687 lines
16 KiB
C
687 lines
16 KiB
C
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#define STRICT
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#define LEAN_AND_MEAN
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#include <windows.h>
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#include <setupapi.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <mbstring.h>
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#include "miginf.h"
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#define DIRECTORYKEY "SOFTWARE\\Microsoft\\DevStudio\\5.0\\Products\\Microsoft Visual C++"
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#define DIRECTORYVALUE "ProductDir"
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#define DIR_95SPECIFIC "\\bin\\win95"
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#define FILE_PVIEW "pview.exe"
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#define MESSAGE \
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"PVIEW.EXE has been found in one or more directories outside of your Visual C++ 5.0" \
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" installation directory. These copies will not be updated with the NT version." \
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#define MESSAGE_SECTION "Microsoft\\Visual C++ 5.0\\Process Viewer"
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#define SIZENEEDED 100000L
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#define CP_USASCII 1252
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//
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// 9x side globals.
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//
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const CHAR g_ProductId[] = {"Microsoft Visual C++ 5.0"};
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UINT g_DllVersion = 1;
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INT g_CodePageArray[] = {CP_USASCII,-1};
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CHAR g_ExeNamesBuffer[] = {"pview95.exe\0""\0"};
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//
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// Nt side globals.
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//
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//
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// Uncomment next line to get popups.
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//
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//#define MYDEBUG
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#ifdef MYDEBUG
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# define INFO(x) (MessageBoxA(NULL,(x),"PVIEW Sample Migration Dll",MB_OK | MB_ICONINFORMATION))
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#else
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# define INFO(x)
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#endif
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static
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BOOL
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PathIsInPath(
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IN PCSTR SubPath,
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IN PCSTR ParentPath
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)
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{
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DWORD parentLength;
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BOOL rInPath;
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//
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// This function assumes both parameters are non-NULL.
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//
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assert(SubPath);
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assert(ParentPath);
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parentLength = _mbslen(ParentPath);
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//
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// A path is considered "in" another path if the path is in the ParentPath
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// or a subdirectory of it.
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//
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rInPath = !_mbsnicmp(SubPath,ParentPath,parentLength);
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if (rInPath) {
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rInPath = SubPath[parentLength] == 0 || SubPath[parentLength] == '\\';
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}
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return rInPath;
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}
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static
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PSTR
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GetPviewDirectoryNt (
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VOID
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)
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{
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HKEY softwareKey;
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LONG rc;
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LONG valueType;
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LONG sizeNeeded;
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PSTR rString = NULL;
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//
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// First, open the key.
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//
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rc = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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DIRECTORYKEY,
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0,
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KEY_READ,
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&softwareKey
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);
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if (rc == ERROR_SUCCESS) {
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//
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// Determine how large of a buffer to allocate.
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//
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rc = RegQueryValueEx(
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softwareKey,
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DIRECTORYVALUE,
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0,
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&valueType,
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NULL,
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&sizeNeeded
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);
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//
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// Allocate enough space for the registry path, with the additional
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// subpath to Visual C++ 5.0's win 95 specific binaries.
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//
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rString = LocalAlloc(0,sizeNeeded + lstrlen(DIR_95SPECIFIC) + 1);
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}
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if (rc == ERROR_SUCCESS && rString != NULL) {
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//
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// Read in the buffer.
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//
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rc = RegQueryValueEx(
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softwareKey,
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DIRECTORYVALUE,
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0,
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&valueType,
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(PBYTE) rString,
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&sizeNeeded
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);
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if (rc == ERROR_SUCCESS) {
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if (valueType != REG_SZ) {
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rc = ERROR_INVALID_DATATYPE;
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}
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}
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}
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//
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// If we didn't complete successfully, set the last error, and free the
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// return string if it was allocated.
