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rsinstaller.c
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/*
*License:
*“Remote Syslog” is a free application what can be used to view syslog messages.
*Copyright (C) 2017 Tom Slenter
*
*This program is free software: you can redistribute it and/or modify
*it under the terms of the GNU General Public License as published by
*the Free Software Foundation, either version 3 of the License.
*
*This program is distributed in the hope that it will be useful,
*but WITHOUT ANY WARRANTY; without even the implied warranty of
*MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*GNU General Public License for more details.
*
*You should have received a copy of the GNU General Public License
*along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*For more information contact the author:
*Name author: Tom Slenter
*E-mail: [email protected]
*/
#include <unistd.h>
#include <stdio.h>
#include <fstream>
#include <iostream>
#include <cstdlib>
#include <stdlib.h>
#include <string>
using namespace std;
inline bool file_exist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("OK ...\n");
} else {
printf("Failed ...\n");
}
}
inline bool install_exist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Previous instalation found ...\n");
} else {
printf("No Remote Syslog upgrade or update possible ...\n");
exit(0);
}
}
inline bool package_exist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Package installation ok ...\n");
} else {
printf("Package installation failed, is your OS supported? ...\n");
exit(0);
}
}
inline bool downloadexist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Download ok ...\n");
} else {
printf("Download failed ...\n");
exit(0);
}
}
inline bool extraupgrade_exist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Extra update file found ...\n");
system("chmod +x /tmp/extraupgrade");
system("/tmp/extraupgrade");
printf("Remove update file ...\n");
system("rm -rf /tmp/extraupgrade");
} else {
printf("No extra update file ...\n");
}
}
inline bool localsyslog_activated (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Local log to Remote Syslog is activated ...\n");
} else {
printf("Local log to Remote Syslog is not activated ...\n");
}
}
inline bool installer_exist (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
printf("Package is already installed. Please upgrade or reconfigure ...\n");
exit(0);
} else {
printf("Full installer ready ...\n");
}
}
inline bool limitphp (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
std::string s = "sed -i '/memory_limit/c\\memory_limit = 512M' /etc/php/7.0/apache2/php.ini";
printf("/etc/php/7.0/apache2/php.ini found ...\n");
system(s.c_str());
printf("Restarting webservices ...\n");
system("service apache2 restart");
exit(0);
} else {
printf("/etc/php/7.0/apache2/php.ini not found ...\n");
}
}
inline bool limitphpdefault (const std::string& name) {
if (FILE *file = fopen(name.c_str(), "r")) {
fclose(file);
std::string s = "sed -i '/memory_limit/c\\memory_limit = 128M' /etc/php/7.0/apache2/php.ini";
printf("/etc/php/7.0/apache2/php.ini found ...\n");
system(s.c_str());
printf("Restarting webservices ...\n");
system("service apache2 restart");
exit(0);
} else {
printf("/etc/php/7.0/apache2/php.ini not found ...\n");
}
}
int setversion ()
{
printf("#Version: 1.1.3.3 #\n");
return(0);
}
int checkinstallation()
{
printf("Check CLI application 1X ...\n");
file_exist("/usr/bin/rsview");
printf("Check installer 1X ...\n");
file_exist("/usr/bin/rsinstaller");
printf("Check GUI file 5X ...\n");
file_exist("/var/www/html/index.php");
file_exist("/var/www/html/favicon.ico");
file_exist("/var/www/html/jquery-latest.js");
file_exist("/var/www/html/loaddata.php");
file_exist("/var/www/html/indexs.php");
