Add SRP support.
diff --git a/ssl/Makefile b/ssl/Makefile
index 1c73dcc..f046035 100644
--- a/ssl/Makefile
+++ b/ssl/Makefile
@@ -30,7 +30,7 @@
ssl_lib.c ssl_err2.c ssl_cert.c ssl_sess.c \
ssl_ciph.c ssl_stat.c ssl_rsa.c \
ssl_asn1.c ssl_txt.c ssl_algs.c \
- bio_ssl.c ssl_err.c kssl.c t1_reneg.c
+ bio_ssl.c ssl_err.c kssl.c t1_reneg.c tls_srp.c
LIBOBJ= \
s2_meth.o s2_srvr.o s2_clnt.o s2_lib.o s2_enc.o s2_pkt.o \
s3_meth.o s3_srvr.o s3_clnt.o s3_lib.o s3_enc.o s3_pkt.o s3_both.o \
@@ -41,7 +41,7 @@
ssl_lib.o ssl_err2.o ssl_cert.o ssl_sess.o \
ssl_ciph.o ssl_stat.o ssl_rsa.o \
ssl_asn1.o ssl_txt.o ssl_algs.o \
- bio_ssl.o ssl_err.o kssl.o t1_reneg.o
+ bio_ssl.o ssl_err.o kssl.o t1_reneg.o tls_srp.o
SRC= $(LIBSRC)
@@ -163,7 +163,7 @@
d1_clnt.o: ../include/openssl/ssl23.h ../include/openssl/ssl3.h
d1_clnt.o: ../include/openssl/stack.h ../include/openssl/symhacks.h
d1_clnt.o: ../include/openssl/tls1.h ../include/openssl/x509.h
-d1_clnt.o: ../include/openssl/x509_vfy.h d1_clnt.c kssl_lcl.h ssl_locl.h
+d1_clnt.o: ../include/openssl/x509_vfy.h d1_clnt.c ssl_locl.h
d1_enc.o: ../e_os.h ../include/openssl/asn1.h ../include/openssl/bio.h
d1_enc.o: ../include/openssl/buffer.h ../include/openssl/comp.h
d1_enc.o: ../include/openssl/crypto.h ../include/openssl/dsa.h
@@ -625,20 +625,19 @@
s3_srvr.o: ../include/openssl/ec.h ../include/openssl/ecdh.h
s3_srvr.o: ../include/openssl/ecdsa.h ../include/openssl/err.h
s3_srvr.o: ../include/openssl/evp.h ../include/openssl/hmac.h
-s3_srvr.o: ../include/openssl/krb5_asn.h ../include/openssl/kssl.h
-s3_srvr.o: ../include/openssl/lhash.h ../include/openssl/md5.h
-s3_srvr.o: ../include/openssl/obj_mac.h ../include/openssl/objects.h
-s3_srvr.o: ../include/openssl/opensslconf.h ../include/openssl/opensslv.h
-s3_srvr.o: ../include/openssl/ossl_typ.h ../include/openssl/pem.h
-s3_srvr.o: ../include/openssl/pem2.h ../include/openssl/pkcs7.h
-s3_srvr.o: ../include/openssl/pqueue.h ../include/openssl/rand.h
-s3_srvr.o: ../include/openssl/rsa.h ../include/openssl/safestack.h
-s3_srvr.o: ../include/openssl/sha.h ../include/openssl/ssl.h
-s3_srvr.o: ../include/openssl/ssl2.h ../include/openssl/ssl23.h
-s3_srvr.o: ../include/openssl/ssl3.h ../include/openssl/stack.h
-s3_srvr.o: ../include/openssl/symhacks.h ../include/openssl/tls1.h
-s3_srvr.o: ../include/openssl/x509.h ../include/openssl/x509_vfy.h kssl_lcl.h
-s3_srvr.o: s3_srvr.c ssl_locl.h
+s3_srvr.o: ../include/openssl/kssl.h ../include/openssl/lhash.h
+s3_srvr.o: ../include/openssl/md5.h ../include/openssl/obj_mac.h
+s3_srvr.o: ../include/openssl/objects.h ../include/openssl/opensslconf.h
+s3_srvr.o: ../include/openssl/opensslv.h ../include/openssl/ossl_typ.h
+s3_srvr.o: ../include/openssl/pem.h ../include/openssl/pem2.h
+s3_srvr.o: ../include/openssl/pkcs7.h ../include/openssl/pqueue.h
+s3_srvr.o: ../include/openssl/rand.h ../include/openssl/rsa.h
+s3_srvr.o: ../include/openssl/safestack.h ../include/openssl/sha.h
+s3_srvr.o: ../include/openssl/ssl.h ../include/openssl/ssl2.h
+s3_srvr.o: ../include/openssl/ssl23.h ../include/openssl/ssl3.h
+s3_srvr.o: ../include/openssl/stack.h ../include/openssl/symhacks.h
+s3_srvr.o: ../include/openssl/tls1.h ../include/openssl/x509.h
+s3_srvr.o: ../include/openssl/x509_vfy.h kssl_lcl.h s3_srvr.c ssl_locl.h
ssl_algs.o: ../e_os.h ../include/openssl/asn1.h ../include/openssl/bio.h
ssl_algs.o: ../include/openssl/buffer.h ../include/openssl/comp.h
ssl_algs.o: ../include/openssl/crypto.h ../include/openssl/dsa.h
@@ -974,3 +973,24 @@
t1_srvr.o: ../include/openssl/symhacks.h ../include/openssl/tls1.h
t1_srvr.o: ../include/openssl/x509.h ../include/openssl/x509_vfy.h ssl_locl.h
t1_srvr.o: t1_srvr.c
+tls_srp.o: ../e_os.h ../include/openssl/asn1.h ../include/openssl/bio.h
+tls_srp.o: ../include/openssl/bn.h ../include/openssl/buffer.h
+tls_srp.o: ../include/openssl/comp.h ../include/openssl/crypto.h
+tls_srp.o: ../include/openssl/dsa.h ../include/openssl/dtls1.h
+tls_srp.o: ../include/openssl/e_os2.h ../include/openssl/ec.h
+tls_srp.o: ../include/openssl/ecdh.h ../include/openssl/ecdsa.h
+tls_srp.o: ../include/openssl/err.h ../include/openssl/evp.h
+tls_srp.o: ../include/openssl/hmac.h ../include/openssl/kssl.h
+tls_srp.o: ../include/openssl/lhash.h ../include/openssl/obj_mac.h
+tls_srp.o: ../include/openssl/objects.h ../include/openssl/opensslconf.h
+tls_srp.o: ../include/openssl/opensslv.h ../include/openssl/ossl_typ.h
+tls_srp.o: ../include/openssl/pem.h ../include/openssl/pem2.h
+tls_srp.o: ../include/openssl/pkcs7.h ../include/openssl/pqueue.h
+tls_srp.o: ../include/openssl/rand.h ../include/openssl/rsa.h
+tls_srp.o: ../include/openssl/safestack.h ../include/openssl/sha.h
+tls_srp.o: ../include/openssl/srp.h ../include/openssl/ssl.h
+tls_srp.o: ../include/openssl/ssl2.h ../include/openssl/ssl23.h
+tls_srp.o: ../include/openssl/ssl3.h ../include/openssl/stack.h
+tls_srp.o: ../include/openssl/symhacks.h ../include/openssl/tls1.h
+tls_srp.o: ../include/openssl/x509.h ../include/openssl/x509_vfy.h ssl_locl.h
+tls_srp.o: tls_srp.c
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index fe33013..e0b9d91 100644
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -278,6 +278,20 @@
case SSL3_ST_CR_SRVR_HELLO_A:
case SSL3_ST_CR_SRVR_HELLO_B:
ret=ssl3_get_server_hello(s);
+#ifndef OPENSSL_NO_SRP
+ if ((ret == 0) && (s->s3->warn_alert == SSL_AD_MISSING_SRP_USERNAME))
+ {
+ if (!SRP_have_to_put_srp_username(s))
+ {
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_MISSING_SRP_USERNAME);
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_USER_CANCELLED);
+ goto end;
+ }
+ s->state=SSL3_ST_CW_CLNT_HELLO_A;
+ if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
+ break;
+ }
+#endif
if (ret <= 0) goto end;
if (s->hit)
@@ -359,6 +373,17 @@
case SSL3_ST_CR_SRVR_DONE_B:
ret=ssl3_get_server_done(s);
if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_SRP
+ if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kSRP)
+ {
+ if ((ret = SRP_Calc_A_param(s))<=0)
+ {
+ SSLerr(SSL_F_SSL3_GET_SERVER_DONE,SSL_R_SRP_A_CALC);
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR);
+ goto end;
+ }
+ }
+#endif
if (s->s3->tmp.cert_req)
s->state=SSL3_ST_CW_CERT_A;
else
@@ -1301,6 +1326,86 @@
}
else
#endif /* !OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ if (alg_k & SSL_kSRP)
+ {
+ n2s(p,i);
+ param_len=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_N_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.N=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ n2s(p,i);
+ param_len+=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_G_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.g=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ i = (unsigned int)(p[0]);
+ p++;
