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authorKrishna Srinivas <ksriniva@redhat.com>2012-05-08 15:15:31 +0530
committerAnand Avati <avati@redhat.com>2012-05-27 22:21:01 -0700
commit99ea01aa92109f0fa5b35f47e7d04dce11baa654 (patch)
tree911cde2e5d6ec1aee3c394b19bfc0af44972186c /xlators/nfs/server
parentcc5b1f06a8bfd94c669007d27d0e5103a8856dc3 (diff)
nfs/mount: Support MOUNT protocol on UDP. Needed for NLM on solaris clients.
Change-Id: I3f5c35d06827fb267a7dae53d949c61567a945d0 BUG: 799287 Signed-off-by: Krishna Srinivas <ksriniva@redhat.com> Reviewed-on: http://review.gluster.com/3337 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Rajesh Amaravathi <rajesh@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/nfs/server')
-rw-r--r--xlators/nfs/server/src/Makefile.am2
-rw-r--r--xlators/nfs/server/src/mount3.c91
-rw-r--r--xlators/nfs/server/src/mount3udp_svc.c201
-rw-r--r--xlators/nfs/server/src/nfs-mem-types.h10
-rw-r--r--xlators/nfs/server/src/nfs.c26
-rw-r--r--xlators/nfs/server/src/nfs.h1
-rw-r--r--xlators/nfs/server/src/nfs3-fh.c12
-rw-r--r--xlators/nfs/server/src/nfs3-fh.h4
8 files changed, 341 insertions, 6 deletions
diff --git a/xlators/nfs/server/src/Makefile.am b/xlators/nfs/server/src/Makefile.am
index b5fd8586dbd..ef3b672975d 100644
--- a/xlators/nfs/server/src/Makefile.am
+++ b/xlators/nfs/server/src/Makefile.am
@@ -4,7 +4,7 @@ nfsrpclibdir = $(top_srcdir)/rpc/rpc-lib/src
server_la_LDFLAGS = -module -avoidversion
server_la_SOURCES = nfs.c nfs-common.c nfs-fops.c nfs-inodes.c \
nfs-generics.c mount3.c nfs3-fh.c nfs3.c nfs3-helpers.c nlm4.c \
- nlmcbk_svc.c
+ nlmcbk_svc.c mount3udp_svc.c
server_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
noinst_HEADERS = nfs.h nfs-common.h nfs-fops.h nfs-inodes.h nfs-generics.h \
diff --git a/xlators/nfs/server/src/mount3.c b/xlators/nfs/server/src/mount3.c
index d088b3c53ca..93b0864767a 100644
--- a/xlators/nfs/server/src/mount3.c
+++ b/xlators/nfs/server/src/mount3.c
@@ -47,6 +47,9 @@
typedef ssize_t (*mnt3_serializer) (struct iovec outmsg, void *args);
+extern void *
+mount3udp_thread (void *argv);
+
/* Generic reply function for MOUNTv3 specific replies. */
int
@@ -1406,6 +1409,87 @@ err:
return ret;
}
+/* just declaring, definition is way down below */
+rpcsvc_program_t mnt3prog;
+
+/* nfs3_rootfh used by mount3udp thread needs to access mount3prog.private
+ * directly as we don't have nfs xlator pointer to dereference it. But thats OK
+ */
+
+struct nfs3_fh *
+nfs3_rootfh (char* path)
+{
+ struct mount3_state *ms = NULL;
+ struct nfs3_fh *fh = NULL;
+ struct mnt3_export *exp = NULL;
+ inode_t *inode = NULL;
+ char *tmp = NULL;
+
+ ms = mnt3prog.private;
+ exp = mnt3_mntpath_to_export (ms, path);
+ if (exp == NULL)
+ goto err;
+
+ tmp = (char *)path;
+ tmp = strchr (tmp, '/');
+ if (tmp == NULL)
+ tmp = "/";
+
+ inode = inode_from_path (exp->vol->itable, tmp);
+ if (inode == NULL)
+ goto err;
+
+ fh = GF_CALLOC (1, sizeof(*fh), gf_nfs_mt_nfs3_fh);
+ if (fh == NULL)
+ goto err;
+ nfs3_build_fh (inode, exp->volumeid, fh);
+
+err:
+ if (inode)
+ inode_unref (inode);
+ return fh;
+}
+
+int
+mount3udp_add_mountlist (char *host, dirpath *expname)
+{
