* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
#ifndef HEADER_SSL_H
#define HEADER_SSL_H
#define SSL_TXT_TLSV1 "TLSv1"
#define SSL_TXT_ALL "ALL"
-/* 'DEFAULT' at the start of the cipher list insert the following string
- * in addition to this being the default cipher string */
-#define SSL_DEFAULT_CIPHER_LIST "ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH"
+/* The following cipher list is used by default.
+ * It also is substituted when an application-defined cipher list string
+ * starts with 'DEFAULT'. */
+#define SSL_DEFAULT_CIPHER_LIST "ALL:!ADH:+RC4:@STRENGTH" /* low priority for RC4 */
/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
#define SSL_SENT_SHUTDOWN 1
int (*ssl_shutdown)(SSL *s);
int (*ssl_renegotiate)(SSL *s);
int (*ssl_renegotiate_check)(SSL *s);
- long (*ssl_ctrl)(SSL *s,int cmd,long larg,char *parg);
- long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,char *parg);
+ long (*ssl_ctrl)(SSL *s,int cmd,long larg,void *parg);
+ long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,void *parg);
SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
int (*ssl_pending)(SSL *s);
* Cipher OCTET_STRING, -- the 3 byte cipher ID
* Session_ID OCTET_STRING, -- the Session ID
* Master_key OCTET_STRING, -- the master key
+ * KRB5_principal OCTET_STRING -- optional Kerberos principal
* Key_Arg [ 0 ] IMPLICIT OCTET_STRING, -- the optional Key argument
* Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
* Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
struct ssl_session_st *prev,*next;
} SSL_SESSION;
+
#define SSL_OP_MICROSOFT_SESS_ID_BUG 0x00000001L
#define SSL_OP_NETSCAPE_CHALLENGE_BUG 0x00000002L
#define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0x00000008L
#define SSL_OP_TLS_D5_BUG 0x00000100L
#define SSL_OP_TLS_BLOCK_PADDING_BUG 0x00000200L
+/* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
+ * in OpenSSL 0.9.6d. Usually (depending on the application protocol)
+ * the workaround is not needed. Unfortunately some broken SSL/TLS
+ * implementations cannot handle it at all, which is why we include
+ * it in SSL_OP_ALL. */
+#define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0x00000800L /* added in 0.9.6e */
+
+/* SSL_OP_ALL: various bug workarounds that should be rather harmless.
+ * This used to be 0x000FFFFFL before 0.9.7. */
+#define SSL_OP_ALL 0x00000FFFL
+
+/* As server, disallow session resumption on renegotiation */
+#define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x00010000L
/* If set, always create a new key when using tmp_dh parameters */
#define SSL_OP_SINGLE_DH_USE 0x00100000L
/* Set to always use the tmp_rsa key when doing RSA operations,
* (version 3.1) was announced in the client hello. Normally this is
* forbidden to prevent version rollback attacks. */
#define SSL_OP_TLS_ROLLBACK_BUG 0x00800000L
-/* As server, disallow session resumption on renegotiation */
-#define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0x01000000L
+
+#define SSL_OP_NO_SSLv2 0x01000000L
+#define SSL_OP_NO_SSLv3 0x02000000L
+#define SSL_OP_NO_TLSv1 0x04000000L
/* The next flag deliberately changes the ciphertest, this is a check
* for the PKCS#1 attack */
#define SSL_OP_PKCS1_CHECK_2 0x10000000L
#define SSL_OP_NETSCAPE_CA_DN_BUG 0x20000000L
#define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0x40000000L
-#define SSL_OP_ALL 0x000FFFFFL
-#define SSL_OP_NO_SSLv2 0x01000000L
-#define SSL_OP_NO_SSLv3 0x02000000L
-#define SSL_OP_NO_TLSv1 0x04000000L
/* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
* when just a single record has been written): */
* is blocking: */
#define SSL_MODE_AUTO_RETRY 0x00000004L
+
/* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
* they cannot be used to clear bits. */
#define SSL_CTX_set_options(ctx,op) \
- SSL_CTX_ctrl(ctx,SSL_CTRL_OPTIONS,op,NULL)
+ SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
#define SSL_CTX_get_options(ctx) \
- SSL_CTX_ctrl(ctx,SSL_CTRL_OPTIONS,0,NULL)
+ SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
#define SSL_set_options(ssl,op) \
- SSL_ctrl(ssl,SSL_CTRL_OPTIONS,op,NULL)
+ SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
#define SSL_get_options(ssl) \
- SSL_ctrl(ssl,SSL_CTRL_OPTIONS,0,NULL)
+ SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
#define SSL_CTX_set_mode(ctx,op) \
- SSL_CTX_ctrl(ctx,SSL_CTRL_MODE,op,NULL)
+ SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
#define SSL_CTX_get_mode(ctx) \
- SSL_CTX_ctrl(ctx,SSL_CTRL_MODE,0,NULL)
+ SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
#define SSL_set_mode(ssl,op) \
- SSL_ctrl(ssl,SSL_CTRL_MODE,op,NULL)
+ SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
#define SSL_get_mode(ssl) \
- SSL_ctrl(ssl,SSL_CTRL_MODE,0,NULL)
+ SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
+
+
+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));
+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));
+#define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
+#define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
+
+
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
#define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
int references;
/* if defined, these override the X509_verify_cert() calls */
- int (*app_verify_callback)();
- char *app_verify_arg; /* never used; should be void * */
+ int (*app_verify_callback)(X509_STORE_CTX *, void *);
+ void *app_verify_arg;
+ /* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
+ * ('app_verify_callback' was called with just one argument) */
/* Default password callback. */
pem_password_cb *default_passwd_callback;
void *default_passwd_callback_userdata;
/* get client cert callback */
- int (*client_cert_cb)(/* SSL *ssl, X509 **x509, EVP_PKEY **pkey */);
+ int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
CRYPTO_EX_DATA ex_data;
/* Default values used when no per-SSL value is defined follow */
- void (*info_callback)(); /* used if SSL's info_callback is NULL */
+ void (*info_callback)(const SSL *ssl,int type,int val); /* used if SSL's info_callback is NULL */
/* what we put in client cert requests */
STACK_OF(X509_NAME) *client_CA;
int read_ahead;
/* callback that allows applications to peek at protocol messages */
- void (*msg_callback)(int write_p, int version, int content_type, size_t len, const char *buf, SSL *ssl, void *arg);
+ void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
void *msg_callback_arg;
int verify_mode;
int server; /* are we the server side? - mostly used by SSL_clear*/
int new_session;/* 1 if we are to use a new session.
