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| author | Philip Prindeville <philipp@redfish-solutions.com> | 2023-12-10 23:35:57 -0700 |
|---|---|---|
| committer | Philip Prindeville <philipp@redfish-solutions.com> | 2023-12-12 12:30:35 -0700 |
| commit | e906ccfc8c8a75872405efaf1bc2e2b625369c30 (patch) | |
| tree | 85359eabae470a759df5b6f5bd9cce9c3991d14e /package/base-files/files/lib | |
| parent | dd256099c3fbf48e108381dea8588c38e89cf14a (diff) | |
base-files: ipcalc.sh: Add tests for unroutable, etc
See RFC-1918, RFC-3927, and RFC-1122.
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Diffstat (limited to 'package/base-files/files/lib')
| -rw-r--r-- | package/base-files/files/lib/functions/ipv4.sh | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/package/base-files/files/lib/functions/ipv4.sh b/package/base-files/files/lib/functions/ipv4.sh index c6fcd2af2e..d0b93dbcb9 100644 --- a/package/base-files/files/lib/functions/ipv4.sh +++ b/package/base-files/files/lib/functions/ipv4.sh @@ -1,5 +1,23 @@ uint_max=4294967295 +d_10_0_0_0=167772160 +d_10_255_255_255=184549375 + +d_172_16_0_0=2886729728 +d_172_31_255_255=2887778303 + +d_192_168_0_0=3232235520 +d_192_168_255_255=3232301055 + +d_169_254_0_0=2851995648 +d_169_254_255_255=2852061183 + +d_127_0_0_0=2130706432 +d_127_255_255_255=2147483647 + +d_224_0_0_0=3758096384 +d_239_255_255_255=4026531839 + # check that $1 is only base 10 digits, and that it doesn't # exceed 2^32-1 assert_uint32() { @@ -196,3 +214,55 @@ netmask2prefix() { export -- "$__var=$__bits" } +# check the argument as being an rfc-1918 address +is_rfc1918() { + local __var="$1" __x="$2" __val=0 + assert_uint32 "$__x" || return 1 + + if [ $d_10_0_0_0 -le $__x ] && [ $__x -le $d_10_255_255_255 ]; then + __val=1 + elif [ $d_172_16_0_0 -le $__x ] && [ $__x -le $d_172_31_255_255 ]; then + __val=1 + elif [ $d_192_168_0_0 -le $__x ] && [ $__x -le $d_192_168_255_255 ]; then + __val=1 + fi + + export -- "$__var=$__val" +} + +# check the argument as being an rfc-3927 address +is_rfc3927() { + local __var="$1" __x="$2" __val=0 + assert_uint32 "$__x" || return 1 + + if [ $d_169_254_0_0 -le $__x ] && [ $__x -le $d_169_254_255_255 ]; then + __val=1 + fi + + export -- "$__var=$__val" +} + +# check the argument as being an rfc-1122 loopback address +is_loopback() { + local __var="$1" __x="$2" __val=0 + assert_uint32 "$__x" || return 1 + + if [ $d_127_0_0_0 -le $__x ] && [ $__x -le $d_127_255_255_255 ]; then + __val=1 + fi + + export -- "$__var=$__val" +} + +# check the argument as being a multicast address +is_multicast() { + local __var="$1" __x="$2" __val=0 + assert_uint32 "$__x" || return 1 + + if [ $d_224_0_0_0 -le $__x ] && [ $__x -le $d_239_255_255_255 ]; then + __val=1 + fi + + export -- "$__var=$__val" +} + |