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Sweden-Number/dlls/ntdll/loader.c

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/*
* Loader functions
*
* Copyright 1995, 2003 Alexandre Julliard
* Copyright 2002 Dmitry Timoshkov for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winnt.h"
#include "winternl.h"
#include "delayloadhandler.h"
#include "wine/exception.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "wine/debug.h"
#include "wine/list.h"
#include "wine/server.h"
#include "ntdll_misc.h"
#include "ddk/wdm.h"
WINE_DEFAULT_DEBUG_CHANNEL(module);
WINE_DECLARE_DEBUG_CHANNEL(relay);
WINE_DECLARE_DEBUG_CHANNEL(snoop);
WINE_DECLARE_DEBUG_CHANNEL(loaddll);
WINE_DECLARE_DEBUG_CHANNEL(imports);
#ifdef _WIN64
#define DEFAULT_SECURITY_COOKIE_64 (((ULONGLONG)0x00002b99 << 32) | 0x2ddfa232)
#endif
#define DEFAULT_SECURITY_COOKIE_32 0xbb40e64e
#define DEFAULT_SECURITY_COOKIE_16 (DEFAULT_SECURITY_COOKIE_32 >> 16)
/* we don't want to include winuser.h */
#define RT_MANIFEST ((ULONG_PTR)24)
#define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
typedef void (CALLBACK *LDRENUMPROC)(LDR_MODULE *, void *, BOOLEAN *);
/* system directory with trailing backslash */
const WCHAR system_dir[] = {'C',':','\\','w','i','n','d','o','w','s','\\',
's','y','s','t','e','m','3','2','\\',0};
const WCHAR syswow64_dir[] = {'C',':','\\','w','i','n','d','o','w','s','\\',
's','y','s','w','o','w','6','4','\\',0};
/* system search path */
static const WCHAR system_path[] =
{'C',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m','3','2',';',
'C',':','\\','w','i','n','d','o','w','s','\\','s','y','s','t','e','m',';',
'C',':','\\','w','i','n','d','o','w','s',0};
static const WCHAR dotW[] = {'.',0};
static BOOL imports_fixup_done = FALSE; /* set once the imports have been fixed up, before attaching them */
static BOOL process_detaching = FALSE; /* set on process detach to avoid deadlocks with thread detach */
static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
static ULONG path_safe_mode; /* path mode set by RtlSetSearchPathMode */
static ULONG dll_safe_mode = 1; /* dll search mode */
static UNICODE_STRING dll_directory; /* extra path for LdrSetDllDirectory */
static DWORD default_search_flags; /* default flags set by LdrSetDefaultDllDirectories */
struct dll_dir_entry
{
struct list entry;
WCHAR dir[1];
};
static struct list dll_dir_list = LIST_INIT( dll_dir_list ); /* extra dirs from LdrAddDllDirectory */
struct ldr_notification
{
struct list entry;
PLDR_DLL_NOTIFICATION_FUNCTION callback;
void *context;
};
static struct list ldr_notifications = LIST_INIT( ldr_notifications );
static const char * const reason_names[] =
{
"PROCESS_DETACH",
"PROCESS_ATTACH",
"THREAD_ATTACH",
"THREAD_DETACH",
NULL, NULL, NULL, NULL,
"WINE_PREATTACH"
};
static const WCHAR dllW[] = {'.','d','l','l',0};
/* internal representation of 32bit modules. per process. */
typedef struct _wine_modref
{
LDR_MODULE ldr;
dev_t dev;
ino_t ino;
int alloc_deps;
int nDeps;
struct _wine_modref **deps;
} WINE_MODREF;
/* info about the current builtin dll load */
/* used to keep track of things across the register_dll constructor call */
struct builtin_load_info
{
const WCHAR *load_path;
const UNICODE_STRING *filename;
NTSTATUS status;
WINE_MODREF *wm;
};
static struct builtin_load_info default_load_info;
static struct builtin_load_info *builtin_load_info = &default_load_info;
static UINT tls_module_count; /* number of modules with TLS directory */
static IMAGE_TLS_DIRECTORY *tls_dirs; /* array of TLS directories */
LIST_ENTRY tls_links = { &tls_links, &tls_links };
static RTL_CRITICAL_SECTION loader_section;
static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &loader_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
};
static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static CRITICAL_SECTION dlldir_section;
static CRITICAL_SECTION_DEBUG dlldir_critsect_debug =
{
0, 0, &dlldir_section,
{ &dlldir_critsect_debug.ProcessLocksList, &dlldir_critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dlldir_section") }
};
static CRITICAL_SECTION dlldir_section = { &dlldir_critsect_debug, -1, 0, 0, 0, 0 };
static WINE_MODREF *cached_modref;
static WINE_MODREF *current_modref;
static WINE_MODREF *last_failed_modref;
static NTSTATUS load_dll( const WCHAR *load_path, const WCHAR *libname, const WCHAR *default_ext,
DWORD flags, WINE_MODREF** pwm );
static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, DWORD ordinal, LPCWSTR load_path );
static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
/* convert PE image VirtualAddress to Real Address */
static inline void *get_rva( HMODULE module, DWORD va )
{
return (void *)((char *)module + va);
}
/* check whether the file name contains a path */
static inline BOOL contains_path( LPCWSTR name )
{
return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
}
/* convert from straight ASCII to Unicode without depending on the current codepage */
static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
{
while (len--) *dst++ = (unsigned char)*src++;
}
#define RTL_UNLOAD_EVENT_TRACE_NUMBER 64
typedef struct _RTL_UNLOAD_EVENT_TRACE
{
void *BaseAddress;
SIZE_T SizeOfImage;
ULONG Sequence;
ULONG TimeDateStamp;
ULONG CheckSum;
WCHAR ImageName[32];
} RTL_UNLOAD_EVENT_TRACE, *PRTL_UNLOAD_EVENT_TRACE;
static RTL_UNLOAD_EVENT_TRACE unload_traces[RTL_UNLOAD_EVENT_TRACE_NUMBER];
static unsigned int unload_trace_seq;
static void module_push_unload_trace( const LDR_MODULE *ldr )
{
RTL_UNLOAD_EVENT_TRACE *ptr = &unload_traces[unload_trace_seq];
unsigned int len = min(sizeof(ptr->ImageName) - sizeof(WCHAR), ldr->BaseDllName.Length);
ptr->BaseAddress = ldr->BaseAddress;
ptr->SizeOfImage = ldr->SizeOfImage;
ptr->Sequence = unload_trace_seq;
ptr->TimeDateStamp = ldr->TimeDateStamp;
ptr->CheckSum = ldr->CheckSum;
memcpy(ptr->ImageName, ldr->BaseDllName.Buffer, len);
ptr->ImageName[len / sizeof(*ptr->ImageName)] = 0;
unload_trace_seq = (unload_trace_seq + 1) % ARRAY_SIZE(unload_traces);
}
/*********************************************************************
* RtlGetUnloadEventTrace [NTDLL.@]
*/
RTL_UNLOAD_EVENT_TRACE * WINAPI RtlGetUnloadEventTrace(void)
{
return unload_traces;
}
/*********************************************************************
* RtlGetUnloadEventTraceEx [NTDLL.@]
*/
void WINAPI RtlGetUnloadEventTraceEx(ULONG **size, ULONG **count, void **trace)
{
static unsigned int element_size = sizeof(*unload_traces);
static unsigned int element_count = ARRAY_SIZE(unload_traces);
*size = &element_size;
*count = &element_count;
*trace = unload_traces;
}
/*************************************************************************
* call_dll_entry_point
*
* Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
* their entry point, so we need a small asm wrapper. Testing indicates
* that only modifying esi leads to a crash, so use this one to backup
* ebp while running the dll entry proc.
*/
#ifdef __i386__
extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
__ASM_GLOBAL_FUNC(call_dll_entry_point,
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"pushl %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
"pushl %esi\n\t"
__ASM_CFI(".cfi_rel_offset %esi,-8\n\t")
"pushl %edi\n\t"
__ASM_CFI(".cfi_rel_offset %edi,-12\n\t")
"movl %ebp,%esi\n\t"
__ASM_CFI(".cfi_def_cfa_register %esi\n\t")
"pushl 20(%ebp)\n\t"
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"movl 8(%ebp),%eax\n\t"
"call *%eax\n\t"
"movl %esi,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"leal -12(%ebp),%esp\n\t"
"popl %edi\n\t"
__ASM_CFI(".cfi_same_value %edi\n\t")
"popl %esi\n\t"
__ASM_CFI(".cfi_same_value %esi\n\t")
"popl %ebx\n\t"
__ASM_CFI(".cfi_same_value %ebx\n\t")
"popl %ebp\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
#else /* __i386__ */
static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
UINT reason, void *reserved )
{
return proc( module, reason, reserved );
}
#endif /* __i386__ */
#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
/*************************************************************************
* stub_entry_point
*
* Entry point for stub functions.
*/
static void stub_entry_point( const char *dll, const char *name, void *ret_addr )
{
EXCEPTION_RECORD rec;
rec.ExceptionCode = EXCEPTION_WINE_STUB;
rec.ExceptionFlags = EH_NONCONTINUABLE;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = ret_addr;
rec.NumberParameters = 2;
rec.ExceptionInformation[0] = (ULONG_PTR)dll;
rec.ExceptionInformation[1] = (ULONG_PTR)name;
for (;;) RtlRaiseException( &rec );
}
#include "pshpack1.h"
#ifdef __i386__
struct stub
{
BYTE pushl1; /* pushl $name */
const char *name;
BYTE pushl2; /* pushl $dll */
const char *dll;
BYTE call; /* call stub_entry_point */
DWORD entry;
};
#elif defined(__arm__)
struct stub
{
DWORD ldr_r0; /* ldr r0, $dll */
DWORD ldr_r1; /* ldr r1, $name */
DWORD mov_r2_lr; /* mov r2, lr */
DWORD ldr_pc_pc; /* ldr pc, [pc, #4] */
const char *dll;
const char *name;
const void* entry;
};
#elif defined(__aarch64__)
struct stub
{
DWORD ldr_x0; /* ldr x0, $dll */
DWORD ldr_x1; /* ldr x1, $name */
DWORD mov_x2_lr; /* mov x2, lr */
DWORD ldr_x16; /* ldr x16, $entry */
DWORD br_x16; /* br x16 */
const char *dll;
const char *name;
const void *entry;
};
#else
struct stub
{
BYTE movq_rdi[2]; /* movq $dll,%rdi */
const char *dll;
BYTE movq_rsi[2]; /* movq $name,%rsi */
const char *name;
BYTE movq_rsp_rdx[4]; /* movq (%rsp),%rdx */
BYTE movq_rax[2]; /* movq $entry, %rax */
const void* entry;
BYTE jmpq_rax[2]; /* jmp %rax */
};
#endif
#include "poppack.h"
/*************************************************************************
* allocate_stub
*
* Allocate a stub entry point.
*/
static ULONG_PTR allocate_stub( const char *dll, const char *name )
{
#define MAX_SIZE 65536
static struct stub *stubs;
static unsigned int nb_stubs;
struct stub *stub;
if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
if (!stubs)
{
SIZE_T size = MAX_SIZE;
if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
MEM_COMMIT, PAGE_EXECUTE_READWRITE ) != STATUS_SUCCESS)
return 0xdeadbeef;
}
stub = &stubs[nb_stubs++];
#ifdef __i386__
stub->pushl1 = 0x68; /* pushl $name */
stub->name = name;
stub->pushl2 = 0x68; /* pushl $dll */
stub->dll = dll;
stub->call = 0xe8; /* call stub_entry_point */
stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
#elif defined(__arm__)
stub->ldr_r0 = 0xe59f0008; /* ldr r0, [pc, #8] ($dll) */
stub->ldr_r1 = 0xe59f1008; /* ldr r1, [pc, #8] ($name) */
stub->mov_r2_lr = 0xe1a0200e; /* mov r2, lr */
stub->ldr_pc_pc = 0xe59ff004; /* ldr pc, [pc, #4] */
stub->dll = dll;
stub->name = name;
stub->entry = stub_entry_point;
#elif defined(__aarch64__)
stub->ldr_x0 = 0x580000a0; /* ldr x0, #20 ($dll) */
stub->ldr_x1 = 0x580000c1; /* ldr x1, #24 ($name) */
stub->mov_x2_lr = 0xaa1e03e2; /* mov x2, lr */
stub->ldr_x16 = 0x580000d0; /* ldr x16, #24 ($entry) */
stub->br_x16 = 0xd61f0200; /* br x16 */
stub->dll = dll;
stub->name = name;
stub->entry = stub_entry_point;
#else
stub->movq_rdi[0] = 0x48; /* movq $dll,%rdi */
stub->movq_rdi[1] = 0xbf;
stub->dll = dll;
stub->movq_rsi[0] = 0x48; /* movq $name,%rsi */
stub->movq_rsi[1] = 0xbe;
stub->name = name;
stub->movq_rsp_rdx[0] = 0x48; /* movq (%rsp),%rdx */
stub->movq_rsp_rdx[1] = 0x8b;
stub->movq_rsp_rdx[2] = 0x14;
stub->movq_rsp_rdx[3] = 0x24;
stub->movq_rax[0] = 0x48; /* movq $entry, %rax */
stub->movq_rax[1] = 0xb8;
stub->entry = stub_entry_point;
stub->jmpq_rax[0] = 0xff; /* jmp %rax */
stub->jmpq_rax[1] = 0xe0;
#endif
return (ULONG_PTR)stub;
}
#else /* __i386__ */
static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
#endif /* __i386__ */
/* call ldr notifications */
static void call_ldr_notifications( ULONG reason, LDR_MODULE *module )
{
struct ldr_notification *notify, *notify_next;
LDR_DLL_NOTIFICATION_DATA data;
data.Loaded.Flags = 0;
data.Loaded.FullDllName = &module->FullDllName;
data.Loaded.BaseDllName = &module->BaseDllName;
data.Loaded.DllBase = module->BaseAddress;
data.Loaded.SizeOfImage = module->SizeOfImage;
LIST_FOR_EACH_ENTRY_SAFE( notify, notify_next, &ldr_notifications, struct ldr_notification, entry )
{
TRACE_(relay)("\1Call LDR notification callback (proc=%p,reason=%u,data=%p,context=%p)\n",
notify->callback, reason, &data, notify->context );
notify->callback(reason, &data, notify->context);
TRACE_(relay)("\1Ret LDR notification callback (proc=%p,reason=%u,data=%p,context=%p)\n",
notify->callback, reason, &data, notify->context );
}
}
/*************************************************************************
* get_modref
*
* Looks for the referenced HMODULE in the current process
* The loader_section must be locked while calling this function.
*/
static WINE_MODREF *get_modref( HMODULE hmod )
{
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
if (mod->BaseAddress == hmod)
return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
}
return NULL;
}
/**********************************************************************
* find_basename_module
*
* Find a module from its base name.
* The loader_section must be locked while calling this function
*/
static WINE_MODREF *find_basename_module( LPCWSTR name )
{
PLIST_ENTRY mark, entry;
if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
return cached_modref;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
if (!strcmpiW( name, mod->BaseDllName.Buffer ))
{
cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
return cached_modref;
}
}
return NULL;
}
/**********************************************************************
* find_fullname_module
*
* Find a module from its full path name.
* The loader_section must be locked while calling this function
*/
static WINE_MODREF *find_fullname_module( const UNICODE_STRING *nt_name )
{
PLIST_ENTRY mark, entry;
UNICODE_STRING name = *nt_name;
if (name.Length <= 4 * sizeof(WCHAR)) return NULL;
name.Length -= 4 * sizeof(WCHAR); /* for \??\ prefix */
name.Buffer += 4;
if (cached_modref && RtlEqualUnicodeString( &name, &cached_modref->ldr.FullDllName, TRUE ))
return cached_modref;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
if (RtlEqualUnicodeString( &name, &mod->FullDllName, TRUE ))
{
cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
return cached_modref;
}
}
return NULL;
}
/**********************************************************************
* find_fileid_module
*
* Find a module from its file id.