+ * 2 if we are a server and are inside a handshake
+ * (i.e. not just sending a HelloRequest)
* NB: For servers, the 'new' session may actually be a previously
* cached session or even the previous session unless
* SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */
* (for non-blocking reads) */
/* callback that allows applications to peek at protocol messages */
- void (*msg_callback)(int write_p, int version, int content_type, size_t len, const char *buf, SSL *ssl, void *arg);
+ void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
void *msg_callback_arg;
int hit; /* reusing a previous session */
int verify_depth;
int (*verify_callback)(int ok,X509_STORE_CTX *ctx); /* fail if callback returns 0 */
- void (*info_callback)(); /* optional informational callback */
+ void (*info_callback)(const SSL *ssl,int type,int val); /* optional informational callback */
int error; /* error bytes to be written */
int error_code; /* actual code */
const char *file);
#ifndef OPENSSL_SYS_WIN32
#ifndef OPENSSL_SYS_VMS
-#ifndef MAC_OX_pre_X
+#ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! [was: #ifndef MAC_OS_pre_X] */
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
const char *dir);
#endif
#endif
-void ERR_load_SSL_strings(void );
void SSL_load_error_strings(void );
-const char *SSL_state_string(SSL *s);
-const char *SSL_rstate_string(SSL *s);
-const char *SSL_state_string_long(SSL *s);
-const char *SSL_rstate_string_long(SSL *s);
+const char *SSL_state_string(const SSL *s);
+const char *SSL_rstate_string(const SSL *s);
+const char *SSL_state_string_long(const SSL *s);
+const char *SSL_rstate_string_long(const SSL *s);
long SSL_SESSION_get_time(SSL_SESSION *s);
long SSL_SESSION_set_time(SSL_SESSION *s, long t);
long SSL_SESSION_get_timeout(SSL_SESSION *s);
void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
int (*callback)(int, X509_STORE_CTX *));
void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
-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);
#ifndef OPENSSL_NO_RSA
int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
#endif
int SSL_read(SSL *ssl,void *buf,int num);
int SSL_peek(SSL *ssl,void *buf,int num);
int SSL_write(SSL *ssl,const void *buf,int num);
-long SSL_ctrl(SSL *ssl,int cmd, long larg, char *parg);
+long SSL_ctrl(SSL *ssl,int cmd, long larg, void *parg);
long SSL_callback_ctrl(SSL *, int, void (*)());
-long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, char *parg);
+long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, void *parg);
long SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)());
int SSL_get_error(SSL *s,int ret_code);
SSL_SESSION *SSL_get_session(SSL *ssl);
SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
SSL_CTX *SSL_get_SSL_CTX(SSL *ssl);
-void SSL_set_info_callback(SSL *ssl,void (*cb)());
-void (*SSL_get_info_callback(SSL *ssl))();
+void SSL_set_info_callback(SSL *ssl,
+ void (*cb)(const SSL *ssl,int type,int val));
+void (*SSL_get_info_callback(SSL *ssl))(const SSL *ssl,int type,int val);
int SSL_state(SSL *ssl);
void SSL_set_verify_result(SSL *ssl,long v);
#define SSL_R_LENGTH_TOO_SHORT 160
#define SSL_R_LIBRARY_BUG 274
#define SSL_R_LIBRARY_HAS_NO_CIPHERS 161
+#define SSL_R_MESSAGE_TOO_LONG 1111
#define SSL_R_MISSING_DH_DSA_CERT 162
#define SSL_R_MISSING_DH_KEY 163
#define SSL_R_MISSING_DH_RSA_CERT 164
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