#!/bin/sh

addons="WEBIF WEBIF_LIVELOG WEBIF_JQUERY WITH_COMPRESS_WEBIF WITH_SSL HAVE_DVBAPI WITH_EXTENDED_CW WITH_NEUTRINO READ_SDT_CHARSETS CS_ANTICASC WITH_DEBUG MODULE_MONITOR WITH_LB CS_CACHEEX CS_CACHEEX_AIO CW_CYCLE_CHECK LCDSUPPORT LEDSUPPORT CLOCKFIX IPV6SUPPORT WITH_ARM_NEON WITH_SIGNING"
protocols="MODULE_CAMD33 MODULE_CAMD35 MODULE_CAMD35_TCP MODULE_NEWCAMD MODULE_CCCAM MODULE_CCCSHARE MODULE_GBOX MODULE_RADEGAST MODULE_SCAM MODULE_SERIAL MODULE_CONSTCW MODULE_PANDORA MODULE_GHTTP MODULE_STREAMRELAY"
readers="READER_NAGRA READER_NAGRA_MERLIN READER_IRDETO READER_CONAX READER_CRYPTOWORKS READER_SECA READER_VIACCESS READER_VIDEOGUARD READER_DRE READER_TONGFANG READER_BULCRYPT READER_GRIFFIN READER_DGCRYPT"
card_readers="CARDREADER_PHOENIX CARDREADER_INTERNAL CARDREADER_SC8IN1 CARDREADER_MP35 CARDREADER_SMARGO CARDREADER_DB2COM CARDREADER_STAPI CARDREADER_STAPI5 CARDREADER_STINGER CARDREADER_DRECAS"

defconfig="
CONFIG_WEBIF=y
CONFIG_WEBIF_LIVELOG=y
CONFIG_WEBIF_JQUERY=y
CONFIG_WITH_COMPRESS_WEBIF=y
# CONFIG_WITH_SSL=n
CONFIG_HAVE_DVBAPI=y
# CONFIG_WITH_EXTENDED_CW=n
# CONFIG_WITH_NEUTRINO=n
CONFIG_READ_SDT_CHARSETS=y
# CONFIG_CS_ANTICASC=n
CONFIG_WITH_DEBUG=y
CONFIG_MODULE_MONITOR=y
CONFIG_WITH_LB=y
# CONFIG_CS_CACHEEX=n
# CONFIG_CS_CACHEEX_AIO=n
# CONFIG_CW_CYCLE_CHECK=n
# CONFIG_LCDSUPPORT=n
# CONFIG_LEDSUPPORT=n
# CONFIG_CLOCKFIX=n
# CONFIG_IPV6SUPPORT=n
# CONFIG_WITH_ARM_NEON=n
# CONFIG_WITH_SIGNING=n
# CONFIG_MODULE_CAMD33=n
CONFIG_MODULE_CAMD35=y
CONFIG_MODULE_CAMD35_TCP=y
CONFIG_MODULE_NEWCAMD=y
CONFIG_MODULE_CCCAM=y
CONFIG_MODULE_CCCSHARE=y
CONFIG_MODULE_GBOX=y
# CONFIG_MODULE_RADEGAST=n
# CONFIG_MODULE_SERIAL=n
# CONFIG_MODULE_CONSTCW=n
# CONFIG_MODULE_PANDORA=n
# CONFIG_MODULE_SCAM=n
# CONFIG_MODULE_GHTTP=n
# CONFIG_MODULE_STREAMRELAY=n
CONFIG_WITH_CARDREADER=y
CONFIG_READER_NAGRA_COMMON=y
CONFIG_READER_NAGRA=y
CONFIG_READER_NAGRA_MERLIN=y
CONFIG_READER_IRDETO=y
CONFIG_READER_CONAX=y
CONFIG_READER_CRYPTOWORKS=y
CONFIG_READER_SECA=y
CONFIG_READER_VIACCESS=y
CONFIG_READER_VIDEOGUARD=y
CONFIG_READER_DRE=y
CONFIG_READER_TONGFANG=y
CONFIG_READER_BULCRYPT=y
CONFIG_READER_GRIFFIN=y
CONFIG_READER_DGCRYPT=y
CARDREADER_PHOENIX=y
# CARDREADER_DRECAS=n
CARDREADER_INTERNAL=y
# CARDREADER_SC8IN1=n
# CARDREADER_MP35=n
# CARDREADER_SMARGO=n
# CARDREADER_DB2COM=n
# CARDREADER_STAPI=n
# CARDREADER_STAPI5=n
# CARDREADER_STINGER=n
"

usage() {
	echo \
"OSCam config
Usage: `basename $0` [parameters]

 -g, --gui                    Start interactive configuration

 -s, --show-enabled [param]   Show enabled configuration options.
 -Z, --show-disabled [param]  Show disabled configuration options.
 -S, --show-valid [param]     Show valid configuration options.
                              Possible params: all, addons, protocols,
                                               readers, card_readers

 -l, --list-config            List active configuration variables.
 -e, --enabled [option]       Check if certain option is enabled.
 -d, --disabled [option]      Check if certain option is disabled.

 -E, --enable [option]        Enable config option.
 -D, --disable [option]       Disable config option.

