X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=hivex%2Fhivexsh.c;fp=hivex%2Fhivexsh.c;h=0000000000000000000000000000000000000000;hp=332b77391aceddd2cc94255722a970b1e1c2f5e5;hb=a8c3723e3818b5a7a31520043c6831115ab9d0e0;hpb=aa4700f0325743aaa16b525637b00ee61b39df13

diff --git a/hivex/hivexsh.c b/hivex/hivexsh.c
deleted file mode 100644
index 332b773..0000000
--- a/hivex/hivexsh.c
+++ /dev/null
@@ -1,1094 +0,0 @@
-/* hivexsh - Hive shell.
- * Copyright (C) 2009 Red Hat 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 of the License, 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <assert.h>
-#include <errno.h>
-
-#ifdef HAVE_LIBREADLINE
-#include <readline/readline.h>
-#include <readline/history.h>
-#endif
-
-#ifdef HAVE_GETTEXT
-#include "gettext.h"
-#define _(str) dgettext(PACKAGE, (str))
-//#define N_(str) dgettext(PACKAGE, (str))
-#else
-#define _(str) str
-//#define N_(str) str
-#endif
-
-#define STREQ(a,b) (strcmp((a),(b)) == 0)
-#define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
-#define STRNEQ(a,b) (strcmp((a),(b)) != 0)
-//#define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
-//#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
-//#define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
-//#define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
-//#define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
-#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
-
-#include "c-ctype.h"
-#include "xstrtol.h"
-
-#include "hivex.h"
-#include "byte_conversions.h"
-
-#define HIVEX_MAX_VALUES         1000
-
-static int quit = 0;
-static int is_tty;
-static hive_h *h = NULL;
-static char *prompt_string = NULL; /* Normal prompt string. */
-static char *loaded = NULL;     /* Basename of loaded file, if any. */
-static hive_node_h cwd;         /* Current node. */
-static int open_flags = 0;      /* Flags used when loading a hive file. */
-
-static void usage (void) __attribute__((noreturn));
-static void print_node_path (hive_node_h, FILE *);
-static void set_prompt_string (void);
-static void initialize_readline (void);
-static void cleanup_readline (void);
-static void add_history_line (const char *);
-static char *rl_gets (const char *prompt_string);
-static void sort_strings (char **strings, int len);
-static int get_xdigit (char c);
-static int dispatch (char *cmd, char *args);
-static int cmd_add (char *name);
-static int cmd_cd (char *path);
-static int cmd_close (char *path);
-static int cmd_commit (char *path);
-static int cmd_del (char *args);
-static int cmd_help (char *args);
-static int cmd_load (char *hivefile);
-static int cmd_ls (char *args);
-static int cmd_lsval (char *args);
-static int cmd_setval (char *args);
-
-static void
-usage (void)
-{
-  fprintf (stderr, "hivexsh [-dfw] [hivefile]\n");
-  exit (EXIT_FAILURE);
-}
-
-int
-main (int argc, char *argv[])
-{
-  setlocale (LC_ALL, "");
-  bindtextdomain (PACKAGE, LOCALEBASEDIR);
-  textdomain (PACKAGE);
-
-  int c;
-  const char *filename = NULL;
-
-  set_prompt_string ();
-
-  while ((c = getopt (argc, argv, "dfw")) != EOF) {
