2000-02-08 19:58:47 +00:00
|
|
|
|
/* vi: set sw=4 ts=4: */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
/*
|
|
|
|
|
* nfsmount.c -- Linux NFS mount
|
|
|
|
|
* Copyright (C) 1993 Rick Sladkey <jrs@world.std.com>
|
|
|
|
|
*
|
|
|
|
|
* This program 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 2, or (at your option)
|
|
|
|
|
* any later version.
|
|
|
|
|
*
|
|
|
|
|
* This program 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.
|
|
|
|
|
*
|
|
|
|
|
* Wed Feb 8 12:51:48 1995, biro@yggdrasil.com (Ross Biro): allow all port
|
|
|
|
|
* numbers to be specified on the command line.
|
|
|
|
|
*
|
|
|
|
|
* Fri, 8 Mar 1996 18:01:39, Swen Thuemmler <swen@uni-paderborn.de>:
|
|
|
|
|
* Omit the call to connect() for Linux version 1.3.11 or later.
|
|
|
|
|
*
|
|
|
|
|
* Wed Oct 1 23:55:28 1997: Dick Streefland <dick_streefland@tasking.com>
|
|
|
|
|
* Implemented the "bg", "fg" and "retry" mount options for NFS.
|
|
|
|
|
*
|
|
|
|
|
* 1999-02-22 Arkadiusz Mi<EFBFBD>kiewicz <misiek@misiek.eu.org>
|
|
|
|
|
* - added Native Language Support
|
|
|
|
|
*
|
2000-07-10 23:39:44 +00:00
|
|
|
|
* Modified by Olaf Kirch and Trond Myklebust for new NFS code,
|
|
|
|
|
* plus NFSv3 stuff.
|
1999-11-18 07:58:07 +00:00
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* nfsmount.c,v 1.1.1.1 1993/11/18 08:40:51 jrs Exp
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <unistd.h>
|
|
|
|
|
#include <stdio.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <netdb.h>
|
|
|
|
|
#include <rpc/rpc.h>
|
|
|
|
|
#include <rpc/pmap_prot.h>
|
|
|
|
|
#include <rpc/pmap_clnt.h>
|
|
|
|
|
#include <sys/socket.h>
|
|
|
|
|
#include <sys/time.h>
|
|
|
|
|
#include <sys/utsname.h>
|
|
|
|
|
#include <sys/stat.h>
|
|
|
|
|
#include <netinet/in.h>
|
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
|
|
|
|
|
|
#include "nfsmount.h"
|
2000-07-10 23:39:44 +00:00
|
|
|
|
#include <linux/nfs.h> /* For the kernels nfs stuff */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Disable the nls stuff */
|
|
|
|
|
# undef bindtextdomain
|
|
|
|
|
# define bindtextdomain(Domain, Directory) /* empty */
|
|
|
|
|
# undef textdomain
|
|
|
|
|
# define textdomain(Domain) /* empty */
|
|
|
|
|
# define _(Text) (Text)
|
|
|
|
|
# define N_(Text) (Text)
|
|
|
|
|
|
|
|
|
|
#define MS_MGC_VAL 0xc0ed0000 /* Magic number indicatng "new" flags */
|
|
|
|
|
#define MS_RDONLY 1 /* Mount read-only */
|
|
|
|
|
#define MS_NOSUID 2 /* Ignore suid and sgid bits */
|
|
|
|
|
#define MS_NODEV 4 /* Disallow access to device special files */
|
|
|
|
|
#define MS_NOEXEC 8 /* Disallow program execution */
|
|
|
|
|
#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
|
|
|
|
|
#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
|
|
|
|
|
#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
|
|
|
|
|
#define S_QUOTA 128 /* Quota initialized for file/directory/symlink */
|
|
|
|
|
#define S_APPEND 256 /* Append-only file */
|
|
|
|
|
#define S_IMMUTABLE 512 /* Immutable file */
|
|
|
|
|
#define MS_NOATIME 1024 /* Do not update access times. */
|
|
|
|
|
#define MS_NODIRATIME 2048 /* Do not update directory access times */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
/*
|
|
|
|
|
* We want to be able to compile mount on old kernels in such a way
|
|
|
|
|
* that the binary will work well on more recent kernels.
|
|
|
|
|
* Thus, if necessary we teach nfsmount.c the structure of new fields
|
|
|
|
|
* that will come later.
|
|
|
|
|
*
|
|
|
|
|
* Moreover, the new kernel includes conflict with glibc includes
|
|
|
|
|
* so it is easiest to ignore the kernel altogether (at compile time).