    The following [option]s enable or disable multiple settings.
      all          - Everything.
      addons       - All addons.
      protocols    - All protocols.
      readers      - All readers.
      card_readers - All card readers.

 -R, --restore                Restore default config.

 -cc, --create-cert [option]  Create a new self signed X.509 certificate and private key.

    The following [option]s in this order are supported:
      ecdsa|rsa       - key type (default: ecdsa)
      prime256v1|4096 - key length (default: prime256v1), any ecdsa curve or rsa length should work
      ca              - create Root CA certificates
      subject         - X.509 certificate subject e.g. 'My OSCam Distribution'

 -cf, --cert-file [option]    Get filename of requested (cert|privkey) type.
 -ci, --cert-info             Get a list of useful certificate information.
 -cl, --add-cert [option]     Create symlinks to use a custom, pre-created set of X.509 certificate and private key.

    The following [option]s in this order are mandatory:
      certificate filename - relative/absolute path to certificate file
      private key filename - relative/absolute path to private key file

 -sm, --sign-marker           Get Oscam binary signature marker.
 -um, --upx-marker            Get Oscam binary upx marker.
 -v, --oscam-version          Display OSCam version.
 -c, --oscam-commit           Display OSCam GIT short commit sha 8-digits.

 -O, --detect-osx-sdk-version Find where OS X SDK is located

 -h, --help                   Display this help text.

Examples:
  # Enable WEBIF and SSL
  ./config.sh --enable WEBIF WITH_SSL

  # Disable WEBIF but enable WITH_SSL
  ./config.sh --disable WEBIF --enable WITH_SSL

  # Restore defaults and disable WEBIF and READER_NAGRA
  ./config.sh --restore --disable WEBIF READER_NAGRA

  # Use default config with only one enabled reader
  ./config.sh --restore --disable readers --enable READER_BULCRYPT

  # Disable everything and enable webif one module and one card reader
  ./config.sh --disable all --enable WEBIF MODULE_NEWCAMD READER_BULCRYPT

  # Disable all card readers except INTERNAL
  ./config.sh -D card_readers -E CARDREADER_INTERNAL

  # Create new self signed private key and certificate with defaults
  ./config.sh --create-cert

  # Create new self signed private key and certificate with custom settings
  ./config.sh --create-cert rsa 4096

  # Create new Root CA with private key and certificate with custom settings
  ./config.sh --create-cert ecdsa prime256v1 ca 'My OSCam Distribution'

Available options:
       addons: $addons
    protocols: $protocols
      readers: $readers
 card_readers: $card_readers
"
}

# Output directory for config.mak set by --objdir parameter
OBJDIR=.

# Use flags set by --use-flags parameter
USE_FLAGS=

# Used by --cert, --get-cert parameter
CERT_DIR="./certs"
CERT_PRIVATE_KEY="private.key"
CERT_X509="certificate.crt"

have_flag() {
	for FLAG in $USE_FLAGS
	do
		[ "$FLAG" = "$1" ] && return 0
	done
	return 1
}

have_all_flags() {
	for opt ; do
		have_flag $opt || return 1
	done
	return 0
}

have_any_flags() {
	for opt ; do
		have_flag $opt && return 0
	done
	return 1
}

not_have_flag() {
	for FLAG in $USE_FLAGS
	do
		[ "$FLAG" = "$1" ] && return 1
	done
	return 0
}

not_have_all_flags() {
	for opt ; do
		not_have_flag $opt || return 1
	done
	return 0
}

not_have_any_flags() {
	for opt ; do
		not_have_flag $opt && return 0
	done
	return 1
}

# Config functions
enabled() {
	grep "^\#define $1 1$" config.h >/dev/null 2>/dev/null
	return $?
}

disabled() {
	grep "^\#define $1 1$" config.h >/dev/null 2>/dev/null
	test $? = 0 && return 1
	return 0
}

enabled_all() {
	for opt ; do
		enabled $opt || return 1
	done
	return 0
}

disabled_all() {
	for opt ; do
		disabled $opt || return 1
	done
	return 0
}

enabled_any() {
	for opt ; do
		enabled $opt && return 0
	done
	return 1
}

disabled_any() {
	for opt ; do
		disabled $opt && return 0
	done
	return 1
}

list_enabled() {
	for OPT in $@
	do
		enabled $OPT && echo $OPT
	done
}

list_disabled() {
	for OPT in $@
	do
		disabled $OPT && echo $OPT
	done
}

write_enabled() {
	defined_file="webif/is_defined.txt"
	pages_c="webif/pages.c"
	rm -f $defined_file $pages_c 2>/dev/null
	for OPT in $(get_opts) WITH_CARDREADER
	do
		enabled $OPT && printf "%s\n" $OPT >> $defined_file
	done
}

valid_opt() {
	[ "$1" = "WITH_CARDREADER" ] && return 0 # Special case
	echo $addons $protocols $readers $card_readers | grep -w "$1" >/dev/null
	return $?
}

enable_opt() {
	valid_opt $1 && disabled $1 && {
		sed -e "s|//#define $1 1$|#define $1 1|g" config.h > config.h.tmp && \
		mv config.h.tmp config.h
		echo "Enable $1"
	}
}

