Annotation of www/anoncvs.html, Revision 1.10
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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>
1.10 ! millert 62: Host also known as <strong>anoncvs.openbsd.org</strong>,
! 63: <strong>anoncvs@anoncvs1.usa.openbsd.org</strong>,
! 64: <strong>anoncvs@anoncvs4.usa.openbsd.org</strong> and
! 65: <strong>anoncvs2.isc.org</strong>.<br>
! 66: located in California, western USA.<br>
! 67: maintained by <a href=mailto:niklas@openbsd.org>Niklas Hallqvist</a>.<br>
! 68: protocols: ssh only.<br>
1.1 deraadt 69: updated every 4 hours.<br>
70: <p>
71: <li><strong>CVSROOT=anoncvs@anoncvs2.usa.openbsd.org:/cvs</strong><br>
1.5 johns 72: Host also known as <strong>hydra.heuris.com</strong>.<br>
1.4 deraadt 73: located in St. Louis, Missouri, mid-western USA.<br>
1.1 deraadt 74: maintained by <a href=mailto:johns@heuris.com>John Stone</a>.<br>
75: protocols: rsh, ssh, ssh port 2022.<br>
76: updated every 12 hours.<br>
77: <p>
78: <li><strong>CVSROOT=anoncvs@anoncvs3.usa.openbsd.org:/cvs</strong><br>
79: Host also known as <strong>freestuff.cs.colorado.edu</strong>.<br>
80: located at the University of Colorado, Boulder, western USA.<br>
81: maintained by <a href=mailto:Todd.Miller@cs.colorado.edu>Todd Miller</a>.<br>
82: protocols: ssh, ssh port 2022.<br>
83: updated every 6 hours.<br>
84: <p>
85: <li><strong>CVSROOT=anoncvs@anoncvs.uk.openbsd.org:/cvs</strong><br>
86: Host also known as <strong>dumpty.wonderland.org</strong>.<br>
87: located in London, UK.<br>
88: maintained by <a href=mailto:peter@wonderland.org>Peter Galbavy</a>.<br>
89: protocols: rsh.<br>
90: updated every 12 hours.<br>
91: <p>
92: <li><strong>CVSROOT=anoncvs@anoncvs.tw.openbsd.org:/cvs</strong><br>
93: Host also known as <strong>hercules.secc.fju.edu.tw</strong>.<br>
94: located in Taipei, Taiwan.<br>
95: maintained by <a href=mailto:shawn@openbsd.org>Shawn Hsiao</a>.<br>
96: protocols: rsh, ssh, ssh port 2022.<br>
97: updated every 12 hours.<br>
98: <p>
99: <li><strong>CVSROOT=anoncvs@anoncvs.no.openbsd.org:/cvs</strong><br>
100: located in Norway.<br>
101: maintained by <a href=mailto:micheals@openbsd.org>Michael Shuldman</a>.<br>
102: protocols: rsh, ssh, ssh port 2022.<br>
103: updated every 4 hours.<br>
104: </ul>
105: <p>
106: You may want to use `traceroute' to find out which server is nearest you.
107: </dl>
108: </p>
109:
110: <p>
111: <strong>IMPORTANT NOTE:</strong>
112: There are a few issues relating to cryptographic software that everyone
113: should be aware of:
114: <ul>
115: <li>The OpenBSD sources are from Canada.
1.9 deraadt 116: As
117: <a href=http://insight.mcmaster.ca/org/efc/pages/doc/crypto-export.html>
118: researched by a Canadian individual</a>
119: and as
120: <a href=http://axion.physics.ubc.ca/ECL.html>
121: described in the Export Control list of Canada</a>
122: is legal to export crypto software from Canada to the world.
1.1 deraadt 123: <p>
124: <li>However, if you are outside the USA or Canada, you should not
125: fetch the cryptographic sections of the OpenBSD sources from an
126: anoncvs server located in the USA. The files in question are...
127: <ul>
128: <li>src/kerberosIV/*
129: <li>src/lib/libc/crypt/crypt.c
130: <li>src/lib/libc/crypt/morecrypt.c
131: </ul>
132: Because of the USA ITAR munitions list,
133: crypto software may only be exported to Canada from the USA.
134: <p>
135: <li>The OpenBSD project is looking for more anoncvs servers -- read
136: on to find out how you can help.
