diff options
Diffstat (limited to 'src/core/dbus-manager.c')
| -rw-r--r-- | src/core/dbus-manager.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c index bdc9192217..2e6bc3dfec 100644 --- a/src/core/dbus-manager.c +++ b/src/core/dbus-manager.c @@ -32,6 +32,7 @@ #include "install.h" #include "watchdog.h" #include "hwclock.h" +#include "path-util.h" #define BUS_MANAGER_INTERFACE_BEGIN \ " <interface name=\"org.freedesktop.systemd1.Manager\">\n" @@ -126,6 +127,10 @@ " <method name=\"PowerOff\"/>\n" \ " <method name=\"Halt\"/>\n" \ " <method name=\"KExec\"/>\n" \ + " <method name=\"SwitchRoot\">\n" \ + " <arg name=\"new_root\" type=\"s\" direction=\"in\"/>\n" \ + " <arg name=\"init\" type=\"s\" direction=\"in\"/>\n" \ + " </method>\n" \ " <method name=\"SetEnvironment\">\n" \ " <arg name=\"names\" type=\"as\" direction=\"in\"/>\n" \ " </method>\n" \ @@ -1177,6 +1182,53 @@ static DBusHandlerResult bus_manager_message_handler(DBusConnection *connection, m->exit_code = MANAGER_KEXEC; + } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SwitchRoot")) { + const char *switch_root, *switch_root_init; + char *u, *v; + + if (!dbus_message_get_args( + message, + &error, + DBUS_TYPE_STRING, &switch_root, + DBUS_TYPE_STRING, &switch_root_init, + DBUS_TYPE_INVALID)) + return bus_send_error_reply(connection, message, &error, -EINVAL); + + if (path_equal(switch_root, "/") || !is_path(switch_root)) + return bus_send_error_reply(connection, message, NULL, -EINVAL); + + if (!isempty(switch_root_init) && !is_path(switch_root_init)) + return bus_send_error_reply(connection, message, NULL, -EINVAL); + + if (m->running_as != MANAGER_SYSTEM) { + dbus_set_error(&error, BUS_ERROR_NOT_SUPPORTED, "Switching root is only supported for system managers."); + return bus_send_error_reply(connection, message, &error, -ENOTSUP); + } + + u = strdup(switch_root); + if (!u) + goto oom; + + if (!isempty(switch_root_init)) { + v = strdup(switch_root_init); + if (!v) { + free(u); + goto oom; + } + } else + v = NULL; + + free(m->switch_root); + free(m->switch_root_init); + m->switch_root = u; + m->switch_root_init = v; + + reply = dbus_message_new_method_return(message); + if (!reply) + goto oom; + + m->exit_code = MANAGER_SWITCH_ROOT; + } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Manager", "SetEnvironment")) { char **l = NULL, **e = NULL; |