mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
ba33efd92c
option. When specified, make sure to use the correct netid for the getnetconfigent() call, and also in error messages.
999 lines
25 KiB
C
999 lines
25 KiB
C
/*
|
|
* Copyright (c) 1992, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Rick Macklem at The University of Guelph.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1992, 1993, 1994\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)mount_nfs.c 8.11 (Berkeley) 5/4/95";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/syslog.h>
|
|
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/pmap_clnt.h>
|
|
#include <rpc/pmap_prot.h>
|
|
|
|
#ifdef NFSKERB
|
|
#include <kerberosIV/des.h>
|
|
#include <kerberosIV/krb.h>
|
|
#endif
|
|
|
|
#include <nfs/rpcv2.h>
|
|
#include <nfs/nfsproto.h>
|
|
#include <nfs/nfs.h>
|
|
#include <nfs/nqnfs.h>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <netdb.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <strings.h>
|
|
#include <sysexits.h>
|
|
#include <unistd.h>
|
|
|
|
#include "mntopts.h"
|
|
#include "mounttab.h"
|
|
|
|
#define ALTF_BG 0x1
|
|
#define ALTF_NOCONN 0x2
|
|
#define ALTF_DUMBTIMR 0x4
|
|
#define ALTF_INTR 0x8
|
|
#define ALTF_KERB 0x10
|
|
#define ALTF_NFSV3 0x20
|
|
#define ALTF_RDIRPLUS 0x40
|
|
#define ALTF_MNTUDP 0x80
|
|
#define ALTF_RESVPORT 0x100
|
|
#define ALTF_SEQPACKET 0x200
|
|
#define ALTF_NQNFS 0x400
|
|
#define ALTF_SOFT 0x800
|
|
#define ALTF_TCP 0x1000
|
|
#define ALTF_PORT 0x2000
|
|
#define ALTF_NFSV2 0x4000
|
|
#define ALTF_ACREGMIN 0x8000
|
|
#define ALTF_ACREGMAX 0x10000
|
|
#define ALTF_ACDIRMIN 0x20000
|
|
#define ALTF_ACDIRMAX 0x40000
|
|
|
|
struct mntopt mopts[] = {
|
|
MOPT_STDOPTS,
|
|
MOPT_FORCE,
|
|
MOPT_UPDATE,
|
|
MOPT_ASYNC,
|
|
{ "bg", 0, ALTF_BG, 1 },
|
|
{ "conn", 1, ALTF_NOCONN, 1 },
|
|
{ "dumbtimer", 0, ALTF_DUMBTIMR, 1 },
|
|
{ "intr", 0, ALTF_INTR, 1 },
|
|
#ifdef NFSKERB
|
|
{ "kerb", 0, ALTF_KERB, 1 },
|
|
#endif
|
|
{ "nfsv3", 0, ALTF_NFSV3, 1 },
|
|
{ "rdirplus", 0, ALTF_RDIRPLUS, 1 },
|
|
{ "mntudp", 0, ALTF_MNTUDP, 1 },
|
|
{ "resvport", 0, ALTF_RESVPORT, 1 },
|
|
{ "nqnfs", 0, ALTF_NQNFS, 1 },
|
|
{ "soft", 0, ALTF_SOFT, 1 },
|
|
{ "tcp", 0, ALTF_TCP, 1 },
|
|
{ "port=", 0, ALTF_PORT, 1 },
|
|
{ "nfsv2", 0, ALTF_NFSV2, 1 },
|
|
{ "acregmin=", 0, ALTF_ACREGMIN, 1 },
|
|
{ "acregmax=", 0, ALTF_ACREGMAX, 1 },
|
|
{ "acdirmin=", 0, ALTF_ACDIRMIN, 1 },
|
|
{ "acdirmax=", 0, ALTF_ACDIRMAX, 1 },
|
|
{ NULL }
|
|
};
|
|
|
|
struct nfs_args nfsdefargs = {
|
|
NFS_ARGSVERSION,
|
|
(struct sockaddr *)0,
|
|
sizeof (struct sockaddr_in),
|
|
SOCK_DGRAM,
|
|
0,
|
|
(u_char *)0,
|
|
0,
|
|
NFSMNT_RESVPORT,
|
|
NFS_WSIZE,
|
|
NFS_RSIZE,
|
|
NFS_READDIRSIZE,
|
|
10,
|
|
NFS_RETRANS,
|
|
NFS_MAXGRPS,
|
|
NFS_DEFRAHEAD,
|
|
NQ_DEFLEASE,
|
|
NQ_DEADTHRESH,
|
|
(char *)0,
|
|
/* args version 4 */
|
|