* The loader_section must be locked while calling this function
*/
static WINE_MODREF *find_fileid_module( struct stat *st )
{
LIST_ENTRY *mark, *entry;
if (cached_modref && cached_modref->dev == st->st_dev && cached_modref->ino == st->st_ino)
return cached_modref;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
WINE_MODREF *wm = CONTAINING_RECORD( mod, WINE_MODREF, ldr );
if (wm->dev == st->st_dev && wm->ino == st->st_ino)
{
cached_modref = wm;
return wm;
}
}
return NULL;
}
/**********************************************************************
* find_so_module
*
* Find a module from its so file handle.
* The loader_section must be locked while calling this function
*/
static WINE_MODREF *find_so_module( void *handle )
{
LIST_ENTRY *mark, *entry;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
WINE_MODREF *wm = CONTAINING_RECORD( mod, WINE_MODREF, ldr );
if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle) return wm;
}
return NULL;
}
/*************************************************************************
* find_forwarded_export
*
* Find the final function pointer for a forwarded function.
* The loader_section must be locked while calling this function.
*/
static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
{
const IMAGE_EXPORT_DIRECTORY *exports;
DWORD exp_size;
WINE_MODREF *wm;
WCHAR mod_name[32];
const char *end = strrchr(forward, '.');
FARPROC proc = NULL;
if (!end) return NULL;
if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
ascii_to_unicode( mod_name, forward, end - forward );
mod_name[end - forward] = 0;
if (!strchrW( mod_name, '.' ))
{
if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
}
if (!(wm = find_basename_module( mod_name )))
{
TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
if (load_dll( load_path, mod_name, dllW, 0, &wm ) == STATUS_SUCCESS &&
!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
{
if (!imports_fixup_done && current_modref)
{
WINE_MODREF **deps;
if (current_modref->alloc_deps)
deps = RtlReAllocateHeap( GetProcessHeap(), 0, current_modref->deps,
(current_modref->alloc_deps + 1) * sizeof(*deps) );
else
deps = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*deps) );
if (deps)
{
deps[current_modref->nDeps++] = wm;
current_modref->deps = deps;
current_modref->alloc_deps++;
}
}
else if (process_attach( wm, NULL ) != STATUS_SUCCESS)
{
LdrUnloadDll( wm->ldr.BaseAddress );
wm = NULL;
}
}
if (!wm)
{
ERR( "module not found for forward '%s' used by %s\n",
forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
return NULL;
}
}
if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
{
const char *name = end + 1;
if (*name == '#') /* ordinal */
proc = find_ordinal_export( wm->ldr.BaseAddress, exports, exp_size, atoi(name+1), load_path );
else
proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, name, -1, load_path );
}
if (!proc)
{
ERR("function not found for forward '%s' used by %s."
" If you are using builtin %s, try using the native one instead.\n",
forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
}
return proc;
}
/*************************************************************************
* find_ordinal_export
*
* Find an exported function by ordinal.
* The exports base must have been subtracted from the ordinal already.
* The loader_section must be locked while calling this function.
*/
static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
{
FARPROC proc;
const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
if (ordinal >= exports->NumberOfFunctions)
{
TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
return NULL;
}
if (!functions[ordinal]) return NULL;
proc = get_rva( module, functions[ordinal] );
/* if the address falls into the export dir, it's a forward */
if (((const char *)proc >= (const char *)exports) &&
((const char *)proc < (const char *)exports + exp_size))
return find_forwarded_export( module, (const char *)proc, load_path );
if (TRACE_ON(snoop))
{
const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
}
if (TRACE_ON(relay))
{
const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
}
return proc;
}
/*************************************************************************
* find_named_export
*
* Find an exported function by name.
* The loader_section must be locked while calling this function.
*/
static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
{
const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
const DWORD *names = get_rva( module, exports->AddressOfNames );
int min = 0, max = exports->NumberOfNames - 1;
/* first check the hint */
if (hint >= 0 && hint <= max)
{
char *ename = get_rva( module, names[hint] );
if (!strcmp( ename, name ))
return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
}
/* then do a binary search */
while (min <= max)
{
int res, pos = (min + max) / 2;
char *ename = get_rva( module, names[pos] );
if (!(res = strcmp( ename, name )))
return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
if (res > 0) max = pos - 1;
else min = pos + 1;
}
return NULL;
}
/*************************************************************************
* import_dll
*
* Import the dll specified by the given import descriptor.
* The loader_section must be locked while calling this function.
*/
static BOOL import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path, WINE_MODREF **pwm )
{
NTSTATUS status;
WINE_MODREF *wmImp;
HMODULE imp_mod;
const IMAGE_EXPORT_DIRECTORY *exports;
DWORD exp_size;
const IMAGE_THUNK_DATA *import_list;
IMAGE_THUNK_DATA *thunk_list;
WCHAR buffer[32];
const char *name = get_rva( module, descr->Name );
DWORD len = strlen(name);
PVOID protect_base;
SIZE_T protect_size = 0;
DWORD protect_old;
thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
if (descr->u.OriginalFirstThunk)
import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
else
import_list = thunk_list;
if (!import_list->u1.Ordinal)
{
WARN( "Skipping unused import %s\n", name );
*pwm = NULL;
return TRUE;
}
while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
if (len * sizeof(WCHAR) < sizeof(buffer))
{
ascii_to_unicode( buffer, name, len );
buffer[len] = 0;
status = load_dll( load_path, buffer, dllW, 0, &wmImp );
}
else /* need to allocate a larger buffer */
{
WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
if (!ptr) return FALSE;
ascii_to_unicode( ptr, name, len );
ptr[len] = 0;
status = load_dll( load_path, ptr, dllW, 0, &wmImp );
RtlFreeHeap( GetProcessHeap(), 0, ptr );
}
if (status)
{
if (status == STATUS_DLL_NOT_FOUND)
ERR("Library %s (which is needed by %s) not found\n",
name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
else
ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
return FALSE;
}
/* unprotect the import address table since it can be located in
* readonly section */
while (import_list[protect_size].u1.Ordinal) protect_size++;
protect_base = thunk_list;
protect_size *= sizeof(*thunk_list);
NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
&protect_size, PAGE_READWRITE, &protect_old );
imp_mod = wmImp->ldr.BaseAddress;
exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
if (!exports)
{
/* set all imported function to deadbeef */
while (import_list->u1.Ordinal)
{
if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
{
int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
WARN("No implementation for %s.%d", name, ordinal );
thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
}
else
{
IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
WARN("No implementation for %s.%s", name, pe_name->Name );
thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
}
WARN(" imported from %s, allocating stub %p\n",
debugstr_w(current_modref->ldr.FullDllName.Buffer),
(void *)thunk_list->u1.Function );
import_list++;
thunk_list++;
}
goto done;
}
while (import_list->u1.Ordinal)
{
if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
{
int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
ordinal - exports->Base, load_path );
if (!thunk_list->u1.Function)
{
thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
WARN("No implementation for %s.%d imported from %s, setting to %p\n",
name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
(void *)thunk_list->u1.Function );
}
TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
}
else /* import by name */
{
IMAGE_IMPORT_BY_NAME *pe_name;
pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
(const char*)pe_name->Name,
pe_name->Hint, load_path );
if (!thunk_list->u1.Function)
{
thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
WARN("No implementation for %s.%s imported from %s, setting to %p\n",
name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
(void *)thunk_list->u1.Function );
}
TRACE_(imports)("--- %s %s.%d = %p\n",
pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
}
import_list++;
thunk_list++;
}
done:
/* restore old protection of the import address table */
NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, &protect_old );
*pwm = wmImp;
return TRUE;
}
/***********************************************************************
* create_module_activation_context
*/
static NTSTATUS create_module_activation_context( LDR_MODULE *module )
{
NTSTATUS status;
LDR_RESOURCE_INFO info;
const IMAGE_RESOURCE_DATA_ENTRY *entry;
info.Type = RT_MANIFEST;
info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
info.Language = 0;
if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
{
ACTCTXW ctx;
ctx.cbSize = sizeof(ctx);
ctx.lpSource = NULL;
ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
ctx.hModule = module->BaseAddress;
ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
}
return status;
}
/*************************************************************************
* is_dll_native_subsystem
*
* Check if dll is a proper native driver.
* Some dlls (corpol.dll from IE6 for instance) are incorrectly marked as native
* while being perfectly normal DLLs. This heuristic should catch such breakages.
*/
static BOOL is_dll_native_subsystem( LDR_MODULE *mod, const IMAGE_NT_HEADERS *nt, LPCWSTR filename )
{
static const WCHAR ntdllW[] = {'n','t','d','l','l','.','d','l','l',0};
static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
const IMAGE_IMPORT_DESCRIPTOR *imports;
DWORD i, size;
WCHAR buffer[16];
if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE) return FALSE;
if (nt->OptionalHeader.SectionAlignment < page_size) return TRUE;
if (mod->Flags & LDR_WINE_INTERNAL) return TRUE;
if ((imports = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
{
for (i = 0; imports[i].Name; i++)
{
const char *name = get_rva( mod->BaseAddress, imports[i].Name );
DWORD len = strlen(name);
if (len * sizeof(WCHAR) >= sizeof(buffer)) continue;
ascii_to_unicode( buffer, name, len + 1 );
if (!strcmpiW( buffer, ntdllW ) || !strcmpiW( buffer, kernel32W ))
{
TRACE( "%s imports %s, assuming not native\n", debugstr_w(filename), debugstr_w(buffer) );
return FALSE;
}
}
}
return TRUE;
}
/*************************************************************************
* alloc_tls_slot
*
* Allocate a TLS slot for a newly-loaded module.
* The loader_section must be locked while calling this function.
*/
static SHORT alloc_tls_slot( LDR_MODULE *mod )
{
const IMAGE_TLS_DIRECTORY *dir;
ULONG i, size;
void *new_ptr;
LIST_ENTRY *entry;
if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &size )))
return -1;
size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
if (!size && !dir->SizeOfZeroFill && !dir->AddressOfCallBacks) return -1;
for (i = 0; i < tls_module_count; i++)
{
if (!tls_dirs[i].StartAddressOfRawData && !tls_dirs[i].EndAddressOfRawData &&
!tls_dirs[i].SizeOfZeroFill && !tls_dirs[i].AddressOfCallBacks)
break;
}
TRACE( "module %p data %p-%p zerofill %u index %p callback %p flags %x -> slot %u\n", mod->BaseAddress,
(void *)dir->StartAddressOfRawData, (void *)dir->EndAddressOfRawData, dir->SizeOfZeroFill,
(void *)dir->AddressOfIndex, (void *)dir->AddressOfCallBacks, dir->Characteristics, i );
if (i == tls_module_count)
{
UINT new_count = max( 32, tls_module_count * 2 );
if (!tls_dirs)
new_ptr = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, new_count * sizeof(*tls_dirs) );
else
new_ptr = RtlReAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, tls_dirs,
new_count * sizeof(*tls_dirs) );
if (!new_ptr) return -1;
/* resize the pointer block in all running threads */
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
{
TEB *teb = CONTAINING_RECORD( entry, TEB, TlsLinks );
void **old = teb->ThreadLocalStoragePointer;
void **new = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, new_count * sizeof(*new));
if (!new) return -1;
if (old) memcpy( new, old, tls_module_count * sizeof(*new) );
teb->ThreadLocalStoragePointer = new;
#if defined(__APPLE__) && defined(__x86_64__)
if (teb->Reserved5[0])
((TEB*)teb->Reserved5[0])->ThreadLocalStoragePointer = new;
#endif
TRACE( "thread %04lx tls block %p -> %p\n", (ULONG_PTR)teb->ClientId.UniqueThread, old, new );
/* FIXME: can't free old block here, should be freed at thread exit */
}
tls_dirs = new_ptr;
tls_module_count = new_count;
}
/* allocate the data block in all running threads */
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
{
TEB *teb = CONTAINING_RECORD( entry, TEB, TlsLinks );
if (!(new_ptr = RtlAllocateHeap( GetProcessHeap(), 0, size + dir->SizeOfZeroFill ))) return -1;
memcpy( new_ptr, (void *)dir->StartAddressOfRawData, size );
memset( (char *)new_ptr + size, 0, dir->SizeOfZeroFill );
TRACE( "thread %04lx slot %u: %u/%u bytes at %p\n",
(ULONG_PTR)teb->ClientId.UniqueThread, i, size, dir->SizeOfZeroFill, new_ptr );
RtlFreeHeap( GetProcessHeap(), 0,
interlocked_xchg_ptr( (void **)teb->ThreadLocalStoragePointer + i, new_ptr ));
}
*(DWORD *)dir->AddressOfIndex = i;
tls_dirs[i] = *dir;
return i;
}
/*************************************************************************
* free_tls_slot
*
* Free the module TLS slot on unload.
* The loader_section must be locked while calling this function.
*/
static void free_tls_slot( LDR_MODULE *mod )
{
ULONG i = (USHORT)mod->TlsIndex;
if (mod->TlsIndex == -1) return;
assert( i < tls_module_count );
memset( &tls_dirs[i], 0, sizeof(tls_dirs[i]) );
}
/****************************************************************
* fixup_imports_ilonly
*
* Fixup imports for an IL-only module. All we do is import mscoree.
* The loader_section must be locked while calling this function.
*/
static NTSTATUS fixup_imports_ilonly( WINE_MODREF *wm, LPCWSTR load_path, void **entry )
{
static const WCHAR mscoreeW[] = {'m','s','c','o','r','e','e','.','d','l','l',0};
IMAGE_EXPORT_DIRECTORY *exports;
DWORD exp_size;
NTSTATUS status;
void *proc = NULL;
WINE_MODREF *prev, *imp;
if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
wm->nDeps = 1;
wm->alloc_deps = 1;
wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(WINE_MODREF *) );
prev = current_modref;
current_modref = wm;
if (!(status = load_dll( load_path, mscoreeW, NULL, 0, &imp ))) wm->deps[0] = imp;
current_modref = prev;
if (status)
{
ERR( "mscoree.dll not found, IL-only binary %s cannot be loaded\n",
debugstr_w(wm->ldr.BaseDllName.Buffer) );
return status;
}
TRACE( "loaded mscoree for %s\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
if ((exports = RtlImageDirectoryEntryToData( imp->ldr.BaseAddress, TRUE,
IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
{
const char *name = (wm->ldr.Flags & LDR_IMAGE_IS_DLL) ? "_CorDllMain" : "_CorExeMain";
proc = find_named_export( imp->ldr.BaseAddress, exports, exp_size, name, -1, load_path );
}
if (!proc) return STATUS_PROCEDURE_NOT_FOUND;
*entry = proc;
return STATUS_SUCCESS;
}
/****************************************************************
* fixup_imports
*
* Fixup all imports of a given module.
* The loader_section must be locked while calling this function.
*/
static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
{
int i, dep, nb_imports;
const IMAGE_IMPORT_DESCRIPTOR *imports;
WINE_MODREF *prev, *imp;
DWORD size;
NTSTATUS status;
ULONG_PTR cookie;
if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
wm->ldr.TlsIndex = alloc_tls_slot( &wm->ldr );
if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
return STATUS_SUCCESS;
nb_imports = 0;
while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
if (!nb_imports) return STATUS_SUCCESS; /* no imports */
if (!create_module_activation_context( &wm->ldr ))
RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
/* Allocate module dependency list */
wm->alloc_deps = nb_imports;
wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
/* load the imported modules. They are automatically
* added to the modref list of the process.
