#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 const SSL_METHOD *ssl2_get_server_method(int ver);
static int get_client_master_key(SSL *s);
static int get_client_hello(SSL *s);
static int server_hello(SSL *s);
unsigned char *to,int padding);
#define BREAK break
-static SSL_METHOD *ssl2_get_server_method(int ver)
+static const SSL_METHOD *ssl2_get_server_method(int ver)
{
if (ver == SSL2_VERSION)
return(SSLv2_server_method());
return(NULL);
}
-SSL_METHOD *SSLv2_server_method(void)
- {
- static int init=1;
- static SSL_METHOD SSLv2_server_data;
-
- if (init)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD);
-
- 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);
- }
- return(&SSLv2_server_data);
- }
+IMPLEMENT_ssl2_meth_func(SSLv2_server_method,
+ ssl2_accept,
+ ssl_undefined_function,
+ ssl2_get_server_method)
int ssl2_accept(SSL *s)
{
- unsigned long l=time(NULL);
+ unsigned long l=(unsigned long)time(NULL);
BUF_MEM *buf=NULL;
int ret= -1;
long num1;
s->version=SSL2_VERSION;
s->type=SSL_ST_ACCEPT;
- buf=s->init_buf;
- if ((buf == NULL) && ((buf=BUF_MEM_new()) == NULL))
- { ret= -1; goto end; }
- if (!BUF_MEM_grow(buf,(int)
- SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
- { ret= -1; goto end; }
- s->init_buf=buf;
+ if(s->init_buf == NULL)
+ {
+ if ((buf=BUF_MEM_new()) == NULL)
+ {
+ ret= -1;
+ goto end;
+ }
+ if (!BUF_MEM_grow(buf,(int) SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER))
+ {
+ BUF_MEM_free(buf);
+ ret= -1;
+ goto end;
+ }
+ s->init_buf=buf;
+ }
s->init_num=0;
s->ctx->stats.sess_accept++;
s->handshake_func=ssl2_accept;
case SSL2_ST_SEND_SERVER_VERIFY_C:
/* get the number of bytes to write */
num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
- if (num1 != 0)
+ if (num1 > 0)
{
s->rwstate=SSL_WRITING;
num1=BIO_flush(s->wbio);
int is_export,i,n,keya,ek;
unsigned long len;
unsigned char *p;
- SSL_CIPHER *cp;
+ const SSL_CIPHER *cp;
const EVP_CIPHER *c;
const EVP_MD *md;
p+=3;
n2s(p,i); s->s2->tmp.clear=i;
n2s(p,i); s->s2->tmp.enc=i;
- n2s(p,i); s->session->key_arg_length=i;
- if(s->session->key_arg_length > SSL_MAX_KEY_ARG_LENGTH)
+ n2s(p,i);
+ if(i > SSL_MAX_KEY_ARG_LENGTH)
{
ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_KEY_ARG_TOO_LONG);
return -1;
}
+ s->session->key_arg_length=i;
s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B;
}
i = ssl2_read(s,(char *)&(p[s->init_num]),n);
if (i != n) return(ssl2_part_read(s,SSL_F_GET_CLIENT_MASTER_KEY,i));
if (s->msg_callback)
- s->msg_callback(0, s->version, 0, p, (size_t)len, s, s->msg_callback_arg); /* CLIENT-MASTER-KEY */
+ {
+ /* CLIENT-MASTER-KEY */
+ s->msg_callback(0, s->version, 0, p, (size_t)len, s, s->msg_callback_arg);
+ }
p += 10;
memcpy(s->session->key_arg,&(p[s->s2->tmp.clear+s->s2->tmp.enc]),
is_export=SSL_C_IS_EXPORT(s->session->cipher);
- if (!ssl_cipher_get_evp(s->session,&c,&md,NULL))
+ if (!ssl_cipher_get_evp(s->session,&c,&md,NULL,NULL,NULL))
{
ssl2_return_error(s,SSL2_PE_NO_CIPHER);
SSLerr(SSL_F_GET_CLIENT_MASTER_KEY,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
