Annotation of /trunk/initscripts/sysvinit/sbin/rc-config

#!/bin/bash

RC_INIT_BASE=/etc/init.d
RC_EXCLUDE="rc functions template splash-functions"

VERSION=0.2

get_run_levels(){
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%rlevels:" ${SCRIPT} | sed -e 's/#%rlevels://g')

	echo ${ALL_LEVELS}

	return 0
}


get_needs() {
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%needs:" ${SCRIPT} | sed -e 's/#%needs://g')

	echo ${ALL_LEVELS}

	return 0
}

get_before() {
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%before:" ${SCRIPT} | sed -e 's/#%before://g')

	echo ${ALL_LEVELS}

	return 0
}

get_after() {
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%after:" ${SCRIPT} | sed -e 's/#%after://g')

	echo ${ALL_LEVELS}

	return 0
}

get_start() {
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%start:" ${SCRIPT} | sed -e 's/#%start://g')

	echo ${ALL_LEVELS}

	return 0
}

get_stop() {
	local SCRIPT
	local ALL_LEVELS

	SCRIPT=${RC_INIT_BASE}/$1
	ALL_LEVELS=$(grep -i "#%stop:" ${SCRIPT} | sed -e 's/#%stop://g')

	echo ${ALL_LEVELS}

	return 0
}


rc_service_add() {
	RC_SERVICE=$1
	RC_START=$(get_start ${RC_SERVICE})
	RC_STOP=$(get_stop ${RC_SERVICE})

	echo "Adding ${RC_SERVICE} to:"
	for i in $(get_run_levels ${RC_SERVICE})
	do
		case ${i} in
			# start
			?:s)
				[ "${i}" == "7:s" ] && i="sysinit:s"
				echo -e "\t\t[rc${i/:s/}.d -> S${RC_START}]"
				ln -snf ../init.d/${RC_SERVICE} \
					/etc/rc.d/rc${i/:s/}.d/S${RC_START}${RC_SERVICE}
				;;
			# stop
			?:k)
				[ "${i}" == "7:k" ] && i="sysinit:k"
				echo -e "\t\t[rc${i/:k/}.d -> K${RC_STOP}]"
				ln -snf ../init.d/${RC_SERVICE} \
					/etc/rc.d/rc${i/:k/}.d/K${RC_STOP}${RC_SERVICE}
				;;
			*)
				echo "error"
				exit 1
				;;
		esac
	done
}

rc_service_del(){
	RC_SERVICE=$1

	echo "Deleting ${RC_SERVICE} from all runlevels:"
	for i in 0 1 2 3 4 5 6 sysinit
	do
		for z in 00 01 02 03 04 05 06 07 08 09 $(seq 10 99)
		do
			if [ -L "/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}" ]
			then
				echo -e "\t\t[rc${i}.d <- S${z}]"
				rm /etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}
			fi
	
			if [ -L "/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}" ]
			then
				echo -e "\t\t[rc${i}.d <- K${z}]"
				rm /etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}
			fi
		done
	done
}

rc_service_show() {
	RC_SERVICE=$1

	local ALL_RUNLEVELS

	# read'em (single)
	for i in $(seq 0 7)
	do
		if [ ${i} -eq 7 ]
		then
			level=sysinit
		else
			level=${i}
		fi

		for script in /etc/rc.d/rc${level}.d/*
		do
			x="$(basename ${script})"
			if [ "${x/???/}" == "${RC_SERVICE}" ]
			then
				ALL_RUNLEVELS[${i}]=${x/${RC_SERVICE}/}
			fi
		done
	done

	#show them (single)
	echo -n "${RC_SERVICE}: "
	for i in $(seq 0 7)
	do
		if [ ! -z "${ALL_RUNLEVELS[${i}]}" ]
		then
			echo -n "[${i}:${ALL_RUNLEVELS[${i}]}] "
		fi
	done
	echo
}

check_not_excluded(){
	local SCRIPT
	SCRIPT=$1

	for i in ${RC_EXCLUDE}
	do
		if [ ${SCRIPT} == ${i} ]
		then
			return 1
		fi
	done

	return 0
}


chg_initdefault() {
	local newinitdef
	declare -i newinitdef="$1"

	if [ -z "$newinitdef" ]
	then
		echo "You must give an initlevel."
		exit 1
	fi

	if [ $newinitdef -le 0 -a $newinitdef -ge 6 ]
	then
		echo "You can only choose initlevels between 1-5."
		exit 1
	fi

	current=$(cat /etc/inittab|grep initdefault)

	cp /etc/inittab /etc/inittab-orig
	sed -e "s/${current}/id:${newinitdef}:initdefault:/g"   \
		/etc/inittab-orig > /etc/inittab
	if [ "$?" == "0" ]
	then
		rm -f /etc/inittab-orig
		echo "Changed default initlevel to ${newinitdef} successfully."
		exit 0
	else
		echo "Error: original inittab was saved to /etc/inittab-orig"
		exit 1
	fi
}

