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// (c) 2008 - 2012 Harmony Project; Daniel Stelter-Gliese / Sirius_White
//
//  - [email protected]
//  - ICQ #119-153
//  - MSN [email protected]
//
// This file is NOT public - you are not allowed to distribute it.
#include "../common/cbasetypes.h"
#include "../common/showmsg.h"
#include "../common/db.h"
#include "../common/strlib.h"
#include "../common/mmo.h"
#include "../common/socket.h"
#include "../common/timer.h"
#include "../common/sql.h"
#include "../common/harmony.h"
 
#ifndef HARMSW
    #define HARMSW HARMSW_EATHENA
#endif
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "pc.h"
#include "clif.h"
#include "atcommand.h"
#include "chrif.h"
#if HARMSW == HARMSW_RATHENA_GROUP
    #include "pc_groups.h"
#endif
#include "npc.h"
#include "harmony.h"
 
void _FASTCALL harmony_action_request(int fd, int task, int id, intptr data);
void _FASTCALL harmony_log(int fd, const char *msg);
static int harmony_group_register_timer(int tid, unsigned int tick, int id, intptr data);
 
// ----
 
static SqlStmt* log_stmt = NULL;
static SqlStmt* ban_stmt = NULL;
static SqlStmt* admin_stmt = NULL;
 
enum {
    LOG_SQL = 1,
    LOG_TXT,
    LOG_TRYSQL
};
static int log_method = LOG_TRYSQL;
 
static int tid_group_register = INVALID_TIMER;
static int current_groupscan_minlevel = 0;
 
// ----
 
void harmony_init() {
    if (logmysql_handle != NULL) {
        log_stmt =  SqlStmt_Malloc(logmysql_handle);
        if (SQL_SUCCESS != SqlStmt_Prepare(log_stmt, "INSERT DELAYED INTO harmony_log (`account_id`, `char_name`, `IP`, `data`) VALUES (?, ?, ?, ?)")) {
            ShowFatalError("Harmony: Preparing statement 1 failed.\n");
            Sql_ShowDebug(logmysql_handle);
            exit(EXIT_FAILURE);
        }
    }
 
    if (mmysql_handle == NULL) {
        ShowFatalError("Harmony: SQL is not yet initialized. Please report this!\n");
        exit(EXIT_FAILURE);
    }
 
    ban_stmt = SqlStmt_Malloc(mmysql_handle);
    if (SQL_SUCCESS != SqlStmt_Prepare(ban_stmt, "UPDATE login SET state = ? WHERE account_id = ?")) {
        ShowFatalError("Harmony: Preparing statement 2 failed.\n");
        Sql_ShowDebug(mmysql_handle);
        exit(EXIT_FAILURE);
    }
 
    admin_stmt = SqlStmt_Malloc(mmysql_handle);
#if HARMSW == HARMSW_RATHENA_GROUP
    if (SQL_SUCCESS != SqlStmt_Prepare(admin_stmt, "SELECT account_id FROM `login` WHERE `group_id` = ?")) {
#else
    if (SQL_SUCCESS != SqlStmt_Prepare(admin_stmt, "SELECT account_id FROM `login` WHERE `level` >= ?")) {
#endif
        ShowFatalError("Harmony: Preparing statement 3 failed.\n");
        Sql_ShowDebug(mmysql_handle);
        exit(EXIT_FAILURE);
    }
 
    ea_funcs->action_request = harmony_action_request;
    ea_funcs->player_log = harmony_log;
 
    harm_funcs->zone_init();
}
 
void harmony_final() {
    harm_funcs->zone_final();
    if (log_stmt) {
        SqlStmt_Free(log_stmt);
        log_stmt = NULL;
    }
    SqlStmt_Free(ban_stmt);
    SqlStmt_Free(admin_stmt);
    if (tid_group_register != INVALID_TIMER) {
        _athena_delete_timer(tid_group_register, harmony_group_register_timer);
        tid_group_register = INVALID_TIMER;
    }
}
 
void harmony_parse(int fd,struct map_session_data *sd) {
}
 
void harmony_ban(int32 account_id, int state) {
    if (!ban_stmt)
        return;
    if (SQL_SUCCESS != SqlStmt_BindParam(ban_stmt, 0, SQLDT_INT, (void*)&state, sizeof(state)) ||
        SQL_SUCCESS != SqlStmt_BindParam(ban_stmt, 1, SQLDT_INT, (void*)&account_id, sizeof(account_id)) ||
        SQL_SUCCESS != SqlStmt_Execute(ban_stmt))
    {
        Sql_ShowDebug(mmysql_handle);
    }
    ShowMessage(""CL_MAGENTA"[Harmony]"CL_RESET": Banned account #%d (state %d)\n", account_id, state);
}
 
