/* * 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/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); WINE_DECLARE_DEBUG_CHANNEL(pid); #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); 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 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; 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 WCHAR *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; struct start_params { void *kernel_start; LPTHREAD_START_ROUTINE entry; }; static HANDLE main_exe_file; 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 WINE_MODREF *cached_modref; static WINE_MODREF *current_modref; static WINE_MODREF *last_failed_modref; static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, 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++; } /************************************************************************* * 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__) /************************************************************************* * 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 { BYTE ldr_r0[4]; /* ldr r0, $dll */ BYTE mov_pc_pc1[4]; /* mov pc,pc */ const char *dll; BYTE ldr_r1[4]; /* ldr r1, $name */ BYTE mov_pc_pc2[4]; /* mov pc,pc */ const char *name; BYTE mov_r2_lr[4]; /* mov r2, lr */ BYTE ldr_pc_pc[4]; /* ldr pc, [pc, #-4] */ 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[0] = 0x00; /* ldr r0, $dll */ stub->ldr_r0[1] = 0x00; stub->ldr_r0[2] = 0x9f; stub->ldr_r0[3] = 0xe5; stub->mov_pc_pc1[0] = 0x0f; /* mov pc,pc */ stub->mov_pc_pc1[1] = 0xf0; stub->mov_pc_pc1[2] = 0xa0; stub->mov_pc_pc1[3] = 0xe1; stub->dll = dll; stub->ldr_r1[0] = 0x00; /* ldr r1, $name */ stub->ldr_r1[1] = 0x10; stub->ldr_r1[2] = 0x9f; stub->ldr_r1[3] = 0xe5; stub->mov_pc_pc2[0] = 0x0f; /* mov pc,pc */ stub->mov_pc_pc2[1] = 0xf0; stub->mov_pc_pc2[2] = 0xa0; stub->mov_pc_pc2[3] = 0xe1; stub->name = name; stub->mov_r2_lr[0] = 0x0e; /* mov r2, lr */ stub->mov_r2_lr[1] = 0x20; stub->mov_r2_lr[2] = 0xa0; stub->mov_r2_lr[3] = 0xe1; stub->ldr_pc_pc[0] = 0x04; /* ldr pc, [pc, #-4] */ stub->ldr_pc_pc[1] = 0xf0; stub->ldr_pc_pc[2] = 0x1f; stub->ldr_pc_pc[3] = 0xe5; 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__ */ /************************************************************************* * 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( LPCWSTR name ) { PLIST_ENTRY mark, entry; if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.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->FullDllName.Buffer )) { cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr); return cached_modref; } } 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, 0, &wm ) == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) { 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, 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, 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( HMODULE module, 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 ((imports = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size ))) { for (i = 0; imports[i].Name; i++) { const char *name = get_rva( module, 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 * * 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, nb_imports; const IMAGE_IMPORT_DESCRIPTOR *imports; WINE_MODREF *prev; 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->nDeps = 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++) { if (!import_dll( wm->ldr.BaseAddress, &imports[i], load_path, &wm->deps[i] )) { wm->deps[i] = NULL; status = STATUS_DLL_NOT_FOUND; } } 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, LPCWSTR filename ) { WINE_MODREF *wm; const WCHAR *p; const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule); if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL; wm->nDeps = 0; wm->deps = NULL; wm->ldr.BaseAddress = hModule; wm->ldr.EntryPoint = NULL; wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage; wm->ldr.Flags = LDR_DONT_RESOLVE_REFS; wm->ldr.TlsIndex = -1; wm->ldr.LoadCount = 1; wm->ldr.SectionHandle = NULL; wm->ldr.CheckSum = 0; wm->ldr.TimeDateStamp = 0; wm->ldr.ActivationContext = 0; RtlCreateUnicodeString( &wm->ldr.FullDllName, filename ); 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( hModule, 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 this list */ wm->ldr.InInitializationOrderModuleList.Flink = NULL; wm->ldr.InInitializationOrderModuleList.Blink = NULL; 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; dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize ); if (!dir || !dir->AddressOfCallBacks) return; for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++) { if (TRACE_ON(relay)) { if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n", GetCurrentThreadId(), *callback, module, reason_names[reason] ); } __TRY { call_dll_entry_point( (DLLENTRYPROC)*callback, module, reason, NULL ); } __EXCEPT_ALL { if (TRACE_ON(relay)) { if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n", GetCurrentThreadId(), callback, module, reason_names[reason] ); } return; } __ENDTRY if (TRACE_ON(relay)) { if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n", GetCurrentThreadId(), *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; if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n", GetCurrentThreadId(), 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 { if (TRACE_ON(relay)) { if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n", GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved ); } status = GetExceptionCode(); } __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)) { if (TRACE_ON(pid)) DPRINTF( "%04x:", GetCurrentProcessId() ); DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n", GetCurrentThreadId(), 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; 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 ); /* 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) ); /* Restart at head of WINE_MODREF list, as entries might have been added and/or removed while performing the call ... */ break; } } while (entry != mark); } /************************************************************************* * MODULE_DllThreadAttach * * Send DLL thread attach notifications. These are sent in the * reverse sequence of process detach notification. * */ NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved ) { PLIST_ENTRY mark, entry; PLDR_MODULE mod; NTSTATUS status; /* don't do any attach calls if process is exiting */ if (process_detaching) return STATUS_SUCCESS; RtlEnterCriticalSection( &loader_section ); RtlAcquirePebLock(); InsertHeadList( &tls_links, &NtCurrentTeb()->TlsLinks ); RtlReleasePebLock(); if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done; 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, lpReserved ); } done: RtlLeaveCriticalSection( &loader_section ); return status; } /****************************************************************** * 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; } /****************************************************************** * 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; } /*********************************************************************** * is_fake_dll * * Check if a loaded native dll is a Wine fake dll. */ static BOOL is_fake_dll( HANDLE handle ) { static const char fakedll_signature[] = "Wine placeholder DLL"; char buffer[sizeof(IMAGE_DOS_HEADER) + sizeof(fakedll_signature)]; const IMAGE_DOS_HEADER *dos = (const IMAGE_DOS_HEADER *)buffer; IO_STATUS_BLOCK io; LARGE_INTEGER offset; offset.QuadPart = 0; if (NtReadFile( handle, 0, NULL, 0, &io, buffer, sizeof(buffer), &offset, NULL )) return FALSE; if (io.Information < sizeof(buffer)) return FALSE; if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE; if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) && !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE; return FALSE; } /*********************************************************************** * get_builtin_fullname * * Build the full pathname for a builtin dll. */ static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename ) { 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, '\\' ))) { 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; if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) { memcpy( fullname, path, len * sizeof(WCHAR) ); fullname[len] = 0; } return fullname; } } if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) ))) { memcpy( fullname, system_dir.Buffer, system_dir.Length ); p = fullname + system_dir.Length / sizeof(WCHAR); if (p > fullname && p[-1] != '\\') *p++ = '\\'; ascii_to_unicode( p, filename, len + 1 ); } return fullname; } /************************************************************************* * 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; WCHAR *fullname; 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 (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename ))) { ERR( "can't load %s\n", filename ); builtin_load_info->status = STATUS_NO_MEMORY; return; } wm = alloc_module( module, fullname ); RtlFreeHeap( GetProcessHeap(), 0, fullname ); if (!wm) { ERR( "can't load %s\n", filename ); builtin_load_info->status = STATUS_NO_MEMORY; return; } wm->ldr.Flags |= LDR_WINE_INTERNAL; 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->mapping = 0; req->base = wine_server_client_ptr( module ); req->size = nt->OptionalHeader.SizeOfImage; 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, SIZE_T len ) { IMAGE_NT_HEADERS *nt; 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; nt = RtlImageNtHeader( module ); base = (char *)nt->OptionalHeader.ImageBase; assert( module != base ); /* 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 > sizeof(protect_old)/sizeof(protect_old[0])) 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; } /****************************************************************************** * load_native_dll (internal) */ static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file, DWORD flags, WINE_MODREF** pwm ) { void *module; HANDLE mapping; LARGE_INTEGER size; IMAGE_NT_HEADERS *nt; SIZE_T len = 0; WINE_MODREF *wm; NTSTATUS status; TRACE("Trying native dll %s\n", debugstr_w(name)); size.QuadPart = 0; status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ, NULL, &size, PAGE_EXECUTE_READ, SEC_IMAGE, file ); if (status != STATUS_SUCCESS) return status; module = NULL; status = NtMapViewOfSection( mapping, NtCurrentProcess(), &module, 0, 0, &size, &len, ViewShare, 0, PAGE_EXECUTE_READ ); /* perform base relocation, if necessary */ if (status == STATUS_IMAGE_NOT_AT_BASE) status = perform_relocations( module, len ); if (status != STATUS_SUCCESS) { if (module) NtUnmapViewOfSection( NtCurrentProcess(), module ); goto done; } /* create the MODREF */ if (!(wm = alloc_module( module, name ))) { status = STATUS_NO_MEMORY; goto done; } set_security_cookie( module, len ); /* fixup imports */ nt = RtlImageNtHeader( module ); if (!(flags & DONT_RESOLVE_DLL_REFERENCES) && ((nt->FileHeader.Characteristics & IMAGE_FILE_DLL) || nt->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_NATIVE)) { if ((status = 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: 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. */ goto done; } } /* send DLL load event */ SERVER_START_REQ( load_dll ) { req->mapping = wine_server_obj_handle( mapping ); req->base = wine_server_client_ptr( module ); req->size = nt->OptionalHeader.SizeOfImage; 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 ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module ); TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module ); wm->ldr.LoadCount = 1; *pwm = wm; status = STATUS_SUCCESS; done: NtClose( mapping ); return status; } /*********************************************************************** * load_builtin_dll */ static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file, DWORD flags, WINE_MODREF** pwm ) { char error[256], dllname[MAX_PATH]; const WCHAR *name, *p; DWORD len, i; void *handle; struct builtin_load_info info, *prev_info; /* Fix the name in case we have a full path and extension */ name = path; if ((p = strrchrW( name, '\\' ))) name = p + 1; if ((p = strrchrW( name, '/' ))) name = p + 1; /* load_library will modify info.status. Note also that load_library can be * called several times, if the .so file we're loading has dependencies. * info.status will gather all the errors we may get while loading all these * libraries */ info.load_path = load_path; info.filename = NULL; info.status = STATUS_SUCCESS; info.wm = NULL; if (file) /* we have a real file, try to load it */ { UNICODE_STRING nt_name; ANSI_STRING unix_name; TRACE("Trying built-in %s\n", debugstr_w(path)); if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL )) return STATUS_DLL_NOT_FOUND; if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE )) { RtlFreeUnicodeString( &nt_name ); return STATUS_DLL_NOT_FOUND; } prev_info = builtin_load_info; info.filename = nt_name.Buffer + 4; /* skip \??\ */ builtin_load_info = &info; handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) ); builtin_load_info = prev_info; RtlFreeUnicodeString( &nt_name ); RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer ); if (!handle) { WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error ); return STATUS_INVALID_IMAGE_FORMAT; } } else { int file_exists; TRACE("Trying built-in %s\n", debugstr_w(name)); /* we don't want to depend on the current codepage here */ len = strlenW( name ) + 1; if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG; for (i = 0; i < len; i++) { if (name[i] > 127) return STATUS_DLL_NOT_FOUND; dllname[i] = (char)name[i]; if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A'; } prev_info = builtin_load_info; builtin_load_info = &info; handle = wine_dll_load( dllname, error, sizeof(error), &file_exists ); builtin_load_info = prev_info; if (!handle) { if (!file_exists) { /* The file does not exist -> WARN() */ WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error); return STATUS_DLL_NOT_FOUND; } /* ERR() for all other errors (missing functions, ...) */ ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error ); return STATUS_PROCEDURE_NOT_FOUND; } } if (info.status != STATUS_SUCCESS) { wine_dll_unload( handle ); return info.status; } if (!info.wm) { PLIST_ENTRY mark, entry; /* The constructor wasn't called, this means the .so is already * loaded under a different name. Try to find the wm for it. */ 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_WINE_INTERNAL && mod->SectionHandle == handle) { info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr); TRACE( "Found %s at %p for builtin %s\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) ); break; } } wine_dll_unload( handle ); /* release the libdl refcount */ if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT; if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++; } 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; } /*********************************************************************** * 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 || !info->lpAssemblyDirectoryName) { status = STATUS_SXS_KEY_NOT_FOUND; goto done; } if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' ))) { DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR); p++; if (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; } } 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 += sizeof(winsxsW) / sizeof(WCHAR); 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; } /*********************************************************************** * 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, WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle ) { OBJECT_ATTRIBUTES attr; IO_STATUS_BLOCK io; UNICODE_STRING nt_name; WCHAR *file_part, *ext, *dllname; ULONG len; /* first append .dll if needed */ dllname = NULL; if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\')) { if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0, (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) ))) return STATUS_NO_MEMORY; strcpyW( dllname, libname ); strcatW( dllname, dllW ); libname = dllname; } nt_name.Buffer = NULL; if (!contains_path( libname )) { NTSTATUS status; WCHAR *fullname = NULL; if ((*pwm = find_basename_module( libname )) != NULL) goto found; 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) { RtlFreeHeap( GetProcessHeap(), 0, dllname ); return status; } } if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH) { /* we need to search for it */ len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part ); if (len) { if (len >= *size) goto overflow; if ((*pwm = find_fullname_module( filename )) || !handle) goto found; if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL )) { RtlFreeHeap( GetProcessHeap(), 0, dllname ); return STATUS_NO_MEMORY; } attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.Attributes = OBJ_CASE_INSENSITIVE; attr.ObjectName = &nt_name; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (NtOpenFile( handle, GENERIC_READ|SYNCHRONIZE, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE )) *handle = 0; goto found; } /* not found */ if (!contains_path( libname )) { /* if libname doesn't contain a path at all, we simply return the name as is, * to be loaded as builtin */ len = strlenW(libname) * sizeof(WCHAR); if (len >= *size) goto overflow; strcpyW( filename, libname ); goto found; } } /* absolute path name, or relative path name but not found above */ if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL )) { RtlFreeHeap( GetProcessHeap(), 0, dllname ); return STATUS_NO_MEMORY; } len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */ if (len >= *size) goto overflow; memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) ); if (!(*pwm = find_fullname_module( filename )) && handle) { attr.Length = sizeof(attr); attr.RootDirectory = 0; attr.Attributes = OBJ_CASE_INSENSITIVE; attr.ObjectName = &nt_name; attr.SecurityDescriptor = NULL; attr.SecurityQualityOfService = NULL; if (NtOpenFile( handle, GENERIC_READ|SYNCHRONIZE, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, FILE_SYNCHRONOUS_IO_NONALERT|FILE_NON_DIRECTORY_FILE )) *handle = 0; } found: RtlFreeUnicodeString( &nt_name ); RtlFreeHeap( GetProcessHeap(), 0, dllname ); return STATUS_SUCCESS; overflow: RtlFreeUnicodeString( &nt_name ); RtlFreeHeap( GetProcessHeap(), 0, dllname ); *size = len + sizeof(WCHAR); return STATUS_BUFFER_TOO_SMALL; } /*********************************************************************** * 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( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm ) { enum loadorder loadorder; WCHAR buffer[64]; WCHAR *filename; ULONG size; WINE_MODREF *main_exe; HANDLE handle = 0; NTSTATUS nts; TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) ); *pwm = NULL; filename = buffer; size = sizeof(buffer); for (;;) { nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle ); if (nts == STATUS_SUCCESS) break; if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename ); if (nts != STATUS_BUFFER_TOO_SMALL) return nts; /* grow the buffer and retry */ if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY; } 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); if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename ); return STATUS_SUCCESS; } main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress ); loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename ); if (handle && is_fake_dll( handle )) { TRACE( "%s is a fake Wine dll\n", debugstr_w(filename) ); NtClose( handle ); handle = 0; } switch(loadorder) { case LO_INVALID: nts = STATUS_NO_MEMORY; break; case