Mercurial > hgrepos > FreeBSD > ports > sysutils > local-bsdtools
annotate sbin/fjail @ 444:84e43d1bd128
Move "_get_dataset_for_mountpoint()" and "_get_dataset_for_varempty()" into common.subr
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Mon, 06 May 2024 09:14:41 +0200 |
| parents | 9c3b1966ba91 |
| children | 0159c8453fa2 |
| rev | line source |
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1 #!/bin/sh |
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2 # -*- indent-tabs-mode: nil; -*- |
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3 : 'A very minimal BSD Jail management tool. |
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4 |
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5 :Author: Franz Glasner |
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6 :Copyright: (c) 2019-2024 Franz Glasner. |
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7 All rights reserved. |
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8 :License: BSD 3-Clause "New" or "Revised" License. |
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9 See LICENSE for details. |
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10 If you cannot find LICENSE see |
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11 <https://opensource.org/licenses/BSD-3-Clause> |
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12 :ID: @(#)@@SIMPLEVERSIONTAG@@ |
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13 |
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14 ' |
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15 |
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16 set -eu |
| 73 | 17 |
| 18 VERSION="@@VERSION@@" | |
| 19 | |
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20 USAGE=' |
| 75 | 21 USAGE: fjail [ OPTIONS ] COMMAND [ COMMAND OPTIONS ] [ ARG ... ] |
| 22 | |
| 23 OPTIONS: | |
| 24 | |
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25 -V Print the program name and version number to stdout and exit |
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26 |
| 75 | 27 -h Print this help message to stdout and exit |
| 28 | |
| 29 COMMANDS: | |
| 30 | |
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31 datasets [OPTIONS] PARENT CHILD |
| 75 | 32 |
| 33 Create ZFS datasets to be used within a jail | |
| 34 | |
| 35 PARENT must exist already and CHILD must not exist. | |
| 36 | |
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37 -A Set "canmount=noauto" for datasets |
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38 -o Do not create var/empty as read-only dataset but with normal settings |
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39 -s Also create a dataset for freebsd-update data files |
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40 -t Create a more tiny set of datasets |
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41 -T Create only an extra tiny set of datasets |
| 75 | 42 -u Do not automatically mount newly created datasets |
| 43 | |
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44 mount |
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45 |
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46 See sibling tool `fzfs'"'"' |
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47 |
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48 umount |
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49 |
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50 See sibling tool `fzfs'"'"' |
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51 |
| 75 | 52 privs MOUNTPOINT |
| 53 | |
| 54 Adjust some Unix privileges to mounted jail datasets | |
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55 |
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56 populate MOUNTPOINT BASETXZ |
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57 |
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58 Populate the jail directory in MOUNTPOINT with the base system in BASETXZ |
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59 |
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60 configure [OPTIONS] MOUNTPOINT |
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61 |
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62 Configure some basic parts of the system at MOUNTPOINT: |
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63 disable root password, syslog and other basic configuration settings |
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64 |
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65 Also handle thin jails by checking whether "etc" is a symlink to |
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66 "skeleton/etc". |
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67 |
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68 -d Temporarily mount a devfs filesystem to MOUNTPOINT/dev |
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69 |
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70 hostid |
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71 |
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72 Print proposals for a hostuuid and hostid |
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73 |
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74 copy [OPTIONS] SOURCE-DATASET DEST-DATASET |
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75 |
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76 Copy a tree of ZFS datasets with "zfs send -R" and "zfs receive". |
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77 Note that the destination dataset must not exist already. |
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78 |
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79 -r Copy the datasets with the -Lec options (aka "raw") |
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80 -u Do not automatically mount received datasets |
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81 |
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82 freebsd-update [OPTIONS] DIRECTORY OPERATIONS... |
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83 |
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84 -c CURRENTLY-RUNNING Assume the systen given in CURRENTLY-RUNNING is |
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85 installed/running at given DIRECTORY |
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86 |
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87 ENVIRONMENT: |
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88 |
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89 All environment variables that affect "zfs" are effective also. |
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90 |
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91 DESCRIPTION: |
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92 |
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93 All commands with the exception of "populate" require ZFS as |
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94 filesystem. |
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95 ' |
| 75 | 96 |
| 97 | |
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98 _p_datadir="$(dirname "$0")"/../share/local-bsdtools |
