File 0003-conffile-allow-usr-etc-to-provide-any-conf... of Package nfs-utils

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File 0003-conffile-allow-usr-etc-to-provide-any-config-files-e.patch of Package nfs-utils (Revision 1f8510289e2428337d6397ab45e2a9eb)

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From 6a714409b17ad2cca99d497129fc944a808eb446 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Mon, 27 Nov 2023 10:35:56 -0500
Subject: [PATCH] conffile: allow /usr/etc to provide any config files expected
 in /etc

If any config file is configured to be in /etc, also read from /usr/etc.
This followed a growing trend of moving as much as possible out of /
and into /usr.

See https://en.opensuse.org/openSUSE:Packaging_UsrEtc

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
---
 support/nfs/conffile.c         |   26 +++++++++++++++-----------
 support/nfsidmap/idmapd.conf.5 |   15 ++++++++++++++-
 systemd/nfs.conf.man           |   23 ++++++++++++++---------
 systemd/nfs.systemd.man        |   10 +++++++++-
 utils/mount/nfsmount.conf.man  |   19 ++++++++++---------
 5 files changed, 62 insertions(+), 31 deletions(-)

--- a/support/nfs/conffile.c
+++ b/support/nfs/conffile.c
@@ -763,19 +763,23 @@ conf_init_file(const char *conf_file)
 	if (conf_file == NULL)
 		conf_file = NFS_CONFFILE;
 
-	/*
-	 * First parse the give config file
-	 * then parse the config.conf.d directory
-	 * (if it exists)
+	/* If the config file is in /etc (normal) then check
+	 * /usr/etc first.  Also check config.conf.d for files
+	 * names *.conf.
+	 *
+	 * Content or later files always over-rides earlier
+	 * files.
 	 */
-	conf_load_file(conf_file);
+	if (strncmp(conf_file, "/etc/", 5) == 0) {
+		char *usrconf = NULL;
 
-	/*
-	 * When the same variable is set in both files
-	 * the conf.d file will override the config file.
-	 * This allows automated admin systems to
-	 * have the final say.
-	 */
+		if (asprintf(&usrconf, "/usr%s", conf_file) > 0 && usrconf) {
+			conf_load_file(usrconf);
+			conf_init_dir(usrconf);
+			free(usrconf);
+		}
+	}
+	conf_load_file(conf_file);
 	conf_init_dir(conf_file);
 }
 
--- a/support/nfsidmap/idmapd.conf.5
+++ b/support/nfsidmap/idmapd.conf.5
@@ -37,7 +37,7 @@ Configuration file for libnfsidmap.  Use
 .SH DESCRIPTION
 The
 .B idmapd.conf
-configuration file consists of several sections, initiated by strings of the
+configuration files consists of several sections, initiated by strings of the
 form [General] and [Mapping].  Each section may contain lines of the form
 .nf
   variable = value
@@ -398,6 +398,19 @@ LDAP_base = dc=org,dc=domain
 .\" Additional sections
 .\" -------------------------------------------------------------------
 .\"
+.SH FILES
+.I /usr/etc/idmapd.conf
+.br
+.I /usr/etc/idmapd.conf.d/*.conf
+.br
+.I /etc/idmapd.conf
+.br
+.I /etc/idmapd.conf.d/*.conf
+.br
+.IP
+Files are read in the order listed.  Later settings override earlier
+settings.
+
 .SH SEE ALSO
 .BR idmapd (8)
 .BR svcgssd (8)
--- a/systemd/nfs.conf.man
+++ b/systemd/nfs.conf.man
@@ -2,10 +2,13 @@
 .SH NAME
 nfs.conf \- general configuration for NFS daemons and tools
 .SH SYNOPSIS
+.I /usr/etc/nfs.conf
+.I /usr/etc/nfs.conf.d/
 .I /etc/nfs.conf
+.I /etc/nfs.conf.d/
 .SH DESCRIPTION
 .PP
-This file contains site-specific configuration for various NFS daemons
+These files contain site-specific configuration for various NFS daemons
 and other processes.  Most configuration can also be passed to
 processes via command line arguments, but it can be more convenient to
 have a central file.  In particular, this encourages consistent
@@ -314,15 +317,17 @@ See
 for deatils.
 
 .SH FILES
-.TP 10n
+.I /usr/etc/nfs.conf
+.br
+.I /usr/etc/nfs.conf.d/*.conf
+.br
 .I /etc/nfs.conf
-Default NFS client configuration file
-.TP 10n
-.I /etc/nfs.conf.d
-When this directory exists and files ending 
-with ".conf" exist, those files will be
-used to set configuration variables. These
-files will override variables set in /etc/nfs.conf
+.br
+.I /etc/nfs.conf.d/*.conf
+.br
+.IP
+Various configuration files read in order.  Later settings override
+earlier settings.
 .SH SEE ALSO
 .BR nfsdcltrack (8),
 .BR rpc.nfsd (8),
--- a/systemd/nfs.systemd.man
+++ b/systemd/nfs.systemd.man
@@ -27,7 +27,9 @@ any command line arguments to daemons so
 behavior.  In many case such configuration can be performed by making
 changes to
 .I /etc/nfs.conf
-or other configuration files.  When that is not convenient, a
+or other configuration files (see
+.BR nfs.conf (5)).
+When that is not convenient, a
 distribution might provide systemd "drop-in" files which replace the
 .B ExecStart=
 setting to start the program with different arguments.  For example a
@@ -171,6 +173,12 @@ running, it can be masked with
 /etc/nfsmount.conf
 .br
 /etc/idmapd.conf
+.P
+Also similar files in 
+.B /usr/etc
+and in related
+.I conf.d
+drop-in directories.
 .SH SEE ALSO
 .BR systemd.unit (5),
 .BR nfs.conf (5),
--- a/utils/mount/nfsmount.conf.man
+++ b/utils/mount/nfsmount.conf.man
@@ -115,16 +115,17 @@ All mounts to the '/export/home' export
 the background (i.e. done asynchronously).
 .RE
 .SH FILES
-.TP 10n
+.I /usr/etc/nfsmount.conf
+.br
+.I /usr/etc/nfsmount.conf.d/*.conf
+.br
 .I /etc/nfsmount.conf
-Default NFS mount configuration file
-.TP 10n
-.I /etc/nfsmount.conf.d
-When this directory exists and files ending
-with ".conf" exist, those files will be
-used to set configuration variables. These
-files will override variables set
-in /etc/nfsmount.conf
+.br
+.I /etc/nfsmount.conf.d/*.conf
+.br
+.IP
+Default NFS mount configuration files, variables set in the later file
+over-ride those in the earlier file.
 .PD
 .SH SEE ALSO
 .BR nfs (5),

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File 0003-conffile-allow-usr-etc-to-provide-any-config-files-e.patch of Package nfs-utils (Revision 1f8510289e2428337d6397ab45e2a9eb)

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