| 1 |
diff -up openssl-fips-0.9.8e/apps/s_client.c.fallback-scsv openssl-fips-0.9.8e/apps/s_client.c |
| 2 |
--- openssl-fips-0.9.8e/apps/s_client.c.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 3 |
+++ openssl-fips-0.9.8e/apps/s_client.c 2014-10-15 16:11:24.131372054 +0200 |
| 4 |
@@ -217,6 +217,7 @@ static void sc_usage(void) |
| 5 |
BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); |
| 6 |
BIO_printf(bio_err," -tls1 - just use TLSv1\n"); |
| 7 |
BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); |
| 8 |
+ BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n"); |
| 9 |
BIO_printf(bio_err," -mtu - set the MTU\n"); |
| 10 |
BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); |
| 11 |
BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); |
| 12 |
@@ -289,6 +290,7 @@ int MAIN(int argc, char **argv) |
| 13 |
|
| 14 |
struct sockaddr peer; |
| 15 |
int peerlen = sizeof(peer); |
| 16 |
+ int fallback_scsv = 0; |
| 17 |
int enable_timeouts = 0 ; |
| 18 |
long mtu = 0; |
| 19 |
|
| 20 |
@@ -422,6 +424,10 @@ int MAIN(int argc, char **argv) |
| 21 |
mtu = atol(*(++argv)); |
| 22 |
} |
| 23 |
#endif |
| 24 |
+ else if (strcmp(*argv,"-fallback_scsv") == 0) |
| 25 |
+ { |
| 26 |
+ fallback_scsv = 1; |
| 27 |
+ } |
| 28 |
else if (strcmp(*argv,"-bugs") == 0) |
| 29 |
bugs=1; |
| 30 |
else if (strcmp(*argv,"-keyform") == 0) |
| 31 |
@@ -632,6 +638,9 @@ bad: |
| 32 |
X509_STORE_set_flags(store, vflags); |
| 33 |
|
| 34 |
con=SSL_new(ctx); |
| 35 |
+ if (fallback_scsv) |
| 36 |
+ SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); |
| 37 |
+ |
| 38 |
#ifndef OPENSSL_NO_KRB5 |
| 39 |
if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) |
| 40 |
{ |
| 41 |
diff -up openssl-fips-0.9.8e/crypto/err/openssl.ec.fallback-scsv openssl-fips-0.9.8e/crypto/err/openssl.ec |
| 42 |
--- openssl-fips-0.9.8e/crypto/err/openssl.ec.fallback-scsv 2007-08-15 15:35:29.000000000 +0200 |
| 43 |
+++ openssl-fips-0.9.8e/crypto/err/openssl.ec 2014-10-15 16:12:41.422116927 +0200 |
| 44 |
@@ -66,6 +66,7 @@ R SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION |
| 45 |
R SSL_R_TLSV1_ALERT_PROTOCOL_VERSION 1070 |
| 46 |
R SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY 1071 |
| 47 |
R SSL_R_TLSV1_ALERT_INTERNAL_ERROR 1080 |
| 48 |
+R SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK 1086 |
| 49 |
R SSL_R_TLSV1_ALERT_USER_CANCELLED 1090 |
| 50 |
R SSL_R_TLSV1_ALERT_NO_RENEGOTIATION 1100 |
| 51 |
|
| 52 |
diff -up openssl-fips-0.9.8e/ssl/dtls1.h.fallback-scsv openssl-fips-0.9.8e/ssl/dtls1.h |
| 53 |
--- openssl-fips-0.9.8e/ssl/dtls1.h.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 54 |