enable_opts() {
	for OPT in $@
	do
		enable_opt $OPT
	done
}

disable_opt() {
	valid_opt $1 && enabled $1 && {
		sed -e "s|#define $1 1$|//#define $1 1|g" config.h > config.h.tmp && \
		mv config.h.tmp config.h
		echo "Disable $1"
	}
}

disable_opts() {
	for OPT in $@
	do
		disable_opt $OPT
	done
}

get_opts() {
	OPTS=""
	case "$1" in
	'addons')       OPTS="$addons" ; ;;
	'protocols')    OPTS="$protocols" ; ;;
	'readers')      OPTS="$readers" ; ;;
	'card_readers') OPTS="$card_readers" ; ;;
	*)              OPTS="$addons $protocols $readers $card_readers" ; ;;
	esac
	echo $OPTS
}

update_deps() {
	# Calculate dependencies
	enabled_any $(get_opts readers) $(get_opts card_readers) && enable_opt WITH_CARDREADER >/dev/null
	disabled_all $(get_opts readers) $(get_opts card_readers) && disable_opt WITH_CARDREADER >/dev/null
	disabled WEBIF && disable_opt WEBIF_LIVELOG >/dev/null
	disabled WEBIF && disable_opt WEBIF_JQUERY >/dev/null
	enabled MODULE_CCCSHARE && enable_opt MODULE_CCCAM >/dev/null
	enabled_any CARDREADER_DB2COM CARDREADER_MP35 CARDREADER_SC8IN1 CARDREADER_STINGER && enable_opt CARDREADER_PHOENIX >/dev/null
	enabled CS_CACHEEX_AIO && enable_opt CS_CACHEEX >/dev/null
	enabled WITH_SIGNING && enable_opt WITH_SSL >/dev/null
}

list_config() {
	update_deps
	# Handle use flags
	have_flag USE_STAPI && echo "CONFIG_WITH_STAPI=y" || echo "# CONFIG_WITH_STAPI=n"
	have_flag USE_STAPI5 && echo "CONFIG_WITH_STAPI5=y" || echo "# CONFIG_WITH_STAPI5=n"
	have_flag USE_COOLAPI && echo "CONFIG_WITH_COOLAPI=y" || echo "# CONFIG_WITH_COOLAPI=n"
	have_flag USE_COOLAPI2 && echo "CONFIG_WITH_COOLAPI2=y" || echo "# CONFIG_WITH_COOLAPI2=n"
	have_flag USE_SU980 && echo "CONFIG_WITH_SU980=y" || echo "# CONFIG_WITH_SU980=n"
	have_flag USE_AZBOX && echo "CONFIG_WITH_AZBOX=y" || echo "# CONFIG_WITH_AZBOX=n"
	have_flag USE_MCA && echo "CONFIG_WITH_MCA=y" || echo "# CONFIG_WITH_MCA=n"
	have_flag USE_LIBCRYPTO && echo "CONFIG_WITH_LIBCRYPTO=y" || echo "# CONFIG_WITH_LIBCRYPTO=n"
	for OPT in $addons $protocols WITH_CARDREADER $readers
	do
		enabled $OPT && echo "CONFIG_$OPT=y" || echo "# CONFIG_$OPT=n"
	done
	for OPT in $card_readers
	do
		if [ $OPT = CARDREADER_INTERNAL ]
		then
			# Internal card reader is actually three different readers depending on USE flags
			enabled $OPT && have_flag USE_AZBOX && echo "CONFIG_${OPT}_AZBOX=y" || echo "# CONFIG_${OPT}_AZBOX=n"
			enabled $OPT && have_any_flags USE_COOLAPI USE_SU980 && echo "CONFIG_${OPT}_COOLAPI=y" || echo "# CONFIG_${OPT}_COOLAPI=n"
			enabled $OPT && have_flag USE_COOLAPI2 && echo "CONFIG_${OPT}_COOLAPI2=y" || echo "# CONFIG_${OPT}_COOLAPI2=n"
			enabled $OPT && not_have_all_flags USE_AZBOX USE_COOLAPI USE_COOLAPI2 USE_SU980 && echo "CONFIG_${OPT}_SCI=y" || echo "# CONFIG_${OPT}_SCI=n"
			continue
		fi
		if [ $OPT = CARDREADER_STAPI ]
		then
			# Enable CARDREADER_STAPI only if USE_STAPI is set
			enabled $OPT && have_flag USE_STAPI && echo "CONFIG_$OPT=y" || echo "# CONFIG_$OPT=n"
			continue
		fi
		if [ $OPT = CARDREADER_STAPI5 ]
		then
			# Enable CARDREADER_STAPI5 only if USE_STAPI5 is set
			enabled $OPT && have_flag USE_STAPI5 && echo "CONFIG_$OPT=y" || echo "# CONFIG_$OPT=n"
			continue
		fi
		enabled $OPT && echo "CONFIG_$OPT=y" || echo "# CONFIG_$OPT=n"
	done
	have_flag USE_LIBUSB && echo "CONFIG_CARDREADER_SMART=y" || echo "# CONFIG_CARDREADER_SMART=n"
	have_flag USE_PCSC && echo "CONFIG_CARDREADER_PCSC=y" || echo "# CONFIG_CARDREADER_PCSC=n"
	# Extra modules/libraries
	enabled_any MODULE_GBOX WITH_COMPRESS_WEBIF && echo "CONFIG_LIB_MINILZO=y" || echo "# CONFIG_LIB_MINILZO=n"
	not_have_flag USE_LIBCRYPTO && echo "CONFIG_LIB_AES=y" || echo "# CONFIG_LIB_AES=n"
	enabled MODULE_CCCAM && echo "CONFIG_LIB_RC6=y" || echo "# CONFIG_LIB_RC6=n"
	not_have_flag USE_LIBCRYPTO && enabled MODULE_CCCAM && echo "CONFIG_LIB_SHA1=y" || echo "# CONFIG_LIB_SHA1=n"
	enabled_any READER_DRE MODULE_SCAM READER_VIACCESS READER_NAGRA READER_NAGRA_MERLIN READER_VIDEOGUARD READER_CONAX READER_TONGFANG && echo "CONFIG_LIB_DES=y" || echo "# CONFIG_LIB_DES=n"
	enabled_any MODULE_CCCAM READER_NAGRA READER_NAGRA_MERLIN READER_SECA && echo "CONFIG_LIB_IDEA=y" || echo "# CONFIG_LIB_IDEA=n"
	not_have_flag USE_LIBCRYPTO && enabled_any READER_CONAX READER_CRYPTOWORKS READER_NAGRA READER_NAGRA_MERLIN && echo "CONFIG_LIB_BIGNUM=y" || echo "# CONFIG_LIB_BIGNUM=n"
	enabled READER_NAGRA_MERLIN && echo "CONFIG_LIB_MDC2=y" || echo "# CONFIG_LIB_MDC2=n"
	enabled READER_NAGRA_MERLIN && echo "CONFIG_LIB_FAST_AES=y" || echo "# CONFIG_LIB_FAST_AES=n"
	enabled_any READER_NAGRA_MERLIN WITH_SIGNING && echo "CONFIG_LIB_SHA256=y" || echo "# CONFIG_LIB_SHA256=n"
	enabled_any READER_NAGRA READER_NAGRA_MERLIN && echo "CONFIG_READER_NAGRA_COMMON=y" || echo "# CONFIG_READER_NAGRA_COMMON=n"
}

