core: ppcfg - remove enclosing quotes when exporting defined value to snexpr

src/core/ppcfg.c

@@ -390,13 +390,18 @@ static struct snexpr* pp_snexpr_defval(char *vname)
 	if(pd->value.s != NULL) {
 		LM_DBG("define id [%s] at index [%d] found with value - return [%.*s]\n",
 				vname, idx, pd->value.len, pd->value.s);
-		return snexpr_convert_stzl(pd->value.s, pd->value.len, SNE_OP_CONSTSTZ);
+		if(pd->value.len>=2 && (pd->value.s[0]=='"' || pd->value.s[0]=='\'')
+				&& pd->value.s[0]==pd->value.s[pd->value.len-1]) {
+			/* strip enclosing quotes for string value */
+			return snexpr_convert_stzl(pd->value.s+1, pd->value.len-1, SNE_OP_CONSTSTZ);
+		} else {
+			return snexpr_convert_stzl(pd->value.s, pd->value.len, SNE_OP_CONSTSTZ);
+		}
 	} else {
 		LM_DBG("define id [%s] at index [%d] found without value - return 1\n",
 				vname, idx);
 		return snexpr_convert_num(1, SNE_OP_CONSTNUM);
 	}
-
 }
 
 void pp_ifexp_eval(char *exval, int exlen)