API tools faq
paste
Advertisement
s243a

simplechroot (draft#2 - 4.31 Phoenix)

s243a
Mar 10th, 2021
1,026
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Bash 11.30 KB | None | 0 0
raw download clone embed print report
  1. #!/bin/bash
  2. set -x
  3. export LC_ALL=C
  4. CWD="$(realpath "$(dirname "${0%/*}")")"
  5. cd "$CWD"
  6.  
  7. EXTRA_SFS=(../Palemoon-portable_29.0.1.sfs ../devx_430.sfs)
  8.  
  9. Cont_Root=/mnt/cont
  10. #TODO: fix spelling of CONT_NAME_SOUCE
  11. CONT_NAME_SOUCE="" #These manes must have a length greater than 1 so as to exclude "/". I'll make this more general later
  12. CONT_NAME_DEST="puppy4_palemoon"
  13.  
  14. unset CHROOT_CMD; [ -z "$CHROOT_CMD" ] && CHROOT_CMD=/init_basic #/opt/PaleMoon-portable-v29.01/LAUNCH #defaultbrowser
  15. unset EXECUTE
  16. unset NO_EXIT
  17. unset Mount_PT_to_Del #                                                                                                                                                                                       xephyr-disp
  18. declare -a options="$(busybox getopt -o c:,e:,n: -l "chroot-command::,chroot-cmd::,cmd::,command::,no-exit::,source-subdir:,dest-subdir:,xephyr-disp::,use-unshare::" -- "$@")"
  19. #eval set --"$options_str"
  20. eval set --"$options"
  21. while [ $# -gt 0 ]; do
  22.  case "$1" in
  23.  --use-unshare)
  24.    if [ $# -lt 2 ] || [[ $2 = -* ]]; then
  25.      USE_UNSHAR=":2"
  26.      shift 1
  27.    else  
  28.      USE_UNSHAR="yes"
  29.      shift 2
  30.    fi
  31.    ;;  
  32.  --xephyr-disp)
  33.    if [ $# -lt 2 ] || [[ $2 !=  :* ]]; then
  34.      XephyrDISPLAY=":2"
  35.      shift 1
  36.    else  
  37.      XephyrDISPLAY="$2"
  38.      shift 2
  39.    fi
  40.    ;;
  41.  -c|--chroot-cmd|--chroot-command)
  42.    if [ $# -lt 2 ] || [[ $2 = -* ]]; then
  43.      CHROOT_CMD=( /bin/sh )
  44.      shift 1
  45.    else
  46.      CHROOT_CMD=( $2 )
  47.      shift 2
  48.    fi
  49.    [ -z ${EXECUTE+x} ] && EXECUTE=""
  50.    ;;
  51.  -e|--cmd|--command)
  52.    if [ $# -lt 2 ] || [[ $2 = -* ]]; then
  53.      EXECUTE=( /bin/sh )
  54.      shift 1
  55.    else
  56.      EXECUTE=( $2 )
  57.      shift 2
  58.    fi
  59.    [ -z ${CHROOT_CMD+x} ] && CHROOT_CMD=""
  60.    ;;
  61.  --source-subdir)
  62.    CONT_NAME_SOUCE="$2"
  63.    shift 2    
  64.    ;;
  65.  --dest-subdir)
  66.    CONT_NAME_DEST="$2"
  67.    shift 2
  68.    ;;    
  69.  --no-exit)
  70.    if [ $# -lt 2 ] || [[ $2 = 1* ]]; then
  71.      NO_EXIT=true
  72.      shift 1
  73.    else
  74.      NO_EXIT=$2
  75.      shift 2
  76.    fi
  77.    ;;
  78.  --)
  79.    shift
  80.    break
  81.    ;;
  82.  *)
  83.    shift
  84.    ;;
  85.  esac    
  86. done
  87. export CONT_NAME_DEST="$CONT_NAME_DEST"
  88. if [ -z ${NO_EXIT+x} ]; then
  89.  NO_EXIT=false
  90. fi
  91. if [ -z ${CHROOT_CMD+x} ] && [ -z ${EXECUTE+x} ]; then
  92.  CHROOT_CMD=( /bin/sh )
  93.  EXECUTE=""
  94. fi
  95. for a_pattern in 'puppy_.*[.]sfs' '.*iron.*[.]sfs' '.*chromium.*[.]sfs' '.*firefox.*[.]sfs'; do