NFS_MINATTRTIMO,
|
|
NFS_MAXATTRTIMO,
|
|
NFS_MINDIRATTRTIMO,
|
|
NFS_MAXDIRATTRTIMO,
|
|
};
|
|
|
|
struct nfhret {
|
|
u_long stat;
|
|
long vers;
|
|
long auth;
|
|
long fhsize;
|
|
u_char nfh[NFSX_V3FHMAX];
|
|
};
|
|
#define DEF_RETRY 10000
|
|
#define BGRND 1
|
|
#define ISBGRND 2
|
|
int retrycnt = DEF_RETRY;
|
|
int opflags = 0;
|
|
int nfsproto = IPPROTO_UDP;
|
|
int mnttcp_ok = 1;
|
|
char *portspec = NULL; /* Server nfs port; NULL means look up via rpcbind. */
|
|
enum mountmode {
|
|
ANY,
|
|
V2,
|
|
V3
|
|
} mountmode = ANY;
|
|
|
|
#ifdef NFSKERB
|
|
char inst[INST_SZ];
|
|
char realm[REALM_SZ];
|
|
struct {
|
|
u_long kind;
|
|
KTEXT_ST kt;
|
|
} ktick;
|
|
struct nfsrpc_nickverf kverf;
|
|
struct nfsrpc_fullblock kin, kout;
|
|
NFSKERBKEY_T kivec;
|
|
CREDENTIALS kcr;
|
|
struct timeval ktv;
|
|
NFSKERBKEYSCHED_T kerb_keysched;
|
|
#endif
|
|
|
|
/* Return codes for nfs_tryproto. */
|
|
enum tryret {
|
|
TRYRET_SUCCESS,
|
|
TRYRET_TIMEOUT, /* No response received. */
|
|
TRYRET_REMOTEERR, /* Error received from remote server. */
|
|
TRYRET_LOCALERR /* Local failure. */
|
|
};
|
|
|
|
int getnfsargs __P((char *, struct nfs_args *));
|
|
/* void set_rpc_maxgrouplist __P((int)); */
|
|
void usage __P((void)) __dead2;
|
|
int xdr_dir __P((XDR *, char *));
|
|
int xdr_fh __P((XDR *, struct nfhret *));
|
|
enum tryret nfs_tryproto(struct nfs_args *nfsargsp, struct addrinfo *ai,
|
|
char *hostp, char *spec, char **errstr);
|
|
enum tryret returncode(enum clnt_stat stat, struct rpc_err *rpcerr);
|
|
|
|
/*
|
|
* Used to set mount flags with getmntopts. Call with dir=TRUE to
|
|
* initialize altflags from the current mount flags. Call with
|
|
* dir=FALSE to update mount flags with the new value of altflags after
|
|
* the call to getmntopts.
|
|
*/
|
|
static void
|
|
set_flags(int* altflags, int* nfsflags, int dir)
|
|
{
|
|
#define F2(af, nf) \
|
|
if (dir) { \
|
|
if (*nfsflags & NFSMNT_##nf) \
|
|
*altflags |= ALTF_##af; \
|
|
else \
|
|
*altflags &= ~ALTF_##af; \
|
|
} else { \
|
|
if (*altflags & ALTF_##af) \
|
|
*nfsflags |= NFSMNT_##nf; \
|
|
else \
|
|
*nfsflags &= ~NFSMNT_##nf; \
|
|
}
|
|
#define F(f) F2(f,f)
|
|
|
|
F(NOCONN);
|
|
F(DUMBTIMR);
|
|
F2(INTR, INT);
|
|
#ifdef NFSKERB
|
|
F(KERB);
|
|
#endif
|
|
F(RDIRPLUS);
|
|
F(RESVPORT);
|
|
F(NQNFS);
|
|
F(SOFT);
|
|
|
|
#undef F
|
|
#undef F2
|
|
}
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
register int c;
|
|
register struct nfs_args *nfsargsp;
|
|
struct nfs_args nfsargs;
|
|
struct nfsd_cargs ncd;
|
|
int mntflags, altflags, nfssvc_flag, num;
|
|
char *name, *p, *spec;
|
|
char mntpath[MAXPATHLEN];
|
|
struct vfsconf vfc;
|
|
int error = 0;
|
|
#ifdef NFSKERB
|
|
uid_t last_ruid;
|
|
|
|
last_ruid = -1;
|
|
(void)strcpy(realm, KRB_REALM);
|
|
if (sizeof (struct nfsrpc_nickverf) != RPCX_NICKVERF ||
|
|
sizeof (struct nfsrpc_fullblock) != RPCX_FULLBLOCK ||
