__LINE__)
static void
_leave_critical_section (LPCRITICAL_SECTION pcs, const char *file, int line)
{
LeaveCriticalSection (pcs);
_log (file, line, LOG_DEBUG, "Left critical section(%p)", pcs);
}
CRITICAL_SECTION ipcht_cs;
struct ipc_hookthread_storage {
HANDLE process_hdl;
proc ipcblk;
};
struct ipc_hookthread {
SLIST_ENTRY (ipc_hookthread) sht_next;
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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HANDLE thread;
DWORD winpid;
struct vmspace vmspace;
};
static SLIST_HEAD (, ipc_hookthread) ipcht_list; /* list of hook threads */
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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static HANDLE ipcexit_event;
struct vmspace *
ipc_p_vmspace (struct proc *proc)
{
struct vmspace *ret = NULL;
ipc_hookthread *ipcht_entry;
enter_critical_section (&ipcht_cs);
SLIST_FOREACH (ipcht_entry, &ipcht_list, sht_next)
{
if (ipcht_entry->winpid == proc->winpid)
{
ret = proc->p_vmspace = &ipcht_entry->vmspace;
break;
}
}
leave_critical_section (&ipcht_cs);
return ret;
}
static DWORD WINAPI
ipcexit_hookthread (const LPVOID param)
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
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{
ipc_hookthread_storage *shs = (ipc_hookthread_storage *) param;
HANDLE obj[2] = { ipcexit_event, shs->process_hdl };
switch (WaitForMultipleObjects (2, obj, FALSE, INFINITE))
{
case WAIT_OBJECT_0:
/* Cygserver shutdown. */
/*FALLTHRU*/
case WAIT_OBJECT_0 + 1:
/* Process exited. Call semexit_myhook to handle SEM_UNDOs for the
exiting process and shmexit_myhook to keep track of shared
memory. */
if (Giant.owner == shs->ipcblk.winpid)
* bsd_helper.cc (ipcexit_hookthread): Fix whitespace and handle leak. * bsd_mutex.cc: Include stdlib.h, sys/msg.h and sys/sem.h. (mtx_init): Initialize lock counter to 0. (_mtx_lock): Increment and log mutex lock counter. (mtx_owned): Add winpid argument. Return true only if mutex is actually owned by process winpid. (_mtx_assert): Add winpid argument accordingly. (_mtx_unlock): Log owner and lock count. (MSLEEP_MUTEX): Remove. (MSLEEP_SEM): Ditto. (MSLEEP_EVENT): Ditto. (msleep_event_name): Ditto. (msleep_cs): New global critical section. (msleep_cnt): New global variable indicating msleep record usage. (msleep_max_cnt): New global variable indicating msleep record size. (msleep_arr): New global pointer to msleep records. (msleep_init): Initialize msleep_cs. Allocate msleep_arr array. (_msleep): Rewrite using new msleep_cs/msleep_arr based thread synchronization. Don't be shy with debug output. (wakeup): Rewrite using new msleep_cs/msleep_arr based thread synchronization. * bsd_mutex.h (struct mtx): Add lock counter for better debugging. (mtx_owned): Declare with winpid argument. (_mtx_assert): Ditto. (mtx_assert): Define with winpid argument. * cygserver.cc (version): Remove. (SERVER_VERSION): New define, decoupling server version information from source code control system. (print_version): Simplify printing server version. * process.cc (process::process): Fix wrong bracketing (and handle leak). (process::~process): Only try to close _signal_arrived if valid. * sysv_sem.cc: Include sys/smallprint.h. (semundo_clear): Define with additional struct thread pointer argument. Accomodate throughout. (SEMUNDO_LOCKASSERT): Define with winpid argument. Accomodate throughout. (struct sem_undo): Define un_proc as pid_t on Cygwin. Accomodate throughout. (seminit): Improve debugging by adding the semid to the mutex name. (semget): Correctly print key value as 64 bit hex value in debug output. (semexit_myhook): Remove Cygwin specific unlocking of mutexes owned by exiting process. Keep semaphore global lock throughout whole function to avoid races. * sysv_shm.cc (GIANT_REQUIRED): Define empty on Cygwin. We know that Giant is locked.
