RTDECL(int) RTManifestReadStandardFromFile(RTMANIFEST hManifest, const char *pszFilename)
{
RTFILE hFile;
uint32_t fFlags = RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN;
int rc = RTFileOpen(&hFile, pszFilename, fFlags);
if (RT_SUCCESS(rc))
{
RTVFSIOSTREAM hVfsIos;
rc = RTVfsIoStrmFromRTFile(hFile, fFlags, true /*fLeaveOpen*/, &hVfsIos);
if (RT_SUCCESS(rc))
{
rc = RTManifestReadStandard(hManifest, hVfsIos);
RTVfsIoStrmRelease(hVfsIos);
}
RTFileClose(hFile);
}
return rc;
}
/**
* Verifies the manifest and its signature.
*
* @returns VBox status code, failures with message.
* @param hOurManifest The manifest we compiled.
* @param hManifestFile The manifest file in the extension pack.
* @param hSignatureFile The manifest signature file.
* @param pszError Where to store an error message on failure.
* @param cbError The size of the buffer @a pszError points to.
*/
static int vboxExtPackVerifyManifestAndSignature(RTMANIFEST hOurManifest, RTVFSFILE hManifestFile, RTVFSFILE hSignatureFile,
char *pszError, size_t cbError)
{
/*
* Read the manifest from the extension pack.
*/
int rc = RTVfsFileSeek(hManifestFile, 0, RTFILE_SEEK_BEGIN, NULL);
if (RT_FAILURE(rc))
return vboxExtPackReturnError(rc, pszError, cbError, "RTVfsFileSeek failed: %Rrc", rc);
RTMANIFEST hTheirManifest;
rc = RTManifestCreate(0 /*fFlags*/, &hTheirManifest);
if (RT_FAILURE(rc))
return vboxExtPackReturnError(rc, pszError, cbError, "RTManifestCreate failed: %Rrc", rc);
RTVFSIOSTREAM hVfsIos = RTVfsFileToIoStream(hManifestFile);
rc = RTManifestReadStandard(hTheirManifest, hVfsIos);
RTVfsIoStrmRelease(hVfsIos);
if (RT_SUCCESS(rc))
{
/*
* Compare the manifests.
*/
static const char *s_apszIgnoreEntries[] =
{
VBOX_EXTPACK_MANIFEST_NAME,
VBOX_EXTPACK_SIGNATURE_NAME,
"./" VBOX_EXTPACK_MANIFEST_NAME,
"./" VBOX_EXTPACK_SIGNATURE_NAME,
NULL
};
char szError[RTPATH_MAX];
rc = RTManifestEqualsEx(hOurManifest, hTheirManifest, &s_apszIgnoreEntries[0], NULL,
RTMANIFEST_EQUALS_IGN_MISSING_ATTRS /*fFlags*/,
szError, sizeof(szError));
if (RT_SUCCESS(rc))
{
/*
* Validate the manifest file signature.
*/
/** @todo implement signature stuff */
NOREF(hSignatureFile);
}
else if (rc == VERR_NOT_EQUAL && szError[0])
vboxExtPackSetError(pszError, cbError, "Manifest mismatch: %s", szError);
else
vboxExtPackSetError(pszError, cbError, "RTManifestEqualsEx failed: %Rrc", rc);
#if 0
RTVFSIOSTREAM hVfsIosStdOut = NIL_RTVFSIOSTREAM;
RTVfsIoStrmFromStdHandle(RTHANDLESTD_OUTPUT, RTFILE_O_WRITE, true, &hVfsIosStdOut);
RTVfsIoStrmWrite(hVfsIosStdOut, "Our:\n", sizeof("Our:\n") - 1, true, NULL);
RTManifestWriteStandard(hOurManifest, hVfsIosStdOut);
RTVfsIoStrmWrite(hVfsIosStdOut, "Their:\n", sizeof("Their:\n") - 1, true, NULL);
RTManifestWriteStandard(hTheirManifest, hVfsIosStdOut);
#endif
}
else
vboxExtPackSetError(pszError, cbError, "Error parsing '%s': %Rrc", VBOX_EXTPACK_MANIFEST_NAME, rc);
RTManifestRelease(hTheirManifest);
return rc;
}