  96.  SFS_NAME="$(ls -1 .. | grep -E "$a_pattern" | head -n 1 | sed -r 's#^[.][.]/##g' | sed -r 's#[.]sfs##g')"
  97.  [ ! -z "$SFS_NAME" ] && break
  98. done
  99. Parent_WD="$(realpath "$PWD/..")"
  100. SFS_PATH="$Parent_WD/$SFS_NAME".sfs
  101. SFS_PATH="$(realpath "$SFS_PATH")"
  102.  
  103. Mount_PT_ID="" #Don't edit this
  104. function umountall(){
  105.  set +x
  106. read -p "umountall(): Press enter to continue"
  107.  set -x
  108.  
  109.   umount -l /${CONT_NAME_DEST}/tmp/.X11-unix   
  110.  umount -l /${CONT_NAME_DEST}/dev/pts
  111.   umount -l /${CONT_NAME_DEST}/dev
  112.   umount -l /${CONT_NAME_DEST}/proc
  113.   umount -l /${CONT_NAME_DEST}/sys
  114.   umount -l "/$CONT_NAME_DEST"
  115.   umount -l "$Cont_TMPFS"
  116.   umount -l "${BIND_Target}"
  117.  for a_mp in "${EXTRA_SFS_MPS[@]}"; do
  118.    umount -l "$a_mp"
  119.  done
  120.  if [ -z ${Mount_PT_to_Del+x} ]; then
  121.    files_to_remove=("/${CONT_NAME_DEST}" "$Cont_TMPFS" "$BIND_Target_Root")
  122.  else
  123.    files_to_remove=("/${CONT_NAME_DEST}" "$Cont_TMPFS" "$Mount_PT_to_Del" "$BIND_Target_Root")
  124.  fi
  125.  for to_remove in "${files_to_remove[@]}"; do
  126.    to_remove="$(realpath "/${to_remove}")"
  127.    if [ -z "$(cat /proc/mounts | grep "${to_remove}")" ] &&
  128.       [ ${#to_remove} -gt 1 ]; then
  129.      rm -rf ${to_remove}
  130.    fi
  131.  done
  132.  
  133.  xhost -
  134. }
  135.  
  136. trap 'umountall' 1
  137.  
  138. if [ ! -e "/${CONT_NAME_DEST}" ] && [ ! -h "/${CONT_NAME_DEST}" ] || [ -z "$(ls -A "/${CONT_NAME_DEST}")" ]; then
  139.  mkdir -p /${CONT_NAME_DEST}
  140. else
  141.  cd /
  142.  CONT_NAME_DEST=$(mktemp -d ${CONT_NAME_DEST}.XXXXXXX)
  143. fi
  144.  
  145. append_mnt_id_awk='
  146. function get_mnt_id(mnt_pt,loop){
  147.  if (length(mnt_pt) > 0 && length(loop)>0){
  148.    cmd="cat /proc/self/mountinfo | sort | grep '" loop "' | grep " mnt_pt " | head -n 1"
  149.  } else if (length(mnt_pt) > 0){
  150.    cmd="cat /proc/self/mountinfo | sort | grep '" mnt_pt "' | head -n 1"
  151.  } else if (length(loop)>0){
  152.    cmd="cat /proc/self/mountinfo | sort | grep '" loop "' | head -n 1"
  153.  }
  154.  while ((cmd | getline )){
  155.    mnt_id=$1
  156.    break  
  157.  }
  158.  close(cmd)
  159.  return mnt_id
  160. }
  161. {
  162.  mnt_pt=$1
  163.  loop=$2
  164.  mnt_id=get_mnt_id(mnt_pt,loop)
  165.  print mnt_id "|" mnt_pt "|" loop
  166. }'
  167.  
