diff options
Diffstat (limited to 'src/core/dbus-mount.c')
| -rw-r--r-- | src/core/dbus-mount.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/core/dbus-mount.c b/src/core/dbus-mount.c new file mode 100644 index 0000000..73702b1 --- /dev/null +++ b/src/core/dbus-mount.c @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "bus-get-properties.h" +#include "dbus-cgroup.h" +#include "dbus-execute.h" +#include "dbus-kill.h" +#include "dbus-mount.h" +#include "dbus-util.h" +#include "mount.h" +#include "string-util.h" +#include "unit.h" + +static const char *mount_get_what(const Mount *m) { + if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.what) + return m->parameters_proc_self_mountinfo.what; + if (m->from_fragment && m->parameters_fragment.what) + return m->parameters_fragment.what; + return NULL; +} + +static const char *mount_get_options(const Mount *m) { + if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.options) + return m->parameters_proc_self_mountinfo.options; + if (m->from_fragment && m->parameters_fragment.options) + return m->parameters_fragment.options; + return NULL; +} + +static const char *mount_get_fstype(const Mount *m) { + if (m->from_proc_self_mountinfo && m->parameters_proc_self_mountinfo.fstype) + return m->parameters_proc_self_mountinfo.fstype; + else if (m->from_fragment && m->parameters_fragment.fstype) + return m->parameters_fragment.fstype; + return NULL; +} + +static BUS_DEFINE_PROPERTY_GET(property_get_what, "s", Mount, mount_get_what); +static BUS_DEFINE_PROPERTY_GET(property_get_options, "s", Mount, mount_get_options); +static BUS_DEFINE_PROPERTY_GET(property_get_type, "s", Mount, mount_get_fstype); +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, mount_result, MountResult); + +const sd_bus_vtable bus_mount_vtable[] = { + SD_BUS_VTABLE_START(0), + SD_BUS_PROPERTY("Where", "s", NULL, offsetof(Mount, where), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("What", "s", property_get_what, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("Options","s", property_get_options, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("Type", "s", property_get_type, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Mount, timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Mount, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Mount, directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("SloppyOptions", "b", bus_property_get_bool, offsetof(Mount, sloppy_options), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("LazyUnmount", "b", bus_property_get_bool, offsetof(Mount, lazy_unmount), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ForceUnmount", "b", bus_property_get_bool, offsetof(Mount, force_unmount), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("ReadWriteOnly", "b", bus_property_get_bool, offsetof(Mount, read_write_only), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Mount, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(Unit, ref_uid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(Unit, ref_gid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + BUS_EXEC_COMMAND_VTABLE("ExecMount", offsetof(Mount, exec_command[MOUNT_EXEC_MOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), + BUS_EXEC_COMMAND_VTABLE("ExecUnmount", offsetof(Mount, exec_command[MOUNT_EXEC_UNMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), + BUS_EXEC_COMMAND_VTABLE("ExecRemount", offsetof(Mount, exec_command[MOUNT_EXEC_REMOUNT]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), + SD_BUS_VTABLE_END +}; + +static int bus_mount_set_transient_property( + Mount *m, + const char *name, + sd_bus_message *message, + UnitWriteFlags flags, + sd_bus_error *error) { + + Unit *u = UNIT(m); + + assert(m); + assert(name); + assert(message); + + flags |= UNIT_PRIVATE; + + if (streq(name, "Where")) + return bus_set_transient_path(u, name, &m->where, message, flags, error); + + if (streq(name, "What")) + return bus_set_transient_string(u, name, &m->parameters_fragment.what, message, flags, error); + + if (streq(name, "Options")) + return bus_set_transient_string(u, name, &m->parameters_fragment.options, message, flags, error); + + if (streq(name, "Type")) + return bus_set_transient_string(u, name, &m->parameters_fragment.fstype, message, flags, error); + + if (streq(name, "TimeoutUSec")) + return bus_set_transient_usec_fix_0(u, name, &m->timeout_usec, message, flags, error); + + if (streq(name, "DirectoryMode")) + return bus_set_transient_mode_t(u, name, &m->directory_mode, message, flags, error); + + if (streq(name, "SloppyOptions")) + return bus_set_transient_bool(u, name, &m->sloppy_options, message, flags, error); + + if (streq(name, "LazyUnmount")) + return bus_set_transient_bool(u, name, &m->lazy_unmount, message, flags, error); + + if (streq(name, "ForceUnmount")) + return bus_set_transient_bool(u, name, &m->force_unmount, message, flags, error); + + if (streq(name, "ReadWriteOnly")) + return bus_set_transient_bool(u, name, &m->read_write_only, message, flags, error); + + return 0; +} + +int bus_mount_set_property( + Unit *u, + const char *name, + sd_bus_message *message, + UnitWriteFlags flags, + sd_bus_error *error) { + + Mount *m = MOUNT(u); + int r; + + assert(m); + assert(name); + assert(message); + + r = bus_cgroup_set_property(u, &m->cgroup_context, name, message, flags, error); + if (r != 0) + return r; + + if (u->transient && u->load_state == UNIT_STUB) { + /* This is a transient unit, let's load a little more */ + + r = bus_mount_set_transient_property(m, name, message, flags, error); + if (r != 0) + return r; + + r = bus_exec_context_set_transient_property(u, &m->exec_context, name, message, flags, error); + if (r != 0) + return r; + + r = bus_kill_context_set_transient_property(u, &m->kill_context, name, message, flags, error); + if (r != 0) + return r; + } + + return 0; +} + +int bus_mount_commit_properties(Unit *u) { + assert(u); + + unit_realize_cgroup(u); + + return 0; +} |