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7f0747ce73
openssl/openssl-1.0.0-beta4-tls-comp.patch
Tomáš Mráz 2d6ef07fa3 - upstream fix compression handling on session resumption 
- various null checks and other small fixes from upstream
- upstream changes for the renegotiation info according to the latest draft
2010-01-07 22:43:57 +00:00

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diff -up openssl-1.0.0-beta4/ssl/ssl_err.c.tls-comp openssl-1.0.0-beta4/ssl/ssl_err.c
--- openssl-1.0.0-beta4/ssl/ssl_err.c.tls-comp 2010-01-07 18:45:46.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/ssl_err.c 2010-01-07 22:46:10.000000000 +0100
@@ -329,6 +329,7 @@ static ERR_STRING_DATA SSL_str_reasons[]
{ERR_REASON(SSL_R_CIPHER_TABLE_SRC_ERROR),"cipher table src error"},
{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"},
{ERR_REASON(SSL_R_COMPRESSION_FAILURE) ,"compression failure"},
{ERR_REASON(SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE),"compression id not within private range"},
{ERR_REASON(SSL_R_COMPRESSION_LIBRARY_ERROR),"compression library error"},
@@ -357,8 +358,10 @@ static ERR_STRING_DATA SSL_str_reasons[]
{ERR_REASON(SSL_R_HTTPS_PROXY_REQUEST) ,"https proxy request"},
{ERR_REASON(SSL_R_HTTP_REQUEST) ,"http request"},
{ERR_REASON(SSL_R_ILLEGAL_PADDING) ,"illegal padding"},
+{ERR_REASON(SSL_R_INCONSISTENT_COMPRESSION),"inconsistent compression"},
{ERR_REASON(SSL_R_INVALID_CHALLENGE_LENGTH),"invalid challenge length"},
{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_STATUS_RESPONSE),"invalid status response"},
{ERR_REASON(SSL_R_INVALID_TICKET_KEYS_LENGTH),"invalid ticket keys length"},
@@ -421,6 +424,7 @@ static ERR_STRING_DATA SSL_str_reasons[]
{ERR_REASON(SSL_R_NULL_SSL_CTX) ,"null ssl ctx"},
{ERR_REASON(SSL_R_NULL_SSL_METHOD_PASSED),"null ssl method passed"},
{ERR_REASON(SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED),"old session cipher not returned"},
+{ERR_REASON(SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED),"old session compression algorithm not returned"},
{ERR_REASON(SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE),"only tls allowed in fips mode"},
{ERR_REASON(SSL_R_OPAQUE_PRF_INPUT_TOO_LONG),"opaque PRF input too long"},
{ERR_REASON(SSL_R_PACKET_LENGTH_TOO_LONG),"packet length too long"},
@@ -451,6 +455,7 @@ static ERR_STRING_DATA SSL_str_reasons[]
{ERR_REASON(SSL_R_RENEGOTIATION_ENCODING_ERR),"renegotiation encoding err"},
{ERR_REASON(SSL_R_RENEGOTIATION_MISMATCH),"renegotiation mismatch"},
{ERR_REASON(SSL_R_REQUIRED_CIPHER_MISSING),"required cipher missing"},
+{ERR_REASON(SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING),"required compresssion algorithm missing"},
{ERR_REASON(SSL_R_REUSE_CERT_LENGTH_NOT_ZERO),"reuse cert length not zero"},
{ERR_REASON(SSL_R_REUSE_CERT_TYPE_NOT_ZERO),"reuse cert type not zero"},
{ERR_REASON(SSL_R_REUSE_CIPHER_LIST_NOT_ZERO),"reuse cipher list not zero"},
diff -up openssl-1.0.0-beta4/ssl/ssl.h.tls-comp openssl-1.0.0-beta4/ssl/ssl.h
--- openssl-1.0.0-beta4/ssl/ssl.h.tls-comp 2010-01-07 18:45:46.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/ssl.h 2010-01-07 22:47:07.000000000 +0100
@@ -485,7 +485,7 @@ typedef struct ssl_session_st
long timeout;
long time;
- int compress_meth; /* Need to lookup the method */
+ unsigned int compress_meth; /* Need to lookup the method */
const SSL_CIPHER *cipher;
unsigned long cipher_id; /* when ASN.1 loaded, this
@@ -2051,6 +2051,7 @@ void ERR_load_SSL_strings(void);
#define SSL_R_CIPHER_TABLE_SRC_ERROR 139
#define SSL_R_CLIENTHELLO_TLSEXT 226
#define SSL_R_COMPRESSED_LENGTH_TOO_LONG 140
+#define SSL_R_COMPRESSION_DISABLED 343
#define SSL_R_COMPRESSION_FAILURE 141
#define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE 307
#define SSL_R_COMPRESSION_LIBRARY_ERROR 142
@@ -2079,8 +2080,10 @@ void ERR_load_SSL_strings(void);
#define SSL_R_HTTPS_PROXY_REQUEST 155
#define SSL_R_HTTP_REQUEST 156
#define SSL_R_ILLEGAL_PADDING 283
+#define SSL_R_INCONSISTENT_COMPRESSION 340
#define SSL_R_INVALID_CHALLENGE_LENGTH 158
#define SSL_R_INVALID_COMMAND 280
