diff options
Diffstat (limited to 'crypto/openssl/ssl/s3_clnt.c')
| -rw-r--r-- | crypto/openssl/ssl/s3_clnt.c | 403 |
1 files changed, 284 insertions, 119 deletions
diff --git a/crypto/openssl/ssl/s3_clnt.c b/crypto/openssl/ssl/s3_clnt.c index 32b9cea..fae8ead 100644 --- a/crypto/openssl/ssl/s3_clnt.c +++ b/crypto/openssl/ssl/s3_clnt.c @@ -110,13 +110,13 @@ */ #include <stdio.h> +#include "ssl_locl.h" +#include "kssl_lcl.h" #include <openssl/buffer.h> #include <openssl/rand.h> #include <openssl/objects.h> -#include <openssl/md5.h> -#include <openssl/sha.h> #include <openssl/evp.h> -#include "ssl_locl.h" +#include <openssl/md5.h> #include "cryptlib.h" static SSL_METHOD *ssl3_get_client_method(int ver); @@ -146,21 +146,28 @@ SSL_METHOD *SSLv3_client_method(void) if (init) { - init=0; - memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(), - sizeof(SSL_METHOD)); - SSLv3_client_data.ssl_connect=ssl3_connect; - SSLv3_client_data.get_ssl_method=ssl3_get_client_method; + CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD); + + if (init) + { + memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(), + sizeof(SSL_METHOD)); + SSLv3_client_data.ssl_connect=ssl3_connect; + SSLv3_client_data.get_ssl_method=ssl3_get_client_method; + init=0; + } + + CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD); } return(&SSLv3_client_data); } int ssl3_connect(SSL *s) { - BUF_MEM *buf; + BUF_MEM *buf=NULL; unsigned long Time=time(NULL),l; long num1; - void (*cb)()=NULL; + void (*cb)(const SSL *ssl,int type,int val)=NULL; int ret= -1; int new_state,state,skip=0;; @@ -197,7 +204,7 @@ int ssl3_connect(SSL *s) if ((s->version & 0xff00 ) != 0x0300) { - SSLerr(SSL_F_SSL3_CONNECT, SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_CONNECT, ERR_R_INTERNAL_ERROR); ret = -1; goto end; } @@ -218,6 +225,7 @@ int ssl3_connect(SSL *s) goto end; } s->init_buf=buf; + buf=NULL; } if (!ssl3_setup_buffers(s)) { ret= -1; goto end; } @@ -496,6 +504,8 @@ int ssl3_connect(SSL *s) } end: s->in_handshake--; + if (buf != NULL) + BUF_MEM_free(buf); if (cb != NULL) cb(s,SSL_CB_CONNECT_EXIT,ret); return(ret); @@ -548,7 +558,7 @@ static int ssl3_client_hello(SSL *s) { if (i > sizeof s->session->session_id) { - SSLerr(SSL_F_SSL3_CLIENT_HELLO, SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_CLIENT_HELLO, ERR_R_INTERNAL_ERROR); goto err; } memcpy(p,s->session->session_id,i); @@ -613,7 +623,7 @@ static int ssl3_get_server_hello(SSL *s) &ok); if (!ok) return((int)n); - d=p=(unsigned char *)s->init_buf->data; + d=p=(unsigned char *)s->init_msg; if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff))) { @@ -632,30 +642,20 @@ static int ssl3_get_server_hello(SSL *s) /* get the session-id */ j= *(p++); - if(j > sizeof s->session->session_id) - { - al=SSL_AD_ILLEGAL_PARAMETER; - SSLerr(SSL_F_SSL3_GET_SERVER_HELLO, - SSL_R_SSL3_SESSION_ID_TOO_LONG); - goto f_err; - } - - if ((j != 0) && (j != SSL3_SESSION_ID_SIZE)) + if ((j > sizeof s->session->session_id) || (j > SSL3_SESSION_ID_SIZE)) { - /* SSLref returns 16 :-( */ - if (j < SSL2_SSL_SESSION_ID_LENGTH) - { - al=SSL_AD_ILLEGAL_PARAMETER; - SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_SHORT); - goto f_err; - } + al=SSL_AD_ILLEGAL_PARAMETER; + SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_LONG); + goto f_err; } + if (j != 0 && j == s->session->session_id_length && memcmp(p,s->session->session_id,j) == 0) { if(s->sid_ctx_length != s->session->sid_ctx_length || memcmp(s->session->sid_ctx,s->sid_ctx,s->sid_ctx_length)) { + /* actually a client application bug */ al=SSL_AD_ILLEGAL_PARAMETER; SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT); goto f_err; @@ -699,7 +699,12 @@ static int ssl3_get_server_hello(SSL *s) goto f_err; } - if (s->hit && (s->session->cipher != c)) + /* Depending on the session caching (internal/external), the cipher + and/or cipher_id values may not be set. Make sure that + cipher_id is set and use it for comparison. */ + if (s->session->cipher) + s->session->cipher_id = s->session->cipher->id; + if (s->hit && (s->session->cipher_id != c->id)) { if (!