LO_DISABLED: nts = STATUS_DLL_NOT_FOUND; break; case LO_NATIVE: case LO_NATIVE_BUILTIN: if (!handle) nts = STATUS_DLL_NOT_FOUND; else { nts = load_native_dll( load_path, filename, handle, flags, pwm ); if (nts == STATUS_INVALID_IMAGE_NOT_MZ) /* not in PE format, maybe it's a builtin */ nts = load_builtin_dll( load_path, filename, handle, flags, pwm ); } if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN) nts = load_builtin_dll( load_path, filename, 0, flags, pwm ); break; case LO_BUILTIN: case LO_BUILTIN_NATIVE: case LO_DEFAULT: /* default is builtin,native */ nts = load_builtin_dll( load_path, filename, handle, flags, pwm ); if (!handle) break; /* nothing else we can try */ /* file is not a builtin library, try without using the specified file */ if (nts != STATUS_SUCCESS) nts = load_builtin_dll( load_path, filename, 0, 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_w(filename) ); LdrUnloadDll( (*pwm)->ldr.BaseAddress ); nts = STATUS_DLL_NOT_FOUND; } if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN) nts = load_native_dll( load_path, filename, handle, flags, pwm ); break; } if (nts == STATUS_SUCCESS) { /* Initialize DLL just loaded */ TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename), ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native", (*pwm)->ldr.BaseAddress); if (handle) NtClose( handle ); if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename ); return nts; } WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts); if (handle) NtClose( handle ); if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename ); 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, 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; WCHAR buffer[128]; WCHAR *filename; ULONG size; WINE_MODREF *wm; RtlEnterCriticalSection( &loader_section ); if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer; filename = buffer; size = sizeof(buffer); for (;;) { status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL ); if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename ); if (status != STATUS_BUFFER_TOO_SMALL) break; /* grow the buffer and retry */ if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) { status = STATUS_NO_MEMORY; break; } } if (status == STATUS_SUCCESS) { if (wm) *base = wm->ldr.BaseAddress; else status = STATUS_DLL_NOT_FOUND; } 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 __x86_64__ 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->Reserved1 = 0; /* FIXME */ sm->Reserved2 = 0; /* FIXME */ sm->ImageBaseAddress = mod->BaseAddress; sm->ImageSize = mod->SizeOfImage; sm->Flags = mod->Flags; sm->Id = id++; sm->Rank = 0; /* FIXME */ sm->Unknown = 0; /* FIXME */ 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 + sizeof(optionsW)/sizeof(WCHAR)]; 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 + sizeof(optionsW)/sizeof(WCHAR), 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, void* 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; FIXME("(%p, %p, %p, %p, %p, 0x%08x), partial stub\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; return dllhook(4, &delayinfo); } /****************************************************************** * 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( 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) wine_dll_unload( wm->ldr.SectionHandle ); 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; } } /****************************************************************** * 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; } /*********************************************************************** * attach_process_dlls * * Initial attach to all the dlls loaded by the process. */ static NTSTATUS attach_process_dlls( void *wm ) { NTSTATUS status; pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL ); RtlEnterCriticalSection( &loader_section ); if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS) { if (last_failed_modref) ERR( "%s failed to initialize, aborting\n", debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 ); return status; } attach_implicitly_loaded_dlls( (LPVOID)1 ); RtlLeaveCriticalSection( &loader_section ); return status; } /*********************************************************************** * 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 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 )) return; query_dword_option( hkey, globalflagW, &NtCurrentTeb()->Peb->NtGlobalFlag ); query_dword_option( hkey, critsectW, &value ); NtCurrentTeb()->Peb->CriticalSectionTimeout.QuadPart = (ULONGLONG)value * -10000000; query_dword_option( hkey, heapresW, &value ); NtCurrentTeb()->Peb->HeapSegmentReserve = value; query_dword_option( hkey, heapcommitW, &value ); NtCurrentTeb()->Peb->HeapSegmentCommit = value; query_dword_option( hkey, decommittotalW, &value ); NtCurrentTeb()->Peb->HeapDeCommitTotalFreeThreshold = value; query_dword_option( hkey, decommitfreeW, &value ); NtCurrentTeb()->Peb->HeapDeCommitFreeBlockThreshold = value; NtClose( hkey ); } /*********************************************************************** * start_process */ static void start_process( void *arg ) { struct start_params *start_params = (struct start_params *)arg; call_thread_entry_point( start_params->kernel_start, start_params->entry ); } /****************************************************************** * LdrInitializeThunk (NTDLL.