rc: wireguard.c: constify args in some functions

release/src-rt-6.x.4708/router/rc/wireguard.c

@@ -43,7 +43,7 @@
 
 char port[BUF_SIZE_8];
 
-static void wg_build_firewall(int unit, char *port, char *iface) {
+static void wg_build_firewall(const int unit, const char *port, const char *iface) {
 	FILE *fp;
 	char buffer[BUF_SIZE_64];
 	char *dns;
@@ -189,7 +189,7 @@ static void wg_build_firewall(int unit, char *port, char *iface) {
 	logmsg(LOG_DEBUG, "*** %s: Done", __FUNCTION__);
 }
 
-static int wg_quick_iface(char *iface, char *file, int up)
+static int wg_quick_iface(char *iface, const char *file, const int up)
 {
 	char buffer[BUF_SIZE_32];
 	char *up_down = (up == 1 ? "up" : "down");
@@ -219,7 +219,7 @@ static int wg_quick_iface(char *iface, char *file, int up)
 	return 0;
 }
 
-static void find_port(int unit, char *port)
+static void find_port(const int unit, char *port)
 {
 	char *b;
 
@@ -274,7 +274,7 @@ static int wg_create_iface(char *iface)
 	return 0;
 }
 
-static int wg_set_iface_addr(char *iface, char *addr)
+static int wg_set_iface_addr(char *iface, const char *addr)
 {
 	char *nv, *b;
 
@@ -315,7 +315,7 @@ static int wg_set_iface_port(char *iface, char *port)
 	return 0;
 }
 
-static int wg_set_iface_privkey(char *iface, char *privkey)
+static int wg_set_iface_privkey(char *iface, const char *privkey)
 {
 	FILE *fp;
 	char buffer[BUF_SIZE];
@@ -397,7 +397,7 @@ static int wg_set_iface_up(char *iface)
 	return -1;
 }
 
-static int wg_iface_script(int unit, char *script_name)
+static int wg_iface_script(const int unit, const char *script_name)
 {
 	char *script;
 	char buffer[BUF_SIZE_32];
@@ -445,27 +445,27 @@ static int wg_iface_script(int unit, char *script_name)
 	return 0;
 }
 
-static void wg_iface_pre_up(int unit)
+static void wg_iface_pre_up(const int unit)
 {
 	wg_iface_script(unit, "preup");
 }
 
-static void wg_iface_post_up(int unit)
+static void wg_iface_post_up(const int unit)
 {
 	wg_iface_script(unit, "postup");
 }
 
-static void wg_iface_pre_down(int unit)
+static void wg_iface_pre_down(const int unit)
 {
 	wg_iface_script(unit, "predown");
 }
 
-static void wg_iface_post_down(int unit)
+static void wg_iface_post_down(const int unit)
 {
 	wg_iface_script(unit, "postdown");
 }
 
-static int wg_set_peer_psk(char *iface, char *pubkey, char *presharedkey)
+static int wg_set_peer_psk(char *iface, char *pubkey, const char *presharedkey)
 {
 	FILE *fp;
 	char buffer[BUF_SIZE];
@@ -503,7 +503,7 @@ static int wg_set_peer_keepalive(char *iface, char *pubkey, char *keepalive)
 	return 0;
 }
 
-static int wg_set_peer_endpoint(char *iface, char *pubkey, char *endpoint, char *port)
+static int wg_set_peer_endpoint(char *iface, char *pubkey, const char *endpoint, const char *port)
 {
 	char buffer[BUF_SIZE_64];
 
@@ -558,7 +558,7 @@ static int wg_route_peer_custom(char *iface, char *route, char *table)
 	return 0;
 }
 
-static int wg_route_peer_allowed_ips(char *iface, char *allowed_ips, char *fwmark)
+static int wg_route_peer_allowed_ips(char *iface, const char *allowed_ips, const char *fwmark)
 {
 	char *aip, *b, *table, *rt, *tp, *ip, *nm;
 	int route_type = 1, result = 0;
@@ -606,7 +606,7 @@ static int wg_route_peer_allowed_ips(char *iface, char *allowed_ips, char *fwmar
 	return result;
 }
 
-static int wg_set_peer_allowed_ips(char *iface, char *pubkey, char *allowed_ips, char *fwmark)
+static int wg_set_peer_allowed_ips(char *iface, char *pubkey, char *allowed_ips, const char *fwmark)
 {
 	if (eval("wg", "set", iface, "peer", pubkey, "allowed-ips", allowed_ips)) {
 		logmsg(LOG_WARNING, "unable to add peer %s to wireguard interface %s!", pubkey, iface);
@@ -618,7 +618,7 @@ static int wg_set_peer_allowed_ips(char *iface, char *pubkey, char *allowed_ips,
 	return wg_route_peer_allowed_ips(iface, allowed_ips, fwmark);
 }
 
-static int wg_add_peer(char *iface, char *pubkey, char *allowed_ips, char *presharedkey, char *keepalive, char *endpoint, char *fwmark, char *port)
+static int wg_add_peer(char *iface, char *pubkey, char *allowed_ips, const char *presharedkey, char *keepalive, const char *endpoint, const char *fwmark, const char *port)
 {
 	/* set allowed ips / create peer */
 	wg_set_peer_allowed_ips(iface, pubkey, allowed_ips, fwmark);
@@ -703,7 +703,7 @@ static bool key_from_base64(uint8_t key[static WG_KEY_LEN], const char *base64)
 	return 1 & ((ret - 1) >> 8);
 }
 
-static void wg_pubkey(char *privkey, char *pubkey)
+static void wg_pubkey(const char *privkey, char *pubkey)
 {
 	uint8_t key[WG_KEY_LEN] __attribute__((aligned(sizeof(uintptr_t))));
 
@@ -712,7 +712,7 @@ static void wg_pubkey(char *privkey, char *pubkey)
 	key_to_base64(pubkey, key);
 }
 
-static int wg_add_peer_privkey(char *iface, char *privkey, char *allowed_ips, char *presharedkey, char *keepalive, char *endpoint, char *fwmark)
+static int wg_add_peer_privkey(char *iface, const char *privkey, char *allowed_ips, const char *presharedkey, char *keepalive, const char *endpoint, const char *fwmark)
 {
 	char pubkey[64];
 
@@ -803,7 +803,7 @@ void stop_wg_all(void)
 	modprobe_r("wireguard");
 }
 
-void start_wireguard(int unit)
+void start_wireguard(const int unit)
 {
 	char *nv, *nvp, *rka, *b;
 	char *priv, *name, *key, *psk, *ip, *ka, *aip, *ep;
@@ -918,7 +918,7 @@ out:
 	stop_wireguard(unit);
 }
 
-void stop_wireguard(int unit)
+void stop_wireguard(const int unit)
 {
 	char iface[IF_SIZE];
 	char buffer[BUF_SIZE];