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mosquitto_ctrl.1.xml
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<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet type="text/xsl" href="manpage.xsl"?>
<refentry xml:id="mosquitto_ctrl" xmlns:xlink="http:https://www.w3.org/1999/xlink">
<refmeta>
<refentrytitle>mosquitto_ctrl</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class="source">Mosquitto Project</refmiscinfo>
<refmiscinfo class="manual">Commands</refmiscinfo>
</refmeta>
<refnamediv>
<refname>mosquitto_ctrl</refname>
<refpurpose>a tool for initialising/configuring a Mosquitto broker instance</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>mosquitto_ctrl</command>
<arg choice='opt'>connection-options</arg>
<arg choice='plain'>module-name</arg>
<arg choice='plain'>module-command</arg>
<arg choice='opt'>command-options</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>connection-options:</command>
<group choice='req'>
<arg choice='plain'>
<arg><option>-h</option> <replaceable>hostname</replaceable></arg>
<arg><option>--unix</option> <replaceable>socket path</replaceable></arg>
<arg><option>-p</option> <replaceable>port-number</replaceable></arg>
<arg><option>-u</option> <replaceable>username</replaceable></arg>
<arg><option>-P</option> <replaceable>password</replaceable></arg>
</arg>
<arg choice='plain'><option>-L</option> <replaceable>URL</replaceable></arg>
</group>
<arg><option>-A</option> <replaceable>bind-address</replaceable></arg>
<arg><option>-c</option></arg>
<arg><option>-d</option></arg>
<arg><option>-i</option> <replaceable>client-id</replaceable></arg>
<arg><option>-q</option> <replaceable>message-QoS</replaceable></arg>
<arg><option>--quiet</option></arg>
<arg><option>-V</option> <replaceable>protocol-version</replaceable></arg>
<group>
<arg>
<group choice='req'>
<arg choice='plain'><option>--cafile</option> <replaceable>file</replaceable></arg>
<arg choice='plain'><option>--capath</option> <replaceable>dir</replaceable></arg>
</group>
<arg><option>--cert</option> <replaceable>file</replaceable></arg>
<arg><option>--key</option> <replaceable>file</replaceable></arg>
<arg><option>--ciphers</option> <replaceable>ciphers</replaceable></arg>
<arg><option>--tls-version</option> <replaceable>version</replaceable></arg>
<arg><option>--tls-alpn</option> <replaceable>protocol</replaceable></arg>
<arg><option>--tls-engine</option> <replaceable>engine</replaceable></arg>
<arg><option>--keyform</option>
<group choice='req'>
<arg choice='plain'><replaceable>pem</replaceable></arg>
<arg choice='plain'><replaceable>engine</replaceable></arg>
</group></arg>
<arg><option>--tls-engine-kpass-sha1</option> <replaceable>kpass-sha1</replaceable></arg>
<arg><option>--insecure</option></arg>
</arg>
<arg>
<arg choice='plain'><option>--psk</option> <replaceable>hex-key</replaceable></arg>
<arg choice='plain'><option>--psk-identity</option> <replaceable>identity</replaceable></arg>
<arg><option>--ciphers</option> <replaceable>ciphers</replaceable></arg>
<arg><option>--tls-version</option> <replaceable>version</replaceable></arg>
</arg>
</group>
<arg><option>--proxy</option> <replaceable>socks-url</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>mosquitto_ctrl</command>
<arg><option>--help</option></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>mosquitto_ctrl</command> is a tool for helping configure a Mosquitto broker instance.</para>
</refsect1>
<refsect1>
<title>Encrypted Connections</title>
<para><command>mosquitto_ctrl</command> supports TLS encrypted
connections. It is strongly recommended that you use an encrypted
connection for all remote use of mosquitto_ctrl.</para>
<para>To enable TLS connections when using x509 certificates, one of
either <option>--cafile</option> or <option>--capath</option> must
be provided as an option.</para>
<para>To enable TLS connections when using TLS-PSK, you must use the
<option>--psk</option> and the <option>--psk-identity</option>
options.</para>
</refsect1>
<refsect1>
<title>Modules</title>
<variablelist>
<varlistentry>
<term><option>Dynamic security</option></term>
<listitem>
<para>
Authentication, and role based access control with users
and groups. Uses the <command>dynsec</command> module name. See:
<citerefentry>
<refentrytitle><link xlink:href="mosquitto_ctrl_dynsec-1.html">mosquitto_ctrl_dynsec</link></refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>External modules</option></term>
<listitem>
<para><command>mosquitto_ctrl</command> has the ability to load
external modules in the form of shared libraries. For example
using the module name <option>example</option> will try to load
the external module <option>mosquitto_ctrl_example.so</option>
or <option>mosquitto_ctrl_example.dll</option>, depending on platform.
