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https://github.com/AdguardTeam/AdGuardHome.git
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3a67cc2c45
Merge in DNS/adguard-home from mk-aghnet to master
Updates #2829.
Squashed commit of the following:
commit 519806c04b8d0517aacce9c31f2d06ab56631937
Merge: 92376c86 97361234
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Tue Mar 16 19:13:56 2021 +0300
Merge branch 'master' into mk-aghnet
commit 92376c8665e529191aa482432f9d5e3e2e3afdc8
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Tue Mar 16 18:37:22 2021 +0300
aghnet: fix linux
commit 7f36d19b0e650d4e4fc5cf9ea4b501a7f636abeb
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Tue Mar 16 18:08:30 2021 +0300
aghnet: mv network utils from util
commit aa68c70c1146b8c32303c6e037953a41aa7d72f9
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Tue Mar 16 17:30:06 2021 +0300
aghnet: mv ipDetector here
commit b033657f5c5ee91f869c36508a5eb15976a174a0
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Tue Mar 16 17:24:07 2021 +0300
all: mk aghnet package, rename sysutil package
39 lines
907 B
Go
39 lines
907 B
Go
// +build linux
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package aghos
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import (
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"os"
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"syscall"
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"github.com/AdguardTeam/golibs/log"
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"golang.org/x/sys/unix"
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)
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func canBindPrivilegedPorts() (can bool, err error) {
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cnbs, err := unix.PrctlRetInt(unix.PR_CAP_AMBIENT, unix.PR_CAP_AMBIENT_IS_SET, unix.CAP_NET_BIND_SERVICE, 0, 0)
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// Don't check the error because it's always nil on Linux.
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adm, _ := haveAdminRights()
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return cnbs == 1 || adm, err
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}
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func setRlimit(val uint) {
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var rlim syscall.Rlimit
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rlim.Max = uint64(val)
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rlim.Cur = uint64(val)
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err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rlim)
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if err != nil {
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log.Error("Setrlimit() failed: %v", err)
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}
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}
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func haveAdminRights() (bool, error) {
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// The error is nil because the platform-independent function signature
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// requires returning an error.
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return os.Getuid() == 0, nil
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}
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func sendProcessSignal(pid int, sig syscall.Signal) error {
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return syscall.Kill(pid, sig)
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}
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