+ param_len+=i+1;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_S_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.s=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+
+ n2s(p,i);
+ param_len+=i+2;
+ if (param_len > n)
+ {
+ al=SSL_AD_DECODE_ERROR;
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SRP_B_LENGTH);
+ goto f_err;
+ }
+ if (!(s->srp_ctx.B=BN_bin2bn(p,i,NULL)))
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_BN_LIB);
+ goto err;
+ }
+ p+=i;
+ n-=param_len;
+
+/* We must check if there is a certificate */
+#ifndef OPENSSL_NO_RSA
+ if (alg_a & SSL_aRSA)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
+#else
+ if (0)
+ ;
+#endif
+#ifndef OPENSSL_NO_DSA
+ else if (alg_a & SSL_aDSS)
+ pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);
+#endif
+ }
+ else
+#endif /* !OPENSSL_NO_SRP */
#ifndef OPENSSL_NO_RSA
if (alg_k & SSL_kRSA)
{
@@ -2570,6 +2675,39 @@
EVP_PKEY_free(pub_key);
}
+#ifndef OPENSSL_NO_SRP
+ else if (alg_k & SSL_kSRP)
+ {
+ if (s->srp_ctx.A != NULL)
+ {
+ /* send off the data */
+ n=BN_num_bytes(s->srp_ctx.A);
+ s2n(n,p);
+ BN_bn2bin(s->srp_ctx.A,p);
+ n+=2;
+ }
+ else
+ {
+ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ 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_SEND_CLIENT_KEY_EXCHANGE,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if ((s->session->master_key_length = SRP_generate_client_master_secret(s,s->session->master_key))<0)
+ {
+ SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ }
+#endif
#ifndef OPENSSL_NO_PSK
else if (alg_k & SSL_kPSK)
{
diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index 53bf4c2..f3d230b 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -2012,6 +2012,152 @@
},
#endif /* OPENSSL_NO_ECDH */
+#ifndef OPENSSL_NO_SRP
+ /* Cipher C01A */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
+ TLS1_CK_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
+ SSL_kSRP,
+ SSL_aNULL,
+ SSL_3DES,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 168,
+ 168,
+ },
+
+ /* Cipher C01B */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
+ TLS1_CK_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
+ SSL_kSRP,
+ SSL_aRSA,
+ SSL_3DES,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 168,
+ 168,
+ },
+
+ /* Cipher C01C */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
+ TLS1_CK_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
+ SSL_kSRP,
+ SSL_aDSS,
+ SSL_3DES,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 168,
+ 168,
+ },
+
+ /* Cipher C01D */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_WITH_AES_128_CBC_SHA,
+ TLS1_CK_SRP_SHA_WITH_AES_128_CBC_SHA,
+ SSL_kSRP,
+ SSL_aNULL,
+ SSL_AES128,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 128,
+ 128,
+ },
+
+ /* Cipher C01E */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
+ TLS1_CK_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
+ SSL_kSRP,
+ SSL_aRSA,
+ SSL_AES128,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 128,
+ 128,
+ },
+
+ /* Cipher C01F */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
+ TLS1_CK_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
+ SSL_kSRP,
+ SSL_aDSS,
+ SSL_AES128,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 128,
+ 128,
+ },
+
+ /* Cipher C020 */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_WITH_AES_256_CBC_SHA,
+ TLS1_CK_SRP_SHA_WITH_AES_256_CBC_SHA,
+ SSL_kSRP,
+ SSL_aNULL,
+ SSL_AES256,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 256,
+ 256,
+ },
+
+ /* Cipher C021 */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
+ TLS1_CK_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
+ SSL_kSRP,
+ SSL_aRSA,
+ SSL_AES256,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 256,
+ 256,
+ },
+
+ /* Cipher C022 */
+ {
+ 1,
+ TLS1_TXT_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
+ TLS1_CK_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
+ SSL_kSRP,
+ SSL_aDSS,
+ SSL_AES256,
+ SSL_SHA1,
+ SSL_TLSV1,
+ SSL_NOT_EXP|SSL_HIGH,
+ SSL_HANDSHAKE_MAC_DEFAULT|TLS1_PRF,
+ 256,
+ 256,
+ },
+#endif /* OPENSSL_NO_SRP */
+
#ifdef TEMP_GOST_TLS
/* Cipher FF00 */
{
@@ -2128,6 +2274,9 @@
s->s3=s3;
+#ifndef OPENSSL_NO_SRP
+ SSL_SRP_CTX_init(s);
+#endif
s->method->ssl_clear(s);
return(1);
err:
@@ -2168,6 +2317,9 @@
BIO_free(s->s3->handshake_buffer);
}
if (s->s3->handshake_dgst) ssl3_free_digest_list(s);
+#ifndef OPENSSL_NO_SRP
+ SSL_SRP_CTX_free(s);
+#endif
OPENSSL_cleanse(s->s3,sizeof *s->s3);
OPENSSL_free(s->s3);
s->s3=NULL;
@@ -2241,6 +2393,13 @@
#endif
}
+#ifndef OPENSSL_NO_SRP
+static char * MS_CALLBACK srp_password_from_info_cb(SSL *s, void *arg)
+ {
+ return BUF_strdup(s->srp_ctx.info) ;
+ }
+#endif
+
long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
{
int ret=0;
@@ -2723,6 +2882,38 @@
return 1;
break;
+#ifndef OPENSSL_NO_SRP
+ case SSL_CTRL_SET_TLS_EXT_SRP_USERNAME:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ if (ctx->srp_ctx.login != NULL)
+ OPENSSL_free(ctx->srp_ctx.login);
+ ctx->srp_ctx.login = NULL;
+ if (parg == NULL)
+ break;
+ if (strlen((char *)parg) > 254)
+ {
+ SSLerr(SSL_F_SSL3_CTX_CTRL, SSL_R_INVALID_SRP_USERNAME);
+ return 0;
+ }
+ if ((ctx->srp_ctx.login = BUF_strdup((char *)parg)) == NULL)
+ {
+ SSLerr(SSL_F_SSL3_CTX_CTRL, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ break;
+ case SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD:
+ ctx->srp_ctx.SRP_give_srp_client_pwd_callback=srp_password_from_info_cb;
+ ctx->srp_ctx.info=parg;
+ break;
+ case SSL_CTRL_SET_SRP_ARG:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ ctx->srp_ctx.SRP_cb_arg=parg;
+ break;
+
+ case SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH:
+ ctx->srp_ctx.strength=larg;
+ break;
+#endif
#endif /* !OPENSSL_NO_TLSEXT */
/* A Thawte special :-) */
@@ -2792,6 +2983,24 @@
HMAC_CTX *, int))fp;
break;
+#ifndef OPENSSL_NO_SRP
+ case SSL_CTRL_SET_SRP_VERIFY_PARAM_CB:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ ctx->srp_ctx.SRP_verify_param_callback=(int (*)(SSL *,void *))fp;
+ break;
+ case SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ ctx->srp_ctx.TLS_ext_srp_username_callback=(int (*)(SSL *,int *,void *))fp;
+ break;
+ case SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ ctx->srp_ctx.SRP_give_srp_client_pwd_callback=(char *(*)(SSL *,void *))fp;
+ break;
+ case SSL_CTRL_SET_TLS_EXT_SRP_MISSING_CLIENT_USERNAME_CB:
+ ctx->srp_ctx.srp_Mask|=SSL_kSRP;
+ ctx->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback=(char *(*)(SSL *,void *))fp;
+ break;
+#endif
#endif
case SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB:
{
@@ -2897,6 +3106,10 @@
mask_a = cert->mask_a;
emask_k = cert->export_mask_k;
emask_a = cert->export_mask_a;
+#ifndef OPENSSL_NO_SRP
