-/***
- This file is part of systemd.
-
- Copyright 2011 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <string.h>
#include "process-util.h"
#include "stdio-util.h"
#include "strv.h"
+#include "tmpfile-util.h"
#include "unit-name.h"
#include "user-util.h"
-static int property_get_pool_path(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- assert(bus);
- assert(reply);
-
- return sd_bus_message_append(reply, "s", "/var/lib/machines");
-}
+static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_pool_path, "s", "/var/lib/machines");
static int property_get_pool_usage(
sd_bus *bus,
_cleanup_close_ int fd = -1;
uint64_t usage = (uint64_t) -1;
- struct stat st;
assert(bus);
assert(reply);
- /* We try to read the quota info from /var/lib/machines, as
- * well as the usage of the loopback file
- * /var/lib/machines.raw, and pick the larger value. */
-
fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
if (fd >= 0) {
BtrfsQuotaInfo q;
usage = q.referenced;
}
- if (stat("/var/lib/machines.raw", &st) >= 0) {
- if (usage == (uint64_t) -1 || st.st_blocks * 512ULL > usage)
- usage = st.st_blocks * 512ULL;
- }
-
return sd_bus_message_append(reply, "t", usage);
}
_cleanup_close_ int fd = -1;
uint64_t size = (uint64_t) -1;
- struct stat st;
assert(bus);
assert(reply);
- /* We try to read the quota limit from /var/lib/machines, as
- * well as the size of the loopback file
- * /var/lib/machines.raw, and pick the smaller value. */
-
fd = open("/var/lib/machines", O_RDONLY|O_CLOEXEC|O_DIRECTORY);
if (fd >= 0) {
BtrfsQuotaInfo q;
size = q.referenced_max;
}
- if (stat("/var/lib/machines.raw", &st) >= 0) {
- if (size == (uint64_t) -1 || (uint64_t) st.st_size < size)
- size = st.st_size;
- }
-
return sd_bus_message_append(reply, "t", size);
}
if (r < 0)
return r;
- r = image_find(name, NULL);
- if (r == 0)
+ r = image_find(IMAGE_MACHINE, name, NULL);
+ if (r == -ENOENT)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
if (r < 0)
return r;
return method_register_machine_internal(message, false, userdata, error);
}
-static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
+static int redirect_method_to_machine(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) {
Machine *machine;
const char *name;
int r;
assert(message);
assert(m);
+ assert(method);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
if (!machine)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
- return bus_machine_method_terminate(message, machine, error);
+ return method(message, machine, error);
}
-static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return sd_bus_error_set_errno(error, r);
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
+static int method_terminate_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_terminate);
+}
- return bus_machine_method_kill(message, machine, error);
+static int method_kill_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_kill);
}
static int method_get_machine_addresses(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return sd_bus_error_set_errno(error, r);
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_get_addresses(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_addresses);
}
static int method_get_machine_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return sd_bus_error_set_errno(error, r);
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_get_os_release(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_os_release);
}
static int method_list_images(sd_bus_message *message, void *userdata, sd_bus_error *error) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
+ _cleanup_hashmap_free_ Hashmap *images = NULL;
Manager *m = userdata;
Image *image;
Iterator i;
assert(message);
assert(m);
- images = hashmap_new(&string_hash_ops);
+ images = hashmap_new(&image_hash_ops);
if (!images)
return -ENOMEM;
- r = image_discover(images);
+ r = image_discover(IMAGE_MACHINE, images);
if (r < 0)
return r;
}
static int method_open_machine_pty(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return sd_bus_error_set_errno(error, r);
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_open_pty(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_pty);
}
static int method_open_machine_login(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_open_login(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_login);
}
static int method_open_machine_shell(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
-
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_open_shell(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_shell);
}
static int method_bind_mount_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_bind_mount(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_bind_mount);
}
static int method_copy_machine(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_copy(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_copy);
}
static int method_open_machine_root_directory(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_open_root_directory(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_open_root_directory);
}
static int method_get_machine_uid_shift(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- Manager *m = userdata;
- Machine *machine;
