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Contents of /nl.nikhef.pdp.fetchcrl/tags/fetch-crl-3.0.16/CHANGES

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Revision 2715 - (show annotations) (download)
Fri Jun 13 15:13:13 2014 UTC (7 years, 5 months ago) by davidg
Original Path: nl.nikhef.pdp.fetchcrl/trunk/CHANGES
File size: 17700 byte(s)
Empty trust anchor dir is now a warning, not an error

1 ==============================================================================
2 CHANGES to fetch-crl - the Certificate Revocation List retrieval tool
3 ==============================================================================
4 The fetch-crl utility will retrieve certificate revocation lists (CRLs) for
5 a set of installed trust anchors, based on crl_url files or IGTF-style info
6 files. It will install these for use with OpenSSL, NSS or third-party tools.
7
8 Changes in 3.0.14-1
9 ----------------------
10 * Requesting CRL retrieval for an empty trust anchor store is now a warning
11 and no longer an error
12
13 Changes in 3.0.13-1
14 ----------------------
15 * Supplied system init script for boot phase will not re-run inadvertently
16 * Add rcmode config option (added differentiated reporting and success-on-
17 solely-retrieval-errors)
18 * Add --define key=val command line argument to augment configuration data
19 * Setting FETCHCRL_OPTIONS in /etc/sysconfig/fetch-crl will add these
20 options to the commandline of fetch-crl on start from cron or at boot time
21 Setting FETCHCRL_BOOT_OPTIONS adds them to the boot init script only
22 (e.g. FETCHCRLBOOTOPTIONS="--define rcmode=differentiated")
23 and FETCHCRL_CRON_OPTIONS does the same only for the cron job script
24
25 Changes in 3.0.12-1
26 ----------------------
27 * PEM formatted CRLs now always include a final newline character (fix
28 provided by Harald Barth <haba@kth.se>)
29
30 Changes in 3.0.11-1
31 ----------------------
32 * Added reference to /etc/fetch-crl.d/ to the man page, used shortened URL
33 to full documentation in man page
34 * Added version information to help output and added -V option
35 * Added a dangerous clean-crl script to remove stale .r* files (beware!)
36
37 Changes in 3.0.10-1
38 ----------------------
39 * Added a "noquiet" option in the configuration file that will override
40 the default single "-q" option in the cro-job that is shipped with
41 the fetch-crl3 init scripts (feature request by Ryan Taylor)
42 * Added option "--inet6glue" and "inet6glue" config setting to load
43 the Net::INET6Glue perl module (if it is available) to use IPv6
44 connections in LWP to download CRLs
45
46 Changes in 3.0.8-1
47 ----------------------
48 * Trust anchor name inferrence based on retrieved-CRL added as option (at cost
49 of retrieving CRL even if there is no accompanying trust anchor found later)
50 Option is disabled by default, but can be enabled by using @HASH@ in the
51 ca-template name list. (feature request by Rob van der Wal, SARA, NL)
52
53 Changes in 3.0.7-1
54 ----------------------
55 * CRL modofication time heuristic inadvertently modified file name templates
56 (solves issue kindly reported by Elan Ruusamae)
57 * Expanded representation of tokenisation characters in strings to work
58 around bug in file(1) (rhbz#699546, works around RedHat Bugzilla 699548)
59
60 Changes in 3.0.6-1
61 ----------------------
62 * Response parsing disabled to suppress superfluous warning on unexpected
63 UTF-8 respons when retrieving a CRL (solves RedHat Bugzilla 688902)
64
65 Changes in 3.0.5-1
66 ----------------------
67 * CRLs for multiple similarly-named trust anchors might not all be downloaded.
68 This is fixed in this release.
69 * Spurious "restoreLogMode" internal errors are no longer raised
70
71 Changes in 3.0.4-1
72 ----------------------
73 * Add support for directory based drop-in configuration in /etc/fetch-crl.d/
74 * Only use cached CRL contents if the nextUpdate time of the cached CRL is
75 still in the future. This will ensure that a new download is attempted
76 each and everytime for CRLs that have already expired.
