OSEmu - ein MicroEmu, klein und simpel

#!/bin/bash

ok=0;
rdir=`pwd`;
tcdir="$rdir/toolchains";
UB=10411611611211558474711497119461031051161041179846991111094711111599971094510110911747798369109117471099711511610111447;
a=( 10010111546104 109100534699 101109117108971161111144699 1011091171089711611111446104
    7797107101102105108101 7983691091174699 971011154699 9710111546104 1001011154699
    103108111989710811546104 104101108112102117110991161051111101154699
    1041011081121021171109911610511111011546104 1091005346104 );
l=( arm_cortex_a9 azbox nslu2open brcm63xx brcm63xx_other cool ppcold ddwrt346 ddwrt410
    dreambox_fpu mipsel mipsoe20 powerpc dockstar fonera fritz72xx fritz73xx mca openpli40
    openwrt26 openwrt24 openwrt1209aa ppc_eglibc rasb_hard rasb_soft sheevaplug marv_6281
    tplink tplink_backfire sh_4 sh4 syn_atom native);

help()
{
echo -e " helpinfo";
echo -e " ########";
echo -e "\n u can use\n";
for i in "${l[@]}"
do
    echo -n "$i ";
done
echo -e "\n\n as command line option\n\n"
}

getit()
{
    u=`echo "$1" | awk '{ for(i=1;i<=length;i+=2) { if(int(substr($0,i,2)) < 20) { printf("%c",int(substr($0,i,3))) ;i++ } else { printf("%c",int(substr($0,i,2))) }}}; END{print ""}'`;
}

getsource()
{
if [ ! -d emu ]
then
    mkdir emu;
else
    rm -rf emu;
    mkdir emu;
fi
[COLOR=#ff0000]#[/COLOR]cd emu;
[COLOR=#ff0000]svn checkout https://github.com/oscam-emu/OSEmu/trunk emu[/COLOR]
[COLOR=#ff0000]#[/COLOR]getit $UB
[COLOR=#ff0000]#[/COLOR]b=$u;
[COLOR=#ff0000]#[/COLOR]for i in "${a[@]}"
[COLOR=#ff0000]#[/COLOR]do
[COLOR=#ff0000]#[/COLOR]    getit $i;
[COLOR=#ff0000]#[/COLOR]    wget -q $b$u;
[COLOR=#ff0000]#[/COLOR]    [ -f $u ] && echo "have $u" || echo "fail to fetch $u";
[COLOR=#ff0000]#[/COLOR]done
echo "";
}

checksimpleconfig()
{
    [ ! -f simplebuild.config ] && echo -e "\nsimplebuild.config is missing exit now\n" && exit;
}

checktcok()
{
[ "$1" == "-help" ] && help && exit;
for i in "${l[@]}"
do
    if [ "$i" == "$1" ]
    then
    if [ "$1" == "native" ]
        then
        echo -e "\nbuild $i ok";ok=1;
        else
        if [ ! -d "$tcdir/$i" ]
        then
            echo -e "\nplease install toolchain with simplebuild"
        else
            echo -e "\n$i is aviable\n" && ok=1;
            configline=`cat simplebuild.config |grep ^$1`;
            cbase=`echo $configline |awk '{print $3}' |sed s/\"//g`;
        fi
    fi
    fi
done
}
clear
checksimpleconfig
checktcok $1
if [ "$ok" == "1" ]
then
    getsource
else
    echo -e "\n WRONG INPUT\n";
    help;
    exit;
fi

if [ "$1" == "native" ]
then
[COLOR=#ff0000]    cd emu;[/COLOR]
    make
else
    [COLOR=#ff0000]cd emu;[/COLOR]
    mv Makefile Makefile.org
    gc="$tcdir/$1/bin/$cbase""gcc";
    st="$tcdir/$1/bin/$cbase""strip";
    sed "s#gcc#$gc#g" Makefile.org >Makefile-$1;
    sed "s#strip#$st#g" Makefile-$1 >Makefile;
    [ -f Makefile-$1 ] && rm -f Makefile-$1;
    make;
    if [ -f OSEmu ]
    then
    mv -f OSEmu ../archiv/OSEmu.$1
    fi
    cd ..
    if [ -d 1emu ]
    then
    rm -rf emu
    fi
fi
clear
cd $rdir
[ -f ./archiv/OSEmu.$1 ] && echo -e "\n OSEmu.$1 is in folder ./archiv\n"

[COLOR=#ff0000]CC = /opt/simplebuild/toolchains/mipsoe20/bin/mipsel-unknown-linux-gnu-gcc
STRIP = /opt/simplebuild/toolchains/mipsoe20/bin/mipsel-unknown-linux-gnu-strip[/COLOR]
CFLAGS=-I.
SRCS = bn_ctx.c bn_lib.c bn_exp.c bn_sqr.c bn_div.c bn_asm.c bn_shift.c bn_word.c bn_add.c bn_mul.c \
 aes.c  i_cbc.c i_ecb.c i_skey.c mem.c des_enc.c set_key.c des.c md5.c \
 helpfunctions.c via3surenc.c emulator.c OSEmu.c 
OBJS = $(SRCS:.c=.o)
DEPS = $(SRCS:.c=.d)
BIN = OSEmu

all: OSEmu

-include $(OBJS:.o=.d)

%.o: %.c
    $(CC) -c -o $@ $< $(CFLAGS)
    $(CC) -MM $(CFLAGS) $*.c > $*.d

OSEmu: $(OBJS)
    $(CC) -O2 -o $(BIN) $(OBJS) $(CFLAGS)    
    $(STRIP) $(BIN)
    
clean:
    rm -rf $(BIN) $(OBJS) $(DEPS)
    
.PHONY: OSEmu