-    switch (c) {
-    case 'd':
-      open_flags |= HIVEX_OPEN_DEBUG;
-      break;
-    case 'f':
-      filename = optarg;
-      break;
-    case 'w':
-      open_flags |= HIVEX_OPEN_WRITE;
-      break;
-    default:
-      usage ();
-    }
-  }
-
-  if (optind < argc) {
-    if (optind + 1 != argc)
-      usage ();
-    if (cmd_load (argv[optind]) == -1)
-      exit (EXIT_FAILURE);
-  }
-
-  /* -f filename parameter */
-  if (filename) {
-    close (0);
-    if (open (filename, O_RDONLY) == -1) {
-      perror (filename);
-      exit (EXIT_FAILURE);
-    }
-  }
-
-  /* Main loop. */
-  is_tty = isatty (0);
-  initialize_readline ();
-
-  if (is_tty)
-    printf (_(
-"\n"
-"Welcome to hivexsh, the hivex interactive shell for examining\n"
-"Windows Registry binary hive files.\n"
-"\n"
-"Type: 'help' for help summary\n"
-"      'quit' to quit the shell\n"
-"\n"));
-
-  while (!quit) {
-    char *buf = rl_gets (prompt_string);
-    if (!buf) {
-      quit = 1;
-      if (is_tty)
-        printf ("\n");
-      break;
-    }
-
-    while (*buf && c_isspace (*buf))
-      buf++;
-
-    /* Ignore blank line. */
-    if (!*buf) continue;
-
-    /* If the next character is '#' then this is a comment. */
-    if (*buf == '#') continue;
-
-    /* Parsing is very simple - much simpler than guestfish.  This is
-     * because Registry keys often contain spaces, and we don't want
-     * to bother with quoting.  Therefore here we just split at the
-     * first whitespace into "cmd<whitespace>arg(s)".  We let the
-     * command decide how to deal with arg(s), if at all.
-     */
-    size_t len = strcspn (buf, " \t");
-
-    if (len == 0) continue;
-
-    char *cmd = buf;
-    char *args;
-
-    if (buf[len] == '\0') {
-      /* This is mostly safe.  Although the cmd_* functions do sometimes
-       * modify args, then shouldn't do so when args is "".
-       */
-      args = (char *) "";
-      goto got_command;
-    }
-
-    buf[len] = '\0';
-    args = buf + len + 1 + strspn (&buf[len+1], " \t");
-
-    len = strlen (args);
-    while (len > 0 && c_isspace (args[len-1])) {
-      args[len-1] = '\0';
-      len--;
-    }
-
-  got_command:
-    /*printf ("command: '%s'  args: '%s'\n", cmd, args)*/;
-    int r = dispatch (cmd, args);
-    if (!is_tty && r == -1)
-      exit (EXIT_FAILURE);
-  }
-
-  cleanup_readline ();
-  free (prompt_string);
-  free (loaded);
-  if (h) hivex_close (h);
-  exit (0);
-}
-
-/* Set the prompt string.  This is called whenever it could change, eg.
- * after loading a file or changing directory.
- */
-static void
-set_prompt_string (void)
-{
-  free (prompt_string);
-  prompt_string = NULL;
-
-  FILE *fp;
-  char *ptr;
-  size_t size;
-  fp = open_memstream (&ptr, &size);
-  if (fp == NULL) {
-    perror ("open_memstream");
-    exit (EXIT_FAILURE);
-  }
-
-  if (h) {
-    assert (loaded != NULL);
-    assert (cwd != 0);
-
-    fputs (loaded, fp);
-    print_node_path (cwd, fp);
-  }
-
-  fprintf (fp, "> ");
-  fclose (fp);
-  prompt_string = ptr;
-}
-
-/* Print the \full\path of a node. */
-static void