printf("Check logrotate 1X ...\n");
file_exist("/etc/logrotate.d/remotelog");
printf("Check colortail 1X ...\n");
file_exist("/etc/colortail/conf.colortail");
printf("Check syslog-ng 1X ...\n");
file_exist("/etc/syslog-ng/conf.d/99-remote.conf");
printf("Check remote_log dummy file 1X ...\n");
file_exist("/var/log/remote_syslog/remote_syslog.log");
printf("Check reconfiguration files 7X ...\n");
file_exist("/opt/remotesyslog/syslog-ng");
file_exist("/opt/remotesyslog/logrotate");
file_exist("/opt/remotesyslog/colortail");
file_exist("/opt/remotesyslog/syslog-ngdefault");
file_exist("/opt/remotesyslog/logrotatedefault");
file_exist("/opt/remotesyslog/colortaildefault");
file_exist("/opt/remotesyslog/syslog-ng-localdefault");
printf("Checking optional module activation ...\n");
localsyslog_activated("/etc/syslog-ng/conf.d/99-remote-local.conf");
}
int debpackage()
{
installer_exist("/usr/bin/rsinstaller");
printf("Notice: This installation is tested for Raspberry Pi 3B and Debian 8.x ...\n");
printf("Starting installation ...\n");
printf("Update installer cache ...\n");
system("apt update");
printf("Checking dependencies ...\n");
system("apt -y purge rsyslog");
system("apt -y install syslog-ng colortail wget logrotate grep apache2 apache2-bin apache2-data apache2-utils libapache2-mod-php5 libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap liblua5.1-0 libonig2 libqdbm14 php5-cli php5-common php5-json php5-readline ssl-cert tar");
}
int ubnpackage()
{
installer_exist("/usr/bin/rsinstaller");
printf("Notice: This installation is tested for Debian 9.x and Ubuntu 16.04 LTS ...\n");
printf("Starting installation ...\n");
printf("Update installer cache ...\n");
system("apt update");
printf("Checking dependencies ...\n");
system("apt -y purge rsyslog");
system("apt -y install syslog-ng colortail wget logrotate grep apache2 apache2-utils php libapache2-mod-php tar");
}
int fullinstallation()
{
package_exist("/etc/init.d/syslog-ng");
printf("Creating dummy remote_syslog file ...\n");
system("mkdir /var/log/remote_syslog/");
system("touch /var/log/remote_syslog/remote_syslog.log");
printf("Set dummy remote_syslog file permissions ...\n");
system("chown www-data:www-data /var/log/remote_syslog/");
system("chown www-data:www-data /var/log/remote_syslog/remote_syslog.log");
printf("Set archive symlink ...\n");
system("ln -s /var/log/remote_syslog /var/www/html/");
printf("Remove default GUI website ...\n");
system("rm -rf /var/www/html/index.html");
printf("Configuring syslog-ng ...\n");
system("cp -rf syslog-ng /etc/syslog-ng/conf.d/99-remote.conf");
printf("Restart syslog-ng ...\n");
system("service syslog-ng restart");
printf("Set logrotation ...\n");
system("cp -rf logrotate /etc/logrotate.d/remotelog");
printf("Activate colortail regex ...\n");
system("cp -rf colortail /etc/colortail/conf.colortail");
printf("Deploying application for CLI logging ...\n");
system("cp -rf rsview /usr/bin/rsview");
printf("Set permissions for CLI application ...\n");
system("chmod +x /usr/bin/rsview");
printf("Set GUI website ...\n");
system("cp -rf index.php /var/www/html/");
system("cp -rf indexs.php /var/www/html/");
system("cp -rf favicon.ico /var/www/html/");
system("cp -rf jquery-latest.js /var/www/html/");
system("cp -rf loaddata.php /var/www/html/");
printf("Deploying installer ...\n");
system("cp -rf rsinstaller /usr/bin/rsinstaller");
printf("Deploy config to /opt/remotesyslog/ ...\n");
system("mkdir /opt/remotesyslog/");
system("cp -rf syslog-ng /opt/remotesyslog/");
system("cp -rf syslog-ng /opt/remotesyslog/syslog-ngdefault");
system("cp -rf logrotate /opt/remotesyslog/");
system("cp -rf logrotate /opt/remotesyslog/logrotatedefault");
system("cp -rf colortail /opt/remotesyslog/");