This allows new functionality to be added to Mosquitto by combining
a plugin and mosquitto_ctrl module, without having to recompile any
Mosquitto source code.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Connection Options</title>
<para>The options below may be given on the command line, but may also
be placed in a config file located at
<option>$XDG_CONFIG_HOME/mosquitto_ctrl</option> or
<option>$HOME/.config/mosquitto_ctrl</option> with one pair of
<option>-option <replaceable>value</replaceable></option>
per line. The values in the config file will be used as defaults
and can be overridden by using the command line. The exceptions to
this are the message type options, of which only one can be
specified. Note also that currently some options cannot be negated,
e.g. <option>-S</option>. Config file lines that have a
<option>#</option> as the first character are treated as comments
and not processed any further.</para>
<variablelist>
<varlistentry>
<term><option>-A</option></term>
<listitem>
<para>Bind the outgoing connection to a local ip
address/hostname. Use this argument if you need to
restrict network communication to a particular
interface.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--cafile</option></term>
<listitem>
<para>Define the path to a file containing PEM encoded CA
certificates that are trusted. Used to enable SSL
communication.</para>
<para>See also <option>--capath</option></para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--capath</option></term>
<listitem>
<para>Define the path to a directory containing PEM encoded CA
certificates that are trusted. Used to enable SSL
communication.</para>
<para>For <option>--capath</option> to work correctly, the
certificate files must have ".crt" as the file ending
and you must run "openssl rehash <path to capath>" each
time you add/remove a certificate.</para>
<para>See also <option>--cafile</option></para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--cert</option></term>
<listitem>
<para>Define the path to a file containing a PEM encoded
certificate for this client, if required by the
server.</para>
<para>See also <option>--key</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--ciphers</option></term>
<listitem>
<para>An openssl compatible list of TLS ciphers to support
in the client. See
<citerefentry><refentrytitle>ciphers</refentrytitle><manvolnum>1</manvolnum></citerefentry>
for more information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-d</option></term>
<term><option>--debug</option></term>
<listitem>
<para>Enable debug messages.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-D</option></term>
<term><option>--property</option></term>
<listitem>
<para>Use an MQTT v5 property with this publish. If you use
this option, the client will be set to be an MQTT v5
client. This option has two forms:</para>
<para><option>-D command identifier value</option></para>
<para><option>-D command identifier name value</option></para>
<para><option>command</option> is the MQTT command/packet
identifier and can be one of CONNECT, PUBLISH, PUBREL,
DISCONNECT, AUTH, or WILL. The properties available for
each command are listed in the
<link linkend='properties'>Properties</link>
section.</para>
<para><option>identifier</option> is the name of the
property to add. This is as described in the
specification, but with '-' as a word separator. For
example:
<option>payload-format-indicator</option>. More details
are in the <link linkend='properties'>Properties</link>
section.</para>
<para><option>value</option> is the value of the property
to add, with a data type that is property
specific.</para>
<para><option>name</option> is only used for the
<option>user-property</option> property as the first of
the two strings in the string pair. In that case,
<option>value</option> is the second of the strings in
the pair.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--help</option></term>
<listitem>
<para>Display usage information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-h</option></term>
<term><option>--host</option></term>
<listitem>
<para>Specify the host to connect to. Defaults to localhost.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-i</option></term>
<term><option>--id</option></term>
<listitem>
<para>The id to use for this client. If not given, a client id will
be generated depending on the MQTT version being used. For v3.1.1/v3.1,
the client generates a client id in the format
<option>mosq-XXXXXXXXXXXXXXXXXX</option>, where the
<option>X</option> are replaced with random alphanumeric
characters. For v5.0, the client sends a zero length client id, and the
server will generate a client id for the client.</para>
<para>This option cannot be used at the same time as the
<option>--id-prefix</option> argument.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--insecure</option></term>
<listitem>
<para>When using certificate based encryption, this option
disables verification of the server hostname in the