- const char *name;
- int r;
-
- assert(message);
- assert(m);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- machine = hashmap_get(m->machines, name);
- if (!machine)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name);
-
- return bus_machine_method_get_uid_shift(message, machine, error);
+ return redirect_method_to_machine(message, userdata, error, bus_machine_method_get_uid_shift);
}
-static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+static int redirect_method_to_image(sd_bus_message *message, Manager *m, sd_bus_error *error, sd_bus_message_handler_t method) {
_cleanup_(image_unrefp) Image* i = NULL;
const char *name;
int r;
assert(message);
+ assert(m);
+ assert(method);
r = sd_bus_message_read(message, "s", &name);
if (r < 0)
if (!image_name_is_valid(name))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
- r = image_find(name, &i);
- if (r < 0)
- return r;
- if (r == 0)
+ r = image_find(IMAGE_MACHINE, name, &i);
+ if (r == -ENOENT)
return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
-
- i->userdata = userdata;
- return bus_image_method_remove(message, i, error);
-}
-
-static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(image_unrefp) Image* i = NULL;
- const char *old_name;
- int r;
-
- assert(message);
-
- r = sd_bus_message_read(message, "s", &old_name);
if (r < 0)
return r;
- if (!image_name_is_valid(old_name))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
+ i->userdata = m;
+ return method(message, i, error);
+}
- r = image_find(old_name, &i);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
+static int method_remove_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_image(message, userdata, error, bus_image_method_remove);
+}
- i->userdata = userdata;
- return bus_image_method_rename(message, i, error);
+static int method_rename_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_image(message, userdata, error, bus_image_method_rename);
}
static int method_clone_image(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(image_unrefp) Image *i = NULL;
- const char *old_name;
- int r;
-
- assert(message);
-
- r = sd_bus_message_read(message, "s", &old_name);
- if (r < 0)
- return r;
-
- if (!image_name_is_valid(old_name))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", old_name);
-
- r = image_find(old_name, &i);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", old_name);
-
- i->userdata = userdata;
- return bus_image_method_clone(message, i, error);
+ return redirect_method_to_image(message, userdata, error, bus_image_method_clone);
}
static int method_mark_image_read_only(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(image_unrefp) Image *i = NULL;
- const char *name;
- int r;
-
- assert(message);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
+ return redirect_method_to_image(message, userdata, error, bus_image_method_mark_read_only);
+}
- if (!image_name_is_valid(name))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
+static int method_get_image_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_image(message, userdata, error, bus_image_method_get_hostname);
+}
- r = image_find(name, &i);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
+static int method_get_image_machine_id(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_id);
+}
- i->userdata = userdata;
- return bus_image_method_mark_read_only(message, i, error);
+static int method_get_image_machine_info(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ return redirect_method_to_image(message, userdata, error, bus_image_method_get_machine_info);
}
static int method_get_image_os_release(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(image_unrefp) Image *i = NULL;
- const char *name;
- int r;
-
- assert(message);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- if (!image_name_is_valid(name))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
-
- r = image_find(name, &i);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
-
- i->userdata = userdata;
- return bus_image_method_get_os_release(message, i, error);
+ return redirect_method_to_image(message, userdata, error, bus_image_method_get_os_release);
}
static int clean_pool_done(Operation *operation, int ret, sd_bus_error *error) {
return -errno;
/* This might be a slow operation, run it asynchronously in a background process */
- child = fork();
- if (child < 0)
- return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
-
- if (child == 0) {
- _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
+ r = safe_fork("(sd-clean)", FORK_RESET_SIGNALS, &child);
+ if (r < 0)
+ return sd_bus_error_set_errnof(error, r, "Failed to fork(): %m");
+ if (r == 0) {
+ _cleanup_hashmap_free_ Hashmap *images = NULL;
bool success = true;
Image *image;
Iterator i;
errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
- images = hashmap_new(&string_hash_ops);
+ images = hashmap_new(&image_hash_ops);
if (!images) {
r = -ENOMEM;
goto child_fail;
}
- r = image_discover(images);
+ r = image_discover(IMAGE_MACHINE, images);
if (r < 0)
goto child_fail;
return 1; /* Will call us back */
/* Set up the machine directory if necessary */
- r = setup_machine_directory(limit, error);
+ r = setup_machine_directory(error);
