289 lines
6.8 KiB
C
289 lines
6.8 KiB
C
/* $NetBSD: pw_yp.c,v 1.6 1996/08/09 09:22:18 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1988 The Regents of the University of California.
|
|
* 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 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
|
|
#if 0
|
|
static char sccsid[] = "@(#)pw_yp.c 1.0 2/2/93";
|
|
#else
|
|
static char rcsid[] = "$NetBSD: pw_yp.c,v 1.6 1996/08/09 09:22:18 thorpej Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#ifdef YP
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <netdb.h>
|
|
#include <time.h>
|
|
#include <pwd.h>
|
|
#include <errno.h>
|
|
#include <rpc/rpc.h>
|
|
#include <rpcsvc/yp_prot.h>
|
|
#include <rpcsvc/ypclnt.h>
|
|
#define passwd yp_passwd_rec
|
|
#include <rpcsvc/yppasswd.h>
|
|
#undef passwd
|
|
|
|
static char *domain;
|
|
|
|
pw_yp(pw, uid)
|
|
struct passwd *pw;
|
|
uid_t uid;
|
|
{
|
|
char *master;
|
|
char *pp;
|
|
int r, rpcport, status;
|
|
struct yppasswd yppasswd;
|
|
struct timeval tv;
|
|
CLIENT *client;
|
|
extern char *getpass();
|
|
|
|
/*
|
|
* Get local domain
|
|
*/
|
|
if (!domain && (r = yp_get_default_domain(&domain)))
|
|
errx(1, "can't get local YP domain. Reason: %s",
|
|
yperr_string(r));
|
|
|
|
/*
|
|
* Find the host for the passwd map; it should be running
|
|
* the daemon.
|
|
*/
|
|
if ((r = yp_master(domain, "passwd.byname", &master)) != 0) {
|
|
warnx("can't find the master YP server. Reason: %s",
|
|
yperr_string(r));
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Ask the portmapper for the port of the daemon.
|
|
*/
|
|
if ((rpcport = getrpcport(master, YPPASSWDPROG, YPPASSWDPROC_UPDATE,
|
|
IPPROTO_UDP)) == 0) {
|
|
warnx("master YP server not running yppasswd daemon.\n\t%s\n",
|
|
"Can't change password.");
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Be sure the port is priviledged
|
|
*/
|
|
if (rpcport >= IPPORT_RESERVED) {
|
|
warnx("yppasswd daemon is on an invalid port.");
|
|
return (1);
|
|
}
|
|
|
|
/* prompt for old password */
|
|
bzero(&yppasswd, sizeof yppasswd);
|
|
yppasswd.oldpass = "none";
|
|
yppasswd.oldpass = getpass("Old password:");
|
|
if (!yppasswd.oldpass) {
|
|
warnx("Cancelled.");
|
|
return (1);
|
|
}
|
|
|
|
/* tell rpc.yppasswdd */
|
|
yppasswd.newpw.pw_name = pw->pw_name;
|
|
yppasswd.newpw.pw_passwd= pw->pw_passwd;
|
|
yppasswd.newpw.pw_uid = pw->pw_uid;
|
|
yppasswd.newpw.pw_gid = pw->pw_gid;
|
|
yppasswd.newpw.pw_gecos = pw->pw_gecos;
|
|
yppasswd.newpw.pw_dir = pw->pw_dir;
|
|
yppasswd.newpw.pw_shell = pw->pw_shell;
|
|
|
|
client = clnt_create(master, YPPASSWDPROG, YPPASSWDVERS, "udp");
|
|
if (client==NULL) {
|
|
warnx("cannot contact yppasswdd on %s: Reason: %s",
|
|
master, yperr_string(YPERR_YPBIND));
|
|
return (1);
|
|
}
|
|
client->cl_auth = authunix_create_default();
|
|
tv.tv_sec = 5;
|
|
tv.tv_usec = 0;
|
|
r = clnt_call(client, YPPASSWDPROC_UPDATE,
|
|
xdr_yppasswd, &yppasswd, xdr_int, &status, tv);
|
|
if (r) {
|
|
warnx("rpc to yppasswdd failed.");
|
|
return (1);
|
|
} else if (status)
|
|
