Module: kamailio Branch: 4.2 Commit: da34ecf150ca91e98d32de144a3a77285e1e262c URL: https://github.com/kamailio/kamailio/commit/da34ecf150ca91e98d32de144a3a7728...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2015-07-29T12:35:27+02:00

pv: catch early setting $rU with empty string

- avoids backing up and restoring last char, which can create inappropriate access when using static empty string value

(cherry picked from commit adf1bca4a820e9cb5fcc94a1953b0fcdbd8a20da) (cherry picked from commit 3551d707fa497554f3da767e9fba8e046f83b417)

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Modified: modules/pv/pv_core.c

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Diff: https://github.com/kamailio/kamailio/commit/da34ecf150ca91e98d32de144a3a7728... Patch: https://github.com/kamailio/kamailio/commit/da34ecf150ca91e98d32de144a3a7728...

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diff --git a/modules/pv/pv_core.c b/modules/pv/pv_core.c index 56253b8..fc96cb5 100644 --- a/modules/pv/pv_core.c +++ b/modules/pv/pv_core.c @@ -2095,7 +2095,8 @@ int pv_set_ruri_user(struct sip_msg* msg, pv_param_t *param, return -1; } - if((val==NULL) || (val->flags&PV_VAL_NULL)) + if((val==NULL) || (val->flags&PV_VAL_NULL) + || ((val->flags&PV_VAL_STR) && val->rs.len<=0)) { memset(&act, 0, sizeof(act)); act.type = SET_USER_T;