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Total Committers: 28
Last Commit: 26 Apr
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Total Lines of Code (LoC): 42
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Monday 07 Nov 2022
2:34 pm

gustafn

new API call util::potentially_unsafe_eval_p

Check content of the string to identify potentially unsafe content

in the provided string. The content is unsafe, when it contains

externally provided content, which might be provided e.g. via

query variables, or via user values stored in the database. When

such content contains square braces, a "subst" command on

theses can evaluate arbitrary commands, which is dangerous.

The new API call is used in "::xo::Package->return_page", where the

"subst" command stripped from its command substitution capabilities.

In case, command subsitution is needed, perform this prior this call.

bumped acs-tcl to 5.10.1d23

bumped xotcl-core to 5.10.1d13

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Friday 26 Aug 2022
2:06 pm

antoniop

tmpfile page contract filter reform:

do not allow acs-subsite TmpDir parameter to define where the tmpfolder is located anymore. This MUST be the one configured in the server-wide configuration. Tmpfiles cannot be in a subfolder of the tmpfolder, they MUST be direct children instead. A tmpfile MUST exist beforehand and be owned, be readable and writable by the user running the nsd process. This complies with the definition of a tmpfile by AolServer/NaviServer when they are created to store content coming from a file upload.

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Thursday 25 Aug 2022
2:37 pm

antoniop

Add must_exist flag to enforce a safe tmpfile to already exist

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1:25 pm

antoniop

Introduce security::safe_tmpfile_p checking whether a file belongs to the configured tmpfolder and respects other constraints

The plan is to use it to improve input validations

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Thursday 11 Aug 2022
3:49 pm

gustafn

Generalized "version_dir" handling a little for download specs

The problem was that bootstrap5 uses a version directory, which

consists of the version plus an extra string element. The previous

version assumed that the version is always used as a directory name.

Whe track now the versionDir information in the resource_info dict and

use this, when available (otherwise the version number is used as before).

The resource_info dict contains now the following path components:

# Provide paths for loading either via /resources/ or CDN

#

# "resourceDir" is the absolute path in the filesystem

# "resourceUrl" is the URL path provided to the request processor

# "versionDir" is the version-specific element both in the

# URL and in the filesystem.

#

bumped acs-tcl to 5.10.1d19

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Friday 15 Jul 2022
4:11 pm

antoniop

Update italian localization

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Thursday 14 Jul 2022
7:01 pm

antoniop

Add missing message key

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7:00 pm

antoniop

Export message keys from the UI to normalize sorting and quoting

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Wednesday 13 Jul 2022
2:10 pm

antoniop

Fix array format in message keys

See acs-lang.message__format automated test, where the expected behavior of lang::message::format is documented

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Sunday 24 Apr 2022
2:08 pm

gustafn

bump version number to 5.10.1d14

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Friday 01 Apr 2022
3:54 pm

gustafn

new API call ::security::csp::add_static_resource_header

The API call set the CSP rule on the current connection for a static

resource depending on the MIME type.

# Sample definition for custom CSP rules for static files in the

# OpenACS configuration file.

#

# ns_section ns/server/$server/acs {

# ...

# ns_param StaticCSP {

# image/svg+xml "script-src 'none'"

# }

# ...

# }

bump version number of acs-tcl to 5.10.1d13

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Thursday 03 Mar 2022
7:40 pm

gustafn

Support specification of allowed tags/attributes/protocols via global package parameters.

This change makes it possible to define for a package values for

AllowedTags, AllowedAttributes, or AllowedProtocols. If (some of)

these exist, use these for configuring "ad_html_security_check". If +

not, fall back to the default (site wide) definition.

This change is fully backward compatible and effects on sites defining

such global parameters. This change was induced by the need of large

sites, where it is not feasible to set these parameters on the package

instance level, since this site has 830000 packages instances.

Bump version number to 5.10.1d19

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Wednesday 23 Feb 2022
3:18 pm

gustafn

make sure, the dependencies are aligned (drop of xo::site_node)

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Sunday 20 Feb 2022
8:45 pm

gustafn

Added new interface for calling database functions

This is tested for PostgreSQL and Oracle and the drivers nsdb and nsdbi.

For details, see https://openacs.org/xowiki/calling-database-functions

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Friday 18 Feb 2022
1:37 pm

gustafn

util::file_content_check: new utility for checking content of a file

Check whether the provided file is of the requested type.

This function is more robust and protable than relying on

external programs and their output, but it does not work on

all possible file types. It checks a few common cases that

could lead to problems otherwise, like when uploading archives.

Bump version to 5.10.1d9

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Saturday 08 Jan 2022
4:37 pm

gustafn

Extended LockfreeCache:

- Feneralized flag "-no_empty" of "LockfreeCache eval" to "-no_cache LIST"

The provided list can contain multiple values that should not be cached.

- The new parameter "-from_cache_indicator" can be used to return information

whether the returned value was returned from the cache or not.

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Wednesday 05 Jan 2022
3:10 pm

gustafn

use ns_baseunit for time span calculation

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Sunday 05 Dec 2021
4:43 pm

gustafn

Bump version number to 5.10.1d6 to reload message keys

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Friday 29 Oct 2021
12:35 pm

gustafn

added support for "ns_trim -prefix".

The command is predefined in NaviServer; if not available, a comatibility version is added.

This change also mitigates a potential memory-leak problem in nsv_dict with certain

versions of NaviServer which might lead on busy sites to problems.

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Monday 04 Oct 2021
11:37 am

gustafn

Improving ad_parameter_cache:

- added handling of cachingmode "none"

- added implementation via "nsv_dict" (cluster aware)

- execute parameter callbacks cluster-wide

- version number bumped to 5.10.1d4

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Friday 01 Oct 2021
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

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

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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Monday 30 Aug 2021
3:18 pm

antoniop

Update italian localization

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Tuesday 24 Aug 2021
2:56 pm

hectorr

Update es_ES translation

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Thursday 01 Jul 2021
3:52 pm

hectorr

Add the 'relative' flag to 'util_url_valid_p', to check also relative URLs. Extend 'acs_tcl__util_url_valid_p' test case and bump package version.

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Sunday 23 May 2021
7:56 pm

gustafn

Added page_contract filter "object_id"

This change adds the page_contract filter "object_id", which validates

values whether these are syntactically acceptable as object_ids in

PostgreSQL and Oracle.

Note that before one is able to use the filter, the server has to be

restarted. Otherwise, when e.g. "apm/version_reload.tcl" would be

executed with the new filter, it would fail. So, one has to be careful

on update scripts, when people upgrade from old version not to create

a blocking mutual blocking condition.

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