2005-04-06 13:11:07 +02:00
mtx_unlock (&Giant);
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
if (support_semaphores == TUN_TRUE)
semexit_myhook (NULL, &shs->ipcblk);
if (support_sharedmem == TUN_TRUE)
{
_mtx_lock (&Giant, shs->ipcblk.winpid, __FILE__, __LINE__);
ipc_p_vmspace (&shs->ipcblk);
shmexit_myhook (shs->ipcblk.p_vmspace);
mtx_unlock (&Giant);
}
break;
default:
/* FIXME: Panic? */
break;
}
CloseHandle (shs->process_hdl);
ipc_hookthread *ipcht_entry, *sav_entry;
enter_critical_section (&ipcht_cs);
SLIST_FOREACH_SAFE (ipcht_entry, &ipcht_list, sht_next, sav_entry)
{
if (ipcht_entry->winpid == shs->ipcblk.winpid)
{
SLIST_REMOVE (&ipcht_list, ipcht_entry, ipc_hookthread, sht_next);
* bsd_helper.cc (ipcexit_hookthread): Fix whitespace and handle leak. * bsd_mutex.cc: Include stdlib.h, sys/msg.h and sys/sem.h. (mtx_init): Initialize lock counter to 0. (_mtx_lock): Increment and log mutex lock counter. (mtx_owned): Add winpid argument. Return true only if mutex is actually owned by process winpid. (_mtx_assert): Add winpid argument accordingly. (_mtx_unlock): Log owner and lock count. (MSLEEP_MUTEX): Remove. (MSLEEP_SEM): Ditto. (MSLEEP_EVENT): Ditto. (msleep_event_name): Ditto. (msleep_cs): New global critical section. (msleep_cnt): New global variable indicating msleep record usage. (msleep_max_cnt): New global variable indicating msleep record size. (msleep_arr): New global pointer to msleep records. (msleep_init): Initialize msleep_cs. Allocate msleep_arr array. (_msleep): Rewrite using new msleep_cs/msleep_arr based thread synchronization. Don't be shy with debug output. (wakeup): Rewrite using new msleep_cs/msleep_arr based thread synchronization. * bsd_mutex.h (struct mtx): Add lock counter for better debugging. (mtx_owned): Declare with winpid argument. (_mtx_assert): Ditto. (mtx_assert): Define with winpid argument. * cygserver.cc (version): Remove. (SERVER_VERSION): New define, decoupling server version information from source code control system. (print_version): Simplify printing server version. * process.cc (process::process): Fix wrong bracketing (and handle leak). (process::~process): Only try to close _signal_arrived if valid. * sysv_sem.cc: Include sys/smallprint.h. (semundo_clear): Define with additional struct thread pointer argument. Accomodate throughout. (SEMUNDO_LOCKASSERT): Define with winpid argument. Accomodate throughout. (struct sem_undo): Define un_proc as pid_t on Cygwin. Accomodate throughout. (seminit): Improve debugging by adding the semid to the mutex name. (semget): Correctly print key value as 64 bit hex value in debug output. (semexit_myhook): Remove Cygwin specific unlocking of mutexes owned by exiting process. Keep semaphore global lock throughout whole function to avoid races. * sysv_shm.cc (GIANT_REQUIRED): Define empty on Cygwin. We know that Giant is locked.