|
|
((char *)&ktick.kt) - ((char *)&ktick) != NFSX_UNSIGNED ||
|
|
((char *)ktick.kt.dat) - ((char *)&ktick) != 2 * NFSX_UNSIGNED)
|
|
fprintf(stderr, "Yikes! NFSKERB structs not packed!!\n");
|
|
#endif /* NFSKERB */
|
|
retrycnt = DEF_RETRY;
|
|
|
|
mntflags = 0;
|
|
altflags = 0;
|
|
nfsargs = nfsdefargs;
|
|
nfsargsp = &nfsargs;
|
|
while ((c = getopt(argc, argv,
|
|
"23a:bcdD:g:I:iKL:lm:No:PpqR:r:sTt:w:x:U")) != -1)
|
|
switch (c) {
|
|
case '2':
|
|
mountmode = V2;
|
|
break;
|
|
case '3':
|
|
mountmode = V3;
|
|
break;
|
|
case 'a':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num < 0)
|
|
errx(1, "illegal -a value -- %s", optarg);
|
|
nfsargsp->readahead = num;
|
|
nfsargsp->flags |= NFSMNT_READAHEAD;
|
|
break;
|
|
case 'b':
|
|
opflags |= BGRND;
|
|
break;
|
|
case 'c':
|
|
nfsargsp->flags |= NFSMNT_NOCONN;
|
|
break;
|
|
case 'D':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -D value -- %s", optarg);
|
|
nfsargsp->deadthresh = num;
|
|
nfsargsp->flags |= NFSMNT_DEADTHRESH;
|
|
break;
|
|
case 'd':
|
|
nfsargsp->flags |= NFSMNT_DUMBTIMR;
|
|
break;
|
|
#if 0 /* XXXX */
|
|
case 'g':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -g value -- %s", optarg);
|
|
set_rpc_maxgrouplist(num);
|
|
nfsargsp->maxgrouplist = num;
|
|
nfsargsp->flags |= NFSMNT_MAXGRPS;
|
|
break;
|
|
#endif
|
|
case 'I':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -I value -- %s", optarg);
|
|
nfsargsp->readdirsize = num;
|
|
nfsargsp->flags |= NFSMNT_READDIRSIZE;
|
|
break;
|
|
case 'i':
|
|
nfsargsp->flags |= NFSMNT_INT;
|
|
break;
|
|
#ifdef NFSKERB
|
|
case 'K':
|
|
nfsargsp->flags |= NFSMNT_KERB;
|
|
break;
|
|
#endif
|
|
case 'L':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num < 2)
|
|
errx(1, "illegal -L value -- %s", optarg);
|
|
nfsargsp->leaseterm = num;
|
|
nfsargsp->flags |= NFSMNT_LEASETERM;
|
|
break;
|
|
case 'l':
|
|
nfsargsp->flags |= NFSMNT_RDIRPLUS;
|
|
break;
|
|
#ifdef NFSKERB
|
|
case 'm':
|
|
(void)strncpy(realm, optarg, REALM_SZ - 1);
|
|
realm[REALM_SZ - 1] = '\0';
|
|
break;
|
|
#endif
|
|
case 'N':
|
|
nfsargsp->flags &= ~NFSMNT_RESVPORT;
|
|
break;
|
|
case 'o':
|
|
altflags = 0;
|
|
set_flags(&altflags, &nfsargsp->flags, TRUE);
|
|
if (mountmode == V2)
|
|
altflags |= ALTF_NFSV2;
|
|
else if (mountmode == V3)
|
|
altflags |= ALTF_NFSV3;
|
|
getmntopts(optarg, mopts, &mntflags, &altflags);
|
|
set_flags(&altflags, &nfsargsp->flags, FALSE);
|
|
/*
|
|
* Handle altflags which don't map directly to
|
|
* mount flags.
|
|
*/
|
|
if(altflags & ALTF_BG)
|
|
opflags |= BGRND;
|
|
if(altflags & ALTF_MNTUDP)
|
|
mnttcp_ok = 0;
|
|
if(altflags & ALTF_TCP) {
|
|
nfsargsp->sotype = SOCK_STREAM;
|
|
nfsproto = IPPROTO_TCP;
|
|
}
|
|
if(altflags & ALTF_PORT) {
|
|
/*
|
|
* XXX Converting from a string to an int
|
|
* and back again is silly, and we should
|
|
* allow /etc/services names.
