fix: Unbound USB variable (#1860)

src/install.sh

@@ -204,8 +204,7 @@ finishInstall() {
 
   if [[ "$iso" == "$STORAGE/"* ]]; then
     if ! setOwner "$iso"; then
-      error "Failed to set the owner for \"$iso\" !"
-      return 1
+      warn "failed to set the owner for \"$iso\" !"
     fi
   fi
 
@@ -221,8 +220,7 @@ finishInstall() {
   cp -f /etc/version "$file" || return 1
 
   if ! setOwner "$file"; then
-    error "Failed to set the owner for \"$file\" !"
-    return 1
+    warn "Failed to set the owner for \"$file\" !"
   fi
 
   if [[ "$iso" == "$STORAGE/"* ]]; then
@@ -1261,8 +1259,7 @@ buildImage() {
   mv -f "$out" "$BOOT" || return 1
 
   if ! setOwner "$BOOT"; then
-    error "Failed to set the owner for \"$BOOT\" !"
-    return 1
+    warn "Failed to set the owner for \"$BOOT\" !"
   fi
 
   return 0

src/mido.sh

@@ -5,46 +5,85 @@ handleCurlError() {
 
   local code="$1"
   local server="$2"
+  local reason="${3:-}"
+  local signal=""
+
+  if [ -n "$reason" ] && (( code <= 125 )); then
+    error "Request to $server servers failed: ${reason%.}."
+    return 1
+  fi
 
   case "$code" in
-    1) error "Unsupported protocol!" ;;
-    2) error "Failed to initialize curl!" ;;
-    3) error "The URL format is malformed!" ;;
-    5) error "Failed to resolve address of proxy host!" ;;
-    6) error "Failed to resolve $server servers! Is there an Internet connection?" ;;
-    7) error "Failed to contact $server servers! Is there an Internet connection or is the server down?" ;;
-    8) error "$server servers returned a malformed HTTP response!" ;;
-    16) error "A problem was detected in the HTTP2 framing layer!" ;;
-    22) error "$server servers returned a failing HTTP status code!" ;;
-    23) error "Failed at writing Windows media to disk! Out of disk space or permission error?" ;;
-    26) error "Failed to read Windows media from disk!" ;;
-    27) error "Ran out of memory during download!" ;;
-    28) error "Connection timed out to $server server!" ;;
-    35) error "SSL connection error from $server server!" ;;
-    36) error "Failed to continue earlier download!" ;;
-    52) error "Received no data from the $server server!" ;;
-    63) error "$server servers returned an unexpectedly large response!" ;;
-    126) error "Curl command cannot be executed!" ;;
-    127) error "Curl command not found!" ;;
+    126) error "The curl command could not be executed." ;;
+    127) error "The curl command was not found." ;;
     *)
-      if (( code <= 125 )); then
-        # Must be some other server or network error (possibly with this specific request/file)
-        # This is when accounting for all possible errors in the curl manual assuming a correctly formed
-        # curl command and an HTTP(S) request, using only the curl features we're using, and a sane build.
-        error "Miscellaneous server or network error, reason: $code"
-      else
-        case "$(kill -l "$code" 2>/dev/null || true)" in
-          INT) error "Curl was interrupted!" ;;
-          SEGV | ABRT) error "Curl crashed! Please report any core dumps to curl developers." ;;
-          *) error "Curl terminated due to fatal signal $code !" ;;
-        esac
+      if (( code < 129 )); then
+        error "Request to $server servers failed with curl exit status $code."
+        return 1
       fi
+
+      signal=$(kill -l "$((code - 128))" 2>/dev/null || true)
+
+      case "$signal" in
+        INT) error "Curl was interrupted." ;;
+        SEGV | ABRT) error "Curl crashed with signal $signal." ;;
+        "") error "Curl terminated with exit status $code." ;;
+        *) error "Curl terminated due to signal $signal." ;;
+      esac
       ;;
   esac
 
