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l---------src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile1
-rw-r--r--src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile38
-rw-r--r--src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c99
-rw-r--r--src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml93
4 files changed, 231 insertions, 0 deletions
diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile
new file mode 120000
index 0000000000..13308a50cd
--- /dev/null
+++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/GNUmakefile
@@ -0,0 +1 @@
+../../../../GNUmakefile \ No newline at end of file
diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile
new file mode 100644
index 0000000000..835f2a37b2
--- /dev/null
+++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/Makefile
@@ -0,0 +1,38 @@
+# -*- 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 $(topsrcdir)/build-aux/Makefile.head.mk
+
+ifneq ($(ENABLE_HIBERNATE),)
+systemgenerator_PROGRAMS += \
+ systemd-hibernate-resume-generator
+
+systemd_hibernate_resume_generator_SOURCES = \
+ src/hibernate-resume/hibernate-resume-generator.c
+
+systemd_hibernate_resume_generator_LDADD = \
+ libsystemd-shared.la
+
+endif # ENABLE_HIBERNATE
+
+include $(topsrcdir)/build-aux/Makefile.tail.mk
diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c
new file mode 100644
index 0000000000..de440853db
--- /dev/null
+++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/hibernate-resume-generator.c
@@ -0,0 +1,99 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Ivan Shapovalov
+
+ 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 <stdio.h>
+
+#include "systemd-basic/alloc-util.h"
+#include "systemd-basic/log.h"
+#include "systemd-basic/mkdir.h"
+#include "systemd-basic/proc-cmdline.h"
+#include "systemd-basic/special.h"
+#include "systemd-basic/string-util.h"
+#include "systemd-basic/unit-name.h"
+#include "systemd-basic/util.h"
+#include "systemd-shared/fstab-util.h"
+
+static const char *arg_dest = "/tmp";
+static char *arg_resume_dev = NULL;
+
+static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
+
+ if (streq(key, "resume") && value) {
+ free(arg_resume_dev);
+ arg_resume_dev = fstab_node_to_udev_node(value);
+ if (!arg_resume_dev)
+ return log_oom();
+ }
+
+ return 0;
+}
+
+static int process_resume(void) {
+ _cleanup_free_ char *name = NULL, *lnk = NULL;
+ int r;
+
+ if (!arg_resume_dev)
+ return 0;
+
+ r = unit_name_from_path_instance("systemd-hibernate-resume", arg_resume_dev, ".service", &name);
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate unit name: %m");
+
+ lnk = strjoin(arg_dest, "/" SPECIAL_SYSINIT_TARGET ".wants/", name, NULL);
+ if (!lnk)
+ return log_oom();
+
+ mkdir_parents_label(lnk, 0755);
+ if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-hibernate-resume@.service", lnk) < 0)
+ return log_error_errno(errno, "Failed to create symlink %s: %m", lnk);
+
+ return 0;
+}
+
+int main(int argc, char *argv[]) {
+ int r = 0;
+
+ if (argc > 1 && argc != 4) {
+ log_error("This program takes three or no arguments.");
+ return EXIT_FAILURE;
+ }
+
+ if (argc > 1)
+ arg_dest = argv[1];
+
+ log_set_target(LOG_TARGET_SAFE);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ /* Don't even consider resuming outside of initramfs. */
+ if (!in_initrd())
+ return EXIT_SUCCESS;
+
+ r = parse_proc_cmdline(parse_proc_cmdline_item, NULL, false);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
+
+ r = process_resume();
+ free(arg_resume_dev);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml
new file mode 100644
index 0000000000..d811b9b551
--- /dev/null
+++ b/src/grp-initprogs/grp-sleep/systemd-hibernate-resume-generator/systemd-hibernate-resume-generator.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!--
+ This file is part of systemd.
+
+ Copyright 2014 Ivan Shapovalov
+
+ 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/>.
+-->
+<refentry id="systemd-hibernate-resume-generator">
+
+ <refentryinfo>
+ <title>systemd-hibernate-resume-generator</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Ivan</firstname>
+ <surname>Shapovalov</surname>
+ <email>intelfx100@gmail.com</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-hibernate-resume-generator</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-hibernate-resume-generator</refname>
+ <refpurpose>Unit generator for resume= kernel parameter</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/usr/lib/systemd/system-generators/systemd-hibernate-resume-generator</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-hibernate-resume-generator</filename> is a
+ generator that instantiates
+ <citerefentry><refentrytitle>systemd-hibernate-resume@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ unit according to the value of <option>resume=</option> parameter
+ specified on the kernel command line.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Kernel Command Line</title>
+
+ <para><filename>systemd-hibernate-resume-generator</filename>
+ understands the following kernel command line parameters:</para>
+
+ <variablelist class='kernel-commandline-options'>
+
+ <varlistentry>
+ <term><varname>resume=</varname></term>
+
+ <listitem><para>Takes a path to the resume device. Both
+ persistent block device paths like
+ <filename>/dev/disk/by-foo/bar</filename> and
+ <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>-style
+ specifiers like <literal>FOO=bar</literal> are
+ supported.</para></listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-hibernate-resume@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>