if (r < 0)
return r;
- /* Resize the backing loopback device, if there is one, except if we asked to drop any limit */
- if (limit != (uint64_t) -1) {
- r = btrfs_resize_loopback("/var/lib/machines", limit, false);
- if (r == -ENOTTY)
- return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Quota is only supported on btrfs.");
- if (r < 0 && r != -ENODEV) /* ignore ENODEV, as that's what is returned if the file system is not on loopback */
- return sd_bus_error_set_errnof(error, r, "Failed to adjust loopback limit: %m");
- }
-
(void) btrfs_qgroup_set_limit("/var/lib/machines", 0, limit);
r = btrfs_subvol_set_subtree_quota_limit("/var/lib/machines", 0, limit);
}
static int method_set_image_limit(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(image_unrefp) Image *i = NULL;
- const char *name;
- int r;
-
- assert(message);
-
- r = sd_bus_message_read(message, "s", &name);
- if (r < 0)
- return r;
-
- if (!image_name_is_valid(name))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Image name '%s' is invalid.", name);
-
- r = image_find(name, &i);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_IMAGE, "No image '%s' known", name);
-
- i->userdata = userdata;
- return bus_image_method_set_limit(message, i, error);
+ return redirect_method_to_image(message, userdata, error, bus_image_method_set_limit);
}
static int method_map_from_machine_user(sd_bus_message *message, void *userdata, sd_bus_error *error) {
HASHMAP_FOREACH(machine, m->machines, i) {
_cleanup_fclose_ FILE *f = NULL;
- char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1];
+ char p[STRLEN("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1];
if (machine->class != MACHINE_CONTAINER)
continue;
xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader);
f = fopen(p, "re");
if (!f) {
- log_warning_errno(errno, "Failed top open %s, ignoring,", p);
+ log_warning_errno(errno, "Failed to open %s, ignoring,", p);
continue;
}
return -EIO;
}
+ /* The private user namespace is disabled, ignoring. */
+ if (uid_shift == 0)
+ continue;
+
if (uid < uid_shift || uid >= uid_shift + uid_range)
continue;
HASHMAP_FOREACH(machine, m->machines, i) {
_cleanup_fclose_ FILE *f = NULL;
- char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1];
+ char p[STRLEN("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1];
if (machine->class != MACHINE_CONTAINER)
continue;
xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader);
f = fopen(p, "re");
if (!f) {
- log_warning_errno(errno, "Failed top open %s, ignoring,", p);
+ log_warning_errno(errno, "Failed to open %s, ignoring,", p);
continue;
}
return -EIO;
}
+ /* The private user namespace is disabled, ignoring. */
+ if (gid_shift == 0)
+ continue;
+
if (gid < gid_shift || gid >= gid_shift + gid_range)
continue;
SD_BUS_METHOD("RenameImage", "ss", NULL, method_rename_image, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("CloneImage", "ssb", NULL, method_clone_image, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("MarkImageReadOnly", "sb", NULL, method_mark_image_read_only, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetImageHostname", "s", "s", method_get_image_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetImageMachineID", "s", "ay", method_get_image_machine_id, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("GetImageMachineInfo", "s", "a{ss}", method_get_image_machine_info, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetImageOSRelease", "s", "a{ss}", method_get_image_os_release, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetPoolLimit", "t", NULL, method_set_pool_limit, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("SetImageLimit", "st", NULL, method_set_image_limit, SD_BUS_VTABLE_UNPRIVILEGED),
return r;
}
- r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid);
+ r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)(sv)",
+ "PIDs", "au", 1, pid,
+ "Delegate", "b", 1,
+ "CollectMode", "s", "inactive-or-failed",
+ "AddRef", "b", 1,
+ "TasksMax", "t", UINT64_C(16384));
if (r < 0)
return r;
- r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1);
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_C(16384));
- if (r < 0)
- return bus_log_create_error(r);
-
if (more_properties) {
r = sd_bus_message_copy(m, more_properties, true);
if (r < 0)
return 1;
}
+int manager_unref_unit(
+ Manager *m,
+ const char *unit,
+ sd_bus_error *error) {
+
+ assert(m);
+ assert(unit);
+
+ return sd_bus_call_method(
+ m->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "UnrefUnit",
+ error,
+ NULL,
+ "s",
+ unit);
+}
+
int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
return 0;
}
-
-int bus_reply_pair_array(sd_bus_message *m, char **l) {
- _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
- char **k, **v;
- int r;
-
- r = sd_bus_message_new_method_return(m, &reply);
- if (r < 0)
- return r;
-
- r = sd_bus_message_open_container(reply, 'a', "{ss}");
- if (r < 0)
- return r;
-
- STRV_FOREACH_PAIR(k, v, l) {
- r = sd_bus_message_append(reply, "{ss}", *k, *v);
- if (r < 0)
- return r;
- }
-
- r = sd_bus_message_close_container(reply);
- if (r < 0)
- return r;
-
- return sd_bus_send(NULL, reply, NULL);
-
-}
projects / thirdparty / systemd.git / blobdiff