diff options
Diffstat (limited to 'source/n/wpa_supplicant/patches/Fix-openssl-1-1-private-key-callback.patch')
| -rw-r--r-- | source/n/wpa_supplicant/patches/Fix-openssl-1-1-private-key-callback.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/source/n/wpa_supplicant/patches/Fix-openssl-1-1-private-key-callback.patch b/source/n/wpa_supplicant/patches/Fix-openssl-1-1-private-key-callback.patch new file mode 100644 index 00000000..bee574a5 --- /dev/null +++ b/source/n/wpa_supplicant/patches/Fix-openssl-1-1-private-key-callback.patch @@ -0,0 +1,127 @@ +From 25b37c54a47e49d591f5752bbf0f510480402cae Mon Sep 17 00:00:00 2001 +From: Beniamino Galvani <bgalvani@redhat.com> +Date: Sun, 9 Jul 2017 11:14:10 +0200 +Subject: [PATCH 1/2] OpenSSL: Fix private key password handling with OpenSSL + >= 1.1.0f + +Since OpenSSL version 1.1.0f, SSL_use_PrivateKey_file() uses the +callback from the SSL object instead of the one from the CTX, so let's +set the callback on both SSL and CTX. Note that +SSL_set_default_passwd_cb*() is available only in 1.1.0. + +Signed-off-by: Beniamino Galvani <bgalvani@redhat.com> +(cherry picked from commit f665c93e1d28fbab3d9127a8c3985cc32940824f) +--- + src/crypto/tls_openssl.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c +index c4170b6..bceb8c3 100644 +--- a/src/crypto/tls_openssl.c ++++ b/src/crypto/tls_openssl.c +@@ -2779,6 +2779,15 @@ static int tls_connection_private_key(struct tls_data *data, + } else + passwd = NULL; + ++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER) ++ /* ++ * In OpenSSL >= 1.1.0f SSL_use_PrivateKey_file() uses the callback ++ * from the SSL object. See OpenSSL commit d61461a75253. ++ */ ++ SSL_set_default_passwd_cb(conn->ssl, tls_passwd_cb); ++ SSL_set_default_passwd_cb_userdata(conn->ssl, passwd); ++#endif /* >= 1.1.0f && !LibreSSL */ ++ /* Keep these for OpenSSL < 1.1.0f */ + SSL_CTX_set_default_passwd_cb(ssl_ctx, tls_passwd_cb); + SSL_CTX_set_default_passwd_cb_userdata(ssl_ctx, passwd); + +@@ -2869,6 +2878,9 @@ static int tls_connection_private_key(struct tls_data *data, + return -1; + } + ERR_clear_error(); ++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER) ++ SSL_set_default_passwd_cb(conn->ssl, NULL); ++#endif /* >= 1.1.0f && !LibreSSL */ + SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL); + os_free(passwd); + +-- +2.9.3 + +From b2887d6964a406eb5f88f4ad4e9764c468954382 Mon Sep 17 00:00:00 2001 +From: Jouni Malinen <j@w1.fi> +Date: Mon, 17 Jul 2017 12:06:17 +0300 +Subject: [PATCH 2/2] OpenSSL: Clear default_passwd_cb more thoroughly + +Previously, the pointer to strdup passwd was left in OpenSSL library +default_passwd_cb_userdata and even the default_passwd_cb was left set +on an error path. To avoid unexpected behavior if something were to +manage to use there pointers, clear them explicitly once done with +loading of the private key. + +Signed-off-by: Jouni Malinen <j@w1.fi> +(cherry picked from commit 89971d8b1e328a2f79699c953625d1671fd40384) +--- + src/crypto/tls_openssl.c | 22 +++++++++++++++++----- + 1 file changed, 17 insertions(+), 5 deletions(-) + +diff --git a/src/crypto/tls_openssl.c b/src/crypto/tls_openssl.c +index bceb8c3..770af9e 100644 +--- a/src/crypto/tls_openssl.c ++++ b/src/crypto/tls_openssl.c +@@ -2758,6 +2758,19 @@ static int tls_connection_engine_private_key(struct tls_connection *conn) + } + + ++static void tls_clear_default_passwd_cb(SSL_CTX *ssl_ctx, SSL *ssl) ++{ ++#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER) ++ if (ssl) { ++ SSL_set_default_passwd_cb(ssl, NULL); ++ SSL_set_default_passwd_cb_userdata(ssl, NULL); ++ } ++#endif /* >= 1.1.0f && !LibreSSL */ ++ SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL); ++ SSL_CTX_set_default_passwd_cb_userdata(ssl_ctx, NULL); ++} ++ ++ + static int tls_connection_private_key(struct tls_data *data, + struct tls_connection *conn, + const char *private_key, +@@ -2874,14 +2887,12 @@ static int tls_connection_private_key(struct tls_data *data, + if (!ok) { + tls_show_errors(MSG_INFO, __func__, + "Failed to load private key"); ++ tls_clear_default_passwd_cb(ssl_ctx, conn->ssl); + os_free(passwd); + return -1; + } + ERR_clear_error(); +-#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER) +- SSL_set_default_passwd_cb(conn->ssl, NULL); +-#endif /* >= 1.1.0f && !LibreSSL */ +- SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL); ++ tls_clear_default_passwd_cb(ssl_ctx, conn->ssl); + os_free(passwd); + + if (!SSL_check_private_key(conn->ssl)) { +@@ -2924,13 +2935,14 @@ static int tls_global_private_key(struct tls_data *data, + tls_read_pkcs12(data, NULL, private_key, passwd)) { + tls_show_errors(MSG_INFO, __func__, + "Failed to load private key"); ++ tls_clear_default_passwd_cb(ssl_ctx, NULL); + os_free(passwd); + ERR_clear_error(); + return -1; + } ++ tls_clear_default_passwd_cb(ssl_ctx, NULL); + os_free(passwd); + ERR_clear_error(); +- SSL_CTX_set_default_passwd_cb(ssl_ctx, NULL); + + if (!SSL_CTX_check_private_key(ssl_ctx)) { + tls_show_errors(MSG_INFO, __func__, +-- +2.9.3 + |