source: server/bin/oglivecli @ ca75d29

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Last change on this file since ca75d29 was 0b856b4d, checked in by Ramón M. Gómez <ramongomez@…>, 6 years ago

#914: Simplyfing oglivecli code.
  • Property mode set to 100755
File size: 20.3 KB
Line 
1#!/bin/bash
2
3#/**
4#         oglivecli command [options ...]
5#@file    oglivecli
6#@brief   Command line tool to manage ogLive clients.
7#@param   $1 command  Command to execute.
8#@param   $2 options  Parameters and options.
9#@warning This script uses "jq" command.
10#@version 1.1.0 - Initial version.
11#@author  Ramón M. Gómez - ETSII Univ. Sevilla
12#@date    2016-12-05
13#*/ ##
14
15
16# Global constants definition.
17PROG=$(basename "$(realpath "$0")")                     # Program name.
18OPENGNSYS=/opt/opengnsys                                # OpenGnsys main directory.
19DOWNLOADDIR=$OPENGNSYS/lib                              # Directory to store ogLive images.
20DOWNLOADURL="https://opengnsys.es/trac/downloads"       # Download URL.
21TFTPDIR=$OPENGNSYS/tftpboot                             # TFTP directory.
22DEFOGLIVE="ogLive"                                      # Default ogLive directory.
23MINREL=20190601                                         # Mininum ogLive compatibility release.
24INFOFILE=$OPENGNSYS/etc/ogliveinfo.json                 # Configuration file.
25
26
27# Auxiliar functions.
28
29# Metafunction to check if JSON result exists.
30function jq() {
31    local OUTPUT
32    OUTPUT=$($JQ "$@") || return $?
33    [[ "$OUTPUT" = "null" ]] && return 1
34    echo "$OUTPUT"
35}
36
37# Create/edit JSON file about installed ogLive clients.
38function addToJson() {
39    local DATA OGLIVEDIST="$1" OGLIVEKRNL="$2" OGLIVEARCH="$3" OGLIVEREV="$4"
40    local OGLIVEDIR=$(basename $5 2>/dev/null) OGLIVEISO=$(basename $6 2>/dev/null)
41    # JSON data for installed ogLive.
42    DATA=$(cat << EOT | jq .
43{"distribution":"$OGLIVEDIST","kernel":"$OGLIVEKRNL","architecture":"$OGLIVEARCH","revision":"$OGLIVEREV","directory":"$OGLIVEDIR","iso":"$OGLIVEISO"}
44EOT
45    )
46    # Check JSON file consistency.
47    if [ "$(jq -c keys $INFOFILE 2>/dev/null)" == '["default","oglive"]' ]; then
48        # Check if ogLive is defined into JSON file.
49        n=$(jq ".oglive | length" $INFOFILE)
50        for ((i=0; i<n; i++)); do
51            [ "$(jq ".check=$DATA | .check==.oglive[$i]" $INFOFILE)" == "true" ] && INDEX=$i
52        done
53        # Check if it needs to insert data.
54        if [ -z "$INDEX" ]; then
55            INDEX=$n
56            jq ".oglive |= (. + [$DATA])" $INFOFILE | sponge $INFOFILE
57        fi
58        # Show JSON entry.
59        jq ".oglive[$INDEX]" $INFOFILE
60    else
61        # Create new JSON file.
62        cat << EOT | jq . | tee $INFOFILE
63{"oglive":[$DATA],"default":0}
64EOT
65    fi
66}
67
68# Show an error message.
69function raiseError() {
70    case "$1" in
71        usage)
72            echo "$PROG: Usage error: Type \"$PROG help\"" >&2
73            exit 1 ;;
74        notfound)
75            echo "$PROG: Resource not found: $2" >&2
76            exit 2 ;;
77        access)
78            echo "$PROG: Access error: $2" >&2
79            exit 3 ;;
80        download)
81            echo "$PROG: Download error: $2" >&2
82            exit 4 ;;
83        *)
84            echo "$PROG: Unknown error" >&2
85            exit 1 ;;
86    esac
87}
88
89# Command functions.
90
91# Show help message.
92function help() {
93    cat << EOT
94$PROG: manage ogLive cleints.