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99 . "${_p_datadir}/common.subr" |
| 73 | 100 |
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101 |
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102 # Reset to standard umask |
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103 umask 0022 |
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104 |
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105 |
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106 #: |
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107 #: Check whether a FreeBSD version at a given location matches the userland |
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108 #: version of the host where the current process run. |
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109 #: |
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110 #: Args: |
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111 #: $1: the location where to check for |
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112 #: $2: an optional reference FreeBSD version to compare to (default is the |
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113 #: version of the host) |
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114 #: |
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115 #: Returns: |
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116 #: 0 if the userland versions match, 1 otherwise |
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117 #: |
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118 #: Exit: |
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119 #: 1 on fatal errors (e.g. /bin/freebsd-version not found or errors) |
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120 #: |
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121 _has_same_userland_version() { |
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122 local directory ref_version |
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123 |
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124 local _directory_version |
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125 |
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126 directory="$1" |
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127 ref_version="${2:-}" |
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128 |
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129 if [ -z "${ref_version}" ]; then |
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130 ref_version=$(/bin/freebsd-version -u) || exit 1 |
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131 fi |
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132 _directory_version=$(chroot "${directory}" /bin/freebsd-version -u) || exit 1 |
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133 if [ "${ref_version%%-*}" = "${_directory_version%%-*}" ]; then |
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134 return 0 |
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135 fi |
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136 return 1 |
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137 } |
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138 |
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139 |
| 73 | 140 # |
| 141 # "datasets" -- create the ZFS dataset tree | |
| 142 # | |
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143 # command_datasets [ -u ] parent-dataset child-dataset |
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144 # |
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145 # -u do not automatically mount newly created datasets |
| 73 | 146 # |
| 147 command_datasets() { | |
| 148 # parent ZFS dataset -- child ZFS dataset name | |
| 149 local _pds _cds | |
| 150 # and its mount point | |
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151 local _pmp _get |
| 73 | 152 # full name of the dataset |
| 153 local _ds | |
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154 # dynamic ZFS options -- create cache for freebsd-update -- use a more tiny layout |
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155 local _zfsopts _fbsdupdate _tiny _zfsnoauto _varempty_ro |
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156 |
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157 _zfsopts="" |
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177
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158 _fbsdupdate="" |
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159 _tiny="no" |
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160 _zfsnoauto="" |
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161 _varempty_ro="-o readonly=on" |
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162 while getopts "oustAT" _opt ; do |
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163 case ${_opt} in |
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164 A) |
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165 # |
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166 # set canmount=noauto where otherwise canmount=on would have been set |
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167 # or inherited |
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168 # |
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169 _zfsnoauto="-o canmount=noauto" |
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170 ;; |
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171 o) |
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172 # Clear out the default setting of creating var/empty as read-only dataset |
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173 _varempty_ro="" |
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174 ;; |
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175 t) |
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176 # use a more tiny layout |
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177 _tiny="yes" |
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178 ;; |
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179 T) # extra tiny layout |
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180 _tiny="extra" |
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181 ;; |
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182 u) |
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183 # do not mount newly created datasets |
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184 _zfsopts="${_zfsopts} -u" |
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185 ;; |
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186 s) |
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187 # create also a dataset for freebsd-update data |
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188 _fbsdupdate="yes" |
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179
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189 ;; |
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190 \?|:) |
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191 return 2; |
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192 ;; |
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193 esac |