-print_node_path (hive_node_h node, FILE *fp)
-{
-  hive_node_h root = hivex_root (h);
-
-  if (node == root) {
-    fputc ('\\', fp);
-    return;
-  }
-
-  hive_node_h parent = hivex_node_parent (h, node);
-  if (parent == 0) {
-    fprintf (stderr, _("hivexsh: error getting parent of node %zu\n"), node);
-    return;
-  }
-  print_node_path (parent, fp);
-
-  if (parent != root)
-    fputc ('\\', fp);
-
-  char *name = hivex_node_name (h, node);
-  if (name == NULL) {
-    fprintf (stderr, _("hivexsh: error getting node name of node %zx\n"), node);
-    return;
-  }
-
-  fputs (name, fp);
-  free (name);
-}
-
-static char *line_read = NULL;
-
-static char *
-rl_gets (const char *prompt_string)
-{
-#ifdef HAVE_LIBREADLINE
-
-  if (is_tty) {
-    if (line_read) {
-      free (line_read);
-      line_read = NULL;
-    }
-
-    line_read = readline (prompt_string);
-
-    if (line_read && *line_read)
-      add_history_line (line_read);
-
-    return line_read;
-  }
-
-#endif /* HAVE_LIBREADLINE */
-
-  static char buf[8192];
-  int len;
-
-  if (is_tty)
-    printf ("%s", prompt_string);
-  line_read = fgets (buf, sizeof buf, stdin);
-
-  if (line_read) {
-    len = strlen (line_read);
-    if (len > 0 && buf[len-1] == '\n') buf[len-1] = '\0';
-  }
-
-  return line_read;
-}
-
-#ifdef HAVE_LIBREADLINE
-static char histfile[1024];
-static int nr_history_lines = 0;
-#endif
-
-static void
-initialize_readline (void)
-{
-#ifdef HAVE_LIBREADLINE
-  const char *home;
-
-  home = getenv ("HOME");
-  if (home) {
-    snprintf (histfile, sizeof histfile, "%s/.hivexsh", home);
-    using_history ();
-    (void) read_history (histfile);
-  }
-
-  rl_readline_name = "hivexsh";
-#endif
-}
-
-static void
-cleanup_readline (void)
-{
-#ifdef HAVE_LIBREADLINE
-  int fd;
-
-  if (histfile[0] != '\0') {
-    fd = open (histfile, O_WRONLY|O_CREAT, 0644);
-    if (fd == -1) {
-      perror (histfile);
-      return;
-    }
-    close (fd);
-
-    (void) append_history (nr_history_lines, histfile);
-  }
-#endif
-}
-
-static void
-add_history_line (const char *line)
-{
-#ifdef HAVE_LIBREADLINE
-  add_history (line);
-  nr_history_lines++;
-#endif
-}
-
-static int
-compare (const void *vp1, const void *vp2)
-{
-  char * const *p1 = (char * const *) vp1;
-  char * const *p2 = (char * const *) vp2;
-  return strcasecmp (*p1, *p2);
-}
-
-static void
-sort_strings (char **strings, int len)
-{
-  qsort (strings, len, sizeof (char *), compare);
-}
-
-static int
-get_xdigit (char c)
-{
-  switch (c) {
-  case '0'...'9': return c - '0';
-  case 'a'...'f': return c - 'a' + 10;
-  case 'A'...'F': return c - 'A' + 10;
-  default: return -1;
-  }
-}
-
-static int
-dispatch (char *cmd, char *args)
-{
-  if (STRCASEEQ (cmd, "help"))
-    return cmd_help (args);
-  else if (STRCASEEQ (cmd, "load"))
-    return cmd_load (args);
-  else if (STRCASEEQ (cmd, "exit") ||
-           STRCASEEQ (cmd, "q") ||
-           STRCASEEQ (cmd, "quit")) {
-    quit = 1;
-    return 0;
-  }
-
-  /* If no hive file is loaded (!h) then only the small selection of
-   * commands above will work.