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define NFS_MOUNT_VERSION 4
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
struct nfs2_fh {
|
|
|
|
|
char data[32];
|
|
|
|
|
};
|
|
|
|
|
struct nfs3_fh {
|
|
|
|
|
unsigned short size;
|
|
|
|
|
unsigned char data[64];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct nfs_mount_data {
|
|
|
|
|
int version; /* 1 */
|
|
|
|
|
int fd; /* 1 */
|
|
|
|
|
struct nfs2_fh old_root; /* 1 */
|
|
|
|
|
int flags; /* 1 */
|
|
|
|
|
int rsize; /* 1 */
|
|
|
|
|
int wsize; /* 1 */
|
|
|
|
|
int timeo; /* 1 */
|
|
|
|
|
int retrans; /* 1 */
|
|
|
|
|
int acregmin; /* 1 */
|
|
|
|
|
int acregmax; /* 1 */
|
|
|
|
|
int acdirmin; /* 1 */
|
|
|
|
|
int acdirmax; /* 1 */
|
|
|
|
|
struct sockaddr_in addr; /* 1 */
|
|
|
|
|
char hostname[256]; /* 1 */
|
|
|
|
|
int namlen; /* 2 */
|
|
|
|
|
unsigned int bsize; /* 3 */
|
|
|
|
|
struct nfs3_fh root; /* 4 */
|
|
|
|
|
};
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
/* bits in the flags field */
|
|
|
|
|
|
|
|
|
|
#define NFS_MOUNT_SOFT 0x0001 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_INTR 0x0002 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_SECURE 0x0004 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_POSIX 0x0008 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_NOCTO 0x0010 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_NOAC 0x0020 /* 1 */
|
|
|
|
|
#define NFS_MOUNT_TCP 0x0040 /* 2 */
|
|
|
|
|
#define NFS_MOUNT_VER3 0x0080 /* 3 */
|
|
|
|
|
#define NFS_MOUNT_KERBEROS 0x0100 /* 3 */
|
|
|
|
|
#define NFS_MOUNT_NONLM 0x0200 /* 3 */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define UTIL_LINUX_VERSION "2.10m"
|
|
|
|
|
#define util_linux_version "util-linux-2.10m"
|
|
|
|
|
|
|
|
|
|
#define HAVE_inet_aton
|
|
|
|
|
#define HAVE_scsi_h
|
|
|
|
|
#define HAVE_blkpg_h
|
|
|
|
|
#define HAVE_kd_h
|
|
|
|
|
#define HAVE_termcap
|
|
|
|
|
#define HAVE_locale_h
|
|
|
|
|
#define HAVE_libintl_h
|
|
|
|
|
#define ENABLE_NLS
|
|
|
|
|
#define HAVE_langinfo_h
|
|
|
|
|
#define HAVE_progname
|
|
|
|
|
#define HAVE_openpty
|
|
|
|
|
#define HAVE_nanosleep
|
|
|
|
|
#define HAVE_personality
|
|
|
|
|
#define HAVE_tm_gmtoff
|
|
|
|
|
|
|
|
|
|
extern char *xstrdup (const char *s);
|
|
|
|
|
extern char *xstrndup (const char *s, int n);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
static char *nfs_strerror(int stat);
|
|
|
|
|
|
|
|
|
|
#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
|
2000-07-10 23:39:44 +00:00
|
|
|
|
#define MAX_NFSPROT ((nfs_mount_version >= 4) ? 3 : 2)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
#define EX_FAIL 32 /* mount failure */
|
|
|
|
|
#define EX_BG 256 /* retry in background (internal only) */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
linux_version_code(void) {
|
1999-11-18 07:58:07 +00:00
|
|
|
|
struct utsname my_utsname;
|
|
|
|
|
int p, q, r;
|
|
|
|
|
|
|
|
|
|
if (uname(&my_utsname) == 0) {
|
|
|
|
|
p = atoi(strtok(my_utsname.release, "."));
|
|
|
|
|
q = atoi(strtok(NULL, "."));
|
|
|
|
|
r = atoi(strtok(NULL, "."));
|
2000-07-10 23:39:44 +00:00
|
|
|
|
return MAKE_VERSION(p,q,r);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
2000-07-10 23:39:44 +00:00
|
|
|
|
* nfs_mount_version according to the sources seen at compile time.
|
1999-11-18 07:58:07 +00:00
|
|
|
|
*/
|
2000-07-10 23:39:44 +00:00
|
|
|
|
int nfs_mount_version = NFS_MOUNT_VERSION;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Unfortunately, the kernel prints annoying console messages
|
|
|
|
|
* in case of an unexpected nfs mount version (instead of
|
|
|
|
|
* just returning some error). Therefore we'll have to try
|
|
|
|
|
* and figure out what version the kernel expects.
|
|
|
|
|
*
|
|
|
|
|
* Variables:
|
|
|
|
|
* KERNEL_NFS_MOUNT_VERSION: kernel sources at compile time
|
|
|
|
|
* NFS_MOUNT_VERSION: these nfsmount sources at compile time
|
|
|
|
|
* nfs_mount_version: version this source and running kernel can handle
|
|
|
|
|
*/
|
2000-07-10 23:39:44 +00:00
|
|
|
|
static void
|
|
|
|
|
find_kernel_nfs_mount_version(void) {
|
|
|
|
|
static int kernel_version = 0;
|
|
|
|
|
|
|
|
|
|
if (kernel_version)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
kernel_version = linux_version_code();
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
if (kernel_version) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (kernel_version < MAKE_VERSION(2,1,32))
|
|
|
|
|
nfs_mount_version = 1;
|
|
|
|
|
else if (kernel_version < MAKE_VERSION(2,3,99))
|
|
|
|
|
nfs_mount_version = 3;
|
|
|
|
|
else
|
|
|
|
|
nfs_mount_version = 4; /* since 2.3.99pre4 */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
if (nfs_mount_version > NFS_MOUNT_VERSION)
|
2000-07-10 23:39:44 +00:00
|
|
|
|
nfs_mount_version = NFS_MOUNT_VERSION;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
static struct pmap *
|
|
|
|
|
get_mountport(struct sockaddr_in *server_addr,
|
|
|
|
|
long unsigned prog,
|
|
|
|
|
long unsigned version,
|
|
|
|
|
long unsigned proto,
|
|
|
|
|
long unsigned port)
|
|
|
|
|
{
|
|
|
|
|
struct pmaplist *pmap;
|
|
|
|
|
static struct pmap p = {0, 0, 0, 0};
|
|
|
|
|
|
|
|
|
|
server_addr->sin_port = PMAPPORT;
|
|
|
|
|
pmap = pmap_getmaps(server_addr);
|
|
|
|
|
|
|
|
|
|
if (version > MAX_NFSPROT)
|
|
|
|
|
version = MAX_NFSPROT;
|
|
|
|
|
if (!prog)
|
|
|
|
|
prog = MOUNTPROG;
|
|