+++ openssl-fips-0.9.8e/ssl/dtls1.h 2014-10-15 16:07:06.407553827 +0200 |
| 55 |
@@ -68,6 +68,8 @@ extern "C" { |
| 56 |
#endif |
| 57 |
|
| 58 |
#define DTLS1_VERSION 0xFEFF |
| 59 |
+#define DTLS_MAX_VERSION DTLS1_VERSION |
| 60 |
+ |
| 61 |
#define DTLS1_BAD_VER 0x0100 |
| 62 |
|
| 63 |
#define DTLS1_AD_MISSING_HANDSHAKE_MESSAGE 110 |
| 64 |
@@ -208,4 +210,3 @@ typedef struct dtls1_record_data_st |
| 65 |
} |
| 66 |
#endif |
| 67 |
#endif |
| 68 |
- |
| 69 |
diff -up openssl-fips-0.9.8e/ssl/d1_lib.c.fallback-scsv openssl-fips-0.9.8e/ssl/d1_lib.c |
| 70 |
--- openssl-fips-0.9.8e/ssl/d1_lib.c.fallback-scsv 2014-10-15 16:07:06.406553804 +0200 |
| 71 |
+++ openssl-fips-0.9.8e/ssl/d1_lib.c 2014-10-15 16:18:24.206855442 +0200 |
| 72 |
@@ -189,6 +189,30 @@ void dtls1_clear(SSL *s) |
| 73 |
s->version=DTLS1_VERSION; |
| 74 |
} |
| 75 |
|
| 76 |
+long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg) |
| 77 |
+ { |
| 78 |
+ int ret=0; |
| 79 |
+ |
| 80 |
+ switch (cmd) |
| 81 |
+ { |
| 82 |
+ case SSL_CTRL_CHECK_PROTO_VERSION: |
| 83 |
+ /* For library-internal use; checks that the current protocol |
| 84 |
+ * is the highest enabled version (according to s->ctx->method, |
| 85 |
+ * as version negotiation may have changed s->method). */ |
| 86 |
+#if DTLS_MAX_VERSION != DTLS1_VERSION |
| 87 |
+# error Code needs update for DTLS_method() support beyond DTLS1_VERSION. |
| 88 |
+#endif |
| 89 |
+ /* Just one protocol version is supported so far; |
| 90 |
+ * fail closed if the version is not as expected. */ |
| 91 |
+ return s->version == DTLS_MAX_VERSION; |
| 92 |
+ |
| 93 |
+ default: |
| 94 |
+ ret = ssl3_ctrl(s, cmd, larg, parg); |
| 95 |
+ break; |
| 96 |
+ } |
| 97 |
+ return(ret); |
| 98 |
+ } |
| 99 |
+ |
| 100 |
/* |
| 101 |
* As it's impossible to use stream ciphers in "datagram" mode, this |
| 102 |
* simple filter is designed to disengage them in DTLS. Unfortunately |
| 103 |
diff -up openssl-fips-0.9.8e/ssl/ssl_err.c.fallback-scsv openssl-fips-0.9.8e/ssl/ssl_err.c |
| 104 |
--- openssl-fips-0.9.8e/ssl/ssl_err.c.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 105 |
+++ openssl-fips-0.9.8e/ssl/ssl_err.c 2014-10-15 16:07:06.409553872 +0200 |
| 106 |
@@ -327,6 +327,7 @@ static ERR_STRING_DATA SSL_str_reasons[] |
| 107 |
{ERR_REASON(SSL_R_HTTPS_PROXY_REQUEST) ,"https proxy request"}, |
| 108 |
{ERR_REASON(SSL_R_HTTP_REQUEST) ,"http request"}, |
| 109 |
{ERR_REASON(SSL_R_ILLEGAL_PADDING) ,"illegal padding"}, |
| 110 |
+{ERR_REASON(SSL_R_INAPPROPRIATE_FALLBACK),"inappropriate fallback"}, |
| 111 |
{ERR_REASON(SSL_R_INVALID_CHALLENGE_LENGTH),"invalid challenge length"}, |
| 112 |
