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git, Apache/httpd and LDAP - git client unable to access (error 500)

Added by Eduardo Lúcio Amorim Costa over 4 years ago

After the last CentOS 7's update we started to have the problems below when trying to clone a git repository.

NOTE: The infrastructure was built using LDAP, Redmine, grack and git.

Problem observed in the git client...

[some_user@some_user-pc ~]$ git clone http://some_url.foo/some_repo.git
Cloning into 'some_repo'...
Username for 'http://some_url.foo': some_git_user
Password for 'http://some_git_user@some_url.foo': 
fatal: unable to access 'http://some_url.foo/some_repo.git/': The requested URL returned error: 500

Problem observed on httpd/git server...

[root@hostname ~]# less +F /var/log/httpd/error_log
[...]
[Wed Jun 03 17:38:49.745122 2020] [authn_core:error] [pid 14382] [client 10.2.0.10:57884] AH01796: AuthType Basic configured without corresponding module
[...]

Apache/httpd configuration (Apache/httpd -> redmine -> crack -> git)...

[root@hostname ~]# cat /etc/httpd/conf.d/git.conf
<VirtualHost *:81>
    ServerName localhost.localdomain
    DocumentRoot /home/redmine/grack/public
    PerlLoadModule Apache::Redmine
    PerlLoadModule Authen::Simple::LDAP
    <Directory /home/redmine/grack/public>
        Options None
        AllowOverride None
        Require all granted
    </Directory>
    <Location "/">
        AuthType Basic
        AuthName "Redmine git repositories" 
        AuthUserFile /dev/null
        AuthBasicAuthoritative off
        Require valid-user
        PerlAccessHandler Apache::Authn::Redmine::access_handler
        PerlAuthenHandler Apache::Authn::Redmine::authen_handler
        RedmineDSN "DBI:Pg:database=redmine;host=localhost;port=5432" 
        RedmineDbUser "redmine" 
        RedmineDbPass "brlight" 
        RedmineGitSmartHttp yes
    </Location>
</VirtualHost>

We are having serious difficulties in diagnosing the problem that is occurring, because the only error output we have is the one displayed in the "error_log".

This error seems strange to us because the module "mod_auth_basic.so" is being loaded and present in CentOS 7...

[root@hostname ~]# cat /etc/httpd/conf.modules.d/00-base.conf
[...]
LoadModule auth_basic_module modules/mod_auth_basic.so
[...]

What is going on?

NOTE: Some sources report that this may be occurring due an update from Apache/httpd 2.2 to 2.4.

Thank you! =D

Ruby implementation and version, rails version, operating system, database used (and its version), ruby-aware server, etc...

[redmine@redmine ~]$ ruby -v
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
[redmine@redmine ~]$ rails --version
[...]
Rails 4.2.6
[root@redmine ~]# cat /etc/*-release
CentOS Linux release 7.8.2003 (Core)
NAME="CentOS Linux" 
VERSION="7 (Core)" 
ID="centos" 
ID_LIKE="rhel fedora" 
VERSION_ID="7" 
PRETTY_NAME="CentOS Linux 7 (Core)" 
ANSI_COLOR="0;31" 
CPE_NAME="cpe:/o:centos:centos:7" 
HOME_URL="https://www.centos.org/" 
BUG_REPORT_URL="https://bugs.centos.org/" 

CENTOS_MANTISBT_PROJECT="CentOS-7" 
CENTOS_MANTISBT_PROJECT_VERSION="7" 
REDHAT_SUPPORT_PRODUCT="centos" 
REDHAT_SUPPORT_PRODUCT_VERSION="7" 

CentOS Linux release 7.8.2003 (Core)
CentOS Linux release 7.8.2003 (Core)
[root@redmine ~]# /usr/pgsql-10/bin/postgres --version
postgres (PostgreSQL) 10.13

Ruby-aware Server: Webrick
Redmine Version: 3.3.0