close Warning: Failed to sync with repository "ogBrowser-Git": (1366, "Incorrect string value: '\\xF0\\x9F\\x93\\xA6 I...' for column 'message' at row 1"); repository information may be out of date. Look in the Trac log for more information including mitigation strategies.

source: server/bin/oglivecli

lgromero-new-oglive
Last change on this file was 26dd8f6, checked in by Natalia Serrano <natalia.serrano@…>, 20 months ago

refs #262 download files from a working server
  • Property mode set to 100755
File size: 20.6 KB
Line 
1#!/bin/bash
2
3#/**
4#@file    oglivecli
5#@brief   Command line tool to manage ogLive clients.
6#@usage   oglivecli Command [Options ...]
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)
31#@warning This script needs "jq" command.
32#@version 1.1.0 - Initial version.
33#@author  Ramón M. Gómez - ETSII Univ. Sevilla
34#@date    2016-12-05
35#@version 1.1.1b - Use reduced directory names.
36#@author  Ramón M. Gómez - ETSII Univ. Sevilla
37#@date    2020-01-17
38#*/ ##
39
40
41# Global constants definition.
42PROG=$(basename "$(realpath "$0")")                     # Program name.
43OPENGNSYS=/opt/opengnsys                                # OpenGnsys main directory.
44DOWNLOADDIR=$OPENGNSYS/lib                              # Directory to store ogLive images.
45DOWNLOADURL="https://ognproject.evlt.uma.es/trac/downloads"     # Download URL.
46TFTPDIR=$OPENGNSYS/tftpboot                             # TFTP directory.
47DEFOGLIVE="ogLive"                                      # Default ogLive directory.
48MINREL=20190601                                         # Mininum ogLive compatibility release.
49INFOFILE=$OPENGNSYS/etc/ogliveinfo.json                 # Configuration file.
50
51
52# Global and secondary functions.
53
54source $OPENGNSYS/lib/ogfunctions.sh || exit 1
55
56# Create/edit JSON file about installed ogLive clients.
57function addToJson() {
58    local i DATA OGLIVEDIST="$1" OGLIVEKRNL="$2" OGLIVEARCH="$3" OGLIVEREV="$4"
59    local OGLIVEDIR=$(basename $5 2>/dev/null) OGLIVEISO=$(basename $6 2>/dev/null)
60    # JSON data for installed ogLive.
61    DATA=$(cat << EOT | jq .
62{"distribution":"$OGLIVEDIST","kernel":"$OGLIVEKRNL","architecture":"$OGLIVEARCH","revision":"$OGLIVEREV","directory":"$OGLIVEDIR","iso":"$OGLIVEISO"}
63EOT
64    )
65    # Check JSON file consistency.
66    if [ "$(jq -c keys $INFOFILE 2>/dev/null)" == '["default","oglive"]' ]; then
67        # Check if ogLive is defined into JSON file.
68        n=$(jq ".oglive | length" $INFOFILE)
69        for ((i=0; i<n; i++)); do
70            [ "$(jq ".check=$DATA | .check==.oglive[$i]" $INFOFILE)" == "true" ] && INDEX=$i
71        done
72        # Check if it needs to insert data.
73        if [ -z "$INDEX" ]; then
74            INDEX=$n
75            jq ".oglive |= (. + [$DATA])" $INFOFILE | sponge $INFOFILE
76        fi
77        # Show JSON entry.
78        jq ".oglive[$INDEX]" $INFOFILE
79    else
80        # Create new JSON file.
81        cat << EOT | jq . | tee $INFOFILE
82{"oglive":[$DATA],"default":0}
83EOT
84    fi
85}
86
87# Command functions.
88
89# Convert default ogclient to a new ogLive format.
90function convert() {
91    local OGCLIENT=ogclient OLDINFOFILE=$OPENGNSYS/doc/veroglive.txt
92    local OGLIVEKRNL OGLIVEDIR OGLIVEISO
93    [ $# -ne 0 ] && raiseError usage
94    [ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration file."
95    [ -n "$(stat -c "%N" $TFTPDIR/ogclient | awk '$3~/'$DEFOGLIVE'/ {print}')" ] && raiseError access "ogLive is already converted."
96    pushd $TFTPDIR >/dev/null || raiseError access "Installation directory."
97    [ ! -f $OGCLIENT/ogvmlinuz ] && raiseError notfound "\"ogclient\"."
98    # Add entry to JSON file using ogclient kernel version.