|
|
*/
|
|
asprintf(&portspec, "%d",
|
|
atoi(strstr(optarg, "port=") + 5));
|
|
if (portspec == NULL)
|
|
err(1, "asprintf");
|
|
}
|
|
mountmode = ANY;
|
|
if(altflags & ALTF_NFSV2)
|
|
mountmode = V2;
|
|
if(altflags & ALTF_NFSV3)
|
|
mountmode = V3;
|
|
if(altflags & ALTF_ACREGMIN)
|
|
nfsargsp->acregmin = atoi(strstr(optarg,
|
|
"acregmin=") + 9);
|
|
if(altflags & ALTF_ACREGMAX)
|
|
nfsargsp->acregmax = atoi(strstr(optarg,
|
|
"acregmax=") + 9);
|
|
if(altflags & ALTF_ACDIRMIN)
|
|
nfsargsp->acdirmin = atoi(strstr(optarg,
|
|
"acdirmin=") + 9);
|
|
if(altflags & ALTF_ACDIRMAX)
|
|
nfsargsp->acdirmax = atoi(strstr(optarg,
|
|
"acdirmax=") + 9);
|
|
break;
|
|
case 'P':
|
|
/* obsolete for NFSMNT_RESVPORT, now default */
|
|
break;
|
|
case 'q':
|
|
mountmode = V3;
|
|
nfsargsp->flags |= NFSMNT_NQNFS;
|
|
break;
|
|
case 'R':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -R value -- %s", optarg);
|
|
retrycnt = num;
|
|
break;
|
|
case 'r':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -r value -- %s", optarg);
|
|
nfsargsp->rsize = num;
|
|
nfsargsp->flags |= NFSMNT_RSIZE;
|
|
break;
|
|
case 's':
|
|
nfsargsp->flags |= NFSMNT_SOFT;
|
|
break;
|
|
case 'T':
|
|
nfsargsp->sotype = SOCK_STREAM;
|
|
nfsproto = IPPROTO_TCP;
|
|
break;
|
|
case 't':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -t value -- %s", optarg);
|
|
nfsargsp->timeo = num;
|
|
nfsargsp->flags |= NFSMNT_TIMEO;
|
|
break;
|
|
case 'w':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -w value -- %s", optarg);
|
|
nfsargsp->wsize = num;
|
|
nfsargsp->flags |= NFSMNT_WSIZE;
|
|
break;
|
|
case 'x':
|
|
num = strtol(optarg, &p, 10);
|
|
if (*p || num <= 0)
|
|
errx(1, "illegal -x value -- %s", optarg);
|
|
nfsargsp->retrans = num;
|
|
nfsargsp->flags |= NFSMNT_RETRANS;
|
|
break;
|
|
case 'U':
|
|
mnttcp_ok = 0;
|
|
break;
|
|
default:
|
|
usage();
|
|
break;
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 2) {
|
|
usage();
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
spec = *argv++;
|
|
name = *argv;
|
|
|
|
if (!getnfsargs(spec, nfsargsp))
|
|
exit(1);
|
|
|
|
/* resolve the mountpoint with realpath(3) */
|
|
(void)checkpath(name, mntpath);
|
|
|
|
error = getvfsbyname("nfs", &vfc);
|
|
if (error && vfsisloadable("nfs")) {
|
|
if(vfsload("nfs"))
|
|
err(EX_OSERR, "vfsload(nfs)");
|
|
endvfsent(); /* clear cache */
|
|
error = getvfsbyname("nfs", &vfc);
|
|
}
|
|
if (error)
|
|
errx(EX_OSERR, "nfs filesystem is not available");
|
|
|
|
if (mount(vfc.vfc_name, mntpath, mntflags, nfsargsp))
|
|
err(1, "%s", mntpath);
|
|
if (nfsargsp->flags & (NFSMNT_NQNFS | NFSMNT_KERB)) {
|
|
if ((opflags & ISBGRND) == 0) {
|
|
if (daemon(0, 0) != 0)
|
|
err(1, "daemon");
|
|
}
|
|
openlog("mount_nfs", LOG_PID, LOG_DAEMON);
|
|
nfssvc_flag = NFSSVC_MNTD;
|
|
ncd.ncd_dirp = mntpath;
|
|
while (nfssvc(nfssvc_flag, (caddr_t)&ncd) < 0) {
|
|
if (errno != ENEEDAUTH) {
|
|
syslog(LOG_ERR, "nfssvc err %m");
|
|
continue;
|
|
}
|
|
nfssvc_flag =
|
|
NFSSVC_MNTD | NFSSVC_GOTAUTH | NFSSVC_AUTHINFAIL;
|
|
#ifdef NFSKERB
|
|
/*
|
|
* Set up as ncd_authuid for the kerberos call.
|
|
* Must set ruid to ncd_authuid and reset the
|
|
* ticket name iff ncd_authuid is not the same
|
|
* as last time, so that the right ticket file
|
|
* is found.
|
|
* Get the Kerberos credential structure so that
|
|
* we have the session key and get a ticket for
|
|
* this uid.
|
|
* For more info see the IETF Draft "Authentication
|
|
* in ONC RPC".
|
|
*/
|
|
if (ncd.ncd_authuid != last_ruid) {
|
|
char buf[512];
|
|
(void)sprintf(buf, "%s%d",
|
|
TKT_ROOT, ncd.ncd_authuid);
|
|
krb_set_tkt_string(buf);
|
|
last_ruid = ncd.ncd_authuid;
|
|
}
|
|
setreuid(ncd.ncd_authuid, 0);
|
|
kret = krb_get_cred(NFS_KERBSRV, inst, realm, &kcr);
|
|
if (kret == RET_NOTKT) {
|
|
kret = get_ad_tkt(NFS_KERBSRV, inst, realm,
|
|
DEFAULT_TKT_LIFE);
|
|
if (kret == KSUCCESS)
|
|
kret = krb_get_cred(NFS_KERBSRV, inst, realm,
|
|
&kcr);
|
|
}
|
|
if (kret == KSUCCESS)
|
|
kret = krb_mk_req(&ktick.kt, NFS_KERBSRV, inst,
|
|
realm, 0);
|
|
|
|
/*
|
|
* Fill in the AKN_FULLNAME authenticator and verifier.
