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Fix DNS servers with same tag wrongly merged #3005
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Fix DNS servers with same tag wrongly merged #3005
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func mergeSameTag(s []interface{}, path string) ([]interface{}, error) { | ||
// from: [a,"",b,"",a,"",b,""] | ||
// to: [a,"",b,"",merged,"",merged,""] | ||
merged := &struct{}{} | ||
tagKeyOnly := false | ||
// See https://github.com/v2fly/v2ray-core/issues/2981 | ||
if strings.HasPrefix(path, ".dns.servers") { | ||
tagKeyOnly = true | ||
} |
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For certain settings (identified by path), do not use "tag"
field to search for tag. "_tag"
is preserved.
// from: [a,"",b,"",a,"",b,""] | ||
// to: [a,"",b,"",merged,"",merged,""] | ||
merged := &struct{}{} | ||
tagKeyOnly := false | ||
// See https://github.com/v2fly/v2ray-core/issues/2981 | ||
if strings.HasPrefix(path, ".dns.servers") { |
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According to documentation, mergeSameTag
should only be applied on inbounds
and outbounds
.
This looks like a "workaround" instead of a real fix for that.
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I've tried to apply it to only inbounds
and outbounds
, but it will actually break this test that also applies to routing config:
v2ray-core/infra/conf/merge/merge_test.go
Lines 60 to 99 in 26ea22a
func TestMergeTag(t *testing.T) { | |
json1 := ` | |
{ | |
"routing": { | |
"rules": [{ | |
"tag":"1", | |
"inboundTag": ["in-1"], | |
"outboundTag": "out-1" | |
}] | |
} | |
} | |
` | |
json2 := ` | |
{ | |
"routing": { | |
"rules": [{ | |
"_tag":"1", | |
"inboundTag": ["in-2"], | |
"outboundTag": "out-2" | |
}] | |
} | |
} | |
` | |
expected := ` | |
{ | |
"routing": { | |
"rules": [{ | |
"tag":"1", | |
"inboundTag": ["in-1", "in-2"], | |
"outboundTag": "out-2" | |
}] | |
} | |
} | |
` | |
m, err := merge.JSONs([][]byte{[]byte(json1), []byte(json2)}) | |
if err != nil { | |
t.Error(err) | |
} | |
assertResult(t, m, expected) | |
} |
Fixes #2981