390 lines
10 KiB
C
390 lines
10 KiB
C
/*
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* db.c
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*
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* Created on: 13 июл. 2022 г.
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* Author: alexander
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*/
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#include <stdbool.h>
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#include "sqlite3.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "db.h"
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#include "node_settings.h"
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static sqlite3 *dbGetBase(char *path)
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{
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sqlite3 *db;
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if (sqlite3_open(path, &db) != SQLITE_OK)
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{
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fprintf(stderr, "Cannot open database: %s\n", sqlite3_errmsg(db));
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sqlite3_close(db);
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return NULL;
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}
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return db;
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}
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/*
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* 0 - parameter
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* 1 - key
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* 2 - set_key
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* 3 - single
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* 4 - value
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* 5 - current (data)
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* 6 - set_val
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* 7 - dependence
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* 8 - conflict
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*/
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static int dbLoad(void *NotUsed, int argc, char **argv, char **azColName)
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{
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NotUsed = 0;
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char **parameters = (char **) malloc(sizeof(char*) * argc);
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for (int i = 0; i < argc; i++)
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{
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parameters[i] = argv[i];
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}
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if (!getParameter(atoi(parameters[0])))
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{
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addParameterKey(atoi(parameters[0]), parameters[1], atoi(parameters[2]), atoi(parameters[3]),
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parameters[7] ? getParameter(atoi(parameters[7])) : NULL,
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parameters[8] ? getParameter(atoi(parameters[8])) : NULL);
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}
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if (parameters[4] && parameters[5])
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{
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addParameterValue(atoi(parameters[0]), atoi(parameters[4]), parameters[5], atoi(parameters[6]));
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}
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free(parameters);
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return 0;
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}
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bool dbLoadData()
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{
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return false;
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}
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char *err_msg = 0;
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char *sql =
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"SELECT `parameters`.`id` as `parameter`, `parameters`.`data` as `key`, `parameters`.`set` as `set_key`, `parameters`.`single` as `single`, `values`.`id` as `value`, `values`.`data` as `current`, `values`.`set` as `set_val`,`dependencies`.`dependence` as `dependence`, `conflicts`.`conflict` as `conflict` \
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FROM `parameters` as `parameters` \
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LEFT JOIN `arguments` as `arguments` ON `parameters`.`id` = `arguments`.`parameter` \
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LEFT JOIN `values` as `values` ON `arguments`.`value` = `values`.`id` \
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LEFT JOIN `dependencies` as `dependencies` ON `dependencies`.`parameter` = `parameters`.`id` \
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LEFT JOIN `conflicts` as `conflicts` ON `conflicts`.`parameter` = `parameters`.`id`";
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if (sqlite3_exec(db, sql, dbLoad, 0, &err_msg) != SQLITE_OK)
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{
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fprintf(stderr, "Ошибка выполнения запроса: %s\n", err_msg);
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sqlite3_free(err_msg);
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sqlite3_close(db);
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return false;
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}
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sqlite3_close(db);
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return true;
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}
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static int dbCreateHostsList(void *answer, int argc, char **argv, char **azColName)
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{
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Hosts *hosts = *(Hosts **)answer;
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Host *host = (Host*) malloc(sizeof(Host));
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host->data = (char **) malloc(sizeof(char*) * argc);
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host->size = argc;
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for (int i = 0; i < argc; i++)
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{
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host->data[i] = (char *) malloc(sizeof(char) * strlen(argv[i]));
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strcpy(host->data[i], argv[i]);
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}
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Host **tmp = hosts->host;
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hosts->host = (Host**) malloc(sizeof(Host*) * ++hosts->size);
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for (size_t i = 0; i < hosts->size - 1; ++i)
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{
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hosts->host[i] = tmp[i];
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}
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if (tmp)
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{
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free(tmp);
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}
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hosts->host[hosts->size - 1] = host;
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return 0;
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}
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Hosts *dbGetHostsList()
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{
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return false;
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}
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char *err_msg = 0;
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char *sql = "SELECT ROW_NUMBER () OVER (ORDER BY `hosts`.`ip`) `item`, `hosts`.`dns` as `dns`, `hosts`.`set` as `set` FROM `hosts` as `hosts`";
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Hosts *hosts = (Hosts *) malloc(sizeof(Hosts));
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hosts->size = 0;
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hosts->host = NULL;
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if (sqlite3_exec(db, sql, dbCreateHostsList, &hosts, &err_msg) != SQLITE_OK)
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{
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fprintf(stderr, "Ошибка выполнения запроса: %s\n", err_msg);
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sqlite3_free(err_msg);
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sqlite3_close(db);
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return false;
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}
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sqlite3_close(db);
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return hosts;
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}
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void dbFreeHosts(Hosts *hosts)
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{
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for (size_t i = 0; i < hosts->size; ++i)
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{
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for (size_t j = 0; j < hosts->host[i]->size; ++j)
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{
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free(hosts->host[i]->data[j]);
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}
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free(hosts->host[i]);
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}
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free(hosts);
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}
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bool dbWriteParameter(Parameter name, bool set)
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{
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return false;
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}
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sqlite3_stmt *res;
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char *sql = "UPDATE `parameters` set `set` = ? where id = ?";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_int(res, 1, set);
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sqlite3_bind_int(res, 2, name);
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}
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if (sqlite3_step(res) == SQLITE_BUSY)
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{
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fprintf(stderr, "[ЗАНЯТО] %s - \"%s\"\n", set ? "включено" : "выключено", getParameter(name)->key);
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}
