add feature-key-keeper
This commit is contained in:
崔一鸣
@@ -1,67 +1,472 @@
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#include <key_keeper.h>
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#include "key_keeper.h"
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#include <string.h>
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#include <ssl_utils.h>
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struct key_keeper
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{
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "MESA/MESA_prof_load.h"
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#include "tfe_rpc.h"
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#include "event2/http.h"
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#define HTABLE_MAX_KEY_LEN 256
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#define KEYRING_EXSITED 0
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#define KEYRING_NOT_EXSITED -1
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enum KEY_KEEPER_MODE{
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NORMAL = 0,
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DEBUG,
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};
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struct key_keeper_private
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struct keyring_private
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{
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struct keyring head;
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pthread_mutex_t mutex;
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size_t references;
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};
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#if 0
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struct key_keeper_promise_ctx
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{
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void* logger;
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MESA_htable_handle htable;
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const uchar* key;
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unsigned int key_len;
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};
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static const uchar* get_key_by_cert(X509* cert, int keyring_id, unsigned int* len);
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static long htable_search_cb(void * data, const uchar * key, uint size, void * user_arg);
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static int __wrapper_MESA_htable_set_opt(MESA_htable_handle table, enum MESA_htable_opt opt_type, unsigned int value);
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static MESA_htable_handle create_hash_table(unsigned int slot_size, unsigned int expire_seconds);
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static struct keyring* generate_x509_cert(X509* origin_cert, int keyring_id, const char* filename);
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static void tfe_rpc_on_succ(void* result, void* user);
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static void tfe_rpc_on_fail(enum e_future_error err, const char * what, void * user);
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static void ctx_destory_cb(struct promise* p);
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static X509* get_cert_from_response(const char* data, int len, void* logger);
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static EVP_PKEY* get_key_from_response(const char* data, int len, void* logger);
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static STACK_OF(X509)* get_chain_from_response(const char* data, int len, void* logger);
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/*
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* Certificate, including private key and keyring chain.
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*/
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cert_t *
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cert_new(void)
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struct keyring*
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key_keeper_keyring_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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struct keyring_private *keyring;
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if (!(keyring = (struct keyring_private *)ALLOC(struct keyring_private, 1)))
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{
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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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if (pthread_mutex_init(&keyring->mutex, NULL)) {
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free(keyring);
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return NULL;
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}
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keyring->references = 1;
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return &(keyring->head);
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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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struct keyring*
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key_keeper_keyring_new3(EVP_PKEY *key, X509 *cert, 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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struct keyring_private* keyring;
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if (!(keyring = (struct keyring_private *)ALLOC(struct keyring_private, 1)))
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{
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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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if (pthread_mutex_init(&keyring->mutex, NULL)) {
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free(keyring);
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return NULL;
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}
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keyring->references = 1;
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(keyring->head).key = key;
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(keyring->head).cert = cert;
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(keyring->head).chain = chain;
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if(key)
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{
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ssl_key_refcount_inc(key);
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}
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if(cert)
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{
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ssl_x509_refcount_inc(cert);
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}
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if(chain){
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int i = 0;
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for (i = 0; i < sk_X509_num(chain); i++)
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{
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ssl_x509_refcount_inc(sk_X509_value(chain, i));
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}
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}
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return &(keyring->head);
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}
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// Increment reference count.
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void
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key_keeper_keyring_refcount_inc(struct keyring* ring)
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{
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struct keyring_private* keyring = (struct keyring_private*)ring;
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pthread_mutex_lock(&keyring->mutex);
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keyring->references++;
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pthread_mutex_unlock(&keyring->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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key_keeper_keyring_set_key(struct keyring* ring, EVP_PKEY *key)
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{
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struct keyring_private* keyring = (struct keyring_private*)ring;
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pthread_mutex_lock(&keyring->mutex);
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if ((keyring->head).key)
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{
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EVP_PKEY_free((keyring->head).key);
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}
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(keyring->head).key = key;
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if (key)
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{
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ssl_key_refcount_inc((keyring->head).key);
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}
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pthread_mutex_unlock(&keyring->mutex);
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}
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void
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key_keeper_keyring_set_cert(struct keyring* ring, X509 *cert)
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{
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struct keyring_private* keyring = (struct keyring_private*)ring;
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pthread_mutex_lock(&keyring->mutex);
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if ((keyring->head).cert)
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{
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X509_free((keyring->head).cert);
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}
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(keyring->head).cert = cert;
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if (cert)
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{
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ssl_x509_refcount_inc((keyring->head).cert);
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}
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pthread_mutex_unlock(&keyring->mutex);
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}
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void
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key_keeper_keyring_set_chain(struct keyring* ring, STACK_OF(X509) *chain)
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{
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struct keyring_private* keyring = (struct keyring_private*)ring;
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pthread_mutex_lock(&keyring->mutex);
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if ((keyring->head).chain)
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{
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sk_X509_pop_free((keyring->head).chain, X509_free);
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}
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if (chain)
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{
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(keyring->head).chain = sk_X509_dup(chain);
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int i = 0;
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for (i = 0; i < sk_X509_num((keyring->head).chain); i++)
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{
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ssl_x509_refcount_inc(sk_X509_value((keyring->head).chain, i));
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}
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} else
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{
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(keyring->head).chain = NULL;
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}
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pthread_mutex_unlock(&keyring->mutex);
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}
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/*
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* Free keyring including internal objects.