@) * */ void WINAPI LdrInitializeThunk( void *kernel_start, ULONG_PTR unknown2, ULONG_PTR unknown3, ULONG_PTR unknown4 ) { static const WCHAR globalflagW[] = {'G','l','o','b','a','l','F','l','a','g',0}; NTSTATUS status; WINE_MODREF *wm; LPCWSTR load_path; PEB *peb = NtCurrentTeb()->Peb; struct start_params start_params; if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */ /* allocate the modref for the main exe (if not already done) */ wm = get_modref( peb->ImageBaseAddress ); assert( wm ); if (wm->ldr.Flags & LDR_IMAGE_IS_DLL) { ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) ); exit(1); } peb->LoaderLock = &loader_section; peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName; if (!peb->ProcessParameters->WindowTitle.Buffer) peb->ProcessParameters->WindowTitle = wm->ldr.FullDllName; version_init( wm->ldr.FullDllName.Buffer ); virtual_set_large_address_space(); LdrQueryImageFileExecutionOptions( &peb->ProcessParameters->ImagePathName, globalflagW, REG_DWORD, &peb->NtGlobalFlag, sizeof(peb->NtGlobalFlag), NULL ); /* 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 ); if ((status = virtual_alloc_thread_stack( NtCurrentTeb(), 0, 0 )) != STATUS_SUCCESS) goto error; if ((status = server_init_process_done()) != STATUS_SUCCESS) goto error; actctx_init(); load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer; if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error; heap_set_debug_flags( GetProcessHeap() ); /* Store original entrypoint (in case it gets corrupted) */ start_params.kernel_start = kernel_start; start_params.entry = wm->ldr.EntryPoint; status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase ); if (status != STATUS_SUCCESS) goto error; virtual_release_address_space(); virtual_clear_thread_stack(); wine_switch_to_stack( start_process, &start_params, NtCurrentTeb()->Tib.StackBase ); error: ERR( "Main exe initialization for %s failed, status %x\n", debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status ); NtTerminateProcess( GetCurrentProcess(), status ); } /*********************************************************************** * 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) /* mapped as data file */ { module = (HMODULE)((ULONG_PTR)module & ~1); image = FALSE; } 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; } /*********************************************************************** * 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_init_windows_dir (NTDLL.@) * * Windows and system dir initialization once kernel32 has been loaded. */ void CDECL __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir ) { PLIST_ENTRY mark, entry; LPWSTR buffer, p; strcpyW( user_shared_data->NtSystemRoot, windir ); DIR_init_windows_dir( windir, sysdir ); /* prepend the system dir to the name of the already created modules */ mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList; for (entry = mark->Flink; entry != mark; entry = entry->Flink) { LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList ); assert( mod->Flags & LDR_WINE_INTERNAL ); buffer = RtlAllocateHeap( GetProcessHeap(), 0, system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) ); if (!buffer) continue; strcpyW( buffer, system_dir.Buffer ); p = buffer + strlenW( buffer ); if (p > buffer && p[-1] != '\\') *p++ = '\\'; strcpyW( p, mod->FullDllName.Buffer ); RtlInitUnicodeString( &mod->FullDllName, buffer ); RtlInitUnicodeString( &mod->BaseDllName, p ); } } /*********************************************************************** * __wine_process_init */ void __wine_process_init(void) { static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0}; WINE_MODREF *wm; NTSTATUS status; ANSI_STRING func_name; void (* DECLSPEC_NORETURN CDECL init_func)(void); main_exe_file = thread_init(); /* retrieve current umask */ FILE_umask = umask(0777); umask( FILE_umask ); load_global_options(); /* setup the load callback and create ntdll modref */ wine_dll_set_callback( load_builtin_callback ); if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS) { MESSAGE( "wine: could not load kernel32.dll, status %x\n", status ); exit(1); } RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" ); LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter ); RtlInitAnsiString( &func_name, "__wine_kernel_init" ); if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&init_func )) != STATUS_SUCCESS) { MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status ); exit(1); } init_func(); }