server certificate. This can be useful when testing
initial server configurations but makes it possible for
a malicious third party to impersonate your server
through DNS spoofing, for example. Use this option in
testing <emphasis>only</emphasis>. If you need to
resort to using this option in a production
environment, your setup is at fault and there is no
point using encryption.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--key</option></term>
<listitem>
<para>Define the path to a file containing a PEM encoded
private key for this client, if required by the
server.</para>
<para>See also <option>--cert</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--keyform</option></term>
<listitem>
<para>Specifies the type of private key in use when making
TLS connections.. This can be "pem" or "engine". This
parameter is useful when a TPM module is being used and
the private key has been created with it. Defaults to
"pem", which means normal private key files are
used.</para>
<para>See also <option>--tls-engine</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-L</option></term>
<term><option>--url</option></term>
<listitem>
<para>Specify specify user, password, hostname, port and
topic at once as a URL. The URL must be in the form:
mqtt(s):https://[username[:password]@]host[:port]/topic</para>
<para>If the scheme is mqtt:https:// then the port defaults to
1883. If the scheme is mqtts:https:// then the port defaults
to 8883.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--nodelay</option></term>
<listitem>
<para>Disable Nagle's algorithm for the socket. This means
that latency of sent messages is reduced, which is
particularly noticable for small, reasonably infrequent
messages. Using this option may result in more packets
being sent than would normally be necessary.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-p</option></term>
<term><option>--port</option></term>
<listitem>
<para>Connect to the port specified. If not given, the
default of 1883 for plain MQTT or 8883 for MQTT over
TLS will be used.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-P</option></term>
<term><option>--pw</option></term>
<listitem>
<para>Provide a password to be used for authenticating with
the broker. Using this argument without also specifying
a username is invalid when using MQTT v3.1 or v3.1.1.
See also the <option>--username</option> option.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--proxy</option></term>
<listitem>
<para>Specify a SOCKS5 proxy to connect through. "None" and
"username" authentication types are supported. The
<option>socks-url</option> must be of the form
<option>socks5h:https://[username[:password]@]host[:port]</option>.
The protocol prefix <option>socks5h</option> means that
hostnames are resolved by the proxy. The symbols %25,
%3A and %40 are URL decoded into %, : and @
respectively, if present in the username or
password.</para>
<para>If username is not given, then no authentication is
attempted. If the port is not given, then the default
of 1080 is used.</para>
<para>More SOCKS versions may be available in the future,
depending on demand, and will use different protocol
prefixes as described in <citerefentry>
<refentrytitle>curl</refentrytitle>
<manvolnum>1</manvolnum> </citerefentry>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--psk</option></term>
<listitem>
<para>Provide the hexadecimal (no leading 0x)
pre-shared-key matching the one used on the broker to
use TLS-PSK encryption support.
<option>--psk-identity</option> must also be provided
to enable TLS-PSK.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--psk-identity</option></term>
<listitem>
<para>The client identity to use with TLS-PSK support. This
may be used instead of a username if the broker is
configured to do so.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-q</option></term>
<term><option>--qos</option></term>
<listitem>
<para>Specify the quality of service to use for messages, from 0, 1 and 2. Defaults to 1.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--quiet</option></term>
<listitem>
<para>If this argument is given, no runtime errors will be
printed. This excludes any error messages given in case of
invalid user input (e.g. using <option>--port</option> without a
port).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--tls-alpn</option></term>
<listitem>
<para>Provide a protocol to use when connecting to a broker
that has multiple protocols available on a single port,
e.g. MQTT and WebSockets.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--tls-engine</option></term>
<listitem>
<para>A valid openssl engine id. These can be listed with
openssl engine command.</para>
<para>See also <option>--keyform</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--tls-engine-kpass-sha1</option></term>
<listitem>
<para>SHA1 of the private key password when using an TLS
engine. Some TLS engines such as the TPM engine may
require the use of a password in order to be accessed.
