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Current Path : /usr/share/zsh/4.3.11/functions/
Current File : //usr/share/zsh/4.3.11/functions/compaudit
# So that this file can also be read with `.' or `source' ...
compaudit() {                           # Define and then call

# Audit the fpath to assure that it contains all the directories needed by
# the completion system, and that those directories are at least unlikely
# to contain dangerous files.  This is far from perfect, as the modes or
# ownership of files or directories might change between the time of the
# audit and the time the function is executed.

# This function is designed to be called from compinit, which assumes that
# it is in the same directory, i.e., it can be autoloaded from the initial
# fpath as compinit was.  Most local parameter names in this function must
# therefore be the same as those used in compinit.

emulate -L zsh
setopt extendedglob

[[ -x /usr/bin/getent ]] || getent() {
  if [[ $2 = <-> ]]; then
    grep ":$2:[^:]*$" /etc/$1
  else
    grep "^$2:" /etc/$1
  fi
}

# The positional parameters are the directories to check, else fpath.
if (( $# )); then
  local _compdir=''
elif (( $#fpath == 0 )); then
  print 'compaudit: No directories in $fpath, cannot continue' 1>&2
  return 1
else
  set -- $fpath
fi

# _i_check is defined by compinit; used here as a test for whether this
# function is running standalone or was called by compinit.  If called
# by compinit, we use parameters that are defined in compinit's scope,
# otherwise we make them local here.
(( $+_i_check )) || {
  local _i_q _i_line _i_file _i_fail=verbose
  local -a _i_files _i_addfiles _i_wdirs _i_wfiles
  local -a -U +h fpath
}

fpath=( $* )

# _compdir may be defined by the user; see the compinit documentation.
# If it isn't defined, we want it to point somewhere sensible, but the
# user is allowed to set it to empty to bypass the check below.
(( $+_compdir )) || {
  local _compdir=${fpath[(r)*/$ZSH_VERSION/*]}
  [[ -z $_compdir ]] && _compdir=$fpath[1]
  ### [[ -d $_compdir/../Base ]] && _compdir=${_compdir:h}
}

_i_wdirs=()
_i_wfiles=()

_i_files=( ${^~fpath:/.}/^([^_]*|*~|*.zwc)(N) )
if [[ -n $_compdir ]]; then
  if [[ $#_i_files -lt 20 || $_compdir = */Base || -d $_compdir/Base ]]; then
    # Too few files: we need some more directories, or we need to check
    # that all directories (not just Base) are present.
    _i_addfiles=()
    if [[ -d $_compdir/Base/Core ]]; then
      # Add all the Completion subdirectories (CVS-layout)
      _i_addfiles=(${_compdir}/*/*(/^M))
    elif [[ -d $_compdir/Base ]]; then
      # Likewise (installation-layout)
      _i_addfiles=(${_compdir}/*(/^M))
    fi
    for _i_line in {1..$#_i_addfiles}; do
      _i_file=${_i_addfiles[$_i_line]}
      [[ -d $_i_file && -z ${fpath[(r)$_i_file]} ]] ||
        _i_addfiles[$_i_line]=
    done
    fpath=($fpath $_i_addfiles)
    _i_files=( ${^~fpath:/.}/^([^_]*|*~|*.zwc)(N) )
  fi
fi

[[ $_i_fail == use ]] && return 0

# RedHat Linux "per-user groups" check.  This is tricky, because it's very
# difficult to tell whether the sysadmin has put someone else into your
# "private" group (e.g., via the default group field in /etc/passwd, or
# by NFS group sharing with an untrustworthy machine).  So we must assume
# that this has not happened, and pick the best group.

local GROUP GROUPMEM _i_pw _i_gid _i_ulwdirs
if ((UID == EUID )); then
  getent group $LOGNAME | IFS=: read GROUP _i_pw _i_gid GROUPMEM
else
  getent group $EGID | IFS=: read GROUP _i_pw _i_gid GROUPMEM
fi

# We search for:
# - world/group-writable directories in fpath not owned by root and the user
# - parent-directories of directories in fpath that are world/group-writable
#   and not owned by root and the user (that would allow someone to put a
#   digest file for one of the directories into the parent directory)
# - digest files for one of the directories in fpath not owned by root and
#   the user
# - and for files in directories from fpath not owned by root and the user
#   (including zwc files)

if [[ $GROUP == $LOGNAME && ( -z $GROUPMEM || $GROUPMEM == $LOGNAME ) ]]; then
  _i_wdirs=( ${^fpath}(N-f:g+w:^g:${GROUP}:,-f:o+w:,-^u0u${EUID})
             ${^fpath:h}(N-f:g+w:^g:${GROUP}:,-f:o+w:,-^u0u${EUID}) )
else
  _i_wdirs=( ${^fpath}(N-f:g+w:,-f:o+w:,-^u0u${EUID})
             ${^fpath:h}(N-f:g+w:,-f:o+w:,-^u0u${EUID}) )
fi

if [[ -f /etc/debian_version ]]
then
_i_ulwdirs=( ${(M)_i_wdirs:#/usr/local/*} )
_i_wdirs=( ${_i_wdirs:#/usr/local/*} ${^_i_ulwdir}(Nf:g+ws:^g:staff:,f:o+w:,^u0) )
fi

_i_wdirs=( $_i_wdirs ${^fpath}.zwc^([^_]*|*~)(N-^u0u${EUID}) )
_i_wfiles=( ${^fpath}/^([^_]*|*~)(N-^u0u${EUID}) )

case "${#_i_wdirs}:${#_i_wfiles}" in
(0:0) _i_q= ;;
(0:*) _i_q=files ;;
(*:0) _i_q=directories ;;
(*:*) _i_q='directories and files' ;;
esac

if [[ -n "$_i_q" ]]; then
  [[ $_i_fail == verbose ]] && {
    print There are insecure ${_i_q}: 1>&2
    print -l - $_i_wdirs $_i_wfiles
  }
  return 1
fi
return 0

}                                       # Define and then call

compaudit "$@"
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