--- /dev/null
+From c99179777d8f4cf69c51378b91ae580c49cb57a2 Mon Sep 17 00:00:00 2001
+From: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
+Date: Mon, 5 Oct 2015 00:40:25 +0100
+Subject: [PATCH] Fix cross compilation, based on OpenWRT patch.
+
+[Vincent: tweak the patch for version 0.13.6]
+[Bernd: tweak the patch for version 0.13.7]
+
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ scripts/checks.m4 | 2 +-
+ scripts/common.m4 | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/scripts/checks.m4 b/scripts/checks.m4
+index 8d77fc5e..c446995b 100644
+--- a/scripts/checks.m4
++++ b/scripts/checks.m4
+@@ -96,7 +96,7 @@ AC_DEFUN([TORRENT_CHECK_KQUEUE], [
+ AC_DEFUN([TORRENT_CHECK_KQUEUE_SOCKET_ONLY], [
+ AC_MSG_CHECKING(whether kqueue supports pipes and ptys)
+
+- AC_RUN_IFELSE([AC_LANG_SOURCE([
++ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ #include <fcntl.h>
+ #include <stdlib.h>
+ #include <unistd.h>
+diff --git a/scripts/common.m4 b/scripts/common.m4
+index ff023928..932b205c 100644
+--- a/scripts/common.m4
++++ b/scripts/common.m4
+@@ -153,7 +153,7 @@ dnl Need to fix this so that it uses the stuff defined by the system.
+ AC_DEFUN([TORRENT_CHECK_EXECINFO], [
+ AC_MSG_CHECKING(for execinfo.h)
+
+- AC_RUN_IFELSE([AC_LANG_SOURCE([
++ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ #include <execinfo.h>
+ int main() { backtrace((void**)0, 0); backtrace_symbols((char**)0, 0); return 0;}
+ ])],
+@@ -168,7 +168,7 @@ AC_DEFUN([TORRENT_CHECK_EXECINFO], [
+ AC_DEFUN([TORRENT_CHECK_ALIGNED], [
+ AC_MSG_CHECKING(the byte alignment)
+
+- AC_RUN_IFELSE([AC_LANG_SOURCE([
++ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ #include <inttypes.h>
+ int main() {
+ char buf@<:@8@:>@ = { 0, 0, 0, 0, 1, 0, 0, 0 };
+--
+2.14.4
+
+++ /dev/null
-From c4cc0ba76c81e1967c648be423f5f0312ac9d87f Mon Sep 17 00:00:00 2001
-From: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
-Date: Mon, 5 Oct 2015 00:40:25 +0100
-Subject: [PATCH] Fix cross compilation, based on OpenWRT patch.
-
-[Vincent: tweak the patch for version 0.13.6]
-[Bernd: tweak the patch for version 0.13.7]
-
-Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
-Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
-Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
----
- configure.ac | 1 -
- scripts/checks.m4 | 2 +-
- scripts/common.m4 | 4 ++--
- 3 files changed, 3 insertions(+), 4 deletions(-)
-
-diff --git a/scripts/checks.m4 b/scripts/checks.m4
-index 598f39b..0e5abe0 100644
---- a/scripts/checks.m4
-+++ b/scripts/checks.m4
-@@ -96,7 +96,7 @@ AC_DEFUN([TORRENT_CHECK_KQUEUE], [
- AC_DEFUN([TORRENT_CHECK_KQUEUE_SOCKET_ONLY], [
- AC_MSG_CHECKING(whether kqueue supports pipes and ptys)
-
-- AC_RUN_IFELSE([AC_LANG_SOURCE([
-+ AC_LINK_IFELSE([AC_LANG_SOURCE([
- #include <fcntl.h>
- #include <stdlib.h>
- #include <unistd.h>
-diff --git a/scripts/common.m4 b/scripts/common.m4
-index 5127624..cc68269 100644
---- a/scripts/common.m4
-+++ b/scripts/common.m4
-@@ -223,7 +223,7 @@ dnl Need to fix this so that it uses the stuff defined by the system.
