GUI-FreeRDP/db.c

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