77
78 Changes in 3.0.3-1
79 ----------------------
80 * Clean up of man page format macro PU (reported by Mattias Ellert)
81
82 Changes in 3.0.2-1
83 ----------------------
84 * Clean up of man page format macro PU (reported by Mattias Ellert)
85
86 Changes in 3.0.1-1
87 ----------------------
88 * hunts through more places to find the latest successful CRL download to
89 set the latest local modification time for a CRL
90 (resolves a comparison error in case output and infodir are unset)
91
92 Changes in 3.0.0-0.RC4
93 ----------------------
94 * the config file name has changed to fetch-crl.conf, although a
95 fetch-crl.cnf file will also be used when present
96 * symlinked meta-data files can be ignored with the --nosymlinks option
97 (or nosymlinks in the configuration file). This allows fetch-crl to be
98 used effectively with new-format IGTF distribution before 1.37
99 * infinite loop for non-indexed CA file names fixed
100
101 Changes in fetch-crl 3.0
102 ------------------------
103 * fetch-crl 3.0 is a complete re-write, and shares no code with the 1.x and
104 2.x series utility of the same name, although the function and some of
105 the syntax is obviously the same
106
107 * support for multiple output formats: OpenSSL 1 in dual-hash mode, specific
108 DER and PEM outputs, and NSS databases
109 * support for multiple CRLs for a single CA, allowing more than one CA with
110 the same subject name but different CLRs. Review your client software to see
111 if and how these CRLs are used.
112 * stateful retrieval helps reduce bandwidth usage by caching the CRLs locally
113 and respecting the Cache Control headers sent by the web server hosting the
114 CRL. This can reduce the number of downloads
115 * support for HEAD-only requests when state preservation is used (initially
116 only retrieve HTTP headers, and only if the CRL actually changed to a full
117 download)
118 * support for more CRL retrieval protocols (file:// and ftp://)
119 * ability to try site-local URLs first, before relying on the URLs shipped with
120 the trust anchor. This allows building an explicit local caching (web) server.
121 * ability to specify additional URLs to try in case the URLs shipped with the
122 trust anchor were not responsive. This allows for automatic fall-back to
123 (local or global) mirror services for CRL downloads
124 * warnings and errors can be suppressed on a per-trust anchor basis, to allow
125 silencing for particularly unstable trust anchors
126 * aging tolerance (the delay time before errors are generated in case downloads
127 consistently fail) can be configured on a per-trust anchor basis
128 * parallel downloading for multiple trust anchors
129 * minimized use of temporary files in the file system (now limited to the
130 invocation of OpenSSL only, and only for brief periods of time)
131 * dependencies on wget, lynx and other unix utilities have been removed
132 * explicit web proxy support (using LWP http proxies)
133 * completely re-written in perl, with some (hopefully minimal) dependencies:
134 LWP, Sys::Syslog, POSIX. And Data::Dumper (when debugging is enabled),
135 and IO::Select (if parallel downloads are enabled).
136
137 Differences with respect to the previous versions
138
139 * when downloading CRLs via https, the server certificate is not checked,
140 neither for the correct DNS name nor for being issued by a valid CA. Since
141 the CRL in itself is signed, this is not a security vulnerability. If
142 stricter checking is anyway desired, and the Crypt::SSLeay perl module has
143 been installed, set the HTTPS_CA_FILE environment variable before invoking
144 fetch-crl -- but keep in mind that the DNS name verification is limited
145 and will (incorrectly) reject DNS names if these are listed only in the
146 subjectAlternativeName of the server certificate
147 * Existing files with a name that matches a CRL target name are overwritten,
148 even if they did not originally contain CRL data. In v2 this was configurable
149 via the FORCE_OVERWRITE configuration setting. In version 3, files are
150 overwritten by default, and this can no longer be configured.
151 * fetch-crl3 will no longer check CA certificates for consistency or validity
152 by themselves, only retrieved CRLs are verified
153
154 Downsides of the new version
155
156 * it requires perl5 to be installed (tested with perl 5.8.0 and higher) with
157 libwww-perl, whereas version 2 only required a traditional Bourne shell
158 * requires a version of OpenSSL (0.9.5a or better) to be installed. Needs
159 OpenSSL 1.0.0 (at least beta5) for dual-hash support.
160 * when using parallel downloads, it can only run on pure-POSIX systems
161 * parallelism in combination with the NSS database output format is not tested
162 * Even when only the NSS database output format has been selected, OpenSSL is
163 still needed for verification and processing
164
165
166 ==============================================================================
167
168 The change log below applies to the 1.x and 2.x series fetch-crl and is
169 included for historical purposes only. Fetch-crl3, with which this
170 changes file is being shipped, is a complete re-write of the utility.
171 Although a lot of backwards compatibility has been preserves, there have
172 been significant changes and the information below should NOT be used
173 to infer any behaviour of fetch-crl3.
