Module: kamailio Branch: master Commit: cc661d776621a5f2d4370eb364402c2a53242cc7 URL: https://github.com/kamailio/kamailio/commit/cc661d776621a5f2d4370eb364402c2… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2018-03-30T17:23:29+02:00 app_lua: test if number of parameters is enough for kemi funtions --- Modified: src/modules/app_lua/app_lua_sr.c --- Diff: https://github.com/kamailio/kamailio/commit/cc661d776621a5f2d4370eb364402c2… Patch: https://github.com/kamailio/kamailio/commit/cc661d776621a5f2d4370eb364402c2… --- diff --git a/src/modules/app_lua/app_lua_sr.c b/src/modules/app_lua/app_lua_sr.c index 64ebafae40..72d2eb0ddf 100644 --- a/src/modules/app_lua/app_lua_sr.c +++ b/src/modules/app_lua/app_lua_sr.c @@ -1489,9 +1489,27 @@ int sr_kemi_lua_exec_func_ex(lua_State* L, sr_kemi_t *ket, int pdelta) for(i=0; i<SR_KEMI_PARAMS_MAX; i++) { if(ket->ptypes[i]==SR_KEMIP_NONE) { break; - } else if(ket->ptypes[i]==SR_KEMIP_STR) { + } + if(argc<i+pdelta+1) { + LM_ERR("not enough parameters for: %.*s.%.*s\n", + mname->len, mname->s, fname->len, fname->s); + return app_lua_return_false(L); + } + if(ket->ptypes[i]==SR_KEMIP_STR) { vps[i].s.s = (char*)lua_tostring(L, i+pdelta+1); - vps[i].s.len = strlen(vps[i].s.s); + if(vps[i].s.s!=NULL) { + if(lua_isstring(L, i+pdelta+1)) { +#if LUA_VERSION_NUM > 501 + vps[i].s.len = lua_rawlen(L, i+pdelta+1); +#else + vps[i].s.len = lua_strlen(L, i+pdelta+1); +#endif + } else { + vps[i].s.len = strlen(vps[i].s.s); + } + } else { + vps[i].s.len = 0; + } LM_DBG("param[%d] for: %.*s is str: %.*s\n", i, fname->len, fname->s, vps[i].s.len, vps[i].s.s); } else if(ket->ptypes[i]==SR_KEMIP_INT) {