95Usage: $PROG command [options]
96Commands:
97  help                show this help
98  config              show configuration parameters
99  check               check system consistency
100  convert             convert old ogclient to new default ogLive client
101  list                list installed ogLive clients
102  show all            show JSON information about all installed ogLive clients
103  show default        show JSON information about ogLive client marked as default
104  show Index|Dir      show JSON information about an installed ogLive client
105  search Index|Dir    show corresponding index or directory
106  download            show a menu to download an ogLive ISO image from the OpenGnsys website
107  download Iso        download an specific ogLive ISO image from the OpenGnsys website
108  install Iso         install a new ogLive client from a downloaded ISO image
109  uninstall Iso       remove ISO image and uninstall its ogLive client
110  uninstall Index|Dir uninstall an ogLive client
111  get-default         get index value for default ogLive client
112  set-default Index   set default ogLive client
113  rebuild             rebuild a lost configuration file
114  assign Iso Index    assign an ISO file to a JSON entry
115Parameters:
116  Index   a number, starting by 0
117  Dir     directory (relative to installation directory)
118  Iso     ISO file name (relative to download URL or download directory)
119EOT
120}
121
122# Convert default ogclient to a new ogLive format.
123function convert() {
124    local OGCLIENT=ogclient OLDINFOFILE=$OPENGNSYS/doc/veroglive.txt
125    local OGLIVEKRNL OGLIVEDIR OGLIVEISO
126    [ $# -ne 0 ] && raiseError usage
127    [ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration file."
128    [ -n "$(stat -c "%N" $TFTPDIR/ogclient | awk '$3~/'$DEFOGLIVE'/ {print}')" ] && raiseError access "ogLive is already converted."
129    pushd $TFTPDIR >/dev/null || raiseError access "Installation directory."
130    [ ! -f $OGCLIENT/ogvmlinuz ] && raiseError notfound "ogclient"
131    # Add entry to JSON file using ogclient kernel version.
132    OGLIVEKRNL=$(file -bkr $OGCLIENT/ogvmlinuz | awk '/Linux/ {for(i=1;i<=NF;i++) if($i~/version/) {v=$(i+1);sub(/-.*/,"",v);print v}}')
133    OGLIVEDIR=$DEFOGLIVE-$OGLIVEKRNL
134    [ -r $OLDINFOFILE ] && OGLIVEISO="$(head -1 $OLDINFOFILE)"
135    addToJson "$(echo $OGLIVEISO|cut -f2 -d-)" "$OGLIVEKRNL" "i386" "${OGLIVEISO##*-}" "$OGLIVEDIR" "$OGLIVEISO.iso"
136    # Rename directory, link to default and clean old files.
137    mv -v $OGCLIENT $OGLIVEDIR
138    ln -vfs $OGLIVEDIR $DEFOGLIVE
139    rm -f $OGCLIENT
140    ln -vfs $DEFOGLIVE $OGCLIENT
141    mv -v $OGCLIENT.old $OGLIVEDIR.old 2>/dev/null
142    rm -fv {ogvmlinuz,oginitrd.img}{,.sum} $OLDINFOFILE
143    popd >/dev/null
144    # Delete old config file.
145    rm -f $OLDINFOFILE
146}
147
148# Show script configuration parameters.
149function config() {
150    case $# in
151        0)  # Show all parameters.
152            cat << EOT
153Configuration file:             $INFOFILE
154ogLive download URL:            $DOWNLOADURL
155ogLive download directory:      $DOWNLOADDIR
156ogLive installation directory:  $TFTPDIR
157Default ogLive name:            $DEFOGLIVE
158Mainimum compatibility release: r$MINREL
159EOT
160            ;;
161        1)  # Show specified parameter.
162            case "$1" in
163                config-file)    echo "$INFOFILE" ;;
164                download-url)   echo "$DOWNLOADURL" ;;
165                download-dir)   echo "$DOWNLOADDIR" ;;
166                install-dir)    echo "$TFTPDIR" ;;
167                default-name)   echo "$DEFOGLIVE" ;;
168                min-release)    echo "r$MINREL" ;;
169                *)              raiseError notfound "$1" ;;
170            esac
171            ;;
172        *)  # Usage error.
173            raiseError usage
174            ;;
175esac
176}
177
178# Check consistency, showing configuration problems.
179function check() {
180    local ERR=0 AUX INST DEF
181    [ $# -ne 0 ] && raiseError usage
182    # Check for old system that needs conversion.
183    if [ -z "$(stat -c "%N" $TFTPDIR/ogclient | awk '$3~/'$DEFOGLIVE'/ {print}')" ]; then
184         echo "This server uses old ogclient, please run \"$PROG convert\" to update."
185         let ERR++
186         [ ! -f $INFOFILE ] && return $ERR
187    fi
188    # Check for other problems.