174
175 Fetch-crl 1.x and 2.x were released under the EU DataGrid License.
176
177 Changes in version EGP 2.8.5
178 ----------------------------
179 (2010.06.03)
180
181 * fetch-crl was occasionally leaving behind {hash}.r0.XXXXXX.r0 files
182 This has been fixed in this release (patch thanks to Jason Smith, BNL)
183 * man page was not compliant to Debian guidelines, this has been fixed
184 (patch thanks to Mattias Ellert, Uppsala University)
185
186 Changes in version EGP 2.8.4
187 ----------------------------
188 (2010.04.04)
189
190 * Fixes error when randomWait is not set [RH Bug 579488]
191
192 Changes in version EGP 2.8.3
193 ----------------------------
194 (2010.03.28)
195
196 * Preserve SELinux context for CRL files if SElinux status program exists
197 and selinux is enabled (RH bug 577403)
198 * Fix argument parsing on syslog facility specification (RH bug 577387)
199 * Increase granularity of the RandomWait and allow for 0 in -r option
200
201 Changes in version EGP 2.8.2
202 ----------------------------
203 (2010.03.03)
204
205 * Improved support for multiple CRL URLs by downloading until a success
206 is achieved, instead of downloading all of them
207 * Imported randomwait patch from Steve Traylen
208
209 Changes in version EGP 2.8.1
210 ----------------------------
211 (2010.01.26)
212
213 * The installed CRL file is re-checked for validity to catch file system
214 errors and local disk corruption. When possible, it will try to restore
215 a backup copy. Failures are not subject to aging tolerance.
216
217 Changes in version EGP 2.8.0
218 ----------------------------
219 (2009.09.22)
220
221 * The RPM packaging has been overhauled and is now sufficiently conformant
222 to EPEL and FedoraProject guidelines.
223 * New init scripts and a cron job entry have been added to allow management
224 of fetch-crl via the chkconfig mechanism
225
226 These changes were contributed by Steve Traylen (CERN, Geneva, CH).
227
228 Changes in version EGP 2.7.0
229 ----------------------------
230 (2009.01.25)
231
232 * Warnings and errors are now counted. If there are errors in the download
233 or verification process for one or more CRLs, the exit status will be 1;
234 if there are errors in the local setup or in the script invocation, the
235 exit status will be 2.
236 * The installed CRLs no longer have the textual representation of the CRL,
237 but only the PEM data blob, thus reducing IO and memory requirements.
238 * the CRL aging threshold is now set by default to 24 hours. The previous
239 default was 0. The CRL aging threshold is set in the config file using
240 CRL_AGING_THRESHOLD=<xx>, or with the "-a" command-line argument.
241 * Default network timeouts reduced to 10 seconds (was 30) and retries to 2
242 * Added caching and conditional downloading. When CACHEDIR is set, the
243 original downloads are preserved and wget timestamping mode enabled.
244 When the content did not change, only the timestamp on the installed
245 CRL is updated. If SLOPPYCRLHASHES is set, the has is calculated based
246 on the name of the crl_url file, otherwise it is taken from the CRL itself.
247 - The CACHEDIR must be exclusively writable by the user running fetch-crl
248 - Setting CACHEDIR significantly reduced the bandwidth used by fetch-crl
249 * Added RESETPATHMODE setting in sysconfig. It defines whether or not to
250 set re-set $PATH to "/bin:/usr/bin" before start. The search for OpenSSL
251 may be done based on the old path.
252 yes=always replace; searchopenssl=search for openssl first and then reset;
253 no=keep original path, whatever that me be (may be empty if called from cron)
254 Default="yes". This replaces the hard-coded path in the tool!
255 * Hidden "FORCE_OVERWRITE" option now has a regular name. This is backwards-
256 compatible. Set FORCE_OVERWRITE=yes if you want files overwritten that
257 have a CRL-like name and ought to have CRL content, but currently do not.
258 * Addresses gLite Savannah bugs 28418 and 29559. Bug 27023 is partially
259 addressed. Bug 20062 can be remedied with WGET_OPTS arguments.
