C++ (Cpp) priv_set_ismember示例

示例#1

文件： test-priv-set.c 项目： djmitche/gnulib

int
main (void)
{
#if HAVE_GETPPRIV && HAVE_PRIV_H
    priv_set_t *set;

    ASSERT (set = priv_allocset ());
    ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
    ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 1);

    /* Do a series of removes and restores making sure that the results are
       consistent with our ismember function and solaris' priv_ismember.  */
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 1);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 1);
    ASSERT (priv_set_restore (PRIV_PROC_EXEC) == -1);
        ASSERT (errno == EINVAL);
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 1);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 1);
    ASSERT (priv_set_remove (PRIV_PROC_EXEC) == 0);
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 0);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 0);
    ASSERT (priv_set_remove (PRIV_PROC_EXEC) == -1);
        ASSERT (errno == EINVAL);
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 0);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 0);
    ASSERT (priv_set_restore (PRIV_PROC_EXEC) == 0);
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 1);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 1);
    ASSERT (priv_set_restore (PRIV_PROC_EXEC) == -1);
        ASSERT (errno == EINVAL);
    ASSERT (priv_set_ismember (PRIV_PROC_EXEC) == 1);
        ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
        ASSERT (priv_ismember (set, PRIV_PROC_EXEC) == 1);

    /* Test the priv_set_linkdir wrappers.  */
    ASSERT (getppriv (PRIV_EFFECTIVE, set) == 0);
    if (priv_ismember (set, PRIV_SYS_LINKDIR))
      {
        ASSERT (priv_set_restore_linkdir () == -1);
            ASSERT (errno == EINVAL);
        ASSERT (priv_set_remove_linkdir () == 0);
        ASSERT (priv_set_remove_linkdir () == -1);
            ASSERT (errno == EINVAL);
        ASSERT (priv_set_restore_linkdir () == 0);
      }
#else
    ASSERT (priv_set_restore_linkdir () == -1);
    ASSERT (priv_set_remove_linkdir () == -1);
#endif

    return 0;
}

示例#2

文件： write-any-file.c 项目： 4solo/cs35

bool
can_write_any_file (void)
{
  static bool initialized;
  static bool can_write;

  if (! initialized)
    {
      bool can = false;
#if defined PRIV_FILE_DAC_WRITE
      can = (priv_set_ismember (PRIV_FILE_DAC_WRITE) == 1);
#else
      /* In traditional Unix, only root can unlink directories.  */
      can = (geteuid () == 0);
#endif
      can_write = can;
      initialized = true;
    }

  return can_write;
}

示例#3

文件： unlinkdir.c 项目： SamB/debian-coreutils

bool
cannot_unlink_dir (void)
{
  static bool initialized;
  static bool cannot;

  if (! initialized)
    {
# if defined PRIV_SYS_LINKDIR
      /* We might be able to unlink directories if we cannot
         determine our privileges, or if we have the
         PRIV_SYS_LINKDIR privilege.  */
      cannot = (priv_set_ismember (PRIV_SYS_LINKDIR) == 0);
# else
      /* In traditional Unix, only root can unlink directories.  */
      cannot = (geteuid () != ROOT_UID);
# endif
      initialized = true;
    }

  return cannot;
}