I'm reversing this change, as it seems the error is somewhere else.

[openssl.git] / ssl / s2_srvr.c

diff --git a/ssl/s2_srvr.c b/ssl/s2_srvr.c
index d64d4e1ede2b71a608e941e53fd31030e1707eb7..546feb5174d56e238b68de9b206b75b254bdfe41 100644 (file)
--- a/ssl/s2_srvr.c
+++ b/ssl/s2_srvr.c
@@ -116,7 +116,6 @@
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
-#include "cryptlib.h"
 
 static SSL_METHOD *ssl2_get_server_method(int ver);
 static int get_client_master_key(SSL *s);
@@ -147,11 +146,14 @@ SSL_METHOD *SSLv2_server_method(void)
                {
                CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD);
 
-               memcpy((char *)&SSLv2_server_data,(char *)sslv2_base_method(),
-                       sizeof(SSL_METHOD));
-               SSLv2_server_data.ssl_accept=ssl2_accept;
-               SSLv2_server_data.get_ssl_method=ssl2_get_server_method;
-               init=0;
+               if (init)
+                       {
+                       memcpy((char *)&SSLv2_server_data,(char *)sslv2_base_method(),
+                               sizeof(SSL_METHOD));
+                       SSLv2_server_data.ssl_accept=ssl2_accept;
+                       SSLv2_server_data.get_ssl_method=ssl2_get_server_method;
+                       init=0;
+                       }
 
                CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD);
                }
@@ -496,7 +498,8 @@ static int get_client_master_key(SSL *s)
                        i=ek;
                else
                        i=EVP_CIPHER_key_length(c);
-               RAND_pseudo_bytes(p,i);
+               if (RAND_pseudo_bytes(p,i) <= 0)
+                       return 0;
                }
 #else
        if (i < 0)
@@ -794,7 +797,7 @@ static int server_hello(SSL *s)
                        /* lets send out the ciphers we like in the
                         * prefered order */
                        sk= s->session->ciphers;
-                       n=ssl_cipher_list_to_bytes(s,s->session->ciphers,d);
+                       n=ssl_cipher_list_to_bytes(s,s->session->ciphers,d,0);
                        d+=n;
                        s2n(n,p);               /* add cipher length */
                        }
@@ -802,7 +805,8 @@ static int server_hello(SSL *s)
                /* make and send conn_id */
                s2n(SSL2_CONNECTION_ID_LENGTH,p);       /* add conn_id length */
                s->s2->conn_id_length=SSL2_CONNECTION_ID_LENGTH;
-               RAND_pseudo_bytes(s->s2->conn_id,(int)s->s2->conn_id_length);
+               if (RAND_pseudo_bytes(s->s2->conn_id,(int)s->s2->conn_id_length) <= 0)
+                       return -1;
                memcpy(d,s->s2->conn_id,SSL2_CONNECTION_ID_LENGTH);
                d+=SSL2_CONNECTION_ID_LENGTH;
 
@@ -873,7 +877,7 @@ static int get_client_finished(SSL *s)
        if (s->msg_callback)
                s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg); /* CLIENT-FINISHED */
        p += 1;
-       if (memcmp(p,s->s2->conn_id,(unsigned int)s->s2->conn_id_length) != 0)
+       if (memcmp(p,s->s2->conn_id,s->s2->conn_id_length) != 0)
                {
                ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
                SSLerr(SSL_F_GET_CLIENT_FINISHED,SSL_R_CONNECTION_ID_IS_DIFFERENT);
@@ -934,6 +938,7 @@ static int server_finish(SSL *s)
 /* send the request and check the response */
 static int request_certificate(SSL *s)
        {
+       const unsigned char *cp;
        unsigned char *p,*p2,*buf2;
        unsigned char *ccd;
        int i,j,ctype,ret= -1;
@@ -947,7 +952,8 @@ static int request_certificate(SSL *s)
                p=(unsigned char *)s->init_buf->data;
                *(p++)=SSL2_MT_REQUEST_CERTIFICATE;
                *(p++)=SSL2_AT_MD5_WITH_RSA_ENCRYPTION;
-               RAND_pseudo_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
+               if (RAND_pseudo_bytes(ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH) <= 0)
+                       return -1;
                memcpy(p,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
 
                s->state=SSL2_ST_SEND_REQUEST_CERTIFICATE_B;
@@ -1050,7 +1056,8 @@ static int request_certificate(SSL *s)
                s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg); /* CLIENT-CERTIFICATE */
        p += 6;
 
-       x509=(X509 *)d2i_X509(NULL,&p,(long)s->s2->tmp.clen);
+       cp = p;
+       x509=(X509 *)d2i_X509(NULL,&cp,(long)s->s2->tmp.clen);
        if (x509 == NULL)
                {
                SSLerr(SSL_F_REQUEST_CERTIFICATE,ERR_R_X509_LIB);
@@ -1073,7 +1080,7 @@ static int request_certificate(SSL *s)
                EVP_MD_CTX_init(&ctx);
                EVP_VerifyInit_ex(&ctx,s->ctx->rsa_md5, NULL);
                EVP_VerifyUpdate(&ctx,s->s2->key_material,
-                       (unsigned int)s->s2->key_material_length);
+                                s->s2->key_material_length);
                EVP_VerifyUpdate(&ctx,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
 
                i=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,NULL);
@@ -1090,7 +1097,7 @@ static int request_certificate(SSL *s)
 
                pkey=X509_get_pubkey(x509);
                if (pkey == NULL) goto end;
-               i=EVP_VerifyFinal(&ctx,p,s->s2->tmp.rlen,pkey);
+               i=EVP_VerifyFinal(&ctx,cp,s->s2->tmp.rlen,pkey);
                EVP_PKEY_free(pkey);
                EVP_MD_CTX_cleanup(&ctx);