#!/bin/bash
# Author: Jorge Pereira <jpereiran@gmail.com>
# Last Change: Sun 22 Mar 2009 03:11:42 AM BRT
##

PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:$PATH"
export PATH

my-nmap()
{
  echo "Gerando o arquivo scan.out"
  nmap -sS -sU -P0 -oN scan.out --version-all -O -sV $@
}

my-sync-scripts-from-jorgepereira()
{
 from="http://blog.jorgepereira.com.br/wp-content/dist/scripts/"

 cd ~ && \
 wget -c $(lynx -dump http://blog.jorgepereira.com.br/wp-content/dist/scripts/ | sed '/http:\/\//!d; /dot\./!d; s/.* //') && \
 ls dot.* | while read a; do mv -fv $a "$(echo $a | sed 's/dot//g')"; done
}

my-renice-byname()
{
  sudo renice $1 $(pidof $2)
}

my-addalias()
{
    echo "alias $@" >> ~/.bash_alias
    source ~/.bash_alias
}

my-set-simple-path()
{
  export PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
}

my-set-old-ps1()
{
        export PS1="[\u@\h \W]\\$ "
}

my-valgrind()
{
    log=$(basename $1).valgrind.log
    export G_SLICE=always-malloc
    export G_DEBUG=gc-friendly  

    valgrind -v --tool=memcheck --leak-check=full --num-callers=40 --log-file=${log} $@

}

my-df-devices()
{
    df -Th / /boot /home /coisas /media/Movies /media/Musics /media/WindowsXP 2>&-
}

ver()
{
    lynx -dump -head http://$1
}

my-show-size-of-my-home()
{
    cd ~ && {
        ls -a | grep -v "^\\.\\.\?$" | xargs du -hs | sort --key=1
    }
}

# utilizado para reiniciar servico
my-service-restart()
{
    if [ -z "$*" ];then
        echo "Usage: `basename $0` <servico>"
    else
        for prog in $*; do {
            echo -n "Restarting ${prog} ..."
            sudo /etc/init.d/${prog} restart
            echo "ok"
         } done
    fi
}

# altera permissoes do diretorio atual
my-perm()
{
    chmod="chmod"
    echo "Deseja alterar as permissoes do diretorio \"$(pwd)\"?"
    echo "Diretorios (rwx,r-x,r-x) & Arquivos (rw-,r--,r--)"
    echo -n "Alterar? [s/n] "
    read opt

    if [ "${opt}" = "s" ]
    then
    {
        if [ "$1" = "-v" -o "$1" = "v" ]
        then
        {
          chmod="chmod -v"
        }
        fi

        find . -type f -exec $chmod 644 {} \;
        find . -type d -exec $chmod 755 {} \;
    }
    else 
    {
        echo "Abortando..."
    } 
    fi
}

# liga o capslock
my-start-of-all-capslock()
{
# Teclado (NUMLOCK)
    INITTY="1 2 3 4 5 6 7 8 9 10 11" 
    for tty in $INITTY; do {
       setleds -D +num < /dev/tty$tty
       setleds -D -num < /dev/tty$tty
       setleds -D +num < /dev/tty$tty
    } done
}

# clean of backups
my-nobacks()
{
    find . -name "*~"  -exec rm -rfv {} \;
    find . -name ".*~" -exec rm -rfv {} \;
}

# sabe o tamanho do home
my-size-of-home()
{
  rm -f ~/mysize.txt 
  ls -a ~ | while read _file_;
  do {
    du -hs ${_file_}
  } done | sort -n --key=1 > /tmp/mysize-$$
  mv -f /tmp/mysize-$$ ~/mysize.txt
}

# gravar cd
my-cdrecord()
{
  if [ $# -lt 1 ];then
    echo "Usage: $(basename $0) <arquivo iso>"
    exit 1
  else
    cdrecord dev=ATAPI:/dev/hdc -pad -speed=32 -eject -data -force -v $1
  fi
}

# clean buff of memory
my-clean-buffersmemory()
{
  echo "(*) Limpando cache..."
  sudo sysctl -w vm.drop_caches=1
  sudo sysctl -w vm.drop_caches=2
  sudo sysctl -w vm.drop_caches=3
}

