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authorLennart Poettering <lennart@poettering.net>2015-09-07 15:59:52 +0200
committerLennart Poettering <lennart@poettering.net>2015-09-07 18:44:30 +0200
commite83bebeff7d9d734e17c3e38ac13daabc09518e1 (patch)
treef8f744cadfa0fe75c1897fbef4d8ab500646e897 /src/nspawn/nspawn-mount.h
parent1dc0b4e4b0dd5d59fbfc37410825c4b9a716e2b9 (diff)
downloadsystemd-e83bebeff7d9d734e17c3e38ac13daabc09518e1.tar.gz
nspawn: split out mount related functions into a new nspawn-mount.c file
Diffstat (limited to 'src/nspawn/nspawn-mount.h')
-rw-r--r--src/nspawn/nspawn-mount.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/nspawn/nspawn-mount.h b/src/nspawn/nspawn-mount.h
new file mode 100644
index 0000000000..5abd44cc4b
--- /dev/null
+++ b/src/nspawn/nspawn-mount.h
@@ -0,0 +1,70 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2015 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/>.
+***/
+
+#include <stdbool.h>
+
+typedef enum VolatileMode {
+ VOLATILE_NO,
+ VOLATILE_YES,
+ VOLATILE_STATE,
+ _VOLATILE_MODE_MAX,
+ _VOLATILE_MODE_INVALID = -1
+} VolatileMode;
+
+typedef enum CustomMountType {
+ CUSTOM_MOUNT_BIND,
+ CUSTOM_MOUNT_TMPFS,
+ CUSTOM_MOUNT_OVERLAY,
+ _CUSTOM_MOUNT_TYPE_MAX,
+ _CUSTOM_MOUNT_TYPE_INVALID = -1
+} CustomMountType;
+
+typedef struct CustomMount {
+ CustomMountType type;
+ bool read_only;
+ char *source; /* for overlayfs this is the upper directory */
+ char *destination;
+ char *options;
+ char *work_dir;
+ char **lower;
+} CustomMount;
+
+CustomMount* custom_mount_add(CustomMount **l, unsigned *n, CustomMountType t);
+
+void custom_mount_free_all(CustomMount *l, unsigned n);
+int bind_mount_parse(CustomMount **l, unsigned *n, const char *s, bool read_only);
+int tmpfs_mount_parse(CustomMount **l, unsigned *n, const char *s);
+
+int custom_mount_compare(const void *a, const void *b);
+
+int mount_all(const char *dest, bool userns, uid_t uid_shift, uid_t uid_range, const char *selinux_apifs_context);
+
+int mount_cgroups(const char *dest, bool unified_requested, bool userns, uid_t uid_shift, uid_t uid_range, const char *selinux_apifs_context);
+int mount_systemd_cgroup_writable(const char *dest, bool unified_requested);
+
+int mount_custom(const char *dest, CustomMount *mounts, unsigned n, bool userns, uid_t uid_shift, uid_t uid_range, const char *selinux_apifs_context);
+
+int setup_volatile(const char *directory, VolatileMode mode, bool userns, uid_t uid_shift, uid_t uid_range, const char *selinux_apifs_context);
+int setup_volatile_state(const char *directory, VolatileMode mode, bool userns, uid_t uid_shift, uid_t uid_range, const char *selinux_apifs_context);
+
+VolatileMode volatile_mode_from_string(const char *s);