*/
prev = current_modref;
current_modref = wm;
status = STATUS_SUCCESS;
for (i = 0; i < nb_imports; i++)
{
dep = wm->nDeps++;
if (!import_dll( wm->ldr.BaseAddress, &imports[i], load_path, &imp ))
{
imp = NULL;
status = STATUS_DLL_NOT_FOUND;
}
wm->deps[dep] = imp;
}
current_modref = prev;
if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
return status;
}
/*************************************************************************
* alloc_module
*
* Allocate a WINE_MODREF structure and add it to the process list
* The loader_section must be locked while calling this function.
*/
static WINE_MODREF *alloc_module( HMODULE hModule, const UNICODE_STRING *nt_name, BOOL builtin )
{
WINE_MODREF *wm;
const WCHAR *p;
const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
if (!(wm = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wm) ))) return NULL;
wm->ldr.BaseAddress = hModule;
wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
wm->ldr.Flags = LDR_DONT_RESOLVE_REFS | (builtin ? LDR_WINE_INTERNAL : 0);
wm->ldr.TlsIndex = -1;
wm->ldr.LoadCount = 1;
RtlCreateUnicodeString( &wm->ldr.FullDllName, nt_name->Buffer + 4 /* \??\ prefix */ );
if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
else p = wm->ldr.FullDllName.Buffer;
RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) || !is_dll_native_subsystem( &wm->ldr, nt, p ))
{
if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
if (nt->OptionalHeader.AddressOfEntryPoint)
wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
}
InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
&wm->ldr.InLoadOrderModuleList);
InsertTailList(&NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList,
&wm->ldr.InMemoryOrderModuleList);
/* wait until init is called for inserting into InInitializationOrderModuleList */
if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
{
ULONG flags = MEM_EXECUTE_OPTION_ENABLE;
WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
NtSetInformationProcess( GetCurrentProcess(), ProcessExecuteFlags, &flags, sizeof(flags) );
}
return wm;
}
/*************************************************************************
* alloc_thread_tls
*
* Allocate the per-thread structure for module TLS storage.
*/
static NTSTATUS alloc_thread_tls(void)
{
void **pointers;
UINT i, size;
if (!tls_module_count) return STATUS_SUCCESS;
if (!(pointers = RtlAllocateHeap( GetProcessHeap(), HEAP_ZERO_MEMORY,
tls_module_count * sizeof(*pointers) )))
return STATUS_NO_MEMORY;
for (i = 0; i < tls_module_count; i++)
{
const IMAGE_TLS_DIRECTORY *dir = &tls_dirs[i];
if (!dir) continue;
size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
if (!size && !dir->SizeOfZeroFill) continue;
if (!(pointers[i] = RtlAllocateHeap( GetProcessHeap(), 0, size + dir->SizeOfZeroFill )))
{
while (i) RtlFreeHeap( GetProcessHeap(), 0, pointers[--i] );
RtlFreeHeap( GetProcessHeap(), 0, pointers );
return STATUS_NO_MEMORY;
}
memcpy( pointers[i], (void *)dir->StartAddressOfRawData, size );
memset( (char *)pointers[i] + size, 0, dir->SizeOfZeroFill );
TRACE( "thread %04x slot %u: %u/%u bytes at %p\n",
GetCurrentThreadId(), i, size, dir->SizeOfZeroFill, pointers[i] );
}
NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
#if defined(__APPLE__) && defined(__x86_64__)
__asm__ volatile (".byte 0x65\n\tmovq %0,%c1"
:
: "r" (pointers), "n" (FIELD_OFFSET(TEB, ThreadLocalStoragePointer)));
#endif
return STATUS_SUCCESS;
}
/*************************************************************************
* call_tls_callbacks
*/
static void call_tls_callbacks( HMODULE module, UINT reason )
{
const IMAGE_TLS_DIRECTORY *dir;
const PIMAGE_TLS_CALLBACK *callback;
ULONG dirsize;
if (reason == DLL_WINE_PREATTACH) return;
dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
if (!dir || !dir->AddressOfCallBacks) return;
for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
{
TRACE_(relay)("\1Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
*callback, module, reason_names[reason] );
__TRY
{
call_dll_entry_point( (DLLENTRYPROC)*callback, module, reason, NULL );
}
__EXCEPT_ALL
{
TRACE_(relay)("\1exception %08x in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
GetExceptionCode(), callback, module, reason_names[reason] );
return;
}
__ENDTRY
TRACE_(relay)("\1Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
*callback, module, reason_names[reason] );
}
}
/*************************************************************************
* MODULE_InitDLL
*/
static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
{
WCHAR mod_name[32];
NTSTATUS status = STATUS_SUCCESS;
DLLENTRYPROC entry = wm->ldr.EntryPoint;
void *module = wm->ldr.BaseAddress;
BOOL retv = FALSE;
/* Skip calls for modules loaded with special load flags */
if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
if (!entry || !(wm->ldr.Flags & LDR_IMAGE_IS_DLL)) return STATUS_SUCCESS;
if (TRACE_ON(relay))
{
size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
mod_name[len / sizeof(WCHAR)] = 0;
TRACE_(relay)("\1Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
entry, module, debugstr_w(mod_name), reason_names[reason], lpReserved );
}
else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
reason_names[reason], lpReserved );
__TRY
{
retv = call_dll_entry_point( entry, module, reason, lpReserved );
if (!retv)
status = STATUS_DLL_INIT_FAILED;
}
__EXCEPT_ALL
{
status = GetExceptionCode();
TRACE_(relay)("\1exception %08x in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
status, entry, module, reason_names[reason], lpReserved );
}
__ENDTRY
/* The state of the module list may have changed due to the call
to the dll. We cannot assume that this module has not been
deleted. */
if (TRACE_ON(relay))
TRACE_(relay)("\1Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
entry, module, debugstr_w(mod_name), reason_names[reason], lpReserved, retv );
else
TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
return status;
}
/*************************************************************************
* process_attach
*
* Send the process attach notification to all DLLs the given module
* depends on (recursively). This is somewhat complicated due to the fact that
*
* - we have to respect the module dependencies, i.e. modules implicitly
* referenced by another module have to be initialized before the module
* itself can be initialized
*
* - the initialization routine of a DLL can itself call LoadLibrary,
* thereby introducing a whole new set of dependencies (even involving
* the 'old' modules) at any time during the whole process
*
* (Note that this routine can be recursively entered not only directly
* from itself, but also via LoadLibrary from one of the called initialization
* routines.)
*
* Furthermore, we need to rearrange the main WINE_MODREF list to allow
* the process *detach* notifications to be sent in the correct order.
* This must not only take into account module dependencies, but also
* 'hidden' dependencies created by modules calling LoadLibrary in their
* attach notification routine.
*
* The strategy is rather simple: we move a WINE_MODREF to the head of the
* list after the attach notification has returned. This implies that the
* detach notifications are called in the reverse of the sequence the attach
* notifications *returned*.
*
* The loader_section must be locked while calling this function.
*/
static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
{
NTSTATUS status = STATUS_SUCCESS;
ULONG_PTR cookie;
int i;
if (process_detaching) return status;
/* prevent infinite recursion in case of cyclical dependencies */
if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
|| ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
return status;
TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
/* Tag current MODREF to prevent recursive loop */
wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
/* Recursively attach all DLLs this one depends on */
for ( i = 0; i < wm->nDeps; i++ )
{
if (!wm->deps[i]) continue;
if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
}
if (!wm->ldr.InInitializationOrderModuleList.Flink)
InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
&wm->ldr.InInitializationOrderModuleList);
/* Call DLL entry point */
if (status == STATUS_SUCCESS)
{
WINE_MODREF *prev = current_modref;
current_modref = wm;
call_ldr_notifications( LDR_DLL_NOTIFICATION_REASON_LOADED, &wm->ldr );
status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
if (status == STATUS_SUCCESS)
{
wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
}
else
{
MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
call_ldr_notifications( LDR_DLL_NOTIFICATION_REASON_UNLOADED, &wm->ldr );
/* point to the name so LdrInitializeThunk can print it */
last_failed_modref = wm;
WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
}
current_modref = prev;
}
if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
/* Remove recursion flag */
wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
return status;
}
/**********************************************************************
* attach_implicitly_loaded_dlls
*
* Attach to the (builtin) dlls that have been implicitly loaded because
* of a dependency at the Unix level, but not imported at the Win32 level.
*/
static void attach_implicitly_loaded_dlls( LPVOID reserved )
{
for (;;)
{
PLIST_ENTRY mark, entry;
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
TRACE( "found implicitly loaded %s, attaching to it\n",
debugstr_w(mod->BaseDllName.Buffer));
process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
break; /* restart the search from the start */
}
if (entry == mark) break; /* nothing found */
}
}
/*************************************************************************
* process_detach
*
* Send DLL process detach notifications. See the comment about calling
* sequence at process_attach.
*/
static void process_detach(void)
{
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
do
{
for (entry = mark->Blink; entry != mark; entry = entry->Blink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE,
InInitializationOrderModuleList);
/* Check whether to detach this DLL */
if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
continue;
if ( mod->LoadCount && !process_detaching )
continue;
/* Call detach notification */
mod->Flags &= ~LDR_PROCESS_ATTACHED;
MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
DLL_PROCESS_DETACH, ULongToPtr(process_detaching) );
call_ldr_notifications( LDR_DLL_NOTIFICATION_REASON_UNLOADED, mod );
/* Restart at head of WINE_MODREF list, as entries might have
been added and/or removed while performing the call ... */
break;
}
} while (entry != mark);
}
/*************************************************************************
* thread_attach
*
* Send DLL thread attach notifications. These are sent in the
* reverse sequence of process detach notification.
* The loader_section must be locked while calling this function.
*/
static void thread_attach(void)
{
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE,
InInitializationOrderModuleList);
if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
continue;
if ( mod->Flags & LDR_NO_DLL_CALLS )
continue;
MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr), DLL_THREAD_ATTACH, NULL );
}
}
/******************************************************************
* LdrDisableThreadCalloutsForDll (NTDLL.@)
*
*/
NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
{
WINE_MODREF *wm;
NTSTATUS ret = STATUS_SUCCESS;
RtlEnterCriticalSection( &loader_section );
wm = get_modref( hModule );
if (!wm || wm->ldr.TlsIndex != -1)
ret = STATUS_DLL_NOT_FOUND;
else
wm->ldr.Flags |= LDR_NO_DLL_CALLS;
RtlLeaveCriticalSection( &loader_section );
return ret;
}
/******************************************************************
* LdrFindEntryForAddress (NTDLL.@)
*
* The loader_section must be locked while calling this function
*/
NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
{
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
if (mod->BaseAddress <= addr &&
(const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
{
*pmod = mod;
return STATUS_SUCCESS;
}
}
return STATUS_NO_MORE_ENTRIES;
}
/******************************************************************
* LdrEnumerateLoadedModules (NTDLL.@)
*/
NTSTATUS WINAPI LdrEnumerateLoadedModules( void *unknown, LDRENUMPROC callback, void *context )
{
LIST_ENTRY *mark, *entry;
LDR_MODULE *mod;
BOOLEAN stop = FALSE;
TRACE( "(%p, %p, %p)\n", unknown, callback, context );
if (unknown || !callback)
return STATUS_INVALID_PARAMETER;
RtlEnterCriticalSection( &loader_section );
mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
mod = CONTAINING_RECORD( entry, LDR_MODULE, InMemoryOrderModuleList );
callback( mod, context, &stop );
if (stop) break;
}
RtlLeaveCriticalSection( &loader_section );
return STATUS_SUCCESS;
}
/******************************************************************
* LdrRegisterDllNotification (NTDLL.@)
*/
NTSTATUS WINAPI LdrRegisterDllNotification(ULONG flags, PLDR_DLL_NOTIFICATION_FUNCTION callback,
void *context, void **cookie)
{
struct ldr_notification *notify;
TRACE( "(%x, %p, %p, %p)\n", flags, callback, context, cookie );
if (!callback || !cookie)
return STATUS_INVALID_PARAMETER;
if (flags)
FIXME( "ignoring flags %x\n", flags );
notify = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*notify) );
if (!notify) return STATUS_NO_MEMORY;
notify->callback = callback;
notify->context = context;
RtlEnterCriticalSection( &loader_section );
list_add_tail( &ldr_notifications, &notify->entry );
RtlLeaveCriticalSection( &loader_section );
*cookie = notify;
return STATUS_SUCCESS;
}
/******************************************************************
* LdrUnregisterDllNotification (NTDLL.@)
*/
NTSTATUS WINAPI LdrUnregisterDllNotification( void *cookie )
{
struct ldr_notification *notify = cookie;
TRACE( "(%p)\n", cookie );
if (!notify) return STATUS_INVALID_PARAMETER;
RtlEnterCriticalSection( &loader_section );
list_remove( &notify->entry );
RtlLeaveCriticalSection( &loader_section );
RtlFreeHeap( GetProcessHeap(), 0, notify );
return STATUS_SUCCESS;
}
/******************************************************************
* LdrLockLoaderLock (NTDLL.@)
*
* Note: some flags are not implemented.
* Flag 0x01 is used to raise exceptions on errors.
*/
NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG_PTR *magic )
{
if (flags & ~0x2) FIXME( "flags %x not supported\n", flags );
if (result) *result = 0;
if (magic) *magic = 0;
if (flags & ~0x3) return STATUS_INVALID_PARAMETER_1;
if (!result && (flags & 0x2)) return STATUS_INVALID_PARAMETER_2;
if (!magic) return STATUS_INVALID_PARAMETER_3;
if (flags & 0x2)
{
if (!RtlTryEnterCriticalSection( &loader_section ))
{
*result = 2;
return STATUS_SUCCESS;
}
*result = 1;
}
else
{
RtlEnterCriticalSection( &loader_section );
if (result) *result = 1;
}
*magic = GetCurrentThreadId();
return STATUS_SUCCESS;
}
/******************************************************************
* LdrUnlockLoaderUnlock (NTDLL.@)
*/
NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG_PTR magic )
{
if (magic)
{
if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
RtlLeaveCriticalSection( &loader_section );
}
return STATUS_SUCCESS;
}
/******************************************************************
* LdrGetProcedureAddress (NTDLL.@)
*/
NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
ULONG ord, PVOID *address)
{
IMAGE_EXPORT_DIRECTORY *exports;
DWORD exp_size;
NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
RtlEnterCriticalSection( &loader_section );
/* check if the module itself is invalid to return the proper error */
if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
{
LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
: find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
if (proc)
{
*address = proc;
ret = STATUS_SUCCESS;
}
}
RtlLeaveCriticalSection( &loader_section );
return ret;
}
/***********************************************************************
* get_builtin_fullname
*
* Build the full pathname for a builtin dll.
