/* $Id$
* Init and cleanup code of libcaptive to be called by client application
- * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
+ * Copyright (C) 2002
-2003 Jan Kratochvil <project-captive@jankratochvil.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "config.h"
+#include "init.h" /* self */
#include "captive/ldr.h"
#include "captive/ldr_exports.h"
#include "captive/unicode.h"
#include <fcntl.h>
#include <sys/mman.h> /* for PROT_READ, MAP_SHARED */
#include "reactos/ddk/kefuncs.h" /* for KeInitializeSpinLock() */
-#include "reactos/internal/ntoskrnl.h" /* for RtlpInitNlsTables() and IoInit() */
+#include "reactos/internal/ntoskrnl.h" /* for IoInit() */
#include "reactos/internal/ps.h" /* for PsInitProcessManagment() and PsInitThreadManagment() */
#include "reactos/ddk/iofuncs.h" /* for IoCreateFile() */
#include "captive/storage.h"
#include <popt.h>
#include <glib/gstrfuncs.h>
#include <glib/glist.h>
-#include <glib/gutils.h> /* for g_atexit() */
#include "giochannel-blind.h"
#include <glib-object.h>
#include "reactos/internal/se.h" /* for SeInit2() */
#include "captive/leave.h"
#include "captive/options.h"
+#include <libgnomevfs/gnome-vfs-result.h>
+#include "lib.h"
+#include <reactos/ddk/obfuncs.h>
+#include <syslog.h>
+#include "captive/macros.h"
+#include "../storage/relastblock.h" /* for captive_storage_relastblock() */
struct captive_options *captive_options;
static TOP_LEVEL_IRP TopLevelIrp; /* TODO:thread */
-/* Non-blinded original GIOChannel for flushing during shutdown. */
-static GIOChannel *captive_options_image_iochannel_orig;
-
-
void *_local_unwind2_addr;
-/* Acceleration hack for ntoskrnl/dbg/print.c/DbgPrint() */
-gboolean captive_get_debug_messages(void)
-{
- g_return_val_if_fail(captive_options!=NULL,TRUE);
-
- return captive_options->debug_messages;
-}
-
+gboolean captive_debug_messages_disabled=FALSE;
static gboolean captive_w32_init(void)
{
NTSTATUS err;
gboolean errbool;
-GIOStatus erriostatus;
g_return_val_if_fail(captive_options!=NULL,FALSE);
- g_return_val_if_fail(captive_options->filesystem!=NULL,FALSE);
-
- erriostatus=g_io_channel_set_encoding(captive_options->image_iochannel,
- NULL, /* encoding; force binary data */
- NULL); /* error */
- g_assert(erriostatus==G_IO_STATUS_NORMAL);
+ g_return_val_if_fail(captive_options->filesystem.type!=CAPTIVE_OPTIONS_MODULE_TYPE_EMPTY,FALSE);
/* captive_giochannel_size() only _after_ g_io_channel_set_encoding() ! */
- captive_image_size=captive_giochannel_size(captive_options->image_iochannel);
+ captive_image_size=captive_giochannel_size(captive_image_iochannel);
g_return_val_if_fail(captive_image_size>0,FALSE);
/* Part of reactos/ntoskrnl/ke/main.c/KiSystemStartup() begins. */
/* Part of reactos/ntoskrnl/ldr/loader.c/LdrInit1() ends. */
KeLowerIrql(DISPATCH_LEVEL);
/*...*/
- /* create default nls tables */
- RtlpInitNlsTables();
+ /* FIXME: create default nls tables? Really still needed? */
+ /* Obsolete: RtlpInitNlsTables(); */
/*...*/
/* KeInit2() */
/*...*/
g_return_val_if_fail(errbool==TRUE,FALSE);
while (captive_options->load_module) {
-gchar *modulename=captive_options->load_module->data;
PMODULE_OBJECT ModuleObject_tmp;
NTSTATUS err;
/* load the module */
- err=LdrLoadModule(
- captive_utf8_to_UnicodeString_alloca(modulename), /* ModuleName */
+ err=captive_LdrLoadModule(
+ captive_options->load_module->data,
&ModuleObject_tmp); /* ModuleObjectp */