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*/
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void
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key_keeper_free_keyring(struct keyring *ring)
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{
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struct keyring_private* keyring = (struct keyring_private*)ring;
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pthread_mutex_lock(&keyring->mutex);
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keyring->references--;
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if (keyring->references)
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{
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pthread_mutex_unlock(&keyring->mutex);
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return;
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}
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pthread_mutex_unlock(&keyring->mutex);
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pthread_mutex_destroy(&keyring->mutex);
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if ((keyring->head).key)
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{
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EVP_PKEY_free((keyring->head).key);
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}
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if ((keyring->head).cert)
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{
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X509_free((keyring->head).cert);
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}
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if ((keyring->head).chain)
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{
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sk_X509_pop_free((keyring->head).chain, X509_free);
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}
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free(keyring);
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}
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static void key_keeper_free_serialized()
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{
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return;
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}
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static void key_keeper_verify_cb()
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{
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return;
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}
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struct key_keeper *
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key_keeper_init(const char * profile, const char* section, void* logger)
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{
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//load conf
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//TODO free
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struct key_keeper* keeper = ALLOC(struct key_keeper, 1);
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keeper->logger = logger;
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MESA_load_profile_uint_def(profile, section, "mode", &(keeper->mode), 1);
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MESA_load_profile_string_def(profile, section, "cert_store_host", keeper->cert_store_host, sizeof(keeper->cert_store_host), "xxxxx");
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MESA_load_profile_uint_def(profile, section, "cert_store_port", &(keeper->cert_store_port), 80);
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//TODO: argument
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keeper->htable = create_hash_table(16,16);
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return keeper;
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}
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//return void ??
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struct key_keeper *
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key_keeper_destroy(struct key_keeper *keeper)
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{
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free(keeper);
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keeper = NULL;
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return keeper;
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}
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struct keyring*
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key_keeper_release_cert(future_result_t* result)
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{
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return (struct keyring*)result;
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}
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static struct keyring*
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generate_x509_cert(X509* origin_cert, int keyring_id, const char* filename)
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{
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X509* ca = ssl_x509_load(filename);
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EVP_PKEY* cakey = ssl_key_load(filename);
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EVP_PKEY* forge_key = ssl_key_genrsa(1024);
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X509* forge_cert = ssl_x509_forge(ca, cakey, origin_cert, forge_key, NULL, NULL);
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STACK_OF(X509)* chain = sk_X509_new_null();
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sk_X509_push(chain, ca);
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sk_X509_push(chain, forge_cert);
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struct keyring* ring= key_keeper_keyring_new();
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key_keeper_keyring_set_key(ring, forge_key);
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key_keeper_keyring_set_cert(ring, forge_cert);
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key_keeper_keyring_set_chain(ring, chain);
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return ring;
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}
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static void
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tfe_rpc_on_succ(void* result, void* user)
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{
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struct promise * p = (struct promise *) user;
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struct key_keeper_promise_ctx* ctx = (struct key_keeper_promise_ctx*)promise_get_ctx(p);
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void* logger = ctx->logger;
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MESA_htable_handle htable= ctx->htable;
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const uchar* key = ctx->key;