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//
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if (rc != ERROR_SUCCESS) {
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SetLastError(rc);
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if (rString) {
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LocalFree(rString);
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rString = NULL;
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}
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}
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return rString;
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}
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static
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PSTR
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GetPviewDirectory9x (
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VOID
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)
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{
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HKEY softwareKey;
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LONG rc;
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LONG valueType;
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LONG sizeNeeded;
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PSTR rString = NULL;
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//
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// First, open the key.
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//
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rc = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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DIRECTORYKEY,
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0,
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KEY_READ,
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&softwareKey
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);
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if (rc == ERROR_SUCCESS) {
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//
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// Determine how large of a buffer to allocate.
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//
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rc = RegQueryValueEx(
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softwareKey,
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DIRECTORYVALUE,
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0,
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&valueType,
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NULL,
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&sizeNeeded
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);
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//
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// Allocate enough space for the registry path, with the additional
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// subpath to Visual C++ 5.0's win 95 specific binaries.
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//
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rString = LocalAlloc(0,sizeNeeded + lstrlen(DIR_95SPECIFIC) + 1);
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}
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if (rc == ERROR_SUCCESS && rString != NULL) {
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//
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// Read in the buffer.
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//
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rc = RegQueryValueEx(
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softwareKey,
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DIRECTORYVALUE,
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0,
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&valueType,
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(PBYTE) rString,
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&sizeNeeded
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);
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if (rc == ERROR_SUCCESS) {
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if (valueType == REG_SZ) {
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//
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// We have successfully read in the value of the installation
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// directory into rString. Now, all we need to do is tack on
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// the win 95 specific portion that we care about.
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//
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lstrcat(rString,DIR_95SPECIFIC);
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}
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else {
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rc = ERROR_INVALID_DATATYPE;
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}
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}
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}
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//
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// If we didn't complete successfully, set the last error, and free the
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// return string if it was allocated.
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//
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if (rc != ERROR_SUCCESS) {
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SetLastError(rc);
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if (rString) {
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LocalFree(rString);
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rString = NULL;
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}
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}
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return rString;
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}
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static
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LONG
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CheckForInstalledComponents (
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VOID
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)
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{
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BOOL rc;
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HKEY softwareKey;
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//
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// Attempt to open the key.
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//
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rc = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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DIRECTORYKEY,
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0,
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KEY_READ,
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&softwareKey
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);
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//
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// If the key exists, then assume that Microsoft Visual C++ 5.0 is installed.
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//
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RegCloseKey(softwareKey);
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return rc;
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}
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BOOL
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WINAPI
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DllMain (
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IN HANDLE Instance,
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IN ULONG Reason,
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IN LPVOID Reserved
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)
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{
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switch (Reason) {
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case DLL_PROCESS_ATTACH:
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break;
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case DLL_PROCESS_DETACH:
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//
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// Ensure that the MigInf structure is cleaned up before unloading this DLL.
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//
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MigInf_CleanUp();
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break;
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}
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return TRUE;
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}
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LONG
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CALLBACK
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QueryVersion (
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OUT LPCSTR * ProductId,
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OUT LPUINT DllVersion,
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OUT LPINT * CodePageArray, OPTIONAL
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OUT LPCSTR * ExeNamesBuf, OPTIONAL
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LPVOID Reserved
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)
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{
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LONG rc;
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INFO("Entering QueryVersion.");
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assert(ProductId);
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assert(DllVersion);
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assert(CodePageArray);
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assert(ExeNamesBuf);
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//
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// Setup is calling us to query our version information and to identify if
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// we need processing. We always need to provide the product ID and the
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// DLL version.
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//
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*ProductId = g_ProductId;
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*DllVersion = g_DllVersion;
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//
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// Check to see if there is anything to do.
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//
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if (CheckForInstalledComponents() == ERROR_SUCCESS) {
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//
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// There are installed components. Return the information Setup is
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// asking for.
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//
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*CodePageArray = g_CodePageArray; // Use the CP_ACP code page for conversion to unicode,
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*ExeNamesBuf = g_ExeNamesBuffer;
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//
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// Since there is work to do, return EXIT_SUCCESS. This informs Setup
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// that this dll does require processing during migration.
