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-rw-r--r--doc/src/sgml/config.sgml60
1 files changed, 60 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 3a8fc7d803c..f18d2b3353a 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1313,6 +1313,66 @@ include_dir 'conf.d'
</para>
</listitem>
</varlistentry>
+
+ <varlistentry id="guc-ssl-passphrase-command" xreflabel="ssl_passphrase_command">
+ <term><varname>ssl_passphrase_command</varname> (<type>string</type>)
+ <indexterm>
+ <primary><varname>ssl_passphrase_command</varname> configuration parameter</primary>
+ </indexterm>
+ </term>
+ <listitem>
+ <para>
+ Sets an external command to be invoked when a passphrase for
+ decrypting an SSL file such as a private key needs to be obtained. By
+ default, this parameter is empty, which means the built-in prompting
+ mechanism is used.
+ </para>
+ <para>
+ The command must print the passphrase to the standard output and exit
+ with code 0. In the parameter value, <literal>%p</literal> is
+ replaced by a prompt string. (Write <literal>%%</literal> for a
+ literal <literal>%</literal>.) Note that the prompt string will
+ probably contain whitespace, so be sure to quote adequately. A single
+ newline is stripped from the end of the output if present.
+ </para>
+ <para>
+ The command does not actually have to prompt the user for a
+ passphrase. It can read it from a file, obtain it from a keychain
+ facility, or similar. It is up to the user to make sure the chosen
+ mechanism is adequately secure.
+ </para>
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry id="guc-ssl-passphrase-command-supports-reload" xreflabel="ssl_passphrase_command_supports_reload">
+ <term><varname>ssl_passphrase_command_supports_reload</varname> (<type>boolean</type>)
+ <indexterm>
+ <primary><varname>ssl_passphrase_command_supports_reload</varname> configuration parameter</primary>
+ </indexterm>
+ </term>
+ <listitem>
+ <para>
+ This setting determines whether the passphrase command set by
+ <varname>ssl_passphrase_command</varname> will also be called during a
+ configuration reload if a key file needs a passphrase. If this
+ setting is false (the default), then
+ <varname>ssl_passphrase_command</varname> will be ignored during a
+ reload and the SSL configuration will not be reloaded if a passphrase
+ is needed. That setting is appropriate for a command that requires a
+ TTY for prompting, which might not be available when the server is
+ running. Setting this to true might be appropriate if the passphrase
+ is obtained from a file, for example.
+ </para>
+ <para>
+ This parameter can only be set in the <filename>postgresql.conf</filename>
+ file or on the server command line.
+ </para>
+ </listitem>
+ </varlistentry>
</variablelist>
</sect2>
</sect1>