int harmony_log_sql(TBL_PC* sd, const char* ip, const char* msg) {
    if (!logmysql_handle || !log_stmt)
        return 0;
    if (SQL_SUCCESS != SqlStmt_BindParam(log_stmt, 0, SQLDT_INT, (void*)&sd->status.account_id, sizeof(sd->status.account_id)) ||
        SQL_SUCCESS != SqlStmt_BindParam(log_stmt, 1, SQLDT_STRING, (void*)&sd->status.name, strlen(sd->status.name)) ||
        SQL_SUCCESS != SqlStmt_BindParam(log_stmt, 2, SQLDT_STRING, (void*)ip, strlen(ip)) ||
        SQL_SUCCESS != SqlStmt_BindParam(log_stmt, 3, SQLDT_STRING, (void*)msg, strlen(msg)) ||
        SQL_SUCCESS != SqlStmt_Execute(log_stmt))
    {
        Sql_ShowDebug(logmysql_handle);
        return 0;
    }
    return 1;
}
 
int harmony_log_txt(TBL_PC* sd, const char* ip, const char* msg) {
    FILE* logfp;
    static char timestring[255];
    time_t curtime;
 
    if((logfp = fopen("./log/harmony.log", "a+")) == NULL)
        return 0;
    time(&curtime);
    strftime(timestring, 254, "%m/%d/%Y %H:%M:%S", localtime(&curtime));
    fprintf(logfp,"%s - %s[%d:%d] - %s\t%s\n", timestring, sd->status.name, sd->status.account_id, sd->status.char_id, ip, msg);
    fclose(logfp);
    return 1;
}
 
void _FASTCALL harmony_log(int fd, const char *msg) {
    char ip[20];
    TBL_PC *sd = (TBL_PC*)session[fd]->session_data;
 
    if (!sd)
        return;
 
    sprintf(ip, "%u.%u.%u.%u", CONVIP(session[fd]->client_addr));
 
    if (log_method == LOG_SQL && !harmony_log_sql(sd, ip, msg)) {
        ShowError("Logging to harmony_log failed. Please check your Harmony setup.\n");
    } else if (log_method == LOG_TRYSQL && log_stmt && harmony_log_sql(sd, ip, msg)) {
        ;
    } else if (log_method == LOG_TXT || log_method == LOG_TRYSQL) {
        harmony_log_txt(sd, ip, msg);
    }
 
    ShowMessage(""CL_MAGENTA"[Harmony]"CL_RESET": %s (Player: %s, IP: %s)\n", msg, sd->status.name, ip);
}
 
static bool harmony_iterate_groups(int group_id, int level, const char* name) {
    harm_funcs->zone_register_group(group_id, level);
    return true;
}
 
static void harmony_register_groups() {
    harm_funcs->zone_register_group(25311, 25311);
#if HARMSW == HARMSW_RATHENA_GROUP
        pc_group_iterate(harmony_iterate_groups);
#else
        harm_funcs->zone_register_group(25312, 25312);
#endif
}
 
static int harmony_group_register_timer(int tid, unsigned int tick, int id, intptr data) {
    if (chrif_isconnected()) {
        harmony_register_groups();
        
        // We will re-send group associations every thirty seconds, otherwise the login server would never be able to recover from a restart
        _athena_delete_timer(tid, harmony_group_register_timer);
        tid_group_register = _athena_add_timer_interval(_athena_gettick()+30*1000, harmony_group_register_timer, 0, 0, 30*1000);
    }
    return 0;
}
 
static bool harmony_iterate_groups_adminlevel(int group_id, int level, const char* name) {
    int account_id;
 
    if (level < current_groupscan_minlevel)
        return true;
 
    ShowInfo("Registering group %d..\n", group_id);
    if (SQL_SUCCESS != SqlStmt_BindParam(admin_stmt, 0, SQLDT_INT, (void*)&group_id, sizeof(group_id)) ||
        SQL_SUCCESS != SqlStmt_Execute(admin_stmt))
    {
        ShowError("Fetching GM accounts from group %d failed.\n", group_id);
        Sql_ShowDebug(mmysql_handle);
        return true;
    }
 
    SqlStmt_BindColumn(admin_stmt, 0, SQLDT_INT, &account_id, 0, NULL, NULL);
    while (SQL_SUCCESS == SqlStmt_NextRow(admin_stmt)) {
        harm_funcs->zone_register_admin(account_id, false);
    }
    return true;
}
 
