FreeBSD-5.3/usr.sbin/mount_nwfs/mount_nwfs.c
/*
* Copyright (c) 1999, Boris Popov
* All rights reserved.
*
* 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 Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: src/usr.sbin/mount_nwfs/mount_nwfs.c,v 1.8 2003/07/25 20:56:57 peter Exp $
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/mount.h>
#include <sys/sysctl.h>
#include <machine/cpu.h>
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include <unistd.h>
#include <ctype.h>
#include <stdlib.h>
#include <err.h>
#include <sysexits.h>
#include <time.h>
#include <netncp/ncp_lib.h>
#include <netncp/ncp_rcfile.h>
#include <fs/nwfs/nwfs_mount.h>
#include "mntopts.h"
#define NWFS_VFSNAME "nwfs"
static char mount_point[MAXPATHLEN + 1];
static void usage(void);
static int parsercfile(struct ncp_conn_loginfo *li, struct nwfs_args *mdata);
static struct mntopt mopts[] = {
MOPT_STDOPTS,
{ NULL }
};
static int
parsercfile(struct ncp_conn_loginfo *li, struct nwfs_args *mdata) {
return 0;
}
int
main(int argc, char *argv[]) {
NWCONN_HANDLE connHandle;
struct nwfs_args mdata;
struct ncp_conn_loginfo li;
struct stat st;
struct nw_entry_info einfo;
struct tm *tm;
time_t ltime;
int opt, error, mntflags, nlsopt, wall_clock;
size_t len;
int mib[2];
char *p, *p1, tmp[1024];
u_char *pv;
if (argc < 2)
usage();
if (argc == 2) {
if (strcmp(argv[1], "-h") == 0) {
usage();
} else if (strcmp(argv[1], "-v") == 0) {
errx(EX_OK, "version %d.%d.%d", NWFS_VERSION / 100000,
(NWFS_VERSION % 10000) / 1000,
(NWFS_VERSION % 1000) / 100);
}
}
if(ncp_initlib()) exit(1);
mntflags = error = 0;
bzero(&mdata,sizeof(mdata));
mdata.uid = mdata.gid = -1;
nlsopt = 0;
if (ncp_li_init(&li, argc, argv)) return 1;
/*
* A little bit weird, but I should figure out which server/user to use
* _before_ reading .rc file
*/
if (argc >= 3 && argv[argc-1][0] != '-' && argv[argc-2][0] != '-' &&
argv[argc-2][0] == '/') {
p = argv[argc-2];
error = 1;
do {
if (*p++ != '/') break;
p1 = tmp;
while (*p != ':' && *p != 0) *p1++ = *p++;
if (*p++ == 0) break;
*p1 = 0;
if (ncp_li_setserver(&li, tmp)) break;
p1 = tmp;
while (*p != '/' && *p != 0) *p1++ = *p++;
if (*p++ == 0) break;
*p1 = 0;
if (ncp_li_setuser(&li, tmp)) break;
p1 = tmp;
while (*p != '/' && *p != 0) *p1++ = *p++;
*p1 = 0;
if (strlen(tmp) > NCP_VOLNAME_LEN) {
warnx("volume name too long: %s", tmp);
break;
}
ncp_str_upper(strcpy(mdata.mounted_vol,tmp));
if (*p == '/')
p++;
p1 = mdata.root_path + 2;
pv = mdata.root_path + 1;
for(;*p;) {
*pv = 0;
while (*p != '/' && *p) {
*p1++ = *p++;
(*pv)++;
}
if (*pv) {
ncp_nls_mem_u2n(pv + 1, pv + 1, *pv);
pv += (*pv) + 1;
mdata.root_path[0]++;
}
if (*p++ == 0) break;
p1++;
}
error = 0;
} while(0);
if (error)
errx(EX_DATAERR,
"an error occurred while parsing '%s'",
argv[argc - 2]);
}
if (ncp_li_readrc(&li)) return 1;
if (ncp_rc) {
parsercfile(&li,&mdata);
rc_close(ncp_rc);
}
while ((opt = getopt(argc, argv, STDPARAM_OPT"V:c:d:f:g:l:n:o:u:w:")) != -1) {
switch (opt) {
case STDPARAM_ARGS:
if (ncp_li_arg(&li, opt, optarg)) {
return 1;
}
break;
case 'V':
if (strlen(optarg) > NCP_VOLNAME_LEN)
errx(EX_DATAERR, "volume too long: %s", optarg);
ncp_str_upper(strcpy(mdata.mounted_vol,optarg));
break;
case 'u': {
struct passwd *pwd;
pwd = isdigit(optarg[0]) ?
getpwuid(atoi(optarg)) : getpwnam(optarg);
if (pwd == NULL)
errx(EX_NOUSER, "unknown user '%s'", optarg);
mdata.uid = pwd->pw_uid;
break;
}
case 'g': {
struct group *grp;
grp = isdigit(optarg[0]) ?
