-Wall implies -Wuninitialized.
[openssl.git] / ssl / s3_lib.c
index 1dd03b1..4e58bcd 100644 (file)
@@ -60,7 +60,7 @@
 #include "objects.h"
 #include "ssl_locl.h"
 
-char *ssl3_version_str="SSLv3 part of OpenSSL 0.9.2 31-Dec-1998";
+const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
 
 #define SSL3_NUM_CIPHERS       (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
 
@@ -355,12 +355,13 @@ SSL_CIPHER ssl3_ciphers[]={
        SSL_ALL_CIPHERS,
        },
 
+#if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
        /* New TLS Export CipherSuites */
        /* Cipher 60 */
            {
            1,
-           TLS1_TXT_RSA_EXPORT56_WITH_RC4_56_MD5,
-           TLS1_CK_RSA_EXPORT56_WITH_RC4_56_MD5,
+           TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
+           TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
            SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_EXP56|SSL_TLSV1,
            0,
            SSL_ALL_CIPHERS
@@ -368,8 +369,8 @@ SSL_CIPHER ssl3_ciphers[]={
        /* Cipher 61 */
            {
            1,
-           TLS1_TXT_RSA_EXPORT56_WITH_RC2_CBC_56_MD5,
-           TLS1_CK_RSA_EXPORT56_WITH_RC2_CBC_56_MD5,
+           TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
+           TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
            SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_EXP56|SSL_TLSV1,
            0,
            SSL_ALL_CIPHERS
@@ -377,12 +378,49 @@ SSL_CIPHER ssl3_ciphers[]={
        /* Cipher 62 */
            {
            1,
-           TLS1_TXT_RSA_EXPORT56_WITH_DES_CBC_SHA,
-           TLS1_CK_RSA_EXPORT56_WITH_DES_CBC_SHA,
+           TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
+           TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
            SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
            0,
            SSL_ALL_CIPHERS
            },
+       /* Cipher 63 */
+           {
+           1,
+           TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
+           TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
+           SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+           0,
+           SSL_ALL_CIPHERS
+           },
+       /* Cipher 64 */
+           {
+           1,
+           TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
+           TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
+           SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+           0,
+           SSL_ALL_CIPHERS
+           },
+       /* Cipher 65 */
+           {
+           1,
+           TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
+           TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
+           SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+           0,
+           SSL_ALL_CIPHERS
+           },
+       /* Cipher 66 */
+           {
+           1,
+           TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
+           TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
+           SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
+           0,
+           SSL_ALL_CIPHERS
+           },
+#endif
 
 /* end of list */
        };
@@ -426,25 +464,24 @@ static SSL_METHOD SSLv3_data= {
        &SSLv3_enc_data,
        };
 
-static long ssl3_default_timeout()
+static long ssl3_default_timeout(void)
        {
        /* 2 hours, the 24 hours mentioned in the SSLv3 spec
         * is way too long for http, the cache would over fill */
        return(60*60*2);
        }
 
-SSL_METHOD *sslv3_base_method()
+SSL_METHOD *sslv3_base_method(void)
        {
        return(&SSLv3_data);
        }
 
-int ssl3_num_ciphers()
+int ssl3_num_ciphers(void)
        {
        return(SSL3_NUM_CIPHERS);
        }
 
-SSL_CIPHER *ssl3_get_cipher(u)
-unsigned int u;
+SSL_CIPHER *ssl3_get_cipher(unsigned int u)
        {
        if (u < SSL3_NUM_CIPHERS)
                return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
@@ -453,14 +490,12 @@ unsigned int u;
        }
 
 /* The problem is that it may not be the correct record type */
-int ssl3_pending(s)
-SSL *s;
+int ssl3_pending(SSL *s)
        {
        return(s->s3->rrec.length);
        }
 
-int ssl3_new(s)
-SSL *s;
+int ssl3_new(SSL *s)
        {
        SSL3_CTX *s3;
 
@@ -482,8 +517,7 @@ err:
        return(0);
        }
 
-void ssl3_free(s)
-SSL *s;
+void ssl3_free(SSL *s)
        {
        if(s == NULL)
            return;
@@ -500,20 +534,19 @@ SSL *s;
                DH_free(s->s3->tmp.dh);
 #endif
        if (s->s3->tmp.ca_names != NULL)
-               sk_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
+               sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
        memset(s->s3,0,sizeof(SSL3_CTX));
        Free(s->s3);
        s->s3=NULL;
        }
 