{ERR_REASON(SSL_R_INVALID_COMMAND) ,"invalid command"}, |
| 113 |
{ERR_REASON(SSL_R_INVALID_PURPOSE) ,"invalid purpose"}, |
| 114 |
@@ -448,6 +449,7 @@ static ERR_STRING_DATA SSL_str_reasons[] |
| 115 |
{ERR_REASON(SSL_R_TLSV1_ALERT_DECRYPTION_FAILED),"tlsv1 alert decryption failed"}, |
| 116 |
{ERR_REASON(SSL_R_TLSV1_ALERT_DECRYPT_ERROR),"tlsv1 alert decrypt error"}, |
| 117 |
{ERR_REASON(SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION),"tlsv1 alert export restriction"}, |
| 118 |
+{ERR_REASON(SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK),"tlsv1 alert inappropriate fallback"}, |
| 119 |
{ERR_REASON(SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY),"tlsv1 alert insufficient security"}, |
| 120 |
{ERR_REASON(SSL_R_TLSV1_ALERT_INTERNAL_ERROR),"tlsv1 alert internal error"}, |
| 121 |
{ERR_REASON(SSL_R_TLSV1_ALERT_NO_RENEGOTIATION),"tlsv1 alert no renegotiation"}, |
| 122 |
diff -up openssl-fips-0.9.8e/ssl/ssl.h.fallback-scsv openssl-fips-0.9.8e/ssl/ssl.h |
| 123 |
--- openssl-fips-0.9.8e/ssl/ssl.h.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 124 |
+++ openssl-fips-0.9.8e/ssl/ssl.h 2014-10-15 16:33:56.329898526 +0200 |
| 125 |
@@ -551,6 +551,10 @@ typedef struct ssl_session_st |
| 126 |
#define SSL_MODE_AUTO_RETRY 0x00000004L |
| 127 |
/* Don't attempt to automatically build certificate chain */ |
| 128 |
#define SSL_MODE_NO_AUTO_CHAIN 0x00000008L |
| 129 |
+/* Send TLS_FALLBACK_SCSV in the ClientHello. |
| 130 |
+ * To be set by applications that reconnect with a downgraded protocol |
| 131 |
+ * version; see draft-ietf-tls-downgrade-scsv-00 for details. */ |
| 132 |
+#define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080L |
| 133 |
|
| 134 |
|
| 135 |
/* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value, |
| 136 |
@@ -1145,6 +1149,7 @@ size_t SSL_get_peer_finished(const SSL * |
| 137 |
#define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR /* fatal */ |
| 138 |
#define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED |
| 139 |
#define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION |
| 140 |
+#define SSL_AD_INAPPROPRIATE_FALLBACK TLS1_AD_INAPPROPRIATE_FALLBACK /* fatal */ |
| 141 |
|
| 142 |
#define SSL_ERROR_NONE 0 |
| 143 |
#define SSL_ERROR_SSL 1 |
| 144 |
@@ -1207,6 +1212,8 @@ size_t SSL_get_peer_finished(const SSL * |
| 145 |
#define SSL_CTRL_CLEAR_OPTIONS 77 |
| 146 |
#define SSL_CTRL_CLEAR_MODE 78 |
| 147 |
|
| 148 |
+#define SSL_CTRL_CHECK_PROTO_VERSION 119 |
| 149 |
+ |
| 150 |
#define SSL_session_reused(ssl) \ |
| 151 |
SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL) |
| 152 |
#define SSL_num_renegotiations(ssl) \ |
| 153 |