99    OGLIVEKRNL=$(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
101    [ -r $OLDINFOFILE ] && OGLIVEISO="$(head -1 $OLDINFOFILE)"
102    addToJson "$(echo $OGLIVEISO|cut -f2 -d-)" "$OGLIVEKRNL" "i386" "${OGLIVEISO##*-}" "$OGLIVEDIR" "$OGLIVEISO.iso"
103    # Rename directory, link to default and clean old files.
104    mv -v $OGCLIENT $OGLIVEDIR
105    ln -vfs $OGLIVEDIR $DEFOGLIVE
106    rm -f $OGCLIENT
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
111    # Delete old config file.
112    rm -f $OLDINFOFILE
113}
114
115# Show script configuration parameters.
116function config() {
117    local DATA
118    DATA=$(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]"
127EOT
128    )
129    case $# in
130        0)  # Show all parameters.
131            echo $DATA | jq -r '.[] | .description + " (" + .param+ ")," + .value' | column -ts,
132            ;;
133        1)  # Show specified parameter.
134            DATA=$(echo $DATA | jq -r ".[] | select(.param==\"$1\").value")
135            [ "$DATA" ] || raiseError notfound "\"$1\"."
136            echo "$DATA"
137            ;;
138        *)  # Usage error.
139            raiseError usage
140            ;;
141esac
142}
143
144# Check consistency, showing configuration problems.
145function 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++
152         [ ! -f $INFOFILE ] && return $ERR
153    fi
154    # Check for other problems.
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++
157    [ ! -e $TFTPDIR ] && echo "TFTP directory does not exist: $TFTPDIR." && let ERR++
158    # Check for installed ogLive clients.
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++
161    DEF=( $(jq -r .oglive[].directory $INFOFILE 2>/dev/null | sort) )
162    # Compare installed and defined ogLive clients.
163    AUX=$(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) )
169    DEF=( $(jq -r .oglive[].iso $INFOFILE 2>/dev/null | sort) )
170    AUX=$(comm -23 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
171    [ -n "$AUX" ] && echo "Some ISOs are downloaded but not defined: ${AUX//$'\n'/, }" && let ERR++
172    AUX=$(comm -13 <(printf "%s\n" ${INST[*]}) <(printf "%s\n" ${DEF[*]}))
173    [ -n "$AUX" ] && echo "Some ISOs are defined but not downloaded: ${AUX//$'\n'/, }" && let ERR++
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++
180    AUX=$(jq -r '.oglive[] as $og | if ($og.revision[1:9] | tonumber) < '$MINREL' then $og.directory else "" end' $INFOFILE 2>/dev/null)
181    [ -n "$AUX" ] && echo "Some installed ogLive aren't fully compatible: ${AUX//$'\n'/, }" && let ERR++
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++
185    # Print result.
186    [ $ERR -eq 0 ] && echo "OK!" || echo "Problems detected: $ERR"
187    return $ERR
188}
189
190# List installed ogLive clients.
191function list() {
192    [ $# -ne 0 ] && raiseError usage
193    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
194    # List all defined indexes, directories and check if missing.
195    jq -r .oglive[].directory $INFOFILE | nl -v 0 | \
196            awk '{system("echo -n "$0"; test -d '$TFTPDIR'/"$2" || echo -n \" (missing)\"; echo")}' | column -t
197}
198
199# Show information about an installed ogLive client.
200function show() {
201    local INDEX
202    [ $# -ne 1 ] && raiseError usage
203    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
204    # Show JSON entries.
205    case "$1" in
206        default)    # Default index.
207            INDEX="[$(jq -r .default $INFOFILE)]" ;;
208        all)        # All intries.
209            ;;
210        [0-9]*)     # Index.
211            INDEX="[$1]" ;;
212        *)          # Directory.
213            INDEX="[$(search "$1" 2>/dev/null)]" || raiseError notfound "Directory \"$1\"."
214            ;;
215    esac
216    jq ".oglive$INDEX" $INFOFILE || raiseError notfound "Index \"$1\"."
217}
218
219# Show index or directory corresponding to searching parameter.
220function search() {
221    [ $# -ne 1 ] && raiseError usage
222    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
223    # Show corresponding index or directory.
224    list | awk -v d="$1" '{if ($2==d) print $1; if ($1==d) print $2}' | grep . || raiseError notfound "Index/Directory \"$1\"."
225}
226
227# Show a menu to select and download an ogLive ISO image from the OpenGnsys website.
228function download() {
229    local OGLIVE NISOS i HTTPCODE TARGETFILE
230    local ISOREL
231    [ $# -gt 1 ] && raiseError usage
232    [ ! -d $DOWNLOADDIR ] && raiseError notfound "Download directory."
233    [ ! -w $DOWNLOADDIR ] && raiseError access "Download directory."
