# HG changeset patch # User Matt Johnston # Date 1424787424 -28800 # Node ID 3fb883a6aa810390f9722b531d8223cd3998b42e # Parent 2b4fd440399d097d378eb74bb4c758a1318b89e0 Some additional cleanup functions diff -r 2b4fd440399d -r 3fb883a6aa81 common-session.c --- a/common-session.c Tue Feb 24 22:01:33 2015 +0800 +++ b/common-session.c Tue Feb 24 22:17:04 2015 +0800 @@ -260,13 +260,16 @@ return; } + /* Beware of changing order of functions here. */ + + /* Must be before extra_session_cleanup() */ + chancleanup(); + if (ses.extra_session_cleanup) { ses.extra_session_cleanup(); } - chancleanup(); - - /* Most dropbear functions are unsafe to run after this point */ + /* After these are freed most functions will exit */ #ifdef DROPBEAR_CLEANUP /* listeners call cleanup functions, this should occur before other session state is freed. */ @@ -289,6 +292,12 @@ cleanup_buf(&ses.payload); cleanup_buf(&ses.readbuf); cleanup_buf(&ses.writepayload); + cleanup_buf(&ses.kexhashbuf); + cleanup_buf(&ses.transkexinit); + if (ses.dh_K) { + mp_clear(ses.dh_K); + } + m_free(ses.dh_K); m_burn(ses.keys, sizeof(struct key_context)); m_free(ses.keys); diff -r 2b4fd440399d -r 3fb883a6aa81 svr-session.c --- a/svr-session.c Tue Feb 24 22:01:33 2015 +0800 +++ b/svr-session.c Tue Feb 24 22:17:04 2015 +0800 @@ -83,8 +83,9 @@ svr_pubkey_options_cleanup(); m_free(svr_ses.addrstring); + m_free(svr_ses.remotehost); m_free(svr_ses.childpids); - m_free(svr_ses.remotehost); + svr_ses.childpidsize = 0; } static void