2005-04-06 13:11:07 +02:00
CloseHandle (ipcht_entry->thread);
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
delete ipcht_entry;
}
}
leave_critical_section (&ipcht_cs);
delete shs;
return 0;
}
/* Deletes all pending hook threads. Called by ipcunload() which in turn
is called by the cygserver main routine. */
static void
ipcexit_dispose_hookthreads (void)
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
{
SetEvent (ipcexit_event);
ipc_hookthread *ipcht_entry;
enter_critical_section (&ipcht_cs);
SLIST_FOREACH (ipcht_entry, &ipcht_list, sht_next)
{
WaitForSingleObject (ipcht_entry->thread, 1000);
/* Don't bother removing the linked list on cygserver shutdown. */
/* FIXME: Error handling? */
}
leave_critical_section (&ipcht_cs);
}
/* Creates the per process wait thread. Called by semget() under locked
Giant mutex condition. */
int
ipcexit_creat_hookthread (struct thread *td)
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
{
ipc_hookthread *ipcht_entry;
int ret = -1;
enter_critical_section (&ipcht_cs);
SLIST_FOREACH (ipcht_entry, &ipcht_list, sht_next)
{
if (ipcht_entry->winpid == td->ipcblk->winpid)
ret = 0;
}
leave_critical_section (&ipcht_cs);
if (!ret)
return 0;
DWORD tid;
ipc_hookthread_storage *shs = new ipc_hookthread_storage;
if (!DuplicateHandle (GetCurrentProcess (), td->client->handle (),
GetCurrentProcess (), &shs->process_hdl,
0, FALSE, DUPLICATE_SAME_ACCESS))
{
log (LOG_CRIT, "failed to duplicate process handle, error = %lu",
GetLastError ());
return cygwin_internal (CW_GET_ERRNO_FROM_WINERROR,
GetLastError (), ENOMEM);
}
shs->ipcblk = *td->ipcblk;
HANDLE thread = CreateThread (NULL, 0, ipcexit_hookthread, shs, 0, &tid);
if (!thread)
{
log (LOG_CRIT, "failed to create thread, error = %lu", GetLastError ());
return cygwin_internal (CW_GET_ERRNO_FROM_WINERROR,
GetLastError (), ENOMEM);
}
ipcht_entry = new ipc_hookthread;
ipcht_entry->thread = thread;
ipcht_entry->winpid = td->ipcblk->winpid;
ipcht_entry->vmspace.vm_map = NULL;
ipcht_entry->vmspace.vm_shm = NULL;
enter_critical_section (&ipcht_cs);
SLIST_INSERT_HEAD (&ipcht_list, ipcht_entry, sht_next);
leave_critical_section (&ipcht_cs);
return 0;
}
/*
* Need the admins group SID to compare with groups in client token.
*/
PSID admininstrator_group_sid;
static void
init_admin_sid (void)
{
if (wincap.has_security ())
{
SID_IDENTIFIER_AUTHORITY nt_auth = {SECURITY_NT_AUTHORITY};
if (! AllocateAndInitializeSid (&nt_auth, 2, 32, 544, 0, 0, 0, 0, 0, 0,
&admininstrator_group_sid))
panic ("failed to create well known sids, error = %lu",
GetLastError ());
}
}
SECURITY_DESCRIPTOR sec_all_nih_sd;
SECURITY_ATTRIBUTES sec_all_nih = { sizeof (SECURITY_ATTRIBUTES),
&sec_all_nih_sd,
FALSE };
/* Global vars, determining whether the IPC stuff should be started or not. */
tun_bool_t support_sharedmem = TUN_UNDEF;
tun_bool_t support_msgqueues = TUN_UNDEF;
tun_bool_t support_semaphores = TUN_UNDEF;
void
ipcinit ()
{
InitializeSecurityDescriptor (&sec_all_nih_sd, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl (&sec_all_nih_sd, TRUE, 0, FALSE);
init_admin_sid ();
mtx_init (&Giant, "Giant", NULL, MTX_DEF);
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
msleep_init ();
ipcexit_event = CreateEvent (NULL, TRUE, FALSE, NULL);
if (!ipcexit_event)
panic ("Failed to create ipcexit event object");
InitializeCriticalSection (&ipcht_cs);
if (support_msgqueues == TUN_TRUE)
msginit ();
if (support_semaphores == TUN_TRUE)
seminit ();
if (support_sharedmem == TUN_TRUE)
shminit ();
}
int
ipcunload ()
{
ipcexit_dispose_hookthreads ();
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
CloseHandle (ipcexit_event);
wakeup_all ();
if (support_semaphores == TUN_TRUE)
semunload ();
if (support_sharedmem == TUN_TRUE)
shmunload ();
if (support_msgqueues == TUN_TRUE)
msgunload ();
mtx_destroy (&Giant);
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
return 0;
}
/*
* Helper function to find a gid in a list of gids.
