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hosts
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Update coding style. 

- Quote variables throughout.
- Use underscore prefixes to denote script-local variables and avoid
  identifier conflicts.
- Add spacing for better statement grouping.
This commit is contained in:
William Melody 2018-05-14 20:03:32 -07:00
parent d8f86743f4
commit 6da4b7475f
1 changed files with 177 additions and 149 deletions
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hosts
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@ -224,9 +224,11 @@ _AUTO_SUDO=0
while [ ${#} -gt 0 ] while [ ${#} -gt 0 ]
do do
opt="${1}" __opt="${1}"
shift shift
case "${opt}" in
case "${__opt}" in
-h|--help) -h|--help)
_CMD="help" _CMD="help"
;; ;;
@ -242,11 +244,11 @@ do
*) *)
# The first non-option argument is assumed to be the command name. # The first non-option argument is assumed to be the command name.
# All subsequent arguments are added to $_COMMAND_ARGV. # All subsequent arguments are added to $_COMMAND_ARGV.
if [[ -n ${_CMD} ]] if [[ -n "${_CMD:-}" ]]
then then
_COMMAND_ARGV+=("${opt}") _COMMAND_ARGV+=("${__opt}")
else else
_CMD="${opt}" _CMD="${__opt}"
fi fi
;; ;;
esac esac
@ -423,8 +425,9 @@ _command_exists() {
# #
# Takes an item and a list and determines whether the list contains the item. # Takes an item and a list and determines whether the list contains the item.
_contains() { _contains() {
local test_list=(${*:2}) local _test_list=(${*:2})
for _test_element in "${test_list[@]:-}"
for _test_element in "${_test_list[@]:-}"
do do
_debug printf "_contains() \${_test_element}: %s\\n" "${_test_element}" _debug printf "_contains() \${_test_element}: %s\\n" "${_test_element}"
if [[ "${_test_element}" == "${1}" ]] if [[ "${_test_element}" == "${1}" ]]
@ -539,7 +542,7 @@ sudo !!\\n"
# escaping backslashes, which is more common. # escaping backslashes, which is more common.
desc() { desc() {
set +e set +e
[[ -z ${1} ]] && _die printf "desc: No command name specified.\\n" [[ -z ${1:-} ]] && _die printf "desc: No command name specified.\\n"
if [[ -n ${2:-} ]] if [[ -n ${2:-} ]]
then then
read -r -d '' "_desc_${1}" <<HEREDOC read -r -d '' "_desc_${1}" <<HEREDOC
@ -561,10 +564,11 @@ HEREDOC
# Prints the description for a given command, provided the description has been # Prints the description for a given command, provided the description has been
# set using the desc() function. # set using the desc() function.
_print_desc() { _print_desc() {
local var="_desc_${1}" local _var="_desc_${1:-}"
if [[ -n ${!var:-} ]]
if [[ -n "${!_var:-}" ]]
then then
printf "%s\\n" "${!var}" printf "%s\\n" "${!_var}"
else else
printf "No additional information for \`%s\`\\n" "${1}" printf "No additional information for \`%s\`\\n" "${1}"
fi fi
@ -710,45 +714,48 @@ add() {
_debug printf "add() \${3}: %s\\n" "${3:-}" _debug printf "add() \${3}: %s\\n" "${3:-}"
_verify_write_permissions "$@" _verify_write_permissions "$@"
local ip=${1:-}
local hostname=${2:-} local _ip="${1:-}"
local comment=${*:3} local _hostname="${2:-}"
if [[ -z ${ip} ]] local _comment="${*:3}"
if [[ -z "${_ip:-}" ]]
then then
${_ME} help add "${_ME}" help add
exit 1 exit 1
elif [[ -z ${hostname} ]] elif [[ -z "${_hostname:-}" ]]
