sxs.c File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wine/heap.h"
#include "wine/debug.h"

Include dependency graph for sxs.c:

Go to the source code of this file.

Classes
struct	_SXS_GUID_INFORMATION_CLR
struct	comclassredirect_data
struct	clrclass_data

Macros
#define	SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE   0x1
#define	SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS   0x2
#define	SXS_LOOKUP_CLR_GUID_USE_ACTCTX   0x00000001
#define	SXS_LOOKUP_CLR_GUID_FIND_SURROGATE   0x00010000
#define	SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS   0x00020000

Typedefs
typedef struct _SXS_GUID_INFORMATION_CLR	SXS_GUID_INFORMATION_CLR
typedef struct _SXS_GUID_INFORMATION_CLR *	PSXS_GUID_INFORMATION_CLR

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (sxs)
BOOL WINAPI	DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
BOOL WINAPI	SxsLookupClrGuid (DWORD flags, GUID *clsid, HANDLE actctx, void *buffer, SIZE_T buffer_len, SIZE_T *buffer_len_required)

Macro Definition Documentation

SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS

#define SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS   0x2

Definition at line 58 of file sxs.c.

SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE

#define SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE   0x1

Definition at line 57 of file sxs.c.

SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS

#define SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS   0x00020000

Definition at line 62 of file sxs.c.

SXS_LOOKUP_CLR_GUID_FIND_SURROGATE

#define SXS_LOOKUP_CLR_GUID_FIND_SURROGATE   0x00010000

Definition at line 61 of file sxs.c.

SXS_LOOKUP_CLR_GUID_USE_ACTCTX

#define SXS_LOOKUP_CLR_GUID_USE_ACTCTX   0x00000001

Definition at line 60 of file sxs.c.

Typedef Documentation

PSXS_GUID_INFORMATION_CLR

typedef struct _SXS_GUID_INFORMATION_CLR * PSXS_GUID_INFORMATION_CLR

SXS_GUID_INFORMATION_CLR

typedef struct _SXS_GUID_INFORMATION_CLR SXS_GUID_INFORMATION_CLR

Function Documentation

DllMain()

BOOL WINAPI DllMain	(	HINSTANCE	hinstDLL,
		DWORD	fdwReason,
		LPVOID	lpvReserved
	)

Definition at line 35 of file sxs.c.

{
    switch(fdwReason)
    {
    case DLL_WINE_PREATTACH:
        return FALSE;  /* prefer native version */
    case DLL_PROCESS_ATTACH:
        DisableThreadLibraryCalls( hinstDLL );
        break;
    }
    return TRUE;
}

SxsLookupClrGuid()

BOOL WINAPI SxsLookupClrGuid	(	DWORD	flags,
		GUID *	clsid,
		HANDLE	actctx,
		void *	buffer,
		SIZE_T	buffer_len,
		SIZE_T *	buffer_len_required
	)

Definition at line 101 of file sxs.c.

{
    ACTCTX_SECTION_KEYED_DATA guid_info = { sizeof(ACTCTX_SECTION_KEYED_DATA) };
    ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *assembly_info;
    SIZE_T bytes_assembly_info;
    struct comclassredirect_data *redirect_data;
    struct clrclass_data *class_data;
    int len_version = 0, len_name, len_identity;
    const void *ptr_name, *ptr_version, *ptr_identity;
    SXS_GUID_INFORMATION_CLR *ret = buffer;
    char *ret_strings;

    TRACE("(%x, %s, %p, %p, %08lx, %p): stub\n", flags, wine_dbgstr_guid(clsid), actctx,
          buffer, buffer_len, buffer_len_required);

    if (flags & ~SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS)
        FIXME("Ignored flags: %x\n", flags & ~SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS);

    if (!FindActCtxSectionGuid(FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, 0,
                               ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION, clsid, &guid_info))
    {
        SetLastError(ERROR_NOT_FOUND);
        return FALSE;
    }

    QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
            AssemblyDetailedInformationInActivationContext, NULL, 0, &bytes_assembly_info);
    if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
    {
        ReleaseActCtx(guid_info.hActCtx);
        return FALSE;
    }
    assembly_info = heap_alloc(bytes_assembly_info);
    if(!QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
            AssemblyDetailedInformationInActivationContext, assembly_info,
            bytes_assembly_info, &bytes_assembly_info))
    {
        heap_free(assembly_info);
        ReleaseActCtx(guid_info.hActCtx);
        return FALSE;
    }

    redirect_data = guid_info.lpData;
    class_data = (void *)((char*)redirect_data + redirect_data->clrdata_offset);

    ptr_identity = assembly_info->lpAssemblyEncodedAssemblyIdentity;
    ptr_name = (char *)class_data + class_data->name_offset;
    ptr_version = (char *)class_data + class_data->version_offset;

    len_identity = assembly_info->ulEncodedAssemblyIdentityLength + sizeof(WCHAR);
    len_name = class_data->name_len + sizeof(WCHAR);
    if (class_data->version_len > 0)
        len_version = class_data->version_len + sizeof(WCHAR);

    *buffer_len_required = sizeof(SXS_GUID_INFORMATION_CLR) + len_identity + len_version + len_name;
    if (!buffer || buffer_len < *buffer_len_required)
    {
        SetLastError(ERROR_INSUFFICIENT_BUFFER);
        heap_free(assembly_info);
        ReleaseActCtx(guid_info.hActCtx);
        return FALSE;
    }

    ret->cbSize = sizeof(SXS_GUID_INFORMATION_CLR);
    ret->dwFlags = SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS;

    /* Copy strings into buffer */
    ret_strings = (char *)ret + sizeof(SXS_GUID_INFORMATION_CLR);

    memcpy(ret_strings, ptr_identity, len_identity);
    ret->pcwszAssemblyIdentity = (WCHAR *)ret_strings;
    ret_strings += len_identity;

    memcpy(ret_strings, ptr_name, len_name);
    ret->pcwszTypeName = (WCHAR *)ret_strings;
    ret_strings += len_name;

    if (len_version > 0)
    {
        memcpy(ret_strings, ptr_version, len_version);
        ret->pcwszRuntimeVersion = (WCHAR *)ret_strings;
    }
    else
        ret->pcwszRuntimeVersion = NULL;

    SetLastError(0);

    ReleaseActCtx(guid_info.hActCtx);
    heap_free(assembly_info);
    return TRUE;
}

Referenced by run_test(), and test_SxsLookupClrGuid().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

sxs

)