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Gentoo's Bugzilla – Attachment 349444 Details for
Bug 471592
www-apache/mod_spdy-0.9.3.3: Apache 2.4 compatibility
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[patch]
apache-2.4.4-mod_ssl_with_npn.patch
apache-2.4.4-mod_ssl_with_npn.patch (text/plain), 8.61 KB, created by
Timo Gurr (RETIRED)
on 2013-05-28 12:25:27 UTC
(
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Description:
apache-2.4.4-mod_ssl_with_npn.patch
Filename:
MIME Type:
Creator:
Timo Gurr (RETIRED)
Created:
2013-05-28 12:25:27 UTC
Size:
8.61 KB
patch
obsolete
>source: https://code.google.com/p/mod-spdy/issues/detail?id=64 > >diff -ru modules/ssl/mod_ssl.c modules/ssl/mod_ssl.c >--- modules/ssl/mod_ssl.c 2012-12-11 10:55:03.000000000 +0100 >+++ modules/ssl/mod_ssl.c 2013-04-18 19:20:51.000000000 +0200 >@@ -272,6 +272,18 @@ > AP_END_CMD > }; > >+/* Implement 'modssl_run_npn_advertise_protos_hook'. */ >+APR_IMPLEMENT_OPTIONAL_HOOK_RUN_ALL( >+ modssl, AP, int, npn_advertise_protos_hook, >+ (conn_rec *connection, apr_array_header_t *protos), >+ (connection, protos), OK, DECLINED); >+ >+/* Implement 'modssl_run_npn_proto_negotiated_hook'. */ >+APR_IMPLEMENT_OPTIONAL_HOOK_RUN_ALL( >+ modssl, AP, int, npn_proto_negotiated_hook, >+ (conn_rec *connection, const char *proto_name, apr_size_t proto_name_len), >+ (connection, proto_name, proto_name_len), OK, DECLINED); >+ > /* > * the various processing hooks > */ >diff -ru modules/ssl/mod_ssl.h modules/ssl/mod_ssl.h >--- modules/ssl/mod_ssl.h 2011-09-23 15:38:09.000000000 +0200 >+++ modules/ssl/mod_ssl.h 2013-04-18 19:20:51.000000000 +0200 >@@ -63,5 +63,26 @@ > > APR_DECLARE_OPTIONAL_FN(int, ssl_engine_disable, (conn_rec *)); > >+/** The npn_advertise_protos optional hook allows other modules to add entries >+ * to the list of protocol names advertised by the server during the Next >+ * Protocol Negotiation (NPN) portion of the SSL handshake. The hook callee is >+ * given the connection and an APR array; it should push one or more char*'s >+ * pointing to null-terminated strings (such as "http/1.1" or "spdy/2") onto >+ * the array and return OK, or do nothing and return DECLINED. */ >+APR_DECLARE_EXTERNAL_HOOK(modssl, AP, int, npn_advertise_protos_hook, >+ (conn_rec *connection, apr_array_header_t *protos)); >+ >+/** The npn_proto_negotiated optional hook allows other modules to discover the >+ * name of the protocol that was chosen during the Next Protocol Negotiation >+ * (NPN) portion of the SSL handshake. Note that this may be the empty string >+ * (in which case modules should probably assume HTTP), or it may be a protocol >+ * that was never even advertised by the server. The hook callee is given the >+ * connection, a non-null-terminated string containing the protocol name, and >+ * the length of the string; it should do something appropriate (i.e. insert or >+ * remove filters) and return OK, or do nothing and return DECLINED. */ >+APR_DECLARE_EXTERNAL_HOOK(modssl, AP, int, npn_proto_negotiated_hook, >+ (conn_rec *connection, const char *proto_name, >+ apr_size_t proto_name_len)); >+ > #endif /* __MOD_SSL_H__ */ > /** @} */ >diff -ru modules/ssl/ssl_engine_init.c modules/ssl/ssl_engine_init.c >--- modules/ssl/ssl_engine_init.c 2012-12-11 10:55:03.000000000 +0100 >+++ modules/ssl/ssl_engine_init.c 2013-04-18 19:20:51.000000000 +0200 >@@ -725,6 +725,11 @@ > #endif > > SSL_CTX_set_info_callback(ctx, ssl_callback_Info); >+ >+#ifdef HAVE_TLS_NPN >+ SSL_CTX_set_next_protos_advertised_cb( >+ ctx, ssl_callback_AdvertiseNextProtos, NULL); >+#endif > } > > static void ssl_init_ctx_verify(server_rec *s, >diff -ru modules/ssl/ssl_engine_io.c modules/ssl/ssl_engine_io.c >--- modules/ssl/ssl_engine_io.c 2012-09-21 17:10:12.000000000 +0200 >+++ modules/ssl/ssl_engine_io.c 2013-04-18 19:20:51.000000000 +0200 >@@ -297,6 +297,7 @@ > apr_pool_t *pool; > char buffer[AP_IOBUFSIZE]; > ssl_filter_ctx_t *filter_ctx; >+ int npn_finished; /* 1 if NPN has finished, 0 otherwise */ > } bio_filter_in_ctx_t; > > /* >@@ -1385,6 +1386,27 @@ > APR_BRIGADE_INSERT_TAIL(bb, bucket); > } > >+#ifdef HAVE_TLS_NPN >+ /* By this point, Next Protocol Negotiation (NPN) should be completed (if >+ * our version of OpenSSL supports it). If we haven't already, find out >+ * which protocol was decided upon and inform other modules by calling >+ * npn_proto_negotiated_hook. */ >+ if (!inctx->npn_finished) { >+ const unsigned char *next_proto = NULL; >+ unsigned next_proto_len = 0; >+ >+ SSL_get0_next_proto_negotiated( >+ inctx->ssl, &next_proto, &next_proto_len); >+ ap_log_cerror(APLOG_MARK, APLOG_DEBUG, APR_SUCCESS, f->c, >+ "SSL NPN negotiated protocol: '%s'", >+ apr_pstrmemdup(f->c->pool, (const char*)next_proto, >+ next_proto_len)); >+ modssl_run_npn_proto_negotiated_hook( >+ f->c, (const char*)next_proto, next_proto_len); >+ inctx->npn_finished = 1; >+ } >+#endif >+ > return APR_SUCCESS; > } > >@@ -1866,6 +1888,7 @@ > inctx->block = APR_BLOCK_READ; > inctx->pool = c->pool; > inctx->filter_ctx = filter_ctx; >+ inctx->npn_finished = 0; > } > > /* The request_rec pointer is passed in here only to ensure that the >diff -ru modules/ssl/ssl_engine_kernel.c modules/ssl/ssl_engine_kernel.c >--- modules/ssl/ssl_engine_kernel.c 2012-12-11 10:55:03.000000000 +0100 >+++ modules/ssl/ssl_engine_kernel.c 2013-04-18 19:20:51.000000000 +0200 >@@ -2186,3 +2186,84 @@ > } > > #endif /* OPENSSL_NO_SRP */ >+ >+#ifdef HAVE_TLS_NPN >+/* >+ * This callback function is executed when SSL needs to decide what protocols >+ * to advertise during Next Protocol Negotiation (NPN). It must produce a >+ * string in wire format -- a sequence of length-prefixed strings -- indicating >+ * the advertised protocols. Refer to SSL_CTX_set_next_protos_advertised_cb >+ * in OpenSSL for reference. >+ */ >+int ssl_callback_AdvertiseNextProtos(SSL *ssl, const unsigned char **data_out, >+ unsigned int *size_out, void *arg) >+{ >+ conn_rec *c = (conn_rec*)SSL_get_app_data(ssl); >+ apr_array_header_t *protos; >+ int num_protos; >+ unsigned int size; >+ int i; >+ unsigned char *data; >+ unsigned char *start; >+ >+ *data_out = NULL; >+ *size_out = 0; >+ >+ /* If the connection object is not available, then there's nothing for us >+ * to do. */ >+ if (c == NULL) { >+ return SSL_TLSEXT_ERR_OK; >+ } >+ >+ /* Invoke our npn_advertise_protos hook, giving other modules a chance to >+ * add alternate protocol names to advertise. */ >+ protos = apr_array_make(c->pool, 0, sizeof(char*)); >+ modssl_run_npn_advertise_protos_hook(c, protos); >+ num_protos = protos->nelts; >+ >+ /* We now have a list of null-terminated strings; we need to concatenate >+ * them together into a single string, where each protocol name is prefixed >+ * by its length. First, calculate how long that string will be. */ >+ size = 0; >+ for (i = 0; i < num_protos; ++i) { >+ const char *string = APR_ARRAY_IDX(protos, i, const char*); >+ unsigned int length = strlen(string); >+ /* If the protocol name is too long (the length must fit in one byte), >+ * then log an error and skip it. */ >+ if (length > 255) { >+ ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, c, >+ "SSL NPN protocol name too long (length=%u): %s", >+ length, string); >+ continue; >+ } >+ /* Leave room for the length prefix (one byte) plus the protocol name >+ * itself. */ >+ size += 1 + length; >+ } >+ >+ /* If there is nothing to advertise (either because no modules added >+ * anything to the protos array, or because all strings added to the array >+ * were skipped), then we're done. */ >+ if (size == 0) { >+ return SSL_TLSEXT_ERR_OK; >+ } >+ >+ /* Now we can build the string. Copy each protocol name string into the >+ * larger string, prefixed by its length. */ >+ data = apr_palloc(c->pool, size * sizeof(unsigned char)); >+ start = data; >+ for (i = 0; i < num_protos; ++i) { >+ const char *string = APR_ARRAY_IDX(protos, i, const char*); >+ apr_size_t length = strlen(string); >+ *start = (unsigned char)length; >+ ++start; >+ memcpy(start, string, length * sizeof(unsigned char)); >+ start += length; >+ } >+ >+ /* Success. */ >+ *data_out = data; >+ *size_out = size; >+ return SSL_TLSEXT_ERR_OK; >+} >+#endif >diff -ru modules/ssl/ssl_private.h modules/ssl/ssl_private.h >--- modules/ssl/ssl_private.h 2012-12-11 10:55:03.000000000 +0100 >+++ modules/ssl/ssl_private.h 2013-04-18 19:20:51.000000000 +0200 >@@ -149,6 +149,11 @@ > #define OPENSSL_NO_EC > #endif > >+#if OPENSSL_VERSION_NUMBER >= 0x10001000L && !defined(OPENSSL_NO_NEXTPROTONEG) \ >+ && !defined(OPENSSL_NO_TLSEXT) >+#define HAVE_TLS_NPN >+#endif >+ > #ifndef PEM_F_DEF_CALLBACK > #ifdef PEM_F_PEM_DEF_CALLBACK > /** In OpenSSL 0.9.8 PEM_F_DEF_CALLBACK was renamed */ >@@ -614,6 +619,7 @@ > unsigned char aes_key[16]; > } modssl_ticket_key_t; > #endif >+int ssl_callback_AdvertiseNextProtos(SSL *ssl, const unsigned char **data, unsigned int *len, void *arg); > > typedef struct SSLSrvConfigRec SSLSrvConfigRec; >
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bug 471592
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349440
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349442
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349444