autofs-5.1.4 - add fedfs-map-nfs4.c
From: Ian Kent <raven@themaw.net>
Add build (and install) of the fedfs program map, fedfs-map-nfs4.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1
autofs.spec | 1
fedfs/Makefile | 12 ++-
fedfs/fedfs-map-nfs4.c | 204 ++++++++++++++++++++++++++++++++++++++++++++++++
fedfs/fedfs-token.h | 40 +++++++++
5 files changed, 256 insertions(+), 2 deletions(-)
create mode 100644 fedfs/fedfs-map-nfs4.c
create mode 100644 fedfs/fedfs-token.h
diff --git a/CHANGELOG b/CHANGELOG
index 88992147..412e3382 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -16,6 +16,7 @@ xx/xx/2018 autofs-5.1.5
- fix libresolv configure check.
- add fedfs-getsrvinfo.c.
- add mount.fedfs.c.
+- add fedfs-map-nfs4.c.
19/12/2017 autofs-5.1.4
- fix spec file url.
diff --git a/autofs.spec b/autofs.spec
index 2cc0e38f..157c09b4 100644
--- a/autofs.spec
+++ b/autofs.spec
@@ -192,6 +192,7 @@ fi
%config(noreplace) /etc/autofs_ldap_auth.conf
%{_sbindir}/automount
%{_sbindir}/mount.fedfs
+%{_sbindir}/fedfs-map-nfs4
%dir %{_libdir}/autofs
%{_libdir}/autofs/*
%{_mandir}/*/*
diff --git a/fedfs/Makefile b/fedfs/Makefile
index cb325bed..dff749e4 100644
--- a/fedfs/Makefile
+++ b/fedfs/Makefile
@@ -6,11 +6,13 @@
include ../Makefile.rules
SRCS = mount.fedfs.c
-HDRS = fedfs-getsrvinfo.h fedfs-gpl-boiler.h fedfs-nls.h
+HDRS = fedfs-getsrvinfo.h fedfs-gpl-boiler.h fedfs-nls.h \
+ fedfs-token.h
fedfs-getsrvinfo_OBJ = fedfs-getsrvinfo.o
mount_fedfs_OBJ = mount.fedfs.o
+fedfs-map-nfs4_OBJ = fedfs-map-nfs4.o
version := $(shell cat ../.version)
@@ -18,18 +20,24 @@ CFLAGS += -rdynamic $(DAEMON_CFLAGS) -D_GNU_SOURCE -I../include
CFLAGS += -DVERSION_STRING=\"$(version)\"
LDFLAGS += -rdynamic
-all: mount.fedfs
+all: mount.fedfs fedfs-map-nfs4
mount.fedfs: $(mount_fedfs_OBJ) $(fedfs-getsrvinfo_OBJ) $(HDRS)
$(CC) -o mount.fedfs \
$(mount_fedfs_OBJ) $(fedfs-getsrvinfo_OBJ) \
$(LDFLAGS) $(LIBRESOLV) $(LIBS)
+fedfs-map-nfs4: $(fedfs-map-nfs4_OBJ) $(fedfs-getsrvinfo_OBJ) $(HDRS)
+ $(CC) -o fedfs-map-nfs4 \
+ $(fedfs-map-nfs4_OBJ) $(fedfs-getsrvinfo_OBJ) \
+ $(LDFLAGS) $(LIBRESOLV) $(LIBS)
+
clean:
rm -f *.o *.s *~ mount.fedfs
install: all
install -d -m 755 $(INSTALLROOT)$(sbindir)
+ install -c fedfs-map-nfs4 -m 755 $(INSTALLROOT)$(sbindir); \
if ! test -x $(INSTALLROOT)$(sbindir)/mount.fedfs; \
then \
install -c mount.fedfs -m 755 $(INSTALLROOT)$(sbindir); \
diff --git a/fedfs/fedfs-map-nfs4.c b/fedfs/fedfs-map-nfs4.c
new file mode 100644
index 00000000..9f831cd7
--- /dev/null
+++ b/fedfs/fedfs-map-nfs4.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2011 Oracle. All rights reserved.
+ *
+ * This file is part of fedfs-utils.
+ *
+ * fedfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * fedfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with fedfs-utils. If not, see:
+ *
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/mount.h>
+#include <sys/wait.h>
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <libgen.h>
+#include <errno.h>
+#include <getopt.h>
+#include <locale.h>
+#include <netdb.h>
+#include <langinfo.h>
+
+#include "fedfs-nls.h"
+#include "fedfs-token.h"
+#include "fedfs-getsrvinfo.h"
+#include "fedfs-gpl-boiler.h"
+
+/**
+ * Name of SRV record containing NFSv4 FedFS root
+ */
+#define FEDFS_NFS_DOMAINROOT "_nfs-domainroot._tcp"
+
+/**
+ * Export pathname of NFSv4 FedFS root
+ */
+#define FEDFS_NFS_EXPORTPATH "/.domainroot"
+
+static char *progname;
+
+/**
+ * Display usage message
+ */
+static void
+fedfs_map_usage(void)
+{
+ printf(_("\nUsage: %s [domain]\n\n"), progname);
+
+ printf("%s", fedfs_gpl_boilerplate);
+}
+
+/**
+ * Construct an NFSv4 map entry for "domainname" with one server
+ *
+ * @param si single-entry list of SRV records
+ * @param domainname NUL-terminated UTF-8 string containing name of FedFS domain
+ * @return command exit status
+ */
+static int fedfs_map_nfs4_oneserver(struct srvinfo *si, const char *domainname)
+{
+ printf("-fstype=nfs,vers=4,fg");
+ if (si->si_port != 2049)
+ printf(",port=%u", si->si_port);
+ printf(" %s:%s/%s\n", si->si_target, FEDFS_NFS_EXPORTPATH, domainname);
+ return 0;
+}
+
+/**
+ * Construct an NFSv4 map entry for "domainname" with multiple servers
+ *
+ * @param si list of SRV records for requested FedFS domain
+ * @param domainname NUL-terminated UTF-8 string containing name of FedFS domain
+ * @return command exit status
+ */
+static int fedfs_map_nfs4_replicas(struct srvinfo *si, const char *domainname)
+{
+ struct srvinfo *cur;
+ unsigned short port;
+ _Bool comma;
+
+ /*
+ * Unfortunately our automounter can't handle a list of
+ * replicas where the various servers live on different
+ * ports from one another.
