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a13217b462
gnutls/SOURCES/gnutls-3.7.6-ktls-fixes.patch
CentOS Sources a13217b462 import gnutls-3.7.6-12.el9_0
2022-10-12 02:35:33 +00:00

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From 7b700dbcd5907944a7dd2f74cd26ad8586cd4bac Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@gnu.org>
Date: Tue, 28 Jun 2022 09:37:22 +0900
Subject: [PATCH 1/3] tests: enable KTLS config while running gnutls_ktls test
Signed-off-by: Daiki Ueno <ueno@gnu.org>
---
tests/Makefile.am | 9 +++++----
tests/gnutls_ktls.c | 4 ++--
tests/ktls.sh | 46 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 53 insertions(+), 6 deletions(-)
create mode 100755 tests/ktls.sh
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4deeb6462b..cba67e8db8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -441,10 +441,6 @@ ctests += x509self x509dn anonself pskself pskself2 dhepskself \
resume-with-record-size-limit
endif
-if ENABLE_KTLS
-ctests += gnutls_ktls
-endif
-
ctests += record-sendfile
gc_CPPFLAGS = $(AM_CPPFLAGS) \
@@ -500,6 +496,11 @@ if ENABLE_TPM2
dist_check_SCRIPTS += tpm2.sh
endif
+if ENABLE_KTLS
+indirect_tests += gnutls_ktls
+dist_check_SCRIPTS += ktls.sh
+endif
+
if !WINDOWS
#
diff --git a/tests/gnutls_ktls.c b/tests/gnutls_ktls.c
index 3966e2b10a..8f9c5fa36e 100644
--- a/tests/gnutls_ktls.c
+++ b/tests/gnutls_ktls.c
@@ -84,7 +84,7 @@ static void client(int fd, const char *prio)
ret = gnutls_transport_is_ktls_enabled(session);
if (!(ret & GNUTLS_KTLS_RECV)){
- fail("client: KTLS was not properly inicialized\n");
+ fail("client: KTLS was not properly initialized\n");
goto end;
}
@@ -208,7 +208,7 @@ static void server(int fd, const char *prio)
ret = gnutls_transport_is_ktls_enabled(session);
if (!(ret & GNUTLS_KTLS_SEND)){
- fail("server: KTLS was not properly inicialized\n");
+ fail("server: KTLS was not properly initialized\n");
goto end;
}
do {
diff --git a/tests/ktls.sh b/tests/ktls.sh
new file mode 100755
index 0000000000..ba52bd5775
--- /dev/null
+++ b/tests/ktls.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# Copyright (C) 2022 Red Hat, Inc.
+#
+# Author: Daiki Ueno
+#
+# This file is part of GnuTLS.
+#
+# GnuTLS is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3 of the License, or (at
+# your option) any later version.
+#
+# GnuTLS is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GnuTLS; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+: ${builddir=.}
+
+. "$srcdir/scripts/common.sh"
+
+if ! grep '^tls ' /proc/modules 2>1 >& /dev/null; then
+ exit 77
+fi
+
+testdir=`create_testdir ktls`
+
+cfg="$testdir/config"
+
+cat <<EOF > "$cfg"
+[global]
+ktls = true
+EOF
+
+GNUTLS_SYSTEM_PRIORITY_FAIL_ON_INVALID=1 \
+GNUTLS_SYSTEM_PRIORITY_FILE="$cfg" \
+"$builddir/gnutls_ktls" "$@"
+rc=$?
+
+rm -rf "$testdir"
+exit $rc
--
2.36.1
From 4a492462535a7f3a831685d3cf420b50ef219511 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@gnu.org>
Date: Tue, 28 Jun 2022 10:23:33 +0900
Subject: [PATCH 2/3] handshake: do not reset KTLS enablement in
gnutls_handshake
As gnutls_handshake can be repeatedly called upon non-blocking setup,
we shouldn't try to call setsockopt for KTLS upon every call.
