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oglivecli @ 5d05b06

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Last change on this file since 5d05b06 was 15d8a19, checked in by Irina Gómez <irinagomez@…>, 4 years ago

#997: Fix oglivecli.

The script was not detecting the Initrd compression program,
could not get the samba password and needed to ask for it.

Property mode set to 100755

File size: 20.5 KB

Rev	Line
[b495a61]	1	#!/bin/bash
	2
	3	#/**
	4	#@file oglivecli
	5	#@brief Command line tool to manage ogLive clients.
[240a4dc]	6	#@usage oglivecli Command [Options ...]
[1952845]	7	#@param Command:
	8	#@param help show this help
	9	#@param version show script version
	10	#@param config [Parameter] show configuration parameters
	11	#@param check check system consistency
	12	#@param convert convert old ogclient to new default ogLive client
	13	#@param list list installed ogLive clients
	14	#@param show all show JSON information about all installed ogLive clients
	15	#@param show default show JSON information about ogLive client marked as default
	16	#@param show Index\|Dir show JSON information about an installed ogLive client
	17	#@param search Index\|Dir show corresponding index or directory
	18	#@param download show a menu to download an ogLive ISO image from the OpenGnsys website
	19	#@param download Iso download an specific ogLive ISO image from the OpenGnsys website
	20	#@param install Iso install a new ogLive client from a downloaded ISO image
	21	#@param uninstall Iso remove ISO image and uninstall its ogLive client
	22	#@param uninstall Index\|Dir uninstall an ogLive client
	23	#@param get-default get index value for default ogLive client
	24	#@param set-default Index set default ogLive client
	25	#@param rebuild rebuild a lost configuration file
	26	#@param assign Iso Index assign an ISO file to a JSON entry
	27	#@param Options:
	28	#@param Index a number, starting by 0
	29	#@param Dir directory (relative to installation directory)
	30	#@param Iso ISO file name (relative to download URL or download directory)
[240a4dc]	31	#@warning This script needs "jq" command.
[b495a61]	32	#@version 1.1.0 - Initial version.
	33	#@author Ramón M. Gómez - ETSII Univ. Sevilla
	34	#@date 2016-12-05
[54d7ca27]	35	#@version 1.1.1b - Use reduced directory names.
[240a4dc]	36	#@author Ramón M. Gómez - ETSII Univ. Sevilla
	37	#@date 2020-01-17
[b495a61]	38	#*/ ##
	39
	40
[a30baf2]	41	# Global constants definition.
[72d19da]	42	PROG=$(basename "$(realpath "$0")") # Program name.
	43	OPENGNSYS=/opt/opengnsys # OpenGnsys main directory.
	44	DOWNLOADDIR=$OPENGNSYS/lib # Directory to store ogLive images.
	45	DOWNLOADURL="https://opengnsys.es/trac/downloads" # Download URL.
	46	TFTPDIR=$OPENGNSYS/tftpboot # TFTP directory.
	47	DEFOGLIVE="ogLive" # Default ogLive directory.
	48	MINREL=20190601 # Mininum ogLive compatibility release.
	49	INFOFILE=$OPENGNSYS/etc/ogliveinfo.json # Configuration file.
[a30baf2]	50
	51
[240a4dc]	52	# Global and secondary functions.
[b495a61]	53
[240a4dc]	54	source $OPENGNSYS/lib/ogfunctions.sh \|\| exit 1
[3554392]	55
[b495a61]	56	# Create/edit JSON file about installed ogLive clients.
	57	function addToJson() {
[3dd397f]	58	local i DATA OGLIVEDIST="$1" OGLIVEKRNL="$2" OGLIVEARCH="$3" OGLIVEREV="$4"
[d1776403]	59	local OGLIVEDIR=$(basename $5 2>/dev/null) OGLIVEISO=$(basename $6 2>/dev/null)
[b495a61]	60	# JSON data for installed ogLive.
[3554392]	61	DATA=$(cat << EOT \| jq .