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unsigned int key_len = ctx->key_len;
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//transform to x509
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struct tfe_rpc_response_result* response = tfe_rpc_release(result);
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int status_code = response->status_code;
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const char* status_msg = response->status_msg;
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const char* data = response->data;
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int len = response->len;
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if(status_code == HTTP_OK)
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{
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struct keyring* ring= key_keeper_keyring_new();
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X509* forge_cert = get_cert_from_response(data, len, NULL);
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EVP_PKEY* forge_key = get_key_from_response(data, len, NULL);
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STACK_OF(X509)* chain = get_chain_from_response(data, len, NULL);
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key_keeper_keyring_set_key(ring, forge_key);
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key_keeper_keyring_set_cert(ring, forge_cert);
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key_keeper_keyring_set_chain(ring, chain);
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promise_success(p, (void*)ring);
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int ret = MESA_htable_add(htable, key, key_len, (void*)ring);
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assert(ret >= 0);
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}
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else
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{
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promise_failed(p, FUTURE_ERROR_EXCEPTION, status_msg);
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}
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}
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static void
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tfe_rpc_on_fail(enum e_future_error err, const char * what, void * user)
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{
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struct promise * p = (struct promise *) user;
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promise_failed(p, err, what);
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}
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static void ctx_destory_cb(struct promise* p)
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{
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}
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//TODO: cert_not_valid
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void key_keeper_async_ask(struct future * f, struct key_keeper * keeper, int keyring_id, X509 * origin_cert, int is_cert_valid, struct event_base * evbase)
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{
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//get subject name from cert
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//current promise, belong to key_keeper
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struct promise* p = future_to_promise(f);
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struct key_keeper_promise_ctx* ctx = ALLOC(struct key_keeper_promise_ctx, 1);
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unsigned int len = 0;
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const uchar* key = get_key_by_cert(origin_cert, keyring_id, &len);
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ctx->logger = keeper->logger;
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ctx->htable = keeper->htable;
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ctx->key = key;
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ctx->key_len = len;
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promise_set_ctx(p, (void*)ctx, ctx_destory_cb);
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long int cb_rtn = 0;
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MESA_htable_search_cb(ctx->htable, (const unsigned char*)(ctx->key), ctx->key_len, htable_search_cb, p, &cb_rtn);
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printf(cb_rtn == KEYRING_EXSITED ? "KEYRING_EXSITED\n": "KEYRING_NOT_EXSITED\n");
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if(cb_rtn == KEYRING_EXSITED)
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{
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return;
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}
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int mode = keeper->mode;
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printf("mode is %s", mode == NORMAL ? "normal\n":"debug\n");
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switch(mode){
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case NORMAL:
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{
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struct future* f_tfe_rpc = future_create("tfe_rpc", tfe_rpc_on_succ, tfe_rpc_on_fail, p);
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//TODO: init in main()? store in ctx
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struct tfe_rpc* rpc = tfe_rpc_init(NULL, NULL, keeper->logger);
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char url[TFE_STRING_MAX];
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const char host[] = "www.baidu.com";
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snprintf(url, TFE_STRING_MAX, "%s:%d?host=%s&flag=1&valid=1&kering_id=%d", keeper->cert_store_host, keeper->cert_store_port, host, keyring_id);
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tfe_rpc_async_ask(f_tfe_rpc, rpc, url, GET, DONE_CB, NULL, 0, evbase);
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break;
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}
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case DEBUG:
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{
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//TOOD: generate X509 cert
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const char* filename = "./conf/mesalab-ca.pem";
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struct keyring* ring = generate_x509_cert(origin_cert, keyring_id, filename);
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if(ring)
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{
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int ret = MESA_htable_add(ctx->htable, ctx->key, ctx->key_len, (void*)ring);
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assert(ret >= 0);
