Add YP support.
This commit is contained in:
brezak
parent
23f01fa004
commit
96267d0e22
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@ -1,11 +1,18 @@
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# @(#)Makefile 5.5 (Berkeley) 2/19/91
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PROG= chpass
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SRCS= chpass.c edit.c field.c pw_copy.c pw_scan.c pw_util.c table.c util.c
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SRCS= chpass.c edit.c field.c pw_copy.c pw_scan.c pw_util.c pw_yp.c table.c util.c getpwent.c
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BINOWN= root
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BINMODE=4555
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.PATH: ${.CURDIR}/../../usr.sbin/pwd_mkdb ${.CURDIR}/../../usr.sbin/vipw
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.PATH: ${.CURDIR}/../../usr.sbin/pwd_mkdb ${.CURDIR}/../../usr.sbin/vipw \
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${.CURDIR}/../../lib/libc/gen
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LINKS= ${BINDIR}/chpass ${BINDIR}/chfn ${BINDIR}/chpass ${BINDIR}/chsh
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MLINKS= chpass.1 chfn.1 chpass.1 chsh.1
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CFLAGS+=-DYP
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DPADD+= ${LIBRPCSVC}
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LDADD+= -lrpcsvc
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.include <bsd.prog.mk>
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getpwent.o: getpwent.c
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${CC} ${CFLAGS} -UYP -c ${.IMPSRC}
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@ -59,6 +59,12 @@ char *progname = "chpass";
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char *tempname;
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uid_t uid;
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#ifdef YP
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int use_yp;
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int force_yp = 0;
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extern struct passwd *ypgetpwnam(), *ypgetpwuid();
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#endif
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main(argc, argv)
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int argc;
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char **argv;
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@ -71,8 +77,12 @@ main(argc, argv)
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int ch, pfd, tfd;
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char *arg;
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#ifdef YP
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use_yp = _yp_check(NULL);
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#endif
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op = EDITENTRY;
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while ((ch = getopt(argc, argv, "a:s:")) != EOF)
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while ((ch = getopt(argc, argv, "a:s:ly")) != EOF)
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switch(ch) {
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case 'a':
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op = LOADENTRY;
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@ -82,6 +92,19 @@ main(argc, argv)
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op = NEWSH;
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arg = optarg;
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break;
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#ifdef YP
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case 'l':
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use_yp = 0;
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break;
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case 'y':
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if (!use_yp) {
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fprintf(stderr, "chpass: YP not in use.\n");
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usage();
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exit(1);
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}
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force_yp = 1;
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break;
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#endif
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case '?':
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default:
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usage();
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@ -89,19 +112,39 @@ main(argc, argv)
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argc -= optind;
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argv += optind;
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#ifdef YP
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if (op == LOADENTRY && use_yp) {
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(void)fprintf(stderr, "chpass: cannot load entry using NIS.\n\tUse the -l flag to load local.\n");
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exit(1);
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}
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#endif
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uid = getuid();
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if (op == EDITENTRY || op == NEWSH)
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switch(argc) {
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case 0:
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if (!(pw = getpwuid(uid))) {
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pw = getpwuid(uid);
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#ifdef YP
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if (pw && !force_yp)
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use_yp = 0;
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else if (use_yp)
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pw = ypgetpwuid(uid);
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#endif /* YP */
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if (!pw) {
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(void)fprintf(stderr,
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"chpass: unknown user: uid %u\n", uid);
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exit(1);
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}
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break;
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case 1:
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if (!(pw = getpwnam(*argv))) {
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pw = getpwnam(*argv);
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#ifdef YP
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if (pw && !force_yp)
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use_yp = 0;
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else if (use_yp)
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pw = ypgetpwnam(*argv);
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#endif /* YP */
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if (!pw) {
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(void)fprintf(stderr,
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"chpass: unknown user %s.\n", *argv);
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exit(1);
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@ -165,10 +208,21 @@ main(argc, argv)
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tfd = pw_tmp();
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}
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#ifdef YP
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if (use_yp) {
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(void)unlink(tempname);
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if (pw_yp(pw, uid))
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pw_error((char *)NULL, 0, 1);
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else
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exit(0);
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}
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else
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#endif /* YP */
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pw_copy(pfd, tfd, pw);
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if (!pw_mkdb())
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pw_error((char *)NULL, 0, 1);
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exit(0);
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}
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@ -180,6 +234,10 @@ baduser()
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usage()
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{
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#ifdef YP
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(void)fprintf(stderr, "usage: chpass [-a list] [-s shell] [-l]%s [user]\n", use_yp?" [-y]":"");
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#else
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(void)fprintf(stderr, "usage: chpass [-a list] [-s shell] [user]\n");
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#endif
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exit(1);
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}
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@ -0,0 +1,258 @@
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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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 the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its 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 REGENTS 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 REGENTS 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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#ifndef lint
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static char sccsid[] = "@(#)pw_yp.c 1.0 2/2/93";
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#endif /* not lint */
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#ifdef YP
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#include <stdio.h>
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#include <string.h>
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#include <netdb.h>
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#include <time.h>
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#include <pwd.h>
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#include <errno.h>
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#include <rpc/rpc.h>
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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#define passwd yp_passwd_rec
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#include <rpcsvc/yppasswd.h>
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#undef passwd
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extern char *progname;
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static char *domain;
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pw_yp(pw, uid)
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struct passwd *pw;
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uid_t uid;
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{
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char *master;
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char *pp;
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int r, rpcport, status;
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struct yppasswd yppasswd;
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struct timeval tv;
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CLIENT *client;
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extern char *getpass();
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/*
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* Get local domain
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*/
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if (!domain && (r = yp_get_default_domain(&domain))) {
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(void)fprintf(stderr, "%s: can't get local NIS domain. Reason: %s\n", progname, yperr_string(r));
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return(0);
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}
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/*
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* Find the host for the passwd map; it should be running
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* the daemon.
