diff options
Diffstat (limited to 'system_cmds/chkpasswd.tproj/nis_passwd.c')
| -rw-r--r-- | system_cmds/chkpasswd.tproj/nis_passwd.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/system_cmds/chkpasswd.tproj/nis_passwd.c b/system_cmds/chkpasswd.tproj/nis_passwd.c new file mode 100644 index 0000000..c2e6e4f --- /dev/null +++ b/system_cmds/chkpasswd.tproj/nis_passwd.c @@ -0,0 +1,210 @@ +/* + * Copyright (c) 1999-2016 Apple Inc. All rights reserved. + * + * @APPLE_LICENSE_HEADER_START@ + * + * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights + * Reserved. This file contains Original Code and/or Modifications of + * Original Code as defined in and that are subject to the Apple Public + * Source License Version 1.0 (the 'License'). You may not use this file + * except in compliance with the License. Please obtain a copy of the + * License at http://www.apple.com/publicsource and read it before using + * this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License." + * + * @APPLE_LICENSE_HEADER_END@ + */ +/* + * Copyright (c) 1998 by Apple Computer, Inc. + * Portions Copyright (c) 1988 by Sun Microsystems, Inc. + * Portions 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. + */ + + +/* update a user's password in NIS. This was based on the Sun implementation + * we used in NEXTSTEP, although I've added some stuff from OpenBSD. And + * it uses the API to support Rhapsody's proprietry infosystem switch. + * lukeh + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <pwd.h> +#include <netinet/in.h> +#include <rpc/rpc.h> +#include <rpc/xdr.h> +#include <rpc/pmap_clnt.h> +#include <rpcsvc/yp_prot.h> +#include <rpcsvc/ypclnt.h> +#include <rpcsvc/yppasswd.h> +#include <netdb.h> +#include <sys/socket.h> +#include <sys/file.h> +#include <errno.h> + +#include "passwd.h" + +static struct passwd *ypgetpwnam(char *name, char *domain); + +int +nis_check_passwd(char *uname, char *domain) +{ + int port; + char *master; + struct passwd *pwd; + + if (domain == NULL) + { + if (yp_get_default_domain(&domain) != 0) + { + (void)fprintf(stderr, "can't get domain\n"); + exit(1); + } + } + + if (yp_master(domain, "passwd.byname", &master) != 0) + { + (void)fprintf(stderr, "can't get master for passwd file\n"); + exit(1); + } + + port = getrpcport(master, YPPASSWDPROG, YPPASSWDPROC_UPDATE, + IPPROTO_UDP); + if (port == 0) + { + (void)fprintf(stderr, "%s is not running yppasswd daemon\n", + master); + exit(1); + } + if (port >= IPPORT_RESERVED) + { + (void)fprintf(stderr, + "yppasswd daemon is not running on privileged port\n"); + exit(1); + } + + pwd = ypgetpwnam(uname, domain); + if (pwd == NULL) + { + (void)fprintf(stderr, "user %s not found\n", uname); + exit(1); + } + + checkpasswd(uname, pwd->pw_passwd); + return(0); +} + +static char * +pwskip(register char *p) +{ + while (*p && *p != ':' && *p != '\n') + ++p; + if (*p) + *p++ = 0; + return (p); +} + +static struct passwd * +interpret(struct passwd *pwent, char *line) +{ + register char *p = line; + + pwent->pw_passwd = "*"; + pwent->pw_uid = 0; + pwent->pw_gid = 0; + pwent->pw_gecos = ""; + pwent->pw_dir = ""; + pwent->pw_shell = ""; +#ifndef __SLICK__ + pwent->pw_change = 0; + pwent->pw_expire = 0; + pwent->pw_class = ""; +#endif + + /* 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); +} + +static struct passwd * +ypgetpwnam(char *nam, char *domain) +{ + static struct passwd pwent; + char *val; + int reason, vallen; + static char *__yplin = NULL; + + reason = yp_match(domain, "passwd.byname", nam, (int)strlen(nam), + &val, &vallen); + switch(reason) { + case 0: + break; + default: + return (NULL); + break; + } + val[vallen] = '\0'; + if (__yplin) + free(__yplin); + __yplin = (char *)malloc(vallen + 1); + strcpy(__yplin, val); + free(val); + + return(interpret(&pwent, __yplin)); +} |