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chore: allow disabled system hosts by environment variable DISABLE_SYSTEM_HOSTS

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This commit is contained in:
wwqgtxx 2024-03-13 15:32:26 +08:00
parent dceb8ee535
commit b3db113b1b
1 changed files with 5 additions and 1 deletions
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6
component/resolver/host.go
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@ -3,6 +3,8 @@ package resolver
import ( import (
"errors" "errors"
"net/netip" "net/netip"
"os"
"strconv"
"strings" "strings"
_ "unsafe" _ "unsafe"
@ -11,6 +13,8 @@ import (
"github.com/zhangyunhao116/fastrand" "github.com/zhangyunhao116/fastrand"
) )
var DisableSystemHosts, _ = strconv.ParseBool(os.Getenv("DISABLE_SYSTEM_HOSTS"))
type Hosts struct { type Hosts struct {
*trie.DomainTrie[HostValue] *trie.DomainTrie[HostValue]
} }
@ -47,7 +51,7 @@ func (h *Hosts) Search(domain string, isDomain bool) (*HostValue, bool) {
return &hostValue, false return &hostValue, false
} }
if !isDomain { if !isDomain && !DisableSystemHosts {
addr, _ := lookupStaticHost(domain) addr, _ := lookupStaticHost(domain)
if hostValue, err := NewHostValue(addr); err == nil { if hostValue, err := NewHostValue(addr); err == nil {
return &hostValue, true return &hostValue, true