g_return_val_if_fail(NT_SUCCESS(err),FALSE);
- captive_options->load_module=g_list_remove(captive_options->load_module,modulename);
+ captive_options_module_free(captive_options->load_module->data);
+ /* also frees 'options->load_module->data' */
+ captive_options->load_module=g_list_delete_link(captive_options->load_module,captive_options->load_module);
}
/* Patch 'ntoskrnl.exe' loaded by 'captive_options->load_module' above. */
*KeNumberProcessorsp=KeNumberProcessors;
g_assert(*KeNumberProcessorsp==1);
}
- /* Apply captive_kernel_patches() AFTER any symbols sanity checks above! */
- captive_kernel_patches();
+ /* Apply AFTER any symbols sanity checks above! */
+ if (captive_options->debug_messages)
+ captive_kernel_patches_debug();
+ else
+ captive_kernel_patches_nondebug();
_local_unwind2_addr=captive_Module_GetExportAddress("ntoskrnl.exe","_local_unwind2");
/* Initialize 'FsRtlLegalAnsiCharacterArray'.
* It requires 'ntoskrnl.exe' loaded by 'captive_options->load_module' above;
- * captive_kernel_patches() should not be needed.
+ * captive_kernel_patches_debug()/captive_kernel_patches_nondebug() should not be needed.
*/
captive_FsRtlLegalAnsiCharacterArray_init();
captive_DriverObject_ReinitRoutine=NULL;
err=captive_LdrpLoadAndCallImage(
&ModuleObject, /* ModuleObjectp */
- captive_utf8_to_UnicodeString_alloca(captive_options->filesystem), /* ModuleName */
+ &captive_options->filesystem, /* options_module */
&captive_DriverObject, /* DriverEntry_DriverObject */
captive_utf8_to_UnicodeString_alloca("\\captive\\filesystem")); /* DriverEntry_RegistryPath */
g_return_val_if_fail(NT_SUCCESS(err),FALSE);
if (captive_DriverObject_ReinitRoutine) {
- (*captive_DriverObject_ReinitRoutine)(
+ captive_stdcall_call_12((CaptiveStdCallFunc12)captive_DriverObject_ReinitRoutine,
&captive_DriverObject, /* DriverObject */
captive_DriverObject_ReinitRoutine_Context, /* Context */
- 1); /* Count: # of calls of ReinitRoutine incl. the current one */
+ (gpointer)1); /* Count: # of calls of ReinitRoutine incl. the current one */
}
return TRUE;
}
-static void captive_shutdown_atexit(void);
+static void captive_log_init_g_log_func_discard
+ (const gchar *log_domain,GLogLevelFlags log_level,const gchar *message,gpointer user_data)
+{
+ g_return_if_fail(message!=NULL);
+ /* NOP */
+}
-static void log_discard_func(const gchar *log_domain,GLogLevelFlags log_level,const gchar *message,gpointer user_data)
+static void captive_log_init_g_log_func
+ (const gchar *log_domain,GLogLevelFlags log_level,const gchar *message,gpointer user_data /* unused */)
{
- /* NOP */
+int priority;
+
+ g_return_if_fail(message!=NULL);
+
+ /* unused: LOG_EMERG */
+ /* unused: LOG_ALERT */
+ /**/ if (log_level&G_LOG_LEVEL_ERROR)
+ priority=LOG_CRIT;
+ else if (log_level&G_LOG_LEVEL_CRITICAL)
+ priority=LOG_ERR;
+ else if (log_level&G_LOG_LEVEL_WARNING)
+ priority=LOG_WARNING;
+ else if (log_level&G_LOG_LEVEL_MESSAGE)
+ priority=LOG_NOTICE;
+ else if (log_level&G_LOG_LEVEL_INFO)
+ priority=LOG_INFO;
+ else if (log_level&G_LOG_LEVEL_DEBUG)
+ priority=LOG_DEBUG;
+ else /* bogus? */
+ priority=LOG_WARNING;
+
+ syslog(priority,"%s%s%s",
+ (!(log_level&G_LOG_FLAG_RECURSION) ? "" : "RECURSION: "),
+ (!(log_level&G_LOG_FLAG_FATAL ) ? "" : "FATAL: "),
+ message);
}
+void captive_log_init(const struct captive_options *captive_options)
+{
+ g_return_if_fail(captive_options!=NULL);
+