+ mask_k=cert->mask_k | s->srp_ctx.srp_Mask;
+ emask_k=cert->export_mask_k | s->srp_ctx.srp_Mask;
+#endif
#ifdef KSSL_DEBUG
/* printf("ssl3_choose_cipher %d alg= %lx\n", i,c->algorithms);*/
diff --git a/ssl/s3_pkt.c b/ssl/s3_pkt.c
index a168f93..536d094 100644
--- a/ssl/s3_pkt.c
+++ b/ssl/s3_pkt.c
@@ -1203,6 +1203,10 @@
SSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_NO_RENEGOTIATION);
goto f_err;
}
+#ifdef SSL_AD_MISSING_SRP_USERNAME
+ else if (alert_descr == SSL_AD_MISSING_SRP_USERNAME)
+ return(0);
+#endif
}
else if (alert_level == 2) /* fatal */
{
diff --git a/ssl/s3_srvr.c b/ssl/s3_srvr.c
index fed90bc..3a3e7f9 100644
--- a/ssl/s3_srvr.c
+++ b/ssl/s3_srvr.c
@@ -180,6 +180,31 @@
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,
@@ -192,6 +217,9 @@
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();
@@ -312,10 +340,37 @@
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_GET_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
+ goto end;
+ }
+ }
+#endif
s->renegotiate = 2;
s->state=SSL3_ST_SW_SRVR_HELLO_A;
@@ -346,7 +401,7 @@
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))
@@ -411,6 +466,10 @@
#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)
|| ((alg_k & SSL_kRSA)
@@ -837,7 +896,11 @@
* 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;
}
@@ -1710,14 +1773,37 @@
}
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];
}
@@ -1746,8 +1832,16 @@
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];
@@ -2623,6 +2717,44 @@
}
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_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_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_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ p+=i;
+ }
+ else
+#endif /* OPENSSL_NO_SRP */
if (alg_k & SSL_kGOST)
{
int ret = 0;
@@ -2706,7 +2838,7 @@
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
diff --git a/ssl/ssl.h b/ssl/ssl.h
index e036390..de5027f 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -252,6 +252,7 @@
#define SSL_TXT_kEECDH "kEECDH"
#define SSL_TXT_kPSK "kPSK"
#define SSL_TXT_kGOST "kGOST"
+#define SSL_TXT_kSRP "kSRP"
#define SSL_TXT_aRSA "aRSA"
#define SSL_TXT_aDSS "aDSS"
@@ -275,6 +276,7 @@
#define SSL_TXT_ECDSA "ECDSA"
#define SSL_TXT_KRB5 "KRB5"
#define SSL_TXT_PSK "PSK"
+#define SSL_TXT_SRP "SRP"
#define SSL_TXT_DES "DES"
#define SSL_TXT_3DES "3DES"
@@ -437,6 +439,7 @@
* ECPointFormatList [ 7 ] OCTET STRING, -- optional EC point format list from TLS extension
* PSK_identity_hint [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
* PSK_identity [ 9 ] EXPLICIT OCTET STRING -- optional PSK identity
+ * SRP_username [ 11 ] EXPLICIT OCTET STRING -- optional SRP username
* }
* Look in ssl/ssl_asn1.c for more details
* I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
@@ -516,6 +519,9 @@
size_t tlsext_ticklen; /* Session ticket length */
long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */
#endif
+#ifndef OPENSSL_NO_SRP
+ char *srp_username;
+#endif
} SSL_SESSION;
@@ -647,7 +653,42 @@
#define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
#define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
+#ifndef OPENSSL_NO_SRP
+typedef struct srp_ctx_st
+ {
+ /* param for all the callbacks */
+ void *SRP_cb_arg;
+ /* set client Hello login callback */
+ int (*TLS_ext_srp_username_callback)(SSL *, int *, void *);
+ /* set SRP N/g param callback for verification */
+ int (*SRP_verify_param_callback)(SSL *, void *);
+ /* set SRP client passwd callback */
+ char *(*SRP_give_srp_client_pwd_callback)(SSL *, void *);
+ /* set SRP client username callback */
+ char *(*SRP_TLS_ext_missing_srp_client_username_callback)(SSL *, void *);
+
+ char *login;
+ BIGNUM *N,*g,*s,*B,*A;
+ BIGNUM *a,*b,*v;
+ char *info;
+ int strength;
+
+ unsigned long srp_Mask;
+ } SRP_CTX;
+
+/* see tls_srp.c */
+int SSL_SRP_CTX_init(SSL *s);
+int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
+int SSL_SRP_CTX_free(SSL *ctx);
+int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
+int SSL_srp_server_param_with_username(SSL *s, int *ad);
+int SRP_generate_server_master_secret(SSL *s,unsigned char *master_key);
+int SRP_Calc_A_param(SSL *s);
+int SRP_generate_client_master_secret(SSL *s,unsigned char *master_key);
+int SRP_have_to_put_srp_username(SSL *s);
+
+#endif
#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
#define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
@@ -895,6 +936,9 @@
struct ssl3_buf_freelist_st *wbuf_freelist;
struct ssl3_buf_freelist_st *rbuf_freelist;
#endif
+#ifndef OPENSSL_NO_SRP
+ SRP_CTX srp_ctx; /* ctx for SRP authentication */
+#endif
};
#define SSL_SESS_CACHE_OFF 0x0000
@@ -1247,6 +1291,9 @@
unsigned char *next_proto_negotiated;
unsigned char next_proto_negotiated_len;
#endif
+#ifndef OPENSSL_NO_SRP
+ SRP_CTX srp_ctx; /* ctx for SRP authentication */
+#endif
#define session_ctx initial_ctx
#else
@@ -1396,6 +1443,8 @@
#define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
#define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
#define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
+#define SSL_AD_UNKNOWN_SRP_USERNAME TLS1_AD_UNKNOWN_SRP_USERNAME
+#define SSL_AD_MISSING_SRP_USERNAME TLS1_AD_MISSING_SRP_USERNAME
#define SSL_ERROR_NONE 0
#define SSL_ERROR_SSL 1
@@ -1479,6 +1528,15 @@
#define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP 71
#define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB 72
+
+#define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB 75
+#define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB 76
+#define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB 77
+#define SSL_CTRL_SET_TLS_EXT_SRP_MISSING_CLIENT_USERNAME_CB 78
+#define SSL_CTRL_SET_SRP_ARG 79
+#define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 80
+#define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 81
+#define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 82
#endif
#define DTLS_CTRL_GET_TIMEOUT 73
@@ -1684,6 +1742,32 @@
int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
+#ifndef OPENSSL_NO_SRP
+int SSL_CTX_set_srp_username(SSL_CTX *ctx,char *name);
+int SSL_CTX_set_srp_password(SSL_CTX *ctx,char *password);
+int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
+int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
+ char *(*cb)(SSL *,void *));
+int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
+ int (*cb)(SSL *,void *));
+int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
+ int (*cb)(SSL *,int *,void *));
+int SSL_CTX_set_srp_missing_srp_username_callback(SSL_CTX *ctx,
+ char *(*cb)(SSL *,void *));
+int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
+
+int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