usage() {
	echo "Magellan RC Configurator v${VERSION} -- Niels Rogalla (niro@magellan-linux.de)"
	echo -e "\nUsage: $(basename $0) [Option] [File] ..."
	echo -e "     add         adds script to runlevel"
	echo -e "     del         deletes script from runlevel"
	echo -e "     show        shows current runlevel settings"
	echo -e "     default x   changes default runlevel to x"
	echo -e "\n"
}

case $1 in
	add)
		rc_service_add $2
		;;
	del)
		rc_service_del $2
		;;
	show)
		# show all
		if [ -z "$2" ]
		then
			echo "Currently configured Services:"
			for i in ${RC_INIT_BASE}/*
			do
				x=$(basename ${i})
				if check_not_excluded ${x}
				then
					rc_service_show ${x}
				fi
			done
		else
			echo "Currently configured Services:"
			rc_service_show $2
		fi
		;;
	default)
		chg_initdefault $2
		;;
	*)
		usage
		;;
esac
1	niro	2	#!/bin/bash
2
3			RC_INIT_BASE=/etc/init.d
4			RC_EXCLUDE="rc functions template splash-functions"
5
6			VERSION=0.2
7
8			get_run_levels(){
9			local SCRIPT
10			local ALL_LEVELS
11	niro	104
12	niro	2	SCRIPT=${RC_INIT_BASE}/$1
13			ALL_LEVELS=$(grep -i "#%rlevels:" ${SCRIPT} \| sed -e 's/#%rlevels://g')
14	niro	104
15	niro	2	echo ${ALL_LEVELS}
16	niro	104
17	niro	2	return 0
18			}
19
20
21			get_needs() {
22			local SCRIPT
23			local ALL_LEVELS
24	niro	104
25	niro	2	SCRIPT=${RC_INIT_BASE}/$1
26			ALL_LEVELS=$(grep -i "#%needs:" ${SCRIPT} \| sed -e 's/#%needs://g')
27	niro	104
28	niro	2	echo ${ALL_LEVELS}
29	niro	104
30	niro	2	return 0
31			}
32
33			get_before() {
34			local SCRIPT
35			local ALL_LEVELS
36	niro	104
37	niro	2	SCRIPT=${RC_INIT_BASE}/$1
38			ALL_LEVELS=$(grep -i "#%before:" ${SCRIPT} \| sed -e 's/#%before://g')
39	niro	104
40	niro	2	echo ${ALL_LEVELS}
41	niro	104
42	niro	2	return 0
43			}
44
45			get_after() {
46			local SCRIPT
47			local ALL_LEVELS
48	niro	104
49	niro	2	SCRIPT=${RC_INIT_BASE}/$1
50			ALL_LEVELS=$(grep -i "#%after:" ${SCRIPT} \| sed -e 's/#%after://g')
51	niro	104
52	niro	2	echo ${ALL_LEVELS}
53	niro	104
54	niro	2	return 0
55			}
56
57			get_start() {
58			local SCRIPT
59			local ALL_LEVELS
60	niro	104
61	niro	2	SCRIPT=${RC_INIT_BASE}/$1
62			ALL_LEVELS=$(grep -i "#%start:" ${SCRIPT} \| sed -e 's/#%start://g')
63	niro	104
64	niro	2	echo ${ALL_LEVELS}
65	niro	104
66	niro	2	return 0
67			}
68
69			get_stop() {
70			local SCRIPT
71			local ALL_LEVELS
72	niro	104
73	niro	2	SCRIPT=${RC_INIT_BASE}/$1
74			ALL_LEVELS=$(grep -i "#%stop:" ${SCRIPT} \| sed -e 's/#%stop://g')
75	niro	104
76	niro	2	echo ${ALL_LEVELS}
77	niro	104
78	niro	2	return 0
79			}
80
81
82
83			rc_service_add() {
84			RC_SERVICE=$1
85			RC_START=$(get_start ${RC_SERVICE})
86			RC_STOP=$(get_stop ${RC_SERVICE})
87
88			echo "Adding ${RC_SERVICE} to:"
89			for i in $(get_run_levels ${RC_SERVICE})
90			do
91			case ${i} in
92	niro	104	# start
93	niro	2	?:s)
94			[ "${i}" == "7:s" ] && i="sysinit:s"
95			echo -e "\t\t[rc${i/:s/}.d -> S${RC_START}]"
96			ln -snf ../init.d/${RC_SERVICE} \
97			/etc/rc.d/rc${i/:s/}.d/S${RC_START}${RC_SERVICE}
98			;;
99	niro	104	# stop
100	niro	2	?:k)
101			[ "${i}" == "7:k" ] && i="sysinit:k"
102			echo -e "\t\t[rc${i/:k/}.d -> K${RC_STOP}]"
103			ln -snf ../init.d/${RC_SERVICE} \
104			/etc/rc.d/rc${i/:k/}.d/K${RC_STOP}${RC_SERVICE}
105			;;
106			*)
107			echo "error"
108			exit 1
109			;;
110			esac
111			done
112			}
113
114			rc_service_del(){
115			RC_SERVICE=$1
