1079 lines
36 KiB
C
1079 lines
36 KiB
C
/*
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* Copyright 1994 Eric Youndale & Erik Bos
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* Copyright 1995 Martin von Löwis
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* Copyright 1996-98 Marcus Meissner
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*
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* based on Eric Youndale's pe-test and:
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*
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* ftp.microsoft.com:/pub/developer/MSDN/CD8/PEFILE.ZIP
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* make that:
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* ftp.microsoft.com:/developr/MSDN/OctCD/PEFILE.ZIP
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*/
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/* Notes:
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* Before you start changing something in this file be aware of the following:
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*
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* - There are several functions called recursively. In a very subtle and
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* obscure way. DLLs can reference each other recursively etc.
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* - If you want to enhance, speed up or clean up something in here, think
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* twice WHY it is implemented in that strange way. There is usually a reason.
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* Though sometimes it might just be lazyness ;)
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* - In PE_MapImage, right before fixup_imports() all external and internal
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* state MUST be correct since this function can be called with the SAME image
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* AGAIN. (Thats recursion for you.) That means MODREF.module and
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* NE_MODULE.module32.
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* - No, you (usually) cannot use Linux mmap() to mmap() the images directly.
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*
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* The problem is, that there is not direct 1:1 mapping from a diskimage and
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* a memoryimage. The headers at the start are mapped linear, but the sections
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* are not. For x86 the sections are 512 byte aligned in file and 4096 byte
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* aligned in memory. Linux likes them 4096 byte aligned in memory (due to
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* x86 pagesize, this cannot be fixed without a rather large kernel rewrite)
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* and 'blocksize' file-aligned (offsets). Since we have 512/1024/2048 (CDROM)
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* and other byte blocksizes, we can't do this. However, this could be less
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* difficult to support... (See mm/filemap.c).
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*/
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#include <errno.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "callback.h"
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#include "file.h"
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#include "heap.h"
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#include "neexe.h"
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#include "peexe.h"
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#include "process.h"
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#include "thread.h"
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#include "pe_image.h"
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#include "module.h"
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#include "global.h"
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#include "task.h"
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#include "snoop.h"
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#include "debugtools.h"
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DECLARE_DEBUG_CHANNEL(delayhlp)
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DECLARE_DEBUG_CHANNEL(fixup)
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DECLARE_DEBUG_CHANNEL(module)
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DECLARE_DEBUG_CHANNEL(relay)
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DECLARE_DEBUG_CHANNEL(segment)
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DECLARE_DEBUG_CHANNEL(win32)
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/* convert PE image VirtualAddress to Real Address */
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#define RVA(x) ((unsigned int)load_addr+(unsigned int)(x))
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#define AdjustPtr(ptr,delta) ((char *)(ptr) + (delta))
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void dump_exports( HMODULE hModule )
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{
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char *Module;
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int i, j;
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u_short *ordinal;
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u_long *function,*functions;
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u_char **name;
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unsigned int load_addr = hModule;
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DWORD rva_start = PE_HEADER(hModule)->OptionalHeader
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.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
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DWORD rva_end = rva_start + PE_HEADER(hModule)->OptionalHeader
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.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size;
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IMAGE_EXPORT_DIRECTORY *pe_exports = (IMAGE_EXPORT_DIRECTORY*)RVA(rva_start);
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Module = (char*)RVA(pe_exports->Name);
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TRACE_(win32)("*******EXPORT DATA*******\n");
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TRACE_(win32)("Module name is %s, %ld functions, %ld names\n",
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Module, pe_exports->NumberOfFunctions, pe_exports->NumberOfNames);
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ordinal=(u_short*) RVA(pe_exports->AddressOfNameOrdinals);
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functions=function=(u_long*) RVA(pe_exports->AddressOfFunctions);
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name=(u_char**) RVA(pe_exports->AddressOfNames);
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TRACE_(win32)(" Ord RVA Addr Name\n" );
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for (i=0;i<pe_exports->NumberOfFunctions;i++, function++)
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{
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if (!*function) continue; /* No such function */
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if (TRACE_ON(win32)){
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dbg_decl_str(win32, 1024);
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dsprintf(win32,"%4ld %08lx %08x",
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i + pe_exports->Base, *function, RVA(*function) );
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/* Check if we have a name for it */
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for (j = 0; j < pe_exports->NumberOfNames; j++)
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if (ordinal[j] == i)
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dsprintf(win32, " %s", (char*)RVA(name[j]) );
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if ((*function >= rva_start) && (*function <= rva_end))
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dsprintf(win32, " (forwarded -> %s)", (char *)RVA(*function));
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TRACE_(win32)("%s\n", dbg_str(win32));
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}
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}
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}
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/* Look up the specified function or ordinal in the exportlist:
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* If it is a string:
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* - look up the name in the Name list.
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* - look up the ordinal with that index.
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* - use the ordinal as offset into the functionlist
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* If it is a ordinal:
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* - use ordinal-pe_export->Base as offset into the functionlist
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*/
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FARPROC PE_FindExportedFunction(
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WINE_MODREF *wm, /* [in] WINE modreference */
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LPCSTR funcName, /* [in] function name */
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BOOL snoop )
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{
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u_short * ordinal;
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u_long * function;
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u_char ** name, *ename;
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int i;
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PE_MODREF *pem = &(wm->binfmt.pe);
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IMAGE_EXPORT_DIRECTORY *exports = pem->pe_export;
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unsigned int load_addr = wm->module;
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u_long rva_start, rva_end, addr;
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char * forward;
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if (HIWORD(funcName))
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TRACE_(win32)("(%s)\n",funcName);
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else
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TRACE_(win32)("(%d)\n",(int)funcName);
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if (!exports) {
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/* Not a fatal problem, some apps do
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* GetProcAddress(0,"RegisterPenApp") which triggers this
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* case.