(s->options & SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG)) @@ -754,16 +759,13 @@ static int ssl3_get_server_certificate(SSL *s) STACK_OF(X509) *sk=NULL; SESS_CERT *sc; EVP_PKEY *pkey=NULL; + int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */ n=ssl3_get_message(s, SSL3_ST_CR_CERT_A, SSL3_ST_CR_CERT_B, -1, -#if defined(MSDOS) && !defined(WIN32) - 1024*30, /* 30k max cert list :-) */ -#else - 1024*100, /* 100k max cert list :-) */ -#endif + s->max_cert_list, &ok); if (!ok) return((int)n); @@ -780,7 +782,7 @@ static int ssl3_get_server_certificate(SSL *s) SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE); goto f_err; } - d=p=(unsigned char *)s->init_buf->data; + d=p=(unsigned char *)s->init_msg; if ((sk=sk_X509_new_null()) == NULL) { @@ -830,7 +832,12 @@ static int ssl3_get_server_certificate(SSL *s) } i=ssl_verify_cert_chain(s,sk); - if ((s->verify_mode != SSL_VERIFY_NONE) && (!i)) + if ((s->verify_mode != SSL_VERIFY_NONE) && (!i) +#ifndef OPENSSL_NO_KRB5 + && (s->s3->tmp.new_cipher->algorithms & (SSL_MKEY_MASK|SSL_AUTH_MASK)) + != (SSL_aKRB5|SSL_kKRB5) +#endif /* OPENSSL_NO_KRB5 */ + ) { al=ssl_verify_alarm_type(s->verify_result); SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED); @@ -849,39 +856,66 @@ static int ssl3_get_server_certificate(SSL *s) * certificate, which we don't include in s3_srvr.c */ x=sk_X509_value(sk,0); sk=NULL; + /* VRS 19990621: possible memory leak; sk=null ==> !sk_pop_free() @end*/ pkey=X509_get_pubkey(x); - if ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey)) + /* VRS: allow null cert if auth == KRB5 */ + need_cert = ((s->s3->tmp.new_cipher->algorithms + & (SSL_MKEY_MASK|SSL_AUTH_MASK)) + == (SSL_aKRB5|SSL_kKRB5))? 0: 1; + +#ifdef KSSL_DEBUG + printf("pkey,x = %p, %p\n", pkey,x); + printf("ssl_cert_type(x,pkey) = %d\n", ssl_cert_type(x,pkey)); + printf("cipher, alg, nc = %s, %lx, %d\n", s->s3->tmp.new_cipher->name, + s->s3->tmp.new_cipher->algorithms, need_cert); +#endif /* KSSL_DEBUG */ + + if (need_cert && ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey))) { x=NULL; al=SSL3_AL_FATAL; - SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS); + SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE, + SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS); goto f_err; } i=ssl_cert_type(x,pkey); - if (i < 0) + if (need_cert && i < 0) { x=NULL; al=SSL3_AL_FATAL; - SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_UNKNOWN_CERTIFICATE_TYPE); + SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE, + SSL_R_UNKNOWN_CERTIFICATE_TYPE); goto f_err; } - sc->peer_cert_type=i; - CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); - if (sc->peer_pkeys[i].x509 != NULL) /* Why would this ever happen? - * We just created sc a couple of - * lines ago. */ - X509_free(sc->peer_pkeys[i].x509); - sc->peer_pkeys[i].x509=x; - sc->peer_key= &(sc->peer_pkeys[i]); - - if (s->session->peer != NULL) - X509_free(s->session->peer); - CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); - s->session->peer=x; + if (need_cert) + { + sc->peer_cert_type=i; + CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); + /* Why would the following ever happen? + * We just created sc a couple