-   */
-  if (!h) {
-    fprintf (stderr, _("hivexsh: you must load a hive file first using 'load hivefile'\n"));
-    return -1;
-  }
-
-  if (STRCASEEQ (cmd, "add"))
-    return cmd_add (args);
-  else if (STRCASEEQ (cmd, "cd"))
-    return cmd_cd (args);
-  else if (STRCASEEQ (cmd, "close") || STRCASEEQ (cmd, "unload"))
-    return cmd_close (args);
-  else if (STRCASEEQ (cmd, "commit"))
-    return cmd_commit (args);
-  else if (STRCASEEQ (cmd, "del"))
-    return cmd_del (args);
-  else if (STRCASEEQ (cmd, "ls"))
-    return cmd_ls (args);
-  else if (STRCASEEQ (cmd, "lsval"))
-    return cmd_lsval (args);
-  else if (STRCASEEQ (cmd, "setval"))
-    return cmd_setval (args);
-  else {
-    fprintf (stderr, _("hivexsh: unknown command '%s', use 'help' for help summary\n"),
-             cmd);
-    return -1;
-  }
-}
-
-static int
-cmd_load (char *hivefile)
-{
-  if (STREQ (hivefile, "")) {
-    fprintf (stderr, _("hivexsh: load: no hive file name given to load\n"));
-    return -1;
-  }
-
-  if (h) hivex_close (h);
-  h = NULL;
-
-  free (loaded);
-  loaded = NULL;
-
-  cwd = 0;
-
-  h = hivex_open (hivefile, open_flags);
-  if (h == NULL) {
-    fprintf (stderr,
-             _(
-"hivexsh: failed to open hive file: %s: %m\n"
-"\n"
-"If you think this file is a valid Windows binary hive file (_not_\n"
-"a regedit *.reg file) then please run this command again using the\n"
-"hivexsh option '-d' and attach the complete output _and_ the hive file\n"
-"which fails into a bug report at https://bugzilla.redhat.com/\n"
-"\n"),
-             hivefile);
-    return -1;
-  }
-
-  /* Get the basename of the file for the prompt. */
-  char *p = strrchr (hivefile, '/');
-  if (p)
-    loaded = strdup (p+1);
-  else
-    loaded = strdup (hivefile);
-  if (!loaded) {
-    perror ("strdup");
-    exit (EXIT_FAILURE);
-  }
-
-  cwd = hivex_root (h);
-
-  set_prompt_string ();
-
-  return 0;
-}
-
-static int
-cmd_close (char *args)
-{
-  if (STRNEQ (args, "")) {
-    fprintf (stderr, _("hivexsh: '%s' command should not be given arguments\n"),
-             "close");
-    return -1;
-  }
-
-  if (h) hivex_close (h);
-  h = NULL;
-
-  free (loaded);
-  loaded = NULL;
-
-  cwd = 0;
-
-  set_prompt_string ();
-
-  return 0;
-}
-
-static int
-cmd_commit (char *path)
-{
-  if (STREQ (path, ""))
-    path = NULL;
-
-  if (hivex_commit (h, path, 0) == -1) {
-    perror ("hivexsh: commit");
-    return -1;
-  }
-
-  return 0;
-}
-
-static int
-cmd_cd (char *path)
-{
-  if (STREQ (path, "")) {
-    print_node_path (cwd, stdout);
-    fputc ('\n', stdout);
-    return 0;
-  }
-
-  if (path[0] == '\\' && path[1] == '\\') {
-    fprintf (stderr, _("%s: %s: \\ characters in path are doubled - are you escaping the path parameter correctly?\n"), "hivexsh", path);
-    return -1;
-  }
-
-  hive_node_h new_cwd = cwd;
-  hive_node_h root = hivex_root (h);
-
-  if (path[0] == '\\') {
-    new_cwd = root;
-    path++;
-  }
-
-  while (path[0]) {
-    size_t len = strcspn (path, "\\");
-    if (len == 0) {
-      path++;
-      continue;
-    }
-
-    char *elem = path;
-    path = path[len] == '\0' ? &path[len] : &path[len+1];
-    elem[len] = '\0';
-
-    if (len == 1 && STREQ (elem, "."))
