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## @li <a href="http://www.hactrn.net/opaque/rcynic.html">a sample of rcynic's summary output</a>
## @li <a href="http://mirin.apnic.net/resourcecerts/wiki/">APNIC's Wiki</a>
## @li <a href="http://mirin.apnic.net/trac/">APNIC's project Trac instance</a>
+##
+## @page Installation Installation
+##
+## Preliminary installation instructions for rpkid et al. These are the
+## production-side RPKI tools, for Internet Registries (RIRs, LIRs, etc).
+## See ../rcynic/README for relying party tools.
+##
+## rpkid is a set of Python modules supporting generation and maintenance
+## of resource certificates. Most of the code is in the rpkid/rpki/
+## directory. rpkid itself is a relatively small program that calls the
+## library modules. There are several other programs that make use of
+## the same libraries, as well as a collection of test programs.
+##
+## At present the package is intended to be run out of its build
+## directory. Setting up proper installation in a system area using the
+## Python distutils package would likely not be very hard but has not yet
+## been done.
+##
+## Note that initial development of this code has been on FreeBSD, so
+## installation will probably be easiest on FreeBSD.
+##
+## The first step to running the code is to build the OpenSSL and POW
+## binaries. At present the OpenSSL code is just a copy of the stock
+## OpenSSL 0.9.8g release, compiled with special options to enable
+## RFC 3779 support that ISC wrote under previous contract to ARIN. The
+## POW (Python OpenSSL Wrapper) library is an extended copy of the stock
+## POW release.
+##
+## To build these, cd to the top-level directory in the distribution and
+## type "make".
+##
+## @verbatim
+## $ cd $top
+## $ make
+## @endverbatim
+##
+## This should automatically build everything, in the right order,
+## including staticly linking the POW extension module with the OpenSSL
+## library to provide RFC 3779 support.
+##
+## Next, see the %list of required Python modules in rpkid/README. Note
+## that the Python code requires Python version 2.5. Install any modules
+## that might be missing.
+##
+## You will also need a MySQL installation. This code was developed
+## using MySQL 5.1 and has been tested with MySQL 5.0 and 5.1.
+##
+## The architecture is intended to support hardware signing modules
+## (HSMs), but the code to support them has not been written.
+##
+## At this point, you should have all the necessary software installed.
+## You will probably want to test it. All tests should be run from the
+## rpkid/ directory.
+##
+## Some of the tests require MySQL databases to store their data. To set
+## up all the databases that the tests will need, run the SQL commands in
+## rpkid/testbed.sql. The MySQL command line client is usually the
+## easiest way to do this, eg:
+##
+## @verbatim
+## $ cd $top/scripts
+## $ mysql -u root -p <testbed.sql
+## @endverbatim
+##
+## To run the tests, run "make all-tests":
+##
+## @verbatim
+## $ cd $top/scripts
+## $ make all-tests
+## @endverbatim
+##
+## If nothing explodes, your installation is probably ok. Any Python
+## backtraces in the output indicate a problem.
+##
+##
+##
+## @page Operation Operation
+##
+## Preliminary operation instructions for rpkid et al. These are the
+## production-side RPKI tools, for Internet Registries (RIRs, LIRs, etc).
+## See ../rcynic/README for relying party tools.
+##
+## At present the package is intended to be run out of the @c scripts/
+## directory.
+##
+## In addition to the library routines in the @c rpkid/rpki/ directory,
+## the package includes the following programs:
+##
+## @li @c rpkid.py
+## The main RPKI engine daemon
+##
+## @li @c rootd.py
+## A separate daemon for handling the root of an RPKI
+## certificate tree. This is essentially a stripped down
+## version of rpkid with no SQL database, no left-right
+## protocol implementation, and only the parent side of
+## the up-down protocol. It's separate because the root
+## is a special case in several ways and it was simpler
+## to keep the special cases out of the main daemon.
+##
+## @li @c irdbd.py
+## A sample implementation of an IR database daemon.
+## rpkid calls into this to perform lookups via the
+## left-right protocol.
