7f72022f3d
uid_t and gid_t are unsigned. While initializing them to -1 and later checking against -1 to see if they are still at their default usually works, introduce two new flags and stop the inband signalling. Approved by: ed (co-mentor)
370 lines
9.6 KiB
C
370 lines
9.6 KiB
C
/*
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* Copyright (c) 1999, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/errno.h>
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#include <sys/mount.h>
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#include <sys/sysctl.h>
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#include <machine/cpu.h>
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#include <stdio.h>
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#include <string.h>
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#include <pwd.h>
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#include <grp.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <err.h>
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#include <sysexits.h>
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#include <time.h>
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#include <netncp/ncp_lib.h>
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#include <netncp/ncp_rcfile.h>
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#include <fs/nwfs/nwfs_mount.h>
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#include "mntopts.h"
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#define NWFS_VFSNAME "nwfs"
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static char mount_point[MAXPATHLEN + 1];
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static void usage(void);
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static int parsercfile(struct ncp_conn_loginfo *li, struct nwfs_args *mdata);
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static struct mntopt mopts[] = {
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MOPT_STDOPTS,
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MOPT_END
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};
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static int
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parsercfile(struct ncp_conn_loginfo *li __unused,
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struct nwfs_args *mdata __unused)
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{
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return 0;
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}
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int
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main(int argc, char *argv[])
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{
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NWCONN_HANDLE connHandle;
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struct nwfs_args mdata;
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struct ncp_conn_loginfo li;
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struct stat st;
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struct nw_entry_info einfo;
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struct tm *tm;
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time_t ltime;
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int opt, error, mntflags, nlsopt, wall_clock;
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int uid_set, gid_set;
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size_t len;
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char *p, *p1, tmp[1024];
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u_char *pv;
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if (argc < 2)
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usage();
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if (argc == 2) {
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if (strcmp(argv[1], "-h") == 0) {
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usage();
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} else if (strcmp(argv[1], "-v") == 0) {
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errx(EX_OK, "version %d.%d.%d", NWFS_VERSION / 100000,
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(NWFS_VERSION % 10000) / 1000,
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(NWFS_VERSION % 1000) / 100);
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}
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}
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if(ncp_initlib()) exit(1);
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mntflags = error = 0;
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bzero(&mdata,sizeof(mdata));
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gid_set = uid_set = 0;
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nlsopt = 0;
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if (ncp_li_init(&li, argc, argv)) return 1;
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/*
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* A little bit weird, but I should figure out which server/user to use
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* _before_ reading .rc file
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*/
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if (argc >= 3 && argv[argc-1][0] != '-' && argv[argc-2][0] != '-' &&
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argv[argc-2][0] == '/') {
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p = argv[argc-2];
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error = 1;
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do {
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if (*p++ != '/') break;
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p1 = tmp;
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while (*p != ':' && *p != 0) *p1++ = *p++;
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if (*p++ == 0) break;
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*p1 = 0;
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if (ncp_li_setserver(&li, tmp)) break;
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p1 = tmp;
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while (*p != '/' && *p != 0) *p1++ = *p++;
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if (*p++ == 0) break;
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*p1 = 0;
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if (ncp_li_setuser(&li, tmp)) break;
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p1 = tmp;
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while (*p != '/' && *p != 0) *p1++ = *p++;
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*p1 = 0;
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if (strlen(tmp) > NCP_VOLNAME_LEN) {
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warnx("volume name too long: %s", tmp);
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break;
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}
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ncp_str_upper(strcpy(mdata.mounted_vol,tmp));
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if (*p == '/')
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p++;
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p1 = mdata.root_path + 2;
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pv = mdata.root_path + 1;
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for(;*p;) {
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*pv = 0;
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while (*p != '/' && *p) {
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*p1++ = *p++;
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(*pv)++;
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}
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if (*pv) {
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ncp_nls_mem_u2n(pv + 1, pv + 1, *pv);
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pv += (*pv) + 1;
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mdata.root_path[0]++;
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}
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if (*p++ == 0) break;
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p1++;
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}
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error = 0;
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} while(0);
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if (error)
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errx(EX_DATAERR,
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"an error occurred while parsing '%s'",
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argv[argc - 2]);
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}
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if (ncp_li_readrc(&li)) return 1;
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if (ncp_rc) {
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parsercfile(&li,&mdata);
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rc_close(ncp_rc);
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}
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while ((opt = getopt(argc, argv, STDPARAM_OPT"V:c:d:f:g:l:n:o:u:w:")) != -1) {
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switch (opt) {
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case STDPARAM_ARGS:
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if (ncp_li_arg(&li, opt, optarg)) {
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return 1;
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}
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break;
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case 'V':
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if (strlen(optarg) > NCP_VOLNAME_LEN)
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errx(EX_DATAERR, "volume too long: %s", optarg);
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ncp_str_upper(strcpy(mdata.mounted_vol,optarg));
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break;
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case 'u': {
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struct passwd *pwd;
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pwd = isdigit(optarg[0]) ?
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getpwuid(atoi(optarg)) : getpwnam(optarg);
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if (pwd == NULL)
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errx(EX_NOUSER, "unknown user '%s'", optarg);
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mdata.uid = pwd->pw_uid;
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uid_set = 1;
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break;
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}
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case 'g': {
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struct group *grp;
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grp = isdigit(optarg[0]) ?
