* Hudson (tjh@cryptsoft.com).
*
*/
-
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
#ifdef REF_CHECK
# include <assert.h>
#endif
#include <stdio.h>
+#include "ssl_locl.h"
+#include "kssl_lcl.h"
#include <openssl/objects.h>
#include <openssl/lhash.h>
#include <openssl/x509v3.h>
-#include "ssl_locl.h"
-#include "kssl_lcl.h"
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
const char *SSL_version_str=OPENSSL_VERSION_TEXT;
-OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
+SSL3_ENC_METHOD ssl3_undef_enc_method={
/* evil casts, but these functions are only called if there's a library bug */
(int (*)(SSL *,int))ssl_undefined_function,
(int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
ssl_undefined_function,
(int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
(int (*)(SSL*, int))ssl_undefined_function,
- (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
+ (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function,
+ 0, /* finish_mac_length */
+ (int (*)(SSL *, EVP_MD_CTX *, unsigned char *))ssl_undefined_function,
+ NULL, /* client_finished_label */
+ 0, /* client_finished_label_len */
+ NULL, /* server_finished_label */
+ 0, /* server_finished_label_len */
+ (int (*)(int))ssl_undefined_function
};
int SSL_clear(SSL *s)
{
- int state;
if (s->method == NULL)
{
return(0);
}
+ if (ssl_clear_bad_session(s))
+ {
+ SSL_SESSION_free(s->session);
+ s->session=NULL;
+ }
+
s->error=0;
s->hit=0;
s->shutdown=0;
}
#endif
- state=s->state; /* Keep to check if we throw away the session-id */
s->type=0;
s->state=SSL_ST_BEFORE|((s->server)?SSL_ST_ACCEPT:SSL_ST_CONNECT);
ssl_clear_cipher_ctx(s);
- if (ssl_clear_bad_session(s))
- {
- SSL_SESSION_free(s->session);
- s->session=NULL;
- }
-
s->first_packet=0;
#if 1
}
/** Used to change an SSL_CTXs default SSL method type */
-int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth)
+int SSL_CTX_set_ssl_version(SSL_CTX *ctx,const SSL_METHOD *meth)
{
STACK_OF(SSL_CIPHER) *sk;
s->msg_callback=ctx->msg_callback;
s->msg_callback_arg=ctx->msg_callback_arg;
s->verify_mode=ctx->verify_mode;
+#if 0
s->verify_depth=ctx->verify_depth;
+#endif
s->sid_ctx_length=ctx->sid_ctx_length;
+ OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
memcpy(&s->sid_ctx,&ctx->sid_ctx,sizeof(s->sid_ctx));
s->verify_callback=ctx->default_verify_callback;
s->generate_session_id=ctx->generate_session_id;
+
+ s->param = X509_VERIFY_PARAM_new();
+ if (!s->param)
+ goto err;
+ X509_VERIFY_PARAM_inherit(s->param, ctx->param);
+#if 0
s->purpose = ctx->purpose;
s->trust = ctx->trust;
+#endif
s->quiet_shutdown=ctx->quiet_shutdown;
+ s->max_send_fragment = ctx->max_send_fragment;
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
s->ctx=ctx;
int SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
unsigned int sid_ctx_len)
{
- if(sid_ctx_len > SSL_MAX_SID_CTX_LENGTH)
+ if(sid_ctx_len > sizeof ctx->sid_ctx)
{
SSLerr(SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT,SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
return 0;
* any new session built out of this id/id_len and the ssl_version in
* use by this SSL. */
SSL_SESSION r, *p;
+
+ if(id_len > sizeof r.session_id)
+ return 0;
+
r.ssl_version = ssl->version;
r.session_id_length = id_len;
memcpy(r.session_id, id, id_len);
int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
{
- return X509_PURPOSE_set(&s->purpose, purpose);
+ return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
}
int SSL_set_purpose(SSL *s, int purpose)
{
