Mercurial > hg > openttd
changeset 5799:7d1fe5673df6 draft
(svn r8361) -Codechange: make sure the range of the dates coming from the network are valid in OpenTTD
-Codechange: use_password is a boolean variable
-Codechange: move range checking for server_lang and map_set to Recv_NetworkGameInfo
author | rubidium <rubidium@openttd.org> |
---|---|
date | Mon, 22 Jan 2007 21:38:16 +0000 |
parents | c0a6767818dc |
children | 9b2e11950b8f |
files | src/network/core/game.h src/network/core/udp.cpp src/network/network_udp.cpp |
diffstat | 3 files changed, 9 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/src/network/core/game.h +++ b/src/network/core/game.h @@ -27,7 +27,7 @@ bool version_compatible; ///< Can we connect to this server or not? (based on server_revision) bool compatible; ///< Can we connect to this server or not? (based on server_revision _and_ grf_match byte server_lang; ///< Language of the server (we should make a nice table for this) - byte use_password; ///< Is set to != 0 if it uses a password + bool use_password; ///< Is this server passworded? char server_password[NETWORK_PASSWORD_LENGTH]; ///< On the server: the game password, on the client: != "" if server has password byte clients_max; ///< Max clients allowed on server byte clients_on; ///< Current count of clients on server
--- a/src/network/core/udp.cpp +++ b/src/network/core/udp.cpp @@ -245,6 +245,8 @@ */ void NetworkUDPSocketHandler::Recv_NetworkGameInfo(Packet *p, NetworkGameInfo *info) { + static const Date MAX_DATE = ConvertYMDToDate(MAX_YEAR, 11, 31); // December is month 11 + info->game_info_version = NetworkRecv_uint8(this, p); /* @@ -272,8 +274,8 @@ } } /* Fallthrough */ case 3: - info->game_date = NetworkRecv_uint32(this, p); - info->start_date = NetworkRecv_uint32(this, p); + info->game_date = clamp(NetworkRecv_uint32(this, p), 0, MAX_DATE); + info->start_date = clamp(NetworkRecv_uint32(this, p), 0, MAX_DATE); /* Fallthrough */ case 2: info->companies_max = NetworkRecv_uint8 (this, p); @@ -284,7 +286,7 @@ NetworkRecv_string(this, p, info->server_name, sizeof(info->server_name)); NetworkRecv_string(this, p, info->server_revision, sizeof(info->server_revision)); info->server_lang = NetworkRecv_uint8 (this, p); - info->use_password = NetworkRecv_uint8 (this, p); + info->use_password = (NetworkRecv_uint8 (this, p) != 0); info->clients_max = NetworkRecv_uint8 (this, p); info->clients_on = NetworkRecv_uint8 (this, p); info->spectators_on = NetworkRecv_uint8 (this, p); @@ -297,6 +299,9 @@ info->map_height = NetworkRecv_uint16(this, p); info->map_set = NetworkRecv_uint8 (this, p); info->dedicated = (NetworkRecv_uint8(this, p) != 0); + + if (info->server_lang >= NETWORK_NUM_LANGUAGES) info->server_lang = 0; + if (info->map_set >= NUM_LANDSCAPE) info->map_set = 0; } }
--- a/src/network/network_udp.cpp +++ b/src/network/network_udp.cpp @@ -330,9 +330,6 @@ } } - if (item->info.server_lang >= NETWORK_NUM_LANGUAGES) item->info.server_lang = 0; - if (item->info.map_set >= NUM_LANDSCAPE ) item->info.map_set = 0; - if (item->info.hostname[0] == '\0') snprintf(item->info.hostname, sizeof(item->info.hostname), "%s", inet_ntoa(client_addr->sin_addr));