From e83bebeff7d9d734e17c3e38ac13daabc09518e1 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 7 Sep 2015 15:59:52 +0200 Subject: nspawn: split out mount related functions into a new nspawn-mount.c file --- src/nspawn/nspawn-mount.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 src/nspawn/nspawn-mount.h (limited to 'src/nspawn/nspawn-mount.h') 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 . +***/ + +#include + +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); -- cgit v1.2.1