+ struct mountentry *me = NULL;
+ struct mount3_state *ms = NULL;
+ char *export = NULL;
+
+ ms = mnt3prog.private;
+ me = GF_CALLOC (1, sizeof (*me), gf_nfs_mt_mountentry);
+ if (!me)
+ return -1;
+ export = (char *)expname;
+ while (*export == '/')
+ export++;
+
+ strcpy (me->exname, export);
+ strcpy (me->hostname, host);
+ INIT_LIST_HEAD (&me->mlist);
+ LOCK (&ms->mountlock);
+ {
+ list_add_tail (&me->mlist, &ms->mountlist);
+ }
+ UNLOCK (&ms->mountlock);
+ return 0;
+}
+
+int
+mount3udp_delete_mountlist (char *hostname, dirpath *expname)
+{
+ struct mount3_state *ms = NULL;
+ char *export = NULL;
+
+ ms = mnt3prog.private;
+ export = (char *)expname;
+ while (*export == '/')
+ export++;
+ __mnt3svc_umount (ms, export, hostname);
+ return 0;
+}
+
struct mnt3_export *
mnt3_init_export_ent (struct mount3_state *ms, xlator_t *xl, char *exportpath,
@@ -1785,6 +1869,7 @@ rpcsvc_program_t mnt3prog = {
};
+
rpcsvc_program_t *
mnt3svc_init (xlator_t *nfsx)
{
@@ -1793,6 +1878,7 @@ mnt3svc_init (xlator_t *nfsx)
dict_t *options = NULL;
char *portstr = NULL;
int ret = -1;
+ pthread_t udp_thread;
if (!nfsx || !nfsx->private)
return NULL;
@@ -1842,6 +1928,9 @@ mnt3svc_init (xlator_t *nfsx)
goto err;
}
+ if (nfs->mount_udp) {
+ pthread_create (&udp_thread, NULL, mount3udp_thread, NULL);
+ }
return &mnt3prog;
err:
return NULL;
@@ -1930,5 +2019,3 @@ mnt1svc_init (xlator_t *nfsx)
err:
return NULL;
}
-
-
diff --git a/xlators/nfs/server/src/mount3udp_svc.c b/xlators/nfs/server/src/mount3udp_svc.c
new file mode 100644
index 00000000000..2c370a74a96
--- /dev/null
+++ b/xlators/nfs/server/src/mount3udp_svc.c
@@ -0,0 +1,201 @@
+/*
+ Copyright (c) 2012 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "xdr-nfs3.h"
+#include "logging.h"
+#include "mem-pool.h"
+#include "nfs-mem-types.h"
+#include "mount3.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <rpc/pmap_clnt.h>
+#include <string.h>
+#include <memory.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+
+extern struct nfs3_fh* nfs3_rootfh (char *dp);
+extern mountres3 mnt3svc_set_mountres3 (mountstat3 stat, struct nfs3_fh *fh,
+ int *authflavor, u_int aflen);
+extern int
+mount3udp_add_mountlist (char *host, dirpath *expname);
+
+extern int
+mount3udp_delete_mountlist (char *host, dirpath *expname);
+
+
+/* only this thread will use this, no locking needed */
+char mnthost[INET_ADDRSTRLEN+1];
+
+mountres3 *
+mountudpproc3_mnt_3_svc(dirpath **dpp, struct svc_req *req)
+{
+ struct mountres3 *res = NULL;
+ int *autharr = NULL;
+ struct nfs3_fh *fh = NULL;
+ char *tmp = NULL;
+
+ tmp = (char *)*dpp;
+ while (*tmp == '/')
+ tmp++;
+ fh = nfs3_rootfh (tmp);
+ if (fh == NULL) {
+ gf_log (GF_MNT, GF_LOG_DEBUG, "unable to get fh for %s", tmp);
+ goto err;
+ }
+
+ res = GF_CALLOC (1, sizeof(*res), gf_nfs_mt_mountres3);
+ if (res == NULL) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "unable to allocate memory");
+ goto err;
+ }
+ autharr = GF_CALLOC (1, sizeof(*autharr), gf_nfs_mt_int);
+ if (autharr == NULL) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "unable to allocate memory");
+ goto err;
+ }
+ autharr[0] = AUTH_UNIX;
+ *res = mnt3svc_set_mountres3 (MNT3_OK, fh, autharr, 1);