This option allows a hex encoded SHA1 hash of the
password to the engine directly, instead of the user
being prompted for the password.</para>
<para>See also <option>--tls-engine</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--tls-version</option></term>
<listitem>
<para>Choose which TLS protocol version to use when
communicating with the broker. Valid options are
<option>tlsv1.3</option>, <option>tlsv1.2</option> and
<option>tlsv1.1</option>. The default value is
<option>tlsv1.2</option>. Must match the protocol
version used by the broker.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-u</option></term>
<term><option>--username</option></term>
<listitem>
<para>Provide a username to be used for authenticating with
the broker. See also the <option>--pw</option>
argument.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--unix</option></term>
<listitem>
<para>Connect to a broker through a local unix domain socket
instead of a TCP socket. This is a replacement for
<option>-h</option> and <option>-L</option>. For example:
<option>mosquitto_ctrl --unix /tmp/mosquitto.sock ...</option>
</para>
<para>See the <option>socket_domain</option> option in
<refentrytitle>
<link xlink:href="mosquitto-conf-5.html">mosquitto.conf</link>
</refentrytitle><manvolnum>5</manvolnum>
to configure Mosquitto to listen on a unix socket.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-V</option></term>
<term><option>--protocol-version</option></term>
<listitem>
<para>Specify which version of the MQTT protocol should be
used when connecting to the rmeote broker. Can be
<option>5</option>, <option>311</option>,
<option>31</option>, or the more verbose
<option>mqttv5</option>, <option>mqttv311</option>, or
<option>mqttv31</option>.
Defaults to <option>311</option>.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='properties'>
<title>Properties</title>
<para>The <option>-D</option> / <option>--property</option> option
allows adding properties to different stages of the mosquitto_ctrl
run. The properties supported for each command are as
follows:</para>
<refsect2>
<title>Connect</title>
<itemizedlist>
<listitem><para><option>authentication-data</option> (binary data - note treated as a string in mosquitto_ctrl)</para></listitem>
<listitem><para><option>authentication-method</option> (UTF-8 string pair)</para></listitem>
<listitem><para><option>maximum-packet-size</option> (32-bit unsigned integer)</para></listitem>
<listitem><para><option>receive-maximum</option> (16-bit unsigned integer)</para></listitem>
<listitem><para><option>request-problem-information</option> (8-bit unsigned integer)</para></listitem>
<listitem><para><option>request-response-information</option> (8-bit unsigned integer)</para></listitem>
<listitem><para><option>session-expiry-interval</option> (32-bit unsigned integer, note use <option>-x</option> instead)</para></listitem>
<listitem><para><option>topic-alias-maximum</option> (16-bit unsigned integer)</para></listitem>
<listitem><para><option>user-property</option> (UTF-8 string pair)</para></listitem>
</itemizedlist>
</refsect2>
<refsect2>
<title>Publish</title>
<itemizedlist>
<listitem><para><option>content-type</option> (UTF-8 string)</para></listitem>
<listitem><para><option>correlation-data</option> (binary data - note treated as a string in mosquitto_ctrl)</para></listitem>
<listitem><para><option>message-expiry-interval</option> (32-bit unsigned integer)</para></listitem>
<listitem><para><option>payload-format-indicator</option> (8-bit unsigned integer)</para></listitem>
<listitem><para><option>response-topic</option> (UTF-8 string)</para></listitem>
<listitem><para><option>topic-alias</option> (16-bit unsigned integer)</para></listitem>
<listitem><para><option>user-property</option> (UTF-8 string pair)</para></listitem>
</itemizedlist>
</refsect2>
<refsect2>
<title>Disconnect</title>
<itemizedlist>
<listitem><para><option>session-expiry-interval</option> (32-bit unsigned integer)</para></listitem>
<listitem><para><option>user-property</option> (UTF-8 string pair)</para></listitem>
</itemizedlist>
</refsect2>
<refsect2>
<title>Will properties</title>
<itemizedlist>
<listitem><para><option>content-type</option> (UTF-8 string)</para></listitem>
<listitem><para><option>correlation-data</option> (binary data - note treated as a string in mosquitto_ctrl)</para></listitem>
<listitem><para><option>message-expiry-interval</option> (32-bit unsigned integer)</para></listitem>
<listitem><para><option>payload-format-indicator</option> (8-bit unsigned integer)</para></listitem>
<listitem><para><option>response-topic</option> (UTF-8 string)</para></listitem>
<listitem><para><option>user-property</option> (UTF-8 string pair)</para></listitem>
<listitem><para><option>will-delay-interval</option> (32-bit unsigned integer)</para></listitem>
</itemizedlist>
</refsect2>
</refsect1>
<refsect1>
<title>Exit Status</title>
<para>
mosquitto_sub returns zero on success, or non-zero on error. If
the connection is refused by the broker at the MQTT level, then
the exit code is the CONNACK reason code. If another error
occurs, the exit code is a libmosquitto return value.
