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-rw-r--r--libraries/libtorrent/4607bbf7.patch105
1 files changed, 105 insertions, 0 deletions
diff --git a/libraries/libtorrent/4607bbf7.patch b/libraries/libtorrent/4607bbf7.patch
new file mode 100644
index 0000000000000..55d0cb901b71d
--- /dev/null
+++ b/libraries/libtorrent/4607bbf7.patch
@@ -0,0 +1,105 @@
+From 4607bbf78040789dee29266878ce109136b984ef 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.
+
+---
+ 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 65e34872..27e33570 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -69,12 +69,15 @@ 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
+@@ -85,6 +88,7 @@ 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
+ }
+