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-rw-r--r--src/libsystemd-gcrypt/Makefile28
-rw-r--r--src/libsystemd-gcrypt/include/systemd-gcrypt/gcrypt-util.h39
-rw-r--r--src/libsystemd-gcrypt/src/Makefile26
-rw-r--r--src/libsystemd-gcrypt/src/gcrypt-util.c71
4 files changed, 164 insertions, 0 deletions
diff --git a/src/libsystemd-gcrypt/Makefile b/src/libsystemd-gcrypt/Makefile
new file mode 100644
index 0000000000..369b265ff7
--- /dev/null
+++ b/src/libsystemd-gcrypt/Makefile
@@ -0,0 +1,28 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# systemd 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.
+#
+# systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+nested.subdirs += src
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/libsystemd-gcrypt/include/systemd-gcrypt/gcrypt-util.h b/src/libsystemd-gcrypt/include/systemd-gcrypt/gcrypt-util.h
new file mode 100644
index 0000000000..cf33b3c59c
--- /dev/null
+++ b/src/libsystemd-gcrypt/include/systemd-gcrypt/gcrypt-util.h
@@ -0,0 +1,39 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Zbigniew Jędrzejewski-Szmek
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef HAVE_GCRYPT
+#include <gcrypt.h>
+
+void initialize_libgcrypt(bool secmem);
+int string_hashsum(const char *s, size_t len, int md_algorithm, char **out);
+#endif
+
+static inline int string_hashsum_sha224(const char *s, size_t len, char **out) {
+#ifdef HAVE_GCRYPT
+ return string_hashsum(s, len, GCRY_MD_SHA224, out);
+#else
+ return -EOPNOTSUPP;
+#endif
+}
diff --git a/src/libsystemd-gcrypt/src/Makefile b/src/libsystemd-gcrypt/src/Makefile
new file mode 100644
index 0000000000..8166d5a253
--- /dev/null
+++ b/src/libsystemd-gcrypt/src/Makefile
@@ -0,0 +1,26 @@
+# -*- Mode: makefile; indent-tabs-mode: t -*-
+#
+# This file is part of systemd.
+#
+# Copyright 2010-2012 Lennart Poettering
+# Copyright 2010-2012 Kay Sievers
+# Copyright 2013 Zbigniew Jędrzejewski-Szmek
+# Copyright 2013 David Strauss
+# Copyright 2016 Luke Shumaker
+#
+# systemd 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.
+#
+# systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+include $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk
+include $(topsrcdir)/build-aux/Makefile.head.mk
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/libsystemd-gcrypt/src/gcrypt-util.c b/src/libsystemd-gcrypt/src/gcrypt-util.c
new file mode 100644
index 0000000000..42b922571f
--- /dev/null
+++ b/src/libsystemd-gcrypt/src/gcrypt-util.c
@@ -0,0 +1,71 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_GCRYPT
+#include <gcrypt.h>
+
+#include "systemd-basic/hexdecoct.h"
+#include "systemd-gcrypt/gcrypt-util.h"
+
+void initialize_libgcrypt(bool secmem) {
+ const char *p;
+ if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P))
+ return;
+
+ p = gcry_check_version("1.4.5");
+ assert(p);
+
+ /* Turn off "secmem". Clients which wish to make use of this
+ * feature should initialize the library manually */
+ if (!secmem)
+ gcry_control(GCRYCTL_DISABLE_SECMEM);
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+}
+
+int string_hashsum(const char *s, size_t len, int md_algorithm, char **out) {
+ gcry_md_hd_t md = NULL;
+ size_t hash_size;
+ void *hash;
+ char *enc;
+
+ initialize_libgcrypt(false);
+
+ hash_size = gcry_md_get_algo_dlen(md_algorithm);
+ assert(hash_size > 0);
+
+ gcry_md_open(&md, md_algorithm, 0);
+ if (!md)
+ return -EIO;
+
+ gcry_md_write(md, s, len);
+
+ hash = gcry_md_read(md, 0);
+ if (!hash)
+ return -EIO;
+
+ enc = hexmem(hash, hash_size);
+ if (!enc)
+ return -ENOMEM;
+
+ *out = enc;
+ return 0;
+}
+#endif