6 files changed, 19 insertions, 20 deletions
diff --git a/src/network/core/address.cpp b/src/network/core/address.cpp
index 952229776..11b5d753f 100644
--- a/src/network/core/address.cpp
+++ b/src/network/core/address.cpp
@@ -156,7 +156,7 @@ bool NetworkAddress::IsFamily(int family)
  * @note netmask without /n assumes all bits need to match.
  * @return true if this IP is within the netmask.
  */
-bool NetworkAddress::IsInNetmask(char *netmask)
+bool NetworkAddress::IsInNetmask(const char *netmask)
 {
 	/* Resolve it if we didn't do it already */
 	if (!this->IsResolved()) this->GetAddress();
@@ -166,17 +166,16 @@ bool NetworkAddress::IsInNetmask(char *netmask)
 	NetworkAddress mask_address;
 
 	/* Check for CIDR separator */
-	char *chr_cidr = strchr(netmask, '/');
+	const char *chr_cidr = strchr(netmask, '/');
 	if (chr_cidr != NULL) {
 		int tmp_cidr = atoi(chr_cidr + 1);
 
 		/* Invalid CIDR, treat as single host */
 		if (tmp_cidr > 0 || tmp_cidr < cidr) cidr = tmp_cidr;
 
-		/* Remove and then replace the / so that NetworkAddress works on the IP portion */
-		*chr_cidr = '\0';
-		mask_address = NetworkAddress(netmask, 0, this->address.ss_family);
-		*chr_cidr = '/';
+		/* Remove the / so that NetworkAddress works on the IP portion */
+		std::string ip_str(netmask, chr_cidr - netmask);
+		mask_address = NetworkAddress(ip_str.c_str(), 0, this->address.ss_family);
 	} else {
 		mask_address = NetworkAddress(netmask, 0, this->address.ss_family);
 	}
diff --git a/src/network/core/address.h b/src/network/core/address.h
index 2f26a3d00..bd1bab676 100644
--- a/src/network/core/address.h
+++ b/src/network/core/address.h
@@ -129,7 +129,7 @@ public:
 	}
 
 	bool IsFamily(int family);
-	bool IsInNetmask(char *netmask);
+	bool IsInNetmask(const char *netmask);
 
 	/**
 	 * Compare the address of this class with the address of another.
diff --git a/src/network/core/tcp_listen.h b/src/network/core/tcp_listen.h
index 744f8841f..5668e48b2 100644
--- a/src/network/core/tcp_listen.h
+++ b/src/network/core/tcp_listen.h
@@ -54,13 +54,13 @@ public:
 
 			/* Check if the client is banned */
 			bool banned = false;
-			for (char *entry : _network_ban_list) {
-				banned = address.IsInNetmask(entry);
+			for (const auto &entry : _network_ban_list) {
+				banned = address.IsInNetmask(entry.c_str());
 				if (banned) {
 					Packet p(Tban_packet);
 					p.PrepareToSend();
 
-					DEBUG(net, 1, "[%s] Banned ip tried to join (%s), refused", Tsocket::GetName(), entry);
+					DEBUG(net, 1, "[%s] Banned ip tried to join (%s), refused", Tsocket::GetName(), entry.c_str());
 
 					if (send(s, (const char*)p.buffer, p.size, 0) < 0) {
 						DEBUG(net, 0, "send failed with error %d", GET_LAST_ERROR());
diff --git a/src/network/network.cpp b/src/network/network.cpp
index be92623e4..ab3884c56 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -632,8 +632,8 @@ void NetworkAddServer(const char *b)
  */
 void GetBindAddresses(NetworkAddressList *addresses, uint16 port)
 {
-	for (char *iter : _network_bind_list) {
-		addresses->emplace_back(iter, port);
+	for (const auto &iter : _network_bind_list) {
+		addresses->emplace_back(iter.c_str(), port);
 	}
 
 	/* No address, so bind to everything. */
@@ -647,10 +647,10 @@ void GetBindAddresses(NetworkAddressList *addresses, uint16 port)
  * by the function that generates the config file. */
 void NetworkRebuildHostList()
 {
-	_network_host_list.Clear();
+	_network_host_list.clear();
 
 	for (NetworkGameList *item = _network_game_list; item != NULL; item = item->next) {
-		if (item->manually) _network_host_list.push_back(stredup(item->address.GetAddressAsString(false)));
+		if (item->manually) _network_host_list.emplace_back(item->address.GetAddressAsString(false));
 	}
 }
 
diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index 0fd707676..fc5822641 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -1045,8 +1045,8 @@ void ShowNetworkGameWindow()
 	if (first) {
 		first = false;
 		/* Add all servers from the config file to our list. */
-		for (char *iter : _network_host_list) {
-			NetworkAddServer(iter);
+		for (const auto &iter : _network_host_list) {
+			NetworkAddServer(iter.c_str());
 		}
 	}
 
diff --git a/src/network/network_server.cpp b/src/network/network_server.cpp
index 97da64bd3..8022f5ede 100644
--- a/src/network/network_server.cpp
+++ b/src/network/network_server.cpp
@@ -2083,13 +2083,13 @@ uint NetworkServerKickOrBanIP(const char *ip, bool ban)
 	/* Add address to ban-list */
 	if (ban) {
 		bool contains = false;
-		for (char *iter : _network_ban_list) {
-			if (strcmp(iter, ip) == 0) {
+		for (const auto &iter : _network_ban_list) {
+			if (iter == ip) {
 				contains = true;
 				break;
 			}
 		}
-		if (!contains) _network_ban_list.push_back(stredup(ip));
+		if (!contains) _network_ban_list.emplace_back(ip);
 	}
 
 	uint n = 0;
@@ -2098,7 +2098,7 @@ uint NetworkServerKickOrBanIP(const char *ip, bool ban)
 	NetworkClientSocket *cs;
 	FOR_ALL_CLIENT_SOCKETS(cs) {
 		if (cs->client_id == CLIENT_ID_SERVER) continue;
-		if (cs->client_address.IsInNetmask(const_cast<char *>(ip))) {
+		if (cs->client_address.IsInNetmask(ip)) {
 			NetworkServerKickClient(cs->client_id);
 			n++;
 		}