@@ -1824,6 +1831,7 @@ void ERR_load_SSL_strings(void); |
| 154 |
#define SSL_R_HTTPS_PROXY_REQUEST 155 |
| 155 |
#define SSL_R_HTTP_REQUEST 156 |
| 156 |
#define SSL_R_ILLEGAL_PADDING 283 |
| 157 |
+#define SSL_R_INAPPROPRIATE_FALLBACK 373 |
| 158 |
#define SSL_R_INVALID_CHALLENGE_LENGTH 158 |
| 159 |
#define SSL_R_INVALID_COMMAND 280 |
| 160 |
#define SSL_R_INVALID_PURPOSE 278 |
| 161 |
@@ -1945,6 +1953,7 @@ void ERR_load_SSL_strings(void); |
| 162 |
#define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED 1021 |
| 163 |
#define SSL_R_TLSV1_ALERT_DECRYPT_ERROR 1051 |
| 164 |
#define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION 1060 |
| 165 |
+#define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK 1086 |
| 166 |
#define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY 1071 |
| 167 |
#define SSL_R_TLSV1_ALERT_INTERNAL_ERROR 1080 |
| 168 |
#define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION 1100 |
| 169 |
diff -up openssl-fips-0.9.8e/ssl/ssl_lib.c.fallback-scsv openssl-fips-0.9.8e/ssl/ssl_lib.c |
| 170 |
--- openssl-fips-0.9.8e/ssl/ssl_lib.c.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 171 |
+++ openssl-fips-0.9.8e/ssl/ssl_lib.c 2014-10-15 16:07:06.410553894 +0200 |
| 172 |
@@ -1257,6 +1257,8 @@ int ssl_cipher_list_to_bytes(SSL *s,STAC |
| 173 |
|
| 174 |
if (sk == NULL) return(0); |
| 175 |
q=p; |
| 176 |
+ if (put_cb == NULL) |
| 177 |
+ put_cb = s->method->put_cipher_by_char; |
| 178 |
|
| 179 |
for (i=0; i<sk_SSL_CIPHER_num(sk); i++) |
| 180 |
{ |
| 181 |
@@ -1266,24 +1268,36 @@ int ssl_cipher_list_to_bytes(SSL *s,STAC |
| 182 |
continue; |
| 183 |
#endif /* OPENSSL_NO_KRB5 */ |
| 184 |
|
| 185 |
- j = put_cb ? put_cb(c,p) : ssl_put_cipher_by_char(s,c,p); |
| 186 |
+ j = put_cb(c,p); |
| 187 |
p+=j; |
| 188 |
} |
| 189 |
- /* If p == q, no ciphers and caller indicates an error. Otherwise |
| 190 |
- * add SCSV if not renegotiating. |
| 191 |
- */ |
| 192 |
- if (p != q && !s->new_session) |
| 193 |
+ /* If p == q, no ciphers; caller indicates an error. |
| 194 |
+ * Otherwise, add applicable SCSVs. */ |
| 195 |
+ if (p != q) |
| 196 |
{ |
| 197 |
- static SSL_CIPHER scsv = |
| 198 |
+ if (!s->new_session) |
| 199 |
{ |
| 200 |
- 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, |
| 201 |
- }; |
| 202 |
- j = put_cb ? put_cb(&scsv,p) : ssl_put_cipher_by_char(s,&scsv,p); |
| 203 |
- p+=j; |
| 204 |
+ static SSL_CIPHER scsv = |
| 205 |
+ { |
| 206 |
+ 0, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, |
| 207 |
+ }; |
| 208 |
+ j = put_cb(&scsv,p); |
| 209 |
+ p+=j; |
| 210 |
#ifdef OPENSSL_RI_DEBUG |
| 211 |
- fprintf(stderr, "SCSV sent by client\n"); |
| 212 |