*/
static BOOL get_builtin_fullname( UNICODE_STRING *nt_name, const UNICODE_STRING *path,
const char *filename )
{
static const WCHAR nt_prefixW[] = {'\\','?','?','\\',0};
static const WCHAR soW[] = {'.','s','o',0};
WCHAR *p, *fullname;
size_t i, len = strlen(filename);
/* check if path can correspond to the dll we have */
if (path && (p = strrchrW( path->Buffer, '\\' )))
{
p++;
for (i = 0; i < len; i++)
if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
{
/* the filename matches, use path as the full path */
len += p - path->Buffer;
if (!(fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
return FALSE;
memcpy( fullname, path->Buffer, len * sizeof(WCHAR) );
fullname[len] = 0;
goto done;
}
}
if (!(fullname = RtlAllocateHeap( GetProcessHeap(), 0,
(strlenW(system_dir) + len + 5) * sizeof(WCHAR) )))
return FALSE;
strcpyW( fullname, nt_prefixW );
strcatW( fullname, system_dir );
ascii_to_unicode( fullname + strlenW(fullname), filename, len + 1 );
done:
RtlInitUnicodeString( nt_name, fullname );
return TRUE;
}
/*************************************************************************
* is_16bit_builtin
*/
static BOOL is_16bit_builtin( HMODULE module )
{
const IMAGE_EXPORT_DIRECTORY *exports;
DWORD exp_size;
if (!(exports = RtlImageDirectoryEntryToData( module, TRUE,
IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
return FALSE;
return find_named_export( module, exports, exp_size, "__wine_spec_dos_header", -1, NULL ) != NULL;
}
/***********************************************************************
* load_builtin_callback
*
* Load a library in memory; callback function for wine_dll_register
*/
static void load_builtin_callback( void *module, const char *filename )
{
static const WCHAR emptyW[1];
IMAGE_NT_HEADERS *nt;
WINE_MODREF *wm;
UNICODE_STRING nt_name;
const WCHAR *load_path;
if (!module)
{
ERR("could not map image for %s\n", filename ? filename : "main exe" );
return;
}
if (!(nt = RtlImageNtHeader( module )))
{
ERR( "bad module for %s\n", filename ? filename : "main exe" );
builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
return;
}
virtual_create_builtin_view( module );
/* create the MODREF */
if (!get_builtin_fullname( &nt_name, builtin_load_info->filename, filename ))
{
ERR( "can't load %s\n", filename );
builtin_load_info->status = STATUS_NO_MEMORY;
return;
}
wm = alloc_module( module, &nt_name, TRUE );
RtlFreeUnicodeString( &nt_name );
if (!wm)
{
ERR( "can't load %s\n", filename );
builtin_load_info->status = STATUS_NO_MEMORY;
return;
}
if ((nt->FileHeader.Characteristics & IMAGE_FILE_DLL) ||
nt->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_NATIVE ||
is_16bit_builtin( module ))
{
/* fixup imports */
load_path = builtin_load_info->load_path;
if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
if (!load_path) load_path = emptyW;
if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
{
/* the module has only be inserted in the load & memory order lists */
RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
/* FIXME: free the modref */
builtin_load_info->status = STATUS_DLL_NOT_FOUND;
return;
}
}
builtin_load_info->wm = wm;
TRACE( "loaded %s %p %p\n", filename, wm, module );
/* send the DLL load event */
SERVER_START_REQ( load_dll )
{
req->base = wine_server_client_ptr( module );
req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
req->dbg_size = nt->FileHeader.NumberOfSymbols;
req->name = wine_server_client_ptr( &wm->ldr.FullDllName.Buffer );
wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
wine_server_call( req );
}
SERVER_END_REQ;
/* setup relay debugging entry points */
if (TRACE_ON(relay)) RELAY_SetupDLL( module );
}
/***********************************************************************
* set_security_cookie
*
* Create a random security cookie for buffer overflow protection. Make
* sure it does not accidentally match the default cookie value.
*/
static void set_security_cookie( void *module, SIZE_T len )
{
static ULONG seed;
IMAGE_LOAD_CONFIG_DIRECTORY *loadcfg;
ULONG loadcfg_size;
ULONG_PTR *cookie;
loadcfg = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG, &loadcfg_size );
if (!loadcfg) return;
if (loadcfg_size < offsetof(IMAGE_LOAD_CONFIG_DIRECTORY, SecurityCookie) + sizeof(loadcfg->SecurityCookie)) return;
if (!loadcfg->SecurityCookie) return;
if (loadcfg->SecurityCookie < (ULONG_PTR)module ||
loadcfg->SecurityCookie > (ULONG_PTR)module + len - sizeof(ULONG_PTR))
{
WARN( "security cookie %p outside of image %p-%p\n",
(void *)loadcfg->SecurityCookie, module, (char *)module + len );
return;
}
cookie = (ULONG_PTR *)loadcfg->SecurityCookie;
TRACE( "initializing security cookie %p\n", cookie );
if (!seed) seed = NtGetTickCount() ^ GetCurrentProcessId();
for (;;)
{
if (*cookie == DEFAULT_SECURITY_COOKIE_16)
*cookie = RtlRandom( &seed ) >> 16; /* leave the high word clear */
else if (*cookie == DEFAULT_SECURITY_COOKIE_32)
*cookie = RtlRandom( &seed );
#ifdef DEFAULT_SECURITY_COOKIE_64
else if (*cookie == DEFAULT_SECURITY_COOKIE_64)
{
*cookie = RtlRandom( &seed );
/* fill up, but keep the highest word clear */
*cookie ^= (ULONG_PTR)RtlRandom( &seed ) << 16;
}
#endif
else
break;
}
}
static NTSTATUS perform_relocations( void *module, IMAGE_NT_HEADERS *nt, SIZE_T len )
{
char *base;
IMAGE_BASE_RELOCATION *rel, *end;
const IMAGE_DATA_DIRECTORY *relocs;
const IMAGE_SECTION_HEADER *sec;
INT_PTR delta;
ULONG protect_old[96], i;
base = (char *)nt->OptionalHeader.ImageBase;
if (module == base) return STATUS_SUCCESS; /* nothing to do */
/* no relocations are performed on non page-aligned binaries */
if (nt->OptionalHeader.SectionAlignment < page_size)
return STATUS_SUCCESS;
if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) && NtCurrentTeb()->Peb->ImageBaseAddress)
return STATUS_SUCCESS;
relocs = &nt->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC];
if (nt->FileHeader.Characteristics & IMAGE_FILE_RELOCS_STRIPPED)
{
WARN( "Need to relocate module from %p to %p, but there are no relocation records\n",
base, module );
return STATUS_CONFLICTING_ADDRESSES;
}
if (!relocs->Size) return STATUS_SUCCESS;
if (!relocs->VirtualAddress) return STATUS_CONFLICTING_ADDRESSES;
if (nt->FileHeader.NumberOfSections > ARRAY_SIZE( protect_old ))
return STATUS_INVALID_IMAGE_FORMAT;
sec = (const IMAGE_SECTION_HEADER *)((const char *)&nt->OptionalHeader +
nt->FileHeader.SizeOfOptionalHeader);
for (i = 0; i < nt->FileHeader.NumberOfSections; i++)
{
void *addr = get_rva( module, sec[i].VirtualAddress );
SIZE_T size = sec[i].SizeOfRawData;
NtProtectVirtualMemory( NtCurrentProcess(), &addr,
&size, PAGE_READWRITE, &protect_old[i] );
}
TRACE( "relocating from %p-%p to %p-%p\n",
base, base + len, module, (char *)module + len );
rel = get_rva( module, relocs->VirtualAddress );
end = get_rva( module, relocs->VirtualAddress + relocs->Size );
delta = (char *)module - base;
while (rel < end - 1 && rel->SizeOfBlock)
{
if (rel->VirtualAddress >= len)
{
WARN( "invalid address %p in relocation %p\n", get_rva( module, rel->VirtualAddress ), rel );
return STATUS_ACCESS_VIOLATION;
}
rel = LdrProcessRelocationBlock( get_rva( module, rel->VirtualAddress ),
(rel->SizeOfBlock - sizeof(*rel)) / sizeof(USHORT),
(USHORT *)(rel + 1), delta );
if (!rel) return STATUS_INVALID_IMAGE_FORMAT;
}
for (i = 0; i < nt->FileHeader.NumberOfSections; i++)
{
void *addr = get_rva( module, sec[i].VirtualAddress );
SIZE_T size = sec[i].SizeOfRawData;
NtProtectVirtualMemory( NtCurrentProcess(), &addr,
&size, protect_old[i], &protect_old[i] );
}
return STATUS_SUCCESS;
}
#ifdef _WIN64
/* convert PE header to 64-bit when loading a 32-bit IL-only module into a 64-bit process */
static BOOL convert_to_pe64( HMODULE module, const pe_image_info_t *info )
{
static const ULONG copy_dirs[] = { IMAGE_DIRECTORY_ENTRY_RESOURCE,
IMAGE_DIRECTORY_ENTRY_SECURITY,
IMAGE_DIRECTORY_ENTRY_BASERELOC,
IMAGE_DIRECTORY_ENTRY_DEBUG,
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR };
IMAGE_OPTIONAL_HEADER32 hdr32 = { IMAGE_NT_OPTIONAL_HDR32_MAGIC };
IMAGE_OPTIONAL_HEADER64 hdr64 = { IMAGE_NT_OPTIONAL_HDR64_MAGIC };
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( module );
SIZE_T hdr_size = min( sizeof(hdr32), nt->FileHeader.SizeOfOptionalHeader );
IMAGE_SECTION_HEADER *sec = (IMAGE_SECTION_HEADER *)((char *)&nt->OptionalHeader + hdr_size);
SIZE_T size = info->header_size;
void *addr = module;
ULONG i, old_prot;
TRACE( "%p\n", module );
if (NtProtectVirtualMemory( NtCurrentProcess(), &addr, &size, PAGE_READWRITE, &old_prot ))
return FALSE;
if ((char *)module + size < (char *)(nt + 1) + nt->FileHeader.NumberOfSections * sizeof(*sec))
{
NtProtectVirtualMemory( NtCurrentProcess(), &addr, &size, old_prot, &old_prot );
return FALSE;
}
memcpy( &hdr32, &nt->OptionalHeader, hdr_size );
memcpy( &hdr64, &hdr32, offsetof( IMAGE_OPTIONAL_HEADER64, SizeOfStackReserve ));
hdr64.Magic = IMAGE_NT_OPTIONAL_HDR64_MAGIC;
hdr64.AddressOfEntryPoint = 0;
hdr64.ImageBase = hdr32.ImageBase;
hdr64.SizeOfStackReserve = hdr32.SizeOfStackReserve;
hdr64.SizeOfStackCommit = hdr32.SizeOfStackCommit;
hdr64.SizeOfHeapReserve = hdr32.SizeOfHeapReserve;
hdr64.SizeOfHeapCommit = hdr32.SizeOfHeapCommit;
hdr64.LoaderFlags = hdr32.LoaderFlags;
hdr64.NumberOfRvaAndSizes = hdr32.NumberOfRvaAndSizes;
for (i = 0; i < ARRAY_SIZE( copy_dirs ); i++)
hdr64.DataDirectory[copy_dirs[i]] = hdr32.DataDirectory[copy_dirs[i]];
memmove( nt + 1, sec, nt->FileHeader.NumberOfSections * sizeof(*sec) );
nt->FileHeader.SizeOfOptionalHeader = sizeof(hdr64);
nt->OptionalHeader = hdr64;
NtProtectVirtualMemory( NtCurrentProcess(), &addr, &size, old_prot, &old_prot );
return TRUE;
}
#endif
/* On WoW64 setups, an image mapping can also be created for the other 32/64 CPU */
/* but it cannot necessarily be loaded as a dll, so we need some additional checks */
static BOOL is_valid_binary( HMODULE module, const pe_image_info_t *info )
{
#ifdef __i386__
return info->machine == IMAGE_FILE_MACHINE_I386;
#elif defined(__arm__)
return info->machine == IMAGE_FILE_MACHINE_ARM ||
info->machine == IMAGE_FILE_MACHINE_THUMB ||
info->machine == IMAGE_FILE_MACHINE_ARMNT;
#elif defined(_WIN64) /* support 32-bit IL-only images on 64-bit */
#ifdef __x86_64__
if (info->machine == IMAGE_FILE_MACHINE_AMD64) return TRUE;
#else
if (info->machine == IMAGE_FILE_MACHINE_ARM64) return TRUE;
#endif
if (!info->contains_code) return TRUE;
if (!(info->image_flags & IMAGE_FLAGS_ComPlusNativeReady))
{
/* check COM header directly, ignoring runtime version */
DWORD size;
const IMAGE_COR20_HEADER *cor_header = RtlImageDirectoryEntryToData( module, TRUE,
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR, &size );
if (!cor_header || !(cor_header->Flags & COMIMAGE_FLAGS_ILONLY)) return FALSE;
}
return convert_to_pe64( module, info );
#else
return FALSE; /* no wow64 support on other platforms */
#endif
}
/******************************************************************
* get_module_path_end
*
* Returns the end of the directory component of the module path.
*/
static inline const WCHAR *get_module_path_end( const WCHAR *module )
{
const WCHAR *p;
const WCHAR *mod_end = module;
if ((p = strrchrW( mod_end, '\\' ))) mod_end = p;
if ((p = strrchrW( mod_end, '/' ))) mod_end = p;
if (mod_end == module + 2 && module[1] == ':') mod_end++;
if (mod_end == module && module[0] && module[1] == ':') mod_end += 2;
return mod_end;
}
/******************************************************************
* append_path
*
* Append a counted string to the load path. Helper for get_dll_load_path.
*/
static inline WCHAR *append_path( WCHAR *p, const WCHAR *str, int len )
{
if (len == -1) len = strlenW(str);
if (!len) return p;
memcpy( p, str, len * sizeof(WCHAR) );
p[len] = ';';
return p + len + 1;
}
/******************************************************************
* get_dll_load_path
*/
static NTSTATUS get_dll_load_path( LPCWSTR module, LPCWSTR dll_dir, ULONG safe_mode, WCHAR **path )
{
static const WCHAR pathW[] = {'P','A','T','H',0};
const WCHAR *mod_end = module;
UNICODE_STRING name, value;
WCHAR *p, *ret;
int len = ARRAY_SIZE(system_path) + 1, path_len = 0;
if (module)
{
mod_end = get_module_path_end( module );
len += (mod_end - module) + 1;
}
RtlInitUnicodeString( &name, pathW );
value.Length = 0;
value.MaximumLength = 0;
value.Buffer = NULL;
if (RtlQueryEnvironmentVariable_U( NULL, &name, &value ) == STATUS_BUFFER_TOO_SMALL)
path_len = value.Length;
if (dll_dir) len += strlenW( dll_dir ) + 1;
else len += 2; /* current directory */
if (!(p = ret = RtlAllocateHeap( GetProcessHeap(), 0, path_len + len * sizeof(WCHAR) )))
return STATUS_NO_MEMORY;
p = append_path( p, module, mod_end - module );
if (dll_dir) p = append_path( p, dll_dir, -1 );
else if (!safe_mode) p = append_path( p, dotW, -1 );
p = append_path( p, system_path, -1 );
if (!dll_dir && safe_mode) p = append_path( p, dotW, -1 );
value.Buffer = p;
value.MaximumLength = path_len;
while (RtlQueryEnvironmentVariable_U( NULL, &name, &value ) == STATUS_BUFFER_TOO_SMALL)
{
WCHAR *new_ptr;
/* grow the buffer and retry */
path_len = value.Length;
if (!(new_ptr = RtlReAllocateHeap( GetProcessHeap(), 0, ret, path_len + len * sizeof(WCHAR) )))
{
RtlFreeHeap( GetProcessHeap(), 0, ret );
return STATUS_NO_MEMORY;
}
value.Buffer = new_ptr + (value.Buffer - ret);
value.MaximumLength = path_len;
ret = new_ptr;
}
value.Buffer[value.Length / sizeof(WCHAR)] = 0;
*path = ret;
return STATUS_SUCCESS;
}
/******************************************************************
* get_dll_load_path_search_flags
*/
static NTSTATUS get_dll_load_path_search_flags( LPCWSTR module, DWORD flags, WCHAR **path )
{
const WCHAR *image = NULL, *mod_end, *image_end;
struct dll_dir_entry *dir;
WCHAR *p, *ret;
int len = 1;
if (flags & LOAD_LIBRARY_SEARCH_DEFAULT_DIRS)
flags |= (LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32);
if (flags & LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR)
{
DWORD type = RtlDetermineDosPathNameType_U( module );
if (type != ABSOLUTE_DRIVE_PATH && type != ABSOLUTE_PATH)
return STATUS_INVALID_PARAMETER;
mod_end = get_module_path_end( module );
len += (mod_end - module) + 1;
}
else module = NULL;
if (flags & LOAD_LIBRARY_SEARCH_APPLICATION_DIR)
{
image = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
image_end = get_module_path_end( image );
len += (image_end - image) + 1;
}
if (flags & LOAD_LIBRARY_SEARCH_USER_DIRS)
{
LIST_FOR_EACH_ENTRY( dir, &dll_dir_list, struct dll_dir_entry, entry )
len += strlenW( dir->dir + 4 /* \??\ */ ) + 1;
if (dll_directory.Length) len += dll_directory.Length / sizeof(WCHAR) + 1;
}
if (flags & LOAD_LIBRARY_SEARCH_SYSTEM32) len += strlenW( system_dir );
if ((p = ret = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
{
if (module) p = append_path( p, module, mod_end - module );
if (image) p = append_path( p, image, image_end - image );
if (flags & LOAD_LIBRARY_SEARCH_USER_DIRS)
{
LIST_FOR_EACH_ENTRY( dir, &dll_dir_list, struct dll_dir_entry, entry )
p = append_path( p, dir->dir + 4 /* \??\ */, -1 );
p = append_path( p, dll_directory.Buffer, dll_directory.Length / sizeof(WCHAR) );
}
if (flags & LOAD_LIBRARY_SEARCH_SYSTEM32) strcpyW( p, system_dir );
else
{
if (p > ret) p--;
*p = 0;
}
}
*path = ret;
return STATUS_SUCCESS;
}
/***********************************************************************
* open_dll_file
*
* Open a file for a new dll. Helper for find_dll_file.