[d244d7f]	62	{"distribution":"$OGLIVEDIST","kernel":"$OGLIVEKRNL","architecture":"$OGLIVEARCH","revision":"$OGLIVEREV","directory":"$OGLIVEDIR","iso":"$OGLIVEISO"}
[b495a61]	63	EOT
	64	)
	65	# Check JSON file consistency.
[d063c01]	66	if [ "$(jq -c keys $INFOFILE 2>/dev/null)" == '["default","oglive"]' ]; then
[b495a61]	67	# Check if ogLive is defined into JSON file.
[3554392]	68	n=$(jq ".oglive \| length" $INFOFILE)
[b495a61]	69	for ((i=0; i<n; i++)); do
[d244d7f]	70	[ "$(jq ".check=$DATA \| .check==.oglive[$i]" $INFOFILE)" == "true" ] && INDEX=$i
[b495a61]	71	done
	72	# Check if it needs to insert data.
	73	if [ -z "$INDEX" ]; then
	74	INDEX=$n
[3554392]	75	jq ".oglive \|= (. + [$DATA])" $INFOFILE \| sponge $INFOFILE
[b495a61]	76	fi
[4be0673]	77	# Show JSON entry.
[3554392]	78	jq ".oglive[$INDEX]" $INFOFILE
[b495a61]	79	else
	80	# Create new JSON file.
[3554392]	81	cat << EOT \| jq . \| tee $INFOFILE
[b495a61]	82	{"oglive":[$DATA],"default":0}
	83	EOT
	84	fi
	85	}
	86
	87	# Command functions.
	88
	89	# Convert default ogclient to a new ogLive format.
	90	function convert() {
	91	local OGCLIENT=ogclient OLDINFOFILE=$OPENGNSYS/doc/veroglive.txt
	92	local OGLIVEKRNL OGLIVEDIR OGLIVEISO
	93	[ $# -ne 0 ] && raiseError usage
	94	[ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration file."
[3554392]	95	[ -n "$(stat -c "%N" $TFTPDIR/ogclient \| awk '$3~/'$DEFOGLIVE'/ {print}')" ] && raiseError access "ogLive is already converted."
[b495a61]	96	pushd $TFTPDIR >/dev/null \|\| raiseError access "Installation directory."
[1952845]	97	[ ! -f $OGCLIENT/ogvmlinuz ] && raiseError notfound "\"ogclient\"."
[b495a61]	98	# Add entry to JSON file using ogclient kernel version.
	99	OGLIVEKRNL=$(file -bkr $OGCLIENT/ogvmlinuz \| awk '/Linux/ {for(i=1;i<=NF;i++) if($i~/version/) {v=$(i+1);sub(/-.*/,"",v);print v}}')
	100	OGLIVEDIR=$DEFOGLIVE-$OGLIVEKRNL
[b17e87e]	101	[ -r $OLDINFOFILE ] && OGLIVEISO="$(head -1 $OLDINFOFILE)"
	102	addToJson "$(echo $OGLIVEISO\|cut -f2 -d-)" "$OGLIVEKRNL" "i386" "${OGLIVEISO##*-}" "$OGLIVEDIR" "$OGLIVEISO.iso"
[b495a61]	103	# Rename directory, link to default and clean old files.
	104	mv -v $OGCLIENT $OGLIVEDIR
	105	ln -vfs $OGLIVEDIR $DEFOGLIVE
[d1776403]	106	rm -f $OGCLIENT
[b495a61]	107	ln -vfs $DEFOGLIVE $OGCLIENT
	108	mv -v $OGCLIENT.old $OGLIVEDIR.old 2>/dev/null
	109	rm -fv {ogvmlinuz,oginitrd.img}{,.sum} $OLDINFOFILE
	110	popd >/dev/null
[d55c26d]	111	# Delete old config file.
	112	rm -f $OLDINFOFILE
[b495a61]	113	}
	114
	115	# Show script configuration parameters.