then then
printf "Please include a hostname\\n" printf "Please include a hostname\\n"
${_ME} help add "${_ME}" help add
exit 1 exit 1
elif grep \ elif grep \
-e "^${ip}\\t${hostname}$" \ -e "^${_ip}\\t${_hostname}$" \
-e "^${ip}\\t${hostname}\\t.*$" "${HOSTS_PATH}" -e "^${_ip}\\t${_hostname}\\t.*$" "${HOSTS_PATH}"
then then
_die printf \ _die printf \
"Duplicate address/host combination, %s unchanged.\\n" \ "Duplicate address/host combination, %s unchanged.\\n" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
else else
if [[ -n ${comment} ]] if [[ -n "${_comment:-}" ]]
then then
local formatted_comment local _formatted_comment
formatted_comment=$(_join " " "${comment[@]}") _formatted_comment=$(_join " " "${_comment[@]}")
printf "%s\\t%s\\t# %s\\n" \ printf "%s\\t%s\\t# %s\\n" \
"${ip}" \ "${_ip}" \
"${hostname}" \ "${_hostname}" \
"${formatted_comment}" >> "${HOSTS_PATH}" "${_formatted_comment}" >> "${HOSTS_PATH}"
printf "Added:\\n%s\\t%s\\t# %s\\n" \ printf "Added:\\n%s\\t%s\\t# %s\\n" \
"${ip}" \ "${_ip}" \
"${hostname}" \ "${_hostname}" \
"${formatted_comment}" "${_formatted_comment}"
else else
printf "%s\\t%s\\n" \ printf "%s\\t%s\\n" \
"${ip}" \ "${_ip}" \
"${hostname}" >> "${HOSTS_PATH}" "${_hostname}" >> "${HOSTS_PATH}"
printf "Added:\\n%s\\t%s\\n" \ printf "Added:\\n%s\\t%s\\n" \
"${ip}" \ "${_ip}" \
"${hostname}" "${_hostname}"
fi fi
fi fi
} }
@ -765,16 +772,17 @@ Description:
HEREDOC HEREDOC
block() { block() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
if [[ -z "${1}" ]]
if [[ -z "${1:-}" ]]
then then
${_ME} help block "${_ME}" help block
exit 1 exit 1
fi fi
${_ME} add 127.0.0.1 "${1}" "${_ME}" add 127.0.0.1 "${1}"
# block IPv6 # block IPv6
${_ME} add "fe80::1%lo0" "${1}" "${_ME}" add "fe80::1%lo0" "${1}"
${_ME} add "::1" "${1}" "${_ME}" add "::1" "${1}"
} }
# --------------------------------------------------------------------- disable # --------------------------------------------------------------------- disable
@ -789,44 +797,48 @@ Description:
HEREDOC HEREDOC
disable() { disable() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
local search_string="${1}"
if [[ -z "${search_string}" ]] local _search_string="${1:-}"
if [[ -z "${_search_string:-}" ]]
then then
${_ME} help disable "${_ME}" help disable
exit 1 exit 1
else else
_debug printf "disable() \${search_string}: %s\\n" "${search_string}" _debug printf "disable() \${_search_string}: %s\\n" "${_search_string}"
target_regex_ip="^\\(${search_string}[${_TAB_SPACE_}]..*\\)$" _target_regex_ip="^\\(${_search_string}[${_TAB_SPACE_}]..*\\)$"
target_regex_commented_hostname="^\\([^#]..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$" _target_regex_commented_hostname="^\\([^#]..*[${_TAB_SPACE_}]${_search_string}[${_TAB_SPACE_}]..*\\)$"
target_regex_hostname="^\\([^#]..*[${_TAB_SPACE_}]${search_string}\\)$" _target_regex_hostname="^\\([^#]..*[${_TAB_SPACE_}]${_search_string}\\)$"
# Regular Expression Notes # Regular Expression Notes
# #
# - Note double periods in regular expression in order to emulate /.+/, # - Note double periods in regular expression in order to emulate /.+/,
# which apparently doesn't work properly with all versions of sed. # which apparently doesn't work properly with all versions of sed.