+ /* FIXME: Fix sharing of different 'debug_messages' for various sandboxes. */
+ captive_debug_messages_disabled=!captive_options->debug_messages;
+
+ /* FIXME: Fix sharing of different 'debug_messages' for various sandboxes. */
+ if (!captive_options->debug_messages) {
+ /* FIXME: Save handler_id and destroy it in captive_vfs_close(). */
+ g_log_set_handler(
+ G_LOG_DOMAIN, /* log_domain; "Captive" */
+ 0 /* log_levels */
+ | G_LOG_FLAG_RECURSION
+ | G_LOG_FLAG_FATAL
+ /* The same mask is in:
+ * libcaptive/sandbox/server-GLogFunc.c
+ * libcaptive/client/init.c
+ */
+ | G_LOG_LEVEL_MESSAGE
+ | G_LOG_LEVEL_INFO
+ | G_LOG_LEVEL_DEBUG,
+ captive_log_init_g_log_func_discard, /* log_func */
+ NULL); /* user_data */
+ }
+ /* We are not the sandboxed slave;
+ * 'syslog_facility' would be '-1' in slave anyway as it is not transferred through CORBA.
+ */
+ if (!captive_options->sandbox || (captive_options->sandbox_server_argv || captive_options->sandbox_server_ior)) {
+ if (captive_options->syslog_facility!=-1) {
+ openlog(
+ /* FIXME: Prefix 'ident' by device/mountpoint. */
+ G_LOG_DOMAIN, /* ident; "Captive"; FIXME: lowercase it for syslog(3)? */
+ LOG_CONS|LOG_PID, /* options */
+ captive_options->syslog_facility); /* facility */
+ /* FIXME: Save handler_id and destroy it in captive_vfs_close(). */
+ g_log_set_handler(
+ G_LOG_DOMAIN, /* log_domain; "Captive" */
+ 0 /* log_levels */
+ | 0 /* !G_LOG_FLAG_RECURSION */
+ | G_LOG_FLAG_FATAL
+ | (G_LOG_LEVEL_MASK & ~(captive_options->debug_messages ? 0 : 0
+ /* The same mask is in:
+ * libcaptive/sandbox/server-GLogFunc.c
+ * libcaptive/client/init.c
+ */
+ | G_LOG_LEVEL_MESSAGE
+ | G_LOG_LEVEL_INFO
+ | G_LOG_LEVEL_DEBUG)),
+ (GLogFunc)captive_log_init_g_log_func, /* log_func */
+ NULL); /* user_data */
+ }
+ }
+}
/**
* captive_init:
{
gboolean errbool;
-#ifdef MAINTAINER_MODE
+ /* We are in sandbox child and we have the right to fail. */
g_log_set_always_fatal(~(0
|G_LOG_LEVEL_MESSAGE
|G_LOG_LEVEL_INFO
|G_LOG_LEVEL_DEBUG
));
-#endif
g_return_val_if_fail(active==FALSE,FALSE);
/* Initialize GObject subsystem of GLib. */
g_type_init();
- if (!captive_options->debug_messages) {
- g_log_set_handler(
- G_LOG_DOMAIN, /* log_domain; "Captive" */
- 0 /* log_levels */
- | G_LOG_FLAG_RECURSION
- | G_LOG_FLAG_FATAL
- | G_LOG_LEVEL_MESSAGE
- | G_LOG_LEVEL_INFO
- | G_LOG_LEVEL_DEBUG,
- log_discard_func, /* log_func */
- NULL); /* user_data */
- }
+ captive_log_init(captive_options);
+
+ captive_image_iochannel=captive_options->image_iochannel;
+ g_io_channel_ref(captive_image_iochannel);
+
+ captive_image_iochannel=captive_storage_relastblock(captive_image_iochannel);
- captive_options_image_iochannel_orig=captive_options->image_iochannel;
- if (captive_options->rwmode==CAPTIVE_OPTION_RWMODE_BLIND)
- captive_options->image_iochannel=(GIOChannel *)captive_giochannel_blind_new(captive_options->image_iochannel);
+ if (captive_options->rwmode==CAPTIVE_OPTION_RWMODE_BLIND) {
+ GIOChannel *captive_image_iochannel_orig;
+
+ captive_image_iochannel_orig=captive_image_iochannel;
+ captive_image_iochannel=(GIOChannel *)captive_giochannel_blind_new(captive_image_iochannel,
+ TRUE); /* writeable */
+ g_io_channel_unref(captive_image_iochannel_orig); /* reffed by captive_giochannel_blind_new() */
+ }
/* Do not initialize 'captive_image_size' by captive_giochannel_size() here
* as we yet need to do g_io_channel_set_encoding().