printf("Couldn't change YP password.\n");
|
|
else
|
|
printf("%s %s, %s\n",
|
|
"The YP password information has been changed on",
|
|
master, "the master YP passwd server.");
|
|
return (0);
|
|
}
|
|
|
|
static char *
|
|
pwskip(p)
|
|
register char *p;
|
|
{
|
|
while (*p && *p != ':' && *p != '\n')
|
|
++p;
|
|
if (*p)
|
|
*p++ = 0;
|
|
return (p);
|
|
}
|
|
|
|
static struct passwd *
|
|
interpret(pwent, line)
|
|
struct passwd *pwent;
|
|
char *line;
|
|
{
|
|
register char *p = line;
|
|
register int c;
|
|
|
|
pwent->pw_passwd = "*";
|
|
pwent->pw_uid = 0;
|
|
pwent->pw_gid = 0;
|
|
pwent->pw_gecos = "";
|
|
pwent->pw_dir = "";
|
|
pwent->pw_shell = "";
|
|
pwent->pw_change = 0;
|
|
pwent->pw_expire = 0;
|
|
pwent->pw_class = "";
|
|
|
|
/* line without colon separators is no good, so ignore it */
|
|
if(!strchr(p,':'))
|
|
return(NULL);
|
|
|
|
pwent->pw_name = p;
|
|
p = pwskip(p);
|
|
pwent->pw_passwd = p;
|
|
p = pwskip(p);
|
|
pwent->pw_uid = (uid_t)strtoul(p, NULL, 10);
|
|
p = pwskip(p);
|
|
pwent->pw_gid = (gid_t)strtoul(p, NULL, 10);
|
|
p = pwskip(p);
|
|
pwent->pw_gecos = p;
|
|
p = pwskip(p);
|
|
pwent->pw_dir = p;
|
|
p = pwskip(p);
|
|
pwent->pw_shell = p;
|
|
while (*p && *p != '\n')
|
|
p++;
|
|
*p = '\0';
|
|
return (pwent);
|
|
}
|
|
|
|
struct passwd *
|
|
ypgetpwnam(nam)
|
|
char *nam;
|
|
{
|
|
static struct passwd pwent;
|
|
static char line[1024];
|
|
char *val;
|
|
int reason, vallen;
|
|
|
|
/*
|
|
* Get local domain
|
|
*/
|
|
if (!domain && (reason = yp_get_default_domain(&domain)))
|
|
errx(1, "can't get local YP domain. Reason: %s",
|
|
yperr_string(reason));
|
|
|
|
reason = yp_match(domain, "passwd.byname", nam, strlen(nam),
|
|
&val, &vallen);
|
|
switch(reason) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
return (NULL);
|
|
break;
|
|
}
|
|
val[vallen] = '\0';
|
|
strcpy(line, val);
|
|
free(val);
|
|
|
|
return(interpret(&pwent, line));
|
|
}
|
|
|
|
struct passwd *
|
|
ypgetpwuid(uid)
|
|
uid_t uid;
|
|
{
|
|
static struct passwd pwent;
|
|
static char line[1024];
|
|
char *val;
|
|
int reason, vallen;
|
|
char namebuf[16];
|
|
|
|
if (!domain && (reason = yp_get_default_domain(&domain)))
|
|
errx(1, "can't get local YP domain. Reason: %s\n",
|
|
yperr_string(reason));
|
|
|
|
sprintf(namebuf, "%d", uid);
|
|
reason = yp_match(domain, "passwd.byuid", namebuf, strlen(namebuf),
|
|
&val, &vallen);
|
|
switch(reason) {
|
|
case 0:
|
|
break;
|
|
default:
|
|
return (NULL);
|
|
break;
|
|
}
|
|
val[vallen] = '\0';
|
|
strcpy(line, val);
|
|
free(val);
|
|
|
|
return(interpret(&pwent, line));
|
|
}
|
|
|
|
void
|
|
yppw_error(name, err, eval)
|
|
const char *name;
|
|
int err, eval;
|
|
{
|
|
|
|
if (err)
|
|
warn(name);
|
|
|
|
errx(eval, "YP passwd information unchanged");
|
|
}
|
|
|
|
void
|
|
yppw_prompt()
|
|
{
|
|
int c;
|
|
|
|
(void)printf("re-edit the password file? [y]: ");
|
|
(void)fflush(stdout);
|
|
c = getchar();
|
|
if (c != EOF && c != '\n')
|
|
while (getchar() != '\n');
|
|
if (c == 'n')
|
|
yppw_error(NULL, 0, 0);
|
|
}
|
|
#endif /* YP */
|