diff options
Diffstat (limited to 'src/login_sql/login.c')
-rw-r--r-- | src/login_sql/login.c | 271 |
1 files changed, 126 insertions, 145 deletions
diff --git a/src/login_sql/login.c b/src/login_sql/login.c index 74e32f740..e56d67056 100644 --- a/src/login_sql/login.c +++ b/src/login_sql/login.c @@ -1,19 +1,6 @@ // Copyright (c) Athena Dev Teams - Licensed under GNU GPL // For more information, see LICENCE in the main folder -#include <sys/types.h> - -#ifdef __WIN32 - #define WIN32_LEAN_AND_MEAN - #include <windows.h> - #include <winsock2.h> -#else - #include <sys/socket.h> - #include <netinet/in.h> - #include <arpa/inet.h> - #include <netdb.h> -#endif - #include <stdio.h> #include <stdlib.h> #include <sys/stat.h> // for stat/lstat/fstat @@ -21,9 +8,6 @@ #include <fcntl.h> #include <string.h> -//add include for DBMS(mysql) -#include <mysql.h> - #include "../common/cbasetypes.h" #include "../common/core.h" #include "../common/socket.h" @@ -37,6 +21,8 @@ #include "../common/md5calc.h" #include "login.h" +//add include for DBMS(mysql) +#include <mysql.h> struct Login_Config { @@ -115,6 +101,11 @@ char login_db_level[256] = "level"; //----------------------------------------------------- +struct login_session_data { + uint16 md5keylen; + char md5key[20]; +}; + #define AUTH_FIFO_SIZE 256 struct { int account_id, login_id1, login_id2; @@ -133,8 +124,6 @@ struct online_login_data { //----------------------------------------------------- -static char md5key[20], md5keylen = 16; - struct dbt *online_db; static void* create_online_user(DBKey key, va_list args) @@ -416,10 +405,10 @@ int mmo_auth_new(struct mmo_account* account, char sex) mysql_real_escape_string(&mysql_handle, account->userid, account->userid, strlen(account->userid)); mysql_real_escape_string(&mysql_handle, account->passwd, account->passwd, strlen(account->passwd)); - if (sex == 'f') sex = 'F'; - else if (sex == 'm') sex = 'M'; + sex = TOUPPER(sex); + if (login_config.use_md5_passwds) - MD5_String(account->passwd,user_password); + MD5_String(account->passwd, user_password); else jstrescapecpy(user_password, account->passwd); @@ -484,8 +473,39 @@ int charif_sendallwos(int sfd, unsigned char *buf, unsigned int len) return c; } + //----------------------------------------------------- -// Auth +// encrypted/unencrypted password check +//----------------------------------------------------- +bool check_encrypted(const char* str1, const char* str2, const char* passwd) +{ + char md5str[64], md5bin[32]; + snprintf(md5str, sizeof(md5str), "%s%s", str1, str2); md5str[sizeof(md5str)-1] = '\0'; + MD5_String2binary(md5str, md5bin); + + return (0==memcmp(passwd, md5bin, 16)); +} + +bool check_password(struct login_session_data* ld, int passwdenc, const char* passwd, const char* refpass) +{ + if(passwdenc == 0) + { + return (0==strcmp(passwd, refpass)); + } + else if (ld) + { + // password mode set to 1 -> (md5key, refpass) enable with <passwordencrypt></passwordencrypt> + // password mode set to 2 -> (refpass, md5key) enable with <passwordencrypt2></passwordencrypt2> + + return ((passwdenc&0x01) && check_encrypted(ld->md5key, refpass, passwd)) || + ((passwdenc&0x02) && check_encrypted(refpass, ld->md5key, passwd)); + } + return false; +} + + +//----------------------------------------------------- +// Check/authentication of a connection //----------------------------------------------------- int mmo_auth(struct mmo_account* account, int