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The home page gets cards for the newest and oldest kept route, the newest and oldest updated AS, the AS with the most prefixes, the ASes with a single prefix and fifteen well-known networks. Two more cards count the bogon announcements and the prefixes with several origin ASes. They link to the new pages /bogons and /multiple-origins, which list up to 1,000 entries each. The new package internal/bogon tells reserved prefixes and AS numbers, from the IANA special-purpose and address space registries. Table.Overview walks the table and lets the read lock go every 10,000 prefixes. The server works the cards out once a minute and serves that copy. A new index on asns(last_seen) finds the newest and oldest updated AS. Model: opus-5-5
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
package bogon_test
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import (
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"net/netip"
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"strconv"
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"testing"
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"git.eeqj.de/sneak/routewatch/internal/bogon"
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)
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func TestPrefix(t *testing.T) {
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t.Parallel()
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tests := []struct {
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prefix string
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// want is why the prefix is reserved, or "" when it is not.
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want string
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}{
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{"10.1.2.0/24", "Private-Use (10.0.0.0/8)"},
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{"10.0.0.0/8", "Private-Use (10.0.0.0/8)"},
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{"192.0.2.0/24", "Documentation (TEST-NET-1) (192.0.2.0/24)"},
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{"2001:db8:1::/48", "Documentation (2001:db8::/32)"},
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{"fd00::/8", "Unique-Local (fc00::/7)"},
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// Multicast space, from the IANA address space registries.
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{"224.0.0.0/4", "Multicast (224.0.0.0/4)"},
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{"239.255.0.0/16", "Multicast (224.0.0.0/4)"},
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{"ff00::/8", "Multicast (ff00::/8)"},
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{"ff02::/16", "Multicast (ff00::/8)"},
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// The most specific block names the reason.
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{"0.0.0.0/32", "This host on this network (0.0.0.0/32)"},
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{"2001:2::/48", "Benchmarking (2001:2::/48)"},
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// Blocks that may be announced, inside reserved blocks.
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{"192.0.0.9/32", ""},
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{"2001:4:112::/48", ""},
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// Blocks that may be announced, inside no reserved block.
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{"192.175.48.0/24", ""},
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{"2002::/16", ""},
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// A prefix that holds a reserved block is not inside it.
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{"192.0.0.0/16", ""},
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{"0.0.0.0/0", ""},
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// Prefixes anyone may announce.
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{"8.8.8.0/24", ""},
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{"2001:4860::/32", ""},
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}
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for _, tc := range tests {
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t.Run(tc.prefix, func(t *testing.T) {
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t.Parallel()
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reason, reserved := bogon.Prefix(netip.MustParsePrefix(tc.prefix))
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if reason != tc.want || reserved != (tc.want != "") {
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t.Errorf("Prefix(%s) = %q, %v; want %q", tc.prefix, reason,
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reserved, tc.want)
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}
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})
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}
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}
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func TestASN(t *testing.T) {
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t.Parallel()
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tests := []struct {
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asn int
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// want is why the AS number is reserved, or "" when it is not.
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want string
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}{
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{23456, "AS_TRANS (AS23456)"},
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{64496, "Documentation (AS64496-AS64511)"},
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{64512, "Private-Use (AS64512-AS65534)"},
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{65534, "Private-Use (AS64512-AS65534)"},
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{65535, "Last 16-bit AS number (AS65535)"},
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{65551, "Documentation (AS65536-AS65551)"},
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{4200000000, "Private-Use (AS4200000000-AS4294967294)"},
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{4294967295, "Last 32-bit AS number (AS4294967295)"},
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// AS 0 means no known origin, and the AS112 project uses AS 112.
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{0, ""},
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{112, ""},
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// Not handed out yet, which is not counted.
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{65552, ""},
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{15169, ""},
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{64495, ""},
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}
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for _, tc := range tests {
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t.Run(strconv.Itoa(tc.asn), func(t *testing.T) {
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t.Parallel()
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reason, reserved := bogon.ASN(tc.asn)
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if reason != tc.want || reserved != (tc.want != "") {
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t.Errorf("ASN(%d) = %q, %v; want %q", tc.asn, reason, reserved,
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tc.want)
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}
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})
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}
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}
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