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Convert CRYPTO_LOCK_SSL_* to new multi-threading API

Browse source 
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Alessandro Ghedini 2016-02-29 17:26:07 +00:00 committed by Rich Salz
parent be1251f73d
commit 16203f7b71
9 changed files with 165 additions and 121 deletions
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7
include/openssl/crypto.h
View file

@ -166,15 +166,8 @@ extern "C" {
*/
# define CRYPTO_LOCK_X509_STORE 11
# define CRYPTO_LOCK_SSL_CTX 12
# define CRYPTO_LOCK_SSL_CERT 13
# define CRYPTO_LOCK_SSL_SESSION 14
# define CRYPTO_LOCK_SSL_SESS_CERT 15
# define CRYPTO_LOCK_SSL 16
# define CRYPTO_LOCK_SSL_METHOD 17
# define CRYPTO_LOCK_RAND 18
# define CRYPTO_LOCK_RAND2 19
# define CRYPTO_LOCK_READDIR 24
# define CRYPTO_LOCK_RSA_BLINDING 25
# define CRYPTO_LOCK_DYNLOCK 29
# define CRYPTO_LOCK_ENGINE 30

1
include/openssl/ssl.h
View file

@ -1499,6 +1499,7 @@ int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses);
# endif
int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses);
int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x);
int SSL_SESSION_up_ref(SSL_SESSION *ses);
void SSL_SESSION_free(SSL_SESSION *ses);
__owur int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
__owur int SSL_set_session(SSL *to, SSL_SESSION *session);

61
ssl/ssl_cert.c
View file

@ -129,36 +129,27 @@
# include <openssl/dh.h>
#endif
#include <openssl/bn.h>
#include "internal/threads.h"
#include "ssl_locl.h"
static int ssl_security_default_callback(SSL *s, SSL_CTX *ctx, int op,
int bits, int nid, void *other,
void *ex);
static CRYPTO_ONCE ssl_x509_store_ctx_once = CRYPTO_ONCE_STATIC_INIT;
static volatile int ssl_x509_store_ctx_idx = -1;
static void ssl_x509_store_ctx_init(void)
{
ssl_x509_store_ctx_idx = X509_STORE_CTX_get_ex_new_index(0,
"SSL for verify callback",
NULL, NULL, NULL);
}
int SSL_get_ex_data_X509_STORE_CTX_idx(void)
{
static volatile int ssl_x509_store_ctx_idx = -1;
int got_write_lock = 0;
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
if (ssl_x509_store_ctx_idx < 0) {
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
got_write_lock = 1;
if (ssl_x509_store_ctx_idx < 0) {
ssl_x509_store_ctx_idx =
X509_STORE_CTX_get_ex_new_index(0, "SSL for verify callback",
NULL, NULL, NULL);
}
}
if (got_write_lock)
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
else
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_run_once(&ssl_x509_store_ctx_once, ssl_x509_store_ctx_init);
return ssl_x509_store_ctx_idx;
}
@ -168,7 +159,7 @@ CERT *ssl_cert_new(void)
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
return (NULL);
return NULL;
}
ret->key = &(ret->pkeys[SSL_PKEY_RSA_ENC]);
@ -176,7 +167,14 @@ CERT *ssl_cert_new(void)
ret->sec_cb = ssl_security_default_callback;
ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL;
ret->sec_ex = NULL;
return (ret);
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
return ret;
}
CERT *ssl_cert_dup(CERT *cert)
@ -186,11 +184,17 @@ CERT *ssl_cert_dup(CERT *cert)
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
return (NULL);
return NULL;
}
ret->references = 1;
ret->key = &ret->pkeys[cert->key - cert->pkeys];
ret->lock = CRYPTO_THREAD_lock_new();
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
#ifndef OPENSSL_NO_DH
if (cert->dh_tmp != NULL) {
@ -297,7 +301,7 @@ CERT *ssl_cert_dup(CERT *cert)
goto err;
}
#endif
return (ret);
return ret;
err:
ssl_cert_free(ret);
@ -333,7 +337,7 @@ void ssl_cert_free(CERT *c)
if (c == NULL)
return;
i = CRYPTO_add(&c->references, -1, CRYPTO_LOCK_SSL_CERT);
CRYPTO_atomic_add(&c->references, -1, &i, c->lock);
REF_PRINT_COUNT("CERT", c);
if (i > 0)
return;
@ -355,6 +359,7 @@ void ssl_cert_free(CERT *c)
#ifndef OPENSSL_NO_PSK
OPENSSL_free(c->psk_identity_hint);
#endif
CRYPTO_THREAD_lock_free(c->lock);
OPENSSL_free(c);
}
@ -784,8 +789,6 @@ int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *filename;
int ret = 0;
CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
/* Note that a side effect is that the CAs will be sorted by name */
while ((filename = OPENSSL_DIR_read(&d, dir))) {
@ -820,7 +823,7 @@ int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
err:
if (d)
OPENSSL_DIR_end(&d);
CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
return ret;
}