  168. loop=$(losetup -a | grep  "$SFS_PATH"  | sed "s/:.*$//" )
  169. if [ ! -z "$loop" ]; then
  170.  #Mount_PT=$(findmnt -o TARGET,SOURCE -D -n | grep "${loop}\$" | cut -f1 -d' ')
  171.  Mount_PT="$(findmnt -o TARGET,SOURCE -D -n | grep "${loop}\$" | awk "$append_mnt_id_awk" | sort -t '|' -k1 | cut -d'|' -f2 | head -n 1)"
  172. fi
  173. if [ -z "$Mount_PT" ] || [ -z "$loop" ]; then
  174.  Mount_PT=${CHROOT_DIR:-/mnt/cont/sfs_img}
  175.  if [ -d "$Mount_PT" ]; then
  176.    echo "Directory is empty but exists: $Mount_PT" >&2
  177.  elif [ ! -z "$(ls -A "$Mount_PT")" ]; then
  178.    Mount_PT=$(mktemp -d -p "$Cont_Root" sfs_img.XXXXXXX)
  179.    Mount_PT_ID=".${Mount_PT##*.}"
  180.    mkdir -p "${Mount_PT}"
  181.  fi
  182.  mkdir -p "${Mount_PT}"
  183.  mount -o loop "$SFS_PATH" "$Mount_PT"
  184.  Mount_PT_to_Del=$Mount_PT
  185. fi
  186. #MNTPNT=${CHROOT_DIR:-/mnt/chroot-$SFS_NAME}
  187.  
  188. if [ ${#CONT_NAME_SOUCE} -le 1 ]; then
  189.  BIND_Source="${Mount_PT}"
  190. else
  191.  BIND_Source="${Mount_PT}/${CONT_NAME_SOUCE}"
  192. fi
  193. #mkdir -p "$BIND_Source"
  194.  
  195. BIND_Target_Root="$Cont_Root"/sfs__target${Mount_PT_ID}
  196. if [ ${#Mount_PT_ID} -gt 0 ]; then
  197.  BIND_Target_Root="$Cont_Root"/sfs__target${Mount_PT_ID}
  198. elif [ -z "$(ls -A "$BIND_Target_Root")" ]; then
  199.  BIND_Target_Root="$Cont_Root"/sfs__target
  200. else
  201. BIND_Target_Root=$(mktemp -d -p "$Cont_Root" sfs__target.XXXXXXX)
  202. fi
  203. mkdir -p "$BIND_Target_Root"
  204.  
  205. if [ ${#CONT_NAME_DEST} -gt 0 ]; then
  206.  BIND_Target=$BIND_Target_Root/${CONT_NAME_DEST}
  207. else
  208.  BIND_Target=$BIND_Target_Root
  209. fi
  210. mkdir -p "$BIND_Target"
  211.  
  212. if [ ${#Mount_PT_ID} -gt 0 ]; then
  213.  Cont_TMPFS="$Cont_Root"/tmpfs${Mount_PT_ID}
  214. elif [ -z "$(ls -A "${Cont_Root}/tmpfs")" ]; then
  215.  Cont_TMPFS="$Cont_Root"/tmpfs
  216. else
  217. Cont_TMPFS=$(mktemp -d -p "$Cont_Root" tmpfs.XXXXXXX)
  218. fi
  219. mkdir -p "$Cont_TMPFS"
  220. mount -t tmpfs none "$Cont_TMPFS"
  221. #mount -t tmpfs none $BIND_Target_Root;
  222. append_mnt_id_awk='
  223. function get_mnt_id(mnt_pt,loop){
  224.  if (length(mnt_pt) > 0 && length(loop)>0){
  225.    cmd="cat /proc/self/mountinfo | sort | grep '" loop "' | grep " mnt_pt " | head -n 1"
  226.  } else if (length(mnt_pt) > 0){
  227.    cmd="cat /proc/self/mountinfo | sort | grep '" mnt_pt "' | head -n 1"
  228.  } else if (length(loop)>0){
  229.    cmd="cat /proc/self/mountinfo | sort | grep '" loop "' | head -n 1"
  230.  }
  231.  while ((cmd | getline )){
  232.    mnt_id=$1
  233.    break  
  234.  }
  235.  close(cmd)
  236.  return mnt_id
  237. }
  238. {
  239.  mnt_pt=$1
  240.  loop=$2
  241.  mnt_id=get_mnt_id(mnt_pt,loop)
  242.  print mnt_id "|" mnt_pt "|" loop
  243. }'
  244. EXTRA_SFS_MPS=()
  245. for a_sfs_o in "${EXTRA_SFS[@]}"; do
  246.   a_sfs="$(realpath "$a_sfs_o")"
  247.   [ -z "$a_sfs" ] && a_sfs="$(realpath "../$a_sfs_o")"
  248.   [ -z "$a_sfs" ] && a_sfs=$(cd .. ; echo `pwd`/$a_sfs_o)
  249.   [ ! -f "$a_sfs" ] && continue
  250.   a_sfs_bname="$(basename "$a_sfs")"
  251.  if [ ${#Mount_PT_ID} -gt 0 ]; then
  252.    a_sfs_MP="$Cont_Root"/"$a_sfs_bname"${Mount_PT_ID}
  253.  elif [ -z "$(ls -A "${Cont_Root}/a_sfs_bname")" ]; then
  254.    a_sfs_MP="$Cont_Root"/"$a_sfs_bname"
  255.  else
  256.    a_sfs_MP=$(mktemp -d -p "$Cont_Root" a_sfs_bname.XXXXXXX)
  257.  fi
  258.  