189    [ ! -f $INFOFILE ] && echo "Configuration file does not exists: $INFOFILE" && let ERR++
190    [ -f $INFOFILE -a "$(jq -c keys $INFOFILE 2>/dev/null)" != "[\"default\",\"oglive\"]" ] && echo "Format error in configuration file: $INFOFILE" && let ERR++
191    [ ! -e $TFTPDIR ] && echo "TFTP directory does not exist: $TFTPDIR." && let ERR++
192    # Check for installed ogLive clients.
193    INST=( $(find $TFTPDIR/ -type d -name "$DEFOGLIVE-*" -a ! -name "*.old" -printf "%f\n" | sort) )
194    [[ ${#INST[@]} -eq 0 ]] && echo "No ogLive clients are installed." && let ERR++
195    DEF=( $(jq -r .oglive[].directory $INFOFILE 2>/dev/null | sort) )
196    # Compare installed and defined ogLive clients.
197    AUX=$(comm -23 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
198    [ -n "$AUX" ] && echo "Some ogLive are installed but not defined: ${AUX//$'\n'/, }" && let ERR++
199    AUX=$(comm -13 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
200    [ -n "$AUX" ] && echo "Some ogLive are defined but not installed: ${AUX//$'\n'/, }" && let ERR++
201    # Compare downloaded and defined ISO images.
202    INST=( $(find $DOWNLOADDIR/ -type f -name "$DEFOGLIVE-*.iso" -printf "%f\n" | sort) )
203    DEF=( $(jq -r .oglive[].iso $INFOFILE 2>/dev/null | sort) )
204    AUX=$(comm -23 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
205    [ -n "$AUX" ] && echo "Some ISOs are downloaded but not defined: ${AUX//$'\n'/, }" && let ERR++
206    AUX=$(comm -13 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
207    [ -n "$AUX" ] && echo "Some ISOs are defined but not downloaded: ${AUX//$'\n'/, }" && let ERR++
208    # Check for new ISO files downloaded after installation.
209    AUX=$(jq -r '.oglive[] as $og | $og.iso + ":" + $og.directory' $INFOFILE 2>/dev/null | \
210            while IFS=":" read -r DEF INST; do
211                [ $DOWNLOADDIR/$DEF -nt $TFTPDIR/$INST ] && echo "$DEF"
212            done)
213    [ -n "$AUX" ] && echo "Some ISOs are downloaded after installation: ${AUX//$'\n'/, }" && let ERR++
214    AUX=$(jq -r '.oglive[] as $og | if ($og.revision[1:9] | tonumber) < '$MINREL' then $og.directory else "" end' $INFOFILE 2>/dev/null)
215    [ -n "$AUX" ] && echo "Some installed ogLive aren't fully compatible: ${AUX//$'\n'/, }" && let ERR++
216    # Print result.
217    [ $ERR -eq 0 ] && echo "OK!" || echo "Problems detected: $ERR"
218    return $ERR
219}
220
221# List installed ogLive clients.
222function list() {
223    [ $# -ne 0 ] && raiseError usage
224    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
225    # List all defined indexes, directories and check if missing.
226    jq -r .oglive[].directory $INFOFILE | nl -v 0 | \
227            awk '{system("echo -n "$0"; test -d '$TFTPDIR'/"$2" || echo -n \" (missing)\"; echo")}' | column -t
228}
229
230# Show information about an installed ogLive client.
231function show() {
232    local INDEX
233    [ $# -ne 1 ] && raiseError usage
234    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
235    # Show JSON entries.
236    case "$1" in
237        default)    # Default index.
238            INDEX="[$(jq -r .default $INFOFILE)]" ;;
239        all)        # All intries.
240            ;;
241        [0-9]*)     # Index.
242            INDEX="[$1]" ;;
243        *)          # Directory.
244            INDEX="[$(search "$1" 2>/dev/null)]" || raiseError notfound "Directory \"$1\"."
245            ;;
246    esac
247    jq ".oglive$INDEX" $INFOFILE || raiseError notfound "Index \"$1\"."
248}
249
250# Show index or directory corresponding to searching parameter.
251function search() {
252    [ $# -ne 1 ] && raiseError usage
253    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
254    # Show corresponding index or directory.
255    list | awk -v d="$1" '{if ($2==d) print $1; if ($1==d) print $2}' | grep . || raiseError notfound "Index/Directory \"$1\""
256}
257
258# Show a menu to select and download an ogLive ISO image from the OpenGnsys website.