# kill
kill-evolution()
{
  ps aux | grep evolution | awk '{print $2}' | xargs kill -9 1> /dev/null 2>&1
  TASK=$?

  if [ ${TASK} -eq 1 ];then
    echo "N�o existe processo do evolution sendo executado..."
  fi
}

# clean
my-clean-home()
{
  rm -rf ~/.gqview
  rm -rf ~/.thumbnails
  rm -rf ~/.mozilla/firefox/default/Cache/*

# pidgin
  rm -rf ~/.purple/logs/jabber/*

  rm -rf /home/jorge/.xchat2/xchatlogs/* /home/jorge/.xchat2/scrollback/*
# emesene
  rm -f ~/.config/emesene1.0/jorge_pereira_cesar_org_br/logs/*
  rm -f ~/.config/emesene1.0/jorge_jorgepereira_com_br/logs/*
  rm -f ~/.config/emesene1.0/muitabronca_hotmail_com/logs/*
}

# faz busca por um bin nos PATH's
findbin()
{
 ACHOU=12

  if [ -z "$1" ];then
    echo "Usage: $0 <comando>"
	else
    echo $PATH | sed "s/:/ /g" | xargs ls 2> /dev/null | grep -i $1 | \
		sort -n | uniq | \
		while read _file; do 
			if ( (which ${_file} 1> /dev/null 2>&1));then
				echo $(which ${_file})
			else 
				echo ":${_file}"
			fi
		done | sort -n
		
		if [ "${ACHOU}" = "false" ];then
			echo "Nãda encontrado referente a ($1) no \$PATH."
			exit 1
		fi
	fi
}

# exibe o ip real para internet
myip()
{
  _ip=$(lynx -dump http://www.ossec.net/userinfo/ | sed '/Ip Address/!d; s/\(.*:\| \)//g;')
  echo "Meu IP: http://${_ip}:8080$1"
}

# limpa os arquivos de log
clean-var-log()
{
  find /var/log -maxdepth 1 -type f | \
  while read l
  do 
    > $l
  done
}

# coloca as chaves no apt
apt-chave()
{
  gpg --keyserver hkp://subkeys.pgp.net --recv-keys $1
  gpg --armor --export $1 | sudo apt-key add -
}

# atualiza e monta um mirror de debs
debian-update-mirror()
{
debdir="/var/www/ubuntu/"

  mkdir -p /var/www/ubuntu/
  rm -f /var/www/ubuntu/debs
  ln -fs /var/cache/apt/archives /var/www/ubuntu/debs

  if [ ! -d "${debdir}" ];then
    echo "Diretorio (${debdir}) invalido!"
    exit 1
  fi

  echo -n "Atualizando Packages.gz..."
  (
    cd ${debdir}/debs

    ls *.deb | grep "%3a" | \
    while read huhu
    do
      mv -fv ${huhu} $(echo ${huhu} | sed "s/%3a/:/g")
    done
  )

  cd $debdir
  touch temp
  dpkg-scanpackages debs temp 2> /dev/null | gzip > debs/Packages.gz
  rm -f ${temp}
  
  echo "finalizado!!"
}

# remove os caracteres errados dos pacotes
debian-update-debs()
{
    ls | while read f; do {
        if ( (echo $f | grep "%3a" 1> /dev/null 2> /dev/null))
        then
            mv -fv $f $(echo $f| sed "s/%3a/:/g")
        fi
    } done
}

edit-sourcelist()
{
    sudo vi /etc/apt/sources.list
}

# edita um script passado como parametro, caso o mesmo exista!
edit-this()
{
   if [ -f $(which $1) ];then
        vi $(which $1)
    else
        echo "O Arquivo $1 nao existe fera! :("
    fi
}

# executa o comando cp com um progress bar
cp_p()
{
   set -e
   strace -q -ewrite cp -- "${1}" "${2}" 2>&1 \
      | awk '{
	    count += $NF
            if (count % 10 == 0) {
               percent = count / total_size * 100
               printf "%3d%% [", percent
               for (i=0;i<=percent;i++)
                  printf "="
               printf ">"
               for (i=percent;i<100;i++)
                  printf " "
               printf "]\r"
            }
         }
         END { print "" }' total_size=$(stat -c '%s' "${1}") count=0
}

