drop old patch series

1 files changed, 0 insertions, 890 deletions

diff --git a/debian/patches/gpg0005-trans-add-transparent-GnuPG-translator.patch b/debian/patches/gpg0005-trans-add-transparent-GnuPG-translator.patch
deleted file mode 100644
index 09b1f317..00000000
--- a/debian/patches/gpg0005-trans-add-transparent-GnuPG-translator.patch
+++ /dev/null
@@ -1,890 +0,0 @@
-From f3dde907bc9bae67710eb47cb9d43748bbee278c Mon Sep 17 00:00:00 2001
-From: Justus Winter <justus@gnupg.org>
-Date: Thu, 24 Mar 2016 22:55:54 +0100
-Subject: [PATCH hurd 5/5] trans: add transparent GnuPG translator
-
-* trans/Makefile: Add new file.
-* trans/gpg.c: New file.
-* utils/Makefile: Add new file.
-* utils/gpg-env.sh: New file.
----
- trans/Makefile   |   9 +-
- trans/gpg.c      | 682 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
- utils/Makefile   |   6 +-
- utils/gpg-env.sh | 122 ++++++++++
- 4 files changed, 812 insertions(+), 7 deletions(-)
- create mode 100644 trans/gpg.c
- create mode 100644 utils/gpg-env.sh
-
-diff --git a/trans/Makefile b/trans/Makefile
-index e4eba0a..422d499 100644
---- a/trans/Makefile
-+++ b/trans/Makefile
-@@ -21,10 +21,11 @@ makemode := servers
- 
- targets = symlink firmlink ifsock magic null fifo new-fifo fwd crash \
- 	  password hello hello-mt streamio fakeroot proxy-defpager remap \
--	  mtab identity
-+	  mtab identity gpg
- SRCS = ifsock.c symlink.c magic.c null.c fifo.c new-fifo.c fwd.c \
- 	crash.c firmlink.c password.c hello.c hello-mt.c streamio.c \
--	fakeroot.c proxy-defpager.c remap.c mtab.c chroot.c identity.c
-+	fakeroot.c proxy-defpager.c remap.c mtab.c chroot.c identity.c \
-+	gpg.c
- OBJS = $(SRCS:.c=.o) fsysServer.o ifsockServer.o passwordServer.o \
- 	crashServer.o crash_replyUser.o msgServer.o \
- 	default_pagerServer.o default_pagerUser.o \
-@@ -65,8 +66,8 @@ proxy-defpager: default_pagerServer.o default_pagerUser.o
- streamio: device_replyServer.o
- symlink: fsysServer.o
- 
--identity: chroot.o
--fakeroot identity: ../libnetfs/libnetfs.a
-+identity gpg: chroot.o
-+fakeroot identity gpg: ../libnetfs/libnetfs.a
- fifo new-fifo: ../libpipe/libpipe.a
- crash fifo firmlink hello hello-mt ifsock magic mtab new-fifo null password proxy-defpager remap streamio: ../libtrivfs/libtrivfs.a
- $(targets): ../libfshelp/libfshelp.a \
-diff --git a/trans/gpg.c b/trans/gpg.c
-new file mode 100644
-index 0000000..abdea7c
---- /dev/null
-+++ b/trans/gpg.c
-@@ -0,0 +1,682 @@
-+/* gpg -- a translator for encrypting, decrypting, and verifying files
-+   Copyright (C) 2016 Free Software Foundation, Inc.
-+
-+   This program is free software; you can redistribute it and/or
-+   modify it under the terms of the GNU General Public License as
-+   published by the Free Software Foundation; either version 2, or (at
-+   your option) any later version.
-+
-+   This program is distributed in the hope that it will be useful, but
-+   WITHOUT ANY WARRANTY; without even the implied warranty of
-+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-+   General Public License for more details.