|
|
|
p.pm_prog = prog;
|
|
|
|
|
p.pm_vers = version;
|
|
|
|
|
p.pm_prot = proto;
|
|
|
|
|
p.pm_port = port;
|
|
|
|
|
|
|
|
|
|
while (pmap) {
|
|
|
|
|
if (pmap->pml_map.pm_prog != prog)
|
|
|
|
|
goto next;
|
|
|
|
|
if (!version && p.pm_vers > pmap->pml_map.pm_vers)
|
|
|
|
|
goto next;
|
|
|
|
|
if (version > 2 && pmap->pml_map.pm_vers != version)
|
|
|
|
|
goto next;
|
|
|
|
|
if (version && version <= 2 && pmap->pml_map.pm_vers > 2)
|
|
|
|
|
goto next;
|
|
|
|
|
if (pmap->pml_map.pm_vers > MAX_NFSPROT ||
|
|
|
|
|
(proto && p.pm_prot && pmap->pml_map.pm_prot != proto) ||
|
|
|
|
|
(port && pmap->pml_map.pm_port != port))
|
|
|
|
|
goto next;
|
|
|
|
|
memcpy(&p, &pmap->pml_map, sizeof(p));
|
|
|
|
|
next:
|
|
|
|
|
pmap = pmap->pml_next;
|
|
|
|
|
}
|
|
|
|
|
if (!p.pm_vers)
|
|
|
|
|
p.pm_vers = MOUNTVERS;
|
|
|
|
|
if (!p.pm_port)
|
|
|
|
|
p.pm_port = MOUNTPORT;
|
|
|
|
|
if (!p.pm_prot)
|
|
|
|
|
p.pm_prot = IPPROTO_TCP;
|
|
|
|
|
return &p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int nfsmount(const char *spec, const char *node, int *flags,
|
|
|
|
|
char **extra_opts, char **mount_opts, int running_bg)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
|
|
|
|
static char *prev_bg_host;
|
|
|
|
|
char hostdir[1024];
|
|
|
|
|
CLIENT *mclient;
|
|
|
|
|
char *hostname;
|
|
|
|
|
char *dirname;
|
|
|
|
|
char *old_opts;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
char *mounthost=NULL;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
char new_opts[1024];
|
|
|
|
|
struct timeval total_timeout;
|
|
|
|
|
enum clnt_stat clnt_stat;
|
|
|
|
|
static struct nfs_mount_data data;
|
|
|
|
|
char *opt, *opteq;
|
|
|
|
|
int val;
|
|
|
|
|
struct hostent *hp;
|
|
|
|
|
struct sockaddr_in server_addr;
|
|
|
|
|
struct sockaddr_in mount_server_addr;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
struct pmap* pm_mnt;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
int msock, fsock;
|
|
|
|
|
struct timeval retry_timeout;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
union {
|
|
|
|
|
struct fhstatus nfsv2;
|
|
|
|
|
struct mountres3 nfsv3;
|
|
|
|
|
} status;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
struct stat statbuf;
|
|
|
|
|
char *s;
|
|
|
|
|
int port;
|
|
|
|
|
int mountport;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
int proto;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
int bg;
|
|
|
|
|
int soft;
|
|
|
|
|
int intr;
|
|
|
|
|
int posix;
|
|
|
|
|
int nocto;
|
|
|
|
|
int noac;
|
|
|
|
|
int nolock;
|
|
|
|
|
int retry;
|
|
|
|
|
int tcp;
|
|
|
|
|
int mountprog;
|
|
|
|
|
int mountvers;
|
|
|
|
|
int nfsprog;
|
|
|
|
|
int nfsvers;
|
|
|
|
|
int retval;
|
|
|
|
|
time_t t;
|
|
|
|
|
time_t prevt;
|
|
|
|
|
time_t timeout;
|
|
|
|
|
|
|
|
|
|
find_kernel_nfs_mount_version();
|
|
|
|
|
|
|
|
|
|
retval = EX_FAIL;
|
|
|
|
|
msock = fsock = -1;
|
|
|
|
|
mclient = NULL;
|
|
|
|
|
if (strlen(spec) >= sizeof(hostdir)) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("excessively long host:dir argument\n");
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
strcpy(hostdir, spec);
|
|
|
|
|
if ((s = strchr(hostdir, ':'))) {
|
|
|
|
|
hostname = hostdir;
|
|
|
|
|
dirname = s + 1;
|
|
|
|
|
*s = '\0';
|
|
|
|
|
/* Ignore all but first hostname in replicated mounts
|
|
|
|
|
until they can be fully supported. (mack@sgi.com) */
|
|
|
|
|
if ((s = strchr(hostdir, ','))) {
|
|
|
|
|
*s = '\0';
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("warning: multiple hostnames not supported\n");
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
} else {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("directory to mount not in host:dir format\n");
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
server_addr.sin_family = AF_INET;
|
|
|
|
|
#ifdef HAVE_inet_aton
|
|
|
|
|
if (!inet_aton(hostname, &server_addr.sin_addr))
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
if ((hp = gethostbyname(hostname)) == NULL) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("can't get address for %s\n", hostname);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
} else {
|
|
|
|
|
if (hp->h_length > sizeof(struct in_addr)) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("got bad hp->h_length\n");
|
1999-11-18 07:58:07 +00:00
|
|
|
|
hp->h_length = sizeof(struct in_addr);
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
memcpy(&server_addr.sin_addr,
|
|
|
|
|
hp->h_addr, hp->h_length);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
memcpy (&mount_server_addr, &server_addr, sizeof (mount_server_addr));
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
/* add IP address to mtab options for use when unmounting */
|
|
|
|
|
|
|
|
|
|
s = inet_ntoa(server_addr.sin_addr);
|
|
|
|
|
old_opts = *extra_opts;
|
|
|
|
|
if (!old_opts)
|
|
|
|
|
old_opts = "";
|
|
|
|
|
if (strlen(old_opts) + strlen(s) + 10 >= sizeof(new_opts)) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("excessively long option argument\n");
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
sprintf(new_opts, "%s%saddr=%s",
|
|
|
|
|
old_opts, *old_opts ? "," : "", s);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
*extra_opts = xstrdup(new_opts);
|
|
|
|
|
|
|
|
|
|
/* Set default options.
|
|
|
|
|
* rsize/wsize (and bsize, for ver >= 3) are left 0 in order to
|
|
|
|
|
* let the kernel decide.
