#include "ssl_locl.h"
#ifndef OPENSSL_NO_SSL2
#include <stdio.h>
-#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/md5.h>
SSL2_TXT_NULL_WITH_MD5,
SSL2_CK_NULL_WITH_MD5,
SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_MD5|SSL_SSLV2,
- SSL_EXPORT|SSL_EXP40,
+ SSL_EXPORT|SSL_EXP40|SSL_STRONG_NONE,
+ 0,
0,
0,
SSL_ALL_CIPHERS,
SSL_ALL_STRENGTHS,
},
/* IDEA_128_CBC_WITH_MD5 */
+#ifndef OPENSSL_NO_IDEA
{
1,
SSL2_TXT_IDEA_128_CBC_WITH_MD5,
SSL_ALL_CIPHERS,
SSL_ALL_STRENGTHS,
},
+#endif
/* DES_64_CBC_WITH_MD5 */
{
1,
SSL2_TXT_NULL,
SSL2_CK_NULL,
0,
+ SSL_STRONG_NONE,
0,
0,
0,
ssl_bad_method,
ssl2_default_timeout,
&ssl3_undef_enc_method,
- ssl_undefined_function,
+ ssl_undefined_void_function,
ssl2_callback_ctrl, /* local */
ssl2_ctx_callback_ctrl, /* local */
};
return(NULL);
}
-int ssl2_pending(SSL *s)
+int ssl2_pending(const SSL *s)
{
return SSL_in_init(s) ? 0 : s->s2->ract_data_length;
}
s2=s->s2;
if (s2->rbuf != NULL) OPENSSL_free(s2->rbuf);
if (s2->wbuf != NULL) OPENSSL_free(s2->wbuf);
- memset(s2,0,sizeof *s2);
+ OPENSSL_cleanse(s2,sizeof *s2);
OPENSSL_free(s2);
s->s2=NULL;
}
s->packet_length=0;
}
-long ssl2_ctrl(SSL *s, int cmd, long larg, char *parg)
+long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg)
{
int ret=0;
return(ret);
}
-long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp)())
+long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
{
return(0);
}
-long ssl2_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
+long ssl2_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
{
return(0);
}
-long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
+long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
{
return(0);
}
static SSL_CIPHER *sorted[SSL2_NUM_CIPHERS];
SSL_CIPHER c,*cp= &c,**cpp;
unsigned long id;
- int i;
+ unsigned int i;
if (init)
{
CRYPTO_w_lock(CRYPTO_LOCK_SSL);
- for (i=0; i<SSL2_NUM_CIPHERS; i++)
- sorted[i]= &(ssl2_ciphers[i]);
+ if (init)
+ {
+ for (i=0; i<SSL2_NUM_CIPHERS; i++)
+ sorted[i]= &(ssl2_ciphers[i]);
- qsort( (char *)sorted,
- SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
- FP_ICC ssl_cipher_ptr_id_cmp);
+ qsort((char *)sorted,
+ SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
+ FP_ICC ssl_cipher_ptr_id_cmp);
+ init=0;
+ }
+
CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
- init=0;
}
id=0x02000000L|((unsigned long)p[0]<<16L)|
return(3);
}
-void ssl2_generate_key_material(SSL *s)
+int ssl2_generate_key_material(SSL *s)
{
unsigned int i;
EVP_MD_CTX ctx;
unsigned char *km;
unsigned char c='0';
+ const EVP_MD *md5;
+
+ md5 = EVP_md5();
#ifdef CHARSET_EBCDIC
c = os_toascii['0']; /* Must be an ASCII '0', not EBCDIC '0',
#endif
EVP_MD_CTX_init(&ctx);
km=s->s2->key_material;
- for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
- {
- EVP_DigestInit_ex(&ctx,EVP_md5(), NULL);
+ if (s->session->master_key_length < 0 ||
+ s->session->master_key_length > (int)sizeof(s->session->master_key))
+ {
+ SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+
+ for (i=0; i<s->s2->key_material_length; i += EVP_MD_size(md5))
+ {
+ if (((km - s->s2->key_material) + EVP_MD_size(md5)) >
+ (int)sizeof(s->s2->key_material))
+ {
+ /* EVP_DigestFinal_ex() below would write beyond buffer */
+ SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+
+ EVP_DigestInit_ex(&ctx, md5, NULL);
+
+ OPENSSL_assert(s->session->master_key_length >= 0
+ && s->session->master_key_length
+ < (int)sizeof(s->session->master_key));
EVP_DigestUpdate(&ctx,s->session->master_key,s->session->master_key_length);
EVP_DigestUpdate(&ctx,&c,1);
c++;
EVP_DigestUpdate(&ctx,s->s2->challenge,s->s2->challenge_length);
EVP_DigestUpdate(&ctx,s->s2->conn_id,s->s2->conn_id_length);
EVP_DigestFinal_ex(&ctx,km,NULL);
- km+=MD5_DIGEST_LENGTH;
+ km += EVP_MD_size(md5);
}
+
EVP_MD_CTX_cleanup(&ctx);
+ return 1;
}
void ssl2_return_error(SSL *s, int err)
buf[2]=(s->error_code)&0xff;
/* state=s->rwstate;*/
- error=s->error;
+
+ error=s->error; /* number of bytes left to write */
s->error=0;
+ OPENSSL_assert(error >= 0 && error <= (int)sizeof(buf));
i=ssl2_write(s,&(buf[3-error]),error);
+
/* if (i == error) s->rwstate=state; */
if (i < 0)
s->error=error;
- else if (i != s->error)
+ else
+ {
s->error=error-i;
- /* else
- s->error=0; */
+
+ if (s->error == 0)
+ if (s->msg_callback)
+ s->msg_callback(1, s->version, 0, buf, 3, s, s->msg_callback_arg); /* ERROR */
+ }
}
int ssl2_shutdown(SSL *s)