3a7c4a1c83
The code originate in NetBSD and there are the copyright notes have been assigned to the NetBSD Foundation. Update the files up to the point where we started diverging. Further relaxation of the licensing terms are possible after we check the NetBSD updates, and contact the local authors. In the case of ccdconfig.8 this reinstates the 3rd clause but since the code is not directly from Berkeley, the change was bogus. Obtained from: NetBSD
460 lines
11 KiB
C
460 lines
11 KiB
C
/* $NetBSD: ccdconfig.c,v 1.6 1996/05/16 07:11:18 thorpej Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 2003 Poul-Henning Kamp
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/module.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <paths.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 <libgeom.h>
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#define CCDF_UNIFORM 0x02 /* use LCCD of sizes for uniform interleave */
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#define CCDF_MIRROR 0x04 /* use mirroring */
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#define CCDF_NO_OFFSET 0x08 /* do not leave space in front */
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#define CCDF_LINUX 0x10 /* use Linux compatibility mode */
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#include "pathnames.h"
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static int lineno = 0;
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static int verbose = 0;
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static const char *ccdconf = _PATH_CCDCONF;
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static struct flagval {
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const char *fv_flag;
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int fv_val;
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} flagvaltab[] = {
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{ "CCDF_UNIFORM", CCDF_UNIFORM },
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{ "uniform", CCDF_UNIFORM },
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{ "CCDF_MIRROR", CCDF_MIRROR },
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{ "mirror", CCDF_MIRROR },
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{ "CCDF_NO_OFFSET", CCDF_NO_OFFSET },
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{ "no_offset", CCDF_NO_OFFSET },
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{ "CCDF_LINUX", CCDF_LINUX },
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{ "linux", CCDF_LINUX },
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{ "none", 0 },
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{ NULL, 0 },
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};
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#define CCD_CONFIG 0 /* configure a device */
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#define CCD_CONFIGALL 1 /* configure all devices */
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#define CCD_UNCONFIG 2 /* unconfigure a device */
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#define CCD_UNCONFIGALL 3 /* unconfigure all devices */
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#define CCD_DUMP 4 /* dump a ccd's configuration */
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static int do_single(int, char **, int);
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static int do_all(int);
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static int dump_ccd(int, char **);
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static int flags_to_val(char *);
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static int resolve_ccdname(char *);
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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int ch, options = 0, action = CCD_CONFIG;
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while ((ch = getopt(argc, argv, "cCf:guUv")) != -1) {
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switch (ch) {
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case 'c':
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action = CCD_CONFIG;
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++options;
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break;
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case 'C':
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action = CCD_CONFIGALL;
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++options;
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break;
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case 'f':
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ccdconf = optarg;
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break;
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case 'g':
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action = CCD_DUMP;
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break;
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case 'u':
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action = CCD_UNCONFIG;
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++options;
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break;
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case 'U':
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action = CCD_UNCONFIGALL;
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++options;
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break;
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case 'v':
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verbose = 1;
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (options > 1)
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usage();
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if (modfind("g_ccd") < 0) {
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/* Not present in kernel, try loading it */
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if (kldload("geom_ccd") < 0 || modfind("g_ccd") < 0)
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warn("geom_ccd module not available!");
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}
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switch (action) {
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case CCD_CONFIG:
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case CCD_UNCONFIG:
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exit(do_single(argc, argv, action));
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/* NOTREACHED */
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case CCD_CONFIGALL:
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case CCD_UNCONFIGALL:
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exit(do_all(action));
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/* NOTREACHED */
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case CCD_DUMP:
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exit(dump_ccd(argc, argv));
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/* NOTREACHED */
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}
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/* NOTREACHED */
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return (0);
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}
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static int
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do_single(int argc, char **argv, int action)
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{
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char *cp, *cp2;
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int ccd, noflags = 0, i, ileave, flags = 0;
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struct gctl_req *grq;
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char const *errstr;
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char buf1[BUFSIZ];
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int ex;
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/*
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* If unconfiguring, all arguments are treated as ccds.
