void Executor::exec(CmdInfoPtr cmdInfo)
{
switch(cmdInfo->cmdType) {
case CmdInfo::C_CD : execCd(cmdInfo);
break;
case CmdInfo::C_KILL : execKill(cmdInfo);
break;
case CmdInfo::C_EXIT : execExit(cmdInfo);
break;
default: execProg(cmdInfo);
}
}
/* Try to resolve a size limit situation. This is used to support custom-file size handlers
* for omfile. It first runs the command, and then checks if we are still above the size
* treshold. Note that this works only with single file names, NOT with circular names.
* Note that pszCurrFName can NOT be taken from pThis, because the stream is closed when
* we are called (and that destroys pszCurrFName, as there is NO CURRENT file name!). So
* we need to receive the name as a parameter.
* initially wirtten 2005-06-21, moved to this class & updates 2009-06-01, both rgerhards
*/
static rsRetVal
resolveFileSizeLimit(strm_t *pThis, uchar *pszCurrFName)
{
uchar *pParams;
uchar *pCmd;
uchar *p;
off_t actualFileSize;
rsRetVal localRet;
DEFiRet;
ISOBJ_TYPE_assert(pThis, strm);
assert(pszCurrFName != NULL);
if(pThis->pszSizeLimitCmd == NULL) {
ABORT_FINALIZE(RS_RET_NON_SIZELIMITCMD); /* nothing we can do in this case... */
}
/* we first check if we have command line parameters. We assume this,
* when we have a space in the program name. If we find it, everything after
* the space is treated as a single argument.
*/
CHKmalloc(pCmd = ustrdup(pThis->pszSizeLimitCmd));
for(p = pCmd ; *p && *p != ' ' ; ++p) {
/* JUST SKIP */
}
if(*p == ' ') {
*p = '\0'; /* pretend string-end */
pParams = p+1;
} else
pParams = NULL;
/* the execProg() below is probably not great, but at least is is
* fairly secure now. Once we change the way file size limits are
* handled, we should also revisit how this command is run (and
* with which parameters). rgerhards, 2007-07-20
*/
execProg(pCmd, 1, pParams);
free(pCmd);
localRet = getFileSize(pszCurrFName, &actualFileSize);
if(localRet == RS_RET_OK && actualFileSize >= pThis->iSizeLimit) {
ABORT_FINALIZE(RS_RET_SIZELIMITCMD_DIDNT_RESOLVE); /* OK, it didn't work out... */
} else if(localRet != RS_RET_FILE_NOT_FOUND) {
/* file not found is OK, the command may have moved away the file */
ABORT_FINALIZE(localRet);
}
finalize_it:
if(iRet != RS_RET_OK) {
if(iRet == RS_RET_SIZELIMITCMD_DIDNT_RESOLVE) {
DBGPRINTF("file size limit cmd for file '%s' did no resolve situation\n", pszCurrFName);
} else {
DBGPRINTF("file size limit cmd for file '%s' failed with code %d.\n", pszCurrFName, iRet);
}
pThis->bDisabled = 1;
}
RETiRet;
}