234    # Check parameter.
235    if [ -n "$1" ]; then
236        # ogLive to download.
237        OGLIVEFILE="$1"
238    else
239        # Show download menu.
240        OGLIVE=( $(curl --insecure --silent $DOWNLOADURL | grep "$DEFOGLIVE.*iso") )
241        NISOS=${#OGLIVE[@]}
242        echo "Available downloads (+ = installed, * = full compatibility):"
243        for i in $(seq 1 $NISOS); do
244            [ -e $DOWNLOADDIR/${OGLIVE[i-1]} ] && OGLIVE[i-1]="(+) ${OGLIVE[i-1]}"
245            ISOREL=${OGLIVE[i-1]##*-r}; ISOREL=${ISOREL%%.*}
246            [ $ISOREL -ge $MINREL ] && OGLIVE[i-1]="(*) ${OGLIVE[i-1]}"
247        done
248        select opt in "${OGLIVE[@]}"; do
249            [ -n "$opt" ] && OGLIVEFILE=${opt##* } && break
250        done
251    fi
252    # Get download size.
253    SOURCELENGTH=$(curl --insecure --head --retry 5 --retry-delay 5 --max-time 30 $DOWNLOADURL/$OGLIVEFILE | awk -F: '/Content-Length:/ {print $2}')
254    [ -n "$SOURCELENGTH" ] || raiseError download "$OGLIVEFILE"
255    # Download ogLive.
256    TARGETFILE=$DOWNLOADDIR/$OGLIVEFILE
257    trap "rm -f $TARGETFILE" 1 2 3 6 9 15
258    curl --insecure --retry 5 --retry-delay 5 --max-time 30 $DOWNLOADURL/$OGLIVEFILE -o $TARGETFILE || raiseError download "\"$OGLIVEFILE\"."
259}
260
261# Install an ogLive client from a previously downloaded ISO image.
262function install() {
263    local OGLIVEFILE OGLIVEDIST OGLIVEREV OGLIVEKRNL OGLIVEDIR OGINITRD OGSQFS OGCLIENT=ogclient
264    local COMPRESS SAMBAPASS TMPDIR RSYNCSERV RSYNCCLNT
265    [ $# -ne 1 ] && raiseError usage
266    OGLIVEFILE=$(realpath $DOWNLOADDIR/$1)
267    # Only 1 file in pathname expansion.
268    [ $(echo $OGLIVEFILE | wc -w) -gt 1 ] && raiseError usage
269    [ ! -f $OGLIVEFILE ] && raiseError notfound "Downloaded file: \"$1\"."
270    [ ! -r $OGLIVEFILE ] && raiseError access "Downloaded file: \"$1\"."
271    [ ! -w $(dirname $INFOFILE) ] && raiseError access "Configuration directory."
272    [ ! -w $TFTPDIR ] && raiseError access "Installation directory."
273    [ -z "$(file -b $OGLIVEFILE | grep "ISO.*ogClient")" ] && raiseError access "File is not an ogLive ISO image."
274    # Working directory:
275    #   64-bit: ogLive-KernelVersion-rCodeRelease
276    #   32-bit: ogLive-KernelVersion-i386-rCodeRelease
277    OGLIVEDIST="$(echo $OGLIVEFILE|cut -f2 -d-)"
278    OGLIVEREV="${OGLIVEFILE##*-}"; OGLIVEREV="${OGLIVEREV%%.*}"
279    OGLIVEKRNL="$(echo $OGLIVEFILE|cut -f3- -d-)"; OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEREV.*}"
280    OGLIVEARCH="$(echo $OGLIVEFILE|awk -F- '{print $(NF-1)}')"
281    case "$OGLIVEARCH" in
282        i386|amd64) # Get architecture.
283            OGLIVEKRNL="${OGLIVEKRNL%-$OGLIVEARCH}" ;;
284        *)          # 32-bit by default.
285            OGLIVEARCH="i386" ;;
286    esac
287    OGLIVEDIR="$TFTPDIR/$DEFOGLIVE-${OGLIVEKRNL%%-*}-$OGLIVEARCH-$OGLIVEREV"
288    OGLIVEDIR="${OGLIVEDIR/amd64-/}"
289    # Get current or default Samba key.
290    OGINITRD=$OGLIVEDIR/oginitrd.img
291    [ ! -r $OGINITRD ] && OGINITRD=$TFTPDIR/$DEFOGLIVE/oginitrd.img
292    if [ -r $OGINITRD ]; then
293        COMPRESS=$(file -b "$OGINITRD" | awk '{print tolower($1);}')
294        SAMBAPASS=$($COMPRESS -dc $OGINITRD | \
295            cpio -i --to-stdout scripts/ogfunctions 2>&1 | \
296            sed -n '/^[         ].*OPTIONS=/s/.*pass=\(\w*\).*/\1/p')
297    fi
298    # Make ogLive backup.
