整理目录结构，编写CMakeLists.txt文件
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342
platform/src/cert.cpp
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342
platform/src/cert.cpp
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/*-
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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) 2009-2018, 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 "../include/internal/cert.h"
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#include "ssl.h"
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#include <string.h>
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/*
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* Certificate, including private key and certificate chain.
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*/
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cert_t *
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cert_new(void)
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{
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cert_t *c;
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if (!(c = (cert_t *)malloc(sizeof(cert_t))))
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return NULL;
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memset(c, 0, sizeof(cert_t));
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if (pthread_mutex_init(&c->mutex, NULL)) {
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free(c);
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return NULL;
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}
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c->references = 1;
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return c;
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}
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/*
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* Passed OpenSSL objects are owned by cert_t; refcount will not be
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* incremented, stack will not be duplicated.
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*/
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cert_t *
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cert_new3(EVP_PKEY *key, X509 *crt, STACK_OF(X509) *chain)
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{
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cert_t *c;
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if (!(c = (cert_t *)malloc(sizeof(cert_t))))
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return NULL;
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if (pthread_mutex_init(&c->mutex, NULL)) {
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free(c);
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return NULL;
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}
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c->key = key;
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c->crt = crt;
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c->chain = chain;
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c->references = 1;
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return c;
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}
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/*
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* Passed OpenSSL objects are copied by cert_t; crt/key refcount will be
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* incremented, stack will be duplicated.
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*/
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cert_t *
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cert_new3_copy(EVP_PKEY *key, X509 *crt, STACK_OF(X509) *chain)
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{
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cert_t *c;
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if (!(c = (cert_t *)malloc(sizeof(cert_t))))
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return NULL;
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if (pthread_mutex_init(&c->mutex, NULL)) {
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free(c);
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return NULL;
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}
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c->key = key;
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ssl_key_refcount_inc(c->key);
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c->crt = crt;
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ssl_x509_refcount_inc(c->crt);
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c->chain = sk_X509_dup(chain);
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for (int i = 0; i < sk_X509_num(c->chain); i++) {
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ssl_x509_refcount_inc(sk_X509_value(c->chain, i));
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}
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c->references = 1;
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return c;
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}
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/*
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* Load cert_t from file.
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*/
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cert_t *
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cert_new_load(const char *filename)
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{
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cert_t *c;
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if (!(c = (cert_t *)malloc(sizeof(cert_t))))
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return NULL;
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memset(c, 0, sizeof(cert_t));
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if (pthread_mutex_init(&c->mutex, NULL)) {
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free(c);
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return NULL;
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}
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if (ssl_x509chain_load(&c->crt, &c->chain, filename) == -1) {
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free(c);
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return NULL;
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}
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c->key = ssl_key_load(filename);
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if (!c->key) {
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X509_free(c->crt);
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if (c->chain) {
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sk_X509_pop_free(c->chain, X509_free);
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}
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free(c);
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return NULL;
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}
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c->references = 1;
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return c;
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}
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/*
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* Increment reference count.
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*/
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void
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cert_refcount_inc(cert_t *c)
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{
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pthread_mutex_lock(&c->mutex);
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c->references++;
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pthread_mutex_unlock(&c->mutex);
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}
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/*
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* Thread-safe setter functions; they copy the value (refcounts are inc'd).
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*/
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void
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cert_set_key(cert_t *c, EVP_PKEY *key)
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{
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pthread_mutex_lock(&c->mutex);
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if (c->key) {
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EVP_PKEY_free(c->key);
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}
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c->key = key;
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if (c->key) {
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ssl_key_refcount_inc(c->key);
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}
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pthread_mutex_unlock(&c->mutex);
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}
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void
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cert_set_crt(cert_t *c, X509 *crt)
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{
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pthread_mutex_lock(&c->mutex);
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if (c->crt) {
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X509_free(c->crt);
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}
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c->crt = crt;
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if (c->crt) {
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ssl_x509_refcount_inc(c->crt);
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}
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pthread_mutex_unlock(&c->mutex);
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}
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void
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cert_set_chain(cert_t *c, STACK_OF(X509) *chain)
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{
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pthread_mutex_lock(&c->mutex);
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if (c->chain) {
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sk_X509_pop_free(c->chain, X509_free);
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}
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if (chain) {
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c->chain = sk_X509_dup(chain);
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for (int i = 0; i < sk_X509_num(c->chain); i++) {
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ssl_x509_refcount_inc(sk_X509_value(c->chain, i));
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}
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} else {
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c->chain = NULL;
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}
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pthread_mutex_unlock(&c->mutex);
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}
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/*
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* Free cert including internal objects.
