release/src/router/busybox/archival/libarchive/filter_accept_reject_list.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Copyright (C) 2002 by Glenn McGrath
   4  *
   5  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   6  */
   7
   8 #include "libbb.h"
   9 #include "bb_archive.h"
  10
  11 /*
  12  * Accept names that are in the accept list and not in the reject list
  13  */
  14 char FAST_FUNC filter_accept_reject_list(archive_handle_t *archive_handle)
  15 {
  16         const char *key;
  17         const llist_t *reject_entry;
  18         const llist_t *accept_entry;
  19
  20         key = archive_handle->file_header->name;
  21
  22         /* If the key is in a reject list fail */
  23         reject_entry = find_list_entry2(archive_handle->reject, key);
  24         if (reject_entry) {
  25                 return EXIT_FAILURE;
  26         }
  27
  28         /* Fail if an accept list was specified and the key wasnt in there */
  29         if (archive_handle->accept) {
  30                 accept_entry = find_list_entry2(archive_handle->accept, key);
  31                 if (!accept_entry) {
  32                         return EXIT_FAILURE;
  33                 }
  34         }
  35
  36         /* Accepted */
  37         return EXIT_SUCCESS;
  38 }