169 lines
3.3 KiB
Go
169 lines
3.3 KiB
Go
package fusefrontend
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import (
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"strings"
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"syscall"
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"testing"
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"golang.org/x/sys/unix"
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"github.com/hanwen/go-fuse/v2/fuse"
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"github.com/rfjakob/gocryptfs/internal/syscallcompat"
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"github.com/rfjakob/gocryptfs/tests/test_helpers"
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)
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func TestOpenBackingDir(t *testing.T) {
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cipherdir := test_helpers.InitFS(t)
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args := Args{
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Cipherdir: cipherdir,
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}
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fs := newTestFS(args)
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out := &fuse.EntryOut{}
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_, errno := fs.Mkdir(nil, "dir1", 0700, out)
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if errno != 0 {
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t.Fatal(errno)
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}
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_, errno = fs.Mkdir(nil, "dir1/dir2", 0700, out)
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if errno != 0 {
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t.Fatal(errno)
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}
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dirfd, cName, err := fs.openBackingDir("")
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if err != nil {
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t.Fatal(err)
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}
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if cName != "." {
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t.Fatal("cName should be .")
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}
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syscall.Close(dirfd)
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// Again, but populate the cache for "" by looking up a non-existing file
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fs.Getattr(nil, "xyz1234", &fuse.AttrOut{})
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dirfd, cName, err = fs.openBackingDir("")
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if err != nil {
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t.Fatal(err)
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}
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if cName != "." {
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t.Fatal("cName should be .")
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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err = syscallcompat.Faccessat(dirfd, ".", unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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dirfd, cName, err = fs.openBackingDir("dir1")
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if err != nil {
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t.Fatal(err)
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}
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if cName == "" {
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t.Fatal("cName should not be empty")
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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dirfd, cName, err = fs.openBackingDir("dir1/dir2")
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if err != nil {
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t.Fatal(err)
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}
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if cName == "" {
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t.Fatal("cName should not be empty")
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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n255 := strings.Repeat("n", 255)
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path := "dir1/" + n255
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fs.Mkdir(nil, path, 0700, out)
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dirfd, cName, err = fs.openBackingDir(path)
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if err != nil {
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t.Fatal(err)
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}
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if cName == "" {
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t.Fatal("cName should not be empty")
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}
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if len(cName) >= 255 {
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t.Fatalf("cName is too long: %q", cName)
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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}
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func TestOpenBackingDirPlaintextNames(t *testing.T) {
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cipherdir := test_helpers.InitFS(t, "-plaintextnames")
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args := Args{
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Cipherdir: cipherdir,
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PlaintextNames: true,
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}
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fs := newTestFS(args)
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out := &fuse.EntryOut{}
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_, errno := fs.Mkdir(nil, "dir1", 0700, out)
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if errno != 0 {
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t.Fatal(errno)
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}
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_, errno = fs.Mkdir(nil, "dir1/dir2", 0700, out)
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if errno != 0 {
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t.Fatal(errno)
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}
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dirfd, cName, err := fs.openBackingDir("")
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if err != nil {
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t.Fatal(err)
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}
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if cName != "." {
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t.Fatal("cName should be .")
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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err = syscallcompat.Faccessat(dirfd, ".", unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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dirfd, cName, err = fs.openBackingDir("dir1")
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if err != nil {
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t.Fatal(err)
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}
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if cName != "dir1" {
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t.Fatalf("wrong cName: %q", cName)
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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dirfd, cName, err = fs.openBackingDir("dir1/dir2")
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if err != nil {
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t.Fatal(err)
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}
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if cName != "dir2" {
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t.Fatalf("wrong cName: %q", cName)
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}
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err = syscallcompat.Faccessat(dirfd, cName, unix.R_OK)
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if err != nil {
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t.Error(err)
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}
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syscall.Close(dirfd)
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}
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