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a41aa4a789
provider names. - Characters in range 0x01-0x1f except '\t', '\n', and '\r' are replaced with '?'. Those characters are disallowed in XML. - '&', '<', '>', '\'', '"' and characters in range 0x7f-0xff are replaced with XML numeric character reference. If the kern.geom.confxml sysctl provides invalid XML, libgeom geom_xml2tree() fails and utilities using it do not work. Unsafe characters are common in msdosfs and cd9660 labels. PR: kern/104389 Submitted by: Doug Steinwand (original version) Reviewed by: pjd Discussed on: freebsd-geom MFC after: 3 weeks
308 lines
8.3 KiB
C
308 lines
8.3 KiB
C
/*-
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* Copyright (c) 2002 Poul-Henning Kamp
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Poul-Henning Kamp
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* and NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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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. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/sbuf.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <machine/stdarg.h>
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#include <geom/geom.h>
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#include <geom/geom_int.h>
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static void
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g_confdot_consumer(struct sbuf *sb, struct g_consumer *cp)
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{
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sbuf_printf(sb, "z%p [label=\"r%dw%de%d\"];\n",
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cp, cp->acr, cp->acw, cp->ace);
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if (cp->provider)
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sbuf_printf(sb, "z%p -> z%p;\n", cp, cp->provider);
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}
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static void
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g_confdot_provider(struct sbuf *sb, struct g_provider *pp)
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{
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sbuf_printf(sb, "z%p [shape=hexagon,label=\"%s\\nr%dw%de%d\\nerr#%d\"];\n",
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pp, pp->name, pp->acr, pp->acw, pp->ace, pp->error);
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}
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static void
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g_confdot_geom(struct sbuf *sb, struct g_geom *gp)
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{
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struct g_consumer *cp;
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struct g_provider *pp;
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sbuf_printf(sb, "z%p [shape=box,label=\"%s\\n%s\\nr#%d\"];\n",
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gp, gp->class->name, gp->name, gp->rank);
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LIST_FOREACH(cp, &gp->consumer, consumer) {
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g_confdot_consumer(sb, cp);
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sbuf_printf(sb, "z%p -> z%p;\n", gp, cp);
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}
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LIST_FOREACH(pp, &gp->provider, provider) {
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g_confdot_provider(sb, pp);
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sbuf_printf(sb, "z%p -> z%p;\n", pp, gp);
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}
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}
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static void
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g_confdot_class(struct sbuf *sb, struct g_class *mp)
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{
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struct g_geom *gp;
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LIST_FOREACH(gp, &mp->geom, geom)
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g_confdot_geom(sb, gp);
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}
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void
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g_confdot(void *p, int flag )
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{
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struct g_class *mp;
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struct sbuf *sb;
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KASSERT(flag != EV_CANCEL, ("g_confdot was cancelled"));
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sb = p;
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g_topology_assert();
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sbuf_printf(sb, "digraph geom {\n");
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LIST_FOREACH(mp, &g_classes, class)
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g_confdot_class(sb, mp);
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sbuf_printf(sb, "};\n");
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sbuf_finish(sb);
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}
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static void
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g_conftxt_geom(struct sbuf *sb, struct g_geom *gp, int level)
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{
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struct g_provider *pp;
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struct g_consumer *cp;
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if (gp->flags & G_GEOM_WITHER)
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return;
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LIST_FOREACH(pp, &gp->provider, provider) {
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sbuf_printf(sb, "%d %s %s %ju %u", level, gp->class->name,
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pp->name, (uintmax_t)pp->mediasize, pp->sectorsize);
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if (gp->dumpconf != NULL)
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gp->dumpconf(sb, NULL, gp, NULL, pp);
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sbuf_printf(sb, "\n");
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LIST_FOREACH(cp, &pp->consumers, consumers)
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g_conftxt_geom(sb, cp->geom, level + 1);
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}
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}
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static void
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g_conftxt_class(struct sbuf *sb, struct g_class *mp)
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{
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struct g_geom *gp;
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LIST_FOREACH(gp, &mp->geom, geom)
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g_conftxt_geom(sb, gp, 0);
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}
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void
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g_conftxt(void *p, int flag)
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{
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struct g_class *mp;
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struct sbuf *sb;
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KASSERT(flag != EV_CANCEL, ("g_conftxt was cancelled"));
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sb = p;
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g_topology_assert();
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LIST_FOREACH(mp, &g_classes, class) {
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if (!strcmp(mp->name, "DISK") || !strcmp(mp->name, "MD"))
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g_conftxt_class(sb, mp);
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}
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sbuf_finish(sb);
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}
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static void
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g_conf_print_escaped(struct sbuf *sb, const char *fmt, const char *str)
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{
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struct sbuf *s;
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const u_char *c;
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s = sbuf_new_auto();
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for (c = str; *c != '\0'; c++) {
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if (*c == '&' || *c == '<' || *c == '>' ||
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*c == '\'' || *c == '"' || *c > 0x7e)
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sbuf_printf(s, "&#x%X;", *c);
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else if (*c == '\t' || *c == '\n' || *c == '\r' || *c > 0x1f)
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sbuf_putc(s, *c);
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else
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sbuf_putc(s, '?');
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}
