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net/dns: require space after nameserver/search parsing resolv.conf

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Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2021-11-23 15:02:20 -08:00
committed by Josh Bleecher Snyder
parent 9f00510833
commit d10cefdb9b
2 changed files with 26 additions and 4 deletions
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15
net/dns/direct_test.go
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@@ -169,7 +169,22 @@ func TestReadResolve(t *testing.T) {
},
},
{in: `nameserver #192.168.0.100`, wantErr: true},
{in: `nameserver`, wantErr: true},
{in: `# nameserver 192.168.0.100`, want: OSConfig{}},
{in: `nameserver192.168.0.100`, wantErr: true},
{in: `search tailsacle.com`,
want: OSConfig{
SearchDomains: []dnsname.FQDN{"tailsacle.com."},
},
},
{in: `search tailsacle.com # typo`,
want: OSConfig{
SearchDomains: []dnsname.FQDN{"tailsacle.com."},
},
},
{in: `searchtailsacle.com`, wantErr: true},
{in: `search`, wantErr: true},
}
for _, test := range tests {