+##
+## @li @c irbe-cli.py
+## A command-line client for the left-right control
+## protocol.
+##
+## @li @c irbe-setup.py
+## An example of a script to set up the mappings between
+## the IRDB and rpkid's own database, using the
+## left-right control protocol.
+##
+## @li @c cronjob.py
+## A trivial HTTP client used to drive rpkid cron events.
+##
+## @li @c testbed.py
+## A test tool for running a collection of rpkid and irdb
+## instances under common control, driven by a unified
+## test script.
+##
+## @li @c testpoke.py
+## A simple client for the up-down protocol, mostly
+## compatable with APNIC's rpki_poke.pl tool.
+##
+## Most of these programs take configuration files in a common format
+## similar to that used by the OpenSSL command line tool. The test
+## programs also take input in YAML format to drive the tests. Runs of
+## the testbed.py test tool will generate a fairly complete set
+## configuration files which may be useful as examples.
+##
+## Basic operation consists of creating the appropriate MySQL databases,
+## starting rpkid, rootd, and irdbd, using the left-right control
+## protocol to set up rpkid's internal state, and setting up a cron job
+## to invoke rpkid's cron action at regular intervals. All other
+## operations should occur either as a result of cron events or as a
+## result of incoming left-right and up-down protocol requests.
+##
+## Note that the publication protocol isn't fully specified yet, much
+## less implmenented. At the moment rpkid just writes its outputs to a
+## local directory tree.
+##
+## Note that the full event-driven model for rpkid hasn't yet been
+## implemented. The design is intended to allow an arbitrary number of
+## hosted RPKI engines to run in a single rpkid instance, but without the
+## event-driven tasking model one has to set up a separate rpkid instance
+## for each hosted RPKI engine.
+##
+## At present the daemon programs all run in foreground, that is, if one
+## wants them to run in background one must do so manually, eg, using
+## Bourne shell syntax:
+##
+## @verbatim
+## $ python whatever.py &
+## $ echo >whatever.pid "$!"
+## @endverbatim
+##
+## All of the daemons use syslog. At present they all set LOG_PERROR, so
+## all logging also goes to stderr.
+##
+##
+## @section rpkid rpkid.py
+##
+## rpkid is the main RPKI engine daemon. Configuration of rpkid is a two
+## step process: a %config file to bootstrap rpkid to the point where it
+## can speak using the left-right protocol, followed by dynamic
+## configuration via the left-right protocol. In production use the
+## latter stage would be handled by the IRBE stub; for test and
+## develoment purposes it's handled by the irbe-cli.py command line
+## interface or by the testbed.py test framework.
+##
+## rpkid stores dynamic data in an SQL database, which must have been
+## created for it, as explained in the installation guide.
+##
+## The default %config file is rpkid.conf, start rpkid with "-c filename"
+## to choose a different %config file. All options are in the section
+## "[rpkid]". Certificates, keys, and trust anchors may be in either DER
+## or PEM format.
+##
+## %Config file options:
+##
+## @li @c startup-message
+## String to %log on startup, useful when
+## debugging a collection of rpkid instances at
+## once.
+##
+## @li @c sql-username
+## Username to hand to MySQL when connecting to
+## rpkid's database.
+##
+## @li @c sql-database
+## MySQL's database name for rpkid's database.
+##
+## @li @c sql-password
+## Password to hand to MySQL when connecting to
+## rpkid's database.
+##
+## @li @c cms-ta-irdb
+## Name of file containing CMS trust anchor to
+## use when authenticating messages from irdbd.
+##
+## @li @c cms-ta-irbe
+## Name of file containing CMS trust anchor to
+## use when authenticating control messages from
+## IRBE.
+##
+## @li @c cms-key
+## Name of file containing RSA key to use when
+## signing CMS messages to IRBE or irdbd.
+##
+## @li @c cms-cert
+## Name(s) of file(s) containing certificate(s)
+## to include in CMS wrapper when signing
+## messages to IRBE or irdbd. You can specify
+## more than one certificate using OpenSSL-style
+## subscripts: cms-cert.0, cms-cert.1, etc.