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printf("key %s is added to hash table\n", ctx->key);
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promise_success(p, (void*)ring);
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}
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else
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{
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promise_failed(p, FUTURE_ERROR_EXCEPTION, "generate X509 cert failed");
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}
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break;
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}
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}
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return;
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}
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static long
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htable_search_cb(void * data, const uchar * key, uint size, void * user_arg)
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{
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//data is (struct keyring*)
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if(data == NULL)
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{
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return KEYRING_NOT_EXSITED;
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}
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else
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{
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struct promise* p = (struct promise*)user_arg;
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promise_success(p, data);
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return KEYRING_EXSITED;
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}
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}
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static const uchar*
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get_key_by_cert(X509* cert, int keyring_id, unsigned int* len)
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{
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char* cert_fgr = NULL;
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cert_fgr = ssl_x509_fingerprint(cert, 0);
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char* key = (char*)malloc(HTABLE_MAX_KEY_LEN);
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*key = '\0';
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if(cert == NULL)
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{
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return NULL;
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}
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snprintf(key, HTABLE_MAX_KEY_LEN, "%d:", keyring_id);
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strncat(key, cert_fgr, HTABLE_MAX_KEY_LEN);
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*len = strnlen(key, HTABLE_MAX_KEY_LEN);
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return (const uchar*)key;
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}
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static int __wrapper_MESA_htable_set_opt(MESA_htable_handle table, enum MESA_htable_opt opt_type, unsigned int value)
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{
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int ret = MESA_htable_set_opt(table, opt_type, &value, (int)(sizeof(value)));
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assert(ret == 0);
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return ret;
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}
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static MESA_htable_handle
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create_hash_table(unsigned int slot_size, unsigned int expire_seconds)
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{
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int ret = 0;
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unsigned max_num = slot_size * 4;
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MESA_htable_handle htable = MESA_htable_born();
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ret = __wrapper_MESA_htable_set_opt(htable, MHO_SCREEN_PRINT_CTRL, 0);
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ret = __wrapper_MESA_htable_set_opt(htable, MHO_THREAD_SAFE, 1);
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ret = __wrapper_MESA_htable_set_opt(htable, MHO_MUTEX_NUM, 16);
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ret = __wrapper_MESA_htable_set_opt(htable, MHO_HASH_SLOT_SIZE, slot_size);
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ret = __wrapper_MESA_htable_set_opt(htable, MHO_HASH_MAX_ELEMENT_NUM, max_num);
|
||||
ret = __wrapper_MESA_htable_set_opt(htable, MHO_EXPIRE_TIME, expire_seconds);
|
||||
ret = __wrapper_MESA_htable_set_opt(htable, MHO_ELIMIMINATE_TYPE,
|
||||
HASH_ELIMINATE_ALGO_FIFO);
|
||||
//TODO: how to do overide?
|
||||
//ret = __wrapper_MESA_htable_set_opt(htable, MHO_CBFUN_DATA_FREE,
|
||||
// (void *)key_keeper_free_serialized);
|
||||
//ret = __wrapper_MESA_htable_set_opt(htable, MHO_CBFUN_DATA_EXPIRE_NOTIFY,
|
||||
// (void *)key_keeper_verify_cb);
|
||||
ret = MESA_htable_mature(htable);
|
||||
assert(ret == 0);
|
||||
return htable;
|
||||
}
|
||||
|
||||
//how to free
|
||||
static X509*
|
||||
get_cert_from_response(const char* data, int len, void* logger)
|
||||
{
|
||||
BIO *bio;
|
||||
X509 *cert;
|
||||
bio = BIO_new(BIO_s_mem());
|
||||
BIO_write(bio, (const void*)data, len);
|
||||
cert = PEM_read_bio_X509(bio, NULL, NULL, NULL);
|
||||
return cert;
|
||||
}
|
||||
|
||||
static EVP_PKEY*
|
||||
get_key_from_response(const char* data, int len, void* logger)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
|
||||
static STACK_OF(X509)*
|
||||
get_chain_from_response(const char* data, int len, void* logger)
|
||||
{
|
||||
|
||||
}
|
||||
/*
|
||||
* Passed OpenSSL objects are copied by cert_t; crt/key refcount will be
|
||||
* incremented, stack will be duplicated.
|
||||
*/
|
||||
cert_t *
|
||||
cert_new3_copy(EVP_PKEY *key, X509 *crt, STACK_OF(X509) *chain)
|
||||
* /
|
||||
cert_t *cert_new3_copy(EVP_PKEY *key, X509 *crt, STACK_OF(X509) *chain)
|
||||
{
|
||||
cert_t *c;
|
||||
|
||||
@@ -82,12 +487,12 @@ cert_new3_copy(EVP_PKEY *key, X509 *crt, STACK_OF(X509) *chain)
|
||||
c->references = 1;
|
||||
return c;
|
||||
}
|
||||
*/
|
||||
|
||||
/*
|
||||
* Load cert_t from file.
|
||||
*/
|
||||
cert_t *
|
||||
cert_new_load(const char *filename)
|
||||
* /
|
||||
cert_t *cert_new_load(const char *filename)
|
||||
{
|
||||
cert_t *c;
|
||||
|
||||
@@ -115,100 +520,14 @@ cert_new_load(const char *filename)
|
||||
c->references = 1;
|
||||
return c;
|
||||
}
|
||||
*/
|
||||
|
||||
/*
|
||||
* Increment reference count.
