package/ibrcommon: fix static build with openssl
gf_mul is already defined in libcrypto (openssl) so rename it into ibrdtn_gf_mul to fix the following build failure in ibrdtnd package: /home/buildroot/autobuild/instance-3/output/host/bin/../arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/libcrypto.a(f_impl.o): In function `gf_mul': f_impl.c:(.text+0x0): multiple definition of `gf_mul' /home/buildroot/autobuild/instance-3/output/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/libibrcommon.a(gf128mul.o):gf128mul.cpp:(.text+0x30): first defined here collect2: error: ld returned 1 exit status Makefile:560: recipe for target 'dtnd' failed Fixes: - http://autobuild.buildroot.org/results/1d3b4b6cf043a3e185ce758b617a0a18c3d36cdb Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -0,0 +1,94 @@
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From 8118c43a53271ba2dd31ce3913a3cd21bc7dcca7 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Sat, 16 Feb 2019 11:58:34 +0100
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Subject: [PATCH] ibrcommon/ssl/gcm: fix static build with openssl
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gf_mul is already defined in libcrypto (openssl) so rename it into
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ibrdtn_gf_mul to fix following build failure:
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/home/buildroot/autobuild/instance-3/output/host/bin/../arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/libcrypto.a(f_impl.o): In function `gf_mul':
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f_impl.c:(.text+0x0): multiple definition of `gf_mul'
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/home/buildroot/autobuild/instance-3/output/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/usr/lib/libibrcommon.a(gf128mul.o):gf128mul.cpp:(.text+0x30): first defined here
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collect2: error: ld returned 1 exit status
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Makefile:560: recipe for target 'dtnd' failed
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Fixes:
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- http://autobuild.buildroot.org/results/1d3b4b6cf043a3e185ce758b617a0a18c3d36cdb
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Upstream status: https://github.com/ibrdtn/ibrdtn/pull/269]
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---
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ibrcommon/ibrcommon/ssl/gcm/gcm.cpp | 10 +++++-----
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ibrcommon/ibrcommon/ssl/gcm/gf128mul.cpp | 2 +-
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ibrcommon/ibrcommon/ssl/gcm/gf128mul.h | 2 +-
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3 files changed, 7 insertions(+), 7 deletions(-)
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diff --git a/ibrcommon/ssl/gcm/gcm.cpp b/ibrcommon/ssl/gcm/gcm.cpp
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index 8a5745b4..6097b43e 100644
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--- a/ibrcommon/ssl/gcm/gcm.cpp
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+++ b/ibrcommon/ssl/gcm/gcm.cpp
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@@ -89,7 +89,7 @@ ret_type gcm_init_and_key( /* initialise mode and set key
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#elif defined( TABLES_256 )
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#define gf_mul_hh(a, ctx, scr) gf_mul_256(a, ctx->gf_t256, scr)
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#else
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-#define gf_mul_hh(a, ctx, scr) gf_mul(a, ui8_ptr(ctx->ghash_h))
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+#define gf_mul_hh(a, ctx, scr) ibrdtn_gf_mul(a, ui8_ptr(ctx->ghash_h))
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#endif
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ret_type gcm_init_message( /* initialise a new message */
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@@ -334,9 +334,9 @@ ret_type gcm_compute_tag( /* compute authentication tag
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memcpy(tbuf, ctx->ghash_h, BLOCK_SIZE);
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for( ; ; )
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{
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- if(ln & 1) gf_mul(ui8_ptr(ctx->hdr_ghv), tbuf);
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+ if(ln & 1) ibrdtn_gf_mul(ui8_ptr(ctx->hdr_ghv), tbuf);
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if(!(ln >>= 1)) break;
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- gf_mul(tbuf, tbuf);
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+ ibrdtn_gf_mul(tbuf, tbuf);
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}
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}
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#else /* this one seems slower on x86 and x86_64 :-( */
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@@ -348,12 +348,12 @@ ret_type gcm_compute_tag( /* compute authentication tag
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tbuf[0] = 0x80;
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while(i)
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{
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- gf_mul(tbuf, tbuf);
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+ ibrdtn_gf_mul(tbuf, tbuf);
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if(i & ln)
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gf_mul_hh(tbuf, ctx, scratch);
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i >>= 1;
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}
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- gf_mul(ui8_ptr(ctx->hdr_ghv), tbuf);
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+ ibrdtn_gf_mul(ui8_ptr(ctx->hdr_ghv), tbuf);
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}
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#endif
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i = BLOCK_SIZE; ln = (uint_32t)(ctx->txt_acnt << 3);
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diff --git a/ibrcommon/ssl/gcm/gf128mul.cpp b/ibrcommon/ssl/gcm/gf128mul.cpp
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index a553a044..d0c460c3 100644
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--- a/ibrcommon/ssl/gcm/gf128mul.cpp
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+++ b/ibrcommon/ssl/gcm/gf128mul.cpp
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@@ -103,7 +103,7 @@
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const unsigned short gf_tab[256] = gf_dat(xda);
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-void gf_mul(void *a, const void* b)
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+void ibrdtn_gf_mul(void *a, const void* b)
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{ uint_32t r[GF_BYTE_LEN >> 2], p[8][GF_BYTE_LEN >> 2];
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int i;
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diff --git a/ibrcommon/ssl/gcm/gf128mul.h b/ibrcommon/ssl/gcm/gf128mul.h
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index 4645c7fe..65fba54b 100644
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--- a/ibrcommon/ssl/gcm/gf128mul.h
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+++ b/ibrcommon/ssl/gcm/gf128mul.h
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@@ -619,7 +619,7 @@ gf_inline void mul_x(void *r, const void *x)
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/* A slow generic version of gf_mul (a = a * b) */
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-void gf_mul(void *a, const void* b);
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+void ibrdtn_gf_mul(void *a, const void* b);
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/* This version uses 64k bytes of table space on the stack.
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A 16 byte buffer has to be multiplied by a 16 byte key
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--
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2.14.1
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