29
ssl/ssl_ciph.c
View file

@ -147,6 +147,7 @@
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#include "internal/threads.h"
#include "ssl_locl.h"
#define SSL_ENC_DES_IDX 0
@ -213,6 +214,8 @@ static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX] = {
static STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
static CRYPTO_ONCE ssl_load_builtin_comp_once = CRYPTO_ONCE_STATIC_INIT;
/*
* Constant SSL_MAX_DIGEST equal to size of digests array should be defined
* in the ssl_locl.h
@ -575,24 +578,15 @@ static int sk_comp_cmp(const SSL_COMP *const *a, const SSL_COMP *const *b)
return ((*a)->id - (*b)->id);
}
static void load_builtin_compressions(void)
static void do_load_builtin_compressions(void)
{
int got_write_lock = 0;
CRYPTO_r_lock(CRYPTO_LOCK_SSL);
if (ssl_comp_methods == NULL) {
CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
CRYPTO_w_lock(CRYPTO_LOCK_SSL);
got_write_lock = 1;
if (ssl_comp_methods == NULL) {
SSL_COMP *comp = NULL;
COMP_METHOD *method = COMP_zlib();
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE);
ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);
if (COMP_get_type(method) != NID_undef
&& ssl_comp_methods != NULL) {
if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) {
comp = OPENSSL_malloc(sizeof(*comp));
if (comp != NULL) {
comp->method = method;
@ -603,13 +597,12 @@ static void load_builtin_compressions(void)
}
}
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE);
}
}
}
if (got_write_lock)
CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
else
CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
static void load_builtin_compressions(void)
{
CRYPTO_THREAD_run_once(&ssl_load_builtin_comp_once,
do_load_builtin_compressions);
}
#endif