- return X509_PURPOSE_set(&s->purpose, purpose);
+ return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
}
int SSL_CTX_set_trust(SSL_CTX *s, int trust)
{
- return X509_TRUST_set(&s->trust, trust);
+ return X509_VERIFY_PARAM_set_trust(s->param, trust);
}
int SSL_set_trust(SSL *s, int trust)
{
- return X509_TRUST_set(&s->trust, trust);
+ return X509_VERIFY_PARAM_set_trust(s->param, trust);
}
void SSL_free(SSL *s)
}
#endif
+ if (s->param)
+ X509_VERIFY_PARAM_free(s->param);
+
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
if (s->bbio != NULL)
if (s->method != NULL) s->method->ssl_free(s);
+#ifndef OPENSSL_NO_KRB5
+ if (s->kssl_ctx != NULL)
+ kssl_ctx_free(s->kssl_ctx);
+#endif /* OPENSSL_NO_KRB5 */
+
OPENSSL_free(s);
}
s->wbio=wbio;
}
-BIO *SSL_get_rbio(SSL *s)
+BIO *SSL_get_rbio(const SSL *s)
{ return(s->rbio); }
-BIO *SSL_get_wbio(SSL *s)
+BIO *SSL_get_wbio(const SSL *s)
{ return(s->wbio); }
-int SSL_get_fd(SSL *s)
+int SSL_get_fd(const SSL *s)
{
return(SSL_get_rfd(s));
}
-int SSL_get_rfd(SSL *s)
+int SSL_get_rfd(const SSL *s)
{
int ret= -1;
BIO *b,*r;
return(ret);
}
-int SSL_get_wfd(SSL *s)
+int SSL_get_wfd(const SSL *s)
{
int ret= -1;
BIO *b,*r;
/* return length of latest Finished message we sent, copy to 'buf' */
-size_t SSL_get_finished(SSL *s, void *buf, size_t count)
+size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
{
size_t ret = 0;
}
/* return length of latest Finished message we expected, copy to 'buf' */
-size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
+size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
{
size_t ret = 0;
}
-int SSL_get_verify_mode(SSL *s)
+int SSL_get_verify_mode(const SSL *s)
{
return(s->verify_mode);
}
-int SSL_get_verify_depth(SSL *s)
+int SSL_get_verify_depth(const SSL *s)
{
- return(s->verify_depth);
+ return X509_VERIFY_PARAM_get_depth(s->param);
}
-int (*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *)
+int (*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *)
{
return(s->verify_callback);
}
-int SSL_CTX_get_verify_mode(SSL_CTX *ctx)
+int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
{
return(ctx->verify_mode);
}
-int SSL_CTX_get_verify_depth(SSL_CTX *ctx)
+int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
{
- return(ctx->verify_depth);
+ return X509_VERIFY_PARAM_get_depth(ctx->param);
}
-int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *)
+int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *)
{
return(ctx->default_verify_callback);
}
void SSL_set_verify_depth(SSL *s,int depth)
{
- s->verify_depth=depth;
+ X509_VERIFY_PARAM_set_depth(s->param, depth);
}
void SSL_set_read_ahead(SSL *s,int yes)
s->read_ahead=yes;
}
-int SSL_get_read_ahead(SSL *s)
+int SSL_get_read_ahead(const SSL *s)
{
return(s->read_ahead);
}
-int SSL_pending(SSL *s)
+int SSL_pending(const SSL *s)
{
/* SSL_pending cannot work properly if read-ahead is enabled
* (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
return(s->method->ssl_pending(s));
}
-X509 *SSL_get_peer_certificate(SSL *s)
+X509 *SSL_get_peer_certificate(const SSL *s)
{
X509 *r;
return(r);
}
-STACK_OF(X509) *SSL_get_peer_cert_chain(SSL *s)
+STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
{
STACK_OF(X509) *r;
/* Now in theory, since the calling process own 't' it should be safe to
* modify. We need to be able to read f without being hassled */
-void SSL_copy_session_id(SSL *t,SSL *f)
+void SSL_copy_session_id(SSL *t,const SSL *f)
{
CERT *tmp;
}
/* Fix this so it checks all the valid key/cert options */