-      continue;
-
-    if (len == 2 && STREQ (elem, "..")) {
-      if (new_cwd != root)
-        new_cwd = hivex_node_parent (h, new_cwd);
-      continue;
-    }
-
-    errno = 0;
-    new_cwd = hivex_node_get_child (h, new_cwd, elem);
-    if (new_cwd == 0) {
-      if (errno)
-        perror ("hivexsh: cd");
-      else
-        fprintf (stderr, _("hivexsh: cd: subkey '%s' not found\n"),
-                 elem);
-      return -1;
-    }
-  }
-
-  if (new_cwd != cwd) {
-    cwd = new_cwd;
-    set_prompt_string ();
-  }
-
-  return 0;
-}
-
-static int
-cmd_help (char *args)
-{
-  printf (_(
-"Navigate through the hive's keys using the 'cd' command, as if it\n"
-"contained a filesystem, and use 'ls' to list the subkeys of the\n"
-"current key.  Full documentation is in the hivexsh(1) manual page.\n"));
-
-  return 0;
-}
-
-static int
-cmd_ls (char *args)
-{
-  if (STRNEQ (args, "")) {
-    fprintf (stderr, _("hivexsh: '%s' command should not be given arguments\n"),
-             "ls");
-    return -1;
-  }
-
-  /* Get the subkeys. */
-  hive_node_h *children = hivex_node_children (h, cwd);
-  if (children == NULL) {
-    perror ("ls");
-    return -1;
-  }
-
-  /* Get names for each subkey. */
-  size_t len;
-  for (len = 0; children[len] != 0; ++len)
-    ;
-
-  char **names = calloc (len, sizeof (char *));
-  if (names == NULL) {
-    perror ("malloc");
-    exit (EXIT_FAILURE);
-  }
-
-  int ret = -1;
-  size_t i;
-  for (i = 0; i < len; ++i) {
-    names[i] = hivex_node_name (h, children[i]);
-    if (names[i] == NULL) {
-      perror ("hivex_node_name");
-      goto error;
-    }
-  }
-
-  /* Sort the names. */
-  sort_strings (names, len);
-
-  for (i = 0; i < len; ++i)
-    printf ("%s\n", names[i]);
-
-  ret = 0;
- error:
-  free (children);
-  for (i = 0; i < len; ++i)
-    free (names[i]);
-  free (names);
-  return ret;
-}
-
-static int
-cmd_lsval (char *key)
-{
-  if (STRNEQ (key, "")) {
-    hive_value_h value;
-
-    errno = 0;
-    if (STREQ (key, "@"))       /* default key written as "@" */
-      value = hivex_node_get_value (h, cwd, "");
-    else
-      value = hivex_node_get_value (h, cwd, key);
-
-    if (value == 0) {
-      if (errno)
-        goto error;
-      /* else key not found */
-      fprintf (stderr, _("%s: %s: key not found\n"), "hivexsh", key);
-      return -1;
-    }
-
-    /* Print the value. */
-    hive_type t;
-    size_t len;
-    if (hivex_value_type (h, value, &t, &len) == -1)
-      goto error;
-
-    switch (t) {
-    case hive_t_string:
-    case hive_t_expand_string:
-    case hive_t_link: {
-      char *str = hivex_value_string (h, value);
-      if (!str)
-        goto error;
-
-      puts (str); /* note: this adds a single \n character */
-      free (str);
-      break;
-    }
-
-    case hive_t_dword:
-    case hive_t_dword_be: {
-      int32_t j = hivex_value_dword (h, value);
-      printf ("%" PRIi32 "\n", j);
-      break;
-    }
-
-    case hive_t_qword: {
-      int64_t j = hivex_value_qword (h, value);
-      printf ("%" PRIi64 "\n", j);
-      break;
-    }
-
-    case hive_t_multiple_strings: {
-      char **strs = hivex_value_multiple_strings (h, value);
-      if (!strs)
-        goto error;
-      size_t j;
-      for (j = 0; strs[j] != NULL; ++j) {
-        puts (strs[j]);
-        free (strs[j]);
-      }
-      free (strs);
-      break;
-    }
-
-    case hive_t_none:
-    case hive_t_binary:
-    case hive_t_resource_list:
-    case hive_t_full_resource_description:
-    case hive_t_resource_requirements_list:
-    default: {
-      char *data = hivex_value_value (h, value, &t, &len);
-      if (!data)
-        goto error;
-
-      if (fwrite (data, 1, len, stdout) != len)
-        goto error;
-
-      free (data);
-      break;
-    }
-    } /* switch */
-  } else {
-    /* No key specified, so print all keys in this node.  We do this
-     * in a format which looks like the output of regedit, although
-     * this isn't a particularly useful format.