*/
static bool
is_grp_member (gid_t grp, gid_t *grplist, int listsize)
{
if (grplist)
for (; listsize > 0; --listsize)
if (grp == grplist[listsize - 1])
return true;
return false;
}
/*
* Helper function to get a specific token information from a token.
* This function mallocs the necessary buffer spcae by itself. It
* must be free'd by the calling function.
*/
static void *
get_token_info (HANDLE tok, TOKEN_INFORMATION_CLASS tic)
{
void *buf;
DWORD size;
if (!GetTokenInformation (tok, tic, NULL, 0, &size)
&& GetLastError () != ERROR_INSUFFICIENT_BUFFER)
return NULL;
if (!(buf = malloc (size)))
return NULL;
if (!GetTokenInformation (tok, tic, buf, size, &size))
{
free (buf);
return NULL;
}
return buf;
}
/*
* Check if client user helds "mode" permission when accessing object
* associated with "perm" permission record.
* Returns an error code.
*/
int
ipcperm (struct thread *td, ipc_perm *perm, unsigned int mode)
{
proc *p = td->ipcblk;
if (!suser (td))
return 0;
if (mode & IPC_M)
{
return (p->uid != perm->cuid && p->uid != perm->uid)
? EACCES : 0;
}
if (p->uid != perm->cuid && p->uid != perm->uid)
{
/* If the user is a member of the creator or owner group, test
against group bits, otherwise against other bits. */
mode >>= p->gid != perm->gid && p->gid != perm->cgid
&& !is_grp_member (perm->gid, p->gidlist, p->gidcnt)
&& !is_grp_member (perm->cgid, p->gidlist, p->gidcnt)
? 6 : 3;
}
return (mode & perm->mode) != mode ? EACCES : 0;
}
/*
* Check for client user being superuser.
* Returns an error code.
*/
int
suser (struct thread *td)
{
/* Always superuser on 9x. */
if (!wincap.has_security ())
return 0;
/* This value has been set at ImpersonateNamedPipeClient() time
using the token information. See adjust_identity_info() below. */
return td->ipcblk->is_admin ? 0 : EACCES;
}
/*
* Retrieves user and group info from impersonated token and creates the
* correct uid, gid, gidlist and is_admin entries in p from that.
*/
bool
adjust_identity_info (struct proc *p)
{
HANDLE tok;
/* No access tokens on 9x. */
if (!wincap.has_security ())
return true;
if (!OpenThreadToken (GetCurrentThread (), TOKEN_READ, TRUE, &tok))
{
debug ("Failed to open worker thread access token for pid %d, winpid %d",
p->cygpid, p->winpid);
return false;
}
/* Get uid from user SID in token. */
PTOKEN_USER user;
if (!(user = (PTOKEN_USER)get_token_info (tok, TokenUser)))
goto faulty;
p->uid = cygwin_internal (CW_GET_UID_FROM_SID, user->User.Sid);
free (user);
if (p->uid == (uid_t)-1)
log (LOG_WARNING, "WARNING: User not found in /etc/passwd! Using uid -1!");
/* Get gid from primary group SID in token. */
PTOKEN_PRIMARY_GROUP pgrp;
if (!(pgrp = (PTOKEN_PRIMARY_GROUP)get_token_info (tok, TokenPrimaryGroup)))
goto faulty;
p->gid = cygwin_internal (CW_GET_GID_FROM_SID, pgrp->PrimaryGroup);
free (pgrp);
if (p->gid == (gid_t)-1)
log (LOG_WARNING,"WARNING: Group not found in /etc/passwd! Using gid -1!");
/* Generate gid list from token group's SID list. Also look if the token
has an enabled admin group SID. That means, the process has admin
privileges. That knowledge is used in suser(). */
PTOKEN_GROUPS gsids;
if (!(gsids = (PTOKEN_GROUPS)get_token_info (tok, TokenGroups)))
goto faulty;
if (gsids->GroupCount)
{
p->gidlist = (gid_t *) calloc (gsids->GroupCount, sizeof (gid_t));
if (p->gidlist)
p->gidcnt = gsids->GroupCount;
}
for (DWORD i = 0; i < gsids->GroupCount; ++i)
{
if (p->gidlist)
p->gidlist[i] = cygwin_internal (CW_GET_GID_FROM_SID,
gsids->Groups[i].Sid);
if (EqualSid (gsids->Groups[i].Sid, admininstrator_group_sid)
&& (gsids->Groups[i].Attributes & SE_GROUP_ENABLED))
p->is_admin = true;
}
free (gsids);
CloseHandle (tok);
return true;
faulty:
CloseHandle (tok);
log (LOG_CRIT, "Failed to get token information for pid %d, winpid %d",
p->cygpid, p->winpid);
return false;
}
/*
* Windows wrapper implementation of the VM functions called by sysv_shm.cc.