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*/
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if ((r = yp_master(domain, "passwd.byname", &master)) != 0) {
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(void)fprintf(stderr, "%s: can't find the master NIS server. Reason: %s\n", progname, yperr_string(r));
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return(0);
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}
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/*
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* Ask the portmapper for the port of the daemon.
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*/
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if ((rpcport = getrpcport(master, YPPASSWDPROG, YPPASSWDPROC_UPDATE, IPPROTO_UDP)) == 0) {
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(void)fprintf(stderr, "%s: master NIS server not running yppasswd daemon.\n\tCan't change password.\n", progname);
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return(0);
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}
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/*
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* Be sure the port is priviledged
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*/
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if (rpcport >= IPPORT_RESERVED) {
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(void)fprintf(stderr, "%s: yppasswd daemon running on an invalid port.\n", progname);
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return(0);
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}
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/* prompt for old password */
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yppasswd.oldpass = "none";
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if (uid)
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yppasswd.oldpass = getpass("Old password:");
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if (!yppasswd.oldpass) {
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(void)fprintf(stderr, "Cancelled.\n");
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return(0);
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}
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/* tell rpc.yppasswdd */
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yppasswd.newpw.pw_name = pw->pw_name;
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yppasswd.newpw.pw_passwd= pw->pw_passwd;
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yppasswd.newpw.pw_uid = pw->pw_uid;
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yppasswd.newpw.pw_gid = pw->pw_gid;
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yppasswd.newpw.pw_gecos = pw->pw_gecos;
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yppasswd.newpw.pw_dir = pw->pw_dir;
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yppasswd.newpw.pw_shell = pw->pw_shell;
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client = clnt_create(master, YPPASSWDPROG, YPPASSWDVERS, "udp");
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if (client==NULL) {
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fprintf(stderr, "can't contact yppasswdd on %s: Reason: %s\n",
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master, yperr_string(YPERR_YPBIND));
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return(0);
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}
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client->cl_auth = authunix_create_default();
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tv.tv_sec = 2;
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tv.tv_usec = 0;
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r = clnt_call(client, YPPASSWDPROC_UPDATE,
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xdr_yppasswd, &yppasswd, xdr_int, &status, tv);
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if (r) {
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fprintf(stderr, "%s: rpc to yppasswdd failed.\n");
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return(0);
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}
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else if (status) {
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printf("Couldn't change NIS password information.\n");
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return(0);
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}
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else
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printf("The NIS password information has been changed on %s, the master NIS passwd server.\n", master);
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return(1);
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}
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static char *
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pwskip(register char *p)
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{
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while (*p && *p != ':' && *p != '\n')
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++p;
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if (*p)
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*p++ = 0;
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return (p);
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}
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static struct passwd *
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interpret(struct passwd *pwent, char *line)
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{
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register char *p = line;
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register int c;
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pwent->pw_passwd = "*";
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pwent->pw_uid = 0;
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pwent->pw_gid = 0;
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pwent->pw_gecos = "";
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pwent->pw_dir = "";
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pwent->pw_shell = "";
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pwent->pw_change = 0;
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pwent->pw_expire = 0;
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pwent->pw_class = "";
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/* line without colon separators is no good, so ignore it */
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if(!strchr(p,':'))
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return(NULL);
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pwent->pw_name = p;
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p = pwskip(p);
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pwent->pw_passwd = p;
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p = pwskip(p);
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pwent->pw_uid = (uid_t)strtoul(p, NULL, 10);
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p = pwskip(p);
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pwent->pw_gid = (gid_t)strtoul(p, NULL, 10);
