Bug#1071596: apache2: envvars evaluates string in conditional instead of testing for empty string
Weird. I'll have to reinstall apache2. Maybe I edited it long ago to
debug it, forgot a space, and it got stuck by debconf picking my
version on upgrades instead of the package maintainer's. Thanks.
On Wed, May 22, 2024 at 12:38 PM Stefan Fritsch <sf@sfritsch.de> wrote:
>
> Hi Mark,
>
> Am 21.05.24 um 22:30 schrieb Mark Hedges:
> > Package: apache2
> > Version: 2.4.59-1~deb12u1
> > Severity: normal
> >
> > Dear Maintainer,
> >
> > `envvars` evaluates string in conditional instead of testing for empty string.
> >
> > `apachectl` calls `envvars` which shows a syntax error despite working:
> >
> > root@nodeo:/etc/letsencrypt# apachectl configtest
> > /usr/sbin/apachectl: 6: [: /etc/apache2: unexpected operator
> > Syntax OK
> >
> > If I change this line in `envvars`:
> >
> > if [ "${APACHE_CONFDIR}" == "" ]; then
> > export APACHE_CONFDIR=/etc/apache2
> > fi
>
> This snippet is not in the original file from the apache2 package.
> Compare to
> https://salsa.debian.org/apache-team/apache2/-/blob/master/debian/config-dir/envvars?ref_type=heads
>
> Either you or some package or script has changed the file. If you have
> etckeeper you could dig in the logs.
>
> Cheers,
> Stefan
>
> >
> > to this:
> >
> > if [ -z ${APACHE_CONFDIR} ]; then
> > export APACHE_CONFDIR=/etc/apache2
> > fi
> >
> > ... then it works.
> >
> > It's trying to evaluate `/etc/apache2` as a command? Weird.
> >
> > PATH seems totally normal.
> >
> > Mark
> >
> > -- Package-specific info:
> >
> > -- System Information:
> > Debian Release: 12.5
> > APT prefers stable-updates
> > APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
> > Architecture: amd64 (x86_64)
> >
> > Kernel: Linux 6.1.0-21-amd64 (SMP w/1 CPU thread; PREEMPT)
> > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
> > Shell: /bin/sh linked to /usr/bin/dash
> > Init: systemd (via /run/systemd/system)
> > LSM: AppArmor: enabled
> >
> > Versions of packages apache2 depends on:
> > ii apache2-bin 2.4.59-1~deb12u1
> > ii apache2-data 2.4.59-1~deb12u1
> > ii apache2-utils 2.4.59-1~deb12u1
> > ii init-system-helpers 1.65.2
> > ii lsb-base 11.6
> > ii media-types 10.0.0
> > ii perl 5.36.0-7+deb12u1
> > ii procps 2:4.0.2-3
> > ii sysvinit-utils [lsb-base] 3.06-4
> >
> > Versions of packages apache2 recommends:
> > ii ssl-cert 1.1.2
> >
> > Versions of packages apache2 suggests:
> > pn apache2-doc <none>
> > pn apache2-suexec-pristine | apache2-suexec-custom <none>
> > ii chromium [www-browser] 125.0.6422.60-1~deb12u1
> >
> > Versions of packages apache2-bin depends on:
> > ii libapr1 1.7.2-3
> > ii libaprutil1 1.6.3-1
> > ii libaprutil1-dbd-sqlite3 1.6.3-1
> > ii libaprutil1-ldap 1.6.3-1
> > ii libbrotli1 1.0.9-2+b6
> > ii libc6 2.36-9+deb12u7
> > ii libcrypt1 1:4.4.33-2
> > ii libcurl4 7.88.1-10+deb12u5
> > ii libjansson4 2.14-2
> > ii libldap-2.5-0 2.5.13+dfsg-5
> > ii liblua5.3-0 5.3.6-2
> > ii libnghttp2-14 1.52.0-1+deb12u1
> > ii libpcre2-8-0 10.42-1
> > ii libssl3 3.0.11-1~deb12u2
> > ii libxml2 2.9.14+dfsg-1.3~deb12u1
> > ii perl 5.36.0-7+deb12u1
> > ii zlib1g 1:1.2.13.dfsg-1
> >
> > Versions of packages apache2-bin suggests:
> > pn apache2-doc <none>
> > pn apache2-suexec-pristine | apache2-suexec-custom <none>
> > ii chromium [www-browser] 125.0.6422.60-1~deb12u1
> >
> > Versions of packages apache2 is related to:
> > ii apache2 2.4.59-1~deb12u1
> > ii apache2-bin 2.4.59-1~deb12u1
> >
> > -- Configuration Files:
> > /etc/apache2/apache2.conf changed:
> > DefaultRuntimeDir ${APACHE_RUN_DIR}
> > PidFile ${APACHE_PID_FILE}
> > Timeout 300
> > KeepAlive On
> > MaxKeepAliveRequests 100
> > KeepAliveTimeout 5
> > User ${APACHE_RUN_USER}
> > Group ${APACHE_RUN_GROUP}
> > HostnameLookups Off
> > ErrorLog ${APACHE_LOG_DIR}/error.log
> > LogLevel warn
> > IncludeOptional mods-enabled/*.load
> > IncludeOptional mods-enabled/*.conf
> > Include ports.conf
> > <Directory />
> > Options FollowSymLinks
> > AllowOverride None
> > Require all denied
> > </Directory>
> > <Directory /usr/share>
> > AllowOverride None
> > Require all granted
> > </Directory>
> > <Directory /var/www/>
> > Options Indexes FollowSymLinks
> > AllowOverride None
> > Require all granted
> > </Directory>
> > AccessFileName .htaccess
> > <FilesMatch "^\.ht">
> > Require all denied
> > </FilesMatch>
> > LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
> > LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
> > LogFormat "%h %l %u %t \"%r\" %>s %O" common
> > LogFormat "%{Referer}i -> %U" referer
> > LogFormat "%{User-agent}i" agent
> > IncludeOptional conf-enabled/*.conf
> > IncludeOptional sites-enabled/*.conf
> >
> > /etc/apache2/envvars changed:
> > unset HOME
> > if [ -z "${APACHE_CONFDIR}" ]; then
> > export APACHE_CONFDIR=/etc/apache2
> > fi
> > if [ "${APACHE_CONFDIR##/etc/apache2-}" != "${APACHE_CONFDIR}" ] ; then
> > SUFFIX="-${APACHE_CONFDIR##/etc/apache2-}"
> > else
> > SUFFIX=
> > fi
> > export APACHE_RUN_USER=www-data
> > export APACHE_RUN_GROUP=www-data
> > export APACHE_PID_FILE=/var/run/apache2$SUFFIX/apache2.pid
> > export APACHE_RUN_DIR=/var/run/apache2$SUFFIX
> > export APACHE_LOCK_DIR=/var/lock/apache2$SUFFIX
> > export APACHE_LOG_DIR=/var/log/apache2$SUFFIX
> > export LANG=C
> > export LANG
> >
> >
> > -- no debconf information
> >
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