diff options
Diffstat (limited to 'usr.sbin/vipw/vipw.c')
| -rw-r--r-- | usr.sbin/vipw/vipw.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/usr.sbin/vipw/vipw.c b/usr.sbin/vipw/vipw.c new file mode 100644 index 00000000000..85fc0412eae --- /dev/null +++ b/usr.sbin/vipw/vipw.c @@ -0,0 +1,129 @@ +/* $NetBSD: vipw.c,v 1.3 1995/01/20 19:19:57 mycroft Exp $ */ + +/* + * Copyright (c) 1987, 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 char copyright[] = +"@(#) Copyright (c) 1987, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ + +#include <sys/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <pwd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "pw_util.h" + +char *tempname; + +void copyfile __P((int, int)); +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int pfd, tfd; + struct stat begin, end; + int ch; + + while ((ch = getopt(argc, argv, "")) != EOF) { + switch (ch) { + case '?': + default: + usage(); + } + } + argc -= optind; + argv += optind; + + if (argc != 0) + usage(); + + pw_init(); + pfd = pw_lock(); + tfd = pw_tmp(); + copyfile(pfd, tfd); + (void)close(tfd); + + for (;;) { + if (stat(tempname, &begin)) + pw_error(tempname, 1, 1); + pw_edit(0); + if (stat(tempname, &end)) + pw_error(tempname, 1, 1); + if (begin.st_mtime == end.st_mtime) { + warnx("no changes made"); + pw_error((char *)NULL, 0, 0); + } + if (pw_mkdb()) + break; + pw_prompt(); + } + exit(0); +} + +void +copyfile(from, to) + int from, to; +{ + int nr, nw, off; + char buf[8*1024]; + + while ((nr = read(from, buf, sizeof(buf))) > 0) + for (off = 0; off < nr; nr -= nw, off += nw) + if ((nw = write(to, buf + off, nr)) < 0) + pw_error(tempname, 1, 1); + if (nr < 0) + pw_error(_PATH_MASTERPASSWD, 1, 1); +} + +void +usage() +{ + + (void)fprintf(stderr, "usage: vipw\n"); + exit(1); +} |