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//
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rc = ERROR_SUCCESS;
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}
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else {
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rc = ERROR_NOT_INSTALLED;
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}
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return rc;
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}
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LONG
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CALLBACK
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Initialize9x (
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IN LPCSTR WorkingDirectory,
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IN LPCSTR SourceDirectories,
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LPVOID Reserved
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)
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{
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LONG rc;
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//
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// Setup guarantees that the source directories parameter is valid.
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//
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assert(SourceDirectories);
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INFO("Entering Initialize9x.");
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//
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// Initialize the MigInf structure.
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//
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if (!MigInf_Initialize()) {
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rc = GetLastError();
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}
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else {
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rc = ERROR_SUCCESS;
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}
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return rc;
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}
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LONG
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CALLBACK
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MigrateUser9x (
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IN HWND ParentWnd,
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IN LPCSTR UnattendFile,
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IN HKEY UserRegKey,
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IN LPCSTR UserName,
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LPVOID Reserved
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)
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{
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//
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// Setup guarantees that UnattendFile,UserRegKey will be non-NULL
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//
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assert(UnattendFile);
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assert(UserRegKey);
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INFO("Entering MigrateUser9x.");
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//
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// Nothing to do per user, so, return ERROR_NO_MORE_FILES
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//
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return ERROR_NOT_INSTALLED;
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}
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LONG
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CALLBACK
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MigrateSystem9x (
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IN HWND ParentWnd,
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IN LPCSTR UnattendFile,
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LPVOID Reserved
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)
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{
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LONG rc = EXIT_SUCCESS;
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PSTR visualCppDirectory = NULL;
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MIGINFSECTIONENUM sectionEnum;
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BOOL firstMessage = TRUE;
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PCSTR messageSection = NULL;
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//
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// Setup guarantees that UnattendFile will be non-NULL.
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//
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assert(UnattendFile);
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INFO("Entering MigrateSystem9x");
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//
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// Since we are in this function, Initialize9x MUST have returned ERROR_SUCCESS.
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// Microsoft Visual C++ is installed on this machine.
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//
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//
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// Initialize the miginf module to handle interfacing with Migrate.Inf and retrieve
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// the installation directory for Visual C++.
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//
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visualCppDirectory = GetPviewDirectory9x();
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if (!visualCppDirectory) {
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rc = GetLastError();
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}
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else {
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//
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// The migration INF was successfully initialized. See if there is anything for
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// us to do. There is work to be done if (1) the [Migration Paths] section of
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// Migrate.inf contains some paths (Indicating that setup found some of the files
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// we asked it to look for in ExeNamesBuf) and (2) The Visual CPP Install directory
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// is not in the Excluded Paths Section.
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//
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if (MigInf_FirstInSection(SECTION_MIGRATIONPATHS,§ionEnum)
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&& !MigInf_PathIsExcluded(visualCppDirectory)) {
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//
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// All checks are good. We have work to do.
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// we need to sift through the files that
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// Setup returned in the Migration paths section. If the files
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// returned are in the installation directory, we will write them
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// to both the [Handled Files] sections and the [Moved Files]
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// sections. If not, we will write the file to the [Handled Files]
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// section and then write a message to the [Incompatible Messages]
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// section. This will allow us to override the message that
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// Setup is providing for these files with a more meaningful one.
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//
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do {
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if (PathIsInPath(sectionEnum.Key,visualCppDirectory)) {
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//
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// This file is in our installation path. We'll be handling it.
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//
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if (!MigInf_AddObject(
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MIG_FILE,
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SECTION_HANDLED,
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sectionEnum.Key,
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NULL
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)) {
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rc = ERROR_CANTWRITE;
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break;
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}
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//
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// We also need to note the amount of space that we will use.
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//
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if (!MigInf_UseSpace(sectionEnum.Key,SIZENEEDED)) {
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rc = ERROR_CANTWRITE;
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break;
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}
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}
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else {
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//
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// This file is not in our installation path.
