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Create /etc/os-release file.

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Each boot, regenerate /var/run/os-release based on the currently running
system. Create a /etc/os-release symlink pointing to this file (so that this
doesn't create a new reason /etc can not be mounted read-only).

This is compatible with what other systems do and is what the sysutil/os-release
port attempted to do, but in an incomplete way. Linux, Solaris and DragonFly all
implement this natively as well. The complete standard can be found at
https://www.freedesktop.org/software/systemd/man/os-release.html

Moving this to the base solves both the non-standard location problem with the
port, as well as the lack of update of this file on system update.

Bump __FreeBSD_version to 1300060

PR: 238953
Differential Revision:  https://reviews.freebsd.org/D22271
This commit is contained in:
imp 2019-11-20 23:45:31 +00:00
parent 5f126ff220
commit 95d96b8665
7 changed files with 182 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
etc/Makefile
View File

@ -57,6 +57,8 @@ distribution:
${_+_}cd ${.CURDIR}/mtree; ${MAKE} install
${_+_}cd ${SRCTOP}/share/termcap; ${MAKE} etc-termcap
${_+_}cd ${SRCTOP}/usr.sbin/rmt; ${MAKE} etc-rmt
${INSTALL_SYMLINK} ../var/run/os-release \
${DESTDIR}/etc/os-release
.if ${MK_UNBOUND} != "no"
if [ ! -e ${DESTDIR}/etc/unbound ]; then \
${INSTALL_SYMLINK} -T "package=unbound" \

3
libexec/rc/rc.conf
View File

@ -678,6 +678,9 @@ entropy_save_sz="4096" # Size of the entropy cache files.
entropy_save_num="8" # Number of entropy cache files to save.
harvest_mask="511" # Entropy device harvests all but the very invasive sources.
# (See 'sysctl kern.random.harvest' and random(4))
osrelease_enable="YES" # Update /var/run/os-release on boot (or NO).
osrelease_file="/var/run/os-release" # File to update for os-release.
osrelease_perms="444" # Default permission for os-release file.
dmesg_enable="YES" # Save dmesg(8) to /var/run/dmesg.boot
watchdogd_enable="NO" # Start the software watchdog daemon
watchdogd_flags="" # Flags to watchdogd (if enabled)

1
libexec/rc/rc.d/Makefile
View File

@ -77,6 +77,7 @@ CONFS= DAEMON \
nsswitch \
ntpdate \
${_opensm} \
os-release \
pf \
pflog \
pfsync \

44
libexec/rc/rc.d/os-release Executable file
View File

@ -0,0 +1,44 @@
#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: os-release
# REQUIRE: mountcritremote FILESYSTEMS
# BEFORE: LOGIN
. /etc/rc.subr
: ${osrelease_file:=/var/run/os-release}
: ${osrelease_perms:=444}
name="osrelease"
desc="Update ${osrelease_file}"
start_cmd="osrelease_start"
stop_cmd=":"
osrelease_start()
{
local _version _version_id
check_startmsgs && echo -n "Updating ${osrelease_file} "
_version=$(freebsd-version -u)
_version_id=${_version%%[^0-9.]*}
t=$(mktemp -t os-release)
cat > "$t" <<-__EOF__
NAME=FreeBSD
VERSION=$_version
VERSION_ID=$_version_id
ID=freebsd
ANSI_COLOR="0;31"
PRETTY_NAME="FreeBSD $_version"
CPE_NAME=cpe:/o:freebsd:freebsd:$_version_id
HOME_URL=https://FreeBSD.org/
BUG_REPORT_URL=https://bugs.FreeBSD.org/
__EOF__
install -C -o root -g wheel -m ${osrelease_perms} "$t" "${osrelease_file}"
rm -f "$t"
check_startmsgs && echo 'done.'
}
load_rc_config $name
run_rc_command "$1"

1
share/man/man5/Makefile
View File

@ -46,6 +46,7 @@ MAN= acct.5 \
nsmb.conf.5 \
nsswitch.conf.5 \
nullfs.5 \
os-release.5 \
passwd.5 \
pbm.5 \
periodic.conf.5 \

130
share/man/man5/os-release.5 Normal file
View File

@ -0,0 +1,130 @@
.\" Copyright (c) 2019 M. Warner Losh.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd November 9, 2019
.Dt OS-RELEASE 5
.Os
.Sh NAME
.Nm os-release
.Nd file describing the current OS and some of its attributes
.Sh DESCRIPTION
The
.Nm
file is a new-line separated list of key value pairs.
The syntax of this file is a reduced
.Xr sh 1
variable assignment with the
following restrictions:
.Bl -bullet
.It
Strings cannot be concatenated together
.It
No variable expansion is done
.It
All shell special characters must be quoted as documented in
.Xr sh 1
.It
Variable assignments must be included inside of double quotes
if they contain characters outside of A-Z, a-z and 0-9
.It
All strings should be UTF-8 format
.It
Non-printable characters should not be used in the strings
.El
.Pp
Lines starting with the character
.Ql #
are ignored as comments.
.Sh VARIABLES
The following variables are defined by the standard.
.Bl -tag -width XXXXXXXXXX -compact
.It Dv NAME
A string describing the preferred OS name.
.It Dv VERSION
Version string for the OS, in its usual and customary format.
.It Dv ID
Lower case version of the name with only a-z, 0-9,
.Ql . ,
.Ql - ,
and
.Ql _ .
.It Dv VERSION_ID
Lower case version of the version with only a-z, 0-9,
.Ql . ,
.Ql - ,
and
.Ql _ .
.It Dv PRETTY_NAME
A pretty version of the name presented to the user.
May contain release information.
.It Dv ANSI_COLOR
Suggested color presentation for the OS.
This string should be suitable for inclusion within an ESC [ m ANSI/ECMA-48
escape sequence to render the OS in its preferred color.
This variable is optional.
.It Dv CPE_NAME
A CPE name for the operating system.
This field shall follow the NIST Common Platform Enumeration specification.
.It Dv HOME_URL
.It Dv SUPPORT_URL
.It Dv BUG_REPORT_URL
.It Dv PRIVACY_POLICY_URL
Links on the internet, in RFC 3986 format for different aspects of this OS.
These variables are optional.
.It Dv BUILD_ID
A string identifying the build.
This variable is optional.
.It Dv VARIANT
A string describing the variant of this operating system.
This variable is optional.
.It Dv VARIANT_ID
Lower case version of the variant with only a-z, 0-9,
.Ql . ,
.Ql - ,
and
.Ql _ .
This variable is optional.
.El
.Pp
All other variables have no standard-defined meaning.
.Sh FILES
.Bl -tag -width XXXXXXXXXX -compact
.It Pa /etc/os-release
Symbolic link to actual
.Pa os-release
file.
.It Pa /var/run/os-release
Generated os-release file describing the currently running system.
.Sh SEE ALSO
.Bl -tag -width XXXXXXXXXX -compact
.It CPE Specification
.Lk https://csrc.nist.gov/projects/security-content-automation-protocol/scap-specifications/cpe
.It RFC 3986
.Lk https://tools.ietf.org/html/rfc3986
.It os-release Specification
.Lk https://www.linux.org/docs/man5/os-release.html
.Sh HISTORY
This file first appeared in
.Fx 13.0 .

2
sys/sys/param.h
View File

@ -60,7 +60,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
#define __FreeBSD_version 1300059 /* Master, propagated to newvers */
#define __FreeBSD_version 1300060 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,