299    rm -fr ${OGLIVEDIR}.old
300    mv -fv $OGLIVEDIR ${OGLIVEDIR}.old 2>/dev/null
301    # Mount ogLive ISO image, update its files and unmount it.
302    TMPDIR=/tmp/${OGLIVEFILE%.iso}
303    mkdir -p $OGLIVEDIR $TMPDIR
304    trap "umount $TMPDIR; rm -fr $TMPDIR" 1 2 3 6 9 15
305    mount -o loop,ro $OGLIVEFILE $TMPDIR
306    cp -va $TMPDIR/ogclient/* $OGLIVEDIR || raiseError access "Cannot copy files to ogLive directory."
307    umount $TMPDIR
308    # Link to default directory if it's the first ogLive.
309    if [ ! -f $INFOFILE ]; then
310        rm -f $TFTPDIR/$DEFOGLIVE $TFTPDIR/$OGCLIENT
311        ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
312        ln -vfs $DEFOGLIVE $TFTPDIR/$OGCLIENT
313    fi
314    # Recover or ask for a new Samba access key.
315    if [ -n "$SAMBAPASS" ]; then
316        echo -ne "$SAMBAPASS\n$SAMBAPASS\n" | $OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
317    else
318        $OPENGNSYS/bin/setsmbpass "$(basename $OGLIVEDIR)"
319    fi
320    # Set permissions.
321    find -L $OGLIVEDIR -type d -exec chmod 755 {} \;
322    find -L $OGLIVEDIR -type f -exec chmod 644 {} \;
323    chown -R :opengnsys $OGLIVEDIR
324    # Mount SquashFS and check Rsync version.
325    OGSQFS=$OGLIVEDIR/ogclient.sqfs
326    mount -o loop,ro $OGSQFS $TMPDIR
327    # If Rsync server version > client version, link to compiled file.
328    RSYNCSERV=$(rsync --version 2>/dev/null | awk '/protocol/ {print $6}')
329    RSYNCCLNT=$(chroot $TMPDIR /usr/bin/rsync --version 2>/dev/null | awk '/protocol/ {print $6}')
330    if [ -z "$RSYNCSERV" -o ${RSYNCSERV:-0} -gt ${RSYNCCLNT:-1} ]; then
331        [ -e $OPENGNSYS/client/bin/rsync-$RSYNCSERV ] && mv -f $OPENGNSYS/client/bin/rsync-$RSYNCSERV $OPENGNSYS/client/bin/rsync
332    else
333        # Else, rename compiled file using Rsync protocol number.
334        [ -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}')
335    fi
336    # Unmount SquashFS.
337    umount $TMPDIR
338    rmdir $TMPDIR
339    # Update JSON file.
340    addToJson "$OGLIVEDIST" "$OGLIVEKRNL" "$OGLIVEARCH" "$OGLIVEREV" "$OGLIVEDIR" "$OGLIVEFILE"
341}
342
343# Uninstall an ogLive client.
344function uninstall() {
345    local ISO DIR INDEX DEFINDEX
346    [ $# -ne 1 ] && raiseError usage
347    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
348    [ ! -w $TFTPDIR ] && raiseError access "Installation directory."
349    # Get index and directory for the entry.
350    case "$1" in
351        */*)    # Error (access to other directory).
352            raiseError access "Cannot access outside installation directory."
353            ;;
354        *.iso)  # ISO file.
355            ISO="$1"
356            # Working directory (ogLive-Distribution-KernelVersion-CodeRevision).
357            DIR="$(echo $ISO|cut -f1,3 -d-)-${ISO##*-}"; DIR=${DIR%.*}
358            INDEX=$(search $DIR 2>/dev/null)
359            ;;
360        [0-9]*) # Index.
361            INDEX=$1; DIR=$(search $INDEX 2>/dev/null)
362            ;;
363        *)      # Directory.
364            DIR="$1"; INDEX=$(search $DIR 2>/dev/null)
365            ;;
366    esac
367    DEFINDEX=$(getdefault)
368    [[ $INDEX = $DEFINDEX ]] && raiseError access "Cannot uninstall default ogLive."
369    # Remove files and delete index entry.
370    rm -vfr ${ISO:+$DOWNLOADDIR/$ISO} ${DIR:+$TFTPDIR/$DIR}    ### Remove $TFTPDIR/$DIR.old ?
