man 1 SYSTEMD-STDIO-BRIDGE

SYSTEMD-STDIO-BRIDGE(1)      systemd-stdio-bridge      SYSTEMD-STDIO-BRIDGE(1)

NAME
       systemd-stdio-bridge - D-Bus proxy

SYNOPSIS
       systemd-stdio-bridge [OPTIONS...]

DESCRIPTION
       systemd-stdio-bridge implements a proxy between STDIN/STDOUT and a
       D-Bus bus. It expects to receive an open connection via STDIN/STDOUT
       when started, and will create a new connection to the specified bus. It
       will then forward messages between the two connections. This program is
       suitable for socket activation: the first connection may be a pipe or a
       socket and must be passed as either standard input, or as an open file
       descriptor according to the protocol described in sd_listen_fds(3). The
       second connection will be made by default to the local system bus, but
       this can be influenced by the --user, --system, --machine=, and
       --bus-path= options described below.

       sd-bus(3) uses systemd-stdio-bridge to forward D-Bus connections over
       ssh(1), or to connect to the bus of a different user, see
       sd_bus_set_address(3).

OPTIONS
       The following options are understood:

       --user
           Talk to the service manager of the calling user, rather than the
           service manager of the system.

       --system
           Talk to the service manager of the system. This is the implied
           default.

       -M, --machine=
           Execute operation on a local container. Specify a container name to
           connect to, optionally prefixed by a user name to connect as and a
           separating "@" character. If the special string ".host" is used in
           place of the container name, a connection to the local system is
           made (which is useful to connect to a specific user's user bus:
           "--user --machine=lennart@.host"). If the "@" syntax is not used,
           the connection is made as root user. If the "@" syntax is used
           either the left hand side or the right hand side may be omitted
           (but not both) in which case the local user name and ".host" are
           implied.

       -p PATH, --bus-path=PATH
           Path to the bus address. Default:
           "unix:path=/run/dbus/system_bus_socket"

       -h, --help
           Print a short help text and exit.

       --version
           Print a short version string and exit.

EXIT STATUS
       On success, 0 is returned, a non-zero failure code otherwise.

SEE ALSO
       dbus-daemon(1), dbus-broker(1), D-Bus[1], systemd(1)

NOTES
        1. D-Bus
           https://www.freedesktop.org/wiki/Software/dbus

systemd 252                                            SYSTEMD-STDIO-BRIDGE(1)