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📄 group.subr(15.37 KB)
📄 group_input.subr(18.19 KB)
📄 user.subr(39.77 KB)
📄 user_input.subr(41.89 KB)

Editing: group_input.subr

if [ ! "$_USERMGMT_GROUP_INPUT_SUBR" ]; then _USERMGMT_GROUP_INPUT_SUBR=1
#
# Copyright (c) 2012 Ron McDowell
# Copyright (c) 2012-2014 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
#
# $FreeBSD$
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." usermgmt/group_input.subr
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/strings.subr

BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="070.usermgmt"
f_include_lang $BSDCFG_LIBE/include/messages.subr
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr

############################################################ FUNCTIONS

# f_input_group $group
#
# Given $group name or id, create the environment variables group_name,
# group_gid, and group_members (and group_password is reset to NULL).
#
f_input_group()
{
	local funcname=f_input_group
	local group="$1"

f_dprintf "$funcname: Getting info for group \`%s'" "$group"
	eval "$( pw groupshow "$group" 2> /dev/null | awk -F: '
	function set_value(var, value) {
		gsub(/'\''/, "'\''\\'\'\''", value)
		printf "group_%s='\'%s\''\n", var, value
	}
	{
		found = $1 != ""
		set_value("name",     $1)
		set_value("password", "")
		set_value("gid",      $3)
		set_value("members",  $4)
		exit
	}
	END { if (!found) print "false" }' )"
}

# f_dialog_menu_group_list [$default]
#
# Allows the user to select a group from a list. Optionally, if present and
# non-NULL, initially highlight $default group.
#
f_dialog_menu_group_list()
{
	local prompt=
	local menu_list="
		'X $msg_exit' ''
	" # END-QUOTE
	local defaultitem="$1"
	local hline="$hline_alnum_punc_tab_enter"

# Add groups from group(5)
	menu_list="$menu_list $( pw groupshow -a | awk -F: '
		function mprint(tag, item) {
			gsub(/'\''/, "'\''\\'\'\''", tag)
			gsub(/'\''/, "'\''\\'\'\''", item)
			printf "'\'%s\'\ \'%s\''\n", tag, item
		}
		!/^[[:space:]]*(#|$)/ { mprint($1, $1) }
	' )"

local height width rows
	eval f_dialog_menu_size height width rows \
	                        \"\$DIALOG_TITLE\"     \
	                        \"\$DIALOG_BACKTITLE\" \
	                        \"\$prompt\"           \
	                        \"\$hline\"            \
	                        $menu_list

local menu_choice
	menu_choice=$( eval $DIALOG \
		--title \"\$DIALOG_TITLE\"         \
		--backtitle \"\$DIALOG_BACKTITLE\" \
		--hline \"\$hline\"                \
		--ok-label \"\$msg_ok\"            \
		--cancel-label \"\$msg_cancel\"    \
		--default-item \"\$defaultitem\"   \
		--menu \"\$prompt\"                \
		$height $width $rows               \
		$menu_list                         \
		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
	)
	local retval=$?
	f_dialog_menutag_store -s "$menu_choice"
	return $retval
}

# f_dialog_input_group_name $var_to_set [$group_name]
#
# Allows the user to enter a name for a new group. If the user does not cancel
# or press ESC, the $var_to_set variable will hold the newly-configured value
# upon return.
#
f_dialog_input_group_name()
{
	local __var_to_set="$1" __name="$2"

#
	# Loop until the user provides taint-free/valid input
	#
	local __input="$__name"
	while :; do
		# Return if user has either pressed ESC or chosen Cancel/No
		f_dialog_input __input "$msg_group" "$__input" \
		               "$hline_alnum_tab_enter" || return $?

