diff options
Diffstat (limited to 'src/login/login.c')
-rw-r--r-- | src/login/login.c | 103 |
1 files changed, 27 insertions, 76 deletions
diff --git a/src/login/login.c b/src/login/login.c index caace34da..141ab5e2b 100644 --- a/src/login/login.c +++ b/src/login/login.c @@ -12,6 +12,7 @@ #include "login/loginlog.h" #include "common/HPM.h" #include "common/cbasetypes.h" +#include "common/conf.h" #include "common/core.h" #include "common/db.h" #include "common/malloc.h" @@ -238,65 +239,17 @@ bool login_check_password(const char* md5key, int passwdenc, const char* passwd, } } -//-------------------------------------------- -// Test to know if an IP come from LAN or WAN. -//-------------------------------------------- -int login_lan_subnetcheck(uint32 ip) -{ - int i; - ARR_FIND( 0, login_config.subnet_count, i, (login_config.subnet[i].char_ip & login_config.subnet[i].mask) == (ip & login_config.subnet[i].mask) ); - return ( i < login_config.subnet_count ) ? login_config.subnet[i].char_ip : 0; -} -//---------------------------------- -// Reading LAN Support configuration -//---------------------------------- -int login_lan_config_read(const char *lancfgName) +/** + * Checks whether the given IP comes from LAN or WAN. + * + * @param ip IP address to check. + * @retval 0 if it is a WAN IP. + * @return the appropriate LAN server address to send, if it is a LAN IP. + */ +uint32 login_lan_subnet_check(uint32 ip) { - FILE *fp; - int line_num = 0; - char line[1024], w1[64], w2[64], w3[64], w4[64]; - - nullpo_ret(lancfgName); - if((fp = fopen(lancfgName, "r")) == NULL) { - ShowWarning("LAN Support configuration file is not found: %s\n", lancfgName); - return 1; - } - - while(fgets(line, sizeof(line), fp)) - { - line_num++; - if ((line[0] == '/' && line[1] == '/') || line[0] == '\n' || line[1] == '\n') - continue; - - if (sscanf(line, "%63[^:]: %63[^:]:%63[^:]:%63[^\r\n]", w1, w2, w3, w4) != 4) { - ShowWarning("Error syntax of configuration file %s in line %d.\n", lancfgName, line_num); - continue; - } - - if( strcmpi(w1, "subnet") == 0 ) - { - login_config.subnet[login_config.subnet_count].mask = str2ip(w2); - login_config.subnet[login_config.subnet_count].char_ip = str2ip(w3); - login_config.subnet[login_config.subnet_count].map_ip = str2ip(w4); - - if( (login_config.subnet[login_config.subnet_count].char_ip - & login_config.subnet[login_config.subnet_count].mask) != (login_config.subnet[login_config.subnet_count].map_ip - & login_config.subnet[login_config.subnet_count].mask) ) - { - ShowError("%s: Configuration Error: The char server (%s) and map server (%s) belong to different subnetworks!\n", lancfgName, w3, w4); - continue; - } - - login_config.subnet_count++; - } - } - - if( login_config.subnet_count > 1 ) /* only useful if there is more than 1 available */ - ShowStatus("Read information about %d subnetworks.\n", login_config.subnet_count); - - fclose(fp); - return 0; + return sockt->lan_subnet_check(ip, NULL); } void login_fromchar_auth_ack(int fd, int account_id, uint32 login_id1, uint32 login_id2, uint8 sex, int request_id, struct login_auth_node* node) @@ -1233,7 +1186,6 @@ void login_auth_ok(struct login_session_data* sd) int fd = 0; uint32 ip; uint8 server_num, n; - uint32 subnet_char_ip; struct login_auth_node* node; int i; @@ -1308,12 +1260,13 @@ void login_auth_ok(struct login_session_data* sd) memset(WFIFOP(fd,20), 0, 24); WFIFOW(fd,44) = 0; // unknown WFIFOB(fd,46) = sex_str2num(sd->sex); - for( i = 0, n = 0; i < ARRAYLENGTH(server); ++i ) - { + for (i = 0, n = 0; i < ARRAYLENGTH(server); ++i) { + uint32 subnet_char_ip; + if( !session_isValid(server[i].fd) ) continue; - subnet_char_ip = login->lan_subnetcheck(ip); // Advanced subnet check [LuzZza] + subnet_char_ip = login->lan_subnet_check(ip); WFIFOL(fd,47+n*32) = htonl((subnet_char_ip) ? subnet_char_ip : server[i].ip); WFIFOW(fd,47+n*32+4) = ntows(htons(server[i].port)); // [!] LE