make_config_c() {
	OPENSSL=$(which openssl 2>/dev/null)
	if [ "$OPENSSL" = "" ]
	then
		echo "// openssl not found!"
		echo "const char *config_mak = \"CFG: openssl not found in PATH!\";"
	else
		echo "// This file is generated by ./config.sh --objdir $OBJDIR --make-config.mak"
		printf "const char *config_ssl = \"$($OPENSSL version | head -n 1 | awk -F'(' '{ print $1 }' | xargs)\";\n\n"
		echo "const char *config_mak ="
		printf "  \"\\\nCFG: strings FILE | sed -n 's/^CFG~//p' | openssl enc -d -base64 | gzip -d\\\n\"\n"
		gzip -9 < $OBJDIR/config.mak | $OPENSSL enc -base64 | while read LINE
		do
			printf "  \"CFG~%s\\\\n\"\n" "$LINE"
		done
		echo "  ;"
	fi

	if enabled WITH_SIGNING
	then
		printf "\nconst char *config_cert =\n"
		cat $(cert_file 'cert') | while read LINE
		do
			printf "\"%s\\\\n\"\n" "$LINE"
		done
		echo "  ;"
	fi
}

make_config_mak() {
	TMPFILE=$(mktemp -t config.mak.XXXXXX) || exit 1
	list_config > $TMPFILE
	[ ! -d $OBJDIR ] && mkdir -p $OBJDIR 2>/dev/null
	cmp $TMPFILE $OBJDIR/config.mak >/dev/null 2>/dev/null
	if [ $? != 0 ]
	then
		cat $TMPFILE  > $OBJDIR/config.mak
		make_config_c > $OBJDIR/config.c
	else
		make_config_c > $TMPFILE
		cmp $TMPFILE $OBJDIR/config.c >/dev/null 2>/dev/null
		[ $? != 0 ] && cat $TMPFILE > $OBJDIR/config.c
	fi
	rm -rf $TMPFILE
}

check_test() {
	if [ "$(cat $configfile | grep "^#define $1 1$")" != "" ]; then
		echo "on"
	else
		echo "off"
	fi
}

disable_all() {
	for i in $1; do
		sed -e "s/^#define ${i} 1$/\/\/#define ${i} 1/g" $tempfileconfig > ${tempfileconfig}.tmp && \
		mv ${tempfileconfig}.tmp $tempfileconfig
	done
}

enable_package() {
	for i in $(cat $tempfile); do
		strip=$(echo $i | sed "s/\"//g")
		sed -e "s/\/\/#define ${strip} 1$/#define ${strip} 1/g" $tempfileconfig > ${tempfileconfig}.tmp && \
		mv ${tempfileconfig}.tmp $tempfileconfig
	done
}

print_components() {
	clear
	echo "You have selected the following components:"
	echo
	echo "Add-ons:"
	for i in $addons; do
		printf "\t%-20s: %s\n" $i $(check_test "$i")
	done