   return 1
 }
 
+curlRequest() {
+
+  local output="$1"
+  local server="$2"
+  local agent="$3"
+  shift 3
+
+  local log reason 
+  local rc=0 response=""
+
+  if ! log=$(mktemp); then
+    error "Failed to create a temporary curl log."
+    return 1
+  fi
+
+  {
+    response=$(LC_ALL=C curl \
+      --silent \
+      --show-error \
+      --max-time 30 \
+      --user-agent "$agent" \
+      --fail \
+      --proto =https \
+      --tlsv1.2 \
+      --http1.1 \
+      "$@" 2>"$log")
+    rc=$?
+  } || :
+
+  if (( rc != 0 )); then
+
+    reason=$(sed -nE 's/^curl: \([0-9]+\) //p' "$log" | tail -n 1)
+    
+    rm -f "$log"
+    handleCurlError "$rc" "$server" "$reason"
+
+    return 1
+  fi
+
+  rm -f "$log"
+
+  if [ -n "$output" ]; then
+    printf -v "$output" '%s' "$response"
+  fi
+
+  return 0
+}
+
 getAgent() {
 
   local browser_version
@@ -62,15 +101,14 @@ downloadWindows() {
   local lang="$2"
   local desc="$3"
 
-  local rc=0
   local ovToken="" ovTicks="" ovTime=""
   local skuId="" skuUrl="" skuJson=""
   local linkUrl="" linkJson="" link=""
-  local language="" orgId=""
-  local instance="" vlsUrl="" ovUrl="" ovData=""
+  local language="" orgId="" ovData=""
+  local instance="" vlsUrl="" ovUrl=""
   local session="" agent="" type=""
   local winVer="" page="" productId=""
-  local profile="606624d44113"
+  local rc=0 profile="606624d44113"
 
   agent=$(getAgent)
   language=$(getLanguage "$lang" "name")
@@ -102,10 +140,11 @@ downloadWindows() {
   # Also, keeping a "$WindowsVersions" array like Fido does would be way too much of a maintenance burden
   # Remove "Accept" header that curl sends by default
   enabled "$DEBUG" && echo "Parsing download page: ${url}"
-  page=$(curl --silent --max-time 30 --user-agent "$agent" --header "Accept:" --max-filesize 1M --fail --proto =https --tlsv1.2 --http1.1 -- "$url") || {
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+
+  curlRequest page "Microsoft" "$agent" \
+    --header "Accept:" \
+    --max-filesize 1M \
+    -- "$url" || return 1
 
   enabled "$DEBUG" && echo -n "Getting Product edition ID: "
   productId=$(echo "$page" | grep -Eo '<option value="[0-9]+">Windows' | cut -d '"' -f 2 | head -n 1 | tr -cd '0-9' | head -c 16)
@@ -124,11 +163,11 @@ downloadWindows() {
   enabled "$DEBUG" && echo "Getting Session ID: $session"
 
   # Permit Session ID
-  curl --silent --max-time 30 --output /dev/null --user-agent "$agent" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$vlsUrl" || {
-    # This should only happen if there's been some change to how this API works
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+  curlRequest "" "Microsoft" "$agent" \
+    --output /dev/null \
+    --header "Accept:" \
+    --max-filesize 100K \
+    -- "$vlsUrl" || return 1
 
   # Microsoft download "protection" also requires an ov-df.microsoft.com request/reply
   # 1) Request mdt.js to get w and rticks. InstanceId is (currently) constant.
@@ -138,10 +177,10 @@ downloadWindows() {
 
   enabled "$DEBUG" && echo -n "Getting OV data: "
 
-  ovData=$(curl --silent --max-time 30 --user-agent "$agent" --header "Accept:" --max-filesize 1M --fail --proto =https --tlsv1.2 --http1.1 -- "$ovUrl") || {
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+  curlRequest ovData "Microsoft" "$agent" \
+    --header "Accept:" \
+    --max-filesize 1M \
+    -- "$ovUrl" || return 1
 
   if [[ $ovData =~ [\?\&]w=([A-Fa-f0-9]+) ]]; then
     ovToken="${BASH_REMATCH[1]}"
@@ -167,19 +206,21 @@ downloadWindows() {
 
   enabled "$DEBUG" && echo "Sending OV reply: $instance"
 
