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scrub/scrub-2.6.1-use-libgcrypt.patch
DistroBaker f7daba9a70 Merged update from upstream sources 
This is an automated DistroBaker update from upstream sources.
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Source: https://src.fedoraproject.org/rpms/scrub.git#fcef9c97a0cecf56658438e4712073a3f75780e1
2021-03-18 19:30:17 +00:00

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diff -up scrub-2.6.1/configure.ac.libgcrypt scrub-2.6.1/configure.ac
--- scrub-2.6.1/configure.ac.libgcrypt 2014-08-26 14:15:12.000000000 -0400
+++ scrub-2.6.1/configure.ac 2021-02-22 13:42:48.489217200 -0500
@@ -70,6 +70,25 @@ AC_CHECK_FUNCS( \
X_AC_CHECK_PTHREADS
##
+# gcrypt library
+##
+have_libgcrypt=no
+AC_ARG_WITH(libgcrypt, AS_HELP_STRING([--without-libgcrypt], [build without libgcrypt;
+ fallback to custom AES implementation]))
+AS_IF([test "x$with_libgcrypt" != "xno"],
+ [AM_PATH_LIBGCRYPT([1.5.0],
+ [AC_DEFINE([HAVE_LIBGCRYPT], [1], [libgcrypt API available])
+ gcrypt_CFLAGS="$LIBGCRYPT_CFLAGS"
+ gcrypt_LIBS="$LIBGCRYPT_LIBS"
+ have_libgcrypt=yes
+ ]
+ )]
+)
+AM_CONDITIONAL([LIBGCRYPT], [test "$have_libgcrypt" = "yes"])
+AC_SUBST([gcrypt_CFLAGS])
+AC_SUBST([gcrypt_LIBS])
+
+##
# Arrange for large file support
##
AC_SYS_LARGEFILE
diff -up scrub-2.6.1/src/genrand.c.libgcrypt scrub-2.6.1/src/genrand.c
--- scrub-2.6.1/src/genrand.c.libgcrypt 2014-08-20 17:33:43.000000000 -0400
+++ scrub-2.6.1/src/genrand.c 2021-02-22 13:42:48.490217204 -0500
@@ -37,21 +37,27 @@
#include <assert.h>
#include <libgen.h>
-#include "aes.h"
#include "util.h"
#include "genrand.h"
#include "hwrand.h"
-#define PATH_URANDOM "/dev/urandom"
-
-#define PAYLOAD_SZ 16
-#define KEY_SZ 16
+#ifdef HAVE_LIBGCRYPT
+#include <gcrypt.h>
+#else
+#include "aes.h"
+#endif /* HAVE_LIBGCRYPT. */
extern char *prog;
static bool no_hwrand = false;
static hwrand_t gen_hwrand;
+#ifndef HAVE_LIBGCRYPT
+#define PATH_URANDOM "/dev/urandom"
+
+#define PAYLOAD_SZ 16
+#define KEY_SZ 16
+
static aes_context ctx;
static unsigned char ctr[PAYLOAD_SZ];
@@ -140,17 +146,26 @@ churnrand(void)
error:
return -1;
}
+#endif /* HAVE_LIBGCRYPT. */
/* Initialize the module.
*/
int
initrand(void)
{
+#ifndef HAVE_LIBGCRYPT
struct timeval tv;
+#else
+ if (!gcry_check_version(GCRYPT_VERSION)) {
+ goto error;
+ }
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+#endif /* HAVE_LIBGCRYPT */
if (!no_hwrand)
gen_hwrand = init_hwrand();
+#ifndef HAVE_LIBGCRYPT
/* Always initialize the software random number generator as backup */
if (gettimeofday(&tv, NULL) < 0)
@@ -163,6 +178,7 @@ initrand(void)
#endif
if (churnrand() < 0)
goto error;
+#endif /* HAVE_LIBGCRYPT. */
return 0;
error:
return -1;
@@ -173,9 +189,11 @@ error:
void
genrand(unsigned char *buf, int buflen)
{
+#ifndef HAVE_LIBGCRYPT
int i;
unsigned char out[PAYLOAD_SZ];
int cpylen = PAYLOAD_SZ;
+#endif /* HAVE_LIBGCRYPT. */
if (gen_hwrand) {
bool hwok = gen_hwrand(buf, buflen);
@@ -183,6 +201,7 @@ genrand(unsigned char *buf, int buflen)
return;
}
+#ifndef HAVE_LIBGCRYPT
for (i = 0; i < buflen; i += cpylen) {
aes_encrypt(&ctx, ctr, out);
incr128(ctr);
@@ -191,6 +210,9 @@ genrand(unsigned char *buf, int buflen)
memcpy(&buf[i], out, cpylen);
