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Annotation of www/anoncvs.html, Revision 1.7

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1.2       deraadt     4: <title>OpenBSD AnonCVS</title>
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                     10: <meta name="copyright" content="This document copyright 1996 by OpenBSD, Inc.">
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                     14:
                     15: <h1>OpenBSD</h1>
1.6       jkatz      16: <hr>
1.1       deraadt    17: <h3>CVS Access:</h3>
                     18: CVS is used to manage the OpenBSD source tree. This allows
                     19: developers to work on a local source tree and commit their changes when
                     20: ready.  Also <strong>anyone</strong> can edit source files on their
                     21: local machines, and automatically track and merge in any changes made
                     22: in the OpenBSD CVS repository. Additionally they can easily see the
                     23: logs of, check out, or "diff" the source files in the OpenBSD source
                     24: tree.
                     25: </p>
                     26:
                     27: <p>
                     28: Most importantly, the <strong>anoncvs</strong> service does NOT
                     29: delete the changes you make in your local copy of the source tree --
                     30: read on for more details!
                     31: </p>
                     32:
                     33: <p>
                     34: The latest version of CVS is available at
                     35: <a href=ftp://ftp.cyclic.com/pub/cvs/>Cyclic</a>.
                     36: Versions earlier than 1.6 are not recommended, and may not work.
                     37: If you already have OpenBSD installed, CVS is included.
                     38: </p>
                     39:
                     40: <p>
                     41: There are two levels of source tree access:
                     42: </p>
                     43:
                     44: <dl>
                     45: <dt><strong>Read-write access for developers:</strong>
                     46: <dd>Developers who need to commit changes to the source tree must have
                     47: an account on the OpenBSD machines.  Getting this access will be a
                     48: natural result of working on the sources with other OpenBSD developers.
                     49: If someone does some good work and shows they can work with the team,
                     50: they will get an account.
                     51: </dl>
                     52:
                     53: <dl>
                     54: <dt><strong>Read-only access for everyone:</strong>
                     55: <dd>Anyone can access the read-only CVS repositories. These copies
                     56: of the read-write CVS repository are mirrored often. To use one,
                     57: set your <strong>CVSROOT</strong> environment variable to one of
                     58: the following values:
                     59: <ul>
                     60: <p>
                     61: <li><strong>CVSROOT=anoncvs@anoncvs.usa.openbsd.org:/cvs</strong><br>
                     62: Host also known as <strong>anoncvs.openbsd.org</strong> and
                     63: <strong>eap.ccrc.wustl.edu</strong>.<br>
                     64: located at Washington University, St. Louis, mid-west USA.<br>
                     65: maintained by <a href=mailto:chuck@maria.wustl.edu>Chuck Cranor</a>.<br>
                     66: protocols: rsh, ssh, ssh port 2022.<br>
                     67: updated every 4 hours.<br>
                     68: <p>
                     69: <li><strong>CVSROOT=anoncvs@anoncvs2.usa.openbsd.org:/cvs</strong><br>
1.5       johns      70: Host also known as <strong>hydra.heuris.com</strong>.<br>
1.4       deraadt    71: located in St. Louis, Missouri, mid-western USA.<br>
1.1       deraadt    72: maintained by <a href=mailto:johns@heuris.com>John Stone</a>.<br>
                     73: protocols: rsh, ssh, ssh port 2022.<br>
                     74: updated every 12 hours.<br>
                     75: <p>
                     76: <li><strong>CVSROOT=anoncvs@anoncvs3.usa.openbsd.org:/cvs</strong><br>
                     77: Host also known as <strong>freestuff.cs.colorado.edu</strong>.<br>
                     78: located at the University of Colorado, Boulder, western USA.<br>
                     79: maintained by <a href=mailto:Todd.Miller@cs.colorado.edu>Todd Miller</a>.<br>
                     80: protocols: ssh, ssh port 2022.<br>
                     81: updated every 6 hours.<br>
                     82: <p>
1.7     ! deraadt    83: <li><strong>CVSROOT=anoncvs@anoncvs4.usa.openbsd.org:/cvs</strong><br>
        !            84: located in California.<br>
        !            85: maintained by <a href=mailto:niklas@openbsd.org>Niklas Hallqvist</a>.<br>
        !            86: protocols: rsh, ssh, ssh port 2022.<br>
        !            87: updated every 4 hours.<br>
        !            88: <p>
1.1       deraadt    89: <li><strong>CVSROOT=anoncvs@anoncvs.uk.openbsd.org:/cvs</strong><br>
                     90: Host also known as <strong>dumpty.wonderland.org</strong>.<br>
                     91: located in London, UK.<br>
                     92: maintained by <a href=mailto:peter@wonderland.org>Peter Galbavy</a>.<br>
                     93: protocols: rsh.<br>
                     94: updated every 12 hours.<br>
                     95: <p>
                     96: <li><strong>CVSROOT=anoncvs@anoncvs.tw.openbsd.org:/cvs</strong><br>
                     97: Host also known as <strong>hercules.secc.fju.edu.tw</strong>.<br>
                     98: located in Taipei, Taiwan.<br>
                     99: maintained by <a href=mailto:shawn@openbsd.org>Shawn Hsiao</a>.<br>
                    100: protocols: rsh, ssh, ssh port 2022.<br>
                    101: updated every 12 hours.<br>
                    102: <p>
                    103: <li><strong>CVSROOT=anoncvs@anoncvs.no.openbsd.org:/cvs</strong><br>
                    104: located in Norway.<br>
                    105: maintained by <a href=mailto:micheals@openbsd.org>Michael Shuldman</a>.<br>
                    106: protocols: rsh, ssh, ssh port 2022.<br>
                    107: updated every 4 hours.<br>
                    108: </ul>
                    109: <p>
                    110: You may want to use `traceroute' to find out which server is nearest you.
