*/
#include "ssl_locl.h"
-#ifndef NO_SSL2
+#ifndef OPENSSL_NO_SSL2
#include <stdio.h>
#include <openssl/rsa.h>
#include <openssl/objects.h>
+#include <openssl/evp.h>
#include <openssl/md5.h>
+#include "cryptlib.h"
static long ssl2_default_timeout(void );
const char *ssl2_version_str="SSLv2" OPENSSL_VERSION_PTEXT;
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,
SSL2_TXT_NULL,
SSL2_CK_NULL,
0,
+ SSL_STRONG_NONE,
0,
0,
0,
int ssl2_pending(SSL *s)
{
- /* Unlike ssl2_pending, this one probably works (if read-ahead
- * is disabled), but it should be examined
- * XXX */
- return(s->s2->ract_data_length);
+ return SSL_in_init(s) ? 0 : s->s2->ract_data_length;
}
int ssl2_new(SSL *s)
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(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);
}
{
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;
- MD5_CTX ctx;
+ 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',
see SSLv2 docu */
#endif
-
+ EVP_MD_CTX_init(&ctx);
km=s->s2->key_material;
- for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
- {
- MD5_Init(&ctx);
- MD5_Update(&ctx,s->session->master_key,s->session->master_key_length);
- MD5_Update(&ctx,&c,1);
+ if (s->session->master_key_length < 0 || s->session->master_key_length > 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)) > 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
+ < sizeof s->session->master_key);
+ EVP_DigestUpdate(&ctx,s->session->master_key,s->session->master_key_length);
+ EVP_DigestUpdate(&ctx,&c,1);
c++;
- MD5_Update(&ctx,s->s2->challenge,s->s2->challenge_length);
- MD5_Update(&ctx,s->s2->conn_id,s->s2->conn_id_length);
- MD5_Final(km,&ctx);
- km+=MD5_DIGEST_LENGTH;
+ 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 += 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 <= 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)
s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
return(1);
}
-#else /* !NO_SSL2 */
+#else /* !OPENSSL_NO_SSL2 */
# if PEDANTIC
static void *dummy=&dummy;