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        "author": "Josh Bialkowski",
        "author_email": "josh.bialkowski@gmail.com",
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        "description": "=======\nuchroot\n=======\n\nChroot without root priviledges.\n\n``uchroot.py`` uses linux user namespaces and mount namespaces to create\nchroot jails without root. It's not entirely a no-root solution because it\nrequires the newuidmap and newgidmap set-uid-root helper functions (on ubuntu,\ninstalled with the uidmap package).\n\nThis requirement is not really necessary if you only need to enter the chroot\njail with a single user id mapped.\n\n------------\nRequirements\n------------\n\nRequires a linux built with user namespaces enabled (note that red hat does\nnot by default) and the ``newuidmap`` setuid helper programs (install the\n``newuidmap`` ubuntu package).\n\nTo check if your kernel is built with user namespaces, on ubuntu::\n\n  ~$ cat /boot/config-`uname -r` | grep CONFIG_USER_NS\n  CONFIG_USER_NS=y\n\nOn other linuxes, perhaps try::\n\n  ~$ zcat /proc/config.gz | grep CONFIG_USER_NS\n\n-----\nUsage\n-----\n\n::\n\n    usage: uchroot [-h] [-v] [-l {debug,info,warning,error}] [-s] [-c CONFIG]\n                    [rootfs]\n\n    Chroot without root priviledges This is a pretty simple process spawner that\n    automates the construction of user and mount namespaces in order to create\n    chroot jails without root. It's not entirely a no-root solution because it\n    requires the newuidmap and newgidmap set-uid-root helper functions (on ubuntu,\n    installed with the uidmap package). This requirement is not necessary if you\n    only need to enter the chroot jail with a single user id mapped.\n\n    positional arguments:\n    rootfs                path of the rootfs to enter\n\n    optional arguments:\n    -h, --help            show this help message and exit\n    -v, --version         show program's version number and exit\n    -l {debug,info,warning,error}, --log-level {debug,info,warning,error}\n                            Set the verbosity of messages\n    -s, --subprocess      use subprocess instead of exec\n    -c CONFIG, --config CONFIG\n                            Path to config file\n    --argv [ARGV [ARGV ...]]\n    --cwd CWD\n    --binds [BINDS [BINDS ...]]\n    --gid-range [GID_RANGE [GID_RANGE ...]]\n    --exbin EXBIN\n    --qemu QEMU\n    --uid-range [UID_RANGE [UID_RANGE ...]]\n    --identity [IDENTITY [IDENTITY ...]]\n\nAdvanced configurations can be specified with a configuration file in python\nformat. Command line arguments override options specified in a configuration\nfile::\n\n    # The directory to chroot into\n    rootfs = \"/tmp/rootfs\"\n\n    # List of paths to bind into the new root directory. These binds are\n    # done inside a mount namespace and will not be reflected outside\n    # the process tree started by the script.\n    binds = [\n        \"/dev/urandom\",\n        \"/etc/resolv.conf\",\n    ]\n\n    # If specified, indicates the path to a qemu instance that should be bound\n    # into the mount namespace of the jail\n    qemu = \"/usr/bin/qemu-aarch64-static\"\n\n    # After entering the jail, assume this [uid, gid]. [0, 0] for root.\n    identity = (0, 0)\n\n    # uids in the namespace starting at 1 are mapped to uids outside the\n    # namespace starting with this value and up to this many ids. Note that\n    # the uid range outside the namespace must lie within the current users\n    # allowed subordinate uids. See (or modify) /etc/subid for the range\n    # available to your user.\n    uid_range = (100000, 65536)\n\n    # Same as uid_map above, but for gids.\n    gid_range = (100000, 65536)\n\n    # Set the current working directory to this inside the jail\n    cwd = \"/\"\n\n    # The following variables specify what to execute after chrooting into the jail\n    # -----------------------------------------------------------------------------\n\n    # The path of the program to execute\n    exbin = \"/bin/bash\"\n\n    # The argument vector to expose as argv,argc to the called process\n    argv = [\"bash\"],\n\n    # The environment of the called process. Use an empty dictionary for an\n    # empty environment, or None to use the host environment.\n    env = {\n        # Any environment variable encountered as a list will be join()ed using\n        # path separator (':')\n        \"PATH\": [\n            # \"/usr/local/sbin\",\n            # \"/usr/local/bin\",\n            \"/usr/sbin\",\n            \"/usr/bin\",\n            \"/sbin\",\n            \"/bin\"\n        ],\n        \"DEBIAN_FRONTEND\": \"noninteractive\",\n        \"DEBCONF_NONINTERACTIVE_SEEN\": \"true\",\n        \"LC_ALL\": \"C\",\n        \"LANGUAGE\": \"C\",\n        \"LANG\": \"C\"\n    }\n\n\n",
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