[SETUPLIB] Move the files that implement utility functions into their own subdirectory. The files remaining in the main directory implement setup procedures that use the utility functions.

svn path=/branches/setup_improvements/; revision=75695
2025-08-02 05:35:40 +00:00 · 2017-08-28 11:28:08 +00:00 · 2017-08-28 11:28:08 +00:00 · 6f19c83b96
commit 6f19c83b96
parent 95a34ef6fc
28 changed files with 28 additions and 26 deletions
--- a/base/setup/lib/utils/ntverrsrc.c
+++ b/base/setup/lib/utils/ntverrsrc.c
@ -0,0 +1,193 @@
+/*
+ * PROJECT:     ReactOS Setup Library
+ * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * PURPOSE:     NT Version Resource Management API
+ * COPYRIGHT:   Copyright 2017-2018 Hermes Belusca-Maito
+ *
+ * NOTE 1: Adapted from Wine-synced dll/win32/version DLL.
+ * NOTE 2: We only deal with 32-bit PE executables.
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include "precomp.h"
+#include <ndk/ldrtypes.h>
+#include <ndk/ldrfuncs.h>
+
+#include "ntverrsrc.h"
+
+#define NDEBUG
+#include <debug.h>
+
+
+/* FUNCTIONS ****************************************************************/
+
+NTSTATUS
+NtGetVersionResource(
+    IN PVOID BaseAddress,
+    OUT PVOID* Resource,
+    OUT PULONG ResourceSize OPTIONAL)
+{
+// #define RT_VERSION MAKEINTRESOURCE(16)  // See winuser.h
+#define VS_VERSION_INFO         1       // See psdk/verrsrc.h
+#define VS_FILE_INFO            RT_VERSION
+
+    NTSTATUS Status;
+    LDR_RESOURCE_INFO ResourceInfo;
+    PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry;
+    PVOID Data = NULL;
+    ULONG Size = 0;
+
+    /* Try to find the resource */
+    ResourceInfo.Type = 16; // RT_VERSION;
+    ResourceInfo.Name = VS_VERSION_INFO; // MAKEINTRESOURCEW(VS_VERSION_INFO);
+    ResourceInfo.Language = 0; // Don't care about the language
+
+    Status = LdrFindResource_U(BaseAddress,
+                               &ResourceInfo,
+                               RESOURCE_DATA_LEVEL,
+                               &ResourceDataEntry);
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("NtGetVersionResource: Version resource not found, Status 0x%08lx\n", Status);
+        return Status;
+    }
+
+    /* Access the resource */
+    Status = LdrAccessResource(BaseAddress,
+                               ResourceDataEntry,
+                               &Data,
+                               &Size);
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("NtGetVersionResource: Cannot access Version resource, Status 0x%08lx\n", Status);
+        return Status;
+    }
+
+    *Resource = Data;
+    if (ResourceSize) *ResourceSize = Size;
+
+    return STATUS_SUCCESS;
+}
+
+/* NOTE: the xxx_STRUCT16 version differs by storing strings in ANSI, not in UNICODE */
+typedef struct _VS_VERSION_INFO_STRUCT32
+{
+    WORD  wLength;
+    WORD  wValueLength;
+    WORD  wType; /* 1:Text, 0:Binary */
+    WCHAR szKey[1];
+#if 0   /* variable length structure */
+    /* DWORD aligned */
+    BYTE  Value[];
+    /* DWORD aligned */
+    VS_VERSION_INFO_STRUCT32 Children[];
+#endif
+}   VS_VERSION_INFO_STRUCT32, *PVS_VERSION_INFO_STRUCT32;
+typedef const VS_VERSION_INFO_STRUCT32 *PCVS_VERSION_INFO_STRUCT32;
+
+#define DWORD_ALIGN( base, ptr ) \
+    ( (ULONG_PTR)(base) + ((((ULONG_PTR)(ptr) - (ULONG_PTR)(base)) + 3) & ~3) )
+
+#define VersionInfo32_Value( ver )  \
+    DWORD_ALIGN( (ver), (ver)->szKey + wcslen((ver)->szKey) + 1 )
+
+#define VersionInfo32_Children( ver )  \
+    (PCVS_VERSION_INFO_STRUCT32)( VersionInfo32_Value( ver ) + \
+                           ( ( (ver)->wValueLength * \
+                               ((ver)->wType? 2 : 1) + 3 ) & ~3 ) )
+
+#define VersionInfo32_Next( ver ) \
+    (PVS_VERSION_INFO_STRUCT32)( (ULONG_PTR)ver + (((ver)->wLength + 3) & ~3) )
+
+static PCVS_VERSION_INFO_STRUCT32
+VersionInfo32_FindChild(
+    IN PCVS_VERSION_INFO_STRUCT32 info,
+    IN PCWSTR szKey,
+    IN UINT cchKey)
+{
+    PCVS_VERSION_INFO_STRUCT32 child = VersionInfo32_Children(info);
+
+    while ((ULONG_PTR)child < (ULONG_PTR)info + info->wLength)
+    {
+        if (!_wcsnicmp(child->szKey, szKey, cchKey) && !child->szKey[cchKey])
+            return child;
+
+        if (child->wLength == 0) return NULL;
+        child = VersionInfo32_Next(child);
+    }
+
+    return NULL;
+}
+
+static NTSTATUS
+VersionInfo32_QueryValue(
+    IN PCVS_VERSION_INFO_STRUCT32 info,
+    IN PCWSTR lpSubBlock,
+    OUT PVOID* lplpBuffer,
+    OUT PUINT puLen OPTIONAL,
+    OUT BOOL* pbText OPTIONAL)
+{
+    PCWSTR lpNextSlash;
+
+    DPRINT("lpSubBlock : (%S)\n", lpSubBlock);
+
+    while (*lpSubBlock)
+    {
+        /* Find next path component */
+        for (lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++)
+        {
+            if (*lpNextSlash == '\\')
+                break;
+        }
+
+        /* Skip empty components */
+        if (lpNextSlash == lpSubBlock)
+        {
+            lpSubBlock++;
+            continue;
+        }
+
+        /* We have a non-empty component: search info for key */
+        info = VersionInfo32_FindChild(info, lpSubBlock, lpNextSlash - lpSubBlock);
+        if (!info)
+        {
+            if (puLen) *puLen = 0;
+            return STATUS_RESOURCE_TYPE_NOT_FOUND;
+        }
+
+        /* Skip path component */
+        lpSubBlock = lpNextSlash;
+    }
+
+    /* Return value */
+    *lplpBuffer = (PVOID)VersionInfo32_Value(info);
+    if (puLen)
+        *puLen = info->wValueLength;
+    if (pbText)
+        *pbText = info->wType;
+
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NtVerQueryValue(
+    IN const VOID* pBlock,
+    IN PCWSTR lpSubBlock,
+    OUT PVOID* lplpBuffer,
+    OUT PUINT puLen)
+{
+    PCVS_VERSION_INFO_STRUCT32 info = pBlock;
+
+    DPRINT("%s (%p, %S, %p, %p)\n", __FUNCTION__, pBlock, lpSubBlock, lplpBuffer, puLen);
+
+    if (!pBlock)
+        return FALSE;
+
+    if (!lpSubBlock || !*lpSubBlock)
+        lpSubBlock = L"\\";
+
+    return VersionInfo32_QueryValue(info, lpSubBlock, lplpBuffer, puLen, NULL);
+}
+
+/* EOF */