+ BIGNUM *sa, BIGNUM *v, char *info);
+int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
+ const char *grp);
+
+BIGNUM *SSL_get_srp_g(SSL *s);
+BIGNUM *SSL_get_srp_N(SSL *s);
+
+char *SSL_get_srp_username(SSL *s);
+char *SSL_get_srp_userinfo(SSL *s);
+#endif
+
void SSL_free(SSL *ssl);
int SSL_accept(SSL *ssl);
int SSL_connect(SSL *ssl);
@@ -2083,6 +2167,7 @@
#define SSL_F_SSL_SET_TRUST 228
#define SSL_F_SSL_SET_WFD 196
#define SSL_F_SSL_SHUTDOWN 224
+#define SSL_F_SSL_SRP_CTX_INIT 293
#define SSL_F_SSL_UNDEFINED_CONST_FUNCTION 243
#define SSL_F_SSL_UNDEFINED_FUNCTION 197
#define SSL_F_SSL_UNDEFINED_VOID_FUNCTION 244
@@ -2141,6 +2226,11 @@
#define SSL_R_BAD_RSA_MODULUS_LENGTH 121
#define SSL_R_BAD_RSA_SIGNATURE 122
#define SSL_R_BAD_SIGNATURE 123
+#define SSL_R_BAD_SRP_A_LENGTH 2096
+#define SSL_R_BAD_SRP_B_LENGTH 2097
+#define SSL_R_BAD_SRP_G_LENGTH 2098
+#define SSL_R_BAD_SRP_N_LENGTH 2099
+#define SSL_R_BAD_SRP_S_LENGTH 2100
#define SSL_R_BAD_SSL_FILETYPE 124
#define SSL_R_BAD_SSL_SESSION_ID_LENGTH 125
#define SSL_R_BAD_STATE 126
@@ -2157,6 +2247,7 @@
#define SSL_R_CIPHER_CODE_WRONG_LENGTH 137
#define SSL_R_CIPHER_OR_HASH_UNAVAILABLE 138
#define SSL_R_CIPHER_TABLE_SRC_ERROR 139
+#define SSL_R_CLIENTHELLO_SRP_TLS_EXT 2101
#define SSL_R_CLIENTHELLO_TLSEXT 226
#define SSL_R_COMPRESSED_LENGTH_TOO_LONG 140
#define SSL_R_COMPRESSION_DISABLED 343
@@ -2195,6 +2286,7 @@
#define SSL_R_INVALID_COMMAND 280
#define SSL_R_INVALID_COMPRESSION_ALGORITHM 341
#define SSL_R_INVALID_PURPOSE 278
+#define SSL_R_INVALID_SRP_USERNAME 2107
#define SSL_R_INVALID_STATUS_RESPONSE 328
#define SSL_R_INVALID_TICKET_KEYS_LENGTH 325
#define SSL_R_INVALID_TRUST 279
@@ -2224,6 +2316,8 @@
#define SSL_R_MISSING_RSA_CERTIFICATE 168
#define SSL_R_MISSING_RSA_ENCRYPTING_CERT 169
#define SSL_R_MISSING_RSA_SIGNING_CERT 170
+#define SSL_R_MISSING_SRP_PARAM 2103
+#define SSL_R_MISSING_SRP_USERNAME 2104
#define SSL_R_MISSING_TMP_DH_KEY 171
#define SSL_R_MISSING_TMP_ECDH_KEY 311
#define SSL_R_MISSING_TMP_RSA_KEY 172
@@ -2296,6 +2390,7 @@
#define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED 277
#define SSL_R_SHORT_READ 219
#define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE 220
+#define SSL_R_SRP_A_CALC 2105
#define SSL_R_SSL23_DOING_SESSION_ID_REUSE 221
#define SSL_R_SSL2_CONNECTION_ID_TOO_LONG 299
#define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT 321
diff --git a/ssl/ssl3.h b/ssl/ssl3.h
index 7c0a595..4ff7c80 100644
--- a/ssl/ssl3.h
+++ b/ssl/ssl3.h
@@ -576,6 +576,8 @@
#define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
#define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
+/* a new state to remember that we have already receive a ClientHello without srp username extension */
+#define SSL3_ST_SR_CLNT_HELLO_SRP_USERNAME (0x1E2|SSL_ST_ACCEPT)
/* write to client */
#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
index 74c238a..d02c3af 100644
--- a/ssl/ssl_asn1.c
+++ b/ssl/ssl_asn1.c
@@ -115,6 +115,9 @@
ASN1_OCTET_STRING psk_identity_hint;
ASN1_OCTET_STRING psk_identity;
#endif /* OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ ASN1_OCTET_STRING srp_username;
+#endif /* OPENSSL_NO_SRP */
} SSL_SESSION_ASN1;
int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
@@ -131,6 +134,9 @@
unsigned char cbuf;
int v11=0;
#endif
+#ifndef OPENSSL_NO_SRP
+ int v12=0;
+#endif
long l;
SSL_SESSION_ASN1 a;
M_ASN1_I2D_vars(in);
@@ -268,6 +274,14 @@
a.psk_identity.data=(unsigned char *)(in->psk_identity);
}
#endif /* OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ if (in->srp_username)
+ {
+ a.srp_username.length=strlen(in->srp_username);
+ a.srp_username.type=V_ASN1_OCTET_STRING;
+ a.srp_username.data=(unsigned char *)(in->srp_username);
+ }
+#endif /* OPENSSL_NO_SRP */
M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
@@ -308,6 +322,10 @@
if (in->psk_identity)
M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,8,v8);
#endif /* OPENSSL_NO_PSK */
+#ifndef OPENSSL_NO_SRP
+ if (in->srp_username)
+ M_ASN1_I2D_len_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING,12,v12);
+#endif /* OPENSSL_NO_SRP */
M_ASN1_I2D_seq_total();
@@ -352,6 +370,10 @@
if (in->compress_meth)
M_ASN1_I2D_put_EXP_opt(&(a.comp_id), i2d_ASN1_OCTET_STRING,11,v11);
#endif
+#ifndef OPENSSL_NO_SRP
+ if (in->srp_username)
+ M_ASN1_I2D_put_EXP_opt(&(a.srp_username), i2d_ASN1_OCTET_STRING,12,v12);
+#endif /* OPENSSL_NO_SRP */
M_ASN1_I2D_finish();
}
@@ -589,5 +611,20 @@
}
#endif
+#ifndef OPENSSL_NO_SRP
+ os.length=0;
+ os.data=NULL;
+ M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,11);
+ if (os.data)
+ {
+ ret->srp_username = BUF_strndup((char *)os.data, os.length);
+ OPENSSL_free(os.data);
+ os.data = NULL;
+ os.length = 0;
+ }
+ else
+ ret->srp_username=NULL;
+#endif /* OPENSSL_NO_SRP */
+
M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
}
diff --git a/ssl/ssl_ciph.c b/ssl/ssl_ciph.c
index a8ce186..bbab6a9 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -247,6 +247,7 @@
{0,SSL_TXT_ECDH,0, SSL_kECDHr|SSL_kECDHe|SSL_kEECDH,0,0,0,0,0,0,0,0},
{0,SSL_TXT_kPSK,0, SSL_kPSK, 0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_kSRP,0, SSL_kSRP, 0,0,0,0,0,0,0,0},
{0,SSL_TXT_kGOST,0, SSL_kGOST,0,0,0,0,0,0,0,0},
/* server authentication aliases */
@@ -273,6 +274,7 @@
{0,SSL_TXT_ADH,0, SSL_kEDH,SSL_aNULL,0,0,0,0,0,0,0},
{0,SSL_TXT_AECDH,0, SSL_kEECDH,SSL_aNULL,0,0,0,0,0,0,0},
{0,SSL_TXT_PSK,0, SSL_kPSK,SSL_aPSK,0,0,0,0,0,0,0},
+ {0,SSL_TXT_SRP,0, SSL_kSRP,0,0,0,0,0,0,0,0},
/* symmetric encryption aliases */
@@ -661,6 +663,9 @@
*mkey |= SSL_kPSK;
*auth |= SSL_aPSK;
#endif
+#ifdef OPENSSL_NO_SRP
+ *mkey |= SSL_kSRP;
+#endif
/* Check for presence of GOST 34.10 algorithms, and if they
* do not present, disable appropriate auth and key exchange */
if (!get_optional_pkey_id("gost94")) {
@@ -1511,6 +1516,9 @@
case SSL_kPSK:
kx="PSK";
break;
+ case SSL_kSRP:
+ kx="SRP";
+ break;
default:
kx="unknown";
}
diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c
index 414f9d9..492920c 100644
--- a/ssl/ssl_err.c
+++ b/ssl/ssl_err.c
@@ -251,6 +251,7 @@
{ERR_FUNC(SSL_F_SSL_SET_TRUST), "SSL_set_trust"},
{ERR_FUNC(SSL_F_SSL_SET_WFD), "SSL_set_wfd"},
{ERR_FUNC(SSL_F_SSL_SHUTDOWN), "SSL_shutdown"},
+{ERR_FUNC(SSL_F_SSL_SRP_CTX_INIT), "SSL_SRP_CTX_INIT"},
{ERR_FUNC(SSL_F_SSL_UNDEFINED_CONST_FUNCTION), "SSL_UNDEFINED_CONST_FUNCTION"},
{ERR_FUNC(SSL_F_SSL_UNDEFINED_FUNCTION), "SSL_UNDEFINED_FUNCTION"},
{ERR_FUNC(SSL_F_SSL_UNDEFINED_VOID_FUNCTION), "SSL_UNDEFINED_VOID_FUNCTION"},
@@ -312,6 +313,11 @@
{ERR_REASON(SSL_R_BAD_RSA_MODULUS_LENGTH),"bad rsa modulus length"},
{ERR_REASON(SSL_R_BAD_RSA_SIGNATURE) ,"bad rsa signature"},
{ERR_REASON(SSL_R_BAD_SIGNATURE) ,"bad signature"},