137: </ul>
138: </p>
139:
140: <p>
141: A sample use of an anoncvs CVS server would be:
142: <pre>
143: % setenv CVSROOT anoncvs@anoncvs.usa.openbsd.org:/cvs
144: % cd /tmp
145: % cvs get src/sys/arch/sparc
146: [copies the files from the repository to your machine]
147: % cvs log src/sys/arch/sparc/sparc/locore.s
148: [shows the commit log for the chosen file ]
149: % cvs diff -bc -r1.1 -r1.5 src/sys/arch/sparc/sparc/locore.s
150: [shows the changes between revisions 1.1 and rev 1.5]
151: </pre>
152: </p>
153:
154: <p>
155: Here is how someone using anoncvs regularily would update his
156: source tree:
157: <pre>
158: # setenv CVSROOT anoncvs@anoncvs.usa.openbsd.org:/cvs
159: # cd /usr
160: # cvs -q get -PA src
161: </pre>
162: or similarily later on he might try
163: <pre>
164: # cd /usr/src
165: # cvs -q up -PAd
166: </pre>
167: Everytime you ran this it would syncronize your /usr/src tree. It would
168: not destroy any of your local changes, rather it would attempt to merge
169: changes in. If you use obj directories (not obj symbolic links) you may
170: wish to append "-I obj" to the cvs command line, this will keep cvs from
171: spitting out a warning about all the obj directories it is going to
172: encounter which are not in the repository.
173: </p>
174:
175: <p>
176: The CVS man page (included with the CVS sources) has much more
177: information about how CVS can be used.
178: </p>
179:
180: <p>
181: The anoncvs service gives fledgling developers a chance to learn CVS
182: operation and get thoroughly involved in the development process
183: before getting "commit" access -- as a result of showing useful
184: skills and high quality results they will naturally later be given
185: developer access. As well, people providing patches can create
186: their "diff"s relative to the CVS tree, which will ease integration.
187: </p>
188:
189: <p>
190: The CVS client uses rsh to talk to the CVS server. If some local
191: security measure like a firewall (or imperfect protocol emulators
192: like slirp) prevents you from using rsh, you may be able to use
193: <a href=http://www.cs.hut.fi/ssh>ssh</a> instead. In this case,
194: one sets the environment variable <strong>CVS_RSH</strong> to point
195: to ssh (typically <strong>/usr/local/bin/ssh</strong>). To reduce the
196: performance hit the anoncvs server would take it is recommended (and
197: requested) that you disable encryption. If your local site prevents
198: you from connecting out to port 22 (which ssh defaults to using) use
199: port 2022.
200: </p>
201:
202: <p>
203: Do not be tempted to turn on compression since CVS already compresses.
204: Use something like the following in your <strong>$HOME/.ssh/config</strong>
1.10 ! millert 205: file. Note that not all anoncvs servers allow ssh connections on
! 206: port 2022.
1.1 deraadt 207: </p>
208: <pre>
209: Host anoncvs.usa.openbsd.org
210: Cipher none
211: Port 2022
212: </pre>
213:
214: <p>
215: CVS is a little noisy starting up; to quiet it a bit you may want to
216: do this:
217: <pre>
218: setenv CVS_CLIENT_PORT -1
219: </pre>
220: </p>
221:
222: <p>
1.8 deraadt 223: If you wish to change from one CVS server to another (say your normal one is
224: down, or for any other reason), the environment variable which will let you
225: do this is
226: <pre>
227: setenv CVS_IGNORE_REMOTE_ROOT
228: </pre>
229: </p>
230:
231: <p>
1.1 deraadt 232: If you wish to be a new anoncvs mirror site, please contact the anoncvs
233: <a href=mailto:deraadt@theos.com>maintainer</a>.
234: Anoncvs mirrors require about 300MB of disk, and use up to 4MB of swap
235: per anoncvs user (assuming the user does a large operation; while smaller
236: operations use fewer resources, anoncvs still makes much more of an
237: impact than ftp or sup). Such anoncvs machines should have excellent
238: network connectivity for the area they are expected to serve. A
239: <a href=anoncvs.shar>document</a>
240: which describes the setup of anoncvs servers is available.
241: </p>
242:
243: </dl>
244:
245: <hr>
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