259function download() {
260    local OGLIVE NISOS i SOURCELENGTH TARGETFILE
261    local ISOREL
262    [ $# -gt 1 ] && raiseError usage
263    [ ! -d $DOWNLOADDIR ] && raiseError notfound "Download directory"
264    [ ! -w $DOWNLOADDIR ] && raiseError access "Download directory"
265    # Check parameter.
266    if [ -n "$1" ]; then
267        # ogLive to download.
268        OGLIVEFILE="$1"
269    else
270        # Show download menu.
271        OGLIVE=( $(curl --silent $DOWNLOADURL | grep "$DEFOGLIVE.*iso") )
272        NISOS=${#OGLIVE[@]}
273        echo "Available downloads (+ = installed, * = full compatibility):"
274        for i in $(seq 1 $NISOS); do
275            [ -e $DOWNLOADDIR/${OGLIVE[i-1]} ] && OGLIVE[i-1]="(+) ${OGLIVE[i-1]}"
276            ISOREL=${OGLIVE[i-1]##*-r}; ISOREL=${ISOREL%%.*}
277            [ $ISOREL -ge $MINREL ] && OGLIVE[i-1]="(*) ${OGLIVE[i-1]}"
278        done
279        select opt in "${OGLIVE[@]}"; do
280            [ -n "$opt" ] && OGLIVEFILE=${opt##* } && break
281        done
282    fi
283    # Get download size.
284    SOURCELENGTH=$(curl --head --silent $DOWNLOADURL/$OGLIVEFILE | awk -F: '/Content-Length:/ {print $2}')
285    [ -n "$SOURCELENGTH" ] || raiseError download "$OGLIVEFILE"
286    # Download ogLive.
287    TARGETFILE=$DOWNLOADDIR/$OGLIVEFILE
288    trap "rm -f $TARGETFILE" 1 2 3 6 9 15
289    curl $DOWNLOADURL/$OGLIVEFILE -o $TARGETFILE || raiseError download "$OGLIVEFILE"
290}
291
292# Install an ogLive client from a previously downloaded ISO image.
293function install() {
294    local OGLIVEFILE OGLIVEDIST OGLIVEREV OGLIVEKRNL OGLIVEDIR OGINITRD OGSQFS OGCLIENT=ogclient
295    local SAMBAPASS TMPDIR RSYNCSERV RSYNCCLNT
296    [ $# -ne 1 ] && raiseError usage
297    OGLIVEFILE=$(realpath $DOWNLOADDIR/$1)
298    # Only 1 file in pathname expansion.
299    [ $(echo $OGLIVEFILE | wc -w) -gt 1 ] && raiseError usage
300    [ ! -f $OGLIVEFILE ] && raiseError notfound "Downloaded file: \"$1\"."
301    [ ! -r $OGLIVEFILE ] && raiseError access "Downloaded file: \"$1\"."
302    [ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration directory."
303    [ ! -w $TFTPDIR ] && raiseError access "Installation directory."
304    [ -z "$(file -b $OGLIVEFILE | grep "ISO.*ogClient")" ] && raiseError access "File is not an ogLive ISO image."
305    # Working directory (ogLive-Distribution-KernelVersion-Architecture-CodeRevision).
306    OGLIVEDIST="$(echo $OGLIVEFILE|cut -f2 -d-)"
307    OGLIVEREV="${OGLIVEFILE##*-}"; OGLIVEREV="${OGLIVEREV%.*}"
308    OGLIVEKRNL="$(echo $OGLIVEFILE|cut -f3- -d-)"; OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEREV.*}"
309    OGLIVEARCH="$(echo $OGLIVEFILE|awk -F- '{print $(NF-1)}')"
310    case "$OGLIVEARCH" in
311        i386|amd64) # Get architecture.
312            OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEARCH}" ;;
313        *)          # 32-bit by default.
314            OGLIVEARCH="i386" ;;
315    esac
316    OGLIVEDIR="$TFTPDIR/$DEFOGLIVE-$OGLIVEDIST-${OGLIVEKRNL%%-*}-$OGLIVEARCH-$OGLIVEREV"
317    # Get current or default Samba key.
318    OGINITRD=$OGLIVEDIR/oginitrd.img
319    [ ! -r $OGINITRD ] && OGINITRD=$TFTPDIR/$DEFOGLIVE/oginitrd.img
320    if [ -r $OGINITRD ]; then
321    SAMBAPASS=$(gzip -dc $OGINITRD | \
322    cpio -i --to-stdout scripts/ogfunctions 2>&1 | \
323            grep "^[    ].*OPTIONS=" | \
324            sed 's/\(.*\)pass=\(\w*\)\(.*\)/\2/')
325    fi
326    # Make ogLive backup.