*/
vm_object_t
_vm_pager_allocate (int size, int shmflg)
{
/* Create the file mapping object with full access for everyone. This is
necessary to allow later calls to shmctl(..., IPC_SET,...) to
change the access rights and ownership of a shared memory region.
The access rights are tested at the beginning of every shm... function.
Note that this does not influence the actual read or write access
defined in a call to shmat. */
vm_object_t object = CreateFileMapping (INVALID_HANDLE_VALUE, &sec_all_nih,
PAGE_READWRITE, 0, size, NULL);
if (!object)
panic ("CreateFileMapping in _vm_pager_allocate failed, %E");
return object;
}
vm_object_t
vm_object_duplicate (struct thread *td, vm_object_t object)
{
vm_object_t dup_object;
if (!DuplicateHandle (GetCurrentProcess (), object,
td->client->handle (), &dup_object,
0, TRUE, DUPLICATE_SAME_ACCESS))
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
panic ("!DuplicateHandle in vm_object_duplicate failed, %E");
return dup_object;
}
void
vm_object_deallocate (vm_object_t object)
{
if (object)
CloseHandle (object);
}
/*
* Tunable parameters are read from a system wide cygserver.conf file.
* On the first call to tunable_int_fetch, the file is read and the
* parameters are set accordingly. Each parameter has default, max and
* min settings.
*/
enum tun_params_type {
TUN_NULL,
TUN_INT,
TUN_BOOL
};
union tun_value {
long ival;
tun_bool_t bval;
};
struct tun_struct {
const char *name;
tun_params_type type;
union tun_value value;
union tun_value min;
union tun_value max;
void (*check_func)(tun_struct *, char *, const char *);
};
static void
default_tun_check (tun_struct *that, char *value, const char *fname)
{
char *c = NULL;
tun_value val;
switch (that->type)
{
case TUN_INT:
val.ival = strtoul (value, &c, 10);
if (!val.ival || (c && *c))
panic ("Error in config file %s: Value of parameter %s malformed",
fname, that->name);
if (val.ival < that->min.ival || val.ival > that->max.ival)
panic ("Error in config file %s: Value of parameter %s must be "
"between %lu and %lu",
fname, that->name, that->min.ival, that->max.ival);
if (that->value.ival)
panic ("Error in config file %s: Parameter %s set twice.\n",
fname, that->name);
that->value.ival = val.ival;
break;
case TUN_BOOL:
if (!strcasecmp (value, "no") || !strcasecmp (value, "n")
|| !strcasecmp (value, "false") || !strcasecmp (value, "f")
|| !strcasecmp (value, "0"))
val.bval = TUN_FALSE;
else if (!strcasecmp (value, "yes") || !strcasecmp (value, "y")
|| !strcasecmp (value, "true") || !strcasecmp (value, "t")
|| !strcasecmp (value, "1"))
val.bval = TUN_TRUE;
else
panic ("Error in config file %s: Value of parameter %s malformed\n"
"Allowed values: \"yes\", \"no\", \"y\", \"n\", \"true\", \"false\", \"t\", \"f\", \"1\" and \"0\"", fname, that->name);
that->value.bval = val.bval;
break;
default:
/* Shouldn't happen. */
panic ("Internal error: Wrong type of tunable parameter");
break;
}
}
static tun_struct tunable_params[] =
{
/* SRV */
{ "kern.srv.cleanup_threads", TUN_INT, {0}, {1}, {16}, default_tun_check},
{ "kern.srv.request_threads", TUN_INT, {0}, {1}, {64}, default_tun_check},
{ "kern.srv.sharedmem", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
{ "kern.srv.msgqueues", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
{ "kern.srv.semaphores", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
/* LOG */
{ "kern.log.syslog", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