-int SSL_CTX_check_private_key(SSL_CTX *ctx)
+int SSL_CTX_check_private_key(const SSL_CTX *ctx)
{
if ( (ctx == NULL) ||
(ctx->cert == NULL) ||
}
/* Fix this function so that it takes an optional type parameter */
-int SSL_check_private_key(SSL *ssl)
+int SSL_check_private_key(const SSL *ssl)
{
if (ssl == NULL)
{
return(s->method->ssl_connect(s));
}
-long SSL_get_default_timeout(SSL *s)
+long SSL_get_default_timeout(const SSL *s)
{
return(s->method->get_timeout());
}
{
if (s->handshake_func == 0)
{
- SSLerr(SSL_F_SSL_READ, SSL_R_UNINITIALIZED);
+ SSLerr(SSL_F_SSL_PEEK, SSL_R_UNINITIALIZED);
return -1;
}
int SSL_renegotiate(SSL *s)
{
- s->new_session=1;
+ if (s->new_session == 0)
+ {
+ s->new_session=1;
+ }
return(s->method->ssl_renegotiate(s));
}
l=s->max_cert_list;
s->max_cert_list=larg;
return(l);
+ case SSL_CTRL_SET_MTU:
+ if (SSL_version(s) == DTLS1_VERSION)
+ {
+ s->d1->mtu = larg;
+ return larg;
+ }
+ return 0;
+ case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
+ if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
+ return 0;
+ s->max_send_fragment = larg;
+ return 1;
default:
return(s->method->ssl_ctrl(s,cmd,larg,parg));
}
}
-long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
+long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
{
switch(cmd)
{
return(ctx->options|=larg);
case SSL_CTRL_MODE:
return(ctx->mode|=larg);
+ case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
+ if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
+ return 0;
+ ctx->max_send_fragment = larg;
+ return 1;
default:
return(ctx->method->ssl_ctx_ctrl(ctx,cmd,larg,parg));
}
}
-long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
+long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
{
switch(cmd)
{
/** return a STACK of the ciphers available for the SSL and in order of
* preference */
-STACK_OF(SSL_CIPHER) *SSL_get_ciphers(SSL *s)
+STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
{
- if ((s != NULL) && (s->cipher_list != NULL))
- {
- return(s->cipher_list);
- }
- else if ((s->ctx != NULL) &&
- (s->ctx->cipher_list != NULL))
+ if (s != NULL)
{
- return(s->ctx->cipher_list);
+ if (s->cipher_list != NULL)
+ {
+ return(s->cipher_list);
+ }
+ else if ((s->ctx != NULL) &&
+ (s->ctx->cipher_list != NULL))
+ {
+ return(s->ctx->cipher_list);
+ }
}
return(NULL);
}
* algorithm id */
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s)
{
- if ((s != NULL) && (s->cipher_list_by_id != NULL))
- {
- return(s->cipher_list_by_id);
- }
- else if ((s != NULL) && (s->ctx != NULL) &&
- (s->ctx->cipher_list_by_id != NULL))
+ if (s != NULL)
{
- return(s->ctx->cipher_list_by_id);
+ if (s->cipher_list_by_id != NULL)
+ {
+ return(s->cipher_list_by_id);
+ }
+ else if ((s->ctx != NULL) &&
+ (s->ctx->cipher_list_by_id != NULL))
+ {
+ return(s->ctx->cipher_list_by_id);
+ }
}
return(NULL);
}
/** The old interface to get the same thing as SSL_get_ciphers() */
-const char *SSL_get_cipher_list(SSL *s,int n)
+const char *SSL_get_cipher_list(const SSL *s,int n)
{
SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *sk;
sk=ssl_create_cipher_list(ctx->method,&ctx->cipher_list,
&ctx->cipher_list_by_id,str);
-/* XXXX */
- return((sk == NULL)?0:1);
+ /* ssl_create_cipher_list may return an empty stack if it
+ * was unable to find a cipher matching the given rule string
+ * (for example if the rule string specifies a cipher which
+ * has been disabled). This is not an error as far as
+ * ssl_create_cipher_list is concerned, and hence
