514 lines
14 KiB
C++
514 lines
14 KiB
C++
// ===========================================================================
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// File: HOOKS.CXX
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// implements CSetupHook
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#include <cdlpch.h>
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#include "advpkp.h"
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#include "advpub.h"
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CRunSetupHook g_RunSetupHook;
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extern DWORD g_dwCodeDownloadSetupFlags;
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::CSetupHook
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// ---------------------------------------------------------------------------
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CSetupHook::CSetupHook(
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CDownload *pdl,
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LPCSTR szHook,
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LPCSTR szInf,
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LPCSTR szInfSection,
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DWORD flags,
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HRESULT *phr)
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:
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m_pdl(pdl),
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m_flags(flags),
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m_state(INSTALL_INIT)
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{
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Assert(szInf);
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*phr = S_OK;
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if (szInf) {
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m_szInf= new char [lstrlen(szInf)+1];
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if (m_szInf)
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lstrcpy(m_szInf, szInf);
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else
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*phr = E_OUTOFMEMORY;
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} else {
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m_szInf = NULL;
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}
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if (szInfSection) {
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m_szInfSection = new char [lstrlen(szInfSection)+1];
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if (m_szInfSection)
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lstrcpy(m_szInfSection, szInfSection);
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else
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*phr = E_OUTOFMEMORY;
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} else {
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m_szInfSection = NULL;
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}
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if (szHook) {
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m_szHook = new char [lstrlen(szHook)+1];
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if (m_szHook)
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lstrcpy(m_szHook, szHook);
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else
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*phr = E_OUTOFMEMORY;
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} else {
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m_szHook = NULL;
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}
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} // CSetupHook
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::~CSetupHook
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// ---------------------------------------------------------------------------
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CSetupHook::~CSetupHook()
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{
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if (m_szInf)
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SAFEDELETE(m_szInf);
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if (m_szInfSection)
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SAFEDELETE(m_szInfSection);
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if (m_szHook)
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SAFEDELETE(m_szHook);
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} // ~CSetupHook
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::ExpandVar
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// ---------------------------------------------------------------------------
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HRESULT
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CSetupHook::ExpandVar(
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LPSTR& pchSrc, // passed by ref!
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LPSTR& pchOut, // passed by ref!
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DWORD& cbLen, // passed by ref!
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DWORD cbBuffer,
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const char * szVars[],
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const char * szValues[])
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{
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HRESULT hr = S_FALSE;
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int cbvar = 0;
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Assert (*pchSrc == '%');
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for (int i=0; szVars[i] && (cbvar = lstrlen(szVars[i])) ; i++) { // for each variable
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int cbneed = 0;
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if ( (szValues[i] == NULL) || !(cbneed = lstrlen(szValues[i])))
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continue;
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cbneed++; // add for nul
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if (0 == strncmp(szVars[i], pchSrc, cbvar)) {
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// found something we can expand
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if ((cbLen + cbneed) >= cbBuffer) {
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// out of buffer space
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*pchOut = '\0'; // term
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hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
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goto Exit;
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}
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lstrcpy(pchOut, szValues[i]);
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cbLen += (cbneed -1); //don't count the nul
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pchSrc += cbvar; // skip past the var in pchSrc
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pchOut += (cbneed -1); // skip past dir in pchOut
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hr = S_OK;
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goto Exit;
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}
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}
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Exit:
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return hr;
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}
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::TranslateString
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// ---------------------------------------------------------------------------
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HRESULT
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CSetupHook::TranslateString()
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{
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Assert(m_pdl);
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Assert(m_szInf);
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Assert(m_szHook);
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HRESULT hr = S_OK;
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DWORD flags = (g_dwCodeDownloadSetupFlags & CDSF_USE_SETUPAPI)?RSC_FLAG_SETUPAPI:0;
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// there's a command line in the run= command.
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// have advpack tranalate it for us.
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DWORD dwBufferSize = 0;
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DWORD dwRequiredSize = 0;
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// get reqd size to hold expanded string
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#ifdef WX86
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if (m_pdl->GetCodeDownload()->GetMultiArch()->GetRequiredArch() == PROCESSOR_ARCHITECTURE_INTEL) {
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hr = g_RunSetupHook.TranslateInfStringX86(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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NULL, // find out size reqd.
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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} else {
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hr = g_RunSetupHook.TranslateInfString(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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NULL, // find out size reqd.