{ "kern.log.stderr", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
{ "kern.log.debug", TUN_BOOL, {TUN_UNDEF}, {TUN_FALSE}, {TUN_TRUE}, default_tun_check},
{ "kern.log.level", TUN_INT, {0}, {1}, {7}, default_tun_check},
/* MSG */
{ "kern.ipc.msgseg", TUN_INT, {0}, {256}, {65535}, default_tun_check},
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
{ "kern.ipc.msgssz", TUN_INT, {0}, {8}, {1024}, default_tun_check},
{ "kern.ipc.msgmnb", TUN_INT, {0}, {1}, {65535}, default_tun_check},
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
{ "kern.ipc.msgmni", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.msgtql", TUN_INT, {0}, {1}, {1024}, default_tun_check},
Don't use safe_new but new throughout. Fix copyright dates throughout. * Makefile.in: Accomodate all new files and name changes. Add a *.d dependency. (sbindir): Add. (etcdir): Drop in favor of more appropriate sysconfdir definition. (sysconfdir): Add. (CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition. (.SUFFIXES): Add. (install): Add action items. (libclean): New target. (fullclean): Ditto. * bsd_helper.cc: New file. * bsd_helper.h: Ditto. * bsd_log.cc: Ditto. * bsd_log.h: Ditto. * bsd_mutex.cc: Ditto. * bsd_mutex.h: Ditto. * client.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. (client_request::handle_request): Add Message Queue and Semaphore handling. * cygserver.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. Use new debug/log/panic logging functions. (DEF_CONFIG_FILE): New definition for configuration file. Use throughout. (getfunc): Remove. (__cygserver__printf): Remove. (client_request_attach_tty::serve): Return error if impersonation fails. (print_usage): Pump up help message. (print_version): Add output of default configuration file. (main): Accommodate new options. Allow overwrite of threading options from config file. Call several new initialization functions. Drop printing dots. Don't define SIGHANDLE inline. * cygserver.conf: New file. * cygserver_process.h: Rename to process.h. * cygserver_transport.h: Rename to transport.h. * cygserver_transport_pipes.h: Rename to transport_pipes.h. * cygserver_transport_sockets.h: Rename to transport_sockets.h. * msg.cc: Rewrite. * sem.cc: Rewrite. * shm.cc: Rewrite. * sysv_msg.cc: New file, derived from FreeBSD version 1.52. * sysv_sem.cc: New file, derived from FreeBSD version 1.66. * sysv_shm.cc: New file, derived from FreeBSD version 1.89. * threaded_queue.cc: Rearrange to build as less as possible if __INSIDE_CYGWIN__. * transport.cc (transport_layer_base::impersonate_client): Define bool. (transport_layer_base::revert_to_self): Ditto. * transport.h (transport_layer_base::impersonate_client): Declare bool. (transport_layer_base::revert_to_self): Ditto. * transport_pipes.cc (transport_layer_pipes::transport_layer_pipes): Don't call init_security. (init_security): Remove. (transport_layer_pipes::accept): Use global sec_all_nih. (transport_layer_pipes::connect): Ditto. (transport_layer_pipes::impersonate_client): Define bool. (transport_layer_pipes::revert_to_self): Ditt. * transport_pipes.h (transport_layer_pipes::impersonate_client): Declare bool. (transport_layer_pipes::revert_to_self): Ditto. * woutsup.h: Include bsd compatibility headers. (SIGHANDLE): Add definition. (__cygserver__printf): Remove definition. (__noop_printf): Ditto. (debug_printf): Define using debug. (syscall_printf): Define using log. (system_printf): Ditto. Drop all other _printf definitions.
