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162 lines
4.0 KiB
C
162 lines
4.0 KiB
C
/*-
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* SSLsplit - transparent SSL/TLS interception
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* https://www.roe.ch/SSLsplit
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*
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* Copyright (c) 2009-2019, Daniel Roethlisberger <daniel@roe.ch>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "cachetgcrt.h"
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#include "ssl.h"
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#include "khash.h"
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/*
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* Cache for target cert / chain / key tuples read from configured directory.
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* This cache does not need garbage collection.
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*
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* key: char * common name
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* val: cert_t * cert / chain / key tuple
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*/
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KHASH_INIT(cstrmap_t, char*, void*, 1, kh_str_hash_func, kh_str_hash_equal)
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static khash_t(cstrmap_t) *certmap;
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static cache_iter_t
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cachetgcrt_begin_cb(void)
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{
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return kh_begin(certmap);
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}
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static cache_iter_t
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cachetgcrt_end_cb(void)
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{
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return kh_end(certmap);
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}
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static int
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cachetgcrt_exist_cb(cache_iter_t it)
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{
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return kh_exist(certmap, it);
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}
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static void
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cachetgcrt_del_cb(cache_iter_t it)
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{
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kh_del(cstrmap_t, certmap, it);
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}
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static cache_iter_t
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cachetgcrt_get_cb(cache_key_t key)
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{
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return kh_get(cstrmap_t, certmap, key);
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}
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static cache_iter_t
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cachetgcrt_put_cb(cache_key_t key, int *ret)
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{
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return kh_put(cstrmap_t, certmap, key, ret);
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}
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static void
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cachetgcrt_free_key_cb(cache_key_t key)
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{
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free(key);
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}
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static void
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cachetgcrt_free_val_cb(cache_val_t val)
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{
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cert_free(val);
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}
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static cache_key_t
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cachetgcrt_get_key_cb(cache_iter_t it)
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{
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return kh_key(certmap, it);
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}
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static cache_val_t
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cachetgcrt_get_val_cb(cache_iter_t it)
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{
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return kh_val(certmap, it);
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}
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static void
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cachetgcrt_set_val_cb(cache_iter_t it, cache_val_t val)
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{
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kh_val(certmap, it) = val;
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}
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static cache_val_t
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cachetgcrt_unpackverify_val_cb(cache_val_t val, int copy)
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{
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if (copy) {
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cert_refcount_inc(val);
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return val;
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}
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return ((void*)-1);
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}
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static void
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cachetgcrt_fini_cb(void)
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{
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kh_destroy(cstrmap_t, certmap);
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}
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void
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cachetgcrt_init_cb(cache_t *cache)
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{
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certmap = kh_init(cstrmap_t);
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cache->begin_cb = cachetgcrt_begin_cb;
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cache->end_cb = cachetgcrt_end_cb;
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cache->exist_cb = cachetgcrt_exist_cb;
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cache->del_cb = cachetgcrt_del_cb;
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cache->get_cb = cachetgcrt_get_cb;
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cache->put_cb = cachetgcrt_put_cb;
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cache->free_key_cb = cachetgcrt_free_key_cb;
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cache->free_val_cb = cachetgcrt_free_val_cb;
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cache->get_key_cb = cachetgcrt_get_key_cb;
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cache->get_val_cb = cachetgcrt_get_val_cb;
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cache->set_val_cb = cachetgcrt_set_val_cb;
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cache->unpackverify_val_cb = cachetgcrt_unpackverify_val_cb;
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cache->fini_cb = cachetgcrt_fini_cb;
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}
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cache_key_t
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cachetgcrt_mkkey(const char *keycn)
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{
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return strdup(keycn);
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}
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cache_val_t
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cachetgcrt_mkval(cert_t *valcrt)
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{
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cert_refcount_inc(valcrt);
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return valcrt;
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}
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/* vim: set noet ft=c: */
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