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openconnect: update to 8.04 

Removed upstream patches

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
lilik-openwrt-22.03
DENG Qingfang 5 years ago
parent
c967c23124
commit
2c24c1a09e
4 changed files with 3 additions and 255 deletions
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  1. +3
    -3
      net/openconnect/Makefile
  2. +0
    -75
      net/openconnect/patches/010-Fix-compilation-without-deprecated-OpenSSL-1.1-APIs.patch
  3. +0
    -139
      net/openconnect/patches/020-Fix-DTLS-bug-when-lacking-deprecated-APIs.patch
  4. +0
    -38
      net/openconnect/patches/030-Disable-encrypt-then-mac-where-possible-with-DTLS-an.patch

+ 3
- 3
net/openconnect/Makefile View File

@ -8,12 +8,12 @@
include $(TOPDIR)/rules.mk include $(TOPDIR)/rules.mk
PKG_NAME:=openconnect PKG_NAME:=openconnect
PKG_VERSION:=8.03
PKG_RELEASE:=2
PKG_VERSION:=8.04
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=ftp://ftp.infradead.org/pub/openconnect/ PKG_SOURCE_URL:=ftp://ftp.infradead.org/pub/openconnect/
PKG_HASH:=908cff9b1ce266b6bb7f969a7f62723543ab94719ba3c95a150fe3894cbc9ef2
PKG_HASH:=98979c6e3f78b294dc663e3fd75d5c9e9d779f247be9d4e3ab84b5e90565f81f
PKG_LICENSE:=LGPL-2.1-or-later PKG_LICENSE:=LGPL-2.1-or-later
PKG_LICENSE_FILES:=COPYING.LGPL PKG_LICENSE_FILES:=COPYING.LGPL


+ 0
- 75
net/openconnect/patches/010-Fix-compilation-without-deprecated-OpenSSL-1.1-APIs.patch View File

@ -1,75 +0,0 @@
From 460c060dda115bc8066bb4b955453c673459b6cc Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Sun, 9 Jun 2019 23:36:53 -0700
Subject: [PATCH] Fix compilation without deprecated OpenSSL 1.1 APIs
Initialization and deinitialization is deprecated.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
library.c | 4 ++++
openssl.c | 2 ++
tests/bad_dtls_test.c | 4 ++++
3 files changed, 10 insertions(+)
diff --git a/library.c b/library.c
index 0e3d05e6..e45e93a2 100644
--- a/library.c
+++ b/library.c
@@ -38,6 +38,10 @@
#include "gnutls.h"
#endif
+#if defined(OPENCONNECT_OPENSSL)
+#include <openssl/bio.h>
+#endif
+
struct openconnect_info *openconnect_vpninfo_new(const char *useragent,
openconnect_validate_peer_cert_vfn validate_peer_cert,
openconnect_write_new_config_vfn write_new_config,
diff --git a/openssl.c b/openssl.c
index 2b1f07bd..e505f49a 100644
--- a/openssl.c
+++ b/openssl.c
@@ -1879,10 +1879,12 @@ int openconnect_init_ssl(void)
if (ret)
return ret;
#endif
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
SSL_library_init();
ERR_clear_error();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
+#endif
return 0;
}
diff --git a/tests/bad_dtls_test.c b/tests/bad_dtls_test.c
index ac8d3f1e..c123c8f8 100644
--- a/tests/bad_dtls_test.c
+++ b/tests/bad_dtls_test.c
@@ -752,8 +752,10 @@ int main(int argc, char *argv[])
int ret;
int i;
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
SSL_library_init();
SSL_load_error_strings();
+#endif
RAND_bytes(session_id, sizeof(session_id));
RAND_bytes(master_secret, sizeof(master_secret));
@@ -910,8 +912,10 @@ int main(int argc, char *argv[])
printf("Cisco BadDTLS test: FAILED\n");
}
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
ERR_free_strings();
EVP_cleanup();
+#endif
return testresult?0:1;
}
--
2.17.1

+ 0
- 139
net/openconnect/patches/020-Fix-DTLS-bug-when-lacking-deprecated-APIs.patch View File