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*/
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if (action == CCD_UNCONFIG || action == CCD_UNCONFIGALL) {
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ex = 0;
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for (; argc != 0;) {
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cp = *argv++; --argc;
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if ((ccd = resolve_ccdname(cp)) < 0) {
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warnx("invalid ccd name: %s", cp);
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continue;
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}
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grq = gctl_get_handle();
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gctl_ro_param(grq, "verb", -1, "destroy geom");
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gctl_ro_param(grq, "class", -1, "CCD");
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sprintf(buf1, "ccd%d", ccd);
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gctl_ro_param(grq, "geom", -1, buf1);
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errstr = gctl_issue(grq);
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if (errstr == NULL) {
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if (verbose)
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printf("%s unconfigured\n", cp);
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gctl_free(grq);
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continue;
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}
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warnx(
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"%s\nor possibly kernel and ccdconfig out of sync",
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errstr);
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ex = 1;
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}
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return (ex);
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}
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/* Make sure there are enough arguments. */
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if (argc < 4) {
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if (argc == 3) {
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/* Assume that no flags are specified. */
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noflags = 1;
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} else {
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if (action == CCD_CONFIGALL) {
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warnx("%s: bad line: %d", ccdconf, lineno);
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return (1);
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} else
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usage();
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}
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}
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/* First argument is the ccd to configure. */
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cp = *argv++; --argc;
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if ((ccd = resolve_ccdname(cp)) < 0) {
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warnx("invalid ccd name: %s", cp);
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return (1);
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}
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/* Next argument is the interleave factor. */
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cp = *argv++; --argc;
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errno = 0; /* to check for ERANGE */
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ileave = (int)strtol(cp, &cp2, 10);
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if ((errno == ERANGE) || (ileave < 0) || (*cp2 != '\0')) {
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warnx("invalid interleave factor: %s", cp);
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return (1);
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}
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if (noflags == 0) {
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/* Next argument is the ccd configuration flags. */
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cp = *argv++; --argc;
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if ((flags = flags_to_val(cp)) < 0) {
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warnx("invalid flags argument: %s", cp);
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return (1);
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}
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}
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grq = gctl_get_handle();
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gctl_ro_param(grq, "verb", -1, "create geom");
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gctl_ro_param(grq, "class", -1, "CCD");
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gctl_ro_param(grq, "unit", sizeof(ccd), &ccd);
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gctl_ro_param(grq, "ileave", sizeof(ileave), &ileave);
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if (flags & CCDF_UNIFORM)
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gctl_ro_param(grq, "uniform", -1, "");
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if (flags & CCDF_MIRROR)
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gctl_ro_param(grq, "mirror", -1, "");
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if (flags & CCDF_NO_OFFSET)
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gctl_ro_param(grq, "no_offset", -1, "");
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if (flags & CCDF_LINUX)
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gctl_ro_param(grq, "linux", -1, "");
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gctl_ro_param(grq, "nprovider", sizeof(argc), &argc);
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for (i = 0; i < argc; i++) {
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sprintf(buf1, "provider%d", i);
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cp = argv[i];
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if (!strncmp(cp, _PATH_DEV, strlen(_PATH_DEV)))
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cp += strlen(_PATH_DEV);
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gctl_ro_param(grq, buf1, -1, cp);
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}
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gctl_rw_param(grq, "output", sizeof(buf1), buf1);
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errstr = gctl_issue(grq);
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if (errstr == NULL) {
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if (verbose) {
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printf("%s", buf1);
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}
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gctl_free(grq);
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return (0);
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}
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warnx(
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"%s\nor possibly kernel and ccdconfig out of sync",
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errstr);
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return (1);
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}
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static int
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do_all(int action)
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{
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FILE *f;
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char line[_POSIX2_LINE_MAX];
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char *cp, **argv;
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int argc, rval;
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gid_t egid;
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rval = 0;
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egid = getegid();
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if (setegid(getgid()) != 0)
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err(1, "setegid failed");
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if ((f = fopen(ccdconf, "r")) == NULL) {
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if (setegid(egid) != 0)
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err(1, "setegid failed");
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warn("fopen: %s", ccdconf);
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return (1);
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}
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if (setegid(egid) != 0)
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err(1, "setegid failed");
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while (fgets(line, sizeof(line), f) != NULL) {
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argc = 0;
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argv = NULL;
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++lineno;
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if ((cp = strrchr(line, '\n')) != NULL)
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*cp = '\0';
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/* Break up the line and pass it's contents to do_single(). */
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if (line[0] == '\0')
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goto end_of_line;
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for (cp = line; (cp = strtok(cp, " \t")) != NULL; cp = NULL) {
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if (*cp == '#')
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break;
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if ((argv = realloc(argv,
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sizeof(char *) * ++argc)) == NULL) {
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warnx("no memory to configure ccds");
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return (1);
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}
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argv[argc - 1] = cp;
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/*
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* If our action is to unconfigure all, then pass
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* just the first token to do_single() and ignore
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* the rest. Since this will be encountered on
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* our first pass through the line, the Right
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* Thing will happen.
