Improved smb code

This commit is contained in:
Alexandre
2023-10-02 21:33:02 +02:00
committed by GitHub
parent 574631c5ef
commit 9b36f6b40b

View File

@@ -5,19 +5,23 @@
####################
# MOUNT SMB SHARES #
####################
if bashio::config.has_value 'networkdisks'; then
echo 'Mounting smb share(s)...'
# Define variables
####################
# Define variables #
####################
# Set variables
MOREDISKS=$(bashio::config 'networkdisks')
CIFS_USERNAME=$(bashio::config 'cifsusername')
CIFS_PASSWORD=$(bashio::config 'cifspassword')
USERNAME=$(bashio::config 'cifsusername')
PASSWORD=$(bashio::config 'cifspassword')
SMBVERS=""
SMBDEFAULT=""
SECVERS=""
CHARSET=""
DOMAINVAR=""
CHARSET=",iocharset=utf8"
# Clean data
MOREDISKS=${MOREDISKS// \/\//,\/\/}
@@ -28,8 +32,10 @@ if bashio::config.has_value 'networkdisks'; then
if bashio::config.has_value 'cifsdomain'; then
echo "... using domain $(bashio::config 'cifsdomain')"
DOMAIN=",domain=$(bashio::config 'cifsdomain')"
DOMAINCLIENT=",--workgroup=$(bashio::config 'cifsdomain')"
else
DOMAIN=""
DOMAINCLIENT=""
fi
# Is UID/GID set
@@ -42,7 +48,10 @@ if bashio::config.has_value 'networkdisks'; then
PGID=",gid=$(id -g)"
fi
# Mounting disks
##################
# Mounting disks #
##################
# shellcheck disable=SC2086
for disk in ${MOREDISKS//,/ }; do # Separate comma separated values
@@ -54,93 +63,87 @@ if bashio::config.has_value 'networkdisks'; then
diskname="${diskname##*/}" # Get only last part of the name
MOUNTED=false
# Start
echo "... mounting $disk"
# Data validation
if [[ ! "$disk" =~ ^.*+[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+[/]+.*+$ ]]; then
bashio::log.fatal "The structure of your \"networkdisks\" option : \"$disk\" doesn't seem correct, please use a structure like //123.12.12.12/sharedfolder,//123.12.12.12/sharedfolder2. If you don't use it, you can simply remove the text, this will avoid this error message in the future."
break 2
bashio::log.fatal "... the structure of your \"networkdisks\" option : \"$disk\" doesn't seem correct, please use a structure like //123.12.12.12/sharedfolder,//123.12.12.12/sharedfolder2. If you don't use it, you can simply remove the text, this will avoid this error message in the future."
continue
fi
# Prepare mount point
mkdir -p /mnt/"$diskname"
chown root:root /mnt/"$diskname"
# Extract ip part of server for further manipulation
server="$(echo "$disk" | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")"
# Does server exists
if command -v "nc" &>/dev/null; then
# test if smb port is open
if ! nc -w 1 -z "$server" 445 2>/dev/null; then
# test with ping also if different port is used
echo "... warning : SMB port not opened, trying ping"
if ! ping -w 1 -c 1 "$server" >/dev/null; then
# Try smbclient (last as slowest)
echo "... warning : ping not successful, trying smbclient"
if ! smbclient -t 1 -L "$server" -N &>/dev/null; then
bashio::log.fatal "... your server $server from $disk doesn't seem reachable, script will stop"
break
fi
fi
fi
fi
# Quickly try to mount with defaults
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$CIFS_USERNAME,password=${CIFS_PASSWORD},nobrl$SMBVERS$SECVERS$PUID$PGID$CHARSET$DOMAINVAR" "$disk" /mnt/"$diskname" 2>ERRORCODE \
&& MOUNTED=true && MOUNTOPTIONS="$SMBVERS$SECVERS$PUID$PGID$CHARSET$DOMAINVAR" || MOUNTED=false
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$USERNAME,password=${PASSWORD},nobrl$SMBVERS$SECVERS$PUID$PGID$CHARSET$DOMAIN" "$disk" /mnt/"$diskname" 2>ERRORCODE \
&& MOUNTED=true && MOUNTOPTIONS="$SMBVERS$SECVERS$PUID$PGID$CHARSET$DOMAIN" || MOUNTED=false
# Deeper analysis if failed
if [ "$MOUNTED" = false ]; then
# Detect smb version
# Try smbv1
if smbclient -t 2 -L "$server" -m NT1 -N &>/dev/null; then
echo "... only SMBv1 is supported, trying it"
SMBDEFAULT=",vers=1.0"
fi
# Extract ip part of server for further manipulation
server="$(echo "$disk" | grep -E -o "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+")"
# Detect sec vers
# Does server exists
echo "... testing that $server is reachable"
output="$(nmap -F $server -T5 -oG -)"
if ! echo "$output" | grep 445/open &>/dev/null; then
if echo "$output" | grep /open &>/dev/null; then
if ! smbclient -t 1 -L "$server" -N "$DOMAINCLIENT" &>/dev/null; then
bashio::log.fatal "... fatal : $server is reachable but SMB port not opened, stopping script"
continue
else
bashio::warning "... fatal : $server not reachable but SMB connects, you have strange security in place"
fi
else
bashio::log.fatal "... fatal : $server not reachable, is it correct"
continue
fi
fi
# if Fail test different smb and sec versions
echo "... looking for the optimal parameters for mounting"
