diff options
Diffstat (limited to 'src/or/address_set.c')
-rw-r--r-- | src/or/address_set.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/src/or/address_set.c b/src/or/address_set.c deleted file mode 100644 index 927a5597c0..0000000000 --- a/src/or/address_set.c +++ /dev/null @@ -1,71 +0,0 @@ -/* Copyright (c) 2018-2018, The Tor Project, Inc. */ -/* See LICENSE for licensing information */ - -/** - * \file address_set.c - * \brief Implementation for a set of addresses. - * - * This module was first written on a semi-emergency basis to improve the - * robustness of the anti-DoS module. As such, it's written in a pretty - * conservative way, and should be susceptible to improvement later on. - **/ - -#include "orconfig.h" -#include "or/address_set.h" -#include "lib/net/address.h" -#include "lib/container/bloomfilt.h" -#include "lib/crypt_ops/crypto_rand.h" -#include "siphash.h" - -/* Wrap our hash function to have the signature that the bloom filter - * needs. */ -static uint64_t -bloomfilt_addr_hash(const struct sipkey *key, - const void *item) -{ - return tor_addr_keyed_hash(key, item); -} - -/** - * Allocate and return an address_set, suitable for holding up to - * <b>max_address_guess</b> distinct values. - */ -address_set_t * -address_set_new(int max_addresses_guess) -{ - uint8_t k[BLOOMFILT_KEY_LEN]; - crypto_rand((void*)k, sizeof(k)); - return bloomfilt_new(max_addresses_guess, bloomfilt_addr_hash, k); -} - -/** - * Add <b>addr</b> to <b>set</b>. - * - * All future queries for <b>addr</b> in set will return true. Removing - * items is not possible. - */ -void -address_set_add(address_set_t *set, const struct tor_addr_t *addr) -{ - bloomfilt_add(set, addr); -} - -/** As address_set_add(), but take an ipv4 address in host order. */ -void -address_set_add_ipv4h(address_set_t *set, uint32_t addr) -{ - tor_addr_t a; - tor_addr_from_ipv4h(&a, addr); - address_set_add(set, &a); -} - -/** - * Return true if <b>addr</b> is a member of <b>set</b>. (And probably, - * return false if <b>addr</b> is not a member of set.) - */ -int -address_set_probably_contains(const address_set_t *set, - const struct tor_addr_t *addr) -{ - return bloomfilt_probably_contains(set, addr); -} |