+{ERR_REASON(SSL_R_BAD_SRP_A_LENGTH) ,"bad srp a length"},
+{ERR_REASON(SSL_R_BAD_SRP_B_LENGTH) ,"bad srp b length"},
+{ERR_REASON(SSL_R_BAD_SRP_G_LENGTH) ,"bad srp g length"},
+{ERR_REASON(SSL_R_BAD_SRP_N_LENGTH) ,"bad srp n length"},
+{ERR_REASON(SSL_R_BAD_SRP_S_LENGTH) ,"bad srp s length"},
{ERR_REASON(SSL_R_BAD_SSL_FILETYPE) ,"bad ssl filetype"},
{ERR_REASON(SSL_R_BAD_SSL_SESSION_ID_LENGTH),"bad ssl session id length"},
{ERR_REASON(SSL_R_BAD_STATE) ,"bad state"},
@@ -328,6 +334,7 @@
{ERR_REASON(SSL_R_CIPHER_CODE_WRONG_LENGTH),"cipher code wrong length"},
{ERR_REASON(SSL_R_CIPHER_OR_HASH_UNAVAILABLE),"cipher or hash unavailable"},
{ERR_REASON(SSL_R_CIPHER_TABLE_SRC_ERROR),"cipher table src error"},
+{ERR_REASON(SSL_R_CLIENTHELLO_SRP_TLS_EXT),"error with the SRP username"},
{ERR_REASON(SSL_R_CLIENTHELLO_TLSEXT) ,"clienthello tlsext"},
{ERR_REASON(SSL_R_COMPRESSED_LENGTH_TOO_LONG),"compressed length too long"},
{ERR_REASON(SSL_R_COMPRESSION_DISABLED) ,"compression disabled"},
@@ -366,6 +373,7 @@
{ERR_REASON(SSL_R_INVALID_COMMAND) ,"invalid command"},
{ERR_REASON(SSL_R_INVALID_COMPRESSION_ALGORITHM),"invalid compression algorithm"},
{ERR_REASON(SSL_R_INVALID_PURPOSE) ,"invalid purpose"},
+{ERR_REASON(SSL_R_INVALID_SRP_USERNAME) ,"invalid srp username"},
{ERR_REASON(SSL_R_INVALID_STATUS_RESPONSE),"invalid status response"},
{ERR_REASON(SSL_R_INVALID_TICKET_KEYS_LENGTH),"invalid ticket keys length"},
{ERR_REASON(SSL_R_INVALID_TRUST) ,"invalid trust"},
@@ -395,6 +403,8 @@
{ERR_REASON(SSL_R_MISSING_RSA_CERTIFICATE),"missing rsa certificate"},
{ERR_REASON(SSL_R_MISSING_RSA_ENCRYPTING_CERT),"missing rsa encrypting cert"},
{ERR_REASON(SSL_R_MISSING_RSA_SIGNING_CERT),"missing rsa signing cert"},
+{ERR_REASON(SSL_R_MISSING_SRP_PARAM) ,"can't find SRP server param"},
+{ERR_REASON(SSL_R_MISSING_SRP_USERNAME) ,"missing srp username"},
{ERR_REASON(SSL_R_MISSING_TMP_DH_KEY) ,"missing tmp dh key"},
{ERR_REASON(SSL_R_MISSING_TMP_ECDH_KEY) ,"missing tmp ecdh key"},
{ERR_REASON(SSL_R_MISSING_TMP_RSA_KEY) ,"missing tmp rsa key"},
@@ -467,6 +477,7 @@
{ERR_REASON(SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED),"session id context uninitialized"},
{ERR_REASON(SSL_R_SHORT_READ) ,"short read"},
{ERR_REASON(SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE),"signature for non signing certificate"},
+{ERR_REASON(SSL_R_SRP_A_CALC) ,"error with the srp params"},
{ERR_REASON(SSL_R_SSL23_DOING_SESSION_ID_REUSE),"ssl23 doing session id reuse"},
{ERR_REASON(SSL_R_SSL2_CONNECTION_ID_TOO_LONG),"ssl2 connection id too long"},
{ERR_REASON(SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT),"ssl3 ext invalid ecpointformat"},
diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index dff6082..7fb4bdf 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1789,6 +1789,9 @@
ret->psk_client_callback=NULL;
ret->psk_server_callback=NULL;
#endif
+#ifndef OPENSSL_NO_SRP
+ SSL_CTX_SRP_CTX_init(ret);
+#endif
#ifndef OPENSSL_NO_BUF_FREELISTS
ret->freelist_max_len = SSL_MAX_BUF_FREELIST_LEN_DEFAULT;
ret->rbuf_freelist = OPENSSL_malloc(sizeof(SSL3_BUF_FREELIST));
@@ -1921,6 +1924,9 @@
if (a->psk_identity_hint)
OPENSSL_free(a->psk_identity_hint);
#endif
+#ifndef OPENSSL_NO_SRP
+ SSL_CTX_SRP_CTX_free(a);
+#endif
#ifndef OPENSSL_NO_ENGINE
if (a->client_cert_engine)
ENGINE_finish(a->client_cert_engine);
diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
index 45a567d..444e6f5 100644
--- a/ssl/ssl_locl.h
+++ b/ssl/ssl_locl.h
@@ -289,6 +289,7 @@
#define SSL_kEECDH 0x00000080L /* ephemeral ECDH */
#define SSL_kPSK 0x00000100L /* PSK */
#define SSL_kGOST 0x00000200L /* GOST key exchange */
+#define SSL_kSRP 0x00000400L /* SRP */
/* Bits for algorithm_auth (server authentication) */
#define SSL_aRSA 0x00000001L /* RSA auth */
diff --git a/ssl/ssl_sess.c b/ssl/ssl_sess.c
index 56b9e15..a3ce652 100644
--- a/ssl/ssl_sess.c
+++ b/ssl/ssl_sess.c
@@ -218,6 +218,9 @@
ss->psk_identity_hint=NULL;
ss->psk_identity=NULL;
#endif
+#ifndef OPENSSL_NO_SRP
+ ss->srp_username=NULL;
+#endif
return(ss);
}
@@ -734,6 +737,10 @@
if (ss->psk_identity != NULL)
OPENSSL_free(ss->psk_identity);
#endif
+#ifndef OPENSSL_NO_SRP
+ if (ss->srp_username != NULL)
+ OPENSSL_free(ss->srp_username);
+#endif
OPENSSL_cleanse(ss,sizeof(*ss));
OPENSSL_free(ss);
}
diff --git a/ssl/ssl_stat.c b/ssl/ssl_stat.c
index 144b81e..2f57296 100644
--- a/ssl/ssl_stat.c
+++ b/ssl/ssl_stat.c
@@ -210,6 +210,9 @@
case SSL3_ST_SR_KEY_EXCH_B: str="SSLv3 read client key exchange B"; break;
case SSL3_ST_SR_CERT_VRFY_A: str="SSLv3 read certificate verify A"; break;
case SSL3_ST_SR_CERT_VRFY_B: str="SSLv3 read certificate verify B"; break;
+#ifndef OPENSSL_NO_SRP
+case SSL3_ST_SR_CLNT_HELLO_SRP_USERNAME: str="SSLv3 waiting for a SRP username"; break;
+#endif
#endif
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
@@ -547,6 +550,11 @@
case TLS1_AD_UNKNOWN_PSK_IDENTITY:
str="unknown PSK identity";
break;
+#ifndef OPENSSL_NO_SRP
+ case TLS1_AD_MISSING_SRP_USERNAME:
+ str="no srp username";
+ break;
+#endif
default: str="unknown"; break;
}
return(str);
diff --git a/ssl/ssl_txt.c b/ssl/ssl_txt.c
index cab712b..552ec2b 100644
--- a/ssl/ssl_txt.c
+++ b/ssl/ssl_txt.c
@@ -189,6 +189,10 @@
if (BIO_puts(bp,"\n PSK identity hint: ") <= 0) goto err;
if (BIO_printf(bp, "%s", x->psk_identity_hint ? x->psk_identity_hint : "None") <= 0) goto err;
#endif
+#ifndef OPENSSL_NO_SRP
+ if (BIO_puts(bp,"\n SRP username: ") <= 0) goto err;
+ if (BIO_printf(bp, "%s", x->srp_username ? x->srp_username : "None") <= 0) goto err;
+#endif
#ifndef OPENSSL_NO_TLSEXT
if (x->tlsext_tick_lifetime_hint)
{
diff --git a/ssl/ssltest.c b/ssl/ssltest.c
index 79af27b..977e12b 100644
--- a/ssl/ssltest.c
+++ b/ssl/ssltest.c
@@ -181,6 +181,9 @@
#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
+#ifndef OPENSSL_NO_SRP
+#include <openssl/srp.h>
+#endif
#include <openssl/bn.h>
#define _XOPEN_SOURCE_EXTENDED 1 /* Or gethostname won't be declared properly
@@ -246,6 +249,55 @@
unsigned int max_psk_len);
#endif
+#ifndef OPENSSL_NO_SRP
+/* SRP client */
+/* This is a context that we pass to all callbacks */
+typedef struct srp_client_arg_st
+ {
+ char *srppassin;
+ char *srplogin;
+ } SRP_CLIENT_ARG;
+
+#define PWD_STRLEN 1024
+
+static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
+ {
+ SRP_CLIENT_ARG *srp_client_arg = (SRP_CLIENT_ARG *)arg;
+ return BUF_strdup((char *)srp_client_arg->srppassin);
+ }
+
+static char * MS_CALLBACK missing_srp_username_callback(SSL *s, void *arg)
+ {
+ SRP_CLIENT_ARG *srp_client_arg = (SRP_CLIENT_ARG *)arg;
+ return BUF_strdup(srp_client_arg->srplogin);
+ }
+
+/* SRP server */
+/* This is a context that we pass to SRP server callbacks */
+typedef struct srp_server_arg_st
+ {
+ char *expected_user;
