#include <config.h>
#endif
-#include <ctype.h>
#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
#include <errno.h>
#include <netdb.h>
#include <time.h>
#include "xcommon.h"
#include "mount.h"
#include "nls.h"
-#include "nfs_mount.h"
#include "mount_constants.h"
#include "stropts.h"
#include "error.h"
#include "version.h"
#include "parse_dev.h"
-#ifdef HAVE_RPCSVC_NFS_PROT_H
-#include <rpcsvc/nfs_prot.h>
-#else
-#include <linux/nfs.h>
-#define nfsstat nfs_stat
+#ifndef NFS_PROGRAM
+#define NFS_PROGRAM (100003)
#endif
#ifndef NFS_PORT
-#define NFS_PORT 2049
+#define NFS_PORT (2049)
#endif
#ifndef NFS_MAXHOSTNAME
static time_t nfs_parse_retry_option(struct mount_options *options,
unsigned int timeout_minutes)
{
- char *retry_option, *endptr;
-
- retry_option = po_get(options, "retry");
- if (retry_option) {
- long tmp;
+ long tmp;
- errno = 0;
- tmp = strtol(retry_option, &endptr, 10);
- if (errno == 0 && endptr != retry_option && tmp >= 0)
+ switch (po_get_numeric(options, "retry", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp >= 0) {
timeout_minutes = tmp;
- else if (verbose)
+ break;
+ }
+ case PO_BAD_VALUE:
+ if (verbose)
nfs_error(_("%s: invalid retry timeout was specified; "
"using default timeout"), progname);
+ break;
}
return time(NULL) + (time_t)(timeout_minutes * 60);
* Returns zero if the "lock" option is in effect, but statd
* can't be started. Otherwise, returns 1.
*/
-static int verify_lock_option(struct mount_options *options)
+static const char *nfs_lock_opttbl[] = {
+ "nolock",
+ "lock",
+ NULL,
+};
+
+static int nfs_verify_lock_option(struct mount_options *options)
{
- if (po_rightmost(options, "nolock", "lock") == PO_KEY1_RIGHTMOST)
+ if (po_rightmost(options, nfs_lock_opttbl) == 1)
return 1;
if (!start_statd()) {
} else {
if (!nfs_fix_mounthost_option(mi->family, mi->options))
return 0;
- if (!mi->fake && !verify_lock_option(mi->options))
+ if (!mi->fake && !nfs_verify_lock_option(mi->options))
return 0;
}
* passed-in error is permanent, thus the mount system call
* should not be retried.
*/
-static int is_permanent_error(int error)
+static int nfs_is_permanent_error(int error)
{
switch (error) {
case ESTALE:
*
* To handle version and transport protocol fallback properly, we
* need to parse some of the mount options in order to set up a
- * portmap probe. Mount options that rewrite_mount_options()
+ * portmap probe. Mount options that nfs_rewrite_mount_options()
* doesn't recognize are left alone.
*
* Returns a new group of mount options if successful; otherwise
* NULL is returned if some failure occurred.
*/
-static struct mount_options *rewrite_mount_options(char *str)
+static struct mount_options *nfs_rewrite_mount_options(char *str)
{
struct mount_options *options;
char *option, new_option[64];
clnt_addr_t mnt_server = { };
clnt_addr_t nfs_server = { };
- int p;
options = po_split(str);
if (!options) {
memcpy(&mnt_server.saddr, &nfs_server.saddr,
sizeof(mnt_server.saddr));
- option = po_get(options, "mountport");
- if (option)
- mnt_server.pmap.pm_port = atoi(option);
- mnt_server.pmap.pm_prog = MOUNTPROG;
- option = po_get(options, "mountvers");
- if (option)
- mnt_server.pmap.pm_vers = atoi(option);
+ nfs_options2pmap(options, &nfs_server.pmap, &mnt_server.pmap);
- option = po_get(options, "port");
- if (option) {
- nfs_server.pmap.pm_port = atoi(option);
- po_remove_all(options, "port");
- }
+ /* The kernel NFS client doesn't support changing the RPC program
+ * number for these services, so reset these fields before probing
+ * the server's ports. */
nfs_server.pmap.pm_prog = NFS_PROGRAM;
-
- option = po_get(options, "nfsvers");
- if (option) {
- nfs_server.pmap.pm_vers = atoi(option);
- po_remove_all(options, "nfsvers");
- }
- option = po_get(options, "vers");
- if (option) {
- nfs_server.pmap.pm_vers = atoi(option);
- po_remove_all(options, "vers");
- }
- option = po_get(options, "proto");
- if (option) {
- if (strcmp(option, "tcp") == 0) {
- nfs_server.pmap.pm_prot = IPPROTO_TCP;
- po_remove_all(options, "proto");
- }
- if (strcmp(option, "udp") == 0) {
- nfs_server.pmap.pm_prot = IPPROTO_UDP;
- po_remove_all(options, "proto");
- }
- }
- p = po_rightmost(options, "tcp", "udp");
- switch (p) {
- case PO_KEY2_RIGHTMOST:
- nfs_server.pmap.pm_prot = IPPROTO_UDP;
- break;
- case PO_KEY1_RIGHTMOST:
- nfs_server.pmap.pm_prot = IPPROTO_TCP;
- break;
- }
- po_remove_all(options, "tcp");
- po_remove_all(options, "udp");
+ mnt_server.pmap.pm_prog = MOUNTPROG;
if (!probe_bothports(&mnt_server, &nfs_server)) {
errno = ESPIPE;
}
+ if (mnt_server.pmap.pm_prot == IPPROTO_TCP)
+ snprintf(new_option, sizeof(new_option) - 1,
+ "mountproto=tcp");
+ else
+ snprintf(new_option, sizeof(new_option) - 1,
+ "mountproto=udp");
+ if (po_append(options, new_option) == PO_FAILED)
+ goto err;
+
+ snprintf(new_option, sizeof(new_option) - 1,
+ "mountport=%lu", mnt_server.pmap.pm_port);
+ if (po_append(options, new_option) == PO_FAILED)
+ goto err;
+
errno = 0;
return options;
char *retry_str = NULL;
char **extra_opts = mi->extra_opts;
- retry_options = rewrite_mount_options(*extra_opts);
+ retry_options = nfs_rewrite_mount_options(*extra_opts);
if (!retry_options)
return 0;
if (nfs_try_mount(mi))
return EX_SUCCESS;
- if (is_permanent_error(errno))
+ if (nfs_is_permanent_error(errno))
break;
if (time(NULL) > timeout) {
if (nfs_try_mount(mi))
return EX_SUCCESS;
- if (is_permanent_error(errno)) {
+ if (nfs_is_permanent_error(errno)) {
mount_error(mi->spec, mi->node, errno);
return EX_FAIL;
}
if (nfs_try_mount(mi))
return EX_SUCCESS;
- if (is_permanent_error(errno))
+ if (nfs_is_permanent_error(errno))
break;
if (time(NULL) > timeout)
*
* Returns a valid mount command exit code.
*/
+static const char *nfs_background_opttbl[] = {
+ "bg",
+ "fg",
+ NULL,
+};
+
static int nfsmount_start(struct nfsmount_info *mi)
{
if (!nfs_validate_options(mi))
return EX_FAIL;
- if (po_rightmost(mi->options, "bg", "fg") == PO_KEY1_RIGHTMOST)
+ if (po_rightmost(mi->options, nfs_background_opttbl) == 1)
return nfsmount_bg(mi);
else
return nfsmount_fg(mi);
projects / nfs-utils.git / blobdiff