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79a1b8d9e2
option to pwd_mkdb and adding this option to utilities invoking it. Further, the filling of both the secure and insecure databases has been merged into one loop giving also a performance improvemnet. Note that I did *not* change the adduser command. I don't read perl (it is a write only language anyway). The change will drastically improve performance for passwd and friends with large passwd files. Vipw's performance won't change. In order to do that some kind of diff should be made between the old and new master.passwd and depending the amount of changes, an incremental or complete update of the databases should be agreed upon.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. 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 copyright[] =
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"@(#) Copyright (c) 1987, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)vipw.c 8.3 (Berkeley) 4/2/94";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "pw_util.h"
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char *tempname;
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void copyfile __P((int, int));
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void usage __P((void));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int pfd, tfd;
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struct stat begin, end;
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int ch;
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while ((ch = getopt(argc, argv, "")) != EOF)
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switch (ch) {
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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usage();
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pw_init();
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pfd = pw_lock();
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tfd = pw_tmp();
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copyfile(pfd, tfd);
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(void)close(tfd);
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for (;;) {
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if (stat(tempname, &begin))
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pw_error(tempname, 1, 1);
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pw_edit(0);
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if (stat(tempname, &end))
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pw_error(tempname, 1, 1);
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if (begin.st_mtime == end.st_mtime) {
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warnx("no changes made");
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pw_error((char *)NULL, 0, 0);
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}
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if (pw_mkdb((char *)NULL))
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break;
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pw_prompt();
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}
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exit(0);
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}
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void
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copyfile(from, to)
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int from, to;
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{
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int nr, nw, off;
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char buf[8*1024];
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while ((nr = read(from, buf, sizeof(buf))) > 0)
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for (off = 0; off < nr; nr -= nw, off += nw)
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if ((nw = write(to, buf + off, nr)) < 0)
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pw_error(tempname, 1, 1);
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if (nr < 0)
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pw_error(_PATH_MASTERPASSWD, 1, 1);
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}
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void
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usage()
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{
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(void)fprintf(stderr, "usage: vipw\n");
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exit(1);
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}
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