+#define SSL_R_INVALID_COMPRESSION_ALGORITHM 341
#define SSL_R_INVALID_PURPOSE 278
#define SSL_R_INVALID_STATUS_RESPONSE 328
#define SSL_R_INVALID_TICKET_KEYS_LENGTH 325
@@ -2143,6 +2146,7 @@ void ERR_load_SSL_strings(void);
#define SSL_R_NULL_SSL_CTX 195
#define SSL_R_NULL_SSL_METHOD_PASSED 196
#define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED 197
+#define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
#define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE 297
#define SSL_R_OPAQUE_PRF_INPUT_TOO_LONG 327
#define SSL_R_PACKET_LENGTH_TOO_LONG 198
@@ -2173,6 +2177,7 @@ void ERR_load_SSL_strings(void);
#define SSL_R_RENEGOTIATION_ENCODING_ERR 336
#define SSL_R_RENEGOTIATION_MISMATCH 337
#define SSL_R_REQUIRED_CIPHER_MISSING 215
+#define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING 342
#define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO 216
#define SSL_R_REUSE_CERT_TYPE_NOT_ZERO 217
#define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO 218
diff -up openssl-1.0.0-beta4/ssl/s3_clnt.c.tls-comp openssl-1.0.0-beta4/ssl/s3_clnt.c
--- openssl-1.0.0-beta4/ssl/s3_clnt.c.tls-comp 2010-01-07 17:53:12.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/s3_clnt.c 2010-01-07 22:47:07.000000000 +0100
@@ -895,10 +895,31 @@ int ssl3_get_server_hello(SSL *s)
SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
goto f_err;
}
+ /* If compression is disabled we'd better not try to resume a session
+ * using compression.
+ */
+ if (s->session->compress_meth != 0)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_INCONSISTENT_COMPRESSION);
+ goto f_err;
+ }
#else
j= *(p++);
- if ((j == 0) || (s->options & SSL_OP_NO_COMPRESSION))
+ if (s->hit && j != s->session->compress_meth)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED);
+ goto f_err;
+ }
+ if (j == 0)
comp=NULL;
+ else if (s->options & SSL_OP_NO_COMPRESSION)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_COMPRESSION_DISABLED);
+ goto f_err;
+ }
else
comp=ssl3_comp_find(s->ctx->comp_methods,j);
diff -up openssl-1.0.0-beta4/ssl/s3_srvr.c.tls-comp openssl-1.0.0-beta4/ssl/s3_srvr.c
--- openssl-1.0.0-beta4/ssl/s3_srvr.c.tls-comp 2010-01-07 17:53:12.000000000 +0100
+++ openssl-1.0.0-beta4/ssl/s3_srvr.c 2010-01-07 22:46:10.000000000 +0100
@@ -1088,7 +1088,50 @@ int ssl3_get_client_hello(SSL *s)
* algorithms from the client, starting at q. */
s->s3->tmp.new_compression=NULL;
#ifndef OPENSSL_NO_COMP
- if (!(s->options & SSL_OP_NO_COMPRESSION) && s->ctx->comp_methods)
+ /* This only happens if we have a cache hit */
+ if (s->session->compress_meth != 0)
+ {
+ int m, comp_id = s->session->compress_meth;
+ /* Perform sanity checks on resumed compression algorithm */
+ /* Can't disable compression */
+ if (s->options & SSL_OP_NO_COMPRESSION)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_INCONSISTENT_COMPRESSION);
+ goto f_err;
+ }
+ /* Look for resumed compression method */
+ for (m = 0; m < sk_SSL_COMP_num(s->ctx->comp_methods); m++)
+ {
+ comp=sk_SSL_COMP_value(s->ctx->comp_methods,m);
+ if (comp_id == comp->id)
+ {
+ s->s3->tmp.new_compression=comp;
+ break;
+ }
+ }
+ if (s->s3->tmp.new_compression == NULL)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_INVALID_COMPRESSION_ALGORITHM);
+ goto f_err;
+ }
+ /* Look for resumed method in compression list */
+ for (m = 0; m < i; m++)
+ {
+ if (q[m] == comp_id)
+ break;
+ }
+ if (m >= i)
+ {
+ al=SSL_AD_ILLEGAL_PARAMETER;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING);
+ goto f_err;
+ }
+ }
+ else if (s->hit)
+ comp = NULL;
+ else if (!(s->options & SSL_OP_NO_COMPRESSION) && s->ctx->comp_methods)
{ /* See if we have a match */
int m,nn,o,v,done=0;
@@ -1112,6 +1155,16 @@ int ssl3_get_client_hello(SSL *s)
else
comp=NULL;
}
+#else
+ /* If compression is disabled we'd better not try to resume a session
+ * using compression.
+ */
+ if (s->session->compress_meth != 0)
+ {
+ al=SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,SSL_R_INCONSISTENT_COMPRESSION);
+ goto f_err;
+ }
#endif
/* Given s->session->ciphers and SSL_get_ciphers, we must
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