261 lines
5.5 KiB
Groff
261 lines
5.5 KiB
Groff
.Dd 24 november 2024
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.Dt "authd" 1
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.Os Linux "(Ubuntu and Alpine)"
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.Sh Name
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.Nm authd
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.Nd the authentication daemon.
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.Sh Description
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The
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.Nm authd
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daemon is a micro-service providing authentication and authorization services.
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.Sh Synopsis
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.
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.Nm authd
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.Op Fl snREh
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.Op Fl k Ar key-file
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.Op Fl v Ar verbosity
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.Op Fl -project Ar project-name
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.Op Fl -storage-directory Ar path
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.Op Fl -service-name Ar name
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.Op Fl -recreate-indexes
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.Op Fl t Ar account-activation-template
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.Op Fl r Ar account-recovery-template
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.Op Fl m Ar mailer
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.Op Fl x Ar read-only-key
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.Sh Configuration
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Most of the actual configuration will reasonably come from a configuration file, not from command line parameters.
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By default, configuration is read from
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.Pa $XDG_CONFIG_HOME/baguette/auth.yml
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or
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.Pa /etc/baguette/auth.yml .
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Configuration file is in YAML, see the following example:
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.in +4
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.nf
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mailer_exe: /home/john/mailer
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secret_key_file: /var/authd/secret-password
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recreate_indexes: true
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.fi
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.in
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In this example, the path to a custom
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.Xr mailer
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application is configured.
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.br
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The
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.Dq "master password"
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used by
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.Xr authd
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to encrypt users's password is read from the file
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.Pa /var/authd/secret-password .
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.br
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Finally, indexes are recreated, which is related to the
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.Xr dodb 7
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document database, see the related manual page to learn more.
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.Sh Configuration file variables
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The following presents the complete list of configuration file variables.
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Generic
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.Xr libipc 7
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related variables:
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.
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.Bl -tag -width " print functions" -compact
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.It Li ipc_timer
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Int32, 30_000 (30 seconds)
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.
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.It Li verbosity
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Int32, 4 ([0-4],
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.Dq 0
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being quiet and
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.Dq 4
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meaning printing debug values)
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.
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.It Li print functions
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Print functions enable to select messages to print, for example by printing a message each time a message is received while ignoring keepalive messages.
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.Bl -tag -width " print_ipc_message_received" -compact
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.It Li print_ipc_timer
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Bool, false
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.It Li print_ipc_connection
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Bool, false
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.It Li print_ipc_disconnection
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Bool, false
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.It Li print_ipc_extra_socket
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Bool, false
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.It Li print_ipc_message_received
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Bool, false
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.It Li print_ipc_message_sent
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Bool, false
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.It Li print_ipc_switch
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Bool, false
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.It Li print_ipc_error
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Bool, true
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.It Li print_ipc_exception
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Bool, true
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.It Li print_keepalive
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Bool, false
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.El
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.
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.El
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Specific
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.Xr authd
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variables:
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.Bl -tag -width " print_password_recovery_parameters" -compact
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.It Li service_name
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String,
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.Dq auth
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.It Li recreate_indexes
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Bool, false
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.It Li storage_directory
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String,
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.Pa ./db-authd
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.It Li registrations
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Bool, false
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.It Li require_email
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Bool, false
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.It Li activation_template
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String,
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.Dq email-activation
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.It Li recovery_template
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String,
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.Dq email-recovery
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.It Li mailer_exe
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String,
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.Pa /usr/local/bin/mailer
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.It Li read_only_profile_keys
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Array of String, []
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.It Li print_password_recovery_parameters
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Bool, false
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.El
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.Sh Options
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.Bl -tag -width "-t activation-template-name,"
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.It Li -s , --simulation
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Print configuration then quit.
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.
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.It Li -n , --no-configuration
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No configuration file should be read.
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.
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.It Li -v No verbosity , Li --verbosity No level
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Verbosity level. From 0 to 4. Default: 4.
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.
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.It Li --project No project-name
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Project name, used for slotting to enable several instances of
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.Nm authd
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to run at the same time.
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Will search in
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.Pa $XDG_CONFIG_HOME/baguette/<project-name>/auth.yml
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then
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.Pa /etc/baguette/<project-name>/auth.yml .
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.
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.It Li -h , --help
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Show some help, but won't cover as much as the actual manual.
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.
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.It Li --service-name No service_name
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Service name (IPC).
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.
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.It Li --recreate-indexes
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Recreate database indexes (symbolic links).
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.
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.It Li --storage-directory No directory
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Directory in which to store users.
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.
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.It Li -k No file , Li --key-file No file
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JWT key file.
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.
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.It Li -R , --allow-registrations
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Allow user registration.
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.
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.It Li -E , --require-email
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Require an email from users at registration.
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.
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.It Li -t No activation-template-name , Li --activation-template No name
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Email activation template.
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.
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.It Li -r No recovery-template-name , Li --recovery-template No name
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Email recovery template.
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.
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.It Li -m No mailer-exe , Li --mailer No mailer-exe
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Application to send registration emails.
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.
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.It Li -x No key , Li --read-only-profile-key No key
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Mark a user profile key as being read-only.
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.El
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.
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.Sh Detailed description
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The code is based on the
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.Nm libipc
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library and (trivial) JSON requests, enabling a simple API.
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.
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.Sh Required tooling for user registration
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Two applications are required for
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.Xr authd
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to send emails upon user registration: an SMTP server and a
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.Xr mailer ,
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an application that is called upon user registration.
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The
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.Xr mailer 1
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application takes three parameters: "send", a template name and the target email address.
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This application also takes two environment variables:
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.Ev LOGIN
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and
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.Ev TOKEN .
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See
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.Pa src/process.cr .
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.br
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Example:
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.br
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$ LOGIN=john TOKEN=a-b-c-d
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.Nm mailer
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send registration-template 'john@example.com'
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An example of such mailer can be found here:
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.br
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.Lk https://git.baguette.netlib.re/Baguette/mailer mailer
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.Sh See also
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TODO: expand the documentation
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.Bl -bullet -compact
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.
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.It
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.Xr libipc 7
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the documentation of the way libipc works
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.
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.It
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.Xr authc 1
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a command-line-interface client for
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.Xr authd
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.
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.It
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.Xr dnsmanagerd 1
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a DNS manager service using
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.Xr authd
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to handle users (authentication, authorization, preferences and profile)
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.
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.It
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.Xr mailer 1
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a simple executable to send mails based on templates
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.
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.It
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.Xr dodb 7
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a document database library used in
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.Xr authd .
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.El
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.Sh Limitations
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WARNING:
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.Xr authd
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doesn't handle all possible email addresses.
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TODO: expand the documentation
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