linux-scripts/remote-admin.sh

92 lines
2.3 KiB
Bash
Executable file

#!/bin/bash
# Enhanced remote-admin connection script
# Checks for free remote-admin PC via SMB share and launches RDP connection
AMPEL_MOUNT="/tmp/remote-ampel"
SHARE="//cluster-ho/Ampel"
SMB_CRED="$HOME/.smbcredentials"
RDP_CRED="$HOME/.remote-admin"
FSTAB_ENTRY="$SHARE $AMPEL_MOUNT cifs credentials=$SMB_CRED,user,noauto,workgroup=ZFD,dir_mode=0777,file_mode=0777,_netdev 0 0"
# Logging function
log() {
echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
}
ask_permission() {
read -p "$1 (y/n): " answer
[[ "$answer" =~ ^[Yy]$ ]]
}
# Trap for cleanup
cleanup() {
umount "$AMPEL_MOUNT" 2>/dev/null
log "Unmounted $AMPEL_MOUNT."
}
trap cleanup EXIT
# Check for credentials
if [ ! -f "$RDP_CRED" ]; then
log "$RDP_CRED not found! Please create it!"
exit 1
fi
if [ ! -f "$SMB_CRED" ]; then
log "$SMB_CRED not found! Please create it!"
exit 2
fi
# Source RDP credentials
source "$RDP_CRED"
# Detect FreeRDP
FREERDP_BIN=$(command -v xfreerdp || command -v wfreerdp)
if [ -z "$FREERDP_BIN" ]; then
log "No FreeRDP client found (xfreerdp or wfreerdp). Please install one."
exit 3
fi
# Check fstab entry
if ! grep -qs "$AMPEL_MOUNT" /etc/fstab; then
log "Fstab entry for $AMPEL_MOUNT not found."
if ask_permission "Shall I add the entry automatically?"; then
sudo bash -c "echo '$FSTAB_ENTRY' >> /etc/fstab"
log "Fstab entry added."
fi
fi
# Check mount.cifs permissions
if [ ! -u /usr/sbin/mount.cifs ]; then
log "mount.cifs is missing setuid bit."
if ask_permission "Shall I set it automatically?"; then
sudo chmod u+s /usr/sbin/mount.cifs
log "Setuid bit set on /usr/sbin/mount.cifs."
fi
fi
# Mount the share
mkdir -p "$AMPEL_MOUNT"
if grep -qs "$AMPEL_MOUNT" /proc/mounts; then
log "$AMPEL_MOUNT already mounted."
else
log "Mounting $AMPEL_MOUNT..."
if ! mount "$AMPEL_MOUNT"; then
log "Mount failed. Check share configuration."
exit 4
fi
log "Mount successful."
fi
# Search for free remote admin PC
sleep 1
for i in "$AMPEL_MOUNT"/*; do
[[ "$i" == *FREE* ]] || continue
RDP=$(basename "$i" | cut -f1,2 -d'-')
log "$RDP is free. Starting RDP session..."
"$FREERDP_BIN" /u:"$USERNAME" /p:"$PASSWORD" /v:"$RDP.zfd.forumzfd.de" /dynamic-resolution
log "Connection closed. Bye."
exit 0
done
log "No Remote-Admin is free. Try again later."
exit 0