62
ssl/ssl_lib.c
View file

@ -631,6 +631,13 @@ SSL *SSL_new(SSL_CTX *ctx)
if (s == NULL)
goto err;
s->lock = CRYPTO_THREAD_lock_new();
if (s->lock == NULL) {
SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(s);
return NULL;
}
RECORD_LAYER_init(&s->rlayer, s);
s->options = ctx->options;
@ -677,7 +684,7 @@ SSL *SSL_new(SSL_CTX *ctx)
if (ctx->default_read_buf_len > 0)
SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len);
CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
SSL_CTX_up_ref(ctx);
s->ctx = ctx;
s->tlsext_debug_cb = 0;
s->tlsext_debug_arg = NULL;
@ -688,7 +695,7 @@ SSL *SSL_new(SSL_CTX *ctx)
s->tlsext_ocsp_exts = NULL;
s->tlsext_ocsp_resp = NULL;
s->tlsext_ocsp_resplen = -1;
CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
SSL_CTX_up_ref(ctx);
s->initial_ctx = ctx;
# ifndef OPENSSL_NO_EC
if (ctx->tlsext_ecpointformatlist) {
@ -755,16 +762,17 @@ SSL *SSL_new(SSL_CTX *ctx)
goto err;
#endif
return (s);
return s;
err:
SSL_free(s);
SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
return (NULL);
return NULL;
}
void SSL_up_ref(SSL *s)
{
CRYPTO_add(&s->references, 1, CRYPTO_LOCK_SSL);
int i;
CRYPTO_atomic_add(&s->references, 1, &i, s->lock);
}
int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
@ -797,17 +805,17 @@ int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
{
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_write_lock(ctx->lock);
ctx->generate_session_id = cb;
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(ctx->lock);
return 1;
}
int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
{
CRYPTO_w_lock(CRYPTO_LOCK_SSL);
CRYPTO_THREAD_write_lock(ssl->lock);
ssl->generate_session_id = cb;
CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
CRYPTO_THREAD_unlock(ssl->lock);
return 1;
}
@ -830,9 +838,9 @@ int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
r.session_id_length = id_len;
memcpy(r.session_id, id, id_len);
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_read_lock(ssl->ctx->lock);
p = lh_SSL_SESSION_retrieve(ssl->ctx->sessions, &r);
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(ssl->ctx->lock);
return (p != NULL);
}
@ -1009,7 +1017,7 @@ void SSL_free(SSL *s)
if (s == NULL)
return;
i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);
CRYPTO_atomic_add(&s->references, -1, &i, s->lock);
REF_PRINT_COUNT("SSL", s);
if (i > 0)
return;
@ -1084,6 +1092,8 @@ void SSL_free(SSL *s)
sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
#endif
CRYPTO_THREAD_lock_free(s->lock);
OPENSSL_free(s);
}
@ -1366,6 +1376,7 @@ STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
*/
int SSL_copy_session_id(SSL *t, const SSL *f)
{
int i;
/* Do we need to to SSL locking? */
if (!SSL_set_session(t, SSL_get_session(f))) {
return 0;
@ -1381,7 +1392,7 @@ int SSL_copy_session_id(SSL *t, const SSL *f)
return 0;
}
CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
CRYPTO_atomic_add(&f->cert->references, 1, &i, f->cert->lock);
ssl_cert_free(t->cert);
t->cert = f->cert;
if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length)) {
@ -2369,6 +2380,12 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
/* We take the system default. */
ret->session_timeout = meth->get_timeout();
ret->references = 1;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
ret->verify_mode = SSL_VERIFY_NONE;
if ((ret->cert = ssl_cert_new()) == NULL)
@ -2459,17 +2476,18 @@ SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
*/
ret->options |= SSL_OP_NO_COMPRESSION;
return (ret);
return ret;
err:
SSLerr(SSL_F_SSL_CTX_NEW, ERR_R_MALLOC_FAILURE);
err2:
SSL_CTX_free(ret);
return (NULL);
return NULL;
}
void SSL_CTX_up_ref(SSL_CTX *ctx)
{
CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
int i;
CRYPTO_atomic_add(&ctx->references, 1, &i, ctx->lock);
}
void SSL_CTX_free(SSL_CTX *a)
@ -2479,7 +2497,7 @@ void SSL_CTX_free(SSL_CTX *a)
if (a == NULL)
return;
i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_SSL_CTX);
CRYPTO_atomic_add(&a->references, -1, &i, a->lock);
REF_PRINT_COUNT("SSL_CTX", a);
if (i > 0)
return;
@ -2528,6 +2546,8 @@ void SSL_CTX_free(SSL_CTX *a)
#endif
OPENSSL_free(a->alpn_client_proto_list);
CRYPTO_THREAD_lock_free(a->lock);
OPENSSL_free(a);
}
@ -2833,7 +2853,7 @@ void ssl_update_cache(SSL *s, int mode)
&& ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
|| SSL_CTX_add_session(s->session_ctx, s->session))
&& (s->session_ctx->new_session_cb != NULL)) {
CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION);
SSL_SESSION_up_ref(s->session);
if (!s->session_ctx->new_session_cb(s, s->session))
SSL_SESSION_free(s->session);
}
@ -3069,7 +3089,7 @@ SSL *SSL_dup(SSL *s)
/* If we're not quiescent, just up_ref! */
if (!SSL_in_init(s) || !SSL_in_before(s)) {
CRYPTO_add(&s->references, 1, CRYPTO_LOCK_SSL);
CRYPTO_atomic_add(&s->references, 1, &i, s->lock);
return s;
}
@ -3382,11 +3402,11 @@ SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)
memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));
}
CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
SSL_CTX_up_ref(ctx);
SSL_CTX_free(ssl->ctx); /* decrement reference count */
ssl->ctx = ctx;
return (ssl->ctx);
return ssl->ctx;
}
int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)