+##
+## @li @c https-key
+## Name of file containing RSA key to use, both
+## in the HTTPS server role (for both up-down and
+## left-right protocols) and in the HTTPS client
+## role (left-right protocol only).
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in same contexts where https-key is
+## used. You can specify more than one
+## certificate using OpenSSL-style subscripts:
+## https-cert.0, https-cert.1, etc.
+##
+## @li @c https-ta
+## Name of file containing trust anchor to use
+## when verifying irdbd's HTTPS server
+## certificate.
+##
+## @li @c irdb-url
+## Service URL for irdbd. Must be a %https:// URL.
+##
+## @li @c https-server-host
+## Hostname or IP address on which to listen for
+## HTTPS connections. Current default is
+## INADDR_ANY (IPv4 0.0.0.0); this will need to
+## be hacked to support IPv6 for production.
+##
+## @li @c https-server-port
+## TCP port on which to listen for HTTPS
+## connections.
+##
+## @li @c publication-kludge-base
+## [TEMPORARY] Local directory under which
+## generated certificates etc should be
+## published. This is a temporary expedient
+## until the publication protocol is defined and
+## implemented. Default is "publication/"
+##
+##
+## @section rootd rootd.py
+##
+## rootd is a stripped down implmenetation of (only) the server side of
+## the up-down protocol. It's a separate program because the root
+## certificate of an RPKI certificate tree requires special handling and
+## may also require a special handling policy. rootd is a simple
+## implementation intended for test use, it's not suitable for use in a
+## production system. All configuration comes via the %config file.
+##
+## The default %config file is rootd.conf, start rootd with "-c filename"
+## to choose a different %config file. All options are in the section
+## "[rootd]". Certificates, keys, and trust anchors may be in either DER
+## or PEM format.
+##
+## %Config file options:
+##
+## @li @c cms-ta
+## Name of file containing trust anchor to use
+## when verifying CMS up-down queries.
+##
+## @li @c cms-key
+## Name of file containing RSA key to use when
+## signing CMS up-down replies.
+##
+## @li @c cms-cert
+## Name(s) of file(s) containing certificate(s)
+## to include in CMS wrapper when signing up-down
+## replies. You can specify more than one
+## certificate using OpenSSL-style subscripts:
+## cms-cert.0, cms-cert.1, etc.
+##
+## @li @c https-key
+## Name of file containing RSA key to use in the
+## HTTPS server role for the up-down protocol.
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in the HTTPS server role for the
+## up-down protocol. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: https-cert.0, https-cert.1,
+## etc.
+##
+## @li @c https-server-host
+## Hostname or IP address on which to listen for
+## HTTPS connections. Default is localhost.
+##
+## @li @c https-server-port
+## TCP port on which to listen for HTTPS
+## connections.
+##
+## @li @c rpki-key
+## Name of file containing RSA key to use in
+## signing resource certificates.
+##
+## @li @c rpki-issuer
+## Name of file containing self-signed root
+## resource certificate corresponding to
+## rpki-key.
+##
+## rpki-subject-filename:
+## Name of file that rootd should use to save the
+## one and only certificate it issues.
+##
+## rpki-pkcs10-filename:
+## Name of file that rootd should use when saving
+## a copy of the received PKCS #10 request for a
+## resource certificate. This is only used for
+## debugging. Default is not to save the PKCS
+## #10 request.
+##
+##
+## @section irdbd irdbd.py
+##
+## irdbd is a sample implemntation of the server side of the IRDB
+## callback subset of the left-right protocol. In production use this
+## service is a function of the IRBE stub; irdbd may be suitable for
+## production use in simple cases, but an IR with a complex IRDB may need
+## to extend or rewrite irdbd.
+##
+## irdbd requires a pre-populated database to represent the IR's
+## customers. irdbd expects this database to use the SQL schema defined
+## in docs/sample-irdb.sql. Once this database has been populated, the
+## IRBE stub needs to create the appropriate objects in rpkid's database
+## via the control subset of the left-right protocol, and store the
+## linkage IDs (foreign keys into rpkid's database, basicly) in the
+## IRDB. The irbe-setup.py program shows an example of how to do this.