local targets local _targets
targets=$( _targets=$(
sed -n \ sed -n \
-e "s/${target_regex_ip}/\\1/p" \ -e "s/${_target_regex_ip}/\\1/p" \
-e "s/${target_regex_commented_hostname}/\\1/p" \ -e "s/${_target_regex_commented_hostname}/\\1/p" \
-e "s/${target_regex_hostname}/\\1/p" \ -e "s/${_target_regex_hostname}/\\1/p" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
) )
_debug printf "disable() \${targets}: %s\\n" "${targets}"
if [[ -z "${targets}" ]] _debug printf "disable() \${_targets}: %s\\n" "${_targets}"
if [[ -z "${_targets:-}" ]]
then then
_die printf "Not found: %s\\n" "${search_string}" _die printf "Not found: %s\\n" "${_search_string}"
fi fi
printf "Disabling:\\n%s\\n" "${targets}" printf "Disabling:\\n%s\\n" "${_targets}"
# -i '' - in place edit. BSD sed requires extension argument, for GNU # -i '' - in place edit. BSD sed requires extension argument, for GNU
# it's optional. More info: http://stackoverflow.com/a/16746032 # it's optional. More info: http://stackoverflow.com/a/16746032
sed -i '' \ sed -i '' \
-e "s/${target_regex_ip}/\\#disabled: \\1/g" \ -e "s/${_target_regex_ip}/\\#disabled: \\1/g" \
-e "s/${target_regex_commented_hostname}/\\#disabled: \\1/g" \ -e "s/${_target_regex_commented_hostname}/\\#disabled: \\1/g" \
-e "s/${target_regex_hostname}/\\#disabled: \\1/g" \ -e "s/${_target_regex_hostname}/\\#disabled: \\1/g" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
fi fi
} }
@ -841,7 +853,7 @@ Description:
List all disabled records. This is an alias for \`hosts list disabled\`. List all disabled records. This is an alias for \`hosts list disabled\`.
HEREDOC HEREDOC
disabled() { disabled() {
${_ME} list disabled "${_ME}" list disabled
} }
# ------------------------------------------------------------------------ edit # ------------------------------------------------------------------------ edit
@ -855,6 +867,7 @@ Description:
HEREDOC HEREDOC
edit() { edit() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
if [[ -z "${EDITOR}" ]] if [[ -z "${EDITOR}" ]]
then then
_die printf "\$EDITOR not set.\\n" _die printf "\$EDITOR not set.\\n"
@ -875,44 +888,48 @@ Description:
HEREDOC HEREDOC
enable() { enable() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
local search_string="${1}"
if [[ -z "${search_string}" ]] local _search_string="${1:-}"
if [[ -z "${_search_string:-}" ]]
then then
${_ME} help enable "${_ME}" help enable
exit 1 exit 1
else else
_debug printf "enable() \${search_string}: %s\\n" "${search_string}" _debug printf "enable() \${_search_string}: %s\\n" "${_search_string}"
target_regex_ip="^\\#disabled: \\(${search_string}[${_TAB_SPACE_}]..*\\)$" _target_regex_ip="^\\#disabled: \\(${_search_string}[${_TAB_SPACE_}]..*\\)$"
target_regex_commented_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$" _target_regex_commented_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${_search_string}[${_TAB_SPACE_}]..*\\)$"
target_regex_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${search_string}\\)$" _target_regex_hostname="^\\#disabled: \\(..*[${_TAB_SPACE_}]${_search_string}\\)$"
# Regular Expression Notes # Regular Expression Notes
# #
# - Note double periods in regular expression in order to emulate /.+/, # - Note double periods in regular expression in order to emulate /.+/,
# which apparently doesn't work properly with all versions of sed. # which apparently doesn't work properly with all versions of sed.
local targets local _targets
targets=$( _targets=$(
sed -n \ sed -n \
-e "s/${target_regex_ip}/\\1/p" \ -e "s/${_target_regex_ip}/\\1/p" \
-e "s/${target_regex_commented_hostname}/\\1/p" \ -e "s/${_target_regex_commented_hostname}/\\1/p" \
-e "s/${target_regex_hostname}/\\1/p" \ -e "s/${_target_regex_hostname}/\\1/p" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
) )
_debug printf "enable() \${targets}: %s\\n" "${targets}"
if [[ -z "${targets}" ]] _debug printf "enable() \${targets}: %s\\n" "${_targets}"
if [[ -z "${_targets:-}" ]]
then then
_die printf "Not found: %s\\n" "${search_string}" _die printf "Not found: %s\\n" "${_search_string}"
fi fi
printf "Enabling:\\n%s\\n" "${targets}" printf "Enabling:\\n%s\\n" "${_targets}"
# -i '' - in place edit. BSD sed requires extension argument, for GNU # -i '' - in place edit. BSD sed requires extension argument, for GNU
# it's optional. More info: http://stackoverflow.com/a/16746032 # it's optional. More info: http://stackoverflow.com/a/16746032
sed -i '' \ sed -i '' \
-e "s/${target_regex_ip}/\\1/g" \ -e "s/${_target_regex_ip}/\\1/g" \
-e "s/${target_regex_commented_hostname}/\\1/g" \ -e "s/${_target_regex_commented_hostname}/\\1/g" \
-e "s/${target_regex_hostname}/\\1/g" \ -e "s/${_target_regex_hostname}/\\1/g" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
fi fi
} }
@ -927,7 +944,7 @@ Description:
List all enabled records. This is an alias for \`hosts list enabled\`. List all enabled records. This is an alias for \`hosts list enabled\`.
