Module: kamailio Branch: 5.4 Commit: ac56dfde20c5e689fb911debdd33a6155f7b130c URL: https://github.com/kamailio/kamailio/commit/ac56dfde20c5e689fb911debdd33a61… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2020-08-27T12:36:11+02:00 usrloc: get_udomain() - safety checks for location table name parameter (cherry picked from commit 29dde9fea1eb21b4bb484286f7443dd32f611bd2) --- Modified: src/modules/usrloc/dlist.c --- Diff: https://github.com/kamailio/kamailio/commit/ac56dfde20c5e689fb911debdd33a61… Patch: https://github.com/kamailio/kamailio/commit/ac56dfde20c5e689fb911debdd33a61… --- diff --git a/src/modules/usrloc/dlist.c b/src/modules/usrloc/dlist.c index cba8ec425c..96a95fe3c9 100644 --- a/src/modules/usrloc/dlist.c +++ b/src/modules/usrloc/dlist.c @@ -792,13 +792,24 @@ int get_udomain(const char* _n, udomain_t** _d) dlist_t* d; str s; + if(_n == NULL) { + LM_ERR("null location table name\n"); + goto notfound; + } + s.s = (char*)_n; s.len = strlen(_n); + if(s.len <= 0) { + LM_ERR("empty location table name\n"); + goto notfound; + } if (find_dlist(&s, &d) == 0) { *_d = d->d; return 0; } + +notfound: *_d = NULL; return -1; }