- AC_DEFUN([TORRENT_CHECK_EXECINFO], [
- AC_MSG_CHECKING(for execinfo.h)
-
-- AC_RUN_IFELSE([AC_LANG_SOURCE([
-+ AC_LINK_IFELSE([AC_LANG_SOURCE([
- #include <execinfo.h>
- int main() { backtrace((void**)0, 0); backtrace_symbols((char**)0, 0); return 0;}
- ])],
-@@ -238,7 +238,7 @@ AC_DEFUN([TORRENT_CHECK_EXECINFO], [
- AC_DEFUN([TORRENT_CHECK_ALIGNED], [
- AC_MSG_CHECKING(the byte alignment)
-
-- AC_RUN_IFELSE([AC_LANG_SOURCE([
-+ AC_LINK_IFELSE([AC_LANG_SOURCE([
- #include <inttypes.h>
- int main() {
- char buf@<:@8@:>@ = { 0, 0, 0, 0, 1, 0, 0, 0 };
---
-1.7.1
-
--- /dev/null
+From 9af3be81c75b44415a6e7efe19f8f89d55091f84 Mon Sep 17 00:00:00 2001
+From: rakshasa <sundell.software@gmail.com>
+Date: Tue, 20 Dec 2016 19:51:02 +0900
+Subject: [PATCH] Added support for openssl 1.1.
+
+Downloaded from upstream commit
+https://github.com/rakshasa/libtorrent/commit/7b29b6bd2547e72e22b9b7981df27092842d2a10
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ configure.ac | 4 ++++
+ src/utils/diffie_hellman.cc | 36 ++++++++++++++++++++++++++++++++++--
+ 2 files changed, 38 insertions(+), 2 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 5b1ea237..b885714d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -71,12 +71,15 @@ AC_ARG_ENABLE(openssl,
+ [ --disable-openssl Don't use OpenSSL's SHA1 implementation.],
+ [
+ if test "$enableval" = "yes"; then
++dnl move to scripts.
+ PKG_CHECK_MODULES(OPENSSL, libcrypto,
+ CXXFLAGS="$CXXFLAGS $OPENSSL_CFLAGS";
+ LIBS="$LIBS $OPENSSL_LIBS")
+
+ AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
+ AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
++ AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
++
+ else
+ AC_DEFINE(USE_NSS_SHA, 1, Using Mozilla's SHA1 implementation.)
+ fi
+@@ -87,6 +90,7 @@ AC_ARG_ENABLE(openssl,
+
+ AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
+ AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
++ AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
+ ]
+ )
+
+diff --git a/src/utils/diffie_hellman.cc b/src/utils/diffie_hellman.cc
+index aa653d45..7ec13165 100644
+--- a/src/utils/diffie_hellman.cc
++++ b/src/utils/diffie_hellman.cc
+@@ -54,11 +54,23 @@ DiffieHellman::DiffieHellman(const unsigned char *prime, int primeLength,
+ m_secret(NULL), m_size(0) {
+
+ #ifdef USE_OPENSSL
++
+ m_dh = DH_new();
++
++#ifdef USE_OPENSSL_1_1
++ BIGNUM * const dh_p = BN_bin2bn(prime, primeLength, NULL);
++ BIGNUM * const dh_g = BN_bin2bn(generator, generatorLength, NULL);
++
++ if (dh_p == NULL || dh_g == NULL ||
++ !DH_set0_pqg(m_dh, dh_p, NULL, dh_g))
++ throw internal_error("Could not generate Diffie-Hellman parameters");
++#else
+ m_dh->p = BN_bin2bn(prime, primeLength, NULL);
+ m_dh->g = BN_bin2bn(generator, generatorLength, NULL);
++#endif
+
+ DH_generate_key(m_dh);
++
+ #else
+ throw internal_error("Compiled without encryption support.");
+ #endif
+@@ -74,7 +86,19 @@ DiffieHellman::~DiffieHellman() {
+ bool
+ DiffieHellman::is_valid() const {
+ #ifdef USE_OPENSSL
++ if (m_dh == NULL)
++ return false;
++
++#ifdef USE_OPENSSL_1_1
++ const BIGNUM *pub_key;
++
++ DH_get0_key(m_dh, &pub_key, NULL);
++
++ return pub_key != NULL;
++#else
+ return m_dh != NULL && m_dh->pub_key != NULL;
++#endif
++
+ #else
+ return false;
+ #endif
+@@ -103,8 +127,16 @@ DiffieHellman::store_pub_key(unsigned char* dest, unsigned int length) {
+ #ifdef USE_OPENSSL
+ std::memset(dest, 0, length);
+
+- if ((int)length >= BN_num_bytes(m_dh->pub_key))
+- BN_bn2bin(m_dh->pub_key, dest + length - BN_num_bytes(m_dh->pub_key));
++ const BIGNUM *pub_key;
++
++#ifdef USE_OPENSSL_1_1
++ DH_get0_key(m_dh, &pub_key, NULL);
++#else
++ pub_key = m_dh->pub_key;
++#endif
++
++ if ((int)length >= BN_num_bytes(pub_key))
++ BN_bn2bin(pub_key, dest + length - BN_num_bytes(pub_key));
+ #endif
+ }
+
+--
+2.14.4
+
+++ /dev/null
-From 7b29b6bd2547e72e22b9b7981df27092842d2a10 Mon Sep 17 00:00:00 2001
-From: rakshasa <sundell.software@gmail.com>
-Date: Tue, 20 Dec 2016 19:51:02 +0900
-Subject: [PATCH] Added support for openssl 1.1.
