freebsd-dev/tools/regression/geom/geom_simdisk_xml.c
Poul-Henning Kamp 469113b2d7 expat2 changed the name of their include file to expat.h
Sponsored by:	DARPA & NAI Labs.
2002-09-06 08:44:15 +00:00

245 lines
7.0 KiB
C

/*-
* Copyright (c) 2002 Poul-Henning Kamp
* Copyright (c) 2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by Poul-Henning Kamp
* and NAI Labs, the Security Research Division of Network Associates, Inc.
* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
* DARPA CHATS research program.
*
* 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. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <strings.h>
#include <err.h>
#include <md5.h>
#include <sys/errno.h>
#include <geom/geom.h>
#include <string.h>
#include <ctype.h>
#include "expat.h"
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/queue.h>
#include <sys/sbuf.h>
#include "geom_simdisk.h"
void
g_simdisk_xml_save(char *name, char *file)
{
struct g_geom *gp;
struct simdisk_softc *sc;
struct sector *dsp;
int i, j;
FILE *f;
u_char *p;
LIST_FOREACH(gp, &g_simdisk_class.geom, geom) {
if (strcmp(name, gp->name))
continue;
sc = gp->softc;
f = fopen(file, "w");
if (f == NULL)
err(1, file);
fprintf(f, "<?xml version=\"1.0\"?>\n");
fprintf(f, "<DISKIMAGE>\n");
#if 0
{
struct sbuf *sb;
sb = g_conf_specific(&g_simdisk_class, gp, NULL, NULL);
fprintf(f, " <config>%s</config>\n", sbuf_data(sb));
}
#endif
fprintf(f, " <sectorsize>%u</sectorsize>\n", sc->sectorsize);
fprintf(f, " <mediasize>%llu</mediasize>\n", sc->mediasize);
fprintf(f, " <fwsectors>%u</fwsectors>\n", sc->fwsectors);
fprintf(f, " <fwheads>%u</fwheads>\n", sc->fwheads);
fprintf(f, " <fwcylinders>%u</fwcylinders>\n", sc->fwcylinders);
LIST_FOREACH(dsp, &sc->sectors, sectors) {
fprintf(f, " <sector>\n");
fprintf(f, " <offset>%llu</offset>\n", dsp->offset);
fprintf(f, " <hexdata>\n");
p = dsp->data;
for (j = 0 ; j < sc->sectorsize; j += 32) {
fprintf(f, "\t");
for (i = 0; i < 32; i++)
fprintf(f, "%02x", *p++);
fprintf(f, "\n");
}
fprintf(f, " </hexdata>\n");
fprintf(f, " </sector>\n");
}
fprintf(f, "</DISKIMAGE>\n");
fclose(f);
}
}
static void
startElement(void *userData, const char *name, const char **atts __unused)
{
struct simdisk_softc *sc;
sc = userData;
if (!strcasecmp(name, "sector")) {
sc->sp = calloc(1, sizeof(*sc->sp) + sc->sectorsize);
sc->sp->data = (u_char *)(sc->sp + 1);
}
sbuf_clear(sc->sbuf);
}
static void
endElement(void *userData, const char *name)
{
struct simdisk_softc *sc;
char *p;
u_char *q;
int i, j;
off_t o;
sc = userData;
if (!strcasecmp(name, "comment")) {
sbuf_clear(sc->sbuf);
return;
}
sbuf_finish(sc->sbuf);
if (!strcasecmp(name, "sectorsize")) {
sc->sectorsize = strtoul(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on sectorsize");
} else if (!strcasecmp(name, "mediasize")) {
o = strtoull(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on mediasize");
if (o > 0)
sc->mediasize = o;
} else if (!strcasecmp(name, "fwsectors")) {
sc->fwsectors = strtoul(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on fwsectors");
} else if (!strcasecmp(name, "fwheads")) {
sc->fwheads = strtoul(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on fwheads");
} else if (!strcasecmp(name, "fwcylinders")) {
sc->fwcylinders = strtoul(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on fwcylinders");
} else if (!strcasecmp(name, "offset")) {
sc->sp->offset= strtoull(sbuf_data(sc->sbuf), &p, 0);
if (*p != '\0')
errx(1, "strtoul croaked on offset");
} else if (!strcasecmp(name, "fill")) {
j = strtoul(sbuf_data(sc->sbuf), NULL, 16);
memset(sc->sp->data, j, sc->sectorsize);
} else if (!strcasecmp(name, "hexdata")) {
q = sc->sp->data;
p = sbuf_data(sc->sbuf);
for (i = 0; i < sc->sectorsize; i++) {
if (!isxdigit(*p))
errx(1, "I croaked on hexdata %d:(%02x)", i, *p);
if (isdigit(*p))
j = (*p - '0') << 4;
else
j = (tolower(*p) - 'a' + 10) << 4;
p++;
if (!isxdigit(*p))
errx(1, "I croaked on hexdata %d:(%02x)", i, *p);
if (isdigit(*p))
j |= *p - '0';
else
j |= tolower(*p) - 'a' + 10;
p++;
*q++ = j;
}
} else if (!strcasecmp(name, "sector")) {
g_simdisk_insertsector(sc, sc->sp);
sc->sp = NULL;
} else if (!strcasecmp(name, "diskimage")) {
} else if (!strcasecmp(name, "FreeBSD")) {
} else {
printf("<%s>[[%s]]\n", name, sbuf_data(sc->sbuf));
}
sbuf_clear(sc->sbuf);
}
static void
characterData(void *userData, const XML_Char *s, int len)
{
const char *b, *e;
struct simdisk_softc *sc;
sc = userData;
b = s;
e = s + len - 1;
while (isspace(*b) && b < e)
b++;
while (isspace(*e) && e > b)
e--;
if (e != b || !isspace(*b))
sbuf_bcat(sc->sbuf, b, e - b + 1);
}
struct g_geom *
g_simdisk_xml_load(char *name, char *file)
{
XML_Parser parser = XML_ParserCreate(NULL);
struct stat st;
char *p;
struct simdisk_softc *sc;
int fd, i;
sc = calloc(1, sizeof *sc);
sc->fd = -1;
sc->sbuf = sbuf_new(NULL, NULL, 0, SBUF_AUTOEXTEND);
sc->mediasize = 1024 * 1024 * 1024 * (off_t)1024;
LIST_INIT(&sc->sectors);
TAILQ_INIT(&sc->sort);
XML_SetUserData(parser, sc);
XML_SetElementHandler(parser, startElement, endElement);
XML_SetCharacterDataHandler(parser, characterData);
fd = open(file, O_RDONLY);
if (fd < 0)
err(1, file);
fstat(fd, &st);
p = mmap(NULL, st.st_size, PROT_READ, MAP_NOCORE|MAP_PRIVATE, fd, 0);
i = XML_Parse(parser, p, st.st_size, 1);
if (i != 1)
errx(1, "XML_Parse complains: return %d", i);
munmap(p, st.st_size);
close(fd);
XML_ParserFree(parser);
return (g_simdisk_create(name, sc));
}