system("cp -rf colortail /opt/remotesyslog/colortaildefault");
system("cp -rf syslog-ng-local /opt/remotesyslog/syslog-ng-localdefault");
}
int reconfigure()
{
printf("Configuring syslog-ng ...\n");
system("cp -rf /opt/remotesyslog/syslog-ng /etc/syslog-ng/conf.d/99-remote.conf");
printf("Restart syslog-ng ...\n");
system("service syslog-ng restart");
printf("Set logrotation ...\n");
system("cp -rf /opt/remotesyslog/logrotate /etc/logrotate.d/remotelog");
printf("Activate colortail regex ...\n");
system("cp -rf /opt/remotesyslog/colortail /etc/colortail/conf.colortail");
}
int restoredefault()
{
printf("Restore default syslog-ng ...\n");
system("cp -rf /opt/remotesyslog/syslog-ngdefault /etc/syslog-ng/conf.d/99-remote.conf");
printf("Restart syslog-ng ...\n");
system("service syslog-ng restart");
printf("Restore default logrotation ...\n");
system("cp -rf /opt/remotesyslog/logrotatedefault /etc/logrotate.d/remotelog");
printf("Restore default colortail regex ...\n");
system("cp -rf /opt/remotesyslog/colortaildefault /etc/colortail/conf.colortail");
}
int setlocallog_start ()
{
printf("Deploying local syslog to Remote Syslog ...\n");
system("cp -rf /opt/remotesyslog/syslog-ng-localdefault /etc/syslog-ng/conf.d/99-remote-local.conf");
printf("Restart syslog-ng ...\n");
system("service syslog-ng restart");
}
int removelocallog_start ()
{
printf("Removing local syslog to Remote Syslog ...\n");
system("rm -rf /etc/syslog-ng/conf.d/99-remote-local.conf");
printf("Restart syslog-ng ...\n");
system("service syslog-ng restart");
}
int autoupdate()
{
printf("Download installation ...\n");
system("wget -N --tries=1 http://www.remotesyslog.com/syslog-latest.tar -P /tmp");
downloadexist("/tmp/syslog-latest.tar");
system("tar -xvf /tmp/syslog-latest.tar --overwrite -C ~");
printf("Remove tar ...\n");
system("rm /tmp/syslog-latest.tar");
printf("Start update ...\n");
printf("Deploying application for CLI logging ...\n");
system("cp -rf ~/syslog-latest/rsview /usr/bin/rsview");
printf("Set permissions for CLI application ...\n");
system("chmod +x /usr/bin/rsview");
printf("Set GUI website ...\n");
system("cp -rf ~/syslog-latest/index.php /var/www/html/");
system("cp -rf ~/syslog-latest/favicon.ico /var/www/html/");
system("cp -rf ~/syslog-latest/jquery-latest.js /var/www/html/");
system("cp -rf ~/syslog-latest/loaddata.php /var/www/html/");
system("cp -rf ~/syslog-latest/indexs.php /var/www/html/");
printf("Deploying installer ...\n");
system("cp -rf ~/syslog-latest/rsinstaller /usr/bin/rsinstaller");
printf("Set permissions for installer ...\n");
system("chmod +x /usr/bin/rsinstaller");
printf("Set default configuration in /opt/remotesyslog/ ...\n");
system("cp -rf ~/syslog-latest/syslog-ng /opt/remotesyslog/syslog-ngdefault");
system("cp -rf ~/syslog-latest/logrotate /opt/remotesyslog/logrotatedefault");
system("cp -rf ~/syslog-latest/colortail /opt/remotesyslog/colortaildefault");
printf("Copy upgrade file to /tmp/ ...\n");
system("cp -rf ~/syslog-latest/extraupgrade /tmp/extraupgrade");
extraupgrade_exist("/tmp/extraupgrade");
}
int set512M()
{
limitphp("/etc/php/7.0/apache2/php.ini");
}
int set128M()
{
limitphpdefault("/etc/php/7.0/apache2/php.ini");
}
static void show_usage(std::string name)
{
std::cerr << "Usage rsinstaller:\n"
<< "\n"
<< "\t-h,--help\t\t Display help\n"
<< "\t-r,--reconfigure\t Reconfigure services\n"
<< "\t-f,--fullinstall\t Start full installation\n"
<< "\t-a,--autoupgrade\t Auto upgrade (requires internet)\n"
<< "\t-d,--defaultconfig\t Restore default configuration\n"
<< "\t-al,--addlocallog\t Add local syslog to Remote Syslog\n"
<< "\t-rl,--rmlocallog\t Remove local syslog to Remote Syslog\n"
<< "\t-am,--memlimit\t\t Set new memory limit of 512M\n"
<< "\t-rm,--defaultmemlimit\t Set default memory limit of 128M\n"