  259.  mkdir -p "$a_sfs_MP"
  260.  loop=$(losetup -a | grep  "${a_sfs}"  | sed "s/:.*$//" )
  261.  if [ ! -z "$loop" ]; then #
  262.    sfs_MP="$(findmnt -o TARGET,SOURCE -D -n | grep $loop\$ | awk "$append_mnt_id_awk" | sort -t '|' -k1 | cut -d'|' -f2 | head -n 1)"
  263.    mount --bind "${sfs_MP}" "${a_sfs_MP}"
  264.  else
  265.    mount -r -t squashfs "${a_sfs}" "$a_sfs_MP"
  266.  
  267.  fi
  268.  [ -d "$a_sfs_MP" ] && [ -f "$a_sfs" ] && EXTRA_SFS_MPS+=("$a_sfs_MP")
  269. done
  270.  
  271. #NEW=''
  272. #MOUNTED_PUP_RO=$(busybox df | grep -o '/initrd/pup_ro.*')
  273. ## pup_ro1 and pup_ro2 are reserved
  274. #for i in $(seq 3 99) # find free pup_roX
  275. #do
  276. #   if ! [ "$(echo "$MOUNTED_PUP_RO" | grep "pup_ro${i}$")" ] ; then
  277. #       NEW=${i}
  278. #       break
  279. #   fi
  280. #done
  281. #Cont_Layer=/initrd/pup_ro$NEW
  282.  
  283.  
  284.  
  285.  
  286. mount --bind "${BIND_Source}" "${BIND_Target}"
  287. #ln -s "$BIND_Target_Root" "$Cont_Layer"
  288. #set +x
  289. #read -p "Press enter to continue"
  290. #set -x
  291.  
  292.  
  293. BRANCHES="udba=reval,diropq=w,br:${Cont_TMPFS}=rw:${BIND_Target}=rr"
  294. for a_branch in "${EXTRA_SFS_MPS[@]}"; do
  295.  BRANCHES+=":$a_branch=ro"
  296. done
  297.  
  298. busybox mount -t aufs -o "$BRANCHES" aufs "/$CONT_NAME_DEST" || { umountall && exit 1; }
  299. #busybox mount -t aufs -o remount,append:$BIND_Target_Root=rr / || { umountall && exit 1; }
  300.  
  301. CMD_FP="/$CONT_NAME_DEST/${CHROOT_CMD}"
  302. if [ ! -e "$CMD_FP" ]; then
  303.  CMD_FP_trim="${CMD_FP%-nosb}"
  304.  if [ "$CMD_FP_trim" != "$CMD_FP" ] && [ -e "$CMD_FP_trim" ]; then
  305.    cat "$CMD_FP_trim" | sed -rn \
  306. '/run-as-spot "\$HERE\/chrome"/ {s#^(.*)$#"$HERE/chrome" --no-sandbox --user-data-dir=$HERE/PROFILE --disable-infobars "$@"#g;}
  307. /run-as-spot "\$HERE\/chrome"/! {p}' > "$CMD_FP"
  308.  chmod +x "$CMD_FP"    
  309.  fi
  310. fi
  311.  