# edita o bashrc
edit-bashrc()
{
	vi ~/.bashrc 
	source ~/.bashrc
}

# edita o vimrc
edit-vimrc()
{
    vi ~/.vimrc
}
# edita a var PATH em bashrc
edit-path()
{
	vi ~/.bashrc +/^PATH
	source ~/.bashrc
}

# recarrega o bash_functions
reload-functions()
{
	source ~/.bash_functions
}

# recarrega o bashrc
reload-bash()
{
	source ~/.bashrc
}

# faz uma copia do cd
copyCdrom2Iso()
{
	arg0=copyCdrom2Iso
	if [ -z $1 ];then
		echo "Usage: $arg0 <device> <destino nome do arquivo.iso"
		echo "Ex:"
		echo "$arg0 /dev/hdc arquivo.iso"
		echo
		return
	fi

	dd if=$1 of="$2" bs=2048
	echo "Done!"
}

# converte arquivos flash para mpg
convertFlv2Mpg()
{
	if [ $# -lt 1 ];then
		echo "Usage: $0 [ -f ] [ -outdir \$diretorioDestino ] arquivos flv / *.flv "
		return
	fi

	real=0
	outdir="$PWD/"
	if [ "$1" = "-f" ];then
		shift;
		real=1
	fi

	if [ "$1" = "-outdir" ];then
		outdir="$2/"
		shift
		shift
	fi

	for file in "$@"
  do
		if [ ! -f "${file}" ];then
			echo "Arquivo ${file} nao existe ou sem permissao de leitura"
			break
		fi

		outfile="${outdir}${file/.*}.mpg"
		if [ $real -eq 0 ];then
			echo "ffmpeg -i \"${file}\" -ab 56 -ar 22050 -b 500 -s 320x240 \"${outfile}\""
		else
			ffmpeg -i "${file}" -ab 56 -ar 22050 -b 500 -s 320x240 "${outfile}"
		fi
	done
}

# download de files do youtube
downtube()
{
	mkdir -p ~/youtube
	cd ~/youtube
	youtube-dl -o $1 $2
}

#remover servicos
service-remove()
{
	for i in $@; do
	{
		sudo update-rc.d -f $i remove
        [ -f "/etc/init.d/$i" ] && sudo invoke-rc.d $i stop
	}
	done
}
	
# converter jpg para boot image
wallpaper2bootimage()
{
	convert -resize 640x480 -colors 14 $1 splashimage.xpm && gzip splashimage.xpm
}

# Criar uma copia do cd atual para uma imagem ISO
cdrom2iso()
{
	dd if=/dev/cdrom of=CDROM-file.iso bs=1024
}

# criar uma isso apartir de um diretorio
criarISO()
{
	NOME=$1
	shift

	mkisofs -r -o $NOME-file.iso $@
}

# Atualizando alias
update-alias()
{
	if [ ! -f $HOME/.bash_alias ];then
		echo "AVISO: Arquivo de alias invalido!"
		exit 0
	fi

	mv -fv $HOME/.bash_alias $HOME/.bash_alias.old
	alias 1> $HOME/.bash_alias 2>&-
	source $HOME/.bash_alias
}

# edita o arquivo personalizado de alias
edit-alias()
{	
	if [ ! -f $HOME/.bash_alias ];then
		echo "AVISO: Arquivo de alias invalido!"
		exit 0
	fi

	vi $HOME/.bash_alias
  unalias -a
	source $HOME/.bash_alias
}

# edita este arquivo
edit-functions()
{
	if [ ! -f $HOME/.bash_functions ];then
		echo "AVISO: Arquivo de alias invalido!"
		exit 0
	fi

	vi $HOME/.bash_functions
	source $HOME/.bash_functions
}

# faz atualizcao
debian-update()
{
  apt-get -f -y --force-yes update
  apt-get -f -y --force-yes dist-upgrade
  apt-get -f -y --force-yes upgrade
}