[PATCH v2 1/3] dbghelp: Add a helper to check if a given module is the Wine loader.
Zebediah Figura
zfigura at codeweavers.com
Thu May 31 09:47:48 CDT 2018
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
v2: check WINELOADER
dlls/dbghelp/module.c | 46 ++++++++++++++++++++++++++++++++++++++--------
1 file changed, 38 insertions(+), 8 deletions(-)
diff --git a/dlls/dbghelp/module.c b/dlls/dbghelp/module.c
index 9f90d5e..7a23812 100644
--- a/dlls/dbghelp/module.c
+++ b/dlls/dbghelp/module.c
@@ -29,6 +29,7 @@
#include "psapi.h"
#include "winternl.h"
#include "wine/debug.h"
+#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
@@ -75,9 +76,42 @@ static const WCHAR* get_filename(const WCHAR* name, const WCHAR* endptr)
return ++ptr;
}
+static BOOL is_wine_loader(const WCHAR *module)
+{
+ static const WCHAR wineW[] = {'w','i','n','e',0};
+ static const WCHAR suffixW[] = {'6','4',0};
+ const WCHAR *filename = get_filename(module, NULL);
+ const char *ptr, *p;
+ BOOL ret = FALSE;
+ WCHAR *buffer;
+ DWORD len;
+
+ if ((ptr = getenv("WINELOADER")))
+ {
+ if ((p = strrchr(ptr, '/'))) ptr = p + 1;
+ len = 2 + MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, NULL, 0 );
+ buffer = heap_alloc( len * sizeof(WCHAR) );
+ MultiByteToWideChar( CP_UNIXCP, 0, ptr, -1, buffer, len );
+ }
+ else
+ {
+ buffer = heap_alloc( sizeof(wineW) + 2 * sizeof(WCHAR) );
+ strcpyW( buffer, wineW );
+ }
+
+ if (!strcmpW( filename, buffer ))
+ ret = TRUE;
+
+ strcatW( buffer, suffixW );
+ if (!strcmpW( filename, buffer ))
+ ret = TRUE;
+
+ heap_free( buffer );
+ return ret;
+}
+
static void module_fill_module(const WCHAR* in, WCHAR* out, size_t size)
{
- const WCHAR *loader = get_wine_loader_name();
const WCHAR *ptr, *endptr;
size_t len, l;
@@ -87,7 +121,7 @@ static void module_fill_module(const WCHAR* in, WCHAR* out, size_t size)
out[len] = '\0';
if (len > 4 && (l = match_ext(out, len)))
out[len - l] = '\0';
- else if (len > strlenW(loader) && !strcmpiW(out + len - strlenW(loader), loader))
+ else if (is_wine_loader(out))
lstrcpynW(out, S_WineLoaderW, size);
else
{
@@ -455,8 +489,7 @@ static BOOL module_is_container_loaded(const struct process* pcs,
*/
enum module_type module_get_type_by_name(const WCHAR* name)
{
- int loader_len, len = strlenW(name);
- const WCHAR *loader;
+ int len = strlenW(name);
/* Skip all version extensions (.[digits]) regex: "(\.\d+)*$" */
do
@@ -491,10 +524,7 @@ enum module_type module_get_type_by_name(const WCHAR* name)
return DMT_DBG;
/* wine is also a native module (Mach-O on Mac OS X, ELF elsewhere) */
- loader = get_wine_loader_name();
- loader_len = strlenW( loader );
- if ((len == loader_len || (len > loader_len && name[len - loader_len - 1] == '/')) &&
- !strcmpiW(name + len - loader_len, loader))
+ if (is_wine_loader(name))
{
#ifdef __APPLE__
return DMT_MACHO;
--
2.7.4
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