	116	function config() {
[1952845]	117	local DATA
	118	DATA=$(cat << EOT
	119	[
	120	{ "param": "config-file", "description": "Configuration file", "value": "$INFOFILE" },
	121	{ "param": "download-url", "description": "ogLive download URL", "value": "$DOWNLOADURL" },
	122	{ "param": "download-dir", "description": "ogLive download directory", "value": "$DOWNLOADDIR" },
	123	{ "param": "install-dir", "description": "ogLive installation directory", "value": "$TFTPDIR" },
	124	{ "param": "default-name", "description": "Default ogLive name", "value": "$DEFOGLIVE" },
	125	{ "param": "min-release", "description": "Mainimum compatibility release", "value": "r$MINREL" }
	126	]"
	127	EOT
	128	)
[b495a61]	129	case $# in
	130	0) # Show all parameters.
[1952845]	131	echo $DATA \| jq -r '.[] \| .description + " (" + .param+ ")," + .value' \| column -ts,
[b495a61]	132	;;
	133	1) # Show specified parameter.
[1952845]	134	DATA=$(echo $DATA \| jq -r ".[] \| select(.param==\"$1\").value")
	135	[ "$DATA" ] \|\| raiseError notfound "\"$1\"."
	136	echo "$DATA"
[b495a61]	137	;;
[3dd397f]	138	*) # Usage error.
[b495a61]	139	raiseError usage
	140	;;
	141	esac
	142	}
	143
	144	# Check consistency, showing configuration problems.
	145	function check() {
	146	local ERR=0 AUX INST DEF
	147	[ $# -ne 0 ] && raiseError usage
	148	# Check for old system that needs conversion.
	149	if [ -z "$(stat -c "%N" $TFTPDIR/ogclient \| awk '$3~/'$DEFOGLIVE'/ {print}')" ]; then
	150	echo "This server uses old ogclient, please run \"$PROG convert\" to update."
	151	let ERR++
[82ed0eb]	152	[ ! -f $INFOFILE ] && return $ERR
[b495a61]	153	fi
	154	# Check for other problems.
[d1776403]	155	[ ! -f $INFOFILE ] && echo "Configuration file does not exists: $INFOFILE" && let ERR++
	156	[ -f $INFOFILE -a "$(jq -c keys $INFOFILE 2>/dev/null)" != "[\"default\",\"oglive\"]" ] && echo "Format error in configuration file: $INFOFILE" && let ERR++
[b495a61]	157	[ ! -e $TFTPDIR ] && echo "TFTP directory does not exist: $TFTPDIR." && let ERR++
[f60723c]	158	# Check for installed ogLive clients.
[b495a61]	159	INST=( $(find $TFTPDIR/ -type d -name "$DEFOGLIVE-" -a ! -name ".old" -printf "%f\n" \| sort) )
	160	[[ ${#INST[@]} -eq 0 ]] && echo "No ogLive clients are installed." && let ERR++
[3554392]	161	DEF=( $(jq -r .oglive[].directory $INFOFILE 2>/dev/null \| sort) )
[b495a61]	162	# Compare installed and defined ogLive clients.
	163	AUX=$(comm -23 <(printf "%s\n" ${INST[]}) <(printf "%s\n" ${DEF[]}))
	164	[ -n "$AUX" ] && echo "Some ogLive are installed but not defined: ${AUX//$'\n'/, }" && let ERR++
	165	AUX=$(comm -13 <(printf "%s\n" ${INST[]}) <(printf "%s\n" ${DEF[]}))
	166	[ -n "$AUX" ] && echo "Some ogLive are defined but not installed: ${AUX//$'\n'/, }" && let ERR++
	167	# Compare downloaded and defined ISO images.
	168	INST=( $(find $DOWNLOADDIR/ -type f -name "$DEFOGLIVE-*.iso" -printf "%f\n" \| sort) )
[3554392]	169	DEF=( $(jq -r .oglive[].iso $INFOFILE 2>/dev/null \| sort) )
[b495a61]	170	AUX=$(comm -23 <(printf "%s\n" ${INST[]}) <(printf "%s\n" ${DEF[]}))
[3554392]	171	[ -n "$AUX" ] && echo "Some ISOs are downloaded but not defined: ${AUX//$'\n'/, }" && let ERR++
[b495a61]	172	AUX=$(comm -13 <(printf "%s\n" ${INST[]}) <(printf "%s\n" ${DEF[]}))
[3554392]	173	[ -n "$AUX" ] && echo "Some ISOs are defined but not downloaded: ${AUX//$'\n'/, }" && let ERR++
[f60723c]	174	# Check for new ISO files downloaded after installation.