+ fprintf(stderr, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV sent by client\n"); |
| 213 |
#endif |
| 214 |
- } |
| 215 |
+ } |
| 216 |
+ |
| 217 |
+ if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV) |
| 218 |
+ { |
| 219 |
+ static SSL_CIPHER scsv = |
| 220 |
+ { |
| 221 |
+ 0, NULL, SSL3_CK_FALLBACK_SCSV, 0, 0, 0, 0, 0, 0, 0, |
| 222 |
+ }; |
| 223 |
+ j = put_cb(&scsv,p); |
| 224 |
+ p+=j; |
| 225 |
+ } |
| 226 |
+ } |
| 227 |
|
| 228 |
return(p-q); |
| 229 |
} |
| 230 |
@@ -1294,11 +1308,12 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_ciphe |
| 231 |
SSL_CIPHER *c; |
| 232 |
STACK_OF(SSL_CIPHER) *sk; |
| 233 |
int i,n; |
| 234 |
+ |
| 235 |
if (s->s3) |
| 236 |
s->s3->send_connection_binding = 0; |
| 237 |
|
| 238 |
n=ssl_put_cipher_by_char(s,NULL,NULL); |
| 239 |
- if ((num%n) != 0) |
| 240 |
+ if (n == 0 || (num%n) != 0) |
| 241 |
{ |
| 242 |
SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST); |
| 243 |
return(NULL); |
| 244 |
@@ -1313,7 +1328,7 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_ciphe |
| 245 |
|
| 246 |
for (i=0; i<num; i+=n) |
| 247 |
{ |
| 248 |
- /* Check for SCSV */ |
| 249 |
+ /* Check for TLS_EMPTY_RENEGOTIATION_INFO_SCSV */ |
| 250 |
if (s->s3 && (n != 3 || !p[0]) && |
| 251 |
(p[n-2] == ((SSL3_CK_SCSV >> 8) & 0xff)) && |
| 252 |
(p[n-1] == (SSL3_CK_SCSV & 0xff))) |
| 253 |
@@ -1333,6 +1348,23 @@ STACK_OF(SSL_CIPHER) *ssl_bytes_to_ciphe |
| 254 |
continue; |
| 255 |
} |
| 256 |
|
| 257 |
+ /* Check for TLS_FALLBACK_SCSV */ |
| 258 |
+ if ((n != 3 || !p[0]) && |
| 259 |
+ (p[n-2] == ((SSL3_CK_FALLBACK_SCSV >> 8) & 0xff)) && |
| 260 |
+ (p[n-1] == (SSL3_CK_FALLBACK_SCSV & 0xff))) |
| 261 |
+ { |
| 262 |
+ /* The SCSV indicates that the client previously tried a higher version. |
| 263 |
+ * Fail if the current version is an unexpected downgrade. */ |
| 264 |
+ if (!SSL_ctrl(s, SSL_CTRL_CHECK_PROTO_VERSION, 0, NULL)) |
| 265 |
+ { |
| 266 |
+ SSLerr(SSL_F_SSL_BYTES_TO_CIPHER_LIST,SSL_R_INAPPROPRIATE_FALLBACK); |
| 267 |
+ if (s->s3) |
| 268 |
+ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INAPPROPRIATE_FALLBACK); |
| 269 |
+ goto err; |
| 270 |
+ } |
| 271 |
+ continue; |
| 272 |
+ } |
| 273 |
+ |
| 274 |
c=ssl_get_cipher_by_char(s,p); |
| 275 |
p+=n; |
| 276 |
if (c != NULL) |
| 277 |
diff -up openssl-fips-0.9.8e/ssl/ssl_locl.h.fallback-scsv openssl-fips-0.9.8e/ssl/ssl_locl.h |
| 278 |
--- openssl-fips-0.9.8e/ssl/ssl_locl.h.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 279 |
+++ openssl-fips-0.9.8e/ssl/ssl_locl.h 2014-10-15 16:20:04.917129020 +0200 |
| 280 |
@@ -684,7 +684,7 @@ SSL_METHOD *func_name(void) \ |
| 281 |
