예제 #1
0
/* Register a filename for plain keybox files.  Returns a pointer to
   be used to create a handles and so on.  Returns NULL to indicate
   that FNAME has already been registered.  */
void *
keybox_register_file (const char *fname, int secret)
{
  KB_NAME kr;

  for (kr=kb_names; kr; kr = kr->next)
    {
      if (same_file_p (kr->fname, fname) )
        return NULL; /* Already registered. */
    }

  kr = xtrymalloc (sizeof *kr + strlen (fname));
  if (!kr)
    return NULL;
  strcpy (kr->fname, fname);
  kr->secret = !!secret;

  kr->handle_table = NULL;
  kr->handle_table_size = 0;

  /* kr->lockhd = NULL;*/
  kr->is_locked = 0;
  kr->did_full_scan = 0;
  /* keep a list of all issued pointers */
  kr->next = kb_names;
  kb_names = kr;

  /* create the offset table the first time a function here is used */
/*      if (!kb_offtbl) */
/*        kb_offtbl = new_offset_hash_table (); */

  return kr;
}
예제 #2
0
/*
 * Register a filename for plain keyring files.  ptr is set to a
 * pointer to be used to create a handles etc, or the already-issued
 * pointer if it has already been registered.  The function returns 1
 * if a new keyring was registered.
*/
int
keyring_register_filename (const char *fname, int secret, int readonly,
                           void **ptr)
{
    KR_NAME kr;

    if (active_handles)
        BUG (); /* We don't allow that */

    for (kr=kr_names; kr; kr = kr->next)
      {
        if (same_file_p (kr->fname, fname))
	  {
            /* Already registered. */
            if (readonly)
              kr->readonly = 1;
            *ptr=kr;
	    return 0;
	  }
      }

    if (secret)
      register_secured_file (fname);

    kr = xmalloc (sizeof *kr + strlen (fname));
    strcpy (kr->fname, fname);
    kr->secret = !!secret;
    kr->readonly = readonly;
    kr->lockhd = NULL;
    kr->is_locked = 0;
    kr->did_full_scan = 0;
    /* keep a list of all issued pointers */
    kr->next = kr_names;
    kr_names = kr;

    /* create the offset table the first time a function here is used */
    if (!kr_offtbl)
      kr_offtbl = new_offset_hash_table ();

    *ptr=kr;

    return 1;
}
예제 #3
0
/*
 * Register a filename for plain keyring files.  ptr is set to a
 * pointer to be used to create a handles etc, or the already-issued
 * pointer if it has already been registered.  The function returns 1
 * if a new keyring was registered.
*/
int
keyring_register_filename (const char *fname, int read_only, void **ptr)
{
    KR_RESOURCE kr;

    if (active_handles)
      /* There are open handles.  */
      BUG ();

    for (kr=kr_resources; kr; kr = kr->next)
      {
        if (same_file_p (kr->fname, fname))
	  {
            /* Already registered. */
            if (read_only)
              kr->read_only = 1;
            *ptr=kr;
	    return 0;
	  }
      }

    kr = xmalloc (sizeof *kr + strlen (fname));
    strcpy (kr->fname, fname);
    kr->read_only = read_only;
    kr->lockhd = NULL;
    kr->is_locked = 0;
    kr->did_full_scan = 0;
    /* keep a list of all issued pointers */
    kr->next = kr_resources;
    kr_resources = kr;

    /* create the offset table the first time a function here is used */
    if (!key_present_hash)
      key_present_hash = key_present_hash_new ();

    *ptr=kr;

    return 1;
}
예제 #4
0
파일: db.c 프로젝트: clerkma/texlive-mobile
void
kpathsea_init_db (kpathsea kpse)
{
  const_string db_path;
  string *db_files;
  string *orig_db_files;
  str_list_type unique_list;
  int dbi;
  boolean ok = false;

  assert (sizeof(DB_NAME) == sizeof(DB_NAME_LC));

  db_path = kpathsea_init_format (kpse, kpse_db_format);
  db_files = kpathsea_path_search_list_generic (kpse, db_path, db_names,
                                                true, true);
  orig_db_files = db_files;
  
  /* Mac OS X and others can use a case-insensitive, case-preserving
     filesystem by default, in which case ls-R and ls-r point to the
     same file.  Also, Windows is case-insensitive.  In these cases,
     we want to avoid reading the same file multiple times. */
  dbi = 0;
  unique_list = str_list_init ();
  
  while (db_files[dbi] != NULL) {
    string path1 = db_files[dbi];
    string path2 = db_files[dbi + 1];

    /* first-pass check in case path1/path2 aren't even
       potentially equal; mainly in case the order from
       kpathsea_path_search_list_generic changes. */
    if (path2
        && strcasecmp (path1, path2) == 0
        && same_file_p (path1, path2)) {
      /* they are the same, skip over path1, we'll add path2
         on the next iteration (when it's path1). */
#ifdef KPSE_DEBUG
      if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
        DEBUGF2 ("db:init(): skipping db same_file_p %s, will add %s.\n",
                 path1, path2);
      }
#endif
      free (path1);

    } else {
     /* they are not the same, add path1.  */
#ifdef KPSE_DEBUG
      if (KPATHSEA_DEBUG_P (KPSE_DEBUG_HASH)) {
        DEBUGF1 ("db:init(): using db file %s.\n", path1);
      }
#endif
      str_list_add (&unique_list, path1);
    }

    /* could be more clever and increment by two, but then would
       have to avoid jumping off the end of db_files */
    dbi++;
  }
  
  /* always add a NULL terminator.  */
  str_list_add (&unique_list, NULL);
  
  free (orig_db_files);
  db_files = STR_LIST (unique_list);
  orig_db_files = db_files;

  /* Must do this after the path searching (which ends up calling
     kpse_db_search recursively), so kpse->db.buckets stays NULL.  */
  kpse->db = hash_create (DB_HASH_SIZE);

  while (db_files && *db_files) {
    if (db_build (kpse, &(kpse->db), *db_files))
      ok = true;
    free (*db_files);
    db_files++;
  }

  if (!ok) {
    /* If db can't be built, leave `size' nonzero (so we don't
       rebuild it), but clear `buckets' (so we don't look in it).  */
    free (kpse->db.buckets);
    kpse->db.buckets = NULL;
  }

  free (orig_db_files);

  /* Add the content of any alias databases.  There may exist more than
     one alias file along DB_NAME files.  This duplicates the above code
     -- should be a function.  */
  ok = false;
  db_files = kpathsea_all_path_search (kpse, db_path, ALIAS_NAME);
  orig_db_files = db_files;

  kpse->alias_db = hash_create (ALIAS_HASH_SIZE);

  while (db_files && *db_files) {
    if (alias_build (kpse, &(kpse->alias_db), *db_files))
      ok = true;
    free (*db_files);
    db_files++;
  }

  if (!ok) {
    free (kpse->alias_db.buckets);
    kpse->alias_db.buckets = NULL;
  }

  free (orig_db_files);
}