	175	AUX=$(jq -r '.oglive[] as $og \| $og.iso + ":" + $og.directory' $INFOFILE 2>/dev/null \| \
	176	while IFS=":" read -r DEF INST; do
	177	[ $DOWNLOADDIR/$DEF -nt $TFTPDIR/$INST ] && echo "$DEF"
	178	done)
	179	[ -n "$AUX" ] && echo "Some ISOs are downloaded after installation: ${AUX//$'\n'/, }" && let ERR++
[0b856b4d]	180	AUX=$(jq -r '.oglive[] as $og \| if ($og.revision[1:9] \| tonumber) < '$MINREL' then $og.directory else "" end' $INFOFILE 2>/dev/null)
[72d19da]	181	[ -n "$AUX" ] && echo "Some installed ogLive aren't fully compatible: ${AUX//$'\n'/, }" && let ERR++
[bd4a17f]	182	DEF=$(jq -r ".oglive[$(getdefault)].directory" $INFOFILE 2>/dev/null)
	183	INST=$(stat -c "%N" $TFTPDIR/$DEFOGLIVE \| cut -f4 -d\')
	184	[ "$DEF" != "$INST" ] && echo "Default ogLive is not linked to right directory: $DEF <> $INST" && let ERR++
[b495a61]	185	# Print result.
	186	[ $ERR -eq 0 ] && echo "OK!" \|\| echo "Problems detected: $ERR"
	187	return $ERR
	188	}
	189
	190	# List installed ogLive clients.
	191	function list() {
	192	[ $# -ne 0 ] && raiseError usage
	193	[ ! -r $INFOFILE ] && raiseError access "Configuration file."
	194	# List all defined indexes, directories and check if missing.
[3554392]	195	jq -r .oglive[].directory $INFOFILE \| nl -v 0 \| \
[d244d7f]	196	awk '{system("echo -n "$0"; test -d '$TFTPDIR'/"$2" \|\| echo -n \" (missing)\"; echo")}' \| column -t
[b495a61]	197	}
	198
[3dd397f]	199	# Show information about an installed ogLive client.
[b495a61]	200	function show() {
	201	local INDEX
	202	[ $# -ne 1 ] && raiseError usage
	203	[ ! -r $INFOFILE ] && raiseError access "Configuration file."
	204	# Show JSON entries.
	205	case "$1" in
	206	default) # Default index.
[3554392]	207	INDEX="[$(jq -r .default $INFOFILE)]" ;;
[b495a61]	208	all) # All intries.
	209	;;
	210	[0-9]*) # Index.
[3554392]	211	INDEX="[$1]" ;;
[b495a61]	212	*) # Directory.
[3554392]	213	INDEX="[$(search "$1" 2>/dev/null)]" \|\| raiseError notfound "Directory \"$1\"."
[b495a61]	214	;;
	215	esac
[3554392]	216	jq ".oglive$INDEX" $INFOFILE \|\| raiseError notfound "Index \"$1\"."
[b495a61]	217	}
	218
	219	# Show index or directory corresponding to searching parameter.
	220	function search() {
	221	[ $# -ne 1 ] && raiseError usage
	222	[ ! -r $INFOFILE ] && raiseError access "Configuration file."
	223	# Show corresponding index or directory.
[1952845]	224	list \| awk -v d="$1" '{if ($2==d) print $1; if ($1==d) print $2}' \| grep . \|\| raiseError notfound "Index/Directory \"$1\"."
[b495a61]	225	}
	226
	227	# Show a menu to select and download an ogLive ISO image from the OpenGnsys website.