+ char *pass;
+ } SRP_SERVER_ARG;
+
+static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
+ {
+ SRP_SERVER_ARG * p = (SRP_SERVER_ARG *) arg;
+
+ if (strcmp(p->expected_user, SSL_get_srp_username(s)) != 0)
+ {
+ fprintf(stderr, "User %s doesn't exist\n", SSL_get_srp_username(s));
+ return SSL3_AL_FATAL;
+ }
+ if (SSL_set_srp_server_param_pw(s,p->expected_user,p->pass,"1024")<0)
+ {
+ *ad = SSL_AD_INTERNAL_ERROR;
+ return SSL3_AL_FATAL;
+ }
+ return SSL_ERROR_NONE;
+ }
+#endif
+
static BIO *bio_err=NULL;
static BIO *bio_stdout=NULL;
@@ -364,6 +416,10 @@
#ifndef OPENSSL_NO_PSK
fprintf(stderr," -psk arg - PSK in hex (without 0x)\n");
#endif
+#ifndef OPENSSL_NO_SRP
+ fprintf(stderr," -srpuser user - SRP username to use\n");
+ fprintf(stderr," -srppass arg - password for 'user'\n");
+#endif
#ifndef OPENSSL_NO_SSL2
fprintf(stderr," -ssl2 - use SSLv2\n");
#endif
@@ -556,6 +612,13 @@
#ifndef OPENSSL_NO_ECDH
EC_KEY *ecdh = NULL;
#endif
+#ifndef OPENSSL_NO_SRP
+ /* client */
+ int srp_lateuser = 0;
+ SRP_CLIENT_ARG srp_client_arg = {NULL,NULL};
+ /* server */
+ SRP_SERVER_ARG srp_server_arg = {NULL,NULL};
+#endif
int no_dhe = 0;
int no_ecdhe = 0;
int no_psk = 0;
@@ -652,6 +715,20 @@
no_psk=1;
#endif
}
+#ifndef OPENSSL_NO_SRP
+ else if (strcmp(*argv,"-srpuser") == 0)
+ {
+ if (--argc < 1) goto bad;
+ srp_server_arg.expected_user = srp_client_arg.srplogin= *(++argv);
+ tls1=1;
+ }
+ else if (strcmp(*argv,"-srppass") == 0)
+ {
+ if (--argc < 1) goto bad;
+ srp_server_arg.pass = srp_client_arg.srppassin= *(++argv);
+ tls1=1;
+ }
+#endif
else if (strcmp(*argv,"-ssl2") == 0)
ssl2=1;
else if (strcmp(*argv,"-tls1") == 0)
@@ -1038,6 +1115,28 @@
}
#endif
}
+#ifndef OPENSSL_NO_SRP
+ if (srp_client_arg.srplogin)
+ {
+ if (srp_lateuser)
+ SSL_CTX_set_srp_missing_srp_username_callback(c_ctx,missing_srp_username_callback);
+ else if (!SSL_CTX_set_srp_username(c_ctx, srp_client_arg.srplogin))
+ {
+ BIO_printf(bio_err,"Unable to set SRP username\n");
+ goto end;
+ }
+ SSL_CTX_set_srp_cb_arg(c_ctx,&srp_client_arg);
+ SSL_CTX_set_srp_client_pwd_callback(c_ctx, ssl_give_srp_client_pwd_cb);
+ /*SSL_CTX_set_srp_strength(c_ctx, srp_client_arg.strength);*/
+ }
+
+ if (srp_server_arg.expected_user != NULL)
+ {
+ SSL_CTX_set_verify(s_ctx,SSL_VERIFY_NONE,verify_callback);
+ SSL_CTX_set_srp_cb_arg(s_ctx, &srp_server_arg);
+ SSL_CTX_set_srp_username_callback(s_ctx, ssl_srp_server_param_cb);
+ }
+#endif
#ifndef OPENSSL_NO_NPN
if (npn_client)
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index c418d32..8950700 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -1073,6 +1073,9 @@
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY);
+#ifndef OPENSSL_NO_SRP
+ case SSL_AD_MISSING_SRP_USERNAME:return(TLS1_AD_MISSING_SRP_USERNAME);
+#endif
#if 0 /* not appropriate for TLS, not used for DTLS */
case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return
(DTLS1_AD_MISSING_HANDSHAKE_MESSAGE);
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 4f8199f..a732200 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -341,6 +341,30 @@
ret += el;
}
+#ifndef OPENSSL_NO_SRP
+#define MIN(x,y) (((x)<(y))?(x):(y))
+ /* we add SRP username the first time only if we have one! */
+ if (s->srp_ctx.login != NULL)
+ {/* Add TLS extension SRP username to the Client Hello message */
+ int login_len = MIN(strlen(s->srp_ctx.login) + 1, 255);
+ long lenmax;
+
+ if ((lenmax = limit - ret - 5) < 0) return NULL;
+ if (login_len > lenmax) return NULL;
+ if (login_len > 255)
+ {
+ SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
+ return NULL;
+ }
+ s2n(TLSEXT_TYPE_srp,ret);
+ s2n(login_len+1,ret);
+
+ (*ret++) = (unsigned char) MIN(strlen(s->srp_ctx.login), 254);
+ memcpy(ret, s->srp_ctx.login, MIN(strlen(s->srp_ctx.login), 254));
+ ret+=login_len;
+ }
+#endif
+
#ifndef OPENSSL_NO_EC
if (s->tlsext_ecpointformatlist != NULL &&
s->version != DTLS1_VERSION)
@@ -799,6 +823,19 @@
}
}
+#ifndef OPENSSL_NO_SRP
+ else if (type == TLSEXT_TYPE_srp)
+ {
+ if (size > 0)
+ {
+ len = data[0];
+ if ((s->srp_ctx.login = OPENSSL_malloc(len+1)) == NULL)
+ return -1;
+ memcpy(s->srp_ctx.login, &data[1], len);
+ s->srp_ctx.login[len]='\0';
+ }
+ }
+#endif
#ifndef OPENSSL_NO_EC
else if (type == TLSEXT_TYPE_ec_point_formats &&
diff --git a/ssl/tls1.h b/ssl/tls1.h
index 0a8d4f7..6f8bb88 100644
--- a/ssl/tls1.h
+++ b/ssl/tls1.h
@@ -186,6 +186,8 @@
#define TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE 113
#define TLS1_AD_BAD_CERTIFICATE_HASH_VALUE 114
#define TLS1_AD_UNKNOWN_PSK_IDENTITY 115 /* fatal */
+#define TLS1_AD_UNKNOWN_SRP_USERNAME 120 /* fatal */
+#define TLS1_AD_MISSING_SRP_USERNAME 121
/* ExtensionType values from RFC3546 / RFC4366 */
#define TLSEXT_TYPE_server_name 0
@@ -197,6 +199,8 @@
/* ExtensionType values from RFC4492 */
#define TLSEXT_TYPE_elliptic_curves 10
#define TLSEXT_TYPE_ec_point_formats 11
+/* ExtensionType value from RFC5054 */
+#define TLSEXT_TYPE_srp 12
#define TLSEXT_TYPE_session_ticket 35
/* ExtensionType value from draft-rescorla-tls-opaque-prf-input-00.txt */
#if 0 /* will have to be provided externally for now ,
@@ -385,6 +389,17 @@
#define TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA 0x0300C018
#define TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA 0x0300C019
+/* SRP ciphersuites from RFC 5054 */
+#define TLS1_CK_SRP_SHA_WITH_3DES_EDE_CBC_SHA 0x0300C01A
+#define TLS1_CK_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA 0x0300C01B
+#define TLS1_CK_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA 0x0300C01C
+#define TLS1_CK_SRP_SHA_WITH_AES_128_CBC_SHA 0x0300C01D
+#define TLS1_CK_SRP_SHA_RSA_WITH_AES_128_CBC_SHA 0x0300C01E
+#define TLS1_CK_SRP_SHA_DSS_WITH_AES_128_CBC_SHA 0x0300C01F
+#define TLS1_CK_SRP_SHA_WITH_AES_256_CBC_SHA 0x0300C020
+#define TLS1_CK_SRP_SHA_RSA_WITH_AES_256_CBC_SHA 0x0300C021
+#define TLS1_CK_SRP_SHA_DSS_WITH_AES_256_CBC_SHA 0x0300C022
+
/* XXX
* Inconsistency alert:
* The OpenSSL names of ciphers with ephemeral DH here include the string
@@ -452,6 +467,17 @@
#define TLS1_TXT_PSK_WITH_AES_128_CBC_SHA "PSK-AES128-CBC-SHA"
#define TLS1_TXT_PSK_WITH_AES_256_CBC_SHA "PSK-AES256-CBC-SHA"
+/* SRP ciphersuite from RFC 5054 */
+#define TLS1_TXT_SRP_SHA_WITH_3DES_EDE_CBC_SHA "SRP-3DES-EDE-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA "SRP-RSA-3DES-EDE-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA "SRP-DSS-3DES-EDE-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_WITH_AES_128_CBC_SHA "SRP-AES-128-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_RSA_WITH_AES_128_CBC_SHA "SRP-RSA-AES-128-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_DSS_WITH_AES_128_CBC_SHA "SRP-DSS-AES-128-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_WITH_AES_256_CBC_SHA "SRP-AES-256-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_RSA_WITH_AES_256_CBC_SHA "SRP-RSA-AES-256-CBC-SHA"
