diff options
Diffstat (limited to 'release/picobsd/tinyware/passwd/passwd.c')
| -rw-r--r-- | release/picobsd/tinyware/passwd/passwd.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/release/picobsd/tinyware/passwd/passwd.c b/release/picobsd/tinyware/passwd/passwd.c new file mode 100644 index 000000000000..d24165037a5a --- /dev/null +++ b/release/picobsd/tinyware/passwd/passwd.c @@ -0,0 +1,250 @@ +/* + * Copyright (c) 1988, 1993, 1994 + * 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 +static const char copyright[] = +"@(#) Copyright (c) 1988, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)passwd.c 8.3 (Berkeley) 4/2/94"; +#endif +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ + +#include <sys/types.h> + +#include <err.h> +#include <errno.h> +#include <libutil.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#ifdef YP +#include <pwd.h> +#include <pw_yp.h> +#include <rpcsvc/yp.h> +int __use_yp = 0; +int yp_errno = YP_TRUE; +extern int yp_passwd( char * ); +#endif + +#ifdef KERBEROS +#include "krb.h" +#endif + +#include "extern.h" + +static void usage(void); + +int use_local_passwd = 0; + +int +main(argc, argv) + int argc; + char **argv; +{ + int ch; + char *uname; +#ifdef KERBEROS + char *iflag = 0, *rflag = 0, *uflag = 0; + char *k; +#endif + +#ifdef YP +#ifdef KERBEROS + char realm[REALM_SZ]; +#define OPTIONS "d:h:lysfoi:r:u:" +#else +#define OPTIONS "d:h:lysfo" +#endif +#else +#ifdef KERBEROS + char realm[REALM_SZ]; +#define OPTIONS "li:r:u:" +#else +#define OPTIONS "l" +#endif +#endif + +#ifdef YP + int res = 0; + + if (strstr(argv[0], "yppasswd")) __use_yp = 1; +#endif + + while ((ch = getopt(argc, argv, OPTIONS)) != -1) { + switch (ch) { + case 'l': /* change local password file */ + use_local_passwd = 1; + break; +#ifdef KERBEROS + case 'i': + iflag = optarg; + break; + case 'r': + rflag = optarg; + break; + case 'u': + uflag = optarg; + break; +#endif /* KERBEROS */ +#ifdef YP + case 'y': /* Change NIS password */ + __use_yp = 1; + break; + case 'd': /* Specify NIS domain. */ +#ifdef PARANOID + if (!getuid()) { +#endif + yp_domain = optarg; + if (yp_server == NULL) + yp_server = "localhost"; +#ifdef PARANOID + } else { + warnx("only the super-user may use the -d flag"); + } +#endif + break; + case 'h': /* Specify NIS server. */ +#ifdef PARANOID + if (!getuid()) { +#endif + yp_server = optarg; +#ifdef PARANOID + } else { + warnx("only the super-user may use the -h flag"); + } +#endif + break; + case 'o': + force_old++; + break; +#endif + default: + case '?': + usage(); + } + } + + argc -= optind; + argv += optind; + + if ((uname = getlogin()) == NULL) + err(1, "getlogin"); + + switch(argc) { + case 0: + break; + case 1: + uname = argv[0]; + break; + default: + usage(); + } + +#ifdef YP + /* + * If NIS is turned on in the password database, use it, else punt. + */ +#ifdef KERBEROS + if (__use_yp || (iflag == NULL && rflag == NULL && uflag == NULL)) { +#endif + res = use_yp(uname, 0, 0); + if (res == USER_YP_ONLY) { + if (!use_local_passwd) { + exit(yp_passwd(uname)); + } else { + /* + * Reject -l flag if NIS is turned on and the user + * doesn't exist in the local password database. + */ + errx(1, "unknown local user: %s", uname); + } + } else if (res == USER_LOCAL_ONLY) { + /* + * Reject -y flag if user only exists locally. + */ + if (__use_yp) + errx(1, "unknown NIS user: %s", uname); + } else if (res == USER_YP_AND_LOCAL) { + if (!use_local_passwd && (yp_in_pw_file || __use_yp)) + exit(yp_passwd(uname)); + } +#ifdef KERBEROS + } +#endif +#endif + + if (!use_local_passwd) { +#ifdef KERBEROS + k = auth_getval("auth_list"); + if (k && strstr(k, "kerberos")) + if(krb_get_lrealm(realm, 0) == KSUCCESS) { + setuid(getuid()); + fprintf(stderr, "realm %s\n", realm); + exit(krb_passwd(argv[0], iflag, rflag, uflag)); + } +#endif + } + exit(local_passwd(uname)); +} + +static void +usage() +{ + +#ifdef YP +#ifdef KERBEROS + fprintf(stderr, "%s\n%s\n", + "usage: passwd [-l] [-i instance] [-r realm] [-u fullname]", + " passwd [-l] [-y] [-o] [-d domain [-h host]] [user]"); +#else + (void)fprintf(stderr, + "usage: passwd [-l] [-y] [-o] [-d domain [-h host]] [user]\n"); +#endif +#else +#ifdef KERBEROS + fprintf(stderr, + "usage: passwd [-l] [-i instance] [-r realm] [-u fullname] [user]\n"); +#else + (void)fprintf(stderr, "usage: passwd user\n"); +#endif +#endif + exit(1); +} |