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*/
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void
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cert_free(cert_t *c)
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{
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pthread_mutex_lock(&c->mutex);
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c->references--;
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if (c->references) {
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pthread_mutex_unlock(&c->mutex);
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return;
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}
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pthread_mutex_unlock(&c->mutex);
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pthread_mutex_destroy(&c->mutex);
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if (c->key) {
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EVP_PKEY_free(c->key);
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}
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if (c->crt) {
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X509_free(c->crt);
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}
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if (c->chain) {
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sk_X509_pop_free(c->chain, X509_free);
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}
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free(c);
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}
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struct cert_mgr* cert_manager_init(const char* profile)
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{
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}
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void cert_mgr_async_get(struct future* future, struct cert_mgr* mgr, int keyring_id, X509* origin_cert, struct event_base* evbase)
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{
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X509* orig_cert=SSL_get_peer_certificate(origssl);
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//todo: need implement
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cert_t * cert = NULL;
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if (opts->tgcrtdir)
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{
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if (ctx->sni)
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{
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cert = (cert_t *) cachemgr_tgcrt_get(ctx->sni);
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if (!cert)
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{
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char * wildcarded = ssl_wildcardify(ctx->sni);
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if (!wildcarded)
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{
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ctx->enomem = 1;
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return NULL;
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}
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cert = (cert_t *) cachemgr_tgcrt_get(wildcarded);
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free(wildcarded);
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}
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if (cert && OPTS_DEBUG(ctx->opts))
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{
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log_dbg_printf("Target cert by SNI\n");
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}
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}
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else if (ctx->origcrt)
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{
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char ** names = ssl_x509_names(ctx->origcrt);
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for (char ** p = names; *p; p++)
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{
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if (!cert)
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{
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cert = (cert_t *) cachemgr_tgcrt_get(*p);
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}
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if (!cert)
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{
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char * wildcarded = ssl_wildcardify(*p);
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if (!wildcarded)
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{
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ctx->enomem = 1;
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}
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else
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{
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cert = (cert_t *) (wildcarded);
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free(wildcarded);
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}
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}
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free(*p);
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}
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free(names);
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if (ctx->enomem)
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{
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return NULL;
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}
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if (cert && OPTS_DEBUG(ctx->opts))
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{
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log_dbg_printf("Target cert by origcrt\n");
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}
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}
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if (cert)
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{
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ctx->immutable_cert = 1;
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}
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}
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if (!cert && ctx->origcrt && ctx->opts->key)
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{
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cert = cert_new();
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cert->crt = (X509 *) cachemgr_fkcrt_get(ctx->origcrt);
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if (cert->crt)
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{
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if (OPTS_DEBUG(ctx->opts)) log_dbg_printf("Certificate cache: HIT\n");
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}
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else
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{
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if (OPTS_DEBUG(ctx->opts)) log_dbg_printf("Certificate cache: MISS\n");
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cert->crt = ssl_x509_forge(ctx->opts->cacrt,
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ctx->opts->cakey,
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ctx->origcrt,
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ctx->opts->key,
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NULL,
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ctx->opts->crlurl);
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cachemgr_fkcrt_set(ctx->origcrt, cert->crt);
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}
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cert_set_key(cert, ctx->opts->key);
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cert_set_chain(cert, ctx->opts->chain);
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ctx->generated_cert = 1;
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}
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if ((WANT_CONNECT_LOG(ctx) || ctx->opts->certgendir) && ctx->origcrt)
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{
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ctx->origcrtfpr = ssl_x509_fingerprint(ctx->origcrt, 0);
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if (!ctx->origcrtfpr)
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ctx->enomem = 1;
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}
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if ((WANT_CONNECT_LOG(ctx) || ctx->opts->certgen_writeall) &&
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cert && cert->crt)
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{
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ctx->usedcrtfpr = ssl_x509_fingerprint(cert->crt, 0);
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if (!ctx->usedcrtfpr)
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ctx->enomem = 1;
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}
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return cert;
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}
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void cert_manager_free(cert_t * cert)
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{
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cert_free(cert);
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return;
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}
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/* vim: set noet ft=c: */
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