5
ssl/ssl_locl.h
View file

@ -649,6 +649,7 @@ struct ssl_session_st {
char *srp_username;
# endif
uint32_t flags;
CRYPTO_RWLOCK *lock;
};
/* Extended master secret support */
@ -953,6 +954,7 @@ struct ssl_ctx_st {
size_t tlsext_ellipticcurvelist_length;
unsigned char *tlsext_ellipticcurvelist;
# endif /* OPENSSL_NO_EC */
CRYPTO_RWLOCK *lock;
};
@ -1234,6 +1236,8 @@ struct ssl_st {
/* Async Job info */
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
CRYPTO_RWLOCK *lock;
};
@ -1642,6 +1646,7 @@ typedef struct cert_st {
char *psk_identity_hint;
#endif
int references; /* >1 only if SSL_copy_session_id is used */
CRYPTO_RWLOCK *lock;
} CERT;
/* Structure containing decoded values of signature algorithms extension */

73
ssl/ssl_sess.c
View file

@ -161,12 +161,12 @@ SSL_SESSION *SSL_get1_session(SSL *ssl)
* somebody doesn't free ssl->session between when we check it's non-null
* and when we up the reference count.
*/
CRYPTO_w_lock(CRYPTO_LOCK_SSL_SESSION);
CRYPTO_THREAD_read_lock(ssl->lock);
sess = ssl->session;
if (sess)
sess->references++;
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_SESSION);
return (sess);
SSL_SESSION_up_ref(sess);
CRYPTO_THREAD_unlock(ssl->lock);
return sess;
}
int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg)
@ -186,15 +186,23 @@ SSL_SESSION *SSL_SESSION_new(void)
ss = OPENSSL_zalloc(sizeof(*ss));
if (ss == NULL) {
SSLerr(SSL_F_SSL_SESSION_NEW, ERR_R_MALLOC_FAILURE);
return (NULL);
return NULL;
}
ss->verify_result = 1; /* avoid 0 (= X509_V_OK) just in case */
ss->references = 1;
ss->timeout = 60 * 5 + 4; /* 5 minute timeout by default */
ss->time = (unsigned long)time(NULL);
ss->lock = CRYPTO_THREAD_lock_new();
if (ss->lock == NULL) {
SSLerr(SSL_F_SSL_SESSION_NEW, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ss);
return NULL;
}
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
return (ss);
return ss;
}
/*
@ -237,6 +245,10 @@ SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket)
dest->references = 1;
dest->lock = CRYPTO_THREAD_lock_new();
if (dest->lock == NULL)
goto err;
if (src->peer != NULL)
X509_up_ref(src->peer);
@ -437,12 +449,14 @@ int ssl_get_new_session(SSL *s, int session)
}
/* Choose which callback will set the session ID */
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_read_lock(s->lock);
CRYPTO_THREAD_read_lock(s->session_ctx->lock);
if (s->generate_session_id)
cb = s->generate_session_id;
else if (s->session_ctx->generate_session_id)
cb = s->session_ctx->generate_session_id;
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(s->session_ctx->lock);
CRYPTO_THREAD_unlock(s->lock);
/* Choose a session ID */
tmp = ss->session_id_length;
if (!cb(s, ss->session_id, &tmp)) {
@ -562,13 +576,13 @@ int ssl_get_prev_session(SSL *s, const PACKET *ext, const PACKET *session_id)
goto err;
}
data.session_id_length = local_len;
CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_read_lock(s->session_ctx->lock);
ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);
if (ret != NULL) {
/* don't allow other threads to steal it: */
CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_SSL_SESSION);
SSL_SESSION_up_ref(ret);
}
CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(s->session_ctx->lock);
if (ret == NULL)
s->session_ctx->stats.sess_miss++;
}
@ -591,7 +605,7 @@ int ssl_get_prev_session(SSL *s, const PACKET *ext, const PACKET *session_id)
* thread-safe).
*/
if (copy)
CRYPTO_add(&ret->references, 1, CRYPTO_LOCK_SSL_SESSION);
SSL_SESSION_up_ref(ret);
/*
* Add the externally cached session to the internal cache as
@ -714,12 +728,12 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
* it has two ways of access: each session is in a doubly linked list and
* an lhash
*/
CRYPTO_add(&c->references, 1, CRYPTO_LOCK_SSL_SESSION);
SSL_SESSION_up_ref(c);
/*
* if session c is in already in cache, we take back the increment later
*/
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_write_lock(ctx->lock);
s = lh_SSL_SESSION_insert(ctx->sessions, c);
/*
@ -769,8 +783,8 @@ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
}
}
}
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
return (ret);
CRYPTO_THREAD_unlock(ctx->lock);
return ret;
}
int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
@ -785,7 +799,7 @@ static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
if ((c != NULL) && (c->session_id_length != 0)) {
if (lck)
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_write_lock(ctx->lock);
if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {
ret = 1;
r = lh_SSL_SESSION_delete(ctx->sessions, c);
@ -793,7 +807,7 @@ static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
}
if (lck)
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(ctx->lock);
if (ret) {
r->not_resumable = 1;
@ -813,7 +827,7 @@ void SSL_SESSION_free(SSL_SESSION *ss)
if (ss == NULL)
return;
i = CRYPTO_add(&ss->references, -1, CRYPTO_LOCK_SSL_SESSION);
CRYPTO_atomic_add(&ss->references, -1, &i, ss->lock);
REF_PRINT_COUNT("SSL_SESSION", ss);
if (i > 0)
return;
@ -841,9 +855,22 @@ void SSL_SESSION_free(SSL_SESSION *ss)
#ifndef OPENSSL_NO_SRP
OPENSSL_free(ss->srp_username);
#endif
CRYPTO_THREAD_lock_free(ss->lock);
OPENSSL_clear_free(ss, sizeof(*ss));
}
int SSL_SESSION_up_ref(SSL_SESSION *ss)
{
int i;
if (CRYPTO_atomic_add(&ss->references, 1, &i, ss->lock) <= 0)
return 0;
REF_PRINT_COUNT("SSL_SESSION", ss);
REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
int SSL_set_session(SSL *s, SSL_SESSION *session)
{
int ret = 0;
@ -863,12 +890,10 @@ int SSL_set_session(SSL *s, SSL_SESSION *session)
return (0);
}
/* CRYPTO_w_lock(CRYPTO_LOCK_SSL); */
CRYPTO_add(&session->references, 1, CRYPTO_LOCK_SSL_SESSION);
SSL_SESSION_up_ref(session);
SSL_SESSION_free(s->session);
s->session = session;
s->verify_result = s->session->verify_result;
/* CRYPTO_w_unlock(CRYPTO_LOCK_SSL); */
ret = 1;
} else {
SSL_SESSION_free(s->session);
@ -1056,12 +1081,12 @@ void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
if (tp.cache == NULL)
return;
tp.time = t;
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_write_lock(s->lock);
i = CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load;
CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = 0;
lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);
CHECKED_LHASH_OF(SSL_SESSION, tp.cache)->down_load = i;
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
CRYPTO_THREAD_unlock(s->lock);
}
int ssl_clear_bad_session(SSL *s)