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*/
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WARN_(win32)("Module %08x(%s)/MODREF %p doesn't have a exports table.\n",wm->module,wm->modname,pem);
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return NULL;
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}
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ordinal = (u_short*) RVA(exports->AddressOfNameOrdinals);
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function= (u_long*) RVA(exports->AddressOfFunctions);
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name = (u_char **) RVA(exports->AddressOfNames);
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forward = NULL;
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rva_start = PE_HEADER(wm->module)->OptionalHeader
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.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
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rva_end = rva_start + PE_HEADER(wm->module)->OptionalHeader
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.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size;
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if (HIWORD(funcName)) {
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for(i=0; i<exports->NumberOfNames; i++) {
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ename=(char*)RVA(*name);
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if(!strcmp(ename,funcName))
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{
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addr = function[*ordinal];
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if (!addr) return NULL;
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if ((addr < rva_start) || (addr >= rva_end))
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return snoop? SNOOP_GetProcAddress(wm->module,ename,*ordinal,(FARPROC)RVA(addr))
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: (FARPROC)RVA(addr);
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forward = (char *)RVA(addr);
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break;
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}
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ordinal++;
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name++;
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}
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} else {
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int i;
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if (LOWORD(funcName)-exports->Base > exports->NumberOfFunctions) {
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TRACE_(win32)(" ordinal %d out of range!\n",
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LOWORD(funcName));
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return NULL;
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}
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addr = function[(int)funcName-exports->Base];
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if (!addr) return NULL;
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ename = "";
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if (name) {
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for (i=0;i<exports->NumberOfNames;i++) {
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ename = (char*)RVA(*name);
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if (*ordinal == LOWORD(funcName)-exports->Base)
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break;
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ordinal++;
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name++;
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}
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if (i==exports->NumberOfNames)
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ename = "";
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}
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if ((addr < rva_start) || (addr >= rva_end))
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return snoop? SNOOP_GetProcAddress(wm->module,ename,(DWORD)funcName-exports->Base,(FARPROC)RVA(addr))
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: (FARPROC)RVA(addr);
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forward = (char *)RVA(addr);
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}
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if (forward)
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{
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WINE_MODREF *wm;
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char module[256];
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char *end = strchr(forward, '.');
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if (!end) return NULL;
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assert(end-forward<256);
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strncpy(module, forward, (end - forward));
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module[end-forward] = 0;
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if (!(wm = MODULE_FindModule( module )))
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{
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ERR_(win32)("module not found for forward '%s'\n", forward );
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return NULL;
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}
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return MODULE_GetProcAddress( wm->module, end + 1, snoop );
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}
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return NULL;
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}
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DWORD fixup_imports( WINE_MODREF *wm )
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{
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IMAGE_IMPORT_DESCRIPTOR *pe_imp;
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PE_MODREF *pem;
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unsigned int load_addr = wm->module;
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int i,characteristics_detection=1;
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char *modname;
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assert(wm->type==MODULE32_PE);
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pem = &(wm->binfmt.pe);
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if (pem->pe_export)
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modname = (char*) RVA(pem->pe_export->Name);
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else
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modname = "<unknown>";
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/* OK, now dump the import list */
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TRACE_(win32)("Dumping imports list\n");
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/* first, count the number of imported non-internal modules */
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pe_imp = pem->pe_import;
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if (!pe_imp) return 0;
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/* We assume that we have at least one import with !0 characteristics and
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* detect broken imports with all characteristsics 0 (notably Borland) and
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* switch the detection off for them.
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*/
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for (i = 0; pe_imp->Name ; pe_imp++) {
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if (!i && !pe_imp->u.Characteristics)
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characteristics_detection = 0;
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if (characteristics_detection && !pe_imp->u.Characteristics)
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break;
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i++;
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}
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if (!i) return 0; /* no imports */
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/* Allocate module dependency list */
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wm->nDeps = i;
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wm->deps = HeapAlloc( GetProcessHeap(), 0, i*sizeof(WINE_MODREF *) );
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/* load the imported modules. They are automatically
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* added to the modref list of the process.