|
||||
*/
|
||||
void
|
||||
cert_refcount_inc(cert_t *c)
|
||||
{
|
||||
pthread_mutex_lock(&c->mutex);
|
||||
c->references++;
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
}
|
||||
|
||||
/*
|
||||
* Thread-safe setter functions; they copy the value (refcounts are inc'd).
|
||||
*/
|
||||
void
|
||||
cert_set_key(cert_t *c, EVP_PKEY *key)
|
||||
{
|
||||
pthread_mutex_lock(&c->mutex);
|
||||
if (c->key) {
|
||||
EVP_PKEY_free(c->key);
|
||||
}
|
||||
c->key = key;
|
||||
if (c->key) {
|
||||
ssl_key_refcount_inc(c->key);
|
||||
}
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
}
|
||||
void
|
||||
cert_set_crt(cert_t *c, X509 *crt)
|
||||
{
|
||||
pthread_mutex_lock(&c->mutex);
|
||||
if (c->crt) {
|
||||
X509_free(c->crt);
|
||||
}
|
||||
c->crt = crt;
|
||||
if (c->crt) {
|
||||
ssl_x509_refcount_inc(c->crt);
|
||||
}
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
}
|
||||
void
|
||||
cert_set_chain(cert_t *c, STACK_OF(X509) *chain)
|
||||
{
|
||||
pthread_mutex_lock(&c->mutex);
|
||||
if (c->chain) {
|
||||
sk_X509_pop_free(c->chain, X509_free);
|
||||
}
|
||||
if (chain) {
|
||||
c->chain = sk_X509_dup(chain);
|
||||
for (int i = 0; i < sk_X509_num(c->chain); i++) {
|
||||
ssl_x509_refcount_inc(sk_X509_value(c->chain, i));
|
||||
}
|
||||
} else {
|
||||
c->chain = NULL;
|
||||
}
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
}
|
||||
|
||||
/*
|
||||
* Free keyring including internal objects.
|
||||
*/
|
||||
void
|
||||
cert_free(cert_t *c)
|
||||
{
|
||||
pthread_mutex_lock(&c->mutex);
|
||||
c->references--;
|
||||
if (c->references) {
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
return;
|
||||
}
|
||||
pthread_mutex_unlock(&c->mutex);
|
||||
pthread_mutex_destroy(&c->mutex);
|
||||
if (c->key) {
|
||||
EVP_PKEY_free(c->key);
|
||||
}
|
||||
if (c->crt) {
|
||||
X509_free(c->crt);
|
||||
}
|
||||
if (c->chain) {
|
||||
sk_X509_pop_free(c->chain, X509_free);
|
||||
}
|
||||
free(c);
|
||||
}
|
||||
|
||||
struct key_keeper* key_keeper_init(const char* profile)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void cert_mgr_async_get(struct future* future, struct key_keeper* mgr, int keyring_id, X509* origin_cert, struct event_base* evbase)
|
||||
void key_keeper_async_ask(struct future * f, struct key_keeper * keeper, int keyring_id,
|
||||
X509 * origin_cert, int is_cert_valid, struct event_base * evbase)
|
||||
{
|
||||
X509* orig_cert=SSL_get_peer_certificate(origssl);
|
||||
//todo: need implement
|
||||
//todo: need implement
|
||||
cert_t * keyring = NULL;
|
||||
if (opts->tgcrtdir)
|
||||
{
|
||||
@@ -315,36 +634,5 @@ void cert_mgr_async_get(struct future* future, struct key_keeper* mgr, int keyri
|
||||
|
||||
return keyring;
|
||||
}
|
||||
void cert_manager_free(cert_t * keyring)
|
||||
{
|
||||
cert_free(keyring);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
*/
|
||||
|
||||
|
||||
struct key_keeper * key_keeper_init(const char * profile, const char* section, void* logger)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct key_keeper * key_keeper_destroy(struct key_keeper *keeper)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct keyring* key_keeper_release_cert(future_result_t* result)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void key_keeper_free_keyring(struct keyring* cert)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
void key_keeper_async_ask(struct future * f, struct key_keeper * keeper, int keyring_id,
|
||||
X509 * origin_cert, int is_cert_valid, struct event_base * evbase)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user