freebsd-dev/sbin/mount_nwfs/mount_nwfs.c
Maxime Henrion 526ba6d32b Now that the kernel is able to load modules itself,
remove all the code which was trying to do so.
This code was nasty in several ways, it was hiding
the kernel bug where the kernel was unable to properly
load a module, and it was quitting if it wasn't able
to load the module.  The consequence is that an ABI
breakage of the vfsconf API would have broken *every*
mount utility.
2002-08-03 16:03:21 +00:00

366 lines
9.5 KiB
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.
*
* $FreeBSD$
*/
#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, 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(&ltime);
tm = localtime(&ltime);
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);
}