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Pull request: all: mv some utilities to netutil

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Merge in DNS/adguard-home from mv-netutil to master

Squashed commit of the following:

commit 5698fceed656dca7f8644e7dbd7e1a7fc57a68ce
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Aug 9 15:44:17 2021 +0300

    dnsforward: add todos

commit 122fb6e3de658b296931e0f608cf24ef85547666
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Aug 9 14:27:46 2021 +0300

    all: mv some utilities to netutil
This commit is contained in:
Ainar Garipov
2021-08-09 16:03:37 +03:00
parent 133a1c57b1
commit 9bd7294fad
37 changed files with 242 additions and 1033 deletions
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91
internal/aghnet/net_test.go
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@@ -1,10 +1,8 @@
package aghnet
import (
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
@@ -16,92 +14,3 @@ func TestGetValidNetInterfacesForWeb(t *testing.T) {
require.NotEmptyf(t, iface.Addresses, "no addresses found for %s", iface.Name)
}
}
func TestUnreverseAddr(t *testing.T) {
testCases := []struct {
name string
have string
want net.IP
}{{
name: "good_ipv4",
have: "1.0.0.127.in-addr.arpa",
want: net.IP{127, 0, 0, 1},
}, {
name: "good_ipv6",
have: "4.3.2.1.d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa",
want: net.ParseIP("::abcd:1234"),
}, {
name: "good_ipv6_case",
have: "4.3.2.1.d.c.B.A.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.iP6.ArPa",
want: net.ParseIP("::abcd:1234"),
}, {
name: "good_ipv4_dot",
have: "1.0.0.127.in-addr.arpa.",
want: net.IP{127, 0, 0, 1},
}, {
name: "good_ipv4_case",
have: "1.0.0.127.In-Addr.Arpa",
want: net.IP{127, 0, 0, 1},
}, {
name: "wrong_ipv4",
have: ".0.0.127.in-addr.arpa",
want: nil,
}, {
name: "wrong_ipv6",
have: ".3.2.1.d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa",
want: nil,
}, {
name: "bad_ipv6_dot",
have: "4.3.2.1.d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0..ip6.arpa",
want: nil,
}, {
name: "bad_ipv6_space",
have: "4.3.2.1.d.c.b. .0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa",
want: nil,
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
ip := UnreverseAddr(tc.have)
assert.True(t, tc.want.Equal(ip))
})
}
}
func TestReverseAddr(t *testing.T) {
testCases := []struct {
name string
want string
ip net.IP
}{{
name: "valid_ipv4",
want: "4.3.2.1.in-addr.arpa",
ip: net.IP{1, 2, 3, 4},
}, {
name: "valid_ipv6",
want: "1.3.b.5.4.1.8.6.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.0.7.4.6.0.6.2.ip6.arpa",
ip: net.ParseIP("2606:4700:10::6814:5b31"),
}, {
name: "nil_ip",
want: "",
ip: nil,
}, {
name: "unspecified_ipv6",
want: "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa",
ip: net.IPv6unspecified,
}, {
name: "unspecified_ipv4",
want: "0.0.0.0.in-addr.arpa",
ip: net.IPv4zero,
}, {
name: "wrong_length_ip",
want: "",
ip: net.IP{1, 2, 3, 4, 5},
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
assert.Equal(t, tc.want, ReverseAddr(tc.ip))
})
}
}