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*/
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for (i = 0, pe_imp = pem->pe_import; pe_imp->Name ; pe_imp++) {
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WINE_MODREF *wmImp;
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IMAGE_IMPORT_BY_NAME *pe_name;
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PIMAGE_THUNK_DATA import_list,thunk_list;
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char *name = (char *) RVA(pe_imp->Name);
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if (characteristics_detection && !pe_imp->u.Characteristics)
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break;
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/* don't use MODULE_Load, Win32 creates new task differently */
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wmImp = MODULE_LoadLibraryExA( name, 0, 0 );
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if (!wmImp) {
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char *p,buffer[2000];
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/* GetModuleFileName would use the wrong process, so don't use it */
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strcpy(buffer,wm->shortname);
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if (!(p = strrchr (buffer, '\\')))
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p = buffer;
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strcpy (p + 1, name);
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wmImp = MODULE_LoadLibraryExA( buffer, 0, 0 );
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}
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if (!wmImp) {
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ERR_(module)("Module %s not found\n", name);
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return 1;
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}
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wm->deps[i++] = wmImp;
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/* FIXME: forwarder entries ... */
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if (pe_imp->u.OriginalFirstThunk != 0) { /* original MS style */
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TRACE_(win32)("Microsoft style imports used\n");
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import_list =(PIMAGE_THUNK_DATA) RVA(pe_imp->u.OriginalFirstThunk);
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thunk_list = (PIMAGE_THUNK_DATA) RVA(pe_imp->FirstThunk);
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while (import_list->u1.Ordinal) {
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if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal)) {
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int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
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TRACE_(win32)("--- Ordinal %s,%d\n", name, ordinal);
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thunk_list->u1.Function=MODULE_GetProcAddress(
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wmImp->module, (LPCSTR)ordinal, TRUE
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);
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if (!thunk_list->u1.Function) {
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ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
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name, ordinal);
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thunk_list->u1.Function = (FARPROC)0xdeadbeef;
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}
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} else { /* import by name */
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pe_name = (PIMAGE_IMPORT_BY_NAME)RVA(import_list->u1.AddressOfData);
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TRACE_(win32)("--- %s %s.%d\n", pe_name->Name, name, pe_name->Hint);
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thunk_list->u1.Function=MODULE_GetProcAddress(
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wmImp->module, pe_name->Name, TRUE
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);
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if (!thunk_list->u1.Function) {
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ERR_(win32)("No implementation for %s.%d(%s), setting to 0xdeadbeef\n",
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name,pe_name->Hint,pe_name->Name);
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thunk_list->u1.Function = (FARPROC)0xdeadbeef;
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}
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}
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import_list++;
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thunk_list++;
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}
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} else { /* Borland style */
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TRACE_(win32)("Borland style imports used\n");
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thunk_list = (PIMAGE_THUNK_DATA) RVA(pe_imp->FirstThunk);
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while (thunk_list->u1.Ordinal) {
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if (IMAGE_SNAP_BY_ORDINAL(thunk_list->u1.Ordinal)) {
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/* not sure about this branch, but it seems to work */
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int ordinal = IMAGE_ORDINAL(thunk_list->u1.Ordinal);
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TRACE_(win32)("--- Ordinal %s.%d\n",name,ordinal);
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thunk_list->u1.Function=MODULE_GetProcAddress(
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wmImp->module, (LPCSTR) ordinal, TRUE
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);
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if (!thunk_list->u1.Function) {
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ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
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name,ordinal);
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thunk_list->u1.Function = (FARPROC)0xdeadbeef;
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}
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} else {
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pe_name=(PIMAGE_IMPORT_BY_NAME) RVA(thunk_list->u1.AddressOfData);
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TRACE_(win32)("--- %s %s.%d\n",
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pe_name->Name,name,pe_name->Hint);
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thunk_list->u1.Function=MODULE_GetProcAddress(
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wmImp->module, pe_name->Name, TRUE
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);
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if (!thunk_list->u1.Function) {
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ERR_(win32)("No implementation for %s.%d, setting to 0xdeadbeef\n",
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name, pe_name->Hint);
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thunk_list->u1.Function = (FARPROC)0xdeadbeef;
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}
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}
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thunk_list++;
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}
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}
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}
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return 0;
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}
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static int calc_vma_size( HMODULE hModule )
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{
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int i,vma_size = 0;
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IMAGE_SECTION_HEADER *pe_seg = PE_SECTIONS(hModule);
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TRACE_(win32)("Dump of segment table\n");
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TRACE_(win32)(" Name VSz Vaddr SzRaw Fileadr *Reloc *Lineum #Reloc #Linum Char\n");
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for (i = 0; i< PE_HEADER(hModule)->FileHeader.NumberOfSections; i++)
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{
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TRACE_(win32)("%8s: %4.4lx %8.8lx %8.8lx %8.8lx %8.8lx %8.8lx %4.4x %4.4x %8.8lx\n",
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pe_seg->Name,
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pe_seg->Misc.VirtualSize,
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pe_seg->VirtualAddress,
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pe_seg->SizeOfRawData,
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pe_seg->PointerToRawData,
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pe_seg->PointerToRelocations,
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pe_seg->PointerToLinenumbers,
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pe_seg->NumberOfRelocations,
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pe_seg->NumberOfLinenumbers,
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pe_seg->Characteristics);
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vma_size=MAX(vma_size, pe_seg->VirtualAddress+pe_seg->SizeOfRawData);
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vma_size=MAX(vma_size, pe_seg->VirtualAddress+pe_seg->Misc.VirtualSize);
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pe_seg++;
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}
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return vma_size;
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}
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static void do_relocations( unsigned int load_addr, IMAGE_BASE_RELOCATION *r )
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{
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int delta = load_addr - PE_HEADER(load_addr)->OptionalHeader.ImageBase;
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int hdelta = (delta >> 16) & 0xFFFF;
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int ldelta = delta & 0xFFFF;
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if(delta == 0)
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/* Nothing to do */
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return;
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while(r->VirtualAddress)
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{
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char *page = (char*) RVA(r->VirtualAddress);
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int count = (r->SizeOfBlock - 8)/2;
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int i;
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TRACE_(fixup)("%x relocations for page %lx\n",
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count, r->VirtualAddress);
|
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/* patching in reverse order */
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for(i=0;i<count;i++)
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{
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int offset = r->TypeOffset[i] & 0xFFF;
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int type = r->TypeOffset[i] >> 12;
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TRACE_(fixup)("patching %x type %x\n", offset, type);
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switch(type)
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{
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case IMAGE_REL_BASED_ABSOLUTE: break;
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case IMAGE_REL_BASED_HIGH:
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|
*(short*)(page+offset) += hdelta;
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break;
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case IMAGE_REL_BASED_LOW:
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*(short*)(page+offset) += ldelta;
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break;
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case IMAGE_REL_BASED_HIGHLOW:
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#if 1
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*(int*)(page+offset) += delta;
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|
#else
|
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{ int h=*(unsigned short*)(page+offset);
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int l=r->TypeOffset[++i];
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*(unsigned int*)(page + offset) = (h<<16) + l + delta;
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}
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#endif
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break;
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case IMAGE_REL_BASED_HIGHADJ:
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FIXME_(win32)("Don't know what to do with IMAGE_REL_BASED_HIGHADJ\n");
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break;
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case IMAGE_REL_BASED_MIPS_JMPADDR:
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FIXME_(win32)("Is this a MIPS machine ???\n");
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break;
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default:
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FIXME_(win32)("Unknown fixup type\n");
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break;
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}
|
|
}
|
|
r = (IMAGE_BASE_RELOCATION*)((char*)r + r->SizeOfBlock);
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}
|
|
}
|
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|
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|
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/**********************************************************************
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|
* PE_LoadImage
|
|
* Load one PE format DLL/EXE into memory
|
|
*
|
|
* Unluckily we can't just mmap the sections where we want them, for
|
|
* (at least) Linux does only support offsets which are page-aligned.