@ -1,139 +0,0 @@
From afb6442533dc7475ed61642c3f5b295db1e6f561 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Sun, 9 Jun 2019 23:40:21 -0700
Subject: [PATCH] Fix DTLS bug when lacking deprecated APIs
HAVE_DTLS12 is for DTLSv1_method. This causes dtls_method to be NULL and
crash.
[dwmw2: Rework it quite a bit more]
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---
configure.ac | 17 ++++++++++++++---
openssl-dtls.c | 49 ++++++++++++++++++++++++++-----------------------
2 files changed, 40 insertions(+), 26 deletions(-)
diff --git a/configure.ac b/configure.ac
index 02096c51..f7557933 100644
--- a/configure.ac
+++ b/configure.ac
@@ -455,11 +455,22 @@ case "$ssl_library" in
AC_DEFINE(HAVE_DTLS1_STOP_TIMER, [1], [OpenSSL has dtls1_stop_timer() function])],
[AC_MSG_RESULT(no)])
- AC_MSG_CHECKING([for DTLSv1_2_client_method() in OpenSSL])
+ # DTLS_client_method() and DTLSv1_2_client_method() were both added between
+ # OpenSSL v1.0.1 and v1.0.2. DTLSV1.2_client_method() was later deprecated
+ # in v1.1.0 so we use DTLS_client_method() as our check for DTLSv1.2 support
+ # and that's what we actually use in openssl-dtls.c too.
+ AC_MSG_CHECKING([for DTLS_client_method() in OpenSSL])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],
- [DTLSv1_2_client_method();])],
+ [DTLS_client_method();])],
[AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_DTLS12, [1], [OpenSSL has DTLSv1_2_client_method() function])],
+ AC_DEFINE(HAVE_DTLS12, [1], [OpenSSL has DTLS_client_method() function])],
+ [AC_MSG_RESULT(no)])
+
+ AC_MSG_CHECKING([for SSL_CTX_set_min_proto_version() in OpenSSL])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <openssl/ssl.h>],
+ [SSL_CTX_set_min_proto_version((void *)0, 0);])],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SSL_CTX_PROTOVER, [1], [OpenSSL has SSL_CTX_set_min_proto_version() function])],
[AC_MSG_RESULT(no)])
AC_CHECK_FUNC(HMAC_CTX_copy,
diff --git a/openssl-dtls.c b/openssl-dtls.c
index 5086440f..9e3c5d46 100644
--- a/openssl-dtls.c
+++ b/openssl-dtls.c
@@ -332,6 +332,7 @@ int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
const char *cipher = vpninfo->dtls_cipher;
#ifdef HAVE_DTLS12
+ /* These things should never happen unless they're supported */
if (vpninfo->cisco_dtls12) {
dtlsver = DTLS1_2_VERSION;
} else if (!strcmp(cipher, "OC-DTLS1_2-AES128-GCM")) {
@@ -349,16 +350,16 @@ int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
if (!vpninfo->dtls_ctx) {
#ifdef HAVE_DTLS12
+ /* If we can use SSL_CTX_set_min_proto_version, do so. */
dtls_method = DTLS_client_method();
#endif
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+#ifndef HAVE_SSL_CTX_PROTOVER
+ /* If !HAVE_DTLS12, dtlsver *MUST* be DTLS1_BAD_VER because it's set
+ * at the top of the function and nothing can change it. */
if (dtlsver == DTLS1_BAD_VER)
dtls_method = DTLSv1_client_method();
-#ifdef HAVE_DTLS12
- else if (dtlsver == DTLS1_2_VERSION)
- dtls_method = DTLSv1_2_client_method();
-#endif
#endif
+
vpninfo->dtls_ctx = SSL_CTX_new(dtls_method);
if (!vpninfo->dtls_ctx) {
vpn_progress(vpninfo, PRG_ERR,
@@ -367,24 +368,26 @@ int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
vpninfo->dtls_attempt_period = 0;
return -EINVAL;
}
- if (dtlsver) {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
- if (dtlsver == DTLS1_BAD_VER)
- SSL_CTX_set_options(vpninfo->dtls_ctx, SSL_OP_CISCO_ANYCONNECT);
-#else
- if (!SSL_CTX_set_min_proto_version(vpninfo->dtls_ctx, dtlsver) ||
- !SSL_CTX_set_max_proto_version(vpninfo->dtls_ctx, dtlsver)) {
- vpn_progress(vpninfo, PRG_ERR,
- _("Set DTLS CTX version failed\n"));
- openconnect_report_ssl_errors(vpninfo);
- SSL_CTX_free(vpninfo->dtls_ctx);
- vpninfo->dtls_ctx = NULL;
- vpninfo->dtls_attempt_period = 0;
- return -EINVAL;
- }
+#ifdef HAVE_SSL_CTX_PROTOVER
+ if (dtlsver &&
+ (!SSL_CTX_set_min_proto_version(vpninfo->dtls_ctx, dtlsver) ||
+ !SSL_CTX_set_max_proto_version(vpninfo->dtls_ctx, dtlsver))) {
+ vpn_progress(vpninfo, PRG_ERR,
+ _("Set DTLS CTX version failed\n"));
+ openconnect_report_ssl_errors(vpninfo);
+ SSL_CTX_free(vpninfo->dtls_ctx);
+ vpninfo->dtls_ctx = NULL;
+ vpninfo->dtls_attempt_period = 0;
+ return -EINVAL;
+ }
+#else /* !HAVE_SSL_CTX_PROTOVER */
+ /* If we used the legacy version-specific methods, we need the special
+ * way to make TLSv1_client_method() do DTLS1_BAD_VER. */
+ if (dtlsver == DTLS1_BAD_VER)
+ SSL_CTX_set_options(vpninfo->dtls_ctx, SSL_OP_CISCO_ANYCONNECT);
#endif
#if defined (HAVE_DTLS12) && !defined(OPENSSL_NO_PSK)
- } else {
+ if (!dtlsver) {
SSL_CTX_set_psk_client_callback(vpninfo->dtls_ctx, psk_callback);
/* For PSK we override the DTLS master secret with one derived
* from the HTTPS session. */
@@ -401,9 +404,9 @@ int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
}
/* For SSL_CTX_set_cipher_list() */
cipher = "PSK";
-
-#endif
}
+#endif /* OPENSSL_NO_PSK */
+
/* If we don't readahead, then we do short reads and throw
away the tail of data packets. */
SSL_CTX_set_read_ahead(vpninfo->dtls_ctx, 1);
--
2.17.1