371    if [ -n "$INDEX" ]; then
372        jq "del(.oglive[$INDEX])" $INFOFILE | sponge $INFOFILE
373        # Decrement default index if needed (removed < default).
374        [[ $INDEX < $DEFINDEX ]] && jq ".default=$((DEFINDEX-1))" $INFOFILE | sponge $INFOFILE
375    fi
376}
377
378# Get default ogLive index.
379function getdefault() {
380    [ $# -ne 0 ] && raiseError usage
381    [ ! -r $INFOFILE ] && raiseError access "Configuration file."
382    # Read default parameter.
383    jq -r .default $INFOFILE || raiseError notfound "Undefined default index."
384}
385
386# Set default ogLive index.
387function setdefault() {
388    local INDEX OGLIVEDIR
389    [ $# -ne 1 ] && raiseError usage
390    [ ! -w $INFOFILE ] && raiseError access "Configuration file."
391    INDEX=$1
392    # Check if index entry exists.
393    jq ".oglive[$INDEX]" $INFOFILE || raiseError notfound "Index \"$INDEX\"."
394    # Get ogLive directory.
395    OGLIVEDIR=$(jq -r ".oglive[$INDEX].directory" $INFOFILE) || raiseError notfound "Directory for index \"$INDEX\"."
396    # Update default parameter.
397    jq ".default=$INDEX" $INFOFILE | sponge $INFOFILE
398    # Link to default directory.
399    rm -f $TFTPDIR/$DEFOGLIVE
400    ln -vfs $(basename $OGLIVEDIR) $TFTPDIR/$DEFOGLIVE
401}
402
403# Rebuild a lost configuration file.
404function rebuild() {
405    local i INST NF DEF
406    [ $# -ne 0 ] && raiseError usage
407    [ -f $INFOFILE ] && raiseError access "Configuration file exists."
408    INST=$(find $TFTPDIR/ -type d -name "$DEFOGLIVE-*" -a ! -name "*.old" -printf "%f\n" | sort)
409    for i in $INST; do
410        NF=$(echo $i | awk -F- '{print NF-1}')
411        case $NF in
412            1)  addToJson "" "$(echo $i|cut -f2 -d-)" "i386" "" "$i" "" ;;
413            2)  eval addToJson $(echo $i | awk -F- '{printf "\"\" %s amd64 %s %s \"\"",$2,$3,$0}') ;;
414            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}') ;;
415            4)  eval addToJson $(echo $i | awk -F- '{printf "%s %s %s %s %s \"\"",$2,$3,$4,$5,$0}') ;;
416        esac
417        # Check for is default oglive.
418        [ -n "$(stat -c "%N" $TFTPDIR/$DEFOGLIVE | awk '$3~/'$i'/ {print}')" ] && DEF="$i"
419    done
420    # Set default ogLive.
421    [ -n "$DEF" ] && setdefault $(search $DEF)
422}
423
424# Assign an ISO file to a JSON entry.
425function assign() {
426local ISOFILE DIR
427    [ $# -ne 2 ] && raiseError usage
428    [ ! -w $INFOFILE ] && raiseError access "Configuration file."
429    # Check if ISO file and index directory exist.
430    ISOFILE=$DOWNLOADFILE/$1
431    [ ! -f $DOWNLOADDIR/$ISOFILE ] && raiseError notfound "ISO file \"$1\"."
432    DIR=$(search $2 2>/dev/null)
433    [ ! -d $TFTPDIR/$DIR ] && raiseError notfound "Directory for index \"$2\"."
434    # Assign ISO file to JSON entry.
435    jq ".oglive[$2].iso=\"$1\"" $INFOFILE | sponge $INFOFILE && jq ".oglive[$2]" $INFOFILE
436}
437
438
439# Main progrram.
440
441# Access control.
442[ -r $OPENGNSYS/www/controlacceso.php ] && ACCESS="web"
443[ "$USER" = "root" ] && ACCESS="root"
444[ -z "$ACCESS" ] && raiseError access "Need to be root."
445# Check dependencies.
446which sponge &>/dev/null || raiseError notfound "Need to install \"moreutils\"."
447# Commands control.
448shopt -s extglob
449case "$ACCESS" in
450    root)   CMDS='+(help|version|convert|config|check|list|show|search|download|install|uninstall|get-default|set-default|rebuild|assign)' ;;
451    web)    CMDS='+(list|show|search|get-default)' ;;
452esac
453case "$1" in
454    $CMDS)  COMMAND="${1/-/}"; shift; $COMMAND "$@" ;;
455    *)      raiseError usage ;;
456esac
457
458exit $?
459
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