of lines ago. */ + if (sc->peer_pkeys[i].x509 != NULL) + X509_free(sc->peer_pkeys[i].x509); + sc->peer_pkeys[i].x509=x; + sc->peer_key= &(sc->peer_pkeys[i]); + + if (s->session->peer != NULL) + X509_free(s->session->peer); + CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); + s->session->peer=x; + } + else + { + sc->peer_cert_type=i; + sc->peer_key= NULL; + + if (s->session->peer != NULL) + X509_free(s->session->peer); + s->session->peer=NULL; + } s->session->verify_result = s->verify_result; x=NULL; @@ -901,7 +935,7 @@ err: static int ssl3_get_key_exchange(SSL *s) { -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2]; #endif EVP_MD_CTX md_ctx; @@ -909,10 +943,10 @@ static int ssl3_get_key_exchange(SSL *s) int al,i,j,param_len,ok; long n,alg; EVP_PKEY *pkey=NULL; -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA RSA *rsa=NULL; #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH DH *dh=NULL; #endif @@ -922,11 +956,7 @@ static int ssl3_get_key_exchange(SSL *s) SSL3_ST_CR_KEY_EXCH_A, SSL3_ST_CR_KEY_EXCH_B, -1, -#if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32) - 1024*30, /* 30k max cert list :-) */ -#else - 1024*100, /* 100k max cert list :-) */ -#endif + s->max_cert_list, &ok); if (!ok) return((int)n); @@ -937,18 +967,18 @@ static int ssl3_get_key_exchange(SSL *s) return(1); } - param=p=(unsigned char *)s->init_buf->data; + param=p=(unsigned char *)s->init_msg; if (s->session->sess_cert != NULL) { -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (s->session->sess_cert->peer_rsa_tmp != NULL) { RSA_free(s->session->sess_cert->peer_rsa_tmp); s->session->sess_cert->peer_rsa_tmp=NULL; } #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH if (s->session->sess_cert->peer_dh_tmp) { DH_free(s->session->sess_cert->peer_dh_tmp); @@ -963,8 +993,9 @@ static int ssl3_get_key_exchange(SSL *s) param_len=0; alg=s->s3->tmp.new_cipher->algorithms; + EVP_MD_CTX_init(&md_ctx); -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (alg & SSL_kRSA) { if ((rsa=RSA_new()) == NULL) @@ -1008,17 +1039,17 @@ static int ssl3_get_key_exchange(SSL *s) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); else { - SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } s->session->sess_cert->peer_rsa_tmp=rsa; rsa=NULL; } -#else /* NO_RSA */ +#else /* OPENSSL_NO_RSA */ if (0) ; #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH else if (alg & SSL_kEDH) { if ((dh=DH_new()) == NULL) @@ -1072,14 +1103,14 @@ static int ssl3_get_key_exchange(SSL *s) p+=i; n-=param_len; -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (alg & SSL_aRSA) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509); #else if (0) ; #endif -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA else if (alg & SSL_aDSS) pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509); #endif @@ -1094,7 +1125,7 @@ static int ssl3_get_key_exchange(SSL *s) SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER); goto f_err; } -#endif /* !NO_DH */ +#endif /* !OPENSSL_NO_DH */ if (alg & SSL_aFZA) { al=SSL_AD_HANDSHAKE_FAILURE; @@ -1121,7 +1152,7 @@ static int ssl3_get_key_exchange(SSL *s) goto f_err; } -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (pkey->type == EVP_PKEY_RSA) { int num; @@ -1130,12 +1161,12 @@ static int ssl3_get_key_exchange(SSL *s) q=md_buf; for (num=2; num > 0; num--) { - EVP_DigestInit(&md_ctx,(num == 2) - ?s->ctx->md5:s->ctx->sha1); + EVP_DigestInit_ex(&md_ctx,(num == 2) + ?s->ctx->md5:s->ctx->sha1, NULL); EVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); EVP_DigestUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE); EVP_DigestUpdate(&md_ctx,param,param_len); - EVP_DigestFinal(&md_ctx,q,(unsigned