Module: kamailio Branch: master Commit: e74b06c32bc2b090937350858f655af4ab89ff63 URL: https://github.com/kamailio/kamailio/commit/e74b06c32bc2b090937350858f655af4...
Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2020-09-04T10:22:52+02:00
pv: handle s.prefixes for empty values
- avoid crash due to invalid length of result, GH #2467
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Modified: src/modules/pv/pv_trans.c
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Diff: https://github.com/kamailio/kamailio/commit/e74b06c32bc2b090937350858f655af4... Patch: https://github.com/kamailio/kamailio/commit/e74b06c32bc2b090937350858f655af4...
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diff --git a/src/modules/pv/pv_trans.c b/src/modules/pv/pv_trans.c index 4de9849165..437e3b2e74 100644 --- a/src/modules/pv/pv_trans.c +++ b/src/modules/pv/pv_trans.c @@ -909,6 +909,7 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, if(!(val->flags&PV_VAL_STR)) val->rs.s = int2str(val->ri, &val->rs.len);
+ /* Set maximum prefix length */ max = val->rs.len; if(tp!=NULL) { @@ -947,7 +948,7 @@ int tr_eval_string(struct sip_msg *msg, tr_param_t *tp, int subtype, memset(val, 0, sizeof(pv_value_t)); val->flags = PV_VAL_STR; val->rs.s = _tr_buffer; - val->rs.len = j-1; + val->rs.len = (j>0)?(j-1):0; break;
-
Daniel-Constantin Mierla