+ * ctx->cipher_list and ctx->cipher_list_by_id has been
+ * updated. */
+ if (sk == NULL)
+ return 0;
+ else if (sk_SSL_CIPHER_num(sk) == 0)
+ {
+ SSLerr(SSL_F_SSL_CTX_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
+ return 0;
+ }
+ return 1;
}
/** specify the ciphers to be used by the SSL */
sk=ssl_create_cipher_list(s->ctx->method,&s->cipher_list,
&s->cipher_list_by_id,str);
-/* XXXX */
- return((sk == NULL)?0:1);
+ /* see comment in SSL_CTX_set_cipher_list */
+ if (sk == NULL)
+ return 0;
+ else if (sk_SSL_CIPHER_num(sk) == 0)
+ {
+ SSLerr(SSL_F_SSL_SET_CIPHER_LIST, SSL_R_NO_CIPHER_MATCH);
+ return 0;
+ }
+ return 1;
}
/* works well for SSLv2, not so good for SSLv3 */
-char *SSL_get_shared_ciphers(SSL *s,char *buf,int len)
+char *SSL_get_shared_ciphers(const SSL *s,char *buf,int len)
{
char *p;
const char *cp;
return(buf);
}
-int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p)
+int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
+ int (*put_cb)(const SSL_CIPHER *, unsigned char *))
{
int i,j=0;
SSL_CIPHER *c;
if ((c->algorithms & SSL_KRB5) && nokrb5)
continue;
#endif /* OPENSSL_NO_KRB5 */
- j=ssl_put_cipher_by_char(s,c,p);
+
+ j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p);
p+=j;
}
return(p-q);
return(NULL);
}
-unsigned long SSL_SESSION_hash(SSL_SESSION *a)
+unsigned long SSL_SESSION_hash(const SSL_SESSION *a)
{
unsigned long l;
* SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
* able to construct an SSL_SESSION that will collide with any existing session
* with a matching session ID. */
-int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
+int SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b)
{
if (a->ssl_version != b->ssl_version)
return(1);
static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
-SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
+SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
{
SSL_CTX *ret=NULL;
ret->key_arg=NULL;
ret->s2->conn_id=NULL; */
- ret->info_callback=0;
+ ret->info_callback=NULL;
ret->app_verify_callback=0;
ret->app_verify_arg=NULL;
ret->msg_callback=0;
ret->msg_callback_arg=NULL;
ret->verify_mode=SSL_VERIFY_NONE;
+#if 0
ret->verify_depth=-1; /* Don't impose a limit (but x509_lu.c does) */
+#endif
ret->sid_ctx_length=0;
ret->default_verify_callback=NULL;
if ((ret->cert=ssl_cert_new()) == NULL)
ret->default_passwd_callback=0;
ret->default_passwd_callback_userdata=NULL;
ret->client_cert_cb=0;
+ ret->app_gen_cookie_cb=0;
+ ret->app_verify_cookie_cb=0;
ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
LHASH_COMP_FN(SSL_SESSION_cmp));
goto err2;
}
+ ret->param = X509_VERIFY_PARAM_new();
+ if (!ret->param)
+ goto err;
+
if ((ret->rsa_md5=EVP_get_digestbyname("ssl2-md5")) == NULL)
{
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES);
ret->extra_certs=NULL;
ret->comp_methods=SSL_COMP_get_compression_methods();
+ ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
+
return(ret);
err:
SSLerr(SSL_F_SSL_CTX_NEW,ERR_R_MALLOC_FAILURE);
abort(); /* ok */
}
#endif
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
+ if (a->param)
+ X509_VERIFY_PARAM_free(a->param);
+
+ /*
+ * Free internal session cache. However: the remove_cb() may reference
+ * the ex_data of SSL_CTX, thus the ex_data store can only be removed
+ * after the sessions were flushed.
+ * As the ex_data handling routines might also touch the session cache,
+ * the most secure solution seems to be: empty (flush) the cache, then
+ * free ex_data, then finally free the cache.
