depends: libgcrypt: update to 1.10.2

This commit is contained in:
tobtoht 2023-06-29 13:09:12 +02:00
parent ed0a5721d3
commit 15a258e8f4
No known key found for this signature in database
GPG key ID: E45B10DD027D2472
2 changed files with 136 additions and 3 deletions

View file

@ -1,16 +1,18 @@
package=libgcrypt
$(package)_version=1.10.1
$(package)_version=1.10.2
$(package)_download_path=https://www.gnupg.org/ftp/gcrypt/libgcrypt/
$(package)_file_name=libgcrypt-$($(package)_version).tar.bz2
$(package)_sha256_hash=ef14ae546b0084cd84259f61a55e07a38c3b53afc0f546bffcef2f01baffe9de
$(package)_sha256_hash=3b9c02a004b68c256add99701de00b383accccf37177e0d6c58289664cce0c03
$(package)_dependencies=libgpg-error
$(package)_patches=fix_getrandom_darwin.patch
define $(package)_set_vars
$(package)_build_opts=CFLAGS="-fPIE"
endef
define $(package)_preprocess_cmds
cp -f $(BASEDIR)/config.guess $(BASEDIR)/config.sub build-aux
cp -f $(BASEDIR)/config.guess $(BASEDIR)/config.sub build-aux && \
patch -p1 < $($(package)_patch_dir)/fix_getrandom_darwin.patch
endef
# TODO: building on linux with $($(package)_autoconf) fails for mysterious reasons

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@ -0,0 +1,131 @@
diff --git a/random/rndgetentropy.c b/random/rndgetentropy.c
index 513da0b9..a6f3c4ab 100644
--- a/random/rndgetentropy.c
+++ b/random/rndgetentropy.c
@@ -1,124 +1,126 @@
/* rndgetentropy.c - raw random number for OSes by getentropy function.
* Copyright (C) 1998, 2001, 2002, 2003, 2007,
* 2009 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgcrypt is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <unistd.h>
#ifdef HAVE_SYS_RANDOM_H
#include <sys/random.h>
#endif
#include "types.h"
#include "g10lib.h"
#include "rand-internal.h"
/* The function returns 0 on success or true on failure (in which case
* the caller will signal a fatal error). */
int
_gcry_rndgetentropy_gather_random (void (*add)(const void*, size_t,
enum random_origins),
enum random_origins origin,
size_t length, int level)
{
byte buffer[256];
if (!add)
{
/* Special mode to release resouces. */
_gcry_rndjent_fini ();
return 0;
}
/* When using a blocking random generator try to get some entropy
* from the jitter based RNG. In this case we take up to 50% of the
* remaining requested bytes. */
if (level >= GCRY_VERY_STRONG_RANDOM)
{
size_t n;
n = _gcry_rndjent_poll (add, origin, length/2);
if (n > length/2)
n = length/2;
if (length > 1)
length -= n;
}
/* Enter the loop. */
while (length)
{
int ret;
size_t nbytes;
/* For a modern operating system, we use the new getentropy
* function. That call guarantees that the kernel's RNG has
* been properly seeded before returning any data. This is
* different from /dev/urandom which may, due to its
* non-blocking semantics, return data even if the kernel has
* not been properly seeded. And it differs from /dev/random by
* never blocking once the kernel is seeded. */
do
{
_gcry_pre_syscall ();
+#ifdef GRND_RANDOM
if (fips_mode ())
{
/* DRBG chaining defined in SP 800-90A (rev 1) specify
* the upstream (kernel) DRBG needs to be reseeded for
* initialization of downstream (libgcrypt) DRBG. For this
* in RHEL, we repurposed the GRND_RANDOM flag of getrandom API.
* The libgcrypt DRBG is initialized with 48B of entropy, but
* the kernel can provide only 32B at a time after reseeding
* so we need to limit our requests to 32B here.
* This is clarified in IG 7.19 / IG D.K. for FIPS 140-2 / 3
* and might not be applicable on other FIPS modules not running
* RHEL kernel.
*/
nbytes = length < 32 ? length : 32;
ret = getrandom (buffer, nbytes, GRND_RANDOM);
}
else
+#endif
{
nbytes = length < sizeof (buffer) ? length : sizeof (buffer);
ret = getentropy (buffer, nbytes);
}
_gcry_post_syscall ();
}
while (ret == -1 && errno == EINTR);
if (ret == -1 && errno == ENOSYS)
log_fatal ("getentropy is not supported: %s\n", strerror (errno));
else
{ /* getentropy is supported. Some sanity checks. */
if (ret == -1)
log_fatal ("unexpected error from getentropy: %s\n",
strerror (errno));
(*add) (buffer, nbytes, origin);
length -= nbytes;
}
}
wipememory (buffer, sizeof buffer);
return 0; /* success */
}