+##
+## irdbd's default %config file is irdbd.conf, start irdbd with "-c
+## filename" to choose a different %config file. All options are in the
+## section "[irdbd]". Certificates, keys, and trust anchors may be in
+## either DER or PEM format.
+##
+## %Config file options:
+##
+## @li @c startup-message
+## String to %log on startup, useful when
+## debugging a collection of irdbd instances at
+## once.
+##
+## @li @c sql-username
+## Username to hand to MySQL when connecting to
+## irdbd's database.
+##
+## @li @c sql-database
+## MySQL's database name for irdbd's database.
+##
+## @li @c sql-password
+## Password to hand to MySQL when connecting to
+## irdbd's database.
+##
+## @li @c cms-ta
+## Name of file containing CMS trust anchor to
+## use when authenticating messages from rpkid.
+##
+## @li @c cms-key
+## Name of file containing RSA key to use when
+## signing CMS messages to rpkid.
+##
+## @li @c cms-cert
+## Name(s) of file(s) containing certificate(s)
+## to include in CMS wrapper when signing
+## messages to rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: cms-cert.0, cms-cert.1, etc.
+##
+## @li @c https-key
+## Name of file containing RSA key to use in the
+## HTTPS server role when listening for
+## connections from rpkid.
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in the HTTPS server role when listening
+## for connections from rpkid. You can specify
+## more than one certificate using OpenSSL-style
+## subscripts: https-cert.0, https-cert.1, etc.
+##
+## @li @c https-url
+## Service URL for irdbd. Must be a %https:// URL.
+##
+##
+## @section irdbd_cli irbe-cli.py
+##
+## irbe-cli is a simple command line client for the control subset of the
+## left-right protocol. In production use this functionality would be
+## part of the IRBE stub.
+##
+## Basic configuration of irbe-cli is handled via a %config file. The
+## specific action or actions to be performed are specified on the
+## command line, and map closely to the left-right protocol itself.
+##
+## At present the user is assumed to be able to read the (XML) left-right
+## protocol messages, and with one exception, no attempt is made to
+## interpret the responses other than to check for errors. The one
+## exception is that, if the @c --pem_out option is specified on the command
+## line, any PKCS \#10 requests received from rpkid will be written in PEM
+## format to that file; this makes it easier to hand these requests off
+## to the business PKI in order to issue signing certs corresponding to
+## newly generated business keys.
+##
+## @verbatim
+## Usage: irbe-cli.py --config= --help --pem_out=
+##
+## parent --action= --type= --tag= --self_id= --parent_id=
+## --bsc_id= --repository_id= --peer_contact_uri=
+## --sia_base= --sender_name= --recipient_name=
+## --cms_ta= --https_ta= --rekey --reissue --revoke
+##
+## repository --action= --type= --tag= --self_id= --repository_id=
+## --bsc_id= --peer_contact_uri= --cms_ta= --https_ta=
+##
+## self --action= --type= --tag= --self_id= --crl_interval=
+## --extension_preference= --rekey --reissue --revoke
+## --run_now --publish_world_now
+## --clear_extension_preferences
+##
+## child --action= --type= --tag= --self_id= --child_id=
+## --bsc_id= --cms_ta= --reissue
+##
+## route_origin --action= --type= --tag= --self_id= --route_origin_id=
+## --as_number= --ipv4= --ipv6= --suppress_publication
+##
+## bsc --action= --type= --tag= --self_id= --bsc_id=
+## --key_type= --hash_alg= --key_length= --signing_cert=
+## --generate_keypair --clear_signing_certs
+## @endverbatim
+##
+## Global options (@c --config, @c --help, @c --pem_out) come first, then zero or
+## more commands (parent, repository, self, child, route_origin, bsc),
+## each followed by its own set of options. The commands map to
+## elements in the left-right protocol, and the command-specific options
+## map to attributes or subelements for those commands.
+##
+## @c --action is one of create, set, get, %list, or destroy; exactly one of
+## these must be specified for each command.
