Mercurial > hgrepos > FreeBSD > ports > sysutils > local-bsdtools
comparison sbin/fjail @ 161:57b9b899bf77
Provide functions that will be the base for "/var/empty" handling (manipulate the "readonly" property when doing some special operations)
| author | Franz Glasner <fzglas.hg@dom66.de> |
|---|---|
| date | Wed, 20 Nov 2019 09:11:48 +0100 |
| parents | 3f9cae8f5862 |
| children | 9bd38c55a75c |
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| 160:e9dfaa9431a3 | 161:57b9b899bf77 |
|---|---|
| 62 ' | 62 ' |
| 63 | 63 |
| 64 | 64 |
| 65 # Reset to standard umask | 65 # Reset to standard umask |
| 66 umask 0022 | 66 umask 0022 |
| 67 | |
| 68 | |
| 69 _get_dataset_for_mountpoint() { | |
| 70 : 'Use `zfs mount` to determine the ZFS dataset for a given mountpoint. | |
| 71 | |
| 72 ' | |
| 73 local _mountpoint | |
| 74 local _ds _mount | |
| 75 | |
| 76 _mountpoint="$1" | |
| 77 | |
| 78 while read -r _ds _mount; do | |
| 79 if [ "$_mount" = "$_mountpoint" ]; then | |
| 80 echo $_ds | |
| 81 return 0 | |
| 82 fi | |
| 83 done <<EOF__GDSFM | |
| 84 $(zfs mount) | |
| 85 EOF__GDSFM | |
| 86 return 1 | |
| 87 } | |
| 88 | |
| 89 | |
| 90 _get_dataset_for_varempty() { | |
| 91 : 'Allow special handling for <mountpoint>/var/empty which may be | |
| 92 mounted read-only. | |
| 93 | |
| 94 ' | |
| 95 local _mountpoint | |
| 96 local _ve_mount | |
| 97 | |
| 98 _mountpoint="$1" | |
| 99 | |
| 100 if [ "$_mountpoint" = '/' ]; then | |
| 101 _ve_mount='/var/empty' | |
| 102 else | |
| 103 _ve_mount="${_mountpoint}/var/empty" | |
| 104 fi | |
| 105 | |
| 106 _get_dataset_for_mountpoint "${_ve_mount}" | |
| 107 } | |
| 67 | 108 |
| 68 | 109 |
| 69 # | 110 # |
| 70 # "datasets" -- create the ZFS dataset tree | 111 # "datasets" -- create the ZFS dataset tree |
| 71 # | 112 # |