fd) { @@ -495,8 +515,6 @@ int mmo_auth(struct mmo_account* account, int fd) long connect_until; int encpasswdok = 0, state; - char md5str[64], md5bin[32]; - char ip[16]; uint32 ipl = session[fd]->client_addr; uint8* sin_addr = (uint8*)&ipl; @@ -594,49 +612,15 @@ int mmo_auth(struct mmo_account* account, int fd) } if (login_config.use_md5_passwds) - MD5_String(account->passwd,user_password); + MD5_String(account->passwd, user_password); else - jstrescapecpy(user_password, account->passwd); + memcpy(user_password, account->passwd, NAME_LENGTH); -#ifdef PASSWORDENC - if (account->passwdenc > 0) { - int j = account->passwdenc; - - if (j > 2) - j = 1; - do { - if (j == 1) { - sprintf(md5str, "%s%s", md5key, password); - } else if (j == 2) { - sprintf(md5str, "%s%s", password, md5key); - } else - md5str[0] = 0; - MD5_String2binary(md5str, md5bin); - encpasswdok = (memcmp(user_password, md5bin, 16) == 0); - } while (j < 2 && !encpasswdok && (j++) != account->passwdenc); - } -#endif - if ((strcmp(user_password, password) && !encpasswdok)) { - if (account->passwdenc == 0) { - ShowInfo("auth failed pass error %s %s" RETCODE, account->userid, user_password); -#ifdef PASSWORDENC - } else { - char logbuf[1024], *p = logbuf; - int j; - p += sprintf(p, "auth failed pass error %s recv-md5[", account->userid); - for(j = 0; j < 16; j++) - p += sprintf(p, "%02x", ((unsigned char *)user_password)[j]); - p += sprintf(p, "] calc-md5["); - for(j = 0; j < 16; j++) - p += sprintf(p, "%02x", ((unsigned char *)md5bin)[j]); - p += sprintf(p, "] md5key["); - for(j = 0; j < md5keylen; j++) - p += sprintf(p, "%02x", ((unsigned char *)md5key)[j]); - p += sprintf(p, "]" RETCODE); - ShowInfo("%s\n", p); -#endif - } - return 1; + if (!check_password(session[fd]->session_data, account->passwdenc, user_password, password)) + { + ShowInfo("Invalid password (account: %s, pass: %s, received pass: %s, ip: %s)" RETCODE, + account->userid, password, (account->passwdenc) ? "[MD5]" : account->passwd, ip); + return 1; // 1 = Incorrect Password } if (ban_until_time != 0) { // if account is banned @@ -747,30 +731,32 @@ int parse_fromchar(int fd) for(id = 0; id < MAX_SERVERS; id++) if (server_fd[id] == fd) break; - - if (id == MAX_SERVERS) + if (id == MAX_SERVERS) { // not a char server session[fd]->eof = 1; + do_close(fd); + return 0; + } + if(session[fd]->eof) { - if (id < MAX_SERVERS) { - ShowStatus("Char-server '%s' has disconnected.\n", server[id].name); - server_fd[id] = -1; - memset(&server[id], 0, sizeof(struct mmo_char_server)); - online_db->foreach(online_db,online_db_setoffline,id); //Set all chars from this char server to offline. - // server delete - sprintf(tmpsql, "DELETE FROM `sstatus` WHERE `index`='%d'", id); - // query - if (mysql_query(&mysql_handle, tmpsql)) { - ShowSQL("DB error - %s\n",mysql_error(&mysql_handle)); - ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmpsql); - } + ShowStatus("Char-server '%s' has disconnected.