|
|
* Along with the Kerberos ticket, we need to build
|
|
* the timestamp verifier and encrypt it in CBC mode.
|
|
*/
|
|
if (kret == KSUCCESS &&
|
|
ktick.kt.length <= (RPCAUTH_MAXSIZ-3*NFSX_UNSIGNED)
|
|
&& gettimeofday(&ktv, (struct timezone *)0) == 0) {
|
|
ncd.ncd_authtype = RPCAUTH_KERB4;
|
|
ncd.ncd_authstr = (u_char *)&ktick;
|
|
ncd.ncd_authlen = nfsm_rndup(ktick.kt.length) +
|
|
3 * NFSX_UNSIGNED;
|
|
ncd.ncd_verfstr = (u_char *)&kverf;
|
|
ncd.ncd_verflen = sizeof (kverf);
|
|
memmove(ncd.ncd_key, kcr.session,
|
|
sizeof (kcr.session));
|
|
kin.t1 = htonl(ktv.tv_sec);
|
|
kin.t2 = htonl(ktv.tv_usec);
|
|
kin.w1 = htonl(NFS_KERBTTL);
|
|
kin.w2 = htonl(NFS_KERBTTL - 1);
|
|
bzero((caddr_t)kivec, sizeof (kivec));
|
|
|
|
/*
|
|
* Encrypt kin in CBC mode using the session
|
|
* key in kcr.
|
|
*/
|
|
XXX
|
|
|
|
/*
|
|
* Finally, fill the timestamp verifier into the
|
|
* authenticator and verifier.
|
|
*/
|
|
ktick.kind = htonl(RPCAKN_FULLNAME);
|
|
kverf.kind = htonl(RPCAKN_FULLNAME);
|
|
NFS_KERBW1(ktick.kt) = kout.w1;
|
|
ktick.kt.length = htonl(ktick.kt.length);
|
|
kverf.verf.t1 = kout.t1;
|
|
kverf.verf.t2 = kout.t2;
|
|
kverf.verf.w2 = kout.w2;
|
|
nfssvc_flag = NFSSVC_MNTD | NFSSVC_GOTAUTH;
|
|
}
|
|
setreuid(0, 0);
|
|
#endif /* NFSKERB */
|
|
}
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
int
|
|
getnfsargs(spec, nfsargsp)
|
|
char *spec;
|
|
struct nfs_args *nfsargsp;
|
|
{
|
|
struct addrinfo hints, *ai_nfs, *ai;
|
|
#ifdef NFSKERB
|
|
char host[NI_MAXHOST], serv[NI_MAXSERV];
|
|
#endif
|
|
enum tryret ret;
|
|
int ecode, speclen, remoteerr;
|
|
char *hostp, *delimp, *errstr;
|
|
#ifdef NFSKERB
|
|
char *cp;
|
|
#endif
|
|
size_t len;
|
|
static char nam[MNAMELEN + 1];
|
|
|
|
if ((delimp = strrchr(spec, ':')) != NULL) {
|
|
hostp = spec;
|
|
spec = delimp + 1;
|
|
} else if ((delimp = strrchr(spec, '@')) != NULL) {
|
|
warnx("path@server syntax is deprecated, use server:path");
|
|
hostp = delimp + 1;
|
|
} else {
|
|
warnx("no <host>:<dirpath> nfs-name");
|
|
return (0);
|
|
}
|
|
*delimp = '\0';
|
|
|
|
/*
|
|
* If there has been a trailing slash at mounttime it seems
|
|
* that some mountd implementations fail to remove the mount
|
|
* entries from their mountlist while unmounting.
|
|
*/
|
|
for (speclen = strlen(spec);
|
|
speclen > 1 && spec[speclen - 1] == '/';
|
|
speclen--)
|
|
spec[speclen - 1] = '\0';
|
|
if (strlen(hostp) + strlen(spec) + 1 > MNAMELEN) {
|
|
warnx("%s:%s: %s", hostp, spec, strerror(ENAMETOOLONG));
|
|
return (0);
|
|
}
|
|
/* Make both '@' and ':' notations equal */
|
|
if (*hostp != '\0') {
|
|
len = strlen(hostp);
|
|
memmove(nam, hostp, len);
|
|
nam[len] = ':';
|
|
memmove(nam + len + 1, spec, speclen);
|
|
nam[len + speclen + 1] = '\0';
|
|
}
|
|
|
|
/*
|
|
* Handle an internet host address and reverse resolve it if
|
|
* doing Kerberos.