23
test/ssltest.c
View file

@ -191,6 +191,7 @@
# include <openssl/ct.h>
#endif
#include "internal/threads.h"
#include "../ssl/ssl_locl.h"
/*
@ -2949,19 +2950,21 @@ int doit(SSL *s_ssl, SSL *c_ssl, long count)
return (ret);
}
static int get_proxy_auth_ex_data_idx(void)
static CRYPTO_ONCE proxy_auth_ex_data_once = CRYPTO_ONCE_STATIC_INIT;
static volatile int proxy_auth_ex_data_idx = -1;
static void do_get_proxy_auth_ex_data_idx(void)
{
static volatile int idx = -1;
if (idx < 0) {
CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
if (idx < 0) {
idx = X509_STORE_CTX_get_ex_new_index(0,
proxy_auth_ex_data_idx = X509_STORE_CTX_get_ex_new_index(0,
"SSLtest for verify callback",
NULL, NULL, NULL);
}
CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
}
return idx;
}
static int get_proxy_auth_ex_data_idx(void)
{
CRYPTO_THREAD_run_once(&proxy_auth_ex_data_once,
do_get_proxy_auth_ex_data_idx);
return proxy_auth_ex_data_idx;
}
static int verify_callback(int ok, X509_STORE_CTX *ctx)

1
util/libssl.num
View file

@ -387,3 +387,4 @@ SSL_has_pending 386 1_1_0 EXIST::FUNCTION:
SSL_CIPHER_get_auth_nid 387 1_1_0 EXIST::FUNCTION:
SSL_CIPHER_get_kx_nid 388 1_1_0 EXIST::FUNCTION:
SSL_CIPHER_is_aead 389 1_1_0 EXIST::FUNCTION:
SSL_SESSION_up_ref 390 1_1_0 EXIST::FUNCTION: