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comparison sbin/ftjail @ 433:91b275a3facf

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Also check for any open files and memory mapping within the jail by using "procstat"
author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 19 Nov 2023 16:07:28 +0100
parents d46315901037
children 9c3b1966ba91
comparison
equal deleted inserted replaced
432:d46315901037 433:91b275a3facf
1043 if [ -S "${_directory}${_add_log_sock}" ]; then 1043 if [ -S "${_directory}${_add_log_sock}" ]; then
1044 echo "ERROR: additional log socket is open at \`${_directory}${_add_log_sock}'" >&2 1044 echo "ERROR: additional log socket is open at \`${_directory}${_add_log_sock}'" >&2
1045 return 1 1045 return 1
1046 fi 1046 fi
1047 done 1047 done
1048 1048 #
1049 # Check whether there are any open files within the jail.
1050 #
1051 # "procstat file" also lists fifo, socket, message queue, kgueue et al.
1052 # file types.
1053 #
1054 # Note that procstat places extra whitespace at the end of lines sometimes.
1055 #
1056 #
1057 if procstat -a file | egrep '['$'\t '']+'"${_directory}"'(/|(['$'\t '']*)$)' ; then
1058 echo "ERROR: There are open files within the jail" >&2
1059 return 1
1060 fi
1061 # The same for memory mappings
1062 if procstat -a vm | egrep '['$'\t '']+'"${_directory}"'(/|(['$'\t '']*)$)' ; then
1063 echo "ERROR: There are open memory mappings within the jail" >&2
1064 return 1
1065 fi
1049 1066
1050 _dir_mounts="$(_get_mounts_at_directory "${_directory}")" 1067 _dir_mounts="$(_get_mounts_at_directory "${_directory}")"
1051 1068
1052 # 1069 #
1053 # Check preconditions thoroughly! 1070 # Check preconditions thoroughly!