+#define TLS1_TXT_SRP_SHA_DSS_WITH_AES_256_CBC_SHA "SRP-DSS-AES-256-CBC-SHA"
+
/* Camellia ciphersuites from RFC4132 */
#define TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA "CAMELLIA128-SHA"
#define TLS1_TXT_DH_DSS_WITH_CAMELLIA_128_CBC_SHA "DH-DSS-CAMELLIA128-SHA"
diff --git a/ssl/tls_srp.c b/ssl/tls_srp.c
new file mode 100644
index 0000000..de5ee99
--- /dev/null
+++ b/ssl/tls_srp.c
@@ -0,0 +1,529 @@
+/* ssl/tls_srp.c */
+/* Written by Christophe Renou (christophe.renou@edelweb.fr) with
+ * the precious help of Peter Sylvester (peter.sylvester@edelweb.fr)
+ * for the EdelKey project and contributed to the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+#include "ssl_locl.h"
+#ifndef OPENSSL_NO_SRP
+
+#include <openssl/rand.h>
+#include <openssl/srp.h>
+#include <openssl/err.h>
+
+int SSL_CTX_SRP_CTX_free(struct ssl_ctx_st *ctx)
+ {
+ if (ctx == NULL)
+ return 0;
+ OPENSSL_free(ctx->srp_ctx.login);
+ BN_free(ctx->srp_ctx.N);
+ BN_free(ctx->srp_ctx.g);
+ BN_free(ctx->srp_ctx.s);
+ BN_free(ctx->srp_ctx.B);
+ BN_free(ctx->srp_ctx.A);
+ BN_free(ctx->srp_ctx.a);
+ BN_free(ctx->srp_ctx.b);
+ BN_free(ctx->srp_ctx.v);
+ ctx->srp_ctx.TLS_ext_srp_username_callback = NULL;
+ ctx->srp_ctx.SRP_cb_arg = NULL;
+ ctx->srp_ctx.SRP_verify_param_callback = NULL;
+ ctx->srp_ctx.SRP_give_srp_client_pwd_callback = NULL;
+ ctx->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback = NULL;
+ ctx->srp_ctx.N = NULL;
+ ctx->srp_ctx.g = NULL;
+ ctx->srp_ctx.s = NULL;
+ ctx->srp_ctx.B = NULL;
+ ctx->srp_ctx.A = NULL;
+ ctx->srp_ctx.a = NULL;
+ ctx->srp_ctx.b = NULL;
+ ctx->srp_ctx.v = NULL;
+ ctx->srp_ctx.login = NULL;
+ ctx->srp_ctx.info = NULL;
+ ctx->srp_ctx.strength = SRP_MINIMAL_N;
+ ctx->srp_ctx.srp_Mask = 0;
+ return (1);
+ }
+
+int SSL_SRP_CTX_free(struct ssl_st *s)
+ {
+ if (s == NULL)
+ return 0;
+ OPENSSL_free(s->srp_ctx.login);
+ BN_free(s->srp_ctx.N);
+ BN_free(s->srp_ctx.g);
+ BN_free(s->srp_ctx.s);
+ BN_free(s->srp_ctx.B);
+ BN_free(s->srp_ctx.A);
+ BN_free(s->srp_ctx.a);
+ BN_free(s->srp_ctx.b);
+ BN_free(s->srp_ctx.v);
+ s->srp_ctx.TLS_ext_srp_username_callback = NULL;
+ s->srp_ctx.SRP_cb_arg = NULL;
+ s->srp_ctx.SRP_verify_param_callback = NULL;
+ s->srp_ctx.SRP_give_srp_client_pwd_callback = NULL;
+ s->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback = NULL;
+ s->srp_ctx.N = NULL;
+ s->srp_ctx.g = NULL;
+ s->srp_ctx.s = NULL;
+ s->srp_ctx.B = NULL;
+ s->srp_ctx.A = NULL;
+ s->srp_ctx.a = NULL;
+ s->srp_ctx.b = NULL;
+ s->srp_ctx.v = NULL;
+ s->srp_ctx.login = NULL;
+ s->srp_ctx.info = NULL;
+ s->srp_ctx.strength = SRP_MINIMAL_N;
+ s->srp_ctx.srp_Mask = 0;
+ return (1);
+ }
+
+int SSL_SRP_CTX_init(struct ssl_st *s)
+ {
+ SSL_CTX *ctx;
+
+ if ((s == NULL) || ((ctx = s->ctx) == NULL))
+ return 0;
+ s->srp_ctx.SRP_cb_arg = ctx->srp_ctx.SRP_cb_arg;
+ /* set client Hello login callback */
+ s->srp_ctx.TLS_ext_srp_username_callback = ctx->srp_ctx.TLS_ext_srp_username_callback;
+ /* set SRP N/g param callback for verification */
+ s->srp_ctx.SRP_verify_param_callback = ctx->srp_ctx.SRP_verify_param_callback;
+ /* set SRP client passwd callback */
+ s->srp_ctx.SRP_give_srp_client_pwd_callback = ctx->srp_ctx.SRP_give_srp_client_pwd_callback;
+ s->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback = ctx->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback;
+
+ s->srp_ctx.N = NULL;
+ s->srp_ctx.g = NULL;
+ s->srp_ctx.s = NULL;
+ s->srp_ctx.B = NULL;
+ s->srp_ctx.A = NULL;
+ s->srp_ctx.a = NULL;
+ s->srp_ctx.b = NULL;
+ s->srp_ctx.v = NULL;
+ s->srp_ctx.login = NULL;
+ s->srp_ctx.info = ctx->srp_ctx.info;
+ s->srp_ctx.strength = ctx->srp_ctx.strength;
+
+ if (((ctx->srp_ctx.N != NULL) &&
+ ((s->srp_ctx.N = BN_dup(ctx->srp_ctx.N)) == NULL)) ||
+ ((ctx->srp_ctx.g != NULL) &&
+ ((s->srp_ctx.g = BN_dup(ctx->srp_ctx.g)) == NULL)) ||
+ ((ctx->srp_ctx.s != NULL) &&
+ ((s->srp_ctx.s = BN_dup(ctx->srp_ctx.s)) == NULL)) ||
+ ((ctx->srp_ctx.B != NULL) &&
+ ((s->srp_ctx.B = BN_dup(ctx->srp_ctx.B)) == NULL)) ||
+ ((ctx->srp_ctx.A != NULL) &&
+ ((s->srp_ctx.A = BN_dup(ctx->srp_ctx.A)) == NULL)) ||
+ ((ctx->srp_ctx.a != NULL) &&
+ ((s->srp_ctx.a = BN_dup(ctx->srp_ctx.a)) == NULL)) ||
+ ((ctx->srp_ctx.v != NULL) &&
+ ((s->srp_ctx.v = BN_dup(ctx->srp_ctx.v)) == NULL)) ||
+ ((ctx->srp_ctx.b != NULL) &&
+ ((s->srp_ctx.b = BN_dup(ctx->srp_ctx.b)) == NULL)))
+ {
+ SSLerr(SSL_F_SSL_SRP_CTX_INIT,ERR_R_BN_LIB);
+ goto err;
+ }
+ if ((ctx->srp_ctx.login != NULL) &&
+ ((s->srp_ctx.login = BUF_strdup(ctx->srp_ctx.login)) == NULL))
+ {
+ SSLerr(SSL_F_SSL_SRP_CTX_INIT,ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ s->srp_ctx.srp_Mask = ctx->srp_ctx.srp_Mask;
+
+ return (1);
+err:
+ OPENSSL_free(s->srp_ctx.login);
+ BN_free(s->srp_ctx.N);
+ BN_free(s->srp_ctx.g);
+ BN_free(s->srp_ctx.s);
+ BN_free(s->srp_ctx.B);
+ BN_free(s->srp_ctx.A);
+ BN_free(s->srp_ctx.a);
+ BN_free(s->srp_ctx.b);
+ BN_free(s->srp_ctx.v);
+ return (0);
+ }
+
+int SSL_CTX_SRP_CTX_init(struct ssl_ctx_st *ctx)
+ {
+ if (ctx == NULL)
+ return 0;
+
+ ctx->srp_ctx.SRP_cb_arg = NULL;
+ /* set client Hello login callback */
+ ctx->srp_ctx.TLS_ext_srp_username_callback = NULL;
+ /* set SRP N/g param callback for verification */
+ ctx->srp_ctx.SRP_verify_param_callback = NULL;
+ /* set SRP client passwd callback */
+ ctx->srp_ctx.SRP_give_srp_client_pwd_callback = NULL;
+ ctx->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback = NULL;
+
+ ctx->srp_ctx.N = NULL;
+ ctx->srp_ctx.g = NULL;
+ ctx->srp_ctx.s = NULL;
+ ctx->srp_ctx.B = NULL;
+ ctx->srp_ctx.A = NULL;
+ ctx->srp_ctx.a = NULL;
+ ctx->srp_ctx.b = NULL;
+ ctx->srp_ctx.v = NULL;
+ ctx->srp_ctx.login = NULL;
+ ctx->srp_ctx.srp_Mask = 0;
+ ctx->srp_ctx.info = NULL;
+ ctx->srp_ctx.strength = SRP_MINIMAL_N;
+
+ return (1);
+ }
+
+/* server side */
+int SSL_srp_server_param_with_username(SSL *s, int *ad)
+ {
+ unsigned char b[SSL_MAX_MASTER_KEY_LENGTH];
+ int al;
+
+ *ad = SSL_AD_UNKNOWN_SRP_USERNAME;
+ if ((s->srp_ctx.TLS_ext_srp_username_callback !=NULL) &&
+ ((al = s->srp_ctx.TLS_ext_srp_username_callback(s, ad, s->srp_ctx.SRP_cb_arg))!=SSL_ERROR_NONE))
+ return al;
+
+ *ad = SSL_AD_INTERNAL_ERROR;
+ if ((s->srp_ctx.N == NULL) ||
+ (s->srp_ctx.g == NULL) ||
+ (s->srp_ctx.s == NULL) ||
+ (s->srp_ctx.v == NULL))
+ return SSL3_AL_FATAL;
+
+ if (RAND_bytes(b, sizeof(b)) <= 0)
+ return SSL3_AL_FATAL;
+ s->srp_ctx.b = BN_bin2bn(b,sizeof(b),NULL);
+ OPENSSL_cleanse(b,sizeof(b));
+
+ /* Calculate: B = (kv + g^b) % N */
+
+ return ((s->srp_ctx.B = SRP_Calc_B(s->srp_ctx.b, s->srp_ctx.N, s->srp_ctx.g, s->srp_ctx.v)) != NULL)?