-+
-+   You should have received a copy of the GNU General Public License
-+   along with this program; if not, write to the Free Software
-+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
-+
-+#include <argz.h>
-+#include <argp.h>
-+#include <dirent.h>
-+#include <error.h>
-+#include <hurd/netfs.h>
-+#include <stddef.h>
-+#include <stdio.h>
-+#include <stdlib.h>
-+#include <string.h>
-+#include <fcntl.h>
-+#include <sys/mman.h>
-+#include <sys/stat.h>
-+#include <pthread.h>
-+#include <hurd/ihash.h>
-+#include <hurd/paths.h>
-+#include <sys/types.h>
-+#include <sys/wait.h>
-+#include <unistd.h>
-+
-+#include <version.h>
-+
-+#include "chroot.h"
-+
-+#include "libnetfs/fs_S.h"
-+#include "libnetfs/io_S.h"
-+#include "libnetfs/fsys_S.h"
-+#include "libports/notify_S.h"
-+#include "libports/interrupt_S.h"
-+
-+const char *argp_program_version = STANDARD_HURD_VERSION (gpg);
-+
-+char *netfs_server_name = "gpg";
-+char *netfs_server_version = HURD_VERSION;
-+int netfs_maxsymlinks = 16;	/* arbitrary */
-+
-+struct chroot_node
-+{
-+  unsigned int encrypt:1;
-+  file_t shadow_file;
-+};
-+
-+#define GPG_DEFAULT_FILENAME	"/usr/bin/gpg2"
-+static char* gpg_filename = GPG_DEFAULT_FILENAME;
-+static file_t gpg_file;
-+
-+int symmetric;
-+char *recipients;
-+size_t recipients_len;
-+
-+static error_t
-+execute_gpg (mach_port_t in, mach_port_t out, mach_port_t extra,
-+             char *argz, size_t argz_len, pid_t *pid)
-+{
-+  error_t err;
-+  task_t task;
-+  process_t proc;
-+  mach_port_t ports[INIT_PORT_MAX];
-+  mach_port_t fds[STDERR_FILENO + 2];
-+  int ints[INIT_INT_MAX];
-+  int i;
-+
-+  for (i = 0; i < INIT_PORT_MAX; i++)
-+    ports[i] = MACH_PORT_NULL;
-+  for (i = 0; i < STDERR_FILENO + 2; i++)
-+    fds[i] = MACH_PORT_NULL;
-+  memset (ints, 0, INIT_INT_MAX * sizeof(int));
-+
-+  ports[INIT_PORT_CWDIR] = getcwdir ();
-+  ports[INIT_PORT_CRDIR] = getcrdir ();
-+  ports[INIT_PORT_AUTH] = getauth ();
-+  fds[STDIN_FILENO] = in;
-+  fds[STDOUT_FILENO] = out;
-+  fds[STDERR_FILENO] = getdport (STDERR_FILENO);
-+  fds[STDERR_FILENO+1] = extra;
-+
-+  err = task_create (mach_task_self (), 0, &task);
-+  if (err)
-+    goto lose;
-+
-+  proc = getproc ();
-+  proc_child (proc, task);
-+
-+  /* Try and exec GnuPG in TASK...  */
-+  err = file_exec (gpg_file, task, EXEC_DEFAULTS,
-+		   argz, argz_len, 0, 0,
-+		   fds, MACH_MSG_TYPE_COPY_SEND, STDERR_FILENO + 2,
-+		   ports, MACH_MSG_TYPE_COPY_SEND, INIT_PORT_MAX,
-+		   ints, INIT_INT_MAX, 0, 0, 0, 0);
-+ if (err)
-+    goto lose;
-+
-+ err = proc_task2pid (proc, task, pid);
-+
-+ lose:
-+  for (i = 0; i < INIT_PORT_MAX; i++)
-+    mach_port_deallocate (mach_task_self (), ports[i]);
-+  mach_port_deallocate (mach_task_self (), fds[STDERR_FILENO]);
-+  return err;
-+}
-+
-+error_t
-+clone_file (file_t file, file_t *new_file)
-+{
-+  error_t err;
-+  off_t newp;
-+  retry_type do_retry;
-+  string_t retry_name;
-+  err = dir_lookup (file, "", O_RDONLY, 0, &do_retry, retry_name, new_file);
-+  if (err)
-+    return err;