|
|
|
|
|
* timeo is filled in after we know whether it'll be TCP or UDP. */
|
|
|
|
|
memset(&data, 0, sizeof(data));
|
2000-07-10 23:39:44 +00:00
|
|
|
|
data.retrans = 3;
|
|
|
|
|
data.acregmin = 3;
|
|
|
|
|
data.acregmax = 60;
|
|
|
|
|
data.acdirmin = 30;
|
|
|
|
|
data.acdirmax = 60;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#if NFS_MOUNT_VERSION >= 2
|
2000-07-10 23:39:44 +00:00
|
|
|
|
data.namlen = NAME_MAX;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
bg = 0;
|
|
|
|
|
soft = 0;
|
|
|
|
|
intr = 0;
|
|
|
|
|
posix = 0;
|
|
|
|
|
nocto = 0;
|
|
|
|
|
nolock = 0;
|
|
|
|
|
noac = 0;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
retry = 10000; /* 10000 minutes ~ 1 week */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
tcp = 0;
|
|
|
|
|
|
|
|
|
|
mountprog = MOUNTPROG;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
mountvers = 0;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
port = 0;
|
|
|
|
|
mountport = 0;
|
|
|
|
|
nfsprog = NFS_PROGRAM;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
nfsvers = 0;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
/* parse options */
|
|
|
|
|
|
|
|
|
|
for (opt = strtok(old_opts, ","); opt; opt = strtok(NULL, ",")) {
|
|
|
|
|
if ((opteq = strchr(opt, '='))) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
val = atoi(opteq + 1);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
*opteq = '\0';
|
|
|
|
|
if (!strcmp(opt, "rsize"))
|
|
|
|
|
data.rsize = val;
|
|
|
|
|
else if (!strcmp(opt, "wsize"))
|
|
|
|
|
data.wsize = val;
|
|
|
|
|
else if (!strcmp(opt, "timeo"))
|
|
|
|
|
data.timeo = val;
|
|
|
|
|
else if (!strcmp(opt, "retrans"))
|
|
|
|
|
data.retrans = val;
|
|
|
|
|
else if (!strcmp(opt, "acregmin"))
|
|
|
|
|
data.acregmin = val;
|
|
|
|
|
else if (!strcmp(opt, "acregmax"))
|
|
|
|
|
data.acregmax = val;
|
|
|
|
|
else if (!strcmp(opt, "acdirmin"))
|
|
|
|
|
data.acdirmin = val;
|
|
|
|
|
else if (!strcmp(opt, "acdirmax"))
|
|
|
|
|
data.acdirmax = val;
|
|
|
|
|
else if (!strcmp(opt, "actimeo")) {
|
|
|
|
|
data.acregmin = val;
|
|
|
|
|
data.acregmax = val;
|
|
|
|
|
data.acdirmin = val;
|
|
|
|
|
data.acdirmax = val;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
}
|
|
|
|
|
else if (!strcmp(opt, "retry"))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
retry = val;
|
|
|
|
|
else if (!strcmp(opt, "port"))
|
|
|
|
|
port = val;
|
|
|
|
|
else if (!strcmp(opt, "mountport"))
|
2000-07-10 23:39:44 +00:00
|
|
|
|
mountport = val;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
else if (!strcmp(opt, "mounthost"))
|
2000-07-10 23:39:44 +00:00
|
|
|
|
mounthost=xstrndup(opteq+1,
|
|
|
|
|
strcspn(opteq+1," \t\n\r,"));
|
1999-11-18 07:58:07 +00:00
|
|
|
|
else if (!strcmp(opt, "mountprog"))
|
|
|
|
|
mountprog = val;
|
|
|
|
|
else if (!strcmp(opt, "mountvers"))
|
|
|
|
|
mountvers = val;
|
|
|
|
|
else if (!strcmp(opt, "nfsprog"))
|
|
|
|
|
nfsprog = val;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
else if (!strcmp(opt, "nfsvers") ||
|
|
|
|
|
!strcmp(opt, "vers"))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
nfsvers = val;
|
|
|
|
|
else if (!strcmp(opt, "proto")) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!strncmp(opteq+1, "tcp", 3))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
tcp = 1;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
else if (!strncmp(opteq+1, "udp", 3))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
tcp = 0;
|
|
|
|
|
else
|
|
|
|
|
printf(_("Warning: Unrecognized proto= option.\n"));
|
|
|
|
|
} else if (!strcmp(opt, "namlen")) {
|
|
|
|
|
#if NFS_MOUNT_VERSION >= 2
|
|
|
|
|
if (nfs_mount_version >= 2)
|
|
|
|
|
data.namlen = val;
|
|
|
|
|
else
|
|
|
|
|
#endif
|
2000-07-10 23:39:44 +00:00
|
|
|
|
printf(_("Warning: Option namlen is not supported.\n"));
|
1999-11-18 07:58:07 +00:00
|
|
|
|
} else if (!strcmp(opt, "addr"))
|
2000-07-10 23:39:44 +00:00
|
|
|
|
/* ignore */;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
else {
|
|
|
|
|
printf(_("unknown nfs mount parameter: "
|
2000-07-10 23:39:44 +00:00
|
|
|
|
"%s=%d\n"), opt, val);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
}
|
|
|
|
|
else {
|
1999-11-18 07:58:07 +00:00
|
|
|
|
val = 1;
|
|
|
|
|
if (!strncmp(opt, "no", 2)) {
|
|
|
|
|
val = 0;
|
|
|
|
|
opt += 2;
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!strcmp(opt, "bg"))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
bg = val;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
else if (!strcmp(opt, "fg"))
|
1999-11-18 07:58:07 +00:00
|
|
|
|
bg = !val;
|
|
|
|
|
else if (!strcmp(opt, "soft"))
|
|
|
|
|
soft = val;
|
|
|
|
|
else if (!strcmp(opt, "hard"))
|
|
|
|
|
soft = !val;
|
|
|
|
|
else if (!strcmp(opt, "intr"))
|
|
|
|
|
intr = val;
|
|
|
|
|
else if (!strcmp(opt, "posix"))
|
|
|
|
|
posix = val;
|
|
|
|
|
else if (!strcmp(opt, "cto"))
|
|
|
|
|
nocto = !val;
|
|
|
|
|
else if (!strcmp(opt, "ac"))
|
|
|
|
|
noac = !val;
|
|
|
|
|
else if (!strcmp(opt, "tcp"))
|
|
|
|
|
tcp = val;
|
|
|
|
|
else if (!strcmp(opt, "udp"))
|
|
|
|
|
tcp = !val;
|
|
|
|
|
else if (!strcmp(opt, "lock")) {
|
|