	228	function download() {
[1952845]	229	local OGLIVE NISOS i HTTPCODE TARGETFILE
[72d19da]	230	local ISOREL
[b495a61]	231	[ $# -gt 1 ] && raiseError usage
[1952845]	232	[ ! -d $DOWNLOADDIR ] && raiseError notfound "Download directory."
	233	[ ! -w $DOWNLOADDIR ] && raiseError access "Download directory."
[b495a61]	234	# Check parameter.
	235	if [ -n "$1" ]; then
	236	# ogLive to download.
	237	OGLIVEFILE="$1"
	238	else
	239	# Show download menu.
[a30baf2]	240	OGLIVE=( $(curl --silent $DOWNLOADURL \| grep "$DEFOGLIVE.*iso") )
[b495a61]	241	NISOS=${#OGLIVE[@]}
[d063c01]	242	echo "Available downloads (+ = installed, * = full compatibility):"
[b495a61]	243	for i in $(seq 1 $NISOS); do
[d063c01]	244	[ -e $DOWNLOADDIR/${OGLIVE[i-1]} ] && OGLIVE[i-1]="(+) ${OGLIVE[i-1]}"
[9c2b75c]	245	ISOREL=${OGLIVE[i-1]##-r}; ISOREL=${ISOREL%%.}
[d063c01]	246	[ $ISOREL -ge $MINREL ] && OGLIVE[i-1]="(*) ${OGLIVE[i-1]}"
[b495a61]	247	done
[d063c01]	248	select opt in "${OGLIVE[@]}"; do
[2411498]	249	[ -n "$opt" ] && OGLIVEFILE=${opt##* } && break
[b495a61]	250	done
	251	fi
	252	# Get download size.
[1952845]	253	HTTPCODE=$(curl --head --silent $DOWNLOADURL/$OGLIVEFILE \| awk '/HTTP\// {print $2}')
	254	[ "$HTTPCODE" != "200" ] && raiseError download "\"$OGLIVEFILE\"."
[b495a61]	255	# Download ogLive.
	256	TARGETFILE=$DOWNLOADDIR/$OGLIVEFILE
[1952845]	257	curl $DOWNLOADURL/$OGLIVEFILE -o $TARGETFILE \|\| raiseError download "\"$OGLIVEFILE\"."
[b495a61]	258	}
	259
	260	# Install an ogLive client from a previously downloaded ISO image.
	261	function install() {
[715ff08]	262	local OGLIVEFILE OGLIVEDIST OGLIVEREV OGLIVEKRNL OGLIVEDIR OGINITRD OGSQFS OGCLIENT=ogclient
[0e3e167]	263	local COMPRESS SAMBAPASS TMPDIR RSYNCSERV RSYNCCLNT
[b495a61]	264	[ $# -ne 1 ] && raiseError usage
[d43640a]	265	OGLIVEFILE=$(realpath $DOWNLOADDIR/$1)
	266	# Only 1 file in pathname expansion.
	267	[ $(echo $OGLIVEFILE \| wc -w) -gt 1 ] && raiseError usage
[b495a61]	268	[ ! -f $OGLIVEFILE ] && raiseError notfound "Downloaded file: \"$1\"."
	269	[ ! -r $OGLIVEFILE ] && raiseError access "Downloaded file: \"$1\"."
	270	[ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration directory."
	271	[ ! -w $TFTPDIR ] && raiseError access "Installation directory."
	272	[ -z "$(file -b $OGLIVEFILE \| grep "ISO.*ogClient")" ] && raiseError access "File is not an ogLive ISO image."
[54d7ca27]	273	# Working directory:
	274	# 64-bit: ogLive-KernelVersion-rCodeRelease
	275	# 32-bit: ogLive-KernelVersion-i386-rCodeRelease
[b495a61]	276	OGLIVEDIST="$(echo $OGLIVEFILE\|cut -f2 -d-)"
[54d7ca27]	277	OGLIVEREV="${OGLIVEFILE##-}"; OGLIVEREV="${OGLIVEREV%%.}"
[b495a61]	278	OGLIVEKRNL="$(echo $OGLIVEFILE\|cut -f3- -d-)"; OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEREV.*}"
[d244d7f]	279	OGLIVEARCH="$(echo $OGLIVEFILE\|awk -F- '{print $(NF-1)}')"
	280	case "$OGLIVEARCH" in
[a30baf2]	281	i386\|amd64) # Get architecture.