if [ "$MOUNTED" = false ]; then
# Are credentials correct
echo "... testing credentials"
if ! smbclient -t 2 -L $disk -U $USERNAME%$PASSWORD "$DOMAINCLIENT" &>/dev/null; then
bashio::log.fatal "Incorrect Username or Password! Script will stop."
continue
fi
# Test with domain, remove otherwise
####################################
for DOMAINVAR in "$DOMAIN" ",domain=WORKGROUP" ""; do
# Should there be a workgroup
echo "... testing credentials"
if ! smbclient -t 2 -L $disk -N "$DOMAINCLIENT" &>/dev/null; then
bashio::log.fatal "A workgroup must perhaps be specified"
continue
fi
# Test with PUIDPGID, remove otherwise
######################################
for PUIDPGID in "$PUID$PGID" "$PUID$PGID,forceuid,forcegid" ""; do
# What is the SMB version
echo "... detecting SMB version"
# Extracting SMB versions and normalize output
SMBVERS="$(nmap --script smb-protocols "$server" -p 445 2>1 | awk '/ [0-9]/' | awk '{print $NF}' | cut -c -3 | sort -V | tail -n 1 || true)"
# Manage output
if [ -n "$SMBVERS" ]; then
echo "... SMB version $SMBVERS detected"
SMBVERS=",vers=$SMBVERS"
elif smbclient -t 2 -L "$server" -m NT1 -N "$DOMAINCLIENT" &>/dev/null; then
echo "... only SMBv1 is supported, this can lead to issues"
SECVERS=",sec=ntlm"
SMBVERS=",vers=1.0"
else
echo "... couldn't detect, default used"
SMBVERS=""
fi
# Test with iocharset utf8, remove otherwise
############################################
for CHARSET in ",iocharset=utf8" ""; do
# Test with different SMB versions
##################################
for SMBVERS in "$SMBDEFAULT" ",vers=3" ",vers=3.2" ",vers=3.0" ",vers=2.1" ",nodfs"; do
# Test with different security versions
#######################################
for SECVERS in "" ",sec=ntlmv2" ",sec=ntlm" ",sec=ntlmv2i" ",sec=ntlmssp" ",sec=ntlmsspi" ",sec=krb5i" ",sec=krb5"; do
if [ "$MOUNTED" = false ]; then
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$CIFS_USERNAME,password=${CIFS_PASSWORD},nobrl$SMBVERS$SECVERS$PUIDPGID$CHARSET$DOMAINVAR" "$disk" /mnt/"$diskname" 2>ERRORCODE \
&& MOUNTED=true && MOUNTOPTIONS="$SMBVERS$SECVERS$PUIDPGID$CHARSET$DOMAINVAR" || MOUNTED=false
fi
done
done
done
done
done
fi
fi
# Test with different security versions
#######################################
for SECVERS in "" ",sec=ntlmv2" ",sec=ntlm" ",sec=ntlmv2i" ",sec=ntlmssp" ",sec=ntlmsspi" ",sec=krb5i" ",sec=krb5"; do
if [ "$MOUNTED" = false ]; then
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$USERNAME,password=${PASSWORD},nobrl$SMBVERS$SECVERS$PUIDPGID$CHARSET$DOMAIN" "$disk" /mnt/"$diskname" 2>ERRORCODE \
&& MOUNTED=true && MOUNTOPTIONS="$SMBVERS$SECVERS$PUIDPGID$CHARSET$DOMAIN" || MOUNTED=false
fi
done
fi
# Messages
if [ "$MOUNTED" = true ] && mountpoint -q /mnt/"$diskname"; then
@@ -153,7 +156,7 @@ if bashio::config.has_value 'networkdisks'; then
# Test for serverino
# shellcheck disable=SC2015
touch "/mnt/$diskname/testaze" && mv "/mnt/$diskname/testaze" "/mnt/$diskname/testaze2" && rm "/mnt/$diskname/testaze2" ||
(umount "/mnt/$diskname" && mount -t cifs -o "iocharset=utf8,rw,file_mode=0775,dir_mode=0775,username=$CIFS_USERNAME,password=${CIFS_PASSWORD}$MOUNTOPTIONS,noserverino" "$disk" /mnt/"$diskname" && bashio::log.warning "noserverino option used")
(umount "/mnt/$diskname" && mount -t cifs -o "iocharset=utf8,rw,file_mode=0775,dir_mode=0775,username=$USERNAME,password=${PASSWORD}$MOUNTOPTIONS,noserverino" "$disk" /mnt/"$diskname" && bashio::log.warning "noserverino option used")
# Alert if smbv1
if [[ "$MOUNTOPTIONS" == *"1.0"* ]]; then
@@ -164,14 +167,14 @@ if bashio::config.has_value 'networkdisks'; then
else
# Mounting failed messages
bashio::log.fatal "Error, unable to mount $disk to /mnt/$diskname with username $CIFS_USERNAME, $CIFS_PASSWORD. Please check your remote share path, username, password, domain, try putting 0 in UID and GID"
bashio::log.fatal "Error, unable to mount $disk to /mnt/$diskname with username $USERNAME, $PASSWORD. Please check your remote share path, username, password, domain, try putting 0 in UID and GID"
bashio::log.fatal "Here is some debugging info :"
# Provide debugging info
smbclient -t 5 -L $disk -U "$CIFS_USERNAME%$CIFS_PASSWORD"
smbclient -t 5 -L $disk -U "$USERNAME%$PASSWORD"
# Error code
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$CIFS_USERNAME,password=${CIFS_PASSWORD},nobrl$DOMAINVAR" "$disk" /mnt/"$diskname" 2>ERRORCODE || MOUNTED=false
mount -t cifs -o "rw,file_mode=0775,dir_mode=0775,username=$USERNAME,password=${PASSWORD},nobrl$DOMAIN" "$disk" /mnt/"$diskname" 2>ERRORCODE || MOUNTED=false
bashio::log.fatal "Error read : $(<ERRORCODE), addon will stop in 1 min"
rm ERRORCODE*