\n", server[id].name); + server_fd[id] = -1; + memset(&server[id], 0, sizeof(struct mmo_char_server)); + online_db->foreach(online_db,online_db_setoffline,id); //Set all chars from this char server to offline. + sprintf(tmpsql, "DELETE FROM `sstatus` WHERE `index`='%d'", id); + if (mysql_query(&mysql_handle, tmpsql)) { + ShowSQL("DB error - %s\n",mysql_error(&mysql_handle)); + ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmpsql); } do_close(fd); return 0; } - while (RFIFOREST(fd) >= 2) { + while (RFIFOREST(fd) >= 2) + { + uint16 command = RFIFOW(fd,0); - switch (RFIFOW(fd,0)) { + switch (command) + { case 0x2709: // request from map-server via char-server to reload GM accounts if (login_config.log_login) @@ -795,11 +781,11 @@ int parse_fromchar(int fd) WFIFOHEAD(fd,51); account_id = RFIFOL(fd,2); // speed up for(i = 0; i < AUTH_FIFO_SIZE; i++) { - if(auth_fifo[i].account_id == account_id && - auth_fifo[i].login_id1 == RFIFOL(fd,6) && - auth_fifo[i].login_id2 == RFIFOL(fd,10) && // relate to the versions higher than 18 - auth_fifo[i].sex == RFIFOB(fd,14) && - auth_fifo[i].ip == ntohl(RFIFOL(fd,15)) && + if( auth_fifo[i].account_id == account_id && + auth_fifo[i].login_id1 == RFIFOL(fd,6) && + auth_fifo[i].login_id2 == RFIFOL(fd,10) && // relate to the versions higher than 18 + auth_fifo[i].sex == RFIFOB(fd,14) && + auth_fifo[i].ip == ntohl(RFIFOL(fd,15)) && !auth_fifo[i].delflag) { auth_fifo[i].delflag = 1; @@ -1319,7 +1305,6 @@ int parse_login(int fd) { char t_uid[100]; struct mmo_account account; - int result, i; uint32 ipl = session[fd]->client_addr; char ip[16]; @@ -1330,31 +1315,31 @@ int parse_login(int fd) memset(&account, 0, sizeof(account)); if (session[fd]->eof) { - for(i = 0; i < MAX_SERVERS; i++) - if (server_fd[i] == fd) - server_fd[i] = -1; do_close(fd); return 0; } - while(RFIFOREST(fd) >= 2) { + while (RFIFOREST(fd) >= 2) + { + uint16 command = RFIFOW(fd,0); - switch(RFIFOW(fd,0)) { - case 0x200: // New alive packet: structure: 0x200 <account.userid>.24B. used to verify if client is always alive. + switch(command) + { + case 0x0200: // New alive packet: structure: 0x200 <account.userid>.24B. used to verify if client is always alive. if (RFIFOREST(fd) < 26) return 0; RFIFOSKIP(fd,26); break; - case 0x204: // New alive packet: structure: 0x204 <encrypted.account.userid>.16B. (new ragexe from 22 june 2004) + case 0x0204: // New alive packet: structure: 0x204 <encrypted.account.userid>.16B. (new ragexe from 22 june 2004) if (RFIFOREST(fd) < 18) return 0; RFIFOSKIP(fd,18); break; - case 0x277: // New login packet - case 0x64: // request client login - case 0x01dd: // request client login with encrypt + case 0x0064: // request client login + case 0x0277: // New login packet (layout is same as 0x64 but different length) + case 0x01dd: // request client login (encryption mode) { int packet_len = RFIFOREST(fd); @@ -1370,37 +1355,24 @@ int parse_login(int fd) break; } - switch(RFIFOW(fd,0)){ - case 0x64: - if(packet_len < 55) - return 0; - break; - case 0x01dd: - if(packet_len < 47) - return 0; - break; - case 0x277: - if(packet_len < 84) - return 0; - break; - } + if ((command == 0x0064 && packet_len < 55) || + (command == 0x0277 && packet_len < 84) || + (command == 0x01dd && packet_len < 47)) + return 0; + + // S 0064 <version>.l <account name>.24B <password>.24B <version2>.B + // S 0277 ?? + // S 01dd <version>.l <account name>.24B <md5 binary>.16B <version2>.B - account.version = RFIFOL(fd, 2); + account.version = RFIFOL(fd,2); if (!account.version) account.version = 1; //Force some version... - memcpy(account.userid,RFIFOP(fd, 6),NAME_LENGTH); - account.userid[23] = '\0'; - memcpy(account.passwd,RFIFOP(fd, 30),NAME_LENGTH); - account.passwd[23] = '\0'; - -#ifdef PASSWORDENC - account.passwdenc = (RFIFOW(fd,0)!