|
|
*/
|
|
memset(&hints, 0, sizeof hints);
|
|
hints.ai_flags = AI_NUMERICHOST;
|
|
hints.ai_socktype = nfsargsp->sotype;
|
|
if (getaddrinfo(hostp, portspec, &hints, &ai_nfs) == 0) {
|
|
#ifdef NFSKERB
|
|
if ((nfsargsp->flags & NFSMNT_KERB)) {
|
|
hints.ai_flags = 0;
|
|
if (getnameinfo(ai_nfs->ai_addr, ai_nfs->ai_addrlen,
|
|
host, sizeof host, serv, sizeof serv, 0) != 0) {
|
|
warnx("can't reverse resolve net address");
|
|
return (0);
|
|
}
|
|
hostp = host;
|
|
}
|
|
#endif /* NFSKERB */
|
|
} else {
|
|
hints.ai_flags = 0;
|
|
if ((ecode = getaddrinfo(hostp, portspec, &hints, &ai_nfs))
|
|
!= 0) {
|
|
if (portspec == NULL)
|
|
errx(1, "%s: %s", hostp, gai_strerror(ecode));
|
|
else
|
|
errx(1, "%s:%s: %s", hostp, portspec,
|
|
gai_strerror(ecode));
|
|
return (0);
|
|
}
|
|
}
|
|
#ifdef NFSKERB
|
|
if (nfsargsp->flags & NFSMNT_KERB) {
|
|
strncpy(inst, hp->h_name, INST_SZ);
|
|
inst[INST_SZ - 1] = '\0';
|
|
if (cp = strchr(inst, '.'))
|
|
*cp = '\0';
|
|
}
|
|
#endif /* NFSKERB */
|
|
|
|
ret = TRYRET_LOCALERR;
|
|
while (retrycnt > 0) {
|
|
/*
|
|
* Try each entry returned by getaddrinfo(). Note the
|
|
* occurence of remote errors by setting `remoteerr'.
|
|
*/
|
|
remoteerr = 0;
|
|
for (ai = ai_nfs; ai != NULL; ai = ai->ai_next) {
|
|
ret = nfs_tryproto(nfsargsp, ai, hostp, spec, &errstr);
|
|
if (ret == TRYRET_SUCCESS)
|
|
break;
|
|
if (ret != TRYRET_LOCALERR)
|
|
remoteerr = 1;
|
|
if ((opflags & ISBGRND) == 0)
|
|
fprintf(stderr, "%s\n", errstr);
|
|
}
|
|
if (ret == TRYRET_SUCCESS)
|
|
break;
|
|
|
|
/*
|
|
* Exit on failures if not BGRND mode, or if all errors
|
|
* were local.
|
|
*/
|
|
if ((opflags & BGRND) == 0 || !remoteerr)
|
|
exit(1);
|
|
|
|
if (--retrycnt <= 0)
|
|
exit(1);
|
|
|
|
if ((opflags & (BGRND | ISBGRND)) == BGRND) {
|
|
warnx("Cannot immediately mount %s:%s, backgrounding",
|
|
hostp, spec);
|
|
opflags |= ISBGRND;
|
|
if (daemon(0, 0) != 0)
|
|
err(1, "daemon");
|
|
}
|
|
sleep(60);
|
|
}
|
|
freeaddrinfo(ai_nfs);
|
|
nfsargsp->hostname = nam;
|
|
/* Add mounted filesystem to PATH_MOUNTTAB */
|
|
if (!add_mtab(hostp, spec))
|
|
warnx("can't update %s for %s:%s", PATH_MOUNTTAB, hostp, spec);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Try to set up the NFS arguments according to the address
|
|
* family, protocol (and possibly port) specified in `ai'.
|
|
*
|
|
* Returns TRYRET_SUCCESS if successful, or:
|
|
* TRYRET_TIMEOUT The server did not respond.
|
|
* TRYRET_REMOTEERR The server reported an error.
|
|
* TRYRET_LOCALERR Local failure.
|
|
*
|
|
* In all error cases, *errstr will be set to a statically-allocated string
|
|
* describing the error.
|
|
*/
|
|
enum tryret
|
|
nfs_tryproto(struct nfs_args *nfsargsp, struct addrinfo *ai, char *hostp,
|
|
char *spec, char **errstr)
|
|
{
|
|
static char errbuf[256];
|
|
struct sockaddr_storage nfs_ss;
|
|
struct netbuf nfs_nb;
|
|
struct nfhret nfhret;
|
|
struct timeval try;
|
|
struct rpc_err rpcerr;
|
|
CLIENT *clp;
|
|
struct netconfig *nconf, *nconf_mnt;
|
|
char *netid, *netid_mnt;
|
|
int nfsvers, mntvers;
|
|
enum clnt_stat stat;
|
|
enum mountmode trymntmode;
|
|
|
|
trymntmode = mountmode;
|
|
errbuf[0] = '\0';
|
|
*errstr = errbuf;
|
|
|
|
/*
|
|
* XXX. Nead a generic (family, type, proto) -> nconf interface.
|
|
* __rpc_*2nconf exist, maybe they should be exported.