+ * (See ticket [openssl.org #212].)
+ */
if (a->sessions != NULL)
- {
SSL_CTX_flush_sessions(a,0);
+
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
+
+ if (a->sessions != NULL)
lh_free(a->sessions);
- }
+
if (a->cert_store != NULL)
X509_STORE_free(a->cert_store);
if (a->cipher_list != NULL)
ctx->default_passwd_callback_userdata=u;
}
-void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
+void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg)
{
- /* now
- * int (*cb)(X509_STORE_CTX *),
- * but should be
- * int (*cb)(X509_STORE_CTX *, void *arg)
- */
ctx->app_verify_callback=cb;
- ctx->app_verify_arg=arg; /* never used */
+ ctx->app_verify_arg=arg;
}
void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth)
{
- ctx->verify_depth=depth;
+ X509_VERIFY_PARAM_set_depth(ctx->param, depth);
}
void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher)
int rsa_enc_export,dh_rsa_export,dh_dsa_export;
int rsa_tmp_export,dh_tmp_export,kl;
unsigned long mask,emask;
+ int have_ecc_cert, ecdh_ok, ecdsa_ok, ecc_pkey_size;
+#ifndef OPENSSL_NO_ECDH
+ int have_ecdh_tmp;
+#endif
+ X509 *x = NULL;
+ EVP_PKEY *ecc_pkey = NULL;
+ int signature_nid = 0;
if (c == NULL) return;
dh_tmp=dh_tmp_export=0;
#endif
+#ifndef OPENSSL_NO_ECDH
+ have_ecdh_tmp=(c->ecdh_tmp != NULL || c->ecdh_tmp_cb != NULL);
+#endif
cpk= &(c->pkeys[SSL_PKEY_RSA_ENC]);
rsa_enc= (cpk->x509 != NULL && cpk->privatekey != NULL);
rsa_enc_export=(rsa_enc && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
/* FIX THIS EAY EAY EAY */
dh_dsa= (cpk->x509 != NULL && cpk->privatekey != NULL);
dh_dsa_export=(dh_dsa && EVP_PKEY_size(cpk->privatekey)*8 <= kl);
-
+ cpk= &(c->pkeys[SSL_PKEY_ECC]);
+ have_ecc_cert= (cpk->x509 != NULL && cpk->privatekey != NULL);
mask=0;
emask=0;
emask|=SSL_kKRB5|SSL_aKRB5;
#endif
+ /* An ECC certificate may be usable for ECDH and/or
+ * ECDSA cipher suites depending on the key usage extension.
+ */
+ if (have_ecc_cert)
+ {
+ /* This call populates extension flags (ex_flags) */
+ x = (c->pkeys[SSL_PKEY_ECC]).x509;
+ X509_check_purpose(x, -1, 0);
+ ecdh_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
+ (x->ex_kusage & X509v3_KU_KEY_AGREEMENT) : 1;
+ ecdsa_ok = (x->ex_flags & EXFLAG_KUSAGE) ?
+ (x->ex_kusage & X509v3_KU_DIGITAL_SIGNATURE) : 1;
+ ecc_pkey = X509_get_pubkey(x);
+ ecc_pkey_size = (ecc_pkey != NULL) ?