<< "\n"
<< "Remote Syslog v1.1.3.3 by T.Slenter\n"
<< "More information: remotesyslog.com\n"
<< std::endl;
}
inline bool ubnfullinstall () {
printf("\n");
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Debian / Ubuntu installation #\n");
setversion();
printf("#####################################\n");
printf("\n");
ubnpackage();
fullinstallation();
checkinstallation();
return(0);
}
inline bool debfullinstall () {
printf("\n");
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Raspberry / Debian installation #\n");
setversion();
printf("#####################################\n");
printf("\n");
debpackage();
fullinstallation();
checkinstallation();
return(0);
}
inline bool finstall () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: full install #\n");
setversion();
printf("#####################################\n");
printf("\n");
}
inline bool upgrade () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: Reconfiguration #\n");
setversion();
printf("#####################################\n");
printf("\n");
install_exist("/usr/bin/rsview");
reconfigure();
checkinstallation();
return(0);
}
inline bool autoupgrade () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: auto update #\n");
setversion();
printf("#####################################\n");
printf("\n");
install_exist("/usr/bin/rsview");
autoupdate();
checkinstallation();
return(0);
}
inline bool setdefault () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: Reconfiguration #\n");
setversion();
printf("#####################################\n");
printf("\n");
install_exist("/usr/bin/rsview");
restoredefault();
checkinstallation();
return(0);
}
inline bool setlocallog () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: Local syslog #\n");
setversion();
printf("#####################################\n");
printf("\n");
install_exist("/usr/bin/rsview");
setlocallog_start();
checkinstallation();
return(0);
}
inline bool removelocallog () {
printf("#####################################\n");
printf("#Remote Syslog by T.Slenter #\n");
printf("#More information: remotesyslog.com #\n");
printf("#Installation type: Local syslog #\n");
setversion();
printf("#####################################\n");
printf("\n");
install_exist("/usr/bin/rsview");
removelocallog_start();
checkinstallation();
return(0);
}
int main(int argc, char* argv[])
{
if (getuid()) {
printf("%s", "You must be root!\n");
printf ("\n");
} else {
if (argc < 2) {
show_usage(argv[0]);
return 1;
}
for (int i = 1; i < argc; ++i) {
std::string arg = argv[i];
if ((arg == "-h") || (arg == "--help")) {
show_usage(argv[0]);
return 0;
} else if ((arg == "-r") || (arg == "--reconfigure")) {
upgrade();
return(0);
} else if ((arg == "-f") || (arg == "--fullinstall")) {
finstall();
printf("Select your OS: \n");
printf("1) Debian 8.x or Raspberry Pi 3B (Jessie Lite)\n");
printf("2) Debian 9.x or Ubuntu 16.04 LTS or Raspberry Pi 3B (Stretch Lite)\n");
printf("3) Exit\n");
printf("\n");
int i;
cout << "Enter your option: ";
cin >> i;
if (i == 1) {
debfullinstall();
return(0);
} else if (i == 2) {
ubnfullinstall();
return(0);
} else if (i == 3) {
printf("Exit ...\n");
return(0);
} else {
printf("Wrong option selected, auto exit.\n");
return(0);
}
} else if ((arg == "-a") || (arg == "--autoupgrade")) {
autoupgrade();
return(0);
} else if ((arg == "-d") || (arg == "--defaultconfig")) {
setdefault();
return(0);
} else if ((arg == "-al") || (arg == "--addlocallog")) {
setlocallog();
return(0);
} else if ((arg == "-rl") || (arg == "--rmlocallog")) {
removelocallog();
return(0);
} else if ((arg == "-am") || (arg == "--memlimit")) {
set512M();
return(0);
} else if ((arg == "-rm") || (arg == "--defaultmemlimit")) {
set128M();
return(0);
} else {
show_usage(argv[0]);
return 1;
}
}
}
}