|
|
*
|
|
* BUT we have to map the whole image anyway, for Win32 programs sometimes
|
|
* want to access them. (HMODULE32 point to the start of it)
|
|
*/
|
|
HMODULE PE_LoadImage( HFILE hFile, OFSTRUCT *ofs, LPCSTR *modName )
|
|
{
|
|
HMODULE hModule;
|
|
HANDLE mapping;
|
|
|
|
IMAGE_NT_HEADERS *nt;
|
|
IMAGE_SECTION_HEADER *pe_sec;
|
|
IMAGE_DATA_DIRECTORY *dir;
|
|
BY_HANDLE_FILE_INFORMATION bhfi;
|
|
int i, rawsize, lowest_va, lowest_fa, vma_size, file_size = 0;
|
|
DWORD load_addr, aoep, reloc = 0;
|
|
|
|
/* Retrieve file size */
|
|
if ( GetFileInformationByHandle( hFile, &bhfi ) )
|
|
file_size = bhfi.nFileSizeLow; /* FIXME: 64 bit */
|
|
|
|
/* Map the PE file somewhere */
|
|
mapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY | SEC_COMMIT,
|
|
0, 0, NULL );
|
|
if (!mapping)
|
|
{
|
|
WARN_(win32)("CreateFileMapping error %ld\n", GetLastError() );
|
|
return 0;
|
|
}
|
|
hModule = (HMODULE)MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 0 );
|
|
CloseHandle( mapping );
|
|
if (!hModule)
|
|
{
|
|
WARN_(win32)("MapViewOfFile error %ld\n", GetLastError() );
|
|
return 0;
|
|
}
|
|
nt = PE_HEADER( hModule );
|
|
|
|
/* Check signature */
|
|
if ( nt->Signature != IMAGE_NT_SIGNATURE )
|
|
{
|
|
WARN_(win32)("image doesn't have PE signature, but 0x%08lx\n",
|
|
nt->Signature );
|
|
goto error;
|
|
}
|
|
|
|
/* Check architecture */
|
|
if ( nt->FileHeader.Machine != IMAGE_FILE_MACHINE_I386 )
|
|
{
|
|
MESSAGE("Trying to load PE image for unsupported architecture (");
|
|
switch (nt->FileHeader.Machine)
|
|
{
|
|
case IMAGE_FILE_MACHINE_UNKNOWN: MESSAGE("Unknown"); break;
|
|
case IMAGE_FILE_MACHINE_I860: MESSAGE("I860"); break;
|
|
case IMAGE_FILE_MACHINE_R3000: MESSAGE("R3000"); break;
|
|
case IMAGE_FILE_MACHINE_R4000: MESSAGE("R4000"); break;
|
|
case IMAGE_FILE_MACHINE_R10000: MESSAGE("R10000"); break;
|
|
case IMAGE_FILE_MACHINE_ALPHA: MESSAGE("Alpha"); break;
|
|
case IMAGE_FILE_MACHINE_POWERPC: MESSAGE("PowerPC"); break;
|
|
default: MESSAGE("Unknown-%04x", nt->FileHeader.Machine); break;
|
|
}
|
|
MESSAGE(")\n");
|
|
goto error;
|
|
}
|
|
|
|
/* Find out how large this executeable should be */
|
|
pe_sec = PE_SECTIONS( hModule );
|
|
rawsize = 0; lowest_va = 0x10000; lowest_fa = 0x10000;
|
|
for (i = 0; i < nt->FileHeader.NumberOfSections; i++)
|
|
{
|
|
if (lowest_va > pe_sec[i].VirtualAddress)
|
|
lowest_va = pe_sec[i].VirtualAddress;
|
|
if (pe_sec[i].Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
|
|
continue;
|
|
if (pe_sec[i].PointerToRawData < lowest_fa)
|
|
lowest_fa = pe_sec[i].PointerToRawData;
|
|
if (pe_sec[i].PointerToRawData+pe_sec[i].SizeOfRawData > rawsize)
|
|
rawsize = pe_sec[i].PointerToRawData+pe_sec[i].SizeOfRawData;
|
|
}
|
|
|
|
/* Check file size */
|
|
if ( file_size && file_size < rawsize )
|
|
{
|
|
ERR_(win32)("PE module is too small (header: %d, filesize: %d), "
|
|
"probably truncated download?\n",
|
|
rawsize, file_size );
|
|
goto error;
|
|
}
|
|
|
|
/* Check entrypoint address */
|
|
aoep = nt->OptionalHeader.AddressOfEntryPoint;
|
|
if (aoep && (aoep < lowest_va))
|
|
FIXME_(win32)("WARNING: '%s' has an invalid entrypoint (0x%08lx) "
|
|
"below the first virtual address (0x%08x) "
|
|
"(possible Virus Infection or broken binary)!\n",
|
|
ofs->szPathName, aoep, lowest_va );
|
|
|
|
|
|
/* FIXME: Hack! While we don't really support shared sections yet,
|
|
* this checks for those special cases where the whole DLL
|
|
* consists only of shared sections and is mapped into the
|
|
* shared address space > 2GB. In this case, we assume that
|
|
* the module got mapped at its base address. Thus we simply
|
|
* check whether the module has actually been mapped there
|
|
* and use it, if so. This is needed to get Win95 USER32.DLL
|
|
* to work (until we support shared sections properly).
