Add "bastille tags" subcommand to add tag strings to jails

usr/local/share/bastille/tags.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+#
+# Copyright (c) 2018-2023, Christer Edwards <christer.edwards@gmail.com>
+# All rights reserved.
+# Ressource limits added by Lars Engels github.com/bsdlme
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+# * Neither the name of the copyright holder nor the names of its
+#   contributors may be used to endorse or promote products derived from
+#   this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+. /usr/local/share/bastille/common.sh
+. /usr/local/etc/bastille/bastille.conf
+
+usage() {
+    error_notify "Usage: bastille tags TARGET add tag1,tag2,..."
+    error_notify "       bastille tags TARGET delete tag1,tag2,..."
+    error_notify "       bastille tags TARGET list"
+    echo -e "Example: bastille tags JAILNAME add database,mysql"
+    echo -e "         bastille tags JAILNAME delete mysql"
+    exit 1
+}
+
+# Handle special-case commands first.
+case "$1" in
+help|-h|--help)
+    usage
+    ;;
+esac
+
+if [ $# -lt 1 -o $# -gt 2 ]; then
+    usage
+fi
+
+ACTION="${1}"
+TAGS="${2}"
+
+for _jail in ${JAILS}; do
+    bastille_jail_tags="${bastille_jailsdir}/${_jail}/tags"
+    if [ "${ACTION}" = "list" ]; then
+      [ -f "${bastille_jail_tags}" ] && cat "${bastille_jail_tags}"
+      continue
+    fi
+    for _tag in $(echo ${TAGS} | tr , ' '); do
+        case ${ACTION} in
+            add)
+            echo ${_tag} >> "${bastille_jail_tags}"
+            tmpfile="$(mktemp)"
+            sort "${bastille_jail_tags}" | uniq > "${tmpfile}"
+            mv "${tmpfile}" "${bastille_jail_tags}"
+            ;;
+            del*)
+            if [ ! -f "${bastille_jail_tags}" ]; then
+                break
+            fi
+            tmpfile="$(mktemp)"
+            grep -Ev "^${_tag}\$" "${bastille_jail_tags}" > "${tmpfile}"
+            mv "${tmpfile}" "${bastille_jail_tags}"
+            # delete tags file if empty
+            [ ! -s "${bastille_jail_tags}" ] && rm "${bastille_jail_tags}"
+            ;;
+            *)
+            usage
+            ;;
+        esac
+    done
+done
+