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Total Committers: 58
Last Commit: 17 Dec
Commits this week: 0
Total Lines of Code (LoC): 90,115
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Monday 11 Oct 2021
10:11 pm

gustafn

Refactored and streamlined of cluster infrastructure

- base the API new new cluster infrastructure (including memoize-flush, server_cluster_peer_hosts, etc.)

- improved handling for multiple IP addresses and IPv6

- removed assumptions of local vs. global network drivers

- server_cluster_httpget_from_peers not used anymore

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Sunday 03 Oct 2021
8:20 pm

gustafn

improve spelling in .info files

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8:14 pm

gustafn

fix typo

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8:13 pm

gustafn

added support for SCRYPT (RFC 7914) as password hash function.

The use of scrypt requires NaviServer compiled with OpenSSL 3.0 or newer

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Friday 01 Oct 2021
9:30 am

gustafn

file upgrade-5.10.1d2-5.10.1d3.sql was initially added on branch oacs-5-10.

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9:30 am

gustafn

stick to the original names with the "-" since this is also the naming convention outside of OpenACS (e.g. "scram-sha-256")

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Wednesday 29 Sep 2021
2:09 pm

antoniop

file upgrade-5.10.1d1-5.10.1d2.sql was initially added on branch oacs-5-10.

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2:09 pm

antoniop

Complete reform introduced in https://cvs.openacs.org/changelog/OpenACS?cs=oacs-5-10%3Agustafn%3A20210928124647

- add datamodel change to the creation script

- refactor algorithm names in a way that the new procs will comply with acs-tcl.naming__proc_naming automated test

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Tuesday 28 Sep 2021
2:46 pm

gustafn

file upgrade-5.10.0-5.10.1d1.sql was initially added on branch oacs-5-10.

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2:46 pm

gustafn

Stronger password hashes for OpenACS

This change introduces the possibility to use either the classical

OpenACS password hash algorithm "salted-sha1" or the SCRAM passord

function "scram-sha-256". The latter can be used by (a) using the

most recent version of NaviServer (from Sept 28, 2021 or newer) and

(b) by configuring the password hash preferences via Kernel package

parameter "PasswordHashAlgorithm". The package parameter can contain a

list of multiple hash algorithms in preference order. The most

preferred available algorithm is chosen.

By default, the "PasswordHashAlgorithm" is "salted-sha1", and the

behavior is as before. After upgrading to the new version of acs-tcl

and acs-kernel, the preference list can be configured. When a user

logs in and the preferred available algorithm is different from the

previously used algorithm, the upgrade is performed for the user

automatically.

The usage of SHA1 in OpenACS is easily target of security audits (see

[1]). The biggest danger is that if somebody gets full access to the

"users" table (e.g. when decommissioning a hard disk). In this case

the hashes can be attacked with dictionaries by using some crypto

hardware (when someone gets raw access to the DB, one has usually some

other big problems). However, by using the "scram-sha-256" hash

function this danger is substantially reduced. This function computes

a password hash using PBKDF2 (Password-Based Key Derivation Function

2). This function is used to reduce vulnerabilities of brute-force

attacks against password hashes. The hash function of SCRAM is PBKDF2

[RFC2898] with HMAC as the pseudorandom function (PRF) and with dkLen

== output length of HMAC == output length of the digest function. So,

it uses a better hash algorithm (sha-256 vs. sha1) and applies this a

high number of times (15K times for a password hash computation).

NaviServer supports as well the even better SCRYPT algorithm, but this

is only available when NaviServer is compiled with OpenSSL 3.0 or

newer. On the contrary, scram-sha-256 (actually PKCS5_PBKDF2_HMAC) is

available since OpenSSL 1.0.0 (2015).

All the improved hash functions require NaviServer with its tight

integration to the crypto functions of OpenSSL.

[1] https://openacs.org/forums/message-view?message_id=5522562

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Thursday 16 Sep 2021
10:27 am

gustafn

fix release dates in .info files

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Wednesday 15 Sep 2021
6:11 pm

gustafn

release work

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Thursday 02 Sep 2021
7:22 pm

gustafn

bump version numbers of 5.9|5.10 packages to 5.10.0b1

adjust dependencies

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Thursday 26 Aug 2021
2:00 pm

hectorr

Declare test as production_safe

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Wednesday 25 Aug 2021
4:12 pm

antoniop

New automated test checking that the latest startup seqence was completed without errors

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    ./tcl/test/acs-kernel-procs.tcl
4:12 pm

antoniop

file acs-kernel-procs.tcl was initially added on branch oacs-5-10.

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Monday 05 Jul 2021
1:30 pm

antoniop

file upgrade-5.10.0d32-5.10.0d33.sql was initially added on branch oacs-5-10.

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1:30 pm

antoniop

As we now enforce emails to be lowercase, also sanitize existing data

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Wednesday 24 Mar 2021
6:00 pm

gernst

Added constraint site_nodes_parent_id_ck to table "site_nodes" to avoid certain simple loops on parent_ids

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6:00 pm

gernst

file upgrade-5.10.0d31-5.10.0d32.sql was initially added on branch oacs-5-10.

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11:16 am

gustafn

added oracle upgrade scripts for new check constraints

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11:16 am

gustafn

file upgrade-5.10.0d30-5.10.0d31.sql was initially added on branch oacs-5-10.

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10:51 am

gustafn

added constraint acs_objects_context_id_ck to avoid certain simple loops on context_ids

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10:51 am

gustafn

file upgrade-5.10.0d30-5.10.0d31.sql was initially added on branch oacs-5-10.

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Tuesday 05 Jan 2021
9:51 am

gustafn

add explicit cast to all max_n_rels with value null to increase readability and to ease function disambiguation

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Wednesday 22 Jul 2020
2:16 pm

hectorr

file upgrade-5.10.0d29-5.10.0d30.sql was initially added on branch oacs-5-10.

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2:16 pm

hectorr

Fix attribute datatype discrepancy

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Monday 11 May 2020
9:10 pm

gustafn

white-space changes

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9:09 pm

gustafn

add as well support for schema name to util__table_column_exists and util__view_exists

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8:51 pm

gustafn

address issue #3436: support for schema name in util__table_exists

TODO: Oracle version is missing

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