|
|
|
if (nfs_mount_version >= 3)
|
|
|
|
|
nolock = !val;
|
|
|
|
|
else
|
2000-07-10 23:39:44 +00:00
|
|
|
|
printf(_("Warning: option nolock is not supported.\n"));
|
1999-11-18 07:58:07 +00:00
|
|
|
|
} else {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
printf(_("unknown nfs mount option: "
|
|
|
|
|
"%s%s\n"), val ? "" : "no", opt);
|
|
|
|
|
goto fail;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
proto = (tcp) ? IPPROTO_TCP : IPPROTO_UDP;
|
|
|
|
|
|
1999-11-18 07:58:07 +00:00
|
|
|
|
data.flags = (soft ? NFS_MOUNT_SOFT : 0)
|
|
|
|
|
| (intr ? NFS_MOUNT_INTR : 0)
|
|
|
|
|
| (posix ? NFS_MOUNT_POSIX : 0)
|
|
|
|
|
| (nocto ? NFS_MOUNT_NOCTO : 0)
|
|
|
|
|
| (noac ? NFS_MOUNT_NOAC : 0);
|
|
|
|
|
#if NFS_MOUNT_VERSION >= 2
|
|
|
|
|
if (nfs_mount_version >= 2)
|
|
|
|
|
data.flags |= (tcp ? NFS_MOUNT_TCP : 0);
|
|
|
|
|
#endif
|
|
|
|
|
#if NFS_MOUNT_VERSION >= 3
|
|
|
|
|
if (nfs_mount_version >= 3)
|
|
|
|
|
data.flags |= (nolock ? NFS_MOUNT_NONLM : 0);
|
|
|
|
|
#endif
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (nfsvers > MAX_NFSPROT) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("NFSv%d not supported!\n", nfsvers);
|
2000-07-10 23:39:44 +00:00
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
if (mountvers > MAX_NFSPROT) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("NFSv%d not supported!\n", nfsvers);
|
2000-07-10 23:39:44 +00:00
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
if (nfsvers && !mountvers)
|
|
|
|
|
mountvers = (nfsvers < 3) ? 1 : nfsvers;
|
|
|
|
|
if (nfsvers && nfsvers < mountvers) {
|
|
|
|
|
mountvers = nfsvers;
|
|
|
|
|
}
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
/* Adjust options if none specified */
|
|
|
|
|
if (!data.timeo)
|
|
|
|
|
data.timeo = tcp ? 70 : 7;
|
|
|
|
|
|
|
|
|
|
#ifdef NFS_MOUNT_DEBUG
|
|
|
|
|
printf("rsize = %d, wsize = %d, timeo = %d, retrans = %d\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
data.rsize, data.wsize, data.timeo, data.retrans);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
printf("acreg (min, max) = (%d, %d), acdir (min, max) = (%d, %d)\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
data.acregmin, data.acregmax, data.acdirmin, data.acdirmax);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
printf("port = %d, bg = %d, retry = %d, flags = %.8x\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
port, bg, retry, data.flags);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
printf("mountprog = %d, mountvers = %d, nfsprog = %d, nfsvers = %d\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
mountprog, mountvers, nfsprog, nfsvers);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
printf("soft = %d, intr = %d, posix = %d, nocto = %d, noac = %d\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
(data.flags & NFS_MOUNT_SOFT) != 0,
|
|
|
|
|
(data.flags & NFS_MOUNT_INTR) != 0,
|
|
|
|
|
(data.flags & NFS_MOUNT_POSIX) != 0,
|
|
|
|
|
(data.flags & NFS_MOUNT_NOCTO) != 0,
|
|
|
|
|
(data.flags & NFS_MOUNT_NOAC) != 0);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#if NFS_MOUNT_VERSION >= 2
|
2000-07-10 23:39:44 +00:00
|
|
|
|
printf("tcp = %d\n",
|
|
|
|
|
(data.flags & NFS_MOUNT_TCP) != 0);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
data.version = nfs_mount_version;
|
|
|
|
|
*mount_opts = (char *) &data;
|
|
|
|
|
|
|
|
|
|
if (*flags & MS_REMOUNT)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* If the previous mount operation on the same host was
|
|
|
|
|
* backgrounded, and the "bg" for this mount is also set,
|
|
|
|
|
* give up immediately, to avoid the initial timeout.
|
|
|
|
|
*/
|
|
|
|
|
if (bg && !running_bg &&
|
2000-07-10 23:39:44 +00:00
|
|
|
|
prev_bg_host && strcmp(hostname, prev_bg_host) == 0) {
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (retry > 0)
|
|
|
|
|
retval = EX_BG;
|
|
|
|
|
return retval;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* create mount deamon client */
|
|
|
|
|
/* See if the nfs host = mount host. */
|
|
|
|
|
if (mounthost) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (mounthost[0] >= '0' && mounthost[0] <= '9') {
|
|
|
|
|
mount_server_addr.sin_family = AF_INET;
|
|
|
|
|
mount_server_addr.sin_addr.s_addr = inet_addr(hostname);
|
|
|
|
|
} else {
|
|
|
|
|
if ((hp = gethostbyname(mounthost)) == NULL) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("can't get address for %s\n", hostname);
|
2000-07-10 23:39:44 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
} else {
|
|
|
|
|
if (hp->h_length > sizeof(struct in_addr)) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("got bad hp->h_length?\n");
|
2000-07-10 23:39:44 +00:00
|
|
|
|
hp->h_length = sizeof(struct in_addr);
|
|
|
|
|
}
|
|
|
|
|
mount_server_addr.sin_family = AF_INET;
|
|
|
|
|
memcpy(&mount_server_addr.sin_addr,
|
|
|
|
|
hp->h_addr, hp->h_length);
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The following loop implements the mount retries. On the first
|
|
|
|
|
* call, "running_bg" is 0. When the mount times out, and the
|
|
|
|
|
* "bg" option is set, the exit status EX_BG will be returned.