*/
static NTSTATUS open_dll_file( UNICODE_STRING *nt_name, WINE_MODREF **pwm,
void **module, pe_image_info_t *image_info, struct stat *st )
{
FILE_BASIC_INFORMATION info;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
LARGE_INTEGER size;
SIZE_T len = 0;
NTSTATUS status;
HANDLE handle, mapping;
int fd, needs_close;
if ((*pwm = find_fullname_module( nt_name )))
{
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
return STATUS_SUCCESS;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if ((status = NtOpenFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr, &io,
FILE_SHARE_READ | FILE_SHARE_DELETE,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE )))
{
if (status != STATUS_OBJECT_PATH_NOT_FOUND &&
status != STATUS_OBJECT_NAME_NOT_FOUND &&
!NtQueryAttributesFile( &attr, &info ))
{
/* if the file exists but failed to open, report the error */
return status;
}
/* otherwise continue searching */
return STATUS_DLL_NOT_FOUND;
}
if (!server_get_unix_fd( handle, 0, &fd, &needs_close, NULL, NULL ))
{
fstat( fd, st );
if (needs_close) close( fd );
if ((*pwm = find_fileid_module( st )))
{
TRACE( "%s is the same file as existing module %p %s\n", debugstr_w( nt_name->Buffer ),
(*pwm)->ldr.BaseAddress, debugstr_w( (*pwm)->ldr.FullDllName.Buffer ));
NtClose( handle );
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
return STATUS_SUCCESS;
}
}
size.QuadPart = 0;
status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY |
SECTION_MAP_READ | SECTION_MAP_EXECUTE,
NULL, &size, PAGE_EXECUTE_READ, SEC_IMAGE, handle );
NtClose( handle );
if (!status)
{
if (*module)
{
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
}
status = virtual_map_section( mapping, module, 0, 0, NULL, &len,
0, PAGE_EXECUTE_READ, image_info );
if (status == STATUS_IMAGE_NOT_AT_BASE) status = STATUS_SUCCESS;
NtClose( mapping );
}
if (!status && !is_valid_binary( *module, image_info ))
{
TRACE( "%s is for arch %x, continuing search\n", debugstr_us(nt_name), image_info->machine );
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
status = STATUS_IMAGE_MACHINE_TYPE_MISMATCH;
}
return status;
}
/******************************************************************************
* load_native_dll (internal)
*/
static NTSTATUS load_native_dll( LPCWSTR load_path, const UNICODE_STRING *nt_name, void **module,
const pe_image_info_t *image_info, DWORD flags, WINE_MODREF** pwm,
struct stat *st )
{
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( *module );
WINE_MODREF *wm;
NTSTATUS status;
const char *dll_type = (image_info->image_flags & IMAGE_FLAGS_WineBuiltin) ? "PE builtin" : "native";
TRACE("Trying %s dll %s\n", dll_type, debugstr_us(nt_name) );
/* perform base relocation, if necessary */
if ((status = perform_relocations( *module, nt, image_info->map_size ))) return status;
/* create the MODREF */
if (!(wm = alloc_module( *module, nt_name, (image_info->image_flags & IMAGE_FLAGS_WineBuiltin) )))
return STATUS_NO_MEMORY;
wm->dev = st->st_dev;
wm->ino = st->st_ino;
if (image_info->loader_flags) wm->ldr.Flags |= LDR_COR_IMAGE;
if (image_info->image_flags & IMAGE_FLAGS_ComPlusILOnly) wm->ldr.Flags |= LDR_COR_ILONLY;
set_security_cookie( *module, image_info->map_size );
/* fixup imports */
if (!(flags & DONT_RESOLVE_DLL_REFERENCES) &&
((nt->FileHeader.Characteristics & IMAGE_FILE_DLL) ||
nt->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_NATIVE))
{
if (wm->ldr.Flags & LDR_COR_ILONLY)
status = fixup_imports_ilonly( wm, load_path, &wm->ldr.EntryPoint );
else
status = fixup_imports( wm, load_path );
if (status != STATUS_SUCCESS)
{
/* the module has only be inserted in the load & memory order lists */
RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
/* FIXME: there are several more dangling references
* left. Including dlls loaded by this dll before the
* failed one. Unrolling is rather difficult with the
* current structure and we can leave them lying
* around with no problems, so we don't care.
* As these might reference our wm, we don't free it.
*/
*module = NULL;
return status;
}
}
/* send DLL load event */
SERVER_START_REQ( load_dll )
{
req->base = wine_server_client_ptr( *module );
req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
req->dbg_size = nt->FileHeader.NumberOfSymbols;
req->name = wine_server_client_ptr( &wm->ldr.FullDllName.Buffer );
wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
wine_server_call( req );
}
SERVER_END_REQ;
if (image_info->image_flags & IMAGE_FLAGS_WineBuiltin)
{
if (TRACE_ON(relay)) RELAY_SetupDLL( *module );
}
else
{
if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( *module );
}
TRACE_(loaddll)( "Loaded %s at %p: %s\n", debugstr_w(wm->ldr.FullDllName.Buffer), *module, dll_type );
wm->ldr.LoadCount = 1;
*pwm = wm;
*module = NULL;
return STATUS_SUCCESS;
}
/* check if the library is the correct architecture */
/* only returns false for a valid library of the wrong arch */
static int check_library_arch( int fd )
{
#ifdef __APPLE__
struct /* Mach-O header */
{
unsigned int magic;
unsigned int cputype;
} header;
if (read( fd, &header, sizeof(header) ) != sizeof(header)) return 1;
if (header.magic != 0xfeedface) return 1;
if (sizeof(void *) == sizeof(int)) return !(header.cputype >> 24);
else return (header.cputype >> 24) == 1; /* CPU_ARCH_ABI64 */
#else
struct /* ELF header */
{
unsigned char magic[4];
unsigned char class;
unsigned char data;
unsigned char version;
} header;
if (read( fd, &header, sizeof(header) ) != sizeof(header)) return 1;
if (memcmp( header.magic, "\177ELF", 4 )) return 1;
if (header.version != 1 /* EV_CURRENT */) return 1;
#ifdef WORDS_BIGENDIAN
if (header.data != 2 /* ELFDATA2MSB */) return 1;
#else
if (header.data != 1 /* ELFDATA2LSB */) return 1;
#endif
if (sizeof(void *) == sizeof(int)) return header.class == 1; /* ELFCLASS32 */
else return header.class == 2; /* ELFCLASS64 */
#endif
}
static inline char *prepend( char *buffer, const char *str, size_t len )
{
return memcpy( buffer - len, str, len );
}
/***********************************************************************
* open_builtin_file
*/
static NTSTATUS open_builtin_file( char *name, WINE_MODREF **pwm, void **module,
pe_image_info_t *image_info, struct stat *st, char **so_name )
{
ANSI_STRING strA;
UNICODE_STRING nt_name;
NTSTATUS status;
int fd;
nt_name.Buffer = NULL;
RtlInitString( &strA, name );
if ((status = wine_unix_to_nt_file_name( &strA, &nt_name ))) return status;
status = open_dll_file( &nt_name, pwm, module, image_info, st );
RtlFreeUnicodeString( &nt_name );
/* ignore non-builtins */
if (!status && !*pwm && !(image_info->image_flags & IMAGE_FLAGS_WineBuiltin))
{
WARN( "%s found in WINEDLLPATH but not a builtin, ignoring\n", debugstr_a(name) );
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
status = STATUS_DLL_NOT_FOUND;
}
if (status != STATUS_DLL_NOT_FOUND) return status;
/* try .so file */
strcat( name, ".so" );
if ((fd = open( name, O_RDONLY )) != -1)
{
if (check_library_arch( fd ))
{
if ((*so_name = RtlAllocateHeap( GetProcessHeap(), 0, strlen(name) + 1 )))
strcpy( *so_name, name );
NtUnmapViewOfSection( NtCurrentProcess(), *module );
*module = NULL;
status = STATUS_SUCCESS;
}
else status = STATUS_IMAGE_MACHINE_TYPE_MISMATCH;
close( fd );
}
return status;
}
/***********************************************************************
* find_builtin_dll
*/
static NTSTATUS find_builtin_dll( const WCHAR *name, WINE_MODREF **pwm,
void **module, pe_image_info_t *image_info, struct stat *st,
char **so_name )
{
const char *path, *build_dir = wine_get_build_dir();
unsigned int i, pos, len, namelen, maxlen = 0;
char *ptr, *file;
NTSTATUS status = STATUS_DLL_NOT_FOUND;
BOOL found_image = FALSE;
len = strlenW( name );
if (build_dir) maxlen = strlen(build_dir) + sizeof("/programs/") + len;
for (i = 0; (path = wine_dll_enum_load_path( i )); i++) maxlen = max( maxlen, strlen(path)+1 );
maxlen += len + sizeof(".so");
if (!(file = RtlAllocateHeap( GetProcessHeap(), 0, maxlen ))) return STATUS_NO_MEMORY;
pos = maxlen - len - sizeof(".so");
/* we don't want to depend on the current codepage here */
for (i = 0; i < len; i++)
{
if (name[i] > 127) goto done;
file[pos + i] = (char)name[i];
if (file[pos + i] >= 'A' && file[pos + i] <= 'Z') file[pos + i] += 'a' - 'A';
}
file[--pos] = '/';
if (build_dir)
{
/* try as a dll */
ptr = file + pos;
namelen = len + 1;
file[pos + len + 1] = 0;
if (namelen > 4 && !memcmp( ptr + namelen - 4, ".dll", 4 )) namelen -= 4;
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, "/dlls", sizeof("/dlls") - 1 );
ptr = prepend( ptr, build_dir, strlen(build_dir) );
status = open_builtin_file( ptr, pwm, module, image_info, st, so_name );
if (status != STATUS_DLL_NOT_FOUND) goto done;
/* now as a program */
ptr = file + pos;
namelen = len + 1;
file[pos + len + 1] = 0;
if (namelen > 4 && !memcmp( ptr + namelen - 4, ".exe", 4 )) namelen -= 4;
ptr = prepend( ptr, ptr, namelen );
ptr = prepend( ptr, "/programs", sizeof("/programs") - 1 );
ptr = prepend( ptr, build_dir, strlen(build_dir) );
status = open_builtin_file( ptr, pwm, module, image_info, st, so_name );
if (status != STATUS_DLL_NOT_FOUND) goto done;
}
for (i = 0; (path = wine_dll_enum_load_path( i )); i++)
{
file[pos + len + 1] = 0;
ptr = prepend( file + pos, path, strlen(path) );
status = open_builtin_file( ptr, pwm, module, image_info, st, so_name );
if (status == STATUS_IMAGE_MACHINE_TYPE_MISMATCH) found_image = TRUE;
else if (status != STATUS_DLL_NOT_FOUND) goto done;
}
if (found_image) status = STATUS_IMAGE_MACHINE_TYPE_MISMATCH;
WARN( "cannot find builtin library for %s\n", debugstr_w(name) );
done:
RtlFreeHeap( GetProcessHeap(), 0, file );
return status;
}
/***********************************************************************
* load_so_dll
*/
static NTSTATUS load_so_dll( LPCWSTR load_path, const UNICODE_STRING *nt_name,
const char *so_name, WINE_MODREF** pwm )
{
char error[256];
void *handle;
struct builtin_load_info info, *prev_info;
ANSI_STRING unix_name;
if (so_name)
{
TRACE( "loading %s from so lib %s\n", debugstr_us(nt_name), debugstr_a(so_name) );
unix_name.Buffer = NULL;
}
else
{
TRACE( "loading %s as so lib\n", debugstr_us(nt_name) );
if (wine_nt_to_unix_file_name( nt_name, &unix_name, FILE_OPEN, FALSE ))
return STATUS_DLL_NOT_FOUND;
}
info.load_path = load_path;
info.filename = nt_name;
info.status = STATUS_SUCCESS;
info.wm = NULL;
prev_info = builtin_load_info;
builtin_load_info = &info;
handle = wine_dlopen( so_name ? so_name : unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
builtin_load_info = prev_info;
RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
if (!handle)
{
if (so_name)
{
ERR("failed to load .so lib %s: %s\n", debugstr_a(so_name), error );
return STATUS_PROCEDURE_NOT_FOUND;
}
WARN( "failed to load .so lib %s: %s\n", debugstr_us(nt_name), error );
return STATUS_INVALID_IMAGE_FORMAT;
}
if (info.status != STATUS_SUCCESS) goto failed;
if (!info.wm)
{
/* The constructor wasn't called, this means the .so is already
* loaded under a different name. Try to find the wm for it. */
if (!(info.wm = find_so_module( handle )))
{
info.status = STATUS_INVALID_IMAGE_FORMAT;
goto failed;
}
TRACE( "Found %s at %p for builtin %s\n",
debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress,
debugstr_us(nt_name) );
if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
wine_dlclose( handle, NULL, 0 ); /* release the libdl refcount */
}
else
{
TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
info.wm->ldr.LoadCount = 1;
info.wm->ldr.SectionHandle = handle;
}
*pwm = info.wm;
return STATUS_SUCCESS;
failed:
wine_dlclose( handle, NULL, 0 );
return info.status;
}
/***********************************************************************
* load_builtin_dll
*/
static NTSTATUS load_builtin_dll( LPCWSTR load_path, const UNICODE_STRING *nt_name, void **module_ptr,
DWORD flags, WINE_MODREF** pwm )
{
const WCHAR *name, *p;
NTSTATUS status;
void *module = NULL;
pe_image_info_t image_info;
struct stat st;
char *so_name;
/* Fix the name in case we have a full path and extension */
name = nt_name->Buffer;
if ((p = strrchrW( name, '\\' ))) name = p + 1;
if ((p = strrchrW( name, '/' ))) name = p + 1;
TRACE("Trying built-in %s\n", debugstr_w(name));
if (!module_ptr) module_ptr = &module;
status = find_builtin_dll( name, pwm, module_ptr, &image_info, &st, &so_name );
if (status) return status;
if (*pwm)
{
if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
TRACE( "Found %s for %s at %p, count=%d\n",
debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(name),
(*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
return STATUS_SUCCESS;
}
if (*module_ptr)
{
TRACE( "loading %s from PE builtin %s\n", debugstr_w(name), debugstr_us(nt_name) );
return load_native_dll( load_path, nt_name, module_ptr, &image_info, flags, pwm, &st );
}
status = load_so_dll( load_path, nt_name, so_name, pwm );
RtlFreeHeap( GetProcessHeap(), 0, so_name );
return status;
}
/***********************************************************************
* find_actctx_dll
*
* Find the full path (if any) of the dll from the activation context.