+##
+## @c --type is query or reply; since irbe-cli is a client, query is the
+## default.
+##
+## @c --tag is an optional arbitrary tag (think IMAP) to simplify matching
+## up replies with batched queries.
+##
+## @c --*_id options refer to the primary keys of previously created
+## objects.
+##
+## The remaining options are specific to the particular commands, and
+## follow directly from the left-right protocol specification.
+##
+## A trailing "=" in the above option summary indicates that an option
+## takes a value, eg, "--action create" or "--action=create". Options
+## without a trailing "=" correspond to boolean control attributes.
+##
+## The default %config file for irbe-cli is irbe.conf, start rpkid with
+## "-c filename" (or "--config filename") to choose a different %config
+## file. All options are in the section "[irbe-cli]". Certificates,
+## keys, and trust anchors may be in either DER or PEM format.
+##
+## %Config file options:
+##
+## @li @c cms-ta
+## Name of file containing CMS trust anchor to
+## use when authenticating messages from rpkid.
+##
+## @li @c cms-key
+## Name of file containing RSA key to use when
+## signing CMS messages to rpkid.
+##
+## @li @c cms-cert
+## Name(s) of file(s) containing certificate(s)
+## to include in CMS wrapper when signing
+## messages to rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: cms-cert.0, cms-cert.1, etc.
+##
+## @li @c https-key
+## Name of file containing RSA key to use in the
+## HTTPS client role when contacting rpkid.
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in the HTTPS client role when
+## contacting rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: https-cert.0, https-cert.1,
+## etc.
+##
+## @li @c https-ta
+## Name of file containing trust anchor to use
+## when verifying rpkid's HTTPS server
+## certificate.
+##
+## @li @c https-url
+## Service URL for rpkid. Must be a %https:// URL.
+##
+##
+## @section irbe_setup irbe-setup.py config file
+##
+## The default %config file is irbe.conf, start rpkid with "-c filename"
+## to choose a different %config file. Most options are in the section
+## "[irbe-cli]", but a few are in the section "[irdbd]". Certificates,
+## keys, and trust anchors may be in either DER or PEM format.
+##
+## Options in the "[irbe-cli]" section:
+##
+## @li @c cms-ta
+## Name of file containing CMS trust anchor to
+## use when authenticating messages from rpkid.
+##
+## @li @c cms-key
+## Name of file containing RSA key to use when
+## signing CMS messages to rpkid.
+##
+## @li @c cms-cert
+## Name(s) of file(s) containing certificate(s)
+## to include in CMS wrapper when signing
+## messages to rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: cms-cert.0, cms-cert.1, etc.
+##
+## @li @c https-key
+## Name of file containing RSA key to use in the
+## HTTPS client role when contacting rpkid.
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in the HTTPS client role when
+## contacting rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: https-cert.0, https-cert.1,
+## etc.
+##
+## @li @c https-ta
+## Name of file containing trust anchor to use
+## when verifying rpkid's HTTPS server
+## certificate.
+##
+## @li @c https-url
+## Service URL for rpkid. Must be a %https:// URL.
+##
+## Options in the "[irdbd]" section:
+##
+## @li @c sql-username
+## Username to hand to MySQL when connecting to
+## irdbd's database.
+##
+## @li @c sql-database
+## MySQL's database name for irdbd's database.
+##
+## @li @c sql-password
+## Password to hand to MySQL when connecting to
+## irdbd's database.
+##
+##
+## @section cronjob cronjob.py
+##
+## This is a trivial program to trigger a cron run within rpkid. Once
+## rpkid has been converted to the planned event-driven model, this
+## function will be handled internally, but for now it has to be
+## triggered by an external program. For pseudo-production use one would
+## run this program under the system cron daemon. For scripted testing
+## it happens to be useful to be able to control when cron cycles occur,
+## so at the current stage of code development use of an external trigger
+## is a useful feature.
+##
+## The default %config file is cronjob.conf, start cronjob with "-c
+## filename" to choose a different %config file. All options are in the
+## section "[cronjob]". Certificates, keys, and trust anchors may be in
+## either DER or PEM format.