                    111: </dl>
                    112: </p>
                    113:
                    114: <p>
                    115: <strong>IMPORTANT NOTE:</strong>
                    116: There are a few issues relating to cryptographic software that everyone
                    117: should be aware of:
                    118: <ul>
                    119: <li>The OpenBSD sources are from Canada.
                    120: <a href=http://insight.mcmaster.ca/org/efc/pages/doc/crypto-export.html>It
                    121: is legal to export crypto software from Canada to the world.</a>
                    122: <p>
                    123: <li>However, if you are outside the USA or Canada, you should not
                    124: fetch the cryptographic sections of the OpenBSD sources from an
                    125: anoncvs server located in the USA. The files in question are...
                    126: <ul>
                    127: <li>src/kerberosIV/*
                    128: <li>src/lib/libc/crypt/crypt.c
                    129: <li>src/lib/libc/crypt/morecrypt.c
                    130: </ul>
                    131: Because of the USA ITAR munitions list,
                    132: crypto software may only be exported to Canada from the USA.
                    133: <p>
                    134: <li>The OpenBSD project is looking for more anoncvs servers -- read
                    135: on to find out how you can help.
                    136: </ul>
                    137: </p>
                    138:
                    139: <p>
                    140: A sample use of an anoncvs CVS server would be:
                    141: <pre>
                    142: % setenv CVSROOT anoncvs@anoncvs.usa.openbsd.org:/cvs
                    143: % cd /tmp
                    144: % cvs get src/sys/arch/sparc
                    145: [copies the files from the repository to your machine]
                    146: % cvs log src/sys/arch/sparc/sparc/locore.s
                    147: [shows the commit log for the chosen file ]
                    148: % cvs diff -bc -r1.1 -r1.5 src/sys/arch/sparc/sparc/locore.s
                    149: [shows the changes between revisions 1.1 and rev 1.5]
                    150: </pre>
                    151: </p>
                    152:
                    153: <p>
                    154: Here is how someone using anoncvs regularily would update his
                    155: source tree:
                    156: <pre>
                    157: # setenv CVSROOT anoncvs@anoncvs.usa.openbsd.org:/cvs
                    158: # cd /usr
                    159: # cvs -q get -PA src
                    160: </pre>
                    161: or similarily later on he might try
                    162: <pre>
                    163: # cd /usr/src
                    164: # cvs -q up -PAd
                    165: </pre>
                    166: Everytime you ran this it would syncronize your /usr/src tree. It would
                    167: not destroy any of your local changes, rather it would attempt to merge
                    168: changes in. If you use obj directories (not obj symbolic links) you may
                    169: wish to append "-I obj" to the cvs command line, this will keep cvs from
                    170: spitting out a warning about all the obj directories it is going to
                    171: encounter which are not in the repository.
                    172: </p>
                    173:
                    174: <p>
                    175: The CVS man page (included with the CVS sources) has much more
                    176: information about how CVS can be used.
                    177: </p>
                    178:
                    179: <p>
                    180: The anoncvs service gives fledgling developers a chance to learn CVS
                    181: operation and get thoroughly involved in the development process
                    182: before getting "commit" access -- as a result of showing useful
                    183: skills and high quality results they will naturally later be given
                    184: developer access.  As well, people providing patches can create
                    185: their "diff"s relative to the CVS tree, which will ease integration.
                    186: </p>
                    187:
                    188: <p>
                    189: The CVS client uses rsh to talk to the CVS server.  If some local
                    190: security measure like a firewall (or imperfect protocol emulators
                    191: like slirp) prevents you from using rsh, you may be able to use
                    192: <a href=http://www.cs.hut.fi/ssh>ssh</a> instead.  In this case,
                    193: one sets the environment variable <strong>CVS_RSH</strong> to point
                    194: to ssh (typically <strong>/usr/local/bin/ssh</strong>). To reduce the
                    195: performance hit the anoncvs server would take it is recommended (and
                    196: requested) that you disable encryption.  If your local site prevents
                    197: you from connecting out to port 22 (which ssh defaults to using) use
                    198: port 2022.
                    199: </p>
                    200:
                    201: <p>
                    202: Do not be tempted to turn on compression since CVS already compresses.
                    203: Use something like the following in your <strong>$HOME/.ssh/config</strong>
                    204: file.
                    205: </p>
                    206: <pre>
                    207:        Host anoncvs.usa.openbsd.org
                    208:            Cipher none
                    209:            Port 2022
                    210: </pre>
                    211:
                    212: <p>
                    213: CVS is a little noisy starting up; to quiet it a bit you may want to
                    214: do this:
                    215: <pre>
                    216: setenv CVS_CLIENT_PORT -1
                    217: </pre>
                    218: </p>
                    219:
                    220: <p>
                    221: If you wish to be a new anoncvs mirror site, please contact the anoncvs
                    222: <a href=mailto:deraadt@theos.com>maintainer</a>.
                    223: Anoncvs mirrors require about 300MB of disk, and use up to 4MB of swap
                    224: per anoncvs user (assuming the user does a large operation; while smaller
                    225: operations use fewer resources, anoncvs still makes much more of an
                    226: impact than ftp or sup).  Such anoncvs machines should have excellent
                    227: network connectivity for the area they are expected to serve.  A
                    228: <a href=anoncvs.shar>document</a>
                    229: which describes the setup of anoncvs servers is available.
                    230: </p>
                    231:
                    232: </dl>
                    233:
                    234: <hr>
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