*/
static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
{
static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
ACTCTX_SECTION_KEYED_DATA data;
UNICODE_STRING nameW;
NTSTATUS status;
SIZE_T needed, size = 1024;
WCHAR *p;
RtlInitUnicodeString( &nameW, libname );
data.cbSize = sizeof(data);
status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
&nameW, &data );
if (status != STATUS_SUCCESS) return status;
for (;;)
{
if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
{
status = STATUS_NO_MEMORY;
goto done;
}
status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
AssemblyDetailedInformationInActivationContext,
info, size, &needed );
if (status == STATUS_SUCCESS) break;
if (status != STATUS_BUFFER_TOO_SMALL) goto done;
RtlFreeHeap( GetProcessHeap(), 0, info );
size = needed;
/* restart with larger buffer */
}
if (!info->lpAssemblyManifestPath)
{
status = STATUS_SXS_KEY_NOT_FOUND;
goto done;
}
if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
{
DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
p++;
if (!dirlen || strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
{
/* manifest name does not match directory name, so it's not a global
* windows/winsxs manifest; use the manifest directory name instead */
dirlen = p - info->lpAssemblyManifestPath;
needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
{
status = STATUS_NO_MEMORY;
goto done;
}
memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
p += dirlen;
strcpyW( p, libname );
goto done;
}
}
if (!info->lpAssemblyDirectoryName)
{
status = STATUS_SXS_KEY_NOT_FOUND;
goto done;
}
needed = (strlenW(user_shared_data->NtSystemRoot) * sizeof(WCHAR) +
sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength + nameW.Length + 2*sizeof(WCHAR));
if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
{
status = STATUS_NO_MEMORY;
goto done;
}
strcpyW( p, user_shared_data->NtSystemRoot );
p += strlenW(p);
memcpy( p, winsxsW, sizeof(winsxsW) );
p += ARRAY_SIZE( winsxsW );
memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
*p++ = '\\';
strcpyW( p, libname );
done:
RtlFreeHeap( GetProcessHeap(), 0, info );
RtlReleaseActivationContext( data.hActCtx );
return status;
}
/***********************************************************************
* search_dll_file
*
* Search for dll in the specified paths.
*/
static NTSTATUS search_dll_file( LPCWSTR paths, LPCWSTR search, UNICODE_STRING *nt_name,
WINE_MODREF **pwm, void **module, pe_image_info_t *image_info,
struct stat *st )
{
WCHAR *name;
BOOL found_image = FALSE;
NTSTATUS status = STATUS_DLL_NOT_FOUND;
ULONG len = strlenW( paths );
if (len < strlenW( system_dir )) len = strlenW( system_dir );
len += strlenW( search ) + 2;
if (!(name = RtlAllocateHeap( GetProcessHeap(), 0, len * sizeof(WCHAR) )))
return STATUS_NO_MEMORY;
while (*paths)
{
LPCWSTR ptr = paths;
while (*ptr && *ptr != ';') ptr++;
len = ptr - paths;
if (*ptr == ';') ptr++;
memcpy( name, paths, len * sizeof(WCHAR) );
if (len && name[len - 1] != '\\') name[len++] = '\\';
strcpyW( name + len, search );
nt_name->Buffer = NULL;
if ((status = RtlDosPathNameToNtPathName_U_WithStatus( name, nt_name, NULL, NULL ))) goto done;
status = open_dll_file( nt_name, pwm, module, image_info, st );
if (status == STATUS_IMAGE_MACHINE_TYPE_MISMATCH) found_image = TRUE;
else if (status != STATUS_DLL_NOT_FOUND) goto done;
RtlFreeUnicodeString( nt_name );
paths = ptr;
}
if (!found_image)
{
/* not found, return file in the system dir to be loaded as builtin */
strcpyW( name, system_dir );
strcatW( name, search );
if (!RtlDosPathNameToNtPathName_U( name, nt_name, NULL, NULL )) status = STATUS_NO_MEMORY;
}
else status = STATUS_IMAGE_MACHINE_TYPE_MISMATCH;
done:
RtlFreeHeap( GetProcessHeap(), 0, name );
return status;
}
/***********************************************************************
* find_dll_file
*
* Find the file (or already loaded module) for a given dll name.
*/
static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname, const WCHAR *default_ext,
UNICODE_STRING *nt_name, WINE_MODREF **pwm,
void **module, pe_image_info_t *image_info, struct stat *st )
{
WCHAR *ext, *dllname;
NTSTATUS status;
ULONG wow64_old_value = 0;
*pwm = NULL;
*module = NULL;
dllname = NULL;
if (default_ext) /* first append default extension */
{
if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
{
if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
(strlenW(libname)+strlenW(default_ext)+1) * sizeof(WCHAR))))
return STATUS_NO_MEMORY;
strcpyW( dllname, libname );
strcatW( dllname, default_ext );
libname = dllname;
}
}
/* Win 7/2008R2 and up seem to re-enable WoW64 FS redirection when loading libraries */
if (is_wow64) RtlWow64EnableFsRedirectionEx( 0, &wow64_old_value );
nt_name->Buffer = NULL;
if (!contains_path( libname ))
{
WCHAR *fullname = NULL;
status = find_actctx_dll( libname, &fullname );
if (status == STATUS_SUCCESS)
{
TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
RtlFreeHeap( GetProcessHeap(), 0, dllname );
libname = dllname = fullname;
}
else
{
if (status != STATUS_SXS_KEY_NOT_FOUND) goto done;
if ((*pwm = find_basename_module( libname )) != NULL)
{
status = STATUS_SUCCESS;
goto done;
}
}
}
if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
status = search_dll_file( load_path, libname, nt_name, pwm, module, image_info, st );
else if (!(status = RtlDosPathNameToNtPathName_U_WithStatus( libname, nt_name, NULL, NULL )))
status = open_dll_file( nt_name, pwm, module, image_info, st );
if (status == STATUS_IMAGE_MACHINE_TYPE_MISMATCH) status = STATUS_INVALID_IMAGE_FORMAT;
done:
RtlFreeHeap( GetProcessHeap(), 0, dllname );
if (wow64_old_value) RtlWow64EnableFsRedirectionEx( 1, &wow64_old_value );
return status;
}
/***********************************************************************
* load_dll (internal)
*
* Load a PE style module according to the load order.
* The loader_section must be locked while calling this function.
*/
static NTSTATUS load_dll( const WCHAR *load_path, const WCHAR *libname, const WCHAR *default_ext,
DWORD flags, WINE_MODREF** pwm )
{
enum loadorder loadorder;
WINE_MODREF *main_exe;
UNICODE_STRING nt_name;
struct stat st;
void *module;
pe_image_info_t image_info;
NTSTATUS nts;
TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
nts = find_dll_file( load_path, libname, default_ext, &nt_name, pwm, &module, &image_info, &st );
if (*pwm) /* found already loaded module */
{
if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
TRACE("Found %s for %s at %p, count=%d\n",
debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
(*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
RtlFreeUnicodeString( &nt_name );
return STATUS_SUCCESS;
}
if (nts && nts != STATUS_DLL_NOT_FOUND && nts != STATUS_INVALID_IMAGE_NOT_MZ) goto done;
main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, &nt_name );
switch (nts)
{
case STATUS_INVALID_IMAGE_NOT_MZ: /* not in PE format, maybe it's a .so file */
switch (loadorder)
{
case LO_NATIVE:
case LO_NATIVE_BUILTIN:
case LO_BUILTIN:
case LO_BUILTIN_NATIVE:
case LO_DEFAULT:
if (!load_so_dll( load_path, &nt_name, NULL, pwm )) nts = STATUS_SUCCESS;
break;
default:
nts = STATUS_DLL_NOT_FOUND;
break;
}
break;
case STATUS_SUCCESS: /* valid PE file */
if (image_info.image_flags & IMAGE_FLAGS_WineBuiltin)
{
switch (loadorder)
{
case LO_NATIVE_BUILTIN:
case LO_BUILTIN:
case LO_BUILTIN_NATIVE:
case LO_DEFAULT:
nts = load_builtin_dll( load_path, &nt_name, &module, flags, pwm );
if (nts == STATUS_DLL_NOT_FOUND)
nts = load_native_dll( load_path, &nt_name, &module, &image_info, flags, pwm, &st );
break;
default:
nts = STATUS_DLL_NOT_FOUND;
break;
}
if (module) NtUnmapViewOfSection( NtCurrentProcess(), module );
break;
}
if (!(image_info.image_flags & IMAGE_FLAGS_WineFakeDll))
{
switch (loadorder)
{
case LO_NATIVE:
case LO_NATIVE_BUILTIN:
nts = load_native_dll( load_path, &nt_name, &module, &image_info, flags, pwm, &st );
break;
case LO_BUILTIN:
nts = load_builtin_dll( load_path, &nt_name, &module, flags, pwm );
break;
case LO_BUILTIN_NATIVE:
case LO_DEFAULT:
nts = load_builtin_dll( load_path, &nt_name, &module, flags, pwm );
if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
(MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
{
/* stub-only dll, try native */
TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_us(&nt_name) );
LdrUnloadDll( (*pwm)->ldr.BaseAddress );
nts = STATUS_DLL_NOT_FOUND;
/* map the dll again if it was unmapped */
if (!module && open_dll_file( &nt_name, pwm, &module, &image_info, &st )) break;
}
if (nts == STATUS_DLL_NOT_FOUND)
nts = load_native_dll( load_path, &nt_name, &module, &image_info, flags, pwm, &st );
break;
default:
nts = STATUS_DLL_NOT_FOUND;
break;
}
if (module) NtUnmapViewOfSection( NtCurrentProcess(), module );
break;
}
TRACE( "%s is a fake Wine dll\n", debugstr_us(&nt_name) );
NtUnmapViewOfSection( NtCurrentProcess(), module );
/* fall through */
case STATUS_DLL_NOT_FOUND: /* no file found, try builtin */
switch (loadorder)
{
case LO_NATIVE_BUILTIN:
case LO_BUILTIN:
case LO_BUILTIN_NATIVE:
case LO_DEFAULT:
nts = load_builtin_dll( load_path, &nt_name, NULL, flags, pwm );
break;
default:
nts = STATUS_DLL_NOT_FOUND;
break;
}
break;
}
done:
if (nts == STATUS_SUCCESS)
TRACE("Loaded module %s at %p\n", debugstr_us(&nt_name), (*pwm)->ldr.BaseAddress);
else
WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
RtlFreeUnicodeString( &nt_name );
return nts;
}
/******************************************************************
* LdrLoadDll (NTDLL.@)
*/
NTSTATUS WINAPI DECLSPEC_HOTPATCH LdrLoadDll(LPCWSTR path_name, DWORD flags,
const UNICODE_STRING *libname, HMODULE* hModule)
{
WINE_MODREF *wm;
NTSTATUS nts;
RtlEnterCriticalSection( &loader_section );
if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
nts = load_dll( path_name, libname->Buffer, dllW, flags, &wm );
if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
{
nts = process_attach( wm, NULL );
if (nts != STATUS_SUCCESS)
{
LdrUnloadDll(wm->ldr.BaseAddress);
wm = NULL;
}
}
*hModule = (wm) ? wm->ldr.BaseAddress : NULL;
RtlLeaveCriticalSection( &loader_section );
return nts;
}
/******************************************************************
* LdrGetDllHandle (NTDLL.@)
*/
NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
{
NTSTATUS status;
UNICODE_STRING nt_name;
WINE_MODREF *wm;
void *module;
pe_image_info_t image_info;
struct stat st;
RtlEnterCriticalSection( &loader_section );
if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
status = find_dll_file( load_path, name->Buffer, dllW, &nt_name, &wm, &module, &image_info, &st );
if (wm) *base = wm->ldr.BaseAddress;
else
{
if (status == STATUS_SUCCESS) NtUnmapViewOfSection( NtCurrentProcess(), module );
status = STATUS_DLL_NOT_FOUND;
}
RtlFreeUnicodeString( &nt_name );
RtlLeaveCriticalSection( &loader_section );
TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
return status;
}
/******************************************************************
* LdrAddRefDll (NTDLL.@)
*/
NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
{
NTSTATUS ret = STATUS_SUCCESS;
WINE_MODREF *wm;
if (flags & ~LDR_ADDREF_DLL_PIN) FIXME( "%p flags %x not implemented\n", module, flags );
RtlEnterCriticalSection( &loader_section );
if ((wm = get_modref( module )))
{
if (flags & LDR_ADDREF_DLL_PIN)
wm->ldr.LoadCount = -1;
else
if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
}
else ret = STATUS_INVALID_PARAMETER;
RtlLeaveCriticalSection( &loader_section );
return ret;
}
/***********************************************************************
* LdrProcessRelocationBlock (NTDLL.@)
*
* Apply relocations to a given page of a mapped PE image.