	echo
	echo "Protocols:"
	for i in $protocols; do
		printf "\t%-20s: %s\n" $i $(check_test "$i")
	done

	echo
	echo "Readers:"
	for i in $readers; do
		printf "\t%-20s: %s\n" $i $(check_test "$i")
	done

	echo
	echo "Card readers:"
	for i in $card_readers; do
		printf "\t%-20s: %s\n" $i $(check_test "$i")
	done
}

menu_addons() {
	${DIALOG} --checklist "\nChoose add-ons:\n " $height $width $listheight \
		WEBIF				"Web Interface"									$(check_test "WEBIF") \
		WEBIF_LIVELOG		"LiveLog"										$(check_test "WEBIF_LIVELOG") \
		WEBIF_JQUERY		"Jquery onboard (if disabled webload)"			$(check_test "WEBIF_JQUERY") \
		WITH_COMPRESS_WEBIF	"Compress webpages"								$(check_test "WITH_COMPRESS_WEBIF") \
		WITH_SSL			"OpenSSL support"								$(check_test "WITH_SSL") \
		HAVE_DVBAPI			"DVB API"										$(check_test "HAVE_DVBAPI") \
		WITH_EXTENDED_CW	"DVB API EXTENDED CW API"						$(check_test "WITH_EXTENDED_CW") \
		WITH_NEUTRINO		"Neutrino support"								$(check_test "WITH_NEUTRINO") \
		READ_SDT_CHARSETS	"DVB API read-sdt charsets"						$(check_test "READ_SDT_CHARSETS") \
		CS_ANTICASC			"Anti cascading"								$(check_test "CS_ANTICASC") \
		WITH_DEBUG			"Debug messages"								$(check_test "WITH_DEBUG") \
		MODULE_MONITOR		"Monitor"										$(check_test "MODULE_MONITOR") \
		WITH_LB				"Loadbalancing"									$(check_test "WITH_LB") \
		CS_CACHEEX			"Cache exchange"								$(check_test "CS_CACHEEX") \
		CS_CACHEEX_AIO		"Cache exchange aio (depend on Cache exchange)"	$(check_test "CS_CACHEEX_AIO") \
		CW_CYCLE_CHECK		"CW Cycle Check"								$(check_test "CW_CYCLE_CHECK") \
		LCDSUPPORT			"LCD support"									$(check_test "LCDSUPPORT") \
		LEDSUPPORT			"LED support"									$(check_test "LEDSUPPORT") \
		CLOCKFIX			"Clockfix (disable on old systems!)"			$(check_test "CLOCKFIX") \
		IPV6SUPPORT			"IPv6 support (experimental)"					$(check_test "IPV6SUPPORT") \
		WITH_ARM_NEON		"ARM NEON (SIMD/MPE) support"					$(check_test "WITH_ARM_NEON") \
		WITH_SIGNING		"Binary signing with X.509 certificate"			$(check_test "WITH_SIGNING") \
		2> ${tempfile}

	opt=${?}
	if [ $opt != 0 ]; then return; fi

	disable_all "$addons"
	enable_package
}

menu_protocols() {
	${DIALOG} --checklist "\nChoose protocols:\n " $height $width $listheight \
		MODULE_CAMD33		"camd 3.3"			$(check_test "MODULE_CAMD33") \
		MODULE_CAMD35		"camd 3.5 UDP"		$(check_test "MODULE_CAMD35") \
		MODULE_CAMD35_TCP	"camd 3.5 TCP"		$(check_test "MODULE_CAMD35_TCP") \
		MODULE_NEWCAMD		"newcamd"			$(check_test "MODULE_NEWCAMD") \
		MODULE_CCCAM		"CCcam"				$(check_test "MODULE_CCCAM") \
		MODULE_CCCSHARE		"CCcam share"		$(check_test "MODULE_CCCSHARE") \
		MODULE_GBOX			"gbox"				$(check_test "MODULE_GBOX") \
		MODULE_RADEGAST		"radegast"			$(check_test "MODULE_RADEGAST") \
		MODULE_SERIAL		"Serial"			$(check_test "MODULE_SERIAL") \
		MODULE_CONSTCW		"constant CW"		$(check_test "MODULE_CONSTCW") \
		MODULE_PANDORA		"Pandora"			$(check_test "MODULE_PANDORA") \
		MODULE_GHTTP		"Ghttp"				$(check_test "MODULE_GHTTP") \
		MODULE_SCAM			"scam"				$(check_test "MODULE_SCAM") \
		MODULE_STREAMRELAY	"Stream Relay"		$(check_test "MODULE_STREAMRELAY") \
		2> ${tempfile}