-+  return io_seek (*new_file, 0, SEEK_SET, &newp);
-+}
-+
-+static int
-+gpg_verify (file_t sigfile, file_t orig_file)
-+{
-+  error_t err;
-+  file_t file;
-+  pid_t pid;
-+  char *argz = NULL;
-+  size_t argz_len = 0;
-+  err = clone_file (orig_file, &file);
-+  if (err)
-+    return 0;
-+
-+  argz_add (&argz, &argz_len, "gpg2");
-+  argz_add (&argz, &argz_len, "--verify");
-+  argz_add (&argz, &argz_len, "/dev/fd/3");
-+  argz_add (&argz, &argz_len, "-");
-+  err = execute_gpg (file, getdport (STDERR_FILENO), sigfile, argz, argz_len, &pid);
-+  mach_port_deallocate (mach_task_self (), file);
-+  if (err)
-+    {
-+      error (0, err, "execute_gpg");
-+      return 0;
-+    }
-+
-+  int status;
-+  while (waitpid (pid, &status, 0) == (pid_t)-1 && errno == EINTR)
-+    { }
-+
-+  return WIFEXITED (status) && WEXITSTATUS (status) == 0;
-+}
-+
-+static int
-+gpg_decrypt (file_t cipherfile, file_t plainfile)
-+{
-+  error_t err;
-+  pid_t pid;
-+  char *argz = NULL;
-+  size_t argz_len = 0;
-+
-+  argz_add (&argz, &argz_len, "gpg2");
-+  argz_add (&argz, &argz_len, "--output");
-+  argz_add (&argz, &argz_len, "-");
-+  err = execute_gpg (cipherfile, plainfile, MACH_PORT_NULL,
-+                     argz, argz_len, &pid);
-+  if (err)
-+    {
-+      error (0, err, "execute_gpg");
-+      return 0;
-+    }
-+
-+  int status;
-+  while (waitpid (pid, &status, 0) == (pid_t)-1 && errno == EINTR)
-+    { }
-+
-+  return WIFEXITED (status) && WEXITSTATUS (status) == 0;
-+}
-+
-+static int
-+gpg_encrypt (file_t plainfile, file_t cipherfile)
-+{
-+  error_t err;
-+  pid_t pid;
-+  char *argz = NULL;
-+  size_t argz_len = 0;
-+
-+  argz_add (&argz, &argz_len, "gpg2");
-+  argz_add (&argz, &argz_len, "--output");
-+  argz_add (&argz, &argz_len, "-");
-+  if (recipients)
-+    {
-+      char *recipient;
-+      argz_add (&argz, &argz_len, "--encrypt");
-+      for (recipient = recipients;
-+           recipient;
-+           recipient = argz_next (recipients, recipients_len, recipient))
-+        {
-+          argz_add (&argz, &argz_len, "--recipient");
-+          argz_add (&argz, &argz_len, recipient);
-+        }
-+    }
-+  if (symmetric)
-+    argz_add (&argz, &argz_len, "--symmetric");
-+
-+  err = execute_gpg (plainfile, cipherfile, MACH_PORT_NULL,
-+                     argz, argz_len, &pid);
-+  if (err)
-+    {
-+      error (0, err, "execute_gpg");
-+      return 0;
-+    }
-+
-+  int status;
-+  while (waitpid (pid, &status, 0) == (pid_t)-1 && errno == EINTR)
-+    { }
-+
-+  return WIFEXITED (status) && WEXITSTATUS (status) == 0;
-+}
-+
-+static error_t
-+make_tmp_file (file_t *file)
-+{
-+  char name[] = "/tmp/gpgtmp-XXXXXX";
-+  int fd;
-+
-+  fd = mkstemp (name);
-+  if (fd == -1)
-+    return errno;
-+  if (unlink (name) == -1)
-+    return errno;
-+  *file = getdport (fd);
-+  close (fd);
-+  return 0;
-+}
-+
-+error_t
-+netfs_S_dir_lookup (struct protid *diruser,
-+		    char *filename,
-+		    int flags,
-+		    mode_t mode,
-+		    retry_type *do_retry,
-+		    char *retry_name,
-+		    mach_port_t *retry_port,
