From 0a74f9ba775857aeb281266a6e8cc10052023774 Mon Sep 17 00:00:00 2001 From: Dennis Friis Date: Sat, 31 May 2008 12:59:35 +0000 Subject: Add optional update_host to loginserver so you can tell the client that an alternative update host is available. Based on patch by Sanga --- src/login/login.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'src/login/login.c') diff --git a/src/login/login.c b/src/login/login.c index 8d9818d..30c6152 100644 --- a/src/login/login.c +++ b/src/login/login.c @@ -41,6 +41,7 @@ int login_port = 6900; char lan_char_ip[16]; int subneti[4]; int subnetmaski[4]; +char update_host[128] = ""; char account_filename[1024] = "save/account.txt"; char GM_account_filename[1024] = "conf/GM_account.txt"; @@ -2706,6 +2707,7 @@ int parse_login(int fd) { int result, i, j; unsigned char *p = (unsigned char *) &session[fd]->client_addr.sin_addr; char ip[16]; + int host_len; sprintf(ip, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]); @@ -2788,6 +2790,29 @@ int parse_login(int fd) { printf("Connection of the GM (level:%d) account '%s' accepted.\n", gm_level, account.userid); else printf("Connection of the account '%s' accepted.\n", account.userid); + + /* + * Add a 0x0063 packet, which contains the name of the update host. The packet will only + * be sent if login_athena.conf contains a non-null entry for "update_host:" + * + * Because older clients cannot handle the 0x63 packet, we check the "version 2" value + * from the incoming 0x64 packet (the byte at offset 54). If bit 0 of this is set, + * then the client can safely accept the 0x63 packet. The "version 2" value is not + * otherwise used by eAthena. + */ + if ((RFIFOW(fd, 0) == 0x64) && (RFIFOB(fd, 54) & 0x01)) + { + host_len = (int)strlen(update_host); + if (host_len > 0) + { + WFIFOW(fd, 0) = 0x63; + WFIFOW(fd, 2) = 4 + host_len; + memcpy(WFIFOP(fd, 4), update_host, host_len); + WFIFOSET(fd, 4 + host_len); + } + } + + // Load list of char servers into outbound packet server_num = 0; for(i = 0; i < MAX_SERVERS; i++) { if (server_fd[i] >= 0) { @@ -3351,6 +3376,9 @@ int login_config_read(const char *cfgName) { ANTI_FREEZE_INTERVAL = 5; // minimum 5 seconds } else if (strcmpi(w1, "import") == 0) { login_config_read(w2); + } else if (strcmpi(w1, "update_host") == 0) { + strncpy(update_host, w2, sizeof(update_host)); + update_host[sizeof(update_host)-1] = '\0'; } } } -- cgit v1.2.3-70-g09d2