	opt=${?}
	if [ $opt != 0 ]; then return; fi

	disable_all "$protocols"
	enable_package
}

menu_readers() {
	${DIALOG} --checklist "\nChoose readers (CA systems):\n " $height $width $listheight \
		READER_NAGRA		"Nagravision"		$(check_test "READER_NAGRA") \
		READER_NAGRA_MERLIN	"Nagra Merlin"		$(check_test "READER_NAGRA_MERLIN") \
		READER_IRDETO		"Irdeto"			$(check_test "READER_IRDETO") \
		READER_CONAX		"Conax"				$(check_test "READER_CONAX") \
		READER_CRYPTOWORKS	"Cryptoworks"		$(check_test "READER_CRYPTOWORKS") \
		READER_SECA			"Seca"				$(check_test "READER_SECA") \
		READER_VIACCESS		"Viaccess"			$(check_test "READER_VIACCESS") \
		READER_VIDEOGUARD	"NDS Videoguard"	$(check_test "READER_VIDEOGUARD") \
		READER_DRE			"DRE Crypt"			$(check_test "READER_DRE") \
		READER_TONGFANG		"Tongfang"			$(check_test "READER_TONGFANG") \
		READER_BULCRYPT		"Bulcrypt"			$(check_test "READER_BULCRYPT") \
		READER_GRIFFIN		"Griffin"			$(check_test "READER_GRIFFIN") \
		READER_DGCRYPT		"DGCrypt"			$(check_test "READER_DGCRYPT") \
		2> ${tempfile}

	opt=${?}
	if [ $opt != 0 ]; then return; fi

	disable_all "$readers"
	enable_package
}

menu_card_readers() {
	${DIALOG} --checklist "\nChoose card reader drivers:\n " $height $width $listheight \
		CARDREADER_PHOENIX	"Phoenix/mouse"					$(check_test "CARDREADER_PHOENIX") \
		CARDREADER_INTERNAL	"Internal (Sci,Azbox,Cool)"		$(check_test "CARDREADER_INTERNAL") \
		CARDREADER_SC8IN1	"SC8in1"						$(check_test "CARDREADER_SC8IN1") \
		CARDREADER_MP35		"AD-Teknik MP 3.6/USB Phoenix"	$(check_test "CARDREADER_MP35") \
		CARDREADER_SMARGO	"Argolis Smargo Smartreader"	$(check_test "CARDREADER_SMARGO") \
		CARDREADER_DB2COM	"dbox2"							$(check_test "CARDREADER_DB2COM") \
		CARDREADER_STAPI	"STAPI"							$(check_test "CARDREADER_STAPI") \
		CARDREADER_STAPI5	"STAPI5"						$(check_test "CARDREADER_STAPI5") \
		CARDREADER_STINGER	"STINGER"						$(check_test "CARDREADER_STINGER") \
		CARDREADER_DRECAS	"DRECAS"						$(check_test "CARDREADER_DRECAS") \
	2> ${tempfile}

	opt=${?}
	if [ $opt != 0 ]; then return; fi

	disable_all "$card_readers"
	enable_package
}


config_dialog() {
	height=30
	width=65
	listheight=16

	DIALOG=${DIALOG:-`which dialog`}
	if [ -z "${DIALOG}" ]; then
		echo "Please install dialog package." 1>&2
		exit 1
	fi

	configfile=config.h
	tempfile=$(mktemp -t oscam-config.dialog.XXXXXX) || exit 1
	tempfileconfig=$(mktemp -t oscam-config.h.XXXXXX) || exit 1
	trap 'rm -f $tempfile $tempfileconfig $tempfileconfig.bak 2>/dev/null' INT TERM EXIT
	cp -f $configfile $tempfileconfig

	while true; do
		${DIALOG} --menu "\nSelect category:\n " $height $width $listheight \
			Add-ons			"Add-ons" \
			Protocols		"Network protocols" \
			Readers			"Readers (CA systems)" \
			CardReaders		"Card reader drivers" \
			Save			"Save" \
			2> ${tempfile}

		opt=${?}
		if [ $opt != 0 ]; then clear; exit; fi

		menuitem=$(cat $tempfile)
		case $menuitem in
			Add-ons) menu_addons ;;
			Protocols) menu_protocols ;;
			Readers) menu_readers ;;
			CardReaders) menu_card_readers ;;
			Save)
				cp -f $tempfileconfig $configfile
				update_deps
				write_enabled
				print_components
				exit 0
			;;
		esac
		cp -f $tempfileconfig $configfile
	done
}

create_cert() {
	# define certificate details
	CERT_SUBJECT_DEFAULT="/CN=Private OSCam Self Signed Certificate"
	CERT_DAYS=365

	mkdir -p "$CERT_DIR"

	# define certificate type
	case "$1" in
		'rsa')
			CERT_TYPE="rsa"
			[ -z $2 ] && CERT_ALGO="4096" || CERT_ALGO="$2"
			PRIVATE_KEY_GEN="openssl genrsa -out "$CERT_DIR/$CERT_PRIVATE_KEY" ${CERT_ALGO}"
			;;
		'ecdsa'|*)
			CERT_TYPE="ec -pkeyopt ec_paramgen_curve"
			[ -z $2 ] && CERT_ALGO="prime256v1" || CERT_ALGO="$2"
			PRIVATE_KEY_GEN="openssl ecparam -name ${CERT_ALGO} -genkey -noout -out "$CERT_DIR/$CERT_PRIVATE_KEY""
			;;
	esac