+ mount3udp_add_mountlist (mnthost, *dpp);
+ return res;
+
+ err:
+ if (fh)
+ GF_FREE (fh);
+ if (res)
+ GF_FREE (res);
+ if (autharr)
+ GF_FREE (autharr);
+ return NULL;
+}
+
+mountstat3 *
+mountudpproc3_umnt_3_svc(dirpath **dp, struct svc_req *req)
+{
+ mountstat3 *stat = NULL;
+
+ stat = GF_CALLOC (1, sizeof(mountstat3), gf_nfs_mt_mountstat3);
+ if (stat == NULL) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "unable to allocate memory");
+ return NULL;
+ }
+ *stat = MNT3_OK;
+ mount3udp_delete_mountlist (mnthost, *dp);
+ return stat;
+}
+
+static void
+mountudp_program_3(struct svc_req *rqstp, register SVCXPRT *transp)
+{
+ union {
+ dirpath mountudpproc3_mnt_3_arg;
+ } argument;
+ char *result = NULL;
+ xdrproc_t _xdr_argument = NULL, _xdr_result = NULL;
+ char *(*local)(char *, struct svc_req *) = NULL;
+ mountres3 *res = NULL;
+ struct sockaddr_in *sin = NULL;
+
+ sin = svc_getcaller (transp);
+ inet_ntop (AF_INET, &sin->sin_addr, mnthost, INET_ADDRSTRLEN+1);
+
+ switch (rqstp->rq_proc) {
+ case NULLPROC:
+ (void) svc_sendreply (transp, (xdrproc_t) xdr_void,
+ (char *)NULL);
+ return;
+
+ case MOUNT3_MNT:
+ _xdr_argument = (xdrproc_t) xdr_dirpath;
+ _xdr_result = (xdrproc_t) xdr_mountres3;
+ local = (char *(*)(char *,
+ struct svc_req *)) mountudpproc3_mnt_3_svc;
+ break;
+
+ case MOUNT3_UMNT:
+ _xdr_argument = (xdrproc_t) xdr_dirpath;
+ _xdr_result = (xdrproc_t) xdr_mountstat3;
+ local = (char *(*)(char *,
+ struct svc_req *)) mountudpproc3_umnt_3_svc;
+ break;
+
+ default:
+ svcerr_noproc (transp);
+ return;
+ }
+ memset ((char *)&argument, 0, sizeof (argument));
+ if (!svc_getargs (transp, (xdrproc_t) _xdr_argument,
+ (caddr_t) &argument)) {
+ svcerr_decode (transp);
+ return;
+ }
+ result = (*local)((char *)&argument, rqstp);
+ if (result == NULL) {
+ gf_log (GF_MNT, GF_LOG_DEBUG, "PROC returned error");
+ svcerr_systemerr (transp);
+ }
+ if (result != NULL && !svc_sendreply(transp, (xdrproc_t) _xdr_result,
+ result)) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "svc_sendreply returned error");
+ svcerr_systemerr (transp);
+ }
+ if (!svc_freeargs (transp, (xdrproc_t) _xdr_argument,
+ (caddr_t) &argument)) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "unable to free arguments");
+ }
+ if (result == NULL)
+ return;
+ /* free the result */
+ switch (rqstp->rq_proc) {
+ case MOUNT3_MNT:
+ res = (mountres3 *) result;
+ GF_FREE (res->mountres3_u.mountinfo.fhandle.fhandle3_val);
+ GF_FREE (res->mountres3_u.mountinfo.auth_flavors.auth_flavors_val);
+ GF_FREE (res);
+ break;
+
+ case MOUNT3_UMNT:
+ GF_FREE (result);
+ break;
+ }
+ return;
+}
+
+void *
+mount3udp_thread (void *argv)
+{
+ register SVCXPRT *transp = NULL;
+
+ transp = svcudp_create(RPC_ANYSOCK);
+ if (transp == NULL) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "svcudp_create error");
+ return NULL;
+ }
+ if (!svc_register(transp, MOUNT_PROGRAM, MOUNT_V3,
+ mountudp_program_3, IPPROTO_UDP)) {
+ gf_log (GF_MNT, GF_LOG_ERROR, "svc_register error");
+ return NULL;
+ }
+
+ svc_run ();
+ gf_log (GF_MNT, GF_LOG_ERROR, "svc_run returned");
+ return NULL;
+}
diff --git a/xlators/nfs/server/src/nfs-mem-types.h b/xlators/nfs/server/src/nfs-mem-types.h
