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flac
0001-Allow-use-of-openSSL.patch
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File 0001-Allow-use-of-openSSL.patch of Package flac
From 4022b72d8f71110a6e4bc0e32cb59cb7c5b5b25e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <crrodriguez@opensuse.org> Date: Sun, 26 May 2013 05:35:30 +0200 Subject: [PATCH] Allow use of openSSL --- configure.ac | 3 m4/ax_check_openssl.m4 | 124 ++++++++++++++++++++++++++++++++++++++ src/libFLAC/Makefile.am | 4 - src/libFLAC/include/private/md5.h | 8 ++ src/libFLAC/md5.c | 38 +++++++++++ src/libFLAC/stream_decoder.c | 30 +++++++-- src/libFLAC/stream_encoder.c | 30 +++++++-- 7 files changed, 221 insertions(+), 16 deletions(-) Index: flac-1.3.0/configure.ac =================================================================== --- flac-1.3.0.orig/configure.ac +++ flac-1.3.0/configure.ac @@ -59,6 +59,7 @@ AC_C_INLINE AC_C_VARARRAYS AC_C_TYPEOF +AC_FUNC_ALLOCA AC_CHECK_HEADERS([stdint.h inttypes.h byteswap.h sys/param.h termios.h]) AC_HEADER_TIOCGWINSZ @@ -88,6 +89,8 @@ dnl check for getopt in standard library dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] ) AC_CHECK_FUNCS(getopt_long, [], []) +AX_CHECK_OPENSSL([AC_DEFINE([HAVE_OPENSSL], [1], [We have openSSL])]) + case "$host_cpu" in i*86) cpu_ia32=true Index: flac-1.3.0/m4/ax_check_openssl.m4 =================================================================== --- /dev/null +++ flac-1.3.0/m4/ax_check_openssl.m4 @@ -0,0 +1,124 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_openssl.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_OPENSSL([action-if-found[, action-if-not-found]]) +# +# DESCRIPTION +# +# Look for OpenSSL in a number of default spots, or in a user-selected +# spot (via --with-openssl). Sets +# +# OPENSSL_INCLUDES to the include directives required +# OPENSSL_LIBS to the -l directives required +# OPENSSL_LDFLAGS to the -L or -R flags required +# +# and calls ACTION-IF-FOUND or ACTION-IF-NOT-FOUND appropriately +# +# This macro sets OPENSSL_INCLUDES such that source files should use the +# openssl/ directory in include directives: +# +# #include <openssl/hmac.h> +# +# LICENSE +# +# Copyright (c) 2009,2010 Zmanda Inc. <http://www.zmanda.com/> +# Copyright (c) 2009,2010 Dustin J. Mitchell <dustin@zmanda.com> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 8 + +AU_ALIAS([CHECK_SSL], [AX_CHECK_OPENSSL]) +AC_DEFUN([AX_CHECK_OPENSSL], [ + found=false + AC_ARG_WITH([openssl], + [AS_HELP_STRING([--with-openssl=DIR], + [root of the OpenSSL directory])], + [ + case "$withval" in + "" | y | ye | yes | n | no) + AC_MSG_ERROR([Invalid --with-openssl value]) + ;; + *) ssldirs="$withval" + ;; + esac + ], [ + # if pkg-config is installed and openssl has installed a .pc file, + # then use that information and don't search ssldirs + AC_PATH_PROG([PKG_CONFIG], [pkg-config]) + if test x"$PKG_CONFIG" != x""; then + OPENSSL_LDFLAGS=`$PKG_CONFIG openssl --libs-only-L 2>/dev/null` + if test $? = 0; then + OPENSSL_LIBS=`$PKG_CONFIG openssl --libs-only-l 2>/dev/null` + OPENSSL_INCLUDES=`$PKG_CONFIG openssl --cflags-only-I 2>/dev/null` + found=true + fi + fi + + # no such luck; use some default ssldirs + if ! $found; then + ssldirs="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr" + fi + ] + ) + + + # note that we #include <openssl/foo.h>, so the OpenSSL headers have to be in + # an 'openssl' subdirectory + + if ! $found; then + OPENSSL_INCLUDES= + for ssldir in $ssldirs; do + AC_MSG_CHECKING([for openssl/ssl.h in $ssldir]) + if test -f "$ssldir/include/openssl/ssl.h"; then + OPENSSL_INCLUDES="-I$ssldir/include" + OPENSSL_LDFLAGS="-L$ssldir/lib" + OPENSSL_LIBS="-lssl -lcrypto" + found=true + AC_MSG_RESULT([yes]) + break + else + AC_MSG_RESULT([no]) + fi + done + + # if the file wasn't found, well, go ahead and try the link anyway -- maybe + # it will just work! + fi + + # try the preprocessor and linker with our new flags, + # being careful not to pollute the global LIBS, LDFLAGS, and CPPFLAGS + + AC_MSG_CHECKING([whether compiling and linking against OpenSSL works]) + echo "Trying link with OPENSSL_LDFLAGS=$OPENSSL_LDFLAGS;" \ + "OPENSSL_LIBS=$OPENSSL_LIBS; OPENSSL_INCLUDES=$OPENSSL_INCLUDES" >&AS_MESSAGE_LOG_FD + + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + save_CPPFLAGS="$CPPFLAGS" + LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS" + LIBS="$OPENSSL_LIBS $LIBS" + CPPFLAGS="$OPENSSL_INCLUDES $CPPFLAGS" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include <openssl/ssl.h>], [SSL_new(NULL)])], + [ + AC_MSG_RESULT([yes]) + $1 + ], [ + AC_MSG_RESULT([no]) + $2 + ]) + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + + AC_SUBST([OPENSSL_INCLUDES]) + AC_SUBST([OPENSSL_LIBS]) + AC_SUBST([OPENSSL_LDFLAGS]) +]) Index: flac-1.3.0/src/libFLAC/Makefile.am =================================================================== --- flac-1.3.0.orig/src/libFLAC/Makefile.am +++ flac-1.3.0/src/libFLAC/Makefile.am @@ -87,7 +87,7 @@ if OS_IS_WINDOWS win_utf8_lib = $(top_builddir)/src/share/win_utf8_io/libwin_utf8_io.la endif -libFLAC_la_LIBADD = $(win_utf8_lib) $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@ -lm +libFLAC_la_LIBADD = $(win_utf8_lib) $(LOCAL_EXTRA_LIBADD) @OPENSSL_LIBS@ @OGG_LIBS@ -lm SUBDIRS = $(ARCH_SUBDIRS) include . @@ -138,5 +138,5 @@ libFLAC_sources = \ libFLAC_la_SOURCES = $(libFLAC_sources) # needed for test_libFLAC -libFLAC_static_la_LIBADD = $(LOCAL_EXTRA_LIBADD) +libFLAC_static_la_LIBADD = $(LOCAL_EXTRA_LIBADD) $(OPENSSL_LIBS) libFLAC_static_la_SOURCES = $(libFLAC_sources) Index: flac-1.3.0/src/libFLAC/include/private/md5.h =================================================================== --- flac-1.3.0.orig/src/libFLAC/include/private/md5.h +++ flac-1.3.0/src/libFLAC/include/private/md5.h @@ -28,6 +28,11 @@ #include "FLAC/ordinals.h" +#if defined(HAVE_OPENSSL) +#include <openssl/evp.h> +#define FLAC__MD5Context EVP_MD_CTX +#else +#define EVP_MAX_MD_SIZE 16 typedef struct { FLAC__uint32 in[16]; FLAC__uint32 buf[4]; @@ -37,7 +42,8 @@ typedef struct { } FLAC__MD5Context; void FLAC__MD5Init(FLAC__MD5Context *context); -void FLAC__MD5Final(FLAC__byte digest[16], FLAC__MD5Context *context); +void FLAC__MD5Final(FLAC__byte digest[EVP_MAX_MD_SIZE], FLAC__MD5Context *context); +#endif FLAC__bool FLAC__MD5Accumulate(FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample); Index: flac-1.3.0/src/libFLAC/md5.c =================================================================== --- flac-1.3.0.orig/src/libFLAC/md5.c +++ flac-1.3.0/src/libFLAC/md5.c @@ -5,6 +5,19 @@ #include <stdlib.h> /* for malloc() */ #include <string.h> /* for memcpy() */ +#ifdef HAVE_ALLOCA_H +# include <alloca.h> +#elif !defined alloca +# ifdef __GNUC__ +# define alloca __builtin_alloca +# elif defined _AIX +# define alloca __alloca +# elif defined _MSC_VER +# include <malloc.h> +# define alloca _alloca +# endif +#endif + #include "private/md5.h" #include "share/alloc.h" @@ -35,6 +48,7 @@ /* The four core functions - F1 is optimized somewhat */ +#if !defined(HAVE_OPENSSL) /* #define F1(x, y, z) (x & y | ~x & z) */ #define F1(x, y, z) (z ^ (x & (y ^ z))) #define F2(x, y, z) F1(z, x, y) @@ -267,6 +281,8 @@ void FLAC__MD5Final(FLAC__byte digest[16 memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */ } +#endif /* !defined(HAVE_OPENSSL) */ + /* * Convert the incoming audio signal to a byte stream */ @@ -401,6 +417,26 @@ FLAC__bool FLAC__MD5Accumulate(FLAC__MD5 if((size_t)channels * (size_t)bytes_per_sample > SIZE_MAX / (size_t)samples) return false; +#if defined(HAVE_OPENSSL) + /* Use stack for the most common cases, heap when bytes_needed is larger than 4032 (unlikely) + * Note that this is a _very_ conservative estimation. + */ +#if defined(_MSC_VER) +/* see http://msdn.microsoft.com/en-us/library/5471dc8s(v=vs.80).aspx for the rationale */ + FLAC__byte *tmp = _malloca(bytes_needed); +#else + const FLAC__bool usealloca = (bytes_needed < 4032); + FLAC__byte *tmp = usealloca ? alloca(bytes_needed) : safe_malloc_(bytes_needed); +#endif + format_input_(tmp, signal, channels, samples, bytes_per_sample); + const FLAC__bool retval = (EVP_DigestUpdate(ctx, tmp , bytes_needed) == 1); +#if defined(_MSC_VER) + _freea(tmp) +#else + if(!usealloca) free(tmp); +#endif + return retval; +#else if(ctx->capacity < bytes_needed) { FLAC__byte *tmp = realloc(ctx->internal_buf, bytes_needed); if(0 == tmp) { @@ -418,4 +454,6 @@ FLAC__bool FLAC__MD5Accumulate(FLAC__MD5 FLAC__MD5Update(ctx, ctx->internal_buf, bytes_needed); return true; +#endif + } Index: flac-1.3.0/src/libFLAC/stream_decoder.c =================================================================== --- flac-1.3.0.orig/src/libFLAC/stream_decoder.c +++ flac-1.3.0/src/libFLAC/stream_decoder.c @@ -171,7 +171,7 @@ typedef struct FLAC__StreamDecoderPrivat FLAC__bool internal_reset_hack; /* used only during init() so we can call reset to set up the decoder without rewinding the input */ FLAC__bool is_seeking; FLAC__MD5Context md5context; - FLAC__byte computed_md5sum[16]; /* this is the sum we computed from the decoded data */ + FLAC__byte computed_md5sum[EVP_MAX_MD_SIZE]; /* this is the sum we computed from the decoded data */ /* (the rest of these are only used for seeking) */ FLAC__Frame last_frame; /* holds the info of the last frame we seeked to */ FLAC__uint64 first_frame_offset; /* hint to the seek routine of where in the stream the first audio frame starts */ @@ -308,7 +308,9 @@ FLAC_API FLAC__StreamDecoder *FLAC__stre decoder->private_->file = 0; set_defaults_(decoder); - +#if defined(HAVE_OPENSSL) + EVP_MD_CTX_init(&decoder->private_->md5context); +#endif decoder->protected_->state = FLAC__STREAM_DECODER_UNINITIALIZED; return decoder; @@ -334,7 +336,9 @@ FLAC_API void FLAC__stream_decoder_delet for(i = 0; i < FLAC__MAX_CHANNELS; i++) FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&decoder->private_->partitioned_rice_contents[i]); - +#if defined(HAVE_OPENSSL) + EVP_MD_CTX_cleanup(&decoder->private_->md5context); +#endif free(decoder->private_); free(decoder->protected_); free(decoder); @@ -654,8 +658,16 @@ FLAC_API FLAC__bool FLAC__stream_decoder /* see the comment in FLAC__seekable_stream_decoder_reset() as to why we * always call FLAC__MD5Final() */ +#if defined(HAVE_OPENSSL) + /* decoder->private_->computed_md5sum is NULL when decoder->private_->do_md5_checking == false + * that causes assertion failure crash in openSSL. + */ + if(decoder->private_->do_md5_checking) { + md5_failed = (EVP_DigestFinal_ex(&decoder->private_->md5context, decoder->private_->computed_md5sum, NULL) == 0); + } +#else FLAC__MD5Final(decoder->private_->computed_md5sum, &decoder->private_->md5context); - +#endif if(decoder->private_->has_seek_table && 0 != decoder->private_->seek_table.data.seek_table.points) { free(decoder->private_->seek_table.data.seek_table.points); decoder->private_->seek_table.data.seek_table.points = 0; @@ -1006,11 +1018,15 @@ FLAC_API FLAC__bool FLAC__stream_decoder * FLAC__stream_decoder_finish() to make sure things are always cleaned up * properly. */ - FLAC__MD5Init(&decoder->private_->md5context); + decoder->private_->first_frame_offset = 0; - decoder->private_->first_frame_offset = 0; - decoder->private_->unparseable_frame_count = 0; + decoder->private_->unparseable_frame_count = 0; +#if defined(HAVE_OPENSSL) + return (EVP_DigestInit_ex(&decoder->private_->md5context, EVP_md5(), NULL) == 1); +#else +▷⋅⋅⋅FLAC__MD5Init(&decoder->private_->md5context); +#endif return true; } Index: flac-1.3.0/src/libFLAC/stream_encoder.c =================================================================== --- flac-1.3.0.orig/src/libFLAC/stream_encoder.c +++ flac-1.3.0/src/libFLAC/stream_encoder.c @@ -564,7 +564,9 @@ FLAC_API FLAC__StreamEncoder *FLAC__stre FLAC__format_entropy_coding_method_partitioned_rice_contents_init(&encoder->private_->partitioned_rice_contents_extra[i]); encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED; - +#if defined(HAVE_OPENSSL) + if(encoder->protected_->do_md5) EVP_MD_CTX_init(&encoder->private_->md5context); +#endif return encoder; } @@ -598,6 +600,11 @@ FLAC_API void FLAC__stream_encoder_delet FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_extra[i]); FLAC__bitwriter_delete(encoder->private_->frame); +#if defined(HAVE_OPENSSL) + if(encoder->protected_->do_md5) { + EVP_MD_CTX_cleanup(&encoder->private_->md5context); + } +#endif free(encoder->private_); free(encoder->protected_); free(encoder); @@ -1031,8 +1038,15 @@ static FLAC__StreamEncoderInitStatus ini encoder->private_->streaminfo.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample; encoder->private_->streaminfo.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */ memset(encoder->private_->streaminfo.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */ - if(encoder->protected_->do_md5) - FLAC__MD5Init(&encoder->private_->md5context); + if(encoder->protected_->do_md5) { +#if defined(HAVE_OPENSSL) + if(EVP_DigestInit_ex(&encoder->private_->md5context, EVP_md5(), NULL) == 0) { + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } +#else + FLAC__MD5Init(&encoder->private_->md5context); +#endif + } if(!FLAC__add_metadata_block(&encoder->private_->streaminfo, encoder->private_->frame)) { encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; @@ -1301,9 +1315,13 @@ FLAC_API FLAC__bool FLAC__stream_encoder } } - if(encoder->protected_->do_md5) - FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context); - + if(encoder->protected_->do_md5) { +#if defined(HAVE_OPENSSL) + error = (EVP_DigestFinal_ex(&encoder->private_->md5context, encoder->private_->streaminfo.data.stream_info.md5sum, NULL) == 0); +#else + FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context); +#endif + } if(!encoder->private_->is_being_deleted) { if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) { if(encoder->private_->seek_callback) {
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