	# custom subject
	if [ -z "$4" ]; then
		CERT_SUBJECT="$CERT_SUBJECT_DEFAULT"
	else
		for param in $*; do
			i=$(( i + 1 ))
			[ $i -ge 4 ] && CERT_SUBJECT="$CERT_SUBJECT$param "
		done
		CERT_SUBJECT="/CN=$(echo "$CERT_SUBJECT" | sed 's/[[:space:]]*$//' | sed 's/CN=//g')"
	fi

	if [ ! -f "$CERT_DIR/$CERT_PRIVATE_KEY" ] || [ ! -f "$CERT_DIR/$CERT_X509" ]; then
		# create X.509 V3 extensions file
		printf "authorityKeyIdentifier=keyid,issuer\nbasicConstraints=CA:FALSE\nkeyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment\n" > "$CERT_DIR/v3.ext"

		if [ "$3" != 'ca' ]; then
			# create self signed certificate and private key
			openssl req -nodes -x509 -utf8 -sha256 -newkey ${CERT_TYPE}:${CERT_ALGO} -addext "$(grep keyUsage "$CERT_DIR/v3.ext")" -keyout "$CERT_DIR/$CERT_PRIVATE_KEY" -out "$CERT_DIR/$CERT_X509" -days $CERT_DAYS -subj "${CERT_SUBJECT}"
		else
			if [ ! -f "$CERT_DIR/root-ca-$CERT_PRIVATE_KEY" ] || [ ! -f "$CERT_DIR/root-ca-$CERT_X509" ]; then
				# create Root CA, CA certificate and private key
				openssl req -nodes -x509 -utf8 -sha256 -newkey ${CERT_TYPE}:${CERT_ALGO} -extensions v3_ca -keyout "$CERT_DIR/root-ca-$CERT_PRIVATE_KEY" -out "$CERT_DIR/root-ca-$CERT_X509" -days $(($CERT_DAYS * 10)) -subj "$(echo "$CERT_SUBJECT" | sed "s/ Self Signed Certificate//g") Root CA"
			fi

			# create private key
			$($PRIVATE_KEY_GEN)

			# create csr
			openssl req -new -utf8 -sha256 -key "$CERT_DIR/$CERT_PRIVATE_KEY" -out "$CERT_DIR/$CERT_X509".csr -subj "$(echo "$CERT_SUBJECT" | sed "s/Self Signed Certificate/CA Certificate/g")"

			# issue new certificate by Root CA
			openssl x509 -req -nameopt utf8 -sha256 -in "$CERT_DIR/$CERT_X509".csr -extfile "$CERT_DIR/v3.ext" -CA "$CERT_DIR/root-ca-$CERT_X509" -CAkey "$CERT_DIR/root-ca-$CERT_PRIVATE_KEY" -CAcreateserial -out "$CERT_DIR/$CERT_X509" -days $CERT_DAYS

			# chain Root CA and CA certificate
			cat "$CERT_DIR/$CERT_X509" "$CERT_DIR/root-ca-$CERT_X509" > "$CERT_DIR/$CERT_X509.chained"
			mv "$CERT_DIR/$CERT_X509.chained" "$CERT_DIR/$CERT_X509"
		fi
		# cleanup
		rm -f "$CERT_DIR/$CERT_X509".csr "$CERT_DIR/v3.ext"
	else
		echo "Private Key and/or Certificates still exists in $(realpath "$(pwd)/$CERT_DIR")!" 1>&2
		return 1
	fi
}

add_cert() {
	if [ ! -f "$1" ] || [ ! -f "$2" ]; then
		echo "At least one of the provided files was not found!" 1>&2
		return 1
	else
		mkdir -p "$CERT_DIR"
		# Symlink certificate
		ln -sf "$1" "$CERT_DIR/$CERT_X509"
		# Symlink private key
		ln -sf "$2" "$CERT_DIR/$CERT_PRIVATE_KEY"
	fi
}

cert_file() {
	case "$1" in
		'cert')
			CHECK_FILE="$CERT_DIR/$CERT_X509"
			HINT="Certificate"
			;;
		'privkey')
			CHECK_FILE="$CERT_DIR/$CERT_PRIVATE_KEY"
			HINT="Private Key"
			;;
	esac

	if [ -f "$CHECK_FILE" ]; then
		echo "$(realpath "$CHECK_FILE")"
		return 0;
	else
		echo "$HINT file not found in $(realpath $(pwd)/$CERT_DIR)!" 1>&2
		return 1;
	fi
}

cert_info() {
	if [ -f "$CERT_DIR/$CERT_X509" ]; then
		DATE=$(hash gdate 2>/dev/null && printf 'gdate' || printf 'date')
		for attrib in 'Subject' 'Issuer' 'Not Before' 'Not After' 'Public Key Algorithm'\
					'Public-Key' 'ASN1 OID' 'NIST CURVE' 'Exponent' 'Signature Algorithm'; do
			if [ "$attrib" = 'Not Before' ]; then
				openssl x509 -in "$CERT_DIR/$CERT_X509" -noout -nameopt oneline,-esc_msb -startdate | awk -F '=' '{print $2}' | $DATE +"%d.%m.%Y %H:%M:%S" -f - | xargs -0 printf "$attrib: %s" 2>/dev/null
			elif [ "$attrib" = 'Not After' ]; then
				openssl x509 -in "$CERT_DIR/$CERT_X509" -noout -nameopt oneline,-esc_msb -enddate | awk -F '=' '{print $2}' | $DATE +"%d.%m.%Y %H:%M:%S" -f - | xargs -0 printf "$attrib: %s" 2>/dev/null
			else
				openssl x509 -in "$CERT_DIR/$CERT_X509" -text -noout -nameopt oneline,-esc_msb | grep -m1 "$attrib" | xargs -0 printf "%s" | awk '{$1=$1};1'
			fi
		done
		return 0
	else
		echo "$HINT file not found in $(realpath $(pwd)/$CERT_DIR)!" 1>&2
		return 1
	fi
}