|
|
*/
|
|
|
|
if ( nt->OptionalHeader.ImageBase & 0x80000000 )
|
|
{
|
|
HMODULE sharedMod = (HMODULE)nt->OptionalHeader.ImageBase;
|
|
IMAGE_NT_HEADERS *sharedNt = (PIMAGE_NT_HEADERS)
|
|
( (LPBYTE)sharedMod + ((LPBYTE)nt - (LPBYTE)hModule) );
|
|
|
|
/* Well, this check is not really comprehensive,
|
|
but should be good enough for now ... */
|
|
if ( !IsBadReadPtr( (LPBYTE)sharedMod, sizeof(IMAGE_DOS_HEADER) )
|
|
&& memcmp( (LPBYTE)sharedMod, (LPBYTE)hModule, sizeof(IMAGE_DOS_HEADER) ) == 0
|
|
&& !IsBadReadPtr( sharedNt, sizeof(IMAGE_NT_HEADERS) )
|
|
&& memcmp( sharedNt, nt, sizeof(IMAGE_NT_HEADERS) ) == 0 )
|
|
{
|
|
UnmapViewOfFile( (LPVOID)hModule );
|
|
return sharedMod;
|
|
}
|
|
}
|
|
|
|
|
|
/* Allocate memory for module */
|
|
load_addr = nt->OptionalHeader.ImageBase;
|
|
vma_size = calc_vma_size( hModule );
|
|
|
|
load_addr = (DWORD)VirtualAlloc( (void*)load_addr, vma_size,
|
|
MEM_RESERVE | MEM_COMMIT,
|
|
PAGE_EXECUTE_READWRITE );
|
|
if (load_addr == 0)
|
|
{
|
|
/* We need to perform base relocations */
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_BASERELOC;
|
|
if (dir->Size)
|
|
reloc = dir->VirtualAddress;
|
|
else
|
|
{
|
|
FIXME_(win32)(
|
|
"FATAL: Need to relocate %s, but no relocation records present (%s). Try to run that file directly !\n",
|
|
ofs->szPathName,
|
|
(nt->FileHeader.Characteristics&IMAGE_FILE_RELOCS_STRIPPED)?
|
|
"stripped during link" : "unknown reason" );
|
|
goto error;
|
|
}
|
|
|
|
/* FIXME: If we need to relocate a system DLL (base > 2GB) we should
|
|
* really make sure that the *new* base address is also > 2GB.
|
|
* Some DLLs really check the MSB of the module handle :-/
|
|
*/
|
|
if ( nt->OptionalHeader.ImageBase & 0x80000000 )
|
|
ERR_(win32)( "Forced to relocate system DLL (base > 2GB). This is not good.\n" );
|
|
|
|
load_addr = (DWORD)VirtualAlloc( NULL, vma_size,
|
|
MEM_RESERVE | MEM_COMMIT,
|
|
PAGE_EXECUTE_READWRITE );
|
|
}
|
|
|
|
TRACE_(win32)("Load addr is %lx (base %lx), range %x\n",
|
|
load_addr, nt->OptionalHeader.ImageBase, vma_size );
|
|
TRACE_(segment)("Loading %s at %lx, range %x\n",
|
|
ofs->szPathName, load_addr, vma_size );
|
|
|
|
/* Store the NT header at the load addr */
|
|
*(PIMAGE_DOS_HEADER)load_addr = *(PIMAGE_DOS_HEADER)hModule;
|
|
*PE_HEADER( load_addr ) = *nt;
|
|
memcpy( PE_SECTIONS(load_addr), PE_SECTIONS(hModule),
|
|
sizeof(IMAGE_SECTION_HEADER) * nt->FileHeader.NumberOfSections );
|
|
#if 0
|
|
/* Copies all stuff up to the first section. Including win32 viruses. */
|
|
memcpy( load_addr, hModule, lowest_fa );
|
|
#endif
|
|
|
|
/* Copy sections into module image */
|
|
pe_sec = PE_SECTIONS( hModule );
|
|
for (i = 0; i < nt->FileHeader.NumberOfSections; i++, pe_sec++)
|
|
{
|
|
/* memcpy only non-BSS segments */
|
|
/* FIXME: this should be done by mmap(..MAP_PRIVATE|MAP_FIXED..)
|
|
* but it is not possible for (at least) Linux needs
|
|
* a page-aligned offset.
|
|
*/
|
|
if(!(pe_sec->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA))
|
|
memcpy((char*)RVA(pe_sec->VirtualAddress),
|
|
(char*)(hModule + pe_sec->PointerToRawData),
|
|
pe_sec->SizeOfRawData);
|
|
#if 0
|
|
/* not needed, memory is zero */
|
|
if(strcmp(pe_sec->Name, ".bss") == 0)
|
|
memset((void *)RVA(pe_sec->VirtualAddress), 0,
|
|
pe_sec->Misc.VirtualSize ?
|
|
pe_sec->Misc.VirtualSize :
|
|
pe_sec->SizeOfRawData);
|
|
#endif
|
|
}
|
|
|
|
/* Perform base relocation, if necessary */
|
|
if ( reloc )
|
|
do_relocations( load_addr, (IMAGE_BASE_RELOCATION *)RVA(reloc) );
|
|
|
|
/* Get module name */
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXPORT;
|
|
if (dir->Size)
|
|
*modName = (LPCSTR)RVA(((PIMAGE_EXPORT_DIRECTORY)RVA(dir->VirtualAddress))->Name);
|
|
|
|
/* We don't need the orignal mapping any more */
|
|
UnmapViewOfFile( (LPVOID)hModule );
|
|
return (HMODULE)load_addr;
|
|
|
|
error:
|
|
UnmapViewOfFile( (LPVOID)hModule );
|
|
return 0;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* PE_CreateModule
|
|
*
|
|
* Create WINE_MODREF structure for loaded HMODULE32, link it into
|
|
* process modref_list, and fixup all imports.
|
|
*
|
|
* Note: hModule must point to a correctly allocated PE image,
|
|
* with base relocations applied; the 16-bit dummy module
|
|
* associated to hModule must already exist.
|
|
*
|
|
* Note: This routine must always be called in the context of the
|
|
* process that is to own the module to be created.
|
|
*/
|
|
WINE_MODREF *PE_CreateModule( HMODULE hModule,
|
|
OFSTRUCT *ofs, DWORD flags, BOOL builtin )
|
|
{
|
|
DWORD load_addr = (DWORD)hModule; /* for RVA */
|
|
IMAGE_NT_HEADERS *nt = PE_HEADER(hModule);
|
|
IMAGE_DATA_DIRECTORY *dir;
|
|
IMAGE_IMPORT_DESCRIPTOR *pe_import = NULL;
|
|
IMAGE_EXPORT_DIRECTORY *pe_export = NULL;
|
|
IMAGE_RESOURCE_DIRECTORY *pe_resource = NULL;
|
|
WINE_MODREF *wm;
|
|
int result;
|
|
char *modname;
|
|
|
|
|
|
/* Retrieve DataDirectory entries */
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXPORT;
|
|
if (dir->Size)
|
|
pe_export = (PIMAGE_EXPORT_DIRECTORY)RVA(dir->VirtualAddress);
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_IMPORT;
|
|
if (dir->Size)
|
|
pe_import = (PIMAGE_IMPORT_DESCRIPTOR)RVA(dir->VirtualAddress);
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_RESOURCE;
|
|
if (dir->Size)
|
|
pe_resource = (PIMAGE_RESOURCE_DIRECTORY)RVA(dir->VirtualAddress);
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_EXCEPTION;
|
|
if (dir->Size) FIXME_(win32)("Exception directory ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_SECURITY;
|
|
if (dir->Size) FIXME_(win32)("Security directory ignored\n" );
|
|
|
|
/* IMAGE_DIRECTORY_ENTRY_BASERELOC handled in PE_LoadImage */
|
|
/* IMAGE_DIRECTORY_ENTRY_DEBUG handled by debugger */
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_DEBUG;
|
|
if (dir->Size) TRACE_(win32)("Debug directory ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_COPYRIGHT;
|
|
if (dir->Size) FIXME_(win32)("Copyright string ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_GLOBALPTR;
|
|
if (dir->Size) FIXME_(win32)("Global Pointer (MIPS) ignored\n" );
|
|
|
|
/* IMAGE_DIRECTORY_ENTRY_TLS handled in PE_TlsInit */
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG;
|
|
if (dir->Size) FIXME_(win32)("Load Configuration directory ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT;
|
|
if (dir->Size) TRACE_(win32)("Bound Import directory ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_IAT;
|
|
if (dir->Size) TRACE_(win32)("Import Address Table directory ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT;
|
|
if (dir->Size)
|
|
{
|
|
TRACE_(win32)("Delayed import, stub calls LoadLibrary\n" );
|
|
/*
|
|
* Nothing to do here.
|
|
*/
|
|
|
|
#ifdef ImgDelayDescr
|
|
/*
|
|
* This code is useful to observe what the heck is going on.
|
|
*/
|
|
{
|
|
ImgDelayDescr *pe_delay = NULL;
|
|
pe_delay = (PImgDelayDescr)RVA(dir->VirtualAddress);
|
|
TRACE_(delayhlp)("pe_delay->grAttrs = %08x\n", pe_delay->grAttrs);
|
|
TRACE_(delayhlp)("pe_delay->szName = %s\n", pe_delay->szName);
|
|
TRACE_(delayhlp)("pe_delay->phmod = %08x\n", pe_delay->phmod);
|
|
TRACE_(delayhlp)("pe_delay->pIAT = %08x\n", pe_delay->pIAT);
|
|
TRACE_(delayhlp)("pe_delay->pINT = %08x\n", pe_delay->pINT);
|
|
TRACE_(delayhlp)("pe_delay->pBoundIAT = %08x\n", pe_delay->pBoundIAT);
|
|
TRACE_(delayhlp)("pe_delay->pUnloadIAT = %08x\n", pe_delay->pUnloadIAT);
|
|
TRACE_(delayhlp)("pe_delay->dwTimeStamp = %08x\n", pe_delay->dwTimeStamp);
|
|
}
|
|
#endif /* ImgDelayDescr */
|
|
}
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR;
|
|
if (dir->Size) FIXME_(win32)("Unknown directory 14 ignored\n" );
|
|
|
|
dir = nt->OptionalHeader.DataDirectory+15;
|
|
if (dir->Size) FIXME_(win32)("Unknown directory 15 ignored\n" );
|
|
|
|
|
|
/* Allocate and fill WINE_MODREF */
|
|
|
|
wm = (WINE_MODREF *)HeapAlloc( GetProcessHeap(),
|
|
HEAP_ZERO_MEMORY, sizeof(*wm) );
|
|
wm->module = hModule;
|
|
|
|
if ( builtin )
|
|
wm->flags |= WINE_MODREF_INTERNAL;
|
|
if ( flags & DONT_RESOLVE_DLL_REFERENCES )
|
|
wm->flags |= WINE_MODREF_DONT_RESOLVE_REFS;
|
|
if ( flags & LOAD_LIBRARY_AS_DATAFILE )
|
|
wm->flags |= WINE_MODREF_LOAD_AS_DATAFILE;
|
|
|
|
wm->type = MODULE32_PE;
|
|
wm->binfmt.pe.pe_export = pe_export;
|
|
wm->binfmt.pe.pe_import = pe_import;
|
|
wm->binfmt.pe.pe_resource = pe_resource;
|
|
wm->binfmt.pe.tlsindex = -1;
|
|
|
|