dtls1_read_bytes, \ |
| 282 |
dtls1_write_app_data_bytes, \ |
| 283 |
dtls1_dispatch_alert, \ |
| 284 |
- ssl3_ctrl, \ |
| 285 |
+ dtls1_ctrl, \ |
| 286 |
ssl3_ctx_ctrl, \ |
| 287 |
ssl3_get_cipher_by_char, \ |
| 288 |
ssl3_put_cipher_by_char, \ |
| 289 |
diff -up openssl-fips-0.9.8e/ssl/ssl3.h.fallback-scsv openssl-fips-0.9.8e/ssl/ssl3.h |
| 290 |
--- openssl-fips-0.9.8e/ssl/ssl3.h.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 291 |
+++ openssl-fips-0.9.8e/ssl/ssl3.h 2014-10-15 16:07:06.409553872 +0200 |
| 292 |
@@ -129,9 +129,14 @@ |
| 293 |
extern "C" { |
| 294 |
#endif |
| 295 |
|
| 296 |
-/* Signalling cipher suite value: from draft-ietf-tls-renegotiation-03.txt */ |
| 297 |
+/* Signalling cipher suite value from RFC 5746 |
| 298 |
+ * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV) */ |
| 299 |
#define SSL3_CK_SCSV 0x030000FF |
| 300 |
|
| 301 |
+/* Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00 |
| 302 |
+ * (TLS_FALLBACK_SCSV) */ |
| 303 |
+#define SSL3_CK_FALLBACK_SCSV 0x03005600 |
| 304 |
+ |
| 305 |
#define SSL3_CK_RSA_NULL_MD5 0x03000001 |
| 306 |
#define SSL3_CK_RSA_NULL_SHA 0x03000002 |
| 307 |
#define SSL3_CK_RSA_RC4_40_MD5 0x03000003 |
| 308 |
diff -up openssl-fips-0.9.8e/ssl/s2_lib.c.fallback-scsv openssl-fips-0.9.8e/ssl/s2_lib.c |
| 309 |
--- openssl-fips-0.9.8e/ssl/s2_lib.c.fallback-scsv 2007-01-21 17:07:25.000000000 +0100 |
| 310 |
+++ openssl-fips-0.9.8e/ssl/s2_lib.c 2014-10-15 16:07:06.407553827 +0200 |
| 311 |
@@ -314,6 +314,8 @@ long ssl2_ctrl(SSL *s, int cmd, long lar |
| 312 |
case SSL_CTRL_GET_SESSION_REUSED: |
| 313 |
ret=s->hit; |
| 314 |
break; |
| 315 |
+ case SSL_CTRL_CHECK_PROTO_VERSION: |
| 316 |
+ return ssl3_ctrl(s, SSL_CTRL_CHECK_PROTO_VERSION, larg, parg); |
| 317 |
default: |
| 318 |
break; |
| 319 |
} |
| 320 |
@@ -362,7 +364,7 @@ int ssl2_put_cipher_by_char(const SSL_CI |
| 321 |
if (p != NULL) |
| 322 |
{ |
| 323 |
l=c->id; |
| 324 |
- if ((l & 0xff000000) != 0x02000000) return(0); |
| 325 |
+ if ((l & 0xff000000) != 0x02000000 && l != SSL3_CK_FALLBACK_SCSV) return(0); |
| 326 |
p[0]=((unsigned char)(l>>16L))&0xFF; |
| 327 |
p[1]=((unsigned char)(l>> 8L))&0xFF; |
| 328 |
p[2]=((unsigned char)(l ))&0xFF; |
| 329 |
diff -up openssl-fips-0.9.8e/ssl/s23_clnt.c.fallback-scsv openssl-fips-0.9.8e/ssl/s23_clnt.c |
| 330 |
--- openssl-fips-0.9.8e/ssl/s23_clnt.c.fallback-scsv 2014-10-15 16:07:06.407553827 +0200 |
| 331 |
+++ openssl-fips-0.9.8e/ssl/s23_clnt.c 2014-10-15 16:31:03.515997177 +0200 |
| 332 |
@@ -553,6 +553,9 @@ static int ssl23_get_server_hello(SSL *s |
| 333 |
SSLerr(SSL_F_SSL23_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_PROTOCOL); |