# Change working directory to the directory where the script is
cd $(dirname $0)

if [ $# = 0 ]
then
	usage
	exit 1
fi

while [ $# -gt 0 ]
do
	case "$1" in
	'-g'|'--gui'|'--config'|'--menuconfig')
		config_dialog
		break
	;;
	'-s'|'--show-enabled'|'--show')
		shift
		list_enabled $(get_opts $1)
		# Take special care of USE_xxx flags
		if [ "$1" = "card_readers" ]
		then
			have_flag USE_LIBUSB && echo "CARDREADER_SMART"
			have_flag USE_PCSC && echo "CARDREADER_PCSC"
		fi
		break
		;;
	'-Z'|'--show-disabled')
		shift
		list_disabled $(get_opts $1)
		break
		;;
	'-S'|'--show-valid')
		shift
		for OPT in $(get_opts $1)
		do
			echo $OPT
		done
		break
		;;
	'-E'|'--enable')
		shift
		while [ "$1" != "" ]
		do
			case "$1" in
			-*)
				update_deps
				continue 2
				;;
			all|addons|protocols|readers|card_readers)
				enable_opts $(get_opts $1)
				;;
			*)
				enable_opt "$1"
				;;
			esac
			shift
		done
		update_deps
		write_enabled
		;;
	'-D'|'--disable')
		shift
		while [ "$1" != "" ]
		do
			case "$1" in
			-*)
				update_deps
				continue 2
				;;
			all|addons|protocols|readers|card_readers)
				disable_opts $(get_opts $1)
				;;
			*)
				disable_opt "$1"
				;;
			esac
			shift
		done
		update_deps
		write_enabled
		;;
	'-R'|'--restore')
		echo $defconfig | sed -e 's|# ||g' | xargs printf "%s\n" | grep "=y$" | sed -e 's|^CONFIG_||g;s|=.*||g' |
		while read OPT
		do
			enable_opt "$OPT"
		done
		echo $defconfig | sed -e 's|# ||g' | xargs printf "%s\n" | grep "=n$" | sed -e 's|^CONFIG_||g;s|=.*||g' |
		while read OPT
		do
			disable_opt "$OPT"
		done
		update_deps
		write_enabled
		;;
	'-e'|'--enabled')
		enabled $2 && echo "Y" && exit 0 || echo "N" && exit 1
		break
	;;
	'-d'|'--disabled')
		disabled $2 && echo "Y" && exit 0 || echo "N" && exit 1
		break
	;;
	'-cc'|'--create-cert')
		shift
		create_cert $@
		exit $?
		;;
	'-cl'|'--add-cert')
		shift
		add_cert $@
		exit $?
		;;
	'-cf'|'--cert-file')
		shift
		cert_file $1
		exit $?
		;;
	'-ci'|'--cert-info')
		cert_info
		exit $?
		;;
	'-sm'|'--sign-marker')
		obsm=`grep '^#define OBSM' oscam-signing.h | cut -d\" -f2`
		echo $obsm
		break
	;;
	'-um'|'--upx-marker')
		upxm=`grep '^#define UPXM' oscam-signing.h | cut -d\" -f2`
		echo $upxm
		break
	;;
	'-v'|'--oscam-version')
		version=`grep '^#define CS_VERSION' globals.h | cut -d\" -f2`
		echo $version
		break
	;;
	'-c'|'--oscam-commit')
		sha=`git log 2>/dev/null | sed -n 1p | cut -d ' ' -f2 | cut -c1-8`
		echo $sha
		break
	;;
	'-O'|'--detect-osx-sdk-version')
		shift
		OSX_VER=${1:-10.10}
		for DIR in /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX{$OSX_VER,10.10,10.9,10.8,10.7}.sdk /Developer/SDKs/MacOSX{$OSX_VER,10.6,10.5}.sdk

		do
			if test -d $DIR
			then
				echo $DIR
				exit 0
			fi
		done
		echo Cant_find_OSX_SDK
		break
	;;
	'-l'|'--list-config')
		list_config
		exit 0
	;;
	'-m'|'--make-config.mak')
		make_config_mak
		exit 0
	;;
	'--use-flags')
		shift
		USE_FLAGS=$1
	;;
	'--objdir')
		shift
		OBJDIR=$1
	;;
	'-h'|'--help')
		usage
		break
	;;
	*)
		echo "[WARN] Unknown parameter: $1" >&2
	;;
	esac
	# Some shells complain when there are no more parameters to shift
	test $# -gt 0 && shift
done

exit 0