-+		    mach_msg_type_name_t *retry_port_type)
-+{
-+  struct node *dnp, *np;
-+  error_t err;
-+  struct protid *newpi;
-+  struct iouser *user;
-+  file_t file;
-+  file_t dir;
-+
-+  if (! diruser)
-+    return EOPNOTSUPP;
-+
-+  dnp = diruser->po->np;
-+
-+  dir = netfs_node_netnode (dnp)->file;
-+  err = dir_lookup (dir, filename,
-+		    flags & (O_NOLINK|O_RDWR|O_EXEC|O_CREAT|O_EXCL|O_NONBLOCK),
-+		    mode, do_retry, retry_name, &file);
-+  if (err == ENOENT)
-+    {
-+      file_t gpgfile;
-+      char *gpgname;
-+      asprintf (&gpgname, "%s.gpg", filename);
-+      gpgfile = file_name_lookup_under (dir, gpgname, O_RDONLY, 0);
-+      if (MACH_PORT_VALID (gpgfile))
-+	{
-+          file_t tmpfile;
-+          int ok;
-+          off_t newp;
-+
-+          err = make_tmp_file (&tmpfile);
-+          if (err)
-+            return err;
-+
-+          ok = gpg_decrypt (gpgfile, tmpfile);
-+          mach_port_deallocate (mach_task_self (), gpgfile);
-+	  if (! ok)
-+            {
-+              mach_port_deallocate (mach_task_self (), tmpfile);
-+              return EIO;
-+            }
-+
-+          err = io_seek (tmpfile, 0, SEEK_SET, &newp);
-+          if (err)
-+            {
-+              mach_port_deallocate (mach_task_self (), tmpfile);
-+              return err;
-+            }
-+
-+          *do_retry = FS_RETRY_NORMAL;
-+          retry_name[0] = 0;
-+          *retry_port = tmpfile;
-+          *retry_port_type = MACH_MSG_TYPE_MOVE_SEND;
-+          return 0;
-+	}
-+      free (gpgname);
-+    }
-+
-+  if (err)
-+    return err;
-+
-+  switch (*do_retry)
-+    {
-+    case FS_RETRY_NORMAL:
-+      break;
-+
-+    case FS_RETRY_REAUTH:
-+      error (0, 0, "FS_RETRY_REAUTH");
-+      /* Fallthrough.  */
-+
-+    case FS_RETRY_MAGICAL:
-+      *retry_port = file;
-+      *retry_port_type = MACH_MSG_TYPE_MOVE_SEND;
-+      return 0;
-+
-+    default:
-+      /* Invalid response to our dir_lookup request.  */
-+      if (MACH_PORT_VALID (file))
-+	mach_port_deallocate (mach_task_self (), file);
-+      *retry_port = MACH_PORT_NULL;
-+      *retry_port_type = MACH_MSG_TYPE_COPY_SEND;
-+      return EOPNOTSUPP;
-+    }
-+
-+  /* We have a new port to an underlying node.
-+     Find or make our corresponding virtual node.  */
-+
-+  np = 0;
-+
-+  pthread_mutex_lock (&dnp->lock);
-+  err = chroot_new_node (file, sizeof (struct chroot_node), &np);
-+  pthread_mutex_unlock (&dnp->lock);
-+  if (!err)
-+    {
-+      chroot_node (np)->encrypt = chroot_node (dnp)->encrypt;
-+      chroot_node (np)->shadow_file = MACH_PORT_NULL;
-+      err = netfs_validate_stat (np, diruser->user);
-+    }
-+  if (err)
-+    goto lose;
-+
-+  if (chroot_node (np)->encrypt && flags & O_WRITE
-+      && strncmp (filename, "dev/", 4) != 0)
-+    {
-+      char *ciphname;
-+      asprintf (&ciphname, "%s.gpg", filename);
-+      if (ciphname == NULL)
-+        {
-+          err = errno;
-+          goto lose;
-+        }
-+
-+      /* Fixup name.  */
-+      err = dir_link (dir, file, ciphname, 0);
