Prevent runaway loop on kinit termination

src/libtdeldap.cpp

@@ -837,6 +837,14 @@ TQString readFullLineFromPtyProcess(PtyProcess* proc) {
 	while ((!result.contains("\r")) && (!result.contains(":")) && (!result.contains(">"))) {
 		result = result + TQString(proc->readLine(false));
 		tqApp->processEvents();
+		if (!TQFile::exists(TQString("/proc/%1/exe").arg(proc->pid()))) {
+			result.replace("\n", "");
+			result.replace("\r", "");
+			if (result == "") {
+				result = "TDE process terminated";
+			}
+			break;
+		}
 	}
 	result.replace("\n", "");
 	result.replace("\r", "");
@@ -1222,11 +1230,11 @@ int LDAPManager::obtainKerberosTicket(LDAPCredentials creds, TQString principal,
 		kadminProc.writeLine(creds.password, true);
 		do { // Discard our own input
 			prompt = readFullLineFromPtyProcess(&kadminProc);
-			printf("(kadmin) '%s'\n\r", prompt.ascii());
+			printf("(kinit) '%s'\n\r", prompt.ascii());
 		} while (prompt == "");
 		prompt = prompt.stripWhiteSpace();
 	}
-	if (prompt != "") {
+	if ((prompt != "") && (prompt != "TDE process terminated")) {
 		if (errstr) *errstr = prompt;
 		return 1;
 	}