-  curl --silent --max-time 30 --output /dev/null --user-agent "$agent" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$ovUrl" || {
-    # This should only happen if there's been some change to how this API works
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+  curlRequest "" "Microsoft" "$agent" \
+    --output /dev/null \
+    --header "Accept:" \
+    --max-filesize 100K \
+    -- "$ovUrl" || return 1
 
   enabled "$DEBUG" && echo -n "Getting language SKU ID: "
 
   skuUrl="https://www.microsoft.com/software-download-connector/api/getskuinformationbyproductedition?profile=$profile&ProductEditionId=$productId&SKU=undefined&friendlyFileName=undefined&Locale=en-US&sessionID=$session"
-  skuJson=$(curl --silent --max-time 30 --request GET --user-agent "$agent" --referer "$url" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$skuUrl") || {
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+
+  curlRequest skuJson "Microsoft" "$agent" \
+    --referer "$url" \
+    --header "Accept:" \
+    --max-filesize 100K \
+    -- "$skuUrl" || return 1
 
   { skuId=$(echo "$skuJson" | jq --arg LANG "$language" -r '.Skus[] | select(.Language==$LANG).Id') 2>/dev/null; rc=$?; } || :
 
@@ -196,10 +237,12 @@ downloadWindows() {
   # If any request is going to be blocked by Microsoft it's always this last one (the previous requests always seem to succeed)
 
   linkUrl="https://www.microsoft.com/software-download-connector/api/GetProductDownloadLinksBySku?profile=$profile&ProductEditionId=undefined&SKU=$skuId&friendlyFileName=undefined&Locale=en-US&sessionID=$session"
-  linkJson=$(curl --silent --max-time 30 --request GET --user-agent "$agent" --referer "$url" --header "Accept:" --max-filesize 100K --fail --proto =https --tlsv1.2 --http1.1 -- "$linkUrl") || {
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+
+  curlRequest linkJson "Microsoft" "$agent" \
+    --referer "$url" \
+    --header "Accept:" \
+    --max-filesize 100K \
+    -- "$linkUrl" || return 1
 
   if ! [ "$linkJson" ]; then
     # This should only happen if there's been some change to how this API works
@@ -279,10 +322,11 @@ downloadWindowsEval() {
   local url="https://www.microsoft.com/en-us/evalcenter/download-$winVer"
 
   enabled "$DEBUG" && echo "Parsing download page: ${url}"
-  page=$(curl --silent --max-time 30 --user-agent "$agent" --location --max-filesize 1M --fail --proto =https --tlsv1.2 --http1.1 -- "$url") || {
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+
+  curlRequest page "Microsoft" "$agent" \
+    --location \
+    --max-filesize 1M \
+    -- "$url" || return 1
 
   if ! [ "$page" ]; then
     # This should only happen if there's been some change to where this download page is located
@@ -346,11 +390,12 @@ downloadWindowsEval() {
   # Follow redirect so proceeding log message is useful
   # This is a request we make that Fido doesn't
 
-  link=$(curl --silent --max-time 30 --user-agent "$agent" --location --output /dev/null --silent --write-out "%{url_effective}" --head --fail --proto =https --tlsv1.2 --http1.1 -- "$link") || {
-    # This should only happen if the Microsoft servers are down
-    handleCurlError "$?" "Microsoft"
-    return $?
-  }
+  curlRequest link "Microsoft" "$agent" \
+    --location \
+    --output /dev/null \
+    --write-out "%{url_effective}" \
+    --head \
+    -- "$link" || return 1
 
   case "${PLATFORM,,}" in
     "x64" )
@@ -523,13 +568,12 @@ getESD() {
   local version="$2"
   local lang="$3"
   local desc="$4"
-  local rc=0
   local file result culture
   local language edition catalog
   local xmlFile="products.xml"
   local esdFile="esd_edition.xml"
   local filterFile="products_filter.xml"
-  local query
+  local log query rc=0 reason=""
 
   file=$(getCatalog "$version" "file")
   catalog=$(getCatalog "$version" "url")
@@ -551,13 +595,36 @@ getESD() {
     return 1
   fi
 
-  { wget "$catalog" -O "$dir/$file" -q --timeout=30 --no-http-keep-alive; rc=$?; } || :
+  log=$(mktemp)
 
