diff options
Diffstat (limited to 'usr.sbin/bsdconfig/networking/share/ipaddr.subr')
| -rw-r--r-- | usr.sbin/bsdconfig/networking/share/ipaddr.subr | 204 |
1 files changed, 2 insertions, 202 deletions
diff --git a/usr.sbin/bsdconfig/networking/share/ipaddr.subr b/usr.sbin/bsdconfig/networking/share/ipaddr.subr index d5398e5..4b39dd2 100644 --- a/usr.sbin/bsdconfig/networking/share/ipaddr.subr +++ b/usr.sbin/bsdconfig/networking/share/ipaddr.subr @@ -1,6 +1,6 @@ if [ ! "$_NETWORKING_IPADDR_SUBR" ]; then _NETWORKING_IPADDR_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 @@ -40,75 +40,10 @@ f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr ############################################################ FUNCTIONS -# f_ifconfig_inet $interface -# -# Returns the IPv4 address associated with $interface. -# -f_ifconfig_inet() -{ - local interface="$1" - ifconfig "$interface" 2> /dev/null | awk \ - ' - BEGIN { found = 0 } - ( $1 == "inet" ) \ - { - print $2 - found = 1 - exit - } - END { exit ! found } - ' -} - -# f_validate_ipaddr $ipaddr -# -# Returns zero if the given argument (an IP address) is of the proper format. -# -# The return status for invalid IP address is one of: -# 1 One or more individual octets within the IP address (separated -# by dots) contains one or more invalid characters. -# 2 One or more individual octets within the IP address are null -# and/or missing. -# 3 One or more individual octets within the IP address exceeds the -# maximum of 255 (or 2^8, being an octet comprised of 8 bits). -# 4 The IP address has either too few or too many octets. -# -f_validate_ipaddr() -{ - local ip="$1" - - ( # Operate within a sub-shell to protect the parent environment - - # Track number of octets for error checking - noctets=0 - - IFS="." # Split on `dot' - for octet in $ip; do - - # Return error if the octet is null - [ "$octet" ] || exit 2 - - # Return error if not a whole integer - f_isinteger "$octet" || exit 1 - - # Return error if not a positive integer - [ $octet -ge 0 ] || exit 1 - - # Return error if the octet exceeds 255 - [ $octet -gt 255 ] && exit 3 - - noctets=$(( $noctets + 1 )) - - done - - [ $noctets -eq 4 ] || exit 4 - ) -} - # f_dialog_iperror $error $ipaddr # # Display a msgbox with the appropriate error message for an error returned by -# the f_validate_ipaddr function above. +# the f_validate_ipaddr function. # f_dialog_iperror() { @@ -144,141 +79,6 @@ f_dialog_validate_ipaddr() return $retval } -# f_validate_ipaddr6 $ipv6_addr -# -# Returns zero if the given argument (an IPv6 address) is of the proper format. -# -# The return status for invalid IP address is one of: -# 1 One or more individual segments within the IP address -# (separated by colons) contains one or more invalid characters. -# Segments must contain only combinations of the characters 0-9, -# A-F, or a-f. -# 2 Too many/incorrect null segments. A single null segment is -# allowed within the IP address (separated by colons) but not -# allowed at the beginning or end (unless a double-null segment; -# i.e., "::*" or "*::"). -# 3 One or more individual segments within the IP address -# (separated by colons) exceeds the length of 4 hex-digits. -# 4 The IP address entered has either too few (less than 3), too -# many (more than 8), or not enough segments, separated by -# colons. -# 5* The IPv4 address at the end of the IPv6 address is invalid. -# * When there is an error with the dotted-quad IPv4 address at the -# end of the IPv6 address, the return value of 5 is OR'd with a -# bit-shifted (<< 4) return of f_validate_ipaddr. -# -f_validate_ipaddr6() -{ - local ip="$1" - - ( # Operate within a sub-shell to protect the parent environment - - IFS=":" # Split on `colon' - set -- $ip: - - # Return error if too many or too few segments - # Using 9 as max in case of leading or trailing null spanner - [ $# -gt 9 -o $# -lt 3 ] && exit 4 - - h="[0-9A-Fa-f]" - nulls=0 - nsegments=$# - contains_ipv4_segment= - - while [ $# -gt 0 ]; do - - segment="${1%:}" - shift - - # - # Return error if this segment makes one null too-many. - # A single null segment is allowed anywhere in the - # middle as well as double null segments are allowed at - # the beginning or end (but not both). - # - if [ ! "$segment" ]; then - nulls=$(( $nulls + 1 )) - if [ $nulls -eq 3 ]; then - # Only valid syntax for 3 nulls is `::' - [ "$ip" = "::" ] || exit 2 - elif [ $nulls -eq 2 ]; then - # Only valid if begins/ends with `::' - case "$ip" in - ::*|*::) : fall thru ;; - *) exit 2 - esac - fi - continue - fi - - # - # Return error if not a valid hexadecimal short - # - case "$segment" in - $h|$h$h|$h$h$h|$h$h$h$h) - : valid segment of 1-4 hexadecimal digits - ;; - *[!0-9A-Fa-f]*) - # Segment contains at least one invalid char - - # Return error immediately if not last segment - [ $# -eq 0 ] || exit 1 - - # Otherwise, check for legacy IPv4 notation - case "$segment" in - *[!0-9.]*) - # Segment contains at least one invalid - # character even for an IPv4 address - exit 1 - esac - - # Return error if not enough segments - if [ $nulls -eq 0 ]; then - [ $nsegments -eq 7 ] || exit 4 - fi - - contains_ipv4_segment=1 - - # Validate the IPv4 address - f_validate_ipaddr "$segment" || - exit $(( 5 | $? << 4 )) - ;; - *) - # Segment characters are all valid but too many - exit 3 - esac - - done - - if [ $nulls -eq 1 ]; then - # Single null segment cannot be at beginning/end - case "$ip" in - :*|*:) exit 2 - esac - fi - - # - # A legacy IPv4 address can span the last two 16-bit segments, - # reducing the amount of maximum allowable segments by-one. - # - maxsegments=8 - if [ "$contains_ipv4_segment" ]; then - maxsegments=7 - fi - - case $nulls in - # Return error if missing segments with no null spanner - 0) [ $nsegments -eq $maxsegments ] || exit 4 ;; - # Return error if null spanner with too many segments - 1) [ $nsegments -le $maxsegments ] || exit 4 ;; - # Return error if leading/trailing `::' with too many segments - 2) [ $nsegments -le $(( $maxsegments + 1 )) ] || exit 4 ;; - esac - - exit $SUCCESS - ) -} - # f_dialog_ip6error $error $ipv6_addr # # Display a msgbox with the appropriate error message for an error returned by |