-     */
-    hive_value_h *values;
-
-    values = hivex_node_values (h, cwd);
-    if (values == NULL)
-      goto error;
-
-    size_t i;
-    for (i = 0; values[i] != 0; ++i) {
-      char *key = hivex_value_key (h, values[i]);
-      if (!key) goto error;
-
-      if (*key) {
-        putchar ('"');
-        size_t j;
-        for (j = 0; key[j] != 0; ++j) {
-          if (key[j] == '"' || key[j] == '\\')
-            putchar ('\\');
-          putchar (key[j]);
-        }
-        putchar ('"');
-      } else
-        printf ("\"@\"");       /* default key in regedit files */
-      putchar ('=');
-      free (key);
-
-      hive_type t;
-      size_t len;
-      if (hivex_value_type (h, values[i], &t, &len) == -1)
-        goto error;
-
-      switch (t) {
-      case hive_t_string:
-      case hive_t_expand_string:
-      case hive_t_link: {
-        char *str = hivex_value_string (h, values[i]);
-        if (!str)
-          goto error;
-
-        if (t != hive_t_string)
-          printf ("str(%d):", t);
-        putchar ('"');
-        size_t j;
-        for (j = 0; str[j] != 0; ++j) {
-          if (str[j] == '"' || str[j] == '\\')
-            putchar ('\\');
-          putchar (str[j]);
-        }
-        putchar ('"');
-        free (str);
-        break;
-      }
-
-      case hive_t_dword:
-      case hive_t_dword_be: {
-        int32_t j = hivex_value_dword (h, values[i]);
-        printf ("dword:%08" PRIx32, j);
-        break;
-      }
-
-      case hive_t_qword: /* sic */
-      case hive_t_none:
-      case hive_t_binary:
-      case hive_t_multiple_strings:
-      case hive_t_resource_list:
-      case hive_t_full_resource_description:
-      case hive_t_resource_requirements_list:
-      default: {
-        unsigned char *data =
-          (unsigned char *) hivex_value_value (h, values[i], &t, &len);
-        if (!data)
-          goto error;
-
-        printf ("hex(%d):", t);
-        size_t j;
-        for (j = 0; j < len; ++j) {
-          if (j > 0)
-            putchar (',');
-          printf ("%02x", data[j]);
-        }
-        break;
-      }
-      } /* switch */
-
-      putchar ('\n');
-    } /* for */
-
-    free (values);
-  }
-
-  return 0;
-
- error:
-  perror ("hivexsh: lsval");
-  return -1;
-}
-
-static int
-cmd_setval (char *nrvals_str)
-{
-  strtol_error xerr;
-
-  /* Parse number of values. */
-  long nrvals;
-  xerr = xstrtol (nrvals_str, NULL, 0, &nrvals, "");
-  if (xerr != LONGINT_OK) {
-    fprintf (stderr, _("%s: %s: invalid integer parameter (%s returned %d)\n"),
-             "setval", "nrvals", "xstrtol", xerr);
-    return -1;
-  }
-  if (nrvals < 0 || nrvals > HIVEX_MAX_VALUES) {
-    fprintf (stderr, _("%s: %s: integer out of range\n"),
-             "setval", "nrvals");
-    return -1;
-  }
-
-  struct hive_set_value *values =
-    calloc (nrvals, sizeof (struct hive_set_value));
-  if (values == NULL) {
-    perror ("calloc");
-    exit (EXIT_FAILURE);
-  }
-
-  int ret = -1;
-
-  /* Read nrvals * 2 lines of input, nrvals * (key, value) pairs, as
-   * explained in the man page.