[d244d7f]	282	OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEARCH}" ;;
[a30baf2]	283	*) # 32-bit by default.
[d244d7f]	284	OGLIVEARCH="i386" ;;
	285	esac
[54d7ca27]	286	OGLIVEDIR="$TFTPDIR/$DEFOGLIVE-${OGLIVEKRNL%%-*}-$OGLIVEARCH-$OGLIVEREV"
	287	OGLIVEDIR="${OGLIVEDIR/amd64-/}"
[b495a61]	288	# Get current or default Samba key.
	289	OGINITRD=$OGLIVEDIR/oginitrd.img
	290	[ ! -r $OGINITRD ] && OGINITRD=$TFTPDIR/$DEFOGLIVE/oginitrd.img
	291	if [ -r $OGINITRD ]; then
[15d8a19]	292	COMPRESS=$(file -b "$OGINITRD" \| awk '{print tolower($1);}')
[0e3e167]	293	SAMBAPASS=$($COMPRESS -dc $OGINITRD \| \
	294	cpio -i --to-stdout scripts/ogfunctions 2>&1 \| \
	295	sed -n '/^[ ].OPTIONS=/s/.pass=$\w$./\1/p')
[b495a61]	296	fi
	297	# Make ogLive backup.
	298	rm -fr ${OGLIVEDIR}.old
	299	mv -fv $OGLIVEDIR ${OGLIVEDIR}.old 2>/dev/null
[4be0673]	300	# Mount ogLive ISO image, update its files and unmount it.
[b495a61]	301	TMPDIR=/tmp/${OGLIVEFILE%.iso}
	302	mkdir -p $OGLIVEDIR $TMPDIR
	303	trap "umount $TMPDIR; rm -fr $TMPDIR" 1 2 3 6 9 15
	304	mount -o loop,ro $OGLIVEFILE $TMPDIR
[82ed0eb]	305	cp -va $TMPDIR/ogclient/* $OGLIVEDIR \|\| raiseError access "Cannot copy files to ogLive directory."
[b495a61]	306	umount $TMPDIR
[4be0673]	307	# Link to default directory if it's the first ogLive.
	308	if [ ! -f $INFOFILE ]; then
	309	rm -f $TFTPDIR/$DEFOGLIVE $TFTPDIR/$OGCLIENT
	310	ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
	311	ln -vfs $DEFOGLIVE $TFTPDIR/$OGCLIENT
	312	fi
[b495a61]	313	# Recover or ask for a new Samba access key.
	314	if [ -n "$SAMBAPASS" ]; then
[a30baf2]	315	echo -ne "$SAMBAPASS\n$SAMBAPASS\n" \| $OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
[b495a61]	316	else
[a30baf2]	317	$OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
[b495a61]	318	fi
	319	# Set permissions.
	320	find -L $OGLIVEDIR -type d -exec chmod 755 {} \;
	321	find -L $OGLIVEDIR -type f -exec chmod 644 {} \;
	322	chown -R :opengnsys $OGLIVEDIR
	323	# Mount SquashFS and check Rsync version.
	324	OGSQFS=$OGLIVEDIR/ogclient.sqfs
	325	mount -o loop,ro $OGSQFS $TMPDIR
	326	# If Rsync server version > client version, link to compiled file.
	327	RSYNCSERV=$(rsync --version 2>/dev/null \| awk '/protocol/ {print $6}')
	328	RSYNCCLNT=$(chroot $TMPDIR /usr/bin/rsync --version 2>/dev/null \| awk '/protocol/ {print $6}')
	329	if [ -z "$RSYNCSERV" -o ${RSYNCSERV:-0} -gt ${RSYNCCLNT:-1} ]; then
	330	[ -e $OPENGNSYS/client/bin/rsync-$RSYNCSERV ] && mv -f $OPENGNSYS/client/bin/rsync-$RSYNCSERV $OPENGNSYS/client/bin/rsync
	331	else
[3dd397f]	332	# Else, rename compiled file using Rsync protocol number.