-void ssl3_clear(s)
-SSL *s;
+void ssl3_clear(SSL *s)
        {
        unsigned char *rp,*wp;
 
        ssl3_cleanup_key_block(s);
        if (s->s3->tmp.ca_names != NULL)
-               sk_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
+               sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
 
        if (s->s3->rrec.comp != NULL)
                {
@@ -538,14 +571,30 @@ SSL *s;
        s->version=SSL3_VERSION;
        }
 
-long ssl3_ctrl(s,cmd,larg,parg)
-SSL *s;
-int cmd;
-long larg;
-char *parg;
+long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
        {
        int ret=0;
 
+#if !defined(NO_DSA) || !defined(NO_RSA)
+       if (
+#ifndef NO_RSA
+           cmd == SSL_CTRL_SET_TMP_RSA ||
+           cmd == SSL_CTRL_SET_TMP_RSA_CB ||
+#endif
+#ifndef NO_DSA
+           cmd == SSL_CTRL_SET_TMP_DH ||
+           cmd == SSL_CTRL_SET_TMP_DH_CB ||
+#endif
+               0)
+               {
+               if (!ssl_cert_instantiate(&s->cert, s->ctx->default_cert)) 
+                       {
+                       SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
+                       return(0);
+                       }
+               }
+#endif
+
        switch (cmd)
                {
        case SSL_CTRL_GET_SESSION_REUSED:
@@ -566,17 +615,76 @@ char *parg;
        case SSL_CTRL_GET_FLAGS:
                ret=(int)(s->s3->flags);
                break;
+#ifndef NO_RSA
+       case SSL_CTRL_NEED_TMP_RSA:
+               if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
+                   ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
+                    (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
+                       ret = 1;
+               break;
+       case SSL_CTRL_SET_TMP_RSA:
+               {
+                       RSA *rsa = (RSA *)parg;
+                       if (rsa == NULL) {
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+                               return(ret);
+                       }
+                       if ((rsa = RSAPrivateKey_dup(rsa)) == NULL) {
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
+                               return(ret);
+                       }
+                       if (s->cert->rsa_tmp != NULL)
+                               RSA_free(s->cert->rsa_tmp);
+                       s->cert->rsa_tmp = rsa;
+                       ret = 1;
+               }
+               break;
+       case SSL_CTRL_SET_TMP_RSA_CB:
+#ifndef NOPROTO
+               s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))parg;
+#else
+               s->cert->rsa_tmp_cb = (RSA *(*)())parg;
+#endif
+               break;
+#endif
+#ifndef NO_DH
+       case SSL_CTRL_SET_TMP_DH:
+               {
+                       DH *dh = (DH *)parg;
+                       if (dh == NULL) {
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+                               return(ret);
+                       }
+                       if ((dh = DHparams_dup(dh)) == NULL) {
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
+                               return(ret);
+                       }
+                       if (!DH_generate_key(dh)) {
+                               DH_free(dh);
+                               SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
+                               return(ret);
+                       }
+                       if (s->cert->dh_tmp != NULL)
+                               DH_free(s->cert->dh_tmp);
+                       s->cert->dh_tmp = dh;
+                       ret = 1;
+               }
+               break;
+       case SSL_CTRL_SET_TMP_DH_CB:
+#ifndef NOPROTO
+               s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))parg;
+#else
+               s->cert->dh_tmp_cb = (DH *(*)())parg;
+#endif
+               break;
+#endif
        default:
                break;
                }
        return(ret);
        }
 
-long ssl3_ctx_ctrl(ctx,cmd,larg,parg)
-SSL_CTX *ctx;
-int cmd;
-long larg;
-char *parg;
+long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
        {
        CERT *cert;
 
@@ -665,10 +773,10 @@ char *parg;
        case SSL_CTRL_EXTRA_CHAIN_CERT:
                if (ctx->extra_certs == NULL)
                        {
-                       if ((ctx->extra_certs=sk_new_null()) == NULL)
+                       if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
                                return(0);
                        }
-               sk_push(ctx->extra_certs,(char *)parg);
+               sk_X509_push(ctx->extra_certs,(X509 *)parg);
                break;
 
        default:
@@ -679,8 +787,7 @@ char *parg;
 
 /* This function needs to check if the ciphers required are actually
  * available */
-SSL_CIPHER *ssl3_get_cipher_by_char(p)
-const unsigned char *p;
+SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
        {
        static int init=1;
        static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
@@ -712,9 +819,7 @@ const unsigned char *p;
                return(*cpp);
        }
 
-int ssl3_put_cipher_by_char(c,p)
-const SSL_CIPHER *c;
-unsigned char *p;
+int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
        {
        long l;
 