errbool=captive_w32_init();
g_return_val_if_fail(errbool==TRUE,FALSE);
- g_atexit(captive_shutdown_atexit);
-
active=TRUE;
return TRUE;
}
+static void dismount_volume(void)
+{
+IO_STATUS_BLOCK IoStatusBlock;
+PIO_STACK_LOCATION StackPtr;
+PIRP Irp;
+NTSTATUS Status;
+DEVICE_OBJECT *DeviceObject=captive_DriverObject.DeviceObject;
+OBJECT_ATTRIBUTES dir_ObjectAttributes;
+HANDLE dir_Handle;
+FILE_OBJECT *FileObject;
+GnomeVFSResult errvfsresult;
+NTSTATUS err;
+IO_STATUS_BLOCK dir_IoStatusBlock;
+#if 0
+static const ULONG fsctls[2]={ FSCTL_LOCK_VOLUME,FSCTL_DISMOUNT_VOLUME };
+int fsctlsi;
+#endif
+WCHAR wzero;
+
+ errvfsresult=captive_ObjectAttributes_init("/!Captive!del",&dir_ObjectAttributes);
+ g_return_if_fail(errvfsresult==GNOME_VFS_OK);
+
+ /* wanted: * IoCreateFile()->ObCreateObject(,,,IoFileObjectType)->
+ * ->(IoFileObjectType->Create==IopCreateFile)()->IoMountVolume()
+ */
+ CAPTIVE_MEMZERO(&dir_IoStatusBlock); /* FIXME: Try to pre-clear it - uninitialized otherwise? */
+ dir_IoStatusBlock.Information=FILE_OPENED; /* FIXME: Try to pre-set it - uninitialized otherwise? */
+ err=IoCreateFile(
+ &dir_Handle, /* FileHandle */
+ GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE|0x80, /* DesiredAccess; 0xC0100080=GENERIC_READ|GENERIC_WRITE|SYNCHRONIZE|0x80 */
+ &dir_ObjectAttributes, /* ObjectAttributes */
+ &dir_IoStatusBlock, /* IoStatusBlock */
+ NULL, /* AllocationSize; ignored for open */
+ FILE_ATTRIBUTE_NORMAL, /* FileAttributes; ignored for open */
+ (FILE_SHARE_READ | FILE_SHARE_WRITE), /* ShareAccess; 0 means exclusive */
+ FILE_OPEN, /* CreateDisposition */
+ /* FILE_SYNCHRONOUS_IO_{,NON}ALERT: We need to allow W32 filesystem
+ * any waits to not to let it return STATUS_CANT_WAIT us.
+ * Alertability should have only effect on asynchronous events
+ * from KeWaitForSingleObject() by setting/clearing its parameter 'Alertable'.