+ 0
- 38
net/openconnect/patches/030-Disable-encrypt-then-mac-where-possible-with-DTLS-an.patch View File

@ -1,38 +0,0 @@
From 97cafd182f5a5c2d13f57d7faeac8432aea9bbf8 Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Mon, 10 Jun 2019 12:34:43 +0100
Subject: [PATCH] Disable encrypt-then-mac where possible with DTLS and OpenSSL
There is pain here. Just don't bother.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---
openssl-dtls.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/openssl-dtls.c b/openssl-dtls.c
index 9e3c5d46..646bf71c 100644
--- a/openssl-dtls.c
+++ b/openssl-dtls.c
@@ -406,7 +406,17 @@ int start_dtls_handshake(struct openconnect_info *vpninfo, int dtls_fd)
cipher = "PSK";
}
#endif /* OPENSSL_NO_PSK */
-
+#ifdef SSL_OP_NO_ENCRYPT_THEN_MAC
+ /* I'm fairly sure I wasn't lying when I said I had tested
+ * https://github.com/openssl/openssl/commit/e23d5071ec4c7aa6bb2b
+ * against GnuTLS both with and without EtM in 2016.
+ * Nevertheless, in 2019 it seems to be failing to negotiate
+ * at least for DTLS1_BAD_VER against ocserv with GnuTLS 3.6.7.
+ * Just turn it off. Real Cisco servers don't do it for
+ * DTLS1_BAD_VER, and we should be using GCM ciphersuites in
+ * newer versions of DTLS anyway so it's irrelevant. */
+ SSL_CTX_set_options(vpninfo->dtls_ctx, SSL_OP_NO_ENCRYPT_THEN_MAC);
+#endif
/* If we don't readahead, then we do short reads and throw
away the tail of data packets. */
SSL_CTX_set_read_ahead(vpninfo->dtls_ctx, 1);
--
2.17.1

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