AdGuardHome/internal/permcheck/migrate_unix.go

67 lines
1.7 KiB
Go

//go:build unix
package permcheck
import (
"context"
"log/slog"
"os"
"github.com/AdguardTeam/AdGuardHome/internal/aghos"
"github.com/AdguardTeam/golibs/errors"
"github.com/AdguardTeam/golibs/logutil/slogutil"
)
// needsMigration is a Unix-specific implementation of [NeedsMigration].
//
// TODO(a.garipov): Consider ways to detect this better.
func needsMigration(ctx context.Context, l *slog.Logger, _, confFilePath string) (ok bool) {
s, err := os.Stat(confFilePath)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
// Likely a first run. Don't check.
return false
}
l.ErrorContext(ctx, "checking a need for permission migration", slogutil.KeyError, err)
// Unexpected error. Try to migrate just in case.
return true
}
return s.Mode().Perm() != aghos.DefaultPermFile
}
// migrate is a Unix-specific implementation of [Migrate].
func migrate(
ctx context.Context,
l *slog.Logger,
workDir string,
dataDir string,
statsDir string,
querylogDir string,
confFilePath string,
) {
dirLoggger, fileLogger := l.With("type", typeDir), l.With("type", typeFile)
for _, ent := range entities(workDir, dataDir, statsDir, querylogDir, confFilePath) {
if ent.Value {
chmodDir(ctx, dirLoggger, ent.Key)
} else {
chmodFile(ctx, fileLogger, ent.Key)
}
}
}
// chmodDir changes the permissions of a single directory. The results are
// logged at the appropriate level.
func chmodDir(ctx context.Context, l *slog.Logger, dirPath string) {
chmodPath(ctx, l, dirPath, aghos.DefaultPermDir)
}
// chmodFile changes the permissions of a single file. The results are logged
// at the appropriate level.
func chmodFile(ctx context.Context, l *slog.Logger, filePath string) {
chmodPath(ctx, l, filePath, aghos.DefaultPermFile)
}