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Fix build with LibreSSL

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When using LibreSSL instead of OpenSSL, linkage of hostapd executable
fails with the following error when using some LibreSSL versions

    ../src/crypto/tls_openssl.o: In function `tls_verify_cb':
    tls_openssl.c:(.text+0x1273): undefined reference to `ASN1_STRING_get0_data'
    ../src/crypto/tls_openssl.o: In function `tls_connection_peer_serial_num':
    tls_openssl.c:(.text+0x3023): undefined reference to `ASN1_STRING_get0_data'
    collect2: error: ld returned 1 exit status
    make: *** [Makefile:1278: hostapd] Error 1

ASN1_STRING_get0_data is present in recent OpenSSL, but absent in some
versions of LibreSSL (confirmed for version 2.6.5), so fallback needs to
be defined in this case, just like for old OpenSSL.

This patch was inspired by similar patches to other projects, such as
spice-gtk, pjsip.

Link: https://bugs.gentoo.org/672834
Signed-off-by: Andrey Utkin <andrey_utkin@gentoo.org>
This commit is contained in:
Andrey Utkin 2018-12-11 17:41:10 +00:00 committed by Jouni Malinen
parent afd38c9fdc
commit 837e36583a
1 changed files with 3 additions and 1 deletions
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4
src/crypto/tls_openssl.c
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@ -104,7 +104,9 @@ static size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000L
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && \
LIBRESSL_VERSION_NUMBER < 0x20700000L)
#ifdef CONFIG_SUITEB
static int RSA_bits(const RSA *r)
{