+ EVP_PKEY_bits(ecc_pkey) : 0;
+ EVP_PKEY_free(ecc_pkey);
+ if ((x->sig_alg) && (x->sig_alg->algorithm))
+ signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+#ifndef OPENSSL_NO_ECDH
+ if (ecdh_ok)
+ {
+ if ((signature_nid == NID_md5WithRSAEncryption) ||
+ (signature_nid == NID_md4WithRSAEncryption) ||
+ (signature_nid == NID_md2WithRSAEncryption))
+ {
+ mask|=SSL_kECDH|SSL_aRSA;
+ if (ecc_pkey_size <= 163)
+ emask|=SSL_kECDH|SSL_aRSA;
+ }
+ if (signature_nid == NID_ecdsa_with_SHA1)
+ {
+ mask|=SSL_kECDH|SSL_aECDSA;
+ if (ecc_pkey_size <= 163)
+ emask|=SSL_kECDH|SSL_aECDSA;
+ }
+ }
+#endif
+#ifndef OPENSSL_NO_ECDSA
+ if (ecdsa_ok)
+ {
+ mask|=SSL_aECDSA;
+ emask|=SSL_aECDSA;
+ }
+#endif
+ }
+
+#ifndef OPENSSL_NO_ECDH
+ if (have_ecdh_tmp)
+ {
+ mask|=SSL_kECDHE;
+ emask|=SSL_kECDHE;
+ }
+#endif
c->mask=mask;
c->export_mask=emask;
c->valid=1;
}
+/* This handy macro borrowed from crypto/x509v3/v3_purp.c */
+#define ku_reject(x, usage) \
+ (((x)->ex_flags & EXFLAG_KUSAGE) && !((x)->ex_kusage & (usage)))
+
+int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs)
+ {
+ unsigned long alg = cs->algorithms;
+ EVP_PKEY *pkey = NULL;
+ int keysize = 0;
+ int signature_nid = 0;
+
+ if (SSL_C_IS_EXPORT(cs))
+ {
+ /* ECDH key length in export ciphers must be <= 163 bits */
+ pkey = X509_get_pubkey(x);
+ if (pkey == NULL) return 0;
+ keysize = EVP_PKEY_bits(pkey);
+ EVP_PKEY_free(pkey);
+ if (keysize > 163) return 0;
+ }
+
+ /* This call populates the ex_flags field correctly */
+ X509_check_purpose(x, -1, 0);
+ if ((x->sig_alg) && (x->sig_alg->algorithm))
+ signature_nid = OBJ_obj2nid(x->sig_alg->algorithm);
+ if (alg & SSL_kECDH)
+ {
+ /* key usage, if present, must allow key agreement */
+ if (ku_reject(x, X509v3_KU_KEY_AGREEMENT))
+ {
+ return 0;
+ }
+ if (alg & SSL_aECDSA)
+ {
+ /* signature alg must be ECDSA */
+ if (signature_nid != NID_ecdsa_with_SHA1)
+ {
+ return 0;
+ }
+ }
+ if (alg & SSL_aRSA)
+ {
+ /* signature alg must be RSA */
+ if ((signature_nid != NID_md5WithRSAEncryption) &&
+ (signature_nid != NID_md4WithRSAEncryption) &&
+ (signature_nid != NID_md2WithRSAEncryption))
+ {
+ return 0;
+ }
+ }
+ }
+ else if (alg & SSL_aECDSA)
+ {
+ /* key usage, if present, must allow signing */
+ if (ku_reject(x, X509v3_KU_DIGITAL_SIGNATURE))
+ {
+ return 0;
+ }
+ }
+
+ return 1; /* all checks are ok */
+ }
+
/* THIS NEEDS CLEANING UP */
X509 *ssl_get_server_send_cert(SSL *s)
{
mask=is_export?c->export_mask:c->mask;
kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
- if (kalg & SSL_kDHr)
+ if (kalg & SSL_kECDH)
+ {
+ /* we don't need to look at SSL_kECDHE
+ * since no certificate is needed for
+ * anon ECDH and for authenticated
+ * ECDHE, the check for the auth
+ * algorithm will set i correctly
+ * NOTE: For ECDH-RSA, we need an ECC
+ * not an RSA cert but for ECDHE-RSA
+ * we need an RSA cert. Placing the
+ * checks for SSL_kECDH before RSA
+ * checks ensures the correct cert is chosen.