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//
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if (firstMessage) {
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//
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// We'll only add one message to the incompatible messages
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// section, no matter how many PVIEW's we find outside of
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// the installation directory. However, we'll add all of
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// those files to the section that controls that message.
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// That way, the message will always appear unless _every_
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// file in that section has been handled by something
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// (i.e. another migration DLL.)
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//
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firstMessage = FALSE;
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if (!MigInf_AddObject(
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MIG_MESSAGE,
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SECTION_INCOMPATIBLE,
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MESSAGE_SECTION,
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MESSAGE
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)) {
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rc = ERROR_CANTWRITE;
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break;
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}
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}
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if (!MigInf_AddObject(
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MIG_FILE,
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MESSAGE_SECTION,
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sectionEnum.Key,
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NULL
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)) {
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rc = ERROR_CANTWRITE;
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break;
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}
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}
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} while (MigInf_NextInSection(§ionEnum));
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}
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else {
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//
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// There is nothing for us to do.
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//
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rc = ERROR_NOT_INSTALLED;
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}
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MigInf_WriteInfToDisk();
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}
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//
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// Free the memory allocated in GetVisualCppDirectory.
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//
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if (visualCppDirectory) {
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LocalFree(visualCppDirectory);
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}
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return rc;
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}
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|
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LONG
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CALLBACK
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InitializeNT (
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IN LPCWSTR WorkingDirectory,
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IN LPCWSTR SourceDirectory,
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LPVOID Reserved
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)
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{
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//
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// Setup ensures that WorkingDirectory and SourceDirectory will be non-NULL.
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//
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assert(WorkingDirectory != NULL && SourceDirectory != NULL);
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|
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//
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// We do not need to do anything in this call. Simply return ERROR_SUCCES
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//
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return ERROR_SUCCESS;
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}
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|
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LONG
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CALLBACK
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MigrateUserNT (
|
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IN HINF UnattendInfHandle,
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IN HKEY UserRegHandle,
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IN LPCWSTR UserName,
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LPVOID Reserved
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)
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{
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//
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// Setup guarantees that UnattendInfHandle and UserRegHandle are non-NULL and valid.
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// UserName can be NULL, however, for the default user.
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//
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assert(UnattendInfHandle);
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|
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//
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// Nothing to do per user. Simply return ERROR_SUCCESS.
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// (Note the difference in return codes between MigrateUser9x and MigrateUserNT.)
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//
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return ERROR_SUCCESS;
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}
|
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|
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|
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LONG
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CALLBACK
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MigrateSystemNT (
|
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IN HINF UnattendInfHandle,
|
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LPVOID Reserved
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)
|
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{
|
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LONG rc;
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PSTR pviewDir;
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CHAR fromPath[MAX_PATH];
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CHAR toPath[MAX_PATH];
|
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|
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//
|
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// Setup guarantees that UnattendInfHandle is non-NULL and is valid.
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//
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assert(UnattendInfHandle && UnattendInfHandle != INVALID_HANDLE_VALUE);
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|
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//
|
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// If we have gotten to this point, we know that we are installed. All we need to do is copy
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// the NT version of PVIEW into the installation directory of Visual C++ 5.0 Note that we do
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// not replace the 9x version as a normal Visual C++ install on NT would have the 9x of PVIEW
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// as well.
|
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//
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|
pviewDir = GetPviewDirectoryNt();
|
|
|
|
if (pviewDir) {
|
|
|
|
sprintf(fromPath,".\\%s",FILE_PVIEW);
|
|
sprintf(toPath,"%s\\%s",pviewDir,FILE_PVIEW);
|
|
|
|
if (!CopyFileA(fromPath,toPath,FALSE)) {
|
|
rc = GetLastError();
|
|
}
|
|
else {
|
|
rc = ERROR_SUCCESS;
|
|
}
|
|
|
|
}
|
|
else {
|
|
rc = GetLastError();
|
|
}
|
|
|
|
return rc = ERROR_SUCCESS;
|
|
}
|
|
|
|
|