static void tstRTProcQueryUsername(void)
{
RTTestISub("Basics");
size_t cbUser;
char szUser[1024];
memset(szUser, '-', sizeof(szUser));
/* negative stuff that may assert: */
bool fMayPanic = RTAssertSetMayPanic(false);
bool fQuiet = RTAssertSetQuiet(true);
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), NULL, 8, &cbUser), VERR_INVALID_PARAMETER);
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), szUser, 0, &cbUser), VERR_INVALID_PARAMETER);
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), NULL, 0, NULL), VERR_INVALID_PARAMETER);
RTTESTI_CHECK_RC(RTProcQueryUsernameA(RTProcSelf(), NULL), VERR_INVALID_POINTER);
RTAssertSetMayPanic(fMayPanic);
RTAssertSetQuiet(fQuiet);
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), NULL, 0, &cbUser), VERR_BUFFER_OVERFLOW);
memset(szUser, '-', sizeof(szUser));
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), szUser, cbUser - 1, &cbUser), VERR_BUFFER_OVERFLOW);
memset(szUser, '-', sizeof(szUser));
RTTESTI_CHECK_RC(RTProcQueryUsername(RTProcSelf(), szUser, sizeof(szUser), &cbUser), VINF_SUCCESS);
RTTestPrintf(NULL, RTTESTLVL_ALWAYS, "Username: %s\n", szUser); /* */
char *pszUser = NULL;
RTTESTI_CHECK_RC(RTProcQueryUsernameA(RTProcSelf(), &pszUser), VINF_SUCCESS);
RTTestPrintf(NULL, RTTESTLVL_ALWAYS, "Username: %s\n", pszUser);
RTTESTI_CHECK(strcmp(pszUser, szUser) == 0);
RTStrFree(pszUser);
}
static int tstRTCreateProcEx5Child(int argc, char **argv)
{
int rc = RTR3InitExe(argc, &argv, 0);
if (RT_FAILURE(rc))
return RTMsgInitFailure(rc);
uint32_t cErrors = 0;
/* Check that the OS thinks we're running as the user we're supposed to. */
char *pszUser;
rc = RTProcQueryUsernameA(NIL_RTPROCESS, &pszUser);
if (RT_SUCCESS(rc))
{
#ifdef RT_OS_WINDOWS
if (RTStrICmp(pszUser, argv[2]) != 0)
#else
if (RTStrCmp(pszUser, argv[2]) != 0)
#endif
{
RTStrmPrintf(g_pStdErr, "child4: user name is '%s', expected '%s'\n", pszUser, argv[2]);
cErrors++;
}
RTStrFree(pszUser);
}
else
{
RTStrmPrintf(g_pStdErr, "child4: RTProcQueryUsernameA failed: %Rrc\n", rc);
cErrors++;
}
return cErrors == 0 ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
}
/**
* Modifies the autostart database.
*
* @returns VBox status code.
* @param fAutostart Flag whether the autostart or autostop database is modified.
* @param fAddVM Flag whether a VM is added or removed from the database.
*/
int AutostartDb::autostartModifyDb(bool fAutostart, bool fAddVM)
{
int rc = VINF_SUCCESS;
char *pszUser = NULL;
/* Check if the path is set. */
if (!m_pszAutostartDbPath)
return VERR_PATH_NOT_FOUND;
rc = RTProcQueryUsernameA(RTProcSelf(), &pszUser);
if (RT_SUCCESS(rc))
{
char *pszFile;
uint64_t fOpen = RTFILE_O_DENY_ALL | RTFILE_O_READWRITE;
RTFILE hAutostartFile;
AssertPtr(pszUser);
if (fAddVM)
fOpen |= RTFILE_O_OPEN_CREATE;
else
fOpen |= RTFILE_O_OPEN;
rc = RTStrAPrintf(&pszFile, "%s/%s.%s",
m_pszAutostartDbPath, pszUser, fAutostart ? "start" : "stop");
if (RT_SUCCESS(rc))
{
rc = RTFileOpen(&hAutostartFile, pszFile, fOpen);
if (RT_SUCCESS(rc))
{
uint64_t cbFile;
/*
* Files with more than 16 bytes are rejected because they just contain
* a number of the amount of VMs with autostart configured, so they
* should be really really small. Anything else is bogus.
*/
rc = RTFileGetSize(hAutostartFile, &cbFile);
if ( RT_SUCCESS(rc)
&& cbFile <= 16)
{
char abBuf[16 + 1]; /* trailing \0 */
uint32_t cAutostartVms = 0;
RT_ZERO(abBuf);
/* Check if the file was just created. */
if (cbFile)
{
rc = RTFileRead(hAutostartFile, abBuf, cbFile, NULL);
if (RT_SUCCESS(rc))
{
rc = RTStrToUInt32Ex(abBuf, NULL, 10 /* uBase */, &cAutostartVms);
if ( rc == VWRN_TRAILING_CHARS
|| rc == VWRN_TRAILING_SPACES)
rc = VINF_SUCCESS;
}
}
if (RT_SUCCESS(rc))
{
size_t cbBuf;
/* Modify VM counter and write back. */
if (fAddVM)
cAutostartVms++;
else
cAutostartVms--;
if (cAutostartVms > 0)
{
cbBuf = RTStrPrintf(abBuf, sizeof(abBuf), "%u", cAutostartVms);
rc = RTFileSetSize(hAutostartFile, cbBuf);
if (RT_SUCCESS(rc))
rc = RTFileWriteAt(hAutostartFile, 0, abBuf, cbBuf, NULL);
}
else
{
/* Just delete the file if there are no VMs left. */
RTFileClose(hAutostartFile);
RTFileDelete(pszFile);
hAutostartFile = NIL_RTFILE;
}
}
}
else if (RT_SUCCESS(rc))
rc = VERR_FILE_TOO_BIG;
if (hAutostartFile != NIL_RTFILE)
RTFileClose(hAutostartFile);
}
RTStrFree(pszFile);
}
RTStrFree(pszUser);
}
return rc;
}