-  msg="Failed to download $catalog"
-  (( rc == 3 )) && error "$msg , cannot write file (disk full?)" && return 1
-  (( rc == 4 )) && error "$msg , network failure!" && return 1
-  (( rc == 8 )) && error "$msg , server issued an error response!" && return 1
-  (( rc != 0 )) && error "$msg , reason: $rc" && return 1
+  {
+    LC_ALL=C wget "$catalog" -O "$dir/$file" --no-verbose --timeout=30 \
+      --no-http-keep-alive --output-file="$log"
+    rc=$?
+  } || :
+
+  if (( rc != 0 )); then
+
+    reason=$(sed -n \
+      -e 's/^wget: //p' \
+      -e 's/^[0-9-]\{10\} [0-9:]\{8\} ERROR //p' \
+      "$log" | tail -n 1)
+
+    msg="Failed to download $catalog"
+
+    if (( rc == 3 )); then
+      error "$msg because the file could not be written (disk full?)."
+    elif [ -n "$reason" ]; then
+      error "$msg: ${reason%.}."
+    else
+      error "$msg with exit status $rc."
+    fi
+
+    rm -f "$log"
+    return 1
+  fi
+
+  rm -f "$log"
 
   if [[ "$file" == *".xml" ]]; then
 
@@ -703,8 +770,10 @@ downloadFile() {
   local size="$4"
   local lang="$5"
   local desc="$6"
+  local reason=""
   local msg="Downloading $desc"
-  local rc total total_gb progress domain dots agent space folder
+  local rc total total_gb progress log
+  local domain dots agent space folder
 
   agent=$(getAgent)
 
@@ -740,12 +809,27 @@ downloadFile() {
   fi
 
   info "$msg..."
+  log=$(mktemp)
   enabled "$DEBUG" && echo "Downloading: $url"
 
-  { wget "$url" -O "$iso" --continue -q --timeout=30 --no-http-keep-alive --user-agent "$agent" --show-progress "$progress"; rc=$?; } || :
+  {
+    LC_ALL=C wget "$url" -O "$iso" --continue --no-verbose --timeout=30 \
+      --no-http-keep-alive --user-agent "$agent" --show-progress "$progress" \
+      --output-file="$log"
+    rc=$?
+  } || :
 
   fKill "progress.sh"
 
+  if (( rc != 0 )); then
+    reason=$(sed -n \
+      -e 's/^wget: //p' \
+      -e 's/^[0-9-]\{10\} [0-9:]\{8\} ERROR //p' \
+      "$log" | tail -n 1)
+  fi
+
+  rm -f "$log"
+
   if (( rc == 0 )) && [ -f "$iso" ]; then
 
     if ! total=$(stat -c%s "$iso"); then
@@ -769,11 +853,15 @@ downloadFile() {
   fi
 
   msg="Failed to download $url"
-  (( rc == 3 )) && error "$msg , cannot write file (disk full?)" && return 1
-  (( rc == 4 )) && error "$msg , network failure!" && return 1
-  (( rc == 8 )) && error "$msg , server issued an error response! Please report this at $SUPPORT/issues" && return 1
 
-  error "$msg , reason: $rc"
+  if (( rc == 3 )); then
+    error "$msg because the file could not be written (disk full?)."
+  elif [ -n "$reason" ]; then
+    error "$msg: ${reason%.}."
+  else
+    error "$msg with exit status $rc."
+  fi
+
   return 1
 }
 

src/power.sh

@@ -152,8 +152,16 @@ markWindowsBooted() {
   # Remove CD-ROM ISO after install
   ! ready && return 0
 
-  touch "$file"
-  ! setOwner "$file" && error "Failed to set the owner for \"$file\" !"
+  if ! touch "$file"; then
+    warn "failed to create Windows installation marker!"
+    return 0
+  fi
+
+  if ! setOwner "$file"; then
+    rm -f "$file"
+    warn "failed to set the owner for \"$file\" !"
+    return 0
+  fi
 
   if ! disabled "$REMOVE"; then
     rm -f "$BOOT" 2>/dev/null || true

src/samba.sh

@@ -3,15 +3,16 @@ set -Eeuo pipefail
 
 : "${SAMBA:="Y"}"         # Enable Samba
 : "${SAMBA_DEBUG:="N"}"   # Disable debug
-
-tmp="/tmp/smb"
-rm -rf "$tmp"
+: "${SAMBA_CONFIG:="/etc/samba/smb.conf"}"
 