[b495a61]	333	[ -e $OPENGNSYS/client/bin/rsync ] && mv -f $OPENGNSYS/client/bin/rsync $OPENGNSYS/client/bin/rsync-$($OPENGNSYS/client/bin/rsync --version 2>/dev/null \| awk '/protocol/ {print $6}')
	334	fi
	335	# Unmount SquashFS.
	336	umount $TMPDIR
	337	rmdir $TMPDIR
	338	# Update JSON file.
[d244d7f]	339	addToJson "$OGLIVEDIST" "$OGLIVEKRNL" "$OGLIVEARCH" "$OGLIVEREV" "$OGLIVEDIR" "$OGLIVEFILE"
[b495a61]	340	}
	341
	342	# Uninstall an ogLive client.
	343	function uninstall() {
	344	local ISO DIR INDEX DEFINDEX
	345	[ $# -ne 1 ] && raiseError usage
	346	[ ! -r $INFOFILE ] && raiseError access "Configuration file."
	347	[ ! -w $TFTPDIR ] && raiseError access "Installation directory."
	348	# Get index and directory for the entry.
	349	case "$1" in
	350	/) # Error (access to other directory).
	351	raiseError access "Cannot access outside installation directory."
	352	;;
[d063c01]	353	*.iso) # ISO file.
[b495a61]	354	ISO="$1"
	355	# Working directory (ogLive-Distribution-KernelVersion-CodeRevision).
	356	DIR="$(echo $ISO\|cut -f1,3 -d-)-${ISO##-}"; DIR=${DIR%.}
	357	INDEX=$(search $DIR 2>/dev/null)
	358	;;
	359	[0-9]*) # Index.
	360	INDEX=$1; DIR=$(search $INDEX 2>/dev/null)
	361	;;
	362	*) # Directory.
	363	DIR="$1"; INDEX=$(search $DIR 2>/dev/null)
	364	;;
	365	esac
	366	DEFINDEX=$(getdefault)
	367	[[ $INDEX = $DEFINDEX ]] && raiseError access "Cannot uninstall default ogLive."
	368	# Remove files and delete index entry.
[a79df90a]	369	rm -vfr ${ISO:+$DOWNLOADDIR/$ISO} ${DIR:+$TFTPDIR/$DIR} ### Remove $TFTPDIR/$DIR.old ?
[3554392]	370	if [ -n "$INDEX" ]; then
	371	jq "del(.oglive[$INDEX])" $INFOFILE \| sponge $INFOFILE
	372	# Decrement default index if needed (removed < default).
[a30baf2]	373	[[ $INDEX < $DEFINDEX ]] && jq ".default=$((DEFINDEX-1))" $INFOFILE \| sponge $INFOFILE
[3554392]	374	fi
[b495a61]	375	}
	376
	377	# Get default ogLive index.
	378	function getdefault() {
	379	[ $# -ne 0 ] && raiseError usage
	380	[ ! -r $INFOFILE ] && raiseError access "Configuration file."
	381	# Read default parameter.
[3554392]	382	jq -r .default $INFOFILE \|\| raiseError notfound "Undefined default index."
[b495a61]	383	}
	384
	385	# Set default ogLive index.
	386	function setdefault() {
	387	local INDEX OGLIVEDIR
	388	[ $# -ne 1 ] && raiseError usage
	389	[ ! -w $INFOFILE ] && raiseError access "Configuration file."
	390	INDEX=$1
	391	# Check if index entry exists.
[3554392]	392	jq ".oglive[$INDEX]" $INFOFILE \|\| raiseError notfound "Index \"$INDEX\"."
[b495a61]	393	# Get ogLive directory.
[3554392]	394	OGLIVEDIR=$(jq -r ".oglive[$INDEX].directory" $INFOFILE) \|\| raiseError notfound "Directory for index \"$INDEX\"."
[b495a61]	395	# Update default parameter.