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*/
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if (action == CCD_UNCONFIGALL) {
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if (do_single(argc, argv, action))
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rval = 1;
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goto end_of_line;
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}
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}
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if (argc != 0)
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if (do_single(argc, argv, action))
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rval = 1;
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end_of_line:
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if (argv != NULL)
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free(argv);
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}
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(void)fclose(f);
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return (rval);
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}
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static int
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resolve_ccdname(char *name)
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{
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if (!strncmp(name, _PATH_DEV, strlen(_PATH_DEV)))
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name += strlen(_PATH_DEV);
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if (strncmp(name, "ccd", 3))
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return -1;
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name += 3;
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if (!isdigit(*name))
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return -1;
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return (strtoul(name, NULL, 10));
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}
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static int
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dumpout(int unit)
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{
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static int v;
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struct gctl_req *grq;
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int ncp;
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char *cp;
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char const *errstr;
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grq = gctl_get_handle();
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ncp = 65536;
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cp = malloc(ncp);
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gctl_ro_param(grq, "verb", -1, "list");
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gctl_ro_param(grq, "class", -1, "CCD");
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gctl_ro_param(grq, "unit", sizeof(unit), &unit);
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gctl_rw_param(grq, "output", ncp, cp);
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errstr = gctl_issue(grq);
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if (errstr != NULL)
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errx(1, "%s\nor possibly kernel and ccdconfig out of sync",
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errstr);
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if (strlen(cp) == 0)
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errx(1, "ccd%d not configured", unit);
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if (verbose && !v) {
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printf("# ccd\t\tileave\tflags\tcomponent devices\n");
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v = 1;
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}
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printf("%s", cp);
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free(cp);
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return (0);
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}
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static int
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dump_ccd(int argc, char **argv)
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{
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int i, error;
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if (argc == 0) {
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error = dumpout(-1);
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} else {
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error = 0;
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for (i = 0; error == 0 && i < argc; i++)
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error = dumpout(resolve_ccdname(argv[i]));
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}
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return (error);
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}
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static int
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flags_to_val(char *flags)
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{
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char *cp, *tok;
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int i, tmp, val;
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errno = 0; /* to check for ERANGE */
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val = (int)strtol(flags, &cp, 0);
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if ((errno != ERANGE) && (*cp == '\0')) {
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if (val & ~(CCDF_UNIFORM|CCDF_MIRROR))
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return (-1);
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return (val);
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}
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/* Check for values represented by strings. */
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if ((cp = strdup(flags)) == NULL)
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err(1, "no memory to parse flags");
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tmp = 0;
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for (tok = cp; (tok = strtok(tok, ",")) != NULL; tok = NULL) {
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for (i = 0; flagvaltab[i].fv_flag != NULL; ++i)
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if (strcmp(tok, flagvaltab[i].fv_flag) == 0)
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break;
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if (flagvaltab[i].fv_flag == NULL) {
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free(cp);
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return (-1);
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}
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tmp |= flagvaltab[i].fv_val;
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}
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/* If we get here, the string was ok. */
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free(cp);
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return (tmp);
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}
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static void
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usage(void)
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{
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fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
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"usage: ccdconfig [-cv] ccd ileave [flags] dev ...",
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" ccdconfig -C [-v] [-f config_file]",
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" ccdconfig -u [-v] ccd ...",
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" ccdconfig -U [-v] [-f config_file]",
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" ccdconfig -g [ccd ...]");
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exit(1);
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}
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