Update dependencies

vendor/tailscale.com/hostinfo/hostinfo_linux.go

@@ -0,0 +1,177 @@
+// Copyright (c) Tailscale Inc & AUTHORS
+// SPDX-License-Identifier: BSD-3-Clause
+
+//go:build linux && !android
+
+package hostinfo
+
+import (
+	"bytes"
+	"os"
+	"strings"
+
+	"golang.org/x/sys/unix"
+	"tailscale.com/types/ptr"
+	"tailscale.com/util/lineread"
+	"tailscale.com/version/distro"
+)
+
+func init() {
+	osVersion = lazyOSVersion.Get
+	packageType = packageTypeLinux
+	distroName = distroNameLinux
+	distroVersion = distroVersionLinux
+	distroCodeName = distroCodeNameLinux
+	deviceModel = deviceModelLinux
+}
+
+var (
+	lazyVersionMeta = &lazyAtomicValue[versionMeta]{f: ptr.To(linuxVersionMeta)}
+	lazyOSVersion   = &lazyAtomicValue[string]{f: ptr.To(osVersionLinux)}
+)
+
+type versionMeta struct {
+	DistroName     string
+	DistroVersion  string
+	DistroCodeName string // "jammy", etc (VERSION_CODENAME from /etc/os-release)
+}
+
+func distroNameLinux() string {
+	return lazyVersionMeta.Get().DistroName
+}
+
+func distroVersionLinux() string {
+	return lazyVersionMeta.Get().DistroVersion
+}
+
+func distroCodeNameLinux() string {
+	return lazyVersionMeta.Get().DistroCodeName
+}
+
+func deviceModelLinux() string {
+	for _, path := range []string{
+		// First try the Synology-specific location.
+		// Example: "DS916+-j"
+		"/proc/sys/kernel/syno_hw_version",
+
+		// Otherwise, try the Devicetree model, usually set on
+		// ARM SBCs, etc.
+		// Example: "Raspberry Pi 4 Model B Rev 1.2"
+		// Example: "WD My Cloud Gen2: Marvell Armada 375"
+		"/sys/firmware/devicetree/base/model", // Raspberry Pi 4 Model B Rev 1.2"
+	} {
+		b, _ := os.ReadFile(path)
+		if s := strings.Trim(string(b), "\x00\r\n\t "); s != "" {
+			return s
+		}
+	}
+	return ""
+}
+
+func getQnapQtsVersion(versionInfo string) string {
+	for _, field := range strings.Fields(versionInfo) {
+		if suffix, ok := strings.CutPrefix(field, "QTSFW_"); ok {
+			return suffix
+		}
+	}
+	return ""
+}
+
+func osVersionLinux() string {
+	var un unix.Utsname
+	unix.Uname(&un)
+	return unix.ByteSliceToString(un.Release[:])
+}
+
+func linuxVersionMeta() (meta versionMeta) {
+	dist := distro.Get()
+	meta.DistroName = string(dist)
+
+	propFile := "/etc/os-release"
+	switch dist {
+	case distro.Synology:
+		propFile = "/etc.defaults/VERSION"
+	case distro.OpenWrt:
+		propFile = "/etc/openwrt_release"
+	case distro.Unraid:
+		propFile = "/etc/unraid-version"
+	case distro.WDMyCloud:
+		slurp, _ := os.ReadFile("/etc/version")
+		meta.DistroVersion = string(bytes.TrimSpace(slurp))
+		return
+	case distro.QNAP:
+		slurp, _ := os.ReadFile("/etc/version_info")
+		meta.DistroVersion = getQnapQtsVersion(string(slurp))
+		return
+	}
+
+	m := map[string]string{}
+	lineread.File(propFile, func(line []byte) error {
+		eq := bytes.IndexByte(line, '=')
+		if eq == -1 {
+			return nil
+		}
+		k, v := string(line[:eq]), strings.Trim(string(line[eq+1:]), `"'`)
+		m[k] = v
+		return nil
+	})
+
+	if v := m["VERSION_CODENAME"]; v != "" {
+		meta.DistroCodeName = v
+	}
+	if v := m["VERSION_ID"]; v != "" {
+		meta.DistroVersion = v
+	}
+	id := m["ID"]
+	if id != "" {
+		meta.DistroName = id
+	}
+	switch id {
+	case "debian":
+		// Debian's VERSION_ID is just like "11". But /etc/debian_version has "11.5" normally.
+		// Or "bookworm/sid" on sid/testing.
+		slurp, _ := os.ReadFile("/etc/debian_version")
+		if v := string(bytes.TrimSpace(slurp)); v != "" {
+			if '0' <= v[0] && v[0] <= '9' {
+				meta.DistroVersion = v
+			} else if meta.DistroCodeName == "" {
+				meta.DistroCodeName = v
+			}
+		}
+	case "", "centos": // CentOS 6 has no /etc/os-release, so its id is ""
+		if meta.DistroVersion == "" {
+			if cr, _ := os.ReadFile("/etc/centos-release"); len(cr) > 0 { // "CentOS release 6.10 (Final)
+				meta.DistroVersion = string(bytes.TrimSpace(cr))
+			}
+		}
+	}
+	if v := m["PRETTY_NAME"]; v != "" && meta.DistroVersion == "" && !strings.HasSuffix(v, "/sid") {
+		meta.DistroVersion = v
+	}
+	switch dist {
+	case distro.Synology:
+		meta.DistroVersion = m["productversion"]
+	case distro.OpenWrt:
+		meta.DistroVersion = m["DISTRIB_RELEASE"]
+	case distro.Unraid:
+		meta.DistroVersion = m["version"]
+	}
+	return
+}
+
+// linuxBuildTagPackageType is set by packagetype_*.go
+// build tag guarded files.
+var linuxBuildTagPackageType string
+
+func packageTypeLinux() string {
+	if v := linuxBuildTagPackageType; v != "" {
+		return v
+	}
+	// Report whether this is in a snap.
+	// See https://snapcraft.io/docs/environment-variables
+	// We just look at two somewhat arbitrarily.
+	if os.Getenv("SNAP_NAME") != "" && os.Getenv("SNAP") != "" {
+		return "snap"
+	}
+	return ""
+}