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)
i = ssl2_read(s,(char *)&(p[s->init_num]),n);
if (i != n) return(ssl2_part_read(s,SSL_F_GET_CLIENT_HELLO,i));
if (s->msg_callback)
- s->msg_callback(0, s->version, 0, p, (size_t)len, s, s->msg_callback_arg); /* CLIENT-HELLO */
+ {
+ /* CLIENT-HELLO */
+ s->msg_callback(0, s->version, 0, p, (size_t)len, s, s->msg_callback_arg);
+ }
p += 9;
/* get session-id before cipher stuff so we can get out session
else
{
i=ssl_get_prev_session(s,&(p[s->s2->tmp.cipher_spec_length]),
- s->s2->tmp.session_id_length);
+ s->s2->tmp.session_id_length, NULL);
if (i == 1)
{ /* previous session */
s->hit=1;
{
if (sk_SSL_CIPHER_find(allow,sk_SSL_CIPHER_value(prio,z)) < 0)
{
- sk_SSL_CIPHER_delete(prio,z);
+ (void)sk_SSL_CIPHER_delete(prio,z);
z--;
}
}
{
unsigned char *p,*d;
int n,hit;
- STACK_OF(SSL_CIPHER) *sk;
p=(unsigned char *)s->init_buf->data;
if (s->state == SSL2_ST_SEND_SERVER_HELLO_A)
/* 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 */
}
/* 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;
return(ssl2_part_read(s,SSL_F_GET_CLIENT_FINISHED,i));
}
if (s->msg_callback)
- s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg); /* CLIENT-FINISHED */
+ {
+ /* CLIENT-FINISHED */
+ s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg);
+ }
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);
/* 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;
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;
}
if (s->msg_callback)
- s->msg_callback(0, s->version, 0, p, 3, s, s->msg_callback_arg); /* ERROR */
+ {
+ /* ERROR */
+ s->msg_callback(0, s->version, 0, p, 3, s, s->msg_callback_arg);
+ }
/* this is the one place where we can recover from an SSL 2.0 error */
goto end;
}
if (s->msg_callback)
- s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg); /* CLIENT-CERTIFICATE */
+ {
+ /* CLIENT-CERTIFICATE */
+ s->msg_callback(0, s->version, 0, p, len, s, s->msg_callback_arg);
+ }
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);
i=ssl_verify_cert_chain(s,sk);
- if (i) /* we like the packet, now check the chksum */
+ if (i > 0) /* we like the packet, now check the chksum */
{
EVP_MD_CTX ctx;
EVP_PKEY *pkey=NULL;
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);
- EVP_VerifyUpdate(&ctx,ccd,SSL2_MIN_CERT_CHALLENGE_LENGTH);
+ if (!EVP_VerifyInit_ex(&ctx,s->ctx->rsa_md5, NULL)
+ || !EVP_VerifyUpdate(&ctx,s->s2->key_material,
+ s->s2->key_material_length)
+ || !EVP_VerifyUpdate(&ctx,ccd,
+ SSL2_MIN_CERT_CHALLENGE_LENGTH))
+ goto msg_end;
i=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,NULL);
buf2=OPENSSL_malloc((unsigned int)i);
}
p2=buf2;
i=i2d_X509(s->cert->pkeys[SSL_PKEY_RSA_ENC].x509,&p2);
- EVP_VerifyUpdate(&ctx,buf2,(unsigned int)i);
+ if (!EVP_VerifyUpdate(&ctx,buf2,(unsigned int)i))
+ {
+ OPENSSL_free(buf2);
+ goto msg_end;
+ }
OPENSSL_free(buf2);
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);
- if (i)
+ if (i > 0)
{
if (s->session->peer != NULL)
X509_free(s->session->peer);