 DDN_PID="/var/run/wsdd.pid"
 NMB_PID="/var/run/samba/nmbd.pid"
 SMB_PID="/var/run/samba/smbd.pid"
 
-rm -f "$SMB_PID" "$NMB_PID" "$DDN_PID"
+if ! rm -f "$SMB_PID" "$NMB_PID" "$DDN_PID"; then
+  error "Failed to clean Samba PID files!"
+  return 0
+fi
 
 disabled "$SAMBA" && return 0
 disabled "$NETWORK" && return 0
@@ -19,23 +20,23 @@ disabled "$NETWORK" && return 0
 configureNetwork() {
 
   if enabled "$DHCP"; then
-    socket="$UPLINK"
+
     hostname="$UPLINK"
     interfaces="$DEV"
+
+    return 0
+  fi
+
+  hostname="host.lan"
+
+  if isUserMode; then
+    interfaces="lo"
   else
-    hostname="host.lan"
+    interfaces="$BRIDGE"
+  fi
 
-    if isUserMode; then
-      interfaces="lo"
-      socket="127.0.0.1"
-    else
-      socket="$IP"
-      interfaces="$BRIDGE"
-    fi
-
-    if [ -n "${SAMBA_INTERFACE:-}" ]; then
-      interfaces+=",$SAMBA_INTERFACE"
-    fi
+  if [ -n "${SAMBA_INTERFACE:-}" ]; then
+    interfaces+=",$SAMBA_INTERFACE"
   fi
 
   return 0
@@ -46,25 +47,29 @@ writeReadme() {
   local dir="$1"
   local ref="$2"
 
-  {   echo "--------------------------------------------------------"
-      echo " $APP for $ENGINE v$(</etc/version)..."
-      echo " For support visit $SUPPORT"
-      echo "--------------------------------------------------------"
-      echo ""
-      echo "Using this folder you can exchange files with the host machine."
-      echo ""
-      echo "To select a folder on the host for this purpose, include the following bind mount in your compose file:"
-      echo ""
-      echo "  volumes:"
-      echo "    - \"./example:${ref}\""
-      echo ""
-      echo "Or in your run command:"
-      echo ""
-      echo "  -v \"\${PWD:-.}/example:${ref}\""
-      echo ""
-      echo "Replace the example path ./example with your desired shared folder, which then will become visible here."
-      echo ""
-  } | unix2dos > "$dir/readme.txt"
+  if ! {
+    echo "--------------------------------------------------------"
+    echo " $APP for $ENGINE v$(</etc/version)..."
+    echo " For support visit $SUPPORT"
+    echo "--------------------------------------------------------"
+    echo ""
+    echo "Using this folder you can exchange files with the host machine."
+    echo ""
+    echo "To select a folder on the host for this purpose, include the following bind mount in your compose file:"
+    echo ""
+    echo "  volumes:"
+    echo "    - \"./example:${ref}\""
+    echo ""
+    echo "Or in your run command:"
+    echo ""
+    echo "  -v \"\${PWD:-.}/example:${ref}\""
+    echo ""
+    echo "Replace the example path ./example with your desired shared folder, which then will become visible here."
+    echo ""
+  } | unix2dos > "$dir/readme.txt"; then
+    error "Failed to write shared folder readme!"
+    return 1
+  fi
 
   return 0
 }
@@ -77,6 +82,7 @@ addShare() {
   local comment="$4"
   local cfg="$5"
   local owner=""
+  local tmp="/tmp/smb"
 
   if [ ! -d "$dir" ]; then
     if ! mkdir -p "$dir"; then
@@ -85,13 +91,13 @@ addShare() {
   fi
 
   if ! ls -A "$dir" >/dev/null 2>&1; then
-    msg="No permission to access shared folder ($dir)."
+    local msg="No permission to access shared folder ($dir)."
     msg+=" If SELinux is active, you need to add the \":Z\" flag to the bind mount."
     error "$msg" && return 1
   fi
 
   if [ ! -w "$dir" ]; then
-    msg="shared folder ($dir) is not writeable!"
+    local msg="shared folder ($dir) is not writeable!"
     warn "$msg"
   fi
 