HEREDOC HEREDOC
enabled() { enabled() {
${_ME} list enabled "${_ME}" list enabled
} }
# ------------------------------------------------------------------------ file # ------------------------------------------------------------------------ file
@ -956,29 +973,30 @@ Description:
HEREDOC HEREDOC
list() { list() {
# Get the disabled records up front for the two cases where they are needed. # Get the disabled records up front for the two cases where they are needed.
local disabled_records local _disabled_records
disabled_records=$( _disabled_records=$(
sed -n "s/^\\#disabled: \\(.*\\)$/\\1/p" "${HOSTS_PATH}" sed -n "s/^\\#disabled: \\(.*\\)$/\\1/p" "${HOSTS_PATH}"
) )
if [[ -n "${1}" ]] if [[ -n "${1:-}" ]]
then then
if [[ "${1}" == "disabled" ]] if [[ "${1}" == "disabled" ]]
then then
printf "%s\\n" "${disabled_records}" printf "%s\\n" "${_disabled_records}"
elif [[ "${1}" == "enabled" ]] elif [[ "${1}" == "enabled" ]]
then then
grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}" grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}"
else else
${_ME} show "${1}" "${_ME}" show "${1}"
fi fi
else else
# NOTE: use separate expressions since using a | for the or results in # NOTE: use separate expressions since using a | for the or results in
# inconsistent behavior. # inconsistent behavior.
grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}" grep -v -e '^$' -e '^\s*\#' "${HOSTS_PATH}"
if [[ -n "${disabled_records}" ]]
if [[ -n "${_disabled_records:-}" ]]
then then
printf "\\nDisabled:\\n%s\\n" "${disabled_records}" printf "\\nDisabled:\\n%s\\n" "${_disabled_records}"
fi fi
fi fi
} }
@ -1000,45 +1018,48 @@ Description:
HEREDOC HEREDOC
remove() { remove() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
local is_search_pair=0
local force_skip_prompt=0 local _is_search_pair=0
local arguments=() local _force_skip_prompt=0
local search_ip="" local _arguments=()
local search_hostname="" local _search_ip=""
local search_string="" local _search_hostname=""
local _search_string=""
_debug printf "remove() \${1}: %s\\n" "${1:-}" _debug printf "remove() \${1}: %s\\n" "${1:-}"
_debug printf "remove() \${2}: %s\\n" "${2:-}" _debug printf "remove() \${2}: %s\\n" "${2:-}"
for arg in "${_COMMAND_ARGV[@]:-}" for __arg in "${_COMMAND_ARGV[@]:-}"
do do
case ${arg} in case "${__arg}" in
--force) --force)
force_skip_prompt=1 _force_skip_prompt=1
;; ;;
*) *)
arguments+=(${arg}) _arguments+=("${__arg}")
;; ;;
esac esac
done done
_debug printf "remove() \${arguments[0]}: %s\\n" "${arguments[0]:-}" _debug printf "remove() \${arguments[0]}: %s\\n" "${_arguments[0]:-}"
_debug printf "remove() \${arguments[1]}: %s\\n" "${arguments[1]:-}" _debug printf "remove() \${arguments[1]}: %s\\n" "${_arguments[1]:-}"
_debug printf "remove() \${arguments[2]}: %s\\n" "${arguments[2]:-}" _debug printf "remove() \${arguments[2]}: %s\\n" "${_arguments[2]:-}"
if [[ -z "${arguments[1]:-}" ]] if [[ -z "${_arguments[1]:-}" ]]
then then
${_ME} help remove "${_ME}" help remove
exit 1 exit 1
elif [[ -n "${arguments[2]:-}" ]] elif [[ -n "${_arguments[2]:-}" ]]
then then
search_ip="${arguments[1]}" _search_ip="${_arguments[1]}"
search_hostname="${arguments[2]}" _search_hostname="${_arguments[2]}"