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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}
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#else
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hr = g_RunSetupHook.TranslateInfString(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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NULL, // find out size reqd.
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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#endif
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if (FAILED(hr))
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goto Exit;
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Assert(dwRequiredSize);
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if (m_szInf)
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SAFEDELETE(m_szInf);
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m_szInf= new char [(dwBufferSize = dwRequiredSize+1)];
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if (!m_szInf) {
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hr = E_OUTOFMEMORY;
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goto Exit;
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}
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// the real thing
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#ifdef WX86
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if (m_pdl->GetCodeDownload()->GetMultiArch()->GetRequiredArch() == PROCESSOR_ARCHITECTURE_INTEL) {
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hr = g_RunSetupHook.TranslateInfStringX86(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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m_szInf,
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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} else {
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hr = g_RunSetupHook.TranslateInfString(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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m_szInf,
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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}
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#else
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hr = g_RunSetupHook.TranslateInfString(
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m_pdl->GetCodeDownload()->GetMainInf(), // inf name
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NULL, // use DefaultInstall
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m_szHook, // hook section name
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"run", // key name
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m_szInf,
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dwBufferSize,
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&dwRequiredSize,
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(PVOID)flags);
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#endif
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Exit:
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return hr;
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}
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::ExpandCommandLine
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// ---------------------------------------------------------------------------
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HRESULT
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CSetupHook::ExpandCommandLine(
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LPSTR szSrc,
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LPSTR szBuf,
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DWORD cbBuffer,
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const char * szVars[],
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const char * szValues[])
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{
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Assert(cbBuffer);
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HRESULT hr = S_FALSE;
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LPSTR pchSrc = szSrc; // start parsing at begining of cmdline
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LPSTR pchOut = szBuf; // set at begin of out buffer
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DWORD cbLen = 0;
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while (*pchSrc) {
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// look for match of any of our env vars
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if (*pchSrc == '%') {
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HRESULT hr1 = ExpandVar(pchSrc, pchOut, cbLen, // all passed by ref!
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cbBuffer, szVars, szValues);
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if (FAILED(hr1)) {
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hr = hr1;
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goto Exit;
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}
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if (hr1 == S_OK) { // expand var expanded this
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hr = hr1;
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continue;
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}
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}
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// copy till the next % or nul
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if ((cbLen + 1) < cbBuffer) {
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*pchOut++ = *pchSrc++;
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cbLen++;
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} else {
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// out of buffer space
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*pchOut = '\0'; // term
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hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
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goto Exit;
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}
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}
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*pchOut = '\0'; // term
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Exit:
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return hr;
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}
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// ---------------------------------------------------------------------------
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// %%Function: CSetupHook::Run
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// ---------------------------------------------------------------------------
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HRESULT
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CSetupHook::Run()
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{
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Assert(m_pdl);
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CCodeDownload *pcdl = m_pdl->GetCodeDownload();
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Assert(pcdl);
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HWND hWnd = pcdl->GetClientBinding()->GetHWND();
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HANDLE hExe = INVALID_HANDLE_VALUE;
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HRESULT hr = S_OK;
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DWORD flags = m_flags;
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#define SIZE_CMD_LINE 2048
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char szBuf[SIZE_CMD_LINE]; // enough for commandline
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DWORD nStatusText = 0;
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WCHAR szStatusText[SIZE_CMD_LINE];
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Assert(m_szInf);
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// BEGIN NOTE: add vars and values in matching order
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// add a var by adding a new define VAR_NEW_VAR = NUM_VARS++
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const char *szVars[] = {
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#define VAR_EXTRACT_DIR 0 // dir hook CABs are expanded to temporarily
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"%EXTRACT_DIR%",
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#define VAR_OBJECT_DIR 1 // dir the main object will be installed to
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"%OBJECT_DIR%", // usually activex cache dir, sometimes
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// a conflict dir or dir of prev version
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// of object
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#define VAR_SRC_URL 2 // CODEBASE where we got this from