2003-11-19 19:49:41 +01:00
/* SEM */
//{ "kern.ipc.semmap", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semmni", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semmns", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semmnu", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semmsl", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semopm", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semume", TUN_INT, {0}, {1}, {1024}, default_tun_check},
//{ "kern.ipc.semusz", TUN_INT, {0}, {1}, {1024}, default_tun_check},
{ "kern.ipc.semvmx", TUN_INT, {0}, {1}, {32767}, default_tun_check},
{ "kern.ipc.semaem", TUN_INT, {0}, {1}, {32767}, default_tun_check},
/* SHM */
{ "kern.ipc.shmmaxpgs", TUN_INT, {0}, {1}, {32767}, default_tun_check},
//{ "kern.ipc.shmmin", TUN_INT, {0}, {1}, {32767}, default_tun_check},
{ "kern.ipc.shmmni", TUN_INT, {0}, {1}, {32767}, default_tun_check},
{ "kern.ipc.shmseg", TUN_INT, {0}, {1}, {32767}, default_tun_check},
//{ "kern.ipc.shm_use_phys", TUN_INT, {0}, {1}, {32767}, default_tun_check},
{ NULL, TUN_NULL, {0}, {0}, {0}, NULL}
};
#define skip_whitespace(c) while (*(c) && isspace (*(c))) ++(c)
#define skip_nonwhitespace(c) while (*(c) && !isspace (*(c)) && *(c) != '#') ++(c)
#define end_of_content(c) (!*(c) || *(c) == '#')
void
tunable_param_init (const char *config_file, bool force)
{
FILE *fp = fopen (config_file, "rt");
if (!fp)
{
if (force)
panic ("can't open config file %s\n", config_file);
return;
}
char line[1024];
while (fgets (line, 1024, fp))
{
char *c = strrchr (line, '\n');
if (!c)
panic ("Line too long in confg file %s\n", config_file);
/* Overwrite trailing NL. */
*c = '\0';
c = line;
skip_whitespace (c);
if (end_of_content (c))
continue;
/* So we are on the first character of a parameter name. */
char *name = c;
/* Find end of name. */
skip_nonwhitespace (c);
if (end_of_content (c))
{
*c++ = '\0';
panic ("Error in config file %s: Parameter %s has no value.\n",
config_file, name);
}
/* Mark end of name. */
*c++ = '\0';
skip_whitespace (c);
if (end_of_content (c))
panic ("Error in config file %s: Parameter %s has no value.\n",
config_file, name);
/* Now we are on the first character of a parameter's value. */
char *value = c;
/* This only works for simple parameters. If complex string parameters
are added at one point, the scanning routine must be changed here. */
/* Find end of value. */
skip_nonwhitespace (c);
/* Mark end of value. */
*c++ = '\0';
/* Now look if name is one from our list. */
tun_struct *s;
for (s = &tunable_params[0]; s->name; ++s)
if (!strcmp (name, s->name))
{
/* Now read value and check for validity. check_func doesn't
return on error. */
s->check_func (s, value, config_file);
break;
}
if (!s->name)
panic ("Error in config file %s: Unknown parameter %s.\n",
config_file, name);
}
fclose (fp);
}
void
tunable_int_fetch (const char *name, long *tunable_target)
{
tun_struct *s;
for (s = &tunable_params[0]; s->name; ++s)
if (!strcmp (name, s->name))
break;
if (!s) /* Not found */
return;
if (s->type != TUN_INT) /* Wrong type */
return;
if (!s->value.ival) /* Not set in config file */
return;
*tunable_target = s->value.ival;
debug ("\nSet %s to %lu\n", name, *tunable_target);
}
void
tunable_bool_fetch (const char *name, tun_bool_t *tunable_target)
{
tun_struct *s;
const char *tun_bool_val_string[] = { "undefined", "no", "yes" };
for (s = &tunable_params[0]; s->name; ++s)
if (!strcmp (name, s->name))
break;
if (!s) /* Not found */
return;
if (s->type != TUN_BOOL) /* Wrong type */
return;
if (!s->value.ival) /* Not set in config file */
return;
*tunable_target = s->value.bval;
debug ("\nSet %s to %s\n", name, tun_bool_val_string[*tunable_target]);
}
#endif /* __OUTSIDE_CYGWIN__ */