freebsd-dev/usr.bin/ncplogin/ncplogin.c
Boris Popov 27490905ca Add ncplogin/logout programs which allow manage connections
more precisely than mount_nwfs.

Obtained from:	ncplib-1.3.3
1999-10-31 02:14:59 +00:00

202 lines
5.3 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/types.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <err.h>
#include <stdio.h>
#include <unistd.h>
#include <strings.h>
#include <stdlib.h>
#include <sysexits.h>
#include <netncp/ncp_lib.h>
#include <netncp/ncp_rcfile.h>
extern char *__progname;
static void
login_usage() {
printf("usage: %s [-Dh] [-A host] [-BCN] [-I level] [-M mode] \n"
" [-R retrycount] [-W timeout] /server:user\n", __progname);
exit(1);
}
static void
logout_usage() {
printf("usage: %s [-c handle] [-h] [/server:user]\n", __progname);
exit(1);
}
static void
login(int argc, char *argv[], struct ncp_conn_loginfo *li) {
int error = 0, connid, opt, setprimary = 0;
while ((opt = getopt(argc, argv, STDPARAM_OPT"D")) != EOF){
switch(opt){
case STDPARAM_ARGS:
if (ncp_li_arg(li, opt, optarg))
exit(1);
break;
case 'D':
setprimary = 1;
break;
default:
login_usage();
/*NOTREACHED*/
}
}
if (li->access_mode == 0)
li->access_mode = S_IRWXU;
if (ncp_li_check(li))
exit(1);
li->opt |= NCP_OPT_WDOG | NCP_OPT_PERMANENT;
/* now we can try to login, or use already established connection */
error = ncp_li_login(li, &connid);
if (error) {
ncp_error("Could not login to server %s", error, li->server);
exit(1);
}
error = ncp_setpermanent(connid, 1);
if (error && errno != EACCES){
ncp_error("Can't make connection permanent", error);
exit(1);
}
if (setprimary && ncp_setprimary(connid, 1) != 0)
ncp_error("Warning: can't make connection primary", errno);
printf("Logged in with conn handle:%d\n", connid);
return;
}
static void
logout(int argc, char *argv[], struct ncp_conn_loginfo *li) {
int error = 0, connid, opt;
connid = -1;
while ((opt = getopt(argc, argv, STDPARAM_OPT"c:")) != EOF){
switch (opt) {
case 'c':
connid = atoi(optarg);
break;
case STDPARAM_ARGS:
if (ncp_li_arg(li, opt, optarg))
exit(1);
break;
default:
logout_usage();
/*NOTREACHED*/
}
}
if (connid == -1) {
if (li->server[0] == 0)
errx(EX_USAGE, "no server name specified");
if (li->user == 0)
errx(EX_USAGE, "no user name specified");
if (ncp_conn_scan(li, &connid))
errx(EX_OSERR, "You are not attached to server %s",
li->server);
}
if (ncp_setpermanent(connid, 0) < 0 && errno != EACCES) {
ncp_error("Connection isn't valid", errno);
exit(EX_OSERR);
}
error = ncp_disconnect(connid);
if (error) {
if (errno == EACCES) {
warnx("you logged out, but connection belongs"
"to other user and not closed");
} else {
ncp_error("Can't logout with connid %d", error, connid);
error = 1;
}
}
exit(error ? 1 : 0);
}
int
main(int argc, char *argv[]) {
int islogin, error;
char *p, *p1;
struct ncp_conn_loginfo li;
islogin = strcmp(__progname, "ncplogin") == 0;
if (argc == 2) {
if (strcmp(argv[1], "-h") == 0) {
if (islogin)
login_usage();
else
logout_usage();
}
}
if (ncp_initlib())
exit(1);
if (ncp_li_init(&li, argc, argv))
return 1;
if (argc >= 2 && argv[argc - 1][0] == '/') {
p = argv[argc - 1];
error = 1;
do {
if (*p++ != '/')
break;
p1 = strchr(p, ':');
if (p1 == NULL)
break;
*p1++ = 0;
if (ncp_li_setserver(&li, p))
break;
if (*p1 == 0)
break;
if (ncp_li_setuser(&li, p1)) break;
error = 0;
} while(0);
if (error)
errx(EX_DATAERR,
"an error occured while parsing '%s'",
argv[argc - 1]);
}
if (ncp_li_readrc(&li))
return 1;
if (ncp_rc)
rc_close(ncp_rc);
if (islogin)
login(argc, argv, &li);
else
logout(argc, argv, &li);
return 0;
}