[sr-dev] git:master:490ae559: dialog: safety checks for bind addr fields

Module: kamailio Branch: master Commit: 490ae559d2b77b13b3f3831e7ff1aa58980e4086 URL: https://github.com/kamailio/kamailio/commit/490ae559d2b77b13b3f3831e7ff1aa5… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2021-06-03T15:28:31+02:00 dialog: safety checks for bind addr fields - they can be null on non-local sockets - GH #2757 --- Modified: src/modules/dialog/dlg_db_handler.c --- Diff: https://github.com/kamailio/kamailio/commit/490ae559d2b77b13b3f3831e7ff1aa5… Patch: https://github.com/kamailio/kamailio/commit/490ae559d2b77b13b3f3831e7ff1aa5… --- diff --git a/src/modules/dialog/dlg_db_handler.c b/src/modules/dialog/dlg_db_handler.c index 1bfcb2cad7..b6a49da2a4 100644 --- a/src/modules/dialog/dlg_db_handler.c +++ b/src/modules/dialog/dlg_db_handler.c @@ -802,6 +802,7 @@ int update_dialog_dbinfo_unsafe(struct dlg_cell * cell) int i; struct dlg_var *var; srjson_doc_t jdoc; + str sempty = str_init(""); db_val_t values[DIALOG_TABLE_COL_NO]; @@ -870,14 +871,25 @@ int update_dialog_dbinfo_unsafe(struct dlg_cell * cell) SET_STR_VALUE(values+6, cell->tag[DLG_CALLEE_LEG]); SET_PROPER_NULL_FLAG(cell->tag[DLG_CALLEE_LEG], values, 6); - LM_DBG("caller sock_info is %.*s, callee sock_info is %.*s\n", - cell->bind_addr[DLG_CALLER_LEG]->sock_str.len, - cell->bind_addr[DLG_CALLER_LEG]->sock_str.s, - cell->bind_addr[DLG_CALLEE_LEG]->sock_str.len, - cell->bind_addr[DLG_CALLEE_LEG]->sock_str.s); - SET_STR_VALUE(values+7, cell->bind_addr[DLG_CALLER_LEG]->sock_str); - SET_STR_VALUE(values+8, cell->bind_addr[DLG_CALLEE_LEG]->sock_str); + if(cell->bind_addr[DLG_CALLER_LEG]) { + LM_DBG("caller sock_info is %.*s\n", + cell->bind_addr[DLG_CALLER_LEG]->sock_str.len, + cell->bind_addr[DLG_CALLER_LEG]->sock_str.s); + SET_STR_VALUE(values+7, cell->bind_addr[DLG_CALLER_LEG]->sock_str); + } else { + LM_DBG("no caller sock_info\n"); + SET_STR_VALUE(values+7, sempty); + } + if(cell->bind_addr[DLG_CALLEE_LEG]) { + LM_DBG("callee sock_info is %.*s\n", + cell->bind_addr[DLG_CALLEE_LEG]->sock_str.len, + cell->bind_addr[DLG_CALLEE_LEG]->sock_str.s); + SET_STR_VALUE(values+8, cell->bind_addr[DLG_CALLEE_LEG]->sock_str); + } else { + LM_DBG("no callee sock_info\n"); + SET_STR_VALUE(values+8, sempty); + } SET_STR_VALUE(values+12, cell->cseq[DLG_CALLER_LEG]); SET_STR_VALUE(values+13, cell->cseq[DLG_CALLEE_LEG]);