*/
IMAGE_BASE_RELOCATION * WINAPI LdrProcessRelocationBlock( void *page, UINT count,
USHORT *relocs, INT_PTR delta )
{
while (count--)
{
USHORT offset = *relocs & 0xfff;
int type = *relocs >> 12;
switch(type)
{
case IMAGE_REL_BASED_ABSOLUTE:
break;
case IMAGE_REL_BASED_HIGH:
*(short *)((char *)page + offset) += HIWORD(delta);
break;
case IMAGE_REL_BASED_LOW:
*(short *)((char *)page + offset) += LOWORD(delta);
break;
case IMAGE_REL_BASED_HIGHLOW:
*(int *)((char *)page + offset) += delta;
break;
#ifdef _WIN64
case IMAGE_REL_BASED_DIR64:
*(INT_PTR *)((char *)page + offset) += delta;
break;
#elif defined(__arm__)
case IMAGE_REL_BASED_THUMB_MOV32:
{
DWORD inst = *(INT_PTR *)((char *)page + offset);
DWORD imm16 = ((inst << 1) & 0x0800) + ((inst << 12) & 0xf000) +
((inst >> 20) & 0x0700) + ((inst >> 16) & 0x00ff);
DWORD hi_delta;
if ((inst & 0x8000fbf0) != 0x0000f240)
ERR("wrong Thumb2 instruction %08x, expected MOVW\n", inst);
imm16 += LOWORD(delta);
hi_delta = HIWORD(delta) + HIWORD(imm16);
*(INT_PTR *)((char *)page + offset) = (inst & 0x8f00fbf0) + ((imm16 >> 1) & 0x0400) +
((imm16 >> 12) & 0x000f) +
((imm16 << 20) & 0x70000000) +
((imm16 << 16) & 0xff0000);
if (hi_delta != 0)
{
inst = *(INT_PTR *)((char *)page + offset + 4);
imm16 = ((inst << 1) & 0x0800) + ((inst << 12) & 0xf000) +
((inst >> 20) & 0x0700) + ((inst >> 16) & 0x00ff);
if ((inst & 0x8000fbf0) != 0x0000f2c0)
ERR("wrong Thumb2 instruction %08x, expected MOVT\n", inst);
imm16 += hi_delta;
if (imm16 > 0xffff)
ERR("resulting immediate value won't fit: %08x\n", imm16);
*(INT_PTR *)((char *)page + offset + 4) = (inst & 0x8f00fbf0) +
((imm16 >> 1) & 0x0400) +
((imm16 >> 12) & 0x000f) +
((imm16 << 20) & 0x70000000) +
((imm16 << 16) & 0xff0000);
}
}
break;
#endif
default:
FIXME("Unknown/unsupported fixup type %x.\n", type);
return NULL;
}
relocs++;
}
return (IMAGE_BASE_RELOCATION *)relocs; /* return address of next block */
}
/******************************************************************
* LdrQueryProcessModuleInformation
*
*/
NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
ULONG buf_size, ULONG* req_size)
{
SYSTEM_MODULE* sm = &smi->Modules[0];
ULONG size = sizeof(ULONG);
NTSTATUS nts = STATUS_SUCCESS;
ANSI_STRING str;
char* ptr;
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
WORD id = 0;
smi->ModulesCount = 0;
RtlEnterCriticalSection( &loader_section );
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Flink; entry != mark; entry = entry->Flink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
size += sizeof(*sm);
if (size <= buf_size)
{
sm->Section = 0; /* FIXME */
sm->MappedBaseAddress = mod->BaseAddress;
sm->ImageBaseAddress = mod->BaseAddress;
sm->ImageSize = mod->SizeOfImage;
sm->Flags = mod->Flags;
sm->LoadOrderIndex = id++;
sm->InitOrderIndex = 0; /* FIXME */
sm->LoadCount = mod->LoadCount;
str.Length = 0;
str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
str.Buffer = (char*)sm->Name;
RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
ptr = strrchr(str.Buffer, '\\');
sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
smi->ModulesCount++;
sm++;
}
else nts = STATUS_INFO_LENGTH_MISMATCH;
}
RtlLeaveCriticalSection( &loader_section );
if (req_size) *req_size = size;
return nts;
}
static NTSTATUS query_dword_option( HANDLE hkey, LPCWSTR name, ULONG *value )
{
NTSTATUS status;
UNICODE_STRING str;
ULONG size;
WCHAR buffer[64];
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
RtlInitUnicodeString( &str, name );
size = sizeof(buffer) - sizeof(WCHAR);
if ((status = NtQueryValueKey( hkey, &str, KeyValuePartialInformation, buffer, size, &size )))
return status;
if (info->Type != REG_DWORD)
{
buffer[size / sizeof(WCHAR)] = 0;
*value = strtoulW( (WCHAR *)info->Data, 0, 16 );
}
else memcpy( value, info->Data, sizeof(*value) );
return status;
}
static NTSTATUS query_string_option( HANDLE hkey, LPCWSTR name, ULONG type,
void *data, ULONG in_size, ULONG *out_size )
{
NTSTATUS status;
UNICODE_STRING str;
ULONG size;
char *buffer;
KEY_VALUE_PARTIAL_INFORMATION *info;
static const int info_size = FIELD_OFFSET( KEY_VALUE_PARTIAL_INFORMATION, Data );
RtlInitUnicodeString( &str, name );
size = info_size + in_size;
if (!(buffer = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
status = NtQueryValueKey( hkey, &str, KeyValuePartialInformation, buffer, size, &size );
if (!status || status == STATUS_BUFFER_OVERFLOW)
{
if (out_size) *out_size = info->DataLength;
if (data && !status) memcpy( data, info->Data, info->DataLength );
}
RtlFreeHeap( GetProcessHeap(), 0, buffer );
return status;
}
/******************************************************************
* LdrQueryImageFileExecutionOptions (NTDLL.@)
*/
NTSTATUS WINAPI LdrQueryImageFileExecutionOptions( const UNICODE_STRING *key, LPCWSTR value, ULONG type,
void *data, ULONG in_size, ULONG *out_size )
{
static const WCHAR optionsW[] = {'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'I','m','a','g','e',' ','F','i','l','e',' ',
'E','x','e','c','u','t','i','o','n',' ','O','p','t','i','o','n','s','\\'};
WCHAR path[MAX_PATH + ARRAY_SIZE( optionsW )];
OBJECT_ATTRIBUTES attr;
UNICODE_STRING name_str;
HANDLE hkey;
NTSTATUS status;
ULONG len;
WCHAR *p;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &name_str;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if ((p = memrchrW( key->Buffer, '\\', key->Length / sizeof(WCHAR) ))) p++;
else p = key->Buffer;
len = key->Length - (p - key->Buffer) * sizeof(WCHAR);
name_str.Buffer = path;
name_str.Length = sizeof(optionsW) + len;
name_str.MaximumLength = name_str.Length;
memcpy( path, optionsW, sizeof(optionsW) );
memcpy( path + ARRAY_SIZE( optionsW ), p, len );
if ((status = NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr ))) return status;
if (type == REG_DWORD)
{
if (out_size) *out_size = sizeof(ULONG);
if (in_size >= sizeof(ULONG)) status = query_dword_option( hkey, value, data );
else status = STATUS_BUFFER_OVERFLOW;
}
else status = query_string_option( hkey, value, type, data, in_size, out_size );
NtClose( hkey );
return status;
}
/******************************************************************
* RtlDllShutdownInProgress (NTDLL.@)
*/
BOOLEAN WINAPI RtlDllShutdownInProgress(void)
{
return process_detaching;
}
/****************************************************************************
* LdrResolveDelayLoadedAPI (NTDLL.@)
*/
void* WINAPI LdrResolveDelayLoadedAPI( void* base, const IMAGE_DELAYLOAD_DESCRIPTOR* desc,
PDELAYLOAD_FAILURE_DLL_CALLBACK dllhook,
PDELAYLOAD_FAILURE_SYSTEM_ROUTINE syshook,
IMAGE_THUNK_DATA* addr, ULONG flags )
{
IMAGE_THUNK_DATA *pIAT, *pINT;
DELAYLOAD_INFO delayinfo;
UNICODE_STRING mod;
const CHAR* name;
HMODULE *phmod;
NTSTATUS nts;
FARPROC fp;
DWORD id;
TRACE( "(%p, %p, %p, %p, %p, 0x%08x)\n", base, desc, dllhook, syshook, addr, flags );
phmod = get_rva(base, desc->ModuleHandleRVA);
pIAT = get_rva(base, desc->ImportAddressTableRVA);
pINT = get_rva(base, desc->ImportNameTableRVA);
name = get_rva(base, desc->DllNameRVA);
id = addr - pIAT;
if (!*phmod)
{
if (!RtlCreateUnicodeStringFromAsciiz(&mod, name))
{
nts = STATUS_NO_MEMORY;
goto fail;
}
nts = LdrLoadDll(NULL, 0, &mod, phmod);
RtlFreeUnicodeString(&mod);
if (nts) goto fail;
}
if (IMAGE_SNAP_BY_ORDINAL(pINT[id].u1.Ordinal))
nts = LdrGetProcedureAddress(*phmod, NULL, LOWORD(pINT[id].u1.Ordinal), (void**)&fp);
else
{
const IMAGE_IMPORT_BY_NAME* iibn = get_rva(base, pINT[id].u1.AddressOfData);
ANSI_STRING fnc;
RtlInitAnsiString(&fnc, (char*)iibn->Name);
nts = LdrGetProcedureAddress(*phmod, &fnc, 0, (void**)&fp);
}
if (!nts)
{
pIAT[id].u1.Function = (ULONG_PTR)fp;
return fp;
}
fail:
delayinfo.Size = sizeof(delayinfo);
delayinfo.DelayloadDescriptor = desc;
delayinfo.ThunkAddress = addr;
delayinfo.TargetDllName = name;
delayinfo.TargetApiDescriptor.ImportDescribedByName = !IMAGE_SNAP_BY_ORDINAL(pINT[id].u1.Ordinal);
delayinfo.TargetApiDescriptor.Description.Ordinal = LOWORD(pINT[id].u1.Ordinal);
delayinfo.TargetModuleBase = *phmod;
delayinfo.Unused = NULL;
delayinfo.LastError = nts;
if (dllhook)
return dllhook(4, &delayinfo);
if (IMAGE_SNAP_BY_ORDINAL(pINT[id].u1.Ordinal))
{
DWORD_PTR ord = LOWORD(pINT[id].u1.Ordinal);
return syshook(name, (const char *)ord);
}
else
{
const IMAGE_IMPORT_BY_NAME* iibn = get_rva(base, pINT[id].u1.AddressOfData);
return syshook(name, (const char *)iibn->Name);
}
}
/******************************************************************
* LdrShutdownProcess (NTDLL.@)
*
*/
void WINAPI LdrShutdownProcess(void)
{
TRACE("()\n");
process_detaching = TRUE;
process_detach();
}
/******************************************************************
* RtlExitUserProcess (NTDLL.@)
*/
void WINAPI RtlExitUserProcess( DWORD status )
{
RtlEnterCriticalSection( &loader_section );
RtlAcquirePebLock();
NtTerminateProcess( 0, status );
LdrShutdownProcess();
NtTerminateProcess( GetCurrentProcess(), status );
exit( get_unix_exit_code( status ));
}
/******************************************************************
* LdrShutdownThread (NTDLL.@)
*
*/
void WINAPI LdrShutdownThread(void)
{
PLIST_ENTRY mark, entry;
PLDR_MODULE mod;
UINT i;
void **pointers;
TRACE("()\n");
/* don't do any detach calls if process is exiting */
if (process_detaching) return;
RtlEnterCriticalSection( &loader_section );
mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
for (entry = mark->Blink; entry != mark; entry = entry->Blink)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE,
InInitializationOrderModuleList);
if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
continue;
if ( mod->Flags & LDR_NO_DLL_CALLS )
continue;
MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
DLL_THREAD_DETACH, NULL );
}
RtlAcquirePebLock();
RemoveEntryList( &NtCurrentTeb()->TlsLinks );
RtlReleasePebLock();
if ((pointers = NtCurrentTeb()->ThreadLocalStoragePointer))
{
for (i = 0; i < tls_module_count; i++) RtlFreeHeap( GetProcessHeap(), 0, pointers[i] );
RtlFreeHeap( GetProcessHeap(), 0, pointers );
}
RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
RtlLeaveCriticalSection( &loader_section );
}
/***********************************************************************
* free_modref
*
*/
static void free_modref( WINE_MODREF *wm )
{
RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
if (wm->ldr.InInitializationOrderModuleList.Flink)
RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
if (!TRACE_ON(module))
TRACE_(loaddll)("Unloaded module %s : %s\n",
debugstr_w(wm->ldr.FullDllName.Buffer),
(wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
SERVER_START_REQ( unload_dll )
{
req->base = wine_server_client_ptr( wm->ldr.BaseAddress );
wine_server_call( req );
}
SERVER_END_REQ;
free_tls_slot( &wm->ldr );
RtlReleaseActivationContext( wm->ldr.ActivationContext );
if ((wm->ldr.Flags & LDR_WINE_INTERNAL) && wm->ldr.SectionHandle)
wine_dlclose( wm->ldr.SectionHandle, NULL, 0 );
NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
if (cached_modref == wm) cached_modref = NULL;
RtlFreeUnicodeString( &wm->ldr.FullDllName );
RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
RtlFreeHeap( GetProcessHeap(), 0, wm );
}
/***********************************************************************
* MODULE_FlushModrefs
*
* Remove all unused modrefs and call the internal unloading routines
* for the library type.
*
* The loader_section must be locked while calling this function.
*/
static void MODULE_FlushModrefs(void)
{
PLIST_ENTRY mark, entry, prev;
PLDR_MODULE mod;
WINE_MODREF*wm;
mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
for (entry = mark->Blink; entry != mark; entry = prev)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
prev = entry->Blink;
if (!mod->LoadCount) free_modref( wm );
}
/* check load order list too for modules that haven't been initialized yet */
mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
for (entry = mark->Blink; entry != mark; entry = prev)
{
mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
prev = entry->Blink;
if (!mod->LoadCount) free_modref( wm );
}
}
/***********************************************************************
* MODULE_DecRefCount
*
* The loader_section must be locked while calling this function.
*/
static void MODULE_DecRefCount( WINE_MODREF *wm )
{
int i;
if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
return;
if ( wm->ldr.LoadCount <= 0 )
return;
--wm->ldr.LoadCount;
TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
if ( wm->ldr.LoadCount == 0 )
{
wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
for ( i = 0; i < wm->nDeps; i++ )
if ( wm->deps[i] )
MODULE_DecRefCount( wm->deps[i] );
wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
module_push_unload_trace( &wm->ldr );
}
}
/******************************************************************
* LdrUnloadDll (NTDLL.@)
*
*
*/
NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
{
WINE_MODREF *wm;
NTSTATUS retv = STATUS_SUCCESS;
if (process_detaching) return retv;
TRACE("(%p)\n", hModule);
RtlEnterCriticalSection( &loader_section );
free_lib_count++;
if ((wm = get_modref( hModule )) != NULL)
{
TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
/* Recursively decrement reference counts */
MODULE_DecRefCount( wm );
/* Call process detach notifications */
if ( free_lib_count <= 1 )
{
process_detach();
MODULE_FlushModrefs();
}
TRACE("END\n");
}
else
retv = STATUS_DLL_NOT_FOUND;
free_lib_count--;
RtlLeaveCriticalSection( &loader_section );
return retv;
}
/***********************************************************************
* RtlImageNtHeader (NTDLL.@)
*/
PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
{
IMAGE_NT_HEADERS *ret;
__TRY
{
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
ret = NULL;
if (dos->e_magic == IMAGE_DOS_SIGNATURE)
{
ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
}
}
__EXCEPT_PAGE_FAULT
{
return NULL;
}
__ENDTRY
return ret;
}
/******************************************************************
* LdrInitializeThunk (NTDLL.@)
*
* Attach to all the loaded dlls.
* If this is the first time, perform the full process initialization.