+ */
+ FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE, /* CreateOptions; FILE_DIRECTORY_FILE is forbidden */
+ NULL, /* EaBuffer */
+ 0, /* EaLength */
+ CreateFileTypeNone, /* CreateFileType */
+ NULL, /* ExtraCreateParameters */
+ 0); /* Options */
+ g_free(dir_ObjectAttributes.ObjectName); /* left from captive_gnomevfs_uri_parent_init() */
+ g_return_if_fail(NT_SUCCESS(err));
+ g_return_if_fail(NT_SUCCESS(err)==NT_SUCCESS(dir_IoStatusBlock.Status));
+ g_return_if_fail(dir_IoStatusBlock.Information==FILE_OPENED);
+
+ Status=ObReferenceObjectByHandle(dir_Handle,FILE_LIST_DIRECTORY,IoFileObjectType,UserMode,(PVOID *)&FileObject,NULL);
+ g_assert(NT_SUCCESS(Status));
+
+ g_assert(FileObject->FileName.Length==0);
+ /* 'FileObject->FileName.MaximumLength' is not reset by IoCreateFile(). */
+ g_assert(FileObject->FileName.Buffer==NULL);
+ FileObject->FileName.MaximumLength=2;
+ FileObject->FileName.Buffer=&wzero;
+
+#if 0
+ for (fsctlsi=0;fsctlsi<2;fsctlsi++)
+#endif
+ {
+ Irp=IoAllocateIrp(DeviceObject->StackSize,TRUE);
+ g_return_if_fail(Irp!=NULL);
+
+ Irp->UserIosb=&IoStatusBlock;
+ Irp->UserEvent=&FileObject->Event;
+ Irp->Tail.Overlay.Thread=PsGetCurrentThread();
+
+ StackPtr=IoGetNextIrpStackLocation(Irp);
+#if 0
+ StackPtr->MajorFunction=IRP_MJ_FILE_SYSTEM_CONTROL;
+ StackPtr->MinorFunction=IRP_MN_USER_FS_REQUEST;
+#else
+ StackPtr->MajorFunction=IRP_MJ_FLUSH_BUFFERS;
+#endif
+ StackPtr->Flags=0;
+ StackPtr->Control=0;
+ StackPtr->DeviceObject=DeviceObject; /* FIXME: FileObject->Vpb->DeviceObject ? */
+ StackPtr->FileObject=FileObject;
+ StackPtr->CompletionRoutine=NULL;
+
+#if 0
+ StackPtr->Parameters.FileSystemControl.OutputBufferLength=0;
+ StackPtr->Parameters.FileSystemControl.InputBufferLength=0;
+ StackPtr->Parameters.FileSystemControl.FsControlCode=fsctls[fsctlsi];
+ StackPtr->Parameters.FileSystemControl.Type3InputBuffer=NULL;
+#endif
+
+ /* IoCallDriver() will do one ObDereferenceObject(FileObject)
+ * in its IoSecondStageCompletion().
+ * Do not leave to dereference it itself as we need its 'FileObject->Event'.
+ */
+ ObReferenceObject(FileObject);
+
+ Status=IoCallDriver(DeviceObject,Irp);
+ if (Status==STATUS_PENDING) {
+ KeWaitForSingleObject(&FileObject->Event,Executive,KernelMode,FALSE,NULL);
+ Status=IoStatusBlock.Status;
+ }
+ g_assert(NT_SUCCESS(Status)
+ || (Status==STATUS_MEDIA_WRITE_PROTECTED && captive_options->rwmode==CAPTIVE_OPTION_RWMODE_RO));
+ }
+
+ ObDereferenceObject(FileObject);
+}
+
+
BOOLEAN captive_cc_FileObject_delete(FILE_OBJECT *FileObject);
void captive_cc_flush(void);
* captive_shutdown:
*
* Closes down %libcaptive. It should flush all pending buffers and successfuly
- * close the filesystem. Variable #captive_options->image_iochannel will be set to %NULL,
+ * close the filesystem. Variable #captive_options->image_iochannel will not be set to %NULL,
* you should close such channel yourself.
*
* Returns: %TRUE if successfuly shutdown.