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p = pwskip(p);
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pwent->pw_gecos = p;
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p = pwskip(p);
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pwent->pw_dir = p;
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p = pwskip(p);
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pwent->pw_shell = p;
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while (*p && *p != '\n')
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p++;
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*p = '\0';
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return (pwent);
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}
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struct passwd *
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ypgetpwnam(nam)
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char *nam;
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{
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static struct passwd pwent;
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static char line[1024];
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char *val;
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int reason, vallen;
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/*
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* Get local domain
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*/
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if (!domain && (reason = yp_get_default_domain(&domain))) {
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(void)fprintf(stderr, "%s: can't get local NIS domain. Reason: %s\n", progname, yperr_string(reason));
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exit(1);
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}
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reason = yp_match(domain, "passwd.byname", nam, strlen(nam),
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&val, &vallen);
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switch(reason) {
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case 0:
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break;
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default:
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return (NULL);
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break;
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}
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val[vallen] = '\0';
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strcpy(line, val);
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free(val);
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return(interpret(&pwent, line));
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}
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struct passwd *
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ypgetpwuid(uid)
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uid_t uid;
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{
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static struct passwd pwent;
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static char line[1024];
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char *val;
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int reason, vallen;
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char namebuf[16];
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if (!domain && (reason = yp_get_default_domain(&domain))) {
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(void)fprintf(stderr, "%s: can't get local NIS domain. Reason: %s\n", progname, yperr_string(reason));
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exit(1);
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}
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sprintf(namebuf, "%d", uid);
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reason = yp_match(domain, "passwd.byuid", namebuf, strlen(namebuf),
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&val, &vallen);
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switch(reason) {
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case 0:
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break;
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default:
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return (NULL);
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break;
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}
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val[vallen] = '\0';
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strcpy(line, val);
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free(val);
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return(interpret(&pwent, line));
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}
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#endif /* YP */
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@ -1,15 +1,20 @@
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# @(#)Makefile 5.11 (Berkeley) 2/19/91
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PROG= passwd
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SRCS= local_passwd.c passwd.c pw_copy.c pw_util.c
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SRCS= local_passwd.c yp_passwd.c passwd.c pw_copy.c pw_util.c getpwent.c
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.PATH: ${.CURDIR}/../../usr.bin/chpass ${.CURDIR}/../../usr.sbin/vipw \
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${.CURDIR}/../rlogin
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CFLAGS+=-I${.CURDIR}
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${.CURDIR}/../rlogin ${.CURDIR}/../../lib/libc/gen
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CFLAGS+=-I${.CURDIR} -DYP
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BINOWN= root
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BINMODE=4555
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DPADD+= ${LIBRPCSVC}
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LDADD+= -lrpcsvc
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.ifndef EXPORTABLE_SYSTEM
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DPADD+= ${LIBCRYPT}
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LDADD+= -lcrypt
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.endif
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.include <bsd.prog.mk>
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getpwent.o: getpwent.c
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${CC} ${CFLAGS} -UYP -c ${.IMPSRC}
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@ -44,8 +44,22 @@ static char sccsid[] = "@(#)passwd.c 5.5 (Berkeley) 7/6/91";
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#include <stdio.h>
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#include <unistd.h>
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/*
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* Note on configuration:
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* Generally one would not use both Kerberos and YP
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* to maintain passwords.
