()
| 9 | ) |
| 10 | |
| 11 | func Example_parseIPRange() { |
| 12 | _, allowedv4NetworkA, _ := net.ParseCIDR("192.168.1.0/24") |
| 13 | _, allowedv4NetworkB, _ := net.ParseCIDR("192.168.0.0/16") |
| 14 | _, allowedv6NetworkA, _ := net.ParseCIDR("fd22:c952:653e:3df6::/64") |
| 15 | _, allowedv6NetworkB, _ := net.ParseCIDR("fd22:c952:653e::/48") |
| 16 | |
| 17 | ipRanges := []string{ |
| 18 | // Ranges within allowedv4NetworkA. |
| 19 | "192.168.1.1-192.168.1.255", |
| 20 | "0.0.0.1-192.168.1.255", |
| 21 | "0.0.0.1-0.0.0.255", |
| 22 | // Ranges outsde of allowedv4NetworkA but within allowedv4NetworkB. |
| 23 | "192.168.0.1-192.168.0.255", |
| 24 | "192.168.0.0-192.168.0.0", |
| 25 | "0.0.2.0-0.0.2.255", |
| 26 | // Invalid IP ranges. |
| 27 | "0.0.0.0.1-192.168.1.255", |
| 28 | "192.0.0.1-192.0.0.255", |
| 29 | "0.0.0.1-1.0.0.255", |
| 30 | "0.0.2.1-0.0.0.255", |
| 31 | // Ranges within allowedv6NetworkA. |
| 32 | "fd22:c952:653e:3df6::1-fd22:c952:653e:3df6::FFFF", |
| 33 | "::1-::FFFF", |
| 34 | // Ranges outsde of allowedv6NetworkA but within allowedv6NetworkB. |
| 35 | "fd22:c952:653e:FFFF::1-fd22:c952:653e:FFFF::FFFF", |
| 36 | "::AAAA:FFFF:FFFF:FFFF:1-::AAAA:FFFF:FFFF:FFFF:FFFF", |
| 37 | } |
| 38 | |
| 39 | fmt.Println("With allowed networks") |
| 40 | for _, ipRange := range ipRanges { |
| 41 | parsedRange, err := parseIPRange(ipRange, allowedv4NetworkA, allowedv4NetworkB, allowedv6NetworkA, allowedv6NetworkB) |
| 42 | if err != nil { |
| 43 | fmt.Printf("Err: %v\n", err) |
| 44 | continue |
| 45 | } |
| 46 | |
| 47 | fmt.Printf("Start: %s, End: %s\n", parsedRange.Start.String(), parsedRange.End.String()) |
| 48 | } |
| 49 | |
| 50 | fmt.Println("Without allowed networks") |
| 51 | for _, ipRange := range ipRanges { |
| 52 | parsedRange, err := parseIPRange(ipRange) |
| 53 | if err != nil { |
| 54 | fmt.Printf("Err: %v\n", err) |
| 55 | continue |
| 56 | } |
| 57 | |
| 58 | fmt.Printf("Start: %s, End: %s\n", parsedRange.Start.String(), parsedRange.End.String()) |
| 59 | } |
| 60 | |
| 61 | // Output: With allowed networks |
| 62 | // Start: 192.168.1.1, End: 192.168.1.255 |
| 63 | // Start: 192.168.1.1, End: 192.168.1.255 |
| 64 | // Start: 192.168.1.1, End: 192.168.1.255 |
| 65 | // Start: 192.168.0.1, End: 192.168.0.255 |
| 66 | // Start: 192.168.0.0, End: 192.168.0.0 |
| 67 | // Start: 192.168.2.0, End: 192.168.2.255 |
| 68 | // Err: Start IP "0.0.0.0.1" is invalid |
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