  312. mkdir -p /${CONT_NAME_DEST}/dev
  313. mkdir -p /${CONT_NAME_DEST}/proc
  314. mkdir -p /${CONT_NAME_DEST}/sys
  315. mkdir -p /${CONT_NAME_DEST}/dev/pts
  316.  
  317. mount --bind /dev /${CONT_NAME_DEST}/dev
  318. mount --bind /proc /${CONT_NAME_DEST}/proc
  319. mount --bind /sys /${CONT_NAME_DEST}/sys
  320. mount -t devpts devpts /${CONT_NAME_DEST}/dev/pts
  321. cp /etc/resolv.conf /${CONT_NAME_DEST}/etc/resolv.conf
  322. cp /var/lib/dbus/machine-id /${CONT_NAME_DEST}/var/lib/dbus/machine-id
  323. [ -f .Xauthority ] && cp /root/.Xauthority /${CONT_NAME_DEST}/root/.Xauthority
  324. xhost +
  325. mkdir -p /${CONT_NAME_DEST}/tmp/.X11-unix
  326. mount --rbind /tmp/.X11-unix /${CONT_NAME_DEST}/tmp/.X11-unix
  327. cd /${CONT_NAME_DEST}
  328. #set +x
  329.  
  330. if [ -z ${USE_UNSHARE+x} ]; then
  331.         if [ -e /proc/1/ns/pid ] && [ -e /proc/1/ns/mnt ] && type unshare >/dev/null #&& [ -z $NO_NS ];
  332.         then
  333.             USE_UNSHARE=yes
  334.         else
  335.             USE_UNSHARE=no
  336.         fi
  337. fi
  338. if [ "$USE_UNSHARE" = yes ]; then
  339.  CHROOT_UTIL=( unshare -f -C -u -p --mount-proc="/${CONT_NAME_DEST}/proc" chroot )
  340. else
  341.  CHROOT_UTIL=(chroot)
  342. fi
  343.  
  344. if [ ! -z "${EXECUTE}" ]; then
  345.  cd /"$CONT_NAME_DEST"
  346.  set +x
  347.  echo "next cmd: \"${EXECUTE[@]}\" \"$@\""
  348.  read -p "Ready to EXECUTE Press enter to continue"
  349.  set -x
  350.  #set +x
  351.  "${EXECUTE[@]}" "$@"
  352.  
  353. elif [ ! -z "${CHROOT_CMD}" ]; then
  354.  set +x
  355.  echo "next cmd: chroot /${CONT_NAME_DEST} \"${CHROOT_CMD[@]}\" \"$@\""
  356.  read -p "Ready to chroot Press enter to continue"
  357.  set -x  
  358.  if [ -z "$XephyrDISPLAY" ]; then
  359.     #Can't XFORWARD over ssh from puppy4 to newer puppies, but can use Xephyr as a workaround.
  360.     LD_LIBRARY_PATH="/lib:/usr/lib:/usr/X11R7/lib:/root/my-applications/lib:/opt/qt4/lib" ${CHROOT_UTIL[@]} /${CONT_NAME_DEST} "${CHROOT_CMD[@]}" "$@"  
  361.  else
  362.     cd "$CWD"
  363.     source init_scripts.sh
  364.     if [ "$(ls -1 /tmp/.X11-unix | tr 'X' ':')" != "$XephyrDISPLAY" ]; then
  365.       XP="-fullscreen -title container -name Xephyr2 -dpi 144 -nolisten tcp"
  366.       Xephyr $XephyrDISPLAY ${XP} &
  367.     fi  
  368.    
  369.     LD_LIBRARY_PATH="/lib:/usr/lib:/usr/X11R7/lib:/root/my-applications/lib:/opt/qt4/lib" DISPLAY=$XephyrDISPLAY ${CHROOT_UTIL[@]} /${CONT_NAME_DEST} "${CHROOT_CMD[@]}" "$@"  
  370.  fi
  371. else
  372.  LD_LIBRARY_PATH="/lib:/usr/lib:/usr/X11R7/lib:/root/my-applications/lib:/opt/qt4/lib" chroot /${CONT_NAME_DEST} /bin/sh "$@"
  373. fi
  374. set -x
  375. if [ ! NO_EXIT = true ]; then
  376.  umountall
  377. fi
  378.  
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!