GIOStatus erriostatus;
g_return_val_if_fail(active==TRUE,FALSE);
+ g_return_val_if_fail(captive_image_iochannel!=NULL,FALSE);
g_return_val_if_fail(captive_options->image_iochannel!=NULL,FALSE);
/* Invoke all pending idle functions just to not to forget for anything... */
FALSE)) /* may_block */
g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s: g_main_context_iteration() proceeded",G_STRLOC);
+ /* Do not: captive_cc_flush(); * based on captive_leave(), not g_main idle *
+ * replaced by IRP_MJ_FLUSH_BUFFERS.
+ */
+
+ dismount_volume();
+
+ /* Invoke all pending idle functions just to not to forget for anything... */
+ while (g_main_context_iteration(
+ NULL, /* context; NULL means default one */
+ FALSE)) /* may_block */
+ g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"%s: g_main_context_iteration() proceeded",G_STRLOC);
+
+#if 0
captive_PoQueueShutdownWorkItem_hooklist_invoke();
- captive_cc_flush();
-
- /* During IoShutdownRegisteredFileSystems() - IRP_MJ_SHUTDOWN to be specific
- * some buffers will be written but after the IofCallDriver() it will be
- * no longer possible to flush such buffers to their DeviceVolumeFile.
- * Therefore we must flush such buffers on the fly although such behaviour
- * would crash us in regular case as filesystems access BCBs even after their
- * CcUnpinData().
+#endif
+
+ /* Do not: captive_cc_flush();
+ * as the dirty blocks should have been already commited by dismount_volume(),
+ * any further commits would get us just STATUS_VOLUME_DISMOUNTED.
+ */
+
+ /* Do not: captive_cc_unmounting=TRUE;
+ * Without dismount_volume() it was:
+ * During IoShutdownRegisteredFileSystems() - IRP_MJ_SHUTDOWN to be specific
+ * some buffers will be written but after the IofCallDriver() it will be
+ * no longer possible to flush such buffers to their DeviceVolumeFile.
+ * Therefore we must flush such buffers on the fly although such behaviour
+ * would crash us in regular case as filesystems access BCBs even after their
+ * CcUnpinData().
+ * Currently the dirty blocks should have been already commited by dismount_volume(),
*/
- captive_cc_unmounting=TRUE;
/* FIXME: ntoskrnl/ex/power.c/NtShutdownSystem() does
* IoShutdownRegistered{Devices,FileSystems} order; is it correct?
*/
IoShutdownRegisteredFileSystems();
- /* Just a sanity check as all the dirty data should
- * get already flushed during IoShutdownRegisteredFileSystems().
+ /* Do not: captive_cc_FileObject_delete(NULL);
+ * as the dirty blocks should have been already commited by dismount_volume(),
+ * any further commits would get us just STATUS_VOLUME_DISMOUNTED.
*/
- captive_cc_FileObject_delete(
- NULL); /* FileObject */
IoShutdownRegisteredDevices();
- /* libcaptive is not authorized to shutdown 'captive_image_channel'. */
+ /* Just a sanity if 'captive_image_iochannel' is already reffed a bit more... */
erriostatus=g_io_channel_flush(
- captive_options->image_iochannel, /* channel */
+ captive_image_iochannel, /* channel */
NULL); /* error */
g_assert(erriostatus==G_IO_STATUS_NORMAL);
- /* 'captive_options->image_iochannel' may be blinded wrapper. */
- if (captive_options->image_iochannel!=captive_options_image_iochannel_orig) {
- erriostatus=g_io_channel_flush(
- captive_options_image_iochannel_orig, /* channel */
- NULL); /* error */
- g_assert(erriostatus==G_IO_STATUS_NORMAL);
- }
-
- captive_options->image_iochannel=NULL;
+ g_io_channel_unref(captive_image_iochannel);
+ captive_image_iochannel=NULL;
active=FALSE;
return TRUE;
}
-
-
-static void captive_shutdown_atexit(void)
-{
- if (active)
- captive_shutdown();
-}
git://git.jankratochvil.net / captive.git / blobdiff