if ( pe_export )
|
|
modname = (char *)RVA( pe_export->Name );
|
|
else
|
|
{
|
|
/* try to find out the name from the OFSTRUCT */
|
|
char *s;
|
|
modname = ofs->szPathName;
|
|
if ((s=strrchr(modname,'\\'))) modname = s+1;
|
|
}
|
|
wm->modname = HEAP_strdupA( GetProcessHeap(), 0, modname );
|
|
|
|
result = GetLongPathNameA( ofs->szPathName, NULL, 0 );
|
|
wm->longname = (char *)HeapAlloc( GetProcessHeap(), 0, result+1 );
|
|
GetLongPathNameA( ofs->szPathName, wm->longname, result+1 );
|
|
|
|
wm->shortname = HEAP_strdupA( GetProcessHeap(), 0, ofs->szPathName );
|
|
|
|
/* Link MODREF into process list */
|
|
|
|
EnterCriticalSection( &PROCESS_Current()->crit_section );
|
|
|
|
wm->next = PROCESS_Current()->modref_list;
|
|
PROCESS_Current()->modref_list = wm;
|
|
if ( wm->next ) wm->next->prev = wm;
|
|
|
|
if ( !(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) )
|
|
{
|
|
if ( PROCESS_Current()->exe_modref )
|
|
FIXME_(win32)("overwriting old exe_modref... arrgh\n" );
|
|
PROCESS_Current()->exe_modref = wm;
|
|
}
|
|
|
|
LeaveCriticalSection( &PROCESS_Current()->crit_section );
|
|
|
|
|
|
/* Dump Exports */
|
|
|
|
if ( pe_export )
|
|
dump_exports( hModule );
|
|
|
|
/* Fixup Imports */
|
|
|
|
if ( pe_import && fixup_imports( wm )
|
|
&& !( wm->flags & WINE_MODREF_LOAD_AS_DATAFILE )
|
|
&& !( wm->flags & WINE_MODREF_DONT_RESOLVE_REFS ) )
|
|
{
|
|
/* remove entry from modref chain */
|
|
EnterCriticalSection( &PROCESS_Current()->crit_section );
|
|
|
|
if ( !wm->prev )
|
|
PROCESS_Current()->modref_list = wm->next;
|
|
else
|
|
wm->prev->next = wm->next;
|
|
|
|
if ( wm->next ) wm->next->prev = wm->prev;
|
|
wm->next = wm->prev = NULL;
|
|
|
|
LeaveCriticalSection( &PROCESS_Current()->crit_section );
|
|
|
|
/* 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 it them lying
|
|
* around with no problems, so we don't care.
|
|
* As these might reference our wm, we don't free it.
|
|
*/
|
|
return NULL;
|
|
}
|
|
|
|
return wm;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* The PE Library Loader frontend.
|
|
* FIXME: handle the flags.
|
|
*/
|
|
WINE_MODREF *PE_LoadLibraryExA (LPCSTR name, DWORD flags, DWORD *err)
|
|
{
|
|
LPCSTR modName = NULL;
|
|
OFSTRUCT ofs;
|
|
HMODULE hModule32;
|
|
HMODULE16 hModule16;
|
|
NE_MODULE *pModule;
|
|
WINE_MODREF *wm;
|
|
char dllname[256], *p;
|
|
HFILE hFile;
|
|
|
|
/* Append .DLL to name if no extension present */
|
|
strcpy( dllname, name );
|
|
if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
|
|
strcat( dllname, ".DLL" );
|
|
|
|
/* Load PE module */
|
|
hFile = OpenFile( dllname, &ofs, OF_READ | OF_SHARE_DENY_WRITE );
|
|
if ( hFile != HFILE_ERROR )
|
|
{
|
|
hModule32 = PE_LoadImage( hFile, &ofs, &modName );
|
|
CloseHandle( hFile );
|
|
if(!hModule32)
|
|
{
|
|
*err = ERROR_OUTOFMEMORY; /* Not entirely right, but good enough */
|
|
return NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*err = ERROR_FILE_NOT_FOUND;
|
|
return NULL;
|
|
}
|
|
|
|
/* Create 16-bit dummy module */
|
|
if ((hModule16 = MODULE_CreateDummyModule( &ofs, modName )) < 32)
|
|
{
|
|
*err = (DWORD)hModule16; /* This should give the correct error */
|
|
return NULL;
|
|
}
|
|
pModule = (NE_MODULE *)GlobalLock16( hModule16 );
|
|
pModule->flags = NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA | NE_FFLAGS_WIN32;
|
|
pModule->module32 = hModule32;
|
|
|
|
/* Create 32-bit MODREF */
|
|
if ( !(wm = PE_CreateModule( hModule32, &ofs, flags, FALSE )) )
|
|
{
|
|
ERR_(win32)("can't load %s\n",ofs.szPathName);
|
|
FreeLibrary16( hModule16 );
|
|
*err = ERROR_OUTOFMEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
if (wm->binfmt.pe.pe_export)
|
|
SNOOP_RegisterDLL(wm->module,wm->modname,wm->binfmt.pe.pe_export->NumberOfFunctions);
|
|
|
|
*err = 0;
|
|
return wm;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
* PE_UnloadLibrary
|
|
*
|
|
* Unload the library unmapping the image and freeing the modref structure.
|
|
*/
|
|
void PE_UnloadLibrary(WINE_MODREF *wm)
|
|
{
|
|
/* FIXME, do something here */
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Load the PE main .EXE. All other loading is done by PE_LoadLibraryExA
|
|
* FIXME: this function should use PE_LoadLibraryExA, but currently can't
|
|
* due to the PROCESS_Create stuff.