=0x01dd)?0:PASSWORDENC; -#else - account.passwdenc = 0; -#endif - result = mmo_auth(&account, fd); + memcpy(account.userid,RFIFOP(fd,6),NAME_LENGTH); account.userid[23] = '\0'; + memcpy(account.passwd,RFIFOP(fd,30),NAME_LENGTH); account.passwd[23] = '\0'; + account.passwdenc = (command != 0x01dd) ? 0 : PASSWORDENC; + jstrescapecpy(t_uid, account.userid); - jstrescapecpy(t_uid,account.userid); - if(result == -1) { // auth success + result = mmo_auth(&account, fd); + if (result == -1) { // auth success if (login_config.min_level_to_connect > account.level) { WFIFOHEAD(fd,3); WFIFOW(fd,0) = 0x81; @@ -1546,7 +1518,7 @@ int parse_login(int fd) //cannot connect login failed memset(WFIFOP(fd,0), '\0', 23); WFIFOW(fd,0) = 0x6a; - WFIFOB(fd,2) = result; + WFIFOB(fd,2) = (uint8)result; if (result == 6) { // 6 = Your are Prohibited to log in until %s char tmpstr[20]; time_t ban_until_time = (sql_row) ? atol(sql_row[0]) : 0; @@ -1561,21 +1533,32 @@ int parse_login(int fd) break; } - case 0x01db: // request password key + case 0x01db: // Sending request of the coding key + { + struct login_session_data* ld; if (session[fd]->session_data) { ShowWarning("login: abnormal request of MD5 key (already opened session).\n"); session[fd]->eof = 1; return 0; } - { + + ld = (struct login_session_data*)aCalloc(1, sizeof(struct login_session_data)); + session[fd]->session_data = ld; + + // Creation of the coding key + memset(ld->md5key, '\0', sizeof(ld->md5key)); + ld->md5keylen = (uint16)(12 + rand() % 4); + for(i = 0; i < ld->md5keylen; i++) + ld->md5key[i] = (char)(1 + rand() % 255); + RFIFOSKIP(fd,2); - WFIFOHEAD(fd,4 + md5keylen); + WFIFOHEAD(fd,4 + ld->md5keylen); WFIFOW(fd,0) = 0x01dc; - WFIFOW(fd,2) = 4 + md5keylen; - memcpy(WFIFOP(fd,4), md5key, md5keylen); + WFIFOW(fd,2) = 4 + ld->md5keylen; + memcpy(WFIFOP(fd,4), ld->md5key, ld->md5keylen); WFIFOSET(fd,WFIFOW(fd,2)); } - break; + break; case 0x2710: // Connection request of a char-server if (RFIFOREST(fd) < 86) @@ -1991,41 +1974,36 @@ void set_server_type(void) int do_init(int argc, char** argv) { - //initialize login server + // initialize login server int i; login_set_defaults(); - //read login configue + + // read login-server configuration login_config_read((argc > 1) ? argv[1] : LOGIN_CONF_NAME); sql_config_read(SQL_CONF_NAME); login_lan_config_read((argc > 2) ? argv[2] : LAN_CONF_NAME); - //Generate Passworded Key. - memset(md5key, 0, sizeof(md5key)); - md5keylen=rand()%4+12; - for(i=0;i<md5keylen;i++) - md5key[i]=rand()%255+1; + + srand((unsigned int)time(NULL)); for(i=0;i<AUTH_FIFO_SIZE;i++) auth_fifo[i].delflag=1; for(i=0;i<MAX_SERVERS;i++) server_fd[i]=-1; - //server port open & binding // Online user database init online_db = db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int)); add_timer_func_list(waiting_disconnect_timer, "waiting_disconnect_timer"); - login_fd = make_listen_bind(login_config.login_ip, login_config.login_port); - - //Auth start + // Auth init mmo_auth_sqldb_init(); - //Read account information. + // Read account information. if(login_config.login_gm_read) read_gm_account(); - //set default parser as parse_login function + // set default parser as parse_login function set_defaultparse(parse_login); // ban deleter timer @@ -2048,6 +2026,9 @@ int do_init(int argc, char** argv) new_reg_tick = gettick(); + // server port open & binding + login_fd = make_listen_bind(login_config.login_ip, login_config.login_port); + ShowStatus("The login-server is "CL_GREEN"ready"CL_RESET" (Server is listening on the port %u).\n\n", login_config.login_port); return 0; |