-+      free (ciphname);
-+      if (err)
-+        return err;
-+
-+      err = dir_unlink (dir, filename);
-+      if (err)
-+        return err;
-+
-+      err = make_tmp_file (&chroot_node (np)->shadow_file);
-+      if (err)
-+        return err;
-+    }
-+
-+  if (retry_name[0] == 0)
-+    {
-+      file_t sig;
-+      char *signame;
-+
-+      asprintf (&signame, "%s.sig", filename);
-+      if (signame == NULL)
-+        {
-+          err = errno;
-+          goto lose;
-+        }
-+
-+      sig = file_name_lookup_under (dir, signame, O_RDONLY, 0);
-+      if (MACH_PORT_VALID (sig))
-+        {
-+          if (! gpg_verify (sig, file))
-+            err = EIO;
-+          free (signame);
-+          signame = NULL;
-+          mach_port_deallocate (mach_task_self (), sig);
-+          if (err)
-+            goto lose;
-+        }
-+      free (signame);
-+    }
-+
-+  assert (*do_retry == FS_RETRY_NORMAL);
-+  flags &= ~(O_CREAT|O_EXCL|O_NOLINK|O_NOTRANS|O_NONBLOCK);
-+
-+  err = iohelp_dup_iouser (&user, diruser->user);
-+  if (!err)
-+    {
-+      newpi = netfs_make_protid (netfs_make_peropen (np, flags, diruser->po),
-+				 user);
-+      if (! newpi)
-+	{
-+	  iohelp_free_iouser (user);
-+	  err = errno;
-+	}
-+      else
-+	{
-+	  *retry_port = ports_get_right (newpi);
-+	  *retry_port_type = MACH_MSG_TYPE_MAKE_SEND;
-+	  ports_port_deref (newpi);
-+	}
-+    }
-+
-+ lose:
-+  if (dir != netfs_node_netnode (dnp)->file)
-+    mach_port_deallocate (mach_task_self (), dir);
-+  if (np != NULL)
-+    netfs_nput (np);
-+  return err;
-+}
-+
-+error_t
-+netfs_attempt_mkfile (struct iouser *user, struct node *dir,
-+		      mode_t mode, struct node **np)
-+{
-+  file_t newfile;
-+  error_t err = dir_mkfile (netfs_node_netnode (dir)->file, O_RDWR|O_EXEC,
-+			    mode, &newfile);
-+  pthread_mutex_unlock (&dir->lock);
-+  if (err)
-+    return err;
-+
-+  err = chroot_new_node (newfile, sizeof (struct chroot_node), np);
-+  if (err)
-+    return err;
-+
-+  if (chroot_node (dir)->encrypt)
-+    {
-+      err = make_tmp_file (&chroot_node (*np)->shadow_file);
-+      if (err)
-+        return err;
-+    }
-+  else
-+    chroot_node (*np)->shadow_file = MACH_PORT_NULL;
-+
-+  pthread_mutex_unlock (&(*np)->lock);
-+  return err;
-+}
-+
-+error_t
-+netfs_attempt_read (struct iouser *cred, struct node *np,
-+		    off_t offset, size_t *len, void *data)
-+{
-+  struct chroot_node *n = chroot_node (np);
-+  char *buf = data;
-+  error_t err = io_read (n->shadow_file ?: netfs_node_netnode (np)->file,
-+			 &buf, len, offset, *len);
-+  if (err == 0 && buf != data)
-+    {
-+      memcpy (data, buf, *len);
-+      munmap (buf, *len);
-+    }
-+  return err;
-+}
-+
-+error_t
-+netfs_attempt_write (struct iouser *cred, struct node *np,
-+		     off_t offset, size_t *len, void *data)
-+{
-+  struct chroot_node *n = chroot_node (np);
-+  return io_write (n->shadow_file ?: netfs_node_netnode (np)->file,
-+                   data, *len, offset, len);
-+}
-+
-+error_t