+ */
+ i=SSL_PKEY_ECC;
+ }
+ else if (kalg & SSL_aECDSA)
+ {
+ i=SSL_PKEY_ECC;
+ }
+ else if (kalg & SSL_kDHr)
i=SSL_PKEY_DH_RSA;
else if (kalg & SSL_kDHd)
i=SSL_PKEY_DH_DSA;
return(NULL);
}
if (c->pkeys[i].x509 == NULL) return(NULL);
+
return(c->pkeys[i].x509);
}
else
return(NULL);
}
+ else if ((alg & SSL_aECDSA) &&
+ (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
+ return(c->pkeys[SSL_PKEY_ECC].privatekey);
else /* if (alg & SSL_aNULL) */
{
SSLerr(SSL_F_SSL_GET_SIGN_PKEY,ERR_R_INTERNAL_ERROR);
* and it would be rather hard to do anyway :-) */
if (s->session->session_id_length == 0) return;
- if ((s->ctx->session_cache_mode & mode)
- && (!s->hit)
- && SSL_CTX_add_session(s->ctx,s->session)
+ i=s->ctx->session_cache_mode;
+ if ((i & mode) && (!s->hit)
+ && ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE)
+ || SSL_CTX_add_session(s->ctx,s->session))
&& (s->ctx->new_session_cb != NULL))
{
CRYPTO_add(&s->session->references,1,CRYPTO_LOCK_SSL_SESSION);
}
/* auto flush every 255 connections */
- i=s->ctx->session_cache_mode;
if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) &&
((i & mode) == mode))
{
?s->ctx->stats.sess_connect_good
:s->ctx->stats.sess_accept_good) & 0xff) == 0xff)
{
- SSL_CTX_flush_sessions(s->ctx,time(NULL));
+ SSL_CTX_flush_sessions(s->ctx,(unsigned long)time(NULL));
}
}
}
-SSL_METHOD *SSL_get_ssl_method(SSL *s)
+const SSL_METHOD *SSL_get_ssl_method(SSL *s)
{
return(s->method);
}
-int SSL_set_ssl_method(SSL *s,SSL_METHOD *meth)
+int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
{
int conn= -1;
int ret=1;
return(ret);
}
-int SSL_get_error(SSL *s,int i)
+int SSL_get_error(const SSL *s,int i)
{
int reason;
unsigned long l;
return(0);
}
+int ssl_undefined_void_function(void)
+ {
+ SSLerr(SSL_F_SSL_UNDEFINED_VOID_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return(0);
+ }
+
+int ssl_undefined_const_function(const SSL *s)
+ {
+ SSLerr(SSL_F_SSL_UNDEFINED_CONST_FUNCTION,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return(0);
+ }
+
SSL_METHOD *ssl_bad_method(int ver)
{
SSLerr(SSL_F_SSL_BAD_METHOD,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return(NULL);
}
-const char *SSL_get_version(SSL *s)
+const char *SSL_get_version(const SSL *s)
{
if (s->version == TLS1_VERSION)
return("TLSv1");
* they should not both point to the same object,
* and thus we can't use SSL_copy_session_id. */
+ ret->method->ssl_free(ret);
ret->method = s->method;
ret->method->ssl_new(ret);
ret->rstate=s->rstate;
ret->init_num = 0; /* would have to copy ret->init_buf, ret->init_msg, ret->init_num, ret->init_off */
ret->hit=s->hit;
- ret->purpose=s->purpose;
- ret->trust=s->trust;
+
+ X509_VERIFY_PARAM_inherit(ret->param, s->param);
/* dup the cipher_list and cipher_list_by_id stacks */
if (s->cipher_list != NULL)
OPENSSL_free(s->enc_write_ctx);
s->enc_write_ctx=NULL;
}
+#ifndef OPENSSL_NO_COMP
if (s->expand != NULL)
{
COMP_CTX_free(s->expand);
COMP_CTX_free(s->compress);
s->compress=NULL;
}
+#endif
}
/* Fix this function so that it takes an optional type parameter */
-X509 *SSL_get_certificate(SSL *s)
+X509 *SSL_get_certificate(const SSL *s)
{
if (s->cert != NULL)
return(s->cert->key->x509);
return(NULL);
}
-SSL_CIPHER *SSL_get_current_cipher(SSL *s)
+SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
{
if ((s->session != NULL) && (s->session->cipher != NULL))
return(s->session->cipher);
return(NULL);
}
+#ifdef OPENSSL_NO_COMP
+const void *SSL_get_current_compression(SSL *s)
+ {
+ return NULL;
+ }
+const void *SSL_get_current_expansion(SSL *s)
+ {
+ return NULL;
+ }
+#else
+
+const COMP_METHOD *SSL_get_current_compression(SSL *s)
+ {
+ if (s->compress != NULL)
