sxs.c File Reference

#include <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.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
struct	clrsurrogate_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
#define	SXS_LOOKUP_CLR_GUID_FIND_ANY   (SXS_LOOKUP_CLR_GUID_FIND_SURROGATE | SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS)

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	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 41 of file sxs.c.

SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE

#define SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE   0x1

Definition at line 40 of file sxs.c.

SXS_LOOKUP_CLR_GUID_FIND_ANY

#define SXS_LOOKUP_CLR_GUID_FIND_ANY   (SXS_LOOKUP_CLR_GUID_FIND_SURROGATE | SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS)

Definition at line 46 of file sxs.c.

SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS

#define SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS   0x00020000

Definition at line 45 of file sxs.c.

SXS_LOOKUP_CLR_GUID_FIND_SURROGATE

#define SXS_LOOKUP_CLR_GUID_FIND_SURROGATE   0x00010000

Definition at line 44 of file sxs.c.

SXS_LOOKUP_CLR_GUID_USE_ACTCTX

#define SXS_LOOKUP_CLR_GUID_USE_ACTCTX   0x00000001

Definition at line 43 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

SxsLookupClrGuid()

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

Definition at line 94 of file sxs.c.

{
    ACTCTX_SECTION_KEYED_DATA guid_info = { sizeof(ACTCTX_SECTION_KEYED_DATA) };
    ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *assembly_info = NULL;
    SIZE_T bytes_assembly_info;
    unsigned int len_version = 0, len_name, len_identity;
    const void *ptr_name, *ptr_version, *ptr_identity;
    SXS_GUID_INFORMATION_CLR *ret = buffer;
    BOOL retval = FALSE;
    char *ret_strings;
    ULONG_PTR cookie;
 
    TRACE("%#lx, %s, %p, %p, %Ix, %p.\n", flags, wine_dbgstr_guid(clsid), actctx,
          buffer, buffer_len, buffer_len_required);
 
    if (flags & SXS_LOOKUP_CLR_GUID_USE_ACTCTX)
    {
        if (!ActivateActCtx(actctx, &cookie))
        {
            WARN("Failed to activate context.\n");
            return FALSE;
        }
    }
 
    if (flags & SXS_LOOKUP_CLR_GUID_FIND_SURROGATE)
    {
        if ((retval = FindActCtxSectionGuid(FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
                ACTIVATION_CONTEXT_SECTION_CLR_SURROGATES, clsid, &guid_info)))
        {
            flags &= ~SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS;
        }
    }
 
    if (!retval && (flags & SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS))
    {
        if ((retval = FindActCtxSectionGuid(FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
                ACTIVATION_CONTEXT_SECTION_COM_SERVER_REDIRECTION, clsid, &guid_info)))
        {
            flags &= ~SXS_LOOKUP_CLR_GUID_FIND_SURROGATE;
        }
    }
 
    if (!retval)
    {
        SetLastError(ERROR_NOT_FOUND);
        goto out;
    }
 
    retval = QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
            AssemblyDetailedInformationInActivationContext, NULL, 0, &bytes_assembly_info);
    if (!retval && GetLastError() != ERROR_INSUFFICIENT_BUFFER)
    {
        goto out;
    }
 
    assembly_info = malloc(bytes_assembly_info);
    if (!(retval = QueryActCtxW(0, guid_info.hActCtx, &guid_info.ulAssemblyRosterIndex,
            AssemblyDetailedInformationInActivationContext, assembly_info,
            bytes_assembly_info, &bytes_assembly_info)))
    {
        goto out;
    }
 
    if (flags & SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS)
    {
        const struct comclassredirect_data *redirect_data = guid_info.lpData;
        const struct clrclass_data *class_data;
 
        class_data = (void *)((char *)redirect_data + redirect_data->clrdata_offset);
        ptr_name = (char *)class_data + class_data->name_offset;
        ptr_version = (char *)class_data + class_data->version_offset;
        len_name = class_data->name_len + sizeof(WCHAR);
        if (class_data->version_len)
            len_version = class_data->version_len + sizeof(WCHAR);
    }
    else
    {
        const struct clrsurrogate_data *surrogate = guid_info.lpData;
        ptr_name = (char *)surrogate + surrogate->name_offset;
        ptr_version = (char *)surrogate + surrogate->version_offset;
        len_name = surrogate->name_len + sizeof(WCHAR);
        if (surrogate->version_len)
            len_version = surrogate->version_len + sizeof(WCHAR);
    }
 
    ptr_identity = assembly_info->lpAssemblyEncodedAssemblyIdentity;
    len_identity = assembly_info->ulEncodedAssemblyIdentityLength + sizeof(WCHAR);
 
    *buffer_len_required = sizeof(*ret) + len_identity + len_version + len_name;
    if (!buffer || buffer_len < *buffer_len_required)
    {
        SetLastError(ERROR_INSUFFICIENT_BUFFER);
        retval = FALSE;
        goto out;
    }
 
    ret->cbSize = sizeof(*ret);
    ret->dwFlags = flags & SXS_LOOKUP_CLR_GUID_FIND_CLR_CLASS ? SXS_GUID_INFORMATION_CLR_FLAG_IS_CLASS :
            SXS_GUID_INFORMATION_CLR_FLAG_IS_SURROGATE;
 
    /* Copy strings into buffer */
    ret_strings = (char *)ret + sizeof(*ret);
 
    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);
 
out:
    ReleaseActCtx(guid_info.hActCtx);
 
    if (flags & SXS_LOOKUP_CLR_GUID_USE_ACTCTX)
        DeactivateActCtx(0, cookie);
 
    free(assembly_info);
    return retval;
}

Referenced by run_test(), and test_SxsLookupClrGuid().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

sxs

)