usr.sbin/bsdconfig/networking/share/media.subr

   1 if [ ! "$_NETWORKING_MEDIA_SUBR" ]; then _NETWORKING_MEDIA_SUBR=1
   2 #
   3 # Copyright (c) 2006-2013 Devin Teske
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25 # SUCH DAMAGE.
  26 #
  27 # $FreeBSD$
  28 #
  29 ############################################################ INCLUDES
  30
  31 BSDCFG_SHARE="/usr/share/bsdconfig"
  32 . $BSDCFG_SHARE/common.subr || exit 1
  33 f_dprintf "%s: loading includes..." networking/media.subr
  34 f_include $BSDCFG_SHARE/dialog.subr
  35 f_include $BSDCFG_SHARE/networking/common.subr
  36 f_include $BSDCFG_SHARE/strings.subr
  37 f_include $BSDCFG_SHARE/sysrc.subr
  38
  39 BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking"
  40 f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
  41
  42 ############################################################ FUNCTIONS
  43
  44 # f_ifconfig_options $interface
  45 #
  46 # Returns any/all extra ifconfig(8) parameters associated with $interface.
  47 #
  48 f_ifconfig_options()
  49 {
  50         local interface="$1"
  51         [ "$interface" ] || return $SUCCESS
  52
  53         #
  54         # Loop over the options, removing what we don't want
  55         #
  56         (
  57                 set -- $( f_sysrc_get ifconfig_$interface )
  58
  59                 #
  60                 # Return if the interface is configured for DHCP
  61                 #
  62                 glob="[Dd][Hh][Cc][Pp]"
  63                 case "$*" in
  64                 $glob|[Ss][Yy][Nn][Cc]$glob|[Nn][Oo][Ss][Yy][Nn][Cc]$glob)
  65                         exit $SUCCESS
  66                 esac
  67
  68                 output=
  69                 while [ $# -gt 0 ]; do
  70                         case "$1" in
  71                         inet|netmask) shift 1 ;;
  72                         *) output="$output${output:+ }$1"
  73                         esac
  74                         shift 1
  75                 done
  76                 echo "$output"
  77         )
  78 }
  79
  80 # f_ifconfig_media $interface
  81 #
  82 # Returns list of supported media for $interface.
  83 #
  84 f_ifconfig_media()
  85 {
  86         local interface="$1"
  87         ifconfig -m "$interface" 2> /dev/null | awk \
  88         '
  89                 BEGIN { media_found = 0 }
  90                 {
  91                         if ( media_found == 1 ) { print; next }
  92                 }
  93                 ( $1 $2 == "supported" "media:" ) \
  94                 {
  95                         media_found = 1
  96                         next
  97                 }
  98                 END { exit ! media_found }
  99         '
 100 }
 101
 102 # f_dialog_input_options $interface
 103 #
 104 # Input custom interface options. If the user does not press ESC or choose
 105 # Cancel/No, $options will hold the user's input. Default input is taken from
 106 # the same variable ($options).
 107 #
 108 f_dialog_input_options()
 109 {
 110         local interface="$1"
 111
 112         #
 113         # Return with-error when there are NFS-mounts currently active. If the
 114         # options are changed while NFS-exported directories are mounted,
 115         # the system may hang (if any NFS mounts are using that interface).
 116         #
 117         if f_nfs_mounted && ! f_jailed; then
 118                 local setting
 119                 f_sprintf setting "$msg_current_options" \
 120                                   "$interface" "$options"
 121                 f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" ||
 122                         return $DIALOG_CANCEL
 123         fi
 124
 125         local msg
 126         f_sprintf msg "$msg_please_enter_mediaopts" "$interface"
 127         local hline="$hline_alnum_punc_tab_enter"
 128
 129         local _options
 130         _options=$( $DIALOG \
 131                 --title "$DIALOG_TITLE"         \
 132                 --backtitle "$DIALOG_BACKTITLE" \
 133                 --hline "$hline"                \
 134                 --ok-label "$msg_ok"            \
 135                 --cancel-label "$msg_cancel"    \
 136                 --inputbox "$msg" 9 70          \
 137                 "$options"                      \
 138                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 139         )
 140         local retval=$?