Signed-off-by: Daiki Ueno <ueno@gnu.org>
---
lib/handshake.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/lib/handshake.c b/lib/handshake.c
index 4dd457bf22..3886306eb4 100644
--- a/lib/handshake.c
+++ b/lib/handshake.c
@@ -2813,12 +2813,6 @@ int gnutls_handshake(gnutls_session_t session)
const version_entry_st *vers = get_version(session);
int ret;
- session->internals.ktls_enabled = 0;
-#ifdef ENABLE_KTLS
- if (_gnutls_config_is_ktls_enabled() == true)
- _gnutls_ktls_enable(session);
-#endif
-
if (unlikely(session->internals.initial_negotiation_completed)) {
if (vers->tls13_sem) {
if (session->security_parameters.entity == GNUTLS_CLIENT) {
@@ -2864,6 +2858,12 @@ int gnutls_handshake(gnutls_session_t session)
end->tv_nsec =
(start->tv_nsec + tmo_ms * 1000000LL) % 1000000000LL;
}
+
+#ifdef ENABLE_KTLS
+ if (_gnutls_config_is_ktls_enabled()) {
+ _gnutls_ktls_enable(session);
+ }
+#endif
}
if (session->internals.recv_state == RECV_STATE_FALSE_START) {
--
2.36.1
From ce13208e13b5dec73993c583d4c64ab7714e4a7a Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@gnu.org>
Date: Tue, 28 Jun 2022 10:53:55 +0900
Subject: [PATCH 3/3] ktls: _gnutls_ktls_enable: fix GNUTLS_KTLS_SEND
calculation
Previously, if the first setsockopt for GNUTLS_KTLS_RECV fails and the
same socket is used for both sending and receiving, GNUTLS_KTLS_SEND
was unconditionally set. This fixes the conditions and also adds more
logging.
Signed-off-by: Daiki Ueno <ueno@gnu.org>
---
lib/system/ktls.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/lib/system/ktls.c b/lib/system/ktls.c
index b9f7a73fb5..ddf27fac76 100644
--- a/lib/system/ktls.c
+++ b/lib/system/ktls.c
@@ -47,7 +47,7 @@
gnutls_transport_ktls_enable_flags_t
gnutls_transport_is_ktls_enabled(gnutls_session_t session){
if (unlikely(!session->internals.initial_negotiation_completed)){
- _gnutls_debug_log("Initial negotiation is not yet complete");
+ _gnutls_debug_log("Initial negotiation is not yet complete\n");
return 0;
}
@@ -57,16 +57,27 @@ gnutls_transport_is_ktls_enabled(gnutls_session_t session){
void _gnutls_ktls_enable(gnutls_session_t session)
{
int sockin, sockout;
+
gnutls_transport_get_int2(session, &sockin, &sockout);
- if (setsockopt(sockin, SOL_TCP, TCP_ULP, "tls", sizeof ("tls")) == 0)
+ if (setsockopt(sockin, SOL_TCP, TCP_ULP, "tls", sizeof ("tls")) == 0) {
session->internals.ktls_enabled |= GNUTLS_KTLS_RECV;
+ if (sockin == sockout) {
+ session->internals.ktls_enabled |= GNUTLS_KTLS_SEND;
+ }
+ } else {
+ _gnutls_record_log("Unable to set TCP_ULP for read socket: %d\n",
+ errno);
+ }
if (sockin != sockout) {
- if (setsockopt(sockout, SOL_TCP, TCP_ULP, "tls", sizeof ("tls")) == 0)
+ if (setsockopt(sockout, SOL_TCP, TCP_ULP, "tls", sizeof ("tls")) == 0) {
session->internals.ktls_enabled |= GNUTLS_KTLS_SEND;
- } else
- session->internals.ktls_enabled |= GNUTLS_KTLS_SEND;
+ } else {
+ _gnutls_record_log("Unable to set TCP_ULP for write socket: %d\n",
+ errno);
+ }
+ }
}
int _gnutls_ktls_set_keys(gnutls_session_t session)
--
2.36.1
From 2d3cba6bb21acb40141180298f3924c73c7de8f8 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@gnu.org>
Date: Tue, 26 Jul 2022 11:38:41 +0900
Subject: [PATCH 1/2] handshake: do not enable KTLS if custom pull/push
functions are set
If gnutls_transport_set_pull_function or
gnutls_transport_set_push_function is used, we can't assume the
underlying transport handle is an FD.