| 334 |
goto err; |
| 335 |
} |
| 336 |
+ |
| 337 |
+ /* ensure that TLS_MAX_VERSION is up-to-date */ |
| 338 |
+ OPENSSL_assert(s->version <= TLS_MAX_VERSION); |
| 339 |
|
| 340 |
s->handshake_func=s->method->ssl_connect; |
| 341 |
} |
| 342 |
diff -up openssl-fips-0.9.8e/ssl/s23_srvr.c.fallback-scsv openssl-fips-0.9.8e/ssl/s23_srvr.c |
| 343 |
--- openssl-fips-0.9.8e/ssl/s23_srvr.c.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 344 |
+++ openssl-fips-0.9.8e/ssl/s23_srvr.c 2014-10-15 16:07:06.407553827 +0200 |
| 345 |
@@ -402,6 +402,9 @@ int ssl23_get_client_hello(SSL *s) |
| 346 |
} |
| 347 |
#endif |
| 348 |
|
| 349 |
+ /* ensure that TLS_MAX_VERSION is up-to-date */ |
| 350 |
+ OPENSSL_assert(s->version <= TLS_MAX_VERSION); |
| 351 |
+ |
| 352 |
if (s->state == SSL23_ST_SR_CLNT_HELLO_B) |
| 353 |
{ |
| 354 |
/* we have SSLv3/TLSv1 in an SSLv2 header |
| 355 |
diff -up openssl-fips-0.9.8e/ssl/s3_enc.c.fallback-scsv openssl-fips-0.9.8e/ssl/s3_enc.c |
| 356 |
diff -up openssl-fips-0.9.8e/ssl/s3_lib.c.fallback-scsv openssl-fips-0.9.8e/ssl/s3_lib.c |
| 357 |
--- openssl-fips-0.9.8e/ssl/s3_lib.c.fallback-scsv 2007-05-21 14:45:10.000000000 +0200 |
| 358 |
+++ openssl-fips-0.9.8e/ssl/s3_lib.c 2014-10-15 16:32:22.307775935 +0200 |
| 359 |
@@ -1904,6 +1904,29 @@ long ssl3_ctrl(SSL *s, int cmd, long lar |
| 360 |
} |
| 361 |
break; |
| 362 |
#endif /* !OPENSSL_NO_ECDH */ |
| 363 |
+ |
| 364 |
+ case SSL_CTRL_CHECK_PROTO_VERSION: |
| 365 |
+ /* For library-internal use; checks that the current protocol |
| 366 |
+ * is the highest enabled version (according to s->ctx->method, |
| 367 |
+ * as version negotiation may have changed s->method). */ |
| 368 |
+ if (s->version == s->ctx->method->version) |
| 369 |
+ return 1; |
| 370 |
+ /* Apparently we're using a version-flexible SSL_METHOD |
| 371 |
+ * (not at its highest protocol version). */ |
| 372 |
+ if (s->ctx->method->version == SSLv23_method()->version) |
| 373 |
+ { |
| 374 |
+#if TLS_MAX_VERSION != TLS1_VERSION |
| 375 |
+# error Code needs update for SSLv23_method() support beyond TLS1_VERSION. |
| 376 |
+#endif |
| 377 |
+ if (!(s->options & SSL_OP_NO_TLSv1)) |
| 378 |
+ return s->version == TLS1_VERSION; |
| 379 |
+ if (!(s->options & SSL_OP_NO_SSLv3)) |
| 380 |
+ return s->version == SSL3_VERSION; |
| 381 |
+ if (!(s->options & SSL_OP_NO_SSLv2)) |
| 382 |
+ return s->version == SSL2_VERSION; |
| 383 |
+ } |
| 384 |
+ return 0; /* Unexpected state; fail closed. */ |
| 385 |
+ |
| 386 |
default: |
| 387 |
break; |
| 388 |
} |
| 389 |
@@ -2133,6 +2156,7 @@ long ssl3_ctx_callback_ctrl(SSL_CTX *ctx |
| 390 |
} |
| 391 |
break; |
| 392 |
#endif |
| 393 |
