nfs-utils/nfs-utils-2-5-4-rc3.patch

Commits:
972dba0f nfs-utils: Enable the retrieval of raw config settings without expansion
964f4861 nfs-utils: Factor out common structure cleanup calls
8219bdb0 Replace all /var/run with /run
81727afe Fix `statx()` emulation breaking exports
a41afe9e mountd/exports: Fix typo in the man page

diff --git a/support/include/conffile.h b/support/include/conffile.h
index 7d974fe9..c4a3ca62 100644
--- a/support/include/conffile.h
+++ b/support/include/conffile.h
@@ -61,6 +61,7 @@ extern _Bool    conf_get_bool(const char *, const char *, _Bool);
 extern char    *conf_get_str(const char *, const char *);
 extern char    *conf_get_str_with_def(const char *, const char *, char *);
 extern char    *conf_get_section(const char *, const char *, const char *);
+extern char    *conf_get_entry(const char *, const char *, const char *);
 extern int      conf_init_file(const char *);
 extern void     conf_cleanup(void);
 extern int      conf_match_num(const char *, const char *, int);
diff --git a/support/misc/xstat.c b/support/misc/xstat.c
index a438fbcc..6f751f7f 100644
--- a/support/misc/xstat.c
+++ b/support/misc/xstat.c
@@ -85,6 +85,7 @@ int xlstat(const char *pathname, struct stat *statbuf)
 		return 0;
 	else if (errno != ENOSYS)
 		return -1;
+	errno = 0;
 	return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT |
 			AT_SYMLINK_NOFOLLOW);
 }
@@ -95,6 +96,7 @@ int xstat(const char *pathname, struct stat *statbuf)
 		return 0;
 	else if (errno != ENOSYS)
 		return -1;
+	errno = 0;
 	return fstatat(AT_FDCWD, pathname, statbuf, AT_NO_AUTOMOUNT);
 }
 
diff --git a/support/nfs/conffile.c b/support/nfs/conffile.c
index a4ea0676..fd4a17ad 100644
--- a/support/nfs/conffile.c
+++ b/support/nfs/conffile.c
@@ -132,6 +132,39 @@ conf_hash(const char *s)
 	return hash;
 }
 
+/*
+ * free all the component parts of a conf_binding struct
+ */
+static void free_confbind(struct conf_binding *cb)
+{
+	if (!cb)
+		return;
+	if (cb->section)
+		free(cb->section);
+	if (cb->arg)
+		free(cb->arg);
+	if (cb->tag)
+		free(cb->tag);
+	if (cb->value)
+		free(cb->value);
+	free(cb);
+}
+
+static void free_conftrans(struct conf_trans *ct)
+{
+	if (!ct)
+		return;
+	if (ct->section)
+		free(ct->section);
+	if (ct->arg)
+		free(ct->arg);
+	if (ct->tag)
+		free(ct->tag);
+	if (ct->value)
+		free(ct->value);
+	free(ct);
+}
+
 /*
  * Insert a tag-value combination from LINE (the equal sign is at POS)
  */
@@ -147,11 +180,7 @@ conf_remove_now(const char *section, const char *tag)
 				&& strcasecmp(cb->tag, tag) == 0) {
 			LIST_REMOVE(cb, link);
 			xlog(LOG_INFO,"[%s]:%s->%s removed", section, tag, cb->value);
-			free(cb->section);
-			free(cb->arg);
-			free(cb->tag);
-			free(cb->value);
-			free(cb);
+			free_confbind(cb);
 			return 0;
 		}
 	}
@@ -171,11 +200,7 @@ conf_remove_section_now(const char *section)
 			unseen = 0;
 			LIST_REMOVE(cb, link);
 			xlog(LOG_INFO, "[%s]:%s->%s removed", section, cb->tag, cb->value);
-			free(cb->section);
-			free(cb->arg);
-			free(cb->tag);
-			free(cb->value);
-			free(cb);
+			free_confbind(cb);
 			}
 		}
 	return unseen;
@@ -571,11 +596,7 @@ static void conf_free_bindings(void)
 		for (; cb; cb = next) {
 			next = LIST_NEXT(cb, link);
 			LIST_REMOVE(cb, link);
-			free(cb->section);
-			free(cb->arg);
-			free(cb->tag);
-			free(cb->value);
-			free(cb);
+			free_confbind(cb);
 		}
 		LIST_INIT(&conf_bindings[i]);
 	}
@@ -774,11 +795,7 @@ conf_cleanup(void)
 	for (node = TAILQ_FIRST(&conf_trans_queue); node; node = next) {
 		next = TAILQ_NEXT(node, link);
 		TAILQ_REMOVE (&conf_trans_queue, node, link);
-		if (node->section) free(node->section);
-		if (node->arg) free(node->arg);
-		if (node->tag) free(node->tag);
-		if (node->value) free(node->value);
-		free (node);
+		free_conftrans(node);
 	}
 	TAILQ_INIT(&conf_trans_queue);
 }
@@ -874,6 +891,29 @@ conf_get_str_with_def(const char *section, const char *tag, char *def)
 	return result;
 }
 