-   */
-  int i, j;
-  for (i = 0; i < nrvals; ++i) {
-    /* Read key. */
-    char *buf = rl_gets ("  key> ");
-    if (!buf) {
-      fprintf (stderr, _("hivexsh: setval: unexpected end of input\n"));
-      quit = 1;
-      goto error;
-    }
-
-    /* Note that buf will be overwritten by the next call to rl_gets. */
-    if (STREQ (buf, "@"))
-      values[i].key = strdup ("");
-    else
-      values[i].key = strdup (buf);
-    if (values[i].key == NULL) {
-      perror ("strdup");
-      exit (EXIT_FAILURE);
-    }
-
-    /* Read value. */
-    buf = rl_gets ("value> ");
-    if (!buf) {
-      fprintf (stderr, _("hivexsh: setval: unexpected end of input\n"));
-      quit = 1;
-      goto error;
-    }
-
-    if (STREQ (buf, "none")) {
-      values[i].t = hive_t_none;
-      values[i].len = 0;
-    }
-    else if (STRPREFIX (buf, "string:")) {
-      buf += 7;
-      values[i].t = hive_t_string;
-      int nr_chars = strlen (buf);
-      values[i].len = 2 * (nr_chars + 1);
-      values[i].value = malloc (values[i].len);
-      if (!values[i].value) {
-        perror ("malloc");
-        exit (EXIT_FAILURE);
-      }
-      for (j = 0; j <= /* sic */ nr_chars; ++j) {
-        if (buf[j] & 0x80) {
-          fprintf (stderr, _("hivexsh: string(utf16le): only 7 bit ASCII strings are supported for input\n"));
-          goto error;
-        }
-        values[i].value[2*j] = buf[j];
-        values[i].value[2*j+1] = '\0';
-      }
-    }
-    else if (STRPREFIX (buf, "expandstring:")) {
-      buf += 13;
-      values[i].t = hive_t_expand_string;
-      int nr_chars = strlen (buf);
-      values[i].len = 2 * (nr_chars + 1);
-      values[i].value = malloc (values[i].len);
-      if (!values[i].value) {
-        perror ("malloc");
-        exit (EXIT_FAILURE);
-      }
-      for (j = 0; j <= /* sic */ nr_chars; ++j) {
-        if (buf[j] & 0x80) {
-          fprintf (stderr, _("hivexsh: string(utf16le): only 7 bit ASCII strings are supported for input\n"));
-          goto error;
-        }
-        values[i].value[2*j] = buf[j];
-        values[i].value[2*j+1] = '\0';
-      }
-    }
-    else if (STRPREFIX (buf, "dword:")) {
-      buf += 6;
-      values[i].t = hive_t_dword;
-      values[i].len = 4;
-      values[i].value = malloc (4);
-      if (!values[i].value) {
-        perror ("malloc");
-        exit (EXIT_FAILURE);
-      }
-      long n;
-      xerr = xstrtol (buf, NULL, 0, &n, "");
-      if (xerr != LONGINT_OK) {
-        fprintf (stderr, _("%s: %s: invalid integer parameter (%s returned %d)\n"),
-                 "setval", "dword", "xstrtol", xerr);
-        goto error;
-      }
-      if (n < 0 || n > UINT32_MAX) {
-        fprintf (stderr, _("%s: %s: integer out of range\n"),
-                 "setval", "dword");
-        goto error;
-      }
-      uint32_t u32 = htole32 (n);
-      memcpy (values[i].value, &u32, 4);
-    }
-    else if (STRPREFIX (buf, "qword:")) {
-      buf += 6;
-      values[i].t = hive_t_qword;
-      values[i].len = 8;
-      values[i].value = malloc (8);
-      if (!values[i].value) {
-        perror ("malloc");
-        exit (EXIT_FAILURE);
-      }
-      long long n;
-      xerr = xstrtoll (buf, NULL, 0, &n, "");
