#define NETSCAPE_HANG_BUG
#include <stdio.h>
+#include <openssl/crypto.h>
#include "ssl_locl.h"
#include "kssl_lcl.h"
#include <openssl/buffer.h>
return(NULL);
}
+#ifndef OPENSSL_NO_SRP
+static int SSL_check_srp_ext_ClientHello(SSL *s,int *ad)
+ {
+ int ret = SSL_ERROR_NONE;
+
+ *ad = SSL_AD_UNRECOGNIZED_NAME;
+
+ if ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP) &&
+ (s->srp_ctx.TLS_ext_srp_username_callback != NULL))
+ {
+ if(s->srp_ctx.login == NULL)
+ {
+ /* There isn't any srp login extension !!! */
+ ret = SSL3_AL_WARNING;
+ *ad = SSL_AD_MISSING_SRP_USERNAME;
+ }
+ else
+ {
+ ret = SSL_srp_server_param_with_username(s,ad);
+ }
+ }
+ return ret;
+ }
+#endif
+
IMPLEMENT_ssl3_meth_func(SSLv3_server_method,
ssl3_accept,
ssl_undefined_function,
void (*cb)(const SSL *ssl,int type,int val)=NULL;
int ret= -1;
int new_state,state,skip=0;
+#ifndef OPENSSL_NO_SRP
+ int srp_no_username =0;
+#endif
RAND_add(&Time,sizeof(Time),0);
ERR_clear_error();
case SSL3_ST_SR_CLNT_HELLO_A:
case SSL3_ST_SR_CLNT_HELLO_B:
case SSL3_ST_SR_CLNT_HELLO_C:
+#ifndef OPENSSL_NO_SRP
+ case SSL3_ST_SR_CLNT_HELLO_SRP_USERNAME:
+#endif
s->shutdown=0;
ret=ssl3_get_client_hello(s);
if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_SRP
+ {
+ int extension_error = 0,al;
+
+ if ((al = SSL_check_srp_ext_ClientHello(s,&extension_error)) != SSL_ERROR_NONE)
+ {
+ ssl3_send_alert(s,al,extension_error);
+ if (extension_error == SSL_AD_MISSING_SRP_USERNAME)
+ {
+ if (srp_no_username) goto end;
+ ERR_clear_error();
+ srp_no_username = 1;
+ s->state=SSL3_ST_SR_CLNT_HELLO_SRP_USERNAME;
+ if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
+ if ((ret=BIO_flush(s->wbio)) <= 0) goto end;
+ s->init_num=0;
+ break;
+ }
+ ret = -1;
+ SSLerr(SSL_F_SSL3_ACCEPT,SSL_R_CLIENTHELLO_TLSEXT);
+ goto end;
+ }
+ }
+#endif
s->renegotiate = 2;
s->state=SSL3_ST_SW_SRVR_HELLO_A;
case SSL3_ST_SW_CERT_A:
case SSL3_ST_SW_CERT_B:
/* Check if it is anon DH or anon ECDH, */
- /* normal PSK or KRB5 */
+ /* normal PSK or KRB5 or SRP */
if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)
&& !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)
&& !(s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
* hint if provided */
#ifndef OPENSSL_NO_PSK
|| ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint)
+#endif
+#ifndef OPENSSL_NO_SRP
+ /* SRP: send ServerKeyExchange */
+ || (alg_k & SSL_kSRP)
#endif
|| (alg_k & (SSL_kDHr|SSL_kDHd|SSL_kEDH))
|| (alg_k & SSL_kEECDH)
* If we are SSLv3, we will respond with SSLv3, even if prompted with
* TLSv1.
*/
- if (s->state == SSL3_ST_SR_CLNT_HELLO_A)
+ if (s->state == SSL3_ST_SR_CLNT_HELLO_A
+#ifndef OPENSSL_NO_SRP
+ || (s->state == SSL3_ST_SR_CLNT_HELLO_SRP_USERNAME)
+#endif
+ )
{
s->state=SSL3_ST_SR_CLNT_HELLO_B;
}
}
else
#endif /* !OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ if (type & SSL_kSRP)
+ {
+ if ((s->srp_ctx.N == NULL) ||
+ (s->srp_ctx.g == NULL) ||
+ (s->srp_ctx.s == NULL) ||
+ (s->srp_ctx.B == NULL))
+ {
+ SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_MISSING_SRP_PARAM);
+ goto err;
+ }
+ r[0]=s->srp_ctx.N;
+ r[1]=s->srp_ctx.g;
+ r[2]=s->srp_ctx.s;
+ r[3]=s->srp_ctx.B;
+ }
+ else
+#endif
{
al=SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE,SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);
goto f_err;
}
- for (i=0; r[i] != NULL; i++)
+ for (i=0; r[i] != NULL && i<4; i++)
{
nr[i]=BN_num_bytes(r[i]);
+#ifndef OPENSSL_NO_SRP
+ if ((i == 2) && (type & SSL_kSRP))
+ n+=1+nr[i];
+ else
+#endif
n+=2+nr[i];
}
d=(unsigned char *)s->init_buf->data;
p= &(d[4]);
- for (i=0; r[i] != NULL; i++)
+ for (i=0; r[i] != NULL && i<4; i++)
{
+#ifndef OPENSSL_NO_SRP
+ if ((i == 2) && (type & SSL_kSRP))
+ {
+ *p = nr[i];
+ p++;
+ }
+ else
+#endif
s2n(nr[i],p);
BN_bn2bin(r[i],p);
p+=nr[i];
}
else
#endif
+#ifndef OPENSSL_NO_SRP
+ if (alg_k & SSL_kSRP)
+ {
+ int param_len;
+
+ n2s(p,i);
+ param_len=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,SSL_R_BAD_SRP_A_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.A=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ if (s->session->srp_username != NULL)
+ OPENSSL_free(s->session->srp_username);
+ s->session->srp_username = BUF_strdup(s->srp_ctx.login);
+ if (s->session->srp_username == NULL)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if ((s->session->master_key_length = SRP_generate_server_master_secret(s,s->session->master_key))<0)
+ {
+ SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ p+=i;
+ }
+ else
+#endif /* OPENSSL_NO_SRP */
if (alg_k & SSL_kGOST)
{
int ret = 0;
return(1);
f_err:
ssl3_send_alert(s,SSL3_AL_FATAL,al);
-#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_ECDH)
+#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_SRP)
err:
#endif
#ifndef OPENSSL_NO_ECDH
projects / openssl.git / blobdiff