From: Iain Patterson <me@iain.cx>
Date: Thu, 13 Feb 2014 18:52:55 +0000 (+0000)
Subject: Don't crash when installing a service.
X-Git-Tag: v2.22~10
X-Git-Url: http://git.iain.cx/?p=nssm.git;a=commitdiff_plain;h=f05bb553036cf067637ca20223065a8f652df90b

Don't crash when installing a service.

install_service() calls edit_service() with a null username, causing
well_known_username() to segfault.

Thanks Czenda Czendov.
---

diff --git a/account.cpp b/account.cpp
index 5e6523f..19dc66e 100644
--- a/account.cpp
+++ b/account.cpp
@@ -166,6 +166,7 @@ const TCHAR *well_known_sid(SID *sid) {
 }
 
 const TCHAR *well_known_username(const TCHAR *username) {
+  if (! username) return NSSM_LOCALSYSTEM_ACCOUNT;
   if (str_equiv(username, NSSM_LOCALSYSTEM_ACCOUNT)) return NSSM_LOCALSYSTEM_ACCOUNT;
   SID *sid;
   int r = username_sid(username, &sid);