void harmony_action_request_global(int task, int id, intptr data) {
    switch (task) {
    case HARMTASK_LOGIN_ACTION:
        chrif_harmony_request((uint8*)data, id);
        break;
    case HARMTASK_GET_FD:
        {
        TBL_PC *sd = BL_CAST(BL_PC, map_id2bl(id));
        *(int32*)data = (sd ? sd->fd : 0);
        }
        break;
    case HARMTASK_SET_LOG_METHOD:
        log_method = id;
        break;
    case HARMTASK_INIT_GROUPS:
        if (chrif_isconnected())
            harmony_register_groups();
        else {
            // Register groups as soon as the char server is available again
            if (tid_group_register != INVALID_TIMER)
                _athena_delete_timer(tid_group_register, harmony_group_register_timer);
            tid_group_register = _athena_add_timer_interval(_athena_gettick()+1000, harmony_group_register_timer, 0, 0, 500);
        }
        break;
    case HARMTASK_RESOLVE_GROUP:
#if HARMSW == HARMSW_RATHENA_GROUP
        *(int32*)data = pc_group_id2level(id);
#else
        *(int32*)data = id;
#endif
        break;
    case HARMTASK_PACKET:
        clif_send((const uint8*)data, id, NULL, ALL_CLIENT);
        break;
    case HARMTASK_GET_ADMINS:
    {
#if HARMSW == HARMSW_RATHENA_GROUP
        // Iterate groups and register each group individually
        current_groupscan_minlevel = id;
        pc_group_iterate(harmony_iterate_groups_adminlevel);
#else
        //
        int account_id;
        int level = id;
        if (SQL_SUCCESS != SqlStmt_BindParam(admin_stmt, 0, SQLDT_INT, (void*)&level, sizeof(level)) ||
            SQL_SUCCESS != SqlStmt_Execute(admin_stmt))
        {
            ShowError("Fetching GM accounts failed.\n");
            Sql_ShowDebug(mmysql_handle);
            break;
        }
 
        SqlStmt_BindColumn(admin_stmt, 0, SQLDT_INT, &account_id, 0, NULL, NULL);
        while (SQL_SUCCESS == SqlStmt_NextRow(admin_stmt)) {
            harm_funcs->zone_register_admin(account_id, false);
        }
#endif
        break;
    }
    case HARMTASK_IS_CHAR_CONNECTED:
        *(int*)data = chrif_isconnected();
        break;
    default:
        ShowError("Harmony requested unknown action! (Global; ID=%d)\n", task);
        ShowError("This indicates that you are running an incompatible version.\n");
        break;
    }
}
 
void _FASTCALL harmony_action_request(int fd, int task, int id, intptr data) {
    TBL_PC *sd;
 
    if (fd == 0) {
        harmony_action_request_global(task, id, data);
        return;
    }
 
    switch (task) {
    case HARMTASK_PACKET:
        memcpy(WFIFOP(fd, 0), (const void*)data, id);
        ShowInfo("Sending %d bytes to session #%d (%x)\n", id, fd, WFIFOW(fd, 0));
        WFIFOSET(fd, id);
        return;
    }
 
    sd = (TBL_PC *)session[fd]->session_data;
    if (!sd)
        return;
 
    switch (task) {
    case HARMTASK_DC:
        ShowInfo("-- Harmony requested disconnect.\n");
        set_eof(fd);
        break;
    case HARMTASK_KICK:
        ShowInfo("-- Harmony requested kick.\n");
        if (id == 99)
            set_eof(fd);
        else
            clif_authfail_fd(fd, id);
        break;
    case HARMTASK_JAIL:
    {
        char msg[64];
        snprintf(msg, sizeof(msg)-1, "@jail %s", sd->status.name);
        is_atcommand(0, sd, msg, 0);
    }
        break;
    case HARMTASK_BAN:
        harmony_ban(sd->status.account_id, id);
        break;
    case HARMTASK_ATCMD:
        is_atcommand(fd, sd, (const char*)data, 0);
        break;
    case HARMTASK_MSG:
        clif_displaymessage(fd, (const char*)data);
        break;
    case HARMTASK_IS_ACTIVE:
        *(int32*)data = (sd->bl.prev == NULL || sd->invincible_timer != INVALID_TIMER) ? 0 : 1;
        break;
    case HARMTASK_GET_ID:
        switch (id) {
        case HARMID_AID:
            *(int*)data = sd->status.account_id;
            break;
        case HARMID_GID:
            *(int*)data = sd->status.char_id;
            break;
        case HARMID_GDID:
            *(int*)data = sd->status.guild_id;
            break;
        case HARMID_PID:
            *(int*)data = sd->status.party_id;
            break;
        case HARMID_CLASS:
            *(short*)data = sd->status.class_;
            break;
        case HARMID_GM:
#if HARMSW == HARMSW_RATHENA_GROUP
            *(int*)data = pc_group_id2level(sd->group_id);
#else
            *(int*)data = pc_isGM(sd);
#endif
            break;
        default:
            ShowError("Harmony requested unknown ID! (ID=%d)\n", id);
            ShowError("This indicates that you are running an incompatible version.\n");
            break;
        }
        break;
    case HARMTASK_SCRIPT:
        {
            struct npc_data* nd = npc_name2id((const char*)data);
            if (nd) {
                run_script(nd->u.scr.script, 0, sd->bl.id, fake_nd->bl.id);
            } else {
                ShowError("A Harmony action chain tried to execute non-existing script '%s'\n", data);
            }
        }
        break;
    default:
        ShowError("Harmony requested unknown action! (ID=%d)\n", task);
        ShowError("This indicates that you are running an incompatible version.\n");
        break;
    }
}
 
void harmony_logout(TBL_PC* sd) {
    harm_funcs->zone_logout(sd->fd);
}
 
 
 
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