# Check for no-change
		if [ "$__input" = "$__name" ]; then
			setvar "$__var_to_set" "$__input"
			return $DIALOG_OK
		fi

# Check for NULL entry
		if [ ! "$__input" ]; then
			f_show_msg "$msg_group_is_empty"
			continue
		fi

# Check for invalid entry
		case "$__input" in [!a-zA-Z]*)
			f_show_msg "$msg_group_must_start_with_letter"
			continue
		esac

# Check for duplicate entry
		if f_quietly pw groupshow -n "$__input"; then
			f_show_msg "$msg_group_already_used" "$__input"
			continue
		fi

setvar "$__var_to_set" "$__input"
		break
	done

return $DIALOG_OK
}

# f_dialog_input_group_password $var_to_set $dvar_to_set
#
# Prompt the user to enter a password (twice). If the user does not cancel or
# press ESC, $var_to_set will hold the confirmed user entry. Otherwise, if the
# user cancels or enters a NULL password (twice), they are given the choice to
# disable password authentication for the given group, wherein $dvar_to_set has
# a value of 1 to indicate password authentication should be disabled.
#
f_dialog_input_group_password()
{
	local __var_to_set="$1" __dvar_to_set="$2"
	local __prompt1="$msg_group_password"
	local __prompt2="$msg_reenter_group_password"
	local __hline="$hline_alnum_punc_tab_enter"

local __height1 __width1
	f_dialog_inputbox_size __height1 __width1 \
	        	"$DIALOG_TITLE"     \
	        	"$DIALOG_BACKTITLE" \
	        	"$__prompt1"        \
	        	""                  \
	        	"$__hline"

local __height2 __width2
	f_dialog_inputbox_size __height2 __width2 \
	        	"$DIALOG_TITLE"     \
	        	"$DIALOG_BACKTITLE" \
	        	"$__prompt2"        \
	        	""                  \
	        	"$__hline"

#
	# Loop until the user provides taint-free/valid input
	#
	local __retval __password1 __password2
	while :; do
		__password1=$( $DIALOG \
			--title "$DIALOG_TITLE"         \
			--backtitle "$DIALOG_BACKTITLE" \
			--hline "$__hline"              \
			--ok-label "$msg_ok"            \
			--cancel-label "$msg_cancel"    \
			--insecure                      \
			--passwordbox "$__prompt1"      \
			$__height1 $__width1            \
			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
		)
		__retval=$?
		debug= f_dialog_line_sanitize __password1

# Return if user has either pressed ESC or chosen Cancel/No
		[ $__retval -eq $DIALOG_OK ] || return $__retval

__password2=$( $DIALOG \
			--title "$DIALOG_TITLE"         \
			--backtitle "$DIALOG_BACKTITLE" \
			--hline "$__hline"              \
			--ok-label "$msg_ok"            \
			--cancel-label "$msg_cancel"    \
			--insecure                      \
			--passwordbox "$__prompt2"      \
			$__height2 $__width2            \
			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
		)
		__retval=$?
		debug= f_dialog_line_sanitize __password2

# Return if user has either pressed ESC or chosen Cancel/No
		[ $__retval -eq $DIALOG_OK ] || return $__retval

# Check for password mismatch
		if [ "$__password1" != "$__password2" ]; then
			f_show_msg "$msg_group_passwords_do_not_match"
			continue
		fi

# Check for NULL entry
		if [ ! "$__password1" ]; then
			f_dialog_yesno "$msg_disable_password_auth_for_group"
			__retval=$?
			if [ $__retval -eq $DIALOG_ESC ]; then
				return $__retval
			elif [ $__retval -eq $DIALOG_OK ]; then
				setvar "$__dvar_to_set" 1
			else
				continue # back to password prompt
			fi
		else
			setvar "$__dvar_to_set" ""
		fi

setvar "$__var_to_set" "$__password1"
		break
	done

return $DIALOG_OK
}

# f_dialog_input_group_gid $var_to_set [$group_gid]
#
# Allow the user to enter a new GID for a given group. If the user does not
# cancel or press ESC, the $var_to_set variable will hold the newly-configured
# value upon return.
#
f_dialog_input_group_gid()
{
	local __var_to_set="$1" __input="$2"