-+netfs_attempt_sync (struct iouser *cred, struct node *np, int wait)
-+{
-+  error_t err;
-+  file_t gpg_file = netfs_node_netnode (np)->file;
-+  struct chroot_node *n = chroot_node (np);
-+
-+  err = file_sync (n->shadow_file ?: gpg_file, wait, 0);
-+  if (err)
-+    return err;
-+
-+  if (wait && MACH_PORT_VALID (n->shadow_file))
-+    {
-+      file_t shadow_file;
-+      off_t newp;
-+
-+      err = clone_file (n->shadow_file, &shadow_file);
-+      if (err)
-+        return err;
-+
-+      err = io_seek (gpg_file, 0, SEEK_SET, &newp);
-+      if (err)
-+        return err;
-+
-+      err = gpg_encrypt (shadow_file, gpg_file);
-+      if (err)
-+        return err;
-+
-+      mach_port_deallocate (mach_task_self (), shadow_file);
-+      err = file_sync (gpg_file, wait, 0);
-+    }
-+
-+  return err;
-+}
-+
-+
-+error_t
-+netfs_attempt_link (struct iouser *user, struct node *dir,
-+		    struct node *file, char *name, int excl)
-+{
-+  /* XXX translate name if file is encrypted.  */
-+  return dir_link (netfs_node_netnode (dir)->file,
-+                   netfs_node_netnode (file)->file, name, excl);
-+}
-+
-+void
-+chroot_node_norefs (struct node *np)
-+{
-+  error_t err;
-+  file_t gpg_file = netfs_node_netnode (np)->file;
-+  struct chroot_node *n = chroot_node (np);
-+  if (n->encrypt)
-+    {
-+      off_t newp;
-+
-+      err = io_seek (n->shadow_file, 0, SEEK_SET, &newp);
-+      if (err)
-+        return;
-+
-+      err = io_seek (gpg_file, 0, SEEK_SET, &newp);
-+      if (err)
-+        return;
-+
-+      err = gpg_encrypt (n->shadow_file, gpg_file);
-+      if (err)
-+        return;
-+
-+      mach_port_deallocate (mach_task_self (), n->shadow_file);
-+    }
-+}
-+
-+
-+error_t
-+netfs_get_dirents (struct iouser *cred, struct node *dir,
-+		   int entry, int nentries, char **data,
-+		   mach_msg_type_number_t *datacnt,
-+		   vm_size_t bufsize, int *amt)
-+{
-+  error_t err;
-+  char *ptr;
-+  struct dirent *dent;
-+  err = dir_readdir (netfs_node_netnode (dir)->file, data, datacnt,
-+                     entry, nentries, bufsize, amt);
-+  if (err)
-+    return err;
-+
-+  for (ptr = *data, dent = (struct dirent *) ptr;
-+       ptr - *data < *datacnt;
-+       ptr += dent->d_reclen, dent = (struct dirent *) ptr)
-+    {
-+      size_t len = strlen (dent->d_name);
-+      if (len > 4 && strcmp (&dent->d_name[len - 4], ".gpg") == 0)
-+        memset (&dent->d_name[len - 4], 0, 4);
-+    }
-+
-+  return 0;
-+}
-+
-+#define OPT_GPG_PROGRAM	-1
-+
-+static struct argp_option options[] =
-+{
-+  {NULL, 0, NULL, 0, "How to encrypt:", 1},
-+  {"recipient", 'r', "NAME", 0, "Encrypt for user NAME.  "
-+   "Can be given multiple times.", 1},
-+  {"symmetric", 'c', NULL, 0, "Encrypt with a password.", 1},
-+  {NULL, 0, NULL, 0, "Advanced options:", 2},
-+  {"gpg-program", OPT_GPG_PROGRAM, "FILENAME", 0,
-+   "Path to the GNU Privacy Guard executable ["GPG_DEFAULT_FILENAME"].", 2},
-+  {0}
-+};
-+
-+static char *args_doc = "";
-+static char *doc = "Transparently encrypt, decrypt, and verify signatures"
-+  " using GnuPG."