int *)&i); + EVP_DigestFinal_ex(&md_ctx,q,(unsigned int *)&i); q+=i; j+=i; } @@ -1157,11 +1188,11 @@ static int ssl3_get_key_exchange(SSL *s) } else #endif -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA if (pkey->type == EVP_PKEY_DSA) { /* lets do DSS */ - EVP_VerifyInit(&md_ctx,EVP_dss1()); + EVP_VerifyInit_ex(&md_ctx,EVP_dss1(), NULL); EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE); EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE); EVP_VerifyUpdate(&md_ctx,param,param_len); @@ -1176,7 +1207,7 @@ static int ssl3_get_key_exchange(SSL *s) else #endif { - SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } } @@ -1185,7 +1216,7 @@ static int ssl3_get_key_exchange(SSL *s) /* still data left over */ if (!(alg & SSL_aNULL)) { - SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } if (n != 0) @@ -1196,19 +1227,21 @@ static int ssl3_get_key_exchange(SSL *s) } } EVP_PKEY_free(pkey); + EVP_MD_CTX_cleanup(&md_ctx); return(1); f_err: ssl3_send_alert(s,SSL3_AL_FATAL,al); err: EVP_PKEY_free(pkey); -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (rsa != NULL) RSA_free(rsa); #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH if (dh != NULL) DH_free(dh); #endif + EVP_MD_CTX_cleanup(&md_ctx); return(-1); } @@ -1225,11 +1258,7 @@ static int ssl3_get_certificate_request(SSL *s) SSL3_ST_CR_CERT_REQ_A, SSL3_ST_CR_CERT_REQ_B, -1, -#if defined(MSDOS) && !defined(WIN32) - 1024*30, /* 30k max cert list :-) */ -#else - 1024*100, /* 100k max cert list :-) */ -#endif + s->max_cert_list, &ok); if (!ok) return((int)n); @@ -1261,7 +1290,7 @@ static int ssl3_get_certificate_request(SSL *s) } } - d=p=(unsigned char *)s->init_buf->data; + d=p=(unsigned char *)s->init_msg; if ((ca_sk=sk_X509_NAME_new(ca_dn_cmp)) == NULL) { @@ -1392,10 +1421,13 @@ static int ssl3_send_client_key_exchange(SSL *s) unsigned char *p,*d; int n; unsigned long l; -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA unsigned char *q; EVP_PKEY *pkey=NULL; #endif +#ifndef OPENSSL_NO_KRB5 + KSSL_ERR kssl_err; +#endif /* OPENSSL_NO_KRB5 */ if (s->state == SSL3_ST_CW_KEY_EXCH_A) { @@ -1404,8 +1436,10 @@ static int ssl3_send_client_key_exchange(SSL *s) l=s->s3->tmp.new_cipher->algorithms; -#ifndef NO_RSA - if (l & SSL_kRSA) + /* Fool emacs indentation */ + if (0) {} +#ifndef OPENSSL_NO_RSA + else if (l & SSL_kRSA) { RSA *rsa; unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH]; @@ -1419,7 +1453,7 @@ static int ssl3_send_client_key_exchange(SSL *s) (pkey->type != EVP_PKEY_RSA) || (pkey->pkey.rsa == NULL)) { - SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } rsa=pkey->pkey.rsa; @@ -1428,16 +1462,16 @@ static int ssl3_send_client_key_exchange(SSL *s) tmp_buf[0]=s->client_version>>8; tmp_buf[1]=s->client_version&0xff; - if (RAND_bytes(&(tmp_buf[2]),SSL_MAX_MASTER_KEY_LENGTH-2) <= 0) + if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0) goto err; - s->session->master_key_length=SSL_MAX_MASTER_KEY_LENGTH; + s->session->master_key_length=sizeof tmp_buf; q=p; /* Fix buf for TLS and beyond */ if (s->version > SSL3_VERSION) p+=2; - n=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH, + n=RSA_public_encrypt(sizeof tmp_buf, tmp_buf,p,rsa,RSA_PKCS1_PADDING); #ifdef PKCS1_CHECK if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++; @@ -1459,13 +1493,144 @@ static int ssl3_send_client_key_exchange(SSL *s) s->session->master_key_length= s->method->ssl3_enc->generate_master_secret(s, s->session->master_key, - tmp_buf,SSL_MAX_MASTER_KEY_LENGTH); - memset(tmp_buf,0,SSL_MAX_MASTER_KEY_LENGTH); + tmp_buf,sizeof tmp_buf); + OPENSSL_cleanse(tmp_buf,sizeof