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"%SRC_URL%",
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#define NUM_VARS 3
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""
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};
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char szSrcURL[INTERNET_MAX_URL_LENGTH];
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LPCWSTR wzSrcURL = NULL;
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szSrcURL[0] = '\0';
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if ((wzSrcURL = GetSrcURL()) != NULL) {
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WideCharToMultiByte(CP_ACP, 0, wzSrcURL, -1, szSrcURL, MAX_PATH, 0, 0);
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}
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const char *szValues[NUM_VARS + 1];
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szValues[VAR_EXTRACT_DIR] = GetHookDir();
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szValues[VAR_OBJECT_DIR] = GetObjectDir();
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szValues[VAR_SRC_URL] = szSrcURL;
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szValues[NUM_VARS] = NULL;
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// END NOTE: add vars and values in matching order
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if (m_flags & RSC_FLAG_INF) {
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flags |= RSC_FLAG_QUIET;
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if (g_dwCodeDownloadSetupFlags & CDSF_USE_SETUPAPI)
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flags |= RSC_FLAG_SETUPAPI;
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// get fully qualified name for INF
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if (GetHookDir()) {
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if (!catDirAndFile(szBuf, SIZE_CMD_LINE, GetHookDir(),
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m_szInf)) {
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hr = E_UNEXPECTED;
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goto Exit;
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}
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} else {
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// no hook dir
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Assert(m_pdl->GetExtn() != FILEXTN_CAB);
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lstrcpy(szBuf, m_pdl->GetFileName());
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}
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} else {
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// cmd line
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// have ADVPACK expand out custom LDID vars in run= cmdline
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// then we will process for our own vars
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// this allows the user to specify custom dirs thru the INF
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// and use it in the cmd line off registry keys
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hr = TranslateString();
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if (FAILED(hr))
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goto Exit;
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// look for and substitute variables like %EXTRACT_DIR%
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// and expand out the command line
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hr = ExpandCommandLine(m_szInf, szBuf, SIZE_CMD_LINE, szVars, szValues);
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if (FAILED(hr))
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goto Exit;
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hr = S_OK; // reset
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}
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nStatusText = MultiByteToWideChar(CP_ACP, 0, szBuf,
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-1, szStatusText, SIZE_CMD_LINE);
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#ifdef WX86
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if (m_pdl->GetCodeDownload()->GetMultiArch()->GetRequiredArch() == PROCESSOR_ARCHITECTURE_INTEL) {
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hr = g_RunSetupHook.RunSetupCommandX86(hWnd,
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szBuf,
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m_szInfSection,
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// extracted files in this dir
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(char *)((GetHookDir())?GetHookDir():m_pdl->GetCodeDownload()->GetCacheDir()),
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NULL, /*title*/
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&hExe, // handle to wait on for EXE
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flags,
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NULL);
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} else {
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hr = g_RunSetupHook.RunSetupCommand(hWnd,
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szBuf,
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m_szInfSection,
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// extracted files in this dir
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(char *)((GetHookDir())?GetHookDir():m_pdl->GetCodeDownload()->GetCacheDir()),
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NULL, /*title*/
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&hExe, // handle to wait on for EXE
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flags,
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NULL);
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}
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#else
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hr = g_RunSetupHook.RunSetupCommand(hWnd,
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szBuf,
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m_szInfSection,
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// extracted files in this dir
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(char *)((GetHookDir())?GetHookDir():m_pdl->GetCodeDownload()->GetCacheDir()),
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NULL, /*title*/
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&hExe, // handle to wait on for EXE
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flags,
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NULL);
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#endif
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if (SUCCEEDED(hr) && (m_flags & RSC_FLAG_INF)) {
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// pass a notification to reboot
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if (hr == ERROR_SUCCESS_REBOOT_REQUIRED) {
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ICodeInstall* pCodeInstall = pcdl->GetICodeInstall();
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if (pCodeInstall) {
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pCodeInstall->OnCodeInstallProblem(
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CIP_NEED_REBOOT,
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NULL, szStatusText, 0);
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}
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pcdl->SetRebootRequired();
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hr = S_OK;
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}
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}
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// if we launched an EXE then we would have to mark as waiting for it
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if (hExe != INVALID_HANDLE_VALUE) {
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pcdl->SetWaitingForEXE(szBuf, FALSE /*don't delete EXE */);
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pcdl->SetWaitingForEXEHandle(hExe);
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}
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Exit:
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if (FAILED(hr)) {
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pcdl->CodeDownloadDebugOut(DEB_CODEDL, TRUE, ID_CDLDBG_RUNSETUPHOOK_FAILED, hr, m_szInf);
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} else {
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pcdl->CodeDownloadDebugOut(DEB_CODEDL, TRUE, ID_CDLDBG_HOOK_COMPLETE, m_szHook);
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}
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SetState(INSTALL_DONE);
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return hr;
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}
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