byte order here [!] memcpy(WFIFOP(fd,47+n*32+6), server[i].name, 20); @@ -1393,7 +1346,7 @@ void login_auth_failed(struct login_session_data* sd, int result) login_log(ip, sd->userid, result, error); // FIXME: result can be 100, conflicting with the value 100 we use for successful login... } - if( result == 1 && login_config.dynamic_pass_failure_ban ) + if (result == 1 && login_config.dynamic_pass_failure_ban && !sockt->trusted_ip_check(ip)) ipban_log(ip); // log failed password attempt #if PACKETVER >= 20120000 /* not sure when this started */ @@ -1590,7 +1543,7 @@ void login_parse_request_connection(int fd, struct login_session_data* sd, const sd->account_id >= 0 && sd->account_id < ARRAYLENGTH(server) && !session_isValid(server[sd->account_id].fd) && - login->lan_subnetcheck(ipl)) + sockt->allowed_ip_check(ipl)) { ShowStatus("Connection of the char-server '%s' accepted.\n", server_name); safestrncpy(server[sd->account_id].name, server_name, sizeof(server[sd->account_id].name)); @@ -1637,7 +1590,7 @@ int login_parse_login(int fd) if( sd == NULL ) { // Perform ip-ban check - if( login_config.ipban && ipban_check(ipl) ) + if (login_config.ipban && !sockt->trusted_ip_check(ipl) && ipban_check(ipl)) { ShowStatus("Connection refused: IP isn't authorized (deny/allow, ip: %s).\n", ip); login_log(ipl, "unknown", -3, "ip banned"); @@ -1759,7 +1712,6 @@ void login_set_defaults() login_config.client_hash_check = 0; login_config.client_hash_nodes = NULL; - login_config.subnet_count = 0; } //----------------------------------- @@ -1929,7 +1881,7 @@ int do_final(void) { HPM_login_do_final(); aFree(login->LOGIN_CONF_NAME); - aFree(login->LAN_CONF_NAME); + aFree(login->NET_CONF_NAME); HPM->event(HPET_POST_FINAL); @@ -1984,15 +1936,15 @@ static CMDLINEARG(loginconfig) return true; } /** - * --lan-config handler + * --net-config handler * * Overrides the default subnet configuration file. * @see cmdline->exec */ -static CMDLINEARG(lanconfig) +static CMDLINEARG(netconfig) { - aFree(login->LAN_CONF_NAME); - login->LAN_CONF_NAME = aStrdup(params); + aFree(login->NET_CONF_NAME); + login->NET_CONF_NAME = aStrdup(params); return true; } /** @@ -2001,7 +1953,7 @@ static CMDLINEARG(lanconfig) void cmdline_args_init_local(void) { CMDLINEARG_DEF2(login-config, loginconfig, "Alternative login-server configuration.", CMDLINE_OPT_PARAM); - CMDLINEARG_DEF2(lan-config, lanconfig, "Alternative subnet configuration.", CMDLINE_OPT_PARAM); + CMDLINEARG_DEF2(net-config, netconfig, "Alternative subnet configuration.", CMDLINE_OPT_PARAM); } //------------------------------ @@ -2025,7 +1977,7 @@ int do_init(int argc, char** argv) login_set_defaults(); login->LOGIN_CONF_NAME = aStrdup("conf/login-server.conf"); - login->LAN_CONF_NAME = aStrdup("conf/subnet.conf"); + login->NET_CONF_NAME = aStrdup("conf/network.conf"); HPM_login_do_init(); HPM->symbol_defaults_sub = login_hp_symbols; @@ -2035,7 +1987,7 @@ int do_init(int argc, char** argv) cmdline->exec(argc, argv, CMDLINE_OPT_NORMAL); login_config_read(login->LOGIN_CONF_NAME); - login->lan_config_read(login->LAN_CONF_NAME); + sockt->net_config_read(login->NET_CONF_NAME); for( i = 0; i < ARRAYLENGTH(server); ++i ) chrif_server_init(i); @@ -2112,8 +2064,7 @@ void login_defaults(void) { login->sync_ip_addresses = login_sync_ip_addresses; login->check_encrypted = login_check_encrypted; login->check_password = login_check_password; - login->lan_subnetcheck = login_lan_subnetcheck; - login->lan_config_read = login_lan_config_read; + login->lan_subnet_check = login_lan_subnet_check; login->fromchar_auth_ack = login_fromchar_auth_ack; login->fromchar_accinfo = login_fromchar_accinfo; @@ -2159,5 +2110,5 @@ void login_defaults(void) { login->send_coding_key = login_send_coding_key; login->LOGIN_CONF_NAME = NULL; - login->LAN_CONF_NAME = NULL; + login->NET_CONF_NAME = NULL; } |