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|
##############################################
# Include: Setup virtual floppy for drive b: #
##############################################
## Functions ##
setup_virtual_floppy() {
declare -rg SLX_FLOPPY_IMG="${TMPDIR}/floppy.img"
declare -rg TMPHOME="${HOME}"
# create floppy disk file + filesystem
dd "if=/dev/zero" "of=${SLX_FLOPPY_IMG}" count=1440 bs=1024
chmod 0600 "${SLX_FLOPPY_IMG}"
mkfs.fat "${SLX_FLOPPY_IMG}" || mkfs.vfat "${SLX_FLOPPY_IMG}" || mkdosfs "${SLX_FLOPPY_IMG}"
if [ -s "${TMPHOME}/.openslx/shares" ]; then
$(safesource "${TMPHOME}/.openslx/shares")
else
$(safesource "/opt/openslx/inc/shares")
fi
if notempty SHARE_REMAP_MODE; then
local SHARE_REMAP_MODE_INI="$SHARE_REMAP_MODE"
else
local SHARE_REMAP_MODE_INI="0"
local SHARE_REMAP_MODE="3"
fi
notempty SHARE_CREATE_MISSING_REMAP || local SHARE_CREATE_MISSING_REMAP="1"
# Legacy: openslx.exe expects HOSTRES.TXT
local RESOLUTION=$(xrandr | grep -o -E 'connected\s*(primary)?\s*[0-9]+x[0-9]+\+0\+0' \
| grep -o -E -m1 '[0-9]+x[0-9]+')
# TODO fallback if this fails? this is currently never checked...
cat > "${TMPDIR}/HOSTRES.TXT" <<-EOF
${RESOLUTION}
EOF
# Create file for network shares to mount
declare -g SHARES="${TMPDIR}/shares.dat"
touch "${SHARES}"
chmod 0600 "${SHARES}"
if ! pwdaemon --query "${TMPHOME}/.pwsocket" > "${SHARES}"; then
slxlog "virt-pwdaemon" "Could not start pwdaemon"
echo "- - - - - - -" > "${SHARES}"
else
sed -i 's/^/192.168.101.1\t/' "${SHARES}" # TODO: Depending on nettype (in case we have != nat some day)
if [ "${SHARE_REMAP_MODE}" = 1 -o "${SHARE_REMAP_MODE}" = 2 ] && [ -e "${TMPHOME}/.openslx/home" ]; then
NETHOME=$(cat "${TMPHOME}/.openslx/home")
notempty SHARE_HOME_DRIVE || local SHARE_HOME_DRIVE="H:"
# Tab between items, so spaces can be used!
echo "${NETHOME} ${SHARE_HOME_DRIVE} Home-Verzeichnis" >> "${SHARES}"
fi
for VAR in ${!SHARE_LINE_*}; do
echo "${!VAR}" >> "${SHARES}"
done
fi
local NETSHARES="$CONFDIR/netshares"
local RUNSCRIPT="$CONFDIR/runscript"
## Network shares
# openslx.exe expects network shares line in the following format:
# <path> <letter> <shortcut> <username> <password>
# which is coincidentally the one we received from dmsd :)
if [ -f "$NETSHARES" ] || download_file "$url_lecture_netshares" "$NETSHARES"; then
if [ -s "${NETSHARES}" ]; then
# try to detect if we are running windows and replace '/' with '\'
# in an attempt to fix an improperly given samba path
cmd=(cat)
if [[ "$( tr '[A-Z]' '[a-z]' <<< ${VM_OS_TYPE})" = *windows* ]]; then
cmd=(tr / '\\')
fi
# replace the tag for the username, if present; the variable expansion escapes all ':' in $USER
sed -i "s:%loginuser%:${USER//:/\\:}:g" "${NETSHARES}"
< "${NETSHARES}" "${cmd[@]}" >> "${SHARES}"