# Return if user has either pressed ESC or chosen Cancel/No
	f_dialog_input __input "$msg_group_id_leave_empty_for_default" \
	               "$__input" "$hline_num_tab_enter" || return $?

setvar "$__var_to_set" "$__input"
	return $DIALOG_OK
}

# f_dialog_input_group_members $var_to_set [$group_members]
#
# Allow the user to modify a list of members for a given group. If the user
# does not cancel or press ESC, the $var_to_set variable will hold the newly-
# configured value upon return.
#
f_dialog_input_group_members()
{
	local __var_to_set="$1" __input="$2"
	local __prompt="$msg_group_members:"
	local __menu_list="
		'X' '$msg_continue'
		'1' '$msg_select_group_members_from_list'
		'2' '$msg_enter_group_members_manually'
	" # END-QUOTE
	local __defaultitem=
	local __hline="$hline_num_arrows_tab_enter"

local __mheight __mwidth __mrows
	eval f_dialog_menu_size __mheight __mwidth __mrows \
	                        \"\$DIALOG_TITLE\"     \
	                        \"\$DIALOG_BACKTITLE\" \
	                        \"\$__prompt\"         \
	                        \"\$__hline\"          \
	                        $__menu_list

local __menu_choice __retval
	while :; do
		__menu_choice=$( eval $DIALOG \
			--title \"\$DIALOG_TITLE\"         \
			--backtitle \"\$DIALOG_BACKTITLE\" \
			--hline \"\$__hline\"              \
			--ok-label \"\$msg_ok\"            \
			--cancel-label \"\$msg_cancel\"    \
			--default-item \"\$__defaultitem\" \
			--menu \"\$__prompt\"              \
			$__mheight $__mwidth $__mrows      \
			$__menu_list                       \
			2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
		)
		__retval=$?
		f_dialog_data_sanitize __menu_choice
		__defaultitem="$__menu_choice"
		f_dprintf "retval=%u menu_choice=[%s]" \
		          $__retval "$__menu_choice"

# Return if user has either pressed ESC or chosen Cancel/No
		[ $__retval -eq $DIALOG_OK ] || return $__retval

local __group_members
		case "$__menu_choice" in
		X) # Exit
			break ;;
		1) # Select Group Members from a list
			local __check_list= # Calculated below
			local __user_list __u __user __length=0
			__user_list=$( pw usershow -a |
				awk -F: '!/^[[:space:]]*(#|$)/{print $1}' )
			while [ $__length -ne ${#__user_list} ]; do
				__u="${__user_list%%$NL*}" # First line
				f_shell_escape "$__u" __user

# Format of a checklist entry: tag item status
				__check_list="$__check_list '$__user' ''"
				case "$__input" in
				"$__u"|"$__u",*|*,"$__u",*|*,"$__u")
					__check_list="$__check_list on" ;;
				*)
					__check_list="$__check_list off"
				esac

__length=${#__user_list}
				__user_list="${__user_list#*$NL}" # Kill line
			done

local __cheight __cwidth __crows
			eval f_dialog_checklist_size \
				__cheight __cwidth __crows \
				\"\$DIALOG_TITLE\"     \
				\"\$DIALOG_BACKTITLE\" \
				\"\$__prompt\"         \
				\"\$__hline\"          \
				$__check_list
			__group_members=$( eval $DIALOG \
				--title \"\$DIALOG_TITLE\"         \
				--backtitle \"\$DIALOG_BACKTITLE\" \
				--separate-output                  \
				--hline \"\$__hline\"              \
				--ok-label \"\$msg_ok\"            \
				--cancel-label \"\$msg_cancel\"    \
				--checklist \"\$__prompt\"         \
				$__cheight $__cwidth $__crows      \
				$__check_list                      \
				2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
			) || continue
				# Return to previous menu if user either
				# pressed ESC or chose Cancel/No
			f_dialog_data_sanitize __group_members