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194 done |
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195 shift $((OPTIND-1)) |
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196 OPTIND=1 |
| 73 | 197 |
| 198 _pds="$1" | |
| 199 if [ -z "${_pds}" ]; then | |
| 200 echo "ERROR: no parent dataset given" >&2 | |
| 201 return 2 | |
| 202 fi | |
|
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203 _pmp=$(zfs list -H -o mountpoint -t filesystem "${_pds}" 2>/dev/null) || { echo "ERROR: dataset \`${_pds}' does not exist" >&2; return 1; } |
| 73 | 204 case "${_pmp}" in |
| 205 none) | |
| 206 echo "ERROR: dataset \`${_pds}' has no mountpoint" >&2 | |
| 207 return 1 | |
| 208 ;; | |
| 209 legacy) | |
| 210 echo "ERROR: dataset \`${_pds}' has a \`${_mp}' mountpoint" >&2 | |
| 211 return 1 | |
| 212 ;; | |
| 213 *) | |
| 214 # VOID | |
| 215 ;; | |
| 216 esac | |
| 217 _cds="$2" | |
| 218 if [ -z "${_cds}" ]; then | |
| 219 echo "ERROR: no child dataset given" >&2 | |
| 220 return 2 | |
| 221 fi | |
| 222 _ds="${_pds}/${_cds}" | |
| 223 echo "Resulting new root dataset is \`${_ds}' at mountpoint \`${_pmp}/${_cds}'" | |
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224 if zfs list -H -o mountpoint -t filesystem "${_ds}" >/dev/null 2>/dev/null; then |
| 73 | 225 echo "ERROR: dataset \`${_ds}' does already exist" >&2 |
| 226 return 1 | |
| 227 fi | |
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228 |
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229 # |
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230 # NOTE: For BEs these directory will be *excluded* from the BE |
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231 # |
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232 # /tmp |
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233 # /usr/home |
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234 # /usr/ports |
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235 # /usr/src |
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236 # /var/audit |
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237 # /var/crash |
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238 # /var/log |
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239 # /var/mail |
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240 # /var/tmp |
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241 # |
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242 zfs create ${_zfsopts} ${_zfsnoauto} -o atime=off "${_ds}" |
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243 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o setuid=off "${_ds}/tmp" |
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244 if [ "${_tiny}" != "extra" ]; then |
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245 if [ "${_tiny}" = "yes" ]; then |
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246 zfs create ${_zfsopts} -o canmount=off "${_ds}/usr" |
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247 else |
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248 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/usr" |
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249 fi |
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250 zfs create ${_zfsopts} ${_zfsnoauto} -o setuid=off "${_ds}/usr/home" |
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251 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/usr/local" |
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252 fi |
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253 if [ \( "${_tiny}" = "yes" \) -o \( "${_tiny}" = "extra" \) ]; then |
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254 zfs create ${_zfsopts} -o canmount=off "${_ds}/var" |
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255 else |
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256 zfs create ${_zfsopts} ${_zfsnoauto} "${_ds}/var" |
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257 fi |
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258 if [ "${_tiny}" != "extra" ]; then |
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259 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/audit" |
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260 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/cache" |
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261 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata -o compression=off "${_ds}/var/cache/pkg" |
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262 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o compression=off "${_ds}/var/crash" |
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263 fi |
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264 if [ "$_fbsdupdate" = "yes" ]; then |
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265 if [ \( "${_tiny}" = "yes" \) -o \( "${_tiny}" = "extra" \) ]; then |
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266 zfs create ${_zfsopts} -o canmount=off -o exec=off -o setuid=off "${_ds}/var/db" |
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267 else |
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268 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off "${_ds}/var/db" |
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269 fi |
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270 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata -o compression=off "${_ds}/var/db/freebsd-update" |
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271 fi |
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272 zfs create ${_zfsopts} ${_zfsnoauto} ${_varempty_ro} -o exec=off -o setuid=off "${_ds}/var/empty" |
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273 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o primarycache=metadata "${_ds}/var/log" |
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274 zfs create ${_zfsopts} ${_zfsnoauto} -o exec=off -o setuid=off -o atime=on "${_ds}/var/mail" |
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275 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o exec=off -o setuid=off -o compression=off -o primarycache=all "${_ds}/var/run" |
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276 zfs create ${_zfsopts} ${_zfsnoauto} -o sync=disabled -o setuid=off "${_ds}/var/tmp" |
| 73 | 277 } |
| 278 | |
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279 |
| 73 | 280 # |
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281 # "populate" -- populate the datasets with content from a FreeBSD base.txz |
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282 # |
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283 # command_populate mountpoint basetxz |
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284 # |
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285 command_populate() { |
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286 # MOUNTPOINT -- base.txz |
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287 local _mp _basetxz |
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288 |
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289 _mp="$1" |
