* [Added]:

- DNS (WAN) sync for those pesky disconnections (dynamic ip renewal). 

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@7275 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 38 insertions, 0 deletions

diff --git a/src/char_sql/char.c b/src/char_sql/char.c
index 0b7ea6464..51f40b498 100644
--- a/src/char_sql/char.c
+++ b/src/char_sql/char.c
@@ -104,6 +104,8 @@ int char_per_account = 0; //Maximum charas per account (default unlimited) [Siri
 int log_char = 1;	// loggin char or not [devil]

 int log_inter = 1;	// loggin inter or not [devil]

 

+char *char_server_dns = NULL;

+

 // Advanced subnet check [LuzZza]

 struct _subnet {

 	long subnet;

@@ -1782,6 +1784,7 @@ int mmo_char_send006b(int fd, struct char_session_data *sd) {
 int parse_tologin(int fd) {

 	int i;

 	struct char_session_data *sd;

+	struct hostent *h;

 

 	// only login-server can have an access to here.

 	// so, if it isn't the login-server, we disconnect the session.

@@ -2178,6 +2181,26 @@ int parse_tologin(int fd) {
 			}

 			break;

 

+		case 0x2735:

+			ShowInfo("IP Sync in progress...\n");

+			h = char_server_dns?gethostbyname(char_server_dns):NULL;

+			if(h){

+				WFIFOW(fd,0) = 0x2736;

+				WFIFOB(fd,2) = h->h_addr[0];

+				WFIFOB(fd,3) = h->h_addr[1];

+				WFIFOB(fd,4) = h->h_addr[2];

+				WFIFOB(fd,5) = h->h_addr[3];

+				WFIFOSET(fd, 6);

+			}

+			for(i = 0; i < MAX_MAP_SERVERS; i++){

+				if(server_fd[i] >= 0){

+					WFIFOW(server_fd[i], 0) = 0x2b1e;

+					WFIFOSET(server_fd[i], 2);

+				}

+			}

+			RFIFOSKIP(fd,2);

+			break;

+

 		default:

 			ShowError("Unknown packet 0x%04x from login server, disconnecting.\n", RFIFOW(fd, 0));

 			session[fd]->eof = 1;

@@ -2971,6 +2994,16 @@ int parse_frommap(int fd) {
 			break;

 		}

 

+		case 0x2736:

+			for(i = 0; i < MAX_MAP_SERVERS; i++){

+				if(server_fd[i] == fd){

+					ShowInfo("IP Sync (Server #%d) successful.\n",i);

+					server[i].ip = RFIFOL(fd, 2);

+				}

+			}

+			RFIFOSKIP(fd,6);

+			break;

+

 		default:

 			// inter server - packet

 			{

@@ -3928,6 +3961,8 @@ void do_final(void) {
 	char_db_->destroy(char_db_, NULL);

 	online_char_db->destroy(online_char_db, NULL);

 

+	if(char_server_dns) aFree(char_server_dns);

+

 	mysql_close(&mysql_handle);

 	if(char_gm_read)

 		mysql_close(&lmysql_handle);

@@ -4071,6 +4106,9 @@ int char_config_read(const char *cfgName) {
 		} else if (strcmpi(w1, "login_ip") == 0) {

 			login_ip_set_ = 1;

 			h = gethostbyname (w2);

+			if(char_server_dns)

+				aFree(char_server_dns);

+			char_server_dns = (char *)aCalloc(strlen(w2)+1, 1);

 			if (h != NULL) {

 				ShowStatus("Login server IP address : %s -> %d.%d.%d.%d\n", w2, (unsigned char)h->h_addr[0], (unsigned char)h->h_addr[1], (unsigned char)h->h_addr[2], (unsigned char)h->h_addr[3]);

 				sprintf(login_ip_str, "%d.%d.%d.%d", (unsigned char)h->h_addr[0], (unsigned char)h->h_addr[1], (unsigned char)h->h_addr[2], (unsigned char)h->h_addr[3]);