116	niro	104
117	niro	2	echo "Deleting ${RC_SERVICE} from all runlevels:"
118			for i in 0 1 2 3 4 5 6 sysinit
119			do
120			for z in 00 01 02 03 04 05 06 07 08 09 $(seq 10 99)
121			do
122			if [ -L "/etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}" ]
123			then
124			echo -e "\t\t[rc${i}.d <- S${z}]"
125			rm /etc/rc.d/rc${i}.d/S${z}${RC_SERVICE}
126			fi
127	niro	104
128	niro	2	if [ -L "/etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}" ]
129			then
130			echo -e "\t\t[rc${i}.d <- K${z}]"
131			rm /etc/rc.d/rc${i}.d/K${z}${RC_SERVICE}
132			fi
133			done
134			done
135			}
136
137	niro	104	rc_service_show() {
138	niro	2	RC_SERVICE=$1
139	niro	104
140	niro	2	local ALL_RUNLEVELS
141
142	niro	104	# read'em (single)
143	niro	2	for i in $(seq 0 7)
144			do
145			if [ ${i} -eq 7 ]
146			then
147			level=sysinit
148			else
149			level=${i}
150			fi
151
152			for script in /etc/rc.d/rc${level}.d/*
153			do
154			x="$(basename ${script})"
155			if [ "${x/???/}" == "${RC_SERVICE}" ]
156			then
157			ALL_RUNLEVELS[${i}]=${x/${RC_SERVICE}/}
158			fi
159			done
160			done
161	niro	104
162	niro	2	#show them (single)
163			echo -n "${RC_SERVICE}: "
164			for i in $(seq 0 7)
165			do
166			if [ ! -z "${ALL_RUNLEVELS[${i}]}" ]
167			then
168			echo -n "[${i}:${ALL_RUNLEVELS[${i}]}] "
169			fi
170			done
171			echo
172			}
173
174			check_not_excluded(){
175			local SCRIPT
176			SCRIPT=$1
177	niro	104
178	niro	2	for i in ${RC_EXCLUDE}
179			do
180			if [ ${SCRIPT} == ${i} ]
181			then
182			return 1
183			fi
184			done
185	niro	104
186	niro	2	return 0
187			}
188
189
190			chg_initdefault() {
191			local newinitdef
192			declare -i newinitdef="$1"
193
194			if [ -z "$newinitdef" ]
195			then
196			echo "You must give an initlevel."
197			exit 1
198			fi
199
200			if [ $newinitdef -le 0 -a $newinitdef -ge 6 ]
201			then
202			echo "You can only choose initlevels between 1-5."
203			exit 1
204			fi
205
206			current=$(cat /etc/inittab\|grep initdefault)
207
208			cp /etc/inittab /etc/inittab-orig
209			sed -e "s/${current}/id:${newinitdef}:initdefault:/g" \
210			/etc/inittab-orig > /etc/inittab
211			if [ "$?" == "0" ]
212			then
213			rm -f /etc/inittab-orig
214			echo "Changed default initlevel to ${newinitdef} successfully."
215			exit 0
216			else
217			echo "Error: original inittab was saved to /etc/inittab-orig"
218			exit 1
219			fi
220			}
221
222			usage() {
223			echo "Magellan RC Configurator v${VERSION} -- Niels Rogalla (niro@magellan-linux.de)"
224			echo -e "\nUsage: $(basename $0) [Option] [File] ..."
225			echo -e " add adds script to runlevel"
226			echo -e " del deletes script from runlevel"
227			echo -e " show shows current runlevel settings"
228			echo -e " default x changes default runlevel to x"
229			echo -e "\n"
230			}
231
232			case $1 in
233			add)
234			rc_service_add $2
235			;;
236			del)
237			rc_service_del $2
238			;;
239			show)
240	niro	104	# show all
241	niro	2	if [ -z "$2" ]
242			then
243			echo "Currently configured Services:"
244			for i in ${RC_INIT_BASE}/*
245			do
246			x=$(basename ${i})
247			if check_not_excluded ${x}
248			then
249			rc_service_show ${x}
250			fi
251			done
252			else
253			echo "Currently configured Services:"
254			rc_service_show $2
255			fi
256			;;
257			default)
258			chg_initdefault $2
259			;;
260			*)
261			usage
262			;;
263			esac