+/*
+ * Retrieve an entry without interpreting its contents
+ */
+char *
+conf_get_entry(const char *section, const char *arg, const char *tag)
+{
+	struct conf_binding *cb;
+
+	cb = LIST_FIRST (&conf_bindings[conf_hash (section)]);
+	for (; cb; cb = LIST_NEXT (cb, link)) {
+		if (strcasecmp(section, cb->section) != 0)
+			continue;
+		if (arg && (cb->arg == NULL || strcasecmp(arg, cb->arg) != 0))
+			continue;
+		if (!arg && cb->arg)
+			continue;
+		if (strcasecmp(tag, cb->tag) != 0)
+			continue;
+		return cb->value;
+	}
+	return 0;
+}
+
 /*
  * Find a section that may or may not have an argument
  */
@@ -1144,14 +1184,7 @@ conf_set(int transaction, const char *section, const char *arg,
 	return 0;
 
 fail:
-	if (node->tag)
-		free(node->tag);
-	if (node->arg)
-		free(node->arg);
-	if (node->section)
-		free(node->section);
-	if (node)
-		free(node);
+	free_conftrans(node);
 	return 1;
 }
 
@@ -1177,10 +1210,7 @@ conf_remove(int transaction, const char *section, const char *tag)
 	return 0;
 
 fail:
-	if (node && node->section)
-		free (node->section);
-	if (node)
-		free (node);
+	free_conftrans(node);
 	return 1;
 }
 
@@ -1201,8 +1231,7 @@ conf_remove_section(int transaction, const char *section)
 	return 0;
 
 fail:
-	if (node)
-		free(node);
+	free_conftrans(node);
 	return 1;
 }
 
@@ -1233,15 +1262,7 @@ conf_end(int transaction, int commit)
 				}
 			}
 			TAILQ_REMOVE (&conf_trans_queue, node, link);
-			if (node->section)
-				free(node->section);
-			if (node->arg)
-				free(node->arg);
-			if (node->tag)
-				free(node->tag);
-			if (node->value)
-				free(node->value);
-			free (node);
+			free_conftrans(node);
 		}
 	}
 	return 0;
diff --git a/support/nfs/getport.c b/support/nfs/getport.c
index e458d8fe..813f7bf9 100644
--- a/support/nfs/getport.c
+++ b/support/nfs/getport.c
@@ -904,7 +904,7 @@ int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
  * listen on AF_LOCAL.
  *
  * If that doesn't work (for example, if portmapper is running, or rpcbind
- * isn't listening on /var/run/rpcbind.sock), send a query via UDP to localhost
+ * isn't listening on /run/rpcbind.sock), send a query via UDP to localhost
  * (UDP doesn't leave a socket in TIME_WAIT, and the timeout is a relatively
  * short 3 seconds).
  */
diff --git a/tests/test-lib.sh b/tests/test-lib.sh
index 57af37b1..e47ad135 100644
--- a/tests/test-lib.sh
+++ b/tests/test-lib.sh
@@ -56,5 +56,5 @@ start_statd() {
 