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getgrgid(atoi(optarg)) : getgrnam(optarg);
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if (grp == NULL)
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errx(EX_NOUSER, "unknown group '%s'", optarg);
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mdata.gid = grp->gr_gid;
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gid_set = 1;
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break;
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}
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case 'd':
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errno = 0;
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mdata.dir_mode = strtol(optarg, &p, 8);
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if (errno || *p != 0)
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errx(EX_DATAERR, "invalid value for directory mode");
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break;
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case 'f':
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errno = 0;
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mdata.file_mode = strtol(optarg, &p, 8);
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if (errno || *p != 0)
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errx(EX_DATAERR, "invalid value for file mode");
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break;
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case '?':
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usage();
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/*NOTREACHED*/
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case 'n': {
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char *inp, *nsp;
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nsp = inp = optarg;
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while ((nsp = strsep(&inp, ",;:")) != NULL) {
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if (strcasecmp(nsp, "OS2") == 0)
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mdata.flags |= NWFS_MOUNT_NO_OS2;
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else if (strcasecmp(nsp, "LONG") == 0)
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mdata.flags |= NWFS_MOUNT_NO_LONG;
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else if (strcasecmp(nsp, "NFS") == 0)
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mdata.flags |= NWFS_MOUNT_NO_NFS;
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else
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errx(EX_DATAERR, "unknown namespace '%s'", nsp);
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}
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break;
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};
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case 'l':
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if (ncp_nls_setlocale(optarg) != 0) return 1;
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mdata.flags |= NWFS_MOUNT_HAVE_NLS;
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break;
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case 'c':
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switch (optarg[0]) {
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case 'l':
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nlsopt |= NWHP_LOWER;
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break;
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case 'u':
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nlsopt |= NWHP_UPPER;
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break;
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case 'n':
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nlsopt |= NWHP_LOWER | NWHP_UPPER;
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break;
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case 'L':
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nlsopt |= NWHP_LOWER | NWHP_NOSTRICT;
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break;
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case 'U':
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nlsopt |= NWHP_UPPER | NWHP_NOSTRICT;
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break;
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default:
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errx(EX_DATAERR, "invalid suboption '%c' for -c",
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optarg[0]);
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}
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break;
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case 'w':
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if (ncp_nls_setrecodebyname(optarg) != 0)
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return 1;
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mdata.flags |= NWFS_MOUNT_HAVE_NLS;
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break;
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default:
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usage();
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}
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}
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if (optind == argc - 2) {
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optind++;
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} else if (mdata.mounted_vol[0] == 0)
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errx(EX_USAGE, "volume name should be specified");
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if (optind != argc - 1)
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usage();
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realpath(argv[optind], mount_point);
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if (stat(mount_point, &st) == -1)
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err(EX_OSERR, "could not find mount point %s", mount_point);
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if (!S_ISDIR(st.st_mode)) {
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errno = ENOTDIR;
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err(EX_OSERR, "can't mount on %s", mount_point);
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}
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if (ncp_geteinfo(mount_point, &einfo) == 0)
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errx(EX_OSERR, "can't mount on %s twice", mount_point);
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if (uid_set == 0) {
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mdata.uid = st.st_uid;
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}
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if (gid_set == 0) {
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mdata.gid = st.st_gid;
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}
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if (mdata.file_mode == 0 ) {
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mdata.file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
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}
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if (mdata.dir_mode == 0) {
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mdata.dir_mode = mdata.file_mode;
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if ((mdata.dir_mode & S_IRUSR) != 0)
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mdata.dir_mode |= S_IXUSR;
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if ((mdata.dir_mode & S_IRGRP) != 0)
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mdata.dir_mode |= S_IXGRP;
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if ((mdata.dir_mode & S_IROTH) != 0)
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mdata.dir_mode |= S_IXOTH;
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}
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if (li.access_mode == 0) {
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li.access_mode = mdata.dir_mode;
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}
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/* if (mdata.flags & NWFS_MOUNT_HAVE_NLS) {*/
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mdata.nls = ncp_nls;
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/* }*/
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mdata.nls.opt = nlsopt;
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len = sizeof(wall_clock);
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if (sysctlbyname("machdep.wall_cmos_clock", &wall_clock, &len, NULL, 0) == -1)
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err(EX_OSERR, "get wall_clock");
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if (wall_clock == 0) {
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time(<ime);
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tm = localtime(<ime);
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mdata.tz = -(tm->tm_gmtoff / 60);
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}
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error = ncp_li_check(&li);
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if (error)
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return 1;
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li.opt |= NCP_OPT_WDOG;
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/* well, now we can try to login, or use already established connection */
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error = ncp_li_login(&li, &connHandle);
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if (error) {
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ncp_error("cannot login to server %s", error, li.server);
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exit(1);
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}
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error = ncp_conn2ref(connHandle, &mdata.connRef);
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if (error) {
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ncp_error("could not convert handle to reference", error);
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ncp_disconnect(connHandle);
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exit(1);
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}
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strcpy(mdata.mount_point,mount_point);
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mdata.version = NWFS_VERSION;
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error = mount(NWFS_VFSNAME, mdata.mount_point, mntflags, (void*)&mdata);
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if (error) {
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ncp_error("mount error: %s", error, mdata.mount_point);
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ncp_disconnect(connHandle);
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exit(1);
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}
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/*
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* I'm leave along my handle, but kernel should keep own ...
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*/
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ncp_disconnect(connHandle);
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/* we are done ?, impossible ... */
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return 0;
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}
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static void
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usage(void)
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{
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fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
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"usage: mount_nwfs [-Chv] -S server -U user [-connection options]",
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" -V volume [-M mode] [-c case] [-d mode] [-f mode]",
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" [-g gid] [-l locale] [-n os2] [-u uid] [-w scheme]",
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" node",
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" mount_nwfs [-options] /server:user/volume[/path] node");
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exit (1);
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}
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