-
-Downloaded from upstream commit
-https://github.com/rakshasa/libtorrent/commit/7b29b6bd2547e72e22b9b7981df27092842d2a10
-
-Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
----
- configure.ac | 4 ++++
- src/utils/diffie_hellman.cc | 36 ++++++++++++++++++++++++++++++++++--
- 2 files changed, 38 insertions(+), 2 deletions(-)
-
-diff --git a/configure.ac b/configure.ac
-index 5b1ea237..b885714d 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -71,12 +71,15 @@ AC_ARG_ENABLE(openssl,
- [ --disable-openssl Don't use OpenSSL's SHA1 implementation.],
- [
- if test "$enableval" = "yes"; then
-+dnl move to scripts.
- PKG_CHECK_MODULES(OPENSSL, libcrypto,
- CXXFLAGS="$CXXFLAGS $OPENSSL_CFLAGS";
- LIBS="$LIBS $OPENSSL_LIBS")
-
- AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
- AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
-+ AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
-+
- else
- AC_DEFINE(USE_NSS_SHA, 1, Using Mozilla's SHA1 implementation.)
- fi
-@@ -87,6 +90,7 @@ AC_ARG_ENABLE(openssl,
-
- AC_DEFINE(USE_OPENSSL, 1, Using OpenSSL.)
- AC_DEFINE(USE_OPENSSL_SHA, 1, Using OpenSSL's SHA1 implementation.)
-+ AC_CHECK_LIB([crypto], [DH_set0_pqg], [AC_DEFINE(USE_OPENSSL_1_1, 1, Using OpenSSL 1.1.)])
- ]
- )
-
-diff --git a/src/utils/diffie_hellman.cc b/src/utils/diffie_hellman.cc
-index aa653d45..7ec13165 100644
---- a/src/utils/diffie_hellman.cc
-+++ b/src/utils/diffie_hellman.cc
-@@ -54,11 +54,23 @@ DiffieHellman::DiffieHellman(const unsigned char *prime, int primeLength,
- m_secret(NULL), m_size(0) {
-
- #ifdef USE_OPENSSL
-+
- m_dh = DH_new();
-+
-+#ifdef USE_OPENSSL_1_1
-+ BIGNUM * const dh_p = BN_bin2bn(prime, primeLength, NULL);
-+ BIGNUM * const dh_g = BN_bin2bn(generator, generatorLength, NULL);
-+
-+ if (dh_p == NULL || dh_g == NULL ||
-+ !DH_set0_pqg(m_dh, dh_p, NULL, dh_g))
-+ throw internal_error("Could not generate Diffie-Hellman parameters");
-+#else
- m_dh->p = BN_bin2bn(prime, primeLength, NULL);
- m_dh->g = BN_bin2bn(generator, generatorLength, NULL);
-+#endif
-
- DH_generate_key(m_dh);
-+
- #else
- throw internal_error("Compiled without encryption support.");
- #endif
-@@ -74,7 +86,19 @@ DiffieHellman::~DiffieHellman() {
- bool
- DiffieHellman::is_valid() const {
- #ifdef USE_OPENSSL
-+ if (m_dh == NULL)
-+ return false;
-+
-+#ifdef USE_OPENSSL_1_1
-+ const BIGNUM *pub_key;
-+
-+ DH_get0_key(m_dh, &pub_key, NULL);
-+
-+ return pub_key != NULL;
-+#else
- return m_dh != NULL && m_dh->pub_key != NULL;
-+#endif
-+
- #else
- return false;
- #endif
-@@ -103,8 +127,16 @@ DiffieHellman::store_pub_key(unsigned char* dest, unsigned int length) {
- #ifdef USE_OPENSSL
- std::memset(dest, 0, length);
-
-- if ((int)length >= BN_num_bytes(m_dh->pub_key))
-- BN_bn2bin(m_dh->pub_key, dest + length - BN_num_bytes(m_dh->pub_key));
-+ const BIGNUM *pub_key;
-+
-+#ifdef USE_OPENSSL_1_1
-+ DH_get0_key(m_dh, &pub_key, NULL);
-+#else
-+ pub_key = m_dh->pub_key;
-+#endif
-+
-+ if ((int)length >= BN_num_bytes(pub_key))
-+ BN_bn2bin(pub_key, dest + length - BN_num_bytes(pub_key));
- #endif
- }
-
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