|
|
|
|
|
* For a backgrounded mount, there will be a second call by the
|
|
|
|
|
* child process with "running_bg" set to 1.
|
|
|
|
|
*
|
|
|
|
|
* The case where the mount point is not present and the "bg"
|
|
|
|
|
* option is set, is treated as a timeout. This is done to
|
|
|
|
|
* support nested mounts.
|
|
|
|
|
*
|
|
|
|
|
* The "retry" count specified by the user is the number of
|
|
|
|
|
* minutes to retry before giving up.
|
|
|
|
|
*
|
|
|
|
|
* Only the first error message will be displayed.
|
|
|
|
|
*/
|
|
|
|
|
retry_timeout.tv_sec = 3;
|
|
|
|
|
retry_timeout.tv_usec = 0;
|
|
|
|
|
total_timeout.tv_sec = 20;
|
|
|
|
|
total_timeout.tv_usec = 0;
|
|
|
|
|
timeout = time(NULL) + 60 * retry;
|
|
|
|
|
prevt = 0;
|
|
|
|
|
t = 30;
|
|
|
|
|
val = 1;
|
|
|
|
|
for (;;) {
|
|
|
|
|
if (bg && stat(node, &statbuf) == -1) {
|
|
|
|
|
if (running_bg) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
sleep(val); /* 1, 2, 4, 8, 16, 30, ... */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
val *= 2;
|
|
|
|
|
if (val > 30)
|
|
|
|
|
val = 30;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
/* be careful not to use too many CPU cycles */
|
|
|
|
|
if (t - prevt < 30)
|
|
|
|
|
sleep(30);
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
pm_mnt = get_mountport(&mount_server_addr,
|
|
|
|
|
mountprog,
|
|
|
|
|
mountvers,
|
|
|
|
|
proto,
|
|
|
|
|
mountport);
|
|
|
|
|
|
1999-11-18 07:58:07 +00:00
|
|
|
|
/* contact the mount daemon via TCP */
|
2000-07-10 23:39:44 +00:00
|
|
|
|
mount_server_addr.sin_port = htons(pm_mnt->pm_port);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
msock = RPC_ANYSOCK;
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
switch (pm_mnt->pm_prot) {
|
|
|
|
|
case IPPROTO_UDP:
|
1999-11-18 07:58:07 +00:00
|
|
|
|
mclient = clntudp_create(&mount_server_addr,
|
2000-07-10 23:39:44 +00:00
|
|
|
|
pm_mnt->pm_prog,
|
|
|
|
|
pm_mnt->pm_vers,
|
|
|
|
|
retry_timeout,
|
|
|
|
|
&msock);
|
|
|
|
|
if (mclient)
|
|
|
|
|
break;
|
|
|
|
|
mount_server_addr.sin_port = htons(pm_mnt->pm_port);
|
|
|
|
|
msock = RPC_ANYSOCK;
|
|
|
|
|
case IPPROTO_TCP:
|
|
|
|
|
mclient = clnttcp_create(&mount_server_addr,
|
|
|
|
|
pm_mnt->pm_prog,
|
|
|
|
|
pm_mnt->pm_vers,
|
|
|
|
|
&msock, 0, 0);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
mclient = 0;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
if (mclient) {
|
|
|
|
|
/* try to mount hostname:dirname */
|
|
|
|
|
mclient->cl_auth = authunix_create_default();
|
2000-07-10 23:39:44 +00:00
|
|
|
|
|
|
|
|
|
/* make pointers in xdr_mountres3 NULL so
|
|
|
|
|
* that xdr_array allocates memory for us
|
|
|
|
|
*/
|
|
|
|
|
memset(&status, 0, sizeof(status));
|
|
|
|
|
|
|
|
|
|
if (pm_mnt->pm_vers == 3)
|
|
|
|
|
clnt_stat = clnt_call(mclient, MOUNTPROC3_MNT,
|
|
|
|
|
(xdrproc_t) xdr_dirpath,
|
|
|
|
|
(caddr_t) &dirname,
|
|
|
|
|
(xdrproc_t) xdr_mountres3,
|
|
|
|
|
(caddr_t) &status,
|
|
|
|
|
total_timeout);
|
|
|
|
|
else
|
1999-11-18 07:58:07 +00:00
|
|
|
|
clnt_stat = clnt_call(mclient, MOUNTPROC_MNT,
|
2000-07-10 23:39:44 +00:00
|
|
|
|
(xdrproc_t) xdr_dirpath,
|
|
|
|
|
(caddr_t) &dirname,
|
|
|
|
|
(xdrproc_t) xdr_fhstatus,
|
|
|
|
|
(caddr_t) &status,
|
|
|
|
|
total_timeout);
|
|
|
|
|
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (clnt_stat == RPC_SUCCESS)
|
|
|
|
|
break; /* we're done */
|
|
|
|
|
if (errno != ECONNREFUSED) {
|
|
|
|
|
clnt_perror(mclient, "mount");
|
|
|
|
|
goto fail; /* don't retry */
|
|
|
|
|
}
|
|
|
|
|
if (!running_bg && prevt == 0)
|
|
|
|
|
clnt_perror(mclient, "mount");
|
|
|
|
|
auth_destroy(mclient->cl_auth);
|
|
|
|
|
clnt_destroy(mclient);
|
|
|
|
|
mclient = 0;
|
|
|
|
|
close(msock);
|
|
|
|
|
} else {
|
|
|
|
|
if (!running_bg && prevt == 0)
|
|
|
|
|
clnt_pcreateerror("mount");
|
|
|
|
|
}
|
|
|
|
|
prevt = t;
|
|
|
|
|
}
|
|
|
|
|
if (!bg)
|
2000-07-10 23:39:44 +00:00
|
|
|
|
goto fail;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (!running_bg) {
|
|
|
|
|
prev_bg_host = xstrdup(hostname);
|
|
|
|
|
if (retry > 0)
|
|
|
|
|
retval = EX_BG;
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
t = time(NULL);
|
|
|
|
|
if (t >= timeout)
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
nfsvers = (pm_mnt->pm_vers < 2) ? 2 : pm_mnt->pm_vers;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (nfsvers == 2) {
|
|
|
|
|