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290 _basetxz="$2" |
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291 |
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292 if [ -z "${_mp}" ]; then |
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293 echo "ERROR: no mountpoint given" >&2 |
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294 return 2 |
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295 fi |
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296 if [ -z "${_basetxz}" ]; then |
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297 echo "ERROR: no base.txz given" >&2 |
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298 return 2 |
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299 fi |
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300 if [ ! -d "${_mp}" ]; then |
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301 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2 |
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302 return 1 |
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303 fi |
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304 if [ ! -r "${_basetxz}" ]; then |
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305 echo "ERROR: file \`${_basetxz}' is not readable" >&2 |
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306 return 1 |
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307 fi |
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308 |
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309 # |
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310 # Handle /var/empty separately later: could be already there and |
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311 # mounted read-only. |
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312 # |
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313 tar -C "${_mp}" --exclude=./var/empty -xJp -f "${_basetxz}" || { echo "ERROR: tar encountered errors" >&2; return 1; } |
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314 if [ -d "${_mp}/var/empty" ]; then |
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315 # |
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316 # If /var/empty exists already try to extract with changing the |
|
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317 # flags (e.g. `schg'). But be ignore errors here. |
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318 # |
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184
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319 tar -C "${_mp}" -xJp -f "${_basetxz}" ./var/empty || { echo "tar warnings for handling ./var/empty ignored because ./var/empty exists already" >&2; } |
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320 else |
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321 # Just extract /var/empty normally |
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322 tar -C "${_mp}" -xJp -f "${_basetxz}" ./var/empty || { echo "ERROR: tar encountered errors" >&2; return 1; } |
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323 fi |
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324 |
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325 find "${_mp}/boot" -type f -delete |
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326 } |
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327 |
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328 |
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329 # |
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330 # "hostid" -- print a proposal for hostid/hostuuid settings in a jail |
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331 # |
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332 # command_hostid |
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333 # |
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334 command_hostid() { |
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335 # |
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336 # hostid and hostuuid should be set (at least for consistency ressons) |
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337 # in vnet jails (see /etc/rc.d/hostid and /etc/rc.d/hostid_save). |
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338 # They can be set in the jail.conf. |
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339 # Print one here that can be pasted into the jail.conf if needed. |
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340 # |
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341 # hostid and hostuuid for non-vnet jails are inherited from the parent/host. |
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342 # |
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343 # See also /etc/rc.d/hostid and /etc/rc.d/hostid_save. |
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344 # |
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345 local _new_hostuuid _new_hostid |
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346 _new_hostuuid="$(uuidgen)" |
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347 _new_hostid="$(echo -n ${_new_hostuuid} | /sbin/md5)" |
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348 _new_hostid="0x${_new_hostid%%????????????????????????}" |
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349 |
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350 echo "Proposed hostuuid/hostid:" |
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351 echo " host.hostuuid = \"${_new_hostuuid}\";" |
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352 echo " host.hostid = $((_new_hostid));" |
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353 #echo " host.hostid = ${_new_hostid};" |
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354 } |
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355 |
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356 |
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357 # |
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219
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358 # "configure" -- configure the mountpoint |
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359 # |
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360 # command_configure mountpoint |
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361 # |
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362 command_configure() { |
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363 # mountpoint |
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364 local _mp |
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365 local _opt_devfs |
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366 |
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367 local _pcl _umount_devfs |
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368 |
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369 _umount_devfs="" |
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370 |
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371 _opt_devfs="" |
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372 while getopts "d" _opt ; do |