+ */
+ port = si->si_port;
+ for (cur = si; cur != NULL; cur = cur->si_next)
+ if (cur->si_port != port) {
+ fprintf(stderr, _("%s: Replicas on different ports not supported\n"),
+ progname);
+ return 1;
+ }
+
+ if (port != 2049)
+ printf("-fstype=nfs,vers=4,fg,port=%u ", port);
+ else
+ printf("-fstype=nfs,vers=4,fg ");
+
+ /*
+ * Note that the export path is required to be indentical
+ * for all domain root servers for this domain.
+ */
+ for (comma = false, cur = si; cur != NULL; cur = cur->si_next) {
+ if (comma)
+ printf(",");
+ printf("%s(%u)", cur->si_target, cur->si_weight);
+ comma = true;
+ }
+ printf(":%s/%s\n", FEDFS_NFS_EXPORTPATH, domainname);
+
+ return 0;
+}
+
+/**
+ * Construct an NFSv4 map entry for "domainname"
+ *
+ * @param domainname NUL-terminated UTF-8 string containing name of FedFS domain
+ * @return command exit status
+ */
+static int fedfs_map_nfs4(const char *domainname)
+{
+ struct srvinfo *cur, *si = NULL;
+ unsigned int count;
+ int error, result;
+
+ result = 1;
+ error = getsrvinfo(FEDFS_NFS_DOMAINROOT, domainname, &si);
+ switch (error) {
+ case ESI_SUCCESS:
+ break;
+ case ESI_NONAME:
+ fprintf(stderr, _("%s: Domain name %s not found\n"),
+ progname, domainname);
+ goto out;
+ case ESI_SERVICE:
+ fprintf(stderr, _("%s: No FedFS domain root available for %s\n"),
+ progname, domainname);
+ goto out;
+ default:
+ fprintf(stderr, _("%s: Failed to resolve %s: %s\n"),
+ progname, domainname, gsi_strerror(error));
+ goto out;
+ }
+
+ for (count = 0, cur = si; cur != NULL; cur = cur->si_next)
+ count++;
+ if (count == 1)
+ result = fedfs_map_nfs4_oneserver(si, domainname);
+ else
+ result = fedfs_map_nfs4_replicas(si, domainname);
+
+out:
+ freesrvinfo(si);
+ return result;
+}
+
+/**
+ * Program entry point
+ *
+ * @param argc count of command line arguments
+ * @param argv array of NUL-terminated C strings containing command line arguments
+ * @return program exit status
+ */
+int main(int argc, char *argv[])
+{
+ (void)setlocale(LC_ALL, "");
+
+ progname = basename(argv[0]);
+
+ if (argc != 2) {
+ fedfs_map_usage();
+ return 1;
+ }
+
+ if (strcmp(progname, "fedfs-map-nfs4") == 0)
+ return fedfs_map_nfs4(argv[1]);
+#ifdef EXAMPLE
+ /* CIFS support might plug in here */
+ else if (strcmp(progname, "fedfs-map-cifs") == 0)
+ return fedfs_map_cifs(argv[1]);
+#endif
+
+ fprintf(stderr, _("%s: Unsupported file system type\n"), progname);
+ return 1;
+}
diff --git a/fedfs/fedfs-token.h b/fedfs/fedfs-token.h
new file mode 100644
index 00000000..5651409d
--- /dev/null
+++ b/fedfs/fedfs-token.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2007 Oracle. All rights reserved.
+ * Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
+ *
+ * This file is part of fedfs-utils.
+ *
+ * fedfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * fedfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with fedfs-utils. If not, see:
+ *
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifndef _FEDFS_UTILS_TOKEN_H
+#define _FEDFS_UTILS_TOKEN_H
+
+#include <sys/cdefs.h>
+
+/**
+ * Private tokenizer state object
+ */
+struct tokenizer;
+
+__attribute_malloc__
+struct tokenizer *tk_new_tokenizer(const char *string,
+ const char delimiter);
+__attribute_malloc__
+char *tk_next_token(struct tokenizer *state);
+void tk_free_tokenizer(struct tokenizer *state);
+int tk_tokenizer_error(const struct tokenizer *state);
+
+#endif /* !_FEDFS_UTILS_TOKEN_H */