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sbuf_finish(s);
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sbuf_printf(sb, fmt, sbuf_data(s));
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sbuf_delete(s);
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}
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static void
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g_conf_consumer(struct sbuf *sb, struct g_consumer *cp)
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{
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sbuf_printf(sb, "\t<consumer id=\"%p\">\n", cp);
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sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", cp->geom);
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if (cp->provider != NULL)
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sbuf_printf(sb, "\t <provider ref=\"%p\"/>\n", cp->provider);
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sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
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cp->acr, cp->acw, cp->ace);
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if (cp->geom->flags & G_GEOM_WITHER)
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;
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else if (cp->geom->dumpconf != NULL) {
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sbuf_printf(sb, "\t <config>\n");
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cp->geom->dumpconf(sb, "\t ", cp->geom, cp, NULL);
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sbuf_printf(sb, "\t </config>\n");
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}
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sbuf_printf(sb, "\t</consumer>\n");
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}
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static void
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g_conf_provider(struct sbuf *sb, struct g_provider *pp)
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{
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sbuf_printf(sb, "\t<provider id=\"%p\">\n", pp);
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sbuf_printf(sb, "\t <geom ref=\"%p\"/>\n", pp->geom);
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sbuf_printf(sb, "\t <mode>r%dw%de%d</mode>\n",
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pp->acr, pp->acw, pp->ace);
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g_conf_print_escaped(sb, "\t <name>%s</name>\n", pp->name);
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sbuf_printf(sb, "\t <mediasize>%jd</mediasize>\n",
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(intmax_t)pp->mediasize);
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sbuf_printf(sb, "\t <sectorsize>%u</sectorsize>\n", pp->sectorsize);
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if (pp->stripesize > 0) {
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sbuf_printf(sb, "\t <stripesize>%u</stripesize>\n", pp->stripesize);
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sbuf_printf(sb, "\t <stripeoffset>%u</stripeoffset>\n", pp->stripeoffset);
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}
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if (pp->geom->flags & G_GEOM_WITHER)
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;
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else if (pp->geom->dumpconf != NULL) {
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sbuf_printf(sb, "\t <config>\n");
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pp->geom->dumpconf(sb, "\t ", pp->geom, NULL, pp);
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sbuf_printf(sb, "\t </config>\n");
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}
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sbuf_printf(sb, "\t</provider>\n");
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}
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static void
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g_conf_geom(struct sbuf *sb, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
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{
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struct g_consumer *cp2;
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struct g_provider *pp2;
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sbuf_printf(sb, " <geom id=\"%p\">\n", gp);
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sbuf_printf(sb, " <class ref=\"%p\"/>\n", gp->class);
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g_conf_print_escaped(sb, " <name>%s</name>\n", gp->name);
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sbuf_printf(sb, " <rank>%d</rank>\n", gp->rank);
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if (gp->flags & G_GEOM_WITHER)
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sbuf_printf(sb, " <wither/>\n");
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else if (gp->dumpconf != NULL) {
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sbuf_printf(sb, " <config>\n");
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gp->dumpconf(sb, "\t", gp, NULL, NULL);
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sbuf_printf(sb, " </config>\n");
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}
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LIST_FOREACH(cp2, &gp->consumer, consumer) {
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if (cp != NULL && cp != cp2)
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continue;
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g_conf_consumer(sb, cp2);
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}
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LIST_FOREACH(pp2, &gp->provider, provider) {
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if (pp != NULL && pp != pp2)
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continue;
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g_conf_provider(sb, pp2);
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}
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sbuf_printf(sb, " </geom>\n");
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}
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static void
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g_conf_class(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
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{
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struct g_geom *gp2;
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sbuf_printf(sb, " <class id=\"%p\">\n", mp);
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g_conf_print_escaped(sb, " <name>%s</name>\n", mp->name);
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LIST_FOREACH(gp2, &mp->geom, geom) {
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if (gp != NULL && gp != gp2)
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continue;
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g_conf_geom(sb, gp2, pp, cp);
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}
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sbuf_printf(sb, " </class>\n");
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}
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void
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g_conf_specific(struct sbuf *sb, struct g_class *mp, struct g_geom *gp, struct g_provider *pp, struct g_consumer *cp)
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{
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struct g_class *mp2;
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g_topology_assert();
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sbuf_printf(sb, "<mesh>\n");
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LIST_FOREACH(mp2, &g_classes, class) {
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if (mp != NULL && mp != mp2)
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continue;
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g_conf_class(sb, mp2, gp, pp, cp);
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}
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sbuf_printf(sb, "</mesh>\n");
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sbuf_finish(sb);
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}
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void
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g_confxml(void *p, int flag)
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{
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KASSERT(flag != EV_CANCEL, ("g_confxml was cancelled"));
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g_topology_assert();
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g_conf_specific(p, NULL, NULL, NULL, NULL);
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}
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void
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g_trace(int level, const char *fmt, ...)
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{
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va_list ap;
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if (!(g_debugflags & level))
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return;
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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printf("\n");
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}
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