[3554392]	396	jq ".default=$INDEX" $INFOFILE \| sponge $INFOFILE
[b495a61]	397	# Link to default directory.
	398	rm -f $TFTPDIR/$DEFOGLIVE
	399	ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
	400	}
	401
[d1776403]	402	# Rebuild a lost configuration file.
	403	function rebuild() {
[3dd397f]	404	local i INST NF DEF
[d1776403]	405	[ $# -ne 0 ] && raiseError usage
	406	[ -f $INFOFILE ] && raiseError access "Configuration file exists."
	407	INST=$(find $TFTPDIR/ -type d -name "$DEFOGLIVE-" -a ! -name ".old" -printf "%f\n" \| sort)
	408	for i in $INST; do
	409	NF=$(echo $i \| awk -F- '{print NF-1}')
	410	case $NF in
	411	1) addToJson "" "$(echo $i\|cut -f2 -d-)" "i386" "" "$i" "" ;;
[3dd397f]	412	2) eval addToJson $(echo $i \| awk -F- '{printf "\"\" %s amd64 %s %s \"\"",$2,$3,$0}') ;;
	413	3) eval addToJson $(echo $i \| awk -F- '{if ($3=="i386") printf "\"\" %s %s %s %s \"\"",$2,$3,$4,$0; else printf "%s %s i386 %s %s \"\"",$2,$3,$4,$0}') ;;
	414	4) eval addToJson $(echo $i \| awk -F- '{printf "%s %s %s %s %s \"\"",$2,$3,$4,$5,$0}') ;;
[d1776403]	415	esac
	416	# Check for is default oglive.
	417	[ -n "$(stat -c "%N" $TFTPDIR/$DEFOGLIVE \| awk '$3~/'$i'/ {print}')" ] && DEF="$i"
	418	done
	419	# Set default ogLive.
	420	[ -n "$DEF" ] && setdefault $(search $DEF)
	421	}
	422
[b495a61]	423	# Assign an ISO file to a JSON entry.
	424	function assign() {
	425	local ISOFILE DIR
	426	[ $# -ne 2 ] && raiseError usage
	427	[ ! -w $INFOFILE ] && raiseError access "Configuration file."
[3dd397f]	428	# Check if ISO file and index directory exist.
[b495a61]	429	ISOFILE=$DOWNLOADFILE/$1
	430	[ ! -f $DOWNLOADDIR/$ISOFILE ] && raiseError notfound "ISO file \"$1\"."
	431	DIR=$(search $2 2>/dev/null)
	432	[ ! -d $TFTPDIR/$DIR ] && raiseError notfound "Directory for index \"$2\"."
	433	# Assign ISO file to JSON entry.
[3554392]	434	jq ".oglive[$2].iso=\"$1\"" $INFOFILE \| sponge $INFOFILE && jq ".oglive[$2]" $INFOFILE
[b495a61]	435	}
	436
	437
	438	# Main progrram.
	439
	440	# Access control.
[b8498a1]	441	[ -r $OPENGNSYS/www/controlacceso.php ] && ACCESS="web"
	442	[ "$USER" = "root" ] && ACCESS="root"
	443	[ -z "$ACCESS" ] && raiseError access "Need to be root."
[b495a61]	444	# Check dependencies.
[3554392]	445	which sponge &>/dev/null \|\| raiseError notfound "Need to install \"moreutils\"."
[b495a61]	446	# Commands control.
[b8498a1]	447	shopt -s extglob
	448	case "$ACCESS" in
[240a4dc]	449	root) CMDS='+(help\|version\|convert\|config\|check\|list\|show\|search\|download\|install\|uninstall\|get-default\|set-default\|rebuild\|assign)' ;;
[b8498a1]	450	web) CMDS='+(list\|show\|search\|get-default)' ;;
	451	esac
[b495a61]	452	case "$1" in
[b8498a1]	453	$CMDS) COMMAND="${1/-/}"; shift; $COMMAND "$@" ;;
	454	*) raiseError usage ;;
[b495a61]	455	esac
	456
	457	exit $?
	458

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