+ |
| 394 |
default: |
| 395 |
return(0); |
| 396 |
} |
| 397 |
diff -up openssl-fips-0.9.8e/ssl/tls1.h.fallback-scsv openssl-fips-0.9.8e/ssl/tls1.h |
| 398 |
--- openssl-fips-0.9.8e/ssl/tls1.h.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 399 |
+++ openssl-fips-0.9.8e/ssl/tls1.h 2014-10-15 16:28:09.813075757 +0200 |
| 400 |
@@ -81,9 +81,24 @@ extern "C" { |
| 401 |
#define TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES 0 |
| 402 |
|
| 403 |
#define TLS1_VERSION 0x0301 |
| 404 |
+#define TLS1_1_VERSION 0x0302 |
| 405 |
+#define TLS1_2_VERSION 0x0303 |
| 406 |
+/* TLS 1.1 and 1.2 are not supported by this version of OpenSSL, so |
| 407 |
+ * TLS_MAX_VERSION indicates TLS 1.0 regardless of the above |
| 408 |
+ * definitions. (s23_clnt.c and s23_srvr.c have an OPENSSL_assert() |
| 409 |
+ * check that would catch the error if TLS_MAX_VERSION was too low.) |
| 410 |
+ */ |
| 411 |
+#define TLS_MAX_VERSION TLS1_VERSION |
| 412 |
+ |
| 413 |
#define TLS1_VERSION_MAJOR 0x03 |
| 414 |
#define TLS1_VERSION_MINOR 0x01 |
| 415 |
|
| 416 |
+#define TLS1_1_VERSION_MAJOR 0x03 |
| 417 |
+#define TLS1_1_VERSION_MINOR 0x02 |
| 418 |
+ |
| 419 |
+#define TLS1_2_VERSION_MAJOR 0x03 |
| 420 |
+#define TLS1_2_VERSION_MINOR 0x03 |
| 421 |
+ |
| 422 |
#define TLS1_AD_DECRYPTION_FAILED 21 |
| 423 |
#define TLS1_AD_RECORD_OVERFLOW 22 |
| 424 |
#define TLS1_AD_UNKNOWN_CA 48 /* fatal */ |
| 425 |
@@ -94,6 +109,7 @@ extern "C" { |
| 426 |
#define TLS1_AD_PROTOCOL_VERSION 70 /* fatal */ |
| 427 |
#define TLS1_AD_INSUFFICIENT_SECURITY 71 /* fatal */ |
| 428 |
#define TLS1_AD_INTERNAL_ERROR 80 /* fatal */ |
| 429 |
+#define TLS1_AD_INAPPROPRIATE_FALLBACK 86 /* fatal */ |
| 430 |
#define TLS1_AD_USER_CANCELLED 90 |
| 431 |
#define TLS1_AD_NO_RENEGOTIATION 100 |
| 432 |
|
| 433 |
diff -up openssl-fips-0.9.8e/ssl/t1_enc.c.fallback-scsv openssl-fips-0.9.8e/ssl/t1_enc.c |
| 434 |
--- openssl-fips-0.9.8e/ssl/t1_enc.c.fallback-scsv 2014-08-08 11:54:24.000000000 +0200 |
| 435 |
+++ openssl-fips-0.9.8e/ssl/t1_enc.c 2014-10-15 16:25:54.695025409 +0200 |
| 436 |
@@ -848,9 +848,9 @@ int tls1_alert_code(int code) |
| 437 |
case SSL_AD_INTERNAL_ERROR: return(TLS1_AD_INTERNAL_ERROR); |
| 438 |
case SSL_AD_USER_CANCELLED: return(TLS1_AD_USER_CANCELLED); |
| 439 |
case SSL_AD_NO_RENEGOTIATION: return(TLS1_AD_NO_RENEGOTIATION); |
| 440 |
+ case SSL_AD_INAPPROPRIATE_FALLBACK:return(TLS1_AD_INAPPROPRIATE_FALLBACK); |
| 441 |
case DTLS1_AD_MISSING_HANDSHAKE_MESSAGE: return |
| 442 |
(DTLS1_AD_MISSING_HANDSHAKE_MESSAGE); |
| 443 |
default: return(-1); |
| 444 |
} |
| 445 |
} |
| 446 |
- |
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