is_search_pair=1 _is_search_pair=1
_debug printf "remove() \${is_search_pair}: %s\\n" "${is_search_pair}"
_debug printf "remove() \${_is_search_pair}: %s\\n" "${_is_search_pair}"
else else
search_string="${arguments[1]:-}" _search_string="${_arguments[1]:-}"
_debug printf "remove() \${search_string}: %s\\n" "${search_string}"
_debug printf "remove() \${_search_string}: %s\\n" "${_search_string}"
fi fi
# Regular Expression Notes # Regular Expression Notes
@ -1047,46 +1068,48 @@ remove() {
# which apparently doesn't work properly with all versions of sed. # which apparently doesn't work properly with all versions of sed.
# #
# IP / Hostname pair regular expressions: # IP / Hostname pair regular expressions:
local target_regex_ip_hostname_commented="^\\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}[${_TAB_SPACE_}]..*\\)$" local _target_regex_ip_hostname_commented="^\\(${_search_ip}[${_TAB_SPACE_}]*${_search_hostname}[${_TAB_SPACE_}]..*\\)$"
local target_regex_ip_hostname="^\\(${search_ip}[${_TAB_SPACE_}]*${search_hostname}\\)$" local _target_regex_ip_hostname="^\\(${_search_ip}[${_TAB_SPACE_}]*${_search_hostname}\\)$"
# Search string regular expressions: # Search string regular expressions:
local target_regex_ip="^\\(${search_string}[${_TAB_SPACE_}]..*\\)$" local _target_regex_ip="^\\(${_search_string}[${_TAB_SPACE_}]..*\\)$"
local target_regex_commented_hostname="^\\(..*[${_TAB_SPACE_}]${search_string}[${_TAB_SPACE_}]..*\\)$" local _target_regex_commented_hostname="^\\(..*[${_TAB_SPACE_}]${_search_string}[${_TAB_SPACE_}]..*\\)$"
local target_regex_hostname="^\\(..*[${_TAB_SPACE_}]${search_string}\\)$" local _target_regex_hostname="^\\(..*[${_TAB_SPACE_}]${_search_string}\\)$"
local target_records local _target_records
if ((is_search_pair)) if ((_is_search_pair))
then then
target_records=$( _target_records=$(
sed -n \ sed -n \
-e "s/${target_regex_ip_hostname_commented}/\\1/p" \ -e "s/${_target_regex_ip_hostname_commented}/\\1/p" \
-e "s/${target_regex_ip_hostname}/\\1/p" \ -e "s/${_target_regex_ip_hostname}/\\1/p" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
) )
else else
target_records=$( _target_records=$(
sed -n \ sed -n \
-e "s/${target_regex_ip}/\\1/p" \ -e "s/${_target_regex_ip}/\\1/p" \
-e "s/${target_regex_commented_hostname}/\\1/p" \ -e "s/${_target_regex_commented_hostname}/\\1/p" \
-e "s/${target_regex_hostname}/\\1/p" \ -e "s/${_target_regex_hostname}/\\1/p" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
) )
fi fi
if [[ -z ${target_records:-} ]] if [[ -z "${_target_records:-}" ]]
then then
printf "No matching records found.\\n" printf "No matching records found.\\n"
exit 1 exit 1
fi fi
if ! ((force_skip_prompt)) if ! ((_force_skip_prompt))
then then
printf "Removing the following records:\\n%s\\n" "${target_records}" printf "Removing the following records:\\n%s\\n" "${_target_records}"
while true while true
do do
read -r -p "Are you sure you want to proceed? [y/N] " yn read -r -p "Are you sure you want to proceed? [y/N] " _yn
case ${yn} in
case "${_yn}" in
[Yy]* ) [Yy]* )
break break
;; ;;
@ -1102,20 +1125,21 @@ remove() {