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373 case ${_opt} in |
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374 d) |
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375 _opt_devfs="yes" |
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376 ;; |
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377 \?) |
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378 return 2; |
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379 ;; |
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380 *) |
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381 echo "ERROR: option handling failed" 1>&2 |
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382 return 2 |
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383 ;; |
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384 esac |
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385 done |
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386 shift $((OPTIND-1)) |
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387 OPTIND=1 |
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388 |
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389 _mp="$1" |
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390 |
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391 if [ -z "${_mp}" ]; then |
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392 echo "ERROR: no mountpoint given" >&2 |
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393 return 2 |
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394 fi |
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395 if [ ! -d "${_mp}" ]; then |
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396 echo "ERROR: mountpoint \`${_mp}' does not exist" >&2 |
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397 return 1 |
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398 fi |
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399 |
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331
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400 if [ -c "${_mp}/dev/null" ]; then |
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401 if [ "${_opt_devfs}" = "yes" ]; then |
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402 echo "WARNING: devfs is already mounted - mounting skipped" |
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403 fi |
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404 else |
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405 if [ "${_opt_devfs}" = "yes" ]; then |
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406 echo "Mounting devfs" |
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407 mount -t devfs devfs "${_mp}/dev" |
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408 _umount_devfs="yes" |
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409 else |
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410 echo "ERROR: a working devfs is needed at \`{_mp}/dev' (use \`-d')" >&2 |
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411 return 1 |
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412 fi |
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413 fi |
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414 |
|
219
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415 # Deactive the by default empty root password |
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416 pw -R "${_mp}" usermod -w no -n root |
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417 |
|
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418 if [ -f "${_mp}/etc/defaults/rc.conf" ]; then |
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419 |
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420 sysrc -R "${_mp}" sendmail_enable=NONE |
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421 sysrc -R "${_mp}" clear_tmp_enable=YES |
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422 sysrc -R "${_mp}" clear_tmp_X=NO |
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423 sysrc -R "${_mp}" syslogd_flags=-ss |
|
366
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424 sysrc -R "${_mp}" bsdstats_enable=NO # no automatic BSD stats when booting (for periodic see below) |
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425 else |
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426 echo "WARNING: No \"${_mp}/etc/defaults/rc.conf\": not configuring \"rc.conf\"" |
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427 fi |
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428 |
|
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429 if [ -f "${_mp}/usr/share/zoneinfo/Europe/Berlin" ]; then |
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430 # Timezone to CET |
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431 if [ ! -f "${_mp}/etc/localtime" ]; then |
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432 echo "Setting timezone to Europe/Berlin" |
|
250
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433 # Handle thin jails automatically (but check expectations very strictly) |
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434 if [ \( -L "${_mp}/etc" \) -a \( "$(readlink "${_mp}/etc")" = "skeleton/etc" \) ]; then |
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435 ln -s ../../usr/share/zoneinfo/Europe/Berlin "${_mp}/etc/localtime" |
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436 else |
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437 ln -s ../usr/share/zoneinfo/Europe/Berlin "${_mp}/etc/localtime" |
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438 fi |
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439 echo "Europe/Berlin" > "${_mp}/var/db/zoneinfo" |
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440 else |
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441 echo "WARNING: \"${_mp}/etc/localtime\" exists already -- not changed" |
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442 fi |
|
222
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443 else |
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444 echo "WARNING: No timezone data file found at \"${_mp}/usr/share/zoneinfo/Europe/Berlin\": skipping timezone setup" |
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445 fi |
|
221
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446 |
|
224
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447 # resolv.conf |
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448 if [ ! -f "${_mp}/etc/resolv.conf" ]; then |
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449 echo "Copying the host's resolv.conf into the jail" |
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450 cp -p /etc/resolv.conf "${_mp}/etc/resolv.conf" |
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451 else |
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452 echo "WARNING: \"${_mp}/etc/resolv.conf\" exists already -- not changed" |
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453 fi |
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|
454 |
|
225
ffd24013d346
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455 # Call newaliases within the jail |
|
227