|
|
*/
|
|
BOOL PE_CreateProcess( HFILE hFile, OFSTRUCT *ofs, LPCSTR cmd_line, LPCSTR env,
|
|
LPSECURITY_ATTRIBUTES psa, LPSECURITY_ATTRIBUTES tsa,
|
|
BOOL inherit, DWORD flags, LPSTARTUPINFOA startup,
|
|
LPPROCESS_INFORMATION info )
|
|
{
|
|
LPCSTR modName = NULL;
|
|
HMODULE16 hModule16;
|
|
HMODULE hModule32;
|
|
NE_MODULE *pModule;
|
|
|
|
/* Load file */
|
|
if ( (hModule32 = PE_LoadImage( hFile, ofs, &modName )) < 32 )
|
|
{
|
|
SetLastError( hModule32 );
|
|
return FALSE;
|
|
}
|
|
#if 0
|
|
if (PE_HEADER(hModule32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
|
|
{
|
|
SetLastError( 20 ); /* FIXME: not the right error code */
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
/* Create 16-bit dummy module */
|
|
if ( (hModule16 = MODULE_CreateDummyModule( ofs, modName )) < 32 )
|
|
{
|
|
SetLastError( hModule16 );
|
|
return FALSE;
|
|
}
|
|
pModule = (NE_MODULE *)GlobalLock16( hModule16 );
|
|
pModule->flags = NE_FFLAGS_WIN32;
|
|
pModule->module32 = hModule32;
|
|
|
|
/* Create new process */
|
|
if ( !PROCESS_Create( pModule, cmd_line, env,
|
|
psa, tsa, inherit, flags, startup, info ) )
|
|
return FALSE;
|
|
|
|
/* Note: PE_CreateModule and the remaining process initialization will
|
|
be done in the context of the new process, in TASK_CallToStart */
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* PE_UnloadImage [internal]
|
|
*/
|
|
int PE_UnloadImage( HMODULE hModule )
|
|
{
|
|
FIXME_(win32)("stub.\n");
|
|
/* free resources, image, unmap */
|
|
return 1;
|
|
}
|
|
|
|
/* Called if the library is loaded or freed.
|
|
* NOTE: if a thread attaches a DLL, the current thread will only do
|
|
* DLL_PROCESS_ATTACH. Only new created threads do DLL_THREAD_ATTACH
|
|
* (SDK)
|
|
*/
|
|
BOOL PE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
|
|
{
|
|
BOOL retv = TRUE;
|
|
assert( wm->type == MODULE32_PE );
|
|
|
|
/* Is this a library? And has it got an entrypoint? */
|
|
if ((PE_HEADER(wm->module)->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
|
|
(PE_HEADER(wm->module)->OptionalHeader.AddressOfEntryPoint)
|
|
) {
|
|
DLLENTRYPROC entry = (void*)RVA_PTR( wm->module,OptionalHeader.AddressOfEntryPoint );
|
|
TRACE_(relay)("CallTo32(entryproc=%p,module=%08x,type=%ld,res=%p)\n",
|
|
entry, wm->module, type, lpReserved );
|
|
|
|
retv = entry( wm->module, type, lpReserved );
|
|
}
|
|
|
|
return retv;
|
|
}
|
|
|
|
/************************************************************************
|
|
* PE_InitTls (internal)
|
|
*
|
|
* If included, initialises the thread local storages of modules.
|
|
* Pointers in those structs are not RVAs but real pointers which have been
|
|
* relocated by do_relocations() already.
|
|
*/
|
|
void PE_InitTls( void )
|
|
{
|
|
WINE_MODREF *wm;
|
|
PE_MODREF *pem;
|
|
IMAGE_NT_HEADERS *peh;
|
|
DWORD size,datasize;
|
|
LPVOID mem;
|
|
PIMAGE_TLS_DIRECTORY pdir;
|
|
int delta;
|
|
|
|
for (wm = PROCESS_Current()->modref_list;wm;wm=wm->next) {
|
|
if (wm->type!=MODULE32_PE)
|
|
continue;
|
|
pem = &(wm->binfmt.pe);
|
|
peh = PE_HEADER(wm->module);
|
|
delta = wm->module - peh->OptionalHeader.ImageBase;
|
|
if (!peh->OptionalHeader.DataDirectory[IMAGE_FILE_THREAD_LOCAL_STORAGE].VirtualAddress)
|
|
continue;
|
|
pdir = (LPVOID)(wm->module + peh->OptionalHeader.
|
|
DataDirectory[IMAGE_FILE_THREAD_LOCAL_STORAGE].VirtualAddress);
|
|
|
|
|
|
if ( pem->tlsindex == -1 ) {
|
|
pem->tlsindex = TlsAlloc();
|
|
*pdir->AddressOfIndex=pem->tlsindex;
|
|
}
|
|
datasize= pdir->EndAddressOfRawData-pdir->StartAddressOfRawData;
|
|
size = datasize + pdir->SizeOfZeroFill;
|
|
mem=VirtualAlloc(0,size,MEM_RESERVE|MEM_COMMIT,PAGE_READWRITE);
|
|
memcpy(mem,(LPVOID)pdir->StartAddressOfRawData,datasize);
|
|
if (pdir->AddressOfCallBacks) {
|
|
PIMAGE_TLS_CALLBACK *cbs =
|
|
(PIMAGE_TLS_CALLBACK *)pdir->AddressOfCallBacks;
|
|
|
|
if (*cbs)
|
|
FIXME_(win32)("TLS Callbacks aren't going to be called\n");
|
|
}
|
|
|
|
TlsSetValue( pem->tlsindex, mem );
|
|
}
|
|
}
|
|
|