327    rm -fr ${OGLIVEDIR}.old
328    mv -fv $OGLIVEDIR ${OGLIVEDIR}.old 2>/dev/null
329    # Mount ogLive ISO image, update its files and unmount it.
330    TMPDIR=/tmp/${OGLIVEFILE%.iso}
331    mkdir -p $OGLIVEDIR $TMPDIR
332    trap "umount $TMPDIR; rm -fr $TMPDIR" 1 2 3 6 9 15
333    mount -o loop,ro $OGLIVEFILE $TMPDIR
334    cp -va $TMPDIR/ogclient/* $OGLIVEDIR || raiseError access "Cannot copy files to ogLive directory."
335    umount $TMPDIR
336    # Link to default directory if it's the first ogLive.
337    if [ ! -f $INFOFILE ]; then
338        rm -f $TFTPDIR/$DEFOGLIVE $TFTPDIR/$OGCLIENT
339        ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
340        ln -vfs $DEFOGLIVE $TFTPDIR/$OGCLIENT
341    fi
342    # Recover or ask for a new Samba access key.
343    if [ -n "$SAMBAPASS" ]; then
344        echo -ne "$SAMBAPASS\n$SAMBAPASS\n" | $OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
345    else
346        $OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
347    fi
348    # Set permissions.
349    find -L $OGLIVEDIR -type d -exec chmod 755 {} \;
350    find -L $OGLIVEDIR -type f -exec chmod 644 {} \;
351    chown -R :opengnsys $OGLIVEDIR
352    # Mount SquashFS and check Rsync version.
353    OGSQFS=$OGLIVEDIR/ogclient.sqfs
354    mount -o loop,ro $OGSQFS $TMPDIR
355    # If Rsync server version > client version, link to compiled file.
356    RSYNCSERV=$(rsync --version 2>/dev/null | awk '/protocol/ {print $6}')
357    RSYNCCLNT=$(chroot $TMPDIR /usr/bin/rsync --version 2>/dev/null | awk '/protocol/ {print $6}')
358    if [ -z "$RSYNCSERV" -o ${RSYNCSERV:-0} -gt ${RSYNCCLNT:-1} ]; then
359        [ -e $OPENGNSYS/client/bin/rsync-$RSYNCSERV ] && mv -f $OPENGNSYS/client/bin/rsync-$RSYNCSERV $OPENGNSYS/client/bin/rsync
360    else
361        # Else, rename compiled file using Rsync protocol number.
362        [ -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}')
363    fi
364    # Unmount SquashFS.
365    umount $TMPDIR
366    rmdir $TMPDIR
367    # Update JSON file.
368    addToJson "$OGLIVEDIST" "$OGLIVEKRNL" "$OGLIVEARCH" "$OGLIVEREV" "$OGLIVEDIR" "$OGLIVEFILE"
369}
370
371# Uninstall an ogLive client.
372function uninstall() {
373    local ISO DIR INDEX DEFINDEX
374    [ $# -ne 1 ] && raiseError usage
375    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
376    [ ! -w $TFTPDIR ] && raiseError access "Installation directory."
377    # Get index and directory for the entry.
378    case "$1" in
379        */*)    # Error (access to other directory).
380            raiseError access "Cannot access outside installation directory."
381            ;;
382        *.iso)  # ISO file.
383            ISO="$1"
384            # Working directory (ogLive-Distribution-KernelVersion-CodeRevision).
385            DIR="$(echo $ISO|cut -f1,3 -d-)-${ISO##*-}"; DIR=${DIR%.*}
386            INDEX=$(search $DIR 2>/dev/null)
387            ;;
388        [0-9]*) # Index.
389            INDEX=$1; DIR=$(search $INDEX 2>/dev/null)
390            ;;
391        *)      # Directory.
392            DIR="$1"; INDEX=$(search $DIR 2>/dev/null)
393            ;;
394    esac
395    DEFINDEX=$(getdefault)
396    [[ $INDEX = $DEFINDEX ]] && raiseError access "Cannot uninstall default ogLive."
397    # Remove files and delete index entry.
398    rm -vfr ${ISO:+$DOWNLOADDIR/$ISO} ${DIR:+$TFTPDIR/$DIR}    ### Remove $TFTPDIR/$DIR.old ?