|
|
*/
|
|
if (nfsargsp->sotype == SOCK_STREAM)
|
|
netid = (ai->ai_family == AF_INET6) ? "tcp6" : "tcp";
|
|
else
|
|
netid = (ai->ai_family == AF_INET6) ? "udp6" : "udp";
|
|
if ((nconf = getnetconfigent(netid)) == NULL) {
|
|
snprintf(errbuf, sizeof errbuf, "%s: %s", netid, nc_sperror());
|
|
return (TRYRET_LOCALERR);
|
|
}
|
|
/* The RPCPROG_MNT netid may be different. */
|
|
if (mnttcp_ok) {
|
|
netid_mnt = netid;
|
|
nconf_mnt = nconf;
|
|
} else {
|
|
netid_mnt = (ai->ai_family == AF_INET6) ? "udp6" : "udp";
|
|
if ((nconf_mnt = getnetconfigent(netid_mnt)) == NULL) {
|
|
snprintf(errbuf, sizeof errbuf, "%s: %s", netid_mnt,
|
|
nc_sperror());
|
|
return (TRYRET_LOCALERR);
|
|
}
|
|
}
|
|
|
|
tryagain:
|
|
if (trymntmode == V2) {
|
|
nfsvers = 2;
|
|
mntvers = 1;
|
|
} else {
|
|
nfsvers = 3;
|
|
mntvers = 3;
|
|
}
|
|
|
|
if (portspec != NULL) {
|
|
/* `ai' contains the complete nfsd sockaddr. */
|
|
nfs_nb.buf = ai->ai_addr;
|
|
nfs_nb.len = nfs_nb.maxlen = ai->ai_addrlen;
|
|
} else {
|
|
/* Ask the remote rpcbind. */
|
|
nfs_nb.buf = &nfs_ss;
|
|
nfs_nb.len = nfs_nb.maxlen = sizeof nfs_ss;
|
|
|
|
if (!rpcb_getaddr(RPCPROG_NFS, nfsvers, nconf, &nfs_nb,
|
|
hostp)) {
|
|
if (rpc_createerr.cf_stat == RPC_PROGVERSMISMATCH &&
|
|
trymntmode == ANY) {
|
|
trymntmode = V2;
|
|
goto tryagain;
|
|
}
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s",
|
|
netid, hostp, spec,
|
|
clnt_spcreateerror("RPCPROG_NFS"));
|
|
return (returncode(rpc_createerr.cf_stat,
|
|
&rpc_createerr.cf_error));
|
|
}
|
|
}
|
|
|
|
/* Check that the server (nfsd) responds on the port we have chosen. */
|
|
clp = clnt_tli_create(RPC_ANYFD, nconf, &nfs_nb, RPCPROG_NFS, nfsvers,
|
|
0, 0);
|
|
if (clp == NULL) {
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid,
|
|
hostp, spec, clnt_spcreateerror("nfsd: RPCPROG_NFS"));
|
|
return (returncode(rpc_createerr.cf_stat,
|
|
&rpc_createerr.cf_error));
|
|
}
|
|
try.tv_sec = 10;
|
|
try.tv_usec = 0;
|
|
stat = clnt_call(clp, NFSPROC_NULL, xdr_void, NULL, xdr_void, NULL,
|
|
try);
|
|
if (stat != RPC_SUCCESS) {
|
|
if (stat == RPC_PROGVERSMISMATCH && trymntmode == ANY) {
|
|
clnt_destroy(clp);
|
|
trymntmode = V2;
|
|
goto tryagain;
|
|
}
|
|
clnt_geterr(clp, &rpcerr);
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid,
|
|
hostp, spec, clnt_sperror(clp, "NFSPROC_NULL"));
|
|
clnt_destroy(clp);
|
|
return (returncode(stat, &rpcerr));
|
|
}
|
|
clnt_destroy(clp);
|
|
|
|
/* Send the RPCMNT_MOUNT RPC to get the root filehandle. */
|
|
try.tv_sec = 10;
|
|
try.tv_usec = 0;
|
|
clp = clnt_tp_create(hostp, RPCPROG_MNT, mntvers, nconf_mnt);
|
|
if (clp == NULL) {
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt,
|
|
hostp, spec, clnt_spcreateerror("RPCMNT: clnt_create"));
|
|
return (returncode(rpc_createerr.cf_stat,
|
|
&rpc_createerr.cf_error));
|
|
}
|
|
clp->cl_auth = authsys_create_default();
|
|
if (nfsargsp->flags & NFSMNT_KERB)
|
|
nfhret.auth = RPCAUTH_KERB4;
|
|
else
|
|
nfhret.auth = RPCAUTH_UNIX;
|
|
nfhret.vers = mntvers;
|
|
stat = clnt_call(clp, RPCMNT_MOUNT, xdr_dir, spec, xdr_fh, &nfhret,
|
|
try);
|
|
auth_destroy(clp->cl_auth);
|
|
if (stat != RPC_SUCCESS) {
|
|
if (stat == RPC_PROGVERSMISMATCH && trymntmode == ANY) {
|
|
clnt_destroy(clp);
|
|
trymntmode = V2;
|
|
goto tryagain;
|
|
}
|
|
clnt_geterr(clp, &rpcerr);
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt,
|
|
hostp, spec, clnt_sperror(clp, "RPCPROG_MNT"));
|
|
clnt_destroy(clp);
|
|
return (returncode(stat, &rpcerr));
|
|
}
|
|
clnt_destroy(clp);
|
|
|
|
if (nfhret.stat != 0) {
|
|
snprintf(errbuf, sizeof errbuf, "[%s] %s:%s: %s", netid_mnt,
|
|
hostp, spec, strerror(nfhret.stat));
|
|
return (TRYRET_REMOTEERR);
|
|
}
|
|
|
|
/*
|
|
* Store the filehandle and server address in nfsargsp, making
|
|
* sure to copy any locally allocated structures.