+##
+## %Config file options:
+##
+## @li @c https-key
+## Name of file containing RSA key to use in the
+## HTTPS client role when contacting rpkid.
+##
+## @li @c https-cert
+## Name(s) of file(s) containing certificate(s)
+## to use in the HTTPS client role when
+## contacting rpkid. You can specify more than
+## one certificate using OpenSSL-style
+## subscripts: https-cert.0, https-cert.1,
+## etc.
+##
+## @li @c https-ta
+## Name of file containing trust anchor to use
+## when verifying rpkid's HTTPS server
+## certificate.
+##
+## @li @c https-url
+## Service URL for rpkid. Must be a %https:// URL.
+##
+##
+## @section testbed testbed.py:
+##
+## testbed is a test harness to set up and run a collection of rpkid and
+## irdbd instances under scripted control. testbed is a very recent
+## addition to the toolset and is still evolving rapidly.
+##
+## Unlike the programs described above, testbed takes two configuration
+## files in different languages. The first configuration file uses the
+## same syntax as the above configuration files but is completely
+## optional. The second configuration file is the test script, which is
+## encoded using the YAML serialization language (see
+## http://www.yaml.org/ for more information on YAML). The YAML script
+## is not optional, as it describes the test layout. testbed is designed
+## to support running a fairly wide set of test configurations as canned
+## scripts without writing any new control code. The intent is to make
+## it possible to write meaningful regression tests.
+##
+## All of the options in in the first (optional) configuration file are
+## just overrides for wired-in default values. In most cases the
+## defaults will suffice, and the set of options is still in flux, so
+## only a few of the options are described here. The default name for
+## this configuration file is testbed.conf, run testbed with "-c
+## filename" to change it.
+##
+## testbed.conf options:
+##
+## testbed_dir: Working directory into which testbed should write the
+## (many) files it generates. Default is "testbed.dir".
+##
+## irdb_db_pass: MySQL password for the "irdb" user. Default is
+## "fnord". You may want to override this.
+##
+## rpki_db_pass: MySQL password for the "rpki" user. Default is
+## "fnord". You may want to override this.
+##
+## rootd_sia: rsync URI naming a (perhaps fictious) directory to use
+## as the id-ad-caRepository SIA value in the generated
+## root resource certificate. Default is
+## "rsync://wombat.invalid/". You may want to override
+## this if you intend to run an rsync server and test
+## against the generated results using rcynic. This
+## default will likely change if and when testbed learns
+## how to run rcynic itself as part of the test suite.
+##
+## The second configuration file is named testbed.yaml by default, run
+## testbed with "-y filename" to change it. The YAML file contains
+## multiple YAML "documents". The first document describes the initial
+## test layout and resource allocations, subsequent documents describe
+## modifications to the initial allocations and other parameters.
+## Resources listed in the initial layout are aggregated automatically,
+## so that a node in the resource hierarchy automatically receives the
+## resources it needs to issue whatever its children are listed as
+## holding. Actions in the subsequent documents are modifications to the
+## current resource set, modifications to validity dates or other
+## non-resource parameters, or special commands like "sleep". The
+## details are still evolving, but here's an example of current usage:
+##
+## @verbatim
+## name: RIR
+## valid_for: 2d
+## sia_base: "rsync://wombat.invalid/"
+## kids:
+## - name: LIR0
+## kids:
+## - name: Alice
+## ipv4: 192.0.2.1-192.0.2.33
+## asn: 64533
+## ---
+## - name: Alice
+## valid_add: 10
+## ---
+## - name: Alice
+## add_as: 33
+## valid_add: 2d
+## ---
+## - name: Alice
+## valid_sub: 2d
+## ---
+## - name: Alice
+## valid_for: 10d
+## @endverbatim
+##
+## This specifies an initial layout consisting of an RPKI engine named
+## "RIR", with one child "LIR0", which in turn has one child "Alice".