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*
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*/
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#ifdef KERBEROS
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int use_kerberos = 1;
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#else
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int use_kerberos = 0;
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#endif
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#ifdef YP
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int force_yp = 0;
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int use_yp;
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#else
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int use_yp = 0;
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#endif
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main(argc, argv)
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@ -55,16 +69,43 @@ main(argc, argv)
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extern int optind;
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register int ch;
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char *uname;
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#ifdef KERBEROS
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while ((ch = getopt(argc, argv, "l")) != EOF)
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int status;
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#ifdef YP
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use_yp = _yp_check(NULL);
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#endif
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while ((ch = getopt(argc, argv, "lky")) != EOF)
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switch (ch) {
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case 'l': /* change local password file */
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use_kerberos = 0;
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use_yp = 0;
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break;
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case 'k': /* change Kerberos password */
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#ifdef KERBEROS
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use_kerberos = 1;
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use_yp = 0;
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break;
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#else
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while ((ch = getopt(argc, argv, "")) != EOF)
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switch (ch) {
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usage();
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exit(1);
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#endif
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case 'y': /* change YP password */
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#ifdef YP
|
||||
if (!use_yp) {
|
||||
fprintf(stderr, "passwd: YP not in use.\n");
|
||||
usage();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* XXX Maybe just exec yppasswd ?? */
|
||||
use_kerberos = 0;
|
||||
use_yp = 1;
|
||||
force_yp = 1;
|
||||
break;
|
||||
#else
|
||||
usage();
|
||||
exit(1);
|
||||
#endif
|
||||
default:
|
||||
case '?':
|
||||
|
|
@ -76,7 +117,11 @@ main(argc, argv)
|
|||
argv += optind;
|
||||
|
||||
uname = getlogin();
|
||||
|
||||
if (uname == NULL) {
|
||||
fprintf(stderr, "passwd: who are you ??\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
switch(argc) {
|
||||
case 0:
|
||||
break;
|
||||
|
|
@ -100,15 +145,24 @@ main(argc, argv)
|
|||
#ifdef KERBEROS
|
||||
if (use_kerberos)
|
||||
exit(krb_passwd());
|
||||
#endif
|
||||
#ifdef YP
|
||||
if (force_yp || ((status = local_passwd(uname)) && use_yp))
|
||||
exit(nis_passwd(uname));
|
||||
exit(status);
|
||||
#endif
|
||||
exit(local_passwd(uname));
|
||||
}
|
||||
|
||||
usage()
|
||||
{
|
||||
#ifdef KERBEROS
|
||||
#if defined(KERBEROS) && defined(YP)
|
||||
(void)fprintf(stderr, "usage: passwd [-l] [-k] [-y] user\n");
|
||||
#else /* !(KERBEROS && YP) */
|
||||
#if defined(KERBEROS) || defined(YP)
|
||||
(void)fprintf(stderr, "usage: passwd [-l] user\n");
|
||||
#else
|
||||
(void)fprintf(stderr, "usage: passwd user\n");
|
||||
#endif
|
||||
#endif /* KERBEROS && YP */
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,289 @@
|
|||
/*
|
||||
* 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
|
||||
static char sccsid[] = "@(#)nis_passwd.c 1.0 2/2/93";
|
||||
#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
|
||||
|
||||
#ifndef _PASSWORD_LEN
|
||||
#define _PASSWORD_LEN PASS_MAX
|
||||
#endif
|
||||
|
||||
extern char *progname;
|
||||
static char *getnewpasswd();
|
||||
static struct passwd *ypgetpwnam();
|
||||
|
||||
static uid_t uid;
|
||||
char *domain;
|
||||
|
||||
nis_passwd(uname)
|
||||
char *uname;
|
||||
{
|
||||
char *master;
|
||||
char *pp;
|
||||
int r, rpcport, status;
|
||||
struct yppasswd yppasswd;
|
||||
struct passwd *pw;
|
||||
struct timeval tv;
|
||||
CLIENT *client;
|
||||
|
||||
uid = getuid();
|
||||
|
||||
/*
|
||||
* Get local domain
|
||||
*/
|
||||
if (r = yp_get_default_domain(&domain)) {
|
||||
(void)fprintf(stderr, "%s: can't get local NIS domain. Reason: %s\n", progname, yperr_string(r));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the host for the passwd map; it should be running
|
||||
* the daemon.
|
||||
*/
|
||||
if ((r = yp_master(domain, "passwd.byname", &master)) != 0) {
|
||||
(void)fprintf(stderr, "%s: can't find the master NIS server. Reason: %s\n", progname, yperr_string(r));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Ask the portmapper for the port of the daemon.