tmp_buf); } - else #endif -#ifndef NO_DH - if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) +#ifndef OPENSSL_NO_KRB5 + else if (l & SSL_kKRB5) + { + krb5_error_code krb5rc; + KSSL_CTX *kssl_ctx = s->kssl_ctx; + /* krb5_data krb5_ap_req; */ + krb5_data *enc_ticket; + krb5_data authenticator, *authp = NULL; + EVP_CIPHER_CTX ciph_ctx; + EVP_CIPHER *enc = NULL; + unsigned char iv[EVP_MAX_IV_LENGTH]; + unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH]; + unsigned char epms[SSL_MAX_MASTER_KEY_LENGTH + + EVP_MAX_IV_LENGTH]; + int padl, outl = sizeof(epms); + + EVP_CIPHER_CTX_init(&ciph_ctx); + +#ifdef KSSL_DEBUG + printf("ssl3_send_client_key_exchange(%lx & %lx)\n", + l, SSL_kKRB5); +#endif /* KSSL_DEBUG */ + + authp = NULL; +#ifdef KRB5SENDAUTH + if (KRB5SENDAUTH) authp = &authenticator; +#endif /* KRB5SENDAUTH */ + + krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp, + &kssl_err); + enc = kssl_map_enc(kssl_ctx->enctype); + if (enc == NULL) + goto err; +#ifdef KSSL_DEBUG + { + printf("kssl_cget_tkt rtn %d\n", krb5rc); + if (krb5rc && kssl_err.text) + printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text); + } +#endif /* KSSL_DEBUG */ + + if (krb5rc) + { + ssl3_send_alert(s,SSL3_AL_FATAL, + SSL_AD_HANDSHAKE_FAILURE); + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, + kssl_err.reason); + goto err; + } + + /* 20010406 VRS - Earlier versions used KRB5 AP_REQ + ** in place of RFC 2712 KerberosWrapper, as in: + ** + ** Send ticket (copy to *p, set n = length) + ** n = krb5_ap_req.length; + ** memcpy(p, krb5_ap_req.data, krb5_ap_req.length); + ** if (krb5_ap_req.data) + ** kssl_krb5_free_data_contents(NULL,&krb5_ap_req); + ** + ** Now using real RFC 2712 KerberosWrapper + ** (Thanks to Simon Wilkinson <sxw@sxw.org.uk>) + ** Note: 2712 "opaque" types are here replaced + ** with a 2-byte length followed by the value. + ** Example: + ** KerberosWrapper= xx xx asn1ticket 0 0 xx xx encpms + ** Where "xx xx" = length bytes. Shown here with + ** optional authenticator omitted. + */ + + /* KerberosWrapper.Ticket */ + s2n(enc_ticket->length,p); + memcpy(p, enc_ticket->data, enc_ticket->length); + p+= enc_ticket->length; + n = enc_ticket->length + 2; + + /* KerberosWrapper.Authenticator */ + if (authp && authp->length) + { + s2n(authp->length,p); + memcpy(p, authp->data, authp->length); + p+= authp->length; + n+= authp->length + 2; + + free(authp->data); + authp->data = NULL; + authp->length = 0; + } + else + { + s2n(0,p);/* null authenticator length */ + n+=2; + } + + if (RAND_bytes(tmp_buf,sizeof tmp_buf) <= 0) + goto err; + + /* 20010420 VRS. Tried it this way; failed. + ** EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL); + ** EVP_CIPHER_CTX_set_key_length(&ciph_ctx, + ** kssl_ctx->length); + ** EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv); + */ + + memset(iv, 0, sizeof iv); /* per RFC 1510 */ + EVP_EncryptInit_ex(&ciph_ctx,enc, NULL, + kssl_ctx->key,iv); + EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf, + sizeof tmp_buf); + EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl); + outl += padl; + if (outl > sizeof epms) + { + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR); + goto err; + } + EVP_CIPHER_CTX_cleanup(&ciph_ctx); + + /* KerberosWrapper.EncryptedPreMasterSecret */ + s2n(outl,p); + memcpy(p, epms, outl); + p+=outl; + n+=outl + 2; + + s->session->master_key_length= + s->method->ssl3_enc->generate_master_secret(s, + s->session->master_key, + tmp_buf, sizeof tmp_buf); + + OPENSSL_cleanse(tmp_buf, sizeof tmp_buf); + OPENSSL_cleanse(epms, outl); + } +#endif +#ifndef OPENSSL_NO_DH + else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) { DH *dh_srvr,*dh_clnt; @@ -1519,11 +1684,11 @@ static int ssl3_send_client_key_exchange(SSL *s) /* perhaps clean things up a bit EAY EAY EAY EAY*/ } - else #endif + else { ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE); - SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR); goto err; } @@ -1547,11 +1712,11 @@ static int ssl3_send_client_verify(SSL *s) unsigned char *p,*d; unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH]; EVP_PKEY *pkey; -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA unsigned u=0; #endif unsigned long n; -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA int j; #endif @@ -1564,7 +1729,7 @@ static int ssl3_send_client_verify(SSL *s) s->method->ssl3_enc->cert_verify_mac(s,&(s->s3->finish_dgst2), &(data[MD5_DIGEST_LENGTH])); -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (pkey->type == EVP_PKEY_RSA) { s->method->ssl3_enc->cert_verify_mac(s, @@ -1581,7 +1746,7 @@ static int ssl3_send_client_verify(SSL *s) } else #endif -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA if (pkey->type == EVP_PKEY_DSA) { if (!DSA_sign(pkey->save_type, @@ -1598,7 +1763,7 @@ static int ssl3_send_client_verify(SSL *s) else #endif { - SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,ERR_R_INTERNAL_ERROR); goto err; } *(d++)=SSL3_MT_CERTIFICATE_VERIFY; @@ -1697,10 +1862,10 @@ static int ssl3_check_cert_and_algorithm(SSL *s) long algs; EVP_PKEY *pkey=NULL; SESS_CERT *sc; -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA RSA *rsa; #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH DH *dh; #endif @@ -1708,20 +1873,20 @@ static int ssl3_check_cert_and_algorithm(SSL *s) if (sc == NULL) { - SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_INTERNAL_ERROR); + SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR); goto err; } algs=s->s3->tmp.new_cipher->algorithms; /* we don't have a certificate */ - if (algs & (SSL_aDH|SSL_aNULL)) + if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) return(1); -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA rsa=s->session->sess_cert->peer_rsa_tmp; #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH dh=s->session->sess_cert->peer_dh_tmp; #endif @@ -1739,14 +1904,14 @@ static int ssl3_check_cert_and_algorithm(SSL *s) SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_SIGNING_CERT); goto f_err; } -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA else if ((algs & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DSA_SIGNING_CERT); goto f_err; } #endif -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if ((algs & SSL_kRSA) && !(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL))) { @@ -1754,7 +1919,7 @@ static int ssl3_check_cert_and_algorithm(SSL *s) goto f_err; } #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH if ((algs & SSL_kEDH) && !(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL))) { @@ -1766,7 +1931,7 @@ static int ssl3_check_cert_and_algorithm(SSL *s) SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_RSA_CERT); goto f_err; } -#ifndef NO_DSA +#ifndef OPENSSL_NO_DSA else if ((algs & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA)) { SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_DSA_CERT); @@ -1777,7 +1942,7 @@ static int ssl3_check_cert_and_algorithm(SSL *s) if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP)) { -#ifndef NO_RSA +#ifndef OPENSSL_NO_RSA if (algs & SSL_kRSA) { if (rsa == NULL @@ -1789,7 +1954,7 @@ static int ssl3_check_cert_and_algorithm(SSL *s) } else #endif -#ifndef NO_DH +#ifndef OPENSSL_NO_DH if (algs & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) { if (dh == NULL |