Signed-off-by: Daiki Ueno <ueno@gnu.org>
---
lib/handshake.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/lib/handshake.c b/lib/handshake.c
index 3886306eb4..cf025a84f6 100644
--- a/lib/handshake.c
+++ b/lib/handshake.c
@@ -2861,7 +2861,14 @@ int gnutls_handshake(gnutls_session_t session)
#ifdef ENABLE_KTLS
if (_gnutls_config_is_ktls_enabled()) {
- _gnutls_ktls_enable(session);
+ if (session->internals.pull_func ||
+ session->internals.push_func) {
+ _gnutls_audit_log(session,
+ "Not enabling KTLS with "
+ "custom pull/push function\n");
+ } else {
+ _gnutls_ktls_enable(session);
+ }
}
#endif
}
--
2.37.1
From f7160e4fb970b4ba6f96e85e21f8395eae735d95 Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@gnu.org>
Date: Tue, 26 Jul 2022 11:39:57 +0900
Subject: [PATCH 2/2] socket: only set pull/push functions when --save-*-trace
is used
This allows gnutls-cli to use KTLS for the transport, unless either
--save-client-trace or --save-server-trace is used.
Signed-off-by: Daiki Ueno <ueno@gnu.org>
---
src/socket.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/src/socket.c b/src/socket.c
index 39f18dbe18..36ac292700 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -586,16 +586,16 @@ socket_open2(socket_st * hd, const char *hostname, const char *service,
gnutls_session_set_data(hd->session, hd->rdata.data, hd->rdata.size);
}
- if (server_trace)
+ if (client_trace || server_trace) {
hd->server_trace = server_trace;
-
- if (client_trace)
hd->client_trace = client_trace;
-
- gnutls_transport_set_push_function(hd->session, wrap_push);
- gnutls_transport_set_pull_function(hd->session, wrap_pull);
- gnutls_transport_set_pull_timeout_function(hd->session, wrap_pull_timeout_func);
- gnutls_transport_set_ptr(hd->session, hd);
+ gnutls_transport_set_push_function(hd->session, wrap_push);
+ gnutls_transport_set_pull_function(hd->session, wrap_pull);
+ gnutls_transport_set_pull_timeout_function(hd->session, wrap_pull_timeout_func);
+ gnutls_transport_set_ptr(hd->session, hd);
+ } else {
+ gnutls_transport_set_int(hd->session, hd->fd);
+ }
}
if (!(flags & SOCKET_FLAG_RAW) && !(flags & SOCKET_FLAG_SKIP_INIT)) {
--
2.37.1
From a5b671fc9105cb5dbe6e6a1c0f39fa787d862076 Mon Sep 17 00:00:00 2001
From: Frantisek Krenzelok <krenzelok.frantisek@gmail.com>
Date: Fri, 29 Jul 2022 10:38:42 +0200
Subject: [PATCH] KTLS: hotfix
session->internals.pull_func is set to system_read during gnutls_init()
so check for user set pull/push function added in commit mentioned
bellow will never pass.
source: 2d3cba6bb21acb40141180298f3924c73c7de8f8
Signed-off-by: Frantisek Krenzelok <krenzelok.frantisek@gmail.com>
---
lib/handshake.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/handshake.c b/lib/handshake.c
index cf025a84f6..21edc5ece9 100644
--- a/lib/handshake.c
+++ b/lib/handshake.c
@@ -2861,7 +2861,8 @@ int gnutls_handshake(gnutls_session_t session)
#ifdef ENABLE_KTLS
if (_gnutls_config_is_ktls_enabled()) {
- if (session->internals.pull_func ||
+ if ((session->internals.pull_func &&
+ session->internals.pull_func != system_read) ||
session->internals.push_func) {
_gnutls_audit_log(session,
"Not enabling KTLS with "
--
2.37.1
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