|
|
*/
|
|
nfsargsp->addrlen = nfs_nb.len;
|
|
nfsargsp->addr = malloc(nfsargsp->addrlen);
|
|
nfsargsp->fhsize = nfhret.fhsize;
|
|
nfsargsp->fh = malloc(nfsargsp->fhsize);
|
|
if (nfsargsp->addr == NULL || nfsargsp->fh == NULL)
|
|
err(1, "malloc");
|
|
bcopy(nfs_nb.buf, nfsargsp->addr, nfsargsp->addrlen);
|
|
bcopy(nfhret.nfh, nfsargsp->fh, nfsargsp->fhsize);
|
|
|
|
if (nfsvers == 3)
|
|
nfsargsp->flags |= NFSMNT_NFSV3;
|
|
else
|
|
nfsargsp->flags &= ~NFSMNT_NFSV3;
|
|
|
|
return (TRYRET_SUCCESS);
|
|
}
|
|
|
|
|
|
/*
|
|
* Catagorise a RPC return status and error into an `enum tryret'
|
|
* return code.
|
|
*/
|
|
enum tryret
|
|
returncode(enum clnt_stat stat, struct rpc_err *rpcerr)
|
|
{
|
|
switch (stat) {
|
|
case RPC_TIMEDOUT:
|
|
return (TRYRET_TIMEOUT);
|
|
case RPC_PMAPFAILURE:
|
|
case RPC_PROGNOTREGISTERED:
|
|
case RPC_PROGVERSMISMATCH:
|
|
return (TRYRET_REMOTEERR);
|
|
case RPC_SYSTEMERROR:
|
|
switch (rpcerr->re_errno) {
|
|
case ETIMEDOUT:
|
|
return (TRYRET_TIMEOUT);
|
|
case ENOMEM:
|
|
break;
|
|
default:
|
|
return (TRYRET_REMOTEERR);
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
break;
|
|
}
|
|
return (TRYRET_LOCALERR);
|
|
}
|
|
|
|
/*
|
|
* xdr routines for mount rpc's
|
|
*/
|
|
int
|
|
xdr_dir(xdrsp, dirp)
|
|
XDR *xdrsp;
|
|
char *dirp;
|
|
{
|
|
return (xdr_string(xdrsp, &dirp, RPCMNT_PATHLEN));
|
|
}
|
|
|
|
int
|
|
xdr_fh(xdrsp, np)
|
|
XDR *xdrsp;
|
|
register struct nfhret *np;
|
|
{
|
|
register int i;
|
|
long auth, authcnt, authfnd = 0;
|
|
|
|
if (!xdr_u_long(xdrsp, &np->stat))
|
|
return (0);
|
|
if (np->stat)
|
|
return (1);
|
|
switch (np->vers) {
|
|
case 1:
|
|
np->fhsize = NFSX_V2FH;
|
|
return (xdr_opaque(xdrsp, (caddr_t)np->nfh, NFSX_V2FH));
|
|
case 3:
|
|
if (!xdr_long(xdrsp, &np->fhsize))
|
|
return (0);
|
|
if (np->fhsize <= 0 || np->fhsize > NFSX_V3FHMAX)
|
|
return (0);
|
|
if (!xdr_opaque(xdrsp, (caddr_t)np->nfh, np->fhsize))
|
|
return (0);
|
|
if (!xdr_long(xdrsp, &authcnt))
|
|
return (0);
|
|
for (i = 0; i < authcnt; i++) {
|
|
if (!xdr_long(xdrsp, &auth))
|
|
return (0);
|
|
if (auth == np->auth)
|
|
authfnd++;
|
|
}
|
|
/*
|
|
* Some servers, such as DEC's OSF/1 return a nil authenticator
|
|
* list to indicate RPCAUTH_UNIX.
|
|
*/
|
|
if (!authfnd && (authcnt > 0 || np->auth != RPCAUTH_UNIX))
|
|
np->stat = EAUTH;
|
|
return (1);
|
|
};
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
|
|
"usage: mount_nfs [-23KNPTUbcdilqs] [-D deadthresh] [-I readdirsize]",
|
|
" [-L leaseterm] [-R retrycnt] [-a maxreadahead]",
|
|
" [-g maxgroups] [-m realm] [-o options] [-r readsize]",
|
|
" [-t timeout] [-w writesize] [-x retrans] rhost:path node");
|
|
exit(1);
|
|
}
|