if (status.nfsv2.fhs_status != 0) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("%s:%s failed, reason given by server: %s\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
hostname, dirname,
|
|
|
|
|
nfs_strerror(status.nfsv2.fhs_status));
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
memcpy(data.root.data,
|
|
|
|
|
(char *) status.nfsv2.fhstatus_u.fhs_fhandle,
|
|
|
|
|
NFS_FHSIZE);
|
|
|
|
|
#if NFS_MOUNT_VERSION >= 4
|
|
|
|
|
data.root.size = NFS_FHSIZE;
|
|
|
|
|
memcpy(data.old_root.data,
|
|
|
|
|
(char *) status.nfsv2.fhstatus_u.fhs_fhandle,
|
|
|
|
|
NFS_FHSIZE);
|
|
|
|
|
#endif
|
|
|
|
|
} else {
|
|
|
|
|
#if NFS_MOUNT_VERSION >= 4
|
|
|
|
|
fhandle3 *fhandle;
|
|
|
|
|
if (status.nfsv3.fhs_status != 0) {
|
2000-07-14 01:51:25 +00:00
|
|
|
|
errorMsg("%s:%s failed, reason given by server: %s\n",
|
2000-07-10 23:39:44 +00:00
|
|
|
|
hostname, dirname,
|
|
|
|
|
nfs_strerror(status.nfsv3.fhs_status));
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
fhandle = &status.nfsv3.mountres3_u.mountinfo.fhandle;
|
|
|
|
|
memset(data.old_root.data, 0, NFS_FHSIZE);
|
|
|
|
|
memset(&data.root, 0, sizeof(data.root));
|
|
|
|
|
data.root.size = fhandle->fhandle3_len;
|
|
|
|
|
memcpy(data.root.data,
|
|
|
|
|
(char *) fhandle->fhandle3_val,
|
|
|
|
|
fhandle->fhandle3_len);
|
|
|
|
|
|
|
|
|
|
data.flags |= NFS_MOUNT_VER3;
|
|
|
|
|
#endif
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* create nfs socket for kernel */
|
|
|
|
|
|
|
|
|
|
if (tcp) {
|
|
|
|
|
if (nfs_mount_version < 3) {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
printf(_("NFS over TCP is not supported.\n"));
|
1999-11-18 07:58:07 +00:00
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
fsock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
|
|
|
|
|
} else
|
|
|
|
|
fsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
|
|
|
if (fsock < 0) {
|
|
|
|
|
perror(_("nfs socket"));
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
if (bindresvport(fsock, 0) < 0) {
|
|
|
|
|
perror(_("nfs bindresvport"));
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
if (port == 0) {
|
|
|
|
|
server_addr.sin_port = PMAPPORT;
|
|
|
|
|
port = pmap_getport(&server_addr, nfsprog, nfsvers,
|
2000-07-10 23:39:44 +00:00
|
|
|
|
tcp ? IPPROTO_TCP : IPPROTO_UDP);
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (port == 0)
|
|
|
|
|
port = NFS_PORT;
|
|
|
|
|
#ifdef NFS_MOUNT_DEBUG
|
|
|
|
|
else
|
|
|
|
|
printf(_("used portmapper to find NFS port\n"));
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
#ifdef NFS_MOUNT_DEBUG
|
|
|
|
|
printf(_("using port %d for nfs deamon\n"), port);
|
|
|
|
|
#endif
|
|
|
|
|
server_addr.sin_port = htons(port);
|
2000-07-10 23:39:44 +00:00
|
|
|
|
/*
|
|
|
|
|
* connect() the socket for kernels 1.3.10 and below only,
|
|
|
|
|
* to avoid problems with multihomed hosts.
|
|
|
|
|
* --Swen
|
|
|
|
|
*/
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (linux_version_code() <= 66314
|
2000-07-10 23:39:44 +00:00
|
|
|
|
&& connect(fsock, (struct sockaddr *) &server_addr,
|
|
|
|
|
sizeof (server_addr)) < 0) {
|
1999-11-18 07:58:07 +00:00
|
|
|
|
perror(_("nfs connect"));
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* prepare data structure for kernel */
|
|
|
|
|
|
|
|
|
|
data.fd = fsock;
|
|
|
|
|
memcpy((char *) &data.addr, (char *) &server_addr, sizeof(data.addr));
|
|
|
|
|
strncpy(data.hostname, hostname, sizeof(data.hostname));
|
|
|
|
|
|
|
|
|
|
/* clean up */
|
|
|
|
|
|
|
|
|
|
auth_destroy(mclient->cl_auth);
|
|
|
|
|
clnt_destroy(mclient);
|
|
|
|
|
close(msock);
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
/* abort */
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
fail:
|
1999-11-18 07:58:07 +00:00
|
|
|
|
if (msock != -1) {
|
|
|
|
|
if (mclient) {
|
|
|
|
|
auth_destroy(mclient->cl_auth);
|
|
|
|
|
clnt_destroy(mclient);
|
|
|
|
|
}
|
|
|
|
|
close(msock);
|
|
|
|
|
}
|
|
|
|
|
if (fsock != -1)
|
|
|
|
|
close(fsock);
|
|
|
|
|
return retval;
|
2000-07-10 23:39:44 +00:00
|
|
|
|
}
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* We need to translate between nfs status return values and
|
|
|
|
|
* the local errno values which may not be the same.
|
|
|
|
|
*
|
|
|
|
|
* Andreas Schwab <schwab@LS5.informatik.uni-dortmund.de>: change errno:
|
|
|
|
|
* "after #include <errno.h> the symbol errno is reserved for any use,
|
|
|
|
|
* it cannot even be used as a struct tag or field name".