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456 echo "Calling \"newaliases\"" |
|
225
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457 chroot "${_mp}" /usr/bin/newaliases |
|
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458 |
|
228
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459 _pcl="${_mp}/etc/periodic.conf.local" |
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460 if [ ! -f "${_pcl}" ]; then |
|
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|
461 echo "Adjusting periodic.conf.local" |
|
357
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|
462 echo "Periodic script log into files ..." |
|
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463 echo "daily_output=\"/var/log/daily.log\"" > "${_pcl}" |
|
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|
464 echo "weekly_output=\"/var/log/weekly.log\"" >> "${_pcl}" |
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465 echo "monthly_output=\"/var/log/monthly.log\"" >> "${_pcl}" |
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466 echo "daily_status_security_output=\"/var/log/security\"" >> "${_pcl}" |
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467 echo "weekly_status_security_output=\"/var/log/security\"" >> "${_pcl}" |
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468 echo "monthly_status_security_output=\"/var/log/security\"" >> "${_pcl}" |
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358
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469 |
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470 echo "security_status_chkmounts_enable=\"NO\"" >> "${_pcl}" |
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471 |
|
357
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472 echo "Disable some scripts that are enabled by default ..." |
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473 echo "daily_ntpd_leapfile_enable=\"NO\"" >> "${_pcl}" |
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474 echo "daily_status_zfs_zpool_list_enable=\"NO\"" >> "${_pcl}" |
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475 echo "daily_status_disks_enable=\"NO\"" >> "${_pcl}" |
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476 echo "daily_status_uptime_enable=\"NO\"" >> "${_pcl}" |
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477 |
|
366
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478 # |
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479 # bsdstats |
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480 # |
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481 echo "" >> "${_pcl}" |
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482 echo "#" >> "${_pcl}" |
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483 echo "# bsdstats" >> "${_pcl}" |
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484 echo "#" >> "${_pcl}" |
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485 # Disabled by default but make it more explicit |
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486 echo "monthly_statistics_enable=\"NO\"" >> "${_pcl}" |
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487 # If enabled: because we are in a jail there are no devices |
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488 echo "monthly_statistics_report_devices=\"NO\"" >> "${_pcl}" |
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489 # If enabled: report ports |
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490 echo "monthly_statistics_report_ports=\"YES\"" >> "${_pcl}" |
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491 |
| 359 | 492 echo "Creating system logfiles that are marked for automatic creation ..." |
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493 chroot "${_mp}" /usr/sbin/newsyslog -CN |
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494 |
|
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495 else |
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496 echo "WARNING: \"${_pcl}\" exists already -- not changed" |
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497 fi |
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498 |
|
226
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499 command_hostid |
|
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500 |
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501 if [ "${_umount_devfs}" = "yes" ]; then |
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502 echo "Unmounting devfs" |
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503 umount "${_mp}/dev" |
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504 fi |
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505 } |
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506 |
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507 |
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508 # |
|
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509 # "copy" -- ZFS copy of datasets |
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510 # |
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511 # command_copy source-dataset destination-dataset |
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512 # |
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513 command_copy() { |
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514 # source dataset -- destination dataset |
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515 local _source _dest |
|
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516 # dynamic ZFS options -- ZFS copy options |
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517 local _zfsopts _zfscopyopts |
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518 |
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519 _zfsopts="" |
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520 _zfscopyopts="" |
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521 while getopts "ru" _opt ; do |
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522 case ${_opt} in |
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523 r) |
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524 # Use raw datasets |
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525 _zfscopyopts="-Lec" |
|
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526 ;; |
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527 u) |
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528 # do not mount newly created datasets |
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529 _zfsopts="${_zfsopts} -u" |
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530 ;; |
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531 \?|:) |
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532 return 2; |
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533 ;; |
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534 esac |
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535 done |
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536 shift $((OPTIND-1)) |
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537 OPTIND=1 |
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538 |
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539 _source="$1" |
