Allow fuzzer access into core_cmds and core variables.

Author: sobomax

cmds.h

@@ -74,6 +74,10 @@ struct acmd_export_ {
 typedef struct cmd_export_  cmd_export_t;
 typedef struct acmd_export_ acmd_export_t;
 
+#ifdef FUZZ_BUILD
+extern const cmd_export_t core_cmds[];
+#endif
+
 const cmd_export_t* find_cmd_export_t(const char* name, int flags);
 int check_cmd_call_params(const cmd_export_t *cmd, action_elem_t *elems, int no_params);
 int check_acmd_call_params(const acmd_export_t *acmd, action_elem_t *elems, int no_params);

core_cmds.c

@@ -122,7 +122,10 @@ static int w_script_trace(struct sip_msg *msg, int *log_level,
 					pv_elem_t *fmt_string, void *info_str);
 static int w_is_myself(struct sip_msg *msg, str *host, int *port);
 
-static const cmd_export_t core_cmds[]={
+#ifndef FUZZ_BUILD
+static
+#endif
+const cmd_export_t core_cmds[]={
 	{"forward", (cmd_function)w_forward, {
 		{CMD_PARAM_STR|CMD_PARAM_OPT|CMD_PARAM_FIX_NULL,
 			fixup_forward_dest, fixup_free_destination}, {0,0,0}},

pvar.c

@@ -3855,7 +3855,10 @@ static int branch_flag_get(struct sip_msg *msg,  pv_param_t *param, pv_value_t *
 /**
  * the table with core pseudo-variables
  */
-static const pv_export_t _pv_names_table[] = {
+#ifndef FUZZ_BUILD
+static
+#endif
+const pv_export_t _pv_names_table[] = {
 	{str_init("avp"), PVT_AVP, pv_get_avp, pv_set_avp,
 		pv_parse_avp_name, pv_parse_avp_index, 0, 0},
 	{str_init("hdr"), PVT_HDR, pv_get_hdr, 0, pv_parse_hdr_name,

pvar.h

@@ -226,6 +226,10 @@ typedef struct _pv_export {
 	int iparam;                    /*!< parameter for the init function */
 } pv_export_t;
 
+#ifdef FUZZ_BUILD
+extern const pv_export_t _pv_names_table[];
+#endif
+
 typedef struct _pv_elem
 {
 	str text;