399    if [ -n "$INDEX" ]; then
400        jq "del(.oglive[$INDEX])" $INFOFILE | sponge $INFOFILE
401        # Decrement default index if needed (removed < default).
402        [[ $INDEX < $DEFINDEX ]] && jq ".default=$((DEFINDEX-1))" $INFOFILE | sponge $INFOFILE
403    fi
404}
405
406# Get default ogLive index.
407function getdefault() {
408    [ $# -ne 0 ] && raiseError usage
409    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
410    # Read default parameter.
411    jq -r .default $INFOFILE || raiseError notfound "Undefined default index."
412}
413
414# Set default ogLive index.
415function setdefault() {
416    local INDEX OGLIVEDIR
417    [ $# -ne 1 ] && raiseError usage
418    [ ! -w $INFOFILE ] && raiseError access "Configuration file."
419    INDEX=$1
420    # Check if index entry exists.
421    jq ".oglive[$INDEX]" $INFOFILE || raiseError notfound "Index \"$INDEX\"."
422    # Get ogLive directory.
423    OGLIVEDIR=$(jq -r ".oglive[$INDEX].directory" $INFOFILE) || raiseError notfound "Directory for index \"$INDEX\"."
424    # Update default parameter.
425    jq ".default=$INDEX" $INFOFILE | sponge $INFOFILE
426    # Link to default directory.
427    rm -f $TFTPDIR/$DEFOGLIVE
428    ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
429}
430
431# Rebuild a lost configuration file.
432function rebuild() {
433    local INST i NF DEF
434    [ $# -ne 0 ] && raiseError usage
435    [ -f $INFOFILE ] && raiseError access "Configuration file exists."
436    INST=$(find $TFTPDIR/ -type d -name "$DEFOGLIVE-*" -a ! -name "*.old" -printf "%f\n" | sort)
437    for i in $INST; do
438        NF=$(echo $i | awk -F- '{print NF-1}')
439        case $NF in
440            1)  addToJson "" "$(echo $i|cut -f2 -d-)" "i386" "" "$i" "" ;;
441            4)  addToJson $(echo $i | awk -F- '{printf "%s %s i386 %s %s '""'",$2,$3,$4,$0}') ;;
442            5)  addToJson $(echo $i | awk -F- '{printf "%s %s %s %s %s '""'",$2,$3,$4,$5,$0}') ;;
443        esac
444        # Check for is default oglive.
445        [ -n "$(stat -c "%N" $TFTPDIR/$DEFOGLIVE | awk '$3~/'$i'/ {print}')" ] && DEF="$i"
446    done
447    # Set default ogLive.
448    [ -n "$DEF" ] && setdefault $(search $DEF)
449}
450
451# Assign an ISO file to a JSON entry.
452function assign() {
453local ISOFILE DIR
454    [ $# -ne 2 ] && raiseError usage
455    [ ! -w $INFOFILE ] && raiseError access "Configuration file."
456    # Check if exist ISO file and index directory.
457    ISOFILE=$DOWNLOADFILE/$1
458    [ ! -f $DOWNLOADDIR/$ISOFILE ] && raiseError notfound "ISO file \"$1\"."
459    DIR=$(search $2 2>/dev/null)
460    [ ! -d $TFTPDIR/$DIR ] && raiseError notfound "Directory for index \"$2\"."
461    # Assign ISO file to JSON entry.
462    jq ".oglive[$2].iso=\"$1\"" $INFOFILE | sponge $INFOFILE && jq ".oglive[$2]" $INFOFILE
463}
464
465
466# Main progrram.
467
468# Access control.
469[ -r $OPENGNSYS/www/controlacceso.php ] && ACCESS="web"
470[ "$USER" = "root" ] && ACCESS="root"
471[ -z "$ACCESS" ] && raiseError access "Need to be root."
472# Check dependencies.
473JQ=$(which jq 2>/dev/null) || raiseError notfound "Need to install \"jq\"."
474which sponge &>/dev/null || raiseError notfound "Need to install \"moreutils\"."
475# Commands control.
476shopt -s extglob
477case "$ACCESS" in
478    root)   CMDS='+(help|convert|config|check|list|show|search|download|install|uninstall|get-default|set-default|rebuild|assign)' ;;
479    web)    CMDS='+(list|show|search|get-default)' ;;
480esac
481case "$1" in
482    $CMDS)  COMMAND="${1/-/}"; shift; $COMMAND "$@" ;;
483    *)      raiseError usage ;;
484esac
485
486exit $?
487
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