+## Alice has a set of assigned resources, and all resources in the system
+## are initially set to be valid for two days from the time at which the
+## test is started. The first subsequent document adds ten seconds to
+## the validity interval for Alice's resources and makes no other
+## modifications. The second subsequent document grants Alice additional
+## resources and adds another two days to the validity interval for
+## Alice's resources. The next document subtracts two days from the
+## validity interval for Alice's resources. The final document sets the
+## validity interval for Alice's resources to ten days.
+##
+## Operators in subsequent (update) documents:
+##
+## add_as, add_v4, add_v6: These add ASN, IPv4, or IPv6
+## resources, respectively.
+##
+## sub_as, sub_v4, sub_v6: These subtract resources.
+##
+## valid_until: Set an absolute expiration date.
+##
+## valid_for: Set a relative expiration date.
+##
+## valid_add, valid_sub: Add to or subtract from validity interval.
+##
+## sleep [interval]: Sleep for specified interval, or until
+## testbed receives a SIGALRM signal.
+##
+## Absolute timestamps should be in the form shown (UTC timestamp format
+## as used in XML).
+##
+## Intervals (valid_add, valid_sub, valid_for, sleep) are either
+## integers, in which case they're interpreted as seconds, or are a
+## string of the form "wD xH yM zS" where w, x, y, and z are integers and
+## D, H, M, and S indicate days, hours, minutes, and seconds. In the
+## latter case all of the fields are optional, but at least one must be
+## specified. For example, "3D4H" means "three days plus four hours".
+##
+##
+## @section testpoke testpoke.py
+##
+## This is a command-line client for the up-down protocol. Unlike all of
+## the above programs, testpoke does not accept a %config file in
+## OpenSSL-compatable format at all. Instead, it is configured
+## exclusively by a YAML script. testpoke's design was constrained by a
+## desire to have it be compatable with APNIC's rpki_poke.pl tool, so
+## that the two tools could use a common configuration language to
+## simplify scripted testing. There are minor variations due to slightly
+## different feature sets, but YAML files intended for one program will
+## usually work with the other.
+##
+## README for APNIC's tool describing the input language can be found at
+## http://mirin.apnic.net/svn/rpki_engine/branches/gary-poker/client/poke/README
+##
+## testpoke.py takes a simplified command line and uses only one YAML
+## input file.
+##
+## @verbatim
+## Usage: python testpoke.py [ { -y | --yaml } configfile ]
+## [ { -r | --request } requestname ]
+## [ { -h | --help } ]
+## @endverbatim
+##
+## Default configuration file is testpoke.yaml, override with --yaml
+## option.
+##
+## The --request option specifies the specific command within the YAML
+## file to execute.
+##
+## Sample configuration file:
+##
+## @verbatim
+## ---
+## # $Id$
+##
+## version: 1
+## posturl: https://localhost:4433/up-down/1
+## recipient-id: wombat
+## sender-id: "1"
+##
+## cms-cert-file: biz-certs/Frank-EE.cer
+## cms-key-file: biz-certs/Frank-EE.key
+## cms-ca-cert-file: biz-certs/Bob-Root.cer
+## cms-cert-chain-file: [ biz-certs/Frank-CA.cer ]
+##
+## ssl-cert-file: biz-certs/Frank-EE.cer
+## ssl-key-file: biz-certs/Frank-EE.key
+## ssl-ca-cert-file: biz-certs/Bob-Root.cer
+##
+## requests:
+## list:
+## type: list
+## issue:
+## type: issue
+## class: 1
+## sia: [ "rsync://bandicoot.invalid/some/where/" ]
+## revoke:
+## type: revoke
+## class: 1
+## ski: "CB5K6APY-4KcGAW9jaK_cVPXKX0"
+## @endverbatim
+##
+## testpoke adds one extension to the language described in APNIC's
+## README: the cms-cert-chain-* and ssl-cert-chain-* options, which allow
+## one to specify a chain of intermediate certificates to be presented in
+## the CMS or TLS protocol. APNIC's initial implementation required
+## direct knowledge of the issuing certificate (ie, it supported a
+## maximum chain length of one); subsequent APNIC code changes have
+## probably relaxed this restriction, and with luck APNIC has copied
+## testpoke's syntax to express chains of intermediate certificates.