+ SSL_ERROR_NONE:SSL3_AL_FATAL;
+ }
+
+/* If the server just has the raw password, make up a verifier entry on the fly */
+int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass, const char *grp)
+ {
+ SRP_gN *GN = SRP_get_default_gN(grp);
+ if(GN == NULL) return -1;
+ s->srp_ctx.N = BN_dup(GN->N);
+ s->srp_ctx.g = BN_dup(GN->g);
+ if(s->srp_ctx.v != NULL)
+ {
+ BN_clear_free(s->srp_ctx.v);
+ s->srp_ctx.v = NULL;
+ }
+ if(s->srp_ctx.s != NULL)
+ {
+ BN_clear_free(s->srp_ctx.s);
+ s->srp_ctx.s = NULL;
+ }
+ if(!SRP_create_verifier_BN(user, pass, &s->srp_ctx.s, &s->srp_ctx.v, GN->N, GN->g)) return -1;
+
+ return 1;
+ }
+
+int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
+ BIGNUM *sa, BIGNUM *v, char *info)
+ {
+ if (N!= NULL)
+ {
+ if (s->srp_ctx.N != NULL)
+ {
+ if (!BN_copy(s->srp_ctx.N,N))
+ {
+ BN_free(s->srp_ctx.N);
+ s->srp_ctx.N = NULL;
+ }
+ }
+ else
+ s->srp_ctx.N = BN_dup(N);
+ }
+ if (g!= NULL)
+ {
+ if (s->srp_ctx.g != NULL)
+ {
+ if (!BN_copy(s->srp_ctx.g,g))
+ {
+ BN_free(s->srp_ctx.g);
+ s->srp_ctx.g = NULL;
+ }
+ }
+ else
+ s->srp_ctx.g = BN_dup(g);
+ }
+ if (sa!= NULL)
+ {
+ if (s->srp_ctx.s != NULL)
+ {
+ if (!BN_copy(s->srp_ctx.s,sa))
+ {
+ BN_free(s->srp_ctx.s);
+ s->srp_ctx.s = NULL;
+ }
+ }
+ else
+ s->srp_ctx.s = BN_dup(sa);
+ }
+ if (v!= NULL)
+ {
+ if (s->srp_ctx.v != NULL)
+ {
+ if (!BN_copy(s->srp_ctx.v,v))
+ {
+ BN_free(s->srp_ctx.v);
+ s->srp_ctx.v = NULL;
+ }
+ }
+ else
+ s->srp_ctx.v = BN_dup(v);
+ }
+ s->srp_ctx.info = info;
+
+ if (!(s->srp_ctx.N) ||
+ !(s->srp_ctx.g) ||
+ !(s->srp_ctx.s) ||
+ !(s->srp_ctx.v))
+ return -1;
+
+ return 1;
+ }
+
+int SRP_generate_server_master_secret(SSL *s,unsigned char *master_key)
+ {
+ BIGNUM *K = NULL, *u = NULL;
+ int ret = -1, tmp_len;
+ unsigned char *tmp = NULL;
+
+ if (!SRP_Verify_A_mod_N(s->srp_ctx.A,s->srp_ctx.N))
+ goto err;
+ if (!(u = SRP_Calc_u(s->srp_ctx.A,s->srp_ctx.B,s->srp_ctx.N)))
+ goto err;
+ if (!(K = SRP_Calc_server_key(s->srp_ctx.A, s->srp_ctx.v, u, s->srp_ctx.b, s->srp_ctx.N)))
+ goto err;
+
+ tmp_len = BN_num_bytes(K);
+ if ((tmp = OPENSSL_malloc(tmp_len)) == NULL)
+ goto err;
+ BN_bn2bin(K, tmp);
+ ret = s->method->ssl3_enc->generate_master_secret(s,master_key,tmp,tmp_len);
+err:
+ if (tmp)
+ {
+ OPENSSL_cleanse(tmp,tmp_len) ;
+ OPENSSL_free(tmp);
+ }
+ BN_clear_free(K);
+ BN_clear_free(u);
+ return ret;
+ }
+
+/* client side */
+int SRP_generate_client_master_secret(SSL *s,unsigned char *master_key)
+ {
+ BIGNUM *x = NULL, *u = NULL, *K = NULL;
+ int ret = -1, tmp_len;
+ char *passwd = NULL;
+ unsigned char *tmp = NULL;
+
+ /* Checks if b % n == 0
+ */
+ if (SRP_Verify_B_mod_N(s->srp_ctx.B,s->srp_ctx.N)==0) goto err;
+ if (!(u = SRP_Calc_u(s->srp_ctx.A,s->srp_ctx.B,s->srp_ctx.N))) goto err;
+ if (s->srp_ctx.SRP_give_srp_client_pwd_callback == NULL) goto err;
+ if (!(passwd = s->srp_ctx.SRP_give_srp_client_pwd_callback(s, s->srp_ctx.SRP_cb_arg))) goto err;
+ if (!(x = SRP_Calc_x(s->srp_ctx.s,s->srp_ctx.login,passwd))) goto err;
+ if (!(K = SRP_Calc_client_key(s->srp_ctx.N, s->srp_ctx.B, s->srp_ctx.g, x, s->srp_ctx.a, u))) goto err;
+
+ tmp_len = BN_num_bytes(K);
+ if ((tmp = OPENSSL_malloc(tmp_len)) == NULL) goto err;
+ BN_bn2bin(K, tmp);
+ ret = s->method->ssl3_enc->generate_master_secret(s,master_key,tmp,tmp_len);
+err:
+ if (tmp)
+ {
+ OPENSSL_cleanse(tmp,tmp_len) ;
+ OPENSSL_free(tmp);
+ }
+ BN_clear_free(K);
+ BN_clear_free(x);
+ if (passwd)
+ {
+ OPENSSL_cleanse(passwd,strlen(passwd)) ;
+ OPENSSL_free(passwd);
+ }
+ BN_clear_free(u);
+ return ret;
+ }
+
+int SRP_Calc_A_param(SSL *s)
+ {
+ unsigned char rand[SSL_MAX_MASTER_KEY_LENGTH];
+
+ if (BN_num_bits(s->srp_ctx.N) < s->srp_ctx.strength)
+ return 0;
+
+ if (s->srp_ctx.SRP_verify_param_callback ==NULL &&
+ !SRP_check_known_gN_param(s->srp_ctx.g,s->srp_ctx.N))
+ return 0;
+
+ if (RAND_bytes(rand, sizeof(rand)) <= 0)
+ return 0;
+ s->srp_ctx.a = BN_bin2bn(rand,sizeof(rand), s->srp_ctx.a);
+ OPENSSL_cleanse(rand,sizeof(rand));
+
+ if (!(s->srp_ctx.A = SRP_Calc_A(s->srp_ctx.a,s->srp_ctx.N,s->srp_ctx.g)))
+ return 0;
+
+ /* We can have a callback to verify SRP param!! */
+ if (s->srp_ctx.SRP_verify_param_callback !=NULL)
+ return s->srp_ctx.SRP_verify_param_callback(s,s->srp_ctx.SRP_cb_arg);
+
+ return 1;
+ }
+
+int SRP_have_to_put_srp_username(SSL *s)
+ {
+ if (s->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback == NULL)
+ return 0;
+ if ((s->srp_ctx.login = s->srp_ctx.SRP_TLS_ext_missing_srp_client_username_callback(s,s->srp_ctx.SRP_cb_arg)) == NULL)
+ return 0;
+ s->srp_ctx.srp_Mask|=SSL_kSRP;
+ return 1;
+ }
+
+BIGNUM *SSL_get_srp_g(SSL *s)
+ {
+ if (s->srp_ctx.g != NULL)
+ return s->srp_ctx.g;
+ return s->ctx->srp_ctx.g;
+ }
+
+BIGNUM *SSL_get_srp_N(SSL *s)
+ {
+ if (s->srp_ctx.N != NULL)
+ return s->srp_ctx.N;
+ return s->ctx->srp_ctx.N;
+ }
+
+char *SSL_get_srp_username(SSL *s)
+ {
+ if (s->srp_ctx.login != NULL)
+ return s->srp_ctx.login;
+ return s->ctx->srp_ctx.login;
+ }
+
+char *SSL_get_srp_userinfo(SSL *s)
+ {
+ if (s->srp_ctx.info != NULL)
+ return s->srp_ctx.info;
+ return s->ctx->srp_ctx.info;
+ }
+
+#define tls1_ctx_ctrl ssl3_ctx_ctrl
+#define tls1_ctx_callback_ctrl ssl3_ctx_callback_ctrl
+
+int SSL_CTX_set_srp_username(SSL_CTX *ctx,char *name)
+ {
+ return tls1_ctx_ctrl(ctx,SSL_CTRL_SET_TLS_EXT_SRP_USERNAME,0,name);
+ }
+
+int SSL_CTX_set_srp_password(SSL_CTX *ctx,char *password)
+ {
+ return tls1_ctx_ctrl(ctx,SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD,0,password);
+ }
+
+int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength)
+ {
+ return tls1_ctx_ctrl(ctx, SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH, strength,
+ NULL);
+ }
+
+int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx, int (*cb)(SSL *,void *))
+ {
+ return tls1_ctx_callback_ctrl(ctx,SSL_CTRL_SET_SRP_VERIFY_PARAM_CB,
+ (void (*)(void))cb);
+ }
+
+int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg)
+ {
+ return tls1_ctx_ctrl(ctx,SSL_CTRL_SET_SRP_ARG,0,arg);
+ }
+
+int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
+ int (*cb)(SSL *,int *,void *))
+ {
+ return tls1_ctx_callback_ctrl(ctx,SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB,
+ (void (*)(void))cb);
+ }
+
+int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx, char *(*cb)(SSL *,void *))
+ {
+ return tls1_ctx_callback_ctrl(ctx,SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB,
+ (void (*)(void))cb);
+ }
+
+int SSL_CTX_set_srp_missing_srp_username_callback(SSL_CTX *ctx,
+ char *(*cb)(SSL *,void *))
+ {
+ return tls1_ctx_callback_ctrl(ctx,
+ SSL_CTRL_SET_TLS_EXT_SRP_MISSING_CLIENT_USERNAME_CB,
+ (void (*)(void))cb);
+ }
+#endif