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540 if [ -z "${_source}" ]; then |
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541 echo "ERROR: no source dataset given" >&2 |
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542 return 2 |
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543 fi |
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544 _dest="$2" |
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545 if [ -z "${_dest}" ]; then |
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546 echo "ERROR: no source dataset given" >&2 |
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547 return 2 |
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548 fi |
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549 zfs send -R ${_zfscopyopts} -n -v "${_source}" || { echo "ERROR: ZFS operation failed in no-op mode" >&2; return 1; } |
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550 zfs send -R ${_zfscopyopts} "${_source}" | zfs receive ${_zfsopts} "${_dest}" || { echo "ERROR: ZFS operation failed" >&2; return 1; } |
|
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551 } |
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552 |
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553 |
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554 # |
| 73 | 555 # "privs" -- adjust privileges |
| 556 # | |
| 557 # To be used when all ZFS datasets are mounted. | |
| 558 # | |
| 559 command_privs() { | |
| 560 # mountpoint | |
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561 local _mp _d _veds _get _vestatus |
| 73 | 562 |
| 563 _mp="$1" | |
| 564 if [ -z "${_mp}" ]; then | |
| 565 echo "ERROR: no mountpoint given" >&2 | |
| 566 return 2 | |
| 567 fi | |
| 568 if [ ! -d "${_mp}" ]; then | |
| 569 echo "ERROR: directory \`${_mp}' does not exist" >&2 | |
| 570 return 1 | |
| 571 fi | |
| 572 for _d in tmp var/tmp ; do | |
| 573 chmod 01777 "${_mp}/${_d}" | |
| 574 done | |
| 575 chown root:mail "${_mp}/var/mail" | |
| 576 chmod 0775 "${_mp}/var/mail" | |
|
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577 |
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578 # |
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579 # Handle <mountpoint>/var/empty specially: |
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580 # make it writeable temporarily if it is mounted read-only: |
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581 # |
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582 _vestatus="" |
|
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583 _veds="$(_get_dataset_for_varempty "${_mp}")" |
|
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584 if [ $? -eq 0 ]; then |
|
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585 _vestatus=$(zfs list -H -o readonly -t filesystem ${_veds} 2>/dev/null) || { echo "ERROR: cannot determine readonly status of ${_mp}/var/empty" >&2; return 1; } |
|
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586 if [ "${_vestatus}" = "on" ]; then |
|
199
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587 zfs set readonly=off ${_veds} 1> /dev/null || { echo "ERROR: cannot reset readonly-status of ${_mp}/var/empty" >&2; return 1; } |
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588 fi |
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589 fi |
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590 # Set the access rights and the file flags as given in mtree |
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591 chmod 0555 "${_mp}/var/empty" || { echo "WARNING: Cannot chmod on var/empty" >&2; } |
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592 chflags schg "${_mp}/var/empty" || { echo "WARNING: Cannot chflags on var/empty" >&2; } |
|
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593 # Reset the read-only status of the mountpoint as it was before |
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594 if [ "${_vestatus}" = "on" ]; then |
|
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595 zfs set readonly=on ${_veds} 1> /dev/null || { echo "ERROR: cannot reactivate readonly-status of ${_mp}/var/empty" >&2; return 1; } |
|
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596 fi |
| 73 | 597 } |
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598 |
|
74
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599 |
|
347
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600 #: |
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601 #: Implement the "freebsd-update" command |
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602 #: |
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603 command_freebsd_update() { |
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604 local directory operations |
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605 |
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606 local opt_currently_running |
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607 |
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608 opt_currently_running="" |
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609 while getopts "c:" _opt ; do |
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610 case ${_opt} in |
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611 c) |
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612 opt_currently_running="$OPTARG" |
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613 ;; |
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614 \?|:) |
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615 return 2; |
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616 ;; |
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617 esac |
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618 done |
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619 shift $((OPTIND-1)) |
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620 OPTIND=1 |
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621 |
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622 directory="${1-}" |
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623 |
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624 [ -z "${directory}" ] && { echo "ERROR: no directory given" 1>&2; return 2; } |
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625 [ -d "${directory}" ] || { echo "ERROR: directory \`${directory}' does not exist" 1>&2; return 1; } |
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626 |
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627 shift |
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628 operations="$@" |
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629 |
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630 if _has_same_userland_version "${directory}" "${opt_currently_running}" ; then |
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631 if [ -n "${opt_currently_running}" ]; then |
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632 freebsd-update -b "${directory}" --currently-running "${opt_currently_running}" ${operations} |
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633 else |