 # shut down statd
 kill_statd() {
-	kill `cat /var/run/rpc.statd.pid`
+	kill `cat /run/rpc.statd.pid`
 }
diff --git a/tools/nfsconf/nfsconf.man b/tools/nfsconf/nfsconf.man
index 30791988..d44e86fb 100644
--- a/tools/nfsconf/nfsconf.man
+++ b/tools/nfsconf/nfsconf.man
@@ -11,6 +11,12 @@ nfsconf \- Query various NFS configuration settings
 .IR infile.conf ]
 .RI [ outfile ]
 .P
+.B nfsconf \-\-entry
+.RB [ \-\-arg  
+.IR subsection]
+.IR section
+.IR tag
+.P
 .B nfsconf \-\-get
 .RB [ \-v | \-\-verbose ]
 .RB [ \-f | \-\-file
@@ -58,6 +64,8 @@ from a range of nfs-utils configuration files.
 The following modes are available:
 .IP "\fB\-d, \-\-dump\fP"
 Output an alphabetically sorted dump of the current configuration in conf file format. Accepts an optional filename in which to write the output.
+.IP "\fB\-e, \-\-entry\fP"
+retrieve the config entry rather than its current expanded value
 .IP "\fB\-i, \-\-isset\fP"
 Test if a specific tag has a value set.
 .IP "\fB\-g, \-\-get\fP"
@@ -75,7 +83,7 @@ Increase verbosity and print debugging information.
 .B \-f, \-\-file \fIinfile\fR
 Select a different config file to operate upon, default is
 .I /etc/nfs.conf
-.SS Options only valid in \fB\-\-get\fR and \fB\-\-isset\fR modes.
+.SS Options only valid in \fB\-\-entry\fR and \fB\-\-get\fR and \fB\-\-isset\fR modes.
 .TP
 .B \-a, \-\-arg \fIsubsection\fR
 Select a specific sub-section
diff --git a/tools/nfsconf/nfsconfcli.c b/tools/nfsconf/nfsconfcli.c
index 361d386e..b2ef96d1 100644
--- a/tools/nfsconf/nfsconfcli.c
+++ b/tools/nfsconf/nfsconfcli.c
@@ -11,6 +11,7 @@
 typedef enum {
 	MODE_NONE,
 	MODE_GET,
+	MODE_ENTRY,
 	MODE_ISSET,
 	MODE_DUMP,
 	MODE_SET,
@@ -30,6 +31,8 @@ static void usage(const char *name)
 	fprintf(stderr, "      Outputs the configuration to the named file\n");
 	fprintf(stderr, "  --get [--arg subsection] {section} {tag}\n");
 	fprintf(stderr, "      Output one specific config value\n");
+	fprintf(stderr, "  --entry [--arg subsection] {section} {tag}\n");
+	fprintf(stderr, "      Output the uninterpreted config entry\n");
 	fprintf(stderr, "  --isset [--arg subsection] {section} {tag}\n");
 	fprintf(stderr, "      Return code indicates if config value is present\n");
 	fprintf(stderr, "  --set [--arg subsection] {section} {tag} {value}\n");
@@ -55,6 +58,7 @@ int main(int argc, char **argv)
 		int index = 0;
 		struct option long_options[] = {
 			{"get",		no_argument, 0, 'g' },
+			{"entry",	no_argument, 0, 'e' },
 			{"set",		no_argument, 0, 's' },
 			{"unset",	no_argument, 0, 'u' },
 			{"arg",	  required_argument, 0, 'a' },
@@ -66,7 +70,7 @@ int main(int argc, char **argv)
 			{NULL,			  0, 0, 0 }
 		};
 
-		c = getopt_long(argc, argv, "gsua:id::f:vm:", long_options, &index);
+		c = getopt_long(argc, argv, "gesua:id::f:vm:", long_options, &index);
 		if (c == -1) break;
 
 		switch (c) {
@@ -86,6 +90,9 @@ int main(int argc, char **argv)
 			case 'g':
 				mode = MODE_GET;
 				break;
+			case 'e':
+				mode = MODE_ENTRY;
+				break;
 			case 's':
 				mode = MODE_SET;
 				break;
@@ -167,8 +174,8 @@ int main(int argc, char **argv)
 		if (dumpfile)
 			fclose(out);
 	} else
-	/* --iset and --get share a lot of code */
-	if (mode == MODE_GET || mode == MODE_ISSET) {
+	/* --isset and --get share a lot of code */
+	if (mode == MODE_GET || mode == MODE_ISSET || mode == MODE_ENTRY) {
 		char * section = NULL;
 		char * tag = NULL;
 		const char * val;
@@ -186,14 +193,17 @@ int main(int argc, char **argv)
 		tag = argv[optind++];
 
 		/* retrieve the specified tags value */
-		val = conf_get_section(section, arg, tag);
+		if (mode == MODE_ENTRY)
+			val = conf_get_entry(section, arg, tag);
+		else
+			val = conf_get_section(section, arg, tag);
 		if (val != NULL) {
 			/* ret=0, success, mode --get wants to output the value as well */
-			if (mode == MODE_GET)
+			if (mode != MODE_ISSET)
 				printf("%s\n", val);
 		} else {
 			/* ret=1, no value found, tell the user if they asked */
-			if (mode == MODE_GET && verbose)
+			if (mode != MODE_ISSET && verbose)
 				fprintf(stderr, "Tag '%s' not found\n", tag);
 			ret = 1;
 		}
diff --git a/utils/blkmapd/device-discovery.c b/utils/blkmapd/device-discovery.c
index f5f9b10b..77ebe736 100644
--- a/utils/blkmapd/device-discovery.c
+++ b/utils/blkmapd/device-discovery.c
@@ -64,7 +64,7 @@
 #define EVENT_BUFSIZE (1024 * EVENT_SIZE)
 
 #define RPCPIPE_DIR	"/var/lib/nfs/rpc_pipefs"
-#define PID_FILE	"/var/run/blkmapd.pid"
+#define PID_FILE	"/run/blkmapd.pid"
 
