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144 lines
4.4 KiB
144 lines
4.4 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// File: N C I N F . C P P
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//
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// Contents: ???
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//
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// Notes:
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//
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// Author: ???
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//
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//----------------------------------------------------------------------------
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#include <pch.h>
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#pragma hdrstop
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#include "ncinf.h"
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#include "ncsetup.h"
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#include "ncstring.h"
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//+---------------------------------------------------------------------------
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//
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// Function: HrProcessInfExtension
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//
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// Purpose: Given the appropriate keywords, returns information about an
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// INF file that contains extended commands to add and remove
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// fixed components such as WinSock or SNMP Agent support.
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//
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// Arguments:
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// hinfInstallFile [in] The handle to the inf file to install
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// from
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// pszSectionName [in] The Base install section name.
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// pszSuffix [in] Suffix to append to base. (i.e. "Winsock")
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// pszAddLabel [in] Label for Add command (i.e. "AddSock")
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// pszRemoveLabel [in] Label for Remove command (i.e. "DelSock")
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// pfnHrAdd [in] Callback function to be called when adding.
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// pfnHrRemove [in] Callback function to be called when removing.
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//
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// Returns: HRESULT, S_OK on success
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//
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// Author: danielwe 27 Apr 1997
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//
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// Notes:
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//
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HRESULT
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HrProcessInfExtension (
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IN HINF hinfInstallFile,
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IN PCWSTR pszSectionName,
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IN PCWSTR pszSuffix,
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IN PCWSTR pszAddLabel,
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IN PCWSTR pszRemoveLabel,
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IN PFNADDCALLBACK pfnHrAdd,
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IN PFNREMOVECALLBACK pfnHrRemove)
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{
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Assert(IsValidHandle(hinfInstallFile));
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BOOL fAdd;
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HRESULT hr = S_OK;
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tstring strSectionName;
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INFCONTEXT infContext;
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WCHAR szCmd[LINE_LEN]; // LINE_LEN defined in setupapi.h as 256
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// Construct the section name for which we're looking
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// (ie. "Inst_Section.Winsock")
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strSectionName = pszSectionName;
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strSectionName += L".";
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strSectionName += pszSuffix;
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// Loop over the elements of the section and process the
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// appropriate AddSock/DelSock sections found
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hr = HrSetupFindFirstLine(hinfInstallFile, strSectionName.c_str(),
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NULL, &infContext);
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if (S_OK == hr)
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{
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tstring strName;
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do
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{
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// Retrieve a line from the section, hopefully in the format:
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// AddSock=section_name or DelSock=section_name
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hr = HrSetupGetStringField(infContext, 0, szCmd, celems(szCmd),
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NULL);
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if (FAILED(hr))
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{
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goto Done;
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}
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// Check for the <add> or <remove> command
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szCmd[celems(szCmd)-1] = L'\0';
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if (!lstrcmpiW(szCmd, pszAddLabel))
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{
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fAdd = TRUE;
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}
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else if (!lstrcmpiW(szCmd, pszRemoveLabel))
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{
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fAdd = FALSE;
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}
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else
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{
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continue; // Other things are in this install section
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}
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// Query the Add/Remove value from the .inf
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hr = HrSetupGetStringField(infContext, 1, &strName);
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if (S_OK == hr)
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{
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if (fAdd)
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{
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// Call Add callback
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hr = pfnHrAdd(hinfInstallFile, strName.c_str());
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}
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else
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{
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// Call remove callback
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hr = pfnHrRemove(hinfInstallFile, strName.c_str());
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}
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if (FAILED(hr))
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{
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goto Done;
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}
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}
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else
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{
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goto Done;
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}
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}
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while (S_OK == (hr = HrSetupFindNextLine(infContext, &infContext)));
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}
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if (hr == S_FALSE)
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{
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// S_FALSE will terminate the loop successfully, so convert it to S_OK
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// here.
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hr = S_OK;
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}
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Done:
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TraceHr (ttidError, FAL, hr, (SPAPI_E_LINE_NOT_FOUND == hr),
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"HrProcessInfExtension");
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return hr;
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}
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