@@ -728,9 +833,7 @@ unsigned char *p;
        return(2);
        }
 
-int ssl3_part_read(s,i)
-SSL *s;
-int i;
+int ssl3_part_read(SSL *s, int i)
        {
        s->rwstate=SSL_READING;
 
@@ -745,9 +848,8 @@ int i;
                }
        }
 
-SSL_CIPHER *ssl3_choose_cipher(s,have,pref)
-SSL *s;
-STACK *have,*pref;
+SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *have,
+            STACK_OF(SSL_CIPHER) *pref)
        {
        SSL_CIPHER *c,*ret=NULL;
        int i,j,ok;
@@ -760,13 +862,22 @@ STACK *have,*pref;
        else
                cert=s->ctx->default_cert;
 
-       sk_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
+       sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
+
+#ifdef CIPHER_DEBUG
+       printf("Have:\n");
+       for(i=0 ; i < sk_num(pref) ; ++i)
+           {
+           c=(SSL_CIPHER *)sk_value(pref,i);
+           printf("%p:%s\n",c,c->name);
+           }
+#endif
 
-       for (i=0; i<sk_num(have); i++)
+       for (i=0; i<sk_SSL_CIPHER_num(have); i++)
                {
-               c=(SSL_CIPHER *)sk_value(have,i);
+               c=sk_SSL_CIPHER_value(have,i);
 
-               ssl_set_cert_masks(cert,c);
+               ssl_set_cert_masks(cert,s->ctx->default_cert,c);
                mask=cert->mask;
                emask=cert->export_mask;
                        
@@ -775,32 +886,32 @@ STACK *have,*pref;
                        {
                        ok=((alg & emask) == alg)?1:0;
 #ifdef CIPHER_DEBUG
-                       printf("%d:[%08lX:%08lX]%s (export)\n",ok,alg,mask,c->name);
+                       printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
+                              c,c->name);
 #endif
                        }
                else
                        {
                        ok=((alg & mask) == alg)?1:0;
 #ifdef CIPHER_DEBUG
-                       printf("%d:[%08lX:%08lX]%s\n",ok,alg,mask,c->name);
+                       printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
+                              c->name);
 #endif
                        }
 
                if (!ok) continue;
        
-               j=sk_find(pref,(char *)c);
+               j=sk_SSL_CIPHER_find(pref,c);
                if (j >= 0)
                        {
-                       ret=(SSL_CIPHER *)sk_value(pref,j);
+                       ret=sk_SSL_CIPHER_value(pref,j);
                        break;
                        }
                }
        return(ret);
        }
 
-int ssl3_get_req_cert_type(s,p)
-SSL *s;
-unsigned char *p;
+int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
        {
        int ret=0;
        unsigned long alg;
@@ -837,8 +948,7 @@ unsigned char *p;
        return(ret);
        }
 
-int ssl3_shutdown(s)
-SSL *s;
+int ssl3_shutdown(SSL *s)
        {
 
        /* Don't do anything much if we have not done the handshake or
@@ -878,10 +988,7 @@ SSL *s;
                return(0);
        }
 
-int ssl3_write(s,buf,len)
-SSL *s;
-const char *buf;
-int len;
+int ssl3_write(SSL *s, const char *buf, int len)
        {
        int ret,n;
 
@@ -906,7 +1013,7 @@ int len;
                if (s->s3->delay_buf_pop_ret == 0)
                        {
                        ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
-                               (char *)buf,len);
+                                            buf,len);
                        if (ret <= 0) return(ret);
 
                        s->s3->delay_buf_pop_ret=ret;
@@ -927,17 +1034,14 @@ int len;
        else
                {
                ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
-                       (char *)buf,len);
+                                    buf,len);
                if (ret <= 0) return(ret);
                }
 
        return(ret);
        }
 
-int ssl3_read(s,buf,len)
-SSL *s;
-char *buf;
-int len;
+int ssl3_read(SSL *s, char *buf, int len)
        {
        int ret;
        
@@ -959,10 +1063,7 @@ int len;
        return(ret);
        }
 
-int ssl3_peek(s,buf,len)
-SSL *s;
-char *buf;
-int len;
+int ssl3_peek(SSL *s, char *buf, int len)
        {
        SSL3_RECORD *rr;
        int n;
@@ -984,8 +1085,7 @@ int len;
        return(n);
        }
 
-int ssl3_renegotiate(s)
-SSL *s;
+int ssl3_renegotiate(SSL *s)
        {
        if (s->handshake_func == NULL)
                return(1);
@@ -997,8 +1097,7 @@ SSL *s;
        return(1);
        }
 
-int ssl3_renegotiate_check(s)
-SSL *s;
+int ssl3_renegotiate_check(SSL *s)
        {
        int ret=0;