#
			# Convert the newline separated list into a comma-
			# separated one so that if the user switches over to
			# manual editing, list reflects checklist selections
			#
			f_replaceall "$__group_members" "[$NL]" "," __input
			;;
		2) # Enter Group Members manually
			local __prompt2="$msg_group_members"
			__prompt2="$__prompt2 ($msg_separated_by_commas)"

f_dialog_input __group_members \
			               "$__prompt2" "$__input" \
			               "$hline_num_tab_enter" || continue
				# Return to previous menu if user either
				# pressed ESC or chose Cancel/No

__input="$__group_members"
			;;
		esac
	done

setvar "$__var_to_set" "$__input"
	return $DIALOG_OK
}

# f_dialog_menu_group_add [$defaultitem]
#
# Present a menu detailing the properties of a group that is about to be added.
# The user's menu choice is available using f_dialog_menutag_fetch(). Returns
# success unless the user chose Cancel or pressed ESC. Data to display is taken
# from environment variables group_name, group_gid, and group_members. If
# $defaultitem is present and non-NULL, initially highlight the item in the
# menu.
#
f_dialog_menu_group_add()
{
	local prompt="$msg_save_exit_or_cancel"
	local menu_list # Calculated below
	local defaultitem="$1"
	local hline="$hline_arrows_tab_enter"

# Localize potentially hostile variables and escape their values
	# to the local variable (see f_shell_escape() of `strings.subr')
	local var
	for var in gid members name; do
		local _group_$var
		eval f_shell_escape \"\$group_$var\" _group_$var
	done

menu_list="
		'X' '$msg_add/$msg_exit'
		'1' '$msg_group: $_group_name'
		'2' '$msg_password: -----'
		'3' '$msg_group_id: $_group_gid'
		'4' '$msg_group_members: $_group_members'
	" # END-QUOTE

# f_dialog_menu_group_delete $group [$defaultitem]
#
# Present a menu detailing the properties of a group that is about to be
# deleted. The user's menu choice is available using f_dialog_menutag_fetch().
# Returns success unless the user chose Cancel or pressed ESC. Data to display
# is populated automatically from the system accounting database for the given
# $group argument. If $defaultitem is present and non-NULL, initially highlight
# the item in the menu.
#
f_dialog_menu_group_delete()
{
	local prompt="$msg_delete_exit_or_cancel"
	local menu_list # Calculated below
	local defaultitem="$2"
	local hline="$hline_arrows_tab_enter"

local group_name group_password group_gid group_members
	f_input_group "$1"

menu_list="
		'X' '$msg_delete/$msg_exit'
		'1' '$msg_group: $_group_name'
		'-' '$msg_password: -----'
		'-' '$msg_group_id: $_group_gid'
		'-' '$msg_group_members: $_group_members'
	" # END-QUOTE

# f_dialog_menu_group_edit [$defaultitem]
#
# Present a menu detailing the properties of a group that is about to be
# modified. The user's menu choice is available using f_dialog_menutag_fetch().
# Returns success unless the user chose Cancel or pressed ESC. Data to display
# is taken from environment variables group_name, group_gid, and group_members.
# If $defaultitem is present and non-NULL, initially highlight the item in the
# menu.
#
f_dialog_menu_group_edit()
{
	local prompt="$msg_save_exit_or_cancel"
	local menu_list # Calculated below
	local defaultitem="$1"
	local hline="$hline_arrows_tab_enter"

menu_list="
		'X' '$msg_save/$msg_exit'
		'1' '$msg_group: $_group_name'
		'2' '$msg_password: -----'
		'3' '$msg_group_id: $_group_gid'
		'4' '$msg_group_members: $_group_members'
	" # END-QUOTE

############################################################ MAIN

f_dprintf "%s: Successfully loaded." usermgmt/group_input.subr

fi # ! $_USERMGMT_GROUP_INPUT_SUBR

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