# #
# -i '' - in place edit. BSD sed requires extension argument, for GNU # -i '' - in place edit. BSD sed requires extension argument, for GNU
# it's optional. More info: http://stackoverflow.com/a/16746032 # it's optional. More info: http://stackoverflow.com/a/16746032
if ((is_search_pair)) if ((_is_search_pair))
then then
sed -i '' \ sed -i '' \
-e "/${target_regex_ip_hostname_commented}/d" \ -e "/${_target_regex_ip_hostname_commented}/d" \
-e "/${target_regex_ip_hostname}/d" \ -e "/${_target_regex_ip_hostname}/d" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
else else
sed -i '' \ sed -i '' \
-e "/${target_regex_ip}/d" \ -e "/${_target_regex_ip}/d" \
-e "/${target_regex_commented_hostname}/d" \ -e "/${_target_regex_commented_hostname}/d" \
-e "/${target_regex_hostname}/d" \ -e "/${_target_regex_hostname}/d" \
"${HOSTS_PATH}" "${HOSTS_PATH}"
fi fi
printf "Removed:\\n%s\\n" "${target_records}"
printf "Removed:\\n%s\\n" "${_target_records}"
} }
# ---------------------------------------------------------------------- search # ---------------------------------------------------------------------- search
@ -1130,9 +1154,10 @@ HEREDOC
search() { search() {
if _blank "${_COMMAND_ARGV[1]:-}" if _blank "${_COMMAND_ARGV[1]:-}"
then then
$_ME help "search" "${_ME}" help "search"
return 1 return 1
fi fi
list "$@" list "$@"
} }
@ -1146,28 +1171,30 @@ Description:
Print entries matching a given IP address, hostname, or search string. Print entries matching a given IP address, hostname, or search string.
HEREDOC HEREDOC
show() { show() {
if [[ -n "${1}" ]] if [[ -n "${1:-}" ]]
then then
# Run `sed` before `grep` to avoid conflict that supress `sed` output. # Run `sed` before `grep` to avoid conflict that supress `sed` output.
local disabled_records local _disabled_records
disabled_records=$( _disabled_records=$(
sed -n "s/^\\#\\(disabled: .*${1}.*\\)$/\\1/p" "${HOSTS_PATH}" sed -n "s/^\\#\\(disabled: .*${1}.*\\)$/\\1/p" "${HOSTS_PATH}"
) )
local enabled_records
enabled_records=$( local _enabled_records
_enabled_records=$(
grep "^[^#]*${1}" "${HOSTS_PATH}" grep "^[^#]*${1}" "${HOSTS_PATH}"
) )
# Output disabled records secondly for better organization. # Output disabled records secondly for better organization.
if [[ -n "${enabled_records}" ]] if [[ -n "${_enabled_records}" ]]
then then
printf "%s\\n" "${enabled_records}" printf "%s\\n" "${_enabled_records}"
fi fi
if [[ -n "${disabled_records}" ]] if [[ -n "${_disabled_records}" ]]
then then
printf "%s\\n" "${disabled_records}" printf "%s\\n" "${_disabled_records}"
fi fi
else else
${_ME} help show "${_ME}" help show
exit 1 exit 1
fi fi
} }
@ -1183,16 +1210,17 @@ Description:
HEREDOC HEREDOC
unblock() { unblock() {
_verify_write_permissions "$@" _verify_write_permissions "$@"
if [[ -z "${1}" ]]
if [[ -z "${1:-}" ]]
then then
${_ME} help unblock "${_ME}" help unblock
exit 1 exit 1
fi fi
${_ME} remove 127.0.0.1 "${1}" --force "${_ME}" remove 127.0.0.1 "${1}" --force
# unblock IPv6 # unblock IPv6
${_ME} remove "fe80::1%lo0" "${1}" --force "${_ME}" remove "fe80::1%lo0" "${1}" --force
${_ME} remove "::1" "${1}" --force "${_ME}" remove "::1" "${1}" --force
} }
############################################################################### ###############################################################################