-      if (xerr != LONGINT_OK) {
-        fprintf (stderr, _("%s: %s: invalid integer parameter (%s returned %d)\n"),
-                 "setval", "dword", "xstrtoll", xerr);
-        goto error;
-      }
-#if 0
-      if (n < 0 || n > UINT64_MAX) {
-        fprintf (stderr, _("%s: %s: integer out of range\n"),
-                 "setval", "dword");
-        goto error;
-      }
-#endif
-      uint64_t u64 = htole64 (n);
-      memcpy (values[i].value, &u64, 4);
-    }
-    else if (STRPREFIX (buf, "hex:")) {
-      /* Read the type. */
-      buf += 4;
-      size_t len = strcspn (buf, ":");
-      char *nextbuf;
-      if (buf[len] == '\0')     /* "hex:t" */
-        nextbuf = &buf[len];
-      else {                    /* "hex:t:..." */
-        buf[len] = '\0';
-        nextbuf = &buf[len+1];
-      }
-
-      long t;
-      xerr = xstrtol (buf, NULL, 0, &t, "");
-      if (xerr != LONGINT_OK) {
-        fprintf (stderr, _("%s: %s: invalid integer parameter (%s returned %d)\n"),
-                 "setval", "hex", "xstrtol", xerr);
-        goto error;
-      }
-      if (t < 0 || t > UINT32_MAX) {
-        fprintf (stderr, _("%s: %s: integer out of range\n"),
-                 "setval", "hex");
-        goto error;
-      }
-      values[i].t = t;
-
-      /* Read the hex data. */
-      buf = nextbuf;
-
-      /* The allocation length is an overestimate, but it doesn't matter. */
-      values[i].value = malloc (1 + strlen (buf) / 2);
-      if (!values[i].value) {
-        perror ("malloc");
-        exit (EXIT_FAILURE);
-      }
-      values[i].len = 0;
-
-      while (*buf) {
-        int c = 0;
-
-        for (j = 0; *buf && j < 2; buf++) {
-          if (c_isxdigit (*buf)) { /* NB: ignore non-hex digits. */
-            c <<= 4;
-            c |= get_xdigit (*buf);
-            j++;
-          }
-        }
-
-        if (j == 2) values[i].value[values[i].len++] = c;
-        else if (j == 1) {
-          fprintf (stderr, _("hivexsh: setval: trailing garbage after hex string\n"));
-          goto error;
-        }
-      }
-    }
-    else {
-      fprintf (stderr,
-               _("hivexsh: setval: cannot parse value string, please refer to the man page hivexsh(1) for help: %s\n"),
-               buf);
-      goto error;
-    }
-  }
-
-  ret = hivex_node_set_values (h, cwd, nrvals, values, 0);
-
- error:
-  /* Free values array. */
-  for (i = 0; i < nrvals; ++i) {
-    free (values[i].key);
-    free (values[i].value);
-  }
-  free (values);
-
-  return ret;
-}
-
-static int
-cmd_del (char *args)
-{
-  if (STRNEQ (args, "")) {
-    fprintf (stderr, _("hivexsh: '%s' command should not be given arguments\n"),
-             "del");
-    return -1;
-  }
-
-  if (cwd == hivex_root (h)) {
-    fprintf (stderr, _("hivexsh: del: the root node cannot be deleted\n"));
-    return -1;
-  }
-
-  hive_node_h new_cwd = hivex_node_parent (h, cwd);
-
-  if (hivex_node_delete_child (h, cwd) == -1) {
-    perror ("hivexsh: del");
-    return -1;
-  }
-
-  cwd = new_cwd;
-  set_prompt_string ();
-  return 0;
-}
-
-static int
-cmd_add (char *name)
-{
-  hive_node_h node = hivex_node_add_child (h, cwd, name);
-  if (node == 0) {
-    perror ("hivexsh: add");
-    return -1;
-  }
-  return 0;
-}