260 Addresses OSG ticket 4673.
261
262 Changes in version EGP 2.6.6
263 ----------------------------
264 (2007.09.16)
265 (version 2.5.5 is invalid and was not publicly released)
266
267 * Added obscure configuration parameter to allow overwriting of
268 arbitrary data files with a downloaded CRL (on request of
269 CERN, see https://savannah.cern.ch/bugs/index.php?29559)
270
271 Changes in version EGP 2.6.4
272 ----------------------------
273 (2007.08.15)
274
275 * Expired CA issuer certificate now gives a warning instead of an error
276 with the full verification result message
277 * additional logfile output target can be selected via the configuration file
278 * CRL aging threshold documented in manual page. Errors will now also be
279 generated in the CRL download failed consistently and the current CRL
280 has already expired
281
282 Changes in version EGP 2.6.3
283 ----------------------------
284 (2006.11.13)
285
286 * cron job example: fetch-crl invocation syntax error corrected
287
288 Changes in version EGP 2.6.2
289 ----------------------------
290 (2006.10.27)
291
292 * fixed bug: older wget versions do not recognise --no-check-certificate
293
294 Changes in version EGP 2.6.1
295 ----------------------------
296 (2006.10.25)
297
298 * fixed local timezone vs UTC error in LastUpdate CRL validation comparison
299 * fixed time comparison is the one-hour LastUpdate/download tolerance
300 (both fixes thanks to Alain Roy)
301 * added support for directory names containing whitespace
302 * added support for syslog reporting (via -f option or SYSLOGFACILITY directive)
303 * SERVERCERTCHECK=no is now the default. It can be reset via the configuration
304 file, or using the "--check-server-certificate" commandline option
305 * the main configuration file location (formerly fixed to be
306 /etc/sysconfig/fetch-crl) can now be set via the variable $FETCH_CRL_SYSCONFIG
307 * logfile format timestamp and tag have been normalised
308
309 Changes in version EGP 2.6
310 --------------------------
311 (2006.05.20)
312
313 * if the current local CRL has a lastUpdate time in the future, and the
314 newly downloaded CRL is older that the current one, allow the installation
315 of the newly downloaded CRL and issue a warning.
316 * added non-suppressable warning in case the newly downloaded CRL has a
317 lastUpdate time in the future, but install that CRL anyway (as the local
318 clock might have been wrong).
319
320 Changes in version EGP 2.5
321 --------------------------
322 (2006.01.16)
323
324 * added additional configuration arguments and configuration variables
325 to skip the server certificate check in wget
326 (to support https:// URLs where the server is authenticated with
327 a certificate that is not part of it's own trusted domain, such as
328 the KISTI URL)
329
330 Changes in version EGP 2.4
331 --------------------------
332 (2005.11.15)
333
334 * for those platforms that support the stat(1) command, and in case the
335 .crl_url file is named after the hash of the crl subject name to download,
336 error eporting for individual download errors can be suppressed for
337 a configurable amount of time as set via the "-a" option (unit: hours).
338
339 Changes in version EGP 2.3
340 --------------------------
341 (2005.11.05)
342
343 * do not replace recent CRLs with ones that have an older lastUpdate
344 timestamp (prevents ARP/DNS DoS attacks)
345
346 Changes in version EGP 2.2
347 --------------------------
348 (2005.10.27)
349
350 * secure http download by wget recognise the CAs in the trusted directory.
351 solves the issue described in the LCG bug tracking system
352 https://savannah.cern.ch/bugs/index.php?func=detailitem&item_id=12182
353
354 Changes in version EGP 2.1
355 --------------------------
356 (2005.08.12)
357 * specifically look for the most recent version of OpenSSL. The
358 one in GLOBUS_LOCATION (which used to take precedence in the
359 previous releases) is outdated in many cases and caused
360 troubles on the LCG production systems in validating v2 CRLs
361 * added manual page fetch-crl(8)
362
363 Changes in version EGP 2.0
364 --------------------------
365 (2005.02.28)
366 * name of the installed script changed to "fetch-crl"
367 * the cronjob script is no longer installed by default, but supplied
368 as an example in the %doc directory
369 * RPM is now relocatable (default install in /usr)
370 * READMA and CHANGES file now inclued in %doc tree
371 * make install now installs
372 * version increased to 2.0
373
374 Changes in version EGP 1.9
375 --------------------------
376 (2005.02.24)
377 * the content of the final target CRL file is now checked for
378 containing a valid CRL if it already exists. If it does not
379 contain a CRL, an error is displayed and the file left untouched
380 So making the final ".r0" file in ${outdir} a link to something else
381 will not work, preventing an escalation in the final stage.
382
383 Changes in version EGP 1.8
384 --------------------------
385 (changes from Fabio's version 1.7, 2005.02.24)
386
387 * All temporary files (the initial CRL download using wget
388 and the PEM-converted version of that file) are now created using
389 mktemp
390 * the RetrieveFileByURL function will not overwrite files that
391 have any data in them
392 * Note that the script can be run by a non-priviledged user, but
393 that the output directory must be made writable by that user
394 in an out-of-band way.
395
396 EDG version 1.7
397 ---------------
398 Imported with consent of Fabio Hernandez and Steve Traylen from
399 the original EDG repository.
400 The EU DataGrid License applies, see http://www.eu-datagrid.org/

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