|
||||
*/
|
||||
if ((rpcport = getrpcport(master, YPPASSWDPROG, YPPASSWDPROC_UPDATE, IPPROTO_UDP)) == 0) {
|
||||
(void)fprintf(stderr, "%s: master NIS server not running yppasswd daemon.\n\tCan't change password.\n", progname);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Be sure the port is priviledged
|
||||
*/
|
||||
if (rpcport >= IPPORT_RESERVED) {
|
||||
(void)fprintf(stderr, "%s: yppasswd daemon running on an invalid port.\n", progname);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Get user's login identity */
|
||||
if (!(pw = ypgetpwnam(uname))) {
|
||||
(void)fprintf(stderr, "%s: unknown user %s.\n", progname, uname);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (uid && uid != pw->pw_uid) {
|
||||
(void)fprintf(stderr, "%s: you are only allowed to change your own password: %s\n", progname, strerror(EACCES));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* prompt for new password */
|
||||
yppasswd.newpw.pw_passwd = getnewpasswd(pw, &yppasswd.oldpass);
|
||||
|
||||
/* tell rpc.yppasswdd */
|
||||
yppasswd.newpw.pw_name = pw->pw_name;
|
||||
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) {
|
||||
fprintf(stderr, "can't contact yppasswdd on %s: Reason: %s\n",
|
||||
master, yperr_string(YPERR_YPBIND));
|
||||
return(YPERR_YPBIND);
|
||||
}
|
||||
client->cl_auth = authunix_create_default();
|
||||
tv.tv_sec = 2;
|
||||
tv.tv_usec = 0;
|
||||
r = clnt_call(client, YPPASSWDPROC_UPDATE,
|
||||
xdr_yppasswd, &yppasswd, xdr_int, &status, tv);
|
||||
if (r)
|
||||
fprintf(stderr, "%s: rpc to yppasswdd failed.\n");
|
||||
else if (status)
|
||||
printf("Couldn't change NIS password.\n");
|
||||
else
|
||||
printf("The NIS password has been changed on %s, the master NIS passwd server.\n", master);
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
static char *
|
||||
getnewpasswd(pw, old_pass)
|
||||
register struct passwd *pw;
|
||||
char **old_pass;
|
||||
{
|
||||
static char buf[_PASSWORD_LEN+1];
|
||||
register char *p, *t;
|
||||
int tries;
|
||||
char salt[9], *crypt(), *getpass();
|
||||
|
||||
(void)printf("Changing NIS password for %s.\n", pw->pw_name);
|
||||
|
||||
if (uid && old_pass) {
|
||||
*old_pass = NULL;
|
||||
|
||||
if (pw->pw_passwd &&
|
||||
#ifdef DES
|
||||
strcmp(crypt(p = getpass("Old password:"), pw->pw_passwd),
|
||||
pw->pw_passwd)) {
|
||||
#else
|
||||
strcmp(p = getpass("Old password:"), pw->pw_passwd)) {
|
||||
#endif
|
||||
errno = EACCES;
|
||||
pw_error(NULL, 1, 1);
|
||||
}
|
||||
*old_pass = strdup(p);
|
||||
}
|
||||
for (buf[0] = '\0', tries = 0;;) {
|
||||
p = getpass("New password:");
|
||||
if (!*p) {
|
||||
(void)printf("Password unchanged.\n");
|
||||
pw_error(NULL, 0, 0);
|
||||
}
|
||||
if (strlen(p) <= 5 && (uid != 0 || ++tries < 2)) {
|
||||
(void)printf("Please enter a longer password.\n");
|
||||
continue;
|
||||
}
|
||||
for (t = p; *t && islower(*t); ++t);
|
||||
if (!*t && (uid != 0 || ++tries < 2)) {
|
||||
(void)printf("Please don't use an all-lower case password.\nUnusual capitalization, control characters or digits are suggested.\n");
|
||||
continue;
|
||||
}
|
||||
(void)strcpy(buf, p);
|
||||
if (!strcmp(buf, getpass("Retype new password:")))
|
||||
break;
|
||||
(void)printf("Mismatch; try again, EOF to quit.\n");
|
||||
}
|
||||
/* grab a random printable character that isn't a colon */
|
||||
(void)srandom((int)time((time_t *)NULL));
|
||||
#ifdef NEWSALT
|
||||
salt[0] = _PASSWORD_EFMT1;
|
||||
to64(&salt[1], (long)(29 * 25), 4);
|
||||
to64(&salt[5], random(), 4);
|
||||
#else
|
||||
to64(&salt[0], random(), 2);
|
||||
#endif
|
||||
#ifdef DES
|
||||
return(strdup(crypt(buf, salt)));
|
||||
#else
|
||||
return(buf);
|
||||
#endif
|
||||
}
|
||||
|
||||
static char *
|
||||
pwskip(register char *p)
|
||||
{
|
||||
while (*p && *p != ':' && *p != '\n')
|
||||
++p;
|
||||
if (*p)
|
||||
*p++ = 0;
|
||||
return (p);
|
||||
}
|
||||
|
||||
struct passwd *
|
||||
interpret(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);
|
||||
}
|
||||
|
||||
static struct passwd *
|
||||
ypgetpwnam(nam)
|
||||
char *nam;
|
||||
{
|
||||
static struct passwd pwent;
|
||||
static char line[1024];
|
||||
char *val;
|
||||
int reason, vallen;
|
||||
|
||||
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));
|
||||
}
|
||||
|
||||
#endif /* YP */
|
||||
Loading…
Reference in New Issue