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634 freebsd-update -b "${directory}" ${operations} |
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635 fi |
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636 else |
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637 echo "ERROR: Userland version mismatch" 1>&2 |
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638 return 1 |
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639 fi |
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640 } |
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641 |
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642 |
|
72
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643 # |
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644 # Global option handling |
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645 # |
|
81
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646 while getopts "Vh" _opt ; do |
|
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647 case ${_opt} in |
|
81
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648 V) |
|
386
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649 printf 'fjail %s\n' '@@SIMPLEVERSIONSTR@@' |
|
81
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650 exit 0 |
|
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651 ;; |
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652 h) |
| 75 | 653 echo "${USAGE}" |
|
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654 exit 0 |
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655 ;; |
|
80
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656 \?) |
|
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657 exit 2; |
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658 ;; |
|
80
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659 *) |
|
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660 echo "ERROR: option handling failed" >&2 |
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661 exit 2 |
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662 ;; |
|
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663 esac |
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664 done |
|
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665 |
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666 # |
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667 # Reset the Shell's option handling system to prepare for handling |
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668 # command-local options. |
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669 # |
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670 shift $((OPTIND-1)) |
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671 OPTIND=1 |
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672 |
|
92
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673 test $# -gt 0 || { echo "ERROR: no command given" >&2; exit 2; } |
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674 |
|
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675 command="$1" |
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676 shift |
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677 |
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678 case "${command}" in |
| 73 | 679 datasets) |
| 680 command_datasets "$@" | |
| 681 ;; | |
|
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682 mount) |
|
276
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683 exec "$(dirname $0)/fzfs" mount "$@" |
|
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684 ;; |
|
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685 umount|unmount) |
|
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686 exec "$(dirname $0)/fzfs" umount "$@" |
|
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687 ;; |
| 73 | 688 privs) |
| 689 command_privs "$@" | |
| 690 ;; | |
|
76
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691 populate) |
|
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692 command_populate "$@" |
|
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693 ;; |
|
219
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694 configure) |
|
220
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695 command_configure "$@" |
|
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696 ;; |
|
226
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697 hostid) |
|
73f2436fdf86
Make "hostid" a separate command for printint hostid proposals
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698 command_hostid "$@" |
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Make "hostid" a separate command for printint hostid proposals
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699 ;; |
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77
5aab3a28895f
Implemented a "copy" command to employ zfs send/receive for recursively copying jail datasets
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700 copy) |
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Implemented a "copy" command to employ zfs send/receive for recursively copying jail datasets
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701 command_copy "$@" |
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Implemented a "copy" command to employ zfs send/receive for recursively copying jail datasets
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702 ;; |
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347
673505e96cea
Implement a "fjail freebsd-update": update "normal" jails and other directories where an OS is mounted
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703 freebsd-update) |
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Implement a "fjail freebsd-update": update "normal" jails and other directories where an OS is mounted
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704 command_freebsd_update "$@" |
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Implement a "fjail freebsd-update": update "normal" jails and other directories where an OS is mounted
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705 ;; |
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72
929051be7845
Begin a simple (ZFS-related) jail setup tool
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parents:
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706 *) |
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76
fea2ef3ff89a
Populate an existing directory tree with the contents of base.txz
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707 echo "ERROR: unknown command \`${command}'" >&2 |
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Begin a simple (ZFS-related) jail setup tool
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708 exit 2 |
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929051be7845
Begin a simple (ZFS-related) jail setup tool
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parents:
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709 ;; |
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929051be7845
Begin a simple (ZFS-related) jail setup tool
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parents:
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710 esac |