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef EDQUOT
|
|
|
|
|
#define EDQUOT ENOSPC
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
static struct {
|
|
|
|
|
enum nfs_stat stat;
|
|
|
|
|
int errnum;
|
|
|
|
|
} nfs_errtbl[] = {
|
2000-07-10 23:39:44 +00:00
|
|
|
|
{ NFS_OK, 0 },
|
|
|
|
|
{ NFSERR_PERM, EPERM },
|
|
|
|
|
{ NFSERR_NOENT, ENOENT },
|
|
|
|
|
{ NFSERR_IO, EIO },
|
|
|
|
|
{ NFSERR_NXIO, ENXIO },
|
|
|
|
|
{ NFSERR_ACCES, EACCES },
|
|
|
|
|
{ NFSERR_EXIST, EEXIST },
|
|
|
|
|
{ NFSERR_NODEV, ENODEV },
|
|
|
|
|
{ NFSERR_NOTDIR, ENOTDIR },
|
|
|
|
|
{ NFSERR_ISDIR, EISDIR },
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#ifdef NFSERR_INVAL
|
2000-07-10 23:39:44 +00:00
|
|
|
|
{ NFSERR_INVAL, EINVAL }, /* that Sun forgot */
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#endif
|
2000-07-10 23:39:44 +00:00
|
|
|
|
{ NFSERR_FBIG, EFBIG },
|
|
|
|
|
{ NFSERR_NOSPC, ENOSPC },
|
|
|
|
|
{ NFSERR_ROFS, EROFS },
|
|
|
|
|
{ NFSERR_NAMETOOLONG, ENAMETOOLONG },
|
|
|
|
|
{ NFSERR_NOTEMPTY, ENOTEMPTY },
|
|
|
|
|
{ NFSERR_DQUOT, EDQUOT },
|
|
|
|
|
{ NFSERR_STALE, ESTALE },
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#ifdef EWFLUSH
|
2000-07-10 23:39:44 +00:00
|
|
|
|
{ NFSERR_WFLUSH, EWFLUSH },
|
1999-11-18 07:58:07 +00:00
|
|
|
|
#endif
|
2000-07-10 23:39:44 +00:00
|
|
|
|
/* Throw in some NFSv3 values for even more fun (HP returns these) */
|
|
|
|
|
{ 71, EREMOTE },
|
|
|
|
|
|
|
|
|
|
{ -1, EIO }
|
1999-11-18 07:58:07 +00:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static char *nfs_strerror(int stat)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
static char buf[256];
|
|
|
|
|
|
|
|
|
|
for (i = 0; nfs_errtbl[i].stat != -1; i++) {
|
|
|
|
|
if (nfs_errtbl[i].stat == stat)
|
|
|
|
|
return strerror(nfs_errtbl[i].errnum);
|
|
|
|
|
}
|
|
|
|
|
sprintf(buf, _("unknown nfs status return value: %d"), stat);
|
|
|
|
|
return buf;
|
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_fhandle (XDR *xdrs, fhandle objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
2000-02-08 19:58:47 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_opaque (xdrs, objp, FHSIZE))
|
|
|
|
|
return FALSE;
|
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_fhstatus (XDR *xdrs, fhstatus *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_u_int (xdrs, &objp->fhs_status))
|
|
|
|
|
return FALSE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
switch (objp->fhs_status) {
|
|
|
|
|
case 0:
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_fhandle (xdrs, objp->fhstatus_u.fhs_fhandle))
|
|
|
|
|
return FALSE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_dirpath (XDR *xdrs, dirpath *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_string (xdrs, objp, MNTPATHLEN))
|
|
|
|
|
return FALSE;
|
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_fhandle3 (XDR *xdrs, fhandle3 *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_bytes (xdrs, (char **)&objp->fhandle3_val, (u_int *) &objp->fhandle3_len, FHSIZE3))
|
|
|
|
|
return FALSE;
|
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_mountres3_ok (XDR *xdrs, mountres3_ok *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
|
|
|
|
|
|
|
|
|
if (!xdr_fhandle3 (xdrs, &objp->fhandle))
|
|
|
|
|
return FALSE;
|
|
|
|
|
if (!xdr_array (xdrs, (char **)&objp->auth_flavours.auth_flavours_val, (u_int *) &objp->auth_flavours.auth_flavours_len, ~0,
|
|
|
|
|
sizeof (int), (xdrproc_t) xdr_int))
|
|
|
|
|
return FALSE;
|
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_mountstat3 (XDR *xdrs, mountstat3 *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_enum (xdrs, (enum_t *) objp))
|
|
|
|
|
return FALSE;
|
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
bool_t
|
|
|
|
|
xdr_mountres3 (XDR *xdrs, mountres3 *objp)
|
1999-11-18 07:58:07 +00:00
|
|
|
|
{
|
2000-07-10 23:39:44 +00:00
|
|
|
|
//register int32_t *buf;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
|
2000-07-10 23:39:44 +00:00
|
|
|
|
if (!xdr_mountstat3 (xdrs, &objp->fhs_status))
|
|
|
|
|
return FALSE;
|
|
|
|
|
switch (objp->fhs_status) {
|
|
|
|
|
case MNT_OK:
|
|
|
|
|
if (!xdr_mountres3_ok (xdrs, &objp->mountres3_u.mountinfo))
|
|
|
|
|
return FALSE;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
2000-07-10 23:39:44 +00:00
|
|
|
|
return TRUE;
|
1999-11-18 07:58:07 +00:00
|
|
|
|
}
|
|
|
|
|
|