fi
fi
## Runscript
declare -A OPTIONS
# Check downloaded runscript and handle options like
# extension, visibility flag, ...
# options are 'key=value' pairs separated with ';'
if [ -f "$RUNSCRIPT" ] || download_file "$url_lecture_runscript" "$RUNSCRIPT"; then
if [ -s "$RUNSCRIPT" ]; then
IFS=$'\n'
for OPT in $(head -n 1 "$RUNSCRIPT" | tr ";" "\n"); do
KEY=$(cut -s -d '=' -f 1 <<< "${OPT^^}")
[ -n "$KEY" ] && OPTIONS["$KEY"]=$(cut -s -d '=' -f 2- <<< "$OPT")
done
unset IFS
[ ${OPTIONS[EXT]} ] && [ "x${OPTIONS[EXT]:0:1}" != "x." ] && OPTIONS[EXT]=".${OPTIONS[EXT]}"
fi
fi
# Default to muted
local MUTED=1
# Satellite/location setting can override
[ -n "$SLX_VM_MUTED" ] && [ "$SLX_VM_MUTED" -ge 0 ] && MUTED="$SLX_VM_MUTED"
# finally, lecture can override
if [ -n "${OPTIONS[SOUNDMUTED]}" ] && [ "${OPTIONS[SOUNDMUTED]}" != -1 ]; then
MUTED="${OPTIONS[SOUNDMUTED]}"
fi
# Write info file
local UNAME=
[ -s "${HOME}/.openslx/account" ] && UNAME=$(cat "${HOME}/.openslx/account")
notempty UNAME || UNAME=$(whoami)
cat > "${TMPDIR}/openslx.ini" <<-EOF
[openslx]
username=${UNAME}
resolution=${RESOLUTION}
createMissingRemap=${SHARE_CREATE_MISSING_REMAP}
remapMode=${SHARE_REMAP_MODE_INI}
homeDrive=${SHARE_HOME_DRIVE}
scriptExt=${OPTIONS[EXT]}
scriptVisibility=${OPTIONS[VISIBILITY]}
passCreds=${SHARE_CREDENTIAL_PASSTHROUGH}
bootIp=${SLX_PXE_CLIENT_IP}
muteSound=${MUTED}
[remap]
documents=${SHARE_DOCUMENTS}
downloads=${SHARE_DOWNLOADS}
desktop=${SHARE_DESKTOP}
media=${SHARE_MEDIA}
other=${SHARE_OTHER}
EOF
# Copy all them there filez into floppy image
mcopy -i "${SLX_FLOPPY_IMG}" "${TMPDIR}/openslx.ini" "${TMPDIR}/HOSTRES.TXT" "${SHARES}" "${VMCHOOSER_DIR}/data/openslx.exe" "::/"
# If we have a kerberos ticket, copy that one too (TODO: Copy keytab too?)
if [ -n "$KRB5CCNAME" ]; then
kf=${KRB5CCNAME#FILE:}
kf=${kf#file:}
if [ -n "$kf" ] && [ -f "$kf" ]; then
mcopy -i "${SLX_FLOPPY_IMG}" "$kf" "::/krb5user.key"
fi
fi
# Copy guest configuration (with added information) config.xml to be accessed
# via virtual floppy
mcopy -i "${SLX_FLOPPY_IMG}" "$XML_FILE" "::/config.xml"
# Copying linux directory:
mcopy -s -i "${SLX_FLOPPY_IMG}" "$VMCHOOSER_DIR/data/linux" "::/"
# User supplied runscript
if [ -n "${OPTIONS[EXT]}" ]; then
sed -i '1d' "${RUNSCRIPT}"
mcopy -i "${SLX_FLOPPY_IMG}" "${RUNSCRIPT}" "::/runscript${OPTIONS[EXT]}"
fi
# Admin supplied runscript(s)
if [ -d "${CONFDIR}/adminrun" ]; then
mcopy -s -i "${SLX_FLOPPY_IMG}" "${CONFDIR}/adminrun" "::/"
fi
rm -f -- "${SHARES}" "${TMPDIR}/openslx.ini" "${TMPDIR}/HOSTRES.TXT"
}
## MAIN ##
# Sanity checks #
# Check if we have any filesystem tool
if ! check_dep --oneof mkfs.fat mkfs.vfat mkdosfs; then
# no tools found in minilinux, this means no floppy/openslx.exe will be supported
slxlog "virt-fstool-missing" "Could not find any of 'mkfs.fat', 'mkfs.vfat', 'mkdosfs'!"
writelog "Could not find any filesystem-related tools to create the floppy's filesystem with!"
error_user "Konnte kein virtuelles Floppy anlegen! Setzen der Auflösung oder Einhängen von Netzwerkfreigaben werden nicht funktionieren. Bitte kontaktieren Sie den Support."
# still continue as this is not really critical
fi
# separate check for other deps
if ! check_dep dd chmod pwdaemon sed head grep cut whoami mcopy; then
writelog "Missing core tools to setup the virtual floppy!"
else
reg_feature_handler "slxfloppy" "setup_virtual_floppy"
fi
|