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if (sqlite3_step(res) == SQLITE_ERROR)
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{
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fprintf(stderr, "[ОШИБКА] %s - \"%s\"\n", set ? "включено" : "выключено", getParameter(name)->key);
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}
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if (sqlite3_step(res) == SQLITE_DONE)
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{
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fprintf(stdout, "[УСПЕШНО] %s - \"%s\"\n", set ? "включено" : "выключено", getParameter(name)->key);
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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return true;
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}
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bool dbWriteValue(Value name, bool set)
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{
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return false;
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}
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sqlite3_stmt *res;
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char *sql = "UPDATE `values` set `set` = ? where id = ?";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_int(res, 1, set);
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sqlite3_bind_int(res, 2, name);
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}
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if (sqlite3_step(res) == SQLITE_BUSY)
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{
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fprintf(stderr, "[ЗАНЯТО] %s - \"%s\"\n", set ? "включено" : "выключено", getValue(name)->current);
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}
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if (sqlite3_step(res) == SQLITE_ERROR)
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{
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fprintf(stderr, "[ОШИБКА] %s - \"%s\"\n", set ? "включено" : "выключено", getValue(name)->current);
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}
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if (sqlite3_step(res) == SQLITE_DONE)
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{
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fprintf(stdout, "[УСПЕШНО] %s - \"%s\"\n", set ? "включено" : "выключено", getValue(name)->current);
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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return true;
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}
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int dbAddServer(char *ip, char *dns)
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{
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int result = 0;
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if (!(ip && strlen(ip) && dns && strlen(dns)))
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return -1;
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return -2;
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}
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sqlite3_stmt *res;
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char *sql = "SELECT * FROM `hosts` WHERE `ip` = ?";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_text(res, 1, ip, -1, 0);
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}
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else
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{
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sqlite3_finalize(res);
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sqlite3_close(db);
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return -3;
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}
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if (sqlite3_step(res) == SQLITE_ROW)
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{
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int id = atoi((const char *)sqlite3_column_text(res, 0));
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sqlite3_finalize(res);
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sql = "UPDATE `hosts` set `set` = 0";
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if (sqlite3_exec(db, sql, NULL, NULL, NULL) == SQLITE_OK)
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{
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sql = "UPDATE `hosts` set `dns` = ?, `set` = 1 where id = ?";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_text(res, 1, dns, -1, 0);
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sqlite3_bind_int(res, 2, id);
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}
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if (sqlite3_step(res) == SQLITE_BUSY)
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{
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fprintf(stderr, "[ЗАНЯТО] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 5;
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}
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if (sqlite3_step(res) == SQLITE_ERROR)
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{
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fprintf(stderr, "[ОШИБКА] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 4;
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}
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if (sqlite3_step(res) == SQLITE_DONE)
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{
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fprintf(stdout, "[УСПЕШНО] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 3;
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}
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}
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else
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{
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result = -5;
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}
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}
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else if(sqlite3_step(res) == SQLITE_DONE)
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{
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sqlite3_finalize(res);
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sql = "UPDATE `hosts` set `set` = 0";
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if (sqlite3_exec(db, sql, NULL, NULL, NULL) == SQLITE_OK)
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{
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sql = "INSERT INTO `hosts` (`ip`, `dns`, `set`) VALUES (?, ?, 1)";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_text(res, 1, ip, -1, 0);
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sqlite3_bind_text(res, 2, dns, -1, 0);
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}
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if (sqlite3_step(res) == SQLITE_BUSY)
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{
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fprintf(stderr, "[ЗАНЯТО] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 2;
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}
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if (sqlite3_step(res) == SQLITE_ERROR)
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{
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fprintf(stderr, "[ОШИБКА] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 1;
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}
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if (sqlite3_step(res) == SQLITE_DONE)
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{
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fprintf(stdout, "[УСПЕШНО] %s - \"%s\"\n", dns ? "установлено" : "очищено", ip);
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result = 0;
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}
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}
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else
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{
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result = -6;
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}
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}
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else
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{
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result = -4;
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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return result;
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}
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bool dbSetUserNameCurrent(char *current)
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{
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sqlite3 *db = dbGetBase("freerdp.db");
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if (!db)
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{
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return false;
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}
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char *text = strlen(current) ? current : NULL;
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sqlite3_stmt *res;
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char *sql = "UPDATE `values` set `data` = ?, `set` = ? where id = ?";
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if (sqlite3_prepare_v2(db, sql, -1, &res, 0) == SQLITE_OK)
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{
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sqlite3_bind_text(res, 1, text, -1, 0);
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sqlite3_bind_int(res, 2, text ? true : false);
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sqlite3_bind_int(res, 3, VALUE_USERNAME);
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}
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if (sqlite3_step(res) == SQLITE_BUSY)
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{
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fprintf(stderr, "[ЗАНЯТО] %s - \"%s\"\n", text ? "установлено" : "очищено", getParameter(VALUE_USERNAME)->key);
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}
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if (sqlite3_step(res) == SQLITE_ERROR)
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{
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fprintf(stderr, "[ОШИБКА] %s - \"%s\"\n", text ? "установлено" : "очищено", getParameter(VALUE_USERNAME)->key);
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}
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if (sqlite3_step(res) == SQLITE_DONE)
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{
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fprintf(stdout, "[УСПЕШНО] %s - \"%s\"\n", text ? "установлено" : "очищено", getParameter(VALUE_USERNAME)->key);
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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return true;
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}
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