 #define CONF_SAVE(w, f) do {			\
 	char *p = f;				\
diff --git a/utils/exportd/exportd.man b/utils/exportd/exportd.man
index b238ff05..fae434b5 100644
--- a/utils/exportd/exportd.man
+++ b/utils/exportd/exportd.man
@@ -14,7 +14,7 @@ is used to manage NFSv4 exports.
 The NFS server
 .RI ( nfsd )
 maintains a cache of authentication and authorization information which
-is used to identify the source of each requent, and then what access
+is used to identify the source of each request, and then what access
 permissions that source has to any local filesystem.  When required
 information is not found in the cache, the server sends a request to
 .B nfsv4.exportd
@@ -134,7 +134,7 @@ listing exports, export options, and access control lists
 .BR exports (5),
 .BR showmount (8),
 .BR nfs.conf (5),
-.BR firwall-cmd (1),
+.BR firewall-cmd (1),
 .sp
 RFC 7530 - "Network File System (NFS) Version 4 Protocol"
 .br
diff --git a/utils/mountd/mountd.man b/utils/mountd/mountd.man
index 1155cf94..77e6299a 100644
--- a/utils/mountd/mountd.man
+++ b/utils/mountd/mountd.man
@@ -19,7 +19,7 @@ clients and provides details of access permissions.
 The NFS server
 .RI ( nfsd )
 maintains a cache of authentication and authorization information which
-is used to identify the source of each requent, and then what access
+is used to identify the source of each request, and then what access
 permissions that source has to any local filesystem.  When required
 information is not found in the cache, the server sends a request to
 .B mountd
diff --git a/utils/statd/sm-notify.c b/utils/statd/sm-notify.c
index 606b912d..ed82b8f2 100644
--- a/utils/statd/sm-notify.c
+++ b/utils/statd/sm-notify.c
@@ -901,7 +901,7 @@ find_host(uint32_t xid)
 }
 
 /*
- * Record pid in /var/run/sm-notify.pid
+ * Record pid in /run/sm-notify.pid
  * This file should remain until a reboot, even if the
  * program exits.
  * If file already exists, fail.
@@ -913,7 +913,7 @@ static int record_pid(void)
 	int fd;
 
 	(void)snprintf(pid, sizeof(pid), "%d\n", (int)getpid());
-	fd = open("/var/run/sm-notify.pid", O_CREAT|O_EXCL|O_WRONLY, 0600);
+	fd = open("/run/sm-notify.pid", O_CREAT|O_EXCL|O_WRONLY, 0600);
 	if (fd < 0)
 		return 0;
 
diff --git a/utils/statd/start-statd b/utils/statd/start-statd
index 54ced822..2baf73c3 100755
--- a/utils/statd/start-statd
+++ b/utils/statd/start-statd
@@ -1,18 +1,18 @@
 #!/bin/sh
 # nfsmount calls this script when mounting a filesystem with locking
 # enabled, but when statd does not seem to be running (based on
-# /var/run/rpc.statd.pid).
+# /run/rpc.statd.pid).
 # It should run statd with whatever flags are apropriate for this
 # site.
 PATH="/sbin:/usr/sbin:/bin:/usr/bin"
 
 # Use flock to serialize the running of this script
-exec 9> /var/run/rpc.statd.lock
+exec 9> /run/rpc.statd.lock
 flock -e 9
 
-if [ -s /var/run/rpc.statd.pid ] &&
-       [ 1`cat /var/run/rpc.statd.pid` -gt 1 ] &&
-       kill -0 `cat /var/run/rpc.statd.pid` > /dev/null 2>&1
+if [ -s /run/rpc.statd.pid ] &&
+       [ 1`cat /run/rpc.statd.pid` -gt 1 ] &&
+       kill -0 `cat /run/rpc.statd.pid` > /dev/null 2>&1
 then
     # statd already running - must have been slow to respond.
     exit 0
diff --git a/utils/statd/statd.c b/utils/statd/statd.c
index 32169d47..a469a67a 100644
--- a/utils/statd/statd.c
+++ b/utils/statd/statd.c
@@ -161,7 +161,7 @@ usage(void)
 	fprintf(stderr,"      -H                   Specify a high-availability callout program.\n");
 }
 
-static const char *pidfile = "/var/run/rpc.statd.pid";
+static const char *pidfile = "/run/rpc.statd.pid";
 
 int pidfd = -1;
 static void create_pidfile(void)
diff --git a/utils/statd/statd.man b/utils/statd/statd.man
index ecd3e889..7441ffde 100644
--- a/utils/statd/statd.man
+++ b/utils/statd/statd.man
@@ -440,7 +440,7 @@ directory containing notify list
 .I /var/lib/nfs/state
 NSM state number for this host
 .TP 2.5i
-.I /var/run/run.statd.pid
+.I /run/run.statd.pid
 pid file
 .TP 2.5i
 .I /etc/netconfig