Module: kamailio Branch: master Commit: 4763773eddf5e0e5ea4ae35ee6c2002e05f8bd9d URL: https://github.com/kamailio/kamailio/commit/4763773eddf5e0e5ea4ae35ee6c2002… Author: Victor Seva &lt;linuxmaniac(a)torreviejawireless.org&gt; Committer: Victor Seva &lt;linuxmaniac(a)torreviejawireless.org&gt; Date: 2015-01-14T11:29:51+01:00 dialplan: skip check subexpressions on expressions with pvs --- Modified: modules/dialplan/dp_db.c Modified: modules/dialplan/dp_repl.c --- Diff: https://github.com/kamailio/kamailio/commit/4763773eddf5e0e5ea4ae35ee6c2002… Patch: https://github.com/kamailio/kamailio/commit/4763773eddf5e0e5ea4ae35ee6c2002… --- diff --git a/modules/dialplan/dp_db.c b/modules/dialplan/dp_db.c index 57b0e76..c1c421d 100644 --- a/modules/dialplan/dp_db.c +++ b/modules/dialplan/dp_db.c @@ -494,8 +494,10 @@ dpl_node_t * build_rule(db_val_t * values) LM_DBG("building rule for [%d:%.*s/%.*s/%.*s]\n", matchop, match_exp.len, ZSW(match_exp.s), subst_exp.len, ZSW(subst_exp.s), repl_exp.len, ZSW(repl_exp.s)); - if (repl_comp && (cap_cnt < repl_comp->max_pmatch) && - (repl_comp->max_pmatch != 0)) { + if (!(tflags&(DP_TFLAGS_PV_SUBST|DP_TFLAGS_PV_MATCH)) && + repl_comp && (cap_cnt < repl_comp->max_pmatch) && + (repl_comp->max_pmatch != 0)) + { LM_ERR("repl_exp %.*s refers to %d sub-expressions, but " "subst_exp %.*s has only %d\n", repl_exp.len, repl_exp.s, repl_comp->max_pmatch, diff --git a/modules/dialplan/dp_repl.c b/modules/dialplan/dp_repl.c index ee94be8..1e96ecf 100644 --- a/modules/dialplan/dp_repl.c +++ b/modules/dialplan/dp_repl.c @@ -188,7 +188,13 @@ int rule_translate(sip_msg_t *msg, str string, dpl_node_t * rule, } if(rule->tflags&DP_TFLAGS_PV_SUBST) { - subst_comp = dpl_dynamic_pcre(msg, &rule->subst_exp, NULL); + subst_comp = dpl_dynamic_pcre(msg, &rule->subst_exp, &cap_cnt); + if (cap_cnt > MAX_REPLACE_WITH) { + LM_ERR("subst expression %.*s has too many sub-expressions\n", + rule->subst_exp.len, rule->subst_exp.s); + if(subst_comp) pcre_free(subst_comp); + return -1; + } } else { subst_comp = rule->subst_comp; }