getgrgid(atoi(optarg)) : getgrnam(optarg);
if (grp == NULL)
errx(EX_NOUSER, "unknown group '%s'", optarg);
mdata.gid = grp->gr_gid;
break;
}
case 'd':
errno = 0;
mdata.dir_mode = strtol(optarg, &p, 8);
if (errno || *p != 0)
errx(EX_DATAERR, "invalid value for directory mode");
break;
case 'f':
errno = 0;
mdata.file_mode = strtol(optarg, &p, 8);
if (errno || *p != 0)
errx(EX_DATAERR, "invalid value for file mode");
break;
case '?':
usage();
/*NOTREACHED*/
case 'n': {
char *inp, *nsp;
nsp = inp = optarg;
while ((nsp = strsep(&inp, ",;:")) != NULL) {
if (strcasecmp(nsp, "OS2") == 0)
mdata.flags |= NWFS_MOUNT_NO_OS2;
else if (strcasecmp(nsp, "LONG") == 0)
mdata.flags |= NWFS_MOUNT_NO_LONG;
else if (strcasecmp(nsp, "NFS") == 0)
mdata.flags |= NWFS_MOUNT_NO_NFS;
else
errx(EX_DATAERR, "unknown namespace '%s'", nsp);
}
break;
};
case 'l':
if (ncp_nls_setlocale(optarg) != 0) return 1;
mdata.flags |= NWFS_MOUNT_HAVE_NLS;
break;
case 'o':
getmntopts(optarg, mopts, &mntflags, 0);
break;
case 'c':
switch (optarg[0]) {
case 'l':
nlsopt |= NWHP_LOWER;
break;
case 'u':
nlsopt |= NWHP_UPPER;
break;
case 'n':
nlsopt |= NWHP_LOWER | NWHP_UPPER;
break;
case 'L':
nlsopt |= NWHP_LOWER | NWHP_NOSTRICT;
break;
case 'U':
nlsopt |= NWHP_UPPER | NWHP_NOSTRICT;
break;
default:
errx(EX_DATAERR, "invalid suboption '%c' for -c",
optarg[0]);
}
break;
case 'w':
if (ncp_nls_setrecodebyname(optarg) != 0)
return 1;
mdata.flags |= NWFS_MOUNT_HAVE_NLS;
break;
default:
usage();
}
}
if (optind == argc - 2) {
optind++;
} else if (mdata.mounted_vol[0] == 0)
errx(EX_USAGE, "volume name should be specified");
if (optind != argc - 1)
usage();
realpath(argv[optind], mount_point);
if (stat(mount_point, &st) == -1)
err(EX_OSERR, "could not find mount point %s", mount_point);
if (!S_ISDIR(st.st_mode)) {
errno = ENOTDIR;
err(EX_OSERR, "can't mount on %s", mount_point);
}
if (ncp_geteinfo(mount_point, &einfo) == 0)
errx(EX_OSERR, "can't mount on %s twice", mount_point);
if (mdata.uid == -1) {
mdata.uid = st.st_uid;
}
if (mdata.gid == -1) {
mdata.gid = st.st_gid;
}
if (mdata.file_mode == 0 ) {
mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
if (mdata.dir_mode == 0) {
mdata.dir_mode = mdata.file_mode;
if ((mdata.dir_mode & S_IRUSR) != 0)
mdata.dir_mode |= S_IXUSR;
if ((mdata.dir_mode & S_IRGRP) != 0)
mdata.dir_mode |= S_IXGRP;
if ((mdata.dir_mode & S_IROTH) != 0)
mdata.dir_mode |= S_IXOTH;
}
if (li.access_mode == 0) {
li.access_mode = mdata.dir_mode;
}
/* if (mdata.flags & NWFS_MOUNT_HAVE_NLS) {*/
mdata.nls = ncp_nls;
/* }*/
mdata.nls.opt = nlsopt;
mib[0] = CTL_MACHDEP;
mib[1] = CPU_WALLCLOCK;
len = sizeof(wall_clock);
if (sysctl(mib, 2, &wall_clock, &len, NULL, 0) == -1)
err(EX_OSERR, "get wall_clock");
if (wall_clock == 0) {
time(<ime);
tm = localtime(<ime);
mdata.tz = -(tm->tm_gmtoff / 60);
}
error = ncp_li_check(&li);
if (error)
return 1;
li.opt |= NCP_OPT_WDOG;
/* well, now we can try to login, or use already established connection */
error = ncp_li_login(&li, &connHandle);
if (error) {
ncp_error("cannot login to server %s", error, li.server);
exit(1);
}
error = ncp_conn2ref(connHandle, &mdata.connRef);
if (error) {
ncp_error("could not convert handle to reference", error);
ncp_disconnect(connHandle);
exit(1);
}
strcpy(mdata.mount_point,mount_point);
mdata.version = NWFS_VERSION;
error = mount(NWFS_VFSNAME, mdata.mount_point, mntflags, (void*)&mdata);
if (error) {
ncp_error("mount error: %s", error, mdata.mount_point);
ncp_disconnect(connHandle);
exit(1);
}
/*
* I'm leave along my handle, but kernel should keep own ...
*/
ncp_disconnect(connHandle);
/* we are done ?, impossible ... */
return 0;
}
static void
usage(void)
{
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
"usage: mount_nwfs [-Chv] -S server -U user [-connection options]",
" -V volume [-M mode] [-c case] [-d mode] [-f mode]",
" [-g gid] [-l locale] [-n os2] [-u uid] [-w scheme]",
" node",
" mount_nwfs [-options] /server:user/volume[/path] node");
exit (1);
}