diff options
Diffstat (limited to 'usr.sbin/bsdconfig/networking/share/netmask.subr')
| -rw-r--r-- | usr.sbin/bsdconfig/networking/share/netmask.subr | 83 |
1 files changed, 1 insertions, 82 deletions
diff --git a/usr.sbin/bsdconfig/networking/share/netmask.subr b/usr.sbin/bsdconfig/networking/share/netmask.subr index 3a8665d..e6838e5 100644 --- a/usr.sbin/bsdconfig/networking/share/netmask.subr +++ b/usr.sbin/bsdconfig/networking/share/netmask.subr @@ -1,6 +1,6 @@ if [ ! "$_NETWORKING_NETMASK_SUBR" ]; then _NETWORKING_NETMASK_SUBR=1 # -# Copyright (c) 2006-2012 Devin Teske +# Copyright (c) 2006-2013 Devin Teske # All Rights Reserved. # # Redistribution and use in source and binary forms, with or without @@ -40,87 +40,6 @@ f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr ############################################################ FUNCTIONS -# f_ifconfig_netmask $interface -# -# Returns the IPv4 subnet mask associated with $interface. -# -f_ifconfig_netmask() -{ - local interface="$1" octets - octets=$( ifconfig "$interface" 2> /dev/null | awk \ - ' - BEGIN { found = 0 } - ( $1 == "inet" ) \ - { - printf "%s %s %s %s\n", - substr($4,3,2), - substr($4,5,2), - substr($4,7,2), - substr($4,9,2) - found = 1 - exit - } - END { exit ! found } - ' ) || return $FAILURE - - local octet netmask= - for octet in $octets; do - netmask="$netmask${netmask:+.}$( printf "%u" "0x$octet" )" - done - echo $netmask -} - -# f_validate_netmask $netmask -# -# Returns zero if the given argument (a subnet mask) is of the proper format. -# -# The return status for invalid IP address is one of: -# 1 One or more individual fields within the subnet mask (separated -# by dots) contains one or more invalid characters. -# 2 One or more individual fields within the subnet mask are null -# and/or missing. -# 3 One or more individual fields within the subnet mask exceeds -# the maximum of 255 (a full 8-bit register). -# 4 The subnet mask has either too few or too many fields. -# 5 One or more individual fields within the subnet mask is an -# invalid integer (only 0,128,192,224,240,248,252,254,255 are -# valid integers). -# -f_validate_netmask() -{ - local mask="$1" - - ( # Operate within a sub-shell to protect the parent environment - - # Track number of fields for error checking - nfields=0 - - IFS="." # Split on `dot' - for field in $mask; do - - # Return error if the field is null - [ "$field" ] || exit 2 - - # Return error if not a whole positive integer - f_isinteger "$field" || exit 1 - - # Return error if the field exceeds 255 - [ $field -gt 255 ] && exit 3 - - # Return error if the field is an invalid integer - case "$field" in - 0|128|192|224|240|248|252|254|255) :;; - *) exit 5;; - esac - - nfields=$(( $nfields + 1 )) - - done - - [ $nfields -eq 4 ] || exit 4 - ) -} - # f_dialog_maskerror $error $netmask # # Display a msgbox with the appropriate error message for an error returned by |