-+  "\vFor everyday use, the commands 'encrypt', 'decrypt', and 'verify'"
-+  " offer a simple and convenient frontend for this translator.";
-+
-+static error_t
-+parse_opt (int key, char *arg, struct argp_state *state)
-+{
-+  error_t err;
-+  switch (key)
-+    {
-+    case 'r':
-+      err = argz_add (&recipients, &recipients_len, arg);
-+      if (err)
-+        error (1, err, "argz_add");
-+      break;
-+
-+    case 'c':
-+      symmetric = 1;
-+      break;
-+
-+    case OPT_GPG_PROGRAM:
-+      gpg_filename = arg;
-+      break;
-+
-+    default:
-+      return ARGP_ERR_UNKNOWN;
-+    }
-+  return 0;
-+}
-+
-+int
-+main (int argc, char **argv)
-+{
-+  error_t err;
-+  mach_port_t bootstrap;
-+
-+  struct argp argp =
-+    {
-+      .options = options,
-+      .parser = parse_opt,
-+      .args_doc = args_doc,
-+      .doc = doc,
-+    };
-+
-+  /* Parse our command line arguments (all none of them).  */
-+  argp_parse (&argp, argc, argv, 0, 0, 0);
-+
-+  task_get_bootstrap_port (mach_task_self (), &bootstrap);
-+  if (! MACH_PORT_VALID (bootstrap))
-+    error (1, 0, "Must be started as a translator");
-+
-+  gpg_file = file_name_lookup (gpg_filename, O_EXEC, 0);
-+  if (! MACH_PORT_VALID (gpg_file))
-+    error (1, errno, "%s", gpg_filename);
-+
-+  netfs_init ();
-+  chroot_init ();
-+
-+  /* Get our underlying node (we presume it's a directory) and use
-+     that to make the root node of the filesystem.  */
-+  err = chroot_new_node (netfs_startup (bootstrap, O_READ),
-+                         sizeof (struct chroot_node), &netfs_root_node);
-+  if (err)
-+    error (5, err, "Cannot create root node");
-+
-+  err = netfs_validate_stat (netfs_root_node, 0);
-+  if (err)
-+    error (6, err, "Cannot stat underlying node");
-+
-+  netfs_root_node->nn_stat.st_mode &= ~(S_IPTRANS | S_IATRANS);
-+  netfs_root_node->nn_stat.st_mode |= S_IROOT;
-+  pthread_mutex_unlock (&netfs_root_node->lock);
-+
-+  chroot_node (netfs_root_node)->encrypt = 1;
-+  chroot_node (netfs_root_node)->shadow_file = MACH_PORT_NULL;
-+
-+  netfs_server_loop ();		/* Never returns.  */
-+
-+  /*NOTREACHED*/
-+  return 0;
-+}
-diff --git a/utils/Makefile b/utils/Makefile
-index d2ef9e8..aa6ff34 100644
---- a/utils/Makefile
-+++ b/utils/Makefile
-@@ -22,16 +22,16 @@ targets = shd ps settrans showtrans syncfs fsysopts \
- 	storeinfo login w uptime ids loginpr sush vmstat portinfo \
- 	devprobe vminfo addauth rmauth unsu setauth ftpcp ftpdir storecat \
- 	storeread msgport rpctrace mount gcore fakeauth fakeroot remap \
--	umount nullauth rpcscan vmallocate
-+	umount nullauth rpcscan vmallocate gpg-env
- 
--special-targets = loginpr sush uptime fakeroot remap
-+special-targets = loginpr sush uptime fakeroot remap gpg-env
- SRCS = shd.c ps.c settrans.c syncfs.c showtrans.c addauth.c rmauth.c \
- 	fsysopts.c storeinfo.c login.c loginpr.sh sush.sh w.c \
- 	uptime.sh psout.c ids.c vmstat.c portinfo.c devprobe.c vminfo.c \
- 	parse.c frobauth.c frobauth-mod.c setauth.c pids.c nonsugid.c \
- 	unsu.c ftpcp.c ftpdir.c storeread.c storecat.c msgport.c \
- 	rpctrace.c mount.c gcore.c fakeauth.c fakeroot.sh remap.sh \
--	nullauth.c match-options.c msgids.c rpcscan.c
-+	nullauth.c match-options.c msgids.c rpcscan.c gpg-env.sh
- 
- OBJS = $(filter-out %.sh,$(SRCS:.c=.o))
- HURDLIBS = ps ihash store fshelp ports ftpconn shouldbeinlibc
-diff --git a/utils/gpg-env.sh b/utils/gpg-env.sh
-new file mode 100644
-index 0000000..cd3c9d5
---- /dev/null
-+++ b/utils/gpg-env.sh
-@@ -0,0 +1,122 @@
-+#!/bin/sh
-+# Execute a command in an environment which encrypts, decrypts, and
-+# verifies files on demand.