@@ -136,40 +142,50 @@ addShare() {
 
 writeConfig() {
 
-  {   echo "[global]"
-      echo "    server string = Dockur"
-      echo "    netbios name = $hostname"
-      echo "    workgroup = WORKGROUP"
-      echo "    interfaces = $interfaces"
-      echo "    bind interfaces only = yes"
-      echo "    socket address = $socket"
-      echo "    security = user"
-      echo "    guest account = nobody"
-      echo "    map to guest = Bad User"
-      echo "    server min protocol = NT1"
-      echo "    follow symlinks = yes"
-      echo "    wide links = yes"
-      echo "    unix extensions = no"
-      echo "    inherit owner = yes"
-      echo "    create mask = 0666"
-      echo "    directory mask = 02777"
-      echo "    force user = root"
-      echo "    force group = root"
-      echo "    force create mode = 0666"
-      echo "    force directory mode = 02777"
-      echo ""
-      echo "    # Disable printing services"
-      echo "    load printers = no"
-      echo "    printing = bsd"
-      echo "    printcap name = /dev/null"
-      echo "    disable spoolss = yes"
-  } > "$SAMBA_CONFIG"
+  if ! {
+    echo "[global]"
+    echo "    server string = Dockur"
+    echo "    netbios name = $hostname"
+    echo "    workgroup = WORKGROUP"
+    echo "    interfaces = $interfaces"
+    echo "    bind interfaces only = yes"
+    echo "    security = user"
+    echo "    guest account = nobody"
+    echo "    map to guest = Bad User"
+    echo "    server min protocol = NT1"
+    echo "    follow symlinks = yes"
+    echo "    wide links = yes"
+    echo "    unix extensions = no"
+    echo "    inherit owner = yes"
+    echo "    create mask = 0666"
+    echo "    directory mask = 02777"
+    echo "    force user = root"
+    echo "    force group = root"
+    echo "    force create mode = 0666"
+    echo "    force directory mode = 02777"
+    echo ""
+    echo "    # Disable printing services"
+    echo "    load printers = no"
+    echo "    printing = bsd"
+    echo "    printcap name = /dev/null"
+    echo "    disable spoolss = yes"
+  } > "$SAMBA_CONFIG"; then
+    error "Failed to write Samba config \"$SAMBA_CONFIG\" !"
+    return 1
+  fi
 
   return 0
 }
 
 selectPrimaryShare() {
 
+  local tmp="/tmp/smb"
+
+  if ! rm -rf "$tmp"; then
+    error "Failed to clean temporary Samba folder!"
+    return 1
+  fi
+
   share="/shared"
   [ ! -d "$share" ] && [ -d "$STORAGE/shared" ] && share="$STORAGE/shared"
   [ ! -d "$share" ] && [ -d "/data" ] && share="/data"
@@ -227,7 +243,7 @@ startDaemon() {
   local log="$2"
   shift 2
 
-  rm -f "$log"
+  rm -f "$log" || :
 
   if ! "$@"; then
     SAMBA_DEBUG="Y"
@@ -269,30 +285,29 @@ startWsddn() {
   return 0
 }
 
-configureNetwork
+configureNetwork || return 0
 
 html "Initializing shared folder..."
-SAMBA_CONFIG="/etc/samba/smb.conf"
 enabled "$DEBUG" && echo "Starting Samba daemon..."
 
-writeConfig || return 1
+writeConfig || return 0
 
 # Add shared folders
-selectPrimaryShare
-! addShare "$share" "/shared" "Data" "Shared" "$SAMBA_CONFIG" && return 0
+selectPrimaryShare || return 0
 
-addOptionalShare "2"
-addOptionalShare "3"
+addShare "$share" "/shared" "Data" "Shared" "$SAMBA_CONFIG" || return 0
+addOptionalShare "2" || :
+addOptionalShare "3" || :
 
-prepareSambaDirs || return 1
-startSamba
+prepareSambaDirs || return 0
 
+startSamba || return 0
 isUserMode && return 0
 
 if [[ "${BOOT_MODE:-}" == "windows_legacy" ]]; then
-  startNetbios
+  startNetbios || :
 else
-  startWsddn
+  startWsddn || :
 fi
 
 return 0