1/*- 2 * Copyright (c) 2002 Poul-Henning Kamp 3 * Copyright (c) 2002 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp 7 * and NAI Labs, the Security Research Division of Network Associates, Inc. 8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * |
35 * $FreeBSD: head/sys/geom/geom_mbr.c 94287 2002-04-09 15:43:32Z phk $ |
36 */ 37 38#include <sys/param.h> 39#ifndef _KERNEL 40#include <stdio.h> 41#include <string.h> 42#include <signal.h> 43#include <sys/param.h> --- 120 unchanged lines hidden (view full) --- 164} 165 166static struct g_geom * 167g_mbr_taste(struct g_class *mp, struct g_provider *pp, int insist) 168{ 169 struct g_geom *gp; 170 struct g_consumer *cp; 171 struct g_provider *pp2; |
172 int error, i, npart; |
173 struct dos_partition dp[NDOSPART]; 174 struct g_mbr_softc *ms; |
175 struct g_slicer *gsp; 176 u_int fwsectors, sectorsize; |
177 u_char *buf; 178 |
179 g_trace(G_T_TOPOLOGY, "mbr_taste(%s,%s)", mp->name, pp->name); 180 g_topology_assert(); 181 gp = g_slice_new(mp, NDOSPART, pp, &cp, &ms, sizeof *ms, g_mbr_start); 182 if (gp == NULL) 183 return (NULL); |
184 gsp = gp->softc; |
185 g_topology_unlock(); 186 gp->dumpconf = g_mbr_dumpconf; 187 npart = 0; 188 while (1) { /* a trick to allow us to use break */ 189 if (gp->rank != 2 && insist == 0) 190 break; |
191 error = g_getattr("GEOM::fwsectors", cp, &fwsectors); 192 if (error) 193 fwsectors = 17; 194 error = g_getattr("GEOM::sectorsize", cp, §orsize); 195 if (error) |
196 break; |
197 if (!error && sectorsize != 512) 198 break; 199 gsp->frontstuff = sectorsize * fwsectors; 200 buf = g_read_data(cp, 0, sectorsize, &error); |
201 if (buf == NULL || error != 0) 202 break; 203 if (buf[0x1fe] != 0x55 && buf[0x1ff] != 0xaa) { 204 g_free(buf); 205 break; 206 } 207 for (i = 0; i < NDOSPART; i++) 208 g_dec_dos_partition( --- 95 unchanged lines hidden (view full) --- 304} 305 306static struct g_geom * 307g_mbrext_taste(struct g_class *mp, struct g_provider *pp, int insist __unused) 308{ 309 struct g_geom *gp; 310 struct g_consumer *cp; 311 struct g_provider *pp2; |
312 int error, i, slice; |
313 struct g_mbrext_softc *ms; 314 off_t off; 315 u_char *buf; 316 struct dos_partition dp[4]; |
317 u_int fwsectors, sectorsize; 318 struct g_slicer *gsp; |
319 320 g_trace(G_T_TOPOLOGY, "g_mbrext_taste(%s,%s)", mp->name, pp->name); 321 g_topology_assert(); 322 if (strcmp(pp->geom->class->name, MBR_CLASS_NAME)) 323 return (NULL); 324 gp = g_slice_new(mp, NDOSEXTPART, pp, &cp, &ms, sizeof *ms, g_mbrext_start); 325 if (gp == NULL) 326 return (NULL); |
327 gsp = gp->softc; |
328 g_topology_unlock(); 329 gp->dumpconf = g_mbrext_dumpconf; 330 off = 0; 331 slice = 0; 332 while (1) { /* a trick to allow us to use break */ |
333 error = g_getattr("MBR::type", cp, &i); |
334 if (error || i != DOSPTYP_EXT) 335 break; |
336 error = g_getattr("GEOM::fwsectors", cp, &fwsectors); 337 if (error) 338 fwsectors = 17; 339 error = g_getattr("GEOM::sectorsize", cp, §orsize); 340 if (error) 341 break; 342 if (!error && sectorsize != 512) 343 break; 344 gsp->frontstuff = sectorsize * fwsectors; |
345 for (;;) { |
346 buf = g_read_data(cp, off, sectorsize, &error); |
347 if (buf == NULL || error != 0) 348 break; 349 if (buf[0x1fe] != 0x55 && buf[0x1ff] != 0xaa) 350 break; 351 for (i = 0; i < NDOSPART; i++) 352 g_dec_dos_partition( 353 buf + DOSPARTOFF + i * sizeof(struct dos_partition), 354 dp + i); --- 46 unchanged lines hidden --- |