-+#
-+# Copyright (C) 2016 Free Software Foundation, Inc.
-+#
-+# This file is part of the GNU Hurd.
-+#
-+# The GNU Hurd is free software; you can redistribute it and/or
-+# modify it under the terms of the GNU General Public License as
-+# published by the Free Software Foundation; either version 2, or (at
-+# your option) any later version.
-+#
-+# The GNU Hurd is distributed in the hope that it will be useful, but
-+# WITHOUT ANY WARRANTY; without even the implied warranty of
-+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-+# General Public License for more details.
-+#
-+# You should have received a copy of the GNU General Public License
-+# along with this program; if not, write to the Free Software
-+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+#
-+
-+USAGE="Usage:
-+    [gpg-env] encrypt for RECIPIENT [RECIPIENT...] -- [OPTION...] [COMMAND...]
-+    [gpg-env] encrypt with password                   [OPTION...] [COMMAND...]
-+    [gpg-env] decrypt                                 [OPTION...] [COMMAND...]
-+    [gpg-env] decrypt with password                   [OPTION...] [COMMAND...]
-+    [gpg-env] verify                                  [OPTION...] [COMMAND...]"
-+DOC="Execute COMMAND in an environment where files are automatically
-+encrypted, decrypted and verified."
-+
-+help()
-+{
-+    [ "$1" ] && echo "$1
-+"
-+    echo "$USAGE"
-+    echo ""
-+    echo "$DOC"
-+    echo ""
-+    echo "  -?, --help                 Give this help list"
-+    echo "      --usage                Give a short usage message"
-+    echo "  -V, --version              Print program version"
-+    [ "$1" ] && exit 1 || exit 0
-+}
-+
-+if [ "$(basename $0)" = "gpg-env.sh" ] \
-+   || [ "$(basename $0)" = "gpg-env" ]; then
-+    ACTION="$1"
-+    if [ ! "$ACTION" ]; then
-+	help "No action given."
-+    fi
-+    shift
-+else
-+    ACTION="$(basename $0)"
-+fi
-+
-+case "$ACTION" in
-+    "encrypt") ;;
-+    "decrypt") ;;
-+    "verify") ;;
-+    *)
-+	help "Invalid action '$ACTION'."
-+esac
-+
-+ENCRYPT=""
-+if [ "$ACTION" = "encrypt" ]; then
-+    if [ "$1" = "with" ] && [ "$2" = "password" ]; then
-+	ENCRYPT="--symmetric"
-+	shift 2
-+    elif [ "$1" = "for" ]; then
-+	shift
-+	while [ "$#" -gt 0 ] && [ "x$1" != "x--" ]; do
-+	    ENCRYPT="$ENCRYPT --recipient $1"
-+	    shift
-+	done
-+	if [ "$ENCRYPT" = "" ]; then
-+	    echo "No recipients given."
-+	    exit 1
-+	fi
-+	if [ "x$1" = "x--" ]; then
-+	    shift
-+	elif [ "$#" -eq 0 ]; then
-+	    # it's ok if there are no more arguments
-+	    :
-+	else
-+	    echo "Recipient list must be terminated using '--'."
-+	    exit 1
-+	fi
-+    fi
-+fi
-+
-+while [ "$#" -gt 0 ]; do
-+  case "$1" in
-+    --help|"-?")
-+      help
-+      ;;
-+    --usage)
-+      echo "$USAGE"
-+      echo "Options: [-V?] [--help] [--usage] [--version]"
-+      exit 0;;
-+    --version|-V)
-+      echo "STANDARD_HURD_VERSION_gpg-env_"; exit 0;;
-+    --)
-+      shift
-+      break
-+      ;;
-+    *)
-+      break
-+  esac
-+done
-+
-+if [ $# -eq 0 ]; then
-+  set -- ${SHELL:-/bin/sh}
-+fi
-+
-+# We exec settrans, which execs the target command in the chroot
-+# context provided by /hurd/gpg.
-+exec /bin/settrans \
-+     --chroot-chdir "$PWD" \
-+     --chroot "$@" -- \
-+     / /hurd/gpg $ENCRYPT
--- 
-2.1.4
-