 141         f_dialog_line_sanitize _options
 142
 143         [ $retval -eq $DIALOG_OK ] && options="$_options"
 144
 145         return $retval
 146 }
 147
 148 # f_dialog_menu_media_options $interface
 149 #
 150 # Display a menu of additional media options for the given network interface.
 151 #
 152 f_dialog_menu_media_options()
 153 {
 154         local interface="$1" _options="$2"
 155         #
 156         # Not all network interfaces support additional media options, but
 157         # when available we should prompt the user to select from a list
 158         # of available options (or none, as is the first/default option).
 159         #
 160
 161         #
 162         # Return with-error when there are NFS-mounts currently active. If the
 163         # media options are changed while NFS-exported directories are mounted,
 164         # the system may hang (if any NFS mounts are using that interface).
 165         #
 166         if f_nfs_mounted && ! f_jailed; then
 167                 local setting
 168                 f_sprintf setting "$msg_current_options" \
 169                                   "$interface" "$_options"
 170                 f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" ||
 171                         return $DIALOG_CANCEL
 172         fi
 173
 174         #
 175         # Build list of additional media options
 176         #
 177         local opt_none="$msg_no_options"
 178         local opt_cust="$msg_custom"
 179         local supported_media="$(
 180                 f_ifconfig_media $interface | \
 181                 ( index=1
 182
 183                   echo "'$( f_substr "$DIALOG_MENU_TAGS" $index 1 )'"
 184                   echo "'$opt_none'"
 185                   index=$(( $index + 1 ))
 186
 187                   echo "'$( f_substr "$DIALOG_MENU_TAGS" $index 1 )'"
 188                   echo "'$opt_cust'"
 189                   index=$(( $index + 1 ))
 190
 191                   while read media_options; do
 192                         [ $index -lt ${#DIALOG_MENU_TAGS} ] || break
 193                         echo "'$( f_substr "$DIALOG_MENU_TAGS" $index 1 )'"
 194                         echo "'$media_options'"
 195                         index=$(( $index + 1 ))
 196                   done
 197                 )
 198         )"
 199
 200         local msg
 201         if [ "$USE_XDIALOG" ]; then
 202                 f_sprintf msg "$xmsg_supported_media_options" \
 203                               "$interface" "$interface"
 204         else
 205                 f_sprintf msg "$msg_supported_media_options" \
 206                               "$interface" "$interface"
 207         fi
 208
 209         local hline="$hline_arrows_tab_enter"
 210
 211         local tag
 212         tag=$( eval $DIALOG \
 213                 --title \"\$DIALOG_TITLE\"         \
 214                 --backtitle \"\$DIALOG_BACKTITLE\" \
 215                 --hline \"\$hline\"                \
 216                 --ok-label \"\$msg_ok\"            \
 217                 --cancel-label \"\$msg_cancel\"    \
 218                 --menu \"\$msg\" 21 60 12          \
 219                 $supported_media                   \
 220                 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
 221         )
 222         local retval=$?
 223         f_dialog_data_sanitize tag
 224
 225         if [ $retval -eq $DIALOG_OK ]; then
 226                 options=$( eval f_dialog_menutag2item \"\$tag\" \
 227                                                       $supported_media )
 228                 case "$options" in
 229                 "$opt_none")
 230                         options=
 231                         ;;
 232                 "$opt_cust")
 233                         options="$_options"
 234                         f_dialog_input_options "$interface"
 235                         retval=$?
 236                         ;;
 237                 esac
 238         fi
 239
 240         return $retval
 241 }
 242
 243 ############################################################ MAIN
 244
 245 f_dprintf "%s: Successfully loaded." networking/media.subr
 246
 247 fi # ! $_NETWORKING_MEDIA_SUBR