*/
void WINAPI LdrInitializeThunk( CONTEXT *context, void **entry, ULONG_PTR unknown3, ULONG_PTR unknown4 )
{
static const LARGE_INTEGER zero;
NTSTATUS status;
WINE_MODREF *wm;
LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
if (process_detaching) return;
RtlEnterCriticalSection( &loader_section );
wm = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
assert( wm );
if (!imports_fixup_done)
{
actctx_init();
if (wm->ldr.Flags & LDR_COR_ILONLY)
status = fixup_imports_ilonly( wm, load_path, entry );
else
status = fixup_imports( wm, load_path );
if (status)
{
ERR( "Importing dlls for %s failed, status %x\n",
debugstr_w(NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer), status );
NtTerminateProcess( GetCurrentProcess(), status );
}
imports_fixup_done = TRUE;
}
RtlAcquirePebLock();
InsertHeadList( &tls_links, &NtCurrentTeb()->TlsLinks );
RtlReleasePebLock();
if (!(wm->ldr.Flags & LDR_PROCESS_ATTACHED)) /* first time around */
{
if ((status = alloc_thread_tls()) != STATUS_SUCCESS)
{
ERR( "TLS init failed when loading %s, status %x\n",
debugstr_w(NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer), status );
NtTerminateProcess( GetCurrentProcess(), status );
}
if ((status = process_attach( wm, context )) != STATUS_SUCCESS)
{
if (last_failed_modref)
ERR( "%s failed to initialize, aborting\n",
debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
ERR( "Initializing dlls for %s failed, status %x\n",
debugstr_w(NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer), status );
NtTerminateProcess( GetCurrentProcess(), status );
}
attach_implicitly_loaded_dlls( context );
virtual_release_address_space();
}
else
{
if ((status = alloc_thread_tls()) != STATUS_SUCCESS)
NtTerminateThread( GetCurrentThread(), status );
thread_attach();
}
RtlLeaveCriticalSection( &loader_section );
NtDelayExecution( TRUE, &zero );
}
/***********************************************************************
* load_global_options
*/
static void load_global_options(void)
{
static const WCHAR sessionW[] = {'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'S','e','s','s','i','o','n',' ','M','a','n','a','g','e','r',0};
static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0};
static const WCHAR safesearchW[] = {'S','a','f','e','P','r','o','c','e','s','s','S','e','a','r','c','h','M','o','d','e',0};
static const WCHAR safedllmodeW[] = {'S','a','f','e','D','l','l','S','e','a','r','c','h','M','o','d','e',0};
static const WCHAR critsectW[] = {'C','r','i','t','i','c','a','l','S','e','c','t','i','o','n','T','i','m','e','o','u','t',0};
static const WCHAR heapresW[] = {'H','e','a','p','S','e','g','m','e','n','t','R','e','s','e','r','v','e',0};
static const WCHAR heapcommitW[] = {'H','e','a','p','S','e','g','m','e','n','t','C','o','m','m','i','t',0};
static const WCHAR decommittotalW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','T','o','t','a','l','F','r','e','e','T','h','r','e','s','h','o','l','d',0};
static const WCHAR decommitfreeW[] = {'H','e','a','p','D','e','C','o','m','m','i','t','F','r','e','e','B','l','o','c','k','T','h','r','e','s','h','o','l','d',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING name_str;
HANDLE hkey;
ULONG value;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &name_str;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &name_str, sessionW );
if (!NtOpenKey( &hkey, KEY_QUERY_VALUE, &attr ))
{
query_dword_option( hkey, globalflagW, &NtCurrentTeb()->Peb->NtGlobalFlag );
query_dword_option( hkey, safesearchW, &path_safe_mode );
query_dword_option( hkey, safedllmodeW, &dll_safe_mode );
if (!query_dword_option( hkey, critsectW, &value ))
NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000;
if (!query_dword_option( hkey, heapresW, &value ))
NtCurrentTeb()->Peb->HeapSegmentReserve = value;
if (!query_dword_option( hkey, heapcommitW, &value ))
NtCurrentTeb()->Peb->HeapSegmentCommit = value;
if (!query_dword_option( hkey, decommittotalW, &value ))
NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value;
if (!query_dword_option( hkey, decommitfreeW, &value ))
NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value;
NtClose( hkey );
}
LdrQueryImageFileExecutionOptions( &NtCurrentTeb()->Peb->ProcessParameters->ImagePathName,
globalflagW, REG_DWORD, &NtCurrentTeb()->Peb->NtGlobalFlag,
sizeof(DWORD), NULL );
heap_set_debug_flags( GetProcessHeap() );
}
/***********************************************************************
* RtlImageDirectoryEntryToData (NTDLL.@)
*/
PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
{
const IMAGE_NT_HEADERS *nt;
DWORD addr;
if ((ULONG_PTR)module & 1) image = FALSE; /* mapped as data file */
module = (HMODULE)((ULONG_PTR)module & ~3);
if (!(nt = RtlImageNtHeader( module ))) return NULL;
if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
{
const IMAGE_NT_HEADERS64 *nt64 = (const IMAGE_NT_HEADERS64 *)nt;
if (dir >= nt64->OptionalHeader.NumberOfRvaAndSizes) return NULL;
if (!(addr = nt64->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
*size = nt64->OptionalHeader.DataDirectory[dir].Size;
if (image || addr < nt64->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
}
else if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)
{
const IMAGE_NT_HEADERS32 *nt32 = (const IMAGE_NT_HEADERS32 *)nt;
if (dir >= nt32->OptionalHeader.NumberOfRvaAndSizes) return NULL;
if (!(addr = nt32->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
*size = nt32->OptionalHeader.DataDirectory[dir].Size;
if (image || addr < nt32->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
}
else return NULL;
/* not mapped as image, need to find the section containing the virtual address */
return RtlImageRvaToVa( nt, module, addr, NULL );
}
/***********************************************************************
* RtlImageRvaToSection (NTDLL.@)
*/
PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
HMODULE module, DWORD rva )
{
int i;
const IMAGE_SECTION_HEADER *sec;
sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
nt->FileHeader.SizeOfOptionalHeader);
for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
{
if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
return (PIMAGE_SECTION_HEADER)sec;
}
return NULL;
}
/***********************************************************************
* RtlImageRvaToVa (NTDLL.@)
*/
PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
DWORD rva, IMAGE_SECTION_HEADER **section )
{
IMAGE_SECTION_HEADER *sec;
if (section && *section) /* try this section first */
{
sec = *section;
if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
goto found;
}
if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
found:
if (section) *section = sec;
return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
}
/***********************************************************************
* RtlPcToFileHeader (NTDLL.@)
*/
PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
{
LDR_MODULE *module;
PVOID ret = NULL;
RtlEnterCriticalSection( &loader_section );
if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
RtlLeaveCriticalSection( &loader_section );
*address = ret;
return ret;
}
/****************************************************************************
* LdrGetDllDirectory (NTDLL.@)
*/
NTSTATUS WINAPI LdrGetDllDirectory( UNICODE_STRING *dir )
{
NTSTATUS status = STATUS_SUCCESS;
RtlEnterCriticalSection( &dlldir_section );
dir->Length = dll_directory.Length + sizeof(WCHAR);
if (dir->MaximumLength >= dir->Length) RtlCopyUnicodeString( dir, &dll_directory );
else
{
status = STATUS_BUFFER_TOO_SMALL;
if (dir->MaximumLength) dir->Buffer[0] = 0;
}
RtlLeaveCriticalSection( &dlldir_section );
return status;
}
/****************************************************************************
* LdrSetDllDirectory (NTDLL.@)
*/
NTSTATUS WINAPI LdrSetDllDirectory( const UNICODE_STRING *dir )
{
NTSTATUS status = STATUS_SUCCESS;
UNICODE_STRING new;
if (!dir->Buffer) RtlInitUnicodeString( &new, NULL );
else if ((status = RtlDuplicateUnicodeString( 1, dir, &new ))) return status;
RtlEnterCriticalSection( &dlldir_section );
RtlFreeUnicodeString( &dll_directory );
dll_directory = new;
RtlLeaveCriticalSection( &dlldir_section );
return status;
}
/****************************************************************************
* LdrAddDllDirectory (NTDLL.@)
*/
NTSTATUS WINAPI LdrAddDllDirectory( const UNICODE_STRING *dir, void **cookie )
{
FILE_BASIC_INFORMATION info;
UNICODE_STRING nt_name;
NTSTATUS status;
OBJECT_ATTRIBUTES attr;
DWORD len;
struct dll_dir_entry *ptr;
DOS_PATHNAME_TYPE type = RtlDetermineDosPathNameType_U( dir->Buffer );
if (type != ABSOLUTE_PATH && type != ABSOLUTE_DRIVE_PATH)
return STATUS_INVALID_PARAMETER;
status = RtlDosPathNameToNtPathName_U_WithStatus( dir->Buffer, &nt_name, NULL, NULL );
if (status) return status;
len = nt_name.Length / sizeof(WCHAR);
if (!(ptr = RtlAllocateHeap( GetProcessHeap(), 0, offsetof(struct dll_dir_entry, dir[++len] ))))
return STATUS_NO_MEMORY;
memcpy( ptr->dir, nt_name.Buffer, len * sizeof(WCHAR) );
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nt_name;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtQueryAttributesFile( &attr, &info );
RtlFreeUnicodeString( &nt_name );
if (!status)
{
TRACE( "%s\n", debugstr_w( ptr->dir ));
RtlEnterCriticalSection( &dlldir_section );
list_add_head( &dll_dir_list, &ptr->entry );
RtlLeaveCriticalSection( &dlldir_section );
*cookie = ptr;
}
else RtlFreeHeap( GetProcessHeap(), 0, ptr );
return status;
}
/****************************************************************************
* LdrRemoveDllDirectory (NTDLL.@)
*/
NTSTATUS WINAPI LdrRemoveDllDirectory( void *cookie )
{
struct dll_dir_entry *ptr = cookie;
TRACE( "%s\n", debugstr_w( ptr->dir ));
RtlEnterCriticalSection( &dlldir_section );
list_remove( &ptr->entry );
RtlFreeHeap( GetProcessHeap(), 0, ptr );
RtlLeaveCriticalSection( &dlldir_section );
return STATUS_SUCCESS;
}
/*************************************************************************
* LdrSetDefaultDllDirectories (NTDLL.@)
*/
NTSTATUS WINAPI LdrSetDefaultDllDirectories( ULONG flags )
{
/* LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR doesn't make sense in default dirs */
const ULONG load_library_search_flags = (LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32 |
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
if (!flags || (flags & ~load_library_search_flags)) return STATUS_INVALID_PARAMETER;
default_search_flags = flags;
return STATUS_SUCCESS;
}
/******************************************************************
* LdrGetDllPath (NTDLL.@)
*/
NTSTATUS WINAPI LdrGetDllPath( PCWSTR module, ULONG flags, PWSTR *path, PWSTR *unknown )
{
NTSTATUS status;
const ULONG load_library_search_flags = (LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR |
LOAD_LIBRARY_SEARCH_APPLICATION_DIR |
LOAD_LIBRARY_SEARCH_USER_DIRS |
LOAD_LIBRARY_SEARCH_SYSTEM32 |
LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);
if (flags & LOAD_WITH_ALTERED_SEARCH_PATH)
{
if (flags & load_library_search_flags) return STATUS_INVALID_PARAMETER;
if (default_search_flags) flags |= default_search_flags | LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR;
}
else if (!(flags & load_library_search_flags)) flags |= default_search_flags;
RtlEnterCriticalSection( &dlldir_section );
if (flags & load_library_search_flags)
{
status = get_dll_load_path_search_flags( module, flags, path );
}
else
{
const WCHAR *dlldir = dll_directory.Length ? dll_directory.Buffer : NULL;
if (!(flags & LOAD_WITH_ALTERED_SEARCH_PATH))
module = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
status = get_dll_load_path( module, dlldir, dll_safe_mode, path );
}
RtlLeaveCriticalSection( &dlldir_section );
*unknown = NULL;
return status;
}
/*************************************************************************
* RtlSetSearchPathMode (NTDLL.@)
*/
NTSTATUS WINAPI RtlSetSearchPathMode( ULONG flags )
{
int val;
switch (flags)
{
case BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE:
val = 1;
break;
case BASE_SEARCH_PATH_DISABLE_SAFE_SEARCHMODE:
val = 0;
break;
case BASE_SEARCH_PATH_ENABLE_SAFE_SEARCHMODE | BASE_SEARCH_PATH_PERMANENT:
interlocked_xchg( (int *)&path_safe_mode, 2 );
return STATUS_SUCCESS;
default:
return STATUS_INVALID_PARAMETER;
}
for (;;)
{
int prev = path_safe_mode;
if (prev == 2) break; /* permanently set */
if (interlocked_cmpxchg( (int *)&path_safe_mode, val, prev ) == prev) return STATUS_SUCCESS;
}
return STATUS_ACCESS_DENIED;
}
/******************************************************************
* RtlGetExePath (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetExePath( PCWSTR name, PWSTR *path )
{
static const WCHAR emptyW[1];
const WCHAR *dlldir = dotW;
const WCHAR *module = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
/* same check as NeedCurrentDirectoryForExePathW */
if (!strchrW( name, '\\' ))
{
static const WCHAR env_name[] = {'N','o','D','e','f','a','u','l','t','C','u','r','r','e','n','t',
'D','i','r','e','c','t','o','r','y','I','n',
'E','x','e','P','a','t','h',0};
UNICODE_STRING name, value = { 0 };
RtlInitUnicodeString( &name, env_name );
if (RtlQueryEnvironmentVariable_U( NULL, &name, &value ) != STATUS_VARIABLE_NOT_FOUND)
dlldir = emptyW;
}
return get_dll_load_path( module, dlldir, FALSE, path );
}
/******************************************************************
* RtlGetSearchPath (NTDLL.@)
*/
NTSTATUS WINAPI RtlGetSearchPath( PWSTR *path )
{
const WCHAR *module = NtCurrentTeb()->Peb->ProcessParameters->ImagePathName.Buffer;
return get_dll_load_path( module, NULL, path_safe_mode, path );
}
/******************************************************************
* RtlReleasePath (NTDLL.@)
*/
void WINAPI RtlReleasePath( PWSTR path )
{
RtlFreeHeap( GetProcessHeap(), 0, path );
}
/***********************************************************************
* NtLoadDriver (NTDLL.@)
* ZwLoadDriver (NTDLL.@)
*/
NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
{
FIXME("(%p), stub!\n",DriverServiceName);
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* NtUnloadDriver (NTDLL.@)
* ZwUnloadDriver (NTDLL.@)
*/
NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
{
FIXME("(%p), stub!\n",DriverServiceName);
return STATUS_NOT_IMPLEMENTED;
}
/******************************************************************
* DllMain (NTDLL.@)
*/
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
{
if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
return TRUE;
}
/***********************************************************************
* __wine_process_init
*/
void __wine_process_init(void)
{
static const WCHAR kernel32W[] = {'\\','?','?','\\','C',':','\\','w','i','n','d','o','w','s','\\',
's','y','s','t','e','m','3','2','\\',
'k','e','r','n','e','l','3','2','.','d','l','l',0};
RTL_USER_PROCESS_PARAMETERS *params;
WINE_MODREF *wm;
NTSTATUS status;
ANSI_STRING func_name;
UNICODE_STRING nt_name;
INITIAL_TEB stack;
BOOL suspend;
SIZE_T info_size;
TEB *teb = thread_init();
PEB *peb = teb->Peb;
/* setup the server connection */
server_init_process();
info_size = server_init_thread( peb, &suspend );
peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL );
peb->LoaderLock = &loader_section;
init_unix_codepage();
init_directories();
init_user_process_params( info_size );
NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
/* retrieve current umask */
FILE_umask = umask(0777);
umask( FILE_umask );
load_global_options();
version_init();
/* setup the load callback and create ntdll modref */
wine_dll_set_callback( load_builtin_callback );
RtlInitUnicodeString( &nt_name, kernel32W );
if ((status = load_builtin_dll( NULL, &nt_name, NULL, 0, &wm )) != STATUS_SUCCESS)
{
MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
exit(1);
}
RtlInitAnsiString( &func_name, "__wine_start_process" );
if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
0, (void **)&kernel32_start_process )) != STATUS_SUCCESS)
{
MESSAGE( "wine: could not find __wine_start_process in kernel32.dll, status %x\n", status );
exit(1);
}
init_locale( wm->ldr.BaseAddress );
params = peb->ProcessParameters;
if (!(status = load_dll( params->DllPath.Buffer, params->ImagePathName.Buffer, NULL,
DONT_RESOLVE_DLL_REFERENCES, &wm )))
{
peb->ImageBaseAddress = wm->ldr.BaseAddress;
TRACE( "main exe loaded %s at %p\n", debugstr_us(&params->ImagePathName), peb->ImageBaseAddress );
if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
{
MESSAGE( "wine: %s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
NtTerminateProcess( GetCurrentProcess(), STATUS_INVALID_IMAGE_FORMAT );
}
}
else
{
if (!info_size) status = restart_process( params, status );
switch (status)
{
case STATUS_INVALID_IMAGE_WIN_64:
ERR( "%s 64-bit application not supported in 32-bit prefix\n",
debugstr_us(&params->ImagePathName) );
break;
case STATUS_INVALID_IMAGE_WIN_16:
case STATUS_INVALID_IMAGE_NE_FORMAT:
case STATUS_INVALID_IMAGE_PROTECT:
ERR( "%s 16-bit application not supported on this system\n",
debugstr_us(&params->ImagePathName) );
break;
case STATUS_INVALID_IMAGE_FORMAT:
ERR( "%s not supported on this system\n", debugstr_us(&params->ImagePathName) );
break;
case STATUS_DLL_NOT_FOUND:
ERR( "%s not found\n", debugstr_us(&params->ImagePathName) );
break;
default:
ERR( "failed to load %s, error %x\n", debugstr_us(&params->ImagePathName), status );
break;
}
NtTerminateProcess( GetCurrentProcess(), status );
}
virtual_set_large_address_space();
/* the main exe needs to be the first in the load order list */
RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
RemoveEntryList( &wm->ldr.InMemoryOrderModuleList );
InsertHeadList( &peb->LdrData->InMemoryOrderModuleList, &wm->ldr.InMemoryOrderModuleList );
virtual_alloc_thread_stack( &stack, 0, 0, NULL );
teb->Tib.StackBase = stack.StackBase;
teb->Tib.StackLimit = stack.StackLimit;
teb->DeallocationStack = stack.DeallocationStack;
server_init_process_done();
}
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