</para>
<para>MQTT v3.1.1 CONNACK codes:</para>
<itemizedlist mark="circle">
<listitem><para><option>0</option> Success</para></listitem>
<listitem><para><option>1</option> Connection refused: Bad protocol version</para></listitem>
<listitem><para><option>2</option> Connection refused: Identifier rejected</para></listitem>
<listitem><para><option>3</option> Connection refused: Server unavailable</para></listitem>
<listitem><para><option>4</option> Connection refused: Bad username/password</para></listitem>
<listitem><para><option>5</option> Connection refused: Not authorized</para></listitem>
</itemizedlist>
<para>MQTT v5 CONNACK codes:</para>
<itemizedlist>
<listitem><para><option>0</option> Success</para></listitem>
<listitem><para><option>128</option> Unspecified error</para></listitem>
<listitem><para><option>129</option> Malformed packet</para></listitem>
<listitem><para><option>130</option> Protocol error</para></listitem>
<listitem><para><option>131</option> Implementation specific error</para></listitem>
<listitem><para><option>132</option> Unsupported protocol version</para></listitem>
<listitem><para><option>133</option> Client ID not valid</para></listitem>
<listitem><para><option>134</option> Bad username or password</para></listitem>
<listitem><para><option>135</option> Not authorized</para></listitem>
<listitem><para><option>136</option> Server unavailable</para></listitem>
<listitem><para><option>137</option> Server busy</para></listitem>
<listitem><para><option>138</option> Banned</para></listitem>
<listitem><para><option>139</option> Server shutting down</para></listitem>
<listitem><para><option>140</option> Bad authentication method</para></listitem>
<listitem><para><option>141</option> Keep alive timeout</para></listitem>
<listitem><para><option>142</option> Session taken over</para></listitem>
<listitem><para><option>143</option> Topic filter invalid</para></listitem>
<listitem><para><option>144</option> Topic name invalid</para></listitem>
<listitem><para><option>147</option> Receive maximum exceeded</para></listitem>
<listitem><para><option>148</option> Topic alias invalid</para></listitem>
<listitem><para><option>149</option> Packet too large</para></listitem>
<listitem><para><option>148</option> Message rate too high</para></listitem>
<listitem><para><option>151</option> Quota exceeded</para></listitem>
<listitem><para><option>152</option> Administrative action</para></listitem>
<listitem><para><option>153</option> Payload format invalid</para></listitem>
<listitem><para><option>154</option> Retain not supported</para></listitem>
<listitem><para><option>155</option> QoS not supported</para></listitem>
<listitem><para><option>156</option> Use another server</para></listitem>
<listitem><para><option>157</option> Server moved</para></listitem>
<listitem><para><option>158</option> Shared subscriptions not supported</para></listitem>
<listitem><para><option>159</option> Connection rate exceeded</para></listitem>
<listitem><para><option>160</option> Maximum connect time</para></listitem>
<listitem><para><option>161</option> Subscription IDs not supported</para></listitem>
<listitem><para><option>162</option> Wildcard subscriptions not supported</para></listitem>
</itemizedlist>
</refsect1>
<refsect1>
<title>Bugs</title>
<para><command>mosquitto</command> bug information can be found at
<ulink url="https://github.com/eclipse/mosquitto/issues"/></para>
</refsect1>
<refsect1>
<title>See Also</title>
<simplelist type="inline">
<member>
<citerefentry>
<refentrytitle><link xlink:href="mqtt-7.html">mqtt</link></refentrytitle>
<manvolnum>7</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="mosquitto_rr-1.html">mosquitto_rr</link></refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="mosquitto_pub-1.html">mosquitto_pub</link></refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="mosquitto_sub-1.html">mosquitto_sub</link></refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="mosquitto-8.html">mosquitto</link></refentrytitle>
<manvolnum>8</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="libmosquitto-3.html">libmosquitto</link></refentrytitle>
<manvolnum>3</manvolnum>
</citerefentry>
</member>
<member>
<citerefentry>
<refentrytitle><link xlink:href="mosquitto-tls-7.html">mosquitto-tls</link></refentrytitle>
<manvolnum>7</manvolnum>
</citerefentry>
</member>
</simplelist>
</refsect1>
<refsect1>
<title>Author</title>
<para>Roger Light <email>[email protected]</email></para>
</refsect1>
</refentry>