index 1a3b25281ba..d9edc95b90c 100644
--- a/xlators/nfs/server/src/nfs-mem-types.h
+++ b/xlators/nfs/server/src/nfs-mem-types.h
@@ -37,15 +37,19 @@ enum gf_nfs_mem_types_ {
gf_nfs_mt_entry3,
gf_nfs_mt_entryp3,
gf_nfs_mt_nfs3_fd_entry,
+ gf_nfs_mt_nfs3_fh,
gf_nfs_mt_nfs_initer_list,
gf_nfs_mt_xlator_t,
gf_nfs_mt_list_head,
gf_nfs_mt_mnt3_resolve,
gf_nfs_mt_mnt3_export,
+ gf_nfs_mt_int,
+ gf_nfs_mt_mountres3,
+ gf_nfs_mt_mountstat3,
gf_nfs_mt_inode_q,
- gf_nfs_mt_nlm4_state,
- gf_nfs_mt_nlm4_cm,
- gf_nfs_mt_nlm4_fde,
+ gf_nfs_mt_nlm4_state,
+ gf_nfs_mt_nlm4_cm,
+ gf_nfs_mt_nlm4_fde,
gf_nfs_mt_nlm4_nlmclnt,
gf_nfs_mt_nlm4_share,
gf_nfs_mt_end
diff --git a/xlators/nfs/server/src/nfs.c b/xlators/nfs/server/src/nfs.c
index a48e114999a..6e9a274d980 100644
--- a/xlators/nfs/server/src/nfs.c
+++ b/xlators/nfs/server/src/nfs.c
@@ -651,6 +651,25 @@ nfs_init_state (xlator_t *this)
}
}
+ nfs->mount_udp = 0;
+ if (dict_get(this->options, "nfs.mount-udp")) {
+ ret = dict_get_str (this->options, "nfs.mount-udp", &optstr);
+ if (ret == -1) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to parse dict");
+ goto free_foppool;
+ }
+
+ ret = gf_string2boolean (optstr, &boolt);
+ if (ret < 0) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to parse bool "
+ "string");
+ goto free_foppool;
+ }
+
+ if (boolt == _gf_true)
+ nfs->mount_udp = 1;
+ }
+
/* support both options rpc-auth.ports.insecure and
* rpc-auth-allow-insecure for backward compatibility
*/
@@ -1187,6 +1206,13 @@ struct volume_options options[] = {
" Set it to 'on' to re-enable it. Default value: 'on'"
},
+ { .key = {"nfs.mount-udp"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .description = "set the option to 'on' to enable mountd on UDP. "
+ "Needed by Solaris NFS clients if NLM support is"
+ "needed"
+ },
+
{ .key = {NULL} },
};
diff --git a/xlators/nfs/server/src/nfs.h b/xlators/nfs/server/src/nfs.h
index 0c9721244c6..4c6d039f8d2 100644
--- a/xlators/nfs/server/src/nfs.h
+++ b/xlators/nfs/server/src/nfs.h
@@ -86,6 +86,7 @@ struct nfs_state {
unsigned int override_portnum;
int allow_insecure;
int enable_nlm;
+ int mount_udp;
struct rpc_clnt *rpc_clnt;
};
diff --git a/xlators/nfs/server/src/nfs3-fh.c b/xlators/nfs/server/src/nfs3-fh.c
index 9aea881379e..f41c3f2f1e8 100644
--- a/xlators/nfs/server/src/nfs3-fh.c
+++ b/xlators/nfs/server/src/nfs3-fh.c
@@ -229,6 +229,18 @@ done:
return 0;
}
+int
+nfs3_build_fh (inode_t *inode, uuid_t exportid, struct nfs3_fh *newfh)
+{
+ if (!newfh || !inode)
+ return -1;
+
+ newfh->ident[0] = GF_NFSFH_IDENT0;
+ newfh->ident[1] = GF_NFSFH_IDENT1;
+ uuid_copy (newfh->gfid, inode->gfid);
+ uuid_copy (newfh->exportid, exportid);
+ return 0;
+}
int
nfs3_fh_build_child_fh (struct nfs3_fh *parent, struct iatt *newstat,
diff --git a/xlators/nfs/server/src/nfs3-fh.h b/xlators/nfs/server/src/nfs3-fh.h
index e7c0625ee16..3be043ed3c9 100644
--- a/xlators/nfs/server/src/nfs3-fh.h
+++ b/xlators/nfs/server/src/nfs3-fh.h
@@ -115,4 +115,8 @@ nfs3_fh_build_parent_fh (struct nfs3_fh *child, struct iatt *newstat,
extern struct nfs3_fh
nfs3_fh_build_uuid_root_fh (uuid_t volumeid);
+
+extern int
+nfs3_build_fh (inode_t *inode, uuid_t exportid, struct nfs3_fh *newfh);
+
#endif