+ return(s->compress->meth);
+ return(NULL);
+ }
+
+const COMP_METHOD *SSL_get_current_expansion(SSL *s)
+ {
+ if (s->expand != NULL)
+ return(s->expand->meth);
+ return(NULL);
+ }
+#endif
int ssl_init_wbio_buffer(SSL *s,int push)
{
ctx->quiet_shutdown=mode;
}
-int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx)
+int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
{
return(ctx->quiet_shutdown);
}
s->quiet_shutdown=mode;
}
-int SSL_get_quiet_shutdown(SSL *s)
+int SSL_get_quiet_shutdown(const SSL *s)
{
return(s->quiet_shutdown);
}
s->shutdown=mode;
}
-int SSL_get_shutdown(SSL *s)
+int SSL_get_shutdown(const SSL *s)
{
return(s->shutdown);
}
-int SSL_version(SSL *s)
+int SSL_version(const SSL *s)
{
return(s->version);
}
-SSL_CTX *SSL_get_SSL_CTX(SSL *ssl)
+SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
{
return(ssl->ctx);
}
}
#endif
-void SSL_set_info_callback(SSL *ssl,void (*cb)())
+void SSL_set_info_callback(SSL *ssl,
+ void (*cb)(const SSL *ssl,int type,int val))
{
ssl->info_callback=cb;
}
-void (*SSL_get_info_callback(SSL *ssl))(void)
+/* One compiler (Diab DCC) doesn't like argument names in returned
+ function pointer. */
+void (*SSL_get_info_callback(const SSL *ssl))(const SSL * /*ssl*/,int /*type*/,int /*val*/)
{
- return((void (*)())ssl->info_callback);
+ return ssl->info_callback;
}
-int SSL_state(SSL *ssl)
+int SSL_state(const SSL *ssl)
{
return(ssl->state);
}
ssl->verify_result=arg;
}
-long SSL_get_verify_result(SSL *ssl)
+long SSL_get_verify_result(const SSL *ssl)
{
return(ssl->verify_result);
}
return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
}
-void *SSL_get_ex_data(SSL *s,int idx)
+void *SSL_get_ex_data(const SSL *s,int idx)
{
return(CRYPTO_get_ex_data(&s->ex_data,idx));
}
return(CRYPTO_set_ex_data(&s->ex_data,idx,arg));
}
-void *SSL_CTX_get_ex_data(SSL_CTX *s,int idx)
+void *SSL_CTX_get_ex_data(const SSL_CTX *s,int idx)
{
return(CRYPTO_get_ex_data(&s->ex_data,idx));
}
return(1);
}
-X509_STORE *SSL_CTX_get_cert_store(SSL_CTX *ctx)
+X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
{
return(ctx->cert_store);
}
ctx->cert_store=store;
}
-int SSL_want(SSL *s)
+int SSL_want(const SSL *s)
{
return(s->rwstate);
}
int is_export,
int keylength))
{
- SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+ SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
}
void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
int is_export,
int keylength))
{
- SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+ SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
}
#endif
void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
int keylength))
{
- SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+ SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
}
void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
int keylength))
{
- SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+ SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
+ }
+#endif
+
+#ifndef OPENSSL_NO_ECDH
+void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
+ int keylength))
+ {
+ SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
+ }
+
+void SSL_set_tmp_ecdh_callback(SSL *ssl,EC_KEY *(*ecdh)(SSL *ssl,int is_export,
+ int keylength))
+ {
+ SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
}
#endif
void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
{
- SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
+ SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
}
void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
{
- SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)())cb);
+ SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
}
projects / openssl.git / blobdiff