}
assert(i == buflen);
+#else
+ gcry_randomize(buf, buflen, GCRY_STRONG_RANDOM);
+#endif /* HAVE_LIBGCRYPT. */
}
/*
diff -up scrub-2.6.1/src/genrand.h.libgcrypt scrub-2.6.1/src/genrand.h
--- scrub-2.6.1/src/genrand.h.libgcrypt 2014-08-20 17:33:43.000000000 -0400
+++ scrub-2.6.1/src/genrand.h 2021-02-22 13:42:48.490217204 -0500
@@ -1,8 +1,14 @@
+#include "config.h"
+
void disable_hwrand(void);
int initrand(void);
-int churnrand(void);
void genrand(unsigned char *buf, int buflen);
+#ifndef HAVE_LIBGCRYPT
+int churnrand(void);
+#endif /* HAVE_LIBGCRYPT. */
+
+
/*
* vi:tabstop=4 shiftwidth=4 expandtab
*/
diff -up scrub-2.6.1/src/Makefile.am.libgcrypt scrub-2.6.1/src/Makefile.am
--- scrub-2.6.1/src/Makefile.am.libgcrypt 2014-08-20 17:33:43.000000000 -0400
+++ scrub-2.6.1/src/Makefile.am 2021-02-22 13:43:47.008492696 -0500
@@ -1,8 +1,6 @@
bin_PROGRAMS = scrub
scrub_SOURCES = \
- aes.c \
- aes.h \
filldentry.c \
filldentry.h \
fillfile.c \
@@ -24,3 +22,9 @@ scrub_SOURCES = \
util.h
scrub_LDADD = $(LIBPTHREAD)
+
+if LIBGCRYPT
+scrub_LDADD += $(gcrypt_LIBS)
+else
+scrub_SOURCES += aes.c aes.h
+endif
diff -up scrub-2.6.1/src/scrub.c.libgcrypt scrub-2.6.1/src/scrub.c
--- scrub-2.6.1/src/scrub.c.libgcrypt 2021-02-22 13:42:48.488217195 -0500
+++ scrub-2.6.1/src/scrub.c 2021-02-22 13:42:48.490217204 -0500
@@ -459,11 +459,13 @@ scrub(char *path, off_t size, const sequ
case PAT_RANDOM:
printf("%s: %-8s", prog, "random");
progress_create(&p, pcol);
+#ifndef HAVE_LIBGCRYPT
if (churnrand() < 0) {
fprintf(stderr, "%s: churnrand: %s\n", prog,
strerror(errno));
exit(1);
}
+#endif /* HAVE_LIBGCRYPT. */
written = fillfile(path, size, buf, bufsize,
(progress_t)progress_update, p,
(refill_t)genrand, sparse, enospc);
diff -up scrub-2.6.1/test/Makefile.am.libgcrypt scrub-2.6.1/test/Makefile.am
--- scrub-2.6.1/test/Makefile.am.libgcrypt 2014-08-26 14:11:14.000000000 -0400
+++ scrub-2.6.1/test/Makefile.am 2021-02-22 13:44:59.301833042 -0500
@@ -1,8 +1,8 @@
-check_PROGRAMS = pad trand aestest tprogress tgetsize tsig tsize pat
+check_PROGRAMS = pad trand tprogress tgetsize tsig tsize pat
TESTS_ENVIRONMENT = env
TESTS_ENVIRONMENT += "PATH_SCRUB=$(top_builddir)/src/scrub"
-TESTS = t00 t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14 t15 t16 \
+TESTS = t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14 t15 t16 \
t17 t18 t19 t20 t21 t22
CLEANFILES = *.out *.diff testfile
@@ -13,17 +13,24 @@ common_sources = \
$(top_srcdir)/src/getsize.c \
$(top_srcdir)/src/genrand.c \
$(top_srcdir)/src/hwrand.c \
- $(top_srcdir)/src/aes.c \
$(top_srcdir)/src/util.c \
$(top_srcdir)/src/progress.c \
$(top_srcdir)/src/sig.c
pad_SOURCES = pad.c $(common_sources)
trand_SOURCES = trand.c $(common_sources)
-aestest_SOURCES = aestest.c $(common_sources)
tprogress_SOURCES = tprogress.c $(common_sources)
tgetsize_SOURCES = tgetsize.c $(common_sources)
tsig_SOURCES = tsig.c $(common_sources)
pat_SOURCES = pat.c $(common_sources)
+if LIBGCRYPT
+AM_LDFLAGS = $(gcrypt_LIBS)
+else
+check_PROGRAMS += aestest
+TESTS += t00
+common_sources += $(top_srcdir)/src/aes.c
+aestest_SOURCES = aestest.c $(common_sources)
+endif
+
EXTRA_DIST = $(TESTS) $(TESTS:%=%.exp)
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