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setupapi: Copy the complete resource tree into the fake dlls.

This commit is contained in:
Alexandre Julliard 2006-04-03 14:03:08 +02:00
parent f360e75ca4
commit 605574bebf
1 changed files with 56 additions and 67 deletions
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123
dlls/setupapi/fakedll.c
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@ -95,87 +95,76 @@ static inline void add_directory( struct dll_info *info, unsigned int idx, DWORD
info->nt->OptionalHeader.DataDirectory[idx].Size = size;
}
/* find the limits of the resource data */
static void get_resource_data( const IMAGE_RESOURCE_DIRECTORY *dir, const BYTE *root,
DWORD *rva_start, DWORD *rva_end )
{
const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
int i;
entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
for (i = 0; i < dir->NumberOfNamedEntries + dir->NumberOfIdEntries; i++, entry++)
{
const void *ptr = root + entry->u2.s3.OffsetToDirectory;
if (entry->u2.s3.DataIsDirectory) get_resource_data( ptr, root, rva_start, rva_end );
else
{
const IMAGE_RESOURCE_DATA_ENTRY *data = ptr;
*rva_start = min( *rva_start, data->OffsetToData );
*rva_end = max( *rva_end, data->OffsetToData + data->Size );
}
}
}
/* fixup RVAs of resource data */
static void fixup_resources( IMAGE_RESOURCE_DIRECTORY *dir, BYTE *root, int delta )
{
IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
int i;
entry = (IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
for (i = 0; i < dir->NumberOfNamedEntries + dir->NumberOfIdEntries; i++, entry++)
{
void *ptr = root + entry->u2.s3.OffsetToDirectory;
if (entry->u2.s3.DataIsDirectory) fixup_resources( ptr, root, delta );
else
{
IMAGE_RESOURCE_DATA_ENTRY *data = ptr;
if (data->OffsetToData) data->OffsetToData += delta;
}
}
}
/* add version resources to the dll by copying them from the source module */
static BOOL add_version_resource( HMODULE module, struct dll_info *dll_info )
{
int i;
BOOL ret = FALSE;
DWORD size, pos;
DWORD rva_start = ~0U, rva_end = 0, dir_size, total_size;
const IMAGE_RESOURCE_DIRECTORY *basedir;
const BYTE *data_start, *root;
BYTE *buffer;
LDR_RESOURCE_INFO info;
IMAGE_RESOURCE_DIRECTORY *dir;
IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
IMAGE_RESOURCE_DATA_ENTRY *data;
const IMAGE_RESOURCE_DIRECTORY *basedir, *resdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *src_entry;
const IMAGE_RESOURCE_DATA_ENTRY *src_data;
if (!module) return TRUE;
if (LdrFindResourceDirectory_U( module, NULL, 0, &basedir ) != STATUS_SUCCESS) return TRUE;
info.Type = VS_FILE_INFO;
info.Name = VS_VERSION_INFO;
if (LdrFindResourceDirectory_U( module, &info, 2, &resdir ) != STATUS_SUCCESS) return TRUE;
size = 3 * sizeof(IMAGE_RESOURCE_DIRECTORY);
size += (resdir->NumberOfIdEntries + 2) * sizeof(IMAGE_RESOURCE_DIRECTORY_ENTRY);
size += resdir->NumberOfIdEntries * sizeof(IMAGE_RESOURCE_DATA_ENTRY);
buffer = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
/* types directory */
dir = (IMAGE_RESOURCE_DIRECTORY *)buffer;
dir->NumberOfIdEntries = 1;
entry = (IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
entry->u1.s2.Id = info.Type;
entry->u2.s3.DataIsDirectory = 1;
entry->u2.s3.OffsetToDirectory = (BYTE *)(entry + 1) - buffer;
/* names directory */
dir = (IMAGE_RESOURCE_DIRECTORY *)(entry + 1);
dir->NumberOfIdEntries = 1;
entry = (IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
entry->u1.s2.Id = info.Name;
entry->u2.s3.DataIsDirectory = 1;
entry->u2.s3.OffsetToDirectory = (BYTE *)(entry + 1) - buffer;
/* languages directory */
dir = (IMAGE_RESOURCE_DIRECTORY *)(entry + 1);
*dir = *resdir;
entry = (IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
src_entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(resdir + 1);
memcpy( entry, src_entry, resdir->NumberOfIdEntries * sizeof(*entry) );
/* data entries */
data = (IMAGE_RESOURCE_DATA_ENTRY *)(entry + resdir->NumberOfIdEntries);
pos = size;
for (i = 0; i < resdir->NumberOfIdEntries; i++)
{
void *ptr;
ULONG data_size;
src_data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)basedir + src_entry[i].u2.OffsetToData);
if (LdrAccessResource( module, src_data, &ptr, &data_size )) goto done;
entry[i].u2.OffsetToData = (BYTE *)&data[i] - buffer;
data[i] = *src_data;
data[i].OffsetToData = dll_info->mem_pos + pos;
if (!xwrite( dll_info, ptr, data_size, dll_info->file_pos + pos )) goto done;
pos += (data_size + 3) & ~3;
}
if (!xwrite( dll_info, buffer, size, dll_info->file_pos )) goto done;
add_directory( dll_info, IMAGE_DIRECTORY_ENTRY_RESOURCE, dll_info->mem_pos, pos );
add_section( dll_info, ".rsrc", pos, IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ );
root = (const BYTE *)basedir;
get_resource_data( basedir, root, &rva_start, &rva_end );
data_start = (const BYTE *)module + rva_start;
if (data_start <= root) return FALSE;
dir_size = data_start - root;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, dir_size ))) return FALSE;
memcpy( buffer, root, dir_size );
fixup_resources( (IMAGE_RESOURCE_DIRECTORY *)buffer, buffer, dll_info->mem_pos + dir_size - rva_start );
if (!xwrite( dll_info, buffer, dir_size, dll_info->file_pos )) goto done;
if (!xwrite( dll_info, data_start, rva_end - rva_start, dll_info->file_pos + dir_size )) goto done;
total_size = dir_size + rva_end - rva_start;
add_directory( dll_info, IMAGE_DIRECTORY_ENTRY_RESOURCE, dll_info->mem_pos, total_size );
add_section( dll_info, ".rsrc", total_size, IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ );
ret = TRUE;
done:
HeapFree( GetProcessHeap(), 0, buffer );
return ret;
}
void dummy(void)
{
__asm__ __volatile__("movl $1,%eax; ret $4");
}
/* build a complete fake dll, optionally using module as a source */
static BOOL build_fake_dll( HANDLE file, HMODULE module )
{